Commit | Line | Data |
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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
d4379acd | 4 | * Copyright (C) 2004-2012 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e | 8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e | 20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/blkdev.h> |
23 | #include <linux/delay.h> | |
24 | #include <linux/dma-mapping.h> | |
25 | #include <linux/idr.h> | |
26 | #include <linux/interrupt.h> | |
acf3368f | 27 | #include <linux/module.h> |
dea3101e | 28 | #include <linux/kthread.h> |
29 | #include <linux/pci.h> | |
30 | #include <linux/spinlock.h> | |
92d7f7b0 | 31 | #include <linux/ctype.h> |
0d878419 | 32 | #include <linux/aer.h> |
5a0e3ad6 | 33 | #include <linux/slab.h> |
52d52440 | 34 | #include <linux/firmware.h> |
3ef6d24c | 35 | #include <linux/miscdevice.h> |
dea3101e | 36 | |
91886523 | 37 | #include <scsi/scsi.h> |
dea3101e | 38 | #include <scsi/scsi_device.h> |
39 | #include <scsi/scsi_host.h> | |
40 | #include <scsi/scsi_transport_fc.h> | |
41 | ||
da0436e9 | 42 | #include "lpfc_hw4.h" |
dea3101e | 43 | #include "lpfc_hw.h" |
44 | #include "lpfc_sli.h" | |
da0436e9 | 45 | #include "lpfc_sli4.h" |
ea2151b4 | 46 | #include "lpfc_nl.h" |
dea3101e | 47 | #include "lpfc_disc.h" |
48 | #include "lpfc_scsi.h" | |
49 | #include "lpfc.h" | |
50 | #include "lpfc_logmsg.h" | |
51 | #include "lpfc_crtn.h" | |
92d7f7b0 | 52 | #include "lpfc_vport.h" |
dea3101e | 53 | #include "lpfc_version.h" |
54 | ||
81301a9b JS |
55 | char *_dump_buf_data; |
56 | unsigned long _dump_buf_data_order; | |
57 | char *_dump_buf_dif; | |
58 | unsigned long _dump_buf_dif_order; | |
59 | spinlock_t _dump_buf_lock; | |
60 | ||
dea3101e | 61 | static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); |
62 | static int lpfc_post_rcv_buf(struct lpfc_hba *); | |
5350d872 | 63 | static int lpfc_sli4_queue_verify(struct lpfc_hba *); |
da0436e9 JS |
64 | static int lpfc_create_bootstrap_mbox(struct lpfc_hba *); |
65 | static int lpfc_setup_endian_order(struct lpfc_hba *); | |
da0436e9 | 66 | static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *); |
8a9d2e80 JS |
67 | static void lpfc_free_els_sgl_list(struct lpfc_hba *); |
68 | static void lpfc_init_sgl_list(struct lpfc_hba *); | |
da0436e9 JS |
69 | static int lpfc_init_active_sgl_array(struct lpfc_hba *); |
70 | static void lpfc_free_active_sgl(struct lpfc_hba *); | |
71 | static int lpfc_hba_down_post_s3(struct lpfc_hba *phba); | |
72 | static int lpfc_hba_down_post_s4(struct lpfc_hba *phba); | |
73 | static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *); | |
74 | static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *); | |
75 | static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *); | |
618a5230 JS |
76 | static void lpfc_sli4_disable_intr(struct lpfc_hba *); |
77 | static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba *, uint32_t); | |
dea3101e | 78 | |
79 | static struct scsi_transport_template *lpfc_transport_template = NULL; | |
92d7f7b0 | 80 | static struct scsi_transport_template *lpfc_vport_transport_template = NULL; |
dea3101e | 81 | static DEFINE_IDR(lpfc_hba_index); |
82 | ||
e59058c4 | 83 | /** |
3621a710 | 84 | * lpfc_config_port_prep - Perform lpfc initialization prior to config port |
e59058c4 JS |
85 | * @phba: pointer to lpfc hba data structure. |
86 | * | |
87 | * This routine will do LPFC initialization prior to issuing the CONFIG_PORT | |
88 | * mailbox command. It retrieves the revision information from the HBA and | |
89 | * collects the Vital Product Data (VPD) about the HBA for preparing the | |
90 | * configuration of the HBA. | |
91 | * | |
92 | * Return codes: | |
93 | * 0 - success. | |
94 | * -ERESTART - requests the SLI layer to reset the HBA and try again. | |
95 | * Any other value - indicates an error. | |
96 | **/ | |
dea3101e | 97 | int |
2e0fef85 | 98 | lpfc_config_port_prep(struct lpfc_hba *phba) |
dea3101e | 99 | { |
100 | lpfc_vpd_t *vp = &phba->vpd; | |
101 | int i = 0, rc; | |
102 | LPFC_MBOXQ_t *pmb; | |
103 | MAILBOX_t *mb; | |
104 | char *lpfc_vpd_data = NULL; | |
105 | uint16_t offset = 0; | |
106 | static char licensed[56] = | |
107 | "key unlock for use with gnu public licensed code only\0"; | |
65a29c16 | 108 | static int init_key = 1; |
dea3101e | 109 | |
110 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
111 | if (!pmb) { | |
2e0fef85 | 112 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 113 | return -ENOMEM; |
114 | } | |
115 | ||
04c68496 | 116 | mb = &pmb->u.mb; |
2e0fef85 | 117 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e | 118 | |
119 | if (lpfc_is_LC_HBA(phba->pcidev->device)) { | |
65a29c16 JS |
120 | if (init_key) { |
121 | uint32_t *ptext = (uint32_t *) licensed; | |
dea3101e | 122 | |
65a29c16 JS |
123 | for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) |
124 | *ptext = cpu_to_be32(*ptext); | |
125 | init_key = 0; | |
126 | } | |
dea3101e | 127 | |
128 | lpfc_read_nv(phba, pmb); | |
129 | memset((char*)mb->un.varRDnvp.rsvd3, 0, | |
130 | sizeof (mb->un.varRDnvp.rsvd3)); | |
131 | memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, | |
132 | sizeof (licensed)); | |
133 | ||
134 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
135 | ||
136 | if (rc != MBX_SUCCESS) { | |
ed957684 | 137 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
e8b62011 | 138 | "0324 Config Port initialization " |
dea3101e | 139 | "error, mbxCmd x%x READ_NVPARM, " |
140 | "mbxStatus x%x\n", | |
dea3101e | 141 | mb->mbxCommand, mb->mbxStatus); |
142 | mempool_free(pmb, phba->mbox_mem_pool); | |
143 | return -ERESTART; | |
144 | } | |
145 | memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, | |
2e0fef85 JS |
146 | sizeof(phba->wwnn)); |
147 | memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname, | |
148 | sizeof(phba->wwpn)); | |
dea3101e | 149 | } |
150 | ||
92d7f7b0 JS |
151 | phba->sli3_options = 0x0; |
152 | ||
dea3101e | 153 | /* Setup and issue mailbox READ REV command */ |
154 | lpfc_read_rev(phba, pmb); | |
155 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
156 | if (rc != MBX_SUCCESS) { | |
ed957684 | 157 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 158 | "0439 Adapter failed to init, mbxCmd x%x " |
dea3101e | 159 | "READ_REV, mbxStatus x%x\n", |
dea3101e | 160 | mb->mbxCommand, mb->mbxStatus); |
161 | mempool_free( pmb, phba->mbox_mem_pool); | |
162 | return -ERESTART; | |
163 | } | |
164 | ||
92d7f7b0 | 165 | |
1de933f3 JSEC |
166 | /* |
167 | * The value of rr must be 1 since the driver set the cv field to 1. | |
168 | * This setting requires the FW to set all revision fields. | |
dea3101e | 169 | */ |
1de933f3 | 170 | if (mb->un.varRdRev.rr == 0) { |
dea3101e | 171 | vp->rev.rBit = 0; |
1de933f3 | 172 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 JS |
173 | "0440 Adapter failed to init, READ_REV has " |
174 | "missing revision information.\n"); | |
dea3101e | 175 | mempool_free(pmb, phba->mbox_mem_pool); |
176 | return -ERESTART; | |
dea3101e | 177 | } |
178 | ||
495a714c JS |
179 | if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) { |
180 | mempool_free(pmb, phba->mbox_mem_pool); | |
ed957684 | 181 | return -EINVAL; |
495a714c | 182 | } |
ed957684 | 183 | |
dea3101e | 184 | /* Save information as VPD data */ |
1de933f3 | 185 | vp->rev.rBit = 1; |
92d7f7b0 | 186 | memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t)); |
1de933f3 JSEC |
187 | vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; |
188 | memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); | |
189 | vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; | |
190 | memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); | |
dea3101e | 191 | vp->rev.biuRev = mb->un.varRdRev.biuRev; |
192 | vp->rev.smRev = mb->un.varRdRev.smRev; | |
193 | vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; | |
194 | vp->rev.endecRev = mb->un.varRdRev.endecRev; | |
195 | vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; | |
196 | vp->rev.fcphLow = mb->un.varRdRev.fcphLow; | |
197 | vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; | |
198 | vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; | |
199 | vp->rev.postKernRev = mb->un.varRdRev.postKernRev; | |
200 | vp->rev.opFwRev = mb->un.varRdRev.opFwRev; | |
201 | ||
92d7f7b0 JS |
202 | /* If the sli feature level is less then 9, we must |
203 | * tear down all RPIs and VPIs on link down if NPIV | |
204 | * is enabled. | |
205 | */ | |
206 | if (vp->rev.feaLevelHigh < 9) | |
207 | phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN; | |
208 | ||
dea3101e | 209 | if (lpfc_is_LC_HBA(phba->pcidev->device)) |
210 | memcpy(phba->RandomData, (char *)&mb->un.varWords[24], | |
211 | sizeof (phba->RandomData)); | |
212 | ||
dea3101e | 213 | /* Get adapter VPD information */ |
dea3101e | 214 | lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); |
215 | if (!lpfc_vpd_data) | |
d7c255b2 | 216 | goto out_free_mbox; |
dea3101e | 217 | do { |
a0c87cbd | 218 | lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD); |
dea3101e | 219 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
220 | ||
221 | if (rc != MBX_SUCCESS) { | |
222 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 | 223 | "0441 VPD not present on adapter, " |
dea3101e | 224 | "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", |
dea3101e | 225 | mb->mbxCommand, mb->mbxStatus); |
74b72a59 | 226 | mb->un.varDmp.word_cnt = 0; |
dea3101e | 227 | } |
04c68496 JS |
228 | /* dump mem may return a zero when finished or we got a |
229 | * mailbox error, either way we are done. | |
230 | */ | |
231 | if (mb->un.varDmp.word_cnt == 0) | |
232 | break; | |
74b72a59 JW |
233 | if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) |
234 | mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; | |
d7c255b2 JS |
235 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, |
236 | lpfc_vpd_data + offset, | |
92d7f7b0 | 237 | mb->un.varDmp.word_cnt); |
dea3101e | 238 | offset += mb->un.varDmp.word_cnt; |
74b72a59 JW |
239 | } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); |
240 | lpfc_parse_vpd(phba, lpfc_vpd_data, offset); | |
dea3101e | 241 | |
242 | kfree(lpfc_vpd_data); | |
dea3101e | 243 | out_free_mbox: |
244 | mempool_free(pmb, phba->mbox_mem_pool); | |
245 | return 0; | |
246 | } | |
247 | ||
e59058c4 | 248 | /** |
3621a710 | 249 | * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd |
e59058c4 JS |
250 | * @phba: pointer to lpfc hba data structure. |
251 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
252 | * | |
253 | * This is the completion handler for driver's configuring asynchronous event | |
254 | * mailbox command to the device. If the mailbox command returns successfully, | |
255 | * it will set internal async event support flag to 1; otherwise, it will | |
256 | * set internal async event support flag to 0. | |
257 | **/ | |
57127f15 JS |
258 | static void |
259 | lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
260 | { | |
04c68496 | 261 | if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS) |
57127f15 JS |
262 | phba->temp_sensor_support = 1; |
263 | else | |
264 | phba->temp_sensor_support = 0; | |
265 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
266 | return; | |
267 | } | |
268 | ||
97207482 | 269 | /** |
3621a710 | 270 | * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler |
97207482 JS |
271 | * @phba: pointer to lpfc hba data structure. |
272 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
273 | * | |
274 | * This is the completion handler for dump mailbox command for getting | |
275 | * wake up parameters. When this command complete, the response contain | |
276 | * Option rom version of the HBA. This function translate the version number | |
277 | * into a human readable string and store it in OptionROMVersion. | |
278 | **/ | |
279 | static void | |
280 | lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) | |
281 | { | |
282 | struct prog_id *prg; | |
283 | uint32_t prog_id_word; | |
284 | char dist = ' '; | |
285 | /* character array used for decoding dist type. */ | |
286 | char dist_char[] = "nabx"; | |
287 | ||
04c68496 | 288 | if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) { |
9f1e1b50 | 289 | mempool_free(pmboxq, phba->mbox_mem_pool); |
97207482 | 290 | return; |
9f1e1b50 | 291 | } |
97207482 JS |
292 | |
293 | prg = (struct prog_id *) &prog_id_word; | |
294 | ||
295 | /* word 7 contain option rom version */ | |
04c68496 | 296 | prog_id_word = pmboxq->u.mb.un.varWords[7]; |
97207482 JS |
297 | |
298 | /* Decode the Option rom version word to a readable string */ | |
299 | if (prg->dist < 4) | |
300 | dist = dist_char[prg->dist]; | |
301 | ||
302 | if ((prg->dist == 3) && (prg->num == 0)) | |
303 | sprintf(phba->OptionROMVersion, "%d.%d%d", | |
304 | prg->ver, prg->rev, prg->lev); | |
305 | else | |
306 | sprintf(phba->OptionROMVersion, "%d.%d%d%c%d", | |
307 | prg->ver, prg->rev, prg->lev, | |
308 | dist, prg->num); | |
9f1e1b50 | 309 | mempool_free(pmboxq, phba->mbox_mem_pool); |
97207482 JS |
310 | return; |
311 | } | |
312 | ||
0558056c JS |
313 | /** |
314 | * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname, | |
315 | * cfg_soft_wwnn, cfg_soft_wwpn | |
316 | * @vport: pointer to lpfc vport data structure. | |
317 | * | |
318 | * | |
319 | * Return codes | |
320 | * None. | |
321 | **/ | |
322 | void | |
323 | lpfc_update_vport_wwn(struct lpfc_vport *vport) | |
324 | { | |
325 | /* If the soft name exists then update it using the service params */ | |
326 | if (vport->phba->cfg_soft_wwnn) | |
327 | u64_to_wwn(vport->phba->cfg_soft_wwnn, | |
328 | vport->fc_sparam.nodeName.u.wwn); | |
329 | if (vport->phba->cfg_soft_wwpn) | |
330 | u64_to_wwn(vport->phba->cfg_soft_wwpn, | |
331 | vport->fc_sparam.portName.u.wwn); | |
332 | ||
333 | /* | |
334 | * If the name is empty or there exists a soft name | |
335 | * then copy the service params name, otherwise use the fc name | |
336 | */ | |
337 | if (vport->fc_nodename.u.wwn[0] == 0 || vport->phba->cfg_soft_wwnn) | |
338 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, | |
339 | sizeof(struct lpfc_name)); | |
340 | else | |
341 | memcpy(&vport->fc_sparam.nodeName, &vport->fc_nodename, | |
342 | sizeof(struct lpfc_name)); | |
343 | ||
344 | if (vport->fc_portname.u.wwn[0] == 0 || vport->phba->cfg_soft_wwpn) | |
345 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, | |
346 | sizeof(struct lpfc_name)); | |
347 | else | |
348 | memcpy(&vport->fc_sparam.portName, &vport->fc_portname, | |
349 | sizeof(struct lpfc_name)); | |
350 | } | |
351 | ||
e59058c4 | 352 | /** |
3621a710 | 353 | * lpfc_config_port_post - Perform lpfc initialization after config port |
e59058c4 JS |
354 | * @phba: pointer to lpfc hba data structure. |
355 | * | |
356 | * This routine will do LPFC initialization after the CONFIG_PORT mailbox | |
357 | * command call. It performs all internal resource and state setups on the | |
358 | * port: post IOCB buffers, enable appropriate host interrupt attentions, | |
359 | * ELS ring timers, etc. | |
360 | * | |
361 | * Return codes | |
362 | * 0 - success. | |
363 | * Any other value - error. | |
364 | **/ | |
dea3101e | 365 | int |
2e0fef85 | 366 | lpfc_config_port_post(struct lpfc_hba *phba) |
dea3101e | 367 | { |
2e0fef85 | 368 | struct lpfc_vport *vport = phba->pport; |
a257bf90 | 369 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 370 | LPFC_MBOXQ_t *pmb; |
371 | MAILBOX_t *mb; | |
372 | struct lpfc_dmabuf *mp; | |
373 | struct lpfc_sli *psli = &phba->sli; | |
374 | uint32_t status, timeout; | |
2e0fef85 JS |
375 | int i, j; |
376 | int rc; | |
dea3101e | 377 | |
7af67051 JS |
378 | spin_lock_irq(&phba->hbalock); |
379 | /* | |
380 | * If the Config port completed correctly the HBA is not | |
381 | * over heated any more. | |
382 | */ | |
383 | if (phba->over_temp_state == HBA_OVER_TEMP) | |
384 | phba->over_temp_state = HBA_NORMAL_TEMP; | |
385 | spin_unlock_irq(&phba->hbalock); | |
386 | ||
dea3101e | 387 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
388 | if (!pmb) { | |
2e0fef85 | 389 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 390 | return -ENOMEM; |
391 | } | |
04c68496 | 392 | mb = &pmb->u.mb; |
dea3101e | 393 | |
dea3101e | 394 | /* Get login parameters for NID. */ |
9f1177a3 JS |
395 | rc = lpfc_read_sparam(phba, pmb, 0); |
396 | if (rc) { | |
397 | mempool_free(pmb, phba->mbox_mem_pool); | |
398 | return -ENOMEM; | |
399 | } | |
400 | ||
ed957684 | 401 | pmb->vport = vport; |
dea3101e | 402 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 403 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 404 | "0448 Adapter failed init, mbxCmd x%x " |
dea3101e | 405 | "READ_SPARM mbxStatus x%x\n", |
dea3101e | 406 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 407 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 408 | mp = (struct lpfc_dmabuf *) pmb->context1; |
9f1177a3 | 409 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 410 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
411 | kfree(mp); | |
412 | return -EIO; | |
413 | } | |
414 | ||
415 | mp = (struct lpfc_dmabuf *) pmb->context1; | |
416 | ||
2e0fef85 | 417 | memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); |
dea3101e | 418 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
419 | kfree(mp); | |
420 | pmb->context1 = NULL; | |
0558056c | 421 | lpfc_update_vport_wwn(vport); |
a257bf90 JS |
422 | |
423 | /* Update the fc_host data structures with new wwn. */ | |
424 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); | |
425 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
21e9a0a5 | 426 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
a257bf90 | 427 | |
dea3101e | 428 | /* If no serial number in VPD data, use low 6 bytes of WWNN */ |
429 | /* This should be consolidated into parse_vpd ? - mr */ | |
430 | if (phba->SerialNumber[0] == 0) { | |
431 | uint8_t *outptr; | |
432 | ||
2e0fef85 | 433 | outptr = &vport->fc_nodename.u.s.IEEE[0]; |
dea3101e | 434 | for (i = 0; i < 12; i++) { |
435 | status = *outptr++; | |
436 | j = ((status & 0xf0) >> 4); | |
437 | if (j <= 9) | |
438 | phba->SerialNumber[i] = | |
439 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
440 | else | |
441 | phba->SerialNumber[i] = | |
442 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
443 | i++; | |
444 | j = (status & 0xf); | |
445 | if (j <= 9) | |
446 | phba->SerialNumber[i] = | |
447 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
448 | else | |
449 | phba->SerialNumber[i] = | |
450 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
451 | } | |
452 | } | |
453 | ||
dea3101e | 454 | lpfc_read_config(phba, pmb); |
ed957684 | 455 | pmb->vport = vport; |
dea3101e | 456 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 457 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 458 | "0453 Adapter failed to init, mbxCmd x%x " |
dea3101e | 459 | "READ_CONFIG, mbxStatus x%x\n", |
dea3101e | 460 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 461 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 462 | mempool_free( pmb, phba->mbox_mem_pool); |
463 | return -EIO; | |
464 | } | |
465 | ||
a0c87cbd JS |
466 | /* Check if the port is disabled */ |
467 | lpfc_sli_read_link_ste(phba); | |
468 | ||
dea3101e | 469 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ |
470 | if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) | |
471 | phba->cfg_hba_queue_depth = | |
f1126688 JS |
472 | (mb->un.varRdConfig.max_xri + 1) - |
473 | lpfc_sli4_get_els_iocb_cnt(phba); | |
dea3101e | 474 | |
475 | phba->lmt = mb->un.varRdConfig.lmt; | |
74b72a59 JW |
476 | |
477 | /* Get the default values for Model Name and Description */ | |
478 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
479 | ||
2e0fef85 | 480 | phba->link_state = LPFC_LINK_DOWN; |
dea3101e | 481 | |
0b727fea | 482 | /* Only process IOCBs on ELS ring till hba_state is READY */ |
7e56aa25 | 483 | if (psli->ring[psli->extra_ring].sli.sli3.cmdringaddr) |
a4bc3379 | 484 | psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; |
7e56aa25 | 485 | if (psli->ring[psli->fcp_ring].sli.sli3.cmdringaddr) |
dea3101e | 486 | psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; |
7e56aa25 | 487 | if (psli->ring[psli->next_ring].sli.sli3.cmdringaddr) |
dea3101e | 488 | psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; |
489 | ||
490 | /* Post receive buffers for desired rings */ | |
ed957684 JS |
491 | if (phba->sli_rev != 3) |
492 | lpfc_post_rcv_buf(phba); | |
dea3101e | 493 | |
9399627f JS |
494 | /* |
495 | * Configure HBA MSI-X attention conditions to messages if MSI-X mode | |
496 | */ | |
497 | if (phba->intr_type == MSIX) { | |
498 | rc = lpfc_config_msi(phba, pmb); | |
499 | if (rc) { | |
500 | mempool_free(pmb, phba->mbox_mem_pool); | |
501 | return -EIO; | |
502 | } | |
503 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
504 | if (rc != MBX_SUCCESS) { | |
505 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
506 | "0352 Config MSI mailbox command " | |
507 | "failed, mbxCmd x%x, mbxStatus x%x\n", | |
04c68496 JS |
508 | pmb->u.mb.mbxCommand, |
509 | pmb->u.mb.mbxStatus); | |
9399627f JS |
510 | mempool_free(pmb, phba->mbox_mem_pool); |
511 | return -EIO; | |
512 | } | |
513 | } | |
514 | ||
04c68496 | 515 | spin_lock_irq(&phba->hbalock); |
9399627f JS |
516 | /* Initialize ERATT handling flag */ |
517 | phba->hba_flag &= ~HBA_ERATT_HANDLED; | |
518 | ||
dea3101e | 519 | /* Enable appropriate host interrupts */ |
9940b97b JS |
520 | if (lpfc_readl(phba->HCregaddr, &status)) { |
521 | spin_unlock_irq(&phba->hbalock); | |
522 | return -EIO; | |
523 | } | |
dea3101e | 524 | status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; |
525 | if (psli->num_rings > 0) | |
526 | status |= HC_R0INT_ENA; | |
527 | if (psli->num_rings > 1) | |
528 | status |= HC_R1INT_ENA; | |
529 | if (psli->num_rings > 2) | |
530 | status |= HC_R2INT_ENA; | |
531 | if (psli->num_rings > 3) | |
532 | status |= HC_R3INT_ENA; | |
533 | ||
875fbdfe JSEC |
534 | if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && |
535 | (phba->cfg_poll & DISABLE_FCP_RING_INT)) | |
9399627f | 536 | status &= ~(HC_R0INT_ENA); |
875fbdfe | 537 | |
dea3101e | 538 | writel(status, phba->HCregaddr); |
539 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 540 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 541 | |
9399627f JS |
542 | /* Set up ring-0 (ELS) timer */ |
543 | timeout = phba->fc_ratov * 2; | |
256ec0d0 JS |
544 | mod_timer(&vport->els_tmofunc, |
545 | jiffies + msecs_to_jiffies(1000 * timeout)); | |
9399627f | 546 | /* Set up heart beat (HB) timer */ |
256ec0d0 JS |
547 | mod_timer(&phba->hb_tmofunc, |
548 | jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); | |
858c9f6c JS |
549 | phba->hb_outstanding = 0; |
550 | phba->last_completion_time = jiffies; | |
9399627f | 551 | /* Set up error attention (ERATT) polling timer */ |
256ec0d0 JS |
552 | mod_timer(&phba->eratt_poll, |
553 | jiffies + msecs_to_jiffies(1000 * LPFC_ERATT_POLL_INTERVAL)); | |
dea3101e | 554 | |
a0c87cbd JS |
555 | if (phba->hba_flag & LINK_DISABLED) { |
556 | lpfc_printf_log(phba, | |
557 | KERN_ERR, LOG_INIT, | |
558 | "2598 Adapter Link is disabled.\n"); | |
559 | lpfc_down_link(phba, pmb); | |
560 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
561 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
562 | if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) { | |
563 | lpfc_printf_log(phba, | |
564 | KERN_ERR, LOG_INIT, | |
565 | "2599 Adapter failed to issue DOWN_LINK" | |
566 | " mbox command rc 0x%x\n", rc); | |
567 | ||
568 | mempool_free(pmb, phba->mbox_mem_pool); | |
569 | return -EIO; | |
570 | } | |
e40a02c1 | 571 | } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) { |
026abb87 JS |
572 | mempool_free(pmb, phba->mbox_mem_pool); |
573 | rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); | |
574 | if (rc) | |
575 | return rc; | |
dea3101e | 576 | } |
577 | /* MBOX buffer will be freed in mbox compl */ | |
57127f15 | 578 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
9f1177a3 JS |
579 | if (!pmb) { |
580 | phba->link_state = LPFC_HBA_ERROR; | |
581 | return -ENOMEM; | |
582 | } | |
583 | ||
57127f15 JS |
584 | lpfc_config_async(phba, pmb, LPFC_ELS_RING); |
585 | pmb->mbox_cmpl = lpfc_config_async_cmpl; | |
586 | pmb->vport = phba->pport; | |
587 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
dea3101e | 588 | |
57127f15 JS |
589 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
590 | lpfc_printf_log(phba, | |
591 | KERN_ERR, | |
592 | LOG_INIT, | |
593 | "0456 Adapter failed to issue " | |
e4e74273 | 594 | "ASYNCEVT_ENABLE mbox status x%x\n", |
57127f15 JS |
595 | rc); |
596 | mempool_free(pmb, phba->mbox_mem_pool); | |
597 | } | |
97207482 JS |
598 | |
599 | /* Get Option rom version */ | |
600 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
9f1177a3 JS |
601 | if (!pmb) { |
602 | phba->link_state = LPFC_HBA_ERROR; | |
603 | return -ENOMEM; | |
604 | } | |
605 | ||
97207482 JS |
606 | lpfc_dump_wakeup_param(phba, pmb); |
607 | pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl; | |
608 | pmb->vport = phba->pport; | |
609 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
610 | ||
611 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { | |
612 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed " | |
e4e74273 | 613 | "to get Option ROM version status x%x\n", rc); |
97207482 JS |
614 | mempool_free(pmb, phba->mbox_mem_pool); |
615 | } | |
616 | ||
d7c255b2 | 617 | return 0; |
ce8b3ce5 JS |
618 | } |
619 | ||
84d1b006 JS |
620 | /** |
621 | * lpfc_hba_init_link - Initialize the FC link | |
622 | * @phba: pointer to lpfc hba data structure. | |
6e7288d9 | 623 | * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT |
84d1b006 JS |
624 | * |
625 | * This routine will issue the INIT_LINK mailbox command call. | |
626 | * It is available to other drivers through the lpfc_hba data | |
627 | * structure for use as a delayed link up mechanism with the | |
628 | * module parameter lpfc_suppress_link_up. | |
629 | * | |
630 | * Return code | |
631 | * 0 - success | |
632 | * Any other value - error | |
633 | **/ | |
634 | int | |
6e7288d9 | 635 | lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag) |
1b51197d JS |
636 | { |
637 | return lpfc_hba_init_link_fc_topology(phba, phba->cfg_topology, flag); | |
638 | } | |
639 | ||
640 | /** | |
641 | * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology | |
642 | * @phba: pointer to lpfc hba data structure. | |
643 | * @fc_topology: desired fc topology. | |
644 | * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT | |
645 | * | |
646 | * This routine will issue the INIT_LINK mailbox command call. | |
647 | * It is available to other drivers through the lpfc_hba data | |
648 | * structure for use as a delayed link up mechanism with the | |
649 | * module parameter lpfc_suppress_link_up. | |
650 | * | |
651 | * Return code | |
652 | * 0 - success | |
653 | * Any other value - error | |
654 | **/ | |
655 | int | |
656 | lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology, | |
657 | uint32_t flag) | |
84d1b006 JS |
658 | { |
659 | struct lpfc_vport *vport = phba->pport; | |
660 | LPFC_MBOXQ_t *pmb; | |
661 | MAILBOX_t *mb; | |
662 | int rc; | |
663 | ||
664 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
665 | if (!pmb) { | |
666 | phba->link_state = LPFC_HBA_ERROR; | |
667 | return -ENOMEM; | |
668 | } | |
669 | mb = &pmb->u.mb; | |
670 | pmb->vport = vport; | |
671 | ||
026abb87 JS |
672 | if ((phba->cfg_link_speed > LPFC_USER_LINK_SPEED_MAX) || |
673 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_1G) && | |
674 | !(phba->lmt & LMT_1Gb)) || | |
675 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_2G) && | |
676 | !(phba->lmt & LMT_2Gb)) || | |
677 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_4G) && | |
678 | !(phba->lmt & LMT_4Gb)) || | |
679 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_8G) && | |
680 | !(phba->lmt & LMT_8Gb)) || | |
681 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_10G) && | |
682 | !(phba->lmt & LMT_10Gb)) || | |
683 | ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G) && | |
684 | !(phba->lmt & LMT_16Gb))) { | |
685 | /* Reset link speed to auto */ | |
686 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
687 | "1302 Invalid speed for this board:%d " | |
688 | "Reset link speed to auto.\n", | |
689 | phba->cfg_link_speed); | |
690 | phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO; | |
691 | } | |
1b51197d | 692 | lpfc_init_link(phba, pmb, fc_topology, phba->cfg_link_speed); |
84d1b006 | 693 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
1b51197d JS |
694 | if (phba->sli_rev < LPFC_SLI_REV4) |
695 | lpfc_set_loopback_flag(phba); | |
6e7288d9 | 696 | rc = lpfc_sli_issue_mbox(phba, pmb, flag); |
76a95d75 | 697 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
84d1b006 JS |
698 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
699 | "0498 Adapter failed to init, mbxCmd x%x " | |
700 | "INIT_LINK, mbxStatus x%x\n", | |
701 | mb->mbxCommand, mb->mbxStatus); | |
76a95d75 JS |
702 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
703 | /* Clear all interrupt enable conditions */ | |
704 | writel(0, phba->HCregaddr); | |
705 | readl(phba->HCregaddr); /* flush */ | |
706 | /* Clear all pending interrupts */ | |
707 | writel(0xffffffff, phba->HAregaddr); | |
708 | readl(phba->HAregaddr); /* flush */ | |
709 | } | |
84d1b006 | 710 | phba->link_state = LPFC_HBA_ERROR; |
6e7288d9 | 711 | if (rc != MBX_BUSY || flag == MBX_POLL) |
84d1b006 JS |
712 | mempool_free(pmb, phba->mbox_mem_pool); |
713 | return -EIO; | |
714 | } | |
e40a02c1 | 715 | phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK; |
6e7288d9 JS |
716 | if (flag == MBX_POLL) |
717 | mempool_free(pmb, phba->mbox_mem_pool); | |
84d1b006 JS |
718 | |
719 | return 0; | |
720 | } | |
721 | ||
722 | /** | |
723 | * lpfc_hba_down_link - this routine downs the FC link | |
6e7288d9 JS |
724 | * @phba: pointer to lpfc hba data structure. |
725 | * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT | |
84d1b006 JS |
726 | * |
727 | * This routine will issue the DOWN_LINK mailbox command call. | |
728 | * It is available to other drivers through the lpfc_hba data | |
729 | * structure for use to stop the link. | |
730 | * | |
731 | * Return code | |
732 | * 0 - success | |
733 | * Any other value - error | |
734 | **/ | |
735 | int | |
6e7288d9 | 736 | lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag) |
84d1b006 JS |
737 | { |
738 | LPFC_MBOXQ_t *pmb; | |
739 | int rc; | |
740 | ||
741 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
742 | if (!pmb) { | |
743 | phba->link_state = LPFC_HBA_ERROR; | |
744 | return -ENOMEM; | |
745 | } | |
746 | ||
747 | lpfc_printf_log(phba, | |
748 | KERN_ERR, LOG_INIT, | |
749 | "0491 Adapter Link is disabled.\n"); | |
750 | lpfc_down_link(phba, pmb); | |
751 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
6e7288d9 | 752 | rc = lpfc_sli_issue_mbox(phba, pmb, flag); |
84d1b006 JS |
753 | if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) { |
754 | lpfc_printf_log(phba, | |
755 | KERN_ERR, LOG_INIT, | |
756 | "2522 Adapter failed to issue DOWN_LINK" | |
757 | " mbox command rc 0x%x\n", rc); | |
758 | ||
759 | mempool_free(pmb, phba->mbox_mem_pool); | |
760 | return -EIO; | |
761 | } | |
6e7288d9 JS |
762 | if (flag == MBX_POLL) |
763 | mempool_free(pmb, phba->mbox_mem_pool); | |
764 | ||
84d1b006 JS |
765 | return 0; |
766 | } | |
767 | ||
e59058c4 | 768 | /** |
3621a710 | 769 | * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset |
e59058c4 JS |
770 | * @phba: pointer to lpfc HBA data structure. |
771 | * | |
772 | * This routine will do LPFC uninitialization before the HBA is reset when | |
773 | * bringing down the SLI Layer. | |
774 | * | |
775 | * Return codes | |
776 | * 0 - success. | |
777 | * Any other value - error. | |
778 | **/ | |
dea3101e | 779 | int |
2e0fef85 | 780 | lpfc_hba_down_prep(struct lpfc_hba *phba) |
dea3101e | 781 | { |
1b32f6aa JS |
782 | struct lpfc_vport **vports; |
783 | int i; | |
3772a991 JS |
784 | |
785 | if (phba->sli_rev <= LPFC_SLI_REV3) { | |
786 | /* Disable interrupts */ | |
787 | writel(0, phba->HCregaddr); | |
788 | readl(phba->HCregaddr); /* flush */ | |
789 | } | |
dea3101e | 790 | |
1b32f6aa JS |
791 | if (phba->pport->load_flag & FC_UNLOADING) |
792 | lpfc_cleanup_discovery_resources(phba->pport); | |
793 | else { | |
794 | vports = lpfc_create_vport_work_array(phba); | |
795 | if (vports != NULL) | |
3772a991 JS |
796 | for (i = 0; i <= phba->max_vports && |
797 | vports[i] != NULL; i++) | |
1b32f6aa JS |
798 | lpfc_cleanup_discovery_resources(vports[i]); |
799 | lpfc_destroy_vport_work_array(phba, vports); | |
7f5f3d0d JS |
800 | } |
801 | return 0; | |
dea3101e | 802 | } |
803 | ||
e59058c4 | 804 | /** |
3772a991 | 805 | * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset |
e59058c4 JS |
806 | * @phba: pointer to lpfc HBA data structure. |
807 | * | |
808 | * This routine will do uninitialization after the HBA is reset when bring | |
809 | * down the SLI Layer. | |
810 | * | |
811 | * Return codes | |
af901ca1 | 812 | * 0 - success. |
e59058c4 JS |
813 | * Any other value - error. |
814 | **/ | |
3772a991 JS |
815 | static int |
816 | lpfc_hba_down_post_s3(struct lpfc_hba *phba) | |
41415862 JW |
817 | { |
818 | struct lpfc_sli *psli = &phba->sli; | |
819 | struct lpfc_sli_ring *pring; | |
820 | struct lpfc_dmabuf *mp, *next_mp; | |
09372820 | 821 | LIST_HEAD(completions); |
41415862 JW |
822 | int i; |
823 | ||
92d7f7b0 JS |
824 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
825 | lpfc_sli_hbqbuf_free_all(phba); | |
826 | else { | |
827 | /* Cleanup preposted buffers on the ELS ring */ | |
828 | pring = &psli->ring[LPFC_ELS_RING]; | |
829 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
830 | list_del(&mp->list); | |
831 | pring->postbufq_cnt--; | |
832 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
833 | kfree(mp); | |
834 | } | |
41415862 JW |
835 | } |
836 | ||
09372820 | 837 | spin_lock_irq(&phba->hbalock); |
41415862 JW |
838 | for (i = 0; i < psli->num_rings; i++) { |
839 | pring = &psli->ring[i]; | |
09372820 JS |
840 | |
841 | /* At this point in time the HBA is either reset or DOA. Either | |
842 | * way, nothing should be on txcmplq as it will NEVER complete. | |
843 | */ | |
844 | list_splice_init(&pring->txcmplq, &completions); | |
09372820 JS |
845 | spin_unlock_irq(&phba->hbalock); |
846 | ||
a257bf90 JS |
847 | /* Cancel all the IOCBs from the completions list */ |
848 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
849 | IOERR_SLI_ABORTED); | |
09372820 | 850 | |
41415862 | 851 | lpfc_sli_abort_iocb_ring(phba, pring); |
09372820 | 852 | spin_lock_irq(&phba->hbalock); |
41415862 | 853 | } |
09372820 | 854 | spin_unlock_irq(&phba->hbalock); |
41415862 JW |
855 | |
856 | return 0; | |
857 | } | |
5af5eee7 | 858 | |
da0436e9 JS |
859 | /** |
860 | * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset | |
861 | * @phba: pointer to lpfc HBA data structure. | |
862 | * | |
863 | * This routine will do uninitialization after the HBA is reset when bring | |
864 | * down the SLI Layer. | |
865 | * | |
866 | * Return codes | |
af901ca1 | 867 | * 0 - success. |
da0436e9 JS |
868 | * Any other value - error. |
869 | **/ | |
870 | static int | |
871 | lpfc_hba_down_post_s4(struct lpfc_hba *phba) | |
872 | { | |
873 | struct lpfc_scsi_buf *psb, *psb_next; | |
874 | LIST_HEAD(aborts); | |
875 | int ret; | |
876 | unsigned long iflag = 0; | |
0f65ff68 JS |
877 | struct lpfc_sglq *sglq_entry = NULL; |
878 | ||
da0436e9 JS |
879 | ret = lpfc_hba_down_post_s3(phba); |
880 | if (ret) | |
881 | return ret; | |
882 | /* At this point in time the HBA is either reset or DOA. Either | |
883 | * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be | |
884 | * on the lpfc_sgl_list so that it can either be freed if the | |
885 | * driver is unloading or reposted if the driver is restarting | |
886 | * the port. | |
887 | */ | |
888 | spin_lock_irq(&phba->hbalock); /* required for lpfc_sgl_list and */ | |
889 | /* scsl_buf_list */ | |
890 | /* abts_sgl_list_lock required because worker thread uses this | |
891 | * list. | |
892 | */ | |
893 | spin_lock(&phba->sli4_hba.abts_sgl_list_lock); | |
0f65ff68 JS |
894 | list_for_each_entry(sglq_entry, |
895 | &phba->sli4_hba.lpfc_abts_els_sgl_list, list) | |
896 | sglq_entry->state = SGL_FREED; | |
897 | ||
da0436e9 JS |
898 | list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list, |
899 | &phba->sli4_hba.lpfc_sgl_list); | |
900 | spin_unlock(&phba->sli4_hba.abts_sgl_list_lock); | |
901 | /* abts_scsi_buf_list_lock required because worker thread uses this | |
902 | * list. | |
903 | */ | |
904 | spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
905 | list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list, | |
906 | &aborts); | |
907 | spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
908 | spin_unlock_irq(&phba->hbalock); | |
909 | ||
910 | list_for_each_entry_safe(psb, psb_next, &aborts, list) { | |
911 | psb->pCmd = NULL; | |
912 | psb->status = IOSTAT_SUCCESS; | |
913 | } | |
a40fc5f0 JS |
914 | spin_lock_irqsave(&phba->scsi_buf_list_put_lock, iflag); |
915 | list_splice(&aborts, &phba->lpfc_scsi_buf_list_put); | |
916 | spin_unlock_irqrestore(&phba->scsi_buf_list_put_lock, iflag); | |
da0436e9 JS |
917 | return 0; |
918 | } | |
919 | ||
920 | /** | |
921 | * lpfc_hba_down_post - Wrapper func for hba down post routine | |
922 | * @phba: pointer to lpfc HBA data structure. | |
923 | * | |
924 | * This routine wraps the actual SLI3 or SLI4 routine for performing | |
925 | * uninitialization after the HBA is reset when bring down the SLI Layer. | |
926 | * | |
927 | * Return codes | |
af901ca1 | 928 | * 0 - success. |
da0436e9 JS |
929 | * Any other value - error. |
930 | **/ | |
931 | int | |
932 | lpfc_hba_down_post(struct lpfc_hba *phba) | |
933 | { | |
934 | return (*phba->lpfc_hba_down_post)(phba); | |
935 | } | |
41415862 | 936 | |
e59058c4 | 937 | /** |
3621a710 | 938 | * lpfc_hb_timeout - The HBA-timer timeout handler |
e59058c4 JS |
939 | * @ptr: unsigned long holds the pointer to lpfc hba data structure. |
940 | * | |
941 | * This is the HBA-timer timeout handler registered to the lpfc driver. When | |
942 | * this timer fires, a HBA timeout event shall be posted to the lpfc driver | |
943 | * work-port-events bitmap and the worker thread is notified. This timeout | |
944 | * event will be used by the worker thread to invoke the actual timeout | |
945 | * handler routine, lpfc_hb_timeout_handler. Any periodical operations will | |
946 | * be performed in the timeout handler and the HBA timeout event bit shall | |
947 | * be cleared by the worker thread after it has taken the event bitmap out. | |
948 | **/ | |
a6ababd2 | 949 | static void |
858c9f6c JS |
950 | lpfc_hb_timeout(unsigned long ptr) |
951 | { | |
952 | struct lpfc_hba *phba; | |
5e9d9b82 | 953 | uint32_t tmo_posted; |
858c9f6c JS |
954 | unsigned long iflag; |
955 | ||
956 | phba = (struct lpfc_hba *)ptr; | |
9399627f JS |
957 | |
958 | /* Check for heart beat timeout conditions */ | |
858c9f6c | 959 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); |
5e9d9b82 JS |
960 | tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO; |
961 | if (!tmo_posted) | |
858c9f6c JS |
962 | phba->pport->work_port_events |= WORKER_HB_TMO; |
963 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
964 | ||
9399627f | 965 | /* Tell the worker thread there is work to do */ |
5e9d9b82 JS |
966 | if (!tmo_posted) |
967 | lpfc_worker_wake_up(phba); | |
858c9f6c JS |
968 | return; |
969 | } | |
970 | ||
19ca7609 JS |
971 | /** |
972 | * lpfc_rrq_timeout - The RRQ-timer timeout handler | |
973 | * @ptr: unsigned long holds the pointer to lpfc hba data structure. | |
974 | * | |
975 | * This is the RRQ-timer timeout handler registered to the lpfc driver. When | |
976 | * this timer fires, a RRQ timeout event shall be posted to the lpfc driver | |
977 | * work-port-events bitmap and the worker thread is notified. This timeout | |
978 | * event will be used by the worker thread to invoke the actual timeout | |
979 | * handler routine, lpfc_rrq_handler. Any periodical operations will | |
980 | * be performed in the timeout handler and the RRQ timeout event bit shall | |
981 | * be cleared by the worker thread after it has taken the event bitmap out. | |
982 | **/ | |
983 | static void | |
984 | lpfc_rrq_timeout(unsigned long ptr) | |
985 | { | |
986 | struct lpfc_hba *phba; | |
19ca7609 JS |
987 | unsigned long iflag; |
988 | ||
989 | phba = (struct lpfc_hba *)ptr; | |
990 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); | |
1151e3ec | 991 | phba->hba_flag |= HBA_RRQ_ACTIVE; |
19ca7609 | 992 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); |
1151e3ec | 993 | lpfc_worker_wake_up(phba); |
19ca7609 JS |
994 | } |
995 | ||
e59058c4 | 996 | /** |
3621a710 | 997 | * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function |
e59058c4 JS |
998 | * @phba: pointer to lpfc hba data structure. |
999 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
1000 | * | |
1001 | * This is the callback function to the lpfc heart-beat mailbox command. | |
1002 | * If configured, the lpfc driver issues the heart-beat mailbox command to | |
1003 | * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the | |
1004 | * heart-beat mailbox command is issued, the driver shall set up heart-beat | |
1005 | * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks | |
1006 | * heart-beat outstanding state. Once the mailbox command comes back and | |
1007 | * no error conditions detected, the heart-beat mailbox command timer is | |
1008 | * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding | |
1009 | * state is cleared for the next heart-beat. If the timer expired with the | |
1010 | * heart-beat outstanding state set, the driver will put the HBA offline. | |
1011 | **/ | |
858c9f6c JS |
1012 | static void |
1013 | lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
1014 | { | |
1015 | unsigned long drvr_flag; | |
1016 | ||
1017 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
1018 | phba->hb_outstanding = 0; | |
1019 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
1020 | ||
9399627f | 1021 | /* Check and reset heart-beat timer is necessary */ |
858c9f6c JS |
1022 | mempool_free(pmboxq, phba->mbox_mem_pool); |
1023 | if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && | |
1024 | !(phba->link_state == LPFC_HBA_ERROR) && | |
51ef4c26 | 1025 | !(phba->pport->load_flag & FC_UNLOADING)) |
858c9f6c | 1026 | mod_timer(&phba->hb_tmofunc, |
256ec0d0 JS |
1027 | jiffies + |
1028 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); | |
858c9f6c JS |
1029 | return; |
1030 | } | |
1031 | ||
e59058c4 | 1032 | /** |
3621a710 | 1033 | * lpfc_hb_timeout_handler - The HBA-timer timeout handler |
e59058c4 JS |
1034 | * @phba: pointer to lpfc hba data structure. |
1035 | * | |
1036 | * This is the actual HBA-timer timeout handler to be invoked by the worker | |
1037 | * thread whenever the HBA timer fired and HBA-timeout event posted. This | |
1038 | * handler performs any periodic operations needed for the device. If such | |
1039 | * periodic event has already been attended to either in the interrupt handler | |
1040 | * or by processing slow-ring or fast-ring events within the HBA-timer | |
1041 | * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets | |
1042 | * the timer for the next timeout period. If lpfc heart-beat mailbox command | |
1043 | * is configured and there is no heart-beat mailbox command outstanding, a | |
1044 | * heart-beat mailbox is issued and timer set properly. Otherwise, if there | |
1045 | * has been a heart-beat mailbox command outstanding, the HBA shall be put | |
1046 | * to offline. | |
1047 | **/ | |
858c9f6c JS |
1048 | void |
1049 | lpfc_hb_timeout_handler(struct lpfc_hba *phba) | |
1050 | { | |
45ed1190 | 1051 | struct lpfc_vport **vports; |
858c9f6c | 1052 | LPFC_MBOXQ_t *pmboxq; |
0ff10d46 | 1053 | struct lpfc_dmabuf *buf_ptr; |
45ed1190 | 1054 | int retval, i; |
858c9f6c | 1055 | struct lpfc_sli *psli = &phba->sli; |
0ff10d46 | 1056 | LIST_HEAD(completions); |
858c9f6c | 1057 | |
45ed1190 JS |
1058 | vports = lpfc_create_vport_work_array(phba); |
1059 | if (vports != NULL) | |
1060 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) | |
1061 | lpfc_rcv_seq_check_edtov(vports[i]); | |
1062 | lpfc_destroy_vport_work_array(phba, vports); | |
1063 | ||
858c9f6c | 1064 | if ((phba->link_state == LPFC_HBA_ERROR) || |
51ef4c26 | 1065 | (phba->pport->load_flag & FC_UNLOADING) || |
858c9f6c JS |
1066 | (phba->pport->fc_flag & FC_OFFLINE_MODE)) |
1067 | return; | |
1068 | ||
1069 | spin_lock_irq(&phba->pport->work_port_lock); | |
858c9f6c | 1070 | |
256ec0d0 JS |
1071 | if (time_after(phba->last_completion_time + |
1072 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL), | |
1073 | jiffies)) { | |
858c9f6c JS |
1074 | spin_unlock_irq(&phba->pport->work_port_lock); |
1075 | if (!phba->hb_outstanding) | |
1076 | mod_timer(&phba->hb_tmofunc, | |
256ec0d0 JS |
1077 | jiffies + |
1078 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); | |
858c9f6c JS |
1079 | else |
1080 | mod_timer(&phba->hb_tmofunc, | |
256ec0d0 JS |
1081 | jiffies + |
1082 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT)); | |
858c9f6c JS |
1083 | return; |
1084 | } | |
1085 | spin_unlock_irq(&phba->pport->work_port_lock); | |
1086 | ||
0ff10d46 JS |
1087 | if (phba->elsbuf_cnt && |
1088 | (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { | |
1089 | spin_lock_irq(&phba->hbalock); | |
1090 | list_splice_init(&phba->elsbuf, &completions); | |
1091 | phba->elsbuf_cnt = 0; | |
1092 | phba->elsbuf_prev_cnt = 0; | |
1093 | spin_unlock_irq(&phba->hbalock); | |
1094 | ||
1095 | while (!list_empty(&completions)) { | |
1096 | list_remove_head(&completions, buf_ptr, | |
1097 | struct lpfc_dmabuf, list); | |
1098 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
1099 | kfree(buf_ptr); | |
1100 | } | |
1101 | } | |
1102 | phba->elsbuf_prev_cnt = phba->elsbuf_cnt; | |
1103 | ||
858c9f6c | 1104 | /* If there is no heart beat outstanding, issue a heartbeat command */ |
13815c83 JS |
1105 | if (phba->cfg_enable_hba_heartbeat) { |
1106 | if (!phba->hb_outstanding) { | |
bc73905a JS |
1107 | if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) && |
1108 | (list_empty(&psli->mboxq))) { | |
1109 | pmboxq = mempool_alloc(phba->mbox_mem_pool, | |
1110 | GFP_KERNEL); | |
1111 | if (!pmboxq) { | |
1112 | mod_timer(&phba->hb_tmofunc, | |
1113 | jiffies + | |
256ec0d0 JS |
1114 | msecs_to_jiffies(1000 * |
1115 | LPFC_HB_MBOX_INTERVAL)); | |
bc73905a JS |
1116 | return; |
1117 | } | |
1118 | ||
1119 | lpfc_heart_beat(phba, pmboxq); | |
1120 | pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; | |
1121 | pmboxq->vport = phba->pport; | |
1122 | retval = lpfc_sli_issue_mbox(phba, pmboxq, | |
1123 | MBX_NOWAIT); | |
1124 | ||
1125 | if (retval != MBX_BUSY && | |
1126 | retval != MBX_SUCCESS) { | |
1127 | mempool_free(pmboxq, | |
1128 | phba->mbox_mem_pool); | |
1129 | mod_timer(&phba->hb_tmofunc, | |
1130 | jiffies + | |
256ec0d0 JS |
1131 | msecs_to_jiffies(1000 * |
1132 | LPFC_HB_MBOX_INTERVAL)); | |
bc73905a JS |
1133 | return; |
1134 | } | |
1135 | phba->skipped_hb = 0; | |
1136 | phba->hb_outstanding = 1; | |
1137 | } else if (time_before_eq(phba->last_completion_time, | |
1138 | phba->skipped_hb)) { | |
1139 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
1140 | "2857 Last completion time not " | |
1141 | " updated in %d ms\n", | |
1142 | jiffies_to_msecs(jiffies | |
1143 | - phba->last_completion_time)); | |
1144 | } else | |
1145 | phba->skipped_hb = jiffies; | |
1146 | ||
858c9f6c | 1147 | mod_timer(&phba->hb_tmofunc, |
256ec0d0 JS |
1148 | jiffies + |
1149 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT)); | |
858c9f6c | 1150 | return; |
13815c83 JS |
1151 | } else { |
1152 | /* | |
1153 | * If heart beat timeout called with hb_outstanding set | |
dcf2a4e0 JS |
1154 | * we need to give the hb mailbox cmd a chance to |
1155 | * complete or TMO. | |
13815c83 | 1156 | */ |
dcf2a4e0 JS |
1157 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
1158 | "0459 Adapter heartbeat still out" | |
1159 | "standing:last compl time was %d ms.\n", | |
1160 | jiffies_to_msecs(jiffies | |
1161 | - phba->last_completion_time)); | |
1162 | mod_timer(&phba->hb_tmofunc, | |
256ec0d0 JS |
1163 | jiffies + |
1164 | msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT)); | |
858c9f6c | 1165 | } |
858c9f6c JS |
1166 | } |
1167 | } | |
1168 | ||
e59058c4 | 1169 | /** |
3621a710 | 1170 | * lpfc_offline_eratt - Bring lpfc offline on hardware error attention |
e59058c4 JS |
1171 | * @phba: pointer to lpfc hba data structure. |
1172 | * | |
1173 | * This routine is called to bring the HBA offline when HBA hardware error | |
1174 | * other than Port Error 6 has been detected. | |
1175 | **/ | |
09372820 JS |
1176 | static void |
1177 | lpfc_offline_eratt(struct lpfc_hba *phba) | |
1178 | { | |
1179 | struct lpfc_sli *psli = &phba->sli; | |
1180 | ||
1181 | spin_lock_irq(&phba->hbalock); | |
f4b4c68f | 1182 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
09372820 | 1183 | spin_unlock_irq(&phba->hbalock); |
618a5230 | 1184 | lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); |
09372820 JS |
1185 | |
1186 | lpfc_offline(phba); | |
1187 | lpfc_reset_barrier(phba); | |
f4b4c68f | 1188 | spin_lock_irq(&phba->hbalock); |
09372820 | 1189 | lpfc_sli_brdreset(phba); |
f4b4c68f | 1190 | spin_unlock_irq(&phba->hbalock); |
09372820 JS |
1191 | lpfc_hba_down_post(phba); |
1192 | lpfc_sli_brdready(phba, HS_MBRDY); | |
1193 | lpfc_unblock_mgmt_io(phba); | |
1194 | phba->link_state = LPFC_HBA_ERROR; | |
1195 | return; | |
1196 | } | |
1197 | ||
da0436e9 JS |
1198 | /** |
1199 | * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention | |
1200 | * @phba: pointer to lpfc hba data structure. | |
1201 | * | |
1202 | * This routine is called to bring a SLI4 HBA offline when HBA hardware error | |
1203 | * other than Port Error 6 has been detected. | |
1204 | **/ | |
1205 | static void | |
1206 | lpfc_sli4_offline_eratt(struct lpfc_hba *phba) | |
1207 | { | |
618a5230 | 1208 | lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); |
da0436e9 JS |
1209 | lpfc_offline(phba); |
1210 | lpfc_sli4_brdreset(phba); | |
1211 | lpfc_hba_down_post(phba); | |
1212 | lpfc_sli4_post_status_check(phba); | |
1213 | lpfc_unblock_mgmt_io(phba); | |
1214 | phba->link_state = LPFC_HBA_ERROR; | |
1215 | } | |
1216 | ||
a257bf90 JS |
1217 | /** |
1218 | * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler | |
1219 | * @phba: pointer to lpfc hba data structure. | |
1220 | * | |
1221 | * This routine is invoked to handle the deferred HBA hardware error | |
1222 | * conditions. This type of error is indicated by HBA by setting ER1 | |
1223 | * and another ER bit in the host status register. The driver will | |
1224 | * wait until the ER1 bit clears before handling the error condition. | |
1225 | **/ | |
1226 | static void | |
1227 | lpfc_handle_deferred_eratt(struct lpfc_hba *phba) | |
1228 | { | |
1229 | uint32_t old_host_status = phba->work_hs; | |
1230 | struct lpfc_sli_ring *pring; | |
1231 | struct lpfc_sli *psli = &phba->sli; | |
1232 | ||
f4b4c68f JS |
1233 | /* If the pci channel is offline, ignore possible errors, |
1234 | * since we cannot communicate with the pci card anyway. | |
1235 | */ | |
1236 | if (pci_channel_offline(phba->pcidev)) { | |
1237 | spin_lock_irq(&phba->hbalock); | |
1238 | phba->hba_flag &= ~DEFER_ERATT; | |
1239 | spin_unlock_irq(&phba->hbalock); | |
1240 | return; | |
1241 | } | |
1242 | ||
a257bf90 JS |
1243 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
1244 | "0479 Deferred Adapter Hardware Error " | |
1245 | "Data: x%x x%x x%x\n", | |
1246 | phba->work_hs, | |
1247 | phba->work_status[0], phba->work_status[1]); | |
1248 | ||
1249 | spin_lock_irq(&phba->hbalock); | |
f4b4c68f | 1250 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
a257bf90 JS |
1251 | spin_unlock_irq(&phba->hbalock); |
1252 | ||
1253 | ||
1254 | /* | |
1255 | * Firmware stops when it triggred erratt. That could cause the I/Os | |
1256 | * dropped by the firmware. Error iocb (I/O) on txcmplq and let the | |
1257 | * SCSI layer retry it after re-establishing link. | |
1258 | */ | |
1259 | pring = &psli->ring[psli->fcp_ring]; | |
1260 | lpfc_sli_abort_iocb_ring(phba, pring); | |
1261 | ||
1262 | /* | |
1263 | * There was a firmware error. Take the hba offline and then | |
1264 | * attempt to restart it. | |
1265 | */ | |
618a5230 | 1266 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
a257bf90 JS |
1267 | lpfc_offline(phba); |
1268 | ||
1269 | /* Wait for the ER1 bit to clear.*/ | |
1270 | while (phba->work_hs & HS_FFER1) { | |
1271 | msleep(100); | |
9940b97b JS |
1272 | if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) { |
1273 | phba->work_hs = UNPLUG_ERR ; | |
1274 | break; | |
1275 | } | |
a257bf90 JS |
1276 | /* If driver is unloading let the worker thread continue */ |
1277 | if (phba->pport->load_flag & FC_UNLOADING) { | |
1278 | phba->work_hs = 0; | |
1279 | break; | |
1280 | } | |
1281 | } | |
1282 | ||
1283 | /* | |
1284 | * This is to ptrotect against a race condition in which | |
1285 | * first write to the host attention register clear the | |
1286 | * host status register. | |
1287 | */ | |
1288 | if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING))) | |
1289 | phba->work_hs = old_host_status & ~HS_FFER1; | |
1290 | ||
3772a991 | 1291 | spin_lock_irq(&phba->hbalock); |
a257bf90 | 1292 | phba->hba_flag &= ~DEFER_ERATT; |
3772a991 | 1293 | spin_unlock_irq(&phba->hbalock); |
a257bf90 JS |
1294 | phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); |
1295 | phba->work_status[1] = readl(phba->MBslimaddr + 0xac); | |
1296 | } | |
1297 | ||
3772a991 JS |
1298 | static void |
1299 | lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba) | |
1300 | { | |
1301 | struct lpfc_board_event_header board_event; | |
1302 | struct Scsi_Host *shost; | |
1303 | ||
1304 | board_event.event_type = FC_REG_BOARD_EVENT; | |
1305 | board_event.subcategory = LPFC_EVENT_PORTINTERR; | |
1306 | shost = lpfc_shost_from_vport(phba->pport); | |
1307 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1308 | sizeof(board_event), | |
1309 | (char *) &board_event, | |
1310 | LPFC_NL_VENDOR_ID); | |
1311 | } | |
1312 | ||
e59058c4 | 1313 | /** |
3772a991 | 1314 | * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler |
e59058c4 JS |
1315 | * @phba: pointer to lpfc hba data structure. |
1316 | * | |
1317 | * This routine is invoked to handle the following HBA hardware error | |
1318 | * conditions: | |
1319 | * 1 - HBA error attention interrupt | |
1320 | * 2 - DMA ring index out of range | |
1321 | * 3 - Mailbox command came back as unknown | |
1322 | **/ | |
3772a991 JS |
1323 | static void |
1324 | lpfc_handle_eratt_s3(struct lpfc_hba *phba) | |
dea3101e | 1325 | { |
2e0fef85 | 1326 | struct lpfc_vport *vport = phba->pport; |
2e0fef85 | 1327 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 1328 | struct lpfc_sli_ring *pring; |
d2873e4c | 1329 | uint32_t event_data; |
57127f15 JS |
1330 | unsigned long temperature; |
1331 | struct temp_event temp_event_data; | |
92d7f7b0 | 1332 | struct Scsi_Host *shost; |
2e0fef85 | 1333 | |
8d63f375 | 1334 | /* If the pci channel is offline, ignore possible errors, |
3772a991 JS |
1335 | * since we cannot communicate with the pci card anyway. |
1336 | */ | |
1337 | if (pci_channel_offline(phba->pcidev)) { | |
1338 | spin_lock_irq(&phba->hbalock); | |
1339 | phba->hba_flag &= ~DEFER_ERATT; | |
1340 | spin_unlock_irq(&phba->hbalock); | |
8d63f375 | 1341 | return; |
3772a991 JS |
1342 | } |
1343 | ||
13815c83 JS |
1344 | /* If resets are disabled then leave the HBA alone and return */ |
1345 | if (!phba->cfg_enable_hba_reset) | |
1346 | return; | |
dea3101e | 1347 | |
ea2151b4 | 1348 | /* Send an internal error event to mgmt application */ |
3772a991 | 1349 | lpfc_board_errevt_to_mgmt(phba); |
ea2151b4 | 1350 | |
a257bf90 JS |
1351 | if (phba->hba_flag & DEFER_ERATT) |
1352 | lpfc_handle_deferred_eratt(phba); | |
1353 | ||
dcf2a4e0 JS |
1354 | if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) { |
1355 | if (phba->work_hs & HS_FFER6) | |
1356 | /* Re-establishing Link */ | |
1357 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
1358 | "1301 Re-establishing Link " | |
1359 | "Data: x%x x%x x%x\n", | |
1360 | phba->work_hs, phba->work_status[0], | |
1361 | phba->work_status[1]); | |
1362 | if (phba->work_hs & HS_FFER8) | |
1363 | /* Device Zeroization */ | |
1364 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
1365 | "2861 Host Authentication device " | |
1366 | "zeroization Data:x%x x%x x%x\n", | |
1367 | phba->work_hs, phba->work_status[0], | |
1368 | phba->work_status[1]); | |
58da1ffb | 1369 | |
92d7f7b0 | 1370 | spin_lock_irq(&phba->hbalock); |
f4b4c68f | 1371 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
92d7f7b0 | 1372 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1373 | |
1374 | /* | |
1375 | * Firmware stops when it triggled erratt with HS_FFER6. | |
1376 | * That could cause the I/Os dropped by the firmware. | |
1377 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
1378 | * retry it after re-establishing link. | |
1379 | */ | |
1380 | pring = &psli->ring[psli->fcp_ring]; | |
1381 | lpfc_sli_abort_iocb_ring(phba, pring); | |
1382 | ||
dea3101e | 1383 | /* |
1384 | * There was a firmware error. Take the hba offline and then | |
1385 | * attempt to restart it. | |
1386 | */ | |
618a5230 | 1387 | lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); |
dea3101e | 1388 | lpfc_offline(phba); |
41415862 | 1389 | lpfc_sli_brdrestart(phba); |
dea3101e | 1390 | if (lpfc_online(phba) == 0) { /* Initialize the HBA */ |
46fa311e | 1391 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 1392 | return; |
1393 | } | |
46fa311e | 1394 | lpfc_unblock_mgmt_io(phba); |
57127f15 JS |
1395 | } else if (phba->work_hs & HS_CRIT_TEMP) { |
1396 | temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); | |
1397 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
1398 | temp_event_data.event_code = LPFC_CRIT_TEMP; | |
1399 | temp_event_data.data = (uint32_t)temperature; | |
1400 | ||
1401 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 1402 | "0406 Adapter maximum temperature exceeded " |
57127f15 JS |
1403 | "(%ld), taking this port offline " |
1404 | "Data: x%x x%x x%x\n", | |
1405 | temperature, phba->work_hs, | |
1406 | phba->work_status[0], phba->work_status[1]); | |
1407 | ||
1408 | shost = lpfc_shost_from_vport(phba->pport); | |
1409 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1410 | sizeof(temp_event_data), | |
1411 | (char *) &temp_event_data, | |
1412 | SCSI_NL_VID_TYPE_PCI | |
1413 | | PCI_VENDOR_ID_EMULEX); | |
1414 | ||
7af67051 | 1415 | spin_lock_irq(&phba->hbalock); |
7af67051 JS |
1416 | phba->over_temp_state = HBA_OVER_TEMP; |
1417 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 1418 | lpfc_offline_eratt(phba); |
57127f15 | 1419 | |
dea3101e | 1420 | } else { |
1421 | /* The if clause above forces this code path when the status | |
9399627f JS |
1422 | * failure is a value other than FFER6. Do not call the offline |
1423 | * twice. This is the adapter hardware error path. | |
dea3101e | 1424 | */ |
1425 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 | 1426 | "0457 Adapter Hardware Error " |
dea3101e | 1427 | "Data: x%x x%x x%x\n", |
e8b62011 | 1428 | phba->work_hs, |
dea3101e | 1429 | phba->work_status[0], phba->work_status[1]); |
1430 | ||
d2873e4c | 1431 | event_data = FC_REG_DUMP_EVENT; |
92d7f7b0 | 1432 | shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1433 | fc_host_post_vendor_event(shost, fc_get_event_number(), |
d2873e4c JS |
1434 | sizeof(event_data), (char *) &event_data, |
1435 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
1436 | ||
09372820 | 1437 | lpfc_offline_eratt(phba); |
dea3101e | 1438 | } |
9399627f | 1439 | return; |
dea3101e | 1440 | } |
1441 | ||
618a5230 JS |
1442 | /** |
1443 | * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg | |
1444 | * @phba: pointer to lpfc hba data structure. | |
1445 | * @mbx_action: flag for mailbox shutdown action. | |
1446 | * | |
1447 | * This routine is invoked to perform an SLI4 port PCI function reset in | |
1448 | * response to port status register polling attention. It waits for port | |
1449 | * status register (ERR, RDY, RN) bits before proceeding with function reset. | |
1450 | * During this process, interrupt vectors are freed and later requested | |
1451 | * for handling possible port resource change. | |
1452 | **/ | |
1453 | static int | |
1454 | lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action) | |
1455 | { | |
1456 | int rc; | |
1457 | uint32_t intr_mode; | |
1458 | ||
1459 | /* | |
1460 | * On error status condition, driver need to wait for port | |
1461 | * ready before performing reset. | |
1462 | */ | |
1463 | rc = lpfc_sli4_pdev_status_reg_wait(phba); | |
1464 | if (!rc) { | |
1465 | /* need reset: attempt for port recovery */ | |
1466 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1467 | "2887 Reset Needed: Attempting Port " | |
1468 | "Recovery...\n"); | |
1469 | lpfc_offline_prep(phba, mbx_action); | |
1470 | lpfc_offline(phba); | |
1471 | /* release interrupt for possible resource change */ | |
1472 | lpfc_sli4_disable_intr(phba); | |
1473 | lpfc_sli_brdrestart(phba); | |
1474 | /* request and enable interrupt */ | |
1475 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); | |
1476 | if (intr_mode == LPFC_INTR_ERROR) { | |
1477 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1478 | "3175 Failed to enable interrupt\n"); | |
1479 | return -EIO; | |
1480 | } else { | |
1481 | phba->intr_mode = intr_mode; | |
1482 | } | |
1483 | rc = lpfc_online(phba); | |
1484 | if (rc == 0) | |
1485 | lpfc_unblock_mgmt_io(phba); | |
1486 | } | |
1487 | return rc; | |
1488 | } | |
1489 | ||
da0436e9 JS |
1490 | /** |
1491 | * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler | |
1492 | * @phba: pointer to lpfc hba data structure. | |
1493 | * | |
1494 | * This routine is invoked to handle the SLI4 HBA hardware error attention | |
1495 | * conditions. | |
1496 | **/ | |
1497 | static void | |
1498 | lpfc_handle_eratt_s4(struct lpfc_hba *phba) | |
1499 | { | |
1500 | struct lpfc_vport *vport = phba->pport; | |
1501 | uint32_t event_data; | |
1502 | struct Scsi_Host *shost; | |
2fcee4bf | 1503 | uint32_t if_type; |
2e90f4b5 JS |
1504 | struct lpfc_register portstat_reg = {0}; |
1505 | uint32_t reg_err1, reg_err2; | |
1506 | uint32_t uerrlo_reg, uemasklo_reg; | |
1507 | uint32_t pci_rd_rc1, pci_rd_rc2; | |
73d91e50 | 1508 | int rc; |
da0436e9 JS |
1509 | |
1510 | /* If the pci channel is offline, ignore possible errors, since | |
1511 | * we cannot communicate with the pci card anyway. | |
1512 | */ | |
1513 | if (pci_channel_offline(phba->pcidev)) | |
1514 | return; | |
1515 | /* If resets are disabled then leave the HBA alone and return */ | |
1516 | if (!phba->cfg_enable_hba_reset) | |
1517 | return; | |
1518 | ||
2fcee4bf JS |
1519 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
1520 | switch (if_type) { | |
1521 | case LPFC_SLI_INTF_IF_TYPE_0: | |
2e90f4b5 JS |
1522 | pci_rd_rc1 = lpfc_readl( |
1523 | phba->sli4_hba.u.if_type0.UERRLOregaddr, | |
1524 | &uerrlo_reg); | |
1525 | pci_rd_rc2 = lpfc_readl( | |
1526 | phba->sli4_hba.u.if_type0.UEMASKLOregaddr, | |
1527 | &uemasklo_reg); | |
1528 | /* consider PCI bus read error as pci_channel_offline */ | |
1529 | if (pci_rd_rc1 == -EIO && pci_rd_rc2 == -EIO) | |
1530 | return; | |
2fcee4bf JS |
1531 | lpfc_sli4_offline_eratt(phba); |
1532 | break; | |
1533 | case LPFC_SLI_INTF_IF_TYPE_2: | |
2e90f4b5 JS |
1534 | pci_rd_rc1 = lpfc_readl( |
1535 | phba->sli4_hba.u.if_type2.STATUSregaddr, | |
1536 | &portstat_reg.word0); | |
1537 | /* consider PCI bus read error as pci_channel_offline */ | |
6b5151fd JS |
1538 | if (pci_rd_rc1 == -EIO) { |
1539 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1540 | "3151 PCI bus read access failure: x%x\n", | |
1541 | readl(phba->sli4_hba.u.if_type2.STATUSregaddr)); | |
2e90f4b5 | 1542 | return; |
6b5151fd | 1543 | } |
2e90f4b5 JS |
1544 | reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr); |
1545 | reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr); | |
2fcee4bf JS |
1546 | if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) { |
1547 | /* TODO: Register for Overtemp async events. */ | |
1548 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1549 | "2889 Port Overtemperature event, " | |
026abb87 | 1550 | "taking port offline\n"); |
2fcee4bf JS |
1551 | spin_lock_irq(&phba->hbalock); |
1552 | phba->over_temp_state = HBA_OVER_TEMP; | |
1553 | spin_unlock_irq(&phba->hbalock); | |
1554 | lpfc_sli4_offline_eratt(phba); | |
2e90f4b5 | 1555 | break; |
2fcee4bf | 1556 | } |
2e90f4b5 JS |
1557 | if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && |
1558 | reg_err2 == SLIPORT_ERR2_REG_FW_RESTART) | |
1559 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1560 | "3143 Port Down: Firmware Restarted\n"); | |
1561 | else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && | |
1562 | reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP) | |
1563 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1564 | "3144 Port Down: Debug Dump\n"); | |
1565 | else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && | |
1566 | reg_err2 == SLIPORT_ERR2_REG_FUNC_PROVISON) | |
1567 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1568 | "3145 Port Down: Provisioning\n"); | |
618a5230 JS |
1569 | |
1570 | /* Check port status register for function reset */ | |
1571 | rc = lpfc_sli4_port_sta_fn_reset(phba, LPFC_MBX_NO_WAIT); | |
1572 | if (rc == 0) { | |
1573 | /* don't report event on forced debug dump */ | |
1574 | if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && | |
1575 | reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP) | |
1576 | return; | |
1577 | else | |
1578 | break; | |
2fcee4bf | 1579 | } |
618a5230 | 1580 | /* fall through for not able to recover */ |
6b5151fd JS |
1581 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
1582 | "3152 Unrecoverable error, bring the port " | |
1583 | "offline\n"); | |
2fcee4bf JS |
1584 | lpfc_sli4_offline_eratt(phba); |
1585 | break; | |
1586 | case LPFC_SLI_INTF_IF_TYPE_1: | |
1587 | default: | |
1588 | break; | |
1589 | } | |
2e90f4b5 JS |
1590 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
1591 | "3123 Report dump event to upper layer\n"); | |
1592 | /* Send an internal error event to mgmt application */ | |
1593 | lpfc_board_errevt_to_mgmt(phba); | |
1594 | ||
1595 | event_data = FC_REG_DUMP_EVENT; | |
1596 | shost = lpfc_shost_from_vport(vport); | |
1597 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1598 | sizeof(event_data), (char *) &event_data, | |
1599 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
da0436e9 JS |
1600 | } |
1601 | ||
1602 | /** | |
1603 | * lpfc_handle_eratt - Wrapper func for handling hba error attention | |
1604 | * @phba: pointer to lpfc HBA data structure. | |
1605 | * | |
1606 | * This routine wraps the actual SLI3 or SLI4 hba error attention handling | |
1607 | * routine from the API jump table function pointer from the lpfc_hba struct. | |
1608 | * | |
1609 | * Return codes | |
af901ca1 | 1610 | * 0 - success. |
da0436e9 JS |
1611 | * Any other value - error. |
1612 | **/ | |
1613 | void | |
1614 | lpfc_handle_eratt(struct lpfc_hba *phba) | |
1615 | { | |
1616 | (*phba->lpfc_handle_eratt)(phba); | |
1617 | } | |
1618 | ||
e59058c4 | 1619 | /** |
3621a710 | 1620 | * lpfc_handle_latt - The HBA link event handler |
e59058c4 JS |
1621 | * @phba: pointer to lpfc hba data structure. |
1622 | * | |
1623 | * This routine is invoked from the worker thread to handle a HBA host | |
1624 | * attention link event. | |
1625 | **/ | |
dea3101e | 1626 | void |
2e0fef85 | 1627 | lpfc_handle_latt(struct lpfc_hba *phba) |
dea3101e | 1628 | { |
2e0fef85 JS |
1629 | struct lpfc_vport *vport = phba->pport; |
1630 | struct lpfc_sli *psli = &phba->sli; | |
dea3101e | 1631 | LPFC_MBOXQ_t *pmb; |
1632 | volatile uint32_t control; | |
1633 | struct lpfc_dmabuf *mp; | |
09372820 | 1634 | int rc = 0; |
dea3101e | 1635 | |
1636 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
09372820 JS |
1637 | if (!pmb) { |
1638 | rc = 1; | |
dea3101e | 1639 | goto lpfc_handle_latt_err_exit; |
09372820 | 1640 | } |
dea3101e | 1641 | |
1642 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
09372820 JS |
1643 | if (!mp) { |
1644 | rc = 2; | |
dea3101e | 1645 | goto lpfc_handle_latt_free_pmb; |
09372820 | 1646 | } |
dea3101e | 1647 | |
1648 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
09372820 JS |
1649 | if (!mp->virt) { |
1650 | rc = 3; | |
dea3101e | 1651 | goto lpfc_handle_latt_free_mp; |
09372820 | 1652 | } |
dea3101e | 1653 | |
6281bfe0 | 1654 | /* Cleanup any outstanding ELS commands */ |
549e55cd | 1655 | lpfc_els_flush_all_cmd(phba); |
dea3101e | 1656 | |
1657 | psli->slistat.link_event++; | |
76a95d75 JS |
1658 | lpfc_read_topology(phba, pmb, mp); |
1659 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; | |
2e0fef85 | 1660 | pmb->vport = vport; |
0d2b6b83 JS |
1661 | /* Block ELS IOCBs until we have processed this mbox command */ |
1662 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
0b727fea | 1663 | rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); |
09372820 JS |
1664 | if (rc == MBX_NOT_FINISHED) { |
1665 | rc = 4; | |
14691150 | 1666 | goto lpfc_handle_latt_free_mbuf; |
09372820 | 1667 | } |
dea3101e | 1668 | |
1669 | /* Clear Link Attention in HA REG */ | |
2e0fef85 | 1670 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1671 | writel(HA_LATT, phba->HAregaddr); |
1672 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 1673 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1674 | |
1675 | return; | |
1676 | ||
14691150 | 1677 | lpfc_handle_latt_free_mbuf: |
0d2b6b83 | 1678 | phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; |
14691150 | 1679 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e | 1680 | lpfc_handle_latt_free_mp: |
1681 | kfree(mp); | |
1682 | lpfc_handle_latt_free_pmb: | |
1dcb58e5 | 1683 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 1684 | lpfc_handle_latt_err_exit: |
1685 | /* Enable Link attention interrupts */ | |
2e0fef85 | 1686 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1687 | psli->sli_flag |= LPFC_PROCESS_LA; |
1688 | control = readl(phba->HCregaddr); | |
1689 | control |= HC_LAINT_ENA; | |
1690 | writel(control, phba->HCregaddr); | |
1691 | readl(phba->HCregaddr); /* flush */ | |
1692 | ||
1693 | /* Clear Link Attention in HA REG */ | |
1694 | writel(HA_LATT, phba->HAregaddr); | |
1695 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 1696 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1697 | lpfc_linkdown(phba); |
2e0fef85 | 1698 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 1699 | |
09372820 JS |
1700 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
1701 | "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); | |
dea3101e | 1702 | |
1703 | return; | |
1704 | } | |
1705 | ||
e59058c4 | 1706 | /** |
3621a710 | 1707 | * lpfc_parse_vpd - Parse VPD (Vital Product Data) |
e59058c4 JS |
1708 | * @phba: pointer to lpfc hba data structure. |
1709 | * @vpd: pointer to the vital product data. | |
1710 | * @len: length of the vital product data in bytes. | |
1711 | * | |
1712 | * This routine parses the Vital Product Data (VPD). The VPD is treated as | |
1713 | * an array of characters. In this routine, the ModelName, ProgramType, and | |
1714 | * ModelDesc, etc. fields of the phba data structure will be populated. | |
1715 | * | |
1716 | * Return codes | |
1717 | * 0 - pointer to the VPD passed in is NULL | |
1718 | * 1 - success | |
1719 | **/ | |
3772a991 | 1720 | int |
2e0fef85 | 1721 | lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) |
dea3101e | 1722 | { |
1723 | uint8_t lenlo, lenhi; | |
07da60c1 | 1724 | int Length; |
dea3101e | 1725 | int i, j; |
1726 | int finished = 0; | |
1727 | int index = 0; | |
1728 | ||
1729 | if (!vpd) | |
1730 | return 0; | |
1731 | ||
1732 | /* Vital Product */ | |
ed957684 | 1733 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 | 1734 | "0455 Vital Product Data: x%x x%x x%x x%x\n", |
dea3101e | 1735 | (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], |
1736 | (uint32_t) vpd[3]); | |
74b72a59 | 1737 | while (!finished && (index < (len - 4))) { |
dea3101e | 1738 | switch (vpd[index]) { |
1739 | case 0x82: | |
74b72a59 | 1740 | case 0x91: |
dea3101e | 1741 | index += 1; |
1742 | lenlo = vpd[index]; | |
1743 | index += 1; | |
1744 | lenhi = vpd[index]; | |
1745 | index += 1; | |
1746 | i = ((((unsigned short)lenhi) << 8) + lenlo); | |
1747 | index += i; | |
1748 | break; | |
1749 | case 0x90: | |
1750 | index += 1; | |
1751 | lenlo = vpd[index]; | |
1752 | index += 1; | |
1753 | lenhi = vpd[index]; | |
1754 | index += 1; | |
1755 | Length = ((((unsigned short)lenhi) << 8) + lenlo); | |
74b72a59 JW |
1756 | if (Length > len - index) |
1757 | Length = len - index; | |
dea3101e | 1758 | while (Length > 0) { |
1759 | /* Look for Serial Number */ | |
1760 | if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { | |
1761 | index += 2; | |
1762 | i = vpd[index]; | |
1763 | index += 1; | |
1764 | j = 0; | |
1765 | Length -= (3+i); | |
1766 | while(i--) { | |
1767 | phba->SerialNumber[j++] = vpd[index++]; | |
1768 | if (j == 31) | |
1769 | break; | |
1770 | } | |
1771 | phba->SerialNumber[j] = 0; | |
1772 | continue; | |
1773 | } | |
1774 | else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { | |
1775 | phba->vpd_flag |= VPD_MODEL_DESC; | |
1776 | index += 2; | |
1777 | i = vpd[index]; | |
1778 | index += 1; | |
1779 | j = 0; | |
1780 | Length -= (3+i); | |
1781 | while(i--) { | |
1782 | phba->ModelDesc[j++] = vpd[index++]; | |
1783 | if (j == 255) | |
1784 | break; | |
1785 | } | |
1786 | phba->ModelDesc[j] = 0; | |
1787 | continue; | |
1788 | } | |
1789 | else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { | |
1790 | phba->vpd_flag |= VPD_MODEL_NAME; | |
1791 | index += 2; | |
1792 | i = vpd[index]; | |
1793 | index += 1; | |
1794 | j = 0; | |
1795 | Length -= (3+i); | |
1796 | while(i--) { | |
1797 | phba->ModelName[j++] = vpd[index++]; | |
1798 | if (j == 79) | |
1799 | break; | |
1800 | } | |
1801 | phba->ModelName[j] = 0; | |
1802 | continue; | |
1803 | } | |
1804 | else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { | |
1805 | phba->vpd_flag |= VPD_PROGRAM_TYPE; | |
1806 | index += 2; | |
1807 | i = vpd[index]; | |
1808 | index += 1; | |
1809 | j = 0; | |
1810 | Length -= (3+i); | |
1811 | while(i--) { | |
1812 | phba->ProgramType[j++] = vpd[index++]; | |
1813 | if (j == 255) | |
1814 | break; | |
1815 | } | |
1816 | phba->ProgramType[j] = 0; | |
1817 | continue; | |
1818 | } | |
1819 | else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { | |
1820 | phba->vpd_flag |= VPD_PORT; | |
1821 | index += 2; | |
1822 | i = vpd[index]; | |
1823 | index += 1; | |
1824 | j = 0; | |
1825 | Length -= (3+i); | |
1826 | while(i--) { | |
cd1c8301 JS |
1827 | if ((phba->sli_rev == LPFC_SLI_REV4) && |
1828 | (phba->sli4_hba.pport_name_sta == | |
1829 | LPFC_SLI4_PPNAME_GET)) { | |
1830 | j++; | |
1831 | index++; | |
1832 | } else | |
1833 | phba->Port[j++] = vpd[index++]; | |
1834 | if (j == 19) | |
1835 | break; | |
dea3101e | 1836 | } |
cd1c8301 JS |
1837 | if ((phba->sli_rev != LPFC_SLI_REV4) || |
1838 | (phba->sli4_hba.pport_name_sta == | |
1839 | LPFC_SLI4_PPNAME_NON)) | |
1840 | phba->Port[j] = 0; | |
dea3101e | 1841 | continue; |
1842 | } | |
1843 | else { | |
1844 | index += 2; | |
1845 | i = vpd[index]; | |
1846 | index += 1; | |
1847 | index += i; | |
1848 | Length -= (3 + i); | |
1849 | } | |
1850 | } | |
1851 | finished = 0; | |
1852 | break; | |
1853 | case 0x78: | |
1854 | finished = 1; | |
1855 | break; | |
1856 | default: | |
1857 | index ++; | |
1858 | break; | |
1859 | } | |
74b72a59 | 1860 | } |
dea3101e | 1861 | |
1862 | return(1); | |
1863 | } | |
1864 | ||
e59058c4 | 1865 | /** |
3621a710 | 1866 | * lpfc_get_hba_model_desc - Retrieve HBA device model name and description |
e59058c4 JS |
1867 | * @phba: pointer to lpfc hba data structure. |
1868 | * @mdp: pointer to the data structure to hold the derived model name. | |
1869 | * @descp: pointer to the data structure to hold the derived description. | |
1870 | * | |
1871 | * This routine retrieves HBA's description based on its registered PCI device | |
1872 | * ID. The @descp passed into this function points to an array of 256 chars. It | |
1873 | * shall be returned with the model name, maximum speed, and the host bus type. | |
1874 | * The @mdp passed into this function points to an array of 80 chars. When the | |
1875 | * function returns, the @mdp will be filled with the model name. | |
1876 | **/ | |
dea3101e | 1877 | static void |
2e0fef85 | 1878 | lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) |
dea3101e | 1879 | { |
1880 | lpfc_vpd_t *vp; | |
fefcb2b6 | 1881 | uint16_t dev_id = phba->pcidev->device; |
74b72a59 | 1882 | int max_speed; |
84774a4d | 1883 | int GE = 0; |
da0436e9 | 1884 | int oneConnect = 0; /* default is not a oneConnect */ |
74b72a59 | 1885 | struct { |
a747c9ce JS |
1886 | char *name; |
1887 | char *bus; | |
1888 | char *function; | |
1889 | } m = {"<Unknown>", "", ""}; | |
74b72a59 JW |
1890 | |
1891 | if (mdp && mdp[0] != '\0' | |
1892 | && descp && descp[0] != '\0') | |
1893 | return; | |
1894 | ||
c0c11512 JS |
1895 | if (phba->lmt & LMT_16Gb) |
1896 | max_speed = 16; | |
1897 | else if (phba->lmt & LMT_10Gb) | |
74b72a59 JW |
1898 | max_speed = 10; |
1899 | else if (phba->lmt & LMT_8Gb) | |
1900 | max_speed = 8; | |
1901 | else if (phba->lmt & LMT_4Gb) | |
1902 | max_speed = 4; | |
1903 | else if (phba->lmt & LMT_2Gb) | |
1904 | max_speed = 2; | |
4169d868 | 1905 | else if (phba->lmt & LMT_1Gb) |
74b72a59 | 1906 | max_speed = 1; |
4169d868 JS |
1907 | else |
1908 | max_speed = 0; | |
dea3101e | 1909 | |
1910 | vp = &phba->vpd; | |
dea3101e | 1911 | |
e4adb204 | 1912 | switch (dev_id) { |
06325e74 | 1913 | case PCI_DEVICE_ID_FIREFLY: |
a747c9ce | 1914 | m = (typeof(m)){"LP6000", "PCI", "Fibre Channel Adapter"}; |
06325e74 | 1915 | break; |
dea3101e | 1916 | case PCI_DEVICE_ID_SUPERFLY: |
1917 | if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) | |
a747c9ce JS |
1918 | m = (typeof(m)){"LP7000", "PCI", |
1919 | "Fibre Channel Adapter"}; | |
dea3101e | 1920 | else |
a747c9ce JS |
1921 | m = (typeof(m)){"LP7000E", "PCI", |
1922 | "Fibre Channel Adapter"}; | |
dea3101e | 1923 | break; |
1924 | case PCI_DEVICE_ID_DRAGONFLY: | |
a747c9ce JS |
1925 | m = (typeof(m)){"LP8000", "PCI", |
1926 | "Fibre Channel Adapter"}; | |
dea3101e | 1927 | break; |
1928 | case PCI_DEVICE_ID_CENTAUR: | |
1929 | if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) | |
a747c9ce JS |
1930 | m = (typeof(m)){"LP9002", "PCI", |
1931 | "Fibre Channel Adapter"}; | |
dea3101e | 1932 | else |
a747c9ce JS |
1933 | m = (typeof(m)){"LP9000", "PCI", |
1934 | "Fibre Channel Adapter"}; | |
dea3101e | 1935 | break; |
1936 | case PCI_DEVICE_ID_RFLY: | |
a747c9ce JS |
1937 | m = (typeof(m)){"LP952", "PCI", |
1938 | "Fibre Channel Adapter"}; | |
dea3101e | 1939 | break; |
1940 | case PCI_DEVICE_ID_PEGASUS: | |
a747c9ce JS |
1941 | m = (typeof(m)){"LP9802", "PCI-X", |
1942 | "Fibre Channel Adapter"}; | |
dea3101e | 1943 | break; |
1944 | case PCI_DEVICE_ID_THOR: | |
a747c9ce JS |
1945 | m = (typeof(m)){"LP10000", "PCI-X", |
1946 | "Fibre Channel Adapter"}; | |
dea3101e | 1947 | break; |
1948 | case PCI_DEVICE_ID_VIPER: | |
a747c9ce JS |
1949 | m = (typeof(m)){"LPX1000", "PCI-X", |
1950 | "Fibre Channel Adapter"}; | |
dea3101e | 1951 | break; |
1952 | case PCI_DEVICE_ID_PFLY: | |
a747c9ce JS |
1953 | m = (typeof(m)){"LP982", "PCI-X", |
1954 | "Fibre Channel Adapter"}; | |
dea3101e | 1955 | break; |
1956 | case PCI_DEVICE_ID_TFLY: | |
a747c9ce JS |
1957 | m = (typeof(m)){"LP1050", "PCI-X", |
1958 | "Fibre Channel Adapter"}; | |
dea3101e | 1959 | break; |
1960 | case PCI_DEVICE_ID_HELIOS: | |
a747c9ce JS |
1961 | m = (typeof(m)){"LP11000", "PCI-X2", |
1962 | "Fibre Channel Adapter"}; | |
dea3101e | 1963 | break; |
e4adb204 | 1964 | case PCI_DEVICE_ID_HELIOS_SCSP: |
a747c9ce JS |
1965 | m = (typeof(m)){"LP11000-SP", "PCI-X2", |
1966 | "Fibre Channel Adapter"}; | |
e4adb204 JSEC |
1967 | break; |
1968 | case PCI_DEVICE_ID_HELIOS_DCSP: | |
a747c9ce JS |
1969 | m = (typeof(m)){"LP11002-SP", "PCI-X2", |
1970 | "Fibre Channel Adapter"}; | |
e4adb204 JSEC |
1971 | break; |
1972 | case PCI_DEVICE_ID_NEPTUNE: | |
a747c9ce | 1973 | m = (typeof(m)){"LPe1000", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 JSEC |
1974 | break; |
1975 | case PCI_DEVICE_ID_NEPTUNE_SCSP: | |
a747c9ce | 1976 | m = (typeof(m)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 JSEC |
1977 | break; |
1978 | case PCI_DEVICE_ID_NEPTUNE_DCSP: | |
a747c9ce | 1979 | m = (typeof(m)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 | 1980 | break; |
dea3101e | 1981 | case PCI_DEVICE_ID_BMID: |
a747c9ce | 1982 | m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"}; |
dea3101e | 1983 | break; |
1984 | case PCI_DEVICE_ID_BSMB: | |
a747c9ce | 1985 | m = (typeof(m)){"LP111", "PCI-X2", "Fibre Channel Adapter"}; |
dea3101e | 1986 | break; |
1987 | case PCI_DEVICE_ID_ZEPHYR: | |
a747c9ce | 1988 | m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"}; |
dea3101e | 1989 | break; |
e4adb204 | 1990 | case PCI_DEVICE_ID_ZEPHYR_SCSP: |
a747c9ce | 1991 | m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 JSEC |
1992 | break; |
1993 | case PCI_DEVICE_ID_ZEPHYR_DCSP: | |
a747c9ce | 1994 | m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"}; |
a257bf90 | 1995 | GE = 1; |
e4adb204 | 1996 | break; |
dea3101e | 1997 | case PCI_DEVICE_ID_ZMID: |
a747c9ce | 1998 | m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"}; |
dea3101e | 1999 | break; |
2000 | case PCI_DEVICE_ID_ZSMB: | |
a747c9ce | 2001 | m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"}; |
dea3101e | 2002 | break; |
2003 | case PCI_DEVICE_ID_LP101: | |
a747c9ce | 2004 | m = (typeof(m)){"LP101", "PCI-X", "Fibre Channel Adapter"}; |
dea3101e | 2005 | break; |
2006 | case PCI_DEVICE_ID_LP10000S: | |
a747c9ce | 2007 | m = (typeof(m)){"LP10000-S", "PCI", "Fibre Channel Adapter"}; |
06325e74 | 2008 | break; |
e4adb204 | 2009 | case PCI_DEVICE_ID_LP11000S: |
a747c9ce | 2010 | m = (typeof(m)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"}; |
18a3b596 | 2011 | break; |
e4adb204 | 2012 | case PCI_DEVICE_ID_LPE11000S: |
a747c9ce | 2013 | m = (typeof(m)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"}; |
5cc36b3c | 2014 | break; |
b87eab38 | 2015 | case PCI_DEVICE_ID_SAT: |
a747c9ce | 2016 | m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2017 | break; |
2018 | case PCI_DEVICE_ID_SAT_MID: | |
a747c9ce | 2019 | m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2020 | break; |
2021 | case PCI_DEVICE_ID_SAT_SMB: | |
a747c9ce | 2022 | m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2023 | break; |
2024 | case PCI_DEVICE_ID_SAT_DCSP: | |
a747c9ce | 2025 | m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2026 | break; |
2027 | case PCI_DEVICE_ID_SAT_SCSP: | |
a747c9ce | 2028 | m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
2029 | break; |
2030 | case PCI_DEVICE_ID_SAT_S: | |
a747c9ce | 2031 | m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 | 2032 | break; |
84774a4d | 2033 | case PCI_DEVICE_ID_HORNET: |
a747c9ce | 2034 | m = (typeof(m)){"LP21000", "PCIe", "FCoE Adapter"}; |
84774a4d JS |
2035 | GE = 1; |
2036 | break; | |
2037 | case PCI_DEVICE_ID_PROTEUS_VF: | |
a747c9ce JS |
2038 | m = (typeof(m)){"LPev12000", "PCIe IOV", |
2039 | "Fibre Channel Adapter"}; | |
84774a4d JS |
2040 | break; |
2041 | case PCI_DEVICE_ID_PROTEUS_PF: | |
a747c9ce JS |
2042 | m = (typeof(m)){"LPev12000", "PCIe IOV", |
2043 | "Fibre Channel Adapter"}; | |
84774a4d JS |
2044 | break; |
2045 | case PCI_DEVICE_ID_PROTEUS_S: | |
a747c9ce JS |
2046 | m = (typeof(m)){"LPemv12002-S", "PCIe IOV", |
2047 | "Fibre Channel Adapter"}; | |
84774a4d | 2048 | break; |
da0436e9 JS |
2049 | case PCI_DEVICE_ID_TIGERSHARK: |
2050 | oneConnect = 1; | |
a747c9ce | 2051 | m = (typeof(m)){"OCe10100", "PCIe", "FCoE"}; |
da0436e9 | 2052 | break; |
a747c9ce | 2053 | case PCI_DEVICE_ID_TOMCAT: |
6669f9bb | 2054 | oneConnect = 1; |
a747c9ce JS |
2055 | m = (typeof(m)){"OCe11100", "PCIe", "FCoE"}; |
2056 | break; | |
2057 | case PCI_DEVICE_ID_FALCON: | |
2058 | m = (typeof(m)){"LPSe12002-ML1-E", "PCIe", | |
2059 | "EmulexSecure Fibre"}; | |
6669f9bb | 2060 | break; |
98fc5dd9 JS |
2061 | case PCI_DEVICE_ID_BALIUS: |
2062 | m = (typeof(m)){"LPVe12002", "PCIe Shared I/O", | |
2063 | "Fibre Channel Adapter"}; | |
2064 | break; | |
085c647c | 2065 | case PCI_DEVICE_ID_LANCER_FC: |
c0c11512 JS |
2066 | case PCI_DEVICE_ID_LANCER_FC_VF: |
2067 | m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"}; | |
085c647c JS |
2068 | break; |
2069 | case PCI_DEVICE_ID_LANCER_FCOE: | |
c0c11512 | 2070 | case PCI_DEVICE_ID_LANCER_FCOE_VF: |
085c647c | 2071 | oneConnect = 1; |
079b5c91 | 2072 | m = (typeof(m)){"OCe15100", "PCIe", "FCoE"}; |
085c647c | 2073 | break; |
f8cafd38 JS |
2074 | case PCI_DEVICE_ID_SKYHAWK: |
2075 | case PCI_DEVICE_ID_SKYHAWK_VF: | |
2076 | oneConnect = 1; | |
2077 | m = (typeof(m)){"OCe14000", "PCIe", "FCoE"}; | |
2078 | break; | |
5cc36b3c | 2079 | default: |
a747c9ce | 2080 | m = (typeof(m)){"Unknown", "", ""}; |
e4adb204 | 2081 | break; |
dea3101e | 2082 | } |
74b72a59 JW |
2083 | |
2084 | if (mdp && mdp[0] == '\0') | |
2085 | snprintf(mdp, 79,"%s", m.name); | |
c0c11512 JS |
2086 | /* |
2087 | * oneConnect hba requires special processing, they are all initiators | |
da0436e9 JS |
2088 | * and we put the port number on the end |
2089 | */ | |
2090 | if (descp && descp[0] == '\0') { | |
2091 | if (oneConnect) | |
2092 | snprintf(descp, 255, | |
4169d868 | 2093 | "Emulex OneConnect %s, %s Initiator %s", |
a747c9ce | 2094 | m.name, m.function, |
da0436e9 | 2095 | phba->Port); |
4169d868 JS |
2096 | else if (max_speed == 0) |
2097 | snprintf(descp, 255, | |
2098 | "Emulex %s %s %s ", | |
2099 | m.name, m.bus, m.function); | |
da0436e9 JS |
2100 | else |
2101 | snprintf(descp, 255, | |
2102 | "Emulex %s %d%s %s %s", | |
a747c9ce JS |
2103 | m.name, max_speed, (GE) ? "GE" : "Gb", |
2104 | m.bus, m.function); | |
da0436e9 | 2105 | } |
dea3101e | 2106 | } |
2107 | ||
e59058c4 | 2108 | /** |
3621a710 | 2109 | * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring |
e59058c4 JS |
2110 | * @phba: pointer to lpfc hba data structure. |
2111 | * @pring: pointer to a IOCB ring. | |
2112 | * @cnt: the number of IOCBs to be posted to the IOCB ring. | |
2113 | * | |
2114 | * This routine posts a given number of IOCBs with the associated DMA buffer | |
2115 | * descriptors specified by the cnt argument to the given IOCB ring. | |
2116 | * | |
2117 | * Return codes | |
2118 | * The number of IOCBs NOT able to be posted to the IOCB ring. | |
2119 | **/ | |
dea3101e | 2120 | int |
495a714c | 2121 | lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) |
dea3101e | 2122 | { |
2123 | IOCB_t *icmd; | |
0bd4ca25 | 2124 | struct lpfc_iocbq *iocb; |
dea3101e | 2125 | struct lpfc_dmabuf *mp1, *mp2; |
2126 | ||
2127 | cnt += pring->missbufcnt; | |
2128 | ||
2129 | /* While there are buffers to post */ | |
2130 | while (cnt > 0) { | |
2131 | /* Allocate buffer for command iocb */ | |
0bd4ca25 | 2132 | iocb = lpfc_sli_get_iocbq(phba); |
dea3101e | 2133 | if (iocb == NULL) { |
2134 | pring->missbufcnt = cnt; | |
2135 | return cnt; | |
2136 | } | |
dea3101e | 2137 | icmd = &iocb->iocb; |
2138 | ||
2139 | /* 2 buffers can be posted per command */ | |
2140 | /* Allocate buffer to post */ | |
2141 | mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
2142 | if (mp1) | |
98c9ea5c JS |
2143 | mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); |
2144 | if (!mp1 || !mp1->virt) { | |
c9475cb0 | 2145 | kfree(mp1); |
604a3e30 | 2146 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 2147 | pring->missbufcnt = cnt; |
2148 | return cnt; | |
2149 | } | |
2150 | ||
2151 | INIT_LIST_HEAD(&mp1->list); | |
2152 | /* Allocate buffer to post */ | |
2153 | if (cnt > 1) { | |
2154 | mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
2155 | if (mp2) | |
2156 | mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
2157 | &mp2->phys); | |
98c9ea5c | 2158 | if (!mp2 || !mp2->virt) { |
c9475cb0 | 2159 | kfree(mp2); |
dea3101e | 2160 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
2161 | kfree(mp1); | |
604a3e30 | 2162 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 2163 | pring->missbufcnt = cnt; |
2164 | return cnt; | |
2165 | } | |
2166 | ||
2167 | INIT_LIST_HEAD(&mp2->list); | |
2168 | } else { | |
2169 | mp2 = NULL; | |
2170 | } | |
2171 | ||
2172 | icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); | |
2173 | icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); | |
2174 | icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; | |
2175 | icmd->ulpBdeCount = 1; | |
2176 | cnt--; | |
2177 | if (mp2) { | |
2178 | icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); | |
2179 | icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); | |
2180 | icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; | |
2181 | cnt--; | |
2182 | icmd->ulpBdeCount = 2; | |
2183 | } | |
2184 | ||
2185 | icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; | |
2186 | icmd->ulpLe = 1; | |
2187 | ||
3772a991 JS |
2188 | if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) == |
2189 | IOCB_ERROR) { | |
dea3101e | 2190 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
2191 | kfree(mp1); | |
2192 | cnt++; | |
2193 | if (mp2) { | |
2194 | lpfc_mbuf_free(phba, mp2->virt, mp2->phys); | |
2195 | kfree(mp2); | |
2196 | cnt++; | |
2197 | } | |
604a3e30 | 2198 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 2199 | pring->missbufcnt = cnt; |
dea3101e | 2200 | return cnt; |
2201 | } | |
dea3101e | 2202 | lpfc_sli_ringpostbuf_put(phba, pring, mp1); |
92d7f7b0 | 2203 | if (mp2) |
dea3101e | 2204 | lpfc_sli_ringpostbuf_put(phba, pring, mp2); |
dea3101e | 2205 | } |
2206 | pring->missbufcnt = 0; | |
2207 | return 0; | |
2208 | } | |
2209 | ||
e59058c4 | 2210 | /** |
3621a710 | 2211 | * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring |
e59058c4 JS |
2212 | * @phba: pointer to lpfc hba data structure. |
2213 | * | |
2214 | * This routine posts initial receive IOCB buffers to the ELS ring. The | |
2215 | * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is | |
2216 | * set to 64 IOCBs. | |
2217 | * | |
2218 | * Return codes | |
2219 | * 0 - success (currently always success) | |
2220 | **/ | |
dea3101e | 2221 | static int |
2e0fef85 | 2222 | lpfc_post_rcv_buf(struct lpfc_hba *phba) |
dea3101e | 2223 | { |
2224 | struct lpfc_sli *psli = &phba->sli; | |
2225 | ||
2226 | /* Ring 0, ELS / CT buffers */ | |
495a714c | 2227 | lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0); |
dea3101e | 2228 | /* Ring 2 - FCP no buffers needed */ |
2229 | ||
2230 | return 0; | |
2231 | } | |
2232 | ||
2233 | #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) | |
2234 | ||
e59058c4 | 2235 | /** |
3621a710 | 2236 | * lpfc_sha_init - Set up initial array of hash table entries |
e59058c4 JS |
2237 | * @HashResultPointer: pointer to an array as hash table. |
2238 | * | |
2239 | * This routine sets up the initial values to the array of hash table entries | |
2240 | * for the LC HBAs. | |
2241 | **/ | |
dea3101e | 2242 | static void |
2243 | lpfc_sha_init(uint32_t * HashResultPointer) | |
2244 | { | |
2245 | HashResultPointer[0] = 0x67452301; | |
2246 | HashResultPointer[1] = 0xEFCDAB89; | |
2247 | HashResultPointer[2] = 0x98BADCFE; | |
2248 | HashResultPointer[3] = 0x10325476; | |
2249 | HashResultPointer[4] = 0xC3D2E1F0; | |
2250 | } | |
2251 | ||
e59058c4 | 2252 | /** |
3621a710 | 2253 | * lpfc_sha_iterate - Iterate initial hash table with the working hash table |
e59058c4 JS |
2254 | * @HashResultPointer: pointer to an initial/result hash table. |
2255 | * @HashWorkingPointer: pointer to an working hash table. | |
2256 | * | |
2257 | * This routine iterates an initial hash table pointed by @HashResultPointer | |
2258 | * with the values from the working hash table pointeed by @HashWorkingPointer. | |
2259 | * The results are putting back to the initial hash table, returned through | |
2260 | * the @HashResultPointer as the result hash table. | |
2261 | **/ | |
dea3101e | 2262 | static void |
2263 | lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) | |
2264 | { | |
2265 | int t; | |
2266 | uint32_t TEMP; | |
2267 | uint32_t A, B, C, D, E; | |
2268 | t = 16; | |
2269 | do { | |
2270 | HashWorkingPointer[t] = | |
2271 | S(1, | |
2272 | HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - | |
2273 | 8] ^ | |
2274 | HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); | |
2275 | } while (++t <= 79); | |
2276 | t = 0; | |
2277 | A = HashResultPointer[0]; | |
2278 | B = HashResultPointer[1]; | |
2279 | C = HashResultPointer[2]; | |
2280 | D = HashResultPointer[3]; | |
2281 | E = HashResultPointer[4]; | |
2282 | ||
2283 | do { | |
2284 | if (t < 20) { | |
2285 | TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; | |
2286 | } else if (t < 40) { | |
2287 | TEMP = (B ^ C ^ D) + 0x6ED9EBA1; | |
2288 | } else if (t < 60) { | |
2289 | TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; | |
2290 | } else { | |
2291 | TEMP = (B ^ C ^ D) + 0xCA62C1D6; | |
2292 | } | |
2293 | TEMP += S(5, A) + E + HashWorkingPointer[t]; | |
2294 | E = D; | |
2295 | D = C; | |
2296 | C = S(30, B); | |
2297 | B = A; | |
2298 | A = TEMP; | |
2299 | } while (++t <= 79); | |
2300 | ||
2301 | HashResultPointer[0] += A; | |
2302 | HashResultPointer[1] += B; | |
2303 | HashResultPointer[2] += C; | |
2304 | HashResultPointer[3] += D; | |
2305 | HashResultPointer[4] += E; | |
2306 | ||
2307 | } | |
2308 | ||
e59058c4 | 2309 | /** |
3621a710 | 2310 | * lpfc_challenge_key - Create challenge key based on WWPN of the HBA |
e59058c4 JS |
2311 | * @RandomChallenge: pointer to the entry of host challenge random number array. |
2312 | * @HashWorking: pointer to the entry of the working hash array. | |
2313 | * | |
2314 | * This routine calculates the working hash array referred by @HashWorking | |
2315 | * from the challenge random numbers associated with the host, referred by | |
2316 | * @RandomChallenge. The result is put into the entry of the working hash | |
2317 | * array and returned by reference through @HashWorking. | |
2318 | **/ | |
dea3101e | 2319 | static void |
2320 | lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) | |
2321 | { | |
2322 | *HashWorking = (*RandomChallenge ^ *HashWorking); | |
2323 | } | |
2324 | ||
e59058c4 | 2325 | /** |
3621a710 | 2326 | * lpfc_hba_init - Perform special handling for LC HBA initialization |
e59058c4 JS |
2327 | * @phba: pointer to lpfc hba data structure. |
2328 | * @hbainit: pointer to an array of unsigned 32-bit integers. | |
2329 | * | |
2330 | * This routine performs the special handling for LC HBA initialization. | |
2331 | **/ | |
dea3101e | 2332 | void |
2333 | lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) | |
2334 | { | |
2335 | int t; | |
2336 | uint32_t *HashWorking; | |
2e0fef85 | 2337 | uint32_t *pwwnn = (uint32_t *) phba->wwnn; |
dea3101e | 2338 | |
bbfbbbc1 | 2339 | HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); |
dea3101e | 2340 | if (!HashWorking) |
2341 | return; | |
2342 | ||
dea3101e | 2343 | HashWorking[0] = HashWorking[78] = *pwwnn++; |
2344 | HashWorking[1] = HashWorking[79] = *pwwnn; | |
2345 | ||
2346 | for (t = 0; t < 7; t++) | |
2347 | lpfc_challenge_key(phba->RandomData + t, HashWorking + t); | |
2348 | ||
2349 | lpfc_sha_init(hbainit); | |
2350 | lpfc_sha_iterate(hbainit, HashWorking); | |
2351 | kfree(HashWorking); | |
2352 | } | |
2353 | ||
e59058c4 | 2354 | /** |
3621a710 | 2355 | * lpfc_cleanup - Performs vport cleanups before deleting a vport |
e59058c4 JS |
2356 | * @vport: pointer to a virtual N_Port data structure. |
2357 | * | |
2358 | * This routine performs the necessary cleanups before deleting the @vport. | |
2359 | * It invokes the discovery state machine to perform necessary state | |
2360 | * transitions and to release the ndlps associated with the @vport. Note, | |
2361 | * the physical port is treated as @vport 0. | |
2362 | **/ | |
87af33fe | 2363 | void |
2e0fef85 | 2364 | lpfc_cleanup(struct lpfc_vport *vport) |
dea3101e | 2365 | { |
87af33fe | 2366 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2367 | struct lpfc_nodelist *ndlp, *next_ndlp; |
a8adb832 | 2368 | int i = 0; |
dea3101e | 2369 | |
87af33fe JS |
2370 | if (phba->link_state > LPFC_LINK_DOWN) |
2371 | lpfc_port_link_failure(vport); | |
2372 | ||
2373 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
2374 | if (!NLP_CHK_NODE_ACT(ndlp)) { |
2375 | ndlp = lpfc_enable_node(vport, ndlp, | |
2376 | NLP_STE_UNUSED_NODE); | |
2377 | if (!ndlp) | |
2378 | continue; | |
2379 | spin_lock_irq(&phba->ndlp_lock); | |
2380 | NLP_SET_FREE_REQ(ndlp); | |
2381 | spin_unlock_irq(&phba->ndlp_lock); | |
2382 | /* Trigger the release of the ndlp memory */ | |
2383 | lpfc_nlp_put(ndlp); | |
2384 | continue; | |
2385 | } | |
2386 | spin_lock_irq(&phba->ndlp_lock); | |
2387 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
2388 | /* The ndlp should not be in memory free mode already */ | |
2389 | spin_unlock_irq(&phba->ndlp_lock); | |
2390 | continue; | |
2391 | } else | |
2392 | /* Indicate request for freeing ndlp memory */ | |
2393 | NLP_SET_FREE_REQ(ndlp); | |
2394 | spin_unlock_irq(&phba->ndlp_lock); | |
2395 | ||
58da1ffb JS |
2396 | if (vport->port_type != LPFC_PHYSICAL_PORT && |
2397 | ndlp->nlp_DID == Fabric_DID) { | |
2398 | /* Just free up ndlp with Fabric_DID for vports */ | |
2399 | lpfc_nlp_put(ndlp); | |
2400 | continue; | |
2401 | } | |
2402 | ||
eff4a01b JS |
2403 | /* take care of nodes in unused state before the state |
2404 | * machine taking action. | |
2405 | */ | |
2406 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) { | |
2407 | lpfc_nlp_put(ndlp); | |
2408 | continue; | |
2409 | } | |
2410 | ||
87af33fe JS |
2411 | if (ndlp->nlp_type & NLP_FABRIC) |
2412 | lpfc_disc_state_machine(vport, ndlp, NULL, | |
2413 | NLP_EVT_DEVICE_RECOVERY); | |
e47c9093 | 2414 | |
87af33fe JS |
2415 | lpfc_disc_state_machine(vport, ndlp, NULL, |
2416 | NLP_EVT_DEVICE_RM); | |
2417 | } | |
2418 | ||
a8adb832 JS |
2419 | /* At this point, ALL ndlp's should be gone |
2420 | * because of the previous NLP_EVT_DEVICE_RM. | |
2421 | * Lets wait for this to happen, if needed. | |
2422 | */ | |
87af33fe | 2423 | while (!list_empty(&vport->fc_nodes)) { |
a8adb832 | 2424 | if (i++ > 3000) { |
87af33fe | 2425 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
a8adb832 | 2426 | "0233 Nodelist not empty\n"); |
e47c9093 JS |
2427 | list_for_each_entry_safe(ndlp, next_ndlp, |
2428 | &vport->fc_nodes, nlp_listp) { | |
2429 | lpfc_printf_vlog(ndlp->vport, KERN_ERR, | |
2430 | LOG_NODE, | |
d7c255b2 | 2431 | "0282 did:x%x ndlp:x%p " |
e47c9093 JS |
2432 | "usgmap:x%x refcnt:%d\n", |
2433 | ndlp->nlp_DID, (void *)ndlp, | |
2434 | ndlp->nlp_usg_map, | |
2435 | atomic_read( | |
2436 | &ndlp->kref.refcount)); | |
2437 | } | |
a8adb832 | 2438 | break; |
87af33fe | 2439 | } |
a8adb832 JS |
2440 | |
2441 | /* Wait for any activity on ndlps to settle */ | |
2442 | msleep(10); | |
87af33fe | 2443 | } |
1151e3ec | 2444 | lpfc_cleanup_vports_rrqs(vport, NULL); |
dea3101e | 2445 | } |
2446 | ||
e59058c4 | 2447 | /** |
3621a710 | 2448 | * lpfc_stop_vport_timers - Stop all the timers associated with a vport |
e59058c4 JS |
2449 | * @vport: pointer to a virtual N_Port data structure. |
2450 | * | |
2451 | * This routine stops all the timers associated with a @vport. This function | |
2452 | * is invoked before disabling or deleting a @vport. Note that the physical | |
2453 | * port is treated as @vport 0. | |
2454 | **/ | |
92d7f7b0 JS |
2455 | void |
2456 | lpfc_stop_vport_timers(struct lpfc_vport *vport) | |
dea3101e | 2457 | { |
92d7f7b0 JS |
2458 | del_timer_sync(&vport->els_tmofunc); |
2459 | del_timer_sync(&vport->fc_fdmitmo); | |
92494144 | 2460 | del_timer_sync(&vport->delayed_disc_tmo); |
92d7f7b0 JS |
2461 | lpfc_can_disctmo(vport); |
2462 | return; | |
dea3101e | 2463 | } |
2464 | ||
ecfd03c6 JS |
2465 | /** |
2466 | * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer | |
2467 | * @phba: pointer to lpfc hba data structure. | |
2468 | * | |
2469 | * This routine stops the SLI4 FCF rediscover wait timer if it's on. The | |
2470 | * caller of this routine should already hold the host lock. | |
2471 | **/ | |
2472 | void | |
2473 | __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba) | |
2474 | { | |
5ac6b303 JS |
2475 | /* Clear pending FCF rediscovery wait flag */ |
2476 | phba->fcf.fcf_flag &= ~FCF_REDISC_PEND; | |
2477 | ||
ecfd03c6 JS |
2478 | /* Now, try to stop the timer */ |
2479 | del_timer(&phba->fcf.redisc_wait); | |
2480 | } | |
2481 | ||
2482 | /** | |
2483 | * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer | |
2484 | * @phba: pointer to lpfc hba data structure. | |
2485 | * | |
2486 | * This routine stops the SLI4 FCF rediscover wait timer if it's on. It | |
2487 | * checks whether the FCF rediscovery wait timer is pending with the host | |
2488 | * lock held before proceeding with disabling the timer and clearing the | |
2489 | * wait timer pendig flag. | |
2490 | **/ | |
2491 | void | |
2492 | lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba) | |
2493 | { | |
2494 | spin_lock_irq(&phba->hbalock); | |
2495 | if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) { | |
2496 | /* FCF rediscovery timer already fired or stopped */ | |
2497 | spin_unlock_irq(&phba->hbalock); | |
2498 | return; | |
2499 | } | |
2500 | __lpfc_sli4_stop_fcf_redisc_wait_timer(phba); | |
5ac6b303 JS |
2501 | /* Clear failover in progress flags */ |
2502 | phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC); | |
ecfd03c6 JS |
2503 | spin_unlock_irq(&phba->hbalock); |
2504 | } | |
2505 | ||
e59058c4 | 2506 | /** |
3772a991 | 2507 | * lpfc_stop_hba_timers - Stop all the timers associated with an HBA |
e59058c4 JS |
2508 | * @phba: pointer to lpfc hba data structure. |
2509 | * | |
2510 | * This routine stops all the timers associated with a HBA. This function is | |
2511 | * invoked before either putting a HBA offline or unloading the driver. | |
2512 | **/ | |
3772a991 JS |
2513 | void |
2514 | lpfc_stop_hba_timers(struct lpfc_hba *phba) | |
dea3101e | 2515 | { |
51ef4c26 | 2516 | lpfc_stop_vport_timers(phba->pport); |
2e0fef85 | 2517 | del_timer_sync(&phba->sli.mbox_tmo); |
92d7f7b0 | 2518 | del_timer_sync(&phba->fabric_block_timer); |
9399627f | 2519 | del_timer_sync(&phba->eratt_poll); |
3772a991 | 2520 | del_timer_sync(&phba->hb_tmofunc); |
1151e3ec JS |
2521 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2522 | del_timer_sync(&phba->rrq_tmr); | |
2523 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
2524 | } | |
3772a991 JS |
2525 | phba->hb_outstanding = 0; |
2526 | ||
2527 | switch (phba->pci_dev_grp) { | |
2528 | case LPFC_PCI_DEV_LP: | |
2529 | /* Stop any LightPulse device specific driver timers */ | |
2530 | del_timer_sync(&phba->fcp_poll_timer); | |
2531 | break; | |
2532 | case LPFC_PCI_DEV_OC: | |
2533 | /* Stop any OneConnect device sepcific driver timers */ | |
ecfd03c6 | 2534 | lpfc_sli4_stop_fcf_redisc_wait_timer(phba); |
3772a991 JS |
2535 | break; |
2536 | default: | |
2537 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2538 | "0297 Invalid device group (x%x)\n", | |
2539 | phba->pci_dev_grp); | |
2540 | break; | |
2541 | } | |
2e0fef85 | 2542 | return; |
dea3101e | 2543 | } |
2544 | ||
e59058c4 | 2545 | /** |
3621a710 | 2546 | * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked |
e59058c4 JS |
2547 | * @phba: pointer to lpfc hba data structure. |
2548 | * | |
2549 | * This routine marks a HBA's management interface as blocked. Once the HBA's | |
2550 | * management interface is marked as blocked, all the user space access to | |
2551 | * the HBA, whether they are from sysfs interface or libdfc interface will | |
2552 | * all be blocked. The HBA is set to block the management interface when the | |
2553 | * driver prepares the HBA interface for online or offline. | |
2554 | **/ | |
a6ababd2 | 2555 | static void |
618a5230 | 2556 | lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action) |
a6ababd2 AB |
2557 | { |
2558 | unsigned long iflag; | |
6e7288d9 JS |
2559 | uint8_t actcmd = MBX_HEARTBEAT; |
2560 | unsigned long timeout; | |
2561 | ||
a6ababd2 AB |
2562 | spin_lock_irqsave(&phba->hbalock, iflag); |
2563 | phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; | |
618a5230 JS |
2564 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
2565 | if (mbx_action == LPFC_MBX_NO_WAIT) | |
2566 | return; | |
2567 | timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies; | |
2568 | spin_lock_irqsave(&phba->hbalock, iflag); | |
a183a15f | 2569 | if (phba->sli.mbox_active) { |
6e7288d9 | 2570 | actcmd = phba->sli.mbox_active->u.mb.mbxCommand; |
a183a15f JS |
2571 | /* Determine how long we might wait for the active mailbox |
2572 | * command to be gracefully completed by firmware. | |
2573 | */ | |
2574 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, | |
2575 | phba->sli.mbox_active) * 1000) + jiffies; | |
2576 | } | |
a6ababd2 | 2577 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a183a15f | 2578 | |
6e7288d9 JS |
2579 | /* Wait for the outstnading mailbox command to complete */ |
2580 | while (phba->sli.mbox_active) { | |
2581 | /* Check active mailbox complete status every 2ms */ | |
2582 | msleep(2); | |
2583 | if (time_after(jiffies, timeout)) { | |
2584 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2585 | "2813 Mgmt IO is Blocked %x " | |
2586 | "- mbox cmd %x still active\n", | |
2587 | phba->sli.sli_flag, actcmd); | |
2588 | break; | |
2589 | } | |
2590 | } | |
a6ababd2 AB |
2591 | } |
2592 | ||
6b5151fd JS |
2593 | /** |
2594 | * lpfc_sli4_node_prep - Assign RPIs for active nodes. | |
2595 | * @phba: pointer to lpfc hba data structure. | |
2596 | * | |
2597 | * Allocate RPIs for all active remote nodes. This is needed whenever | |
2598 | * an SLI4 adapter is reset and the driver is not unloading. Its purpose | |
2599 | * is to fixup the temporary rpi assignments. | |
2600 | **/ | |
2601 | void | |
2602 | lpfc_sli4_node_prep(struct lpfc_hba *phba) | |
2603 | { | |
2604 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2605 | struct lpfc_vport **vports; | |
2606 | int i; | |
2607 | ||
2608 | if (phba->sli_rev != LPFC_SLI_REV4) | |
2609 | return; | |
2610 | ||
2611 | vports = lpfc_create_vport_work_array(phba); | |
2612 | if (vports != NULL) { | |
2613 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
2614 | if (vports[i]->load_flag & FC_UNLOADING) | |
2615 | continue; | |
2616 | ||
2617 | list_for_each_entry_safe(ndlp, next_ndlp, | |
2618 | &vports[i]->fc_nodes, | |
2619 | nlp_listp) { | |
2620 | if (NLP_CHK_NODE_ACT(ndlp)) | |
2621 | ndlp->nlp_rpi = | |
2622 | lpfc_sli4_alloc_rpi(phba); | |
2623 | } | |
2624 | } | |
2625 | } | |
2626 | lpfc_destroy_vport_work_array(phba, vports); | |
2627 | } | |
2628 | ||
e59058c4 | 2629 | /** |
3621a710 | 2630 | * lpfc_online - Initialize and bring a HBA online |
e59058c4 JS |
2631 | * @phba: pointer to lpfc hba data structure. |
2632 | * | |
2633 | * This routine initializes the HBA and brings a HBA online. During this | |
2634 | * process, the management interface is blocked to prevent user space access | |
2635 | * to the HBA interfering with the driver initialization. | |
2636 | * | |
2637 | * Return codes | |
2638 | * 0 - successful | |
2639 | * 1 - failed | |
2640 | **/ | |
dea3101e | 2641 | int |
2e0fef85 | 2642 | lpfc_online(struct lpfc_hba *phba) |
dea3101e | 2643 | { |
372bd282 | 2644 | struct lpfc_vport *vport; |
549e55cd JS |
2645 | struct lpfc_vport **vports; |
2646 | int i; | |
16a3a208 | 2647 | bool vpis_cleared = false; |
2e0fef85 | 2648 | |
dea3101e | 2649 | if (!phba) |
2650 | return 0; | |
372bd282 | 2651 | vport = phba->pport; |
dea3101e | 2652 | |
2e0fef85 | 2653 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) |
dea3101e | 2654 | return 0; |
2655 | ||
ed957684 | 2656 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 2657 | "0458 Bring Adapter online\n"); |
dea3101e | 2658 | |
618a5230 | 2659 | lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT); |
46fa311e JS |
2660 | |
2661 | if (!lpfc_sli_queue_setup(phba)) { | |
2662 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 2663 | return 1; |
46fa311e | 2664 | } |
dea3101e | 2665 | |
da0436e9 JS |
2666 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2667 | if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */ | |
2668 | lpfc_unblock_mgmt_io(phba); | |
2669 | return 1; | |
2670 | } | |
16a3a208 JS |
2671 | spin_lock_irq(&phba->hbalock); |
2672 | if (!phba->sli4_hba.max_cfg_param.vpi_used) | |
2673 | vpis_cleared = true; | |
2674 | spin_unlock_irq(&phba->hbalock); | |
da0436e9 JS |
2675 | } else { |
2676 | if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */ | |
2677 | lpfc_unblock_mgmt_io(phba); | |
2678 | return 1; | |
2679 | } | |
46fa311e | 2680 | } |
dea3101e | 2681 | |
549e55cd JS |
2682 | vports = lpfc_create_vport_work_array(phba); |
2683 | if (vports != NULL) | |
da0436e9 | 2684 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd JS |
2685 | struct Scsi_Host *shost; |
2686 | shost = lpfc_shost_from_vport(vports[i]); | |
2687 | spin_lock_irq(shost->host_lock); | |
2688 | vports[i]->fc_flag &= ~FC_OFFLINE_MODE; | |
2689 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
2690 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
16a3a208 | 2691 | if (phba->sli_rev == LPFC_SLI_REV4) { |
1c6834a7 | 2692 | vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; |
16a3a208 JS |
2693 | if ((vpis_cleared) && |
2694 | (vports[i]->port_type != | |
2695 | LPFC_PHYSICAL_PORT)) | |
2696 | vports[i]->vpi = 0; | |
2697 | } | |
549e55cd JS |
2698 | spin_unlock_irq(shost->host_lock); |
2699 | } | |
09372820 | 2700 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 2701 | |
46fa311e | 2702 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 2703 | return 0; |
2704 | } | |
2705 | ||
e59058c4 | 2706 | /** |
3621a710 | 2707 | * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked |
e59058c4 JS |
2708 | * @phba: pointer to lpfc hba data structure. |
2709 | * | |
2710 | * This routine marks a HBA's management interface as not blocked. Once the | |
2711 | * HBA's management interface is marked as not blocked, all the user space | |
2712 | * access to the HBA, whether they are from sysfs interface or libdfc | |
2713 | * interface will be allowed. The HBA is set to block the management interface | |
2714 | * when the driver prepares the HBA interface for online or offline and then | |
2715 | * set to unblock the management interface afterwards. | |
2716 | **/ | |
46fa311e JS |
2717 | void |
2718 | lpfc_unblock_mgmt_io(struct lpfc_hba * phba) | |
2719 | { | |
2720 | unsigned long iflag; | |
2721 | ||
2e0fef85 JS |
2722 | spin_lock_irqsave(&phba->hbalock, iflag); |
2723 | phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; | |
2724 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
46fa311e JS |
2725 | } |
2726 | ||
e59058c4 | 2727 | /** |
3621a710 | 2728 | * lpfc_offline_prep - Prepare a HBA to be brought offline |
e59058c4 JS |
2729 | * @phba: pointer to lpfc hba data structure. |
2730 | * | |
2731 | * This routine is invoked to prepare a HBA to be brought offline. It performs | |
2732 | * unregistration login to all the nodes on all vports and flushes the mailbox | |
2733 | * queue to make it ready to be brought offline. | |
2734 | **/ | |
46fa311e | 2735 | void |
618a5230 | 2736 | lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action) |
46fa311e | 2737 | { |
2e0fef85 | 2738 | struct lpfc_vport *vport = phba->pport; |
46fa311e | 2739 | struct lpfc_nodelist *ndlp, *next_ndlp; |
87af33fe | 2740 | struct lpfc_vport **vports; |
72100cc4 | 2741 | struct Scsi_Host *shost; |
87af33fe | 2742 | int i; |
dea3101e | 2743 | |
2e0fef85 | 2744 | if (vport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 2745 | return; |
dea3101e | 2746 | |
618a5230 | 2747 | lpfc_block_mgmt_io(phba, mbx_action); |
dea3101e | 2748 | |
2749 | lpfc_linkdown(phba); | |
2750 | ||
87af33fe JS |
2751 | /* Issue an unreg_login to all nodes on all vports */ |
2752 | vports = lpfc_create_vport_work_array(phba); | |
2753 | if (vports != NULL) { | |
da0436e9 | 2754 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
a8adb832 JS |
2755 | if (vports[i]->load_flag & FC_UNLOADING) |
2756 | continue; | |
72100cc4 JS |
2757 | shost = lpfc_shost_from_vport(vports[i]); |
2758 | spin_lock_irq(shost->host_lock); | |
c868595d | 2759 | vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED; |
695a814e JS |
2760 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
2761 | vports[i]->fc_flag &= ~FC_VFI_REGISTERED; | |
72100cc4 | 2762 | spin_unlock_irq(shost->host_lock); |
695a814e | 2763 | |
87af33fe JS |
2764 | shost = lpfc_shost_from_vport(vports[i]); |
2765 | list_for_each_entry_safe(ndlp, next_ndlp, | |
2766 | &vports[i]->fc_nodes, | |
2767 | nlp_listp) { | |
e47c9093 JS |
2768 | if (!NLP_CHK_NODE_ACT(ndlp)) |
2769 | continue; | |
87af33fe JS |
2770 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
2771 | continue; | |
2772 | if (ndlp->nlp_type & NLP_FABRIC) { | |
2773 | lpfc_disc_state_machine(vports[i], ndlp, | |
2774 | NULL, NLP_EVT_DEVICE_RECOVERY); | |
2775 | lpfc_disc_state_machine(vports[i], ndlp, | |
2776 | NULL, NLP_EVT_DEVICE_RM); | |
2777 | } | |
2778 | spin_lock_irq(shost->host_lock); | |
2779 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
401ee0c1 | 2780 | spin_unlock_irq(shost->host_lock); |
6b5151fd JS |
2781 | /* |
2782 | * Whenever an SLI4 port goes offline, free the | |
401ee0c1 JS |
2783 | * RPI. Get a new RPI when the adapter port |
2784 | * comes back online. | |
6b5151fd JS |
2785 | */ |
2786 | if (phba->sli_rev == LPFC_SLI_REV4) | |
2787 | lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi); | |
87af33fe JS |
2788 | lpfc_unreg_rpi(vports[i], ndlp); |
2789 | } | |
2790 | } | |
2791 | } | |
09372820 | 2792 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 2793 | |
618a5230 | 2794 | lpfc_sli_mbox_sys_shutdown(phba, mbx_action); |
46fa311e JS |
2795 | } |
2796 | ||
e59058c4 | 2797 | /** |
3621a710 | 2798 | * lpfc_offline - Bring a HBA offline |
e59058c4 JS |
2799 | * @phba: pointer to lpfc hba data structure. |
2800 | * | |
2801 | * This routine actually brings a HBA offline. It stops all the timers | |
2802 | * associated with the HBA, brings down the SLI layer, and eventually | |
2803 | * marks the HBA as in offline state for the upper layer protocol. | |
2804 | **/ | |
46fa311e | 2805 | void |
2e0fef85 | 2806 | lpfc_offline(struct lpfc_hba *phba) |
46fa311e | 2807 | { |
549e55cd JS |
2808 | struct Scsi_Host *shost; |
2809 | struct lpfc_vport **vports; | |
2810 | int i; | |
46fa311e | 2811 | |
549e55cd | 2812 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 2813 | return; |
688a8863 | 2814 | |
da0436e9 JS |
2815 | /* stop port and all timers associated with this hba */ |
2816 | lpfc_stop_port(phba); | |
51ef4c26 JS |
2817 | vports = lpfc_create_vport_work_array(phba); |
2818 | if (vports != NULL) | |
da0436e9 | 2819 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) |
51ef4c26 | 2820 | lpfc_stop_vport_timers(vports[i]); |
09372820 | 2821 | lpfc_destroy_vport_work_array(phba, vports); |
92d7f7b0 | 2822 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 2823 | "0460 Bring Adapter offline\n"); |
dea3101e | 2824 | /* Bring down the SLI Layer and cleanup. The HBA is offline |
2825 | now. */ | |
2826 | lpfc_sli_hba_down(phba); | |
92d7f7b0 | 2827 | spin_lock_irq(&phba->hbalock); |
7054a606 | 2828 | phba->work_ha = 0; |
92d7f7b0 | 2829 | spin_unlock_irq(&phba->hbalock); |
549e55cd JS |
2830 | vports = lpfc_create_vport_work_array(phba); |
2831 | if (vports != NULL) | |
da0436e9 | 2832 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd | 2833 | shost = lpfc_shost_from_vport(vports[i]); |
549e55cd JS |
2834 | spin_lock_irq(shost->host_lock); |
2835 | vports[i]->work_port_events = 0; | |
2836 | vports[i]->fc_flag |= FC_OFFLINE_MODE; | |
2837 | spin_unlock_irq(shost->host_lock); | |
2838 | } | |
09372820 | 2839 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 2840 | } |
2841 | ||
e59058c4 | 2842 | /** |
3621a710 | 2843 | * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists |
e59058c4 JS |
2844 | * @phba: pointer to lpfc hba data structure. |
2845 | * | |
2846 | * This routine is to free all the SCSI buffers and IOCBs from the driver | |
2847 | * list back to kernel. It is called from lpfc_pci_remove_one to free | |
2848 | * the internal resources before the device is removed from the system. | |
e59058c4 | 2849 | **/ |
8a9d2e80 | 2850 | static void |
2e0fef85 | 2851 | lpfc_scsi_free(struct lpfc_hba *phba) |
dea3101e | 2852 | { |
2853 | struct lpfc_scsi_buf *sb, *sb_next; | |
2854 | struct lpfc_iocbq *io, *io_next; | |
2855 | ||
2e0fef85 | 2856 | spin_lock_irq(&phba->hbalock); |
a40fc5f0 | 2857 | |
dea3101e | 2858 | /* Release all the lpfc_scsi_bufs maintained by this host. */ |
a40fc5f0 JS |
2859 | |
2860 | spin_lock(&phba->scsi_buf_list_put_lock); | |
2861 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_put, | |
2862 | list) { | |
2863 | list_del(&sb->list); | |
2864 | pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, | |
2865 | sb->dma_handle); | |
2866 | kfree(sb); | |
2867 | phba->total_scsi_bufs--; | |
2868 | } | |
2869 | spin_unlock(&phba->scsi_buf_list_put_lock); | |
2870 | ||
2871 | spin_lock(&phba->scsi_buf_list_get_lock); | |
2872 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_get, | |
2873 | list) { | |
dea3101e | 2874 | list_del(&sb->list); |
2875 | pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, | |
92d7f7b0 | 2876 | sb->dma_handle); |
dea3101e | 2877 | kfree(sb); |
2878 | phba->total_scsi_bufs--; | |
2879 | } | |
a40fc5f0 | 2880 | spin_unlock(&phba->scsi_buf_list_get_lock); |
dea3101e | 2881 | |
2882 | /* Release all the lpfc_iocbq entries maintained by this host. */ | |
2883 | list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { | |
2884 | list_del(&io->list); | |
2885 | kfree(io); | |
2886 | phba->total_iocbq_bufs--; | |
2887 | } | |
6d368e53 | 2888 | |
2e0fef85 | 2889 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 JS |
2890 | } |
2891 | ||
2892 | /** | |
2893 | * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping | |
2894 | * @phba: pointer to lpfc hba data structure. | |
2895 | * | |
2896 | * This routine first calculates the sizes of the current els and allocated | |
2897 | * scsi sgl lists, and then goes through all sgls to updates the physical | |
2898 | * XRIs assigned due to port function reset. During port initialization, the | |
2899 | * current els and allocated scsi sgl lists are 0s. | |
2900 | * | |
2901 | * Return codes | |
2902 | * 0 - successful (for now, it always returns 0) | |
2903 | **/ | |
2904 | int | |
2905 | lpfc_sli4_xri_sgl_update(struct lpfc_hba *phba) | |
2906 | { | |
2907 | struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL; | |
2908 | struct lpfc_scsi_buf *psb = NULL, *psb_next = NULL; | |
2909 | uint16_t i, lxri, xri_cnt, els_xri_cnt, scsi_xri_cnt; | |
2910 | LIST_HEAD(els_sgl_list); | |
2911 | LIST_HEAD(scsi_sgl_list); | |
2912 | int rc; | |
2913 | ||
2914 | /* | |
2915 | * update on pci function's els xri-sgl list | |
2916 | */ | |
2917 | els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); | |
2918 | if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) { | |
2919 | /* els xri-sgl expanded */ | |
2920 | xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt; | |
2921 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
2922 | "3157 ELS xri-sgl count increased from " | |
2923 | "%d to %d\n", phba->sli4_hba.els_xri_cnt, | |
2924 | els_xri_cnt); | |
2925 | /* allocate the additional els sgls */ | |
2926 | for (i = 0; i < xri_cnt; i++) { | |
2927 | sglq_entry = kzalloc(sizeof(struct lpfc_sglq), | |
2928 | GFP_KERNEL); | |
2929 | if (sglq_entry == NULL) { | |
2930 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2931 | "2562 Failure to allocate an " | |
2932 | "ELS sgl entry:%d\n", i); | |
2933 | rc = -ENOMEM; | |
2934 | goto out_free_mem; | |
2935 | } | |
2936 | sglq_entry->buff_type = GEN_BUFF_TYPE; | |
2937 | sglq_entry->virt = lpfc_mbuf_alloc(phba, 0, | |
2938 | &sglq_entry->phys); | |
2939 | if (sglq_entry->virt == NULL) { | |
2940 | kfree(sglq_entry); | |
2941 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2942 | "2563 Failure to allocate an " | |
2943 | "ELS mbuf:%d\n", i); | |
2944 | rc = -ENOMEM; | |
2945 | goto out_free_mem; | |
2946 | } | |
2947 | sglq_entry->sgl = sglq_entry->virt; | |
2948 | memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE); | |
2949 | sglq_entry->state = SGL_FREED; | |
2950 | list_add_tail(&sglq_entry->list, &els_sgl_list); | |
2951 | } | |
38c20673 | 2952 | spin_lock_irq(&phba->hbalock); |
8a9d2e80 | 2953 | list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list); |
38c20673 | 2954 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 JS |
2955 | } else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) { |
2956 | /* els xri-sgl shrinked */ | |
2957 | xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt; | |
2958 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
2959 | "3158 ELS xri-sgl count decreased from " | |
2960 | "%d to %d\n", phba->sli4_hba.els_xri_cnt, | |
2961 | els_xri_cnt); | |
2962 | spin_lock_irq(&phba->hbalock); | |
2963 | list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &els_sgl_list); | |
2964 | spin_unlock_irq(&phba->hbalock); | |
2965 | /* release extra els sgls from list */ | |
2966 | for (i = 0; i < xri_cnt; i++) { | |
2967 | list_remove_head(&els_sgl_list, | |
2968 | sglq_entry, struct lpfc_sglq, list); | |
2969 | if (sglq_entry) { | |
2970 | lpfc_mbuf_free(phba, sglq_entry->virt, | |
2971 | sglq_entry->phys); | |
2972 | kfree(sglq_entry); | |
2973 | } | |
2974 | } | |
2975 | spin_lock_irq(&phba->hbalock); | |
2976 | list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list); | |
2977 | spin_unlock_irq(&phba->hbalock); | |
2978 | } else | |
2979 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
2980 | "3163 ELS xri-sgl count unchanged: %d\n", | |
2981 | els_xri_cnt); | |
2982 | phba->sli4_hba.els_xri_cnt = els_xri_cnt; | |
2983 | ||
2984 | /* update xris to els sgls on the list */ | |
2985 | sglq_entry = NULL; | |
2986 | sglq_entry_next = NULL; | |
2987 | list_for_each_entry_safe(sglq_entry, sglq_entry_next, | |
2988 | &phba->sli4_hba.lpfc_sgl_list, list) { | |
2989 | lxri = lpfc_sli4_next_xritag(phba); | |
2990 | if (lxri == NO_XRI) { | |
2991 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2992 | "2400 Failed to allocate xri for " | |
2993 | "ELS sgl\n"); | |
2994 | rc = -ENOMEM; | |
2995 | goto out_free_mem; | |
2996 | } | |
2997 | sglq_entry->sli4_lxritag = lxri; | |
2998 | sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri]; | |
2999 | } | |
3000 | ||
3001 | /* | |
3002 | * update on pci function's allocated scsi xri-sgl list | |
3003 | */ | |
3004 | phba->total_scsi_bufs = 0; | |
3005 | ||
3006 | /* maximum number of xris available for scsi buffers */ | |
3007 | phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri - | |
3008 | els_xri_cnt; | |
3009 | ||
3010 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3011 | "2401 Current allocated SCSI xri-sgl count:%d, " | |
3012 | "maximum SCSI xri count:%d\n", | |
3013 | phba->sli4_hba.scsi_xri_cnt, | |
3014 | phba->sli4_hba.scsi_xri_max); | |
3015 | ||
a40fc5f0 JS |
3016 | spin_lock_irq(&phba->scsi_buf_list_get_lock); |
3017 | spin_lock_irq(&phba->scsi_buf_list_put_lock); | |
3018 | list_splice_init(&phba->lpfc_scsi_buf_list_get, &scsi_sgl_list); | |
3019 | list_splice(&phba->lpfc_scsi_buf_list_put, &scsi_sgl_list); | |
3020 | spin_unlock_irq(&phba->scsi_buf_list_put_lock); | |
3021 | spin_unlock_irq(&phba->scsi_buf_list_get_lock); | |
8a9d2e80 JS |
3022 | |
3023 | if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) { | |
3024 | /* max scsi xri shrinked below the allocated scsi buffers */ | |
3025 | scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt - | |
3026 | phba->sli4_hba.scsi_xri_max; | |
3027 | /* release the extra allocated scsi buffers */ | |
3028 | for (i = 0; i < scsi_xri_cnt; i++) { | |
3029 | list_remove_head(&scsi_sgl_list, psb, | |
3030 | struct lpfc_scsi_buf, list); | |
3031 | pci_pool_free(phba->lpfc_scsi_dma_buf_pool, psb->data, | |
3032 | psb->dma_handle); | |
3033 | kfree(psb); | |
3034 | } | |
a40fc5f0 | 3035 | spin_lock_irq(&phba->scsi_buf_list_get_lock); |
8a9d2e80 | 3036 | phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt; |
a40fc5f0 | 3037 | spin_unlock_irq(&phba->scsi_buf_list_get_lock); |
8a9d2e80 JS |
3038 | } |
3039 | ||
3040 | /* update xris associated to remaining allocated scsi buffers */ | |
3041 | psb = NULL; | |
3042 | psb_next = NULL; | |
3043 | list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) { | |
3044 | lxri = lpfc_sli4_next_xritag(phba); | |
3045 | if (lxri == NO_XRI) { | |
3046 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3047 | "2560 Failed to allocate xri for " | |
3048 | "scsi buffer\n"); | |
3049 | rc = -ENOMEM; | |
3050 | goto out_free_mem; | |
3051 | } | |
3052 | psb->cur_iocbq.sli4_lxritag = lxri; | |
3053 | psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri]; | |
3054 | } | |
a40fc5f0 JS |
3055 | spin_lock_irq(&phba->scsi_buf_list_get_lock); |
3056 | spin_lock_irq(&phba->scsi_buf_list_put_lock); | |
3057 | list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list_get); | |
3058 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put); | |
3059 | spin_unlock_irq(&phba->scsi_buf_list_put_lock); | |
3060 | spin_unlock_irq(&phba->scsi_buf_list_get_lock); | |
8a9d2e80 | 3061 | |
dea3101e | 3062 | return 0; |
8a9d2e80 JS |
3063 | |
3064 | out_free_mem: | |
3065 | lpfc_free_els_sgl_list(phba); | |
3066 | lpfc_scsi_free(phba); | |
3067 | return rc; | |
dea3101e | 3068 | } |
3069 | ||
e59058c4 | 3070 | /** |
3621a710 | 3071 | * lpfc_create_port - Create an FC port |
e59058c4 JS |
3072 | * @phba: pointer to lpfc hba data structure. |
3073 | * @instance: a unique integer ID to this FC port. | |
3074 | * @dev: pointer to the device data structure. | |
3075 | * | |
3076 | * This routine creates a FC port for the upper layer protocol. The FC port | |
3077 | * can be created on top of either a physical port or a virtual port provided | |
3078 | * by the HBA. This routine also allocates a SCSI host data structure (shost) | |
3079 | * and associates the FC port created before adding the shost into the SCSI | |
3080 | * layer. | |
3081 | * | |
3082 | * Return codes | |
3083 | * @vport - pointer to the virtual N_Port data structure. | |
3084 | * NULL - port create failed. | |
3085 | **/ | |
2e0fef85 | 3086 | struct lpfc_vport * |
3de2a653 | 3087 | lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) |
47a8617c | 3088 | { |
2e0fef85 JS |
3089 | struct lpfc_vport *vport; |
3090 | struct Scsi_Host *shost; | |
3091 | int error = 0; | |
47a8617c | 3092 | |
3de2a653 JS |
3093 | if (dev != &phba->pcidev->dev) |
3094 | shost = scsi_host_alloc(&lpfc_vport_template, | |
3095 | sizeof(struct lpfc_vport)); | |
3096 | else | |
3097 | shost = scsi_host_alloc(&lpfc_template, | |
3098 | sizeof(struct lpfc_vport)); | |
2e0fef85 JS |
3099 | if (!shost) |
3100 | goto out; | |
47a8617c | 3101 | |
2e0fef85 JS |
3102 | vport = (struct lpfc_vport *) shost->hostdata; |
3103 | vport->phba = phba; | |
2e0fef85 | 3104 | vport->load_flag |= FC_LOADING; |
92d7f7b0 | 3105 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
7f5f3d0d | 3106 | vport->fc_rscn_flush = 0; |
47a8617c | 3107 | |
3de2a653 | 3108 | lpfc_get_vport_cfgparam(vport); |
2e0fef85 JS |
3109 | shost->unique_id = instance; |
3110 | shost->max_id = LPFC_MAX_TARGET; | |
3de2a653 | 3111 | shost->max_lun = vport->cfg_max_luns; |
2e0fef85 JS |
3112 | shost->this_id = -1; |
3113 | shost->max_cmd_len = 16; | |
da0436e9 | 3114 | if (phba->sli_rev == LPFC_SLI_REV4) { |
28baac74 | 3115 | shost->dma_boundary = |
cb5172ea | 3116 | phba->sli4_hba.pc_sli4_params.sge_supp_len-1; |
da0436e9 JS |
3117 | shost->sg_tablesize = phba->cfg_sg_seg_cnt; |
3118 | } | |
81301a9b | 3119 | |
47a8617c | 3120 | /* |
2e0fef85 JS |
3121 | * Set initial can_queue value since 0 is no longer supported and |
3122 | * scsi_add_host will fail. This will be adjusted later based on the | |
3123 | * max xri value determined in hba setup. | |
47a8617c | 3124 | */ |
2e0fef85 | 3125 | shost->can_queue = phba->cfg_hba_queue_depth - 10; |
3de2a653 | 3126 | if (dev != &phba->pcidev->dev) { |
92d7f7b0 JS |
3127 | shost->transportt = lpfc_vport_transport_template; |
3128 | vport->port_type = LPFC_NPIV_PORT; | |
3129 | } else { | |
3130 | shost->transportt = lpfc_transport_template; | |
3131 | vport->port_type = LPFC_PHYSICAL_PORT; | |
3132 | } | |
47a8617c | 3133 | |
2e0fef85 JS |
3134 | /* Initialize all internally managed lists. */ |
3135 | INIT_LIST_HEAD(&vport->fc_nodes); | |
da0436e9 | 3136 | INIT_LIST_HEAD(&vport->rcv_buffer_list); |
2e0fef85 | 3137 | spin_lock_init(&vport->work_port_lock); |
47a8617c | 3138 | |
2e0fef85 JS |
3139 | init_timer(&vport->fc_disctmo); |
3140 | vport->fc_disctmo.function = lpfc_disc_timeout; | |
92d7f7b0 | 3141 | vport->fc_disctmo.data = (unsigned long)vport; |
47a8617c | 3142 | |
2e0fef85 JS |
3143 | init_timer(&vport->fc_fdmitmo); |
3144 | vport->fc_fdmitmo.function = lpfc_fdmi_tmo; | |
92d7f7b0 | 3145 | vport->fc_fdmitmo.data = (unsigned long)vport; |
47a8617c | 3146 | |
2e0fef85 JS |
3147 | init_timer(&vport->els_tmofunc); |
3148 | vport->els_tmofunc.function = lpfc_els_timeout; | |
92d7f7b0 | 3149 | vport->els_tmofunc.data = (unsigned long)vport; |
92494144 JS |
3150 | |
3151 | init_timer(&vport->delayed_disc_tmo); | |
3152 | vport->delayed_disc_tmo.function = lpfc_delayed_disc_tmo; | |
3153 | vport->delayed_disc_tmo.data = (unsigned long)vport; | |
3154 | ||
d139b9bd | 3155 | error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev); |
2e0fef85 JS |
3156 | if (error) |
3157 | goto out_put_shost; | |
47a8617c | 3158 | |
549e55cd | 3159 | spin_lock_irq(&phba->hbalock); |
2e0fef85 | 3160 | list_add_tail(&vport->listentry, &phba->port_list); |
549e55cd | 3161 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 3162 | return vport; |
47a8617c | 3163 | |
2e0fef85 JS |
3164 | out_put_shost: |
3165 | scsi_host_put(shost); | |
3166 | out: | |
3167 | return NULL; | |
47a8617c JS |
3168 | } |
3169 | ||
e59058c4 | 3170 | /** |
3621a710 | 3171 | * destroy_port - destroy an FC port |
e59058c4 JS |
3172 | * @vport: pointer to an lpfc virtual N_Port data structure. |
3173 | * | |
3174 | * This routine destroys a FC port from the upper layer protocol. All the | |
3175 | * resources associated with the port are released. | |
3176 | **/ | |
2e0fef85 JS |
3177 | void |
3178 | destroy_port(struct lpfc_vport *vport) | |
47a8617c | 3179 | { |
92d7f7b0 JS |
3180 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3181 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 3182 | |
858c9f6c | 3183 | lpfc_debugfs_terminate(vport); |
92d7f7b0 JS |
3184 | fc_remove_host(shost); |
3185 | scsi_remove_host(shost); | |
47a8617c | 3186 | |
92d7f7b0 JS |
3187 | spin_lock_irq(&phba->hbalock); |
3188 | list_del_init(&vport->listentry); | |
3189 | spin_unlock_irq(&phba->hbalock); | |
47a8617c | 3190 | |
92d7f7b0 | 3191 | lpfc_cleanup(vport); |
47a8617c | 3192 | return; |
47a8617c JS |
3193 | } |
3194 | ||
e59058c4 | 3195 | /** |
3621a710 | 3196 | * lpfc_get_instance - Get a unique integer ID |
e59058c4 JS |
3197 | * |
3198 | * This routine allocates a unique integer ID from lpfc_hba_index pool. It | |
3199 | * uses the kernel idr facility to perform the task. | |
3200 | * | |
3201 | * Return codes: | |
3202 | * instance - a unique integer ID allocated as the new instance. | |
3203 | * -1 - lpfc get instance failed. | |
3204 | **/ | |
92d7f7b0 JS |
3205 | int |
3206 | lpfc_get_instance(void) | |
3207 | { | |
ab516036 TH |
3208 | int ret; |
3209 | ||
3210 | ret = idr_alloc(&lpfc_hba_index, NULL, 0, 0, GFP_KERNEL); | |
3211 | return ret < 0 ? -1 : ret; | |
47a8617c JS |
3212 | } |
3213 | ||
e59058c4 | 3214 | /** |
3621a710 | 3215 | * lpfc_scan_finished - method for SCSI layer to detect whether scan is done |
e59058c4 JS |
3216 | * @shost: pointer to SCSI host data structure. |
3217 | * @time: elapsed time of the scan in jiffies. | |
3218 | * | |
3219 | * This routine is called by the SCSI layer with a SCSI host to determine | |
3220 | * whether the scan host is finished. | |
3221 | * | |
3222 | * Note: there is no scan_start function as adapter initialization will have | |
3223 | * asynchronously kicked off the link initialization. | |
3224 | * | |
3225 | * Return codes | |
3226 | * 0 - SCSI host scan is not over yet. | |
3227 | * 1 - SCSI host scan is over. | |
3228 | **/ | |
47a8617c JS |
3229 | int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) |
3230 | { | |
2e0fef85 JS |
3231 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3232 | struct lpfc_hba *phba = vport->phba; | |
858c9f6c | 3233 | int stat = 0; |
47a8617c | 3234 | |
858c9f6c JS |
3235 | spin_lock_irq(shost->host_lock); |
3236 | ||
51ef4c26 | 3237 | if (vport->load_flag & FC_UNLOADING) { |
858c9f6c JS |
3238 | stat = 1; |
3239 | goto finished; | |
3240 | } | |
256ec0d0 | 3241 | if (time >= msecs_to_jiffies(30 * 1000)) { |
2e0fef85 | 3242 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 JS |
3243 | "0461 Scanning longer than 30 " |
3244 | "seconds. Continuing initialization\n"); | |
858c9f6c | 3245 | stat = 1; |
47a8617c | 3246 | goto finished; |
2e0fef85 | 3247 | } |
256ec0d0 JS |
3248 | if (time >= msecs_to_jiffies(15 * 1000) && |
3249 | phba->link_state <= LPFC_LINK_DOWN) { | |
2e0fef85 | 3250 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 JS |
3251 | "0465 Link down longer than 15 " |
3252 | "seconds. Continuing initialization\n"); | |
858c9f6c | 3253 | stat = 1; |
47a8617c | 3254 | goto finished; |
2e0fef85 | 3255 | } |
47a8617c | 3256 | |
2e0fef85 | 3257 | if (vport->port_state != LPFC_VPORT_READY) |
858c9f6c | 3258 | goto finished; |
2e0fef85 | 3259 | if (vport->num_disc_nodes || vport->fc_prli_sent) |
858c9f6c | 3260 | goto finished; |
256ec0d0 | 3261 | if (vport->fc_map_cnt == 0 && time < msecs_to_jiffies(2 * 1000)) |
858c9f6c | 3262 | goto finished; |
2e0fef85 | 3263 | if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) |
858c9f6c JS |
3264 | goto finished; |
3265 | ||
3266 | stat = 1; | |
47a8617c JS |
3267 | |
3268 | finished: | |
858c9f6c JS |
3269 | spin_unlock_irq(shost->host_lock); |
3270 | return stat; | |
92d7f7b0 | 3271 | } |
47a8617c | 3272 | |
e59058c4 | 3273 | /** |
3621a710 | 3274 | * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port |
e59058c4 JS |
3275 | * @shost: pointer to SCSI host data structure. |
3276 | * | |
3277 | * This routine initializes a given SCSI host attributes on a FC port. The | |
3278 | * SCSI host can be either on top of a physical port or a virtual port. | |
3279 | **/ | |
92d7f7b0 JS |
3280 | void lpfc_host_attrib_init(struct Scsi_Host *shost) |
3281 | { | |
3282 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3283 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 3284 | /* |
2e0fef85 | 3285 | * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). |
47a8617c JS |
3286 | */ |
3287 | ||
2e0fef85 JS |
3288 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); |
3289 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
47a8617c JS |
3290 | fc_host_supported_classes(shost) = FC_COS_CLASS3; |
3291 | ||
3292 | memset(fc_host_supported_fc4s(shost), 0, | |
2e0fef85 | 3293 | sizeof(fc_host_supported_fc4s(shost))); |
47a8617c JS |
3294 | fc_host_supported_fc4s(shost)[2] = 1; |
3295 | fc_host_supported_fc4s(shost)[7] = 1; | |
3296 | ||
92d7f7b0 JS |
3297 | lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), |
3298 | sizeof fc_host_symbolic_name(shost)); | |
47a8617c JS |
3299 | |
3300 | fc_host_supported_speeds(shost) = 0; | |
88a2cfbb JS |
3301 | if (phba->lmt & LMT_16Gb) |
3302 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT; | |
47a8617c JS |
3303 | if (phba->lmt & LMT_10Gb) |
3304 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; | |
a8adb832 JS |
3305 | if (phba->lmt & LMT_8Gb) |
3306 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; | |
47a8617c JS |
3307 | if (phba->lmt & LMT_4Gb) |
3308 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; | |
3309 | if (phba->lmt & LMT_2Gb) | |
3310 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; | |
3311 | if (phba->lmt & LMT_1Gb) | |
3312 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; | |
3313 | ||
3314 | fc_host_maxframe_size(shost) = | |
2e0fef85 JS |
3315 | (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | |
3316 | (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; | |
47a8617c | 3317 | |
0af5d708 MC |
3318 | fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo; |
3319 | ||
47a8617c JS |
3320 | /* This value is also unchanging */ |
3321 | memset(fc_host_active_fc4s(shost), 0, | |
2e0fef85 | 3322 | sizeof(fc_host_active_fc4s(shost))); |
47a8617c JS |
3323 | fc_host_active_fc4s(shost)[2] = 1; |
3324 | fc_host_active_fc4s(shost)[7] = 1; | |
3325 | ||
92d7f7b0 | 3326 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
47a8617c | 3327 | spin_lock_irq(shost->host_lock); |
51ef4c26 | 3328 | vport->load_flag &= ~FC_LOADING; |
47a8617c | 3329 | spin_unlock_irq(shost->host_lock); |
47a8617c | 3330 | } |
dea3101e | 3331 | |
e59058c4 | 3332 | /** |
da0436e9 | 3333 | * lpfc_stop_port_s3 - Stop SLI3 device port |
e59058c4 JS |
3334 | * @phba: pointer to lpfc hba data structure. |
3335 | * | |
da0436e9 JS |
3336 | * This routine is invoked to stop an SLI3 device port, it stops the device |
3337 | * from generating interrupts and stops the device driver's timers for the | |
3338 | * device. | |
e59058c4 | 3339 | **/ |
da0436e9 JS |
3340 | static void |
3341 | lpfc_stop_port_s3(struct lpfc_hba *phba) | |
db2378e0 | 3342 | { |
da0436e9 JS |
3343 | /* Clear all interrupt enable conditions */ |
3344 | writel(0, phba->HCregaddr); | |
3345 | readl(phba->HCregaddr); /* flush */ | |
3346 | /* Clear all pending interrupts */ | |
3347 | writel(0xffffffff, phba->HAregaddr); | |
3348 | readl(phba->HAregaddr); /* flush */ | |
db2378e0 | 3349 | |
da0436e9 JS |
3350 | /* Reset some HBA SLI setup states */ |
3351 | lpfc_stop_hba_timers(phba); | |
3352 | phba->pport->work_port_events = 0; | |
3353 | } | |
db2378e0 | 3354 | |
da0436e9 JS |
3355 | /** |
3356 | * lpfc_stop_port_s4 - Stop SLI4 device port | |
3357 | * @phba: pointer to lpfc hba data structure. | |
3358 | * | |
3359 | * This routine is invoked to stop an SLI4 device port, it stops the device | |
3360 | * from generating interrupts and stops the device driver's timers for the | |
3361 | * device. | |
3362 | **/ | |
3363 | static void | |
3364 | lpfc_stop_port_s4(struct lpfc_hba *phba) | |
3365 | { | |
3366 | /* Reset some HBA SLI4 setup states */ | |
3367 | lpfc_stop_hba_timers(phba); | |
3368 | phba->pport->work_port_events = 0; | |
3369 | phba->sli4_hba.intr_enable = 0; | |
da0436e9 | 3370 | } |
9399627f | 3371 | |
da0436e9 JS |
3372 | /** |
3373 | * lpfc_stop_port - Wrapper function for stopping hba port | |
3374 | * @phba: Pointer to HBA context object. | |
3375 | * | |
3376 | * This routine wraps the actual SLI3 or SLI4 hba stop port routine from | |
3377 | * the API jump table function pointer from the lpfc_hba struct. | |
3378 | **/ | |
3379 | void | |
3380 | lpfc_stop_port(struct lpfc_hba *phba) | |
3381 | { | |
3382 | phba->lpfc_stop_port(phba); | |
3383 | } | |
db2378e0 | 3384 | |
ecfd03c6 JS |
3385 | /** |
3386 | * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer | |
3387 | * @phba: Pointer to hba for which this call is being executed. | |
3388 | * | |
3389 | * This routine starts the timer waiting for the FCF rediscovery to complete. | |
3390 | **/ | |
3391 | void | |
3392 | lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba) | |
3393 | { | |
3394 | unsigned long fcf_redisc_wait_tmo = | |
3395 | (jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO)); | |
3396 | /* Start fcf rediscovery wait period timer */ | |
3397 | mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo); | |
3398 | spin_lock_irq(&phba->hbalock); | |
3399 | /* Allow action to new fcf asynchronous event */ | |
3400 | phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE); | |
3401 | /* Mark the FCF rediscovery pending state */ | |
3402 | phba->fcf.fcf_flag |= FCF_REDISC_PEND; | |
3403 | spin_unlock_irq(&phba->hbalock); | |
3404 | } | |
3405 | ||
3406 | /** | |
3407 | * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout | |
3408 | * @ptr: Map to lpfc_hba data structure pointer. | |
3409 | * | |
3410 | * This routine is invoked when waiting for FCF table rediscover has been | |
3411 | * timed out. If new FCF record(s) has (have) been discovered during the | |
3412 | * wait period, a new FCF event shall be added to the FCOE async event | |
3413 | * list, and then worker thread shall be waked up for processing from the | |
3414 | * worker thread context. | |
3415 | **/ | |
3416 | void | |
3417 | lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr) | |
3418 | { | |
3419 | struct lpfc_hba *phba = (struct lpfc_hba *)ptr; | |
3420 | ||
3421 | /* Don't send FCF rediscovery event if timer cancelled */ | |
3422 | spin_lock_irq(&phba->hbalock); | |
3423 | if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) { | |
3424 | spin_unlock_irq(&phba->hbalock); | |
3425 | return; | |
3426 | } | |
3427 | /* Clear FCF rediscovery timer pending flag */ | |
3428 | phba->fcf.fcf_flag &= ~FCF_REDISC_PEND; | |
3429 | /* FCF rediscovery event to worker thread */ | |
3430 | phba->fcf.fcf_flag |= FCF_REDISC_EVT; | |
3431 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 3432 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a | 3433 | "2776 FCF rediscover quiescent timer expired\n"); |
ecfd03c6 JS |
3434 | /* wake up worker thread */ |
3435 | lpfc_worker_wake_up(phba); | |
3436 | } | |
3437 | ||
e59058c4 | 3438 | /** |
da0436e9 | 3439 | * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code |
e59058c4 | 3440 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 3441 | * @acqe_link: pointer to the async link completion queue entry. |
e59058c4 | 3442 | * |
da0436e9 JS |
3443 | * This routine is to parse the SLI4 link-attention link fault code and |
3444 | * translate it into the base driver's read link attention mailbox command | |
3445 | * status. | |
3446 | * | |
3447 | * Return: Link-attention status in terms of base driver's coding. | |
e59058c4 | 3448 | **/ |
da0436e9 JS |
3449 | static uint16_t |
3450 | lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba, | |
3451 | struct lpfc_acqe_link *acqe_link) | |
db2378e0 | 3452 | { |
da0436e9 | 3453 | uint16_t latt_fault; |
9399627f | 3454 | |
da0436e9 JS |
3455 | switch (bf_get(lpfc_acqe_link_fault, acqe_link)) { |
3456 | case LPFC_ASYNC_LINK_FAULT_NONE: | |
3457 | case LPFC_ASYNC_LINK_FAULT_LOCAL: | |
3458 | case LPFC_ASYNC_LINK_FAULT_REMOTE: | |
3459 | latt_fault = 0; | |
3460 | break; | |
3461 | default: | |
3462 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3463 | "0398 Invalid link fault code: x%x\n", | |
3464 | bf_get(lpfc_acqe_link_fault, acqe_link)); | |
3465 | latt_fault = MBXERR_ERROR; | |
3466 | break; | |
3467 | } | |
3468 | return latt_fault; | |
db2378e0 JS |
3469 | } |
3470 | ||
5b75da2f | 3471 | /** |
da0436e9 | 3472 | * lpfc_sli4_parse_latt_type - Parse sli4 link attention type |
5b75da2f | 3473 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 3474 | * @acqe_link: pointer to the async link completion queue entry. |
5b75da2f | 3475 | * |
da0436e9 JS |
3476 | * This routine is to parse the SLI4 link attention type and translate it |
3477 | * into the base driver's link attention type coding. | |
5b75da2f | 3478 | * |
da0436e9 JS |
3479 | * Return: Link attention type in terms of base driver's coding. |
3480 | **/ | |
3481 | static uint8_t | |
3482 | lpfc_sli4_parse_latt_type(struct lpfc_hba *phba, | |
3483 | struct lpfc_acqe_link *acqe_link) | |
5b75da2f | 3484 | { |
da0436e9 | 3485 | uint8_t att_type; |
5b75da2f | 3486 | |
da0436e9 JS |
3487 | switch (bf_get(lpfc_acqe_link_status, acqe_link)) { |
3488 | case LPFC_ASYNC_LINK_STATUS_DOWN: | |
3489 | case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN: | |
76a95d75 | 3490 | att_type = LPFC_ATT_LINK_DOWN; |
da0436e9 JS |
3491 | break; |
3492 | case LPFC_ASYNC_LINK_STATUS_UP: | |
3493 | /* Ignore physical link up events - wait for logical link up */ | |
76a95d75 | 3494 | att_type = LPFC_ATT_RESERVED; |
da0436e9 JS |
3495 | break; |
3496 | case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP: | |
76a95d75 | 3497 | att_type = LPFC_ATT_LINK_UP; |
da0436e9 JS |
3498 | break; |
3499 | default: | |
3500 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3501 | "0399 Invalid link attention type: x%x\n", | |
3502 | bf_get(lpfc_acqe_link_status, acqe_link)); | |
76a95d75 | 3503 | att_type = LPFC_ATT_RESERVED; |
da0436e9 | 3504 | break; |
5b75da2f | 3505 | } |
da0436e9 | 3506 | return att_type; |
5b75da2f JS |
3507 | } |
3508 | ||
3509 | /** | |
da0436e9 | 3510 | * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed |
5b75da2f | 3511 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 3512 | * @acqe_link: pointer to the async link completion queue entry. |
5b75da2f | 3513 | * |
da0436e9 JS |
3514 | * This routine is to parse the SLI4 link-attention link speed and translate |
3515 | * it into the base driver's link-attention link speed coding. | |
3516 | * | |
3517 | * Return: Link-attention link speed in terms of base driver's coding. | |
3518 | **/ | |
3519 | static uint8_t | |
3520 | lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba, | |
3521 | struct lpfc_acqe_link *acqe_link) | |
5b75da2f | 3522 | { |
da0436e9 JS |
3523 | uint8_t link_speed; |
3524 | ||
3525 | switch (bf_get(lpfc_acqe_link_speed, acqe_link)) { | |
3526 | case LPFC_ASYNC_LINK_SPEED_ZERO: | |
da0436e9 | 3527 | case LPFC_ASYNC_LINK_SPEED_10MBPS: |
da0436e9 | 3528 | case LPFC_ASYNC_LINK_SPEED_100MBPS: |
76a95d75 | 3529 | link_speed = LPFC_LINK_SPEED_UNKNOWN; |
da0436e9 JS |
3530 | break; |
3531 | case LPFC_ASYNC_LINK_SPEED_1GBPS: | |
76a95d75 | 3532 | link_speed = LPFC_LINK_SPEED_1GHZ; |
da0436e9 JS |
3533 | break; |
3534 | case LPFC_ASYNC_LINK_SPEED_10GBPS: | |
76a95d75 | 3535 | link_speed = LPFC_LINK_SPEED_10GHZ; |
da0436e9 JS |
3536 | break; |
3537 | default: | |
3538 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3539 | "0483 Invalid link-attention link speed: x%x\n", | |
3540 | bf_get(lpfc_acqe_link_speed, acqe_link)); | |
76a95d75 | 3541 | link_speed = LPFC_LINK_SPEED_UNKNOWN; |
da0436e9 JS |
3542 | break; |
3543 | } | |
3544 | return link_speed; | |
3545 | } | |
3546 | ||
8b68cd52 JS |
3547 | /** |
3548 | * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed | |
3549 | * @phba: pointer to lpfc hba data structure. | |
3550 | * | |
3551 | * This routine is to get an SLI3 FC port's link speed in Mbps. | |
3552 | * | |
3553 | * Return: link speed in terms of Mbps. | |
3554 | **/ | |
3555 | uint32_t | |
3556 | lpfc_sli_port_speed_get(struct lpfc_hba *phba) | |
3557 | { | |
3558 | uint32_t link_speed; | |
3559 | ||
3560 | if (!lpfc_is_link_up(phba)) | |
3561 | return 0; | |
3562 | ||
3563 | switch (phba->fc_linkspeed) { | |
3564 | case LPFC_LINK_SPEED_1GHZ: | |
3565 | link_speed = 1000; | |
3566 | break; | |
3567 | case LPFC_LINK_SPEED_2GHZ: | |
3568 | link_speed = 2000; | |
3569 | break; | |
3570 | case LPFC_LINK_SPEED_4GHZ: | |
3571 | link_speed = 4000; | |
3572 | break; | |
3573 | case LPFC_LINK_SPEED_8GHZ: | |
3574 | link_speed = 8000; | |
3575 | break; | |
3576 | case LPFC_LINK_SPEED_10GHZ: | |
3577 | link_speed = 10000; | |
3578 | break; | |
3579 | case LPFC_LINK_SPEED_16GHZ: | |
3580 | link_speed = 16000; | |
3581 | break; | |
3582 | default: | |
3583 | link_speed = 0; | |
3584 | } | |
3585 | return link_speed; | |
3586 | } | |
3587 | ||
3588 | /** | |
3589 | * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed | |
3590 | * @phba: pointer to lpfc hba data structure. | |
3591 | * @evt_code: asynchronous event code. | |
3592 | * @speed_code: asynchronous event link speed code. | |
3593 | * | |
3594 | * This routine is to parse the giving SLI4 async event link speed code into | |
3595 | * value of Mbps for the link speed. | |
3596 | * | |
3597 | * Return: link speed in terms of Mbps. | |
3598 | **/ | |
3599 | static uint32_t | |
3600 | lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code, | |
3601 | uint8_t speed_code) | |
3602 | { | |
3603 | uint32_t port_speed; | |
3604 | ||
3605 | switch (evt_code) { | |
3606 | case LPFC_TRAILER_CODE_LINK: | |
3607 | switch (speed_code) { | |
3608 | case LPFC_EVT_CODE_LINK_NO_LINK: | |
3609 | port_speed = 0; | |
3610 | break; | |
3611 | case LPFC_EVT_CODE_LINK_10_MBIT: | |
3612 | port_speed = 10; | |
3613 | break; | |
3614 | case LPFC_EVT_CODE_LINK_100_MBIT: | |
3615 | port_speed = 100; | |
3616 | break; | |
3617 | case LPFC_EVT_CODE_LINK_1_GBIT: | |
3618 | port_speed = 1000; | |
3619 | break; | |
3620 | case LPFC_EVT_CODE_LINK_10_GBIT: | |
3621 | port_speed = 10000; | |
3622 | break; | |
3623 | default: | |
3624 | port_speed = 0; | |
3625 | } | |
3626 | break; | |
3627 | case LPFC_TRAILER_CODE_FC: | |
3628 | switch (speed_code) { | |
3629 | case LPFC_EVT_CODE_FC_NO_LINK: | |
3630 | port_speed = 0; | |
3631 | break; | |
3632 | case LPFC_EVT_CODE_FC_1_GBAUD: | |
3633 | port_speed = 1000; | |
3634 | break; | |
3635 | case LPFC_EVT_CODE_FC_2_GBAUD: | |
3636 | port_speed = 2000; | |
3637 | break; | |
3638 | case LPFC_EVT_CODE_FC_4_GBAUD: | |
3639 | port_speed = 4000; | |
3640 | break; | |
3641 | case LPFC_EVT_CODE_FC_8_GBAUD: | |
3642 | port_speed = 8000; | |
3643 | break; | |
3644 | case LPFC_EVT_CODE_FC_10_GBAUD: | |
3645 | port_speed = 10000; | |
3646 | break; | |
3647 | case LPFC_EVT_CODE_FC_16_GBAUD: | |
3648 | port_speed = 16000; | |
3649 | break; | |
3650 | default: | |
3651 | port_speed = 0; | |
3652 | } | |
3653 | break; | |
3654 | default: | |
3655 | port_speed = 0; | |
3656 | } | |
3657 | return port_speed; | |
3658 | } | |
3659 | ||
da0436e9 | 3660 | /** |
70f3c073 | 3661 | * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event |
da0436e9 JS |
3662 | * @phba: pointer to lpfc hba data structure. |
3663 | * @acqe_link: pointer to the async link completion queue entry. | |
3664 | * | |
70f3c073 | 3665 | * This routine is to handle the SLI4 asynchronous FCoE link event. |
da0436e9 JS |
3666 | **/ |
3667 | static void | |
3668 | lpfc_sli4_async_link_evt(struct lpfc_hba *phba, | |
3669 | struct lpfc_acqe_link *acqe_link) | |
3670 | { | |
3671 | struct lpfc_dmabuf *mp; | |
3672 | LPFC_MBOXQ_t *pmb; | |
3673 | MAILBOX_t *mb; | |
76a95d75 | 3674 | struct lpfc_mbx_read_top *la; |
da0436e9 | 3675 | uint8_t att_type; |
76a95d75 | 3676 | int rc; |
da0436e9 JS |
3677 | |
3678 | att_type = lpfc_sli4_parse_latt_type(phba, acqe_link); | |
76a95d75 | 3679 | if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP) |
da0436e9 | 3680 | return; |
32b9793f | 3681 | phba->fcoe_eventtag = acqe_link->event_tag; |
da0436e9 JS |
3682 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3683 | if (!pmb) { | |
3684 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3685 | "0395 The mboxq allocation failed\n"); | |
3686 | return; | |
3687 | } | |
3688 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
3689 | if (!mp) { | |
3690 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3691 | "0396 The lpfc_dmabuf allocation failed\n"); | |
3692 | goto out_free_pmb; | |
3693 | } | |
3694 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
3695 | if (!mp->virt) { | |
3696 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3697 | "0397 The mbuf allocation failed\n"); | |
3698 | goto out_free_dmabuf; | |
3699 | } | |
3700 | ||
3701 | /* Cleanup any outstanding ELS commands */ | |
3702 | lpfc_els_flush_all_cmd(phba); | |
3703 | ||
3704 | /* Block ELS IOCBs until we have done process link event */ | |
3705 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
3706 | ||
3707 | /* Update link event statistics */ | |
3708 | phba->sli.slistat.link_event++; | |
3709 | ||
76a95d75 JS |
3710 | /* Create lpfc_handle_latt mailbox command from link ACQE */ |
3711 | lpfc_read_topology(phba, pmb, mp); | |
3712 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; | |
da0436e9 JS |
3713 | pmb->vport = phba->pport; |
3714 | ||
da0436e9 JS |
3715 | /* Keep the link status for extra SLI4 state machine reference */ |
3716 | phba->sli4_hba.link_state.speed = | |
8b68cd52 JS |
3717 | lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK, |
3718 | bf_get(lpfc_acqe_link_speed, acqe_link)); | |
da0436e9 JS |
3719 | phba->sli4_hba.link_state.duplex = |
3720 | bf_get(lpfc_acqe_link_duplex, acqe_link); | |
3721 | phba->sli4_hba.link_state.status = | |
3722 | bf_get(lpfc_acqe_link_status, acqe_link); | |
70f3c073 JS |
3723 | phba->sli4_hba.link_state.type = |
3724 | bf_get(lpfc_acqe_link_type, acqe_link); | |
3725 | phba->sli4_hba.link_state.number = | |
3726 | bf_get(lpfc_acqe_link_number, acqe_link); | |
da0436e9 JS |
3727 | phba->sli4_hba.link_state.fault = |
3728 | bf_get(lpfc_acqe_link_fault, acqe_link); | |
65467b6b | 3729 | phba->sli4_hba.link_state.logical_speed = |
8b68cd52 JS |
3730 | bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10; |
3731 | ||
70f3c073 | 3732 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
c31098ce JS |
3733 | "2900 Async FC/FCoE Link event - Speed:%dGBit " |
3734 | "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d " | |
3735 | "Logical speed:%dMbps Fault:%d\n", | |
70f3c073 JS |
3736 | phba->sli4_hba.link_state.speed, |
3737 | phba->sli4_hba.link_state.topology, | |
3738 | phba->sli4_hba.link_state.status, | |
3739 | phba->sli4_hba.link_state.type, | |
3740 | phba->sli4_hba.link_state.number, | |
8b68cd52 | 3741 | phba->sli4_hba.link_state.logical_speed, |
70f3c073 | 3742 | phba->sli4_hba.link_state.fault); |
76a95d75 JS |
3743 | /* |
3744 | * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch | |
3745 | * topology info. Note: Optional for non FC-AL ports. | |
3746 | */ | |
3747 | if (!(phba->hba_flag & HBA_FCOE_MODE)) { | |
3748 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
3749 | if (rc == MBX_NOT_FINISHED) | |
3750 | goto out_free_dmabuf; | |
3751 | return; | |
3752 | } | |
3753 | /* | |
3754 | * For FCoE Mode: fill in all the topology information we need and call | |
3755 | * the READ_TOPOLOGY completion routine to continue without actually | |
3756 | * sending the READ_TOPOLOGY mailbox command to the port. | |
3757 | */ | |
3758 | /* Parse and translate status field */ | |
3759 | mb = &pmb->u.mb; | |
3760 | mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link); | |
3761 | ||
3762 | /* Parse and translate link attention fields */ | |
3763 | la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop; | |
3764 | la->eventTag = acqe_link->event_tag; | |
3765 | bf_set(lpfc_mbx_read_top_att_type, la, att_type); | |
3766 | bf_set(lpfc_mbx_read_top_link_spd, la, | |
3767 | lpfc_sli4_parse_latt_link_speed(phba, acqe_link)); | |
3768 | ||
3769 | /* Fake the the following irrelvant fields */ | |
3770 | bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT); | |
3771 | bf_set(lpfc_mbx_read_top_alpa_granted, la, 0); | |
3772 | bf_set(lpfc_mbx_read_top_il, la, 0); | |
3773 | bf_set(lpfc_mbx_read_top_pb, la, 0); | |
3774 | bf_set(lpfc_mbx_read_top_fa, la, 0); | |
3775 | bf_set(lpfc_mbx_read_top_mm, la, 0); | |
da0436e9 JS |
3776 | |
3777 | /* Invoke the lpfc_handle_latt mailbox command callback function */ | |
76a95d75 | 3778 | lpfc_mbx_cmpl_read_topology(phba, pmb); |
da0436e9 | 3779 | |
5b75da2f | 3780 | return; |
da0436e9 JS |
3781 | |
3782 | out_free_dmabuf: | |
3783 | kfree(mp); | |
3784 | out_free_pmb: | |
3785 | mempool_free(pmb, phba->mbox_mem_pool); | |
3786 | } | |
3787 | ||
70f3c073 JS |
3788 | /** |
3789 | * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event | |
3790 | * @phba: pointer to lpfc hba data structure. | |
3791 | * @acqe_fc: pointer to the async fc completion queue entry. | |
3792 | * | |
3793 | * This routine is to handle the SLI4 asynchronous FC event. It will simply log | |
3794 | * that the event was received and then issue a read_topology mailbox command so | |
3795 | * that the rest of the driver will treat it the same as SLI3. | |
3796 | **/ | |
3797 | static void | |
3798 | lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc) | |
3799 | { | |
3800 | struct lpfc_dmabuf *mp; | |
3801 | LPFC_MBOXQ_t *pmb; | |
3802 | int rc; | |
3803 | ||
3804 | if (bf_get(lpfc_trailer_type, acqe_fc) != | |
3805 | LPFC_FC_LA_EVENT_TYPE_FC_LINK) { | |
3806 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3807 | "2895 Non FC link Event detected.(%d)\n", | |
3808 | bf_get(lpfc_trailer_type, acqe_fc)); | |
3809 | return; | |
3810 | } | |
3811 | /* Keep the link status for extra SLI4 state machine reference */ | |
3812 | phba->sli4_hba.link_state.speed = | |
8b68cd52 JS |
3813 | lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC, |
3814 | bf_get(lpfc_acqe_fc_la_speed, acqe_fc)); | |
70f3c073 JS |
3815 | phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL; |
3816 | phba->sli4_hba.link_state.topology = | |
3817 | bf_get(lpfc_acqe_fc_la_topology, acqe_fc); | |
3818 | phba->sli4_hba.link_state.status = | |
3819 | bf_get(lpfc_acqe_fc_la_att_type, acqe_fc); | |
3820 | phba->sli4_hba.link_state.type = | |
3821 | bf_get(lpfc_acqe_fc_la_port_type, acqe_fc); | |
3822 | phba->sli4_hba.link_state.number = | |
3823 | bf_get(lpfc_acqe_fc_la_port_number, acqe_fc); | |
3824 | phba->sli4_hba.link_state.fault = | |
3825 | bf_get(lpfc_acqe_link_fault, acqe_fc); | |
3826 | phba->sli4_hba.link_state.logical_speed = | |
8b68cd52 | 3827 | bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10; |
70f3c073 JS |
3828 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
3829 | "2896 Async FC event - Speed:%dGBaud Topology:x%x " | |
3830 | "LA Type:x%x Port Type:%d Port Number:%d Logical speed:" | |
3831 | "%dMbps Fault:%d\n", | |
3832 | phba->sli4_hba.link_state.speed, | |
3833 | phba->sli4_hba.link_state.topology, | |
3834 | phba->sli4_hba.link_state.status, | |
3835 | phba->sli4_hba.link_state.type, | |
3836 | phba->sli4_hba.link_state.number, | |
8b68cd52 | 3837 | phba->sli4_hba.link_state.logical_speed, |
70f3c073 JS |
3838 | phba->sli4_hba.link_state.fault); |
3839 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3840 | if (!pmb) { | |
3841 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3842 | "2897 The mboxq allocation failed\n"); | |
3843 | return; | |
3844 | } | |
3845 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
3846 | if (!mp) { | |
3847 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3848 | "2898 The lpfc_dmabuf allocation failed\n"); | |
3849 | goto out_free_pmb; | |
3850 | } | |
3851 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
3852 | if (!mp->virt) { | |
3853 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3854 | "2899 The mbuf allocation failed\n"); | |
3855 | goto out_free_dmabuf; | |
3856 | } | |
3857 | ||
3858 | /* Cleanup any outstanding ELS commands */ | |
3859 | lpfc_els_flush_all_cmd(phba); | |
3860 | ||
3861 | /* Block ELS IOCBs until we have done process link event */ | |
3862 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
3863 | ||
3864 | /* Update link event statistics */ | |
3865 | phba->sli.slistat.link_event++; | |
3866 | ||
3867 | /* Create lpfc_handle_latt mailbox command from link ACQE */ | |
3868 | lpfc_read_topology(phba, pmb, mp); | |
3869 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; | |
3870 | pmb->vport = phba->pport; | |
3871 | ||
3872 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
3873 | if (rc == MBX_NOT_FINISHED) | |
3874 | goto out_free_dmabuf; | |
3875 | return; | |
3876 | ||
3877 | out_free_dmabuf: | |
3878 | kfree(mp); | |
3879 | out_free_pmb: | |
3880 | mempool_free(pmb, phba->mbox_mem_pool); | |
3881 | } | |
3882 | ||
3883 | /** | |
3884 | * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event | |
3885 | * @phba: pointer to lpfc hba data structure. | |
3886 | * @acqe_fc: pointer to the async SLI completion queue entry. | |
3887 | * | |
3888 | * This routine is to handle the SLI4 asynchronous SLI events. | |
3889 | **/ | |
3890 | static void | |
3891 | lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli) | |
3892 | { | |
4b8bae08 | 3893 | char port_name; |
8c1312e1 | 3894 | char message[128]; |
4b8bae08 JS |
3895 | uint8_t status; |
3896 | struct lpfc_acqe_misconfigured_event *misconfigured; | |
3897 | ||
3898 | /* special case misconfigured event as it contains data for all ports */ | |
3899 | if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
3900 | LPFC_SLI_INTF_IF_TYPE_2) || | |
3901 | (bf_get(lpfc_trailer_type, acqe_sli) != | |
3902 | LPFC_SLI_EVENT_TYPE_MISCONFIGURED)) { | |
3903 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3904 | "2901 Async SLI event - Event Data1:x%08x Event Data2:" | |
3905 | "x%08x SLI Event Type:%d\n", | |
3906 | acqe_sli->event_data1, acqe_sli->event_data2, | |
3907 | bf_get(lpfc_trailer_type, acqe_sli)); | |
3908 | return; | |
3909 | } | |
3910 | ||
3911 | port_name = phba->Port[0]; | |
3912 | if (port_name == 0x00) | |
3913 | port_name = '?'; /* get port name is empty */ | |
3914 | ||
3915 | misconfigured = (struct lpfc_acqe_misconfigured_event *) | |
3916 | &acqe_sli->event_data1; | |
3917 | ||
3918 | /* fetch the status for this port */ | |
3919 | switch (phba->sli4_hba.lnk_info.lnk_no) { | |
3920 | case LPFC_LINK_NUMBER_0: | |
3921 | status = bf_get(lpfc_sli_misconfigured_port0, | |
3922 | &misconfigured->theEvent); | |
3923 | break; | |
3924 | case LPFC_LINK_NUMBER_1: | |
3925 | status = bf_get(lpfc_sli_misconfigured_port1, | |
3926 | &misconfigured->theEvent); | |
3927 | break; | |
3928 | case LPFC_LINK_NUMBER_2: | |
3929 | status = bf_get(lpfc_sli_misconfigured_port2, | |
3930 | &misconfigured->theEvent); | |
3931 | break; | |
3932 | case LPFC_LINK_NUMBER_3: | |
3933 | status = bf_get(lpfc_sli_misconfigured_port3, | |
3934 | &misconfigured->theEvent); | |
3935 | break; | |
3936 | default: | |
3937 | status = ~LPFC_SLI_EVENT_STATUS_VALID; | |
3938 | break; | |
3939 | } | |
3940 | ||
3941 | switch (status) { | |
3942 | case LPFC_SLI_EVENT_STATUS_VALID: | |
3943 | return; /* no message if the sfp is okay */ | |
3944 | case LPFC_SLI_EVENT_STATUS_NOT_PRESENT: | |
292098be JS |
3945 | sprintf(message, "Optics faulted/incorrectly installed/not " \ |
3946 | "installed - Reseat optics, if issue not " | |
3947 | "resolved, replace."); | |
4b8bae08 JS |
3948 | break; |
3949 | case LPFC_SLI_EVENT_STATUS_WRONG_TYPE: | |
3950 | sprintf(message, | |
292098be JS |
3951 | "Optics of two types installed - Remove one optic or " \ |
3952 | "install matching pair of optics."); | |
4b8bae08 JS |
3953 | break; |
3954 | case LPFC_SLI_EVENT_STATUS_UNSUPPORTED: | |
292098be JS |
3955 | sprintf(message, "Incompatible optics - Replace with " \ |
3956 | "compatible optics for card to function."); | |
4b8bae08 JS |
3957 | break; |
3958 | default: | |
3959 | /* firmware is reporting a status we don't know about */ | |
3960 | sprintf(message, "Unknown event status x%02x", status); | |
3961 | break; | |
3962 | } | |
3963 | ||
3964 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3965 | "3176 Misconfigured Physical Port - " | |
3966 | "Port Name %c %s\n", port_name, message); | |
70f3c073 JS |
3967 | } |
3968 | ||
fc2b989b JS |
3969 | /** |
3970 | * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport | |
3971 | * @vport: pointer to vport data structure. | |
3972 | * | |
3973 | * This routine is to perform Clear Virtual Link (CVL) on a vport in | |
3974 | * response to a CVL event. | |
3975 | * | |
3976 | * Return the pointer to the ndlp with the vport if successful, otherwise | |
3977 | * return NULL. | |
3978 | **/ | |
3979 | static struct lpfc_nodelist * | |
3980 | lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport) | |
3981 | { | |
3982 | struct lpfc_nodelist *ndlp; | |
3983 | struct Scsi_Host *shost; | |
3984 | struct lpfc_hba *phba; | |
3985 | ||
3986 | if (!vport) | |
3987 | return NULL; | |
fc2b989b JS |
3988 | phba = vport->phba; |
3989 | if (!phba) | |
3990 | return NULL; | |
78730cfe JS |
3991 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
3992 | if (!ndlp) { | |
3993 | /* Cannot find existing Fabric ndlp, so allocate a new one */ | |
3994 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
3995 | if (!ndlp) | |
3996 | return 0; | |
3997 | lpfc_nlp_init(vport, ndlp, Fabric_DID); | |
3998 | /* Set the node type */ | |
3999 | ndlp->nlp_type |= NLP_FABRIC; | |
4000 | /* Put ndlp onto node list */ | |
4001 | lpfc_enqueue_node(vport, ndlp); | |
4002 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { | |
4003 | /* re-setup ndlp without removing from node list */ | |
4004 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); | |
4005 | if (!ndlp) | |
4006 | return 0; | |
4007 | } | |
63e801ce JS |
4008 | if ((phba->pport->port_state < LPFC_FLOGI) && |
4009 | (phba->pport->port_state != LPFC_VPORT_FAILED)) | |
fc2b989b JS |
4010 | return NULL; |
4011 | /* If virtual link is not yet instantiated ignore CVL */ | |
63e801ce JS |
4012 | if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC) |
4013 | && (vport->port_state != LPFC_VPORT_FAILED)) | |
fc2b989b JS |
4014 | return NULL; |
4015 | shost = lpfc_shost_from_vport(vport); | |
4016 | if (!shost) | |
4017 | return NULL; | |
4018 | lpfc_linkdown_port(vport); | |
4019 | lpfc_cleanup_pending_mbox(vport); | |
4020 | spin_lock_irq(shost->host_lock); | |
4021 | vport->fc_flag |= FC_VPORT_CVL_RCVD; | |
4022 | spin_unlock_irq(shost->host_lock); | |
4023 | ||
4024 | return ndlp; | |
4025 | } | |
4026 | ||
4027 | /** | |
4028 | * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports | |
4029 | * @vport: pointer to lpfc hba data structure. | |
4030 | * | |
4031 | * This routine is to perform Clear Virtual Link (CVL) on all vports in | |
4032 | * response to a FCF dead event. | |
4033 | **/ | |
4034 | static void | |
4035 | lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba) | |
4036 | { | |
4037 | struct lpfc_vport **vports; | |
4038 | int i; | |
4039 | ||
4040 | vports = lpfc_create_vport_work_array(phba); | |
4041 | if (vports) | |
4042 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) | |
4043 | lpfc_sli4_perform_vport_cvl(vports[i]); | |
4044 | lpfc_destroy_vport_work_array(phba, vports); | |
4045 | } | |
4046 | ||
25aee407 JS |
4047 | /** |
4048 | * lpfc_sli4_perform_inuse_fcf_recovery - Perform inuse fcf recovery | |
4049 | * @vport: pointer to lpfc hba data structure. | |
4050 | * | |
4051 | * This routine is to perform FCF recovery when the in-use FCF either dead or | |
4052 | * got modified. | |
4053 | **/ | |
4054 | static void | |
4055 | lpfc_sli4_perform_inuse_fcf_recovery(struct lpfc_hba *phba, | |
4056 | struct lpfc_acqe_fip *acqe_fip) | |
4057 | { | |
4058 | int rc; | |
4059 | ||
4060 | spin_lock_irq(&phba->hbalock); | |
4061 | /* Mark the fast failover process in progress */ | |
4062 | phba->fcf.fcf_flag |= FCF_DEAD_DISC; | |
4063 | spin_unlock_irq(&phba->hbalock); | |
4064 | ||
4065 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, | |
4066 | "2771 Start FCF fast failover process due to in-use " | |
4067 | "FCF DEAD/MODIFIED event: evt_tag:x%x, index:x%x\n", | |
4068 | acqe_fip->event_tag, acqe_fip->index); | |
4069 | rc = lpfc_sli4_redisc_fcf_table(phba); | |
4070 | if (rc) { | |
4071 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, | |
4072 | "2772 Issue FCF rediscover mabilbox command " | |
4073 | "failed, fail through to FCF dead event\n"); | |
4074 | spin_lock_irq(&phba->hbalock); | |
4075 | phba->fcf.fcf_flag &= ~FCF_DEAD_DISC; | |
4076 | spin_unlock_irq(&phba->hbalock); | |
4077 | /* | |
4078 | * Last resort will fail over by treating this as a link | |
4079 | * down to FCF registration. | |
4080 | */ | |
4081 | lpfc_sli4_fcf_dead_failthrough(phba); | |
4082 | } else { | |
4083 | /* Reset FCF roundrobin bmask for new discovery */ | |
4084 | lpfc_sli4_clear_fcf_rr_bmask(phba); | |
4085 | /* | |
4086 | * Handling fast FCF failover to a DEAD FCF event is | |
4087 | * considered equalivant to receiving CVL to all vports. | |
4088 | */ | |
4089 | lpfc_sli4_perform_all_vport_cvl(phba); | |
4090 | } | |
4091 | } | |
4092 | ||
da0436e9 | 4093 | /** |
76a95d75 | 4094 | * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event |
da0436e9 JS |
4095 | * @phba: pointer to lpfc hba data structure. |
4096 | * @acqe_link: pointer to the async fcoe completion queue entry. | |
4097 | * | |
4098 | * This routine is to handle the SLI4 asynchronous fcoe event. | |
4099 | **/ | |
4100 | static void | |
76a95d75 | 4101 | lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, |
70f3c073 | 4102 | struct lpfc_acqe_fip *acqe_fip) |
da0436e9 | 4103 | { |
70f3c073 | 4104 | uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip); |
da0436e9 | 4105 | int rc; |
6669f9bb JS |
4106 | struct lpfc_vport *vport; |
4107 | struct lpfc_nodelist *ndlp; | |
4108 | struct Scsi_Host *shost; | |
695a814e JS |
4109 | int active_vlink_present; |
4110 | struct lpfc_vport **vports; | |
4111 | int i; | |
da0436e9 | 4112 | |
70f3c073 JS |
4113 | phba->fc_eventTag = acqe_fip->event_tag; |
4114 | phba->fcoe_eventtag = acqe_fip->event_tag; | |
da0436e9 | 4115 | switch (event_type) { |
70f3c073 JS |
4116 | case LPFC_FIP_EVENT_TYPE_NEW_FCF: |
4117 | case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD: | |
4118 | if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF) | |
999d813f JS |
4119 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | |
4120 | LOG_DISCOVERY, | |
a93ff37a JS |
4121 | "2546 New FCF event, evt_tag:x%x, " |
4122 | "index:x%x\n", | |
70f3c073 JS |
4123 | acqe_fip->event_tag, |
4124 | acqe_fip->index); | |
999d813f JS |
4125 | else |
4126 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | | |
4127 | LOG_DISCOVERY, | |
a93ff37a JS |
4128 | "2788 FCF param modified event, " |
4129 | "evt_tag:x%x, index:x%x\n", | |
70f3c073 JS |
4130 | acqe_fip->event_tag, |
4131 | acqe_fip->index); | |
38b92ef8 | 4132 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { |
0c9ab6f5 JS |
4133 | /* |
4134 | * During period of FCF discovery, read the FCF | |
4135 | * table record indexed by the event to update | |
a93ff37a | 4136 | * FCF roundrobin failover eligible FCF bmask. |
0c9ab6f5 JS |
4137 | */ |
4138 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | | |
4139 | LOG_DISCOVERY, | |
a93ff37a JS |
4140 | "2779 Read FCF (x%x) for updating " |
4141 | "roundrobin FCF failover bmask\n", | |
70f3c073 JS |
4142 | acqe_fip->index); |
4143 | rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index); | |
0c9ab6f5 | 4144 | } |
38b92ef8 JS |
4145 | |
4146 | /* If the FCF discovery is in progress, do nothing. */ | |
3804dc84 | 4147 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 4148 | if (phba->hba_flag & FCF_TS_INPROG) { |
38b92ef8 JS |
4149 | spin_unlock_irq(&phba->hbalock); |
4150 | break; | |
4151 | } | |
4152 | /* If fast FCF failover rescan event is pending, do nothing */ | |
4153 | if (phba->fcf.fcf_flag & FCF_REDISC_EVT) { | |
4154 | spin_unlock_irq(&phba->hbalock); | |
4155 | break; | |
4156 | } | |
4157 | ||
25aee407 JS |
4158 | /* If FCF has been in discovered state, perform rediscovery |
4159 | * only if the FCF with the same index of the in-use FCF got | |
4160 | * modified during normal operation. Otherwise, do nothing. | |
4161 | */ | |
4162 | if (phba->pport->port_state > LPFC_FLOGI) { | |
3804dc84 | 4163 | spin_unlock_irq(&phba->hbalock); |
25aee407 JS |
4164 | if (phba->fcf.current_rec.fcf_indx == |
4165 | acqe_fip->index) { | |
4166 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
4167 | "3300 In-use FCF (%d) " | |
4168 | "modified, perform FCF " | |
4169 | "rediscovery\n", | |
4170 | acqe_fip->index); | |
4171 | lpfc_sli4_perform_inuse_fcf_recovery(phba, | |
4172 | acqe_fip); | |
4173 | } | |
3804dc84 JS |
4174 | break; |
4175 | } | |
4176 | spin_unlock_irq(&phba->hbalock); | |
38b92ef8 | 4177 | |
0c9ab6f5 JS |
4178 | /* Otherwise, scan the entire FCF table and re-discover SAN */ |
4179 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, | |
a93ff37a JS |
4180 | "2770 Start FCF table scan per async FCF " |
4181 | "event, evt_tag:x%x, index:x%x\n", | |
70f3c073 | 4182 | acqe_fip->event_tag, acqe_fip->index); |
0c9ab6f5 JS |
4183 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, |
4184 | LPFC_FCOE_FCF_GET_FIRST); | |
da0436e9 | 4185 | if (rc) |
0c9ab6f5 JS |
4186 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
4187 | "2547 Issue FCF scan read FCF mailbox " | |
a93ff37a | 4188 | "command failed (x%x)\n", rc); |
da0436e9 JS |
4189 | break; |
4190 | ||
70f3c073 | 4191 | case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL: |
da0436e9 | 4192 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e4e74273 | 4193 | "2548 FCF Table full count 0x%x tag 0x%x\n", |
70f3c073 JS |
4194 | bf_get(lpfc_acqe_fip_fcf_count, acqe_fip), |
4195 | acqe_fip->event_tag); | |
da0436e9 JS |
4196 | break; |
4197 | ||
70f3c073 | 4198 | case LPFC_FIP_EVENT_TYPE_FCF_DEAD: |
80c17849 | 4199 | phba->fcoe_cvl_eventtag = acqe_fip->event_tag; |
0c9ab6f5 | 4200 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
a93ff37a | 4201 | "2549 FCF (x%x) disconnected from network, " |
70f3c073 | 4202 | "tag:x%x\n", acqe_fip->index, acqe_fip->event_tag); |
38b92ef8 JS |
4203 | /* |
4204 | * If we are in the middle of FCF failover process, clear | |
4205 | * the corresponding FCF bit in the roundrobin bitmap. | |
da0436e9 | 4206 | */ |
fc2b989b | 4207 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 4208 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { |
fc2b989b | 4209 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 | 4210 | /* Update FLOGI FCF failover eligible FCF bmask */ |
70f3c073 | 4211 | lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index); |
fc2b989b JS |
4212 | break; |
4213 | } | |
38b92ef8 JS |
4214 | spin_unlock_irq(&phba->hbalock); |
4215 | ||
4216 | /* If the event is not for currently used fcf do nothing */ | |
70f3c073 | 4217 | if (phba->fcf.current_rec.fcf_indx != acqe_fip->index) |
38b92ef8 JS |
4218 | break; |
4219 | ||
4220 | /* | |
4221 | * Otherwise, request the port to rediscover the entire FCF | |
4222 | * table for a fast recovery from case that the current FCF | |
4223 | * is no longer valid as we are not in the middle of FCF | |
4224 | * failover process already. | |
4225 | */ | |
25aee407 | 4226 | lpfc_sli4_perform_inuse_fcf_recovery(phba, acqe_fip); |
da0436e9 | 4227 | break; |
70f3c073 | 4228 | case LPFC_FIP_EVENT_TYPE_CVL: |
80c17849 | 4229 | phba->fcoe_cvl_eventtag = acqe_fip->event_tag; |
0c9ab6f5 | 4230 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
6669f9bb | 4231 | "2718 Clear Virtual Link Received for VPI 0x%x" |
70f3c073 | 4232 | " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag); |
6d368e53 | 4233 | |
6669f9bb | 4234 | vport = lpfc_find_vport_by_vpid(phba, |
5248a749 | 4235 | acqe_fip->index); |
fc2b989b | 4236 | ndlp = lpfc_sli4_perform_vport_cvl(vport); |
6669f9bb JS |
4237 | if (!ndlp) |
4238 | break; | |
695a814e JS |
4239 | active_vlink_present = 0; |
4240 | ||
4241 | vports = lpfc_create_vport_work_array(phba); | |
4242 | if (vports) { | |
4243 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; | |
4244 | i++) { | |
4245 | if ((!(vports[i]->fc_flag & | |
4246 | FC_VPORT_CVL_RCVD)) && | |
4247 | (vports[i]->port_state > LPFC_FDISC)) { | |
4248 | active_vlink_present = 1; | |
4249 | break; | |
4250 | } | |
4251 | } | |
4252 | lpfc_destroy_vport_work_array(phba, vports); | |
4253 | } | |
4254 | ||
4255 | if (active_vlink_present) { | |
4256 | /* | |
4257 | * If there are other active VLinks present, | |
4258 | * re-instantiate the Vlink using FDISC. | |
4259 | */ | |
256ec0d0 JS |
4260 | mod_timer(&ndlp->nlp_delayfunc, |
4261 | jiffies + msecs_to_jiffies(1000)); | |
fc2b989b | 4262 | shost = lpfc_shost_from_vport(vport); |
6669f9bb JS |
4263 | spin_lock_irq(shost->host_lock); |
4264 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
4265 | spin_unlock_irq(shost->host_lock); | |
695a814e JS |
4266 | ndlp->nlp_last_elscmd = ELS_CMD_FDISC; |
4267 | vport->port_state = LPFC_FDISC; | |
4268 | } else { | |
ecfd03c6 JS |
4269 | /* |
4270 | * Otherwise, we request port to rediscover | |
4271 | * the entire FCF table for a fast recovery | |
4272 | * from possible case that the current FCF | |
0c9ab6f5 JS |
4273 | * is no longer valid if we are not already |
4274 | * in the FCF failover process. | |
ecfd03c6 | 4275 | */ |
fc2b989b | 4276 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 4277 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { |
fc2b989b JS |
4278 | spin_unlock_irq(&phba->hbalock); |
4279 | break; | |
4280 | } | |
4281 | /* Mark the fast failover process in progress */ | |
0c9ab6f5 | 4282 | phba->fcf.fcf_flag |= FCF_ACVL_DISC; |
fc2b989b | 4283 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 JS |
4284 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | |
4285 | LOG_DISCOVERY, | |
a93ff37a | 4286 | "2773 Start FCF failover per CVL, " |
70f3c073 | 4287 | "evt_tag:x%x\n", acqe_fip->event_tag); |
ecfd03c6 | 4288 | rc = lpfc_sli4_redisc_fcf_table(phba); |
fc2b989b | 4289 | if (rc) { |
0c9ab6f5 JS |
4290 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | |
4291 | LOG_DISCOVERY, | |
4292 | "2774 Issue FCF rediscover " | |
4293 | "mabilbox command failed, " | |
4294 | "through to CVL event\n"); | |
fc2b989b | 4295 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 4296 | phba->fcf.fcf_flag &= ~FCF_ACVL_DISC; |
fc2b989b | 4297 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
4298 | /* |
4299 | * Last resort will be re-try on the | |
4300 | * the current registered FCF entry. | |
4301 | */ | |
4302 | lpfc_retry_pport_discovery(phba); | |
38b92ef8 JS |
4303 | } else |
4304 | /* | |
4305 | * Reset FCF roundrobin bmask for new | |
4306 | * discovery. | |
4307 | */ | |
7d791df7 | 4308 | lpfc_sli4_clear_fcf_rr_bmask(phba); |
6669f9bb JS |
4309 | } |
4310 | break; | |
da0436e9 JS |
4311 | default: |
4312 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4313 | "0288 Unknown FCoE event type 0x%x event tag " | |
70f3c073 | 4314 | "0x%x\n", event_type, acqe_fip->event_tag); |
da0436e9 JS |
4315 | break; |
4316 | } | |
4317 | } | |
4318 | ||
4319 | /** | |
4320 | * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event | |
4321 | * @phba: pointer to lpfc hba data structure. | |
4322 | * @acqe_link: pointer to the async dcbx completion queue entry. | |
4323 | * | |
4324 | * This routine is to handle the SLI4 asynchronous dcbx event. | |
4325 | **/ | |
4326 | static void | |
4327 | lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba, | |
4328 | struct lpfc_acqe_dcbx *acqe_dcbx) | |
4329 | { | |
4d9ab994 | 4330 | phba->fc_eventTag = acqe_dcbx->event_tag; |
da0436e9 JS |
4331 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
4332 | "0290 The SLI4 DCBX asynchronous event is not " | |
4333 | "handled yet\n"); | |
4334 | } | |
4335 | ||
b19a061a JS |
4336 | /** |
4337 | * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event | |
4338 | * @phba: pointer to lpfc hba data structure. | |
4339 | * @acqe_link: pointer to the async grp5 completion queue entry. | |
4340 | * | |
4341 | * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event | |
4342 | * is an asynchronous notified of a logical link speed change. The Port | |
4343 | * reports the logical link speed in units of 10Mbps. | |
4344 | **/ | |
4345 | static void | |
4346 | lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba, | |
4347 | struct lpfc_acqe_grp5 *acqe_grp5) | |
4348 | { | |
4349 | uint16_t prev_ll_spd; | |
4350 | ||
4351 | phba->fc_eventTag = acqe_grp5->event_tag; | |
4352 | phba->fcoe_eventtag = acqe_grp5->event_tag; | |
4353 | prev_ll_spd = phba->sli4_hba.link_state.logical_speed; | |
4354 | phba->sli4_hba.link_state.logical_speed = | |
8b68cd52 | 4355 | (bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10; |
b19a061a JS |
4356 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
4357 | "2789 GRP5 Async Event: Updating logical link speed " | |
8b68cd52 JS |
4358 | "from %dMbps to %dMbps\n", prev_ll_spd, |
4359 | phba->sli4_hba.link_state.logical_speed); | |
b19a061a JS |
4360 | } |
4361 | ||
da0436e9 JS |
4362 | /** |
4363 | * lpfc_sli4_async_event_proc - Process all the pending asynchronous event | |
4364 | * @phba: pointer to lpfc hba data structure. | |
4365 | * | |
4366 | * This routine is invoked by the worker thread to process all the pending | |
4367 | * SLI4 asynchronous events. | |
4368 | **/ | |
4369 | void lpfc_sli4_async_event_proc(struct lpfc_hba *phba) | |
4370 | { | |
4371 | struct lpfc_cq_event *cq_event; | |
4372 | ||
4373 | /* First, declare the async event has been handled */ | |
4374 | spin_lock_irq(&phba->hbalock); | |
4375 | phba->hba_flag &= ~ASYNC_EVENT; | |
4376 | spin_unlock_irq(&phba->hbalock); | |
4377 | /* Now, handle all the async events */ | |
4378 | while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) { | |
4379 | /* Get the first event from the head of the event queue */ | |
4380 | spin_lock_irq(&phba->hbalock); | |
4381 | list_remove_head(&phba->sli4_hba.sp_asynce_work_queue, | |
4382 | cq_event, struct lpfc_cq_event, list); | |
4383 | spin_unlock_irq(&phba->hbalock); | |
4384 | /* Process the asynchronous event */ | |
4385 | switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) { | |
4386 | case LPFC_TRAILER_CODE_LINK: | |
4387 | lpfc_sli4_async_link_evt(phba, | |
4388 | &cq_event->cqe.acqe_link); | |
4389 | break; | |
4390 | case LPFC_TRAILER_CODE_FCOE: | |
70f3c073 | 4391 | lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip); |
da0436e9 JS |
4392 | break; |
4393 | case LPFC_TRAILER_CODE_DCBX: | |
4394 | lpfc_sli4_async_dcbx_evt(phba, | |
4395 | &cq_event->cqe.acqe_dcbx); | |
4396 | break; | |
b19a061a JS |
4397 | case LPFC_TRAILER_CODE_GRP5: |
4398 | lpfc_sli4_async_grp5_evt(phba, | |
4399 | &cq_event->cqe.acqe_grp5); | |
4400 | break; | |
70f3c073 JS |
4401 | case LPFC_TRAILER_CODE_FC: |
4402 | lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc); | |
4403 | break; | |
4404 | case LPFC_TRAILER_CODE_SLI: | |
4405 | lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli); | |
4406 | break; | |
da0436e9 JS |
4407 | default: |
4408 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4409 | "1804 Invalid asynchrous event code: " | |
4410 | "x%x\n", bf_get(lpfc_trailer_code, | |
4411 | &cq_event->cqe.mcqe_cmpl)); | |
4412 | break; | |
4413 | } | |
4414 | /* Free the completion event processed to the free pool */ | |
4415 | lpfc_sli4_cq_event_release(phba, cq_event); | |
4416 | } | |
4417 | } | |
4418 | ||
ecfd03c6 JS |
4419 | /** |
4420 | * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event | |
4421 | * @phba: pointer to lpfc hba data structure. | |
4422 | * | |
4423 | * This routine is invoked by the worker thread to process FCF table | |
4424 | * rediscovery pending completion event. | |
4425 | **/ | |
4426 | void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba) | |
4427 | { | |
4428 | int rc; | |
4429 | ||
4430 | spin_lock_irq(&phba->hbalock); | |
4431 | /* Clear FCF rediscovery timeout event */ | |
4432 | phba->fcf.fcf_flag &= ~FCF_REDISC_EVT; | |
4433 | /* Clear driver fast failover FCF record flag */ | |
4434 | phba->fcf.failover_rec.flag = 0; | |
4435 | /* Set state for FCF fast failover */ | |
4436 | phba->fcf.fcf_flag |= FCF_REDISC_FOV; | |
4437 | spin_unlock_irq(&phba->hbalock); | |
4438 | ||
4439 | /* Scan FCF table from the first entry to re-discover SAN */ | |
0c9ab6f5 | 4440 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, |
a93ff37a | 4441 | "2777 Start post-quiescent FCF table scan\n"); |
0c9ab6f5 | 4442 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); |
ecfd03c6 | 4443 | if (rc) |
0c9ab6f5 JS |
4444 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, |
4445 | "2747 Issue FCF scan read FCF mailbox " | |
4446 | "command failed 0x%x\n", rc); | |
ecfd03c6 JS |
4447 | } |
4448 | ||
da0436e9 JS |
4449 | /** |
4450 | * lpfc_api_table_setup - Set up per hba pci-device group func api jump table | |
4451 | * @phba: pointer to lpfc hba data structure. | |
4452 | * @dev_grp: The HBA PCI-Device group number. | |
4453 | * | |
4454 | * This routine is invoked to set up the per HBA PCI-Device group function | |
4455 | * API jump table entries. | |
4456 | * | |
4457 | * Return: 0 if success, otherwise -ENODEV | |
4458 | **/ | |
4459 | int | |
4460 | lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
4461 | { | |
4462 | int rc; | |
4463 | ||
4464 | /* Set up lpfc PCI-device group */ | |
4465 | phba->pci_dev_grp = dev_grp; | |
4466 | ||
4467 | /* The LPFC_PCI_DEV_OC uses SLI4 */ | |
4468 | if (dev_grp == LPFC_PCI_DEV_OC) | |
4469 | phba->sli_rev = LPFC_SLI_REV4; | |
4470 | ||
4471 | /* Set up device INIT API function jump table */ | |
4472 | rc = lpfc_init_api_table_setup(phba, dev_grp); | |
4473 | if (rc) | |
4474 | return -ENODEV; | |
4475 | /* Set up SCSI API function jump table */ | |
4476 | rc = lpfc_scsi_api_table_setup(phba, dev_grp); | |
4477 | if (rc) | |
4478 | return -ENODEV; | |
4479 | /* Set up SLI API function jump table */ | |
4480 | rc = lpfc_sli_api_table_setup(phba, dev_grp); | |
4481 | if (rc) | |
4482 | return -ENODEV; | |
4483 | /* Set up MBOX API function jump table */ | |
4484 | rc = lpfc_mbox_api_table_setup(phba, dev_grp); | |
4485 | if (rc) | |
4486 | return -ENODEV; | |
4487 | ||
4488 | return 0; | |
5b75da2f JS |
4489 | } |
4490 | ||
4491 | /** | |
3621a710 | 4492 | * lpfc_log_intr_mode - Log the active interrupt mode |
5b75da2f JS |
4493 | * @phba: pointer to lpfc hba data structure. |
4494 | * @intr_mode: active interrupt mode adopted. | |
4495 | * | |
4496 | * This routine it invoked to log the currently used active interrupt mode | |
4497 | * to the device. | |
3772a991 JS |
4498 | **/ |
4499 | static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode) | |
5b75da2f JS |
4500 | { |
4501 | switch (intr_mode) { | |
4502 | case 0: | |
4503 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4504 | "0470 Enable INTx interrupt mode.\n"); | |
4505 | break; | |
4506 | case 1: | |
4507 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4508 | "0481 Enabled MSI interrupt mode.\n"); | |
4509 | break; | |
4510 | case 2: | |
4511 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4512 | "0480 Enabled MSI-X interrupt mode.\n"); | |
4513 | break; | |
4514 | default: | |
4515 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4516 | "0482 Illegal interrupt mode.\n"); | |
4517 | break; | |
4518 | } | |
4519 | return; | |
4520 | } | |
4521 | ||
5b75da2f | 4522 | /** |
3772a991 | 4523 | * lpfc_enable_pci_dev - Enable a generic PCI device. |
5b75da2f JS |
4524 | * @phba: pointer to lpfc hba data structure. |
4525 | * | |
3772a991 JS |
4526 | * This routine is invoked to enable the PCI device that is common to all |
4527 | * PCI devices. | |
5b75da2f JS |
4528 | * |
4529 | * Return codes | |
af901ca1 | 4530 | * 0 - successful |
3772a991 | 4531 | * other values - error |
5b75da2f | 4532 | **/ |
3772a991 JS |
4533 | static int |
4534 | lpfc_enable_pci_dev(struct lpfc_hba *phba) | |
5b75da2f | 4535 | { |
3772a991 | 4536 | struct pci_dev *pdev; |
079b5c91 | 4537 | int bars = 0; |
5b75da2f | 4538 | |
3772a991 JS |
4539 | /* Obtain PCI device reference */ |
4540 | if (!phba->pcidev) | |
4541 | goto out_error; | |
4542 | else | |
4543 | pdev = phba->pcidev; | |
4544 | /* Select PCI BARs */ | |
4545 | bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
4546 | /* Enable PCI device */ | |
4547 | if (pci_enable_device_mem(pdev)) | |
4548 | goto out_error; | |
4549 | /* Request PCI resource for the device */ | |
4550 | if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME)) | |
4551 | goto out_disable_device; | |
4552 | /* Set up device as PCI master and save state for EEH */ | |
4553 | pci_set_master(pdev); | |
4554 | pci_try_set_mwi(pdev); | |
4555 | pci_save_state(pdev); | |
5b75da2f | 4556 | |
0558056c JS |
4557 | /* PCIe EEH recovery on powerpc platforms needs fundamental reset */ |
4558 | if (pci_find_capability(pdev, PCI_CAP_ID_EXP)) | |
4559 | pdev->needs_freset = 1; | |
4560 | ||
3772a991 | 4561 | return 0; |
5b75da2f | 4562 | |
3772a991 JS |
4563 | out_disable_device: |
4564 | pci_disable_device(pdev); | |
4565 | out_error: | |
079b5c91 JS |
4566 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
4567 | "1401 Failed to enable pci device, bars:x%x\n", bars); | |
3772a991 | 4568 | return -ENODEV; |
5b75da2f JS |
4569 | } |
4570 | ||
4571 | /** | |
3772a991 | 4572 | * lpfc_disable_pci_dev - Disable a generic PCI device. |
5b75da2f JS |
4573 | * @phba: pointer to lpfc hba data structure. |
4574 | * | |
3772a991 JS |
4575 | * This routine is invoked to disable the PCI device that is common to all |
4576 | * PCI devices. | |
5b75da2f JS |
4577 | **/ |
4578 | static void | |
3772a991 | 4579 | lpfc_disable_pci_dev(struct lpfc_hba *phba) |
5b75da2f | 4580 | { |
3772a991 JS |
4581 | struct pci_dev *pdev; |
4582 | int bars; | |
5b75da2f | 4583 | |
3772a991 JS |
4584 | /* Obtain PCI device reference */ |
4585 | if (!phba->pcidev) | |
4586 | return; | |
4587 | else | |
4588 | pdev = phba->pcidev; | |
4589 | /* Select PCI BARs */ | |
4590 | bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
4591 | /* Release PCI resource and disable PCI device */ | |
4592 | pci_release_selected_regions(pdev, bars); | |
4593 | pci_disable_device(pdev); | |
4594 | /* Null out PCI private reference to driver */ | |
4595 | pci_set_drvdata(pdev, NULL); | |
5b75da2f JS |
4596 | |
4597 | return; | |
4598 | } | |
4599 | ||
e59058c4 | 4600 | /** |
3772a991 JS |
4601 | * lpfc_reset_hba - Reset a hba |
4602 | * @phba: pointer to lpfc hba data structure. | |
e59058c4 | 4603 | * |
3772a991 JS |
4604 | * This routine is invoked to reset a hba device. It brings the HBA |
4605 | * offline, performs a board restart, and then brings the board back | |
4606 | * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up | |
4607 | * on outstanding mailbox commands. | |
e59058c4 | 4608 | **/ |
3772a991 JS |
4609 | void |
4610 | lpfc_reset_hba(struct lpfc_hba *phba) | |
dea3101e | 4611 | { |
3772a991 JS |
4612 | /* If resets are disabled then set error state and return. */ |
4613 | if (!phba->cfg_enable_hba_reset) { | |
4614 | phba->link_state = LPFC_HBA_ERROR; | |
4615 | return; | |
4616 | } | |
618a5230 | 4617 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
3772a991 JS |
4618 | lpfc_offline(phba); |
4619 | lpfc_sli_brdrestart(phba); | |
4620 | lpfc_online(phba); | |
4621 | lpfc_unblock_mgmt_io(phba); | |
4622 | } | |
dea3101e | 4623 | |
0a96e975 JS |
4624 | /** |
4625 | * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions | |
4626 | * @phba: pointer to lpfc hba data structure. | |
4627 | * | |
4628 | * This function enables the PCI SR-IOV virtual functions to a physical | |
4629 | * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to | |
4630 | * enable the number of virtual functions to the physical function. As | |
4631 | * not all devices support SR-IOV, the return code from the pci_enable_sriov() | |
4632 | * API call does not considered as an error condition for most of the device. | |
4633 | **/ | |
4634 | uint16_t | |
4635 | lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba) | |
4636 | { | |
4637 | struct pci_dev *pdev = phba->pcidev; | |
4638 | uint16_t nr_virtfn; | |
4639 | int pos; | |
4640 | ||
0a96e975 JS |
4641 | pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV); |
4642 | if (pos == 0) | |
4643 | return 0; | |
4644 | ||
4645 | pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn); | |
4646 | return nr_virtfn; | |
4647 | } | |
4648 | ||
912e3acd JS |
4649 | /** |
4650 | * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions | |
4651 | * @phba: pointer to lpfc hba data structure. | |
4652 | * @nr_vfn: number of virtual functions to be enabled. | |
4653 | * | |
4654 | * This function enables the PCI SR-IOV virtual functions to a physical | |
4655 | * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to | |
4656 | * enable the number of virtual functions to the physical function. As | |
4657 | * not all devices support SR-IOV, the return code from the pci_enable_sriov() | |
4658 | * API call does not considered as an error condition for most of the device. | |
4659 | **/ | |
4660 | int | |
4661 | lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn) | |
4662 | { | |
4663 | struct pci_dev *pdev = phba->pcidev; | |
0a96e975 | 4664 | uint16_t max_nr_vfn; |
912e3acd JS |
4665 | int rc; |
4666 | ||
0a96e975 JS |
4667 | max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba); |
4668 | if (nr_vfn > max_nr_vfn) { | |
4669 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4670 | "3057 Requested vfs (%d) greater than " | |
4671 | "supported vfs (%d)", nr_vfn, max_nr_vfn); | |
4672 | return -EINVAL; | |
4673 | } | |
4674 | ||
912e3acd JS |
4675 | rc = pci_enable_sriov(pdev, nr_vfn); |
4676 | if (rc) { | |
4677 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
4678 | "2806 Failed to enable sriov on this device " | |
4679 | "with vfn number nr_vf:%d, rc:%d\n", | |
4680 | nr_vfn, rc); | |
4681 | } else | |
4682 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
4683 | "2807 Successful enable sriov on this device " | |
4684 | "with vfn number nr_vf:%d\n", nr_vfn); | |
4685 | return rc; | |
4686 | } | |
4687 | ||
3772a991 JS |
4688 | /** |
4689 | * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev. | |
4690 | * @phba: pointer to lpfc hba data structure. | |
4691 | * | |
4692 | * This routine is invoked to set up the driver internal resources specific to | |
4693 | * support the SLI-3 HBA device it attached to. | |
4694 | * | |
4695 | * Return codes | |
af901ca1 | 4696 | * 0 - successful |
3772a991 JS |
4697 | * other values - error |
4698 | **/ | |
4699 | static int | |
4700 | lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) | |
4701 | { | |
4702 | struct lpfc_sli *psli; | |
912e3acd | 4703 | int rc; |
dea3101e | 4704 | |
2e0fef85 | 4705 | /* |
3772a991 | 4706 | * Initialize timers used by driver |
2e0fef85 | 4707 | */ |
dea3101e | 4708 | |
3772a991 | 4709 | /* Heartbeat timer */ |
858c9f6c JS |
4710 | init_timer(&phba->hb_tmofunc); |
4711 | phba->hb_tmofunc.function = lpfc_hb_timeout; | |
4712 | phba->hb_tmofunc.data = (unsigned long)phba; | |
4713 | ||
dea3101e | 4714 | psli = &phba->sli; |
3772a991 | 4715 | /* MBOX heartbeat timer */ |
dea3101e | 4716 | init_timer(&psli->mbox_tmo); |
4717 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
2e0fef85 | 4718 | psli->mbox_tmo.data = (unsigned long) phba; |
3772a991 | 4719 | /* FCP polling mode timer */ |
875fbdfe JSEC |
4720 | init_timer(&phba->fcp_poll_timer); |
4721 | phba->fcp_poll_timer.function = lpfc_poll_timeout; | |
2e0fef85 | 4722 | phba->fcp_poll_timer.data = (unsigned long) phba; |
3772a991 | 4723 | /* Fabric block timer */ |
92d7f7b0 JS |
4724 | init_timer(&phba->fabric_block_timer); |
4725 | phba->fabric_block_timer.function = lpfc_fabric_block_timeout; | |
4726 | phba->fabric_block_timer.data = (unsigned long) phba; | |
3772a991 | 4727 | /* EA polling mode timer */ |
9399627f JS |
4728 | init_timer(&phba->eratt_poll); |
4729 | phba->eratt_poll.function = lpfc_poll_eratt; | |
4730 | phba->eratt_poll.data = (unsigned long) phba; | |
dea3101e | 4731 | |
3772a991 JS |
4732 | /* Host attention work mask setup */ |
4733 | phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT); | |
4734 | phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); | |
dea3101e | 4735 | |
3772a991 JS |
4736 | /* Get all the module params for configuring this host */ |
4737 | lpfc_get_cfgparam(phba); | |
49198b37 JS |
4738 | if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) { |
4739 | phba->menlo_flag |= HBA_MENLO_SUPPORT; | |
4740 | /* check for menlo minimum sg count */ | |
4741 | if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT) | |
4742 | phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT; | |
4743 | } | |
4744 | ||
2a76a283 JS |
4745 | if (!phba->sli.ring) |
4746 | phba->sli.ring = (struct lpfc_sli_ring *) | |
4747 | kzalloc(LPFC_SLI3_MAX_RING * | |
4748 | sizeof(struct lpfc_sli_ring), GFP_KERNEL); | |
4749 | if (!phba->sli.ring) | |
4750 | return -ENOMEM; | |
4751 | ||
dea3101e | 4752 | /* |
96f7077f | 4753 | * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size |
3772a991 | 4754 | * used to create the sg_dma_buf_pool must be dynamically calculated. |
dea3101e | 4755 | */ |
3772a991 | 4756 | |
96f7077f JS |
4757 | /* Initialize the host templates the configured values. */ |
4758 | lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
4759 | lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
4760 | ||
4761 | /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */ | |
3772a991 | 4762 | if (phba->cfg_enable_bg) { |
96f7077f JS |
4763 | /* |
4764 | * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd, | |
4765 | * the FCP rsp, and a BDE for each. Sice we have no control | |
4766 | * over how many protection data segments the SCSI Layer | |
4767 | * will hand us (ie: there could be one for every block | |
4768 | * in the IO), we just allocate enough BDEs to accomidate | |
4769 | * our max amount and we need to limit lpfc_sg_seg_cnt to | |
4770 | * minimize the risk of running out. | |
4771 | */ | |
4772 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
4773 | sizeof(struct fcp_rsp) + | |
4774 | (LPFC_MAX_SG_SEG_CNT * sizeof(struct ulp_bde64)); | |
4775 | ||
4776 | if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SEG_CNT_DIF) | |
4777 | phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT_DIF; | |
4778 | ||
4779 | /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */ | |
4780 | phba->cfg_total_seg_cnt = LPFC_MAX_SG_SEG_CNT; | |
4781 | } else { | |
4782 | /* | |
4783 | * The scsi_buf for a regular I/O will hold the FCP cmnd, | |
4784 | * the FCP rsp, a BDE for each, and a BDE for up to | |
4785 | * cfg_sg_seg_cnt data segments. | |
4786 | */ | |
4787 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
4788 | sizeof(struct fcp_rsp) + | |
4789 | ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64)); | |
4790 | ||
4791 | /* Total BDEs in BPL for scsi_sg_list */ | |
4792 | phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2; | |
901a920f | 4793 | } |
dea3101e | 4794 | |
96f7077f JS |
4795 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP, |
4796 | "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n", | |
4797 | phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size, | |
4798 | phba->cfg_total_seg_cnt); | |
dea3101e | 4799 | |
3772a991 JS |
4800 | phba->max_vpi = LPFC_MAX_VPI; |
4801 | /* This will be set to correct value after config_port mbox */ | |
4802 | phba->max_vports = 0; | |
dea3101e | 4803 | |
3772a991 JS |
4804 | /* |
4805 | * Initialize the SLI Layer to run with lpfc HBAs. | |
4806 | */ | |
4807 | lpfc_sli_setup(phba); | |
4808 | lpfc_sli_queue_setup(phba); | |
ed957684 | 4809 | |
3772a991 JS |
4810 | /* Allocate device driver memory */ |
4811 | if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ)) | |
4812 | return -ENOMEM; | |
51ef4c26 | 4813 | |
912e3acd JS |
4814 | /* |
4815 | * Enable sr-iov virtual functions if supported and configured | |
4816 | * through the module parameter. | |
4817 | */ | |
4818 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
4819 | rc = lpfc_sli_probe_sriov_nr_virtfn(phba, | |
4820 | phba->cfg_sriov_nr_virtfn); | |
4821 | if (rc) { | |
4822 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
4823 | "2808 Requested number of SR-IOV " | |
4824 | "virtual functions (%d) is not " | |
4825 | "supported\n", | |
4826 | phba->cfg_sriov_nr_virtfn); | |
4827 | phba->cfg_sriov_nr_virtfn = 0; | |
4828 | } | |
4829 | } | |
4830 | ||
3772a991 JS |
4831 | return 0; |
4832 | } | |
ed957684 | 4833 | |
3772a991 JS |
4834 | /** |
4835 | * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev | |
4836 | * @phba: pointer to lpfc hba data structure. | |
4837 | * | |
4838 | * This routine is invoked to unset the driver internal resources set up | |
4839 | * specific for supporting the SLI-3 HBA device it attached to. | |
4840 | **/ | |
4841 | static void | |
4842 | lpfc_sli_driver_resource_unset(struct lpfc_hba *phba) | |
4843 | { | |
4844 | /* Free device driver memory allocated */ | |
4845 | lpfc_mem_free_all(phba); | |
3163f725 | 4846 | |
3772a991 JS |
4847 | return; |
4848 | } | |
dea3101e | 4849 | |
3772a991 | 4850 | /** |
da0436e9 | 4851 | * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev |
3772a991 JS |
4852 | * @phba: pointer to lpfc hba data structure. |
4853 | * | |
da0436e9 JS |
4854 | * This routine is invoked to set up the driver internal resources specific to |
4855 | * support the SLI-4 HBA device it attached to. | |
3772a991 JS |
4856 | * |
4857 | * Return codes | |
af901ca1 | 4858 | * 0 - successful |
da0436e9 | 4859 | * other values - error |
3772a991 JS |
4860 | **/ |
4861 | static int | |
da0436e9 | 4862 | lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) |
3772a991 | 4863 | { |
da0436e9 | 4864 | struct lpfc_sli *psli; |
28baac74 | 4865 | LPFC_MBOXQ_t *mboxq; |
96f7077f | 4866 | int rc, i, hbq_count, max_buf_size; |
28baac74 JS |
4867 | uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0}; |
4868 | struct lpfc_mqe *mqe; | |
09294d46 | 4869 | int longs; |
da0436e9 JS |
4870 | |
4871 | /* Before proceed, wait for POST done and device ready */ | |
4872 | rc = lpfc_sli4_post_status_check(phba); | |
4873 | if (rc) | |
4874 | return -ENODEV; | |
4875 | ||
3772a991 | 4876 | /* |
da0436e9 | 4877 | * Initialize timers used by driver |
3772a991 | 4878 | */ |
3772a991 | 4879 | |
da0436e9 JS |
4880 | /* Heartbeat timer */ |
4881 | init_timer(&phba->hb_tmofunc); | |
4882 | phba->hb_tmofunc.function = lpfc_hb_timeout; | |
4883 | phba->hb_tmofunc.data = (unsigned long)phba; | |
19ca7609 JS |
4884 | init_timer(&phba->rrq_tmr); |
4885 | phba->rrq_tmr.function = lpfc_rrq_timeout; | |
4886 | phba->rrq_tmr.data = (unsigned long)phba; | |
3772a991 | 4887 | |
da0436e9 JS |
4888 | psli = &phba->sli; |
4889 | /* MBOX heartbeat timer */ | |
4890 | init_timer(&psli->mbox_tmo); | |
4891 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
4892 | psli->mbox_tmo.data = (unsigned long) phba; | |
4893 | /* Fabric block timer */ | |
4894 | init_timer(&phba->fabric_block_timer); | |
4895 | phba->fabric_block_timer.function = lpfc_fabric_block_timeout; | |
4896 | phba->fabric_block_timer.data = (unsigned long) phba; | |
4897 | /* EA polling mode timer */ | |
4898 | init_timer(&phba->eratt_poll); | |
4899 | phba->eratt_poll.function = lpfc_poll_eratt; | |
4900 | phba->eratt_poll.data = (unsigned long) phba; | |
ecfd03c6 JS |
4901 | /* FCF rediscover timer */ |
4902 | init_timer(&phba->fcf.redisc_wait); | |
4903 | phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo; | |
4904 | phba->fcf.redisc_wait.data = (unsigned long)phba; | |
4905 | ||
7ad20aa9 JS |
4906 | /* |
4907 | * Control structure for handling external multi-buffer mailbox | |
4908 | * command pass-through. | |
4909 | */ | |
4910 | memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0, | |
4911 | sizeof(struct lpfc_mbox_ext_buf_ctx)); | |
4912 | INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list); | |
4913 | ||
da0436e9 JS |
4914 | /* |
4915 | * We need to do a READ_CONFIG mailbox command here before | |
4916 | * calling lpfc_get_cfgparam. For VFs this will report the | |
4917 | * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings. | |
4918 | * All of the resources allocated | |
4919 | * for this Port are tied to these values. | |
4920 | */ | |
4921 | /* Get all the module params for configuring this host */ | |
4922 | lpfc_get_cfgparam(phba); | |
4923 | phba->max_vpi = LPFC_MAX_VPI; | |
67d12733 JS |
4924 | |
4925 | /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */ | |
4926 | phba->cfg_fcp_io_channel = phba->cfg_fcp_eq_count; | |
4927 | ||
da0436e9 JS |
4928 | /* This will be set to correct value after the read_config mbox */ |
4929 | phba->max_vports = 0; | |
3772a991 | 4930 | |
da0436e9 JS |
4931 | /* Program the default value of vlan_id and fc_map */ |
4932 | phba->valid_vlan = 0; | |
4933 | phba->fc_map[0] = LPFC_FCOE_FCF_MAP0; | |
4934 | phba->fc_map[1] = LPFC_FCOE_FCF_MAP1; | |
4935 | phba->fc_map[2] = LPFC_FCOE_FCF_MAP2; | |
3772a991 | 4936 | |
2a76a283 JS |
4937 | /* |
4938 | * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands | |
4939 | * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple. | |
4940 | */ | |
4941 | if (!phba->sli.ring) | |
4942 | phba->sli.ring = kzalloc( | |
67d12733 | 4943 | (LPFC_SLI3_MAX_RING + phba->cfg_fcp_io_channel) * |
2a76a283 JS |
4944 | sizeof(struct lpfc_sli_ring), GFP_KERNEL); |
4945 | if (!phba->sli.ring) | |
4946 | return -ENOMEM; | |
09294d46 JS |
4947 | |
4948 | /* | |
4949 | * It doesn't matter what family our adapter is in, we are | |
4950 | * limited to 2 Pages, 512 SGEs, for our SGL. | |
4951 | * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp | |
4952 | */ | |
4953 | max_buf_size = (2 * SLI4_PAGE_SIZE); | |
4954 | if (phba->cfg_sg_seg_cnt > LPFC_MAX_SGL_SEG_CNT - 2) | |
4955 | phba->cfg_sg_seg_cnt = LPFC_MAX_SGL_SEG_CNT - 2; | |
09294d46 | 4956 | |
da0436e9 | 4957 | /* |
96f7077f | 4958 | * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size |
da0436e9 | 4959 | * used to create the sg_dma_buf_pool must be dynamically calculated. |
da0436e9 | 4960 | */ |
96f7077f JS |
4961 | |
4962 | if (phba->cfg_enable_bg) { | |
4963 | /* | |
4964 | * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd, | |
4965 | * the FCP rsp, and a SGE for each. Sice we have no control | |
4966 | * over how many protection data segments the SCSI Layer | |
4967 | * will hand us (ie: there could be one for every block | |
4968 | * in the IO), we just allocate enough SGEs to accomidate | |
4969 | * our max amount and we need to limit lpfc_sg_seg_cnt to | |
4970 | * minimize the risk of running out. | |
4971 | */ | |
4972 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
4973 | sizeof(struct fcp_rsp) + max_buf_size; | |
4974 | ||
4975 | /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */ | |
4976 | phba->cfg_total_seg_cnt = LPFC_MAX_SGL_SEG_CNT; | |
4977 | ||
4978 | if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SLI4_SEG_CNT_DIF) | |
4979 | phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SLI4_SEG_CNT_DIF; | |
4980 | } else { | |
4981 | /* | |
4982 | * The scsi_buf for a regular I/O will hold the FCP cmnd, | |
4983 | * the FCP rsp, a SGE for each, and a SGE for up to | |
4984 | * cfg_sg_seg_cnt data segments. | |
4985 | */ | |
4986 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
4987 | sizeof(struct fcp_rsp) + | |
4988 | ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge)); | |
4989 | ||
4990 | /* Total SGEs for scsi_sg_list */ | |
4991 | phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2; | |
4992 | /* | |
4993 | * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only need | |
4994 | * to post 1 page for the SGL. | |
4995 | */ | |
4996 | } | |
4997 | ||
4998 | /* Initialize the host templates with the updated values. */ | |
4999 | lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
5000 | lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
5001 | ||
5002 | if (phba->cfg_sg_dma_buf_size <= LPFC_MIN_SG_SLI4_BUF_SZ) | |
5003 | phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ; | |
5004 | else | |
5005 | phba->cfg_sg_dma_buf_size = | |
5006 | SLI4_PAGE_ALIGN(phba->cfg_sg_dma_buf_size); | |
5007 | ||
5008 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP, | |
5009 | "9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n", | |
5010 | phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size, | |
5011 | phba->cfg_total_seg_cnt); | |
3772a991 | 5012 | |
da0436e9 JS |
5013 | /* Initialize buffer queue management fields */ |
5014 | hbq_count = lpfc_sli_hbq_count(); | |
5015 | for (i = 0; i < hbq_count; ++i) | |
5016 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
5017 | INIT_LIST_HEAD(&phba->rb_pend_list); | |
5018 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc; | |
5019 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free; | |
3772a991 | 5020 | |
da0436e9 JS |
5021 | /* |
5022 | * Initialize the SLI Layer to run with lpfc SLI4 HBAs. | |
5023 | */ | |
5024 | /* Initialize the Abort scsi buffer list used by driver */ | |
5025 | spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
5026 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
5027 | /* This abort list used by worker thread */ | |
5028 | spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock); | |
3772a991 | 5029 | |
da0436e9 | 5030 | /* |
6d368e53 | 5031 | * Initialize driver internal slow-path work queues |
da0436e9 | 5032 | */ |
3772a991 | 5033 | |
da0436e9 JS |
5034 | /* Driver internel slow-path CQ Event pool */ |
5035 | INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool); | |
5036 | /* Response IOCB work queue list */ | |
45ed1190 | 5037 | INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event); |
da0436e9 JS |
5038 | /* Asynchronous event CQ Event work queue list */ |
5039 | INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue); | |
5040 | /* Fast-path XRI aborted CQ Event work queue list */ | |
5041 | INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue); | |
5042 | /* Slow-path XRI aborted CQ Event work queue list */ | |
5043 | INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue); | |
5044 | /* Receive queue CQ Event work queue list */ | |
5045 | INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue); | |
5046 | ||
6d368e53 JS |
5047 | /* Initialize extent block lists. */ |
5048 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list); | |
5049 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list); | |
5050 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list); | |
5051 | INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list); | |
5052 | ||
da0436e9 JS |
5053 | /* Initialize the driver internal SLI layer lists. */ |
5054 | lpfc_sli_setup(phba); | |
5055 | lpfc_sli_queue_setup(phba); | |
3772a991 | 5056 | |
da0436e9 JS |
5057 | /* Allocate device driver memory */ |
5058 | rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ); | |
5059 | if (rc) | |
5060 | return -ENOMEM; | |
5061 | ||
2fcee4bf JS |
5062 | /* IF Type 2 ports get initialized now. */ |
5063 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == | |
5064 | LPFC_SLI_INTF_IF_TYPE_2) { | |
5065 | rc = lpfc_pci_function_reset(phba); | |
5066 | if (unlikely(rc)) | |
5067 | return -ENODEV; | |
5068 | } | |
5069 | ||
da0436e9 JS |
5070 | /* Create the bootstrap mailbox command */ |
5071 | rc = lpfc_create_bootstrap_mbox(phba); | |
5072 | if (unlikely(rc)) | |
5073 | goto out_free_mem; | |
5074 | ||
5075 | /* Set up the host's endian order with the device. */ | |
5076 | rc = lpfc_setup_endian_order(phba); | |
5077 | if (unlikely(rc)) | |
5078 | goto out_free_bsmbx; | |
5079 | ||
5080 | /* Set up the hba's configuration parameters. */ | |
5081 | rc = lpfc_sli4_read_config(phba); | |
5082 | if (unlikely(rc)) | |
5083 | goto out_free_bsmbx; | |
5084 | ||
2fcee4bf JS |
5085 | /* IF Type 0 ports get initialized now. */ |
5086 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == | |
5087 | LPFC_SLI_INTF_IF_TYPE_0) { | |
5088 | rc = lpfc_pci_function_reset(phba); | |
5089 | if (unlikely(rc)) | |
5090 | goto out_free_bsmbx; | |
5091 | } | |
da0436e9 | 5092 | |
cb5172ea JS |
5093 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, |
5094 | GFP_KERNEL); | |
5095 | if (!mboxq) { | |
5096 | rc = -ENOMEM; | |
5097 | goto out_free_bsmbx; | |
5098 | } | |
5099 | ||
fedd3b7b | 5100 | /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */ |
cb5172ea JS |
5101 | lpfc_supported_pages(mboxq); |
5102 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
fedd3b7b JS |
5103 | if (!rc) { |
5104 | mqe = &mboxq->u.mqe; | |
5105 | memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3), | |
5106 | LPFC_MAX_SUPPORTED_PAGES); | |
5107 | for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) { | |
5108 | switch (pn_page[i]) { | |
5109 | case LPFC_SLI4_PARAMETERS: | |
5110 | phba->sli4_hba.pc_sli4_params.supported = 1; | |
5111 | break; | |
5112 | default: | |
5113 | break; | |
5114 | } | |
5115 | } | |
5116 | /* Read the port's SLI4 Parameters capabilities if supported. */ | |
5117 | if (phba->sli4_hba.pc_sli4_params.supported) | |
5118 | rc = lpfc_pc_sli4_params_get(phba, mboxq); | |
5119 | if (rc) { | |
5120 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5121 | rc = -EIO; | |
5122 | goto out_free_bsmbx; | |
cb5172ea JS |
5123 | } |
5124 | } | |
fedd3b7b JS |
5125 | /* |
5126 | * Get sli4 parameters that override parameters from Port capabilities. | |
6d368e53 JS |
5127 | * If this call fails, it isn't critical unless the SLI4 parameters come |
5128 | * back in conflict. | |
fedd3b7b | 5129 | */ |
6d368e53 JS |
5130 | rc = lpfc_get_sli4_parameters(phba, mboxq); |
5131 | if (rc) { | |
5132 | if (phba->sli4_hba.extents_in_use && | |
5133 | phba->sli4_hba.rpi_hdrs_in_use) { | |
5134 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5135 | "2999 Unsupported SLI4 Parameters " | |
5136 | "Extents and RPI headers enabled.\n"); | |
5137 | goto out_free_bsmbx; | |
5138 | } | |
5139 | } | |
cb5172ea | 5140 | mempool_free(mboxq, phba->mbox_mem_pool); |
5350d872 JS |
5141 | /* Verify all the SLI4 queues */ |
5142 | rc = lpfc_sli4_queue_verify(phba); | |
da0436e9 JS |
5143 | if (rc) |
5144 | goto out_free_bsmbx; | |
5145 | ||
5146 | /* Create driver internal CQE event pool */ | |
5147 | rc = lpfc_sli4_cq_event_pool_create(phba); | |
5148 | if (rc) | |
5350d872 | 5149 | goto out_free_bsmbx; |
da0436e9 | 5150 | |
8a9d2e80 JS |
5151 | /* Initialize sgl lists per host */ |
5152 | lpfc_init_sgl_list(phba); | |
5153 | ||
5154 | /* Allocate and initialize active sgl array */ | |
da0436e9 JS |
5155 | rc = lpfc_init_active_sgl_array(phba); |
5156 | if (rc) { | |
5157 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5158 | "1430 Failed to initialize sgl list.\n"); | |
8a9d2e80 | 5159 | goto out_destroy_cq_event_pool; |
da0436e9 | 5160 | } |
da0436e9 JS |
5161 | rc = lpfc_sli4_init_rpi_hdrs(phba); |
5162 | if (rc) { | |
5163 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5164 | "1432 Failed to initialize rpi headers.\n"); | |
5165 | goto out_free_active_sgl; | |
5166 | } | |
5167 | ||
a93ff37a | 5168 | /* Allocate eligible FCF bmask memory for FCF roundrobin failover */ |
0c9ab6f5 JS |
5169 | longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG; |
5170 | phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long), | |
5171 | GFP_KERNEL); | |
5172 | if (!phba->fcf.fcf_rr_bmask) { | |
5173 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5174 | "2759 Failed allocate memory for FCF round " | |
5175 | "robin failover bmask\n"); | |
0558056c | 5176 | rc = -ENOMEM; |
0c9ab6f5 JS |
5177 | goto out_remove_rpi_hdrs; |
5178 | } | |
5179 | ||
67d12733 JS |
5180 | phba->sli4_hba.fcp_eq_hdl = |
5181 | kzalloc((sizeof(struct lpfc_fcp_eq_hdl) * | |
5182 | phba->cfg_fcp_io_channel), GFP_KERNEL); | |
5183 | if (!phba->sli4_hba.fcp_eq_hdl) { | |
5184 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5185 | "2572 Failed allocate memory for " | |
5186 | "fast-path per-EQ handle array\n"); | |
5187 | rc = -ENOMEM; | |
5188 | goto out_free_fcf_rr_bmask; | |
da0436e9 JS |
5189 | } |
5190 | ||
5191 | phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) * | |
82c3e9ba | 5192 | phba->cfg_fcp_io_channel), GFP_KERNEL); |
da0436e9 JS |
5193 | if (!phba->sli4_hba.msix_entries) { |
5194 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5195 | "2573 Failed allocate memory for msi-x " | |
5196 | "interrupt vector entries\n"); | |
0558056c | 5197 | rc = -ENOMEM; |
da0436e9 JS |
5198 | goto out_free_fcp_eq_hdl; |
5199 | } | |
5200 | ||
912e3acd JS |
5201 | /* |
5202 | * Enable sr-iov virtual functions if supported and configured | |
5203 | * through the module parameter. | |
5204 | */ | |
5205 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
5206 | rc = lpfc_sli_probe_sriov_nr_virtfn(phba, | |
5207 | phba->cfg_sriov_nr_virtfn); | |
5208 | if (rc) { | |
5209 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5210 | "3020 Requested number of SR-IOV " | |
5211 | "virtual functions (%d) is not " | |
5212 | "supported\n", | |
5213 | phba->cfg_sriov_nr_virtfn); | |
5214 | phba->cfg_sriov_nr_virtfn = 0; | |
5215 | } | |
5216 | } | |
5217 | ||
5248a749 | 5218 | return 0; |
da0436e9 JS |
5219 | |
5220 | out_free_fcp_eq_hdl: | |
5221 | kfree(phba->sli4_hba.fcp_eq_hdl); | |
0c9ab6f5 JS |
5222 | out_free_fcf_rr_bmask: |
5223 | kfree(phba->fcf.fcf_rr_bmask); | |
da0436e9 JS |
5224 | out_remove_rpi_hdrs: |
5225 | lpfc_sli4_remove_rpi_hdrs(phba); | |
5226 | out_free_active_sgl: | |
5227 | lpfc_free_active_sgl(phba); | |
da0436e9 JS |
5228 | out_destroy_cq_event_pool: |
5229 | lpfc_sli4_cq_event_pool_destroy(phba); | |
da0436e9 JS |
5230 | out_free_bsmbx: |
5231 | lpfc_destroy_bootstrap_mbox(phba); | |
5232 | out_free_mem: | |
5233 | lpfc_mem_free(phba); | |
5234 | return rc; | |
5235 | } | |
5236 | ||
5237 | /** | |
5238 | * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev | |
5239 | * @phba: pointer to lpfc hba data structure. | |
5240 | * | |
5241 | * This routine is invoked to unset the driver internal resources set up | |
5242 | * specific for supporting the SLI-4 HBA device it attached to. | |
5243 | **/ | |
5244 | static void | |
5245 | lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba) | |
5246 | { | |
5247 | struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; | |
5248 | ||
da0436e9 JS |
5249 | /* Free memory allocated for msi-x interrupt vector entries */ |
5250 | kfree(phba->sli4_hba.msix_entries); | |
5251 | ||
5252 | /* Free memory allocated for fast-path work queue handles */ | |
5253 | kfree(phba->sli4_hba.fcp_eq_hdl); | |
5254 | ||
5255 | /* Free the allocated rpi headers. */ | |
5256 | lpfc_sli4_remove_rpi_hdrs(phba); | |
d11e31dd | 5257 | lpfc_sli4_remove_rpis(phba); |
da0436e9 | 5258 | |
0c9ab6f5 JS |
5259 | /* Free eligible FCF index bmask */ |
5260 | kfree(phba->fcf.fcf_rr_bmask); | |
5261 | ||
da0436e9 JS |
5262 | /* Free the ELS sgl list */ |
5263 | lpfc_free_active_sgl(phba); | |
8a9d2e80 | 5264 | lpfc_free_els_sgl_list(phba); |
da0436e9 | 5265 | |
da0436e9 JS |
5266 | /* Free the completion queue EQ event pool */ |
5267 | lpfc_sli4_cq_event_release_all(phba); | |
5268 | lpfc_sli4_cq_event_pool_destroy(phba); | |
5269 | ||
6d368e53 JS |
5270 | /* Release resource identifiers. */ |
5271 | lpfc_sli4_dealloc_resource_identifiers(phba); | |
5272 | ||
da0436e9 JS |
5273 | /* Free the bsmbx region. */ |
5274 | lpfc_destroy_bootstrap_mbox(phba); | |
5275 | ||
5276 | /* Free the SLI Layer memory with SLI4 HBAs */ | |
5277 | lpfc_mem_free_all(phba); | |
5278 | ||
5279 | /* Free the current connect table */ | |
5280 | list_for_each_entry_safe(conn_entry, next_conn_entry, | |
4d9ab994 JS |
5281 | &phba->fcf_conn_rec_list, list) { |
5282 | list_del_init(&conn_entry->list); | |
da0436e9 | 5283 | kfree(conn_entry); |
4d9ab994 | 5284 | } |
da0436e9 JS |
5285 | |
5286 | return; | |
5287 | } | |
5288 | ||
5289 | /** | |
25985edc | 5290 | * lpfc_init_api_table_setup - Set up init api function jump table |
da0436e9 JS |
5291 | * @phba: The hba struct for which this call is being executed. |
5292 | * @dev_grp: The HBA PCI-Device group number. | |
5293 | * | |
5294 | * This routine sets up the device INIT interface API function jump table | |
5295 | * in @phba struct. | |
5296 | * | |
5297 | * Returns: 0 - success, -ENODEV - failure. | |
5298 | **/ | |
5299 | int | |
5300 | lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
5301 | { | |
84d1b006 JS |
5302 | phba->lpfc_hba_init_link = lpfc_hba_init_link; |
5303 | phba->lpfc_hba_down_link = lpfc_hba_down_link; | |
7f86059a | 5304 | phba->lpfc_selective_reset = lpfc_selective_reset; |
da0436e9 JS |
5305 | switch (dev_grp) { |
5306 | case LPFC_PCI_DEV_LP: | |
5307 | phba->lpfc_hba_down_post = lpfc_hba_down_post_s3; | |
5308 | phba->lpfc_handle_eratt = lpfc_handle_eratt_s3; | |
5309 | phba->lpfc_stop_port = lpfc_stop_port_s3; | |
5310 | break; | |
5311 | case LPFC_PCI_DEV_OC: | |
5312 | phba->lpfc_hba_down_post = lpfc_hba_down_post_s4; | |
5313 | phba->lpfc_handle_eratt = lpfc_handle_eratt_s4; | |
5314 | phba->lpfc_stop_port = lpfc_stop_port_s4; | |
5315 | break; | |
5316 | default: | |
5317 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5318 | "1431 Invalid HBA PCI-device group: 0x%x\n", | |
5319 | dev_grp); | |
5320 | return -ENODEV; | |
5321 | break; | |
5322 | } | |
5323 | return 0; | |
5324 | } | |
5325 | ||
5326 | /** | |
5327 | * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources. | |
5328 | * @phba: pointer to lpfc hba data structure. | |
5329 | * | |
5330 | * This routine is invoked to set up the driver internal resources before the | |
5331 | * device specific resource setup to support the HBA device it attached to. | |
5332 | * | |
5333 | * Return codes | |
af901ca1 | 5334 | * 0 - successful |
da0436e9 JS |
5335 | * other values - error |
5336 | **/ | |
5337 | static int | |
5338 | lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) | |
5339 | { | |
5340 | /* | |
5341 | * Driver resources common to all SLI revisions | |
5342 | */ | |
5343 | atomic_set(&phba->fast_event_count, 0); | |
5344 | spin_lock_init(&phba->hbalock); | |
5345 | ||
5346 | /* Initialize ndlp management spinlock */ | |
5347 | spin_lock_init(&phba->ndlp_lock); | |
5348 | ||
5349 | INIT_LIST_HEAD(&phba->port_list); | |
5350 | INIT_LIST_HEAD(&phba->work_list); | |
5351 | init_waitqueue_head(&phba->wait_4_mlo_m_q); | |
5352 | ||
5353 | /* Initialize the wait queue head for the kernel thread */ | |
5354 | init_waitqueue_head(&phba->work_waitq); | |
5355 | ||
5356 | /* Initialize the scsi buffer list used by driver for scsi IO */ | |
a40fc5f0 JS |
5357 | spin_lock_init(&phba->scsi_buf_list_get_lock); |
5358 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get); | |
5359 | spin_lock_init(&phba->scsi_buf_list_put_lock); | |
5360 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put); | |
da0436e9 JS |
5361 | |
5362 | /* Initialize the fabric iocb list */ | |
5363 | INIT_LIST_HEAD(&phba->fabric_iocb_list); | |
5364 | ||
5365 | /* Initialize list to save ELS buffers */ | |
5366 | INIT_LIST_HEAD(&phba->elsbuf); | |
5367 | ||
5368 | /* Initialize FCF connection rec list */ | |
5369 | INIT_LIST_HEAD(&phba->fcf_conn_rec_list); | |
5370 | ||
5371 | return 0; | |
5372 | } | |
5373 | ||
5374 | /** | |
5375 | * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources. | |
5376 | * @phba: pointer to lpfc hba data structure. | |
5377 | * | |
5378 | * This routine is invoked to set up the driver internal resources after the | |
5379 | * device specific resource setup to support the HBA device it attached to. | |
5380 | * | |
5381 | * Return codes | |
af901ca1 | 5382 | * 0 - successful |
da0436e9 JS |
5383 | * other values - error |
5384 | **/ | |
5385 | static int | |
5386 | lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba) | |
5387 | { | |
5388 | int error; | |
5389 | ||
5390 | /* Startup the kernel thread for this host adapter. */ | |
5391 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
5392 | "lpfc_worker_%d", phba->brd_no); | |
5393 | if (IS_ERR(phba->worker_thread)) { | |
5394 | error = PTR_ERR(phba->worker_thread); | |
5395 | return error; | |
3772a991 JS |
5396 | } |
5397 | ||
5398 | return 0; | |
5399 | } | |
5400 | ||
5401 | /** | |
5402 | * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources. | |
5403 | * @phba: pointer to lpfc hba data structure. | |
5404 | * | |
5405 | * This routine is invoked to unset the driver internal resources set up after | |
5406 | * the device specific resource setup for supporting the HBA device it | |
5407 | * attached to. | |
5408 | **/ | |
5409 | static void | |
5410 | lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba) | |
5411 | { | |
5412 | /* Stop kernel worker thread */ | |
5413 | kthread_stop(phba->worker_thread); | |
5414 | } | |
5415 | ||
5416 | /** | |
5417 | * lpfc_free_iocb_list - Free iocb list. | |
5418 | * @phba: pointer to lpfc hba data structure. | |
5419 | * | |
5420 | * This routine is invoked to free the driver's IOCB list and memory. | |
5421 | **/ | |
5422 | static void | |
5423 | lpfc_free_iocb_list(struct lpfc_hba *phba) | |
5424 | { | |
5425 | struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; | |
5426 | ||
5427 | spin_lock_irq(&phba->hbalock); | |
5428 | list_for_each_entry_safe(iocbq_entry, iocbq_next, | |
5429 | &phba->lpfc_iocb_list, list) { | |
5430 | list_del(&iocbq_entry->list); | |
5431 | kfree(iocbq_entry); | |
5432 | phba->total_iocbq_bufs--; | |
98c9ea5c | 5433 | } |
3772a991 JS |
5434 | spin_unlock_irq(&phba->hbalock); |
5435 | ||
5436 | return; | |
5437 | } | |
5438 | ||
5439 | /** | |
5440 | * lpfc_init_iocb_list - Allocate and initialize iocb list. | |
5441 | * @phba: pointer to lpfc hba data structure. | |
5442 | * | |
5443 | * This routine is invoked to allocate and initizlize the driver's IOCB | |
5444 | * list and set up the IOCB tag array accordingly. | |
5445 | * | |
5446 | * Return codes | |
af901ca1 | 5447 | * 0 - successful |
3772a991 JS |
5448 | * other values - error |
5449 | **/ | |
5450 | static int | |
5451 | lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count) | |
5452 | { | |
5453 | struct lpfc_iocbq *iocbq_entry = NULL; | |
5454 | uint16_t iotag; | |
5455 | int i; | |
dea3101e | 5456 | |
5457 | /* Initialize and populate the iocb list per host. */ | |
5458 | INIT_LIST_HEAD(&phba->lpfc_iocb_list); | |
3772a991 | 5459 | for (i = 0; i < iocb_count; i++) { |
dd00cc48 | 5460 | iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); |
dea3101e | 5461 | if (iocbq_entry == NULL) { |
5462 | printk(KERN_ERR "%s: only allocated %d iocbs of " | |
5463 | "expected %d count. Unloading driver.\n", | |
cadbd4a5 | 5464 | __func__, i, LPFC_IOCB_LIST_CNT); |
dea3101e | 5465 | goto out_free_iocbq; |
5466 | } | |
5467 | ||
604a3e30 JB |
5468 | iotag = lpfc_sli_next_iotag(phba, iocbq_entry); |
5469 | if (iotag == 0) { | |
3772a991 | 5470 | kfree(iocbq_entry); |
604a3e30 | 5471 | printk(KERN_ERR "%s: failed to allocate IOTAG. " |
3772a991 | 5472 | "Unloading driver.\n", __func__); |
604a3e30 JB |
5473 | goto out_free_iocbq; |
5474 | } | |
6d368e53 | 5475 | iocbq_entry->sli4_lxritag = NO_XRI; |
3772a991 | 5476 | iocbq_entry->sli4_xritag = NO_XRI; |
2e0fef85 JS |
5477 | |
5478 | spin_lock_irq(&phba->hbalock); | |
dea3101e | 5479 | list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); |
5480 | phba->total_iocbq_bufs++; | |
2e0fef85 | 5481 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 5482 | } |
5483 | ||
3772a991 | 5484 | return 0; |
dea3101e | 5485 | |
3772a991 JS |
5486 | out_free_iocbq: |
5487 | lpfc_free_iocb_list(phba); | |
dea3101e | 5488 | |
3772a991 JS |
5489 | return -ENOMEM; |
5490 | } | |
5e9d9b82 | 5491 | |
3772a991 | 5492 | /** |
8a9d2e80 | 5493 | * lpfc_free_sgl_list - Free a given sgl list. |
da0436e9 | 5494 | * @phba: pointer to lpfc hba data structure. |
8a9d2e80 | 5495 | * @sglq_list: pointer to the head of sgl list. |
3772a991 | 5496 | * |
8a9d2e80 | 5497 | * This routine is invoked to free a give sgl list and memory. |
3772a991 | 5498 | **/ |
8a9d2e80 JS |
5499 | void |
5500 | lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list) | |
3772a991 | 5501 | { |
da0436e9 | 5502 | struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; |
8a9d2e80 JS |
5503 | |
5504 | list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) { | |
5505 | list_del(&sglq_entry->list); | |
5506 | lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys); | |
5507 | kfree(sglq_entry); | |
5508 | } | |
5509 | } | |
5510 | ||
5511 | /** | |
5512 | * lpfc_free_els_sgl_list - Free els sgl list. | |
5513 | * @phba: pointer to lpfc hba data structure. | |
5514 | * | |
5515 | * This routine is invoked to free the driver's els sgl list and memory. | |
5516 | **/ | |
5517 | static void | |
5518 | lpfc_free_els_sgl_list(struct lpfc_hba *phba) | |
5519 | { | |
da0436e9 | 5520 | LIST_HEAD(sglq_list); |
dea3101e | 5521 | |
8a9d2e80 | 5522 | /* Retrieve all els sgls from driver list */ |
da0436e9 JS |
5523 | spin_lock_irq(&phba->hbalock); |
5524 | list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list); | |
5525 | spin_unlock_irq(&phba->hbalock); | |
dea3101e | 5526 | |
8a9d2e80 JS |
5527 | /* Now free the sgl list */ |
5528 | lpfc_free_sgl_list(phba, &sglq_list); | |
da0436e9 | 5529 | } |
92d7f7b0 | 5530 | |
da0436e9 JS |
5531 | /** |
5532 | * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs. | |
5533 | * @phba: pointer to lpfc hba data structure. | |
5534 | * | |
5535 | * This routine is invoked to allocate the driver's active sgl memory. | |
5536 | * This array will hold the sglq_entry's for active IOs. | |
5537 | **/ | |
5538 | static int | |
5539 | lpfc_init_active_sgl_array(struct lpfc_hba *phba) | |
5540 | { | |
5541 | int size; | |
5542 | size = sizeof(struct lpfc_sglq *); | |
5543 | size *= phba->sli4_hba.max_cfg_param.max_xri; | |
5544 | ||
5545 | phba->sli4_hba.lpfc_sglq_active_list = | |
5546 | kzalloc(size, GFP_KERNEL); | |
5547 | if (!phba->sli4_hba.lpfc_sglq_active_list) | |
5548 | return -ENOMEM; | |
5549 | return 0; | |
3772a991 JS |
5550 | } |
5551 | ||
5552 | /** | |
da0436e9 | 5553 | * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs. |
3772a991 JS |
5554 | * @phba: pointer to lpfc hba data structure. |
5555 | * | |
da0436e9 JS |
5556 | * This routine is invoked to walk through the array of active sglq entries |
5557 | * and free all of the resources. | |
5558 | * This is just a place holder for now. | |
3772a991 JS |
5559 | **/ |
5560 | static void | |
da0436e9 | 5561 | lpfc_free_active_sgl(struct lpfc_hba *phba) |
3772a991 | 5562 | { |
da0436e9 | 5563 | kfree(phba->sli4_hba.lpfc_sglq_active_list); |
3772a991 JS |
5564 | } |
5565 | ||
5566 | /** | |
da0436e9 | 5567 | * lpfc_init_sgl_list - Allocate and initialize sgl list. |
3772a991 JS |
5568 | * @phba: pointer to lpfc hba data structure. |
5569 | * | |
da0436e9 JS |
5570 | * This routine is invoked to allocate and initizlize the driver's sgl |
5571 | * list and set up the sgl xritag tag array accordingly. | |
3772a991 | 5572 | * |
3772a991 | 5573 | **/ |
8a9d2e80 | 5574 | static void |
da0436e9 | 5575 | lpfc_init_sgl_list(struct lpfc_hba *phba) |
3772a991 | 5576 | { |
da0436e9 JS |
5577 | /* Initialize and populate the sglq list per host/VF. */ |
5578 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list); | |
5579 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list); | |
5580 | ||
8a9d2e80 JS |
5581 | /* els xri-sgl book keeping */ |
5582 | phba->sli4_hba.els_xri_cnt = 0; | |
0ff10d46 | 5583 | |
8a9d2e80 | 5584 | /* scsi xri-buffer book keeping */ |
da0436e9 | 5585 | phba->sli4_hba.scsi_xri_cnt = 0; |
da0436e9 JS |
5586 | } |
5587 | ||
5588 | /** | |
5589 | * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port | |
5590 | * @phba: pointer to lpfc hba data structure. | |
5591 | * | |
5592 | * This routine is invoked to post rpi header templates to the | |
88a2cfbb | 5593 | * port for those SLI4 ports that do not support extents. This routine |
da0436e9 | 5594 | * posts a PAGE_SIZE memory region to the port to hold up to |
88a2cfbb JS |
5595 | * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine |
5596 | * and should be called only when interrupts are disabled. | |
da0436e9 JS |
5597 | * |
5598 | * Return codes | |
af901ca1 | 5599 | * 0 - successful |
88a2cfbb | 5600 | * -ERROR - otherwise. |
da0436e9 JS |
5601 | **/ |
5602 | int | |
5603 | lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba) | |
5604 | { | |
5605 | int rc = 0; | |
da0436e9 JS |
5606 | struct lpfc_rpi_hdr *rpi_hdr; |
5607 | ||
5608 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list); | |
ff78d8f9 | 5609 | if (!phba->sli4_hba.rpi_hdrs_in_use) |
6d368e53 | 5610 | return rc; |
6d368e53 JS |
5611 | if (phba->sli4_hba.extents_in_use) |
5612 | return -EIO; | |
da0436e9 JS |
5613 | |
5614 | rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); | |
5615 | if (!rpi_hdr) { | |
5616 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
5617 | "0391 Error during rpi post operation\n"); | |
5618 | lpfc_sli4_remove_rpis(phba); | |
5619 | rc = -ENODEV; | |
5620 | } | |
5621 | ||
5622 | return rc; | |
5623 | } | |
5624 | ||
5625 | /** | |
5626 | * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region | |
5627 | * @phba: pointer to lpfc hba data structure. | |
5628 | * | |
5629 | * This routine is invoked to allocate a single 4KB memory region to | |
5630 | * support rpis and stores them in the phba. This single region | |
5631 | * provides support for up to 64 rpis. The region is used globally | |
5632 | * by the device. | |
5633 | * | |
5634 | * Returns: | |
5635 | * A valid rpi hdr on success. | |
5636 | * A NULL pointer on any failure. | |
5637 | **/ | |
5638 | struct lpfc_rpi_hdr * | |
5639 | lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) | |
5640 | { | |
5641 | uint16_t rpi_limit, curr_rpi_range; | |
5642 | struct lpfc_dmabuf *dmabuf; | |
5643 | struct lpfc_rpi_hdr *rpi_hdr; | |
9589b062 | 5644 | uint32_t rpi_count; |
da0436e9 | 5645 | |
6d368e53 JS |
5646 | /* |
5647 | * If the SLI4 port supports extents, posting the rpi header isn't | |
5648 | * required. Set the expected maximum count and let the actual value | |
5649 | * get set when extents are fully allocated. | |
5650 | */ | |
5651 | if (!phba->sli4_hba.rpi_hdrs_in_use) | |
5652 | return NULL; | |
5653 | if (phba->sli4_hba.extents_in_use) | |
5654 | return NULL; | |
5655 | ||
5656 | /* The limit on the logical index is just the max_rpi count. */ | |
da0436e9 | 5657 | rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base + |
6d368e53 | 5658 | phba->sli4_hba.max_cfg_param.max_rpi - 1; |
da0436e9 JS |
5659 | |
5660 | spin_lock_irq(&phba->hbalock); | |
6d368e53 JS |
5661 | /* |
5662 | * Establish the starting RPI in this header block. The starting | |
5663 | * rpi is normalized to a zero base because the physical rpi is | |
5664 | * port based. | |
5665 | */ | |
97f2ecf1 | 5666 | curr_rpi_range = phba->sli4_hba.next_rpi; |
da0436e9 JS |
5667 | spin_unlock_irq(&phba->hbalock); |
5668 | ||
5669 | /* | |
5670 | * The port has a limited number of rpis. The increment here | |
5671 | * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value | |
5672 | * and to allow the full max_rpi range per port. | |
5673 | */ | |
5674 | if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit) | |
9589b062 JS |
5675 | rpi_count = rpi_limit - curr_rpi_range; |
5676 | else | |
5677 | rpi_count = LPFC_RPI_HDR_COUNT; | |
da0436e9 | 5678 | |
6d368e53 JS |
5679 | if (!rpi_count) |
5680 | return NULL; | |
da0436e9 JS |
5681 | /* |
5682 | * First allocate the protocol header region for the port. The | |
5683 | * port expects a 4KB DMA-mapped memory region that is 4K aligned. | |
5684 | */ | |
5685 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
5686 | if (!dmabuf) | |
5687 | return NULL; | |
5688 | ||
5689 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
5690 | LPFC_HDR_TEMPLATE_SIZE, | |
5691 | &dmabuf->phys, | |
5692 | GFP_KERNEL); | |
5693 | if (!dmabuf->virt) { | |
5694 | rpi_hdr = NULL; | |
5695 | goto err_free_dmabuf; | |
5696 | } | |
5697 | ||
5698 | memset(dmabuf->virt, 0, LPFC_HDR_TEMPLATE_SIZE); | |
5699 | if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) { | |
5700 | rpi_hdr = NULL; | |
5701 | goto err_free_coherent; | |
5702 | } | |
5703 | ||
5704 | /* Save the rpi header data for cleanup later. */ | |
5705 | rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL); | |
5706 | if (!rpi_hdr) | |
5707 | goto err_free_coherent; | |
5708 | ||
5709 | rpi_hdr->dmabuf = dmabuf; | |
5710 | rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE; | |
5711 | rpi_hdr->page_count = 1; | |
5712 | spin_lock_irq(&phba->hbalock); | |
6d368e53 JS |
5713 | |
5714 | /* The rpi_hdr stores the logical index only. */ | |
5715 | rpi_hdr->start_rpi = curr_rpi_range; | |
da0436e9 JS |
5716 | list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list); |
5717 | ||
5718 | /* | |
6d368e53 JS |
5719 | * The next_rpi stores the next logical module-64 rpi value used |
5720 | * to post physical rpis in subsequent rpi postings. | |
da0436e9 | 5721 | */ |
9589b062 | 5722 | phba->sli4_hba.next_rpi += rpi_count; |
da0436e9 JS |
5723 | spin_unlock_irq(&phba->hbalock); |
5724 | return rpi_hdr; | |
5725 | ||
5726 | err_free_coherent: | |
5727 | dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE, | |
5728 | dmabuf->virt, dmabuf->phys); | |
5729 | err_free_dmabuf: | |
5730 | kfree(dmabuf); | |
5731 | return NULL; | |
5732 | } | |
5733 | ||
5734 | /** | |
5735 | * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions | |
5736 | * @phba: pointer to lpfc hba data structure. | |
5737 | * | |
5738 | * This routine is invoked to remove all memory resources allocated | |
6d368e53 JS |
5739 | * to support rpis for SLI4 ports not supporting extents. This routine |
5740 | * presumes the caller has released all rpis consumed by fabric or port | |
5741 | * logins and is prepared to have the header pages removed. | |
da0436e9 JS |
5742 | **/ |
5743 | void | |
5744 | lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba) | |
5745 | { | |
5746 | struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr; | |
5747 | ||
6d368e53 JS |
5748 | if (!phba->sli4_hba.rpi_hdrs_in_use) |
5749 | goto exit; | |
5750 | ||
da0436e9 JS |
5751 | list_for_each_entry_safe(rpi_hdr, next_rpi_hdr, |
5752 | &phba->sli4_hba.lpfc_rpi_hdr_list, list) { | |
5753 | list_del(&rpi_hdr->list); | |
5754 | dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len, | |
5755 | rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys); | |
5756 | kfree(rpi_hdr->dmabuf); | |
5757 | kfree(rpi_hdr); | |
5758 | } | |
6d368e53 JS |
5759 | exit: |
5760 | /* There are no rpis available to the port now. */ | |
5761 | phba->sli4_hba.next_rpi = 0; | |
da0436e9 JS |
5762 | } |
5763 | ||
5764 | /** | |
5765 | * lpfc_hba_alloc - Allocate driver hba data structure for a device. | |
5766 | * @pdev: pointer to pci device data structure. | |
5767 | * | |
5768 | * This routine is invoked to allocate the driver hba data structure for an | |
5769 | * HBA device. If the allocation is successful, the phba reference to the | |
5770 | * PCI device data structure is set. | |
5771 | * | |
5772 | * Return codes | |
af901ca1 | 5773 | * pointer to @phba - successful |
da0436e9 JS |
5774 | * NULL - error |
5775 | **/ | |
5776 | static struct lpfc_hba * | |
5777 | lpfc_hba_alloc(struct pci_dev *pdev) | |
5778 | { | |
5779 | struct lpfc_hba *phba; | |
5780 | ||
5781 | /* Allocate memory for HBA structure */ | |
5782 | phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL); | |
5783 | if (!phba) { | |
e34ccdfe | 5784 | dev_err(&pdev->dev, "failed to allocate hba struct\n"); |
da0436e9 JS |
5785 | return NULL; |
5786 | } | |
5787 | ||
5788 | /* Set reference to PCI device in HBA structure */ | |
5789 | phba->pcidev = pdev; | |
5790 | ||
5791 | /* Assign an unused board number */ | |
5792 | phba->brd_no = lpfc_get_instance(); | |
5793 | if (phba->brd_no < 0) { | |
5794 | kfree(phba); | |
5795 | return NULL; | |
5796 | } | |
5797 | ||
4fede78f | 5798 | spin_lock_init(&phba->ct_ev_lock); |
f1c3b0fc JS |
5799 | INIT_LIST_HEAD(&phba->ct_ev_waiters); |
5800 | ||
da0436e9 JS |
5801 | return phba; |
5802 | } | |
5803 | ||
5804 | /** | |
5805 | * lpfc_hba_free - Free driver hba data structure with a device. | |
5806 | * @phba: pointer to lpfc hba data structure. | |
5807 | * | |
5808 | * This routine is invoked to free the driver hba data structure with an | |
5809 | * HBA device. | |
5810 | **/ | |
5811 | static void | |
5812 | lpfc_hba_free(struct lpfc_hba *phba) | |
5813 | { | |
5814 | /* Release the driver assigned board number */ | |
5815 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
5816 | ||
2a76a283 JS |
5817 | /* Free memory allocated with sli rings */ |
5818 | kfree(phba->sli.ring); | |
5819 | phba->sli.ring = NULL; | |
5820 | ||
da0436e9 JS |
5821 | kfree(phba); |
5822 | return; | |
5823 | } | |
5824 | ||
5825 | /** | |
5826 | * lpfc_create_shost - Create hba physical port with associated scsi host. | |
5827 | * @phba: pointer to lpfc hba data structure. | |
5828 | * | |
5829 | * This routine is invoked to create HBA physical port and associate a SCSI | |
5830 | * host with it. | |
5831 | * | |
5832 | * Return codes | |
af901ca1 | 5833 | * 0 - successful |
da0436e9 JS |
5834 | * other values - error |
5835 | **/ | |
5836 | static int | |
5837 | lpfc_create_shost(struct lpfc_hba *phba) | |
5838 | { | |
5839 | struct lpfc_vport *vport; | |
5840 | struct Scsi_Host *shost; | |
5841 | ||
5842 | /* Initialize HBA FC structure */ | |
5843 | phba->fc_edtov = FF_DEF_EDTOV; | |
5844 | phba->fc_ratov = FF_DEF_RATOV; | |
5845 | phba->fc_altov = FF_DEF_ALTOV; | |
5846 | phba->fc_arbtov = FF_DEF_ARBTOV; | |
5847 | ||
d7c47992 | 5848 | atomic_set(&phba->sdev_cnt, 0); |
da0436e9 JS |
5849 | vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); |
5850 | if (!vport) | |
5851 | return -ENODEV; | |
5852 | ||
5853 | shost = lpfc_shost_from_vport(vport); | |
5854 | phba->pport = vport; | |
5855 | lpfc_debugfs_initialize(vport); | |
5856 | /* Put reference to SCSI host to driver's device private data */ | |
5857 | pci_set_drvdata(phba->pcidev, shost); | |
2e0fef85 | 5858 | |
3772a991 JS |
5859 | return 0; |
5860 | } | |
db2378e0 | 5861 | |
3772a991 JS |
5862 | /** |
5863 | * lpfc_destroy_shost - Destroy hba physical port with associated scsi host. | |
5864 | * @phba: pointer to lpfc hba data structure. | |
5865 | * | |
5866 | * This routine is invoked to destroy HBA physical port and the associated | |
5867 | * SCSI host. | |
5868 | **/ | |
5869 | static void | |
5870 | lpfc_destroy_shost(struct lpfc_hba *phba) | |
5871 | { | |
5872 | struct lpfc_vport *vport = phba->pport; | |
5873 | ||
5874 | /* Destroy physical port that associated with the SCSI host */ | |
5875 | destroy_port(vport); | |
5876 | ||
5877 | return; | |
5878 | } | |
5879 | ||
5880 | /** | |
5881 | * lpfc_setup_bg - Setup Block guard structures and debug areas. | |
5882 | * @phba: pointer to lpfc hba data structure. | |
5883 | * @shost: the shost to be used to detect Block guard settings. | |
5884 | * | |
5885 | * This routine sets up the local Block guard protocol settings for @shost. | |
5886 | * This routine also allocates memory for debugging bg buffers. | |
5887 | **/ | |
5888 | static void | |
5889 | lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost) | |
5890 | { | |
bbeb79b9 JS |
5891 | uint32_t old_mask; |
5892 | uint32_t old_guard; | |
5893 | ||
3772a991 JS |
5894 | int pagecnt = 10; |
5895 | if (lpfc_prot_mask && lpfc_prot_guard) { | |
5896 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5897 | "1478 Registering BlockGuard with the " | |
5898 | "SCSI layer\n"); | |
bbeb79b9 JS |
5899 | |
5900 | old_mask = lpfc_prot_mask; | |
5901 | old_guard = lpfc_prot_guard; | |
5902 | ||
5903 | /* Only allow supported values */ | |
5904 | lpfc_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION | | |
5905 | SHOST_DIX_TYPE0_PROTECTION | | |
5906 | SHOST_DIX_TYPE1_PROTECTION); | |
5907 | lpfc_prot_guard &= (SHOST_DIX_GUARD_IP | SHOST_DIX_GUARD_CRC); | |
5908 | ||
5909 | /* DIF Type 1 protection for profiles AST1/C1 is end to end */ | |
5910 | if (lpfc_prot_mask == SHOST_DIX_TYPE1_PROTECTION) | |
5911 | lpfc_prot_mask |= SHOST_DIF_TYPE1_PROTECTION; | |
5912 | ||
5913 | if (lpfc_prot_mask && lpfc_prot_guard) { | |
5914 | if ((old_mask != lpfc_prot_mask) || | |
5915 | (old_guard != lpfc_prot_guard)) | |
5916 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5917 | "1475 Registering BlockGuard with the " | |
5918 | "SCSI layer: mask %d guard %d\n", | |
5919 | lpfc_prot_mask, lpfc_prot_guard); | |
5920 | ||
5921 | scsi_host_set_prot(shost, lpfc_prot_mask); | |
5922 | scsi_host_set_guard(shost, lpfc_prot_guard); | |
5923 | } else | |
5924 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5925 | "1479 Not Registering BlockGuard with the SCSI " | |
5926 | "layer, Bad protection parameters: %d %d\n", | |
5927 | old_mask, old_guard); | |
3772a991 | 5928 | } |
bbeb79b9 | 5929 | |
3772a991 JS |
5930 | if (!_dump_buf_data) { |
5931 | while (pagecnt) { | |
5932 | spin_lock_init(&_dump_buf_lock); | |
5933 | _dump_buf_data = | |
5934 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
5935 | if (_dump_buf_data) { | |
6a9c52cf JS |
5936 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5937 | "9043 BLKGRD: allocated %d pages for " | |
3772a991 JS |
5938 | "_dump_buf_data at 0x%p\n", |
5939 | (1 << pagecnt), _dump_buf_data); | |
5940 | _dump_buf_data_order = pagecnt; | |
5941 | memset(_dump_buf_data, 0, | |
5942 | ((1 << PAGE_SHIFT) << pagecnt)); | |
5943 | break; | |
5944 | } else | |
5945 | --pagecnt; | |
5946 | } | |
5947 | if (!_dump_buf_data_order) | |
6a9c52cf JS |
5948 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5949 | "9044 BLKGRD: ERROR unable to allocate " | |
3772a991 JS |
5950 | "memory for hexdump\n"); |
5951 | } else | |
6a9c52cf JS |
5952 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5953 | "9045 BLKGRD: already allocated _dump_buf_data=0x%p" | |
3772a991 JS |
5954 | "\n", _dump_buf_data); |
5955 | if (!_dump_buf_dif) { | |
5956 | while (pagecnt) { | |
5957 | _dump_buf_dif = | |
5958 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
5959 | if (_dump_buf_dif) { | |
6a9c52cf JS |
5960 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5961 | "9046 BLKGRD: allocated %d pages for " | |
3772a991 JS |
5962 | "_dump_buf_dif at 0x%p\n", |
5963 | (1 << pagecnt), _dump_buf_dif); | |
5964 | _dump_buf_dif_order = pagecnt; | |
5965 | memset(_dump_buf_dif, 0, | |
5966 | ((1 << PAGE_SHIFT) << pagecnt)); | |
5967 | break; | |
5968 | } else | |
5969 | --pagecnt; | |
5970 | } | |
5971 | if (!_dump_buf_dif_order) | |
6a9c52cf JS |
5972 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5973 | "9047 BLKGRD: ERROR unable to allocate " | |
3772a991 JS |
5974 | "memory for hexdump\n"); |
5975 | } else | |
6a9c52cf JS |
5976 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
5977 | "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n", | |
3772a991 JS |
5978 | _dump_buf_dif); |
5979 | } | |
5980 | ||
5981 | /** | |
5982 | * lpfc_post_init_setup - Perform necessary device post initialization setup. | |
5983 | * @phba: pointer to lpfc hba data structure. | |
5984 | * | |
5985 | * This routine is invoked to perform all the necessary post initialization | |
5986 | * setup for the device. | |
5987 | **/ | |
5988 | static void | |
5989 | lpfc_post_init_setup(struct lpfc_hba *phba) | |
5990 | { | |
5991 | struct Scsi_Host *shost; | |
5992 | struct lpfc_adapter_event_header adapter_event; | |
5993 | ||
5994 | /* Get the default values for Model Name and Description */ | |
5995 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
5996 | ||
5997 | /* | |
5998 | * hba setup may have changed the hba_queue_depth so we need to | |
5999 | * adjust the value of can_queue. | |
6000 | */ | |
6001 | shost = pci_get_drvdata(phba->pcidev); | |
6002 | shost->can_queue = phba->cfg_hba_queue_depth - 10; | |
6003 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) | |
6004 | lpfc_setup_bg(phba, shost); | |
6005 | ||
6006 | lpfc_host_attrib_init(shost); | |
6007 | ||
6008 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { | |
6009 | spin_lock_irq(shost->host_lock); | |
6010 | lpfc_poll_start_timer(phba); | |
6011 | spin_unlock_irq(shost->host_lock); | |
6012 | } | |
6013 | ||
6014 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6015 | "0428 Perform SCSI scan\n"); | |
6016 | /* Send board arrival event to upper layer */ | |
6017 | adapter_event.event_type = FC_REG_ADAPTER_EVENT; | |
6018 | adapter_event.subcategory = LPFC_EVENT_ARRIVAL; | |
6019 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
6020 | sizeof(adapter_event), | |
6021 | (char *) &adapter_event, | |
6022 | LPFC_NL_VENDOR_ID); | |
6023 | return; | |
6024 | } | |
6025 | ||
6026 | /** | |
6027 | * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space. | |
6028 | * @phba: pointer to lpfc hba data structure. | |
6029 | * | |
6030 | * This routine is invoked to set up the PCI device memory space for device | |
6031 | * with SLI-3 interface spec. | |
6032 | * | |
6033 | * Return codes | |
af901ca1 | 6034 | * 0 - successful |
3772a991 JS |
6035 | * other values - error |
6036 | **/ | |
6037 | static int | |
6038 | lpfc_sli_pci_mem_setup(struct lpfc_hba *phba) | |
6039 | { | |
6040 | struct pci_dev *pdev; | |
6041 | unsigned long bar0map_len, bar2map_len; | |
6042 | int i, hbq_count; | |
6043 | void *ptr; | |
6044 | int error = -ENODEV; | |
6045 | ||
6046 | /* Obtain PCI device reference */ | |
6047 | if (!phba->pcidev) | |
6048 | return error; | |
6049 | else | |
6050 | pdev = phba->pcidev; | |
6051 | ||
6052 | /* Set the device DMA mask size */ | |
8e68597d MR |
6053 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 |
6054 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { | |
6055 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 | |
6056 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { | |
3772a991 | 6057 | return error; |
8e68597d MR |
6058 | } |
6059 | } | |
3772a991 JS |
6060 | |
6061 | /* Get the bus address of Bar0 and Bar2 and the number of bytes | |
6062 | * required by each mapping. | |
6063 | */ | |
6064 | phba->pci_bar0_map = pci_resource_start(pdev, 0); | |
6065 | bar0map_len = pci_resource_len(pdev, 0); | |
6066 | ||
6067 | phba->pci_bar2_map = pci_resource_start(pdev, 2); | |
6068 | bar2map_len = pci_resource_len(pdev, 2); | |
6069 | ||
6070 | /* Map HBA SLIM to a kernel virtual address. */ | |
6071 | phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); | |
6072 | if (!phba->slim_memmap_p) { | |
6073 | dev_printk(KERN_ERR, &pdev->dev, | |
6074 | "ioremap failed for SLIM memory.\n"); | |
6075 | goto out; | |
6076 | } | |
6077 | ||
6078 | /* Map HBA Control Registers to a kernel virtual address. */ | |
6079 | phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); | |
6080 | if (!phba->ctrl_regs_memmap_p) { | |
6081 | dev_printk(KERN_ERR, &pdev->dev, | |
6082 | "ioremap failed for HBA control registers.\n"); | |
6083 | goto out_iounmap_slim; | |
6084 | } | |
6085 | ||
6086 | /* Allocate memory for SLI-2 structures */ | |
6087 | phba->slim2p.virt = dma_alloc_coherent(&pdev->dev, | |
6088 | SLI2_SLIM_SIZE, | |
6089 | &phba->slim2p.phys, | |
6090 | GFP_KERNEL); | |
6091 | if (!phba->slim2p.virt) | |
6092 | goto out_iounmap; | |
6093 | ||
6094 | memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE); | |
6095 | phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx); | |
7a470277 JS |
6096 | phba->mbox_ext = (phba->slim2p.virt + |
6097 | offsetof(struct lpfc_sli2_slim, mbx_ext_words)); | |
3772a991 JS |
6098 | phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb)); |
6099 | phba->IOCBs = (phba->slim2p.virt + | |
6100 | offsetof(struct lpfc_sli2_slim, IOCBs)); | |
6101 | ||
6102 | phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev, | |
6103 | lpfc_sli_hbq_size(), | |
6104 | &phba->hbqslimp.phys, | |
6105 | GFP_KERNEL); | |
6106 | if (!phba->hbqslimp.virt) | |
6107 | goto out_free_slim; | |
6108 | ||
6109 | hbq_count = lpfc_sli_hbq_count(); | |
6110 | ptr = phba->hbqslimp.virt; | |
6111 | for (i = 0; i < hbq_count; ++i) { | |
6112 | phba->hbqs[i].hbq_virt = ptr; | |
6113 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
6114 | ptr += (lpfc_hbq_defs[i]->entry_count * | |
6115 | sizeof(struct lpfc_hbq_entry)); | |
6116 | } | |
6117 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; | |
6118 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; | |
6119 | ||
6120 | memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); | |
6121 | ||
6122 | INIT_LIST_HEAD(&phba->rb_pend_list); | |
6123 | ||
6124 | phba->MBslimaddr = phba->slim_memmap_p; | |
6125 | phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; | |
6126 | phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; | |
6127 | phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; | |
6128 | phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; | |
6129 | ||
6130 | return 0; | |
6131 | ||
6132 | out_free_slim: | |
6133 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
6134 | phba->slim2p.virt, phba->slim2p.phys); | |
6135 | out_iounmap: | |
6136 | iounmap(phba->ctrl_regs_memmap_p); | |
6137 | out_iounmap_slim: | |
6138 | iounmap(phba->slim_memmap_p); | |
6139 | out: | |
6140 | return error; | |
6141 | } | |
6142 | ||
6143 | /** | |
6144 | * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space. | |
6145 | * @phba: pointer to lpfc hba data structure. | |
6146 | * | |
6147 | * This routine is invoked to unset the PCI device memory space for device | |
6148 | * with SLI-3 interface spec. | |
6149 | **/ | |
6150 | static void | |
6151 | lpfc_sli_pci_mem_unset(struct lpfc_hba *phba) | |
6152 | { | |
6153 | struct pci_dev *pdev; | |
6154 | ||
6155 | /* Obtain PCI device reference */ | |
6156 | if (!phba->pcidev) | |
6157 | return; | |
6158 | else | |
6159 | pdev = phba->pcidev; | |
6160 | ||
6161 | /* Free coherent DMA memory allocated */ | |
6162 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), | |
6163 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
6164 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
6165 | phba->slim2p.virt, phba->slim2p.phys); | |
6166 | ||
6167 | /* I/O memory unmap */ | |
6168 | iounmap(phba->ctrl_regs_memmap_p); | |
6169 | iounmap(phba->slim_memmap_p); | |
6170 | ||
6171 | return; | |
6172 | } | |
6173 | ||
6174 | /** | |
da0436e9 | 6175 | * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status |
3772a991 JS |
6176 | * @phba: pointer to lpfc hba data structure. |
6177 | * | |
da0436e9 JS |
6178 | * This routine is invoked to wait for SLI4 device Power On Self Test (POST) |
6179 | * done and check status. | |
3772a991 | 6180 | * |
da0436e9 | 6181 | * Return 0 if successful, otherwise -ENODEV. |
3772a991 | 6182 | **/ |
da0436e9 JS |
6183 | int |
6184 | lpfc_sli4_post_status_check(struct lpfc_hba *phba) | |
3772a991 | 6185 | { |
2fcee4bf JS |
6186 | struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg; |
6187 | struct lpfc_register reg_data; | |
6188 | int i, port_error = 0; | |
6189 | uint32_t if_type; | |
3772a991 | 6190 | |
9940b97b JS |
6191 | memset(&portsmphr_reg, 0, sizeof(portsmphr_reg)); |
6192 | memset(®_data, 0, sizeof(reg_data)); | |
2fcee4bf | 6193 | if (!phba->sli4_hba.PSMPHRregaddr) |
da0436e9 | 6194 | return -ENODEV; |
3772a991 | 6195 | |
da0436e9 JS |
6196 | /* Wait up to 30 seconds for the SLI Port POST done and ready */ |
6197 | for (i = 0; i < 3000; i++) { | |
9940b97b JS |
6198 | if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr, |
6199 | &portsmphr_reg.word0) || | |
6200 | (bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) { | |
2fcee4bf | 6201 | /* Port has a fatal POST error, break out */ |
da0436e9 JS |
6202 | port_error = -ENODEV; |
6203 | break; | |
6204 | } | |
2fcee4bf JS |
6205 | if (LPFC_POST_STAGE_PORT_READY == |
6206 | bf_get(lpfc_port_smphr_port_status, &portsmphr_reg)) | |
da0436e9 | 6207 | break; |
da0436e9 | 6208 | msleep(10); |
3772a991 JS |
6209 | } |
6210 | ||
2fcee4bf JS |
6211 | /* |
6212 | * If there was a port error during POST, then don't proceed with | |
6213 | * other register reads as the data may not be valid. Just exit. | |
6214 | */ | |
6215 | if (port_error) { | |
da0436e9 | 6216 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
2fcee4bf JS |
6217 | "1408 Port Failed POST - portsmphr=0x%x, " |
6218 | "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, " | |
6219 | "scr2=x%x, hscratch=x%x, pstatus=x%x\n", | |
6220 | portsmphr_reg.word0, | |
6221 | bf_get(lpfc_port_smphr_perr, &portsmphr_reg), | |
6222 | bf_get(lpfc_port_smphr_sfi, &portsmphr_reg), | |
6223 | bf_get(lpfc_port_smphr_nip, &portsmphr_reg), | |
6224 | bf_get(lpfc_port_smphr_ipc, &portsmphr_reg), | |
6225 | bf_get(lpfc_port_smphr_scr1, &portsmphr_reg), | |
6226 | bf_get(lpfc_port_smphr_scr2, &portsmphr_reg), | |
6227 | bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg), | |
6228 | bf_get(lpfc_port_smphr_port_status, &portsmphr_reg)); | |
6229 | } else { | |
28baac74 | 6230 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
2fcee4bf JS |
6231 | "2534 Device Info: SLIFamily=0x%x, " |
6232 | "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, " | |
6233 | "SLIHint_2=0x%x, FT=0x%x\n", | |
28baac74 JS |
6234 | bf_get(lpfc_sli_intf_sli_family, |
6235 | &phba->sli4_hba.sli_intf), | |
6236 | bf_get(lpfc_sli_intf_slirev, | |
6237 | &phba->sli4_hba.sli_intf), | |
085c647c JS |
6238 | bf_get(lpfc_sli_intf_if_type, |
6239 | &phba->sli4_hba.sli_intf), | |
6240 | bf_get(lpfc_sli_intf_sli_hint1, | |
28baac74 | 6241 | &phba->sli4_hba.sli_intf), |
085c647c JS |
6242 | bf_get(lpfc_sli_intf_sli_hint2, |
6243 | &phba->sli4_hba.sli_intf), | |
6244 | bf_get(lpfc_sli_intf_func_type, | |
28baac74 | 6245 | &phba->sli4_hba.sli_intf)); |
2fcee4bf JS |
6246 | /* |
6247 | * Check for other Port errors during the initialization | |
6248 | * process. Fail the load if the port did not come up | |
6249 | * correctly. | |
6250 | */ | |
6251 | if_type = bf_get(lpfc_sli_intf_if_type, | |
6252 | &phba->sli4_hba.sli_intf); | |
6253 | switch (if_type) { | |
6254 | case LPFC_SLI_INTF_IF_TYPE_0: | |
6255 | phba->sli4_hba.ue_mask_lo = | |
6256 | readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr); | |
6257 | phba->sli4_hba.ue_mask_hi = | |
6258 | readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr); | |
6259 | uerrlo_reg.word0 = | |
6260 | readl(phba->sli4_hba.u.if_type0.UERRLOregaddr); | |
6261 | uerrhi_reg.word0 = | |
6262 | readl(phba->sli4_hba.u.if_type0.UERRHIregaddr); | |
6263 | if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) || | |
6264 | (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) { | |
6265 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6266 | "1422 Unrecoverable Error " | |
6267 | "Detected during POST " | |
6268 | "uerr_lo_reg=0x%x, " | |
6269 | "uerr_hi_reg=0x%x, " | |
6270 | "ue_mask_lo_reg=0x%x, " | |
6271 | "ue_mask_hi_reg=0x%x\n", | |
6272 | uerrlo_reg.word0, | |
6273 | uerrhi_reg.word0, | |
6274 | phba->sli4_hba.ue_mask_lo, | |
6275 | phba->sli4_hba.ue_mask_hi); | |
6276 | port_error = -ENODEV; | |
6277 | } | |
6278 | break; | |
6279 | case LPFC_SLI_INTF_IF_TYPE_2: | |
6280 | /* Final checks. The port status should be clean. */ | |
9940b97b JS |
6281 | if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
6282 | ®_data.word0) || | |
0558056c JS |
6283 | (bf_get(lpfc_sliport_status_err, ®_data) && |
6284 | !bf_get(lpfc_sliport_status_rn, ®_data))) { | |
2fcee4bf JS |
6285 | phba->work_status[0] = |
6286 | readl(phba->sli4_hba.u.if_type2. | |
6287 | ERR1regaddr); | |
6288 | phba->work_status[1] = | |
6289 | readl(phba->sli4_hba.u.if_type2. | |
6290 | ERR2regaddr); | |
6291 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8fcb8acd JS |
6292 | "2888 Unrecoverable port error " |
6293 | "following POST: port status reg " | |
6294 | "0x%x, port_smphr reg 0x%x, " | |
2fcee4bf JS |
6295 | "error 1=0x%x, error 2=0x%x\n", |
6296 | reg_data.word0, | |
6297 | portsmphr_reg.word0, | |
6298 | phba->work_status[0], | |
6299 | phba->work_status[1]); | |
6300 | port_error = -ENODEV; | |
6301 | } | |
6302 | break; | |
6303 | case LPFC_SLI_INTF_IF_TYPE_1: | |
6304 | default: | |
6305 | break; | |
6306 | } | |
28baac74 | 6307 | } |
da0436e9 JS |
6308 | return port_error; |
6309 | } | |
3772a991 | 6310 | |
da0436e9 JS |
6311 | /** |
6312 | * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map. | |
6313 | * @phba: pointer to lpfc hba data structure. | |
2fcee4bf | 6314 | * @if_type: The SLI4 interface type getting configured. |
da0436e9 JS |
6315 | * |
6316 | * This routine is invoked to set up SLI4 BAR0 PCI config space register | |
6317 | * memory map. | |
6318 | **/ | |
6319 | static void | |
2fcee4bf JS |
6320 | lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type) |
6321 | { | |
6322 | switch (if_type) { | |
6323 | case LPFC_SLI_INTF_IF_TYPE_0: | |
6324 | phba->sli4_hba.u.if_type0.UERRLOregaddr = | |
6325 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO; | |
6326 | phba->sli4_hba.u.if_type0.UERRHIregaddr = | |
6327 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI; | |
6328 | phba->sli4_hba.u.if_type0.UEMASKLOregaddr = | |
6329 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO; | |
6330 | phba->sli4_hba.u.if_type0.UEMASKHIregaddr = | |
6331 | phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI; | |
6332 | phba->sli4_hba.SLIINTFregaddr = | |
6333 | phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF; | |
6334 | break; | |
6335 | case LPFC_SLI_INTF_IF_TYPE_2: | |
6336 | phba->sli4_hba.u.if_type2.ERR1regaddr = | |
88a2cfbb JS |
6337 | phba->sli4_hba.conf_regs_memmap_p + |
6338 | LPFC_CTL_PORT_ER1_OFFSET; | |
2fcee4bf | 6339 | phba->sli4_hba.u.if_type2.ERR2regaddr = |
88a2cfbb JS |
6340 | phba->sli4_hba.conf_regs_memmap_p + |
6341 | LPFC_CTL_PORT_ER2_OFFSET; | |
2fcee4bf | 6342 | phba->sli4_hba.u.if_type2.CTRLregaddr = |
88a2cfbb JS |
6343 | phba->sli4_hba.conf_regs_memmap_p + |
6344 | LPFC_CTL_PORT_CTL_OFFSET; | |
2fcee4bf | 6345 | phba->sli4_hba.u.if_type2.STATUSregaddr = |
88a2cfbb JS |
6346 | phba->sli4_hba.conf_regs_memmap_p + |
6347 | LPFC_CTL_PORT_STA_OFFSET; | |
2fcee4bf JS |
6348 | phba->sli4_hba.SLIINTFregaddr = |
6349 | phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF; | |
6350 | phba->sli4_hba.PSMPHRregaddr = | |
88a2cfbb JS |
6351 | phba->sli4_hba.conf_regs_memmap_p + |
6352 | LPFC_CTL_PORT_SEM_OFFSET; | |
2fcee4bf | 6353 | phba->sli4_hba.RQDBregaddr = |
962bc51b JS |
6354 | phba->sli4_hba.conf_regs_memmap_p + |
6355 | LPFC_ULP0_RQ_DOORBELL; | |
2fcee4bf | 6356 | phba->sli4_hba.WQDBregaddr = |
962bc51b JS |
6357 | phba->sli4_hba.conf_regs_memmap_p + |
6358 | LPFC_ULP0_WQ_DOORBELL; | |
2fcee4bf JS |
6359 | phba->sli4_hba.EQCQDBregaddr = |
6360 | phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL; | |
6361 | phba->sli4_hba.MQDBregaddr = | |
6362 | phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL; | |
6363 | phba->sli4_hba.BMBXregaddr = | |
6364 | phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX; | |
6365 | break; | |
6366 | case LPFC_SLI_INTF_IF_TYPE_1: | |
6367 | default: | |
6368 | dev_printk(KERN_ERR, &phba->pcidev->dev, | |
6369 | "FATAL - unsupported SLI4 interface type - %d\n", | |
6370 | if_type); | |
6371 | break; | |
6372 | } | |
da0436e9 | 6373 | } |
3772a991 | 6374 | |
da0436e9 JS |
6375 | /** |
6376 | * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map. | |
6377 | * @phba: pointer to lpfc hba data structure. | |
6378 | * | |
6379 | * This routine is invoked to set up SLI4 BAR1 control status register (CSR) | |
6380 | * memory map. | |
6381 | **/ | |
6382 | static void | |
6383 | lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba) | |
6384 | { | |
2fcee4bf JS |
6385 | phba->sli4_hba.PSMPHRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
6386 | LPFC_SLIPORT_IF0_SMPHR; | |
da0436e9 | 6387 | phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 6388 | LPFC_HST_ISR0; |
da0436e9 | 6389 | phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 6390 | LPFC_HST_IMR0; |
da0436e9 | 6391 | phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
2fcee4bf | 6392 | LPFC_HST_ISCR0; |
3772a991 JS |
6393 | } |
6394 | ||
6395 | /** | |
da0436e9 | 6396 | * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map. |
3772a991 | 6397 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 6398 | * @vf: virtual function number |
3772a991 | 6399 | * |
da0436e9 JS |
6400 | * This routine is invoked to set up SLI4 BAR2 doorbell register memory map |
6401 | * based on the given viftual function number, @vf. | |
6402 | * | |
6403 | * Return 0 if successful, otherwise -ENODEV. | |
3772a991 | 6404 | **/ |
da0436e9 JS |
6405 | static int |
6406 | lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf) | |
3772a991 | 6407 | { |
da0436e9 JS |
6408 | if (vf > LPFC_VIR_FUNC_MAX) |
6409 | return -ENODEV; | |
3772a991 | 6410 | |
da0436e9 | 6411 | phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
962bc51b JS |
6412 | vf * LPFC_VFR_PAGE_SIZE + |
6413 | LPFC_ULP0_RQ_DOORBELL); | |
da0436e9 | 6414 | phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
962bc51b JS |
6415 | vf * LPFC_VFR_PAGE_SIZE + |
6416 | LPFC_ULP0_WQ_DOORBELL); | |
da0436e9 JS |
6417 | phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
6418 | vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL); | |
6419 | phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
6420 | vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL); | |
6421 | phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
6422 | vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX); | |
6423 | return 0; | |
3772a991 JS |
6424 | } |
6425 | ||
6426 | /** | |
da0436e9 | 6427 | * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox |
3772a991 JS |
6428 | * @phba: pointer to lpfc hba data structure. |
6429 | * | |
da0436e9 JS |
6430 | * This routine is invoked to create the bootstrap mailbox |
6431 | * region consistent with the SLI-4 interface spec. This | |
6432 | * routine allocates all memory necessary to communicate | |
6433 | * mailbox commands to the port and sets up all alignment | |
6434 | * needs. No locks are expected to be held when calling | |
6435 | * this routine. | |
3772a991 JS |
6436 | * |
6437 | * Return codes | |
af901ca1 | 6438 | * 0 - successful |
d439d286 | 6439 | * -ENOMEM - could not allocated memory. |
da0436e9 | 6440 | **/ |
3772a991 | 6441 | static int |
da0436e9 | 6442 | lpfc_create_bootstrap_mbox(struct lpfc_hba *phba) |
3772a991 | 6443 | { |
da0436e9 JS |
6444 | uint32_t bmbx_size; |
6445 | struct lpfc_dmabuf *dmabuf; | |
6446 | struct dma_address *dma_address; | |
6447 | uint32_t pa_addr; | |
6448 | uint64_t phys_addr; | |
6449 | ||
6450 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
6451 | if (!dmabuf) | |
6452 | return -ENOMEM; | |
3772a991 | 6453 | |
da0436e9 JS |
6454 | /* |
6455 | * The bootstrap mailbox region is comprised of 2 parts | |
6456 | * plus an alignment restriction of 16 bytes. | |
6457 | */ | |
6458 | bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1); | |
6459 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
6460 | bmbx_size, | |
6461 | &dmabuf->phys, | |
6462 | GFP_KERNEL); | |
6463 | if (!dmabuf->virt) { | |
6464 | kfree(dmabuf); | |
6465 | return -ENOMEM; | |
3772a991 | 6466 | } |
da0436e9 | 6467 | memset(dmabuf->virt, 0, bmbx_size); |
3772a991 | 6468 | |
da0436e9 JS |
6469 | /* |
6470 | * Initialize the bootstrap mailbox pointers now so that the register | |
6471 | * operations are simple later. The mailbox dma address is required | |
6472 | * to be 16-byte aligned. Also align the virtual memory as each | |
6473 | * maibox is copied into the bmbx mailbox region before issuing the | |
6474 | * command to the port. | |
6475 | */ | |
6476 | phba->sli4_hba.bmbx.dmabuf = dmabuf; | |
6477 | phba->sli4_hba.bmbx.bmbx_size = bmbx_size; | |
6478 | ||
6479 | phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt, | |
6480 | LPFC_ALIGN_16_BYTE); | |
6481 | phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys, | |
6482 | LPFC_ALIGN_16_BYTE); | |
6483 | ||
6484 | /* | |
6485 | * Set the high and low physical addresses now. The SLI4 alignment | |
6486 | * requirement is 16 bytes and the mailbox is posted to the port | |
6487 | * as two 30-bit addresses. The other data is a bit marking whether | |
6488 | * the 30-bit address is the high or low address. | |
6489 | * Upcast bmbx aphys to 64bits so shift instruction compiles | |
6490 | * clean on 32 bit machines. | |
6491 | */ | |
6492 | dma_address = &phba->sli4_hba.bmbx.dma_address; | |
6493 | phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys; | |
6494 | pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff); | |
6495 | dma_address->addr_hi = (uint32_t) ((pa_addr << 2) | | |
6496 | LPFC_BMBX_BIT1_ADDR_HI); | |
6497 | ||
6498 | pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff); | |
6499 | dma_address->addr_lo = (uint32_t) ((pa_addr << 2) | | |
6500 | LPFC_BMBX_BIT1_ADDR_LO); | |
6501 | return 0; | |
3772a991 JS |
6502 | } |
6503 | ||
6504 | /** | |
da0436e9 | 6505 | * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources |
3772a991 JS |
6506 | * @phba: pointer to lpfc hba data structure. |
6507 | * | |
da0436e9 JS |
6508 | * This routine is invoked to teardown the bootstrap mailbox |
6509 | * region and release all host resources. This routine requires | |
6510 | * the caller to ensure all mailbox commands recovered, no | |
6511 | * additional mailbox comands are sent, and interrupts are disabled | |
6512 | * before calling this routine. | |
6513 | * | |
6514 | **/ | |
3772a991 | 6515 | static void |
da0436e9 | 6516 | lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba) |
3772a991 | 6517 | { |
da0436e9 JS |
6518 | dma_free_coherent(&phba->pcidev->dev, |
6519 | phba->sli4_hba.bmbx.bmbx_size, | |
6520 | phba->sli4_hba.bmbx.dmabuf->virt, | |
6521 | phba->sli4_hba.bmbx.dmabuf->phys); | |
6522 | ||
6523 | kfree(phba->sli4_hba.bmbx.dmabuf); | |
6524 | memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx)); | |
3772a991 JS |
6525 | } |
6526 | ||
6527 | /** | |
da0436e9 | 6528 | * lpfc_sli4_read_config - Get the config parameters. |
3772a991 JS |
6529 | * @phba: pointer to lpfc hba data structure. |
6530 | * | |
da0436e9 JS |
6531 | * This routine is invoked to read the configuration parameters from the HBA. |
6532 | * The configuration parameters are used to set the base and maximum values | |
6533 | * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource | |
6534 | * allocation for the port. | |
3772a991 JS |
6535 | * |
6536 | * Return codes | |
af901ca1 | 6537 | * 0 - successful |
25985edc | 6538 | * -ENOMEM - No available memory |
d439d286 | 6539 | * -EIO - The mailbox failed to complete successfully. |
3772a991 | 6540 | **/ |
ff78d8f9 | 6541 | int |
da0436e9 | 6542 | lpfc_sli4_read_config(struct lpfc_hba *phba) |
3772a991 | 6543 | { |
da0436e9 JS |
6544 | LPFC_MBOXQ_t *pmb; |
6545 | struct lpfc_mbx_read_config *rd_config; | |
912e3acd JS |
6546 | union lpfc_sli4_cfg_shdr *shdr; |
6547 | uint32_t shdr_status, shdr_add_status; | |
6548 | struct lpfc_mbx_get_func_cfg *get_func_cfg; | |
6549 | struct lpfc_rsrc_desc_fcfcoe *desc; | |
8aa134a8 | 6550 | char *pdesc_0; |
912e3acd | 6551 | uint32_t desc_count; |
8aa134a8 | 6552 | int length, i, rc = 0, rc2; |
3772a991 | 6553 | |
da0436e9 JS |
6554 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
6555 | if (!pmb) { | |
6556 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6557 | "2011 Unable to allocate memory for issuing " | |
6558 | "SLI_CONFIG_SPECIAL mailbox command\n"); | |
6559 | return -ENOMEM; | |
3772a991 JS |
6560 | } |
6561 | ||
da0436e9 | 6562 | lpfc_read_config(phba, pmb); |
3772a991 | 6563 | |
da0436e9 JS |
6564 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
6565 | if (rc != MBX_SUCCESS) { | |
6566 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6567 | "2012 Mailbox failed , mbxCmd x%x " | |
6568 | "READ_CONFIG, mbxStatus x%x\n", | |
6569 | bf_get(lpfc_mqe_command, &pmb->u.mqe), | |
6570 | bf_get(lpfc_mqe_status, &pmb->u.mqe)); | |
6571 | rc = -EIO; | |
6572 | } else { | |
6573 | rd_config = &pmb->u.mqe.un.rd_config; | |
ff78d8f9 JS |
6574 | if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) { |
6575 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL; | |
6576 | phba->sli4_hba.lnk_info.lnk_tp = | |
6577 | bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config); | |
6578 | phba->sli4_hba.lnk_info.lnk_no = | |
6579 | bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config); | |
6580 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
6581 | "3081 lnk_type:%d, lnk_numb:%d\n", | |
6582 | phba->sli4_hba.lnk_info.lnk_tp, | |
6583 | phba->sli4_hba.lnk_info.lnk_no); | |
6584 | } else | |
6585 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
6586 | "3082 Mailbox (x%x) returned ldv:x0\n", | |
6587 | bf_get(lpfc_mqe_command, &pmb->u.mqe)); | |
6d368e53 JS |
6588 | phba->sli4_hba.extents_in_use = |
6589 | bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config); | |
da0436e9 JS |
6590 | phba->sli4_hba.max_cfg_param.max_xri = |
6591 | bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); | |
6592 | phba->sli4_hba.max_cfg_param.xri_base = | |
6593 | bf_get(lpfc_mbx_rd_conf_xri_base, rd_config); | |
6594 | phba->sli4_hba.max_cfg_param.max_vpi = | |
6595 | bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config); | |
6596 | phba->sli4_hba.max_cfg_param.vpi_base = | |
6597 | bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config); | |
6598 | phba->sli4_hba.max_cfg_param.max_rpi = | |
6599 | bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); | |
6600 | phba->sli4_hba.max_cfg_param.rpi_base = | |
6601 | bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config); | |
6602 | phba->sli4_hba.max_cfg_param.max_vfi = | |
6603 | bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config); | |
6604 | phba->sli4_hba.max_cfg_param.vfi_base = | |
6605 | bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config); | |
6606 | phba->sli4_hba.max_cfg_param.max_fcfi = | |
6607 | bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config); | |
da0436e9 JS |
6608 | phba->sli4_hba.max_cfg_param.max_eq = |
6609 | bf_get(lpfc_mbx_rd_conf_eq_count, rd_config); | |
6610 | phba->sli4_hba.max_cfg_param.max_rq = | |
6611 | bf_get(lpfc_mbx_rd_conf_rq_count, rd_config); | |
6612 | phba->sli4_hba.max_cfg_param.max_wq = | |
6613 | bf_get(lpfc_mbx_rd_conf_wq_count, rd_config); | |
6614 | phba->sli4_hba.max_cfg_param.max_cq = | |
6615 | bf_get(lpfc_mbx_rd_conf_cq_count, rd_config); | |
6616 | phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config); | |
6617 | phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base; | |
6618 | phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base; | |
6619 | phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base; | |
5ffc266e JS |
6620 | phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ? |
6621 | (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0; | |
da0436e9 JS |
6622 | phba->max_vports = phba->max_vpi; |
6623 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
6d368e53 JS |
6624 | "2003 cfg params Extents? %d " |
6625 | "XRI(B:%d M:%d), " | |
da0436e9 JS |
6626 | "VPI(B:%d M:%d) " |
6627 | "VFI(B:%d M:%d) " | |
6628 | "RPI(B:%d M:%d) " | |
6d368e53 JS |
6629 | "FCFI(Count:%d)\n", |
6630 | phba->sli4_hba.extents_in_use, | |
da0436e9 JS |
6631 | phba->sli4_hba.max_cfg_param.xri_base, |
6632 | phba->sli4_hba.max_cfg_param.max_xri, | |
6633 | phba->sli4_hba.max_cfg_param.vpi_base, | |
6634 | phba->sli4_hba.max_cfg_param.max_vpi, | |
6635 | phba->sli4_hba.max_cfg_param.vfi_base, | |
6636 | phba->sli4_hba.max_cfg_param.max_vfi, | |
6637 | phba->sli4_hba.max_cfg_param.rpi_base, | |
6638 | phba->sli4_hba.max_cfg_param.max_rpi, | |
da0436e9 | 6639 | phba->sli4_hba.max_cfg_param.max_fcfi); |
3772a991 | 6640 | } |
912e3acd JS |
6641 | |
6642 | if (rc) | |
6643 | goto read_cfg_out; | |
da0436e9 JS |
6644 | |
6645 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ | |
b92938b4 JS |
6646 | if (phba->cfg_hba_queue_depth > |
6647 | (phba->sli4_hba.max_cfg_param.max_xri - | |
6648 | lpfc_sli4_get_els_iocb_cnt(phba))) | |
da0436e9 | 6649 | phba->cfg_hba_queue_depth = |
b92938b4 JS |
6650 | phba->sli4_hba.max_cfg_param.max_xri - |
6651 | lpfc_sli4_get_els_iocb_cnt(phba); | |
912e3acd JS |
6652 | |
6653 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
6654 | LPFC_SLI_INTF_IF_TYPE_2) | |
6655 | goto read_cfg_out; | |
6656 | ||
6657 | /* get the pf# and vf# for SLI4 if_type 2 port */ | |
6658 | length = (sizeof(struct lpfc_mbx_get_func_cfg) - | |
6659 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
6660 | lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6661 | LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG, | |
6662 | length, LPFC_SLI4_MBX_EMBED); | |
6663 | ||
8aa134a8 | 6664 | rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
912e3acd JS |
6665 | shdr = (union lpfc_sli4_cfg_shdr *) |
6666 | &pmb->u.mqe.un.sli4_config.header.cfg_shdr; | |
6667 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
6668 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
8aa134a8 | 6669 | if (rc2 || shdr_status || shdr_add_status) { |
912e3acd JS |
6670 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
6671 | "3026 Mailbox failed , mbxCmd x%x " | |
6672 | "GET_FUNCTION_CONFIG, mbxStatus x%x\n", | |
6673 | bf_get(lpfc_mqe_command, &pmb->u.mqe), | |
6674 | bf_get(lpfc_mqe_status, &pmb->u.mqe)); | |
912e3acd JS |
6675 | goto read_cfg_out; |
6676 | } | |
6677 | ||
6678 | /* search for fc_fcoe resrouce descriptor */ | |
6679 | get_func_cfg = &pmb->u.mqe.un.get_func_cfg; | |
6680 | desc_count = get_func_cfg->func_cfg.rsrc_desc_count; | |
6681 | ||
8aa134a8 JS |
6682 | pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0]; |
6683 | desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0; | |
6684 | length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc); | |
6685 | if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD) | |
6686 | length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH; | |
6687 | else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH) | |
6688 | goto read_cfg_out; | |
6689 | ||
912e3acd | 6690 | for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) { |
8aa134a8 | 6691 | desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i); |
912e3acd | 6692 | if (LPFC_RSRC_DESC_TYPE_FCFCOE == |
8aa134a8 | 6693 | bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) { |
912e3acd JS |
6694 | phba->sli4_hba.iov.pf_number = |
6695 | bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc); | |
6696 | phba->sli4_hba.iov.vf_number = | |
6697 | bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc); | |
6698 | break; | |
6699 | } | |
6700 | } | |
6701 | ||
6702 | if (i < LPFC_RSRC_DESC_MAX_NUM) | |
6703 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
6704 | "3027 GET_FUNCTION_CONFIG: pf_number:%d, " | |
6705 | "vf_number:%d\n", phba->sli4_hba.iov.pf_number, | |
6706 | phba->sli4_hba.iov.vf_number); | |
8aa134a8 | 6707 | else |
912e3acd JS |
6708 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
6709 | "3028 GET_FUNCTION_CONFIG: failed to find " | |
6710 | "Resrouce Descriptor:x%x\n", | |
6711 | LPFC_RSRC_DESC_TYPE_FCFCOE); | |
912e3acd JS |
6712 | |
6713 | read_cfg_out: | |
6714 | mempool_free(pmb, phba->mbox_mem_pool); | |
da0436e9 | 6715 | return rc; |
3772a991 JS |
6716 | } |
6717 | ||
6718 | /** | |
2fcee4bf | 6719 | * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port. |
3772a991 JS |
6720 | * @phba: pointer to lpfc hba data structure. |
6721 | * | |
2fcee4bf JS |
6722 | * This routine is invoked to setup the port-side endian order when |
6723 | * the port if_type is 0. This routine has no function for other | |
6724 | * if_types. | |
da0436e9 JS |
6725 | * |
6726 | * Return codes | |
af901ca1 | 6727 | * 0 - successful |
25985edc | 6728 | * -ENOMEM - No available memory |
d439d286 | 6729 | * -EIO - The mailbox failed to complete successfully. |
3772a991 | 6730 | **/ |
da0436e9 JS |
6731 | static int |
6732 | lpfc_setup_endian_order(struct lpfc_hba *phba) | |
3772a991 | 6733 | { |
da0436e9 | 6734 | LPFC_MBOXQ_t *mboxq; |
2fcee4bf | 6735 | uint32_t if_type, rc = 0; |
da0436e9 JS |
6736 | uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0, |
6737 | HOST_ENDIAN_HIGH_WORD1}; | |
3772a991 | 6738 | |
2fcee4bf JS |
6739 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
6740 | switch (if_type) { | |
6741 | case LPFC_SLI_INTF_IF_TYPE_0: | |
6742 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
6743 | GFP_KERNEL); | |
6744 | if (!mboxq) { | |
6745 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6746 | "0492 Unable to allocate memory for " | |
6747 | "issuing SLI_CONFIG_SPECIAL mailbox " | |
6748 | "command\n"); | |
6749 | return -ENOMEM; | |
6750 | } | |
3772a991 | 6751 | |
2fcee4bf JS |
6752 | /* |
6753 | * The SLI4_CONFIG_SPECIAL mailbox command requires the first | |
6754 | * two words to contain special data values and no other data. | |
6755 | */ | |
6756 | memset(mboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
6757 | memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data)); | |
6758 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6759 | if (rc != MBX_SUCCESS) { | |
6760 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6761 | "0493 SLI_CONFIG_SPECIAL mailbox " | |
6762 | "failed with status x%x\n", | |
6763 | rc); | |
6764 | rc = -EIO; | |
6765 | } | |
6766 | mempool_free(mboxq, phba->mbox_mem_pool); | |
6767 | break; | |
6768 | case LPFC_SLI_INTF_IF_TYPE_2: | |
6769 | case LPFC_SLI_INTF_IF_TYPE_1: | |
6770 | default: | |
6771 | break; | |
da0436e9 | 6772 | } |
da0436e9 | 6773 | return rc; |
3772a991 JS |
6774 | } |
6775 | ||
6776 | /** | |
5350d872 | 6777 | * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts |
3772a991 JS |
6778 | * @phba: pointer to lpfc hba data structure. |
6779 | * | |
5350d872 JS |
6780 | * This routine is invoked to check the user settable queue counts for EQs and |
6781 | * CQs. after this routine is called the counts will be set to valid values that | |
6782 | * adhere to the constraints of the system's interrupt vectors and the port's | |
6783 | * queue resources. | |
da0436e9 JS |
6784 | * |
6785 | * Return codes | |
af901ca1 | 6786 | * 0 - successful |
25985edc | 6787 | * -ENOMEM - No available memory |
3772a991 | 6788 | **/ |
da0436e9 | 6789 | static int |
5350d872 | 6790 | lpfc_sli4_queue_verify(struct lpfc_hba *phba) |
3772a991 | 6791 | { |
67d12733 | 6792 | int cfg_fcp_io_channel; |
90695ee0 JS |
6793 | uint32_t cpu; |
6794 | uint32_t i = 0; | |
6795 | ||
3772a991 | 6796 | |
da0436e9 | 6797 | /* |
67d12733 | 6798 | * Sanity check for configured queue parameters against the run-time |
da0436e9 JS |
6799 | * device parameters |
6800 | */ | |
3772a991 | 6801 | |
67d12733 JS |
6802 | /* Sanity check on HBA EQ parameters */ |
6803 | cfg_fcp_io_channel = phba->cfg_fcp_io_channel; | |
6804 | ||
90695ee0 JS |
6805 | /* It doesn't make sense to have more io channels then CPUs */ |
6806 | for_each_online_cpu(cpu) { | |
6807 | i++; | |
6808 | } | |
6809 | if (i < cfg_fcp_io_channel) { | |
82c3e9ba JS |
6810 | lpfc_printf_log(phba, |
6811 | KERN_ERR, LOG_INIT, | |
90695ee0 JS |
6812 | "3188 Reducing IO channels to match number of " |
6813 | "CPUs: from %d to %d\n", cfg_fcp_io_channel, i); | |
6814 | cfg_fcp_io_channel = i; | |
6815 | } | |
6816 | ||
67d12733 JS |
6817 | if (cfg_fcp_io_channel > |
6818 | phba->sli4_hba.max_cfg_param.max_eq) { | |
82c3e9ba JS |
6819 | if (phba->sli4_hba.max_cfg_param.max_eq < |
6820 | LPFC_FCP_IO_CHAN_MIN) { | |
da0436e9 JS |
6821 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
6822 | "2574 Not enough EQs (%d) from the " | |
6823 | "pci function for supporting FCP " | |
6824 | "EQs (%d)\n", | |
6825 | phba->sli4_hba.max_cfg_param.max_eq, | |
67d12733 | 6826 | phba->cfg_fcp_io_channel); |
da0436e9 JS |
6827 | goto out_error; |
6828 | } | |
82c3e9ba JS |
6829 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
6830 | "2575 Reducing IO channels to match number of " | |
6831 | "available EQs: from %d to %d\n", | |
6832 | cfg_fcp_io_channel, | |
6833 | phba->sli4_hba.max_cfg_param.max_eq); | |
6834 | cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq; | |
da0436e9 | 6835 | } |
67d12733 JS |
6836 | |
6837 | /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */ | |
6838 | ||
da0436e9 | 6839 | /* The actual number of FCP event queues adopted */ |
67d12733 JS |
6840 | phba->cfg_fcp_eq_count = cfg_fcp_io_channel; |
6841 | phba->cfg_fcp_wq_count = cfg_fcp_io_channel; | |
6842 | phba->cfg_fcp_io_channel = cfg_fcp_io_channel; | |
3772a991 | 6843 | |
da0436e9 JS |
6844 | /* Get EQ depth from module parameter, fake the default for now */ |
6845 | phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B; | |
6846 | phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT; | |
3772a991 | 6847 | |
5350d872 JS |
6848 | /* Get CQ depth from module parameter, fake the default for now */ |
6849 | phba->sli4_hba.cq_esize = LPFC_CQE_SIZE; | |
6850 | phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT; | |
6851 | ||
6852 | return 0; | |
6853 | out_error: | |
6854 | return -ENOMEM; | |
6855 | } | |
6856 | ||
6857 | /** | |
6858 | * lpfc_sli4_queue_create - Create all the SLI4 queues | |
6859 | * @phba: pointer to lpfc hba data structure. | |
6860 | * | |
6861 | * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA | |
6862 | * operation. For each SLI4 queue type, the parameters such as queue entry | |
6863 | * count (queue depth) shall be taken from the module parameter. For now, | |
6864 | * we just use some constant number as place holder. | |
6865 | * | |
6866 | * Return codes | |
4907cb7b | 6867 | * 0 - successful |
5350d872 JS |
6868 | * -ENOMEM - No availble memory |
6869 | * -EIO - The mailbox failed to complete successfully. | |
6870 | **/ | |
6871 | int | |
6872 | lpfc_sli4_queue_create(struct lpfc_hba *phba) | |
6873 | { | |
6874 | struct lpfc_queue *qdesc; | |
67d12733 | 6875 | int idx; |
5350d872 JS |
6876 | |
6877 | /* | |
67d12733 | 6878 | * Create HBA Record arrays. |
5350d872 | 6879 | */ |
67d12733 JS |
6880 | if (!phba->cfg_fcp_io_channel) |
6881 | return -ERANGE; | |
5350d872 | 6882 | |
67d12733 JS |
6883 | phba->sli4_hba.mq_esize = LPFC_MQE_SIZE; |
6884 | phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT; | |
6885 | phba->sli4_hba.wq_esize = LPFC_WQE_SIZE; | |
6886 | phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT; | |
6887 | phba->sli4_hba.rq_esize = LPFC_RQE_SIZE; | |
6888 | phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT; | |
6889 | ||
6890 | phba->sli4_hba.hba_eq = kzalloc((sizeof(struct lpfc_queue *) * | |
6891 | phba->cfg_fcp_io_channel), GFP_KERNEL); | |
6892 | if (!phba->sli4_hba.hba_eq) { | |
6893 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6894 | "2576 Failed allocate memory for " | |
6895 | "fast-path EQ record array\n"); | |
6896 | goto out_error; | |
6897 | } | |
6898 | ||
6899 | phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) * | |
6900 | phba->cfg_fcp_io_channel), GFP_KERNEL); | |
6901 | if (!phba->sli4_hba.fcp_cq) { | |
da0436e9 | 6902 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
67d12733 JS |
6903 | "2577 Failed allocate memory for fast-path " |
6904 | "CQ record array\n"); | |
6905 | goto out_error; | |
6906 | } | |
6907 | ||
6908 | phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) * | |
6909 | phba->cfg_fcp_io_channel), GFP_KERNEL); | |
6910 | if (!phba->sli4_hba.fcp_wq) { | |
6911 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6912 | "2578 Failed allocate memory for fast-path " | |
6913 | "WQ record array\n"); | |
da0436e9 JS |
6914 | goto out_error; |
6915 | } | |
da0436e9 | 6916 | |
5350d872 | 6917 | /* |
67d12733 JS |
6918 | * Since the first EQ can have multiple CQs associated with it, |
6919 | * this array is used to quickly see if we have a FCP fast-path | |
6920 | * CQ match. | |
5350d872 | 6921 | */ |
67d12733 JS |
6922 | phba->sli4_hba.fcp_cq_map = kzalloc((sizeof(uint16_t) * |
6923 | phba->cfg_fcp_io_channel), GFP_KERNEL); | |
6924 | if (!phba->sli4_hba.fcp_cq_map) { | |
6925 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6926 | "2545 Failed allocate memory for fast-path " | |
6927 | "CQ map\n"); | |
6928 | goto out_error; | |
da0436e9 | 6929 | } |
67d12733 JS |
6930 | |
6931 | /* | |
6932 | * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies | |
6933 | * how many EQs to create. | |
6934 | */ | |
6935 | for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) { | |
6936 | ||
6937 | /* Create EQs */ | |
da0436e9 JS |
6938 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize, |
6939 | phba->sli4_hba.eq_ecount); | |
6940 | if (!qdesc) { | |
6941 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
67d12733 JS |
6942 | "0497 Failed allocate EQ (%d)\n", idx); |
6943 | goto out_error; | |
da0436e9 | 6944 | } |
67d12733 JS |
6945 | phba->sli4_hba.hba_eq[idx] = qdesc; |
6946 | ||
6947 | /* Create Fast Path FCP CQs */ | |
6948 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
6949 | phba->sli4_hba.cq_ecount); | |
6950 | if (!qdesc) { | |
6951 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6952 | "0499 Failed allocate fast-path FCP " | |
6953 | "CQ (%d)\n", idx); | |
6954 | goto out_error; | |
6955 | } | |
6956 | phba->sli4_hba.fcp_cq[idx] = qdesc; | |
6957 | ||
6958 | /* Create Fast Path FCP WQs */ | |
6959 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, | |
6960 | phba->sli4_hba.wq_ecount); | |
6961 | if (!qdesc) { | |
6962 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6963 | "0503 Failed allocate fast-path FCP " | |
6964 | "WQ (%d)\n", idx); | |
6965 | goto out_error; | |
6966 | } | |
6967 | phba->sli4_hba.fcp_wq[idx] = qdesc; | |
da0436e9 JS |
6968 | } |
6969 | ||
67d12733 | 6970 | |
da0436e9 | 6971 | /* |
67d12733 | 6972 | * Create Slow Path Completion Queues (CQs) |
da0436e9 JS |
6973 | */ |
6974 | ||
da0436e9 JS |
6975 | /* Create slow-path Mailbox Command Complete Queue */ |
6976 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
6977 | phba->sli4_hba.cq_ecount); | |
6978 | if (!qdesc) { | |
6979 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6980 | "0500 Failed allocate slow-path mailbox CQ\n"); | |
67d12733 | 6981 | goto out_error; |
da0436e9 JS |
6982 | } |
6983 | phba->sli4_hba.mbx_cq = qdesc; | |
6984 | ||
6985 | /* Create slow-path ELS Complete Queue */ | |
6986 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
6987 | phba->sli4_hba.cq_ecount); | |
6988 | if (!qdesc) { | |
6989 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6990 | "0501 Failed allocate slow-path ELS CQ\n"); | |
67d12733 | 6991 | goto out_error; |
da0436e9 JS |
6992 | } |
6993 | phba->sli4_hba.els_cq = qdesc; | |
6994 | ||
da0436e9 | 6995 | |
5350d872 | 6996 | /* |
67d12733 | 6997 | * Create Slow Path Work Queues (WQs) |
5350d872 | 6998 | */ |
da0436e9 JS |
6999 | |
7000 | /* Create Mailbox Command Queue */ | |
da0436e9 JS |
7001 | |
7002 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize, | |
7003 | phba->sli4_hba.mq_ecount); | |
7004 | if (!qdesc) { | |
7005 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7006 | "0505 Failed allocate slow-path MQ\n"); | |
67d12733 | 7007 | goto out_error; |
da0436e9 JS |
7008 | } |
7009 | phba->sli4_hba.mbx_wq = qdesc; | |
7010 | ||
7011 | /* | |
67d12733 | 7012 | * Create ELS Work Queues |
da0436e9 | 7013 | */ |
da0436e9 JS |
7014 | |
7015 | /* Create slow-path ELS Work Queue */ | |
7016 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, | |
7017 | phba->sli4_hba.wq_ecount); | |
7018 | if (!qdesc) { | |
7019 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7020 | "0504 Failed allocate slow-path ELS WQ\n"); | |
67d12733 | 7021 | goto out_error; |
da0436e9 JS |
7022 | } |
7023 | phba->sli4_hba.els_wq = qdesc; | |
7024 | ||
da0436e9 JS |
7025 | /* |
7026 | * Create Receive Queue (RQ) | |
7027 | */ | |
da0436e9 JS |
7028 | |
7029 | /* Create Receive Queue for header */ | |
7030 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, | |
7031 | phba->sli4_hba.rq_ecount); | |
7032 | if (!qdesc) { | |
7033 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7034 | "0506 Failed allocate receive HRQ\n"); | |
67d12733 | 7035 | goto out_error; |
da0436e9 JS |
7036 | } |
7037 | phba->sli4_hba.hdr_rq = qdesc; | |
7038 | ||
7039 | /* Create Receive Queue for data */ | |
7040 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, | |
7041 | phba->sli4_hba.rq_ecount); | |
7042 | if (!qdesc) { | |
7043 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7044 | "0507 Failed allocate receive DRQ\n"); | |
67d12733 | 7045 | goto out_error; |
da0436e9 JS |
7046 | } |
7047 | phba->sli4_hba.dat_rq = qdesc; | |
7048 | ||
7049 | return 0; | |
7050 | ||
da0436e9 | 7051 | out_error: |
67d12733 | 7052 | lpfc_sli4_queue_destroy(phba); |
da0436e9 JS |
7053 | return -ENOMEM; |
7054 | } | |
7055 | ||
7056 | /** | |
7057 | * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues | |
7058 | * @phba: pointer to lpfc hba data structure. | |
7059 | * | |
7060 | * This routine is invoked to release all the SLI4 queues with the FCoE HBA | |
7061 | * operation. | |
7062 | * | |
7063 | * Return codes | |
af901ca1 | 7064 | * 0 - successful |
25985edc | 7065 | * -ENOMEM - No available memory |
d439d286 | 7066 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 | 7067 | **/ |
5350d872 | 7068 | void |
da0436e9 JS |
7069 | lpfc_sli4_queue_destroy(struct lpfc_hba *phba) |
7070 | { | |
67d12733 JS |
7071 | int idx; |
7072 | ||
7073 | if (phba->sli4_hba.hba_eq != NULL) { | |
7074 | /* Release HBA event queue */ | |
7075 | for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) { | |
7076 | if (phba->sli4_hba.hba_eq[idx] != NULL) { | |
7077 | lpfc_sli4_queue_free( | |
7078 | phba->sli4_hba.hba_eq[idx]); | |
7079 | phba->sli4_hba.hba_eq[idx] = NULL; | |
7080 | } | |
7081 | } | |
7082 | kfree(phba->sli4_hba.hba_eq); | |
7083 | phba->sli4_hba.hba_eq = NULL; | |
7084 | } | |
7085 | ||
7086 | if (phba->sli4_hba.fcp_cq != NULL) { | |
7087 | /* Release FCP completion queue */ | |
7088 | for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) { | |
7089 | if (phba->sli4_hba.fcp_cq[idx] != NULL) { | |
7090 | lpfc_sli4_queue_free( | |
7091 | phba->sli4_hba.fcp_cq[idx]); | |
7092 | phba->sli4_hba.fcp_cq[idx] = NULL; | |
7093 | } | |
7094 | } | |
7095 | kfree(phba->sli4_hba.fcp_cq); | |
7096 | phba->sli4_hba.fcp_cq = NULL; | |
7097 | } | |
7098 | ||
7099 | if (phba->sli4_hba.fcp_wq != NULL) { | |
7100 | /* Release FCP work queue */ | |
7101 | for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) { | |
7102 | if (phba->sli4_hba.fcp_wq[idx] != NULL) { | |
7103 | lpfc_sli4_queue_free( | |
7104 | phba->sli4_hba.fcp_wq[idx]); | |
7105 | phba->sli4_hba.fcp_wq[idx] = NULL; | |
7106 | } | |
7107 | } | |
7108 | kfree(phba->sli4_hba.fcp_wq); | |
7109 | phba->sli4_hba.fcp_wq = NULL; | |
7110 | } | |
7111 | ||
962bc51b JS |
7112 | if (phba->pci_bar0_memmap_p) { |
7113 | iounmap(phba->pci_bar0_memmap_p); | |
7114 | phba->pci_bar0_memmap_p = NULL; | |
7115 | } | |
7116 | if (phba->pci_bar2_memmap_p) { | |
7117 | iounmap(phba->pci_bar2_memmap_p); | |
7118 | phba->pci_bar2_memmap_p = NULL; | |
7119 | } | |
7120 | if (phba->pci_bar4_memmap_p) { | |
7121 | iounmap(phba->pci_bar4_memmap_p); | |
7122 | phba->pci_bar4_memmap_p = NULL; | |
7123 | } | |
7124 | ||
67d12733 JS |
7125 | /* Release FCP CQ mapping array */ |
7126 | if (phba->sli4_hba.fcp_cq_map != NULL) { | |
7127 | kfree(phba->sli4_hba.fcp_cq_map); | |
7128 | phba->sli4_hba.fcp_cq_map = NULL; | |
7129 | } | |
da0436e9 JS |
7130 | |
7131 | /* Release mailbox command work queue */ | |
67d12733 JS |
7132 | if (phba->sli4_hba.mbx_wq != NULL) { |
7133 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq); | |
7134 | phba->sli4_hba.mbx_wq = NULL; | |
7135 | } | |
da0436e9 JS |
7136 | |
7137 | /* Release ELS work queue */ | |
67d12733 JS |
7138 | if (phba->sli4_hba.els_wq != NULL) { |
7139 | lpfc_sli4_queue_free(phba->sli4_hba.els_wq); | |
7140 | phba->sli4_hba.els_wq = NULL; | |
7141 | } | |
da0436e9 JS |
7142 | |
7143 | /* Release unsolicited receive queue */ | |
67d12733 JS |
7144 | if (phba->sli4_hba.hdr_rq != NULL) { |
7145 | lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq); | |
7146 | phba->sli4_hba.hdr_rq = NULL; | |
7147 | } | |
7148 | if (phba->sli4_hba.dat_rq != NULL) { | |
7149 | lpfc_sli4_queue_free(phba->sli4_hba.dat_rq); | |
7150 | phba->sli4_hba.dat_rq = NULL; | |
7151 | } | |
da0436e9 | 7152 | |
da0436e9 | 7153 | /* Release ELS complete queue */ |
67d12733 JS |
7154 | if (phba->sli4_hba.els_cq != NULL) { |
7155 | lpfc_sli4_queue_free(phba->sli4_hba.els_cq); | |
7156 | phba->sli4_hba.els_cq = NULL; | |
7157 | } | |
da0436e9 JS |
7158 | |
7159 | /* Release mailbox command complete queue */ | |
67d12733 JS |
7160 | if (phba->sli4_hba.mbx_cq != NULL) { |
7161 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq); | |
7162 | phba->sli4_hba.mbx_cq = NULL; | |
7163 | } | |
da0436e9 JS |
7164 | |
7165 | return; | |
7166 | } | |
7167 | ||
7168 | /** | |
7169 | * lpfc_sli4_queue_setup - Set up all the SLI4 queues | |
7170 | * @phba: pointer to lpfc hba data structure. | |
7171 | * | |
7172 | * This routine is invoked to set up all the SLI4 queues for the FCoE HBA | |
7173 | * operation. | |
7174 | * | |
7175 | * Return codes | |
af901ca1 | 7176 | * 0 - successful |
25985edc | 7177 | * -ENOMEM - No available memory |
d439d286 | 7178 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 JS |
7179 | **/ |
7180 | int | |
7181 | lpfc_sli4_queue_setup(struct lpfc_hba *phba) | |
7182 | { | |
2a76a283 JS |
7183 | struct lpfc_sli *psli = &phba->sli; |
7184 | struct lpfc_sli_ring *pring; | |
da0436e9 JS |
7185 | int rc = -ENOMEM; |
7186 | int fcp_eqidx, fcp_cqidx, fcp_wqidx; | |
7187 | int fcp_cq_index = 0; | |
962bc51b JS |
7188 | uint32_t shdr_status, shdr_add_status; |
7189 | union lpfc_sli4_cfg_shdr *shdr; | |
7190 | LPFC_MBOXQ_t *mboxq; | |
7191 | uint32_t length; | |
7192 | ||
7193 | /* Check for dual-ULP support */ | |
7194 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
7195 | if (!mboxq) { | |
7196 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7197 | "3249 Unable to allocate memory for " | |
7198 | "QUERY_FW_CFG mailbox command\n"); | |
7199 | return -ENOMEM; | |
7200 | } | |
7201 | length = (sizeof(struct lpfc_mbx_query_fw_config) - | |
7202 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
7203 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
7204 | LPFC_MBOX_OPCODE_QUERY_FW_CFG, | |
7205 | length, LPFC_SLI4_MBX_EMBED); | |
7206 | ||
7207 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7208 | ||
7209 | shdr = (union lpfc_sli4_cfg_shdr *) | |
7210 | &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; | |
7211 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
7212 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
7213 | if (shdr_status || shdr_add_status || rc) { | |
7214 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7215 | "3250 QUERY_FW_CFG mailbox failed with status " | |
7216 | "x%x add_status x%x, mbx status x%x\n", | |
7217 | shdr_status, shdr_add_status, rc); | |
7218 | if (rc != MBX_TIMEOUT) | |
7219 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7220 | rc = -ENXIO; | |
7221 | goto out_error; | |
7222 | } | |
7223 | ||
7224 | phba->sli4_hba.fw_func_mode = | |
7225 | mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode; | |
7226 | phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode; | |
7227 | phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode; | |
7228 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7229 | "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, " | |
7230 | "ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode, | |
7231 | phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode); | |
7232 | ||
7233 | if (rc != MBX_TIMEOUT) | |
7234 | mempool_free(mboxq, phba->mbox_mem_pool); | |
da0436e9 JS |
7235 | |
7236 | /* | |
67d12733 | 7237 | * Set up HBA Event Queues (EQs) |
da0436e9 JS |
7238 | */ |
7239 | ||
67d12733 JS |
7240 | /* Set up HBA event queue */ |
7241 | if (phba->cfg_fcp_io_channel && !phba->sli4_hba.hba_eq) { | |
2e90f4b5 JS |
7242 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
7243 | "3147 Fast-path EQs not allocated\n"); | |
1b51197d | 7244 | rc = -ENOMEM; |
67d12733 | 7245 | goto out_error; |
2e90f4b5 | 7246 | } |
67d12733 JS |
7247 | for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel; fcp_eqidx++) { |
7248 | if (!phba->sli4_hba.hba_eq[fcp_eqidx]) { | |
da0436e9 JS |
7249 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
7250 | "0522 Fast-path EQ (%d) not " | |
7251 | "allocated\n", fcp_eqidx); | |
1b51197d | 7252 | rc = -ENOMEM; |
67d12733 | 7253 | goto out_destroy_hba_eq; |
da0436e9 | 7254 | } |
67d12733 | 7255 | rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[fcp_eqidx], |
bf8dae83 | 7256 | (phba->cfg_fcp_imax / phba->cfg_fcp_io_channel)); |
da0436e9 JS |
7257 | if (rc) { |
7258 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7259 | "0523 Failed setup of fast-path EQ " | |
7260 | "(%d), rc = 0x%x\n", fcp_eqidx, rc); | |
67d12733 | 7261 | goto out_destroy_hba_eq; |
da0436e9 JS |
7262 | } |
7263 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
67d12733 | 7264 | "2584 HBA EQ setup: " |
da0436e9 | 7265 | "queue[%d]-id=%d\n", fcp_eqidx, |
67d12733 | 7266 | phba->sli4_hba.hba_eq[fcp_eqidx]->queue_id); |
da0436e9 JS |
7267 | } |
7268 | ||
67d12733 JS |
7269 | /* Set up fast-path FCP Response Complete Queue */ |
7270 | if (!phba->sli4_hba.fcp_cq) { | |
7271 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7272 | "3148 Fast-path FCP CQ array not " | |
7273 | "allocated\n"); | |
7274 | rc = -ENOMEM; | |
7275 | goto out_destroy_hba_eq; | |
7276 | } | |
7277 | ||
7278 | for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_io_channel; fcp_cqidx++) { | |
7279 | if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) { | |
7280 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7281 | "0526 Fast-path FCP CQ (%d) not " | |
7282 | "allocated\n", fcp_cqidx); | |
7283 | rc = -ENOMEM; | |
7284 | goto out_destroy_fcp_cq; | |
7285 | } | |
7286 | rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx], | |
7287 | phba->sli4_hba.hba_eq[fcp_cqidx], LPFC_WCQ, LPFC_FCP); | |
7288 | if (rc) { | |
7289 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7290 | "0527 Failed setup of fast-path FCP " | |
7291 | "CQ (%d), rc = 0x%x\n", fcp_cqidx, rc); | |
7292 | goto out_destroy_fcp_cq; | |
7293 | } | |
7294 | ||
7295 | /* Setup fcp_cq_map for fast lookup */ | |
7296 | phba->sli4_hba.fcp_cq_map[fcp_cqidx] = | |
7297 | phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id; | |
7298 | ||
7299 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7300 | "2588 FCP CQ setup: cq[%d]-id=%d, " | |
7301 | "parent seq[%d]-id=%d\n", | |
7302 | fcp_cqidx, | |
7303 | phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id, | |
7304 | fcp_cqidx, | |
7305 | phba->sli4_hba.hba_eq[fcp_cqidx]->queue_id); | |
7306 | } | |
7307 | ||
7308 | /* Set up fast-path FCP Work Queue */ | |
7309 | if (!phba->sli4_hba.fcp_wq) { | |
7310 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7311 | "3149 Fast-path FCP WQ array not " | |
7312 | "allocated\n"); | |
7313 | rc = -ENOMEM; | |
7314 | goto out_destroy_fcp_cq; | |
7315 | } | |
7316 | ||
7317 | for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++) { | |
7318 | if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) { | |
7319 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7320 | "0534 Fast-path FCP WQ (%d) not " | |
7321 | "allocated\n", fcp_wqidx); | |
7322 | rc = -ENOMEM; | |
7323 | goto out_destroy_fcp_wq; | |
7324 | } | |
7325 | rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx], | |
7326 | phba->sli4_hba.fcp_cq[fcp_wqidx], | |
7327 | LPFC_FCP); | |
7328 | if (rc) { | |
7329 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7330 | "0535 Failed setup of fast-path FCP " | |
7331 | "WQ (%d), rc = 0x%x\n", fcp_wqidx, rc); | |
7332 | goto out_destroy_fcp_wq; | |
7333 | } | |
7334 | ||
7335 | /* Bind this WQ to the next FCP ring */ | |
7336 | pring = &psli->ring[MAX_SLI3_CONFIGURED_RINGS + fcp_wqidx]; | |
7337 | pring->sli.sli4.wqp = (void *)phba->sli4_hba.fcp_wq[fcp_wqidx]; | |
7338 | phba->sli4_hba.fcp_cq[fcp_wqidx]->pring = pring; | |
7339 | ||
7340 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7341 | "2591 FCP WQ setup: wq[%d]-id=%d, " | |
7342 | "parent cq[%d]-id=%d\n", | |
7343 | fcp_wqidx, | |
7344 | phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id, | |
7345 | fcp_cq_index, | |
7346 | phba->sli4_hba.fcp_cq[fcp_wqidx]->queue_id); | |
7347 | } | |
da0436e9 JS |
7348 | /* |
7349 | * Set up Complete Queues (CQs) | |
7350 | */ | |
7351 | ||
7352 | /* Set up slow-path MBOX Complete Queue as the first CQ */ | |
7353 | if (!phba->sli4_hba.mbx_cq) { | |
7354 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7355 | "0528 Mailbox CQ not allocated\n"); | |
1b51197d | 7356 | rc = -ENOMEM; |
67d12733 | 7357 | goto out_destroy_fcp_wq; |
da0436e9 | 7358 | } |
67d12733 JS |
7359 | rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq, |
7360 | phba->sli4_hba.hba_eq[0], LPFC_MCQ, LPFC_MBOX); | |
da0436e9 JS |
7361 | if (rc) { |
7362 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7363 | "0529 Failed setup of slow-path mailbox CQ: " | |
7364 | "rc = 0x%x\n", rc); | |
67d12733 | 7365 | goto out_destroy_fcp_wq; |
da0436e9 JS |
7366 | } |
7367 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7368 | "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n", | |
7369 | phba->sli4_hba.mbx_cq->queue_id, | |
67d12733 | 7370 | phba->sli4_hba.hba_eq[0]->queue_id); |
da0436e9 JS |
7371 | |
7372 | /* Set up slow-path ELS Complete Queue */ | |
7373 | if (!phba->sli4_hba.els_cq) { | |
7374 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7375 | "0530 ELS CQ not allocated\n"); | |
1b51197d | 7376 | rc = -ENOMEM; |
da0436e9 JS |
7377 | goto out_destroy_mbx_cq; |
7378 | } | |
67d12733 JS |
7379 | rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq, |
7380 | phba->sli4_hba.hba_eq[0], LPFC_WCQ, LPFC_ELS); | |
da0436e9 JS |
7381 | if (rc) { |
7382 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7383 | "0531 Failed setup of slow-path ELS CQ: " | |
7384 | "rc = 0x%x\n", rc); | |
7385 | goto out_destroy_mbx_cq; | |
7386 | } | |
7387 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7388 | "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n", | |
7389 | phba->sli4_hba.els_cq->queue_id, | |
67d12733 | 7390 | phba->sli4_hba.hba_eq[0]->queue_id); |
da0436e9 JS |
7391 | |
7392 | /* | |
7393 | * Set up all the Work Queues (WQs) | |
7394 | */ | |
7395 | ||
7396 | /* Set up Mailbox Command Queue */ | |
7397 | if (!phba->sli4_hba.mbx_wq) { | |
7398 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7399 | "0538 Slow-path MQ not allocated\n"); | |
1b51197d | 7400 | rc = -ENOMEM; |
67d12733 | 7401 | goto out_destroy_els_cq; |
da0436e9 JS |
7402 | } |
7403 | rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq, | |
7404 | phba->sli4_hba.mbx_cq, LPFC_MBOX); | |
7405 | if (rc) { | |
7406 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7407 | "0539 Failed setup of slow-path MQ: " | |
7408 | "rc = 0x%x\n", rc); | |
67d12733 | 7409 | goto out_destroy_els_cq; |
da0436e9 JS |
7410 | } |
7411 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7412 | "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n", | |
7413 | phba->sli4_hba.mbx_wq->queue_id, | |
7414 | phba->sli4_hba.mbx_cq->queue_id); | |
7415 | ||
7416 | /* Set up slow-path ELS Work Queue */ | |
7417 | if (!phba->sli4_hba.els_wq) { | |
7418 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7419 | "0536 Slow-path ELS WQ not allocated\n"); | |
1b51197d | 7420 | rc = -ENOMEM; |
da0436e9 JS |
7421 | goto out_destroy_mbx_wq; |
7422 | } | |
7423 | rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq, | |
7424 | phba->sli4_hba.els_cq, LPFC_ELS); | |
7425 | if (rc) { | |
7426 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7427 | "0537 Failed setup of slow-path ELS WQ: " | |
7428 | "rc = 0x%x\n", rc); | |
7429 | goto out_destroy_mbx_wq; | |
7430 | } | |
2a76a283 JS |
7431 | |
7432 | /* Bind this WQ to the ELS ring */ | |
7433 | pring = &psli->ring[LPFC_ELS_RING]; | |
7434 | pring->sli.sli4.wqp = (void *)phba->sli4_hba.els_wq; | |
7435 | phba->sli4_hba.els_cq->pring = pring; | |
7436 | ||
da0436e9 JS |
7437 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
7438 | "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n", | |
7439 | phba->sli4_hba.els_wq->queue_id, | |
7440 | phba->sli4_hba.els_cq->queue_id); | |
7441 | ||
da0436e9 JS |
7442 | /* |
7443 | * Create Receive Queue (RQ) | |
7444 | */ | |
7445 | if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) { | |
7446 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7447 | "0540 Receive Queue not allocated\n"); | |
1b51197d | 7448 | rc = -ENOMEM; |
67d12733 | 7449 | goto out_destroy_els_wq; |
da0436e9 | 7450 | } |
73d91e50 JS |
7451 | |
7452 | lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ); | |
7453 | lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ); | |
7454 | ||
da0436e9 | 7455 | rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq, |
4d9ab994 | 7456 | phba->sli4_hba.els_cq, LPFC_USOL); |
da0436e9 JS |
7457 | if (rc) { |
7458 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7459 | "0541 Failed setup of Receive Queue: " | |
7460 | "rc = 0x%x\n", rc); | |
7461 | goto out_destroy_fcp_wq; | |
7462 | } | |
73d91e50 | 7463 | |
da0436e9 JS |
7464 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
7465 | "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d " | |
7466 | "parent cq-id=%d\n", | |
7467 | phba->sli4_hba.hdr_rq->queue_id, | |
7468 | phba->sli4_hba.dat_rq->queue_id, | |
4d9ab994 | 7469 | phba->sli4_hba.els_cq->queue_id); |
da0436e9 JS |
7470 | return 0; |
7471 | ||
2e90f4b5 | 7472 | out_destroy_els_wq: |
da0436e9 JS |
7473 | lpfc_wq_destroy(phba, phba->sli4_hba.els_wq); |
7474 | out_destroy_mbx_wq: | |
7475 | lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq); | |
2e90f4b5 | 7476 | out_destroy_els_cq: |
da0436e9 JS |
7477 | lpfc_cq_destroy(phba, phba->sli4_hba.els_cq); |
7478 | out_destroy_mbx_cq: | |
7479 | lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq); | |
67d12733 JS |
7480 | out_destroy_fcp_wq: |
7481 | for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--) | |
7482 | lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]); | |
7483 | out_destroy_fcp_cq: | |
7484 | for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--) | |
7485 | lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]); | |
7486 | out_destroy_hba_eq: | |
da0436e9 | 7487 | for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--) |
67d12733 | 7488 | lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_eqidx]); |
da0436e9 JS |
7489 | out_error: |
7490 | return rc; | |
7491 | } | |
7492 | ||
7493 | /** | |
7494 | * lpfc_sli4_queue_unset - Unset all the SLI4 queues | |
7495 | * @phba: pointer to lpfc hba data structure. | |
7496 | * | |
7497 | * This routine is invoked to unset all the SLI4 queues with the FCoE HBA | |
7498 | * operation. | |
7499 | * | |
7500 | * Return codes | |
af901ca1 | 7501 | * 0 - successful |
25985edc | 7502 | * -ENOMEM - No available memory |
d439d286 | 7503 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 JS |
7504 | **/ |
7505 | void | |
7506 | lpfc_sli4_queue_unset(struct lpfc_hba *phba) | |
7507 | { | |
7508 | int fcp_qidx; | |
7509 | ||
7510 | /* Unset mailbox command work queue */ | |
7511 | lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq); | |
7512 | /* Unset ELS work queue */ | |
7513 | lpfc_wq_destroy(phba, phba->sli4_hba.els_wq); | |
7514 | /* Unset unsolicited receive queue */ | |
7515 | lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq); | |
7516 | /* Unset FCP work queue */ | |
67d12733 JS |
7517 | if (phba->sli4_hba.fcp_wq) { |
7518 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel; | |
7519 | fcp_qidx++) | |
7520 | lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]); | |
7521 | } | |
da0436e9 JS |
7522 | /* Unset mailbox command complete queue */ |
7523 | lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq); | |
7524 | /* Unset ELS complete queue */ | |
7525 | lpfc_cq_destroy(phba, phba->sli4_hba.els_cq); | |
da0436e9 | 7526 | /* Unset FCP response complete queue */ |
2e90f4b5 | 7527 | if (phba->sli4_hba.fcp_cq) { |
67d12733 JS |
7528 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel; |
7529 | fcp_qidx++) | |
2e90f4b5 | 7530 | lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]); |
2e90f4b5 | 7531 | } |
da0436e9 | 7532 | /* Unset fast-path event queue */ |
67d12733 JS |
7533 | if (phba->sli4_hba.hba_eq) { |
7534 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel; | |
2e90f4b5 | 7535 | fcp_qidx++) |
67d12733 | 7536 | lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_qidx]); |
2e90f4b5 | 7537 | } |
da0436e9 JS |
7538 | } |
7539 | ||
7540 | /** | |
7541 | * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool | |
7542 | * @phba: pointer to lpfc hba data structure. | |
7543 | * | |
7544 | * This routine is invoked to allocate and set up a pool of completion queue | |
7545 | * events. The body of the completion queue event is a completion queue entry | |
7546 | * CQE. For now, this pool is used for the interrupt service routine to queue | |
7547 | * the following HBA completion queue events for the worker thread to process: | |
7548 | * - Mailbox asynchronous events | |
7549 | * - Receive queue completion unsolicited events | |
7550 | * Later, this can be used for all the slow-path events. | |
7551 | * | |
7552 | * Return codes | |
af901ca1 | 7553 | * 0 - successful |
25985edc | 7554 | * -ENOMEM - No available memory |
da0436e9 JS |
7555 | **/ |
7556 | static int | |
7557 | lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba) | |
7558 | { | |
7559 | struct lpfc_cq_event *cq_event; | |
7560 | int i; | |
7561 | ||
7562 | for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) { | |
7563 | cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL); | |
7564 | if (!cq_event) | |
7565 | goto out_pool_create_fail; | |
7566 | list_add_tail(&cq_event->list, | |
7567 | &phba->sli4_hba.sp_cqe_event_pool); | |
7568 | } | |
7569 | return 0; | |
7570 | ||
7571 | out_pool_create_fail: | |
7572 | lpfc_sli4_cq_event_pool_destroy(phba); | |
7573 | return -ENOMEM; | |
7574 | } | |
7575 | ||
7576 | /** | |
7577 | * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool | |
7578 | * @phba: pointer to lpfc hba data structure. | |
7579 | * | |
7580 | * This routine is invoked to free the pool of completion queue events at | |
7581 | * driver unload time. Note that, it is the responsibility of the driver | |
7582 | * cleanup routine to free all the outstanding completion-queue events | |
7583 | * allocated from this pool back into the pool before invoking this routine | |
7584 | * to destroy the pool. | |
7585 | **/ | |
7586 | static void | |
7587 | lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba) | |
7588 | { | |
7589 | struct lpfc_cq_event *cq_event, *next_cq_event; | |
7590 | ||
7591 | list_for_each_entry_safe(cq_event, next_cq_event, | |
7592 | &phba->sli4_hba.sp_cqe_event_pool, list) { | |
7593 | list_del(&cq_event->list); | |
7594 | kfree(cq_event); | |
7595 | } | |
7596 | } | |
7597 | ||
7598 | /** | |
7599 | * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool | |
7600 | * @phba: pointer to lpfc hba data structure. | |
7601 | * | |
7602 | * This routine is the lock free version of the API invoked to allocate a | |
7603 | * completion-queue event from the free pool. | |
7604 | * | |
7605 | * Return: Pointer to the newly allocated completion-queue event if successful | |
7606 | * NULL otherwise. | |
7607 | **/ | |
7608 | struct lpfc_cq_event * | |
7609 | __lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba) | |
7610 | { | |
7611 | struct lpfc_cq_event *cq_event = NULL; | |
7612 | ||
7613 | list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event, | |
7614 | struct lpfc_cq_event, list); | |
7615 | return cq_event; | |
7616 | } | |
7617 | ||
7618 | /** | |
7619 | * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool | |
7620 | * @phba: pointer to lpfc hba data structure. | |
7621 | * | |
7622 | * This routine is the lock version of the API invoked to allocate a | |
7623 | * completion-queue event from the free pool. | |
7624 | * | |
7625 | * Return: Pointer to the newly allocated completion-queue event if successful | |
7626 | * NULL otherwise. | |
7627 | **/ | |
7628 | struct lpfc_cq_event * | |
7629 | lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba) | |
7630 | { | |
7631 | struct lpfc_cq_event *cq_event; | |
7632 | unsigned long iflags; | |
7633 | ||
7634 | spin_lock_irqsave(&phba->hbalock, iflags); | |
7635 | cq_event = __lpfc_sli4_cq_event_alloc(phba); | |
7636 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
7637 | return cq_event; | |
7638 | } | |
7639 | ||
7640 | /** | |
7641 | * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool | |
7642 | * @phba: pointer to lpfc hba data structure. | |
7643 | * @cq_event: pointer to the completion queue event to be freed. | |
7644 | * | |
7645 | * This routine is the lock free version of the API invoked to release a | |
7646 | * completion-queue event back into the free pool. | |
7647 | **/ | |
7648 | void | |
7649 | __lpfc_sli4_cq_event_release(struct lpfc_hba *phba, | |
7650 | struct lpfc_cq_event *cq_event) | |
7651 | { | |
7652 | list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool); | |
7653 | } | |
7654 | ||
7655 | /** | |
7656 | * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool | |
7657 | * @phba: pointer to lpfc hba data structure. | |
7658 | * @cq_event: pointer to the completion queue event to be freed. | |
7659 | * | |
7660 | * This routine is the lock version of the API invoked to release a | |
7661 | * completion-queue event back into the free pool. | |
7662 | **/ | |
7663 | void | |
7664 | lpfc_sli4_cq_event_release(struct lpfc_hba *phba, | |
7665 | struct lpfc_cq_event *cq_event) | |
7666 | { | |
7667 | unsigned long iflags; | |
7668 | spin_lock_irqsave(&phba->hbalock, iflags); | |
7669 | __lpfc_sli4_cq_event_release(phba, cq_event); | |
7670 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
7671 | } | |
7672 | ||
7673 | /** | |
7674 | * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool | |
7675 | * @phba: pointer to lpfc hba data structure. | |
7676 | * | |
7677 | * This routine is to free all the pending completion-queue events to the | |
7678 | * back into the free pool for device reset. | |
7679 | **/ | |
7680 | static void | |
7681 | lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba) | |
7682 | { | |
7683 | LIST_HEAD(cqelist); | |
7684 | struct lpfc_cq_event *cqe; | |
7685 | unsigned long iflags; | |
7686 | ||
7687 | /* Retrieve all the pending WCQEs from pending WCQE lists */ | |
7688 | spin_lock_irqsave(&phba->hbalock, iflags); | |
7689 | /* Pending FCP XRI abort events */ | |
7690 | list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue, | |
7691 | &cqelist); | |
7692 | /* Pending ELS XRI abort events */ | |
7693 | list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue, | |
7694 | &cqelist); | |
7695 | /* Pending asynnc events */ | |
7696 | list_splice_init(&phba->sli4_hba.sp_asynce_work_queue, | |
7697 | &cqelist); | |
7698 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
7699 | ||
7700 | while (!list_empty(&cqelist)) { | |
7701 | list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list); | |
7702 | lpfc_sli4_cq_event_release(phba, cqe); | |
7703 | } | |
7704 | } | |
7705 | ||
7706 | /** | |
7707 | * lpfc_pci_function_reset - Reset pci function. | |
7708 | * @phba: pointer to lpfc hba data structure. | |
7709 | * | |
7710 | * This routine is invoked to request a PCI function reset. It will destroys | |
7711 | * all resources assigned to the PCI function which originates this request. | |
7712 | * | |
7713 | * Return codes | |
af901ca1 | 7714 | * 0 - successful |
25985edc | 7715 | * -ENOMEM - No available memory |
d439d286 | 7716 | * -EIO - The mailbox failed to complete successfully. |
da0436e9 JS |
7717 | **/ |
7718 | int | |
7719 | lpfc_pci_function_reset(struct lpfc_hba *phba) | |
7720 | { | |
7721 | LPFC_MBOXQ_t *mboxq; | |
2fcee4bf | 7722 | uint32_t rc = 0, if_type; |
da0436e9 | 7723 | uint32_t shdr_status, shdr_add_status; |
2fcee4bf | 7724 | uint32_t rdy_chk, num_resets = 0, reset_again = 0; |
da0436e9 | 7725 | union lpfc_sli4_cfg_shdr *shdr; |
2fcee4bf | 7726 | struct lpfc_register reg_data; |
2b81f942 | 7727 | uint16_t devid; |
da0436e9 | 7728 | |
2fcee4bf JS |
7729 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
7730 | switch (if_type) { | |
7731 | case LPFC_SLI_INTF_IF_TYPE_0: | |
7732 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, | |
7733 | GFP_KERNEL); | |
7734 | if (!mboxq) { | |
7735 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7736 | "0494 Unable to allocate memory for " | |
7737 | "issuing SLI_FUNCTION_RESET mailbox " | |
7738 | "command\n"); | |
7739 | return -ENOMEM; | |
7740 | } | |
da0436e9 | 7741 | |
2fcee4bf JS |
7742 | /* Setup PCI function reset mailbox-ioctl command */ |
7743 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
7744 | LPFC_MBOX_OPCODE_FUNCTION_RESET, 0, | |
7745 | LPFC_SLI4_MBX_EMBED); | |
7746 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7747 | shdr = (union lpfc_sli4_cfg_shdr *) | |
7748 | &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; | |
7749 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
7750 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
7751 | &shdr->response); | |
7752 | if (rc != MBX_TIMEOUT) | |
7753 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7754 | if (shdr_status || shdr_add_status || rc) { | |
7755 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7756 | "0495 SLI_FUNCTION_RESET mailbox " | |
7757 | "failed with status x%x add_status x%x," | |
7758 | " mbx status x%x\n", | |
7759 | shdr_status, shdr_add_status, rc); | |
7760 | rc = -ENXIO; | |
7761 | } | |
7762 | break; | |
7763 | case LPFC_SLI_INTF_IF_TYPE_2: | |
7764 | for (num_resets = 0; | |
7765 | num_resets < MAX_IF_TYPE_2_RESETS; | |
7766 | num_resets++) { | |
7767 | reg_data.word0 = 0; | |
7768 | bf_set(lpfc_sliport_ctrl_end, ®_data, | |
7769 | LPFC_SLIPORT_LITTLE_ENDIAN); | |
7770 | bf_set(lpfc_sliport_ctrl_ip, ®_data, | |
7771 | LPFC_SLIPORT_INIT_PORT); | |
7772 | writel(reg_data.word0, phba->sli4_hba.u.if_type2. | |
7773 | CTRLregaddr); | |
8fcb8acd | 7774 | /* flush */ |
2b81f942 JS |
7775 | pci_read_config_word(phba->pcidev, |
7776 | PCI_DEVICE_ID, &devid); | |
2fcee4bf JS |
7777 | /* |
7778 | * Poll the Port Status Register and wait for RDY for | |
7779 | * up to 10 seconds. If the port doesn't respond, treat | |
7780 | * it as an error. If the port responds with RN, start | |
7781 | * the loop again. | |
7782 | */ | |
7783 | for (rdy_chk = 0; rdy_chk < 1000; rdy_chk++) { | |
73d91e50 | 7784 | msleep(10); |
9940b97b JS |
7785 | if (lpfc_readl(phba->sli4_hba.u.if_type2. |
7786 | STATUSregaddr, ®_data.word0)) { | |
7787 | rc = -ENODEV; | |
73d91e50 | 7788 | goto out; |
9940b97b | 7789 | } |
6b5151fd | 7790 | if (bf_get(lpfc_sliport_status_rn, ®_data)) |
2fcee4bf | 7791 | reset_again++; |
6b5151fd | 7792 | if (bf_get(lpfc_sliport_status_rdy, ®_data)) |
2fcee4bf | 7793 | break; |
2fcee4bf JS |
7794 | } |
7795 | ||
7796 | /* | |
7797 | * If the port responds to the init request with | |
7798 | * reset needed, delay for a bit and restart the loop. | |
7799 | */ | |
6b5151fd | 7800 | if (reset_again && (rdy_chk < 1000)) { |
2fcee4bf JS |
7801 | msleep(10); |
7802 | reset_again = 0; | |
7803 | continue; | |
7804 | } | |
7805 | ||
7806 | /* Detect any port errors. */ | |
2fcee4bf JS |
7807 | if ((bf_get(lpfc_sliport_status_err, ®_data)) || |
7808 | (rdy_chk >= 1000)) { | |
7809 | phba->work_status[0] = readl( | |
7810 | phba->sli4_hba.u.if_type2.ERR1regaddr); | |
7811 | phba->work_status[1] = readl( | |
7812 | phba->sli4_hba.u.if_type2.ERR2regaddr); | |
7813 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8fcb8acd | 7814 | "2890 Port error detected during port " |
8a9d2e80 JS |
7815 | "reset(%d): wait_tmo:%d ms, " |
7816 | "port status reg 0x%x, " | |
2fcee4bf | 7817 | "error 1=0x%x, error 2=0x%x\n", |
8a9d2e80 JS |
7818 | num_resets, rdy_chk*10, |
7819 | reg_data.word0, | |
2fcee4bf JS |
7820 | phba->work_status[0], |
7821 | phba->work_status[1]); | |
7822 | rc = -ENODEV; | |
7823 | } | |
7824 | ||
7825 | /* | |
7826 | * Terminate the outer loop provided the Port indicated | |
7827 | * ready within 10 seconds. | |
7828 | */ | |
7829 | if (rdy_chk < 1000) | |
7830 | break; | |
7831 | } | |
0558056c JS |
7832 | /* delay driver action following IF_TYPE_2 function reset */ |
7833 | msleep(100); | |
2fcee4bf JS |
7834 | break; |
7835 | case LPFC_SLI_INTF_IF_TYPE_1: | |
7836 | default: | |
7837 | break; | |
da0436e9 | 7838 | } |
2fcee4bf | 7839 | |
73d91e50 | 7840 | out: |
2fcee4bf | 7841 | /* Catch the not-ready port failure after a port reset. */ |
229adb0e JS |
7842 | if (num_resets >= MAX_IF_TYPE_2_RESETS) { |
7843 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7844 | "3317 HBA not functional: IP Reset Failed " | |
7845 | "after (%d) retries, try: " | |
7846 | "echo fw_reset > board_mode\n", num_resets); | |
2fcee4bf | 7847 | rc = -ENODEV; |
229adb0e | 7848 | } |
2fcee4bf | 7849 | |
da0436e9 JS |
7850 | return rc; |
7851 | } | |
7852 | ||
da0436e9 JS |
7853 | /** |
7854 | * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space. | |
7855 | * @phba: pointer to lpfc hba data structure. | |
7856 | * | |
7857 | * This routine is invoked to set up the PCI device memory space for device | |
7858 | * with SLI-4 interface spec. | |
7859 | * | |
7860 | * Return codes | |
af901ca1 | 7861 | * 0 - successful |
da0436e9 JS |
7862 | * other values - error |
7863 | **/ | |
7864 | static int | |
7865 | lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) | |
7866 | { | |
7867 | struct pci_dev *pdev; | |
7868 | unsigned long bar0map_len, bar1map_len, bar2map_len; | |
7869 | int error = -ENODEV; | |
2fcee4bf | 7870 | uint32_t if_type; |
da0436e9 JS |
7871 | |
7872 | /* Obtain PCI device reference */ | |
7873 | if (!phba->pcidev) | |
7874 | return error; | |
7875 | else | |
7876 | pdev = phba->pcidev; | |
7877 | ||
7878 | /* Set the device DMA mask size */ | |
8e68597d MR |
7879 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 |
7880 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { | |
7881 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 | |
7882 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { | |
da0436e9 | 7883 | return error; |
8e68597d MR |
7884 | } |
7885 | } | |
da0436e9 | 7886 | |
2fcee4bf JS |
7887 | /* |
7888 | * The BARs and register set definitions and offset locations are | |
7889 | * dependent on the if_type. | |
7890 | */ | |
7891 | if (pci_read_config_dword(pdev, LPFC_SLI_INTF, | |
7892 | &phba->sli4_hba.sli_intf.word0)) { | |
7893 | return error; | |
7894 | } | |
7895 | ||
7896 | /* There is no SLI3 failback for SLI4 devices. */ | |
7897 | if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) != | |
7898 | LPFC_SLI_INTF_VALID) { | |
7899 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7900 | "2894 SLI_INTF reg contents invalid " | |
7901 | "sli_intf reg 0x%x\n", | |
7902 | phba->sli4_hba.sli_intf.word0); | |
7903 | return error; | |
7904 | } | |
7905 | ||
7906 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
7907 | /* | |
7908 | * Get the bus address of SLI4 device Bar regions and the | |
7909 | * number of bytes required by each mapping. The mapping of the | |
7910 | * particular PCI BARs regions is dependent on the type of | |
7911 | * SLI4 device. | |
da0436e9 | 7912 | */ |
1dfb5a47 JS |
7913 | if (pci_resource_start(pdev, 0)) { |
7914 | phba->pci_bar0_map = pci_resource_start(pdev, 0); | |
7915 | bar0map_len = pci_resource_len(pdev, 0); | |
2fcee4bf JS |
7916 | |
7917 | /* | |
7918 | * Map SLI4 PCI Config Space Register base to a kernel virtual | |
7919 | * addr | |
7920 | */ | |
7921 | phba->sli4_hba.conf_regs_memmap_p = | |
7922 | ioremap(phba->pci_bar0_map, bar0map_len); | |
7923 | if (!phba->sli4_hba.conf_regs_memmap_p) { | |
7924 | dev_printk(KERN_ERR, &pdev->dev, | |
7925 | "ioremap failed for SLI4 PCI config " | |
7926 | "registers.\n"); | |
7927 | goto out; | |
7928 | } | |
7929 | /* Set up BAR0 PCI config space register memory map */ | |
7930 | lpfc_sli4_bar0_register_memmap(phba, if_type); | |
1dfb5a47 JS |
7931 | } else { |
7932 | phba->pci_bar0_map = pci_resource_start(pdev, 1); | |
7933 | bar0map_len = pci_resource_len(pdev, 1); | |
2fcee4bf JS |
7934 | if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { |
7935 | dev_printk(KERN_ERR, &pdev->dev, | |
7936 | "FATAL - No BAR0 mapping for SLI4, if_type 2\n"); | |
7937 | goto out; | |
7938 | } | |
7939 | phba->sli4_hba.conf_regs_memmap_p = | |
da0436e9 | 7940 | ioremap(phba->pci_bar0_map, bar0map_len); |
2fcee4bf JS |
7941 | if (!phba->sli4_hba.conf_regs_memmap_p) { |
7942 | dev_printk(KERN_ERR, &pdev->dev, | |
7943 | "ioremap failed for SLI4 PCI config " | |
7944 | "registers.\n"); | |
7945 | goto out; | |
7946 | } | |
7947 | lpfc_sli4_bar0_register_memmap(phba, if_type); | |
da0436e9 JS |
7948 | } |
7949 | ||
c31098ce JS |
7950 | if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) && |
7951 | (pci_resource_start(pdev, 2))) { | |
2fcee4bf JS |
7952 | /* |
7953 | * Map SLI4 if type 0 HBA Control Register base to a kernel | |
7954 | * virtual address and setup the registers. | |
7955 | */ | |
7956 | phba->pci_bar1_map = pci_resource_start(pdev, 2); | |
7957 | bar1map_len = pci_resource_len(pdev, 2); | |
7958 | phba->sli4_hba.ctrl_regs_memmap_p = | |
da0436e9 | 7959 | ioremap(phba->pci_bar1_map, bar1map_len); |
2fcee4bf JS |
7960 | if (!phba->sli4_hba.ctrl_regs_memmap_p) { |
7961 | dev_printk(KERN_ERR, &pdev->dev, | |
da0436e9 | 7962 | "ioremap failed for SLI4 HBA control registers.\n"); |
2fcee4bf JS |
7963 | goto out_iounmap_conf; |
7964 | } | |
7965 | lpfc_sli4_bar1_register_memmap(phba); | |
da0436e9 JS |
7966 | } |
7967 | ||
c31098ce JS |
7968 | if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) && |
7969 | (pci_resource_start(pdev, 4))) { | |
2fcee4bf JS |
7970 | /* |
7971 | * Map SLI4 if type 0 HBA Doorbell Register base to a kernel | |
7972 | * virtual address and setup the registers. | |
7973 | */ | |
7974 | phba->pci_bar2_map = pci_resource_start(pdev, 4); | |
7975 | bar2map_len = pci_resource_len(pdev, 4); | |
7976 | phba->sli4_hba.drbl_regs_memmap_p = | |
da0436e9 | 7977 | ioremap(phba->pci_bar2_map, bar2map_len); |
2fcee4bf JS |
7978 | if (!phba->sli4_hba.drbl_regs_memmap_p) { |
7979 | dev_printk(KERN_ERR, &pdev->dev, | |
da0436e9 | 7980 | "ioremap failed for SLI4 HBA doorbell registers.\n"); |
2fcee4bf JS |
7981 | goto out_iounmap_ctrl; |
7982 | } | |
7983 | error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0); | |
7984 | if (error) | |
7985 | goto out_iounmap_all; | |
da0436e9 JS |
7986 | } |
7987 | ||
da0436e9 JS |
7988 | return 0; |
7989 | ||
7990 | out_iounmap_all: | |
7991 | iounmap(phba->sli4_hba.drbl_regs_memmap_p); | |
7992 | out_iounmap_ctrl: | |
7993 | iounmap(phba->sli4_hba.ctrl_regs_memmap_p); | |
7994 | out_iounmap_conf: | |
7995 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
7996 | out: | |
7997 | return error; | |
7998 | } | |
7999 | ||
8000 | /** | |
8001 | * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space. | |
8002 | * @phba: pointer to lpfc hba data structure. | |
8003 | * | |
8004 | * This routine is invoked to unset the PCI device memory space for device | |
8005 | * with SLI-4 interface spec. | |
8006 | **/ | |
8007 | static void | |
8008 | lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba) | |
8009 | { | |
2e90f4b5 JS |
8010 | uint32_t if_type; |
8011 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
da0436e9 | 8012 | |
2e90f4b5 JS |
8013 | switch (if_type) { |
8014 | case LPFC_SLI_INTF_IF_TYPE_0: | |
8015 | iounmap(phba->sli4_hba.drbl_regs_memmap_p); | |
8016 | iounmap(phba->sli4_hba.ctrl_regs_memmap_p); | |
8017 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
8018 | break; | |
8019 | case LPFC_SLI_INTF_IF_TYPE_2: | |
8020 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
8021 | break; | |
8022 | case LPFC_SLI_INTF_IF_TYPE_1: | |
8023 | default: | |
8024 | dev_printk(KERN_ERR, &phba->pcidev->dev, | |
8025 | "FATAL - unsupported SLI4 interface type - %d\n", | |
8026 | if_type); | |
8027 | break; | |
8028 | } | |
da0436e9 JS |
8029 | } |
8030 | ||
8031 | /** | |
8032 | * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device | |
8033 | * @phba: pointer to lpfc hba data structure. | |
8034 | * | |
8035 | * This routine is invoked to enable the MSI-X interrupt vectors to device | |
8036 | * with SLI-3 interface specs. The kernel function pci_enable_msix() is | |
8037 | * called to enable the MSI-X vectors. Note that pci_enable_msix(), once | |
8038 | * invoked, enables either all or nothing, depending on the current | |
8039 | * availability of PCI vector resources. The device driver is responsible | |
8040 | * for calling the individual request_irq() to register each MSI-X vector | |
8041 | * with a interrupt handler, which is done in this function. Note that | |
8042 | * later when device is unloading, the driver should always call free_irq() | |
8043 | * on all MSI-X vectors it has done request_irq() on before calling | |
8044 | * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device | |
8045 | * will be left with MSI-X enabled and leaks its vectors. | |
8046 | * | |
8047 | * Return codes | |
af901ca1 | 8048 | * 0 - successful |
da0436e9 JS |
8049 | * other values - error |
8050 | **/ | |
8051 | static int | |
8052 | lpfc_sli_enable_msix(struct lpfc_hba *phba) | |
8053 | { | |
8054 | int rc, i; | |
8055 | LPFC_MBOXQ_t *pmb; | |
8056 | ||
8057 | /* Set up MSI-X multi-message vectors */ | |
8058 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
8059 | phba->msix_entries[i].entry = i; | |
8060 | ||
8061 | /* Configure MSI-X capability structure */ | |
8062 | rc = pci_enable_msix(phba->pcidev, phba->msix_entries, | |
8063 | ARRAY_SIZE(phba->msix_entries)); | |
8064 | if (rc) { | |
8065 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8066 | "0420 PCI enable MSI-X failed (%d)\n", rc); | |
8067 | goto msi_fail_out; | |
8068 | } | |
8069 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
8070 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8071 | "0477 MSI-X entry[%d]: vector=x%x " | |
8072 | "message=%d\n", i, | |
8073 | phba->msix_entries[i].vector, | |
8074 | phba->msix_entries[i].entry); | |
8075 | /* | |
8076 | * Assign MSI-X vectors to interrupt handlers | |
8077 | */ | |
8078 | ||
8079 | /* vector-0 is associated to slow-path handler */ | |
8080 | rc = request_irq(phba->msix_entries[0].vector, | |
8081 | &lpfc_sli_sp_intr_handler, IRQF_SHARED, | |
8082 | LPFC_SP_DRIVER_HANDLER_NAME, phba); | |
8083 | if (rc) { | |
8084 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
8085 | "0421 MSI-X slow-path request_irq failed " | |
8086 | "(%d)\n", rc); | |
8087 | goto msi_fail_out; | |
8088 | } | |
8089 | ||
8090 | /* vector-1 is associated to fast-path handler */ | |
8091 | rc = request_irq(phba->msix_entries[1].vector, | |
8092 | &lpfc_sli_fp_intr_handler, IRQF_SHARED, | |
8093 | LPFC_FP_DRIVER_HANDLER_NAME, phba); | |
8094 | ||
8095 | if (rc) { | |
8096 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
8097 | "0429 MSI-X fast-path request_irq failed " | |
8098 | "(%d)\n", rc); | |
8099 | goto irq_fail_out; | |
8100 | } | |
8101 | ||
8102 | /* | |
8103 | * Configure HBA MSI-X attention conditions to messages | |
8104 | */ | |
8105 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
8106 | ||
8107 | if (!pmb) { | |
8108 | rc = -ENOMEM; | |
8109 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8110 | "0474 Unable to allocate memory for issuing " | |
8111 | "MBOX_CONFIG_MSI command\n"); | |
8112 | goto mem_fail_out; | |
8113 | } | |
8114 | rc = lpfc_config_msi(phba, pmb); | |
8115 | if (rc) | |
8116 | goto mbx_fail_out; | |
8117 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
8118 | if (rc != MBX_SUCCESS) { | |
8119 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, | |
8120 | "0351 Config MSI mailbox command failed, " | |
8121 | "mbxCmd x%x, mbxStatus x%x\n", | |
8122 | pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus); | |
8123 | goto mbx_fail_out; | |
8124 | } | |
8125 | ||
8126 | /* Free memory allocated for mailbox command */ | |
8127 | mempool_free(pmb, phba->mbox_mem_pool); | |
8128 | return rc; | |
8129 | ||
8130 | mbx_fail_out: | |
8131 | /* Free memory allocated for mailbox command */ | |
8132 | mempool_free(pmb, phba->mbox_mem_pool); | |
8133 | ||
8134 | mem_fail_out: | |
8135 | /* free the irq already requested */ | |
8136 | free_irq(phba->msix_entries[1].vector, phba); | |
8137 | ||
8138 | irq_fail_out: | |
8139 | /* free the irq already requested */ | |
8140 | free_irq(phba->msix_entries[0].vector, phba); | |
8141 | ||
8142 | msi_fail_out: | |
8143 | /* Unconfigure MSI-X capability structure */ | |
8144 | pci_disable_msix(phba->pcidev); | |
8145 | return rc; | |
8146 | } | |
8147 | ||
8148 | /** | |
8149 | * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device. | |
8150 | * @phba: pointer to lpfc hba data structure. | |
8151 | * | |
8152 | * This routine is invoked to release the MSI-X vectors and then disable the | |
8153 | * MSI-X interrupt mode to device with SLI-3 interface spec. | |
8154 | **/ | |
8155 | static void | |
8156 | lpfc_sli_disable_msix(struct lpfc_hba *phba) | |
8157 | { | |
8158 | int i; | |
8159 | ||
8160 | /* Free up MSI-X multi-message vectors */ | |
8161 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
8162 | free_irq(phba->msix_entries[i].vector, phba); | |
8163 | /* Disable MSI-X */ | |
8164 | pci_disable_msix(phba->pcidev); | |
8165 | ||
8166 | return; | |
8167 | } | |
8168 | ||
8169 | /** | |
8170 | * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device. | |
8171 | * @phba: pointer to lpfc hba data structure. | |
8172 | * | |
8173 | * This routine is invoked to enable the MSI interrupt mode to device with | |
8174 | * SLI-3 interface spec. The kernel function pci_enable_msi() is called to | |
8175 | * enable the MSI vector. The device driver is responsible for calling the | |
8176 | * request_irq() to register MSI vector with a interrupt the handler, which | |
8177 | * is done in this function. | |
8178 | * | |
8179 | * Return codes | |
af901ca1 | 8180 | * 0 - successful |
da0436e9 JS |
8181 | * other values - error |
8182 | */ | |
8183 | static int | |
8184 | lpfc_sli_enable_msi(struct lpfc_hba *phba) | |
8185 | { | |
8186 | int rc; | |
8187 | ||
8188 | rc = pci_enable_msi(phba->pcidev); | |
8189 | if (!rc) | |
8190 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8191 | "0462 PCI enable MSI mode success.\n"); | |
8192 | else { | |
8193 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8194 | "0471 PCI enable MSI mode failed (%d)\n", rc); | |
8195 | return rc; | |
8196 | } | |
8197 | ||
8198 | rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, | |
8199 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
8200 | if (rc) { | |
8201 | pci_disable_msi(phba->pcidev); | |
8202 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
8203 | "0478 MSI request_irq failed (%d)\n", rc); | |
8204 | } | |
8205 | return rc; | |
8206 | } | |
8207 | ||
8208 | /** | |
8209 | * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device. | |
8210 | * @phba: pointer to lpfc hba data structure. | |
8211 | * | |
8212 | * This routine is invoked to disable the MSI interrupt mode to device with | |
8213 | * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has | |
8214 | * done request_irq() on before calling pci_disable_msi(). Failure to do so | |
8215 | * results in a BUG_ON() and a device will be left with MSI enabled and leaks | |
8216 | * its vector. | |
8217 | */ | |
8218 | static void | |
8219 | lpfc_sli_disable_msi(struct lpfc_hba *phba) | |
8220 | { | |
8221 | free_irq(phba->pcidev->irq, phba); | |
8222 | pci_disable_msi(phba->pcidev); | |
8223 | return; | |
8224 | } | |
8225 | ||
8226 | /** | |
8227 | * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device. | |
8228 | * @phba: pointer to lpfc hba data structure. | |
8229 | * | |
8230 | * This routine is invoked to enable device interrupt and associate driver's | |
8231 | * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface | |
8232 | * spec. Depends on the interrupt mode configured to the driver, the driver | |
8233 | * will try to fallback from the configured interrupt mode to an interrupt | |
8234 | * mode which is supported by the platform, kernel, and device in the order | |
8235 | * of: | |
8236 | * MSI-X -> MSI -> IRQ. | |
8237 | * | |
8238 | * Return codes | |
af901ca1 | 8239 | * 0 - successful |
da0436e9 JS |
8240 | * other values - error |
8241 | **/ | |
8242 | static uint32_t | |
8243 | lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
8244 | { | |
8245 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
8246 | int retval; | |
8247 | ||
8248 | if (cfg_mode == 2) { | |
8249 | /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */ | |
8250 | retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3); | |
8251 | if (!retval) { | |
8252 | /* Now, try to enable MSI-X interrupt mode */ | |
8253 | retval = lpfc_sli_enable_msix(phba); | |
8254 | if (!retval) { | |
8255 | /* Indicate initialization to MSI-X mode */ | |
8256 | phba->intr_type = MSIX; | |
8257 | intr_mode = 2; | |
8258 | } | |
8259 | } | |
8260 | } | |
8261 | ||
8262 | /* Fallback to MSI if MSI-X initialization failed */ | |
8263 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
8264 | retval = lpfc_sli_enable_msi(phba); | |
8265 | if (!retval) { | |
8266 | /* Indicate initialization to MSI mode */ | |
8267 | phba->intr_type = MSI; | |
8268 | intr_mode = 1; | |
8269 | } | |
8270 | } | |
8271 | ||
8272 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
8273 | if (phba->intr_type == NONE) { | |
8274 | retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, | |
8275 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
8276 | if (!retval) { | |
8277 | /* Indicate initialization to INTx mode */ | |
8278 | phba->intr_type = INTx; | |
8279 | intr_mode = 0; | |
8280 | } | |
8281 | } | |
8282 | return intr_mode; | |
8283 | } | |
8284 | ||
8285 | /** | |
8286 | * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device. | |
8287 | * @phba: pointer to lpfc hba data structure. | |
8288 | * | |
8289 | * This routine is invoked to disable device interrupt and disassociate the | |
8290 | * driver's interrupt handler(s) from interrupt vector(s) to device with | |
8291 | * SLI-3 interface spec. Depending on the interrupt mode, the driver will | |
8292 | * release the interrupt vector(s) for the message signaled interrupt. | |
8293 | **/ | |
8294 | static void | |
8295 | lpfc_sli_disable_intr(struct lpfc_hba *phba) | |
8296 | { | |
8297 | /* Disable the currently initialized interrupt mode */ | |
8298 | if (phba->intr_type == MSIX) | |
8299 | lpfc_sli_disable_msix(phba); | |
8300 | else if (phba->intr_type == MSI) | |
8301 | lpfc_sli_disable_msi(phba); | |
8302 | else if (phba->intr_type == INTx) | |
8303 | free_irq(phba->pcidev->irq, phba); | |
8304 | ||
8305 | /* Reset interrupt management states */ | |
8306 | phba->intr_type = NONE; | |
8307 | phba->sli.slistat.sli_intr = 0; | |
8308 | ||
8309 | return; | |
8310 | } | |
8311 | ||
8312 | /** | |
8313 | * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device | |
8314 | * @phba: pointer to lpfc hba data structure. | |
8315 | * | |
8316 | * This routine is invoked to enable the MSI-X interrupt vectors to device | |
8317 | * with SLI-4 interface spec. The kernel function pci_enable_msix() is called | |
8318 | * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked, | |
8319 | * enables either all or nothing, depending on the current availability of | |
8320 | * PCI vector resources. The device driver is responsible for calling the | |
8321 | * individual request_irq() to register each MSI-X vector with a interrupt | |
8322 | * handler, which is done in this function. Note that later when device is | |
8323 | * unloading, the driver should always call free_irq() on all MSI-X vectors | |
8324 | * it has done request_irq() on before calling pci_disable_msix(). Failure | |
8325 | * to do so results in a BUG_ON() and a device will be left with MSI-X | |
8326 | * enabled and leaks its vectors. | |
8327 | * | |
8328 | * Return codes | |
af901ca1 | 8329 | * 0 - successful |
da0436e9 JS |
8330 | * other values - error |
8331 | **/ | |
8332 | static int | |
8333 | lpfc_sli4_enable_msix(struct lpfc_hba *phba) | |
8334 | { | |
75baf696 | 8335 | int vectors, rc, index; |
da0436e9 JS |
8336 | |
8337 | /* Set up MSI-X multi-message vectors */ | |
82c3e9ba | 8338 | for (index = 0; index < phba->cfg_fcp_io_channel; index++) |
da0436e9 JS |
8339 | phba->sli4_hba.msix_entries[index].entry = index; |
8340 | ||
8341 | /* Configure MSI-X capability structure */ | |
82c3e9ba | 8342 | vectors = phba->cfg_fcp_io_channel; |
75baf696 | 8343 | enable_msix_vectors: |
da0436e9 | 8344 | rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries, |
75baf696 JS |
8345 | vectors); |
8346 | if (rc > 1) { | |
8347 | vectors = rc; | |
8348 | goto enable_msix_vectors; | |
8349 | } else if (rc) { | |
da0436e9 JS |
8350 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
8351 | "0484 PCI enable MSI-X failed (%d)\n", rc); | |
8352 | goto msi_fail_out; | |
8353 | } | |
75baf696 | 8354 | |
da0436e9 | 8355 | /* Log MSI-X vector assignment */ |
75baf696 | 8356 | for (index = 0; index < vectors; index++) |
da0436e9 JS |
8357 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
8358 | "0489 MSI-X entry[%d]: vector=x%x " | |
8359 | "message=%d\n", index, | |
8360 | phba->sli4_hba.msix_entries[index].vector, | |
8361 | phba->sli4_hba.msix_entries[index].entry); | |
67d12733 | 8362 | |
da0436e9 JS |
8363 | /* |
8364 | * Assign MSI-X vectors to interrupt handlers | |
8365 | */ | |
67d12733 | 8366 | for (index = 0; index < vectors; index++) { |
4305f183 JS |
8367 | memset(&phba->sli4_hba.handler_name[index], 0, 16); |
8368 | sprintf((char *)&phba->sli4_hba.handler_name[index], | |
8369 | LPFC_DRIVER_HANDLER_NAME"%d", index); | |
da0436e9 | 8370 | |
67d12733 JS |
8371 | phba->sli4_hba.fcp_eq_hdl[index].idx = index; |
8372 | phba->sli4_hba.fcp_eq_hdl[index].phba = phba; | |
ba20c853 | 8373 | atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].fcp_eq_in_use, 1); |
da0436e9 | 8374 | rc = request_irq(phba->sli4_hba.msix_entries[index].vector, |
67d12733 | 8375 | &lpfc_sli4_hba_intr_handler, IRQF_SHARED, |
4305f183 | 8376 | (char *)&phba->sli4_hba.handler_name[index], |
67d12733 | 8377 | &phba->sli4_hba.fcp_eq_hdl[index]); |
da0436e9 JS |
8378 | if (rc) { |
8379 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
8380 | "0486 MSI-X fast-path (%d) " | |
8381 | "request_irq failed (%d)\n", index, rc); | |
8382 | goto cfg_fail_out; | |
8383 | } | |
8384 | } | |
8385 | ||
82c3e9ba JS |
8386 | if (vectors != phba->cfg_fcp_io_channel) { |
8387 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8388 | "3238 Reducing IO channels to match number of " | |
8389 | "MSI-X vectors, requested %d got %d\n", | |
8390 | phba->cfg_fcp_io_channel, vectors); | |
8391 | phba->cfg_fcp_io_channel = vectors; | |
8392 | } | |
da0436e9 JS |
8393 | return rc; |
8394 | ||
8395 | cfg_fail_out: | |
8396 | /* free the irq already requested */ | |
67d12733 JS |
8397 | for (--index; index >= 0; index--) |
8398 | free_irq(phba->sli4_hba.msix_entries[index].vector, | |
8399 | &phba->sli4_hba.fcp_eq_hdl[index]); | |
da0436e9 JS |
8400 | |
8401 | msi_fail_out: | |
8402 | /* Unconfigure MSI-X capability structure */ | |
8403 | pci_disable_msix(phba->pcidev); | |
8404 | return rc; | |
8405 | } | |
8406 | ||
8407 | /** | |
8408 | * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device | |
8409 | * @phba: pointer to lpfc hba data structure. | |
8410 | * | |
8411 | * This routine is invoked to release the MSI-X vectors and then disable the | |
8412 | * MSI-X interrupt mode to device with SLI-4 interface spec. | |
8413 | **/ | |
8414 | static void | |
8415 | lpfc_sli4_disable_msix(struct lpfc_hba *phba) | |
8416 | { | |
8417 | int index; | |
8418 | ||
8419 | /* Free up MSI-X multi-message vectors */ | |
82c3e9ba | 8420 | for (index = 0; index < phba->cfg_fcp_io_channel; index++) |
da0436e9 | 8421 | free_irq(phba->sli4_hba.msix_entries[index].vector, |
67d12733 | 8422 | &phba->sli4_hba.fcp_eq_hdl[index]); |
75baf696 | 8423 | |
da0436e9 JS |
8424 | /* Disable MSI-X */ |
8425 | pci_disable_msix(phba->pcidev); | |
8426 | ||
8427 | return; | |
8428 | } | |
8429 | ||
8430 | /** | |
8431 | * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device | |
8432 | * @phba: pointer to lpfc hba data structure. | |
8433 | * | |
8434 | * This routine is invoked to enable the MSI interrupt mode to device with | |
8435 | * SLI-4 interface spec. The kernel function pci_enable_msi() is called | |
8436 | * to enable the MSI vector. The device driver is responsible for calling | |
8437 | * the request_irq() to register MSI vector with a interrupt the handler, | |
8438 | * which is done in this function. | |
8439 | * | |
8440 | * Return codes | |
af901ca1 | 8441 | * 0 - successful |
da0436e9 JS |
8442 | * other values - error |
8443 | **/ | |
8444 | static int | |
8445 | lpfc_sli4_enable_msi(struct lpfc_hba *phba) | |
8446 | { | |
8447 | int rc, index; | |
8448 | ||
8449 | rc = pci_enable_msi(phba->pcidev); | |
8450 | if (!rc) | |
8451 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8452 | "0487 PCI enable MSI mode success.\n"); | |
8453 | else { | |
8454 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
8455 | "0488 PCI enable MSI mode failed (%d)\n", rc); | |
8456 | return rc; | |
8457 | } | |
8458 | ||
8459 | rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, | |
8460 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
8461 | if (rc) { | |
8462 | pci_disable_msi(phba->pcidev); | |
8463 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
8464 | "0490 MSI request_irq failed (%d)\n", rc); | |
75baf696 | 8465 | return rc; |
da0436e9 JS |
8466 | } |
8467 | ||
67d12733 | 8468 | for (index = 0; index < phba->cfg_fcp_io_channel; index++) { |
da0436e9 JS |
8469 | phba->sli4_hba.fcp_eq_hdl[index].idx = index; |
8470 | phba->sli4_hba.fcp_eq_hdl[index].phba = phba; | |
8471 | } | |
8472 | ||
75baf696 | 8473 | return 0; |
da0436e9 JS |
8474 | } |
8475 | ||
8476 | /** | |
8477 | * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device | |
8478 | * @phba: pointer to lpfc hba data structure. | |
8479 | * | |
8480 | * This routine is invoked to disable the MSI interrupt mode to device with | |
8481 | * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has | |
8482 | * done request_irq() on before calling pci_disable_msi(). Failure to do so | |
8483 | * results in a BUG_ON() and a device will be left with MSI enabled and leaks | |
8484 | * its vector. | |
8485 | **/ | |
8486 | static void | |
8487 | lpfc_sli4_disable_msi(struct lpfc_hba *phba) | |
8488 | { | |
8489 | free_irq(phba->pcidev->irq, phba); | |
8490 | pci_disable_msi(phba->pcidev); | |
8491 | return; | |
8492 | } | |
8493 | ||
8494 | /** | |
8495 | * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device | |
8496 | * @phba: pointer to lpfc hba data structure. | |
8497 | * | |
8498 | * This routine is invoked to enable device interrupt and associate driver's | |
8499 | * interrupt handler(s) to interrupt vector(s) to device with SLI-4 | |
8500 | * interface spec. Depends on the interrupt mode configured to the driver, | |
8501 | * the driver will try to fallback from the configured interrupt mode to an | |
8502 | * interrupt mode which is supported by the platform, kernel, and device in | |
8503 | * the order of: | |
8504 | * MSI-X -> MSI -> IRQ. | |
8505 | * | |
8506 | * Return codes | |
af901ca1 | 8507 | * 0 - successful |
da0436e9 JS |
8508 | * other values - error |
8509 | **/ | |
8510 | static uint32_t | |
8511 | lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
8512 | { | |
8513 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
8514 | int retval, index; | |
8515 | ||
8516 | if (cfg_mode == 2) { | |
8517 | /* Preparation before conf_msi mbox cmd */ | |
8518 | retval = 0; | |
8519 | if (!retval) { | |
8520 | /* Now, try to enable MSI-X interrupt mode */ | |
8521 | retval = lpfc_sli4_enable_msix(phba); | |
8522 | if (!retval) { | |
8523 | /* Indicate initialization to MSI-X mode */ | |
8524 | phba->intr_type = MSIX; | |
8525 | intr_mode = 2; | |
8526 | } | |
8527 | } | |
8528 | } | |
8529 | ||
8530 | /* Fallback to MSI if MSI-X initialization failed */ | |
8531 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
8532 | retval = lpfc_sli4_enable_msi(phba); | |
8533 | if (!retval) { | |
8534 | /* Indicate initialization to MSI mode */ | |
8535 | phba->intr_type = MSI; | |
8536 | intr_mode = 1; | |
8537 | } | |
8538 | } | |
8539 | ||
8540 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
8541 | if (phba->intr_type == NONE) { | |
8542 | retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, | |
8543 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
8544 | if (!retval) { | |
8545 | /* Indicate initialization to INTx mode */ | |
8546 | phba->intr_type = INTx; | |
8547 | intr_mode = 0; | |
67d12733 | 8548 | for (index = 0; index < phba->cfg_fcp_io_channel; |
da0436e9 JS |
8549 | index++) { |
8550 | phba->sli4_hba.fcp_eq_hdl[index].idx = index; | |
8551 | phba->sli4_hba.fcp_eq_hdl[index].phba = phba; | |
ba20c853 JS |
8552 | atomic_set(&phba->sli4_hba.fcp_eq_hdl[index]. |
8553 | fcp_eq_in_use, 1); | |
da0436e9 JS |
8554 | } |
8555 | } | |
8556 | } | |
8557 | return intr_mode; | |
8558 | } | |
8559 | ||
8560 | /** | |
8561 | * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device | |
8562 | * @phba: pointer to lpfc hba data structure. | |
8563 | * | |
8564 | * This routine is invoked to disable device interrupt and disassociate | |
8565 | * the driver's interrupt handler(s) from interrupt vector(s) to device | |
8566 | * with SLI-4 interface spec. Depending on the interrupt mode, the driver | |
8567 | * will release the interrupt vector(s) for the message signaled interrupt. | |
8568 | **/ | |
8569 | static void | |
8570 | lpfc_sli4_disable_intr(struct lpfc_hba *phba) | |
8571 | { | |
8572 | /* Disable the currently initialized interrupt mode */ | |
8573 | if (phba->intr_type == MSIX) | |
8574 | lpfc_sli4_disable_msix(phba); | |
8575 | else if (phba->intr_type == MSI) | |
8576 | lpfc_sli4_disable_msi(phba); | |
8577 | else if (phba->intr_type == INTx) | |
8578 | free_irq(phba->pcidev->irq, phba); | |
8579 | ||
8580 | /* Reset interrupt management states */ | |
8581 | phba->intr_type = NONE; | |
8582 | phba->sli.slistat.sli_intr = 0; | |
8583 | ||
8584 | return; | |
8585 | } | |
8586 | ||
8587 | /** | |
8588 | * lpfc_unset_hba - Unset SLI3 hba device initialization | |
8589 | * @phba: pointer to lpfc hba data structure. | |
8590 | * | |
8591 | * This routine is invoked to unset the HBA device initialization steps to | |
8592 | * a device with SLI-3 interface spec. | |
8593 | **/ | |
8594 | static void | |
8595 | lpfc_unset_hba(struct lpfc_hba *phba) | |
8596 | { | |
8597 | struct lpfc_vport *vport = phba->pport; | |
8598 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
8599 | ||
8600 | spin_lock_irq(shost->host_lock); | |
8601 | vport->load_flag |= FC_UNLOADING; | |
8602 | spin_unlock_irq(shost->host_lock); | |
8603 | ||
72859909 JS |
8604 | kfree(phba->vpi_bmask); |
8605 | kfree(phba->vpi_ids); | |
8606 | ||
da0436e9 JS |
8607 | lpfc_stop_hba_timers(phba); |
8608 | ||
8609 | phba->pport->work_port_events = 0; | |
8610 | ||
8611 | lpfc_sli_hba_down(phba); | |
8612 | ||
8613 | lpfc_sli_brdrestart(phba); | |
8614 | ||
8615 | lpfc_sli_disable_intr(phba); | |
8616 | ||
8617 | return; | |
8618 | } | |
8619 | ||
5af5eee7 JS |
8620 | /** |
8621 | * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy | |
8622 | * @phba: Pointer to HBA context object. | |
8623 | * | |
8624 | * This function is called in the SLI4 code path to wait for completion | |
8625 | * of device's XRIs exchange busy. It will check the XRI exchange busy | |
8626 | * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after | |
8627 | * that, it will check the XRI exchange busy on outstanding FCP and ELS | |
8628 | * I/Os every 30 seconds, log error message, and wait forever. Only when | |
8629 | * all XRI exchange busy complete, the driver unload shall proceed with | |
8630 | * invoking the function reset ioctl mailbox command to the CNA and the | |
8631 | * the rest of the driver unload resource release. | |
8632 | **/ | |
8633 | static void | |
8634 | lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba) | |
8635 | { | |
8636 | int wait_time = 0; | |
8637 | int fcp_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
8638 | int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); | |
8639 | ||
8640 | while (!fcp_xri_cmpl || !els_xri_cmpl) { | |
8641 | if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) { | |
8642 | if (!fcp_xri_cmpl) | |
8643 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8644 | "2877 FCP XRI exchange busy " | |
8645 | "wait time: %d seconds.\n", | |
8646 | wait_time/1000); | |
8647 | if (!els_xri_cmpl) | |
8648 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8649 | "2878 ELS XRI exchange busy " | |
8650 | "wait time: %d seconds.\n", | |
8651 | wait_time/1000); | |
8652 | msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2); | |
8653 | wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2; | |
8654 | } else { | |
8655 | msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1); | |
8656 | wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1; | |
8657 | } | |
8658 | fcp_xri_cmpl = | |
8659 | list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
8660 | els_xri_cmpl = | |
8661 | list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); | |
8662 | } | |
8663 | } | |
8664 | ||
da0436e9 JS |
8665 | /** |
8666 | * lpfc_sli4_hba_unset - Unset the fcoe hba | |
8667 | * @phba: Pointer to HBA context object. | |
8668 | * | |
8669 | * This function is called in the SLI4 code path to reset the HBA's FCoE | |
8670 | * function. The caller is not required to hold any lock. This routine | |
8671 | * issues PCI function reset mailbox command to reset the FCoE function. | |
8672 | * At the end of the function, it calls lpfc_hba_down_post function to | |
8673 | * free any pending commands. | |
8674 | **/ | |
8675 | static void | |
8676 | lpfc_sli4_hba_unset(struct lpfc_hba *phba) | |
8677 | { | |
8678 | int wait_cnt = 0; | |
8679 | LPFC_MBOXQ_t *mboxq; | |
912e3acd | 8680 | struct pci_dev *pdev = phba->pcidev; |
da0436e9 JS |
8681 | |
8682 | lpfc_stop_hba_timers(phba); | |
8683 | phba->sli4_hba.intr_enable = 0; | |
8684 | ||
8685 | /* | |
8686 | * Gracefully wait out the potential current outstanding asynchronous | |
8687 | * mailbox command. | |
8688 | */ | |
8689 | ||
8690 | /* First, block any pending async mailbox command from posted */ | |
8691 | spin_lock_irq(&phba->hbalock); | |
8692 | phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
8693 | spin_unlock_irq(&phba->hbalock); | |
8694 | /* Now, trying to wait it out if we can */ | |
8695 | while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
8696 | msleep(10); | |
8697 | if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT) | |
8698 | break; | |
8699 | } | |
8700 | /* Forcefully release the outstanding mailbox command if timed out */ | |
8701 | if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
8702 | spin_lock_irq(&phba->hbalock); | |
8703 | mboxq = phba->sli.mbox_active; | |
8704 | mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
8705 | __lpfc_mbox_cmpl_put(phba, mboxq); | |
8706 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
8707 | phba->sli.mbox_active = NULL; | |
8708 | spin_unlock_irq(&phba->hbalock); | |
8709 | } | |
8710 | ||
5af5eee7 JS |
8711 | /* Abort all iocbs associated with the hba */ |
8712 | lpfc_sli_hba_iocb_abort(phba); | |
8713 | ||
8714 | /* Wait for completion of device XRI exchange busy */ | |
8715 | lpfc_sli4_xri_exchange_busy_wait(phba); | |
8716 | ||
da0436e9 JS |
8717 | /* Disable PCI subsystem interrupt */ |
8718 | lpfc_sli4_disable_intr(phba); | |
8719 | ||
912e3acd JS |
8720 | /* Disable SR-IOV if enabled */ |
8721 | if (phba->cfg_sriov_nr_virtfn) | |
8722 | pci_disable_sriov(pdev); | |
8723 | ||
da0436e9 JS |
8724 | /* Stop kthread signal shall trigger work_done one more time */ |
8725 | kthread_stop(phba->worker_thread); | |
8726 | ||
3677a3a7 JS |
8727 | /* Reset SLI4 HBA FCoE function */ |
8728 | lpfc_pci_function_reset(phba); | |
5350d872 | 8729 | lpfc_sli4_queue_destroy(phba); |
3677a3a7 | 8730 | |
da0436e9 JS |
8731 | /* Stop the SLI4 device port */ |
8732 | phba->pport->work_port_events = 0; | |
8733 | } | |
8734 | ||
28baac74 JS |
8735 | /** |
8736 | * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities. | |
8737 | * @phba: Pointer to HBA context object. | |
8738 | * @mboxq: Pointer to the mailboxq memory for the mailbox command response. | |
8739 | * | |
8740 | * This function is called in the SLI4 code path to read the port's | |
8741 | * sli4 capabilities. | |
8742 | * | |
8743 | * This function may be be called from any context that can block-wait | |
8744 | * for the completion. The expectation is that this routine is called | |
8745 | * typically from probe_one or from the online routine. | |
8746 | **/ | |
8747 | int | |
8748 | lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
8749 | { | |
8750 | int rc; | |
8751 | struct lpfc_mqe *mqe; | |
8752 | struct lpfc_pc_sli4_params *sli4_params; | |
8753 | uint32_t mbox_tmo; | |
8754 | ||
8755 | rc = 0; | |
8756 | mqe = &mboxq->u.mqe; | |
8757 | ||
8758 | /* Read the port's SLI4 Parameters port capabilities */ | |
fedd3b7b | 8759 | lpfc_pc_sli4_params(mboxq); |
28baac74 JS |
8760 | if (!phba->sli4_hba.intr_enable) |
8761 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
8762 | else { | |
a183a15f | 8763 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); |
28baac74 JS |
8764 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); |
8765 | } | |
8766 | ||
8767 | if (unlikely(rc)) | |
8768 | return 1; | |
8769 | ||
8770 | sli4_params = &phba->sli4_hba.pc_sli4_params; | |
8771 | sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params); | |
8772 | sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params); | |
8773 | sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params); | |
8774 | sli4_params->featurelevel_1 = bf_get(featurelevel_1, | |
8775 | &mqe->un.sli4_params); | |
8776 | sli4_params->featurelevel_2 = bf_get(featurelevel_2, | |
8777 | &mqe->un.sli4_params); | |
8778 | sli4_params->proto_types = mqe->un.sli4_params.word3; | |
8779 | sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len; | |
8780 | sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params); | |
8781 | sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params); | |
8782 | sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params); | |
8783 | sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params); | |
8784 | sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params); | |
8785 | sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params); | |
8786 | sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params); | |
8787 | sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params); | |
8788 | sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params); | |
8789 | sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params); | |
8790 | sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params); | |
8791 | sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params); | |
8792 | sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params); | |
8793 | sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params); | |
8794 | sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params); | |
8795 | sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params); | |
8796 | sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params); | |
8797 | sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params); | |
8798 | sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params); | |
0558056c JS |
8799 | |
8800 | /* Make sure that sge_supp_len can be handled by the driver */ | |
8801 | if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE) | |
8802 | sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE; | |
8803 | ||
28baac74 JS |
8804 | return rc; |
8805 | } | |
8806 | ||
fedd3b7b JS |
8807 | /** |
8808 | * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS. | |
8809 | * @phba: Pointer to HBA context object. | |
8810 | * @mboxq: Pointer to the mailboxq memory for the mailbox command response. | |
8811 | * | |
8812 | * This function is called in the SLI4 code path to read the port's | |
8813 | * sli4 capabilities. | |
8814 | * | |
8815 | * This function may be be called from any context that can block-wait | |
8816 | * for the completion. The expectation is that this routine is called | |
8817 | * typically from probe_one or from the online routine. | |
8818 | **/ | |
8819 | int | |
8820 | lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
8821 | { | |
8822 | int rc; | |
8823 | struct lpfc_mqe *mqe = &mboxq->u.mqe; | |
8824 | struct lpfc_pc_sli4_params *sli4_params; | |
a183a15f | 8825 | uint32_t mbox_tmo; |
fedd3b7b JS |
8826 | int length; |
8827 | struct lpfc_sli4_parameters *mbx_sli4_parameters; | |
8828 | ||
6d368e53 JS |
8829 | /* |
8830 | * By default, the driver assumes the SLI4 port requires RPI | |
8831 | * header postings. The SLI4_PARAM response will correct this | |
8832 | * assumption. | |
8833 | */ | |
8834 | phba->sli4_hba.rpi_hdrs_in_use = 1; | |
8835 | ||
fedd3b7b JS |
8836 | /* Read the port's SLI4 Config Parameters */ |
8837 | length = (sizeof(struct lpfc_mbx_get_sli4_parameters) - | |
8838 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
8839 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
8840 | LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS, | |
8841 | length, LPFC_SLI4_MBX_EMBED); | |
8842 | if (!phba->sli4_hba.intr_enable) | |
8843 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
a183a15f JS |
8844 | else { |
8845 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); | |
8846 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); | |
8847 | } | |
fedd3b7b JS |
8848 | if (unlikely(rc)) |
8849 | return rc; | |
8850 | sli4_params = &phba->sli4_hba.pc_sli4_params; | |
8851 | mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters; | |
8852 | sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters); | |
8853 | sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters); | |
8854 | sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters); | |
8855 | sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1, | |
8856 | mbx_sli4_parameters); | |
8857 | sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2, | |
8858 | mbx_sli4_parameters); | |
8859 | if (bf_get(cfg_phwq, mbx_sli4_parameters)) | |
8860 | phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED; | |
8861 | else | |
8862 | phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED; | |
8863 | sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len; | |
8864 | sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters); | |
8865 | sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters); | |
8866 | sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters); | |
8867 | sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters); | |
8868 | sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters); | |
8869 | sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt, | |
8870 | mbx_sli4_parameters); | |
8871 | sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align, | |
8872 | mbx_sli4_parameters); | |
6d368e53 JS |
8873 | phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters); |
8874 | phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters); | |
0558056c JS |
8875 | |
8876 | /* Make sure that sge_supp_len can be handled by the driver */ | |
8877 | if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE) | |
8878 | sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE; | |
8879 | ||
fedd3b7b JS |
8880 | return 0; |
8881 | } | |
8882 | ||
da0436e9 JS |
8883 | /** |
8884 | * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem. | |
8885 | * @pdev: pointer to PCI device | |
8886 | * @pid: pointer to PCI device identifier | |
8887 | * | |
8888 | * This routine is to be called to attach a device with SLI-3 interface spec | |
8889 | * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is | |
8890 | * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific | |
8891 | * information of the device and driver to see if the driver state that it can | |
8892 | * support this kind of device. If the match is successful, the driver core | |
8893 | * invokes this routine. If this routine determines it can claim the HBA, it | |
8894 | * does all the initialization that it needs to do to handle the HBA properly. | |
8895 | * | |
8896 | * Return code | |
8897 | * 0 - driver can claim the device | |
8898 | * negative value - driver can not claim the device | |
8899 | **/ | |
6f039790 | 8900 | static int |
da0436e9 JS |
8901 | lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid) |
8902 | { | |
8903 | struct lpfc_hba *phba; | |
8904 | struct lpfc_vport *vport = NULL; | |
6669f9bb | 8905 | struct Scsi_Host *shost = NULL; |
da0436e9 JS |
8906 | int error; |
8907 | uint32_t cfg_mode, intr_mode; | |
8908 | ||
8909 | /* Allocate memory for HBA structure */ | |
8910 | phba = lpfc_hba_alloc(pdev); | |
8911 | if (!phba) | |
8912 | return -ENOMEM; | |
8913 | ||
8914 | /* Perform generic PCI device enabling operation */ | |
8915 | error = lpfc_enable_pci_dev(phba); | |
079b5c91 | 8916 | if (error) |
da0436e9 | 8917 | goto out_free_phba; |
da0436e9 JS |
8918 | |
8919 | /* Set up SLI API function jump table for PCI-device group-0 HBAs */ | |
8920 | error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP); | |
8921 | if (error) | |
8922 | goto out_disable_pci_dev; | |
8923 | ||
8924 | /* Set up SLI-3 specific device PCI memory space */ | |
8925 | error = lpfc_sli_pci_mem_setup(phba); | |
8926 | if (error) { | |
8927 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8928 | "1402 Failed to set up pci memory space.\n"); | |
8929 | goto out_disable_pci_dev; | |
8930 | } | |
8931 | ||
8932 | /* Set up phase-1 common device driver resources */ | |
8933 | error = lpfc_setup_driver_resource_phase1(phba); | |
8934 | if (error) { | |
8935 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8936 | "1403 Failed to set up driver resource.\n"); | |
8937 | goto out_unset_pci_mem_s3; | |
8938 | } | |
8939 | ||
8940 | /* Set up SLI-3 specific device driver resources */ | |
8941 | error = lpfc_sli_driver_resource_setup(phba); | |
8942 | if (error) { | |
8943 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8944 | "1404 Failed to set up driver resource.\n"); | |
8945 | goto out_unset_pci_mem_s3; | |
8946 | } | |
8947 | ||
8948 | /* Initialize and populate the iocb list per host */ | |
8949 | error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT); | |
8950 | if (error) { | |
8951 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8952 | "1405 Failed to initialize iocb list.\n"); | |
8953 | goto out_unset_driver_resource_s3; | |
8954 | } | |
8955 | ||
8956 | /* Set up common device driver resources */ | |
8957 | error = lpfc_setup_driver_resource_phase2(phba); | |
8958 | if (error) { | |
8959 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8960 | "1406 Failed to set up driver resource.\n"); | |
8961 | goto out_free_iocb_list; | |
8962 | } | |
8963 | ||
079b5c91 JS |
8964 | /* Get the default values for Model Name and Description */ |
8965 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
8966 | ||
da0436e9 JS |
8967 | /* Create SCSI host to the physical port */ |
8968 | error = lpfc_create_shost(phba); | |
8969 | if (error) { | |
8970 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8971 | "1407 Failed to create scsi host.\n"); | |
8972 | goto out_unset_driver_resource; | |
8973 | } | |
8974 | ||
8975 | /* Configure sysfs attributes */ | |
8976 | vport = phba->pport; | |
8977 | error = lpfc_alloc_sysfs_attr(vport); | |
8978 | if (error) { | |
8979 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8980 | "1476 Failed to allocate sysfs attr\n"); | |
8981 | goto out_destroy_shost; | |
8982 | } | |
8983 | ||
6669f9bb | 8984 | shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ |
da0436e9 JS |
8985 | /* Now, trying to enable interrupt and bring up the device */ |
8986 | cfg_mode = phba->cfg_use_msi; | |
8987 | while (true) { | |
8988 | /* Put device to a known state before enabling interrupt */ | |
8989 | lpfc_stop_port(phba); | |
8990 | /* Configure and enable interrupt */ | |
8991 | intr_mode = lpfc_sli_enable_intr(phba, cfg_mode); | |
8992 | if (intr_mode == LPFC_INTR_ERROR) { | |
8993 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8994 | "0431 Failed to enable interrupt.\n"); | |
8995 | error = -ENODEV; | |
8996 | goto out_free_sysfs_attr; | |
8997 | } | |
8998 | /* SLI-3 HBA setup */ | |
8999 | if (lpfc_sli_hba_setup(phba)) { | |
9000 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9001 | "1477 Failed to set up hba\n"); | |
9002 | error = -ENODEV; | |
9003 | goto out_remove_device; | |
9004 | } | |
9005 | ||
9006 | /* Wait 50ms for the interrupts of previous mailbox commands */ | |
9007 | msleep(50); | |
9008 | /* Check active interrupts on message signaled interrupts */ | |
9009 | if (intr_mode == 0 || | |
9010 | phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) { | |
9011 | /* Log the current active interrupt mode */ | |
9012 | phba->intr_mode = intr_mode; | |
9013 | lpfc_log_intr_mode(phba, intr_mode); | |
9014 | break; | |
9015 | } else { | |
9016 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9017 | "0447 Configure interrupt mode (%d) " | |
9018 | "failed active interrupt test.\n", | |
9019 | intr_mode); | |
9020 | /* Disable the current interrupt mode */ | |
9021 | lpfc_sli_disable_intr(phba); | |
9022 | /* Try next level of interrupt mode */ | |
9023 | cfg_mode = --intr_mode; | |
9024 | } | |
9025 | } | |
9026 | ||
9027 | /* Perform post initialization setup */ | |
9028 | lpfc_post_init_setup(phba); | |
9029 | ||
9030 | /* Check if there are static vports to be created. */ | |
9031 | lpfc_create_static_vport(phba); | |
9032 | ||
9033 | return 0; | |
9034 | ||
9035 | out_remove_device: | |
9036 | lpfc_unset_hba(phba); | |
9037 | out_free_sysfs_attr: | |
9038 | lpfc_free_sysfs_attr(vport); | |
9039 | out_destroy_shost: | |
9040 | lpfc_destroy_shost(phba); | |
9041 | out_unset_driver_resource: | |
9042 | lpfc_unset_driver_resource_phase2(phba); | |
9043 | out_free_iocb_list: | |
9044 | lpfc_free_iocb_list(phba); | |
9045 | out_unset_driver_resource_s3: | |
9046 | lpfc_sli_driver_resource_unset(phba); | |
9047 | out_unset_pci_mem_s3: | |
9048 | lpfc_sli_pci_mem_unset(phba); | |
9049 | out_disable_pci_dev: | |
9050 | lpfc_disable_pci_dev(phba); | |
6669f9bb JS |
9051 | if (shost) |
9052 | scsi_host_put(shost); | |
da0436e9 JS |
9053 | out_free_phba: |
9054 | lpfc_hba_free(phba); | |
9055 | return error; | |
9056 | } | |
9057 | ||
9058 | /** | |
9059 | * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem. | |
9060 | * @pdev: pointer to PCI device | |
9061 | * | |
9062 | * This routine is to be called to disattach a device with SLI-3 interface | |
9063 | * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is | |
9064 | * removed from PCI bus, it performs all the necessary cleanup for the HBA | |
9065 | * device to be removed from the PCI subsystem properly. | |
9066 | **/ | |
6f039790 | 9067 | static void |
da0436e9 JS |
9068 | lpfc_pci_remove_one_s3(struct pci_dev *pdev) |
9069 | { | |
9070 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9071 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
9072 | struct lpfc_vport **vports; | |
9073 | struct lpfc_hba *phba = vport->phba; | |
9074 | int i; | |
9075 | int bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
9076 | ||
9077 | spin_lock_irq(&phba->hbalock); | |
9078 | vport->load_flag |= FC_UNLOADING; | |
9079 | spin_unlock_irq(&phba->hbalock); | |
9080 | ||
9081 | lpfc_free_sysfs_attr(vport); | |
9082 | ||
9083 | /* Release all the vports against this physical port */ | |
9084 | vports = lpfc_create_vport_work_array(phba); | |
9085 | if (vports != NULL) | |
587a37f6 JS |
9086 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
9087 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
9088 | continue; | |
da0436e9 | 9089 | fc_vport_terminate(vports[i]->fc_vport); |
587a37f6 | 9090 | } |
da0436e9 JS |
9091 | lpfc_destroy_vport_work_array(phba, vports); |
9092 | ||
9093 | /* Remove FC host and then SCSI host with the physical port */ | |
9094 | fc_remove_host(shost); | |
9095 | scsi_remove_host(shost); | |
9096 | lpfc_cleanup(vport); | |
9097 | ||
9098 | /* | |
9099 | * Bring down the SLI Layer. This step disable all interrupts, | |
9100 | * clears the rings, discards all mailbox commands, and resets | |
9101 | * the HBA. | |
9102 | */ | |
9103 | ||
48e34d0f | 9104 | /* HBA interrupt will be disabled after this call */ |
da0436e9 JS |
9105 | lpfc_sli_hba_down(phba); |
9106 | /* Stop kthread signal shall trigger work_done one more time */ | |
9107 | kthread_stop(phba->worker_thread); | |
9108 | /* Final cleanup of txcmplq and reset the HBA */ | |
9109 | lpfc_sli_brdrestart(phba); | |
9110 | ||
72859909 JS |
9111 | kfree(phba->vpi_bmask); |
9112 | kfree(phba->vpi_ids); | |
9113 | ||
da0436e9 JS |
9114 | lpfc_stop_hba_timers(phba); |
9115 | spin_lock_irq(&phba->hbalock); | |
9116 | list_del_init(&vport->listentry); | |
9117 | spin_unlock_irq(&phba->hbalock); | |
9118 | ||
9119 | lpfc_debugfs_terminate(vport); | |
9120 | ||
912e3acd JS |
9121 | /* Disable SR-IOV if enabled */ |
9122 | if (phba->cfg_sriov_nr_virtfn) | |
9123 | pci_disable_sriov(pdev); | |
9124 | ||
da0436e9 JS |
9125 | /* Disable interrupt */ |
9126 | lpfc_sli_disable_intr(phba); | |
9127 | ||
9128 | pci_set_drvdata(pdev, NULL); | |
9129 | scsi_host_put(shost); | |
9130 | ||
9131 | /* | |
9132 | * Call scsi_free before mem_free since scsi bufs are released to their | |
9133 | * corresponding pools here. | |
9134 | */ | |
9135 | lpfc_scsi_free(phba); | |
9136 | lpfc_mem_free_all(phba); | |
9137 | ||
9138 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), | |
9139 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
9140 | ||
9141 | /* Free resources associated with SLI2 interface */ | |
9142 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
9143 | phba->slim2p.virt, phba->slim2p.phys); | |
9144 | ||
9145 | /* unmap adapter SLIM and Control Registers */ | |
9146 | iounmap(phba->ctrl_regs_memmap_p); | |
9147 | iounmap(phba->slim_memmap_p); | |
9148 | ||
9149 | lpfc_hba_free(phba); | |
9150 | ||
9151 | pci_release_selected_regions(pdev, bars); | |
9152 | pci_disable_device(pdev); | |
9153 | } | |
9154 | ||
9155 | /** | |
9156 | * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt | |
9157 | * @pdev: pointer to PCI device | |
9158 | * @msg: power management message | |
9159 | * | |
9160 | * This routine is to be called from the kernel's PCI subsystem to support | |
9161 | * system Power Management (PM) to device with SLI-3 interface spec. When | |
9162 | * PM invokes this method, it quiesces the device by stopping the driver's | |
9163 | * worker thread for the device, turning off device's interrupt and DMA, | |
9164 | * and bring the device offline. Note that as the driver implements the | |
9165 | * minimum PM requirements to a power-aware driver's PM support for the | |
9166 | * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) | |
9167 | * to the suspend() method call will be treated as SUSPEND and the driver will | |
9168 | * fully reinitialize its device during resume() method call, the driver will | |
9169 | * set device to PCI_D3hot state in PCI config space instead of setting it | |
9170 | * according to the @msg provided by the PM. | |
9171 | * | |
9172 | * Return code | |
9173 | * 0 - driver suspended the device | |
9174 | * Error otherwise | |
9175 | **/ | |
9176 | static int | |
9177 | lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg) | |
9178 | { | |
9179 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9180 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9181 | ||
9182 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9183 | "0473 PCI device Power Management suspend.\n"); | |
9184 | ||
9185 | /* Bring down the device */ | |
618a5230 | 9186 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
da0436e9 JS |
9187 | lpfc_offline(phba); |
9188 | kthread_stop(phba->worker_thread); | |
9189 | ||
9190 | /* Disable interrupt from device */ | |
9191 | lpfc_sli_disable_intr(phba); | |
9192 | ||
9193 | /* Save device state to PCI config space */ | |
9194 | pci_save_state(pdev); | |
9195 | pci_set_power_state(pdev, PCI_D3hot); | |
9196 | ||
9197 | return 0; | |
9198 | } | |
9199 | ||
9200 | /** | |
9201 | * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt | |
9202 | * @pdev: pointer to PCI device | |
9203 | * | |
9204 | * This routine is to be called from the kernel's PCI subsystem to support | |
9205 | * system Power Management (PM) to device with SLI-3 interface spec. When PM | |
9206 | * invokes this method, it restores the device's PCI config space state and | |
9207 | * fully reinitializes the device and brings it online. Note that as the | |
9208 | * driver implements the minimum PM requirements to a power-aware driver's | |
9209 | * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, | |
9210 | * FREEZE) to the suspend() method call will be treated as SUSPEND and the | |
9211 | * driver will fully reinitialize its device during resume() method call, | |
9212 | * the device will be set to PCI_D0 directly in PCI config space before | |
9213 | * restoring the state. | |
9214 | * | |
9215 | * Return code | |
9216 | * 0 - driver suspended the device | |
9217 | * Error otherwise | |
9218 | **/ | |
9219 | static int | |
9220 | lpfc_pci_resume_one_s3(struct pci_dev *pdev) | |
9221 | { | |
9222 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9223 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9224 | uint32_t intr_mode; | |
9225 | int error; | |
9226 | ||
9227 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9228 | "0452 PCI device Power Management resume.\n"); | |
9229 | ||
9230 | /* Restore device state from PCI config space */ | |
9231 | pci_set_power_state(pdev, PCI_D0); | |
9232 | pci_restore_state(pdev); | |
0d878419 | 9233 | |
1dfb5a47 JS |
9234 | /* |
9235 | * As the new kernel behavior of pci_restore_state() API call clears | |
9236 | * device saved_state flag, need to save the restored state again. | |
9237 | */ | |
9238 | pci_save_state(pdev); | |
9239 | ||
da0436e9 JS |
9240 | if (pdev->is_busmaster) |
9241 | pci_set_master(pdev); | |
9242 | ||
9243 | /* Startup the kernel thread for this host adapter. */ | |
9244 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
9245 | "lpfc_worker_%d", phba->brd_no); | |
9246 | if (IS_ERR(phba->worker_thread)) { | |
9247 | error = PTR_ERR(phba->worker_thread); | |
9248 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9249 | "0434 PM resume failed to start worker " | |
9250 | "thread: error=x%x.\n", error); | |
9251 | return error; | |
9252 | } | |
9253 | ||
9254 | /* Configure and enable interrupt */ | |
9255 | intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); | |
9256 | if (intr_mode == LPFC_INTR_ERROR) { | |
9257 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9258 | "0430 PM resume Failed to enable interrupt\n"); | |
9259 | return -EIO; | |
9260 | } else | |
9261 | phba->intr_mode = intr_mode; | |
9262 | ||
9263 | /* Restart HBA and bring it online */ | |
9264 | lpfc_sli_brdrestart(phba); | |
9265 | lpfc_online(phba); | |
9266 | ||
9267 | /* Log the current active interrupt mode */ | |
9268 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
9269 | ||
9270 | return 0; | |
9271 | } | |
9272 | ||
891478a2 JS |
9273 | /** |
9274 | * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover | |
9275 | * @phba: pointer to lpfc hba data structure. | |
9276 | * | |
9277 | * This routine is called to prepare the SLI3 device for PCI slot recover. It | |
e2af0d2e | 9278 | * aborts all the outstanding SCSI I/Os to the pci device. |
891478a2 JS |
9279 | **/ |
9280 | static void | |
9281 | lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba) | |
9282 | { | |
e2af0d2e JS |
9283 | struct lpfc_sli *psli = &phba->sli; |
9284 | struct lpfc_sli_ring *pring; | |
9285 | ||
891478a2 JS |
9286 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
9287 | "2723 PCI channel I/O abort preparing for recovery\n"); | |
e2af0d2e JS |
9288 | |
9289 | /* | |
9290 | * There may be errored I/Os through HBA, abort all I/Os on txcmplq | |
9291 | * and let the SCSI mid-layer to retry them to recover. | |
9292 | */ | |
9293 | pring = &psli->ring[psli->fcp_ring]; | |
9294 | lpfc_sli_abort_iocb_ring(phba, pring); | |
891478a2 JS |
9295 | } |
9296 | ||
0d878419 JS |
9297 | /** |
9298 | * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset | |
9299 | * @phba: pointer to lpfc hba data structure. | |
9300 | * | |
9301 | * This routine is called to prepare the SLI3 device for PCI slot reset. It | |
9302 | * disables the device interrupt and pci device, and aborts the internal FCP | |
9303 | * pending I/Os. | |
9304 | **/ | |
9305 | static void | |
9306 | lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba) | |
9307 | { | |
0d878419 | 9308 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
891478a2 | 9309 | "2710 PCI channel disable preparing for reset\n"); |
e2af0d2e | 9310 | |
75baf696 | 9311 | /* Block any management I/Os to the device */ |
618a5230 | 9312 | lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT); |
75baf696 | 9313 | |
e2af0d2e JS |
9314 | /* Block all SCSI devices' I/Os on the host */ |
9315 | lpfc_scsi_dev_block(phba); | |
9316 | ||
9317 | /* stop all timers */ | |
9318 | lpfc_stop_hba_timers(phba); | |
9319 | ||
0d878419 JS |
9320 | /* Disable interrupt and pci device */ |
9321 | lpfc_sli_disable_intr(phba); | |
9322 | pci_disable_device(phba->pcidev); | |
75baf696 | 9323 | |
e2af0d2e JS |
9324 | /* Flush all driver's outstanding SCSI I/Os as we are to reset */ |
9325 | lpfc_sli_flush_fcp_rings(phba); | |
0d878419 JS |
9326 | } |
9327 | ||
9328 | /** | |
9329 | * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable | |
9330 | * @phba: pointer to lpfc hba data structure. | |
9331 | * | |
9332 | * This routine is called to prepare the SLI3 device for PCI slot permanently | |
9333 | * disabling. It blocks the SCSI transport layer traffic and flushes the FCP | |
9334 | * pending I/Os. | |
9335 | **/ | |
9336 | static void | |
75baf696 | 9337 | lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba) |
0d878419 JS |
9338 | { |
9339 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
891478a2 | 9340 | "2711 PCI channel permanent disable for failure\n"); |
e2af0d2e JS |
9341 | /* Block all SCSI devices' I/Os on the host */ |
9342 | lpfc_scsi_dev_block(phba); | |
9343 | ||
9344 | /* stop all timers */ | |
9345 | lpfc_stop_hba_timers(phba); | |
9346 | ||
0d878419 JS |
9347 | /* Clean up all driver's outstanding SCSI I/Os */ |
9348 | lpfc_sli_flush_fcp_rings(phba); | |
9349 | } | |
9350 | ||
da0436e9 JS |
9351 | /** |
9352 | * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error | |
9353 | * @pdev: pointer to PCI device. | |
9354 | * @state: the current PCI connection state. | |
9355 | * | |
9356 | * This routine is called from the PCI subsystem for I/O error handling to | |
9357 | * device with SLI-3 interface spec. This function is called by the PCI | |
9358 | * subsystem after a PCI bus error affecting this device has been detected. | |
9359 | * When this function is invoked, it will need to stop all the I/Os and | |
9360 | * interrupt(s) to the device. Once that is done, it will return | |
9361 | * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery | |
9362 | * as desired. | |
9363 | * | |
9364 | * Return codes | |
0d878419 | 9365 | * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link |
da0436e9 JS |
9366 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery |
9367 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
9368 | **/ | |
9369 | static pci_ers_result_t | |
9370 | lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state) | |
9371 | { | |
9372 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9373 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
da0436e9 | 9374 | |
0d878419 JS |
9375 | switch (state) { |
9376 | case pci_channel_io_normal: | |
891478a2 JS |
9377 | /* Non-fatal error, prepare for recovery */ |
9378 | lpfc_sli_prep_dev_for_recover(phba); | |
0d878419 JS |
9379 | return PCI_ERS_RESULT_CAN_RECOVER; |
9380 | case pci_channel_io_frozen: | |
9381 | /* Fatal error, prepare for slot reset */ | |
9382 | lpfc_sli_prep_dev_for_reset(phba); | |
9383 | return PCI_ERS_RESULT_NEED_RESET; | |
9384 | case pci_channel_io_perm_failure: | |
9385 | /* Permanent failure, prepare for device down */ | |
75baf696 | 9386 | lpfc_sli_prep_dev_for_perm_failure(phba); |
da0436e9 | 9387 | return PCI_ERS_RESULT_DISCONNECT; |
0d878419 JS |
9388 | default: |
9389 | /* Unknown state, prepare and request slot reset */ | |
9390 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9391 | "0472 Unknown PCI error state: x%x\n", state); | |
9392 | lpfc_sli_prep_dev_for_reset(phba); | |
9393 | return PCI_ERS_RESULT_NEED_RESET; | |
da0436e9 | 9394 | } |
da0436e9 JS |
9395 | } |
9396 | ||
9397 | /** | |
9398 | * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch. | |
9399 | * @pdev: pointer to PCI device. | |
9400 | * | |
9401 | * This routine is called from the PCI subsystem for error handling to | |
9402 | * device with SLI-3 interface spec. This is called after PCI bus has been | |
9403 | * reset to restart the PCI card from scratch, as if from a cold-boot. | |
9404 | * During the PCI subsystem error recovery, after driver returns | |
9405 | * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error | |
9406 | * recovery and then call this routine before calling the .resume method | |
9407 | * to recover the device. This function will initialize the HBA device, | |
9408 | * enable the interrupt, but it will just put the HBA to offline state | |
9409 | * without passing any I/O traffic. | |
9410 | * | |
9411 | * Return codes | |
9412 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
9413 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
9414 | */ | |
9415 | static pci_ers_result_t | |
9416 | lpfc_io_slot_reset_s3(struct pci_dev *pdev) | |
9417 | { | |
9418 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9419 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9420 | struct lpfc_sli *psli = &phba->sli; | |
9421 | uint32_t intr_mode; | |
9422 | ||
9423 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
9424 | if (pci_enable_device_mem(pdev)) { | |
9425 | printk(KERN_ERR "lpfc: Cannot re-enable " | |
9426 | "PCI device after reset.\n"); | |
9427 | return PCI_ERS_RESULT_DISCONNECT; | |
9428 | } | |
9429 | ||
9430 | pci_restore_state(pdev); | |
1dfb5a47 JS |
9431 | |
9432 | /* | |
9433 | * As the new kernel behavior of pci_restore_state() API call clears | |
9434 | * device saved_state flag, need to save the restored state again. | |
9435 | */ | |
9436 | pci_save_state(pdev); | |
9437 | ||
da0436e9 JS |
9438 | if (pdev->is_busmaster) |
9439 | pci_set_master(pdev); | |
9440 | ||
9441 | spin_lock_irq(&phba->hbalock); | |
9442 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
9443 | spin_unlock_irq(&phba->hbalock); | |
9444 | ||
9445 | /* Configure and enable interrupt */ | |
9446 | intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); | |
9447 | if (intr_mode == LPFC_INTR_ERROR) { | |
9448 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9449 | "0427 Cannot re-enable interrupt after " | |
9450 | "slot reset.\n"); | |
9451 | return PCI_ERS_RESULT_DISCONNECT; | |
9452 | } else | |
9453 | phba->intr_mode = intr_mode; | |
9454 | ||
75baf696 | 9455 | /* Take device offline, it will perform cleanup */ |
618a5230 | 9456 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
da0436e9 JS |
9457 | lpfc_offline(phba); |
9458 | lpfc_sli_brdrestart(phba); | |
9459 | ||
9460 | /* Log the current active interrupt mode */ | |
9461 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
9462 | ||
9463 | return PCI_ERS_RESULT_RECOVERED; | |
9464 | } | |
9465 | ||
9466 | /** | |
9467 | * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device. | |
9468 | * @pdev: pointer to PCI device | |
9469 | * | |
9470 | * This routine is called from the PCI subsystem for error handling to device | |
9471 | * with SLI-3 interface spec. It is called when kernel error recovery tells | |
9472 | * the lpfc driver that it is ok to resume normal PCI operation after PCI bus | |
9473 | * error recovery. After this call, traffic can start to flow from this device | |
9474 | * again. | |
9475 | */ | |
9476 | static void | |
9477 | lpfc_io_resume_s3(struct pci_dev *pdev) | |
9478 | { | |
9479 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9480 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3772a991 | 9481 | |
e2af0d2e | 9482 | /* Bring device online, it will be no-op for non-fatal error resume */ |
da0436e9 | 9483 | lpfc_online(phba); |
0d878419 JS |
9484 | |
9485 | /* Clean up Advanced Error Reporting (AER) if needed */ | |
9486 | if (phba->hba_flag & HBA_AER_ENABLED) | |
9487 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
da0436e9 | 9488 | } |
3772a991 | 9489 | |
da0436e9 JS |
9490 | /** |
9491 | * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve | |
9492 | * @phba: pointer to lpfc hba data structure. | |
9493 | * | |
9494 | * returns the number of ELS/CT IOCBs to reserve | |
9495 | **/ | |
9496 | int | |
9497 | lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba) | |
9498 | { | |
9499 | int max_xri = phba->sli4_hba.max_cfg_param.max_xri; | |
9500 | ||
f1126688 JS |
9501 | if (phba->sli_rev == LPFC_SLI_REV4) { |
9502 | if (max_xri <= 100) | |
6a9c52cf | 9503 | return 10; |
f1126688 | 9504 | else if (max_xri <= 256) |
6a9c52cf | 9505 | return 25; |
f1126688 | 9506 | else if (max_xri <= 512) |
6a9c52cf | 9507 | return 50; |
f1126688 | 9508 | else if (max_xri <= 1024) |
6a9c52cf | 9509 | return 100; |
8a9d2e80 | 9510 | else if (max_xri <= 1536) |
6a9c52cf | 9511 | return 150; |
8a9d2e80 JS |
9512 | else if (max_xri <= 2048) |
9513 | return 200; | |
9514 | else | |
9515 | return 250; | |
f1126688 JS |
9516 | } else |
9517 | return 0; | |
3772a991 JS |
9518 | } |
9519 | ||
52d52440 JS |
9520 | /** |
9521 | * lpfc_write_firmware - attempt to write a firmware image to the port | |
52d52440 | 9522 | * @fw: pointer to firmware image returned from request_firmware. |
ce396282 | 9523 | * @phba: pointer to lpfc hba data structure. |
52d52440 | 9524 | * |
52d52440 | 9525 | **/ |
ce396282 JS |
9526 | static void |
9527 | lpfc_write_firmware(const struct firmware *fw, void *context) | |
52d52440 | 9528 | { |
ce396282 | 9529 | struct lpfc_hba *phba = (struct lpfc_hba *)context; |
6b5151fd | 9530 | char fwrev[FW_REV_STR_SIZE]; |
ce396282 | 9531 | struct lpfc_grp_hdr *image; |
52d52440 JS |
9532 | struct list_head dma_buffer_list; |
9533 | int i, rc = 0; | |
9534 | struct lpfc_dmabuf *dmabuf, *next; | |
9535 | uint32_t offset = 0, temp_offset = 0; | |
9536 | ||
c71ab861 | 9537 | /* It can be null in no-wait mode, sanity check */ |
ce396282 JS |
9538 | if (!fw) { |
9539 | rc = -ENXIO; | |
9540 | goto out; | |
9541 | } | |
9542 | image = (struct lpfc_grp_hdr *)fw->data; | |
9543 | ||
52d52440 | 9544 | INIT_LIST_HEAD(&dma_buffer_list); |
079b5c91 JS |
9545 | if ((be32_to_cpu(image->magic_number) != LPFC_GROUP_OJECT_MAGIC_NUM) || |
9546 | (bf_get_be32(lpfc_grp_hdr_file_type, image) != | |
9547 | LPFC_FILE_TYPE_GROUP) || | |
9548 | (bf_get_be32(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) || | |
9549 | (be32_to_cpu(image->size) != fw->size)) { | |
52d52440 JS |
9550 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
9551 | "3022 Invalid FW image found. " | |
079b5c91 JS |
9552 | "Magic:%x Type:%x ID:%x\n", |
9553 | be32_to_cpu(image->magic_number), | |
9554 | bf_get_be32(lpfc_grp_hdr_file_type, image), | |
9555 | bf_get_be32(lpfc_grp_hdr_id, image)); | |
ce396282 JS |
9556 | rc = -EINVAL; |
9557 | goto release_out; | |
52d52440 JS |
9558 | } |
9559 | lpfc_decode_firmware_rev(phba, fwrev, 1); | |
88a2cfbb | 9560 | if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) { |
52d52440 | 9561 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
ce396282 | 9562 | "3023 Updating Firmware, Current Version:%s " |
52d52440 | 9563 | "New Version:%s\n", |
88a2cfbb | 9564 | fwrev, image->revision); |
52d52440 JS |
9565 | for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) { |
9566 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), | |
9567 | GFP_KERNEL); | |
9568 | if (!dmabuf) { | |
9569 | rc = -ENOMEM; | |
ce396282 | 9570 | goto release_out; |
52d52440 JS |
9571 | } |
9572 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
9573 | SLI4_PAGE_SIZE, | |
9574 | &dmabuf->phys, | |
9575 | GFP_KERNEL); | |
9576 | if (!dmabuf->virt) { | |
9577 | kfree(dmabuf); | |
9578 | rc = -ENOMEM; | |
ce396282 | 9579 | goto release_out; |
52d52440 JS |
9580 | } |
9581 | list_add_tail(&dmabuf->list, &dma_buffer_list); | |
9582 | } | |
9583 | while (offset < fw->size) { | |
9584 | temp_offset = offset; | |
9585 | list_for_each_entry(dmabuf, &dma_buffer_list, list) { | |
079b5c91 | 9586 | if (temp_offset + SLI4_PAGE_SIZE > fw->size) { |
52d52440 JS |
9587 | memcpy(dmabuf->virt, |
9588 | fw->data + temp_offset, | |
079b5c91 JS |
9589 | fw->size - temp_offset); |
9590 | temp_offset = fw->size; | |
52d52440 JS |
9591 | break; |
9592 | } | |
52d52440 JS |
9593 | memcpy(dmabuf->virt, fw->data + temp_offset, |
9594 | SLI4_PAGE_SIZE); | |
88a2cfbb | 9595 | temp_offset += SLI4_PAGE_SIZE; |
52d52440 JS |
9596 | } |
9597 | rc = lpfc_wr_object(phba, &dma_buffer_list, | |
9598 | (fw->size - offset), &offset); | |
ce396282 JS |
9599 | if (rc) |
9600 | goto release_out; | |
52d52440 JS |
9601 | } |
9602 | rc = offset; | |
9603 | } | |
ce396282 JS |
9604 | |
9605 | release_out: | |
52d52440 JS |
9606 | list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) { |
9607 | list_del(&dmabuf->list); | |
9608 | dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE, | |
9609 | dmabuf->virt, dmabuf->phys); | |
9610 | kfree(dmabuf); | |
9611 | } | |
ce396282 JS |
9612 | release_firmware(fw); |
9613 | out: | |
9614 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
c71ab861 | 9615 | "3024 Firmware update done: %d.\n", rc); |
ce396282 | 9616 | return; |
52d52440 JS |
9617 | } |
9618 | ||
c71ab861 JS |
9619 | /** |
9620 | * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade | |
9621 | * @phba: pointer to lpfc hba data structure. | |
9622 | * | |
9623 | * This routine is called to perform Linux generic firmware upgrade on device | |
9624 | * that supports such feature. | |
9625 | **/ | |
9626 | int | |
9627 | lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade) | |
9628 | { | |
9629 | uint8_t file_name[ELX_MODEL_NAME_SIZE]; | |
9630 | int ret; | |
9631 | const struct firmware *fw; | |
9632 | ||
9633 | /* Only supported on SLI4 interface type 2 for now */ | |
9634 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
9635 | LPFC_SLI_INTF_IF_TYPE_2) | |
9636 | return -EPERM; | |
9637 | ||
9638 | snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName); | |
9639 | ||
9640 | if (fw_upgrade == INT_FW_UPGRADE) { | |
9641 | ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, | |
9642 | file_name, &phba->pcidev->dev, | |
9643 | GFP_KERNEL, (void *)phba, | |
9644 | lpfc_write_firmware); | |
9645 | } else if (fw_upgrade == RUN_FW_UPGRADE) { | |
9646 | ret = request_firmware(&fw, file_name, &phba->pcidev->dev); | |
9647 | if (!ret) | |
9648 | lpfc_write_firmware(fw, (void *)phba); | |
9649 | } else { | |
9650 | ret = -EINVAL; | |
9651 | } | |
9652 | ||
9653 | return ret; | |
9654 | } | |
9655 | ||
3772a991 | 9656 | /** |
da0436e9 | 9657 | * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys |
3772a991 JS |
9658 | * @pdev: pointer to PCI device |
9659 | * @pid: pointer to PCI device identifier | |
9660 | * | |
da0436e9 JS |
9661 | * This routine is called from the kernel's PCI subsystem to device with |
9662 | * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is | |
3772a991 | 9663 | * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific |
da0436e9 JS |
9664 | * information of the device and driver to see if the driver state that it |
9665 | * can support this kind of device. If the match is successful, the driver | |
9666 | * core invokes this routine. If this routine determines it can claim the HBA, | |
9667 | * it does all the initialization that it needs to do to handle the HBA | |
9668 | * properly. | |
3772a991 JS |
9669 | * |
9670 | * Return code | |
9671 | * 0 - driver can claim the device | |
9672 | * negative value - driver can not claim the device | |
9673 | **/ | |
6f039790 | 9674 | static int |
da0436e9 | 9675 | lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) |
3772a991 JS |
9676 | { |
9677 | struct lpfc_hba *phba; | |
9678 | struct lpfc_vport *vport = NULL; | |
6669f9bb | 9679 | struct Scsi_Host *shost = NULL; |
ce396282 | 9680 | int error, ret; |
3772a991 | 9681 | uint32_t cfg_mode, intr_mode; |
67d12733 | 9682 | int adjusted_fcp_io_channel; |
3772a991 JS |
9683 | |
9684 | /* Allocate memory for HBA structure */ | |
9685 | phba = lpfc_hba_alloc(pdev); | |
9686 | if (!phba) | |
9687 | return -ENOMEM; | |
9688 | ||
9689 | /* Perform generic PCI device enabling operation */ | |
9690 | error = lpfc_enable_pci_dev(phba); | |
079b5c91 | 9691 | if (error) |
3772a991 | 9692 | goto out_free_phba; |
3772a991 | 9693 | |
da0436e9 JS |
9694 | /* Set up SLI API function jump table for PCI-device group-1 HBAs */ |
9695 | error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC); | |
3772a991 JS |
9696 | if (error) |
9697 | goto out_disable_pci_dev; | |
9698 | ||
da0436e9 JS |
9699 | /* Set up SLI-4 specific device PCI memory space */ |
9700 | error = lpfc_sli4_pci_mem_setup(phba); | |
3772a991 JS |
9701 | if (error) { |
9702 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 9703 | "1410 Failed to set up pci memory space.\n"); |
3772a991 JS |
9704 | goto out_disable_pci_dev; |
9705 | } | |
9706 | ||
9707 | /* Set up phase-1 common device driver resources */ | |
9708 | error = lpfc_setup_driver_resource_phase1(phba); | |
9709 | if (error) { | |
9710 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
9711 | "1411 Failed to set up driver resource.\n"); |
9712 | goto out_unset_pci_mem_s4; | |
3772a991 JS |
9713 | } |
9714 | ||
da0436e9 JS |
9715 | /* Set up SLI-4 Specific device driver resources */ |
9716 | error = lpfc_sli4_driver_resource_setup(phba); | |
3772a991 JS |
9717 | if (error) { |
9718 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
9719 | "1412 Failed to set up driver resource.\n"); |
9720 | goto out_unset_pci_mem_s4; | |
3772a991 JS |
9721 | } |
9722 | ||
9723 | /* Initialize and populate the iocb list per host */ | |
2a9bf3d0 JS |
9724 | |
9725 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
9726 | "2821 initialize iocb list %d.\n", | |
9727 | phba->cfg_iocb_cnt*1024); | |
9728 | error = lpfc_init_iocb_list(phba, phba->cfg_iocb_cnt*1024); | |
9729 | ||
3772a991 JS |
9730 | if (error) { |
9731 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
9732 | "1413 Failed to initialize iocb list.\n"); |
9733 | goto out_unset_driver_resource_s4; | |
3772a991 JS |
9734 | } |
9735 | ||
19ca7609 | 9736 | INIT_LIST_HEAD(&phba->active_rrq_list); |
7d791df7 | 9737 | INIT_LIST_HEAD(&phba->fcf.fcf_pri_list); |
19ca7609 | 9738 | |
3772a991 JS |
9739 | /* Set up common device driver resources */ |
9740 | error = lpfc_setup_driver_resource_phase2(phba); | |
9741 | if (error) { | |
9742 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 9743 | "1414 Failed to set up driver resource.\n"); |
3772a991 JS |
9744 | goto out_free_iocb_list; |
9745 | } | |
9746 | ||
079b5c91 JS |
9747 | /* Get the default values for Model Name and Description */ |
9748 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
9749 | ||
3772a991 JS |
9750 | /* Create SCSI host to the physical port */ |
9751 | error = lpfc_create_shost(phba); | |
9752 | if (error) { | |
9753 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 9754 | "1415 Failed to create scsi host.\n"); |
3772a991 JS |
9755 | goto out_unset_driver_resource; |
9756 | } | |
9399627f | 9757 | |
5b75da2f | 9758 | /* Configure sysfs attributes */ |
3772a991 JS |
9759 | vport = phba->pport; |
9760 | error = lpfc_alloc_sysfs_attr(vport); | |
9761 | if (error) { | |
9399627f | 9762 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 9763 | "1416 Failed to allocate sysfs attr\n"); |
3772a991 | 9764 | goto out_destroy_shost; |
98c9ea5c | 9765 | } |
875fbdfe | 9766 | |
6669f9bb | 9767 | shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ |
3772a991 | 9768 | /* Now, trying to enable interrupt and bring up the device */ |
5b75da2f | 9769 | cfg_mode = phba->cfg_use_msi; |
5b75da2f | 9770 | |
7b15db32 JS |
9771 | /* Put device to a known state before enabling interrupt */ |
9772 | lpfc_stop_port(phba); | |
9773 | /* Configure and enable interrupt */ | |
9774 | intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode); | |
9775 | if (intr_mode == LPFC_INTR_ERROR) { | |
9776 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9777 | "0426 Failed to enable interrupt.\n"); | |
9778 | error = -ENODEV; | |
9779 | goto out_free_sysfs_attr; | |
9780 | } | |
9781 | /* Default to single EQ for non-MSI-X */ | |
9782 | if (phba->intr_type != MSIX) | |
9783 | adjusted_fcp_io_channel = 1; | |
9784 | else | |
9785 | adjusted_fcp_io_channel = phba->cfg_fcp_io_channel; | |
9786 | phba->cfg_fcp_io_channel = adjusted_fcp_io_channel; | |
9787 | /* Set up SLI-4 HBA */ | |
9788 | if (lpfc_sli4_hba_setup(phba)) { | |
9789 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9790 | "1421 Failed to set up hba\n"); | |
9791 | error = -ENODEV; | |
9792 | goto out_disable_intr; | |
98c9ea5c | 9793 | } |
858c9f6c | 9794 | |
7b15db32 JS |
9795 | /* Log the current active interrupt mode */ |
9796 | phba->intr_mode = intr_mode; | |
9797 | lpfc_log_intr_mode(phba, intr_mode); | |
9798 | ||
3772a991 JS |
9799 | /* Perform post initialization setup */ |
9800 | lpfc_post_init_setup(phba); | |
dea3101e | 9801 | |
c71ab861 JS |
9802 | /* check for firmware upgrade or downgrade */ |
9803 | if (phba->cfg_request_firmware_upgrade) | |
9804 | ret = lpfc_sli4_request_firmware_update(phba, INT_FW_UPGRADE); | |
52d52440 | 9805 | |
1c6834a7 JS |
9806 | /* Check if there are static vports to be created. */ |
9807 | lpfc_create_static_vport(phba); | |
dea3101e | 9808 | return 0; |
9809 | ||
da0436e9 JS |
9810 | out_disable_intr: |
9811 | lpfc_sli4_disable_intr(phba); | |
5b75da2f JS |
9812 | out_free_sysfs_attr: |
9813 | lpfc_free_sysfs_attr(vport); | |
3772a991 JS |
9814 | out_destroy_shost: |
9815 | lpfc_destroy_shost(phba); | |
9816 | out_unset_driver_resource: | |
9817 | lpfc_unset_driver_resource_phase2(phba); | |
9818 | out_free_iocb_list: | |
9819 | lpfc_free_iocb_list(phba); | |
da0436e9 JS |
9820 | out_unset_driver_resource_s4: |
9821 | lpfc_sli4_driver_resource_unset(phba); | |
9822 | out_unset_pci_mem_s4: | |
9823 | lpfc_sli4_pci_mem_unset(phba); | |
3772a991 JS |
9824 | out_disable_pci_dev: |
9825 | lpfc_disable_pci_dev(phba); | |
6669f9bb JS |
9826 | if (shost) |
9827 | scsi_host_put(shost); | |
2e0fef85 | 9828 | out_free_phba: |
3772a991 | 9829 | lpfc_hba_free(phba); |
dea3101e | 9830 | return error; |
9831 | } | |
9832 | ||
e59058c4 | 9833 | /** |
da0436e9 | 9834 | * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem |
e59058c4 JS |
9835 | * @pdev: pointer to PCI device |
9836 | * | |
da0436e9 JS |
9837 | * This routine is called from the kernel's PCI subsystem to device with |
9838 | * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is | |
3772a991 JS |
9839 | * removed from PCI bus, it performs all the necessary cleanup for the HBA |
9840 | * device to be removed from the PCI subsystem properly. | |
e59058c4 | 9841 | **/ |
6f039790 | 9842 | static void |
da0436e9 | 9843 | lpfc_pci_remove_one_s4(struct pci_dev *pdev) |
dea3101e | 9844 | { |
da0436e9 | 9845 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2e0fef85 | 9846 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
eada272d | 9847 | struct lpfc_vport **vports; |
da0436e9 | 9848 | struct lpfc_hba *phba = vport->phba; |
eada272d | 9849 | int i; |
8a4df120 | 9850 | |
da0436e9 | 9851 | /* Mark the device unloading flag */ |
549e55cd | 9852 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 9853 | vport->load_flag |= FC_UNLOADING; |
549e55cd | 9854 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 9855 | |
da0436e9 | 9856 | /* Free the HBA sysfs attributes */ |
858c9f6c JS |
9857 | lpfc_free_sysfs_attr(vport); |
9858 | ||
eada272d JS |
9859 | /* Release all the vports against this physical port */ |
9860 | vports = lpfc_create_vport_work_array(phba); | |
9861 | if (vports != NULL) | |
587a37f6 JS |
9862 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
9863 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
9864 | continue; | |
eada272d | 9865 | fc_vport_terminate(vports[i]->fc_vport); |
587a37f6 | 9866 | } |
eada272d JS |
9867 | lpfc_destroy_vport_work_array(phba, vports); |
9868 | ||
9869 | /* Remove FC host and then SCSI host with the physical port */ | |
858c9f6c JS |
9870 | fc_remove_host(shost); |
9871 | scsi_remove_host(shost); | |
da0436e9 JS |
9872 | |
9873 | /* Perform cleanup on the physical port */ | |
87af33fe JS |
9874 | lpfc_cleanup(vport); |
9875 | ||
2e0fef85 | 9876 | /* |
da0436e9 | 9877 | * Bring down the SLI Layer. This step disables all interrupts, |
2e0fef85 | 9878 | * clears the rings, discards all mailbox commands, and resets |
da0436e9 | 9879 | * the HBA FCoE function. |
2e0fef85 | 9880 | */ |
da0436e9 JS |
9881 | lpfc_debugfs_terminate(vport); |
9882 | lpfc_sli4_hba_unset(phba); | |
a257bf90 | 9883 | |
858c9f6c JS |
9884 | spin_lock_irq(&phba->hbalock); |
9885 | list_del_init(&vport->listentry); | |
9886 | spin_unlock_irq(&phba->hbalock); | |
9887 | ||
3677a3a7 | 9888 | /* Perform scsi free before driver resource_unset since scsi |
da0436e9 | 9889 | * buffers are released to their corresponding pools here. |
2e0fef85 JS |
9890 | */ |
9891 | lpfc_scsi_free(phba); | |
67d12733 | 9892 | |
da0436e9 | 9893 | lpfc_sli4_driver_resource_unset(phba); |
ed957684 | 9894 | |
da0436e9 JS |
9895 | /* Unmap adapter Control and Doorbell registers */ |
9896 | lpfc_sli4_pci_mem_unset(phba); | |
2e0fef85 | 9897 | |
da0436e9 JS |
9898 | /* Release PCI resources and disable device's PCI function */ |
9899 | scsi_host_put(shost); | |
9900 | lpfc_disable_pci_dev(phba); | |
2e0fef85 | 9901 | |
da0436e9 | 9902 | /* Finally, free the driver's device data structure */ |
3772a991 | 9903 | lpfc_hba_free(phba); |
2e0fef85 | 9904 | |
da0436e9 | 9905 | return; |
dea3101e | 9906 | } |
9907 | ||
3a55b532 | 9908 | /** |
da0436e9 | 9909 | * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt |
3a55b532 JS |
9910 | * @pdev: pointer to PCI device |
9911 | * @msg: power management message | |
9912 | * | |
da0436e9 JS |
9913 | * This routine is called from the kernel's PCI subsystem to support system |
9914 | * Power Management (PM) to device with SLI-4 interface spec. When PM invokes | |
9915 | * this method, it quiesces the device by stopping the driver's worker | |
9916 | * thread for the device, turning off device's interrupt and DMA, and bring | |
9917 | * the device offline. Note that as the driver implements the minimum PM | |
9918 | * requirements to a power-aware driver's PM support for suspend/resume -- all | |
9919 | * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend() | |
9920 | * method call will be treated as SUSPEND and the driver will fully | |
9921 | * reinitialize its device during resume() method call, the driver will set | |
9922 | * device to PCI_D3hot state in PCI config space instead of setting it | |
3772a991 | 9923 | * according to the @msg provided by the PM. |
3a55b532 JS |
9924 | * |
9925 | * Return code | |
3772a991 JS |
9926 | * 0 - driver suspended the device |
9927 | * Error otherwise | |
3a55b532 JS |
9928 | **/ |
9929 | static int | |
da0436e9 | 9930 | lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg) |
3a55b532 JS |
9931 | { |
9932 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9933 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
9934 | ||
9935 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
75baf696 | 9936 | "2843 PCI device Power Management suspend.\n"); |
3a55b532 JS |
9937 | |
9938 | /* Bring down the device */ | |
618a5230 | 9939 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
3a55b532 JS |
9940 | lpfc_offline(phba); |
9941 | kthread_stop(phba->worker_thread); | |
9942 | ||
9943 | /* Disable interrupt from device */ | |
da0436e9 | 9944 | lpfc_sli4_disable_intr(phba); |
5350d872 | 9945 | lpfc_sli4_queue_destroy(phba); |
3a55b532 JS |
9946 | |
9947 | /* Save device state to PCI config space */ | |
9948 | pci_save_state(pdev); | |
9949 | pci_set_power_state(pdev, PCI_D3hot); | |
9950 | ||
9951 | return 0; | |
9952 | } | |
9953 | ||
9954 | /** | |
da0436e9 | 9955 | * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt |
3a55b532 JS |
9956 | * @pdev: pointer to PCI device |
9957 | * | |
da0436e9 JS |
9958 | * This routine is called from the kernel's PCI subsystem to support system |
9959 | * Power Management (PM) to device with SLI-4 interface spac. When PM invokes | |
9960 | * this method, it restores the device's PCI config space state and fully | |
9961 | * reinitializes the device and brings it online. Note that as the driver | |
9962 | * implements the minimum PM requirements to a power-aware driver's PM for | |
9963 | * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) | |
9964 | * to the suspend() method call will be treated as SUSPEND and the driver | |
9965 | * will fully reinitialize its device during resume() method call, the device | |
9966 | * will be set to PCI_D0 directly in PCI config space before restoring the | |
9967 | * state. | |
3a55b532 JS |
9968 | * |
9969 | * Return code | |
3772a991 JS |
9970 | * 0 - driver suspended the device |
9971 | * Error otherwise | |
3a55b532 JS |
9972 | **/ |
9973 | static int | |
da0436e9 | 9974 | lpfc_pci_resume_one_s4(struct pci_dev *pdev) |
3a55b532 JS |
9975 | { |
9976 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9977 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
5b75da2f | 9978 | uint32_t intr_mode; |
3a55b532 JS |
9979 | int error; |
9980 | ||
9981 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
da0436e9 | 9982 | "0292 PCI device Power Management resume.\n"); |
3a55b532 JS |
9983 | |
9984 | /* Restore device state from PCI config space */ | |
9985 | pci_set_power_state(pdev, PCI_D0); | |
9986 | pci_restore_state(pdev); | |
1dfb5a47 JS |
9987 | |
9988 | /* | |
9989 | * As the new kernel behavior of pci_restore_state() API call clears | |
9990 | * device saved_state flag, need to save the restored state again. | |
9991 | */ | |
9992 | pci_save_state(pdev); | |
9993 | ||
3a55b532 JS |
9994 | if (pdev->is_busmaster) |
9995 | pci_set_master(pdev); | |
9996 | ||
da0436e9 | 9997 | /* Startup the kernel thread for this host adapter. */ |
3a55b532 JS |
9998 | phba->worker_thread = kthread_run(lpfc_do_work, phba, |
9999 | "lpfc_worker_%d", phba->brd_no); | |
10000 | if (IS_ERR(phba->worker_thread)) { | |
10001 | error = PTR_ERR(phba->worker_thread); | |
10002 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 10003 | "0293 PM resume failed to start worker " |
3a55b532 JS |
10004 | "thread: error=x%x.\n", error); |
10005 | return error; | |
10006 | } | |
10007 | ||
5b75da2f | 10008 | /* Configure and enable interrupt */ |
da0436e9 | 10009 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); |
5b75da2f | 10010 | if (intr_mode == LPFC_INTR_ERROR) { |
3a55b532 | 10011 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 10012 | "0294 PM resume Failed to enable interrupt\n"); |
5b75da2f JS |
10013 | return -EIO; |
10014 | } else | |
10015 | phba->intr_mode = intr_mode; | |
3a55b532 JS |
10016 | |
10017 | /* Restart HBA and bring it online */ | |
10018 | lpfc_sli_brdrestart(phba); | |
10019 | lpfc_online(phba); | |
10020 | ||
5b75da2f JS |
10021 | /* Log the current active interrupt mode */ |
10022 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
10023 | ||
3a55b532 JS |
10024 | return 0; |
10025 | } | |
10026 | ||
75baf696 JS |
10027 | /** |
10028 | * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover | |
10029 | * @phba: pointer to lpfc hba data structure. | |
10030 | * | |
10031 | * This routine is called to prepare the SLI4 device for PCI slot recover. It | |
10032 | * aborts all the outstanding SCSI I/Os to the pci device. | |
10033 | **/ | |
10034 | static void | |
10035 | lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba) | |
10036 | { | |
10037 | struct lpfc_sli *psli = &phba->sli; | |
10038 | struct lpfc_sli_ring *pring; | |
10039 | ||
10040 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10041 | "2828 PCI channel I/O abort preparing for recovery\n"); | |
10042 | /* | |
10043 | * There may be errored I/Os through HBA, abort all I/Os on txcmplq | |
10044 | * and let the SCSI mid-layer to retry them to recover. | |
10045 | */ | |
10046 | pring = &psli->ring[psli->fcp_ring]; | |
10047 | lpfc_sli_abort_iocb_ring(phba, pring); | |
10048 | } | |
10049 | ||
10050 | /** | |
10051 | * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset | |
10052 | * @phba: pointer to lpfc hba data structure. | |
10053 | * | |
10054 | * This routine is called to prepare the SLI4 device for PCI slot reset. It | |
10055 | * disables the device interrupt and pci device, and aborts the internal FCP | |
10056 | * pending I/Os. | |
10057 | **/ | |
10058 | static void | |
10059 | lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba) | |
10060 | { | |
10061 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10062 | "2826 PCI channel disable preparing for reset\n"); | |
10063 | ||
10064 | /* Block any management I/Os to the device */ | |
618a5230 | 10065 | lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT); |
75baf696 JS |
10066 | |
10067 | /* Block all SCSI devices' I/Os on the host */ | |
10068 | lpfc_scsi_dev_block(phba); | |
10069 | ||
10070 | /* stop all timers */ | |
10071 | lpfc_stop_hba_timers(phba); | |
10072 | ||
10073 | /* Disable interrupt and pci device */ | |
10074 | lpfc_sli4_disable_intr(phba); | |
5350d872 | 10075 | lpfc_sli4_queue_destroy(phba); |
75baf696 JS |
10076 | pci_disable_device(phba->pcidev); |
10077 | ||
10078 | /* Flush all driver's outstanding SCSI I/Os as we are to reset */ | |
10079 | lpfc_sli_flush_fcp_rings(phba); | |
10080 | } | |
10081 | ||
10082 | /** | |
10083 | * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable | |
10084 | * @phba: pointer to lpfc hba data structure. | |
10085 | * | |
10086 | * This routine is called to prepare the SLI4 device for PCI slot permanently | |
10087 | * disabling. It blocks the SCSI transport layer traffic and flushes the FCP | |
10088 | * pending I/Os. | |
10089 | **/ | |
10090 | static void | |
10091 | lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba) | |
10092 | { | |
10093 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10094 | "2827 PCI channel permanent disable for failure\n"); | |
10095 | ||
10096 | /* Block all SCSI devices' I/Os on the host */ | |
10097 | lpfc_scsi_dev_block(phba); | |
10098 | ||
10099 | /* stop all timers */ | |
10100 | lpfc_stop_hba_timers(phba); | |
10101 | ||
10102 | /* Clean up all driver's outstanding SCSI I/Os */ | |
10103 | lpfc_sli_flush_fcp_rings(phba); | |
10104 | } | |
10105 | ||
8d63f375 | 10106 | /** |
da0436e9 | 10107 | * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device |
e59058c4 JS |
10108 | * @pdev: pointer to PCI device. |
10109 | * @state: the current PCI connection state. | |
8d63f375 | 10110 | * |
da0436e9 JS |
10111 | * This routine is called from the PCI subsystem for error handling to device |
10112 | * with SLI-4 interface spec. This function is called by the PCI subsystem | |
10113 | * after a PCI bus error affecting this device has been detected. When this | |
10114 | * function is invoked, it will need to stop all the I/Os and interrupt(s) | |
10115 | * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET | |
10116 | * for the PCI subsystem to perform proper recovery as desired. | |
e59058c4 JS |
10117 | * |
10118 | * Return codes | |
3772a991 JS |
10119 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery |
10120 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
e59058c4 | 10121 | **/ |
3772a991 | 10122 | static pci_ers_result_t |
da0436e9 | 10123 | lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state) |
8d63f375 | 10124 | { |
75baf696 JS |
10125 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
10126 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10127 | ||
10128 | switch (state) { | |
10129 | case pci_channel_io_normal: | |
10130 | /* Non-fatal error, prepare for recovery */ | |
10131 | lpfc_sli4_prep_dev_for_recover(phba); | |
10132 | return PCI_ERS_RESULT_CAN_RECOVER; | |
10133 | case pci_channel_io_frozen: | |
10134 | /* Fatal error, prepare for slot reset */ | |
10135 | lpfc_sli4_prep_dev_for_reset(phba); | |
10136 | return PCI_ERS_RESULT_NEED_RESET; | |
10137 | case pci_channel_io_perm_failure: | |
10138 | /* Permanent failure, prepare for device down */ | |
10139 | lpfc_sli4_prep_dev_for_perm_failure(phba); | |
10140 | return PCI_ERS_RESULT_DISCONNECT; | |
10141 | default: | |
10142 | /* Unknown state, prepare and request slot reset */ | |
10143 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10144 | "2825 Unknown PCI error state: x%x\n", state); | |
10145 | lpfc_sli4_prep_dev_for_reset(phba); | |
10146 | return PCI_ERS_RESULT_NEED_RESET; | |
10147 | } | |
8d63f375 LV |
10148 | } |
10149 | ||
10150 | /** | |
da0436e9 | 10151 | * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch |
e59058c4 JS |
10152 | * @pdev: pointer to PCI device. |
10153 | * | |
da0436e9 JS |
10154 | * This routine is called from the PCI subsystem for error handling to device |
10155 | * with SLI-4 interface spec. It is called after PCI bus has been reset to | |
10156 | * restart the PCI card from scratch, as if from a cold-boot. During the | |
10157 | * PCI subsystem error recovery, after the driver returns | |
3772a991 | 10158 | * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error |
da0436e9 JS |
10159 | * recovery and then call this routine before calling the .resume method to |
10160 | * recover the device. This function will initialize the HBA device, enable | |
10161 | * the interrupt, but it will just put the HBA to offline state without | |
10162 | * passing any I/O traffic. | |
8d63f375 | 10163 | * |
e59058c4 | 10164 | * Return codes |
3772a991 JS |
10165 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered |
10166 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
8d63f375 | 10167 | */ |
3772a991 | 10168 | static pci_ers_result_t |
da0436e9 | 10169 | lpfc_io_slot_reset_s4(struct pci_dev *pdev) |
8d63f375 | 10170 | { |
75baf696 JS |
10171 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
10172 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10173 | struct lpfc_sli *psli = &phba->sli; | |
10174 | uint32_t intr_mode; | |
10175 | ||
10176 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
10177 | if (pci_enable_device_mem(pdev)) { | |
10178 | printk(KERN_ERR "lpfc: Cannot re-enable " | |
10179 | "PCI device after reset.\n"); | |
10180 | return PCI_ERS_RESULT_DISCONNECT; | |
10181 | } | |
10182 | ||
10183 | pci_restore_state(pdev); | |
0a96e975 JS |
10184 | |
10185 | /* | |
10186 | * As the new kernel behavior of pci_restore_state() API call clears | |
10187 | * device saved_state flag, need to save the restored state again. | |
10188 | */ | |
10189 | pci_save_state(pdev); | |
10190 | ||
75baf696 JS |
10191 | if (pdev->is_busmaster) |
10192 | pci_set_master(pdev); | |
10193 | ||
10194 | spin_lock_irq(&phba->hbalock); | |
10195 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
10196 | spin_unlock_irq(&phba->hbalock); | |
10197 | ||
10198 | /* Configure and enable interrupt */ | |
10199 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); | |
10200 | if (intr_mode == LPFC_INTR_ERROR) { | |
10201 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10202 | "2824 Cannot re-enable interrupt after " | |
10203 | "slot reset.\n"); | |
10204 | return PCI_ERS_RESULT_DISCONNECT; | |
10205 | } else | |
10206 | phba->intr_mode = intr_mode; | |
10207 | ||
10208 | /* Log the current active interrupt mode */ | |
10209 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
10210 | ||
8d63f375 LV |
10211 | return PCI_ERS_RESULT_RECOVERED; |
10212 | } | |
10213 | ||
10214 | /** | |
da0436e9 | 10215 | * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device |
e59058c4 | 10216 | * @pdev: pointer to PCI device |
8d63f375 | 10217 | * |
3772a991 | 10218 | * This routine is called from the PCI subsystem for error handling to device |
da0436e9 | 10219 | * with SLI-4 interface spec. It is called when kernel error recovery tells |
3772a991 JS |
10220 | * the lpfc driver that it is ok to resume normal PCI operation after PCI bus |
10221 | * error recovery. After this call, traffic can start to flow from this device | |
10222 | * again. | |
da0436e9 | 10223 | **/ |
3772a991 | 10224 | static void |
da0436e9 | 10225 | lpfc_io_resume_s4(struct pci_dev *pdev) |
8d63f375 | 10226 | { |
75baf696 JS |
10227 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
10228 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10229 | ||
10230 | /* | |
10231 | * In case of slot reset, as function reset is performed through | |
10232 | * mailbox command which needs DMA to be enabled, this operation | |
10233 | * has to be moved to the io resume phase. Taking device offline | |
10234 | * will perform the necessary cleanup. | |
10235 | */ | |
10236 | if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) { | |
10237 | /* Perform device reset */ | |
618a5230 | 10238 | lpfc_offline_prep(phba, LPFC_MBX_WAIT); |
75baf696 JS |
10239 | lpfc_offline(phba); |
10240 | lpfc_sli_brdrestart(phba); | |
10241 | /* Bring the device back online */ | |
10242 | lpfc_online(phba); | |
10243 | } | |
10244 | ||
10245 | /* Clean up Advanced Error Reporting (AER) if needed */ | |
10246 | if (phba->hba_flag & HBA_AER_ENABLED) | |
10247 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
8d63f375 LV |
10248 | } |
10249 | ||
3772a991 JS |
10250 | /** |
10251 | * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem | |
10252 | * @pdev: pointer to PCI device | |
10253 | * @pid: pointer to PCI device identifier | |
10254 | * | |
10255 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
10256 | * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks | |
10257 | * at PCI device-specific information of the device and driver to see if the | |
10258 | * driver state that it can support this kind of device. If the match is | |
10259 | * successful, the driver core invokes this routine. This routine dispatches | |
10260 | * the action to the proper SLI-3 or SLI-4 device probing routine, which will | |
10261 | * do all the initialization that it needs to do to handle the HBA device | |
10262 | * properly. | |
10263 | * | |
10264 | * Return code | |
10265 | * 0 - driver can claim the device | |
10266 | * negative value - driver can not claim the device | |
10267 | **/ | |
6f039790 | 10268 | static int |
3772a991 JS |
10269 | lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) |
10270 | { | |
10271 | int rc; | |
8fa38513 | 10272 | struct lpfc_sli_intf intf; |
3772a991 | 10273 | |
28baac74 | 10274 | if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0)) |
3772a991 JS |
10275 | return -ENODEV; |
10276 | ||
8fa38513 | 10277 | if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) && |
28baac74 | 10278 | (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4)) |
da0436e9 | 10279 | rc = lpfc_pci_probe_one_s4(pdev, pid); |
8fa38513 | 10280 | else |
3772a991 | 10281 | rc = lpfc_pci_probe_one_s3(pdev, pid); |
8fa38513 | 10282 | |
3772a991 JS |
10283 | return rc; |
10284 | } | |
10285 | ||
10286 | /** | |
10287 | * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem | |
10288 | * @pdev: pointer to PCI device | |
10289 | * | |
10290 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
10291 | * Emulex HBA is removed from PCI bus, the driver core invokes this routine. | |
10292 | * This routine dispatches the action to the proper SLI-3 or SLI-4 device | |
10293 | * remove routine, which will perform all the necessary cleanup for the | |
10294 | * device to be removed from the PCI subsystem properly. | |
10295 | **/ | |
6f039790 | 10296 | static void |
3772a991 JS |
10297 | lpfc_pci_remove_one(struct pci_dev *pdev) |
10298 | { | |
10299 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10300 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10301 | ||
10302 | switch (phba->pci_dev_grp) { | |
10303 | case LPFC_PCI_DEV_LP: | |
10304 | lpfc_pci_remove_one_s3(pdev); | |
10305 | break; | |
da0436e9 JS |
10306 | case LPFC_PCI_DEV_OC: |
10307 | lpfc_pci_remove_one_s4(pdev); | |
10308 | break; | |
3772a991 JS |
10309 | default: |
10310 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10311 | "1424 Invalid PCI device group: 0x%x\n", | |
10312 | phba->pci_dev_grp); | |
10313 | break; | |
10314 | } | |
10315 | return; | |
10316 | } | |
10317 | ||
10318 | /** | |
10319 | * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management | |
10320 | * @pdev: pointer to PCI device | |
10321 | * @msg: power management message | |
10322 | * | |
10323 | * This routine is to be registered to the kernel's PCI subsystem to support | |
10324 | * system Power Management (PM). When PM invokes this method, it dispatches | |
10325 | * the action to the proper SLI-3 or SLI-4 device suspend routine, which will | |
10326 | * suspend the device. | |
10327 | * | |
10328 | * Return code | |
10329 | * 0 - driver suspended the device | |
10330 | * Error otherwise | |
10331 | **/ | |
10332 | static int | |
10333 | lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg) | |
10334 | { | |
10335 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10336 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10337 | int rc = -ENODEV; | |
10338 | ||
10339 | switch (phba->pci_dev_grp) { | |
10340 | case LPFC_PCI_DEV_LP: | |
10341 | rc = lpfc_pci_suspend_one_s3(pdev, msg); | |
10342 | break; | |
da0436e9 JS |
10343 | case LPFC_PCI_DEV_OC: |
10344 | rc = lpfc_pci_suspend_one_s4(pdev, msg); | |
10345 | break; | |
3772a991 JS |
10346 | default: |
10347 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10348 | "1425 Invalid PCI device group: 0x%x\n", | |
10349 | phba->pci_dev_grp); | |
10350 | break; | |
10351 | } | |
10352 | return rc; | |
10353 | } | |
10354 | ||
10355 | /** | |
10356 | * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management | |
10357 | * @pdev: pointer to PCI device | |
10358 | * | |
10359 | * This routine is to be registered to the kernel's PCI subsystem to support | |
10360 | * system Power Management (PM). When PM invokes this method, it dispatches | |
10361 | * the action to the proper SLI-3 or SLI-4 device resume routine, which will | |
10362 | * resume the device. | |
10363 | * | |
10364 | * Return code | |
10365 | * 0 - driver suspended the device | |
10366 | * Error otherwise | |
10367 | **/ | |
10368 | static int | |
10369 | lpfc_pci_resume_one(struct pci_dev *pdev) | |
10370 | { | |
10371 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10372 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10373 | int rc = -ENODEV; | |
10374 | ||
10375 | switch (phba->pci_dev_grp) { | |
10376 | case LPFC_PCI_DEV_LP: | |
10377 | rc = lpfc_pci_resume_one_s3(pdev); | |
10378 | break; | |
da0436e9 JS |
10379 | case LPFC_PCI_DEV_OC: |
10380 | rc = lpfc_pci_resume_one_s4(pdev); | |
10381 | break; | |
3772a991 JS |
10382 | default: |
10383 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10384 | "1426 Invalid PCI device group: 0x%x\n", | |
10385 | phba->pci_dev_grp); | |
10386 | break; | |
10387 | } | |
10388 | return rc; | |
10389 | } | |
10390 | ||
10391 | /** | |
10392 | * lpfc_io_error_detected - lpfc method for handling PCI I/O error | |
10393 | * @pdev: pointer to PCI device. | |
10394 | * @state: the current PCI connection state. | |
10395 | * | |
10396 | * This routine is registered to the PCI subsystem for error handling. This | |
10397 | * function is called by the PCI subsystem after a PCI bus error affecting | |
10398 | * this device has been detected. When this routine is invoked, it dispatches | |
10399 | * the action to the proper SLI-3 or SLI-4 device error detected handling | |
10400 | * routine, which will perform the proper error detected operation. | |
10401 | * | |
10402 | * Return codes | |
10403 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery | |
10404 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
10405 | **/ | |
10406 | static pci_ers_result_t | |
10407 | lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
10408 | { | |
10409 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10410 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10411 | pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; | |
10412 | ||
10413 | switch (phba->pci_dev_grp) { | |
10414 | case LPFC_PCI_DEV_LP: | |
10415 | rc = lpfc_io_error_detected_s3(pdev, state); | |
10416 | break; | |
da0436e9 JS |
10417 | case LPFC_PCI_DEV_OC: |
10418 | rc = lpfc_io_error_detected_s4(pdev, state); | |
10419 | break; | |
3772a991 JS |
10420 | default: |
10421 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10422 | "1427 Invalid PCI device group: 0x%x\n", | |
10423 | phba->pci_dev_grp); | |
10424 | break; | |
10425 | } | |
10426 | return rc; | |
10427 | } | |
10428 | ||
10429 | /** | |
10430 | * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch | |
10431 | * @pdev: pointer to PCI device. | |
10432 | * | |
10433 | * This routine is registered to the PCI subsystem for error handling. This | |
10434 | * function is called after PCI bus has been reset to restart the PCI card | |
10435 | * from scratch, as if from a cold-boot. When this routine is invoked, it | |
10436 | * dispatches the action to the proper SLI-3 or SLI-4 device reset handling | |
10437 | * routine, which will perform the proper device reset. | |
10438 | * | |
10439 | * Return codes | |
10440 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
10441 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
10442 | **/ | |
10443 | static pci_ers_result_t | |
10444 | lpfc_io_slot_reset(struct pci_dev *pdev) | |
10445 | { | |
10446 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10447 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10448 | pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; | |
10449 | ||
10450 | switch (phba->pci_dev_grp) { | |
10451 | case LPFC_PCI_DEV_LP: | |
10452 | rc = lpfc_io_slot_reset_s3(pdev); | |
10453 | break; | |
da0436e9 JS |
10454 | case LPFC_PCI_DEV_OC: |
10455 | rc = lpfc_io_slot_reset_s4(pdev); | |
10456 | break; | |
3772a991 JS |
10457 | default: |
10458 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10459 | "1428 Invalid PCI device group: 0x%x\n", | |
10460 | phba->pci_dev_grp); | |
10461 | break; | |
10462 | } | |
10463 | return rc; | |
10464 | } | |
10465 | ||
10466 | /** | |
10467 | * lpfc_io_resume - lpfc method for resuming PCI I/O operation | |
10468 | * @pdev: pointer to PCI device | |
10469 | * | |
10470 | * This routine is registered to the PCI subsystem for error handling. It | |
10471 | * is called when kernel error recovery tells the lpfc driver that it is | |
10472 | * OK to resume normal PCI operation after PCI bus error recovery. When | |
10473 | * this routine is invoked, it dispatches the action to the proper SLI-3 | |
10474 | * or SLI-4 device io_resume routine, which will resume the device operation. | |
10475 | **/ | |
10476 | static void | |
10477 | lpfc_io_resume(struct pci_dev *pdev) | |
10478 | { | |
10479 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
10480 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
10481 | ||
10482 | switch (phba->pci_dev_grp) { | |
10483 | case LPFC_PCI_DEV_LP: | |
10484 | lpfc_io_resume_s3(pdev); | |
10485 | break; | |
da0436e9 JS |
10486 | case LPFC_PCI_DEV_OC: |
10487 | lpfc_io_resume_s4(pdev); | |
10488 | break; | |
3772a991 JS |
10489 | default: |
10490 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10491 | "1429 Invalid PCI device group: 0x%x\n", | |
10492 | phba->pci_dev_grp); | |
10493 | break; | |
10494 | } | |
10495 | return; | |
10496 | } | |
10497 | ||
3ef6d24c JS |
10498 | /** |
10499 | * lpfc_mgmt_open - method called when 'lpfcmgmt' is opened from userspace | |
10500 | * @inode: pointer to the inode representing the lpfcmgmt device | |
10501 | * @filep: pointer to the file representing the open lpfcmgmt device | |
10502 | * | |
10503 | * This routine puts a reference count on the lpfc module whenever the | |
10504 | * character device is opened | |
10505 | **/ | |
10506 | static int | |
10507 | lpfc_mgmt_open(struct inode *inode, struct file *filep) | |
10508 | { | |
10509 | try_module_get(THIS_MODULE); | |
10510 | return 0; | |
10511 | } | |
10512 | ||
10513 | /** | |
10514 | * lpfc_mgmt_release - method called when 'lpfcmgmt' is closed in userspace | |
10515 | * @inode: pointer to the inode representing the lpfcmgmt device | |
10516 | * @filep: pointer to the file representing the open lpfcmgmt device | |
10517 | * | |
10518 | * This routine removes a reference count from the lpfc module when the | |
10519 | * character device is closed | |
10520 | **/ | |
10521 | static int | |
10522 | lpfc_mgmt_release(struct inode *inode, struct file *filep) | |
10523 | { | |
10524 | module_put(THIS_MODULE); | |
10525 | return 0; | |
10526 | } | |
10527 | ||
dea3101e | 10528 | static struct pci_device_id lpfc_id_table[] = { |
10529 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, | |
10530 | PCI_ANY_ID, PCI_ANY_ID, }, | |
06325e74 JSEC |
10531 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, |
10532 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 10533 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, |
10534 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10535 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, | |
10536 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10537 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, | |
10538 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10539 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, | |
10540 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10541 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, | |
10542 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10543 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, | |
10544 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10545 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, | |
10546 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
10547 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, |
10548 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10549 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, | |
10550 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10551 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, | |
10552 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 10553 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, |
10554 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
10555 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, |
10556 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10557 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, | |
10558 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 10559 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, |
10560 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10561 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, | |
10562 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10563 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, | |
10564 | PCI_ANY_ID, PCI_ANY_ID, }, | |
84774a4d JS |
10565 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET, |
10566 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
10567 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, |
10568 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10569 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, | |
10570 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 10571 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, |
10572 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10573 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, | |
10574 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10575 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, | |
10576 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10577 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, | |
10578 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10579 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, | |
10580 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
10581 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, |
10582 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10583 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, | |
10584 | PCI_ANY_ID, PCI_ANY_ID, }, | |
b87eab38 JS |
10585 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, |
10586 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10587 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, | |
10588 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10589 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, | |
10590 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10591 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, | |
10592 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10593 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, | |
10594 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10595 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, | |
10596 | PCI_ANY_ID, PCI_ANY_ID, }, | |
84774a4d JS |
10597 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF, |
10598 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10599 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF, | |
10600 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10601 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S, | |
10602 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3772a991 JS |
10603 | {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK, |
10604 | PCI_ANY_ID, PCI_ANY_ID, }, | |
a747c9ce JS |
10605 | {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TOMCAT, |
10606 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10607 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FALCON, | |
6669f9bb | 10608 | PCI_ANY_ID, PCI_ANY_ID, }, |
98fc5dd9 JS |
10609 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BALIUS, |
10610 | PCI_ANY_ID, PCI_ANY_ID, }, | |
085c647c JS |
10611 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC, |
10612 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10613 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE, | |
10614 | PCI_ANY_ID, PCI_ANY_ID, }, | |
c0c11512 JS |
10615 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC_VF, |
10616 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10617 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE_VF, | |
10618 | PCI_ANY_ID, PCI_ANY_ID, }, | |
f8cafd38 JS |
10619 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK, |
10620 | PCI_ANY_ID, PCI_ANY_ID, }, | |
10621 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK_VF, | |
10622 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 10623 | { 0 } |
10624 | }; | |
10625 | ||
10626 | MODULE_DEVICE_TABLE(pci, lpfc_id_table); | |
10627 | ||
a55b2d21 | 10628 | static const struct pci_error_handlers lpfc_err_handler = { |
8d63f375 LV |
10629 | .error_detected = lpfc_io_error_detected, |
10630 | .slot_reset = lpfc_io_slot_reset, | |
10631 | .resume = lpfc_io_resume, | |
10632 | }; | |
10633 | ||
dea3101e | 10634 | static struct pci_driver lpfc_driver = { |
10635 | .name = LPFC_DRIVER_NAME, | |
10636 | .id_table = lpfc_id_table, | |
10637 | .probe = lpfc_pci_probe_one, | |
6f039790 | 10638 | .remove = lpfc_pci_remove_one, |
3a55b532 | 10639 | .suspend = lpfc_pci_suspend_one, |
3772a991 | 10640 | .resume = lpfc_pci_resume_one, |
2e0fef85 | 10641 | .err_handler = &lpfc_err_handler, |
dea3101e | 10642 | }; |
10643 | ||
3ef6d24c JS |
10644 | static const struct file_operations lpfc_mgmt_fop = { |
10645 | .open = lpfc_mgmt_open, | |
10646 | .release = lpfc_mgmt_release, | |
10647 | }; | |
10648 | ||
10649 | static struct miscdevice lpfc_mgmt_dev = { | |
10650 | .minor = MISC_DYNAMIC_MINOR, | |
10651 | .name = "lpfcmgmt", | |
10652 | .fops = &lpfc_mgmt_fop, | |
10653 | }; | |
10654 | ||
e59058c4 | 10655 | /** |
3621a710 | 10656 | * lpfc_init - lpfc module initialization routine |
e59058c4 JS |
10657 | * |
10658 | * This routine is to be invoked when the lpfc module is loaded into the | |
10659 | * kernel. The special kernel macro module_init() is used to indicate the | |
10660 | * role of this routine to the kernel as lpfc module entry point. | |
10661 | * | |
10662 | * Return codes | |
10663 | * 0 - successful | |
10664 | * -ENOMEM - FC attach transport failed | |
10665 | * all others - failed | |
10666 | */ | |
dea3101e | 10667 | static int __init |
10668 | lpfc_init(void) | |
10669 | { | |
10670 | int error = 0; | |
10671 | ||
10672 | printk(LPFC_MODULE_DESC "\n"); | |
c44ce173 | 10673 | printk(LPFC_COPYRIGHT "\n"); |
dea3101e | 10674 | |
3ef6d24c JS |
10675 | error = misc_register(&lpfc_mgmt_dev); |
10676 | if (error) | |
10677 | printk(KERN_ERR "Could not register lpfcmgmt device, " | |
10678 | "misc_register returned with status %d", error); | |
10679 | ||
7ee5d43e JS |
10680 | if (lpfc_enable_npiv) { |
10681 | lpfc_transport_functions.vport_create = lpfc_vport_create; | |
10682 | lpfc_transport_functions.vport_delete = lpfc_vport_delete; | |
10683 | } | |
dea3101e | 10684 | lpfc_transport_template = |
10685 | fc_attach_transport(&lpfc_transport_functions); | |
7ee5d43e | 10686 | if (lpfc_transport_template == NULL) |
dea3101e | 10687 | return -ENOMEM; |
7ee5d43e | 10688 | if (lpfc_enable_npiv) { |
7ee5d43e | 10689 | lpfc_vport_transport_template = |
98c9ea5c JS |
10690 | fc_attach_transport(&lpfc_vport_transport_functions); |
10691 | if (lpfc_vport_transport_template == NULL) { | |
10692 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e | 10693 | return -ENOMEM; |
98c9ea5c | 10694 | } |
7ee5d43e | 10695 | } |
dea3101e | 10696 | error = pci_register_driver(&lpfc_driver); |
92d7f7b0 | 10697 | if (error) { |
dea3101e | 10698 | fc_release_transport(lpfc_transport_template); |
d7c255b2 JS |
10699 | if (lpfc_enable_npiv) |
10700 | fc_release_transport(lpfc_vport_transport_template); | |
92d7f7b0 | 10701 | } |
dea3101e | 10702 | |
10703 | return error; | |
10704 | } | |
10705 | ||
e59058c4 | 10706 | /** |
3621a710 | 10707 | * lpfc_exit - lpfc module removal routine |
e59058c4 JS |
10708 | * |
10709 | * This routine is invoked when the lpfc module is removed from the kernel. | |
10710 | * The special kernel macro module_exit() is used to indicate the role of | |
10711 | * this routine to the kernel as lpfc module exit point. | |
10712 | */ | |
dea3101e | 10713 | static void __exit |
10714 | lpfc_exit(void) | |
10715 | { | |
3ef6d24c | 10716 | misc_deregister(&lpfc_mgmt_dev); |
dea3101e | 10717 | pci_unregister_driver(&lpfc_driver); |
10718 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e JS |
10719 | if (lpfc_enable_npiv) |
10720 | fc_release_transport(lpfc_vport_transport_template); | |
81301a9b | 10721 | if (_dump_buf_data) { |
6a9c52cf JS |
10722 | printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for " |
10723 | "_dump_buf_data at 0x%p\n", | |
81301a9b JS |
10724 | (1L << _dump_buf_data_order), _dump_buf_data); |
10725 | free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order); | |
10726 | } | |
10727 | ||
10728 | if (_dump_buf_dif) { | |
6a9c52cf JS |
10729 | printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for " |
10730 | "_dump_buf_dif at 0x%p\n", | |
81301a9b JS |
10731 | (1L << _dump_buf_dif_order), _dump_buf_dif); |
10732 | free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order); | |
10733 | } | |
dea3101e | 10734 | } |
10735 | ||
10736 | module_init(lpfc_init); | |
10737 | module_exit(lpfc_exit); | |
10738 | MODULE_LICENSE("GPL"); | |
10739 | MODULE_DESCRIPTION(LPFC_MODULE_DESC); | |
10740 | MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); | |
10741 | MODULE_VERSION("0:" LPFC_DRIVER_VERSION); |