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. * |
d8e93df1 | 4 | * Copyright (C) 2004-2009 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> | |
27 | #include <linux/kthread.h> | |
28 | #include <linux/pci.h> | |
29 | #include <linux/spinlock.h> | |
92d7f7b0 | 30 | #include <linux/ctype.h> |
0d878419 | 31 | #include <linux/aer.h> |
dea3101e | 32 | |
91886523 | 33 | #include <scsi/scsi.h> |
dea3101e | 34 | #include <scsi/scsi_device.h> |
35 | #include <scsi/scsi_host.h> | |
36 | #include <scsi/scsi_transport_fc.h> | |
37 | ||
da0436e9 | 38 | #include "lpfc_hw4.h" |
dea3101e | 39 | #include "lpfc_hw.h" |
40 | #include "lpfc_sli.h" | |
da0436e9 | 41 | #include "lpfc_sli4.h" |
ea2151b4 | 42 | #include "lpfc_nl.h" |
dea3101e | 43 | #include "lpfc_disc.h" |
44 | #include "lpfc_scsi.h" | |
45 | #include "lpfc.h" | |
46 | #include "lpfc_logmsg.h" | |
47 | #include "lpfc_crtn.h" | |
92d7f7b0 | 48 | #include "lpfc_vport.h" |
dea3101e | 49 | #include "lpfc_version.h" |
50 | ||
81301a9b JS |
51 | char *_dump_buf_data; |
52 | unsigned long _dump_buf_data_order; | |
53 | char *_dump_buf_dif; | |
54 | unsigned long _dump_buf_dif_order; | |
55 | spinlock_t _dump_buf_lock; | |
56 | ||
dea3101e | 57 | static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); |
58 | static int lpfc_post_rcv_buf(struct lpfc_hba *); | |
da0436e9 JS |
59 | static int lpfc_sli4_queue_create(struct lpfc_hba *); |
60 | static void lpfc_sli4_queue_destroy(struct lpfc_hba *); | |
61 | static int lpfc_create_bootstrap_mbox(struct lpfc_hba *); | |
62 | static int lpfc_setup_endian_order(struct lpfc_hba *); | |
63 | static int lpfc_sli4_read_config(struct lpfc_hba *); | |
64 | static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *); | |
65 | static void lpfc_free_sgl_list(struct lpfc_hba *); | |
66 | static int lpfc_init_sgl_list(struct lpfc_hba *); | |
67 | static int lpfc_init_active_sgl_array(struct lpfc_hba *); | |
68 | static void lpfc_free_active_sgl(struct lpfc_hba *); | |
69 | static int lpfc_hba_down_post_s3(struct lpfc_hba *phba); | |
70 | static int lpfc_hba_down_post_s4(struct lpfc_hba *phba); | |
71 | static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *); | |
72 | static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *); | |
73 | static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *); | |
dea3101e | 74 | |
75 | static struct scsi_transport_template *lpfc_transport_template = NULL; | |
92d7f7b0 | 76 | static struct scsi_transport_template *lpfc_vport_transport_template = NULL; |
dea3101e | 77 | static DEFINE_IDR(lpfc_hba_index); |
78 | ||
e59058c4 | 79 | /** |
3621a710 | 80 | * lpfc_config_port_prep - Perform lpfc initialization prior to config port |
e59058c4 JS |
81 | * @phba: pointer to lpfc hba data structure. |
82 | * | |
83 | * This routine will do LPFC initialization prior to issuing the CONFIG_PORT | |
84 | * mailbox command. It retrieves the revision information from the HBA and | |
85 | * collects the Vital Product Data (VPD) about the HBA for preparing the | |
86 | * configuration of the HBA. | |
87 | * | |
88 | * Return codes: | |
89 | * 0 - success. | |
90 | * -ERESTART - requests the SLI layer to reset the HBA and try again. | |
91 | * Any other value - indicates an error. | |
92 | **/ | |
dea3101e | 93 | int |
2e0fef85 | 94 | lpfc_config_port_prep(struct lpfc_hba *phba) |
dea3101e | 95 | { |
96 | lpfc_vpd_t *vp = &phba->vpd; | |
97 | int i = 0, rc; | |
98 | LPFC_MBOXQ_t *pmb; | |
99 | MAILBOX_t *mb; | |
100 | char *lpfc_vpd_data = NULL; | |
101 | uint16_t offset = 0; | |
102 | static char licensed[56] = | |
103 | "key unlock for use with gnu public licensed code only\0"; | |
65a29c16 | 104 | static int init_key = 1; |
dea3101e | 105 | |
106 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
107 | if (!pmb) { | |
2e0fef85 | 108 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 109 | return -ENOMEM; |
110 | } | |
111 | ||
04c68496 | 112 | mb = &pmb->u.mb; |
2e0fef85 | 113 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e | 114 | |
115 | if (lpfc_is_LC_HBA(phba->pcidev->device)) { | |
65a29c16 JS |
116 | if (init_key) { |
117 | uint32_t *ptext = (uint32_t *) licensed; | |
dea3101e | 118 | |
65a29c16 JS |
119 | for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) |
120 | *ptext = cpu_to_be32(*ptext); | |
121 | init_key = 0; | |
122 | } | |
dea3101e | 123 | |
124 | lpfc_read_nv(phba, pmb); | |
125 | memset((char*)mb->un.varRDnvp.rsvd3, 0, | |
126 | sizeof (mb->un.varRDnvp.rsvd3)); | |
127 | memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, | |
128 | sizeof (licensed)); | |
129 | ||
130 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
131 | ||
132 | if (rc != MBX_SUCCESS) { | |
ed957684 | 133 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
e8b62011 | 134 | "0324 Config Port initialization " |
dea3101e | 135 | "error, mbxCmd x%x READ_NVPARM, " |
136 | "mbxStatus x%x\n", | |
dea3101e | 137 | mb->mbxCommand, mb->mbxStatus); |
138 | mempool_free(pmb, phba->mbox_mem_pool); | |
139 | return -ERESTART; | |
140 | } | |
141 | memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, | |
2e0fef85 JS |
142 | sizeof(phba->wwnn)); |
143 | memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname, | |
144 | sizeof(phba->wwpn)); | |
dea3101e | 145 | } |
146 | ||
92d7f7b0 JS |
147 | phba->sli3_options = 0x0; |
148 | ||
dea3101e | 149 | /* Setup and issue mailbox READ REV command */ |
150 | lpfc_read_rev(phba, pmb); | |
151 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
152 | if (rc != MBX_SUCCESS) { | |
ed957684 | 153 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 154 | "0439 Adapter failed to init, mbxCmd x%x " |
dea3101e | 155 | "READ_REV, mbxStatus x%x\n", |
dea3101e | 156 | mb->mbxCommand, mb->mbxStatus); |
157 | mempool_free( pmb, phba->mbox_mem_pool); | |
158 | return -ERESTART; | |
159 | } | |
160 | ||
92d7f7b0 | 161 | |
1de933f3 JSEC |
162 | /* |
163 | * The value of rr must be 1 since the driver set the cv field to 1. | |
164 | * This setting requires the FW to set all revision fields. | |
dea3101e | 165 | */ |
1de933f3 | 166 | if (mb->un.varRdRev.rr == 0) { |
dea3101e | 167 | vp->rev.rBit = 0; |
1de933f3 | 168 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 JS |
169 | "0440 Adapter failed to init, READ_REV has " |
170 | "missing revision information.\n"); | |
dea3101e | 171 | mempool_free(pmb, phba->mbox_mem_pool); |
172 | return -ERESTART; | |
dea3101e | 173 | } |
174 | ||
495a714c JS |
175 | if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) { |
176 | mempool_free(pmb, phba->mbox_mem_pool); | |
ed957684 | 177 | return -EINVAL; |
495a714c | 178 | } |
ed957684 | 179 | |
dea3101e | 180 | /* Save information as VPD data */ |
1de933f3 | 181 | vp->rev.rBit = 1; |
92d7f7b0 | 182 | memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t)); |
1de933f3 JSEC |
183 | vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; |
184 | memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); | |
185 | vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; | |
186 | memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); | |
dea3101e | 187 | vp->rev.biuRev = mb->un.varRdRev.biuRev; |
188 | vp->rev.smRev = mb->un.varRdRev.smRev; | |
189 | vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; | |
190 | vp->rev.endecRev = mb->un.varRdRev.endecRev; | |
191 | vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; | |
192 | vp->rev.fcphLow = mb->un.varRdRev.fcphLow; | |
193 | vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; | |
194 | vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; | |
195 | vp->rev.postKernRev = mb->un.varRdRev.postKernRev; | |
196 | vp->rev.opFwRev = mb->un.varRdRev.opFwRev; | |
197 | ||
92d7f7b0 JS |
198 | /* If the sli feature level is less then 9, we must |
199 | * tear down all RPIs and VPIs on link down if NPIV | |
200 | * is enabled. | |
201 | */ | |
202 | if (vp->rev.feaLevelHigh < 9) | |
203 | phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN; | |
204 | ||
dea3101e | 205 | if (lpfc_is_LC_HBA(phba->pcidev->device)) |
206 | memcpy(phba->RandomData, (char *)&mb->un.varWords[24], | |
207 | sizeof (phba->RandomData)); | |
208 | ||
dea3101e | 209 | /* Get adapter VPD information */ |
dea3101e | 210 | lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); |
211 | if (!lpfc_vpd_data) | |
d7c255b2 | 212 | goto out_free_mbox; |
dea3101e | 213 | |
214 | do { | |
a0c87cbd | 215 | lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD); |
dea3101e | 216 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
217 | ||
218 | if (rc != MBX_SUCCESS) { | |
219 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 | 220 | "0441 VPD not present on adapter, " |
dea3101e | 221 | "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", |
dea3101e | 222 | mb->mbxCommand, mb->mbxStatus); |
74b72a59 | 223 | mb->un.varDmp.word_cnt = 0; |
dea3101e | 224 | } |
04c68496 JS |
225 | /* dump mem may return a zero when finished or we got a |
226 | * mailbox error, either way we are done. | |
227 | */ | |
228 | if (mb->un.varDmp.word_cnt == 0) | |
229 | break; | |
74b72a59 JW |
230 | if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) |
231 | mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; | |
d7c255b2 JS |
232 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, |
233 | lpfc_vpd_data + offset, | |
92d7f7b0 | 234 | mb->un.varDmp.word_cnt); |
dea3101e | 235 | offset += mb->un.varDmp.word_cnt; |
74b72a59 JW |
236 | } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); |
237 | lpfc_parse_vpd(phba, lpfc_vpd_data, offset); | |
dea3101e | 238 | |
239 | kfree(lpfc_vpd_data); | |
dea3101e | 240 | out_free_mbox: |
241 | mempool_free(pmb, phba->mbox_mem_pool); | |
242 | return 0; | |
243 | } | |
244 | ||
e59058c4 | 245 | /** |
3621a710 | 246 | * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd |
e59058c4 JS |
247 | * @phba: pointer to lpfc hba data structure. |
248 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
249 | * | |
250 | * This is the completion handler for driver's configuring asynchronous event | |
251 | * mailbox command to the device. If the mailbox command returns successfully, | |
252 | * it will set internal async event support flag to 1; otherwise, it will | |
253 | * set internal async event support flag to 0. | |
254 | **/ | |
57127f15 JS |
255 | static void |
256 | lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
257 | { | |
04c68496 | 258 | if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS) |
57127f15 JS |
259 | phba->temp_sensor_support = 1; |
260 | else | |
261 | phba->temp_sensor_support = 0; | |
262 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
263 | return; | |
264 | } | |
265 | ||
97207482 | 266 | /** |
3621a710 | 267 | * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler |
97207482 JS |
268 | * @phba: pointer to lpfc hba data structure. |
269 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
270 | * | |
271 | * This is the completion handler for dump mailbox command for getting | |
272 | * wake up parameters. When this command complete, the response contain | |
273 | * Option rom version of the HBA. This function translate the version number | |
274 | * into a human readable string and store it in OptionROMVersion. | |
275 | **/ | |
276 | static void | |
277 | lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) | |
278 | { | |
279 | struct prog_id *prg; | |
280 | uint32_t prog_id_word; | |
281 | char dist = ' '; | |
282 | /* character array used for decoding dist type. */ | |
283 | char dist_char[] = "nabx"; | |
284 | ||
04c68496 | 285 | if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) { |
9f1e1b50 | 286 | mempool_free(pmboxq, phba->mbox_mem_pool); |
97207482 | 287 | return; |
9f1e1b50 | 288 | } |
97207482 JS |
289 | |
290 | prg = (struct prog_id *) &prog_id_word; | |
291 | ||
292 | /* word 7 contain option rom version */ | |
04c68496 | 293 | prog_id_word = pmboxq->u.mb.un.varWords[7]; |
97207482 JS |
294 | |
295 | /* Decode the Option rom version word to a readable string */ | |
296 | if (prg->dist < 4) | |
297 | dist = dist_char[prg->dist]; | |
298 | ||
299 | if ((prg->dist == 3) && (prg->num == 0)) | |
300 | sprintf(phba->OptionROMVersion, "%d.%d%d", | |
301 | prg->ver, prg->rev, prg->lev); | |
302 | else | |
303 | sprintf(phba->OptionROMVersion, "%d.%d%d%c%d", | |
304 | prg->ver, prg->rev, prg->lev, | |
305 | dist, prg->num); | |
9f1e1b50 | 306 | mempool_free(pmboxq, phba->mbox_mem_pool); |
97207482 JS |
307 | return; |
308 | } | |
309 | ||
e59058c4 | 310 | /** |
3621a710 | 311 | * lpfc_config_port_post - Perform lpfc initialization after config port |
e59058c4 JS |
312 | * @phba: pointer to lpfc hba data structure. |
313 | * | |
314 | * This routine will do LPFC initialization after the CONFIG_PORT mailbox | |
315 | * command call. It performs all internal resource and state setups on the | |
316 | * port: post IOCB buffers, enable appropriate host interrupt attentions, | |
317 | * ELS ring timers, etc. | |
318 | * | |
319 | * Return codes | |
320 | * 0 - success. | |
321 | * Any other value - error. | |
322 | **/ | |
dea3101e | 323 | int |
2e0fef85 | 324 | lpfc_config_port_post(struct lpfc_hba *phba) |
dea3101e | 325 | { |
2e0fef85 | 326 | struct lpfc_vport *vport = phba->pport; |
a257bf90 | 327 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 328 | LPFC_MBOXQ_t *pmb; |
329 | MAILBOX_t *mb; | |
330 | struct lpfc_dmabuf *mp; | |
331 | struct lpfc_sli *psli = &phba->sli; | |
332 | uint32_t status, timeout; | |
2e0fef85 JS |
333 | int i, j; |
334 | int rc; | |
dea3101e | 335 | |
7af67051 JS |
336 | spin_lock_irq(&phba->hbalock); |
337 | /* | |
338 | * If the Config port completed correctly the HBA is not | |
339 | * over heated any more. | |
340 | */ | |
341 | if (phba->over_temp_state == HBA_OVER_TEMP) | |
342 | phba->over_temp_state = HBA_NORMAL_TEMP; | |
343 | spin_unlock_irq(&phba->hbalock); | |
344 | ||
dea3101e | 345 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
346 | if (!pmb) { | |
2e0fef85 | 347 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 348 | return -ENOMEM; |
349 | } | |
04c68496 | 350 | mb = &pmb->u.mb; |
dea3101e | 351 | |
dea3101e | 352 | /* Get login parameters for NID. */ |
92d7f7b0 | 353 | lpfc_read_sparam(phba, pmb, 0); |
ed957684 | 354 | pmb->vport = vport; |
dea3101e | 355 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 356 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 357 | "0448 Adapter failed init, mbxCmd x%x " |
dea3101e | 358 | "READ_SPARM mbxStatus x%x\n", |
dea3101e | 359 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 360 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 361 | mp = (struct lpfc_dmabuf *) pmb->context1; |
362 | mempool_free( pmb, phba->mbox_mem_pool); | |
363 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
364 | kfree(mp); | |
365 | return -EIO; | |
366 | } | |
367 | ||
368 | mp = (struct lpfc_dmabuf *) pmb->context1; | |
369 | ||
2e0fef85 | 370 | memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); |
dea3101e | 371 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
372 | kfree(mp); | |
373 | pmb->context1 = NULL; | |
374 | ||
a12e07bc | 375 | if (phba->cfg_soft_wwnn) |
2e0fef85 JS |
376 | u64_to_wwn(phba->cfg_soft_wwnn, |
377 | vport->fc_sparam.nodeName.u.wwn); | |
c3f28afa | 378 | if (phba->cfg_soft_wwpn) |
2e0fef85 JS |
379 | u64_to_wwn(phba->cfg_soft_wwpn, |
380 | vport->fc_sparam.portName.u.wwn); | |
381 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, | |
dea3101e | 382 | sizeof (struct lpfc_name)); |
2e0fef85 | 383 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, |
dea3101e | 384 | sizeof (struct lpfc_name)); |
a257bf90 JS |
385 | |
386 | /* Update the fc_host data structures with new wwn. */ | |
387 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); | |
388 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
21e9a0a5 | 389 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
a257bf90 | 390 | |
dea3101e | 391 | /* If no serial number in VPD data, use low 6 bytes of WWNN */ |
392 | /* This should be consolidated into parse_vpd ? - mr */ | |
393 | if (phba->SerialNumber[0] == 0) { | |
394 | uint8_t *outptr; | |
395 | ||
2e0fef85 | 396 | outptr = &vport->fc_nodename.u.s.IEEE[0]; |
dea3101e | 397 | for (i = 0; i < 12; i++) { |
398 | status = *outptr++; | |
399 | j = ((status & 0xf0) >> 4); | |
400 | if (j <= 9) | |
401 | phba->SerialNumber[i] = | |
402 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
403 | else | |
404 | phba->SerialNumber[i] = | |
405 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
406 | i++; | |
407 | j = (status & 0xf); | |
408 | if (j <= 9) | |
409 | phba->SerialNumber[i] = | |
410 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
411 | else | |
412 | phba->SerialNumber[i] = | |
413 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
414 | } | |
415 | } | |
416 | ||
dea3101e | 417 | lpfc_read_config(phba, pmb); |
ed957684 | 418 | pmb->vport = vport; |
dea3101e | 419 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 420 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 421 | "0453 Adapter failed to init, mbxCmd x%x " |
dea3101e | 422 | "READ_CONFIG, mbxStatus x%x\n", |
dea3101e | 423 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 424 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 425 | mempool_free( pmb, phba->mbox_mem_pool); |
426 | return -EIO; | |
427 | } | |
428 | ||
a0c87cbd JS |
429 | /* Check if the port is disabled */ |
430 | lpfc_sli_read_link_ste(phba); | |
431 | ||
dea3101e | 432 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ |
433 | if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) | |
434 | phba->cfg_hba_queue_depth = | |
f1126688 JS |
435 | (mb->un.varRdConfig.max_xri + 1) - |
436 | lpfc_sli4_get_els_iocb_cnt(phba); | |
dea3101e | 437 | |
438 | phba->lmt = mb->un.varRdConfig.lmt; | |
74b72a59 JW |
439 | |
440 | /* Get the default values for Model Name and Description */ | |
441 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
442 | ||
443 | if ((phba->cfg_link_speed > LINK_SPEED_10G) | |
444 | || ((phba->cfg_link_speed == LINK_SPEED_1G) | |
445 | && !(phba->lmt & LMT_1Gb)) | |
446 | || ((phba->cfg_link_speed == LINK_SPEED_2G) | |
447 | && !(phba->lmt & LMT_2Gb)) | |
448 | || ((phba->cfg_link_speed == LINK_SPEED_4G) | |
449 | && !(phba->lmt & LMT_4Gb)) | |
450 | || ((phba->cfg_link_speed == LINK_SPEED_8G) | |
451 | && !(phba->lmt & LMT_8Gb)) | |
452 | || ((phba->cfg_link_speed == LINK_SPEED_10G) | |
453 | && !(phba->lmt & LMT_10Gb))) { | |
454 | /* Reset link speed to auto */ | |
ed957684 | 455 | lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT, |
e8b62011 | 456 | "1302 Invalid speed for this board: " |
dea3101e | 457 | "Reset link speed to auto: x%x\n", |
dea3101e | 458 | phba->cfg_link_speed); |
459 | phba->cfg_link_speed = LINK_SPEED_AUTO; | |
460 | } | |
461 | ||
2e0fef85 | 462 | phba->link_state = LPFC_LINK_DOWN; |
dea3101e | 463 | |
0b727fea | 464 | /* Only process IOCBs on ELS ring till hba_state is READY */ |
a4bc3379 JS |
465 | if (psli->ring[psli->extra_ring].cmdringaddr) |
466 | psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
dea3101e | 467 | if (psli->ring[psli->fcp_ring].cmdringaddr) |
468 | psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
469 | if (psli->ring[psli->next_ring].cmdringaddr) | |
470 | psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
471 | ||
472 | /* Post receive buffers for desired rings */ | |
ed957684 JS |
473 | if (phba->sli_rev != 3) |
474 | lpfc_post_rcv_buf(phba); | |
dea3101e | 475 | |
9399627f JS |
476 | /* |
477 | * Configure HBA MSI-X attention conditions to messages if MSI-X mode | |
478 | */ | |
479 | if (phba->intr_type == MSIX) { | |
480 | rc = lpfc_config_msi(phba, pmb); | |
481 | if (rc) { | |
482 | mempool_free(pmb, phba->mbox_mem_pool); | |
483 | return -EIO; | |
484 | } | |
485 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
486 | if (rc != MBX_SUCCESS) { | |
487 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
488 | "0352 Config MSI mailbox command " | |
489 | "failed, mbxCmd x%x, mbxStatus x%x\n", | |
04c68496 JS |
490 | pmb->u.mb.mbxCommand, |
491 | pmb->u.mb.mbxStatus); | |
9399627f JS |
492 | mempool_free(pmb, phba->mbox_mem_pool); |
493 | return -EIO; | |
494 | } | |
495 | } | |
496 | ||
04c68496 | 497 | spin_lock_irq(&phba->hbalock); |
9399627f JS |
498 | /* Initialize ERATT handling flag */ |
499 | phba->hba_flag &= ~HBA_ERATT_HANDLED; | |
500 | ||
dea3101e | 501 | /* Enable appropriate host interrupts */ |
dea3101e | 502 | status = readl(phba->HCregaddr); |
503 | status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; | |
504 | if (psli->num_rings > 0) | |
505 | status |= HC_R0INT_ENA; | |
506 | if (psli->num_rings > 1) | |
507 | status |= HC_R1INT_ENA; | |
508 | if (psli->num_rings > 2) | |
509 | status |= HC_R2INT_ENA; | |
510 | if (psli->num_rings > 3) | |
511 | status |= HC_R3INT_ENA; | |
512 | ||
875fbdfe JSEC |
513 | if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && |
514 | (phba->cfg_poll & DISABLE_FCP_RING_INT)) | |
9399627f | 515 | status &= ~(HC_R0INT_ENA); |
875fbdfe | 516 | |
dea3101e | 517 | writel(status, phba->HCregaddr); |
518 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 519 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 520 | |
9399627f JS |
521 | /* Set up ring-0 (ELS) timer */ |
522 | timeout = phba->fc_ratov * 2; | |
2e0fef85 | 523 | mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); |
9399627f | 524 | /* Set up heart beat (HB) timer */ |
858c9f6c JS |
525 | mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); |
526 | phba->hb_outstanding = 0; | |
527 | phba->last_completion_time = jiffies; | |
9399627f JS |
528 | /* Set up error attention (ERATT) polling timer */ |
529 | mod_timer(&phba->eratt_poll, jiffies + HZ * LPFC_ERATT_POLL_INTERVAL); | |
dea3101e | 530 | |
a0c87cbd JS |
531 | if (phba->hba_flag & LINK_DISABLED) { |
532 | lpfc_printf_log(phba, | |
533 | KERN_ERR, LOG_INIT, | |
534 | "2598 Adapter Link is disabled.\n"); | |
535 | lpfc_down_link(phba, pmb); | |
536 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
537 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
538 | if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) { | |
539 | lpfc_printf_log(phba, | |
540 | KERN_ERR, LOG_INIT, | |
541 | "2599 Adapter failed to issue DOWN_LINK" | |
542 | " mbox command rc 0x%x\n", rc); | |
543 | ||
544 | mempool_free(pmb, phba->mbox_mem_pool); | |
545 | return -EIO; | |
546 | } | |
547 | } else { | |
548 | lpfc_init_link(phba, pmb, phba->cfg_topology, | |
549 | phba->cfg_link_speed); | |
550 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
551 | lpfc_set_loopback_flag(phba); | |
552 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
553 | if (rc != MBX_SUCCESS) { | |
554 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 | 555 | "0454 Adapter failed to init, mbxCmd x%x " |
dea3101e | 556 | "INIT_LINK, mbxStatus x%x\n", |
dea3101e | 557 | mb->mbxCommand, mb->mbxStatus); |
558 | ||
a0c87cbd JS |
559 | /* Clear all interrupt enable conditions */ |
560 | writel(0, phba->HCregaddr); | |
561 | readl(phba->HCregaddr); /* flush */ | |
562 | /* Clear all pending interrupts */ | |
563 | writel(0xffffffff, phba->HAregaddr); | |
564 | readl(phba->HAregaddr); /* flush */ | |
dea3101e | 565 | |
a0c87cbd JS |
566 | phba->link_state = LPFC_HBA_ERROR; |
567 | if (rc != MBX_BUSY) | |
568 | mempool_free(pmb, phba->mbox_mem_pool); | |
569 | return -EIO; | |
570 | } | |
dea3101e | 571 | } |
572 | /* MBOX buffer will be freed in mbox compl */ | |
57127f15 JS |
573 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
574 | lpfc_config_async(phba, pmb, LPFC_ELS_RING); | |
575 | pmb->mbox_cmpl = lpfc_config_async_cmpl; | |
576 | pmb->vport = phba->pport; | |
577 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
dea3101e | 578 | |
57127f15 JS |
579 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
580 | lpfc_printf_log(phba, | |
581 | KERN_ERR, | |
582 | LOG_INIT, | |
583 | "0456 Adapter failed to issue " | |
e4e74273 | 584 | "ASYNCEVT_ENABLE mbox status x%x\n", |
57127f15 JS |
585 | rc); |
586 | mempool_free(pmb, phba->mbox_mem_pool); | |
587 | } | |
97207482 JS |
588 | |
589 | /* Get Option rom version */ | |
590 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
591 | lpfc_dump_wakeup_param(phba, pmb); | |
592 | pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl; | |
593 | pmb->vport = phba->pport; | |
594 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
595 | ||
596 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { | |
597 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed " | |
e4e74273 | 598 | "to get Option ROM version status x%x\n", rc); |
97207482 JS |
599 | mempool_free(pmb, phba->mbox_mem_pool); |
600 | } | |
601 | ||
d7c255b2 | 602 | return 0; |
ce8b3ce5 JS |
603 | } |
604 | ||
e59058c4 | 605 | /** |
3621a710 | 606 | * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset |
e59058c4 JS |
607 | * @phba: pointer to lpfc HBA data structure. |
608 | * | |
609 | * This routine will do LPFC uninitialization before the HBA is reset when | |
610 | * bringing down the SLI Layer. | |
611 | * | |
612 | * Return codes | |
613 | * 0 - success. | |
614 | * Any other value - error. | |
615 | **/ | |
dea3101e | 616 | int |
2e0fef85 | 617 | lpfc_hba_down_prep(struct lpfc_hba *phba) |
dea3101e | 618 | { |
1b32f6aa JS |
619 | struct lpfc_vport **vports; |
620 | int i; | |
3772a991 JS |
621 | |
622 | if (phba->sli_rev <= LPFC_SLI_REV3) { | |
623 | /* Disable interrupts */ | |
624 | writel(0, phba->HCregaddr); | |
625 | readl(phba->HCregaddr); /* flush */ | |
626 | } | |
dea3101e | 627 | |
1b32f6aa JS |
628 | if (phba->pport->load_flag & FC_UNLOADING) |
629 | lpfc_cleanup_discovery_resources(phba->pport); | |
630 | else { | |
631 | vports = lpfc_create_vport_work_array(phba); | |
632 | if (vports != NULL) | |
3772a991 JS |
633 | for (i = 0; i <= phba->max_vports && |
634 | vports[i] != NULL; i++) | |
1b32f6aa JS |
635 | lpfc_cleanup_discovery_resources(vports[i]); |
636 | lpfc_destroy_vport_work_array(phba, vports); | |
7f5f3d0d JS |
637 | } |
638 | return 0; | |
dea3101e | 639 | } |
640 | ||
e59058c4 | 641 | /** |
3772a991 | 642 | * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset |
e59058c4 JS |
643 | * @phba: pointer to lpfc HBA data structure. |
644 | * | |
645 | * This routine will do uninitialization after the HBA is reset when bring | |
646 | * down the SLI Layer. | |
647 | * | |
648 | * Return codes | |
af901ca1 | 649 | * 0 - success. |
e59058c4 JS |
650 | * Any other value - error. |
651 | **/ | |
3772a991 JS |
652 | static int |
653 | lpfc_hba_down_post_s3(struct lpfc_hba *phba) | |
41415862 JW |
654 | { |
655 | struct lpfc_sli *psli = &phba->sli; | |
656 | struct lpfc_sli_ring *pring; | |
657 | struct lpfc_dmabuf *mp, *next_mp; | |
09372820 | 658 | LIST_HEAD(completions); |
41415862 JW |
659 | int i; |
660 | ||
92d7f7b0 JS |
661 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
662 | lpfc_sli_hbqbuf_free_all(phba); | |
663 | else { | |
664 | /* Cleanup preposted buffers on the ELS ring */ | |
665 | pring = &psli->ring[LPFC_ELS_RING]; | |
666 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
667 | list_del(&mp->list); | |
668 | pring->postbufq_cnt--; | |
669 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
670 | kfree(mp); | |
671 | } | |
41415862 JW |
672 | } |
673 | ||
09372820 | 674 | spin_lock_irq(&phba->hbalock); |
41415862 JW |
675 | for (i = 0; i < psli->num_rings; i++) { |
676 | pring = &psli->ring[i]; | |
09372820 JS |
677 | |
678 | /* At this point in time the HBA is either reset or DOA. Either | |
679 | * way, nothing should be on txcmplq as it will NEVER complete. | |
680 | */ | |
681 | list_splice_init(&pring->txcmplq, &completions); | |
682 | pring->txcmplq_cnt = 0; | |
683 | spin_unlock_irq(&phba->hbalock); | |
684 | ||
a257bf90 JS |
685 | /* Cancel all the IOCBs from the completions list */ |
686 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
687 | IOERR_SLI_ABORTED); | |
09372820 | 688 | |
41415862 | 689 | lpfc_sli_abort_iocb_ring(phba, pring); |
09372820 | 690 | spin_lock_irq(&phba->hbalock); |
41415862 | 691 | } |
09372820 | 692 | spin_unlock_irq(&phba->hbalock); |
41415862 JW |
693 | |
694 | return 0; | |
695 | } | |
da0436e9 JS |
696 | /** |
697 | * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset | |
698 | * @phba: pointer to lpfc HBA data structure. | |
699 | * | |
700 | * This routine will do uninitialization after the HBA is reset when bring | |
701 | * down the SLI Layer. | |
702 | * | |
703 | * Return codes | |
af901ca1 | 704 | * 0 - success. |
da0436e9 JS |
705 | * Any other value - error. |
706 | **/ | |
707 | static int | |
708 | lpfc_hba_down_post_s4(struct lpfc_hba *phba) | |
709 | { | |
710 | struct lpfc_scsi_buf *psb, *psb_next; | |
711 | LIST_HEAD(aborts); | |
712 | int ret; | |
713 | unsigned long iflag = 0; | |
714 | ret = lpfc_hba_down_post_s3(phba); | |
715 | if (ret) | |
716 | return ret; | |
717 | /* At this point in time the HBA is either reset or DOA. Either | |
718 | * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be | |
719 | * on the lpfc_sgl_list so that it can either be freed if the | |
720 | * driver is unloading or reposted if the driver is restarting | |
721 | * the port. | |
722 | */ | |
723 | spin_lock_irq(&phba->hbalock); /* required for lpfc_sgl_list and */ | |
724 | /* scsl_buf_list */ | |
725 | /* abts_sgl_list_lock required because worker thread uses this | |
726 | * list. | |
727 | */ | |
728 | spin_lock(&phba->sli4_hba.abts_sgl_list_lock); | |
729 | list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list, | |
730 | &phba->sli4_hba.lpfc_sgl_list); | |
731 | spin_unlock(&phba->sli4_hba.abts_sgl_list_lock); | |
732 | /* abts_scsi_buf_list_lock required because worker thread uses this | |
733 | * list. | |
734 | */ | |
735 | spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
736 | list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list, | |
737 | &aborts); | |
738 | spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
739 | spin_unlock_irq(&phba->hbalock); | |
740 | ||
741 | list_for_each_entry_safe(psb, psb_next, &aborts, list) { | |
742 | psb->pCmd = NULL; | |
743 | psb->status = IOSTAT_SUCCESS; | |
744 | } | |
745 | spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag); | |
746 | list_splice(&aborts, &phba->lpfc_scsi_buf_list); | |
747 | spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag); | |
748 | return 0; | |
749 | } | |
750 | ||
751 | /** | |
752 | * lpfc_hba_down_post - Wrapper func for hba down post routine | |
753 | * @phba: pointer to lpfc HBA data structure. | |
754 | * | |
755 | * This routine wraps the actual SLI3 or SLI4 routine for performing | |
756 | * uninitialization after the HBA is reset when bring down the SLI Layer. | |
757 | * | |
758 | * Return codes | |
af901ca1 | 759 | * 0 - success. |
da0436e9 JS |
760 | * Any other value - error. |
761 | **/ | |
762 | int | |
763 | lpfc_hba_down_post(struct lpfc_hba *phba) | |
764 | { | |
765 | return (*phba->lpfc_hba_down_post)(phba); | |
766 | } | |
41415862 | 767 | |
e59058c4 | 768 | /** |
3621a710 | 769 | * lpfc_hb_timeout - The HBA-timer timeout handler |
e59058c4 JS |
770 | * @ptr: unsigned long holds the pointer to lpfc hba data structure. |
771 | * | |
772 | * This is the HBA-timer timeout handler registered to the lpfc driver. When | |
773 | * this timer fires, a HBA timeout event shall be posted to the lpfc driver | |
774 | * work-port-events bitmap and the worker thread is notified. This timeout | |
775 | * event will be used by the worker thread to invoke the actual timeout | |
776 | * handler routine, lpfc_hb_timeout_handler. Any periodical operations will | |
777 | * be performed in the timeout handler and the HBA timeout event bit shall | |
778 | * be cleared by the worker thread after it has taken the event bitmap out. | |
779 | **/ | |
a6ababd2 | 780 | static void |
858c9f6c JS |
781 | lpfc_hb_timeout(unsigned long ptr) |
782 | { | |
783 | struct lpfc_hba *phba; | |
5e9d9b82 | 784 | uint32_t tmo_posted; |
858c9f6c JS |
785 | unsigned long iflag; |
786 | ||
787 | phba = (struct lpfc_hba *)ptr; | |
9399627f JS |
788 | |
789 | /* Check for heart beat timeout conditions */ | |
858c9f6c | 790 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); |
5e9d9b82 JS |
791 | tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO; |
792 | if (!tmo_posted) | |
858c9f6c JS |
793 | phba->pport->work_port_events |= WORKER_HB_TMO; |
794 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
795 | ||
9399627f | 796 | /* Tell the worker thread there is work to do */ |
5e9d9b82 JS |
797 | if (!tmo_posted) |
798 | lpfc_worker_wake_up(phba); | |
858c9f6c JS |
799 | return; |
800 | } | |
801 | ||
e59058c4 | 802 | /** |
3621a710 | 803 | * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function |
e59058c4 JS |
804 | * @phba: pointer to lpfc hba data structure. |
805 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
806 | * | |
807 | * This is the callback function to the lpfc heart-beat mailbox command. | |
808 | * If configured, the lpfc driver issues the heart-beat mailbox command to | |
809 | * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the | |
810 | * heart-beat mailbox command is issued, the driver shall set up heart-beat | |
811 | * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks | |
812 | * heart-beat outstanding state. Once the mailbox command comes back and | |
813 | * no error conditions detected, the heart-beat mailbox command timer is | |
814 | * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding | |
815 | * state is cleared for the next heart-beat. If the timer expired with the | |
816 | * heart-beat outstanding state set, the driver will put the HBA offline. | |
817 | **/ | |
858c9f6c JS |
818 | static void |
819 | lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
820 | { | |
821 | unsigned long drvr_flag; | |
822 | ||
823 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
824 | phba->hb_outstanding = 0; | |
825 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
826 | ||
9399627f | 827 | /* Check and reset heart-beat timer is necessary */ |
858c9f6c JS |
828 | mempool_free(pmboxq, phba->mbox_mem_pool); |
829 | if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && | |
830 | !(phba->link_state == LPFC_HBA_ERROR) && | |
51ef4c26 | 831 | !(phba->pport->load_flag & FC_UNLOADING)) |
858c9f6c JS |
832 | mod_timer(&phba->hb_tmofunc, |
833 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
834 | return; | |
835 | } | |
836 | ||
e59058c4 | 837 | /** |
3621a710 | 838 | * lpfc_hb_timeout_handler - The HBA-timer timeout handler |
e59058c4 JS |
839 | * @phba: pointer to lpfc hba data structure. |
840 | * | |
841 | * This is the actual HBA-timer timeout handler to be invoked by the worker | |
842 | * thread whenever the HBA timer fired and HBA-timeout event posted. This | |
843 | * handler performs any periodic operations needed for the device. If such | |
844 | * periodic event has already been attended to either in the interrupt handler | |
845 | * or by processing slow-ring or fast-ring events within the HBA-timer | |
846 | * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets | |
847 | * the timer for the next timeout period. If lpfc heart-beat mailbox command | |
848 | * is configured and there is no heart-beat mailbox command outstanding, a | |
849 | * heart-beat mailbox is issued and timer set properly. Otherwise, if there | |
850 | * has been a heart-beat mailbox command outstanding, the HBA shall be put | |
851 | * to offline. | |
852 | **/ | |
858c9f6c JS |
853 | void |
854 | lpfc_hb_timeout_handler(struct lpfc_hba *phba) | |
855 | { | |
45ed1190 | 856 | struct lpfc_vport **vports; |
858c9f6c | 857 | LPFC_MBOXQ_t *pmboxq; |
0ff10d46 | 858 | struct lpfc_dmabuf *buf_ptr; |
45ed1190 | 859 | int retval, i; |
858c9f6c | 860 | struct lpfc_sli *psli = &phba->sli; |
0ff10d46 | 861 | LIST_HEAD(completions); |
858c9f6c | 862 | |
45ed1190 JS |
863 | vports = lpfc_create_vport_work_array(phba); |
864 | if (vports != NULL) | |
865 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) | |
866 | lpfc_rcv_seq_check_edtov(vports[i]); | |
867 | lpfc_destroy_vport_work_array(phba, vports); | |
868 | ||
858c9f6c | 869 | if ((phba->link_state == LPFC_HBA_ERROR) || |
51ef4c26 | 870 | (phba->pport->load_flag & FC_UNLOADING) || |
858c9f6c JS |
871 | (phba->pport->fc_flag & FC_OFFLINE_MODE)) |
872 | return; | |
873 | ||
874 | spin_lock_irq(&phba->pport->work_port_lock); | |
858c9f6c JS |
875 | |
876 | if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ, | |
877 | jiffies)) { | |
878 | spin_unlock_irq(&phba->pport->work_port_lock); | |
879 | if (!phba->hb_outstanding) | |
880 | mod_timer(&phba->hb_tmofunc, | |
881 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
882 | else | |
883 | mod_timer(&phba->hb_tmofunc, | |
884 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); | |
885 | return; | |
886 | } | |
887 | spin_unlock_irq(&phba->pport->work_port_lock); | |
888 | ||
0ff10d46 JS |
889 | if (phba->elsbuf_cnt && |
890 | (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { | |
891 | spin_lock_irq(&phba->hbalock); | |
892 | list_splice_init(&phba->elsbuf, &completions); | |
893 | phba->elsbuf_cnt = 0; | |
894 | phba->elsbuf_prev_cnt = 0; | |
895 | spin_unlock_irq(&phba->hbalock); | |
896 | ||
897 | while (!list_empty(&completions)) { | |
898 | list_remove_head(&completions, buf_ptr, | |
899 | struct lpfc_dmabuf, list); | |
900 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
901 | kfree(buf_ptr); | |
902 | } | |
903 | } | |
904 | phba->elsbuf_prev_cnt = phba->elsbuf_cnt; | |
905 | ||
858c9f6c | 906 | /* If there is no heart beat outstanding, issue a heartbeat command */ |
13815c83 JS |
907 | if (phba->cfg_enable_hba_heartbeat) { |
908 | if (!phba->hb_outstanding) { | |
909 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
910 | if (!pmboxq) { | |
911 | mod_timer(&phba->hb_tmofunc, | |
912 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
913 | return; | |
914 | } | |
858c9f6c | 915 | |
13815c83 JS |
916 | lpfc_heart_beat(phba, pmboxq); |
917 | pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; | |
918 | pmboxq->vport = phba->pport; | |
919 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); | |
858c9f6c | 920 | |
13815c83 JS |
921 | if (retval != MBX_BUSY && retval != MBX_SUCCESS) { |
922 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
923 | mod_timer(&phba->hb_tmofunc, | |
924 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
925 | return; | |
926 | } | |
858c9f6c | 927 | mod_timer(&phba->hb_tmofunc, |
13815c83 JS |
928 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); |
929 | phba->hb_outstanding = 1; | |
858c9f6c | 930 | return; |
13815c83 JS |
931 | } else { |
932 | /* | |
933 | * If heart beat timeout called with hb_outstanding set | |
934 | * we need to take the HBA offline. | |
935 | */ | |
936 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
937 | "0459 Adapter heartbeat failure, " | |
938 | "taking this port offline.\n"); | |
939 | ||
940 | spin_lock_irq(&phba->hbalock); | |
f4b4c68f | 941 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
13815c83 JS |
942 | spin_unlock_irq(&phba->hbalock); |
943 | ||
944 | lpfc_offline_prep(phba); | |
945 | lpfc_offline(phba); | |
946 | lpfc_unblock_mgmt_io(phba); | |
947 | phba->link_state = LPFC_HBA_ERROR; | |
948 | lpfc_hba_down_post(phba); | |
858c9f6c | 949 | } |
858c9f6c JS |
950 | } |
951 | } | |
952 | ||
e59058c4 | 953 | /** |
3621a710 | 954 | * lpfc_offline_eratt - Bring lpfc offline on hardware error attention |
e59058c4 JS |
955 | * @phba: pointer to lpfc hba data structure. |
956 | * | |
957 | * This routine is called to bring the HBA offline when HBA hardware error | |
958 | * other than Port Error 6 has been detected. | |
959 | **/ | |
09372820 JS |
960 | static void |
961 | lpfc_offline_eratt(struct lpfc_hba *phba) | |
962 | { | |
963 | struct lpfc_sli *psli = &phba->sli; | |
964 | ||
965 | spin_lock_irq(&phba->hbalock); | |
f4b4c68f | 966 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
09372820 JS |
967 | spin_unlock_irq(&phba->hbalock); |
968 | lpfc_offline_prep(phba); | |
969 | ||
970 | lpfc_offline(phba); | |
971 | lpfc_reset_barrier(phba); | |
f4b4c68f | 972 | spin_lock_irq(&phba->hbalock); |
09372820 | 973 | lpfc_sli_brdreset(phba); |
f4b4c68f | 974 | spin_unlock_irq(&phba->hbalock); |
09372820 JS |
975 | lpfc_hba_down_post(phba); |
976 | lpfc_sli_brdready(phba, HS_MBRDY); | |
977 | lpfc_unblock_mgmt_io(phba); | |
978 | phba->link_state = LPFC_HBA_ERROR; | |
979 | return; | |
980 | } | |
981 | ||
da0436e9 JS |
982 | /** |
983 | * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention | |
984 | * @phba: pointer to lpfc hba data structure. | |
985 | * | |
986 | * This routine is called to bring a SLI4 HBA offline when HBA hardware error | |
987 | * other than Port Error 6 has been detected. | |
988 | **/ | |
989 | static void | |
990 | lpfc_sli4_offline_eratt(struct lpfc_hba *phba) | |
991 | { | |
992 | lpfc_offline_prep(phba); | |
993 | lpfc_offline(phba); | |
994 | lpfc_sli4_brdreset(phba); | |
995 | lpfc_hba_down_post(phba); | |
996 | lpfc_sli4_post_status_check(phba); | |
997 | lpfc_unblock_mgmt_io(phba); | |
998 | phba->link_state = LPFC_HBA_ERROR; | |
999 | } | |
1000 | ||
a257bf90 JS |
1001 | /** |
1002 | * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler | |
1003 | * @phba: pointer to lpfc hba data structure. | |
1004 | * | |
1005 | * This routine is invoked to handle the deferred HBA hardware error | |
1006 | * conditions. This type of error is indicated by HBA by setting ER1 | |
1007 | * and another ER bit in the host status register. The driver will | |
1008 | * wait until the ER1 bit clears before handling the error condition. | |
1009 | **/ | |
1010 | static void | |
1011 | lpfc_handle_deferred_eratt(struct lpfc_hba *phba) | |
1012 | { | |
1013 | uint32_t old_host_status = phba->work_hs; | |
1014 | struct lpfc_sli_ring *pring; | |
1015 | struct lpfc_sli *psli = &phba->sli; | |
1016 | ||
f4b4c68f JS |
1017 | /* If the pci channel is offline, ignore possible errors, |
1018 | * since we cannot communicate with the pci card anyway. | |
1019 | */ | |
1020 | if (pci_channel_offline(phba->pcidev)) { | |
1021 | spin_lock_irq(&phba->hbalock); | |
1022 | phba->hba_flag &= ~DEFER_ERATT; | |
1023 | spin_unlock_irq(&phba->hbalock); | |
1024 | return; | |
1025 | } | |
1026 | ||
a257bf90 JS |
1027 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
1028 | "0479 Deferred Adapter Hardware Error " | |
1029 | "Data: x%x x%x x%x\n", | |
1030 | phba->work_hs, | |
1031 | phba->work_status[0], phba->work_status[1]); | |
1032 | ||
1033 | spin_lock_irq(&phba->hbalock); | |
f4b4c68f | 1034 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
a257bf90 JS |
1035 | spin_unlock_irq(&phba->hbalock); |
1036 | ||
1037 | ||
1038 | /* | |
1039 | * Firmware stops when it triggred erratt. That could cause the I/Os | |
1040 | * dropped by the firmware. Error iocb (I/O) on txcmplq and let the | |
1041 | * SCSI layer retry it after re-establishing link. | |
1042 | */ | |
1043 | pring = &psli->ring[psli->fcp_ring]; | |
1044 | lpfc_sli_abort_iocb_ring(phba, pring); | |
1045 | ||
1046 | /* | |
1047 | * There was a firmware error. Take the hba offline and then | |
1048 | * attempt to restart it. | |
1049 | */ | |
1050 | lpfc_offline_prep(phba); | |
1051 | lpfc_offline(phba); | |
1052 | ||
1053 | /* Wait for the ER1 bit to clear.*/ | |
1054 | while (phba->work_hs & HS_FFER1) { | |
1055 | msleep(100); | |
1056 | phba->work_hs = readl(phba->HSregaddr); | |
1057 | /* If driver is unloading let the worker thread continue */ | |
1058 | if (phba->pport->load_flag & FC_UNLOADING) { | |
1059 | phba->work_hs = 0; | |
1060 | break; | |
1061 | } | |
1062 | } | |
1063 | ||
1064 | /* | |
1065 | * This is to ptrotect against a race condition in which | |
1066 | * first write to the host attention register clear the | |
1067 | * host status register. | |
1068 | */ | |
1069 | if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING))) | |
1070 | phba->work_hs = old_host_status & ~HS_FFER1; | |
1071 | ||
3772a991 | 1072 | spin_lock_irq(&phba->hbalock); |
a257bf90 | 1073 | phba->hba_flag &= ~DEFER_ERATT; |
3772a991 | 1074 | spin_unlock_irq(&phba->hbalock); |
a257bf90 JS |
1075 | phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); |
1076 | phba->work_status[1] = readl(phba->MBslimaddr + 0xac); | |
1077 | } | |
1078 | ||
3772a991 JS |
1079 | static void |
1080 | lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba) | |
1081 | { | |
1082 | struct lpfc_board_event_header board_event; | |
1083 | struct Scsi_Host *shost; | |
1084 | ||
1085 | board_event.event_type = FC_REG_BOARD_EVENT; | |
1086 | board_event.subcategory = LPFC_EVENT_PORTINTERR; | |
1087 | shost = lpfc_shost_from_vport(phba->pport); | |
1088 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1089 | sizeof(board_event), | |
1090 | (char *) &board_event, | |
1091 | LPFC_NL_VENDOR_ID); | |
1092 | } | |
1093 | ||
e59058c4 | 1094 | /** |
3772a991 | 1095 | * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler |
e59058c4 JS |
1096 | * @phba: pointer to lpfc hba data structure. |
1097 | * | |
1098 | * This routine is invoked to handle the following HBA hardware error | |
1099 | * conditions: | |
1100 | * 1 - HBA error attention interrupt | |
1101 | * 2 - DMA ring index out of range | |
1102 | * 3 - Mailbox command came back as unknown | |
1103 | **/ | |
3772a991 JS |
1104 | static void |
1105 | lpfc_handle_eratt_s3(struct lpfc_hba *phba) | |
dea3101e | 1106 | { |
2e0fef85 | 1107 | struct lpfc_vport *vport = phba->pport; |
2e0fef85 | 1108 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 1109 | struct lpfc_sli_ring *pring; |
d2873e4c | 1110 | uint32_t event_data; |
57127f15 JS |
1111 | unsigned long temperature; |
1112 | struct temp_event temp_event_data; | |
92d7f7b0 | 1113 | struct Scsi_Host *shost; |
2e0fef85 | 1114 | |
8d63f375 | 1115 | /* If the pci channel is offline, ignore possible errors, |
3772a991 JS |
1116 | * since we cannot communicate with the pci card anyway. |
1117 | */ | |
1118 | if (pci_channel_offline(phba->pcidev)) { | |
1119 | spin_lock_irq(&phba->hbalock); | |
1120 | phba->hba_flag &= ~DEFER_ERATT; | |
1121 | spin_unlock_irq(&phba->hbalock); | |
8d63f375 | 1122 | return; |
3772a991 JS |
1123 | } |
1124 | ||
13815c83 JS |
1125 | /* If resets are disabled then leave the HBA alone and return */ |
1126 | if (!phba->cfg_enable_hba_reset) | |
1127 | return; | |
dea3101e | 1128 | |
ea2151b4 | 1129 | /* Send an internal error event to mgmt application */ |
3772a991 | 1130 | lpfc_board_errevt_to_mgmt(phba); |
ea2151b4 | 1131 | |
a257bf90 JS |
1132 | if (phba->hba_flag & DEFER_ERATT) |
1133 | lpfc_handle_deferred_eratt(phba); | |
1134 | ||
97eab634 | 1135 | if (phba->work_hs & HS_FFER6) { |
dea3101e | 1136 | /* Re-establishing Link */ |
1137 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
e8b62011 | 1138 | "1301 Re-establishing Link " |
dea3101e | 1139 | "Data: x%x x%x x%x\n", |
e8b62011 | 1140 | phba->work_hs, |
dea3101e | 1141 | phba->work_status[0], phba->work_status[1]); |
58da1ffb | 1142 | |
92d7f7b0 | 1143 | spin_lock_irq(&phba->hbalock); |
f4b4c68f | 1144 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
92d7f7b0 | 1145 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1146 | |
1147 | /* | |
1148 | * Firmware stops when it triggled erratt with HS_FFER6. | |
1149 | * That could cause the I/Os dropped by the firmware. | |
1150 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
1151 | * retry it after re-establishing link. | |
1152 | */ | |
1153 | pring = &psli->ring[psli->fcp_ring]; | |
1154 | lpfc_sli_abort_iocb_ring(phba, pring); | |
1155 | ||
dea3101e | 1156 | /* |
1157 | * There was a firmware error. Take the hba offline and then | |
1158 | * attempt to restart it. | |
1159 | */ | |
46fa311e | 1160 | lpfc_offline_prep(phba); |
dea3101e | 1161 | lpfc_offline(phba); |
41415862 | 1162 | lpfc_sli_brdrestart(phba); |
dea3101e | 1163 | if (lpfc_online(phba) == 0) { /* Initialize the HBA */ |
46fa311e | 1164 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 1165 | return; |
1166 | } | |
46fa311e | 1167 | lpfc_unblock_mgmt_io(phba); |
57127f15 JS |
1168 | } else if (phba->work_hs & HS_CRIT_TEMP) { |
1169 | temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); | |
1170 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
1171 | temp_event_data.event_code = LPFC_CRIT_TEMP; | |
1172 | temp_event_data.data = (uint32_t)temperature; | |
1173 | ||
1174 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 1175 | "0406 Adapter maximum temperature exceeded " |
57127f15 JS |
1176 | "(%ld), taking this port offline " |
1177 | "Data: x%x x%x x%x\n", | |
1178 | temperature, phba->work_hs, | |
1179 | phba->work_status[0], phba->work_status[1]); | |
1180 | ||
1181 | shost = lpfc_shost_from_vport(phba->pport); | |
1182 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1183 | sizeof(temp_event_data), | |
1184 | (char *) &temp_event_data, | |
1185 | SCSI_NL_VID_TYPE_PCI | |
1186 | | PCI_VENDOR_ID_EMULEX); | |
1187 | ||
7af67051 | 1188 | spin_lock_irq(&phba->hbalock); |
7af67051 JS |
1189 | phba->over_temp_state = HBA_OVER_TEMP; |
1190 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 1191 | lpfc_offline_eratt(phba); |
57127f15 | 1192 | |
dea3101e | 1193 | } else { |
1194 | /* The if clause above forces this code path when the status | |
9399627f JS |
1195 | * failure is a value other than FFER6. Do not call the offline |
1196 | * twice. This is the adapter hardware error path. | |
dea3101e | 1197 | */ |
1198 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 | 1199 | "0457 Adapter Hardware Error " |
dea3101e | 1200 | "Data: x%x x%x x%x\n", |
e8b62011 | 1201 | phba->work_hs, |
dea3101e | 1202 | phba->work_status[0], phba->work_status[1]); |
1203 | ||
d2873e4c | 1204 | event_data = FC_REG_DUMP_EVENT; |
92d7f7b0 | 1205 | shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 1206 | fc_host_post_vendor_event(shost, fc_get_event_number(), |
d2873e4c JS |
1207 | sizeof(event_data), (char *) &event_data, |
1208 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
1209 | ||
09372820 | 1210 | lpfc_offline_eratt(phba); |
dea3101e | 1211 | } |
9399627f | 1212 | return; |
dea3101e | 1213 | } |
1214 | ||
da0436e9 JS |
1215 | /** |
1216 | * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler | |
1217 | * @phba: pointer to lpfc hba data structure. | |
1218 | * | |
1219 | * This routine is invoked to handle the SLI4 HBA hardware error attention | |
1220 | * conditions. | |
1221 | **/ | |
1222 | static void | |
1223 | lpfc_handle_eratt_s4(struct lpfc_hba *phba) | |
1224 | { | |
1225 | struct lpfc_vport *vport = phba->pport; | |
1226 | uint32_t event_data; | |
1227 | struct Scsi_Host *shost; | |
1228 | ||
1229 | /* If the pci channel is offline, ignore possible errors, since | |
1230 | * we cannot communicate with the pci card anyway. | |
1231 | */ | |
1232 | if (pci_channel_offline(phba->pcidev)) | |
1233 | return; | |
1234 | /* If resets are disabled then leave the HBA alone and return */ | |
1235 | if (!phba->cfg_enable_hba_reset) | |
1236 | return; | |
1237 | ||
1238 | /* Send an internal error event to mgmt application */ | |
1239 | lpfc_board_errevt_to_mgmt(phba); | |
1240 | ||
1241 | /* For now, the actual action for SLI4 device handling is not | |
1242 | * specified yet, just treated it as adaptor hardware failure | |
1243 | */ | |
1244 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1245 | "0143 SLI4 Adapter Hardware Error Data: x%x x%x\n", | |
1246 | phba->work_status[0], phba->work_status[1]); | |
1247 | ||
1248 | event_data = FC_REG_DUMP_EVENT; | |
1249 | shost = lpfc_shost_from_vport(vport); | |
1250 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
1251 | sizeof(event_data), (char *) &event_data, | |
1252 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
1253 | ||
1254 | lpfc_sli4_offline_eratt(phba); | |
1255 | } | |
1256 | ||
1257 | /** | |
1258 | * lpfc_handle_eratt - Wrapper func for handling hba error attention | |
1259 | * @phba: pointer to lpfc HBA data structure. | |
1260 | * | |
1261 | * This routine wraps the actual SLI3 or SLI4 hba error attention handling | |
1262 | * routine from the API jump table function pointer from the lpfc_hba struct. | |
1263 | * | |
1264 | * Return codes | |
af901ca1 | 1265 | * 0 - success. |
da0436e9 JS |
1266 | * Any other value - error. |
1267 | **/ | |
1268 | void | |
1269 | lpfc_handle_eratt(struct lpfc_hba *phba) | |
1270 | { | |
1271 | (*phba->lpfc_handle_eratt)(phba); | |
1272 | } | |
1273 | ||
e59058c4 | 1274 | /** |
3621a710 | 1275 | * lpfc_handle_latt - The HBA link event handler |
e59058c4 JS |
1276 | * @phba: pointer to lpfc hba data structure. |
1277 | * | |
1278 | * This routine is invoked from the worker thread to handle a HBA host | |
1279 | * attention link event. | |
1280 | **/ | |
dea3101e | 1281 | void |
2e0fef85 | 1282 | lpfc_handle_latt(struct lpfc_hba *phba) |
dea3101e | 1283 | { |
2e0fef85 JS |
1284 | struct lpfc_vport *vport = phba->pport; |
1285 | struct lpfc_sli *psli = &phba->sli; | |
dea3101e | 1286 | LPFC_MBOXQ_t *pmb; |
1287 | volatile uint32_t control; | |
1288 | struct lpfc_dmabuf *mp; | |
09372820 | 1289 | int rc = 0; |
dea3101e | 1290 | |
1291 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
09372820 JS |
1292 | if (!pmb) { |
1293 | rc = 1; | |
dea3101e | 1294 | goto lpfc_handle_latt_err_exit; |
09372820 | 1295 | } |
dea3101e | 1296 | |
1297 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
09372820 JS |
1298 | if (!mp) { |
1299 | rc = 2; | |
dea3101e | 1300 | goto lpfc_handle_latt_free_pmb; |
09372820 | 1301 | } |
dea3101e | 1302 | |
1303 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
09372820 JS |
1304 | if (!mp->virt) { |
1305 | rc = 3; | |
dea3101e | 1306 | goto lpfc_handle_latt_free_mp; |
09372820 | 1307 | } |
dea3101e | 1308 | |
6281bfe0 | 1309 | /* Cleanup any outstanding ELS commands */ |
549e55cd | 1310 | lpfc_els_flush_all_cmd(phba); |
dea3101e | 1311 | |
1312 | psli->slistat.link_event++; | |
1313 | lpfc_read_la(phba, pmb, mp); | |
1314 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; | |
2e0fef85 | 1315 | pmb->vport = vport; |
0d2b6b83 JS |
1316 | /* Block ELS IOCBs until we have processed this mbox command */ |
1317 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
0b727fea | 1318 | rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); |
09372820 JS |
1319 | if (rc == MBX_NOT_FINISHED) { |
1320 | rc = 4; | |
14691150 | 1321 | goto lpfc_handle_latt_free_mbuf; |
09372820 | 1322 | } |
dea3101e | 1323 | |
1324 | /* Clear Link Attention in HA REG */ | |
2e0fef85 | 1325 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1326 | writel(HA_LATT, phba->HAregaddr); |
1327 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 1328 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1329 | |
1330 | return; | |
1331 | ||
14691150 | 1332 | lpfc_handle_latt_free_mbuf: |
0d2b6b83 | 1333 | phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; |
14691150 | 1334 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e | 1335 | lpfc_handle_latt_free_mp: |
1336 | kfree(mp); | |
1337 | lpfc_handle_latt_free_pmb: | |
1dcb58e5 | 1338 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 1339 | lpfc_handle_latt_err_exit: |
1340 | /* Enable Link attention interrupts */ | |
2e0fef85 | 1341 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1342 | psli->sli_flag |= LPFC_PROCESS_LA; |
1343 | control = readl(phba->HCregaddr); | |
1344 | control |= HC_LAINT_ENA; | |
1345 | writel(control, phba->HCregaddr); | |
1346 | readl(phba->HCregaddr); /* flush */ | |
1347 | ||
1348 | /* Clear Link Attention in HA REG */ | |
1349 | writel(HA_LATT, phba->HAregaddr); | |
1350 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 1351 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1352 | lpfc_linkdown(phba); |
2e0fef85 | 1353 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 1354 | |
09372820 JS |
1355 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
1356 | "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); | |
dea3101e | 1357 | |
1358 | return; | |
1359 | } | |
1360 | ||
e59058c4 | 1361 | /** |
3621a710 | 1362 | * lpfc_parse_vpd - Parse VPD (Vital Product Data) |
e59058c4 JS |
1363 | * @phba: pointer to lpfc hba data structure. |
1364 | * @vpd: pointer to the vital product data. | |
1365 | * @len: length of the vital product data in bytes. | |
1366 | * | |
1367 | * This routine parses the Vital Product Data (VPD). The VPD is treated as | |
1368 | * an array of characters. In this routine, the ModelName, ProgramType, and | |
1369 | * ModelDesc, etc. fields of the phba data structure will be populated. | |
1370 | * | |
1371 | * Return codes | |
1372 | * 0 - pointer to the VPD passed in is NULL | |
1373 | * 1 - success | |
1374 | **/ | |
3772a991 | 1375 | int |
2e0fef85 | 1376 | lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) |
dea3101e | 1377 | { |
1378 | uint8_t lenlo, lenhi; | |
07da60c1 | 1379 | int Length; |
dea3101e | 1380 | int i, j; |
1381 | int finished = 0; | |
1382 | int index = 0; | |
1383 | ||
1384 | if (!vpd) | |
1385 | return 0; | |
1386 | ||
1387 | /* Vital Product */ | |
ed957684 | 1388 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 | 1389 | "0455 Vital Product Data: x%x x%x x%x x%x\n", |
dea3101e | 1390 | (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], |
1391 | (uint32_t) vpd[3]); | |
74b72a59 | 1392 | while (!finished && (index < (len - 4))) { |
dea3101e | 1393 | switch (vpd[index]) { |
1394 | case 0x82: | |
74b72a59 | 1395 | case 0x91: |
dea3101e | 1396 | index += 1; |
1397 | lenlo = vpd[index]; | |
1398 | index += 1; | |
1399 | lenhi = vpd[index]; | |
1400 | index += 1; | |
1401 | i = ((((unsigned short)lenhi) << 8) + lenlo); | |
1402 | index += i; | |
1403 | break; | |
1404 | case 0x90: | |
1405 | index += 1; | |
1406 | lenlo = vpd[index]; | |
1407 | index += 1; | |
1408 | lenhi = vpd[index]; | |
1409 | index += 1; | |
1410 | Length = ((((unsigned short)lenhi) << 8) + lenlo); | |
74b72a59 JW |
1411 | if (Length > len - index) |
1412 | Length = len - index; | |
dea3101e | 1413 | while (Length > 0) { |
1414 | /* Look for Serial Number */ | |
1415 | if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { | |
1416 | index += 2; | |
1417 | i = vpd[index]; | |
1418 | index += 1; | |
1419 | j = 0; | |
1420 | Length -= (3+i); | |
1421 | while(i--) { | |
1422 | phba->SerialNumber[j++] = vpd[index++]; | |
1423 | if (j == 31) | |
1424 | break; | |
1425 | } | |
1426 | phba->SerialNumber[j] = 0; | |
1427 | continue; | |
1428 | } | |
1429 | else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { | |
1430 | phba->vpd_flag |= VPD_MODEL_DESC; | |
1431 | index += 2; | |
1432 | i = vpd[index]; | |
1433 | index += 1; | |
1434 | j = 0; | |
1435 | Length -= (3+i); | |
1436 | while(i--) { | |
1437 | phba->ModelDesc[j++] = vpd[index++]; | |
1438 | if (j == 255) | |
1439 | break; | |
1440 | } | |
1441 | phba->ModelDesc[j] = 0; | |
1442 | continue; | |
1443 | } | |
1444 | else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { | |
1445 | phba->vpd_flag |= VPD_MODEL_NAME; | |
1446 | index += 2; | |
1447 | i = vpd[index]; | |
1448 | index += 1; | |
1449 | j = 0; | |
1450 | Length -= (3+i); | |
1451 | while(i--) { | |
1452 | phba->ModelName[j++] = vpd[index++]; | |
1453 | if (j == 79) | |
1454 | break; | |
1455 | } | |
1456 | phba->ModelName[j] = 0; | |
1457 | continue; | |
1458 | } | |
1459 | else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { | |
1460 | phba->vpd_flag |= VPD_PROGRAM_TYPE; | |
1461 | index += 2; | |
1462 | i = vpd[index]; | |
1463 | index += 1; | |
1464 | j = 0; | |
1465 | Length -= (3+i); | |
1466 | while(i--) { | |
1467 | phba->ProgramType[j++] = vpd[index++]; | |
1468 | if (j == 255) | |
1469 | break; | |
1470 | } | |
1471 | phba->ProgramType[j] = 0; | |
1472 | continue; | |
1473 | } | |
1474 | else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { | |
1475 | phba->vpd_flag |= VPD_PORT; | |
1476 | index += 2; | |
1477 | i = vpd[index]; | |
1478 | index += 1; | |
1479 | j = 0; | |
1480 | Length -= (3+i); | |
1481 | while(i--) { | |
1482 | phba->Port[j++] = vpd[index++]; | |
1483 | if (j == 19) | |
1484 | break; | |
1485 | } | |
1486 | phba->Port[j] = 0; | |
1487 | continue; | |
1488 | } | |
1489 | else { | |
1490 | index += 2; | |
1491 | i = vpd[index]; | |
1492 | index += 1; | |
1493 | index += i; | |
1494 | Length -= (3 + i); | |
1495 | } | |
1496 | } | |
1497 | finished = 0; | |
1498 | break; | |
1499 | case 0x78: | |
1500 | finished = 1; | |
1501 | break; | |
1502 | default: | |
1503 | index ++; | |
1504 | break; | |
1505 | } | |
74b72a59 | 1506 | } |
dea3101e | 1507 | |
1508 | return(1); | |
1509 | } | |
1510 | ||
e59058c4 | 1511 | /** |
3621a710 | 1512 | * lpfc_get_hba_model_desc - Retrieve HBA device model name and description |
e59058c4 JS |
1513 | * @phba: pointer to lpfc hba data structure. |
1514 | * @mdp: pointer to the data structure to hold the derived model name. | |
1515 | * @descp: pointer to the data structure to hold the derived description. | |
1516 | * | |
1517 | * This routine retrieves HBA's description based on its registered PCI device | |
1518 | * ID. The @descp passed into this function points to an array of 256 chars. It | |
1519 | * shall be returned with the model name, maximum speed, and the host bus type. | |
1520 | * The @mdp passed into this function points to an array of 80 chars. When the | |
1521 | * function returns, the @mdp will be filled with the model name. | |
1522 | **/ | |
dea3101e | 1523 | static void |
2e0fef85 | 1524 | lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) |
dea3101e | 1525 | { |
1526 | lpfc_vpd_t *vp; | |
fefcb2b6 | 1527 | uint16_t dev_id = phba->pcidev->device; |
74b72a59 | 1528 | int max_speed; |
84774a4d | 1529 | int GE = 0; |
da0436e9 | 1530 | int oneConnect = 0; /* default is not a oneConnect */ |
74b72a59 | 1531 | struct { |
a747c9ce JS |
1532 | char *name; |
1533 | char *bus; | |
1534 | char *function; | |
1535 | } m = {"<Unknown>", "", ""}; | |
74b72a59 JW |
1536 | |
1537 | if (mdp && mdp[0] != '\0' | |
1538 | && descp && descp[0] != '\0') | |
1539 | return; | |
1540 | ||
1541 | if (phba->lmt & LMT_10Gb) | |
1542 | max_speed = 10; | |
1543 | else if (phba->lmt & LMT_8Gb) | |
1544 | max_speed = 8; | |
1545 | else if (phba->lmt & LMT_4Gb) | |
1546 | max_speed = 4; | |
1547 | else if (phba->lmt & LMT_2Gb) | |
1548 | max_speed = 2; | |
1549 | else | |
1550 | max_speed = 1; | |
dea3101e | 1551 | |
1552 | vp = &phba->vpd; | |
dea3101e | 1553 | |
e4adb204 | 1554 | switch (dev_id) { |
06325e74 | 1555 | case PCI_DEVICE_ID_FIREFLY: |
a747c9ce | 1556 | m = (typeof(m)){"LP6000", "PCI", "Fibre Channel Adapter"}; |
06325e74 | 1557 | break; |
dea3101e | 1558 | case PCI_DEVICE_ID_SUPERFLY: |
1559 | if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) | |
a747c9ce JS |
1560 | m = (typeof(m)){"LP7000", "PCI", |
1561 | "Fibre Channel Adapter"}; | |
dea3101e | 1562 | else |
a747c9ce JS |
1563 | m = (typeof(m)){"LP7000E", "PCI", |
1564 | "Fibre Channel Adapter"}; | |
dea3101e | 1565 | break; |
1566 | case PCI_DEVICE_ID_DRAGONFLY: | |
a747c9ce JS |
1567 | m = (typeof(m)){"LP8000", "PCI", |
1568 | "Fibre Channel Adapter"}; | |
dea3101e | 1569 | break; |
1570 | case PCI_DEVICE_ID_CENTAUR: | |
1571 | if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) | |
a747c9ce JS |
1572 | m = (typeof(m)){"LP9002", "PCI", |
1573 | "Fibre Channel Adapter"}; | |
dea3101e | 1574 | else |
a747c9ce JS |
1575 | m = (typeof(m)){"LP9000", "PCI", |
1576 | "Fibre Channel Adapter"}; | |
dea3101e | 1577 | break; |
1578 | case PCI_DEVICE_ID_RFLY: | |
a747c9ce JS |
1579 | m = (typeof(m)){"LP952", "PCI", |
1580 | "Fibre Channel Adapter"}; | |
dea3101e | 1581 | break; |
1582 | case PCI_DEVICE_ID_PEGASUS: | |
a747c9ce JS |
1583 | m = (typeof(m)){"LP9802", "PCI-X", |
1584 | "Fibre Channel Adapter"}; | |
dea3101e | 1585 | break; |
1586 | case PCI_DEVICE_ID_THOR: | |
a747c9ce JS |
1587 | m = (typeof(m)){"LP10000", "PCI-X", |
1588 | "Fibre Channel Adapter"}; | |
dea3101e | 1589 | break; |
1590 | case PCI_DEVICE_ID_VIPER: | |
a747c9ce JS |
1591 | m = (typeof(m)){"LPX1000", "PCI-X", |
1592 | "Fibre Channel Adapter"}; | |
dea3101e | 1593 | break; |
1594 | case PCI_DEVICE_ID_PFLY: | |
a747c9ce JS |
1595 | m = (typeof(m)){"LP982", "PCI-X", |
1596 | "Fibre Channel Adapter"}; | |
dea3101e | 1597 | break; |
1598 | case PCI_DEVICE_ID_TFLY: | |
a747c9ce JS |
1599 | m = (typeof(m)){"LP1050", "PCI-X", |
1600 | "Fibre Channel Adapter"}; | |
dea3101e | 1601 | break; |
1602 | case PCI_DEVICE_ID_HELIOS: | |
a747c9ce JS |
1603 | m = (typeof(m)){"LP11000", "PCI-X2", |
1604 | "Fibre Channel Adapter"}; | |
dea3101e | 1605 | break; |
e4adb204 | 1606 | case PCI_DEVICE_ID_HELIOS_SCSP: |
a747c9ce JS |
1607 | m = (typeof(m)){"LP11000-SP", "PCI-X2", |
1608 | "Fibre Channel Adapter"}; | |
e4adb204 JSEC |
1609 | break; |
1610 | case PCI_DEVICE_ID_HELIOS_DCSP: | |
a747c9ce JS |
1611 | m = (typeof(m)){"LP11002-SP", "PCI-X2", |
1612 | "Fibre Channel Adapter"}; | |
e4adb204 JSEC |
1613 | break; |
1614 | case PCI_DEVICE_ID_NEPTUNE: | |
a747c9ce | 1615 | m = (typeof(m)){"LPe1000", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 JSEC |
1616 | break; |
1617 | case PCI_DEVICE_ID_NEPTUNE_SCSP: | |
a747c9ce | 1618 | m = (typeof(m)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 JSEC |
1619 | break; |
1620 | case PCI_DEVICE_ID_NEPTUNE_DCSP: | |
a747c9ce | 1621 | m = (typeof(m)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 | 1622 | break; |
dea3101e | 1623 | case PCI_DEVICE_ID_BMID: |
a747c9ce | 1624 | m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"}; |
dea3101e | 1625 | break; |
1626 | case PCI_DEVICE_ID_BSMB: | |
a747c9ce | 1627 | m = (typeof(m)){"LP111", "PCI-X2", "Fibre Channel Adapter"}; |
dea3101e | 1628 | break; |
1629 | case PCI_DEVICE_ID_ZEPHYR: | |
a747c9ce | 1630 | m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"}; |
dea3101e | 1631 | break; |
e4adb204 | 1632 | case PCI_DEVICE_ID_ZEPHYR_SCSP: |
a747c9ce | 1633 | m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"}; |
e4adb204 JSEC |
1634 | break; |
1635 | case PCI_DEVICE_ID_ZEPHYR_DCSP: | |
a747c9ce | 1636 | m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"}; |
a257bf90 | 1637 | GE = 1; |
e4adb204 | 1638 | break; |
dea3101e | 1639 | case PCI_DEVICE_ID_ZMID: |
a747c9ce | 1640 | m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"}; |
dea3101e | 1641 | break; |
1642 | case PCI_DEVICE_ID_ZSMB: | |
a747c9ce | 1643 | m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"}; |
dea3101e | 1644 | break; |
1645 | case PCI_DEVICE_ID_LP101: | |
a747c9ce | 1646 | m = (typeof(m)){"LP101", "PCI-X", "Fibre Channel Adapter"}; |
dea3101e | 1647 | break; |
1648 | case PCI_DEVICE_ID_LP10000S: | |
a747c9ce | 1649 | m = (typeof(m)){"LP10000-S", "PCI", "Fibre Channel Adapter"}; |
06325e74 | 1650 | break; |
e4adb204 | 1651 | case PCI_DEVICE_ID_LP11000S: |
a747c9ce | 1652 | m = (typeof(m)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"}; |
18a3b596 | 1653 | break; |
e4adb204 | 1654 | case PCI_DEVICE_ID_LPE11000S: |
a747c9ce | 1655 | m = (typeof(m)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"}; |
5cc36b3c | 1656 | break; |
b87eab38 | 1657 | case PCI_DEVICE_ID_SAT: |
a747c9ce | 1658 | m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
1659 | break; |
1660 | case PCI_DEVICE_ID_SAT_MID: | |
a747c9ce | 1661 | m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
1662 | break; |
1663 | case PCI_DEVICE_ID_SAT_SMB: | |
a747c9ce | 1664 | m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
1665 | break; |
1666 | case PCI_DEVICE_ID_SAT_DCSP: | |
a747c9ce | 1667 | m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
1668 | break; |
1669 | case PCI_DEVICE_ID_SAT_SCSP: | |
a747c9ce | 1670 | m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 JS |
1671 | break; |
1672 | case PCI_DEVICE_ID_SAT_S: | |
a747c9ce | 1673 | m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"}; |
b87eab38 | 1674 | break; |
84774a4d | 1675 | case PCI_DEVICE_ID_HORNET: |
a747c9ce | 1676 | m = (typeof(m)){"LP21000", "PCIe", "FCoE Adapter"}; |
84774a4d JS |
1677 | GE = 1; |
1678 | break; | |
1679 | case PCI_DEVICE_ID_PROTEUS_VF: | |
a747c9ce JS |
1680 | m = (typeof(m)){"LPev12000", "PCIe IOV", |
1681 | "Fibre Channel Adapter"}; | |
84774a4d JS |
1682 | break; |
1683 | case PCI_DEVICE_ID_PROTEUS_PF: | |
a747c9ce JS |
1684 | m = (typeof(m)){"LPev12000", "PCIe IOV", |
1685 | "Fibre Channel Adapter"}; | |
84774a4d JS |
1686 | break; |
1687 | case PCI_DEVICE_ID_PROTEUS_S: | |
a747c9ce JS |
1688 | m = (typeof(m)){"LPemv12002-S", "PCIe IOV", |
1689 | "Fibre Channel Adapter"}; | |
84774a4d | 1690 | break; |
da0436e9 JS |
1691 | case PCI_DEVICE_ID_TIGERSHARK: |
1692 | oneConnect = 1; | |
a747c9ce | 1693 | m = (typeof(m)){"OCe10100", "PCIe", "FCoE"}; |
da0436e9 | 1694 | break; |
a747c9ce | 1695 | case PCI_DEVICE_ID_TOMCAT: |
6669f9bb | 1696 | oneConnect = 1; |
a747c9ce JS |
1697 | m = (typeof(m)){"OCe11100", "PCIe", "FCoE"}; |
1698 | break; | |
1699 | case PCI_DEVICE_ID_FALCON: | |
1700 | m = (typeof(m)){"LPSe12002-ML1-E", "PCIe", | |
1701 | "EmulexSecure Fibre"}; | |
6669f9bb | 1702 | break; |
5cc36b3c | 1703 | default: |
a747c9ce | 1704 | m = (typeof(m)){"Unknown", "", ""}; |
e4adb204 | 1705 | break; |
dea3101e | 1706 | } |
74b72a59 JW |
1707 | |
1708 | if (mdp && mdp[0] == '\0') | |
1709 | snprintf(mdp, 79,"%s", m.name); | |
da0436e9 JS |
1710 | /* oneConnect hba requires special processing, they are all initiators |
1711 | * and we put the port number on the end | |
1712 | */ | |
1713 | if (descp && descp[0] == '\0') { | |
1714 | if (oneConnect) | |
1715 | snprintf(descp, 255, | |
a747c9ce JS |
1716 | "Emulex OneConnect %s, %s Initiator, Port %s", |
1717 | m.name, m.function, | |
da0436e9 JS |
1718 | phba->Port); |
1719 | else | |
1720 | snprintf(descp, 255, | |
1721 | "Emulex %s %d%s %s %s", | |
a747c9ce JS |
1722 | m.name, max_speed, (GE) ? "GE" : "Gb", |
1723 | m.bus, m.function); | |
da0436e9 | 1724 | } |
dea3101e | 1725 | } |
1726 | ||
e59058c4 | 1727 | /** |
3621a710 | 1728 | * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring |
e59058c4 JS |
1729 | * @phba: pointer to lpfc hba data structure. |
1730 | * @pring: pointer to a IOCB ring. | |
1731 | * @cnt: the number of IOCBs to be posted to the IOCB ring. | |
1732 | * | |
1733 | * This routine posts a given number of IOCBs with the associated DMA buffer | |
1734 | * descriptors specified by the cnt argument to the given IOCB ring. | |
1735 | * | |
1736 | * Return codes | |
1737 | * The number of IOCBs NOT able to be posted to the IOCB ring. | |
1738 | **/ | |
dea3101e | 1739 | int |
495a714c | 1740 | lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) |
dea3101e | 1741 | { |
1742 | IOCB_t *icmd; | |
0bd4ca25 | 1743 | struct lpfc_iocbq *iocb; |
dea3101e | 1744 | struct lpfc_dmabuf *mp1, *mp2; |
1745 | ||
1746 | cnt += pring->missbufcnt; | |
1747 | ||
1748 | /* While there are buffers to post */ | |
1749 | while (cnt > 0) { | |
1750 | /* Allocate buffer for command iocb */ | |
0bd4ca25 | 1751 | iocb = lpfc_sli_get_iocbq(phba); |
dea3101e | 1752 | if (iocb == NULL) { |
1753 | pring->missbufcnt = cnt; | |
1754 | return cnt; | |
1755 | } | |
dea3101e | 1756 | icmd = &iocb->iocb; |
1757 | ||
1758 | /* 2 buffers can be posted per command */ | |
1759 | /* Allocate buffer to post */ | |
1760 | mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
1761 | if (mp1) | |
98c9ea5c JS |
1762 | mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); |
1763 | if (!mp1 || !mp1->virt) { | |
c9475cb0 | 1764 | kfree(mp1); |
604a3e30 | 1765 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 1766 | pring->missbufcnt = cnt; |
1767 | return cnt; | |
1768 | } | |
1769 | ||
1770 | INIT_LIST_HEAD(&mp1->list); | |
1771 | /* Allocate buffer to post */ | |
1772 | if (cnt > 1) { | |
1773 | mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
1774 | if (mp2) | |
1775 | mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
1776 | &mp2->phys); | |
98c9ea5c | 1777 | if (!mp2 || !mp2->virt) { |
c9475cb0 | 1778 | kfree(mp2); |
dea3101e | 1779 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
1780 | kfree(mp1); | |
604a3e30 | 1781 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 1782 | pring->missbufcnt = cnt; |
1783 | return cnt; | |
1784 | } | |
1785 | ||
1786 | INIT_LIST_HEAD(&mp2->list); | |
1787 | } else { | |
1788 | mp2 = NULL; | |
1789 | } | |
1790 | ||
1791 | icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); | |
1792 | icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); | |
1793 | icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; | |
1794 | icmd->ulpBdeCount = 1; | |
1795 | cnt--; | |
1796 | if (mp2) { | |
1797 | icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); | |
1798 | icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); | |
1799 | icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; | |
1800 | cnt--; | |
1801 | icmd->ulpBdeCount = 2; | |
1802 | } | |
1803 | ||
1804 | icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; | |
1805 | icmd->ulpLe = 1; | |
1806 | ||
3772a991 JS |
1807 | if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) == |
1808 | IOCB_ERROR) { | |
dea3101e | 1809 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
1810 | kfree(mp1); | |
1811 | cnt++; | |
1812 | if (mp2) { | |
1813 | lpfc_mbuf_free(phba, mp2->virt, mp2->phys); | |
1814 | kfree(mp2); | |
1815 | cnt++; | |
1816 | } | |
604a3e30 | 1817 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 1818 | pring->missbufcnt = cnt; |
dea3101e | 1819 | return cnt; |
1820 | } | |
dea3101e | 1821 | lpfc_sli_ringpostbuf_put(phba, pring, mp1); |
92d7f7b0 | 1822 | if (mp2) |
dea3101e | 1823 | lpfc_sli_ringpostbuf_put(phba, pring, mp2); |
dea3101e | 1824 | } |
1825 | pring->missbufcnt = 0; | |
1826 | return 0; | |
1827 | } | |
1828 | ||
e59058c4 | 1829 | /** |
3621a710 | 1830 | * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring |
e59058c4 JS |
1831 | * @phba: pointer to lpfc hba data structure. |
1832 | * | |
1833 | * This routine posts initial receive IOCB buffers to the ELS ring. The | |
1834 | * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is | |
1835 | * set to 64 IOCBs. | |
1836 | * | |
1837 | * Return codes | |
1838 | * 0 - success (currently always success) | |
1839 | **/ | |
dea3101e | 1840 | static int |
2e0fef85 | 1841 | lpfc_post_rcv_buf(struct lpfc_hba *phba) |
dea3101e | 1842 | { |
1843 | struct lpfc_sli *psli = &phba->sli; | |
1844 | ||
1845 | /* Ring 0, ELS / CT buffers */ | |
495a714c | 1846 | lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0); |
dea3101e | 1847 | /* Ring 2 - FCP no buffers needed */ |
1848 | ||
1849 | return 0; | |
1850 | } | |
1851 | ||
1852 | #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) | |
1853 | ||
e59058c4 | 1854 | /** |
3621a710 | 1855 | * lpfc_sha_init - Set up initial array of hash table entries |
e59058c4 JS |
1856 | * @HashResultPointer: pointer to an array as hash table. |
1857 | * | |
1858 | * This routine sets up the initial values to the array of hash table entries | |
1859 | * for the LC HBAs. | |
1860 | **/ | |
dea3101e | 1861 | static void |
1862 | lpfc_sha_init(uint32_t * HashResultPointer) | |
1863 | { | |
1864 | HashResultPointer[0] = 0x67452301; | |
1865 | HashResultPointer[1] = 0xEFCDAB89; | |
1866 | HashResultPointer[2] = 0x98BADCFE; | |
1867 | HashResultPointer[3] = 0x10325476; | |
1868 | HashResultPointer[4] = 0xC3D2E1F0; | |
1869 | } | |
1870 | ||
e59058c4 | 1871 | /** |
3621a710 | 1872 | * lpfc_sha_iterate - Iterate initial hash table with the working hash table |
e59058c4 JS |
1873 | * @HashResultPointer: pointer to an initial/result hash table. |
1874 | * @HashWorkingPointer: pointer to an working hash table. | |
1875 | * | |
1876 | * This routine iterates an initial hash table pointed by @HashResultPointer | |
1877 | * with the values from the working hash table pointeed by @HashWorkingPointer. | |
1878 | * The results are putting back to the initial hash table, returned through | |
1879 | * the @HashResultPointer as the result hash table. | |
1880 | **/ | |
dea3101e | 1881 | static void |
1882 | lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) | |
1883 | { | |
1884 | int t; | |
1885 | uint32_t TEMP; | |
1886 | uint32_t A, B, C, D, E; | |
1887 | t = 16; | |
1888 | do { | |
1889 | HashWorkingPointer[t] = | |
1890 | S(1, | |
1891 | HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - | |
1892 | 8] ^ | |
1893 | HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); | |
1894 | } while (++t <= 79); | |
1895 | t = 0; | |
1896 | A = HashResultPointer[0]; | |
1897 | B = HashResultPointer[1]; | |
1898 | C = HashResultPointer[2]; | |
1899 | D = HashResultPointer[3]; | |
1900 | E = HashResultPointer[4]; | |
1901 | ||
1902 | do { | |
1903 | if (t < 20) { | |
1904 | TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; | |
1905 | } else if (t < 40) { | |
1906 | TEMP = (B ^ C ^ D) + 0x6ED9EBA1; | |
1907 | } else if (t < 60) { | |
1908 | TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; | |
1909 | } else { | |
1910 | TEMP = (B ^ C ^ D) + 0xCA62C1D6; | |
1911 | } | |
1912 | TEMP += S(5, A) + E + HashWorkingPointer[t]; | |
1913 | E = D; | |
1914 | D = C; | |
1915 | C = S(30, B); | |
1916 | B = A; | |
1917 | A = TEMP; | |
1918 | } while (++t <= 79); | |
1919 | ||
1920 | HashResultPointer[0] += A; | |
1921 | HashResultPointer[1] += B; | |
1922 | HashResultPointer[2] += C; | |
1923 | HashResultPointer[3] += D; | |
1924 | HashResultPointer[4] += E; | |
1925 | ||
1926 | } | |
1927 | ||
e59058c4 | 1928 | /** |
3621a710 | 1929 | * lpfc_challenge_key - Create challenge key based on WWPN of the HBA |
e59058c4 JS |
1930 | * @RandomChallenge: pointer to the entry of host challenge random number array. |
1931 | * @HashWorking: pointer to the entry of the working hash array. | |
1932 | * | |
1933 | * This routine calculates the working hash array referred by @HashWorking | |
1934 | * from the challenge random numbers associated with the host, referred by | |
1935 | * @RandomChallenge. The result is put into the entry of the working hash | |
1936 | * array and returned by reference through @HashWorking. | |
1937 | **/ | |
dea3101e | 1938 | static void |
1939 | lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) | |
1940 | { | |
1941 | *HashWorking = (*RandomChallenge ^ *HashWorking); | |
1942 | } | |
1943 | ||
e59058c4 | 1944 | /** |
3621a710 | 1945 | * lpfc_hba_init - Perform special handling for LC HBA initialization |
e59058c4 JS |
1946 | * @phba: pointer to lpfc hba data structure. |
1947 | * @hbainit: pointer to an array of unsigned 32-bit integers. | |
1948 | * | |
1949 | * This routine performs the special handling for LC HBA initialization. | |
1950 | **/ | |
dea3101e | 1951 | void |
1952 | lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) | |
1953 | { | |
1954 | int t; | |
1955 | uint32_t *HashWorking; | |
2e0fef85 | 1956 | uint32_t *pwwnn = (uint32_t *) phba->wwnn; |
dea3101e | 1957 | |
bbfbbbc1 | 1958 | HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); |
dea3101e | 1959 | if (!HashWorking) |
1960 | return; | |
1961 | ||
dea3101e | 1962 | HashWorking[0] = HashWorking[78] = *pwwnn++; |
1963 | HashWorking[1] = HashWorking[79] = *pwwnn; | |
1964 | ||
1965 | for (t = 0; t < 7; t++) | |
1966 | lpfc_challenge_key(phba->RandomData + t, HashWorking + t); | |
1967 | ||
1968 | lpfc_sha_init(hbainit); | |
1969 | lpfc_sha_iterate(hbainit, HashWorking); | |
1970 | kfree(HashWorking); | |
1971 | } | |
1972 | ||
e59058c4 | 1973 | /** |
3621a710 | 1974 | * lpfc_cleanup - Performs vport cleanups before deleting a vport |
e59058c4 JS |
1975 | * @vport: pointer to a virtual N_Port data structure. |
1976 | * | |
1977 | * This routine performs the necessary cleanups before deleting the @vport. | |
1978 | * It invokes the discovery state machine to perform necessary state | |
1979 | * transitions and to release the ndlps associated with the @vport. Note, | |
1980 | * the physical port is treated as @vport 0. | |
1981 | **/ | |
87af33fe | 1982 | void |
2e0fef85 | 1983 | lpfc_cleanup(struct lpfc_vport *vport) |
dea3101e | 1984 | { |
87af33fe | 1985 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1986 | struct lpfc_nodelist *ndlp, *next_ndlp; |
a8adb832 | 1987 | int i = 0; |
dea3101e | 1988 | |
87af33fe JS |
1989 | if (phba->link_state > LPFC_LINK_DOWN) |
1990 | lpfc_port_link_failure(vport); | |
1991 | ||
1992 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
1993 | if (!NLP_CHK_NODE_ACT(ndlp)) { |
1994 | ndlp = lpfc_enable_node(vport, ndlp, | |
1995 | NLP_STE_UNUSED_NODE); | |
1996 | if (!ndlp) | |
1997 | continue; | |
1998 | spin_lock_irq(&phba->ndlp_lock); | |
1999 | NLP_SET_FREE_REQ(ndlp); | |
2000 | spin_unlock_irq(&phba->ndlp_lock); | |
2001 | /* Trigger the release of the ndlp memory */ | |
2002 | lpfc_nlp_put(ndlp); | |
2003 | continue; | |
2004 | } | |
2005 | spin_lock_irq(&phba->ndlp_lock); | |
2006 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
2007 | /* The ndlp should not be in memory free mode already */ | |
2008 | spin_unlock_irq(&phba->ndlp_lock); | |
2009 | continue; | |
2010 | } else | |
2011 | /* Indicate request for freeing ndlp memory */ | |
2012 | NLP_SET_FREE_REQ(ndlp); | |
2013 | spin_unlock_irq(&phba->ndlp_lock); | |
2014 | ||
58da1ffb JS |
2015 | if (vport->port_type != LPFC_PHYSICAL_PORT && |
2016 | ndlp->nlp_DID == Fabric_DID) { | |
2017 | /* Just free up ndlp with Fabric_DID for vports */ | |
2018 | lpfc_nlp_put(ndlp); | |
2019 | continue; | |
2020 | } | |
2021 | ||
87af33fe JS |
2022 | if (ndlp->nlp_type & NLP_FABRIC) |
2023 | lpfc_disc_state_machine(vport, ndlp, NULL, | |
2024 | NLP_EVT_DEVICE_RECOVERY); | |
e47c9093 | 2025 | |
87af33fe JS |
2026 | lpfc_disc_state_machine(vport, ndlp, NULL, |
2027 | NLP_EVT_DEVICE_RM); | |
495a714c | 2028 | |
87af33fe JS |
2029 | } |
2030 | ||
a8adb832 JS |
2031 | /* At this point, ALL ndlp's should be gone |
2032 | * because of the previous NLP_EVT_DEVICE_RM. | |
2033 | * Lets wait for this to happen, if needed. | |
2034 | */ | |
87af33fe | 2035 | while (!list_empty(&vport->fc_nodes)) { |
a8adb832 | 2036 | if (i++ > 3000) { |
87af33fe | 2037 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
a8adb832 | 2038 | "0233 Nodelist not empty\n"); |
e47c9093 JS |
2039 | list_for_each_entry_safe(ndlp, next_ndlp, |
2040 | &vport->fc_nodes, nlp_listp) { | |
2041 | lpfc_printf_vlog(ndlp->vport, KERN_ERR, | |
2042 | LOG_NODE, | |
d7c255b2 | 2043 | "0282 did:x%x ndlp:x%p " |
e47c9093 JS |
2044 | "usgmap:x%x refcnt:%d\n", |
2045 | ndlp->nlp_DID, (void *)ndlp, | |
2046 | ndlp->nlp_usg_map, | |
2047 | atomic_read( | |
2048 | &ndlp->kref.refcount)); | |
2049 | } | |
a8adb832 | 2050 | break; |
87af33fe | 2051 | } |
a8adb832 JS |
2052 | |
2053 | /* Wait for any activity on ndlps to settle */ | |
2054 | msleep(10); | |
87af33fe | 2055 | } |
dea3101e | 2056 | } |
2057 | ||
e59058c4 | 2058 | /** |
3621a710 | 2059 | * lpfc_stop_vport_timers - Stop all the timers associated with a vport |
e59058c4 JS |
2060 | * @vport: pointer to a virtual N_Port data structure. |
2061 | * | |
2062 | * This routine stops all the timers associated with a @vport. This function | |
2063 | * is invoked before disabling or deleting a @vport. Note that the physical | |
2064 | * port is treated as @vport 0. | |
2065 | **/ | |
92d7f7b0 JS |
2066 | void |
2067 | lpfc_stop_vport_timers(struct lpfc_vport *vport) | |
dea3101e | 2068 | { |
92d7f7b0 JS |
2069 | del_timer_sync(&vport->els_tmofunc); |
2070 | del_timer_sync(&vport->fc_fdmitmo); | |
2071 | lpfc_can_disctmo(vport); | |
2072 | return; | |
dea3101e | 2073 | } |
2074 | ||
e59058c4 | 2075 | /** |
3772a991 | 2076 | * lpfc_stop_hba_timers - Stop all the timers associated with an HBA |
e59058c4 JS |
2077 | * @phba: pointer to lpfc hba data structure. |
2078 | * | |
2079 | * This routine stops all the timers associated with a HBA. This function is | |
2080 | * invoked before either putting a HBA offline or unloading the driver. | |
2081 | **/ | |
3772a991 JS |
2082 | void |
2083 | lpfc_stop_hba_timers(struct lpfc_hba *phba) | |
dea3101e | 2084 | { |
51ef4c26 | 2085 | lpfc_stop_vport_timers(phba->pport); |
2e0fef85 | 2086 | del_timer_sync(&phba->sli.mbox_tmo); |
92d7f7b0 | 2087 | del_timer_sync(&phba->fabric_block_timer); |
9399627f | 2088 | del_timer_sync(&phba->eratt_poll); |
3772a991 JS |
2089 | del_timer_sync(&phba->hb_tmofunc); |
2090 | phba->hb_outstanding = 0; | |
2091 | ||
2092 | switch (phba->pci_dev_grp) { | |
2093 | case LPFC_PCI_DEV_LP: | |
2094 | /* Stop any LightPulse device specific driver timers */ | |
2095 | del_timer_sync(&phba->fcp_poll_timer); | |
2096 | break; | |
2097 | case LPFC_PCI_DEV_OC: | |
2098 | /* Stop any OneConnect device sepcific driver timers */ | |
2099 | break; | |
2100 | default: | |
2101 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2102 | "0297 Invalid device group (x%x)\n", | |
2103 | phba->pci_dev_grp); | |
2104 | break; | |
2105 | } | |
2e0fef85 | 2106 | return; |
dea3101e | 2107 | } |
2108 | ||
e59058c4 | 2109 | /** |
3621a710 | 2110 | * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked |
e59058c4 JS |
2111 | * @phba: pointer to lpfc hba data structure. |
2112 | * | |
2113 | * This routine marks a HBA's management interface as blocked. Once the HBA's | |
2114 | * management interface is marked as blocked, all the user space access to | |
2115 | * the HBA, whether they are from sysfs interface or libdfc interface will | |
2116 | * all be blocked. The HBA is set to block the management interface when the | |
2117 | * driver prepares the HBA interface for online or offline. | |
2118 | **/ | |
a6ababd2 AB |
2119 | static void |
2120 | lpfc_block_mgmt_io(struct lpfc_hba * phba) | |
2121 | { | |
2122 | unsigned long iflag; | |
2123 | ||
2124 | spin_lock_irqsave(&phba->hbalock, iflag); | |
2125 | phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; | |
2126 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
2127 | } | |
2128 | ||
e59058c4 | 2129 | /** |
3621a710 | 2130 | * lpfc_online - Initialize and bring a HBA online |
e59058c4 JS |
2131 | * @phba: pointer to lpfc hba data structure. |
2132 | * | |
2133 | * This routine initializes the HBA and brings a HBA online. During this | |
2134 | * process, the management interface is blocked to prevent user space access | |
2135 | * to the HBA interfering with the driver initialization. | |
2136 | * | |
2137 | * Return codes | |
2138 | * 0 - successful | |
2139 | * 1 - failed | |
2140 | **/ | |
dea3101e | 2141 | int |
2e0fef85 | 2142 | lpfc_online(struct lpfc_hba *phba) |
dea3101e | 2143 | { |
372bd282 | 2144 | struct lpfc_vport *vport; |
549e55cd JS |
2145 | struct lpfc_vport **vports; |
2146 | int i; | |
2e0fef85 | 2147 | |
dea3101e | 2148 | if (!phba) |
2149 | return 0; | |
372bd282 | 2150 | vport = phba->pport; |
dea3101e | 2151 | |
2e0fef85 | 2152 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) |
dea3101e | 2153 | return 0; |
2154 | ||
ed957684 | 2155 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 2156 | "0458 Bring Adapter online\n"); |
dea3101e | 2157 | |
46fa311e JS |
2158 | lpfc_block_mgmt_io(phba); |
2159 | ||
2160 | if (!lpfc_sli_queue_setup(phba)) { | |
2161 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 2162 | return 1; |
46fa311e | 2163 | } |
dea3101e | 2164 | |
da0436e9 JS |
2165 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2166 | if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */ | |
2167 | lpfc_unblock_mgmt_io(phba); | |
2168 | return 1; | |
2169 | } | |
2170 | } else { | |
2171 | if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */ | |
2172 | lpfc_unblock_mgmt_io(phba); | |
2173 | return 1; | |
2174 | } | |
46fa311e | 2175 | } |
dea3101e | 2176 | |
549e55cd JS |
2177 | vports = lpfc_create_vport_work_array(phba); |
2178 | if (vports != NULL) | |
da0436e9 | 2179 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd JS |
2180 | struct Scsi_Host *shost; |
2181 | shost = lpfc_shost_from_vport(vports[i]); | |
2182 | spin_lock_irq(shost->host_lock); | |
2183 | vports[i]->fc_flag &= ~FC_OFFLINE_MODE; | |
2184 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
2185 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
1c6834a7 JS |
2186 | if (phba->sli_rev == LPFC_SLI_REV4) |
2187 | vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; | |
549e55cd JS |
2188 | spin_unlock_irq(shost->host_lock); |
2189 | } | |
09372820 | 2190 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 2191 | |
46fa311e | 2192 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 2193 | return 0; |
2194 | } | |
2195 | ||
e59058c4 | 2196 | /** |
3621a710 | 2197 | * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked |
e59058c4 JS |
2198 | * @phba: pointer to lpfc hba data structure. |
2199 | * | |
2200 | * This routine marks a HBA's management interface as not blocked. Once the | |
2201 | * HBA's management interface is marked as not blocked, all the user space | |
2202 | * access to the HBA, whether they are from sysfs interface or libdfc | |
2203 | * interface will be allowed. The HBA is set to block the management interface | |
2204 | * when the driver prepares the HBA interface for online or offline and then | |
2205 | * set to unblock the management interface afterwards. | |
2206 | **/ | |
46fa311e JS |
2207 | void |
2208 | lpfc_unblock_mgmt_io(struct lpfc_hba * phba) | |
2209 | { | |
2210 | unsigned long iflag; | |
2211 | ||
2e0fef85 JS |
2212 | spin_lock_irqsave(&phba->hbalock, iflag); |
2213 | phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; | |
2214 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
46fa311e JS |
2215 | } |
2216 | ||
e59058c4 | 2217 | /** |
3621a710 | 2218 | * lpfc_offline_prep - Prepare a HBA to be brought offline |
e59058c4 JS |
2219 | * @phba: pointer to lpfc hba data structure. |
2220 | * | |
2221 | * This routine is invoked to prepare a HBA to be brought offline. It performs | |
2222 | * unregistration login to all the nodes on all vports and flushes the mailbox | |
2223 | * queue to make it ready to be brought offline. | |
2224 | **/ | |
46fa311e JS |
2225 | void |
2226 | lpfc_offline_prep(struct lpfc_hba * phba) | |
2227 | { | |
2e0fef85 | 2228 | struct lpfc_vport *vport = phba->pport; |
46fa311e | 2229 | struct lpfc_nodelist *ndlp, *next_ndlp; |
87af33fe JS |
2230 | struct lpfc_vport **vports; |
2231 | int i; | |
dea3101e | 2232 | |
2e0fef85 | 2233 | if (vport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 2234 | return; |
dea3101e | 2235 | |
46fa311e | 2236 | lpfc_block_mgmt_io(phba); |
dea3101e | 2237 | |
2238 | lpfc_linkdown(phba); | |
2239 | ||
87af33fe JS |
2240 | /* Issue an unreg_login to all nodes on all vports */ |
2241 | vports = lpfc_create_vport_work_array(phba); | |
2242 | if (vports != NULL) { | |
da0436e9 | 2243 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
87af33fe JS |
2244 | struct Scsi_Host *shost; |
2245 | ||
a8adb832 JS |
2246 | if (vports[i]->load_flag & FC_UNLOADING) |
2247 | continue; | |
c868595d | 2248 | vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED; |
87af33fe JS |
2249 | shost = lpfc_shost_from_vport(vports[i]); |
2250 | list_for_each_entry_safe(ndlp, next_ndlp, | |
2251 | &vports[i]->fc_nodes, | |
2252 | nlp_listp) { | |
e47c9093 JS |
2253 | if (!NLP_CHK_NODE_ACT(ndlp)) |
2254 | continue; | |
87af33fe JS |
2255 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
2256 | continue; | |
2257 | if (ndlp->nlp_type & NLP_FABRIC) { | |
2258 | lpfc_disc_state_machine(vports[i], ndlp, | |
2259 | NULL, NLP_EVT_DEVICE_RECOVERY); | |
2260 | lpfc_disc_state_machine(vports[i], ndlp, | |
2261 | NULL, NLP_EVT_DEVICE_RM); | |
2262 | } | |
2263 | spin_lock_irq(shost->host_lock); | |
2264 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
2265 | spin_unlock_irq(shost->host_lock); | |
2266 | lpfc_unreg_rpi(vports[i], ndlp); | |
2267 | } | |
2268 | } | |
2269 | } | |
09372820 | 2270 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 2271 | |
04c68496 | 2272 | lpfc_sli_mbox_sys_shutdown(phba); |
46fa311e JS |
2273 | } |
2274 | ||
e59058c4 | 2275 | /** |
3621a710 | 2276 | * lpfc_offline - Bring a HBA offline |
e59058c4 JS |
2277 | * @phba: pointer to lpfc hba data structure. |
2278 | * | |
2279 | * This routine actually brings a HBA offline. It stops all the timers | |
2280 | * associated with the HBA, brings down the SLI layer, and eventually | |
2281 | * marks the HBA as in offline state for the upper layer protocol. | |
2282 | **/ | |
46fa311e | 2283 | void |
2e0fef85 | 2284 | lpfc_offline(struct lpfc_hba *phba) |
46fa311e | 2285 | { |
549e55cd JS |
2286 | struct Scsi_Host *shost; |
2287 | struct lpfc_vport **vports; | |
2288 | int i; | |
46fa311e | 2289 | |
549e55cd | 2290 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 2291 | return; |
688a8863 | 2292 | |
da0436e9 JS |
2293 | /* stop port and all timers associated with this hba */ |
2294 | lpfc_stop_port(phba); | |
51ef4c26 JS |
2295 | vports = lpfc_create_vport_work_array(phba); |
2296 | if (vports != NULL) | |
da0436e9 | 2297 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) |
51ef4c26 | 2298 | lpfc_stop_vport_timers(vports[i]); |
09372820 | 2299 | lpfc_destroy_vport_work_array(phba, vports); |
92d7f7b0 | 2300 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 2301 | "0460 Bring Adapter offline\n"); |
dea3101e | 2302 | /* Bring down the SLI Layer and cleanup. The HBA is offline |
2303 | now. */ | |
2304 | lpfc_sli_hba_down(phba); | |
92d7f7b0 | 2305 | spin_lock_irq(&phba->hbalock); |
7054a606 | 2306 | phba->work_ha = 0; |
92d7f7b0 | 2307 | spin_unlock_irq(&phba->hbalock); |
549e55cd JS |
2308 | vports = lpfc_create_vport_work_array(phba); |
2309 | if (vports != NULL) | |
da0436e9 | 2310 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd | 2311 | shost = lpfc_shost_from_vport(vports[i]); |
549e55cd JS |
2312 | spin_lock_irq(shost->host_lock); |
2313 | vports[i]->work_port_events = 0; | |
2314 | vports[i]->fc_flag |= FC_OFFLINE_MODE; | |
2315 | spin_unlock_irq(shost->host_lock); | |
2316 | } | |
09372820 | 2317 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 2318 | } |
2319 | ||
e59058c4 | 2320 | /** |
3621a710 | 2321 | * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists |
e59058c4 JS |
2322 | * @phba: pointer to lpfc hba data structure. |
2323 | * | |
2324 | * This routine is to free all the SCSI buffers and IOCBs from the driver | |
2325 | * list back to kernel. It is called from lpfc_pci_remove_one to free | |
2326 | * the internal resources before the device is removed from the system. | |
2327 | * | |
2328 | * Return codes | |
2329 | * 0 - successful (for now, it always returns 0) | |
2330 | **/ | |
dea3101e | 2331 | static int |
2e0fef85 | 2332 | lpfc_scsi_free(struct lpfc_hba *phba) |
dea3101e | 2333 | { |
2334 | struct lpfc_scsi_buf *sb, *sb_next; | |
2335 | struct lpfc_iocbq *io, *io_next; | |
2336 | ||
2e0fef85 | 2337 | spin_lock_irq(&phba->hbalock); |
dea3101e | 2338 | /* Release all the lpfc_scsi_bufs maintained by this host. */ |
1c6f4ef5 | 2339 | spin_lock(&phba->scsi_buf_list_lock); |
dea3101e | 2340 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { |
2341 | list_del(&sb->list); | |
2342 | pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, | |
92d7f7b0 | 2343 | sb->dma_handle); |
dea3101e | 2344 | kfree(sb); |
2345 | phba->total_scsi_bufs--; | |
2346 | } | |
1c6f4ef5 | 2347 | spin_unlock(&phba->scsi_buf_list_lock); |
dea3101e | 2348 | |
2349 | /* Release all the lpfc_iocbq entries maintained by this host. */ | |
2350 | list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { | |
2351 | list_del(&io->list); | |
2352 | kfree(io); | |
2353 | phba->total_iocbq_bufs--; | |
2354 | } | |
2e0fef85 | 2355 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2356 | return 0; |
2357 | } | |
2358 | ||
e59058c4 | 2359 | /** |
3621a710 | 2360 | * lpfc_create_port - Create an FC port |
e59058c4 JS |
2361 | * @phba: pointer to lpfc hba data structure. |
2362 | * @instance: a unique integer ID to this FC port. | |
2363 | * @dev: pointer to the device data structure. | |
2364 | * | |
2365 | * This routine creates a FC port for the upper layer protocol. The FC port | |
2366 | * can be created on top of either a physical port or a virtual port provided | |
2367 | * by the HBA. This routine also allocates a SCSI host data structure (shost) | |
2368 | * and associates the FC port created before adding the shost into the SCSI | |
2369 | * layer. | |
2370 | * | |
2371 | * Return codes | |
2372 | * @vport - pointer to the virtual N_Port data structure. | |
2373 | * NULL - port create failed. | |
2374 | **/ | |
2e0fef85 | 2375 | struct lpfc_vport * |
3de2a653 | 2376 | lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) |
47a8617c | 2377 | { |
2e0fef85 JS |
2378 | struct lpfc_vport *vport; |
2379 | struct Scsi_Host *shost; | |
2380 | int error = 0; | |
47a8617c | 2381 | |
3de2a653 JS |
2382 | if (dev != &phba->pcidev->dev) |
2383 | shost = scsi_host_alloc(&lpfc_vport_template, | |
2384 | sizeof(struct lpfc_vport)); | |
2385 | else | |
2386 | shost = scsi_host_alloc(&lpfc_template, | |
2387 | sizeof(struct lpfc_vport)); | |
2e0fef85 JS |
2388 | if (!shost) |
2389 | goto out; | |
47a8617c | 2390 | |
2e0fef85 JS |
2391 | vport = (struct lpfc_vport *) shost->hostdata; |
2392 | vport->phba = phba; | |
2e0fef85 | 2393 | vport->load_flag |= FC_LOADING; |
92d7f7b0 | 2394 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
7f5f3d0d | 2395 | vport->fc_rscn_flush = 0; |
47a8617c | 2396 | |
3de2a653 | 2397 | lpfc_get_vport_cfgparam(vport); |
2e0fef85 JS |
2398 | shost->unique_id = instance; |
2399 | shost->max_id = LPFC_MAX_TARGET; | |
3de2a653 | 2400 | shost->max_lun = vport->cfg_max_luns; |
2e0fef85 JS |
2401 | shost->this_id = -1; |
2402 | shost->max_cmd_len = 16; | |
da0436e9 JS |
2403 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2404 | shost->dma_boundary = LPFC_SLI4_MAX_SEGMENT_SIZE; | |
2405 | shost->sg_tablesize = phba->cfg_sg_seg_cnt; | |
2406 | } | |
81301a9b | 2407 | |
47a8617c | 2408 | /* |
2e0fef85 JS |
2409 | * Set initial can_queue value since 0 is no longer supported and |
2410 | * scsi_add_host will fail. This will be adjusted later based on the | |
2411 | * max xri value determined in hba setup. | |
47a8617c | 2412 | */ |
2e0fef85 | 2413 | shost->can_queue = phba->cfg_hba_queue_depth - 10; |
3de2a653 | 2414 | if (dev != &phba->pcidev->dev) { |
92d7f7b0 JS |
2415 | shost->transportt = lpfc_vport_transport_template; |
2416 | vport->port_type = LPFC_NPIV_PORT; | |
2417 | } else { | |
2418 | shost->transportt = lpfc_transport_template; | |
2419 | vport->port_type = LPFC_PHYSICAL_PORT; | |
2420 | } | |
47a8617c | 2421 | |
2e0fef85 JS |
2422 | /* Initialize all internally managed lists. */ |
2423 | INIT_LIST_HEAD(&vport->fc_nodes); | |
da0436e9 | 2424 | INIT_LIST_HEAD(&vport->rcv_buffer_list); |
2e0fef85 | 2425 | spin_lock_init(&vport->work_port_lock); |
47a8617c | 2426 | |
2e0fef85 JS |
2427 | init_timer(&vport->fc_disctmo); |
2428 | vport->fc_disctmo.function = lpfc_disc_timeout; | |
92d7f7b0 | 2429 | vport->fc_disctmo.data = (unsigned long)vport; |
47a8617c | 2430 | |
2e0fef85 JS |
2431 | init_timer(&vport->fc_fdmitmo); |
2432 | vport->fc_fdmitmo.function = lpfc_fdmi_tmo; | |
92d7f7b0 | 2433 | vport->fc_fdmitmo.data = (unsigned long)vport; |
47a8617c | 2434 | |
2e0fef85 JS |
2435 | init_timer(&vport->els_tmofunc); |
2436 | vport->els_tmofunc.function = lpfc_els_timeout; | |
92d7f7b0 | 2437 | vport->els_tmofunc.data = (unsigned long)vport; |
47a8617c | 2438 | |
d139b9bd | 2439 | error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev); |
2e0fef85 JS |
2440 | if (error) |
2441 | goto out_put_shost; | |
47a8617c | 2442 | |
549e55cd | 2443 | spin_lock_irq(&phba->hbalock); |
2e0fef85 | 2444 | list_add_tail(&vport->listentry, &phba->port_list); |
549e55cd | 2445 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 2446 | return vport; |
47a8617c | 2447 | |
2e0fef85 JS |
2448 | out_put_shost: |
2449 | scsi_host_put(shost); | |
2450 | out: | |
2451 | return NULL; | |
47a8617c JS |
2452 | } |
2453 | ||
e59058c4 | 2454 | /** |
3621a710 | 2455 | * destroy_port - destroy an FC port |
e59058c4 JS |
2456 | * @vport: pointer to an lpfc virtual N_Port data structure. |
2457 | * | |
2458 | * This routine destroys a FC port from the upper layer protocol. All the | |
2459 | * resources associated with the port are released. | |
2460 | **/ | |
2e0fef85 JS |
2461 | void |
2462 | destroy_port(struct lpfc_vport *vport) | |
47a8617c | 2463 | { |
92d7f7b0 JS |
2464 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2465 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 2466 | |
858c9f6c | 2467 | lpfc_debugfs_terminate(vport); |
92d7f7b0 JS |
2468 | fc_remove_host(shost); |
2469 | scsi_remove_host(shost); | |
47a8617c | 2470 | |
92d7f7b0 JS |
2471 | spin_lock_irq(&phba->hbalock); |
2472 | list_del_init(&vport->listentry); | |
2473 | spin_unlock_irq(&phba->hbalock); | |
47a8617c | 2474 | |
92d7f7b0 | 2475 | lpfc_cleanup(vport); |
47a8617c | 2476 | return; |
47a8617c JS |
2477 | } |
2478 | ||
e59058c4 | 2479 | /** |
3621a710 | 2480 | * lpfc_get_instance - Get a unique integer ID |
e59058c4 JS |
2481 | * |
2482 | * This routine allocates a unique integer ID from lpfc_hba_index pool. It | |
2483 | * uses the kernel idr facility to perform the task. | |
2484 | * | |
2485 | * Return codes: | |
2486 | * instance - a unique integer ID allocated as the new instance. | |
2487 | * -1 - lpfc get instance failed. | |
2488 | **/ | |
92d7f7b0 JS |
2489 | int |
2490 | lpfc_get_instance(void) | |
2491 | { | |
2492 | int instance = 0; | |
47a8617c | 2493 | |
92d7f7b0 JS |
2494 | /* Assign an unused number */ |
2495 | if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) | |
2496 | return -1; | |
2497 | if (idr_get_new(&lpfc_hba_index, NULL, &instance)) | |
2498 | return -1; | |
2499 | return instance; | |
47a8617c JS |
2500 | } |
2501 | ||
e59058c4 | 2502 | /** |
3621a710 | 2503 | * lpfc_scan_finished - method for SCSI layer to detect whether scan is done |
e59058c4 JS |
2504 | * @shost: pointer to SCSI host data structure. |
2505 | * @time: elapsed time of the scan in jiffies. | |
2506 | * | |
2507 | * This routine is called by the SCSI layer with a SCSI host to determine | |
2508 | * whether the scan host is finished. | |
2509 | * | |
2510 | * Note: there is no scan_start function as adapter initialization will have | |
2511 | * asynchronously kicked off the link initialization. | |
2512 | * | |
2513 | * Return codes | |
2514 | * 0 - SCSI host scan is not over yet. | |
2515 | * 1 - SCSI host scan is over. | |
2516 | **/ | |
47a8617c JS |
2517 | int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) |
2518 | { | |
2e0fef85 JS |
2519 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2520 | struct lpfc_hba *phba = vport->phba; | |
858c9f6c | 2521 | int stat = 0; |
47a8617c | 2522 | |
858c9f6c JS |
2523 | spin_lock_irq(shost->host_lock); |
2524 | ||
51ef4c26 | 2525 | if (vport->load_flag & FC_UNLOADING) { |
858c9f6c JS |
2526 | stat = 1; |
2527 | goto finished; | |
2528 | } | |
2e0fef85 JS |
2529 | if (time >= 30 * HZ) { |
2530 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
2531 | "0461 Scanning longer than 30 " |
2532 | "seconds. Continuing initialization\n"); | |
858c9f6c | 2533 | stat = 1; |
47a8617c | 2534 | goto finished; |
2e0fef85 JS |
2535 | } |
2536 | if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) { | |
2537 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
2538 | "0465 Link down longer than 15 " |
2539 | "seconds. Continuing initialization\n"); | |
858c9f6c | 2540 | stat = 1; |
47a8617c | 2541 | goto finished; |
2e0fef85 | 2542 | } |
47a8617c | 2543 | |
2e0fef85 | 2544 | if (vport->port_state != LPFC_VPORT_READY) |
858c9f6c | 2545 | goto finished; |
2e0fef85 | 2546 | if (vport->num_disc_nodes || vport->fc_prli_sent) |
858c9f6c | 2547 | goto finished; |
2e0fef85 | 2548 | if (vport->fc_map_cnt == 0 && time < 2 * HZ) |
858c9f6c | 2549 | goto finished; |
2e0fef85 | 2550 | if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) |
858c9f6c JS |
2551 | goto finished; |
2552 | ||
2553 | stat = 1; | |
47a8617c JS |
2554 | |
2555 | finished: | |
858c9f6c JS |
2556 | spin_unlock_irq(shost->host_lock); |
2557 | return stat; | |
92d7f7b0 | 2558 | } |
47a8617c | 2559 | |
e59058c4 | 2560 | /** |
3621a710 | 2561 | * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port |
e59058c4 JS |
2562 | * @shost: pointer to SCSI host data structure. |
2563 | * | |
2564 | * This routine initializes a given SCSI host attributes on a FC port. The | |
2565 | * SCSI host can be either on top of a physical port or a virtual port. | |
2566 | **/ | |
92d7f7b0 JS |
2567 | void lpfc_host_attrib_init(struct Scsi_Host *shost) |
2568 | { | |
2569 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2570 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 2571 | /* |
2e0fef85 | 2572 | * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). |
47a8617c JS |
2573 | */ |
2574 | ||
2e0fef85 JS |
2575 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); |
2576 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
47a8617c JS |
2577 | fc_host_supported_classes(shost) = FC_COS_CLASS3; |
2578 | ||
2579 | memset(fc_host_supported_fc4s(shost), 0, | |
2e0fef85 | 2580 | sizeof(fc_host_supported_fc4s(shost))); |
47a8617c JS |
2581 | fc_host_supported_fc4s(shost)[2] = 1; |
2582 | fc_host_supported_fc4s(shost)[7] = 1; | |
2583 | ||
92d7f7b0 JS |
2584 | lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), |
2585 | sizeof fc_host_symbolic_name(shost)); | |
47a8617c JS |
2586 | |
2587 | fc_host_supported_speeds(shost) = 0; | |
2588 | if (phba->lmt & LMT_10Gb) | |
2589 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; | |
a8adb832 JS |
2590 | if (phba->lmt & LMT_8Gb) |
2591 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; | |
47a8617c JS |
2592 | if (phba->lmt & LMT_4Gb) |
2593 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; | |
2594 | if (phba->lmt & LMT_2Gb) | |
2595 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; | |
2596 | if (phba->lmt & LMT_1Gb) | |
2597 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; | |
2598 | ||
2599 | fc_host_maxframe_size(shost) = | |
2e0fef85 JS |
2600 | (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | |
2601 | (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; | |
47a8617c JS |
2602 | |
2603 | /* This value is also unchanging */ | |
2604 | memset(fc_host_active_fc4s(shost), 0, | |
2e0fef85 | 2605 | sizeof(fc_host_active_fc4s(shost))); |
47a8617c JS |
2606 | fc_host_active_fc4s(shost)[2] = 1; |
2607 | fc_host_active_fc4s(shost)[7] = 1; | |
2608 | ||
92d7f7b0 | 2609 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
47a8617c | 2610 | spin_lock_irq(shost->host_lock); |
51ef4c26 | 2611 | vport->load_flag &= ~FC_LOADING; |
47a8617c | 2612 | spin_unlock_irq(shost->host_lock); |
47a8617c | 2613 | } |
dea3101e | 2614 | |
e59058c4 | 2615 | /** |
da0436e9 | 2616 | * lpfc_stop_port_s3 - Stop SLI3 device port |
e59058c4 JS |
2617 | * @phba: pointer to lpfc hba data structure. |
2618 | * | |
da0436e9 JS |
2619 | * This routine is invoked to stop an SLI3 device port, it stops the device |
2620 | * from generating interrupts and stops the device driver's timers for the | |
2621 | * device. | |
e59058c4 | 2622 | **/ |
da0436e9 JS |
2623 | static void |
2624 | lpfc_stop_port_s3(struct lpfc_hba *phba) | |
db2378e0 | 2625 | { |
da0436e9 JS |
2626 | /* Clear all interrupt enable conditions */ |
2627 | writel(0, phba->HCregaddr); | |
2628 | readl(phba->HCregaddr); /* flush */ | |
2629 | /* Clear all pending interrupts */ | |
2630 | writel(0xffffffff, phba->HAregaddr); | |
2631 | readl(phba->HAregaddr); /* flush */ | |
db2378e0 | 2632 | |
da0436e9 JS |
2633 | /* Reset some HBA SLI setup states */ |
2634 | lpfc_stop_hba_timers(phba); | |
2635 | phba->pport->work_port_events = 0; | |
2636 | } | |
db2378e0 | 2637 | |
da0436e9 JS |
2638 | /** |
2639 | * lpfc_stop_port_s4 - Stop SLI4 device port | |
2640 | * @phba: pointer to lpfc hba data structure. | |
2641 | * | |
2642 | * This routine is invoked to stop an SLI4 device port, it stops the device | |
2643 | * from generating interrupts and stops the device driver's timers for the | |
2644 | * device. | |
2645 | **/ | |
2646 | static void | |
2647 | lpfc_stop_port_s4(struct lpfc_hba *phba) | |
2648 | { | |
2649 | /* Reset some HBA SLI4 setup states */ | |
2650 | lpfc_stop_hba_timers(phba); | |
2651 | phba->pport->work_port_events = 0; | |
2652 | phba->sli4_hba.intr_enable = 0; | |
2653 | /* Hard clear it for now, shall have more graceful way to wait later */ | |
2654 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
2655 | } | |
9399627f | 2656 | |
da0436e9 JS |
2657 | /** |
2658 | * lpfc_stop_port - Wrapper function for stopping hba port | |
2659 | * @phba: Pointer to HBA context object. | |
2660 | * | |
2661 | * This routine wraps the actual SLI3 or SLI4 hba stop port routine from | |
2662 | * the API jump table function pointer from the lpfc_hba struct. | |
2663 | **/ | |
2664 | void | |
2665 | lpfc_stop_port(struct lpfc_hba *phba) | |
2666 | { | |
2667 | phba->lpfc_stop_port(phba); | |
2668 | } | |
db2378e0 | 2669 | |
da0436e9 JS |
2670 | /** |
2671 | * lpfc_sli4_remove_dflt_fcf - Remove the driver default fcf record from the port. | |
2672 | * @phba: pointer to lpfc hba data structure. | |
2673 | * | |
2674 | * This routine is invoked to remove the driver default fcf record from | |
2675 | * the port. This routine currently acts on FCF Index 0. | |
2676 | * | |
2677 | **/ | |
2678 | void | |
2679 | lpfc_sli_remove_dflt_fcf(struct lpfc_hba *phba) | |
2680 | { | |
2681 | int rc = 0; | |
2682 | LPFC_MBOXQ_t *mboxq; | |
2683 | struct lpfc_mbx_del_fcf_tbl_entry *del_fcf_record; | |
2684 | uint32_t mbox_tmo, req_len; | |
2685 | uint32_t shdr_status, shdr_add_status; | |
9399627f | 2686 | |
da0436e9 JS |
2687 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
2688 | if (!mboxq) { | |
2689 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2690 | "2020 Failed to allocate mbox for ADD_FCF cmd\n"); | |
2691 | return; | |
db2378e0 | 2692 | } |
9399627f | 2693 | |
da0436e9 JS |
2694 | req_len = sizeof(struct lpfc_mbx_del_fcf_tbl_entry) - |
2695 | sizeof(struct lpfc_sli4_cfg_mhdr); | |
2696 | rc = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, | |
2697 | LPFC_MBOX_OPCODE_FCOE_DELETE_FCF, | |
2698 | req_len, LPFC_SLI4_MBX_EMBED); | |
9399627f | 2699 | /* |
da0436e9 JS |
2700 | * In phase 1, there is a single FCF index, 0. In phase2, the driver |
2701 | * supports multiple FCF indices. | |
9399627f | 2702 | */ |
da0436e9 JS |
2703 | del_fcf_record = &mboxq->u.mqe.un.del_fcf_entry; |
2704 | bf_set(lpfc_mbx_del_fcf_tbl_count, del_fcf_record, 1); | |
2705 | bf_set(lpfc_mbx_del_fcf_tbl_index, del_fcf_record, | |
2706 | phba->fcf.fcf_indx); | |
9399627f | 2707 | |
da0436e9 JS |
2708 | if (!phba->sli4_hba.intr_enable) |
2709 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
2710 | else { | |
2711 | mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG); | |
2712 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); | |
9399627f | 2713 | } |
da0436e9 JS |
2714 | /* The IOCTL status is embedded in the mailbox subheader. */ |
2715 | shdr_status = bf_get(lpfc_mbox_hdr_status, | |
2716 | &del_fcf_record->header.cfg_shdr.response); | |
2717 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
2718 | &del_fcf_record->header.cfg_shdr.response); | |
2719 | if (shdr_status || shdr_add_status || rc != MBX_SUCCESS) { | |
2720 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2721 | "2516 DEL FCF of default FCF Index failed " | |
2722 | "mbx status x%x, status x%x add_status x%x\n", | |
2723 | rc, shdr_status, shdr_add_status); | |
9399627f | 2724 | } |
da0436e9 JS |
2725 | if (rc != MBX_TIMEOUT) |
2726 | mempool_free(mboxq, phba->mbox_mem_pool); | |
db2378e0 JS |
2727 | } |
2728 | ||
6669f9bb JS |
2729 | /** |
2730 | * lpfc_sli4_fw_cfg_check - Read the firmware config and verify FCoE support | |
2731 | * @phba: pointer to lpfc hba data structure. | |
2732 | * | |
2733 | * This function uses the QUERY_FW_CFG mailbox command to determine if the | |
2734 | * firmware loaded supports FCoE. A return of zero indicates that the mailbox | |
2735 | * was successful and the firmware supports FCoE. Any other return indicates | |
2736 | * a error. It is assumed that this function will be called before interrupts | |
2737 | * are enabled. | |
2738 | **/ | |
2739 | static int | |
2740 | lpfc_sli4_fw_cfg_check(struct lpfc_hba *phba) | |
2741 | { | |
2742 | int rc = 0; | |
2743 | LPFC_MBOXQ_t *mboxq; | |
2744 | struct lpfc_mbx_query_fw_cfg *query_fw_cfg; | |
2745 | uint32_t length; | |
2746 | uint32_t shdr_status, shdr_add_status; | |
2747 | ||
2748 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2749 | if (!mboxq) { | |
2750 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2751 | "2621 Failed to allocate mbox for " | |
2752 | "query firmware config cmd\n"); | |
2753 | return -ENOMEM; | |
2754 | } | |
2755 | query_fw_cfg = &mboxq->u.mqe.un.query_fw_cfg; | |
2756 | length = (sizeof(struct lpfc_mbx_query_fw_cfg) - | |
2757 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
2758 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
2759 | LPFC_MBOX_OPCODE_QUERY_FW_CFG, | |
2760 | length, LPFC_SLI4_MBX_EMBED); | |
2761 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
2762 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
2763 | shdr_status = bf_get(lpfc_mbox_hdr_status, | |
2764 | &query_fw_cfg->header.cfg_shdr.response); | |
2765 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
2766 | &query_fw_cfg->header.cfg_shdr.response); | |
2767 | if (shdr_status || shdr_add_status || rc != MBX_SUCCESS) { | |
2768 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2769 | "2622 Query Firmware Config failed " | |
2770 | "mbx status x%x, status x%x add_status x%x\n", | |
2771 | rc, shdr_status, shdr_add_status); | |
2772 | return -EINVAL; | |
2773 | } | |
2774 | if (!bf_get(lpfc_function_mode_fcoe_i, query_fw_cfg)) { | |
2775 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2776 | "2623 FCoE Function not supported by firmware. " | |
2777 | "Function mode = %08x\n", | |
2778 | query_fw_cfg->function_mode); | |
2779 | return -EINVAL; | |
2780 | } | |
2781 | if (rc != MBX_TIMEOUT) | |
2782 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2783 | return 0; | |
2784 | } | |
2785 | ||
e59058c4 | 2786 | /** |
da0436e9 | 2787 | * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code |
e59058c4 | 2788 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 2789 | * @acqe_link: pointer to the async link completion queue entry. |
e59058c4 | 2790 | * |
da0436e9 JS |
2791 | * This routine is to parse the SLI4 link-attention link fault code and |
2792 | * translate it into the base driver's read link attention mailbox command | |
2793 | * status. | |
2794 | * | |
2795 | * Return: Link-attention status in terms of base driver's coding. | |
e59058c4 | 2796 | **/ |
da0436e9 JS |
2797 | static uint16_t |
2798 | lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba, | |
2799 | struct lpfc_acqe_link *acqe_link) | |
db2378e0 | 2800 | { |
da0436e9 | 2801 | uint16_t latt_fault; |
9399627f | 2802 | |
da0436e9 JS |
2803 | switch (bf_get(lpfc_acqe_link_fault, acqe_link)) { |
2804 | case LPFC_ASYNC_LINK_FAULT_NONE: | |
2805 | case LPFC_ASYNC_LINK_FAULT_LOCAL: | |
2806 | case LPFC_ASYNC_LINK_FAULT_REMOTE: | |
2807 | latt_fault = 0; | |
2808 | break; | |
2809 | default: | |
2810 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2811 | "0398 Invalid link fault code: x%x\n", | |
2812 | bf_get(lpfc_acqe_link_fault, acqe_link)); | |
2813 | latt_fault = MBXERR_ERROR; | |
2814 | break; | |
2815 | } | |
2816 | return latt_fault; | |
db2378e0 JS |
2817 | } |
2818 | ||
5b75da2f | 2819 | /** |
da0436e9 | 2820 | * lpfc_sli4_parse_latt_type - Parse sli4 link attention type |
5b75da2f | 2821 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 2822 | * @acqe_link: pointer to the async link completion queue entry. |
5b75da2f | 2823 | * |
da0436e9 JS |
2824 | * This routine is to parse the SLI4 link attention type and translate it |
2825 | * into the base driver's link attention type coding. | |
5b75da2f | 2826 | * |
da0436e9 JS |
2827 | * Return: Link attention type in terms of base driver's coding. |
2828 | **/ | |
2829 | static uint8_t | |
2830 | lpfc_sli4_parse_latt_type(struct lpfc_hba *phba, | |
2831 | struct lpfc_acqe_link *acqe_link) | |
5b75da2f | 2832 | { |
da0436e9 | 2833 | uint8_t att_type; |
5b75da2f | 2834 | |
da0436e9 JS |
2835 | switch (bf_get(lpfc_acqe_link_status, acqe_link)) { |
2836 | case LPFC_ASYNC_LINK_STATUS_DOWN: | |
2837 | case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN: | |
2838 | att_type = AT_LINK_DOWN; | |
2839 | break; | |
2840 | case LPFC_ASYNC_LINK_STATUS_UP: | |
2841 | /* Ignore physical link up events - wait for logical link up */ | |
2842 | att_type = AT_RESERVED; | |
2843 | break; | |
2844 | case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP: | |
2845 | att_type = AT_LINK_UP; | |
2846 | break; | |
2847 | default: | |
2848 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2849 | "0399 Invalid link attention type: x%x\n", | |
2850 | bf_get(lpfc_acqe_link_status, acqe_link)); | |
2851 | att_type = AT_RESERVED; | |
2852 | break; | |
5b75da2f | 2853 | } |
da0436e9 | 2854 | return att_type; |
5b75da2f JS |
2855 | } |
2856 | ||
2857 | /** | |
da0436e9 | 2858 | * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed |
5b75da2f | 2859 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 2860 | * @acqe_link: pointer to the async link completion queue entry. |
5b75da2f | 2861 | * |
da0436e9 JS |
2862 | * This routine is to parse the SLI4 link-attention link speed and translate |
2863 | * it into the base driver's link-attention link speed coding. | |
2864 | * | |
2865 | * Return: Link-attention link speed in terms of base driver's coding. | |
2866 | **/ | |
2867 | static uint8_t | |
2868 | lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba, | |
2869 | struct lpfc_acqe_link *acqe_link) | |
5b75da2f | 2870 | { |
da0436e9 JS |
2871 | uint8_t link_speed; |
2872 | ||
2873 | switch (bf_get(lpfc_acqe_link_speed, acqe_link)) { | |
2874 | case LPFC_ASYNC_LINK_SPEED_ZERO: | |
2875 | link_speed = LA_UNKNW_LINK; | |
2876 | break; | |
2877 | case LPFC_ASYNC_LINK_SPEED_10MBPS: | |
2878 | link_speed = LA_UNKNW_LINK; | |
2879 | break; | |
2880 | case LPFC_ASYNC_LINK_SPEED_100MBPS: | |
2881 | link_speed = LA_UNKNW_LINK; | |
2882 | break; | |
2883 | case LPFC_ASYNC_LINK_SPEED_1GBPS: | |
2884 | link_speed = LA_1GHZ_LINK; | |
2885 | break; | |
2886 | case LPFC_ASYNC_LINK_SPEED_10GBPS: | |
2887 | link_speed = LA_10GHZ_LINK; | |
2888 | break; | |
2889 | default: | |
2890 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2891 | "0483 Invalid link-attention link speed: x%x\n", | |
2892 | bf_get(lpfc_acqe_link_speed, acqe_link)); | |
2893 | link_speed = LA_UNKNW_LINK; | |
2894 | break; | |
2895 | } | |
2896 | return link_speed; | |
2897 | } | |
2898 | ||
2899 | /** | |
2900 | * lpfc_sli4_async_link_evt - Process the asynchronous link event | |
2901 | * @phba: pointer to lpfc hba data structure. | |
2902 | * @acqe_link: pointer to the async link completion queue entry. | |
2903 | * | |
2904 | * This routine is to handle the SLI4 asynchronous link event. | |
2905 | **/ | |
2906 | static void | |
2907 | lpfc_sli4_async_link_evt(struct lpfc_hba *phba, | |
2908 | struct lpfc_acqe_link *acqe_link) | |
2909 | { | |
2910 | struct lpfc_dmabuf *mp; | |
2911 | LPFC_MBOXQ_t *pmb; | |
2912 | MAILBOX_t *mb; | |
2913 | READ_LA_VAR *la; | |
2914 | uint8_t att_type; | |
2915 | ||
2916 | att_type = lpfc_sli4_parse_latt_type(phba, acqe_link); | |
2917 | if (att_type != AT_LINK_DOWN && att_type != AT_LINK_UP) | |
2918 | return; | |
32b9793f | 2919 | phba->fcoe_eventtag = acqe_link->event_tag; |
da0436e9 JS |
2920 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
2921 | if (!pmb) { | |
2922 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2923 | "0395 The mboxq allocation failed\n"); | |
2924 | return; | |
2925 | } | |
2926 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
2927 | if (!mp) { | |
2928 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2929 | "0396 The lpfc_dmabuf allocation failed\n"); | |
2930 | goto out_free_pmb; | |
2931 | } | |
2932 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
2933 | if (!mp->virt) { | |
2934 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2935 | "0397 The mbuf allocation failed\n"); | |
2936 | goto out_free_dmabuf; | |
2937 | } | |
2938 | ||
2939 | /* Cleanup any outstanding ELS commands */ | |
2940 | lpfc_els_flush_all_cmd(phba); | |
2941 | ||
2942 | /* Block ELS IOCBs until we have done process link event */ | |
2943 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
2944 | ||
2945 | /* Update link event statistics */ | |
2946 | phba->sli.slistat.link_event++; | |
2947 | ||
2948 | /* Create pseudo lpfc_handle_latt mailbox command from link ACQE */ | |
2949 | lpfc_read_la(phba, pmb, mp); | |
2950 | pmb->vport = phba->pport; | |
2951 | ||
2952 | /* Parse and translate status field */ | |
2953 | mb = &pmb->u.mb; | |
2954 | mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link); | |
2955 | ||
2956 | /* Parse and translate link attention fields */ | |
2957 | la = (READ_LA_VAR *) &pmb->u.mb.un.varReadLA; | |
2958 | la->eventTag = acqe_link->event_tag; | |
2959 | la->attType = att_type; | |
2960 | la->UlnkSpeed = lpfc_sli4_parse_latt_link_speed(phba, acqe_link); | |
2961 | ||
2962 | /* Fake the the following irrelvant fields */ | |
2963 | la->topology = TOPOLOGY_PT_PT; | |
2964 | la->granted_AL_PA = 0; | |
2965 | la->il = 0; | |
2966 | la->pb = 0; | |
2967 | la->fa = 0; | |
2968 | la->mm = 0; | |
2969 | ||
2970 | /* Keep the link status for extra SLI4 state machine reference */ | |
2971 | phba->sli4_hba.link_state.speed = | |
2972 | bf_get(lpfc_acqe_link_speed, acqe_link); | |
2973 | phba->sli4_hba.link_state.duplex = | |
2974 | bf_get(lpfc_acqe_link_duplex, acqe_link); | |
2975 | phba->sli4_hba.link_state.status = | |
2976 | bf_get(lpfc_acqe_link_status, acqe_link); | |
2977 | phba->sli4_hba.link_state.physical = | |
2978 | bf_get(lpfc_acqe_link_physical, acqe_link); | |
2979 | phba->sli4_hba.link_state.fault = | |
2980 | bf_get(lpfc_acqe_link_fault, acqe_link); | |
2981 | ||
2982 | /* Invoke the lpfc_handle_latt mailbox command callback function */ | |
2983 | lpfc_mbx_cmpl_read_la(phba, pmb); | |
2984 | ||
5b75da2f | 2985 | return; |
da0436e9 JS |
2986 | |
2987 | out_free_dmabuf: | |
2988 | kfree(mp); | |
2989 | out_free_pmb: | |
2990 | mempool_free(pmb, phba->mbox_mem_pool); | |
2991 | } | |
2992 | ||
2993 | /** | |
2994 | * lpfc_sli4_async_fcoe_evt - Process the asynchronous fcoe event | |
2995 | * @phba: pointer to lpfc hba data structure. | |
2996 | * @acqe_link: pointer to the async fcoe completion queue entry. | |
2997 | * | |
2998 | * This routine is to handle the SLI4 asynchronous fcoe event. | |
2999 | **/ | |
3000 | static void | |
3001 | lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba, | |
3002 | struct lpfc_acqe_fcoe *acqe_fcoe) | |
3003 | { | |
3004 | uint8_t event_type = bf_get(lpfc_acqe_fcoe_event_type, acqe_fcoe); | |
3005 | int rc; | |
6669f9bb JS |
3006 | struct lpfc_vport *vport; |
3007 | struct lpfc_nodelist *ndlp; | |
3008 | struct Scsi_Host *shost; | |
da0436e9 | 3009 | |
4d9ab994 | 3010 | phba->fc_eventTag = acqe_fcoe->event_tag; |
32b9793f | 3011 | phba->fcoe_eventtag = acqe_fcoe->event_tag; |
da0436e9 JS |
3012 | switch (event_type) { |
3013 | case LPFC_FCOE_EVENT_TYPE_NEW_FCF: | |
3014 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
e4e74273 | 3015 | "2546 New FCF found index 0x%x tag 0x%x\n", |
6669f9bb | 3016 | acqe_fcoe->index, |
da0436e9 JS |
3017 | acqe_fcoe->event_tag); |
3018 | /* | |
32b9793f JS |
3019 | * If the current FCF is in discovered state, or |
3020 | * FCF discovery is in progress do nothing. | |
da0436e9 JS |
3021 | */ |
3022 | spin_lock_irq(&phba->hbalock); | |
32b9793f JS |
3023 | if ((phba->fcf.fcf_flag & FCF_DISCOVERED) || |
3024 | (phba->hba_flag & FCF_DISC_INPROGRESS)) { | |
da0436e9 JS |
3025 | spin_unlock_irq(&phba->hbalock); |
3026 | break; | |
3027 | } | |
3028 | spin_unlock_irq(&phba->hbalock); | |
3029 | ||
3030 | /* Read the FCF table and re-discover SAN. */ | |
6a9c52cf | 3031 | rc = lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST); |
da0436e9 JS |
3032 | if (rc) |
3033 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
6a9c52cf JS |
3034 | "2547 Read FCF record failed 0x%x\n", |
3035 | rc); | |
da0436e9 JS |
3036 | break; |
3037 | ||
3038 | case LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL: | |
3039 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e4e74273 | 3040 | "2548 FCF Table full count 0x%x tag 0x%x\n", |
da0436e9 JS |
3041 | bf_get(lpfc_acqe_fcoe_fcf_count, acqe_fcoe), |
3042 | acqe_fcoe->event_tag); | |
3043 | break; | |
3044 | ||
3045 | case LPFC_FCOE_EVENT_TYPE_FCF_DEAD: | |
3046 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
6a9c52cf | 3047 | "2549 FCF disconnected from network index 0x%x" |
6669f9bb | 3048 | " tag 0x%x\n", acqe_fcoe->index, |
da0436e9 JS |
3049 | acqe_fcoe->event_tag); |
3050 | /* If the event is not for currently used fcf do nothing */ | |
6669f9bb | 3051 | if (phba->fcf.fcf_indx != acqe_fcoe->index) |
da0436e9 JS |
3052 | break; |
3053 | /* | |
3054 | * Currently, driver support only one FCF - so treat this as | |
3055 | * a link down. | |
3056 | */ | |
3057 | lpfc_linkdown(phba); | |
3058 | /* Unregister FCF if no devices connected to it */ | |
3059 | lpfc_unregister_unused_fcf(phba); | |
3060 | break; | |
6669f9bb JS |
3061 | case LPFC_FCOE_EVENT_TYPE_CVL: |
3062 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
3063 | "2718 Clear Virtual Link Received for VPI 0x%x" | |
3064 | " tag 0x%x\n", acqe_fcoe->index, acqe_fcoe->event_tag); | |
3065 | vport = lpfc_find_vport_by_vpid(phba, | |
c868595d | 3066 | acqe_fcoe->index - phba->vpi_base); |
6669f9bb JS |
3067 | if (!vport) |
3068 | break; | |
3069 | ndlp = lpfc_findnode_did(vport, Fabric_DID); | |
3070 | if (!ndlp) | |
3071 | break; | |
3072 | shost = lpfc_shost_from_vport(vport); | |
3073 | lpfc_linkdown_port(vport); | |
3074 | if (vport->port_type != LPFC_NPIV_PORT) { | |
3075 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
3076 | spin_lock_irq(shost->host_lock); | |
3077 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
3078 | spin_unlock_irq(shost->host_lock); | |
3079 | ndlp->nlp_last_elscmd = ELS_CMD_FLOGI; | |
3080 | vport->port_state = LPFC_FLOGI; | |
3081 | } | |
3082 | break; | |
da0436e9 JS |
3083 | default: |
3084 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3085 | "0288 Unknown FCoE event type 0x%x event tag " | |
3086 | "0x%x\n", event_type, acqe_fcoe->event_tag); | |
3087 | break; | |
3088 | } | |
3089 | } | |
3090 | ||
3091 | /** | |
3092 | * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event | |
3093 | * @phba: pointer to lpfc hba data structure. | |
3094 | * @acqe_link: pointer to the async dcbx completion queue entry. | |
3095 | * | |
3096 | * This routine is to handle the SLI4 asynchronous dcbx event. | |
3097 | **/ | |
3098 | static void | |
3099 | lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba, | |
3100 | struct lpfc_acqe_dcbx *acqe_dcbx) | |
3101 | { | |
4d9ab994 | 3102 | phba->fc_eventTag = acqe_dcbx->event_tag; |
da0436e9 JS |
3103 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
3104 | "0290 The SLI4 DCBX asynchronous event is not " | |
3105 | "handled yet\n"); | |
3106 | } | |
3107 | ||
3108 | /** | |
3109 | * lpfc_sli4_async_event_proc - Process all the pending asynchronous event | |
3110 | * @phba: pointer to lpfc hba data structure. | |
3111 | * | |
3112 | * This routine is invoked by the worker thread to process all the pending | |
3113 | * SLI4 asynchronous events. | |
3114 | **/ | |
3115 | void lpfc_sli4_async_event_proc(struct lpfc_hba *phba) | |
3116 | { | |
3117 | struct lpfc_cq_event *cq_event; | |
3118 | ||
3119 | /* First, declare the async event has been handled */ | |
3120 | spin_lock_irq(&phba->hbalock); | |
3121 | phba->hba_flag &= ~ASYNC_EVENT; | |
3122 | spin_unlock_irq(&phba->hbalock); | |
3123 | /* Now, handle all the async events */ | |
3124 | while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) { | |
3125 | /* Get the first event from the head of the event queue */ | |
3126 | spin_lock_irq(&phba->hbalock); | |
3127 | list_remove_head(&phba->sli4_hba.sp_asynce_work_queue, | |
3128 | cq_event, struct lpfc_cq_event, list); | |
3129 | spin_unlock_irq(&phba->hbalock); | |
3130 | /* Process the asynchronous event */ | |
3131 | switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) { | |
3132 | case LPFC_TRAILER_CODE_LINK: | |
3133 | lpfc_sli4_async_link_evt(phba, | |
3134 | &cq_event->cqe.acqe_link); | |
3135 | break; | |
3136 | case LPFC_TRAILER_CODE_FCOE: | |
3137 | lpfc_sli4_async_fcoe_evt(phba, | |
3138 | &cq_event->cqe.acqe_fcoe); | |
3139 | break; | |
3140 | case LPFC_TRAILER_CODE_DCBX: | |
3141 | lpfc_sli4_async_dcbx_evt(phba, | |
3142 | &cq_event->cqe.acqe_dcbx); | |
3143 | break; | |
3144 | default: | |
3145 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3146 | "1804 Invalid asynchrous event code: " | |
3147 | "x%x\n", bf_get(lpfc_trailer_code, | |
3148 | &cq_event->cqe.mcqe_cmpl)); | |
3149 | break; | |
3150 | } | |
3151 | /* Free the completion event processed to the free pool */ | |
3152 | lpfc_sli4_cq_event_release(phba, cq_event); | |
3153 | } | |
3154 | } | |
3155 | ||
3156 | /** | |
3157 | * lpfc_api_table_setup - Set up per hba pci-device group func api jump table | |
3158 | * @phba: pointer to lpfc hba data structure. | |
3159 | * @dev_grp: The HBA PCI-Device group number. | |
3160 | * | |
3161 | * This routine is invoked to set up the per HBA PCI-Device group function | |
3162 | * API jump table entries. | |
3163 | * | |
3164 | * Return: 0 if success, otherwise -ENODEV | |
3165 | **/ | |
3166 | int | |
3167 | lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
3168 | { | |
3169 | int rc; | |
3170 | ||
3171 | /* Set up lpfc PCI-device group */ | |
3172 | phba->pci_dev_grp = dev_grp; | |
3173 | ||
3174 | /* The LPFC_PCI_DEV_OC uses SLI4 */ | |
3175 | if (dev_grp == LPFC_PCI_DEV_OC) | |
3176 | phba->sli_rev = LPFC_SLI_REV4; | |
3177 | ||
3178 | /* Set up device INIT API function jump table */ | |
3179 | rc = lpfc_init_api_table_setup(phba, dev_grp); | |
3180 | if (rc) | |
3181 | return -ENODEV; | |
3182 | /* Set up SCSI API function jump table */ | |
3183 | rc = lpfc_scsi_api_table_setup(phba, dev_grp); | |
3184 | if (rc) | |
3185 | return -ENODEV; | |
3186 | /* Set up SLI API function jump table */ | |
3187 | rc = lpfc_sli_api_table_setup(phba, dev_grp); | |
3188 | if (rc) | |
3189 | return -ENODEV; | |
3190 | /* Set up MBOX API function jump table */ | |
3191 | rc = lpfc_mbox_api_table_setup(phba, dev_grp); | |
3192 | if (rc) | |
3193 | return -ENODEV; | |
3194 | ||
3195 | return 0; | |
5b75da2f JS |
3196 | } |
3197 | ||
3198 | /** | |
3621a710 | 3199 | * lpfc_log_intr_mode - Log the active interrupt mode |
5b75da2f JS |
3200 | * @phba: pointer to lpfc hba data structure. |
3201 | * @intr_mode: active interrupt mode adopted. | |
3202 | * | |
3203 | * This routine it invoked to log the currently used active interrupt mode | |
3204 | * to the device. | |
3772a991 JS |
3205 | **/ |
3206 | static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode) | |
5b75da2f JS |
3207 | { |
3208 | switch (intr_mode) { | |
3209 | case 0: | |
3210 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
3211 | "0470 Enable INTx interrupt mode.\n"); | |
3212 | break; | |
3213 | case 1: | |
3214 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
3215 | "0481 Enabled MSI interrupt mode.\n"); | |
3216 | break; | |
3217 | case 2: | |
3218 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
3219 | "0480 Enabled MSI-X interrupt mode.\n"); | |
3220 | break; | |
3221 | default: | |
3222 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3223 | "0482 Illegal interrupt mode.\n"); | |
3224 | break; | |
3225 | } | |
3226 | return; | |
3227 | } | |
3228 | ||
5b75da2f | 3229 | /** |
3772a991 | 3230 | * lpfc_enable_pci_dev - Enable a generic PCI device. |
5b75da2f JS |
3231 | * @phba: pointer to lpfc hba data structure. |
3232 | * | |
3772a991 JS |
3233 | * This routine is invoked to enable the PCI device that is common to all |
3234 | * PCI devices. | |
5b75da2f JS |
3235 | * |
3236 | * Return codes | |
af901ca1 | 3237 | * 0 - successful |
3772a991 | 3238 | * other values - error |
5b75da2f | 3239 | **/ |
3772a991 JS |
3240 | static int |
3241 | lpfc_enable_pci_dev(struct lpfc_hba *phba) | |
5b75da2f | 3242 | { |
3772a991 JS |
3243 | struct pci_dev *pdev; |
3244 | int bars; | |
5b75da2f | 3245 | |
3772a991 JS |
3246 | /* Obtain PCI device reference */ |
3247 | if (!phba->pcidev) | |
3248 | goto out_error; | |
3249 | else | |
3250 | pdev = phba->pcidev; | |
3251 | /* Select PCI BARs */ | |
3252 | bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
3253 | /* Enable PCI device */ | |
3254 | if (pci_enable_device_mem(pdev)) | |
3255 | goto out_error; | |
3256 | /* Request PCI resource for the device */ | |
3257 | if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME)) | |
3258 | goto out_disable_device; | |
3259 | /* Set up device as PCI master and save state for EEH */ | |
3260 | pci_set_master(pdev); | |
3261 | pci_try_set_mwi(pdev); | |
3262 | pci_save_state(pdev); | |
5b75da2f | 3263 | |
3772a991 | 3264 | return 0; |
5b75da2f | 3265 | |
3772a991 JS |
3266 | out_disable_device: |
3267 | pci_disable_device(pdev); | |
3268 | out_error: | |
3269 | return -ENODEV; | |
5b75da2f JS |
3270 | } |
3271 | ||
3272 | /** | |
3772a991 | 3273 | * lpfc_disable_pci_dev - Disable a generic PCI device. |
5b75da2f JS |
3274 | * @phba: pointer to lpfc hba data structure. |
3275 | * | |
3772a991 JS |
3276 | * This routine is invoked to disable the PCI device that is common to all |
3277 | * PCI devices. | |
5b75da2f JS |
3278 | **/ |
3279 | static void | |
3772a991 | 3280 | lpfc_disable_pci_dev(struct lpfc_hba *phba) |
5b75da2f | 3281 | { |
3772a991 JS |
3282 | struct pci_dev *pdev; |
3283 | int bars; | |
5b75da2f | 3284 | |
3772a991 JS |
3285 | /* Obtain PCI device reference */ |
3286 | if (!phba->pcidev) | |
3287 | return; | |
3288 | else | |
3289 | pdev = phba->pcidev; | |
3290 | /* Select PCI BARs */ | |
3291 | bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
3292 | /* Release PCI resource and disable PCI device */ | |
3293 | pci_release_selected_regions(pdev, bars); | |
3294 | pci_disable_device(pdev); | |
3295 | /* Null out PCI private reference to driver */ | |
3296 | pci_set_drvdata(pdev, NULL); | |
5b75da2f JS |
3297 | |
3298 | return; | |
3299 | } | |
3300 | ||
e59058c4 | 3301 | /** |
3772a991 JS |
3302 | * lpfc_reset_hba - Reset a hba |
3303 | * @phba: pointer to lpfc hba data structure. | |
e59058c4 | 3304 | * |
3772a991 JS |
3305 | * This routine is invoked to reset a hba device. It brings the HBA |
3306 | * offline, performs a board restart, and then brings the board back | |
3307 | * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up | |
3308 | * on outstanding mailbox commands. | |
e59058c4 | 3309 | **/ |
3772a991 JS |
3310 | void |
3311 | lpfc_reset_hba(struct lpfc_hba *phba) | |
dea3101e | 3312 | { |
3772a991 JS |
3313 | /* If resets are disabled then set error state and return. */ |
3314 | if (!phba->cfg_enable_hba_reset) { | |
3315 | phba->link_state = LPFC_HBA_ERROR; | |
3316 | return; | |
3317 | } | |
3318 | lpfc_offline_prep(phba); | |
3319 | lpfc_offline(phba); | |
3320 | lpfc_sli_brdrestart(phba); | |
3321 | lpfc_online(phba); | |
3322 | lpfc_unblock_mgmt_io(phba); | |
3323 | } | |
dea3101e | 3324 | |
3772a991 JS |
3325 | /** |
3326 | * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev. | |
3327 | * @phba: pointer to lpfc hba data structure. | |
3328 | * | |
3329 | * This routine is invoked to set up the driver internal resources specific to | |
3330 | * support the SLI-3 HBA device it attached to. | |
3331 | * | |
3332 | * Return codes | |
af901ca1 | 3333 | * 0 - successful |
3772a991 JS |
3334 | * other values - error |
3335 | **/ | |
3336 | static int | |
3337 | lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) | |
3338 | { | |
3339 | struct lpfc_sli *psli; | |
dea3101e | 3340 | |
2e0fef85 | 3341 | /* |
3772a991 | 3342 | * Initialize timers used by driver |
2e0fef85 | 3343 | */ |
dea3101e | 3344 | |
3772a991 | 3345 | /* Heartbeat timer */ |
858c9f6c JS |
3346 | init_timer(&phba->hb_tmofunc); |
3347 | phba->hb_tmofunc.function = lpfc_hb_timeout; | |
3348 | phba->hb_tmofunc.data = (unsigned long)phba; | |
3349 | ||
dea3101e | 3350 | psli = &phba->sli; |
3772a991 | 3351 | /* MBOX heartbeat timer */ |
dea3101e | 3352 | init_timer(&psli->mbox_tmo); |
3353 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
2e0fef85 | 3354 | psli->mbox_tmo.data = (unsigned long) phba; |
3772a991 | 3355 | /* FCP polling mode timer */ |
875fbdfe JSEC |
3356 | init_timer(&phba->fcp_poll_timer); |
3357 | phba->fcp_poll_timer.function = lpfc_poll_timeout; | |
2e0fef85 | 3358 | phba->fcp_poll_timer.data = (unsigned long) phba; |
3772a991 | 3359 | /* Fabric block timer */ |
92d7f7b0 JS |
3360 | init_timer(&phba->fabric_block_timer); |
3361 | phba->fabric_block_timer.function = lpfc_fabric_block_timeout; | |
3362 | phba->fabric_block_timer.data = (unsigned long) phba; | |
3772a991 | 3363 | /* EA polling mode timer */ |
9399627f JS |
3364 | init_timer(&phba->eratt_poll); |
3365 | phba->eratt_poll.function = lpfc_poll_eratt; | |
3366 | phba->eratt_poll.data = (unsigned long) phba; | |
dea3101e | 3367 | |
3772a991 JS |
3368 | /* Host attention work mask setup */ |
3369 | phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT); | |
3370 | phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); | |
dea3101e | 3371 | |
3772a991 JS |
3372 | /* Get all the module params for configuring this host */ |
3373 | lpfc_get_cfgparam(phba); | |
dea3101e | 3374 | /* |
3772a991 JS |
3375 | * Since the sg_tablesize is module parameter, the sg_dma_buf_size |
3376 | * used to create the sg_dma_buf_pool must be dynamically calculated. | |
3377 | * 2 segments are added since the IOCB needs a command and response bde. | |
dea3101e | 3378 | */ |
3772a991 JS |
3379 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + |
3380 | sizeof(struct fcp_rsp) + | |
3381 | ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64)); | |
3382 | ||
3383 | if (phba->cfg_enable_bg) { | |
3384 | phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT; | |
3385 | phba->cfg_sg_dma_buf_size += | |
3386 | phba->cfg_prot_sg_seg_cnt * sizeof(struct ulp_bde64); | |
901a920f | 3387 | } |
dea3101e | 3388 | |
3772a991 JS |
3389 | /* Also reinitialize the host templates with new values. */ |
3390 | lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
3391 | lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
dea3101e | 3392 | |
3772a991 JS |
3393 | phba->max_vpi = LPFC_MAX_VPI; |
3394 | /* This will be set to correct value after config_port mbox */ | |
3395 | phba->max_vports = 0; | |
dea3101e | 3396 | |
3772a991 JS |
3397 | /* |
3398 | * Initialize the SLI Layer to run with lpfc HBAs. | |
3399 | */ | |
3400 | lpfc_sli_setup(phba); | |
3401 | lpfc_sli_queue_setup(phba); | |
ed957684 | 3402 | |
3772a991 JS |
3403 | /* Allocate device driver memory */ |
3404 | if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ)) | |
3405 | return -ENOMEM; | |
51ef4c26 | 3406 | |
3772a991 JS |
3407 | return 0; |
3408 | } | |
ed957684 | 3409 | |
3772a991 JS |
3410 | /** |
3411 | * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev | |
3412 | * @phba: pointer to lpfc hba data structure. | |
3413 | * | |
3414 | * This routine is invoked to unset the driver internal resources set up | |
3415 | * specific for supporting the SLI-3 HBA device it attached to. | |
3416 | **/ | |
3417 | static void | |
3418 | lpfc_sli_driver_resource_unset(struct lpfc_hba *phba) | |
3419 | { | |
3420 | /* Free device driver memory allocated */ | |
3421 | lpfc_mem_free_all(phba); | |
3163f725 | 3422 | |
3772a991 JS |
3423 | return; |
3424 | } | |
dea3101e | 3425 | |
3772a991 | 3426 | /** |
da0436e9 | 3427 | * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev |
3772a991 JS |
3428 | * @phba: pointer to lpfc hba data structure. |
3429 | * | |
da0436e9 JS |
3430 | * This routine is invoked to set up the driver internal resources specific to |
3431 | * support the SLI-4 HBA device it attached to. | |
3772a991 JS |
3432 | * |
3433 | * Return codes | |
af901ca1 | 3434 | * 0 - successful |
da0436e9 | 3435 | * other values - error |
3772a991 JS |
3436 | **/ |
3437 | static int | |
da0436e9 | 3438 | lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) |
3772a991 | 3439 | { |
da0436e9 JS |
3440 | struct lpfc_sli *psli; |
3441 | int rc; | |
3442 | int i, hbq_count; | |
3443 | ||
3444 | /* Before proceed, wait for POST done and device ready */ | |
3445 | rc = lpfc_sli4_post_status_check(phba); | |
3446 | if (rc) | |
3447 | return -ENODEV; | |
3448 | ||
3772a991 | 3449 | /* |
da0436e9 | 3450 | * Initialize timers used by driver |
3772a991 | 3451 | */ |
3772a991 | 3452 | |
da0436e9 JS |
3453 | /* Heartbeat timer */ |
3454 | init_timer(&phba->hb_tmofunc); | |
3455 | phba->hb_tmofunc.function = lpfc_hb_timeout; | |
3456 | phba->hb_tmofunc.data = (unsigned long)phba; | |
3772a991 | 3457 | |
da0436e9 JS |
3458 | psli = &phba->sli; |
3459 | /* MBOX heartbeat timer */ | |
3460 | init_timer(&psli->mbox_tmo); | |
3461 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
3462 | psli->mbox_tmo.data = (unsigned long) phba; | |
3463 | /* Fabric block timer */ | |
3464 | init_timer(&phba->fabric_block_timer); | |
3465 | phba->fabric_block_timer.function = lpfc_fabric_block_timeout; | |
3466 | phba->fabric_block_timer.data = (unsigned long) phba; | |
3467 | /* EA polling mode timer */ | |
3468 | init_timer(&phba->eratt_poll); | |
3469 | phba->eratt_poll.function = lpfc_poll_eratt; | |
3470 | phba->eratt_poll.data = (unsigned long) phba; | |
3471 | /* | |
3472 | * We need to do a READ_CONFIG mailbox command here before | |
3473 | * calling lpfc_get_cfgparam. For VFs this will report the | |
3474 | * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings. | |
3475 | * All of the resources allocated | |
3476 | * for this Port are tied to these values. | |
3477 | */ | |
3478 | /* Get all the module params for configuring this host */ | |
3479 | lpfc_get_cfgparam(phba); | |
3480 | phba->max_vpi = LPFC_MAX_VPI; | |
3481 | /* This will be set to correct value after the read_config mbox */ | |
3482 | phba->max_vports = 0; | |
3772a991 | 3483 | |
da0436e9 JS |
3484 | /* Program the default value of vlan_id and fc_map */ |
3485 | phba->valid_vlan = 0; | |
3486 | phba->fc_map[0] = LPFC_FCOE_FCF_MAP0; | |
3487 | phba->fc_map[1] = LPFC_FCOE_FCF_MAP1; | |
3488 | phba->fc_map[2] = LPFC_FCOE_FCF_MAP2; | |
3772a991 | 3489 | |
da0436e9 JS |
3490 | /* |
3491 | * Since the sg_tablesize is module parameter, the sg_dma_buf_size | |
3492 | * used to create the sg_dma_buf_pool must be dynamically calculated. | |
3493 | * 2 segments are added since the IOCB needs a command and response bde. | |
3494 | * To insure that the scsi sgl does not cross a 4k page boundary only | |
3495 | * sgl sizes of 1k, 2k, 4k, and 8k are supported. | |
3496 | * Table of sgl sizes and seg_cnt: | |
3497 | * sgl size, sg_seg_cnt total seg | |
3498 | * 1k 50 52 | |
3499 | * 2k 114 116 | |
3500 | * 4k 242 244 | |
3501 | * 8k 498 500 | |
3502 | * cmd(32) + rsp(160) + (52 * sizeof(sli4_sge)) = 1024 | |
3503 | * cmd(32) + rsp(160) + (116 * sizeof(sli4_sge)) = 2048 | |
3504 | * cmd(32) + rsp(160) + (244 * sizeof(sli4_sge)) = 4096 | |
3505 | * cmd(32) + rsp(160) + (500 * sizeof(sli4_sge)) = 8192 | |
3506 | */ | |
3507 | if (phba->cfg_sg_seg_cnt <= LPFC_DEFAULT_SG_SEG_CNT) | |
3508 | phba->cfg_sg_seg_cnt = 50; | |
3509 | else if (phba->cfg_sg_seg_cnt <= 114) | |
3510 | phba->cfg_sg_seg_cnt = 114; | |
3511 | else if (phba->cfg_sg_seg_cnt <= 242) | |
3512 | phba->cfg_sg_seg_cnt = 242; | |
3513 | else | |
3514 | phba->cfg_sg_seg_cnt = 498; | |
3772a991 | 3515 | |
da0436e9 JS |
3516 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) |
3517 | + sizeof(struct fcp_rsp); | |
3518 | phba->cfg_sg_dma_buf_size += | |
3519 | ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge)); | |
3772a991 | 3520 | |
da0436e9 JS |
3521 | /* Initialize buffer queue management fields */ |
3522 | hbq_count = lpfc_sli_hbq_count(); | |
3523 | for (i = 0; i < hbq_count; ++i) | |
3524 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
3525 | INIT_LIST_HEAD(&phba->rb_pend_list); | |
3526 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc; | |
3527 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free; | |
3772a991 | 3528 | |
da0436e9 JS |
3529 | /* |
3530 | * Initialize the SLI Layer to run with lpfc SLI4 HBAs. | |
3531 | */ | |
3532 | /* Initialize the Abort scsi buffer list used by driver */ | |
3533 | spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock); | |
3534 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list); | |
3535 | /* This abort list used by worker thread */ | |
3536 | spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock); | |
3772a991 | 3537 | |
da0436e9 JS |
3538 | /* |
3539 | * Initialize dirver internal slow-path work queues | |
3540 | */ | |
3772a991 | 3541 | |
da0436e9 JS |
3542 | /* Driver internel slow-path CQ Event pool */ |
3543 | INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool); | |
3544 | /* Response IOCB work queue list */ | |
45ed1190 | 3545 | INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event); |
da0436e9 JS |
3546 | /* Asynchronous event CQ Event work queue list */ |
3547 | INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue); | |
3548 | /* Fast-path XRI aborted CQ Event work queue list */ | |
3549 | INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue); | |
3550 | /* Slow-path XRI aborted CQ Event work queue list */ | |
3551 | INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue); | |
3552 | /* Receive queue CQ Event work queue list */ | |
3553 | INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue); | |
3554 | ||
3555 | /* Initialize the driver internal SLI layer lists. */ | |
3556 | lpfc_sli_setup(phba); | |
3557 | lpfc_sli_queue_setup(phba); | |
3772a991 | 3558 | |
da0436e9 JS |
3559 | /* Allocate device driver memory */ |
3560 | rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ); | |
3561 | if (rc) | |
3562 | return -ENOMEM; | |
3563 | ||
3564 | /* Create the bootstrap mailbox command */ | |
3565 | rc = lpfc_create_bootstrap_mbox(phba); | |
3566 | if (unlikely(rc)) | |
3567 | goto out_free_mem; | |
3568 | ||
3569 | /* Set up the host's endian order with the device. */ | |
3570 | rc = lpfc_setup_endian_order(phba); | |
3571 | if (unlikely(rc)) | |
3572 | goto out_free_bsmbx; | |
3573 | ||
6669f9bb JS |
3574 | rc = lpfc_sli4_fw_cfg_check(phba); |
3575 | if (unlikely(rc)) | |
3576 | goto out_free_bsmbx; | |
3577 | ||
da0436e9 JS |
3578 | /* Set up the hba's configuration parameters. */ |
3579 | rc = lpfc_sli4_read_config(phba); | |
3580 | if (unlikely(rc)) | |
3581 | goto out_free_bsmbx; | |
3582 | ||
3583 | /* Perform a function reset */ | |
3584 | rc = lpfc_pci_function_reset(phba); | |
3585 | if (unlikely(rc)) | |
3586 | goto out_free_bsmbx; | |
3587 | ||
3588 | /* Create all the SLI4 queues */ | |
3589 | rc = lpfc_sli4_queue_create(phba); | |
3590 | if (rc) | |
3591 | goto out_free_bsmbx; | |
3592 | ||
3593 | /* Create driver internal CQE event pool */ | |
3594 | rc = lpfc_sli4_cq_event_pool_create(phba); | |
3595 | if (rc) | |
3596 | goto out_destroy_queue; | |
3597 | ||
3598 | /* Initialize and populate the iocb list per host */ | |
3599 | rc = lpfc_init_sgl_list(phba); | |
3600 | if (rc) { | |
3601 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3602 | "1400 Failed to initialize sgl list.\n"); | |
3603 | goto out_destroy_cq_event_pool; | |
3604 | } | |
3605 | rc = lpfc_init_active_sgl_array(phba); | |
3606 | if (rc) { | |
3607 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3608 | "1430 Failed to initialize sgl list.\n"); | |
3609 | goto out_free_sgl_list; | |
3610 | } | |
3611 | ||
3612 | rc = lpfc_sli4_init_rpi_hdrs(phba); | |
3613 | if (rc) { | |
3614 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3615 | "1432 Failed to initialize rpi headers.\n"); | |
3616 | goto out_free_active_sgl; | |
3617 | } | |
3618 | ||
3619 | phba->sli4_hba.fcp_eq_hdl = kzalloc((sizeof(struct lpfc_fcp_eq_hdl) * | |
3620 | phba->cfg_fcp_eq_count), GFP_KERNEL); | |
3621 | if (!phba->sli4_hba.fcp_eq_hdl) { | |
3622 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3623 | "2572 Failed allocate memory for fast-path " | |
3624 | "per-EQ handle array\n"); | |
3625 | goto out_remove_rpi_hdrs; | |
3626 | } | |
3627 | ||
3628 | phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) * | |
3629 | phba->sli4_hba.cfg_eqn), GFP_KERNEL); | |
3630 | if (!phba->sli4_hba.msix_entries) { | |
3631 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3632 | "2573 Failed allocate memory for msi-x " | |
3633 | "interrupt vector entries\n"); | |
3634 | goto out_free_fcp_eq_hdl; | |
3635 | } | |
3636 | ||
3637 | return rc; | |
3638 | ||
3639 | out_free_fcp_eq_hdl: | |
3640 | kfree(phba->sli4_hba.fcp_eq_hdl); | |
3641 | out_remove_rpi_hdrs: | |
3642 | lpfc_sli4_remove_rpi_hdrs(phba); | |
3643 | out_free_active_sgl: | |
3644 | lpfc_free_active_sgl(phba); | |
3645 | out_free_sgl_list: | |
3646 | lpfc_free_sgl_list(phba); | |
3647 | out_destroy_cq_event_pool: | |
3648 | lpfc_sli4_cq_event_pool_destroy(phba); | |
3649 | out_destroy_queue: | |
3650 | lpfc_sli4_queue_destroy(phba); | |
3651 | out_free_bsmbx: | |
3652 | lpfc_destroy_bootstrap_mbox(phba); | |
3653 | out_free_mem: | |
3654 | lpfc_mem_free(phba); | |
3655 | return rc; | |
3656 | } | |
3657 | ||
3658 | /** | |
3659 | * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev | |
3660 | * @phba: pointer to lpfc hba data structure. | |
3661 | * | |
3662 | * This routine is invoked to unset the driver internal resources set up | |
3663 | * specific for supporting the SLI-4 HBA device it attached to. | |
3664 | **/ | |
3665 | static void | |
3666 | lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba) | |
3667 | { | |
3668 | struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; | |
3669 | ||
3670 | /* unregister default FCFI from the HBA */ | |
3671 | lpfc_sli4_fcfi_unreg(phba, phba->fcf.fcfi); | |
3672 | ||
3673 | /* Free the default FCR table */ | |
3674 | lpfc_sli_remove_dflt_fcf(phba); | |
3675 | ||
3676 | /* Free memory allocated for msi-x interrupt vector entries */ | |
3677 | kfree(phba->sli4_hba.msix_entries); | |
3678 | ||
3679 | /* Free memory allocated for fast-path work queue handles */ | |
3680 | kfree(phba->sli4_hba.fcp_eq_hdl); | |
3681 | ||
3682 | /* Free the allocated rpi headers. */ | |
3683 | lpfc_sli4_remove_rpi_hdrs(phba); | |
d11e31dd | 3684 | lpfc_sli4_remove_rpis(phba); |
da0436e9 JS |
3685 | |
3686 | /* Free the ELS sgl list */ | |
3687 | lpfc_free_active_sgl(phba); | |
3688 | lpfc_free_sgl_list(phba); | |
3689 | ||
3690 | /* Free the SCSI sgl management array */ | |
3691 | kfree(phba->sli4_hba.lpfc_scsi_psb_array); | |
3692 | ||
3693 | /* Free the SLI4 queues */ | |
3694 | lpfc_sli4_queue_destroy(phba); | |
3695 | ||
3696 | /* Free the completion queue EQ event pool */ | |
3697 | lpfc_sli4_cq_event_release_all(phba); | |
3698 | lpfc_sli4_cq_event_pool_destroy(phba); | |
3699 | ||
3700 | /* Reset SLI4 HBA FCoE function */ | |
3701 | lpfc_pci_function_reset(phba); | |
3702 | ||
3703 | /* Free the bsmbx region. */ | |
3704 | lpfc_destroy_bootstrap_mbox(phba); | |
3705 | ||
3706 | /* Free the SLI Layer memory with SLI4 HBAs */ | |
3707 | lpfc_mem_free_all(phba); | |
3708 | ||
3709 | /* Free the current connect table */ | |
3710 | list_for_each_entry_safe(conn_entry, next_conn_entry, | |
4d9ab994 JS |
3711 | &phba->fcf_conn_rec_list, list) { |
3712 | list_del_init(&conn_entry->list); | |
da0436e9 | 3713 | kfree(conn_entry); |
4d9ab994 | 3714 | } |
da0436e9 JS |
3715 | |
3716 | return; | |
3717 | } | |
3718 | ||
3719 | /** | |
3720 | * lpfc_init_api_table_setup - Set up init api fucntion jump table | |
3721 | * @phba: The hba struct for which this call is being executed. | |
3722 | * @dev_grp: The HBA PCI-Device group number. | |
3723 | * | |
3724 | * This routine sets up the device INIT interface API function jump table | |
3725 | * in @phba struct. | |
3726 | * | |
3727 | * Returns: 0 - success, -ENODEV - failure. | |
3728 | **/ | |
3729 | int | |
3730 | lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
3731 | { | |
3732 | switch (dev_grp) { | |
3733 | case LPFC_PCI_DEV_LP: | |
3734 | phba->lpfc_hba_down_post = lpfc_hba_down_post_s3; | |
3735 | phba->lpfc_handle_eratt = lpfc_handle_eratt_s3; | |
3736 | phba->lpfc_stop_port = lpfc_stop_port_s3; | |
3737 | break; | |
3738 | case LPFC_PCI_DEV_OC: | |
3739 | phba->lpfc_hba_down_post = lpfc_hba_down_post_s4; | |
3740 | phba->lpfc_handle_eratt = lpfc_handle_eratt_s4; | |
3741 | phba->lpfc_stop_port = lpfc_stop_port_s4; | |
3742 | break; | |
3743 | default: | |
3744 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3745 | "1431 Invalid HBA PCI-device group: 0x%x\n", | |
3746 | dev_grp); | |
3747 | return -ENODEV; | |
3748 | break; | |
3749 | } | |
3750 | return 0; | |
3751 | } | |
3752 | ||
3753 | /** | |
3754 | * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources. | |
3755 | * @phba: pointer to lpfc hba data structure. | |
3756 | * | |
3757 | * This routine is invoked to set up the driver internal resources before the | |
3758 | * device specific resource setup to support the HBA device it attached to. | |
3759 | * | |
3760 | * Return codes | |
af901ca1 | 3761 | * 0 - successful |
da0436e9 JS |
3762 | * other values - error |
3763 | **/ | |
3764 | static int | |
3765 | lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) | |
3766 | { | |
3767 | /* | |
3768 | * Driver resources common to all SLI revisions | |
3769 | */ | |
3770 | atomic_set(&phba->fast_event_count, 0); | |
3771 | spin_lock_init(&phba->hbalock); | |
3772 | ||
3773 | /* Initialize ndlp management spinlock */ | |
3774 | spin_lock_init(&phba->ndlp_lock); | |
3775 | ||
3776 | INIT_LIST_HEAD(&phba->port_list); | |
3777 | INIT_LIST_HEAD(&phba->work_list); | |
3778 | init_waitqueue_head(&phba->wait_4_mlo_m_q); | |
3779 | ||
3780 | /* Initialize the wait queue head for the kernel thread */ | |
3781 | init_waitqueue_head(&phba->work_waitq); | |
3782 | ||
3783 | /* Initialize the scsi buffer list used by driver for scsi IO */ | |
3784 | spin_lock_init(&phba->scsi_buf_list_lock); | |
3785 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); | |
3786 | ||
3787 | /* Initialize the fabric iocb list */ | |
3788 | INIT_LIST_HEAD(&phba->fabric_iocb_list); | |
3789 | ||
3790 | /* Initialize list to save ELS buffers */ | |
3791 | INIT_LIST_HEAD(&phba->elsbuf); | |
3792 | ||
3793 | /* Initialize FCF connection rec list */ | |
3794 | INIT_LIST_HEAD(&phba->fcf_conn_rec_list); | |
3795 | ||
3796 | return 0; | |
3797 | } | |
3798 | ||
3799 | /** | |
3800 | * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources. | |
3801 | * @phba: pointer to lpfc hba data structure. | |
3802 | * | |
3803 | * This routine is invoked to set up the driver internal resources after the | |
3804 | * device specific resource setup to support the HBA device it attached to. | |
3805 | * | |
3806 | * Return codes | |
af901ca1 | 3807 | * 0 - successful |
da0436e9 JS |
3808 | * other values - error |
3809 | **/ | |
3810 | static int | |
3811 | lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba) | |
3812 | { | |
3813 | int error; | |
3814 | ||
3815 | /* Startup the kernel thread for this host adapter. */ | |
3816 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
3817 | "lpfc_worker_%d", phba->brd_no); | |
3818 | if (IS_ERR(phba->worker_thread)) { | |
3819 | error = PTR_ERR(phba->worker_thread); | |
3820 | return error; | |
3772a991 JS |
3821 | } |
3822 | ||
3823 | return 0; | |
3824 | } | |
3825 | ||
3826 | /** | |
3827 | * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources. | |
3828 | * @phba: pointer to lpfc hba data structure. | |
3829 | * | |
3830 | * This routine is invoked to unset the driver internal resources set up after | |
3831 | * the device specific resource setup for supporting the HBA device it | |
3832 | * attached to. | |
3833 | **/ | |
3834 | static void | |
3835 | lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba) | |
3836 | { | |
3837 | /* Stop kernel worker thread */ | |
3838 | kthread_stop(phba->worker_thread); | |
3839 | } | |
3840 | ||
3841 | /** | |
3842 | * lpfc_free_iocb_list - Free iocb list. | |
3843 | * @phba: pointer to lpfc hba data structure. | |
3844 | * | |
3845 | * This routine is invoked to free the driver's IOCB list and memory. | |
3846 | **/ | |
3847 | static void | |
3848 | lpfc_free_iocb_list(struct lpfc_hba *phba) | |
3849 | { | |
3850 | struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; | |
3851 | ||
3852 | spin_lock_irq(&phba->hbalock); | |
3853 | list_for_each_entry_safe(iocbq_entry, iocbq_next, | |
3854 | &phba->lpfc_iocb_list, list) { | |
3855 | list_del(&iocbq_entry->list); | |
3856 | kfree(iocbq_entry); | |
3857 | phba->total_iocbq_bufs--; | |
98c9ea5c | 3858 | } |
3772a991 JS |
3859 | spin_unlock_irq(&phba->hbalock); |
3860 | ||
3861 | return; | |
3862 | } | |
3863 | ||
3864 | /** | |
3865 | * lpfc_init_iocb_list - Allocate and initialize iocb list. | |
3866 | * @phba: pointer to lpfc hba data structure. | |
3867 | * | |
3868 | * This routine is invoked to allocate and initizlize the driver's IOCB | |
3869 | * list and set up the IOCB tag array accordingly. | |
3870 | * | |
3871 | * Return codes | |
af901ca1 | 3872 | * 0 - successful |
3772a991 JS |
3873 | * other values - error |
3874 | **/ | |
3875 | static int | |
3876 | lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count) | |
3877 | { | |
3878 | struct lpfc_iocbq *iocbq_entry = NULL; | |
3879 | uint16_t iotag; | |
3880 | int i; | |
dea3101e | 3881 | |
3882 | /* Initialize and populate the iocb list per host. */ | |
3883 | INIT_LIST_HEAD(&phba->lpfc_iocb_list); | |
3772a991 | 3884 | for (i = 0; i < iocb_count; i++) { |
dd00cc48 | 3885 | iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); |
dea3101e | 3886 | if (iocbq_entry == NULL) { |
3887 | printk(KERN_ERR "%s: only allocated %d iocbs of " | |
3888 | "expected %d count. Unloading driver.\n", | |
cadbd4a5 | 3889 | __func__, i, LPFC_IOCB_LIST_CNT); |
dea3101e | 3890 | goto out_free_iocbq; |
3891 | } | |
3892 | ||
604a3e30 JB |
3893 | iotag = lpfc_sli_next_iotag(phba, iocbq_entry); |
3894 | if (iotag == 0) { | |
3772a991 | 3895 | kfree(iocbq_entry); |
604a3e30 | 3896 | printk(KERN_ERR "%s: failed to allocate IOTAG. " |
3772a991 | 3897 | "Unloading driver.\n", __func__); |
604a3e30 JB |
3898 | goto out_free_iocbq; |
3899 | } | |
3772a991 | 3900 | iocbq_entry->sli4_xritag = NO_XRI; |
2e0fef85 JS |
3901 | |
3902 | spin_lock_irq(&phba->hbalock); | |
dea3101e | 3903 | list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); |
3904 | phba->total_iocbq_bufs++; | |
2e0fef85 | 3905 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3906 | } |
3907 | ||
3772a991 | 3908 | return 0; |
dea3101e | 3909 | |
3772a991 JS |
3910 | out_free_iocbq: |
3911 | lpfc_free_iocb_list(phba); | |
dea3101e | 3912 | |
3772a991 JS |
3913 | return -ENOMEM; |
3914 | } | |
5e9d9b82 | 3915 | |
3772a991 | 3916 | /** |
da0436e9 JS |
3917 | * lpfc_free_sgl_list - Free sgl list. |
3918 | * @phba: pointer to lpfc hba data structure. | |
3772a991 | 3919 | * |
da0436e9 | 3920 | * This routine is invoked to free the driver's sgl list and memory. |
3772a991 | 3921 | **/ |
da0436e9 JS |
3922 | static void |
3923 | lpfc_free_sgl_list(struct lpfc_hba *phba) | |
3772a991 | 3924 | { |
da0436e9 JS |
3925 | struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; |
3926 | LIST_HEAD(sglq_list); | |
3927 | int rc = 0; | |
dea3101e | 3928 | |
da0436e9 JS |
3929 | spin_lock_irq(&phba->hbalock); |
3930 | list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list); | |
3931 | spin_unlock_irq(&phba->hbalock); | |
dea3101e | 3932 | |
da0436e9 JS |
3933 | list_for_each_entry_safe(sglq_entry, sglq_next, |
3934 | &sglq_list, list) { | |
3935 | list_del(&sglq_entry->list); | |
3936 | lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys); | |
3937 | kfree(sglq_entry); | |
3938 | phba->sli4_hba.total_sglq_bufs--; | |
3939 | } | |
3940 | rc = lpfc_sli4_remove_all_sgl_pages(phba); | |
3941 | if (rc) { | |
3942 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6a9c52cf | 3943 | "2005 Unable to deregister pages from HBA: %x\n", rc); |
3772a991 | 3944 | } |
da0436e9 JS |
3945 | kfree(phba->sli4_hba.lpfc_els_sgl_array); |
3946 | } | |
92d7f7b0 | 3947 | |
da0436e9 JS |
3948 | /** |
3949 | * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs. | |
3950 | * @phba: pointer to lpfc hba data structure. | |
3951 | * | |
3952 | * This routine is invoked to allocate the driver's active sgl memory. | |
3953 | * This array will hold the sglq_entry's for active IOs. | |
3954 | **/ | |
3955 | static int | |
3956 | lpfc_init_active_sgl_array(struct lpfc_hba *phba) | |
3957 | { | |
3958 | int size; | |
3959 | size = sizeof(struct lpfc_sglq *); | |
3960 | size *= phba->sli4_hba.max_cfg_param.max_xri; | |
3961 | ||
3962 | phba->sli4_hba.lpfc_sglq_active_list = | |
3963 | kzalloc(size, GFP_KERNEL); | |
3964 | if (!phba->sli4_hba.lpfc_sglq_active_list) | |
3965 | return -ENOMEM; | |
3966 | return 0; | |
3772a991 JS |
3967 | } |
3968 | ||
3969 | /** | |
da0436e9 | 3970 | * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs. |
3772a991 JS |
3971 | * @phba: pointer to lpfc hba data structure. |
3972 | * | |
da0436e9 JS |
3973 | * This routine is invoked to walk through the array of active sglq entries |
3974 | * and free all of the resources. | |
3975 | * This is just a place holder for now. | |
3772a991 JS |
3976 | **/ |
3977 | static void | |
da0436e9 | 3978 | lpfc_free_active_sgl(struct lpfc_hba *phba) |
3772a991 | 3979 | { |
da0436e9 | 3980 | kfree(phba->sli4_hba.lpfc_sglq_active_list); |
3772a991 JS |
3981 | } |
3982 | ||
3983 | /** | |
da0436e9 | 3984 | * lpfc_init_sgl_list - Allocate and initialize sgl list. |
3772a991 JS |
3985 | * @phba: pointer to lpfc hba data structure. |
3986 | * | |
da0436e9 JS |
3987 | * This routine is invoked to allocate and initizlize the driver's sgl |
3988 | * list and set up the sgl xritag tag array accordingly. | |
3772a991 JS |
3989 | * |
3990 | * Return codes | |
af901ca1 | 3991 | * 0 - successful |
da0436e9 | 3992 | * other values - error |
3772a991 JS |
3993 | **/ |
3994 | static int | |
da0436e9 | 3995 | lpfc_init_sgl_list(struct lpfc_hba *phba) |
3772a991 | 3996 | { |
da0436e9 JS |
3997 | struct lpfc_sglq *sglq_entry = NULL; |
3998 | int i; | |
3999 | int els_xri_cnt; | |
4000 | ||
4001 | els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); | |
4002 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
4003 | "2400 lpfc_init_sgl_list els %d.\n", | |
4004 | els_xri_cnt); | |
4005 | /* Initialize and populate the sglq list per host/VF. */ | |
4006 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list); | |
4007 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list); | |
4008 | ||
4009 | /* Sanity check on XRI management */ | |
4010 | if (phba->sli4_hba.max_cfg_param.max_xri <= els_xri_cnt) { | |
4011 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4012 | "2562 No room left for SCSI XRI allocation: " | |
4013 | "max_xri=%d, els_xri=%d\n", | |
4014 | phba->sli4_hba.max_cfg_param.max_xri, | |
4015 | els_xri_cnt); | |
4016 | return -ENOMEM; | |
4017 | } | |
3772a991 | 4018 | |
da0436e9 JS |
4019 | /* Allocate memory for the ELS XRI management array */ |
4020 | phba->sli4_hba.lpfc_els_sgl_array = | |
4021 | kzalloc((sizeof(struct lpfc_sglq *) * els_xri_cnt), | |
4022 | GFP_KERNEL); | |
0ff10d46 | 4023 | |
da0436e9 JS |
4024 | if (!phba->sli4_hba.lpfc_els_sgl_array) { |
4025 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4026 | "2401 Failed to allocate memory for ELS " | |
4027 | "XRI management array of size %d.\n", | |
4028 | els_xri_cnt); | |
4029 | return -ENOMEM; | |
4030 | } | |
2e0fef85 | 4031 | |
da0436e9 JS |
4032 | /* Keep the SCSI XRI into the XRI management array */ |
4033 | phba->sli4_hba.scsi_xri_max = | |
4034 | phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt; | |
4035 | phba->sli4_hba.scsi_xri_cnt = 0; | |
4036 | ||
4037 | phba->sli4_hba.lpfc_scsi_psb_array = | |
4038 | kzalloc((sizeof(struct lpfc_scsi_buf *) * | |
4039 | phba->sli4_hba.scsi_xri_max), GFP_KERNEL); | |
4040 | ||
4041 | if (!phba->sli4_hba.lpfc_scsi_psb_array) { | |
4042 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4043 | "2563 Failed to allocate memory for SCSI " | |
4044 | "XRI management array of size %d.\n", | |
4045 | phba->sli4_hba.scsi_xri_max); | |
4046 | kfree(phba->sli4_hba.lpfc_els_sgl_array); | |
4047 | return -ENOMEM; | |
4048 | } | |
4049 | ||
4050 | for (i = 0; i < els_xri_cnt; i++) { | |
4051 | sglq_entry = kzalloc(sizeof(struct lpfc_sglq), GFP_KERNEL); | |
4052 | if (sglq_entry == NULL) { | |
4053 | printk(KERN_ERR "%s: only allocated %d sgls of " | |
4054 | "expected %d count. Unloading driver.\n", | |
4055 | __func__, i, els_xri_cnt); | |
4056 | goto out_free_mem; | |
4057 | } | |
4058 | ||
4059 | sglq_entry->sli4_xritag = lpfc_sli4_next_xritag(phba); | |
4060 | if (sglq_entry->sli4_xritag == NO_XRI) { | |
4061 | kfree(sglq_entry); | |
4062 | printk(KERN_ERR "%s: failed to allocate XRI.\n" | |
4063 | "Unloading driver.\n", __func__); | |
4064 | goto out_free_mem; | |
4065 | } | |
4066 | sglq_entry->buff_type = GEN_BUFF_TYPE; | |
4067 | sglq_entry->virt = lpfc_mbuf_alloc(phba, 0, &sglq_entry->phys); | |
4068 | if (sglq_entry->virt == NULL) { | |
4069 | kfree(sglq_entry); | |
4070 | printk(KERN_ERR "%s: failed to allocate mbuf.\n" | |
4071 | "Unloading driver.\n", __func__); | |
4072 | goto out_free_mem; | |
4073 | } | |
4074 | sglq_entry->sgl = sglq_entry->virt; | |
4075 | memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE); | |
4076 | ||
4077 | /* The list order is used by later block SGL registraton */ | |
4078 | spin_lock_irq(&phba->hbalock); | |
4079 | list_add_tail(&sglq_entry->list, &phba->sli4_hba.lpfc_sgl_list); | |
4080 | phba->sli4_hba.lpfc_els_sgl_array[i] = sglq_entry; | |
4081 | phba->sli4_hba.total_sglq_bufs++; | |
4082 | spin_unlock_irq(&phba->hbalock); | |
4083 | } | |
4084 | return 0; | |
4085 | ||
4086 | out_free_mem: | |
4087 | kfree(phba->sli4_hba.lpfc_scsi_psb_array); | |
4088 | lpfc_free_sgl_list(phba); | |
4089 | return -ENOMEM; | |
4090 | } | |
4091 | ||
4092 | /** | |
4093 | * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port | |
4094 | * @phba: pointer to lpfc hba data structure. | |
4095 | * | |
4096 | * This routine is invoked to post rpi header templates to the | |
4097 | * HBA consistent with the SLI-4 interface spec. This routine | |
4098 | * posts a PAGE_SIZE memory region to the port to hold up to | |
4099 | * PAGE_SIZE modulo 64 rpi context headers. | |
4100 | * No locks are held here because this is an initialization routine | |
4101 | * called only from probe or lpfc_online when interrupts are not | |
4102 | * enabled and the driver is reinitializing the device. | |
4103 | * | |
4104 | * Return codes | |
af901ca1 | 4105 | * 0 - successful |
da0436e9 JS |
4106 | * ENOMEM - No availble memory |
4107 | * EIO - The mailbox failed to complete successfully. | |
4108 | **/ | |
4109 | int | |
4110 | lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba) | |
4111 | { | |
4112 | int rc = 0; | |
4113 | int longs; | |
4114 | uint16_t rpi_count; | |
4115 | struct lpfc_rpi_hdr *rpi_hdr; | |
4116 | ||
4117 | INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list); | |
4118 | ||
4119 | /* | |
4120 | * Provision an rpi bitmask range for discovery. The total count | |
4121 | * is the difference between max and base + 1. | |
4122 | */ | |
4123 | rpi_count = phba->sli4_hba.max_cfg_param.rpi_base + | |
4124 | phba->sli4_hba.max_cfg_param.max_rpi - 1; | |
4125 | ||
4126 | longs = ((rpi_count) + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
4127 | phba->sli4_hba.rpi_bmask = kzalloc(longs * sizeof(unsigned long), | |
4128 | GFP_KERNEL); | |
4129 | if (!phba->sli4_hba.rpi_bmask) | |
4130 | return -ENOMEM; | |
4131 | ||
4132 | rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); | |
4133 | if (!rpi_hdr) { | |
4134 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
4135 | "0391 Error during rpi post operation\n"); | |
4136 | lpfc_sli4_remove_rpis(phba); | |
4137 | rc = -ENODEV; | |
4138 | } | |
4139 | ||
4140 | return rc; | |
4141 | } | |
4142 | ||
4143 | /** | |
4144 | * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region | |
4145 | * @phba: pointer to lpfc hba data structure. | |
4146 | * | |
4147 | * This routine is invoked to allocate a single 4KB memory region to | |
4148 | * support rpis and stores them in the phba. This single region | |
4149 | * provides support for up to 64 rpis. The region is used globally | |
4150 | * by the device. | |
4151 | * | |
4152 | * Returns: | |
4153 | * A valid rpi hdr on success. | |
4154 | * A NULL pointer on any failure. | |
4155 | **/ | |
4156 | struct lpfc_rpi_hdr * | |
4157 | lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) | |
4158 | { | |
4159 | uint16_t rpi_limit, curr_rpi_range; | |
4160 | struct lpfc_dmabuf *dmabuf; | |
4161 | struct lpfc_rpi_hdr *rpi_hdr; | |
4162 | ||
4163 | rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base + | |
4164 | phba->sli4_hba.max_cfg_param.max_rpi - 1; | |
4165 | ||
4166 | spin_lock_irq(&phba->hbalock); | |
4167 | curr_rpi_range = phba->sli4_hba.next_rpi; | |
4168 | spin_unlock_irq(&phba->hbalock); | |
4169 | ||
4170 | /* | |
4171 | * The port has a limited number of rpis. The increment here | |
4172 | * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value | |
4173 | * and to allow the full max_rpi range per port. | |
4174 | */ | |
4175 | if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit) | |
4176 | return NULL; | |
4177 | ||
4178 | /* | |
4179 | * First allocate the protocol header region for the port. The | |
4180 | * port expects a 4KB DMA-mapped memory region that is 4K aligned. | |
4181 | */ | |
4182 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
4183 | if (!dmabuf) | |
4184 | return NULL; | |
4185 | ||
4186 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
4187 | LPFC_HDR_TEMPLATE_SIZE, | |
4188 | &dmabuf->phys, | |
4189 | GFP_KERNEL); | |
4190 | if (!dmabuf->virt) { | |
4191 | rpi_hdr = NULL; | |
4192 | goto err_free_dmabuf; | |
4193 | } | |
4194 | ||
4195 | memset(dmabuf->virt, 0, LPFC_HDR_TEMPLATE_SIZE); | |
4196 | if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) { | |
4197 | rpi_hdr = NULL; | |
4198 | goto err_free_coherent; | |
4199 | } | |
4200 | ||
4201 | /* Save the rpi header data for cleanup later. */ | |
4202 | rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL); | |
4203 | if (!rpi_hdr) | |
4204 | goto err_free_coherent; | |
4205 | ||
4206 | rpi_hdr->dmabuf = dmabuf; | |
4207 | rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE; | |
4208 | rpi_hdr->page_count = 1; | |
4209 | spin_lock_irq(&phba->hbalock); | |
4210 | rpi_hdr->start_rpi = phba->sli4_hba.next_rpi; | |
4211 | list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list); | |
4212 | ||
4213 | /* | |
4214 | * The next_rpi stores the next module-64 rpi value to post | |
4215 | * in any subsequent rpi memory region postings. | |
4216 | */ | |
4217 | phba->sli4_hba.next_rpi += LPFC_RPI_HDR_COUNT; | |
4218 | spin_unlock_irq(&phba->hbalock); | |
4219 | return rpi_hdr; | |
4220 | ||
4221 | err_free_coherent: | |
4222 | dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE, | |
4223 | dmabuf->virt, dmabuf->phys); | |
4224 | err_free_dmabuf: | |
4225 | kfree(dmabuf); | |
4226 | return NULL; | |
4227 | } | |
4228 | ||
4229 | /** | |
4230 | * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions | |
4231 | * @phba: pointer to lpfc hba data structure. | |
4232 | * | |
4233 | * This routine is invoked to remove all memory resources allocated | |
4234 | * to support rpis. This routine presumes the caller has released all | |
4235 | * rpis consumed by fabric or port logins and is prepared to have | |
4236 | * the header pages removed. | |
4237 | **/ | |
4238 | void | |
4239 | lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba) | |
4240 | { | |
4241 | struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr; | |
4242 | ||
4243 | list_for_each_entry_safe(rpi_hdr, next_rpi_hdr, | |
4244 | &phba->sli4_hba.lpfc_rpi_hdr_list, list) { | |
4245 | list_del(&rpi_hdr->list); | |
4246 | dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len, | |
4247 | rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys); | |
4248 | kfree(rpi_hdr->dmabuf); | |
4249 | kfree(rpi_hdr); | |
4250 | } | |
4251 | ||
4252 | phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.rpi_base; | |
4253 | memset(phba->sli4_hba.rpi_bmask, 0, sizeof(*phba->sli4_hba.rpi_bmask)); | |
4254 | } | |
4255 | ||
4256 | /** | |
4257 | * lpfc_hba_alloc - Allocate driver hba data structure for a device. | |
4258 | * @pdev: pointer to pci device data structure. | |
4259 | * | |
4260 | * This routine is invoked to allocate the driver hba data structure for an | |
4261 | * HBA device. If the allocation is successful, the phba reference to the | |
4262 | * PCI device data structure is set. | |
4263 | * | |
4264 | * Return codes | |
af901ca1 | 4265 | * pointer to @phba - successful |
da0436e9 JS |
4266 | * NULL - error |
4267 | **/ | |
4268 | static struct lpfc_hba * | |
4269 | lpfc_hba_alloc(struct pci_dev *pdev) | |
4270 | { | |
4271 | struct lpfc_hba *phba; | |
4272 | ||
4273 | /* Allocate memory for HBA structure */ | |
4274 | phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL); | |
4275 | if (!phba) { | |
e34ccdfe | 4276 | dev_err(&pdev->dev, "failed to allocate hba struct\n"); |
da0436e9 JS |
4277 | return NULL; |
4278 | } | |
4279 | ||
4280 | /* Set reference to PCI device in HBA structure */ | |
4281 | phba->pcidev = pdev; | |
4282 | ||
4283 | /* Assign an unused board number */ | |
4284 | phba->brd_no = lpfc_get_instance(); | |
4285 | if (phba->brd_no < 0) { | |
4286 | kfree(phba); | |
4287 | return NULL; | |
4288 | } | |
4289 | ||
f1c3b0fc JS |
4290 | mutex_init(&phba->ct_event_mutex); |
4291 | INIT_LIST_HEAD(&phba->ct_ev_waiters); | |
4292 | ||
da0436e9 JS |
4293 | return phba; |
4294 | } | |
4295 | ||
4296 | /** | |
4297 | * lpfc_hba_free - Free driver hba data structure with a device. | |
4298 | * @phba: pointer to lpfc hba data structure. | |
4299 | * | |
4300 | * This routine is invoked to free the driver hba data structure with an | |
4301 | * HBA device. | |
4302 | **/ | |
4303 | static void | |
4304 | lpfc_hba_free(struct lpfc_hba *phba) | |
4305 | { | |
4306 | /* Release the driver assigned board number */ | |
4307 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
4308 | ||
4309 | kfree(phba); | |
4310 | return; | |
4311 | } | |
4312 | ||
4313 | /** | |
4314 | * lpfc_create_shost - Create hba physical port with associated scsi host. | |
4315 | * @phba: pointer to lpfc hba data structure. | |
4316 | * | |
4317 | * This routine is invoked to create HBA physical port and associate a SCSI | |
4318 | * host with it. | |
4319 | * | |
4320 | * Return codes | |
af901ca1 | 4321 | * 0 - successful |
da0436e9 JS |
4322 | * other values - error |
4323 | **/ | |
4324 | static int | |
4325 | lpfc_create_shost(struct lpfc_hba *phba) | |
4326 | { | |
4327 | struct lpfc_vport *vport; | |
4328 | struct Scsi_Host *shost; | |
4329 | ||
4330 | /* Initialize HBA FC structure */ | |
4331 | phba->fc_edtov = FF_DEF_EDTOV; | |
4332 | phba->fc_ratov = FF_DEF_RATOV; | |
4333 | phba->fc_altov = FF_DEF_ALTOV; | |
4334 | phba->fc_arbtov = FF_DEF_ARBTOV; | |
4335 | ||
4336 | vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); | |
4337 | if (!vport) | |
4338 | return -ENODEV; | |
4339 | ||
4340 | shost = lpfc_shost_from_vport(vport); | |
4341 | phba->pport = vport; | |
4342 | lpfc_debugfs_initialize(vport); | |
4343 | /* Put reference to SCSI host to driver's device private data */ | |
4344 | pci_set_drvdata(phba->pcidev, shost); | |
2e0fef85 | 4345 | |
3772a991 JS |
4346 | return 0; |
4347 | } | |
db2378e0 | 4348 | |
3772a991 JS |
4349 | /** |
4350 | * lpfc_destroy_shost - Destroy hba physical port with associated scsi host. | |
4351 | * @phba: pointer to lpfc hba data structure. | |
4352 | * | |
4353 | * This routine is invoked to destroy HBA physical port and the associated | |
4354 | * SCSI host. | |
4355 | **/ | |
4356 | static void | |
4357 | lpfc_destroy_shost(struct lpfc_hba *phba) | |
4358 | { | |
4359 | struct lpfc_vport *vport = phba->pport; | |
4360 | ||
4361 | /* Destroy physical port that associated with the SCSI host */ | |
4362 | destroy_port(vport); | |
4363 | ||
4364 | return; | |
4365 | } | |
4366 | ||
4367 | /** | |
4368 | * lpfc_setup_bg - Setup Block guard structures and debug areas. | |
4369 | * @phba: pointer to lpfc hba data structure. | |
4370 | * @shost: the shost to be used to detect Block guard settings. | |
4371 | * | |
4372 | * This routine sets up the local Block guard protocol settings for @shost. | |
4373 | * This routine also allocates memory for debugging bg buffers. | |
4374 | **/ | |
4375 | static void | |
4376 | lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost) | |
4377 | { | |
4378 | int pagecnt = 10; | |
4379 | if (lpfc_prot_mask && lpfc_prot_guard) { | |
4380 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4381 | "1478 Registering BlockGuard with the " | |
4382 | "SCSI layer\n"); | |
4383 | scsi_host_set_prot(shost, lpfc_prot_mask); | |
4384 | scsi_host_set_guard(shost, lpfc_prot_guard); | |
4385 | } | |
4386 | if (!_dump_buf_data) { | |
4387 | while (pagecnt) { | |
4388 | spin_lock_init(&_dump_buf_lock); | |
4389 | _dump_buf_data = | |
4390 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
4391 | if (_dump_buf_data) { | |
6a9c52cf JS |
4392 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
4393 | "9043 BLKGRD: allocated %d pages for " | |
3772a991 JS |
4394 | "_dump_buf_data at 0x%p\n", |
4395 | (1 << pagecnt), _dump_buf_data); | |
4396 | _dump_buf_data_order = pagecnt; | |
4397 | memset(_dump_buf_data, 0, | |
4398 | ((1 << PAGE_SHIFT) << pagecnt)); | |
4399 | break; | |
4400 | } else | |
4401 | --pagecnt; | |
4402 | } | |
4403 | if (!_dump_buf_data_order) | |
6a9c52cf JS |
4404 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
4405 | "9044 BLKGRD: ERROR unable to allocate " | |
3772a991 JS |
4406 | "memory for hexdump\n"); |
4407 | } else | |
6a9c52cf JS |
4408 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
4409 | "9045 BLKGRD: already allocated _dump_buf_data=0x%p" | |
3772a991 JS |
4410 | "\n", _dump_buf_data); |
4411 | if (!_dump_buf_dif) { | |
4412 | while (pagecnt) { | |
4413 | _dump_buf_dif = | |
4414 | (char *) __get_free_pages(GFP_KERNEL, pagecnt); | |
4415 | if (_dump_buf_dif) { | |
6a9c52cf JS |
4416 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
4417 | "9046 BLKGRD: allocated %d pages for " | |
3772a991 JS |
4418 | "_dump_buf_dif at 0x%p\n", |
4419 | (1 << pagecnt), _dump_buf_dif); | |
4420 | _dump_buf_dif_order = pagecnt; | |
4421 | memset(_dump_buf_dif, 0, | |
4422 | ((1 << PAGE_SHIFT) << pagecnt)); | |
4423 | break; | |
4424 | } else | |
4425 | --pagecnt; | |
4426 | } | |
4427 | if (!_dump_buf_dif_order) | |
6a9c52cf JS |
4428 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
4429 | "9047 BLKGRD: ERROR unable to allocate " | |
3772a991 JS |
4430 | "memory for hexdump\n"); |
4431 | } else | |
6a9c52cf JS |
4432 | lpfc_printf_log(phba, KERN_ERR, LOG_BG, |
4433 | "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n", | |
3772a991 JS |
4434 | _dump_buf_dif); |
4435 | } | |
4436 | ||
4437 | /** | |
4438 | * lpfc_post_init_setup - Perform necessary device post initialization setup. | |
4439 | * @phba: pointer to lpfc hba data structure. | |
4440 | * | |
4441 | * This routine is invoked to perform all the necessary post initialization | |
4442 | * setup for the device. | |
4443 | **/ | |
4444 | static void | |
4445 | lpfc_post_init_setup(struct lpfc_hba *phba) | |
4446 | { | |
4447 | struct Scsi_Host *shost; | |
4448 | struct lpfc_adapter_event_header adapter_event; | |
4449 | ||
4450 | /* Get the default values for Model Name and Description */ | |
4451 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
4452 | ||
4453 | /* | |
4454 | * hba setup may have changed the hba_queue_depth so we need to | |
4455 | * adjust the value of can_queue. | |
4456 | */ | |
4457 | shost = pci_get_drvdata(phba->pcidev); | |
4458 | shost->can_queue = phba->cfg_hba_queue_depth - 10; | |
4459 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) | |
4460 | lpfc_setup_bg(phba, shost); | |
4461 | ||
4462 | lpfc_host_attrib_init(shost); | |
4463 | ||
4464 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { | |
4465 | spin_lock_irq(shost->host_lock); | |
4466 | lpfc_poll_start_timer(phba); | |
4467 | spin_unlock_irq(shost->host_lock); | |
4468 | } | |
4469 | ||
4470 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4471 | "0428 Perform SCSI scan\n"); | |
4472 | /* Send board arrival event to upper layer */ | |
4473 | adapter_event.event_type = FC_REG_ADAPTER_EVENT; | |
4474 | adapter_event.subcategory = LPFC_EVENT_ARRIVAL; | |
4475 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
4476 | sizeof(adapter_event), | |
4477 | (char *) &adapter_event, | |
4478 | LPFC_NL_VENDOR_ID); | |
4479 | return; | |
4480 | } | |
4481 | ||
4482 | /** | |
4483 | * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space. | |
4484 | * @phba: pointer to lpfc hba data structure. | |
4485 | * | |
4486 | * This routine is invoked to set up the PCI device memory space for device | |
4487 | * with SLI-3 interface spec. | |
4488 | * | |
4489 | * Return codes | |
af901ca1 | 4490 | * 0 - successful |
3772a991 JS |
4491 | * other values - error |
4492 | **/ | |
4493 | static int | |
4494 | lpfc_sli_pci_mem_setup(struct lpfc_hba *phba) | |
4495 | { | |
4496 | struct pci_dev *pdev; | |
4497 | unsigned long bar0map_len, bar2map_len; | |
4498 | int i, hbq_count; | |
4499 | void *ptr; | |
4500 | int error = -ENODEV; | |
4501 | ||
4502 | /* Obtain PCI device reference */ | |
4503 | if (!phba->pcidev) | |
4504 | return error; | |
4505 | else | |
4506 | pdev = phba->pcidev; | |
4507 | ||
4508 | /* Set the device DMA mask size */ | |
8e68597d MR |
4509 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 |
4510 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { | |
4511 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 | |
4512 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { | |
3772a991 | 4513 | return error; |
8e68597d MR |
4514 | } |
4515 | } | |
3772a991 JS |
4516 | |
4517 | /* Get the bus address of Bar0 and Bar2 and the number of bytes | |
4518 | * required by each mapping. | |
4519 | */ | |
4520 | phba->pci_bar0_map = pci_resource_start(pdev, 0); | |
4521 | bar0map_len = pci_resource_len(pdev, 0); | |
4522 | ||
4523 | phba->pci_bar2_map = pci_resource_start(pdev, 2); | |
4524 | bar2map_len = pci_resource_len(pdev, 2); | |
4525 | ||
4526 | /* Map HBA SLIM to a kernel virtual address. */ | |
4527 | phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); | |
4528 | if (!phba->slim_memmap_p) { | |
4529 | dev_printk(KERN_ERR, &pdev->dev, | |
4530 | "ioremap failed for SLIM memory.\n"); | |
4531 | goto out; | |
4532 | } | |
4533 | ||
4534 | /* Map HBA Control Registers to a kernel virtual address. */ | |
4535 | phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); | |
4536 | if (!phba->ctrl_regs_memmap_p) { | |
4537 | dev_printk(KERN_ERR, &pdev->dev, | |
4538 | "ioremap failed for HBA control registers.\n"); | |
4539 | goto out_iounmap_slim; | |
4540 | } | |
4541 | ||
4542 | /* Allocate memory for SLI-2 structures */ | |
4543 | phba->slim2p.virt = dma_alloc_coherent(&pdev->dev, | |
4544 | SLI2_SLIM_SIZE, | |
4545 | &phba->slim2p.phys, | |
4546 | GFP_KERNEL); | |
4547 | if (!phba->slim2p.virt) | |
4548 | goto out_iounmap; | |
4549 | ||
4550 | memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE); | |
4551 | phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx); | |
4552 | phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb)); | |
4553 | phba->IOCBs = (phba->slim2p.virt + | |
4554 | offsetof(struct lpfc_sli2_slim, IOCBs)); | |
4555 | ||
4556 | phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev, | |
4557 | lpfc_sli_hbq_size(), | |
4558 | &phba->hbqslimp.phys, | |
4559 | GFP_KERNEL); | |
4560 | if (!phba->hbqslimp.virt) | |
4561 | goto out_free_slim; | |
4562 | ||
4563 | hbq_count = lpfc_sli_hbq_count(); | |
4564 | ptr = phba->hbqslimp.virt; | |
4565 | for (i = 0; i < hbq_count; ++i) { | |
4566 | phba->hbqs[i].hbq_virt = ptr; | |
4567 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
4568 | ptr += (lpfc_hbq_defs[i]->entry_count * | |
4569 | sizeof(struct lpfc_hbq_entry)); | |
4570 | } | |
4571 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; | |
4572 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; | |
4573 | ||
4574 | memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); | |
4575 | ||
4576 | INIT_LIST_HEAD(&phba->rb_pend_list); | |
4577 | ||
4578 | phba->MBslimaddr = phba->slim_memmap_p; | |
4579 | phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; | |
4580 | phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; | |
4581 | phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; | |
4582 | phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; | |
4583 | ||
4584 | return 0; | |
4585 | ||
4586 | out_free_slim: | |
4587 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
4588 | phba->slim2p.virt, phba->slim2p.phys); | |
4589 | out_iounmap: | |
4590 | iounmap(phba->ctrl_regs_memmap_p); | |
4591 | out_iounmap_slim: | |
4592 | iounmap(phba->slim_memmap_p); | |
4593 | out: | |
4594 | return error; | |
4595 | } | |
4596 | ||
4597 | /** | |
4598 | * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space. | |
4599 | * @phba: pointer to lpfc hba data structure. | |
4600 | * | |
4601 | * This routine is invoked to unset the PCI device memory space for device | |
4602 | * with SLI-3 interface spec. | |
4603 | **/ | |
4604 | static void | |
4605 | lpfc_sli_pci_mem_unset(struct lpfc_hba *phba) | |
4606 | { | |
4607 | struct pci_dev *pdev; | |
4608 | ||
4609 | /* Obtain PCI device reference */ | |
4610 | if (!phba->pcidev) | |
4611 | return; | |
4612 | else | |
4613 | pdev = phba->pcidev; | |
4614 | ||
4615 | /* Free coherent DMA memory allocated */ | |
4616 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), | |
4617 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
4618 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
4619 | phba->slim2p.virt, phba->slim2p.phys); | |
4620 | ||
4621 | /* I/O memory unmap */ | |
4622 | iounmap(phba->ctrl_regs_memmap_p); | |
4623 | iounmap(phba->slim_memmap_p); | |
4624 | ||
4625 | return; | |
4626 | } | |
4627 | ||
4628 | /** | |
da0436e9 | 4629 | * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status |
3772a991 JS |
4630 | * @phba: pointer to lpfc hba data structure. |
4631 | * | |
da0436e9 JS |
4632 | * This routine is invoked to wait for SLI4 device Power On Self Test (POST) |
4633 | * done and check status. | |
3772a991 | 4634 | * |
da0436e9 | 4635 | * Return 0 if successful, otherwise -ENODEV. |
3772a991 | 4636 | **/ |
da0436e9 JS |
4637 | int |
4638 | lpfc_sli4_post_status_check(struct lpfc_hba *phba) | |
3772a991 | 4639 | { |
da0436e9 | 4640 | struct lpfc_register sta_reg, uerrlo_reg, uerrhi_reg, scratchpad; |
da0436e9 | 4641 | int i, port_error = -ENODEV; |
3772a991 | 4642 | |
da0436e9 JS |
4643 | if (!phba->sli4_hba.STAregaddr) |
4644 | return -ENODEV; | |
3772a991 | 4645 | |
da0436e9 JS |
4646 | /* Wait up to 30 seconds for the SLI Port POST done and ready */ |
4647 | for (i = 0; i < 3000; i++) { | |
4648 | sta_reg.word0 = readl(phba->sli4_hba.STAregaddr); | |
4649 | /* Encounter fatal POST error, break out */ | |
4650 | if (bf_get(lpfc_hst_state_perr, &sta_reg)) { | |
4651 | port_error = -ENODEV; | |
4652 | break; | |
4653 | } | |
4654 | if (LPFC_POST_STAGE_ARMFW_READY == | |
4655 | bf_get(lpfc_hst_state_port_status, &sta_reg)) { | |
4656 | port_error = 0; | |
4657 | break; | |
4658 | } | |
4659 | msleep(10); | |
3772a991 JS |
4660 | } |
4661 | ||
da0436e9 JS |
4662 | if (port_error) |
4663 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4664 | "1408 Failure HBA POST Status: sta_reg=0x%x, " | |
4665 | "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, xrom=x%x, " | |
4666 | "dl=x%x, pstatus=x%x\n", sta_reg.word0, | |
4667 | bf_get(lpfc_hst_state_perr, &sta_reg), | |
4668 | bf_get(lpfc_hst_state_sfi, &sta_reg), | |
4669 | bf_get(lpfc_hst_state_nip, &sta_reg), | |
4670 | bf_get(lpfc_hst_state_ipc, &sta_reg), | |
4671 | bf_get(lpfc_hst_state_xrom, &sta_reg), | |
4672 | bf_get(lpfc_hst_state_dl, &sta_reg), | |
4673 | bf_get(lpfc_hst_state_port_status, &sta_reg)); | |
4674 | ||
4675 | /* Log device information */ | |
4676 | scratchpad.word0 = readl(phba->sli4_hba.SCRATCHPADregaddr); | |
4677 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4678 | "2534 Device Info: ChipType=0x%x, SliRev=0x%x, " | |
4679 | "FeatureL1=0x%x, FeatureL2=0x%x\n", | |
4680 | bf_get(lpfc_scratchpad_chiptype, &scratchpad), | |
4681 | bf_get(lpfc_scratchpad_slirev, &scratchpad), | |
4682 | bf_get(lpfc_scratchpad_featurelevel1, &scratchpad), | |
4683 | bf_get(lpfc_scratchpad_featurelevel2, &scratchpad)); | |
a747c9ce JS |
4684 | phba->sli4_hba.ue_mask_lo = readl(phba->sli4_hba.UEMASKLOregaddr); |
4685 | phba->sli4_hba.ue_mask_hi = readl(phba->sli4_hba.UEMASKHIregaddr); | |
8fa38513 | 4686 | /* With uncoverable error, log the error message and return error */ |
a747c9ce JS |
4687 | uerrlo_reg.word0 = readl(phba->sli4_hba.UERRLOregaddr); |
4688 | uerrhi_reg.word0 = readl(phba->sli4_hba.UERRHIregaddr); | |
4689 | if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) || | |
4690 | (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) { | |
4691 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4692 | "1422 HBA Unrecoverable error: " | |
4693 | "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, " | |
4694 | "ue_mask_lo_reg=0x%x, ue_mask_hi_reg=0x%x\n", | |
4695 | uerrlo_reg.word0, uerrhi_reg.word0, | |
4696 | phba->sli4_hba.ue_mask_lo, | |
4697 | phba->sli4_hba.ue_mask_hi); | |
8fa38513 JS |
4698 | return -ENODEV; |
4699 | } | |
4700 | ||
da0436e9 JS |
4701 | return port_error; |
4702 | } | |
3772a991 | 4703 | |
da0436e9 JS |
4704 | /** |
4705 | * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map. | |
4706 | * @phba: pointer to lpfc hba data structure. | |
4707 | * | |
4708 | * This routine is invoked to set up SLI4 BAR0 PCI config space register | |
4709 | * memory map. | |
4710 | **/ | |
4711 | static void | |
4712 | lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba) | |
4713 | { | |
4714 | phba->sli4_hba.UERRLOregaddr = phba->sli4_hba.conf_regs_memmap_p + | |
4715 | LPFC_UERR_STATUS_LO; | |
4716 | phba->sli4_hba.UERRHIregaddr = phba->sli4_hba.conf_regs_memmap_p + | |
4717 | LPFC_UERR_STATUS_HI; | |
a747c9ce JS |
4718 | phba->sli4_hba.UEMASKLOregaddr = phba->sli4_hba.conf_regs_memmap_p + |
4719 | LPFC_UE_MASK_LO; | |
4720 | phba->sli4_hba.UEMASKHIregaddr = phba->sli4_hba.conf_regs_memmap_p + | |
4721 | LPFC_UE_MASK_HI; | |
da0436e9 JS |
4722 | phba->sli4_hba.SCRATCHPADregaddr = phba->sli4_hba.conf_regs_memmap_p + |
4723 | LPFC_SCRATCHPAD; | |
4724 | } | |
3772a991 | 4725 | |
da0436e9 JS |
4726 | /** |
4727 | * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map. | |
4728 | * @phba: pointer to lpfc hba data structure. | |
4729 | * | |
4730 | * This routine is invoked to set up SLI4 BAR1 control status register (CSR) | |
4731 | * memory map. | |
4732 | **/ | |
4733 | static void | |
4734 | lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba) | |
4735 | { | |
3772a991 | 4736 | |
da0436e9 JS |
4737 | phba->sli4_hba.STAregaddr = phba->sli4_hba.ctrl_regs_memmap_p + |
4738 | LPFC_HST_STATE; | |
4739 | phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + | |
4740 | LPFC_HST_ISR0; | |
4741 | phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + | |
4742 | LPFC_HST_IMR0; | |
4743 | phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p + | |
4744 | LPFC_HST_ISCR0; | |
4745 | return; | |
3772a991 JS |
4746 | } |
4747 | ||
4748 | /** | |
da0436e9 | 4749 | * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map. |
3772a991 | 4750 | * @phba: pointer to lpfc hba data structure. |
da0436e9 | 4751 | * @vf: virtual function number |
3772a991 | 4752 | * |
da0436e9 JS |
4753 | * This routine is invoked to set up SLI4 BAR2 doorbell register memory map |
4754 | * based on the given viftual function number, @vf. | |
4755 | * | |
4756 | * Return 0 if successful, otherwise -ENODEV. | |
3772a991 | 4757 | **/ |
da0436e9 JS |
4758 | static int |
4759 | lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf) | |
3772a991 | 4760 | { |
da0436e9 JS |
4761 | if (vf > LPFC_VIR_FUNC_MAX) |
4762 | return -ENODEV; | |
3772a991 | 4763 | |
da0436e9 JS |
4764 | phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + |
4765 | vf * LPFC_VFR_PAGE_SIZE + LPFC_RQ_DOORBELL); | |
4766 | phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
4767 | vf * LPFC_VFR_PAGE_SIZE + LPFC_WQ_DOORBELL); | |
4768 | phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
4769 | vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL); | |
4770 | phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
4771 | vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL); | |
4772 | phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p + | |
4773 | vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX); | |
4774 | return 0; | |
3772a991 JS |
4775 | } |
4776 | ||
4777 | /** | |
da0436e9 | 4778 | * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox |
3772a991 JS |
4779 | * @phba: pointer to lpfc hba data structure. |
4780 | * | |
da0436e9 JS |
4781 | * This routine is invoked to create the bootstrap mailbox |
4782 | * region consistent with the SLI-4 interface spec. This | |
4783 | * routine allocates all memory necessary to communicate | |
4784 | * mailbox commands to the port and sets up all alignment | |
4785 | * needs. No locks are expected to be held when calling | |
4786 | * this routine. | |
3772a991 JS |
4787 | * |
4788 | * Return codes | |
af901ca1 | 4789 | * 0 - successful |
da0436e9 JS |
4790 | * ENOMEM - could not allocated memory. |
4791 | **/ | |
3772a991 | 4792 | static int |
da0436e9 | 4793 | lpfc_create_bootstrap_mbox(struct lpfc_hba *phba) |
3772a991 | 4794 | { |
da0436e9 JS |
4795 | uint32_t bmbx_size; |
4796 | struct lpfc_dmabuf *dmabuf; | |
4797 | struct dma_address *dma_address; | |
4798 | uint32_t pa_addr; | |
4799 | uint64_t phys_addr; | |
4800 | ||
4801 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
4802 | if (!dmabuf) | |
4803 | return -ENOMEM; | |
3772a991 | 4804 | |
da0436e9 JS |
4805 | /* |
4806 | * The bootstrap mailbox region is comprised of 2 parts | |
4807 | * plus an alignment restriction of 16 bytes. | |
4808 | */ | |
4809 | bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1); | |
4810 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
4811 | bmbx_size, | |
4812 | &dmabuf->phys, | |
4813 | GFP_KERNEL); | |
4814 | if (!dmabuf->virt) { | |
4815 | kfree(dmabuf); | |
4816 | return -ENOMEM; | |
3772a991 | 4817 | } |
da0436e9 | 4818 | memset(dmabuf->virt, 0, bmbx_size); |
3772a991 | 4819 | |
da0436e9 JS |
4820 | /* |
4821 | * Initialize the bootstrap mailbox pointers now so that the register | |
4822 | * operations are simple later. The mailbox dma address is required | |
4823 | * to be 16-byte aligned. Also align the virtual memory as each | |
4824 | * maibox is copied into the bmbx mailbox region before issuing the | |
4825 | * command to the port. | |
4826 | */ | |
4827 | phba->sli4_hba.bmbx.dmabuf = dmabuf; | |
4828 | phba->sli4_hba.bmbx.bmbx_size = bmbx_size; | |
4829 | ||
4830 | phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt, | |
4831 | LPFC_ALIGN_16_BYTE); | |
4832 | phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys, | |
4833 | LPFC_ALIGN_16_BYTE); | |
4834 | ||
4835 | /* | |
4836 | * Set the high and low physical addresses now. The SLI4 alignment | |
4837 | * requirement is 16 bytes and the mailbox is posted to the port | |
4838 | * as two 30-bit addresses. The other data is a bit marking whether | |
4839 | * the 30-bit address is the high or low address. | |
4840 | * Upcast bmbx aphys to 64bits so shift instruction compiles | |
4841 | * clean on 32 bit machines. | |
4842 | */ | |
4843 | dma_address = &phba->sli4_hba.bmbx.dma_address; | |
4844 | phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys; | |
4845 | pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff); | |
4846 | dma_address->addr_hi = (uint32_t) ((pa_addr << 2) | | |
4847 | LPFC_BMBX_BIT1_ADDR_HI); | |
4848 | ||
4849 | pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff); | |
4850 | dma_address->addr_lo = (uint32_t) ((pa_addr << 2) | | |
4851 | LPFC_BMBX_BIT1_ADDR_LO); | |
4852 | return 0; | |
3772a991 JS |
4853 | } |
4854 | ||
4855 | /** | |
da0436e9 | 4856 | * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources |
3772a991 JS |
4857 | * @phba: pointer to lpfc hba data structure. |
4858 | * | |
da0436e9 JS |
4859 | * This routine is invoked to teardown the bootstrap mailbox |
4860 | * region and release all host resources. This routine requires | |
4861 | * the caller to ensure all mailbox commands recovered, no | |
4862 | * additional mailbox comands are sent, and interrupts are disabled | |
4863 | * before calling this routine. | |
4864 | * | |
4865 | **/ | |
3772a991 | 4866 | static void |
da0436e9 | 4867 | lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba) |
3772a991 | 4868 | { |
da0436e9 JS |
4869 | dma_free_coherent(&phba->pcidev->dev, |
4870 | phba->sli4_hba.bmbx.bmbx_size, | |
4871 | phba->sli4_hba.bmbx.dmabuf->virt, | |
4872 | phba->sli4_hba.bmbx.dmabuf->phys); | |
4873 | ||
4874 | kfree(phba->sli4_hba.bmbx.dmabuf); | |
4875 | memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx)); | |
3772a991 JS |
4876 | } |
4877 | ||
4878 | /** | |
da0436e9 | 4879 | * lpfc_sli4_read_config - Get the config parameters. |
3772a991 JS |
4880 | * @phba: pointer to lpfc hba data structure. |
4881 | * | |
da0436e9 JS |
4882 | * This routine is invoked to read the configuration parameters from the HBA. |
4883 | * The configuration parameters are used to set the base and maximum values | |
4884 | * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource | |
4885 | * allocation for the port. | |
3772a991 JS |
4886 | * |
4887 | * Return codes | |
af901ca1 | 4888 | * 0 - successful |
da0436e9 JS |
4889 | * ENOMEM - No availble memory |
4890 | * EIO - The mailbox failed to complete successfully. | |
3772a991 | 4891 | **/ |
da0436e9 JS |
4892 | static int |
4893 | lpfc_sli4_read_config(struct lpfc_hba *phba) | |
3772a991 | 4894 | { |
da0436e9 JS |
4895 | LPFC_MBOXQ_t *pmb; |
4896 | struct lpfc_mbx_read_config *rd_config; | |
4897 | uint32_t rc = 0; | |
3772a991 | 4898 | |
da0436e9 JS |
4899 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4900 | if (!pmb) { | |
4901 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4902 | "2011 Unable to allocate memory for issuing " | |
4903 | "SLI_CONFIG_SPECIAL mailbox command\n"); | |
4904 | return -ENOMEM; | |
3772a991 JS |
4905 | } |
4906 | ||
da0436e9 | 4907 | lpfc_read_config(phba, pmb); |
3772a991 | 4908 | |
da0436e9 JS |
4909 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
4910 | if (rc != MBX_SUCCESS) { | |
4911 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4912 | "2012 Mailbox failed , mbxCmd x%x " | |
4913 | "READ_CONFIG, mbxStatus x%x\n", | |
4914 | bf_get(lpfc_mqe_command, &pmb->u.mqe), | |
4915 | bf_get(lpfc_mqe_status, &pmb->u.mqe)); | |
4916 | rc = -EIO; | |
4917 | } else { | |
4918 | rd_config = &pmb->u.mqe.un.rd_config; | |
4919 | phba->sli4_hba.max_cfg_param.max_xri = | |
4920 | bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); | |
4921 | phba->sli4_hba.max_cfg_param.xri_base = | |
4922 | bf_get(lpfc_mbx_rd_conf_xri_base, rd_config); | |
4923 | phba->sli4_hba.max_cfg_param.max_vpi = | |
4924 | bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config); | |
4925 | phba->sli4_hba.max_cfg_param.vpi_base = | |
4926 | bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config); | |
4927 | phba->sli4_hba.max_cfg_param.max_rpi = | |
4928 | bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); | |
4929 | phba->sli4_hba.max_cfg_param.rpi_base = | |
4930 | bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config); | |
4931 | phba->sli4_hba.max_cfg_param.max_vfi = | |
4932 | bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config); | |
4933 | phba->sli4_hba.max_cfg_param.vfi_base = | |
4934 | bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config); | |
4935 | phba->sli4_hba.max_cfg_param.max_fcfi = | |
4936 | bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config); | |
4937 | phba->sli4_hba.max_cfg_param.fcfi_base = | |
4938 | bf_get(lpfc_mbx_rd_conf_fcfi_base, rd_config); | |
4939 | phba->sli4_hba.max_cfg_param.max_eq = | |
4940 | bf_get(lpfc_mbx_rd_conf_eq_count, rd_config); | |
4941 | phba->sli4_hba.max_cfg_param.max_rq = | |
4942 | bf_get(lpfc_mbx_rd_conf_rq_count, rd_config); | |
4943 | phba->sli4_hba.max_cfg_param.max_wq = | |
4944 | bf_get(lpfc_mbx_rd_conf_wq_count, rd_config); | |
4945 | phba->sli4_hba.max_cfg_param.max_cq = | |
4946 | bf_get(lpfc_mbx_rd_conf_cq_count, rd_config); | |
4947 | phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config); | |
4948 | phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base; | |
4949 | phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base; | |
4950 | phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base; | |
4951 | phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.rpi_base; | |
5ffc266e JS |
4952 | phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ? |
4953 | (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0; | |
da0436e9 JS |
4954 | phba->max_vports = phba->max_vpi; |
4955 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
4956 | "2003 cfg params XRI(B:%d M:%d), " | |
4957 | "VPI(B:%d M:%d) " | |
4958 | "VFI(B:%d M:%d) " | |
4959 | "RPI(B:%d M:%d) " | |
4960 | "FCFI(B:%d M:%d)\n", | |
4961 | phba->sli4_hba.max_cfg_param.xri_base, | |
4962 | phba->sli4_hba.max_cfg_param.max_xri, | |
4963 | phba->sli4_hba.max_cfg_param.vpi_base, | |
4964 | phba->sli4_hba.max_cfg_param.max_vpi, | |
4965 | phba->sli4_hba.max_cfg_param.vfi_base, | |
4966 | phba->sli4_hba.max_cfg_param.max_vfi, | |
4967 | phba->sli4_hba.max_cfg_param.rpi_base, | |
4968 | phba->sli4_hba.max_cfg_param.max_rpi, | |
4969 | phba->sli4_hba.max_cfg_param.fcfi_base, | |
4970 | phba->sli4_hba.max_cfg_param.max_fcfi); | |
3772a991 | 4971 | } |
da0436e9 JS |
4972 | mempool_free(pmb, phba->mbox_mem_pool); |
4973 | ||
4974 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ | |
4975 | if (phba->cfg_hba_queue_depth > (phba->sli4_hba.max_cfg_param.max_xri)) | |
4976 | phba->cfg_hba_queue_depth = | |
4977 | phba->sli4_hba.max_cfg_param.max_xri; | |
4978 | return rc; | |
3772a991 JS |
4979 | } |
4980 | ||
4981 | /** | |
da0436e9 | 4982 | * lpfc_dev_endian_order_setup - Notify the port of the host's endian order. |
3772a991 JS |
4983 | * @phba: pointer to lpfc hba data structure. |
4984 | * | |
da0436e9 JS |
4985 | * This routine is invoked to setup the host-side endian order to the |
4986 | * HBA consistent with the SLI-4 interface spec. | |
4987 | * | |
4988 | * Return codes | |
af901ca1 | 4989 | * 0 - successful |
da0436e9 JS |
4990 | * ENOMEM - No availble memory |
4991 | * EIO - The mailbox failed to complete successfully. | |
3772a991 | 4992 | **/ |
da0436e9 JS |
4993 | static int |
4994 | lpfc_setup_endian_order(struct lpfc_hba *phba) | |
3772a991 | 4995 | { |
da0436e9 JS |
4996 | LPFC_MBOXQ_t *mboxq; |
4997 | uint32_t rc = 0; | |
4998 | uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0, | |
4999 | HOST_ENDIAN_HIGH_WORD1}; | |
3772a991 | 5000 | |
da0436e9 JS |
5001 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
5002 | if (!mboxq) { | |
5003 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5004 | "0492 Unable to allocate memory for issuing " | |
5005 | "SLI_CONFIG_SPECIAL mailbox command\n"); | |
5006 | return -ENOMEM; | |
5007 | } | |
3772a991 | 5008 | |
da0436e9 JS |
5009 | /* |
5010 | * The SLI4_CONFIG_SPECIAL mailbox command requires the first two | |
5011 | * words to contain special data values and no other data. | |
5012 | */ | |
5013 | memset(mboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
5014 | memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data)); | |
5015 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5016 | if (rc != MBX_SUCCESS) { | |
5017 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5018 | "0493 SLI_CONFIG_SPECIAL mailbox failed with " | |
5019 | "status x%x\n", | |
5020 | rc); | |
5021 | rc = -EIO; | |
5022 | } | |
5023 | ||
5024 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5025 | return rc; | |
3772a991 JS |
5026 | } |
5027 | ||
5028 | /** | |
da0436e9 | 5029 | * lpfc_sli4_queue_create - Create all the SLI4 queues |
3772a991 JS |
5030 | * @phba: pointer to lpfc hba data structure. |
5031 | * | |
da0436e9 JS |
5032 | * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA |
5033 | * operation. For each SLI4 queue type, the parameters such as queue entry | |
5034 | * count (queue depth) shall be taken from the module parameter. For now, | |
5035 | * we just use some constant number as place holder. | |
5036 | * | |
5037 | * Return codes | |
af901ca1 | 5038 | * 0 - successful |
da0436e9 JS |
5039 | * ENOMEM - No availble memory |
5040 | * EIO - The mailbox failed to complete successfully. | |
3772a991 | 5041 | **/ |
da0436e9 JS |
5042 | static int |
5043 | lpfc_sli4_queue_create(struct lpfc_hba *phba) | |
3772a991 | 5044 | { |
da0436e9 JS |
5045 | struct lpfc_queue *qdesc; |
5046 | int fcp_eqidx, fcp_cqidx, fcp_wqidx; | |
5047 | int cfg_fcp_wq_count; | |
5048 | int cfg_fcp_eq_count; | |
3772a991 | 5049 | |
da0436e9 JS |
5050 | /* |
5051 | * Sanity check for confiugred queue parameters against the run-time | |
5052 | * device parameters | |
5053 | */ | |
3772a991 | 5054 | |
da0436e9 JS |
5055 | /* Sanity check on FCP fast-path WQ parameters */ |
5056 | cfg_fcp_wq_count = phba->cfg_fcp_wq_count; | |
5057 | if (cfg_fcp_wq_count > | |
5058 | (phba->sli4_hba.max_cfg_param.max_wq - LPFC_SP_WQN_DEF)) { | |
5059 | cfg_fcp_wq_count = phba->sli4_hba.max_cfg_param.max_wq - | |
5060 | LPFC_SP_WQN_DEF; | |
5061 | if (cfg_fcp_wq_count < LPFC_FP_WQN_MIN) { | |
5062 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5063 | "2581 Not enough WQs (%d) from " | |
5064 | "the pci function for supporting " | |
5065 | "FCP WQs (%d)\n", | |
5066 | phba->sli4_hba.max_cfg_param.max_wq, | |
5067 | phba->cfg_fcp_wq_count); | |
5068 | goto out_error; | |
5069 | } | |
5070 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5071 | "2582 Not enough WQs (%d) from the pci " | |
5072 | "function for supporting the requested " | |
5073 | "FCP WQs (%d), the actual FCP WQs can " | |
5074 | "be supported: %d\n", | |
5075 | phba->sli4_hba.max_cfg_param.max_wq, | |
5076 | phba->cfg_fcp_wq_count, cfg_fcp_wq_count); | |
5077 | } | |
5078 | /* The actual number of FCP work queues adopted */ | |
5079 | phba->cfg_fcp_wq_count = cfg_fcp_wq_count; | |
5080 | ||
5081 | /* Sanity check on FCP fast-path EQ parameters */ | |
5082 | cfg_fcp_eq_count = phba->cfg_fcp_eq_count; | |
5083 | if (cfg_fcp_eq_count > | |
5084 | (phba->sli4_hba.max_cfg_param.max_eq - LPFC_SP_EQN_DEF)) { | |
5085 | cfg_fcp_eq_count = phba->sli4_hba.max_cfg_param.max_eq - | |
5086 | LPFC_SP_EQN_DEF; | |
5087 | if (cfg_fcp_eq_count < LPFC_FP_EQN_MIN) { | |
5088 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5089 | "2574 Not enough EQs (%d) from the " | |
5090 | "pci function for supporting FCP " | |
5091 | "EQs (%d)\n", | |
5092 | phba->sli4_hba.max_cfg_param.max_eq, | |
5093 | phba->cfg_fcp_eq_count); | |
5094 | goto out_error; | |
5095 | } | |
5096 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5097 | "2575 Not enough EQs (%d) from the pci " | |
5098 | "function for supporting the requested " | |
5099 | "FCP EQs (%d), the actual FCP EQs can " | |
5100 | "be supported: %d\n", | |
5101 | phba->sli4_hba.max_cfg_param.max_eq, | |
5102 | phba->cfg_fcp_eq_count, cfg_fcp_eq_count); | |
5103 | } | |
5104 | /* It does not make sense to have more EQs than WQs */ | |
5105 | if (cfg_fcp_eq_count > phba->cfg_fcp_wq_count) { | |
5106 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6a9c52cf JS |
5107 | "2593 The FCP EQ count(%d) cannot be greater " |
5108 | "than the FCP WQ count(%d), limiting the " | |
5109 | "FCP EQ count to %d\n", cfg_fcp_eq_count, | |
da0436e9 JS |
5110 | phba->cfg_fcp_wq_count, |
5111 | phba->cfg_fcp_wq_count); | |
5112 | cfg_fcp_eq_count = phba->cfg_fcp_wq_count; | |
5113 | } | |
5114 | /* The actual number of FCP event queues adopted */ | |
5115 | phba->cfg_fcp_eq_count = cfg_fcp_eq_count; | |
5116 | /* The overall number of event queues used */ | |
5117 | phba->sli4_hba.cfg_eqn = phba->cfg_fcp_eq_count + LPFC_SP_EQN_DEF; | |
3772a991 | 5118 | |
da0436e9 JS |
5119 | /* |
5120 | * Create Event Queues (EQs) | |
5121 | */ | |
3772a991 | 5122 | |
da0436e9 JS |
5123 | /* Get EQ depth from module parameter, fake the default for now */ |
5124 | phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B; | |
5125 | phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT; | |
3772a991 | 5126 | |
da0436e9 JS |
5127 | /* Create slow path event queue */ |
5128 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize, | |
5129 | phba->sli4_hba.eq_ecount); | |
5130 | if (!qdesc) { | |
5131 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5132 | "0496 Failed allocate slow-path EQ\n"); | |
5133 | goto out_error; | |
5134 | } | |
5135 | phba->sli4_hba.sp_eq = qdesc; | |
5136 | ||
5137 | /* Create fast-path FCP Event Queue(s) */ | |
5138 | phba->sli4_hba.fp_eq = kzalloc((sizeof(struct lpfc_queue *) * | |
5139 | phba->cfg_fcp_eq_count), GFP_KERNEL); | |
5140 | if (!phba->sli4_hba.fp_eq) { | |
5141 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5142 | "2576 Failed allocate memory for fast-path " | |
5143 | "EQ record array\n"); | |
5144 | goto out_free_sp_eq; | |
5145 | } | |
5146 | for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; fcp_eqidx++) { | |
5147 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize, | |
5148 | phba->sli4_hba.eq_ecount); | |
5149 | if (!qdesc) { | |
5150 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5151 | "0497 Failed allocate fast-path EQ\n"); | |
5152 | goto out_free_fp_eq; | |
5153 | } | |
5154 | phba->sli4_hba.fp_eq[fcp_eqidx] = qdesc; | |
5155 | } | |
5156 | ||
5157 | /* | |
5158 | * Create Complete Queues (CQs) | |
5159 | */ | |
5160 | ||
5161 | /* Get CQ depth from module parameter, fake the default for now */ | |
5162 | phba->sli4_hba.cq_esize = LPFC_CQE_SIZE; | |
5163 | phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT; | |
5164 | ||
5165 | /* Create slow-path Mailbox Command Complete Queue */ | |
5166 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
5167 | phba->sli4_hba.cq_ecount); | |
5168 | if (!qdesc) { | |
5169 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5170 | "0500 Failed allocate slow-path mailbox CQ\n"); | |
5171 | goto out_free_fp_eq; | |
5172 | } | |
5173 | phba->sli4_hba.mbx_cq = qdesc; | |
5174 | ||
5175 | /* Create slow-path ELS Complete Queue */ | |
5176 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
5177 | phba->sli4_hba.cq_ecount); | |
5178 | if (!qdesc) { | |
5179 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5180 | "0501 Failed allocate slow-path ELS CQ\n"); | |
5181 | goto out_free_mbx_cq; | |
5182 | } | |
5183 | phba->sli4_hba.els_cq = qdesc; | |
5184 | ||
da0436e9 JS |
5185 | |
5186 | /* Create fast-path FCP Completion Queue(s), one-to-one with EQs */ | |
5187 | phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) * | |
5188 | phba->cfg_fcp_eq_count), GFP_KERNEL); | |
5189 | if (!phba->sli4_hba.fcp_cq) { | |
5190 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5191 | "2577 Failed allocate memory for fast-path " | |
5192 | "CQ record array\n"); | |
4d9ab994 | 5193 | goto out_free_els_cq; |
da0436e9 JS |
5194 | } |
5195 | for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_eq_count; fcp_cqidx++) { | |
5196 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize, | |
5197 | phba->sli4_hba.cq_ecount); | |
5198 | if (!qdesc) { | |
5199 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5200 | "0499 Failed allocate fast-path FCP " | |
5201 | "CQ (%d)\n", fcp_cqidx); | |
5202 | goto out_free_fcp_cq; | |
5203 | } | |
5204 | phba->sli4_hba.fcp_cq[fcp_cqidx] = qdesc; | |
5205 | } | |
5206 | ||
5207 | /* Create Mailbox Command Queue */ | |
5208 | phba->sli4_hba.mq_esize = LPFC_MQE_SIZE; | |
5209 | phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT; | |
5210 | ||
5211 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize, | |
5212 | phba->sli4_hba.mq_ecount); | |
5213 | if (!qdesc) { | |
5214 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5215 | "0505 Failed allocate slow-path MQ\n"); | |
5216 | goto out_free_fcp_cq; | |
5217 | } | |
5218 | phba->sli4_hba.mbx_wq = qdesc; | |
5219 | ||
5220 | /* | |
5221 | * Create all the Work Queues (WQs) | |
5222 | */ | |
5223 | phba->sli4_hba.wq_esize = LPFC_WQE_SIZE; | |
5224 | phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT; | |
5225 | ||
5226 | /* Create slow-path ELS Work Queue */ | |
5227 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, | |
5228 | phba->sli4_hba.wq_ecount); | |
5229 | if (!qdesc) { | |
5230 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5231 | "0504 Failed allocate slow-path ELS WQ\n"); | |
5232 | goto out_free_mbx_wq; | |
5233 | } | |
5234 | phba->sli4_hba.els_wq = qdesc; | |
5235 | ||
5236 | /* Create fast-path FCP Work Queue(s) */ | |
5237 | phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) * | |
5238 | phba->cfg_fcp_wq_count), GFP_KERNEL); | |
5239 | if (!phba->sli4_hba.fcp_wq) { | |
5240 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5241 | "2578 Failed allocate memory for fast-path " | |
5242 | "WQ record array\n"); | |
5243 | goto out_free_els_wq; | |
5244 | } | |
5245 | for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_wq_count; fcp_wqidx++) { | |
5246 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize, | |
5247 | phba->sli4_hba.wq_ecount); | |
5248 | if (!qdesc) { | |
5249 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5250 | "0503 Failed allocate fast-path FCP " | |
5251 | "WQ (%d)\n", fcp_wqidx); | |
5252 | goto out_free_fcp_wq; | |
5253 | } | |
5254 | phba->sli4_hba.fcp_wq[fcp_wqidx] = qdesc; | |
5255 | } | |
5256 | ||
5257 | /* | |
5258 | * Create Receive Queue (RQ) | |
5259 | */ | |
5260 | phba->sli4_hba.rq_esize = LPFC_RQE_SIZE; | |
5261 | phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT; | |
5262 | ||
5263 | /* Create Receive Queue for header */ | |
5264 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, | |
5265 | phba->sli4_hba.rq_ecount); | |
5266 | if (!qdesc) { | |
5267 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5268 | "0506 Failed allocate receive HRQ\n"); | |
5269 | goto out_free_fcp_wq; | |
5270 | } | |
5271 | phba->sli4_hba.hdr_rq = qdesc; | |
5272 | ||
5273 | /* Create Receive Queue for data */ | |
5274 | qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, | |
5275 | phba->sli4_hba.rq_ecount); | |
5276 | if (!qdesc) { | |
5277 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5278 | "0507 Failed allocate receive DRQ\n"); | |
5279 | goto out_free_hdr_rq; | |
5280 | } | |
5281 | phba->sli4_hba.dat_rq = qdesc; | |
5282 | ||
5283 | return 0; | |
5284 | ||
5285 | out_free_hdr_rq: | |
5286 | lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq); | |
5287 | phba->sli4_hba.hdr_rq = NULL; | |
5288 | out_free_fcp_wq: | |
5289 | for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--) { | |
5290 | lpfc_sli4_queue_free(phba->sli4_hba.fcp_wq[fcp_wqidx]); | |
5291 | phba->sli4_hba.fcp_wq[fcp_wqidx] = NULL; | |
5292 | } | |
5293 | kfree(phba->sli4_hba.fcp_wq); | |
5294 | out_free_els_wq: | |
5295 | lpfc_sli4_queue_free(phba->sli4_hba.els_wq); | |
5296 | phba->sli4_hba.els_wq = NULL; | |
5297 | out_free_mbx_wq: | |
5298 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq); | |
5299 | phba->sli4_hba.mbx_wq = NULL; | |
5300 | out_free_fcp_cq: | |
5301 | for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--) { | |
5302 | lpfc_sli4_queue_free(phba->sli4_hba.fcp_cq[fcp_cqidx]); | |
5303 | phba->sli4_hba.fcp_cq[fcp_cqidx] = NULL; | |
5304 | } | |
5305 | kfree(phba->sli4_hba.fcp_cq); | |
da0436e9 JS |
5306 | out_free_els_cq: |
5307 | lpfc_sli4_queue_free(phba->sli4_hba.els_cq); | |
5308 | phba->sli4_hba.els_cq = NULL; | |
5309 | out_free_mbx_cq: | |
5310 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq); | |
5311 | phba->sli4_hba.mbx_cq = NULL; | |
5312 | out_free_fp_eq: | |
5313 | for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--) { | |
5314 | lpfc_sli4_queue_free(phba->sli4_hba.fp_eq[fcp_eqidx]); | |
5315 | phba->sli4_hba.fp_eq[fcp_eqidx] = NULL; | |
5316 | } | |
5317 | kfree(phba->sli4_hba.fp_eq); | |
5318 | out_free_sp_eq: | |
5319 | lpfc_sli4_queue_free(phba->sli4_hba.sp_eq); | |
5320 | phba->sli4_hba.sp_eq = NULL; | |
5321 | out_error: | |
5322 | return -ENOMEM; | |
5323 | } | |
5324 | ||
5325 | /** | |
5326 | * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues | |
5327 | * @phba: pointer to lpfc hba data structure. | |
5328 | * | |
5329 | * This routine is invoked to release all the SLI4 queues with the FCoE HBA | |
5330 | * operation. | |
5331 | * | |
5332 | * Return codes | |
af901ca1 | 5333 | * 0 - successful |
da0436e9 JS |
5334 | * ENOMEM - No availble memory |
5335 | * EIO - The mailbox failed to complete successfully. | |
5336 | **/ | |
5337 | static void | |
5338 | lpfc_sli4_queue_destroy(struct lpfc_hba *phba) | |
5339 | { | |
5340 | int fcp_qidx; | |
5341 | ||
5342 | /* Release mailbox command work queue */ | |
5343 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq); | |
5344 | phba->sli4_hba.mbx_wq = NULL; | |
5345 | ||
5346 | /* Release ELS work queue */ | |
5347 | lpfc_sli4_queue_free(phba->sli4_hba.els_wq); | |
5348 | phba->sli4_hba.els_wq = NULL; | |
5349 | ||
5350 | /* Release FCP work queue */ | |
5351 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_wq_count; fcp_qidx++) | |
5352 | lpfc_sli4_queue_free(phba->sli4_hba.fcp_wq[fcp_qidx]); | |
5353 | kfree(phba->sli4_hba.fcp_wq); | |
5354 | phba->sli4_hba.fcp_wq = NULL; | |
5355 | ||
5356 | /* Release unsolicited receive queue */ | |
5357 | lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq); | |
5358 | phba->sli4_hba.hdr_rq = NULL; | |
5359 | lpfc_sli4_queue_free(phba->sli4_hba.dat_rq); | |
5360 | phba->sli4_hba.dat_rq = NULL; | |
5361 | ||
da0436e9 JS |
5362 | /* Release ELS complete queue */ |
5363 | lpfc_sli4_queue_free(phba->sli4_hba.els_cq); | |
5364 | phba->sli4_hba.els_cq = NULL; | |
5365 | ||
5366 | /* Release mailbox command complete queue */ | |
5367 | lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq); | |
5368 | phba->sli4_hba.mbx_cq = NULL; | |
5369 | ||
5370 | /* Release FCP response complete queue */ | |
5371 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++) | |
5372 | lpfc_sli4_queue_free(phba->sli4_hba.fcp_cq[fcp_qidx]); | |
5373 | kfree(phba->sli4_hba.fcp_cq); | |
5374 | phba->sli4_hba.fcp_cq = NULL; | |
5375 | ||
5376 | /* Release fast-path event queue */ | |
5377 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++) | |
5378 | lpfc_sli4_queue_free(phba->sli4_hba.fp_eq[fcp_qidx]); | |
5379 | kfree(phba->sli4_hba.fp_eq); | |
5380 | phba->sli4_hba.fp_eq = NULL; | |
5381 | ||
5382 | /* Release slow-path event queue */ | |
5383 | lpfc_sli4_queue_free(phba->sli4_hba.sp_eq); | |
5384 | phba->sli4_hba.sp_eq = NULL; | |
5385 | ||
5386 | return; | |
5387 | } | |
5388 | ||
5389 | /** | |
5390 | * lpfc_sli4_queue_setup - Set up all the SLI4 queues | |
5391 | * @phba: pointer to lpfc hba data structure. | |
5392 | * | |
5393 | * This routine is invoked to set up all the SLI4 queues for the FCoE HBA | |
5394 | * operation. | |
5395 | * | |
5396 | * Return codes | |
af901ca1 | 5397 | * 0 - successful |
da0436e9 JS |
5398 | * ENOMEM - No availble memory |
5399 | * EIO - The mailbox failed to complete successfully. | |
5400 | **/ | |
5401 | int | |
5402 | lpfc_sli4_queue_setup(struct lpfc_hba *phba) | |
5403 | { | |
5404 | int rc = -ENOMEM; | |
5405 | int fcp_eqidx, fcp_cqidx, fcp_wqidx; | |
5406 | int fcp_cq_index = 0; | |
5407 | ||
5408 | /* | |
5409 | * Set up Event Queues (EQs) | |
5410 | */ | |
5411 | ||
5412 | /* Set up slow-path event queue */ | |
5413 | if (!phba->sli4_hba.sp_eq) { | |
5414 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5415 | "0520 Slow-path EQ not allocated\n"); | |
5416 | goto out_error; | |
5417 | } | |
5418 | rc = lpfc_eq_create(phba, phba->sli4_hba.sp_eq, | |
5419 | LPFC_SP_DEF_IMAX); | |
5420 | if (rc) { | |
5421 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5422 | "0521 Failed setup of slow-path EQ: " | |
5423 | "rc = 0x%x\n", rc); | |
5424 | goto out_error; | |
5425 | } | |
5426 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5427 | "2583 Slow-path EQ setup: queue-id=%d\n", | |
5428 | phba->sli4_hba.sp_eq->queue_id); | |
5429 | ||
5430 | /* Set up fast-path event queue */ | |
5431 | for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; fcp_eqidx++) { | |
5432 | if (!phba->sli4_hba.fp_eq[fcp_eqidx]) { | |
5433 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5434 | "0522 Fast-path EQ (%d) not " | |
5435 | "allocated\n", fcp_eqidx); | |
5436 | goto out_destroy_fp_eq; | |
5437 | } | |
5438 | rc = lpfc_eq_create(phba, phba->sli4_hba.fp_eq[fcp_eqidx], | |
5439 | phba->cfg_fcp_imax); | |
5440 | if (rc) { | |
5441 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5442 | "0523 Failed setup of fast-path EQ " | |
5443 | "(%d), rc = 0x%x\n", fcp_eqidx, rc); | |
5444 | goto out_destroy_fp_eq; | |
5445 | } | |
5446 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5447 | "2584 Fast-path EQ setup: " | |
5448 | "queue[%d]-id=%d\n", fcp_eqidx, | |
5449 | phba->sli4_hba.fp_eq[fcp_eqidx]->queue_id); | |
5450 | } | |
5451 | ||
5452 | /* | |
5453 | * Set up Complete Queues (CQs) | |
5454 | */ | |
5455 | ||
5456 | /* Set up slow-path MBOX Complete Queue as the first CQ */ | |
5457 | if (!phba->sli4_hba.mbx_cq) { | |
5458 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5459 | "0528 Mailbox CQ not allocated\n"); | |
5460 | goto out_destroy_fp_eq; | |
5461 | } | |
5462 | rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq, phba->sli4_hba.sp_eq, | |
5463 | LPFC_MCQ, LPFC_MBOX); | |
5464 | if (rc) { | |
5465 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5466 | "0529 Failed setup of slow-path mailbox CQ: " | |
5467 | "rc = 0x%x\n", rc); | |
5468 | goto out_destroy_fp_eq; | |
5469 | } | |
5470 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5471 | "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n", | |
5472 | phba->sli4_hba.mbx_cq->queue_id, | |
5473 | phba->sli4_hba.sp_eq->queue_id); | |
5474 | ||
5475 | /* Set up slow-path ELS Complete Queue */ | |
5476 | if (!phba->sli4_hba.els_cq) { | |
5477 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5478 | "0530 ELS CQ not allocated\n"); | |
5479 | goto out_destroy_mbx_cq; | |
5480 | } | |
5481 | rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq, phba->sli4_hba.sp_eq, | |
5482 | LPFC_WCQ, LPFC_ELS); | |
5483 | if (rc) { | |
5484 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5485 | "0531 Failed setup of slow-path ELS CQ: " | |
5486 | "rc = 0x%x\n", rc); | |
5487 | goto out_destroy_mbx_cq; | |
5488 | } | |
5489 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5490 | "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n", | |
5491 | phba->sli4_hba.els_cq->queue_id, | |
5492 | phba->sli4_hba.sp_eq->queue_id); | |
5493 | ||
da0436e9 JS |
5494 | /* Set up fast-path FCP Response Complete Queue */ |
5495 | for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_eq_count; fcp_cqidx++) { | |
5496 | if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) { | |
5497 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5498 | "0526 Fast-path FCP CQ (%d) not " | |
5499 | "allocated\n", fcp_cqidx); | |
5500 | goto out_destroy_fcp_cq; | |
5501 | } | |
5502 | rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx], | |
5503 | phba->sli4_hba.fp_eq[fcp_cqidx], | |
5504 | LPFC_WCQ, LPFC_FCP); | |
5505 | if (rc) { | |
5506 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5507 | "0527 Failed setup of fast-path FCP " | |
5508 | "CQ (%d), rc = 0x%x\n", fcp_cqidx, rc); | |
5509 | goto out_destroy_fcp_cq; | |
5510 | } | |
5511 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5512 | "2588 FCP CQ setup: cq[%d]-id=%d, " | |
5513 | "parent eq[%d]-id=%d\n", | |
5514 | fcp_cqidx, | |
5515 | phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id, | |
5516 | fcp_cqidx, | |
5517 | phba->sli4_hba.fp_eq[fcp_cqidx]->queue_id); | |
5518 | } | |
5519 | ||
5520 | /* | |
5521 | * Set up all the Work Queues (WQs) | |
5522 | */ | |
5523 | ||
5524 | /* Set up Mailbox Command Queue */ | |
5525 | if (!phba->sli4_hba.mbx_wq) { | |
5526 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5527 | "0538 Slow-path MQ not allocated\n"); | |
5528 | goto out_destroy_fcp_cq; | |
5529 | } | |
5530 | rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq, | |
5531 | phba->sli4_hba.mbx_cq, LPFC_MBOX); | |
5532 | if (rc) { | |
5533 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5534 | "0539 Failed setup of slow-path MQ: " | |
5535 | "rc = 0x%x\n", rc); | |
5536 | goto out_destroy_fcp_cq; | |
5537 | } | |
5538 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5539 | "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n", | |
5540 | phba->sli4_hba.mbx_wq->queue_id, | |
5541 | phba->sli4_hba.mbx_cq->queue_id); | |
5542 | ||
5543 | /* Set up slow-path ELS Work Queue */ | |
5544 | if (!phba->sli4_hba.els_wq) { | |
5545 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5546 | "0536 Slow-path ELS WQ not allocated\n"); | |
5547 | goto out_destroy_mbx_wq; | |
5548 | } | |
5549 | rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq, | |
5550 | phba->sli4_hba.els_cq, LPFC_ELS); | |
5551 | if (rc) { | |
5552 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5553 | "0537 Failed setup of slow-path ELS WQ: " | |
5554 | "rc = 0x%x\n", rc); | |
5555 | goto out_destroy_mbx_wq; | |
5556 | } | |
5557 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5558 | "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n", | |
5559 | phba->sli4_hba.els_wq->queue_id, | |
5560 | phba->sli4_hba.els_cq->queue_id); | |
5561 | ||
5562 | /* Set up fast-path FCP Work Queue */ | |
5563 | for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_wq_count; fcp_wqidx++) { | |
5564 | if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) { | |
5565 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5566 | "0534 Fast-path FCP WQ (%d) not " | |
5567 | "allocated\n", fcp_wqidx); | |
5568 | goto out_destroy_fcp_wq; | |
5569 | } | |
5570 | rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx], | |
5571 | phba->sli4_hba.fcp_cq[fcp_cq_index], | |
5572 | LPFC_FCP); | |
5573 | if (rc) { | |
5574 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5575 | "0535 Failed setup of fast-path FCP " | |
5576 | "WQ (%d), rc = 0x%x\n", fcp_wqidx, rc); | |
5577 | goto out_destroy_fcp_wq; | |
5578 | } | |
5579 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5580 | "2591 FCP WQ setup: wq[%d]-id=%d, " | |
5581 | "parent cq[%d]-id=%d\n", | |
5582 | fcp_wqidx, | |
5583 | phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id, | |
5584 | fcp_cq_index, | |
5585 | phba->sli4_hba.fcp_cq[fcp_cq_index]->queue_id); | |
5586 | /* Round robin FCP Work Queue's Completion Queue assignment */ | |
5587 | fcp_cq_index = ((fcp_cq_index + 1) % phba->cfg_fcp_eq_count); | |
5588 | } | |
5589 | ||
5590 | /* | |
5591 | * Create Receive Queue (RQ) | |
5592 | */ | |
5593 | if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) { | |
5594 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5595 | "0540 Receive Queue not allocated\n"); | |
5596 | goto out_destroy_fcp_wq; | |
5597 | } | |
5598 | rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq, | |
4d9ab994 | 5599 | phba->sli4_hba.els_cq, LPFC_USOL); |
da0436e9 JS |
5600 | if (rc) { |
5601 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5602 | "0541 Failed setup of Receive Queue: " | |
5603 | "rc = 0x%x\n", rc); | |
5604 | goto out_destroy_fcp_wq; | |
5605 | } | |
5606 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5607 | "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d " | |
5608 | "parent cq-id=%d\n", | |
5609 | phba->sli4_hba.hdr_rq->queue_id, | |
5610 | phba->sli4_hba.dat_rq->queue_id, | |
4d9ab994 | 5611 | phba->sli4_hba.els_cq->queue_id); |
da0436e9 JS |
5612 | return 0; |
5613 | ||
5614 | out_destroy_fcp_wq: | |
5615 | for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--) | |
5616 | lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]); | |
5617 | lpfc_wq_destroy(phba, phba->sli4_hba.els_wq); | |
5618 | out_destroy_mbx_wq: | |
5619 | lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq); | |
5620 | out_destroy_fcp_cq: | |
5621 | for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--) | |
5622 | lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]); | |
da0436e9 JS |
5623 | lpfc_cq_destroy(phba, phba->sli4_hba.els_cq); |
5624 | out_destroy_mbx_cq: | |
5625 | lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq); | |
5626 | out_destroy_fp_eq: | |
5627 | for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--) | |
5628 | lpfc_eq_destroy(phba, phba->sli4_hba.fp_eq[fcp_eqidx]); | |
5629 | lpfc_eq_destroy(phba, phba->sli4_hba.sp_eq); | |
5630 | out_error: | |
5631 | return rc; | |
5632 | } | |
5633 | ||
5634 | /** | |
5635 | * lpfc_sli4_queue_unset - Unset all the SLI4 queues | |
5636 | * @phba: pointer to lpfc hba data structure. | |
5637 | * | |
5638 | * This routine is invoked to unset all the SLI4 queues with the FCoE HBA | |
5639 | * operation. | |
5640 | * | |
5641 | * Return codes | |
af901ca1 | 5642 | * 0 - successful |
da0436e9 JS |
5643 | * ENOMEM - No availble memory |
5644 | * EIO - The mailbox failed to complete successfully. | |
5645 | **/ | |
5646 | void | |
5647 | lpfc_sli4_queue_unset(struct lpfc_hba *phba) | |
5648 | { | |
5649 | int fcp_qidx; | |
5650 | ||
5651 | /* Unset mailbox command work queue */ | |
5652 | lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq); | |
5653 | /* Unset ELS work queue */ | |
5654 | lpfc_wq_destroy(phba, phba->sli4_hba.els_wq); | |
5655 | /* Unset unsolicited receive queue */ | |
5656 | lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq); | |
5657 | /* Unset FCP work queue */ | |
5658 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_wq_count; fcp_qidx++) | |
5659 | lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]); | |
5660 | /* Unset mailbox command complete queue */ | |
5661 | lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq); | |
5662 | /* Unset ELS complete queue */ | |
5663 | lpfc_cq_destroy(phba, phba->sli4_hba.els_cq); | |
da0436e9 JS |
5664 | /* Unset FCP response complete queue */ |
5665 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++) | |
5666 | lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]); | |
5667 | /* Unset fast-path event queue */ | |
5668 | for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++) | |
5669 | lpfc_eq_destroy(phba, phba->sli4_hba.fp_eq[fcp_qidx]); | |
5670 | /* Unset slow-path event queue */ | |
5671 | lpfc_eq_destroy(phba, phba->sli4_hba.sp_eq); | |
5672 | } | |
5673 | ||
5674 | /** | |
5675 | * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool | |
5676 | * @phba: pointer to lpfc hba data structure. | |
5677 | * | |
5678 | * This routine is invoked to allocate and set up a pool of completion queue | |
5679 | * events. The body of the completion queue event is a completion queue entry | |
5680 | * CQE. For now, this pool is used for the interrupt service routine to queue | |
5681 | * the following HBA completion queue events for the worker thread to process: | |
5682 | * - Mailbox asynchronous events | |
5683 | * - Receive queue completion unsolicited events | |
5684 | * Later, this can be used for all the slow-path events. | |
5685 | * | |
5686 | * Return codes | |
af901ca1 | 5687 | * 0 - successful |
da0436e9 JS |
5688 | * -ENOMEM - No availble memory |
5689 | **/ | |
5690 | static int | |
5691 | lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba) | |
5692 | { | |
5693 | struct lpfc_cq_event *cq_event; | |
5694 | int i; | |
5695 | ||
5696 | for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) { | |
5697 | cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL); | |
5698 | if (!cq_event) | |
5699 | goto out_pool_create_fail; | |
5700 | list_add_tail(&cq_event->list, | |
5701 | &phba->sli4_hba.sp_cqe_event_pool); | |
5702 | } | |
5703 | return 0; | |
5704 | ||
5705 | out_pool_create_fail: | |
5706 | lpfc_sli4_cq_event_pool_destroy(phba); | |
5707 | return -ENOMEM; | |
5708 | } | |
5709 | ||
5710 | /** | |
5711 | * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool | |
5712 | * @phba: pointer to lpfc hba data structure. | |
5713 | * | |
5714 | * This routine is invoked to free the pool of completion queue events at | |
5715 | * driver unload time. Note that, it is the responsibility of the driver | |
5716 | * cleanup routine to free all the outstanding completion-queue events | |
5717 | * allocated from this pool back into the pool before invoking this routine | |
5718 | * to destroy the pool. | |
5719 | **/ | |
5720 | static void | |
5721 | lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba) | |
5722 | { | |
5723 | struct lpfc_cq_event *cq_event, *next_cq_event; | |
5724 | ||
5725 | list_for_each_entry_safe(cq_event, next_cq_event, | |
5726 | &phba->sli4_hba.sp_cqe_event_pool, list) { | |
5727 | list_del(&cq_event->list); | |
5728 | kfree(cq_event); | |
5729 | } | |
5730 | } | |
5731 | ||
5732 | /** | |
5733 | * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool | |
5734 | * @phba: pointer to lpfc hba data structure. | |
5735 | * | |
5736 | * This routine is the lock free version of the API invoked to allocate a | |
5737 | * completion-queue event from the free pool. | |
5738 | * | |
5739 | * Return: Pointer to the newly allocated completion-queue event if successful | |
5740 | * NULL otherwise. | |
5741 | **/ | |
5742 | struct lpfc_cq_event * | |
5743 | __lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba) | |
5744 | { | |
5745 | struct lpfc_cq_event *cq_event = NULL; | |
5746 | ||
5747 | list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event, | |
5748 | struct lpfc_cq_event, list); | |
5749 | return cq_event; | |
5750 | } | |
5751 | ||
5752 | /** | |
5753 | * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool | |
5754 | * @phba: pointer to lpfc hba data structure. | |
5755 | * | |
5756 | * This routine is the lock version of the API invoked to allocate a | |
5757 | * completion-queue event from the free pool. | |
5758 | * | |
5759 | * Return: Pointer to the newly allocated completion-queue event if successful | |
5760 | * NULL otherwise. | |
5761 | **/ | |
5762 | struct lpfc_cq_event * | |
5763 | lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba) | |
5764 | { | |
5765 | struct lpfc_cq_event *cq_event; | |
5766 | unsigned long iflags; | |
5767 | ||
5768 | spin_lock_irqsave(&phba->hbalock, iflags); | |
5769 | cq_event = __lpfc_sli4_cq_event_alloc(phba); | |
5770 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
5771 | return cq_event; | |
5772 | } | |
5773 | ||
5774 | /** | |
5775 | * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool | |
5776 | * @phba: pointer to lpfc hba data structure. | |
5777 | * @cq_event: pointer to the completion queue event to be freed. | |
5778 | * | |
5779 | * This routine is the lock free version of the API invoked to release a | |
5780 | * completion-queue event back into the free pool. | |
5781 | **/ | |
5782 | void | |
5783 | __lpfc_sli4_cq_event_release(struct lpfc_hba *phba, | |
5784 | struct lpfc_cq_event *cq_event) | |
5785 | { | |
5786 | list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool); | |
5787 | } | |
5788 | ||
5789 | /** | |
5790 | * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool | |
5791 | * @phba: pointer to lpfc hba data structure. | |
5792 | * @cq_event: pointer to the completion queue event to be freed. | |
5793 | * | |
5794 | * This routine is the lock version of the API invoked to release a | |
5795 | * completion-queue event back into the free pool. | |
5796 | **/ | |
5797 | void | |
5798 | lpfc_sli4_cq_event_release(struct lpfc_hba *phba, | |
5799 | struct lpfc_cq_event *cq_event) | |
5800 | { | |
5801 | unsigned long iflags; | |
5802 | spin_lock_irqsave(&phba->hbalock, iflags); | |
5803 | __lpfc_sli4_cq_event_release(phba, cq_event); | |
5804 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
5805 | } | |
5806 | ||
5807 | /** | |
5808 | * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool | |
5809 | * @phba: pointer to lpfc hba data structure. | |
5810 | * | |
5811 | * This routine is to free all the pending completion-queue events to the | |
5812 | * back into the free pool for device reset. | |
5813 | **/ | |
5814 | static void | |
5815 | lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba) | |
5816 | { | |
5817 | LIST_HEAD(cqelist); | |
5818 | struct lpfc_cq_event *cqe; | |
5819 | unsigned long iflags; | |
5820 | ||
5821 | /* Retrieve all the pending WCQEs from pending WCQE lists */ | |
5822 | spin_lock_irqsave(&phba->hbalock, iflags); | |
5823 | /* Pending FCP XRI abort events */ | |
5824 | list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue, | |
5825 | &cqelist); | |
5826 | /* Pending ELS XRI abort events */ | |
5827 | list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue, | |
5828 | &cqelist); | |
5829 | /* Pending asynnc events */ | |
5830 | list_splice_init(&phba->sli4_hba.sp_asynce_work_queue, | |
5831 | &cqelist); | |
5832 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
5833 | ||
5834 | while (!list_empty(&cqelist)) { | |
5835 | list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list); | |
5836 | lpfc_sli4_cq_event_release(phba, cqe); | |
5837 | } | |
5838 | } | |
5839 | ||
5840 | /** | |
5841 | * lpfc_pci_function_reset - Reset pci function. | |
5842 | * @phba: pointer to lpfc hba data structure. | |
5843 | * | |
5844 | * This routine is invoked to request a PCI function reset. It will destroys | |
5845 | * all resources assigned to the PCI function which originates this request. | |
5846 | * | |
5847 | * Return codes | |
af901ca1 | 5848 | * 0 - successful |
da0436e9 JS |
5849 | * ENOMEM - No availble memory |
5850 | * EIO - The mailbox failed to complete successfully. | |
5851 | **/ | |
5852 | int | |
5853 | lpfc_pci_function_reset(struct lpfc_hba *phba) | |
5854 | { | |
5855 | LPFC_MBOXQ_t *mboxq; | |
5856 | uint32_t rc = 0; | |
5857 | uint32_t shdr_status, shdr_add_status; | |
5858 | union lpfc_sli4_cfg_shdr *shdr; | |
5859 | ||
5860 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5861 | if (!mboxq) { | |
5862 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5863 | "0494 Unable to allocate memory for issuing " | |
5864 | "SLI_FUNCTION_RESET mailbox command\n"); | |
5865 | return -ENOMEM; | |
5866 | } | |
5867 | ||
5868 | /* Set up PCI function reset SLI4_CONFIG mailbox-ioctl command */ | |
5869 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5870 | LPFC_MBOX_OPCODE_FUNCTION_RESET, 0, | |
5871 | LPFC_SLI4_MBX_EMBED); | |
5872 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5873 | shdr = (union lpfc_sli4_cfg_shdr *) | |
5874 | &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; | |
5875 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
5876 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
5877 | if (rc != MBX_TIMEOUT) | |
5878 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5879 | if (shdr_status || shdr_add_status || rc) { | |
5880 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5881 | "0495 SLI_FUNCTION_RESET mailbox failed with " | |
5882 | "status x%x add_status x%x, mbx status x%x\n", | |
5883 | shdr_status, shdr_add_status, rc); | |
5884 | rc = -ENXIO; | |
5885 | } | |
5886 | return rc; | |
5887 | } | |
5888 | ||
5889 | /** | |
5890 | * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands | |
5891 | * @phba: pointer to lpfc hba data structure. | |
5892 | * @cnt: number of nop mailbox commands to send. | |
5893 | * | |
5894 | * This routine is invoked to send a number @cnt of NOP mailbox command and | |
5895 | * wait for each command to complete. | |
5896 | * | |
5897 | * Return: the number of NOP mailbox command completed. | |
5898 | **/ | |
5899 | static int | |
5900 | lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba *phba, uint32_t cnt) | |
5901 | { | |
5902 | LPFC_MBOXQ_t *mboxq; | |
5903 | int length, cmdsent; | |
5904 | uint32_t mbox_tmo; | |
5905 | uint32_t rc = 0; | |
5906 | uint32_t shdr_status, shdr_add_status; | |
5907 | union lpfc_sli4_cfg_shdr *shdr; | |
5908 | ||
5909 | if (cnt == 0) { | |
5910 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5911 | "2518 Requested to send 0 NOP mailbox cmd\n"); | |
5912 | return cnt; | |
5913 | } | |
5914 | ||
5915 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5916 | if (!mboxq) { | |
5917 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5918 | "2519 Unable to allocate memory for issuing " | |
5919 | "NOP mailbox command\n"); | |
5920 | return 0; | |
5921 | } | |
5922 | ||
5923 | /* Set up NOP SLI4_CONFIG mailbox-ioctl command */ | |
5924 | length = (sizeof(struct lpfc_mbx_nop) - | |
5925 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
5926 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5927 | LPFC_MBOX_OPCODE_NOP, length, LPFC_SLI4_MBX_EMBED); | |
5928 | ||
5929 | mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG); | |
5930 | for (cmdsent = 0; cmdsent < cnt; cmdsent++) { | |
5931 | if (!phba->sli4_hba.intr_enable) | |
5932 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5933 | else | |
5934 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); | |
5935 | if (rc == MBX_TIMEOUT) | |
5936 | break; | |
5937 | /* Check return status */ | |
5938 | shdr = (union lpfc_sli4_cfg_shdr *) | |
5939 | &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; | |
5940 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
5941 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
5942 | &shdr->response); | |
5943 | if (shdr_status || shdr_add_status || rc) { | |
5944 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5945 | "2520 NOP mailbox command failed " | |
5946 | "status x%x add_status x%x mbx " | |
5947 | "status x%x\n", shdr_status, | |
5948 | shdr_add_status, rc); | |
5949 | break; | |
5950 | } | |
5951 | } | |
5952 | ||
5953 | if (rc != MBX_TIMEOUT) | |
5954 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5955 | ||
5956 | return cmdsent; | |
5957 | } | |
5958 | ||
5959 | /** | |
5960 | * lpfc_sli4_fcfi_unreg - Unregister fcfi to device | |
5961 | * @phba: pointer to lpfc hba data structure. | |
5962 | * @fcfi: fcf index. | |
5963 | * | |
5964 | * This routine is invoked to unregister a FCFI from device. | |
5965 | **/ | |
5966 | void | |
5967 | lpfc_sli4_fcfi_unreg(struct lpfc_hba *phba, uint16_t fcfi) | |
5968 | { | |
5969 | LPFC_MBOXQ_t *mbox; | |
5970 | uint32_t mbox_tmo; | |
5971 | int rc; | |
5972 | unsigned long flags; | |
5973 | ||
5974 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5975 | ||
5976 | if (!mbox) | |
5977 | return; | |
5978 | ||
5979 | lpfc_unreg_fcfi(mbox, fcfi); | |
5980 | ||
5981 | if (!phba->sli4_hba.intr_enable) | |
5982 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
5983 | else { | |
5984 | mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG); | |
5985 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); | |
5986 | } | |
5987 | if (rc != MBX_TIMEOUT) | |
5988 | mempool_free(mbox, phba->mbox_mem_pool); | |
5989 | if (rc != MBX_SUCCESS) | |
5990 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
5991 | "2517 Unregister FCFI command failed " | |
5992 | "status %d, mbxStatus x%x\n", rc, | |
5993 | bf_get(lpfc_mqe_status, &mbox->u.mqe)); | |
5994 | else { | |
5995 | spin_lock_irqsave(&phba->hbalock, flags); | |
5996 | /* Mark the FCFI is no longer registered */ | |
5997 | phba->fcf.fcf_flag &= | |
5998 | ~(FCF_AVAILABLE | FCF_REGISTERED | FCF_DISCOVERED); | |
5999 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
6000 | } | |
6001 | } | |
6002 | ||
6003 | /** | |
6004 | * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space. | |
6005 | * @phba: pointer to lpfc hba data structure. | |
6006 | * | |
6007 | * This routine is invoked to set up the PCI device memory space for device | |
6008 | * with SLI-4 interface spec. | |
6009 | * | |
6010 | * Return codes | |
af901ca1 | 6011 | * 0 - successful |
da0436e9 JS |
6012 | * other values - error |
6013 | **/ | |
6014 | static int | |
6015 | lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) | |
6016 | { | |
6017 | struct pci_dev *pdev; | |
6018 | unsigned long bar0map_len, bar1map_len, bar2map_len; | |
6019 | int error = -ENODEV; | |
6020 | ||
6021 | /* Obtain PCI device reference */ | |
6022 | if (!phba->pcidev) | |
6023 | return error; | |
6024 | else | |
6025 | pdev = phba->pcidev; | |
6026 | ||
6027 | /* Set the device DMA mask size */ | |
8e68597d MR |
6028 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0 |
6029 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) { | |
6030 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0 | |
6031 | || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) { | |
da0436e9 | 6032 | return error; |
8e68597d MR |
6033 | } |
6034 | } | |
da0436e9 JS |
6035 | |
6036 | /* Get the bus address of SLI4 device Bar0, Bar1, and Bar2 and the | |
6037 | * number of bytes required by each mapping. They are actually | |
6038 | * mapping to the PCI BAR regions 1, 2, and 4 by the SLI4 device. | |
6039 | */ | |
6040 | phba->pci_bar0_map = pci_resource_start(pdev, LPFC_SLI4_BAR0); | |
6041 | bar0map_len = pci_resource_len(pdev, LPFC_SLI4_BAR0); | |
6042 | ||
6043 | phba->pci_bar1_map = pci_resource_start(pdev, LPFC_SLI4_BAR1); | |
6044 | bar1map_len = pci_resource_len(pdev, LPFC_SLI4_BAR1); | |
6045 | ||
6046 | phba->pci_bar2_map = pci_resource_start(pdev, LPFC_SLI4_BAR2); | |
6047 | bar2map_len = pci_resource_len(pdev, LPFC_SLI4_BAR2); | |
6048 | ||
6049 | /* Map SLI4 PCI Config Space Register base to a kernel virtual addr */ | |
6050 | phba->sli4_hba.conf_regs_memmap_p = | |
6051 | ioremap(phba->pci_bar0_map, bar0map_len); | |
6052 | if (!phba->sli4_hba.conf_regs_memmap_p) { | |
6053 | dev_printk(KERN_ERR, &pdev->dev, | |
6054 | "ioremap failed for SLI4 PCI config registers.\n"); | |
6055 | goto out; | |
6056 | } | |
6057 | ||
6058 | /* Map SLI4 HBA Control Register base to a kernel virtual address. */ | |
6059 | phba->sli4_hba.ctrl_regs_memmap_p = | |
6060 | ioremap(phba->pci_bar1_map, bar1map_len); | |
6061 | if (!phba->sli4_hba.ctrl_regs_memmap_p) { | |
6062 | dev_printk(KERN_ERR, &pdev->dev, | |
6063 | "ioremap failed for SLI4 HBA control registers.\n"); | |
6064 | goto out_iounmap_conf; | |
6065 | } | |
6066 | ||
6067 | /* Map SLI4 HBA Doorbell Register base to a kernel virtual address. */ | |
6068 | phba->sli4_hba.drbl_regs_memmap_p = | |
6069 | ioremap(phba->pci_bar2_map, bar2map_len); | |
6070 | if (!phba->sli4_hba.drbl_regs_memmap_p) { | |
6071 | dev_printk(KERN_ERR, &pdev->dev, | |
6072 | "ioremap failed for SLI4 HBA doorbell registers.\n"); | |
6073 | goto out_iounmap_ctrl; | |
6074 | } | |
6075 | ||
6076 | /* Set up BAR0 PCI config space register memory map */ | |
6077 | lpfc_sli4_bar0_register_memmap(phba); | |
6078 | ||
6079 | /* Set up BAR1 register memory map */ | |
6080 | lpfc_sli4_bar1_register_memmap(phba); | |
6081 | ||
6082 | /* Set up BAR2 register memory map */ | |
6083 | error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0); | |
6084 | if (error) | |
6085 | goto out_iounmap_all; | |
6086 | ||
6087 | return 0; | |
6088 | ||
6089 | out_iounmap_all: | |
6090 | iounmap(phba->sli4_hba.drbl_regs_memmap_p); | |
6091 | out_iounmap_ctrl: | |
6092 | iounmap(phba->sli4_hba.ctrl_regs_memmap_p); | |
6093 | out_iounmap_conf: | |
6094 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
6095 | out: | |
6096 | return error; | |
6097 | } | |
6098 | ||
6099 | /** | |
6100 | * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space. | |
6101 | * @phba: pointer to lpfc hba data structure. | |
6102 | * | |
6103 | * This routine is invoked to unset the PCI device memory space for device | |
6104 | * with SLI-4 interface spec. | |
6105 | **/ | |
6106 | static void | |
6107 | lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba) | |
6108 | { | |
6109 | struct pci_dev *pdev; | |
6110 | ||
6111 | /* Obtain PCI device reference */ | |
6112 | if (!phba->pcidev) | |
6113 | return; | |
6114 | else | |
6115 | pdev = phba->pcidev; | |
6116 | ||
6117 | /* Free coherent DMA memory allocated */ | |
6118 | ||
6119 | /* Unmap I/O memory space */ | |
6120 | iounmap(phba->sli4_hba.drbl_regs_memmap_p); | |
6121 | iounmap(phba->sli4_hba.ctrl_regs_memmap_p); | |
6122 | iounmap(phba->sli4_hba.conf_regs_memmap_p); | |
6123 | ||
6124 | return; | |
6125 | } | |
6126 | ||
6127 | /** | |
6128 | * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device | |
6129 | * @phba: pointer to lpfc hba data structure. | |
6130 | * | |
6131 | * This routine is invoked to enable the MSI-X interrupt vectors to device | |
6132 | * with SLI-3 interface specs. The kernel function pci_enable_msix() is | |
6133 | * called to enable the MSI-X vectors. Note that pci_enable_msix(), once | |
6134 | * invoked, enables either all or nothing, depending on the current | |
6135 | * availability of PCI vector resources. The device driver is responsible | |
6136 | * for calling the individual request_irq() to register each MSI-X vector | |
6137 | * with a interrupt handler, which is done in this function. Note that | |
6138 | * later when device is unloading, the driver should always call free_irq() | |
6139 | * on all MSI-X vectors it has done request_irq() on before calling | |
6140 | * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device | |
6141 | * will be left with MSI-X enabled and leaks its vectors. | |
6142 | * | |
6143 | * Return codes | |
af901ca1 | 6144 | * 0 - successful |
da0436e9 JS |
6145 | * other values - error |
6146 | **/ | |
6147 | static int | |
6148 | lpfc_sli_enable_msix(struct lpfc_hba *phba) | |
6149 | { | |
6150 | int rc, i; | |
6151 | LPFC_MBOXQ_t *pmb; | |
6152 | ||
6153 | /* Set up MSI-X multi-message vectors */ | |
6154 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
6155 | phba->msix_entries[i].entry = i; | |
6156 | ||
6157 | /* Configure MSI-X capability structure */ | |
6158 | rc = pci_enable_msix(phba->pcidev, phba->msix_entries, | |
6159 | ARRAY_SIZE(phba->msix_entries)); | |
6160 | if (rc) { | |
6161 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6162 | "0420 PCI enable MSI-X failed (%d)\n", rc); | |
6163 | goto msi_fail_out; | |
6164 | } | |
6165 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
6166 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6167 | "0477 MSI-X entry[%d]: vector=x%x " | |
6168 | "message=%d\n", i, | |
6169 | phba->msix_entries[i].vector, | |
6170 | phba->msix_entries[i].entry); | |
6171 | /* | |
6172 | * Assign MSI-X vectors to interrupt handlers | |
6173 | */ | |
6174 | ||
6175 | /* vector-0 is associated to slow-path handler */ | |
6176 | rc = request_irq(phba->msix_entries[0].vector, | |
6177 | &lpfc_sli_sp_intr_handler, IRQF_SHARED, | |
6178 | LPFC_SP_DRIVER_HANDLER_NAME, phba); | |
6179 | if (rc) { | |
6180 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6181 | "0421 MSI-X slow-path request_irq failed " | |
6182 | "(%d)\n", rc); | |
6183 | goto msi_fail_out; | |
6184 | } | |
6185 | ||
6186 | /* vector-1 is associated to fast-path handler */ | |
6187 | rc = request_irq(phba->msix_entries[1].vector, | |
6188 | &lpfc_sli_fp_intr_handler, IRQF_SHARED, | |
6189 | LPFC_FP_DRIVER_HANDLER_NAME, phba); | |
6190 | ||
6191 | if (rc) { | |
6192 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6193 | "0429 MSI-X fast-path request_irq failed " | |
6194 | "(%d)\n", rc); | |
6195 | goto irq_fail_out; | |
6196 | } | |
6197 | ||
6198 | /* | |
6199 | * Configure HBA MSI-X attention conditions to messages | |
6200 | */ | |
6201 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
6202 | ||
6203 | if (!pmb) { | |
6204 | rc = -ENOMEM; | |
6205 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6206 | "0474 Unable to allocate memory for issuing " | |
6207 | "MBOX_CONFIG_MSI command\n"); | |
6208 | goto mem_fail_out; | |
6209 | } | |
6210 | rc = lpfc_config_msi(phba, pmb); | |
6211 | if (rc) | |
6212 | goto mbx_fail_out; | |
6213 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
6214 | if (rc != MBX_SUCCESS) { | |
6215 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, | |
6216 | "0351 Config MSI mailbox command failed, " | |
6217 | "mbxCmd x%x, mbxStatus x%x\n", | |
6218 | pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus); | |
6219 | goto mbx_fail_out; | |
6220 | } | |
6221 | ||
6222 | /* Free memory allocated for mailbox command */ | |
6223 | mempool_free(pmb, phba->mbox_mem_pool); | |
6224 | return rc; | |
6225 | ||
6226 | mbx_fail_out: | |
6227 | /* Free memory allocated for mailbox command */ | |
6228 | mempool_free(pmb, phba->mbox_mem_pool); | |
6229 | ||
6230 | mem_fail_out: | |
6231 | /* free the irq already requested */ | |
6232 | free_irq(phba->msix_entries[1].vector, phba); | |
6233 | ||
6234 | irq_fail_out: | |
6235 | /* free the irq already requested */ | |
6236 | free_irq(phba->msix_entries[0].vector, phba); | |
6237 | ||
6238 | msi_fail_out: | |
6239 | /* Unconfigure MSI-X capability structure */ | |
6240 | pci_disable_msix(phba->pcidev); | |
6241 | return rc; | |
6242 | } | |
6243 | ||
6244 | /** | |
6245 | * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device. | |
6246 | * @phba: pointer to lpfc hba data structure. | |
6247 | * | |
6248 | * This routine is invoked to release the MSI-X vectors and then disable the | |
6249 | * MSI-X interrupt mode to device with SLI-3 interface spec. | |
6250 | **/ | |
6251 | static void | |
6252 | lpfc_sli_disable_msix(struct lpfc_hba *phba) | |
6253 | { | |
6254 | int i; | |
6255 | ||
6256 | /* Free up MSI-X multi-message vectors */ | |
6257 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
6258 | free_irq(phba->msix_entries[i].vector, phba); | |
6259 | /* Disable MSI-X */ | |
6260 | pci_disable_msix(phba->pcidev); | |
6261 | ||
6262 | return; | |
6263 | } | |
6264 | ||
6265 | /** | |
6266 | * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device. | |
6267 | * @phba: pointer to lpfc hba data structure. | |
6268 | * | |
6269 | * This routine is invoked to enable the MSI interrupt mode to device with | |
6270 | * SLI-3 interface spec. The kernel function pci_enable_msi() is called to | |
6271 | * enable the MSI vector. The device driver is responsible for calling the | |
6272 | * request_irq() to register MSI vector with a interrupt the handler, which | |
6273 | * is done in this function. | |
6274 | * | |
6275 | * Return codes | |
af901ca1 | 6276 | * 0 - successful |
da0436e9 JS |
6277 | * other values - error |
6278 | */ | |
6279 | static int | |
6280 | lpfc_sli_enable_msi(struct lpfc_hba *phba) | |
6281 | { | |
6282 | int rc; | |
6283 | ||
6284 | rc = pci_enable_msi(phba->pcidev); | |
6285 | if (!rc) | |
6286 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6287 | "0462 PCI enable MSI mode success.\n"); | |
6288 | else { | |
6289 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6290 | "0471 PCI enable MSI mode failed (%d)\n", rc); | |
6291 | return rc; | |
6292 | } | |
6293 | ||
6294 | rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, | |
6295 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
6296 | if (rc) { | |
6297 | pci_disable_msi(phba->pcidev); | |
6298 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6299 | "0478 MSI request_irq failed (%d)\n", rc); | |
6300 | } | |
6301 | return rc; | |
6302 | } | |
6303 | ||
6304 | /** | |
6305 | * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device. | |
6306 | * @phba: pointer to lpfc hba data structure. | |
6307 | * | |
6308 | * This routine is invoked to disable the MSI interrupt mode to device with | |
6309 | * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has | |
6310 | * done request_irq() on before calling pci_disable_msi(). Failure to do so | |
6311 | * results in a BUG_ON() and a device will be left with MSI enabled and leaks | |
6312 | * its vector. | |
6313 | */ | |
6314 | static void | |
6315 | lpfc_sli_disable_msi(struct lpfc_hba *phba) | |
6316 | { | |
6317 | free_irq(phba->pcidev->irq, phba); | |
6318 | pci_disable_msi(phba->pcidev); | |
6319 | return; | |
6320 | } | |
6321 | ||
6322 | /** | |
6323 | * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device. | |
6324 | * @phba: pointer to lpfc hba data structure. | |
6325 | * | |
6326 | * This routine is invoked to enable device interrupt and associate driver's | |
6327 | * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface | |
6328 | * spec. Depends on the interrupt mode configured to the driver, the driver | |
6329 | * will try to fallback from the configured interrupt mode to an interrupt | |
6330 | * mode which is supported by the platform, kernel, and device in the order | |
6331 | * of: | |
6332 | * MSI-X -> MSI -> IRQ. | |
6333 | * | |
6334 | * Return codes | |
af901ca1 | 6335 | * 0 - successful |
da0436e9 JS |
6336 | * other values - error |
6337 | **/ | |
6338 | static uint32_t | |
6339 | lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
6340 | { | |
6341 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
6342 | int retval; | |
6343 | ||
6344 | if (cfg_mode == 2) { | |
6345 | /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */ | |
6346 | retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3); | |
6347 | if (!retval) { | |
6348 | /* Now, try to enable MSI-X interrupt mode */ | |
6349 | retval = lpfc_sli_enable_msix(phba); | |
6350 | if (!retval) { | |
6351 | /* Indicate initialization to MSI-X mode */ | |
6352 | phba->intr_type = MSIX; | |
6353 | intr_mode = 2; | |
6354 | } | |
6355 | } | |
6356 | } | |
6357 | ||
6358 | /* Fallback to MSI if MSI-X initialization failed */ | |
6359 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
6360 | retval = lpfc_sli_enable_msi(phba); | |
6361 | if (!retval) { | |
6362 | /* Indicate initialization to MSI mode */ | |
6363 | phba->intr_type = MSI; | |
6364 | intr_mode = 1; | |
6365 | } | |
6366 | } | |
6367 | ||
6368 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
6369 | if (phba->intr_type == NONE) { | |
6370 | retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler, | |
6371 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
6372 | if (!retval) { | |
6373 | /* Indicate initialization to INTx mode */ | |
6374 | phba->intr_type = INTx; | |
6375 | intr_mode = 0; | |
6376 | } | |
6377 | } | |
6378 | return intr_mode; | |
6379 | } | |
6380 | ||
6381 | /** | |
6382 | * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device. | |
6383 | * @phba: pointer to lpfc hba data structure. | |
6384 | * | |
6385 | * This routine is invoked to disable device interrupt and disassociate the | |
6386 | * driver's interrupt handler(s) from interrupt vector(s) to device with | |
6387 | * SLI-3 interface spec. Depending on the interrupt mode, the driver will | |
6388 | * release the interrupt vector(s) for the message signaled interrupt. | |
6389 | **/ | |
6390 | static void | |
6391 | lpfc_sli_disable_intr(struct lpfc_hba *phba) | |
6392 | { | |
6393 | /* Disable the currently initialized interrupt mode */ | |
6394 | if (phba->intr_type == MSIX) | |
6395 | lpfc_sli_disable_msix(phba); | |
6396 | else if (phba->intr_type == MSI) | |
6397 | lpfc_sli_disable_msi(phba); | |
6398 | else if (phba->intr_type == INTx) | |
6399 | free_irq(phba->pcidev->irq, phba); | |
6400 | ||
6401 | /* Reset interrupt management states */ | |
6402 | phba->intr_type = NONE; | |
6403 | phba->sli.slistat.sli_intr = 0; | |
6404 | ||
6405 | return; | |
6406 | } | |
6407 | ||
6408 | /** | |
6409 | * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device | |
6410 | * @phba: pointer to lpfc hba data structure. | |
6411 | * | |
6412 | * This routine is invoked to enable the MSI-X interrupt vectors to device | |
6413 | * with SLI-4 interface spec. The kernel function pci_enable_msix() is called | |
6414 | * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked, | |
6415 | * enables either all or nothing, depending on the current availability of | |
6416 | * PCI vector resources. The device driver is responsible for calling the | |
6417 | * individual request_irq() to register each MSI-X vector with a interrupt | |
6418 | * handler, which is done in this function. Note that later when device is | |
6419 | * unloading, the driver should always call free_irq() on all MSI-X vectors | |
6420 | * it has done request_irq() on before calling pci_disable_msix(). Failure | |
6421 | * to do so results in a BUG_ON() and a device will be left with MSI-X | |
6422 | * enabled and leaks its vectors. | |
6423 | * | |
6424 | * Return codes | |
af901ca1 | 6425 | * 0 - successful |
da0436e9 JS |
6426 | * other values - error |
6427 | **/ | |
6428 | static int | |
6429 | lpfc_sli4_enable_msix(struct lpfc_hba *phba) | |
6430 | { | |
6431 | int rc, index; | |
6432 | ||
6433 | /* Set up MSI-X multi-message vectors */ | |
6434 | for (index = 0; index < phba->sli4_hba.cfg_eqn; index++) | |
6435 | phba->sli4_hba.msix_entries[index].entry = index; | |
6436 | ||
6437 | /* Configure MSI-X capability structure */ | |
6438 | rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries, | |
6439 | phba->sli4_hba.cfg_eqn); | |
6440 | if (rc) { | |
6441 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6442 | "0484 PCI enable MSI-X failed (%d)\n", rc); | |
6443 | goto msi_fail_out; | |
6444 | } | |
6445 | /* Log MSI-X vector assignment */ | |
6446 | for (index = 0; index < phba->sli4_hba.cfg_eqn; index++) | |
6447 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6448 | "0489 MSI-X entry[%d]: vector=x%x " | |
6449 | "message=%d\n", index, | |
6450 | phba->sli4_hba.msix_entries[index].vector, | |
6451 | phba->sli4_hba.msix_entries[index].entry); | |
6452 | /* | |
6453 | * Assign MSI-X vectors to interrupt handlers | |
6454 | */ | |
6455 | ||
6456 | /* The first vector must associated to slow-path handler for MQ */ | |
6457 | rc = request_irq(phba->sli4_hba.msix_entries[0].vector, | |
6458 | &lpfc_sli4_sp_intr_handler, IRQF_SHARED, | |
6459 | LPFC_SP_DRIVER_HANDLER_NAME, phba); | |
6460 | if (rc) { | |
6461 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6462 | "0485 MSI-X slow-path request_irq failed " | |
6463 | "(%d)\n", rc); | |
6464 | goto msi_fail_out; | |
6465 | } | |
6466 | ||
6467 | /* The rest of the vector(s) are associated to fast-path handler(s) */ | |
6468 | for (index = 1; index < phba->sli4_hba.cfg_eqn; index++) { | |
6469 | phba->sli4_hba.fcp_eq_hdl[index - 1].idx = index - 1; | |
6470 | phba->sli4_hba.fcp_eq_hdl[index - 1].phba = phba; | |
6471 | rc = request_irq(phba->sli4_hba.msix_entries[index].vector, | |
6472 | &lpfc_sli4_fp_intr_handler, IRQF_SHARED, | |
6473 | LPFC_FP_DRIVER_HANDLER_NAME, | |
6474 | &phba->sli4_hba.fcp_eq_hdl[index - 1]); | |
6475 | if (rc) { | |
6476 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6477 | "0486 MSI-X fast-path (%d) " | |
6478 | "request_irq failed (%d)\n", index, rc); | |
6479 | goto cfg_fail_out; | |
6480 | } | |
6481 | } | |
6482 | ||
6483 | return rc; | |
6484 | ||
6485 | cfg_fail_out: | |
6486 | /* free the irq already requested */ | |
6487 | for (--index; index >= 1; index--) | |
6488 | free_irq(phba->sli4_hba.msix_entries[index - 1].vector, | |
6489 | &phba->sli4_hba.fcp_eq_hdl[index - 1]); | |
6490 | ||
6491 | /* free the irq already requested */ | |
6492 | free_irq(phba->sli4_hba.msix_entries[0].vector, phba); | |
6493 | ||
6494 | msi_fail_out: | |
6495 | /* Unconfigure MSI-X capability structure */ | |
6496 | pci_disable_msix(phba->pcidev); | |
6497 | return rc; | |
6498 | } | |
6499 | ||
6500 | /** | |
6501 | * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device | |
6502 | * @phba: pointer to lpfc hba data structure. | |
6503 | * | |
6504 | * This routine is invoked to release the MSI-X vectors and then disable the | |
6505 | * MSI-X interrupt mode to device with SLI-4 interface spec. | |
6506 | **/ | |
6507 | static void | |
6508 | lpfc_sli4_disable_msix(struct lpfc_hba *phba) | |
6509 | { | |
6510 | int index; | |
6511 | ||
6512 | /* Free up MSI-X multi-message vectors */ | |
6513 | free_irq(phba->sli4_hba.msix_entries[0].vector, phba); | |
6514 | ||
6515 | for (index = 1; index < phba->sli4_hba.cfg_eqn; index++) | |
6516 | free_irq(phba->sli4_hba.msix_entries[index].vector, | |
6517 | &phba->sli4_hba.fcp_eq_hdl[index - 1]); | |
6518 | /* Disable MSI-X */ | |
6519 | pci_disable_msix(phba->pcidev); | |
6520 | ||
6521 | return; | |
6522 | } | |
6523 | ||
6524 | /** | |
6525 | * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device | |
6526 | * @phba: pointer to lpfc hba data structure. | |
6527 | * | |
6528 | * This routine is invoked to enable the MSI interrupt mode to device with | |
6529 | * SLI-4 interface spec. The kernel function pci_enable_msi() is called | |
6530 | * to enable the MSI vector. The device driver is responsible for calling | |
6531 | * the request_irq() to register MSI vector with a interrupt the handler, | |
6532 | * which is done in this function. | |
6533 | * | |
6534 | * Return codes | |
af901ca1 | 6535 | * 0 - successful |
da0436e9 JS |
6536 | * other values - error |
6537 | **/ | |
6538 | static int | |
6539 | lpfc_sli4_enable_msi(struct lpfc_hba *phba) | |
6540 | { | |
6541 | int rc, index; | |
6542 | ||
6543 | rc = pci_enable_msi(phba->pcidev); | |
6544 | if (!rc) | |
6545 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6546 | "0487 PCI enable MSI mode success.\n"); | |
6547 | else { | |
6548 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6549 | "0488 PCI enable MSI mode failed (%d)\n", rc); | |
6550 | return rc; | |
6551 | } | |
6552 | ||
6553 | rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, | |
6554 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
6555 | if (rc) { | |
6556 | pci_disable_msi(phba->pcidev); | |
6557 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6558 | "0490 MSI request_irq failed (%d)\n", rc); | |
6559 | } | |
6560 | ||
6561 | for (index = 0; index < phba->cfg_fcp_eq_count; index++) { | |
6562 | phba->sli4_hba.fcp_eq_hdl[index].idx = index; | |
6563 | phba->sli4_hba.fcp_eq_hdl[index].phba = phba; | |
6564 | } | |
6565 | ||
6566 | return rc; | |
6567 | } | |
6568 | ||
6569 | /** | |
6570 | * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device | |
6571 | * @phba: pointer to lpfc hba data structure. | |
6572 | * | |
6573 | * This routine is invoked to disable the MSI interrupt mode to device with | |
6574 | * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has | |
6575 | * done request_irq() on before calling pci_disable_msi(). Failure to do so | |
6576 | * results in a BUG_ON() and a device will be left with MSI enabled and leaks | |
6577 | * its vector. | |
6578 | **/ | |
6579 | static void | |
6580 | lpfc_sli4_disable_msi(struct lpfc_hba *phba) | |
6581 | { | |
6582 | free_irq(phba->pcidev->irq, phba); | |
6583 | pci_disable_msi(phba->pcidev); | |
6584 | return; | |
6585 | } | |
6586 | ||
6587 | /** | |
6588 | * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device | |
6589 | * @phba: pointer to lpfc hba data structure. | |
6590 | * | |
6591 | * This routine is invoked to enable device interrupt and associate driver's | |
6592 | * interrupt handler(s) to interrupt vector(s) to device with SLI-4 | |
6593 | * interface spec. Depends on the interrupt mode configured to the driver, | |
6594 | * the driver will try to fallback from the configured interrupt mode to an | |
6595 | * interrupt mode which is supported by the platform, kernel, and device in | |
6596 | * the order of: | |
6597 | * MSI-X -> MSI -> IRQ. | |
6598 | * | |
6599 | * Return codes | |
af901ca1 | 6600 | * 0 - successful |
da0436e9 JS |
6601 | * other values - error |
6602 | **/ | |
6603 | static uint32_t | |
6604 | lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
6605 | { | |
6606 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
6607 | int retval, index; | |
6608 | ||
6609 | if (cfg_mode == 2) { | |
6610 | /* Preparation before conf_msi mbox cmd */ | |
6611 | retval = 0; | |
6612 | if (!retval) { | |
6613 | /* Now, try to enable MSI-X interrupt mode */ | |
6614 | retval = lpfc_sli4_enable_msix(phba); | |
6615 | if (!retval) { | |
6616 | /* Indicate initialization to MSI-X mode */ | |
6617 | phba->intr_type = MSIX; | |
6618 | intr_mode = 2; | |
6619 | } | |
6620 | } | |
6621 | } | |
6622 | ||
6623 | /* Fallback to MSI if MSI-X initialization failed */ | |
6624 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
6625 | retval = lpfc_sli4_enable_msi(phba); | |
6626 | if (!retval) { | |
6627 | /* Indicate initialization to MSI mode */ | |
6628 | phba->intr_type = MSI; | |
6629 | intr_mode = 1; | |
6630 | } | |
6631 | } | |
6632 | ||
6633 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
6634 | if (phba->intr_type == NONE) { | |
6635 | retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, | |
6636 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
6637 | if (!retval) { | |
6638 | /* Indicate initialization to INTx mode */ | |
6639 | phba->intr_type = INTx; | |
6640 | intr_mode = 0; | |
6641 | for (index = 0; index < phba->cfg_fcp_eq_count; | |
6642 | index++) { | |
6643 | phba->sli4_hba.fcp_eq_hdl[index].idx = index; | |
6644 | phba->sli4_hba.fcp_eq_hdl[index].phba = phba; | |
6645 | } | |
6646 | } | |
6647 | } | |
6648 | return intr_mode; | |
6649 | } | |
6650 | ||
6651 | /** | |
6652 | * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device | |
6653 | * @phba: pointer to lpfc hba data structure. | |
6654 | * | |
6655 | * This routine is invoked to disable device interrupt and disassociate | |
6656 | * the driver's interrupt handler(s) from interrupt vector(s) to device | |
6657 | * with SLI-4 interface spec. Depending on the interrupt mode, the driver | |
6658 | * will release the interrupt vector(s) for the message signaled interrupt. | |
6659 | **/ | |
6660 | static void | |
6661 | lpfc_sli4_disable_intr(struct lpfc_hba *phba) | |
6662 | { | |
6663 | /* Disable the currently initialized interrupt mode */ | |
6664 | if (phba->intr_type == MSIX) | |
6665 | lpfc_sli4_disable_msix(phba); | |
6666 | else if (phba->intr_type == MSI) | |
6667 | lpfc_sli4_disable_msi(phba); | |
6668 | else if (phba->intr_type == INTx) | |
6669 | free_irq(phba->pcidev->irq, phba); | |
6670 | ||
6671 | /* Reset interrupt management states */ | |
6672 | phba->intr_type = NONE; | |
6673 | phba->sli.slistat.sli_intr = 0; | |
6674 | ||
6675 | return; | |
6676 | } | |
6677 | ||
6678 | /** | |
6679 | * lpfc_unset_hba - Unset SLI3 hba device initialization | |
6680 | * @phba: pointer to lpfc hba data structure. | |
6681 | * | |
6682 | * This routine is invoked to unset the HBA device initialization steps to | |
6683 | * a device with SLI-3 interface spec. | |
6684 | **/ | |
6685 | static void | |
6686 | lpfc_unset_hba(struct lpfc_hba *phba) | |
6687 | { | |
6688 | struct lpfc_vport *vport = phba->pport; | |
6689 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
6690 | ||
6691 | spin_lock_irq(shost->host_lock); | |
6692 | vport->load_flag |= FC_UNLOADING; | |
6693 | spin_unlock_irq(shost->host_lock); | |
6694 | ||
6695 | lpfc_stop_hba_timers(phba); | |
6696 | ||
6697 | phba->pport->work_port_events = 0; | |
6698 | ||
6699 | lpfc_sli_hba_down(phba); | |
6700 | ||
6701 | lpfc_sli_brdrestart(phba); | |
6702 | ||
6703 | lpfc_sli_disable_intr(phba); | |
6704 | ||
6705 | return; | |
6706 | } | |
6707 | ||
6708 | /** | |
6709 | * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization. | |
6710 | * @phba: pointer to lpfc hba data structure. | |
6711 | * | |
6712 | * This routine is invoked to unset the HBA device initialization steps to | |
6713 | * a device with SLI-4 interface spec. | |
6714 | **/ | |
6715 | static void | |
6716 | lpfc_sli4_unset_hba(struct lpfc_hba *phba) | |
6717 | { | |
6718 | struct lpfc_vport *vport = phba->pport; | |
6719 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
6720 | ||
6721 | spin_lock_irq(shost->host_lock); | |
6722 | vport->load_flag |= FC_UNLOADING; | |
6723 | spin_unlock_irq(shost->host_lock); | |
6724 | ||
6725 | phba->pport->work_port_events = 0; | |
6726 | ||
6727 | lpfc_sli4_hba_down(phba); | |
6728 | ||
6729 | lpfc_sli4_disable_intr(phba); | |
6730 | ||
6731 | return; | |
6732 | } | |
6733 | ||
6734 | /** | |
6735 | * lpfc_sli4_hba_unset - Unset the fcoe hba | |
6736 | * @phba: Pointer to HBA context object. | |
6737 | * | |
6738 | * This function is called in the SLI4 code path to reset the HBA's FCoE | |
6739 | * function. The caller is not required to hold any lock. This routine | |
6740 | * issues PCI function reset mailbox command to reset the FCoE function. | |
6741 | * At the end of the function, it calls lpfc_hba_down_post function to | |
6742 | * free any pending commands. | |
6743 | **/ | |
6744 | static void | |
6745 | lpfc_sli4_hba_unset(struct lpfc_hba *phba) | |
6746 | { | |
6747 | int wait_cnt = 0; | |
6748 | LPFC_MBOXQ_t *mboxq; | |
6749 | ||
6750 | lpfc_stop_hba_timers(phba); | |
6751 | phba->sli4_hba.intr_enable = 0; | |
6752 | ||
6753 | /* | |
6754 | * Gracefully wait out the potential current outstanding asynchronous | |
6755 | * mailbox command. | |
6756 | */ | |
6757 | ||
6758 | /* First, block any pending async mailbox command from posted */ | |
6759 | spin_lock_irq(&phba->hbalock); | |
6760 | phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
6761 | spin_unlock_irq(&phba->hbalock); | |
6762 | /* Now, trying to wait it out if we can */ | |
6763 | while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
6764 | msleep(10); | |
6765 | if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT) | |
6766 | break; | |
6767 | } | |
6768 | /* Forcefully release the outstanding mailbox command if timed out */ | |
6769 | if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
6770 | spin_lock_irq(&phba->hbalock); | |
6771 | mboxq = phba->sli.mbox_active; | |
6772 | mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
6773 | __lpfc_mbox_cmpl_put(phba, mboxq); | |
6774 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
6775 | phba->sli.mbox_active = NULL; | |
6776 | spin_unlock_irq(&phba->hbalock); | |
6777 | } | |
6778 | ||
6779 | /* Tear down the queues in the HBA */ | |
6780 | lpfc_sli4_queue_unset(phba); | |
6781 | ||
6782 | /* Disable PCI subsystem interrupt */ | |
6783 | lpfc_sli4_disable_intr(phba); | |
6784 | ||
6785 | /* Stop kthread signal shall trigger work_done one more time */ | |
6786 | kthread_stop(phba->worker_thread); | |
6787 | ||
6788 | /* Stop the SLI4 device port */ | |
6789 | phba->pport->work_port_events = 0; | |
6790 | } | |
6791 | ||
6792 | /** | |
6793 | * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem. | |
6794 | * @pdev: pointer to PCI device | |
6795 | * @pid: pointer to PCI device identifier | |
6796 | * | |
6797 | * This routine is to be called to attach a device with SLI-3 interface spec | |
6798 | * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is | |
6799 | * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific | |
6800 | * information of the device and driver to see if the driver state that it can | |
6801 | * support this kind of device. If the match is successful, the driver core | |
6802 | * invokes this routine. If this routine determines it can claim the HBA, it | |
6803 | * does all the initialization that it needs to do to handle the HBA properly. | |
6804 | * | |
6805 | * Return code | |
6806 | * 0 - driver can claim the device | |
6807 | * negative value - driver can not claim the device | |
6808 | **/ | |
6809 | static int __devinit | |
6810 | lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid) | |
6811 | { | |
6812 | struct lpfc_hba *phba; | |
6813 | struct lpfc_vport *vport = NULL; | |
6669f9bb | 6814 | struct Scsi_Host *shost = NULL; |
da0436e9 JS |
6815 | int error; |
6816 | uint32_t cfg_mode, intr_mode; | |
6817 | ||
6818 | /* Allocate memory for HBA structure */ | |
6819 | phba = lpfc_hba_alloc(pdev); | |
6820 | if (!phba) | |
6821 | return -ENOMEM; | |
6822 | ||
6823 | /* Perform generic PCI device enabling operation */ | |
6824 | error = lpfc_enable_pci_dev(phba); | |
6825 | if (error) { | |
6826 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6827 | "1401 Failed to enable pci device.\n"); | |
6828 | goto out_free_phba; | |
6829 | } | |
6830 | ||
6831 | /* Set up SLI API function jump table for PCI-device group-0 HBAs */ | |
6832 | error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP); | |
6833 | if (error) | |
6834 | goto out_disable_pci_dev; | |
6835 | ||
6836 | /* Set up SLI-3 specific device PCI memory space */ | |
6837 | error = lpfc_sli_pci_mem_setup(phba); | |
6838 | if (error) { | |
6839 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6840 | "1402 Failed to set up pci memory space.\n"); | |
6841 | goto out_disable_pci_dev; | |
6842 | } | |
6843 | ||
6844 | /* Set up phase-1 common device driver resources */ | |
6845 | error = lpfc_setup_driver_resource_phase1(phba); | |
6846 | if (error) { | |
6847 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6848 | "1403 Failed to set up driver resource.\n"); | |
6849 | goto out_unset_pci_mem_s3; | |
6850 | } | |
6851 | ||
6852 | /* Set up SLI-3 specific device driver resources */ | |
6853 | error = lpfc_sli_driver_resource_setup(phba); | |
6854 | if (error) { | |
6855 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6856 | "1404 Failed to set up driver resource.\n"); | |
6857 | goto out_unset_pci_mem_s3; | |
6858 | } | |
6859 | ||
6860 | /* Initialize and populate the iocb list per host */ | |
6861 | error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT); | |
6862 | if (error) { | |
6863 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6864 | "1405 Failed to initialize iocb list.\n"); | |
6865 | goto out_unset_driver_resource_s3; | |
6866 | } | |
6867 | ||
6868 | /* Set up common device driver resources */ | |
6869 | error = lpfc_setup_driver_resource_phase2(phba); | |
6870 | if (error) { | |
6871 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6872 | "1406 Failed to set up driver resource.\n"); | |
6873 | goto out_free_iocb_list; | |
6874 | } | |
6875 | ||
6876 | /* Create SCSI host to the physical port */ | |
6877 | error = lpfc_create_shost(phba); | |
6878 | if (error) { | |
6879 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6880 | "1407 Failed to create scsi host.\n"); | |
6881 | goto out_unset_driver_resource; | |
6882 | } | |
6883 | ||
6884 | /* Configure sysfs attributes */ | |
6885 | vport = phba->pport; | |
6886 | error = lpfc_alloc_sysfs_attr(vport); | |
6887 | if (error) { | |
6888 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6889 | "1476 Failed to allocate sysfs attr\n"); | |
6890 | goto out_destroy_shost; | |
6891 | } | |
6892 | ||
6669f9bb | 6893 | shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ |
da0436e9 JS |
6894 | /* Now, trying to enable interrupt and bring up the device */ |
6895 | cfg_mode = phba->cfg_use_msi; | |
6896 | while (true) { | |
6897 | /* Put device to a known state before enabling interrupt */ | |
6898 | lpfc_stop_port(phba); | |
6899 | /* Configure and enable interrupt */ | |
6900 | intr_mode = lpfc_sli_enable_intr(phba, cfg_mode); | |
6901 | if (intr_mode == LPFC_INTR_ERROR) { | |
6902 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6903 | "0431 Failed to enable interrupt.\n"); | |
6904 | error = -ENODEV; | |
6905 | goto out_free_sysfs_attr; | |
6906 | } | |
6907 | /* SLI-3 HBA setup */ | |
6908 | if (lpfc_sli_hba_setup(phba)) { | |
6909 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6910 | "1477 Failed to set up hba\n"); | |
6911 | error = -ENODEV; | |
6912 | goto out_remove_device; | |
6913 | } | |
6914 | ||
6915 | /* Wait 50ms for the interrupts of previous mailbox commands */ | |
6916 | msleep(50); | |
6917 | /* Check active interrupts on message signaled interrupts */ | |
6918 | if (intr_mode == 0 || | |
6919 | phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) { | |
6920 | /* Log the current active interrupt mode */ | |
6921 | phba->intr_mode = intr_mode; | |
6922 | lpfc_log_intr_mode(phba, intr_mode); | |
6923 | break; | |
6924 | } else { | |
6925 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6926 | "0447 Configure interrupt mode (%d) " | |
6927 | "failed active interrupt test.\n", | |
6928 | intr_mode); | |
6929 | /* Disable the current interrupt mode */ | |
6930 | lpfc_sli_disable_intr(phba); | |
6931 | /* Try next level of interrupt mode */ | |
6932 | cfg_mode = --intr_mode; | |
6933 | } | |
6934 | } | |
6935 | ||
6936 | /* Perform post initialization setup */ | |
6937 | lpfc_post_init_setup(phba); | |
6938 | ||
6939 | /* Check if there are static vports to be created. */ | |
6940 | lpfc_create_static_vport(phba); | |
6941 | ||
6942 | return 0; | |
6943 | ||
6944 | out_remove_device: | |
6945 | lpfc_unset_hba(phba); | |
6946 | out_free_sysfs_attr: | |
6947 | lpfc_free_sysfs_attr(vport); | |
6948 | out_destroy_shost: | |
6949 | lpfc_destroy_shost(phba); | |
6950 | out_unset_driver_resource: | |
6951 | lpfc_unset_driver_resource_phase2(phba); | |
6952 | out_free_iocb_list: | |
6953 | lpfc_free_iocb_list(phba); | |
6954 | out_unset_driver_resource_s3: | |
6955 | lpfc_sli_driver_resource_unset(phba); | |
6956 | out_unset_pci_mem_s3: | |
6957 | lpfc_sli_pci_mem_unset(phba); | |
6958 | out_disable_pci_dev: | |
6959 | lpfc_disable_pci_dev(phba); | |
6669f9bb JS |
6960 | if (shost) |
6961 | scsi_host_put(shost); | |
da0436e9 JS |
6962 | out_free_phba: |
6963 | lpfc_hba_free(phba); | |
6964 | return error; | |
6965 | } | |
6966 | ||
6967 | /** | |
6968 | * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem. | |
6969 | * @pdev: pointer to PCI device | |
6970 | * | |
6971 | * This routine is to be called to disattach a device with SLI-3 interface | |
6972 | * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is | |
6973 | * removed from PCI bus, it performs all the necessary cleanup for the HBA | |
6974 | * device to be removed from the PCI subsystem properly. | |
6975 | **/ | |
6976 | static void __devexit | |
6977 | lpfc_pci_remove_one_s3(struct pci_dev *pdev) | |
6978 | { | |
6979 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6980 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
6981 | struct lpfc_vport **vports; | |
6982 | struct lpfc_hba *phba = vport->phba; | |
6983 | int i; | |
6984 | int bars = pci_select_bars(pdev, IORESOURCE_MEM); | |
6985 | ||
6986 | spin_lock_irq(&phba->hbalock); | |
6987 | vport->load_flag |= FC_UNLOADING; | |
6988 | spin_unlock_irq(&phba->hbalock); | |
6989 | ||
6990 | lpfc_free_sysfs_attr(vport); | |
6991 | ||
6992 | /* Release all the vports against this physical port */ | |
6993 | vports = lpfc_create_vport_work_array(phba); | |
6994 | if (vports != NULL) | |
6995 | for (i = 1; i <= phba->max_vports && vports[i] != NULL; i++) | |
6996 | fc_vport_terminate(vports[i]->fc_vport); | |
6997 | lpfc_destroy_vport_work_array(phba, vports); | |
6998 | ||
6999 | /* Remove FC host and then SCSI host with the physical port */ | |
7000 | fc_remove_host(shost); | |
7001 | scsi_remove_host(shost); | |
7002 | lpfc_cleanup(vport); | |
7003 | ||
7004 | /* | |
7005 | * Bring down the SLI Layer. This step disable all interrupts, | |
7006 | * clears the rings, discards all mailbox commands, and resets | |
7007 | * the HBA. | |
7008 | */ | |
7009 | ||
7010 | /* HBA interrupt will be diabled after this call */ | |
7011 | lpfc_sli_hba_down(phba); | |
7012 | /* Stop kthread signal shall trigger work_done one more time */ | |
7013 | kthread_stop(phba->worker_thread); | |
7014 | /* Final cleanup of txcmplq and reset the HBA */ | |
7015 | lpfc_sli_brdrestart(phba); | |
7016 | ||
7017 | lpfc_stop_hba_timers(phba); | |
7018 | spin_lock_irq(&phba->hbalock); | |
7019 | list_del_init(&vport->listentry); | |
7020 | spin_unlock_irq(&phba->hbalock); | |
7021 | ||
7022 | lpfc_debugfs_terminate(vport); | |
7023 | ||
7024 | /* Disable interrupt */ | |
7025 | lpfc_sli_disable_intr(phba); | |
7026 | ||
7027 | pci_set_drvdata(pdev, NULL); | |
7028 | scsi_host_put(shost); | |
7029 | ||
7030 | /* | |
7031 | * Call scsi_free before mem_free since scsi bufs are released to their | |
7032 | * corresponding pools here. | |
7033 | */ | |
7034 | lpfc_scsi_free(phba); | |
7035 | lpfc_mem_free_all(phba); | |
7036 | ||
7037 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), | |
7038 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
7039 | ||
7040 | /* Free resources associated with SLI2 interface */ | |
7041 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
7042 | phba->slim2p.virt, phba->slim2p.phys); | |
7043 | ||
7044 | /* unmap adapter SLIM and Control Registers */ | |
7045 | iounmap(phba->ctrl_regs_memmap_p); | |
7046 | iounmap(phba->slim_memmap_p); | |
7047 | ||
7048 | lpfc_hba_free(phba); | |
7049 | ||
7050 | pci_release_selected_regions(pdev, bars); | |
7051 | pci_disable_device(pdev); | |
7052 | } | |
7053 | ||
7054 | /** | |
7055 | * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt | |
7056 | * @pdev: pointer to PCI device | |
7057 | * @msg: power management message | |
7058 | * | |
7059 | * This routine is to be called from the kernel's PCI subsystem to support | |
7060 | * system Power Management (PM) to device with SLI-3 interface spec. When | |
7061 | * PM invokes this method, it quiesces the device by stopping the driver's | |
7062 | * worker thread for the device, turning off device's interrupt and DMA, | |
7063 | * and bring the device offline. Note that as the driver implements the | |
7064 | * minimum PM requirements to a power-aware driver's PM support for the | |
7065 | * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) | |
7066 | * to the suspend() method call will be treated as SUSPEND and the driver will | |
7067 | * fully reinitialize its device during resume() method call, the driver will | |
7068 | * set device to PCI_D3hot state in PCI config space instead of setting it | |
7069 | * according to the @msg provided by the PM. | |
7070 | * | |
7071 | * Return code | |
7072 | * 0 - driver suspended the device | |
7073 | * Error otherwise | |
7074 | **/ | |
7075 | static int | |
7076 | lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg) | |
7077 | { | |
7078 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7079 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7080 | ||
7081 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7082 | "0473 PCI device Power Management suspend.\n"); | |
7083 | ||
7084 | /* Bring down the device */ | |
7085 | lpfc_offline_prep(phba); | |
7086 | lpfc_offline(phba); | |
7087 | kthread_stop(phba->worker_thread); | |
7088 | ||
7089 | /* Disable interrupt from device */ | |
7090 | lpfc_sli_disable_intr(phba); | |
7091 | ||
7092 | /* Save device state to PCI config space */ | |
7093 | pci_save_state(pdev); | |
7094 | pci_set_power_state(pdev, PCI_D3hot); | |
7095 | ||
7096 | return 0; | |
7097 | } | |
7098 | ||
7099 | /** | |
7100 | * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt | |
7101 | * @pdev: pointer to PCI device | |
7102 | * | |
7103 | * This routine is to be called from the kernel's PCI subsystem to support | |
7104 | * system Power Management (PM) to device with SLI-3 interface spec. When PM | |
7105 | * invokes this method, it restores the device's PCI config space state and | |
7106 | * fully reinitializes the device and brings it online. Note that as the | |
7107 | * driver implements the minimum PM requirements to a power-aware driver's | |
7108 | * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, | |
7109 | * FREEZE) to the suspend() method call will be treated as SUSPEND and the | |
7110 | * driver will fully reinitialize its device during resume() method call, | |
7111 | * the device will be set to PCI_D0 directly in PCI config space before | |
7112 | * restoring the state. | |
7113 | * | |
7114 | * Return code | |
7115 | * 0 - driver suspended the device | |
7116 | * Error otherwise | |
7117 | **/ | |
7118 | static int | |
7119 | lpfc_pci_resume_one_s3(struct pci_dev *pdev) | |
7120 | { | |
7121 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7122 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7123 | uint32_t intr_mode; | |
7124 | int error; | |
7125 | ||
7126 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7127 | "0452 PCI device Power Management resume.\n"); | |
7128 | ||
7129 | /* Restore device state from PCI config space */ | |
7130 | pci_set_power_state(pdev, PCI_D0); | |
7131 | pci_restore_state(pdev); | |
0d878419 | 7132 | |
da0436e9 JS |
7133 | if (pdev->is_busmaster) |
7134 | pci_set_master(pdev); | |
7135 | ||
7136 | /* Startup the kernel thread for this host adapter. */ | |
7137 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
7138 | "lpfc_worker_%d", phba->brd_no); | |
7139 | if (IS_ERR(phba->worker_thread)) { | |
7140 | error = PTR_ERR(phba->worker_thread); | |
7141 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7142 | "0434 PM resume failed to start worker " | |
7143 | "thread: error=x%x.\n", error); | |
7144 | return error; | |
7145 | } | |
7146 | ||
7147 | /* Configure and enable interrupt */ | |
7148 | intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); | |
7149 | if (intr_mode == LPFC_INTR_ERROR) { | |
7150 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7151 | "0430 PM resume Failed to enable interrupt\n"); | |
7152 | return -EIO; | |
7153 | } else | |
7154 | phba->intr_mode = intr_mode; | |
7155 | ||
7156 | /* Restart HBA and bring it online */ | |
7157 | lpfc_sli_brdrestart(phba); | |
7158 | lpfc_online(phba); | |
7159 | ||
7160 | /* Log the current active interrupt mode */ | |
7161 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
7162 | ||
7163 | return 0; | |
7164 | } | |
7165 | ||
891478a2 JS |
7166 | /** |
7167 | * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover | |
7168 | * @phba: pointer to lpfc hba data structure. | |
7169 | * | |
7170 | * This routine is called to prepare the SLI3 device for PCI slot recover. It | |
7171 | * aborts and stops all the on-going I/Os on the pci device. | |
7172 | **/ | |
7173 | static void | |
7174 | lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba) | |
7175 | { | |
7176 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7177 | "2723 PCI channel I/O abort preparing for recovery\n"); | |
7178 | /* Prepare for bringing HBA offline */ | |
7179 | lpfc_offline_prep(phba); | |
7180 | /* Clear sli active flag to prevent sysfs access to HBA */ | |
7181 | spin_lock_irq(&phba->hbalock); | |
7182 | phba->sli.sli_flag &= ~LPFC_SLI_ACTIVE; | |
7183 | spin_unlock_irq(&phba->hbalock); | |
7184 | /* Stop and flush all I/Os and bring HBA offline */ | |
7185 | lpfc_offline(phba); | |
7186 | } | |
7187 | ||
0d878419 JS |
7188 | /** |
7189 | * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset | |
7190 | * @phba: pointer to lpfc hba data structure. | |
7191 | * | |
7192 | * This routine is called to prepare the SLI3 device for PCI slot reset. It | |
7193 | * disables the device interrupt and pci device, and aborts the internal FCP | |
7194 | * pending I/Os. | |
7195 | **/ | |
7196 | static void | |
7197 | lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba) | |
7198 | { | |
7199 | struct lpfc_sli *psli = &phba->sli; | |
7200 | struct lpfc_sli_ring *pring; | |
7201 | ||
7202 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
891478a2 | 7203 | "2710 PCI channel disable preparing for reset\n"); |
0d878419 JS |
7204 | /* Disable interrupt and pci device */ |
7205 | lpfc_sli_disable_intr(phba); | |
7206 | pci_disable_device(phba->pcidev); | |
7207 | /* | |
7208 | * There may be I/Os dropped by the firmware. | |
7209 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
7210 | * retry it after re-establishing link. | |
7211 | */ | |
7212 | pring = &psli->ring[psli->fcp_ring]; | |
7213 | lpfc_sli_abort_iocb_ring(phba, pring); | |
7214 | } | |
7215 | ||
7216 | /** | |
7217 | * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable | |
7218 | * @phba: pointer to lpfc hba data structure. | |
7219 | * | |
7220 | * This routine is called to prepare the SLI3 device for PCI slot permanently | |
7221 | * disabling. It blocks the SCSI transport layer traffic and flushes the FCP | |
7222 | * pending I/Os. | |
7223 | **/ | |
7224 | static void | |
7225 | lpfc_prep_dev_for_perm_failure(struct lpfc_hba *phba) | |
7226 | { | |
7227 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
891478a2 | 7228 | "2711 PCI channel permanent disable for failure\n"); |
0d878419 JS |
7229 | /* Block all SCSI devices' I/Os on the host */ |
7230 | lpfc_scsi_dev_block(phba); | |
7231 | /* Clean up all driver's outstanding SCSI I/Os */ | |
7232 | lpfc_sli_flush_fcp_rings(phba); | |
7233 | } | |
7234 | ||
da0436e9 JS |
7235 | /** |
7236 | * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error | |
7237 | * @pdev: pointer to PCI device. | |
7238 | * @state: the current PCI connection state. | |
7239 | * | |
7240 | * This routine is called from the PCI subsystem for I/O error handling to | |
7241 | * device with SLI-3 interface spec. This function is called by the PCI | |
7242 | * subsystem after a PCI bus error affecting this device has been detected. | |
7243 | * When this function is invoked, it will need to stop all the I/Os and | |
7244 | * interrupt(s) to the device. Once that is done, it will return | |
7245 | * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery | |
7246 | * as desired. | |
7247 | * | |
7248 | * Return codes | |
0d878419 | 7249 | * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link |
da0436e9 JS |
7250 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery |
7251 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
7252 | **/ | |
7253 | static pci_ers_result_t | |
7254 | lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state) | |
7255 | { | |
7256 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7257 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
da0436e9 | 7258 | |
0d878419 JS |
7259 | switch (state) { |
7260 | case pci_channel_io_normal: | |
891478a2 JS |
7261 | /* Non-fatal error, prepare for recovery */ |
7262 | lpfc_sli_prep_dev_for_recover(phba); | |
0d878419 JS |
7263 | return PCI_ERS_RESULT_CAN_RECOVER; |
7264 | case pci_channel_io_frozen: | |
7265 | /* Fatal error, prepare for slot reset */ | |
7266 | lpfc_sli_prep_dev_for_reset(phba); | |
7267 | return PCI_ERS_RESULT_NEED_RESET; | |
7268 | case pci_channel_io_perm_failure: | |
7269 | /* Permanent failure, prepare for device down */ | |
7270 | lpfc_prep_dev_for_perm_failure(phba); | |
da0436e9 | 7271 | return PCI_ERS_RESULT_DISCONNECT; |
0d878419 JS |
7272 | default: |
7273 | /* Unknown state, prepare and request slot reset */ | |
7274 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7275 | "0472 Unknown PCI error state: x%x\n", state); | |
7276 | lpfc_sli_prep_dev_for_reset(phba); | |
7277 | return PCI_ERS_RESULT_NEED_RESET; | |
da0436e9 | 7278 | } |
da0436e9 JS |
7279 | } |
7280 | ||
7281 | /** | |
7282 | * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch. | |
7283 | * @pdev: pointer to PCI device. | |
7284 | * | |
7285 | * This routine is called from the PCI subsystem for error handling to | |
7286 | * device with SLI-3 interface spec. This is called after PCI bus has been | |
7287 | * reset to restart the PCI card from scratch, as if from a cold-boot. | |
7288 | * During the PCI subsystem error recovery, after driver returns | |
7289 | * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error | |
7290 | * recovery and then call this routine before calling the .resume method | |
7291 | * to recover the device. This function will initialize the HBA device, | |
7292 | * enable the interrupt, but it will just put the HBA to offline state | |
7293 | * without passing any I/O traffic. | |
7294 | * | |
7295 | * Return codes | |
7296 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
7297 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
7298 | */ | |
7299 | static pci_ers_result_t | |
7300 | lpfc_io_slot_reset_s3(struct pci_dev *pdev) | |
7301 | { | |
7302 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7303 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7304 | struct lpfc_sli *psli = &phba->sli; | |
7305 | uint32_t intr_mode; | |
7306 | ||
7307 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
7308 | if (pci_enable_device_mem(pdev)) { | |
7309 | printk(KERN_ERR "lpfc: Cannot re-enable " | |
7310 | "PCI device after reset.\n"); | |
7311 | return PCI_ERS_RESULT_DISCONNECT; | |
7312 | } | |
7313 | ||
7314 | pci_restore_state(pdev); | |
7315 | if (pdev->is_busmaster) | |
7316 | pci_set_master(pdev); | |
7317 | ||
7318 | spin_lock_irq(&phba->hbalock); | |
7319 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
7320 | spin_unlock_irq(&phba->hbalock); | |
7321 | ||
7322 | /* Configure and enable interrupt */ | |
7323 | intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); | |
7324 | if (intr_mode == LPFC_INTR_ERROR) { | |
7325 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7326 | "0427 Cannot re-enable interrupt after " | |
7327 | "slot reset.\n"); | |
7328 | return PCI_ERS_RESULT_DISCONNECT; | |
7329 | } else | |
7330 | phba->intr_mode = intr_mode; | |
7331 | ||
7332 | /* Take device offline; this will perform cleanup */ | |
7333 | lpfc_offline(phba); | |
7334 | lpfc_sli_brdrestart(phba); | |
7335 | ||
7336 | /* Log the current active interrupt mode */ | |
7337 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
7338 | ||
7339 | return PCI_ERS_RESULT_RECOVERED; | |
7340 | } | |
7341 | ||
7342 | /** | |
7343 | * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device. | |
7344 | * @pdev: pointer to PCI device | |
7345 | * | |
7346 | * This routine is called from the PCI subsystem for error handling to device | |
7347 | * with SLI-3 interface spec. It is called when kernel error recovery tells | |
7348 | * the lpfc driver that it is ok to resume normal PCI operation after PCI bus | |
7349 | * error recovery. After this call, traffic can start to flow from this device | |
7350 | * again. | |
7351 | */ | |
7352 | static void | |
7353 | lpfc_io_resume_s3(struct pci_dev *pdev) | |
7354 | { | |
7355 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7356 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3772a991 | 7357 | |
0d878419 | 7358 | /* Bring the device online */ |
da0436e9 | 7359 | lpfc_online(phba); |
0d878419 JS |
7360 | |
7361 | /* Clean up Advanced Error Reporting (AER) if needed */ | |
7362 | if (phba->hba_flag & HBA_AER_ENABLED) | |
7363 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
da0436e9 | 7364 | } |
3772a991 | 7365 | |
da0436e9 JS |
7366 | /** |
7367 | * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve | |
7368 | * @phba: pointer to lpfc hba data structure. | |
7369 | * | |
7370 | * returns the number of ELS/CT IOCBs to reserve | |
7371 | **/ | |
7372 | int | |
7373 | lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba) | |
7374 | { | |
7375 | int max_xri = phba->sli4_hba.max_cfg_param.max_xri; | |
7376 | ||
f1126688 JS |
7377 | if (phba->sli_rev == LPFC_SLI_REV4) { |
7378 | if (max_xri <= 100) | |
6a9c52cf | 7379 | return 10; |
f1126688 | 7380 | else if (max_xri <= 256) |
6a9c52cf | 7381 | return 25; |
f1126688 | 7382 | else if (max_xri <= 512) |
6a9c52cf | 7383 | return 50; |
f1126688 | 7384 | else if (max_xri <= 1024) |
6a9c52cf | 7385 | return 100; |
f1126688 | 7386 | else |
6a9c52cf | 7387 | return 150; |
f1126688 JS |
7388 | } else |
7389 | return 0; | |
3772a991 JS |
7390 | } |
7391 | ||
7392 | /** | |
da0436e9 | 7393 | * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys |
3772a991 JS |
7394 | * @pdev: pointer to PCI device |
7395 | * @pid: pointer to PCI device identifier | |
7396 | * | |
da0436e9 JS |
7397 | * This routine is called from the kernel's PCI subsystem to device with |
7398 | * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is | |
3772a991 | 7399 | * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific |
da0436e9 JS |
7400 | * information of the device and driver to see if the driver state that it |
7401 | * can support this kind of device. If the match is successful, the driver | |
7402 | * core invokes this routine. If this routine determines it can claim the HBA, | |
7403 | * it does all the initialization that it needs to do to handle the HBA | |
7404 | * properly. | |
3772a991 JS |
7405 | * |
7406 | * Return code | |
7407 | * 0 - driver can claim the device | |
7408 | * negative value - driver can not claim the device | |
7409 | **/ | |
7410 | static int __devinit | |
da0436e9 | 7411 | lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) |
3772a991 JS |
7412 | { |
7413 | struct lpfc_hba *phba; | |
7414 | struct lpfc_vport *vport = NULL; | |
6669f9bb | 7415 | struct Scsi_Host *shost = NULL; |
3772a991 JS |
7416 | int error; |
7417 | uint32_t cfg_mode, intr_mode; | |
da0436e9 | 7418 | int mcnt; |
3772a991 JS |
7419 | |
7420 | /* Allocate memory for HBA structure */ | |
7421 | phba = lpfc_hba_alloc(pdev); | |
7422 | if (!phba) | |
7423 | return -ENOMEM; | |
7424 | ||
7425 | /* Perform generic PCI device enabling operation */ | |
7426 | error = lpfc_enable_pci_dev(phba); | |
7427 | if (error) { | |
7428 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 7429 | "1409 Failed to enable pci device.\n"); |
3772a991 JS |
7430 | goto out_free_phba; |
7431 | } | |
7432 | ||
da0436e9 JS |
7433 | /* Set up SLI API function jump table for PCI-device group-1 HBAs */ |
7434 | error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC); | |
3772a991 JS |
7435 | if (error) |
7436 | goto out_disable_pci_dev; | |
7437 | ||
da0436e9 JS |
7438 | /* Set up SLI-4 specific device PCI memory space */ |
7439 | error = lpfc_sli4_pci_mem_setup(phba); | |
3772a991 JS |
7440 | if (error) { |
7441 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 7442 | "1410 Failed to set up pci memory space.\n"); |
3772a991 JS |
7443 | goto out_disable_pci_dev; |
7444 | } | |
7445 | ||
7446 | /* Set up phase-1 common device driver resources */ | |
7447 | error = lpfc_setup_driver_resource_phase1(phba); | |
7448 | if (error) { | |
7449 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
7450 | "1411 Failed to set up driver resource.\n"); |
7451 | goto out_unset_pci_mem_s4; | |
3772a991 JS |
7452 | } |
7453 | ||
da0436e9 JS |
7454 | /* Set up SLI-4 Specific device driver resources */ |
7455 | error = lpfc_sli4_driver_resource_setup(phba); | |
3772a991 JS |
7456 | if (error) { |
7457 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
7458 | "1412 Failed to set up driver resource.\n"); |
7459 | goto out_unset_pci_mem_s4; | |
3772a991 JS |
7460 | } |
7461 | ||
7462 | /* Initialize and populate the iocb list per host */ | |
da0436e9 JS |
7463 | error = lpfc_init_iocb_list(phba, |
7464 | phba->sli4_hba.max_cfg_param.max_xri); | |
3772a991 JS |
7465 | if (error) { |
7466 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 JS |
7467 | "1413 Failed to initialize iocb list.\n"); |
7468 | goto out_unset_driver_resource_s4; | |
3772a991 JS |
7469 | } |
7470 | ||
7471 | /* Set up common device driver resources */ | |
7472 | error = lpfc_setup_driver_resource_phase2(phba); | |
7473 | if (error) { | |
7474 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 7475 | "1414 Failed to set up driver resource.\n"); |
3772a991 JS |
7476 | goto out_free_iocb_list; |
7477 | } | |
7478 | ||
7479 | /* Create SCSI host to the physical port */ | |
7480 | error = lpfc_create_shost(phba); | |
7481 | if (error) { | |
7482 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 7483 | "1415 Failed to create scsi host.\n"); |
3772a991 JS |
7484 | goto out_unset_driver_resource; |
7485 | } | |
9399627f | 7486 | |
5b75da2f | 7487 | /* Configure sysfs attributes */ |
3772a991 JS |
7488 | vport = phba->pport; |
7489 | error = lpfc_alloc_sysfs_attr(vport); | |
7490 | if (error) { | |
9399627f | 7491 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 7492 | "1416 Failed to allocate sysfs attr\n"); |
3772a991 | 7493 | goto out_destroy_shost; |
98c9ea5c | 7494 | } |
875fbdfe | 7495 | |
6669f9bb | 7496 | shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ |
3772a991 | 7497 | /* Now, trying to enable interrupt and bring up the device */ |
5b75da2f JS |
7498 | cfg_mode = phba->cfg_use_msi; |
7499 | while (true) { | |
3772a991 JS |
7500 | /* Put device to a known state before enabling interrupt */ |
7501 | lpfc_stop_port(phba); | |
5b75da2f | 7502 | /* Configure and enable interrupt */ |
da0436e9 | 7503 | intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode); |
5b75da2f JS |
7504 | if (intr_mode == LPFC_INTR_ERROR) { |
7505 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 7506 | "0426 Failed to enable interrupt.\n"); |
3772a991 | 7507 | error = -ENODEV; |
5b75da2f JS |
7508 | goto out_free_sysfs_attr; |
7509 | } | |
da0436e9 JS |
7510 | /* Set up SLI-4 HBA */ |
7511 | if (lpfc_sli4_hba_setup(phba)) { | |
5b75da2f | 7512 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 7513 | "1421 Failed to set up hba\n"); |
5b75da2f | 7514 | error = -ENODEV; |
da0436e9 | 7515 | goto out_disable_intr; |
5b75da2f JS |
7516 | } |
7517 | ||
da0436e9 JS |
7518 | /* Send NOP mbx cmds for non-INTx mode active interrupt test */ |
7519 | if (intr_mode != 0) | |
7520 | mcnt = lpfc_sli4_send_nop_mbox_cmds(phba, | |
7521 | LPFC_ACT_INTR_CNT); | |
7522 | ||
7523 | /* Check active interrupts received only for MSI/MSI-X */ | |
3772a991 | 7524 | if (intr_mode == 0 || |
da0436e9 | 7525 | phba->sli.slistat.sli_intr >= LPFC_ACT_INTR_CNT) { |
5b75da2f JS |
7526 | /* Log the current active interrupt mode */ |
7527 | phba->intr_mode = intr_mode; | |
7528 | lpfc_log_intr_mode(phba, intr_mode); | |
7529 | break; | |
5b75da2f | 7530 | } |
da0436e9 JS |
7531 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
7532 | "0451 Configure interrupt mode (%d) " | |
7533 | "failed active interrupt test.\n", | |
7534 | intr_mode); | |
7535 | /* Unset the preivous SLI-4 HBA setup */ | |
7536 | lpfc_sli4_unset_hba(phba); | |
7537 | /* Try next level of interrupt mode */ | |
7538 | cfg_mode = --intr_mode; | |
98c9ea5c | 7539 | } |
858c9f6c | 7540 | |
3772a991 JS |
7541 | /* Perform post initialization setup */ |
7542 | lpfc_post_init_setup(phba); | |
dea3101e | 7543 | |
1c6834a7 JS |
7544 | /* Check if there are static vports to be created. */ |
7545 | lpfc_create_static_vport(phba); | |
7546 | ||
dea3101e | 7547 | return 0; |
7548 | ||
da0436e9 JS |
7549 | out_disable_intr: |
7550 | lpfc_sli4_disable_intr(phba); | |
5b75da2f JS |
7551 | out_free_sysfs_attr: |
7552 | lpfc_free_sysfs_attr(vport); | |
3772a991 JS |
7553 | out_destroy_shost: |
7554 | lpfc_destroy_shost(phba); | |
7555 | out_unset_driver_resource: | |
7556 | lpfc_unset_driver_resource_phase2(phba); | |
7557 | out_free_iocb_list: | |
7558 | lpfc_free_iocb_list(phba); | |
da0436e9 JS |
7559 | out_unset_driver_resource_s4: |
7560 | lpfc_sli4_driver_resource_unset(phba); | |
7561 | out_unset_pci_mem_s4: | |
7562 | lpfc_sli4_pci_mem_unset(phba); | |
3772a991 JS |
7563 | out_disable_pci_dev: |
7564 | lpfc_disable_pci_dev(phba); | |
6669f9bb JS |
7565 | if (shost) |
7566 | scsi_host_put(shost); | |
2e0fef85 | 7567 | out_free_phba: |
3772a991 | 7568 | lpfc_hba_free(phba); |
dea3101e | 7569 | return error; |
7570 | } | |
7571 | ||
e59058c4 | 7572 | /** |
da0436e9 | 7573 | * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem |
e59058c4 JS |
7574 | * @pdev: pointer to PCI device |
7575 | * | |
da0436e9 JS |
7576 | * This routine is called from the kernel's PCI subsystem to device with |
7577 | * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is | |
3772a991 JS |
7578 | * removed from PCI bus, it performs all the necessary cleanup for the HBA |
7579 | * device to be removed from the PCI subsystem properly. | |
e59058c4 | 7580 | **/ |
dea3101e | 7581 | static void __devexit |
da0436e9 | 7582 | lpfc_pci_remove_one_s4(struct pci_dev *pdev) |
dea3101e | 7583 | { |
da0436e9 | 7584 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2e0fef85 | 7585 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
eada272d | 7586 | struct lpfc_vport **vports; |
da0436e9 | 7587 | struct lpfc_hba *phba = vport->phba; |
eada272d | 7588 | int i; |
8a4df120 | 7589 | |
da0436e9 | 7590 | /* Mark the device unloading flag */ |
549e55cd | 7591 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 7592 | vport->load_flag |= FC_UNLOADING; |
549e55cd | 7593 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 7594 | |
da0436e9 | 7595 | /* Free the HBA sysfs attributes */ |
858c9f6c JS |
7596 | lpfc_free_sysfs_attr(vport); |
7597 | ||
eada272d JS |
7598 | /* Release all the vports against this physical port */ |
7599 | vports = lpfc_create_vport_work_array(phba); | |
7600 | if (vports != NULL) | |
3772a991 | 7601 | for (i = 1; i <= phba->max_vports && vports[i] != NULL; i++) |
eada272d JS |
7602 | fc_vport_terminate(vports[i]->fc_vport); |
7603 | lpfc_destroy_vport_work_array(phba, vports); | |
7604 | ||
7605 | /* Remove FC host and then SCSI host with the physical port */ | |
858c9f6c JS |
7606 | fc_remove_host(shost); |
7607 | scsi_remove_host(shost); | |
da0436e9 JS |
7608 | |
7609 | /* Perform cleanup on the physical port */ | |
87af33fe JS |
7610 | lpfc_cleanup(vport); |
7611 | ||
2e0fef85 | 7612 | /* |
da0436e9 | 7613 | * Bring down the SLI Layer. This step disables all interrupts, |
2e0fef85 | 7614 | * clears the rings, discards all mailbox commands, and resets |
da0436e9 | 7615 | * the HBA FCoE function. |
2e0fef85 | 7616 | */ |
da0436e9 JS |
7617 | lpfc_debugfs_terminate(vport); |
7618 | lpfc_sli4_hba_unset(phba); | |
a257bf90 | 7619 | |
858c9f6c JS |
7620 | spin_lock_irq(&phba->hbalock); |
7621 | list_del_init(&vport->listentry); | |
7622 | spin_unlock_irq(&phba->hbalock); | |
7623 | ||
da0436e9 JS |
7624 | /* Call scsi_free before lpfc_sli4_driver_resource_unset since scsi |
7625 | * buffers are released to their corresponding pools here. | |
2e0fef85 JS |
7626 | */ |
7627 | lpfc_scsi_free(phba); | |
da0436e9 | 7628 | lpfc_sli4_driver_resource_unset(phba); |
ed957684 | 7629 | |
da0436e9 JS |
7630 | /* Unmap adapter Control and Doorbell registers */ |
7631 | lpfc_sli4_pci_mem_unset(phba); | |
2e0fef85 | 7632 | |
da0436e9 JS |
7633 | /* Release PCI resources and disable device's PCI function */ |
7634 | scsi_host_put(shost); | |
7635 | lpfc_disable_pci_dev(phba); | |
2e0fef85 | 7636 | |
da0436e9 | 7637 | /* Finally, free the driver's device data structure */ |
3772a991 | 7638 | lpfc_hba_free(phba); |
2e0fef85 | 7639 | |
da0436e9 | 7640 | return; |
dea3101e | 7641 | } |
7642 | ||
3a55b532 | 7643 | /** |
da0436e9 | 7644 | * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt |
3a55b532 JS |
7645 | * @pdev: pointer to PCI device |
7646 | * @msg: power management message | |
7647 | * | |
da0436e9 JS |
7648 | * This routine is called from the kernel's PCI subsystem to support system |
7649 | * Power Management (PM) to device with SLI-4 interface spec. When PM invokes | |
7650 | * this method, it quiesces the device by stopping the driver's worker | |
7651 | * thread for the device, turning off device's interrupt and DMA, and bring | |
7652 | * the device offline. Note that as the driver implements the minimum PM | |
7653 | * requirements to a power-aware driver's PM support for suspend/resume -- all | |
7654 | * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend() | |
7655 | * method call will be treated as SUSPEND and the driver will fully | |
7656 | * reinitialize its device during resume() method call, the driver will set | |
7657 | * device to PCI_D3hot state in PCI config space instead of setting it | |
3772a991 | 7658 | * according to the @msg provided by the PM. |
3a55b532 JS |
7659 | * |
7660 | * Return code | |
3772a991 JS |
7661 | * 0 - driver suspended the device |
7662 | * Error otherwise | |
3a55b532 JS |
7663 | **/ |
7664 | static int | |
da0436e9 | 7665 | lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg) |
3a55b532 JS |
7666 | { |
7667 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7668 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7669 | ||
7670 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
da0436e9 | 7671 | "0298 PCI device Power Management suspend.\n"); |
3a55b532 JS |
7672 | |
7673 | /* Bring down the device */ | |
7674 | lpfc_offline_prep(phba); | |
7675 | lpfc_offline(phba); | |
7676 | kthread_stop(phba->worker_thread); | |
7677 | ||
7678 | /* Disable interrupt from device */ | |
da0436e9 | 7679 | lpfc_sli4_disable_intr(phba); |
3a55b532 JS |
7680 | |
7681 | /* Save device state to PCI config space */ | |
7682 | pci_save_state(pdev); | |
7683 | pci_set_power_state(pdev, PCI_D3hot); | |
7684 | ||
7685 | return 0; | |
7686 | } | |
7687 | ||
7688 | /** | |
da0436e9 | 7689 | * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt |
3a55b532 JS |
7690 | * @pdev: pointer to PCI device |
7691 | * | |
da0436e9 JS |
7692 | * This routine is called from the kernel's PCI subsystem to support system |
7693 | * Power Management (PM) to device with SLI-4 interface spac. When PM invokes | |
7694 | * this method, it restores the device's PCI config space state and fully | |
7695 | * reinitializes the device and brings it online. Note that as the driver | |
7696 | * implements the minimum PM requirements to a power-aware driver's PM for | |
7697 | * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE) | |
7698 | * to the suspend() method call will be treated as SUSPEND and the driver | |
7699 | * will fully reinitialize its device during resume() method call, the device | |
7700 | * will be set to PCI_D0 directly in PCI config space before restoring the | |
7701 | * state. | |
3a55b532 JS |
7702 | * |
7703 | * Return code | |
3772a991 JS |
7704 | * 0 - driver suspended the device |
7705 | * Error otherwise | |
3a55b532 JS |
7706 | **/ |
7707 | static int | |
da0436e9 | 7708 | lpfc_pci_resume_one_s4(struct pci_dev *pdev) |
3a55b532 JS |
7709 | { |
7710 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7711 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
5b75da2f | 7712 | uint32_t intr_mode; |
3a55b532 JS |
7713 | int error; |
7714 | ||
7715 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
da0436e9 | 7716 | "0292 PCI device Power Management resume.\n"); |
3a55b532 JS |
7717 | |
7718 | /* Restore device state from PCI config space */ | |
7719 | pci_set_power_state(pdev, PCI_D0); | |
7720 | pci_restore_state(pdev); | |
7721 | if (pdev->is_busmaster) | |
7722 | pci_set_master(pdev); | |
7723 | ||
da0436e9 | 7724 | /* Startup the kernel thread for this host adapter. */ |
3a55b532 JS |
7725 | phba->worker_thread = kthread_run(lpfc_do_work, phba, |
7726 | "lpfc_worker_%d", phba->brd_no); | |
7727 | if (IS_ERR(phba->worker_thread)) { | |
7728 | error = PTR_ERR(phba->worker_thread); | |
7729 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
da0436e9 | 7730 | "0293 PM resume failed to start worker " |
3a55b532 JS |
7731 | "thread: error=x%x.\n", error); |
7732 | return error; | |
7733 | } | |
7734 | ||
5b75da2f | 7735 | /* Configure and enable interrupt */ |
da0436e9 | 7736 | intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); |
5b75da2f | 7737 | if (intr_mode == LPFC_INTR_ERROR) { |
3a55b532 | 7738 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
da0436e9 | 7739 | "0294 PM resume Failed to enable interrupt\n"); |
5b75da2f JS |
7740 | return -EIO; |
7741 | } else | |
7742 | phba->intr_mode = intr_mode; | |
3a55b532 JS |
7743 | |
7744 | /* Restart HBA and bring it online */ | |
7745 | lpfc_sli_brdrestart(phba); | |
7746 | lpfc_online(phba); | |
7747 | ||
5b75da2f JS |
7748 | /* Log the current active interrupt mode */ |
7749 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
7750 | ||
3a55b532 JS |
7751 | return 0; |
7752 | } | |
7753 | ||
8d63f375 | 7754 | /** |
da0436e9 | 7755 | * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device |
e59058c4 JS |
7756 | * @pdev: pointer to PCI device. |
7757 | * @state: the current PCI connection state. | |
8d63f375 | 7758 | * |
da0436e9 JS |
7759 | * This routine is called from the PCI subsystem for error handling to device |
7760 | * with SLI-4 interface spec. This function is called by the PCI subsystem | |
7761 | * after a PCI bus error affecting this device has been detected. When this | |
7762 | * function is invoked, it will need to stop all the I/Os and interrupt(s) | |
7763 | * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET | |
7764 | * for the PCI subsystem to perform proper recovery as desired. | |
e59058c4 JS |
7765 | * |
7766 | * Return codes | |
3772a991 JS |
7767 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery |
7768 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
e59058c4 | 7769 | **/ |
3772a991 | 7770 | static pci_ers_result_t |
da0436e9 | 7771 | lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state) |
8d63f375 | 7772 | { |
8d63f375 LV |
7773 | return PCI_ERS_RESULT_NEED_RESET; |
7774 | } | |
7775 | ||
7776 | /** | |
da0436e9 | 7777 | * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch |
e59058c4 JS |
7778 | * @pdev: pointer to PCI device. |
7779 | * | |
da0436e9 JS |
7780 | * This routine is called from the PCI subsystem for error handling to device |
7781 | * with SLI-4 interface spec. It is called after PCI bus has been reset to | |
7782 | * restart the PCI card from scratch, as if from a cold-boot. During the | |
7783 | * PCI subsystem error recovery, after the driver returns | |
3772a991 | 7784 | * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error |
da0436e9 JS |
7785 | * recovery and then call this routine before calling the .resume method to |
7786 | * recover the device. This function will initialize the HBA device, enable | |
7787 | * the interrupt, but it will just put the HBA to offline state without | |
7788 | * passing any I/O traffic. | |
8d63f375 | 7789 | * |
e59058c4 | 7790 | * Return codes |
3772a991 JS |
7791 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered |
7792 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
8d63f375 | 7793 | */ |
3772a991 | 7794 | static pci_ers_result_t |
da0436e9 | 7795 | lpfc_io_slot_reset_s4(struct pci_dev *pdev) |
8d63f375 | 7796 | { |
8d63f375 LV |
7797 | return PCI_ERS_RESULT_RECOVERED; |
7798 | } | |
7799 | ||
7800 | /** | |
da0436e9 | 7801 | * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device |
e59058c4 | 7802 | * @pdev: pointer to PCI device |
8d63f375 | 7803 | * |
3772a991 | 7804 | * This routine is called from the PCI subsystem for error handling to device |
da0436e9 | 7805 | * with SLI-4 interface spec. It is called when kernel error recovery tells |
3772a991 JS |
7806 | * the lpfc driver that it is ok to resume normal PCI operation after PCI bus |
7807 | * error recovery. After this call, traffic can start to flow from this device | |
7808 | * again. | |
da0436e9 | 7809 | **/ |
3772a991 | 7810 | static void |
da0436e9 | 7811 | lpfc_io_resume_s4(struct pci_dev *pdev) |
8d63f375 | 7812 | { |
da0436e9 | 7813 | return; |
8d63f375 LV |
7814 | } |
7815 | ||
3772a991 JS |
7816 | /** |
7817 | * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem | |
7818 | * @pdev: pointer to PCI device | |
7819 | * @pid: pointer to PCI device identifier | |
7820 | * | |
7821 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
7822 | * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks | |
7823 | * at PCI device-specific information of the device and driver to see if the | |
7824 | * driver state that it can support this kind of device. If the match is | |
7825 | * successful, the driver core invokes this routine. This routine dispatches | |
7826 | * the action to the proper SLI-3 or SLI-4 device probing routine, which will | |
7827 | * do all the initialization that it needs to do to handle the HBA device | |
7828 | * properly. | |
7829 | * | |
7830 | * Return code | |
7831 | * 0 - driver can claim the device | |
7832 | * negative value - driver can not claim the device | |
7833 | **/ | |
7834 | static int __devinit | |
7835 | lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) | |
7836 | { | |
7837 | int rc; | |
8fa38513 | 7838 | struct lpfc_sli_intf intf; |
3772a991 | 7839 | |
8fa38513 | 7840 | if (pci_read_config_dword(pdev, LPFC_SLIREV_CONF_WORD, &intf.word0)) |
3772a991 JS |
7841 | return -ENODEV; |
7842 | ||
8fa38513 JS |
7843 | if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) && |
7844 | (bf_get(lpfc_sli_intf_rev, &intf) == LPFC_SLIREV_CONF_SLI4)) | |
da0436e9 | 7845 | rc = lpfc_pci_probe_one_s4(pdev, pid); |
8fa38513 | 7846 | else |
3772a991 | 7847 | rc = lpfc_pci_probe_one_s3(pdev, pid); |
8fa38513 | 7848 | |
3772a991 JS |
7849 | return rc; |
7850 | } | |
7851 | ||
7852 | /** | |
7853 | * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem | |
7854 | * @pdev: pointer to PCI device | |
7855 | * | |
7856 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
7857 | * Emulex HBA is removed from PCI bus, the driver core invokes this routine. | |
7858 | * This routine dispatches the action to the proper SLI-3 or SLI-4 device | |
7859 | * remove routine, which will perform all the necessary cleanup for the | |
7860 | * device to be removed from the PCI subsystem properly. | |
7861 | **/ | |
7862 | static void __devexit | |
7863 | lpfc_pci_remove_one(struct pci_dev *pdev) | |
7864 | { | |
7865 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7866 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7867 | ||
7868 | switch (phba->pci_dev_grp) { | |
7869 | case LPFC_PCI_DEV_LP: | |
7870 | lpfc_pci_remove_one_s3(pdev); | |
7871 | break; | |
da0436e9 JS |
7872 | case LPFC_PCI_DEV_OC: |
7873 | lpfc_pci_remove_one_s4(pdev); | |
7874 | break; | |
3772a991 JS |
7875 | default: |
7876 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7877 | "1424 Invalid PCI device group: 0x%x\n", | |
7878 | phba->pci_dev_grp); | |
7879 | break; | |
7880 | } | |
7881 | return; | |
7882 | } | |
7883 | ||
7884 | /** | |
7885 | * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management | |
7886 | * @pdev: pointer to PCI device | |
7887 | * @msg: power management message | |
7888 | * | |
7889 | * This routine is to be registered to the kernel's PCI subsystem to support | |
7890 | * system Power Management (PM). When PM invokes this method, it dispatches | |
7891 | * the action to the proper SLI-3 or SLI-4 device suspend routine, which will | |
7892 | * suspend the device. | |
7893 | * | |
7894 | * Return code | |
7895 | * 0 - driver suspended the device | |
7896 | * Error otherwise | |
7897 | **/ | |
7898 | static int | |
7899 | lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg) | |
7900 | { | |
7901 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7902 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7903 | int rc = -ENODEV; | |
7904 | ||
7905 | switch (phba->pci_dev_grp) { | |
7906 | case LPFC_PCI_DEV_LP: | |
7907 | rc = lpfc_pci_suspend_one_s3(pdev, msg); | |
7908 | break; | |
da0436e9 JS |
7909 | case LPFC_PCI_DEV_OC: |
7910 | rc = lpfc_pci_suspend_one_s4(pdev, msg); | |
7911 | break; | |
3772a991 JS |
7912 | default: |
7913 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7914 | "1425 Invalid PCI device group: 0x%x\n", | |
7915 | phba->pci_dev_grp); | |
7916 | break; | |
7917 | } | |
7918 | return rc; | |
7919 | } | |
7920 | ||
7921 | /** | |
7922 | * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management | |
7923 | * @pdev: pointer to PCI device | |
7924 | * | |
7925 | * This routine is to be registered to the kernel's PCI subsystem to support | |
7926 | * system Power Management (PM). When PM invokes this method, it dispatches | |
7927 | * the action to the proper SLI-3 or SLI-4 device resume routine, which will | |
7928 | * resume the device. | |
7929 | * | |
7930 | * Return code | |
7931 | * 0 - driver suspended the device | |
7932 | * Error otherwise | |
7933 | **/ | |
7934 | static int | |
7935 | lpfc_pci_resume_one(struct pci_dev *pdev) | |
7936 | { | |
7937 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7938 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7939 | int rc = -ENODEV; | |
7940 | ||
7941 | switch (phba->pci_dev_grp) { | |
7942 | case LPFC_PCI_DEV_LP: | |
7943 | rc = lpfc_pci_resume_one_s3(pdev); | |
7944 | break; | |
da0436e9 JS |
7945 | case LPFC_PCI_DEV_OC: |
7946 | rc = lpfc_pci_resume_one_s4(pdev); | |
7947 | break; | |
3772a991 JS |
7948 | default: |
7949 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7950 | "1426 Invalid PCI device group: 0x%x\n", | |
7951 | phba->pci_dev_grp); | |
7952 | break; | |
7953 | } | |
7954 | return rc; | |
7955 | } | |
7956 | ||
7957 | /** | |
7958 | * lpfc_io_error_detected - lpfc method for handling PCI I/O error | |
7959 | * @pdev: pointer to PCI device. | |
7960 | * @state: the current PCI connection state. | |
7961 | * | |
7962 | * This routine is registered to the PCI subsystem for error handling. This | |
7963 | * function is called by the PCI subsystem after a PCI bus error affecting | |
7964 | * this device has been detected. When this routine is invoked, it dispatches | |
7965 | * the action to the proper SLI-3 or SLI-4 device error detected handling | |
7966 | * routine, which will perform the proper error detected operation. | |
7967 | * | |
7968 | * Return codes | |
7969 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery | |
7970 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
7971 | **/ | |
7972 | static pci_ers_result_t | |
7973 | lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
7974 | { | |
7975 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7976 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
7977 | pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; | |
7978 | ||
7979 | switch (phba->pci_dev_grp) { | |
7980 | case LPFC_PCI_DEV_LP: | |
7981 | rc = lpfc_io_error_detected_s3(pdev, state); | |
7982 | break; | |
da0436e9 JS |
7983 | case LPFC_PCI_DEV_OC: |
7984 | rc = lpfc_io_error_detected_s4(pdev, state); | |
7985 | break; | |
3772a991 JS |
7986 | default: |
7987 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7988 | "1427 Invalid PCI device group: 0x%x\n", | |
7989 | phba->pci_dev_grp); | |
7990 | break; | |
7991 | } | |
7992 | return rc; | |
7993 | } | |
7994 | ||
7995 | /** | |
7996 | * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch | |
7997 | * @pdev: pointer to PCI device. | |
7998 | * | |
7999 | * This routine is registered to the PCI subsystem for error handling. This | |
8000 | * function is called after PCI bus has been reset to restart the PCI card | |
8001 | * from scratch, as if from a cold-boot. When this routine is invoked, it | |
8002 | * dispatches the action to the proper SLI-3 or SLI-4 device reset handling | |
8003 | * routine, which will perform the proper device reset. | |
8004 | * | |
8005 | * Return codes | |
8006 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
8007 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
8008 | **/ | |
8009 | static pci_ers_result_t | |
8010 | lpfc_io_slot_reset(struct pci_dev *pdev) | |
8011 | { | |
8012 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
8013 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8014 | pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; | |
8015 | ||
8016 | switch (phba->pci_dev_grp) { | |
8017 | case LPFC_PCI_DEV_LP: | |
8018 | rc = lpfc_io_slot_reset_s3(pdev); | |
8019 | break; | |
da0436e9 JS |
8020 | case LPFC_PCI_DEV_OC: |
8021 | rc = lpfc_io_slot_reset_s4(pdev); | |
8022 | break; | |
3772a991 JS |
8023 | default: |
8024 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8025 | "1428 Invalid PCI device group: 0x%x\n", | |
8026 | phba->pci_dev_grp); | |
8027 | break; | |
8028 | } | |
8029 | return rc; | |
8030 | } | |
8031 | ||
8032 | /** | |
8033 | * lpfc_io_resume - lpfc method for resuming PCI I/O operation | |
8034 | * @pdev: pointer to PCI device | |
8035 | * | |
8036 | * This routine is registered to the PCI subsystem for error handling. It | |
8037 | * is called when kernel error recovery tells the lpfc driver that it is | |
8038 | * OK to resume normal PCI operation after PCI bus error recovery. When | |
8039 | * this routine is invoked, it dispatches the action to the proper SLI-3 | |
8040 | * or SLI-4 device io_resume routine, which will resume the device operation. | |
8041 | **/ | |
8042 | static void | |
8043 | lpfc_io_resume(struct pci_dev *pdev) | |
8044 | { | |
8045 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
8046 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8047 | ||
8048 | switch (phba->pci_dev_grp) { | |
8049 | case LPFC_PCI_DEV_LP: | |
8050 | lpfc_io_resume_s3(pdev); | |
8051 | break; | |
da0436e9 JS |
8052 | case LPFC_PCI_DEV_OC: |
8053 | lpfc_io_resume_s4(pdev); | |
8054 | break; | |
3772a991 JS |
8055 | default: |
8056 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8057 | "1429 Invalid PCI device group: 0x%x\n", | |
8058 | phba->pci_dev_grp); | |
8059 | break; | |
8060 | } | |
8061 | return; | |
8062 | } | |
8063 | ||
dea3101e | 8064 | static struct pci_device_id lpfc_id_table[] = { |
8065 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, | |
8066 | PCI_ANY_ID, PCI_ANY_ID, }, | |
06325e74 JSEC |
8067 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, |
8068 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 8069 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, |
8070 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8071 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, | |
8072 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8073 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, | |
8074 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8075 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, | |
8076 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8077 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, | |
8078 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8079 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, | |
8080 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8081 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, | |
8082 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
8083 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, |
8084 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8085 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, | |
8086 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8087 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, | |
8088 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 8089 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, |
8090 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
8091 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, |
8092 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8093 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, | |
8094 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 8095 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, |
8096 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8097 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, | |
8098 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8099 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, | |
8100 | PCI_ANY_ID, PCI_ANY_ID, }, | |
84774a4d JS |
8101 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET, |
8102 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
8103 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, |
8104 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8105 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, | |
8106 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 8107 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, |
8108 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8109 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, | |
8110 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8111 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, | |
8112 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8113 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, | |
8114 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8115 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, | |
8116 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
8117 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, |
8118 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8119 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, | |
8120 | PCI_ANY_ID, PCI_ANY_ID, }, | |
b87eab38 JS |
8121 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, |
8122 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8123 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, | |
8124 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8125 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, | |
8126 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8127 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, | |
8128 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8129 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, | |
8130 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8131 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, | |
8132 | PCI_ANY_ID, PCI_ANY_ID, }, | |
84774a4d JS |
8133 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF, |
8134 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8135 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF, | |
8136 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8137 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S, | |
8138 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3772a991 JS |
8139 | {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK, |
8140 | PCI_ANY_ID, PCI_ANY_ID, }, | |
a747c9ce JS |
8141 | {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TOMCAT, |
8142 | PCI_ANY_ID, PCI_ANY_ID, }, | |
8143 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FALCON, | |
6669f9bb | 8144 | PCI_ANY_ID, PCI_ANY_ID, }, |
dea3101e | 8145 | { 0 } |
8146 | }; | |
8147 | ||
8148 | MODULE_DEVICE_TABLE(pci, lpfc_id_table); | |
8149 | ||
8d63f375 LV |
8150 | static struct pci_error_handlers lpfc_err_handler = { |
8151 | .error_detected = lpfc_io_error_detected, | |
8152 | .slot_reset = lpfc_io_slot_reset, | |
8153 | .resume = lpfc_io_resume, | |
8154 | }; | |
8155 | ||
dea3101e | 8156 | static struct pci_driver lpfc_driver = { |
8157 | .name = LPFC_DRIVER_NAME, | |
8158 | .id_table = lpfc_id_table, | |
8159 | .probe = lpfc_pci_probe_one, | |
8160 | .remove = __devexit_p(lpfc_pci_remove_one), | |
3a55b532 | 8161 | .suspend = lpfc_pci_suspend_one, |
3772a991 | 8162 | .resume = lpfc_pci_resume_one, |
2e0fef85 | 8163 | .err_handler = &lpfc_err_handler, |
dea3101e | 8164 | }; |
8165 | ||
e59058c4 | 8166 | /** |
3621a710 | 8167 | * lpfc_init - lpfc module initialization routine |
e59058c4 JS |
8168 | * |
8169 | * This routine is to be invoked when the lpfc module is loaded into the | |
8170 | * kernel. The special kernel macro module_init() is used to indicate the | |
8171 | * role of this routine to the kernel as lpfc module entry point. | |
8172 | * | |
8173 | * Return codes | |
8174 | * 0 - successful | |
8175 | * -ENOMEM - FC attach transport failed | |
8176 | * all others - failed | |
8177 | */ | |
dea3101e | 8178 | static int __init |
8179 | lpfc_init(void) | |
8180 | { | |
8181 | int error = 0; | |
8182 | ||
8183 | printk(LPFC_MODULE_DESC "\n"); | |
c44ce173 | 8184 | printk(LPFC_COPYRIGHT "\n"); |
dea3101e | 8185 | |
7ee5d43e JS |
8186 | if (lpfc_enable_npiv) { |
8187 | lpfc_transport_functions.vport_create = lpfc_vport_create; | |
8188 | lpfc_transport_functions.vport_delete = lpfc_vport_delete; | |
8189 | } | |
dea3101e | 8190 | lpfc_transport_template = |
8191 | fc_attach_transport(&lpfc_transport_functions); | |
7ee5d43e | 8192 | if (lpfc_transport_template == NULL) |
dea3101e | 8193 | return -ENOMEM; |
7ee5d43e | 8194 | if (lpfc_enable_npiv) { |
7ee5d43e | 8195 | lpfc_vport_transport_template = |
98c9ea5c JS |
8196 | fc_attach_transport(&lpfc_vport_transport_functions); |
8197 | if (lpfc_vport_transport_template == NULL) { | |
8198 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e | 8199 | return -ENOMEM; |
98c9ea5c | 8200 | } |
7ee5d43e | 8201 | } |
dea3101e | 8202 | error = pci_register_driver(&lpfc_driver); |
92d7f7b0 | 8203 | if (error) { |
dea3101e | 8204 | fc_release_transport(lpfc_transport_template); |
d7c255b2 JS |
8205 | if (lpfc_enable_npiv) |
8206 | fc_release_transport(lpfc_vport_transport_template); | |
92d7f7b0 | 8207 | } |
dea3101e | 8208 | |
8209 | return error; | |
8210 | } | |
8211 | ||
e59058c4 | 8212 | /** |
3621a710 | 8213 | * lpfc_exit - lpfc module removal routine |
e59058c4 JS |
8214 | * |
8215 | * This routine is invoked when the lpfc module is removed from the kernel. | |
8216 | * The special kernel macro module_exit() is used to indicate the role of | |
8217 | * this routine to the kernel as lpfc module exit point. | |
8218 | */ | |
dea3101e | 8219 | static void __exit |
8220 | lpfc_exit(void) | |
8221 | { | |
8222 | pci_unregister_driver(&lpfc_driver); | |
8223 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e JS |
8224 | if (lpfc_enable_npiv) |
8225 | fc_release_transport(lpfc_vport_transport_template); | |
81301a9b | 8226 | if (_dump_buf_data) { |
6a9c52cf JS |
8227 | printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for " |
8228 | "_dump_buf_data at 0x%p\n", | |
81301a9b JS |
8229 | (1L << _dump_buf_data_order), _dump_buf_data); |
8230 | free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order); | |
8231 | } | |
8232 | ||
8233 | if (_dump_buf_dif) { | |
6a9c52cf JS |
8234 | printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for " |
8235 | "_dump_buf_dif at 0x%p\n", | |
81301a9b JS |
8236 | (1L << _dump_buf_dif_order), _dump_buf_dif); |
8237 | free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order); | |
8238 | } | |
dea3101e | 8239 | } |
8240 | ||
8241 | module_init(lpfc_init); | |
8242 | module_exit(lpfc_exit); | |
8243 | MODULE_LICENSE("GPL"); | |
8244 | MODULE_DESCRIPTION(LPFC_MODULE_DESC); | |
8245 | MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); | |
8246 | MODULE_VERSION("0:" LPFC_DRIVER_VERSION); |