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. * |
e47c9093 | 4 | * Copyright (C) 2004-2008 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> |
dea3101e | 31 | |
91886523 | 32 | #include <scsi/scsi.h> |
dea3101e | 33 | #include <scsi/scsi_device.h> |
34 | #include <scsi/scsi_host.h> | |
35 | #include <scsi/scsi_transport_fc.h> | |
36 | ||
37 | #include "lpfc_hw.h" | |
38 | #include "lpfc_sli.h" | |
ea2151b4 | 39 | #include "lpfc_nl.h" |
dea3101e | 40 | #include "lpfc_disc.h" |
41 | #include "lpfc_scsi.h" | |
42 | #include "lpfc.h" | |
43 | #include "lpfc_logmsg.h" | |
44 | #include "lpfc_crtn.h" | |
92d7f7b0 | 45 | #include "lpfc_vport.h" |
dea3101e | 46 | #include "lpfc_version.h" |
47 | ||
74b72a59 | 48 | static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int); |
dea3101e | 49 | static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); |
50 | static int lpfc_post_rcv_buf(struct lpfc_hba *); | |
51 | ||
52 | static struct scsi_transport_template *lpfc_transport_template = NULL; | |
92d7f7b0 | 53 | static struct scsi_transport_template *lpfc_vport_transport_template = NULL; |
dea3101e | 54 | static DEFINE_IDR(lpfc_hba_index); |
55 | ||
e59058c4 JS |
56 | /** |
57 | * lpfc_config_port_prep: Perform lpfc initialization prior to config port. | |
58 | * @phba: pointer to lpfc hba data structure. | |
59 | * | |
60 | * This routine will do LPFC initialization prior to issuing the CONFIG_PORT | |
61 | * mailbox command. It retrieves the revision information from the HBA and | |
62 | * collects the Vital Product Data (VPD) about the HBA for preparing the | |
63 | * configuration of the HBA. | |
64 | * | |
65 | * Return codes: | |
66 | * 0 - success. | |
67 | * -ERESTART - requests the SLI layer to reset the HBA and try again. | |
68 | * Any other value - indicates an error. | |
69 | **/ | |
dea3101e | 70 | int |
2e0fef85 | 71 | lpfc_config_port_prep(struct lpfc_hba *phba) |
dea3101e | 72 | { |
73 | lpfc_vpd_t *vp = &phba->vpd; | |
74 | int i = 0, rc; | |
75 | LPFC_MBOXQ_t *pmb; | |
76 | MAILBOX_t *mb; | |
77 | char *lpfc_vpd_data = NULL; | |
78 | uint16_t offset = 0; | |
79 | static char licensed[56] = | |
80 | "key unlock for use with gnu public licensed code only\0"; | |
65a29c16 | 81 | static int init_key = 1; |
dea3101e | 82 | |
83 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
84 | if (!pmb) { | |
2e0fef85 | 85 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 86 | return -ENOMEM; |
87 | } | |
88 | ||
89 | mb = &pmb->mb; | |
2e0fef85 | 90 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e | 91 | |
92 | if (lpfc_is_LC_HBA(phba->pcidev->device)) { | |
65a29c16 JS |
93 | if (init_key) { |
94 | uint32_t *ptext = (uint32_t *) licensed; | |
dea3101e | 95 | |
65a29c16 JS |
96 | for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) |
97 | *ptext = cpu_to_be32(*ptext); | |
98 | init_key = 0; | |
99 | } | |
dea3101e | 100 | |
101 | lpfc_read_nv(phba, pmb); | |
102 | memset((char*)mb->un.varRDnvp.rsvd3, 0, | |
103 | sizeof (mb->un.varRDnvp.rsvd3)); | |
104 | memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, | |
105 | sizeof (licensed)); | |
106 | ||
107 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
108 | ||
109 | if (rc != MBX_SUCCESS) { | |
ed957684 | 110 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
e8b62011 | 111 | "0324 Config Port initialization " |
dea3101e | 112 | "error, mbxCmd x%x READ_NVPARM, " |
113 | "mbxStatus x%x\n", | |
dea3101e | 114 | mb->mbxCommand, mb->mbxStatus); |
115 | mempool_free(pmb, phba->mbox_mem_pool); | |
116 | return -ERESTART; | |
117 | } | |
118 | memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, | |
2e0fef85 JS |
119 | sizeof(phba->wwnn)); |
120 | memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname, | |
121 | sizeof(phba->wwpn)); | |
dea3101e | 122 | } |
123 | ||
92d7f7b0 JS |
124 | phba->sli3_options = 0x0; |
125 | ||
dea3101e | 126 | /* Setup and issue mailbox READ REV command */ |
127 | lpfc_read_rev(phba, pmb); | |
128 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
129 | if (rc != MBX_SUCCESS) { | |
ed957684 | 130 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 131 | "0439 Adapter failed to init, mbxCmd x%x " |
dea3101e | 132 | "READ_REV, mbxStatus x%x\n", |
dea3101e | 133 | mb->mbxCommand, mb->mbxStatus); |
134 | mempool_free( pmb, phba->mbox_mem_pool); | |
135 | return -ERESTART; | |
136 | } | |
137 | ||
92d7f7b0 | 138 | |
1de933f3 JSEC |
139 | /* |
140 | * The value of rr must be 1 since the driver set the cv field to 1. | |
141 | * This setting requires the FW to set all revision fields. | |
dea3101e | 142 | */ |
1de933f3 | 143 | if (mb->un.varRdRev.rr == 0) { |
dea3101e | 144 | vp->rev.rBit = 0; |
1de933f3 | 145 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 JS |
146 | "0440 Adapter failed to init, READ_REV has " |
147 | "missing revision information.\n"); | |
dea3101e | 148 | mempool_free(pmb, phba->mbox_mem_pool); |
149 | return -ERESTART; | |
dea3101e | 150 | } |
151 | ||
495a714c JS |
152 | if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) { |
153 | mempool_free(pmb, phba->mbox_mem_pool); | |
ed957684 | 154 | return -EINVAL; |
495a714c | 155 | } |
ed957684 | 156 | |
dea3101e | 157 | /* Save information as VPD data */ |
1de933f3 | 158 | vp->rev.rBit = 1; |
92d7f7b0 | 159 | memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t)); |
1de933f3 JSEC |
160 | vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; |
161 | memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); | |
162 | vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; | |
163 | memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); | |
dea3101e | 164 | vp->rev.biuRev = mb->un.varRdRev.biuRev; |
165 | vp->rev.smRev = mb->un.varRdRev.smRev; | |
166 | vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; | |
167 | vp->rev.endecRev = mb->un.varRdRev.endecRev; | |
168 | vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; | |
169 | vp->rev.fcphLow = mb->un.varRdRev.fcphLow; | |
170 | vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; | |
171 | vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; | |
172 | vp->rev.postKernRev = mb->un.varRdRev.postKernRev; | |
173 | vp->rev.opFwRev = mb->un.varRdRev.opFwRev; | |
174 | ||
92d7f7b0 JS |
175 | /* If the sli feature level is less then 9, we must |
176 | * tear down all RPIs and VPIs on link down if NPIV | |
177 | * is enabled. | |
178 | */ | |
179 | if (vp->rev.feaLevelHigh < 9) | |
180 | phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN; | |
181 | ||
dea3101e | 182 | if (lpfc_is_LC_HBA(phba->pcidev->device)) |
183 | memcpy(phba->RandomData, (char *)&mb->un.varWords[24], | |
184 | sizeof (phba->RandomData)); | |
185 | ||
dea3101e | 186 | /* Get adapter VPD information */ |
dea3101e | 187 | lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); |
188 | if (!lpfc_vpd_data) | |
d7c255b2 | 189 | goto out_free_mbox; |
dea3101e | 190 | |
191 | do { | |
192 | lpfc_dump_mem(phba, pmb, offset); | |
193 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
194 | ||
195 | if (rc != MBX_SUCCESS) { | |
196 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 | 197 | "0441 VPD not present on adapter, " |
dea3101e | 198 | "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", |
dea3101e | 199 | mb->mbxCommand, mb->mbxStatus); |
74b72a59 | 200 | mb->un.varDmp.word_cnt = 0; |
dea3101e | 201 | } |
74b72a59 JW |
202 | if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) |
203 | mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; | |
d7c255b2 JS |
204 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, |
205 | lpfc_vpd_data + offset, | |
92d7f7b0 | 206 | mb->un.varDmp.word_cnt); |
dea3101e | 207 | offset += mb->un.varDmp.word_cnt; |
74b72a59 JW |
208 | } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); |
209 | lpfc_parse_vpd(phba, lpfc_vpd_data, offset); | |
dea3101e | 210 | |
211 | kfree(lpfc_vpd_data); | |
dea3101e | 212 | out_free_mbox: |
213 | mempool_free(pmb, phba->mbox_mem_pool); | |
214 | return 0; | |
215 | } | |
216 | ||
e59058c4 JS |
217 | /** |
218 | * lpfc_config_async_cmpl: Completion handler for config async event mbox cmd. | |
219 | * @phba: pointer to lpfc hba data structure. | |
220 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
221 | * | |
222 | * This is the completion handler for driver's configuring asynchronous event | |
223 | * mailbox command to the device. If the mailbox command returns successfully, | |
224 | * it will set internal async event support flag to 1; otherwise, it will | |
225 | * set internal async event support flag to 0. | |
226 | **/ | |
57127f15 JS |
227 | static void |
228 | lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
229 | { | |
230 | if (pmboxq->mb.mbxStatus == MBX_SUCCESS) | |
231 | phba->temp_sensor_support = 1; | |
232 | else | |
233 | phba->temp_sensor_support = 0; | |
234 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
235 | return; | |
236 | } | |
237 | ||
97207482 JS |
238 | /** |
239 | * lpfc_dump_wakeup_param_cmpl: Completion handler for dump memory mailbox | |
240 | * command used for getting wake up parameters. | |
241 | * @phba: pointer to lpfc hba data structure. | |
242 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
243 | * | |
244 | * This is the completion handler for dump mailbox command for getting | |
245 | * wake up parameters. When this command complete, the response contain | |
246 | * Option rom version of the HBA. This function translate the version number | |
247 | * into a human readable string and store it in OptionROMVersion. | |
248 | **/ | |
249 | static void | |
250 | lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) | |
251 | { | |
252 | struct prog_id *prg; | |
253 | uint32_t prog_id_word; | |
254 | char dist = ' '; | |
255 | /* character array used for decoding dist type. */ | |
256 | char dist_char[] = "nabx"; | |
257 | ||
258 | if (pmboxq->mb.mbxStatus != MBX_SUCCESS) | |
259 | return; | |
260 | ||
261 | prg = (struct prog_id *) &prog_id_word; | |
262 | ||
263 | /* word 7 contain option rom version */ | |
264 | prog_id_word = pmboxq->mb.un.varWords[7]; | |
265 | ||
266 | /* Decode the Option rom version word to a readable string */ | |
267 | if (prg->dist < 4) | |
268 | dist = dist_char[prg->dist]; | |
269 | ||
270 | if ((prg->dist == 3) && (prg->num == 0)) | |
271 | sprintf(phba->OptionROMVersion, "%d.%d%d", | |
272 | prg->ver, prg->rev, prg->lev); | |
273 | else | |
274 | sprintf(phba->OptionROMVersion, "%d.%d%d%c%d", | |
275 | prg->ver, prg->rev, prg->lev, | |
276 | dist, prg->num); | |
277 | return; | |
278 | } | |
279 | ||
e59058c4 JS |
280 | /** |
281 | * lpfc_config_port_post: Perform lpfc initialization after config port. | |
282 | * @phba: pointer to lpfc hba data structure. | |
283 | * | |
284 | * This routine will do LPFC initialization after the CONFIG_PORT mailbox | |
285 | * command call. It performs all internal resource and state setups on the | |
286 | * port: post IOCB buffers, enable appropriate host interrupt attentions, | |
287 | * ELS ring timers, etc. | |
288 | * | |
289 | * Return codes | |
290 | * 0 - success. | |
291 | * Any other value - error. | |
292 | **/ | |
dea3101e | 293 | int |
2e0fef85 | 294 | lpfc_config_port_post(struct lpfc_hba *phba) |
dea3101e | 295 | { |
2e0fef85 | 296 | struct lpfc_vport *vport = phba->pport; |
dea3101e | 297 | LPFC_MBOXQ_t *pmb; |
298 | MAILBOX_t *mb; | |
299 | struct lpfc_dmabuf *mp; | |
300 | struct lpfc_sli *psli = &phba->sli; | |
301 | uint32_t status, timeout; | |
2e0fef85 JS |
302 | int i, j; |
303 | int rc; | |
dea3101e | 304 | |
7af67051 JS |
305 | spin_lock_irq(&phba->hbalock); |
306 | /* | |
307 | * If the Config port completed correctly the HBA is not | |
308 | * over heated any more. | |
309 | */ | |
310 | if (phba->over_temp_state == HBA_OVER_TEMP) | |
311 | phba->over_temp_state = HBA_NORMAL_TEMP; | |
312 | spin_unlock_irq(&phba->hbalock); | |
313 | ||
dea3101e | 314 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
315 | if (!pmb) { | |
2e0fef85 | 316 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 317 | return -ENOMEM; |
318 | } | |
319 | mb = &pmb->mb; | |
320 | ||
dea3101e | 321 | /* Get login parameters for NID. */ |
92d7f7b0 | 322 | lpfc_read_sparam(phba, pmb, 0); |
ed957684 | 323 | pmb->vport = vport; |
dea3101e | 324 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 325 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 326 | "0448 Adapter failed init, mbxCmd x%x " |
dea3101e | 327 | "READ_SPARM mbxStatus x%x\n", |
dea3101e | 328 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 329 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 330 | mp = (struct lpfc_dmabuf *) pmb->context1; |
331 | mempool_free( pmb, phba->mbox_mem_pool); | |
332 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
333 | kfree(mp); | |
334 | return -EIO; | |
335 | } | |
336 | ||
337 | mp = (struct lpfc_dmabuf *) pmb->context1; | |
338 | ||
2e0fef85 | 339 | memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); |
dea3101e | 340 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
341 | kfree(mp); | |
342 | pmb->context1 = NULL; | |
343 | ||
a12e07bc | 344 | if (phba->cfg_soft_wwnn) |
2e0fef85 JS |
345 | u64_to_wwn(phba->cfg_soft_wwnn, |
346 | vport->fc_sparam.nodeName.u.wwn); | |
c3f28afa | 347 | if (phba->cfg_soft_wwpn) |
2e0fef85 JS |
348 | u64_to_wwn(phba->cfg_soft_wwpn, |
349 | vport->fc_sparam.portName.u.wwn); | |
350 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, | |
dea3101e | 351 | sizeof (struct lpfc_name)); |
2e0fef85 | 352 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, |
dea3101e | 353 | sizeof (struct lpfc_name)); |
354 | /* If no serial number in VPD data, use low 6 bytes of WWNN */ | |
355 | /* This should be consolidated into parse_vpd ? - mr */ | |
356 | if (phba->SerialNumber[0] == 0) { | |
357 | uint8_t *outptr; | |
358 | ||
2e0fef85 | 359 | outptr = &vport->fc_nodename.u.s.IEEE[0]; |
dea3101e | 360 | for (i = 0; i < 12; i++) { |
361 | status = *outptr++; | |
362 | j = ((status & 0xf0) >> 4); | |
363 | if (j <= 9) | |
364 | phba->SerialNumber[i] = | |
365 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
366 | else | |
367 | phba->SerialNumber[i] = | |
368 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
369 | i++; | |
370 | j = (status & 0xf); | |
371 | if (j <= 9) | |
372 | phba->SerialNumber[i] = | |
373 | (char)((uint8_t) 0x30 + (uint8_t) j); | |
374 | else | |
375 | phba->SerialNumber[i] = | |
376 | (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); | |
377 | } | |
378 | } | |
379 | ||
dea3101e | 380 | lpfc_read_config(phba, pmb); |
ed957684 | 381 | pmb->vport = vport; |
dea3101e | 382 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
ed957684 | 383 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 384 | "0453 Adapter failed to init, mbxCmd x%x " |
dea3101e | 385 | "READ_CONFIG, mbxStatus x%x\n", |
dea3101e | 386 | mb->mbxCommand, mb->mbxStatus); |
2e0fef85 | 387 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 388 | mempool_free( pmb, phba->mbox_mem_pool); |
389 | return -EIO; | |
390 | } | |
391 | ||
392 | /* Reset the DFT_HBA_Q_DEPTH to the max xri */ | |
393 | if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) | |
394 | phba->cfg_hba_queue_depth = | |
395 | mb->un.varRdConfig.max_xri + 1; | |
396 | ||
397 | phba->lmt = mb->un.varRdConfig.lmt; | |
74b72a59 JW |
398 | |
399 | /* Get the default values for Model Name and Description */ | |
400 | lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); | |
401 | ||
402 | if ((phba->cfg_link_speed > LINK_SPEED_10G) | |
403 | || ((phba->cfg_link_speed == LINK_SPEED_1G) | |
404 | && !(phba->lmt & LMT_1Gb)) | |
405 | || ((phba->cfg_link_speed == LINK_SPEED_2G) | |
406 | && !(phba->lmt & LMT_2Gb)) | |
407 | || ((phba->cfg_link_speed == LINK_SPEED_4G) | |
408 | && !(phba->lmt & LMT_4Gb)) | |
409 | || ((phba->cfg_link_speed == LINK_SPEED_8G) | |
410 | && !(phba->lmt & LMT_8Gb)) | |
411 | || ((phba->cfg_link_speed == LINK_SPEED_10G) | |
412 | && !(phba->lmt & LMT_10Gb))) { | |
413 | /* Reset link speed to auto */ | |
ed957684 | 414 | lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT, |
e8b62011 | 415 | "1302 Invalid speed for this board: " |
dea3101e | 416 | "Reset link speed to auto: x%x\n", |
dea3101e | 417 | phba->cfg_link_speed); |
418 | phba->cfg_link_speed = LINK_SPEED_AUTO; | |
419 | } | |
420 | ||
2e0fef85 | 421 | phba->link_state = LPFC_LINK_DOWN; |
dea3101e | 422 | |
0b727fea | 423 | /* Only process IOCBs on ELS ring till hba_state is READY */ |
a4bc3379 JS |
424 | if (psli->ring[psli->extra_ring].cmdringaddr) |
425 | psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
dea3101e | 426 | if (psli->ring[psli->fcp_ring].cmdringaddr) |
427 | psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
428 | if (psli->ring[psli->next_ring].cmdringaddr) | |
429 | psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; | |
430 | ||
431 | /* Post receive buffers for desired rings */ | |
ed957684 JS |
432 | if (phba->sli_rev != 3) |
433 | lpfc_post_rcv_buf(phba); | |
dea3101e | 434 | |
9399627f JS |
435 | /* |
436 | * Configure HBA MSI-X attention conditions to messages if MSI-X mode | |
437 | */ | |
438 | if (phba->intr_type == MSIX) { | |
439 | rc = lpfc_config_msi(phba, pmb); | |
440 | if (rc) { | |
441 | mempool_free(pmb, phba->mbox_mem_pool); | |
442 | return -EIO; | |
443 | } | |
444 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
445 | if (rc != MBX_SUCCESS) { | |
446 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
447 | "0352 Config MSI mailbox command " | |
448 | "failed, mbxCmd x%x, mbxStatus x%x\n", | |
449 | pmb->mb.mbxCommand, pmb->mb.mbxStatus); | |
450 | mempool_free(pmb, phba->mbox_mem_pool); | |
451 | return -EIO; | |
452 | } | |
453 | } | |
454 | ||
455 | /* Initialize ERATT handling flag */ | |
456 | phba->hba_flag &= ~HBA_ERATT_HANDLED; | |
457 | ||
dea3101e | 458 | /* Enable appropriate host interrupts */ |
2e0fef85 | 459 | spin_lock_irq(&phba->hbalock); |
dea3101e | 460 | status = readl(phba->HCregaddr); |
461 | status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; | |
462 | if (psli->num_rings > 0) | |
463 | status |= HC_R0INT_ENA; | |
464 | if (psli->num_rings > 1) | |
465 | status |= HC_R1INT_ENA; | |
466 | if (psli->num_rings > 2) | |
467 | status |= HC_R2INT_ENA; | |
468 | if (psli->num_rings > 3) | |
469 | status |= HC_R3INT_ENA; | |
470 | ||
875fbdfe JSEC |
471 | if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && |
472 | (phba->cfg_poll & DISABLE_FCP_RING_INT)) | |
9399627f | 473 | status &= ~(HC_R0INT_ENA); |
875fbdfe | 474 | |
dea3101e | 475 | writel(status, phba->HCregaddr); |
476 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 477 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 478 | |
9399627f JS |
479 | /* Set up ring-0 (ELS) timer */ |
480 | timeout = phba->fc_ratov * 2; | |
2e0fef85 | 481 | mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); |
9399627f | 482 | /* Set up heart beat (HB) timer */ |
858c9f6c JS |
483 | mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); |
484 | phba->hb_outstanding = 0; | |
485 | phba->last_completion_time = jiffies; | |
9399627f JS |
486 | /* Set up error attention (ERATT) polling timer */ |
487 | mod_timer(&phba->eratt_poll, jiffies + HZ * LPFC_ERATT_POLL_INTERVAL); | |
dea3101e | 488 | |
489 | lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); | |
490 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
5b8bd0c9 | 491 | lpfc_set_loopback_flag(phba); |
d7c255b2 | 492 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
8aee918a | 493 | if (rc != MBX_SUCCESS) { |
ed957684 | 494 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 495 | "0454 Adapter failed to init, mbxCmd x%x " |
dea3101e | 496 | "INIT_LINK, mbxStatus x%x\n", |
dea3101e | 497 | mb->mbxCommand, mb->mbxStatus); |
498 | ||
499 | /* Clear all interrupt enable conditions */ | |
500 | writel(0, phba->HCregaddr); | |
501 | readl(phba->HCregaddr); /* flush */ | |
502 | /* Clear all pending interrupts */ | |
503 | writel(0xffffffff, phba->HAregaddr); | |
504 | readl(phba->HAregaddr); /* flush */ | |
505 | ||
2e0fef85 | 506 | phba->link_state = LPFC_HBA_ERROR; |
8aee918a JS |
507 | if (rc != MBX_BUSY) |
508 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e | 509 | return -EIO; |
510 | } | |
511 | /* MBOX buffer will be freed in mbox compl */ | |
57127f15 JS |
512 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
513 | lpfc_config_async(phba, pmb, LPFC_ELS_RING); | |
514 | pmb->mbox_cmpl = lpfc_config_async_cmpl; | |
515 | pmb->vport = phba->pport; | |
516 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
dea3101e | 517 | |
57127f15 JS |
518 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { |
519 | lpfc_printf_log(phba, | |
520 | KERN_ERR, | |
521 | LOG_INIT, | |
522 | "0456 Adapter failed to issue " | |
523 | "ASYNCEVT_ENABLE mbox status x%x \n.", | |
524 | rc); | |
525 | mempool_free(pmb, phba->mbox_mem_pool); | |
526 | } | |
97207482 JS |
527 | |
528 | /* Get Option rom version */ | |
529 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
530 | lpfc_dump_wakeup_param(phba, pmb); | |
531 | pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl; | |
532 | pmb->vport = phba->pport; | |
533 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
534 | ||
535 | if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { | |
536 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed " | |
537 | "to get Option ROM version status x%x\n.", rc); | |
538 | mempool_free(pmb, phba->mbox_mem_pool); | |
539 | } | |
540 | ||
d7c255b2 | 541 | return 0; |
ce8b3ce5 JS |
542 | } |
543 | ||
e59058c4 JS |
544 | /** |
545 | * lpfc_hba_down_prep: Perform lpfc uninitialization prior to HBA reset. | |
546 | * @phba: pointer to lpfc HBA data structure. | |
547 | * | |
548 | * This routine will do LPFC uninitialization before the HBA is reset when | |
549 | * bringing down the SLI Layer. | |
550 | * | |
551 | * Return codes | |
552 | * 0 - success. | |
553 | * Any other value - error. | |
554 | **/ | |
dea3101e | 555 | int |
2e0fef85 | 556 | lpfc_hba_down_prep(struct lpfc_hba *phba) |
dea3101e | 557 | { |
1b32f6aa JS |
558 | struct lpfc_vport **vports; |
559 | int i; | |
dea3101e | 560 | /* Disable interrupts */ |
561 | writel(0, phba->HCregaddr); | |
562 | readl(phba->HCregaddr); /* flush */ | |
563 | ||
1b32f6aa JS |
564 | if (phba->pport->load_flag & FC_UNLOADING) |
565 | lpfc_cleanup_discovery_resources(phba->pport); | |
566 | else { | |
567 | vports = lpfc_create_vport_work_array(phba); | |
568 | if (vports != NULL) | |
569 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) | |
570 | lpfc_cleanup_discovery_resources(vports[i]); | |
571 | lpfc_destroy_vport_work_array(phba, vports); | |
7f5f3d0d JS |
572 | } |
573 | return 0; | |
dea3101e | 574 | } |
575 | ||
e59058c4 JS |
576 | /** |
577 | * lpfc_hba_down_post: Perform lpfc uninitialization after HBA reset. | |
578 | * @phba: pointer to lpfc HBA data structure. | |
579 | * | |
580 | * This routine will do uninitialization after the HBA is reset when bring | |
581 | * down the SLI Layer. | |
582 | * | |
583 | * Return codes | |
584 | * 0 - sucess. | |
585 | * Any other value - error. | |
586 | **/ | |
41415862 | 587 | int |
2e0fef85 | 588 | lpfc_hba_down_post(struct lpfc_hba *phba) |
41415862 JW |
589 | { |
590 | struct lpfc_sli *psli = &phba->sli; | |
591 | struct lpfc_sli_ring *pring; | |
592 | struct lpfc_dmabuf *mp, *next_mp; | |
09372820 JS |
593 | struct lpfc_iocbq *iocb; |
594 | IOCB_t *cmd = NULL; | |
595 | LIST_HEAD(completions); | |
41415862 JW |
596 | int i; |
597 | ||
92d7f7b0 JS |
598 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
599 | lpfc_sli_hbqbuf_free_all(phba); | |
600 | else { | |
601 | /* Cleanup preposted buffers on the ELS ring */ | |
602 | pring = &psli->ring[LPFC_ELS_RING]; | |
603 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
604 | list_del(&mp->list); | |
605 | pring->postbufq_cnt--; | |
606 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
607 | kfree(mp); | |
608 | } | |
41415862 JW |
609 | } |
610 | ||
09372820 | 611 | spin_lock_irq(&phba->hbalock); |
41415862 JW |
612 | for (i = 0; i < psli->num_rings; i++) { |
613 | pring = &psli->ring[i]; | |
09372820 JS |
614 | |
615 | /* At this point in time the HBA is either reset or DOA. Either | |
616 | * way, nothing should be on txcmplq as it will NEVER complete. | |
617 | */ | |
618 | list_splice_init(&pring->txcmplq, &completions); | |
619 | pring->txcmplq_cnt = 0; | |
620 | spin_unlock_irq(&phba->hbalock); | |
621 | ||
622 | while (!list_empty(&completions)) { | |
623 | iocb = list_get_first(&completions, struct lpfc_iocbq, | |
624 | list); | |
625 | cmd = &iocb->iocb; | |
626 | list_del_init(&iocb->list); | |
627 | ||
628 | if (!iocb->iocb_cmpl) | |
629 | lpfc_sli_release_iocbq(phba, iocb); | |
630 | else { | |
631 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
632 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
633 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
634 | } | |
635 | } | |
636 | ||
41415862 | 637 | lpfc_sli_abort_iocb_ring(phba, pring); |
09372820 | 638 | spin_lock_irq(&phba->hbalock); |
41415862 | 639 | } |
09372820 | 640 | spin_unlock_irq(&phba->hbalock); |
41415862 JW |
641 | |
642 | return 0; | |
643 | } | |
644 | ||
e59058c4 JS |
645 | /** |
646 | * lpfc_hb_timeout: The HBA-timer timeout handler. | |
647 | * @ptr: unsigned long holds the pointer to lpfc hba data structure. | |
648 | * | |
649 | * This is the HBA-timer timeout handler registered to the lpfc driver. When | |
650 | * this timer fires, a HBA timeout event shall be posted to the lpfc driver | |
651 | * work-port-events bitmap and the worker thread is notified. This timeout | |
652 | * event will be used by the worker thread to invoke the actual timeout | |
653 | * handler routine, lpfc_hb_timeout_handler. Any periodical operations will | |
654 | * be performed in the timeout handler and the HBA timeout event bit shall | |
655 | * be cleared by the worker thread after it has taken the event bitmap out. | |
656 | **/ | |
a6ababd2 | 657 | static void |
858c9f6c JS |
658 | lpfc_hb_timeout(unsigned long ptr) |
659 | { | |
660 | struct lpfc_hba *phba; | |
5e9d9b82 | 661 | uint32_t tmo_posted; |
858c9f6c JS |
662 | unsigned long iflag; |
663 | ||
664 | phba = (struct lpfc_hba *)ptr; | |
9399627f JS |
665 | |
666 | /* Check for heart beat timeout conditions */ | |
858c9f6c | 667 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); |
5e9d9b82 JS |
668 | tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO; |
669 | if (!tmo_posted) | |
858c9f6c JS |
670 | phba->pport->work_port_events |= WORKER_HB_TMO; |
671 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
672 | ||
9399627f | 673 | /* Tell the worker thread there is work to do */ |
5e9d9b82 JS |
674 | if (!tmo_posted) |
675 | lpfc_worker_wake_up(phba); | |
858c9f6c JS |
676 | return; |
677 | } | |
678 | ||
e59058c4 JS |
679 | /** |
680 | * lpfc_hb_mbox_cmpl: The lpfc heart-beat mailbox command callback function. | |
681 | * @phba: pointer to lpfc hba data structure. | |
682 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
683 | * | |
684 | * This is the callback function to the lpfc heart-beat mailbox command. | |
685 | * If configured, the lpfc driver issues the heart-beat mailbox command to | |
686 | * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the | |
687 | * heart-beat mailbox command is issued, the driver shall set up heart-beat | |
688 | * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks | |
689 | * heart-beat outstanding state. Once the mailbox command comes back and | |
690 | * no error conditions detected, the heart-beat mailbox command timer is | |
691 | * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding | |
692 | * state is cleared for the next heart-beat. If the timer expired with the | |
693 | * heart-beat outstanding state set, the driver will put the HBA offline. | |
694 | **/ | |
858c9f6c JS |
695 | static void |
696 | lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) | |
697 | { | |
698 | unsigned long drvr_flag; | |
699 | ||
700 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
701 | phba->hb_outstanding = 0; | |
702 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
703 | ||
9399627f | 704 | /* Check and reset heart-beat timer is necessary */ |
858c9f6c JS |
705 | mempool_free(pmboxq, phba->mbox_mem_pool); |
706 | if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && | |
707 | !(phba->link_state == LPFC_HBA_ERROR) && | |
51ef4c26 | 708 | !(phba->pport->load_flag & FC_UNLOADING)) |
858c9f6c JS |
709 | mod_timer(&phba->hb_tmofunc, |
710 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
711 | return; | |
712 | } | |
713 | ||
e59058c4 JS |
714 | /** |
715 | * lpfc_hb_timeout_handler: The HBA-timer timeout handler. | |
716 | * @phba: pointer to lpfc hba data structure. | |
717 | * | |
718 | * This is the actual HBA-timer timeout handler to be invoked by the worker | |
719 | * thread whenever the HBA timer fired and HBA-timeout event posted. This | |
720 | * handler performs any periodic operations needed for the device. If such | |
721 | * periodic event has already been attended to either in the interrupt handler | |
722 | * or by processing slow-ring or fast-ring events within the HBA-timer | |
723 | * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets | |
724 | * the timer for the next timeout period. If lpfc heart-beat mailbox command | |
725 | * is configured and there is no heart-beat mailbox command outstanding, a | |
726 | * heart-beat mailbox is issued and timer set properly. Otherwise, if there | |
727 | * has been a heart-beat mailbox command outstanding, the HBA shall be put | |
728 | * to offline. | |
729 | **/ | |
858c9f6c JS |
730 | void |
731 | lpfc_hb_timeout_handler(struct lpfc_hba *phba) | |
732 | { | |
733 | LPFC_MBOXQ_t *pmboxq; | |
0ff10d46 | 734 | struct lpfc_dmabuf *buf_ptr; |
858c9f6c JS |
735 | int retval; |
736 | struct lpfc_sli *psli = &phba->sli; | |
0ff10d46 | 737 | LIST_HEAD(completions); |
858c9f6c JS |
738 | |
739 | if ((phba->link_state == LPFC_HBA_ERROR) || | |
51ef4c26 | 740 | (phba->pport->load_flag & FC_UNLOADING) || |
858c9f6c JS |
741 | (phba->pport->fc_flag & FC_OFFLINE_MODE)) |
742 | return; | |
743 | ||
744 | spin_lock_irq(&phba->pport->work_port_lock); | |
858c9f6c JS |
745 | |
746 | if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ, | |
747 | jiffies)) { | |
748 | spin_unlock_irq(&phba->pport->work_port_lock); | |
749 | if (!phba->hb_outstanding) | |
750 | mod_timer(&phba->hb_tmofunc, | |
751 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
752 | else | |
753 | mod_timer(&phba->hb_tmofunc, | |
754 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); | |
755 | return; | |
756 | } | |
757 | spin_unlock_irq(&phba->pport->work_port_lock); | |
758 | ||
0ff10d46 JS |
759 | if (phba->elsbuf_cnt && |
760 | (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { | |
761 | spin_lock_irq(&phba->hbalock); | |
762 | list_splice_init(&phba->elsbuf, &completions); | |
763 | phba->elsbuf_cnt = 0; | |
764 | phba->elsbuf_prev_cnt = 0; | |
765 | spin_unlock_irq(&phba->hbalock); | |
766 | ||
767 | while (!list_empty(&completions)) { | |
768 | list_remove_head(&completions, buf_ptr, | |
769 | struct lpfc_dmabuf, list); | |
770 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
771 | kfree(buf_ptr); | |
772 | } | |
773 | } | |
774 | phba->elsbuf_prev_cnt = phba->elsbuf_cnt; | |
775 | ||
858c9f6c | 776 | /* If there is no heart beat outstanding, issue a heartbeat command */ |
13815c83 JS |
777 | if (phba->cfg_enable_hba_heartbeat) { |
778 | if (!phba->hb_outstanding) { | |
779 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
780 | if (!pmboxq) { | |
781 | mod_timer(&phba->hb_tmofunc, | |
782 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
783 | return; | |
784 | } | |
858c9f6c | 785 | |
13815c83 JS |
786 | lpfc_heart_beat(phba, pmboxq); |
787 | pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; | |
788 | pmboxq->vport = phba->pport; | |
789 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); | |
858c9f6c | 790 | |
13815c83 JS |
791 | if (retval != MBX_BUSY && retval != MBX_SUCCESS) { |
792 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
793 | mod_timer(&phba->hb_tmofunc, | |
794 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
795 | return; | |
796 | } | |
858c9f6c | 797 | mod_timer(&phba->hb_tmofunc, |
13815c83 JS |
798 | jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); |
799 | phba->hb_outstanding = 1; | |
858c9f6c | 800 | return; |
13815c83 JS |
801 | } else { |
802 | /* | |
803 | * If heart beat timeout called with hb_outstanding set | |
804 | * we need to take the HBA offline. | |
805 | */ | |
806 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
807 | "0459 Adapter heartbeat failure, " | |
808 | "taking this port offline.\n"); | |
809 | ||
810 | spin_lock_irq(&phba->hbalock); | |
811 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; | |
812 | spin_unlock_irq(&phba->hbalock); | |
813 | ||
814 | lpfc_offline_prep(phba); | |
815 | lpfc_offline(phba); | |
816 | lpfc_unblock_mgmt_io(phba); | |
817 | phba->link_state = LPFC_HBA_ERROR; | |
818 | lpfc_hba_down_post(phba); | |
858c9f6c | 819 | } |
858c9f6c JS |
820 | } |
821 | } | |
822 | ||
e59058c4 JS |
823 | /** |
824 | * lpfc_offline_eratt: Bring lpfc offline on hardware error attention. | |
825 | * @phba: pointer to lpfc hba data structure. | |
826 | * | |
827 | * This routine is called to bring the HBA offline when HBA hardware error | |
828 | * other than Port Error 6 has been detected. | |
829 | **/ | |
09372820 JS |
830 | static void |
831 | lpfc_offline_eratt(struct lpfc_hba *phba) | |
832 | { | |
833 | struct lpfc_sli *psli = &phba->sli; | |
834 | ||
835 | spin_lock_irq(&phba->hbalock); | |
836 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; | |
837 | spin_unlock_irq(&phba->hbalock); | |
838 | lpfc_offline_prep(phba); | |
839 | ||
840 | lpfc_offline(phba); | |
841 | lpfc_reset_barrier(phba); | |
842 | lpfc_sli_brdreset(phba); | |
843 | lpfc_hba_down_post(phba); | |
844 | lpfc_sli_brdready(phba, HS_MBRDY); | |
845 | lpfc_unblock_mgmt_io(phba); | |
846 | phba->link_state = LPFC_HBA_ERROR; | |
847 | return; | |
848 | } | |
849 | ||
e59058c4 JS |
850 | /** |
851 | * lpfc_handle_eratt: The HBA hardware error handler. | |
852 | * @phba: pointer to lpfc hba data structure. | |
853 | * | |
854 | * This routine is invoked to handle the following HBA hardware error | |
855 | * conditions: | |
856 | * 1 - HBA error attention interrupt | |
857 | * 2 - DMA ring index out of range | |
858 | * 3 - Mailbox command came back as unknown | |
859 | **/ | |
dea3101e | 860 | void |
2e0fef85 | 861 | lpfc_handle_eratt(struct lpfc_hba *phba) |
dea3101e | 862 | { |
2e0fef85 | 863 | struct lpfc_vport *vport = phba->pport; |
2e0fef85 | 864 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 865 | struct lpfc_sli_ring *pring; |
d2873e4c | 866 | uint32_t event_data; |
57127f15 JS |
867 | unsigned long temperature; |
868 | struct temp_event temp_event_data; | |
92d7f7b0 | 869 | struct Scsi_Host *shost; |
ea2151b4 | 870 | struct lpfc_board_event_header board_event; |
2e0fef85 | 871 | |
8d63f375 LV |
872 | /* If the pci channel is offline, ignore possible errors, |
873 | * since we cannot communicate with the pci card anyway. */ | |
874 | if (pci_channel_offline(phba->pcidev)) | |
875 | return; | |
13815c83 JS |
876 | /* If resets are disabled then leave the HBA alone and return */ |
877 | if (!phba->cfg_enable_hba_reset) | |
878 | return; | |
dea3101e | 879 | |
ea2151b4 JS |
880 | /* Send an internal error event to mgmt application */ |
881 | board_event.event_type = FC_REG_BOARD_EVENT; | |
882 | board_event.subcategory = LPFC_EVENT_PORTINTERR; | |
883 | shost = lpfc_shost_from_vport(phba->pport); | |
884 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
885 | sizeof(board_event), | |
886 | (char *) &board_event, | |
ddcc50f0 | 887 | LPFC_NL_VENDOR_ID); |
ea2151b4 | 888 | |
97eab634 | 889 | if (phba->work_hs & HS_FFER6) { |
dea3101e | 890 | /* Re-establishing Link */ |
891 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
e8b62011 | 892 | "1301 Re-establishing Link " |
dea3101e | 893 | "Data: x%x x%x x%x\n", |
e8b62011 | 894 | phba->work_hs, |
dea3101e | 895 | phba->work_status[0], phba->work_status[1]); |
58da1ffb | 896 | |
92d7f7b0 | 897 | spin_lock_irq(&phba->hbalock); |
9290831f | 898 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
92d7f7b0 | 899 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 900 | |
901 | /* | |
902 | * Firmware stops when it triggled erratt with HS_FFER6. | |
903 | * That could cause the I/Os dropped by the firmware. | |
904 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
905 | * retry it after re-establishing link. | |
906 | */ | |
907 | pring = &psli->ring[psli->fcp_ring]; | |
908 | lpfc_sli_abort_iocb_ring(phba, pring); | |
909 | ||
dea3101e | 910 | /* |
911 | * There was a firmware error. Take the hba offline and then | |
912 | * attempt to restart it. | |
913 | */ | |
46fa311e | 914 | lpfc_offline_prep(phba); |
dea3101e | 915 | lpfc_offline(phba); |
41415862 | 916 | lpfc_sli_brdrestart(phba); |
dea3101e | 917 | if (lpfc_online(phba) == 0) { /* Initialize the HBA */ |
46fa311e | 918 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 919 | return; |
920 | } | |
46fa311e | 921 | lpfc_unblock_mgmt_io(phba); |
57127f15 JS |
922 | } else if (phba->work_hs & HS_CRIT_TEMP) { |
923 | temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); | |
924 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
925 | temp_event_data.event_code = LPFC_CRIT_TEMP; | |
926 | temp_event_data.data = (uint32_t)temperature; | |
927 | ||
928 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 929 | "0406 Adapter maximum temperature exceeded " |
57127f15 JS |
930 | "(%ld), taking this port offline " |
931 | "Data: x%x x%x x%x\n", | |
932 | temperature, phba->work_hs, | |
933 | phba->work_status[0], phba->work_status[1]); | |
934 | ||
935 | shost = lpfc_shost_from_vport(phba->pport); | |
936 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
937 | sizeof(temp_event_data), | |
938 | (char *) &temp_event_data, | |
939 | SCSI_NL_VID_TYPE_PCI | |
940 | | PCI_VENDOR_ID_EMULEX); | |
941 | ||
7af67051 | 942 | spin_lock_irq(&phba->hbalock); |
7af67051 JS |
943 | phba->over_temp_state = HBA_OVER_TEMP; |
944 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 945 | lpfc_offline_eratt(phba); |
57127f15 | 946 | |
dea3101e | 947 | } else { |
948 | /* The if clause above forces this code path when the status | |
9399627f JS |
949 | * failure is a value other than FFER6. Do not call the offline |
950 | * twice. This is the adapter hardware error path. | |
dea3101e | 951 | */ |
952 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 | 953 | "0457 Adapter Hardware Error " |
dea3101e | 954 | "Data: x%x x%x x%x\n", |
e8b62011 | 955 | phba->work_hs, |
dea3101e | 956 | phba->work_status[0], phba->work_status[1]); |
957 | ||
d2873e4c | 958 | event_data = FC_REG_DUMP_EVENT; |
92d7f7b0 | 959 | shost = lpfc_shost_from_vport(vport); |
2e0fef85 | 960 | fc_host_post_vendor_event(shost, fc_get_event_number(), |
d2873e4c JS |
961 | sizeof(event_data), (char *) &event_data, |
962 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
963 | ||
09372820 | 964 | lpfc_offline_eratt(phba); |
dea3101e | 965 | } |
9399627f | 966 | return; |
dea3101e | 967 | } |
968 | ||
e59058c4 JS |
969 | /** |
970 | * lpfc_handle_latt: The HBA link event handler. | |
971 | * @phba: pointer to lpfc hba data structure. | |
972 | * | |
973 | * This routine is invoked from the worker thread to handle a HBA host | |
974 | * attention link event. | |
975 | **/ | |
dea3101e | 976 | void |
2e0fef85 | 977 | lpfc_handle_latt(struct lpfc_hba *phba) |
dea3101e | 978 | { |
2e0fef85 JS |
979 | struct lpfc_vport *vport = phba->pport; |
980 | struct lpfc_sli *psli = &phba->sli; | |
dea3101e | 981 | LPFC_MBOXQ_t *pmb; |
982 | volatile uint32_t control; | |
983 | struct lpfc_dmabuf *mp; | |
09372820 | 984 | int rc = 0; |
dea3101e | 985 | |
986 | pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
09372820 JS |
987 | if (!pmb) { |
988 | rc = 1; | |
dea3101e | 989 | goto lpfc_handle_latt_err_exit; |
09372820 | 990 | } |
dea3101e | 991 | |
992 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
09372820 JS |
993 | if (!mp) { |
994 | rc = 2; | |
dea3101e | 995 | goto lpfc_handle_latt_free_pmb; |
09372820 | 996 | } |
dea3101e | 997 | |
998 | mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); | |
09372820 JS |
999 | if (!mp->virt) { |
1000 | rc = 3; | |
dea3101e | 1001 | goto lpfc_handle_latt_free_mp; |
09372820 | 1002 | } |
dea3101e | 1003 | |
6281bfe0 | 1004 | /* Cleanup any outstanding ELS commands */ |
549e55cd | 1005 | lpfc_els_flush_all_cmd(phba); |
dea3101e | 1006 | |
1007 | psli->slistat.link_event++; | |
1008 | lpfc_read_la(phba, pmb, mp); | |
1009 | pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; | |
2e0fef85 | 1010 | pmb->vport = vport; |
0d2b6b83 JS |
1011 | /* Block ELS IOCBs until we have processed this mbox command */ |
1012 | phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT; | |
0b727fea | 1013 | rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); |
09372820 JS |
1014 | if (rc == MBX_NOT_FINISHED) { |
1015 | rc = 4; | |
14691150 | 1016 | goto lpfc_handle_latt_free_mbuf; |
09372820 | 1017 | } |
dea3101e | 1018 | |
1019 | /* Clear Link Attention in HA REG */ | |
2e0fef85 | 1020 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1021 | writel(HA_LATT, phba->HAregaddr); |
1022 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 1023 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1024 | |
1025 | return; | |
1026 | ||
14691150 | 1027 | lpfc_handle_latt_free_mbuf: |
0d2b6b83 | 1028 | phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; |
14691150 | 1029 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e | 1030 | lpfc_handle_latt_free_mp: |
1031 | kfree(mp); | |
1032 | lpfc_handle_latt_free_pmb: | |
1dcb58e5 | 1033 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 1034 | lpfc_handle_latt_err_exit: |
1035 | /* Enable Link attention interrupts */ | |
2e0fef85 | 1036 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1037 | psli->sli_flag |= LPFC_PROCESS_LA; |
1038 | control = readl(phba->HCregaddr); | |
1039 | control |= HC_LAINT_ENA; | |
1040 | writel(control, phba->HCregaddr); | |
1041 | readl(phba->HCregaddr); /* flush */ | |
1042 | ||
1043 | /* Clear Link Attention in HA REG */ | |
1044 | writel(HA_LATT, phba->HAregaddr); | |
1045 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 1046 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1047 | lpfc_linkdown(phba); |
2e0fef85 | 1048 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 1049 | |
09372820 JS |
1050 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
1051 | "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); | |
dea3101e | 1052 | |
1053 | return; | |
1054 | } | |
1055 | ||
e59058c4 JS |
1056 | /** |
1057 | * lpfc_parse_vpd: Parse VPD (Vital Product Data). | |
1058 | * @phba: pointer to lpfc hba data structure. | |
1059 | * @vpd: pointer to the vital product data. | |
1060 | * @len: length of the vital product data in bytes. | |
1061 | * | |
1062 | * This routine parses the Vital Product Data (VPD). The VPD is treated as | |
1063 | * an array of characters. In this routine, the ModelName, ProgramType, and | |
1064 | * ModelDesc, etc. fields of the phba data structure will be populated. | |
1065 | * | |
1066 | * Return codes | |
1067 | * 0 - pointer to the VPD passed in is NULL | |
1068 | * 1 - success | |
1069 | **/ | |
dea3101e | 1070 | static int |
2e0fef85 | 1071 | lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) |
dea3101e | 1072 | { |
1073 | uint8_t lenlo, lenhi; | |
07da60c1 | 1074 | int Length; |
dea3101e | 1075 | int i, j; |
1076 | int finished = 0; | |
1077 | int index = 0; | |
1078 | ||
1079 | if (!vpd) | |
1080 | return 0; | |
1081 | ||
1082 | /* Vital Product */ | |
ed957684 | 1083 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 | 1084 | "0455 Vital Product Data: x%x x%x x%x x%x\n", |
dea3101e | 1085 | (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], |
1086 | (uint32_t) vpd[3]); | |
74b72a59 | 1087 | while (!finished && (index < (len - 4))) { |
dea3101e | 1088 | switch (vpd[index]) { |
1089 | case 0x82: | |
74b72a59 | 1090 | case 0x91: |
dea3101e | 1091 | index += 1; |
1092 | lenlo = vpd[index]; | |
1093 | index += 1; | |
1094 | lenhi = vpd[index]; | |
1095 | index += 1; | |
1096 | i = ((((unsigned short)lenhi) << 8) + lenlo); | |
1097 | index += i; | |
1098 | break; | |
1099 | case 0x90: | |
1100 | index += 1; | |
1101 | lenlo = vpd[index]; | |
1102 | index += 1; | |
1103 | lenhi = vpd[index]; | |
1104 | index += 1; | |
1105 | Length = ((((unsigned short)lenhi) << 8) + lenlo); | |
74b72a59 JW |
1106 | if (Length > len - index) |
1107 | Length = len - index; | |
dea3101e | 1108 | while (Length > 0) { |
1109 | /* Look for Serial Number */ | |
1110 | if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { | |
1111 | index += 2; | |
1112 | i = vpd[index]; | |
1113 | index += 1; | |
1114 | j = 0; | |
1115 | Length -= (3+i); | |
1116 | while(i--) { | |
1117 | phba->SerialNumber[j++] = vpd[index++]; | |
1118 | if (j == 31) | |
1119 | break; | |
1120 | } | |
1121 | phba->SerialNumber[j] = 0; | |
1122 | continue; | |
1123 | } | |
1124 | else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { | |
1125 | phba->vpd_flag |= VPD_MODEL_DESC; | |
1126 | index += 2; | |
1127 | i = vpd[index]; | |
1128 | index += 1; | |
1129 | j = 0; | |
1130 | Length -= (3+i); | |
1131 | while(i--) { | |
1132 | phba->ModelDesc[j++] = vpd[index++]; | |
1133 | if (j == 255) | |
1134 | break; | |
1135 | } | |
1136 | phba->ModelDesc[j] = 0; | |
1137 | continue; | |
1138 | } | |
1139 | else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { | |
1140 | phba->vpd_flag |= VPD_MODEL_NAME; | |
1141 | index += 2; | |
1142 | i = vpd[index]; | |
1143 | index += 1; | |
1144 | j = 0; | |
1145 | Length -= (3+i); | |
1146 | while(i--) { | |
1147 | phba->ModelName[j++] = vpd[index++]; | |
1148 | if (j == 79) | |
1149 | break; | |
1150 | } | |
1151 | phba->ModelName[j] = 0; | |
1152 | continue; | |
1153 | } | |
1154 | else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { | |
1155 | phba->vpd_flag |= VPD_PROGRAM_TYPE; | |
1156 | index += 2; | |
1157 | i = vpd[index]; | |
1158 | index += 1; | |
1159 | j = 0; | |
1160 | Length -= (3+i); | |
1161 | while(i--) { | |
1162 | phba->ProgramType[j++] = vpd[index++]; | |
1163 | if (j == 255) | |
1164 | break; | |
1165 | } | |
1166 | phba->ProgramType[j] = 0; | |
1167 | continue; | |
1168 | } | |
1169 | else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { | |
1170 | phba->vpd_flag |= VPD_PORT; | |
1171 | index += 2; | |
1172 | i = vpd[index]; | |
1173 | index += 1; | |
1174 | j = 0; | |
1175 | Length -= (3+i); | |
1176 | while(i--) { | |
1177 | phba->Port[j++] = vpd[index++]; | |
1178 | if (j == 19) | |
1179 | break; | |
1180 | } | |
1181 | phba->Port[j] = 0; | |
1182 | continue; | |
1183 | } | |
1184 | else { | |
1185 | index += 2; | |
1186 | i = vpd[index]; | |
1187 | index += 1; | |
1188 | index += i; | |
1189 | Length -= (3 + i); | |
1190 | } | |
1191 | } | |
1192 | finished = 0; | |
1193 | break; | |
1194 | case 0x78: | |
1195 | finished = 1; | |
1196 | break; | |
1197 | default: | |
1198 | index ++; | |
1199 | break; | |
1200 | } | |
74b72a59 | 1201 | } |
dea3101e | 1202 | |
1203 | return(1); | |
1204 | } | |
1205 | ||
e59058c4 JS |
1206 | /** |
1207 | * lpfc_get_hba_model_desc: Retrieve HBA device model name and description. | |
1208 | * @phba: pointer to lpfc hba data structure. | |
1209 | * @mdp: pointer to the data structure to hold the derived model name. | |
1210 | * @descp: pointer to the data structure to hold the derived description. | |
1211 | * | |
1212 | * This routine retrieves HBA's description based on its registered PCI device | |
1213 | * ID. The @descp passed into this function points to an array of 256 chars. It | |
1214 | * shall be returned with the model name, maximum speed, and the host bus type. | |
1215 | * The @mdp passed into this function points to an array of 80 chars. When the | |
1216 | * function returns, the @mdp will be filled with the model name. | |
1217 | **/ | |
dea3101e | 1218 | static void |
2e0fef85 | 1219 | lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) |
dea3101e | 1220 | { |
1221 | lpfc_vpd_t *vp; | |
fefcb2b6 | 1222 | uint16_t dev_id = phba->pcidev->device; |
74b72a59 | 1223 | int max_speed; |
84774a4d | 1224 | int GE = 0; |
74b72a59 JW |
1225 | struct { |
1226 | char * name; | |
1227 | int max_speed; | |
74b72a59 | 1228 | char * bus; |
18a3b596 | 1229 | } m = {"<Unknown>", 0, ""}; |
74b72a59 JW |
1230 | |
1231 | if (mdp && mdp[0] != '\0' | |
1232 | && descp && descp[0] != '\0') | |
1233 | return; | |
1234 | ||
1235 | if (phba->lmt & LMT_10Gb) | |
1236 | max_speed = 10; | |
1237 | else if (phba->lmt & LMT_8Gb) | |
1238 | max_speed = 8; | |
1239 | else if (phba->lmt & LMT_4Gb) | |
1240 | max_speed = 4; | |
1241 | else if (phba->lmt & LMT_2Gb) | |
1242 | max_speed = 2; | |
1243 | else | |
1244 | max_speed = 1; | |
dea3101e | 1245 | |
1246 | vp = &phba->vpd; | |
dea3101e | 1247 | |
e4adb204 | 1248 | switch (dev_id) { |
06325e74 | 1249 | case PCI_DEVICE_ID_FIREFLY: |
18a3b596 | 1250 | m = (typeof(m)){"LP6000", max_speed, "PCI"}; |
06325e74 | 1251 | break; |
dea3101e | 1252 | case PCI_DEVICE_ID_SUPERFLY: |
1253 | if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) | |
18a3b596 | 1254 | m = (typeof(m)){"LP7000", max_speed, "PCI"}; |
dea3101e | 1255 | else |
18a3b596 | 1256 | m = (typeof(m)){"LP7000E", max_speed, "PCI"}; |
dea3101e | 1257 | break; |
1258 | case PCI_DEVICE_ID_DRAGONFLY: | |
18a3b596 | 1259 | m = (typeof(m)){"LP8000", max_speed, "PCI"}; |
dea3101e | 1260 | break; |
1261 | case PCI_DEVICE_ID_CENTAUR: | |
1262 | if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) | |
18a3b596 | 1263 | m = (typeof(m)){"LP9002", max_speed, "PCI"}; |
dea3101e | 1264 | else |
18a3b596 | 1265 | m = (typeof(m)){"LP9000", max_speed, "PCI"}; |
dea3101e | 1266 | break; |
1267 | case PCI_DEVICE_ID_RFLY: | |
18a3b596 | 1268 | m = (typeof(m)){"LP952", max_speed, "PCI"}; |
dea3101e | 1269 | break; |
1270 | case PCI_DEVICE_ID_PEGASUS: | |
18a3b596 | 1271 | m = (typeof(m)){"LP9802", max_speed, "PCI-X"}; |
dea3101e | 1272 | break; |
1273 | case PCI_DEVICE_ID_THOR: | |
18a3b596 | 1274 | m = (typeof(m)){"LP10000", max_speed, "PCI-X"}; |
dea3101e | 1275 | break; |
1276 | case PCI_DEVICE_ID_VIPER: | |
18a3b596 | 1277 | m = (typeof(m)){"LPX1000", max_speed, "PCI-X"}; |
dea3101e | 1278 | break; |
1279 | case PCI_DEVICE_ID_PFLY: | |
18a3b596 | 1280 | m = (typeof(m)){"LP982", max_speed, "PCI-X"}; |
dea3101e | 1281 | break; |
1282 | case PCI_DEVICE_ID_TFLY: | |
18a3b596 | 1283 | m = (typeof(m)){"LP1050", max_speed, "PCI-X"}; |
dea3101e | 1284 | break; |
1285 | case PCI_DEVICE_ID_HELIOS: | |
18a3b596 | 1286 | m = (typeof(m)){"LP11000", max_speed, "PCI-X2"}; |
dea3101e | 1287 | break; |
e4adb204 | 1288 | case PCI_DEVICE_ID_HELIOS_SCSP: |
18a3b596 | 1289 | m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"}; |
e4adb204 JSEC |
1290 | break; |
1291 | case PCI_DEVICE_ID_HELIOS_DCSP: | |
18a3b596 | 1292 | m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"}; |
e4adb204 JSEC |
1293 | break; |
1294 | case PCI_DEVICE_ID_NEPTUNE: | |
18a3b596 | 1295 | m = (typeof(m)){"LPe1000", max_speed, "PCIe"}; |
e4adb204 JSEC |
1296 | break; |
1297 | case PCI_DEVICE_ID_NEPTUNE_SCSP: | |
18a3b596 | 1298 | m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"}; |
e4adb204 JSEC |
1299 | break; |
1300 | case PCI_DEVICE_ID_NEPTUNE_DCSP: | |
18a3b596 | 1301 | m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"}; |
e4adb204 | 1302 | break; |
dea3101e | 1303 | case PCI_DEVICE_ID_BMID: |
18a3b596 | 1304 | m = (typeof(m)){"LP1150", max_speed, "PCI-X2"}; |
dea3101e | 1305 | break; |
1306 | case PCI_DEVICE_ID_BSMB: | |
18a3b596 | 1307 | m = (typeof(m)){"LP111", max_speed, "PCI-X2"}; |
dea3101e | 1308 | break; |
1309 | case PCI_DEVICE_ID_ZEPHYR: | |
18a3b596 | 1310 | m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; |
dea3101e | 1311 | break; |
e4adb204 | 1312 | case PCI_DEVICE_ID_ZEPHYR_SCSP: |
18a3b596 | 1313 | m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; |
e4adb204 JSEC |
1314 | break; |
1315 | case PCI_DEVICE_ID_ZEPHYR_DCSP: | |
18a3b596 | 1316 | m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"}; |
e4adb204 | 1317 | break; |
dea3101e | 1318 | case PCI_DEVICE_ID_ZMID: |
18a3b596 | 1319 | m = (typeof(m)){"LPe1150", max_speed, "PCIe"}; |
dea3101e | 1320 | break; |
1321 | case PCI_DEVICE_ID_ZSMB: | |
18a3b596 | 1322 | m = (typeof(m)){"LPe111", max_speed, "PCIe"}; |
dea3101e | 1323 | break; |
1324 | case PCI_DEVICE_ID_LP101: | |
18a3b596 | 1325 | m = (typeof(m)){"LP101", max_speed, "PCI-X"}; |
dea3101e | 1326 | break; |
1327 | case PCI_DEVICE_ID_LP10000S: | |
18a3b596 | 1328 | m = (typeof(m)){"LP10000-S", max_speed, "PCI"}; |
06325e74 | 1329 | break; |
e4adb204 | 1330 | case PCI_DEVICE_ID_LP11000S: |
18a3b596 JS |
1331 | m = (typeof(m)){"LP11000-S", max_speed, |
1332 | "PCI-X2"}; | |
1333 | break; | |
e4adb204 | 1334 | case PCI_DEVICE_ID_LPE11000S: |
18a3b596 JS |
1335 | m = (typeof(m)){"LPe11000-S", max_speed, |
1336 | "PCIe"}; | |
5cc36b3c | 1337 | break; |
b87eab38 JS |
1338 | case PCI_DEVICE_ID_SAT: |
1339 | m = (typeof(m)){"LPe12000", max_speed, "PCIe"}; | |
1340 | break; | |
1341 | case PCI_DEVICE_ID_SAT_MID: | |
1342 | m = (typeof(m)){"LPe1250", max_speed, "PCIe"}; | |
1343 | break; | |
1344 | case PCI_DEVICE_ID_SAT_SMB: | |
1345 | m = (typeof(m)){"LPe121", max_speed, "PCIe"}; | |
1346 | break; | |
1347 | case PCI_DEVICE_ID_SAT_DCSP: | |
1348 | m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"}; | |
1349 | break; | |
1350 | case PCI_DEVICE_ID_SAT_SCSP: | |
1351 | m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"}; | |
1352 | break; | |
1353 | case PCI_DEVICE_ID_SAT_S: | |
1354 | m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"}; | |
1355 | break; | |
84774a4d JS |
1356 | case PCI_DEVICE_ID_HORNET: |
1357 | m = (typeof(m)){"LP21000", max_speed, "PCIe"}; | |
1358 | GE = 1; | |
1359 | break; | |
1360 | case PCI_DEVICE_ID_PROTEUS_VF: | |
1361 | m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"}; | |
1362 | break; | |
1363 | case PCI_DEVICE_ID_PROTEUS_PF: | |
1364 | m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"}; | |
1365 | break; | |
1366 | case PCI_DEVICE_ID_PROTEUS_S: | |
1367 | m = (typeof(m)) {"LPemv12002-S", max_speed, "PCIe IOV"}; | |
1368 | break; | |
5cc36b3c | 1369 | default: |
041976fb | 1370 | m = (typeof(m)){ NULL }; |
e4adb204 | 1371 | break; |
dea3101e | 1372 | } |
74b72a59 JW |
1373 | |
1374 | if (mdp && mdp[0] == '\0') | |
1375 | snprintf(mdp, 79,"%s", m.name); | |
1376 | if (descp && descp[0] == '\0') | |
1377 | snprintf(descp, 255, | |
84774a4d JS |
1378 | "Emulex %s %d%s %s %s", |
1379 | m.name, m.max_speed, | |
1380 | (GE) ? "GE" : "Gb", | |
1381 | m.bus, | |
1382 | (GE) ? "FCoE Adapter" : "Fibre Channel Adapter"); | |
dea3101e | 1383 | } |
1384 | ||
e59058c4 JS |
1385 | /** |
1386 | * lpfc_post_buffer: Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring. | |
1387 | * @phba: pointer to lpfc hba data structure. | |
1388 | * @pring: pointer to a IOCB ring. | |
1389 | * @cnt: the number of IOCBs to be posted to the IOCB ring. | |
1390 | * | |
1391 | * This routine posts a given number of IOCBs with the associated DMA buffer | |
1392 | * descriptors specified by the cnt argument to the given IOCB ring. | |
1393 | * | |
1394 | * Return codes | |
1395 | * The number of IOCBs NOT able to be posted to the IOCB ring. | |
1396 | **/ | |
dea3101e | 1397 | int |
495a714c | 1398 | lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) |
dea3101e | 1399 | { |
1400 | IOCB_t *icmd; | |
0bd4ca25 | 1401 | struct lpfc_iocbq *iocb; |
dea3101e | 1402 | struct lpfc_dmabuf *mp1, *mp2; |
1403 | ||
1404 | cnt += pring->missbufcnt; | |
1405 | ||
1406 | /* While there are buffers to post */ | |
1407 | while (cnt > 0) { | |
1408 | /* Allocate buffer for command iocb */ | |
0bd4ca25 | 1409 | iocb = lpfc_sli_get_iocbq(phba); |
dea3101e | 1410 | if (iocb == NULL) { |
1411 | pring->missbufcnt = cnt; | |
1412 | return cnt; | |
1413 | } | |
dea3101e | 1414 | icmd = &iocb->iocb; |
1415 | ||
1416 | /* 2 buffers can be posted per command */ | |
1417 | /* Allocate buffer to post */ | |
1418 | mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
1419 | if (mp1) | |
98c9ea5c JS |
1420 | mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); |
1421 | if (!mp1 || !mp1->virt) { | |
c9475cb0 | 1422 | kfree(mp1); |
604a3e30 | 1423 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 1424 | pring->missbufcnt = cnt; |
1425 | return cnt; | |
1426 | } | |
1427 | ||
1428 | INIT_LIST_HEAD(&mp1->list); | |
1429 | /* Allocate buffer to post */ | |
1430 | if (cnt > 1) { | |
1431 | mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
1432 | if (mp2) | |
1433 | mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
1434 | &mp2->phys); | |
98c9ea5c | 1435 | if (!mp2 || !mp2->virt) { |
c9475cb0 | 1436 | kfree(mp2); |
dea3101e | 1437 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
1438 | kfree(mp1); | |
604a3e30 | 1439 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 1440 | pring->missbufcnt = cnt; |
1441 | return cnt; | |
1442 | } | |
1443 | ||
1444 | INIT_LIST_HEAD(&mp2->list); | |
1445 | } else { | |
1446 | mp2 = NULL; | |
1447 | } | |
1448 | ||
1449 | icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); | |
1450 | icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); | |
1451 | icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; | |
1452 | icmd->ulpBdeCount = 1; | |
1453 | cnt--; | |
1454 | if (mp2) { | |
1455 | icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); | |
1456 | icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); | |
1457 | icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; | |
1458 | cnt--; | |
1459 | icmd->ulpBdeCount = 2; | |
1460 | } | |
1461 | ||
1462 | icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; | |
1463 | icmd->ulpLe = 1; | |
1464 | ||
dea3101e | 1465 | if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) { |
1466 | lpfc_mbuf_free(phba, mp1->virt, mp1->phys); | |
1467 | kfree(mp1); | |
1468 | cnt++; | |
1469 | if (mp2) { | |
1470 | lpfc_mbuf_free(phba, mp2->virt, mp2->phys); | |
1471 | kfree(mp2); | |
1472 | cnt++; | |
1473 | } | |
604a3e30 | 1474 | lpfc_sli_release_iocbq(phba, iocb); |
dea3101e | 1475 | pring->missbufcnt = cnt; |
dea3101e | 1476 | return cnt; |
1477 | } | |
dea3101e | 1478 | lpfc_sli_ringpostbuf_put(phba, pring, mp1); |
92d7f7b0 | 1479 | if (mp2) |
dea3101e | 1480 | lpfc_sli_ringpostbuf_put(phba, pring, mp2); |
dea3101e | 1481 | } |
1482 | pring->missbufcnt = 0; | |
1483 | return 0; | |
1484 | } | |
1485 | ||
e59058c4 JS |
1486 | /** |
1487 | * lpfc_post_rcv_buf: Post the initial receive IOCB buffers to ELS ring. | |
1488 | * @phba: pointer to lpfc hba data structure. | |
1489 | * | |
1490 | * This routine posts initial receive IOCB buffers to the ELS ring. The | |
1491 | * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is | |
1492 | * set to 64 IOCBs. | |
1493 | * | |
1494 | * Return codes | |
1495 | * 0 - success (currently always success) | |
1496 | **/ | |
dea3101e | 1497 | static int |
2e0fef85 | 1498 | lpfc_post_rcv_buf(struct lpfc_hba *phba) |
dea3101e | 1499 | { |
1500 | struct lpfc_sli *psli = &phba->sli; | |
1501 | ||
1502 | /* Ring 0, ELS / CT buffers */ | |
495a714c | 1503 | lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0); |
dea3101e | 1504 | /* Ring 2 - FCP no buffers needed */ |
1505 | ||
1506 | return 0; | |
1507 | } | |
1508 | ||
1509 | #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) | |
1510 | ||
e59058c4 JS |
1511 | /** |
1512 | * lpfc_sha_init: Set up initial array of hash table entries. | |
1513 | * @HashResultPointer: pointer to an array as hash table. | |
1514 | * | |
1515 | * This routine sets up the initial values to the array of hash table entries | |
1516 | * for the LC HBAs. | |
1517 | **/ | |
dea3101e | 1518 | static void |
1519 | lpfc_sha_init(uint32_t * HashResultPointer) | |
1520 | { | |
1521 | HashResultPointer[0] = 0x67452301; | |
1522 | HashResultPointer[1] = 0xEFCDAB89; | |
1523 | HashResultPointer[2] = 0x98BADCFE; | |
1524 | HashResultPointer[3] = 0x10325476; | |
1525 | HashResultPointer[4] = 0xC3D2E1F0; | |
1526 | } | |
1527 | ||
e59058c4 JS |
1528 | /** |
1529 | * lpfc_sha_iterate: Iterate initial hash table with the working hash table. | |
1530 | * @HashResultPointer: pointer to an initial/result hash table. | |
1531 | * @HashWorkingPointer: pointer to an working hash table. | |
1532 | * | |
1533 | * This routine iterates an initial hash table pointed by @HashResultPointer | |
1534 | * with the values from the working hash table pointeed by @HashWorkingPointer. | |
1535 | * The results are putting back to the initial hash table, returned through | |
1536 | * the @HashResultPointer as the result hash table. | |
1537 | **/ | |
dea3101e | 1538 | static void |
1539 | lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) | |
1540 | { | |
1541 | int t; | |
1542 | uint32_t TEMP; | |
1543 | uint32_t A, B, C, D, E; | |
1544 | t = 16; | |
1545 | do { | |
1546 | HashWorkingPointer[t] = | |
1547 | S(1, | |
1548 | HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - | |
1549 | 8] ^ | |
1550 | HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); | |
1551 | } while (++t <= 79); | |
1552 | t = 0; | |
1553 | A = HashResultPointer[0]; | |
1554 | B = HashResultPointer[1]; | |
1555 | C = HashResultPointer[2]; | |
1556 | D = HashResultPointer[3]; | |
1557 | E = HashResultPointer[4]; | |
1558 | ||
1559 | do { | |
1560 | if (t < 20) { | |
1561 | TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; | |
1562 | } else if (t < 40) { | |
1563 | TEMP = (B ^ C ^ D) + 0x6ED9EBA1; | |
1564 | } else if (t < 60) { | |
1565 | TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; | |
1566 | } else { | |
1567 | TEMP = (B ^ C ^ D) + 0xCA62C1D6; | |
1568 | } | |
1569 | TEMP += S(5, A) + E + HashWorkingPointer[t]; | |
1570 | E = D; | |
1571 | D = C; | |
1572 | C = S(30, B); | |
1573 | B = A; | |
1574 | A = TEMP; | |
1575 | } while (++t <= 79); | |
1576 | ||
1577 | HashResultPointer[0] += A; | |
1578 | HashResultPointer[1] += B; | |
1579 | HashResultPointer[2] += C; | |
1580 | HashResultPointer[3] += D; | |
1581 | HashResultPointer[4] += E; | |
1582 | ||
1583 | } | |
1584 | ||
e59058c4 JS |
1585 | /** |
1586 | * lpfc_challenge_key: Create challenge key based on WWPN of the HBA. | |
1587 | * @RandomChallenge: pointer to the entry of host challenge random number array. | |
1588 | * @HashWorking: pointer to the entry of the working hash array. | |
1589 | * | |
1590 | * This routine calculates the working hash array referred by @HashWorking | |
1591 | * from the challenge random numbers associated with the host, referred by | |
1592 | * @RandomChallenge. The result is put into the entry of the working hash | |
1593 | * array and returned by reference through @HashWorking. | |
1594 | **/ | |
dea3101e | 1595 | static void |
1596 | lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) | |
1597 | { | |
1598 | *HashWorking = (*RandomChallenge ^ *HashWorking); | |
1599 | } | |
1600 | ||
e59058c4 JS |
1601 | /** |
1602 | * lpfc_hba_init: Perform special handling for LC HBA initialization. | |
1603 | * @phba: pointer to lpfc hba data structure. | |
1604 | * @hbainit: pointer to an array of unsigned 32-bit integers. | |
1605 | * | |
1606 | * This routine performs the special handling for LC HBA initialization. | |
1607 | **/ | |
dea3101e | 1608 | void |
1609 | lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) | |
1610 | { | |
1611 | int t; | |
1612 | uint32_t *HashWorking; | |
2e0fef85 | 1613 | uint32_t *pwwnn = (uint32_t *) phba->wwnn; |
dea3101e | 1614 | |
bbfbbbc1 | 1615 | HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); |
dea3101e | 1616 | if (!HashWorking) |
1617 | return; | |
1618 | ||
dea3101e | 1619 | HashWorking[0] = HashWorking[78] = *pwwnn++; |
1620 | HashWorking[1] = HashWorking[79] = *pwwnn; | |
1621 | ||
1622 | for (t = 0; t < 7; t++) | |
1623 | lpfc_challenge_key(phba->RandomData + t, HashWorking + t); | |
1624 | ||
1625 | lpfc_sha_init(hbainit); | |
1626 | lpfc_sha_iterate(hbainit, HashWorking); | |
1627 | kfree(HashWorking); | |
1628 | } | |
1629 | ||
e59058c4 JS |
1630 | /** |
1631 | * lpfc_cleanup: Performs vport cleanups before deleting a vport. | |
1632 | * @vport: pointer to a virtual N_Port data structure. | |
1633 | * | |
1634 | * This routine performs the necessary cleanups before deleting the @vport. | |
1635 | * It invokes the discovery state machine to perform necessary state | |
1636 | * transitions and to release the ndlps associated with the @vport. Note, | |
1637 | * the physical port is treated as @vport 0. | |
1638 | **/ | |
87af33fe | 1639 | void |
2e0fef85 | 1640 | lpfc_cleanup(struct lpfc_vport *vport) |
dea3101e | 1641 | { |
87af33fe | 1642 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1643 | struct lpfc_nodelist *ndlp, *next_ndlp; |
a8adb832 | 1644 | int i = 0; |
dea3101e | 1645 | |
87af33fe JS |
1646 | if (phba->link_state > LPFC_LINK_DOWN) |
1647 | lpfc_port_link_failure(vport); | |
1648 | ||
1649 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
1650 | if (!NLP_CHK_NODE_ACT(ndlp)) { |
1651 | ndlp = lpfc_enable_node(vport, ndlp, | |
1652 | NLP_STE_UNUSED_NODE); | |
1653 | if (!ndlp) | |
1654 | continue; | |
1655 | spin_lock_irq(&phba->ndlp_lock); | |
1656 | NLP_SET_FREE_REQ(ndlp); | |
1657 | spin_unlock_irq(&phba->ndlp_lock); | |
1658 | /* Trigger the release of the ndlp memory */ | |
1659 | lpfc_nlp_put(ndlp); | |
1660 | continue; | |
1661 | } | |
1662 | spin_lock_irq(&phba->ndlp_lock); | |
1663 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
1664 | /* The ndlp should not be in memory free mode already */ | |
1665 | spin_unlock_irq(&phba->ndlp_lock); | |
1666 | continue; | |
1667 | } else | |
1668 | /* Indicate request for freeing ndlp memory */ | |
1669 | NLP_SET_FREE_REQ(ndlp); | |
1670 | spin_unlock_irq(&phba->ndlp_lock); | |
1671 | ||
58da1ffb JS |
1672 | if (vport->port_type != LPFC_PHYSICAL_PORT && |
1673 | ndlp->nlp_DID == Fabric_DID) { | |
1674 | /* Just free up ndlp with Fabric_DID for vports */ | |
1675 | lpfc_nlp_put(ndlp); | |
1676 | continue; | |
1677 | } | |
1678 | ||
87af33fe JS |
1679 | if (ndlp->nlp_type & NLP_FABRIC) |
1680 | lpfc_disc_state_machine(vport, ndlp, NULL, | |
1681 | NLP_EVT_DEVICE_RECOVERY); | |
e47c9093 | 1682 | |
87af33fe JS |
1683 | lpfc_disc_state_machine(vport, ndlp, NULL, |
1684 | NLP_EVT_DEVICE_RM); | |
495a714c | 1685 | |
87af33fe JS |
1686 | } |
1687 | ||
a8adb832 JS |
1688 | /* At this point, ALL ndlp's should be gone |
1689 | * because of the previous NLP_EVT_DEVICE_RM. | |
1690 | * Lets wait for this to happen, if needed. | |
1691 | */ | |
87af33fe JS |
1692 | while (!list_empty(&vport->fc_nodes)) { |
1693 | ||
a8adb832 | 1694 | if (i++ > 3000) { |
87af33fe | 1695 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
a8adb832 | 1696 | "0233 Nodelist not empty\n"); |
e47c9093 JS |
1697 | list_for_each_entry_safe(ndlp, next_ndlp, |
1698 | &vport->fc_nodes, nlp_listp) { | |
1699 | lpfc_printf_vlog(ndlp->vport, KERN_ERR, | |
1700 | LOG_NODE, | |
d7c255b2 | 1701 | "0282 did:x%x ndlp:x%p " |
e47c9093 JS |
1702 | "usgmap:x%x refcnt:%d\n", |
1703 | ndlp->nlp_DID, (void *)ndlp, | |
1704 | ndlp->nlp_usg_map, | |
1705 | atomic_read( | |
1706 | &ndlp->kref.refcount)); | |
1707 | } | |
a8adb832 | 1708 | break; |
87af33fe | 1709 | } |
a8adb832 JS |
1710 | |
1711 | /* Wait for any activity on ndlps to settle */ | |
1712 | msleep(10); | |
87af33fe | 1713 | } |
dea3101e | 1714 | return; |
1715 | } | |
1716 | ||
e59058c4 JS |
1717 | /** |
1718 | * lpfc_stop_vport_timers: Stop all the timers associated with a vport. | |
1719 | * @vport: pointer to a virtual N_Port data structure. | |
1720 | * | |
1721 | * This routine stops all the timers associated with a @vport. This function | |
1722 | * is invoked before disabling or deleting a @vport. Note that the physical | |
1723 | * port is treated as @vport 0. | |
1724 | **/ | |
92d7f7b0 JS |
1725 | void |
1726 | lpfc_stop_vport_timers(struct lpfc_vport *vport) | |
dea3101e | 1727 | { |
92d7f7b0 JS |
1728 | del_timer_sync(&vport->els_tmofunc); |
1729 | del_timer_sync(&vport->fc_fdmitmo); | |
1730 | lpfc_can_disctmo(vport); | |
1731 | return; | |
dea3101e | 1732 | } |
1733 | ||
e59058c4 JS |
1734 | /** |
1735 | * lpfc_stop_phba_timers: Stop all the timers associated with an HBA. | |
1736 | * @phba: pointer to lpfc hba data structure. | |
1737 | * | |
1738 | * This routine stops all the timers associated with a HBA. This function is | |
1739 | * invoked before either putting a HBA offline or unloading the driver. | |
1740 | **/ | |
2e0fef85 | 1741 | static void |
92d7f7b0 | 1742 | lpfc_stop_phba_timers(struct lpfc_hba *phba) |
dea3101e | 1743 | { |
875fbdfe | 1744 | del_timer_sync(&phba->fcp_poll_timer); |
51ef4c26 | 1745 | lpfc_stop_vport_timers(phba->pport); |
2e0fef85 | 1746 | del_timer_sync(&phba->sli.mbox_tmo); |
92d7f7b0 | 1747 | del_timer_sync(&phba->fabric_block_timer); |
858c9f6c JS |
1748 | phba->hb_outstanding = 0; |
1749 | del_timer_sync(&phba->hb_tmofunc); | |
9399627f | 1750 | del_timer_sync(&phba->eratt_poll); |
2e0fef85 | 1751 | return; |
dea3101e | 1752 | } |
1753 | ||
e59058c4 JS |
1754 | /** |
1755 | * lpfc_block_mgmt_io: Mark a HBA's management interface as blocked. | |
1756 | * @phba: pointer to lpfc hba data structure. | |
1757 | * | |
1758 | * This routine marks a HBA's management interface as blocked. Once the HBA's | |
1759 | * management interface is marked as blocked, all the user space access to | |
1760 | * the HBA, whether they are from sysfs interface or libdfc interface will | |
1761 | * all be blocked. The HBA is set to block the management interface when the | |
1762 | * driver prepares the HBA interface for online or offline. | |
1763 | **/ | |
a6ababd2 AB |
1764 | static void |
1765 | lpfc_block_mgmt_io(struct lpfc_hba * phba) | |
1766 | { | |
1767 | unsigned long iflag; | |
1768 | ||
1769 | spin_lock_irqsave(&phba->hbalock, iflag); | |
1770 | phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; | |
1771 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
1772 | } | |
1773 | ||
e59058c4 JS |
1774 | /** |
1775 | * lpfc_online: Initialize and bring a HBA online. | |
1776 | * @phba: pointer to lpfc hba data structure. | |
1777 | * | |
1778 | * This routine initializes the HBA and brings a HBA online. During this | |
1779 | * process, the management interface is blocked to prevent user space access | |
1780 | * to the HBA interfering with the driver initialization. | |
1781 | * | |
1782 | * Return codes | |
1783 | * 0 - successful | |
1784 | * 1 - failed | |
1785 | **/ | |
dea3101e | 1786 | int |
2e0fef85 | 1787 | lpfc_online(struct lpfc_hba *phba) |
dea3101e | 1788 | { |
2e0fef85 | 1789 | struct lpfc_vport *vport = phba->pport; |
549e55cd JS |
1790 | struct lpfc_vport **vports; |
1791 | int i; | |
2e0fef85 | 1792 | |
dea3101e | 1793 | if (!phba) |
1794 | return 0; | |
1795 | ||
2e0fef85 | 1796 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) |
dea3101e | 1797 | return 0; |
1798 | ||
ed957684 | 1799 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 1800 | "0458 Bring Adapter online\n"); |
dea3101e | 1801 | |
46fa311e JS |
1802 | lpfc_block_mgmt_io(phba); |
1803 | ||
1804 | if (!lpfc_sli_queue_setup(phba)) { | |
1805 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 1806 | return 1; |
46fa311e | 1807 | } |
dea3101e | 1808 | |
46fa311e JS |
1809 | if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */ |
1810 | lpfc_unblock_mgmt_io(phba); | |
dea3101e | 1811 | return 1; |
46fa311e | 1812 | } |
dea3101e | 1813 | |
549e55cd JS |
1814 | vports = lpfc_create_vport_work_array(phba); |
1815 | if (vports != NULL) | |
09372820 | 1816 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
549e55cd JS |
1817 | struct Scsi_Host *shost; |
1818 | shost = lpfc_shost_from_vport(vports[i]); | |
1819 | spin_lock_irq(shost->host_lock); | |
1820 | vports[i]->fc_flag &= ~FC_OFFLINE_MODE; | |
1821 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
1822 | vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
1823 | spin_unlock_irq(shost->host_lock); | |
1824 | } | |
09372820 | 1825 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 1826 | |
46fa311e | 1827 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 1828 | return 0; |
1829 | } | |
1830 | ||
e59058c4 JS |
1831 | /** |
1832 | * lpfc_unblock_mgmt_io: Mark a HBA's management interface to be not blocked. | |
1833 | * @phba: pointer to lpfc hba data structure. | |
1834 | * | |
1835 | * This routine marks a HBA's management interface as not blocked. Once the | |
1836 | * HBA's management interface is marked as not blocked, all the user space | |
1837 | * access to the HBA, whether they are from sysfs interface or libdfc | |
1838 | * interface will be allowed. The HBA is set to block the management interface | |
1839 | * when the driver prepares the HBA interface for online or offline and then | |
1840 | * set to unblock the management interface afterwards. | |
1841 | **/ | |
46fa311e JS |
1842 | void |
1843 | lpfc_unblock_mgmt_io(struct lpfc_hba * phba) | |
1844 | { | |
1845 | unsigned long iflag; | |
1846 | ||
2e0fef85 JS |
1847 | spin_lock_irqsave(&phba->hbalock, iflag); |
1848 | phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; | |
1849 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
46fa311e JS |
1850 | } |
1851 | ||
e59058c4 JS |
1852 | /** |
1853 | * lpfc_offline_prep: Prepare a HBA to be brought offline. | |
1854 | * @phba: pointer to lpfc hba data structure. | |
1855 | * | |
1856 | * This routine is invoked to prepare a HBA to be brought offline. It performs | |
1857 | * unregistration login to all the nodes on all vports and flushes the mailbox | |
1858 | * queue to make it ready to be brought offline. | |
1859 | **/ | |
46fa311e JS |
1860 | void |
1861 | lpfc_offline_prep(struct lpfc_hba * phba) | |
1862 | { | |
2e0fef85 | 1863 | struct lpfc_vport *vport = phba->pport; |
46fa311e | 1864 | struct lpfc_nodelist *ndlp, *next_ndlp; |
87af33fe JS |
1865 | struct lpfc_vport **vports; |
1866 | int i; | |
dea3101e | 1867 | |
2e0fef85 | 1868 | if (vport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 1869 | return; |
dea3101e | 1870 | |
46fa311e | 1871 | lpfc_block_mgmt_io(phba); |
dea3101e | 1872 | |
1873 | lpfc_linkdown(phba); | |
1874 | ||
87af33fe JS |
1875 | /* Issue an unreg_login to all nodes on all vports */ |
1876 | vports = lpfc_create_vport_work_array(phba); | |
1877 | if (vports != NULL) { | |
09372820 | 1878 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
87af33fe JS |
1879 | struct Scsi_Host *shost; |
1880 | ||
a8adb832 JS |
1881 | if (vports[i]->load_flag & FC_UNLOADING) |
1882 | continue; | |
87af33fe JS |
1883 | shost = lpfc_shost_from_vport(vports[i]); |
1884 | list_for_each_entry_safe(ndlp, next_ndlp, | |
1885 | &vports[i]->fc_nodes, | |
1886 | nlp_listp) { | |
e47c9093 JS |
1887 | if (!NLP_CHK_NODE_ACT(ndlp)) |
1888 | continue; | |
87af33fe JS |
1889 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
1890 | continue; | |
1891 | if (ndlp->nlp_type & NLP_FABRIC) { | |
1892 | lpfc_disc_state_machine(vports[i], ndlp, | |
1893 | NULL, NLP_EVT_DEVICE_RECOVERY); | |
1894 | lpfc_disc_state_machine(vports[i], ndlp, | |
1895 | NULL, NLP_EVT_DEVICE_RM); | |
1896 | } | |
1897 | spin_lock_irq(shost->host_lock); | |
1898 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
1899 | spin_unlock_irq(shost->host_lock); | |
1900 | lpfc_unreg_rpi(vports[i], ndlp); | |
1901 | } | |
1902 | } | |
1903 | } | |
09372820 | 1904 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 1905 | |
46fa311e JS |
1906 | lpfc_sli_flush_mbox_queue(phba); |
1907 | } | |
1908 | ||
e59058c4 JS |
1909 | /** |
1910 | * lpfc_offline: Bring a HBA offline. | |
1911 | * @phba: pointer to lpfc hba data structure. | |
1912 | * | |
1913 | * This routine actually brings a HBA offline. It stops all the timers | |
1914 | * associated with the HBA, brings down the SLI layer, and eventually | |
1915 | * marks the HBA as in offline state for the upper layer protocol. | |
1916 | **/ | |
46fa311e | 1917 | void |
2e0fef85 | 1918 | lpfc_offline(struct lpfc_hba *phba) |
46fa311e | 1919 | { |
549e55cd JS |
1920 | struct Scsi_Host *shost; |
1921 | struct lpfc_vport **vports; | |
1922 | int i; | |
46fa311e | 1923 | |
549e55cd | 1924 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
46fa311e | 1925 | return; |
688a8863 | 1926 | |
dea3101e | 1927 | /* stop all timers associated with this hba */ |
92d7f7b0 | 1928 | lpfc_stop_phba_timers(phba); |
51ef4c26 JS |
1929 | vports = lpfc_create_vport_work_array(phba); |
1930 | if (vports != NULL) | |
09372820 | 1931 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) |
51ef4c26 | 1932 | lpfc_stop_vport_timers(vports[i]); |
09372820 | 1933 | lpfc_destroy_vport_work_array(phba, vports); |
92d7f7b0 | 1934 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
e8b62011 | 1935 | "0460 Bring Adapter offline\n"); |
dea3101e | 1936 | /* Bring down the SLI Layer and cleanup. The HBA is offline |
1937 | now. */ | |
1938 | lpfc_sli_hba_down(phba); | |
92d7f7b0 | 1939 | spin_lock_irq(&phba->hbalock); |
7054a606 | 1940 | phba->work_ha = 0; |
92d7f7b0 | 1941 | spin_unlock_irq(&phba->hbalock); |
549e55cd JS |
1942 | vports = lpfc_create_vport_work_array(phba); |
1943 | if (vports != NULL) | |
09372820 | 1944 | for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
549e55cd | 1945 | shost = lpfc_shost_from_vport(vports[i]); |
549e55cd JS |
1946 | spin_lock_irq(shost->host_lock); |
1947 | vports[i]->work_port_events = 0; | |
1948 | vports[i]->fc_flag |= FC_OFFLINE_MODE; | |
1949 | spin_unlock_irq(shost->host_lock); | |
1950 | } | |
09372820 | 1951 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 1952 | } |
1953 | ||
e59058c4 JS |
1954 | /** |
1955 | * lpfc_scsi_free: Free all the SCSI buffers and IOCBs from driver lists. | |
1956 | * @phba: pointer to lpfc hba data structure. | |
1957 | * | |
1958 | * This routine is to free all the SCSI buffers and IOCBs from the driver | |
1959 | * list back to kernel. It is called from lpfc_pci_remove_one to free | |
1960 | * the internal resources before the device is removed from the system. | |
1961 | * | |
1962 | * Return codes | |
1963 | * 0 - successful (for now, it always returns 0) | |
1964 | **/ | |
dea3101e | 1965 | static int |
2e0fef85 | 1966 | lpfc_scsi_free(struct lpfc_hba *phba) |
dea3101e | 1967 | { |
1968 | struct lpfc_scsi_buf *sb, *sb_next; | |
1969 | struct lpfc_iocbq *io, *io_next; | |
1970 | ||
2e0fef85 | 1971 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1972 | /* Release all the lpfc_scsi_bufs maintained by this host. */ |
1973 | list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { | |
1974 | list_del(&sb->list); | |
1975 | pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, | |
92d7f7b0 | 1976 | sb->dma_handle); |
dea3101e | 1977 | kfree(sb); |
1978 | phba->total_scsi_bufs--; | |
1979 | } | |
1980 | ||
1981 | /* Release all the lpfc_iocbq entries maintained by this host. */ | |
1982 | list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { | |
1983 | list_del(&io->list); | |
1984 | kfree(io); | |
1985 | phba->total_iocbq_bufs--; | |
1986 | } | |
1987 | ||
2e0fef85 | 1988 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1989 | |
1990 | return 0; | |
1991 | } | |
1992 | ||
e59058c4 JS |
1993 | /** |
1994 | * lpfc_create_port: Create an FC port. | |
1995 | * @phba: pointer to lpfc hba data structure. | |
1996 | * @instance: a unique integer ID to this FC port. | |
1997 | * @dev: pointer to the device data structure. | |
1998 | * | |
1999 | * This routine creates a FC port for the upper layer protocol. The FC port | |
2000 | * can be created on top of either a physical port or a virtual port provided | |
2001 | * by the HBA. This routine also allocates a SCSI host data structure (shost) | |
2002 | * and associates the FC port created before adding the shost into the SCSI | |
2003 | * layer. | |
2004 | * | |
2005 | * Return codes | |
2006 | * @vport - pointer to the virtual N_Port data structure. | |
2007 | * NULL - port create failed. | |
2008 | **/ | |
2e0fef85 | 2009 | struct lpfc_vport * |
3de2a653 | 2010 | lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) |
47a8617c | 2011 | { |
2e0fef85 JS |
2012 | struct lpfc_vport *vport; |
2013 | struct Scsi_Host *shost; | |
2014 | int error = 0; | |
47a8617c | 2015 | |
3de2a653 JS |
2016 | if (dev != &phba->pcidev->dev) |
2017 | shost = scsi_host_alloc(&lpfc_vport_template, | |
2018 | sizeof(struct lpfc_vport)); | |
2019 | else | |
2020 | shost = scsi_host_alloc(&lpfc_template, | |
2021 | sizeof(struct lpfc_vport)); | |
2e0fef85 JS |
2022 | if (!shost) |
2023 | goto out; | |
47a8617c | 2024 | |
2e0fef85 JS |
2025 | vport = (struct lpfc_vport *) shost->hostdata; |
2026 | vport->phba = phba; | |
2e0fef85 | 2027 | vport->load_flag |= FC_LOADING; |
92d7f7b0 | 2028 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
7f5f3d0d | 2029 | vport->fc_rscn_flush = 0; |
47a8617c | 2030 | |
3de2a653 | 2031 | lpfc_get_vport_cfgparam(vport); |
2e0fef85 JS |
2032 | shost->unique_id = instance; |
2033 | shost->max_id = LPFC_MAX_TARGET; | |
3de2a653 | 2034 | shost->max_lun = vport->cfg_max_luns; |
2e0fef85 JS |
2035 | shost->this_id = -1; |
2036 | shost->max_cmd_len = 16; | |
47a8617c | 2037 | /* |
2e0fef85 JS |
2038 | * Set initial can_queue value since 0 is no longer supported and |
2039 | * scsi_add_host will fail. This will be adjusted later based on the | |
2040 | * max xri value determined in hba setup. | |
47a8617c | 2041 | */ |
2e0fef85 | 2042 | shost->can_queue = phba->cfg_hba_queue_depth - 10; |
3de2a653 | 2043 | if (dev != &phba->pcidev->dev) { |
92d7f7b0 JS |
2044 | shost->transportt = lpfc_vport_transport_template; |
2045 | vport->port_type = LPFC_NPIV_PORT; | |
2046 | } else { | |
2047 | shost->transportt = lpfc_transport_template; | |
2048 | vport->port_type = LPFC_PHYSICAL_PORT; | |
2049 | } | |
47a8617c | 2050 | |
2e0fef85 JS |
2051 | /* Initialize all internally managed lists. */ |
2052 | INIT_LIST_HEAD(&vport->fc_nodes); | |
2053 | spin_lock_init(&vport->work_port_lock); | |
47a8617c | 2054 | |
2e0fef85 JS |
2055 | init_timer(&vport->fc_disctmo); |
2056 | vport->fc_disctmo.function = lpfc_disc_timeout; | |
92d7f7b0 | 2057 | vport->fc_disctmo.data = (unsigned long)vport; |
47a8617c | 2058 | |
2e0fef85 JS |
2059 | init_timer(&vport->fc_fdmitmo); |
2060 | vport->fc_fdmitmo.function = lpfc_fdmi_tmo; | |
92d7f7b0 | 2061 | vport->fc_fdmitmo.data = (unsigned long)vport; |
47a8617c | 2062 | |
2e0fef85 JS |
2063 | init_timer(&vport->els_tmofunc); |
2064 | vport->els_tmofunc.function = lpfc_els_timeout; | |
92d7f7b0 | 2065 | vport->els_tmofunc.data = (unsigned long)vport; |
47a8617c | 2066 | |
3de2a653 | 2067 | error = scsi_add_host(shost, dev); |
2e0fef85 JS |
2068 | if (error) |
2069 | goto out_put_shost; | |
47a8617c | 2070 | |
549e55cd | 2071 | spin_lock_irq(&phba->hbalock); |
2e0fef85 | 2072 | list_add_tail(&vport->listentry, &phba->port_list); |
549e55cd | 2073 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 2074 | return vport; |
47a8617c | 2075 | |
2e0fef85 JS |
2076 | out_put_shost: |
2077 | scsi_host_put(shost); | |
2078 | out: | |
2079 | return NULL; | |
47a8617c JS |
2080 | } |
2081 | ||
e59058c4 JS |
2082 | /** |
2083 | * destroy_port: Destroy an FC port. | |
2084 | * @vport: pointer to an lpfc virtual N_Port data structure. | |
2085 | * | |
2086 | * This routine destroys a FC port from the upper layer protocol. All the | |
2087 | * resources associated with the port are released. | |
2088 | **/ | |
2e0fef85 JS |
2089 | void |
2090 | destroy_port(struct lpfc_vport *vport) | |
47a8617c | 2091 | { |
92d7f7b0 JS |
2092 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2093 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 2094 | |
858c9f6c | 2095 | lpfc_debugfs_terminate(vport); |
92d7f7b0 JS |
2096 | fc_remove_host(shost); |
2097 | scsi_remove_host(shost); | |
47a8617c | 2098 | |
92d7f7b0 JS |
2099 | spin_lock_irq(&phba->hbalock); |
2100 | list_del_init(&vport->listentry); | |
2101 | spin_unlock_irq(&phba->hbalock); | |
47a8617c | 2102 | |
92d7f7b0 | 2103 | lpfc_cleanup(vport); |
47a8617c | 2104 | return; |
47a8617c JS |
2105 | } |
2106 | ||
e59058c4 JS |
2107 | /** |
2108 | * lpfc_get_instance: Get a unique integer ID. | |
2109 | * | |
2110 | * This routine allocates a unique integer ID from lpfc_hba_index pool. It | |
2111 | * uses the kernel idr facility to perform the task. | |
2112 | * | |
2113 | * Return codes: | |
2114 | * instance - a unique integer ID allocated as the new instance. | |
2115 | * -1 - lpfc get instance failed. | |
2116 | **/ | |
92d7f7b0 JS |
2117 | int |
2118 | lpfc_get_instance(void) | |
2119 | { | |
2120 | int instance = 0; | |
47a8617c | 2121 | |
92d7f7b0 JS |
2122 | /* Assign an unused number */ |
2123 | if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) | |
2124 | return -1; | |
2125 | if (idr_get_new(&lpfc_hba_index, NULL, &instance)) | |
2126 | return -1; | |
2127 | return instance; | |
47a8617c JS |
2128 | } |
2129 | ||
e59058c4 JS |
2130 | /** |
2131 | * lpfc_scan_finished: method for SCSI layer to detect whether scan is done. | |
2132 | * @shost: pointer to SCSI host data structure. | |
2133 | * @time: elapsed time of the scan in jiffies. | |
2134 | * | |
2135 | * This routine is called by the SCSI layer with a SCSI host to determine | |
2136 | * whether the scan host is finished. | |
2137 | * | |
2138 | * Note: there is no scan_start function as adapter initialization will have | |
2139 | * asynchronously kicked off the link initialization. | |
2140 | * | |
2141 | * Return codes | |
2142 | * 0 - SCSI host scan is not over yet. | |
2143 | * 1 - SCSI host scan is over. | |
2144 | **/ | |
47a8617c JS |
2145 | int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) |
2146 | { | |
2e0fef85 JS |
2147 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2148 | struct lpfc_hba *phba = vport->phba; | |
858c9f6c | 2149 | int stat = 0; |
47a8617c | 2150 | |
858c9f6c JS |
2151 | spin_lock_irq(shost->host_lock); |
2152 | ||
51ef4c26 | 2153 | if (vport->load_flag & FC_UNLOADING) { |
858c9f6c JS |
2154 | stat = 1; |
2155 | goto finished; | |
2156 | } | |
2e0fef85 JS |
2157 | if (time >= 30 * HZ) { |
2158 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
2159 | "0461 Scanning longer than 30 " |
2160 | "seconds. Continuing initialization\n"); | |
858c9f6c | 2161 | stat = 1; |
47a8617c | 2162 | goto finished; |
2e0fef85 JS |
2163 | } |
2164 | if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) { | |
2165 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
2166 | "0465 Link down longer than 15 " |
2167 | "seconds. Continuing initialization\n"); | |
858c9f6c | 2168 | stat = 1; |
47a8617c | 2169 | goto finished; |
2e0fef85 | 2170 | } |
47a8617c | 2171 | |
2e0fef85 | 2172 | if (vport->port_state != LPFC_VPORT_READY) |
858c9f6c | 2173 | goto finished; |
2e0fef85 | 2174 | if (vport->num_disc_nodes || vport->fc_prli_sent) |
858c9f6c | 2175 | goto finished; |
2e0fef85 | 2176 | if (vport->fc_map_cnt == 0 && time < 2 * HZ) |
858c9f6c | 2177 | goto finished; |
2e0fef85 | 2178 | if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) |
858c9f6c JS |
2179 | goto finished; |
2180 | ||
2181 | stat = 1; | |
47a8617c JS |
2182 | |
2183 | finished: | |
858c9f6c JS |
2184 | spin_unlock_irq(shost->host_lock); |
2185 | return stat; | |
92d7f7b0 | 2186 | } |
47a8617c | 2187 | |
e59058c4 JS |
2188 | /** |
2189 | * lpfc_host_attrib_init: Initialize SCSI host attributes on a FC port. | |
2190 | * @shost: pointer to SCSI host data structure. | |
2191 | * | |
2192 | * This routine initializes a given SCSI host attributes on a FC port. The | |
2193 | * SCSI host can be either on top of a physical port or a virtual port. | |
2194 | **/ | |
92d7f7b0 JS |
2195 | void lpfc_host_attrib_init(struct Scsi_Host *shost) |
2196 | { | |
2197 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2198 | struct lpfc_hba *phba = vport->phba; | |
47a8617c | 2199 | /* |
2e0fef85 | 2200 | * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). |
47a8617c JS |
2201 | */ |
2202 | ||
2e0fef85 JS |
2203 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); |
2204 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
47a8617c JS |
2205 | fc_host_supported_classes(shost) = FC_COS_CLASS3; |
2206 | ||
2207 | memset(fc_host_supported_fc4s(shost), 0, | |
2e0fef85 | 2208 | sizeof(fc_host_supported_fc4s(shost))); |
47a8617c JS |
2209 | fc_host_supported_fc4s(shost)[2] = 1; |
2210 | fc_host_supported_fc4s(shost)[7] = 1; | |
2211 | ||
92d7f7b0 JS |
2212 | lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), |
2213 | sizeof fc_host_symbolic_name(shost)); | |
47a8617c JS |
2214 | |
2215 | fc_host_supported_speeds(shost) = 0; | |
2216 | if (phba->lmt & LMT_10Gb) | |
2217 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; | |
a8adb832 JS |
2218 | if (phba->lmt & LMT_8Gb) |
2219 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; | |
47a8617c JS |
2220 | if (phba->lmt & LMT_4Gb) |
2221 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; | |
2222 | if (phba->lmt & LMT_2Gb) | |
2223 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; | |
2224 | if (phba->lmt & LMT_1Gb) | |
2225 | fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; | |
2226 | ||
2227 | fc_host_maxframe_size(shost) = | |
2e0fef85 JS |
2228 | (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | |
2229 | (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; | |
47a8617c JS |
2230 | |
2231 | /* This value is also unchanging */ | |
2232 | memset(fc_host_active_fc4s(shost), 0, | |
2e0fef85 | 2233 | sizeof(fc_host_active_fc4s(shost))); |
47a8617c JS |
2234 | fc_host_active_fc4s(shost)[2] = 1; |
2235 | fc_host_active_fc4s(shost)[7] = 1; | |
2236 | ||
92d7f7b0 | 2237 | fc_host_max_npiv_vports(shost) = phba->max_vpi; |
47a8617c | 2238 | spin_lock_irq(shost->host_lock); |
51ef4c26 | 2239 | vport->load_flag &= ~FC_LOADING; |
47a8617c | 2240 | spin_unlock_irq(shost->host_lock); |
47a8617c | 2241 | } |
dea3101e | 2242 | |
e59058c4 JS |
2243 | /** |
2244 | * lpfc_enable_msix: Enable MSI-X interrupt mode. | |
2245 | * @phba: pointer to lpfc hba data structure. | |
2246 | * | |
2247 | * This routine is invoked to enable the MSI-X interrupt vectors. The kernel | |
2248 | * function pci_enable_msix() is called to enable the MSI-X vectors. Note that | |
2249 | * pci_enable_msix(), once invoked, enables either all or nothing, depending | |
2250 | * on the current availability of PCI vector resources. The device driver is | |
2251 | * responsible for calling the individual request_irq() to register each MSI-X | |
2252 | * vector with a interrupt handler, which is done in this function. Note that | |
2253 | * later when device is unloading, the driver should always call free_irq() | |
2254 | * on all MSI-X vectors it has done request_irq() on before calling | |
2255 | * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device | |
2256 | * will be left with MSI-X enabled and leaks its vectors. | |
2257 | * | |
2258 | * Return codes | |
2259 | * 0 - sucessful | |
2260 | * other values - error | |
2261 | **/ | |
db2378e0 JS |
2262 | static int |
2263 | lpfc_enable_msix(struct lpfc_hba *phba) | |
2264 | { | |
9399627f JS |
2265 | int rc, i; |
2266 | LPFC_MBOXQ_t *pmb; | |
db2378e0 | 2267 | |
9399627f JS |
2268 | /* Set up MSI-X multi-message vectors */ |
2269 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
2270 | phba->msix_entries[i].entry = i; | |
db2378e0 | 2271 | |
9399627f JS |
2272 | /* Configure MSI-X capability structure */ |
2273 | rc = pci_enable_msix(phba->pcidev, phba->msix_entries, | |
db2378e0 | 2274 | ARRAY_SIZE(phba->msix_entries)); |
9399627f | 2275 | if (rc) { |
db2378e0 | 2276 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
5b75da2f | 2277 | "0420 PCI enable MSI-X failed (%d)\n", rc); |
9399627f JS |
2278 | goto msi_fail_out; |
2279 | } else | |
2280 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
2281 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2282 | "0477 MSI-X entry[%d]: vector=x%x " | |
2283 | "message=%d\n", i, | |
2284 | phba->msix_entries[i].vector, | |
2285 | phba->msix_entries[i].entry); | |
2286 | /* | |
2287 | * Assign MSI-X vectors to interrupt handlers | |
2288 | */ | |
2289 | ||
2290 | /* vector-0 is associated to slow-path handler */ | |
2291 | rc = request_irq(phba->msix_entries[0].vector, &lpfc_sp_intr_handler, | |
2292 | IRQF_SHARED, LPFC_SP_DRIVER_HANDLER_NAME, phba); | |
2293 | if (rc) { | |
5b75da2f | 2294 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
9399627f | 2295 | "0421 MSI-X slow-path request_irq failed " |
5b75da2f | 2296 | "(%d)\n", rc); |
9399627f | 2297 | goto msi_fail_out; |
db2378e0 JS |
2298 | } |
2299 | ||
9399627f JS |
2300 | /* vector-1 is associated to fast-path handler */ |
2301 | rc = request_irq(phba->msix_entries[1].vector, &lpfc_fp_intr_handler, | |
2302 | IRQF_SHARED, LPFC_FP_DRIVER_HANDLER_NAME, phba); | |
2303 | ||
2304 | if (rc) { | |
5b75da2f | 2305 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
9399627f | 2306 | "0429 MSI-X fast-path request_irq failed " |
5b75da2f | 2307 | "(%d)\n", rc); |
9399627f | 2308 | goto irq_fail_out; |
db2378e0 | 2309 | } |
9399627f JS |
2310 | |
2311 | /* | |
2312 | * Configure HBA MSI-X attention conditions to messages | |
2313 | */ | |
2314 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2315 | ||
2316 | if (!pmb) { | |
2317 | rc = -ENOMEM; | |
2318 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2319 | "0474 Unable to allocate memory for issuing " | |
2320 | "MBOX_CONFIG_MSI command\n"); | |
2321 | goto mem_fail_out; | |
2322 | } | |
2323 | rc = lpfc_config_msi(phba, pmb); | |
2324 | if (rc) | |
2325 | goto mbx_fail_out; | |
2326 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
2327 | if (rc != MBX_SUCCESS) { | |
5b75da2f | 2328 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, |
9399627f JS |
2329 | "0351 Config MSI mailbox command failed, " |
2330 | "mbxCmd x%x, mbxStatus x%x\n", | |
2331 | pmb->mb.mbxCommand, pmb->mb.mbxStatus); | |
2332 | goto mbx_fail_out; | |
2333 | } | |
2334 | ||
2335 | /* Free memory allocated for mailbox command */ | |
2336 | mempool_free(pmb, phba->mbox_mem_pool); | |
2337 | return rc; | |
2338 | ||
2339 | mbx_fail_out: | |
2340 | /* Free memory allocated for mailbox command */ | |
2341 | mempool_free(pmb, phba->mbox_mem_pool); | |
2342 | ||
2343 | mem_fail_out: | |
2344 | /* free the irq already requested */ | |
2345 | free_irq(phba->msix_entries[1].vector, phba); | |
2346 | ||
2347 | irq_fail_out: | |
2348 | /* free the irq already requested */ | |
2349 | free_irq(phba->msix_entries[0].vector, phba); | |
2350 | ||
2351 | msi_fail_out: | |
2352 | /* Unconfigure MSI-X capability structure */ | |
2353 | pci_disable_msix(phba->pcidev); | |
2354 | return rc; | |
db2378e0 JS |
2355 | } |
2356 | ||
e59058c4 JS |
2357 | /** |
2358 | * lpfc_disable_msix: Disable MSI-X interrupt mode. | |
2359 | * @phba: pointer to lpfc hba data structure. | |
2360 | * | |
2361 | * This routine is invoked to release the MSI-X vectors and then disable the | |
2362 | * MSI-X interrupt mode. | |
2363 | **/ | |
db2378e0 JS |
2364 | static void |
2365 | lpfc_disable_msix(struct lpfc_hba *phba) | |
2366 | { | |
9399627f JS |
2367 | int i; |
2368 | ||
2369 | /* Free up MSI-X multi-message vectors */ | |
2370 | for (i = 0; i < LPFC_MSIX_VECTORS; i++) | |
2371 | free_irq(phba->msix_entries[i].vector, phba); | |
2372 | /* Disable MSI-X */ | |
db2378e0 JS |
2373 | pci_disable_msix(phba->pcidev); |
2374 | } | |
2375 | ||
5b75da2f JS |
2376 | /** |
2377 | * lpfc_enable_msi: Enable MSI interrupt mode. | |
2378 | * @phba: pointer to lpfc hba data structure. | |
2379 | * | |
2380 | * This routine is invoked to enable the MSI interrupt mode. The kernel | |
2381 | * function pci_enable_msi() is called to enable the MSI vector. The | |
2382 | * device driver is responsible for calling the request_irq() to register | |
2383 | * MSI vector with a interrupt the handler, which is done in this function. | |
2384 | * | |
2385 | * Return codes | |
2386 | * 0 - sucessful | |
2387 | * other values - error | |
2388 | */ | |
2389 | static int | |
2390 | lpfc_enable_msi(struct lpfc_hba *phba) | |
2391 | { | |
2392 | int rc; | |
2393 | ||
2394 | rc = pci_enable_msi(phba->pcidev); | |
2395 | if (!rc) | |
2396 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2397 | "0462 PCI enable MSI mode success.\n"); | |
2398 | else { | |
2399 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2400 | "0471 PCI enable MSI mode failed (%d)\n", rc); | |
2401 | return rc; | |
2402 | } | |
2403 | ||
2404 | rc = request_irq(phba->pcidev->irq, lpfc_intr_handler, | |
2405 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
2406 | if (rc) { | |
2407 | pci_disable_msi(phba->pcidev); | |
2408 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
2409 | "0478 MSI request_irq failed (%d)\n", rc); | |
2410 | } | |
2411 | return rc; | |
2412 | } | |
2413 | ||
2414 | /** | |
2415 | * lpfc_disable_msi: Disable MSI interrupt mode. | |
2416 | * @phba: pointer to lpfc hba data structure. | |
2417 | * | |
2418 | * This routine is invoked to disable the MSI interrupt mode. The driver | |
2419 | * calls free_irq() on MSI vector it has done request_irq() on before | |
2420 | * calling pci_disable_msi(). Failure to do so results in a BUG_ON() and | |
2421 | * a device will be left with MSI enabled and leaks its vector. | |
2422 | */ | |
2423 | ||
2424 | static void | |
2425 | lpfc_disable_msi(struct lpfc_hba *phba) | |
2426 | { | |
2427 | free_irq(phba->pcidev->irq, phba); | |
2428 | pci_disable_msi(phba->pcidev); | |
2429 | return; | |
2430 | } | |
2431 | ||
2432 | /** | |
2433 | * lpfc_log_intr_mode: Log the active interrupt mode | |
2434 | * @phba: pointer to lpfc hba data structure. | |
2435 | * @intr_mode: active interrupt mode adopted. | |
2436 | * | |
2437 | * This routine it invoked to log the currently used active interrupt mode | |
2438 | * to the device. | |
2439 | */ | |
2440 | static void | |
2441 | lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode) | |
2442 | { | |
2443 | switch (intr_mode) { | |
2444 | case 0: | |
2445 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2446 | "0470 Enable INTx interrupt mode.\n"); | |
2447 | break; | |
2448 | case 1: | |
2449 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2450 | "0481 Enabled MSI interrupt mode.\n"); | |
2451 | break; | |
2452 | case 2: | |
2453 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2454 | "0480 Enabled MSI-X interrupt mode.\n"); | |
2455 | break; | |
2456 | default: | |
2457 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2458 | "0482 Illegal interrupt mode.\n"); | |
2459 | break; | |
2460 | } | |
2461 | return; | |
2462 | } | |
2463 | ||
2464 | static void | |
2465 | lpfc_stop_port(struct lpfc_hba *phba) | |
2466 | { | |
2467 | /* Clear all interrupt enable conditions */ | |
2468 | writel(0, phba->HCregaddr); | |
2469 | readl(phba->HCregaddr); /* flush */ | |
2470 | /* Clear all pending interrupts */ | |
2471 | writel(0xffffffff, phba->HAregaddr); | |
2472 | readl(phba->HAregaddr); /* flush */ | |
2473 | ||
2474 | /* Reset some HBA SLI setup states */ | |
2475 | lpfc_stop_phba_timers(phba); | |
2476 | phba->pport->work_port_events = 0; | |
2477 | ||
2478 | return; | |
2479 | } | |
2480 | ||
2481 | /** | |
2482 | * lpfc_enable_intr: Enable device interrupt. | |
2483 | * @phba: pointer to lpfc hba data structure. | |
2484 | * | |
2485 | * This routine is invoked to enable device interrupt and associate driver's | |
2486 | * interrupt handler(s) to interrupt vector(s). Depends on the interrupt | |
2487 | * mode configured to the driver, the driver will try to fallback from the | |
2488 | * configured interrupt mode to an interrupt mode which is supported by the | |
2489 | * platform, kernel, and device in the order of: MSI-X -> MSI -> IRQ. | |
2490 | * | |
2491 | * Return codes | |
2492 | * 0 - sucessful | |
2493 | * other values - error | |
2494 | **/ | |
2495 | static uint32_t | |
2496 | lpfc_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) | |
2497 | { | |
2498 | uint32_t intr_mode = LPFC_INTR_ERROR; | |
2499 | int retval; | |
2500 | ||
2501 | if (cfg_mode == 2) { | |
2502 | /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */ | |
2503 | retval = lpfc_sli_config_port(phba, 3); | |
2504 | if (!retval) { | |
2505 | /* Now, try to enable MSI-X interrupt mode */ | |
2506 | retval = lpfc_enable_msix(phba); | |
2507 | if (!retval) { | |
2508 | /* Indicate initialization to MSI-X mode */ | |
2509 | phba->intr_type = MSIX; | |
2510 | intr_mode = 2; | |
2511 | } | |
2512 | } | |
2513 | } | |
2514 | ||
2515 | /* Fallback to MSI if MSI-X initialization failed */ | |
2516 | if (cfg_mode >= 1 && phba->intr_type == NONE) { | |
2517 | retval = lpfc_enable_msi(phba); | |
2518 | if (!retval) { | |
2519 | /* Indicate initialization to MSI mode */ | |
2520 | phba->intr_type = MSI; | |
2521 | intr_mode = 1; | |
2522 | } | |
2523 | } | |
2524 | ||
2525 | /* Fallback to INTx if both MSI-X/MSI initalization failed */ | |
2526 | if (phba->intr_type == NONE) { | |
2527 | retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, | |
2528 | IRQF_SHARED, LPFC_DRIVER_NAME, phba); | |
2529 | if (!retval) { | |
2530 | /* Indicate initialization to INTx mode */ | |
2531 | phba->intr_type = INTx; | |
2532 | intr_mode = 0; | |
2533 | } | |
2534 | } | |
2535 | return intr_mode; | |
2536 | } | |
2537 | ||
2538 | /** | |
2539 | * lpfc_disable_intr: Disable device interrupt. | |
2540 | * @phba: pointer to lpfc hba data structure. | |
2541 | * | |
2542 | * This routine is invoked to disable device interrupt and disassociate the | |
2543 | * driver's interrupt handler(s) from interrupt vector(s). Depending on the | |
2544 | * interrupt mode, the driver will release the interrupt vector(s) for the | |
2545 | * message signaled interrupt. | |
2546 | **/ | |
2547 | static void | |
2548 | lpfc_disable_intr(struct lpfc_hba *phba) | |
2549 | { | |
2550 | /* Disable the currently initialized interrupt mode */ | |
2551 | if (phba->intr_type == MSIX) | |
2552 | lpfc_disable_msix(phba); | |
2553 | else if (phba->intr_type == MSI) | |
2554 | lpfc_disable_msi(phba); | |
2555 | else if (phba->intr_type == INTx) | |
2556 | free_irq(phba->pcidev->irq, phba); | |
2557 | ||
2558 | /* Reset interrupt management states */ | |
2559 | phba->intr_type = NONE; | |
2560 | phba->sli.slistat.sli_intr = 0; | |
2561 | ||
2562 | return; | |
2563 | } | |
2564 | ||
e59058c4 JS |
2565 | /** |
2566 | * lpfc_pci_probe_one: lpfc PCI probe func to register device to PCI subsystem. | |
2567 | * @pdev: pointer to PCI device | |
2568 | * @pid: pointer to PCI device identifier | |
2569 | * | |
2570 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
2571 | * Emulex HBA is presented in PCI bus, the kernel PCI subsystem looks at | |
2572 | * PCI device-specific information of the device and driver to see if the | |
2573 | * driver state that it can support this kind of device. If the match is | |
2574 | * successful, the driver core invokes this routine. If this routine | |
2575 | * determines it can claim the HBA, it does all the initialization that it | |
2576 | * needs to do to handle the HBA properly. | |
2577 | * | |
2578 | * Return code | |
2579 | * 0 - driver can claim the device | |
2580 | * negative value - driver can not claim the device | |
2581 | **/ | |
dea3101e | 2582 | static int __devinit |
2583 | lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) | |
2584 | { | |
2e0fef85 JS |
2585 | struct lpfc_vport *vport = NULL; |
2586 | struct lpfc_hba *phba; | |
2587 | struct lpfc_sli *psli; | |
dea3101e | 2588 | struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; |
2e0fef85 | 2589 | struct Scsi_Host *shost = NULL; |
51ef4c26 | 2590 | void *ptr; |
dea3101e | 2591 | unsigned long bar0map_len, bar2map_len; |
98c9ea5c | 2592 | int error = -ENODEV, retval; |
51ef4c26 | 2593 | int i, hbq_count; |
604a3e30 | 2594 | uint16_t iotag; |
5b75da2f | 2595 | uint32_t cfg_mode, intr_mode; |
8a4df120 | 2596 | int bars = pci_select_bars(pdev, IORESOURCE_MEM); |
ea2151b4 | 2597 | struct lpfc_adapter_event_header adapter_event; |
dea3101e | 2598 | |
d5f78fb0 | 2599 | if (pci_enable_device_mem(pdev)) |
dea3101e | 2600 | goto out; |
8a4df120 | 2601 | if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME)) |
dea3101e | 2602 | goto out_disable_device; |
2603 | ||
2e0fef85 JS |
2604 | phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL); |
2605 | if (!phba) | |
dea3101e | 2606 | goto out_release_regions; |
2607 | ||
ea2151b4 | 2608 | atomic_set(&phba->fast_event_count, 0); |
2e0fef85 | 2609 | spin_lock_init(&phba->hbalock); |
dea3101e | 2610 | |
e47c9093 JS |
2611 | /* Initialize ndlp management spinlock */ |
2612 | spin_lock_init(&phba->ndlp_lock); | |
2613 | ||
dea3101e | 2614 | phba->pcidev = pdev; |
2615 | ||
2616 | /* Assign an unused board number */ | |
92d7f7b0 | 2617 | if ((phba->brd_no = lpfc_get_instance()) < 0) |
2e0fef85 | 2618 | goto out_free_phba; |
dea3101e | 2619 | |
2e0fef85 | 2620 | INIT_LIST_HEAD(&phba->port_list); |
84774a4d | 2621 | init_waitqueue_head(&phba->wait_4_mlo_m_q); |
2e0fef85 JS |
2622 | /* |
2623 | * Get all the module params for configuring this host and then | |
2624 | * establish the host. | |
2625 | */ | |
2626 | lpfc_get_cfgparam(phba); | |
92d7f7b0 | 2627 | phba->max_vpi = LPFC_MAX_VPI; |
dea3101e | 2628 | |
2629 | /* Initialize timers used by driver */ | |
858c9f6c JS |
2630 | init_timer(&phba->hb_tmofunc); |
2631 | phba->hb_tmofunc.function = lpfc_hb_timeout; | |
2632 | phba->hb_tmofunc.data = (unsigned long)phba; | |
2633 | ||
dea3101e | 2634 | psli = &phba->sli; |
2635 | init_timer(&psli->mbox_tmo); | |
2636 | psli->mbox_tmo.function = lpfc_mbox_timeout; | |
2e0fef85 | 2637 | psli->mbox_tmo.data = (unsigned long) phba; |
875fbdfe JSEC |
2638 | init_timer(&phba->fcp_poll_timer); |
2639 | phba->fcp_poll_timer.function = lpfc_poll_timeout; | |
2e0fef85 | 2640 | phba->fcp_poll_timer.data = (unsigned long) phba; |
92d7f7b0 JS |
2641 | init_timer(&phba->fabric_block_timer); |
2642 | phba->fabric_block_timer.function = lpfc_fabric_block_timeout; | |
2643 | phba->fabric_block_timer.data = (unsigned long) phba; | |
9399627f JS |
2644 | init_timer(&phba->eratt_poll); |
2645 | phba->eratt_poll.function = lpfc_poll_eratt; | |
2646 | phba->eratt_poll.data = (unsigned long) phba; | |
dea3101e | 2647 | |
dea3101e | 2648 | pci_set_master(pdev); |
97207482 | 2649 | pci_save_state(pdev); |
694625c0 | 2650 | pci_try_set_mwi(pdev); |
dea3101e | 2651 | |
2652 | if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0) | |
2653 | if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0) | |
2654 | goto out_idr_remove; | |
2655 | ||
2656 | /* | |
2657 | * Get the bus address of Bar0 and Bar2 and the number of bytes | |
2658 | * required by each mapping. | |
2659 | */ | |
2660 | phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0); | |
2661 | bar0map_len = pci_resource_len(phba->pcidev, 0); | |
2662 | ||
2663 | phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2); | |
2664 | bar2map_len = pci_resource_len(phba->pcidev, 2); | |
2665 | ||
901a920f | 2666 | /* Map HBA SLIM to a kernel virtual address. */ |
9399627f | 2667 | phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); |
901a920f JW |
2668 | if (!phba->slim_memmap_p) { |
2669 | error = -ENODEV; | |
2670 | dev_printk(KERN_ERR, &pdev->dev, | |
2671 | "ioremap failed for SLIM memory.\n"); | |
2672 | goto out_idr_remove; | |
2673 | } | |
2674 | ||
2675 | /* Map HBA Control Registers to a kernel virtual address. */ | |
dea3101e | 2676 | phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); |
901a920f JW |
2677 | if (!phba->ctrl_regs_memmap_p) { |
2678 | error = -ENODEV; | |
2679 | dev_printk(KERN_ERR, &pdev->dev, | |
2680 | "ioremap failed for HBA control registers.\n"); | |
2681 | goto out_iounmap_slim; | |
2682 | } | |
dea3101e | 2683 | |
2684 | /* Allocate memory for SLI-2 structures */ | |
34b02dcd JS |
2685 | phba->slim2p.virt = dma_alloc_coherent(&phba->pcidev->dev, |
2686 | SLI2_SLIM_SIZE, | |
2687 | &phba->slim2p.phys, | |
2688 | GFP_KERNEL); | |
2689 | if (!phba->slim2p.virt) | |
dea3101e | 2690 | goto out_iounmap; |
2691 | ||
34b02dcd | 2692 | memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE); |
d7c255b2 JS |
2693 | phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx); |
2694 | phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb)); | |
2695 | phba->IOCBs = (phba->slim2p.virt + | |
2696 | offsetof(struct lpfc_sli2_slim, IOCBs)); | |
dea3101e | 2697 | |
ed957684 JS |
2698 | phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev, |
2699 | lpfc_sli_hbq_size(), | |
2700 | &phba->hbqslimp.phys, | |
2701 | GFP_KERNEL); | |
2702 | if (!phba->hbqslimp.virt) | |
2703 | goto out_free_slim; | |
2704 | ||
51ef4c26 JS |
2705 | hbq_count = lpfc_sli_hbq_count(); |
2706 | ptr = phba->hbqslimp.virt; | |
2707 | for (i = 0; i < hbq_count; ++i) { | |
2708 | phba->hbqs[i].hbq_virt = ptr; | |
2709 | INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); | |
2710 | ptr += (lpfc_hbq_defs[i]->entry_count * | |
2711 | sizeof(struct lpfc_hbq_entry)); | |
2712 | } | |
2713 | phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; | |
2714 | phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; | |
2715 | ||
ed957684 JS |
2716 | memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); |
2717 | ||
3163f725 JS |
2718 | INIT_LIST_HEAD(&phba->hbqbuf_in_list); |
2719 | ||
dea3101e | 2720 | /* Initialize the SLI Layer to run with lpfc HBAs. */ |
2721 | lpfc_sli_setup(phba); | |
2722 | lpfc_sli_queue_setup(phba); | |
2723 | ||
98c9ea5c JS |
2724 | retval = lpfc_mem_alloc(phba); |
2725 | if (retval) { | |
2726 | error = retval; | |
ed957684 | 2727 | goto out_free_hbqslimp; |
98c9ea5c | 2728 | } |
dea3101e | 2729 | |
2730 | /* Initialize and populate the iocb list per host. */ | |
2731 | INIT_LIST_HEAD(&phba->lpfc_iocb_list); | |
2732 | for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) { | |
dd00cc48 | 2733 | iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); |
dea3101e | 2734 | if (iocbq_entry == NULL) { |
2735 | printk(KERN_ERR "%s: only allocated %d iocbs of " | |
2736 | "expected %d count. Unloading driver.\n", | |
cadbd4a5 | 2737 | __func__, i, LPFC_IOCB_LIST_CNT); |
dea3101e | 2738 | error = -ENOMEM; |
2739 | goto out_free_iocbq; | |
2740 | } | |
2741 | ||
604a3e30 JB |
2742 | iotag = lpfc_sli_next_iotag(phba, iocbq_entry); |
2743 | if (iotag == 0) { | |
2744 | kfree (iocbq_entry); | |
2745 | printk(KERN_ERR "%s: failed to allocate IOTAG. " | |
2746 | "Unloading driver.\n", | |
cadbd4a5 | 2747 | __func__); |
604a3e30 JB |
2748 | error = -ENOMEM; |
2749 | goto out_free_iocbq; | |
2750 | } | |
2e0fef85 JS |
2751 | |
2752 | spin_lock_irq(&phba->hbalock); | |
dea3101e | 2753 | list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); |
2754 | phba->total_iocbq_bufs++; | |
2e0fef85 | 2755 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2756 | } |
2757 | ||
2758 | /* Initialize HBA structure */ | |
2759 | phba->fc_edtov = FF_DEF_EDTOV; | |
2760 | phba->fc_ratov = FF_DEF_RATOV; | |
2761 | phba->fc_altov = FF_DEF_ALTOV; | |
2762 | phba->fc_arbtov = FF_DEF_ARBTOV; | |
2763 | ||
2764 | INIT_LIST_HEAD(&phba->work_list); | |
9399627f | 2765 | phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT); |
dea3101e | 2766 | phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); |
2767 | ||
5e9d9b82 JS |
2768 | /* Initialize the wait queue head for the kernel thread */ |
2769 | init_waitqueue_head(&phba->work_waitq); | |
2770 | ||
dea3101e | 2771 | /* Startup the kernel thread for this host adapter. */ |
2772 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
2773 | "lpfc_worker_%d", phba->brd_no); | |
2774 | if (IS_ERR(phba->worker_thread)) { | |
2775 | error = PTR_ERR(phba->worker_thread); | |
2776 | goto out_free_iocbq; | |
2777 | } | |
2778 | ||
dea3101e | 2779 | /* Initialize the list of scsi buffers used by driver for scsi IO. */ |
875fbdfe | 2780 | spin_lock_init(&phba->scsi_buf_list_lock); |
dea3101e | 2781 | INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); |
2782 | ||
92d7f7b0 JS |
2783 | /* Initialize list of fabric iocbs */ |
2784 | INIT_LIST_HEAD(&phba->fabric_iocb_list); | |
2785 | ||
0ff10d46 JS |
2786 | /* Initialize list to save ELS buffers */ |
2787 | INIT_LIST_HEAD(&phba->elsbuf); | |
2788 | ||
3de2a653 | 2789 | vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); |
2e0fef85 JS |
2790 | if (!vport) |
2791 | goto out_kthread_stop; | |
2792 | ||
2793 | shost = lpfc_shost_from_vport(vport); | |
2e0fef85 | 2794 | phba->pport = vport; |
858c9f6c | 2795 | lpfc_debugfs_initialize(vport); |
2e0fef85 | 2796 | |
92d7f7b0 | 2797 | pci_set_drvdata(pdev, shost); |
db2378e0 | 2798 | |
9399627f JS |
2799 | phba->MBslimaddr = phba->slim_memmap_p; |
2800 | phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; | |
2801 | phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; | |
2802 | phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; | |
2803 | phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; | |
2804 | ||
5b75da2f | 2805 | /* Configure sysfs attributes */ |
98c9ea5c | 2806 | if (lpfc_alloc_sysfs_attr(vport)) { |
9399627f JS |
2807 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
2808 | "1476 Failed to allocate sysfs attr\n"); | |
98c9ea5c | 2809 | error = -ENOMEM; |
5b75da2f | 2810 | goto out_destroy_port; |
98c9ea5c | 2811 | } |
875fbdfe | 2812 | |
5b75da2f JS |
2813 | cfg_mode = phba->cfg_use_msi; |
2814 | while (true) { | |
2815 | /* Configure and enable interrupt */ | |
2816 | intr_mode = lpfc_enable_intr(phba, cfg_mode); | |
2817 | if (intr_mode == LPFC_INTR_ERROR) { | |
2818 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2819 | "0426 Failed to enable interrupt.\n"); | |
2820 | goto out_free_sysfs_attr; | |
2821 | } | |
2822 | /* HBA SLI setup */ | |
2823 | if (lpfc_sli_hba_setup(phba)) { | |
2824 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2825 | "1477 Failed to set up hba\n"); | |
2826 | error = -ENODEV; | |
2827 | goto out_remove_device; | |
2828 | } | |
2829 | ||
2830 | /* Wait 50ms for the interrupts of previous mailbox commands */ | |
2831 | msleep(50); | |
2832 | /* Check active interrupts received */ | |
2833 | if (phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) { | |
2834 | /* Log the current active interrupt mode */ | |
2835 | phba->intr_mode = intr_mode; | |
2836 | lpfc_log_intr_mode(phba, intr_mode); | |
2837 | break; | |
2838 | } else { | |
2839 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2840 | "0451 Configure interrupt mode (%d) " | |
2841 | "failed active interrupt test.\n", | |
2842 | intr_mode); | |
2843 | if (intr_mode == 0) { | |
2844 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2845 | "0479 Failed to enable " | |
2846 | "interrupt.\n"); | |
2847 | error = -ENODEV; | |
2848 | goto out_remove_device; | |
2849 | } | |
2850 | /* Stop HBA SLI setups */ | |
2851 | lpfc_stop_port(phba); | |
2852 | /* Disable the current interrupt mode */ | |
2853 | lpfc_disable_intr(phba); | |
2854 | /* Try next level of interrupt mode */ | |
2855 | cfg_mode = --intr_mode; | |
2856 | } | |
98c9ea5c | 2857 | } |
858c9f6c JS |
2858 | |
2859 | /* | |
2860 | * hba setup may have changed the hba_queue_depth so we need to adjust | |
2861 | * the value of can_queue. | |
2862 | */ | |
2863 | shost->can_queue = phba->cfg_hba_queue_depth - 10; | |
2864 | ||
2865 | lpfc_host_attrib_init(shost); | |
2866 | ||
2e0fef85 JS |
2867 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
2868 | spin_lock_irq(shost->host_lock); | |
2869 | lpfc_poll_start_timer(phba); | |
2870 | spin_unlock_irq(shost->host_lock); | |
2871 | } | |
dea3101e | 2872 | |
9399627f JS |
2873 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
2874 | "0428 Perform SCSI scan\n"); | |
ea2151b4 JS |
2875 | /* Send board arrival event to upper layer */ |
2876 | adapter_event.event_type = FC_REG_ADAPTER_EVENT; | |
2877 | adapter_event.subcategory = LPFC_EVENT_ARRIVAL; | |
2878 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
2879 | sizeof(adapter_event), | |
2880 | (char *) &adapter_event, | |
ddcc50f0 | 2881 | LPFC_NL_VENDOR_ID); |
ea2151b4 | 2882 | |
dea3101e | 2883 | return 0; |
2884 | ||
858c9f6c | 2885 | out_remove_device: |
858c9f6c | 2886 | spin_lock_irq(shost->host_lock); |
51ef4c26 | 2887 | vport->load_flag |= FC_UNLOADING; |
858c9f6c | 2888 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 2889 | lpfc_stop_phba_timers(phba); |
2e0fef85 | 2890 | phba->pport->work_port_events = 0; |
5b75da2f JS |
2891 | lpfc_disable_intr(phba); |
2892 | out_free_sysfs_attr: | |
2893 | lpfc_free_sysfs_attr(vport); | |
2894 | out_destroy_port: | |
2e0fef85 | 2895 | destroy_port(vport); |
dea3101e | 2896 | out_kthread_stop: |
2897 | kthread_stop(phba->worker_thread); | |
2898 | out_free_iocbq: | |
2899 | list_for_each_entry_safe(iocbq_entry, iocbq_next, | |
2900 | &phba->lpfc_iocb_list, list) { | |
dea3101e | 2901 | kfree(iocbq_entry); |
2902 | phba->total_iocbq_bufs--; | |
dea3101e | 2903 | } |
2904 | lpfc_mem_free(phba); | |
ed957684 | 2905 | out_free_hbqslimp: |
34b02dcd JS |
2906 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), |
2907 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
dea3101e | 2908 | out_free_slim: |
34b02dcd JS |
2909 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, |
2910 | phba->slim2p.virt, phba->slim2p.phys); | |
dea3101e | 2911 | out_iounmap: |
2912 | iounmap(phba->ctrl_regs_memmap_p); | |
901a920f | 2913 | out_iounmap_slim: |
dea3101e | 2914 | iounmap(phba->slim_memmap_p); |
2915 | out_idr_remove: | |
2916 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
2e0fef85 JS |
2917 | out_free_phba: |
2918 | kfree(phba); | |
dea3101e | 2919 | out_release_regions: |
8a4df120 | 2920 | pci_release_selected_regions(pdev, bars); |
dea3101e | 2921 | out_disable_device: |
2922 | pci_disable_device(pdev); | |
2923 | out: | |
defbcf11 | 2924 | pci_set_drvdata(pdev, NULL); |
858c9f6c JS |
2925 | if (shost) |
2926 | scsi_host_put(shost); | |
dea3101e | 2927 | return error; |
2928 | } | |
2929 | ||
e59058c4 JS |
2930 | /** |
2931 | * lpfc_pci_remove_one: lpfc PCI func to unregister device from PCI subsystem. | |
2932 | * @pdev: pointer to PCI device | |
2933 | * | |
2934 | * This routine is to be registered to the kernel's PCI subsystem. When an | |
3a55b532 | 2935 | * Emulex HBA is removed from PCI bus, it performs all the necessary cleanup |
e59058c4 JS |
2936 | * for the HBA device to be removed from the PCI subsystem properly. |
2937 | **/ | |
dea3101e | 2938 | static void __devexit |
2939 | lpfc_pci_remove_one(struct pci_dev *pdev) | |
2940 | { | |
2e0fef85 JS |
2941 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
2942 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
eada272d | 2943 | struct lpfc_vport **vports; |
2e0fef85 | 2944 | struct lpfc_hba *phba = vport->phba; |
eada272d | 2945 | int i; |
8a4df120 TK |
2946 | int bars = pci_select_bars(pdev, IORESOURCE_MEM); |
2947 | ||
549e55cd | 2948 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 2949 | vport->load_flag |= FC_UNLOADING; |
549e55cd | 2950 | spin_unlock_irq(&phba->hbalock); |
2e0fef85 | 2951 | |
858c9f6c JS |
2952 | lpfc_free_sysfs_attr(vport); |
2953 | ||
09372820 JS |
2954 | kthread_stop(phba->worker_thread); |
2955 | ||
eada272d JS |
2956 | /* Release all the vports against this physical port */ |
2957 | vports = lpfc_create_vport_work_array(phba); | |
2958 | if (vports != NULL) | |
2959 | for (i = 1; i <= phba->max_vpi && vports[i] != NULL; i++) | |
2960 | fc_vport_terminate(vports[i]->fc_vport); | |
2961 | lpfc_destroy_vport_work_array(phba, vports); | |
2962 | ||
2963 | /* Remove FC host and then SCSI host with the physical port */ | |
858c9f6c JS |
2964 | fc_remove_host(shost); |
2965 | scsi_remove_host(shost); | |
87af33fe JS |
2966 | lpfc_cleanup(vport); |
2967 | ||
2e0fef85 JS |
2968 | /* |
2969 | * Bring down the SLI Layer. This step disable all interrupts, | |
2970 | * clears the rings, discards all mailbox commands, and resets | |
2971 | * the HBA. | |
2972 | */ | |
2973 | lpfc_sli_hba_down(phba); | |
2974 | lpfc_sli_brdrestart(phba); | |
2975 | ||
92d7f7b0 | 2976 | lpfc_stop_phba_timers(phba); |
858c9f6c JS |
2977 | spin_lock_irq(&phba->hbalock); |
2978 | list_del_init(&vport->listentry); | |
2979 | spin_unlock_irq(&phba->hbalock); | |
2980 | ||
858c9f6c | 2981 | lpfc_debugfs_terminate(vport); |
2e0fef85 | 2982 | |
5b75da2f JS |
2983 | /* Disable interrupt */ |
2984 | lpfc_disable_intr(phba); | |
dea3101e | 2985 | |
2986 | pci_set_drvdata(pdev, NULL); | |
858c9f6c | 2987 | scsi_host_put(shost); |
2e0fef85 JS |
2988 | |
2989 | /* | |
2990 | * Call scsi_free before mem_free since scsi bufs are released to their | |
2991 | * corresponding pools here. | |
2992 | */ | |
2993 | lpfc_scsi_free(phba); | |
2994 | lpfc_mem_free(phba); | |
2995 | ||
34b02dcd JS |
2996 | dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), |
2997 | phba->hbqslimp.virt, phba->hbqslimp.phys); | |
ed957684 | 2998 | |
2e0fef85 JS |
2999 | /* Free resources associated with SLI2 interface */ |
3000 | dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, | |
34b02dcd | 3001 | phba->slim2p.virt, phba->slim2p.phys); |
2e0fef85 JS |
3002 | |
3003 | /* unmap adapter SLIM and Control Registers */ | |
3004 | iounmap(phba->ctrl_regs_memmap_p); | |
3005 | iounmap(phba->slim_memmap_p); | |
3006 | ||
3007 | idr_remove(&lpfc_hba_index, phba->brd_no); | |
3008 | ||
3009 | kfree(phba); | |
3010 | ||
8a4df120 | 3011 | pci_release_selected_regions(pdev, bars); |
2e0fef85 | 3012 | pci_disable_device(pdev); |
dea3101e | 3013 | } |
3014 | ||
3a55b532 JS |
3015 | /** |
3016 | * lpfc_pci_suspend_one: lpfc PCI func to suspend device for power management. | |
3017 | * @pdev: pointer to PCI device | |
3018 | * @msg: power management message | |
3019 | * | |
3020 | * This routine is to be registered to the kernel's PCI subsystem to support | |
3021 | * system Power Management (PM). When PM invokes this method, it quiesces the | |
3022 | * device by stopping the driver's worker thread for the device, turning off | |
3023 | * device's interrupt and DMA, and bring the device offline. Note that as the | |
3024 | * driver implements the minimum PM requirements to a power-aware driver's PM | |
3025 | * support for suspend/resume -- all the possible PM messages (SUSPEND, | |
3026 | * HIBERNATE, FREEZE) to the suspend() method call will be treated as SUSPEND | |
3027 | * and the driver will fully reinitialize its device during resume() method | |
3028 | * call, the driver will set device to PCI_D3hot state in PCI config space | |
3029 | * instead of setting it according to the @msg provided by the PM. | |
3030 | * | |
3031 | * Return code | |
3032 | * 0 - driver suspended the device | |
3033 | * Error otherwise | |
3034 | **/ | |
3035 | static int | |
3036 | lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg) | |
3037 | { | |
3038 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
3039 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3040 | ||
3041 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
3042 | "0473 PCI device Power Management suspend.\n"); | |
3043 | ||
3044 | /* Bring down the device */ | |
3045 | lpfc_offline_prep(phba); | |
3046 | lpfc_offline(phba); | |
3047 | kthread_stop(phba->worker_thread); | |
3048 | ||
3049 | /* Disable interrupt from device */ | |
3050 | lpfc_disable_intr(phba); | |
3051 | ||
3052 | /* Save device state to PCI config space */ | |
3053 | pci_save_state(pdev); | |
3054 | pci_set_power_state(pdev, PCI_D3hot); | |
3055 | ||
3056 | return 0; | |
3057 | } | |
3058 | ||
3059 | /** | |
3060 | * lpfc_pci_resume_one: lpfc PCI func to resume device for power management. | |
3061 | * @pdev: pointer to PCI device | |
3062 | * | |
3063 | * This routine is to be registered to the kernel's PCI subsystem to support | |
3064 | * system Power Management (PM). When PM invokes this method, it restores | |
3065 | * the device's PCI config space state and fully reinitializes the device | |
3066 | * and brings it online. Note that as the driver implements the minimum PM | |
3067 | * requirements to a power-aware driver's PM for suspend/resume -- all | |
3068 | * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend() | |
3069 | * method call will be treated as SUSPEND and the driver will fully | |
3070 | * reinitialize its device during resume() method call, the device will be | |
3071 | * set to PCI_D0 directly in PCI config space before restoring the state. | |
3072 | * | |
3073 | * Return code | |
3074 | * 0 - driver suspended the device | |
3075 | * Error otherwise | |
3076 | **/ | |
3077 | static int | |
3078 | lpfc_pci_resume_one(struct pci_dev *pdev) | |
3079 | { | |
3080 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
3081 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
5b75da2f | 3082 | uint32_t intr_mode; |
3a55b532 JS |
3083 | int error; |
3084 | ||
3085 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
3086 | "0452 PCI device Power Management resume.\n"); | |
3087 | ||
3088 | /* Restore device state from PCI config space */ | |
3089 | pci_set_power_state(pdev, PCI_D0); | |
3090 | pci_restore_state(pdev); | |
3091 | if (pdev->is_busmaster) | |
3092 | pci_set_master(pdev); | |
3093 | ||
3094 | /* Startup the kernel thread for this host adapter. */ | |
3095 | phba->worker_thread = kthread_run(lpfc_do_work, phba, | |
3096 | "lpfc_worker_%d", phba->brd_no); | |
3097 | if (IS_ERR(phba->worker_thread)) { | |
3098 | error = PTR_ERR(phba->worker_thread); | |
3099 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3100 | "0434 PM resume failed to start worker " | |
3101 | "thread: error=x%x.\n", error); | |
3102 | return error; | |
3103 | } | |
3104 | ||
5b75da2f JS |
3105 | /* Configure and enable interrupt */ |
3106 | intr_mode = lpfc_enable_intr(phba, phba->intr_mode); | |
3107 | if (intr_mode == LPFC_INTR_ERROR) { | |
3a55b532 | 3108 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
5b75da2f JS |
3109 | "0430 PM resume Failed to enable interrupt\n"); |
3110 | return -EIO; | |
3111 | } else | |
3112 | phba->intr_mode = intr_mode; | |
3a55b532 JS |
3113 | |
3114 | /* Restart HBA and bring it online */ | |
3115 | lpfc_sli_brdrestart(phba); | |
3116 | lpfc_online(phba); | |
3117 | ||
5b75da2f JS |
3118 | /* Log the current active interrupt mode */ |
3119 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
3120 | ||
3a55b532 JS |
3121 | return 0; |
3122 | } | |
3123 | ||
8d63f375 | 3124 | /** |
e59058c4 JS |
3125 | * lpfc_io_error_detected: Driver method for handling PCI I/O error detected. |
3126 | * @pdev: pointer to PCI device. | |
3127 | * @state: the current PCI connection state. | |
8d63f375 | 3128 | * |
e59058c4 JS |
3129 | * This routine is registered to the PCI subsystem for error handling. This |
3130 | * function is called by the PCI subsystem after a PCI bus error affecting | |
3131 | * this device has been detected. When this function is invoked, it will | |
3132 | * need to stop all the I/Os and interrupt(s) to the device. Once that is | |
3133 | * done, it will return PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to | |
3134 | * perform proper recovery as desired. | |
3135 | * | |
3136 | * Return codes | |
3137 | * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery | |
3138 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
3139 | **/ | |
8d63f375 LV |
3140 | static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev, |
3141 | pci_channel_state_t state) | |
3142 | { | |
51ef4c26 JS |
3143 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
3144 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8d63f375 LV |
3145 | struct lpfc_sli *psli = &phba->sli; |
3146 | struct lpfc_sli_ring *pring; | |
3147 | ||
a8e497d5 JS |
3148 | if (state == pci_channel_io_perm_failure) { |
3149 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3150 | "0472 PCI channel I/O permanent failure\n"); | |
3151 | /* Block all SCSI devices' I/Os on the host */ | |
3152 | lpfc_scsi_dev_block(phba); | |
3153 | /* Clean up all driver's outstanding SCSI I/Os */ | |
3154 | lpfc_sli_flush_fcp_rings(phba); | |
8d63f375 | 3155 | return PCI_ERS_RESULT_DISCONNECT; |
a8e497d5 | 3156 | } |
5daa49ef | 3157 | |
8d63f375 LV |
3158 | pci_disable_device(pdev); |
3159 | /* | |
3160 | * There may be I/Os dropped by the firmware. | |
3161 | * Error iocb (I/O) on txcmplq and let the SCSI layer | |
3162 | * retry it after re-establishing link. | |
3163 | */ | |
3164 | pring = &psli->ring[psli->fcp_ring]; | |
3165 | lpfc_sli_abort_iocb_ring(phba, pring); | |
3166 | ||
5b75da2f JS |
3167 | /* Disable interrupt */ |
3168 | lpfc_disable_intr(phba); | |
51ef4c26 | 3169 | |
8d63f375 LV |
3170 | /* Request a slot reset. */ |
3171 | return PCI_ERS_RESULT_NEED_RESET; | |
3172 | } | |
3173 | ||
3174 | /** | |
e59058c4 JS |
3175 | * lpfc_io_slot_reset: Restart a PCI device from scratch. |
3176 | * @pdev: pointer to PCI device. | |
3177 | * | |
3178 | * This routine is registered to the PCI subsystem for error handling. This is | |
3179 | * called after PCI bus has been reset to restart the PCI card from scratch, | |
3180 | * as if from a cold-boot. During the PCI subsystem error recovery, after the | |
3181 | * driver returns PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform | |
3182 | * proper error recovery and then call this routine before calling the .resume | |
3183 | * method to recover the device. This function will initialize the HBA device, | |
3184 | * enable the interrupt, but it will just put the HBA to offline state without | |
3185 | * passing any I/O traffic. | |
8d63f375 | 3186 | * |
e59058c4 JS |
3187 | * Return codes |
3188 | * PCI_ERS_RESULT_RECOVERED - the device has been recovered | |
3189 | * PCI_ERS_RESULT_DISCONNECT - device could not be recovered | |
8d63f375 LV |
3190 | */ |
3191 | static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) | |
3192 | { | |
51ef4c26 JS |
3193 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
3194 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8d63f375 | 3195 | struct lpfc_sli *psli = &phba->sli; |
5b75da2f | 3196 | uint32_t intr_mode; |
8d63f375 LV |
3197 | |
3198 | dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); | |
09483916 | 3199 | if (pci_enable_device_mem(pdev)) { |
8d63f375 LV |
3200 | printk(KERN_ERR "lpfc: Cannot re-enable " |
3201 | "PCI device after reset.\n"); | |
3202 | return PCI_ERS_RESULT_DISCONNECT; | |
3203 | } | |
3204 | ||
97207482 JS |
3205 | pci_restore_state(pdev); |
3206 | if (pdev->is_busmaster) | |
3207 | pci_set_master(pdev); | |
8d63f375 | 3208 | |
92d7f7b0 | 3209 | spin_lock_irq(&phba->hbalock); |
8d63f375 | 3210 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
92d7f7b0 | 3211 | spin_unlock_irq(&phba->hbalock); |
8d63f375 | 3212 | |
5b75da2f JS |
3213 | /* Configure and enable interrupt */ |
3214 | intr_mode = lpfc_enable_intr(phba, phba->intr_mode); | |
3215 | if (intr_mode == LPFC_INTR_ERROR) { | |
3216 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3217 | "0427 Cannot re-enable interrupt after " | |
3218 | "slot reset.\n"); | |
3219 | return PCI_ERS_RESULT_DISCONNECT; | |
3220 | } else | |
3221 | phba->intr_mode = intr_mode; | |
8d63f375 LV |
3222 | |
3223 | /* Take device offline; this will perform cleanup */ | |
3224 | lpfc_offline(phba); | |
3225 | lpfc_sli_brdrestart(phba); | |
3226 | ||
5b75da2f JS |
3227 | /* Log the current active interrupt mode */ |
3228 | lpfc_log_intr_mode(phba, phba->intr_mode); | |
3229 | ||
8d63f375 LV |
3230 | return PCI_ERS_RESULT_RECOVERED; |
3231 | } | |
3232 | ||
3233 | /** | |
e59058c4 JS |
3234 | * lpfc_io_resume: Resume PCI I/O operation. |
3235 | * @pdev: pointer to PCI device | |
8d63f375 | 3236 | * |
e59058c4 JS |
3237 | * This routine is registered to the PCI subsystem for error handling. It is |
3238 | * called when kernel error recovery tells the lpfc driver that it is ok to | |
3239 | * resume normal PCI operation after PCI bus error recovery. After this call, | |
3240 | * traffic can start to flow from this device again. | |
8d63f375 LV |
3241 | */ |
3242 | static void lpfc_io_resume(struct pci_dev *pdev) | |
3243 | { | |
51ef4c26 JS |
3244 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
3245 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
8d63f375 | 3246 | |
58da1ffb | 3247 | lpfc_online(phba); |
8d63f375 LV |
3248 | } |
3249 | ||
dea3101e | 3250 | static struct pci_device_id lpfc_id_table[] = { |
3251 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, | |
3252 | PCI_ANY_ID, PCI_ANY_ID, }, | |
06325e74 JSEC |
3253 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, |
3254 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 3255 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, |
3256 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3257 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, | |
3258 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3259 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, | |
3260 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3261 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, | |
3262 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3263 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, | |
3264 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3265 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, | |
3266 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3267 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, | |
3268 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
3269 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, |
3270 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3271 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, | |
3272 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3273 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, | |
3274 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 3275 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, |
3276 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
3277 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, |
3278 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3279 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, | |
3280 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 3281 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, |
3282 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3283 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, | |
3284 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3285 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, | |
3286 | PCI_ANY_ID, PCI_ANY_ID, }, | |
84774a4d JS |
3287 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET, |
3288 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
3289 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, |
3290 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3291 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, | |
3292 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 3293 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, |
3294 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3295 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, | |
3296 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3297 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, | |
3298 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3299 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, | |
3300 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3301 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, | |
3302 | PCI_ANY_ID, PCI_ANY_ID, }, | |
e4adb204 JSEC |
3303 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, |
3304 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3305 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, | |
3306 | PCI_ANY_ID, PCI_ANY_ID, }, | |
b87eab38 JS |
3307 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, |
3308 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3309 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, | |
3310 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3311 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, | |
3312 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3313 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, | |
3314 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3315 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, | |
3316 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3317 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, | |
3318 | PCI_ANY_ID, PCI_ANY_ID, }, | |
84774a4d JS |
3319 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF, |
3320 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3321 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF, | |
3322 | PCI_ANY_ID, PCI_ANY_ID, }, | |
3323 | {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S, | |
3324 | PCI_ANY_ID, PCI_ANY_ID, }, | |
dea3101e | 3325 | { 0 } |
3326 | }; | |
3327 | ||
3328 | MODULE_DEVICE_TABLE(pci, lpfc_id_table); | |
3329 | ||
8d63f375 LV |
3330 | static struct pci_error_handlers lpfc_err_handler = { |
3331 | .error_detected = lpfc_io_error_detected, | |
3332 | .slot_reset = lpfc_io_slot_reset, | |
3333 | .resume = lpfc_io_resume, | |
3334 | }; | |
3335 | ||
dea3101e | 3336 | static struct pci_driver lpfc_driver = { |
3337 | .name = LPFC_DRIVER_NAME, | |
3338 | .id_table = lpfc_id_table, | |
3339 | .probe = lpfc_pci_probe_one, | |
3340 | .remove = __devexit_p(lpfc_pci_remove_one), | |
3a55b532 JS |
3341 | .suspend = lpfc_pci_suspend_one, |
3342 | .resume = lpfc_pci_resume_one, | |
2e0fef85 | 3343 | .err_handler = &lpfc_err_handler, |
dea3101e | 3344 | }; |
3345 | ||
e59058c4 JS |
3346 | /** |
3347 | * lpfc_init: lpfc module initialization routine. | |
3348 | * | |
3349 | * This routine is to be invoked when the lpfc module is loaded into the | |
3350 | * kernel. The special kernel macro module_init() is used to indicate the | |
3351 | * role of this routine to the kernel as lpfc module entry point. | |
3352 | * | |
3353 | * Return codes | |
3354 | * 0 - successful | |
3355 | * -ENOMEM - FC attach transport failed | |
3356 | * all others - failed | |
3357 | */ | |
dea3101e | 3358 | static int __init |
3359 | lpfc_init(void) | |
3360 | { | |
3361 | int error = 0; | |
3362 | ||
3363 | printk(LPFC_MODULE_DESC "\n"); | |
c44ce173 | 3364 | printk(LPFC_COPYRIGHT "\n"); |
dea3101e | 3365 | |
7ee5d43e JS |
3366 | if (lpfc_enable_npiv) { |
3367 | lpfc_transport_functions.vport_create = lpfc_vport_create; | |
3368 | lpfc_transport_functions.vport_delete = lpfc_vport_delete; | |
3369 | } | |
dea3101e | 3370 | lpfc_transport_template = |
3371 | fc_attach_transport(&lpfc_transport_functions); | |
7ee5d43e | 3372 | if (lpfc_transport_template == NULL) |
dea3101e | 3373 | return -ENOMEM; |
7ee5d43e | 3374 | if (lpfc_enable_npiv) { |
7ee5d43e | 3375 | lpfc_vport_transport_template = |
98c9ea5c JS |
3376 | fc_attach_transport(&lpfc_vport_transport_functions); |
3377 | if (lpfc_vport_transport_template == NULL) { | |
3378 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e | 3379 | return -ENOMEM; |
98c9ea5c | 3380 | } |
7ee5d43e | 3381 | } |
dea3101e | 3382 | error = pci_register_driver(&lpfc_driver); |
92d7f7b0 | 3383 | if (error) { |
dea3101e | 3384 | fc_release_transport(lpfc_transport_template); |
d7c255b2 JS |
3385 | if (lpfc_enable_npiv) |
3386 | fc_release_transport(lpfc_vport_transport_template); | |
92d7f7b0 | 3387 | } |
dea3101e | 3388 | |
3389 | return error; | |
3390 | } | |
3391 | ||
e59058c4 JS |
3392 | /** |
3393 | * lpfc_exit: lpfc module removal routine. | |
3394 | * | |
3395 | * This routine is invoked when the lpfc module is removed from the kernel. | |
3396 | * The special kernel macro module_exit() is used to indicate the role of | |
3397 | * this routine to the kernel as lpfc module exit point. | |
3398 | */ | |
dea3101e | 3399 | static void __exit |
3400 | lpfc_exit(void) | |
3401 | { | |
3402 | pci_unregister_driver(&lpfc_driver); | |
3403 | fc_release_transport(lpfc_transport_template); | |
7ee5d43e JS |
3404 | if (lpfc_enable_npiv) |
3405 | fc_release_transport(lpfc_vport_transport_template); | |
dea3101e | 3406 | } |
3407 | ||
3408 | module_init(lpfc_init); | |
3409 | module_exit(lpfc_exit); | |
3410 | MODULE_LICENSE("GPL"); | |
3411 | MODULE_DESCRIPTION(LPFC_MODULE_DESC); | |
3412 | MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); | |
3413 | MODULE_VERSION("0:" LPFC_DRIVER_VERSION); |