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[SCSI] lpfc 8.3.35: Fixed not checking solicition in progress bit when verifying...
[deliverable/linux.git] / drivers / scsi / lpfc / lpfc_init.c
CommitLineData
dea3101e 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
c44ce173 3 * Fibre Channel Host Bus Adapters. *
d4379acd 4 * Copyright (C) 2004-2012 Emulex. All rights reserved. *
c44ce173 5 * EMULEX and SLI are trademarks of Emulex. *
dea3101e 6 * www.emulex.com *
c44ce173 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
dea3101e 8 * *
9 * This program is free software; you can redistribute it and/or *
c44ce173
JSEC		 10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
dea3101e 20 *******************************************************************/
21
dea3101e 22#include <linux/blkdev.h>
23#include <linux/delay.h>
24#include <linux/dma-mapping.h>
25#include <linux/idr.h>
26#include <linux/interrupt.h>
acf3368f 27#include <linux/module.h>
dea3101e 28#include <linux/kthread.h>
29#include <linux/pci.h>
30#include <linux/spinlock.h>
92d7f7b0 31#include <linux/ctype.h>
0d878419 32#include <linux/aer.h>
5a0e3ad6 33#include <linux/slab.h>
52d52440 34#include <linux/firmware.h>
3ef6d24c 35#include <linux/miscdevice.h>
dea3101e 36
91886523 37#include <scsi/scsi.h>
dea3101e 38#include <scsi/scsi_device.h>
39#include <scsi/scsi_host.h>
40#include <scsi/scsi_transport_fc.h>
41
da0436e9 42#include "lpfc_hw4.h"
dea3101e 43#include "lpfc_hw.h"
44#include "lpfc_sli.h"
da0436e9 45#include "lpfc_sli4.h"
ea2151b4 46#include "lpfc_nl.h"
dea3101e 47#include "lpfc_disc.h"
48#include "lpfc_scsi.h"
49#include "lpfc.h"
50#include "lpfc_logmsg.h"
51#include "lpfc_crtn.h"
92d7f7b0 52#include "lpfc_vport.h"
dea3101e 53#include "lpfc_version.h"
54
81301a9b
JS		 55char *_dump_buf_data;
56unsigned long _dump_buf_data_order;
57char *_dump_buf_dif;
58unsigned long _dump_buf_dif_order;
59spinlock_t _dump_buf_lock;
60
dea3101e 61static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
62static int lpfc_post_rcv_buf(struct lpfc_hba *);
5350d872 63static int lpfc_sli4_queue_verify(struct lpfc_hba *);
da0436e9
JS		 64static int lpfc_create_bootstrap_mbox(struct lpfc_hba *);
65static int lpfc_setup_endian_order(struct lpfc_hba *);
da0436e9 66static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *);
8a9d2e80
JS		 67static void lpfc_free_els_sgl_list(struct lpfc_hba *);
68static void lpfc_init_sgl_list(struct lpfc_hba *);
da0436e9
JS		 69static int lpfc_init_active_sgl_array(struct lpfc_hba *);
70static void lpfc_free_active_sgl(struct lpfc_hba *);
71static int lpfc_hba_down_post_s3(struct lpfc_hba *phba);
72static int lpfc_hba_down_post_s4(struct lpfc_hba *phba);
73static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *);
74static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *);
75static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *);
618a5230
JS		 76static void lpfc_sli4_disable_intr(struct lpfc_hba *);
77static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba *, uint32_t);
dea3101e 78
79static struct scsi_transport_template *lpfc_transport_template = NULL;
92d7f7b0 80static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
dea3101e 81static DEFINE_IDR(lpfc_hba_index);
82
e59058c4 83/**
3621a710 84 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
e59058c4
JS		 85 * @phba: pointer to lpfc hba data structure.
86 *
87 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
88 * mailbox command. It retrieves the revision information from the HBA and
89 * collects the Vital Product Data (VPD) about the HBA for preparing the
90 * configuration of the HBA.
91 *
92 * Return codes:
93 * 0 - success.
94 * -ERESTART - requests the SLI layer to reset the HBA and try again.
95 * Any other value - indicates an error.
96 **/
dea3101e 97int
2e0fef85 98lpfc_config_port_prep(struct lpfc_hba *phba)
dea3101e 99{
100 lpfc_vpd_t *vp = &phba->vpd;
101 int i = 0, rc;
102 LPFC_MBOXQ_t *pmb;
103 MAILBOX_t *mb;
104 char *lpfc_vpd_data = NULL;
105 uint16_t offset = 0;
106 static char licensed[56] =
107 "key unlock for use with gnu public licensed code only\0";
65a29c16 108 static int init_key = 1;
dea3101e 109
110 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
111 if (!pmb) {
2e0fef85 112 phba->link_state = LPFC_HBA_ERROR;
dea3101e 113 return -ENOMEM;
114 }
115
04c68496 116 mb = &pmb->u.mb;
2e0fef85 117 phba->link_state = LPFC_INIT_MBX_CMDS;
dea3101e 118
119 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
65a29c16
JS		 120 if (init_key) {
121 uint32_t *ptext = (uint32_t *) licensed;
dea3101e 122
65a29c16
JS		 123 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
124 *ptext = cpu_to_be32(*ptext);
125 init_key = 0;
126 }
dea3101e 127
128 lpfc_read_nv(phba, pmb);
129 memset((char*)mb->un.varRDnvp.rsvd3, 0,
130 sizeof (mb->un.varRDnvp.rsvd3));
131 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
132 sizeof (licensed));
133
134 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
135
136 if (rc != MBX_SUCCESS) {
ed957684 137 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
e8b62011 138 "0324 Config Port initialization "
dea3101e 139 "error, mbxCmd x%x READ_NVPARM, "
140 "mbxStatus x%x\n",
dea3101e 141 mb->mbxCommand, mb->mbxStatus);
142 mempool_free(pmb, phba->mbox_mem_pool);
143 return -ERESTART;
144 }
145 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
2e0fef85
JS		 146 sizeof(phba->wwnn));
147 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
148 sizeof(phba->wwpn));
dea3101e 149 }
150
92d7f7b0
JS		 151 phba->sli3_options = 0x0;
152
dea3101e 153 /* Setup and issue mailbox READ REV command */
154 lpfc_read_rev(phba, pmb);
155 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
156 if (rc != MBX_SUCCESS) {
ed957684 157 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 158 "0439 Adapter failed to init, mbxCmd x%x "
dea3101e 159 "READ_REV, mbxStatus x%x\n",
dea3101e 160 mb->mbxCommand, mb->mbxStatus);
161 mempool_free( pmb, phba->mbox_mem_pool);
162 return -ERESTART;
163 }
164
92d7f7b0 165
1de933f3
JSEC		 166 /*
167 * The value of rr must be 1 since the driver set the cv field to 1.
168 * This setting requires the FW to set all revision fields.
dea3101e 169 */
1de933f3 170 if (mb->un.varRdRev.rr == 0) {
dea3101e 171 vp->rev.rBit = 0;
1de933f3 172 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011
JS		 173 "0440 Adapter failed to init, READ_REV has "
174 "missing revision information.\n");
dea3101e 175 mempool_free(pmb, phba->mbox_mem_pool);
176 return -ERESTART;
dea3101e 177 }
178
495a714c
JS		 179 if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) {
180 mempool_free(pmb, phba->mbox_mem_pool);
ed957684 181 return -EINVAL;
495a714c 182 }
ed957684 183
dea3101e 184 /* Save information as VPD data */
1de933f3 185 vp->rev.rBit = 1;
92d7f7b0 186 memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
1de933f3
JSEC		 187 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
188 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
189 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
190 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
dea3101e 191 vp->rev.biuRev = mb->un.varRdRev.biuRev;
192 vp->rev.smRev = mb->un.varRdRev.smRev;
193 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
194 vp->rev.endecRev = mb->un.varRdRev.endecRev;
195 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
196 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
197 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
198 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
199 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
200 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
201
92d7f7b0
JS		 202 /* If the sli feature level is less then 9, we must
203 * tear down all RPIs and VPIs on link down if NPIV
204 * is enabled.
205 */
206 if (vp->rev.feaLevelHigh < 9)
207 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
208
dea3101e 209 if (lpfc_is_LC_HBA(phba->pcidev->device))
210 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
211 sizeof (phba->RandomData));
212
dea3101e 213 /* Get adapter VPD information */
dea3101e 214 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
215 if (!lpfc_vpd_data)
d7c255b2 216 goto out_free_mbox;
dea3101e 217 do {
a0c87cbd 218 lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD);
dea3101e 219 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
220
221 if (rc != MBX_SUCCESS) {
222 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011 223 "0441 VPD not present on adapter, "
dea3101e 224 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
dea3101e 225 mb->mbxCommand, mb->mbxStatus);
74b72a59 226 mb->un.varDmp.word_cnt = 0;
dea3101e 227 }
04c68496
JS		 228 /* dump mem may return a zero when finished or we got a
229 * mailbox error, either way we are done.
230 */
231 if (mb->un.varDmp.word_cnt == 0)
232 break;
74b72a59
JW		 233 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
234 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
d7c255b2
JS		 235 lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
236 lpfc_vpd_data + offset,
92d7f7b0 237 mb->un.varDmp.word_cnt);
dea3101e 238 offset += mb->un.varDmp.word_cnt;
74b72a59
JW		 239 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
240 lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
dea3101e 241
242 kfree(lpfc_vpd_data);
dea3101e 243out_free_mbox:
244 mempool_free(pmb, phba->mbox_mem_pool);
245 return 0;
246}
247
e59058c4 248/**
3621a710 249 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
e59058c4
JS		 250 * @phba: pointer to lpfc hba data structure.
251 * @pmboxq: pointer to the driver internal queue element for mailbox command.
252 *
253 * This is the completion handler for driver's configuring asynchronous event
254 * mailbox command to the device. If the mailbox command returns successfully,
255 * it will set internal async event support flag to 1; otherwise, it will
256 * set internal async event support flag to 0.
257 **/
57127f15
JS		 258static void
259lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
260{
04c68496 261 if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS)
57127f15
JS		 262 phba->temp_sensor_support = 1;
263 else
264 phba->temp_sensor_support = 0;
265 mempool_free(pmboxq, phba->mbox_mem_pool);
266 return;
267}
268
97207482 269/**
3621a710 270 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
97207482
JS		 271 * @phba: pointer to lpfc hba data structure.
272 * @pmboxq: pointer to the driver internal queue element for mailbox command.
273 *
274 * This is the completion handler for dump mailbox command for getting
275 * wake up parameters. When this command complete, the response contain
276 * Option rom version of the HBA. This function translate the version number
277 * into a human readable string and store it in OptionROMVersion.
278 **/
279static void
280lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
281{
282 struct prog_id *prg;
283 uint32_t prog_id_word;
284 char dist = ' ';
285 /* character array used for decoding dist type. */
286 char dist_char[] = "nabx";
287
04c68496 288 if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) {
9f1e1b50 289 mempool_free(pmboxq, phba->mbox_mem_pool);
97207482 290 return;
9f1e1b50 291 }
97207482
JS		 292
293 prg = (struct prog_id *) &prog_id_word;
294
295 /* word 7 contain option rom version */
04c68496 296 prog_id_word = pmboxq->u.mb.un.varWords[7];
97207482
JS		 297
298 /* Decode the Option rom version word to a readable string */
299 if (prg->dist < 4)
300 dist = dist_char[prg->dist];
301
302 if ((prg->dist == 3) && (prg->num == 0))
303 sprintf(phba->OptionROMVersion, "%d.%d%d",
304 prg->ver, prg->rev, prg->lev);
305 else
306 sprintf(phba->OptionROMVersion, "%d.%d%d%c%d",
307 prg->ver, prg->rev, prg->lev,
308 dist, prg->num);
9f1e1b50 309 mempool_free(pmboxq, phba->mbox_mem_pool);
97207482
JS		 310 return;
311}
312
0558056c
JS		 313/**
314 * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
315 * cfg_soft_wwnn, cfg_soft_wwpn
316 * @vport: pointer to lpfc vport data structure.
317 *
318 *
319 * Return codes
320 * None.
321 **/
322void
323lpfc_update_vport_wwn(struct lpfc_vport *vport)
324{
325 /* If the soft name exists then update it using the service params */
326 if (vport->phba->cfg_soft_wwnn)
327 u64_to_wwn(vport->phba->cfg_soft_wwnn,
328 vport->fc_sparam.nodeName.u.wwn);
329 if (vport->phba->cfg_soft_wwpn)
330 u64_to_wwn(vport->phba->cfg_soft_wwpn,
331 vport->fc_sparam.portName.u.wwn);
332
333 /*
334 * If the name is empty or there exists a soft name
335 * then copy the service params name, otherwise use the fc name
336 */
337 if (vport->fc_nodename.u.wwn[0] == 0 || vport->phba->cfg_soft_wwnn)
338 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
339 sizeof(struct lpfc_name));
340 else
341 memcpy(&vport->fc_sparam.nodeName, &vport->fc_nodename,
342 sizeof(struct lpfc_name));
343
344 if (vport->fc_portname.u.wwn[0] == 0 || vport->phba->cfg_soft_wwpn)
345 memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
346 sizeof(struct lpfc_name));
347 else
348 memcpy(&vport->fc_sparam.portName, &vport->fc_portname,
349 sizeof(struct lpfc_name));
350}
351
e59058c4 352/**
3621a710 353 * lpfc_config_port_post - Perform lpfc initialization after config port
e59058c4
JS		 354 * @phba: pointer to lpfc hba data structure.
355 *
356 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
357 * command call. It performs all internal resource and state setups on the
358 * port: post IOCB buffers, enable appropriate host interrupt attentions,
359 * ELS ring timers, etc.
360 *
361 * Return codes
362 * 0 - success.
363 * Any other value - error.
364 **/
dea3101e 365int
2e0fef85 366lpfc_config_port_post(struct lpfc_hba *phba)
dea3101e 367{
2e0fef85 368 struct lpfc_vport *vport = phba->pport;
a257bf90 369 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
dea3101e 370 LPFC_MBOXQ_t *pmb;
371 MAILBOX_t *mb;
372 struct lpfc_dmabuf *mp;
373 struct lpfc_sli *psli = &phba->sli;
374 uint32_t status, timeout;
2e0fef85
JS		 375 int i, j;
376 int rc;
dea3101e 377
7af67051
JS		 378 spin_lock_irq(&phba->hbalock);
379 /*
380 * If the Config port completed correctly the HBA is not
381 * over heated any more.
382 */
383 if (phba->over_temp_state == HBA_OVER_TEMP)
384 phba->over_temp_state = HBA_NORMAL_TEMP;
385 spin_unlock_irq(&phba->hbalock);
386
dea3101e 387 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
388 if (!pmb) {
2e0fef85 389 phba->link_state = LPFC_HBA_ERROR;
dea3101e 390 return -ENOMEM;
391 }
04c68496 392 mb = &pmb->u.mb;
dea3101e 393
dea3101e 394 /* Get login parameters for NID. */
9f1177a3
JS		 395 rc = lpfc_read_sparam(phba, pmb, 0);
396 if (rc) {
397 mempool_free(pmb, phba->mbox_mem_pool);
398 return -ENOMEM;
399 }
400
ed957684 401 pmb->vport = vport;
dea3101e 402 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
ed957684 403 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 404 "0448 Adapter failed init, mbxCmd x%x "
dea3101e 405 "READ_SPARM mbxStatus x%x\n",
dea3101e 406 mb->mbxCommand, mb->mbxStatus);
2e0fef85 407 phba->link_state = LPFC_HBA_ERROR;
dea3101e 408 mp = (struct lpfc_dmabuf *) pmb->context1;
9f1177a3 409 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e 410 lpfc_mbuf_free(phba, mp->virt, mp->phys);
411 kfree(mp);
412 return -EIO;
413 }
414
415 mp = (struct lpfc_dmabuf *) pmb->context1;
416
2e0fef85 417 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
dea3101e 418 lpfc_mbuf_free(phba, mp->virt, mp->phys);
419 kfree(mp);
420 pmb->context1 = NULL;
0558056c 421 lpfc_update_vport_wwn(vport);
a257bf90
JS		 422
423 /* Update the fc_host data structures with new wwn. */
424 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
425 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
21e9a0a5 426 fc_host_max_npiv_vports(shost) = phba->max_vpi;
a257bf90 427
dea3101e 428 /* If no serial number in VPD data, use low 6 bytes of WWNN */
429 /* This should be consolidated into parse_vpd ? - mr */
430 if (phba->SerialNumber[0] == 0) {
431 uint8_t *outptr;
432
2e0fef85 433 outptr = &vport->fc_nodename.u.s.IEEE[0];
dea3101e 434 for (i = 0; i < 12; i++) {
435 status = *outptr++;
436 j = ((status & 0xf0) >> 4);
437 if (j <= 9)
438 phba->SerialNumber[i] =
439 (char)((uint8_t) 0x30 + (uint8_t) j);
440 else
441 phba->SerialNumber[i] =
442 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
443 i++;
444 j = (status & 0xf);
445 if (j <= 9)
446 phba->SerialNumber[i] =
447 (char)((uint8_t) 0x30 + (uint8_t) j);
448 else
449 phba->SerialNumber[i] =
450 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
451 }
452 }
453
dea3101e 454 lpfc_read_config(phba, pmb);
ed957684 455 pmb->vport = vport;
dea3101e 456 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
ed957684 457 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 458 "0453 Adapter failed to init, mbxCmd x%x "
dea3101e 459 "READ_CONFIG, mbxStatus x%x\n",
dea3101e 460 mb->mbxCommand, mb->mbxStatus);
2e0fef85 461 phba->link_state = LPFC_HBA_ERROR;
dea3101e 462 mempool_free( pmb, phba->mbox_mem_pool);
463 return -EIO;
464 }
465
a0c87cbd
JS		 466 /* Check if the port is disabled */
467 lpfc_sli_read_link_ste(phba);
468
dea3101e 469 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
470 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
471 phba->cfg_hba_queue_depth =
f1126688
JS		 472 (mb->un.varRdConfig.max_xri + 1) -
473 lpfc_sli4_get_els_iocb_cnt(phba);
dea3101e 474
475 phba->lmt = mb->un.varRdConfig.lmt;
74b72a59
JW		 476
477 /* Get the default values for Model Name and Description */
478 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
479
2e0fef85 480 phba->link_state = LPFC_LINK_DOWN;
dea3101e 481
0b727fea 482 /* Only process IOCBs on ELS ring till hba_state is READY */
7e56aa25 483 if (psli->ring[psli->extra_ring].sli.sli3.cmdringaddr)
a4bc3379 484 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
7e56aa25 485 if (psli->ring[psli->fcp_ring].sli.sli3.cmdringaddr)
dea3101e 486 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
7e56aa25 487 if (psli->ring[psli->next_ring].sli.sli3.cmdringaddr)
dea3101e 488 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
489
490 /* Post receive buffers for desired rings */
ed957684
JS		 491 if (phba->sli_rev != 3)
492 lpfc_post_rcv_buf(phba);
dea3101e 493
9399627f
JS		 494 /*
495 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
496 */
497 if (phba->intr_type == MSIX) {
498 rc = lpfc_config_msi(phba, pmb);
499 if (rc) {
500 mempool_free(pmb, phba->mbox_mem_pool);
501 return -EIO;
502 }
503 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
504 if (rc != MBX_SUCCESS) {
505 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
506 "0352 Config MSI mailbox command "
507 "failed, mbxCmd x%x, mbxStatus x%x\n",
04c68496
JS		 508 pmb->u.mb.mbxCommand,
509 pmb->u.mb.mbxStatus);
9399627f
JS		 510 mempool_free(pmb, phba->mbox_mem_pool);
511 return -EIO;
512 }
513 }
514
04c68496 515 spin_lock_irq(&phba->hbalock);
9399627f
JS		 516 /* Initialize ERATT handling flag */
517 phba->hba_flag &= ~HBA_ERATT_HANDLED;
518
dea3101e 519 /* Enable appropriate host interrupts */
9940b97b
JS		 520 if (lpfc_readl(phba->HCregaddr, &status)) {
521 spin_unlock_irq(&phba->hbalock);
522 return -EIO;
523 }
dea3101e 524 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
525 if (psli->num_rings > 0)
526 status |= HC_R0INT_ENA;
527 if (psli->num_rings > 1)
528 status |= HC_R1INT_ENA;
529 if (psli->num_rings > 2)
530 status |= HC_R2INT_ENA;
531 if (psli->num_rings > 3)
532 status |= HC_R3INT_ENA;
533
875fbdfe
JSEC		 534 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
535 (phba->cfg_poll & DISABLE_FCP_RING_INT))
9399627f 536 status &= ~(HC_R0INT_ENA);
875fbdfe 537
dea3101e 538 writel(status, phba->HCregaddr);
539 readl(phba->HCregaddr); /* flush */
2e0fef85 540 spin_unlock_irq(&phba->hbalock);
dea3101e 541
9399627f
JS		 542 /* Set up ring-0 (ELS) timer */
543 timeout = phba->fc_ratov * 2;
2e0fef85 544 mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
9399627f 545 /* Set up heart beat (HB) timer */
858c9f6c
JS		 546 mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
547 phba->hb_outstanding = 0;
548 phba->last_completion_time = jiffies;
9399627f
JS		 549 /* Set up error attention (ERATT) polling timer */
550 mod_timer(&phba->eratt_poll, jiffies + HZ * LPFC_ERATT_POLL_INTERVAL);
dea3101e 551
a0c87cbd
JS		 552 if (phba->hba_flag & LINK_DISABLED) {
553 lpfc_printf_log(phba,
554 KERN_ERR, LOG_INIT,
555 "2598 Adapter Link is disabled.\n");
556 lpfc_down_link(phba, pmb);
557 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
558 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
559 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
560 lpfc_printf_log(phba,
561 KERN_ERR, LOG_INIT,
562 "2599 Adapter failed to issue DOWN_LINK"
563 " mbox command rc 0x%x\n", rc);
564
565 mempool_free(pmb, phba->mbox_mem_pool);
566 return -EIO;
567 }
e40a02c1 568 } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) {
026abb87
JS		 569 mempool_free(pmb, phba->mbox_mem_pool);
570 rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
571 if (rc)
572 return rc;
dea3101e 573 }
574 /* MBOX buffer will be freed in mbox compl */
57127f15 575 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
9f1177a3
JS		 576 if (!pmb) {
577 phba->link_state = LPFC_HBA_ERROR;
578 return -ENOMEM;
579 }
580
57127f15
JS		 581 lpfc_config_async(phba, pmb, LPFC_ELS_RING);
582 pmb->mbox_cmpl = lpfc_config_async_cmpl;
583 pmb->vport = phba->pport;
584 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
dea3101e 585
57127f15
JS		 586 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
587 lpfc_printf_log(phba,
588 KERN_ERR,
589 LOG_INIT,
590 "0456 Adapter failed to issue "
e4e74273 591 "ASYNCEVT_ENABLE mbox status x%x\n",
57127f15
JS		 592 rc);
593 mempool_free(pmb, phba->mbox_mem_pool);
594 }
97207482
JS		 595
596 /* Get Option rom version */
597 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
9f1177a3
JS		 598 if (!pmb) {
599 phba->link_state = LPFC_HBA_ERROR;
600 return -ENOMEM;
601 }
602
97207482
JS		 603 lpfc_dump_wakeup_param(phba, pmb);
604 pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl;
605 pmb->vport = phba->pport;
606 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
607
608 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
609 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed "
e4e74273 610 "to get Option ROM version status x%x\n", rc);
97207482
JS		 611 mempool_free(pmb, phba->mbox_mem_pool);
612 }
613
d7c255b2 614 return 0;
ce8b3ce5
JS		 615}
616
84d1b006
JS		 617/**
618 * lpfc_hba_init_link - Initialize the FC link
619 * @phba: pointer to lpfc hba data structure.
6e7288d9 620 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
84d1b006
JS		 621 *
622 * This routine will issue the INIT_LINK mailbox command call.
623 * It is available to other drivers through the lpfc_hba data
624 * structure for use as a delayed link up mechanism with the
625 * module parameter lpfc_suppress_link_up.
626 *
627 * Return code
628 * 0 - success
629 * Any other value - error
630 **/
631int
6e7288d9 632lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag)
1b51197d
JS		 633{
634 return lpfc_hba_init_link_fc_topology(phba, phba->cfg_topology, flag);
635}
636
637/**
638 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
639 * @phba: pointer to lpfc hba data structure.
640 * @fc_topology: desired fc topology.
641 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
642 *
643 * This routine will issue the INIT_LINK mailbox command call.
644 * It is available to other drivers through the lpfc_hba data
645 * structure for use as a delayed link up mechanism with the
646 * module parameter lpfc_suppress_link_up.
647 *
648 * Return code
649 * 0 - success
650 * Any other value - error
651 **/
652int
653lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology,
654 uint32_t flag)
84d1b006
JS		 655{
656 struct lpfc_vport *vport = phba->pport;
657 LPFC_MBOXQ_t *pmb;
658 MAILBOX_t *mb;
659 int rc;
660
661 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
662 if (!pmb) {
663 phba->link_state = LPFC_HBA_ERROR;
664 return -ENOMEM;
665 }
666 mb = &pmb->u.mb;
667 pmb->vport = vport;
668
026abb87
JS		 669 if ((phba->cfg_link_speed > LPFC_USER_LINK_SPEED_MAX) ||
670 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_1G) &&
671 !(phba->lmt & LMT_1Gb)) ||
672 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_2G) &&
673 !(phba->lmt & LMT_2Gb)) ||
674 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_4G) &&
675 !(phba->lmt & LMT_4Gb)) ||
676 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_8G) &&
677 !(phba->lmt & LMT_8Gb)) ||
678 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_10G) &&
679 !(phba->lmt & LMT_10Gb)) ||
680 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G) &&
681 !(phba->lmt & LMT_16Gb))) {
682 /* Reset link speed to auto */
683 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
684 "1302 Invalid speed for this board:%d "
685 "Reset link speed to auto.\n",
686 phba->cfg_link_speed);
687 phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO;
688 }
1b51197d 689 lpfc_init_link(phba, pmb, fc_topology, phba->cfg_link_speed);
84d1b006 690 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1b51197d
JS		 691 if (phba->sli_rev < LPFC_SLI_REV4)
692 lpfc_set_loopback_flag(phba);
6e7288d9 693 rc = lpfc_sli_issue_mbox(phba, pmb, flag);
76a95d75 694 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
84d1b006
JS		 695 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
696 "0498 Adapter failed to init, mbxCmd x%x "
697 "INIT_LINK, mbxStatus x%x\n",
698 mb->mbxCommand, mb->mbxStatus);
76a95d75
JS		 699 if (phba->sli_rev <= LPFC_SLI_REV3) {
700 /* Clear all interrupt enable conditions */
701 writel(0, phba->HCregaddr);
702 readl(phba->HCregaddr); /* flush */
703 /* Clear all pending interrupts */
704 writel(0xffffffff, phba->HAregaddr);
705 readl(phba->HAregaddr); /* flush */
706 }
84d1b006 707 phba->link_state = LPFC_HBA_ERROR;
6e7288d9 708 if (rc != MBX_BUSY || flag == MBX_POLL)
84d1b006
JS		 709 mempool_free(pmb, phba->mbox_mem_pool);
710 return -EIO;
711 }
e40a02c1 712 phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK;
6e7288d9
JS		 713 if (flag == MBX_POLL)
714 mempool_free(pmb, phba->mbox_mem_pool);
84d1b006
JS		 715
716 return 0;
717}
718
719/**
720 * lpfc_hba_down_link - this routine downs the FC link
6e7288d9
JS		 721 * @phba: pointer to lpfc hba data structure.
722 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
84d1b006
JS		 723 *
724 * This routine will issue the DOWN_LINK mailbox command call.
725 * It is available to other drivers through the lpfc_hba data
726 * structure for use to stop the link.
727 *
728 * Return code
729 * 0 - success
730 * Any other value - error
731 **/
732int
6e7288d9 733lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag)
84d1b006
JS		 734{
735 LPFC_MBOXQ_t *pmb;
736 int rc;
737
738 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
739 if (!pmb) {
740 phba->link_state = LPFC_HBA_ERROR;
741 return -ENOMEM;
742 }
743
744 lpfc_printf_log(phba,
745 KERN_ERR, LOG_INIT,
746 "0491 Adapter Link is disabled.\n");
747 lpfc_down_link(phba, pmb);
748 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
6e7288d9 749 rc = lpfc_sli_issue_mbox(phba, pmb, flag);
84d1b006
JS		 750 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
751 lpfc_printf_log(phba,
752 KERN_ERR, LOG_INIT,
753 "2522 Adapter failed to issue DOWN_LINK"
754 " mbox command rc 0x%x\n", rc);
755
756 mempool_free(pmb, phba->mbox_mem_pool);
757 return -EIO;
758 }
6e7288d9
JS		 759 if (flag == MBX_POLL)
760 mempool_free(pmb, phba->mbox_mem_pool);
761
84d1b006
JS		 762 return 0;
763}
764
e59058c4 765/**
3621a710 766 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
e59058c4
JS		 767 * @phba: pointer to lpfc HBA data structure.
768 *
769 * This routine will do LPFC uninitialization before the HBA is reset when
770 * bringing down the SLI Layer.
771 *
772 * Return codes
773 * 0 - success.
774 * Any other value - error.
775 **/
dea3101e 776int
2e0fef85 777lpfc_hba_down_prep(struct lpfc_hba *phba)
dea3101e 778{
1b32f6aa
JS		 779 struct lpfc_vport **vports;
780 int i;
3772a991
JS		 781
782 if (phba->sli_rev <= LPFC_SLI_REV3) {
783 /* Disable interrupts */
784 writel(0, phba->HCregaddr);
785 readl(phba->HCregaddr); /* flush */
786 }
dea3101e 787
1b32f6aa
JS		 788 if (phba->pport->load_flag & FC_UNLOADING)
789 lpfc_cleanup_discovery_resources(phba->pport);
790 else {
791 vports = lpfc_create_vport_work_array(phba);
792 if (vports != NULL)
3772a991
JS		 793 for (i = 0; i <= phba->max_vports &&
794 vports[i] != NULL; i++)
1b32f6aa
JS		 795 lpfc_cleanup_discovery_resources(vports[i]);
796 lpfc_destroy_vport_work_array(phba, vports);
7f5f3d0d
JS		 797 }
798 return 0;
dea3101e 799}
800
e59058c4 801/**
3772a991 802 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
e59058c4
JS		 803 * @phba: pointer to lpfc HBA data structure.
804 *
805 * This routine will do uninitialization after the HBA is reset when bring
806 * down the SLI Layer.
807 *
808 * Return codes
af901ca1 809 * 0 - success.
e59058c4
JS		 810 * Any other value - error.
811 **/
3772a991
JS		 812static int
813lpfc_hba_down_post_s3(struct lpfc_hba *phba)
41415862
JW		 814{
815 struct lpfc_sli *psli = &phba->sli;
816 struct lpfc_sli_ring *pring;
817 struct lpfc_dmabuf *mp, *next_mp;
09372820 818 LIST_HEAD(completions);
41415862
JW		 819 int i;
820
92d7f7b0
JS		 821 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
822 lpfc_sli_hbqbuf_free_all(phba);
823 else {
824 /* Cleanup preposted buffers on the ELS ring */
825 pring = &psli->ring[LPFC_ELS_RING];
826 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
827 list_del(&mp->list);
828 pring->postbufq_cnt--;
829 lpfc_mbuf_free(phba, mp->virt, mp->phys);
830 kfree(mp);
831 }
41415862
JW		 832 }
833
09372820 834 spin_lock_irq(&phba->hbalock);
41415862
JW		 835 for (i = 0; i < psli->num_rings; i++) {
836 pring = &psli->ring[i];
09372820
JS		 837
838 /* At this point in time the HBA is either reset or DOA. Either
839 * way, nothing should be on txcmplq as it will NEVER complete.
840 */
841 list_splice_init(&pring->txcmplq, &completions);
842 pring->txcmplq_cnt = 0;
843 spin_unlock_irq(&phba->hbalock);
844
a257bf90
JS		 845 /* Cancel all the IOCBs from the completions list */
846 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
847 IOERR_SLI_ABORTED);
09372820 848
41415862 849 lpfc_sli_abort_iocb_ring(phba, pring);
09372820 850 spin_lock_irq(&phba->hbalock);
41415862 851 }
09372820 852 spin_unlock_irq(&phba->hbalock);
41415862
JW		 853
854 return 0;
855}
5af5eee7 856
da0436e9
JS		 857/**
858 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
859 * @phba: pointer to lpfc HBA data structure.
860 *
861 * This routine will do uninitialization after the HBA is reset when bring
862 * down the SLI Layer.
863 *
864 * Return codes
af901ca1 865 * 0 - success.
da0436e9
JS		 866 * Any other value - error.
867 **/
868static int
869lpfc_hba_down_post_s4(struct lpfc_hba *phba)
870{
871 struct lpfc_scsi_buf *psb, *psb_next;
872 LIST_HEAD(aborts);
873 int ret;
874 unsigned long iflag = 0;
0f65ff68
JS		 875 struct lpfc_sglq *sglq_entry = NULL;
876
da0436e9
JS		 877 ret = lpfc_hba_down_post_s3(phba);
878 if (ret)
879 return ret;
880 /* At this point in time the HBA is either reset or DOA. Either
881 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
882 * on the lpfc_sgl_list so that it can either be freed if the
883 * driver is unloading or reposted if the driver is restarting
884 * the port.
885 */
886 spin_lock_irq(&phba->hbalock); /* required for lpfc_sgl_list and */
887 /* scsl_buf_list */
888 /* abts_sgl_list_lock required because worker thread uses this
889 * list.
890 */
891 spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
0f65ff68
JS		 892 list_for_each_entry(sglq_entry,
893 &phba->sli4_hba.lpfc_abts_els_sgl_list, list)
894 sglq_entry->state = SGL_FREED;
895
da0436e9
JS		 896 list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list,
897 &phba->sli4_hba.lpfc_sgl_list);
898 spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
899 /* abts_scsi_buf_list_lock required because worker thread uses this
900 * list.
901 */
902 spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
903 list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list,
904 &aborts);
905 spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
906 spin_unlock_irq(&phba->hbalock);
907
908 list_for_each_entry_safe(psb, psb_next, &aborts, list) {
909 psb->pCmd = NULL;
910 psb->status = IOSTAT_SUCCESS;
911 }
912 spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag);
913 list_splice(&aborts, &phba->lpfc_scsi_buf_list);
914 spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag);
915 return 0;
916}
917
918/**
919 * lpfc_hba_down_post - Wrapper func for hba down post routine
920 * @phba: pointer to lpfc HBA data structure.
921 *
922 * This routine wraps the actual SLI3 or SLI4 routine for performing
923 * uninitialization after the HBA is reset when bring down the SLI Layer.
924 *
925 * Return codes
af901ca1 926 * 0 - success.
da0436e9
JS		 927 * Any other value - error.
928 **/
929int
930lpfc_hba_down_post(struct lpfc_hba *phba)
931{
932 return (*phba->lpfc_hba_down_post)(phba);
933}
41415862 934
e59058c4 935/**
3621a710 936 * lpfc_hb_timeout - The HBA-timer timeout handler
e59058c4
JS		 937 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
938 *
939 * This is the HBA-timer timeout handler registered to the lpfc driver. When
940 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
941 * work-port-events bitmap and the worker thread is notified. This timeout
942 * event will be used by the worker thread to invoke the actual timeout
943 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
944 * be performed in the timeout handler and the HBA timeout event bit shall
945 * be cleared by the worker thread after it has taken the event bitmap out.
946 **/
a6ababd2 947static void
858c9f6c
JS		 948lpfc_hb_timeout(unsigned long ptr)
949{
950 struct lpfc_hba *phba;
5e9d9b82 951 uint32_t tmo_posted;
858c9f6c
JS		 952 unsigned long iflag;
953
954 phba = (struct lpfc_hba *)ptr;
9399627f
JS		 955
956 /* Check for heart beat timeout conditions */
858c9f6c 957 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
5e9d9b82
JS		 958 tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO;
959 if (!tmo_posted)
858c9f6c
JS		 960 phba->pport->work_port_events |= WORKER_HB_TMO;
961 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
962
9399627f 963 /* Tell the worker thread there is work to do */
5e9d9b82
JS		 964 if (!tmo_posted)
965 lpfc_worker_wake_up(phba);
858c9f6c
JS		 966 return;
967}
968
19ca7609
JS		 969/**
970 * lpfc_rrq_timeout - The RRQ-timer timeout handler
971 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
972 *
973 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
974 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
975 * work-port-events bitmap and the worker thread is notified. This timeout
976 * event will be used by the worker thread to invoke the actual timeout
977 * handler routine, lpfc_rrq_handler. Any periodical operations will
978 * be performed in the timeout handler and the RRQ timeout event bit shall
979 * be cleared by the worker thread after it has taken the event bitmap out.
980 **/
981static void
982lpfc_rrq_timeout(unsigned long ptr)
983{
984 struct lpfc_hba *phba;
19ca7609
JS		 985 unsigned long iflag;
986
987 phba = (struct lpfc_hba *)ptr;
988 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
1151e3ec 989 phba->hba_flag |= HBA_RRQ_ACTIVE;
19ca7609 990 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
1151e3ec 991 lpfc_worker_wake_up(phba);
19ca7609
JS		 992}
993
e59058c4 994/**
3621a710 995 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
e59058c4
JS		 996 * @phba: pointer to lpfc hba data structure.
997 * @pmboxq: pointer to the driver internal queue element for mailbox command.
998 *
999 * This is the callback function to the lpfc heart-beat mailbox command.
1000 * If configured, the lpfc driver issues the heart-beat mailbox command to
1001 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1002 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1003 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1004 * heart-beat outstanding state. Once the mailbox command comes back and
1005 * no error conditions detected, the heart-beat mailbox command timer is
1006 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1007 * state is cleared for the next heart-beat. If the timer expired with the
1008 * heart-beat outstanding state set, the driver will put the HBA offline.
1009 **/
858c9f6c
JS		 1010static void
1011lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
1012{
1013 unsigned long drvr_flag;
1014
1015 spin_lock_irqsave(&phba->hbalock, drvr_flag);
1016 phba->hb_outstanding = 0;
1017 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
1018
9399627f 1019 /* Check and reset heart-beat timer is necessary */
858c9f6c
JS		 1020 mempool_free(pmboxq, phba->mbox_mem_pool);
1021 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
1022 !(phba->link_state == LPFC_HBA_ERROR) &&
51ef4c26 1023 !(phba->pport->load_flag & FC_UNLOADING))
858c9f6c
JS		 1024 mod_timer(&phba->hb_tmofunc,
1025 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
1026 return;
1027}
1028
e59058c4 1029/**
3621a710 1030 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
e59058c4
JS		 1031 * @phba: pointer to lpfc hba data structure.
1032 *
1033 * This is the actual HBA-timer timeout handler to be invoked by the worker
1034 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1035 * handler performs any periodic operations needed for the device. If such
1036 * periodic event has already been attended to either in the interrupt handler
1037 * or by processing slow-ring or fast-ring events within the HBA-timer
1038 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1039 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1040 * is configured and there is no heart-beat mailbox command outstanding, a
1041 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1042 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1043 * to offline.
1044 **/
858c9f6c
JS		 1045void
1046lpfc_hb_timeout_handler(struct lpfc_hba *phba)
1047{
45ed1190 1048 struct lpfc_vport **vports;
858c9f6c 1049 LPFC_MBOXQ_t *pmboxq;
0ff10d46 1050 struct lpfc_dmabuf *buf_ptr;
45ed1190 1051 int retval, i;
858c9f6c 1052 struct lpfc_sli *psli = &phba->sli;
0ff10d46 1053 LIST_HEAD(completions);
858c9f6c 1054
45ed1190
JS		 1055 vports = lpfc_create_vport_work_array(phba);
1056 if (vports != NULL)
1057 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
1058 lpfc_rcv_seq_check_edtov(vports[i]);
1059 lpfc_destroy_vport_work_array(phba, vports);
1060
858c9f6c 1061 if ((phba->link_state == LPFC_HBA_ERROR) ||
51ef4c26 1062 (phba->pport->load_flag & FC_UNLOADING) ||
858c9f6c
JS		 1063 (phba->pport->fc_flag & FC_OFFLINE_MODE))
1064 return;
1065
1066 spin_lock_irq(&phba->pport->work_port_lock);
858c9f6c
JS		 1067
1068 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
1069 jiffies)) {
1070 spin_unlock_irq(&phba->pport->work_port_lock);
1071 if (!phba->hb_outstanding)
1072 mod_timer(&phba->hb_tmofunc,
1073 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
1074 else
1075 mod_timer(&phba->hb_tmofunc,
1076 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
1077 return;
1078 }
1079 spin_unlock_irq(&phba->pport->work_port_lock);
1080
0ff10d46
JS		 1081 if (phba->elsbuf_cnt &&
1082 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
1083 spin_lock_irq(&phba->hbalock);
1084 list_splice_init(&phba->elsbuf, &completions);
1085 phba->elsbuf_cnt = 0;
1086 phba->elsbuf_prev_cnt = 0;
1087 spin_unlock_irq(&phba->hbalock);
1088
1089 while (!list_empty(&completions)) {
1090 list_remove_head(&completions, buf_ptr,
1091 struct lpfc_dmabuf, list);
1092 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
1093 kfree(buf_ptr);
1094 }
1095 }
1096 phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
1097
858c9f6c 1098 /* If there is no heart beat outstanding, issue a heartbeat command */
13815c83
JS		 1099 if (phba->cfg_enable_hba_heartbeat) {
1100 if (!phba->hb_outstanding) {
bc73905a
JS		 1101 if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) &&
1102 (list_empty(&psli->mboxq))) {
1103 pmboxq = mempool_alloc(phba->mbox_mem_pool,
1104 GFP_KERNEL);
1105 if (!pmboxq) {
1106 mod_timer(&phba->hb_tmofunc,
1107 jiffies +
1108 HZ * LPFC_HB_MBOX_INTERVAL);
1109 return;
1110 }
1111
1112 lpfc_heart_beat(phba, pmboxq);
1113 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
1114 pmboxq->vport = phba->pport;
1115 retval = lpfc_sli_issue_mbox(phba, pmboxq,
1116 MBX_NOWAIT);
1117
1118 if (retval != MBX_BUSY &&
1119 retval != MBX_SUCCESS) {
1120 mempool_free(pmboxq,
1121 phba->mbox_mem_pool);
1122 mod_timer(&phba->hb_tmofunc,
1123 jiffies +
1124 HZ * LPFC_HB_MBOX_INTERVAL);
1125 return;
1126 }
1127 phba->skipped_hb = 0;
1128 phba->hb_outstanding = 1;
1129 } else if (time_before_eq(phba->last_completion_time,
1130 phba->skipped_hb)) {
1131 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1132 "2857 Last completion time not "
1133 " updated in %d ms\n",
1134 jiffies_to_msecs(jiffies
1135 - phba->last_completion_time));
1136 } else
1137 phba->skipped_hb = jiffies;
1138
858c9f6c 1139 mod_timer(&phba->hb_tmofunc,
13815c83 1140 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
858c9f6c 1141 return;
13815c83
JS		 1142 } else {
1143 /*
1144 * If heart beat timeout called with hb_outstanding set
dcf2a4e0
JS		 1145 * we need to give the hb mailbox cmd a chance to
1146 * complete or TMO.
13815c83 1147 */
dcf2a4e0
JS		 1148 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1149 "0459 Adapter heartbeat still out"
1150 "standing:last compl time was %d ms.\n",
1151 jiffies_to_msecs(jiffies
1152 - phba->last_completion_time));
1153 mod_timer(&phba->hb_tmofunc,
1154 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
858c9f6c 1155 }
858c9f6c
JS		 1156 }
1157}
1158
e59058c4 1159/**
3621a710 1160 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
e59058c4
JS		 1161 * @phba: pointer to lpfc hba data structure.
1162 *
1163 * This routine is called to bring the HBA offline when HBA hardware error
1164 * other than Port Error 6 has been detected.
1165 **/
09372820
JS		 1166static void
1167lpfc_offline_eratt(struct lpfc_hba *phba)
1168{
1169 struct lpfc_sli *psli = &phba->sli;
1170
1171 spin_lock_irq(&phba->hbalock);
f4b4c68f 1172 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
09372820 1173 spin_unlock_irq(&phba->hbalock);
618a5230 1174 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
09372820
JS		 1175
1176 lpfc_offline(phba);
1177 lpfc_reset_barrier(phba);
f4b4c68f 1178 spin_lock_irq(&phba->hbalock);
09372820 1179 lpfc_sli_brdreset(phba);
f4b4c68f 1180 spin_unlock_irq(&phba->hbalock);
09372820
JS		 1181 lpfc_hba_down_post(phba);
1182 lpfc_sli_brdready(phba, HS_MBRDY);
1183 lpfc_unblock_mgmt_io(phba);
1184 phba->link_state = LPFC_HBA_ERROR;
1185 return;
1186}
1187
da0436e9
JS		 1188/**
1189 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1190 * @phba: pointer to lpfc hba data structure.
1191 *
1192 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1193 * other than Port Error 6 has been detected.
1194 **/
1195static void
1196lpfc_sli4_offline_eratt(struct lpfc_hba *phba)
1197{
618a5230 1198 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
da0436e9
JS		 1199 lpfc_offline(phba);
1200 lpfc_sli4_brdreset(phba);
1201 lpfc_hba_down_post(phba);
1202 lpfc_sli4_post_status_check(phba);
1203 lpfc_unblock_mgmt_io(phba);
1204 phba->link_state = LPFC_HBA_ERROR;
1205}
1206
a257bf90
JS		 1207/**
1208 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1209 * @phba: pointer to lpfc hba data structure.
1210 *
1211 * This routine is invoked to handle the deferred HBA hardware error
1212 * conditions. This type of error is indicated by HBA by setting ER1
1213 * and another ER bit in the host status register. The driver will
1214 * wait until the ER1 bit clears before handling the error condition.
1215 **/
1216static void
1217lpfc_handle_deferred_eratt(struct lpfc_hba *phba)
1218{
1219 uint32_t old_host_status = phba->work_hs;
1220 struct lpfc_sli_ring *pring;
1221 struct lpfc_sli *psli = &phba->sli;
1222
f4b4c68f
JS		 1223 /* If the pci channel is offline, ignore possible errors,
1224 * since we cannot communicate with the pci card anyway.
1225 */
1226 if (pci_channel_offline(phba->pcidev)) {
1227 spin_lock_irq(&phba->hbalock);
1228 phba->hba_flag &= ~DEFER_ERATT;
1229 spin_unlock_irq(&phba->hbalock);
1230 return;
1231 }
1232
a257bf90
JS		 1233 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1234 "0479 Deferred Adapter Hardware Error "
1235 "Data: x%x x%x x%x\n",
1236 phba->work_hs,
1237 phba->work_status[0], phba->work_status[1]);
1238
1239 spin_lock_irq(&phba->hbalock);
f4b4c68f 1240 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
a257bf90
JS		 1241 spin_unlock_irq(&phba->hbalock);
1242
1243
1244 /*
1245 * Firmware stops when it triggred erratt. That could cause the I/Os
1246 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1247 * SCSI layer retry it after re-establishing link.
1248 */
1249 pring = &psli->ring[psli->fcp_ring];
1250 lpfc_sli_abort_iocb_ring(phba, pring);
1251
1252 /*
1253 * There was a firmware error. Take the hba offline and then
1254 * attempt to restart it.
1255 */
618a5230 1256 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
a257bf90
JS		 1257 lpfc_offline(phba);
1258
1259 /* Wait for the ER1 bit to clear.*/
1260 while (phba->work_hs & HS_FFER1) {
1261 msleep(100);
9940b97b
JS		 1262 if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) {
1263 phba->work_hs = UNPLUG_ERR ;
1264 break;
1265 }
a257bf90
JS		 1266 /* If driver is unloading let the worker thread continue */
1267 if (phba->pport->load_flag & FC_UNLOADING) {
1268 phba->work_hs = 0;
1269 break;
1270 }
1271 }
1272
1273 /*
1274 * This is to ptrotect against a race condition in which
1275 * first write to the host attention register clear the
1276 * host status register.
1277 */
1278 if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING)))
1279 phba->work_hs = old_host_status & ~HS_FFER1;
1280
3772a991 1281 spin_lock_irq(&phba->hbalock);
a257bf90 1282 phba->hba_flag &= ~DEFER_ERATT;
3772a991 1283 spin_unlock_irq(&phba->hbalock);
a257bf90
JS		 1284 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
1285 phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
1286}
1287
3772a991
JS		 1288static void
1289lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba)
1290{
1291 struct lpfc_board_event_header board_event;
1292 struct Scsi_Host *shost;
1293
1294 board_event.event_type = FC_REG_BOARD_EVENT;
1295 board_event.subcategory = LPFC_EVENT_PORTINTERR;
1296 shost = lpfc_shost_from_vport(phba->pport);
1297 fc_host_post_vendor_event(shost, fc_get_event_number(),
1298 sizeof(board_event),
1299 (char *) &board_event,
1300 LPFC_NL_VENDOR_ID);
1301}
1302
e59058c4 1303/**
3772a991 1304 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
e59058c4
JS		 1305 * @phba: pointer to lpfc hba data structure.
1306 *
1307 * This routine is invoked to handle the following HBA hardware error
1308 * conditions:
1309 * 1 - HBA error attention interrupt
1310 * 2 - DMA ring index out of range
1311 * 3 - Mailbox command came back as unknown
1312 **/
3772a991
JS		 1313static void
1314lpfc_handle_eratt_s3(struct lpfc_hba *phba)
dea3101e 1315{
2e0fef85 1316 struct lpfc_vport *vport = phba->pport;
2e0fef85 1317 struct lpfc_sli *psli = &phba->sli;
dea3101e 1318 struct lpfc_sli_ring *pring;
d2873e4c 1319 uint32_t event_data;
57127f15
JS		 1320 unsigned long temperature;
1321 struct temp_event temp_event_data;
92d7f7b0 1322 struct Scsi_Host *shost;
2e0fef85 1323
8d63f375 1324 /* If the pci channel is offline, ignore possible errors,
3772a991
JS		 1325 * since we cannot communicate with the pci card anyway.
1326 */
1327 if (pci_channel_offline(phba->pcidev)) {
1328 spin_lock_irq(&phba->hbalock);
1329 phba->hba_flag &= ~DEFER_ERATT;
1330 spin_unlock_irq(&phba->hbalock);
8d63f375 1331 return;
3772a991
JS		 1332 }
1333
13815c83
JS		 1334 /* If resets are disabled then leave the HBA alone and return */
1335 if (!phba->cfg_enable_hba_reset)
1336 return;
dea3101e 1337
ea2151b4 1338 /* Send an internal error event to mgmt application */
3772a991 1339 lpfc_board_errevt_to_mgmt(phba);
ea2151b4 1340
a257bf90
JS		 1341 if (phba->hba_flag & DEFER_ERATT)
1342 lpfc_handle_deferred_eratt(phba);
1343
dcf2a4e0
JS		 1344 if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) {
1345 if (phba->work_hs & HS_FFER6)
1346 /* Re-establishing Link */
1347 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1348 "1301 Re-establishing Link "
1349 "Data: x%x x%x x%x\n",
1350 phba->work_hs, phba->work_status[0],
1351 phba->work_status[1]);
1352 if (phba->work_hs & HS_FFER8)
1353 /* Device Zeroization */
1354 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1355 "2861 Host Authentication device "
1356 "zeroization Data:x%x x%x x%x\n",
1357 phba->work_hs, phba->work_status[0],
1358 phba->work_status[1]);
58da1ffb 1359
92d7f7b0 1360 spin_lock_irq(&phba->hbalock);
f4b4c68f 1361 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
92d7f7b0 1362 spin_unlock_irq(&phba->hbalock);
dea3101e 1363
1364 /*
1365 * Firmware stops when it triggled erratt with HS_FFER6.
1366 * That could cause the I/Os dropped by the firmware.
1367 * Error iocb (I/O) on txcmplq and let the SCSI layer
1368 * retry it after re-establishing link.
1369 */
1370 pring = &psli->ring[psli->fcp_ring];
1371 lpfc_sli_abort_iocb_ring(phba, pring);
1372
dea3101e 1373 /*
1374 * There was a firmware error. Take the hba offline and then
1375 * attempt to restart it.
1376 */
618a5230 1377 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
dea3101e 1378 lpfc_offline(phba);
41415862 1379 lpfc_sli_brdrestart(phba);
dea3101e 1380 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
46fa311e 1381 lpfc_unblock_mgmt_io(phba);
dea3101e 1382 return;
1383 }
46fa311e 1384 lpfc_unblock_mgmt_io(phba);
57127f15
JS		 1385 } else if (phba->work_hs & HS_CRIT_TEMP) {
1386 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
1387 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
1388 temp_event_data.event_code = LPFC_CRIT_TEMP;
1389 temp_event_data.data = (uint32_t)temperature;
1390
1391 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
d7c255b2 1392 "0406 Adapter maximum temperature exceeded "
57127f15
JS		 1393 "(%ld), taking this port offline "
1394 "Data: x%x x%x x%x\n",
1395 temperature, phba->work_hs,
1396 phba->work_status[0], phba->work_status[1]);
1397
1398 shost = lpfc_shost_from_vport(phba->pport);
1399 fc_host_post_vendor_event(shost, fc_get_event_number(),
1400 sizeof(temp_event_data),
1401 (char *) &temp_event_data,
1402 SCSI_NL_VID_TYPE_PCI
1403 | PCI_VENDOR_ID_EMULEX);
1404
7af67051 1405 spin_lock_irq(&phba->hbalock);
7af67051
JS		 1406 phba->over_temp_state = HBA_OVER_TEMP;
1407 spin_unlock_irq(&phba->hbalock);
09372820 1408 lpfc_offline_eratt(phba);
57127f15 1409
dea3101e 1410 } else {
1411 /* The if clause above forces this code path when the status
9399627f
JS		 1412 * failure is a value other than FFER6. Do not call the offline
1413 * twice. This is the adapter hardware error path.
dea3101e 1414 */
1415 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 1416 "0457 Adapter Hardware Error "
dea3101e 1417 "Data: x%x x%x x%x\n",
e8b62011 1418 phba->work_hs,
dea3101e 1419 phba->work_status[0], phba->work_status[1]);
1420
d2873e4c 1421 event_data = FC_REG_DUMP_EVENT;
92d7f7b0 1422 shost = lpfc_shost_from_vport(vport);
2e0fef85 1423 fc_host_post_vendor_event(shost, fc_get_event_number(),
d2873e4c
JS		 1424 sizeof(event_data), (char *) &event_data,
1425 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
1426
09372820 1427 lpfc_offline_eratt(phba);
dea3101e 1428 }
9399627f 1429 return;
dea3101e 1430}
1431
618a5230
JS		 1432/**
1433 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1434 * @phba: pointer to lpfc hba data structure.
1435 * @mbx_action: flag for mailbox shutdown action.
1436 *
1437 * This routine is invoked to perform an SLI4 port PCI function reset in
1438 * response to port status register polling attention. It waits for port
1439 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1440 * During this process, interrupt vectors are freed and later requested
1441 * for handling possible port resource change.
1442 **/
1443static int
1444lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action)
1445{
1446 int rc;
1447 uint32_t intr_mode;
1448
1449 /*
1450 * On error status condition, driver need to wait for port
1451 * ready before performing reset.
1452 */
1453 rc = lpfc_sli4_pdev_status_reg_wait(phba);
1454 if (!rc) {
1455 /* need reset: attempt for port recovery */
1456 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1457 "2887 Reset Needed: Attempting Port "
1458 "Recovery...\n");
1459 lpfc_offline_prep(phba, mbx_action);
1460 lpfc_offline(phba);
1461 /* release interrupt for possible resource change */
1462 lpfc_sli4_disable_intr(phba);
1463 lpfc_sli_brdrestart(phba);
1464 /* request and enable interrupt */
1465 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
1466 if (intr_mode == LPFC_INTR_ERROR) {
1467 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1468 "3175 Failed to enable interrupt\n");
1469 return -EIO;
1470 } else {
1471 phba->intr_mode = intr_mode;
1472 }
1473 rc = lpfc_online(phba);
1474 if (rc == 0)
1475 lpfc_unblock_mgmt_io(phba);
1476 }
1477 return rc;
1478}
1479
da0436e9
JS		 1480/**
1481 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1482 * @phba: pointer to lpfc hba data structure.
1483 *
1484 * This routine is invoked to handle the SLI4 HBA hardware error attention
1485 * conditions.
1486 **/
1487static void
1488lpfc_handle_eratt_s4(struct lpfc_hba *phba)
1489{
1490 struct lpfc_vport *vport = phba->pport;
1491 uint32_t event_data;
1492 struct Scsi_Host *shost;
2fcee4bf 1493 uint32_t if_type;
2e90f4b5
JS		 1494 struct lpfc_register portstat_reg = {0};
1495 uint32_t reg_err1, reg_err2;
1496 uint32_t uerrlo_reg, uemasklo_reg;
1497 uint32_t pci_rd_rc1, pci_rd_rc2;
73d91e50 1498 int rc;
da0436e9
JS		 1499
1500 /* If the pci channel is offline, ignore possible errors, since
1501 * we cannot communicate with the pci card anyway.
1502 */
1503 if (pci_channel_offline(phba->pcidev))
1504 return;
1505 /* If resets are disabled then leave the HBA alone and return */
1506 if (!phba->cfg_enable_hba_reset)
1507 return;
1508
2fcee4bf
JS		 1509 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
1510 switch (if_type) {
1511 case LPFC_SLI_INTF_IF_TYPE_0:
2e90f4b5
JS		 1512 pci_rd_rc1 = lpfc_readl(
1513 phba->sli4_hba.u.if_type0.UERRLOregaddr,
1514 &uerrlo_reg);
1515 pci_rd_rc2 = lpfc_readl(
1516 phba->sli4_hba.u.if_type0.UEMASKLOregaddr,
1517 &uemasklo_reg);
1518 /* consider PCI bus read error as pci_channel_offline */
1519 if (pci_rd_rc1 == -EIO && pci_rd_rc2 == -EIO)
1520 return;
2fcee4bf
JS		 1521 lpfc_sli4_offline_eratt(phba);
1522 break;
1523 case LPFC_SLI_INTF_IF_TYPE_2:
2e90f4b5
JS		 1524 pci_rd_rc1 = lpfc_readl(
1525 phba->sli4_hba.u.if_type2.STATUSregaddr,
1526 &portstat_reg.word0);
1527 /* consider PCI bus read error as pci_channel_offline */
6b5151fd
JS		 1528 if (pci_rd_rc1 == -EIO) {
1529 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1530 "3151 PCI bus read access failure: x%x\n",
1531 readl(phba->sli4_hba.u.if_type2.STATUSregaddr));
2e90f4b5 1532 return;
6b5151fd 1533 }
2e90f4b5
JS		 1534 reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr);
1535 reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr);
2fcee4bf
JS		 1536 if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) {
1537 /* TODO: Register for Overtemp async events. */
1538 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1539 "2889 Port Overtemperature event, "
026abb87 1540 "taking port offline\n");
2fcee4bf
JS		 1541 spin_lock_irq(&phba->hbalock);
1542 phba->over_temp_state = HBA_OVER_TEMP;
1543 spin_unlock_irq(&phba->hbalock);
1544 lpfc_sli4_offline_eratt(phba);
2e90f4b5 1545 break;
2fcee4bf 1546 }
2e90f4b5
JS		 1547 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1548 reg_err2 == SLIPORT_ERR2_REG_FW_RESTART)
1549 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1550 "3143 Port Down: Firmware Restarted\n");
1551 else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1552 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
1553 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1554 "3144 Port Down: Debug Dump\n");
1555 else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1556 reg_err2 == SLIPORT_ERR2_REG_FUNC_PROVISON)
1557 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1558 "3145 Port Down: Provisioning\n");
618a5230
JS		 1559
1560 /* Check port status register for function reset */
1561 rc = lpfc_sli4_port_sta_fn_reset(phba, LPFC_MBX_NO_WAIT);
1562 if (rc == 0) {
1563 /* don't report event on forced debug dump */
1564 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1565 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
1566 return;
1567 else
1568 break;
2fcee4bf 1569 }
618a5230 1570 /* fall through for not able to recover */
6b5151fd
JS		 1571 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1572 "3152 Unrecoverable error, bring the port "
1573 "offline\n");
2fcee4bf
JS		 1574 lpfc_sli4_offline_eratt(phba);
1575 break;
1576 case LPFC_SLI_INTF_IF_TYPE_1:
1577 default:
1578 break;
1579 }
2e90f4b5
JS		 1580 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1581 "3123 Report dump event to upper layer\n");
1582 /* Send an internal error event to mgmt application */
1583 lpfc_board_errevt_to_mgmt(phba);
1584
1585 event_data = FC_REG_DUMP_EVENT;
1586 shost = lpfc_shost_from_vport(vport);
1587 fc_host_post_vendor_event(shost, fc_get_event_number(),
1588 sizeof(event_data), (char *) &event_data,
1589 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
da0436e9
JS		 1590}
1591
1592/**
1593 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1594 * @phba: pointer to lpfc HBA data structure.
1595 *
1596 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1597 * routine from the API jump table function pointer from the lpfc_hba struct.
1598 *
1599 * Return codes
af901ca1 1600 * 0 - success.
da0436e9
JS		 1601 * Any other value - error.
1602 **/
1603void
1604lpfc_handle_eratt(struct lpfc_hba *phba)
1605{
1606 (*phba->lpfc_handle_eratt)(phba);
1607}
1608
e59058c4 1609/**
3621a710 1610 * lpfc_handle_latt - The HBA link event handler
e59058c4
JS		 1611 * @phba: pointer to lpfc hba data structure.
1612 *
1613 * This routine is invoked from the worker thread to handle a HBA host
1614 * attention link event.
1615 **/
dea3101e 1616void
2e0fef85 1617lpfc_handle_latt(struct lpfc_hba *phba)
dea3101e 1618{
2e0fef85
JS		 1619 struct lpfc_vport *vport = phba->pport;
1620 struct lpfc_sli *psli = &phba->sli;
dea3101e 1621 LPFC_MBOXQ_t *pmb;
1622 volatile uint32_t control;
1623 struct lpfc_dmabuf *mp;
09372820 1624 int rc = 0;
dea3101e 1625
1626 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
09372820
JS		 1627 if (!pmb) {
1628 rc = 1;
dea3101e 1629 goto lpfc_handle_latt_err_exit;
09372820 1630 }
dea3101e 1631
1632 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
09372820
JS		 1633 if (!mp) {
1634 rc = 2;
dea3101e 1635 goto lpfc_handle_latt_free_pmb;
09372820 1636 }
dea3101e 1637
1638 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
09372820
JS		 1639 if (!mp->virt) {
1640 rc = 3;
dea3101e 1641 goto lpfc_handle_latt_free_mp;
09372820 1642 }
dea3101e 1643
6281bfe0 1644 /* Cleanup any outstanding ELS commands */
549e55cd 1645 lpfc_els_flush_all_cmd(phba);
dea3101e 1646
1647 psli->slistat.link_event++;
76a95d75
JS		 1648 lpfc_read_topology(phba, pmb, mp);
1649 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
2e0fef85 1650 pmb->vport = vport;
0d2b6b83
JS		 1651 /* Block ELS IOCBs until we have processed this mbox command */
1652 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
0b727fea 1653 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
09372820
JS		 1654 if (rc == MBX_NOT_FINISHED) {
1655 rc = 4;
14691150 1656 goto lpfc_handle_latt_free_mbuf;
09372820 1657 }
dea3101e 1658
1659 /* Clear Link Attention in HA REG */
2e0fef85 1660 spin_lock_irq(&phba->hbalock);
dea3101e 1661 writel(HA_LATT, phba->HAregaddr);
1662 readl(phba->HAregaddr); /* flush */
2e0fef85 1663 spin_unlock_irq(&phba->hbalock);
dea3101e 1664
1665 return;
1666
14691150 1667lpfc_handle_latt_free_mbuf:
0d2b6b83 1668 phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT;
14691150 1669 lpfc_mbuf_free(phba, mp->virt, mp->phys);
dea3101e 1670lpfc_handle_latt_free_mp:
1671 kfree(mp);
1672lpfc_handle_latt_free_pmb:
1dcb58e5 1673 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e 1674lpfc_handle_latt_err_exit:
1675 /* Enable Link attention interrupts */
2e0fef85 1676 spin_lock_irq(&phba->hbalock);
dea3101e 1677 psli->sli_flag |= LPFC_PROCESS_LA;
1678 control = readl(phba->HCregaddr);
1679 control |= HC_LAINT_ENA;
1680 writel(control, phba->HCregaddr);
1681 readl(phba->HCregaddr); /* flush */
1682
1683 /* Clear Link Attention in HA REG */
1684 writel(HA_LATT, phba->HAregaddr);
1685 readl(phba->HAregaddr); /* flush */
2e0fef85 1686 spin_unlock_irq(&phba->hbalock);
dea3101e 1687 lpfc_linkdown(phba);
2e0fef85 1688 phba->link_state = LPFC_HBA_ERROR;
dea3101e 1689
09372820
JS		 1690 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1691 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
dea3101e 1692
1693 return;
1694}
1695
e59058c4 1696/**
3621a710 1697 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
e59058c4
JS		 1698 * @phba: pointer to lpfc hba data structure.
1699 * @vpd: pointer to the vital product data.
1700 * @len: length of the vital product data in bytes.
1701 *
1702 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1703 * an array of characters. In this routine, the ModelName, ProgramType, and
1704 * ModelDesc, etc. fields of the phba data structure will be populated.
1705 *
1706 * Return codes
1707 * 0 - pointer to the VPD passed in is NULL
1708 * 1 - success
1709 **/
3772a991 1710int
2e0fef85 1711lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
dea3101e 1712{
1713 uint8_t lenlo, lenhi;
07da60c1 1714 int Length;
dea3101e 1715 int i, j;
1716 int finished = 0;
1717 int index = 0;
1718
1719 if (!vpd)
1720 return 0;
1721
1722 /* Vital Product */
ed957684 1723 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011 1724 "0455 Vital Product Data: x%x x%x x%x x%x\n",
dea3101e 1725 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
1726 (uint32_t) vpd[3]);
74b72a59 1727 while (!finished && (index < (len - 4))) {
dea3101e 1728 switch (vpd[index]) {
1729 case 0x82:
74b72a59 1730 case 0x91:
dea3101e 1731 index += 1;
1732 lenlo = vpd[index];
1733 index += 1;
1734 lenhi = vpd[index];
1735 index += 1;
1736 i = ((((unsigned short)lenhi) << 8) + lenlo);
1737 index += i;
1738 break;
1739 case 0x90:
1740 index += 1;
1741 lenlo = vpd[index];
1742 index += 1;
1743 lenhi = vpd[index];
1744 index += 1;
1745 Length = ((((unsigned short)lenhi) << 8) + lenlo);
74b72a59
JW		 1746 if (Length > len - index)
1747 Length = len - index;
dea3101e 1748 while (Length > 0) {
1749 /* Look for Serial Number */
1750 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
1751 index += 2;
1752 i = vpd[index];
1753 index += 1;
1754 j = 0;
1755 Length -= (3+i);
1756 while(i--) {
1757 phba->SerialNumber[j++] = vpd[index++];
1758 if (j == 31)
1759 break;
1760 }
1761 phba->SerialNumber[j] = 0;
1762 continue;
1763 }
1764 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
1765 phba->vpd_flag |= VPD_MODEL_DESC;
1766 index += 2;
1767 i = vpd[index];
1768 index += 1;
1769 j = 0;
1770 Length -= (3+i);
1771 while(i--) {
1772 phba->ModelDesc[j++] = vpd[index++];
1773 if (j == 255)
1774 break;
1775 }
1776 phba->ModelDesc[j] = 0;
1777 continue;
1778 }
1779 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
1780 phba->vpd_flag |= VPD_MODEL_NAME;
1781 index += 2;
1782 i = vpd[index];
1783 index += 1;
1784 j = 0;
1785 Length -= (3+i);
1786 while(i--) {
1787 phba->ModelName[j++] = vpd[index++];
1788 if (j == 79)
1789 break;
1790 }
1791 phba->ModelName[j] = 0;
1792 continue;
1793 }
1794 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
1795 phba->vpd_flag |= VPD_PROGRAM_TYPE;
1796 index += 2;
1797 i = vpd[index];
1798 index += 1;
1799 j = 0;
1800 Length -= (3+i);
1801 while(i--) {
1802 phba->ProgramType[j++] = vpd[index++];
1803 if (j == 255)
1804 break;
1805 }
1806 phba->ProgramType[j] = 0;
1807 continue;
1808 }
1809 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
1810 phba->vpd_flag |= VPD_PORT;
1811 index += 2;
1812 i = vpd[index];
1813 index += 1;
1814 j = 0;
1815 Length -= (3+i);
1816 while(i--) {
cd1c8301
JS		 1817 if ((phba->sli_rev == LPFC_SLI_REV4) &&
1818 (phba->sli4_hba.pport_name_sta ==
1819 LPFC_SLI4_PPNAME_GET)) {
1820 j++;
1821 index++;
1822 } else
1823 phba->Port[j++] = vpd[index++];
1824 if (j == 19)
1825 break;
dea3101e 1826 }
cd1c8301
JS		 1827 if ((phba->sli_rev != LPFC_SLI_REV4) ||
1828 (phba->sli4_hba.pport_name_sta ==
1829 LPFC_SLI4_PPNAME_NON))
1830 phba->Port[j] = 0;
dea3101e 1831 continue;
1832 }
1833 else {
1834 index += 2;
1835 i = vpd[index];
1836 index += 1;
1837 index += i;
1838 Length -= (3 + i);
1839 }
1840 }
1841 finished = 0;
1842 break;
1843 case 0x78:
1844 finished = 1;
1845 break;
1846 default:
1847 index ++;
1848 break;
1849 }
74b72a59 1850 }
dea3101e 1851
1852 return(1);
1853}
1854
e59058c4 1855/**
3621a710 1856 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
e59058c4
JS		 1857 * @phba: pointer to lpfc hba data structure.
1858 * @mdp: pointer to the data structure to hold the derived model name.
1859 * @descp: pointer to the data structure to hold the derived description.
1860 *
1861 * This routine retrieves HBA's description based on its registered PCI device
1862 * ID. The @descp passed into this function points to an array of 256 chars. It
1863 * shall be returned with the model name, maximum speed, and the host bus type.
1864 * The @mdp passed into this function points to an array of 80 chars. When the
1865 * function returns, the @mdp will be filled with the model name.
1866 **/
dea3101e 1867static void
2e0fef85 1868lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
dea3101e 1869{
1870 lpfc_vpd_t *vp;
fefcb2b6 1871 uint16_t dev_id = phba->pcidev->device;
74b72a59 1872 int max_speed;
84774a4d 1873 int GE = 0;
da0436e9 1874 int oneConnect = 0; /* default is not a oneConnect */
74b72a59 1875 struct {
a747c9ce
JS		 1876 char *name;
1877 char *bus;
1878 char *function;
1879 } m = {"<Unknown>", "", ""};
74b72a59
JW		 1880
1881 if (mdp && mdp[0] != '\0'
1882 && descp && descp[0] != '\0')
1883 return;
1884
c0c11512
JS		 1885 if (phba->lmt & LMT_16Gb)
1886 max_speed = 16;
1887 else if (phba->lmt & LMT_10Gb)
74b72a59
JW		 1888 max_speed = 10;
1889 else if (phba->lmt & LMT_8Gb)
1890 max_speed = 8;
1891 else if (phba->lmt & LMT_4Gb)
1892 max_speed = 4;
1893 else if (phba->lmt & LMT_2Gb)
1894 max_speed = 2;
1895 else
1896 max_speed = 1;
dea3101e 1897
1898 vp = &phba->vpd;
dea3101e 1899
e4adb204 1900 switch (dev_id) {
06325e74 1901 case PCI_DEVICE_ID_FIREFLY:
a747c9ce 1902 m = (typeof(m)){"LP6000", "PCI", "Fibre Channel Adapter"};
06325e74 1903 break;
dea3101e 1904 case PCI_DEVICE_ID_SUPERFLY:
1905 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
a747c9ce
JS		 1906 m = (typeof(m)){"LP7000", "PCI",
1907 "Fibre Channel Adapter"};
dea3101e 1908 else
a747c9ce
JS		 1909 m = (typeof(m)){"LP7000E", "PCI",
1910 "Fibre Channel Adapter"};
dea3101e 1911 break;
1912 case PCI_DEVICE_ID_DRAGONFLY:
a747c9ce
JS		 1913 m = (typeof(m)){"LP8000", "PCI",
1914 "Fibre Channel Adapter"};
dea3101e 1915 break;
1916 case PCI_DEVICE_ID_CENTAUR:
1917 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
a747c9ce
JS		 1918 m = (typeof(m)){"LP9002", "PCI",
1919 "Fibre Channel Adapter"};
dea3101e 1920 else
a747c9ce
JS		 1921 m = (typeof(m)){"LP9000", "PCI",
1922 "Fibre Channel Adapter"};
dea3101e 1923 break;
1924 case PCI_DEVICE_ID_RFLY:
a747c9ce
JS		 1925 m = (typeof(m)){"LP952", "PCI",
1926 "Fibre Channel Adapter"};
dea3101e 1927 break;
1928 case PCI_DEVICE_ID_PEGASUS:
a747c9ce
JS		 1929 m = (typeof(m)){"LP9802", "PCI-X",
1930 "Fibre Channel Adapter"};
dea3101e 1931 break;
1932 case PCI_DEVICE_ID_THOR:
a747c9ce
JS		 1933 m = (typeof(m)){"LP10000", "PCI-X",
1934 "Fibre Channel Adapter"};
dea3101e 1935 break;
1936 case PCI_DEVICE_ID_VIPER:
a747c9ce
JS		 1937 m = (typeof(m)){"LPX1000", "PCI-X",
1938 "Fibre Channel Adapter"};
dea3101e 1939 break;
1940 case PCI_DEVICE_ID_PFLY:
a747c9ce
JS		 1941 m = (typeof(m)){"LP982", "PCI-X",
1942 "Fibre Channel Adapter"};
dea3101e 1943 break;
1944 case PCI_DEVICE_ID_TFLY:
a747c9ce
JS		 1945 m = (typeof(m)){"LP1050", "PCI-X",
1946 "Fibre Channel Adapter"};
dea3101e 1947 break;
1948 case PCI_DEVICE_ID_HELIOS:
a747c9ce
JS		 1949 m = (typeof(m)){"LP11000", "PCI-X2",
1950 "Fibre Channel Adapter"};
dea3101e 1951 break;
e4adb204 1952 case PCI_DEVICE_ID_HELIOS_SCSP:
a747c9ce
JS		 1953 m = (typeof(m)){"LP11000-SP", "PCI-X2",
1954 "Fibre Channel Adapter"};
e4adb204
JSEC		 1955 break;
1956 case PCI_DEVICE_ID_HELIOS_DCSP:
a747c9ce
JS		 1957 m = (typeof(m)){"LP11002-SP", "PCI-X2",
1958 "Fibre Channel Adapter"};
e4adb204
JSEC		 1959 break;
1960 case PCI_DEVICE_ID_NEPTUNE:
a747c9ce 1961 m = (typeof(m)){"LPe1000", "PCIe", "Fibre Channel Adapter"};
e4adb204
JSEC		 1962 break;
1963 case PCI_DEVICE_ID_NEPTUNE_SCSP:
a747c9ce 1964 m = (typeof(m)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"};
e4adb204
JSEC		 1965 break;
1966 case PCI_DEVICE_ID_NEPTUNE_DCSP:
a747c9ce 1967 m = (typeof(m)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"};
e4adb204 1968 break;
dea3101e 1969 case PCI_DEVICE_ID_BMID:
a747c9ce 1970 m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
dea3101e 1971 break;
1972 case PCI_DEVICE_ID_BSMB:
a747c9ce 1973 m = (typeof(m)){"LP111", "PCI-X2", "Fibre Channel Adapter"};
dea3101e 1974 break;
1975 case PCI_DEVICE_ID_ZEPHYR:
a747c9ce 1976 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
dea3101e 1977 break;
e4adb204 1978 case PCI_DEVICE_ID_ZEPHYR_SCSP:
a747c9ce 1979 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
e4adb204
JSEC		 1980 break;
1981 case PCI_DEVICE_ID_ZEPHYR_DCSP:
a747c9ce 1982 m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"};
a257bf90 1983 GE = 1;
e4adb204 1984 break;
dea3101e 1985 case PCI_DEVICE_ID_ZMID:
a747c9ce 1986 m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
dea3101e 1987 break;
1988 case PCI_DEVICE_ID_ZSMB:
a747c9ce 1989 m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"};
dea3101e 1990 break;
1991 case PCI_DEVICE_ID_LP101:
a747c9ce 1992 m = (typeof(m)){"LP101", "PCI-X", "Fibre Channel Adapter"};
dea3101e 1993 break;
1994 case PCI_DEVICE_ID_LP10000S:
a747c9ce 1995 m = (typeof(m)){"LP10000-S", "PCI", "Fibre Channel Adapter"};
06325e74 1996 break;
e4adb204 1997 case PCI_DEVICE_ID_LP11000S:
a747c9ce 1998 m = (typeof(m)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"};
18a3b596 1999 break;
e4adb204 2000 case PCI_DEVICE_ID_LPE11000S:
a747c9ce 2001 m = (typeof(m)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"};
5cc36b3c 2002 break;
b87eab38 2003 case PCI_DEVICE_ID_SAT:
a747c9ce 2004 m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2005 break;
2006 case PCI_DEVICE_ID_SAT_MID:
a747c9ce 2007 m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2008 break;
2009 case PCI_DEVICE_ID_SAT_SMB:
a747c9ce 2010 m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2011 break;
2012 case PCI_DEVICE_ID_SAT_DCSP:
a747c9ce 2013 m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2014 break;
2015 case PCI_DEVICE_ID_SAT_SCSP:
a747c9ce 2016 m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2017 break;
2018 case PCI_DEVICE_ID_SAT_S:
a747c9ce 2019 m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
b87eab38 2020 break;
84774a4d 2021 case PCI_DEVICE_ID_HORNET:
a747c9ce 2022 m = (typeof(m)){"LP21000", "PCIe", "FCoE Adapter"};
84774a4d
JS		 2023 GE = 1;
2024 break;
2025 case PCI_DEVICE_ID_PROTEUS_VF:
a747c9ce
JS		 2026 m = (typeof(m)){"LPev12000", "PCIe IOV",
2027 "Fibre Channel Adapter"};
84774a4d
JS		 2028 break;
2029 case PCI_DEVICE_ID_PROTEUS_PF:
a747c9ce
JS		 2030 m = (typeof(m)){"LPev12000", "PCIe IOV",
2031 "Fibre Channel Adapter"};
84774a4d
JS		 2032 break;
2033 case PCI_DEVICE_ID_PROTEUS_S:
a747c9ce
JS		 2034 m = (typeof(m)){"LPemv12002-S", "PCIe IOV",
2035 "Fibre Channel Adapter"};
84774a4d 2036 break;
da0436e9
JS		 2037 case PCI_DEVICE_ID_TIGERSHARK:
2038 oneConnect = 1;
a747c9ce 2039 m = (typeof(m)){"OCe10100", "PCIe", "FCoE"};
da0436e9 2040 break;
a747c9ce 2041 case PCI_DEVICE_ID_TOMCAT:
6669f9bb 2042 oneConnect = 1;
a747c9ce
JS		 2043 m = (typeof(m)){"OCe11100", "PCIe", "FCoE"};
2044 break;
2045 case PCI_DEVICE_ID_FALCON:
2046 m = (typeof(m)){"LPSe12002-ML1-E", "PCIe",
2047 "EmulexSecure Fibre"};
6669f9bb 2048 break;
98fc5dd9
JS		 2049 case PCI_DEVICE_ID_BALIUS:
2050 m = (typeof(m)){"LPVe12002", "PCIe Shared I/O",
2051 "Fibre Channel Adapter"};
2052 break;
085c647c 2053 case PCI_DEVICE_ID_LANCER_FC:
c0c11512
JS		 2054 case PCI_DEVICE_ID_LANCER_FC_VF:
2055 m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
085c647c
JS		 2056 break;
2057 case PCI_DEVICE_ID_LANCER_FCOE:
c0c11512 2058 case PCI_DEVICE_ID_LANCER_FCOE_VF:
085c647c 2059 oneConnect = 1;
079b5c91 2060 m = (typeof(m)){"OCe15100", "PCIe", "FCoE"};
085c647c 2061 break;
f8cafd38
JS		 2062 case PCI_DEVICE_ID_SKYHAWK:
2063 case PCI_DEVICE_ID_SKYHAWK_VF:
2064 oneConnect = 1;
2065 m = (typeof(m)){"OCe14000", "PCIe", "FCoE"};
2066 break;
5cc36b3c 2067 default:
a747c9ce 2068 m = (typeof(m)){"Unknown", "", ""};
e4adb204 2069 break;
dea3101e 2070 }
74b72a59
JW		 2071
2072 if (mdp && mdp[0] == '\0')
2073 snprintf(mdp, 79,"%s", m.name);
c0c11512
JS		 2074 /*
2075 * oneConnect hba requires special processing, they are all initiators
da0436e9
JS		 2076 * and we put the port number on the end
2077 */
2078 if (descp && descp[0] == '\0') {
2079 if (oneConnect)
2080 snprintf(descp, 255,
a747c9ce
JS		 2081 "Emulex OneConnect %s, %s Initiator, Port %s",
2082 m.name, m.function,
da0436e9
JS		 2083 phba->Port);
2084 else
2085 snprintf(descp, 255,
2086 "Emulex %s %d%s %s %s",
a747c9ce
JS		 2087 m.name, max_speed, (GE) ? "GE" : "Gb",
2088 m.bus, m.function);
da0436e9 2089 }
dea3101e 2090}
2091
e59058c4 2092/**
3621a710 2093 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
e59058c4
JS		 2094 * @phba: pointer to lpfc hba data structure.
2095 * @pring: pointer to a IOCB ring.
2096 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2097 *
2098 * This routine posts a given number of IOCBs with the associated DMA buffer
2099 * descriptors specified by the cnt argument to the given IOCB ring.
2100 *
2101 * Return codes
2102 * The number of IOCBs NOT able to be posted to the IOCB ring.
2103 **/
dea3101e 2104int
495a714c 2105lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt)
dea3101e 2106{
2107 IOCB_t *icmd;
0bd4ca25 2108 struct lpfc_iocbq *iocb;
dea3101e 2109 struct lpfc_dmabuf *mp1, *mp2;
2110
2111 cnt += pring->missbufcnt;
2112
2113 /* While there are buffers to post */
2114 while (cnt > 0) {
2115 /* Allocate buffer for command iocb */
0bd4ca25 2116 iocb = lpfc_sli_get_iocbq(phba);
dea3101e 2117 if (iocb == NULL) {
2118 pring->missbufcnt = cnt;
2119 return cnt;
2120 }
dea3101e 2121 icmd = &iocb->iocb;
2122
2123 /* 2 buffers can be posted per command */
2124 /* Allocate buffer to post */
2125 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
2126 if (mp1)
98c9ea5c
JS		 2127 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
2128 if (!mp1 || !mp1->virt) {
c9475cb0 2129 kfree(mp1);
604a3e30 2130 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2131 pring->missbufcnt = cnt;
2132 return cnt;
2133 }
2134
2135 INIT_LIST_HEAD(&mp1->list);
2136 /* Allocate buffer to post */
2137 if (cnt > 1) {
2138 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
2139 if (mp2)
2140 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
2141 &mp2->phys);
98c9ea5c 2142 if (!mp2 || !mp2->virt) {
c9475cb0 2143 kfree(mp2);
dea3101e 2144 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
2145 kfree(mp1);
604a3e30 2146 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2147 pring->missbufcnt = cnt;
2148 return cnt;
2149 }
2150
2151 INIT_LIST_HEAD(&mp2->list);
2152 } else {
2153 mp2 = NULL;
2154 }
2155
2156 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
2157 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
2158 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
2159 icmd->ulpBdeCount = 1;
2160 cnt--;
2161 if (mp2) {
2162 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
2163 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
2164 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
2165 cnt--;
2166 icmd->ulpBdeCount = 2;
2167 }
2168
2169 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
2170 icmd->ulpLe = 1;
2171
3772a991
JS		 2172 if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) ==
2173 IOCB_ERROR) {
dea3101e 2174 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
2175 kfree(mp1);
2176 cnt++;
2177 if (mp2) {
2178 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
2179 kfree(mp2);
2180 cnt++;
2181 }
604a3e30 2182 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2183 pring->missbufcnt = cnt;
dea3101e 2184 return cnt;
2185 }
dea3101e 2186 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
92d7f7b0 2187 if (mp2)
dea3101e 2188 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
dea3101e 2189 }
2190 pring->missbufcnt = 0;
2191 return 0;
2192}
2193
e59058c4 2194/**
3621a710 2195 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
e59058c4
JS		 2196 * @phba: pointer to lpfc hba data structure.
2197 *
2198 * This routine posts initial receive IOCB buffers to the ELS ring. The
2199 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2200 * set to 64 IOCBs.
2201 *
2202 * Return codes
2203 * 0 - success (currently always success)
2204 **/
dea3101e 2205static int
2e0fef85 2206lpfc_post_rcv_buf(struct lpfc_hba *phba)
dea3101e 2207{
2208 struct lpfc_sli *psli = &phba->sli;
2209
2210 /* Ring 0, ELS / CT buffers */
495a714c 2211 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0);
dea3101e 2212 /* Ring 2 - FCP no buffers needed */
2213
2214 return 0;
2215}
2216
2217#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2218
e59058c4 2219/**
3621a710 2220 * lpfc_sha_init - Set up initial array of hash table entries
e59058c4
JS		 2221 * @HashResultPointer: pointer to an array as hash table.
2222 *
2223 * This routine sets up the initial values to the array of hash table entries
2224 * for the LC HBAs.
2225 **/
dea3101e 2226static void
2227lpfc_sha_init(uint32_t * HashResultPointer)
2228{
2229 HashResultPointer[0] = 0x67452301;
2230 HashResultPointer[1] = 0xEFCDAB89;
2231 HashResultPointer[2] = 0x98BADCFE;
2232 HashResultPointer[3] = 0x10325476;
2233 HashResultPointer[4] = 0xC3D2E1F0;
2234}
2235
e59058c4 2236/**
3621a710 2237 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
e59058c4
JS		 2238 * @HashResultPointer: pointer to an initial/result hash table.
2239 * @HashWorkingPointer: pointer to an working hash table.
2240 *
2241 * This routine iterates an initial hash table pointed by @HashResultPointer
2242 * with the values from the working hash table pointeed by @HashWorkingPointer.
2243 * The results are putting back to the initial hash table, returned through
2244 * the @HashResultPointer as the result hash table.
2245 **/
dea3101e 2246static void
2247lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
2248{
2249 int t;
2250 uint32_t TEMP;
2251 uint32_t A, B, C, D, E;
2252 t = 16;
2253 do {
2254 HashWorkingPointer[t] =
2255 S(1,
2256 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
2257 8] ^
2258 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
2259 } while (++t <= 79);
2260 t = 0;
2261 A = HashResultPointer[0];
2262 B = HashResultPointer[1];
2263 C = HashResultPointer[2];
2264 D = HashResultPointer[3];
2265 E = HashResultPointer[4];
2266
2267 do {
2268 if (t < 20) {
2269 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
2270 } else if (t < 40) {
2271 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
2272 } else if (t < 60) {
2273 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
2274 } else {
2275 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
2276 }
2277 TEMP += S(5, A) + E + HashWorkingPointer[t];
2278 E = D;
2279 D = C;
2280 C = S(30, B);
2281 B = A;
2282 A = TEMP;
2283 } while (++t <= 79);
2284
2285 HashResultPointer[0] += A;
2286 HashResultPointer[1] += B;
2287 HashResultPointer[2] += C;
2288 HashResultPointer[3] += D;
2289 HashResultPointer[4] += E;
2290
2291}
2292
e59058c4 2293/**
3621a710 2294 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
e59058c4
JS		 2295 * @RandomChallenge: pointer to the entry of host challenge random number array.
2296 * @HashWorking: pointer to the entry of the working hash array.
2297 *
2298 * This routine calculates the working hash array referred by @HashWorking
2299 * from the challenge random numbers associated with the host, referred by
2300 * @RandomChallenge. The result is put into the entry of the working hash
2301 * array and returned by reference through @HashWorking.
2302 **/
dea3101e 2303static void
2304lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
2305{
2306 *HashWorking = (*RandomChallenge ^ *HashWorking);
2307}
2308
e59058c4 2309/**
3621a710 2310 * lpfc_hba_init - Perform special handling for LC HBA initialization
e59058c4
JS		 2311 * @phba: pointer to lpfc hba data structure.
2312 * @hbainit: pointer to an array of unsigned 32-bit integers.
2313 *
2314 * This routine performs the special handling for LC HBA initialization.
2315 **/
dea3101e 2316void
2317lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
2318{
2319 int t;
2320 uint32_t *HashWorking;
2e0fef85 2321 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
dea3101e 2322
bbfbbbc1 2323 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
dea3101e 2324 if (!HashWorking)
2325 return;
2326
dea3101e 2327 HashWorking[0] = HashWorking[78] = *pwwnn++;
2328 HashWorking[1] = HashWorking[79] = *pwwnn;
2329
2330 for (t = 0; t < 7; t++)
2331 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
2332
2333 lpfc_sha_init(hbainit);
2334 lpfc_sha_iterate(hbainit, HashWorking);
2335 kfree(HashWorking);
2336}
2337
e59058c4 2338/**
3621a710 2339 * lpfc_cleanup - Performs vport cleanups before deleting a vport
e59058c4
JS		 2340 * @vport: pointer to a virtual N_Port data structure.
2341 *
2342 * This routine performs the necessary cleanups before deleting the @vport.
2343 * It invokes the discovery state machine to perform necessary state
2344 * transitions and to release the ndlps associated with the @vport. Note,
2345 * the physical port is treated as @vport 0.
2346 **/
87af33fe 2347void
2e0fef85 2348lpfc_cleanup(struct lpfc_vport *vport)
dea3101e 2349{
87af33fe 2350 struct lpfc_hba *phba = vport->phba;
dea3101e 2351 struct lpfc_nodelist *ndlp, *next_ndlp;
a8adb832 2352 int i = 0;
dea3101e 2353
87af33fe
JS		 2354 if (phba->link_state > LPFC_LINK_DOWN)
2355 lpfc_port_link_failure(vport);
2356
2357 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
e47c9093
JS		 2358 if (!NLP_CHK_NODE_ACT(ndlp)) {
2359 ndlp = lpfc_enable_node(vport, ndlp,
2360 NLP_STE_UNUSED_NODE);
2361 if (!ndlp)
2362 continue;
2363 spin_lock_irq(&phba->ndlp_lock);
2364 NLP_SET_FREE_REQ(ndlp);
2365 spin_unlock_irq(&phba->ndlp_lock);
2366 /* Trigger the release of the ndlp memory */
2367 lpfc_nlp_put(ndlp);
2368 continue;
2369 }
2370 spin_lock_irq(&phba->ndlp_lock);
2371 if (NLP_CHK_FREE_REQ(ndlp)) {
2372 /* The ndlp should not be in memory free mode already */
2373 spin_unlock_irq(&phba->ndlp_lock);
2374 continue;
2375 } else
2376 /* Indicate request for freeing ndlp memory */
2377 NLP_SET_FREE_REQ(ndlp);
2378 spin_unlock_irq(&phba->ndlp_lock);
2379
58da1ffb
JS		 2380 if (vport->port_type != LPFC_PHYSICAL_PORT &&
2381 ndlp->nlp_DID == Fabric_DID) {
2382 /* Just free up ndlp with Fabric_DID for vports */
2383 lpfc_nlp_put(ndlp);
2384 continue;
2385 }
2386
eff4a01b
JS		 2387 /* take care of nodes in unused state before the state
2388 * machine taking action.
2389 */
2390 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
2391 lpfc_nlp_put(ndlp);
2392 continue;
2393 }
2394
87af33fe
JS		 2395 if (ndlp->nlp_type & NLP_FABRIC)
2396 lpfc_disc_state_machine(vport, ndlp, NULL,
2397 NLP_EVT_DEVICE_RECOVERY);
e47c9093 2398
87af33fe
JS		 2399 lpfc_disc_state_machine(vport, ndlp, NULL,
2400 NLP_EVT_DEVICE_RM);
2401 }
2402
a8adb832
JS		 2403 /* At this point, ALL ndlp's should be gone
2404 * because of the previous NLP_EVT_DEVICE_RM.
2405 * Lets wait for this to happen, if needed.
2406 */
87af33fe 2407 while (!list_empty(&vport->fc_nodes)) {
a8adb832 2408 if (i++ > 3000) {
87af33fe 2409 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
a8adb832 2410 "0233 Nodelist not empty\n");
e47c9093
JS		 2411 list_for_each_entry_safe(ndlp, next_ndlp,
2412 &vport->fc_nodes, nlp_listp) {
2413 lpfc_printf_vlog(ndlp->vport, KERN_ERR,
2414 LOG_NODE,
d7c255b2 2415 "0282 did:x%x ndlp:x%p "
e47c9093
JS		 2416 "usgmap:x%x refcnt:%d\n",
2417 ndlp->nlp_DID, (void *)ndlp,
2418 ndlp->nlp_usg_map,
2419 atomic_read(
2420 &ndlp->kref.refcount));
2421 }
a8adb832 2422 break;
87af33fe 2423 }
a8adb832
JS		 2424
2425 /* Wait for any activity on ndlps to settle */
2426 msleep(10);
87af33fe 2427 }
1151e3ec 2428 lpfc_cleanup_vports_rrqs(vport, NULL);
dea3101e 2429}
2430
e59058c4 2431/**
3621a710 2432 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
e59058c4
JS		 2433 * @vport: pointer to a virtual N_Port data structure.
2434 *
2435 * This routine stops all the timers associated with a @vport. This function
2436 * is invoked before disabling or deleting a @vport. Note that the physical
2437 * port is treated as @vport 0.
2438 **/
92d7f7b0
JS		 2439void
2440lpfc_stop_vport_timers(struct lpfc_vport *vport)
dea3101e 2441{
92d7f7b0
JS		 2442 del_timer_sync(&vport->els_tmofunc);
2443 del_timer_sync(&vport->fc_fdmitmo);
92494144 2444 del_timer_sync(&vport->delayed_disc_tmo);
92d7f7b0
JS		 2445 lpfc_can_disctmo(vport);
2446 return;
dea3101e 2447}
2448
ecfd03c6
JS		 2449/**
2450 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2451 * @phba: pointer to lpfc hba data structure.
2452 *
2453 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2454 * caller of this routine should already hold the host lock.
2455 **/
2456void
2457__lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
2458{
5ac6b303
JS		 2459 /* Clear pending FCF rediscovery wait flag */
2460 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
2461
ecfd03c6
JS		 2462 /* Now, try to stop the timer */
2463 del_timer(&phba->fcf.redisc_wait);
2464}
2465
2466/**
2467 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2468 * @phba: pointer to lpfc hba data structure.
2469 *
2470 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2471 * checks whether the FCF rediscovery wait timer is pending with the host
2472 * lock held before proceeding with disabling the timer and clearing the
2473 * wait timer pendig flag.
2474 **/
2475void
2476lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
2477{
2478 spin_lock_irq(&phba->hbalock);
2479 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
2480 /* FCF rediscovery timer already fired or stopped */
2481 spin_unlock_irq(&phba->hbalock);
2482 return;
2483 }
2484 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
5ac6b303
JS		 2485 /* Clear failover in progress flags */
2486 phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC);
ecfd03c6
JS		 2487 spin_unlock_irq(&phba->hbalock);
2488}
2489
e59058c4 2490/**
3772a991 2491 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
e59058c4
JS		 2492 * @phba: pointer to lpfc hba data structure.
2493 *
2494 * This routine stops all the timers associated with a HBA. This function is
2495 * invoked before either putting a HBA offline or unloading the driver.
2496 **/
3772a991
JS		 2497void
2498lpfc_stop_hba_timers(struct lpfc_hba *phba)
dea3101e 2499{
51ef4c26 2500 lpfc_stop_vport_timers(phba->pport);
2e0fef85 2501 del_timer_sync(&phba->sli.mbox_tmo);
92d7f7b0 2502 del_timer_sync(&phba->fabric_block_timer);
9399627f 2503 del_timer_sync(&phba->eratt_poll);
3772a991 2504 del_timer_sync(&phba->hb_tmofunc);
1151e3ec
JS		 2505 if (phba->sli_rev == LPFC_SLI_REV4) {
2506 del_timer_sync(&phba->rrq_tmr);
2507 phba->hba_flag &= ~HBA_RRQ_ACTIVE;
2508 }
3772a991
JS		 2509 phba->hb_outstanding = 0;
2510
2511 switch (phba->pci_dev_grp) {
2512 case LPFC_PCI_DEV_LP:
2513 /* Stop any LightPulse device specific driver timers */
2514 del_timer_sync(&phba->fcp_poll_timer);
2515 break;
2516 case LPFC_PCI_DEV_OC:
2517 /* Stop any OneConnect device sepcific driver timers */
ecfd03c6 2518 lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
3772a991
JS		 2519 break;
2520 default:
2521 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2522 "0297 Invalid device group (x%x)\n",
2523 phba->pci_dev_grp);
2524 break;
2525 }
2e0fef85 2526 return;
dea3101e 2527}
2528
e59058c4 2529/**
3621a710 2530 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
e59058c4
JS		 2531 * @phba: pointer to lpfc hba data structure.
2532 *
2533 * This routine marks a HBA's management interface as blocked. Once the HBA's
2534 * management interface is marked as blocked, all the user space access to
2535 * the HBA, whether they are from sysfs interface or libdfc interface will
2536 * all be blocked. The HBA is set to block the management interface when the
2537 * driver prepares the HBA interface for online or offline.
2538 **/
a6ababd2 2539static void
618a5230 2540lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action)
a6ababd2
AB		 2541{
2542 unsigned long iflag;
6e7288d9
JS		 2543 uint8_t actcmd = MBX_HEARTBEAT;
2544 unsigned long timeout;
2545
a6ababd2
AB		 2546 spin_lock_irqsave(&phba->hbalock, iflag);
2547 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
618a5230
JS		 2548 spin_unlock_irqrestore(&phba->hbalock, iflag);
2549 if (mbx_action == LPFC_MBX_NO_WAIT)
2550 return;
2551 timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies;
2552 spin_lock_irqsave(&phba->hbalock, iflag);
a183a15f 2553 if (phba->sli.mbox_active) {
6e7288d9 2554 actcmd = phba->sli.mbox_active->u.mb.mbxCommand;
a183a15f
JS		 2555 /* Determine how long we might wait for the active mailbox
2556 * command to be gracefully completed by firmware.
2557 */
2558 timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba,
2559 phba->sli.mbox_active) * 1000) + jiffies;
2560 }
a6ababd2 2561 spin_unlock_irqrestore(&phba->hbalock, iflag);
a183a15f 2562
6e7288d9
JS		 2563 /* Wait for the outstnading mailbox command to complete */
2564 while (phba->sli.mbox_active) {
2565 /* Check active mailbox complete status every 2ms */
2566 msleep(2);
2567 if (time_after(jiffies, timeout)) {
2568 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2569 "2813 Mgmt IO is Blocked %x "
2570 "- mbox cmd %x still active\n",
2571 phba->sli.sli_flag, actcmd);
2572 break;
2573 }
2574 }
a6ababd2
AB		 2575}
2576
6b5151fd
JS		 2577/**
2578 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2579 * @phba: pointer to lpfc hba data structure.
2580 *
2581 * Allocate RPIs for all active remote nodes. This is needed whenever
2582 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2583 * is to fixup the temporary rpi assignments.
2584 **/
2585void
2586lpfc_sli4_node_prep(struct lpfc_hba *phba)
2587{
2588 struct lpfc_nodelist *ndlp, *next_ndlp;
2589 struct lpfc_vport **vports;
2590 int i;
2591
2592 if (phba->sli_rev != LPFC_SLI_REV4)
2593 return;
2594
2595 vports = lpfc_create_vport_work_array(phba);
2596 if (vports != NULL) {
2597 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2598 if (vports[i]->load_flag & FC_UNLOADING)
2599 continue;
2600
2601 list_for_each_entry_safe(ndlp, next_ndlp,
2602 &vports[i]->fc_nodes,
2603 nlp_listp) {
2604 if (NLP_CHK_NODE_ACT(ndlp))
2605 ndlp->nlp_rpi =
2606 lpfc_sli4_alloc_rpi(phba);
2607 }
2608 }
2609 }
2610 lpfc_destroy_vport_work_array(phba, vports);
2611}
2612
e59058c4 2613/**
3621a710 2614 * lpfc_online - Initialize and bring a HBA online
e59058c4
JS		 2615 * @phba: pointer to lpfc hba data structure.
2616 *
2617 * This routine initializes the HBA and brings a HBA online. During this
2618 * process, the management interface is blocked to prevent user space access
2619 * to the HBA interfering with the driver initialization.
2620 *
2621 * Return codes
2622 * 0 - successful
2623 * 1 - failed
2624 **/
dea3101e 2625int
2e0fef85 2626lpfc_online(struct lpfc_hba *phba)
dea3101e 2627{
372bd282 2628 struct lpfc_vport *vport;
549e55cd
JS		 2629 struct lpfc_vport **vports;
2630 int i;
2e0fef85 2631
dea3101e 2632 if (!phba)
2633 return 0;
372bd282 2634 vport = phba->pport;
dea3101e 2635
2e0fef85 2636 if (!(vport->fc_flag & FC_OFFLINE_MODE))
dea3101e 2637 return 0;
2638
ed957684 2639 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 2640 "0458 Bring Adapter online\n");
dea3101e 2641
618a5230 2642 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
46fa311e
JS		 2643
2644 if (!lpfc_sli_queue_setup(phba)) {
2645 lpfc_unblock_mgmt_io(phba);
dea3101e 2646 return 1;
46fa311e 2647 }
dea3101e 2648
da0436e9
JS		 2649 if (phba->sli_rev == LPFC_SLI_REV4) {
2650 if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */
2651 lpfc_unblock_mgmt_io(phba);
2652 return 1;
2653 }
2654 } else {
2655 if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */
2656 lpfc_unblock_mgmt_io(phba);
2657 return 1;
2658 }
46fa311e 2659 }
dea3101e 2660
549e55cd
JS		 2661 vports = lpfc_create_vport_work_array(phba);
2662 if (vports != NULL)
da0436e9 2663 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
549e55cd
JS		 2664 struct Scsi_Host *shost;
2665 shost = lpfc_shost_from_vport(vports[i]);
2666 spin_lock_irq(shost->host_lock);
2667 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
2668 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
2669 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1c6834a7
JS		 2670 if (phba->sli_rev == LPFC_SLI_REV4)
2671 vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
549e55cd
JS		 2672 spin_unlock_irq(shost->host_lock);
2673 }
09372820 2674 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2675
46fa311e 2676 lpfc_unblock_mgmt_io(phba);
dea3101e 2677 return 0;
2678}
2679
e59058c4 2680/**
3621a710 2681 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
e59058c4
JS		 2682 * @phba: pointer to lpfc hba data structure.
2683 *
2684 * This routine marks a HBA's management interface as not blocked. Once the
2685 * HBA's management interface is marked as not blocked, all the user space
2686 * access to the HBA, whether they are from sysfs interface or libdfc
2687 * interface will be allowed. The HBA is set to block the management interface
2688 * when the driver prepares the HBA interface for online or offline and then
2689 * set to unblock the management interface afterwards.
2690 **/
46fa311e
JS		 2691void
2692lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
2693{
2694 unsigned long iflag;
2695
2e0fef85
JS		 2696 spin_lock_irqsave(&phba->hbalock, iflag);
2697 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
2698 spin_unlock_irqrestore(&phba->hbalock, iflag);
46fa311e
JS		 2699}
2700
e59058c4 2701/**
3621a710 2702 * lpfc_offline_prep - Prepare a HBA to be brought offline
e59058c4
JS		 2703 * @phba: pointer to lpfc hba data structure.
2704 *
2705 * This routine is invoked to prepare a HBA to be brought offline. It performs
2706 * unregistration login to all the nodes on all vports and flushes the mailbox
2707 * queue to make it ready to be brought offline.
2708 **/
46fa311e 2709void
618a5230 2710lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action)
46fa311e 2711{
2e0fef85 2712 struct lpfc_vport *vport = phba->pport;
46fa311e 2713 struct lpfc_nodelist *ndlp, *next_ndlp;
87af33fe 2714 struct lpfc_vport **vports;
72100cc4 2715 struct Scsi_Host *shost;
87af33fe 2716 int i;
dea3101e 2717
2e0fef85 2718 if (vport->fc_flag & FC_OFFLINE_MODE)
46fa311e 2719 return;
dea3101e 2720
618a5230 2721 lpfc_block_mgmt_io(phba, mbx_action);
dea3101e 2722
2723 lpfc_linkdown(phba);
2724
87af33fe
JS		 2725 /* Issue an unreg_login to all nodes on all vports */
2726 vports = lpfc_create_vport_work_array(phba);
2727 if (vports != NULL) {
da0436e9 2728 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
a8adb832
JS		 2729 if (vports[i]->load_flag & FC_UNLOADING)
2730 continue;
72100cc4
JS		 2731 shost = lpfc_shost_from_vport(vports[i]);
2732 spin_lock_irq(shost->host_lock);
c868595d 2733 vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED;
695a814e
JS		 2734 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
2735 vports[i]->fc_flag &= ~FC_VFI_REGISTERED;
72100cc4 2736 spin_unlock_irq(shost->host_lock);
695a814e 2737
87af33fe
JS		 2738 shost = lpfc_shost_from_vport(vports[i]);
2739 list_for_each_entry_safe(ndlp, next_ndlp,
2740 &vports[i]->fc_nodes,
2741 nlp_listp) {
e47c9093
JS		 2742 if (!NLP_CHK_NODE_ACT(ndlp))
2743 continue;
87af33fe
JS		 2744 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
2745 continue;
2746 if (ndlp->nlp_type & NLP_FABRIC) {
2747 lpfc_disc_state_machine(vports[i], ndlp,
2748 NULL, NLP_EVT_DEVICE_RECOVERY);
2749 lpfc_disc_state_machine(vports[i], ndlp,
2750 NULL, NLP_EVT_DEVICE_RM);
2751 }
2752 spin_lock_irq(shost->host_lock);
2753 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
401ee0c1 2754 spin_unlock_irq(shost->host_lock);
6b5151fd
JS		 2755 /*
2756 * Whenever an SLI4 port goes offline, free the
401ee0c1
JS		 2757 * RPI. Get a new RPI when the adapter port
2758 * comes back online.
6b5151fd
JS		 2759 */
2760 if (phba->sli_rev == LPFC_SLI_REV4)
2761 lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi);
87af33fe
JS		 2762 lpfc_unreg_rpi(vports[i], ndlp);
2763 }
2764 }
2765 }
09372820 2766 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2767
618a5230 2768 lpfc_sli_mbox_sys_shutdown(phba, mbx_action);
46fa311e
JS		 2769}
2770
e59058c4 2771/**
3621a710 2772 * lpfc_offline - Bring a HBA offline
e59058c4
JS		 2773 * @phba: pointer to lpfc hba data structure.
2774 *
2775 * This routine actually brings a HBA offline. It stops all the timers
2776 * associated with the HBA, brings down the SLI layer, and eventually
2777 * marks the HBA as in offline state for the upper layer protocol.
2778 **/
46fa311e 2779void
2e0fef85 2780lpfc_offline(struct lpfc_hba *phba)
46fa311e 2781{
549e55cd
JS		 2782 struct Scsi_Host *shost;
2783 struct lpfc_vport **vports;
2784 int i;
46fa311e 2785
549e55cd 2786 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
46fa311e 2787 return;
688a8863 2788
da0436e9
JS		 2789 /* stop port and all timers associated with this hba */
2790 lpfc_stop_port(phba);
51ef4c26
JS		 2791 vports = lpfc_create_vport_work_array(phba);
2792 if (vports != NULL)
da0436e9 2793 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
51ef4c26 2794 lpfc_stop_vport_timers(vports[i]);
09372820 2795 lpfc_destroy_vport_work_array(phba, vports);
92d7f7b0 2796 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 2797 "0460 Bring Adapter offline\n");
dea3101e 2798 /* Bring down the SLI Layer and cleanup. The HBA is offline
2799 now. */
2800 lpfc_sli_hba_down(phba);
92d7f7b0 2801 spin_lock_irq(&phba->hbalock);
7054a606 2802 phba->work_ha = 0;
92d7f7b0 2803 spin_unlock_irq(&phba->hbalock);
549e55cd
JS		 2804 vports = lpfc_create_vport_work_array(phba);
2805 if (vports != NULL)
da0436e9 2806 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
549e55cd 2807 shost = lpfc_shost_from_vport(vports[i]);
549e55cd
JS		 2808 spin_lock_irq(shost->host_lock);
2809 vports[i]->work_port_events = 0;
2810 vports[i]->fc_flag |= FC_OFFLINE_MODE;
2811 spin_unlock_irq(shost->host_lock);
2812 }
09372820 2813 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2814}
2815
e59058c4 2816/**
3621a710 2817 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
e59058c4
JS		 2818 * @phba: pointer to lpfc hba data structure.
2819 *
2820 * This routine is to free all the SCSI buffers and IOCBs from the driver
2821 * list back to kernel. It is called from lpfc_pci_remove_one to free
2822 * the internal resources before the device is removed from the system.
e59058c4 2823 **/
8a9d2e80 2824static void
2e0fef85 2825lpfc_scsi_free(struct lpfc_hba *phba)
dea3101e 2826{
2827 struct lpfc_scsi_buf *sb, *sb_next;
2828 struct lpfc_iocbq *io, *io_next;
2829
2e0fef85 2830 spin_lock_irq(&phba->hbalock);
dea3101e 2831 /* Release all the lpfc_scsi_bufs maintained by this host. */
1c6f4ef5 2832 spin_lock(&phba->scsi_buf_list_lock);
dea3101e 2833 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
2834 list_del(&sb->list);
2835 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
92d7f7b0 2836 sb->dma_handle);
dea3101e 2837 kfree(sb);
2838 phba->total_scsi_bufs--;
2839 }
1c6f4ef5 2840 spin_unlock(&phba->scsi_buf_list_lock);
dea3101e 2841
2842 /* Release all the lpfc_iocbq entries maintained by this host. */
2843 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
2844 list_del(&io->list);
2845 kfree(io);
2846 phba->total_iocbq_bufs--;
2847 }
6d368e53 2848
2e0fef85 2849 spin_unlock_irq(&phba->hbalock);
8a9d2e80
JS		 2850}
2851
2852/**
2853 * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping
2854 * @phba: pointer to lpfc hba data structure.
2855 *
2856 * This routine first calculates the sizes of the current els and allocated
2857 * scsi sgl lists, and then goes through all sgls to updates the physical
2858 * XRIs assigned due to port function reset. During port initialization, the
2859 * current els and allocated scsi sgl lists are 0s.
2860 *
2861 * Return codes
2862 * 0 - successful (for now, it always returns 0)
2863 **/
2864int
2865lpfc_sli4_xri_sgl_update(struct lpfc_hba *phba)
2866{
2867 struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL;
2868 struct lpfc_scsi_buf *psb = NULL, *psb_next = NULL;
2869 uint16_t i, lxri, xri_cnt, els_xri_cnt, scsi_xri_cnt;
2870 LIST_HEAD(els_sgl_list);
2871 LIST_HEAD(scsi_sgl_list);
2872 int rc;
2873
2874 /*
2875 * update on pci function's els xri-sgl list
2876 */
2877 els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
2878 if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) {
2879 /* els xri-sgl expanded */
2880 xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt;
2881 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2882 "3157 ELS xri-sgl count increased from "
2883 "%d to %d\n", phba->sli4_hba.els_xri_cnt,
2884 els_xri_cnt);
2885 /* allocate the additional els sgls */
2886 for (i = 0; i < xri_cnt; i++) {
2887 sglq_entry = kzalloc(sizeof(struct lpfc_sglq),
2888 GFP_KERNEL);
2889 if (sglq_entry == NULL) {
2890 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2891 "2562 Failure to allocate an "
2892 "ELS sgl entry:%d\n", i);
2893 rc = -ENOMEM;
2894 goto out_free_mem;
2895 }
2896 sglq_entry->buff_type = GEN_BUFF_TYPE;
2897 sglq_entry->virt = lpfc_mbuf_alloc(phba, 0,
2898 &sglq_entry->phys);
2899 if (sglq_entry->virt == NULL) {
2900 kfree(sglq_entry);
2901 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2902 "2563 Failure to allocate an "
2903 "ELS mbuf:%d\n", i);
2904 rc = -ENOMEM;
2905 goto out_free_mem;
2906 }
2907 sglq_entry->sgl = sglq_entry->virt;
2908 memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE);
2909 sglq_entry->state = SGL_FREED;
2910 list_add_tail(&sglq_entry->list, &els_sgl_list);
2911 }
2912 spin_lock(&phba->hbalock);
2913 list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
2914 spin_unlock(&phba->hbalock);
2915 } else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) {
2916 /* els xri-sgl shrinked */
2917 xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt;
2918 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2919 "3158 ELS xri-sgl count decreased from "
2920 "%d to %d\n", phba->sli4_hba.els_xri_cnt,
2921 els_xri_cnt);
2922 spin_lock_irq(&phba->hbalock);
2923 list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &els_sgl_list);
2924 spin_unlock_irq(&phba->hbalock);
2925 /* release extra els sgls from list */
2926 for (i = 0; i < xri_cnt; i++) {
2927 list_remove_head(&els_sgl_list,
2928 sglq_entry, struct lpfc_sglq, list);
2929 if (sglq_entry) {
2930 lpfc_mbuf_free(phba, sglq_entry->virt,
2931 sglq_entry->phys);
2932 kfree(sglq_entry);
2933 }
2934 }
2935 spin_lock_irq(&phba->hbalock);
2936 list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
2937 spin_unlock_irq(&phba->hbalock);
2938 } else
2939 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2940 "3163 ELS xri-sgl count unchanged: %d\n",
2941 els_xri_cnt);
2942 phba->sli4_hba.els_xri_cnt = els_xri_cnt;
2943
2944 /* update xris to els sgls on the list */
2945 sglq_entry = NULL;
2946 sglq_entry_next = NULL;
2947 list_for_each_entry_safe(sglq_entry, sglq_entry_next,
2948 &phba->sli4_hba.lpfc_sgl_list, list) {
2949 lxri = lpfc_sli4_next_xritag(phba);
2950 if (lxri == NO_XRI) {
2951 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2952 "2400 Failed to allocate xri for "
2953 "ELS sgl\n");
2954 rc = -ENOMEM;
2955 goto out_free_mem;
2956 }
2957 sglq_entry->sli4_lxritag = lxri;
2958 sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri];
2959 }
2960
2961 /*
2962 * update on pci function's allocated scsi xri-sgl list
2963 */
2964 phba->total_scsi_bufs = 0;
2965
2966 /* maximum number of xris available for scsi buffers */
2967 phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri -
2968 els_xri_cnt;
2969
2970 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2971 "2401 Current allocated SCSI xri-sgl count:%d, "
2972 "maximum SCSI xri count:%d\n",
2973 phba->sli4_hba.scsi_xri_cnt,
2974 phba->sli4_hba.scsi_xri_max);
2975
2976 spin_lock_irq(&phba->scsi_buf_list_lock);
2977 list_splice_init(&phba->lpfc_scsi_buf_list, &scsi_sgl_list);
2978 spin_unlock_irq(&phba->scsi_buf_list_lock);
2979
2980 if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) {
2981 /* max scsi xri shrinked below the allocated scsi buffers */
2982 scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt -
2983 phba->sli4_hba.scsi_xri_max;
2984 /* release the extra allocated scsi buffers */
2985 for (i = 0; i < scsi_xri_cnt; i++) {
2986 list_remove_head(&scsi_sgl_list, psb,
2987 struct lpfc_scsi_buf, list);
2988 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, psb->data,
2989 psb->dma_handle);
2990 kfree(psb);
2991 }
2992 spin_lock_irq(&phba->scsi_buf_list_lock);
2993 phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt;
2994 spin_unlock_irq(&phba->scsi_buf_list_lock);
2995 }
2996
2997 /* update xris associated to remaining allocated scsi buffers */
2998 psb = NULL;
2999 psb_next = NULL;
3000 list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) {
3001 lxri = lpfc_sli4_next_xritag(phba);
3002 if (lxri == NO_XRI) {
3003 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3004 "2560 Failed to allocate xri for "
3005 "scsi buffer\n");
3006 rc = -ENOMEM;
3007 goto out_free_mem;
3008 }
3009 psb->cur_iocbq.sli4_lxritag = lxri;
3010 psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri];
3011 }
3012 spin_lock(&phba->scsi_buf_list_lock);
3013 list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list);
3014 spin_unlock(&phba->scsi_buf_list_lock);
3015
dea3101e 3016 return 0;
8a9d2e80
JS		 3017
3018out_free_mem:
3019 lpfc_free_els_sgl_list(phba);
3020 lpfc_scsi_free(phba);
3021 return rc;
dea3101e 3022}
3023
e59058c4 3024/**
3621a710 3025 * lpfc_create_port - Create an FC port
e59058c4
JS		 3026 * @phba: pointer to lpfc hba data structure.
3027 * @instance: a unique integer ID to this FC port.
3028 * @dev: pointer to the device data structure.
3029 *
3030 * This routine creates a FC port for the upper layer protocol. The FC port
3031 * can be created on top of either a physical port or a virtual port provided
3032 * by the HBA. This routine also allocates a SCSI host data structure (shost)
3033 * and associates the FC port created before adding the shost into the SCSI
3034 * layer.
3035 *
3036 * Return codes
3037 * @vport - pointer to the virtual N_Port data structure.
3038 * NULL - port create failed.
3039 **/
2e0fef85 3040struct lpfc_vport *
3de2a653 3041lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
47a8617c 3042{
2e0fef85
JS		 3043 struct lpfc_vport *vport;
3044 struct Scsi_Host *shost;
3045 int error = 0;
47a8617c 3046
3de2a653
JS		 3047 if (dev != &phba->pcidev->dev)
3048 shost = scsi_host_alloc(&lpfc_vport_template,
3049 sizeof(struct lpfc_vport));
3050 else
3051 shost = scsi_host_alloc(&lpfc_template,
3052 sizeof(struct lpfc_vport));
2e0fef85
JS		 3053 if (!shost)
3054 goto out;
47a8617c 3055
2e0fef85
JS		 3056 vport = (struct lpfc_vport *) shost->hostdata;
3057 vport->phba = phba;
2e0fef85 3058 vport->load_flag |= FC_LOADING;
92d7f7b0 3059 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
7f5f3d0d 3060 vport->fc_rscn_flush = 0;
47a8617c 3061
3de2a653 3062 lpfc_get_vport_cfgparam(vport);
2e0fef85
JS		 3063 shost->unique_id = instance;
3064 shost->max_id = LPFC_MAX_TARGET;
3de2a653 3065 shost->max_lun = vport->cfg_max_luns;
2e0fef85
JS		 3066 shost->this_id = -1;
3067 shost->max_cmd_len = 16;
da0436e9 3068 if (phba->sli_rev == LPFC_SLI_REV4) {
28baac74 3069 shost->dma_boundary =
cb5172ea 3070 phba->sli4_hba.pc_sli4_params.sge_supp_len-1;
da0436e9
JS		 3071 shost->sg_tablesize = phba->cfg_sg_seg_cnt;
3072 }
81301a9b 3073
47a8617c 3074 /*
2e0fef85
JS		 3075 * Set initial can_queue value since 0 is no longer supported and
3076 * scsi_add_host will fail. This will be adjusted later based on the
3077 * max xri value determined in hba setup.
47a8617c 3078 */
2e0fef85 3079 shost->can_queue = phba->cfg_hba_queue_depth - 10;
3de2a653 3080 if (dev != &phba->pcidev->dev) {
92d7f7b0
JS		 3081 shost->transportt = lpfc_vport_transport_template;
3082 vport->port_type = LPFC_NPIV_PORT;
3083 } else {
3084 shost->transportt = lpfc_transport_template;
3085 vport->port_type = LPFC_PHYSICAL_PORT;
3086 }
47a8617c 3087
2e0fef85
JS		 3088 /* Initialize all internally managed lists. */
3089 INIT_LIST_HEAD(&vport->fc_nodes);
da0436e9 3090 INIT_LIST_HEAD(&vport->rcv_buffer_list);
2e0fef85 3091 spin_lock_init(&vport->work_port_lock);
47a8617c 3092
2e0fef85
JS		 3093 init_timer(&vport->fc_disctmo);
3094 vport->fc_disctmo.function = lpfc_disc_timeout;
92d7f7b0 3095 vport->fc_disctmo.data = (unsigned long)vport;
47a8617c 3096
2e0fef85
JS		 3097 init_timer(&vport->fc_fdmitmo);
3098 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
92d7f7b0 3099 vport->fc_fdmitmo.data = (unsigned long)vport;
47a8617c 3100
2e0fef85
JS		 3101 init_timer(&vport->els_tmofunc);
3102 vport->els_tmofunc.function = lpfc_els_timeout;
92d7f7b0 3103 vport->els_tmofunc.data = (unsigned long)vport;
92494144
JS		 3104
3105 init_timer(&vport->delayed_disc_tmo);
3106 vport->delayed_disc_tmo.function = lpfc_delayed_disc_tmo;
3107 vport->delayed_disc_tmo.data = (unsigned long)vport;
3108
d139b9bd 3109 error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
2e0fef85
JS		 3110 if (error)
3111 goto out_put_shost;
47a8617c 3112
549e55cd 3113 spin_lock_irq(&phba->hbalock);
2e0fef85 3114 list_add_tail(&vport->listentry, &phba->port_list);
549e55cd 3115 spin_unlock_irq(&phba->hbalock);
2e0fef85 3116 return vport;
47a8617c 3117
2e0fef85
JS		 3118out_put_shost:
3119 scsi_host_put(shost);
3120out:
3121 return NULL;
47a8617c
JS		 3122}
3123
e59058c4 3124/**
3621a710 3125 * destroy_port - destroy an FC port
e59058c4
JS		 3126 * @vport: pointer to an lpfc virtual N_Port data structure.
3127 *
3128 * This routine destroys a FC port from the upper layer protocol. All the
3129 * resources associated with the port are released.
3130 **/
2e0fef85
JS		 3131void
3132destroy_port(struct lpfc_vport *vport)
47a8617c 3133{
92d7f7b0
JS		 3134 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3135 struct lpfc_hba *phba = vport->phba;
47a8617c 3136
858c9f6c 3137 lpfc_debugfs_terminate(vport);
92d7f7b0
JS		 3138 fc_remove_host(shost);
3139 scsi_remove_host(shost);
47a8617c 3140
92d7f7b0
JS		 3141 spin_lock_irq(&phba->hbalock);
3142 list_del_init(&vport->listentry);
3143 spin_unlock_irq(&phba->hbalock);
47a8617c 3144
92d7f7b0 3145 lpfc_cleanup(vport);
47a8617c 3146 return;
47a8617c
JS		 3147}
3148
e59058c4 3149/**
3621a710 3150 * lpfc_get_instance - Get a unique integer ID
e59058c4
JS		 3151 *
3152 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
3153 * uses the kernel idr facility to perform the task.
3154 *
3155 * Return codes:
3156 * instance - a unique integer ID allocated as the new instance.
3157 * -1 - lpfc get instance failed.
3158 **/
92d7f7b0
JS		 3159int
3160lpfc_get_instance(void)
3161{
3162 int instance = 0;
47a8617c 3163
92d7f7b0
JS		 3164 /* Assign an unused number */
3165 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
3166 return -1;
3167 if (idr_get_new(&lpfc_hba_index, NULL, &instance))
3168 return -1;
3169 return instance;
47a8617c
JS		 3170}
3171
e59058c4 3172/**
3621a710 3173 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
e59058c4
JS		 3174 * @shost: pointer to SCSI host data structure.
3175 * @time: elapsed time of the scan in jiffies.
3176 *
3177 * This routine is called by the SCSI layer with a SCSI host to determine
3178 * whether the scan host is finished.
3179 *
3180 * Note: there is no scan_start function as adapter initialization will have
3181 * asynchronously kicked off the link initialization.
3182 *
3183 * Return codes
3184 * 0 - SCSI host scan is not over yet.
3185 * 1 - SCSI host scan is over.
3186 **/
47a8617c
JS		 3187int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
3188{
2e0fef85
JS		 3189 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3190 struct lpfc_hba *phba = vport->phba;
858c9f6c 3191 int stat = 0;
47a8617c 3192
858c9f6c
JS		 3193 spin_lock_irq(shost->host_lock);
3194
51ef4c26 3195 if (vport->load_flag & FC_UNLOADING) {
858c9f6c
JS		 3196 stat = 1;
3197 goto finished;
3198 }
2e0fef85
JS		 3199 if (time >= 30 * HZ) {
3200 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 3201 "0461 Scanning longer than 30 "
3202 "seconds. Continuing initialization\n");
858c9f6c 3203 stat = 1;
47a8617c 3204 goto finished;
2e0fef85
JS		 3205 }
3206 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
3207 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 3208 "0465 Link down longer than 15 "
3209 "seconds. Continuing initialization\n");
858c9f6c 3210 stat = 1;
47a8617c 3211 goto finished;
2e0fef85 3212 }
47a8617c 3213
2e0fef85 3214 if (vport->port_state != LPFC_VPORT_READY)
858c9f6c 3215 goto finished;
2e0fef85 3216 if (vport->num_disc_nodes || vport->fc_prli_sent)
858c9f6c 3217 goto finished;
2e0fef85 3218 if (vport->fc_map_cnt == 0 && time < 2 * HZ)
858c9f6c 3219 goto finished;
2e0fef85 3220 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
858c9f6c
JS		 3221 goto finished;
3222
3223 stat = 1;
47a8617c
JS		 3224
3225finished:
858c9f6c
JS		 3226 spin_unlock_irq(shost->host_lock);
3227 return stat;
92d7f7b0 3228}
47a8617c 3229
e59058c4 3230/**
3621a710 3231 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
e59058c4
JS		 3232 * @shost: pointer to SCSI host data structure.
3233 *
3234 * This routine initializes a given SCSI host attributes on a FC port. The
3235 * SCSI host can be either on top of a physical port or a virtual port.
3236 **/
92d7f7b0
JS		 3237void lpfc_host_attrib_init(struct Scsi_Host *shost)
3238{
3239 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3240 struct lpfc_hba *phba = vport->phba;
47a8617c 3241 /*
2e0fef85 3242 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
47a8617c
JS		 3243 */
3244
2e0fef85
JS		 3245 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
3246 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
47a8617c
JS		 3247 fc_host_supported_classes(shost) = FC_COS_CLASS3;
3248
3249 memset(fc_host_supported_fc4s(shost), 0,
2e0fef85 3250 sizeof(fc_host_supported_fc4s(shost)));
47a8617c
JS		 3251 fc_host_supported_fc4s(shost)[2] = 1;
3252 fc_host_supported_fc4s(shost)[7] = 1;
3253
92d7f7b0
JS		 3254 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
3255 sizeof fc_host_symbolic_name(shost));
47a8617c
JS		 3256
3257 fc_host_supported_speeds(shost) = 0;
88a2cfbb
JS		 3258 if (phba->lmt & LMT_16Gb)
3259 fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT;
47a8617c
JS		 3260 if (phba->lmt & LMT_10Gb)
3261 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
a8adb832
JS		 3262 if (phba->lmt & LMT_8Gb)
3263 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
47a8617c
JS		 3264 if (phba->lmt & LMT_4Gb)
3265 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
3266 if (phba->lmt & LMT_2Gb)
3267 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
3268 if (phba->lmt & LMT_1Gb)
3269 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
3270
3271 fc_host_maxframe_size(shost) =
2e0fef85
JS		 3272 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
3273 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
47a8617c 3274
0af5d708
MC		 3275 fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo;
3276
47a8617c
JS		 3277 /* This value is also unchanging */
3278 memset(fc_host_active_fc4s(shost), 0,
2e0fef85 3279 sizeof(fc_host_active_fc4s(shost)));
47a8617c
JS		 3280 fc_host_active_fc4s(shost)[2] = 1;
3281 fc_host_active_fc4s(shost)[7] = 1;
3282
92d7f7b0 3283 fc_host_max_npiv_vports(shost) = phba->max_vpi;
47a8617c 3284 spin_lock_irq(shost->host_lock);
51ef4c26 3285 vport->load_flag &= ~FC_LOADING;
47a8617c 3286 spin_unlock_irq(shost->host_lock);
47a8617c 3287}
dea3101e 3288
e59058c4 3289/**
da0436e9 3290 * lpfc_stop_port_s3 - Stop SLI3 device port
e59058c4
JS		 3291 * @phba: pointer to lpfc hba data structure.
3292 *
da0436e9
JS		 3293 * This routine is invoked to stop an SLI3 device port, it stops the device
3294 * from generating interrupts and stops the device driver's timers for the
3295 * device.
e59058c4 3296 **/
da0436e9
JS		 3297static void
3298lpfc_stop_port_s3(struct lpfc_hba *phba)
db2378e0 3299{
da0436e9
JS		 3300 /* Clear all interrupt enable conditions */
3301 writel(0, phba->HCregaddr);
3302 readl(phba->HCregaddr); /* flush */
3303 /* Clear all pending interrupts */
3304 writel(0xffffffff, phba->HAregaddr);
3305 readl(phba->HAregaddr); /* flush */
db2378e0 3306
da0436e9
JS		 3307 /* Reset some HBA SLI setup states */
3308 lpfc_stop_hba_timers(phba);
3309 phba->pport->work_port_events = 0;
3310}
db2378e0 3311
da0436e9
JS		 3312/**
3313 * lpfc_stop_port_s4 - Stop SLI4 device port
3314 * @phba: pointer to lpfc hba data structure.
3315 *
3316 * This routine is invoked to stop an SLI4 device port, it stops the device
3317 * from generating interrupts and stops the device driver's timers for the
3318 * device.
3319 **/
3320static void
3321lpfc_stop_port_s4(struct lpfc_hba *phba)
3322{
3323 /* Reset some HBA SLI4 setup states */
3324 lpfc_stop_hba_timers(phba);
3325 phba->pport->work_port_events = 0;
3326 phba->sli4_hba.intr_enable = 0;
da0436e9 3327}
9399627f 3328
da0436e9
JS		 3329/**
3330 * lpfc_stop_port - Wrapper function for stopping hba port
3331 * @phba: Pointer to HBA context object.
3332 *
3333 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3334 * the API jump table function pointer from the lpfc_hba struct.
3335 **/
3336void
3337lpfc_stop_port(struct lpfc_hba *phba)
3338{
3339 phba->lpfc_stop_port(phba);
3340}
db2378e0 3341
ecfd03c6
JS		 3342/**
3343 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3344 * @phba: Pointer to hba for which this call is being executed.
3345 *
3346 * This routine starts the timer waiting for the FCF rediscovery to complete.
3347 **/
3348void
3349lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba)
3350{
3351 unsigned long fcf_redisc_wait_tmo =
3352 (jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO));
3353 /* Start fcf rediscovery wait period timer */
3354 mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo);
3355 spin_lock_irq(&phba->hbalock);
3356 /* Allow action to new fcf asynchronous event */
3357 phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
3358 /* Mark the FCF rediscovery pending state */
3359 phba->fcf.fcf_flag |= FCF_REDISC_PEND;
3360 spin_unlock_irq(&phba->hbalock);
3361}
3362
3363/**
3364 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3365 * @ptr: Map to lpfc_hba data structure pointer.
3366 *
3367 * This routine is invoked when waiting for FCF table rediscover has been
3368 * timed out. If new FCF record(s) has (have) been discovered during the
3369 * wait period, a new FCF event shall be added to the FCOE async event
3370 * list, and then worker thread shall be waked up for processing from the
3371 * worker thread context.
3372 **/
3373void
3374lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr)
3375{
3376 struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
3377
3378 /* Don't send FCF rediscovery event if timer cancelled */
3379 spin_lock_irq(&phba->hbalock);
3380 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
3381 spin_unlock_irq(&phba->hbalock);
3382 return;
3383 }
3384 /* Clear FCF rediscovery timer pending flag */
3385 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
3386 /* FCF rediscovery event to worker thread */
3387 phba->fcf.fcf_flag |= FCF_REDISC_EVT;
3388 spin_unlock_irq(&phba->hbalock);
0c9ab6f5 3389 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
a93ff37a 3390 "2776 FCF rediscover quiescent timer expired\n");
ecfd03c6
JS		 3391 /* wake up worker thread */
3392 lpfc_worker_wake_up(phba);
3393}
3394
e59058c4 3395/**
da0436e9 3396 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
e59058c4 3397 * @phba: pointer to lpfc hba data structure.
da0436e9 3398 * @acqe_link: pointer to the async link completion queue entry.
e59058c4 3399 *
da0436e9
JS		 3400 * This routine is to parse the SLI4 link-attention link fault code and
3401 * translate it into the base driver's read link attention mailbox command
3402 * status.
3403 *
3404 * Return: Link-attention status in terms of base driver's coding.
e59058c4 3405 **/
da0436e9
JS		 3406static uint16_t
3407lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba,
3408 struct lpfc_acqe_link *acqe_link)
db2378e0 3409{
da0436e9 3410 uint16_t latt_fault;
9399627f 3411
da0436e9
JS		 3412 switch (bf_get(lpfc_acqe_link_fault, acqe_link)) {
3413 case LPFC_ASYNC_LINK_FAULT_NONE:
3414 case LPFC_ASYNC_LINK_FAULT_LOCAL:
3415 case LPFC_ASYNC_LINK_FAULT_REMOTE:
3416 latt_fault = 0;
3417 break;
3418 default:
3419 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3420 "0398 Invalid link fault code: x%x\n",
3421 bf_get(lpfc_acqe_link_fault, acqe_link));
3422 latt_fault = MBXERR_ERROR;
3423 break;
3424 }
3425 return latt_fault;
db2378e0
JS		 3426}
3427
5b75da2f 3428/**
da0436e9 3429 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
5b75da2f 3430 * @phba: pointer to lpfc hba data structure.
da0436e9 3431 * @acqe_link: pointer to the async link completion queue entry.
5b75da2f 3432 *
da0436e9
JS		 3433 * This routine is to parse the SLI4 link attention type and translate it
3434 * into the base driver's link attention type coding.
5b75da2f 3435 *
da0436e9
JS		 3436 * Return: Link attention type in terms of base driver's coding.
3437 **/
3438static uint8_t
3439lpfc_sli4_parse_latt_type(struct lpfc_hba *phba,
3440 struct lpfc_acqe_link *acqe_link)
5b75da2f 3441{
da0436e9 3442 uint8_t att_type;
5b75da2f 3443
da0436e9
JS		 3444 switch (bf_get(lpfc_acqe_link_status, acqe_link)) {
3445 case LPFC_ASYNC_LINK_STATUS_DOWN:
3446 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN:
76a95d75 3447 att_type = LPFC_ATT_LINK_DOWN;
da0436e9
JS		 3448 break;
3449 case LPFC_ASYNC_LINK_STATUS_UP:
3450 /* Ignore physical link up events - wait for logical link up */
76a95d75 3451 att_type = LPFC_ATT_RESERVED;
da0436e9
JS		 3452 break;
3453 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP:
76a95d75 3454 att_type = LPFC_ATT_LINK_UP;
da0436e9
JS		 3455 break;
3456 default:
3457 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3458 "0399 Invalid link attention type: x%x\n",
3459 bf_get(lpfc_acqe_link_status, acqe_link));
76a95d75 3460 att_type = LPFC_ATT_RESERVED;
da0436e9 3461 break;
5b75da2f 3462 }
da0436e9 3463 return att_type;
5b75da2f
JS		 3464}
3465
3466/**
da0436e9 3467 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
5b75da2f 3468 * @phba: pointer to lpfc hba data structure.
da0436e9 3469 * @acqe_link: pointer to the async link completion queue entry.
5b75da2f 3470 *
da0436e9
JS		 3471 * This routine is to parse the SLI4 link-attention link speed and translate
3472 * it into the base driver's link-attention link speed coding.
3473 *
3474 * Return: Link-attention link speed in terms of base driver's coding.
3475 **/
3476static uint8_t
3477lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba,
3478 struct lpfc_acqe_link *acqe_link)
5b75da2f 3479{
da0436e9
JS		 3480 uint8_t link_speed;
3481
3482 switch (bf_get(lpfc_acqe_link_speed, acqe_link)) {
3483 case LPFC_ASYNC_LINK_SPEED_ZERO:
da0436e9 3484 case LPFC_ASYNC_LINK_SPEED_10MBPS:
da0436e9 3485 case LPFC_ASYNC_LINK_SPEED_100MBPS:
76a95d75 3486 link_speed = LPFC_LINK_SPEED_UNKNOWN;
da0436e9
JS		 3487 break;
3488 case LPFC_ASYNC_LINK_SPEED_1GBPS:
76a95d75 3489 link_speed = LPFC_LINK_SPEED_1GHZ;
da0436e9
JS		 3490 break;
3491 case LPFC_ASYNC_LINK_SPEED_10GBPS:
76a95d75 3492 link_speed = LPFC_LINK_SPEED_10GHZ;
da0436e9
JS		 3493 break;
3494 default:
3495 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3496 "0483 Invalid link-attention link speed: x%x\n",
3497 bf_get(lpfc_acqe_link_speed, acqe_link));
76a95d75 3498 link_speed = LPFC_LINK_SPEED_UNKNOWN;
da0436e9
JS		 3499 break;
3500 }
3501 return link_speed;
3502}
3503
3504/**
70f3c073 3505 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
da0436e9
JS		 3506 * @phba: pointer to lpfc hba data structure.
3507 * @acqe_link: pointer to the async link completion queue entry.
3508 *
70f3c073 3509 * This routine is to handle the SLI4 asynchronous FCoE link event.
da0436e9
JS		 3510 **/
3511static void
3512lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
3513 struct lpfc_acqe_link *acqe_link)
3514{
3515 struct lpfc_dmabuf *mp;
3516 LPFC_MBOXQ_t *pmb;
3517 MAILBOX_t *mb;
76a95d75 3518 struct lpfc_mbx_read_top *la;
da0436e9 3519 uint8_t att_type;
76a95d75 3520 int rc;
da0436e9
JS		 3521
3522 att_type = lpfc_sli4_parse_latt_type(phba, acqe_link);
76a95d75 3523 if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP)
da0436e9 3524 return;
32b9793f 3525 phba->fcoe_eventtag = acqe_link->event_tag;
da0436e9
JS		 3526 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3527 if (!pmb) {
3528 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3529 "0395 The mboxq allocation failed\n");
3530 return;
3531 }
3532 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3533 if (!mp) {
3534 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3535 "0396 The lpfc_dmabuf allocation failed\n");
3536 goto out_free_pmb;
3537 }
3538 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3539 if (!mp->virt) {
3540 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3541 "0397 The mbuf allocation failed\n");
3542 goto out_free_dmabuf;
3543 }
3544
3545 /* Cleanup any outstanding ELS commands */
3546 lpfc_els_flush_all_cmd(phba);
3547
3548 /* Block ELS IOCBs until we have done process link event */
3549 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
3550
3551 /* Update link event statistics */
3552 phba->sli.slistat.link_event++;
3553
76a95d75
JS		 3554 /* Create lpfc_handle_latt mailbox command from link ACQE */
3555 lpfc_read_topology(phba, pmb, mp);
3556 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
da0436e9
JS		 3557 pmb->vport = phba->pport;
3558
da0436e9
JS		 3559 /* Keep the link status for extra SLI4 state machine reference */
3560 phba->sli4_hba.link_state.speed =
3561 bf_get(lpfc_acqe_link_speed, acqe_link);
3562 phba->sli4_hba.link_state.duplex =
3563 bf_get(lpfc_acqe_link_duplex, acqe_link);
3564 phba->sli4_hba.link_state.status =
3565 bf_get(lpfc_acqe_link_status, acqe_link);
70f3c073
JS		 3566 phba->sli4_hba.link_state.type =
3567 bf_get(lpfc_acqe_link_type, acqe_link);
3568 phba->sli4_hba.link_state.number =
3569 bf_get(lpfc_acqe_link_number, acqe_link);
da0436e9
JS		 3570 phba->sli4_hba.link_state.fault =
3571 bf_get(lpfc_acqe_link_fault, acqe_link);
65467b6b 3572 phba->sli4_hba.link_state.logical_speed =
70f3c073
JS		 3573 bf_get(lpfc_acqe_logical_link_speed, acqe_link);
3574 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
c31098ce
JS		 3575 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3576 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3577 "Logical speed:%dMbps Fault:%d\n",
70f3c073
JS		 3578 phba->sli4_hba.link_state.speed,
3579 phba->sli4_hba.link_state.topology,
3580 phba->sli4_hba.link_state.status,
3581 phba->sli4_hba.link_state.type,
3582 phba->sli4_hba.link_state.number,
3583 phba->sli4_hba.link_state.logical_speed * 10,
3584 phba->sli4_hba.link_state.fault);
76a95d75
JS		 3585 /*
3586 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3587 * topology info. Note: Optional for non FC-AL ports.
3588 */
3589 if (!(phba->hba_flag & HBA_FCOE_MODE)) {
3590 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
3591 if (rc == MBX_NOT_FINISHED)
3592 goto out_free_dmabuf;
3593 return;
3594 }
3595 /*
3596 * For FCoE Mode: fill in all the topology information we need and call
3597 * the READ_TOPOLOGY completion routine to continue without actually
3598 * sending the READ_TOPOLOGY mailbox command to the port.
3599 */
3600 /* Parse and translate status field */
3601 mb = &pmb->u.mb;
3602 mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link);
3603
3604 /* Parse and translate link attention fields */
3605 la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop;
3606 la->eventTag = acqe_link->event_tag;
3607 bf_set(lpfc_mbx_read_top_att_type, la, att_type);
3608 bf_set(lpfc_mbx_read_top_link_spd, la,
3609 lpfc_sli4_parse_latt_link_speed(phba, acqe_link));
3610
3611 /* Fake the the following irrelvant fields */
3612 bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT);
3613 bf_set(lpfc_mbx_read_top_alpa_granted, la, 0);
3614 bf_set(lpfc_mbx_read_top_il, la, 0);
3615 bf_set(lpfc_mbx_read_top_pb, la, 0);
3616 bf_set(lpfc_mbx_read_top_fa, la, 0);
3617 bf_set(lpfc_mbx_read_top_mm, la, 0);
da0436e9
JS		 3618
3619 /* Invoke the lpfc_handle_latt mailbox command callback function */
76a95d75 3620 lpfc_mbx_cmpl_read_topology(phba, pmb);
da0436e9 3621
5b75da2f 3622 return;
da0436e9
JS		 3623
3624out_free_dmabuf:
3625 kfree(mp);
3626out_free_pmb:
3627 mempool_free(pmb, phba->mbox_mem_pool);
3628}
3629
70f3c073
JS		 3630/**
3631 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3632 * @phba: pointer to lpfc hba data structure.
3633 * @acqe_fc: pointer to the async fc completion queue entry.
3634 *
3635 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3636 * that the event was received and then issue a read_topology mailbox command so
3637 * that the rest of the driver will treat it the same as SLI3.
3638 **/
3639static void
3640lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
3641{
3642 struct lpfc_dmabuf *mp;
3643 LPFC_MBOXQ_t *pmb;
3644 int rc;
3645
3646 if (bf_get(lpfc_trailer_type, acqe_fc) !=
3647 LPFC_FC_LA_EVENT_TYPE_FC_LINK) {
3648 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3649 "2895 Non FC link Event detected.(%d)\n",
3650 bf_get(lpfc_trailer_type, acqe_fc));
3651 return;
3652 }
3653 /* Keep the link status for extra SLI4 state machine reference */
3654 phba->sli4_hba.link_state.speed =
3655 bf_get(lpfc_acqe_fc_la_speed, acqe_fc);
3656 phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL;
3657 phba->sli4_hba.link_state.topology =
3658 bf_get(lpfc_acqe_fc_la_topology, acqe_fc);
3659 phba->sli4_hba.link_state.status =
3660 bf_get(lpfc_acqe_fc_la_att_type, acqe_fc);
3661 phba->sli4_hba.link_state.type =
3662 bf_get(lpfc_acqe_fc_la_port_type, acqe_fc);
3663 phba->sli4_hba.link_state.number =
3664 bf_get(lpfc_acqe_fc_la_port_number, acqe_fc);
3665 phba->sli4_hba.link_state.fault =
3666 bf_get(lpfc_acqe_link_fault, acqe_fc);
3667 phba->sli4_hba.link_state.logical_speed =
3668 bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc);
3669 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3670 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
3671 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
3672 "%dMbps Fault:%d\n",
3673 phba->sli4_hba.link_state.speed,
3674 phba->sli4_hba.link_state.topology,
3675 phba->sli4_hba.link_state.status,
3676 phba->sli4_hba.link_state.type,
3677 phba->sli4_hba.link_state.number,
3678 phba->sli4_hba.link_state.logical_speed * 10,
3679 phba->sli4_hba.link_state.fault);
3680 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3681 if (!pmb) {
3682 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3683 "2897 The mboxq allocation failed\n");
3684 return;
3685 }
3686 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3687 if (!mp) {
3688 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3689 "2898 The lpfc_dmabuf allocation failed\n");
3690 goto out_free_pmb;
3691 }
3692 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3693 if (!mp->virt) {
3694 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3695 "2899 The mbuf allocation failed\n");
3696 goto out_free_dmabuf;
3697 }
3698
3699 /* Cleanup any outstanding ELS commands */
3700 lpfc_els_flush_all_cmd(phba);
3701
3702 /* Block ELS IOCBs until we have done process link event */
3703 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
3704
3705 /* Update link event statistics */
3706 phba->sli.slistat.link_event++;
3707
3708 /* Create lpfc_handle_latt mailbox command from link ACQE */
3709 lpfc_read_topology(phba, pmb, mp);
3710 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
3711 pmb->vport = phba->pport;
3712
3713 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
3714 if (rc == MBX_NOT_FINISHED)
3715 goto out_free_dmabuf;
3716 return;
3717
3718out_free_dmabuf:
3719 kfree(mp);
3720out_free_pmb:
3721 mempool_free(pmb, phba->mbox_mem_pool);
3722}
3723
3724/**
3725 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
3726 * @phba: pointer to lpfc hba data structure.
3727 * @acqe_fc: pointer to the async SLI completion queue entry.
3728 *
3729 * This routine is to handle the SLI4 asynchronous SLI events.
3730 **/
3731static void
3732lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli)
3733{
4b8bae08
JS		 3734 char port_name;
3735 char message[80];
3736 uint8_t status;
3737 struct lpfc_acqe_misconfigured_event *misconfigured;
3738
3739 /* special case misconfigured event as it contains data for all ports */
3740 if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
3741 LPFC_SLI_INTF_IF_TYPE_2) ||
3742 (bf_get(lpfc_trailer_type, acqe_sli) !=
3743 LPFC_SLI_EVENT_TYPE_MISCONFIGURED)) {
3744 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3745 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
3746 "x%08x SLI Event Type:%d\n",
3747 acqe_sli->event_data1, acqe_sli->event_data2,
3748 bf_get(lpfc_trailer_type, acqe_sli));
3749 return;
3750 }
3751
3752 port_name = phba->Port[0];
3753 if (port_name == 0x00)
3754 port_name = '?'; /* get port name is empty */
3755
3756 misconfigured = (struct lpfc_acqe_misconfigured_event *)
3757 &acqe_sli->event_data1;
3758
3759 /* fetch the status for this port */
3760 switch (phba->sli4_hba.lnk_info.lnk_no) {
3761 case LPFC_LINK_NUMBER_0:
3762 status = bf_get(lpfc_sli_misconfigured_port0,
3763 &misconfigured->theEvent);
3764 break;
3765 case LPFC_LINK_NUMBER_1:
3766 status = bf_get(lpfc_sli_misconfigured_port1,
3767 &misconfigured->theEvent);
3768 break;
3769 case LPFC_LINK_NUMBER_2:
3770 status = bf_get(lpfc_sli_misconfigured_port2,
3771 &misconfigured->theEvent);
3772 break;
3773 case LPFC_LINK_NUMBER_3:
3774 status = bf_get(lpfc_sli_misconfigured_port3,
3775 &misconfigured->theEvent);
3776 break;
3777 default:
3778 status = ~LPFC_SLI_EVENT_STATUS_VALID;
3779 break;
3780 }
3781
3782 switch (status) {
3783 case LPFC_SLI_EVENT_STATUS_VALID:
3784 return; /* no message if the sfp is okay */
3785 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT:
292098be
JS		 3786 sprintf(message, "Optics faulted/incorrectly installed/not " \
3787 "installed - Reseat optics, if issue not "
3788 "resolved, replace.");
4b8bae08
JS		 3789 break;
3790 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE:
3791 sprintf(message,
292098be
JS		 3792 "Optics of two types installed - Remove one optic or " \
3793 "install matching pair of optics.");
4b8bae08
JS		 3794 break;
3795 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED:
292098be
JS		 3796 sprintf(message, "Incompatible optics - Replace with " \
3797 "compatible optics for card to function.");
4b8bae08
JS		 3798 break;
3799 default:
3800 /* firmware is reporting a status we don't know about */
3801 sprintf(message, "Unknown event status x%02x", status);
3802 break;
3803 }
3804
3805 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3806 "3176 Misconfigured Physical Port - "
3807 "Port Name %c %s\n", port_name, message);
70f3c073
JS		 3808}
3809
fc2b989b
JS		 3810/**
3811 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
3812 * @vport: pointer to vport data structure.
3813 *
3814 * This routine is to perform Clear Virtual Link (CVL) on a vport in
3815 * response to a CVL event.
3816 *
3817 * Return the pointer to the ndlp with the vport if successful, otherwise
3818 * return NULL.
3819 **/
3820static struct lpfc_nodelist *
3821lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
3822{
3823 struct lpfc_nodelist *ndlp;
3824 struct Scsi_Host *shost;
3825 struct lpfc_hba *phba;
3826
3827 if (!vport)
3828 return NULL;
fc2b989b
JS		 3829 phba = vport->phba;
3830 if (!phba)
3831 return NULL;
78730cfe
JS		 3832 ndlp = lpfc_findnode_did(vport, Fabric_DID);
3833 if (!ndlp) {
3834 /* Cannot find existing Fabric ndlp, so allocate a new one */
3835 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
3836 if (!ndlp)
3837 return 0;
3838 lpfc_nlp_init(vport, ndlp, Fabric_DID);
3839 /* Set the node type */
3840 ndlp->nlp_type |= NLP_FABRIC;
3841 /* Put ndlp onto node list */
3842 lpfc_enqueue_node(vport, ndlp);
3843 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
3844 /* re-setup ndlp without removing from node list */
3845 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
3846 if (!ndlp)
3847 return 0;
3848 }
63e801ce
JS		 3849 if ((phba->pport->port_state < LPFC_FLOGI) &&
3850 (phba->pport->port_state != LPFC_VPORT_FAILED))
fc2b989b
JS		 3851 return NULL;
3852 /* If virtual link is not yet instantiated ignore CVL */
63e801ce
JS		 3853 if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC)
3854 && (vport->port_state != LPFC_VPORT_FAILED))
fc2b989b
JS		 3855 return NULL;
3856 shost = lpfc_shost_from_vport(vport);
3857 if (!shost)
3858 return NULL;
3859 lpfc_linkdown_port(vport);
3860 lpfc_cleanup_pending_mbox(vport);
3861 spin_lock_irq(shost->host_lock);
3862 vport->fc_flag |= FC_VPORT_CVL_RCVD;
3863 spin_unlock_irq(shost->host_lock);
3864
3865 return ndlp;
3866}
3867
3868/**
3869 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
3870 * @vport: pointer to lpfc hba data structure.
3871 *
3872 * This routine is to perform Clear Virtual Link (CVL) on all vports in
3873 * response to a FCF dead event.
3874 **/
3875static void
3876lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba)
3877{
3878 struct lpfc_vport **vports;
3879 int i;
3880
3881 vports = lpfc_create_vport_work_array(phba);
3882 if (vports)
3883 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
3884 lpfc_sli4_perform_vport_cvl(vports[i]);
3885 lpfc_destroy_vport_work_array(phba, vports);
3886}
3887
da0436e9 3888/**
76a95d75 3889 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
da0436e9
JS		 3890 * @phba: pointer to lpfc hba data structure.
3891 * @acqe_link: pointer to the async fcoe completion queue entry.
3892 *
3893 * This routine is to handle the SLI4 asynchronous fcoe event.
3894 **/
3895static void
76a95d75 3896lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
70f3c073 3897 struct lpfc_acqe_fip *acqe_fip)
da0436e9 3898{
70f3c073 3899 uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip);
da0436e9 3900 int rc;
6669f9bb
JS		 3901 struct lpfc_vport *vport;
3902 struct lpfc_nodelist *ndlp;
3903 struct Scsi_Host *shost;
695a814e
JS		 3904 int active_vlink_present;
3905 struct lpfc_vport **vports;
3906 int i;
da0436e9 3907
70f3c073
JS		 3908 phba->fc_eventTag = acqe_fip->event_tag;
3909 phba->fcoe_eventtag = acqe_fip->event_tag;
da0436e9 3910 switch (event_type) {
70f3c073
JS		 3911 case LPFC_FIP_EVENT_TYPE_NEW_FCF:
3912 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD:
3913 if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF)
999d813f
JS		 3914 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
3915 LOG_DISCOVERY,
a93ff37a
JS		 3916 "2546 New FCF event, evt_tag:x%x, "
3917 "index:x%x\n",
70f3c073
JS		 3918 acqe_fip->event_tag,
3919 acqe_fip->index);
999d813f
JS		 3920 else
3921 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP |
3922 LOG_DISCOVERY,
a93ff37a
JS		 3923 "2788 FCF param modified event, "
3924 "evt_tag:x%x, index:x%x\n",
70f3c073
JS		 3925 acqe_fip->event_tag,
3926 acqe_fip->index);
38b92ef8 3927 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
0c9ab6f5
JS		 3928 /*
3929 * During period of FCF discovery, read the FCF
3930 * table record indexed by the event to update
a93ff37a 3931 * FCF roundrobin failover eligible FCF bmask.
0c9ab6f5
JS		 3932 */
3933 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
3934 LOG_DISCOVERY,
a93ff37a
JS		 3935 "2779 Read FCF (x%x) for updating "
3936 "roundrobin FCF failover bmask\n",
70f3c073
JS		 3937 acqe_fip->index);
3938 rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index);
0c9ab6f5 3939 }
38b92ef8
JS		 3940
3941 /* If the FCF discovery is in progress, do nothing. */
3804dc84 3942 spin_lock_irq(&phba->hbalock);
a93ff37a 3943 if (phba->hba_flag & FCF_TS_INPROG) {
38b92ef8
JS		 3944 spin_unlock_irq(&phba->hbalock);
3945 break;
3946 }
3947 /* If fast FCF failover rescan event is pending, do nothing */
3948 if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
3949 spin_unlock_irq(&phba->hbalock);
3950 break;
3951 }
3952
3953 /* If the FCF has been in discovered state, do nothing. */
3804dc84
JS		 3954 if (phba->fcf.fcf_flag & FCF_SCAN_DONE) {
3955 spin_unlock_irq(&phba->hbalock);
3956 break;
3957 }
3958 spin_unlock_irq(&phba->hbalock);
38b92ef8 3959
0c9ab6f5
JS		 3960 /* Otherwise, scan the entire FCF table and re-discover SAN */
3961 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
a93ff37a
JS		 3962 "2770 Start FCF table scan per async FCF "
3963 "event, evt_tag:x%x, index:x%x\n",
70f3c073 3964 acqe_fip->event_tag, acqe_fip->index);
0c9ab6f5
JS		 3965 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
3966 LPFC_FCOE_FCF_GET_FIRST);
da0436e9 3967 if (rc)
0c9ab6f5
JS		 3968 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
3969 "2547 Issue FCF scan read FCF mailbox "
a93ff37a 3970 "command failed (x%x)\n", rc);
da0436e9
JS		 3971 break;
3972
70f3c073 3973 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL:
da0436e9 3974 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
e4e74273 3975 "2548 FCF Table full count 0x%x tag 0x%x\n",
70f3c073
JS		 3976 bf_get(lpfc_acqe_fip_fcf_count, acqe_fip),
3977 acqe_fip->event_tag);
da0436e9
JS		 3978 break;
3979
70f3c073 3980 case LPFC_FIP_EVENT_TYPE_FCF_DEAD:
80c17849 3981 phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
0c9ab6f5 3982 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
a93ff37a 3983 "2549 FCF (x%x) disconnected from network, "
70f3c073 3984 "tag:x%x\n", acqe_fip->index, acqe_fip->event_tag);
38b92ef8
JS		 3985 /*
3986 * If we are in the middle of FCF failover process, clear
3987 * the corresponding FCF bit in the roundrobin bitmap.
da0436e9 3988 */
fc2b989b 3989 spin_lock_irq(&phba->hbalock);
0c9ab6f5 3990 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
fc2b989b 3991 spin_unlock_irq(&phba->hbalock);
0c9ab6f5 3992 /* Update FLOGI FCF failover eligible FCF bmask */
70f3c073 3993 lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index);
fc2b989b
JS		 3994 break;
3995 }
38b92ef8
JS		 3996 spin_unlock_irq(&phba->hbalock);
3997
3998 /* If the event is not for currently used fcf do nothing */
70f3c073 3999 if (phba->fcf.current_rec.fcf_indx != acqe_fip->index)
38b92ef8
JS		 4000 break;
4001
4002 /*
4003 * Otherwise, request the port to rediscover the entire FCF
4004 * table for a fast recovery from case that the current FCF
4005 * is no longer valid as we are not in the middle of FCF
4006 * failover process already.
4007 */
4008 spin_lock_irq(&phba->hbalock);
fc2b989b 4009 /* Mark the fast failover process in progress */
0c9ab6f5 4010 phba->fcf.fcf_flag |= FCF_DEAD_DISC;
fc2b989b 4011 spin_unlock_irq(&phba->hbalock);
38b92ef8 4012
0c9ab6f5
JS		 4013 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
4014 "2771 Start FCF fast failover process due to "
4015 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
70f3c073 4016 "\n", acqe_fip->event_tag, acqe_fip->index);
fc2b989b
JS		 4017 rc = lpfc_sli4_redisc_fcf_table(phba);
4018 if (rc) {
0c9ab6f5
JS		 4019 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4020 LOG_DISCOVERY,
4021 "2772 Issue FCF rediscover mabilbox "
4022 "command failed, fail through to FCF "
4023 "dead event\n");
fc2b989b 4024 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4025 phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
fc2b989b
JS		 4026 spin_unlock_irq(&phba->hbalock);
4027 /*
4028 * Last resort will fail over by treating this
4029 * as a link down to FCF registration.
4030 */
4031 lpfc_sli4_fcf_dead_failthrough(phba);
38b92ef8
JS		 4032 } else {
4033 /* Reset FCF roundrobin bmask for new discovery */
7d791df7 4034 lpfc_sli4_clear_fcf_rr_bmask(phba);
38b92ef8
JS		 4035 /*
4036 * Handling fast FCF failover to a DEAD FCF event is
4037 * considered equalivant to receiving CVL to all vports.
fc2b989b
JS		 4038 */
4039 lpfc_sli4_perform_all_vport_cvl(phba);
38b92ef8 4040 }
da0436e9 4041 break;
70f3c073 4042 case LPFC_FIP_EVENT_TYPE_CVL:
80c17849 4043 phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
0c9ab6f5 4044 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
6669f9bb 4045 "2718 Clear Virtual Link Received for VPI 0x%x"
70f3c073 4046 " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag);
6d368e53 4047
6669f9bb 4048 vport = lpfc_find_vport_by_vpid(phba,
5248a749 4049 acqe_fip->index);
fc2b989b 4050 ndlp = lpfc_sli4_perform_vport_cvl(vport);
6669f9bb
JS		 4051 if (!ndlp)
4052 break;
695a814e
JS		 4053 active_vlink_present = 0;
4054
4055 vports = lpfc_create_vport_work_array(phba);
4056 if (vports) {
4057 for (i = 0; i <= phba->max_vports && vports[i] != NULL;
4058 i++) {
4059 if ((!(vports[i]->fc_flag &
4060 FC_VPORT_CVL_RCVD)) &&
4061 (vports[i]->port_state > LPFC_FDISC)) {
4062 active_vlink_present = 1;
4063 break;
4064 }
4065 }
4066 lpfc_destroy_vport_work_array(phba, vports);
4067 }
4068
4069 if (active_vlink_present) {
4070 /*
4071 * If there are other active VLinks present,
4072 * re-instantiate the Vlink using FDISC.
4073 */
6669f9bb 4074 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
fc2b989b 4075 shost = lpfc_shost_from_vport(vport);
6669f9bb
JS		 4076 spin_lock_irq(shost->host_lock);
4077 ndlp->nlp_flag |= NLP_DELAY_TMO;
4078 spin_unlock_irq(shost->host_lock);
695a814e
JS		 4079 ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
4080 vport->port_state = LPFC_FDISC;
4081 } else {
ecfd03c6
JS		 4082 /*
4083 * Otherwise, we request port to rediscover
4084 * the entire FCF table for a fast recovery
4085 * from possible case that the current FCF
0c9ab6f5
JS		 4086 * is no longer valid if we are not already
4087 * in the FCF failover process.
ecfd03c6 4088 */
fc2b989b 4089 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4090 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
fc2b989b
JS		 4091 spin_unlock_irq(&phba->hbalock);
4092 break;
4093 }
4094 /* Mark the fast failover process in progress */
0c9ab6f5 4095 phba->fcf.fcf_flag |= FCF_ACVL_DISC;
fc2b989b 4096 spin_unlock_irq(&phba->hbalock);
0c9ab6f5
JS		 4097 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
4098 LOG_DISCOVERY,
a93ff37a 4099 "2773 Start FCF failover per CVL, "
70f3c073 4100 "evt_tag:x%x\n", acqe_fip->event_tag);
ecfd03c6 4101 rc = lpfc_sli4_redisc_fcf_table(phba);
fc2b989b 4102 if (rc) {
0c9ab6f5
JS		 4103 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4104 LOG_DISCOVERY,
4105 "2774 Issue FCF rediscover "
4106 "mabilbox command failed, "
4107 "through to CVL event\n");
fc2b989b 4108 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4109 phba->fcf.fcf_flag &= ~FCF_ACVL_DISC;
fc2b989b 4110 spin_unlock_irq(&phba->hbalock);
ecfd03c6
JS		 4111 /*
4112 * Last resort will be re-try on the
4113 * the current registered FCF entry.
4114 */
4115 lpfc_retry_pport_discovery(phba);
38b92ef8
JS		 4116 } else
4117 /*
4118 * Reset FCF roundrobin bmask for new
4119 * discovery.
4120 */
7d791df7 4121 lpfc_sli4_clear_fcf_rr_bmask(phba);
6669f9bb
JS		 4122 }
4123 break;
da0436e9
JS		 4124 default:
4125 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4126 "0288 Unknown FCoE event type 0x%x event tag "
70f3c073 4127 "0x%x\n", event_type, acqe_fip->event_tag);
da0436e9
JS		 4128 break;
4129 }
4130}
4131
4132/**
4133 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
4134 * @phba: pointer to lpfc hba data structure.
4135 * @acqe_link: pointer to the async dcbx completion queue entry.
4136 *
4137 * This routine is to handle the SLI4 asynchronous dcbx event.
4138 **/
4139static void
4140lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba,
4141 struct lpfc_acqe_dcbx *acqe_dcbx)
4142{
4d9ab994 4143 phba->fc_eventTag = acqe_dcbx->event_tag;
da0436e9
JS		 4144 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4145 "0290 The SLI4 DCBX asynchronous event is not "
4146 "handled yet\n");
4147}
4148
b19a061a
JS		 4149/**
4150 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
4151 * @phba: pointer to lpfc hba data structure.
4152 * @acqe_link: pointer to the async grp5 completion queue entry.
4153 *
4154 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
4155 * is an asynchronous notified of a logical link speed change. The Port
4156 * reports the logical link speed in units of 10Mbps.
4157 **/
4158static void
4159lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba,
4160 struct lpfc_acqe_grp5 *acqe_grp5)
4161{
4162 uint16_t prev_ll_spd;
4163
4164 phba->fc_eventTag = acqe_grp5->event_tag;
4165 phba->fcoe_eventtag = acqe_grp5->event_tag;
4166 prev_ll_spd = phba->sli4_hba.link_state.logical_speed;
4167 phba->sli4_hba.link_state.logical_speed =
4168 (bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5));
4169 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4170 "2789 GRP5 Async Event: Updating logical link speed "
4171 "from %dMbps to %dMbps\n", (prev_ll_spd * 10),
4172 (phba->sli4_hba.link_state.logical_speed*10));
4173}
4174
da0436e9
JS		 4175/**
4176 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
4177 * @phba: pointer to lpfc hba data structure.
4178 *
4179 * This routine is invoked by the worker thread to process all the pending
4180 * SLI4 asynchronous events.
4181 **/
4182void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
4183{
4184 struct lpfc_cq_event *cq_event;
4185
4186 /* First, declare the async event has been handled */
4187 spin_lock_irq(&phba->hbalock);
4188 phba->hba_flag &= ~ASYNC_EVENT;
4189 spin_unlock_irq(&phba->hbalock);
4190 /* Now, handle all the async events */
4191 while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) {
4192 /* Get the first event from the head of the event queue */
4193 spin_lock_irq(&phba->hbalock);
4194 list_remove_head(&phba->sli4_hba.sp_asynce_work_queue,
4195 cq_event, struct lpfc_cq_event, list);
4196 spin_unlock_irq(&phba->hbalock);
4197 /* Process the asynchronous event */
4198 switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) {
4199 case LPFC_TRAILER_CODE_LINK:
4200 lpfc_sli4_async_link_evt(phba,
4201 &cq_event->cqe.acqe_link);
4202 break;
4203 case LPFC_TRAILER_CODE_FCOE:
70f3c073 4204 lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip);
da0436e9
JS		 4205 break;
4206 case LPFC_TRAILER_CODE_DCBX:
4207 lpfc_sli4_async_dcbx_evt(phba,
4208 &cq_event->cqe.acqe_dcbx);
4209 break;
b19a061a
JS		 4210 case LPFC_TRAILER_CODE_GRP5:
4211 lpfc_sli4_async_grp5_evt(phba,
4212 &cq_event->cqe.acqe_grp5);
4213 break;
70f3c073
JS		 4214 case LPFC_TRAILER_CODE_FC:
4215 lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc);
4216 break;
4217 case LPFC_TRAILER_CODE_SLI:
4218 lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli);
4219 break;
da0436e9
JS		 4220 default:
4221 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4222 "1804 Invalid asynchrous event code: "
4223 "x%x\n", bf_get(lpfc_trailer_code,
4224 &cq_event->cqe.mcqe_cmpl));
4225 break;
4226 }
4227 /* Free the completion event processed to the free pool */
4228 lpfc_sli4_cq_event_release(phba, cq_event);
4229 }
4230}
4231
ecfd03c6
JS		 4232/**
4233 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
4234 * @phba: pointer to lpfc hba data structure.
4235 *
4236 * This routine is invoked by the worker thread to process FCF table
4237 * rediscovery pending completion event.
4238 **/
4239void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba)
4240{
4241 int rc;
4242
4243 spin_lock_irq(&phba->hbalock);
4244 /* Clear FCF rediscovery timeout event */
4245 phba->fcf.fcf_flag &= ~FCF_REDISC_EVT;
4246 /* Clear driver fast failover FCF record flag */
4247 phba->fcf.failover_rec.flag = 0;
4248 /* Set state for FCF fast failover */
4249 phba->fcf.fcf_flag |= FCF_REDISC_FOV;
4250 spin_unlock_irq(&phba->hbalock);
4251
4252 /* Scan FCF table from the first entry to re-discover SAN */
0c9ab6f5 4253 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
a93ff37a 4254 "2777 Start post-quiescent FCF table scan\n");
0c9ab6f5 4255 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
ecfd03c6 4256 if (rc)
0c9ab6f5
JS		 4257 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
4258 "2747 Issue FCF scan read FCF mailbox "
4259 "command failed 0x%x\n", rc);
ecfd03c6
JS		 4260}
4261
da0436e9
JS		 4262/**
4263 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
4264 * @phba: pointer to lpfc hba data structure.
4265 * @dev_grp: The HBA PCI-Device group number.
4266 *
4267 * This routine is invoked to set up the per HBA PCI-Device group function
4268 * API jump table entries.
4269 *
4270 * Return: 0 if success, otherwise -ENODEV
4271 **/
4272int
4273lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
4274{
4275 int rc;
4276
4277 /* Set up lpfc PCI-device group */
4278 phba->pci_dev_grp = dev_grp;
4279
4280 /* The LPFC_PCI_DEV_OC uses SLI4 */
4281 if (dev_grp == LPFC_PCI_DEV_OC)
4282 phba->sli_rev = LPFC_SLI_REV4;
4283
4284 /* Set up device INIT API function jump table */
4285 rc = lpfc_init_api_table_setup(phba, dev_grp);
4286 if (rc)
4287 return -ENODEV;
4288 /* Set up SCSI API function jump table */
4289 rc = lpfc_scsi_api_table_setup(phba, dev_grp);
4290 if (rc)
4291 return -ENODEV;
4292 /* Set up SLI API function jump table */
4293 rc = lpfc_sli_api_table_setup(phba, dev_grp);
4294 if (rc)
4295 return -ENODEV;
4296 /* Set up MBOX API function jump table */
4297 rc = lpfc_mbox_api_table_setup(phba, dev_grp);
4298 if (rc)
4299 return -ENODEV;
4300
4301 return 0;
5b75da2f
JS		 4302}
4303
4304/**
3621a710 4305 * lpfc_log_intr_mode - Log the active interrupt mode
5b75da2f
JS		 4306 * @phba: pointer to lpfc hba data structure.
4307 * @intr_mode: active interrupt mode adopted.
4308 *
4309 * This routine it invoked to log the currently used active interrupt mode
4310 * to the device.
3772a991
JS		 4311 **/
4312static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode)
5b75da2f
JS		 4313{
4314 switch (intr_mode) {
4315 case 0:
4316 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4317 "0470 Enable INTx interrupt mode.\n");
4318 break;
4319 case 1:
4320 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4321 "0481 Enabled MSI interrupt mode.\n");
4322 break;
4323 case 2:
4324 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4325 "0480 Enabled MSI-X interrupt mode.\n");
4326 break;
4327 default:
4328 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4329 "0482 Illegal interrupt mode.\n");
4330 break;
4331 }
4332 return;
4333}
4334
5b75da2f 4335/**
3772a991 4336 * lpfc_enable_pci_dev - Enable a generic PCI device.
5b75da2f
JS		 4337 * @phba: pointer to lpfc hba data structure.
4338 *
3772a991
JS		 4339 * This routine is invoked to enable the PCI device that is common to all
4340 * PCI devices.
5b75da2f
JS		 4341 *
4342 * Return codes
af901ca1 4343 * 0 - successful
3772a991 4344 * other values - error
5b75da2f 4345 **/
3772a991
JS		 4346static int
4347lpfc_enable_pci_dev(struct lpfc_hba *phba)
5b75da2f 4348{
3772a991 4349 struct pci_dev *pdev;
079b5c91 4350 int bars = 0;
5b75da2f 4351
3772a991
JS		 4352 /* Obtain PCI device reference */
4353 if (!phba->pcidev)
4354 goto out_error;
4355 else
4356 pdev = phba->pcidev;
4357 /* Select PCI BARs */
4358 bars = pci_select_bars(pdev, IORESOURCE_MEM);
4359 /* Enable PCI device */
4360 if (pci_enable_device_mem(pdev))
4361 goto out_error;
4362 /* Request PCI resource for the device */
4363 if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
4364 goto out_disable_device;
4365 /* Set up device as PCI master and save state for EEH */
4366 pci_set_master(pdev);
4367 pci_try_set_mwi(pdev);
4368 pci_save_state(pdev);
5b75da2f 4369
0558056c
JS		 4370 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
4371 if (pci_find_capability(pdev, PCI_CAP_ID_EXP))
4372 pdev->needs_freset = 1;
4373
3772a991 4374 return 0;
5b75da2f 4375
3772a991
JS		 4376out_disable_device:
4377 pci_disable_device(pdev);
4378out_error:
079b5c91
JS		 4379 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4380 "1401 Failed to enable pci device, bars:x%x\n", bars);
3772a991 4381 return -ENODEV;
5b75da2f
JS		 4382}
4383
4384/**
3772a991 4385 * lpfc_disable_pci_dev - Disable a generic PCI device.
5b75da2f
JS		 4386 * @phba: pointer to lpfc hba data structure.
4387 *
3772a991
JS		 4388 * This routine is invoked to disable the PCI device that is common to all
4389 * PCI devices.
5b75da2f
JS		 4390 **/
4391static void
3772a991 4392lpfc_disable_pci_dev(struct lpfc_hba *phba)
5b75da2f 4393{
3772a991
JS		 4394 struct pci_dev *pdev;
4395 int bars;
5b75da2f 4396
3772a991
JS		 4397 /* Obtain PCI device reference */
4398 if (!phba->pcidev)
4399 return;
4400 else
4401 pdev = phba->pcidev;
4402 /* Select PCI BARs */
4403 bars = pci_select_bars(pdev, IORESOURCE_MEM);
4404 /* Release PCI resource and disable PCI device */
4405 pci_release_selected_regions(pdev, bars);
4406 pci_disable_device(pdev);
4407 /* Null out PCI private reference to driver */
4408 pci_set_drvdata(pdev, NULL);
5b75da2f
JS		 4409
4410 return;
4411}
4412
e59058c4 4413/**
3772a991
JS		 4414 * lpfc_reset_hba - Reset a hba
4415 * @phba: pointer to lpfc hba data structure.
e59058c4 4416 *
3772a991
JS		 4417 * This routine is invoked to reset a hba device. It brings the HBA
4418 * offline, performs a board restart, and then brings the board back
4419 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4420 * on outstanding mailbox commands.
e59058c4 4421 **/
3772a991
JS		 4422void
4423lpfc_reset_hba(struct lpfc_hba *phba)
dea3101e 4424{
3772a991
JS		 4425 /* If resets are disabled then set error state and return. */
4426 if (!phba->cfg_enable_hba_reset) {
4427 phba->link_state = LPFC_HBA_ERROR;
4428 return;
4429 }
618a5230 4430 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
3772a991
JS		 4431 lpfc_offline(phba);
4432 lpfc_sli_brdrestart(phba);
4433 lpfc_online(phba);
4434 lpfc_unblock_mgmt_io(phba);
4435}
dea3101e 4436
0a96e975
JS		 4437/**
4438 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4439 * @phba: pointer to lpfc hba data structure.
4440 *
4441 * This function enables the PCI SR-IOV virtual functions to a physical
4442 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4443 * enable the number of virtual functions to the physical function. As
4444 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4445 * API call does not considered as an error condition for most of the device.
4446 **/
4447uint16_t
4448lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba)
4449{
4450 struct pci_dev *pdev = phba->pcidev;
4451 uint16_t nr_virtfn;
4452 int pos;
4453
0a96e975
JS		 4454 pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
4455 if (pos == 0)
4456 return 0;
4457
4458 pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn);
4459 return nr_virtfn;
4460}
4461
912e3acd
JS		 4462/**
4463 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4464 * @phba: pointer to lpfc hba data structure.
4465 * @nr_vfn: number of virtual functions to be enabled.
4466 *
4467 * This function enables the PCI SR-IOV virtual functions to a physical
4468 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4469 * enable the number of virtual functions to the physical function. As
4470 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4471 * API call does not considered as an error condition for most of the device.
4472 **/
4473int
4474lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn)
4475{
4476 struct pci_dev *pdev = phba->pcidev;
0a96e975 4477 uint16_t max_nr_vfn;
912e3acd
JS		 4478 int rc;
4479
0a96e975
JS		 4480 max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba);
4481 if (nr_vfn > max_nr_vfn) {
4482 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4483 "3057 Requested vfs (%d) greater than "
4484 "supported vfs (%d)", nr_vfn, max_nr_vfn);
4485 return -EINVAL;
4486 }
4487
912e3acd
JS		 4488 rc = pci_enable_sriov(pdev, nr_vfn);
4489 if (rc) {
4490 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4491 "2806 Failed to enable sriov on this device "
4492 "with vfn number nr_vf:%d, rc:%d\n",
4493 nr_vfn, rc);
4494 } else
4495 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4496 "2807 Successful enable sriov on this device "
4497 "with vfn number nr_vf:%d\n", nr_vfn);
4498 return rc;
4499}
4500
3772a991
JS		 4501/**
4502 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4503 * @phba: pointer to lpfc hba data structure.
4504 *
4505 * This routine is invoked to set up the driver internal resources specific to
4506 * support the SLI-3 HBA device it attached to.
4507 *
4508 * Return codes
af901ca1 4509 * 0 - successful
3772a991
JS		 4510 * other values - error
4511 **/
4512static int
4513lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
4514{
4515 struct lpfc_sli *psli;
912e3acd 4516 int rc;
dea3101e 4517
2e0fef85 4518 /*
3772a991 4519 * Initialize timers used by driver
2e0fef85 4520 */
dea3101e 4521
3772a991 4522 /* Heartbeat timer */
858c9f6c
JS		 4523 init_timer(&phba->hb_tmofunc);
4524 phba->hb_tmofunc.function = lpfc_hb_timeout;
4525 phba->hb_tmofunc.data = (unsigned long)phba;
4526
dea3101e 4527 psli = &phba->sli;
3772a991 4528 /* MBOX heartbeat timer */
dea3101e 4529 init_timer(&psli->mbox_tmo);
4530 psli->mbox_tmo.function = lpfc_mbox_timeout;
2e0fef85 4531 psli->mbox_tmo.data = (unsigned long) phba;
3772a991 4532 /* FCP polling mode timer */
875fbdfe
JSEC		 4533 init_timer(&phba->fcp_poll_timer);
4534 phba->fcp_poll_timer.function = lpfc_poll_timeout;
2e0fef85 4535 phba->fcp_poll_timer.data = (unsigned long) phba;
3772a991 4536 /* Fabric block timer */
92d7f7b0
JS		 4537 init_timer(&phba->fabric_block_timer);
4538 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
4539 phba->fabric_block_timer.data = (unsigned long) phba;
3772a991 4540 /* EA polling mode timer */
9399627f
JS		 4541 init_timer(&phba->eratt_poll);
4542 phba->eratt_poll.function = lpfc_poll_eratt;
4543 phba->eratt_poll.data = (unsigned long) phba;
dea3101e 4544
3772a991
JS		 4545 /* Host attention work mask setup */
4546 phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT);
4547 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
dea3101e 4548
3772a991
JS		 4549 /* Get all the module params for configuring this host */
4550 lpfc_get_cfgparam(phba);
49198b37
JS		 4551 if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) {
4552 phba->menlo_flag |= HBA_MENLO_SUPPORT;
4553 /* check for menlo minimum sg count */
4554 if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT)
4555 phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
4556 }
4557
2a76a283
JS		 4558 if (!phba->sli.ring)
4559 phba->sli.ring = (struct lpfc_sli_ring *)
4560 kzalloc(LPFC_SLI3_MAX_RING *
4561 sizeof(struct lpfc_sli_ring), GFP_KERNEL);
4562 if (!phba->sli.ring)
4563 return -ENOMEM;
4564
dea3101e 4565 /*
3772a991
JS		 4566 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4567 * used to create the sg_dma_buf_pool must be dynamically calculated.
4568 * 2 segments are added since the IOCB needs a command and response bde.
dea3101e 4569 */
3772a991
JS		 4570 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4571 sizeof(struct fcp_rsp) +
4572 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64));
4573
4574 if (phba->cfg_enable_bg) {
4575 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT;
4576 phba->cfg_sg_dma_buf_size +=
4577 phba->cfg_prot_sg_seg_cnt * sizeof(struct ulp_bde64);
901a920f 4578 }
dea3101e 4579
3772a991
JS		 4580 /* Also reinitialize the host templates with new values. */
4581 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4582 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
dea3101e 4583
3772a991
JS		 4584 phba->max_vpi = LPFC_MAX_VPI;
4585 /* This will be set to correct value after config_port mbox */
4586 phba->max_vports = 0;
dea3101e 4587
3772a991
JS		 4588 /*
4589 * Initialize the SLI Layer to run with lpfc HBAs.
4590 */
4591 lpfc_sli_setup(phba);
4592 lpfc_sli_queue_setup(phba);
ed957684 4593
3772a991
JS		 4594 /* Allocate device driver memory */
4595 if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ))
4596 return -ENOMEM;
51ef4c26 4597
912e3acd
JS		 4598 /*
4599 * Enable sr-iov virtual functions if supported and configured
4600 * through the module parameter.
4601 */
4602 if (phba->cfg_sriov_nr_virtfn > 0) {
4603 rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
4604 phba->cfg_sriov_nr_virtfn);
4605 if (rc) {
4606 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4607 "2808 Requested number of SR-IOV "
4608 "virtual functions (%d) is not "
4609 "supported\n",
4610 phba->cfg_sriov_nr_virtfn);
4611 phba->cfg_sriov_nr_virtfn = 0;
4612 }
4613 }
4614
3772a991
JS		 4615 return 0;
4616}
ed957684 4617
3772a991
JS		 4618/**
4619 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
4620 * @phba: pointer to lpfc hba data structure.
4621 *
4622 * This routine is invoked to unset the driver internal resources set up
4623 * specific for supporting the SLI-3 HBA device it attached to.
4624 **/
4625static void
4626lpfc_sli_driver_resource_unset(struct lpfc_hba *phba)
4627{
4628 /* Free device driver memory allocated */
4629 lpfc_mem_free_all(phba);
3163f725 4630
3772a991
JS		 4631 return;
4632}
dea3101e 4633
3772a991 4634/**
da0436e9 4635 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
3772a991
JS		 4636 * @phba: pointer to lpfc hba data structure.
4637 *
da0436e9
JS		 4638 * This routine is invoked to set up the driver internal resources specific to
4639 * support the SLI-4 HBA device it attached to.
3772a991
JS		 4640 *
4641 * Return codes
af901ca1 4642 * 0 - successful
da0436e9 4643 * other values - error
3772a991
JS		 4644 **/
4645static int
da0436e9 4646lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
3772a991 4647{
da0436e9 4648 struct lpfc_sli *psli;
28baac74
JS		 4649 LPFC_MBOXQ_t *mboxq;
4650 int rc, i, hbq_count, buf_size, dma_buf_size, max_buf_size;
4651 uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0};
4652 struct lpfc_mqe *mqe;
085c647c 4653 int longs, sli_family;
acd6859b 4654 int sges_per_segment;
da0436e9
JS		 4655
4656 /* Before proceed, wait for POST done and device ready */
4657 rc = lpfc_sli4_post_status_check(phba);
4658 if (rc)
4659 return -ENODEV;
4660
3772a991 4661 /*
da0436e9 4662 * Initialize timers used by driver
3772a991 4663 */
3772a991 4664
da0436e9
JS		 4665 /* Heartbeat timer */
4666 init_timer(&phba->hb_tmofunc);
4667 phba->hb_tmofunc.function = lpfc_hb_timeout;
4668 phba->hb_tmofunc.data = (unsigned long)phba;
19ca7609
JS		 4669 init_timer(&phba->rrq_tmr);
4670 phba->rrq_tmr.function = lpfc_rrq_timeout;
4671 phba->rrq_tmr.data = (unsigned long)phba;
3772a991 4672
da0436e9
JS		 4673 psli = &phba->sli;
4674 /* MBOX heartbeat timer */
4675 init_timer(&psli->mbox_tmo);
4676 psli->mbox_tmo.function = lpfc_mbox_timeout;
4677 psli->mbox_tmo.data = (unsigned long) phba;
4678 /* Fabric block timer */
4679 init_timer(&phba->fabric_block_timer);
4680 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
4681 phba->fabric_block_timer.data = (unsigned long) phba;
4682 /* EA polling mode timer */
4683 init_timer(&phba->eratt_poll);
4684 phba->eratt_poll.function = lpfc_poll_eratt;
4685 phba->eratt_poll.data = (unsigned long) phba;
ecfd03c6
JS		 4686 /* FCF rediscover timer */
4687 init_timer(&phba->fcf.redisc_wait);
4688 phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo;
4689 phba->fcf.redisc_wait.data = (unsigned long)phba;
4690
7ad20aa9
JS		 4691 /*
4692 * Control structure for handling external multi-buffer mailbox
4693 * command pass-through.
4694 */
4695 memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0,
4696 sizeof(struct lpfc_mbox_ext_buf_ctx));
4697 INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list);
4698
da0436e9
JS		 4699 /*
4700 * We need to do a READ_CONFIG mailbox command here before
4701 * calling lpfc_get_cfgparam. For VFs this will report the
4702 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
4703 * All of the resources allocated
4704 * for this Port are tied to these values.
4705 */
4706 /* Get all the module params for configuring this host */
4707 lpfc_get_cfgparam(phba);
4708 phba->max_vpi = LPFC_MAX_VPI;
67d12733
JS		 4709
4710 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
4711 phba->cfg_fcp_io_channel = phba->cfg_fcp_eq_count;
4712
da0436e9
JS		 4713 /* This will be set to correct value after the read_config mbox */
4714 phba->max_vports = 0;
3772a991 4715
da0436e9
JS		 4716 /* Program the default value of vlan_id and fc_map */
4717 phba->valid_vlan = 0;
4718 phba->fc_map[0] = LPFC_FCOE_FCF_MAP0;
4719 phba->fc_map[1] = LPFC_FCOE_FCF_MAP1;
4720 phba->fc_map[2] = LPFC_FCOE_FCF_MAP2;
3772a991 4721
acd6859b
JS		 4722 /* With BlockGuard we can have multiple SGEs per Data Segemnt */
4723 sges_per_segment = 1;
4724 if (phba->cfg_enable_bg)
4725 sges_per_segment = 2;
4726
2a76a283
JS		 4727 /*
4728 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
4729 * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple.
4730 */
4731 if (!phba->sli.ring)
4732 phba->sli.ring = kzalloc(
67d12733 4733 (LPFC_SLI3_MAX_RING + phba->cfg_fcp_io_channel) *
2a76a283
JS		 4734 sizeof(struct lpfc_sli_ring), GFP_KERNEL);
4735 if (!phba->sli.ring)
4736 return -ENOMEM;
da0436e9
JS		 4737 /*
4738 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4739 * used to create the sg_dma_buf_pool must be dynamically calculated.
4740 * 2 segments are added since the IOCB needs a command and response bde.
4741 * To insure that the scsi sgl does not cross a 4k page boundary only
28baac74 4742 * sgl sizes of must be a power of 2.
da0436e9 4743 */
28baac74 4744 buf_size = (sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp) +
acd6859b
JS		 4745 (((phba->cfg_sg_seg_cnt * sges_per_segment) + 2) *
4746 sizeof(struct sli4_sge)));
085c647c
JS		 4747
4748 sli_family = bf_get(lpfc_sli_intf_sli_family, &phba->sli4_hba.sli_intf);
4749 max_buf_size = LPFC_SLI4_MAX_BUF_SIZE;
4750 switch (sli_family) {
4751 case LPFC_SLI_INTF_FAMILY_BE2:
4752 case LPFC_SLI_INTF_FAMILY_BE3:
4753 /* There is a single hint for BE - 2 pages per BPL. */
4754 if (bf_get(lpfc_sli_intf_sli_hint1, &phba->sli4_hba.sli_intf) ==
4755 LPFC_SLI_INTF_SLI_HINT1_1)
4756 max_buf_size = LPFC_SLI4_FL1_MAX_BUF_SIZE;
4757 break;
4758 case LPFC_SLI_INTF_FAMILY_LNCR_A0:
4759 case LPFC_SLI_INTF_FAMILY_LNCR_B0:
4760 default:
4761 break;
4762 }
acd6859b 4763
28baac74
JS		 4764 for (dma_buf_size = LPFC_SLI4_MIN_BUF_SIZE;
4765 dma_buf_size < max_buf_size && buf_size > dma_buf_size;
4766 dma_buf_size = dma_buf_size << 1)
4767 ;
4768 if (dma_buf_size == max_buf_size)
4769 phba->cfg_sg_seg_cnt = (dma_buf_size -
4770 sizeof(struct fcp_cmnd) - sizeof(struct fcp_rsp) -
4771 (2 * sizeof(struct sli4_sge))) /
4772 sizeof(struct sli4_sge);
4773 phba->cfg_sg_dma_buf_size = dma_buf_size;
3772a991 4774
da0436e9
JS		 4775 /* Initialize buffer queue management fields */
4776 hbq_count = lpfc_sli_hbq_count();
4777 for (i = 0; i < hbq_count; ++i)
4778 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
4779 INIT_LIST_HEAD(&phba->rb_pend_list);
4780 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc;
4781 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free;
3772a991 4782
da0436e9
JS		 4783 /*
4784 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
4785 */
4786 /* Initialize the Abort scsi buffer list used by driver */
4787 spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock);
4788 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
4789 /* This abort list used by worker thread */
4790 spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock);
3772a991 4791
da0436e9 4792 /*
6d368e53 4793 * Initialize driver internal slow-path work queues
da0436e9 4794 */
3772a991 4795
da0436e9
JS		 4796 /* Driver internel slow-path CQ Event pool */
4797 INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool);
4798 /* Response IOCB work queue list */
45ed1190 4799 INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event);
da0436e9
JS		 4800 /* Asynchronous event CQ Event work queue list */
4801 INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue);
4802 /* Fast-path XRI aborted CQ Event work queue list */
4803 INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue);
4804 /* Slow-path XRI aborted CQ Event work queue list */
4805 INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue);
4806 /* Receive queue CQ Event work queue list */
4807 INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue);
4808
6d368e53
JS		 4809 /* Initialize extent block lists. */
4810 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list);
4811 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list);
4812 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list);
4813 INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list);
4814
da0436e9
JS		 4815 /* Initialize the driver internal SLI layer lists. */
4816 lpfc_sli_setup(phba);
4817 lpfc_sli_queue_setup(phba);
3772a991 4818
da0436e9
JS		 4819 /* Allocate device driver memory */
4820 rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ);
4821 if (rc)
4822 return -ENOMEM;
4823
2fcee4bf
JS		 4824 /* IF Type 2 ports get initialized now. */
4825 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
4826 LPFC_SLI_INTF_IF_TYPE_2) {
4827 rc = lpfc_pci_function_reset(phba);
4828 if (unlikely(rc))
4829 return -ENODEV;
4830 }
4831
da0436e9
JS		 4832 /* Create the bootstrap mailbox command */
4833 rc = lpfc_create_bootstrap_mbox(phba);
4834 if (unlikely(rc))
4835 goto out_free_mem;
4836
4837 /* Set up the host's endian order with the device. */
4838 rc = lpfc_setup_endian_order(phba);
4839 if (unlikely(rc))
4840 goto out_free_bsmbx;
4841
4842 /* Set up the hba's configuration parameters. */
4843 rc = lpfc_sli4_read_config(phba);
4844 if (unlikely(rc))
4845 goto out_free_bsmbx;
4846
2fcee4bf
JS		 4847 /* IF Type 0 ports get initialized now. */
4848 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
4849 LPFC_SLI_INTF_IF_TYPE_0) {
4850 rc = lpfc_pci_function_reset(phba);
4851 if (unlikely(rc))
4852 goto out_free_bsmbx;
4853 }
da0436e9 4854
cb5172ea
JS		 4855 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
4856 GFP_KERNEL);
4857 if (!mboxq) {
4858 rc = -ENOMEM;
4859 goto out_free_bsmbx;
4860 }
4861
fedd3b7b 4862 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
cb5172ea
JS		 4863 lpfc_supported_pages(mboxq);
4864 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
fedd3b7b
JS		 4865 if (!rc) {
4866 mqe = &mboxq->u.mqe;
4867 memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
4868 LPFC_MAX_SUPPORTED_PAGES);
4869 for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
4870 switch (pn_page[i]) {
4871 case LPFC_SLI4_PARAMETERS:
4872 phba->sli4_hba.pc_sli4_params.supported = 1;
4873 break;
4874 default:
4875 break;
4876 }
4877 }
4878 /* Read the port's SLI4 Parameters capabilities if supported. */
4879 if (phba->sli4_hba.pc_sli4_params.supported)
4880 rc = lpfc_pc_sli4_params_get(phba, mboxq);
4881 if (rc) {
4882 mempool_free(mboxq, phba->mbox_mem_pool);
4883 rc = -EIO;
4884 goto out_free_bsmbx;
cb5172ea
JS		 4885 }
4886 }
fedd3b7b
JS		 4887 /*
4888 * Get sli4 parameters that override parameters from Port capabilities.
6d368e53
JS		 4889 * If this call fails, it isn't critical unless the SLI4 parameters come
4890 * back in conflict.
fedd3b7b 4891 */
6d368e53
JS		 4892 rc = lpfc_get_sli4_parameters(phba, mboxq);
4893 if (rc) {
4894 if (phba->sli4_hba.extents_in_use &&
4895 phba->sli4_hba.rpi_hdrs_in_use) {
4896 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4897 "2999 Unsupported SLI4 Parameters "
4898 "Extents and RPI headers enabled.\n");
4899 goto out_free_bsmbx;
4900 }
4901 }
cb5172ea 4902 mempool_free(mboxq, phba->mbox_mem_pool);
5350d872
JS		 4903 /* Verify all the SLI4 queues */
4904 rc = lpfc_sli4_queue_verify(phba);
da0436e9
JS		 4905 if (rc)
4906 goto out_free_bsmbx;
4907
4908 /* Create driver internal CQE event pool */
4909 rc = lpfc_sli4_cq_event_pool_create(phba);
4910 if (rc)
5350d872 4911 goto out_free_bsmbx;
da0436e9 4912
8a9d2e80
JS		 4913 /* Initialize sgl lists per host */
4914 lpfc_init_sgl_list(phba);
4915
4916 /* Allocate and initialize active sgl array */
da0436e9
JS		 4917 rc = lpfc_init_active_sgl_array(phba);
4918 if (rc) {
4919 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4920 "1430 Failed to initialize sgl list.\n");
8a9d2e80 4921 goto out_destroy_cq_event_pool;
da0436e9 4922 }
da0436e9
JS		 4923 rc = lpfc_sli4_init_rpi_hdrs(phba);
4924 if (rc) {
4925 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4926 "1432 Failed to initialize rpi headers.\n");
4927 goto out_free_active_sgl;
4928 }
4929
a93ff37a 4930 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
0c9ab6f5
JS		 4931 longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG;
4932 phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long),
4933 GFP_KERNEL);
4934 if (!phba->fcf.fcf_rr_bmask) {
4935 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4936 "2759 Failed allocate memory for FCF round "
4937 "robin failover bmask\n");
0558056c 4938 rc = -ENOMEM;
0c9ab6f5
JS		 4939 goto out_remove_rpi_hdrs;
4940 }
4941
67d12733
JS		 4942 phba->sli4_hba.fcp_eq_hdl =
4943 kzalloc((sizeof(struct lpfc_fcp_eq_hdl) *
4944 phba->cfg_fcp_io_channel), GFP_KERNEL);
4945 if (!phba->sli4_hba.fcp_eq_hdl) {
4946 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4947 "2572 Failed allocate memory for "
4948 "fast-path per-EQ handle array\n");
4949 rc = -ENOMEM;
4950 goto out_free_fcf_rr_bmask;
da0436e9
JS		 4951 }
4952
4953 phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
82c3e9ba 4954 phba->cfg_fcp_io_channel), GFP_KERNEL);
da0436e9
JS		 4955 if (!phba->sli4_hba.msix_entries) {
4956 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4957 "2573 Failed allocate memory for msi-x "
4958 "interrupt vector entries\n");
0558056c 4959 rc = -ENOMEM;
da0436e9
JS		 4960 goto out_free_fcp_eq_hdl;
4961 }
4962
912e3acd
JS		 4963 /*
4964 * Enable sr-iov virtual functions if supported and configured
4965 * through the module parameter.
4966 */
4967 if (phba->cfg_sriov_nr_virtfn > 0) {
4968 rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
4969 phba->cfg_sriov_nr_virtfn);
4970 if (rc) {
4971 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4972 "3020 Requested number of SR-IOV "
4973 "virtual functions (%d) is not "
4974 "supported\n",
4975 phba->cfg_sriov_nr_virtfn);
4976 phba->cfg_sriov_nr_virtfn = 0;
4977 }
4978 }
4979
5248a749 4980 return 0;
da0436e9
JS		 4981
4982out_free_fcp_eq_hdl:
4983 kfree(phba->sli4_hba.fcp_eq_hdl);
0c9ab6f5
JS		 4984out_free_fcf_rr_bmask:
4985 kfree(phba->fcf.fcf_rr_bmask);
da0436e9
JS		 4986out_remove_rpi_hdrs:
4987 lpfc_sli4_remove_rpi_hdrs(phba);
4988out_free_active_sgl:
4989 lpfc_free_active_sgl(phba);
da0436e9
JS		 4990out_destroy_cq_event_pool:
4991 lpfc_sli4_cq_event_pool_destroy(phba);
da0436e9
JS		 4992out_free_bsmbx:
4993 lpfc_destroy_bootstrap_mbox(phba);
4994out_free_mem:
4995 lpfc_mem_free(phba);
4996 return rc;
4997}
4998
4999/**
5000 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
5001 * @phba: pointer to lpfc hba data structure.
5002 *
5003 * This routine is invoked to unset the driver internal resources set up
5004 * specific for supporting the SLI-4 HBA device it attached to.
5005 **/
5006static void
5007lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
5008{
5009 struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
5010
da0436e9
JS		 5011 /* Free memory allocated for msi-x interrupt vector entries */
5012 kfree(phba->sli4_hba.msix_entries);
5013
5014 /* Free memory allocated for fast-path work queue handles */
5015 kfree(phba->sli4_hba.fcp_eq_hdl);
5016
5017 /* Free the allocated rpi headers. */
5018 lpfc_sli4_remove_rpi_hdrs(phba);
d11e31dd 5019 lpfc_sli4_remove_rpis(phba);
da0436e9 5020
0c9ab6f5
JS		 5021 /* Free eligible FCF index bmask */
5022 kfree(phba->fcf.fcf_rr_bmask);
5023
da0436e9
JS		 5024 /* Free the ELS sgl list */
5025 lpfc_free_active_sgl(phba);
8a9d2e80 5026 lpfc_free_els_sgl_list(phba);
da0436e9 5027
da0436e9
JS		 5028 /* Free the completion queue EQ event pool */
5029 lpfc_sli4_cq_event_release_all(phba);
5030 lpfc_sli4_cq_event_pool_destroy(phba);
5031
6d368e53
JS		 5032 /* Release resource identifiers. */
5033 lpfc_sli4_dealloc_resource_identifiers(phba);
5034
da0436e9
JS		 5035 /* Free the bsmbx region. */
5036 lpfc_destroy_bootstrap_mbox(phba);
5037
5038 /* Free the SLI Layer memory with SLI4 HBAs */
5039 lpfc_mem_free_all(phba);
5040
5041 /* Free the current connect table */
5042 list_for_each_entry_safe(conn_entry, next_conn_entry,
4d9ab994
JS		 5043 &phba->fcf_conn_rec_list, list) {
5044 list_del_init(&conn_entry->list);
da0436e9 5045 kfree(conn_entry);
4d9ab994 5046 }
da0436e9
JS		 5047
5048 return;
5049}
5050
5051/**
25985edc 5052 * lpfc_init_api_table_setup - Set up init api function jump table
da0436e9
JS		 5053 * @phba: The hba struct for which this call is being executed.
5054 * @dev_grp: The HBA PCI-Device group number.
5055 *
5056 * This routine sets up the device INIT interface API function jump table
5057 * in @phba struct.
5058 *
5059 * Returns: 0 - success, -ENODEV - failure.
5060 **/
5061int
5062lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
5063{
84d1b006
JS		 5064 phba->lpfc_hba_init_link = lpfc_hba_init_link;
5065 phba->lpfc_hba_down_link = lpfc_hba_down_link;
7f86059a 5066 phba->lpfc_selective_reset = lpfc_selective_reset;
da0436e9
JS		 5067 switch (dev_grp) {
5068 case LPFC_PCI_DEV_LP:
5069 phba->lpfc_hba_down_post = lpfc_hba_down_post_s3;
5070 phba->lpfc_handle_eratt = lpfc_handle_eratt_s3;
5071 phba->lpfc_stop_port = lpfc_stop_port_s3;
5072 break;
5073 case LPFC_PCI_DEV_OC:
5074 phba->lpfc_hba_down_post = lpfc_hba_down_post_s4;
5075 phba->lpfc_handle_eratt = lpfc_handle_eratt_s4;
5076 phba->lpfc_stop_port = lpfc_stop_port_s4;
5077 break;
5078 default:
5079 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5080 "1431 Invalid HBA PCI-device group: 0x%x\n",
5081 dev_grp);
5082 return -ENODEV;
5083 break;
5084 }
5085 return 0;
5086}
5087
5088/**
5089 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5090 * @phba: pointer to lpfc hba data structure.
5091 *
5092 * This routine is invoked to set up the driver internal resources before the
5093 * device specific resource setup to support the HBA device it attached to.
5094 *
5095 * Return codes
af901ca1 5096 * 0 - successful
da0436e9
JS		 5097 * other values - error
5098 **/
5099static int
5100lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba)
5101{
5102 /*
5103 * Driver resources common to all SLI revisions
5104 */
5105 atomic_set(&phba->fast_event_count, 0);
5106 spin_lock_init(&phba->hbalock);
5107
5108 /* Initialize ndlp management spinlock */
5109 spin_lock_init(&phba->ndlp_lock);
5110
5111 INIT_LIST_HEAD(&phba->port_list);
5112 INIT_LIST_HEAD(&phba->work_list);
5113 init_waitqueue_head(&phba->wait_4_mlo_m_q);
5114
5115 /* Initialize the wait queue head for the kernel thread */
5116 init_waitqueue_head(&phba->work_waitq);
5117
5118 /* Initialize the scsi buffer list used by driver for scsi IO */
5119 spin_lock_init(&phba->scsi_buf_list_lock);
5120 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
5121
5122 /* Initialize the fabric iocb list */
5123 INIT_LIST_HEAD(&phba->fabric_iocb_list);
5124
5125 /* Initialize list to save ELS buffers */
5126 INIT_LIST_HEAD(&phba->elsbuf);
5127
5128 /* Initialize FCF connection rec list */
5129 INIT_LIST_HEAD(&phba->fcf_conn_rec_list);
5130
5131 return 0;
5132}
5133
5134/**
5135 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
5136 * @phba: pointer to lpfc hba data structure.
5137 *
5138 * This routine is invoked to set up the driver internal resources after the
5139 * device specific resource setup to support the HBA device it attached to.
5140 *
5141 * Return codes
af901ca1 5142 * 0 - successful
da0436e9
JS		 5143 * other values - error
5144 **/
5145static int
5146lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba)
5147{
5148 int error;
5149
5150 /* Startup the kernel thread for this host adapter. */
5151 phba->worker_thread = kthread_run(lpfc_do_work, phba,
5152 "lpfc_worker_%d", phba->brd_no);
5153 if (IS_ERR(phba->worker_thread)) {
5154 error = PTR_ERR(phba->worker_thread);
5155 return error;
3772a991
JS		 5156 }
5157
5158 return 0;
5159}
5160
5161/**
5162 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
5163 * @phba: pointer to lpfc hba data structure.
5164 *
5165 * This routine is invoked to unset the driver internal resources set up after
5166 * the device specific resource setup for supporting the HBA device it
5167 * attached to.
5168 **/
5169static void
5170lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba)
5171{
5172 /* Stop kernel worker thread */
5173 kthread_stop(phba->worker_thread);
5174}
5175
5176/**
5177 * lpfc_free_iocb_list - Free iocb list.
5178 * @phba: pointer to lpfc hba data structure.
5179 *
5180 * This routine is invoked to free the driver's IOCB list and memory.
5181 **/
5182static void
5183lpfc_free_iocb_list(struct lpfc_hba *phba)
5184{
5185 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
5186
5187 spin_lock_irq(&phba->hbalock);
5188 list_for_each_entry_safe(iocbq_entry, iocbq_next,
5189 &phba->lpfc_iocb_list, list) {
5190 list_del(&iocbq_entry->list);
5191 kfree(iocbq_entry);
5192 phba->total_iocbq_bufs--;
98c9ea5c 5193 }
3772a991
JS		 5194 spin_unlock_irq(&phba->hbalock);
5195
5196 return;
5197}
5198
5199/**
5200 * lpfc_init_iocb_list - Allocate and initialize iocb list.
5201 * @phba: pointer to lpfc hba data structure.
5202 *
5203 * This routine is invoked to allocate and initizlize the driver's IOCB
5204 * list and set up the IOCB tag array accordingly.
5205 *
5206 * Return codes
af901ca1 5207 * 0 - successful
3772a991
JS		 5208 * other values - error
5209 **/
5210static int
5211lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count)
5212{
5213 struct lpfc_iocbq *iocbq_entry = NULL;
5214 uint16_t iotag;
5215 int i;
dea3101e 5216
5217 /* Initialize and populate the iocb list per host. */
5218 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
3772a991 5219 for (i = 0; i < iocb_count; i++) {
dd00cc48 5220 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
dea3101e 5221 if (iocbq_entry == NULL) {
5222 printk(KERN_ERR "%s: only allocated %d iocbs of "
5223 "expected %d count. Unloading driver.\n",
cadbd4a5 5224 __func__, i, LPFC_IOCB_LIST_CNT);
dea3101e 5225 goto out_free_iocbq;
5226 }
5227
604a3e30
JB		 5228 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
5229 if (iotag == 0) {
3772a991 5230 kfree(iocbq_entry);
604a3e30 5231 printk(KERN_ERR "%s: failed to allocate IOTAG. "
3772a991 5232 "Unloading driver.\n", __func__);
604a3e30
JB		 5233 goto out_free_iocbq;
5234 }
6d368e53 5235 iocbq_entry->sli4_lxritag = NO_XRI;
3772a991 5236 iocbq_entry->sli4_xritag = NO_XRI;
2e0fef85
JS		 5237
5238 spin_lock_irq(&phba->hbalock);
dea3101e 5239 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
5240 phba->total_iocbq_bufs++;
2e0fef85 5241 spin_unlock_irq(&phba->hbalock);
dea3101e 5242 }
5243
3772a991 5244 return 0;
dea3101e 5245
3772a991
JS		 5246out_free_iocbq:
5247 lpfc_free_iocb_list(phba);
dea3101e 5248
3772a991
JS		 5249 return -ENOMEM;
5250}
5e9d9b82 5251
3772a991 5252/**
8a9d2e80 5253 * lpfc_free_sgl_list - Free a given sgl list.
da0436e9 5254 * @phba: pointer to lpfc hba data structure.
8a9d2e80 5255 * @sglq_list: pointer to the head of sgl list.
3772a991 5256 *
8a9d2e80 5257 * This routine is invoked to free a give sgl list and memory.
3772a991 5258 **/
8a9d2e80
JS		 5259void
5260lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list)
3772a991 5261{
da0436e9 5262 struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
8a9d2e80
JS		 5263
5264 list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) {
5265 list_del(&sglq_entry->list);
5266 lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys);
5267 kfree(sglq_entry);
5268 }
5269}
5270
5271/**
5272 * lpfc_free_els_sgl_list - Free els sgl list.
5273 * @phba: pointer to lpfc hba data structure.
5274 *
5275 * This routine is invoked to free the driver's els sgl list and memory.
5276 **/
5277static void
5278lpfc_free_els_sgl_list(struct lpfc_hba *phba)
5279{
da0436e9 5280 LIST_HEAD(sglq_list);
dea3101e 5281
8a9d2e80 5282 /* Retrieve all els sgls from driver list */
da0436e9
JS		 5283 spin_lock_irq(&phba->hbalock);
5284 list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list);
5285 spin_unlock_irq(&phba->hbalock);
dea3101e 5286
8a9d2e80
JS		 5287 /* Now free the sgl list */
5288 lpfc_free_sgl_list(phba, &sglq_list);
da0436e9 5289}
92d7f7b0 5290
da0436e9
JS		 5291/**
5292 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
5293 * @phba: pointer to lpfc hba data structure.
5294 *
5295 * This routine is invoked to allocate the driver's active sgl memory.
5296 * This array will hold the sglq_entry's for active IOs.
5297 **/
5298static int
5299lpfc_init_active_sgl_array(struct lpfc_hba *phba)
5300{
5301 int size;
5302 size = sizeof(struct lpfc_sglq *);
5303 size *= phba->sli4_hba.max_cfg_param.max_xri;
5304
5305 phba->sli4_hba.lpfc_sglq_active_list =
5306 kzalloc(size, GFP_KERNEL);
5307 if (!phba->sli4_hba.lpfc_sglq_active_list)
5308 return -ENOMEM;
5309 return 0;
3772a991
JS		 5310}
5311
5312/**
da0436e9 5313 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
3772a991
JS		 5314 * @phba: pointer to lpfc hba data structure.
5315 *
da0436e9
JS		 5316 * This routine is invoked to walk through the array of active sglq entries
5317 * and free all of the resources.
5318 * This is just a place holder for now.
3772a991
JS		 5319 **/
5320static void
da0436e9 5321lpfc_free_active_sgl(struct lpfc_hba *phba)
3772a991 5322{
da0436e9 5323 kfree(phba->sli4_hba.lpfc_sglq_active_list);
3772a991
JS		 5324}
5325
5326/**
da0436e9 5327 * lpfc_init_sgl_list - Allocate and initialize sgl list.
3772a991
JS		 5328 * @phba: pointer to lpfc hba data structure.
5329 *
da0436e9
JS		 5330 * This routine is invoked to allocate and initizlize the driver's sgl
5331 * list and set up the sgl xritag tag array accordingly.
3772a991 5332 *
3772a991 5333 **/
8a9d2e80 5334static void
da0436e9 5335lpfc_init_sgl_list(struct lpfc_hba *phba)
3772a991 5336{
da0436e9
JS		 5337 /* Initialize and populate the sglq list per host/VF. */
5338 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list);
5339 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list);
5340
8a9d2e80
JS		 5341 /* els xri-sgl book keeping */
5342 phba->sli4_hba.els_xri_cnt = 0;
0ff10d46 5343
8a9d2e80 5344 /* scsi xri-buffer book keeping */
da0436e9 5345 phba->sli4_hba.scsi_xri_cnt = 0;
da0436e9
JS		 5346}
5347
5348/**
5349 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5350 * @phba: pointer to lpfc hba data structure.
5351 *
5352 * This routine is invoked to post rpi header templates to the
88a2cfbb 5353 * port for those SLI4 ports that do not support extents. This routine
da0436e9 5354 * posts a PAGE_SIZE memory region to the port to hold up to
88a2cfbb
JS		 5355 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5356 * and should be called only when interrupts are disabled.
da0436e9
JS		 5357 *
5358 * Return codes
af901ca1 5359 * 0 - successful
88a2cfbb 5360 * -ERROR - otherwise.
da0436e9
JS		 5361 **/
5362int
5363lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba)
5364{
5365 int rc = 0;
da0436e9
JS		 5366 struct lpfc_rpi_hdr *rpi_hdr;
5367
5368 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list);
ff78d8f9 5369 if (!phba->sli4_hba.rpi_hdrs_in_use)
6d368e53 5370 return rc;
6d368e53
JS		 5371 if (phba->sli4_hba.extents_in_use)
5372 return -EIO;
da0436e9
JS		 5373
5374 rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
5375 if (!rpi_hdr) {
5376 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
5377 "0391 Error during rpi post operation\n");
5378 lpfc_sli4_remove_rpis(phba);
5379 rc = -ENODEV;
5380 }
5381
5382 return rc;
5383}
5384
5385/**
5386 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5387 * @phba: pointer to lpfc hba data structure.
5388 *
5389 * This routine is invoked to allocate a single 4KB memory region to
5390 * support rpis and stores them in the phba. This single region
5391 * provides support for up to 64 rpis. The region is used globally
5392 * by the device.
5393 *
5394 * Returns:
5395 * A valid rpi hdr on success.
5396 * A NULL pointer on any failure.
5397 **/
5398struct lpfc_rpi_hdr *
5399lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
5400{
5401 uint16_t rpi_limit, curr_rpi_range;
5402 struct lpfc_dmabuf *dmabuf;
5403 struct lpfc_rpi_hdr *rpi_hdr;
9589b062 5404 uint32_t rpi_count;
da0436e9 5405
6d368e53
JS		 5406 /*
5407 * If the SLI4 port supports extents, posting the rpi header isn't
5408 * required. Set the expected maximum count and let the actual value
5409 * get set when extents are fully allocated.
5410 */
5411 if (!phba->sli4_hba.rpi_hdrs_in_use)
5412 return NULL;
5413 if (phba->sli4_hba.extents_in_use)
5414 return NULL;
5415
5416 /* The limit on the logical index is just the max_rpi count. */
da0436e9 5417 rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base +
6d368e53 5418 phba->sli4_hba.max_cfg_param.max_rpi - 1;
da0436e9
JS		 5419
5420 spin_lock_irq(&phba->hbalock);
6d368e53
JS		 5421 /*
5422 * Establish the starting RPI in this header block. The starting
5423 * rpi is normalized to a zero base because the physical rpi is
5424 * port based.
5425 */
97f2ecf1 5426 curr_rpi_range = phba->sli4_hba.next_rpi;
da0436e9
JS		 5427 spin_unlock_irq(&phba->hbalock);
5428
5429 /*
5430 * The port has a limited number of rpis. The increment here
5431 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5432 * and to allow the full max_rpi range per port.
5433 */
5434 if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit)
9589b062
JS		 5435 rpi_count = rpi_limit - curr_rpi_range;
5436 else
5437 rpi_count = LPFC_RPI_HDR_COUNT;
da0436e9 5438
6d368e53
JS		 5439 if (!rpi_count)
5440 return NULL;
da0436e9
JS		 5441 /*
5442 * First allocate the protocol header region for the port. The
5443 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5444 */
5445 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
5446 if (!dmabuf)
5447 return NULL;
5448
5449 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
5450 LPFC_HDR_TEMPLATE_SIZE,
5451 &dmabuf->phys,
5452 GFP_KERNEL);
5453 if (!dmabuf->virt) {
5454 rpi_hdr = NULL;
5455 goto err_free_dmabuf;
5456 }
5457
5458 memset(dmabuf->virt, 0, LPFC_HDR_TEMPLATE_SIZE);
5459 if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) {
5460 rpi_hdr = NULL;
5461 goto err_free_coherent;
5462 }
5463
5464 /* Save the rpi header data for cleanup later. */
5465 rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL);
5466 if (!rpi_hdr)
5467 goto err_free_coherent;
5468
5469 rpi_hdr->dmabuf = dmabuf;
5470 rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE;
5471 rpi_hdr->page_count = 1;
5472 spin_lock_irq(&phba->hbalock);
6d368e53
JS		 5473
5474 /* The rpi_hdr stores the logical index only. */
5475 rpi_hdr->start_rpi = curr_rpi_range;
da0436e9
JS		 5476 list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list);
5477
5478 /*
6d368e53
JS		 5479 * The next_rpi stores the next logical module-64 rpi value used
5480 * to post physical rpis in subsequent rpi postings.
da0436e9 5481 */
9589b062 5482 phba->sli4_hba.next_rpi += rpi_count;
da0436e9
JS		 5483 spin_unlock_irq(&phba->hbalock);
5484 return rpi_hdr;
5485
5486 err_free_coherent:
5487 dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE,
5488 dmabuf->virt, dmabuf->phys);
5489 err_free_dmabuf:
5490 kfree(dmabuf);
5491 return NULL;
5492}
5493
5494/**
5495 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5496 * @phba: pointer to lpfc hba data structure.
5497 *
5498 * This routine is invoked to remove all memory resources allocated
6d368e53
JS		 5499 * to support rpis for SLI4 ports not supporting extents. This routine
5500 * presumes the caller has released all rpis consumed by fabric or port
5501 * logins and is prepared to have the header pages removed.
da0436e9
JS		 5502 **/
5503void
5504lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba)
5505{
5506 struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr;
5507
6d368e53
JS		 5508 if (!phba->sli4_hba.rpi_hdrs_in_use)
5509 goto exit;
5510
da0436e9
JS		 5511 list_for_each_entry_safe(rpi_hdr, next_rpi_hdr,
5512 &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
5513 list_del(&rpi_hdr->list);
5514 dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len,
5515 rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys);
5516 kfree(rpi_hdr->dmabuf);
5517 kfree(rpi_hdr);
5518 }
6d368e53
JS		 5519 exit:
5520 /* There are no rpis available to the port now. */
5521 phba->sli4_hba.next_rpi = 0;
da0436e9
JS		 5522}
5523
5524/**
5525 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5526 * @pdev: pointer to pci device data structure.
5527 *
5528 * This routine is invoked to allocate the driver hba data structure for an
5529 * HBA device. If the allocation is successful, the phba reference to the
5530 * PCI device data structure is set.
5531 *
5532 * Return codes
af901ca1 5533 * pointer to @phba - successful
da0436e9
JS		 5534 * NULL - error
5535 **/
5536static struct lpfc_hba *
5537lpfc_hba_alloc(struct pci_dev *pdev)
5538{
5539 struct lpfc_hba *phba;
5540
5541 /* Allocate memory for HBA structure */
5542 phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL);
5543 if (!phba) {
e34ccdfe 5544 dev_err(&pdev->dev, "failed to allocate hba struct\n");
da0436e9
JS		 5545 return NULL;
5546 }
5547
5548 /* Set reference to PCI device in HBA structure */
5549 phba->pcidev = pdev;
5550
5551 /* Assign an unused board number */
5552 phba->brd_no = lpfc_get_instance();
5553 if (phba->brd_no < 0) {
5554 kfree(phba);
5555 return NULL;
5556 }
5557
4fede78f 5558 spin_lock_init(&phba->ct_ev_lock);
f1c3b0fc
JS		 5559 INIT_LIST_HEAD(&phba->ct_ev_waiters);
5560
da0436e9
JS		 5561 return phba;
5562}
5563
5564/**
5565 * lpfc_hba_free - Free driver hba data structure with a device.
5566 * @phba: pointer to lpfc hba data structure.
5567 *
5568 * This routine is invoked to free the driver hba data structure with an
5569 * HBA device.
5570 **/
5571static void
5572lpfc_hba_free(struct lpfc_hba *phba)
5573{
5574 /* Release the driver assigned board number */
5575 idr_remove(&lpfc_hba_index, phba->brd_no);
5576
2a76a283
JS		 5577 /* Free memory allocated with sli rings */
5578 kfree(phba->sli.ring);
5579 phba->sli.ring = NULL;
5580
da0436e9
JS		 5581 kfree(phba);
5582 return;
5583}
5584
5585/**
5586 * lpfc_create_shost - Create hba physical port with associated scsi host.
5587 * @phba: pointer to lpfc hba data structure.
5588 *
5589 * This routine is invoked to create HBA physical port and associate a SCSI
5590 * host with it.
5591 *
5592 * Return codes
af901ca1 5593 * 0 - successful
da0436e9
JS		 5594 * other values - error
5595 **/
5596static int
5597lpfc_create_shost(struct lpfc_hba *phba)
5598{
5599 struct lpfc_vport *vport;
5600 struct Scsi_Host *shost;
5601
5602 /* Initialize HBA FC structure */
5603 phba->fc_edtov = FF_DEF_EDTOV;
5604 phba->fc_ratov = FF_DEF_RATOV;
5605 phba->fc_altov = FF_DEF_ALTOV;
5606 phba->fc_arbtov = FF_DEF_ARBTOV;
5607
d7c47992 5608 atomic_set(&phba->sdev_cnt, 0);
da0436e9
JS		 5609 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
5610 if (!vport)
5611 return -ENODEV;
5612
5613 shost = lpfc_shost_from_vport(vport);
5614 phba->pport = vport;
5615 lpfc_debugfs_initialize(vport);
5616 /* Put reference to SCSI host to driver's device private data */
5617 pci_set_drvdata(phba->pcidev, shost);
2e0fef85 5618
3772a991
JS		 5619 return 0;
5620}
db2378e0 5621
3772a991
JS		 5622/**
5623 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
5624 * @phba: pointer to lpfc hba data structure.
5625 *
5626 * This routine is invoked to destroy HBA physical port and the associated
5627 * SCSI host.
5628 **/
5629static void
5630lpfc_destroy_shost(struct lpfc_hba *phba)
5631{
5632 struct lpfc_vport *vport = phba->pport;
5633
5634 /* Destroy physical port that associated with the SCSI host */
5635 destroy_port(vport);
5636
5637 return;
5638}
5639
5640/**
5641 * lpfc_setup_bg - Setup Block guard structures and debug areas.
5642 * @phba: pointer to lpfc hba data structure.
5643 * @shost: the shost to be used to detect Block guard settings.
5644 *
5645 * This routine sets up the local Block guard protocol settings for @shost.
5646 * This routine also allocates memory for debugging bg buffers.
5647 **/
5648static void
5649lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost)
5650{
bbeb79b9
JS		 5651 uint32_t old_mask;
5652 uint32_t old_guard;
5653
3772a991
JS		 5654 int pagecnt = 10;
5655 if (lpfc_prot_mask && lpfc_prot_guard) {
5656 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5657 "1478 Registering BlockGuard with the "
5658 "SCSI layer\n");
bbeb79b9
JS		 5659
5660 old_mask = lpfc_prot_mask;
5661 old_guard = lpfc_prot_guard;
5662
5663 /* Only allow supported values */
5664 lpfc_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION |
5665 SHOST_DIX_TYPE0_PROTECTION |
5666 SHOST_DIX_TYPE1_PROTECTION);
5667 lpfc_prot_guard &= (SHOST_DIX_GUARD_IP | SHOST_DIX_GUARD_CRC);
5668
5669 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
5670 if (lpfc_prot_mask == SHOST_DIX_TYPE1_PROTECTION)
5671 lpfc_prot_mask |= SHOST_DIF_TYPE1_PROTECTION;
5672
5673 if (lpfc_prot_mask && lpfc_prot_guard) {
5674 if ((old_mask != lpfc_prot_mask) ||
5675 (old_guard != lpfc_prot_guard))
5676 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5677 "1475 Registering BlockGuard with the "
5678 "SCSI layer: mask %d guard %d\n",
5679 lpfc_prot_mask, lpfc_prot_guard);
5680
5681 scsi_host_set_prot(shost, lpfc_prot_mask);
5682 scsi_host_set_guard(shost, lpfc_prot_guard);
5683 } else
5684 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5685 "1479 Not Registering BlockGuard with the SCSI "
5686 "layer, Bad protection parameters: %d %d\n",
5687 old_mask, old_guard);
3772a991 5688 }
bbeb79b9 5689
3772a991
JS		 5690 if (!_dump_buf_data) {
5691 while (pagecnt) {
5692 spin_lock_init(&_dump_buf_lock);
5693 _dump_buf_data =
5694 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
5695 if (_dump_buf_data) {
6a9c52cf
JS		 5696 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5697 "9043 BLKGRD: allocated %d pages for "
3772a991
JS		 5698 "_dump_buf_data at 0x%p\n",
5699 (1 << pagecnt), _dump_buf_data);
5700 _dump_buf_data_order = pagecnt;
5701 memset(_dump_buf_data, 0,
5702 ((1 << PAGE_SHIFT) << pagecnt));
5703 break;
5704 } else
5705 --pagecnt;
5706 }
5707 if (!_dump_buf_data_order)
6a9c52cf
JS		 5708 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5709 "9044 BLKGRD: ERROR unable to allocate "
3772a991
JS		 5710 "memory for hexdump\n");
5711 } else
6a9c52cf
JS		 5712 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5713 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
3772a991
JS		 5714 "\n", _dump_buf_data);
5715 if (!_dump_buf_dif) {
5716 while (pagecnt) {
5717 _dump_buf_dif =
5718 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
5719 if (_dump_buf_dif) {
6a9c52cf
JS		 5720 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5721 "9046 BLKGRD: allocated %d pages for "
3772a991
JS		 5722 "_dump_buf_dif at 0x%p\n",
5723 (1 << pagecnt), _dump_buf_dif);
5724 _dump_buf_dif_order = pagecnt;
5725 memset(_dump_buf_dif, 0,
5726 ((1 << PAGE_SHIFT) << pagecnt));
5727 break;
5728 } else
5729 --pagecnt;
5730 }
5731 if (!_dump_buf_dif_order)
6a9c52cf
JS		 5732 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5733 "9047 BLKGRD: ERROR unable to allocate "
3772a991
JS		 5734 "memory for hexdump\n");
5735 } else
6a9c52cf
JS		 5736 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5737 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
3772a991
JS		 5738 _dump_buf_dif);
5739}
5740
5741/**
5742 * lpfc_post_init_setup - Perform necessary device post initialization setup.
5743 * @phba: pointer to lpfc hba data structure.
5744 *
5745 * This routine is invoked to perform all the necessary post initialization
5746 * setup for the device.
5747 **/
5748static void
5749lpfc_post_init_setup(struct lpfc_hba *phba)
5750{
5751 struct Scsi_Host *shost;
5752 struct lpfc_adapter_event_header adapter_event;
5753
5754 /* Get the default values for Model Name and Description */
5755 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
5756
5757 /*
5758 * hba setup may have changed the hba_queue_depth so we need to
5759 * adjust the value of can_queue.
5760 */
5761 shost = pci_get_drvdata(phba->pcidev);
5762 shost->can_queue = phba->cfg_hba_queue_depth - 10;
5763 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
5764 lpfc_setup_bg(phba, shost);
5765
5766 lpfc_host_attrib_init(shost);
5767
5768 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
5769 spin_lock_irq(shost->host_lock);
5770 lpfc_poll_start_timer(phba);
5771 spin_unlock_irq(shost->host_lock);
5772 }
5773
5774 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5775 "0428 Perform SCSI scan\n");
5776 /* Send board arrival event to upper layer */
5777 adapter_event.event_type = FC_REG_ADAPTER_EVENT;
5778 adapter_event.subcategory = LPFC_EVENT_ARRIVAL;
5779 fc_host_post_vendor_event(shost, fc_get_event_number(),
5780 sizeof(adapter_event),
5781 (char *) &adapter_event,
5782 LPFC_NL_VENDOR_ID);
5783 return;
5784}
5785
5786/**
5787 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
5788 * @phba: pointer to lpfc hba data structure.
5789 *
5790 * This routine is invoked to set up the PCI device memory space for device
5791 * with SLI-3 interface spec.
5792 *
5793 * Return codes
af901ca1 5794 * 0 - successful
3772a991
JS		 5795 * other values - error
5796 **/
5797static int
5798lpfc_sli_pci_mem_setup(struct lpfc_hba *phba)
5799{
5800 struct pci_dev *pdev;
5801 unsigned long bar0map_len, bar2map_len;
5802 int i, hbq_count;
5803 void *ptr;
5804 int error = -ENODEV;
5805
5806 /* Obtain PCI device reference */
5807 if (!phba->pcidev)
5808 return error;
5809 else
5810 pdev = phba->pcidev;
5811
5812 /* Set the device DMA mask size */
8e68597d
MR		 5813 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
5814 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
5815 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
5816 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
3772a991 5817 return error;
8e68597d
MR		 5818 }
5819 }
3772a991
JS		 5820
5821 /* Get the bus address of Bar0 and Bar2 and the number of bytes
5822 * required by each mapping.
5823 */
5824 phba->pci_bar0_map = pci_resource_start(pdev, 0);
5825 bar0map_len = pci_resource_len(pdev, 0);
5826
5827 phba->pci_bar2_map = pci_resource_start(pdev, 2);
5828 bar2map_len = pci_resource_len(pdev, 2);
5829
5830 /* Map HBA SLIM to a kernel virtual address. */
5831 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
5832 if (!phba->slim_memmap_p) {
5833 dev_printk(KERN_ERR, &pdev->dev,
5834 "ioremap failed for SLIM memory.\n");
5835 goto out;
5836 }
5837
5838 /* Map HBA Control Registers to a kernel virtual address. */
5839 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
5840 if (!phba->ctrl_regs_memmap_p) {
5841 dev_printk(KERN_ERR, &pdev->dev,
5842 "ioremap failed for HBA control registers.\n");
5843 goto out_iounmap_slim;
5844 }
5845
5846 /* Allocate memory for SLI-2 structures */
5847 phba->slim2p.virt = dma_alloc_coherent(&pdev->dev,
5848 SLI2_SLIM_SIZE,
5849 &phba->slim2p.phys,
5850 GFP_KERNEL);
5851 if (!phba->slim2p.virt)
5852 goto out_iounmap;
5853
5854 memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE);
5855 phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
7a470277
JS		 5856 phba->mbox_ext = (phba->slim2p.virt +
5857 offsetof(struct lpfc_sli2_slim, mbx_ext_words));
3772a991
JS		 5858 phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
5859 phba->IOCBs = (phba->slim2p.virt +
5860 offsetof(struct lpfc_sli2_slim, IOCBs));
5861
5862 phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev,
5863 lpfc_sli_hbq_size(),
5864 &phba->hbqslimp.phys,
5865 GFP_KERNEL);
5866 if (!phba->hbqslimp.virt)
5867 goto out_free_slim;
5868
5869 hbq_count = lpfc_sli_hbq_count();
5870 ptr = phba->hbqslimp.virt;
5871 for (i = 0; i < hbq_count; ++i) {
5872 phba->hbqs[i].hbq_virt = ptr;
5873 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
5874 ptr += (lpfc_hbq_defs[i]->entry_count *
5875 sizeof(struct lpfc_hbq_entry));
5876 }
5877 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
5878 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
5879
5880 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
5881
5882 INIT_LIST_HEAD(&phba->rb_pend_list);
5883
5884 phba->MBslimaddr = phba->slim_memmap_p;
5885 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
5886 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
5887 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
5888 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
5889
5890 return 0;
5891
5892out_free_slim:
5893 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
5894 phba->slim2p.virt, phba->slim2p.phys);
5895out_iounmap:
5896 iounmap(phba->ctrl_regs_memmap_p);
5897out_iounmap_slim:
5898 iounmap(phba->slim_memmap_p);
5899out:
5900 return error;
5901}
5902
5903/**
5904 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
5905 * @phba: pointer to lpfc hba data structure.
5906 *
5907 * This routine is invoked to unset the PCI device memory space for device
5908 * with SLI-3 interface spec.
5909 **/
5910static void
5911lpfc_sli_pci_mem_unset(struct lpfc_hba *phba)
5912{
5913 struct pci_dev *pdev;
5914
5915 /* Obtain PCI device reference */
5916 if (!phba->pcidev)
5917 return;
5918 else
5919 pdev = phba->pcidev;
5920
5921 /* Free coherent DMA memory allocated */
5922 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
5923 phba->hbqslimp.virt, phba->hbqslimp.phys);
5924 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
5925 phba->slim2p.virt, phba->slim2p.phys);
5926
5927 /* I/O memory unmap */
5928 iounmap(phba->ctrl_regs_memmap_p);
5929 iounmap(phba->slim_memmap_p);
5930
5931 return;
5932}
5933
5934/**
da0436e9 5935 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
3772a991
JS		 5936 * @phba: pointer to lpfc hba data structure.
5937 *
da0436e9
JS		 5938 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
5939 * done and check status.
3772a991 5940 *
da0436e9 5941 * Return 0 if successful, otherwise -ENODEV.
3772a991 5942 **/
da0436e9
JS		 5943int
5944lpfc_sli4_post_status_check(struct lpfc_hba *phba)
3772a991 5945{
2fcee4bf
JS		 5946 struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg;
5947 struct lpfc_register reg_data;
5948 int i, port_error = 0;
5949 uint32_t if_type;
3772a991 5950
9940b97b
JS		 5951 memset(&portsmphr_reg, 0, sizeof(portsmphr_reg));
5952 memset(&reg_data, 0, sizeof(reg_data));
2fcee4bf 5953 if (!phba->sli4_hba.PSMPHRregaddr)
da0436e9 5954 return -ENODEV;
3772a991 5955
da0436e9
JS		 5956 /* Wait up to 30 seconds for the SLI Port POST done and ready */
5957 for (i = 0; i < 3000; i++) {
9940b97b
JS		 5958 if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr,
5959 &portsmphr_reg.word0) ||
5960 (bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) {
2fcee4bf 5961 /* Port has a fatal POST error, break out */
da0436e9
JS		 5962 port_error = -ENODEV;
5963 break;
5964 }
2fcee4bf
JS		 5965 if (LPFC_POST_STAGE_PORT_READY ==
5966 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg))
da0436e9 5967 break;
da0436e9 5968 msleep(10);
3772a991
JS		 5969 }
5970
2fcee4bf
JS		 5971 /*
5972 * If there was a port error during POST, then don't proceed with
5973 * other register reads as the data may not be valid. Just exit.
5974 */
5975 if (port_error) {
da0436e9 5976 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2fcee4bf
JS		 5977 "1408 Port Failed POST - portsmphr=0x%x, "
5978 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
5979 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
5980 portsmphr_reg.word0,
5981 bf_get(lpfc_port_smphr_perr, &portsmphr_reg),
5982 bf_get(lpfc_port_smphr_sfi, &portsmphr_reg),
5983 bf_get(lpfc_port_smphr_nip, &portsmphr_reg),
5984 bf_get(lpfc_port_smphr_ipc, &portsmphr_reg),
5985 bf_get(lpfc_port_smphr_scr1, &portsmphr_reg),
5986 bf_get(lpfc_port_smphr_scr2, &portsmphr_reg),
5987 bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg),
5988 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg));
5989 } else {
28baac74 5990 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2fcee4bf
JS		 5991 "2534 Device Info: SLIFamily=0x%x, "
5992 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
5993 "SLIHint_2=0x%x, FT=0x%x\n",
28baac74
JS		 5994 bf_get(lpfc_sli_intf_sli_family,
5995 &phba->sli4_hba.sli_intf),
5996 bf_get(lpfc_sli_intf_slirev,
5997 &phba->sli4_hba.sli_intf),
085c647c
JS		 5998 bf_get(lpfc_sli_intf_if_type,
5999 &phba->sli4_hba.sli_intf),
6000 bf_get(lpfc_sli_intf_sli_hint1,
28baac74 6001 &phba->sli4_hba.sli_intf),
085c647c
JS		 6002 bf_get(lpfc_sli_intf_sli_hint2,
6003 &phba->sli4_hba.sli_intf),
6004 bf_get(lpfc_sli_intf_func_type,
28baac74 6005 &phba->sli4_hba.sli_intf));
2fcee4bf
JS		 6006 /*
6007 * Check for other Port errors during the initialization
6008 * process. Fail the load if the port did not come up
6009 * correctly.
6010 */
6011 if_type = bf_get(lpfc_sli_intf_if_type,
6012 &phba->sli4_hba.sli_intf);
6013 switch (if_type) {
6014 case LPFC_SLI_INTF_IF_TYPE_0:
6015 phba->sli4_hba.ue_mask_lo =
6016 readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr);
6017 phba->sli4_hba.ue_mask_hi =
6018 readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr);
6019 uerrlo_reg.word0 =
6020 readl(phba->sli4_hba.u.if_type0.UERRLOregaddr);
6021 uerrhi_reg.word0 =
6022 readl(phba->sli4_hba.u.if_type0.UERRHIregaddr);
6023 if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) ||
6024 (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) {
6025 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6026 "1422 Unrecoverable Error "
6027 "Detected during POST "
6028 "uerr_lo_reg=0x%x, "
6029 "uerr_hi_reg=0x%x, "
6030 "ue_mask_lo_reg=0x%x, "
6031 "ue_mask_hi_reg=0x%x\n",
6032 uerrlo_reg.word0,
6033 uerrhi_reg.word0,
6034 phba->sli4_hba.ue_mask_lo,
6035 phba->sli4_hba.ue_mask_hi);
6036 port_error = -ENODEV;
6037 }
6038 break;
6039 case LPFC_SLI_INTF_IF_TYPE_2:
6040 /* Final checks. The port status should be clean. */
9940b97b
JS		 6041 if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
6042 &reg_data.word0) ||
0558056c
JS		 6043 (bf_get(lpfc_sliport_status_err, &reg_data) &&
6044 !bf_get(lpfc_sliport_status_rn, &reg_data))) {
2fcee4bf
JS		 6045 phba->work_status[0] =
6046 readl(phba->sli4_hba.u.if_type2.
6047 ERR1regaddr);
6048 phba->work_status[1] =
6049 readl(phba->sli4_hba.u.if_type2.
6050 ERR2regaddr);
6051 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8fcb8acd
JS		 6052 "2888 Unrecoverable port error "
6053 "following POST: port status reg "
6054 "0x%x, port_smphr reg 0x%x, "
2fcee4bf
JS		 6055 "error 1=0x%x, error 2=0x%x\n",
6056 reg_data.word0,
6057 portsmphr_reg.word0,
6058 phba->work_status[0],
6059 phba->work_status[1]);
6060 port_error = -ENODEV;
6061 }
6062 break;
6063 case LPFC_SLI_INTF_IF_TYPE_1:
6064 default:
6065 break;
6066 }
28baac74 6067 }
da0436e9
JS		 6068 return port_error;
6069}
3772a991 6070
da0436e9
JS		 6071/**
6072 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
6073 * @phba: pointer to lpfc hba data structure.
2fcee4bf 6074 * @if_type: The SLI4 interface type getting configured.
da0436e9
JS		 6075 *
6076 * This routine is invoked to set up SLI4 BAR0 PCI config space register
6077 * memory map.
6078 **/
6079static void
2fcee4bf
JS		 6080lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type)
6081{
6082 switch (if_type) {
6083 case LPFC_SLI_INTF_IF_TYPE_0:
6084 phba->sli4_hba.u.if_type0.UERRLOregaddr =
6085 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO;
6086 phba->sli4_hba.u.if_type0.UERRHIregaddr =
6087 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI;
6088 phba->sli4_hba.u.if_type0.UEMASKLOregaddr =
6089 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO;
6090 phba->sli4_hba.u.if_type0.UEMASKHIregaddr =
6091 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI;
6092 phba->sli4_hba.SLIINTFregaddr =
6093 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
6094 break;
6095 case LPFC_SLI_INTF_IF_TYPE_2:
6096 phba->sli4_hba.u.if_type2.ERR1regaddr =
88a2cfbb
JS		 6097 phba->sli4_hba.conf_regs_memmap_p +
6098 LPFC_CTL_PORT_ER1_OFFSET;
2fcee4bf 6099 phba->sli4_hba.u.if_type2.ERR2regaddr =
88a2cfbb
JS		 6100 phba->sli4_hba.conf_regs_memmap_p +
6101 LPFC_CTL_PORT_ER2_OFFSET;
2fcee4bf 6102 phba->sli4_hba.u.if_type2.CTRLregaddr =
88a2cfbb
JS		 6103 phba->sli4_hba.conf_regs_memmap_p +
6104 LPFC_CTL_PORT_CTL_OFFSET;
2fcee4bf 6105 phba->sli4_hba.u.if_type2.STATUSregaddr =
88a2cfbb
JS		 6106 phba->sli4_hba.conf_regs_memmap_p +
6107 LPFC_CTL_PORT_STA_OFFSET;
2fcee4bf
JS		 6108 phba->sli4_hba.SLIINTFregaddr =
6109 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
6110 phba->sli4_hba.PSMPHRregaddr =
88a2cfbb
JS		 6111 phba->sli4_hba.conf_regs_memmap_p +
6112 LPFC_CTL_PORT_SEM_OFFSET;
2fcee4bf
JS		 6113 phba->sli4_hba.RQDBregaddr =
6114 phba->sli4_hba.conf_regs_memmap_p + LPFC_RQ_DOORBELL;
6115 phba->sli4_hba.WQDBregaddr =
6116 phba->sli4_hba.conf_regs_memmap_p + LPFC_WQ_DOORBELL;
6117 phba->sli4_hba.EQCQDBregaddr =
6118 phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL;
6119 phba->sli4_hba.MQDBregaddr =
6120 phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL;
6121 phba->sli4_hba.BMBXregaddr =
6122 phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX;
6123 break;
6124 case LPFC_SLI_INTF_IF_TYPE_1:
6125 default:
6126 dev_printk(KERN_ERR, &phba->pcidev->dev,
6127 "FATAL - unsupported SLI4 interface type - %d\n",
6128 if_type);
6129 break;
6130 }
da0436e9 6131}
3772a991 6132
da0436e9
JS		 6133/**
6134 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
6135 * @phba: pointer to lpfc hba data structure.
6136 *
6137 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
6138 * memory map.
6139 **/
6140static void
6141lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba)
6142{
2fcee4bf
JS		 6143 phba->sli4_hba.PSMPHRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
6144 LPFC_SLIPORT_IF0_SMPHR;
da0436e9 6145 phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6146 LPFC_HST_ISR0;
da0436e9 6147 phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6148 LPFC_HST_IMR0;
da0436e9 6149 phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6150 LPFC_HST_ISCR0;
3772a991
JS		 6151}
6152
6153/**
da0436e9 6154 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
3772a991 6155 * @phba: pointer to lpfc hba data structure.
da0436e9 6156 * @vf: virtual function number
3772a991 6157 *
da0436e9
JS		 6158 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
6159 * based on the given viftual function number, @vf.
6160 *
6161 * Return 0 if successful, otherwise -ENODEV.
3772a991 6162 **/
da0436e9
JS		 6163static int
6164lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf)
3772a991 6165{
da0436e9
JS		 6166 if (vf > LPFC_VIR_FUNC_MAX)
6167 return -ENODEV;
3772a991 6168
da0436e9
JS		 6169 phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6170 vf * LPFC_VFR_PAGE_SIZE + LPFC_RQ_DOORBELL);
6171 phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6172 vf * LPFC_VFR_PAGE_SIZE + LPFC_WQ_DOORBELL);
6173 phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6174 vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL);
6175 phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6176 vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL);
6177 phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6178 vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX);
6179 return 0;
3772a991
JS		 6180}
6181
6182/**
da0436e9 6183 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
3772a991
JS		 6184 * @phba: pointer to lpfc hba data structure.
6185 *
da0436e9
JS		 6186 * This routine is invoked to create the bootstrap mailbox
6187 * region consistent with the SLI-4 interface spec. This
6188 * routine allocates all memory necessary to communicate
6189 * mailbox commands to the port and sets up all alignment
6190 * needs. No locks are expected to be held when calling
6191 * this routine.
3772a991
JS		 6192 *
6193 * Return codes
af901ca1 6194 * 0 - successful
d439d286 6195 * -ENOMEM - could not allocated memory.
da0436e9 6196 **/
3772a991 6197static int
da0436e9 6198lpfc_create_bootstrap_mbox(struct lpfc_hba *phba)
3772a991 6199{
da0436e9
JS		 6200 uint32_t bmbx_size;
6201 struct lpfc_dmabuf *dmabuf;
6202 struct dma_address *dma_address;
6203 uint32_t pa_addr;
6204 uint64_t phys_addr;
6205
6206 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
6207 if (!dmabuf)
6208 return -ENOMEM;
3772a991 6209
da0436e9
JS		 6210 /*
6211 * The bootstrap mailbox region is comprised of 2 parts
6212 * plus an alignment restriction of 16 bytes.
6213 */
6214 bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1);
6215 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
6216 bmbx_size,
6217 &dmabuf->phys,
6218 GFP_KERNEL);
6219 if (!dmabuf->virt) {
6220 kfree(dmabuf);
6221 return -ENOMEM;
3772a991 6222 }
da0436e9 6223 memset(dmabuf->virt, 0, bmbx_size);
3772a991 6224
da0436e9
JS		 6225 /*
6226 * Initialize the bootstrap mailbox pointers now so that the register
6227 * operations are simple later. The mailbox dma address is required
6228 * to be 16-byte aligned. Also align the virtual memory as each
6229 * maibox is copied into the bmbx mailbox region before issuing the
6230 * command to the port.
6231 */
6232 phba->sli4_hba.bmbx.dmabuf = dmabuf;
6233 phba->sli4_hba.bmbx.bmbx_size = bmbx_size;
6234
6235 phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt,
6236 LPFC_ALIGN_16_BYTE);
6237 phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys,
6238 LPFC_ALIGN_16_BYTE);
6239
6240 /*
6241 * Set the high and low physical addresses now. The SLI4 alignment
6242 * requirement is 16 bytes and the mailbox is posted to the port
6243 * as two 30-bit addresses. The other data is a bit marking whether
6244 * the 30-bit address is the high or low address.
6245 * Upcast bmbx aphys to 64bits so shift instruction compiles
6246 * clean on 32 bit machines.
6247 */
6248 dma_address = &phba->sli4_hba.bmbx.dma_address;
6249 phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys;
6250 pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff);
6251 dma_address->addr_hi = (uint32_t) ((pa_addr << 2) |
6252 LPFC_BMBX_BIT1_ADDR_HI);
6253
6254 pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff);
6255 dma_address->addr_lo = (uint32_t) ((pa_addr << 2) |
6256 LPFC_BMBX_BIT1_ADDR_LO);
6257 return 0;
3772a991
JS		 6258}
6259
6260/**
da0436e9 6261 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
3772a991
JS		 6262 * @phba: pointer to lpfc hba data structure.
6263 *
da0436e9
JS		 6264 * This routine is invoked to teardown the bootstrap mailbox
6265 * region and release all host resources. This routine requires
6266 * the caller to ensure all mailbox commands recovered, no
6267 * additional mailbox comands are sent, and interrupts are disabled
6268 * before calling this routine.
6269 *
6270 **/
3772a991 6271static void
da0436e9 6272lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba)
3772a991 6273{
da0436e9
JS		 6274 dma_free_coherent(&phba->pcidev->dev,
6275 phba->sli4_hba.bmbx.bmbx_size,
6276 phba->sli4_hba.bmbx.dmabuf->virt,
6277 phba->sli4_hba.bmbx.dmabuf->phys);
6278
6279 kfree(phba->sli4_hba.bmbx.dmabuf);
6280 memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx));
3772a991
JS		 6281}
6282
6283/**
da0436e9 6284 * lpfc_sli4_read_config - Get the config parameters.
3772a991
JS		 6285 * @phba: pointer to lpfc hba data structure.
6286 *
da0436e9
JS		 6287 * This routine is invoked to read the configuration parameters from the HBA.
6288 * The configuration parameters are used to set the base and maximum values
6289 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
6290 * allocation for the port.
3772a991
JS		 6291 *
6292 * Return codes
af901ca1 6293 * 0 - successful
25985edc 6294 * -ENOMEM - No available memory
d439d286 6295 * -EIO - The mailbox failed to complete successfully.
3772a991 6296 **/
ff78d8f9 6297int
da0436e9 6298lpfc_sli4_read_config(struct lpfc_hba *phba)
3772a991 6299{
da0436e9
JS		 6300 LPFC_MBOXQ_t *pmb;
6301 struct lpfc_mbx_read_config *rd_config;
912e3acd
JS		 6302 union lpfc_sli4_cfg_shdr *shdr;
6303 uint32_t shdr_status, shdr_add_status;
6304 struct lpfc_mbx_get_func_cfg *get_func_cfg;
6305 struct lpfc_rsrc_desc_fcfcoe *desc;
8aa134a8 6306 char *pdesc_0;
912e3acd 6307 uint32_t desc_count;
8aa134a8 6308 int length, i, rc = 0, rc2;
3772a991 6309
da0436e9
JS		 6310 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
6311 if (!pmb) {
6312 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6313 "2011 Unable to allocate memory for issuing "
6314 "SLI_CONFIG_SPECIAL mailbox command\n");
6315 return -ENOMEM;
3772a991
JS		 6316 }
6317
da0436e9 6318 lpfc_read_config(phba, pmb);
3772a991 6319
da0436e9
JS		 6320 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
6321 if (rc != MBX_SUCCESS) {
6322 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6323 "2012 Mailbox failed , mbxCmd x%x "
6324 "READ_CONFIG, mbxStatus x%x\n",
6325 bf_get(lpfc_mqe_command, &pmb->u.mqe),
6326 bf_get(lpfc_mqe_status, &pmb->u.mqe));
6327 rc = -EIO;
6328 } else {
6329 rd_config = &pmb->u.mqe.un.rd_config;
ff78d8f9
JS		 6330 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) {
6331 phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL;
6332 phba->sli4_hba.lnk_info.lnk_tp =
6333 bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config);
6334 phba->sli4_hba.lnk_info.lnk_no =
6335 bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config);
6336 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6337 "3081 lnk_type:%d, lnk_numb:%d\n",
6338 phba->sli4_hba.lnk_info.lnk_tp,
6339 phba->sli4_hba.lnk_info.lnk_no);
6340 } else
6341 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
6342 "3082 Mailbox (x%x) returned ldv:x0\n",
6343 bf_get(lpfc_mqe_command, &pmb->u.mqe));
6d368e53
JS		 6344 phba->sli4_hba.extents_in_use =
6345 bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config);
da0436e9
JS		 6346 phba->sli4_hba.max_cfg_param.max_xri =
6347 bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
6348 phba->sli4_hba.max_cfg_param.xri_base =
6349 bf_get(lpfc_mbx_rd_conf_xri_base, rd_config);
6350 phba->sli4_hba.max_cfg_param.max_vpi =
6351 bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
6352 phba->sli4_hba.max_cfg_param.vpi_base =
6353 bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config);
6354 phba->sli4_hba.max_cfg_param.max_rpi =
6355 bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
6356 phba->sli4_hba.max_cfg_param.rpi_base =
6357 bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config);
6358 phba->sli4_hba.max_cfg_param.max_vfi =
6359 bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config);
6360 phba->sli4_hba.max_cfg_param.vfi_base =
6361 bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config);
6362 phba->sli4_hba.max_cfg_param.max_fcfi =
6363 bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config);
da0436e9
JS		 6364 phba->sli4_hba.max_cfg_param.max_eq =
6365 bf_get(lpfc_mbx_rd_conf_eq_count, rd_config);
6366 phba->sli4_hba.max_cfg_param.max_rq =
6367 bf_get(lpfc_mbx_rd_conf_rq_count, rd_config);
6368 phba->sli4_hba.max_cfg_param.max_wq =
6369 bf_get(lpfc_mbx_rd_conf_wq_count, rd_config);
6370 phba->sli4_hba.max_cfg_param.max_cq =
6371 bf_get(lpfc_mbx_rd_conf_cq_count, rd_config);
6372 phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config);
6373 phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base;
6374 phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base;
6375 phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base;
5ffc266e
JS		 6376 phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ?
6377 (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0;
da0436e9
JS		 6378 phba->max_vports = phba->max_vpi;
6379 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6d368e53
JS		 6380 "2003 cfg params Extents? %d "
6381 "XRI(B:%d M:%d), "
da0436e9
JS		 6382 "VPI(B:%d M:%d) "
6383 "VFI(B:%d M:%d) "
6384 "RPI(B:%d M:%d) "
6d368e53
JS		 6385 "FCFI(Count:%d)\n",
6386 phba->sli4_hba.extents_in_use,
da0436e9
JS		 6387 phba->sli4_hba.max_cfg_param.xri_base,
6388 phba->sli4_hba.max_cfg_param.max_xri,
6389 phba->sli4_hba.max_cfg_param.vpi_base,
6390 phba->sli4_hba.max_cfg_param.max_vpi,
6391 phba->sli4_hba.max_cfg_param.vfi_base,
6392 phba->sli4_hba.max_cfg_param.max_vfi,
6393 phba->sli4_hba.max_cfg_param.rpi_base,
6394 phba->sli4_hba.max_cfg_param.max_rpi,
da0436e9 6395 phba->sli4_hba.max_cfg_param.max_fcfi);
3772a991 6396 }
912e3acd
JS		 6397
6398 if (rc)
6399 goto read_cfg_out;
da0436e9
JS		 6400
6401 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
b92938b4
JS		 6402 if (phba->cfg_hba_queue_depth >
6403 (phba->sli4_hba.max_cfg_param.max_xri -
6404 lpfc_sli4_get_els_iocb_cnt(phba)))
da0436e9 6405 phba->cfg_hba_queue_depth =
b92938b4
JS		 6406 phba->sli4_hba.max_cfg_param.max_xri -
6407 lpfc_sli4_get_els_iocb_cnt(phba);
912e3acd
JS		 6408
6409 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
6410 LPFC_SLI_INTF_IF_TYPE_2)
6411 goto read_cfg_out;
6412
6413 /* get the pf# and vf# for SLI4 if_type 2 port */
6414 length = (sizeof(struct lpfc_mbx_get_func_cfg) -
6415 sizeof(struct lpfc_sli4_cfg_mhdr));
6416 lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON,
6417 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG,
6418 length, LPFC_SLI4_MBX_EMBED);
6419
8aa134a8 6420 rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
912e3acd
JS		 6421 shdr = (union lpfc_sli4_cfg_shdr *)
6422 &pmb->u.mqe.un.sli4_config.header.cfg_shdr;
6423 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
6424 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
8aa134a8 6425 if (rc2 || shdr_status || shdr_add_status) {
912e3acd
JS		 6426 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6427 "3026 Mailbox failed , mbxCmd x%x "
6428 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6429 bf_get(lpfc_mqe_command, &pmb->u.mqe),
6430 bf_get(lpfc_mqe_status, &pmb->u.mqe));
912e3acd
JS		 6431 goto read_cfg_out;
6432 }
6433
6434 /* search for fc_fcoe resrouce descriptor */
6435 get_func_cfg = &pmb->u.mqe.un.get_func_cfg;
6436 desc_count = get_func_cfg->func_cfg.rsrc_desc_count;
6437
8aa134a8
JS		 6438 pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0];
6439 desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0;
6440 length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc);
6441 if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD)
6442 length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH;
6443 else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH)
6444 goto read_cfg_out;
6445
912e3acd 6446 for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) {
8aa134a8 6447 desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i);
912e3acd 6448 if (LPFC_RSRC_DESC_TYPE_FCFCOE ==
8aa134a8 6449 bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) {
912e3acd
JS		 6450 phba->sli4_hba.iov.pf_number =
6451 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc);
6452 phba->sli4_hba.iov.vf_number =
6453 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc);
6454 break;
6455 }
6456 }
6457
6458 if (i < LPFC_RSRC_DESC_MAX_NUM)
6459 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6460 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6461 "vf_number:%d\n", phba->sli4_hba.iov.pf_number,
6462 phba->sli4_hba.iov.vf_number);
8aa134a8 6463 else
912e3acd
JS		 6464 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6465 "3028 GET_FUNCTION_CONFIG: failed to find "
6466 "Resrouce Descriptor:x%x\n",
6467 LPFC_RSRC_DESC_TYPE_FCFCOE);
912e3acd
JS		 6468
6469read_cfg_out:
6470 mempool_free(pmb, phba->mbox_mem_pool);
da0436e9 6471 return rc;
3772a991
JS		 6472}
6473
6474/**
2fcee4bf 6475 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
3772a991
JS		 6476 * @phba: pointer to lpfc hba data structure.
6477 *
2fcee4bf
JS		 6478 * This routine is invoked to setup the port-side endian order when
6479 * the port if_type is 0. This routine has no function for other
6480 * if_types.
da0436e9
JS		 6481 *
6482 * Return codes
af901ca1 6483 * 0 - successful
25985edc 6484 * -ENOMEM - No available memory
d439d286 6485 * -EIO - The mailbox failed to complete successfully.
3772a991 6486 **/
da0436e9
JS		 6487static int
6488lpfc_setup_endian_order(struct lpfc_hba *phba)
3772a991 6489{
da0436e9 6490 LPFC_MBOXQ_t *mboxq;
2fcee4bf 6491 uint32_t if_type, rc = 0;
da0436e9
JS		 6492 uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0,
6493 HOST_ENDIAN_HIGH_WORD1};
3772a991 6494
2fcee4bf
JS		 6495 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
6496 switch (if_type) {
6497 case LPFC_SLI_INTF_IF_TYPE_0:
6498 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
6499 GFP_KERNEL);
6500 if (!mboxq) {
6501 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6502 "0492 Unable to allocate memory for "
6503 "issuing SLI_CONFIG_SPECIAL mailbox "
6504 "command\n");
6505 return -ENOMEM;
6506 }
3772a991 6507
2fcee4bf
JS		 6508 /*
6509 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6510 * two words to contain special data values and no other data.
6511 */
6512 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
6513 memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data));
6514 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6515 if (rc != MBX_SUCCESS) {
6516 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6517 "0493 SLI_CONFIG_SPECIAL mailbox "
6518 "failed with status x%x\n",
6519 rc);
6520 rc = -EIO;
6521 }
6522 mempool_free(mboxq, phba->mbox_mem_pool);
6523 break;
6524 case LPFC_SLI_INTF_IF_TYPE_2:
6525 case LPFC_SLI_INTF_IF_TYPE_1:
6526 default:
6527 break;
da0436e9 6528 }
da0436e9 6529 return rc;
3772a991
JS		 6530}
6531
6532/**
5350d872 6533 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
3772a991
JS		 6534 * @phba: pointer to lpfc hba data structure.
6535 *
5350d872
JS		 6536 * This routine is invoked to check the user settable queue counts for EQs and
6537 * CQs. after this routine is called the counts will be set to valid values that
6538 * adhere to the constraints of the system's interrupt vectors and the port's
6539 * queue resources.
da0436e9
JS		 6540 *
6541 * Return codes
af901ca1 6542 * 0 - successful
25985edc 6543 * -ENOMEM - No available memory
3772a991 6544 **/
da0436e9 6545static int
5350d872 6546lpfc_sli4_queue_verify(struct lpfc_hba *phba)
3772a991 6547{
67d12733 6548 int cfg_fcp_io_channel;
90695ee0
JS		 6549 uint32_t cpu;
6550 uint32_t i = 0;
6551
3772a991 6552
da0436e9 6553 /*
67d12733 6554 * Sanity check for configured queue parameters against the run-time
da0436e9
JS		 6555 * device parameters
6556 */
3772a991 6557
67d12733
JS		 6558 /* Sanity check on HBA EQ parameters */
6559 cfg_fcp_io_channel = phba->cfg_fcp_io_channel;
6560
90695ee0
JS		 6561 /* It doesn't make sense to have more io channels then CPUs */
6562 for_each_online_cpu(cpu) {
6563 i++;
6564 }
6565 if (i < cfg_fcp_io_channel) {
82c3e9ba
JS		 6566 lpfc_printf_log(phba,
6567 KERN_ERR, LOG_INIT,
90695ee0
JS		 6568 "3188 Reducing IO channels to match number of "
6569 "CPUs: from %d to %d\n", cfg_fcp_io_channel, i);
6570 cfg_fcp_io_channel = i;
6571 }
6572
67d12733
JS		 6573 if (cfg_fcp_io_channel >
6574 phba->sli4_hba.max_cfg_param.max_eq) {
82c3e9ba
JS		 6575 if (phba->sli4_hba.max_cfg_param.max_eq <
6576 LPFC_FCP_IO_CHAN_MIN) {
da0436e9
JS		 6577 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6578 "2574 Not enough EQs (%d) from the "
6579 "pci function for supporting FCP "
6580 "EQs (%d)\n",
6581 phba->sli4_hba.max_cfg_param.max_eq,
67d12733 6582 phba->cfg_fcp_io_channel);
da0436e9
JS		 6583 goto out_error;
6584 }
82c3e9ba
JS		 6585 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6586 "2575 Reducing IO channels to match number of "
6587 "available EQs: from %d to %d\n",
6588 cfg_fcp_io_channel,
6589 phba->sli4_hba.max_cfg_param.max_eq);
6590 cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq;
da0436e9 6591 }
67d12733
JS		 6592
6593 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
6594
da0436e9 6595 /* The actual number of FCP event queues adopted */
67d12733
JS		 6596 phba->cfg_fcp_eq_count = cfg_fcp_io_channel;
6597 phba->cfg_fcp_wq_count = cfg_fcp_io_channel;
6598 phba->cfg_fcp_io_channel = cfg_fcp_io_channel;
3772a991 6599
da0436e9
JS		 6600 /* Get EQ depth from module parameter, fake the default for now */
6601 phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
6602 phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT;
3772a991 6603
5350d872
JS		 6604 /* Get CQ depth from module parameter, fake the default for now */
6605 phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
6606 phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;
6607
6608 return 0;
6609out_error:
6610 return -ENOMEM;
6611}
6612
6613/**
6614 * lpfc_sli4_queue_create - Create all the SLI4 queues
6615 * @phba: pointer to lpfc hba data structure.
6616 *
6617 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
6618 * operation. For each SLI4 queue type, the parameters such as queue entry
6619 * count (queue depth) shall be taken from the module parameter. For now,
6620 * we just use some constant number as place holder.
6621 *
6622 * Return codes
4907cb7b 6623 * 0 - successful
5350d872
JS		 6624 * -ENOMEM - No availble memory
6625 * -EIO - The mailbox failed to complete successfully.
6626 **/
6627int
6628lpfc_sli4_queue_create(struct lpfc_hba *phba)
6629{
6630 struct lpfc_queue *qdesc;
67d12733 6631 int idx;
5350d872
JS		 6632
6633 /*
67d12733 6634 * Create HBA Record arrays.
5350d872 6635 */
67d12733
JS		 6636 if (!phba->cfg_fcp_io_channel)
6637 return -ERANGE;
5350d872 6638
67d12733
JS		 6639 phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
6640 phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT;
6641 phba->sli4_hba.wq_esize = LPFC_WQE_SIZE;
6642 phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT;
6643 phba->sli4_hba.rq_esize = LPFC_RQE_SIZE;
6644 phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT;
6645
6646 phba->sli4_hba.hba_eq = kzalloc((sizeof(struct lpfc_queue *) *
6647 phba->cfg_fcp_io_channel), GFP_KERNEL);
6648 if (!phba->sli4_hba.hba_eq) {
6649 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6650 "2576 Failed allocate memory for "
6651 "fast-path EQ record array\n");
6652 goto out_error;
6653 }
6654
6655 phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) *
6656 phba->cfg_fcp_io_channel), GFP_KERNEL);
6657 if (!phba->sli4_hba.fcp_cq) {
da0436e9 6658 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
67d12733
JS		 6659 "2577 Failed allocate memory for fast-path "
6660 "CQ record array\n");
6661 goto out_error;
6662 }
6663
6664 phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) *
6665 phba->cfg_fcp_io_channel), GFP_KERNEL);
6666 if (!phba->sli4_hba.fcp_wq) {
6667 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6668 "2578 Failed allocate memory for fast-path "
6669 "WQ record array\n");
da0436e9
JS		 6670 goto out_error;
6671 }
da0436e9 6672
5350d872 6673 /*
67d12733
JS		 6674 * Since the first EQ can have multiple CQs associated with it,
6675 * this array is used to quickly see if we have a FCP fast-path
6676 * CQ match.
5350d872 6677 */
67d12733
JS		 6678 phba->sli4_hba.fcp_cq_map = kzalloc((sizeof(uint16_t) *
6679 phba->cfg_fcp_io_channel), GFP_KERNEL);
6680 if (!phba->sli4_hba.fcp_cq_map) {
6681 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6682 "2545 Failed allocate memory for fast-path "
6683 "CQ map\n");
6684 goto out_error;
da0436e9 6685 }
67d12733
JS		 6686
6687 /*
6688 * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies
6689 * how many EQs to create.
6690 */
6691 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
6692
6693 /* Create EQs */
da0436e9
JS		 6694 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
6695 phba->sli4_hba.eq_ecount);
6696 if (!qdesc) {
6697 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
67d12733
JS		 6698 "0497 Failed allocate EQ (%d)\n", idx);
6699 goto out_error;
da0436e9 6700 }
67d12733
JS		 6701 phba->sli4_hba.hba_eq[idx] = qdesc;
6702
6703 /* Create Fast Path FCP CQs */
6704 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
6705 phba->sli4_hba.cq_ecount);
6706 if (!qdesc) {
6707 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6708 "0499 Failed allocate fast-path FCP "
6709 "CQ (%d)\n", idx);
6710 goto out_error;
6711 }
6712 phba->sli4_hba.fcp_cq[idx] = qdesc;
6713
6714 /* Create Fast Path FCP WQs */
6715 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
6716 phba->sli4_hba.wq_ecount);
6717 if (!qdesc) {
6718 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6719 "0503 Failed allocate fast-path FCP "
6720 "WQ (%d)\n", idx);
6721 goto out_error;
6722 }
6723 phba->sli4_hba.fcp_wq[idx] = qdesc;
da0436e9
JS		 6724 }
6725
67d12733 6726
da0436e9 6727 /*
67d12733 6728 * Create Slow Path Completion Queues (CQs)
da0436e9
JS		 6729 */
6730
da0436e9
JS		 6731 /* Create slow-path Mailbox Command Complete Queue */
6732 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
6733 phba->sli4_hba.cq_ecount);
6734 if (!qdesc) {
6735 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6736 "0500 Failed allocate slow-path mailbox CQ\n");
67d12733 6737 goto out_error;
da0436e9
JS		 6738 }
6739 phba->sli4_hba.mbx_cq = qdesc;
6740
6741 /* Create slow-path ELS Complete Queue */
6742 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
6743 phba->sli4_hba.cq_ecount);
6744 if (!qdesc) {
6745 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6746 "0501 Failed allocate slow-path ELS CQ\n");
67d12733 6747 goto out_error;
da0436e9
JS		 6748 }
6749 phba->sli4_hba.els_cq = qdesc;
6750
da0436e9 6751
5350d872 6752 /*
67d12733 6753 * Create Slow Path Work Queues (WQs)
5350d872 6754 */
da0436e9
JS		 6755
6756 /* Create Mailbox Command Queue */
da0436e9
JS		 6757
6758 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize,
6759 phba->sli4_hba.mq_ecount);
6760 if (!qdesc) {
6761 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6762 "0505 Failed allocate slow-path MQ\n");
67d12733 6763 goto out_error;
da0436e9
JS		 6764 }
6765 phba->sli4_hba.mbx_wq = qdesc;
6766
6767 /*
67d12733 6768 * Create ELS Work Queues
da0436e9 6769 */
da0436e9
JS		 6770
6771 /* Create slow-path ELS Work Queue */
6772 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
6773 phba->sli4_hba.wq_ecount);
6774 if (!qdesc) {
6775 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6776 "0504 Failed allocate slow-path ELS WQ\n");
67d12733 6777 goto out_error;
da0436e9
JS		 6778 }
6779 phba->sli4_hba.els_wq = qdesc;
6780
da0436e9
JS		 6781 /*
6782 * Create Receive Queue (RQ)
6783 */
da0436e9
JS		 6784
6785 /* Create Receive Queue for header */
6786 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
6787 phba->sli4_hba.rq_ecount);
6788 if (!qdesc) {
6789 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6790 "0506 Failed allocate receive HRQ\n");
67d12733 6791 goto out_error;
da0436e9
JS		 6792 }
6793 phba->sli4_hba.hdr_rq = qdesc;
6794
6795 /* Create Receive Queue for data */
6796 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
6797 phba->sli4_hba.rq_ecount);
6798 if (!qdesc) {
6799 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6800 "0507 Failed allocate receive DRQ\n");
67d12733 6801 goto out_error;
da0436e9
JS		 6802 }
6803 phba->sli4_hba.dat_rq = qdesc;
6804
6805 return 0;
6806
da0436e9 6807out_error:
67d12733 6808 lpfc_sli4_queue_destroy(phba);
da0436e9
JS		 6809 return -ENOMEM;
6810}
6811
6812/**
6813 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
6814 * @phba: pointer to lpfc hba data structure.
6815 *
6816 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
6817 * operation.
6818 *
6819 * Return codes
af901ca1 6820 * 0 - successful
25985edc 6821 * -ENOMEM - No available memory
d439d286 6822 * -EIO - The mailbox failed to complete successfully.
da0436e9 6823 **/
5350d872 6824void
da0436e9
JS		 6825lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
6826{
67d12733
JS		 6827 int idx;
6828
6829 if (phba->sli4_hba.hba_eq != NULL) {
6830 /* Release HBA event queue */
6831 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
6832 if (phba->sli4_hba.hba_eq[idx] != NULL) {
6833 lpfc_sli4_queue_free(
6834 phba->sli4_hba.hba_eq[idx]);
6835 phba->sli4_hba.hba_eq[idx] = NULL;
6836 }
6837 }
6838 kfree(phba->sli4_hba.hba_eq);
6839 phba->sli4_hba.hba_eq = NULL;
6840 }
6841
6842 if (phba->sli4_hba.fcp_cq != NULL) {
6843 /* Release FCP completion queue */
6844 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
6845 if (phba->sli4_hba.fcp_cq[idx] != NULL) {
6846 lpfc_sli4_queue_free(
6847 phba->sli4_hba.fcp_cq[idx]);
6848 phba->sli4_hba.fcp_cq[idx] = NULL;
6849 }
6850 }
6851 kfree(phba->sli4_hba.fcp_cq);
6852 phba->sli4_hba.fcp_cq = NULL;
6853 }
6854
6855 if (phba->sli4_hba.fcp_wq != NULL) {
6856 /* Release FCP work queue */
6857 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
6858 if (phba->sli4_hba.fcp_wq[idx] != NULL) {
6859 lpfc_sli4_queue_free(
6860 phba->sli4_hba.fcp_wq[idx]);
6861 phba->sli4_hba.fcp_wq[idx] = NULL;
6862 }
6863 }
6864 kfree(phba->sli4_hba.fcp_wq);
6865 phba->sli4_hba.fcp_wq = NULL;
6866 }
6867
6868 /* Release FCP CQ mapping array */
6869 if (phba->sli4_hba.fcp_cq_map != NULL) {
6870 kfree(phba->sli4_hba.fcp_cq_map);
6871 phba->sli4_hba.fcp_cq_map = NULL;
6872 }
da0436e9
JS		 6873
6874 /* Release mailbox command work queue */
67d12733
JS		 6875 if (phba->sli4_hba.mbx_wq != NULL) {
6876 lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
6877 phba->sli4_hba.mbx_wq = NULL;
6878 }
da0436e9
JS		 6879
6880 /* Release ELS work queue */
67d12733
JS		 6881 if (phba->sli4_hba.els_wq != NULL) {
6882 lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
6883 phba->sli4_hba.els_wq = NULL;
6884 }
da0436e9
JS		 6885
6886 /* Release unsolicited receive queue */
67d12733
JS		 6887 if (phba->sli4_hba.hdr_rq != NULL) {
6888 lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
6889 phba->sli4_hba.hdr_rq = NULL;
6890 }
6891 if (phba->sli4_hba.dat_rq != NULL) {
6892 lpfc_sli4_queue_free(phba->sli4_hba.dat_rq);
6893 phba->sli4_hba.dat_rq = NULL;
6894 }
da0436e9 6895
da0436e9 6896 /* Release ELS complete queue */
67d12733
JS		 6897 if (phba->sli4_hba.els_cq != NULL) {
6898 lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
6899 phba->sli4_hba.els_cq = NULL;
6900 }
da0436e9
JS		 6901
6902 /* Release mailbox command complete queue */
67d12733
JS		 6903 if (phba->sli4_hba.mbx_cq != NULL) {
6904 lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
6905 phba->sli4_hba.mbx_cq = NULL;
6906 }
da0436e9
JS		 6907
6908 return;
6909}
6910
6911/**
6912 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
6913 * @phba: pointer to lpfc hba data structure.
6914 *
6915 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
6916 * operation.
6917 *
6918 * Return codes
af901ca1 6919 * 0 - successful
25985edc 6920 * -ENOMEM - No available memory
d439d286 6921 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 6922 **/
6923int
6924lpfc_sli4_queue_setup(struct lpfc_hba *phba)
6925{
2a76a283
JS		 6926 struct lpfc_sli *psli = &phba->sli;
6927 struct lpfc_sli_ring *pring;
da0436e9
JS		 6928 int rc = -ENOMEM;
6929 int fcp_eqidx, fcp_cqidx, fcp_wqidx;
6930 int fcp_cq_index = 0;
6931
6932 /*
67d12733 6933 * Set up HBA Event Queues (EQs)
da0436e9
JS		 6934 */
6935
67d12733
JS		 6936 /* Set up HBA event queue */
6937 if (phba->cfg_fcp_io_channel && !phba->sli4_hba.hba_eq) {
2e90f4b5
JS		 6938 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6939 "3147 Fast-path EQs not allocated\n");
1b51197d 6940 rc = -ENOMEM;
67d12733 6941 goto out_error;
2e90f4b5 6942 }
67d12733
JS		 6943 for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel; fcp_eqidx++) {
6944 if (!phba->sli4_hba.hba_eq[fcp_eqidx]) {
da0436e9
JS		 6945 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6946 "0522 Fast-path EQ (%d) not "
6947 "allocated\n", fcp_eqidx);
1b51197d 6948 rc = -ENOMEM;
67d12733 6949 goto out_destroy_hba_eq;
da0436e9 6950 }
67d12733 6951 rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[fcp_eqidx],
bf8dae83 6952 (phba->cfg_fcp_imax / phba->cfg_fcp_io_channel));
da0436e9
JS		 6953 if (rc) {
6954 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6955 "0523 Failed setup of fast-path EQ "
6956 "(%d), rc = 0x%x\n", fcp_eqidx, rc);
67d12733 6957 goto out_destroy_hba_eq;
da0436e9
JS		 6958 }
6959 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
67d12733 6960 "2584 HBA EQ setup: "
da0436e9 6961 "queue[%d]-id=%d\n", fcp_eqidx,
67d12733 6962 phba->sli4_hba.hba_eq[fcp_eqidx]->queue_id);
da0436e9
JS		 6963 }
6964
67d12733
JS		 6965 /* Set up fast-path FCP Response Complete Queue */
6966 if (!phba->sli4_hba.fcp_cq) {
6967 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6968 "3148 Fast-path FCP CQ array not "
6969 "allocated\n");
6970 rc = -ENOMEM;
6971 goto out_destroy_hba_eq;
6972 }
6973
6974 for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_io_channel; fcp_cqidx++) {
6975 if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) {
6976 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6977 "0526 Fast-path FCP CQ (%d) not "
6978 "allocated\n", fcp_cqidx);
6979 rc = -ENOMEM;
6980 goto out_destroy_fcp_cq;
6981 }
6982 rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx],
6983 phba->sli4_hba.hba_eq[fcp_cqidx], LPFC_WCQ, LPFC_FCP);
6984 if (rc) {
6985 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6986 "0527 Failed setup of fast-path FCP "
6987 "CQ (%d), rc = 0x%x\n", fcp_cqidx, rc);
6988 goto out_destroy_fcp_cq;
6989 }
6990
6991 /* Setup fcp_cq_map for fast lookup */
6992 phba->sli4_hba.fcp_cq_map[fcp_cqidx] =
6993 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id;
6994
6995 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6996 "2588 FCP CQ setup: cq[%d]-id=%d, "
6997 "parent seq[%d]-id=%d\n",
6998 fcp_cqidx,
6999 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id,
7000 fcp_cqidx,
7001 phba->sli4_hba.hba_eq[fcp_cqidx]->queue_id);
7002 }
7003
7004 /* Set up fast-path FCP Work Queue */
7005 if (!phba->sli4_hba.fcp_wq) {
7006 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7007 "3149 Fast-path FCP WQ array not "
7008 "allocated\n");
7009 rc = -ENOMEM;
7010 goto out_destroy_fcp_cq;
7011 }
7012
7013 for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++) {
7014 if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) {
7015 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7016 "0534 Fast-path FCP WQ (%d) not "
7017 "allocated\n", fcp_wqidx);
7018 rc = -ENOMEM;
7019 goto out_destroy_fcp_wq;
7020 }
7021 rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx],
7022 phba->sli4_hba.fcp_cq[fcp_wqidx],
7023 LPFC_FCP);
7024 if (rc) {
7025 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7026 "0535 Failed setup of fast-path FCP "
7027 "WQ (%d), rc = 0x%x\n", fcp_wqidx, rc);
7028 goto out_destroy_fcp_wq;
7029 }
7030
7031 /* Bind this WQ to the next FCP ring */
7032 pring = &psli->ring[MAX_SLI3_CONFIGURED_RINGS + fcp_wqidx];
7033 pring->sli.sli4.wqp = (void *)phba->sli4_hba.fcp_wq[fcp_wqidx];
7034 phba->sli4_hba.fcp_cq[fcp_wqidx]->pring = pring;
7035
7036 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7037 "2591 FCP WQ setup: wq[%d]-id=%d, "
7038 "parent cq[%d]-id=%d\n",
7039 fcp_wqidx,
7040 phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id,
7041 fcp_cq_index,
7042 phba->sli4_hba.fcp_cq[fcp_wqidx]->queue_id);
7043 }
da0436e9
JS		 7044 /*
7045 * Set up Complete Queues (CQs)
7046 */
7047
7048 /* Set up slow-path MBOX Complete Queue as the first CQ */
7049 if (!phba->sli4_hba.mbx_cq) {
7050 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7051 "0528 Mailbox CQ not allocated\n");
1b51197d 7052 rc = -ENOMEM;
67d12733 7053 goto out_destroy_fcp_wq;
da0436e9 7054 }
67d12733
JS		 7055 rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq,
7056 phba->sli4_hba.hba_eq[0], LPFC_MCQ, LPFC_MBOX);
da0436e9
JS		 7057 if (rc) {
7058 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7059 "0529 Failed setup of slow-path mailbox CQ: "
7060 "rc = 0x%x\n", rc);
67d12733 7061 goto out_destroy_fcp_wq;
da0436e9
JS		 7062 }
7063 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7064 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
7065 phba->sli4_hba.mbx_cq->queue_id,
67d12733 7066 phba->sli4_hba.hba_eq[0]->queue_id);
da0436e9
JS		 7067
7068 /* Set up slow-path ELS Complete Queue */
7069 if (!phba->sli4_hba.els_cq) {
7070 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7071 "0530 ELS CQ not allocated\n");
1b51197d 7072 rc = -ENOMEM;
da0436e9
JS		 7073 goto out_destroy_mbx_cq;
7074 }
67d12733
JS		 7075 rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq,
7076 phba->sli4_hba.hba_eq[0], LPFC_WCQ, LPFC_ELS);
da0436e9
JS		 7077 if (rc) {
7078 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7079 "0531 Failed setup of slow-path ELS CQ: "
7080 "rc = 0x%x\n", rc);
7081 goto out_destroy_mbx_cq;
7082 }
7083 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7084 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
7085 phba->sli4_hba.els_cq->queue_id,
67d12733 7086 phba->sli4_hba.hba_eq[0]->queue_id);
da0436e9
JS		 7087
7088 /*
7089 * Set up all the Work Queues (WQs)
7090 */
7091
7092 /* Set up Mailbox Command Queue */
7093 if (!phba->sli4_hba.mbx_wq) {
7094 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7095 "0538 Slow-path MQ not allocated\n");
1b51197d 7096 rc = -ENOMEM;
67d12733 7097 goto out_destroy_els_cq;
da0436e9
JS		 7098 }
7099 rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq,
7100 phba->sli4_hba.mbx_cq, LPFC_MBOX);
7101 if (rc) {
7102 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7103 "0539 Failed setup of slow-path MQ: "
7104 "rc = 0x%x\n", rc);
67d12733 7105 goto out_destroy_els_cq;
da0436e9
JS		 7106 }
7107 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7108 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
7109 phba->sli4_hba.mbx_wq->queue_id,
7110 phba->sli4_hba.mbx_cq->queue_id);
7111
7112 /* Set up slow-path ELS Work Queue */
7113 if (!phba->sli4_hba.els_wq) {
7114 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7115 "0536 Slow-path ELS WQ not allocated\n");
1b51197d 7116 rc = -ENOMEM;
da0436e9
JS		 7117 goto out_destroy_mbx_wq;
7118 }
7119 rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq,
7120 phba->sli4_hba.els_cq, LPFC_ELS);
7121 if (rc) {
7122 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7123 "0537 Failed setup of slow-path ELS WQ: "
7124 "rc = 0x%x\n", rc);
7125 goto out_destroy_mbx_wq;
7126 }
2a76a283
JS		 7127
7128 /* Bind this WQ to the ELS ring */
7129 pring = &psli->ring[LPFC_ELS_RING];
7130 pring->sli.sli4.wqp = (void *)phba->sli4_hba.els_wq;
7131 phba->sli4_hba.els_cq->pring = pring;
7132
da0436e9
JS		 7133 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7134 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
7135 phba->sli4_hba.els_wq->queue_id,
7136 phba->sli4_hba.els_cq->queue_id);
7137
da0436e9
JS		 7138 /*
7139 * Create Receive Queue (RQ)
7140 */
7141 if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) {
7142 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7143 "0540 Receive Queue not allocated\n");
1b51197d 7144 rc = -ENOMEM;
67d12733 7145 goto out_destroy_els_wq;
da0436e9 7146 }
73d91e50
JS		 7147
7148 lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ);
7149 lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ);
7150
da0436e9 7151 rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
4d9ab994 7152 phba->sli4_hba.els_cq, LPFC_USOL);
da0436e9
JS		 7153 if (rc) {
7154 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7155 "0541 Failed setup of Receive Queue: "
7156 "rc = 0x%x\n", rc);
7157 goto out_destroy_fcp_wq;
7158 }
73d91e50 7159
da0436e9
JS		 7160 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7161 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
7162 "parent cq-id=%d\n",
7163 phba->sli4_hba.hdr_rq->queue_id,
7164 phba->sli4_hba.dat_rq->queue_id,
4d9ab994 7165 phba->sli4_hba.els_cq->queue_id);
da0436e9
JS		 7166 return 0;
7167
2e90f4b5 7168out_destroy_els_wq:
da0436e9
JS		 7169 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
7170out_destroy_mbx_wq:
7171 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
2e90f4b5 7172out_destroy_els_cq:
da0436e9
JS		 7173 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
7174out_destroy_mbx_cq:
7175 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
67d12733
JS		 7176out_destroy_fcp_wq:
7177 for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--)
7178 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]);
7179out_destroy_fcp_cq:
7180 for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--)
7181 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]);
7182out_destroy_hba_eq:
da0436e9 7183 for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--)
67d12733 7184 lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_eqidx]);
da0436e9
JS		 7185out_error:
7186 return rc;
7187}
7188
7189/**
7190 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
7191 * @phba: pointer to lpfc hba data structure.
7192 *
7193 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
7194 * operation.
7195 *
7196 * Return codes
af901ca1 7197 * 0 - successful
25985edc 7198 * -ENOMEM - No available memory
d439d286 7199 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7200 **/
7201void
7202lpfc_sli4_queue_unset(struct lpfc_hba *phba)
7203{
7204 int fcp_qidx;
7205
7206 /* Unset mailbox command work queue */
7207 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
7208 /* Unset ELS work queue */
7209 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
7210 /* Unset unsolicited receive queue */
7211 lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
7212 /* Unset FCP work queue */
67d12733
JS		 7213 if (phba->sli4_hba.fcp_wq) {
7214 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
7215 fcp_qidx++)
7216 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]);
7217 }
da0436e9
JS		 7218 /* Unset mailbox command complete queue */
7219 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
7220 /* Unset ELS complete queue */
7221 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
da0436e9 7222 /* Unset FCP response complete queue */
2e90f4b5 7223 if (phba->sli4_hba.fcp_cq) {
67d12733
JS		 7224 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
7225 fcp_qidx++)
2e90f4b5 7226 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]);
2e90f4b5 7227 }
da0436e9 7228 /* Unset fast-path event queue */
67d12733
JS		 7229 if (phba->sli4_hba.hba_eq) {
7230 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
2e90f4b5 7231 fcp_qidx++)
67d12733 7232 lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_qidx]);
2e90f4b5 7233 }
da0436e9
JS		 7234}
7235
7236/**
7237 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
7238 * @phba: pointer to lpfc hba data structure.
7239 *
7240 * This routine is invoked to allocate and set up a pool of completion queue
7241 * events. The body of the completion queue event is a completion queue entry
7242 * CQE. For now, this pool is used for the interrupt service routine to queue
7243 * the following HBA completion queue events for the worker thread to process:
7244 * - Mailbox asynchronous events
7245 * - Receive queue completion unsolicited events
7246 * Later, this can be used for all the slow-path events.
7247 *
7248 * Return codes
af901ca1 7249 * 0 - successful
25985edc 7250 * -ENOMEM - No available memory
da0436e9
JS		 7251 **/
7252static int
7253lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba)
7254{
7255 struct lpfc_cq_event *cq_event;
7256 int i;
7257
7258 for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) {
7259 cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL);
7260 if (!cq_event)
7261 goto out_pool_create_fail;
7262 list_add_tail(&cq_event->list,
7263 &phba->sli4_hba.sp_cqe_event_pool);
7264 }
7265 return 0;
7266
7267out_pool_create_fail:
7268 lpfc_sli4_cq_event_pool_destroy(phba);
7269 return -ENOMEM;
7270}
7271
7272/**
7273 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
7274 * @phba: pointer to lpfc hba data structure.
7275 *
7276 * This routine is invoked to free the pool of completion queue events at
7277 * driver unload time. Note that, it is the responsibility of the driver
7278 * cleanup routine to free all the outstanding completion-queue events
7279 * allocated from this pool back into the pool before invoking this routine
7280 * to destroy the pool.
7281 **/
7282static void
7283lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba)
7284{
7285 struct lpfc_cq_event *cq_event, *next_cq_event;
7286
7287 list_for_each_entry_safe(cq_event, next_cq_event,
7288 &phba->sli4_hba.sp_cqe_event_pool, list) {
7289 list_del(&cq_event->list);
7290 kfree(cq_event);
7291 }
7292}
7293
7294/**
7295 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7296 * @phba: pointer to lpfc hba data structure.
7297 *
7298 * This routine is the lock free version of the API invoked to allocate a
7299 * completion-queue event from the free pool.
7300 *
7301 * Return: Pointer to the newly allocated completion-queue event if successful
7302 * NULL otherwise.
7303 **/
7304struct lpfc_cq_event *
7305__lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
7306{
7307 struct lpfc_cq_event *cq_event = NULL;
7308
7309 list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event,
7310 struct lpfc_cq_event, list);
7311 return cq_event;
7312}
7313
7314/**
7315 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7316 * @phba: pointer to lpfc hba data structure.
7317 *
7318 * This routine is the lock version of the API invoked to allocate a
7319 * completion-queue event from the free pool.
7320 *
7321 * Return: Pointer to the newly allocated completion-queue event if successful
7322 * NULL otherwise.
7323 **/
7324struct lpfc_cq_event *
7325lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
7326{
7327 struct lpfc_cq_event *cq_event;
7328 unsigned long iflags;
7329
7330 spin_lock_irqsave(&phba->hbalock, iflags);
7331 cq_event = __lpfc_sli4_cq_event_alloc(phba);
7332 spin_unlock_irqrestore(&phba->hbalock, iflags);
7333 return cq_event;
7334}
7335
7336/**
7337 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7338 * @phba: pointer to lpfc hba data structure.
7339 * @cq_event: pointer to the completion queue event to be freed.
7340 *
7341 * This routine is the lock free version of the API invoked to release a
7342 * completion-queue event back into the free pool.
7343 **/
7344void
7345__lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
7346 struct lpfc_cq_event *cq_event)
7347{
7348 list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool);
7349}
7350
7351/**
7352 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7353 * @phba: pointer to lpfc hba data structure.
7354 * @cq_event: pointer to the completion queue event to be freed.
7355 *
7356 * This routine is the lock version of the API invoked to release a
7357 * completion-queue event back into the free pool.
7358 **/
7359void
7360lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
7361 struct lpfc_cq_event *cq_event)
7362{
7363 unsigned long iflags;
7364 spin_lock_irqsave(&phba->hbalock, iflags);
7365 __lpfc_sli4_cq_event_release(phba, cq_event);
7366 spin_unlock_irqrestore(&phba->hbalock, iflags);
7367}
7368
7369/**
7370 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
7371 * @phba: pointer to lpfc hba data structure.
7372 *
7373 * This routine is to free all the pending completion-queue events to the
7374 * back into the free pool for device reset.
7375 **/
7376static void
7377lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba)
7378{
7379 LIST_HEAD(cqelist);
7380 struct lpfc_cq_event *cqe;
7381 unsigned long iflags;
7382
7383 /* Retrieve all the pending WCQEs from pending WCQE lists */
7384 spin_lock_irqsave(&phba->hbalock, iflags);
7385 /* Pending FCP XRI abort events */
7386 list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue,
7387 &cqelist);
7388 /* Pending ELS XRI abort events */
7389 list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue,
7390 &cqelist);
7391 /* Pending asynnc events */
7392 list_splice_init(&phba->sli4_hba.sp_asynce_work_queue,
7393 &cqelist);
7394 spin_unlock_irqrestore(&phba->hbalock, iflags);
7395
7396 while (!list_empty(&cqelist)) {
7397 list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list);
7398 lpfc_sli4_cq_event_release(phba, cqe);
7399 }
7400}
7401
7402/**
7403 * lpfc_pci_function_reset - Reset pci function.
7404 * @phba: pointer to lpfc hba data structure.
7405 *
7406 * This routine is invoked to request a PCI function reset. It will destroys
7407 * all resources assigned to the PCI function which originates this request.
7408 *
7409 * Return codes
af901ca1 7410 * 0 - successful
25985edc 7411 * -ENOMEM - No available memory
d439d286 7412 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7413 **/
7414int
7415lpfc_pci_function_reset(struct lpfc_hba *phba)
7416{
7417 LPFC_MBOXQ_t *mboxq;
2fcee4bf 7418 uint32_t rc = 0, if_type;
da0436e9 7419 uint32_t shdr_status, shdr_add_status;
2fcee4bf 7420 uint32_t rdy_chk, num_resets = 0, reset_again = 0;
da0436e9 7421 union lpfc_sli4_cfg_shdr *shdr;
2fcee4bf 7422 struct lpfc_register reg_data;
2b81f942 7423 uint16_t devid;
da0436e9 7424
2fcee4bf
JS		 7425 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
7426 switch (if_type) {
7427 case LPFC_SLI_INTF_IF_TYPE_0:
7428 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
7429 GFP_KERNEL);
7430 if (!mboxq) {
7431 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7432 "0494 Unable to allocate memory for "
7433 "issuing SLI_FUNCTION_RESET mailbox "
7434 "command\n");
7435 return -ENOMEM;
7436 }
da0436e9 7437
2fcee4bf
JS		 7438 /* Setup PCI function reset mailbox-ioctl command */
7439 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
7440 LPFC_MBOX_OPCODE_FUNCTION_RESET, 0,
7441 LPFC_SLI4_MBX_EMBED);
7442 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
7443 shdr = (union lpfc_sli4_cfg_shdr *)
7444 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
7445 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
7446 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
7447 &shdr->response);
7448 if (rc != MBX_TIMEOUT)
7449 mempool_free(mboxq, phba->mbox_mem_pool);
7450 if (shdr_status || shdr_add_status || rc) {
7451 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7452 "0495 SLI_FUNCTION_RESET mailbox "
7453 "failed with status x%x add_status x%x,"
7454 " mbx status x%x\n",
7455 shdr_status, shdr_add_status, rc);
7456 rc = -ENXIO;
7457 }
7458 break;
7459 case LPFC_SLI_INTF_IF_TYPE_2:
7460 for (num_resets = 0;
7461 num_resets < MAX_IF_TYPE_2_RESETS;
7462 num_resets++) {
7463 reg_data.word0 = 0;
7464 bf_set(lpfc_sliport_ctrl_end, &reg_data,
7465 LPFC_SLIPORT_LITTLE_ENDIAN);
7466 bf_set(lpfc_sliport_ctrl_ip, &reg_data,
7467 LPFC_SLIPORT_INIT_PORT);
7468 writel(reg_data.word0, phba->sli4_hba.u.if_type2.
7469 CTRLregaddr);
8fcb8acd 7470 /* flush */
2b81f942
JS		 7471 pci_read_config_word(phba->pcidev,
7472 PCI_DEVICE_ID, &devid);
2fcee4bf
JS		 7473 /*
7474 * Poll the Port Status Register and wait for RDY for
7475 * up to 10 seconds. If the port doesn't respond, treat
7476 * it as an error. If the port responds with RN, start
7477 * the loop again.
7478 */
7479 for (rdy_chk = 0; rdy_chk < 1000; rdy_chk++) {
73d91e50 7480 msleep(10);
9940b97b
JS		 7481 if (lpfc_readl(phba->sli4_hba.u.if_type2.
7482 STATUSregaddr, &reg_data.word0)) {
7483 rc = -ENODEV;
73d91e50 7484 goto out;
9940b97b 7485 }
6b5151fd 7486 if (bf_get(lpfc_sliport_status_rn, &reg_data))
2fcee4bf 7487 reset_again++;
6b5151fd 7488 if (bf_get(lpfc_sliport_status_rdy, &reg_data))
2fcee4bf 7489 break;
2fcee4bf
JS		 7490 }
7491
7492 /*
7493 * If the port responds to the init request with
7494 * reset needed, delay for a bit and restart the loop.
7495 */
6b5151fd 7496 if (reset_again && (rdy_chk < 1000)) {
2fcee4bf
JS		 7497 msleep(10);
7498 reset_again = 0;
7499 continue;
7500 }
7501
7502 /* Detect any port errors. */
2fcee4bf
JS		 7503 if ((bf_get(lpfc_sliport_status_err, &reg_data)) ||
7504 (rdy_chk >= 1000)) {
7505 phba->work_status[0] = readl(
7506 phba->sli4_hba.u.if_type2.ERR1regaddr);
7507 phba->work_status[1] = readl(
7508 phba->sli4_hba.u.if_type2.ERR2regaddr);
7509 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8fcb8acd 7510 "2890 Port error detected during port "
8a9d2e80
JS		 7511 "reset(%d): wait_tmo:%d ms, "
7512 "port status reg 0x%x, "
2fcee4bf 7513 "error 1=0x%x, error 2=0x%x\n",
8a9d2e80
JS		 7514 num_resets, rdy_chk*10,
7515 reg_data.word0,
2fcee4bf
JS		 7516 phba->work_status[0],
7517 phba->work_status[1]);
7518 rc = -ENODEV;
7519 }
7520
7521 /*
7522 * Terminate the outer loop provided the Port indicated
7523 * ready within 10 seconds.
7524 */
7525 if (rdy_chk < 1000)
7526 break;
7527 }
0558056c
JS		 7528 /* delay driver action following IF_TYPE_2 function reset */
7529 msleep(100);
2fcee4bf
JS		 7530 break;
7531 case LPFC_SLI_INTF_IF_TYPE_1:
7532 default:
7533 break;
da0436e9 7534 }
2fcee4bf 7535
73d91e50 7536out:
2fcee4bf
JS		 7537 /* Catch the not-ready port failure after a port reset. */
7538 if (num_resets >= MAX_IF_TYPE_2_RESETS)
7539 rc = -ENODEV;
7540
da0436e9
JS		 7541 return rc;
7542}
7543
7544/**
7545 * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands
7546 * @phba: pointer to lpfc hba data structure.
7547 * @cnt: number of nop mailbox commands to send.
7548 *
7549 * This routine is invoked to send a number @cnt of NOP mailbox command and
7550 * wait for each command to complete.
7551 *
7552 * Return: the number of NOP mailbox command completed.
7553 **/
7554static int
7555lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba *phba, uint32_t cnt)
7556{
7557 LPFC_MBOXQ_t *mboxq;
7558 int length, cmdsent;
7559 uint32_t mbox_tmo;
7560 uint32_t rc = 0;
7561 uint32_t shdr_status, shdr_add_status;
7562 union lpfc_sli4_cfg_shdr *shdr;
7563
7564 if (cnt == 0) {
7565 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
7566 "2518 Requested to send 0 NOP mailbox cmd\n");
7567 return cnt;
7568 }
7569
7570 mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
7571 if (!mboxq) {
7572 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7573 "2519 Unable to allocate memory for issuing "
7574 "NOP mailbox command\n");
7575 return 0;
7576 }
7577
7578 /* Set up NOP SLI4_CONFIG mailbox-ioctl command */
7579 length = (sizeof(struct lpfc_mbx_nop) -
7580 sizeof(struct lpfc_sli4_cfg_mhdr));
da0436e9 7581
da0436e9 7582 for (cmdsent = 0; cmdsent < cnt; cmdsent++) {
59df3acf
JS		 7583 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
7584 LPFC_MBOX_OPCODE_NOP, length,
7585 LPFC_SLI4_MBX_EMBED);
da0436e9
JS		 7586 if (!phba->sli4_hba.intr_enable)
7587 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
a183a15f
JS		 7588 else {
7589 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
da0436e9 7590 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
a183a15f 7591 }
da0436e9
JS		 7592 if (rc == MBX_TIMEOUT)
7593 break;
7594 /* Check return status */
7595 shdr = (union lpfc_sli4_cfg_shdr *)
7596 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
7597 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
7598 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
7599 &shdr->response);
7600 if (shdr_status || shdr_add_status || rc) {
7601 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
7602 "2520 NOP mailbox command failed "
7603 "status x%x add_status x%x mbx "
7604 "status x%x\n", shdr_status,
7605 shdr_add_status, rc);
7606 break;
7607 }
7608 }
7609
7610 if (rc != MBX_TIMEOUT)
7611 mempool_free(mboxq, phba->mbox_mem_pool);
7612
7613 return cmdsent;
7614}
7615
da0436e9
JS		 7616/**
7617 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
7618 * @phba: pointer to lpfc hba data structure.
7619 *
7620 * This routine is invoked to set up the PCI device memory space for device
7621 * with SLI-4 interface spec.
7622 *
7623 * Return codes
af901ca1 7624 * 0 - successful
da0436e9
JS		 7625 * other values - error
7626 **/
7627static int
7628lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
7629{
7630 struct pci_dev *pdev;
7631 unsigned long bar0map_len, bar1map_len, bar2map_len;
7632 int error = -ENODEV;
2fcee4bf 7633 uint32_t if_type;
da0436e9
JS		 7634
7635 /* Obtain PCI device reference */
7636 if (!phba->pcidev)
7637 return error;
7638 else
7639 pdev = phba->pcidev;
7640
7641 /* Set the device DMA mask size */
8e68597d
MR		 7642 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
7643 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
7644 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
7645 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
da0436e9 7646 return error;
8e68597d
MR		 7647 }
7648 }
da0436e9 7649
2fcee4bf
JS		 7650 /*
7651 * The BARs and register set definitions and offset locations are
7652 * dependent on the if_type.
7653 */
7654 if (pci_read_config_dword(pdev, LPFC_SLI_INTF,
7655 &phba->sli4_hba.sli_intf.word0)) {
7656 return error;
7657 }
7658
7659 /* There is no SLI3 failback for SLI4 devices. */
7660 if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) !=
7661 LPFC_SLI_INTF_VALID) {
7662 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7663 "2894 SLI_INTF reg contents invalid "
7664 "sli_intf reg 0x%x\n",
7665 phba->sli4_hba.sli_intf.word0);
7666 return error;
7667 }
7668
7669 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
7670 /*
7671 * Get the bus address of SLI4 device Bar regions and the
7672 * number of bytes required by each mapping. The mapping of the
7673 * particular PCI BARs regions is dependent on the type of
7674 * SLI4 device.
da0436e9 7675 */
1dfb5a47
JS		 7676 if (pci_resource_start(pdev, 0)) {
7677 phba->pci_bar0_map = pci_resource_start(pdev, 0);
7678 bar0map_len = pci_resource_len(pdev, 0);
2fcee4bf
JS		 7679
7680 /*
7681 * Map SLI4 PCI Config Space Register base to a kernel virtual
7682 * addr
7683 */
7684 phba->sli4_hba.conf_regs_memmap_p =
7685 ioremap(phba->pci_bar0_map, bar0map_len);
7686 if (!phba->sli4_hba.conf_regs_memmap_p) {
7687 dev_printk(KERN_ERR, &pdev->dev,
7688 "ioremap failed for SLI4 PCI config "
7689 "registers.\n");
7690 goto out;
7691 }
7692 /* Set up BAR0 PCI config space register memory map */
7693 lpfc_sli4_bar0_register_memmap(phba, if_type);
1dfb5a47
JS		 7694 } else {
7695 phba->pci_bar0_map = pci_resource_start(pdev, 1);
7696 bar0map_len = pci_resource_len(pdev, 1);
2fcee4bf
JS		 7697 if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
7698 dev_printk(KERN_ERR, &pdev->dev,
7699 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
7700 goto out;
7701 }
7702 phba->sli4_hba.conf_regs_memmap_p =
da0436e9 7703 ioremap(phba->pci_bar0_map, bar0map_len);
2fcee4bf
JS		 7704 if (!phba->sli4_hba.conf_regs_memmap_p) {
7705 dev_printk(KERN_ERR, &pdev->dev,
7706 "ioremap failed for SLI4 PCI config "
7707 "registers.\n");
7708 goto out;
7709 }
7710 lpfc_sli4_bar0_register_memmap(phba, if_type);
da0436e9
JS		 7711 }
7712
c31098ce
JS		 7713 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
7714 (pci_resource_start(pdev, 2))) {
2fcee4bf
JS		 7715 /*
7716 * Map SLI4 if type 0 HBA Control Register base to a kernel
7717 * virtual address and setup the registers.
7718 */
7719 phba->pci_bar1_map = pci_resource_start(pdev, 2);
7720 bar1map_len = pci_resource_len(pdev, 2);
7721 phba->sli4_hba.ctrl_regs_memmap_p =
da0436e9 7722 ioremap(phba->pci_bar1_map, bar1map_len);
2fcee4bf
JS		 7723 if (!phba->sli4_hba.ctrl_regs_memmap_p) {
7724 dev_printk(KERN_ERR, &pdev->dev,
da0436e9 7725 "ioremap failed for SLI4 HBA control registers.\n");
2fcee4bf
JS		 7726 goto out_iounmap_conf;
7727 }
7728 lpfc_sli4_bar1_register_memmap(phba);
da0436e9
JS		 7729 }
7730
c31098ce
JS		 7731 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
7732 (pci_resource_start(pdev, 4))) {
2fcee4bf
JS		 7733 /*
7734 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
7735 * virtual address and setup the registers.
7736 */
7737 phba->pci_bar2_map = pci_resource_start(pdev, 4);
7738 bar2map_len = pci_resource_len(pdev, 4);
7739 phba->sli4_hba.drbl_regs_memmap_p =
da0436e9 7740 ioremap(phba->pci_bar2_map, bar2map_len);
2fcee4bf
JS		 7741 if (!phba->sli4_hba.drbl_regs_memmap_p) {
7742 dev_printk(KERN_ERR, &pdev->dev,
da0436e9 7743 "ioremap failed for SLI4 HBA doorbell registers.\n");
2fcee4bf
JS		 7744 goto out_iounmap_ctrl;
7745 }
7746 error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0);
7747 if (error)
7748 goto out_iounmap_all;
da0436e9
JS		 7749 }
7750
da0436e9
JS		 7751 return 0;
7752
7753out_iounmap_all:
7754 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
7755out_iounmap_ctrl:
7756 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
7757out_iounmap_conf:
7758 iounmap(phba->sli4_hba.conf_regs_memmap_p);
7759out:
7760 return error;
7761}
7762
7763/**
7764 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
7765 * @phba: pointer to lpfc hba data structure.
7766 *
7767 * This routine is invoked to unset the PCI device memory space for device
7768 * with SLI-4 interface spec.
7769 **/
7770static void
7771lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba)
7772{
2e90f4b5
JS		 7773 uint32_t if_type;
7774 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
da0436e9 7775
2e90f4b5
JS		 7776 switch (if_type) {
7777 case LPFC_SLI_INTF_IF_TYPE_0:
7778 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
7779 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
7780 iounmap(phba->sli4_hba.conf_regs_memmap_p);
7781 break;
7782 case LPFC_SLI_INTF_IF_TYPE_2:
7783 iounmap(phba->sli4_hba.conf_regs_memmap_p);
7784 break;
7785 case LPFC_SLI_INTF_IF_TYPE_1:
7786 default:
7787 dev_printk(KERN_ERR, &phba->pcidev->dev,
7788 "FATAL - unsupported SLI4 interface type - %d\n",
7789 if_type);
7790 break;
7791 }
da0436e9
JS		 7792}
7793
7794/**
7795 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
7796 * @phba: pointer to lpfc hba data structure.
7797 *
7798 * This routine is invoked to enable the MSI-X interrupt vectors to device
7799 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
7800 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
7801 * invoked, enables either all or nothing, depending on the current
7802 * availability of PCI vector resources. The device driver is responsible
7803 * for calling the individual request_irq() to register each MSI-X vector
7804 * with a interrupt handler, which is done in this function. Note that
7805 * later when device is unloading, the driver should always call free_irq()
7806 * on all MSI-X vectors it has done request_irq() on before calling
7807 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
7808 * will be left with MSI-X enabled and leaks its vectors.
7809 *
7810 * Return codes
af901ca1 7811 * 0 - successful
da0436e9
JS		 7812 * other values - error
7813 **/
7814static int
7815lpfc_sli_enable_msix(struct lpfc_hba *phba)
7816{
7817 int rc, i;
7818 LPFC_MBOXQ_t *pmb;
7819
7820 /* Set up MSI-X multi-message vectors */
7821 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
7822 phba->msix_entries[i].entry = i;
7823
7824 /* Configure MSI-X capability structure */
7825 rc = pci_enable_msix(phba->pcidev, phba->msix_entries,
7826 ARRAY_SIZE(phba->msix_entries));
7827 if (rc) {
7828 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7829 "0420 PCI enable MSI-X failed (%d)\n", rc);
7830 goto msi_fail_out;
7831 }
7832 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
7833 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7834 "0477 MSI-X entry[%d]: vector=x%x "
7835 "message=%d\n", i,
7836 phba->msix_entries[i].vector,
7837 phba->msix_entries[i].entry);
7838 /*
7839 * Assign MSI-X vectors to interrupt handlers
7840 */
7841
7842 /* vector-0 is associated to slow-path handler */
7843 rc = request_irq(phba->msix_entries[0].vector,
7844 &lpfc_sli_sp_intr_handler, IRQF_SHARED,
7845 LPFC_SP_DRIVER_HANDLER_NAME, phba);
7846 if (rc) {
7847 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
7848 "0421 MSI-X slow-path request_irq failed "
7849 "(%d)\n", rc);
7850 goto msi_fail_out;
7851 }
7852
7853 /* vector-1 is associated to fast-path handler */
7854 rc = request_irq(phba->msix_entries[1].vector,
7855 &lpfc_sli_fp_intr_handler, IRQF_SHARED,
7856 LPFC_FP_DRIVER_HANDLER_NAME, phba);
7857
7858 if (rc) {
7859 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
7860 "0429 MSI-X fast-path request_irq failed "
7861 "(%d)\n", rc);
7862 goto irq_fail_out;
7863 }
7864
7865 /*
7866 * Configure HBA MSI-X attention conditions to messages
7867 */
7868 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
7869
7870 if (!pmb) {
7871 rc = -ENOMEM;
7872 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7873 "0474 Unable to allocate memory for issuing "
7874 "MBOX_CONFIG_MSI command\n");
7875 goto mem_fail_out;
7876 }
7877 rc = lpfc_config_msi(phba, pmb);
7878 if (rc)
7879 goto mbx_fail_out;
7880 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
7881 if (rc != MBX_SUCCESS) {
7882 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
7883 "0351 Config MSI mailbox command failed, "
7884 "mbxCmd x%x, mbxStatus x%x\n",
7885 pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus);
7886 goto mbx_fail_out;
7887 }
7888
7889 /* Free memory allocated for mailbox command */
7890 mempool_free(pmb, phba->mbox_mem_pool);
7891 return rc;
7892
7893mbx_fail_out:
7894 /* Free memory allocated for mailbox command */
7895 mempool_free(pmb, phba->mbox_mem_pool);
7896
7897mem_fail_out:
7898 /* free the irq already requested */
7899 free_irq(phba->msix_entries[1].vector, phba);
7900
7901irq_fail_out:
7902 /* free the irq already requested */
7903 free_irq(phba->msix_entries[0].vector, phba);
7904
7905msi_fail_out:
7906 /* Unconfigure MSI-X capability structure */
7907 pci_disable_msix(phba->pcidev);
7908 return rc;
7909}
7910
7911/**
7912 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
7913 * @phba: pointer to lpfc hba data structure.
7914 *
7915 * This routine is invoked to release the MSI-X vectors and then disable the
7916 * MSI-X interrupt mode to device with SLI-3 interface spec.
7917 **/
7918static void
7919lpfc_sli_disable_msix(struct lpfc_hba *phba)
7920{
7921 int i;
7922
7923 /* Free up MSI-X multi-message vectors */
7924 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
7925 free_irq(phba->msix_entries[i].vector, phba);
7926 /* Disable MSI-X */
7927 pci_disable_msix(phba->pcidev);
7928
7929 return;
7930}
7931
7932/**
7933 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
7934 * @phba: pointer to lpfc hba data structure.
7935 *
7936 * This routine is invoked to enable the MSI interrupt mode to device with
7937 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
7938 * enable the MSI vector. The device driver is responsible for calling the
7939 * request_irq() to register MSI vector with a interrupt the handler, which
7940 * is done in this function.
7941 *
7942 * Return codes
af901ca1 7943 * 0 - successful
da0436e9
JS		 7944 * other values - error
7945 */
7946static int
7947lpfc_sli_enable_msi(struct lpfc_hba *phba)
7948{
7949 int rc;
7950
7951 rc = pci_enable_msi(phba->pcidev);
7952 if (!rc)
7953 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7954 "0462 PCI enable MSI mode success.\n");
7955 else {
7956 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7957 "0471 PCI enable MSI mode failed (%d)\n", rc);
7958 return rc;
7959 }
7960
7961 rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
7962 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
7963 if (rc) {
7964 pci_disable_msi(phba->pcidev);
7965 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
7966 "0478 MSI request_irq failed (%d)\n", rc);
7967 }
7968 return rc;
7969}
7970
7971/**
7972 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
7973 * @phba: pointer to lpfc hba data structure.
7974 *
7975 * This routine is invoked to disable the MSI interrupt mode to device with
7976 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
7977 * done request_irq() on before calling pci_disable_msi(). Failure to do so
7978 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
7979 * its vector.
7980 */
7981static void
7982lpfc_sli_disable_msi(struct lpfc_hba *phba)
7983{
7984 free_irq(phba->pcidev->irq, phba);
7985 pci_disable_msi(phba->pcidev);
7986 return;
7987}
7988
7989/**
7990 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
7991 * @phba: pointer to lpfc hba data structure.
7992 *
7993 * This routine is invoked to enable device interrupt and associate driver's
7994 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
7995 * spec. Depends on the interrupt mode configured to the driver, the driver
7996 * will try to fallback from the configured interrupt mode to an interrupt
7997 * mode which is supported by the platform, kernel, and device in the order
7998 * of:
7999 * MSI-X -> MSI -> IRQ.
8000 *
8001 * Return codes
af901ca1 8002 * 0 - successful
da0436e9
JS		 8003 * other values - error
8004 **/
8005static uint32_t
8006lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
8007{
8008 uint32_t intr_mode = LPFC_INTR_ERROR;
8009 int retval;
8010
8011 if (cfg_mode == 2) {
8012 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
8013 retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3);
8014 if (!retval) {
8015 /* Now, try to enable MSI-X interrupt mode */
8016 retval = lpfc_sli_enable_msix(phba);
8017 if (!retval) {
8018 /* Indicate initialization to MSI-X mode */
8019 phba->intr_type = MSIX;
8020 intr_mode = 2;
8021 }
8022 }
8023 }
8024
8025 /* Fallback to MSI if MSI-X initialization failed */
8026 if (cfg_mode >= 1 && phba->intr_type == NONE) {
8027 retval = lpfc_sli_enable_msi(phba);
8028 if (!retval) {
8029 /* Indicate initialization to MSI mode */
8030 phba->intr_type = MSI;
8031 intr_mode = 1;
8032 }
8033 }
8034
8035 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8036 if (phba->intr_type == NONE) {
8037 retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
8038 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8039 if (!retval) {
8040 /* Indicate initialization to INTx mode */
8041 phba->intr_type = INTx;
8042 intr_mode = 0;
8043 }
8044 }
8045 return intr_mode;
8046}
8047
8048/**
8049 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
8050 * @phba: pointer to lpfc hba data structure.
8051 *
8052 * This routine is invoked to disable device interrupt and disassociate the
8053 * driver's interrupt handler(s) from interrupt vector(s) to device with
8054 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
8055 * release the interrupt vector(s) for the message signaled interrupt.
8056 **/
8057static void
8058lpfc_sli_disable_intr(struct lpfc_hba *phba)
8059{
8060 /* Disable the currently initialized interrupt mode */
8061 if (phba->intr_type == MSIX)
8062 lpfc_sli_disable_msix(phba);
8063 else if (phba->intr_type == MSI)
8064 lpfc_sli_disable_msi(phba);
8065 else if (phba->intr_type == INTx)
8066 free_irq(phba->pcidev->irq, phba);
8067
8068 /* Reset interrupt management states */
8069 phba->intr_type = NONE;
8070 phba->sli.slistat.sli_intr = 0;
8071
8072 return;
8073}
8074
8075/**
8076 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
8077 * @phba: pointer to lpfc hba data structure.
8078 *
8079 * This routine is invoked to enable the MSI-X interrupt vectors to device
8080 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
8081 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
8082 * enables either all or nothing, depending on the current availability of
8083 * PCI vector resources. The device driver is responsible for calling the
8084 * individual request_irq() to register each MSI-X vector with a interrupt
8085 * handler, which is done in this function. Note that later when device is
8086 * unloading, the driver should always call free_irq() on all MSI-X vectors
8087 * it has done request_irq() on before calling pci_disable_msix(). Failure
8088 * to do so results in a BUG_ON() and a device will be left with MSI-X
8089 * enabled and leaks its vectors.
8090 *
8091 * Return codes
af901ca1 8092 * 0 - successful
da0436e9
JS		 8093 * other values - error
8094 **/
8095static int
8096lpfc_sli4_enable_msix(struct lpfc_hba *phba)
8097{
75baf696 8098 int vectors, rc, index;
da0436e9
JS		 8099
8100 /* Set up MSI-X multi-message vectors */
82c3e9ba 8101 for (index = 0; index < phba->cfg_fcp_io_channel; index++)
da0436e9
JS		 8102 phba->sli4_hba.msix_entries[index].entry = index;
8103
8104 /* Configure MSI-X capability structure */
82c3e9ba 8105 vectors = phba->cfg_fcp_io_channel;
75baf696 8106enable_msix_vectors:
da0436e9 8107 rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries,
75baf696
JS		 8108 vectors);
8109 if (rc > 1) {
8110 vectors = rc;
8111 goto enable_msix_vectors;
8112 } else if (rc) {
da0436e9
JS		 8113 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8114 "0484 PCI enable MSI-X failed (%d)\n", rc);
8115 goto msi_fail_out;
8116 }
75baf696 8117
da0436e9 8118 /* Log MSI-X vector assignment */
75baf696 8119 for (index = 0; index < vectors; index++)
da0436e9
JS		 8120 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8121 "0489 MSI-X entry[%d]: vector=x%x "
8122 "message=%d\n", index,
8123 phba->sli4_hba.msix_entries[index].vector,
8124 phba->sli4_hba.msix_entries[index].entry);
67d12733 8125
da0436e9
JS		 8126 /*
8127 * Assign MSI-X vectors to interrupt handlers
8128 */
67d12733 8129 for (index = 0; index < vectors; index++) {
4305f183
JS		 8130 memset(&phba->sli4_hba.handler_name[index], 0, 16);
8131 sprintf((char *)&phba->sli4_hba.handler_name[index],
8132 LPFC_DRIVER_HANDLER_NAME"%d", index);
da0436e9 8133
67d12733
JS		 8134 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8135 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
ba20c853 8136 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].fcp_eq_in_use, 1);
da0436e9 8137 rc = request_irq(phba->sli4_hba.msix_entries[index].vector,
67d12733 8138 &lpfc_sli4_hba_intr_handler, IRQF_SHARED,
4305f183 8139 (char *)&phba->sli4_hba.handler_name[index],
67d12733 8140 &phba->sli4_hba.fcp_eq_hdl[index]);
da0436e9
JS		 8141 if (rc) {
8142 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8143 "0486 MSI-X fast-path (%d) "
8144 "request_irq failed (%d)\n", index, rc);
8145 goto cfg_fail_out;
8146 }
8147 }
8148
82c3e9ba
JS		 8149 if (vectors != phba->cfg_fcp_io_channel) {
8150 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8151 "3238 Reducing IO channels to match number of "
8152 "MSI-X vectors, requested %d got %d\n",
8153 phba->cfg_fcp_io_channel, vectors);
8154 phba->cfg_fcp_io_channel = vectors;
8155 }
da0436e9
JS		 8156 return rc;
8157
8158cfg_fail_out:
8159 /* free the irq already requested */
67d12733
JS		 8160 for (--index; index >= 0; index--)
8161 free_irq(phba->sli4_hba.msix_entries[index].vector,
8162 &phba->sli4_hba.fcp_eq_hdl[index]);
da0436e9
JS		 8163
8164msi_fail_out:
8165 /* Unconfigure MSI-X capability structure */
8166 pci_disable_msix(phba->pcidev);
8167 return rc;
8168}
8169
8170/**
8171 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
8172 * @phba: pointer to lpfc hba data structure.
8173 *
8174 * This routine is invoked to release the MSI-X vectors and then disable the
8175 * MSI-X interrupt mode to device with SLI-4 interface spec.
8176 **/
8177static void
8178lpfc_sli4_disable_msix(struct lpfc_hba *phba)
8179{
8180 int index;
8181
8182 /* Free up MSI-X multi-message vectors */
82c3e9ba 8183 for (index = 0; index < phba->cfg_fcp_io_channel; index++)
da0436e9 8184 free_irq(phba->sli4_hba.msix_entries[index].vector,
67d12733 8185 &phba->sli4_hba.fcp_eq_hdl[index]);
75baf696 8186
da0436e9
JS		 8187 /* Disable MSI-X */
8188 pci_disable_msix(phba->pcidev);
8189
8190 return;
8191}
8192
8193/**
8194 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
8195 * @phba: pointer to lpfc hba data structure.
8196 *
8197 * This routine is invoked to enable the MSI interrupt mode to device with
8198 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
8199 * to enable the MSI vector. The device driver is responsible for calling
8200 * the request_irq() to register MSI vector with a interrupt the handler,
8201 * which is done in this function.
8202 *
8203 * Return codes
af901ca1 8204 * 0 - successful
da0436e9
JS		 8205 * other values - error
8206 **/
8207static int
8208lpfc_sli4_enable_msi(struct lpfc_hba *phba)
8209{
8210 int rc, index;
8211
8212 rc = pci_enable_msi(phba->pcidev);
8213 if (!rc)
8214 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8215 "0487 PCI enable MSI mode success.\n");
8216 else {
8217 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8218 "0488 PCI enable MSI mode failed (%d)\n", rc);
8219 return rc;
8220 }
8221
8222 rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
8223 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8224 if (rc) {
8225 pci_disable_msi(phba->pcidev);
8226 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8227 "0490 MSI request_irq failed (%d)\n", rc);
75baf696 8228 return rc;
da0436e9
JS		 8229 }
8230
67d12733 8231 for (index = 0; index < phba->cfg_fcp_io_channel; index++) {
da0436e9
JS		 8232 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8233 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
8234 }
8235
75baf696 8236 return 0;
da0436e9
JS		 8237}
8238
8239/**
8240 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
8241 * @phba: pointer to lpfc hba data structure.
8242 *
8243 * This routine is invoked to disable the MSI interrupt mode to device with
8244 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
8245 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8246 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8247 * its vector.
8248 **/
8249static void
8250lpfc_sli4_disable_msi(struct lpfc_hba *phba)
8251{
8252 free_irq(phba->pcidev->irq, phba);
8253 pci_disable_msi(phba->pcidev);
8254 return;
8255}
8256
8257/**
8258 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
8259 * @phba: pointer to lpfc hba data structure.
8260 *
8261 * This routine is invoked to enable device interrupt and associate driver's
8262 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
8263 * interface spec. Depends on the interrupt mode configured to the driver,
8264 * the driver will try to fallback from the configured interrupt mode to an
8265 * interrupt mode which is supported by the platform, kernel, and device in
8266 * the order of:
8267 * MSI-X -> MSI -> IRQ.
8268 *
8269 * Return codes
af901ca1 8270 * 0 - successful
da0436e9
JS		 8271 * other values - error
8272 **/
8273static uint32_t
8274lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
8275{
8276 uint32_t intr_mode = LPFC_INTR_ERROR;
8277 int retval, index;
8278
8279 if (cfg_mode == 2) {
8280 /* Preparation before conf_msi mbox cmd */
8281 retval = 0;
8282 if (!retval) {
8283 /* Now, try to enable MSI-X interrupt mode */
8284 retval = lpfc_sli4_enable_msix(phba);
8285 if (!retval) {
8286 /* Indicate initialization to MSI-X mode */
8287 phba->intr_type = MSIX;
8288 intr_mode = 2;
8289 }
8290 }
8291 }
8292
8293 /* Fallback to MSI if MSI-X initialization failed */
8294 if (cfg_mode >= 1 && phba->intr_type == NONE) {
8295 retval = lpfc_sli4_enable_msi(phba);
8296 if (!retval) {
8297 /* Indicate initialization to MSI mode */
8298 phba->intr_type = MSI;
8299 intr_mode = 1;
8300 }
8301 }
8302
8303 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8304 if (phba->intr_type == NONE) {
8305 retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
8306 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8307 if (!retval) {
8308 /* Indicate initialization to INTx mode */
8309 phba->intr_type = INTx;
8310 intr_mode = 0;
67d12733 8311 for (index = 0; index < phba->cfg_fcp_io_channel;
da0436e9
JS		 8312 index++) {
8313 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8314 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
ba20c853
JS		 8315 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].
8316 fcp_eq_in_use, 1);
da0436e9
JS		 8317 }
8318 }
8319 }
8320 return intr_mode;
8321}
8322
8323/**
8324 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
8325 * @phba: pointer to lpfc hba data structure.
8326 *
8327 * This routine is invoked to disable device interrupt and disassociate
8328 * the driver's interrupt handler(s) from interrupt vector(s) to device
8329 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
8330 * will release the interrupt vector(s) for the message signaled interrupt.
8331 **/
8332static void
8333lpfc_sli4_disable_intr(struct lpfc_hba *phba)
8334{
8335 /* Disable the currently initialized interrupt mode */
8336 if (phba->intr_type == MSIX)
8337 lpfc_sli4_disable_msix(phba);
8338 else if (phba->intr_type == MSI)
8339 lpfc_sli4_disable_msi(phba);
8340 else if (phba->intr_type == INTx)
8341 free_irq(phba->pcidev->irq, phba);
8342
8343 /* Reset interrupt management states */
8344 phba->intr_type = NONE;
8345 phba->sli.slistat.sli_intr = 0;
8346
8347 return;
8348}
8349
8350/**
8351 * lpfc_unset_hba - Unset SLI3 hba device initialization
8352 * @phba: pointer to lpfc hba data structure.
8353 *
8354 * This routine is invoked to unset the HBA device initialization steps to
8355 * a device with SLI-3 interface spec.
8356 **/
8357static void
8358lpfc_unset_hba(struct lpfc_hba *phba)
8359{
8360 struct lpfc_vport *vport = phba->pport;
8361 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
8362
8363 spin_lock_irq(shost->host_lock);
8364 vport->load_flag |= FC_UNLOADING;
8365 spin_unlock_irq(shost->host_lock);
8366
72859909
JS		 8367 kfree(phba->vpi_bmask);
8368 kfree(phba->vpi_ids);
8369
da0436e9
JS		 8370 lpfc_stop_hba_timers(phba);
8371
8372 phba->pport->work_port_events = 0;
8373
8374 lpfc_sli_hba_down(phba);
8375
8376 lpfc_sli_brdrestart(phba);
8377
8378 lpfc_sli_disable_intr(phba);
8379
8380 return;
8381}
8382
8383/**
8384 * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization.
8385 * @phba: pointer to lpfc hba data structure.
8386 *
8387 * This routine is invoked to unset the HBA device initialization steps to
8388 * a device with SLI-4 interface spec.
8389 **/
8390static void
8391lpfc_sli4_unset_hba(struct lpfc_hba *phba)
8392{
8393 struct lpfc_vport *vport = phba->pport;
8394 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
8395
8396 spin_lock_irq(shost->host_lock);
8397 vport->load_flag |= FC_UNLOADING;
8398 spin_unlock_irq(shost->host_lock);
8399
8400 phba->pport->work_port_events = 0;
8401
3677a3a7
JS		 8402 /* Stop the SLI4 device port */
8403 lpfc_stop_port(phba);
da0436e9
JS		 8404
8405 lpfc_sli4_disable_intr(phba);
8406
3677a3a7
JS		 8407 /* Reset SLI4 HBA FCoE function */
8408 lpfc_pci_function_reset(phba);
5350d872 8409 lpfc_sli4_queue_destroy(phba);
3677a3a7 8410
da0436e9
JS		 8411 return;
8412}
8413
5af5eee7
JS		 8414/**
8415 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
8416 * @phba: Pointer to HBA context object.
8417 *
8418 * This function is called in the SLI4 code path to wait for completion
8419 * of device's XRIs exchange busy. It will check the XRI exchange busy
8420 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
8421 * that, it will check the XRI exchange busy on outstanding FCP and ELS
8422 * I/Os every 30 seconds, log error message, and wait forever. Only when
8423 * all XRI exchange busy complete, the driver unload shall proceed with
8424 * invoking the function reset ioctl mailbox command to the CNA and the
8425 * the rest of the driver unload resource release.
8426 **/
8427static void
8428lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba)
8429{
8430 int wait_time = 0;
8431 int fcp_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
8432 int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
8433
8434 while (!fcp_xri_cmpl || !els_xri_cmpl) {
8435 if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) {
8436 if (!fcp_xri_cmpl)
8437 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8438 "2877 FCP XRI exchange busy "
8439 "wait time: %d seconds.\n",
8440 wait_time/1000);
8441 if (!els_xri_cmpl)
8442 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8443 "2878 ELS XRI exchange busy "
8444 "wait time: %d seconds.\n",
8445 wait_time/1000);
8446 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2);
8447 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2;
8448 } else {
8449 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1);
8450 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1;
8451 }
8452 fcp_xri_cmpl =
8453 list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
8454 els_xri_cmpl =
8455 list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
8456 }
8457}
8458
da0436e9
JS		 8459/**
8460 * lpfc_sli4_hba_unset - Unset the fcoe hba
8461 * @phba: Pointer to HBA context object.
8462 *
8463 * This function is called in the SLI4 code path to reset the HBA's FCoE
8464 * function. The caller is not required to hold any lock. This routine
8465 * issues PCI function reset mailbox command to reset the FCoE function.
8466 * At the end of the function, it calls lpfc_hba_down_post function to
8467 * free any pending commands.
8468 **/
8469static void
8470lpfc_sli4_hba_unset(struct lpfc_hba *phba)
8471{
8472 int wait_cnt = 0;
8473 LPFC_MBOXQ_t *mboxq;
912e3acd 8474 struct pci_dev *pdev = phba->pcidev;
da0436e9
JS		 8475
8476 lpfc_stop_hba_timers(phba);
8477 phba->sli4_hba.intr_enable = 0;
8478
8479 /*
8480 * Gracefully wait out the potential current outstanding asynchronous
8481 * mailbox command.
8482 */
8483
8484 /* First, block any pending async mailbox command from posted */
8485 spin_lock_irq(&phba->hbalock);
8486 phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
8487 spin_unlock_irq(&phba->hbalock);
8488 /* Now, trying to wait it out if we can */
8489 while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
8490 msleep(10);
8491 if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT)
8492 break;
8493 }
8494 /* Forcefully release the outstanding mailbox command if timed out */
8495 if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
8496 spin_lock_irq(&phba->hbalock);
8497 mboxq = phba->sli.mbox_active;
8498 mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED;
8499 __lpfc_mbox_cmpl_put(phba, mboxq);
8500 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
8501 phba->sli.mbox_active = NULL;
8502 spin_unlock_irq(&phba->hbalock);
8503 }
8504
5af5eee7
JS		 8505 /* Abort all iocbs associated with the hba */
8506 lpfc_sli_hba_iocb_abort(phba);
8507
8508 /* Wait for completion of device XRI exchange busy */
8509 lpfc_sli4_xri_exchange_busy_wait(phba);
8510
da0436e9
JS		 8511 /* Disable PCI subsystem interrupt */
8512 lpfc_sli4_disable_intr(phba);
8513
912e3acd
JS		 8514 /* Disable SR-IOV if enabled */
8515 if (phba->cfg_sriov_nr_virtfn)
8516 pci_disable_sriov(pdev);
8517
da0436e9
JS		 8518 /* Stop kthread signal shall trigger work_done one more time */
8519 kthread_stop(phba->worker_thread);
8520
3677a3a7
JS		 8521 /* Reset SLI4 HBA FCoE function */
8522 lpfc_pci_function_reset(phba);
5350d872 8523 lpfc_sli4_queue_destroy(phba);
3677a3a7 8524
da0436e9
JS		 8525 /* Stop the SLI4 device port */
8526 phba->pport->work_port_events = 0;
8527}
8528
28baac74
JS		 8529 /**
8530 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
8531 * @phba: Pointer to HBA context object.
8532 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8533 *
8534 * This function is called in the SLI4 code path to read the port's
8535 * sli4 capabilities.
8536 *
8537 * This function may be be called from any context that can block-wait
8538 * for the completion. The expectation is that this routine is called
8539 * typically from probe_one or from the online routine.
8540 **/
8541int
8542lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
8543{
8544 int rc;
8545 struct lpfc_mqe *mqe;
8546 struct lpfc_pc_sli4_params *sli4_params;
8547 uint32_t mbox_tmo;
8548
8549 rc = 0;
8550 mqe = &mboxq->u.mqe;
8551
8552 /* Read the port's SLI4 Parameters port capabilities */
fedd3b7b 8553 lpfc_pc_sli4_params(mboxq);
28baac74
JS		 8554 if (!phba->sli4_hba.intr_enable)
8555 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
8556 else {
a183a15f 8557 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
28baac74
JS		 8558 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
8559 }
8560
8561 if (unlikely(rc))
8562 return 1;
8563
8564 sli4_params = &phba->sli4_hba.pc_sli4_params;
8565 sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params);
8566 sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params);
8567 sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params);
8568 sli4_params->featurelevel_1 = bf_get(featurelevel_1,
8569 &mqe->un.sli4_params);
8570 sli4_params->featurelevel_2 = bf_get(featurelevel_2,
8571 &mqe->un.sli4_params);
8572 sli4_params->proto_types = mqe->un.sli4_params.word3;
8573 sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len;
8574 sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params);
8575 sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params);
8576 sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params);
8577 sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params);
8578 sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params);
8579 sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params);
8580 sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params);
8581 sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params);
8582 sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params);
8583 sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params);
8584 sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params);
8585 sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params);
8586 sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params);
8587 sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params);
8588 sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params);
8589 sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params);
8590 sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params);
8591 sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params);
8592 sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params);
0558056c
JS		 8593
8594 /* Make sure that sge_supp_len can be handled by the driver */
8595 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
8596 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
8597
28baac74
JS		 8598 return rc;
8599}
8600
fedd3b7b
JS		 8601/**
8602 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
8603 * @phba: Pointer to HBA context object.
8604 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8605 *
8606 * This function is called in the SLI4 code path to read the port's
8607 * sli4 capabilities.
8608 *
8609 * This function may be be called from any context that can block-wait
8610 * for the completion. The expectation is that this routine is called
8611 * typically from probe_one or from the online routine.
8612 **/
8613int
8614lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
8615{
8616 int rc;
8617 struct lpfc_mqe *mqe = &mboxq->u.mqe;
8618 struct lpfc_pc_sli4_params *sli4_params;
a183a15f 8619 uint32_t mbox_tmo;
fedd3b7b
JS		 8620 int length;
8621 struct lpfc_sli4_parameters *mbx_sli4_parameters;
8622
6d368e53
JS		 8623 /*
8624 * By default, the driver assumes the SLI4 port requires RPI
8625 * header postings. The SLI4_PARAM response will correct this
8626 * assumption.
8627 */
8628 phba->sli4_hba.rpi_hdrs_in_use = 1;
8629
fedd3b7b
JS		 8630 /* Read the port's SLI4 Config Parameters */
8631 length = (sizeof(struct lpfc_mbx_get_sli4_parameters) -
8632 sizeof(struct lpfc_sli4_cfg_mhdr));
8633 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
8634 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS,
8635 length, LPFC_SLI4_MBX_EMBED);
8636 if (!phba->sli4_hba.intr_enable)
8637 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
a183a15f
JS		 8638 else {
8639 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
8640 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
8641 }
fedd3b7b
JS		 8642 if (unlikely(rc))
8643 return rc;
8644 sli4_params = &phba->sli4_hba.pc_sli4_params;
8645 mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters;
8646 sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters);
8647 sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters);
8648 sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters);
8649 sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1,
8650 mbx_sli4_parameters);
8651 sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2,
8652 mbx_sli4_parameters);
8653 if (bf_get(cfg_phwq, mbx_sli4_parameters))
8654 phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED;
8655 else
8656 phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED;
8657 sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len;
8658 sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters);
8659 sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters);
8660 sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters);
8661 sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters);
8662 sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters);
8663 sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt,
8664 mbx_sli4_parameters);
8665 sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align,
8666 mbx_sli4_parameters);
6d368e53
JS		 8667 phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters);
8668 phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters);
0558056c
JS		 8669
8670 /* Make sure that sge_supp_len can be handled by the driver */
8671 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
8672 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
8673
fedd3b7b
JS		 8674 return 0;
8675}
8676
da0436e9
JS		 8677/**
8678 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
8679 * @pdev: pointer to PCI device
8680 * @pid: pointer to PCI device identifier
8681 *
8682 * This routine is to be called to attach a device with SLI-3 interface spec
8683 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8684 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
8685 * information of the device and driver to see if the driver state that it can
8686 * support this kind of device. If the match is successful, the driver core
8687 * invokes this routine. If this routine determines it can claim the HBA, it
8688 * does all the initialization that it needs to do to handle the HBA properly.
8689 *
8690 * Return code
8691 * 0 - driver can claim the device
8692 * negative value - driver can not claim the device
8693 **/
8694static int __devinit
8695lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid)
8696{
8697 struct lpfc_hba *phba;
8698 struct lpfc_vport *vport = NULL;
6669f9bb 8699 struct Scsi_Host *shost = NULL;
da0436e9
JS		 8700 int error;
8701 uint32_t cfg_mode, intr_mode;
8702
8703 /* Allocate memory for HBA structure */
8704 phba = lpfc_hba_alloc(pdev);
8705 if (!phba)
8706 return -ENOMEM;
8707
8708 /* Perform generic PCI device enabling operation */
8709 error = lpfc_enable_pci_dev(phba);
079b5c91 8710 if (error)
da0436e9 8711 goto out_free_phba;
da0436e9
JS		 8712
8713 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
8714 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP);
8715 if (error)
8716 goto out_disable_pci_dev;
8717
8718 /* Set up SLI-3 specific device PCI memory space */
8719 error = lpfc_sli_pci_mem_setup(phba);
8720 if (error) {
8721 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8722 "1402 Failed to set up pci memory space.\n");
8723 goto out_disable_pci_dev;
8724 }
8725
8726 /* Set up phase-1 common device driver resources */
8727 error = lpfc_setup_driver_resource_phase1(phba);
8728 if (error) {
8729 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8730 "1403 Failed to set up driver resource.\n");
8731 goto out_unset_pci_mem_s3;
8732 }
8733
8734 /* Set up SLI-3 specific device driver resources */
8735 error = lpfc_sli_driver_resource_setup(phba);
8736 if (error) {
8737 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8738 "1404 Failed to set up driver resource.\n");
8739 goto out_unset_pci_mem_s3;
8740 }
8741
8742 /* Initialize and populate the iocb list per host */
8743 error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT);
8744 if (error) {
8745 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8746 "1405 Failed to initialize iocb list.\n");
8747 goto out_unset_driver_resource_s3;
8748 }
8749
8750 /* Set up common device driver resources */
8751 error = lpfc_setup_driver_resource_phase2(phba);
8752 if (error) {
8753 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8754 "1406 Failed to set up driver resource.\n");
8755 goto out_free_iocb_list;
8756 }
8757
079b5c91
JS		 8758 /* Get the default values for Model Name and Description */
8759 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
8760
da0436e9
JS		 8761 /* Create SCSI host to the physical port */
8762 error = lpfc_create_shost(phba);
8763 if (error) {
8764 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8765 "1407 Failed to create scsi host.\n");
8766 goto out_unset_driver_resource;
8767 }
8768
8769 /* Configure sysfs attributes */
8770 vport = phba->pport;
8771 error = lpfc_alloc_sysfs_attr(vport);
8772 if (error) {
8773 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8774 "1476 Failed to allocate sysfs attr\n");
8775 goto out_destroy_shost;
8776 }
8777
6669f9bb 8778 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
da0436e9
JS		 8779 /* Now, trying to enable interrupt and bring up the device */
8780 cfg_mode = phba->cfg_use_msi;
8781 while (true) {
8782 /* Put device to a known state before enabling interrupt */
8783 lpfc_stop_port(phba);
8784 /* Configure and enable interrupt */
8785 intr_mode = lpfc_sli_enable_intr(phba, cfg_mode);
8786 if (intr_mode == LPFC_INTR_ERROR) {
8787 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8788 "0431 Failed to enable interrupt.\n");
8789 error = -ENODEV;
8790 goto out_free_sysfs_attr;
8791 }
8792 /* SLI-3 HBA setup */
8793 if (lpfc_sli_hba_setup(phba)) {
8794 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8795 "1477 Failed to set up hba\n");
8796 error = -ENODEV;
8797 goto out_remove_device;
8798 }
8799
8800 /* Wait 50ms for the interrupts of previous mailbox commands */
8801 msleep(50);
8802 /* Check active interrupts on message signaled interrupts */
8803 if (intr_mode == 0 ||
8804 phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) {
8805 /* Log the current active interrupt mode */
8806 phba->intr_mode = intr_mode;
8807 lpfc_log_intr_mode(phba, intr_mode);
8808 break;
8809 } else {
8810 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8811 "0447 Configure interrupt mode (%d) "
8812 "failed active interrupt test.\n",
8813 intr_mode);
8814 /* Disable the current interrupt mode */
8815 lpfc_sli_disable_intr(phba);
8816 /* Try next level of interrupt mode */
8817 cfg_mode = --intr_mode;
8818 }
8819 }
8820
8821 /* Perform post initialization setup */
8822 lpfc_post_init_setup(phba);
8823
8824 /* Check if there are static vports to be created. */
8825 lpfc_create_static_vport(phba);
8826
8827 return 0;
8828
8829out_remove_device:
8830 lpfc_unset_hba(phba);
8831out_free_sysfs_attr:
8832 lpfc_free_sysfs_attr(vport);
8833out_destroy_shost:
8834 lpfc_destroy_shost(phba);
8835out_unset_driver_resource:
8836 lpfc_unset_driver_resource_phase2(phba);
8837out_free_iocb_list:
8838 lpfc_free_iocb_list(phba);
8839out_unset_driver_resource_s3:
8840 lpfc_sli_driver_resource_unset(phba);
8841out_unset_pci_mem_s3:
8842 lpfc_sli_pci_mem_unset(phba);
8843out_disable_pci_dev:
8844 lpfc_disable_pci_dev(phba);
6669f9bb
JS		 8845 if (shost)
8846 scsi_host_put(shost);
da0436e9
JS		 8847out_free_phba:
8848 lpfc_hba_free(phba);
8849 return error;
8850}
8851
8852/**
8853 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
8854 * @pdev: pointer to PCI device
8855 *
8856 * This routine is to be called to disattach a device with SLI-3 interface
8857 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8858 * removed from PCI bus, it performs all the necessary cleanup for the HBA
8859 * device to be removed from the PCI subsystem properly.
8860 **/
8861static void __devexit
8862lpfc_pci_remove_one_s3(struct pci_dev *pdev)
8863{
8864 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8865 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
8866 struct lpfc_vport **vports;
8867 struct lpfc_hba *phba = vport->phba;
8868 int i;
8869 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
8870
8871 spin_lock_irq(&phba->hbalock);
8872 vport->load_flag |= FC_UNLOADING;
8873 spin_unlock_irq(&phba->hbalock);
8874
8875 lpfc_free_sysfs_attr(vport);
8876
8877 /* Release all the vports against this physical port */
8878 vports = lpfc_create_vport_work_array(phba);
8879 if (vports != NULL)
587a37f6
JS		 8880 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
8881 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
8882 continue;
da0436e9 8883 fc_vport_terminate(vports[i]->fc_vport);
587a37f6 8884 }
da0436e9
JS		 8885 lpfc_destroy_vport_work_array(phba, vports);
8886
8887 /* Remove FC host and then SCSI host with the physical port */
8888 fc_remove_host(shost);
8889 scsi_remove_host(shost);
8890 lpfc_cleanup(vport);
8891
8892 /*
8893 * Bring down the SLI Layer. This step disable all interrupts,
8894 * clears the rings, discards all mailbox commands, and resets
8895 * the HBA.
8896 */
8897
48e34d0f 8898 /* HBA interrupt will be disabled after this call */
da0436e9
JS		 8899 lpfc_sli_hba_down(phba);
8900 /* Stop kthread signal shall trigger work_done one more time */
8901 kthread_stop(phba->worker_thread);
8902 /* Final cleanup of txcmplq and reset the HBA */
8903 lpfc_sli_brdrestart(phba);
8904
72859909
JS		 8905 kfree(phba->vpi_bmask);
8906 kfree(phba->vpi_ids);
8907
da0436e9
JS		 8908 lpfc_stop_hba_timers(phba);
8909 spin_lock_irq(&phba->hbalock);
8910 list_del_init(&vport->listentry);
8911 spin_unlock_irq(&phba->hbalock);
8912
8913 lpfc_debugfs_terminate(vport);
8914
912e3acd
JS		 8915 /* Disable SR-IOV if enabled */
8916 if (phba->cfg_sriov_nr_virtfn)
8917 pci_disable_sriov(pdev);
8918
da0436e9
JS		 8919 /* Disable interrupt */
8920 lpfc_sli_disable_intr(phba);
8921
8922 pci_set_drvdata(pdev, NULL);
8923 scsi_host_put(shost);
8924
8925 /*
8926 * Call scsi_free before mem_free since scsi bufs are released to their
8927 * corresponding pools here.
8928 */
8929 lpfc_scsi_free(phba);
8930 lpfc_mem_free_all(phba);
8931
8932 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
8933 phba->hbqslimp.virt, phba->hbqslimp.phys);
8934
8935 /* Free resources associated with SLI2 interface */
8936 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
8937 phba->slim2p.virt, phba->slim2p.phys);
8938
8939 /* unmap adapter SLIM and Control Registers */
8940 iounmap(phba->ctrl_regs_memmap_p);
8941 iounmap(phba->slim_memmap_p);
8942
8943 lpfc_hba_free(phba);
8944
8945 pci_release_selected_regions(pdev, bars);
8946 pci_disable_device(pdev);
8947}
8948
8949/**
8950 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
8951 * @pdev: pointer to PCI device
8952 * @msg: power management message
8953 *
8954 * This routine is to be called from the kernel's PCI subsystem to support
8955 * system Power Management (PM) to device with SLI-3 interface spec. When
8956 * PM invokes this method, it quiesces the device by stopping the driver's
8957 * worker thread for the device, turning off device's interrupt and DMA,
8958 * and bring the device offline. Note that as the driver implements the
8959 * minimum PM requirements to a power-aware driver's PM support for the
8960 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
8961 * to the suspend() method call will be treated as SUSPEND and the driver will
8962 * fully reinitialize its device during resume() method call, the driver will
8963 * set device to PCI_D3hot state in PCI config space instead of setting it
8964 * according to the @msg provided by the PM.
8965 *
8966 * Return code
8967 * 0 - driver suspended the device
8968 * Error otherwise
8969 **/
8970static int
8971lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg)
8972{
8973 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8974 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
8975
8976 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8977 "0473 PCI device Power Management suspend.\n");
8978
8979 /* Bring down the device */
618a5230 8980 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
da0436e9
JS		 8981 lpfc_offline(phba);
8982 kthread_stop(phba->worker_thread);
8983
8984 /* Disable interrupt from device */
8985 lpfc_sli_disable_intr(phba);
8986
8987 /* Save device state to PCI config space */
8988 pci_save_state(pdev);
8989 pci_set_power_state(pdev, PCI_D3hot);
8990
8991 return 0;
8992}
8993
8994/**
8995 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
8996 * @pdev: pointer to PCI device
8997 *
8998 * This routine is to be called from the kernel's PCI subsystem to support
8999 * system Power Management (PM) to device with SLI-3 interface spec. When PM
9000 * invokes this method, it restores the device's PCI config space state and
9001 * fully reinitializes the device and brings it online. Note that as the
9002 * driver implements the minimum PM requirements to a power-aware driver's
9003 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
9004 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
9005 * driver will fully reinitialize its device during resume() method call,
9006 * the device will be set to PCI_D0 directly in PCI config space before
9007 * restoring the state.
9008 *
9009 * Return code
9010 * 0 - driver suspended the device
9011 * Error otherwise
9012 **/
9013static int
9014lpfc_pci_resume_one_s3(struct pci_dev *pdev)
9015{
9016 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9017 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9018 uint32_t intr_mode;
9019 int error;
9020
9021 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9022 "0452 PCI device Power Management resume.\n");
9023
9024 /* Restore device state from PCI config space */
9025 pci_set_power_state(pdev, PCI_D0);
9026 pci_restore_state(pdev);
0d878419 9027
1dfb5a47
JS		 9028 /*
9029 * As the new kernel behavior of pci_restore_state() API call clears
9030 * device saved_state flag, need to save the restored state again.
9031 */
9032 pci_save_state(pdev);
9033
da0436e9
JS		 9034 if (pdev->is_busmaster)
9035 pci_set_master(pdev);
9036
9037 /* Startup the kernel thread for this host adapter. */
9038 phba->worker_thread = kthread_run(lpfc_do_work, phba,
9039 "lpfc_worker_%d", phba->brd_no);
9040 if (IS_ERR(phba->worker_thread)) {
9041 error = PTR_ERR(phba->worker_thread);
9042 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9043 "0434 PM resume failed to start worker "
9044 "thread: error=x%x.\n", error);
9045 return error;
9046 }
9047
9048 /* Configure and enable interrupt */
9049 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
9050 if (intr_mode == LPFC_INTR_ERROR) {
9051 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9052 "0430 PM resume Failed to enable interrupt\n");
9053 return -EIO;
9054 } else
9055 phba->intr_mode = intr_mode;
9056
9057 /* Restart HBA and bring it online */
9058 lpfc_sli_brdrestart(phba);
9059 lpfc_online(phba);
9060
9061 /* Log the current active interrupt mode */
9062 lpfc_log_intr_mode(phba, phba->intr_mode);
9063
9064 return 0;
9065}
9066
891478a2
JS		 9067/**
9068 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
9069 * @phba: pointer to lpfc hba data structure.
9070 *
9071 * This routine is called to prepare the SLI3 device for PCI slot recover. It
e2af0d2e 9072 * aborts all the outstanding SCSI I/Os to the pci device.
891478a2
JS		 9073 **/
9074static void
9075lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba)
9076{
e2af0d2e
JS		 9077 struct lpfc_sli *psli = &phba->sli;
9078 struct lpfc_sli_ring *pring;
9079
891478a2
JS		 9080 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9081 "2723 PCI channel I/O abort preparing for recovery\n");
e2af0d2e
JS		 9082
9083 /*
9084 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9085 * and let the SCSI mid-layer to retry them to recover.
9086 */
9087 pring = &psli->ring[psli->fcp_ring];
9088 lpfc_sli_abort_iocb_ring(phba, pring);
891478a2
JS		 9089}
9090
0d878419
JS		 9091/**
9092 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
9093 * @phba: pointer to lpfc hba data structure.
9094 *
9095 * This routine is called to prepare the SLI3 device for PCI slot reset. It
9096 * disables the device interrupt and pci device, and aborts the internal FCP
9097 * pending I/Os.
9098 **/
9099static void
9100lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba)
9101{
0d878419 9102 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
891478a2 9103 "2710 PCI channel disable preparing for reset\n");
e2af0d2e 9104
75baf696 9105 /* Block any management I/Os to the device */
618a5230 9106 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
75baf696 9107
e2af0d2e
JS		 9108 /* Block all SCSI devices' I/Os on the host */
9109 lpfc_scsi_dev_block(phba);
9110
9111 /* stop all timers */
9112 lpfc_stop_hba_timers(phba);
9113
0d878419
JS		 9114 /* Disable interrupt and pci device */
9115 lpfc_sli_disable_intr(phba);
9116 pci_disable_device(phba->pcidev);
75baf696 9117
e2af0d2e
JS		 9118 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9119 lpfc_sli_flush_fcp_rings(phba);
0d878419
JS		 9120}
9121
9122/**
9123 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
9124 * @phba: pointer to lpfc hba data structure.
9125 *
9126 * This routine is called to prepare the SLI3 device for PCI slot permanently
9127 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9128 * pending I/Os.
9129 **/
9130static void
75baf696 9131lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba)
0d878419
JS		 9132{
9133 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
891478a2 9134 "2711 PCI channel permanent disable for failure\n");
e2af0d2e
JS		 9135 /* Block all SCSI devices' I/Os on the host */
9136 lpfc_scsi_dev_block(phba);
9137
9138 /* stop all timers */
9139 lpfc_stop_hba_timers(phba);
9140
0d878419
JS		 9141 /* Clean up all driver's outstanding SCSI I/Os */
9142 lpfc_sli_flush_fcp_rings(phba);
9143}
9144
da0436e9
JS		 9145/**
9146 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
9147 * @pdev: pointer to PCI device.
9148 * @state: the current PCI connection state.
9149 *
9150 * This routine is called from the PCI subsystem for I/O error handling to
9151 * device with SLI-3 interface spec. This function is called by the PCI
9152 * subsystem after a PCI bus error affecting this device has been detected.
9153 * When this function is invoked, it will need to stop all the I/Os and
9154 * interrupt(s) to the device. Once that is done, it will return
9155 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
9156 * as desired.
9157 *
9158 * Return codes
0d878419 9159 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
da0436e9
JS		 9160 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9161 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9162 **/
9163static pci_ers_result_t
9164lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state)
9165{
9166 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9167 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
da0436e9 9168
0d878419
JS		 9169 switch (state) {
9170 case pci_channel_io_normal:
891478a2
JS		 9171 /* Non-fatal error, prepare for recovery */
9172 lpfc_sli_prep_dev_for_recover(phba);
0d878419
JS		 9173 return PCI_ERS_RESULT_CAN_RECOVER;
9174 case pci_channel_io_frozen:
9175 /* Fatal error, prepare for slot reset */
9176 lpfc_sli_prep_dev_for_reset(phba);
9177 return PCI_ERS_RESULT_NEED_RESET;
9178 case pci_channel_io_perm_failure:
9179 /* Permanent failure, prepare for device down */
75baf696 9180 lpfc_sli_prep_dev_for_perm_failure(phba);
da0436e9 9181 return PCI_ERS_RESULT_DISCONNECT;
0d878419
JS		 9182 default:
9183 /* Unknown state, prepare and request slot reset */
9184 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9185 "0472 Unknown PCI error state: x%x\n", state);
9186 lpfc_sli_prep_dev_for_reset(phba);
9187 return PCI_ERS_RESULT_NEED_RESET;
da0436e9 9188 }
da0436e9
JS		 9189}
9190
9191/**
9192 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
9193 * @pdev: pointer to PCI device.
9194 *
9195 * This routine is called from the PCI subsystem for error handling to
9196 * device with SLI-3 interface spec. This is called after PCI bus has been
9197 * reset to restart the PCI card from scratch, as if from a cold-boot.
9198 * During the PCI subsystem error recovery, after driver returns
9199 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9200 * recovery and then call this routine before calling the .resume method
9201 * to recover the device. This function will initialize the HBA device,
9202 * enable the interrupt, but it will just put the HBA to offline state
9203 * without passing any I/O traffic.
9204 *
9205 * Return codes
9206 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9207 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9208 */
9209static pci_ers_result_t
9210lpfc_io_slot_reset_s3(struct pci_dev *pdev)
9211{
9212 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9213 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9214 struct lpfc_sli *psli = &phba->sli;
9215 uint32_t intr_mode;
9216
9217 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
9218 if (pci_enable_device_mem(pdev)) {
9219 printk(KERN_ERR "lpfc: Cannot re-enable "
9220 "PCI device after reset.\n");
9221 return PCI_ERS_RESULT_DISCONNECT;
9222 }
9223
9224 pci_restore_state(pdev);
1dfb5a47
JS		 9225
9226 /*
9227 * As the new kernel behavior of pci_restore_state() API call clears
9228 * device saved_state flag, need to save the restored state again.
9229 */
9230 pci_save_state(pdev);
9231
da0436e9
JS		 9232 if (pdev->is_busmaster)
9233 pci_set_master(pdev);
9234
9235 spin_lock_irq(&phba->hbalock);
9236 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
9237 spin_unlock_irq(&phba->hbalock);
9238
9239 /* Configure and enable interrupt */
9240 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
9241 if (intr_mode == LPFC_INTR_ERROR) {
9242 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9243 "0427 Cannot re-enable interrupt after "
9244 "slot reset.\n");
9245 return PCI_ERS_RESULT_DISCONNECT;
9246 } else
9247 phba->intr_mode = intr_mode;
9248
75baf696 9249 /* Take device offline, it will perform cleanup */
618a5230 9250 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
da0436e9
JS		 9251 lpfc_offline(phba);
9252 lpfc_sli_brdrestart(phba);
9253
9254 /* Log the current active interrupt mode */
9255 lpfc_log_intr_mode(phba, phba->intr_mode);
9256
9257 return PCI_ERS_RESULT_RECOVERED;
9258}
9259
9260/**
9261 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
9262 * @pdev: pointer to PCI device
9263 *
9264 * This routine is called from the PCI subsystem for error handling to device
9265 * with SLI-3 interface spec. It is called when kernel error recovery tells
9266 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9267 * error recovery. After this call, traffic can start to flow from this device
9268 * again.
9269 */
9270static void
9271lpfc_io_resume_s3(struct pci_dev *pdev)
9272{
9273 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9274 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3772a991 9275
e2af0d2e 9276 /* Bring device online, it will be no-op for non-fatal error resume */
da0436e9 9277 lpfc_online(phba);
0d878419
JS		 9278
9279 /* Clean up Advanced Error Reporting (AER) if needed */
9280 if (phba->hba_flag & HBA_AER_ENABLED)
9281 pci_cleanup_aer_uncorrect_error_status(pdev);
da0436e9 9282}
3772a991 9283
da0436e9
JS		 9284/**
9285 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
9286 * @phba: pointer to lpfc hba data structure.
9287 *
9288 * returns the number of ELS/CT IOCBs to reserve
9289 **/
9290int
9291lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
9292{
9293 int max_xri = phba->sli4_hba.max_cfg_param.max_xri;
9294
f1126688
JS		 9295 if (phba->sli_rev == LPFC_SLI_REV4) {
9296 if (max_xri <= 100)
6a9c52cf 9297 return 10;
f1126688 9298 else if (max_xri <= 256)
6a9c52cf 9299 return 25;
f1126688 9300 else if (max_xri <= 512)
6a9c52cf 9301 return 50;
f1126688 9302 else if (max_xri <= 1024)
6a9c52cf 9303 return 100;
8a9d2e80 9304 else if (max_xri <= 1536)
6a9c52cf 9305 return 150;
8a9d2e80
JS		 9306 else if (max_xri <= 2048)
9307 return 200;
9308 else
9309 return 250;
f1126688
JS		 9310 } else
9311 return 0;
3772a991
JS		 9312}
9313
52d52440
JS		 9314/**
9315 * lpfc_write_firmware - attempt to write a firmware image to the port
52d52440 9316 * @fw: pointer to firmware image returned from request_firmware.
ce396282 9317 * @phba: pointer to lpfc hba data structure.
52d52440 9318 *
52d52440 9319 **/
ce396282
JS		 9320static void
9321lpfc_write_firmware(const struct firmware *fw, void *context)
52d52440 9322{
ce396282 9323 struct lpfc_hba *phba = (struct lpfc_hba *)context;
6b5151fd 9324 char fwrev[FW_REV_STR_SIZE];
ce396282 9325 struct lpfc_grp_hdr *image;
52d52440
JS		 9326 struct list_head dma_buffer_list;
9327 int i, rc = 0;
9328 struct lpfc_dmabuf *dmabuf, *next;
9329 uint32_t offset = 0, temp_offset = 0;
9330
ce396282
JS		 9331 /* It can be null, sanity check */
9332 if (!fw) {
9333 rc = -ENXIO;
9334 goto out;
9335 }
9336 image = (struct lpfc_grp_hdr *)fw->data;
9337
52d52440 9338 INIT_LIST_HEAD(&dma_buffer_list);
079b5c91
JS		 9339 if ((be32_to_cpu(image->magic_number) != LPFC_GROUP_OJECT_MAGIC_NUM) ||
9340 (bf_get_be32(lpfc_grp_hdr_file_type, image) !=
9341 LPFC_FILE_TYPE_GROUP) ||
9342 (bf_get_be32(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) ||
9343 (be32_to_cpu(image->size) != fw->size)) {
52d52440
JS		 9344 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9345 "3022 Invalid FW image found. "
079b5c91
JS		 9346 "Magic:%x Type:%x ID:%x\n",
9347 be32_to_cpu(image->magic_number),
9348 bf_get_be32(lpfc_grp_hdr_file_type, image),
9349 bf_get_be32(lpfc_grp_hdr_id, image));
ce396282
JS		 9350 rc = -EINVAL;
9351 goto release_out;
52d52440
JS		 9352 }
9353 lpfc_decode_firmware_rev(phba, fwrev, 1);
88a2cfbb 9354 if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) {
52d52440 9355 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
ce396282 9356 "3023 Updating Firmware, Current Version:%s "
52d52440 9357 "New Version:%s\n",
88a2cfbb 9358 fwrev, image->revision);
52d52440
JS		 9359 for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) {
9360 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf),
9361 GFP_KERNEL);
9362 if (!dmabuf) {
9363 rc = -ENOMEM;
ce396282 9364 goto release_out;
52d52440
JS		 9365 }
9366 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
9367 SLI4_PAGE_SIZE,
9368 &dmabuf->phys,
9369 GFP_KERNEL);
9370 if (!dmabuf->virt) {
9371 kfree(dmabuf);
9372 rc = -ENOMEM;
ce396282 9373 goto release_out;
52d52440
JS		 9374 }
9375 list_add_tail(&dmabuf->list, &dma_buffer_list);
9376 }
9377 while (offset < fw->size) {
9378 temp_offset = offset;
9379 list_for_each_entry(dmabuf, &dma_buffer_list, list) {
079b5c91 9380 if (temp_offset + SLI4_PAGE_SIZE > fw->size) {
52d52440
JS		 9381 memcpy(dmabuf->virt,
9382 fw->data + temp_offset,
079b5c91
JS		 9383 fw->size - temp_offset);
9384 temp_offset = fw->size;
52d52440
JS		 9385 break;
9386 }
52d52440
JS		 9387 memcpy(dmabuf->virt, fw->data + temp_offset,
9388 SLI4_PAGE_SIZE);
88a2cfbb 9389 temp_offset += SLI4_PAGE_SIZE;
52d52440
JS		 9390 }
9391 rc = lpfc_wr_object(phba, &dma_buffer_list,
9392 (fw->size - offset), &offset);
ce396282
JS		 9393 if (rc)
9394 goto release_out;
52d52440
JS		 9395 }
9396 rc = offset;
9397 }
ce396282
JS		 9398
9399release_out:
52d52440
JS		 9400 list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) {
9401 list_del(&dmabuf->list);
9402 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
9403 dmabuf->virt, dmabuf->phys);
9404 kfree(dmabuf);
9405 }
ce396282
JS		 9406 release_firmware(fw);
9407out:
9408 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9409 "3024 Firmware update done: %d.", rc);
9410 return;
52d52440
JS		 9411}
9412
3772a991 9413/**
da0436e9 9414 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
3772a991
JS		 9415 * @pdev: pointer to PCI device
9416 * @pid: pointer to PCI device identifier
9417 *
da0436e9
JS		 9418 * This routine is called from the kernel's PCI subsystem to device with
9419 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
3772a991 9420 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
da0436e9
JS		 9421 * information of the device and driver to see if the driver state that it
9422 * can support this kind of device. If the match is successful, the driver
9423 * core invokes this routine. If this routine determines it can claim the HBA,
9424 * it does all the initialization that it needs to do to handle the HBA
9425 * properly.
3772a991
JS		 9426 *
9427 * Return code
9428 * 0 - driver can claim the device
9429 * negative value - driver can not claim the device
9430 **/
9431static int __devinit
da0436e9 9432lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
3772a991
JS		 9433{
9434 struct lpfc_hba *phba;
9435 struct lpfc_vport *vport = NULL;
6669f9bb 9436 struct Scsi_Host *shost = NULL;
ce396282 9437 int error, ret;
3772a991 9438 uint32_t cfg_mode, intr_mode;
da0436e9 9439 int mcnt;
67d12733 9440 int adjusted_fcp_io_channel;
5402a315 9441 uint8_t file_name[ELX_MODEL_NAME_SIZE];
3772a991
JS		 9442
9443 /* Allocate memory for HBA structure */
9444 phba = lpfc_hba_alloc(pdev);
9445 if (!phba)
9446 return -ENOMEM;
9447
9448 /* Perform generic PCI device enabling operation */
9449 error = lpfc_enable_pci_dev(phba);
079b5c91 9450 if (error)
3772a991 9451 goto out_free_phba;
3772a991 9452
da0436e9
JS		 9453 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
9454 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC);
3772a991
JS		 9455 if (error)
9456 goto out_disable_pci_dev;
9457
da0436e9
JS		 9458 /* Set up SLI-4 specific device PCI memory space */
9459 error = lpfc_sli4_pci_mem_setup(phba);
3772a991
JS		 9460 if (error) {
9461 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9462 "1410 Failed to set up pci memory space.\n");
3772a991
JS		 9463 goto out_disable_pci_dev;
9464 }
9465
9466 /* Set up phase-1 common device driver resources */
9467 error = lpfc_setup_driver_resource_phase1(phba);
9468 if (error) {
9469 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 9470 "1411 Failed to set up driver resource.\n");
9471 goto out_unset_pci_mem_s4;
3772a991
JS		 9472 }
9473
da0436e9
JS		 9474 /* Set up SLI-4 Specific device driver resources */
9475 error = lpfc_sli4_driver_resource_setup(phba);
3772a991
JS		 9476 if (error) {
9477 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 9478 "1412 Failed to set up driver resource.\n");
9479 goto out_unset_pci_mem_s4;
3772a991
JS		 9480 }
9481
9482 /* Initialize and populate the iocb list per host */
2a9bf3d0
JS		 9483
9484 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9485 "2821 initialize iocb list %d.\n",
9486 phba->cfg_iocb_cnt*1024);
9487 error = lpfc_init_iocb_list(phba, phba->cfg_iocb_cnt*1024);
9488
3772a991
JS		 9489 if (error) {
9490 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 9491 "1413 Failed to initialize iocb list.\n");
9492 goto out_unset_driver_resource_s4;
3772a991
JS		 9493 }
9494
19ca7609 9495 INIT_LIST_HEAD(&phba->active_rrq_list);
7d791df7 9496 INIT_LIST_HEAD(&phba->fcf.fcf_pri_list);
19ca7609 9497
3772a991
JS		 9498 /* Set up common device driver resources */
9499 error = lpfc_setup_driver_resource_phase2(phba);
9500 if (error) {
9501 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9502 "1414 Failed to set up driver resource.\n");
3772a991
JS		 9503 goto out_free_iocb_list;
9504 }
9505
079b5c91
JS		 9506 /* Get the default values for Model Name and Description */
9507 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
9508
3772a991
JS		 9509 /* Create SCSI host to the physical port */
9510 error = lpfc_create_shost(phba);
9511 if (error) {
9512 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9513 "1415 Failed to create scsi host.\n");
3772a991
JS		 9514 goto out_unset_driver_resource;
9515 }
9399627f 9516
5b75da2f 9517 /* Configure sysfs attributes */
3772a991
JS		 9518 vport = phba->pport;
9519 error = lpfc_alloc_sysfs_attr(vport);
9520 if (error) {
9399627f 9521 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9522 "1416 Failed to allocate sysfs attr\n");
3772a991 9523 goto out_destroy_shost;
98c9ea5c 9524 }
875fbdfe 9525
6669f9bb 9526 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
3772a991 9527 /* Now, trying to enable interrupt and bring up the device */
5b75da2f
JS		 9528 cfg_mode = phba->cfg_use_msi;
9529 while (true) {
3772a991
JS		 9530 /* Put device to a known state before enabling interrupt */
9531 lpfc_stop_port(phba);
5b75da2f 9532 /* Configure and enable interrupt */
da0436e9 9533 intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode);
5b75da2f
JS		 9534 if (intr_mode == LPFC_INTR_ERROR) {
9535 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9536 "0426 Failed to enable interrupt.\n");
3772a991 9537 error = -ENODEV;
5b75da2f
JS		 9538 goto out_free_sysfs_attr;
9539 }
0558056c 9540 /* Default to single EQ for non-MSI-X */
def9c7a9 9541 if (phba->intr_type != MSIX)
1c13bf66 9542 adjusted_fcp_io_channel = 1;
0558056c 9543 else
67d12733
JS		 9544 adjusted_fcp_io_channel = phba->cfg_fcp_io_channel;
9545 phba->cfg_fcp_io_channel = adjusted_fcp_io_channel;
da0436e9
JS		 9546 /* Set up SLI-4 HBA */
9547 if (lpfc_sli4_hba_setup(phba)) {
5b75da2f 9548 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9549 "1421 Failed to set up hba\n");
5b75da2f 9550 error = -ENODEV;
da0436e9 9551 goto out_disable_intr;
5b75da2f
JS		 9552 }
9553
da0436e9
JS		 9554 /* Send NOP mbx cmds for non-INTx mode active interrupt test */
9555 if (intr_mode != 0)
9556 mcnt = lpfc_sli4_send_nop_mbox_cmds(phba,
9557 LPFC_ACT_INTR_CNT);
9558
9559 /* Check active interrupts received only for MSI/MSI-X */
3772a991 9560 if (intr_mode == 0 ||
da0436e9 9561 phba->sli.slistat.sli_intr >= LPFC_ACT_INTR_CNT) {
5b75da2f
JS		 9562 /* Log the current active interrupt mode */
9563 phba->intr_mode = intr_mode;
9564 lpfc_log_intr_mode(phba, intr_mode);
9565 break;
5b75da2f 9566 }
da0436e9
JS		 9567 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9568 "0451 Configure interrupt mode (%d) "
9569 "failed active interrupt test.\n",
9570 intr_mode);
2fcee4bf
JS		 9571 /* Unset the previous SLI-4 HBA setup. */
9572 /*
9573 * TODO: Is this operation compatible with IF TYPE 2
9574 * devices? All port state is deleted and cleared.
9575 */
da0436e9
JS		 9576 lpfc_sli4_unset_hba(phba);
9577 /* Try next level of interrupt mode */
9578 cfg_mode = --intr_mode;
98c9ea5c 9579 }
858c9f6c 9580
3772a991
JS		 9581 /* Perform post initialization setup */
9582 lpfc_post_init_setup(phba);
dea3101e 9583
026abb87
JS		 9584 /* check for firmware upgrade or downgrade (if_type 2 only) */
9585 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
9586 LPFC_SLI_INTF_IF_TYPE_2) {
5402a315
JS		 9587 snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp",
9588 phba->ModelName);
ce396282
JS		 9589 ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
9590 file_name, &phba->pcidev->dev,
9591 GFP_KERNEL, (void *)phba,
9592 lpfc_write_firmware);
52d52440
JS		 9593 }
9594
1c6834a7
JS		 9595 /* Check if there are static vports to be created. */
9596 lpfc_create_static_vport(phba);
dea3101e 9597 return 0;
9598
da0436e9
JS		 9599out_disable_intr:
9600 lpfc_sli4_disable_intr(phba);
5b75da2f
JS		 9601out_free_sysfs_attr:
9602 lpfc_free_sysfs_attr(vport);
3772a991
JS		 9603out_destroy_shost:
9604 lpfc_destroy_shost(phba);
9605out_unset_driver_resource:
9606 lpfc_unset_driver_resource_phase2(phba);
9607out_free_iocb_list:
9608 lpfc_free_iocb_list(phba);
da0436e9
JS		 9609out_unset_driver_resource_s4:
9610 lpfc_sli4_driver_resource_unset(phba);
9611out_unset_pci_mem_s4:
9612 lpfc_sli4_pci_mem_unset(phba);
3772a991
JS		 9613out_disable_pci_dev:
9614 lpfc_disable_pci_dev(phba);
6669f9bb
JS		 9615 if (shost)
9616 scsi_host_put(shost);
2e0fef85 9617out_free_phba:
3772a991 9618 lpfc_hba_free(phba);
dea3101e 9619 return error;
9620}
9621
e59058c4 9622/**
da0436e9 9623 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
e59058c4
JS		 9624 * @pdev: pointer to PCI device
9625 *
da0436e9
JS		 9626 * This routine is called from the kernel's PCI subsystem to device with
9627 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
3772a991
JS		 9628 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9629 * device to be removed from the PCI subsystem properly.
e59058c4 9630 **/
dea3101e 9631static void __devexit
da0436e9 9632lpfc_pci_remove_one_s4(struct pci_dev *pdev)
dea3101e 9633{
da0436e9 9634 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2e0fef85 9635 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
eada272d 9636 struct lpfc_vport **vports;
da0436e9 9637 struct lpfc_hba *phba = vport->phba;
eada272d 9638 int i;
8a4df120 9639
da0436e9 9640 /* Mark the device unloading flag */
549e55cd 9641 spin_lock_irq(&phba->hbalock);
51ef4c26 9642 vport->load_flag |= FC_UNLOADING;
549e55cd 9643 spin_unlock_irq(&phba->hbalock);
2e0fef85 9644
da0436e9 9645 /* Free the HBA sysfs attributes */
858c9f6c
JS		 9646 lpfc_free_sysfs_attr(vport);
9647
eada272d
JS		 9648 /* Release all the vports against this physical port */
9649 vports = lpfc_create_vport_work_array(phba);
9650 if (vports != NULL)
587a37f6
JS		 9651 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
9652 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
9653 continue;
eada272d 9654 fc_vport_terminate(vports[i]->fc_vport);
587a37f6 9655 }
eada272d
JS		 9656 lpfc_destroy_vport_work_array(phba, vports);
9657
9658 /* Remove FC host and then SCSI host with the physical port */
858c9f6c
JS		 9659 fc_remove_host(shost);
9660 scsi_remove_host(shost);
da0436e9
JS		 9661
9662 /* Perform cleanup on the physical port */
87af33fe
JS		 9663 lpfc_cleanup(vport);
9664
2e0fef85 9665 /*
da0436e9 9666 * Bring down the SLI Layer. This step disables all interrupts,
2e0fef85 9667 * clears the rings, discards all mailbox commands, and resets
da0436e9 9668 * the HBA FCoE function.
2e0fef85 9669 */
da0436e9
JS		 9670 lpfc_debugfs_terminate(vport);
9671 lpfc_sli4_hba_unset(phba);
a257bf90 9672
858c9f6c
JS		 9673 spin_lock_irq(&phba->hbalock);
9674 list_del_init(&vport->listentry);
9675 spin_unlock_irq(&phba->hbalock);
9676
3677a3a7 9677 /* Perform scsi free before driver resource_unset since scsi
da0436e9 9678 * buffers are released to their corresponding pools here.
2e0fef85
JS		 9679 */
9680 lpfc_scsi_free(phba);
67d12733 9681
da0436e9 9682 lpfc_sli4_driver_resource_unset(phba);
ed957684 9683
da0436e9
JS		 9684 /* Unmap adapter Control and Doorbell registers */
9685 lpfc_sli4_pci_mem_unset(phba);
2e0fef85 9686
da0436e9
JS		 9687 /* Release PCI resources and disable device's PCI function */
9688 scsi_host_put(shost);
9689 lpfc_disable_pci_dev(phba);
2e0fef85 9690
da0436e9 9691 /* Finally, free the driver's device data structure */
3772a991 9692 lpfc_hba_free(phba);
2e0fef85 9693
da0436e9 9694 return;
dea3101e 9695}
9696
3a55b532 9697/**
da0436e9 9698 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
3a55b532
JS		 9699 * @pdev: pointer to PCI device
9700 * @msg: power management message
9701 *
da0436e9
JS		 9702 * This routine is called from the kernel's PCI subsystem to support system
9703 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
9704 * this method, it quiesces the device by stopping the driver's worker
9705 * thread for the device, turning off device's interrupt and DMA, and bring
9706 * the device offline. Note that as the driver implements the minimum PM
9707 * requirements to a power-aware driver's PM support for suspend/resume -- all
9708 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
9709 * method call will be treated as SUSPEND and the driver will fully
9710 * reinitialize its device during resume() method call, the driver will set
9711 * device to PCI_D3hot state in PCI config space instead of setting it
3772a991 9712 * according to the @msg provided by the PM.
3a55b532
JS		 9713 *
9714 * Return code
3772a991
JS		 9715 * 0 - driver suspended the device
9716 * Error otherwise
3a55b532
JS		 9717 **/
9718static int
da0436e9 9719lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg)
3a55b532
JS		 9720{
9721 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9722 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9723
9724 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
75baf696 9725 "2843 PCI device Power Management suspend.\n");
3a55b532
JS		 9726
9727 /* Bring down the device */
618a5230 9728 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
3a55b532
JS		 9729 lpfc_offline(phba);
9730 kthread_stop(phba->worker_thread);
9731
9732 /* Disable interrupt from device */
da0436e9 9733 lpfc_sli4_disable_intr(phba);
5350d872 9734 lpfc_sli4_queue_destroy(phba);
3a55b532
JS		 9735
9736 /* Save device state to PCI config space */
9737 pci_save_state(pdev);
9738 pci_set_power_state(pdev, PCI_D3hot);
9739
9740 return 0;
9741}
9742
9743/**
da0436e9 9744 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
3a55b532
JS		 9745 * @pdev: pointer to PCI device
9746 *
da0436e9
JS		 9747 * This routine is called from the kernel's PCI subsystem to support system
9748 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
9749 * this method, it restores the device's PCI config space state and fully
9750 * reinitializes the device and brings it online. Note that as the driver
9751 * implements the minimum PM requirements to a power-aware driver's PM for
9752 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9753 * to the suspend() method call will be treated as SUSPEND and the driver
9754 * will fully reinitialize its device during resume() method call, the device
9755 * will be set to PCI_D0 directly in PCI config space before restoring the
9756 * state.
3a55b532
JS		 9757 *
9758 * Return code
3772a991
JS		 9759 * 0 - driver suspended the device
9760 * Error otherwise
3a55b532
JS		 9761 **/
9762static int
da0436e9 9763lpfc_pci_resume_one_s4(struct pci_dev *pdev)
3a55b532
JS		 9764{
9765 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9766 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
5b75da2f 9767 uint32_t intr_mode;
3a55b532
JS		 9768 int error;
9769
9770 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
da0436e9 9771 "0292 PCI device Power Management resume.\n");
3a55b532
JS		 9772
9773 /* Restore device state from PCI config space */
9774 pci_set_power_state(pdev, PCI_D0);
9775 pci_restore_state(pdev);
1dfb5a47
JS		 9776
9777 /*
9778 * As the new kernel behavior of pci_restore_state() API call clears
9779 * device saved_state flag, need to save the restored state again.
9780 */
9781 pci_save_state(pdev);
9782
3a55b532
JS		 9783 if (pdev->is_busmaster)
9784 pci_set_master(pdev);
9785
da0436e9 9786 /* Startup the kernel thread for this host adapter. */
3a55b532
JS		 9787 phba->worker_thread = kthread_run(lpfc_do_work, phba,
9788 "lpfc_worker_%d", phba->brd_no);
9789 if (IS_ERR(phba->worker_thread)) {
9790 error = PTR_ERR(phba->worker_thread);
9791 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9792 "0293 PM resume failed to start worker "
3a55b532
JS		 9793 "thread: error=x%x.\n", error);
9794 return error;
9795 }
9796
5b75da2f 9797 /* Configure and enable interrupt */
da0436e9 9798 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
5b75da2f 9799 if (intr_mode == LPFC_INTR_ERROR) {
3a55b532 9800 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9801 "0294 PM resume Failed to enable interrupt\n");
5b75da2f
JS		 9802 return -EIO;
9803 } else
9804 phba->intr_mode = intr_mode;
3a55b532
JS		 9805
9806 /* Restart HBA and bring it online */
9807 lpfc_sli_brdrestart(phba);
9808 lpfc_online(phba);
9809
5b75da2f
JS		 9810 /* Log the current active interrupt mode */
9811 lpfc_log_intr_mode(phba, phba->intr_mode);
9812
3a55b532
JS		 9813 return 0;
9814}
9815
75baf696
JS		 9816/**
9817 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
9818 * @phba: pointer to lpfc hba data structure.
9819 *
9820 * This routine is called to prepare the SLI4 device for PCI slot recover. It
9821 * aborts all the outstanding SCSI I/Os to the pci device.
9822 **/
9823static void
9824lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba)
9825{
9826 struct lpfc_sli *psli = &phba->sli;
9827 struct lpfc_sli_ring *pring;
9828
9829 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9830 "2828 PCI channel I/O abort preparing for recovery\n");
9831 /*
9832 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9833 * and let the SCSI mid-layer to retry them to recover.
9834 */
9835 pring = &psli->ring[psli->fcp_ring];
9836 lpfc_sli_abort_iocb_ring(phba, pring);
9837}
9838
9839/**
9840 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
9841 * @phba: pointer to lpfc hba data structure.
9842 *
9843 * This routine is called to prepare the SLI4 device for PCI slot reset. It
9844 * disables the device interrupt and pci device, and aborts the internal FCP
9845 * pending I/Os.
9846 **/
9847static void
9848lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba)
9849{
9850 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9851 "2826 PCI channel disable preparing for reset\n");
9852
9853 /* Block any management I/Os to the device */
618a5230 9854 lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT);
75baf696
JS		 9855
9856 /* Block all SCSI devices' I/Os on the host */
9857 lpfc_scsi_dev_block(phba);
9858
9859 /* stop all timers */
9860 lpfc_stop_hba_timers(phba);
9861
9862 /* Disable interrupt and pci device */
9863 lpfc_sli4_disable_intr(phba);
5350d872 9864 lpfc_sli4_queue_destroy(phba);
75baf696
JS		 9865 pci_disable_device(phba->pcidev);
9866
9867 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9868 lpfc_sli_flush_fcp_rings(phba);
9869}
9870
9871/**
9872 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
9873 * @phba: pointer to lpfc hba data structure.
9874 *
9875 * This routine is called to prepare the SLI4 device for PCI slot permanently
9876 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9877 * pending I/Os.
9878 **/
9879static void
9880lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba)
9881{
9882 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9883 "2827 PCI channel permanent disable for failure\n");
9884
9885 /* Block all SCSI devices' I/Os on the host */
9886 lpfc_scsi_dev_block(phba);
9887
9888 /* stop all timers */
9889 lpfc_stop_hba_timers(phba);
9890
9891 /* Clean up all driver's outstanding SCSI I/Os */
9892 lpfc_sli_flush_fcp_rings(phba);
9893}
9894
8d63f375 9895/**
da0436e9 9896 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
e59058c4
JS		 9897 * @pdev: pointer to PCI device.
9898 * @state: the current PCI connection state.
8d63f375 9899 *
da0436e9
JS		 9900 * This routine is called from the PCI subsystem for error handling to device
9901 * with SLI-4 interface spec. This function is called by the PCI subsystem
9902 * after a PCI bus error affecting this device has been detected. When this
9903 * function is invoked, it will need to stop all the I/Os and interrupt(s)
9904 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
9905 * for the PCI subsystem to perform proper recovery as desired.
e59058c4
JS		 9906 *
9907 * Return codes
3772a991
JS		 9908 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9909 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
e59058c4 9910 **/
3772a991 9911static pci_ers_result_t
da0436e9 9912lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
8d63f375 9913{
75baf696
JS		 9914 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9915 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9916
9917 switch (state) {
9918 case pci_channel_io_normal:
9919 /* Non-fatal error, prepare for recovery */
9920 lpfc_sli4_prep_dev_for_recover(phba);
9921 return PCI_ERS_RESULT_CAN_RECOVER;
9922 case pci_channel_io_frozen:
9923 /* Fatal error, prepare for slot reset */
9924 lpfc_sli4_prep_dev_for_reset(phba);
9925 return PCI_ERS_RESULT_NEED_RESET;
9926 case pci_channel_io_perm_failure:
9927 /* Permanent failure, prepare for device down */
9928 lpfc_sli4_prep_dev_for_perm_failure(phba);
9929 return PCI_ERS_RESULT_DISCONNECT;
9930 default:
9931 /* Unknown state, prepare and request slot reset */
9932 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9933 "2825 Unknown PCI error state: x%x\n", state);
9934 lpfc_sli4_prep_dev_for_reset(phba);
9935 return PCI_ERS_RESULT_NEED_RESET;
9936 }
8d63f375
LV		 9937}
9938
9939/**
da0436e9 9940 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
e59058c4
JS		 9941 * @pdev: pointer to PCI device.
9942 *
da0436e9
JS		 9943 * This routine is called from the PCI subsystem for error handling to device
9944 * with SLI-4 interface spec. It is called after PCI bus has been reset to
9945 * restart the PCI card from scratch, as if from a cold-boot. During the
9946 * PCI subsystem error recovery, after the driver returns
3772a991 9947 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
da0436e9
JS		 9948 * recovery and then call this routine before calling the .resume method to
9949 * recover the device. This function will initialize the HBA device, enable
9950 * the interrupt, but it will just put the HBA to offline state without
9951 * passing any I/O traffic.
8d63f375 9952 *
e59058c4 9953 * Return codes
3772a991
JS		 9954 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9955 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
8d63f375 9956 */
3772a991 9957static pci_ers_result_t
da0436e9 9958lpfc_io_slot_reset_s4(struct pci_dev *pdev)
8d63f375 9959{
75baf696
JS		 9960 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9961 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9962 struct lpfc_sli *psli = &phba->sli;
9963 uint32_t intr_mode;
9964
9965 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
9966 if (pci_enable_device_mem(pdev)) {
9967 printk(KERN_ERR "lpfc: Cannot re-enable "
9968 "PCI device after reset.\n");
9969 return PCI_ERS_RESULT_DISCONNECT;
9970 }
9971
9972 pci_restore_state(pdev);
0a96e975
JS		 9973
9974 /*
9975 * As the new kernel behavior of pci_restore_state() API call clears
9976 * device saved_state flag, need to save the restored state again.
9977 */
9978 pci_save_state(pdev);
9979
75baf696
JS		 9980 if (pdev->is_busmaster)
9981 pci_set_master(pdev);
9982
9983 spin_lock_irq(&phba->hbalock);
9984 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
9985 spin_unlock_irq(&phba->hbalock);
9986
9987 /* Configure and enable interrupt */
9988 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
9989 if (intr_mode == LPFC_INTR_ERROR) {
9990 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9991 "2824 Cannot re-enable interrupt after "
9992 "slot reset.\n");
9993 return PCI_ERS_RESULT_DISCONNECT;
9994 } else
9995 phba->intr_mode = intr_mode;
9996
9997 /* Log the current active interrupt mode */
9998 lpfc_log_intr_mode(phba, phba->intr_mode);
9999
8d63f375
LV		 10000 return PCI_ERS_RESULT_RECOVERED;
10001}
10002
10003/**
da0436e9 10004 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
e59058c4 10005 * @pdev: pointer to PCI device
8d63f375 10006 *
3772a991 10007 * This routine is called from the PCI subsystem for error handling to device
da0436e9 10008 * with SLI-4 interface spec. It is called when kernel error recovery tells
3772a991
JS		 10009 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10010 * error recovery. After this call, traffic can start to flow from this device
10011 * again.
da0436e9 10012 **/
3772a991 10013static void
da0436e9 10014lpfc_io_resume_s4(struct pci_dev *pdev)
8d63f375 10015{
75baf696
JS		 10016 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10017 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10018
10019 /*
10020 * In case of slot reset, as function reset is performed through
10021 * mailbox command which needs DMA to be enabled, this operation
10022 * has to be moved to the io resume phase. Taking device offline
10023 * will perform the necessary cleanup.
10024 */
10025 if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) {
10026 /* Perform device reset */
618a5230 10027 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
75baf696
JS		 10028 lpfc_offline(phba);
10029 lpfc_sli_brdrestart(phba);
10030 /* Bring the device back online */
10031 lpfc_online(phba);
10032 }
10033
10034 /* Clean up Advanced Error Reporting (AER) if needed */
10035 if (phba->hba_flag & HBA_AER_ENABLED)
10036 pci_cleanup_aer_uncorrect_error_status(pdev);
8d63f375
LV		 10037}
10038
3772a991
JS		 10039/**
10040 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
10041 * @pdev: pointer to PCI device
10042 * @pid: pointer to PCI device identifier
10043 *
10044 * This routine is to be registered to the kernel's PCI subsystem. When an
10045 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
10046 * at PCI device-specific information of the device and driver to see if the
10047 * driver state that it can support this kind of device. If the match is
10048 * successful, the driver core invokes this routine. This routine dispatches
10049 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
10050 * do all the initialization that it needs to do to handle the HBA device
10051 * properly.
10052 *
10053 * Return code
10054 * 0 - driver can claim the device
10055 * negative value - driver can not claim the device
10056 **/
10057static int __devinit
10058lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
10059{
10060 int rc;
8fa38513 10061 struct lpfc_sli_intf intf;
3772a991 10062
28baac74 10063 if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0))
3772a991
JS		 10064 return -ENODEV;
10065
8fa38513 10066 if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) &&
28baac74 10067 (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4))
da0436e9 10068 rc = lpfc_pci_probe_one_s4(pdev, pid);
8fa38513 10069 else
3772a991 10070 rc = lpfc_pci_probe_one_s3(pdev, pid);
8fa38513 10071
3772a991
JS		 10072 return rc;
10073}
10074
10075/**
10076 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
10077 * @pdev: pointer to PCI device
10078 *
10079 * This routine is to be registered to the kernel's PCI subsystem. When an
10080 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
10081 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
10082 * remove routine, which will perform all the necessary cleanup for the
10083 * device to be removed from the PCI subsystem properly.
10084 **/
10085static void __devexit
10086lpfc_pci_remove_one(struct pci_dev *pdev)
10087{
10088 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10089 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10090
10091 switch (phba->pci_dev_grp) {
10092 case LPFC_PCI_DEV_LP:
10093 lpfc_pci_remove_one_s3(pdev);
10094 break;
da0436e9
JS		 10095 case LPFC_PCI_DEV_OC:
10096 lpfc_pci_remove_one_s4(pdev);
10097 break;
3772a991
JS		 10098 default:
10099 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10100 "1424 Invalid PCI device group: 0x%x\n",
10101 phba->pci_dev_grp);
10102 break;
10103 }
10104 return;
10105}
10106
10107/**
10108 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
10109 * @pdev: pointer to PCI device
10110 * @msg: power management message
10111 *
10112 * This routine is to be registered to the kernel's PCI subsystem to support
10113 * system Power Management (PM). When PM invokes this method, it dispatches
10114 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
10115 * suspend the device.
10116 *
10117 * Return code
10118 * 0 - driver suspended the device
10119 * Error otherwise
10120 **/
10121static int
10122lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg)
10123{
10124 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10125 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10126 int rc = -ENODEV;
10127
10128 switch (phba->pci_dev_grp) {
10129 case LPFC_PCI_DEV_LP:
10130 rc = lpfc_pci_suspend_one_s3(pdev, msg);
10131 break;
da0436e9
JS		 10132 case LPFC_PCI_DEV_OC:
10133 rc = lpfc_pci_suspend_one_s4(pdev, msg);
10134 break;
3772a991
JS		 10135 default:
10136 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10137 "1425 Invalid PCI device group: 0x%x\n",
10138 phba->pci_dev_grp);
10139 break;
10140 }
10141 return rc;
10142}
10143
10144/**
10145 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
10146 * @pdev: pointer to PCI device
10147 *
10148 * This routine is to be registered to the kernel's PCI subsystem to support
10149 * system Power Management (PM). When PM invokes this method, it dispatches
10150 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
10151 * resume the device.
10152 *
10153 * Return code
10154 * 0 - driver suspended the device
10155 * Error otherwise
10156 **/
10157static int
10158lpfc_pci_resume_one(struct pci_dev *pdev)
10159{
10160 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10161 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10162 int rc = -ENODEV;
10163
10164 switch (phba->pci_dev_grp) {
10165 case LPFC_PCI_DEV_LP:
10166 rc = lpfc_pci_resume_one_s3(pdev);
10167 break;
da0436e9
JS		 10168 case LPFC_PCI_DEV_OC:
10169 rc = lpfc_pci_resume_one_s4(pdev);
10170 break;
3772a991
JS		 10171 default:
10172 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10173 "1426 Invalid PCI device group: 0x%x\n",
10174 phba->pci_dev_grp);
10175 break;
10176 }
10177 return rc;
10178}
10179
10180/**
10181 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
10182 * @pdev: pointer to PCI device.
10183 * @state: the current PCI connection state.
10184 *
10185 * This routine is registered to the PCI subsystem for error handling. This
10186 * function is called by the PCI subsystem after a PCI bus error affecting
10187 * this device has been detected. When this routine is invoked, it dispatches
10188 * the action to the proper SLI-3 or SLI-4 device error detected handling
10189 * routine, which will perform the proper error detected operation.
10190 *
10191 * Return codes
10192 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10193 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10194 **/
10195static pci_ers_result_t
10196lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
10197{
10198 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10199 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10200 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
10201
10202 switch (phba->pci_dev_grp) {
10203 case LPFC_PCI_DEV_LP:
10204 rc = lpfc_io_error_detected_s3(pdev, state);
10205 break;
da0436e9
JS		 10206 case LPFC_PCI_DEV_OC:
10207 rc = lpfc_io_error_detected_s4(pdev, state);
10208 break;
3772a991
JS		 10209 default:
10210 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10211 "1427 Invalid PCI device group: 0x%x\n",
10212 phba->pci_dev_grp);
10213 break;
10214 }
10215 return rc;
10216}
10217
10218/**
10219 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
10220 * @pdev: pointer to PCI device.
10221 *
10222 * This routine is registered to the PCI subsystem for error handling. This
10223 * function is called after PCI bus has been reset to restart the PCI card
10224 * from scratch, as if from a cold-boot. When this routine is invoked, it
10225 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
10226 * routine, which will perform the proper device reset.
10227 *
10228 * Return codes
10229 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10230 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10231 **/
10232static pci_ers_result_t
10233lpfc_io_slot_reset(struct pci_dev *pdev)
10234{
10235 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10236 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10237 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
10238
10239 switch (phba->pci_dev_grp) {
10240 case LPFC_PCI_DEV_LP:
10241 rc = lpfc_io_slot_reset_s3(pdev);
10242 break;
da0436e9
JS		 10243 case LPFC_PCI_DEV_OC:
10244 rc = lpfc_io_slot_reset_s4(pdev);
10245 break;
3772a991
JS		 10246 default:
10247 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10248 "1428 Invalid PCI device group: 0x%x\n",
10249 phba->pci_dev_grp);
10250 break;
10251 }
10252 return rc;
10253}
10254
10255/**
10256 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
10257 * @pdev: pointer to PCI device
10258 *
10259 * This routine is registered to the PCI subsystem for error handling. It
10260 * is called when kernel error recovery tells the lpfc driver that it is
10261 * OK to resume normal PCI operation after PCI bus error recovery. When
10262 * this routine is invoked, it dispatches the action to the proper SLI-3
10263 * or SLI-4 device io_resume routine, which will resume the device operation.
10264 **/
10265static void
10266lpfc_io_resume(struct pci_dev *pdev)
10267{
10268 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10269 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10270
10271 switch (phba->pci_dev_grp) {
10272 case LPFC_PCI_DEV_LP:
10273 lpfc_io_resume_s3(pdev);
10274 break;
da0436e9
JS		 10275 case LPFC_PCI_DEV_OC:
10276 lpfc_io_resume_s4(pdev);
10277 break;
3772a991
JS		 10278 default:
10279 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10280 "1429 Invalid PCI device group: 0x%x\n",
10281 phba->pci_dev_grp);
10282 break;
10283 }
10284 return;
10285}
10286
3ef6d24c
JS		 10287/**
10288 * lpfc_mgmt_open - method called when 'lpfcmgmt' is opened from userspace
10289 * @inode: pointer to the inode representing the lpfcmgmt device
10290 * @filep: pointer to the file representing the open lpfcmgmt device
10291 *
10292 * This routine puts a reference count on the lpfc module whenever the
10293 * character device is opened
10294 **/
10295static int
10296lpfc_mgmt_open(struct inode *inode, struct file *filep)
10297{
10298 try_module_get(THIS_MODULE);
10299 return 0;
10300}
10301
10302/**
10303 * lpfc_mgmt_release - method called when 'lpfcmgmt' is closed in userspace
10304 * @inode: pointer to the inode representing the lpfcmgmt device
10305 * @filep: pointer to the file representing the open lpfcmgmt device
10306 *
10307 * This routine removes a reference count from the lpfc module when the
10308 * character device is closed
10309 **/
10310static int
10311lpfc_mgmt_release(struct inode *inode, struct file *filep)
10312{
10313 module_put(THIS_MODULE);
10314 return 0;
10315}
10316
dea3101e 10317static struct pci_device_id lpfc_id_table[] = {
10318 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
10319 PCI_ANY_ID, PCI_ANY_ID, },
06325e74
JSEC		 10320 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
10321 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10322 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
10323 PCI_ANY_ID, PCI_ANY_ID, },
10324 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
10325 PCI_ANY_ID, PCI_ANY_ID, },
10326 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
10327 PCI_ANY_ID, PCI_ANY_ID, },
10328 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
10329 PCI_ANY_ID, PCI_ANY_ID, },
10330 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
10331 PCI_ANY_ID, PCI_ANY_ID, },
10332 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
10333 PCI_ANY_ID, PCI_ANY_ID, },
10334 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
10335 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10336 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
10337 PCI_ANY_ID, PCI_ANY_ID, },
10338 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
10339 PCI_ANY_ID, PCI_ANY_ID, },
10340 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
10341 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10342 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
10343 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10344 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
10345 PCI_ANY_ID, PCI_ANY_ID, },
10346 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
10347 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10348 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
10349 PCI_ANY_ID, PCI_ANY_ID, },
10350 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
10351 PCI_ANY_ID, PCI_ANY_ID, },
10352 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
10353 PCI_ANY_ID, PCI_ANY_ID, },
84774a4d
JS		 10354 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET,
10355 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10356 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
10357 PCI_ANY_ID, PCI_ANY_ID, },
10358 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
10359 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10360 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
10361 PCI_ANY_ID, PCI_ANY_ID, },
10362 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
10363 PCI_ANY_ID, PCI_ANY_ID, },
10364 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
10365 PCI_ANY_ID, PCI_ANY_ID, },
10366 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
10367 PCI_ANY_ID, PCI_ANY_ID, },
10368 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
10369 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10370 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
10371 PCI_ANY_ID, PCI_ANY_ID, },
10372 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
10373 PCI_ANY_ID, PCI_ANY_ID, },
b87eab38
JS		 10374 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
10375 PCI_ANY_ID, PCI_ANY_ID, },
10376 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
10377 PCI_ANY_ID, PCI_ANY_ID, },
10378 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
10379 PCI_ANY_ID, PCI_ANY_ID, },
10380 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
10381 PCI_ANY_ID, PCI_ANY_ID, },
10382 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
10383 PCI_ANY_ID, PCI_ANY_ID, },
10384 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
10385 PCI_ANY_ID, PCI_ANY_ID, },
84774a4d
JS		 10386 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF,
10387 PCI_ANY_ID, PCI_ANY_ID, },
10388 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF,
10389 PCI_ANY_ID, PCI_ANY_ID, },
10390 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S,
10391 PCI_ANY_ID, PCI_ANY_ID, },
3772a991
JS		 10392 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK,
10393 PCI_ANY_ID, PCI_ANY_ID, },
a747c9ce
JS		 10394 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TOMCAT,
10395 PCI_ANY_ID, PCI_ANY_ID, },
10396 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FALCON,
6669f9bb 10397 PCI_ANY_ID, PCI_ANY_ID, },
98fc5dd9
JS		 10398 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BALIUS,
10399 PCI_ANY_ID, PCI_ANY_ID, },
085c647c
JS		 10400 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC,
10401 PCI_ANY_ID, PCI_ANY_ID, },
10402 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE,
10403 PCI_ANY_ID, PCI_ANY_ID, },
c0c11512
JS		 10404 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC_VF,
10405 PCI_ANY_ID, PCI_ANY_ID, },
10406 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE_VF,
10407 PCI_ANY_ID, PCI_ANY_ID, },
f8cafd38
JS		 10408 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK,
10409 PCI_ANY_ID, PCI_ANY_ID, },
10410 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK_VF,
10411 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10412 { 0 }
10413};
10414
10415MODULE_DEVICE_TABLE(pci, lpfc_id_table);
10416
a55b2d21 10417static const struct pci_error_handlers lpfc_err_handler = {
8d63f375
LV		 10418 .error_detected = lpfc_io_error_detected,
10419 .slot_reset = lpfc_io_slot_reset,
10420 .resume = lpfc_io_resume,
10421};
10422
dea3101e 10423static struct pci_driver lpfc_driver = {
10424 .name = LPFC_DRIVER_NAME,
10425 .id_table = lpfc_id_table,
10426 .probe = lpfc_pci_probe_one,
10427 .remove = __devexit_p(lpfc_pci_remove_one),
3a55b532 10428 .suspend = lpfc_pci_suspend_one,
3772a991 10429 .resume = lpfc_pci_resume_one,
2e0fef85 10430 .err_handler = &lpfc_err_handler,
dea3101e 10431};
10432
3ef6d24c
JS		 10433static const struct file_operations lpfc_mgmt_fop = {
10434 .open = lpfc_mgmt_open,
10435 .release = lpfc_mgmt_release,
10436};
10437
10438static struct miscdevice lpfc_mgmt_dev = {
10439 .minor = MISC_DYNAMIC_MINOR,
10440 .name = "lpfcmgmt",
10441 .fops = &lpfc_mgmt_fop,
10442};
10443
e59058c4 10444/**
3621a710 10445 * lpfc_init - lpfc module initialization routine
e59058c4
JS		 10446 *
10447 * This routine is to be invoked when the lpfc module is loaded into the
10448 * kernel. The special kernel macro module_init() is used to indicate the
10449 * role of this routine to the kernel as lpfc module entry point.
10450 *
10451 * Return codes
10452 * 0 - successful
10453 * -ENOMEM - FC attach transport failed
10454 * all others - failed
10455 */
dea3101e 10456static int __init
10457lpfc_init(void)
10458{
10459 int error = 0;
10460
10461 printk(LPFC_MODULE_DESC "\n");
c44ce173 10462 printk(LPFC_COPYRIGHT "\n");
dea3101e 10463
3ef6d24c
JS		 10464 error = misc_register(&lpfc_mgmt_dev);
10465 if (error)
10466 printk(KERN_ERR "Could not register lpfcmgmt device, "
10467 "misc_register returned with status %d", error);
10468
7ee5d43e
JS		 10469 if (lpfc_enable_npiv) {
10470 lpfc_transport_functions.vport_create = lpfc_vport_create;
10471 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
10472 }
dea3101e 10473 lpfc_transport_template =
10474 fc_attach_transport(&lpfc_transport_functions);
7ee5d43e 10475 if (lpfc_transport_template == NULL)
dea3101e 10476 return -ENOMEM;
7ee5d43e 10477 if (lpfc_enable_npiv) {
7ee5d43e 10478 lpfc_vport_transport_template =
98c9ea5c
JS		 10479 fc_attach_transport(&lpfc_vport_transport_functions);
10480 if (lpfc_vport_transport_template == NULL) {
10481 fc_release_transport(lpfc_transport_template);
7ee5d43e 10482 return -ENOMEM;
98c9ea5c 10483 }
7ee5d43e 10484 }
dea3101e 10485 error = pci_register_driver(&lpfc_driver);
92d7f7b0 10486 if (error) {
dea3101e 10487 fc_release_transport(lpfc_transport_template);
d7c255b2
JS		 10488 if (lpfc_enable_npiv)
10489 fc_release_transport(lpfc_vport_transport_template);
92d7f7b0 10490 }
dea3101e 10491
10492 return error;
10493}
10494
e59058c4 10495/**
3621a710 10496 * lpfc_exit - lpfc module removal routine
e59058c4
JS		 10497 *
10498 * This routine is invoked when the lpfc module is removed from the kernel.
10499 * The special kernel macro module_exit() is used to indicate the role of
10500 * this routine to the kernel as lpfc module exit point.
10501 */
dea3101e 10502static void __exit
10503lpfc_exit(void)
10504{
3ef6d24c 10505 misc_deregister(&lpfc_mgmt_dev);
dea3101e 10506 pci_unregister_driver(&lpfc_driver);
10507 fc_release_transport(lpfc_transport_template);
7ee5d43e
JS		 10508 if (lpfc_enable_npiv)
10509 fc_release_transport(lpfc_vport_transport_template);
81301a9b 10510 if (_dump_buf_data) {
6a9c52cf
JS		 10511 printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for "
10512 "_dump_buf_data at 0x%p\n",
81301a9b
JS		 10513 (1L << _dump_buf_data_order), _dump_buf_data);
10514 free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order);
10515 }
10516
10517 if (_dump_buf_dif) {
6a9c52cf
JS		 10518 printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for "
10519 "_dump_buf_dif at 0x%p\n",
81301a9b
JS		 10520 (1L << _dump_buf_dif_order), _dump_buf_dif);
10521 free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order);
10522 }
dea3101e 10523}
10524
10525module_init(lpfc_init);
10526module_exit(lpfc_exit);
10527MODULE_LICENSE("GPL");
10528MODULE_DESCRIPTION(LPFC_MODULE_DESC);
10529MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
10530MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
Linux kernel - Deliverables
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