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[SCSI] lpfc 8.3.38: Fixed PT2PT bring up problem for FC SLI4.
[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);
09372820
JS		 842 spin_unlock_irq(&phba->hbalock);
843
a257bf90
JS		 844 /* Cancel all the IOCBs from the completions list */
845 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
846 IOERR_SLI_ABORTED);
09372820 847
41415862 848 lpfc_sli_abort_iocb_ring(phba, pring);
09372820 849 spin_lock_irq(&phba->hbalock);
41415862 850 }
09372820 851 spin_unlock_irq(&phba->hbalock);
41415862
JW		 852
853 return 0;
854}
5af5eee7 855
da0436e9
JS		 856/**
857 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
858 * @phba: pointer to lpfc HBA data structure.
859 *
860 * This routine will do uninitialization after the HBA is reset when bring
861 * down the SLI Layer.
862 *
863 * Return codes
af901ca1 864 * 0 - success.
da0436e9
JS		 865 * Any other value - error.
866 **/
867static int
868lpfc_hba_down_post_s4(struct lpfc_hba *phba)
869{
870 struct lpfc_scsi_buf *psb, *psb_next;
871 LIST_HEAD(aborts);
872 int ret;
873 unsigned long iflag = 0;
0f65ff68
JS		 874 struct lpfc_sglq *sglq_entry = NULL;
875
da0436e9
JS		 876 ret = lpfc_hba_down_post_s3(phba);
877 if (ret)
878 return ret;
879 /* At this point in time the HBA is either reset or DOA. Either
880 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
881 * on the lpfc_sgl_list so that it can either be freed if the
882 * driver is unloading or reposted if the driver is restarting
883 * the port.
884 */
885 spin_lock_irq(&phba->hbalock); /* required for lpfc_sgl_list and */
886 /* scsl_buf_list */
887 /* abts_sgl_list_lock required because worker thread uses this
888 * list.
889 */
890 spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
0f65ff68
JS		 891 list_for_each_entry(sglq_entry,
892 &phba->sli4_hba.lpfc_abts_els_sgl_list, list)
893 sglq_entry->state = SGL_FREED;
894
da0436e9
JS		 895 list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list,
896 &phba->sli4_hba.lpfc_sgl_list);
897 spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
898 /* abts_scsi_buf_list_lock required because worker thread uses this
899 * list.
900 */
901 spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
902 list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list,
903 &aborts);
904 spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
905 spin_unlock_irq(&phba->hbalock);
906
907 list_for_each_entry_safe(psb, psb_next, &aborts, list) {
908 psb->pCmd = NULL;
909 psb->status = IOSTAT_SUCCESS;
910 }
911 spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag);
912 list_splice(&aborts, &phba->lpfc_scsi_buf_list);
913 spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag);
914 return 0;
915}
916
917/**
918 * lpfc_hba_down_post - Wrapper func for hba down post routine
919 * @phba: pointer to lpfc HBA data structure.
920 *
921 * This routine wraps the actual SLI3 or SLI4 routine for performing
922 * uninitialization after the HBA is reset when bring down the SLI Layer.
923 *
924 * Return codes
af901ca1 925 * 0 - success.
da0436e9
JS		 926 * Any other value - error.
927 **/
928int
929lpfc_hba_down_post(struct lpfc_hba *phba)
930{
931 return (*phba->lpfc_hba_down_post)(phba);
932}
41415862 933
e59058c4 934/**
3621a710 935 * lpfc_hb_timeout - The HBA-timer timeout handler
e59058c4
JS		 936 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
937 *
938 * This is the HBA-timer timeout handler registered to the lpfc driver. When
939 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
940 * work-port-events bitmap and the worker thread is notified. This timeout
941 * event will be used by the worker thread to invoke the actual timeout
942 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
943 * be performed in the timeout handler and the HBA timeout event bit shall
944 * be cleared by the worker thread after it has taken the event bitmap out.
945 **/
a6ababd2 946static void
858c9f6c
JS		 947lpfc_hb_timeout(unsigned long ptr)
948{
949 struct lpfc_hba *phba;
5e9d9b82 950 uint32_t tmo_posted;
858c9f6c
JS		 951 unsigned long iflag;
952
953 phba = (struct lpfc_hba *)ptr;
9399627f
JS		 954
955 /* Check for heart beat timeout conditions */
858c9f6c 956 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
5e9d9b82
JS		 957 tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO;
958 if (!tmo_posted)
858c9f6c
JS		 959 phba->pport->work_port_events |= WORKER_HB_TMO;
960 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
961
9399627f 962 /* Tell the worker thread there is work to do */
5e9d9b82
JS		 963 if (!tmo_posted)
964 lpfc_worker_wake_up(phba);
858c9f6c
JS		 965 return;
966}
967
19ca7609
JS		 968/**
969 * lpfc_rrq_timeout - The RRQ-timer timeout handler
970 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
971 *
972 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
973 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
974 * work-port-events bitmap and the worker thread is notified. This timeout
975 * event will be used by the worker thread to invoke the actual timeout
976 * handler routine, lpfc_rrq_handler. Any periodical operations will
977 * be performed in the timeout handler and the RRQ timeout event bit shall
978 * be cleared by the worker thread after it has taken the event bitmap out.
979 **/
980static void
981lpfc_rrq_timeout(unsigned long ptr)
982{
983 struct lpfc_hba *phba;
19ca7609
JS		 984 unsigned long iflag;
985
986 phba = (struct lpfc_hba *)ptr;
987 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
1151e3ec 988 phba->hba_flag |= HBA_RRQ_ACTIVE;
19ca7609 989 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
1151e3ec 990 lpfc_worker_wake_up(phba);
19ca7609
JS		 991}
992
e59058c4 993/**
3621a710 994 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
e59058c4
JS		 995 * @phba: pointer to lpfc hba data structure.
996 * @pmboxq: pointer to the driver internal queue element for mailbox command.
997 *
998 * This is the callback function to the lpfc heart-beat mailbox command.
999 * If configured, the lpfc driver issues the heart-beat mailbox command to
1000 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1001 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1002 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1003 * heart-beat outstanding state. Once the mailbox command comes back and
1004 * no error conditions detected, the heart-beat mailbox command timer is
1005 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1006 * state is cleared for the next heart-beat. If the timer expired with the
1007 * heart-beat outstanding state set, the driver will put the HBA offline.
1008 **/
858c9f6c
JS		 1009static void
1010lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
1011{
1012 unsigned long drvr_flag;
1013
1014 spin_lock_irqsave(&phba->hbalock, drvr_flag);
1015 phba->hb_outstanding = 0;
1016 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
1017
9399627f 1018 /* Check and reset heart-beat timer is necessary */
858c9f6c
JS		 1019 mempool_free(pmboxq, phba->mbox_mem_pool);
1020 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
1021 !(phba->link_state == LPFC_HBA_ERROR) &&
51ef4c26 1022 !(phba->pport->load_flag & FC_UNLOADING))
858c9f6c
JS		 1023 mod_timer(&phba->hb_tmofunc,
1024 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
1025 return;
1026}
1027
e59058c4 1028/**
3621a710 1029 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
e59058c4
JS		 1030 * @phba: pointer to lpfc hba data structure.
1031 *
1032 * This is the actual HBA-timer timeout handler to be invoked by the worker
1033 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1034 * handler performs any periodic operations needed for the device. If such
1035 * periodic event has already been attended to either in the interrupt handler
1036 * or by processing slow-ring or fast-ring events within the HBA-timer
1037 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1038 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1039 * is configured and there is no heart-beat mailbox command outstanding, a
1040 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1041 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1042 * to offline.
1043 **/
858c9f6c
JS		 1044void
1045lpfc_hb_timeout_handler(struct lpfc_hba *phba)
1046{
45ed1190 1047 struct lpfc_vport **vports;
858c9f6c 1048 LPFC_MBOXQ_t *pmboxq;
0ff10d46 1049 struct lpfc_dmabuf *buf_ptr;
45ed1190 1050 int retval, i;
858c9f6c 1051 struct lpfc_sli *psli = &phba->sli;
0ff10d46 1052 LIST_HEAD(completions);
858c9f6c 1053
45ed1190
JS		 1054 vports = lpfc_create_vport_work_array(phba);
1055 if (vports != NULL)
1056 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
1057 lpfc_rcv_seq_check_edtov(vports[i]);
1058 lpfc_destroy_vport_work_array(phba, vports);
1059
858c9f6c 1060 if ((phba->link_state == LPFC_HBA_ERROR) ||
51ef4c26 1061 (phba->pport->load_flag & FC_UNLOADING) ||
858c9f6c
JS		 1062 (phba->pport->fc_flag & FC_OFFLINE_MODE))
1063 return;
1064
1065 spin_lock_irq(&phba->pport->work_port_lock);
858c9f6c
JS		 1066
1067 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
1068 jiffies)) {
1069 spin_unlock_irq(&phba->pport->work_port_lock);
1070 if (!phba->hb_outstanding)
1071 mod_timer(&phba->hb_tmofunc,
1072 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
1073 else
1074 mod_timer(&phba->hb_tmofunc,
1075 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
1076 return;
1077 }
1078 spin_unlock_irq(&phba->pport->work_port_lock);
1079
0ff10d46
JS		 1080 if (phba->elsbuf_cnt &&
1081 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
1082 spin_lock_irq(&phba->hbalock);
1083 list_splice_init(&phba->elsbuf, &completions);
1084 phba->elsbuf_cnt = 0;
1085 phba->elsbuf_prev_cnt = 0;
1086 spin_unlock_irq(&phba->hbalock);
1087
1088 while (!list_empty(&completions)) {
1089 list_remove_head(&completions, buf_ptr,
1090 struct lpfc_dmabuf, list);
1091 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
1092 kfree(buf_ptr);
1093 }
1094 }
1095 phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
1096
858c9f6c 1097 /* If there is no heart beat outstanding, issue a heartbeat command */
13815c83
JS		 1098 if (phba->cfg_enable_hba_heartbeat) {
1099 if (!phba->hb_outstanding) {
bc73905a
JS		 1100 if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) &&
1101 (list_empty(&psli->mboxq))) {
1102 pmboxq = mempool_alloc(phba->mbox_mem_pool,
1103 GFP_KERNEL);
1104 if (!pmboxq) {
1105 mod_timer(&phba->hb_tmofunc,
1106 jiffies +
1107 HZ * LPFC_HB_MBOX_INTERVAL);
1108 return;
1109 }
1110
1111 lpfc_heart_beat(phba, pmboxq);
1112 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
1113 pmboxq->vport = phba->pport;
1114 retval = lpfc_sli_issue_mbox(phba, pmboxq,
1115 MBX_NOWAIT);
1116
1117 if (retval != MBX_BUSY &&
1118 retval != MBX_SUCCESS) {
1119 mempool_free(pmboxq,
1120 phba->mbox_mem_pool);
1121 mod_timer(&phba->hb_tmofunc,
1122 jiffies +
1123 HZ * LPFC_HB_MBOX_INTERVAL);
1124 return;
1125 }
1126 phba->skipped_hb = 0;
1127 phba->hb_outstanding = 1;
1128 } else if (time_before_eq(phba->last_completion_time,
1129 phba->skipped_hb)) {
1130 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1131 "2857 Last completion time not "
1132 " updated in %d ms\n",
1133 jiffies_to_msecs(jiffies
1134 - phba->last_completion_time));
1135 } else
1136 phba->skipped_hb = jiffies;
1137
858c9f6c 1138 mod_timer(&phba->hb_tmofunc,
13815c83 1139 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
858c9f6c 1140 return;
13815c83
JS		 1141 } else {
1142 /*
1143 * If heart beat timeout called with hb_outstanding set
dcf2a4e0
JS		 1144 * we need to give the hb mailbox cmd a chance to
1145 * complete or TMO.
13815c83 1146 */
dcf2a4e0
JS		 1147 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1148 "0459 Adapter heartbeat still out"
1149 "standing:last compl time was %d ms.\n",
1150 jiffies_to_msecs(jiffies
1151 - phba->last_completion_time));
1152 mod_timer(&phba->hb_tmofunc,
1153 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
858c9f6c 1154 }
858c9f6c
JS		 1155 }
1156}
1157
e59058c4 1158/**
3621a710 1159 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
e59058c4
JS		 1160 * @phba: pointer to lpfc hba data structure.
1161 *
1162 * This routine is called to bring the HBA offline when HBA hardware error
1163 * other than Port Error 6 has been detected.
1164 **/
09372820
JS		 1165static void
1166lpfc_offline_eratt(struct lpfc_hba *phba)
1167{
1168 struct lpfc_sli *psli = &phba->sli;
1169
1170 spin_lock_irq(&phba->hbalock);
f4b4c68f 1171 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
09372820 1172 spin_unlock_irq(&phba->hbalock);
618a5230 1173 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
09372820
JS		 1174
1175 lpfc_offline(phba);
1176 lpfc_reset_barrier(phba);
f4b4c68f 1177 spin_lock_irq(&phba->hbalock);
09372820 1178 lpfc_sli_brdreset(phba);
f4b4c68f 1179 spin_unlock_irq(&phba->hbalock);
09372820
JS		 1180 lpfc_hba_down_post(phba);
1181 lpfc_sli_brdready(phba, HS_MBRDY);
1182 lpfc_unblock_mgmt_io(phba);
1183 phba->link_state = LPFC_HBA_ERROR;
1184 return;
1185}
1186
da0436e9
JS		 1187/**
1188 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1189 * @phba: pointer to lpfc hba data structure.
1190 *
1191 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1192 * other than Port Error 6 has been detected.
1193 **/
1194static void
1195lpfc_sli4_offline_eratt(struct lpfc_hba *phba)
1196{
618a5230 1197 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
da0436e9
JS		 1198 lpfc_offline(phba);
1199 lpfc_sli4_brdreset(phba);
1200 lpfc_hba_down_post(phba);
1201 lpfc_sli4_post_status_check(phba);
1202 lpfc_unblock_mgmt_io(phba);
1203 phba->link_state = LPFC_HBA_ERROR;
1204}
1205
a257bf90
JS		 1206/**
1207 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1208 * @phba: pointer to lpfc hba data structure.
1209 *
1210 * This routine is invoked to handle the deferred HBA hardware error
1211 * conditions. This type of error is indicated by HBA by setting ER1
1212 * and another ER bit in the host status register. The driver will
1213 * wait until the ER1 bit clears before handling the error condition.
1214 **/
1215static void
1216lpfc_handle_deferred_eratt(struct lpfc_hba *phba)
1217{
1218 uint32_t old_host_status = phba->work_hs;
1219 struct lpfc_sli_ring *pring;
1220 struct lpfc_sli *psli = &phba->sli;
1221
f4b4c68f
JS		 1222 /* If the pci channel is offline, ignore possible errors,
1223 * since we cannot communicate with the pci card anyway.
1224 */
1225 if (pci_channel_offline(phba->pcidev)) {
1226 spin_lock_irq(&phba->hbalock);
1227 phba->hba_flag &= ~DEFER_ERATT;
1228 spin_unlock_irq(&phba->hbalock);
1229 return;
1230 }
1231
a257bf90
JS		 1232 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1233 "0479 Deferred Adapter Hardware Error "
1234 "Data: x%x x%x x%x\n",
1235 phba->work_hs,
1236 phba->work_status[0], phba->work_status[1]);
1237
1238 spin_lock_irq(&phba->hbalock);
f4b4c68f 1239 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
a257bf90
JS		 1240 spin_unlock_irq(&phba->hbalock);
1241
1242
1243 /*
1244 * Firmware stops when it triggred erratt. That could cause the I/Os
1245 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1246 * SCSI layer retry it after re-establishing link.
1247 */
1248 pring = &psli->ring[psli->fcp_ring];
1249 lpfc_sli_abort_iocb_ring(phba, pring);
1250
1251 /*
1252 * There was a firmware error. Take the hba offline and then
1253 * attempt to restart it.
1254 */
618a5230 1255 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
a257bf90
JS		 1256 lpfc_offline(phba);
1257
1258 /* Wait for the ER1 bit to clear.*/
1259 while (phba->work_hs & HS_FFER1) {
1260 msleep(100);
9940b97b
JS		 1261 if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) {
1262 phba->work_hs = UNPLUG_ERR ;
1263 break;
1264 }
a257bf90
JS		 1265 /* If driver is unloading let the worker thread continue */
1266 if (phba->pport->load_flag & FC_UNLOADING) {
1267 phba->work_hs = 0;
1268 break;
1269 }
1270 }
1271
1272 /*
1273 * This is to ptrotect against a race condition in which
1274 * first write to the host attention register clear the
1275 * host status register.
1276 */
1277 if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING)))
1278 phba->work_hs = old_host_status & ~HS_FFER1;
1279
3772a991 1280 spin_lock_irq(&phba->hbalock);
a257bf90 1281 phba->hba_flag &= ~DEFER_ERATT;
3772a991 1282 spin_unlock_irq(&phba->hbalock);
a257bf90
JS		 1283 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
1284 phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
1285}
1286
3772a991
JS		 1287static void
1288lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba)
1289{
1290 struct lpfc_board_event_header board_event;
1291 struct Scsi_Host *shost;
1292
1293 board_event.event_type = FC_REG_BOARD_EVENT;
1294 board_event.subcategory = LPFC_EVENT_PORTINTERR;
1295 shost = lpfc_shost_from_vport(phba->pport);
1296 fc_host_post_vendor_event(shost, fc_get_event_number(),
1297 sizeof(board_event),
1298 (char *) &board_event,
1299 LPFC_NL_VENDOR_ID);
1300}
1301
e59058c4 1302/**
3772a991 1303 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
e59058c4
JS		 1304 * @phba: pointer to lpfc hba data structure.
1305 *
1306 * This routine is invoked to handle the following HBA hardware error
1307 * conditions:
1308 * 1 - HBA error attention interrupt
1309 * 2 - DMA ring index out of range
1310 * 3 - Mailbox command came back as unknown
1311 **/
3772a991
JS		 1312static void
1313lpfc_handle_eratt_s3(struct lpfc_hba *phba)
dea3101e 1314{
2e0fef85 1315 struct lpfc_vport *vport = phba->pport;
2e0fef85 1316 struct lpfc_sli *psli = &phba->sli;
dea3101e 1317 struct lpfc_sli_ring *pring;
d2873e4c 1318 uint32_t event_data;
57127f15
JS		 1319 unsigned long temperature;
1320 struct temp_event temp_event_data;
92d7f7b0 1321 struct Scsi_Host *shost;
2e0fef85 1322
8d63f375 1323 /* If the pci channel is offline, ignore possible errors,
3772a991
JS		 1324 * since we cannot communicate with the pci card anyway.
1325 */
1326 if (pci_channel_offline(phba->pcidev)) {
1327 spin_lock_irq(&phba->hbalock);
1328 phba->hba_flag &= ~DEFER_ERATT;
1329 spin_unlock_irq(&phba->hbalock);
8d63f375 1330 return;
3772a991
JS		 1331 }
1332
13815c83
JS		 1333 /* If resets are disabled then leave the HBA alone and return */
1334 if (!phba->cfg_enable_hba_reset)
1335 return;
dea3101e 1336
ea2151b4 1337 /* Send an internal error event to mgmt application */
3772a991 1338 lpfc_board_errevt_to_mgmt(phba);
ea2151b4 1339
a257bf90
JS		 1340 if (phba->hba_flag & DEFER_ERATT)
1341 lpfc_handle_deferred_eratt(phba);
1342
dcf2a4e0
JS		 1343 if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) {
1344 if (phba->work_hs & HS_FFER6)
1345 /* Re-establishing Link */
1346 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1347 "1301 Re-establishing Link "
1348 "Data: x%x x%x x%x\n",
1349 phba->work_hs, phba->work_status[0],
1350 phba->work_status[1]);
1351 if (phba->work_hs & HS_FFER8)
1352 /* Device Zeroization */
1353 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1354 "2861 Host Authentication device "
1355 "zeroization Data:x%x x%x x%x\n",
1356 phba->work_hs, phba->work_status[0],
1357 phba->work_status[1]);
58da1ffb 1358
92d7f7b0 1359 spin_lock_irq(&phba->hbalock);
f4b4c68f 1360 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
92d7f7b0 1361 spin_unlock_irq(&phba->hbalock);
dea3101e 1362
1363 /*
1364 * Firmware stops when it triggled erratt with HS_FFER6.
1365 * That could cause the I/Os dropped by the firmware.
1366 * Error iocb (I/O) on txcmplq and let the SCSI layer
1367 * retry it after re-establishing link.
1368 */
1369 pring = &psli->ring[psli->fcp_ring];
1370 lpfc_sli_abort_iocb_ring(phba, pring);
1371
dea3101e 1372 /*
1373 * There was a firmware error. Take the hba offline and then
1374 * attempt to restart it.
1375 */
618a5230 1376 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
dea3101e 1377 lpfc_offline(phba);
41415862 1378 lpfc_sli_brdrestart(phba);
dea3101e 1379 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
46fa311e 1380 lpfc_unblock_mgmt_io(phba);
dea3101e 1381 return;
1382 }
46fa311e 1383 lpfc_unblock_mgmt_io(phba);
57127f15
JS		 1384 } else if (phba->work_hs & HS_CRIT_TEMP) {
1385 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
1386 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
1387 temp_event_data.event_code = LPFC_CRIT_TEMP;
1388 temp_event_data.data = (uint32_t)temperature;
1389
1390 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
d7c255b2 1391 "0406 Adapter maximum temperature exceeded "
57127f15
JS		 1392 "(%ld), taking this port offline "
1393 "Data: x%x x%x x%x\n",
1394 temperature, phba->work_hs,
1395 phba->work_status[0], phba->work_status[1]);
1396
1397 shost = lpfc_shost_from_vport(phba->pport);
1398 fc_host_post_vendor_event(shost, fc_get_event_number(),
1399 sizeof(temp_event_data),
1400 (char *) &temp_event_data,
1401 SCSI_NL_VID_TYPE_PCI
1402 | PCI_VENDOR_ID_EMULEX);
1403
7af67051 1404 spin_lock_irq(&phba->hbalock);
7af67051
JS		 1405 phba->over_temp_state = HBA_OVER_TEMP;
1406 spin_unlock_irq(&phba->hbalock);
09372820 1407 lpfc_offline_eratt(phba);
57127f15 1408
dea3101e 1409 } else {
1410 /* The if clause above forces this code path when the status
9399627f
JS		 1411 * failure is a value other than FFER6. Do not call the offline
1412 * twice. This is the adapter hardware error path.
dea3101e 1413 */
1414 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 1415 "0457 Adapter Hardware Error "
dea3101e 1416 "Data: x%x x%x x%x\n",
e8b62011 1417 phba->work_hs,
dea3101e 1418 phba->work_status[0], phba->work_status[1]);
1419
d2873e4c 1420 event_data = FC_REG_DUMP_EVENT;
92d7f7b0 1421 shost = lpfc_shost_from_vport(vport);
2e0fef85 1422 fc_host_post_vendor_event(shost, fc_get_event_number(),
d2873e4c
JS		 1423 sizeof(event_data), (char *) &event_data,
1424 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
1425
09372820 1426 lpfc_offline_eratt(phba);
dea3101e 1427 }
9399627f 1428 return;
dea3101e 1429}
1430
618a5230
JS		 1431/**
1432 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1433 * @phba: pointer to lpfc hba data structure.
1434 * @mbx_action: flag for mailbox shutdown action.
1435 *
1436 * This routine is invoked to perform an SLI4 port PCI function reset in
1437 * response to port status register polling attention. It waits for port
1438 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1439 * During this process, interrupt vectors are freed and later requested
1440 * for handling possible port resource change.
1441 **/
1442static int
1443lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action)
1444{
1445 int rc;
1446 uint32_t intr_mode;
1447
1448 /*
1449 * On error status condition, driver need to wait for port
1450 * ready before performing reset.
1451 */
1452 rc = lpfc_sli4_pdev_status_reg_wait(phba);
1453 if (!rc) {
1454 /* need reset: attempt for port recovery */
1455 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1456 "2887 Reset Needed: Attempting Port "
1457 "Recovery...\n");
1458 lpfc_offline_prep(phba, mbx_action);
1459 lpfc_offline(phba);
1460 /* release interrupt for possible resource change */
1461 lpfc_sli4_disable_intr(phba);
1462 lpfc_sli_brdrestart(phba);
1463 /* request and enable interrupt */
1464 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
1465 if (intr_mode == LPFC_INTR_ERROR) {
1466 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1467 "3175 Failed to enable interrupt\n");
1468 return -EIO;
1469 } else {
1470 phba->intr_mode = intr_mode;
1471 }
1472 rc = lpfc_online(phba);
1473 if (rc == 0)
1474 lpfc_unblock_mgmt_io(phba);
1475 }
1476 return rc;
1477}
1478
da0436e9
JS		 1479/**
1480 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1481 * @phba: pointer to lpfc hba data structure.
1482 *
1483 * This routine is invoked to handle the SLI4 HBA hardware error attention
1484 * conditions.
1485 **/
1486static void
1487lpfc_handle_eratt_s4(struct lpfc_hba *phba)
1488{
1489 struct lpfc_vport *vport = phba->pport;
1490 uint32_t event_data;
1491 struct Scsi_Host *shost;
2fcee4bf 1492 uint32_t if_type;
2e90f4b5
JS		 1493 struct lpfc_register portstat_reg = {0};
1494 uint32_t reg_err1, reg_err2;
1495 uint32_t uerrlo_reg, uemasklo_reg;
1496 uint32_t pci_rd_rc1, pci_rd_rc2;
73d91e50 1497 int rc;
da0436e9
JS		 1498
1499 /* If the pci channel is offline, ignore possible errors, since
1500 * we cannot communicate with the pci card anyway.
1501 */
1502 if (pci_channel_offline(phba->pcidev))
1503 return;
1504 /* If resets are disabled then leave the HBA alone and return */
1505 if (!phba->cfg_enable_hba_reset)
1506 return;
1507
2fcee4bf
JS		 1508 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
1509 switch (if_type) {
1510 case LPFC_SLI_INTF_IF_TYPE_0:
2e90f4b5
JS		 1511 pci_rd_rc1 = lpfc_readl(
1512 phba->sli4_hba.u.if_type0.UERRLOregaddr,
1513 &uerrlo_reg);
1514 pci_rd_rc2 = lpfc_readl(
1515 phba->sli4_hba.u.if_type0.UEMASKLOregaddr,
1516 &uemasklo_reg);
1517 /* consider PCI bus read error as pci_channel_offline */
1518 if (pci_rd_rc1 == -EIO && pci_rd_rc2 == -EIO)
1519 return;
2fcee4bf
JS		 1520 lpfc_sli4_offline_eratt(phba);
1521 break;
1522 case LPFC_SLI_INTF_IF_TYPE_2:
2e90f4b5
JS		 1523 pci_rd_rc1 = lpfc_readl(
1524 phba->sli4_hba.u.if_type2.STATUSregaddr,
1525 &portstat_reg.word0);
1526 /* consider PCI bus read error as pci_channel_offline */
6b5151fd
JS		 1527 if (pci_rd_rc1 == -EIO) {
1528 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1529 "3151 PCI bus read access failure: x%x\n",
1530 readl(phba->sli4_hba.u.if_type2.STATUSregaddr));
2e90f4b5 1531 return;
6b5151fd 1532 }
2e90f4b5
JS		 1533 reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr);
1534 reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr);
2fcee4bf
JS		 1535 if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) {
1536 /* TODO: Register for Overtemp async events. */
1537 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1538 "2889 Port Overtemperature event, "
026abb87 1539 "taking port offline\n");
2fcee4bf
JS		 1540 spin_lock_irq(&phba->hbalock);
1541 phba->over_temp_state = HBA_OVER_TEMP;
1542 spin_unlock_irq(&phba->hbalock);
1543 lpfc_sli4_offline_eratt(phba);
2e90f4b5 1544 break;
2fcee4bf 1545 }
2e90f4b5
JS		 1546 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1547 reg_err2 == SLIPORT_ERR2_REG_FW_RESTART)
1548 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1549 "3143 Port Down: Firmware Restarted\n");
1550 else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1551 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
1552 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1553 "3144 Port Down: Debug Dump\n");
1554 else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1555 reg_err2 == SLIPORT_ERR2_REG_FUNC_PROVISON)
1556 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1557 "3145 Port Down: Provisioning\n");
618a5230
JS		 1558
1559 /* Check port status register for function reset */
1560 rc = lpfc_sli4_port_sta_fn_reset(phba, LPFC_MBX_NO_WAIT);
1561 if (rc == 0) {
1562 /* don't report event on forced debug dump */
1563 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1564 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
1565 return;
1566 else
1567 break;
2fcee4bf 1568 }
618a5230 1569 /* fall through for not able to recover */
6b5151fd
JS		 1570 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1571 "3152 Unrecoverable error, bring the port "
1572 "offline\n");
2fcee4bf
JS		 1573 lpfc_sli4_offline_eratt(phba);
1574 break;
1575 case LPFC_SLI_INTF_IF_TYPE_1:
1576 default:
1577 break;
1578 }
2e90f4b5
JS		 1579 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1580 "3123 Report dump event to upper layer\n");
1581 /* Send an internal error event to mgmt application */
1582 lpfc_board_errevt_to_mgmt(phba);
1583
1584 event_data = FC_REG_DUMP_EVENT;
1585 shost = lpfc_shost_from_vport(vport);
1586 fc_host_post_vendor_event(shost, fc_get_event_number(),
1587 sizeof(event_data), (char *) &event_data,
1588 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
da0436e9
JS		 1589}
1590
1591/**
1592 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1593 * @phba: pointer to lpfc HBA data structure.
1594 *
1595 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1596 * routine from the API jump table function pointer from the lpfc_hba struct.
1597 *
1598 * Return codes
af901ca1 1599 * 0 - success.
da0436e9
JS		 1600 * Any other value - error.
1601 **/
1602void
1603lpfc_handle_eratt(struct lpfc_hba *phba)
1604{
1605 (*phba->lpfc_handle_eratt)(phba);
1606}
1607
e59058c4 1608/**
3621a710 1609 * lpfc_handle_latt - The HBA link event handler
e59058c4
JS		 1610 * @phba: pointer to lpfc hba data structure.
1611 *
1612 * This routine is invoked from the worker thread to handle a HBA host
1613 * attention link event.
1614 **/
dea3101e 1615void
2e0fef85 1616lpfc_handle_latt(struct lpfc_hba *phba)
dea3101e 1617{
2e0fef85
JS		 1618 struct lpfc_vport *vport = phba->pport;
1619 struct lpfc_sli *psli = &phba->sli;
dea3101e 1620 LPFC_MBOXQ_t *pmb;
1621 volatile uint32_t control;
1622 struct lpfc_dmabuf *mp;
09372820 1623 int rc = 0;
dea3101e 1624
1625 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
09372820
JS		 1626 if (!pmb) {
1627 rc = 1;
dea3101e 1628 goto lpfc_handle_latt_err_exit;
09372820 1629 }
dea3101e 1630
1631 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
09372820
JS		 1632 if (!mp) {
1633 rc = 2;
dea3101e 1634 goto lpfc_handle_latt_free_pmb;
09372820 1635 }
dea3101e 1636
1637 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
09372820
JS		 1638 if (!mp->virt) {
1639 rc = 3;
dea3101e 1640 goto lpfc_handle_latt_free_mp;
09372820 1641 }
dea3101e 1642
6281bfe0 1643 /* Cleanup any outstanding ELS commands */
549e55cd 1644 lpfc_els_flush_all_cmd(phba);
dea3101e 1645
1646 psli->slistat.link_event++;
76a95d75
JS		 1647 lpfc_read_topology(phba, pmb, mp);
1648 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
2e0fef85 1649 pmb->vport = vport;
0d2b6b83
JS		 1650 /* Block ELS IOCBs until we have processed this mbox command */
1651 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
0b727fea 1652 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
09372820
JS		 1653 if (rc == MBX_NOT_FINISHED) {
1654 rc = 4;
14691150 1655 goto lpfc_handle_latt_free_mbuf;
09372820 1656 }
dea3101e 1657
1658 /* Clear Link Attention in HA REG */
2e0fef85 1659 spin_lock_irq(&phba->hbalock);
dea3101e 1660 writel(HA_LATT, phba->HAregaddr);
1661 readl(phba->HAregaddr); /* flush */
2e0fef85 1662 spin_unlock_irq(&phba->hbalock);
dea3101e 1663
1664 return;
1665
14691150 1666lpfc_handle_latt_free_mbuf:
0d2b6b83 1667 phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT;
14691150 1668 lpfc_mbuf_free(phba, mp->virt, mp->phys);
dea3101e 1669lpfc_handle_latt_free_mp:
1670 kfree(mp);
1671lpfc_handle_latt_free_pmb:
1dcb58e5 1672 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e 1673lpfc_handle_latt_err_exit:
1674 /* Enable Link attention interrupts */
2e0fef85 1675 spin_lock_irq(&phba->hbalock);
dea3101e 1676 psli->sli_flag |= LPFC_PROCESS_LA;
1677 control = readl(phba->HCregaddr);
1678 control |= HC_LAINT_ENA;
1679 writel(control, phba->HCregaddr);
1680 readl(phba->HCregaddr); /* flush */
1681
1682 /* Clear Link Attention in HA REG */
1683 writel(HA_LATT, phba->HAregaddr);
1684 readl(phba->HAregaddr); /* flush */
2e0fef85 1685 spin_unlock_irq(&phba->hbalock);
dea3101e 1686 lpfc_linkdown(phba);
2e0fef85 1687 phba->link_state = LPFC_HBA_ERROR;
dea3101e 1688
09372820
JS		 1689 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1690 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
dea3101e 1691
1692 return;
1693}
1694
e59058c4 1695/**
3621a710 1696 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
e59058c4
JS		 1697 * @phba: pointer to lpfc hba data structure.
1698 * @vpd: pointer to the vital product data.
1699 * @len: length of the vital product data in bytes.
1700 *
1701 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1702 * an array of characters. In this routine, the ModelName, ProgramType, and
1703 * ModelDesc, etc. fields of the phba data structure will be populated.
1704 *
1705 * Return codes
1706 * 0 - pointer to the VPD passed in is NULL
1707 * 1 - success
1708 **/
3772a991 1709int
2e0fef85 1710lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
dea3101e 1711{
1712 uint8_t lenlo, lenhi;
07da60c1 1713 int Length;
dea3101e 1714 int i, j;
1715 int finished = 0;
1716 int index = 0;
1717
1718 if (!vpd)
1719 return 0;
1720
1721 /* Vital Product */
ed957684 1722 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011 1723 "0455 Vital Product Data: x%x x%x x%x x%x\n",
dea3101e 1724 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
1725 (uint32_t) vpd[3]);
74b72a59 1726 while (!finished && (index < (len - 4))) {
dea3101e 1727 switch (vpd[index]) {
1728 case 0x82:
74b72a59 1729 case 0x91:
dea3101e 1730 index += 1;
1731 lenlo = vpd[index];
1732 index += 1;
1733 lenhi = vpd[index];
1734 index += 1;
1735 i = ((((unsigned short)lenhi) << 8) + lenlo);
1736 index += i;
1737 break;
1738 case 0x90:
1739 index += 1;
1740 lenlo = vpd[index];
1741 index += 1;
1742 lenhi = vpd[index];
1743 index += 1;
1744 Length = ((((unsigned short)lenhi) << 8) + lenlo);
74b72a59
JW		 1745 if (Length > len - index)
1746 Length = len - index;
dea3101e 1747 while (Length > 0) {
1748 /* Look for Serial Number */
1749 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
1750 index += 2;
1751 i = vpd[index];
1752 index += 1;
1753 j = 0;
1754 Length -= (3+i);
1755 while(i--) {
1756 phba->SerialNumber[j++] = vpd[index++];
1757 if (j == 31)
1758 break;
1759 }
1760 phba->SerialNumber[j] = 0;
1761 continue;
1762 }
1763 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
1764 phba->vpd_flag |= VPD_MODEL_DESC;
1765 index += 2;
1766 i = vpd[index];
1767 index += 1;
1768 j = 0;
1769 Length -= (3+i);
1770 while(i--) {
1771 phba->ModelDesc[j++] = vpd[index++];
1772 if (j == 255)
1773 break;
1774 }
1775 phba->ModelDesc[j] = 0;
1776 continue;
1777 }
1778 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
1779 phba->vpd_flag |= VPD_MODEL_NAME;
1780 index += 2;
1781 i = vpd[index];
1782 index += 1;
1783 j = 0;
1784 Length -= (3+i);
1785 while(i--) {
1786 phba->ModelName[j++] = vpd[index++];
1787 if (j == 79)
1788 break;
1789 }
1790 phba->ModelName[j] = 0;
1791 continue;
1792 }
1793 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
1794 phba->vpd_flag |= VPD_PROGRAM_TYPE;
1795 index += 2;
1796 i = vpd[index];
1797 index += 1;
1798 j = 0;
1799 Length -= (3+i);
1800 while(i--) {
1801 phba->ProgramType[j++] = vpd[index++];
1802 if (j == 255)
1803 break;
1804 }
1805 phba->ProgramType[j] = 0;
1806 continue;
1807 }
1808 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
1809 phba->vpd_flag |= VPD_PORT;
1810 index += 2;
1811 i = vpd[index];
1812 index += 1;
1813 j = 0;
1814 Length -= (3+i);
1815 while(i--) {
cd1c8301
JS		 1816 if ((phba->sli_rev == LPFC_SLI_REV4) &&
1817 (phba->sli4_hba.pport_name_sta ==
1818 LPFC_SLI4_PPNAME_GET)) {
1819 j++;
1820 index++;
1821 } else
1822 phba->Port[j++] = vpd[index++];
1823 if (j == 19)
1824 break;
dea3101e 1825 }
cd1c8301
JS		 1826 if ((phba->sli_rev != LPFC_SLI_REV4) ||
1827 (phba->sli4_hba.pport_name_sta ==
1828 LPFC_SLI4_PPNAME_NON))
1829 phba->Port[j] = 0;
dea3101e 1830 continue;
1831 }
1832 else {
1833 index += 2;
1834 i = vpd[index];
1835 index += 1;
1836 index += i;
1837 Length -= (3 + i);
1838 }
1839 }
1840 finished = 0;
1841 break;
1842 case 0x78:
1843 finished = 1;
1844 break;
1845 default:
1846 index ++;
1847 break;
1848 }
74b72a59 1849 }
dea3101e 1850
1851 return(1);
1852}
1853
e59058c4 1854/**
3621a710 1855 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
e59058c4
JS		 1856 * @phba: pointer to lpfc hba data structure.
1857 * @mdp: pointer to the data structure to hold the derived model name.
1858 * @descp: pointer to the data structure to hold the derived description.
1859 *
1860 * This routine retrieves HBA's description based on its registered PCI device
1861 * ID. The @descp passed into this function points to an array of 256 chars. It
1862 * shall be returned with the model name, maximum speed, and the host bus type.
1863 * The @mdp passed into this function points to an array of 80 chars. When the
1864 * function returns, the @mdp will be filled with the model name.
1865 **/
dea3101e 1866static void
2e0fef85 1867lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
dea3101e 1868{
1869 lpfc_vpd_t *vp;
fefcb2b6 1870 uint16_t dev_id = phba->pcidev->device;
74b72a59 1871 int max_speed;
84774a4d 1872 int GE = 0;
da0436e9 1873 int oneConnect = 0; /* default is not a oneConnect */
74b72a59 1874 struct {
a747c9ce
JS		 1875 char *name;
1876 char *bus;
1877 char *function;
1878 } m = {"<Unknown>", "", ""};
74b72a59
JW		 1879
1880 if (mdp && mdp[0] != '\0'
1881 && descp && descp[0] != '\0')
1882 return;
1883
c0c11512
JS		 1884 if (phba->lmt & LMT_16Gb)
1885 max_speed = 16;
1886 else if (phba->lmt & LMT_10Gb)
74b72a59
JW		 1887 max_speed = 10;
1888 else if (phba->lmt & LMT_8Gb)
1889 max_speed = 8;
1890 else if (phba->lmt & LMT_4Gb)
1891 max_speed = 4;
1892 else if (phba->lmt & LMT_2Gb)
1893 max_speed = 2;
4169d868 1894 else if (phba->lmt & LMT_1Gb)
74b72a59 1895 max_speed = 1;
4169d868
JS		 1896 else
1897 max_speed = 0;
dea3101e 1898
1899 vp = &phba->vpd;
dea3101e 1900
e4adb204 1901 switch (dev_id) {
06325e74 1902 case PCI_DEVICE_ID_FIREFLY:
a747c9ce 1903 m = (typeof(m)){"LP6000", "PCI", "Fibre Channel Adapter"};
06325e74 1904 break;
dea3101e 1905 case PCI_DEVICE_ID_SUPERFLY:
1906 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
a747c9ce
JS		 1907 m = (typeof(m)){"LP7000", "PCI",
1908 "Fibre Channel Adapter"};
dea3101e 1909 else
a747c9ce
JS		 1910 m = (typeof(m)){"LP7000E", "PCI",
1911 "Fibre Channel Adapter"};
dea3101e 1912 break;
1913 case PCI_DEVICE_ID_DRAGONFLY:
a747c9ce
JS		 1914 m = (typeof(m)){"LP8000", "PCI",
1915 "Fibre Channel Adapter"};
dea3101e 1916 break;
1917 case PCI_DEVICE_ID_CENTAUR:
1918 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
a747c9ce
JS		 1919 m = (typeof(m)){"LP9002", "PCI",
1920 "Fibre Channel Adapter"};
dea3101e 1921 else
a747c9ce
JS		 1922 m = (typeof(m)){"LP9000", "PCI",
1923 "Fibre Channel Adapter"};
dea3101e 1924 break;
1925 case PCI_DEVICE_ID_RFLY:
a747c9ce
JS		 1926 m = (typeof(m)){"LP952", "PCI",
1927 "Fibre Channel Adapter"};
dea3101e 1928 break;
1929 case PCI_DEVICE_ID_PEGASUS:
a747c9ce
JS		 1930 m = (typeof(m)){"LP9802", "PCI-X",
1931 "Fibre Channel Adapter"};
dea3101e 1932 break;
1933 case PCI_DEVICE_ID_THOR:
a747c9ce
JS		 1934 m = (typeof(m)){"LP10000", "PCI-X",
1935 "Fibre Channel Adapter"};
dea3101e 1936 break;
1937 case PCI_DEVICE_ID_VIPER:
a747c9ce
JS		 1938 m = (typeof(m)){"LPX1000", "PCI-X",
1939 "Fibre Channel Adapter"};
dea3101e 1940 break;
1941 case PCI_DEVICE_ID_PFLY:
a747c9ce
JS		 1942 m = (typeof(m)){"LP982", "PCI-X",
1943 "Fibre Channel Adapter"};
dea3101e 1944 break;
1945 case PCI_DEVICE_ID_TFLY:
a747c9ce
JS		 1946 m = (typeof(m)){"LP1050", "PCI-X",
1947 "Fibre Channel Adapter"};
dea3101e 1948 break;
1949 case PCI_DEVICE_ID_HELIOS:
a747c9ce
JS		 1950 m = (typeof(m)){"LP11000", "PCI-X2",
1951 "Fibre Channel Adapter"};
dea3101e 1952 break;
e4adb204 1953 case PCI_DEVICE_ID_HELIOS_SCSP:
a747c9ce
JS		 1954 m = (typeof(m)){"LP11000-SP", "PCI-X2",
1955 "Fibre Channel Adapter"};
e4adb204
JSEC		 1956 break;
1957 case PCI_DEVICE_ID_HELIOS_DCSP:
a747c9ce
JS		 1958 m = (typeof(m)){"LP11002-SP", "PCI-X2",
1959 "Fibre Channel Adapter"};
e4adb204
JSEC		 1960 break;
1961 case PCI_DEVICE_ID_NEPTUNE:
a747c9ce 1962 m = (typeof(m)){"LPe1000", "PCIe", "Fibre Channel Adapter"};
e4adb204
JSEC		 1963 break;
1964 case PCI_DEVICE_ID_NEPTUNE_SCSP:
a747c9ce 1965 m = (typeof(m)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"};
e4adb204
JSEC		 1966 break;
1967 case PCI_DEVICE_ID_NEPTUNE_DCSP:
a747c9ce 1968 m = (typeof(m)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"};
e4adb204 1969 break;
dea3101e 1970 case PCI_DEVICE_ID_BMID:
a747c9ce 1971 m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
dea3101e 1972 break;
1973 case PCI_DEVICE_ID_BSMB:
a747c9ce 1974 m = (typeof(m)){"LP111", "PCI-X2", "Fibre Channel Adapter"};
dea3101e 1975 break;
1976 case PCI_DEVICE_ID_ZEPHYR:
a747c9ce 1977 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
dea3101e 1978 break;
e4adb204 1979 case PCI_DEVICE_ID_ZEPHYR_SCSP:
a747c9ce 1980 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
e4adb204
JSEC		 1981 break;
1982 case PCI_DEVICE_ID_ZEPHYR_DCSP:
a747c9ce 1983 m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"};
a257bf90 1984 GE = 1;
e4adb204 1985 break;
dea3101e 1986 case PCI_DEVICE_ID_ZMID:
a747c9ce 1987 m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
dea3101e 1988 break;
1989 case PCI_DEVICE_ID_ZSMB:
a747c9ce 1990 m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"};
dea3101e 1991 break;
1992 case PCI_DEVICE_ID_LP101:
a747c9ce 1993 m = (typeof(m)){"LP101", "PCI-X", "Fibre Channel Adapter"};
dea3101e 1994 break;
1995 case PCI_DEVICE_ID_LP10000S:
a747c9ce 1996 m = (typeof(m)){"LP10000-S", "PCI", "Fibre Channel Adapter"};
06325e74 1997 break;
e4adb204 1998 case PCI_DEVICE_ID_LP11000S:
a747c9ce 1999 m = (typeof(m)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"};
18a3b596 2000 break;
e4adb204 2001 case PCI_DEVICE_ID_LPE11000S:
a747c9ce 2002 m = (typeof(m)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"};
5cc36b3c 2003 break;
b87eab38 2004 case PCI_DEVICE_ID_SAT:
a747c9ce 2005 m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2006 break;
2007 case PCI_DEVICE_ID_SAT_MID:
a747c9ce 2008 m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2009 break;
2010 case PCI_DEVICE_ID_SAT_SMB:
a747c9ce 2011 m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2012 break;
2013 case PCI_DEVICE_ID_SAT_DCSP:
a747c9ce 2014 m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2015 break;
2016 case PCI_DEVICE_ID_SAT_SCSP:
a747c9ce 2017 m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2018 break;
2019 case PCI_DEVICE_ID_SAT_S:
a747c9ce 2020 m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
b87eab38 2021 break;
84774a4d 2022 case PCI_DEVICE_ID_HORNET:
a747c9ce 2023 m = (typeof(m)){"LP21000", "PCIe", "FCoE Adapter"};
84774a4d
JS		 2024 GE = 1;
2025 break;
2026 case PCI_DEVICE_ID_PROTEUS_VF:
a747c9ce
JS		 2027 m = (typeof(m)){"LPev12000", "PCIe IOV",
2028 "Fibre Channel Adapter"};
84774a4d
JS		 2029 break;
2030 case PCI_DEVICE_ID_PROTEUS_PF:
a747c9ce
JS		 2031 m = (typeof(m)){"LPev12000", "PCIe IOV",
2032 "Fibre Channel Adapter"};
84774a4d
JS		 2033 break;
2034 case PCI_DEVICE_ID_PROTEUS_S:
a747c9ce
JS		 2035 m = (typeof(m)){"LPemv12002-S", "PCIe IOV",
2036 "Fibre Channel Adapter"};
84774a4d 2037 break;
da0436e9
JS		 2038 case PCI_DEVICE_ID_TIGERSHARK:
2039 oneConnect = 1;
a747c9ce 2040 m = (typeof(m)){"OCe10100", "PCIe", "FCoE"};
da0436e9 2041 break;
a747c9ce 2042 case PCI_DEVICE_ID_TOMCAT:
6669f9bb 2043 oneConnect = 1;
a747c9ce
JS		 2044 m = (typeof(m)){"OCe11100", "PCIe", "FCoE"};
2045 break;
2046 case PCI_DEVICE_ID_FALCON:
2047 m = (typeof(m)){"LPSe12002-ML1-E", "PCIe",
2048 "EmulexSecure Fibre"};
6669f9bb 2049 break;
98fc5dd9
JS		 2050 case PCI_DEVICE_ID_BALIUS:
2051 m = (typeof(m)){"LPVe12002", "PCIe Shared I/O",
2052 "Fibre Channel Adapter"};
2053 break;
085c647c 2054 case PCI_DEVICE_ID_LANCER_FC:
c0c11512
JS		 2055 case PCI_DEVICE_ID_LANCER_FC_VF:
2056 m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
085c647c
JS		 2057 break;
2058 case PCI_DEVICE_ID_LANCER_FCOE:
c0c11512 2059 case PCI_DEVICE_ID_LANCER_FCOE_VF:
085c647c 2060 oneConnect = 1;
079b5c91 2061 m = (typeof(m)){"OCe15100", "PCIe", "FCoE"};
085c647c 2062 break;
f8cafd38
JS		 2063 case PCI_DEVICE_ID_SKYHAWK:
2064 case PCI_DEVICE_ID_SKYHAWK_VF:
2065 oneConnect = 1;
2066 m = (typeof(m)){"OCe14000", "PCIe", "FCoE"};
2067 break;
5cc36b3c 2068 default:
a747c9ce 2069 m = (typeof(m)){"Unknown", "", ""};
e4adb204 2070 break;
dea3101e 2071 }
74b72a59
JW		 2072
2073 if (mdp && mdp[0] == '\0')
2074 snprintf(mdp, 79,"%s", m.name);
c0c11512
JS		 2075 /*
2076 * oneConnect hba requires special processing, they are all initiators
da0436e9
JS		 2077 * and we put the port number on the end
2078 */
2079 if (descp && descp[0] == '\0') {
2080 if (oneConnect)
2081 snprintf(descp, 255,
4169d868 2082 "Emulex OneConnect %s, %s Initiator %s",
a747c9ce 2083 m.name, m.function,
da0436e9 2084 phba->Port);
4169d868
JS		 2085 else if (max_speed == 0)
2086 snprintf(descp, 255,
2087 "Emulex %s %s %s ",
2088 m.name, m.bus, m.function);
da0436e9
JS		 2089 else
2090 snprintf(descp, 255,
2091 "Emulex %s %d%s %s %s",
a747c9ce
JS		 2092 m.name, max_speed, (GE) ? "GE" : "Gb",
2093 m.bus, m.function);
da0436e9 2094 }
dea3101e 2095}
2096
e59058c4 2097/**
3621a710 2098 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
e59058c4
JS		 2099 * @phba: pointer to lpfc hba data structure.
2100 * @pring: pointer to a IOCB ring.
2101 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2102 *
2103 * This routine posts a given number of IOCBs with the associated DMA buffer
2104 * descriptors specified by the cnt argument to the given IOCB ring.
2105 *
2106 * Return codes
2107 * The number of IOCBs NOT able to be posted to the IOCB ring.
2108 **/
dea3101e 2109int
495a714c 2110lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt)
dea3101e 2111{
2112 IOCB_t *icmd;
0bd4ca25 2113 struct lpfc_iocbq *iocb;
dea3101e 2114 struct lpfc_dmabuf *mp1, *mp2;
2115
2116 cnt += pring->missbufcnt;
2117
2118 /* While there are buffers to post */
2119 while (cnt > 0) {
2120 /* Allocate buffer for command iocb */
0bd4ca25 2121 iocb = lpfc_sli_get_iocbq(phba);
dea3101e 2122 if (iocb == NULL) {
2123 pring->missbufcnt = cnt;
2124 return cnt;
2125 }
dea3101e 2126 icmd = &iocb->iocb;
2127
2128 /* 2 buffers can be posted per command */
2129 /* Allocate buffer to post */
2130 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
2131 if (mp1)
98c9ea5c
JS		 2132 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
2133 if (!mp1 || !mp1->virt) {
c9475cb0 2134 kfree(mp1);
604a3e30 2135 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2136 pring->missbufcnt = cnt;
2137 return cnt;
2138 }
2139
2140 INIT_LIST_HEAD(&mp1->list);
2141 /* Allocate buffer to post */
2142 if (cnt > 1) {
2143 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
2144 if (mp2)
2145 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
2146 &mp2->phys);
98c9ea5c 2147 if (!mp2 || !mp2->virt) {
c9475cb0 2148 kfree(mp2);
dea3101e 2149 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
2150 kfree(mp1);
604a3e30 2151 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2152 pring->missbufcnt = cnt;
2153 return cnt;
2154 }
2155
2156 INIT_LIST_HEAD(&mp2->list);
2157 } else {
2158 mp2 = NULL;
2159 }
2160
2161 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
2162 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
2163 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
2164 icmd->ulpBdeCount = 1;
2165 cnt--;
2166 if (mp2) {
2167 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
2168 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
2169 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
2170 cnt--;
2171 icmd->ulpBdeCount = 2;
2172 }
2173
2174 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
2175 icmd->ulpLe = 1;
2176
3772a991
JS		 2177 if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) ==
2178 IOCB_ERROR) {
dea3101e 2179 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
2180 kfree(mp1);
2181 cnt++;
2182 if (mp2) {
2183 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
2184 kfree(mp2);
2185 cnt++;
2186 }
604a3e30 2187 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2188 pring->missbufcnt = cnt;
dea3101e 2189 return cnt;
2190 }
dea3101e 2191 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
92d7f7b0 2192 if (mp2)
dea3101e 2193 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
dea3101e 2194 }
2195 pring->missbufcnt = 0;
2196 return 0;
2197}
2198
e59058c4 2199/**
3621a710 2200 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
e59058c4
JS		 2201 * @phba: pointer to lpfc hba data structure.
2202 *
2203 * This routine posts initial receive IOCB buffers to the ELS ring. The
2204 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2205 * set to 64 IOCBs.
2206 *
2207 * Return codes
2208 * 0 - success (currently always success)
2209 **/
dea3101e 2210static int
2e0fef85 2211lpfc_post_rcv_buf(struct lpfc_hba *phba)
dea3101e 2212{
2213 struct lpfc_sli *psli = &phba->sli;
2214
2215 /* Ring 0, ELS / CT buffers */
495a714c 2216 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0);
dea3101e 2217 /* Ring 2 - FCP no buffers needed */
2218
2219 return 0;
2220}
2221
2222#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2223
e59058c4 2224/**
3621a710 2225 * lpfc_sha_init - Set up initial array of hash table entries
e59058c4
JS		 2226 * @HashResultPointer: pointer to an array as hash table.
2227 *
2228 * This routine sets up the initial values to the array of hash table entries
2229 * for the LC HBAs.
2230 **/
dea3101e 2231static void
2232lpfc_sha_init(uint32_t * HashResultPointer)
2233{
2234 HashResultPointer[0] = 0x67452301;
2235 HashResultPointer[1] = 0xEFCDAB89;
2236 HashResultPointer[2] = 0x98BADCFE;
2237 HashResultPointer[3] = 0x10325476;
2238 HashResultPointer[4] = 0xC3D2E1F0;
2239}
2240
e59058c4 2241/**
3621a710 2242 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
e59058c4
JS		 2243 * @HashResultPointer: pointer to an initial/result hash table.
2244 * @HashWorkingPointer: pointer to an working hash table.
2245 *
2246 * This routine iterates an initial hash table pointed by @HashResultPointer
2247 * with the values from the working hash table pointeed by @HashWorkingPointer.
2248 * The results are putting back to the initial hash table, returned through
2249 * the @HashResultPointer as the result hash table.
2250 **/
dea3101e 2251static void
2252lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
2253{
2254 int t;
2255 uint32_t TEMP;
2256 uint32_t A, B, C, D, E;
2257 t = 16;
2258 do {
2259 HashWorkingPointer[t] =
2260 S(1,
2261 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
2262 8] ^
2263 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
2264 } while (++t <= 79);
2265 t = 0;
2266 A = HashResultPointer[0];
2267 B = HashResultPointer[1];
2268 C = HashResultPointer[2];
2269 D = HashResultPointer[3];
2270 E = HashResultPointer[4];
2271
2272 do {
2273 if (t < 20) {
2274 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
2275 } else if (t < 40) {
2276 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
2277 } else if (t < 60) {
2278 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
2279 } else {
2280 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
2281 }
2282 TEMP += S(5, A) + E + HashWorkingPointer[t];
2283 E = D;
2284 D = C;
2285 C = S(30, B);
2286 B = A;
2287 A = TEMP;
2288 } while (++t <= 79);
2289
2290 HashResultPointer[0] += A;
2291 HashResultPointer[1] += B;
2292 HashResultPointer[2] += C;
2293 HashResultPointer[3] += D;
2294 HashResultPointer[4] += E;
2295
2296}
2297
e59058c4 2298/**
3621a710 2299 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
e59058c4
JS		 2300 * @RandomChallenge: pointer to the entry of host challenge random number array.
2301 * @HashWorking: pointer to the entry of the working hash array.
2302 *
2303 * This routine calculates the working hash array referred by @HashWorking
2304 * from the challenge random numbers associated with the host, referred by
2305 * @RandomChallenge. The result is put into the entry of the working hash
2306 * array and returned by reference through @HashWorking.
2307 **/
dea3101e 2308static void
2309lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
2310{
2311 *HashWorking = (*RandomChallenge ^ *HashWorking);
2312}
2313
e59058c4 2314/**
3621a710 2315 * lpfc_hba_init - Perform special handling for LC HBA initialization
e59058c4
JS		 2316 * @phba: pointer to lpfc hba data structure.
2317 * @hbainit: pointer to an array of unsigned 32-bit integers.
2318 *
2319 * This routine performs the special handling for LC HBA initialization.
2320 **/
dea3101e 2321void
2322lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
2323{
2324 int t;
2325 uint32_t *HashWorking;
2e0fef85 2326 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
dea3101e 2327
bbfbbbc1 2328 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
dea3101e 2329 if (!HashWorking)
2330 return;
2331
dea3101e 2332 HashWorking[0] = HashWorking[78] = *pwwnn++;
2333 HashWorking[1] = HashWorking[79] = *pwwnn;
2334
2335 for (t = 0; t < 7; t++)
2336 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
2337
2338 lpfc_sha_init(hbainit);
2339 lpfc_sha_iterate(hbainit, HashWorking);
2340 kfree(HashWorking);
2341}
2342
e59058c4 2343/**
3621a710 2344 * lpfc_cleanup - Performs vport cleanups before deleting a vport
e59058c4
JS		 2345 * @vport: pointer to a virtual N_Port data structure.
2346 *
2347 * This routine performs the necessary cleanups before deleting the @vport.
2348 * It invokes the discovery state machine to perform necessary state
2349 * transitions and to release the ndlps associated with the @vport. Note,
2350 * the physical port is treated as @vport 0.
2351 **/
87af33fe 2352void
2e0fef85 2353lpfc_cleanup(struct lpfc_vport *vport)
dea3101e 2354{
87af33fe 2355 struct lpfc_hba *phba = vport->phba;
dea3101e 2356 struct lpfc_nodelist *ndlp, *next_ndlp;
a8adb832 2357 int i = 0;
dea3101e 2358
87af33fe
JS		 2359 if (phba->link_state > LPFC_LINK_DOWN)
2360 lpfc_port_link_failure(vport);
2361
2362 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
e47c9093
JS		 2363 if (!NLP_CHK_NODE_ACT(ndlp)) {
2364 ndlp = lpfc_enable_node(vport, ndlp,
2365 NLP_STE_UNUSED_NODE);
2366 if (!ndlp)
2367 continue;
2368 spin_lock_irq(&phba->ndlp_lock);
2369 NLP_SET_FREE_REQ(ndlp);
2370 spin_unlock_irq(&phba->ndlp_lock);
2371 /* Trigger the release of the ndlp memory */
2372 lpfc_nlp_put(ndlp);
2373 continue;
2374 }
2375 spin_lock_irq(&phba->ndlp_lock);
2376 if (NLP_CHK_FREE_REQ(ndlp)) {
2377 /* The ndlp should not be in memory free mode already */
2378 spin_unlock_irq(&phba->ndlp_lock);
2379 continue;
2380 } else
2381 /* Indicate request for freeing ndlp memory */
2382 NLP_SET_FREE_REQ(ndlp);
2383 spin_unlock_irq(&phba->ndlp_lock);
2384
58da1ffb
JS		 2385 if (vport->port_type != LPFC_PHYSICAL_PORT &&
2386 ndlp->nlp_DID == Fabric_DID) {
2387 /* Just free up ndlp with Fabric_DID for vports */
2388 lpfc_nlp_put(ndlp);
2389 continue;
2390 }
2391
eff4a01b
JS		 2392 /* take care of nodes in unused state before the state
2393 * machine taking action.
2394 */
2395 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
2396 lpfc_nlp_put(ndlp);
2397 continue;
2398 }
2399
87af33fe
JS		 2400 if (ndlp->nlp_type & NLP_FABRIC)
2401 lpfc_disc_state_machine(vport, ndlp, NULL,
2402 NLP_EVT_DEVICE_RECOVERY);
e47c9093 2403
87af33fe
JS		 2404 lpfc_disc_state_machine(vport, ndlp, NULL,
2405 NLP_EVT_DEVICE_RM);
2406 }
2407
a8adb832
JS		 2408 /* At this point, ALL ndlp's should be gone
2409 * because of the previous NLP_EVT_DEVICE_RM.
2410 * Lets wait for this to happen, if needed.
2411 */
87af33fe 2412 while (!list_empty(&vport->fc_nodes)) {
a8adb832 2413 if (i++ > 3000) {
87af33fe 2414 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
a8adb832 2415 "0233 Nodelist not empty\n");
e47c9093
JS		 2416 list_for_each_entry_safe(ndlp, next_ndlp,
2417 &vport->fc_nodes, nlp_listp) {
2418 lpfc_printf_vlog(ndlp->vport, KERN_ERR,
2419 LOG_NODE,
d7c255b2 2420 "0282 did:x%x ndlp:x%p "
e47c9093
JS		 2421 "usgmap:x%x refcnt:%d\n",
2422 ndlp->nlp_DID, (void *)ndlp,
2423 ndlp->nlp_usg_map,
2424 atomic_read(
2425 &ndlp->kref.refcount));
2426 }
a8adb832 2427 break;
87af33fe 2428 }
a8adb832
JS		 2429
2430 /* Wait for any activity on ndlps to settle */
2431 msleep(10);
87af33fe 2432 }
1151e3ec 2433 lpfc_cleanup_vports_rrqs(vport, NULL);
dea3101e 2434}
2435
e59058c4 2436/**
3621a710 2437 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
e59058c4
JS		 2438 * @vport: pointer to a virtual N_Port data structure.
2439 *
2440 * This routine stops all the timers associated with a @vport. This function
2441 * is invoked before disabling or deleting a @vport. Note that the physical
2442 * port is treated as @vport 0.
2443 **/
92d7f7b0
JS		 2444void
2445lpfc_stop_vport_timers(struct lpfc_vport *vport)
dea3101e 2446{
92d7f7b0
JS		 2447 del_timer_sync(&vport->els_tmofunc);
2448 del_timer_sync(&vport->fc_fdmitmo);
92494144 2449 del_timer_sync(&vport->delayed_disc_tmo);
92d7f7b0
JS		 2450 lpfc_can_disctmo(vport);
2451 return;
dea3101e 2452}
2453
ecfd03c6
JS		 2454/**
2455 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2456 * @phba: pointer to lpfc hba data structure.
2457 *
2458 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2459 * caller of this routine should already hold the host lock.
2460 **/
2461void
2462__lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
2463{
5ac6b303
JS		 2464 /* Clear pending FCF rediscovery wait flag */
2465 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
2466
ecfd03c6
JS		 2467 /* Now, try to stop the timer */
2468 del_timer(&phba->fcf.redisc_wait);
2469}
2470
2471/**
2472 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2473 * @phba: pointer to lpfc hba data structure.
2474 *
2475 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2476 * checks whether the FCF rediscovery wait timer is pending with the host
2477 * lock held before proceeding with disabling the timer and clearing the
2478 * wait timer pendig flag.
2479 **/
2480void
2481lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
2482{
2483 spin_lock_irq(&phba->hbalock);
2484 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
2485 /* FCF rediscovery timer already fired or stopped */
2486 spin_unlock_irq(&phba->hbalock);
2487 return;
2488 }
2489 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
5ac6b303
JS		 2490 /* Clear failover in progress flags */
2491 phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC);
ecfd03c6
JS		 2492 spin_unlock_irq(&phba->hbalock);
2493}
2494
e59058c4 2495/**
3772a991 2496 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
e59058c4
JS		 2497 * @phba: pointer to lpfc hba data structure.
2498 *
2499 * This routine stops all the timers associated with a HBA. This function is
2500 * invoked before either putting a HBA offline or unloading the driver.
2501 **/
3772a991
JS		 2502void
2503lpfc_stop_hba_timers(struct lpfc_hba *phba)
dea3101e 2504{
51ef4c26 2505 lpfc_stop_vport_timers(phba->pport);
2e0fef85 2506 del_timer_sync(&phba->sli.mbox_tmo);
92d7f7b0 2507 del_timer_sync(&phba->fabric_block_timer);
9399627f 2508 del_timer_sync(&phba->eratt_poll);
3772a991 2509 del_timer_sync(&phba->hb_tmofunc);
1151e3ec
JS		 2510 if (phba->sli_rev == LPFC_SLI_REV4) {
2511 del_timer_sync(&phba->rrq_tmr);
2512 phba->hba_flag &= ~HBA_RRQ_ACTIVE;
2513 }
3772a991
JS		 2514 phba->hb_outstanding = 0;
2515
2516 switch (phba->pci_dev_grp) {
2517 case LPFC_PCI_DEV_LP:
2518 /* Stop any LightPulse device specific driver timers */
2519 del_timer_sync(&phba->fcp_poll_timer);
2520 break;
2521 case LPFC_PCI_DEV_OC:
2522 /* Stop any OneConnect device sepcific driver timers */
ecfd03c6 2523 lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
3772a991
JS		 2524 break;
2525 default:
2526 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2527 "0297 Invalid device group (x%x)\n",
2528 phba->pci_dev_grp);
2529 break;
2530 }
2e0fef85 2531 return;
dea3101e 2532}
2533
e59058c4 2534/**
3621a710 2535 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
e59058c4
JS		 2536 * @phba: pointer to lpfc hba data structure.
2537 *
2538 * This routine marks a HBA's management interface as blocked. Once the HBA's
2539 * management interface is marked as blocked, all the user space access to
2540 * the HBA, whether they are from sysfs interface or libdfc interface will
2541 * all be blocked. The HBA is set to block the management interface when the
2542 * driver prepares the HBA interface for online or offline.
2543 **/
a6ababd2 2544static void
618a5230 2545lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action)
a6ababd2
AB		 2546{
2547 unsigned long iflag;
6e7288d9
JS		 2548 uint8_t actcmd = MBX_HEARTBEAT;
2549 unsigned long timeout;
2550
a6ababd2
AB		 2551 spin_lock_irqsave(&phba->hbalock, iflag);
2552 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
618a5230
JS		 2553 spin_unlock_irqrestore(&phba->hbalock, iflag);
2554 if (mbx_action == LPFC_MBX_NO_WAIT)
2555 return;
2556 timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies;
2557 spin_lock_irqsave(&phba->hbalock, iflag);
a183a15f 2558 if (phba->sli.mbox_active) {
6e7288d9 2559 actcmd = phba->sli.mbox_active->u.mb.mbxCommand;
a183a15f
JS		 2560 /* Determine how long we might wait for the active mailbox
2561 * command to be gracefully completed by firmware.
2562 */
2563 timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba,
2564 phba->sli.mbox_active) * 1000) + jiffies;
2565 }
a6ababd2 2566 spin_unlock_irqrestore(&phba->hbalock, iflag);
a183a15f 2567
6e7288d9
JS		 2568 /* Wait for the outstnading mailbox command to complete */
2569 while (phba->sli.mbox_active) {
2570 /* Check active mailbox complete status every 2ms */
2571 msleep(2);
2572 if (time_after(jiffies, timeout)) {
2573 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2574 "2813 Mgmt IO is Blocked %x "
2575 "- mbox cmd %x still active\n",
2576 phba->sli.sli_flag, actcmd);
2577 break;
2578 }
2579 }
a6ababd2
AB		 2580}
2581
6b5151fd
JS		 2582/**
2583 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2584 * @phba: pointer to lpfc hba data structure.
2585 *
2586 * Allocate RPIs for all active remote nodes. This is needed whenever
2587 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2588 * is to fixup the temporary rpi assignments.
2589 **/
2590void
2591lpfc_sli4_node_prep(struct lpfc_hba *phba)
2592{
2593 struct lpfc_nodelist *ndlp, *next_ndlp;
2594 struct lpfc_vport **vports;
2595 int i;
2596
2597 if (phba->sli_rev != LPFC_SLI_REV4)
2598 return;
2599
2600 vports = lpfc_create_vport_work_array(phba);
2601 if (vports != NULL) {
2602 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2603 if (vports[i]->load_flag & FC_UNLOADING)
2604 continue;
2605
2606 list_for_each_entry_safe(ndlp, next_ndlp,
2607 &vports[i]->fc_nodes,
2608 nlp_listp) {
2609 if (NLP_CHK_NODE_ACT(ndlp))
2610 ndlp->nlp_rpi =
2611 lpfc_sli4_alloc_rpi(phba);
2612 }
2613 }
2614 }
2615 lpfc_destroy_vport_work_array(phba, vports);
2616}
2617
e59058c4 2618/**
3621a710 2619 * lpfc_online - Initialize and bring a HBA online
e59058c4
JS		 2620 * @phba: pointer to lpfc hba data structure.
2621 *
2622 * This routine initializes the HBA and brings a HBA online. During this
2623 * process, the management interface is blocked to prevent user space access
2624 * to the HBA interfering with the driver initialization.
2625 *
2626 * Return codes
2627 * 0 - successful
2628 * 1 - failed
2629 **/
dea3101e 2630int
2e0fef85 2631lpfc_online(struct lpfc_hba *phba)
dea3101e 2632{
372bd282 2633 struct lpfc_vport *vport;
549e55cd
JS		 2634 struct lpfc_vport **vports;
2635 int i;
2e0fef85 2636
dea3101e 2637 if (!phba)
2638 return 0;
372bd282 2639 vport = phba->pport;
dea3101e 2640
2e0fef85 2641 if (!(vport->fc_flag & FC_OFFLINE_MODE))
dea3101e 2642 return 0;
2643
ed957684 2644 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 2645 "0458 Bring Adapter online\n");
dea3101e 2646
618a5230 2647 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
46fa311e
JS		 2648
2649 if (!lpfc_sli_queue_setup(phba)) {
2650 lpfc_unblock_mgmt_io(phba);
dea3101e 2651 return 1;
46fa311e 2652 }
dea3101e 2653
da0436e9
JS		 2654 if (phba->sli_rev == LPFC_SLI_REV4) {
2655 if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */
2656 lpfc_unblock_mgmt_io(phba);
2657 return 1;
2658 }
2659 } else {
2660 if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */
2661 lpfc_unblock_mgmt_io(phba);
2662 return 1;
2663 }
46fa311e 2664 }
dea3101e 2665
549e55cd
JS		 2666 vports = lpfc_create_vport_work_array(phba);
2667 if (vports != NULL)
da0436e9 2668 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
549e55cd
JS		 2669 struct Scsi_Host *shost;
2670 shost = lpfc_shost_from_vport(vports[i]);
2671 spin_lock_irq(shost->host_lock);
2672 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
2673 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
2674 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1c6834a7
JS		 2675 if (phba->sli_rev == LPFC_SLI_REV4)
2676 vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
549e55cd
JS		 2677 spin_unlock_irq(shost->host_lock);
2678 }
09372820 2679 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2680
46fa311e 2681 lpfc_unblock_mgmt_io(phba);
dea3101e 2682 return 0;
2683}
2684
e59058c4 2685/**
3621a710 2686 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
e59058c4
JS		 2687 * @phba: pointer to lpfc hba data structure.
2688 *
2689 * This routine marks a HBA's management interface as not blocked. Once the
2690 * HBA's management interface is marked as not blocked, all the user space
2691 * access to the HBA, whether they are from sysfs interface or libdfc
2692 * interface will be allowed. The HBA is set to block the management interface
2693 * when the driver prepares the HBA interface for online or offline and then
2694 * set to unblock the management interface afterwards.
2695 **/
46fa311e
JS		 2696void
2697lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
2698{
2699 unsigned long iflag;
2700
2e0fef85
JS		 2701 spin_lock_irqsave(&phba->hbalock, iflag);
2702 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
2703 spin_unlock_irqrestore(&phba->hbalock, iflag);
46fa311e
JS		 2704}
2705
e59058c4 2706/**
3621a710 2707 * lpfc_offline_prep - Prepare a HBA to be brought offline
e59058c4
JS		 2708 * @phba: pointer to lpfc hba data structure.
2709 *
2710 * This routine is invoked to prepare a HBA to be brought offline. It performs
2711 * unregistration login to all the nodes on all vports and flushes the mailbox
2712 * queue to make it ready to be brought offline.
2713 **/
46fa311e 2714void
618a5230 2715lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action)
46fa311e 2716{
2e0fef85 2717 struct lpfc_vport *vport = phba->pport;
46fa311e 2718 struct lpfc_nodelist *ndlp, *next_ndlp;
87af33fe 2719 struct lpfc_vport **vports;
72100cc4 2720 struct Scsi_Host *shost;
87af33fe 2721 int i;
dea3101e 2722
2e0fef85 2723 if (vport->fc_flag & FC_OFFLINE_MODE)
46fa311e 2724 return;
dea3101e 2725
618a5230 2726 lpfc_block_mgmt_io(phba, mbx_action);
dea3101e 2727
2728 lpfc_linkdown(phba);
2729
87af33fe
JS		 2730 /* Issue an unreg_login to all nodes on all vports */
2731 vports = lpfc_create_vport_work_array(phba);
2732 if (vports != NULL) {
da0436e9 2733 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
a8adb832
JS		 2734 if (vports[i]->load_flag & FC_UNLOADING)
2735 continue;
72100cc4
JS		 2736 shost = lpfc_shost_from_vport(vports[i]);
2737 spin_lock_irq(shost->host_lock);
c868595d 2738 vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED;
695a814e
JS		 2739 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
2740 vports[i]->fc_flag &= ~FC_VFI_REGISTERED;
72100cc4 2741 spin_unlock_irq(shost->host_lock);
695a814e 2742
87af33fe
JS		 2743 shost = lpfc_shost_from_vport(vports[i]);
2744 list_for_each_entry_safe(ndlp, next_ndlp,
2745 &vports[i]->fc_nodes,
2746 nlp_listp) {
e47c9093
JS		 2747 if (!NLP_CHK_NODE_ACT(ndlp))
2748 continue;
87af33fe
JS		 2749 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
2750 continue;
2751 if (ndlp->nlp_type & NLP_FABRIC) {
2752 lpfc_disc_state_machine(vports[i], ndlp,
2753 NULL, NLP_EVT_DEVICE_RECOVERY);
2754 lpfc_disc_state_machine(vports[i], ndlp,
2755 NULL, NLP_EVT_DEVICE_RM);
2756 }
2757 spin_lock_irq(shost->host_lock);
2758 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
401ee0c1 2759 spin_unlock_irq(shost->host_lock);
6b5151fd
JS		 2760 /*
2761 * Whenever an SLI4 port goes offline, free the
401ee0c1
JS		 2762 * RPI. Get a new RPI when the adapter port
2763 * comes back online.
6b5151fd
JS		 2764 */
2765 if (phba->sli_rev == LPFC_SLI_REV4)
2766 lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi);
87af33fe
JS		 2767 lpfc_unreg_rpi(vports[i], ndlp);
2768 }
2769 }
2770 }
09372820 2771 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2772
618a5230 2773 lpfc_sli_mbox_sys_shutdown(phba, mbx_action);
46fa311e
JS		 2774}
2775
e59058c4 2776/**
3621a710 2777 * lpfc_offline - Bring a HBA offline
e59058c4
JS		 2778 * @phba: pointer to lpfc hba data structure.
2779 *
2780 * This routine actually brings a HBA offline. It stops all the timers
2781 * associated with the HBA, brings down the SLI layer, and eventually
2782 * marks the HBA as in offline state for the upper layer protocol.
2783 **/
46fa311e 2784void
2e0fef85 2785lpfc_offline(struct lpfc_hba *phba)
46fa311e 2786{
549e55cd
JS		 2787 struct Scsi_Host *shost;
2788 struct lpfc_vport **vports;
2789 int i;
46fa311e 2790
549e55cd 2791 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
46fa311e 2792 return;
688a8863 2793
da0436e9
JS		 2794 /* stop port and all timers associated with this hba */
2795 lpfc_stop_port(phba);
51ef4c26
JS		 2796 vports = lpfc_create_vport_work_array(phba);
2797 if (vports != NULL)
da0436e9 2798 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
51ef4c26 2799 lpfc_stop_vport_timers(vports[i]);
09372820 2800 lpfc_destroy_vport_work_array(phba, vports);
92d7f7b0 2801 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 2802 "0460 Bring Adapter offline\n");
dea3101e 2803 /* Bring down the SLI Layer and cleanup. The HBA is offline
2804 now. */
2805 lpfc_sli_hba_down(phba);
92d7f7b0 2806 spin_lock_irq(&phba->hbalock);
7054a606 2807 phba->work_ha = 0;
92d7f7b0 2808 spin_unlock_irq(&phba->hbalock);
549e55cd
JS		 2809 vports = lpfc_create_vport_work_array(phba);
2810 if (vports != NULL)
da0436e9 2811 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
549e55cd 2812 shost = lpfc_shost_from_vport(vports[i]);
549e55cd
JS		 2813 spin_lock_irq(shost->host_lock);
2814 vports[i]->work_port_events = 0;
2815 vports[i]->fc_flag |= FC_OFFLINE_MODE;
2816 spin_unlock_irq(shost->host_lock);
2817 }
09372820 2818 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2819}
2820
e59058c4 2821/**
3621a710 2822 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
e59058c4
JS		 2823 * @phba: pointer to lpfc hba data structure.
2824 *
2825 * This routine is to free all the SCSI buffers and IOCBs from the driver
2826 * list back to kernel. It is called from lpfc_pci_remove_one to free
2827 * the internal resources before the device is removed from the system.
e59058c4 2828 **/
8a9d2e80 2829static void
2e0fef85 2830lpfc_scsi_free(struct lpfc_hba *phba)
dea3101e 2831{
2832 struct lpfc_scsi_buf *sb, *sb_next;
2833 struct lpfc_iocbq *io, *io_next;
2834
2e0fef85 2835 spin_lock_irq(&phba->hbalock);
dea3101e 2836 /* Release all the lpfc_scsi_bufs maintained by this host. */
1c6f4ef5 2837 spin_lock(&phba->scsi_buf_list_lock);
dea3101e 2838 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
2839 list_del(&sb->list);
2840 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
92d7f7b0 2841 sb->dma_handle);
dea3101e 2842 kfree(sb);
2843 phba->total_scsi_bufs--;
2844 }
1c6f4ef5 2845 spin_unlock(&phba->scsi_buf_list_lock);
dea3101e 2846
2847 /* Release all the lpfc_iocbq entries maintained by this host. */
2848 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
2849 list_del(&io->list);
2850 kfree(io);
2851 phba->total_iocbq_bufs--;
2852 }
6d368e53 2853
2e0fef85 2854 spin_unlock_irq(&phba->hbalock);
8a9d2e80
JS		 2855}
2856
2857/**
2858 * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping
2859 * @phba: pointer to lpfc hba data structure.
2860 *
2861 * This routine first calculates the sizes of the current els and allocated
2862 * scsi sgl lists, and then goes through all sgls to updates the physical
2863 * XRIs assigned due to port function reset. During port initialization, the
2864 * current els and allocated scsi sgl lists are 0s.
2865 *
2866 * Return codes
2867 * 0 - successful (for now, it always returns 0)
2868 **/
2869int
2870lpfc_sli4_xri_sgl_update(struct lpfc_hba *phba)
2871{
2872 struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL;
2873 struct lpfc_scsi_buf *psb = NULL, *psb_next = NULL;
2874 uint16_t i, lxri, xri_cnt, els_xri_cnt, scsi_xri_cnt;
2875 LIST_HEAD(els_sgl_list);
2876 LIST_HEAD(scsi_sgl_list);
2877 int rc;
2878
2879 /*
2880 * update on pci function's els xri-sgl list
2881 */
2882 els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
2883 if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) {
2884 /* els xri-sgl expanded */
2885 xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt;
2886 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2887 "3157 ELS xri-sgl count increased from "
2888 "%d to %d\n", phba->sli4_hba.els_xri_cnt,
2889 els_xri_cnt);
2890 /* allocate the additional els sgls */
2891 for (i = 0; i < xri_cnt; i++) {
2892 sglq_entry = kzalloc(sizeof(struct lpfc_sglq),
2893 GFP_KERNEL);
2894 if (sglq_entry == NULL) {
2895 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2896 "2562 Failure to allocate an "
2897 "ELS sgl entry:%d\n", i);
2898 rc = -ENOMEM;
2899 goto out_free_mem;
2900 }
2901 sglq_entry->buff_type = GEN_BUFF_TYPE;
2902 sglq_entry->virt = lpfc_mbuf_alloc(phba, 0,
2903 &sglq_entry->phys);
2904 if (sglq_entry->virt == NULL) {
2905 kfree(sglq_entry);
2906 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2907 "2563 Failure to allocate an "
2908 "ELS mbuf:%d\n", i);
2909 rc = -ENOMEM;
2910 goto out_free_mem;
2911 }
2912 sglq_entry->sgl = sglq_entry->virt;
2913 memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE);
2914 sglq_entry->state = SGL_FREED;
2915 list_add_tail(&sglq_entry->list, &els_sgl_list);
2916 }
2917 spin_lock(&phba->hbalock);
2918 list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
2919 spin_unlock(&phba->hbalock);
2920 } else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) {
2921 /* els xri-sgl shrinked */
2922 xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt;
2923 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2924 "3158 ELS xri-sgl count decreased from "
2925 "%d to %d\n", phba->sli4_hba.els_xri_cnt,
2926 els_xri_cnt);
2927 spin_lock_irq(&phba->hbalock);
2928 list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &els_sgl_list);
2929 spin_unlock_irq(&phba->hbalock);
2930 /* release extra els sgls from list */
2931 for (i = 0; i < xri_cnt; i++) {
2932 list_remove_head(&els_sgl_list,
2933 sglq_entry, struct lpfc_sglq, list);
2934 if (sglq_entry) {
2935 lpfc_mbuf_free(phba, sglq_entry->virt,
2936 sglq_entry->phys);
2937 kfree(sglq_entry);
2938 }
2939 }
2940 spin_lock_irq(&phba->hbalock);
2941 list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
2942 spin_unlock_irq(&phba->hbalock);
2943 } else
2944 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2945 "3163 ELS xri-sgl count unchanged: %d\n",
2946 els_xri_cnt);
2947 phba->sli4_hba.els_xri_cnt = els_xri_cnt;
2948
2949 /* update xris to els sgls on the list */
2950 sglq_entry = NULL;
2951 sglq_entry_next = NULL;
2952 list_for_each_entry_safe(sglq_entry, sglq_entry_next,
2953 &phba->sli4_hba.lpfc_sgl_list, list) {
2954 lxri = lpfc_sli4_next_xritag(phba);
2955 if (lxri == NO_XRI) {
2956 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2957 "2400 Failed to allocate xri for "
2958 "ELS sgl\n");
2959 rc = -ENOMEM;
2960 goto out_free_mem;
2961 }
2962 sglq_entry->sli4_lxritag = lxri;
2963 sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri];
2964 }
2965
2966 /*
2967 * update on pci function's allocated scsi xri-sgl list
2968 */
2969 phba->total_scsi_bufs = 0;
2970
2971 /* maximum number of xris available for scsi buffers */
2972 phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri -
2973 els_xri_cnt;
2974
2975 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2976 "2401 Current allocated SCSI xri-sgl count:%d, "
2977 "maximum SCSI xri count:%d\n",
2978 phba->sli4_hba.scsi_xri_cnt,
2979 phba->sli4_hba.scsi_xri_max);
2980
2981 spin_lock_irq(&phba->scsi_buf_list_lock);
2982 list_splice_init(&phba->lpfc_scsi_buf_list, &scsi_sgl_list);
2983 spin_unlock_irq(&phba->scsi_buf_list_lock);
2984
2985 if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) {
2986 /* max scsi xri shrinked below the allocated scsi buffers */
2987 scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt -
2988 phba->sli4_hba.scsi_xri_max;
2989 /* release the extra allocated scsi buffers */
2990 for (i = 0; i < scsi_xri_cnt; i++) {
2991 list_remove_head(&scsi_sgl_list, psb,
2992 struct lpfc_scsi_buf, list);
2993 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, psb->data,
2994 psb->dma_handle);
2995 kfree(psb);
2996 }
2997 spin_lock_irq(&phba->scsi_buf_list_lock);
2998 phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt;
2999 spin_unlock_irq(&phba->scsi_buf_list_lock);
3000 }
3001
3002 /* update xris associated to remaining allocated scsi buffers */
3003 psb = NULL;
3004 psb_next = NULL;
3005 list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) {
3006 lxri = lpfc_sli4_next_xritag(phba);
3007 if (lxri == NO_XRI) {
3008 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3009 "2560 Failed to allocate xri for "
3010 "scsi buffer\n");
3011 rc = -ENOMEM;
3012 goto out_free_mem;
3013 }
3014 psb->cur_iocbq.sli4_lxritag = lxri;
3015 psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri];
3016 }
3017 spin_lock(&phba->scsi_buf_list_lock);
3018 list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list);
3019 spin_unlock(&phba->scsi_buf_list_lock);
3020
dea3101e 3021 return 0;
8a9d2e80
JS		 3022
3023out_free_mem:
3024 lpfc_free_els_sgl_list(phba);
3025 lpfc_scsi_free(phba);
3026 return rc;
dea3101e 3027}
3028
e59058c4 3029/**
3621a710 3030 * lpfc_create_port - Create an FC port
e59058c4
JS		 3031 * @phba: pointer to lpfc hba data structure.
3032 * @instance: a unique integer ID to this FC port.
3033 * @dev: pointer to the device data structure.
3034 *
3035 * This routine creates a FC port for the upper layer protocol. The FC port
3036 * can be created on top of either a physical port or a virtual port provided
3037 * by the HBA. This routine also allocates a SCSI host data structure (shost)
3038 * and associates the FC port created before adding the shost into the SCSI
3039 * layer.
3040 *
3041 * Return codes
3042 * @vport - pointer to the virtual N_Port data structure.
3043 * NULL - port create failed.
3044 **/
2e0fef85 3045struct lpfc_vport *
3de2a653 3046lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
47a8617c 3047{
2e0fef85
JS		 3048 struct lpfc_vport *vport;
3049 struct Scsi_Host *shost;
3050 int error = 0;
47a8617c 3051
3de2a653
JS		 3052 if (dev != &phba->pcidev->dev)
3053 shost = scsi_host_alloc(&lpfc_vport_template,
3054 sizeof(struct lpfc_vport));
3055 else
3056 shost = scsi_host_alloc(&lpfc_template,
3057 sizeof(struct lpfc_vport));
2e0fef85
JS		 3058 if (!shost)
3059 goto out;
47a8617c 3060
2e0fef85
JS		 3061 vport = (struct lpfc_vport *) shost->hostdata;
3062 vport->phba = phba;
2e0fef85 3063 vport->load_flag |= FC_LOADING;
92d7f7b0 3064 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
7f5f3d0d 3065 vport->fc_rscn_flush = 0;
47a8617c 3066
3de2a653 3067 lpfc_get_vport_cfgparam(vport);
2e0fef85
JS		 3068 shost->unique_id = instance;
3069 shost->max_id = LPFC_MAX_TARGET;
3de2a653 3070 shost->max_lun = vport->cfg_max_luns;
2e0fef85
JS		 3071 shost->this_id = -1;
3072 shost->max_cmd_len = 16;
da0436e9 3073 if (phba->sli_rev == LPFC_SLI_REV4) {
28baac74 3074 shost->dma_boundary =
cb5172ea 3075 phba->sli4_hba.pc_sli4_params.sge_supp_len-1;
da0436e9
JS		 3076 shost->sg_tablesize = phba->cfg_sg_seg_cnt;
3077 }
81301a9b 3078
47a8617c 3079 /*
2e0fef85
JS		 3080 * Set initial can_queue value since 0 is no longer supported and
3081 * scsi_add_host will fail. This will be adjusted later based on the
3082 * max xri value determined in hba setup.
47a8617c 3083 */
2e0fef85 3084 shost->can_queue = phba->cfg_hba_queue_depth - 10;
3de2a653 3085 if (dev != &phba->pcidev->dev) {
92d7f7b0
JS		 3086 shost->transportt = lpfc_vport_transport_template;
3087 vport->port_type = LPFC_NPIV_PORT;
3088 } else {
3089 shost->transportt = lpfc_transport_template;
3090 vport->port_type = LPFC_PHYSICAL_PORT;
3091 }
47a8617c 3092
2e0fef85
JS		 3093 /* Initialize all internally managed lists. */
3094 INIT_LIST_HEAD(&vport->fc_nodes);
da0436e9 3095 INIT_LIST_HEAD(&vport->rcv_buffer_list);
2e0fef85 3096 spin_lock_init(&vport->work_port_lock);
47a8617c 3097
2e0fef85
JS		 3098 init_timer(&vport->fc_disctmo);
3099 vport->fc_disctmo.function = lpfc_disc_timeout;
92d7f7b0 3100 vport->fc_disctmo.data = (unsigned long)vport;
47a8617c 3101
2e0fef85
JS		 3102 init_timer(&vport->fc_fdmitmo);
3103 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
92d7f7b0 3104 vport->fc_fdmitmo.data = (unsigned long)vport;
47a8617c 3105
2e0fef85
JS		 3106 init_timer(&vport->els_tmofunc);
3107 vport->els_tmofunc.function = lpfc_els_timeout;
92d7f7b0 3108 vport->els_tmofunc.data = (unsigned long)vport;
92494144
JS		 3109
3110 init_timer(&vport->delayed_disc_tmo);
3111 vport->delayed_disc_tmo.function = lpfc_delayed_disc_tmo;
3112 vport->delayed_disc_tmo.data = (unsigned long)vport;
3113
d139b9bd 3114 error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
2e0fef85
JS		 3115 if (error)
3116 goto out_put_shost;
47a8617c 3117
549e55cd 3118 spin_lock_irq(&phba->hbalock);
2e0fef85 3119 list_add_tail(&vport->listentry, &phba->port_list);
549e55cd 3120 spin_unlock_irq(&phba->hbalock);
2e0fef85 3121 return vport;
47a8617c 3122
2e0fef85
JS		 3123out_put_shost:
3124 scsi_host_put(shost);
3125out:
3126 return NULL;
47a8617c
JS		 3127}
3128
e59058c4 3129/**
3621a710 3130 * destroy_port - destroy an FC port
e59058c4
JS		 3131 * @vport: pointer to an lpfc virtual N_Port data structure.
3132 *
3133 * This routine destroys a FC port from the upper layer protocol. All the
3134 * resources associated with the port are released.
3135 **/
2e0fef85
JS		 3136void
3137destroy_port(struct lpfc_vport *vport)
47a8617c 3138{
92d7f7b0
JS		 3139 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3140 struct lpfc_hba *phba = vport->phba;
47a8617c 3141
858c9f6c 3142 lpfc_debugfs_terminate(vport);
92d7f7b0
JS		 3143 fc_remove_host(shost);
3144 scsi_remove_host(shost);
47a8617c 3145
92d7f7b0
JS		 3146 spin_lock_irq(&phba->hbalock);
3147 list_del_init(&vport->listentry);
3148 spin_unlock_irq(&phba->hbalock);
47a8617c 3149
92d7f7b0 3150 lpfc_cleanup(vport);
47a8617c 3151 return;
47a8617c
JS		 3152}
3153
e59058c4 3154/**
3621a710 3155 * lpfc_get_instance - Get a unique integer ID
e59058c4
JS		 3156 *
3157 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
3158 * uses the kernel idr facility to perform the task.
3159 *
3160 * Return codes:
3161 * instance - a unique integer ID allocated as the new instance.
3162 * -1 - lpfc get instance failed.
3163 **/
92d7f7b0
JS		 3164int
3165lpfc_get_instance(void)
3166{
ab516036
TH		 3167 int ret;
3168
3169 ret = idr_alloc(&lpfc_hba_index, NULL, 0, 0, GFP_KERNEL);
3170 return ret < 0 ? -1 : ret;
47a8617c
JS		 3171}
3172
e59058c4 3173/**
3621a710 3174 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
e59058c4
JS		 3175 * @shost: pointer to SCSI host data structure.
3176 * @time: elapsed time of the scan in jiffies.
3177 *
3178 * This routine is called by the SCSI layer with a SCSI host to determine
3179 * whether the scan host is finished.
3180 *
3181 * Note: there is no scan_start function as adapter initialization will have
3182 * asynchronously kicked off the link initialization.
3183 *
3184 * Return codes
3185 * 0 - SCSI host scan is not over yet.
3186 * 1 - SCSI host scan is over.
3187 **/
47a8617c
JS		 3188int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
3189{
2e0fef85
JS		 3190 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3191 struct lpfc_hba *phba = vport->phba;
858c9f6c 3192 int stat = 0;
47a8617c 3193
858c9f6c
JS		 3194 spin_lock_irq(shost->host_lock);
3195
51ef4c26 3196 if (vport->load_flag & FC_UNLOADING) {
858c9f6c
JS		 3197 stat = 1;
3198 goto finished;
3199 }
2e0fef85
JS		 3200 if (time >= 30 * HZ) {
3201 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 3202 "0461 Scanning longer than 30 "
3203 "seconds. Continuing initialization\n");
858c9f6c 3204 stat = 1;
47a8617c 3205 goto finished;
2e0fef85
JS		 3206 }
3207 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
3208 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 3209 "0465 Link down longer than 15 "
3210 "seconds. Continuing initialization\n");
858c9f6c 3211 stat = 1;
47a8617c 3212 goto finished;
2e0fef85 3213 }
47a8617c 3214
2e0fef85 3215 if (vport->port_state != LPFC_VPORT_READY)
858c9f6c 3216 goto finished;
2e0fef85 3217 if (vport->num_disc_nodes || vport->fc_prli_sent)
858c9f6c 3218 goto finished;
2e0fef85 3219 if (vport->fc_map_cnt == 0 && time < 2 * HZ)
858c9f6c 3220 goto finished;
2e0fef85 3221 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
858c9f6c
JS		 3222 goto finished;
3223
3224 stat = 1;
47a8617c
JS		 3225
3226finished:
858c9f6c
JS		 3227 spin_unlock_irq(shost->host_lock);
3228 return stat;
92d7f7b0 3229}
47a8617c 3230
e59058c4 3231/**
3621a710 3232 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
e59058c4
JS		 3233 * @shost: pointer to SCSI host data structure.
3234 *
3235 * This routine initializes a given SCSI host attributes on a FC port. The
3236 * SCSI host can be either on top of a physical port or a virtual port.
3237 **/
92d7f7b0
JS		 3238void lpfc_host_attrib_init(struct Scsi_Host *shost)
3239{
3240 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3241 struct lpfc_hba *phba = vport->phba;
47a8617c 3242 /*
2e0fef85 3243 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
47a8617c
JS		 3244 */
3245
2e0fef85
JS		 3246 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
3247 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
47a8617c
JS		 3248 fc_host_supported_classes(shost) = FC_COS_CLASS3;
3249
3250 memset(fc_host_supported_fc4s(shost), 0,
2e0fef85 3251 sizeof(fc_host_supported_fc4s(shost)));
47a8617c
JS		 3252 fc_host_supported_fc4s(shost)[2] = 1;
3253 fc_host_supported_fc4s(shost)[7] = 1;
3254
92d7f7b0
JS		 3255 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
3256 sizeof fc_host_symbolic_name(shost));
47a8617c
JS		 3257
3258 fc_host_supported_speeds(shost) = 0;
88a2cfbb
JS		 3259 if (phba->lmt & LMT_16Gb)
3260 fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT;
47a8617c
JS		 3261 if (phba->lmt & LMT_10Gb)
3262 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
a8adb832
JS		 3263 if (phba->lmt & LMT_8Gb)
3264 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
47a8617c
JS		 3265 if (phba->lmt & LMT_4Gb)
3266 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
3267 if (phba->lmt & LMT_2Gb)
3268 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
3269 if (phba->lmt & LMT_1Gb)
3270 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
3271
3272 fc_host_maxframe_size(shost) =
2e0fef85
JS		 3273 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
3274 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
47a8617c 3275
0af5d708
MC		 3276 fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo;
3277
47a8617c
JS		 3278 /* This value is also unchanging */
3279 memset(fc_host_active_fc4s(shost), 0,
2e0fef85 3280 sizeof(fc_host_active_fc4s(shost)));
47a8617c
JS		 3281 fc_host_active_fc4s(shost)[2] = 1;
3282 fc_host_active_fc4s(shost)[7] = 1;
3283
92d7f7b0 3284 fc_host_max_npiv_vports(shost) = phba->max_vpi;
47a8617c 3285 spin_lock_irq(shost->host_lock);
51ef4c26 3286 vport->load_flag &= ~FC_LOADING;
47a8617c 3287 spin_unlock_irq(shost->host_lock);
47a8617c 3288}
dea3101e 3289
e59058c4 3290/**
da0436e9 3291 * lpfc_stop_port_s3 - Stop SLI3 device port
e59058c4
JS		 3292 * @phba: pointer to lpfc hba data structure.
3293 *
da0436e9
JS		 3294 * This routine is invoked to stop an SLI3 device port, it stops the device
3295 * from generating interrupts and stops the device driver's timers for the
3296 * device.
e59058c4 3297 **/
da0436e9
JS		 3298static void
3299lpfc_stop_port_s3(struct lpfc_hba *phba)
db2378e0 3300{
da0436e9
JS		 3301 /* Clear all interrupt enable conditions */
3302 writel(0, phba->HCregaddr);
3303 readl(phba->HCregaddr); /* flush */
3304 /* Clear all pending interrupts */
3305 writel(0xffffffff, phba->HAregaddr);
3306 readl(phba->HAregaddr); /* flush */
db2378e0 3307
da0436e9
JS		 3308 /* Reset some HBA SLI setup states */
3309 lpfc_stop_hba_timers(phba);
3310 phba->pport->work_port_events = 0;
3311}
db2378e0 3312
da0436e9
JS		 3313/**
3314 * lpfc_stop_port_s4 - Stop SLI4 device port
3315 * @phba: pointer to lpfc hba data structure.
3316 *
3317 * This routine is invoked to stop an SLI4 device port, it stops the device
3318 * from generating interrupts and stops the device driver's timers for the
3319 * device.
3320 **/
3321static void
3322lpfc_stop_port_s4(struct lpfc_hba *phba)
3323{
3324 /* Reset some HBA SLI4 setup states */
3325 lpfc_stop_hba_timers(phba);
3326 phba->pport->work_port_events = 0;
3327 phba->sli4_hba.intr_enable = 0;
da0436e9 3328}
9399627f 3329
da0436e9
JS		 3330/**
3331 * lpfc_stop_port - Wrapper function for stopping hba port
3332 * @phba: Pointer to HBA context object.
3333 *
3334 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3335 * the API jump table function pointer from the lpfc_hba struct.
3336 **/
3337void
3338lpfc_stop_port(struct lpfc_hba *phba)
3339{
3340 phba->lpfc_stop_port(phba);
3341}
db2378e0 3342
ecfd03c6
JS		 3343/**
3344 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3345 * @phba: Pointer to hba for which this call is being executed.
3346 *
3347 * This routine starts the timer waiting for the FCF rediscovery to complete.
3348 **/
3349void
3350lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba)
3351{
3352 unsigned long fcf_redisc_wait_tmo =
3353 (jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO));
3354 /* Start fcf rediscovery wait period timer */
3355 mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo);
3356 spin_lock_irq(&phba->hbalock);
3357 /* Allow action to new fcf asynchronous event */
3358 phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
3359 /* Mark the FCF rediscovery pending state */
3360 phba->fcf.fcf_flag |= FCF_REDISC_PEND;
3361 spin_unlock_irq(&phba->hbalock);
3362}
3363
3364/**
3365 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3366 * @ptr: Map to lpfc_hba data structure pointer.
3367 *
3368 * This routine is invoked when waiting for FCF table rediscover has been
3369 * timed out. If new FCF record(s) has (have) been discovered during the
3370 * wait period, a new FCF event shall be added to the FCOE async event
3371 * list, and then worker thread shall be waked up for processing from the
3372 * worker thread context.
3373 **/
3374void
3375lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr)
3376{
3377 struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
3378
3379 /* Don't send FCF rediscovery event if timer cancelled */
3380 spin_lock_irq(&phba->hbalock);
3381 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
3382 spin_unlock_irq(&phba->hbalock);
3383 return;
3384 }
3385 /* Clear FCF rediscovery timer pending flag */
3386 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
3387 /* FCF rediscovery event to worker thread */
3388 phba->fcf.fcf_flag |= FCF_REDISC_EVT;
3389 spin_unlock_irq(&phba->hbalock);
0c9ab6f5 3390 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
a93ff37a 3391 "2776 FCF rediscover quiescent timer expired\n");
ecfd03c6
JS		 3392 /* wake up worker thread */
3393 lpfc_worker_wake_up(phba);
3394}
3395
e59058c4 3396/**
da0436e9 3397 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
e59058c4 3398 * @phba: pointer to lpfc hba data structure.
da0436e9 3399 * @acqe_link: pointer to the async link completion queue entry.
e59058c4 3400 *
da0436e9
JS		 3401 * This routine is to parse the SLI4 link-attention link fault code and
3402 * translate it into the base driver's read link attention mailbox command
3403 * status.
3404 *
3405 * Return: Link-attention status in terms of base driver's coding.
e59058c4 3406 **/
da0436e9
JS		 3407static uint16_t
3408lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba,
3409 struct lpfc_acqe_link *acqe_link)
db2378e0 3410{
da0436e9 3411 uint16_t latt_fault;
9399627f 3412
da0436e9
JS		 3413 switch (bf_get(lpfc_acqe_link_fault, acqe_link)) {
3414 case LPFC_ASYNC_LINK_FAULT_NONE:
3415 case LPFC_ASYNC_LINK_FAULT_LOCAL:
3416 case LPFC_ASYNC_LINK_FAULT_REMOTE:
3417 latt_fault = 0;
3418 break;
3419 default:
3420 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3421 "0398 Invalid link fault code: x%x\n",
3422 bf_get(lpfc_acqe_link_fault, acqe_link));
3423 latt_fault = MBXERR_ERROR;
3424 break;
3425 }
3426 return latt_fault;
db2378e0
JS		 3427}
3428
5b75da2f 3429/**
da0436e9 3430 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
5b75da2f 3431 * @phba: pointer to lpfc hba data structure.
da0436e9 3432 * @acqe_link: pointer to the async link completion queue entry.
5b75da2f 3433 *
da0436e9
JS		 3434 * This routine is to parse the SLI4 link attention type and translate it
3435 * into the base driver's link attention type coding.
5b75da2f 3436 *
da0436e9
JS		 3437 * Return: Link attention type in terms of base driver's coding.
3438 **/
3439static uint8_t
3440lpfc_sli4_parse_latt_type(struct lpfc_hba *phba,
3441 struct lpfc_acqe_link *acqe_link)
5b75da2f 3442{
da0436e9 3443 uint8_t att_type;
5b75da2f 3444
da0436e9
JS		 3445 switch (bf_get(lpfc_acqe_link_status, acqe_link)) {
3446 case LPFC_ASYNC_LINK_STATUS_DOWN:
3447 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN:
76a95d75 3448 att_type = LPFC_ATT_LINK_DOWN;
da0436e9
JS		 3449 break;
3450 case LPFC_ASYNC_LINK_STATUS_UP:
3451 /* Ignore physical link up events - wait for logical link up */
76a95d75 3452 att_type = LPFC_ATT_RESERVED;
da0436e9
JS		 3453 break;
3454 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP:
76a95d75 3455 att_type = LPFC_ATT_LINK_UP;
da0436e9
JS		 3456 break;
3457 default:
3458 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3459 "0399 Invalid link attention type: x%x\n",
3460 bf_get(lpfc_acqe_link_status, acqe_link));
76a95d75 3461 att_type = LPFC_ATT_RESERVED;
da0436e9 3462 break;
5b75da2f 3463 }
da0436e9 3464 return att_type;
5b75da2f
JS		 3465}
3466
3467/**
da0436e9 3468 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
5b75da2f 3469 * @phba: pointer to lpfc hba data structure.
da0436e9 3470 * @acqe_link: pointer to the async link completion queue entry.
5b75da2f 3471 *
da0436e9
JS		 3472 * This routine is to parse the SLI4 link-attention link speed and translate
3473 * it into the base driver's link-attention link speed coding.
3474 *
3475 * Return: Link-attention link speed in terms of base driver's coding.
3476 **/
3477static uint8_t
3478lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba,
3479 struct lpfc_acqe_link *acqe_link)
5b75da2f 3480{
da0436e9
JS		 3481 uint8_t link_speed;
3482
3483 switch (bf_get(lpfc_acqe_link_speed, acqe_link)) {
3484 case LPFC_ASYNC_LINK_SPEED_ZERO:
da0436e9 3485 case LPFC_ASYNC_LINK_SPEED_10MBPS:
da0436e9 3486 case LPFC_ASYNC_LINK_SPEED_100MBPS:
76a95d75 3487 link_speed = LPFC_LINK_SPEED_UNKNOWN;
da0436e9
JS		 3488 break;
3489 case LPFC_ASYNC_LINK_SPEED_1GBPS:
76a95d75 3490 link_speed = LPFC_LINK_SPEED_1GHZ;
da0436e9
JS		 3491 break;
3492 case LPFC_ASYNC_LINK_SPEED_10GBPS:
76a95d75 3493 link_speed = LPFC_LINK_SPEED_10GHZ;
da0436e9
JS		 3494 break;
3495 default:
3496 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3497 "0483 Invalid link-attention link speed: x%x\n",
3498 bf_get(lpfc_acqe_link_speed, acqe_link));
76a95d75 3499 link_speed = LPFC_LINK_SPEED_UNKNOWN;
da0436e9
JS		 3500 break;
3501 }
3502 return link_speed;
3503}
3504
8b68cd52
JS		 3505/**
3506 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
3507 * @phba: pointer to lpfc hba data structure.
3508 *
3509 * This routine is to get an SLI3 FC port's link speed in Mbps.
3510 *
3511 * Return: link speed in terms of Mbps.
3512 **/
3513uint32_t
3514lpfc_sli_port_speed_get(struct lpfc_hba *phba)
3515{
3516 uint32_t link_speed;
3517
3518 if (!lpfc_is_link_up(phba))
3519 return 0;
3520
3521 switch (phba->fc_linkspeed) {
3522 case LPFC_LINK_SPEED_1GHZ:
3523 link_speed = 1000;
3524 break;
3525 case LPFC_LINK_SPEED_2GHZ:
3526 link_speed = 2000;
3527 break;
3528 case LPFC_LINK_SPEED_4GHZ:
3529 link_speed = 4000;
3530 break;
3531 case LPFC_LINK_SPEED_8GHZ:
3532 link_speed = 8000;
3533 break;
3534 case LPFC_LINK_SPEED_10GHZ:
3535 link_speed = 10000;
3536 break;
3537 case LPFC_LINK_SPEED_16GHZ:
3538 link_speed = 16000;
3539 break;
3540 default:
3541 link_speed = 0;
3542 }
3543 return link_speed;
3544}
3545
3546/**
3547 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
3548 * @phba: pointer to lpfc hba data structure.
3549 * @evt_code: asynchronous event code.
3550 * @speed_code: asynchronous event link speed code.
3551 *
3552 * This routine is to parse the giving SLI4 async event link speed code into
3553 * value of Mbps for the link speed.
3554 *
3555 * Return: link speed in terms of Mbps.
3556 **/
3557static uint32_t
3558lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code,
3559 uint8_t speed_code)
3560{
3561 uint32_t port_speed;
3562
3563 switch (evt_code) {
3564 case LPFC_TRAILER_CODE_LINK:
3565 switch (speed_code) {
3566 case LPFC_EVT_CODE_LINK_NO_LINK:
3567 port_speed = 0;
3568 break;
3569 case LPFC_EVT_CODE_LINK_10_MBIT:
3570 port_speed = 10;
3571 break;
3572 case LPFC_EVT_CODE_LINK_100_MBIT:
3573 port_speed = 100;
3574 break;
3575 case LPFC_EVT_CODE_LINK_1_GBIT:
3576 port_speed = 1000;
3577 break;
3578 case LPFC_EVT_CODE_LINK_10_GBIT:
3579 port_speed = 10000;
3580 break;
3581 default:
3582 port_speed = 0;
3583 }
3584 break;
3585 case LPFC_TRAILER_CODE_FC:
3586 switch (speed_code) {
3587 case LPFC_EVT_CODE_FC_NO_LINK:
3588 port_speed = 0;
3589 break;
3590 case LPFC_EVT_CODE_FC_1_GBAUD:
3591 port_speed = 1000;
3592 break;
3593 case LPFC_EVT_CODE_FC_2_GBAUD:
3594 port_speed = 2000;
3595 break;
3596 case LPFC_EVT_CODE_FC_4_GBAUD:
3597 port_speed = 4000;
3598 break;
3599 case LPFC_EVT_CODE_FC_8_GBAUD:
3600 port_speed = 8000;
3601 break;
3602 case LPFC_EVT_CODE_FC_10_GBAUD:
3603 port_speed = 10000;
3604 break;
3605 case LPFC_EVT_CODE_FC_16_GBAUD:
3606 port_speed = 16000;
3607 break;
3608 default:
3609 port_speed = 0;
3610 }
3611 break;
3612 default:
3613 port_speed = 0;
3614 }
3615 return port_speed;
3616}
3617
da0436e9 3618/**
70f3c073 3619 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
da0436e9
JS		 3620 * @phba: pointer to lpfc hba data structure.
3621 * @acqe_link: pointer to the async link completion queue entry.
3622 *
70f3c073 3623 * This routine is to handle the SLI4 asynchronous FCoE link event.
da0436e9
JS		 3624 **/
3625static void
3626lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
3627 struct lpfc_acqe_link *acqe_link)
3628{
3629 struct lpfc_dmabuf *mp;
3630 LPFC_MBOXQ_t *pmb;
3631 MAILBOX_t *mb;
76a95d75 3632 struct lpfc_mbx_read_top *la;
da0436e9 3633 uint8_t att_type;
76a95d75 3634 int rc;
da0436e9
JS		 3635
3636 att_type = lpfc_sli4_parse_latt_type(phba, acqe_link);
76a95d75 3637 if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP)
da0436e9 3638 return;
32b9793f 3639 phba->fcoe_eventtag = acqe_link->event_tag;
da0436e9
JS		 3640 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3641 if (!pmb) {
3642 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3643 "0395 The mboxq allocation failed\n");
3644 return;
3645 }
3646 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3647 if (!mp) {
3648 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3649 "0396 The lpfc_dmabuf allocation failed\n");
3650 goto out_free_pmb;
3651 }
3652 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3653 if (!mp->virt) {
3654 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3655 "0397 The mbuf allocation failed\n");
3656 goto out_free_dmabuf;
3657 }
3658
3659 /* Cleanup any outstanding ELS commands */
3660 lpfc_els_flush_all_cmd(phba);
3661
3662 /* Block ELS IOCBs until we have done process link event */
3663 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
3664
3665 /* Update link event statistics */
3666 phba->sli.slistat.link_event++;
3667
76a95d75
JS		 3668 /* Create lpfc_handle_latt mailbox command from link ACQE */
3669 lpfc_read_topology(phba, pmb, mp);
3670 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
da0436e9
JS		 3671 pmb->vport = phba->pport;
3672
da0436e9
JS		 3673 /* Keep the link status for extra SLI4 state machine reference */
3674 phba->sli4_hba.link_state.speed =
8b68cd52
JS		 3675 lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK,
3676 bf_get(lpfc_acqe_link_speed, acqe_link));
da0436e9
JS		 3677 phba->sli4_hba.link_state.duplex =
3678 bf_get(lpfc_acqe_link_duplex, acqe_link);
3679 phba->sli4_hba.link_state.status =
3680 bf_get(lpfc_acqe_link_status, acqe_link);
70f3c073
JS		 3681 phba->sli4_hba.link_state.type =
3682 bf_get(lpfc_acqe_link_type, acqe_link);
3683 phba->sli4_hba.link_state.number =
3684 bf_get(lpfc_acqe_link_number, acqe_link);
da0436e9
JS		 3685 phba->sli4_hba.link_state.fault =
3686 bf_get(lpfc_acqe_link_fault, acqe_link);
65467b6b 3687 phba->sli4_hba.link_state.logical_speed =
8b68cd52
JS		 3688 bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10;
3689
70f3c073 3690 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
c31098ce
JS		 3691 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3692 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3693 "Logical speed:%dMbps Fault:%d\n",
70f3c073
JS		 3694 phba->sli4_hba.link_state.speed,
3695 phba->sli4_hba.link_state.topology,
3696 phba->sli4_hba.link_state.status,
3697 phba->sli4_hba.link_state.type,
3698 phba->sli4_hba.link_state.number,
8b68cd52 3699 phba->sli4_hba.link_state.logical_speed,
70f3c073 3700 phba->sli4_hba.link_state.fault);
76a95d75
JS		 3701 /*
3702 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3703 * topology info. Note: Optional for non FC-AL ports.
3704 */
3705 if (!(phba->hba_flag & HBA_FCOE_MODE)) {
3706 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
3707 if (rc == MBX_NOT_FINISHED)
3708 goto out_free_dmabuf;
3709 return;
3710 }
3711 /*
3712 * For FCoE Mode: fill in all the topology information we need and call
3713 * the READ_TOPOLOGY completion routine to continue without actually
3714 * sending the READ_TOPOLOGY mailbox command to the port.
3715 */
3716 /* Parse and translate status field */
3717 mb = &pmb->u.mb;
3718 mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link);
3719
3720 /* Parse and translate link attention fields */
3721 la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop;
3722 la->eventTag = acqe_link->event_tag;
3723 bf_set(lpfc_mbx_read_top_att_type, la, att_type);
3724 bf_set(lpfc_mbx_read_top_link_spd, la,
3725 lpfc_sli4_parse_latt_link_speed(phba, acqe_link));
3726
3727 /* Fake the the following irrelvant fields */
3728 bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT);
3729 bf_set(lpfc_mbx_read_top_alpa_granted, la, 0);
3730 bf_set(lpfc_mbx_read_top_il, la, 0);
3731 bf_set(lpfc_mbx_read_top_pb, la, 0);
3732 bf_set(lpfc_mbx_read_top_fa, la, 0);
3733 bf_set(lpfc_mbx_read_top_mm, la, 0);
da0436e9
JS		 3734
3735 /* Invoke the lpfc_handle_latt mailbox command callback function */
76a95d75 3736 lpfc_mbx_cmpl_read_topology(phba, pmb);
da0436e9 3737
5b75da2f 3738 return;
da0436e9
JS		 3739
3740out_free_dmabuf:
3741 kfree(mp);
3742out_free_pmb:
3743 mempool_free(pmb, phba->mbox_mem_pool);
3744}
3745
70f3c073
JS		 3746/**
3747 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3748 * @phba: pointer to lpfc hba data structure.
3749 * @acqe_fc: pointer to the async fc completion queue entry.
3750 *
3751 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3752 * that the event was received and then issue a read_topology mailbox command so
3753 * that the rest of the driver will treat it the same as SLI3.
3754 **/
3755static void
3756lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
3757{
3758 struct lpfc_dmabuf *mp;
3759 LPFC_MBOXQ_t *pmb;
3760 int rc;
3761
3762 if (bf_get(lpfc_trailer_type, acqe_fc) !=
3763 LPFC_FC_LA_EVENT_TYPE_FC_LINK) {
3764 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3765 "2895 Non FC link Event detected.(%d)\n",
3766 bf_get(lpfc_trailer_type, acqe_fc));
3767 return;
3768 }
3769 /* Keep the link status for extra SLI4 state machine reference */
3770 phba->sli4_hba.link_state.speed =
8b68cd52
JS		 3771 lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC,
3772 bf_get(lpfc_acqe_fc_la_speed, acqe_fc));
70f3c073
JS		 3773 phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL;
3774 phba->sli4_hba.link_state.topology =
3775 bf_get(lpfc_acqe_fc_la_topology, acqe_fc);
3776 phba->sli4_hba.link_state.status =
3777 bf_get(lpfc_acqe_fc_la_att_type, acqe_fc);
3778 phba->sli4_hba.link_state.type =
3779 bf_get(lpfc_acqe_fc_la_port_type, acqe_fc);
3780 phba->sli4_hba.link_state.number =
3781 bf_get(lpfc_acqe_fc_la_port_number, acqe_fc);
3782 phba->sli4_hba.link_state.fault =
3783 bf_get(lpfc_acqe_link_fault, acqe_fc);
3784 phba->sli4_hba.link_state.logical_speed =
8b68cd52 3785 bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10;
70f3c073
JS		 3786 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3787 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
3788 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
3789 "%dMbps Fault:%d\n",
3790 phba->sli4_hba.link_state.speed,
3791 phba->sli4_hba.link_state.topology,
3792 phba->sli4_hba.link_state.status,
3793 phba->sli4_hba.link_state.type,
3794 phba->sli4_hba.link_state.number,
8b68cd52 3795 phba->sli4_hba.link_state.logical_speed,
70f3c073
JS		 3796 phba->sli4_hba.link_state.fault);
3797 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3798 if (!pmb) {
3799 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3800 "2897 The mboxq allocation failed\n");
3801 return;
3802 }
3803 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3804 if (!mp) {
3805 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3806 "2898 The lpfc_dmabuf allocation failed\n");
3807 goto out_free_pmb;
3808 }
3809 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3810 if (!mp->virt) {
3811 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3812 "2899 The mbuf allocation failed\n");
3813 goto out_free_dmabuf;
3814 }
3815
3816 /* Cleanup any outstanding ELS commands */
3817 lpfc_els_flush_all_cmd(phba);
3818
3819 /* Block ELS IOCBs until we have done process link event */
3820 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
3821
3822 /* Update link event statistics */
3823 phba->sli.slistat.link_event++;
3824
3825 /* Create lpfc_handle_latt mailbox command from link ACQE */
3826 lpfc_read_topology(phba, pmb, mp);
3827 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
3828 pmb->vport = phba->pport;
3829
3830 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
3831 if (rc == MBX_NOT_FINISHED)
3832 goto out_free_dmabuf;
3833 return;
3834
3835out_free_dmabuf:
3836 kfree(mp);
3837out_free_pmb:
3838 mempool_free(pmb, phba->mbox_mem_pool);
3839}
3840
3841/**
3842 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
3843 * @phba: pointer to lpfc hba data structure.
3844 * @acqe_fc: pointer to the async SLI completion queue entry.
3845 *
3846 * This routine is to handle the SLI4 asynchronous SLI events.
3847 **/
3848static void
3849lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli)
3850{
4b8bae08 3851 char port_name;
8c1312e1 3852 char message[128];
4b8bae08
JS		 3853 uint8_t status;
3854 struct lpfc_acqe_misconfigured_event *misconfigured;
3855
3856 /* special case misconfigured event as it contains data for all ports */
3857 if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
3858 LPFC_SLI_INTF_IF_TYPE_2) ||
3859 (bf_get(lpfc_trailer_type, acqe_sli) !=
3860 LPFC_SLI_EVENT_TYPE_MISCONFIGURED)) {
3861 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3862 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
3863 "x%08x SLI Event Type:%d\n",
3864 acqe_sli->event_data1, acqe_sli->event_data2,
3865 bf_get(lpfc_trailer_type, acqe_sli));
3866 return;
3867 }
3868
3869 port_name = phba->Port[0];
3870 if (port_name == 0x00)
3871 port_name = '?'; /* get port name is empty */
3872
3873 misconfigured = (struct lpfc_acqe_misconfigured_event *)
3874 &acqe_sli->event_data1;
3875
3876 /* fetch the status for this port */
3877 switch (phba->sli4_hba.lnk_info.lnk_no) {
3878 case LPFC_LINK_NUMBER_0:
3879 status = bf_get(lpfc_sli_misconfigured_port0,
3880 &misconfigured->theEvent);
3881 break;
3882 case LPFC_LINK_NUMBER_1:
3883 status = bf_get(lpfc_sli_misconfigured_port1,
3884 &misconfigured->theEvent);
3885 break;
3886 case LPFC_LINK_NUMBER_2:
3887 status = bf_get(lpfc_sli_misconfigured_port2,
3888 &misconfigured->theEvent);
3889 break;
3890 case LPFC_LINK_NUMBER_3:
3891 status = bf_get(lpfc_sli_misconfigured_port3,
3892 &misconfigured->theEvent);
3893 break;
3894 default:
3895 status = ~LPFC_SLI_EVENT_STATUS_VALID;
3896 break;
3897 }
3898
3899 switch (status) {
3900 case LPFC_SLI_EVENT_STATUS_VALID:
3901 return; /* no message if the sfp is okay */
3902 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT:
292098be
JS		 3903 sprintf(message, "Optics faulted/incorrectly installed/not " \
3904 "installed - Reseat optics, if issue not "
3905 "resolved, replace.");
4b8bae08
JS		 3906 break;
3907 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE:
3908 sprintf(message,
292098be
JS		 3909 "Optics of two types installed - Remove one optic or " \
3910 "install matching pair of optics.");
4b8bae08
JS		 3911 break;
3912 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED:
292098be
JS		 3913 sprintf(message, "Incompatible optics - Replace with " \
3914 "compatible optics for card to function.");
4b8bae08
JS		 3915 break;
3916 default:
3917 /* firmware is reporting a status we don't know about */
3918 sprintf(message, "Unknown event status x%02x", status);
3919 break;
3920 }
3921
3922 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3923 "3176 Misconfigured Physical Port - "
3924 "Port Name %c %s\n", port_name, message);
70f3c073
JS		 3925}
3926
fc2b989b
JS		 3927/**
3928 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
3929 * @vport: pointer to vport data structure.
3930 *
3931 * This routine is to perform Clear Virtual Link (CVL) on a vport in
3932 * response to a CVL event.
3933 *
3934 * Return the pointer to the ndlp with the vport if successful, otherwise
3935 * return NULL.
3936 **/
3937static struct lpfc_nodelist *
3938lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
3939{
3940 struct lpfc_nodelist *ndlp;
3941 struct Scsi_Host *shost;
3942 struct lpfc_hba *phba;
3943
3944 if (!vport)
3945 return NULL;
fc2b989b
JS		 3946 phba = vport->phba;
3947 if (!phba)
3948 return NULL;
78730cfe
JS		 3949 ndlp = lpfc_findnode_did(vport, Fabric_DID);
3950 if (!ndlp) {
3951 /* Cannot find existing Fabric ndlp, so allocate a new one */
3952 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
3953 if (!ndlp)
3954 return 0;
3955 lpfc_nlp_init(vport, ndlp, Fabric_DID);
3956 /* Set the node type */
3957 ndlp->nlp_type |= NLP_FABRIC;
3958 /* Put ndlp onto node list */
3959 lpfc_enqueue_node(vport, ndlp);
3960 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
3961 /* re-setup ndlp without removing from node list */
3962 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
3963 if (!ndlp)
3964 return 0;
3965 }
63e801ce
JS		 3966 if ((phba->pport->port_state < LPFC_FLOGI) &&
3967 (phba->pport->port_state != LPFC_VPORT_FAILED))
fc2b989b
JS		 3968 return NULL;
3969 /* If virtual link is not yet instantiated ignore CVL */
63e801ce
JS		 3970 if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC)
3971 && (vport->port_state != LPFC_VPORT_FAILED))
fc2b989b
JS		 3972 return NULL;
3973 shost = lpfc_shost_from_vport(vport);
3974 if (!shost)
3975 return NULL;
3976 lpfc_linkdown_port(vport);
3977 lpfc_cleanup_pending_mbox(vport);
3978 spin_lock_irq(shost->host_lock);
3979 vport->fc_flag |= FC_VPORT_CVL_RCVD;
3980 spin_unlock_irq(shost->host_lock);
3981
3982 return ndlp;
3983}
3984
3985/**
3986 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
3987 * @vport: pointer to lpfc hba data structure.
3988 *
3989 * This routine is to perform Clear Virtual Link (CVL) on all vports in
3990 * response to a FCF dead event.
3991 **/
3992static void
3993lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba)
3994{
3995 struct lpfc_vport **vports;
3996 int i;
3997
3998 vports = lpfc_create_vport_work_array(phba);
3999 if (vports)
4000 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
4001 lpfc_sli4_perform_vport_cvl(vports[i]);
4002 lpfc_destroy_vport_work_array(phba, vports);
4003}
4004
25aee407
JS		 4005/**
4006 * lpfc_sli4_perform_inuse_fcf_recovery - Perform inuse fcf recovery
4007 * @vport: pointer to lpfc hba data structure.
4008 *
4009 * This routine is to perform FCF recovery when the in-use FCF either dead or
4010 * got modified.
4011 **/
4012static void
4013lpfc_sli4_perform_inuse_fcf_recovery(struct lpfc_hba *phba,
4014 struct lpfc_acqe_fip *acqe_fip)
4015{
4016 int rc;
4017
4018 spin_lock_irq(&phba->hbalock);
4019 /* Mark the fast failover process in progress */
4020 phba->fcf.fcf_flag |= FCF_DEAD_DISC;
4021 spin_unlock_irq(&phba->hbalock);
4022
4023 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
4024 "2771 Start FCF fast failover process due to in-use "
4025 "FCF DEAD/MODIFIED event: evt_tag:x%x, index:x%x\n",
4026 acqe_fip->event_tag, acqe_fip->index);
4027 rc = lpfc_sli4_redisc_fcf_table(phba);
4028 if (rc) {
4029 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
4030 "2772 Issue FCF rediscover mabilbox command "
4031 "failed, fail through to FCF dead event\n");
4032 spin_lock_irq(&phba->hbalock);
4033 phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
4034 spin_unlock_irq(&phba->hbalock);
4035 /*
4036 * Last resort will fail over by treating this as a link
4037 * down to FCF registration.
4038 */
4039 lpfc_sli4_fcf_dead_failthrough(phba);
4040 } else {
4041 /* Reset FCF roundrobin bmask for new discovery */
4042 lpfc_sli4_clear_fcf_rr_bmask(phba);
4043 /*
4044 * Handling fast FCF failover to a DEAD FCF event is
4045 * considered equalivant to receiving CVL to all vports.
4046 */
4047 lpfc_sli4_perform_all_vport_cvl(phba);
4048 }
4049}
4050
da0436e9 4051/**
76a95d75 4052 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
da0436e9
JS		 4053 * @phba: pointer to lpfc hba data structure.
4054 * @acqe_link: pointer to the async fcoe completion queue entry.
4055 *
4056 * This routine is to handle the SLI4 asynchronous fcoe event.
4057 **/
4058static void
76a95d75 4059lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
70f3c073 4060 struct lpfc_acqe_fip *acqe_fip)
da0436e9 4061{
70f3c073 4062 uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip);
da0436e9 4063 int rc;
6669f9bb
JS		 4064 struct lpfc_vport *vport;
4065 struct lpfc_nodelist *ndlp;
4066 struct Scsi_Host *shost;
695a814e
JS		 4067 int active_vlink_present;
4068 struct lpfc_vport **vports;
4069 int i;
da0436e9 4070
70f3c073
JS		 4071 phba->fc_eventTag = acqe_fip->event_tag;
4072 phba->fcoe_eventtag = acqe_fip->event_tag;
da0436e9 4073 switch (event_type) {
70f3c073
JS		 4074 case LPFC_FIP_EVENT_TYPE_NEW_FCF:
4075 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD:
4076 if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF)
999d813f
JS		 4077 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4078 LOG_DISCOVERY,
a93ff37a
JS		 4079 "2546 New FCF event, evt_tag:x%x, "
4080 "index:x%x\n",
70f3c073
JS		 4081 acqe_fip->event_tag,
4082 acqe_fip->index);
999d813f
JS		 4083 else
4084 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP |
4085 LOG_DISCOVERY,
a93ff37a
JS		 4086 "2788 FCF param modified event, "
4087 "evt_tag:x%x, index:x%x\n",
70f3c073
JS		 4088 acqe_fip->event_tag,
4089 acqe_fip->index);
38b92ef8 4090 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
0c9ab6f5
JS		 4091 /*
4092 * During period of FCF discovery, read the FCF
4093 * table record indexed by the event to update
a93ff37a 4094 * FCF roundrobin failover eligible FCF bmask.
0c9ab6f5
JS		 4095 */
4096 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
4097 LOG_DISCOVERY,
a93ff37a
JS		 4098 "2779 Read FCF (x%x) for updating "
4099 "roundrobin FCF failover bmask\n",
70f3c073
JS		 4100 acqe_fip->index);
4101 rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index);
0c9ab6f5 4102 }
38b92ef8
JS		 4103
4104 /* If the FCF discovery is in progress, do nothing. */
3804dc84 4105 spin_lock_irq(&phba->hbalock);
a93ff37a 4106 if (phba->hba_flag & FCF_TS_INPROG) {
38b92ef8
JS		 4107 spin_unlock_irq(&phba->hbalock);
4108 break;
4109 }
4110 /* If fast FCF failover rescan event is pending, do nothing */
4111 if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
4112 spin_unlock_irq(&phba->hbalock);
4113 break;
4114 }
4115
25aee407
JS		 4116 /* If FCF has been in discovered state, perform rediscovery
4117 * only if the FCF with the same index of the in-use FCF got
4118 * modified during normal operation. Otherwise, do nothing.
4119 */
4120 if (phba->pport->port_state > LPFC_FLOGI) {
3804dc84 4121 spin_unlock_irq(&phba->hbalock);
25aee407
JS		 4122 if (phba->fcf.current_rec.fcf_indx ==
4123 acqe_fip->index) {
4124 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
4125 "3300 In-use FCF (%d) "
4126 "modified, perform FCF "
4127 "rediscovery\n",
4128 acqe_fip->index);
4129 lpfc_sli4_perform_inuse_fcf_recovery(phba,
4130 acqe_fip);
4131 }
3804dc84
JS		 4132 break;
4133 }
4134 spin_unlock_irq(&phba->hbalock);
38b92ef8 4135
0c9ab6f5
JS		 4136 /* Otherwise, scan the entire FCF table and re-discover SAN */
4137 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
a93ff37a
JS		 4138 "2770 Start FCF table scan per async FCF "
4139 "event, evt_tag:x%x, index:x%x\n",
70f3c073 4140 acqe_fip->event_tag, acqe_fip->index);
0c9ab6f5
JS		 4141 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
4142 LPFC_FCOE_FCF_GET_FIRST);
da0436e9 4143 if (rc)
0c9ab6f5
JS		 4144 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
4145 "2547 Issue FCF scan read FCF mailbox "
a93ff37a 4146 "command failed (x%x)\n", rc);
da0436e9
JS		 4147 break;
4148
70f3c073 4149 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL:
da0436e9 4150 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
e4e74273 4151 "2548 FCF Table full count 0x%x tag 0x%x\n",
70f3c073
JS		 4152 bf_get(lpfc_acqe_fip_fcf_count, acqe_fip),
4153 acqe_fip->event_tag);
da0436e9
JS		 4154 break;
4155
70f3c073 4156 case LPFC_FIP_EVENT_TYPE_FCF_DEAD:
80c17849 4157 phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
0c9ab6f5 4158 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
a93ff37a 4159 "2549 FCF (x%x) disconnected from network, "
70f3c073 4160 "tag:x%x\n", acqe_fip->index, acqe_fip->event_tag);
38b92ef8
JS		 4161 /*
4162 * If we are in the middle of FCF failover process, clear
4163 * the corresponding FCF bit in the roundrobin bitmap.
da0436e9 4164 */
fc2b989b 4165 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4166 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
fc2b989b 4167 spin_unlock_irq(&phba->hbalock);
0c9ab6f5 4168 /* Update FLOGI FCF failover eligible FCF bmask */
70f3c073 4169 lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index);
fc2b989b
JS		 4170 break;
4171 }
38b92ef8
JS		 4172 spin_unlock_irq(&phba->hbalock);
4173
4174 /* If the event is not for currently used fcf do nothing */
70f3c073 4175 if (phba->fcf.current_rec.fcf_indx != acqe_fip->index)
38b92ef8
JS		 4176 break;
4177
4178 /*
4179 * Otherwise, request the port to rediscover the entire FCF
4180 * table for a fast recovery from case that the current FCF
4181 * is no longer valid as we are not in the middle of FCF
4182 * failover process already.
4183 */
25aee407 4184 lpfc_sli4_perform_inuse_fcf_recovery(phba, acqe_fip);
da0436e9 4185 break;
70f3c073 4186 case LPFC_FIP_EVENT_TYPE_CVL:
80c17849 4187 phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
0c9ab6f5 4188 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
6669f9bb 4189 "2718 Clear Virtual Link Received for VPI 0x%x"
70f3c073 4190 " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag);
6d368e53 4191
6669f9bb 4192 vport = lpfc_find_vport_by_vpid(phba,
5248a749 4193 acqe_fip->index);
fc2b989b 4194 ndlp = lpfc_sli4_perform_vport_cvl(vport);
6669f9bb
JS		 4195 if (!ndlp)
4196 break;
695a814e
JS		 4197 active_vlink_present = 0;
4198
4199 vports = lpfc_create_vport_work_array(phba);
4200 if (vports) {
4201 for (i = 0; i <= phba->max_vports && vports[i] != NULL;
4202 i++) {
4203 if ((!(vports[i]->fc_flag &
4204 FC_VPORT_CVL_RCVD)) &&
4205 (vports[i]->port_state > LPFC_FDISC)) {
4206 active_vlink_present = 1;
4207 break;
4208 }
4209 }
4210 lpfc_destroy_vport_work_array(phba, vports);
4211 }
4212
4213 if (active_vlink_present) {
4214 /*
4215 * If there are other active VLinks present,
4216 * re-instantiate the Vlink using FDISC.
4217 */
6669f9bb 4218 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
fc2b989b 4219 shost = lpfc_shost_from_vport(vport);
6669f9bb
JS		 4220 spin_lock_irq(shost->host_lock);
4221 ndlp->nlp_flag |= NLP_DELAY_TMO;
4222 spin_unlock_irq(shost->host_lock);
695a814e
JS		 4223 ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
4224 vport->port_state = LPFC_FDISC;
4225 } else {
ecfd03c6
JS		 4226 /*
4227 * Otherwise, we request port to rediscover
4228 * the entire FCF table for a fast recovery
4229 * from possible case that the current FCF
0c9ab6f5
JS		 4230 * is no longer valid if we are not already
4231 * in the FCF failover process.
ecfd03c6 4232 */
fc2b989b 4233 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4234 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
fc2b989b
JS		 4235 spin_unlock_irq(&phba->hbalock);
4236 break;
4237 }
4238 /* Mark the fast failover process in progress */
0c9ab6f5 4239 phba->fcf.fcf_flag |= FCF_ACVL_DISC;
fc2b989b 4240 spin_unlock_irq(&phba->hbalock);
0c9ab6f5
JS		 4241 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
4242 LOG_DISCOVERY,
a93ff37a 4243 "2773 Start FCF failover per CVL, "
70f3c073 4244 "evt_tag:x%x\n", acqe_fip->event_tag);
ecfd03c6 4245 rc = lpfc_sli4_redisc_fcf_table(phba);
fc2b989b 4246 if (rc) {
0c9ab6f5
JS		 4247 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4248 LOG_DISCOVERY,
4249 "2774 Issue FCF rediscover "
4250 "mabilbox command failed, "
4251 "through to CVL event\n");
fc2b989b 4252 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4253 phba->fcf.fcf_flag &= ~FCF_ACVL_DISC;
fc2b989b 4254 spin_unlock_irq(&phba->hbalock);
ecfd03c6
JS		 4255 /*
4256 * Last resort will be re-try on the
4257 * the current registered FCF entry.
4258 */
4259 lpfc_retry_pport_discovery(phba);
38b92ef8
JS		 4260 } else
4261 /*
4262 * Reset FCF roundrobin bmask for new
4263 * discovery.
4264 */
7d791df7 4265 lpfc_sli4_clear_fcf_rr_bmask(phba);
6669f9bb
JS		 4266 }
4267 break;
da0436e9
JS		 4268 default:
4269 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4270 "0288 Unknown FCoE event type 0x%x event tag "
70f3c073 4271 "0x%x\n", event_type, acqe_fip->event_tag);
da0436e9
JS		 4272 break;
4273 }
4274}
4275
4276/**
4277 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
4278 * @phba: pointer to lpfc hba data structure.
4279 * @acqe_link: pointer to the async dcbx completion queue entry.
4280 *
4281 * This routine is to handle the SLI4 asynchronous dcbx event.
4282 **/
4283static void
4284lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba,
4285 struct lpfc_acqe_dcbx *acqe_dcbx)
4286{
4d9ab994 4287 phba->fc_eventTag = acqe_dcbx->event_tag;
da0436e9
JS		 4288 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4289 "0290 The SLI4 DCBX asynchronous event is not "
4290 "handled yet\n");
4291}
4292
b19a061a
JS		 4293/**
4294 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
4295 * @phba: pointer to lpfc hba data structure.
4296 * @acqe_link: pointer to the async grp5 completion queue entry.
4297 *
4298 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
4299 * is an asynchronous notified of a logical link speed change. The Port
4300 * reports the logical link speed in units of 10Mbps.
4301 **/
4302static void
4303lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba,
4304 struct lpfc_acqe_grp5 *acqe_grp5)
4305{
4306 uint16_t prev_ll_spd;
4307
4308 phba->fc_eventTag = acqe_grp5->event_tag;
4309 phba->fcoe_eventtag = acqe_grp5->event_tag;
4310 prev_ll_spd = phba->sli4_hba.link_state.logical_speed;
4311 phba->sli4_hba.link_state.logical_speed =
8b68cd52 4312 (bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10;
b19a061a
JS		 4313 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4314 "2789 GRP5 Async Event: Updating logical link speed "
8b68cd52
JS		 4315 "from %dMbps to %dMbps\n", prev_ll_spd,
4316 phba->sli4_hba.link_state.logical_speed);
b19a061a
JS		 4317}
4318
da0436e9
JS		 4319/**
4320 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
4321 * @phba: pointer to lpfc hba data structure.
4322 *
4323 * This routine is invoked by the worker thread to process all the pending
4324 * SLI4 asynchronous events.
4325 **/
4326void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
4327{
4328 struct lpfc_cq_event *cq_event;
4329
4330 /* First, declare the async event has been handled */
4331 spin_lock_irq(&phba->hbalock);
4332 phba->hba_flag &= ~ASYNC_EVENT;
4333 spin_unlock_irq(&phba->hbalock);
4334 /* Now, handle all the async events */
4335 while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) {
4336 /* Get the first event from the head of the event queue */
4337 spin_lock_irq(&phba->hbalock);
4338 list_remove_head(&phba->sli4_hba.sp_asynce_work_queue,
4339 cq_event, struct lpfc_cq_event, list);
4340 spin_unlock_irq(&phba->hbalock);
4341 /* Process the asynchronous event */
4342 switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) {
4343 case LPFC_TRAILER_CODE_LINK:
4344 lpfc_sli4_async_link_evt(phba,
4345 &cq_event->cqe.acqe_link);
4346 break;
4347 case LPFC_TRAILER_CODE_FCOE:
70f3c073 4348 lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip);
da0436e9
JS		 4349 break;
4350 case LPFC_TRAILER_CODE_DCBX:
4351 lpfc_sli4_async_dcbx_evt(phba,
4352 &cq_event->cqe.acqe_dcbx);
4353 break;
b19a061a
JS		 4354 case LPFC_TRAILER_CODE_GRP5:
4355 lpfc_sli4_async_grp5_evt(phba,
4356 &cq_event->cqe.acqe_grp5);
4357 break;
70f3c073
JS		 4358 case LPFC_TRAILER_CODE_FC:
4359 lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc);
4360 break;
4361 case LPFC_TRAILER_CODE_SLI:
4362 lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli);
4363 break;
da0436e9
JS		 4364 default:
4365 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4366 "1804 Invalid asynchrous event code: "
4367 "x%x\n", bf_get(lpfc_trailer_code,
4368 &cq_event->cqe.mcqe_cmpl));
4369 break;
4370 }
4371 /* Free the completion event processed to the free pool */
4372 lpfc_sli4_cq_event_release(phba, cq_event);
4373 }
4374}
4375
ecfd03c6
JS		 4376/**
4377 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
4378 * @phba: pointer to lpfc hba data structure.
4379 *
4380 * This routine is invoked by the worker thread to process FCF table
4381 * rediscovery pending completion event.
4382 **/
4383void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba)
4384{
4385 int rc;
4386
4387 spin_lock_irq(&phba->hbalock);
4388 /* Clear FCF rediscovery timeout event */
4389 phba->fcf.fcf_flag &= ~FCF_REDISC_EVT;
4390 /* Clear driver fast failover FCF record flag */
4391 phba->fcf.failover_rec.flag = 0;
4392 /* Set state for FCF fast failover */
4393 phba->fcf.fcf_flag |= FCF_REDISC_FOV;
4394 spin_unlock_irq(&phba->hbalock);
4395
4396 /* Scan FCF table from the first entry to re-discover SAN */
0c9ab6f5 4397 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
a93ff37a 4398 "2777 Start post-quiescent FCF table scan\n");
0c9ab6f5 4399 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
ecfd03c6 4400 if (rc)
0c9ab6f5
JS		 4401 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
4402 "2747 Issue FCF scan read FCF mailbox "
4403 "command failed 0x%x\n", rc);
ecfd03c6
JS		 4404}
4405
da0436e9
JS		 4406/**
4407 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
4408 * @phba: pointer to lpfc hba data structure.
4409 * @dev_grp: The HBA PCI-Device group number.
4410 *
4411 * This routine is invoked to set up the per HBA PCI-Device group function
4412 * API jump table entries.
4413 *
4414 * Return: 0 if success, otherwise -ENODEV
4415 **/
4416int
4417lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
4418{
4419 int rc;
4420
4421 /* Set up lpfc PCI-device group */
4422 phba->pci_dev_grp = dev_grp;
4423
4424 /* The LPFC_PCI_DEV_OC uses SLI4 */
4425 if (dev_grp == LPFC_PCI_DEV_OC)
4426 phba->sli_rev = LPFC_SLI_REV4;
4427
4428 /* Set up device INIT API function jump table */
4429 rc = lpfc_init_api_table_setup(phba, dev_grp);
4430 if (rc)
4431 return -ENODEV;
4432 /* Set up SCSI API function jump table */
4433 rc = lpfc_scsi_api_table_setup(phba, dev_grp);
4434 if (rc)
4435 return -ENODEV;
4436 /* Set up SLI API function jump table */
4437 rc = lpfc_sli_api_table_setup(phba, dev_grp);
4438 if (rc)
4439 return -ENODEV;
4440 /* Set up MBOX API function jump table */
4441 rc = lpfc_mbox_api_table_setup(phba, dev_grp);
4442 if (rc)
4443 return -ENODEV;
4444
4445 return 0;
5b75da2f
JS		 4446}
4447
4448/**
3621a710 4449 * lpfc_log_intr_mode - Log the active interrupt mode
5b75da2f
JS		 4450 * @phba: pointer to lpfc hba data structure.
4451 * @intr_mode: active interrupt mode adopted.
4452 *
4453 * This routine it invoked to log the currently used active interrupt mode
4454 * to the device.
3772a991
JS		 4455 **/
4456static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode)
5b75da2f
JS		 4457{
4458 switch (intr_mode) {
4459 case 0:
4460 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4461 "0470 Enable INTx interrupt mode.\n");
4462 break;
4463 case 1:
4464 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4465 "0481 Enabled MSI interrupt mode.\n");
4466 break;
4467 case 2:
4468 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4469 "0480 Enabled MSI-X interrupt mode.\n");
4470 break;
4471 default:
4472 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4473 "0482 Illegal interrupt mode.\n");
4474 break;
4475 }
4476 return;
4477}
4478
5b75da2f 4479/**
3772a991 4480 * lpfc_enable_pci_dev - Enable a generic PCI device.
5b75da2f
JS		 4481 * @phba: pointer to lpfc hba data structure.
4482 *
3772a991
JS		 4483 * This routine is invoked to enable the PCI device that is common to all
4484 * PCI devices.
5b75da2f
JS		 4485 *
4486 * Return codes
af901ca1 4487 * 0 - successful
3772a991 4488 * other values - error
5b75da2f 4489 **/
3772a991
JS		 4490static int
4491lpfc_enable_pci_dev(struct lpfc_hba *phba)
5b75da2f 4492{
3772a991 4493 struct pci_dev *pdev;
079b5c91 4494 int bars = 0;
5b75da2f 4495
3772a991
JS		 4496 /* Obtain PCI device reference */
4497 if (!phba->pcidev)
4498 goto out_error;
4499 else
4500 pdev = phba->pcidev;
4501 /* Select PCI BARs */
4502 bars = pci_select_bars(pdev, IORESOURCE_MEM);
4503 /* Enable PCI device */
4504 if (pci_enable_device_mem(pdev))
4505 goto out_error;
4506 /* Request PCI resource for the device */
4507 if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
4508 goto out_disable_device;
4509 /* Set up device as PCI master and save state for EEH */
4510 pci_set_master(pdev);
4511 pci_try_set_mwi(pdev);
4512 pci_save_state(pdev);
5b75da2f 4513
0558056c
JS		 4514 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
4515 if (pci_find_capability(pdev, PCI_CAP_ID_EXP))
4516 pdev->needs_freset = 1;
4517
3772a991 4518 return 0;
5b75da2f 4519
3772a991
JS		 4520out_disable_device:
4521 pci_disable_device(pdev);
4522out_error:
079b5c91
JS		 4523 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4524 "1401 Failed to enable pci device, bars:x%x\n", bars);
3772a991 4525 return -ENODEV;
5b75da2f
JS		 4526}
4527
4528/**
3772a991 4529 * lpfc_disable_pci_dev - Disable a generic PCI device.
5b75da2f
JS		 4530 * @phba: pointer to lpfc hba data structure.
4531 *
3772a991
JS		 4532 * This routine is invoked to disable the PCI device that is common to all
4533 * PCI devices.
5b75da2f
JS		 4534 **/
4535static void
3772a991 4536lpfc_disable_pci_dev(struct lpfc_hba *phba)
5b75da2f 4537{
3772a991
JS		 4538 struct pci_dev *pdev;
4539 int bars;
5b75da2f 4540
3772a991
JS		 4541 /* Obtain PCI device reference */
4542 if (!phba->pcidev)
4543 return;
4544 else
4545 pdev = phba->pcidev;
4546 /* Select PCI BARs */
4547 bars = pci_select_bars(pdev, IORESOURCE_MEM);
4548 /* Release PCI resource and disable PCI device */
4549 pci_release_selected_regions(pdev, bars);
4550 pci_disable_device(pdev);
4551 /* Null out PCI private reference to driver */
4552 pci_set_drvdata(pdev, NULL);
5b75da2f
JS		 4553
4554 return;
4555}
4556
e59058c4 4557/**
3772a991
JS		 4558 * lpfc_reset_hba - Reset a hba
4559 * @phba: pointer to lpfc hba data structure.
e59058c4 4560 *
3772a991
JS		 4561 * This routine is invoked to reset a hba device. It brings the HBA
4562 * offline, performs a board restart, and then brings the board back
4563 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4564 * on outstanding mailbox commands.
e59058c4 4565 **/
3772a991
JS		 4566void
4567lpfc_reset_hba(struct lpfc_hba *phba)
dea3101e 4568{
3772a991
JS		 4569 /* If resets are disabled then set error state and return. */
4570 if (!phba->cfg_enable_hba_reset) {
4571 phba->link_state = LPFC_HBA_ERROR;
4572 return;
4573 }
618a5230 4574 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
3772a991
JS		 4575 lpfc_offline(phba);
4576 lpfc_sli_brdrestart(phba);
4577 lpfc_online(phba);
4578 lpfc_unblock_mgmt_io(phba);
4579}
dea3101e 4580
0a96e975
JS		 4581/**
4582 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4583 * @phba: pointer to lpfc hba data structure.
4584 *
4585 * This function enables the PCI SR-IOV virtual functions to a physical
4586 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4587 * enable the number of virtual functions to the physical function. As
4588 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4589 * API call does not considered as an error condition for most of the device.
4590 **/
4591uint16_t
4592lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba)
4593{
4594 struct pci_dev *pdev = phba->pcidev;
4595 uint16_t nr_virtfn;
4596 int pos;
4597
0a96e975
JS		 4598 pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
4599 if (pos == 0)
4600 return 0;
4601
4602 pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn);
4603 return nr_virtfn;
4604}
4605
912e3acd
JS		 4606/**
4607 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4608 * @phba: pointer to lpfc hba data structure.
4609 * @nr_vfn: number of virtual functions to be enabled.
4610 *
4611 * This function enables the PCI SR-IOV virtual functions to a physical
4612 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4613 * enable the number of virtual functions to the physical function. As
4614 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4615 * API call does not considered as an error condition for most of the device.
4616 **/
4617int
4618lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn)
4619{
4620 struct pci_dev *pdev = phba->pcidev;
0a96e975 4621 uint16_t max_nr_vfn;
912e3acd
JS		 4622 int rc;
4623
0a96e975
JS		 4624 max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba);
4625 if (nr_vfn > max_nr_vfn) {
4626 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4627 "3057 Requested vfs (%d) greater than "
4628 "supported vfs (%d)", nr_vfn, max_nr_vfn);
4629 return -EINVAL;
4630 }
4631
912e3acd
JS		 4632 rc = pci_enable_sriov(pdev, nr_vfn);
4633 if (rc) {
4634 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4635 "2806 Failed to enable sriov on this device "
4636 "with vfn number nr_vf:%d, rc:%d\n",
4637 nr_vfn, rc);
4638 } else
4639 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4640 "2807 Successful enable sriov on this device "
4641 "with vfn number nr_vf:%d\n", nr_vfn);
4642 return rc;
4643}
4644
3772a991
JS		 4645/**
4646 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4647 * @phba: pointer to lpfc hba data structure.
4648 *
4649 * This routine is invoked to set up the driver internal resources specific to
4650 * support the SLI-3 HBA device it attached to.
4651 *
4652 * Return codes
af901ca1 4653 * 0 - successful
3772a991
JS		 4654 * other values - error
4655 **/
4656static int
4657lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
4658{
4659 struct lpfc_sli *psli;
912e3acd 4660 int rc;
dea3101e 4661
2e0fef85 4662 /*
3772a991 4663 * Initialize timers used by driver
2e0fef85 4664 */
dea3101e 4665
3772a991 4666 /* Heartbeat timer */
858c9f6c
JS		 4667 init_timer(&phba->hb_tmofunc);
4668 phba->hb_tmofunc.function = lpfc_hb_timeout;
4669 phba->hb_tmofunc.data = (unsigned long)phba;
4670
dea3101e 4671 psli = &phba->sli;
3772a991 4672 /* MBOX heartbeat timer */
dea3101e 4673 init_timer(&psli->mbox_tmo);
4674 psli->mbox_tmo.function = lpfc_mbox_timeout;
2e0fef85 4675 psli->mbox_tmo.data = (unsigned long) phba;
3772a991 4676 /* FCP polling mode timer */
875fbdfe
JSEC		 4677 init_timer(&phba->fcp_poll_timer);
4678 phba->fcp_poll_timer.function = lpfc_poll_timeout;
2e0fef85 4679 phba->fcp_poll_timer.data = (unsigned long) phba;
3772a991 4680 /* Fabric block timer */
92d7f7b0
JS		 4681 init_timer(&phba->fabric_block_timer);
4682 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
4683 phba->fabric_block_timer.data = (unsigned long) phba;
3772a991 4684 /* EA polling mode timer */
9399627f
JS		 4685 init_timer(&phba->eratt_poll);
4686 phba->eratt_poll.function = lpfc_poll_eratt;
4687 phba->eratt_poll.data = (unsigned long) phba;
dea3101e 4688
3772a991
JS		 4689 /* Host attention work mask setup */
4690 phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT);
4691 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
dea3101e 4692
3772a991
JS		 4693 /* Get all the module params for configuring this host */
4694 lpfc_get_cfgparam(phba);
49198b37
JS		 4695 if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) {
4696 phba->menlo_flag |= HBA_MENLO_SUPPORT;
4697 /* check for menlo minimum sg count */
4698 if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT)
4699 phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
4700 }
4701
2a76a283
JS		 4702 if (!phba->sli.ring)
4703 phba->sli.ring = (struct lpfc_sli_ring *)
4704 kzalloc(LPFC_SLI3_MAX_RING *
4705 sizeof(struct lpfc_sli_ring), GFP_KERNEL);
4706 if (!phba->sli.ring)
4707 return -ENOMEM;
4708
dea3101e 4709 /*
3772a991
JS		 4710 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4711 * used to create the sg_dma_buf_pool must be dynamically calculated.
4712 * 2 segments are added since the IOCB needs a command and response bde.
dea3101e 4713 */
3772a991
JS		 4714 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4715 sizeof(struct fcp_rsp) +
4716 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64));
4717
4718 if (phba->cfg_enable_bg) {
4719 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT;
4720 phba->cfg_sg_dma_buf_size +=
4721 phba->cfg_prot_sg_seg_cnt * sizeof(struct ulp_bde64);
901a920f 4722 }
dea3101e 4723
3772a991
JS		 4724 /* Also reinitialize the host templates with new values. */
4725 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4726 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
dea3101e 4727
3772a991
JS		 4728 phba->max_vpi = LPFC_MAX_VPI;
4729 /* This will be set to correct value after config_port mbox */
4730 phba->max_vports = 0;
dea3101e 4731
3772a991
JS		 4732 /*
4733 * Initialize the SLI Layer to run with lpfc HBAs.
4734 */
4735 lpfc_sli_setup(phba);
4736 lpfc_sli_queue_setup(phba);
ed957684 4737
3772a991
JS		 4738 /* Allocate device driver memory */
4739 if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ))
4740 return -ENOMEM;
51ef4c26 4741
912e3acd
JS		 4742 /*
4743 * Enable sr-iov virtual functions if supported and configured
4744 * through the module parameter.
4745 */
4746 if (phba->cfg_sriov_nr_virtfn > 0) {
4747 rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
4748 phba->cfg_sriov_nr_virtfn);
4749 if (rc) {
4750 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4751 "2808 Requested number of SR-IOV "
4752 "virtual functions (%d) is not "
4753 "supported\n",
4754 phba->cfg_sriov_nr_virtfn);
4755 phba->cfg_sriov_nr_virtfn = 0;
4756 }
4757 }
4758
3772a991
JS		 4759 return 0;
4760}
ed957684 4761
3772a991
JS		 4762/**
4763 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
4764 * @phba: pointer to lpfc hba data structure.
4765 *
4766 * This routine is invoked to unset the driver internal resources set up
4767 * specific for supporting the SLI-3 HBA device it attached to.
4768 **/
4769static void
4770lpfc_sli_driver_resource_unset(struct lpfc_hba *phba)
4771{
4772 /* Free device driver memory allocated */
4773 lpfc_mem_free_all(phba);
3163f725 4774
3772a991
JS		 4775 return;
4776}
dea3101e 4777
3772a991 4778/**
da0436e9 4779 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
3772a991
JS		 4780 * @phba: pointer to lpfc hba data structure.
4781 *
da0436e9
JS		 4782 * This routine is invoked to set up the driver internal resources specific to
4783 * support the SLI-4 HBA device it attached to.
3772a991
JS		 4784 *
4785 * Return codes
af901ca1 4786 * 0 - successful
da0436e9 4787 * other values - error
3772a991
JS		 4788 **/
4789static int
da0436e9 4790lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
3772a991 4791{
da0436e9 4792 struct lpfc_sli *psli;
28baac74
JS		 4793 LPFC_MBOXQ_t *mboxq;
4794 int rc, i, hbq_count, buf_size, dma_buf_size, max_buf_size;
4795 uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0};
4796 struct lpfc_mqe *mqe;
085c647c 4797 int longs, sli_family;
acd6859b 4798 int sges_per_segment;
da0436e9
JS		 4799
4800 /* Before proceed, wait for POST done and device ready */
4801 rc = lpfc_sli4_post_status_check(phba);
4802 if (rc)
4803 return -ENODEV;
4804
3772a991 4805 /*
da0436e9 4806 * Initialize timers used by driver
3772a991 4807 */
3772a991 4808
da0436e9
JS		 4809 /* Heartbeat timer */
4810 init_timer(&phba->hb_tmofunc);
4811 phba->hb_tmofunc.function = lpfc_hb_timeout;
4812 phba->hb_tmofunc.data = (unsigned long)phba;
19ca7609
JS		 4813 init_timer(&phba->rrq_tmr);
4814 phba->rrq_tmr.function = lpfc_rrq_timeout;
4815 phba->rrq_tmr.data = (unsigned long)phba;
3772a991 4816
da0436e9
JS		 4817 psli = &phba->sli;
4818 /* MBOX heartbeat timer */
4819 init_timer(&psli->mbox_tmo);
4820 psli->mbox_tmo.function = lpfc_mbox_timeout;
4821 psli->mbox_tmo.data = (unsigned long) phba;
4822 /* Fabric block timer */
4823 init_timer(&phba->fabric_block_timer);
4824 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
4825 phba->fabric_block_timer.data = (unsigned long) phba;
4826 /* EA polling mode timer */
4827 init_timer(&phba->eratt_poll);
4828 phba->eratt_poll.function = lpfc_poll_eratt;
4829 phba->eratt_poll.data = (unsigned long) phba;
ecfd03c6
JS		 4830 /* FCF rediscover timer */
4831 init_timer(&phba->fcf.redisc_wait);
4832 phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo;
4833 phba->fcf.redisc_wait.data = (unsigned long)phba;
4834
7ad20aa9
JS		 4835 /*
4836 * Control structure for handling external multi-buffer mailbox
4837 * command pass-through.
4838 */
4839 memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0,
4840 sizeof(struct lpfc_mbox_ext_buf_ctx));
4841 INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list);
4842
da0436e9
JS		 4843 /*
4844 * We need to do a READ_CONFIG mailbox command here before
4845 * calling lpfc_get_cfgparam. For VFs this will report the
4846 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
4847 * All of the resources allocated
4848 * for this Port are tied to these values.
4849 */
4850 /* Get all the module params for configuring this host */
4851 lpfc_get_cfgparam(phba);
4852 phba->max_vpi = LPFC_MAX_VPI;
67d12733
JS		 4853
4854 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
4855 phba->cfg_fcp_io_channel = phba->cfg_fcp_eq_count;
4856
da0436e9
JS		 4857 /* This will be set to correct value after the read_config mbox */
4858 phba->max_vports = 0;
3772a991 4859
da0436e9
JS		 4860 /* Program the default value of vlan_id and fc_map */
4861 phba->valid_vlan = 0;
4862 phba->fc_map[0] = LPFC_FCOE_FCF_MAP0;
4863 phba->fc_map[1] = LPFC_FCOE_FCF_MAP1;
4864 phba->fc_map[2] = LPFC_FCOE_FCF_MAP2;
3772a991 4865
acd6859b
JS		 4866 /* With BlockGuard we can have multiple SGEs per Data Segemnt */
4867 sges_per_segment = 1;
4868 if (phba->cfg_enable_bg)
4869 sges_per_segment = 2;
4870
2a76a283
JS		 4871 /*
4872 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
4873 * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple.
4874 */
4875 if (!phba->sli.ring)
4876 phba->sli.ring = kzalloc(
67d12733 4877 (LPFC_SLI3_MAX_RING + phba->cfg_fcp_io_channel) *
2a76a283
JS		 4878 sizeof(struct lpfc_sli_ring), GFP_KERNEL);
4879 if (!phba->sli.ring)
4880 return -ENOMEM;
da0436e9
JS		 4881 /*
4882 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4883 * used to create the sg_dma_buf_pool must be dynamically calculated.
4884 * 2 segments are added since the IOCB needs a command and response bde.
4885 * To insure that the scsi sgl does not cross a 4k page boundary only
28baac74 4886 * sgl sizes of must be a power of 2.
da0436e9 4887 */
28baac74 4888 buf_size = (sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp) +
acd6859b
JS		 4889 (((phba->cfg_sg_seg_cnt * sges_per_segment) + 2) *
4890 sizeof(struct sli4_sge)));
085c647c
JS		 4891
4892 sli_family = bf_get(lpfc_sli_intf_sli_family, &phba->sli4_hba.sli_intf);
4893 max_buf_size = LPFC_SLI4_MAX_BUF_SIZE;
4894 switch (sli_family) {
4895 case LPFC_SLI_INTF_FAMILY_BE2:
4896 case LPFC_SLI_INTF_FAMILY_BE3:
4897 /* There is a single hint for BE - 2 pages per BPL. */
4898 if (bf_get(lpfc_sli_intf_sli_hint1, &phba->sli4_hba.sli_intf) ==
4899 LPFC_SLI_INTF_SLI_HINT1_1)
4900 max_buf_size = LPFC_SLI4_FL1_MAX_BUF_SIZE;
4901 break;
4902 case LPFC_SLI_INTF_FAMILY_LNCR_A0:
4903 case LPFC_SLI_INTF_FAMILY_LNCR_B0:
4904 default:
4905 break;
4906 }
acd6859b 4907
28baac74
JS		 4908 for (dma_buf_size = LPFC_SLI4_MIN_BUF_SIZE;
4909 dma_buf_size < max_buf_size && buf_size > dma_buf_size;
4910 dma_buf_size = dma_buf_size << 1)
4911 ;
4912 if (dma_buf_size == max_buf_size)
4913 phba->cfg_sg_seg_cnt = (dma_buf_size -
4914 sizeof(struct fcp_cmnd) - sizeof(struct fcp_rsp) -
4915 (2 * sizeof(struct sli4_sge))) /
4916 sizeof(struct sli4_sge);
4917 phba->cfg_sg_dma_buf_size = dma_buf_size;
3772a991 4918
da0436e9
JS		 4919 /* Initialize buffer queue management fields */
4920 hbq_count = lpfc_sli_hbq_count();
4921 for (i = 0; i < hbq_count; ++i)
4922 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
4923 INIT_LIST_HEAD(&phba->rb_pend_list);
4924 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc;
4925 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free;
3772a991 4926
da0436e9
JS		 4927 /*
4928 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
4929 */
4930 /* Initialize the Abort scsi buffer list used by driver */
4931 spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock);
4932 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
4933 /* This abort list used by worker thread */
4934 spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock);
3772a991 4935
da0436e9 4936 /*
6d368e53 4937 * Initialize driver internal slow-path work queues
da0436e9 4938 */
3772a991 4939
da0436e9
JS		 4940 /* Driver internel slow-path CQ Event pool */
4941 INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool);
4942 /* Response IOCB work queue list */
45ed1190 4943 INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event);
da0436e9
JS		 4944 /* Asynchronous event CQ Event work queue list */
4945 INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue);
4946 /* Fast-path XRI aborted CQ Event work queue list */
4947 INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue);
4948 /* Slow-path XRI aborted CQ Event work queue list */
4949 INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue);
4950 /* Receive queue CQ Event work queue list */
4951 INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue);
4952
6d368e53
JS		 4953 /* Initialize extent block lists. */
4954 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list);
4955 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list);
4956 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list);
4957 INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list);
4958
da0436e9
JS		 4959 /* Initialize the driver internal SLI layer lists. */
4960 lpfc_sli_setup(phba);
4961 lpfc_sli_queue_setup(phba);
3772a991 4962
da0436e9
JS		 4963 /* Allocate device driver memory */
4964 rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ);
4965 if (rc)
4966 return -ENOMEM;
4967
2fcee4bf
JS		 4968 /* IF Type 2 ports get initialized now. */
4969 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
4970 LPFC_SLI_INTF_IF_TYPE_2) {
4971 rc = lpfc_pci_function_reset(phba);
4972 if (unlikely(rc))
4973 return -ENODEV;
4974 }
4975
da0436e9
JS		 4976 /* Create the bootstrap mailbox command */
4977 rc = lpfc_create_bootstrap_mbox(phba);
4978 if (unlikely(rc))
4979 goto out_free_mem;
4980
4981 /* Set up the host's endian order with the device. */
4982 rc = lpfc_setup_endian_order(phba);
4983 if (unlikely(rc))
4984 goto out_free_bsmbx;
4985
4986 /* Set up the hba's configuration parameters. */
4987 rc = lpfc_sli4_read_config(phba);
4988 if (unlikely(rc))
4989 goto out_free_bsmbx;
4990
2fcee4bf
JS		 4991 /* IF Type 0 ports get initialized now. */
4992 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
4993 LPFC_SLI_INTF_IF_TYPE_0) {
4994 rc = lpfc_pci_function_reset(phba);
4995 if (unlikely(rc))
4996 goto out_free_bsmbx;
4997 }
da0436e9 4998
cb5172ea
JS		 4999 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
5000 GFP_KERNEL);
5001 if (!mboxq) {
5002 rc = -ENOMEM;
5003 goto out_free_bsmbx;
5004 }
5005
fedd3b7b 5006 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
cb5172ea
JS		 5007 lpfc_supported_pages(mboxq);
5008 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
fedd3b7b
JS		 5009 if (!rc) {
5010 mqe = &mboxq->u.mqe;
5011 memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
5012 LPFC_MAX_SUPPORTED_PAGES);
5013 for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
5014 switch (pn_page[i]) {
5015 case LPFC_SLI4_PARAMETERS:
5016 phba->sli4_hba.pc_sli4_params.supported = 1;
5017 break;
5018 default:
5019 break;
5020 }
5021 }
5022 /* Read the port's SLI4 Parameters capabilities if supported. */
5023 if (phba->sli4_hba.pc_sli4_params.supported)
5024 rc = lpfc_pc_sli4_params_get(phba, mboxq);
5025 if (rc) {
5026 mempool_free(mboxq, phba->mbox_mem_pool);
5027 rc = -EIO;
5028 goto out_free_bsmbx;
cb5172ea
JS		 5029 }
5030 }
fedd3b7b
JS		 5031 /*
5032 * Get sli4 parameters that override parameters from Port capabilities.
6d368e53
JS		 5033 * If this call fails, it isn't critical unless the SLI4 parameters come
5034 * back in conflict.
fedd3b7b 5035 */
6d368e53
JS		 5036 rc = lpfc_get_sli4_parameters(phba, mboxq);
5037 if (rc) {
5038 if (phba->sli4_hba.extents_in_use &&
5039 phba->sli4_hba.rpi_hdrs_in_use) {
5040 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5041 "2999 Unsupported SLI4 Parameters "
5042 "Extents and RPI headers enabled.\n");
5043 goto out_free_bsmbx;
5044 }
5045 }
cb5172ea 5046 mempool_free(mboxq, phba->mbox_mem_pool);
5350d872
JS		 5047 /* Verify all the SLI4 queues */
5048 rc = lpfc_sli4_queue_verify(phba);
da0436e9
JS		 5049 if (rc)
5050 goto out_free_bsmbx;
5051
5052 /* Create driver internal CQE event pool */
5053 rc = lpfc_sli4_cq_event_pool_create(phba);
5054 if (rc)
5350d872 5055 goto out_free_bsmbx;
da0436e9 5056
8a9d2e80
JS		 5057 /* Initialize sgl lists per host */
5058 lpfc_init_sgl_list(phba);
5059
5060 /* Allocate and initialize active sgl array */
da0436e9
JS		 5061 rc = lpfc_init_active_sgl_array(phba);
5062 if (rc) {
5063 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5064 "1430 Failed to initialize sgl list.\n");
8a9d2e80 5065 goto out_destroy_cq_event_pool;
da0436e9 5066 }
da0436e9
JS		 5067 rc = lpfc_sli4_init_rpi_hdrs(phba);
5068 if (rc) {
5069 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5070 "1432 Failed to initialize rpi headers.\n");
5071 goto out_free_active_sgl;
5072 }
5073
a93ff37a 5074 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
0c9ab6f5
JS		 5075 longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG;
5076 phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long),
5077 GFP_KERNEL);
5078 if (!phba->fcf.fcf_rr_bmask) {
5079 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5080 "2759 Failed allocate memory for FCF round "
5081 "robin failover bmask\n");
0558056c 5082 rc = -ENOMEM;
0c9ab6f5
JS		 5083 goto out_remove_rpi_hdrs;
5084 }
5085
67d12733
JS		 5086 phba->sli4_hba.fcp_eq_hdl =
5087 kzalloc((sizeof(struct lpfc_fcp_eq_hdl) *
5088 phba->cfg_fcp_io_channel), GFP_KERNEL);
5089 if (!phba->sli4_hba.fcp_eq_hdl) {
5090 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5091 "2572 Failed allocate memory for "
5092 "fast-path per-EQ handle array\n");
5093 rc = -ENOMEM;
5094 goto out_free_fcf_rr_bmask;
da0436e9
JS		 5095 }
5096
5097 phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
82c3e9ba 5098 phba->cfg_fcp_io_channel), GFP_KERNEL);
da0436e9
JS		 5099 if (!phba->sli4_hba.msix_entries) {
5100 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5101 "2573 Failed allocate memory for msi-x "
5102 "interrupt vector entries\n");
0558056c 5103 rc = -ENOMEM;
da0436e9
JS		 5104 goto out_free_fcp_eq_hdl;
5105 }
5106
912e3acd
JS		 5107 /*
5108 * Enable sr-iov virtual functions if supported and configured
5109 * through the module parameter.
5110 */
5111 if (phba->cfg_sriov_nr_virtfn > 0) {
5112 rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
5113 phba->cfg_sriov_nr_virtfn);
5114 if (rc) {
5115 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
5116 "3020 Requested number of SR-IOV "
5117 "virtual functions (%d) is not "
5118 "supported\n",
5119 phba->cfg_sriov_nr_virtfn);
5120 phba->cfg_sriov_nr_virtfn = 0;
5121 }
5122 }
5123
5248a749 5124 return 0;
da0436e9
JS		 5125
5126out_free_fcp_eq_hdl:
5127 kfree(phba->sli4_hba.fcp_eq_hdl);
0c9ab6f5
JS		 5128out_free_fcf_rr_bmask:
5129 kfree(phba->fcf.fcf_rr_bmask);
da0436e9
JS		 5130out_remove_rpi_hdrs:
5131 lpfc_sli4_remove_rpi_hdrs(phba);
5132out_free_active_sgl:
5133 lpfc_free_active_sgl(phba);
da0436e9
JS		 5134out_destroy_cq_event_pool:
5135 lpfc_sli4_cq_event_pool_destroy(phba);
da0436e9
JS		 5136out_free_bsmbx:
5137 lpfc_destroy_bootstrap_mbox(phba);
5138out_free_mem:
5139 lpfc_mem_free(phba);
5140 return rc;
5141}
5142
5143/**
5144 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
5145 * @phba: pointer to lpfc hba data structure.
5146 *
5147 * This routine is invoked to unset the driver internal resources set up
5148 * specific for supporting the SLI-4 HBA device it attached to.
5149 **/
5150static void
5151lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
5152{
5153 struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
5154
da0436e9
JS		 5155 /* Free memory allocated for msi-x interrupt vector entries */
5156 kfree(phba->sli4_hba.msix_entries);
5157
5158 /* Free memory allocated for fast-path work queue handles */
5159 kfree(phba->sli4_hba.fcp_eq_hdl);
5160
5161 /* Free the allocated rpi headers. */
5162 lpfc_sli4_remove_rpi_hdrs(phba);
d11e31dd 5163 lpfc_sli4_remove_rpis(phba);
da0436e9 5164
0c9ab6f5
JS		 5165 /* Free eligible FCF index bmask */
5166 kfree(phba->fcf.fcf_rr_bmask);
5167
da0436e9
JS		 5168 /* Free the ELS sgl list */
5169 lpfc_free_active_sgl(phba);
8a9d2e80 5170 lpfc_free_els_sgl_list(phba);
da0436e9 5171
da0436e9
JS		 5172 /* Free the completion queue EQ event pool */
5173 lpfc_sli4_cq_event_release_all(phba);
5174 lpfc_sli4_cq_event_pool_destroy(phba);
5175
6d368e53
JS		 5176 /* Release resource identifiers. */
5177 lpfc_sli4_dealloc_resource_identifiers(phba);
5178
da0436e9
JS		 5179 /* Free the bsmbx region. */
5180 lpfc_destroy_bootstrap_mbox(phba);
5181
5182 /* Free the SLI Layer memory with SLI4 HBAs */
5183 lpfc_mem_free_all(phba);
5184
5185 /* Free the current connect table */
5186 list_for_each_entry_safe(conn_entry, next_conn_entry,
4d9ab994
JS		 5187 &phba->fcf_conn_rec_list, list) {
5188 list_del_init(&conn_entry->list);
da0436e9 5189 kfree(conn_entry);
4d9ab994 5190 }
da0436e9
JS		 5191
5192 return;
5193}
5194
5195/**
25985edc 5196 * lpfc_init_api_table_setup - Set up init api function jump table
da0436e9
JS		 5197 * @phba: The hba struct for which this call is being executed.
5198 * @dev_grp: The HBA PCI-Device group number.
5199 *
5200 * This routine sets up the device INIT interface API function jump table
5201 * in @phba struct.
5202 *
5203 * Returns: 0 - success, -ENODEV - failure.
5204 **/
5205int
5206lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
5207{
84d1b006
JS		 5208 phba->lpfc_hba_init_link = lpfc_hba_init_link;
5209 phba->lpfc_hba_down_link = lpfc_hba_down_link;
7f86059a 5210 phba->lpfc_selective_reset = lpfc_selective_reset;
da0436e9
JS		 5211 switch (dev_grp) {
5212 case LPFC_PCI_DEV_LP:
5213 phba->lpfc_hba_down_post = lpfc_hba_down_post_s3;
5214 phba->lpfc_handle_eratt = lpfc_handle_eratt_s3;
5215 phba->lpfc_stop_port = lpfc_stop_port_s3;
5216 break;
5217 case LPFC_PCI_DEV_OC:
5218 phba->lpfc_hba_down_post = lpfc_hba_down_post_s4;
5219 phba->lpfc_handle_eratt = lpfc_handle_eratt_s4;
5220 phba->lpfc_stop_port = lpfc_stop_port_s4;
5221 break;
5222 default:
5223 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5224 "1431 Invalid HBA PCI-device group: 0x%x\n",
5225 dev_grp);
5226 return -ENODEV;
5227 break;
5228 }
5229 return 0;
5230}
5231
5232/**
5233 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5234 * @phba: pointer to lpfc hba data structure.
5235 *
5236 * This routine is invoked to set up the driver internal resources before the
5237 * device specific resource setup to support the HBA device it attached to.
5238 *
5239 * Return codes
af901ca1 5240 * 0 - successful
da0436e9
JS		 5241 * other values - error
5242 **/
5243static int
5244lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba)
5245{
5246 /*
5247 * Driver resources common to all SLI revisions
5248 */
5249 atomic_set(&phba->fast_event_count, 0);
5250 spin_lock_init(&phba->hbalock);
5251
5252 /* Initialize ndlp management spinlock */
5253 spin_lock_init(&phba->ndlp_lock);
5254
5255 INIT_LIST_HEAD(&phba->port_list);
5256 INIT_LIST_HEAD(&phba->work_list);
5257 init_waitqueue_head(&phba->wait_4_mlo_m_q);
5258
5259 /* Initialize the wait queue head for the kernel thread */
5260 init_waitqueue_head(&phba->work_waitq);
5261
5262 /* Initialize the scsi buffer list used by driver for scsi IO */
5263 spin_lock_init(&phba->scsi_buf_list_lock);
5264 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
5265
5266 /* Initialize the fabric iocb list */
5267 INIT_LIST_HEAD(&phba->fabric_iocb_list);
5268
5269 /* Initialize list to save ELS buffers */
5270 INIT_LIST_HEAD(&phba->elsbuf);
5271
5272 /* Initialize FCF connection rec list */
5273 INIT_LIST_HEAD(&phba->fcf_conn_rec_list);
5274
5275 return 0;
5276}
5277
5278/**
5279 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
5280 * @phba: pointer to lpfc hba data structure.
5281 *
5282 * This routine is invoked to set up the driver internal resources after the
5283 * device specific resource setup to support the HBA device it attached to.
5284 *
5285 * Return codes
af901ca1 5286 * 0 - successful
da0436e9
JS		 5287 * other values - error
5288 **/
5289static int
5290lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba)
5291{
5292 int error;
5293
5294 /* Startup the kernel thread for this host adapter. */
5295 phba->worker_thread = kthread_run(lpfc_do_work, phba,
5296 "lpfc_worker_%d", phba->brd_no);
5297 if (IS_ERR(phba->worker_thread)) {
5298 error = PTR_ERR(phba->worker_thread);
5299 return error;
3772a991
JS		 5300 }
5301
5302 return 0;
5303}
5304
5305/**
5306 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
5307 * @phba: pointer to lpfc hba data structure.
5308 *
5309 * This routine is invoked to unset the driver internal resources set up after
5310 * the device specific resource setup for supporting the HBA device it
5311 * attached to.
5312 **/
5313static void
5314lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba)
5315{
5316 /* Stop kernel worker thread */
5317 kthread_stop(phba->worker_thread);
5318}
5319
5320/**
5321 * lpfc_free_iocb_list - Free iocb list.
5322 * @phba: pointer to lpfc hba data structure.
5323 *
5324 * This routine is invoked to free the driver's IOCB list and memory.
5325 **/
5326static void
5327lpfc_free_iocb_list(struct lpfc_hba *phba)
5328{
5329 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
5330
5331 spin_lock_irq(&phba->hbalock);
5332 list_for_each_entry_safe(iocbq_entry, iocbq_next,
5333 &phba->lpfc_iocb_list, list) {
5334 list_del(&iocbq_entry->list);
5335 kfree(iocbq_entry);
5336 phba->total_iocbq_bufs--;
98c9ea5c 5337 }
3772a991
JS		 5338 spin_unlock_irq(&phba->hbalock);
5339
5340 return;
5341}
5342
5343/**
5344 * lpfc_init_iocb_list - Allocate and initialize iocb list.
5345 * @phba: pointer to lpfc hba data structure.
5346 *
5347 * This routine is invoked to allocate and initizlize the driver's IOCB
5348 * list and set up the IOCB tag array accordingly.
5349 *
5350 * Return codes
af901ca1 5351 * 0 - successful
3772a991
JS		 5352 * other values - error
5353 **/
5354static int
5355lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count)
5356{
5357 struct lpfc_iocbq *iocbq_entry = NULL;
5358 uint16_t iotag;
5359 int i;
dea3101e 5360
5361 /* Initialize and populate the iocb list per host. */
5362 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
3772a991 5363 for (i = 0; i < iocb_count; i++) {
dd00cc48 5364 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
dea3101e 5365 if (iocbq_entry == NULL) {
5366 printk(KERN_ERR "%s: only allocated %d iocbs of "
5367 "expected %d count. Unloading driver.\n",
cadbd4a5 5368 __func__, i, LPFC_IOCB_LIST_CNT);
dea3101e 5369 goto out_free_iocbq;
5370 }
5371
604a3e30
JB		 5372 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
5373 if (iotag == 0) {
3772a991 5374 kfree(iocbq_entry);
604a3e30 5375 printk(KERN_ERR "%s: failed to allocate IOTAG. "
3772a991 5376 "Unloading driver.\n", __func__);
604a3e30
JB		 5377 goto out_free_iocbq;
5378 }
6d368e53 5379 iocbq_entry->sli4_lxritag = NO_XRI;
3772a991 5380 iocbq_entry->sli4_xritag = NO_XRI;
2e0fef85
JS		 5381
5382 spin_lock_irq(&phba->hbalock);
dea3101e 5383 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
5384 phba->total_iocbq_bufs++;
2e0fef85 5385 spin_unlock_irq(&phba->hbalock);
dea3101e 5386 }
5387
3772a991 5388 return 0;
dea3101e 5389
3772a991
JS		 5390out_free_iocbq:
5391 lpfc_free_iocb_list(phba);
dea3101e 5392
3772a991
JS		 5393 return -ENOMEM;
5394}
5e9d9b82 5395
3772a991 5396/**
8a9d2e80 5397 * lpfc_free_sgl_list - Free a given sgl list.
da0436e9 5398 * @phba: pointer to lpfc hba data structure.
8a9d2e80 5399 * @sglq_list: pointer to the head of sgl list.
3772a991 5400 *
8a9d2e80 5401 * This routine is invoked to free a give sgl list and memory.
3772a991 5402 **/
8a9d2e80
JS		 5403void
5404lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list)
3772a991 5405{
da0436e9 5406 struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
8a9d2e80
JS		 5407
5408 list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) {
5409 list_del(&sglq_entry->list);
5410 lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys);
5411 kfree(sglq_entry);
5412 }
5413}
5414
5415/**
5416 * lpfc_free_els_sgl_list - Free els sgl list.
5417 * @phba: pointer to lpfc hba data structure.
5418 *
5419 * This routine is invoked to free the driver's els sgl list and memory.
5420 **/
5421static void
5422lpfc_free_els_sgl_list(struct lpfc_hba *phba)
5423{
da0436e9 5424 LIST_HEAD(sglq_list);
dea3101e 5425
8a9d2e80 5426 /* Retrieve all els sgls from driver list */
da0436e9
JS		 5427 spin_lock_irq(&phba->hbalock);
5428 list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list);
5429 spin_unlock_irq(&phba->hbalock);
dea3101e 5430
8a9d2e80
JS		 5431 /* Now free the sgl list */
5432 lpfc_free_sgl_list(phba, &sglq_list);
da0436e9 5433}
92d7f7b0 5434
da0436e9
JS		 5435/**
5436 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
5437 * @phba: pointer to lpfc hba data structure.
5438 *
5439 * This routine is invoked to allocate the driver's active sgl memory.
5440 * This array will hold the sglq_entry's for active IOs.
5441 **/
5442static int
5443lpfc_init_active_sgl_array(struct lpfc_hba *phba)
5444{
5445 int size;
5446 size = sizeof(struct lpfc_sglq *);
5447 size *= phba->sli4_hba.max_cfg_param.max_xri;
5448
5449 phba->sli4_hba.lpfc_sglq_active_list =
5450 kzalloc(size, GFP_KERNEL);
5451 if (!phba->sli4_hba.lpfc_sglq_active_list)
5452 return -ENOMEM;
5453 return 0;
3772a991
JS		 5454}
5455
5456/**
da0436e9 5457 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
3772a991
JS		 5458 * @phba: pointer to lpfc hba data structure.
5459 *
da0436e9
JS		 5460 * This routine is invoked to walk through the array of active sglq entries
5461 * and free all of the resources.
5462 * This is just a place holder for now.
3772a991
JS		 5463 **/
5464static void
da0436e9 5465lpfc_free_active_sgl(struct lpfc_hba *phba)
3772a991 5466{
da0436e9 5467 kfree(phba->sli4_hba.lpfc_sglq_active_list);
3772a991
JS		 5468}
5469
5470/**
da0436e9 5471 * lpfc_init_sgl_list - Allocate and initialize sgl list.
3772a991
JS		 5472 * @phba: pointer to lpfc hba data structure.
5473 *
da0436e9
JS		 5474 * This routine is invoked to allocate and initizlize the driver's sgl
5475 * list and set up the sgl xritag tag array accordingly.
3772a991 5476 *
3772a991 5477 **/
8a9d2e80 5478static void
da0436e9 5479lpfc_init_sgl_list(struct lpfc_hba *phba)
3772a991 5480{
da0436e9
JS		 5481 /* Initialize and populate the sglq list per host/VF. */
5482 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list);
5483 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list);
5484
8a9d2e80
JS		 5485 /* els xri-sgl book keeping */
5486 phba->sli4_hba.els_xri_cnt = 0;
0ff10d46 5487
8a9d2e80 5488 /* scsi xri-buffer book keeping */
da0436e9 5489 phba->sli4_hba.scsi_xri_cnt = 0;
da0436e9
JS		 5490}
5491
5492/**
5493 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5494 * @phba: pointer to lpfc hba data structure.
5495 *
5496 * This routine is invoked to post rpi header templates to the
88a2cfbb 5497 * port for those SLI4 ports that do not support extents. This routine
da0436e9 5498 * posts a PAGE_SIZE memory region to the port to hold up to
88a2cfbb
JS		 5499 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5500 * and should be called only when interrupts are disabled.
da0436e9
JS		 5501 *
5502 * Return codes
af901ca1 5503 * 0 - successful
88a2cfbb 5504 * -ERROR - otherwise.
da0436e9
JS		 5505 **/
5506int
5507lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba)
5508{
5509 int rc = 0;
da0436e9
JS		 5510 struct lpfc_rpi_hdr *rpi_hdr;
5511
5512 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list);
ff78d8f9 5513 if (!phba->sli4_hba.rpi_hdrs_in_use)
6d368e53 5514 return rc;
6d368e53
JS		 5515 if (phba->sli4_hba.extents_in_use)
5516 return -EIO;
da0436e9
JS		 5517
5518 rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
5519 if (!rpi_hdr) {
5520 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
5521 "0391 Error during rpi post operation\n");
5522 lpfc_sli4_remove_rpis(phba);
5523 rc = -ENODEV;
5524 }
5525
5526 return rc;
5527}
5528
5529/**
5530 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5531 * @phba: pointer to lpfc hba data structure.
5532 *
5533 * This routine is invoked to allocate a single 4KB memory region to
5534 * support rpis and stores them in the phba. This single region
5535 * provides support for up to 64 rpis. The region is used globally
5536 * by the device.
5537 *
5538 * Returns:
5539 * A valid rpi hdr on success.
5540 * A NULL pointer on any failure.
5541 **/
5542struct lpfc_rpi_hdr *
5543lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
5544{
5545 uint16_t rpi_limit, curr_rpi_range;
5546 struct lpfc_dmabuf *dmabuf;
5547 struct lpfc_rpi_hdr *rpi_hdr;
9589b062 5548 uint32_t rpi_count;
da0436e9 5549
6d368e53
JS		 5550 /*
5551 * If the SLI4 port supports extents, posting the rpi header isn't
5552 * required. Set the expected maximum count and let the actual value
5553 * get set when extents are fully allocated.
5554 */
5555 if (!phba->sli4_hba.rpi_hdrs_in_use)
5556 return NULL;
5557 if (phba->sli4_hba.extents_in_use)
5558 return NULL;
5559
5560 /* The limit on the logical index is just the max_rpi count. */
da0436e9 5561 rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base +
6d368e53 5562 phba->sli4_hba.max_cfg_param.max_rpi - 1;
da0436e9
JS		 5563
5564 spin_lock_irq(&phba->hbalock);
6d368e53
JS		 5565 /*
5566 * Establish the starting RPI in this header block. The starting
5567 * rpi is normalized to a zero base because the physical rpi is
5568 * port based.
5569 */
97f2ecf1 5570 curr_rpi_range = phba->sli4_hba.next_rpi;
da0436e9
JS		 5571 spin_unlock_irq(&phba->hbalock);
5572
5573 /*
5574 * The port has a limited number of rpis. The increment here
5575 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5576 * and to allow the full max_rpi range per port.
5577 */
5578 if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit)
9589b062
JS		 5579 rpi_count = rpi_limit - curr_rpi_range;
5580 else
5581 rpi_count = LPFC_RPI_HDR_COUNT;
da0436e9 5582
6d368e53
JS		 5583 if (!rpi_count)
5584 return NULL;
da0436e9
JS		 5585 /*
5586 * First allocate the protocol header region for the port. The
5587 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5588 */
5589 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
5590 if (!dmabuf)
5591 return NULL;
5592
5593 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
5594 LPFC_HDR_TEMPLATE_SIZE,
5595 &dmabuf->phys,
5596 GFP_KERNEL);
5597 if (!dmabuf->virt) {
5598 rpi_hdr = NULL;
5599 goto err_free_dmabuf;
5600 }
5601
5602 memset(dmabuf->virt, 0, LPFC_HDR_TEMPLATE_SIZE);
5603 if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) {
5604 rpi_hdr = NULL;
5605 goto err_free_coherent;
5606 }
5607
5608 /* Save the rpi header data for cleanup later. */
5609 rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL);
5610 if (!rpi_hdr)
5611 goto err_free_coherent;
5612
5613 rpi_hdr->dmabuf = dmabuf;
5614 rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE;
5615 rpi_hdr->page_count = 1;
5616 spin_lock_irq(&phba->hbalock);
6d368e53
JS		 5617
5618 /* The rpi_hdr stores the logical index only. */
5619 rpi_hdr->start_rpi = curr_rpi_range;
da0436e9
JS		 5620 list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list);
5621
5622 /*
6d368e53
JS		 5623 * The next_rpi stores the next logical module-64 rpi value used
5624 * to post physical rpis in subsequent rpi postings.
da0436e9 5625 */
9589b062 5626 phba->sli4_hba.next_rpi += rpi_count;
da0436e9
JS		 5627 spin_unlock_irq(&phba->hbalock);
5628 return rpi_hdr;
5629
5630 err_free_coherent:
5631 dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE,
5632 dmabuf->virt, dmabuf->phys);
5633 err_free_dmabuf:
5634 kfree(dmabuf);
5635 return NULL;
5636}
5637
5638/**
5639 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5640 * @phba: pointer to lpfc hba data structure.
5641 *
5642 * This routine is invoked to remove all memory resources allocated
6d368e53
JS		 5643 * to support rpis for SLI4 ports not supporting extents. This routine
5644 * presumes the caller has released all rpis consumed by fabric or port
5645 * logins and is prepared to have the header pages removed.
da0436e9
JS		 5646 **/
5647void
5648lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba)
5649{
5650 struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr;
5651
6d368e53
JS		 5652 if (!phba->sli4_hba.rpi_hdrs_in_use)
5653 goto exit;
5654
da0436e9
JS		 5655 list_for_each_entry_safe(rpi_hdr, next_rpi_hdr,
5656 &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
5657 list_del(&rpi_hdr->list);
5658 dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len,
5659 rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys);
5660 kfree(rpi_hdr->dmabuf);
5661 kfree(rpi_hdr);
5662 }
6d368e53
JS		 5663 exit:
5664 /* There are no rpis available to the port now. */
5665 phba->sli4_hba.next_rpi = 0;
da0436e9
JS		 5666}
5667
5668/**
5669 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5670 * @pdev: pointer to pci device data structure.
5671 *
5672 * This routine is invoked to allocate the driver hba data structure for an
5673 * HBA device. If the allocation is successful, the phba reference to the
5674 * PCI device data structure is set.
5675 *
5676 * Return codes
af901ca1 5677 * pointer to @phba - successful
da0436e9
JS		 5678 * NULL - error
5679 **/
5680static struct lpfc_hba *
5681lpfc_hba_alloc(struct pci_dev *pdev)
5682{
5683 struct lpfc_hba *phba;
5684
5685 /* Allocate memory for HBA structure */
5686 phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL);
5687 if (!phba) {
e34ccdfe 5688 dev_err(&pdev->dev, "failed to allocate hba struct\n");
da0436e9
JS		 5689 return NULL;
5690 }
5691
5692 /* Set reference to PCI device in HBA structure */
5693 phba->pcidev = pdev;
5694
5695 /* Assign an unused board number */
5696 phba->brd_no = lpfc_get_instance();
5697 if (phba->brd_no < 0) {
5698 kfree(phba);
5699 return NULL;
5700 }
5701
4fede78f 5702 spin_lock_init(&phba->ct_ev_lock);
f1c3b0fc
JS		 5703 INIT_LIST_HEAD(&phba->ct_ev_waiters);
5704
da0436e9
JS		 5705 return phba;
5706}
5707
5708/**
5709 * lpfc_hba_free - Free driver hba data structure with a device.
5710 * @phba: pointer to lpfc hba data structure.
5711 *
5712 * This routine is invoked to free the driver hba data structure with an
5713 * HBA device.
5714 **/
5715static void
5716lpfc_hba_free(struct lpfc_hba *phba)
5717{
5718 /* Release the driver assigned board number */
5719 idr_remove(&lpfc_hba_index, phba->brd_no);
5720
2a76a283
JS		 5721 /* Free memory allocated with sli rings */
5722 kfree(phba->sli.ring);
5723 phba->sli.ring = NULL;
5724
da0436e9
JS		 5725 kfree(phba);
5726 return;
5727}
5728
5729/**
5730 * lpfc_create_shost - Create hba physical port with associated scsi host.
5731 * @phba: pointer to lpfc hba data structure.
5732 *
5733 * This routine is invoked to create HBA physical port and associate a SCSI
5734 * host with it.
5735 *
5736 * Return codes
af901ca1 5737 * 0 - successful
da0436e9
JS		 5738 * other values - error
5739 **/
5740static int
5741lpfc_create_shost(struct lpfc_hba *phba)
5742{
5743 struct lpfc_vport *vport;
5744 struct Scsi_Host *shost;
5745
5746 /* Initialize HBA FC structure */
5747 phba->fc_edtov = FF_DEF_EDTOV;
5748 phba->fc_ratov = FF_DEF_RATOV;
5749 phba->fc_altov = FF_DEF_ALTOV;
5750 phba->fc_arbtov = FF_DEF_ARBTOV;
5751
d7c47992 5752 atomic_set(&phba->sdev_cnt, 0);
da0436e9
JS		 5753 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
5754 if (!vport)
5755 return -ENODEV;
5756
5757 shost = lpfc_shost_from_vport(vport);
5758 phba->pport = vport;
5759 lpfc_debugfs_initialize(vport);
5760 /* Put reference to SCSI host to driver's device private data */
5761 pci_set_drvdata(phba->pcidev, shost);
2e0fef85 5762
3772a991
JS		 5763 return 0;
5764}
db2378e0 5765
3772a991
JS		 5766/**
5767 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
5768 * @phba: pointer to lpfc hba data structure.
5769 *
5770 * This routine is invoked to destroy HBA physical port and the associated
5771 * SCSI host.
5772 **/
5773static void
5774lpfc_destroy_shost(struct lpfc_hba *phba)
5775{
5776 struct lpfc_vport *vport = phba->pport;
5777
5778 /* Destroy physical port that associated with the SCSI host */
5779 destroy_port(vport);
5780
5781 return;
5782}
5783
5784/**
5785 * lpfc_setup_bg - Setup Block guard structures and debug areas.
5786 * @phba: pointer to lpfc hba data structure.
5787 * @shost: the shost to be used to detect Block guard settings.
5788 *
5789 * This routine sets up the local Block guard protocol settings for @shost.
5790 * This routine also allocates memory for debugging bg buffers.
5791 **/
5792static void
5793lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost)
5794{
bbeb79b9
JS		 5795 uint32_t old_mask;
5796 uint32_t old_guard;
5797
3772a991
JS		 5798 int pagecnt = 10;
5799 if (lpfc_prot_mask && lpfc_prot_guard) {
5800 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5801 "1478 Registering BlockGuard with the "
5802 "SCSI layer\n");
bbeb79b9
JS		 5803
5804 old_mask = lpfc_prot_mask;
5805 old_guard = lpfc_prot_guard;
5806
5807 /* Only allow supported values */
5808 lpfc_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION |
5809 SHOST_DIX_TYPE0_PROTECTION |
5810 SHOST_DIX_TYPE1_PROTECTION);
5811 lpfc_prot_guard &= (SHOST_DIX_GUARD_IP | SHOST_DIX_GUARD_CRC);
5812
5813 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
5814 if (lpfc_prot_mask == SHOST_DIX_TYPE1_PROTECTION)
5815 lpfc_prot_mask |= SHOST_DIF_TYPE1_PROTECTION;
5816
5817 if (lpfc_prot_mask && lpfc_prot_guard) {
5818 if ((old_mask != lpfc_prot_mask) ||
5819 (old_guard != lpfc_prot_guard))
5820 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5821 "1475 Registering BlockGuard with the "
5822 "SCSI layer: mask %d guard %d\n",
5823 lpfc_prot_mask, lpfc_prot_guard);
5824
5825 scsi_host_set_prot(shost, lpfc_prot_mask);
5826 scsi_host_set_guard(shost, lpfc_prot_guard);
5827 } else
5828 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5829 "1479 Not Registering BlockGuard with the SCSI "
5830 "layer, Bad protection parameters: %d %d\n",
5831 old_mask, old_guard);
3772a991 5832 }
bbeb79b9 5833
3772a991
JS		 5834 if (!_dump_buf_data) {
5835 while (pagecnt) {
5836 spin_lock_init(&_dump_buf_lock);
5837 _dump_buf_data =
5838 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
5839 if (_dump_buf_data) {
6a9c52cf
JS		 5840 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5841 "9043 BLKGRD: allocated %d pages for "
3772a991
JS		 5842 "_dump_buf_data at 0x%p\n",
5843 (1 << pagecnt), _dump_buf_data);
5844 _dump_buf_data_order = pagecnt;
5845 memset(_dump_buf_data, 0,
5846 ((1 << PAGE_SHIFT) << pagecnt));
5847 break;
5848 } else
5849 --pagecnt;
5850 }
5851 if (!_dump_buf_data_order)
6a9c52cf
JS		 5852 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5853 "9044 BLKGRD: ERROR unable to allocate "
3772a991
JS		 5854 "memory for hexdump\n");
5855 } else
6a9c52cf
JS		 5856 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5857 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
3772a991
JS		 5858 "\n", _dump_buf_data);
5859 if (!_dump_buf_dif) {
5860 while (pagecnt) {
5861 _dump_buf_dif =
5862 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
5863 if (_dump_buf_dif) {
6a9c52cf
JS		 5864 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5865 "9046 BLKGRD: allocated %d pages for "
3772a991
JS		 5866 "_dump_buf_dif at 0x%p\n",
5867 (1 << pagecnt), _dump_buf_dif);
5868 _dump_buf_dif_order = pagecnt;
5869 memset(_dump_buf_dif, 0,
5870 ((1 << PAGE_SHIFT) << pagecnt));
5871 break;
5872 } else
5873 --pagecnt;
5874 }
5875 if (!_dump_buf_dif_order)
6a9c52cf
JS		 5876 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5877 "9047 BLKGRD: ERROR unable to allocate "
3772a991
JS		 5878 "memory for hexdump\n");
5879 } else
6a9c52cf
JS		 5880 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5881 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
3772a991
JS		 5882 _dump_buf_dif);
5883}
5884
5885/**
5886 * lpfc_post_init_setup - Perform necessary device post initialization setup.
5887 * @phba: pointer to lpfc hba data structure.
5888 *
5889 * This routine is invoked to perform all the necessary post initialization
5890 * setup for the device.
5891 **/
5892static void
5893lpfc_post_init_setup(struct lpfc_hba *phba)
5894{
5895 struct Scsi_Host *shost;
5896 struct lpfc_adapter_event_header adapter_event;
5897
5898 /* Get the default values for Model Name and Description */
5899 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
5900
5901 /*
5902 * hba setup may have changed the hba_queue_depth so we need to
5903 * adjust the value of can_queue.
5904 */
5905 shost = pci_get_drvdata(phba->pcidev);
5906 shost->can_queue = phba->cfg_hba_queue_depth - 10;
5907 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
5908 lpfc_setup_bg(phba, shost);
5909
5910 lpfc_host_attrib_init(shost);
5911
5912 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
5913 spin_lock_irq(shost->host_lock);
5914 lpfc_poll_start_timer(phba);
5915 spin_unlock_irq(shost->host_lock);
5916 }
5917
5918 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5919 "0428 Perform SCSI scan\n");
5920 /* Send board arrival event to upper layer */
5921 adapter_event.event_type = FC_REG_ADAPTER_EVENT;
5922 adapter_event.subcategory = LPFC_EVENT_ARRIVAL;
5923 fc_host_post_vendor_event(shost, fc_get_event_number(),
5924 sizeof(adapter_event),
5925 (char *) &adapter_event,
5926 LPFC_NL_VENDOR_ID);
5927 return;
5928}
5929
5930/**
5931 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
5932 * @phba: pointer to lpfc hba data structure.
5933 *
5934 * This routine is invoked to set up the PCI device memory space for device
5935 * with SLI-3 interface spec.
5936 *
5937 * Return codes
af901ca1 5938 * 0 - successful
3772a991
JS		 5939 * other values - error
5940 **/
5941static int
5942lpfc_sli_pci_mem_setup(struct lpfc_hba *phba)
5943{
5944 struct pci_dev *pdev;
5945 unsigned long bar0map_len, bar2map_len;
5946 int i, hbq_count;
5947 void *ptr;
5948 int error = -ENODEV;
5949
5950 /* Obtain PCI device reference */
5951 if (!phba->pcidev)
5952 return error;
5953 else
5954 pdev = phba->pcidev;
5955
5956 /* Set the device DMA mask size */
8e68597d
MR		 5957 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
5958 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
5959 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
5960 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
3772a991 5961 return error;
8e68597d
MR		 5962 }
5963 }
3772a991
JS		 5964
5965 /* Get the bus address of Bar0 and Bar2 and the number of bytes
5966 * required by each mapping.
5967 */
5968 phba->pci_bar0_map = pci_resource_start(pdev, 0);
5969 bar0map_len = pci_resource_len(pdev, 0);
5970
5971 phba->pci_bar2_map = pci_resource_start(pdev, 2);
5972 bar2map_len = pci_resource_len(pdev, 2);
5973
5974 /* Map HBA SLIM to a kernel virtual address. */
5975 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
5976 if (!phba->slim_memmap_p) {
5977 dev_printk(KERN_ERR, &pdev->dev,
5978 "ioremap failed for SLIM memory.\n");
5979 goto out;
5980 }
5981
5982 /* Map HBA Control Registers to a kernel virtual address. */
5983 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
5984 if (!phba->ctrl_regs_memmap_p) {
5985 dev_printk(KERN_ERR, &pdev->dev,
5986 "ioremap failed for HBA control registers.\n");
5987 goto out_iounmap_slim;
5988 }
5989
5990 /* Allocate memory for SLI-2 structures */
5991 phba->slim2p.virt = dma_alloc_coherent(&pdev->dev,
5992 SLI2_SLIM_SIZE,
5993 &phba->slim2p.phys,
5994 GFP_KERNEL);
5995 if (!phba->slim2p.virt)
5996 goto out_iounmap;
5997
5998 memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE);
5999 phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
7a470277
JS		 6000 phba->mbox_ext = (phba->slim2p.virt +
6001 offsetof(struct lpfc_sli2_slim, mbx_ext_words));
3772a991
JS		 6002 phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
6003 phba->IOCBs = (phba->slim2p.virt +
6004 offsetof(struct lpfc_sli2_slim, IOCBs));
6005
6006 phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev,
6007 lpfc_sli_hbq_size(),
6008 &phba->hbqslimp.phys,
6009 GFP_KERNEL);
6010 if (!phba->hbqslimp.virt)
6011 goto out_free_slim;
6012
6013 hbq_count = lpfc_sli_hbq_count();
6014 ptr = phba->hbqslimp.virt;
6015 for (i = 0; i < hbq_count; ++i) {
6016 phba->hbqs[i].hbq_virt = ptr;
6017 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
6018 ptr += (lpfc_hbq_defs[i]->entry_count *
6019 sizeof(struct lpfc_hbq_entry));
6020 }
6021 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
6022 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
6023
6024 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
6025
6026 INIT_LIST_HEAD(&phba->rb_pend_list);
6027
6028 phba->MBslimaddr = phba->slim_memmap_p;
6029 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
6030 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
6031 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
6032 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
6033
6034 return 0;
6035
6036out_free_slim:
6037 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
6038 phba->slim2p.virt, phba->slim2p.phys);
6039out_iounmap:
6040 iounmap(phba->ctrl_regs_memmap_p);
6041out_iounmap_slim:
6042 iounmap(phba->slim_memmap_p);
6043out:
6044 return error;
6045}
6046
6047/**
6048 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
6049 * @phba: pointer to lpfc hba data structure.
6050 *
6051 * This routine is invoked to unset the PCI device memory space for device
6052 * with SLI-3 interface spec.
6053 **/
6054static void
6055lpfc_sli_pci_mem_unset(struct lpfc_hba *phba)
6056{
6057 struct pci_dev *pdev;
6058
6059 /* Obtain PCI device reference */
6060 if (!phba->pcidev)
6061 return;
6062 else
6063 pdev = phba->pcidev;
6064
6065 /* Free coherent DMA memory allocated */
6066 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
6067 phba->hbqslimp.virt, phba->hbqslimp.phys);
6068 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
6069 phba->slim2p.virt, phba->slim2p.phys);
6070
6071 /* I/O memory unmap */
6072 iounmap(phba->ctrl_regs_memmap_p);
6073 iounmap(phba->slim_memmap_p);
6074
6075 return;
6076}
6077
6078/**
da0436e9 6079 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
3772a991
JS		 6080 * @phba: pointer to lpfc hba data structure.
6081 *
da0436e9
JS		 6082 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
6083 * done and check status.
3772a991 6084 *
da0436e9 6085 * Return 0 if successful, otherwise -ENODEV.
3772a991 6086 **/
da0436e9
JS		 6087int
6088lpfc_sli4_post_status_check(struct lpfc_hba *phba)
3772a991 6089{
2fcee4bf
JS		 6090 struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg;
6091 struct lpfc_register reg_data;
6092 int i, port_error = 0;
6093 uint32_t if_type;
3772a991 6094
9940b97b
JS		 6095 memset(&portsmphr_reg, 0, sizeof(portsmphr_reg));
6096 memset(&reg_data, 0, sizeof(reg_data));
2fcee4bf 6097 if (!phba->sli4_hba.PSMPHRregaddr)
da0436e9 6098 return -ENODEV;
3772a991 6099
da0436e9
JS		 6100 /* Wait up to 30 seconds for the SLI Port POST done and ready */
6101 for (i = 0; i < 3000; i++) {
9940b97b
JS		 6102 if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr,
6103 &portsmphr_reg.word0) ||
6104 (bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) {
2fcee4bf 6105 /* Port has a fatal POST error, break out */
da0436e9
JS		 6106 port_error = -ENODEV;
6107 break;
6108 }
2fcee4bf
JS		 6109 if (LPFC_POST_STAGE_PORT_READY ==
6110 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg))
da0436e9 6111 break;
da0436e9 6112 msleep(10);
3772a991
JS		 6113 }
6114
2fcee4bf
JS		 6115 /*
6116 * If there was a port error during POST, then don't proceed with
6117 * other register reads as the data may not be valid. Just exit.
6118 */
6119 if (port_error) {
da0436e9 6120 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2fcee4bf
JS		 6121 "1408 Port Failed POST - portsmphr=0x%x, "
6122 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
6123 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
6124 portsmphr_reg.word0,
6125 bf_get(lpfc_port_smphr_perr, &portsmphr_reg),
6126 bf_get(lpfc_port_smphr_sfi, &portsmphr_reg),
6127 bf_get(lpfc_port_smphr_nip, &portsmphr_reg),
6128 bf_get(lpfc_port_smphr_ipc, &portsmphr_reg),
6129 bf_get(lpfc_port_smphr_scr1, &portsmphr_reg),
6130 bf_get(lpfc_port_smphr_scr2, &portsmphr_reg),
6131 bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg),
6132 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg));
6133 } else {
28baac74 6134 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2fcee4bf
JS		 6135 "2534 Device Info: SLIFamily=0x%x, "
6136 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
6137 "SLIHint_2=0x%x, FT=0x%x\n",
28baac74
JS		 6138 bf_get(lpfc_sli_intf_sli_family,
6139 &phba->sli4_hba.sli_intf),
6140 bf_get(lpfc_sli_intf_slirev,
6141 &phba->sli4_hba.sli_intf),
085c647c
JS		 6142 bf_get(lpfc_sli_intf_if_type,
6143 &phba->sli4_hba.sli_intf),
6144 bf_get(lpfc_sli_intf_sli_hint1,
28baac74 6145 &phba->sli4_hba.sli_intf),
085c647c
JS		 6146 bf_get(lpfc_sli_intf_sli_hint2,
6147 &phba->sli4_hba.sli_intf),
6148 bf_get(lpfc_sli_intf_func_type,
28baac74 6149 &phba->sli4_hba.sli_intf));
2fcee4bf
JS		 6150 /*
6151 * Check for other Port errors during the initialization
6152 * process. Fail the load if the port did not come up
6153 * correctly.
6154 */
6155 if_type = bf_get(lpfc_sli_intf_if_type,
6156 &phba->sli4_hba.sli_intf);
6157 switch (if_type) {
6158 case LPFC_SLI_INTF_IF_TYPE_0:
6159 phba->sli4_hba.ue_mask_lo =
6160 readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr);
6161 phba->sli4_hba.ue_mask_hi =
6162 readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr);
6163 uerrlo_reg.word0 =
6164 readl(phba->sli4_hba.u.if_type0.UERRLOregaddr);
6165 uerrhi_reg.word0 =
6166 readl(phba->sli4_hba.u.if_type0.UERRHIregaddr);
6167 if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) ||
6168 (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) {
6169 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6170 "1422 Unrecoverable Error "
6171 "Detected during POST "
6172 "uerr_lo_reg=0x%x, "
6173 "uerr_hi_reg=0x%x, "
6174 "ue_mask_lo_reg=0x%x, "
6175 "ue_mask_hi_reg=0x%x\n",
6176 uerrlo_reg.word0,
6177 uerrhi_reg.word0,
6178 phba->sli4_hba.ue_mask_lo,
6179 phba->sli4_hba.ue_mask_hi);
6180 port_error = -ENODEV;
6181 }
6182 break;
6183 case LPFC_SLI_INTF_IF_TYPE_2:
6184 /* Final checks. The port status should be clean. */
9940b97b
JS		 6185 if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
6186 &reg_data.word0) ||
0558056c
JS		 6187 (bf_get(lpfc_sliport_status_err, &reg_data) &&
6188 !bf_get(lpfc_sliport_status_rn, &reg_data))) {
2fcee4bf
JS		 6189 phba->work_status[0] =
6190 readl(phba->sli4_hba.u.if_type2.
6191 ERR1regaddr);
6192 phba->work_status[1] =
6193 readl(phba->sli4_hba.u.if_type2.
6194 ERR2regaddr);
6195 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8fcb8acd
JS		 6196 "2888 Unrecoverable port error "
6197 "following POST: port status reg "
6198 "0x%x, port_smphr reg 0x%x, "
2fcee4bf
JS		 6199 "error 1=0x%x, error 2=0x%x\n",
6200 reg_data.word0,
6201 portsmphr_reg.word0,
6202 phba->work_status[0],
6203 phba->work_status[1]);
6204 port_error = -ENODEV;
6205 }
6206 break;
6207 case LPFC_SLI_INTF_IF_TYPE_1:
6208 default:
6209 break;
6210 }
28baac74 6211 }
da0436e9
JS		 6212 return port_error;
6213}
3772a991 6214
da0436e9
JS		 6215/**
6216 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
6217 * @phba: pointer to lpfc hba data structure.
2fcee4bf 6218 * @if_type: The SLI4 interface type getting configured.
da0436e9
JS		 6219 *
6220 * This routine is invoked to set up SLI4 BAR0 PCI config space register
6221 * memory map.
6222 **/
6223static void
2fcee4bf
JS		 6224lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type)
6225{
6226 switch (if_type) {
6227 case LPFC_SLI_INTF_IF_TYPE_0:
6228 phba->sli4_hba.u.if_type0.UERRLOregaddr =
6229 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO;
6230 phba->sli4_hba.u.if_type0.UERRHIregaddr =
6231 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI;
6232 phba->sli4_hba.u.if_type0.UEMASKLOregaddr =
6233 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO;
6234 phba->sli4_hba.u.if_type0.UEMASKHIregaddr =
6235 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI;
6236 phba->sli4_hba.SLIINTFregaddr =
6237 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
6238 break;
6239 case LPFC_SLI_INTF_IF_TYPE_2:
6240 phba->sli4_hba.u.if_type2.ERR1regaddr =
88a2cfbb
JS		 6241 phba->sli4_hba.conf_regs_memmap_p +
6242 LPFC_CTL_PORT_ER1_OFFSET;
2fcee4bf 6243 phba->sli4_hba.u.if_type2.ERR2regaddr =
88a2cfbb
JS		 6244 phba->sli4_hba.conf_regs_memmap_p +
6245 LPFC_CTL_PORT_ER2_OFFSET;
2fcee4bf 6246 phba->sli4_hba.u.if_type2.CTRLregaddr =
88a2cfbb
JS		 6247 phba->sli4_hba.conf_regs_memmap_p +
6248 LPFC_CTL_PORT_CTL_OFFSET;
2fcee4bf 6249 phba->sli4_hba.u.if_type2.STATUSregaddr =
88a2cfbb
JS		 6250 phba->sli4_hba.conf_regs_memmap_p +
6251 LPFC_CTL_PORT_STA_OFFSET;
2fcee4bf
JS		 6252 phba->sli4_hba.SLIINTFregaddr =
6253 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
6254 phba->sli4_hba.PSMPHRregaddr =
88a2cfbb
JS		 6255 phba->sli4_hba.conf_regs_memmap_p +
6256 LPFC_CTL_PORT_SEM_OFFSET;
2fcee4bf 6257 phba->sli4_hba.RQDBregaddr =
962bc51b
JS		 6258 phba->sli4_hba.conf_regs_memmap_p +
6259 LPFC_ULP0_RQ_DOORBELL;
2fcee4bf 6260 phba->sli4_hba.WQDBregaddr =
962bc51b
JS		 6261 phba->sli4_hba.conf_regs_memmap_p +
6262 LPFC_ULP0_WQ_DOORBELL;
2fcee4bf
JS		 6263 phba->sli4_hba.EQCQDBregaddr =
6264 phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL;
6265 phba->sli4_hba.MQDBregaddr =
6266 phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL;
6267 phba->sli4_hba.BMBXregaddr =
6268 phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX;
6269 break;
6270 case LPFC_SLI_INTF_IF_TYPE_1:
6271 default:
6272 dev_printk(KERN_ERR, &phba->pcidev->dev,
6273 "FATAL - unsupported SLI4 interface type - %d\n",
6274 if_type);
6275 break;
6276 }
da0436e9 6277}
3772a991 6278
da0436e9
JS		 6279/**
6280 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
6281 * @phba: pointer to lpfc hba data structure.
6282 *
6283 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
6284 * memory map.
6285 **/
6286static void
6287lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba)
6288{
2fcee4bf
JS		 6289 phba->sli4_hba.PSMPHRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
6290 LPFC_SLIPORT_IF0_SMPHR;
da0436e9 6291 phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6292 LPFC_HST_ISR0;
da0436e9 6293 phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6294 LPFC_HST_IMR0;
da0436e9 6295 phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6296 LPFC_HST_ISCR0;
3772a991
JS		 6297}
6298
6299/**
da0436e9 6300 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
3772a991 6301 * @phba: pointer to lpfc hba data structure.
da0436e9 6302 * @vf: virtual function number
3772a991 6303 *
da0436e9
JS		 6304 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
6305 * based on the given viftual function number, @vf.
6306 *
6307 * Return 0 if successful, otherwise -ENODEV.
3772a991 6308 **/
da0436e9
JS		 6309static int
6310lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf)
3772a991 6311{
da0436e9
JS		 6312 if (vf > LPFC_VIR_FUNC_MAX)
6313 return -ENODEV;
3772a991 6314
da0436e9 6315 phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
962bc51b
JS		 6316 vf * LPFC_VFR_PAGE_SIZE +
6317 LPFC_ULP0_RQ_DOORBELL);
da0436e9 6318 phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
962bc51b
JS		 6319 vf * LPFC_VFR_PAGE_SIZE +
6320 LPFC_ULP0_WQ_DOORBELL);
da0436e9
JS		 6321 phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6322 vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL);
6323 phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6324 vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL);
6325 phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6326 vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX);
6327 return 0;
3772a991
JS		 6328}
6329
6330/**
da0436e9 6331 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
3772a991
JS		 6332 * @phba: pointer to lpfc hba data structure.
6333 *
da0436e9
JS		 6334 * This routine is invoked to create the bootstrap mailbox
6335 * region consistent with the SLI-4 interface spec. This
6336 * routine allocates all memory necessary to communicate
6337 * mailbox commands to the port and sets up all alignment
6338 * needs. No locks are expected to be held when calling
6339 * this routine.
3772a991
JS		 6340 *
6341 * Return codes
af901ca1 6342 * 0 - successful
d439d286 6343 * -ENOMEM - could not allocated memory.
da0436e9 6344 **/
3772a991 6345static int
da0436e9 6346lpfc_create_bootstrap_mbox(struct lpfc_hba *phba)
3772a991 6347{
da0436e9
JS		 6348 uint32_t bmbx_size;
6349 struct lpfc_dmabuf *dmabuf;
6350 struct dma_address *dma_address;
6351 uint32_t pa_addr;
6352 uint64_t phys_addr;
6353
6354 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
6355 if (!dmabuf)
6356 return -ENOMEM;
3772a991 6357
da0436e9
JS		 6358 /*
6359 * The bootstrap mailbox region is comprised of 2 parts
6360 * plus an alignment restriction of 16 bytes.
6361 */
6362 bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1);
6363 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
6364 bmbx_size,
6365 &dmabuf->phys,
6366 GFP_KERNEL);
6367 if (!dmabuf->virt) {
6368 kfree(dmabuf);
6369 return -ENOMEM;
3772a991 6370 }
da0436e9 6371 memset(dmabuf->virt, 0, bmbx_size);
3772a991 6372
da0436e9
JS		 6373 /*
6374 * Initialize the bootstrap mailbox pointers now so that the register
6375 * operations are simple later. The mailbox dma address is required
6376 * to be 16-byte aligned. Also align the virtual memory as each
6377 * maibox is copied into the bmbx mailbox region before issuing the
6378 * command to the port.
6379 */
6380 phba->sli4_hba.bmbx.dmabuf = dmabuf;
6381 phba->sli4_hba.bmbx.bmbx_size = bmbx_size;
6382
6383 phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt,
6384 LPFC_ALIGN_16_BYTE);
6385 phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys,
6386 LPFC_ALIGN_16_BYTE);
6387
6388 /*
6389 * Set the high and low physical addresses now. The SLI4 alignment
6390 * requirement is 16 bytes and the mailbox is posted to the port
6391 * as two 30-bit addresses. The other data is a bit marking whether
6392 * the 30-bit address is the high or low address.
6393 * Upcast bmbx aphys to 64bits so shift instruction compiles
6394 * clean on 32 bit machines.
6395 */
6396 dma_address = &phba->sli4_hba.bmbx.dma_address;
6397 phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys;
6398 pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff);
6399 dma_address->addr_hi = (uint32_t) ((pa_addr << 2) |
6400 LPFC_BMBX_BIT1_ADDR_HI);
6401
6402 pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff);
6403 dma_address->addr_lo = (uint32_t) ((pa_addr << 2) |
6404 LPFC_BMBX_BIT1_ADDR_LO);
6405 return 0;
3772a991
JS		 6406}
6407
6408/**
da0436e9 6409 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
3772a991
JS		 6410 * @phba: pointer to lpfc hba data structure.
6411 *
da0436e9
JS		 6412 * This routine is invoked to teardown the bootstrap mailbox
6413 * region and release all host resources. This routine requires
6414 * the caller to ensure all mailbox commands recovered, no
6415 * additional mailbox comands are sent, and interrupts are disabled
6416 * before calling this routine.
6417 *
6418 **/
3772a991 6419static void
da0436e9 6420lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba)
3772a991 6421{
da0436e9
JS		 6422 dma_free_coherent(&phba->pcidev->dev,
6423 phba->sli4_hba.bmbx.bmbx_size,
6424 phba->sli4_hba.bmbx.dmabuf->virt,
6425 phba->sli4_hba.bmbx.dmabuf->phys);
6426
6427 kfree(phba->sli4_hba.bmbx.dmabuf);
6428 memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx));
3772a991
JS		 6429}
6430
6431/**
da0436e9 6432 * lpfc_sli4_read_config - Get the config parameters.
3772a991
JS		 6433 * @phba: pointer to lpfc hba data structure.
6434 *
da0436e9
JS		 6435 * This routine is invoked to read the configuration parameters from the HBA.
6436 * The configuration parameters are used to set the base and maximum values
6437 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
6438 * allocation for the port.
3772a991
JS		 6439 *
6440 * Return codes
af901ca1 6441 * 0 - successful
25985edc 6442 * -ENOMEM - No available memory
d439d286 6443 * -EIO - The mailbox failed to complete successfully.
3772a991 6444 **/
ff78d8f9 6445int
da0436e9 6446lpfc_sli4_read_config(struct lpfc_hba *phba)
3772a991 6447{
da0436e9
JS		 6448 LPFC_MBOXQ_t *pmb;
6449 struct lpfc_mbx_read_config *rd_config;
912e3acd
JS		 6450 union lpfc_sli4_cfg_shdr *shdr;
6451 uint32_t shdr_status, shdr_add_status;
6452 struct lpfc_mbx_get_func_cfg *get_func_cfg;
6453 struct lpfc_rsrc_desc_fcfcoe *desc;
8aa134a8 6454 char *pdesc_0;
912e3acd 6455 uint32_t desc_count;
8aa134a8 6456 int length, i, rc = 0, rc2;
3772a991 6457
da0436e9
JS		 6458 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
6459 if (!pmb) {
6460 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6461 "2011 Unable to allocate memory for issuing "
6462 "SLI_CONFIG_SPECIAL mailbox command\n");
6463 return -ENOMEM;
3772a991
JS		 6464 }
6465
da0436e9 6466 lpfc_read_config(phba, pmb);
3772a991 6467
da0436e9
JS		 6468 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
6469 if (rc != MBX_SUCCESS) {
6470 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6471 "2012 Mailbox failed , mbxCmd x%x "
6472 "READ_CONFIG, mbxStatus x%x\n",
6473 bf_get(lpfc_mqe_command, &pmb->u.mqe),
6474 bf_get(lpfc_mqe_status, &pmb->u.mqe));
6475 rc = -EIO;
6476 } else {
6477 rd_config = &pmb->u.mqe.un.rd_config;
ff78d8f9
JS		 6478 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) {
6479 phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL;
6480 phba->sli4_hba.lnk_info.lnk_tp =
6481 bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config);
6482 phba->sli4_hba.lnk_info.lnk_no =
6483 bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config);
6484 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6485 "3081 lnk_type:%d, lnk_numb:%d\n",
6486 phba->sli4_hba.lnk_info.lnk_tp,
6487 phba->sli4_hba.lnk_info.lnk_no);
6488 } else
6489 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
6490 "3082 Mailbox (x%x) returned ldv:x0\n",
6491 bf_get(lpfc_mqe_command, &pmb->u.mqe));
6d368e53
JS		 6492 phba->sli4_hba.extents_in_use =
6493 bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config);
da0436e9
JS		 6494 phba->sli4_hba.max_cfg_param.max_xri =
6495 bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
6496 phba->sli4_hba.max_cfg_param.xri_base =
6497 bf_get(lpfc_mbx_rd_conf_xri_base, rd_config);
6498 phba->sli4_hba.max_cfg_param.max_vpi =
6499 bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
6500 phba->sli4_hba.max_cfg_param.vpi_base =
6501 bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config);
6502 phba->sli4_hba.max_cfg_param.max_rpi =
6503 bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
6504 phba->sli4_hba.max_cfg_param.rpi_base =
6505 bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config);
6506 phba->sli4_hba.max_cfg_param.max_vfi =
6507 bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config);
6508 phba->sli4_hba.max_cfg_param.vfi_base =
6509 bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config);
6510 phba->sli4_hba.max_cfg_param.max_fcfi =
6511 bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config);
da0436e9
JS		 6512 phba->sli4_hba.max_cfg_param.max_eq =
6513 bf_get(lpfc_mbx_rd_conf_eq_count, rd_config);
6514 phba->sli4_hba.max_cfg_param.max_rq =
6515 bf_get(lpfc_mbx_rd_conf_rq_count, rd_config);
6516 phba->sli4_hba.max_cfg_param.max_wq =
6517 bf_get(lpfc_mbx_rd_conf_wq_count, rd_config);
6518 phba->sli4_hba.max_cfg_param.max_cq =
6519 bf_get(lpfc_mbx_rd_conf_cq_count, rd_config);
6520 phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config);
6521 phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base;
6522 phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base;
6523 phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base;
5ffc266e
JS		 6524 phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ?
6525 (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0;
da0436e9
JS		 6526 phba->max_vports = phba->max_vpi;
6527 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6d368e53
JS		 6528 "2003 cfg params Extents? %d "
6529 "XRI(B:%d M:%d), "
da0436e9
JS		 6530 "VPI(B:%d M:%d) "
6531 "VFI(B:%d M:%d) "
6532 "RPI(B:%d M:%d) "
6d368e53
JS		 6533 "FCFI(Count:%d)\n",
6534 phba->sli4_hba.extents_in_use,
da0436e9
JS		 6535 phba->sli4_hba.max_cfg_param.xri_base,
6536 phba->sli4_hba.max_cfg_param.max_xri,
6537 phba->sli4_hba.max_cfg_param.vpi_base,
6538 phba->sli4_hba.max_cfg_param.max_vpi,
6539 phba->sli4_hba.max_cfg_param.vfi_base,
6540 phba->sli4_hba.max_cfg_param.max_vfi,
6541 phba->sli4_hba.max_cfg_param.rpi_base,
6542 phba->sli4_hba.max_cfg_param.max_rpi,
da0436e9 6543 phba->sli4_hba.max_cfg_param.max_fcfi);
3772a991 6544 }
912e3acd
JS		 6545
6546 if (rc)
6547 goto read_cfg_out;
da0436e9
JS		 6548
6549 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
b92938b4
JS		 6550 if (phba->cfg_hba_queue_depth >
6551 (phba->sli4_hba.max_cfg_param.max_xri -
6552 lpfc_sli4_get_els_iocb_cnt(phba)))
da0436e9 6553 phba->cfg_hba_queue_depth =
b92938b4
JS		 6554 phba->sli4_hba.max_cfg_param.max_xri -
6555 lpfc_sli4_get_els_iocb_cnt(phba);
912e3acd
JS		 6556
6557 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
6558 LPFC_SLI_INTF_IF_TYPE_2)
6559 goto read_cfg_out;
6560
6561 /* get the pf# and vf# for SLI4 if_type 2 port */
6562 length = (sizeof(struct lpfc_mbx_get_func_cfg) -
6563 sizeof(struct lpfc_sli4_cfg_mhdr));
6564 lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON,
6565 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG,
6566 length, LPFC_SLI4_MBX_EMBED);
6567
8aa134a8 6568 rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
912e3acd
JS		 6569 shdr = (union lpfc_sli4_cfg_shdr *)
6570 &pmb->u.mqe.un.sli4_config.header.cfg_shdr;
6571 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
6572 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
8aa134a8 6573 if (rc2 || shdr_status || shdr_add_status) {
912e3acd
JS		 6574 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6575 "3026 Mailbox failed , mbxCmd x%x "
6576 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6577 bf_get(lpfc_mqe_command, &pmb->u.mqe),
6578 bf_get(lpfc_mqe_status, &pmb->u.mqe));
912e3acd
JS		 6579 goto read_cfg_out;
6580 }
6581
6582 /* search for fc_fcoe resrouce descriptor */
6583 get_func_cfg = &pmb->u.mqe.un.get_func_cfg;
6584 desc_count = get_func_cfg->func_cfg.rsrc_desc_count;
6585
8aa134a8
JS		 6586 pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0];
6587 desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0;
6588 length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc);
6589 if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD)
6590 length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH;
6591 else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH)
6592 goto read_cfg_out;
6593
912e3acd 6594 for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) {
8aa134a8 6595 desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i);
912e3acd 6596 if (LPFC_RSRC_DESC_TYPE_FCFCOE ==
8aa134a8 6597 bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) {
912e3acd
JS		 6598 phba->sli4_hba.iov.pf_number =
6599 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc);
6600 phba->sli4_hba.iov.vf_number =
6601 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc);
6602 break;
6603 }
6604 }
6605
6606 if (i < LPFC_RSRC_DESC_MAX_NUM)
6607 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6608 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6609 "vf_number:%d\n", phba->sli4_hba.iov.pf_number,
6610 phba->sli4_hba.iov.vf_number);
8aa134a8 6611 else
912e3acd
JS		 6612 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6613 "3028 GET_FUNCTION_CONFIG: failed to find "
6614 "Resrouce Descriptor:x%x\n",
6615 LPFC_RSRC_DESC_TYPE_FCFCOE);
912e3acd
JS		 6616
6617read_cfg_out:
6618 mempool_free(pmb, phba->mbox_mem_pool);
da0436e9 6619 return rc;
3772a991
JS		 6620}
6621
6622/**
2fcee4bf 6623 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
3772a991
JS		 6624 * @phba: pointer to lpfc hba data structure.
6625 *
2fcee4bf
JS		 6626 * This routine is invoked to setup the port-side endian order when
6627 * the port if_type is 0. This routine has no function for other
6628 * if_types.
da0436e9
JS		 6629 *
6630 * Return codes
af901ca1 6631 * 0 - successful
25985edc 6632 * -ENOMEM - No available memory
d439d286 6633 * -EIO - The mailbox failed to complete successfully.
3772a991 6634 **/
da0436e9
JS		 6635static int
6636lpfc_setup_endian_order(struct lpfc_hba *phba)
3772a991 6637{
da0436e9 6638 LPFC_MBOXQ_t *mboxq;
2fcee4bf 6639 uint32_t if_type, rc = 0;
da0436e9
JS		 6640 uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0,
6641 HOST_ENDIAN_HIGH_WORD1};
3772a991 6642
2fcee4bf
JS		 6643 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
6644 switch (if_type) {
6645 case LPFC_SLI_INTF_IF_TYPE_0:
6646 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
6647 GFP_KERNEL);
6648 if (!mboxq) {
6649 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6650 "0492 Unable to allocate memory for "
6651 "issuing SLI_CONFIG_SPECIAL mailbox "
6652 "command\n");
6653 return -ENOMEM;
6654 }
3772a991 6655
2fcee4bf
JS		 6656 /*
6657 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6658 * two words to contain special data values and no other data.
6659 */
6660 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
6661 memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data));
6662 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6663 if (rc != MBX_SUCCESS) {
6664 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6665 "0493 SLI_CONFIG_SPECIAL mailbox "
6666 "failed with status x%x\n",
6667 rc);
6668 rc = -EIO;
6669 }
6670 mempool_free(mboxq, phba->mbox_mem_pool);
6671 break;
6672 case LPFC_SLI_INTF_IF_TYPE_2:
6673 case LPFC_SLI_INTF_IF_TYPE_1:
6674 default:
6675 break;
da0436e9 6676 }
da0436e9 6677 return rc;
3772a991
JS		 6678}
6679
6680/**
5350d872 6681 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
3772a991
JS		 6682 * @phba: pointer to lpfc hba data structure.
6683 *
5350d872
JS		 6684 * This routine is invoked to check the user settable queue counts for EQs and
6685 * CQs. after this routine is called the counts will be set to valid values that
6686 * adhere to the constraints of the system's interrupt vectors and the port's
6687 * queue resources.
da0436e9
JS		 6688 *
6689 * Return codes
af901ca1 6690 * 0 - successful
25985edc 6691 * -ENOMEM - No available memory
3772a991 6692 **/
da0436e9 6693static int
5350d872 6694lpfc_sli4_queue_verify(struct lpfc_hba *phba)
3772a991 6695{
67d12733 6696 int cfg_fcp_io_channel;
90695ee0
JS		 6697 uint32_t cpu;
6698 uint32_t i = 0;
6699
3772a991 6700
da0436e9 6701 /*
67d12733 6702 * Sanity check for configured queue parameters against the run-time
da0436e9
JS		 6703 * device parameters
6704 */
3772a991 6705
67d12733
JS		 6706 /* Sanity check on HBA EQ parameters */
6707 cfg_fcp_io_channel = phba->cfg_fcp_io_channel;
6708
90695ee0
JS		 6709 /* It doesn't make sense to have more io channels then CPUs */
6710 for_each_online_cpu(cpu) {
6711 i++;
6712 }
6713 if (i < cfg_fcp_io_channel) {
82c3e9ba
JS		 6714 lpfc_printf_log(phba,
6715 KERN_ERR, LOG_INIT,
90695ee0
JS		 6716 "3188 Reducing IO channels to match number of "
6717 "CPUs: from %d to %d\n", cfg_fcp_io_channel, i);
6718 cfg_fcp_io_channel = i;
6719 }
6720
67d12733
JS		 6721 if (cfg_fcp_io_channel >
6722 phba->sli4_hba.max_cfg_param.max_eq) {
82c3e9ba
JS		 6723 if (phba->sli4_hba.max_cfg_param.max_eq <
6724 LPFC_FCP_IO_CHAN_MIN) {
da0436e9
JS		 6725 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6726 "2574 Not enough EQs (%d) from the "
6727 "pci function for supporting FCP "
6728 "EQs (%d)\n",
6729 phba->sli4_hba.max_cfg_param.max_eq,
67d12733 6730 phba->cfg_fcp_io_channel);
da0436e9
JS		 6731 goto out_error;
6732 }
82c3e9ba
JS		 6733 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6734 "2575 Reducing IO channels to match number of "
6735 "available EQs: from %d to %d\n",
6736 cfg_fcp_io_channel,
6737 phba->sli4_hba.max_cfg_param.max_eq);
6738 cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq;
da0436e9 6739 }
67d12733
JS		 6740
6741 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
6742
da0436e9 6743 /* The actual number of FCP event queues adopted */
67d12733
JS		 6744 phba->cfg_fcp_eq_count = cfg_fcp_io_channel;
6745 phba->cfg_fcp_wq_count = cfg_fcp_io_channel;
6746 phba->cfg_fcp_io_channel = cfg_fcp_io_channel;
3772a991 6747
da0436e9
JS		 6748 /* Get EQ depth from module parameter, fake the default for now */
6749 phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
6750 phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT;
3772a991 6751
5350d872
JS		 6752 /* Get CQ depth from module parameter, fake the default for now */
6753 phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
6754 phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;
6755
6756 return 0;
6757out_error:
6758 return -ENOMEM;
6759}
6760
6761/**
6762 * lpfc_sli4_queue_create - Create all the SLI4 queues
6763 * @phba: pointer to lpfc hba data structure.
6764 *
6765 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
6766 * operation. For each SLI4 queue type, the parameters such as queue entry
6767 * count (queue depth) shall be taken from the module parameter. For now,
6768 * we just use some constant number as place holder.
6769 *
6770 * Return codes
4907cb7b 6771 * 0 - successful
5350d872
JS		 6772 * -ENOMEM - No availble memory
6773 * -EIO - The mailbox failed to complete successfully.
6774 **/
6775int
6776lpfc_sli4_queue_create(struct lpfc_hba *phba)
6777{
6778 struct lpfc_queue *qdesc;
67d12733 6779 int idx;
5350d872
JS		 6780
6781 /*
67d12733 6782 * Create HBA Record arrays.
5350d872 6783 */
67d12733
JS		 6784 if (!phba->cfg_fcp_io_channel)
6785 return -ERANGE;
5350d872 6786
67d12733
JS		 6787 phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
6788 phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT;
6789 phba->sli4_hba.wq_esize = LPFC_WQE_SIZE;
6790 phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT;
6791 phba->sli4_hba.rq_esize = LPFC_RQE_SIZE;
6792 phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT;
6793
6794 phba->sli4_hba.hba_eq = kzalloc((sizeof(struct lpfc_queue *) *
6795 phba->cfg_fcp_io_channel), GFP_KERNEL);
6796 if (!phba->sli4_hba.hba_eq) {
6797 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6798 "2576 Failed allocate memory for "
6799 "fast-path EQ record array\n");
6800 goto out_error;
6801 }
6802
6803 phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) *
6804 phba->cfg_fcp_io_channel), GFP_KERNEL);
6805 if (!phba->sli4_hba.fcp_cq) {
da0436e9 6806 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
67d12733
JS		 6807 "2577 Failed allocate memory for fast-path "
6808 "CQ record array\n");
6809 goto out_error;
6810 }
6811
6812 phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) *
6813 phba->cfg_fcp_io_channel), GFP_KERNEL);
6814 if (!phba->sli4_hba.fcp_wq) {
6815 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6816 "2578 Failed allocate memory for fast-path "
6817 "WQ record array\n");
da0436e9
JS		 6818 goto out_error;
6819 }
da0436e9 6820
5350d872 6821 /*
67d12733
JS		 6822 * Since the first EQ can have multiple CQs associated with it,
6823 * this array is used to quickly see if we have a FCP fast-path
6824 * CQ match.
5350d872 6825 */
67d12733
JS		 6826 phba->sli4_hba.fcp_cq_map = kzalloc((sizeof(uint16_t) *
6827 phba->cfg_fcp_io_channel), GFP_KERNEL);
6828 if (!phba->sli4_hba.fcp_cq_map) {
6829 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6830 "2545 Failed allocate memory for fast-path "
6831 "CQ map\n");
6832 goto out_error;
da0436e9 6833 }
67d12733
JS		 6834
6835 /*
6836 * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies
6837 * how many EQs to create.
6838 */
6839 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
6840
6841 /* Create EQs */
da0436e9
JS		 6842 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
6843 phba->sli4_hba.eq_ecount);
6844 if (!qdesc) {
6845 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
67d12733
JS		 6846 "0497 Failed allocate EQ (%d)\n", idx);
6847 goto out_error;
da0436e9 6848 }
67d12733
JS		 6849 phba->sli4_hba.hba_eq[idx] = qdesc;
6850
6851 /* Create Fast Path FCP CQs */
6852 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
6853 phba->sli4_hba.cq_ecount);
6854 if (!qdesc) {
6855 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6856 "0499 Failed allocate fast-path FCP "
6857 "CQ (%d)\n", idx);
6858 goto out_error;
6859 }
6860 phba->sli4_hba.fcp_cq[idx] = qdesc;
6861
6862 /* Create Fast Path FCP WQs */
6863 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
6864 phba->sli4_hba.wq_ecount);
6865 if (!qdesc) {
6866 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6867 "0503 Failed allocate fast-path FCP "
6868 "WQ (%d)\n", idx);
6869 goto out_error;
6870 }
6871 phba->sli4_hba.fcp_wq[idx] = qdesc;
da0436e9
JS		 6872 }
6873
67d12733 6874
da0436e9 6875 /*
67d12733 6876 * Create Slow Path Completion Queues (CQs)
da0436e9
JS		 6877 */
6878
da0436e9
JS		 6879 /* Create slow-path Mailbox Command Complete Queue */
6880 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
6881 phba->sli4_hba.cq_ecount);
6882 if (!qdesc) {
6883 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6884 "0500 Failed allocate slow-path mailbox CQ\n");
67d12733 6885 goto out_error;
da0436e9
JS		 6886 }
6887 phba->sli4_hba.mbx_cq = qdesc;
6888
6889 /* Create slow-path ELS Complete Queue */
6890 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
6891 phba->sli4_hba.cq_ecount);
6892 if (!qdesc) {
6893 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6894 "0501 Failed allocate slow-path ELS CQ\n");
67d12733 6895 goto out_error;
da0436e9
JS		 6896 }
6897 phba->sli4_hba.els_cq = qdesc;
6898
da0436e9 6899
5350d872 6900 /*
67d12733 6901 * Create Slow Path Work Queues (WQs)
5350d872 6902 */
da0436e9
JS		 6903
6904 /* Create Mailbox Command Queue */
da0436e9
JS		 6905
6906 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize,
6907 phba->sli4_hba.mq_ecount);
6908 if (!qdesc) {
6909 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6910 "0505 Failed allocate slow-path MQ\n");
67d12733 6911 goto out_error;
da0436e9
JS		 6912 }
6913 phba->sli4_hba.mbx_wq = qdesc;
6914
6915 /*
67d12733 6916 * Create ELS Work Queues
da0436e9 6917 */
da0436e9
JS		 6918
6919 /* Create slow-path ELS Work Queue */
6920 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
6921 phba->sli4_hba.wq_ecount);
6922 if (!qdesc) {
6923 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6924 "0504 Failed allocate slow-path ELS WQ\n");
67d12733 6925 goto out_error;
da0436e9
JS		 6926 }
6927 phba->sli4_hba.els_wq = qdesc;
6928
da0436e9
JS		 6929 /*
6930 * Create Receive Queue (RQ)
6931 */
da0436e9
JS		 6932
6933 /* Create Receive Queue for header */
6934 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
6935 phba->sli4_hba.rq_ecount);
6936 if (!qdesc) {
6937 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6938 "0506 Failed allocate receive HRQ\n");
67d12733 6939 goto out_error;
da0436e9
JS		 6940 }
6941 phba->sli4_hba.hdr_rq = qdesc;
6942
6943 /* Create Receive Queue for data */
6944 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
6945 phba->sli4_hba.rq_ecount);
6946 if (!qdesc) {
6947 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6948 "0507 Failed allocate receive DRQ\n");
67d12733 6949 goto out_error;
da0436e9
JS		 6950 }
6951 phba->sli4_hba.dat_rq = qdesc;
6952
6953 return 0;
6954
da0436e9 6955out_error:
67d12733 6956 lpfc_sli4_queue_destroy(phba);
da0436e9
JS		 6957 return -ENOMEM;
6958}
6959
6960/**
6961 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
6962 * @phba: pointer to lpfc hba data structure.
6963 *
6964 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
6965 * operation.
6966 *
6967 * Return codes
af901ca1 6968 * 0 - successful
25985edc 6969 * -ENOMEM - No available memory
d439d286 6970 * -EIO - The mailbox failed to complete successfully.
da0436e9 6971 **/
5350d872 6972void
da0436e9
JS		 6973lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
6974{
67d12733
JS		 6975 int idx;
6976
6977 if (phba->sli4_hba.hba_eq != NULL) {
6978 /* Release HBA event queue */
6979 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
6980 if (phba->sli4_hba.hba_eq[idx] != NULL) {
6981 lpfc_sli4_queue_free(
6982 phba->sli4_hba.hba_eq[idx]);
6983 phba->sli4_hba.hba_eq[idx] = NULL;
6984 }
6985 }
6986 kfree(phba->sli4_hba.hba_eq);
6987 phba->sli4_hba.hba_eq = NULL;
6988 }
6989
6990 if (phba->sli4_hba.fcp_cq != NULL) {
6991 /* Release FCP completion queue */
6992 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
6993 if (phba->sli4_hba.fcp_cq[idx] != NULL) {
6994 lpfc_sli4_queue_free(
6995 phba->sli4_hba.fcp_cq[idx]);
6996 phba->sli4_hba.fcp_cq[idx] = NULL;
6997 }
6998 }
6999 kfree(phba->sli4_hba.fcp_cq);
7000 phba->sli4_hba.fcp_cq = NULL;
7001 }
7002
7003 if (phba->sli4_hba.fcp_wq != NULL) {
7004 /* Release FCP work queue */
7005 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7006 if (phba->sli4_hba.fcp_wq[idx] != NULL) {
7007 lpfc_sli4_queue_free(
7008 phba->sli4_hba.fcp_wq[idx]);
7009 phba->sli4_hba.fcp_wq[idx] = NULL;
7010 }
7011 }
7012 kfree(phba->sli4_hba.fcp_wq);
7013 phba->sli4_hba.fcp_wq = NULL;
7014 }
7015
962bc51b
JS		 7016 if (phba->pci_bar0_memmap_p) {
7017 iounmap(phba->pci_bar0_memmap_p);
7018 phba->pci_bar0_memmap_p = NULL;
7019 }
7020 if (phba->pci_bar2_memmap_p) {
7021 iounmap(phba->pci_bar2_memmap_p);
7022 phba->pci_bar2_memmap_p = NULL;
7023 }
7024 if (phba->pci_bar4_memmap_p) {
7025 iounmap(phba->pci_bar4_memmap_p);
7026 phba->pci_bar4_memmap_p = NULL;
7027 }
7028
67d12733
JS		 7029 /* Release FCP CQ mapping array */
7030 if (phba->sli4_hba.fcp_cq_map != NULL) {
7031 kfree(phba->sli4_hba.fcp_cq_map);
7032 phba->sli4_hba.fcp_cq_map = NULL;
7033 }
da0436e9
JS		 7034
7035 /* Release mailbox command work queue */
67d12733
JS		 7036 if (phba->sli4_hba.mbx_wq != NULL) {
7037 lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
7038 phba->sli4_hba.mbx_wq = NULL;
7039 }
da0436e9
JS		 7040
7041 /* Release ELS work queue */
67d12733
JS		 7042 if (phba->sli4_hba.els_wq != NULL) {
7043 lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
7044 phba->sli4_hba.els_wq = NULL;
7045 }
da0436e9
JS		 7046
7047 /* Release unsolicited receive queue */
67d12733
JS		 7048 if (phba->sli4_hba.hdr_rq != NULL) {
7049 lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
7050 phba->sli4_hba.hdr_rq = NULL;
7051 }
7052 if (phba->sli4_hba.dat_rq != NULL) {
7053 lpfc_sli4_queue_free(phba->sli4_hba.dat_rq);
7054 phba->sli4_hba.dat_rq = NULL;
7055 }
da0436e9 7056
da0436e9 7057 /* Release ELS complete queue */
67d12733
JS		 7058 if (phba->sli4_hba.els_cq != NULL) {
7059 lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
7060 phba->sli4_hba.els_cq = NULL;
7061 }
da0436e9
JS		 7062
7063 /* Release mailbox command complete queue */
67d12733
JS		 7064 if (phba->sli4_hba.mbx_cq != NULL) {
7065 lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
7066 phba->sli4_hba.mbx_cq = NULL;
7067 }
da0436e9
JS		 7068
7069 return;
7070}
7071
7072/**
7073 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
7074 * @phba: pointer to lpfc hba data structure.
7075 *
7076 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
7077 * operation.
7078 *
7079 * Return codes
af901ca1 7080 * 0 - successful
25985edc 7081 * -ENOMEM - No available memory
d439d286 7082 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7083 **/
7084int
7085lpfc_sli4_queue_setup(struct lpfc_hba *phba)
7086{
2a76a283
JS		 7087 struct lpfc_sli *psli = &phba->sli;
7088 struct lpfc_sli_ring *pring;
da0436e9
JS		 7089 int rc = -ENOMEM;
7090 int fcp_eqidx, fcp_cqidx, fcp_wqidx;
7091 int fcp_cq_index = 0;
962bc51b
JS		 7092 uint32_t shdr_status, shdr_add_status;
7093 union lpfc_sli4_cfg_shdr *shdr;
7094 LPFC_MBOXQ_t *mboxq;
7095 uint32_t length;
7096
7097 /* Check for dual-ULP support */
7098 mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
7099 if (!mboxq) {
7100 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7101 "3249 Unable to allocate memory for "
7102 "QUERY_FW_CFG mailbox command\n");
7103 return -ENOMEM;
7104 }
7105 length = (sizeof(struct lpfc_mbx_query_fw_config) -
7106 sizeof(struct lpfc_sli4_cfg_mhdr));
7107 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
7108 LPFC_MBOX_OPCODE_QUERY_FW_CFG,
7109 length, LPFC_SLI4_MBX_EMBED);
7110
7111 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
7112
7113 shdr = (union lpfc_sli4_cfg_shdr *)
7114 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
7115 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
7116 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
7117 if (shdr_status || shdr_add_status || rc) {
7118 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7119 "3250 QUERY_FW_CFG mailbox failed with status "
7120 "x%x add_status x%x, mbx status x%x\n",
7121 shdr_status, shdr_add_status, rc);
7122 if (rc != MBX_TIMEOUT)
7123 mempool_free(mboxq, phba->mbox_mem_pool);
7124 rc = -ENXIO;
7125 goto out_error;
7126 }
7127
7128 phba->sli4_hba.fw_func_mode =
7129 mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode;
7130 phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode;
7131 phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode;
7132 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7133 "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
7134 "ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode,
7135 phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode);
7136
7137 if (rc != MBX_TIMEOUT)
7138 mempool_free(mboxq, phba->mbox_mem_pool);
da0436e9
JS		 7139
7140 /*
67d12733 7141 * Set up HBA Event Queues (EQs)
da0436e9
JS		 7142 */
7143
67d12733
JS		 7144 /* Set up HBA event queue */
7145 if (phba->cfg_fcp_io_channel && !phba->sli4_hba.hba_eq) {
2e90f4b5
JS		 7146 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7147 "3147 Fast-path EQs not allocated\n");
1b51197d 7148 rc = -ENOMEM;
67d12733 7149 goto out_error;
2e90f4b5 7150 }
67d12733
JS		 7151 for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel; fcp_eqidx++) {
7152 if (!phba->sli4_hba.hba_eq[fcp_eqidx]) {
da0436e9
JS		 7153 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7154 "0522 Fast-path EQ (%d) not "
7155 "allocated\n", fcp_eqidx);
1b51197d 7156 rc = -ENOMEM;
67d12733 7157 goto out_destroy_hba_eq;
da0436e9 7158 }
67d12733 7159 rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[fcp_eqidx],
bf8dae83 7160 (phba->cfg_fcp_imax / phba->cfg_fcp_io_channel));
da0436e9
JS		 7161 if (rc) {
7162 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7163 "0523 Failed setup of fast-path EQ "
7164 "(%d), rc = 0x%x\n", fcp_eqidx, rc);
67d12733 7165 goto out_destroy_hba_eq;
da0436e9
JS		 7166 }
7167 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
67d12733 7168 "2584 HBA EQ setup: "
da0436e9 7169 "queue[%d]-id=%d\n", fcp_eqidx,
67d12733 7170 phba->sli4_hba.hba_eq[fcp_eqidx]->queue_id);
da0436e9
JS		 7171 }
7172
67d12733
JS		 7173 /* Set up fast-path FCP Response Complete Queue */
7174 if (!phba->sli4_hba.fcp_cq) {
7175 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7176 "3148 Fast-path FCP CQ array not "
7177 "allocated\n");
7178 rc = -ENOMEM;
7179 goto out_destroy_hba_eq;
7180 }
7181
7182 for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_io_channel; fcp_cqidx++) {
7183 if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) {
7184 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7185 "0526 Fast-path FCP CQ (%d) not "
7186 "allocated\n", fcp_cqidx);
7187 rc = -ENOMEM;
7188 goto out_destroy_fcp_cq;
7189 }
7190 rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx],
7191 phba->sli4_hba.hba_eq[fcp_cqidx], LPFC_WCQ, LPFC_FCP);
7192 if (rc) {
7193 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7194 "0527 Failed setup of fast-path FCP "
7195 "CQ (%d), rc = 0x%x\n", fcp_cqidx, rc);
7196 goto out_destroy_fcp_cq;
7197 }
7198
7199 /* Setup fcp_cq_map for fast lookup */
7200 phba->sli4_hba.fcp_cq_map[fcp_cqidx] =
7201 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id;
7202
7203 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7204 "2588 FCP CQ setup: cq[%d]-id=%d, "
7205 "parent seq[%d]-id=%d\n",
7206 fcp_cqidx,
7207 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id,
7208 fcp_cqidx,
7209 phba->sli4_hba.hba_eq[fcp_cqidx]->queue_id);
7210 }
7211
7212 /* Set up fast-path FCP Work Queue */
7213 if (!phba->sli4_hba.fcp_wq) {
7214 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7215 "3149 Fast-path FCP WQ array not "
7216 "allocated\n");
7217 rc = -ENOMEM;
7218 goto out_destroy_fcp_cq;
7219 }
7220
7221 for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++) {
7222 if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) {
7223 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7224 "0534 Fast-path FCP WQ (%d) not "
7225 "allocated\n", fcp_wqidx);
7226 rc = -ENOMEM;
7227 goto out_destroy_fcp_wq;
7228 }
7229 rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx],
7230 phba->sli4_hba.fcp_cq[fcp_wqidx],
7231 LPFC_FCP);
7232 if (rc) {
7233 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7234 "0535 Failed setup of fast-path FCP "
7235 "WQ (%d), rc = 0x%x\n", fcp_wqidx, rc);
7236 goto out_destroy_fcp_wq;
7237 }
7238
7239 /* Bind this WQ to the next FCP ring */
7240 pring = &psli->ring[MAX_SLI3_CONFIGURED_RINGS + fcp_wqidx];
7241 pring->sli.sli4.wqp = (void *)phba->sli4_hba.fcp_wq[fcp_wqidx];
7242 phba->sli4_hba.fcp_cq[fcp_wqidx]->pring = pring;
7243
7244 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7245 "2591 FCP WQ setup: wq[%d]-id=%d, "
7246 "parent cq[%d]-id=%d\n",
7247 fcp_wqidx,
7248 phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id,
7249 fcp_cq_index,
7250 phba->sli4_hba.fcp_cq[fcp_wqidx]->queue_id);
7251 }
da0436e9
JS		 7252 /*
7253 * Set up Complete Queues (CQs)
7254 */
7255
7256 /* Set up slow-path MBOX Complete Queue as the first CQ */
7257 if (!phba->sli4_hba.mbx_cq) {
7258 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7259 "0528 Mailbox CQ not allocated\n");
1b51197d 7260 rc = -ENOMEM;
67d12733 7261 goto out_destroy_fcp_wq;
da0436e9 7262 }
67d12733
JS		 7263 rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq,
7264 phba->sli4_hba.hba_eq[0], LPFC_MCQ, LPFC_MBOX);
da0436e9
JS		 7265 if (rc) {
7266 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7267 "0529 Failed setup of slow-path mailbox CQ: "
7268 "rc = 0x%x\n", rc);
67d12733 7269 goto out_destroy_fcp_wq;
da0436e9
JS		 7270 }
7271 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7272 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
7273 phba->sli4_hba.mbx_cq->queue_id,
67d12733 7274 phba->sli4_hba.hba_eq[0]->queue_id);
da0436e9
JS		 7275
7276 /* Set up slow-path ELS Complete Queue */
7277 if (!phba->sli4_hba.els_cq) {
7278 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7279 "0530 ELS CQ not allocated\n");
1b51197d 7280 rc = -ENOMEM;
da0436e9
JS		 7281 goto out_destroy_mbx_cq;
7282 }
67d12733
JS		 7283 rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq,
7284 phba->sli4_hba.hba_eq[0], LPFC_WCQ, LPFC_ELS);
da0436e9
JS		 7285 if (rc) {
7286 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7287 "0531 Failed setup of slow-path ELS CQ: "
7288 "rc = 0x%x\n", rc);
7289 goto out_destroy_mbx_cq;
7290 }
7291 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7292 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
7293 phba->sli4_hba.els_cq->queue_id,
67d12733 7294 phba->sli4_hba.hba_eq[0]->queue_id);
da0436e9
JS		 7295
7296 /*
7297 * Set up all the Work Queues (WQs)
7298 */
7299
7300 /* Set up Mailbox Command Queue */
7301 if (!phba->sli4_hba.mbx_wq) {
7302 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7303 "0538 Slow-path MQ not allocated\n");
1b51197d 7304 rc = -ENOMEM;
67d12733 7305 goto out_destroy_els_cq;
da0436e9
JS		 7306 }
7307 rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq,
7308 phba->sli4_hba.mbx_cq, LPFC_MBOX);
7309 if (rc) {
7310 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7311 "0539 Failed setup of slow-path MQ: "
7312 "rc = 0x%x\n", rc);
67d12733 7313 goto out_destroy_els_cq;
da0436e9
JS		 7314 }
7315 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7316 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
7317 phba->sli4_hba.mbx_wq->queue_id,
7318 phba->sli4_hba.mbx_cq->queue_id);
7319
7320 /* Set up slow-path ELS Work Queue */
7321 if (!phba->sli4_hba.els_wq) {
7322 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7323 "0536 Slow-path ELS WQ not allocated\n");
1b51197d 7324 rc = -ENOMEM;
da0436e9
JS		 7325 goto out_destroy_mbx_wq;
7326 }
7327 rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq,
7328 phba->sli4_hba.els_cq, LPFC_ELS);
7329 if (rc) {
7330 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7331 "0537 Failed setup of slow-path ELS WQ: "
7332 "rc = 0x%x\n", rc);
7333 goto out_destroy_mbx_wq;
7334 }
2a76a283
JS		 7335
7336 /* Bind this WQ to the ELS ring */
7337 pring = &psli->ring[LPFC_ELS_RING];
7338 pring->sli.sli4.wqp = (void *)phba->sli4_hba.els_wq;
7339 phba->sli4_hba.els_cq->pring = pring;
7340
da0436e9
JS		 7341 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7342 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
7343 phba->sli4_hba.els_wq->queue_id,
7344 phba->sli4_hba.els_cq->queue_id);
7345
da0436e9
JS		 7346 /*
7347 * Create Receive Queue (RQ)
7348 */
7349 if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) {
7350 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7351 "0540 Receive Queue not allocated\n");
1b51197d 7352 rc = -ENOMEM;
67d12733 7353 goto out_destroy_els_wq;
da0436e9 7354 }
73d91e50
JS		 7355
7356 lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ);
7357 lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ);
7358
da0436e9 7359 rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
4d9ab994 7360 phba->sli4_hba.els_cq, LPFC_USOL);
da0436e9
JS		 7361 if (rc) {
7362 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7363 "0541 Failed setup of Receive Queue: "
7364 "rc = 0x%x\n", rc);
7365 goto out_destroy_fcp_wq;
7366 }
73d91e50 7367
da0436e9
JS		 7368 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7369 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
7370 "parent cq-id=%d\n",
7371 phba->sli4_hba.hdr_rq->queue_id,
7372 phba->sli4_hba.dat_rq->queue_id,
4d9ab994 7373 phba->sli4_hba.els_cq->queue_id);
da0436e9
JS		 7374 return 0;
7375
2e90f4b5 7376out_destroy_els_wq:
da0436e9
JS		 7377 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
7378out_destroy_mbx_wq:
7379 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
2e90f4b5 7380out_destroy_els_cq:
da0436e9
JS		 7381 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
7382out_destroy_mbx_cq:
7383 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
67d12733
JS		 7384out_destroy_fcp_wq:
7385 for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--)
7386 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]);
7387out_destroy_fcp_cq:
7388 for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--)
7389 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]);
7390out_destroy_hba_eq:
da0436e9 7391 for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--)
67d12733 7392 lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_eqidx]);
da0436e9
JS		 7393out_error:
7394 return rc;
7395}
7396
7397/**
7398 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
7399 * @phba: pointer to lpfc hba data structure.
7400 *
7401 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
7402 * operation.
7403 *
7404 * Return codes
af901ca1 7405 * 0 - successful
25985edc 7406 * -ENOMEM - No available memory
d439d286 7407 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7408 **/
7409void
7410lpfc_sli4_queue_unset(struct lpfc_hba *phba)
7411{
7412 int fcp_qidx;
7413
7414 /* Unset mailbox command work queue */
7415 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
7416 /* Unset ELS work queue */
7417 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
7418 /* Unset unsolicited receive queue */
7419 lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
7420 /* Unset FCP work queue */
67d12733
JS		 7421 if (phba->sli4_hba.fcp_wq) {
7422 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
7423 fcp_qidx++)
7424 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]);
7425 }
da0436e9
JS		 7426 /* Unset mailbox command complete queue */
7427 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
7428 /* Unset ELS complete queue */
7429 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
da0436e9 7430 /* Unset FCP response complete queue */
2e90f4b5 7431 if (phba->sli4_hba.fcp_cq) {
67d12733
JS		 7432 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
7433 fcp_qidx++)
2e90f4b5 7434 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]);
2e90f4b5 7435 }
da0436e9 7436 /* Unset fast-path event queue */
67d12733
JS		 7437 if (phba->sli4_hba.hba_eq) {
7438 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
2e90f4b5 7439 fcp_qidx++)
67d12733 7440 lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_qidx]);
2e90f4b5 7441 }
da0436e9
JS		 7442}
7443
7444/**
7445 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
7446 * @phba: pointer to lpfc hba data structure.
7447 *
7448 * This routine is invoked to allocate and set up a pool of completion queue
7449 * events. The body of the completion queue event is a completion queue entry
7450 * CQE. For now, this pool is used for the interrupt service routine to queue
7451 * the following HBA completion queue events for the worker thread to process:
7452 * - Mailbox asynchronous events
7453 * - Receive queue completion unsolicited events
7454 * Later, this can be used for all the slow-path events.
7455 *
7456 * Return codes
af901ca1 7457 * 0 - successful
25985edc 7458 * -ENOMEM - No available memory
da0436e9
JS		 7459 **/
7460static int
7461lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba)
7462{
7463 struct lpfc_cq_event *cq_event;
7464 int i;
7465
7466 for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) {
7467 cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL);
7468 if (!cq_event)
7469 goto out_pool_create_fail;
7470 list_add_tail(&cq_event->list,
7471 &phba->sli4_hba.sp_cqe_event_pool);
7472 }
7473 return 0;
7474
7475out_pool_create_fail:
7476 lpfc_sli4_cq_event_pool_destroy(phba);
7477 return -ENOMEM;
7478}
7479
7480/**
7481 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
7482 * @phba: pointer to lpfc hba data structure.
7483 *
7484 * This routine is invoked to free the pool of completion queue events at
7485 * driver unload time. Note that, it is the responsibility of the driver
7486 * cleanup routine to free all the outstanding completion-queue events
7487 * allocated from this pool back into the pool before invoking this routine
7488 * to destroy the pool.
7489 **/
7490static void
7491lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba)
7492{
7493 struct lpfc_cq_event *cq_event, *next_cq_event;
7494
7495 list_for_each_entry_safe(cq_event, next_cq_event,
7496 &phba->sli4_hba.sp_cqe_event_pool, list) {
7497 list_del(&cq_event->list);
7498 kfree(cq_event);
7499 }
7500}
7501
7502/**
7503 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7504 * @phba: pointer to lpfc hba data structure.
7505 *
7506 * This routine is the lock free version of the API invoked to allocate a
7507 * completion-queue event from the free pool.
7508 *
7509 * Return: Pointer to the newly allocated completion-queue event if successful
7510 * NULL otherwise.
7511 **/
7512struct lpfc_cq_event *
7513__lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
7514{
7515 struct lpfc_cq_event *cq_event = NULL;
7516
7517 list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event,
7518 struct lpfc_cq_event, list);
7519 return cq_event;
7520}
7521
7522/**
7523 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7524 * @phba: pointer to lpfc hba data structure.
7525 *
7526 * This routine is the lock version of the API invoked to allocate a
7527 * completion-queue event from the free pool.
7528 *
7529 * Return: Pointer to the newly allocated completion-queue event if successful
7530 * NULL otherwise.
7531 **/
7532struct lpfc_cq_event *
7533lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
7534{
7535 struct lpfc_cq_event *cq_event;
7536 unsigned long iflags;
7537
7538 spin_lock_irqsave(&phba->hbalock, iflags);
7539 cq_event = __lpfc_sli4_cq_event_alloc(phba);
7540 spin_unlock_irqrestore(&phba->hbalock, iflags);
7541 return cq_event;
7542}
7543
7544/**
7545 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7546 * @phba: pointer to lpfc hba data structure.
7547 * @cq_event: pointer to the completion queue event to be freed.
7548 *
7549 * This routine is the lock free version of the API invoked to release a
7550 * completion-queue event back into the free pool.
7551 **/
7552void
7553__lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
7554 struct lpfc_cq_event *cq_event)
7555{
7556 list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool);
7557}
7558
7559/**
7560 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7561 * @phba: pointer to lpfc hba data structure.
7562 * @cq_event: pointer to the completion queue event to be freed.
7563 *
7564 * This routine is the lock version of the API invoked to release a
7565 * completion-queue event back into the free pool.
7566 **/
7567void
7568lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
7569 struct lpfc_cq_event *cq_event)
7570{
7571 unsigned long iflags;
7572 spin_lock_irqsave(&phba->hbalock, iflags);
7573 __lpfc_sli4_cq_event_release(phba, cq_event);
7574 spin_unlock_irqrestore(&phba->hbalock, iflags);
7575}
7576
7577/**
7578 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
7579 * @phba: pointer to lpfc hba data structure.
7580 *
7581 * This routine is to free all the pending completion-queue events to the
7582 * back into the free pool for device reset.
7583 **/
7584static void
7585lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba)
7586{
7587 LIST_HEAD(cqelist);
7588 struct lpfc_cq_event *cqe;
7589 unsigned long iflags;
7590
7591 /* Retrieve all the pending WCQEs from pending WCQE lists */
7592 spin_lock_irqsave(&phba->hbalock, iflags);
7593 /* Pending FCP XRI abort events */
7594 list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue,
7595 &cqelist);
7596 /* Pending ELS XRI abort events */
7597 list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue,
7598 &cqelist);
7599 /* Pending asynnc events */
7600 list_splice_init(&phba->sli4_hba.sp_asynce_work_queue,
7601 &cqelist);
7602 spin_unlock_irqrestore(&phba->hbalock, iflags);
7603
7604 while (!list_empty(&cqelist)) {
7605 list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list);
7606 lpfc_sli4_cq_event_release(phba, cqe);
7607 }
7608}
7609
7610/**
7611 * lpfc_pci_function_reset - Reset pci function.
7612 * @phba: pointer to lpfc hba data structure.
7613 *
7614 * This routine is invoked to request a PCI function reset. It will destroys
7615 * all resources assigned to the PCI function which originates this request.
7616 *
7617 * Return codes
af901ca1 7618 * 0 - successful
25985edc 7619 * -ENOMEM - No available memory
d439d286 7620 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7621 **/
7622int
7623lpfc_pci_function_reset(struct lpfc_hba *phba)
7624{
7625 LPFC_MBOXQ_t *mboxq;
2fcee4bf 7626 uint32_t rc = 0, if_type;
da0436e9 7627 uint32_t shdr_status, shdr_add_status;
2fcee4bf 7628 uint32_t rdy_chk, num_resets = 0, reset_again = 0;
da0436e9 7629 union lpfc_sli4_cfg_shdr *shdr;
2fcee4bf 7630 struct lpfc_register reg_data;
2b81f942 7631 uint16_t devid;
da0436e9 7632
2fcee4bf
JS		 7633 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
7634 switch (if_type) {
7635 case LPFC_SLI_INTF_IF_TYPE_0:
7636 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
7637 GFP_KERNEL);
7638 if (!mboxq) {
7639 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7640 "0494 Unable to allocate memory for "
7641 "issuing SLI_FUNCTION_RESET mailbox "
7642 "command\n");
7643 return -ENOMEM;
7644 }
da0436e9 7645
2fcee4bf
JS		 7646 /* Setup PCI function reset mailbox-ioctl command */
7647 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
7648 LPFC_MBOX_OPCODE_FUNCTION_RESET, 0,
7649 LPFC_SLI4_MBX_EMBED);
7650 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
7651 shdr = (union lpfc_sli4_cfg_shdr *)
7652 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
7653 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
7654 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
7655 &shdr->response);
7656 if (rc != MBX_TIMEOUT)
7657 mempool_free(mboxq, phba->mbox_mem_pool);
7658 if (shdr_status || shdr_add_status || rc) {
7659 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7660 "0495 SLI_FUNCTION_RESET mailbox "
7661 "failed with status x%x add_status x%x,"
7662 " mbx status x%x\n",
7663 shdr_status, shdr_add_status, rc);
7664 rc = -ENXIO;
7665 }
7666 break;
7667 case LPFC_SLI_INTF_IF_TYPE_2:
7668 for (num_resets = 0;
7669 num_resets < MAX_IF_TYPE_2_RESETS;
7670 num_resets++) {
7671 reg_data.word0 = 0;
7672 bf_set(lpfc_sliport_ctrl_end, &reg_data,
7673 LPFC_SLIPORT_LITTLE_ENDIAN);
7674 bf_set(lpfc_sliport_ctrl_ip, &reg_data,
7675 LPFC_SLIPORT_INIT_PORT);
7676 writel(reg_data.word0, phba->sli4_hba.u.if_type2.
7677 CTRLregaddr);
8fcb8acd 7678 /* flush */
2b81f942
JS		 7679 pci_read_config_word(phba->pcidev,
7680 PCI_DEVICE_ID, &devid);
2fcee4bf
JS		 7681 /*
7682 * Poll the Port Status Register and wait for RDY for
7683 * up to 10 seconds. If the port doesn't respond, treat
7684 * it as an error. If the port responds with RN, start
7685 * the loop again.
7686 */
7687 for (rdy_chk = 0; rdy_chk < 1000; rdy_chk++) {
73d91e50 7688 msleep(10);
9940b97b
JS		 7689 if (lpfc_readl(phba->sli4_hba.u.if_type2.
7690 STATUSregaddr, &reg_data.word0)) {
7691 rc = -ENODEV;
73d91e50 7692 goto out;
9940b97b 7693 }
6b5151fd 7694 if (bf_get(lpfc_sliport_status_rn, &reg_data))
2fcee4bf 7695 reset_again++;
6b5151fd 7696 if (bf_get(lpfc_sliport_status_rdy, &reg_data))
2fcee4bf 7697 break;
2fcee4bf
JS		 7698 }
7699
7700 /*
7701 * If the port responds to the init request with
7702 * reset needed, delay for a bit and restart the loop.
7703 */
6b5151fd 7704 if (reset_again && (rdy_chk < 1000)) {
2fcee4bf
JS		 7705 msleep(10);
7706 reset_again = 0;
7707 continue;
7708 }
7709
7710 /* Detect any port errors. */
2fcee4bf
JS		 7711 if ((bf_get(lpfc_sliport_status_err, &reg_data)) ||
7712 (rdy_chk >= 1000)) {
7713 phba->work_status[0] = readl(
7714 phba->sli4_hba.u.if_type2.ERR1regaddr);
7715 phba->work_status[1] = readl(
7716 phba->sli4_hba.u.if_type2.ERR2regaddr);
7717 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8fcb8acd 7718 "2890 Port error detected during port "
8a9d2e80
JS		 7719 "reset(%d): wait_tmo:%d ms, "
7720 "port status reg 0x%x, "
2fcee4bf 7721 "error 1=0x%x, error 2=0x%x\n",
8a9d2e80
JS		 7722 num_resets, rdy_chk*10,
7723 reg_data.word0,
2fcee4bf
JS		 7724 phba->work_status[0],
7725 phba->work_status[1]);
7726 rc = -ENODEV;
7727 }
7728
7729 /*
7730 * Terminate the outer loop provided the Port indicated
7731 * ready within 10 seconds.
7732 */
7733 if (rdy_chk < 1000)
7734 break;
7735 }
0558056c
JS		 7736 /* delay driver action following IF_TYPE_2 function reset */
7737 msleep(100);
2fcee4bf
JS		 7738 break;
7739 case LPFC_SLI_INTF_IF_TYPE_1:
7740 default:
7741 break;
da0436e9 7742 }
2fcee4bf 7743
73d91e50 7744out:
2fcee4bf
JS		 7745 /* Catch the not-ready port failure after a port reset. */
7746 if (num_resets >= MAX_IF_TYPE_2_RESETS)
7747 rc = -ENODEV;
7748
da0436e9
JS		 7749 return rc;
7750}
7751
da0436e9
JS		 7752/**
7753 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
7754 * @phba: pointer to lpfc hba data structure.
7755 *
7756 * This routine is invoked to set up the PCI device memory space for device
7757 * with SLI-4 interface spec.
7758 *
7759 * Return codes
af901ca1 7760 * 0 - successful
da0436e9
JS		 7761 * other values - error
7762 **/
7763static int
7764lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
7765{
7766 struct pci_dev *pdev;
7767 unsigned long bar0map_len, bar1map_len, bar2map_len;
7768 int error = -ENODEV;
2fcee4bf 7769 uint32_t if_type;
da0436e9
JS		 7770
7771 /* Obtain PCI device reference */
7772 if (!phba->pcidev)
7773 return error;
7774 else
7775 pdev = phba->pcidev;
7776
7777 /* Set the device DMA mask size */
8e68597d
MR		 7778 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
7779 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
7780 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
7781 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
da0436e9 7782 return error;
8e68597d
MR		 7783 }
7784 }
da0436e9 7785
2fcee4bf
JS		 7786 /*
7787 * The BARs and register set definitions and offset locations are
7788 * dependent on the if_type.
7789 */
7790 if (pci_read_config_dword(pdev, LPFC_SLI_INTF,
7791 &phba->sli4_hba.sli_intf.word0)) {
7792 return error;
7793 }
7794
7795 /* There is no SLI3 failback for SLI4 devices. */
7796 if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) !=
7797 LPFC_SLI_INTF_VALID) {
7798 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7799 "2894 SLI_INTF reg contents invalid "
7800 "sli_intf reg 0x%x\n",
7801 phba->sli4_hba.sli_intf.word0);
7802 return error;
7803 }
7804
7805 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
7806 /*
7807 * Get the bus address of SLI4 device Bar regions and the
7808 * number of bytes required by each mapping. The mapping of the
7809 * particular PCI BARs regions is dependent on the type of
7810 * SLI4 device.
da0436e9 7811 */
1dfb5a47
JS		 7812 if (pci_resource_start(pdev, 0)) {
7813 phba->pci_bar0_map = pci_resource_start(pdev, 0);
7814 bar0map_len = pci_resource_len(pdev, 0);
2fcee4bf
JS		 7815
7816 /*
7817 * Map SLI4 PCI Config Space Register base to a kernel virtual
7818 * addr
7819 */
7820 phba->sli4_hba.conf_regs_memmap_p =
7821 ioremap(phba->pci_bar0_map, bar0map_len);
7822 if (!phba->sli4_hba.conf_regs_memmap_p) {
7823 dev_printk(KERN_ERR, &pdev->dev,
7824 "ioremap failed for SLI4 PCI config "
7825 "registers.\n");
7826 goto out;
7827 }
7828 /* Set up BAR0 PCI config space register memory map */
7829 lpfc_sli4_bar0_register_memmap(phba, if_type);
1dfb5a47
JS		 7830 } else {
7831 phba->pci_bar0_map = pci_resource_start(pdev, 1);
7832 bar0map_len = pci_resource_len(pdev, 1);
2fcee4bf
JS		 7833 if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
7834 dev_printk(KERN_ERR, &pdev->dev,
7835 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
7836 goto out;
7837 }
7838 phba->sli4_hba.conf_regs_memmap_p =
da0436e9 7839 ioremap(phba->pci_bar0_map, bar0map_len);
2fcee4bf
JS		 7840 if (!phba->sli4_hba.conf_regs_memmap_p) {
7841 dev_printk(KERN_ERR, &pdev->dev,
7842 "ioremap failed for SLI4 PCI config "
7843 "registers.\n");
7844 goto out;
7845 }
7846 lpfc_sli4_bar0_register_memmap(phba, if_type);
da0436e9
JS		 7847 }
7848
c31098ce
JS		 7849 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
7850 (pci_resource_start(pdev, 2))) {
2fcee4bf
JS		 7851 /*
7852 * Map SLI4 if type 0 HBA Control Register base to a kernel
7853 * virtual address and setup the registers.
7854 */
7855 phba->pci_bar1_map = pci_resource_start(pdev, 2);
7856 bar1map_len = pci_resource_len(pdev, 2);
7857 phba->sli4_hba.ctrl_regs_memmap_p =
da0436e9 7858 ioremap(phba->pci_bar1_map, bar1map_len);
2fcee4bf
JS		 7859 if (!phba->sli4_hba.ctrl_regs_memmap_p) {
7860 dev_printk(KERN_ERR, &pdev->dev,
da0436e9 7861 "ioremap failed for SLI4 HBA control registers.\n");
2fcee4bf
JS		 7862 goto out_iounmap_conf;
7863 }
7864 lpfc_sli4_bar1_register_memmap(phba);
da0436e9
JS		 7865 }
7866
c31098ce
JS		 7867 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
7868 (pci_resource_start(pdev, 4))) {
2fcee4bf
JS		 7869 /*
7870 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
7871 * virtual address and setup the registers.
7872 */
7873 phba->pci_bar2_map = pci_resource_start(pdev, 4);
7874 bar2map_len = pci_resource_len(pdev, 4);
7875 phba->sli4_hba.drbl_regs_memmap_p =
da0436e9 7876 ioremap(phba->pci_bar2_map, bar2map_len);
2fcee4bf
JS		 7877 if (!phba->sli4_hba.drbl_regs_memmap_p) {
7878 dev_printk(KERN_ERR, &pdev->dev,
da0436e9 7879 "ioremap failed for SLI4 HBA doorbell registers.\n");
2fcee4bf
JS		 7880 goto out_iounmap_ctrl;
7881 }
7882 error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0);
7883 if (error)
7884 goto out_iounmap_all;
da0436e9
JS		 7885 }
7886
da0436e9
JS		 7887 return 0;
7888
7889out_iounmap_all:
7890 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
7891out_iounmap_ctrl:
7892 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
7893out_iounmap_conf:
7894 iounmap(phba->sli4_hba.conf_regs_memmap_p);
7895out:
7896 return error;
7897}
7898
7899/**
7900 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
7901 * @phba: pointer to lpfc hba data structure.
7902 *
7903 * This routine is invoked to unset the PCI device memory space for device
7904 * with SLI-4 interface spec.
7905 **/
7906static void
7907lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba)
7908{
2e90f4b5
JS		 7909 uint32_t if_type;
7910 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
da0436e9 7911
2e90f4b5
JS		 7912 switch (if_type) {
7913 case LPFC_SLI_INTF_IF_TYPE_0:
7914 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
7915 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
7916 iounmap(phba->sli4_hba.conf_regs_memmap_p);
7917 break;
7918 case LPFC_SLI_INTF_IF_TYPE_2:
7919 iounmap(phba->sli4_hba.conf_regs_memmap_p);
7920 break;
7921 case LPFC_SLI_INTF_IF_TYPE_1:
7922 default:
7923 dev_printk(KERN_ERR, &phba->pcidev->dev,
7924 "FATAL - unsupported SLI4 interface type - %d\n",
7925 if_type);
7926 break;
7927 }
da0436e9
JS		 7928}
7929
7930/**
7931 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
7932 * @phba: pointer to lpfc hba data structure.
7933 *
7934 * This routine is invoked to enable the MSI-X interrupt vectors to device
7935 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
7936 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
7937 * invoked, enables either all or nothing, depending on the current
7938 * availability of PCI vector resources. The device driver is responsible
7939 * for calling the individual request_irq() to register each MSI-X vector
7940 * with a interrupt handler, which is done in this function. Note that
7941 * later when device is unloading, the driver should always call free_irq()
7942 * on all MSI-X vectors it has done request_irq() on before calling
7943 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
7944 * will be left with MSI-X enabled and leaks its vectors.
7945 *
7946 * Return codes
af901ca1 7947 * 0 - successful
da0436e9
JS		 7948 * other values - error
7949 **/
7950static int
7951lpfc_sli_enable_msix(struct lpfc_hba *phba)
7952{
7953 int rc, i;
7954 LPFC_MBOXQ_t *pmb;
7955
7956 /* Set up MSI-X multi-message vectors */
7957 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
7958 phba->msix_entries[i].entry = i;
7959
7960 /* Configure MSI-X capability structure */
7961 rc = pci_enable_msix(phba->pcidev, phba->msix_entries,
7962 ARRAY_SIZE(phba->msix_entries));
7963 if (rc) {
7964 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7965 "0420 PCI enable MSI-X failed (%d)\n", rc);
7966 goto msi_fail_out;
7967 }
7968 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
7969 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7970 "0477 MSI-X entry[%d]: vector=x%x "
7971 "message=%d\n", i,
7972 phba->msix_entries[i].vector,
7973 phba->msix_entries[i].entry);
7974 /*
7975 * Assign MSI-X vectors to interrupt handlers
7976 */
7977
7978 /* vector-0 is associated to slow-path handler */
7979 rc = request_irq(phba->msix_entries[0].vector,
7980 &lpfc_sli_sp_intr_handler, IRQF_SHARED,
7981 LPFC_SP_DRIVER_HANDLER_NAME, phba);
7982 if (rc) {
7983 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
7984 "0421 MSI-X slow-path request_irq failed "
7985 "(%d)\n", rc);
7986 goto msi_fail_out;
7987 }
7988
7989 /* vector-1 is associated to fast-path handler */
7990 rc = request_irq(phba->msix_entries[1].vector,
7991 &lpfc_sli_fp_intr_handler, IRQF_SHARED,
7992 LPFC_FP_DRIVER_HANDLER_NAME, phba);
7993
7994 if (rc) {
7995 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
7996 "0429 MSI-X fast-path request_irq failed "
7997 "(%d)\n", rc);
7998 goto irq_fail_out;
7999 }
8000
8001 /*
8002 * Configure HBA MSI-X attention conditions to messages
8003 */
8004 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
8005
8006 if (!pmb) {
8007 rc = -ENOMEM;
8008 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8009 "0474 Unable to allocate memory for issuing "
8010 "MBOX_CONFIG_MSI command\n");
8011 goto mem_fail_out;
8012 }
8013 rc = lpfc_config_msi(phba, pmb);
8014 if (rc)
8015 goto mbx_fail_out;
8016 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
8017 if (rc != MBX_SUCCESS) {
8018 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
8019 "0351 Config MSI mailbox command failed, "
8020 "mbxCmd x%x, mbxStatus x%x\n",
8021 pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus);
8022 goto mbx_fail_out;
8023 }
8024
8025 /* Free memory allocated for mailbox command */
8026 mempool_free(pmb, phba->mbox_mem_pool);
8027 return rc;
8028
8029mbx_fail_out:
8030 /* Free memory allocated for mailbox command */
8031 mempool_free(pmb, phba->mbox_mem_pool);
8032
8033mem_fail_out:
8034 /* free the irq already requested */
8035 free_irq(phba->msix_entries[1].vector, phba);
8036
8037irq_fail_out:
8038 /* free the irq already requested */
8039 free_irq(phba->msix_entries[0].vector, phba);
8040
8041msi_fail_out:
8042 /* Unconfigure MSI-X capability structure */
8043 pci_disable_msix(phba->pcidev);
8044 return rc;
8045}
8046
8047/**
8048 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
8049 * @phba: pointer to lpfc hba data structure.
8050 *
8051 * This routine is invoked to release the MSI-X vectors and then disable the
8052 * MSI-X interrupt mode to device with SLI-3 interface spec.
8053 **/
8054static void
8055lpfc_sli_disable_msix(struct lpfc_hba *phba)
8056{
8057 int i;
8058
8059 /* Free up MSI-X multi-message vectors */
8060 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
8061 free_irq(phba->msix_entries[i].vector, phba);
8062 /* Disable MSI-X */
8063 pci_disable_msix(phba->pcidev);
8064
8065 return;
8066}
8067
8068/**
8069 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
8070 * @phba: pointer to lpfc hba data structure.
8071 *
8072 * This routine is invoked to enable the MSI interrupt mode to device with
8073 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
8074 * enable the MSI vector. The device driver is responsible for calling the
8075 * request_irq() to register MSI vector with a interrupt the handler, which
8076 * is done in this function.
8077 *
8078 * Return codes
af901ca1 8079 * 0 - successful
da0436e9
JS		 8080 * other values - error
8081 */
8082static int
8083lpfc_sli_enable_msi(struct lpfc_hba *phba)
8084{
8085 int rc;
8086
8087 rc = pci_enable_msi(phba->pcidev);
8088 if (!rc)
8089 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8090 "0462 PCI enable MSI mode success.\n");
8091 else {
8092 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8093 "0471 PCI enable MSI mode failed (%d)\n", rc);
8094 return rc;
8095 }
8096
8097 rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
8098 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8099 if (rc) {
8100 pci_disable_msi(phba->pcidev);
8101 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8102 "0478 MSI request_irq failed (%d)\n", rc);
8103 }
8104 return rc;
8105}
8106
8107/**
8108 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
8109 * @phba: pointer to lpfc hba data structure.
8110 *
8111 * This routine is invoked to disable the MSI interrupt mode to device with
8112 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
8113 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8114 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8115 * its vector.
8116 */
8117static void
8118lpfc_sli_disable_msi(struct lpfc_hba *phba)
8119{
8120 free_irq(phba->pcidev->irq, phba);
8121 pci_disable_msi(phba->pcidev);
8122 return;
8123}
8124
8125/**
8126 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
8127 * @phba: pointer to lpfc hba data structure.
8128 *
8129 * This routine is invoked to enable device interrupt and associate driver's
8130 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
8131 * spec. Depends on the interrupt mode configured to the driver, the driver
8132 * will try to fallback from the configured interrupt mode to an interrupt
8133 * mode which is supported by the platform, kernel, and device in the order
8134 * of:
8135 * MSI-X -> MSI -> IRQ.
8136 *
8137 * Return codes
af901ca1 8138 * 0 - successful
da0436e9
JS		 8139 * other values - error
8140 **/
8141static uint32_t
8142lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
8143{
8144 uint32_t intr_mode = LPFC_INTR_ERROR;
8145 int retval;
8146
8147 if (cfg_mode == 2) {
8148 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
8149 retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3);
8150 if (!retval) {
8151 /* Now, try to enable MSI-X interrupt mode */
8152 retval = lpfc_sli_enable_msix(phba);
8153 if (!retval) {
8154 /* Indicate initialization to MSI-X mode */
8155 phba->intr_type = MSIX;
8156 intr_mode = 2;
8157 }
8158 }
8159 }
8160
8161 /* Fallback to MSI if MSI-X initialization failed */
8162 if (cfg_mode >= 1 && phba->intr_type == NONE) {
8163 retval = lpfc_sli_enable_msi(phba);
8164 if (!retval) {
8165 /* Indicate initialization to MSI mode */
8166 phba->intr_type = MSI;
8167 intr_mode = 1;
8168 }
8169 }
8170
8171 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8172 if (phba->intr_type == NONE) {
8173 retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
8174 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8175 if (!retval) {
8176 /* Indicate initialization to INTx mode */
8177 phba->intr_type = INTx;
8178 intr_mode = 0;
8179 }
8180 }
8181 return intr_mode;
8182}
8183
8184/**
8185 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
8186 * @phba: pointer to lpfc hba data structure.
8187 *
8188 * This routine is invoked to disable device interrupt and disassociate the
8189 * driver's interrupt handler(s) from interrupt vector(s) to device with
8190 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
8191 * release the interrupt vector(s) for the message signaled interrupt.
8192 **/
8193static void
8194lpfc_sli_disable_intr(struct lpfc_hba *phba)
8195{
8196 /* Disable the currently initialized interrupt mode */
8197 if (phba->intr_type == MSIX)
8198 lpfc_sli_disable_msix(phba);
8199 else if (phba->intr_type == MSI)
8200 lpfc_sli_disable_msi(phba);
8201 else if (phba->intr_type == INTx)
8202 free_irq(phba->pcidev->irq, phba);
8203
8204 /* Reset interrupt management states */
8205 phba->intr_type = NONE;
8206 phba->sli.slistat.sli_intr = 0;
8207
8208 return;
8209}
8210
8211/**
8212 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
8213 * @phba: pointer to lpfc hba data structure.
8214 *
8215 * This routine is invoked to enable the MSI-X interrupt vectors to device
8216 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
8217 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
8218 * enables either all or nothing, depending on the current availability of
8219 * PCI vector resources. The device driver is responsible for calling the
8220 * individual request_irq() to register each MSI-X vector with a interrupt
8221 * handler, which is done in this function. Note that later when device is
8222 * unloading, the driver should always call free_irq() on all MSI-X vectors
8223 * it has done request_irq() on before calling pci_disable_msix(). Failure
8224 * to do so results in a BUG_ON() and a device will be left with MSI-X
8225 * enabled and leaks its vectors.
8226 *
8227 * Return codes
af901ca1 8228 * 0 - successful
da0436e9
JS		 8229 * other values - error
8230 **/
8231static int
8232lpfc_sli4_enable_msix(struct lpfc_hba *phba)
8233{
75baf696 8234 int vectors, rc, index;
da0436e9
JS		 8235
8236 /* Set up MSI-X multi-message vectors */
82c3e9ba 8237 for (index = 0; index < phba->cfg_fcp_io_channel; index++)
da0436e9
JS		 8238 phba->sli4_hba.msix_entries[index].entry = index;
8239
8240 /* Configure MSI-X capability structure */
82c3e9ba 8241 vectors = phba->cfg_fcp_io_channel;
75baf696 8242enable_msix_vectors:
da0436e9 8243 rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries,
75baf696
JS		 8244 vectors);
8245 if (rc > 1) {
8246 vectors = rc;
8247 goto enable_msix_vectors;
8248 } else if (rc) {
da0436e9
JS		 8249 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8250 "0484 PCI enable MSI-X failed (%d)\n", rc);
8251 goto msi_fail_out;
8252 }
75baf696 8253
da0436e9 8254 /* Log MSI-X vector assignment */
75baf696 8255 for (index = 0; index < vectors; index++)
da0436e9
JS		 8256 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8257 "0489 MSI-X entry[%d]: vector=x%x "
8258 "message=%d\n", index,
8259 phba->sli4_hba.msix_entries[index].vector,
8260 phba->sli4_hba.msix_entries[index].entry);
67d12733 8261
da0436e9
JS		 8262 /*
8263 * Assign MSI-X vectors to interrupt handlers
8264 */
67d12733 8265 for (index = 0; index < vectors; index++) {
4305f183
JS		 8266 memset(&phba->sli4_hba.handler_name[index], 0, 16);
8267 sprintf((char *)&phba->sli4_hba.handler_name[index],
8268 LPFC_DRIVER_HANDLER_NAME"%d", index);
da0436e9 8269
67d12733
JS		 8270 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8271 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
ba20c853 8272 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].fcp_eq_in_use, 1);
da0436e9 8273 rc = request_irq(phba->sli4_hba.msix_entries[index].vector,
67d12733 8274 &lpfc_sli4_hba_intr_handler, IRQF_SHARED,
4305f183 8275 (char *)&phba->sli4_hba.handler_name[index],
67d12733 8276 &phba->sli4_hba.fcp_eq_hdl[index]);
da0436e9
JS		 8277 if (rc) {
8278 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8279 "0486 MSI-X fast-path (%d) "
8280 "request_irq failed (%d)\n", index, rc);
8281 goto cfg_fail_out;
8282 }
8283 }
8284
82c3e9ba
JS		 8285 if (vectors != phba->cfg_fcp_io_channel) {
8286 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8287 "3238 Reducing IO channels to match number of "
8288 "MSI-X vectors, requested %d got %d\n",
8289 phba->cfg_fcp_io_channel, vectors);
8290 phba->cfg_fcp_io_channel = vectors;
8291 }
da0436e9
JS		 8292 return rc;
8293
8294cfg_fail_out:
8295 /* free the irq already requested */
67d12733
JS		 8296 for (--index; index >= 0; index--)
8297 free_irq(phba->sli4_hba.msix_entries[index].vector,
8298 &phba->sli4_hba.fcp_eq_hdl[index]);
da0436e9
JS		 8299
8300msi_fail_out:
8301 /* Unconfigure MSI-X capability structure */
8302 pci_disable_msix(phba->pcidev);
8303 return rc;
8304}
8305
8306/**
8307 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
8308 * @phba: pointer to lpfc hba data structure.
8309 *
8310 * This routine is invoked to release the MSI-X vectors and then disable the
8311 * MSI-X interrupt mode to device with SLI-4 interface spec.
8312 **/
8313static void
8314lpfc_sli4_disable_msix(struct lpfc_hba *phba)
8315{
8316 int index;
8317
8318 /* Free up MSI-X multi-message vectors */
82c3e9ba 8319 for (index = 0; index < phba->cfg_fcp_io_channel; index++)
da0436e9 8320 free_irq(phba->sli4_hba.msix_entries[index].vector,
67d12733 8321 &phba->sli4_hba.fcp_eq_hdl[index]);
75baf696 8322
da0436e9
JS		 8323 /* Disable MSI-X */
8324 pci_disable_msix(phba->pcidev);
8325
8326 return;
8327}
8328
8329/**
8330 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
8331 * @phba: pointer to lpfc hba data structure.
8332 *
8333 * This routine is invoked to enable the MSI interrupt mode to device with
8334 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
8335 * to enable the MSI vector. The device driver is responsible for calling
8336 * the request_irq() to register MSI vector with a interrupt the handler,
8337 * which is done in this function.
8338 *
8339 * Return codes
af901ca1 8340 * 0 - successful
da0436e9
JS		 8341 * other values - error
8342 **/
8343static int
8344lpfc_sli4_enable_msi(struct lpfc_hba *phba)
8345{
8346 int rc, index;
8347
8348 rc = pci_enable_msi(phba->pcidev);
8349 if (!rc)
8350 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8351 "0487 PCI enable MSI mode success.\n");
8352 else {
8353 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8354 "0488 PCI enable MSI mode failed (%d)\n", rc);
8355 return rc;
8356 }
8357
8358 rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
8359 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8360 if (rc) {
8361 pci_disable_msi(phba->pcidev);
8362 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8363 "0490 MSI request_irq failed (%d)\n", rc);
75baf696 8364 return rc;
da0436e9
JS		 8365 }
8366
67d12733 8367 for (index = 0; index < phba->cfg_fcp_io_channel; index++) {
da0436e9
JS		 8368 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8369 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
8370 }
8371
75baf696 8372 return 0;
da0436e9
JS		 8373}
8374
8375/**
8376 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
8377 * @phba: pointer to lpfc hba data structure.
8378 *
8379 * This routine is invoked to disable the MSI interrupt mode to device with
8380 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
8381 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8382 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8383 * its vector.
8384 **/
8385static void
8386lpfc_sli4_disable_msi(struct lpfc_hba *phba)
8387{
8388 free_irq(phba->pcidev->irq, phba);
8389 pci_disable_msi(phba->pcidev);
8390 return;
8391}
8392
8393/**
8394 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
8395 * @phba: pointer to lpfc hba data structure.
8396 *
8397 * This routine is invoked to enable device interrupt and associate driver's
8398 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
8399 * interface spec. Depends on the interrupt mode configured to the driver,
8400 * the driver will try to fallback from the configured interrupt mode to an
8401 * interrupt mode which is supported by the platform, kernel, and device in
8402 * the order of:
8403 * MSI-X -> MSI -> IRQ.
8404 *
8405 * Return codes
af901ca1 8406 * 0 - successful
da0436e9
JS		 8407 * other values - error
8408 **/
8409static uint32_t
8410lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
8411{
8412 uint32_t intr_mode = LPFC_INTR_ERROR;
8413 int retval, index;
8414
8415 if (cfg_mode == 2) {
8416 /* Preparation before conf_msi mbox cmd */
8417 retval = 0;
8418 if (!retval) {
8419 /* Now, try to enable MSI-X interrupt mode */
8420 retval = lpfc_sli4_enable_msix(phba);
8421 if (!retval) {
8422 /* Indicate initialization to MSI-X mode */
8423 phba->intr_type = MSIX;
8424 intr_mode = 2;
8425 }
8426 }
8427 }
8428
8429 /* Fallback to MSI if MSI-X initialization failed */
8430 if (cfg_mode >= 1 && phba->intr_type == NONE) {
8431 retval = lpfc_sli4_enable_msi(phba);
8432 if (!retval) {
8433 /* Indicate initialization to MSI mode */
8434 phba->intr_type = MSI;
8435 intr_mode = 1;
8436 }
8437 }
8438
8439 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8440 if (phba->intr_type == NONE) {
8441 retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
8442 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8443 if (!retval) {
8444 /* Indicate initialization to INTx mode */
8445 phba->intr_type = INTx;
8446 intr_mode = 0;
67d12733 8447 for (index = 0; index < phba->cfg_fcp_io_channel;
da0436e9
JS		 8448 index++) {
8449 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8450 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
ba20c853
JS		 8451 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].
8452 fcp_eq_in_use, 1);
da0436e9
JS		 8453 }
8454 }
8455 }
8456 return intr_mode;
8457}
8458
8459/**
8460 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
8461 * @phba: pointer to lpfc hba data structure.
8462 *
8463 * This routine is invoked to disable device interrupt and disassociate
8464 * the driver's interrupt handler(s) from interrupt vector(s) to device
8465 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
8466 * will release the interrupt vector(s) for the message signaled interrupt.
8467 **/
8468static void
8469lpfc_sli4_disable_intr(struct lpfc_hba *phba)
8470{
8471 /* Disable the currently initialized interrupt mode */
8472 if (phba->intr_type == MSIX)
8473 lpfc_sli4_disable_msix(phba);
8474 else if (phba->intr_type == MSI)
8475 lpfc_sli4_disable_msi(phba);
8476 else if (phba->intr_type == INTx)
8477 free_irq(phba->pcidev->irq, phba);
8478
8479 /* Reset interrupt management states */
8480 phba->intr_type = NONE;
8481 phba->sli.slistat.sli_intr = 0;
8482
8483 return;
8484}
8485
8486/**
8487 * lpfc_unset_hba - Unset SLI3 hba device initialization
8488 * @phba: pointer to lpfc hba data structure.
8489 *
8490 * This routine is invoked to unset the HBA device initialization steps to
8491 * a device with SLI-3 interface spec.
8492 **/
8493static void
8494lpfc_unset_hba(struct lpfc_hba *phba)
8495{
8496 struct lpfc_vport *vport = phba->pport;
8497 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
8498
8499 spin_lock_irq(shost->host_lock);
8500 vport->load_flag |= FC_UNLOADING;
8501 spin_unlock_irq(shost->host_lock);
8502
72859909
JS		 8503 kfree(phba->vpi_bmask);
8504 kfree(phba->vpi_ids);
8505
da0436e9
JS		 8506 lpfc_stop_hba_timers(phba);
8507
8508 phba->pport->work_port_events = 0;
8509
8510 lpfc_sli_hba_down(phba);
8511
8512 lpfc_sli_brdrestart(phba);
8513
8514 lpfc_sli_disable_intr(phba);
8515
8516 return;
8517}
8518
5af5eee7
JS		 8519/**
8520 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
8521 * @phba: Pointer to HBA context object.
8522 *
8523 * This function is called in the SLI4 code path to wait for completion
8524 * of device's XRIs exchange busy. It will check the XRI exchange busy
8525 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
8526 * that, it will check the XRI exchange busy on outstanding FCP and ELS
8527 * I/Os every 30 seconds, log error message, and wait forever. Only when
8528 * all XRI exchange busy complete, the driver unload shall proceed with
8529 * invoking the function reset ioctl mailbox command to the CNA and the
8530 * the rest of the driver unload resource release.
8531 **/
8532static void
8533lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba)
8534{
8535 int wait_time = 0;
8536 int fcp_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
8537 int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
8538
8539 while (!fcp_xri_cmpl || !els_xri_cmpl) {
8540 if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) {
8541 if (!fcp_xri_cmpl)
8542 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8543 "2877 FCP XRI exchange busy "
8544 "wait time: %d seconds.\n",
8545 wait_time/1000);
8546 if (!els_xri_cmpl)
8547 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8548 "2878 ELS XRI exchange busy "
8549 "wait time: %d seconds.\n",
8550 wait_time/1000);
8551 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2);
8552 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2;
8553 } else {
8554 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1);
8555 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1;
8556 }
8557 fcp_xri_cmpl =
8558 list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
8559 els_xri_cmpl =
8560 list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
8561 }
8562}
8563
da0436e9
JS		 8564/**
8565 * lpfc_sli4_hba_unset - Unset the fcoe hba
8566 * @phba: Pointer to HBA context object.
8567 *
8568 * This function is called in the SLI4 code path to reset the HBA's FCoE
8569 * function. The caller is not required to hold any lock. This routine
8570 * issues PCI function reset mailbox command to reset the FCoE function.
8571 * At the end of the function, it calls lpfc_hba_down_post function to
8572 * free any pending commands.
8573 **/
8574static void
8575lpfc_sli4_hba_unset(struct lpfc_hba *phba)
8576{
8577 int wait_cnt = 0;
8578 LPFC_MBOXQ_t *mboxq;
912e3acd 8579 struct pci_dev *pdev = phba->pcidev;
da0436e9
JS		 8580
8581 lpfc_stop_hba_timers(phba);
8582 phba->sli4_hba.intr_enable = 0;
8583
8584 /*
8585 * Gracefully wait out the potential current outstanding asynchronous
8586 * mailbox command.
8587 */
8588
8589 /* First, block any pending async mailbox command from posted */
8590 spin_lock_irq(&phba->hbalock);
8591 phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
8592 spin_unlock_irq(&phba->hbalock);
8593 /* Now, trying to wait it out if we can */
8594 while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
8595 msleep(10);
8596 if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT)
8597 break;
8598 }
8599 /* Forcefully release the outstanding mailbox command if timed out */
8600 if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
8601 spin_lock_irq(&phba->hbalock);
8602 mboxq = phba->sli.mbox_active;
8603 mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED;
8604 __lpfc_mbox_cmpl_put(phba, mboxq);
8605 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
8606 phba->sli.mbox_active = NULL;
8607 spin_unlock_irq(&phba->hbalock);
8608 }
8609
5af5eee7
JS		 8610 /* Abort all iocbs associated with the hba */
8611 lpfc_sli_hba_iocb_abort(phba);
8612
8613 /* Wait for completion of device XRI exchange busy */
8614 lpfc_sli4_xri_exchange_busy_wait(phba);
8615
da0436e9
JS		 8616 /* Disable PCI subsystem interrupt */
8617 lpfc_sli4_disable_intr(phba);
8618
912e3acd
JS		 8619 /* Disable SR-IOV if enabled */
8620 if (phba->cfg_sriov_nr_virtfn)
8621 pci_disable_sriov(pdev);
8622
da0436e9
JS		 8623 /* Stop kthread signal shall trigger work_done one more time */
8624 kthread_stop(phba->worker_thread);
8625
3677a3a7
JS		 8626 /* Reset SLI4 HBA FCoE function */
8627 lpfc_pci_function_reset(phba);
5350d872 8628 lpfc_sli4_queue_destroy(phba);
3677a3a7 8629
da0436e9
JS		 8630 /* Stop the SLI4 device port */
8631 phba->pport->work_port_events = 0;
8632}
8633
28baac74
JS		 8634 /**
8635 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
8636 * @phba: Pointer to HBA context object.
8637 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8638 *
8639 * This function is called in the SLI4 code path to read the port's
8640 * sli4 capabilities.
8641 *
8642 * This function may be be called from any context that can block-wait
8643 * for the completion. The expectation is that this routine is called
8644 * typically from probe_one or from the online routine.
8645 **/
8646int
8647lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
8648{
8649 int rc;
8650 struct lpfc_mqe *mqe;
8651 struct lpfc_pc_sli4_params *sli4_params;
8652 uint32_t mbox_tmo;
8653
8654 rc = 0;
8655 mqe = &mboxq->u.mqe;
8656
8657 /* Read the port's SLI4 Parameters port capabilities */
fedd3b7b 8658 lpfc_pc_sli4_params(mboxq);
28baac74
JS		 8659 if (!phba->sli4_hba.intr_enable)
8660 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
8661 else {
a183a15f 8662 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
28baac74
JS		 8663 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
8664 }
8665
8666 if (unlikely(rc))
8667 return 1;
8668
8669 sli4_params = &phba->sli4_hba.pc_sli4_params;
8670 sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params);
8671 sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params);
8672 sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params);
8673 sli4_params->featurelevel_1 = bf_get(featurelevel_1,
8674 &mqe->un.sli4_params);
8675 sli4_params->featurelevel_2 = bf_get(featurelevel_2,
8676 &mqe->un.sli4_params);
8677 sli4_params->proto_types = mqe->un.sli4_params.word3;
8678 sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len;
8679 sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params);
8680 sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params);
8681 sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params);
8682 sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params);
8683 sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params);
8684 sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params);
8685 sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params);
8686 sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params);
8687 sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params);
8688 sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params);
8689 sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params);
8690 sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params);
8691 sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params);
8692 sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params);
8693 sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params);
8694 sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params);
8695 sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params);
8696 sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params);
8697 sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params);
0558056c
JS		 8698
8699 /* Make sure that sge_supp_len can be handled by the driver */
8700 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
8701 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
8702
28baac74
JS		 8703 return rc;
8704}
8705
fedd3b7b
JS		 8706/**
8707 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
8708 * @phba: Pointer to HBA context object.
8709 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8710 *
8711 * This function is called in the SLI4 code path to read the port's
8712 * sli4 capabilities.
8713 *
8714 * This function may be be called from any context that can block-wait
8715 * for the completion. The expectation is that this routine is called
8716 * typically from probe_one or from the online routine.
8717 **/
8718int
8719lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
8720{
8721 int rc;
8722 struct lpfc_mqe *mqe = &mboxq->u.mqe;
8723 struct lpfc_pc_sli4_params *sli4_params;
a183a15f 8724 uint32_t mbox_tmo;
fedd3b7b
JS		 8725 int length;
8726 struct lpfc_sli4_parameters *mbx_sli4_parameters;
8727
6d368e53
JS		 8728 /*
8729 * By default, the driver assumes the SLI4 port requires RPI
8730 * header postings. The SLI4_PARAM response will correct this
8731 * assumption.
8732 */
8733 phba->sli4_hba.rpi_hdrs_in_use = 1;
8734
fedd3b7b
JS		 8735 /* Read the port's SLI4 Config Parameters */
8736 length = (sizeof(struct lpfc_mbx_get_sli4_parameters) -
8737 sizeof(struct lpfc_sli4_cfg_mhdr));
8738 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
8739 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS,
8740 length, LPFC_SLI4_MBX_EMBED);
8741 if (!phba->sli4_hba.intr_enable)
8742 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
a183a15f
JS		 8743 else {
8744 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
8745 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
8746 }
fedd3b7b
JS		 8747 if (unlikely(rc))
8748 return rc;
8749 sli4_params = &phba->sli4_hba.pc_sli4_params;
8750 mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters;
8751 sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters);
8752 sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters);
8753 sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters);
8754 sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1,
8755 mbx_sli4_parameters);
8756 sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2,
8757 mbx_sli4_parameters);
8758 if (bf_get(cfg_phwq, mbx_sli4_parameters))
8759 phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED;
8760 else
8761 phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED;
8762 sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len;
8763 sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters);
8764 sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters);
8765 sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters);
8766 sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters);
8767 sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters);
8768 sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt,
8769 mbx_sli4_parameters);
8770 sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align,
8771 mbx_sli4_parameters);
6d368e53
JS		 8772 phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters);
8773 phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters);
0558056c
JS		 8774
8775 /* Make sure that sge_supp_len can be handled by the driver */
8776 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
8777 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
8778
fedd3b7b
JS		 8779 return 0;
8780}
8781
da0436e9
JS		 8782/**
8783 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
8784 * @pdev: pointer to PCI device
8785 * @pid: pointer to PCI device identifier
8786 *
8787 * This routine is to be called to attach a device with SLI-3 interface spec
8788 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8789 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
8790 * information of the device and driver to see if the driver state that it can
8791 * support this kind of device. If the match is successful, the driver core
8792 * invokes this routine. If this routine determines it can claim the HBA, it
8793 * does all the initialization that it needs to do to handle the HBA properly.
8794 *
8795 * Return code
8796 * 0 - driver can claim the device
8797 * negative value - driver can not claim the device
8798 **/
6f039790 8799static int
da0436e9
JS		 8800lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid)
8801{
8802 struct lpfc_hba *phba;
8803 struct lpfc_vport *vport = NULL;
6669f9bb 8804 struct Scsi_Host *shost = NULL;
da0436e9
JS		 8805 int error;
8806 uint32_t cfg_mode, intr_mode;
8807
8808 /* Allocate memory for HBA structure */
8809 phba = lpfc_hba_alloc(pdev);
8810 if (!phba)
8811 return -ENOMEM;
8812
8813 /* Perform generic PCI device enabling operation */
8814 error = lpfc_enable_pci_dev(phba);
079b5c91 8815 if (error)
da0436e9 8816 goto out_free_phba;
da0436e9
JS		 8817
8818 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
8819 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP);
8820 if (error)
8821 goto out_disable_pci_dev;
8822
8823 /* Set up SLI-3 specific device PCI memory space */
8824 error = lpfc_sli_pci_mem_setup(phba);
8825 if (error) {
8826 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8827 "1402 Failed to set up pci memory space.\n");
8828 goto out_disable_pci_dev;
8829 }
8830
8831 /* Set up phase-1 common device driver resources */
8832 error = lpfc_setup_driver_resource_phase1(phba);
8833 if (error) {
8834 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8835 "1403 Failed to set up driver resource.\n");
8836 goto out_unset_pci_mem_s3;
8837 }
8838
8839 /* Set up SLI-3 specific device driver resources */
8840 error = lpfc_sli_driver_resource_setup(phba);
8841 if (error) {
8842 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8843 "1404 Failed to set up driver resource.\n");
8844 goto out_unset_pci_mem_s3;
8845 }
8846
8847 /* Initialize and populate the iocb list per host */
8848 error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT);
8849 if (error) {
8850 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8851 "1405 Failed to initialize iocb list.\n");
8852 goto out_unset_driver_resource_s3;
8853 }
8854
8855 /* Set up common device driver resources */
8856 error = lpfc_setup_driver_resource_phase2(phba);
8857 if (error) {
8858 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8859 "1406 Failed to set up driver resource.\n");
8860 goto out_free_iocb_list;
8861 }
8862
079b5c91
JS		 8863 /* Get the default values for Model Name and Description */
8864 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
8865
da0436e9
JS		 8866 /* Create SCSI host to the physical port */
8867 error = lpfc_create_shost(phba);
8868 if (error) {
8869 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8870 "1407 Failed to create scsi host.\n");
8871 goto out_unset_driver_resource;
8872 }
8873
8874 /* Configure sysfs attributes */
8875 vport = phba->pport;
8876 error = lpfc_alloc_sysfs_attr(vport);
8877 if (error) {
8878 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8879 "1476 Failed to allocate sysfs attr\n");
8880 goto out_destroy_shost;
8881 }
8882
6669f9bb 8883 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
da0436e9
JS		 8884 /* Now, trying to enable interrupt and bring up the device */
8885 cfg_mode = phba->cfg_use_msi;
8886 while (true) {
8887 /* Put device to a known state before enabling interrupt */
8888 lpfc_stop_port(phba);
8889 /* Configure and enable interrupt */
8890 intr_mode = lpfc_sli_enable_intr(phba, cfg_mode);
8891 if (intr_mode == LPFC_INTR_ERROR) {
8892 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8893 "0431 Failed to enable interrupt.\n");
8894 error = -ENODEV;
8895 goto out_free_sysfs_attr;
8896 }
8897 /* SLI-3 HBA setup */
8898 if (lpfc_sli_hba_setup(phba)) {
8899 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8900 "1477 Failed to set up hba\n");
8901 error = -ENODEV;
8902 goto out_remove_device;
8903 }
8904
8905 /* Wait 50ms for the interrupts of previous mailbox commands */
8906 msleep(50);
8907 /* Check active interrupts on message signaled interrupts */
8908 if (intr_mode == 0 ||
8909 phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) {
8910 /* Log the current active interrupt mode */
8911 phba->intr_mode = intr_mode;
8912 lpfc_log_intr_mode(phba, intr_mode);
8913 break;
8914 } else {
8915 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8916 "0447 Configure interrupt mode (%d) "
8917 "failed active interrupt test.\n",
8918 intr_mode);
8919 /* Disable the current interrupt mode */
8920 lpfc_sli_disable_intr(phba);
8921 /* Try next level of interrupt mode */
8922 cfg_mode = --intr_mode;
8923 }
8924 }
8925
8926 /* Perform post initialization setup */
8927 lpfc_post_init_setup(phba);
8928
8929 /* Check if there are static vports to be created. */
8930 lpfc_create_static_vport(phba);
8931
8932 return 0;
8933
8934out_remove_device:
8935 lpfc_unset_hba(phba);
8936out_free_sysfs_attr:
8937 lpfc_free_sysfs_attr(vport);
8938out_destroy_shost:
8939 lpfc_destroy_shost(phba);
8940out_unset_driver_resource:
8941 lpfc_unset_driver_resource_phase2(phba);
8942out_free_iocb_list:
8943 lpfc_free_iocb_list(phba);
8944out_unset_driver_resource_s3:
8945 lpfc_sli_driver_resource_unset(phba);
8946out_unset_pci_mem_s3:
8947 lpfc_sli_pci_mem_unset(phba);
8948out_disable_pci_dev:
8949 lpfc_disable_pci_dev(phba);
6669f9bb
JS		 8950 if (shost)
8951 scsi_host_put(shost);
da0436e9
JS		 8952out_free_phba:
8953 lpfc_hba_free(phba);
8954 return error;
8955}
8956
8957/**
8958 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
8959 * @pdev: pointer to PCI device
8960 *
8961 * This routine is to be called to disattach a device with SLI-3 interface
8962 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8963 * removed from PCI bus, it performs all the necessary cleanup for the HBA
8964 * device to be removed from the PCI subsystem properly.
8965 **/
6f039790 8966static void
da0436e9
JS		 8967lpfc_pci_remove_one_s3(struct pci_dev *pdev)
8968{
8969 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8970 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
8971 struct lpfc_vport **vports;
8972 struct lpfc_hba *phba = vport->phba;
8973 int i;
8974 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
8975
8976 spin_lock_irq(&phba->hbalock);
8977 vport->load_flag |= FC_UNLOADING;
8978 spin_unlock_irq(&phba->hbalock);
8979
8980 lpfc_free_sysfs_attr(vport);
8981
8982 /* Release all the vports against this physical port */
8983 vports = lpfc_create_vport_work_array(phba);
8984 if (vports != NULL)
587a37f6
JS		 8985 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
8986 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
8987 continue;
da0436e9 8988 fc_vport_terminate(vports[i]->fc_vport);
587a37f6 8989 }
da0436e9
JS		 8990 lpfc_destroy_vport_work_array(phba, vports);
8991
8992 /* Remove FC host and then SCSI host with the physical port */
8993 fc_remove_host(shost);
8994 scsi_remove_host(shost);
8995 lpfc_cleanup(vport);
8996
8997 /*
8998 * Bring down the SLI Layer. This step disable all interrupts,
8999 * clears the rings, discards all mailbox commands, and resets
9000 * the HBA.
9001 */
9002
48e34d0f 9003 /* HBA interrupt will be disabled after this call */
da0436e9
JS		 9004 lpfc_sli_hba_down(phba);
9005 /* Stop kthread signal shall trigger work_done one more time */
9006 kthread_stop(phba->worker_thread);
9007 /* Final cleanup of txcmplq and reset the HBA */
9008 lpfc_sli_brdrestart(phba);
9009
72859909
JS		 9010 kfree(phba->vpi_bmask);
9011 kfree(phba->vpi_ids);
9012
da0436e9
JS		 9013 lpfc_stop_hba_timers(phba);
9014 spin_lock_irq(&phba->hbalock);
9015 list_del_init(&vport->listentry);
9016 spin_unlock_irq(&phba->hbalock);
9017
9018 lpfc_debugfs_terminate(vport);
9019
912e3acd
JS		 9020 /* Disable SR-IOV if enabled */
9021 if (phba->cfg_sriov_nr_virtfn)
9022 pci_disable_sriov(pdev);
9023
da0436e9
JS		 9024 /* Disable interrupt */
9025 lpfc_sli_disable_intr(phba);
9026
9027 pci_set_drvdata(pdev, NULL);
9028 scsi_host_put(shost);
9029
9030 /*
9031 * Call scsi_free before mem_free since scsi bufs are released to their
9032 * corresponding pools here.
9033 */
9034 lpfc_scsi_free(phba);
9035 lpfc_mem_free_all(phba);
9036
9037 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
9038 phba->hbqslimp.virt, phba->hbqslimp.phys);
9039
9040 /* Free resources associated with SLI2 interface */
9041 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
9042 phba->slim2p.virt, phba->slim2p.phys);
9043
9044 /* unmap adapter SLIM and Control Registers */
9045 iounmap(phba->ctrl_regs_memmap_p);
9046 iounmap(phba->slim_memmap_p);
9047
9048 lpfc_hba_free(phba);
9049
9050 pci_release_selected_regions(pdev, bars);
9051 pci_disable_device(pdev);
9052}
9053
9054/**
9055 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
9056 * @pdev: pointer to PCI device
9057 * @msg: power management message
9058 *
9059 * This routine is to be called from the kernel's PCI subsystem to support
9060 * system Power Management (PM) to device with SLI-3 interface spec. When
9061 * PM invokes this method, it quiesces the device by stopping the driver's
9062 * worker thread for the device, turning off device's interrupt and DMA,
9063 * and bring the device offline. Note that as the driver implements the
9064 * minimum PM requirements to a power-aware driver's PM support for the
9065 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9066 * to the suspend() method call will be treated as SUSPEND and the driver will
9067 * fully reinitialize its device during resume() method call, the driver will
9068 * set device to PCI_D3hot state in PCI config space instead of setting it
9069 * according to the @msg provided by the PM.
9070 *
9071 * Return code
9072 * 0 - driver suspended the device
9073 * Error otherwise
9074 **/
9075static int
9076lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg)
9077{
9078 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9079 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9080
9081 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9082 "0473 PCI device Power Management suspend.\n");
9083
9084 /* Bring down the device */
618a5230 9085 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
da0436e9
JS		 9086 lpfc_offline(phba);
9087 kthread_stop(phba->worker_thread);
9088
9089 /* Disable interrupt from device */
9090 lpfc_sli_disable_intr(phba);
9091
9092 /* Save device state to PCI config space */
9093 pci_save_state(pdev);
9094 pci_set_power_state(pdev, PCI_D3hot);
9095
9096 return 0;
9097}
9098
9099/**
9100 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
9101 * @pdev: pointer to PCI device
9102 *
9103 * This routine is to be called from the kernel's PCI subsystem to support
9104 * system Power Management (PM) to device with SLI-3 interface spec. When PM
9105 * invokes this method, it restores the device's PCI config space state and
9106 * fully reinitializes the device and brings it online. Note that as the
9107 * driver implements the minimum PM requirements to a power-aware driver's
9108 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
9109 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
9110 * driver will fully reinitialize its device during resume() method call,
9111 * the device will be set to PCI_D0 directly in PCI config space before
9112 * restoring the state.
9113 *
9114 * Return code
9115 * 0 - driver suspended the device
9116 * Error otherwise
9117 **/
9118static int
9119lpfc_pci_resume_one_s3(struct pci_dev *pdev)
9120{
9121 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9122 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9123 uint32_t intr_mode;
9124 int error;
9125
9126 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9127 "0452 PCI device Power Management resume.\n");
9128
9129 /* Restore device state from PCI config space */
9130 pci_set_power_state(pdev, PCI_D0);
9131 pci_restore_state(pdev);
0d878419 9132
1dfb5a47
JS		 9133 /*
9134 * As the new kernel behavior of pci_restore_state() API call clears
9135 * device saved_state flag, need to save the restored state again.
9136 */
9137 pci_save_state(pdev);
9138
da0436e9
JS		 9139 if (pdev->is_busmaster)
9140 pci_set_master(pdev);
9141
9142 /* Startup the kernel thread for this host adapter. */
9143 phba->worker_thread = kthread_run(lpfc_do_work, phba,
9144 "lpfc_worker_%d", phba->brd_no);
9145 if (IS_ERR(phba->worker_thread)) {
9146 error = PTR_ERR(phba->worker_thread);
9147 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9148 "0434 PM resume failed to start worker "
9149 "thread: error=x%x.\n", error);
9150 return error;
9151 }
9152
9153 /* Configure and enable interrupt */
9154 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
9155 if (intr_mode == LPFC_INTR_ERROR) {
9156 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9157 "0430 PM resume Failed to enable interrupt\n");
9158 return -EIO;
9159 } else
9160 phba->intr_mode = intr_mode;
9161
9162 /* Restart HBA and bring it online */
9163 lpfc_sli_brdrestart(phba);
9164 lpfc_online(phba);
9165
9166 /* Log the current active interrupt mode */
9167 lpfc_log_intr_mode(phba, phba->intr_mode);
9168
9169 return 0;
9170}
9171
891478a2
JS		 9172/**
9173 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
9174 * @phba: pointer to lpfc hba data structure.
9175 *
9176 * This routine is called to prepare the SLI3 device for PCI slot recover. It
e2af0d2e 9177 * aborts all the outstanding SCSI I/Os to the pci device.
891478a2
JS		 9178 **/
9179static void
9180lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba)
9181{
e2af0d2e
JS		 9182 struct lpfc_sli *psli = &phba->sli;
9183 struct lpfc_sli_ring *pring;
9184
891478a2
JS		 9185 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9186 "2723 PCI channel I/O abort preparing for recovery\n");
e2af0d2e
JS		 9187
9188 /*
9189 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9190 * and let the SCSI mid-layer to retry them to recover.
9191 */
9192 pring = &psli->ring[psli->fcp_ring];
9193 lpfc_sli_abort_iocb_ring(phba, pring);
891478a2
JS		 9194}
9195
0d878419
JS		 9196/**
9197 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
9198 * @phba: pointer to lpfc hba data structure.
9199 *
9200 * This routine is called to prepare the SLI3 device for PCI slot reset. It
9201 * disables the device interrupt and pci device, and aborts the internal FCP
9202 * pending I/Os.
9203 **/
9204static void
9205lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba)
9206{
0d878419 9207 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
891478a2 9208 "2710 PCI channel disable preparing for reset\n");
e2af0d2e 9209
75baf696 9210 /* Block any management I/Os to the device */
618a5230 9211 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
75baf696 9212
e2af0d2e
JS		 9213 /* Block all SCSI devices' I/Os on the host */
9214 lpfc_scsi_dev_block(phba);
9215
9216 /* stop all timers */
9217 lpfc_stop_hba_timers(phba);
9218
0d878419
JS		 9219 /* Disable interrupt and pci device */
9220 lpfc_sli_disable_intr(phba);
9221 pci_disable_device(phba->pcidev);
75baf696 9222
e2af0d2e
JS		 9223 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9224 lpfc_sli_flush_fcp_rings(phba);
0d878419
JS		 9225}
9226
9227/**
9228 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
9229 * @phba: pointer to lpfc hba data structure.
9230 *
9231 * This routine is called to prepare the SLI3 device for PCI slot permanently
9232 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9233 * pending I/Os.
9234 **/
9235static void
75baf696 9236lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba)
0d878419
JS		 9237{
9238 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
891478a2 9239 "2711 PCI channel permanent disable for failure\n");
e2af0d2e
JS		 9240 /* Block all SCSI devices' I/Os on the host */
9241 lpfc_scsi_dev_block(phba);
9242
9243 /* stop all timers */
9244 lpfc_stop_hba_timers(phba);
9245
0d878419
JS		 9246 /* Clean up all driver's outstanding SCSI I/Os */
9247 lpfc_sli_flush_fcp_rings(phba);
9248}
9249
da0436e9
JS		 9250/**
9251 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
9252 * @pdev: pointer to PCI device.
9253 * @state: the current PCI connection state.
9254 *
9255 * This routine is called from the PCI subsystem for I/O error handling to
9256 * device with SLI-3 interface spec. This function is called by the PCI
9257 * subsystem after a PCI bus error affecting this device has been detected.
9258 * When this function is invoked, it will need to stop all the I/Os and
9259 * interrupt(s) to the device. Once that is done, it will return
9260 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
9261 * as desired.
9262 *
9263 * Return codes
0d878419 9264 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
da0436e9
JS		 9265 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9266 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9267 **/
9268static pci_ers_result_t
9269lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state)
9270{
9271 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9272 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
da0436e9 9273
0d878419
JS		 9274 switch (state) {
9275 case pci_channel_io_normal:
891478a2
JS		 9276 /* Non-fatal error, prepare for recovery */
9277 lpfc_sli_prep_dev_for_recover(phba);
0d878419
JS		 9278 return PCI_ERS_RESULT_CAN_RECOVER;
9279 case pci_channel_io_frozen:
9280 /* Fatal error, prepare for slot reset */
9281 lpfc_sli_prep_dev_for_reset(phba);
9282 return PCI_ERS_RESULT_NEED_RESET;
9283 case pci_channel_io_perm_failure:
9284 /* Permanent failure, prepare for device down */
75baf696 9285 lpfc_sli_prep_dev_for_perm_failure(phba);
da0436e9 9286 return PCI_ERS_RESULT_DISCONNECT;
0d878419
JS		 9287 default:
9288 /* Unknown state, prepare and request slot reset */
9289 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9290 "0472 Unknown PCI error state: x%x\n", state);
9291 lpfc_sli_prep_dev_for_reset(phba);
9292 return PCI_ERS_RESULT_NEED_RESET;
da0436e9 9293 }
da0436e9
JS		 9294}
9295
9296/**
9297 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
9298 * @pdev: pointer to PCI device.
9299 *
9300 * This routine is called from the PCI subsystem for error handling to
9301 * device with SLI-3 interface spec. This is called after PCI bus has been
9302 * reset to restart the PCI card from scratch, as if from a cold-boot.
9303 * During the PCI subsystem error recovery, after driver returns
9304 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9305 * recovery and then call this routine before calling the .resume method
9306 * to recover the device. This function will initialize the HBA device,
9307 * enable the interrupt, but it will just put the HBA to offline state
9308 * without passing any I/O traffic.
9309 *
9310 * Return codes
9311 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9312 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9313 */
9314static pci_ers_result_t
9315lpfc_io_slot_reset_s3(struct pci_dev *pdev)
9316{
9317 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9318 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9319 struct lpfc_sli *psli = &phba->sli;
9320 uint32_t intr_mode;
9321
9322 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
9323 if (pci_enable_device_mem(pdev)) {
9324 printk(KERN_ERR "lpfc: Cannot re-enable "
9325 "PCI device after reset.\n");
9326 return PCI_ERS_RESULT_DISCONNECT;
9327 }
9328
9329 pci_restore_state(pdev);
1dfb5a47
JS		 9330
9331 /*
9332 * As the new kernel behavior of pci_restore_state() API call clears
9333 * device saved_state flag, need to save the restored state again.
9334 */
9335 pci_save_state(pdev);
9336
da0436e9
JS		 9337 if (pdev->is_busmaster)
9338 pci_set_master(pdev);
9339
9340 spin_lock_irq(&phba->hbalock);
9341 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
9342 spin_unlock_irq(&phba->hbalock);
9343
9344 /* Configure and enable interrupt */
9345 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
9346 if (intr_mode == LPFC_INTR_ERROR) {
9347 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9348 "0427 Cannot re-enable interrupt after "
9349 "slot reset.\n");
9350 return PCI_ERS_RESULT_DISCONNECT;
9351 } else
9352 phba->intr_mode = intr_mode;
9353
75baf696 9354 /* Take device offline, it will perform cleanup */
618a5230 9355 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
da0436e9
JS		 9356 lpfc_offline(phba);
9357 lpfc_sli_brdrestart(phba);
9358
9359 /* Log the current active interrupt mode */
9360 lpfc_log_intr_mode(phba, phba->intr_mode);
9361
9362 return PCI_ERS_RESULT_RECOVERED;
9363}
9364
9365/**
9366 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
9367 * @pdev: pointer to PCI device
9368 *
9369 * This routine is called from the PCI subsystem for error handling to device
9370 * with SLI-3 interface spec. It is called when kernel error recovery tells
9371 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9372 * error recovery. After this call, traffic can start to flow from this device
9373 * again.
9374 */
9375static void
9376lpfc_io_resume_s3(struct pci_dev *pdev)
9377{
9378 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9379 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3772a991 9380
e2af0d2e 9381 /* Bring device online, it will be no-op for non-fatal error resume */
da0436e9 9382 lpfc_online(phba);
0d878419
JS		 9383
9384 /* Clean up Advanced Error Reporting (AER) if needed */
9385 if (phba->hba_flag & HBA_AER_ENABLED)
9386 pci_cleanup_aer_uncorrect_error_status(pdev);
da0436e9 9387}
3772a991 9388
da0436e9
JS		 9389/**
9390 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
9391 * @phba: pointer to lpfc hba data structure.
9392 *
9393 * returns the number of ELS/CT IOCBs to reserve
9394 **/
9395int
9396lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
9397{
9398 int max_xri = phba->sli4_hba.max_cfg_param.max_xri;
9399
f1126688
JS		 9400 if (phba->sli_rev == LPFC_SLI_REV4) {
9401 if (max_xri <= 100)
6a9c52cf 9402 return 10;
f1126688 9403 else if (max_xri <= 256)
6a9c52cf 9404 return 25;
f1126688 9405 else if (max_xri <= 512)
6a9c52cf 9406 return 50;
f1126688 9407 else if (max_xri <= 1024)
6a9c52cf 9408 return 100;
8a9d2e80 9409 else if (max_xri <= 1536)
6a9c52cf 9410 return 150;
8a9d2e80
JS		 9411 else if (max_xri <= 2048)
9412 return 200;
9413 else
9414 return 250;
f1126688
JS		 9415 } else
9416 return 0;
3772a991
JS		 9417}
9418
52d52440
JS		 9419/**
9420 * lpfc_write_firmware - attempt to write a firmware image to the port
52d52440 9421 * @fw: pointer to firmware image returned from request_firmware.
ce396282 9422 * @phba: pointer to lpfc hba data structure.
52d52440 9423 *
52d52440 9424 **/
ce396282
JS		 9425static void
9426lpfc_write_firmware(const struct firmware *fw, void *context)
52d52440 9427{
ce396282 9428 struct lpfc_hba *phba = (struct lpfc_hba *)context;
6b5151fd 9429 char fwrev[FW_REV_STR_SIZE];
ce396282 9430 struct lpfc_grp_hdr *image;
52d52440
JS		 9431 struct list_head dma_buffer_list;
9432 int i, rc = 0;
9433 struct lpfc_dmabuf *dmabuf, *next;
9434 uint32_t offset = 0, temp_offset = 0;
9435
c71ab861 9436 /* It can be null in no-wait mode, sanity check */
ce396282
JS		 9437 if (!fw) {
9438 rc = -ENXIO;
9439 goto out;
9440 }
9441 image = (struct lpfc_grp_hdr *)fw->data;
9442
52d52440 9443 INIT_LIST_HEAD(&dma_buffer_list);
079b5c91
JS		 9444 if ((be32_to_cpu(image->magic_number) != LPFC_GROUP_OJECT_MAGIC_NUM) ||
9445 (bf_get_be32(lpfc_grp_hdr_file_type, image) !=
9446 LPFC_FILE_TYPE_GROUP) ||
9447 (bf_get_be32(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) ||
9448 (be32_to_cpu(image->size) != fw->size)) {
52d52440
JS		 9449 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9450 "3022 Invalid FW image found. "
079b5c91
JS		 9451 "Magic:%x Type:%x ID:%x\n",
9452 be32_to_cpu(image->magic_number),
9453 bf_get_be32(lpfc_grp_hdr_file_type, image),
9454 bf_get_be32(lpfc_grp_hdr_id, image));
ce396282
JS		 9455 rc = -EINVAL;
9456 goto release_out;
52d52440
JS		 9457 }
9458 lpfc_decode_firmware_rev(phba, fwrev, 1);
88a2cfbb 9459 if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) {
52d52440 9460 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
ce396282 9461 "3023 Updating Firmware, Current Version:%s "
52d52440 9462 "New Version:%s\n",
88a2cfbb 9463 fwrev, image->revision);
52d52440
JS		 9464 for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) {
9465 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf),
9466 GFP_KERNEL);
9467 if (!dmabuf) {
9468 rc = -ENOMEM;
ce396282 9469 goto release_out;
52d52440
JS		 9470 }
9471 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
9472 SLI4_PAGE_SIZE,
9473 &dmabuf->phys,
9474 GFP_KERNEL);
9475 if (!dmabuf->virt) {
9476 kfree(dmabuf);
9477 rc = -ENOMEM;
ce396282 9478 goto release_out;
52d52440
JS		 9479 }
9480 list_add_tail(&dmabuf->list, &dma_buffer_list);
9481 }
9482 while (offset < fw->size) {
9483 temp_offset = offset;
9484 list_for_each_entry(dmabuf, &dma_buffer_list, list) {
079b5c91 9485 if (temp_offset + SLI4_PAGE_SIZE > fw->size) {
52d52440
JS		 9486 memcpy(dmabuf->virt,
9487 fw->data + temp_offset,
079b5c91
JS		 9488 fw->size - temp_offset);
9489 temp_offset = fw->size;
52d52440
JS		 9490 break;
9491 }
52d52440
JS		 9492 memcpy(dmabuf->virt, fw->data + temp_offset,
9493 SLI4_PAGE_SIZE);
88a2cfbb 9494 temp_offset += SLI4_PAGE_SIZE;
52d52440
JS		 9495 }
9496 rc = lpfc_wr_object(phba, &dma_buffer_list,
9497 (fw->size - offset), &offset);
ce396282
JS		 9498 if (rc)
9499 goto release_out;
52d52440
JS		 9500 }
9501 rc = offset;
9502 }
ce396282
JS		 9503
9504release_out:
52d52440
JS		 9505 list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) {
9506 list_del(&dmabuf->list);
9507 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
9508 dmabuf->virt, dmabuf->phys);
9509 kfree(dmabuf);
9510 }
ce396282
JS		 9511 release_firmware(fw);
9512out:
9513 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
c71ab861 9514 "3024 Firmware update done: %d.\n", rc);
ce396282 9515 return;
52d52440
JS		 9516}
9517
c71ab861
JS		 9518/**
9519 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
9520 * @phba: pointer to lpfc hba data structure.
9521 *
9522 * This routine is called to perform Linux generic firmware upgrade on device
9523 * that supports such feature.
9524 **/
9525int
9526lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade)
9527{
9528 uint8_t file_name[ELX_MODEL_NAME_SIZE];
9529 int ret;
9530 const struct firmware *fw;
9531
9532 /* Only supported on SLI4 interface type 2 for now */
9533 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
9534 LPFC_SLI_INTF_IF_TYPE_2)
9535 return -EPERM;
9536
9537 snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName);
9538
9539 if (fw_upgrade == INT_FW_UPGRADE) {
9540 ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
9541 file_name, &phba->pcidev->dev,
9542 GFP_KERNEL, (void *)phba,
9543 lpfc_write_firmware);
9544 } else if (fw_upgrade == RUN_FW_UPGRADE) {
9545 ret = request_firmware(&fw, file_name, &phba->pcidev->dev);
9546 if (!ret)
9547 lpfc_write_firmware(fw, (void *)phba);
9548 } else {
9549 ret = -EINVAL;
9550 }
9551
9552 return ret;
9553}
9554
3772a991 9555/**
da0436e9 9556 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
3772a991
JS		 9557 * @pdev: pointer to PCI device
9558 * @pid: pointer to PCI device identifier
9559 *
da0436e9
JS		 9560 * This routine is called from the kernel's PCI subsystem to device with
9561 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
3772a991 9562 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
da0436e9
JS		 9563 * information of the device and driver to see if the driver state that it
9564 * can support this kind of device. If the match is successful, the driver
9565 * core invokes this routine. If this routine determines it can claim the HBA,
9566 * it does all the initialization that it needs to do to handle the HBA
9567 * properly.
3772a991
JS		 9568 *
9569 * Return code
9570 * 0 - driver can claim the device
9571 * negative value - driver can not claim the device
9572 **/
6f039790 9573static int
da0436e9 9574lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
3772a991
JS		 9575{
9576 struct lpfc_hba *phba;
9577 struct lpfc_vport *vport = NULL;
6669f9bb 9578 struct Scsi_Host *shost = NULL;
ce396282 9579 int error, ret;
3772a991 9580 uint32_t cfg_mode, intr_mode;
67d12733 9581 int adjusted_fcp_io_channel;
3772a991
JS		 9582
9583 /* Allocate memory for HBA structure */
9584 phba = lpfc_hba_alloc(pdev);
9585 if (!phba)
9586 return -ENOMEM;
9587
9588 /* Perform generic PCI device enabling operation */
9589 error = lpfc_enable_pci_dev(phba);
079b5c91 9590 if (error)
3772a991 9591 goto out_free_phba;
3772a991 9592
da0436e9
JS		 9593 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
9594 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC);
3772a991
JS		 9595 if (error)
9596 goto out_disable_pci_dev;
9597
da0436e9
JS		 9598 /* Set up SLI-4 specific device PCI memory space */
9599 error = lpfc_sli4_pci_mem_setup(phba);
3772a991
JS		 9600 if (error) {
9601 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9602 "1410 Failed to set up pci memory space.\n");
3772a991
JS		 9603 goto out_disable_pci_dev;
9604 }
9605
9606 /* Set up phase-1 common device driver resources */
9607 error = lpfc_setup_driver_resource_phase1(phba);
9608 if (error) {
9609 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 9610 "1411 Failed to set up driver resource.\n");
9611 goto out_unset_pci_mem_s4;
3772a991
JS		 9612 }
9613
da0436e9
JS		 9614 /* Set up SLI-4 Specific device driver resources */
9615 error = lpfc_sli4_driver_resource_setup(phba);
3772a991
JS		 9616 if (error) {
9617 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 9618 "1412 Failed to set up driver resource.\n");
9619 goto out_unset_pci_mem_s4;
3772a991
JS		 9620 }
9621
9622 /* Initialize and populate the iocb list per host */
2a9bf3d0
JS		 9623
9624 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9625 "2821 initialize iocb list %d.\n",
9626 phba->cfg_iocb_cnt*1024);
9627 error = lpfc_init_iocb_list(phba, phba->cfg_iocb_cnt*1024);
9628
3772a991
JS		 9629 if (error) {
9630 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 9631 "1413 Failed to initialize iocb list.\n");
9632 goto out_unset_driver_resource_s4;
3772a991
JS		 9633 }
9634
19ca7609 9635 INIT_LIST_HEAD(&phba->active_rrq_list);
7d791df7 9636 INIT_LIST_HEAD(&phba->fcf.fcf_pri_list);
19ca7609 9637
3772a991
JS		 9638 /* Set up common device driver resources */
9639 error = lpfc_setup_driver_resource_phase2(phba);
9640 if (error) {
9641 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9642 "1414 Failed to set up driver resource.\n");
3772a991
JS		 9643 goto out_free_iocb_list;
9644 }
9645
079b5c91
JS		 9646 /* Get the default values for Model Name and Description */
9647 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
9648
3772a991
JS		 9649 /* Create SCSI host to the physical port */
9650 error = lpfc_create_shost(phba);
9651 if (error) {
9652 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9653 "1415 Failed to create scsi host.\n");
3772a991
JS		 9654 goto out_unset_driver_resource;
9655 }
9399627f 9656
5b75da2f 9657 /* Configure sysfs attributes */
3772a991
JS		 9658 vport = phba->pport;
9659 error = lpfc_alloc_sysfs_attr(vport);
9660 if (error) {
9399627f 9661 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9662 "1416 Failed to allocate sysfs attr\n");
3772a991 9663 goto out_destroy_shost;
98c9ea5c 9664 }
875fbdfe 9665
6669f9bb 9666 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
3772a991 9667 /* Now, trying to enable interrupt and bring up the device */
5b75da2f 9668 cfg_mode = phba->cfg_use_msi;
5b75da2f 9669
7b15db32
JS		 9670 /* Put device to a known state before enabling interrupt */
9671 lpfc_stop_port(phba);
9672 /* Configure and enable interrupt */
9673 intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode);
9674 if (intr_mode == LPFC_INTR_ERROR) {
9675 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9676 "0426 Failed to enable interrupt.\n");
9677 error = -ENODEV;
9678 goto out_free_sysfs_attr;
9679 }
9680 /* Default to single EQ for non-MSI-X */
9681 if (phba->intr_type != MSIX)
9682 adjusted_fcp_io_channel = 1;
9683 else
9684 adjusted_fcp_io_channel = phba->cfg_fcp_io_channel;
9685 phba->cfg_fcp_io_channel = adjusted_fcp_io_channel;
9686 /* Set up SLI-4 HBA */
9687 if (lpfc_sli4_hba_setup(phba)) {
9688 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9689 "1421 Failed to set up hba\n");
9690 error = -ENODEV;
9691 goto out_disable_intr;
98c9ea5c 9692 }
858c9f6c 9693
7b15db32
JS		 9694 /* Log the current active interrupt mode */
9695 phba->intr_mode = intr_mode;
9696 lpfc_log_intr_mode(phba, intr_mode);
9697
3772a991
JS		 9698 /* Perform post initialization setup */
9699 lpfc_post_init_setup(phba);
dea3101e 9700
c71ab861
JS		 9701 /* check for firmware upgrade or downgrade */
9702 if (phba->cfg_request_firmware_upgrade)
9703 ret = lpfc_sli4_request_firmware_update(phba, INT_FW_UPGRADE);
52d52440 9704
1c6834a7
JS		 9705 /* Check if there are static vports to be created. */
9706 lpfc_create_static_vport(phba);
dea3101e 9707 return 0;
9708
da0436e9
JS		 9709out_disable_intr:
9710 lpfc_sli4_disable_intr(phba);
5b75da2f
JS		 9711out_free_sysfs_attr:
9712 lpfc_free_sysfs_attr(vport);
3772a991
JS		 9713out_destroy_shost:
9714 lpfc_destroy_shost(phba);
9715out_unset_driver_resource:
9716 lpfc_unset_driver_resource_phase2(phba);
9717out_free_iocb_list:
9718 lpfc_free_iocb_list(phba);
da0436e9
JS		 9719out_unset_driver_resource_s4:
9720 lpfc_sli4_driver_resource_unset(phba);
9721out_unset_pci_mem_s4:
9722 lpfc_sli4_pci_mem_unset(phba);
3772a991
JS		 9723out_disable_pci_dev:
9724 lpfc_disable_pci_dev(phba);
6669f9bb
JS		 9725 if (shost)
9726 scsi_host_put(shost);
2e0fef85 9727out_free_phba:
3772a991 9728 lpfc_hba_free(phba);
dea3101e 9729 return error;
9730}
9731
e59058c4 9732/**
da0436e9 9733 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
e59058c4
JS		 9734 * @pdev: pointer to PCI device
9735 *
da0436e9
JS		 9736 * This routine is called from the kernel's PCI subsystem to device with
9737 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
3772a991
JS		 9738 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9739 * device to be removed from the PCI subsystem properly.
e59058c4 9740 **/
6f039790 9741static void
da0436e9 9742lpfc_pci_remove_one_s4(struct pci_dev *pdev)
dea3101e 9743{
da0436e9 9744 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2e0fef85 9745 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
eada272d 9746 struct lpfc_vport **vports;
da0436e9 9747 struct lpfc_hba *phba = vport->phba;
eada272d 9748 int i;
8a4df120 9749
da0436e9 9750 /* Mark the device unloading flag */
549e55cd 9751 spin_lock_irq(&phba->hbalock);
51ef4c26 9752 vport->load_flag |= FC_UNLOADING;
549e55cd 9753 spin_unlock_irq(&phba->hbalock);
2e0fef85 9754
da0436e9 9755 /* Free the HBA sysfs attributes */
858c9f6c
JS		 9756 lpfc_free_sysfs_attr(vport);
9757
eada272d
JS		 9758 /* Release all the vports against this physical port */
9759 vports = lpfc_create_vport_work_array(phba);
9760 if (vports != NULL)
587a37f6
JS		 9761 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
9762 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
9763 continue;
eada272d 9764 fc_vport_terminate(vports[i]->fc_vport);
587a37f6 9765 }
eada272d
JS		 9766 lpfc_destroy_vport_work_array(phba, vports);
9767
9768 /* Remove FC host and then SCSI host with the physical port */
858c9f6c
JS		 9769 fc_remove_host(shost);
9770 scsi_remove_host(shost);
da0436e9
JS		 9771
9772 /* Perform cleanup on the physical port */
87af33fe
JS		 9773 lpfc_cleanup(vport);
9774
2e0fef85 9775 /*
da0436e9 9776 * Bring down the SLI Layer. This step disables all interrupts,
2e0fef85 9777 * clears the rings, discards all mailbox commands, and resets
da0436e9 9778 * the HBA FCoE function.
2e0fef85 9779 */
da0436e9
JS		 9780 lpfc_debugfs_terminate(vport);
9781 lpfc_sli4_hba_unset(phba);
a257bf90 9782
858c9f6c
JS		 9783 spin_lock_irq(&phba->hbalock);
9784 list_del_init(&vport->listentry);
9785 spin_unlock_irq(&phba->hbalock);
9786
3677a3a7 9787 /* Perform scsi free before driver resource_unset since scsi
da0436e9 9788 * buffers are released to their corresponding pools here.
2e0fef85
JS		 9789 */
9790 lpfc_scsi_free(phba);
67d12733 9791
da0436e9 9792 lpfc_sli4_driver_resource_unset(phba);
ed957684 9793
da0436e9
JS		 9794 /* Unmap adapter Control and Doorbell registers */
9795 lpfc_sli4_pci_mem_unset(phba);
2e0fef85 9796
da0436e9
JS		 9797 /* Release PCI resources and disable device's PCI function */
9798 scsi_host_put(shost);
9799 lpfc_disable_pci_dev(phba);
2e0fef85 9800
da0436e9 9801 /* Finally, free the driver's device data structure */
3772a991 9802 lpfc_hba_free(phba);
2e0fef85 9803
da0436e9 9804 return;
dea3101e 9805}
9806
3a55b532 9807/**
da0436e9 9808 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
3a55b532
JS		 9809 * @pdev: pointer to PCI device
9810 * @msg: power management message
9811 *
da0436e9
JS		 9812 * This routine is called from the kernel's PCI subsystem to support system
9813 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
9814 * this method, it quiesces the device by stopping the driver's worker
9815 * thread for the device, turning off device's interrupt and DMA, and bring
9816 * the device offline. Note that as the driver implements the minimum PM
9817 * requirements to a power-aware driver's PM support for suspend/resume -- all
9818 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
9819 * method call will be treated as SUSPEND and the driver will fully
9820 * reinitialize its device during resume() method call, the driver will set
9821 * device to PCI_D3hot state in PCI config space instead of setting it
3772a991 9822 * according to the @msg provided by the PM.
3a55b532
JS		 9823 *
9824 * Return code
3772a991
JS		 9825 * 0 - driver suspended the device
9826 * Error otherwise
3a55b532
JS		 9827 **/
9828static int
da0436e9 9829lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg)
3a55b532
JS		 9830{
9831 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9832 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9833
9834 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
75baf696 9835 "2843 PCI device Power Management suspend.\n");
3a55b532
JS		 9836
9837 /* Bring down the device */
618a5230 9838 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
3a55b532
JS		 9839 lpfc_offline(phba);
9840 kthread_stop(phba->worker_thread);
9841
9842 /* Disable interrupt from device */
da0436e9 9843 lpfc_sli4_disable_intr(phba);
5350d872 9844 lpfc_sli4_queue_destroy(phba);
3a55b532
JS		 9845
9846 /* Save device state to PCI config space */
9847 pci_save_state(pdev);
9848 pci_set_power_state(pdev, PCI_D3hot);
9849
9850 return 0;
9851}
9852
9853/**
da0436e9 9854 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
3a55b532
JS		 9855 * @pdev: pointer to PCI device
9856 *
da0436e9
JS		 9857 * This routine is called from the kernel's PCI subsystem to support system
9858 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
9859 * this method, it restores the device's PCI config space state and fully
9860 * reinitializes the device and brings it online. Note that as the driver
9861 * implements the minimum PM requirements to a power-aware driver's PM for
9862 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9863 * to the suspend() method call will be treated as SUSPEND and the driver
9864 * will fully reinitialize its device during resume() method call, the device
9865 * will be set to PCI_D0 directly in PCI config space before restoring the
9866 * state.
3a55b532
JS		 9867 *
9868 * Return code
3772a991
JS		 9869 * 0 - driver suspended the device
9870 * Error otherwise
3a55b532
JS		 9871 **/
9872static int
da0436e9 9873lpfc_pci_resume_one_s4(struct pci_dev *pdev)
3a55b532
JS		 9874{
9875 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9876 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
5b75da2f 9877 uint32_t intr_mode;
3a55b532
JS		 9878 int error;
9879
9880 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
da0436e9 9881 "0292 PCI device Power Management resume.\n");
3a55b532
JS		 9882
9883 /* Restore device state from PCI config space */
9884 pci_set_power_state(pdev, PCI_D0);
9885 pci_restore_state(pdev);
1dfb5a47
JS		 9886
9887 /*
9888 * As the new kernel behavior of pci_restore_state() API call clears
9889 * device saved_state flag, need to save the restored state again.
9890 */
9891 pci_save_state(pdev);
9892
3a55b532
JS		 9893 if (pdev->is_busmaster)
9894 pci_set_master(pdev);
9895
da0436e9 9896 /* Startup the kernel thread for this host adapter. */
3a55b532
JS		 9897 phba->worker_thread = kthread_run(lpfc_do_work, phba,
9898 "lpfc_worker_%d", phba->brd_no);
9899 if (IS_ERR(phba->worker_thread)) {
9900 error = PTR_ERR(phba->worker_thread);
9901 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9902 "0293 PM resume failed to start worker "
3a55b532
JS		 9903 "thread: error=x%x.\n", error);
9904 return error;
9905 }
9906
5b75da2f 9907 /* Configure and enable interrupt */
da0436e9 9908 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
5b75da2f 9909 if (intr_mode == LPFC_INTR_ERROR) {
3a55b532 9910 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9911 "0294 PM resume Failed to enable interrupt\n");
5b75da2f
JS		 9912 return -EIO;
9913 } else
9914 phba->intr_mode = intr_mode;
3a55b532
JS		 9915
9916 /* Restart HBA and bring it online */
9917 lpfc_sli_brdrestart(phba);
9918 lpfc_online(phba);
9919
5b75da2f
JS		 9920 /* Log the current active interrupt mode */
9921 lpfc_log_intr_mode(phba, phba->intr_mode);
9922
3a55b532
JS		 9923 return 0;
9924}
9925
75baf696
JS		 9926/**
9927 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
9928 * @phba: pointer to lpfc hba data structure.
9929 *
9930 * This routine is called to prepare the SLI4 device for PCI slot recover. It
9931 * aborts all the outstanding SCSI I/Os to the pci device.
9932 **/
9933static void
9934lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba)
9935{
9936 struct lpfc_sli *psli = &phba->sli;
9937 struct lpfc_sli_ring *pring;
9938
9939 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9940 "2828 PCI channel I/O abort preparing for recovery\n");
9941 /*
9942 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9943 * and let the SCSI mid-layer to retry them to recover.
9944 */
9945 pring = &psli->ring[psli->fcp_ring];
9946 lpfc_sli_abort_iocb_ring(phba, pring);
9947}
9948
9949/**
9950 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
9951 * @phba: pointer to lpfc hba data structure.
9952 *
9953 * This routine is called to prepare the SLI4 device for PCI slot reset. It
9954 * disables the device interrupt and pci device, and aborts the internal FCP
9955 * pending I/Os.
9956 **/
9957static void
9958lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba)
9959{
9960 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9961 "2826 PCI channel disable preparing for reset\n");
9962
9963 /* Block any management I/Os to the device */
618a5230 9964 lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT);
75baf696
JS		 9965
9966 /* Block all SCSI devices' I/Os on the host */
9967 lpfc_scsi_dev_block(phba);
9968
9969 /* stop all timers */
9970 lpfc_stop_hba_timers(phba);
9971
9972 /* Disable interrupt and pci device */
9973 lpfc_sli4_disable_intr(phba);
5350d872 9974 lpfc_sli4_queue_destroy(phba);
75baf696
JS		 9975 pci_disable_device(phba->pcidev);
9976
9977 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9978 lpfc_sli_flush_fcp_rings(phba);
9979}
9980
9981/**
9982 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
9983 * @phba: pointer to lpfc hba data structure.
9984 *
9985 * This routine is called to prepare the SLI4 device for PCI slot permanently
9986 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9987 * pending I/Os.
9988 **/
9989static void
9990lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba)
9991{
9992 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9993 "2827 PCI channel permanent disable for failure\n");
9994
9995 /* Block all SCSI devices' I/Os on the host */
9996 lpfc_scsi_dev_block(phba);
9997
9998 /* stop all timers */
9999 lpfc_stop_hba_timers(phba);
10000
10001 /* Clean up all driver's outstanding SCSI I/Os */
10002 lpfc_sli_flush_fcp_rings(phba);
10003}
10004
8d63f375 10005/**
da0436e9 10006 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
e59058c4
JS		 10007 * @pdev: pointer to PCI device.
10008 * @state: the current PCI connection state.
8d63f375 10009 *
da0436e9
JS		 10010 * This routine is called from the PCI subsystem for error handling to device
10011 * with SLI-4 interface spec. This function is called by the PCI subsystem
10012 * after a PCI bus error affecting this device has been detected. When this
10013 * function is invoked, it will need to stop all the I/Os and interrupt(s)
10014 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
10015 * for the PCI subsystem to perform proper recovery as desired.
e59058c4
JS		 10016 *
10017 * Return codes
3772a991
JS		 10018 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10019 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
e59058c4 10020 **/
3772a991 10021static pci_ers_result_t
da0436e9 10022lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
8d63f375 10023{
75baf696
JS		 10024 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10025 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10026
10027 switch (state) {
10028 case pci_channel_io_normal:
10029 /* Non-fatal error, prepare for recovery */
10030 lpfc_sli4_prep_dev_for_recover(phba);
10031 return PCI_ERS_RESULT_CAN_RECOVER;
10032 case pci_channel_io_frozen:
10033 /* Fatal error, prepare for slot reset */
10034 lpfc_sli4_prep_dev_for_reset(phba);
10035 return PCI_ERS_RESULT_NEED_RESET;
10036 case pci_channel_io_perm_failure:
10037 /* Permanent failure, prepare for device down */
10038 lpfc_sli4_prep_dev_for_perm_failure(phba);
10039 return PCI_ERS_RESULT_DISCONNECT;
10040 default:
10041 /* Unknown state, prepare and request slot reset */
10042 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10043 "2825 Unknown PCI error state: x%x\n", state);
10044 lpfc_sli4_prep_dev_for_reset(phba);
10045 return PCI_ERS_RESULT_NEED_RESET;
10046 }
8d63f375
LV		 10047}
10048
10049/**
da0436e9 10050 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
e59058c4
JS		 10051 * @pdev: pointer to PCI device.
10052 *
da0436e9
JS		 10053 * This routine is called from the PCI subsystem for error handling to device
10054 * with SLI-4 interface spec. It is called after PCI bus has been reset to
10055 * restart the PCI card from scratch, as if from a cold-boot. During the
10056 * PCI subsystem error recovery, after the driver returns
3772a991 10057 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
da0436e9
JS		 10058 * recovery and then call this routine before calling the .resume method to
10059 * recover the device. This function will initialize the HBA device, enable
10060 * the interrupt, but it will just put the HBA to offline state without
10061 * passing any I/O traffic.
8d63f375 10062 *
e59058c4 10063 * Return codes
3772a991
JS		 10064 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10065 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
8d63f375 10066 */
3772a991 10067static pci_ers_result_t
da0436e9 10068lpfc_io_slot_reset_s4(struct pci_dev *pdev)
8d63f375 10069{
75baf696
JS		 10070 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10071 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10072 struct lpfc_sli *psli = &phba->sli;
10073 uint32_t intr_mode;
10074
10075 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
10076 if (pci_enable_device_mem(pdev)) {
10077 printk(KERN_ERR "lpfc: Cannot re-enable "
10078 "PCI device after reset.\n");
10079 return PCI_ERS_RESULT_DISCONNECT;
10080 }
10081
10082 pci_restore_state(pdev);
0a96e975
JS		 10083
10084 /*
10085 * As the new kernel behavior of pci_restore_state() API call clears
10086 * device saved_state flag, need to save the restored state again.
10087 */
10088 pci_save_state(pdev);
10089
75baf696
JS		 10090 if (pdev->is_busmaster)
10091 pci_set_master(pdev);
10092
10093 spin_lock_irq(&phba->hbalock);
10094 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
10095 spin_unlock_irq(&phba->hbalock);
10096
10097 /* Configure and enable interrupt */
10098 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
10099 if (intr_mode == LPFC_INTR_ERROR) {
10100 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10101 "2824 Cannot re-enable interrupt after "
10102 "slot reset.\n");
10103 return PCI_ERS_RESULT_DISCONNECT;
10104 } else
10105 phba->intr_mode = intr_mode;
10106
10107 /* Log the current active interrupt mode */
10108 lpfc_log_intr_mode(phba, phba->intr_mode);
10109
8d63f375
LV		 10110 return PCI_ERS_RESULT_RECOVERED;
10111}
10112
10113/**
da0436e9 10114 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
e59058c4 10115 * @pdev: pointer to PCI device
8d63f375 10116 *
3772a991 10117 * This routine is called from the PCI subsystem for error handling to device
da0436e9 10118 * with SLI-4 interface spec. It is called when kernel error recovery tells
3772a991
JS		 10119 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10120 * error recovery. After this call, traffic can start to flow from this device
10121 * again.
da0436e9 10122 **/
3772a991 10123static void
da0436e9 10124lpfc_io_resume_s4(struct pci_dev *pdev)
8d63f375 10125{
75baf696
JS		 10126 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10127 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10128
10129 /*
10130 * In case of slot reset, as function reset is performed through
10131 * mailbox command which needs DMA to be enabled, this operation
10132 * has to be moved to the io resume phase. Taking device offline
10133 * will perform the necessary cleanup.
10134 */
10135 if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) {
10136 /* Perform device reset */
618a5230 10137 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
75baf696
JS		 10138 lpfc_offline(phba);
10139 lpfc_sli_brdrestart(phba);
10140 /* Bring the device back online */
10141 lpfc_online(phba);
10142 }
10143
10144 /* Clean up Advanced Error Reporting (AER) if needed */
10145 if (phba->hba_flag & HBA_AER_ENABLED)
10146 pci_cleanup_aer_uncorrect_error_status(pdev);
8d63f375
LV		 10147}
10148
3772a991
JS		 10149/**
10150 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
10151 * @pdev: pointer to PCI device
10152 * @pid: pointer to PCI device identifier
10153 *
10154 * This routine is to be registered to the kernel's PCI subsystem. When an
10155 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
10156 * at PCI device-specific information of the device and driver to see if the
10157 * driver state that it can support this kind of device. If the match is
10158 * successful, the driver core invokes this routine. This routine dispatches
10159 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
10160 * do all the initialization that it needs to do to handle the HBA device
10161 * properly.
10162 *
10163 * Return code
10164 * 0 - driver can claim the device
10165 * negative value - driver can not claim the device
10166 **/
6f039790 10167static int
3772a991
JS		 10168lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
10169{
10170 int rc;
8fa38513 10171 struct lpfc_sli_intf intf;
3772a991 10172
28baac74 10173 if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0))
3772a991
JS		 10174 return -ENODEV;
10175
8fa38513 10176 if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) &&
28baac74 10177 (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4))
da0436e9 10178 rc = lpfc_pci_probe_one_s4(pdev, pid);
8fa38513 10179 else
3772a991 10180 rc = lpfc_pci_probe_one_s3(pdev, pid);
8fa38513 10181
3772a991
JS		 10182 return rc;
10183}
10184
10185/**
10186 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
10187 * @pdev: pointer to PCI device
10188 *
10189 * This routine is to be registered to the kernel's PCI subsystem. When an
10190 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
10191 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
10192 * remove routine, which will perform all the necessary cleanup for the
10193 * device to be removed from the PCI subsystem properly.
10194 **/
6f039790 10195static void
3772a991
JS		 10196lpfc_pci_remove_one(struct pci_dev *pdev)
10197{
10198 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10199 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10200
10201 switch (phba->pci_dev_grp) {
10202 case LPFC_PCI_DEV_LP:
10203 lpfc_pci_remove_one_s3(pdev);
10204 break;
da0436e9
JS		 10205 case LPFC_PCI_DEV_OC:
10206 lpfc_pci_remove_one_s4(pdev);
10207 break;
3772a991
JS		 10208 default:
10209 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10210 "1424 Invalid PCI device group: 0x%x\n",
10211 phba->pci_dev_grp);
10212 break;
10213 }
10214 return;
10215}
10216
10217/**
10218 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
10219 * @pdev: pointer to PCI device
10220 * @msg: power management message
10221 *
10222 * This routine is to be registered to the kernel's PCI subsystem to support
10223 * system Power Management (PM). When PM invokes this method, it dispatches
10224 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
10225 * suspend the device.
10226 *
10227 * Return code
10228 * 0 - driver suspended the device
10229 * Error otherwise
10230 **/
10231static int
10232lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg)
10233{
10234 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10235 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10236 int rc = -ENODEV;
10237
10238 switch (phba->pci_dev_grp) {
10239 case LPFC_PCI_DEV_LP:
10240 rc = lpfc_pci_suspend_one_s3(pdev, msg);
10241 break;
da0436e9
JS		 10242 case LPFC_PCI_DEV_OC:
10243 rc = lpfc_pci_suspend_one_s4(pdev, msg);
10244 break;
3772a991
JS		 10245 default:
10246 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10247 "1425 Invalid PCI device group: 0x%x\n",
10248 phba->pci_dev_grp);
10249 break;
10250 }
10251 return rc;
10252}
10253
10254/**
10255 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
10256 * @pdev: pointer to PCI device
10257 *
10258 * This routine is to be registered to the kernel's PCI subsystem to support
10259 * system Power Management (PM). When PM invokes this method, it dispatches
10260 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
10261 * resume the device.
10262 *
10263 * Return code
10264 * 0 - driver suspended the device
10265 * Error otherwise
10266 **/
10267static int
10268lpfc_pci_resume_one(struct pci_dev *pdev)
10269{
10270 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10271 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10272 int rc = -ENODEV;
10273
10274 switch (phba->pci_dev_grp) {
10275 case LPFC_PCI_DEV_LP:
10276 rc = lpfc_pci_resume_one_s3(pdev);
10277 break;
da0436e9
JS		 10278 case LPFC_PCI_DEV_OC:
10279 rc = lpfc_pci_resume_one_s4(pdev);
10280 break;
3772a991
JS		 10281 default:
10282 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10283 "1426 Invalid PCI device group: 0x%x\n",
10284 phba->pci_dev_grp);
10285 break;
10286 }
10287 return rc;
10288}
10289
10290/**
10291 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
10292 * @pdev: pointer to PCI device.
10293 * @state: the current PCI connection state.
10294 *
10295 * This routine is registered to the PCI subsystem for error handling. This
10296 * function is called by the PCI subsystem after a PCI bus error affecting
10297 * this device has been detected. When this routine is invoked, it dispatches
10298 * the action to the proper SLI-3 or SLI-4 device error detected handling
10299 * routine, which will perform the proper error detected operation.
10300 *
10301 * Return codes
10302 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10303 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10304 **/
10305static pci_ers_result_t
10306lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
10307{
10308 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10309 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10310 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
10311
10312 switch (phba->pci_dev_grp) {
10313 case LPFC_PCI_DEV_LP:
10314 rc = lpfc_io_error_detected_s3(pdev, state);
10315 break;
da0436e9
JS		 10316 case LPFC_PCI_DEV_OC:
10317 rc = lpfc_io_error_detected_s4(pdev, state);
10318 break;
3772a991
JS		 10319 default:
10320 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10321 "1427 Invalid PCI device group: 0x%x\n",
10322 phba->pci_dev_grp);
10323 break;
10324 }
10325 return rc;
10326}
10327
10328/**
10329 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
10330 * @pdev: pointer to PCI device.
10331 *
10332 * This routine is registered to the PCI subsystem for error handling. This
10333 * function is called after PCI bus has been reset to restart the PCI card
10334 * from scratch, as if from a cold-boot. When this routine is invoked, it
10335 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
10336 * routine, which will perform the proper device reset.
10337 *
10338 * Return codes
10339 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10340 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10341 **/
10342static pci_ers_result_t
10343lpfc_io_slot_reset(struct pci_dev *pdev)
10344{
10345 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10346 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10347 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
10348
10349 switch (phba->pci_dev_grp) {
10350 case LPFC_PCI_DEV_LP:
10351 rc = lpfc_io_slot_reset_s3(pdev);
10352 break;
da0436e9
JS		 10353 case LPFC_PCI_DEV_OC:
10354 rc = lpfc_io_slot_reset_s4(pdev);
10355 break;
3772a991
JS		 10356 default:
10357 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10358 "1428 Invalid PCI device group: 0x%x\n",
10359 phba->pci_dev_grp);
10360 break;
10361 }
10362 return rc;
10363}
10364
10365/**
10366 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
10367 * @pdev: pointer to PCI device
10368 *
10369 * This routine is registered to the PCI subsystem for error handling. It
10370 * is called when kernel error recovery tells the lpfc driver that it is
10371 * OK to resume normal PCI operation after PCI bus error recovery. When
10372 * this routine is invoked, it dispatches the action to the proper SLI-3
10373 * or SLI-4 device io_resume routine, which will resume the device operation.
10374 **/
10375static void
10376lpfc_io_resume(struct pci_dev *pdev)
10377{
10378 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10379 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10380
10381 switch (phba->pci_dev_grp) {
10382 case LPFC_PCI_DEV_LP:
10383 lpfc_io_resume_s3(pdev);
10384 break;
da0436e9
JS		 10385 case LPFC_PCI_DEV_OC:
10386 lpfc_io_resume_s4(pdev);
10387 break;
3772a991
JS		 10388 default:
10389 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10390 "1429 Invalid PCI device group: 0x%x\n",
10391 phba->pci_dev_grp);
10392 break;
10393 }
10394 return;
10395}
10396
3ef6d24c
JS		 10397/**
10398 * lpfc_mgmt_open - method called when 'lpfcmgmt' is opened from userspace
10399 * @inode: pointer to the inode representing the lpfcmgmt device
10400 * @filep: pointer to the file representing the open lpfcmgmt device
10401 *
10402 * This routine puts a reference count on the lpfc module whenever the
10403 * character device is opened
10404 **/
10405static int
10406lpfc_mgmt_open(struct inode *inode, struct file *filep)
10407{
10408 try_module_get(THIS_MODULE);
10409 return 0;
10410}
10411
10412/**
10413 * lpfc_mgmt_release - method called when 'lpfcmgmt' is closed in userspace
10414 * @inode: pointer to the inode representing the lpfcmgmt device
10415 * @filep: pointer to the file representing the open lpfcmgmt device
10416 *
10417 * This routine removes a reference count from the lpfc module when the
10418 * character device is closed
10419 **/
10420static int
10421lpfc_mgmt_release(struct inode *inode, struct file *filep)
10422{
10423 module_put(THIS_MODULE);
10424 return 0;
10425}
10426
dea3101e 10427static struct pci_device_id lpfc_id_table[] = {
10428 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
10429 PCI_ANY_ID, PCI_ANY_ID, },
06325e74
JSEC		 10430 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
10431 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10432 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
10433 PCI_ANY_ID, PCI_ANY_ID, },
10434 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
10435 PCI_ANY_ID, PCI_ANY_ID, },
10436 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
10437 PCI_ANY_ID, PCI_ANY_ID, },
10438 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
10439 PCI_ANY_ID, PCI_ANY_ID, },
10440 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
10441 PCI_ANY_ID, PCI_ANY_ID, },
10442 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
10443 PCI_ANY_ID, PCI_ANY_ID, },
10444 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
10445 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10446 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
10447 PCI_ANY_ID, PCI_ANY_ID, },
10448 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
10449 PCI_ANY_ID, PCI_ANY_ID, },
10450 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
10451 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10452 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
10453 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10454 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
10455 PCI_ANY_ID, PCI_ANY_ID, },
10456 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
10457 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10458 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
10459 PCI_ANY_ID, PCI_ANY_ID, },
10460 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
10461 PCI_ANY_ID, PCI_ANY_ID, },
10462 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
10463 PCI_ANY_ID, PCI_ANY_ID, },
84774a4d
JS		 10464 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET,
10465 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10466 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
10467 PCI_ANY_ID, PCI_ANY_ID, },
10468 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
10469 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10470 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
10471 PCI_ANY_ID, PCI_ANY_ID, },
10472 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
10473 PCI_ANY_ID, PCI_ANY_ID, },
10474 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
10475 PCI_ANY_ID, PCI_ANY_ID, },
10476 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
10477 PCI_ANY_ID, PCI_ANY_ID, },
10478 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
10479 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10480 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
10481 PCI_ANY_ID, PCI_ANY_ID, },
10482 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
10483 PCI_ANY_ID, PCI_ANY_ID, },
b87eab38
JS		 10484 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
10485 PCI_ANY_ID, PCI_ANY_ID, },
10486 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
10487 PCI_ANY_ID, PCI_ANY_ID, },
10488 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
10489 PCI_ANY_ID, PCI_ANY_ID, },
10490 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
10491 PCI_ANY_ID, PCI_ANY_ID, },
10492 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
10493 PCI_ANY_ID, PCI_ANY_ID, },
10494 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
10495 PCI_ANY_ID, PCI_ANY_ID, },
84774a4d
JS		 10496 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF,
10497 PCI_ANY_ID, PCI_ANY_ID, },
10498 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF,
10499 PCI_ANY_ID, PCI_ANY_ID, },
10500 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S,
10501 PCI_ANY_ID, PCI_ANY_ID, },
3772a991
JS		 10502 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK,
10503 PCI_ANY_ID, PCI_ANY_ID, },
a747c9ce
JS		 10504 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TOMCAT,
10505 PCI_ANY_ID, PCI_ANY_ID, },
10506 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FALCON,
6669f9bb 10507 PCI_ANY_ID, PCI_ANY_ID, },
98fc5dd9
JS		 10508 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BALIUS,
10509 PCI_ANY_ID, PCI_ANY_ID, },
085c647c
JS		 10510 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC,
10511 PCI_ANY_ID, PCI_ANY_ID, },
10512 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE,
10513 PCI_ANY_ID, PCI_ANY_ID, },
c0c11512
JS		 10514 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC_VF,
10515 PCI_ANY_ID, PCI_ANY_ID, },
10516 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE_VF,
10517 PCI_ANY_ID, PCI_ANY_ID, },
f8cafd38
JS		 10518 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK,
10519 PCI_ANY_ID, PCI_ANY_ID, },
10520 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK_VF,
10521 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10522 { 0 }
10523};
10524
10525MODULE_DEVICE_TABLE(pci, lpfc_id_table);
10526
a55b2d21 10527static const struct pci_error_handlers lpfc_err_handler = {
8d63f375
LV		 10528 .error_detected = lpfc_io_error_detected,
10529 .slot_reset = lpfc_io_slot_reset,
10530 .resume = lpfc_io_resume,
10531};
10532
dea3101e 10533static struct pci_driver lpfc_driver = {
10534 .name = LPFC_DRIVER_NAME,
10535 .id_table = lpfc_id_table,
10536 .probe = lpfc_pci_probe_one,
6f039790 10537 .remove = lpfc_pci_remove_one,
3a55b532 10538 .suspend = lpfc_pci_suspend_one,
3772a991 10539 .resume = lpfc_pci_resume_one,
2e0fef85 10540 .err_handler = &lpfc_err_handler,
dea3101e 10541};
10542
3ef6d24c
JS		 10543static const struct file_operations lpfc_mgmt_fop = {
10544 .open = lpfc_mgmt_open,
10545 .release = lpfc_mgmt_release,
10546};
10547
10548static struct miscdevice lpfc_mgmt_dev = {
10549 .minor = MISC_DYNAMIC_MINOR,
10550 .name = "lpfcmgmt",
10551 .fops = &lpfc_mgmt_fop,
10552};
10553
e59058c4 10554/**
3621a710 10555 * lpfc_init - lpfc module initialization routine
e59058c4
JS		 10556 *
10557 * This routine is to be invoked when the lpfc module is loaded into the
10558 * kernel. The special kernel macro module_init() is used to indicate the
10559 * role of this routine to the kernel as lpfc module entry point.
10560 *
10561 * Return codes
10562 * 0 - successful
10563 * -ENOMEM - FC attach transport failed
10564 * all others - failed
10565 */
dea3101e 10566static int __init
10567lpfc_init(void)
10568{
10569 int error = 0;
10570
10571 printk(LPFC_MODULE_DESC "\n");
c44ce173 10572 printk(LPFC_COPYRIGHT "\n");
dea3101e 10573
3ef6d24c
JS		 10574 error = misc_register(&lpfc_mgmt_dev);
10575 if (error)
10576 printk(KERN_ERR "Could not register lpfcmgmt device, "
10577 "misc_register returned with status %d", error);
10578
7ee5d43e
JS		 10579 if (lpfc_enable_npiv) {
10580 lpfc_transport_functions.vport_create = lpfc_vport_create;
10581 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
10582 }
dea3101e 10583 lpfc_transport_template =
10584 fc_attach_transport(&lpfc_transport_functions);
7ee5d43e 10585 if (lpfc_transport_template == NULL)
dea3101e 10586 return -ENOMEM;
7ee5d43e 10587 if (lpfc_enable_npiv) {
7ee5d43e 10588 lpfc_vport_transport_template =
98c9ea5c
JS		 10589 fc_attach_transport(&lpfc_vport_transport_functions);
10590 if (lpfc_vport_transport_template == NULL) {
10591 fc_release_transport(lpfc_transport_template);
7ee5d43e 10592 return -ENOMEM;
98c9ea5c 10593 }
7ee5d43e 10594 }
dea3101e 10595 error = pci_register_driver(&lpfc_driver);
92d7f7b0 10596 if (error) {
dea3101e 10597 fc_release_transport(lpfc_transport_template);
d7c255b2
JS		 10598 if (lpfc_enable_npiv)
10599 fc_release_transport(lpfc_vport_transport_template);
92d7f7b0 10600 }
dea3101e 10601
10602 return error;
10603}
10604
e59058c4 10605/**
3621a710 10606 * lpfc_exit - lpfc module removal routine
e59058c4
JS		 10607 *
10608 * This routine is invoked when the lpfc module is removed from the kernel.
10609 * The special kernel macro module_exit() is used to indicate the role of
10610 * this routine to the kernel as lpfc module exit point.
10611 */
dea3101e 10612static void __exit
10613lpfc_exit(void)
10614{
3ef6d24c 10615 misc_deregister(&lpfc_mgmt_dev);
dea3101e 10616 pci_unregister_driver(&lpfc_driver);
10617 fc_release_transport(lpfc_transport_template);
7ee5d43e
JS		 10618 if (lpfc_enable_npiv)
10619 fc_release_transport(lpfc_vport_transport_template);
81301a9b 10620 if (_dump_buf_data) {
6a9c52cf
JS		 10621 printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for "
10622 "_dump_buf_data at 0x%p\n",
81301a9b
JS		 10623 (1L << _dump_buf_data_order), _dump_buf_data);
10624 free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order);
10625 }
10626
10627 if (_dump_buf_dif) {
6a9c52cf
JS		 10628 printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for "
10629 "_dump_buf_dif at 0x%p\n",
81301a9b
JS		 10630 (1L << _dump_buf_dif_order), _dump_buf_dif);
10631 free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order);
10632 }
dea3101e 10633}
10634
10635module_init(lpfc_init);
10636module_exit(lpfc_exit);
10637MODULE_LICENSE("GPL");
10638MODULE_DESCRIPTION(LPFC_MODULE_DESC);
10639MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
10640MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
Linux kernel - Deliverables
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