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[SCSI] lpfc 8.3.39: Fixed pt2pt and loop discovery problems on topology changes.
[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;
256ec0d0
JS		 544 mod_timer(&vport->els_tmofunc,
545 jiffies + msecs_to_jiffies(1000 * timeout));
9399627f 546 /* Set up heart beat (HB) timer */
256ec0d0
JS		 547 mod_timer(&phba->hb_tmofunc,
548 jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
858c9f6c
JS		 549 phba->hb_outstanding = 0;
550 phba->last_completion_time = jiffies;
9399627f 551 /* Set up error attention (ERATT) polling timer */
256ec0d0
JS		 552 mod_timer(&phba->eratt_poll,
553 jiffies + msecs_to_jiffies(1000 * LPFC_ERATT_POLL_INTERVAL));
dea3101e 554
a0c87cbd
JS		 555 if (phba->hba_flag & LINK_DISABLED) {
556 lpfc_printf_log(phba,
557 KERN_ERR, LOG_INIT,
558 "2598 Adapter Link is disabled.\n");
559 lpfc_down_link(phba, pmb);
560 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
561 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
562 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
563 lpfc_printf_log(phba,
564 KERN_ERR, LOG_INIT,
565 "2599 Adapter failed to issue DOWN_LINK"
566 " mbox command rc 0x%x\n", rc);
567
568 mempool_free(pmb, phba->mbox_mem_pool);
569 return -EIO;
570 }
e40a02c1 571 } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) {
026abb87
JS		 572 mempool_free(pmb, phba->mbox_mem_pool);
573 rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
574 if (rc)
575 return rc;
dea3101e 576 }
577 /* MBOX buffer will be freed in mbox compl */
57127f15 578 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
9f1177a3
JS		 579 if (!pmb) {
580 phba->link_state = LPFC_HBA_ERROR;
581 return -ENOMEM;
582 }
583
57127f15
JS		 584 lpfc_config_async(phba, pmb, LPFC_ELS_RING);
585 pmb->mbox_cmpl = lpfc_config_async_cmpl;
586 pmb->vport = phba->pport;
587 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
dea3101e 588
57127f15
JS		 589 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
590 lpfc_printf_log(phba,
591 KERN_ERR,
592 LOG_INIT,
593 "0456 Adapter failed to issue "
e4e74273 594 "ASYNCEVT_ENABLE mbox status x%x\n",
57127f15
JS		 595 rc);
596 mempool_free(pmb, phba->mbox_mem_pool);
597 }
97207482
JS		 598
599 /* Get Option rom version */
600 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
9f1177a3
JS		 601 if (!pmb) {
602 phba->link_state = LPFC_HBA_ERROR;
603 return -ENOMEM;
604 }
605
97207482
JS		 606 lpfc_dump_wakeup_param(phba, pmb);
607 pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl;
608 pmb->vport = phba->pport;
609 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
610
611 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
612 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed "
e4e74273 613 "to get Option ROM version status x%x\n", rc);
97207482
JS		 614 mempool_free(pmb, phba->mbox_mem_pool);
615 }
616
d7c255b2 617 return 0;
ce8b3ce5
JS		 618}
619
84d1b006
JS		 620/**
621 * lpfc_hba_init_link - Initialize the FC link
622 * @phba: pointer to lpfc hba data structure.
6e7288d9 623 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
84d1b006
JS		 624 *
625 * This routine will issue the INIT_LINK mailbox command call.
626 * It is available to other drivers through the lpfc_hba data
627 * structure for use as a delayed link up mechanism with the
628 * module parameter lpfc_suppress_link_up.
629 *
630 * Return code
631 * 0 - success
632 * Any other value - error
633 **/
634int
6e7288d9 635lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag)
1b51197d
JS		 636{
637 return lpfc_hba_init_link_fc_topology(phba, phba->cfg_topology, flag);
638}
639
640/**
641 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
642 * @phba: pointer to lpfc hba data structure.
643 * @fc_topology: desired fc topology.
644 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
645 *
646 * This routine will issue the INIT_LINK mailbox command call.
647 * It is available to other drivers through the lpfc_hba data
648 * structure for use as a delayed link up mechanism with the
649 * module parameter lpfc_suppress_link_up.
650 *
651 * Return code
652 * 0 - success
653 * Any other value - error
654 **/
655int
656lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology,
657 uint32_t flag)
84d1b006
JS		 658{
659 struct lpfc_vport *vport = phba->pport;
660 LPFC_MBOXQ_t *pmb;
661 MAILBOX_t *mb;
662 int rc;
663
664 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
665 if (!pmb) {
666 phba->link_state = LPFC_HBA_ERROR;
667 return -ENOMEM;
668 }
669 mb = &pmb->u.mb;
670 pmb->vport = vport;
671
026abb87
JS		 672 if ((phba->cfg_link_speed > LPFC_USER_LINK_SPEED_MAX) ||
673 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_1G) &&
674 !(phba->lmt & LMT_1Gb)) ||
675 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_2G) &&
676 !(phba->lmt & LMT_2Gb)) ||
677 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_4G) &&
678 !(phba->lmt & LMT_4Gb)) ||
679 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_8G) &&
680 !(phba->lmt & LMT_8Gb)) ||
681 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_10G) &&
682 !(phba->lmt & LMT_10Gb)) ||
683 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G) &&
684 !(phba->lmt & LMT_16Gb))) {
685 /* Reset link speed to auto */
686 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
687 "1302 Invalid speed for this board:%d "
688 "Reset link speed to auto.\n",
689 phba->cfg_link_speed);
690 phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO;
691 }
1b51197d 692 lpfc_init_link(phba, pmb, fc_topology, phba->cfg_link_speed);
84d1b006 693 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1b51197d
JS		 694 if (phba->sli_rev < LPFC_SLI_REV4)
695 lpfc_set_loopback_flag(phba);
6e7288d9 696 rc = lpfc_sli_issue_mbox(phba, pmb, flag);
76a95d75 697 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
84d1b006
JS		 698 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
699 "0498 Adapter failed to init, mbxCmd x%x "
700 "INIT_LINK, mbxStatus x%x\n",
701 mb->mbxCommand, mb->mbxStatus);
76a95d75
JS		 702 if (phba->sli_rev <= LPFC_SLI_REV3) {
703 /* Clear all interrupt enable conditions */
704 writel(0, phba->HCregaddr);
705 readl(phba->HCregaddr); /* flush */
706 /* Clear all pending interrupts */
707 writel(0xffffffff, phba->HAregaddr);
708 readl(phba->HAregaddr); /* flush */
709 }
84d1b006 710 phba->link_state = LPFC_HBA_ERROR;
6e7288d9 711 if (rc != MBX_BUSY || flag == MBX_POLL)
84d1b006
JS		 712 mempool_free(pmb, phba->mbox_mem_pool);
713 return -EIO;
714 }
e40a02c1 715 phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK;
6e7288d9
JS		 716 if (flag == MBX_POLL)
717 mempool_free(pmb, phba->mbox_mem_pool);
84d1b006
JS		 718
719 return 0;
720}
721
722/**
723 * lpfc_hba_down_link - this routine downs the FC link
6e7288d9
JS		 724 * @phba: pointer to lpfc hba data structure.
725 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
84d1b006
JS		 726 *
727 * This routine will issue the DOWN_LINK mailbox command call.
728 * It is available to other drivers through the lpfc_hba data
729 * structure for use to stop the link.
730 *
731 * Return code
732 * 0 - success
733 * Any other value - error
734 **/
735int
6e7288d9 736lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag)
84d1b006
JS		 737{
738 LPFC_MBOXQ_t *pmb;
739 int rc;
740
741 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
742 if (!pmb) {
743 phba->link_state = LPFC_HBA_ERROR;
744 return -ENOMEM;
745 }
746
747 lpfc_printf_log(phba,
748 KERN_ERR, LOG_INIT,
749 "0491 Adapter Link is disabled.\n");
750 lpfc_down_link(phba, pmb);
751 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
6e7288d9 752 rc = lpfc_sli_issue_mbox(phba, pmb, flag);
84d1b006
JS		 753 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
754 lpfc_printf_log(phba,
755 KERN_ERR, LOG_INIT,
756 "2522 Adapter failed to issue DOWN_LINK"
757 " mbox command rc 0x%x\n", rc);
758
759 mempool_free(pmb, phba->mbox_mem_pool);
760 return -EIO;
761 }
6e7288d9
JS		 762 if (flag == MBX_POLL)
763 mempool_free(pmb, phba->mbox_mem_pool);
764
84d1b006
JS		 765 return 0;
766}
767
e59058c4 768/**
3621a710 769 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
e59058c4
JS		 770 * @phba: pointer to lpfc HBA data structure.
771 *
772 * This routine will do LPFC uninitialization before the HBA is reset when
773 * bringing down the SLI Layer.
774 *
775 * Return codes
776 * 0 - success.
777 * Any other value - error.
778 **/
dea3101e 779int
2e0fef85 780lpfc_hba_down_prep(struct lpfc_hba *phba)
dea3101e 781{
1b32f6aa
JS		 782 struct lpfc_vport **vports;
783 int i;
3772a991
JS		 784
785 if (phba->sli_rev <= LPFC_SLI_REV3) {
786 /* Disable interrupts */
787 writel(0, phba->HCregaddr);
788 readl(phba->HCregaddr); /* flush */
789 }
dea3101e 790
1b32f6aa
JS		 791 if (phba->pport->load_flag & FC_UNLOADING)
792 lpfc_cleanup_discovery_resources(phba->pport);
793 else {
794 vports = lpfc_create_vport_work_array(phba);
795 if (vports != NULL)
3772a991
JS		 796 for (i = 0; i <= phba->max_vports &&
797 vports[i] != NULL; i++)
1b32f6aa
JS		 798 lpfc_cleanup_discovery_resources(vports[i]);
799 lpfc_destroy_vport_work_array(phba, vports);
7f5f3d0d
JS		 800 }
801 return 0;
dea3101e 802}
803
e59058c4 804/**
3772a991 805 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
e59058c4
JS		 806 * @phba: pointer to lpfc HBA data structure.
807 *
808 * This routine will do uninitialization after the HBA is reset when bring
809 * down the SLI Layer.
810 *
811 * Return codes
af901ca1 812 * 0 - success.
e59058c4
JS		 813 * Any other value - error.
814 **/
3772a991
JS		 815static int
816lpfc_hba_down_post_s3(struct lpfc_hba *phba)
41415862
JW		 817{
818 struct lpfc_sli *psli = &phba->sli;
819 struct lpfc_sli_ring *pring;
820 struct lpfc_dmabuf *mp, *next_mp;
09372820 821 LIST_HEAD(completions);
41415862
JW		 822 int i;
823
92d7f7b0
JS		 824 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
825 lpfc_sli_hbqbuf_free_all(phba);
826 else {
827 /* Cleanup preposted buffers on the ELS ring */
828 pring = &psli->ring[LPFC_ELS_RING];
829 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
830 list_del(&mp->list);
831 pring->postbufq_cnt--;
832 lpfc_mbuf_free(phba, mp->virt, mp->phys);
833 kfree(mp);
834 }
41415862
JW		 835 }
836
09372820 837 spin_lock_irq(&phba->hbalock);
41415862
JW		 838 for (i = 0; i < psli->num_rings; i++) {
839 pring = &psli->ring[i];
09372820
JS		 840
841 /* At this point in time the HBA is either reset or DOA. Either
842 * way, nothing should be on txcmplq as it will NEVER complete.
843 */
844 list_splice_init(&pring->txcmplq, &completions);
09372820
JS		 845 spin_unlock_irq(&phba->hbalock);
846
a257bf90
JS		 847 /* Cancel all the IOCBs from the completions list */
848 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
849 IOERR_SLI_ABORTED);
09372820 850
41415862 851 lpfc_sli_abort_iocb_ring(phba, pring);
09372820 852 spin_lock_irq(&phba->hbalock);
41415862 853 }
09372820 854 spin_unlock_irq(&phba->hbalock);
41415862
JW		 855
856 return 0;
857}
5af5eee7 858
da0436e9
JS		 859/**
860 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
861 * @phba: pointer to lpfc HBA data structure.
862 *
863 * This routine will do uninitialization after the HBA is reset when bring
864 * down the SLI Layer.
865 *
866 * Return codes
af901ca1 867 * 0 - success.
da0436e9
JS		 868 * Any other value - error.
869 **/
870static int
871lpfc_hba_down_post_s4(struct lpfc_hba *phba)
872{
873 struct lpfc_scsi_buf *psb, *psb_next;
874 LIST_HEAD(aborts);
875 int ret;
876 unsigned long iflag = 0;
0f65ff68
JS		 877 struct lpfc_sglq *sglq_entry = NULL;
878
da0436e9
JS		 879 ret = lpfc_hba_down_post_s3(phba);
880 if (ret)
881 return ret;
882 /* At this point in time the HBA is either reset or DOA. Either
883 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
884 * on the lpfc_sgl_list so that it can either be freed if the
885 * driver is unloading or reposted if the driver is restarting
886 * the port.
887 */
888 spin_lock_irq(&phba->hbalock); /* required for lpfc_sgl_list and */
889 /* scsl_buf_list */
890 /* abts_sgl_list_lock required because worker thread uses this
891 * list.
892 */
893 spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
0f65ff68
JS		 894 list_for_each_entry(sglq_entry,
895 &phba->sli4_hba.lpfc_abts_els_sgl_list, list)
896 sglq_entry->state = SGL_FREED;
897
da0436e9
JS		 898 list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list,
899 &phba->sli4_hba.lpfc_sgl_list);
900 spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
901 /* abts_scsi_buf_list_lock required because worker thread uses this
902 * list.
903 */
904 spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
905 list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list,
906 &aborts);
907 spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
908 spin_unlock_irq(&phba->hbalock);
909
910 list_for_each_entry_safe(psb, psb_next, &aborts, list) {
911 psb->pCmd = NULL;
912 psb->status = IOSTAT_SUCCESS;
913 }
914 spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag);
915 list_splice(&aborts, &phba->lpfc_scsi_buf_list);
916 spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag);
917 return 0;
918}
919
920/**
921 * lpfc_hba_down_post - Wrapper func for hba down post routine
922 * @phba: pointer to lpfc HBA data structure.
923 *
924 * This routine wraps the actual SLI3 or SLI4 routine for performing
925 * uninitialization after the HBA is reset when bring down the SLI Layer.
926 *
927 * Return codes
af901ca1 928 * 0 - success.
da0436e9
JS		 929 * Any other value - error.
930 **/
931int
932lpfc_hba_down_post(struct lpfc_hba *phba)
933{
934 return (*phba->lpfc_hba_down_post)(phba);
935}
41415862 936
e59058c4 937/**
3621a710 938 * lpfc_hb_timeout - The HBA-timer timeout handler
e59058c4
JS		 939 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
940 *
941 * This is the HBA-timer timeout handler registered to the lpfc driver. When
942 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
943 * work-port-events bitmap and the worker thread is notified. This timeout
944 * event will be used by the worker thread to invoke the actual timeout
945 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
946 * be performed in the timeout handler and the HBA timeout event bit shall
947 * be cleared by the worker thread after it has taken the event bitmap out.
948 **/
a6ababd2 949static void
858c9f6c
JS		 950lpfc_hb_timeout(unsigned long ptr)
951{
952 struct lpfc_hba *phba;
5e9d9b82 953 uint32_t tmo_posted;
858c9f6c
JS		 954 unsigned long iflag;
955
956 phba = (struct lpfc_hba *)ptr;
9399627f
JS		 957
958 /* Check for heart beat timeout conditions */
858c9f6c 959 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
5e9d9b82
JS		 960 tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO;
961 if (!tmo_posted)
858c9f6c
JS		 962 phba->pport->work_port_events |= WORKER_HB_TMO;
963 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
964
9399627f 965 /* Tell the worker thread there is work to do */
5e9d9b82
JS		 966 if (!tmo_posted)
967 lpfc_worker_wake_up(phba);
858c9f6c
JS		 968 return;
969}
970
19ca7609
JS		 971/**
972 * lpfc_rrq_timeout - The RRQ-timer timeout handler
973 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
974 *
975 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
976 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
977 * work-port-events bitmap and the worker thread is notified. This timeout
978 * event will be used by the worker thread to invoke the actual timeout
979 * handler routine, lpfc_rrq_handler. Any periodical operations will
980 * be performed in the timeout handler and the RRQ timeout event bit shall
981 * be cleared by the worker thread after it has taken the event bitmap out.
982 **/
983static void
984lpfc_rrq_timeout(unsigned long ptr)
985{
986 struct lpfc_hba *phba;
19ca7609
JS		 987 unsigned long iflag;
988
989 phba = (struct lpfc_hba *)ptr;
990 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
1151e3ec 991 phba->hba_flag |= HBA_RRQ_ACTIVE;
19ca7609 992 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
1151e3ec 993 lpfc_worker_wake_up(phba);
19ca7609
JS		 994}
995
e59058c4 996/**
3621a710 997 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
e59058c4
JS		 998 * @phba: pointer to lpfc hba data structure.
999 * @pmboxq: pointer to the driver internal queue element for mailbox command.
1000 *
1001 * This is the callback function to the lpfc heart-beat mailbox command.
1002 * If configured, the lpfc driver issues the heart-beat mailbox command to
1003 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1004 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1005 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1006 * heart-beat outstanding state. Once the mailbox command comes back and
1007 * no error conditions detected, the heart-beat mailbox command timer is
1008 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1009 * state is cleared for the next heart-beat. If the timer expired with the
1010 * heart-beat outstanding state set, the driver will put the HBA offline.
1011 **/
858c9f6c
JS		 1012static void
1013lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
1014{
1015 unsigned long drvr_flag;
1016
1017 spin_lock_irqsave(&phba->hbalock, drvr_flag);
1018 phba->hb_outstanding = 0;
1019 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
1020
9399627f 1021 /* Check and reset heart-beat timer is necessary */
858c9f6c
JS		 1022 mempool_free(pmboxq, phba->mbox_mem_pool);
1023 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
1024 !(phba->link_state == LPFC_HBA_ERROR) &&
51ef4c26 1025 !(phba->pport->load_flag & FC_UNLOADING))
858c9f6c 1026 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1027 jiffies +
1028 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
858c9f6c
JS		 1029 return;
1030}
1031
e59058c4 1032/**
3621a710 1033 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
e59058c4
JS		 1034 * @phba: pointer to lpfc hba data structure.
1035 *
1036 * This is the actual HBA-timer timeout handler to be invoked by the worker
1037 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1038 * handler performs any periodic operations needed for the device. If such
1039 * periodic event has already been attended to either in the interrupt handler
1040 * or by processing slow-ring or fast-ring events within the HBA-timer
1041 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1042 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1043 * is configured and there is no heart-beat mailbox command outstanding, a
1044 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1045 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1046 * to offline.
1047 **/
858c9f6c
JS		 1048void
1049lpfc_hb_timeout_handler(struct lpfc_hba *phba)
1050{
45ed1190 1051 struct lpfc_vport **vports;
858c9f6c 1052 LPFC_MBOXQ_t *pmboxq;
0ff10d46 1053 struct lpfc_dmabuf *buf_ptr;
45ed1190 1054 int retval, i;
858c9f6c 1055 struct lpfc_sli *psli = &phba->sli;
0ff10d46 1056 LIST_HEAD(completions);
858c9f6c 1057
45ed1190
JS		 1058 vports = lpfc_create_vport_work_array(phba);
1059 if (vports != NULL)
1060 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
1061 lpfc_rcv_seq_check_edtov(vports[i]);
1062 lpfc_destroy_vport_work_array(phba, vports);
1063
858c9f6c 1064 if ((phba->link_state == LPFC_HBA_ERROR) ||
51ef4c26 1065 (phba->pport->load_flag & FC_UNLOADING) ||
858c9f6c
JS		 1066 (phba->pport->fc_flag & FC_OFFLINE_MODE))
1067 return;
1068
1069 spin_lock_irq(&phba->pport->work_port_lock);
858c9f6c 1070
256ec0d0
JS		 1071 if (time_after(phba->last_completion_time +
1072 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL),
1073 jiffies)) {
858c9f6c
JS		 1074 spin_unlock_irq(&phba->pport->work_port_lock);
1075 if (!phba->hb_outstanding)
1076 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1077 jiffies +
1078 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
858c9f6c
JS		 1079 else
1080 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1081 jiffies +
1082 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
858c9f6c
JS		 1083 return;
1084 }
1085 spin_unlock_irq(&phba->pport->work_port_lock);
1086
0ff10d46
JS		 1087 if (phba->elsbuf_cnt &&
1088 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
1089 spin_lock_irq(&phba->hbalock);
1090 list_splice_init(&phba->elsbuf, &completions);
1091 phba->elsbuf_cnt = 0;
1092 phba->elsbuf_prev_cnt = 0;
1093 spin_unlock_irq(&phba->hbalock);
1094
1095 while (!list_empty(&completions)) {
1096 list_remove_head(&completions, buf_ptr,
1097 struct lpfc_dmabuf, list);
1098 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
1099 kfree(buf_ptr);
1100 }
1101 }
1102 phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
1103
858c9f6c 1104 /* If there is no heart beat outstanding, issue a heartbeat command */
13815c83
JS		 1105 if (phba->cfg_enable_hba_heartbeat) {
1106 if (!phba->hb_outstanding) {
bc73905a
JS		 1107 if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) &&
1108 (list_empty(&psli->mboxq))) {
1109 pmboxq = mempool_alloc(phba->mbox_mem_pool,
1110 GFP_KERNEL);
1111 if (!pmboxq) {
1112 mod_timer(&phba->hb_tmofunc,
1113 jiffies +
256ec0d0
JS		 1114 msecs_to_jiffies(1000 *
1115 LPFC_HB_MBOX_INTERVAL));
bc73905a
JS		 1116 return;
1117 }
1118
1119 lpfc_heart_beat(phba, pmboxq);
1120 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
1121 pmboxq->vport = phba->pport;
1122 retval = lpfc_sli_issue_mbox(phba, pmboxq,
1123 MBX_NOWAIT);
1124
1125 if (retval != MBX_BUSY &&
1126 retval != MBX_SUCCESS) {
1127 mempool_free(pmboxq,
1128 phba->mbox_mem_pool);
1129 mod_timer(&phba->hb_tmofunc,
1130 jiffies +
256ec0d0
JS		 1131 msecs_to_jiffies(1000 *
1132 LPFC_HB_MBOX_INTERVAL));
bc73905a
JS		 1133 return;
1134 }
1135 phba->skipped_hb = 0;
1136 phba->hb_outstanding = 1;
1137 } else if (time_before_eq(phba->last_completion_time,
1138 phba->skipped_hb)) {
1139 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1140 "2857 Last completion time not "
1141 " updated in %d ms\n",
1142 jiffies_to_msecs(jiffies
1143 - phba->last_completion_time));
1144 } else
1145 phba->skipped_hb = jiffies;
1146
858c9f6c 1147 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1148 jiffies +
1149 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
858c9f6c 1150 return;
13815c83
JS		 1151 } else {
1152 /*
1153 * If heart beat timeout called with hb_outstanding set
dcf2a4e0
JS		 1154 * we need to give the hb mailbox cmd a chance to
1155 * complete or TMO.
13815c83 1156 */
dcf2a4e0
JS		 1157 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1158 "0459 Adapter heartbeat still out"
1159 "standing:last compl time was %d ms.\n",
1160 jiffies_to_msecs(jiffies
1161 - phba->last_completion_time));
1162 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1163 jiffies +
1164 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
858c9f6c 1165 }
858c9f6c
JS		 1166 }
1167}
1168
e59058c4 1169/**
3621a710 1170 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
e59058c4
JS		 1171 * @phba: pointer to lpfc hba data structure.
1172 *
1173 * This routine is called to bring the HBA offline when HBA hardware error
1174 * other than Port Error 6 has been detected.
1175 **/
09372820
JS		 1176static void
1177lpfc_offline_eratt(struct lpfc_hba *phba)
1178{
1179 struct lpfc_sli *psli = &phba->sli;
1180
1181 spin_lock_irq(&phba->hbalock);
f4b4c68f 1182 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
09372820 1183 spin_unlock_irq(&phba->hbalock);
618a5230 1184 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
09372820
JS		 1185
1186 lpfc_offline(phba);
1187 lpfc_reset_barrier(phba);
f4b4c68f 1188 spin_lock_irq(&phba->hbalock);
09372820 1189 lpfc_sli_brdreset(phba);
f4b4c68f 1190 spin_unlock_irq(&phba->hbalock);
09372820
JS		 1191 lpfc_hba_down_post(phba);
1192 lpfc_sli_brdready(phba, HS_MBRDY);
1193 lpfc_unblock_mgmt_io(phba);
1194 phba->link_state = LPFC_HBA_ERROR;
1195 return;
1196}
1197
da0436e9
JS		 1198/**
1199 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1200 * @phba: pointer to lpfc hba data structure.
1201 *
1202 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1203 * other than Port Error 6 has been detected.
1204 **/
1205static void
1206lpfc_sli4_offline_eratt(struct lpfc_hba *phba)
1207{
618a5230 1208 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
da0436e9
JS		 1209 lpfc_offline(phba);
1210 lpfc_sli4_brdreset(phba);
1211 lpfc_hba_down_post(phba);
1212 lpfc_sli4_post_status_check(phba);
1213 lpfc_unblock_mgmt_io(phba);
1214 phba->link_state = LPFC_HBA_ERROR;
1215}
1216
a257bf90
JS		 1217/**
1218 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1219 * @phba: pointer to lpfc hba data structure.
1220 *
1221 * This routine is invoked to handle the deferred HBA hardware error
1222 * conditions. This type of error is indicated by HBA by setting ER1
1223 * and another ER bit in the host status register. The driver will
1224 * wait until the ER1 bit clears before handling the error condition.
1225 **/
1226static void
1227lpfc_handle_deferred_eratt(struct lpfc_hba *phba)
1228{
1229 uint32_t old_host_status = phba->work_hs;
1230 struct lpfc_sli_ring *pring;
1231 struct lpfc_sli *psli = &phba->sli;
1232
f4b4c68f
JS		 1233 /* If the pci channel is offline, ignore possible errors,
1234 * since we cannot communicate with the pci card anyway.
1235 */
1236 if (pci_channel_offline(phba->pcidev)) {
1237 spin_lock_irq(&phba->hbalock);
1238 phba->hba_flag &= ~DEFER_ERATT;
1239 spin_unlock_irq(&phba->hbalock);
1240 return;
1241 }
1242
a257bf90
JS		 1243 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1244 "0479 Deferred Adapter Hardware Error "
1245 "Data: x%x x%x x%x\n",
1246 phba->work_hs,
1247 phba->work_status[0], phba->work_status[1]);
1248
1249 spin_lock_irq(&phba->hbalock);
f4b4c68f 1250 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
a257bf90
JS		 1251 spin_unlock_irq(&phba->hbalock);
1252
1253
1254 /*
1255 * Firmware stops when it triggred erratt. That could cause the I/Os
1256 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1257 * SCSI layer retry it after re-establishing link.
1258 */
1259 pring = &psli->ring[psli->fcp_ring];
1260 lpfc_sli_abort_iocb_ring(phba, pring);
1261
1262 /*
1263 * There was a firmware error. Take the hba offline and then
1264 * attempt to restart it.
1265 */
618a5230 1266 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
a257bf90
JS		 1267 lpfc_offline(phba);
1268
1269 /* Wait for the ER1 bit to clear.*/
1270 while (phba->work_hs & HS_FFER1) {
1271 msleep(100);
9940b97b
JS		 1272 if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) {
1273 phba->work_hs = UNPLUG_ERR ;
1274 break;
1275 }
a257bf90
JS		 1276 /* If driver is unloading let the worker thread continue */
1277 if (phba->pport->load_flag & FC_UNLOADING) {
1278 phba->work_hs = 0;
1279 break;
1280 }
1281 }
1282
1283 /*
1284 * This is to ptrotect against a race condition in which
1285 * first write to the host attention register clear the
1286 * host status register.
1287 */
1288 if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING)))
1289 phba->work_hs = old_host_status & ~HS_FFER1;
1290
3772a991 1291 spin_lock_irq(&phba->hbalock);
a257bf90 1292 phba->hba_flag &= ~DEFER_ERATT;
3772a991 1293 spin_unlock_irq(&phba->hbalock);
a257bf90
JS		 1294 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
1295 phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
1296}
1297
3772a991
JS		 1298static void
1299lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba)
1300{
1301 struct lpfc_board_event_header board_event;
1302 struct Scsi_Host *shost;
1303
1304 board_event.event_type = FC_REG_BOARD_EVENT;
1305 board_event.subcategory = LPFC_EVENT_PORTINTERR;
1306 shost = lpfc_shost_from_vport(phba->pport);
1307 fc_host_post_vendor_event(shost, fc_get_event_number(),
1308 sizeof(board_event),
1309 (char *) &board_event,
1310 LPFC_NL_VENDOR_ID);
1311}
1312
e59058c4 1313/**
3772a991 1314 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
e59058c4
JS		 1315 * @phba: pointer to lpfc hba data structure.
1316 *
1317 * This routine is invoked to handle the following HBA hardware error
1318 * conditions:
1319 * 1 - HBA error attention interrupt
1320 * 2 - DMA ring index out of range
1321 * 3 - Mailbox command came back as unknown
1322 **/
3772a991
JS		 1323static void
1324lpfc_handle_eratt_s3(struct lpfc_hba *phba)
dea3101e 1325{
2e0fef85 1326 struct lpfc_vport *vport = phba->pport;
2e0fef85 1327 struct lpfc_sli *psli = &phba->sli;
dea3101e 1328 struct lpfc_sli_ring *pring;
d2873e4c 1329 uint32_t event_data;
57127f15
JS		 1330 unsigned long temperature;
1331 struct temp_event temp_event_data;
92d7f7b0 1332 struct Scsi_Host *shost;
2e0fef85 1333
8d63f375 1334 /* If the pci channel is offline, ignore possible errors,
3772a991
JS		 1335 * since we cannot communicate with the pci card anyway.
1336 */
1337 if (pci_channel_offline(phba->pcidev)) {
1338 spin_lock_irq(&phba->hbalock);
1339 phba->hba_flag &= ~DEFER_ERATT;
1340 spin_unlock_irq(&phba->hbalock);
8d63f375 1341 return;
3772a991
JS		 1342 }
1343
13815c83
JS		 1344 /* If resets are disabled then leave the HBA alone and return */
1345 if (!phba->cfg_enable_hba_reset)
1346 return;
dea3101e 1347
ea2151b4 1348 /* Send an internal error event to mgmt application */
3772a991 1349 lpfc_board_errevt_to_mgmt(phba);
ea2151b4 1350
a257bf90
JS		 1351 if (phba->hba_flag & DEFER_ERATT)
1352 lpfc_handle_deferred_eratt(phba);
1353
dcf2a4e0
JS		 1354 if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) {
1355 if (phba->work_hs & HS_FFER6)
1356 /* Re-establishing Link */
1357 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1358 "1301 Re-establishing Link "
1359 "Data: x%x x%x x%x\n",
1360 phba->work_hs, phba->work_status[0],
1361 phba->work_status[1]);
1362 if (phba->work_hs & HS_FFER8)
1363 /* Device Zeroization */
1364 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1365 "2861 Host Authentication device "
1366 "zeroization Data:x%x x%x x%x\n",
1367 phba->work_hs, phba->work_status[0],
1368 phba->work_status[1]);
58da1ffb 1369
92d7f7b0 1370 spin_lock_irq(&phba->hbalock);
f4b4c68f 1371 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
92d7f7b0 1372 spin_unlock_irq(&phba->hbalock);
dea3101e 1373
1374 /*
1375 * Firmware stops when it triggled erratt with HS_FFER6.
1376 * That could cause the I/Os dropped by the firmware.
1377 * Error iocb (I/O) on txcmplq and let the SCSI layer
1378 * retry it after re-establishing link.
1379 */
1380 pring = &psli->ring[psli->fcp_ring];
1381 lpfc_sli_abort_iocb_ring(phba, pring);
1382
dea3101e 1383 /*
1384 * There was a firmware error. Take the hba offline and then
1385 * attempt to restart it.
1386 */
618a5230 1387 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
dea3101e 1388 lpfc_offline(phba);
41415862 1389 lpfc_sli_brdrestart(phba);
dea3101e 1390 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
46fa311e 1391 lpfc_unblock_mgmt_io(phba);
dea3101e 1392 return;
1393 }
46fa311e 1394 lpfc_unblock_mgmt_io(phba);
57127f15
JS		 1395 } else if (phba->work_hs & HS_CRIT_TEMP) {
1396 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
1397 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
1398 temp_event_data.event_code = LPFC_CRIT_TEMP;
1399 temp_event_data.data = (uint32_t)temperature;
1400
1401 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
d7c255b2 1402 "0406 Adapter maximum temperature exceeded "
57127f15
JS		 1403 "(%ld), taking this port offline "
1404 "Data: x%x x%x x%x\n",
1405 temperature, phba->work_hs,
1406 phba->work_status[0], phba->work_status[1]);
1407
1408 shost = lpfc_shost_from_vport(phba->pport);
1409 fc_host_post_vendor_event(shost, fc_get_event_number(),
1410 sizeof(temp_event_data),
1411 (char *) &temp_event_data,
1412 SCSI_NL_VID_TYPE_PCI
1413 | PCI_VENDOR_ID_EMULEX);
1414
7af67051 1415 spin_lock_irq(&phba->hbalock);
7af67051
JS		 1416 phba->over_temp_state = HBA_OVER_TEMP;
1417 spin_unlock_irq(&phba->hbalock);
09372820 1418 lpfc_offline_eratt(phba);
57127f15 1419
dea3101e 1420 } else {
1421 /* The if clause above forces this code path when the status
9399627f
JS		 1422 * failure is a value other than FFER6. Do not call the offline
1423 * twice. This is the adapter hardware error path.
dea3101e 1424 */
1425 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 1426 "0457 Adapter Hardware Error "
dea3101e 1427 "Data: x%x x%x x%x\n",
e8b62011 1428 phba->work_hs,
dea3101e 1429 phba->work_status[0], phba->work_status[1]);
1430
d2873e4c 1431 event_data = FC_REG_DUMP_EVENT;
92d7f7b0 1432 shost = lpfc_shost_from_vport(vport);
2e0fef85 1433 fc_host_post_vendor_event(shost, fc_get_event_number(),
d2873e4c
JS		 1434 sizeof(event_data), (char *) &event_data,
1435 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
1436
09372820 1437 lpfc_offline_eratt(phba);
dea3101e 1438 }
9399627f 1439 return;
dea3101e 1440}
1441
618a5230
JS		 1442/**
1443 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1444 * @phba: pointer to lpfc hba data structure.
1445 * @mbx_action: flag for mailbox shutdown action.
1446 *
1447 * This routine is invoked to perform an SLI4 port PCI function reset in
1448 * response to port status register polling attention. It waits for port
1449 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1450 * During this process, interrupt vectors are freed and later requested
1451 * for handling possible port resource change.
1452 **/
1453static int
1454lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action)
1455{
1456 int rc;
1457 uint32_t intr_mode;
1458
1459 /*
1460 * On error status condition, driver need to wait for port
1461 * ready before performing reset.
1462 */
1463 rc = lpfc_sli4_pdev_status_reg_wait(phba);
1464 if (!rc) {
1465 /* need reset: attempt for port recovery */
1466 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1467 "2887 Reset Needed: Attempting Port "
1468 "Recovery...\n");
1469 lpfc_offline_prep(phba, mbx_action);
1470 lpfc_offline(phba);
1471 /* release interrupt for possible resource change */
1472 lpfc_sli4_disable_intr(phba);
1473 lpfc_sli_brdrestart(phba);
1474 /* request and enable interrupt */
1475 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
1476 if (intr_mode == LPFC_INTR_ERROR) {
1477 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1478 "3175 Failed to enable interrupt\n");
1479 return -EIO;
1480 } else {
1481 phba->intr_mode = intr_mode;
1482 }
1483 rc = lpfc_online(phba);
1484 if (rc == 0)
1485 lpfc_unblock_mgmt_io(phba);
1486 }
1487 return rc;
1488}
1489
da0436e9
JS		 1490/**
1491 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1492 * @phba: pointer to lpfc hba data structure.
1493 *
1494 * This routine is invoked to handle the SLI4 HBA hardware error attention
1495 * conditions.
1496 **/
1497static void
1498lpfc_handle_eratt_s4(struct lpfc_hba *phba)
1499{
1500 struct lpfc_vport *vport = phba->pport;
1501 uint32_t event_data;
1502 struct Scsi_Host *shost;
2fcee4bf 1503 uint32_t if_type;
2e90f4b5
JS		 1504 struct lpfc_register portstat_reg = {0};
1505 uint32_t reg_err1, reg_err2;
1506 uint32_t uerrlo_reg, uemasklo_reg;
1507 uint32_t pci_rd_rc1, pci_rd_rc2;
73d91e50 1508 int rc;
da0436e9
JS		 1509
1510 /* If the pci channel is offline, ignore possible errors, since
1511 * we cannot communicate with the pci card anyway.
1512 */
1513 if (pci_channel_offline(phba->pcidev))
1514 return;
1515 /* If resets are disabled then leave the HBA alone and return */
1516 if (!phba->cfg_enable_hba_reset)
1517 return;
1518
2fcee4bf
JS		 1519 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
1520 switch (if_type) {
1521 case LPFC_SLI_INTF_IF_TYPE_0:
2e90f4b5
JS		 1522 pci_rd_rc1 = lpfc_readl(
1523 phba->sli4_hba.u.if_type0.UERRLOregaddr,
1524 &uerrlo_reg);
1525 pci_rd_rc2 = lpfc_readl(
1526 phba->sli4_hba.u.if_type0.UEMASKLOregaddr,
1527 &uemasklo_reg);
1528 /* consider PCI bus read error as pci_channel_offline */
1529 if (pci_rd_rc1 == -EIO && pci_rd_rc2 == -EIO)
1530 return;
2fcee4bf
JS		 1531 lpfc_sli4_offline_eratt(phba);
1532 break;
1533 case LPFC_SLI_INTF_IF_TYPE_2:
2e90f4b5
JS		 1534 pci_rd_rc1 = lpfc_readl(
1535 phba->sli4_hba.u.if_type2.STATUSregaddr,
1536 &portstat_reg.word0);
1537 /* consider PCI bus read error as pci_channel_offline */
6b5151fd
JS		 1538 if (pci_rd_rc1 == -EIO) {
1539 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1540 "3151 PCI bus read access failure: x%x\n",
1541 readl(phba->sli4_hba.u.if_type2.STATUSregaddr));
2e90f4b5 1542 return;
6b5151fd 1543 }
2e90f4b5
JS		 1544 reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr);
1545 reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr);
2fcee4bf
JS		 1546 if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) {
1547 /* TODO: Register for Overtemp async events. */
1548 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1549 "2889 Port Overtemperature event, "
026abb87 1550 "taking port offline\n");
2fcee4bf
JS		 1551 spin_lock_irq(&phba->hbalock);
1552 phba->over_temp_state = HBA_OVER_TEMP;
1553 spin_unlock_irq(&phba->hbalock);
1554 lpfc_sli4_offline_eratt(phba);
2e90f4b5 1555 break;
2fcee4bf 1556 }
2e90f4b5
JS		 1557 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1558 reg_err2 == SLIPORT_ERR2_REG_FW_RESTART)
1559 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1560 "3143 Port Down: Firmware Restarted\n");
1561 else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1562 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
1563 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1564 "3144 Port Down: Debug Dump\n");
1565 else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1566 reg_err2 == SLIPORT_ERR2_REG_FUNC_PROVISON)
1567 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1568 "3145 Port Down: Provisioning\n");
618a5230
JS		 1569
1570 /* Check port status register for function reset */
1571 rc = lpfc_sli4_port_sta_fn_reset(phba, LPFC_MBX_NO_WAIT);
1572 if (rc == 0) {
1573 /* don't report event on forced debug dump */
1574 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1575 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
1576 return;
1577 else
1578 break;
2fcee4bf 1579 }
618a5230 1580 /* fall through for not able to recover */
6b5151fd
JS		 1581 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1582 "3152 Unrecoverable error, bring the port "
1583 "offline\n");
2fcee4bf
JS		 1584 lpfc_sli4_offline_eratt(phba);
1585 break;
1586 case LPFC_SLI_INTF_IF_TYPE_1:
1587 default:
1588 break;
1589 }
2e90f4b5
JS		 1590 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1591 "3123 Report dump event to upper layer\n");
1592 /* Send an internal error event to mgmt application */
1593 lpfc_board_errevt_to_mgmt(phba);
1594
1595 event_data = FC_REG_DUMP_EVENT;
1596 shost = lpfc_shost_from_vport(vport);
1597 fc_host_post_vendor_event(shost, fc_get_event_number(),
1598 sizeof(event_data), (char *) &event_data,
1599 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
da0436e9
JS		 1600}
1601
1602/**
1603 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1604 * @phba: pointer to lpfc HBA data structure.
1605 *
1606 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1607 * routine from the API jump table function pointer from the lpfc_hba struct.
1608 *
1609 * Return codes
af901ca1 1610 * 0 - success.
da0436e9
JS		 1611 * Any other value - error.
1612 **/
1613void
1614lpfc_handle_eratt(struct lpfc_hba *phba)
1615{
1616 (*phba->lpfc_handle_eratt)(phba);
1617}
1618
e59058c4 1619/**
3621a710 1620 * lpfc_handle_latt - The HBA link event handler
e59058c4
JS		 1621 * @phba: pointer to lpfc hba data structure.
1622 *
1623 * This routine is invoked from the worker thread to handle a HBA host
1624 * attention link event.
1625 **/
dea3101e 1626void
2e0fef85 1627lpfc_handle_latt(struct lpfc_hba *phba)
dea3101e 1628{
2e0fef85
JS		 1629 struct lpfc_vport *vport = phba->pport;
1630 struct lpfc_sli *psli = &phba->sli;
dea3101e 1631 LPFC_MBOXQ_t *pmb;
1632 volatile uint32_t control;
1633 struct lpfc_dmabuf *mp;
09372820 1634 int rc = 0;
dea3101e 1635
1636 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
09372820
JS		 1637 if (!pmb) {
1638 rc = 1;
dea3101e 1639 goto lpfc_handle_latt_err_exit;
09372820 1640 }
dea3101e 1641
1642 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
09372820
JS		 1643 if (!mp) {
1644 rc = 2;
dea3101e 1645 goto lpfc_handle_latt_free_pmb;
09372820 1646 }
dea3101e 1647
1648 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
09372820
JS		 1649 if (!mp->virt) {
1650 rc = 3;
dea3101e 1651 goto lpfc_handle_latt_free_mp;
09372820 1652 }
dea3101e 1653
6281bfe0 1654 /* Cleanup any outstanding ELS commands */
549e55cd 1655 lpfc_els_flush_all_cmd(phba);
dea3101e 1656
1657 psli->slistat.link_event++;
76a95d75
JS		 1658 lpfc_read_topology(phba, pmb, mp);
1659 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
2e0fef85 1660 pmb->vport = vport;
0d2b6b83
JS		 1661 /* Block ELS IOCBs until we have processed this mbox command */
1662 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
0b727fea 1663 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
09372820
JS		 1664 if (rc == MBX_NOT_FINISHED) {
1665 rc = 4;
14691150 1666 goto lpfc_handle_latt_free_mbuf;
09372820 1667 }
dea3101e 1668
1669 /* Clear Link Attention in HA REG */
2e0fef85 1670 spin_lock_irq(&phba->hbalock);
dea3101e 1671 writel(HA_LATT, phba->HAregaddr);
1672 readl(phba->HAregaddr); /* flush */
2e0fef85 1673 spin_unlock_irq(&phba->hbalock);
dea3101e 1674
1675 return;
1676
14691150 1677lpfc_handle_latt_free_mbuf:
0d2b6b83 1678 phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT;
14691150 1679 lpfc_mbuf_free(phba, mp->virt, mp->phys);
dea3101e 1680lpfc_handle_latt_free_mp:
1681 kfree(mp);
1682lpfc_handle_latt_free_pmb:
1dcb58e5 1683 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e 1684lpfc_handle_latt_err_exit:
1685 /* Enable Link attention interrupts */
2e0fef85 1686 spin_lock_irq(&phba->hbalock);
dea3101e 1687 psli->sli_flag |= LPFC_PROCESS_LA;
1688 control = readl(phba->HCregaddr);
1689 control |= HC_LAINT_ENA;
1690 writel(control, phba->HCregaddr);
1691 readl(phba->HCregaddr); /* flush */
1692
1693 /* Clear Link Attention in HA REG */
1694 writel(HA_LATT, phba->HAregaddr);
1695 readl(phba->HAregaddr); /* flush */
2e0fef85 1696 spin_unlock_irq(&phba->hbalock);
dea3101e 1697 lpfc_linkdown(phba);
2e0fef85 1698 phba->link_state = LPFC_HBA_ERROR;
dea3101e 1699
09372820
JS		 1700 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1701 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
dea3101e 1702
1703 return;
1704}
1705
e59058c4 1706/**
3621a710 1707 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
e59058c4
JS		 1708 * @phba: pointer to lpfc hba data structure.
1709 * @vpd: pointer to the vital product data.
1710 * @len: length of the vital product data in bytes.
1711 *
1712 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1713 * an array of characters. In this routine, the ModelName, ProgramType, and
1714 * ModelDesc, etc. fields of the phba data structure will be populated.
1715 *
1716 * Return codes
1717 * 0 - pointer to the VPD passed in is NULL
1718 * 1 - success
1719 **/
3772a991 1720int
2e0fef85 1721lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
dea3101e 1722{
1723 uint8_t lenlo, lenhi;
07da60c1 1724 int Length;
dea3101e 1725 int i, j;
1726 int finished = 0;
1727 int index = 0;
1728
1729 if (!vpd)
1730 return 0;
1731
1732 /* Vital Product */
ed957684 1733 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011 1734 "0455 Vital Product Data: x%x x%x x%x x%x\n",
dea3101e 1735 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
1736 (uint32_t) vpd[3]);
74b72a59 1737 while (!finished && (index < (len - 4))) {
dea3101e 1738 switch (vpd[index]) {
1739 case 0x82:
74b72a59 1740 case 0x91:
dea3101e 1741 index += 1;
1742 lenlo = vpd[index];
1743 index += 1;
1744 lenhi = vpd[index];
1745 index += 1;
1746 i = ((((unsigned short)lenhi) << 8) + lenlo);
1747 index += i;
1748 break;
1749 case 0x90:
1750 index += 1;
1751 lenlo = vpd[index];
1752 index += 1;
1753 lenhi = vpd[index];
1754 index += 1;
1755 Length = ((((unsigned short)lenhi) << 8) + lenlo);
74b72a59
JW		 1756 if (Length > len - index)
1757 Length = len - index;
dea3101e 1758 while (Length > 0) {
1759 /* Look for Serial Number */
1760 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
1761 index += 2;
1762 i = vpd[index];
1763 index += 1;
1764 j = 0;
1765 Length -= (3+i);
1766 while(i--) {
1767 phba->SerialNumber[j++] = vpd[index++];
1768 if (j == 31)
1769 break;
1770 }
1771 phba->SerialNumber[j] = 0;
1772 continue;
1773 }
1774 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
1775 phba->vpd_flag |= VPD_MODEL_DESC;
1776 index += 2;
1777 i = vpd[index];
1778 index += 1;
1779 j = 0;
1780 Length -= (3+i);
1781 while(i--) {
1782 phba->ModelDesc[j++] = vpd[index++];
1783 if (j == 255)
1784 break;
1785 }
1786 phba->ModelDesc[j] = 0;
1787 continue;
1788 }
1789 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
1790 phba->vpd_flag |= VPD_MODEL_NAME;
1791 index += 2;
1792 i = vpd[index];
1793 index += 1;
1794 j = 0;
1795 Length -= (3+i);
1796 while(i--) {
1797 phba->ModelName[j++] = vpd[index++];
1798 if (j == 79)
1799 break;
1800 }
1801 phba->ModelName[j] = 0;
1802 continue;
1803 }
1804 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
1805 phba->vpd_flag |= VPD_PROGRAM_TYPE;
1806 index += 2;
1807 i = vpd[index];
1808 index += 1;
1809 j = 0;
1810 Length -= (3+i);
1811 while(i--) {
1812 phba->ProgramType[j++] = vpd[index++];
1813 if (j == 255)
1814 break;
1815 }
1816 phba->ProgramType[j] = 0;
1817 continue;
1818 }
1819 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
1820 phba->vpd_flag |= VPD_PORT;
1821 index += 2;
1822 i = vpd[index];
1823 index += 1;
1824 j = 0;
1825 Length -= (3+i);
1826 while(i--) {
cd1c8301
JS		 1827 if ((phba->sli_rev == LPFC_SLI_REV4) &&
1828 (phba->sli4_hba.pport_name_sta ==
1829 LPFC_SLI4_PPNAME_GET)) {
1830 j++;
1831 index++;
1832 } else
1833 phba->Port[j++] = vpd[index++];
1834 if (j == 19)
1835 break;
dea3101e 1836 }
cd1c8301
JS		 1837 if ((phba->sli_rev != LPFC_SLI_REV4) ||
1838 (phba->sli4_hba.pport_name_sta ==
1839 LPFC_SLI4_PPNAME_NON))
1840 phba->Port[j] = 0;
dea3101e 1841 continue;
1842 }
1843 else {
1844 index += 2;
1845 i = vpd[index];
1846 index += 1;
1847 index += i;
1848 Length -= (3 + i);
1849 }
1850 }
1851 finished = 0;
1852 break;
1853 case 0x78:
1854 finished = 1;
1855 break;
1856 default:
1857 index ++;
1858 break;
1859 }
74b72a59 1860 }
dea3101e 1861
1862 return(1);
1863}
1864
e59058c4 1865/**
3621a710 1866 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
e59058c4
JS		 1867 * @phba: pointer to lpfc hba data structure.
1868 * @mdp: pointer to the data structure to hold the derived model name.
1869 * @descp: pointer to the data structure to hold the derived description.
1870 *
1871 * This routine retrieves HBA's description based on its registered PCI device
1872 * ID. The @descp passed into this function points to an array of 256 chars. It
1873 * shall be returned with the model name, maximum speed, and the host bus type.
1874 * The @mdp passed into this function points to an array of 80 chars. When the
1875 * function returns, the @mdp will be filled with the model name.
1876 **/
dea3101e 1877static void
2e0fef85 1878lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
dea3101e 1879{
1880 lpfc_vpd_t *vp;
fefcb2b6 1881 uint16_t dev_id = phba->pcidev->device;
74b72a59 1882 int max_speed;
84774a4d 1883 int GE = 0;
da0436e9 1884 int oneConnect = 0; /* default is not a oneConnect */
74b72a59 1885 struct {
a747c9ce
JS		 1886 char *name;
1887 char *bus;
1888 char *function;
1889 } m = {"<Unknown>", "", ""};
74b72a59
JW		 1890
1891 if (mdp && mdp[0] != '\0'
1892 && descp && descp[0] != '\0')
1893 return;
1894
c0c11512
JS		 1895 if (phba->lmt & LMT_16Gb)
1896 max_speed = 16;
1897 else if (phba->lmt & LMT_10Gb)
74b72a59
JW		 1898 max_speed = 10;
1899 else if (phba->lmt & LMT_8Gb)
1900 max_speed = 8;
1901 else if (phba->lmt & LMT_4Gb)
1902 max_speed = 4;
1903 else if (phba->lmt & LMT_2Gb)
1904 max_speed = 2;
4169d868 1905 else if (phba->lmt & LMT_1Gb)
74b72a59 1906 max_speed = 1;
4169d868
JS		 1907 else
1908 max_speed = 0;
dea3101e 1909
1910 vp = &phba->vpd;
dea3101e 1911
e4adb204 1912 switch (dev_id) {
06325e74 1913 case PCI_DEVICE_ID_FIREFLY:
a747c9ce 1914 m = (typeof(m)){"LP6000", "PCI", "Fibre Channel Adapter"};
06325e74 1915 break;
dea3101e 1916 case PCI_DEVICE_ID_SUPERFLY:
1917 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
a747c9ce
JS		 1918 m = (typeof(m)){"LP7000", "PCI",
1919 "Fibre Channel Adapter"};
dea3101e 1920 else
a747c9ce
JS		 1921 m = (typeof(m)){"LP7000E", "PCI",
1922 "Fibre Channel Adapter"};
dea3101e 1923 break;
1924 case PCI_DEVICE_ID_DRAGONFLY:
a747c9ce
JS		 1925 m = (typeof(m)){"LP8000", "PCI",
1926 "Fibre Channel Adapter"};
dea3101e 1927 break;
1928 case PCI_DEVICE_ID_CENTAUR:
1929 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
a747c9ce
JS		 1930 m = (typeof(m)){"LP9002", "PCI",
1931 "Fibre Channel Adapter"};
dea3101e 1932 else
a747c9ce
JS		 1933 m = (typeof(m)){"LP9000", "PCI",
1934 "Fibre Channel Adapter"};
dea3101e 1935 break;
1936 case PCI_DEVICE_ID_RFLY:
a747c9ce
JS		 1937 m = (typeof(m)){"LP952", "PCI",
1938 "Fibre Channel Adapter"};
dea3101e 1939 break;
1940 case PCI_DEVICE_ID_PEGASUS:
a747c9ce
JS		 1941 m = (typeof(m)){"LP9802", "PCI-X",
1942 "Fibre Channel Adapter"};
dea3101e 1943 break;
1944 case PCI_DEVICE_ID_THOR:
a747c9ce
JS		 1945 m = (typeof(m)){"LP10000", "PCI-X",
1946 "Fibre Channel Adapter"};
dea3101e 1947 break;
1948 case PCI_DEVICE_ID_VIPER:
a747c9ce
JS		 1949 m = (typeof(m)){"LPX1000", "PCI-X",
1950 "Fibre Channel Adapter"};
dea3101e 1951 break;
1952 case PCI_DEVICE_ID_PFLY:
a747c9ce
JS		 1953 m = (typeof(m)){"LP982", "PCI-X",
1954 "Fibre Channel Adapter"};
dea3101e 1955 break;
1956 case PCI_DEVICE_ID_TFLY:
a747c9ce
JS		 1957 m = (typeof(m)){"LP1050", "PCI-X",
1958 "Fibre Channel Adapter"};
dea3101e 1959 break;
1960 case PCI_DEVICE_ID_HELIOS:
a747c9ce
JS		 1961 m = (typeof(m)){"LP11000", "PCI-X2",
1962 "Fibre Channel Adapter"};
dea3101e 1963 break;
e4adb204 1964 case PCI_DEVICE_ID_HELIOS_SCSP:
a747c9ce
JS		 1965 m = (typeof(m)){"LP11000-SP", "PCI-X2",
1966 "Fibre Channel Adapter"};
e4adb204
JSEC		 1967 break;
1968 case PCI_DEVICE_ID_HELIOS_DCSP:
a747c9ce
JS		 1969 m = (typeof(m)){"LP11002-SP", "PCI-X2",
1970 "Fibre Channel Adapter"};
e4adb204
JSEC		 1971 break;
1972 case PCI_DEVICE_ID_NEPTUNE:
a747c9ce 1973 m = (typeof(m)){"LPe1000", "PCIe", "Fibre Channel Adapter"};
e4adb204
JSEC		 1974 break;
1975 case PCI_DEVICE_ID_NEPTUNE_SCSP:
a747c9ce 1976 m = (typeof(m)){"LPe1000-SP", "PCIe", "Fibre Channel Adapter"};
e4adb204
JSEC		 1977 break;
1978 case PCI_DEVICE_ID_NEPTUNE_DCSP:
a747c9ce 1979 m = (typeof(m)){"LPe1002-SP", "PCIe", "Fibre Channel Adapter"};
e4adb204 1980 break;
dea3101e 1981 case PCI_DEVICE_ID_BMID:
a747c9ce 1982 m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
dea3101e 1983 break;
1984 case PCI_DEVICE_ID_BSMB:
a747c9ce 1985 m = (typeof(m)){"LP111", "PCI-X2", "Fibre Channel Adapter"};
dea3101e 1986 break;
1987 case PCI_DEVICE_ID_ZEPHYR:
a747c9ce 1988 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
dea3101e 1989 break;
e4adb204 1990 case PCI_DEVICE_ID_ZEPHYR_SCSP:
a747c9ce 1991 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
e4adb204
JSEC		 1992 break;
1993 case PCI_DEVICE_ID_ZEPHYR_DCSP:
a747c9ce 1994 m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"};
a257bf90 1995 GE = 1;
e4adb204 1996 break;
dea3101e 1997 case PCI_DEVICE_ID_ZMID:
a747c9ce 1998 m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
dea3101e 1999 break;
2000 case PCI_DEVICE_ID_ZSMB:
a747c9ce 2001 m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"};
dea3101e 2002 break;
2003 case PCI_DEVICE_ID_LP101:
a747c9ce 2004 m = (typeof(m)){"LP101", "PCI-X", "Fibre Channel Adapter"};
dea3101e 2005 break;
2006 case PCI_DEVICE_ID_LP10000S:
a747c9ce 2007 m = (typeof(m)){"LP10000-S", "PCI", "Fibre Channel Adapter"};
06325e74 2008 break;
e4adb204 2009 case PCI_DEVICE_ID_LP11000S:
a747c9ce 2010 m = (typeof(m)){"LP11000-S", "PCI-X2", "Fibre Channel Adapter"};
18a3b596 2011 break;
e4adb204 2012 case PCI_DEVICE_ID_LPE11000S:
a747c9ce 2013 m = (typeof(m)){"LPe11000-S", "PCIe", "Fibre Channel Adapter"};
5cc36b3c 2014 break;
b87eab38 2015 case PCI_DEVICE_ID_SAT:
a747c9ce 2016 m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2017 break;
2018 case PCI_DEVICE_ID_SAT_MID:
a747c9ce 2019 m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2020 break;
2021 case PCI_DEVICE_ID_SAT_SMB:
a747c9ce 2022 m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2023 break;
2024 case PCI_DEVICE_ID_SAT_DCSP:
a747c9ce 2025 m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2026 break;
2027 case PCI_DEVICE_ID_SAT_SCSP:
a747c9ce 2028 m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2029 break;
2030 case PCI_DEVICE_ID_SAT_S:
a747c9ce 2031 m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
b87eab38 2032 break;
84774a4d 2033 case PCI_DEVICE_ID_HORNET:
a747c9ce 2034 m = (typeof(m)){"LP21000", "PCIe", "FCoE Adapter"};
84774a4d
JS		 2035 GE = 1;
2036 break;
2037 case PCI_DEVICE_ID_PROTEUS_VF:
a747c9ce
JS		 2038 m = (typeof(m)){"LPev12000", "PCIe IOV",
2039 "Fibre Channel Adapter"};
84774a4d
JS		 2040 break;
2041 case PCI_DEVICE_ID_PROTEUS_PF:
a747c9ce
JS		 2042 m = (typeof(m)){"LPev12000", "PCIe IOV",
2043 "Fibre Channel Adapter"};
84774a4d
JS		 2044 break;
2045 case PCI_DEVICE_ID_PROTEUS_S:
a747c9ce
JS		 2046 m = (typeof(m)){"LPemv12002-S", "PCIe IOV",
2047 "Fibre Channel Adapter"};
84774a4d 2048 break;
da0436e9
JS		 2049 case PCI_DEVICE_ID_TIGERSHARK:
2050 oneConnect = 1;
a747c9ce 2051 m = (typeof(m)){"OCe10100", "PCIe", "FCoE"};
da0436e9 2052 break;
a747c9ce 2053 case PCI_DEVICE_ID_TOMCAT:
6669f9bb 2054 oneConnect = 1;
a747c9ce
JS		 2055 m = (typeof(m)){"OCe11100", "PCIe", "FCoE"};
2056 break;
2057 case PCI_DEVICE_ID_FALCON:
2058 m = (typeof(m)){"LPSe12002-ML1-E", "PCIe",
2059 "EmulexSecure Fibre"};
6669f9bb 2060 break;
98fc5dd9
JS		 2061 case PCI_DEVICE_ID_BALIUS:
2062 m = (typeof(m)){"LPVe12002", "PCIe Shared I/O",
2063 "Fibre Channel Adapter"};
2064 break;
085c647c 2065 case PCI_DEVICE_ID_LANCER_FC:
c0c11512
JS		 2066 case PCI_DEVICE_ID_LANCER_FC_VF:
2067 m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
085c647c
JS		 2068 break;
2069 case PCI_DEVICE_ID_LANCER_FCOE:
c0c11512 2070 case PCI_DEVICE_ID_LANCER_FCOE_VF:
085c647c 2071 oneConnect = 1;
079b5c91 2072 m = (typeof(m)){"OCe15100", "PCIe", "FCoE"};
085c647c 2073 break;
f8cafd38
JS		 2074 case PCI_DEVICE_ID_SKYHAWK:
2075 case PCI_DEVICE_ID_SKYHAWK_VF:
2076 oneConnect = 1;
2077 m = (typeof(m)){"OCe14000", "PCIe", "FCoE"};
2078 break;
5cc36b3c 2079 default:
a747c9ce 2080 m = (typeof(m)){"Unknown", "", ""};
e4adb204 2081 break;
dea3101e 2082 }
74b72a59
JW		 2083
2084 if (mdp && mdp[0] == '\0')
2085 snprintf(mdp, 79,"%s", m.name);
c0c11512
JS		 2086 /*
2087 * oneConnect hba requires special processing, they are all initiators
da0436e9
JS		 2088 * and we put the port number on the end
2089 */
2090 if (descp && descp[0] == '\0') {
2091 if (oneConnect)
2092 snprintf(descp, 255,
4169d868 2093 "Emulex OneConnect %s, %s Initiator %s",
a747c9ce 2094 m.name, m.function,
da0436e9 2095 phba->Port);
4169d868
JS		 2096 else if (max_speed == 0)
2097 snprintf(descp, 255,
2098 "Emulex %s %s %s ",
2099 m.name, m.bus, m.function);
da0436e9
JS		 2100 else
2101 snprintf(descp, 255,
2102 "Emulex %s %d%s %s %s",
a747c9ce
JS		 2103 m.name, max_speed, (GE) ? "GE" : "Gb",
2104 m.bus, m.function);
da0436e9 2105 }
dea3101e 2106}
2107
e59058c4 2108/**
3621a710 2109 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
e59058c4
JS		 2110 * @phba: pointer to lpfc hba data structure.
2111 * @pring: pointer to a IOCB ring.
2112 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2113 *
2114 * This routine posts a given number of IOCBs with the associated DMA buffer
2115 * descriptors specified by the cnt argument to the given IOCB ring.
2116 *
2117 * Return codes
2118 * The number of IOCBs NOT able to be posted to the IOCB ring.
2119 **/
dea3101e 2120int
495a714c 2121lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt)
dea3101e 2122{
2123 IOCB_t *icmd;
0bd4ca25 2124 struct lpfc_iocbq *iocb;
dea3101e 2125 struct lpfc_dmabuf *mp1, *mp2;
2126
2127 cnt += pring->missbufcnt;
2128
2129 /* While there are buffers to post */
2130 while (cnt > 0) {
2131 /* Allocate buffer for command iocb */
0bd4ca25 2132 iocb = lpfc_sli_get_iocbq(phba);
dea3101e 2133 if (iocb == NULL) {
2134 pring->missbufcnt = cnt;
2135 return cnt;
2136 }
dea3101e 2137 icmd = &iocb->iocb;
2138
2139 /* 2 buffers can be posted per command */
2140 /* Allocate buffer to post */
2141 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
2142 if (mp1)
98c9ea5c
JS		 2143 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
2144 if (!mp1 || !mp1->virt) {
c9475cb0 2145 kfree(mp1);
604a3e30 2146 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2147 pring->missbufcnt = cnt;
2148 return cnt;
2149 }
2150
2151 INIT_LIST_HEAD(&mp1->list);
2152 /* Allocate buffer to post */
2153 if (cnt > 1) {
2154 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
2155 if (mp2)
2156 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
2157 &mp2->phys);
98c9ea5c 2158 if (!mp2 || !mp2->virt) {
c9475cb0 2159 kfree(mp2);
dea3101e 2160 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
2161 kfree(mp1);
604a3e30 2162 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2163 pring->missbufcnt = cnt;
2164 return cnt;
2165 }
2166
2167 INIT_LIST_HEAD(&mp2->list);
2168 } else {
2169 mp2 = NULL;
2170 }
2171
2172 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
2173 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
2174 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
2175 icmd->ulpBdeCount = 1;
2176 cnt--;
2177 if (mp2) {
2178 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
2179 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
2180 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
2181 cnt--;
2182 icmd->ulpBdeCount = 2;
2183 }
2184
2185 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
2186 icmd->ulpLe = 1;
2187
3772a991
JS		 2188 if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) ==
2189 IOCB_ERROR) {
dea3101e 2190 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
2191 kfree(mp1);
2192 cnt++;
2193 if (mp2) {
2194 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
2195 kfree(mp2);
2196 cnt++;
2197 }
604a3e30 2198 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2199 pring->missbufcnt = cnt;
dea3101e 2200 return cnt;
2201 }
dea3101e 2202 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
92d7f7b0 2203 if (mp2)
dea3101e 2204 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
dea3101e 2205 }
2206 pring->missbufcnt = 0;
2207 return 0;
2208}
2209
e59058c4 2210/**
3621a710 2211 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
e59058c4
JS		 2212 * @phba: pointer to lpfc hba data structure.
2213 *
2214 * This routine posts initial receive IOCB buffers to the ELS ring. The
2215 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2216 * set to 64 IOCBs.
2217 *
2218 * Return codes
2219 * 0 - success (currently always success)
2220 **/
dea3101e 2221static int
2e0fef85 2222lpfc_post_rcv_buf(struct lpfc_hba *phba)
dea3101e 2223{
2224 struct lpfc_sli *psli = &phba->sli;
2225
2226 /* Ring 0, ELS / CT buffers */
495a714c 2227 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0);
dea3101e 2228 /* Ring 2 - FCP no buffers needed */
2229
2230 return 0;
2231}
2232
2233#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2234
e59058c4 2235/**
3621a710 2236 * lpfc_sha_init - Set up initial array of hash table entries
e59058c4
JS		 2237 * @HashResultPointer: pointer to an array as hash table.
2238 *
2239 * This routine sets up the initial values to the array of hash table entries
2240 * for the LC HBAs.
2241 **/
dea3101e 2242static void
2243lpfc_sha_init(uint32_t * HashResultPointer)
2244{
2245 HashResultPointer[0] = 0x67452301;
2246 HashResultPointer[1] = 0xEFCDAB89;
2247 HashResultPointer[2] = 0x98BADCFE;
2248 HashResultPointer[3] = 0x10325476;
2249 HashResultPointer[4] = 0xC3D2E1F0;
2250}
2251
e59058c4 2252/**
3621a710 2253 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
e59058c4
JS		 2254 * @HashResultPointer: pointer to an initial/result hash table.
2255 * @HashWorkingPointer: pointer to an working hash table.
2256 *
2257 * This routine iterates an initial hash table pointed by @HashResultPointer
2258 * with the values from the working hash table pointeed by @HashWorkingPointer.
2259 * The results are putting back to the initial hash table, returned through
2260 * the @HashResultPointer as the result hash table.
2261 **/
dea3101e 2262static void
2263lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
2264{
2265 int t;
2266 uint32_t TEMP;
2267 uint32_t A, B, C, D, E;
2268 t = 16;
2269 do {
2270 HashWorkingPointer[t] =
2271 S(1,
2272 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
2273 8] ^
2274 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
2275 } while (++t <= 79);
2276 t = 0;
2277 A = HashResultPointer[0];
2278 B = HashResultPointer[1];
2279 C = HashResultPointer[2];
2280 D = HashResultPointer[3];
2281 E = HashResultPointer[4];
2282
2283 do {
2284 if (t < 20) {
2285 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
2286 } else if (t < 40) {
2287 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
2288 } else if (t < 60) {
2289 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
2290 } else {
2291 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
2292 }
2293 TEMP += S(5, A) + E + HashWorkingPointer[t];
2294 E = D;
2295 D = C;
2296 C = S(30, B);
2297 B = A;
2298 A = TEMP;
2299 } while (++t <= 79);
2300
2301 HashResultPointer[0] += A;
2302 HashResultPointer[1] += B;
2303 HashResultPointer[2] += C;
2304 HashResultPointer[3] += D;
2305 HashResultPointer[4] += E;
2306
2307}
2308
e59058c4 2309/**
3621a710 2310 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
e59058c4
JS		 2311 * @RandomChallenge: pointer to the entry of host challenge random number array.
2312 * @HashWorking: pointer to the entry of the working hash array.
2313 *
2314 * This routine calculates the working hash array referred by @HashWorking
2315 * from the challenge random numbers associated with the host, referred by
2316 * @RandomChallenge. The result is put into the entry of the working hash
2317 * array and returned by reference through @HashWorking.
2318 **/
dea3101e 2319static void
2320lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
2321{
2322 *HashWorking = (*RandomChallenge ^ *HashWorking);
2323}
2324
e59058c4 2325/**
3621a710 2326 * lpfc_hba_init - Perform special handling for LC HBA initialization
e59058c4
JS		 2327 * @phba: pointer to lpfc hba data structure.
2328 * @hbainit: pointer to an array of unsigned 32-bit integers.
2329 *
2330 * This routine performs the special handling for LC HBA initialization.
2331 **/
dea3101e 2332void
2333lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
2334{
2335 int t;
2336 uint32_t *HashWorking;
2e0fef85 2337 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
dea3101e 2338
bbfbbbc1 2339 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
dea3101e 2340 if (!HashWorking)
2341 return;
2342
dea3101e 2343 HashWorking[0] = HashWorking[78] = *pwwnn++;
2344 HashWorking[1] = HashWorking[79] = *pwwnn;
2345
2346 for (t = 0; t < 7; t++)
2347 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
2348
2349 lpfc_sha_init(hbainit);
2350 lpfc_sha_iterate(hbainit, HashWorking);
2351 kfree(HashWorking);
2352}
2353
e59058c4 2354/**
3621a710 2355 * lpfc_cleanup - Performs vport cleanups before deleting a vport
e59058c4
JS		 2356 * @vport: pointer to a virtual N_Port data structure.
2357 *
2358 * This routine performs the necessary cleanups before deleting the @vport.
2359 * It invokes the discovery state machine to perform necessary state
2360 * transitions and to release the ndlps associated with the @vport. Note,
2361 * the physical port is treated as @vport 0.
2362 **/
87af33fe 2363void
2e0fef85 2364lpfc_cleanup(struct lpfc_vport *vport)
dea3101e 2365{
87af33fe 2366 struct lpfc_hba *phba = vport->phba;
dea3101e 2367 struct lpfc_nodelist *ndlp, *next_ndlp;
a8adb832 2368 int i = 0;
dea3101e 2369
87af33fe
JS		 2370 if (phba->link_state > LPFC_LINK_DOWN)
2371 lpfc_port_link_failure(vport);
2372
2373 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
e47c9093
JS		 2374 if (!NLP_CHK_NODE_ACT(ndlp)) {
2375 ndlp = lpfc_enable_node(vport, ndlp,
2376 NLP_STE_UNUSED_NODE);
2377 if (!ndlp)
2378 continue;
2379 spin_lock_irq(&phba->ndlp_lock);
2380 NLP_SET_FREE_REQ(ndlp);
2381 spin_unlock_irq(&phba->ndlp_lock);
2382 /* Trigger the release of the ndlp memory */
2383 lpfc_nlp_put(ndlp);
2384 continue;
2385 }
2386 spin_lock_irq(&phba->ndlp_lock);
2387 if (NLP_CHK_FREE_REQ(ndlp)) {
2388 /* The ndlp should not be in memory free mode already */
2389 spin_unlock_irq(&phba->ndlp_lock);
2390 continue;
2391 } else
2392 /* Indicate request for freeing ndlp memory */
2393 NLP_SET_FREE_REQ(ndlp);
2394 spin_unlock_irq(&phba->ndlp_lock);
2395
58da1ffb
JS		 2396 if (vport->port_type != LPFC_PHYSICAL_PORT &&
2397 ndlp->nlp_DID == Fabric_DID) {
2398 /* Just free up ndlp with Fabric_DID for vports */
2399 lpfc_nlp_put(ndlp);
2400 continue;
2401 }
2402
eff4a01b
JS		 2403 /* take care of nodes in unused state before the state
2404 * machine taking action.
2405 */
2406 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
2407 lpfc_nlp_put(ndlp);
2408 continue;
2409 }
2410
87af33fe
JS		 2411 if (ndlp->nlp_type & NLP_FABRIC)
2412 lpfc_disc_state_machine(vport, ndlp, NULL,
2413 NLP_EVT_DEVICE_RECOVERY);
e47c9093 2414
87af33fe
JS		 2415 lpfc_disc_state_machine(vport, ndlp, NULL,
2416 NLP_EVT_DEVICE_RM);
2417 }
2418
a8adb832
JS		 2419 /* At this point, ALL ndlp's should be gone
2420 * because of the previous NLP_EVT_DEVICE_RM.
2421 * Lets wait for this to happen, if needed.
2422 */
87af33fe 2423 while (!list_empty(&vport->fc_nodes)) {
a8adb832 2424 if (i++ > 3000) {
87af33fe 2425 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
a8adb832 2426 "0233 Nodelist not empty\n");
e47c9093
JS		 2427 list_for_each_entry_safe(ndlp, next_ndlp,
2428 &vport->fc_nodes, nlp_listp) {
2429 lpfc_printf_vlog(ndlp->vport, KERN_ERR,
2430 LOG_NODE,
d7c255b2 2431 "0282 did:x%x ndlp:x%p "
e47c9093
JS		 2432 "usgmap:x%x refcnt:%d\n",
2433 ndlp->nlp_DID, (void *)ndlp,
2434 ndlp->nlp_usg_map,
2435 atomic_read(
2436 &ndlp->kref.refcount));
2437 }
a8adb832 2438 break;
87af33fe 2439 }
a8adb832
JS		 2440
2441 /* Wait for any activity on ndlps to settle */
2442 msleep(10);
87af33fe 2443 }
1151e3ec 2444 lpfc_cleanup_vports_rrqs(vport, NULL);
dea3101e 2445}
2446
e59058c4 2447/**
3621a710 2448 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
e59058c4
JS		 2449 * @vport: pointer to a virtual N_Port data structure.
2450 *
2451 * This routine stops all the timers associated with a @vport. This function
2452 * is invoked before disabling or deleting a @vport. Note that the physical
2453 * port is treated as @vport 0.
2454 **/
92d7f7b0
JS		 2455void
2456lpfc_stop_vport_timers(struct lpfc_vport *vport)
dea3101e 2457{
92d7f7b0
JS		 2458 del_timer_sync(&vport->els_tmofunc);
2459 del_timer_sync(&vport->fc_fdmitmo);
92494144 2460 del_timer_sync(&vport->delayed_disc_tmo);
92d7f7b0
JS		 2461 lpfc_can_disctmo(vport);
2462 return;
dea3101e 2463}
2464
ecfd03c6
JS		 2465/**
2466 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2467 * @phba: pointer to lpfc hba data structure.
2468 *
2469 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2470 * caller of this routine should already hold the host lock.
2471 **/
2472void
2473__lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
2474{
5ac6b303
JS		 2475 /* Clear pending FCF rediscovery wait flag */
2476 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
2477
ecfd03c6
JS		 2478 /* Now, try to stop the timer */
2479 del_timer(&phba->fcf.redisc_wait);
2480}
2481
2482/**
2483 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2484 * @phba: pointer to lpfc hba data structure.
2485 *
2486 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2487 * checks whether the FCF rediscovery wait timer is pending with the host
2488 * lock held before proceeding with disabling the timer and clearing the
2489 * wait timer pendig flag.
2490 **/
2491void
2492lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
2493{
2494 spin_lock_irq(&phba->hbalock);
2495 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
2496 /* FCF rediscovery timer already fired or stopped */
2497 spin_unlock_irq(&phba->hbalock);
2498 return;
2499 }
2500 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
5ac6b303
JS		 2501 /* Clear failover in progress flags */
2502 phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC);
ecfd03c6
JS		 2503 spin_unlock_irq(&phba->hbalock);
2504}
2505
e59058c4 2506/**
3772a991 2507 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
e59058c4
JS		 2508 * @phba: pointer to lpfc hba data structure.
2509 *
2510 * This routine stops all the timers associated with a HBA. This function is
2511 * invoked before either putting a HBA offline or unloading the driver.
2512 **/
3772a991
JS		 2513void
2514lpfc_stop_hba_timers(struct lpfc_hba *phba)
dea3101e 2515{
51ef4c26 2516 lpfc_stop_vport_timers(phba->pport);
2e0fef85 2517 del_timer_sync(&phba->sli.mbox_tmo);
92d7f7b0 2518 del_timer_sync(&phba->fabric_block_timer);
9399627f 2519 del_timer_sync(&phba->eratt_poll);
3772a991 2520 del_timer_sync(&phba->hb_tmofunc);
1151e3ec
JS		 2521 if (phba->sli_rev == LPFC_SLI_REV4) {
2522 del_timer_sync(&phba->rrq_tmr);
2523 phba->hba_flag &= ~HBA_RRQ_ACTIVE;
2524 }
3772a991
JS		 2525 phba->hb_outstanding = 0;
2526
2527 switch (phba->pci_dev_grp) {
2528 case LPFC_PCI_DEV_LP:
2529 /* Stop any LightPulse device specific driver timers */
2530 del_timer_sync(&phba->fcp_poll_timer);
2531 break;
2532 case LPFC_PCI_DEV_OC:
2533 /* Stop any OneConnect device sepcific driver timers */
ecfd03c6 2534 lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
3772a991
JS		 2535 break;
2536 default:
2537 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2538 "0297 Invalid device group (x%x)\n",
2539 phba->pci_dev_grp);
2540 break;
2541 }
2e0fef85 2542 return;
dea3101e 2543}
2544
e59058c4 2545/**
3621a710 2546 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
e59058c4
JS		 2547 * @phba: pointer to lpfc hba data structure.
2548 *
2549 * This routine marks a HBA's management interface as blocked. Once the HBA's
2550 * management interface is marked as blocked, all the user space access to
2551 * the HBA, whether they are from sysfs interface or libdfc interface will
2552 * all be blocked. The HBA is set to block the management interface when the
2553 * driver prepares the HBA interface for online or offline.
2554 **/
a6ababd2 2555static void
618a5230 2556lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action)
a6ababd2
AB		 2557{
2558 unsigned long iflag;
6e7288d9
JS		 2559 uint8_t actcmd = MBX_HEARTBEAT;
2560 unsigned long timeout;
2561
a6ababd2
AB		 2562 spin_lock_irqsave(&phba->hbalock, iflag);
2563 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
618a5230
JS		 2564 spin_unlock_irqrestore(&phba->hbalock, iflag);
2565 if (mbx_action == LPFC_MBX_NO_WAIT)
2566 return;
2567 timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies;
2568 spin_lock_irqsave(&phba->hbalock, iflag);
a183a15f 2569 if (phba->sli.mbox_active) {
6e7288d9 2570 actcmd = phba->sli.mbox_active->u.mb.mbxCommand;
a183a15f
JS		 2571 /* Determine how long we might wait for the active mailbox
2572 * command to be gracefully completed by firmware.
2573 */
2574 timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba,
2575 phba->sli.mbox_active) * 1000) + jiffies;
2576 }
a6ababd2 2577 spin_unlock_irqrestore(&phba->hbalock, iflag);
a183a15f 2578
6e7288d9
JS		 2579 /* Wait for the outstnading mailbox command to complete */
2580 while (phba->sli.mbox_active) {
2581 /* Check active mailbox complete status every 2ms */
2582 msleep(2);
2583 if (time_after(jiffies, timeout)) {
2584 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2585 "2813 Mgmt IO is Blocked %x "
2586 "- mbox cmd %x still active\n",
2587 phba->sli.sli_flag, actcmd);
2588 break;
2589 }
2590 }
a6ababd2
AB		 2591}
2592
6b5151fd
JS		 2593/**
2594 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2595 * @phba: pointer to lpfc hba data structure.
2596 *
2597 * Allocate RPIs for all active remote nodes. This is needed whenever
2598 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2599 * is to fixup the temporary rpi assignments.
2600 **/
2601void
2602lpfc_sli4_node_prep(struct lpfc_hba *phba)
2603{
2604 struct lpfc_nodelist *ndlp, *next_ndlp;
2605 struct lpfc_vport **vports;
2606 int i;
2607
2608 if (phba->sli_rev != LPFC_SLI_REV4)
2609 return;
2610
2611 vports = lpfc_create_vport_work_array(phba);
2612 if (vports != NULL) {
2613 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2614 if (vports[i]->load_flag & FC_UNLOADING)
2615 continue;
2616
2617 list_for_each_entry_safe(ndlp, next_ndlp,
2618 &vports[i]->fc_nodes,
2619 nlp_listp) {
2620 if (NLP_CHK_NODE_ACT(ndlp))
2621 ndlp->nlp_rpi =
2622 lpfc_sli4_alloc_rpi(phba);
2623 }
2624 }
2625 }
2626 lpfc_destroy_vport_work_array(phba, vports);
2627}
2628
e59058c4 2629/**
3621a710 2630 * lpfc_online - Initialize and bring a HBA online
e59058c4
JS		 2631 * @phba: pointer to lpfc hba data structure.
2632 *
2633 * This routine initializes the HBA and brings a HBA online. During this
2634 * process, the management interface is blocked to prevent user space access
2635 * to the HBA interfering with the driver initialization.
2636 *
2637 * Return codes
2638 * 0 - successful
2639 * 1 - failed
2640 **/
dea3101e 2641int
2e0fef85 2642lpfc_online(struct lpfc_hba *phba)
dea3101e 2643{
372bd282 2644 struct lpfc_vport *vport;
549e55cd
JS		 2645 struct lpfc_vport **vports;
2646 int i;
16a3a208 2647 bool vpis_cleared = false;
2e0fef85 2648
dea3101e 2649 if (!phba)
2650 return 0;
372bd282 2651 vport = phba->pport;
dea3101e 2652
2e0fef85 2653 if (!(vport->fc_flag & FC_OFFLINE_MODE))
dea3101e 2654 return 0;
2655
ed957684 2656 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 2657 "0458 Bring Adapter online\n");
dea3101e 2658
618a5230 2659 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
46fa311e
JS		 2660
2661 if (!lpfc_sli_queue_setup(phba)) {
2662 lpfc_unblock_mgmt_io(phba);
dea3101e 2663 return 1;
46fa311e 2664 }
dea3101e 2665
da0436e9
JS		 2666 if (phba->sli_rev == LPFC_SLI_REV4) {
2667 if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */
2668 lpfc_unblock_mgmt_io(phba);
2669 return 1;
2670 }
16a3a208
JS		 2671 spin_lock_irq(&phba->hbalock);
2672 if (!phba->sli4_hba.max_cfg_param.vpi_used)
2673 vpis_cleared = true;
2674 spin_unlock_irq(&phba->hbalock);
da0436e9
JS		 2675 } else {
2676 if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */
2677 lpfc_unblock_mgmt_io(phba);
2678 return 1;
2679 }
46fa311e 2680 }
dea3101e 2681
549e55cd
JS		 2682 vports = lpfc_create_vport_work_array(phba);
2683 if (vports != NULL)
da0436e9 2684 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
549e55cd
JS		 2685 struct Scsi_Host *shost;
2686 shost = lpfc_shost_from_vport(vports[i]);
2687 spin_lock_irq(shost->host_lock);
2688 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
2689 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
2690 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
16a3a208 2691 if (phba->sli_rev == LPFC_SLI_REV4) {
1c6834a7 2692 vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
16a3a208
JS		 2693 if ((vpis_cleared) &&
2694 (vports[i]->port_type !=
2695 LPFC_PHYSICAL_PORT))
2696 vports[i]->vpi = 0;
2697 }
549e55cd
JS		 2698 spin_unlock_irq(shost->host_lock);
2699 }
09372820 2700 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2701
46fa311e 2702 lpfc_unblock_mgmt_io(phba);
dea3101e 2703 return 0;
2704}
2705
e59058c4 2706/**
3621a710 2707 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
e59058c4
JS		 2708 * @phba: pointer to lpfc hba data structure.
2709 *
2710 * This routine marks a HBA's management interface as not blocked. Once the
2711 * HBA's management interface is marked as not blocked, all the user space
2712 * access to the HBA, whether they are from sysfs interface or libdfc
2713 * interface will be allowed. The HBA is set to block the management interface
2714 * when the driver prepares the HBA interface for online or offline and then
2715 * set to unblock the management interface afterwards.
2716 **/
46fa311e
JS		 2717void
2718lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
2719{
2720 unsigned long iflag;
2721
2e0fef85
JS		 2722 spin_lock_irqsave(&phba->hbalock, iflag);
2723 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
2724 spin_unlock_irqrestore(&phba->hbalock, iflag);
46fa311e
JS		 2725}
2726
e59058c4 2727/**
3621a710 2728 * lpfc_offline_prep - Prepare a HBA to be brought offline
e59058c4
JS		 2729 * @phba: pointer to lpfc hba data structure.
2730 *
2731 * This routine is invoked to prepare a HBA to be brought offline. It performs
2732 * unregistration login to all the nodes on all vports and flushes the mailbox
2733 * queue to make it ready to be brought offline.
2734 **/
46fa311e 2735void
618a5230 2736lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action)
46fa311e 2737{
2e0fef85 2738 struct lpfc_vport *vport = phba->pport;
46fa311e 2739 struct lpfc_nodelist *ndlp, *next_ndlp;
87af33fe 2740 struct lpfc_vport **vports;
72100cc4 2741 struct Scsi_Host *shost;
87af33fe 2742 int i;
dea3101e 2743
2e0fef85 2744 if (vport->fc_flag & FC_OFFLINE_MODE)
46fa311e 2745 return;
dea3101e 2746
618a5230 2747 lpfc_block_mgmt_io(phba, mbx_action);
dea3101e 2748
2749 lpfc_linkdown(phba);
2750
87af33fe
JS		 2751 /* Issue an unreg_login to all nodes on all vports */
2752 vports = lpfc_create_vport_work_array(phba);
2753 if (vports != NULL) {
da0436e9 2754 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
a8adb832
JS		 2755 if (vports[i]->load_flag & FC_UNLOADING)
2756 continue;
72100cc4
JS		 2757 shost = lpfc_shost_from_vport(vports[i]);
2758 spin_lock_irq(shost->host_lock);
c868595d 2759 vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED;
695a814e
JS		 2760 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
2761 vports[i]->fc_flag &= ~FC_VFI_REGISTERED;
72100cc4 2762 spin_unlock_irq(shost->host_lock);
695a814e 2763
87af33fe
JS		 2764 shost = lpfc_shost_from_vport(vports[i]);
2765 list_for_each_entry_safe(ndlp, next_ndlp,
2766 &vports[i]->fc_nodes,
2767 nlp_listp) {
e47c9093
JS		 2768 if (!NLP_CHK_NODE_ACT(ndlp))
2769 continue;
87af33fe
JS		 2770 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
2771 continue;
2772 if (ndlp->nlp_type & NLP_FABRIC) {
2773 lpfc_disc_state_machine(vports[i], ndlp,
2774 NULL, NLP_EVT_DEVICE_RECOVERY);
2775 lpfc_disc_state_machine(vports[i], ndlp,
2776 NULL, NLP_EVT_DEVICE_RM);
2777 }
2778 spin_lock_irq(shost->host_lock);
2779 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
401ee0c1 2780 spin_unlock_irq(shost->host_lock);
6b5151fd
JS		 2781 /*
2782 * Whenever an SLI4 port goes offline, free the
401ee0c1
JS		 2783 * RPI. Get a new RPI when the adapter port
2784 * comes back online.
6b5151fd
JS		 2785 */
2786 if (phba->sli_rev == LPFC_SLI_REV4)
2787 lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi);
87af33fe
JS		 2788 lpfc_unreg_rpi(vports[i], ndlp);
2789 }
2790 }
2791 }
09372820 2792 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2793
618a5230 2794 lpfc_sli_mbox_sys_shutdown(phba, mbx_action);
46fa311e
JS		 2795}
2796
e59058c4 2797/**
3621a710 2798 * lpfc_offline - Bring a HBA offline
e59058c4
JS		 2799 * @phba: pointer to lpfc hba data structure.
2800 *
2801 * This routine actually brings a HBA offline. It stops all the timers
2802 * associated with the HBA, brings down the SLI layer, and eventually
2803 * marks the HBA as in offline state for the upper layer protocol.
2804 **/
46fa311e 2805void
2e0fef85 2806lpfc_offline(struct lpfc_hba *phba)
46fa311e 2807{
549e55cd
JS		 2808 struct Scsi_Host *shost;
2809 struct lpfc_vport **vports;
2810 int i;
46fa311e 2811
549e55cd 2812 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
46fa311e 2813 return;
688a8863 2814
da0436e9
JS		 2815 /* stop port and all timers associated with this hba */
2816 lpfc_stop_port(phba);
51ef4c26
JS		 2817 vports = lpfc_create_vport_work_array(phba);
2818 if (vports != NULL)
da0436e9 2819 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
51ef4c26 2820 lpfc_stop_vport_timers(vports[i]);
09372820 2821 lpfc_destroy_vport_work_array(phba, vports);
92d7f7b0 2822 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 2823 "0460 Bring Adapter offline\n");
dea3101e 2824 /* Bring down the SLI Layer and cleanup. The HBA is offline
2825 now. */
2826 lpfc_sli_hba_down(phba);
92d7f7b0 2827 spin_lock_irq(&phba->hbalock);
7054a606 2828 phba->work_ha = 0;
92d7f7b0 2829 spin_unlock_irq(&phba->hbalock);
549e55cd
JS		 2830 vports = lpfc_create_vport_work_array(phba);
2831 if (vports != NULL)
da0436e9 2832 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
549e55cd 2833 shost = lpfc_shost_from_vport(vports[i]);
549e55cd
JS		 2834 spin_lock_irq(shost->host_lock);
2835 vports[i]->work_port_events = 0;
2836 vports[i]->fc_flag |= FC_OFFLINE_MODE;
2837 spin_unlock_irq(shost->host_lock);
2838 }
09372820 2839 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2840}
2841
e59058c4 2842/**
3621a710 2843 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
e59058c4
JS		 2844 * @phba: pointer to lpfc hba data structure.
2845 *
2846 * This routine is to free all the SCSI buffers and IOCBs from the driver
2847 * list back to kernel. It is called from lpfc_pci_remove_one to free
2848 * the internal resources before the device is removed from the system.
e59058c4 2849 **/
8a9d2e80 2850static void
2e0fef85 2851lpfc_scsi_free(struct lpfc_hba *phba)
dea3101e 2852{
2853 struct lpfc_scsi_buf *sb, *sb_next;
2854 struct lpfc_iocbq *io, *io_next;
2855
2e0fef85 2856 spin_lock_irq(&phba->hbalock);
dea3101e 2857 /* Release all the lpfc_scsi_bufs maintained by this host. */
1c6f4ef5 2858 spin_lock(&phba->scsi_buf_list_lock);
dea3101e 2859 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
2860 list_del(&sb->list);
2861 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
92d7f7b0 2862 sb->dma_handle);
dea3101e 2863 kfree(sb);
2864 phba->total_scsi_bufs--;
2865 }
1c6f4ef5 2866 spin_unlock(&phba->scsi_buf_list_lock);
dea3101e 2867
2868 /* Release all the lpfc_iocbq entries maintained by this host. */
2869 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
2870 list_del(&io->list);
2871 kfree(io);
2872 phba->total_iocbq_bufs--;
2873 }
6d368e53 2874
2e0fef85 2875 spin_unlock_irq(&phba->hbalock);
8a9d2e80
JS		 2876}
2877
2878/**
2879 * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping
2880 * @phba: pointer to lpfc hba data structure.
2881 *
2882 * This routine first calculates the sizes of the current els and allocated
2883 * scsi sgl lists, and then goes through all sgls to updates the physical
2884 * XRIs assigned due to port function reset. During port initialization, the
2885 * current els and allocated scsi sgl lists are 0s.
2886 *
2887 * Return codes
2888 * 0 - successful (for now, it always returns 0)
2889 **/
2890int
2891lpfc_sli4_xri_sgl_update(struct lpfc_hba *phba)
2892{
2893 struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL;
2894 struct lpfc_scsi_buf *psb = NULL, *psb_next = NULL;
2895 uint16_t i, lxri, xri_cnt, els_xri_cnt, scsi_xri_cnt;
2896 LIST_HEAD(els_sgl_list);
2897 LIST_HEAD(scsi_sgl_list);
2898 int rc;
2899
2900 /*
2901 * update on pci function's els xri-sgl list
2902 */
2903 els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
2904 if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) {
2905 /* els xri-sgl expanded */
2906 xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt;
2907 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2908 "3157 ELS xri-sgl count increased from "
2909 "%d to %d\n", phba->sli4_hba.els_xri_cnt,
2910 els_xri_cnt);
2911 /* allocate the additional els sgls */
2912 for (i = 0; i < xri_cnt; i++) {
2913 sglq_entry = kzalloc(sizeof(struct lpfc_sglq),
2914 GFP_KERNEL);
2915 if (sglq_entry == NULL) {
2916 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2917 "2562 Failure to allocate an "
2918 "ELS sgl entry:%d\n", i);
2919 rc = -ENOMEM;
2920 goto out_free_mem;
2921 }
2922 sglq_entry->buff_type = GEN_BUFF_TYPE;
2923 sglq_entry->virt = lpfc_mbuf_alloc(phba, 0,
2924 &sglq_entry->phys);
2925 if (sglq_entry->virt == NULL) {
2926 kfree(sglq_entry);
2927 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2928 "2563 Failure to allocate an "
2929 "ELS mbuf:%d\n", i);
2930 rc = -ENOMEM;
2931 goto out_free_mem;
2932 }
2933 sglq_entry->sgl = sglq_entry->virt;
2934 memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE);
2935 sglq_entry->state = SGL_FREED;
2936 list_add_tail(&sglq_entry->list, &els_sgl_list);
2937 }
38c20673 2938 spin_lock_irq(&phba->hbalock);
8a9d2e80 2939 list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
38c20673 2940 spin_unlock_irq(&phba->hbalock);
8a9d2e80
JS		 2941 } else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) {
2942 /* els xri-sgl shrinked */
2943 xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt;
2944 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2945 "3158 ELS xri-sgl count decreased from "
2946 "%d to %d\n", phba->sli4_hba.els_xri_cnt,
2947 els_xri_cnt);
2948 spin_lock_irq(&phba->hbalock);
2949 list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &els_sgl_list);
2950 spin_unlock_irq(&phba->hbalock);
2951 /* release extra els sgls from list */
2952 for (i = 0; i < xri_cnt; i++) {
2953 list_remove_head(&els_sgl_list,
2954 sglq_entry, struct lpfc_sglq, list);
2955 if (sglq_entry) {
2956 lpfc_mbuf_free(phba, sglq_entry->virt,
2957 sglq_entry->phys);
2958 kfree(sglq_entry);
2959 }
2960 }
2961 spin_lock_irq(&phba->hbalock);
2962 list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
2963 spin_unlock_irq(&phba->hbalock);
2964 } else
2965 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2966 "3163 ELS xri-sgl count unchanged: %d\n",
2967 els_xri_cnt);
2968 phba->sli4_hba.els_xri_cnt = els_xri_cnt;
2969
2970 /* update xris to els sgls on the list */
2971 sglq_entry = NULL;
2972 sglq_entry_next = NULL;
2973 list_for_each_entry_safe(sglq_entry, sglq_entry_next,
2974 &phba->sli4_hba.lpfc_sgl_list, list) {
2975 lxri = lpfc_sli4_next_xritag(phba);
2976 if (lxri == NO_XRI) {
2977 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2978 "2400 Failed to allocate xri for "
2979 "ELS sgl\n");
2980 rc = -ENOMEM;
2981 goto out_free_mem;
2982 }
2983 sglq_entry->sli4_lxritag = lxri;
2984 sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri];
2985 }
2986
2987 /*
2988 * update on pci function's allocated scsi xri-sgl list
2989 */
2990 phba->total_scsi_bufs = 0;
2991
2992 /* maximum number of xris available for scsi buffers */
2993 phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri -
2994 els_xri_cnt;
2995
2996 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2997 "2401 Current allocated SCSI xri-sgl count:%d, "
2998 "maximum SCSI xri count:%d\n",
2999 phba->sli4_hba.scsi_xri_cnt,
3000 phba->sli4_hba.scsi_xri_max);
3001
3002 spin_lock_irq(&phba->scsi_buf_list_lock);
3003 list_splice_init(&phba->lpfc_scsi_buf_list, &scsi_sgl_list);
3004 spin_unlock_irq(&phba->scsi_buf_list_lock);
3005
3006 if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) {
3007 /* max scsi xri shrinked below the allocated scsi buffers */
3008 scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt -
3009 phba->sli4_hba.scsi_xri_max;
3010 /* release the extra allocated scsi buffers */
3011 for (i = 0; i < scsi_xri_cnt; i++) {
3012 list_remove_head(&scsi_sgl_list, psb,
3013 struct lpfc_scsi_buf, list);
3014 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, psb->data,
3015 psb->dma_handle);
3016 kfree(psb);
3017 }
3018 spin_lock_irq(&phba->scsi_buf_list_lock);
3019 phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt;
3020 spin_unlock_irq(&phba->scsi_buf_list_lock);
3021 }
3022
3023 /* update xris associated to remaining allocated scsi buffers */
3024 psb = NULL;
3025 psb_next = NULL;
3026 list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) {
3027 lxri = lpfc_sli4_next_xritag(phba);
3028 if (lxri == NO_XRI) {
3029 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3030 "2560 Failed to allocate xri for "
3031 "scsi buffer\n");
3032 rc = -ENOMEM;
3033 goto out_free_mem;
3034 }
3035 psb->cur_iocbq.sli4_lxritag = lxri;
3036 psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri];
3037 }
38c20673 3038 spin_lock_irq(&phba->scsi_buf_list_lock);
8a9d2e80 3039 list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list);
38c20673 3040 spin_unlock_irq(&phba->scsi_buf_list_lock);
8a9d2e80 3041
dea3101e 3042 return 0;
8a9d2e80
JS		 3043
3044out_free_mem:
3045 lpfc_free_els_sgl_list(phba);
3046 lpfc_scsi_free(phba);
3047 return rc;
dea3101e 3048}
3049
e59058c4 3050/**
3621a710 3051 * lpfc_create_port - Create an FC port
e59058c4
JS		 3052 * @phba: pointer to lpfc hba data structure.
3053 * @instance: a unique integer ID to this FC port.
3054 * @dev: pointer to the device data structure.
3055 *
3056 * This routine creates a FC port for the upper layer protocol. The FC port
3057 * can be created on top of either a physical port or a virtual port provided
3058 * by the HBA. This routine also allocates a SCSI host data structure (shost)
3059 * and associates the FC port created before adding the shost into the SCSI
3060 * layer.
3061 *
3062 * Return codes
3063 * @vport - pointer to the virtual N_Port data structure.
3064 * NULL - port create failed.
3065 **/
2e0fef85 3066struct lpfc_vport *
3de2a653 3067lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
47a8617c 3068{
2e0fef85
JS		 3069 struct lpfc_vport *vport;
3070 struct Scsi_Host *shost;
3071 int error = 0;
47a8617c 3072
3de2a653
JS		 3073 if (dev != &phba->pcidev->dev)
3074 shost = scsi_host_alloc(&lpfc_vport_template,
3075 sizeof(struct lpfc_vport));
3076 else
3077 shost = scsi_host_alloc(&lpfc_template,
3078 sizeof(struct lpfc_vport));
2e0fef85
JS		 3079 if (!shost)
3080 goto out;
47a8617c 3081
2e0fef85
JS		 3082 vport = (struct lpfc_vport *) shost->hostdata;
3083 vport->phba = phba;
2e0fef85 3084 vport->load_flag |= FC_LOADING;
92d7f7b0 3085 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
7f5f3d0d 3086 vport->fc_rscn_flush = 0;
47a8617c 3087
3de2a653 3088 lpfc_get_vport_cfgparam(vport);
2e0fef85
JS		 3089 shost->unique_id = instance;
3090 shost->max_id = LPFC_MAX_TARGET;
3de2a653 3091 shost->max_lun = vport->cfg_max_luns;
2e0fef85
JS		 3092 shost->this_id = -1;
3093 shost->max_cmd_len = 16;
da0436e9 3094 if (phba->sli_rev == LPFC_SLI_REV4) {
28baac74 3095 shost->dma_boundary =
cb5172ea 3096 phba->sli4_hba.pc_sli4_params.sge_supp_len-1;
da0436e9
JS		 3097 shost->sg_tablesize = phba->cfg_sg_seg_cnt;
3098 }
81301a9b 3099
47a8617c 3100 /*
2e0fef85
JS		 3101 * Set initial can_queue value since 0 is no longer supported and
3102 * scsi_add_host will fail. This will be adjusted later based on the
3103 * max xri value determined in hba setup.
47a8617c 3104 */
2e0fef85 3105 shost->can_queue = phba->cfg_hba_queue_depth - 10;
3de2a653 3106 if (dev != &phba->pcidev->dev) {
92d7f7b0
JS		 3107 shost->transportt = lpfc_vport_transport_template;
3108 vport->port_type = LPFC_NPIV_PORT;
3109 } else {
3110 shost->transportt = lpfc_transport_template;
3111 vport->port_type = LPFC_PHYSICAL_PORT;
3112 }
47a8617c 3113
2e0fef85
JS		 3114 /* Initialize all internally managed lists. */
3115 INIT_LIST_HEAD(&vport->fc_nodes);
da0436e9 3116 INIT_LIST_HEAD(&vport->rcv_buffer_list);
2e0fef85 3117 spin_lock_init(&vport->work_port_lock);
47a8617c 3118
2e0fef85
JS		 3119 init_timer(&vport->fc_disctmo);
3120 vport->fc_disctmo.function = lpfc_disc_timeout;
92d7f7b0 3121 vport->fc_disctmo.data = (unsigned long)vport;
47a8617c 3122
2e0fef85
JS		 3123 init_timer(&vport->fc_fdmitmo);
3124 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
92d7f7b0 3125 vport->fc_fdmitmo.data = (unsigned long)vport;
47a8617c 3126
2e0fef85
JS		 3127 init_timer(&vport->els_tmofunc);
3128 vport->els_tmofunc.function = lpfc_els_timeout;
92d7f7b0 3129 vport->els_tmofunc.data = (unsigned long)vport;
92494144
JS		 3130
3131 init_timer(&vport->delayed_disc_tmo);
3132 vport->delayed_disc_tmo.function = lpfc_delayed_disc_tmo;
3133 vport->delayed_disc_tmo.data = (unsigned long)vport;
3134
d139b9bd 3135 error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
2e0fef85
JS		 3136 if (error)
3137 goto out_put_shost;
47a8617c 3138
549e55cd 3139 spin_lock_irq(&phba->hbalock);
2e0fef85 3140 list_add_tail(&vport->listentry, &phba->port_list);
549e55cd 3141 spin_unlock_irq(&phba->hbalock);
2e0fef85 3142 return vport;
47a8617c 3143
2e0fef85
JS		 3144out_put_shost:
3145 scsi_host_put(shost);
3146out:
3147 return NULL;
47a8617c
JS		 3148}
3149
e59058c4 3150/**
3621a710 3151 * destroy_port - destroy an FC port
e59058c4
JS		 3152 * @vport: pointer to an lpfc virtual N_Port data structure.
3153 *
3154 * This routine destroys a FC port from the upper layer protocol. All the
3155 * resources associated with the port are released.
3156 **/
2e0fef85
JS		 3157void
3158destroy_port(struct lpfc_vport *vport)
47a8617c 3159{
92d7f7b0
JS		 3160 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3161 struct lpfc_hba *phba = vport->phba;
47a8617c 3162
858c9f6c 3163 lpfc_debugfs_terminate(vport);
92d7f7b0
JS		 3164 fc_remove_host(shost);
3165 scsi_remove_host(shost);
47a8617c 3166
92d7f7b0
JS		 3167 spin_lock_irq(&phba->hbalock);
3168 list_del_init(&vport->listentry);
3169 spin_unlock_irq(&phba->hbalock);
47a8617c 3170
92d7f7b0 3171 lpfc_cleanup(vport);
47a8617c 3172 return;
47a8617c
JS		 3173}
3174
e59058c4 3175/**
3621a710 3176 * lpfc_get_instance - Get a unique integer ID
e59058c4
JS		 3177 *
3178 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
3179 * uses the kernel idr facility to perform the task.
3180 *
3181 * Return codes:
3182 * instance - a unique integer ID allocated as the new instance.
3183 * -1 - lpfc get instance failed.
3184 **/
92d7f7b0
JS		 3185int
3186lpfc_get_instance(void)
3187{
ab516036
TH		 3188 int ret;
3189
3190 ret = idr_alloc(&lpfc_hba_index, NULL, 0, 0, GFP_KERNEL);
3191 return ret < 0 ? -1 : ret;
47a8617c
JS		 3192}
3193
e59058c4 3194/**
3621a710 3195 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
e59058c4
JS		 3196 * @shost: pointer to SCSI host data structure.
3197 * @time: elapsed time of the scan in jiffies.
3198 *
3199 * This routine is called by the SCSI layer with a SCSI host to determine
3200 * whether the scan host is finished.
3201 *
3202 * Note: there is no scan_start function as adapter initialization will have
3203 * asynchronously kicked off the link initialization.
3204 *
3205 * Return codes
3206 * 0 - SCSI host scan is not over yet.
3207 * 1 - SCSI host scan is over.
3208 **/
47a8617c
JS		 3209int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
3210{
2e0fef85
JS		 3211 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3212 struct lpfc_hba *phba = vport->phba;
858c9f6c 3213 int stat = 0;
47a8617c 3214
858c9f6c
JS		 3215 spin_lock_irq(shost->host_lock);
3216
51ef4c26 3217 if (vport->load_flag & FC_UNLOADING) {
858c9f6c
JS		 3218 stat = 1;
3219 goto finished;
3220 }
256ec0d0 3221 if (time >= msecs_to_jiffies(30 * 1000)) {
2e0fef85 3222 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 3223 "0461 Scanning longer than 30 "
3224 "seconds. Continuing initialization\n");
858c9f6c 3225 stat = 1;
47a8617c 3226 goto finished;
2e0fef85 3227 }
256ec0d0
JS		 3228 if (time >= msecs_to_jiffies(15 * 1000) &&
3229 phba->link_state <= LPFC_LINK_DOWN) {
2e0fef85 3230 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 3231 "0465 Link down longer than 15 "
3232 "seconds. Continuing initialization\n");
858c9f6c 3233 stat = 1;
47a8617c 3234 goto finished;
2e0fef85 3235 }
47a8617c 3236
2e0fef85 3237 if (vport->port_state != LPFC_VPORT_READY)
858c9f6c 3238 goto finished;
2e0fef85 3239 if (vport->num_disc_nodes || vport->fc_prli_sent)
858c9f6c 3240 goto finished;
256ec0d0 3241 if (vport->fc_map_cnt == 0 && time < msecs_to_jiffies(2 * 1000))
858c9f6c 3242 goto finished;
2e0fef85 3243 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
858c9f6c
JS		 3244 goto finished;
3245
3246 stat = 1;
47a8617c
JS		 3247
3248finished:
858c9f6c
JS		 3249 spin_unlock_irq(shost->host_lock);
3250 return stat;
92d7f7b0 3251}
47a8617c 3252
e59058c4 3253/**
3621a710 3254 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
e59058c4
JS		 3255 * @shost: pointer to SCSI host data structure.
3256 *
3257 * This routine initializes a given SCSI host attributes on a FC port. The
3258 * SCSI host can be either on top of a physical port or a virtual port.
3259 **/
92d7f7b0
JS		 3260void lpfc_host_attrib_init(struct Scsi_Host *shost)
3261{
3262 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3263 struct lpfc_hba *phba = vport->phba;
47a8617c 3264 /*
2e0fef85 3265 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
47a8617c
JS		 3266 */
3267
2e0fef85
JS		 3268 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
3269 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
47a8617c
JS		 3270 fc_host_supported_classes(shost) = FC_COS_CLASS3;
3271
3272 memset(fc_host_supported_fc4s(shost), 0,
2e0fef85 3273 sizeof(fc_host_supported_fc4s(shost)));
47a8617c
JS		 3274 fc_host_supported_fc4s(shost)[2] = 1;
3275 fc_host_supported_fc4s(shost)[7] = 1;
3276
92d7f7b0
JS		 3277 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
3278 sizeof fc_host_symbolic_name(shost));
47a8617c
JS		 3279
3280 fc_host_supported_speeds(shost) = 0;
88a2cfbb
JS		 3281 if (phba->lmt & LMT_16Gb)
3282 fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT;
47a8617c
JS		 3283 if (phba->lmt & LMT_10Gb)
3284 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
a8adb832
JS		 3285 if (phba->lmt & LMT_8Gb)
3286 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
47a8617c
JS		 3287 if (phba->lmt & LMT_4Gb)
3288 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
3289 if (phba->lmt & LMT_2Gb)
3290 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
3291 if (phba->lmt & LMT_1Gb)
3292 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
3293
3294 fc_host_maxframe_size(shost) =
2e0fef85
JS		 3295 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
3296 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
47a8617c 3297
0af5d708
MC		 3298 fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo;
3299
47a8617c
JS		 3300 /* This value is also unchanging */
3301 memset(fc_host_active_fc4s(shost), 0,
2e0fef85 3302 sizeof(fc_host_active_fc4s(shost)));
47a8617c
JS		 3303 fc_host_active_fc4s(shost)[2] = 1;
3304 fc_host_active_fc4s(shost)[7] = 1;
3305
92d7f7b0 3306 fc_host_max_npiv_vports(shost) = phba->max_vpi;
47a8617c 3307 spin_lock_irq(shost->host_lock);
51ef4c26 3308 vport->load_flag &= ~FC_LOADING;
47a8617c 3309 spin_unlock_irq(shost->host_lock);
47a8617c 3310}
dea3101e 3311
e59058c4 3312/**
da0436e9 3313 * lpfc_stop_port_s3 - Stop SLI3 device port
e59058c4
JS		 3314 * @phba: pointer to lpfc hba data structure.
3315 *
da0436e9
JS		 3316 * This routine is invoked to stop an SLI3 device port, it stops the device
3317 * from generating interrupts and stops the device driver's timers for the
3318 * device.
e59058c4 3319 **/
da0436e9
JS		 3320static void
3321lpfc_stop_port_s3(struct lpfc_hba *phba)
db2378e0 3322{
da0436e9
JS		 3323 /* Clear all interrupt enable conditions */
3324 writel(0, phba->HCregaddr);
3325 readl(phba->HCregaddr); /* flush */
3326 /* Clear all pending interrupts */
3327 writel(0xffffffff, phba->HAregaddr);
3328 readl(phba->HAregaddr); /* flush */
db2378e0 3329
da0436e9
JS		 3330 /* Reset some HBA SLI setup states */
3331 lpfc_stop_hba_timers(phba);
3332 phba->pport->work_port_events = 0;
3333}
db2378e0 3334
da0436e9
JS		 3335/**
3336 * lpfc_stop_port_s4 - Stop SLI4 device port
3337 * @phba: pointer to lpfc hba data structure.
3338 *
3339 * This routine is invoked to stop an SLI4 device port, it stops the device
3340 * from generating interrupts and stops the device driver's timers for the
3341 * device.
3342 **/
3343static void
3344lpfc_stop_port_s4(struct lpfc_hba *phba)
3345{
3346 /* Reset some HBA SLI4 setup states */
3347 lpfc_stop_hba_timers(phba);
3348 phba->pport->work_port_events = 0;
3349 phba->sli4_hba.intr_enable = 0;
da0436e9 3350}
9399627f 3351
da0436e9
JS		 3352/**
3353 * lpfc_stop_port - Wrapper function for stopping hba port
3354 * @phba: Pointer to HBA context object.
3355 *
3356 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3357 * the API jump table function pointer from the lpfc_hba struct.
3358 **/
3359void
3360lpfc_stop_port(struct lpfc_hba *phba)
3361{
3362 phba->lpfc_stop_port(phba);
3363}
db2378e0 3364
ecfd03c6
JS		 3365/**
3366 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3367 * @phba: Pointer to hba for which this call is being executed.
3368 *
3369 * This routine starts the timer waiting for the FCF rediscovery to complete.
3370 **/
3371void
3372lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba)
3373{
3374 unsigned long fcf_redisc_wait_tmo =
3375 (jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO));
3376 /* Start fcf rediscovery wait period timer */
3377 mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo);
3378 spin_lock_irq(&phba->hbalock);
3379 /* Allow action to new fcf asynchronous event */
3380 phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
3381 /* Mark the FCF rediscovery pending state */
3382 phba->fcf.fcf_flag |= FCF_REDISC_PEND;
3383 spin_unlock_irq(&phba->hbalock);
3384}
3385
3386/**
3387 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3388 * @ptr: Map to lpfc_hba data structure pointer.
3389 *
3390 * This routine is invoked when waiting for FCF table rediscover has been
3391 * timed out. If new FCF record(s) has (have) been discovered during the
3392 * wait period, a new FCF event shall be added to the FCOE async event
3393 * list, and then worker thread shall be waked up for processing from the
3394 * worker thread context.
3395 **/
3396void
3397lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr)
3398{
3399 struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
3400
3401 /* Don't send FCF rediscovery event if timer cancelled */
3402 spin_lock_irq(&phba->hbalock);
3403 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
3404 spin_unlock_irq(&phba->hbalock);
3405 return;
3406 }
3407 /* Clear FCF rediscovery timer pending flag */
3408 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
3409 /* FCF rediscovery event to worker thread */
3410 phba->fcf.fcf_flag |= FCF_REDISC_EVT;
3411 spin_unlock_irq(&phba->hbalock);
0c9ab6f5 3412 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
a93ff37a 3413 "2776 FCF rediscover quiescent timer expired\n");
ecfd03c6
JS		 3414 /* wake up worker thread */
3415 lpfc_worker_wake_up(phba);
3416}
3417
e59058c4 3418/**
da0436e9 3419 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
e59058c4 3420 * @phba: pointer to lpfc hba data structure.
da0436e9 3421 * @acqe_link: pointer to the async link completion queue entry.
e59058c4 3422 *
da0436e9
JS		 3423 * This routine is to parse the SLI4 link-attention link fault code and
3424 * translate it into the base driver's read link attention mailbox command
3425 * status.
3426 *
3427 * Return: Link-attention status in terms of base driver's coding.
e59058c4 3428 **/
da0436e9
JS		 3429static uint16_t
3430lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba,
3431 struct lpfc_acqe_link *acqe_link)
db2378e0 3432{
da0436e9 3433 uint16_t latt_fault;
9399627f 3434
da0436e9
JS		 3435 switch (bf_get(lpfc_acqe_link_fault, acqe_link)) {
3436 case LPFC_ASYNC_LINK_FAULT_NONE:
3437 case LPFC_ASYNC_LINK_FAULT_LOCAL:
3438 case LPFC_ASYNC_LINK_FAULT_REMOTE:
3439 latt_fault = 0;
3440 break;
3441 default:
3442 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3443 "0398 Invalid link fault code: x%x\n",
3444 bf_get(lpfc_acqe_link_fault, acqe_link));
3445 latt_fault = MBXERR_ERROR;
3446 break;
3447 }
3448 return latt_fault;
db2378e0
JS		 3449}
3450
5b75da2f 3451/**
da0436e9 3452 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
5b75da2f 3453 * @phba: pointer to lpfc hba data structure.
da0436e9 3454 * @acqe_link: pointer to the async link completion queue entry.
5b75da2f 3455 *
da0436e9
JS		 3456 * This routine is to parse the SLI4 link attention type and translate it
3457 * into the base driver's link attention type coding.
5b75da2f 3458 *
da0436e9
JS		 3459 * Return: Link attention type in terms of base driver's coding.
3460 **/
3461static uint8_t
3462lpfc_sli4_parse_latt_type(struct lpfc_hba *phba,
3463 struct lpfc_acqe_link *acqe_link)
5b75da2f 3464{
da0436e9 3465 uint8_t att_type;
5b75da2f 3466
da0436e9
JS		 3467 switch (bf_get(lpfc_acqe_link_status, acqe_link)) {
3468 case LPFC_ASYNC_LINK_STATUS_DOWN:
3469 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN:
76a95d75 3470 att_type = LPFC_ATT_LINK_DOWN;
da0436e9
JS		 3471 break;
3472 case LPFC_ASYNC_LINK_STATUS_UP:
3473 /* Ignore physical link up events - wait for logical link up */
76a95d75 3474 att_type = LPFC_ATT_RESERVED;
da0436e9
JS		 3475 break;
3476 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP:
76a95d75 3477 att_type = LPFC_ATT_LINK_UP;
da0436e9
JS		 3478 break;
3479 default:
3480 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3481 "0399 Invalid link attention type: x%x\n",
3482 bf_get(lpfc_acqe_link_status, acqe_link));
76a95d75 3483 att_type = LPFC_ATT_RESERVED;
da0436e9 3484 break;
5b75da2f 3485 }
da0436e9 3486 return att_type;
5b75da2f
JS		 3487}
3488
3489/**
da0436e9 3490 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
5b75da2f 3491 * @phba: pointer to lpfc hba data structure.
da0436e9 3492 * @acqe_link: pointer to the async link completion queue entry.
5b75da2f 3493 *
da0436e9
JS		 3494 * This routine is to parse the SLI4 link-attention link speed and translate
3495 * it into the base driver's link-attention link speed coding.
3496 *
3497 * Return: Link-attention link speed in terms of base driver's coding.
3498 **/
3499static uint8_t
3500lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba,
3501 struct lpfc_acqe_link *acqe_link)
5b75da2f 3502{
da0436e9
JS		 3503 uint8_t link_speed;
3504
3505 switch (bf_get(lpfc_acqe_link_speed, acqe_link)) {
3506 case LPFC_ASYNC_LINK_SPEED_ZERO:
da0436e9 3507 case LPFC_ASYNC_LINK_SPEED_10MBPS:
da0436e9 3508 case LPFC_ASYNC_LINK_SPEED_100MBPS:
76a95d75 3509 link_speed = LPFC_LINK_SPEED_UNKNOWN;
da0436e9
JS		 3510 break;
3511 case LPFC_ASYNC_LINK_SPEED_1GBPS:
76a95d75 3512 link_speed = LPFC_LINK_SPEED_1GHZ;
da0436e9
JS		 3513 break;
3514 case LPFC_ASYNC_LINK_SPEED_10GBPS:
76a95d75 3515 link_speed = LPFC_LINK_SPEED_10GHZ;
da0436e9
JS		 3516 break;
3517 default:
3518 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3519 "0483 Invalid link-attention link speed: x%x\n",
3520 bf_get(lpfc_acqe_link_speed, acqe_link));
76a95d75 3521 link_speed = LPFC_LINK_SPEED_UNKNOWN;
da0436e9
JS		 3522 break;
3523 }
3524 return link_speed;
3525}
3526
8b68cd52
JS		 3527/**
3528 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
3529 * @phba: pointer to lpfc hba data structure.
3530 *
3531 * This routine is to get an SLI3 FC port's link speed in Mbps.
3532 *
3533 * Return: link speed in terms of Mbps.
3534 **/
3535uint32_t
3536lpfc_sli_port_speed_get(struct lpfc_hba *phba)
3537{
3538 uint32_t link_speed;
3539
3540 if (!lpfc_is_link_up(phba))
3541 return 0;
3542
3543 switch (phba->fc_linkspeed) {
3544 case LPFC_LINK_SPEED_1GHZ:
3545 link_speed = 1000;
3546 break;
3547 case LPFC_LINK_SPEED_2GHZ:
3548 link_speed = 2000;
3549 break;
3550 case LPFC_LINK_SPEED_4GHZ:
3551 link_speed = 4000;
3552 break;
3553 case LPFC_LINK_SPEED_8GHZ:
3554 link_speed = 8000;
3555 break;
3556 case LPFC_LINK_SPEED_10GHZ:
3557 link_speed = 10000;
3558 break;
3559 case LPFC_LINK_SPEED_16GHZ:
3560 link_speed = 16000;
3561 break;
3562 default:
3563 link_speed = 0;
3564 }
3565 return link_speed;
3566}
3567
3568/**
3569 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
3570 * @phba: pointer to lpfc hba data structure.
3571 * @evt_code: asynchronous event code.
3572 * @speed_code: asynchronous event link speed code.
3573 *
3574 * This routine is to parse the giving SLI4 async event link speed code into
3575 * value of Mbps for the link speed.
3576 *
3577 * Return: link speed in terms of Mbps.
3578 **/
3579static uint32_t
3580lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code,
3581 uint8_t speed_code)
3582{
3583 uint32_t port_speed;
3584
3585 switch (evt_code) {
3586 case LPFC_TRAILER_CODE_LINK:
3587 switch (speed_code) {
3588 case LPFC_EVT_CODE_LINK_NO_LINK:
3589 port_speed = 0;
3590 break;
3591 case LPFC_EVT_CODE_LINK_10_MBIT:
3592 port_speed = 10;
3593 break;
3594 case LPFC_EVT_CODE_LINK_100_MBIT:
3595 port_speed = 100;
3596 break;
3597 case LPFC_EVT_CODE_LINK_1_GBIT:
3598 port_speed = 1000;
3599 break;
3600 case LPFC_EVT_CODE_LINK_10_GBIT:
3601 port_speed = 10000;
3602 break;
3603 default:
3604 port_speed = 0;
3605 }
3606 break;
3607 case LPFC_TRAILER_CODE_FC:
3608 switch (speed_code) {
3609 case LPFC_EVT_CODE_FC_NO_LINK:
3610 port_speed = 0;
3611 break;
3612 case LPFC_EVT_CODE_FC_1_GBAUD:
3613 port_speed = 1000;
3614 break;
3615 case LPFC_EVT_CODE_FC_2_GBAUD:
3616 port_speed = 2000;
3617 break;
3618 case LPFC_EVT_CODE_FC_4_GBAUD:
3619 port_speed = 4000;
3620 break;
3621 case LPFC_EVT_CODE_FC_8_GBAUD:
3622 port_speed = 8000;
3623 break;
3624 case LPFC_EVT_CODE_FC_10_GBAUD:
3625 port_speed = 10000;
3626 break;
3627 case LPFC_EVT_CODE_FC_16_GBAUD:
3628 port_speed = 16000;
3629 break;
3630 default:
3631 port_speed = 0;
3632 }
3633 break;
3634 default:
3635 port_speed = 0;
3636 }
3637 return port_speed;
3638}
3639
da0436e9 3640/**
70f3c073 3641 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
da0436e9
JS		 3642 * @phba: pointer to lpfc hba data structure.
3643 * @acqe_link: pointer to the async link completion queue entry.
3644 *
70f3c073 3645 * This routine is to handle the SLI4 asynchronous FCoE link event.
da0436e9
JS		 3646 **/
3647static void
3648lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
3649 struct lpfc_acqe_link *acqe_link)
3650{
3651 struct lpfc_dmabuf *mp;
3652 LPFC_MBOXQ_t *pmb;
3653 MAILBOX_t *mb;
76a95d75 3654 struct lpfc_mbx_read_top *la;
da0436e9 3655 uint8_t att_type;
76a95d75 3656 int rc;
da0436e9
JS		 3657
3658 att_type = lpfc_sli4_parse_latt_type(phba, acqe_link);
76a95d75 3659 if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP)
da0436e9 3660 return;
32b9793f 3661 phba->fcoe_eventtag = acqe_link->event_tag;
da0436e9
JS		 3662 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3663 if (!pmb) {
3664 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3665 "0395 The mboxq allocation failed\n");
3666 return;
3667 }
3668 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3669 if (!mp) {
3670 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3671 "0396 The lpfc_dmabuf allocation failed\n");
3672 goto out_free_pmb;
3673 }
3674 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3675 if (!mp->virt) {
3676 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3677 "0397 The mbuf allocation failed\n");
3678 goto out_free_dmabuf;
3679 }
3680
3681 /* Cleanup any outstanding ELS commands */
3682 lpfc_els_flush_all_cmd(phba);
3683
3684 /* Block ELS IOCBs until we have done process link event */
3685 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
3686
3687 /* Update link event statistics */
3688 phba->sli.slistat.link_event++;
3689
76a95d75
JS		 3690 /* Create lpfc_handle_latt mailbox command from link ACQE */
3691 lpfc_read_topology(phba, pmb, mp);
3692 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
da0436e9
JS		 3693 pmb->vport = phba->pport;
3694
da0436e9
JS		 3695 /* Keep the link status for extra SLI4 state machine reference */
3696 phba->sli4_hba.link_state.speed =
8b68cd52
JS		 3697 lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK,
3698 bf_get(lpfc_acqe_link_speed, acqe_link));
da0436e9
JS		 3699 phba->sli4_hba.link_state.duplex =
3700 bf_get(lpfc_acqe_link_duplex, acqe_link);
3701 phba->sli4_hba.link_state.status =
3702 bf_get(lpfc_acqe_link_status, acqe_link);
70f3c073
JS		 3703 phba->sli4_hba.link_state.type =
3704 bf_get(lpfc_acqe_link_type, acqe_link);
3705 phba->sli4_hba.link_state.number =
3706 bf_get(lpfc_acqe_link_number, acqe_link);
da0436e9
JS		 3707 phba->sli4_hba.link_state.fault =
3708 bf_get(lpfc_acqe_link_fault, acqe_link);
65467b6b 3709 phba->sli4_hba.link_state.logical_speed =
8b68cd52
JS		 3710 bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10;
3711
70f3c073 3712 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
c31098ce
JS		 3713 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3714 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3715 "Logical speed:%dMbps Fault:%d\n",
70f3c073
JS		 3716 phba->sli4_hba.link_state.speed,
3717 phba->sli4_hba.link_state.topology,
3718 phba->sli4_hba.link_state.status,
3719 phba->sli4_hba.link_state.type,
3720 phba->sli4_hba.link_state.number,
8b68cd52 3721 phba->sli4_hba.link_state.logical_speed,
70f3c073 3722 phba->sli4_hba.link_state.fault);
76a95d75
JS		 3723 /*
3724 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3725 * topology info. Note: Optional for non FC-AL ports.
3726 */
3727 if (!(phba->hba_flag & HBA_FCOE_MODE)) {
3728 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
3729 if (rc == MBX_NOT_FINISHED)
3730 goto out_free_dmabuf;
3731 return;
3732 }
3733 /*
3734 * For FCoE Mode: fill in all the topology information we need and call
3735 * the READ_TOPOLOGY completion routine to continue without actually
3736 * sending the READ_TOPOLOGY mailbox command to the port.
3737 */
3738 /* Parse and translate status field */
3739 mb = &pmb->u.mb;
3740 mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link);
3741
3742 /* Parse and translate link attention fields */
3743 la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop;
3744 la->eventTag = acqe_link->event_tag;
3745 bf_set(lpfc_mbx_read_top_att_type, la, att_type);
3746 bf_set(lpfc_mbx_read_top_link_spd, la,
3747 lpfc_sli4_parse_latt_link_speed(phba, acqe_link));
3748
3749 /* Fake the the following irrelvant fields */
3750 bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT);
3751 bf_set(lpfc_mbx_read_top_alpa_granted, la, 0);
3752 bf_set(lpfc_mbx_read_top_il, la, 0);
3753 bf_set(lpfc_mbx_read_top_pb, la, 0);
3754 bf_set(lpfc_mbx_read_top_fa, la, 0);
3755 bf_set(lpfc_mbx_read_top_mm, la, 0);
da0436e9
JS		 3756
3757 /* Invoke the lpfc_handle_latt mailbox command callback function */
76a95d75 3758 lpfc_mbx_cmpl_read_topology(phba, pmb);
da0436e9 3759
5b75da2f 3760 return;
da0436e9
JS		 3761
3762out_free_dmabuf:
3763 kfree(mp);
3764out_free_pmb:
3765 mempool_free(pmb, phba->mbox_mem_pool);
3766}
3767
70f3c073
JS		 3768/**
3769 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3770 * @phba: pointer to lpfc hba data structure.
3771 * @acqe_fc: pointer to the async fc completion queue entry.
3772 *
3773 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3774 * that the event was received and then issue a read_topology mailbox command so
3775 * that the rest of the driver will treat it the same as SLI3.
3776 **/
3777static void
3778lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
3779{
3780 struct lpfc_dmabuf *mp;
3781 LPFC_MBOXQ_t *pmb;
3782 int rc;
3783
3784 if (bf_get(lpfc_trailer_type, acqe_fc) !=
3785 LPFC_FC_LA_EVENT_TYPE_FC_LINK) {
3786 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3787 "2895 Non FC link Event detected.(%d)\n",
3788 bf_get(lpfc_trailer_type, acqe_fc));
3789 return;
3790 }
3791 /* Keep the link status for extra SLI4 state machine reference */
3792 phba->sli4_hba.link_state.speed =
8b68cd52
JS		 3793 lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC,
3794 bf_get(lpfc_acqe_fc_la_speed, acqe_fc));
70f3c073
JS		 3795 phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL;
3796 phba->sli4_hba.link_state.topology =
3797 bf_get(lpfc_acqe_fc_la_topology, acqe_fc);
3798 phba->sli4_hba.link_state.status =
3799 bf_get(lpfc_acqe_fc_la_att_type, acqe_fc);
3800 phba->sli4_hba.link_state.type =
3801 bf_get(lpfc_acqe_fc_la_port_type, acqe_fc);
3802 phba->sli4_hba.link_state.number =
3803 bf_get(lpfc_acqe_fc_la_port_number, acqe_fc);
3804 phba->sli4_hba.link_state.fault =
3805 bf_get(lpfc_acqe_link_fault, acqe_fc);
3806 phba->sli4_hba.link_state.logical_speed =
8b68cd52 3807 bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10;
70f3c073
JS		 3808 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3809 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
3810 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
3811 "%dMbps Fault:%d\n",
3812 phba->sli4_hba.link_state.speed,
3813 phba->sli4_hba.link_state.topology,
3814 phba->sli4_hba.link_state.status,
3815 phba->sli4_hba.link_state.type,
3816 phba->sli4_hba.link_state.number,
8b68cd52 3817 phba->sli4_hba.link_state.logical_speed,
70f3c073
JS		 3818 phba->sli4_hba.link_state.fault);
3819 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3820 if (!pmb) {
3821 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3822 "2897 The mboxq allocation failed\n");
3823 return;
3824 }
3825 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3826 if (!mp) {
3827 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3828 "2898 The lpfc_dmabuf allocation failed\n");
3829 goto out_free_pmb;
3830 }
3831 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3832 if (!mp->virt) {
3833 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3834 "2899 The mbuf allocation failed\n");
3835 goto out_free_dmabuf;
3836 }
3837
3838 /* Cleanup any outstanding ELS commands */
3839 lpfc_els_flush_all_cmd(phba);
3840
3841 /* Block ELS IOCBs until we have done process link event */
3842 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
3843
3844 /* Update link event statistics */
3845 phba->sli.slistat.link_event++;
3846
3847 /* Create lpfc_handle_latt mailbox command from link ACQE */
3848 lpfc_read_topology(phba, pmb, mp);
3849 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
3850 pmb->vport = phba->pport;
3851
3852 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
3853 if (rc == MBX_NOT_FINISHED)
3854 goto out_free_dmabuf;
3855 return;
3856
3857out_free_dmabuf:
3858 kfree(mp);
3859out_free_pmb:
3860 mempool_free(pmb, phba->mbox_mem_pool);
3861}
3862
3863/**
3864 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
3865 * @phba: pointer to lpfc hba data structure.
3866 * @acqe_fc: pointer to the async SLI completion queue entry.
3867 *
3868 * This routine is to handle the SLI4 asynchronous SLI events.
3869 **/
3870static void
3871lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli)
3872{
4b8bae08 3873 char port_name;
8c1312e1 3874 char message[128];
4b8bae08
JS		 3875 uint8_t status;
3876 struct lpfc_acqe_misconfigured_event *misconfigured;
3877
3878 /* special case misconfigured event as it contains data for all ports */
3879 if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
3880 LPFC_SLI_INTF_IF_TYPE_2) ||
3881 (bf_get(lpfc_trailer_type, acqe_sli) !=
3882 LPFC_SLI_EVENT_TYPE_MISCONFIGURED)) {
3883 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3884 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
3885 "x%08x SLI Event Type:%d\n",
3886 acqe_sli->event_data1, acqe_sli->event_data2,
3887 bf_get(lpfc_trailer_type, acqe_sli));
3888 return;
3889 }
3890
3891 port_name = phba->Port[0];
3892 if (port_name == 0x00)
3893 port_name = '?'; /* get port name is empty */
3894
3895 misconfigured = (struct lpfc_acqe_misconfigured_event *)
3896 &acqe_sli->event_data1;
3897
3898 /* fetch the status for this port */
3899 switch (phba->sli4_hba.lnk_info.lnk_no) {
3900 case LPFC_LINK_NUMBER_0:
3901 status = bf_get(lpfc_sli_misconfigured_port0,
3902 &misconfigured->theEvent);
3903 break;
3904 case LPFC_LINK_NUMBER_1:
3905 status = bf_get(lpfc_sli_misconfigured_port1,
3906 &misconfigured->theEvent);
3907 break;
3908 case LPFC_LINK_NUMBER_2:
3909 status = bf_get(lpfc_sli_misconfigured_port2,
3910 &misconfigured->theEvent);
3911 break;
3912 case LPFC_LINK_NUMBER_3:
3913 status = bf_get(lpfc_sli_misconfigured_port3,
3914 &misconfigured->theEvent);
3915 break;
3916 default:
3917 status = ~LPFC_SLI_EVENT_STATUS_VALID;
3918 break;
3919 }
3920
3921 switch (status) {
3922 case LPFC_SLI_EVENT_STATUS_VALID:
3923 return; /* no message if the sfp is okay */
3924 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT:
292098be
JS		 3925 sprintf(message, "Optics faulted/incorrectly installed/not " \
3926 "installed - Reseat optics, if issue not "
3927 "resolved, replace.");
4b8bae08
JS		 3928 break;
3929 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE:
3930 sprintf(message,
292098be
JS		 3931 "Optics of two types installed - Remove one optic or " \
3932 "install matching pair of optics.");
4b8bae08
JS		 3933 break;
3934 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED:
292098be
JS		 3935 sprintf(message, "Incompatible optics - Replace with " \
3936 "compatible optics for card to function.");
4b8bae08
JS		 3937 break;
3938 default:
3939 /* firmware is reporting a status we don't know about */
3940 sprintf(message, "Unknown event status x%02x", status);
3941 break;
3942 }
3943
3944 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3945 "3176 Misconfigured Physical Port - "
3946 "Port Name %c %s\n", port_name, message);
70f3c073
JS		 3947}
3948
fc2b989b
JS		 3949/**
3950 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
3951 * @vport: pointer to vport data structure.
3952 *
3953 * This routine is to perform Clear Virtual Link (CVL) on a vport in
3954 * response to a CVL event.
3955 *
3956 * Return the pointer to the ndlp with the vport if successful, otherwise
3957 * return NULL.
3958 **/
3959static struct lpfc_nodelist *
3960lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
3961{
3962 struct lpfc_nodelist *ndlp;
3963 struct Scsi_Host *shost;
3964 struct lpfc_hba *phba;
3965
3966 if (!vport)
3967 return NULL;
fc2b989b
JS		 3968 phba = vport->phba;
3969 if (!phba)
3970 return NULL;
78730cfe
JS		 3971 ndlp = lpfc_findnode_did(vport, Fabric_DID);
3972 if (!ndlp) {
3973 /* Cannot find existing Fabric ndlp, so allocate a new one */
3974 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
3975 if (!ndlp)
3976 return 0;
3977 lpfc_nlp_init(vport, ndlp, Fabric_DID);
3978 /* Set the node type */
3979 ndlp->nlp_type |= NLP_FABRIC;
3980 /* Put ndlp onto node list */
3981 lpfc_enqueue_node(vport, ndlp);
3982 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
3983 /* re-setup ndlp without removing from node list */
3984 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
3985 if (!ndlp)
3986 return 0;
3987 }
63e801ce
JS		 3988 if ((phba->pport->port_state < LPFC_FLOGI) &&
3989 (phba->pport->port_state != LPFC_VPORT_FAILED))
fc2b989b
JS		 3990 return NULL;
3991 /* If virtual link is not yet instantiated ignore CVL */
63e801ce
JS		 3992 if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC)
3993 && (vport->port_state != LPFC_VPORT_FAILED))
fc2b989b
JS		 3994 return NULL;
3995 shost = lpfc_shost_from_vport(vport);
3996 if (!shost)
3997 return NULL;
3998 lpfc_linkdown_port(vport);
3999 lpfc_cleanup_pending_mbox(vport);
4000 spin_lock_irq(shost->host_lock);
4001 vport->fc_flag |= FC_VPORT_CVL_RCVD;
4002 spin_unlock_irq(shost->host_lock);
4003
4004 return ndlp;
4005}
4006
4007/**
4008 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
4009 * @vport: pointer to lpfc hba data structure.
4010 *
4011 * This routine is to perform Clear Virtual Link (CVL) on all vports in
4012 * response to a FCF dead event.
4013 **/
4014static void
4015lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba)
4016{
4017 struct lpfc_vport **vports;
4018 int i;
4019
4020 vports = lpfc_create_vport_work_array(phba);
4021 if (vports)
4022 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
4023 lpfc_sli4_perform_vport_cvl(vports[i]);
4024 lpfc_destroy_vport_work_array(phba, vports);
4025}
4026
25aee407
JS		 4027/**
4028 * lpfc_sli4_perform_inuse_fcf_recovery - Perform inuse fcf recovery
4029 * @vport: pointer to lpfc hba data structure.
4030 *
4031 * This routine is to perform FCF recovery when the in-use FCF either dead or
4032 * got modified.
4033 **/
4034static void
4035lpfc_sli4_perform_inuse_fcf_recovery(struct lpfc_hba *phba,
4036 struct lpfc_acqe_fip *acqe_fip)
4037{
4038 int rc;
4039
4040 spin_lock_irq(&phba->hbalock);
4041 /* Mark the fast failover process in progress */
4042 phba->fcf.fcf_flag |= FCF_DEAD_DISC;
4043 spin_unlock_irq(&phba->hbalock);
4044
4045 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
4046 "2771 Start FCF fast failover process due to in-use "
4047 "FCF DEAD/MODIFIED event: evt_tag:x%x, index:x%x\n",
4048 acqe_fip->event_tag, acqe_fip->index);
4049 rc = lpfc_sli4_redisc_fcf_table(phba);
4050 if (rc) {
4051 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
4052 "2772 Issue FCF rediscover mabilbox command "
4053 "failed, fail through to FCF dead event\n");
4054 spin_lock_irq(&phba->hbalock);
4055 phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
4056 spin_unlock_irq(&phba->hbalock);
4057 /*
4058 * Last resort will fail over by treating this as a link
4059 * down to FCF registration.
4060 */
4061 lpfc_sli4_fcf_dead_failthrough(phba);
4062 } else {
4063 /* Reset FCF roundrobin bmask for new discovery */
4064 lpfc_sli4_clear_fcf_rr_bmask(phba);
4065 /*
4066 * Handling fast FCF failover to a DEAD FCF event is
4067 * considered equalivant to receiving CVL to all vports.
4068 */
4069 lpfc_sli4_perform_all_vport_cvl(phba);
4070 }
4071}
4072
da0436e9 4073/**
76a95d75 4074 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
da0436e9
JS		 4075 * @phba: pointer to lpfc hba data structure.
4076 * @acqe_link: pointer to the async fcoe completion queue entry.
4077 *
4078 * This routine is to handle the SLI4 asynchronous fcoe event.
4079 **/
4080static void
76a95d75 4081lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
70f3c073 4082 struct lpfc_acqe_fip *acqe_fip)
da0436e9 4083{
70f3c073 4084 uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip);
da0436e9 4085 int rc;
6669f9bb
JS		 4086 struct lpfc_vport *vport;
4087 struct lpfc_nodelist *ndlp;
4088 struct Scsi_Host *shost;
695a814e
JS		 4089 int active_vlink_present;
4090 struct lpfc_vport **vports;
4091 int i;
da0436e9 4092
70f3c073
JS		 4093 phba->fc_eventTag = acqe_fip->event_tag;
4094 phba->fcoe_eventtag = acqe_fip->event_tag;
da0436e9 4095 switch (event_type) {
70f3c073
JS		 4096 case LPFC_FIP_EVENT_TYPE_NEW_FCF:
4097 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD:
4098 if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF)
999d813f
JS		 4099 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4100 LOG_DISCOVERY,
a93ff37a
JS		 4101 "2546 New FCF event, evt_tag:x%x, "
4102 "index:x%x\n",
70f3c073
JS		 4103 acqe_fip->event_tag,
4104 acqe_fip->index);
999d813f
JS		 4105 else
4106 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP |
4107 LOG_DISCOVERY,
a93ff37a
JS		 4108 "2788 FCF param modified event, "
4109 "evt_tag:x%x, index:x%x\n",
70f3c073
JS		 4110 acqe_fip->event_tag,
4111 acqe_fip->index);
38b92ef8 4112 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
0c9ab6f5
JS		 4113 /*
4114 * During period of FCF discovery, read the FCF
4115 * table record indexed by the event to update
a93ff37a 4116 * FCF roundrobin failover eligible FCF bmask.
0c9ab6f5
JS		 4117 */
4118 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
4119 LOG_DISCOVERY,
a93ff37a
JS		 4120 "2779 Read FCF (x%x) for updating "
4121 "roundrobin FCF failover bmask\n",
70f3c073
JS		 4122 acqe_fip->index);
4123 rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index);
0c9ab6f5 4124 }
38b92ef8
JS		 4125
4126 /* If the FCF discovery is in progress, do nothing. */
3804dc84 4127 spin_lock_irq(&phba->hbalock);
a93ff37a 4128 if (phba->hba_flag & FCF_TS_INPROG) {
38b92ef8
JS		 4129 spin_unlock_irq(&phba->hbalock);
4130 break;
4131 }
4132 /* If fast FCF failover rescan event is pending, do nothing */
4133 if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
4134 spin_unlock_irq(&phba->hbalock);
4135 break;
4136 }
4137
25aee407
JS		 4138 /* If FCF has been in discovered state, perform rediscovery
4139 * only if the FCF with the same index of the in-use FCF got
4140 * modified during normal operation. Otherwise, do nothing.
4141 */
4142 if (phba->pport->port_state > LPFC_FLOGI) {
3804dc84 4143 spin_unlock_irq(&phba->hbalock);
25aee407
JS		 4144 if (phba->fcf.current_rec.fcf_indx ==
4145 acqe_fip->index) {
4146 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
4147 "3300 In-use FCF (%d) "
4148 "modified, perform FCF "
4149 "rediscovery\n",
4150 acqe_fip->index);
4151 lpfc_sli4_perform_inuse_fcf_recovery(phba,
4152 acqe_fip);
4153 }
3804dc84
JS		 4154 break;
4155 }
4156 spin_unlock_irq(&phba->hbalock);
38b92ef8 4157
0c9ab6f5
JS		 4158 /* Otherwise, scan the entire FCF table and re-discover SAN */
4159 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
a93ff37a
JS		 4160 "2770 Start FCF table scan per async FCF "
4161 "event, evt_tag:x%x, index:x%x\n",
70f3c073 4162 acqe_fip->event_tag, acqe_fip->index);
0c9ab6f5
JS		 4163 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
4164 LPFC_FCOE_FCF_GET_FIRST);
da0436e9 4165 if (rc)
0c9ab6f5
JS		 4166 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
4167 "2547 Issue FCF scan read FCF mailbox "
a93ff37a 4168 "command failed (x%x)\n", rc);
da0436e9
JS		 4169 break;
4170
70f3c073 4171 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL:
da0436e9 4172 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
e4e74273 4173 "2548 FCF Table full count 0x%x tag 0x%x\n",
70f3c073
JS		 4174 bf_get(lpfc_acqe_fip_fcf_count, acqe_fip),
4175 acqe_fip->event_tag);
da0436e9
JS		 4176 break;
4177
70f3c073 4178 case LPFC_FIP_EVENT_TYPE_FCF_DEAD:
80c17849 4179 phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
0c9ab6f5 4180 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
a93ff37a 4181 "2549 FCF (x%x) disconnected from network, "
70f3c073 4182 "tag:x%x\n", acqe_fip->index, acqe_fip->event_tag);
38b92ef8
JS		 4183 /*
4184 * If we are in the middle of FCF failover process, clear
4185 * the corresponding FCF bit in the roundrobin bitmap.
da0436e9 4186 */
fc2b989b 4187 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4188 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
fc2b989b 4189 spin_unlock_irq(&phba->hbalock);
0c9ab6f5 4190 /* Update FLOGI FCF failover eligible FCF bmask */
70f3c073 4191 lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index);
fc2b989b
JS		 4192 break;
4193 }
38b92ef8
JS		 4194 spin_unlock_irq(&phba->hbalock);
4195
4196 /* If the event is not for currently used fcf do nothing */
70f3c073 4197 if (phba->fcf.current_rec.fcf_indx != acqe_fip->index)
38b92ef8
JS		 4198 break;
4199
4200 /*
4201 * Otherwise, request the port to rediscover the entire FCF
4202 * table for a fast recovery from case that the current FCF
4203 * is no longer valid as we are not in the middle of FCF
4204 * failover process already.
4205 */
25aee407 4206 lpfc_sli4_perform_inuse_fcf_recovery(phba, acqe_fip);
da0436e9 4207 break;
70f3c073 4208 case LPFC_FIP_EVENT_TYPE_CVL:
80c17849 4209 phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
0c9ab6f5 4210 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
6669f9bb 4211 "2718 Clear Virtual Link Received for VPI 0x%x"
70f3c073 4212 " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag);
6d368e53 4213
6669f9bb 4214 vport = lpfc_find_vport_by_vpid(phba,
5248a749 4215 acqe_fip->index);
fc2b989b 4216 ndlp = lpfc_sli4_perform_vport_cvl(vport);
6669f9bb
JS		 4217 if (!ndlp)
4218 break;
695a814e
JS		 4219 active_vlink_present = 0;
4220
4221 vports = lpfc_create_vport_work_array(phba);
4222 if (vports) {
4223 for (i = 0; i <= phba->max_vports && vports[i] != NULL;
4224 i++) {
4225 if ((!(vports[i]->fc_flag &
4226 FC_VPORT_CVL_RCVD)) &&
4227 (vports[i]->port_state > LPFC_FDISC)) {
4228 active_vlink_present = 1;
4229 break;
4230 }
4231 }
4232 lpfc_destroy_vport_work_array(phba, vports);
4233 }
4234
4235 if (active_vlink_present) {
4236 /*
4237 * If there are other active VLinks present,
4238 * re-instantiate the Vlink using FDISC.
4239 */
256ec0d0
JS		 4240 mod_timer(&ndlp->nlp_delayfunc,
4241 jiffies + msecs_to_jiffies(1000));
fc2b989b 4242 shost = lpfc_shost_from_vport(vport);
6669f9bb
JS		 4243 spin_lock_irq(shost->host_lock);
4244 ndlp->nlp_flag |= NLP_DELAY_TMO;
4245 spin_unlock_irq(shost->host_lock);
695a814e
JS		 4246 ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
4247 vport->port_state = LPFC_FDISC;
4248 } else {
ecfd03c6
JS		 4249 /*
4250 * Otherwise, we request port to rediscover
4251 * the entire FCF table for a fast recovery
4252 * from possible case that the current FCF
0c9ab6f5
JS		 4253 * is no longer valid if we are not already
4254 * in the FCF failover process.
ecfd03c6 4255 */
fc2b989b 4256 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4257 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
fc2b989b
JS		 4258 spin_unlock_irq(&phba->hbalock);
4259 break;
4260 }
4261 /* Mark the fast failover process in progress */
0c9ab6f5 4262 phba->fcf.fcf_flag |= FCF_ACVL_DISC;
fc2b989b 4263 spin_unlock_irq(&phba->hbalock);
0c9ab6f5
JS		 4264 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
4265 LOG_DISCOVERY,
a93ff37a 4266 "2773 Start FCF failover per CVL, "
70f3c073 4267 "evt_tag:x%x\n", acqe_fip->event_tag);
ecfd03c6 4268 rc = lpfc_sli4_redisc_fcf_table(phba);
fc2b989b 4269 if (rc) {
0c9ab6f5
JS		 4270 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4271 LOG_DISCOVERY,
4272 "2774 Issue FCF rediscover "
4273 "mabilbox command failed, "
4274 "through to CVL event\n");
fc2b989b 4275 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4276 phba->fcf.fcf_flag &= ~FCF_ACVL_DISC;
fc2b989b 4277 spin_unlock_irq(&phba->hbalock);
ecfd03c6
JS		 4278 /*
4279 * Last resort will be re-try on the
4280 * the current registered FCF entry.
4281 */
4282 lpfc_retry_pport_discovery(phba);
38b92ef8
JS		 4283 } else
4284 /*
4285 * Reset FCF roundrobin bmask for new
4286 * discovery.
4287 */
7d791df7 4288 lpfc_sli4_clear_fcf_rr_bmask(phba);
6669f9bb
JS		 4289 }
4290 break;
da0436e9
JS		 4291 default:
4292 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4293 "0288 Unknown FCoE event type 0x%x event tag "
70f3c073 4294 "0x%x\n", event_type, acqe_fip->event_tag);
da0436e9
JS		 4295 break;
4296 }
4297}
4298
4299/**
4300 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
4301 * @phba: pointer to lpfc hba data structure.
4302 * @acqe_link: pointer to the async dcbx completion queue entry.
4303 *
4304 * This routine is to handle the SLI4 asynchronous dcbx event.
4305 **/
4306static void
4307lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba,
4308 struct lpfc_acqe_dcbx *acqe_dcbx)
4309{
4d9ab994 4310 phba->fc_eventTag = acqe_dcbx->event_tag;
da0436e9
JS		 4311 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4312 "0290 The SLI4 DCBX asynchronous event is not "
4313 "handled yet\n");
4314}
4315
b19a061a
JS		 4316/**
4317 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
4318 * @phba: pointer to lpfc hba data structure.
4319 * @acqe_link: pointer to the async grp5 completion queue entry.
4320 *
4321 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
4322 * is an asynchronous notified of a logical link speed change. The Port
4323 * reports the logical link speed in units of 10Mbps.
4324 **/
4325static void
4326lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba,
4327 struct lpfc_acqe_grp5 *acqe_grp5)
4328{
4329 uint16_t prev_ll_spd;
4330
4331 phba->fc_eventTag = acqe_grp5->event_tag;
4332 phba->fcoe_eventtag = acqe_grp5->event_tag;
4333 prev_ll_spd = phba->sli4_hba.link_state.logical_speed;
4334 phba->sli4_hba.link_state.logical_speed =
8b68cd52 4335 (bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10;
b19a061a
JS		 4336 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4337 "2789 GRP5 Async Event: Updating logical link speed "
8b68cd52
JS		 4338 "from %dMbps to %dMbps\n", prev_ll_spd,
4339 phba->sli4_hba.link_state.logical_speed);
b19a061a
JS		 4340}
4341
da0436e9
JS		 4342/**
4343 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
4344 * @phba: pointer to lpfc hba data structure.
4345 *
4346 * This routine is invoked by the worker thread to process all the pending
4347 * SLI4 asynchronous events.
4348 **/
4349void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
4350{
4351 struct lpfc_cq_event *cq_event;
4352
4353 /* First, declare the async event has been handled */
4354 spin_lock_irq(&phba->hbalock);
4355 phba->hba_flag &= ~ASYNC_EVENT;
4356 spin_unlock_irq(&phba->hbalock);
4357 /* Now, handle all the async events */
4358 while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) {
4359 /* Get the first event from the head of the event queue */
4360 spin_lock_irq(&phba->hbalock);
4361 list_remove_head(&phba->sli4_hba.sp_asynce_work_queue,
4362 cq_event, struct lpfc_cq_event, list);
4363 spin_unlock_irq(&phba->hbalock);
4364 /* Process the asynchronous event */
4365 switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) {
4366 case LPFC_TRAILER_CODE_LINK:
4367 lpfc_sli4_async_link_evt(phba,
4368 &cq_event->cqe.acqe_link);
4369 break;
4370 case LPFC_TRAILER_CODE_FCOE:
70f3c073 4371 lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip);
da0436e9
JS		 4372 break;
4373 case LPFC_TRAILER_CODE_DCBX:
4374 lpfc_sli4_async_dcbx_evt(phba,
4375 &cq_event->cqe.acqe_dcbx);
4376 break;
b19a061a
JS		 4377 case LPFC_TRAILER_CODE_GRP5:
4378 lpfc_sli4_async_grp5_evt(phba,
4379 &cq_event->cqe.acqe_grp5);
4380 break;
70f3c073
JS		 4381 case LPFC_TRAILER_CODE_FC:
4382 lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc);
4383 break;
4384 case LPFC_TRAILER_CODE_SLI:
4385 lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli);
4386 break;
da0436e9
JS		 4387 default:
4388 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4389 "1804 Invalid asynchrous event code: "
4390 "x%x\n", bf_get(lpfc_trailer_code,
4391 &cq_event->cqe.mcqe_cmpl));
4392 break;
4393 }
4394 /* Free the completion event processed to the free pool */
4395 lpfc_sli4_cq_event_release(phba, cq_event);
4396 }
4397}
4398
ecfd03c6
JS		 4399/**
4400 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
4401 * @phba: pointer to lpfc hba data structure.
4402 *
4403 * This routine is invoked by the worker thread to process FCF table
4404 * rediscovery pending completion event.
4405 **/
4406void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba)
4407{
4408 int rc;
4409
4410 spin_lock_irq(&phba->hbalock);
4411 /* Clear FCF rediscovery timeout event */
4412 phba->fcf.fcf_flag &= ~FCF_REDISC_EVT;
4413 /* Clear driver fast failover FCF record flag */
4414 phba->fcf.failover_rec.flag = 0;
4415 /* Set state for FCF fast failover */
4416 phba->fcf.fcf_flag |= FCF_REDISC_FOV;
4417 spin_unlock_irq(&phba->hbalock);
4418
4419 /* Scan FCF table from the first entry to re-discover SAN */
0c9ab6f5 4420 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
a93ff37a 4421 "2777 Start post-quiescent FCF table scan\n");
0c9ab6f5 4422 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
ecfd03c6 4423 if (rc)
0c9ab6f5
JS		 4424 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
4425 "2747 Issue FCF scan read FCF mailbox "
4426 "command failed 0x%x\n", rc);
ecfd03c6
JS		 4427}
4428
da0436e9
JS		 4429/**
4430 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
4431 * @phba: pointer to lpfc hba data structure.
4432 * @dev_grp: The HBA PCI-Device group number.
4433 *
4434 * This routine is invoked to set up the per HBA PCI-Device group function
4435 * API jump table entries.
4436 *
4437 * Return: 0 if success, otherwise -ENODEV
4438 **/
4439int
4440lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
4441{
4442 int rc;
4443
4444 /* Set up lpfc PCI-device group */
4445 phba->pci_dev_grp = dev_grp;
4446
4447 /* The LPFC_PCI_DEV_OC uses SLI4 */
4448 if (dev_grp == LPFC_PCI_DEV_OC)
4449 phba->sli_rev = LPFC_SLI_REV4;
4450
4451 /* Set up device INIT API function jump table */
4452 rc = lpfc_init_api_table_setup(phba, dev_grp);
4453 if (rc)
4454 return -ENODEV;
4455 /* Set up SCSI API function jump table */
4456 rc = lpfc_scsi_api_table_setup(phba, dev_grp);
4457 if (rc)
4458 return -ENODEV;
4459 /* Set up SLI API function jump table */
4460 rc = lpfc_sli_api_table_setup(phba, dev_grp);
4461 if (rc)
4462 return -ENODEV;
4463 /* Set up MBOX API function jump table */
4464 rc = lpfc_mbox_api_table_setup(phba, dev_grp);
4465 if (rc)
4466 return -ENODEV;
4467
4468 return 0;
5b75da2f
JS		 4469}
4470
4471/**
3621a710 4472 * lpfc_log_intr_mode - Log the active interrupt mode
5b75da2f
JS		 4473 * @phba: pointer to lpfc hba data structure.
4474 * @intr_mode: active interrupt mode adopted.
4475 *
4476 * This routine it invoked to log the currently used active interrupt mode
4477 * to the device.
3772a991
JS		 4478 **/
4479static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode)
5b75da2f
JS		 4480{
4481 switch (intr_mode) {
4482 case 0:
4483 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4484 "0470 Enable INTx interrupt mode.\n");
4485 break;
4486 case 1:
4487 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4488 "0481 Enabled MSI interrupt mode.\n");
4489 break;
4490 case 2:
4491 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4492 "0480 Enabled MSI-X interrupt mode.\n");
4493 break;
4494 default:
4495 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4496 "0482 Illegal interrupt mode.\n");
4497 break;
4498 }
4499 return;
4500}
4501
5b75da2f 4502/**
3772a991 4503 * lpfc_enable_pci_dev - Enable a generic PCI device.
5b75da2f
JS		 4504 * @phba: pointer to lpfc hba data structure.
4505 *
3772a991
JS		 4506 * This routine is invoked to enable the PCI device that is common to all
4507 * PCI devices.
5b75da2f
JS		 4508 *
4509 * Return codes
af901ca1 4510 * 0 - successful
3772a991 4511 * other values - error
5b75da2f 4512 **/
3772a991
JS		 4513static int
4514lpfc_enable_pci_dev(struct lpfc_hba *phba)
5b75da2f 4515{
3772a991 4516 struct pci_dev *pdev;
079b5c91 4517 int bars = 0;
5b75da2f 4518
3772a991
JS		 4519 /* Obtain PCI device reference */
4520 if (!phba->pcidev)
4521 goto out_error;
4522 else
4523 pdev = phba->pcidev;
4524 /* Select PCI BARs */
4525 bars = pci_select_bars(pdev, IORESOURCE_MEM);
4526 /* Enable PCI device */
4527 if (pci_enable_device_mem(pdev))
4528 goto out_error;
4529 /* Request PCI resource for the device */
4530 if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
4531 goto out_disable_device;
4532 /* Set up device as PCI master and save state for EEH */
4533 pci_set_master(pdev);
4534 pci_try_set_mwi(pdev);
4535 pci_save_state(pdev);
5b75da2f 4536
0558056c
JS		 4537 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
4538 if (pci_find_capability(pdev, PCI_CAP_ID_EXP))
4539 pdev->needs_freset = 1;
4540
3772a991 4541 return 0;
5b75da2f 4542
3772a991
JS		 4543out_disable_device:
4544 pci_disable_device(pdev);
4545out_error:
079b5c91
JS		 4546 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4547 "1401 Failed to enable pci device, bars:x%x\n", bars);
3772a991 4548 return -ENODEV;
5b75da2f
JS		 4549}
4550
4551/**
3772a991 4552 * lpfc_disable_pci_dev - Disable a generic PCI device.
5b75da2f
JS		 4553 * @phba: pointer to lpfc hba data structure.
4554 *
3772a991
JS		 4555 * This routine is invoked to disable the PCI device that is common to all
4556 * PCI devices.
5b75da2f
JS		 4557 **/
4558static void
3772a991 4559lpfc_disable_pci_dev(struct lpfc_hba *phba)
5b75da2f 4560{
3772a991
JS		 4561 struct pci_dev *pdev;
4562 int bars;
5b75da2f 4563
3772a991
JS		 4564 /* Obtain PCI device reference */
4565 if (!phba->pcidev)
4566 return;
4567 else
4568 pdev = phba->pcidev;
4569 /* Select PCI BARs */
4570 bars = pci_select_bars(pdev, IORESOURCE_MEM);
4571 /* Release PCI resource and disable PCI device */
4572 pci_release_selected_regions(pdev, bars);
4573 pci_disable_device(pdev);
4574 /* Null out PCI private reference to driver */
4575 pci_set_drvdata(pdev, NULL);
5b75da2f
JS		 4576
4577 return;
4578}
4579
e59058c4 4580/**
3772a991
JS		 4581 * lpfc_reset_hba - Reset a hba
4582 * @phba: pointer to lpfc hba data structure.
e59058c4 4583 *
3772a991
JS		 4584 * This routine is invoked to reset a hba device. It brings the HBA
4585 * offline, performs a board restart, and then brings the board back
4586 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4587 * on outstanding mailbox commands.
e59058c4 4588 **/
3772a991
JS		 4589void
4590lpfc_reset_hba(struct lpfc_hba *phba)
dea3101e 4591{
3772a991
JS		 4592 /* If resets are disabled then set error state and return. */
4593 if (!phba->cfg_enable_hba_reset) {
4594 phba->link_state = LPFC_HBA_ERROR;
4595 return;
4596 }
618a5230 4597 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
3772a991
JS		 4598 lpfc_offline(phba);
4599 lpfc_sli_brdrestart(phba);
4600 lpfc_online(phba);
4601 lpfc_unblock_mgmt_io(phba);
4602}
dea3101e 4603
0a96e975
JS		 4604/**
4605 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4606 * @phba: pointer to lpfc hba data structure.
4607 *
4608 * This function enables the PCI SR-IOV virtual functions to a physical
4609 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4610 * enable the number of virtual functions to the physical function. As
4611 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4612 * API call does not considered as an error condition for most of the device.
4613 **/
4614uint16_t
4615lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba)
4616{
4617 struct pci_dev *pdev = phba->pcidev;
4618 uint16_t nr_virtfn;
4619 int pos;
4620
0a96e975
JS		 4621 pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
4622 if (pos == 0)
4623 return 0;
4624
4625 pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn);
4626 return nr_virtfn;
4627}
4628
912e3acd
JS		 4629/**
4630 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4631 * @phba: pointer to lpfc hba data structure.
4632 * @nr_vfn: number of virtual functions to be enabled.
4633 *
4634 * This function enables the PCI SR-IOV virtual functions to a physical
4635 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4636 * enable the number of virtual functions to the physical function. As
4637 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4638 * API call does not considered as an error condition for most of the device.
4639 **/
4640int
4641lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn)
4642{
4643 struct pci_dev *pdev = phba->pcidev;
0a96e975 4644 uint16_t max_nr_vfn;
912e3acd
JS		 4645 int rc;
4646
0a96e975
JS		 4647 max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba);
4648 if (nr_vfn > max_nr_vfn) {
4649 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4650 "3057 Requested vfs (%d) greater than "
4651 "supported vfs (%d)", nr_vfn, max_nr_vfn);
4652 return -EINVAL;
4653 }
4654
912e3acd
JS		 4655 rc = pci_enable_sriov(pdev, nr_vfn);
4656 if (rc) {
4657 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4658 "2806 Failed to enable sriov on this device "
4659 "with vfn number nr_vf:%d, rc:%d\n",
4660 nr_vfn, rc);
4661 } else
4662 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4663 "2807 Successful enable sriov on this device "
4664 "with vfn number nr_vf:%d\n", nr_vfn);
4665 return rc;
4666}
4667
3772a991
JS		 4668/**
4669 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4670 * @phba: pointer to lpfc hba data structure.
4671 *
4672 * This routine is invoked to set up the driver internal resources specific to
4673 * support the SLI-3 HBA device it attached to.
4674 *
4675 * Return codes
af901ca1 4676 * 0 - successful
3772a991
JS		 4677 * other values - error
4678 **/
4679static int
4680lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
4681{
4682 struct lpfc_sli *psli;
912e3acd 4683 int rc;
dea3101e 4684
2e0fef85 4685 /*
3772a991 4686 * Initialize timers used by driver
2e0fef85 4687 */
dea3101e 4688
3772a991 4689 /* Heartbeat timer */
858c9f6c
JS		 4690 init_timer(&phba->hb_tmofunc);
4691 phba->hb_tmofunc.function = lpfc_hb_timeout;
4692 phba->hb_tmofunc.data = (unsigned long)phba;
4693
dea3101e 4694 psli = &phba->sli;
3772a991 4695 /* MBOX heartbeat timer */
dea3101e 4696 init_timer(&psli->mbox_tmo);
4697 psli->mbox_tmo.function = lpfc_mbox_timeout;
2e0fef85 4698 psli->mbox_tmo.data = (unsigned long) phba;
3772a991 4699 /* FCP polling mode timer */
875fbdfe
JSEC		 4700 init_timer(&phba->fcp_poll_timer);
4701 phba->fcp_poll_timer.function = lpfc_poll_timeout;
2e0fef85 4702 phba->fcp_poll_timer.data = (unsigned long) phba;
3772a991 4703 /* Fabric block timer */
92d7f7b0
JS		 4704 init_timer(&phba->fabric_block_timer);
4705 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
4706 phba->fabric_block_timer.data = (unsigned long) phba;
3772a991 4707 /* EA polling mode timer */
9399627f
JS		 4708 init_timer(&phba->eratt_poll);
4709 phba->eratt_poll.function = lpfc_poll_eratt;
4710 phba->eratt_poll.data = (unsigned long) phba;
dea3101e 4711
3772a991
JS		 4712 /* Host attention work mask setup */
4713 phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT);
4714 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
dea3101e 4715
3772a991
JS		 4716 /* Get all the module params for configuring this host */
4717 lpfc_get_cfgparam(phba);
49198b37
JS		 4718 if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) {
4719 phba->menlo_flag |= HBA_MENLO_SUPPORT;
4720 /* check for menlo minimum sg count */
4721 if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT)
4722 phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
4723 }
4724
2a76a283
JS		 4725 if (!phba->sli.ring)
4726 phba->sli.ring = (struct lpfc_sli_ring *)
4727 kzalloc(LPFC_SLI3_MAX_RING *
4728 sizeof(struct lpfc_sli_ring), GFP_KERNEL);
4729 if (!phba->sli.ring)
4730 return -ENOMEM;
4731
dea3101e 4732 /*
3772a991
JS		 4733 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4734 * used to create the sg_dma_buf_pool must be dynamically calculated.
4735 * 2 segments are added since the IOCB needs a command and response bde.
dea3101e 4736 */
3772a991
JS		 4737 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4738 sizeof(struct fcp_rsp) +
4739 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64));
4740
4741 if (phba->cfg_enable_bg) {
4742 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT;
4743 phba->cfg_sg_dma_buf_size +=
4744 phba->cfg_prot_sg_seg_cnt * sizeof(struct ulp_bde64);
901a920f 4745 }
dea3101e 4746
3772a991
JS		 4747 /* Also reinitialize the host templates with new values. */
4748 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4749 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
dea3101e 4750
3772a991
JS		 4751 phba->max_vpi = LPFC_MAX_VPI;
4752 /* This will be set to correct value after config_port mbox */
4753 phba->max_vports = 0;
dea3101e 4754
3772a991
JS		 4755 /*
4756 * Initialize the SLI Layer to run with lpfc HBAs.
4757 */
4758 lpfc_sli_setup(phba);
4759 lpfc_sli_queue_setup(phba);
ed957684 4760
3772a991
JS		 4761 /* Allocate device driver memory */
4762 if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ))
4763 return -ENOMEM;
51ef4c26 4764
912e3acd
JS		 4765 /*
4766 * Enable sr-iov virtual functions if supported and configured
4767 * through the module parameter.
4768 */
4769 if (phba->cfg_sriov_nr_virtfn > 0) {
4770 rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
4771 phba->cfg_sriov_nr_virtfn);
4772 if (rc) {
4773 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4774 "2808 Requested number of SR-IOV "
4775 "virtual functions (%d) is not "
4776 "supported\n",
4777 phba->cfg_sriov_nr_virtfn);
4778 phba->cfg_sriov_nr_virtfn = 0;
4779 }
4780 }
4781
3772a991
JS		 4782 return 0;
4783}
ed957684 4784
3772a991
JS		 4785/**
4786 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
4787 * @phba: pointer to lpfc hba data structure.
4788 *
4789 * This routine is invoked to unset the driver internal resources set up
4790 * specific for supporting the SLI-3 HBA device it attached to.
4791 **/
4792static void
4793lpfc_sli_driver_resource_unset(struct lpfc_hba *phba)
4794{
4795 /* Free device driver memory allocated */
4796 lpfc_mem_free_all(phba);
3163f725 4797
3772a991
JS		 4798 return;
4799}
dea3101e 4800
3772a991 4801/**
da0436e9 4802 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
3772a991
JS		 4803 * @phba: pointer to lpfc hba data structure.
4804 *
da0436e9
JS		 4805 * This routine is invoked to set up the driver internal resources specific to
4806 * support the SLI-4 HBA device it attached to.
3772a991
JS		 4807 *
4808 * Return codes
af901ca1 4809 * 0 - successful
da0436e9 4810 * other values - error
3772a991
JS		 4811 **/
4812static int
da0436e9 4813lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
3772a991 4814{
da0436e9 4815 struct lpfc_sli *psli;
28baac74
JS		 4816 LPFC_MBOXQ_t *mboxq;
4817 int rc, i, hbq_count, buf_size, dma_buf_size, max_buf_size;
4818 uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0};
4819 struct lpfc_mqe *mqe;
085c647c 4820 int longs, sli_family;
acd6859b 4821 int sges_per_segment;
da0436e9
JS		 4822
4823 /* Before proceed, wait for POST done and device ready */
4824 rc = lpfc_sli4_post_status_check(phba);
4825 if (rc)
4826 return -ENODEV;
4827
3772a991 4828 /*
da0436e9 4829 * Initialize timers used by driver
3772a991 4830 */
3772a991 4831
da0436e9
JS		 4832 /* Heartbeat timer */
4833 init_timer(&phba->hb_tmofunc);
4834 phba->hb_tmofunc.function = lpfc_hb_timeout;
4835 phba->hb_tmofunc.data = (unsigned long)phba;
19ca7609
JS		 4836 init_timer(&phba->rrq_tmr);
4837 phba->rrq_tmr.function = lpfc_rrq_timeout;
4838 phba->rrq_tmr.data = (unsigned long)phba;
3772a991 4839
da0436e9
JS		 4840 psli = &phba->sli;
4841 /* MBOX heartbeat timer */
4842 init_timer(&psli->mbox_tmo);
4843 psli->mbox_tmo.function = lpfc_mbox_timeout;
4844 psli->mbox_tmo.data = (unsigned long) phba;
4845 /* Fabric block timer */
4846 init_timer(&phba->fabric_block_timer);
4847 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
4848 phba->fabric_block_timer.data = (unsigned long) phba;
4849 /* EA polling mode timer */
4850 init_timer(&phba->eratt_poll);
4851 phba->eratt_poll.function = lpfc_poll_eratt;
4852 phba->eratt_poll.data = (unsigned long) phba;
ecfd03c6
JS		 4853 /* FCF rediscover timer */
4854 init_timer(&phba->fcf.redisc_wait);
4855 phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo;
4856 phba->fcf.redisc_wait.data = (unsigned long)phba;
4857
7ad20aa9
JS		 4858 /*
4859 * Control structure for handling external multi-buffer mailbox
4860 * command pass-through.
4861 */
4862 memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0,
4863 sizeof(struct lpfc_mbox_ext_buf_ctx));
4864 INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list);
4865
da0436e9
JS		 4866 /*
4867 * We need to do a READ_CONFIG mailbox command here before
4868 * calling lpfc_get_cfgparam. For VFs this will report the
4869 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
4870 * All of the resources allocated
4871 * for this Port are tied to these values.
4872 */
4873 /* Get all the module params for configuring this host */
4874 lpfc_get_cfgparam(phba);
4875 phba->max_vpi = LPFC_MAX_VPI;
67d12733
JS		 4876
4877 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
4878 phba->cfg_fcp_io_channel = phba->cfg_fcp_eq_count;
4879
da0436e9
JS		 4880 /* This will be set to correct value after the read_config mbox */
4881 phba->max_vports = 0;
3772a991 4882
da0436e9
JS		 4883 /* Program the default value of vlan_id and fc_map */
4884 phba->valid_vlan = 0;
4885 phba->fc_map[0] = LPFC_FCOE_FCF_MAP0;
4886 phba->fc_map[1] = LPFC_FCOE_FCF_MAP1;
4887 phba->fc_map[2] = LPFC_FCOE_FCF_MAP2;
3772a991 4888
acd6859b
JS		 4889 /* With BlockGuard we can have multiple SGEs per Data Segemnt */
4890 sges_per_segment = 1;
4891 if (phba->cfg_enable_bg)
4892 sges_per_segment = 2;
4893
2a76a283
JS		 4894 /*
4895 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
4896 * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple.
4897 */
4898 if (!phba->sli.ring)
4899 phba->sli.ring = kzalloc(
67d12733 4900 (LPFC_SLI3_MAX_RING + phba->cfg_fcp_io_channel) *
2a76a283
JS		 4901 sizeof(struct lpfc_sli_ring), GFP_KERNEL);
4902 if (!phba->sli.ring)
4903 return -ENOMEM;
da0436e9
JS		 4904 /*
4905 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
4906 * used to create the sg_dma_buf_pool must be dynamically calculated.
4907 * 2 segments are added since the IOCB needs a command and response bde.
4908 * To insure that the scsi sgl does not cross a 4k page boundary only
28baac74 4909 * sgl sizes of must be a power of 2.
da0436e9 4910 */
28baac74 4911 buf_size = (sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp) +
acd6859b
JS		 4912 (((phba->cfg_sg_seg_cnt * sges_per_segment) + 2) *
4913 sizeof(struct sli4_sge)));
085c647c
JS		 4914
4915 sli_family = bf_get(lpfc_sli_intf_sli_family, &phba->sli4_hba.sli_intf);
4916 max_buf_size = LPFC_SLI4_MAX_BUF_SIZE;
4917 switch (sli_family) {
4918 case LPFC_SLI_INTF_FAMILY_BE2:
4919 case LPFC_SLI_INTF_FAMILY_BE3:
4920 /* There is a single hint for BE - 2 pages per BPL. */
4921 if (bf_get(lpfc_sli_intf_sli_hint1, &phba->sli4_hba.sli_intf) ==
4922 LPFC_SLI_INTF_SLI_HINT1_1)
4923 max_buf_size = LPFC_SLI4_FL1_MAX_BUF_SIZE;
4924 break;
4925 case LPFC_SLI_INTF_FAMILY_LNCR_A0:
4926 case LPFC_SLI_INTF_FAMILY_LNCR_B0:
4927 default:
4928 break;
4929 }
acd6859b 4930
28baac74
JS		 4931 for (dma_buf_size = LPFC_SLI4_MIN_BUF_SIZE;
4932 dma_buf_size < max_buf_size && buf_size > dma_buf_size;
4933 dma_buf_size = dma_buf_size << 1)
4934 ;
4935 if (dma_buf_size == max_buf_size)
4936 phba->cfg_sg_seg_cnt = (dma_buf_size -
4937 sizeof(struct fcp_cmnd) - sizeof(struct fcp_rsp) -
4938 (2 * sizeof(struct sli4_sge))) /
4939 sizeof(struct sli4_sge);
4940 phba->cfg_sg_dma_buf_size = dma_buf_size;
3772a991 4941
da0436e9
JS		 4942 /* Initialize buffer queue management fields */
4943 hbq_count = lpfc_sli_hbq_count();
4944 for (i = 0; i < hbq_count; ++i)
4945 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
4946 INIT_LIST_HEAD(&phba->rb_pend_list);
4947 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc;
4948 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free;
3772a991 4949
da0436e9
JS		 4950 /*
4951 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
4952 */
4953 /* Initialize the Abort scsi buffer list used by driver */
4954 spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock);
4955 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
4956 /* This abort list used by worker thread */
4957 spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock);
3772a991 4958
da0436e9 4959 /*
6d368e53 4960 * Initialize driver internal slow-path work queues
da0436e9 4961 */
3772a991 4962
da0436e9
JS		 4963 /* Driver internel slow-path CQ Event pool */
4964 INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool);
4965 /* Response IOCB work queue list */
45ed1190 4966 INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event);
da0436e9
JS		 4967 /* Asynchronous event CQ Event work queue list */
4968 INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue);
4969 /* Fast-path XRI aborted CQ Event work queue list */
4970 INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue);
4971 /* Slow-path XRI aborted CQ Event work queue list */
4972 INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue);
4973 /* Receive queue CQ Event work queue list */
4974 INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue);
4975
6d368e53
JS		 4976 /* Initialize extent block lists. */
4977 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list);
4978 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list);
4979 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list);
4980 INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list);
4981
da0436e9
JS		 4982 /* Initialize the driver internal SLI layer lists. */
4983 lpfc_sli_setup(phba);
4984 lpfc_sli_queue_setup(phba);
3772a991 4985
da0436e9
JS		 4986 /* Allocate device driver memory */
4987 rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ);
4988 if (rc)
4989 return -ENOMEM;
4990
2fcee4bf
JS		 4991 /* IF Type 2 ports get initialized now. */
4992 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
4993 LPFC_SLI_INTF_IF_TYPE_2) {
4994 rc = lpfc_pci_function_reset(phba);
4995 if (unlikely(rc))
4996 return -ENODEV;
4997 }
4998
da0436e9
JS		 4999 /* Create the bootstrap mailbox command */
5000 rc = lpfc_create_bootstrap_mbox(phba);
5001 if (unlikely(rc))
5002 goto out_free_mem;
5003
5004 /* Set up the host's endian order with the device. */
5005 rc = lpfc_setup_endian_order(phba);
5006 if (unlikely(rc))
5007 goto out_free_bsmbx;
5008
5009 /* Set up the hba's configuration parameters. */
5010 rc = lpfc_sli4_read_config(phba);
5011 if (unlikely(rc))
5012 goto out_free_bsmbx;
5013
2fcee4bf
JS		 5014 /* IF Type 0 ports get initialized now. */
5015 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
5016 LPFC_SLI_INTF_IF_TYPE_0) {
5017 rc = lpfc_pci_function_reset(phba);
5018 if (unlikely(rc))
5019 goto out_free_bsmbx;
5020 }
da0436e9 5021
cb5172ea
JS		 5022 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
5023 GFP_KERNEL);
5024 if (!mboxq) {
5025 rc = -ENOMEM;
5026 goto out_free_bsmbx;
5027 }
5028
fedd3b7b 5029 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
cb5172ea
JS		 5030 lpfc_supported_pages(mboxq);
5031 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
fedd3b7b
JS		 5032 if (!rc) {
5033 mqe = &mboxq->u.mqe;
5034 memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
5035 LPFC_MAX_SUPPORTED_PAGES);
5036 for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
5037 switch (pn_page[i]) {
5038 case LPFC_SLI4_PARAMETERS:
5039 phba->sli4_hba.pc_sli4_params.supported = 1;
5040 break;
5041 default:
5042 break;
5043 }
5044 }
5045 /* Read the port's SLI4 Parameters capabilities if supported. */
5046 if (phba->sli4_hba.pc_sli4_params.supported)
5047 rc = lpfc_pc_sli4_params_get(phba, mboxq);
5048 if (rc) {
5049 mempool_free(mboxq, phba->mbox_mem_pool);
5050 rc = -EIO;
5051 goto out_free_bsmbx;
cb5172ea
JS		 5052 }
5053 }
fedd3b7b
JS		 5054 /*
5055 * Get sli4 parameters that override parameters from Port capabilities.
6d368e53
JS		 5056 * If this call fails, it isn't critical unless the SLI4 parameters come
5057 * back in conflict.
fedd3b7b 5058 */
6d368e53
JS		 5059 rc = lpfc_get_sli4_parameters(phba, mboxq);
5060 if (rc) {
5061 if (phba->sli4_hba.extents_in_use &&
5062 phba->sli4_hba.rpi_hdrs_in_use) {
5063 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5064 "2999 Unsupported SLI4 Parameters "
5065 "Extents and RPI headers enabled.\n");
5066 goto out_free_bsmbx;
5067 }
5068 }
cb5172ea 5069 mempool_free(mboxq, phba->mbox_mem_pool);
5350d872
JS		 5070 /* Verify all the SLI4 queues */
5071 rc = lpfc_sli4_queue_verify(phba);
da0436e9
JS		 5072 if (rc)
5073 goto out_free_bsmbx;
5074
5075 /* Create driver internal CQE event pool */
5076 rc = lpfc_sli4_cq_event_pool_create(phba);
5077 if (rc)
5350d872 5078 goto out_free_bsmbx;
da0436e9 5079
8a9d2e80
JS		 5080 /* Initialize sgl lists per host */
5081 lpfc_init_sgl_list(phba);
5082
5083 /* Allocate and initialize active sgl array */
da0436e9
JS		 5084 rc = lpfc_init_active_sgl_array(phba);
5085 if (rc) {
5086 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5087 "1430 Failed to initialize sgl list.\n");
8a9d2e80 5088 goto out_destroy_cq_event_pool;
da0436e9 5089 }
da0436e9
JS		 5090 rc = lpfc_sli4_init_rpi_hdrs(phba);
5091 if (rc) {
5092 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5093 "1432 Failed to initialize rpi headers.\n");
5094 goto out_free_active_sgl;
5095 }
5096
a93ff37a 5097 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
0c9ab6f5
JS		 5098 longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG;
5099 phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long),
5100 GFP_KERNEL);
5101 if (!phba->fcf.fcf_rr_bmask) {
5102 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5103 "2759 Failed allocate memory for FCF round "
5104 "robin failover bmask\n");
0558056c 5105 rc = -ENOMEM;
0c9ab6f5
JS		 5106 goto out_remove_rpi_hdrs;
5107 }
5108
67d12733
JS		 5109 phba->sli4_hba.fcp_eq_hdl =
5110 kzalloc((sizeof(struct lpfc_fcp_eq_hdl) *
5111 phba->cfg_fcp_io_channel), GFP_KERNEL);
5112 if (!phba->sli4_hba.fcp_eq_hdl) {
5113 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5114 "2572 Failed allocate memory for "
5115 "fast-path per-EQ handle array\n");
5116 rc = -ENOMEM;
5117 goto out_free_fcf_rr_bmask;
da0436e9
JS		 5118 }
5119
5120 phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
82c3e9ba 5121 phba->cfg_fcp_io_channel), GFP_KERNEL);
da0436e9
JS		 5122 if (!phba->sli4_hba.msix_entries) {
5123 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5124 "2573 Failed allocate memory for msi-x "
5125 "interrupt vector entries\n");
0558056c 5126 rc = -ENOMEM;
da0436e9
JS		 5127 goto out_free_fcp_eq_hdl;
5128 }
5129
912e3acd
JS		 5130 /*
5131 * Enable sr-iov virtual functions if supported and configured
5132 * through the module parameter.
5133 */
5134 if (phba->cfg_sriov_nr_virtfn > 0) {
5135 rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
5136 phba->cfg_sriov_nr_virtfn);
5137 if (rc) {
5138 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
5139 "3020 Requested number of SR-IOV "
5140 "virtual functions (%d) is not "
5141 "supported\n",
5142 phba->cfg_sriov_nr_virtfn);
5143 phba->cfg_sriov_nr_virtfn = 0;
5144 }
5145 }
5146
5248a749 5147 return 0;
da0436e9
JS		 5148
5149out_free_fcp_eq_hdl:
5150 kfree(phba->sli4_hba.fcp_eq_hdl);
0c9ab6f5
JS		 5151out_free_fcf_rr_bmask:
5152 kfree(phba->fcf.fcf_rr_bmask);
da0436e9
JS		 5153out_remove_rpi_hdrs:
5154 lpfc_sli4_remove_rpi_hdrs(phba);
5155out_free_active_sgl:
5156 lpfc_free_active_sgl(phba);
da0436e9
JS		 5157out_destroy_cq_event_pool:
5158 lpfc_sli4_cq_event_pool_destroy(phba);
da0436e9
JS		 5159out_free_bsmbx:
5160 lpfc_destroy_bootstrap_mbox(phba);
5161out_free_mem:
5162 lpfc_mem_free(phba);
5163 return rc;
5164}
5165
5166/**
5167 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
5168 * @phba: pointer to lpfc hba data structure.
5169 *
5170 * This routine is invoked to unset the driver internal resources set up
5171 * specific for supporting the SLI-4 HBA device it attached to.
5172 **/
5173static void
5174lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
5175{
5176 struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
5177
da0436e9
JS		 5178 /* Free memory allocated for msi-x interrupt vector entries */
5179 kfree(phba->sli4_hba.msix_entries);
5180
5181 /* Free memory allocated for fast-path work queue handles */
5182 kfree(phba->sli4_hba.fcp_eq_hdl);
5183
5184 /* Free the allocated rpi headers. */
5185 lpfc_sli4_remove_rpi_hdrs(phba);
d11e31dd 5186 lpfc_sli4_remove_rpis(phba);
da0436e9 5187
0c9ab6f5
JS		 5188 /* Free eligible FCF index bmask */
5189 kfree(phba->fcf.fcf_rr_bmask);
5190
da0436e9
JS		 5191 /* Free the ELS sgl list */
5192 lpfc_free_active_sgl(phba);
8a9d2e80 5193 lpfc_free_els_sgl_list(phba);
da0436e9 5194
da0436e9
JS		 5195 /* Free the completion queue EQ event pool */
5196 lpfc_sli4_cq_event_release_all(phba);
5197 lpfc_sli4_cq_event_pool_destroy(phba);
5198
6d368e53
JS		 5199 /* Release resource identifiers. */
5200 lpfc_sli4_dealloc_resource_identifiers(phba);
5201
da0436e9
JS		 5202 /* Free the bsmbx region. */
5203 lpfc_destroy_bootstrap_mbox(phba);
5204
5205 /* Free the SLI Layer memory with SLI4 HBAs */
5206 lpfc_mem_free_all(phba);
5207
5208 /* Free the current connect table */
5209 list_for_each_entry_safe(conn_entry, next_conn_entry,
4d9ab994
JS		 5210 &phba->fcf_conn_rec_list, list) {
5211 list_del_init(&conn_entry->list);
da0436e9 5212 kfree(conn_entry);
4d9ab994 5213 }
da0436e9
JS		 5214
5215 return;
5216}
5217
5218/**
25985edc 5219 * lpfc_init_api_table_setup - Set up init api function jump table
da0436e9
JS		 5220 * @phba: The hba struct for which this call is being executed.
5221 * @dev_grp: The HBA PCI-Device group number.
5222 *
5223 * This routine sets up the device INIT interface API function jump table
5224 * in @phba struct.
5225 *
5226 * Returns: 0 - success, -ENODEV - failure.
5227 **/
5228int
5229lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
5230{
84d1b006
JS		 5231 phba->lpfc_hba_init_link = lpfc_hba_init_link;
5232 phba->lpfc_hba_down_link = lpfc_hba_down_link;
7f86059a 5233 phba->lpfc_selective_reset = lpfc_selective_reset;
da0436e9
JS		 5234 switch (dev_grp) {
5235 case LPFC_PCI_DEV_LP:
5236 phba->lpfc_hba_down_post = lpfc_hba_down_post_s3;
5237 phba->lpfc_handle_eratt = lpfc_handle_eratt_s3;
5238 phba->lpfc_stop_port = lpfc_stop_port_s3;
5239 break;
5240 case LPFC_PCI_DEV_OC:
5241 phba->lpfc_hba_down_post = lpfc_hba_down_post_s4;
5242 phba->lpfc_handle_eratt = lpfc_handle_eratt_s4;
5243 phba->lpfc_stop_port = lpfc_stop_port_s4;
5244 break;
5245 default:
5246 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5247 "1431 Invalid HBA PCI-device group: 0x%x\n",
5248 dev_grp);
5249 return -ENODEV;
5250 break;
5251 }
5252 return 0;
5253}
5254
5255/**
5256 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5257 * @phba: pointer to lpfc hba data structure.
5258 *
5259 * This routine is invoked to set up the driver internal resources before the
5260 * device specific resource setup to support the HBA device it attached to.
5261 *
5262 * Return codes
af901ca1 5263 * 0 - successful
da0436e9
JS		 5264 * other values - error
5265 **/
5266static int
5267lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba)
5268{
5269 /*
5270 * Driver resources common to all SLI revisions
5271 */
5272 atomic_set(&phba->fast_event_count, 0);
5273 spin_lock_init(&phba->hbalock);
5274
5275 /* Initialize ndlp management spinlock */
5276 spin_lock_init(&phba->ndlp_lock);
5277
5278 INIT_LIST_HEAD(&phba->port_list);
5279 INIT_LIST_HEAD(&phba->work_list);
5280 init_waitqueue_head(&phba->wait_4_mlo_m_q);
5281
5282 /* Initialize the wait queue head for the kernel thread */
5283 init_waitqueue_head(&phba->work_waitq);
5284
5285 /* Initialize the scsi buffer list used by driver for scsi IO */
5286 spin_lock_init(&phba->scsi_buf_list_lock);
5287 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
5288
5289 /* Initialize the fabric iocb list */
5290 INIT_LIST_HEAD(&phba->fabric_iocb_list);
5291
5292 /* Initialize list to save ELS buffers */
5293 INIT_LIST_HEAD(&phba->elsbuf);
5294
5295 /* Initialize FCF connection rec list */
5296 INIT_LIST_HEAD(&phba->fcf_conn_rec_list);
5297
5298 return 0;
5299}
5300
5301/**
5302 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
5303 * @phba: pointer to lpfc hba data structure.
5304 *
5305 * This routine is invoked to set up the driver internal resources after the
5306 * device specific resource setup to support the HBA device it attached to.
5307 *
5308 * Return codes
af901ca1 5309 * 0 - successful
da0436e9
JS		 5310 * other values - error
5311 **/
5312static int
5313lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba)
5314{
5315 int error;
5316
5317 /* Startup the kernel thread for this host adapter. */
5318 phba->worker_thread = kthread_run(lpfc_do_work, phba,
5319 "lpfc_worker_%d", phba->brd_no);
5320 if (IS_ERR(phba->worker_thread)) {
5321 error = PTR_ERR(phba->worker_thread);
5322 return error;
3772a991
JS		 5323 }
5324
5325 return 0;
5326}
5327
5328/**
5329 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
5330 * @phba: pointer to lpfc hba data structure.
5331 *
5332 * This routine is invoked to unset the driver internal resources set up after
5333 * the device specific resource setup for supporting the HBA device it
5334 * attached to.
5335 **/
5336static void
5337lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba)
5338{
5339 /* Stop kernel worker thread */
5340 kthread_stop(phba->worker_thread);
5341}
5342
5343/**
5344 * lpfc_free_iocb_list - Free iocb list.
5345 * @phba: pointer to lpfc hba data structure.
5346 *
5347 * This routine is invoked to free the driver's IOCB list and memory.
5348 **/
5349static void
5350lpfc_free_iocb_list(struct lpfc_hba *phba)
5351{
5352 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
5353
5354 spin_lock_irq(&phba->hbalock);
5355 list_for_each_entry_safe(iocbq_entry, iocbq_next,
5356 &phba->lpfc_iocb_list, list) {
5357 list_del(&iocbq_entry->list);
5358 kfree(iocbq_entry);
5359 phba->total_iocbq_bufs--;
98c9ea5c 5360 }
3772a991
JS		 5361 spin_unlock_irq(&phba->hbalock);
5362
5363 return;
5364}
5365
5366/**
5367 * lpfc_init_iocb_list - Allocate and initialize iocb list.
5368 * @phba: pointer to lpfc hba data structure.
5369 *
5370 * This routine is invoked to allocate and initizlize the driver's IOCB
5371 * list and set up the IOCB tag array accordingly.
5372 *
5373 * Return codes
af901ca1 5374 * 0 - successful
3772a991
JS		 5375 * other values - error
5376 **/
5377static int
5378lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count)
5379{
5380 struct lpfc_iocbq *iocbq_entry = NULL;
5381 uint16_t iotag;
5382 int i;
dea3101e 5383
5384 /* Initialize and populate the iocb list per host. */
5385 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
3772a991 5386 for (i = 0; i < iocb_count; i++) {
dd00cc48 5387 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
dea3101e 5388 if (iocbq_entry == NULL) {
5389 printk(KERN_ERR "%s: only allocated %d iocbs of "
5390 "expected %d count. Unloading driver.\n",
cadbd4a5 5391 __func__, i, LPFC_IOCB_LIST_CNT);
dea3101e 5392 goto out_free_iocbq;
5393 }
5394
604a3e30
JB		 5395 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
5396 if (iotag == 0) {
3772a991 5397 kfree(iocbq_entry);
604a3e30 5398 printk(KERN_ERR "%s: failed to allocate IOTAG. "
3772a991 5399 "Unloading driver.\n", __func__);
604a3e30
JB		 5400 goto out_free_iocbq;
5401 }
6d368e53 5402 iocbq_entry->sli4_lxritag = NO_XRI;
3772a991 5403 iocbq_entry->sli4_xritag = NO_XRI;
2e0fef85
JS		 5404
5405 spin_lock_irq(&phba->hbalock);
dea3101e 5406 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
5407 phba->total_iocbq_bufs++;
2e0fef85 5408 spin_unlock_irq(&phba->hbalock);
dea3101e 5409 }
5410
3772a991 5411 return 0;
dea3101e 5412
3772a991
JS		 5413out_free_iocbq:
5414 lpfc_free_iocb_list(phba);
dea3101e 5415
3772a991
JS		 5416 return -ENOMEM;
5417}
5e9d9b82 5418
3772a991 5419/**
8a9d2e80 5420 * lpfc_free_sgl_list - Free a given sgl list.
da0436e9 5421 * @phba: pointer to lpfc hba data structure.
8a9d2e80 5422 * @sglq_list: pointer to the head of sgl list.
3772a991 5423 *
8a9d2e80 5424 * This routine is invoked to free a give sgl list and memory.
3772a991 5425 **/
8a9d2e80
JS		 5426void
5427lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list)
3772a991 5428{
da0436e9 5429 struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
8a9d2e80
JS		 5430
5431 list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) {
5432 list_del(&sglq_entry->list);
5433 lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys);
5434 kfree(sglq_entry);
5435 }
5436}
5437
5438/**
5439 * lpfc_free_els_sgl_list - Free els sgl list.
5440 * @phba: pointer to lpfc hba data structure.
5441 *
5442 * This routine is invoked to free the driver's els sgl list and memory.
5443 **/
5444static void
5445lpfc_free_els_sgl_list(struct lpfc_hba *phba)
5446{
da0436e9 5447 LIST_HEAD(sglq_list);
dea3101e 5448
8a9d2e80 5449 /* Retrieve all els sgls from driver list */
da0436e9
JS		 5450 spin_lock_irq(&phba->hbalock);
5451 list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list);
5452 spin_unlock_irq(&phba->hbalock);
dea3101e 5453
8a9d2e80
JS		 5454 /* Now free the sgl list */
5455 lpfc_free_sgl_list(phba, &sglq_list);
da0436e9 5456}
92d7f7b0 5457
da0436e9
JS		 5458/**
5459 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
5460 * @phba: pointer to lpfc hba data structure.
5461 *
5462 * This routine is invoked to allocate the driver's active sgl memory.
5463 * This array will hold the sglq_entry's for active IOs.
5464 **/
5465static int
5466lpfc_init_active_sgl_array(struct lpfc_hba *phba)
5467{
5468 int size;
5469 size = sizeof(struct lpfc_sglq *);
5470 size *= phba->sli4_hba.max_cfg_param.max_xri;
5471
5472 phba->sli4_hba.lpfc_sglq_active_list =
5473 kzalloc(size, GFP_KERNEL);
5474 if (!phba->sli4_hba.lpfc_sglq_active_list)
5475 return -ENOMEM;
5476 return 0;
3772a991
JS		 5477}
5478
5479/**
da0436e9 5480 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
3772a991
JS		 5481 * @phba: pointer to lpfc hba data structure.
5482 *
da0436e9
JS		 5483 * This routine is invoked to walk through the array of active sglq entries
5484 * and free all of the resources.
5485 * This is just a place holder for now.
3772a991
JS		 5486 **/
5487static void
da0436e9 5488lpfc_free_active_sgl(struct lpfc_hba *phba)
3772a991 5489{
da0436e9 5490 kfree(phba->sli4_hba.lpfc_sglq_active_list);
3772a991
JS		 5491}
5492
5493/**
da0436e9 5494 * lpfc_init_sgl_list - Allocate and initialize sgl list.
3772a991
JS		 5495 * @phba: pointer to lpfc hba data structure.
5496 *
da0436e9
JS		 5497 * This routine is invoked to allocate and initizlize the driver's sgl
5498 * list and set up the sgl xritag tag array accordingly.
3772a991 5499 *
3772a991 5500 **/
8a9d2e80 5501static void
da0436e9 5502lpfc_init_sgl_list(struct lpfc_hba *phba)
3772a991 5503{
da0436e9
JS		 5504 /* Initialize and populate the sglq list per host/VF. */
5505 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list);
5506 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list);
5507
8a9d2e80
JS		 5508 /* els xri-sgl book keeping */
5509 phba->sli4_hba.els_xri_cnt = 0;
0ff10d46 5510
8a9d2e80 5511 /* scsi xri-buffer book keeping */
da0436e9 5512 phba->sli4_hba.scsi_xri_cnt = 0;
da0436e9
JS		 5513}
5514
5515/**
5516 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5517 * @phba: pointer to lpfc hba data structure.
5518 *
5519 * This routine is invoked to post rpi header templates to the
88a2cfbb 5520 * port for those SLI4 ports that do not support extents. This routine
da0436e9 5521 * posts a PAGE_SIZE memory region to the port to hold up to
88a2cfbb
JS		 5522 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5523 * and should be called only when interrupts are disabled.
da0436e9
JS		 5524 *
5525 * Return codes
af901ca1 5526 * 0 - successful
88a2cfbb 5527 * -ERROR - otherwise.
da0436e9
JS		 5528 **/
5529int
5530lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba)
5531{
5532 int rc = 0;
da0436e9
JS		 5533 struct lpfc_rpi_hdr *rpi_hdr;
5534
5535 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list);
ff78d8f9 5536 if (!phba->sli4_hba.rpi_hdrs_in_use)
6d368e53 5537 return rc;
6d368e53
JS		 5538 if (phba->sli4_hba.extents_in_use)
5539 return -EIO;
da0436e9
JS		 5540
5541 rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
5542 if (!rpi_hdr) {
5543 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
5544 "0391 Error during rpi post operation\n");
5545 lpfc_sli4_remove_rpis(phba);
5546 rc = -ENODEV;
5547 }
5548
5549 return rc;
5550}
5551
5552/**
5553 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5554 * @phba: pointer to lpfc hba data structure.
5555 *
5556 * This routine is invoked to allocate a single 4KB memory region to
5557 * support rpis and stores them in the phba. This single region
5558 * provides support for up to 64 rpis. The region is used globally
5559 * by the device.
5560 *
5561 * Returns:
5562 * A valid rpi hdr on success.
5563 * A NULL pointer on any failure.
5564 **/
5565struct lpfc_rpi_hdr *
5566lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
5567{
5568 uint16_t rpi_limit, curr_rpi_range;
5569 struct lpfc_dmabuf *dmabuf;
5570 struct lpfc_rpi_hdr *rpi_hdr;
9589b062 5571 uint32_t rpi_count;
da0436e9 5572
6d368e53
JS		 5573 /*
5574 * If the SLI4 port supports extents, posting the rpi header isn't
5575 * required. Set the expected maximum count and let the actual value
5576 * get set when extents are fully allocated.
5577 */
5578 if (!phba->sli4_hba.rpi_hdrs_in_use)
5579 return NULL;
5580 if (phba->sli4_hba.extents_in_use)
5581 return NULL;
5582
5583 /* The limit on the logical index is just the max_rpi count. */
da0436e9 5584 rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base +
6d368e53 5585 phba->sli4_hba.max_cfg_param.max_rpi - 1;
da0436e9
JS		 5586
5587 spin_lock_irq(&phba->hbalock);
6d368e53
JS		 5588 /*
5589 * Establish the starting RPI in this header block. The starting
5590 * rpi is normalized to a zero base because the physical rpi is
5591 * port based.
5592 */
97f2ecf1 5593 curr_rpi_range = phba->sli4_hba.next_rpi;
da0436e9
JS		 5594 spin_unlock_irq(&phba->hbalock);
5595
5596 /*
5597 * The port has a limited number of rpis. The increment here
5598 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5599 * and to allow the full max_rpi range per port.
5600 */
5601 if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit)
9589b062
JS		 5602 rpi_count = rpi_limit - curr_rpi_range;
5603 else
5604 rpi_count = LPFC_RPI_HDR_COUNT;
da0436e9 5605
6d368e53
JS		 5606 if (!rpi_count)
5607 return NULL;
da0436e9
JS		 5608 /*
5609 * First allocate the protocol header region for the port. The
5610 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5611 */
5612 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
5613 if (!dmabuf)
5614 return NULL;
5615
5616 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
5617 LPFC_HDR_TEMPLATE_SIZE,
5618 &dmabuf->phys,
5619 GFP_KERNEL);
5620 if (!dmabuf->virt) {
5621 rpi_hdr = NULL;
5622 goto err_free_dmabuf;
5623 }
5624
5625 memset(dmabuf->virt, 0, LPFC_HDR_TEMPLATE_SIZE);
5626 if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) {
5627 rpi_hdr = NULL;
5628 goto err_free_coherent;
5629 }
5630
5631 /* Save the rpi header data for cleanup later. */
5632 rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL);
5633 if (!rpi_hdr)
5634 goto err_free_coherent;
5635
5636 rpi_hdr->dmabuf = dmabuf;
5637 rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE;
5638 rpi_hdr->page_count = 1;
5639 spin_lock_irq(&phba->hbalock);
6d368e53
JS		 5640
5641 /* The rpi_hdr stores the logical index only. */
5642 rpi_hdr->start_rpi = curr_rpi_range;
da0436e9
JS		 5643 list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list);
5644
5645 /*
6d368e53
JS		 5646 * The next_rpi stores the next logical module-64 rpi value used
5647 * to post physical rpis in subsequent rpi postings.
da0436e9 5648 */
9589b062 5649 phba->sli4_hba.next_rpi += rpi_count;
da0436e9
JS		 5650 spin_unlock_irq(&phba->hbalock);
5651 return rpi_hdr;
5652
5653 err_free_coherent:
5654 dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE,
5655 dmabuf->virt, dmabuf->phys);
5656 err_free_dmabuf:
5657 kfree(dmabuf);
5658 return NULL;
5659}
5660
5661/**
5662 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5663 * @phba: pointer to lpfc hba data structure.
5664 *
5665 * This routine is invoked to remove all memory resources allocated
6d368e53
JS		 5666 * to support rpis for SLI4 ports not supporting extents. This routine
5667 * presumes the caller has released all rpis consumed by fabric or port
5668 * logins and is prepared to have the header pages removed.
da0436e9
JS		 5669 **/
5670void
5671lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba)
5672{
5673 struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr;
5674
6d368e53
JS		 5675 if (!phba->sli4_hba.rpi_hdrs_in_use)
5676 goto exit;
5677
da0436e9
JS		 5678 list_for_each_entry_safe(rpi_hdr, next_rpi_hdr,
5679 &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
5680 list_del(&rpi_hdr->list);
5681 dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len,
5682 rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys);
5683 kfree(rpi_hdr->dmabuf);
5684 kfree(rpi_hdr);
5685 }
6d368e53
JS		 5686 exit:
5687 /* There are no rpis available to the port now. */
5688 phba->sli4_hba.next_rpi = 0;
da0436e9
JS		 5689}
5690
5691/**
5692 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5693 * @pdev: pointer to pci device data structure.
5694 *
5695 * This routine is invoked to allocate the driver hba data structure for an
5696 * HBA device. If the allocation is successful, the phba reference to the
5697 * PCI device data structure is set.
5698 *
5699 * Return codes
af901ca1 5700 * pointer to @phba - successful
da0436e9
JS		 5701 * NULL - error
5702 **/
5703static struct lpfc_hba *
5704lpfc_hba_alloc(struct pci_dev *pdev)
5705{
5706 struct lpfc_hba *phba;
5707
5708 /* Allocate memory for HBA structure */
5709 phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL);
5710 if (!phba) {
e34ccdfe 5711 dev_err(&pdev->dev, "failed to allocate hba struct\n");
da0436e9
JS		 5712 return NULL;
5713 }
5714
5715 /* Set reference to PCI device in HBA structure */
5716 phba->pcidev = pdev;
5717
5718 /* Assign an unused board number */
5719 phba->brd_no = lpfc_get_instance();
5720 if (phba->brd_no < 0) {
5721 kfree(phba);
5722 return NULL;
5723 }
5724
4fede78f 5725 spin_lock_init(&phba->ct_ev_lock);
f1c3b0fc
JS		 5726 INIT_LIST_HEAD(&phba->ct_ev_waiters);
5727
da0436e9
JS		 5728 return phba;
5729}
5730
5731/**
5732 * lpfc_hba_free - Free driver hba data structure with a device.
5733 * @phba: pointer to lpfc hba data structure.
5734 *
5735 * This routine is invoked to free the driver hba data structure with an
5736 * HBA device.
5737 **/
5738static void
5739lpfc_hba_free(struct lpfc_hba *phba)
5740{
5741 /* Release the driver assigned board number */
5742 idr_remove(&lpfc_hba_index, phba->brd_no);
5743
2a76a283
JS		 5744 /* Free memory allocated with sli rings */
5745 kfree(phba->sli.ring);
5746 phba->sli.ring = NULL;
5747
da0436e9
JS		 5748 kfree(phba);
5749 return;
5750}
5751
5752/**
5753 * lpfc_create_shost - Create hba physical port with associated scsi host.
5754 * @phba: pointer to lpfc hba data structure.
5755 *
5756 * This routine is invoked to create HBA physical port and associate a SCSI
5757 * host with it.
5758 *
5759 * Return codes
af901ca1 5760 * 0 - successful
da0436e9
JS		 5761 * other values - error
5762 **/
5763static int
5764lpfc_create_shost(struct lpfc_hba *phba)
5765{
5766 struct lpfc_vport *vport;
5767 struct Scsi_Host *shost;
5768
5769 /* Initialize HBA FC structure */
5770 phba->fc_edtov = FF_DEF_EDTOV;
5771 phba->fc_ratov = FF_DEF_RATOV;
5772 phba->fc_altov = FF_DEF_ALTOV;
5773 phba->fc_arbtov = FF_DEF_ARBTOV;
5774
d7c47992 5775 atomic_set(&phba->sdev_cnt, 0);
da0436e9
JS		 5776 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
5777 if (!vport)
5778 return -ENODEV;
5779
5780 shost = lpfc_shost_from_vport(vport);
5781 phba->pport = vport;
5782 lpfc_debugfs_initialize(vport);
5783 /* Put reference to SCSI host to driver's device private data */
5784 pci_set_drvdata(phba->pcidev, shost);
2e0fef85 5785
3772a991
JS		 5786 return 0;
5787}
db2378e0 5788
3772a991
JS		 5789/**
5790 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
5791 * @phba: pointer to lpfc hba data structure.
5792 *
5793 * This routine is invoked to destroy HBA physical port and the associated
5794 * SCSI host.
5795 **/
5796static void
5797lpfc_destroy_shost(struct lpfc_hba *phba)
5798{
5799 struct lpfc_vport *vport = phba->pport;
5800
5801 /* Destroy physical port that associated with the SCSI host */
5802 destroy_port(vport);
5803
5804 return;
5805}
5806
5807/**
5808 * lpfc_setup_bg - Setup Block guard structures and debug areas.
5809 * @phba: pointer to lpfc hba data structure.
5810 * @shost: the shost to be used to detect Block guard settings.
5811 *
5812 * This routine sets up the local Block guard protocol settings for @shost.
5813 * This routine also allocates memory for debugging bg buffers.
5814 **/
5815static void
5816lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost)
5817{
bbeb79b9
JS		 5818 uint32_t old_mask;
5819 uint32_t old_guard;
5820
3772a991
JS		 5821 int pagecnt = 10;
5822 if (lpfc_prot_mask && lpfc_prot_guard) {
5823 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5824 "1478 Registering BlockGuard with the "
5825 "SCSI layer\n");
bbeb79b9
JS		 5826
5827 old_mask = lpfc_prot_mask;
5828 old_guard = lpfc_prot_guard;
5829
5830 /* Only allow supported values */
5831 lpfc_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION |
5832 SHOST_DIX_TYPE0_PROTECTION |
5833 SHOST_DIX_TYPE1_PROTECTION);
5834 lpfc_prot_guard &= (SHOST_DIX_GUARD_IP | SHOST_DIX_GUARD_CRC);
5835
5836 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
5837 if (lpfc_prot_mask == SHOST_DIX_TYPE1_PROTECTION)
5838 lpfc_prot_mask |= SHOST_DIF_TYPE1_PROTECTION;
5839
5840 if (lpfc_prot_mask && lpfc_prot_guard) {
5841 if ((old_mask != lpfc_prot_mask) ||
5842 (old_guard != lpfc_prot_guard))
5843 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5844 "1475 Registering BlockGuard with the "
5845 "SCSI layer: mask %d guard %d\n",
5846 lpfc_prot_mask, lpfc_prot_guard);
5847
5848 scsi_host_set_prot(shost, lpfc_prot_mask);
5849 scsi_host_set_guard(shost, lpfc_prot_guard);
5850 } else
5851 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5852 "1479 Not Registering BlockGuard with the SCSI "
5853 "layer, Bad protection parameters: %d %d\n",
5854 old_mask, old_guard);
3772a991 5855 }
bbeb79b9 5856
3772a991
JS		 5857 if (!_dump_buf_data) {
5858 while (pagecnt) {
5859 spin_lock_init(&_dump_buf_lock);
5860 _dump_buf_data =
5861 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
5862 if (_dump_buf_data) {
6a9c52cf
JS		 5863 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5864 "9043 BLKGRD: allocated %d pages for "
3772a991
JS		 5865 "_dump_buf_data at 0x%p\n",
5866 (1 << pagecnt), _dump_buf_data);
5867 _dump_buf_data_order = pagecnt;
5868 memset(_dump_buf_data, 0,
5869 ((1 << PAGE_SHIFT) << pagecnt));
5870 break;
5871 } else
5872 --pagecnt;
5873 }
5874 if (!_dump_buf_data_order)
6a9c52cf
JS		 5875 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5876 "9044 BLKGRD: ERROR unable to allocate "
3772a991
JS		 5877 "memory for hexdump\n");
5878 } else
6a9c52cf
JS		 5879 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5880 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
3772a991
JS		 5881 "\n", _dump_buf_data);
5882 if (!_dump_buf_dif) {
5883 while (pagecnt) {
5884 _dump_buf_dif =
5885 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
5886 if (_dump_buf_dif) {
6a9c52cf
JS		 5887 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5888 "9046 BLKGRD: allocated %d pages for "
3772a991
JS		 5889 "_dump_buf_dif at 0x%p\n",
5890 (1 << pagecnt), _dump_buf_dif);
5891 _dump_buf_dif_order = pagecnt;
5892 memset(_dump_buf_dif, 0,
5893 ((1 << PAGE_SHIFT) << pagecnt));
5894 break;
5895 } else
5896 --pagecnt;
5897 }
5898 if (!_dump_buf_dif_order)
6a9c52cf
JS		 5899 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5900 "9047 BLKGRD: ERROR unable to allocate "
3772a991
JS		 5901 "memory for hexdump\n");
5902 } else
6a9c52cf
JS		 5903 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
5904 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
3772a991
JS		 5905 _dump_buf_dif);
5906}
5907
5908/**
5909 * lpfc_post_init_setup - Perform necessary device post initialization setup.
5910 * @phba: pointer to lpfc hba data structure.
5911 *
5912 * This routine is invoked to perform all the necessary post initialization
5913 * setup for the device.
5914 **/
5915static void
5916lpfc_post_init_setup(struct lpfc_hba *phba)
5917{
5918 struct Scsi_Host *shost;
5919 struct lpfc_adapter_event_header adapter_event;
5920
5921 /* Get the default values for Model Name and Description */
5922 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
5923
5924 /*
5925 * hba setup may have changed the hba_queue_depth so we need to
5926 * adjust the value of can_queue.
5927 */
5928 shost = pci_get_drvdata(phba->pcidev);
5929 shost->can_queue = phba->cfg_hba_queue_depth - 10;
5930 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
5931 lpfc_setup_bg(phba, shost);
5932
5933 lpfc_host_attrib_init(shost);
5934
5935 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
5936 spin_lock_irq(shost->host_lock);
5937 lpfc_poll_start_timer(phba);
5938 spin_unlock_irq(shost->host_lock);
5939 }
5940
5941 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5942 "0428 Perform SCSI scan\n");
5943 /* Send board arrival event to upper layer */
5944 adapter_event.event_type = FC_REG_ADAPTER_EVENT;
5945 adapter_event.subcategory = LPFC_EVENT_ARRIVAL;
5946 fc_host_post_vendor_event(shost, fc_get_event_number(),
5947 sizeof(adapter_event),
5948 (char *) &adapter_event,
5949 LPFC_NL_VENDOR_ID);
5950 return;
5951}
5952
5953/**
5954 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
5955 * @phba: pointer to lpfc hba data structure.
5956 *
5957 * This routine is invoked to set up the PCI device memory space for device
5958 * with SLI-3 interface spec.
5959 *
5960 * Return codes
af901ca1 5961 * 0 - successful
3772a991
JS		 5962 * other values - error
5963 **/
5964static int
5965lpfc_sli_pci_mem_setup(struct lpfc_hba *phba)
5966{
5967 struct pci_dev *pdev;
5968 unsigned long bar0map_len, bar2map_len;
5969 int i, hbq_count;
5970 void *ptr;
5971 int error = -ENODEV;
5972
5973 /* Obtain PCI device reference */
5974 if (!phba->pcidev)
5975 return error;
5976 else
5977 pdev = phba->pcidev;
5978
5979 /* Set the device DMA mask size */
8e68597d
MR		 5980 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
5981 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
5982 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
5983 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
3772a991 5984 return error;
8e68597d
MR		 5985 }
5986 }
3772a991
JS		 5987
5988 /* Get the bus address of Bar0 and Bar2 and the number of bytes
5989 * required by each mapping.
5990 */
5991 phba->pci_bar0_map = pci_resource_start(pdev, 0);
5992 bar0map_len = pci_resource_len(pdev, 0);
5993
5994 phba->pci_bar2_map = pci_resource_start(pdev, 2);
5995 bar2map_len = pci_resource_len(pdev, 2);
5996
5997 /* Map HBA SLIM to a kernel virtual address. */
5998 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
5999 if (!phba->slim_memmap_p) {
6000 dev_printk(KERN_ERR, &pdev->dev,
6001 "ioremap failed for SLIM memory.\n");
6002 goto out;
6003 }
6004
6005 /* Map HBA Control Registers to a kernel virtual address. */
6006 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
6007 if (!phba->ctrl_regs_memmap_p) {
6008 dev_printk(KERN_ERR, &pdev->dev,
6009 "ioremap failed for HBA control registers.\n");
6010 goto out_iounmap_slim;
6011 }
6012
6013 /* Allocate memory for SLI-2 structures */
6014 phba->slim2p.virt = dma_alloc_coherent(&pdev->dev,
6015 SLI2_SLIM_SIZE,
6016 &phba->slim2p.phys,
6017 GFP_KERNEL);
6018 if (!phba->slim2p.virt)
6019 goto out_iounmap;
6020
6021 memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE);
6022 phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
7a470277
JS		 6023 phba->mbox_ext = (phba->slim2p.virt +
6024 offsetof(struct lpfc_sli2_slim, mbx_ext_words));
3772a991
JS		 6025 phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
6026 phba->IOCBs = (phba->slim2p.virt +
6027 offsetof(struct lpfc_sli2_slim, IOCBs));
6028
6029 phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev,
6030 lpfc_sli_hbq_size(),
6031 &phba->hbqslimp.phys,
6032 GFP_KERNEL);
6033 if (!phba->hbqslimp.virt)
6034 goto out_free_slim;
6035
6036 hbq_count = lpfc_sli_hbq_count();
6037 ptr = phba->hbqslimp.virt;
6038 for (i = 0; i < hbq_count; ++i) {
6039 phba->hbqs[i].hbq_virt = ptr;
6040 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
6041 ptr += (lpfc_hbq_defs[i]->entry_count *
6042 sizeof(struct lpfc_hbq_entry));
6043 }
6044 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
6045 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
6046
6047 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
6048
6049 INIT_LIST_HEAD(&phba->rb_pend_list);
6050
6051 phba->MBslimaddr = phba->slim_memmap_p;
6052 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
6053 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
6054 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
6055 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
6056
6057 return 0;
6058
6059out_free_slim:
6060 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
6061 phba->slim2p.virt, phba->slim2p.phys);
6062out_iounmap:
6063 iounmap(phba->ctrl_regs_memmap_p);
6064out_iounmap_slim:
6065 iounmap(phba->slim_memmap_p);
6066out:
6067 return error;
6068}
6069
6070/**
6071 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
6072 * @phba: pointer to lpfc hba data structure.
6073 *
6074 * This routine is invoked to unset the PCI device memory space for device
6075 * with SLI-3 interface spec.
6076 **/
6077static void
6078lpfc_sli_pci_mem_unset(struct lpfc_hba *phba)
6079{
6080 struct pci_dev *pdev;
6081
6082 /* Obtain PCI device reference */
6083 if (!phba->pcidev)
6084 return;
6085 else
6086 pdev = phba->pcidev;
6087
6088 /* Free coherent DMA memory allocated */
6089 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
6090 phba->hbqslimp.virt, phba->hbqslimp.phys);
6091 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
6092 phba->slim2p.virt, phba->slim2p.phys);
6093
6094 /* I/O memory unmap */
6095 iounmap(phba->ctrl_regs_memmap_p);
6096 iounmap(phba->slim_memmap_p);
6097
6098 return;
6099}
6100
6101/**
da0436e9 6102 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
3772a991
JS		 6103 * @phba: pointer to lpfc hba data structure.
6104 *
da0436e9
JS		 6105 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
6106 * done and check status.
3772a991 6107 *
da0436e9 6108 * Return 0 if successful, otherwise -ENODEV.
3772a991 6109 **/
da0436e9
JS		 6110int
6111lpfc_sli4_post_status_check(struct lpfc_hba *phba)
3772a991 6112{
2fcee4bf
JS		 6113 struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg;
6114 struct lpfc_register reg_data;
6115 int i, port_error = 0;
6116 uint32_t if_type;
3772a991 6117
9940b97b
JS		 6118 memset(&portsmphr_reg, 0, sizeof(portsmphr_reg));
6119 memset(&reg_data, 0, sizeof(reg_data));
2fcee4bf 6120 if (!phba->sli4_hba.PSMPHRregaddr)
da0436e9 6121 return -ENODEV;
3772a991 6122
da0436e9
JS		 6123 /* Wait up to 30 seconds for the SLI Port POST done and ready */
6124 for (i = 0; i < 3000; i++) {
9940b97b
JS		 6125 if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr,
6126 &portsmphr_reg.word0) ||
6127 (bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) {
2fcee4bf 6128 /* Port has a fatal POST error, break out */
da0436e9
JS		 6129 port_error = -ENODEV;
6130 break;
6131 }
2fcee4bf
JS		 6132 if (LPFC_POST_STAGE_PORT_READY ==
6133 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg))
da0436e9 6134 break;
da0436e9 6135 msleep(10);
3772a991
JS		 6136 }
6137
2fcee4bf
JS		 6138 /*
6139 * If there was a port error during POST, then don't proceed with
6140 * other register reads as the data may not be valid. Just exit.
6141 */
6142 if (port_error) {
da0436e9 6143 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2fcee4bf
JS		 6144 "1408 Port Failed POST - portsmphr=0x%x, "
6145 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
6146 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
6147 portsmphr_reg.word0,
6148 bf_get(lpfc_port_smphr_perr, &portsmphr_reg),
6149 bf_get(lpfc_port_smphr_sfi, &portsmphr_reg),
6150 bf_get(lpfc_port_smphr_nip, &portsmphr_reg),
6151 bf_get(lpfc_port_smphr_ipc, &portsmphr_reg),
6152 bf_get(lpfc_port_smphr_scr1, &portsmphr_reg),
6153 bf_get(lpfc_port_smphr_scr2, &portsmphr_reg),
6154 bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg),
6155 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg));
6156 } else {
28baac74 6157 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2fcee4bf
JS		 6158 "2534 Device Info: SLIFamily=0x%x, "
6159 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
6160 "SLIHint_2=0x%x, FT=0x%x\n",
28baac74
JS		 6161 bf_get(lpfc_sli_intf_sli_family,
6162 &phba->sli4_hba.sli_intf),
6163 bf_get(lpfc_sli_intf_slirev,
6164 &phba->sli4_hba.sli_intf),
085c647c
JS		 6165 bf_get(lpfc_sli_intf_if_type,
6166 &phba->sli4_hba.sli_intf),
6167 bf_get(lpfc_sli_intf_sli_hint1,
28baac74 6168 &phba->sli4_hba.sli_intf),
085c647c
JS		 6169 bf_get(lpfc_sli_intf_sli_hint2,
6170 &phba->sli4_hba.sli_intf),
6171 bf_get(lpfc_sli_intf_func_type,
28baac74 6172 &phba->sli4_hba.sli_intf));
2fcee4bf
JS		 6173 /*
6174 * Check for other Port errors during the initialization
6175 * process. Fail the load if the port did not come up
6176 * correctly.
6177 */
6178 if_type = bf_get(lpfc_sli_intf_if_type,
6179 &phba->sli4_hba.sli_intf);
6180 switch (if_type) {
6181 case LPFC_SLI_INTF_IF_TYPE_0:
6182 phba->sli4_hba.ue_mask_lo =
6183 readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr);
6184 phba->sli4_hba.ue_mask_hi =
6185 readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr);
6186 uerrlo_reg.word0 =
6187 readl(phba->sli4_hba.u.if_type0.UERRLOregaddr);
6188 uerrhi_reg.word0 =
6189 readl(phba->sli4_hba.u.if_type0.UERRHIregaddr);
6190 if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) ||
6191 (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) {
6192 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6193 "1422 Unrecoverable Error "
6194 "Detected during POST "
6195 "uerr_lo_reg=0x%x, "
6196 "uerr_hi_reg=0x%x, "
6197 "ue_mask_lo_reg=0x%x, "
6198 "ue_mask_hi_reg=0x%x\n",
6199 uerrlo_reg.word0,
6200 uerrhi_reg.word0,
6201 phba->sli4_hba.ue_mask_lo,
6202 phba->sli4_hba.ue_mask_hi);
6203 port_error = -ENODEV;
6204 }
6205 break;
6206 case LPFC_SLI_INTF_IF_TYPE_2:
6207 /* Final checks. The port status should be clean. */
9940b97b
JS		 6208 if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
6209 &reg_data.word0) ||
0558056c
JS		 6210 (bf_get(lpfc_sliport_status_err, &reg_data) &&
6211 !bf_get(lpfc_sliport_status_rn, &reg_data))) {
2fcee4bf
JS		 6212 phba->work_status[0] =
6213 readl(phba->sli4_hba.u.if_type2.
6214 ERR1regaddr);
6215 phba->work_status[1] =
6216 readl(phba->sli4_hba.u.if_type2.
6217 ERR2regaddr);
6218 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8fcb8acd
JS		 6219 "2888 Unrecoverable port error "
6220 "following POST: port status reg "
6221 "0x%x, port_smphr reg 0x%x, "
2fcee4bf
JS		 6222 "error 1=0x%x, error 2=0x%x\n",
6223 reg_data.word0,
6224 portsmphr_reg.word0,
6225 phba->work_status[0],
6226 phba->work_status[1]);
6227 port_error = -ENODEV;
6228 }
6229 break;
6230 case LPFC_SLI_INTF_IF_TYPE_1:
6231 default:
6232 break;
6233 }
28baac74 6234 }
da0436e9
JS		 6235 return port_error;
6236}
3772a991 6237
da0436e9
JS		 6238/**
6239 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
6240 * @phba: pointer to lpfc hba data structure.
2fcee4bf 6241 * @if_type: The SLI4 interface type getting configured.
da0436e9
JS		 6242 *
6243 * This routine is invoked to set up SLI4 BAR0 PCI config space register
6244 * memory map.
6245 **/
6246static void
2fcee4bf
JS		 6247lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type)
6248{
6249 switch (if_type) {
6250 case LPFC_SLI_INTF_IF_TYPE_0:
6251 phba->sli4_hba.u.if_type0.UERRLOregaddr =
6252 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO;
6253 phba->sli4_hba.u.if_type0.UERRHIregaddr =
6254 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI;
6255 phba->sli4_hba.u.if_type0.UEMASKLOregaddr =
6256 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO;
6257 phba->sli4_hba.u.if_type0.UEMASKHIregaddr =
6258 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI;
6259 phba->sli4_hba.SLIINTFregaddr =
6260 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
6261 break;
6262 case LPFC_SLI_INTF_IF_TYPE_2:
6263 phba->sli4_hba.u.if_type2.ERR1regaddr =
88a2cfbb
JS		 6264 phba->sli4_hba.conf_regs_memmap_p +
6265 LPFC_CTL_PORT_ER1_OFFSET;
2fcee4bf 6266 phba->sli4_hba.u.if_type2.ERR2regaddr =
88a2cfbb
JS		 6267 phba->sli4_hba.conf_regs_memmap_p +
6268 LPFC_CTL_PORT_ER2_OFFSET;
2fcee4bf 6269 phba->sli4_hba.u.if_type2.CTRLregaddr =
88a2cfbb
JS		 6270 phba->sli4_hba.conf_regs_memmap_p +
6271 LPFC_CTL_PORT_CTL_OFFSET;
2fcee4bf 6272 phba->sli4_hba.u.if_type2.STATUSregaddr =
88a2cfbb
JS		 6273 phba->sli4_hba.conf_regs_memmap_p +
6274 LPFC_CTL_PORT_STA_OFFSET;
2fcee4bf
JS		 6275 phba->sli4_hba.SLIINTFregaddr =
6276 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
6277 phba->sli4_hba.PSMPHRregaddr =
88a2cfbb
JS		 6278 phba->sli4_hba.conf_regs_memmap_p +
6279 LPFC_CTL_PORT_SEM_OFFSET;
2fcee4bf 6280 phba->sli4_hba.RQDBregaddr =
962bc51b
JS		 6281 phba->sli4_hba.conf_regs_memmap_p +
6282 LPFC_ULP0_RQ_DOORBELL;
2fcee4bf 6283 phba->sli4_hba.WQDBregaddr =
962bc51b
JS		 6284 phba->sli4_hba.conf_regs_memmap_p +
6285 LPFC_ULP0_WQ_DOORBELL;
2fcee4bf
JS		 6286 phba->sli4_hba.EQCQDBregaddr =
6287 phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL;
6288 phba->sli4_hba.MQDBregaddr =
6289 phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL;
6290 phba->sli4_hba.BMBXregaddr =
6291 phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX;
6292 break;
6293 case LPFC_SLI_INTF_IF_TYPE_1:
6294 default:
6295 dev_printk(KERN_ERR, &phba->pcidev->dev,
6296 "FATAL - unsupported SLI4 interface type - %d\n",
6297 if_type);
6298 break;
6299 }
da0436e9 6300}
3772a991 6301
da0436e9
JS		 6302/**
6303 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
6304 * @phba: pointer to lpfc hba data structure.
6305 *
6306 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
6307 * memory map.
6308 **/
6309static void
6310lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba)
6311{
2fcee4bf
JS		 6312 phba->sli4_hba.PSMPHRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
6313 LPFC_SLIPORT_IF0_SMPHR;
da0436e9 6314 phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6315 LPFC_HST_ISR0;
da0436e9 6316 phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6317 LPFC_HST_IMR0;
da0436e9 6318 phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6319 LPFC_HST_ISCR0;
3772a991
JS		 6320}
6321
6322/**
da0436e9 6323 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
3772a991 6324 * @phba: pointer to lpfc hba data structure.
da0436e9 6325 * @vf: virtual function number
3772a991 6326 *
da0436e9
JS		 6327 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
6328 * based on the given viftual function number, @vf.
6329 *
6330 * Return 0 if successful, otherwise -ENODEV.
3772a991 6331 **/
da0436e9
JS		 6332static int
6333lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf)
3772a991 6334{
da0436e9
JS		 6335 if (vf > LPFC_VIR_FUNC_MAX)
6336 return -ENODEV;
3772a991 6337
da0436e9 6338 phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
962bc51b
JS		 6339 vf * LPFC_VFR_PAGE_SIZE +
6340 LPFC_ULP0_RQ_DOORBELL);
da0436e9 6341 phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
962bc51b
JS		 6342 vf * LPFC_VFR_PAGE_SIZE +
6343 LPFC_ULP0_WQ_DOORBELL);
da0436e9
JS		 6344 phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6345 vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL);
6346 phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6347 vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL);
6348 phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6349 vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX);
6350 return 0;
3772a991
JS		 6351}
6352
6353/**
da0436e9 6354 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
3772a991
JS		 6355 * @phba: pointer to lpfc hba data structure.
6356 *
da0436e9
JS		 6357 * This routine is invoked to create the bootstrap mailbox
6358 * region consistent with the SLI-4 interface spec. This
6359 * routine allocates all memory necessary to communicate
6360 * mailbox commands to the port and sets up all alignment
6361 * needs. No locks are expected to be held when calling
6362 * this routine.
3772a991
JS		 6363 *
6364 * Return codes
af901ca1 6365 * 0 - successful
d439d286 6366 * -ENOMEM - could not allocated memory.
da0436e9 6367 **/
3772a991 6368static int
da0436e9 6369lpfc_create_bootstrap_mbox(struct lpfc_hba *phba)
3772a991 6370{
da0436e9
JS		 6371 uint32_t bmbx_size;
6372 struct lpfc_dmabuf *dmabuf;
6373 struct dma_address *dma_address;
6374 uint32_t pa_addr;
6375 uint64_t phys_addr;
6376
6377 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
6378 if (!dmabuf)
6379 return -ENOMEM;
3772a991 6380
da0436e9
JS		 6381 /*
6382 * The bootstrap mailbox region is comprised of 2 parts
6383 * plus an alignment restriction of 16 bytes.
6384 */
6385 bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1);
6386 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
6387 bmbx_size,
6388 &dmabuf->phys,
6389 GFP_KERNEL);
6390 if (!dmabuf->virt) {
6391 kfree(dmabuf);
6392 return -ENOMEM;
3772a991 6393 }
da0436e9 6394 memset(dmabuf->virt, 0, bmbx_size);
3772a991 6395
da0436e9
JS		 6396 /*
6397 * Initialize the bootstrap mailbox pointers now so that the register
6398 * operations are simple later. The mailbox dma address is required
6399 * to be 16-byte aligned. Also align the virtual memory as each
6400 * maibox is copied into the bmbx mailbox region before issuing the
6401 * command to the port.
6402 */
6403 phba->sli4_hba.bmbx.dmabuf = dmabuf;
6404 phba->sli4_hba.bmbx.bmbx_size = bmbx_size;
6405
6406 phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt,
6407 LPFC_ALIGN_16_BYTE);
6408 phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys,
6409 LPFC_ALIGN_16_BYTE);
6410
6411 /*
6412 * Set the high and low physical addresses now. The SLI4 alignment
6413 * requirement is 16 bytes and the mailbox is posted to the port
6414 * as two 30-bit addresses. The other data is a bit marking whether
6415 * the 30-bit address is the high or low address.
6416 * Upcast bmbx aphys to 64bits so shift instruction compiles
6417 * clean on 32 bit machines.
6418 */
6419 dma_address = &phba->sli4_hba.bmbx.dma_address;
6420 phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys;
6421 pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff);
6422 dma_address->addr_hi = (uint32_t) ((pa_addr << 2) |
6423 LPFC_BMBX_BIT1_ADDR_HI);
6424
6425 pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff);
6426 dma_address->addr_lo = (uint32_t) ((pa_addr << 2) |
6427 LPFC_BMBX_BIT1_ADDR_LO);
6428 return 0;
3772a991
JS		 6429}
6430
6431/**
da0436e9 6432 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
3772a991
JS		 6433 * @phba: pointer to lpfc hba data structure.
6434 *
da0436e9
JS		 6435 * This routine is invoked to teardown the bootstrap mailbox
6436 * region and release all host resources. This routine requires
6437 * the caller to ensure all mailbox commands recovered, no
6438 * additional mailbox comands are sent, and interrupts are disabled
6439 * before calling this routine.
6440 *
6441 **/
3772a991 6442static void
da0436e9 6443lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba)
3772a991 6444{
da0436e9
JS		 6445 dma_free_coherent(&phba->pcidev->dev,
6446 phba->sli4_hba.bmbx.bmbx_size,
6447 phba->sli4_hba.bmbx.dmabuf->virt,
6448 phba->sli4_hba.bmbx.dmabuf->phys);
6449
6450 kfree(phba->sli4_hba.bmbx.dmabuf);
6451 memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx));
3772a991
JS		 6452}
6453
6454/**
da0436e9 6455 * lpfc_sli4_read_config - Get the config parameters.
3772a991
JS		 6456 * @phba: pointer to lpfc hba data structure.
6457 *
da0436e9
JS		 6458 * This routine is invoked to read the configuration parameters from the HBA.
6459 * The configuration parameters are used to set the base and maximum values
6460 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
6461 * allocation for the port.
3772a991
JS		 6462 *
6463 * Return codes
af901ca1 6464 * 0 - successful
25985edc 6465 * -ENOMEM - No available memory
d439d286 6466 * -EIO - The mailbox failed to complete successfully.
3772a991 6467 **/
ff78d8f9 6468int
da0436e9 6469lpfc_sli4_read_config(struct lpfc_hba *phba)
3772a991 6470{
da0436e9
JS		 6471 LPFC_MBOXQ_t *pmb;
6472 struct lpfc_mbx_read_config *rd_config;
912e3acd
JS		 6473 union lpfc_sli4_cfg_shdr *shdr;
6474 uint32_t shdr_status, shdr_add_status;
6475 struct lpfc_mbx_get_func_cfg *get_func_cfg;
6476 struct lpfc_rsrc_desc_fcfcoe *desc;
8aa134a8 6477 char *pdesc_0;
912e3acd 6478 uint32_t desc_count;
8aa134a8 6479 int length, i, rc = 0, rc2;
3772a991 6480
da0436e9
JS		 6481 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
6482 if (!pmb) {
6483 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6484 "2011 Unable to allocate memory for issuing "
6485 "SLI_CONFIG_SPECIAL mailbox command\n");
6486 return -ENOMEM;
3772a991
JS		 6487 }
6488
da0436e9 6489 lpfc_read_config(phba, pmb);
3772a991 6490
da0436e9
JS		 6491 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
6492 if (rc != MBX_SUCCESS) {
6493 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6494 "2012 Mailbox failed , mbxCmd x%x "
6495 "READ_CONFIG, mbxStatus x%x\n",
6496 bf_get(lpfc_mqe_command, &pmb->u.mqe),
6497 bf_get(lpfc_mqe_status, &pmb->u.mqe));
6498 rc = -EIO;
6499 } else {
6500 rd_config = &pmb->u.mqe.un.rd_config;
ff78d8f9
JS		 6501 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) {
6502 phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL;
6503 phba->sli4_hba.lnk_info.lnk_tp =
6504 bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config);
6505 phba->sli4_hba.lnk_info.lnk_no =
6506 bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config);
6507 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6508 "3081 lnk_type:%d, lnk_numb:%d\n",
6509 phba->sli4_hba.lnk_info.lnk_tp,
6510 phba->sli4_hba.lnk_info.lnk_no);
6511 } else
6512 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
6513 "3082 Mailbox (x%x) returned ldv:x0\n",
6514 bf_get(lpfc_mqe_command, &pmb->u.mqe));
6d368e53
JS		 6515 phba->sli4_hba.extents_in_use =
6516 bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config);
da0436e9
JS		 6517 phba->sli4_hba.max_cfg_param.max_xri =
6518 bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
6519 phba->sli4_hba.max_cfg_param.xri_base =
6520 bf_get(lpfc_mbx_rd_conf_xri_base, rd_config);
6521 phba->sli4_hba.max_cfg_param.max_vpi =
6522 bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
6523 phba->sli4_hba.max_cfg_param.vpi_base =
6524 bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config);
6525 phba->sli4_hba.max_cfg_param.max_rpi =
6526 bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
6527 phba->sli4_hba.max_cfg_param.rpi_base =
6528 bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config);
6529 phba->sli4_hba.max_cfg_param.max_vfi =
6530 bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config);
6531 phba->sli4_hba.max_cfg_param.vfi_base =
6532 bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config);
6533 phba->sli4_hba.max_cfg_param.max_fcfi =
6534 bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config);
da0436e9
JS		 6535 phba->sli4_hba.max_cfg_param.max_eq =
6536 bf_get(lpfc_mbx_rd_conf_eq_count, rd_config);
6537 phba->sli4_hba.max_cfg_param.max_rq =
6538 bf_get(lpfc_mbx_rd_conf_rq_count, rd_config);
6539 phba->sli4_hba.max_cfg_param.max_wq =
6540 bf_get(lpfc_mbx_rd_conf_wq_count, rd_config);
6541 phba->sli4_hba.max_cfg_param.max_cq =
6542 bf_get(lpfc_mbx_rd_conf_cq_count, rd_config);
6543 phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config);
6544 phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base;
6545 phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base;
6546 phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base;
5ffc266e
JS		 6547 phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ?
6548 (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0;
da0436e9
JS		 6549 phba->max_vports = phba->max_vpi;
6550 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6d368e53
JS		 6551 "2003 cfg params Extents? %d "
6552 "XRI(B:%d M:%d), "
da0436e9
JS		 6553 "VPI(B:%d M:%d) "
6554 "VFI(B:%d M:%d) "
6555 "RPI(B:%d M:%d) "
6d368e53
JS		 6556 "FCFI(Count:%d)\n",
6557 phba->sli4_hba.extents_in_use,
da0436e9
JS		 6558 phba->sli4_hba.max_cfg_param.xri_base,
6559 phba->sli4_hba.max_cfg_param.max_xri,
6560 phba->sli4_hba.max_cfg_param.vpi_base,
6561 phba->sli4_hba.max_cfg_param.max_vpi,
6562 phba->sli4_hba.max_cfg_param.vfi_base,
6563 phba->sli4_hba.max_cfg_param.max_vfi,
6564 phba->sli4_hba.max_cfg_param.rpi_base,
6565 phba->sli4_hba.max_cfg_param.max_rpi,
da0436e9 6566 phba->sli4_hba.max_cfg_param.max_fcfi);
3772a991 6567 }
912e3acd
JS		 6568
6569 if (rc)
6570 goto read_cfg_out;
da0436e9
JS		 6571
6572 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
b92938b4
JS		 6573 if (phba->cfg_hba_queue_depth >
6574 (phba->sli4_hba.max_cfg_param.max_xri -
6575 lpfc_sli4_get_els_iocb_cnt(phba)))
da0436e9 6576 phba->cfg_hba_queue_depth =
b92938b4
JS		 6577 phba->sli4_hba.max_cfg_param.max_xri -
6578 lpfc_sli4_get_els_iocb_cnt(phba);
912e3acd
JS		 6579
6580 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
6581 LPFC_SLI_INTF_IF_TYPE_2)
6582 goto read_cfg_out;
6583
6584 /* get the pf# and vf# for SLI4 if_type 2 port */
6585 length = (sizeof(struct lpfc_mbx_get_func_cfg) -
6586 sizeof(struct lpfc_sli4_cfg_mhdr));
6587 lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON,
6588 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG,
6589 length, LPFC_SLI4_MBX_EMBED);
6590
8aa134a8 6591 rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
912e3acd
JS		 6592 shdr = (union lpfc_sli4_cfg_shdr *)
6593 &pmb->u.mqe.un.sli4_config.header.cfg_shdr;
6594 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
6595 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
8aa134a8 6596 if (rc2 || shdr_status || shdr_add_status) {
912e3acd
JS		 6597 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6598 "3026 Mailbox failed , mbxCmd x%x "
6599 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6600 bf_get(lpfc_mqe_command, &pmb->u.mqe),
6601 bf_get(lpfc_mqe_status, &pmb->u.mqe));
912e3acd
JS		 6602 goto read_cfg_out;
6603 }
6604
6605 /* search for fc_fcoe resrouce descriptor */
6606 get_func_cfg = &pmb->u.mqe.un.get_func_cfg;
6607 desc_count = get_func_cfg->func_cfg.rsrc_desc_count;
6608
8aa134a8
JS		 6609 pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0];
6610 desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0;
6611 length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc);
6612 if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD)
6613 length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH;
6614 else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH)
6615 goto read_cfg_out;
6616
912e3acd 6617 for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) {
8aa134a8 6618 desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i);
912e3acd 6619 if (LPFC_RSRC_DESC_TYPE_FCFCOE ==
8aa134a8 6620 bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) {
912e3acd
JS		 6621 phba->sli4_hba.iov.pf_number =
6622 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc);
6623 phba->sli4_hba.iov.vf_number =
6624 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc);
6625 break;
6626 }
6627 }
6628
6629 if (i < LPFC_RSRC_DESC_MAX_NUM)
6630 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6631 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6632 "vf_number:%d\n", phba->sli4_hba.iov.pf_number,
6633 phba->sli4_hba.iov.vf_number);
8aa134a8 6634 else
912e3acd
JS		 6635 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6636 "3028 GET_FUNCTION_CONFIG: failed to find "
6637 "Resrouce Descriptor:x%x\n",
6638 LPFC_RSRC_DESC_TYPE_FCFCOE);
912e3acd
JS		 6639
6640read_cfg_out:
6641 mempool_free(pmb, phba->mbox_mem_pool);
da0436e9 6642 return rc;
3772a991
JS		 6643}
6644
6645/**
2fcee4bf 6646 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
3772a991
JS		 6647 * @phba: pointer to lpfc hba data structure.
6648 *
2fcee4bf
JS		 6649 * This routine is invoked to setup the port-side endian order when
6650 * the port if_type is 0. This routine has no function for other
6651 * if_types.
da0436e9
JS		 6652 *
6653 * Return codes
af901ca1 6654 * 0 - successful
25985edc 6655 * -ENOMEM - No available memory
d439d286 6656 * -EIO - The mailbox failed to complete successfully.
3772a991 6657 **/
da0436e9
JS		 6658static int
6659lpfc_setup_endian_order(struct lpfc_hba *phba)
3772a991 6660{
da0436e9 6661 LPFC_MBOXQ_t *mboxq;
2fcee4bf 6662 uint32_t if_type, rc = 0;
da0436e9
JS		 6663 uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0,
6664 HOST_ENDIAN_HIGH_WORD1};
3772a991 6665
2fcee4bf
JS		 6666 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
6667 switch (if_type) {
6668 case LPFC_SLI_INTF_IF_TYPE_0:
6669 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
6670 GFP_KERNEL);
6671 if (!mboxq) {
6672 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6673 "0492 Unable to allocate memory for "
6674 "issuing SLI_CONFIG_SPECIAL mailbox "
6675 "command\n");
6676 return -ENOMEM;
6677 }
3772a991 6678
2fcee4bf
JS		 6679 /*
6680 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6681 * two words to contain special data values and no other data.
6682 */
6683 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
6684 memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data));
6685 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6686 if (rc != MBX_SUCCESS) {
6687 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6688 "0493 SLI_CONFIG_SPECIAL mailbox "
6689 "failed with status x%x\n",
6690 rc);
6691 rc = -EIO;
6692 }
6693 mempool_free(mboxq, phba->mbox_mem_pool);
6694 break;
6695 case LPFC_SLI_INTF_IF_TYPE_2:
6696 case LPFC_SLI_INTF_IF_TYPE_1:
6697 default:
6698 break;
da0436e9 6699 }
da0436e9 6700 return rc;
3772a991
JS		 6701}
6702
6703/**
5350d872 6704 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
3772a991
JS		 6705 * @phba: pointer to lpfc hba data structure.
6706 *
5350d872
JS		 6707 * This routine is invoked to check the user settable queue counts for EQs and
6708 * CQs. after this routine is called the counts will be set to valid values that
6709 * adhere to the constraints of the system's interrupt vectors and the port's
6710 * queue resources.
da0436e9
JS		 6711 *
6712 * Return codes
af901ca1 6713 * 0 - successful
25985edc 6714 * -ENOMEM - No available memory
3772a991 6715 **/
da0436e9 6716static int
5350d872 6717lpfc_sli4_queue_verify(struct lpfc_hba *phba)
3772a991 6718{
67d12733 6719 int cfg_fcp_io_channel;
90695ee0
JS		 6720 uint32_t cpu;
6721 uint32_t i = 0;
6722
3772a991 6723
da0436e9 6724 /*
67d12733 6725 * Sanity check for configured queue parameters against the run-time
da0436e9
JS		 6726 * device parameters
6727 */
3772a991 6728
67d12733
JS		 6729 /* Sanity check on HBA EQ parameters */
6730 cfg_fcp_io_channel = phba->cfg_fcp_io_channel;
6731
90695ee0
JS		 6732 /* It doesn't make sense to have more io channels then CPUs */
6733 for_each_online_cpu(cpu) {
6734 i++;
6735 }
6736 if (i < cfg_fcp_io_channel) {
82c3e9ba
JS		 6737 lpfc_printf_log(phba,
6738 KERN_ERR, LOG_INIT,
90695ee0
JS		 6739 "3188 Reducing IO channels to match number of "
6740 "CPUs: from %d to %d\n", cfg_fcp_io_channel, i);
6741 cfg_fcp_io_channel = i;
6742 }
6743
67d12733
JS		 6744 if (cfg_fcp_io_channel >
6745 phba->sli4_hba.max_cfg_param.max_eq) {
82c3e9ba
JS		 6746 if (phba->sli4_hba.max_cfg_param.max_eq <
6747 LPFC_FCP_IO_CHAN_MIN) {
da0436e9
JS		 6748 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6749 "2574 Not enough EQs (%d) from the "
6750 "pci function for supporting FCP "
6751 "EQs (%d)\n",
6752 phba->sli4_hba.max_cfg_param.max_eq,
67d12733 6753 phba->cfg_fcp_io_channel);
da0436e9
JS		 6754 goto out_error;
6755 }
82c3e9ba
JS		 6756 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6757 "2575 Reducing IO channels to match number of "
6758 "available EQs: from %d to %d\n",
6759 cfg_fcp_io_channel,
6760 phba->sli4_hba.max_cfg_param.max_eq);
6761 cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq;
da0436e9 6762 }
67d12733
JS		 6763
6764 /* Eventually cfg_fcp_eq_count / cfg_fcp_wq_count will be depricated */
6765
da0436e9 6766 /* The actual number of FCP event queues adopted */
67d12733
JS		 6767 phba->cfg_fcp_eq_count = cfg_fcp_io_channel;
6768 phba->cfg_fcp_wq_count = cfg_fcp_io_channel;
6769 phba->cfg_fcp_io_channel = cfg_fcp_io_channel;
3772a991 6770
da0436e9
JS		 6771 /* Get EQ depth from module parameter, fake the default for now */
6772 phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
6773 phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT;
3772a991 6774
5350d872
JS		 6775 /* Get CQ depth from module parameter, fake the default for now */
6776 phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
6777 phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;
6778
6779 return 0;
6780out_error:
6781 return -ENOMEM;
6782}
6783
6784/**
6785 * lpfc_sli4_queue_create - Create all the SLI4 queues
6786 * @phba: pointer to lpfc hba data structure.
6787 *
6788 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
6789 * operation. For each SLI4 queue type, the parameters such as queue entry
6790 * count (queue depth) shall be taken from the module parameter. For now,
6791 * we just use some constant number as place holder.
6792 *
6793 * Return codes
4907cb7b 6794 * 0 - successful
5350d872
JS		 6795 * -ENOMEM - No availble memory
6796 * -EIO - The mailbox failed to complete successfully.
6797 **/
6798int
6799lpfc_sli4_queue_create(struct lpfc_hba *phba)
6800{
6801 struct lpfc_queue *qdesc;
67d12733 6802 int idx;
5350d872
JS		 6803
6804 /*
67d12733 6805 * Create HBA Record arrays.
5350d872 6806 */
67d12733
JS		 6807 if (!phba->cfg_fcp_io_channel)
6808 return -ERANGE;
5350d872 6809
67d12733
JS		 6810 phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
6811 phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT;
6812 phba->sli4_hba.wq_esize = LPFC_WQE_SIZE;
6813 phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT;
6814 phba->sli4_hba.rq_esize = LPFC_RQE_SIZE;
6815 phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT;
6816
6817 phba->sli4_hba.hba_eq = kzalloc((sizeof(struct lpfc_queue *) *
6818 phba->cfg_fcp_io_channel), GFP_KERNEL);
6819 if (!phba->sli4_hba.hba_eq) {
6820 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6821 "2576 Failed allocate memory for "
6822 "fast-path EQ record array\n");
6823 goto out_error;
6824 }
6825
6826 phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) *
6827 phba->cfg_fcp_io_channel), GFP_KERNEL);
6828 if (!phba->sli4_hba.fcp_cq) {
da0436e9 6829 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
67d12733
JS		 6830 "2577 Failed allocate memory for fast-path "
6831 "CQ record array\n");
6832 goto out_error;
6833 }
6834
6835 phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) *
6836 phba->cfg_fcp_io_channel), GFP_KERNEL);
6837 if (!phba->sli4_hba.fcp_wq) {
6838 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6839 "2578 Failed allocate memory for fast-path "
6840 "WQ record array\n");
da0436e9
JS		 6841 goto out_error;
6842 }
da0436e9 6843
5350d872 6844 /*
67d12733
JS		 6845 * Since the first EQ can have multiple CQs associated with it,
6846 * this array is used to quickly see if we have a FCP fast-path
6847 * CQ match.
5350d872 6848 */
67d12733
JS		 6849 phba->sli4_hba.fcp_cq_map = kzalloc((sizeof(uint16_t) *
6850 phba->cfg_fcp_io_channel), GFP_KERNEL);
6851 if (!phba->sli4_hba.fcp_cq_map) {
6852 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6853 "2545 Failed allocate memory for fast-path "
6854 "CQ map\n");
6855 goto out_error;
da0436e9 6856 }
67d12733
JS		 6857
6858 /*
6859 * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies
6860 * how many EQs to create.
6861 */
6862 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
6863
6864 /* Create EQs */
da0436e9
JS		 6865 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
6866 phba->sli4_hba.eq_ecount);
6867 if (!qdesc) {
6868 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
67d12733
JS		 6869 "0497 Failed allocate EQ (%d)\n", idx);
6870 goto out_error;
da0436e9 6871 }
67d12733
JS		 6872 phba->sli4_hba.hba_eq[idx] = qdesc;
6873
6874 /* Create Fast Path FCP CQs */
6875 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
6876 phba->sli4_hba.cq_ecount);
6877 if (!qdesc) {
6878 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6879 "0499 Failed allocate fast-path FCP "
6880 "CQ (%d)\n", idx);
6881 goto out_error;
6882 }
6883 phba->sli4_hba.fcp_cq[idx] = qdesc;
6884
6885 /* Create Fast Path FCP WQs */
6886 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
6887 phba->sli4_hba.wq_ecount);
6888 if (!qdesc) {
6889 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6890 "0503 Failed allocate fast-path FCP "
6891 "WQ (%d)\n", idx);
6892 goto out_error;
6893 }
6894 phba->sli4_hba.fcp_wq[idx] = qdesc;
da0436e9
JS		 6895 }
6896
67d12733 6897
da0436e9 6898 /*
67d12733 6899 * Create Slow Path Completion Queues (CQs)
da0436e9
JS		 6900 */
6901
da0436e9
JS		 6902 /* Create slow-path Mailbox Command Complete Queue */
6903 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
6904 phba->sli4_hba.cq_ecount);
6905 if (!qdesc) {
6906 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6907 "0500 Failed allocate slow-path mailbox CQ\n");
67d12733 6908 goto out_error;
da0436e9
JS		 6909 }
6910 phba->sli4_hba.mbx_cq = qdesc;
6911
6912 /* Create slow-path ELS Complete Queue */
6913 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
6914 phba->sli4_hba.cq_ecount);
6915 if (!qdesc) {
6916 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6917 "0501 Failed allocate slow-path ELS CQ\n");
67d12733 6918 goto out_error;
da0436e9
JS		 6919 }
6920 phba->sli4_hba.els_cq = qdesc;
6921
da0436e9 6922
5350d872 6923 /*
67d12733 6924 * Create Slow Path Work Queues (WQs)
5350d872 6925 */
da0436e9
JS		 6926
6927 /* Create Mailbox Command Queue */
da0436e9
JS		 6928
6929 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize,
6930 phba->sli4_hba.mq_ecount);
6931 if (!qdesc) {
6932 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6933 "0505 Failed allocate slow-path MQ\n");
67d12733 6934 goto out_error;
da0436e9
JS		 6935 }
6936 phba->sli4_hba.mbx_wq = qdesc;
6937
6938 /*
67d12733 6939 * Create ELS Work Queues
da0436e9 6940 */
da0436e9
JS		 6941
6942 /* Create slow-path ELS Work Queue */
6943 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
6944 phba->sli4_hba.wq_ecount);
6945 if (!qdesc) {
6946 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6947 "0504 Failed allocate slow-path ELS WQ\n");
67d12733 6948 goto out_error;
da0436e9
JS		 6949 }
6950 phba->sli4_hba.els_wq = qdesc;
6951
da0436e9
JS		 6952 /*
6953 * Create Receive Queue (RQ)
6954 */
da0436e9
JS		 6955
6956 /* Create Receive Queue for header */
6957 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
6958 phba->sli4_hba.rq_ecount);
6959 if (!qdesc) {
6960 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6961 "0506 Failed allocate receive HRQ\n");
67d12733 6962 goto out_error;
da0436e9
JS		 6963 }
6964 phba->sli4_hba.hdr_rq = qdesc;
6965
6966 /* Create Receive Queue for data */
6967 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
6968 phba->sli4_hba.rq_ecount);
6969 if (!qdesc) {
6970 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6971 "0507 Failed allocate receive DRQ\n");
67d12733 6972 goto out_error;
da0436e9
JS		 6973 }
6974 phba->sli4_hba.dat_rq = qdesc;
6975
6976 return 0;
6977
da0436e9 6978out_error:
67d12733 6979 lpfc_sli4_queue_destroy(phba);
da0436e9
JS		 6980 return -ENOMEM;
6981}
6982
6983/**
6984 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
6985 * @phba: pointer to lpfc hba data structure.
6986 *
6987 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
6988 * operation.
6989 *
6990 * Return codes
af901ca1 6991 * 0 - successful
25985edc 6992 * -ENOMEM - No available memory
d439d286 6993 * -EIO - The mailbox failed to complete successfully.
da0436e9 6994 **/
5350d872 6995void
da0436e9
JS		 6996lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
6997{
67d12733
JS		 6998 int idx;
6999
7000 if (phba->sli4_hba.hba_eq != NULL) {
7001 /* Release HBA event queue */
7002 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7003 if (phba->sli4_hba.hba_eq[idx] != NULL) {
7004 lpfc_sli4_queue_free(
7005 phba->sli4_hba.hba_eq[idx]);
7006 phba->sli4_hba.hba_eq[idx] = NULL;
7007 }
7008 }
7009 kfree(phba->sli4_hba.hba_eq);
7010 phba->sli4_hba.hba_eq = NULL;
7011 }
7012
7013 if (phba->sli4_hba.fcp_cq != NULL) {
7014 /* Release FCP completion queue */
7015 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7016 if (phba->sli4_hba.fcp_cq[idx] != NULL) {
7017 lpfc_sli4_queue_free(
7018 phba->sli4_hba.fcp_cq[idx]);
7019 phba->sli4_hba.fcp_cq[idx] = NULL;
7020 }
7021 }
7022 kfree(phba->sli4_hba.fcp_cq);
7023 phba->sli4_hba.fcp_cq = NULL;
7024 }
7025
7026 if (phba->sli4_hba.fcp_wq != NULL) {
7027 /* Release FCP work queue */
7028 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7029 if (phba->sli4_hba.fcp_wq[idx] != NULL) {
7030 lpfc_sli4_queue_free(
7031 phba->sli4_hba.fcp_wq[idx]);
7032 phba->sli4_hba.fcp_wq[idx] = NULL;
7033 }
7034 }
7035 kfree(phba->sli4_hba.fcp_wq);
7036 phba->sli4_hba.fcp_wq = NULL;
7037 }
7038
962bc51b
JS		 7039 if (phba->pci_bar0_memmap_p) {
7040 iounmap(phba->pci_bar0_memmap_p);
7041 phba->pci_bar0_memmap_p = NULL;
7042 }
7043 if (phba->pci_bar2_memmap_p) {
7044 iounmap(phba->pci_bar2_memmap_p);
7045 phba->pci_bar2_memmap_p = NULL;
7046 }
7047 if (phba->pci_bar4_memmap_p) {
7048 iounmap(phba->pci_bar4_memmap_p);
7049 phba->pci_bar4_memmap_p = NULL;
7050 }
7051
67d12733
JS		 7052 /* Release FCP CQ mapping array */
7053 if (phba->sli4_hba.fcp_cq_map != NULL) {
7054 kfree(phba->sli4_hba.fcp_cq_map);
7055 phba->sli4_hba.fcp_cq_map = NULL;
7056 }
da0436e9
JS		 7057
7058 /* Release mailbox command work queue */
67d12733
JS		 7059 if (phba->sli4_hba.mbx_wq != NULL) {
7060 lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
7061 phba->sli4_hba.mbx_wq = NULL;
7062 }
da0436e9
JS		 7063
7064 /* Release ELS work queue */
67d12733
JS		 7065 if (phba->sli4_hba.els_wq != NULL) {
7066 lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
7067 phba->sli4_hba.els_wq = NULL;
7068 }
da0436e9
JS		 7069
7070 /* Release unsolicited receive queue */
67d12733
JS		 7071 if (phba->sli4_hba.hdr_rq != NULL) {
7072 lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
7073 phba->sli4_hba.hdr_rq = NULL;
7074 }
7075 if (phba->sli4_hba.dat_rq != NULL) {
7076 lpfc_sli4_queue_free(phba->sli4_hba.dat_rq);
7077 phba->sli4_hba.dat_rq = NULL;
7078 }
da0436e9 7079
da0436e9 7080 /* Release ELS complete queue */
67d12733
JS		 7081 if (phba->sli4_hba.els_cq != NULL) {
7082 lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
7083 phba->sli4_hba.els_cq = NULL;
7084 }
da0436e9
JS		 7085
7086 /* Release mailbox command complete queue */
67d12733
JS		 7087 if (phba->sli4_hba.mbx_cq != NULL) {
7088 lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
7089 phba->sli4_hba.mbx_cq = NULL;
7090 }
da0436e9
JS		 7091
7092 return;
7093}
7094
7095/**
7096 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
7097 * @phba: pointer to lpfc hba data structure.
7098 *
7099 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
7100 * operation.
7101 *
7102 * Return codes
af901ca1 7103 * 0 - successful
25985edc 7104 * -ENOMEM - No available memory
d439d286 7105 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7106 **/
7107int
7108lpfc_sli4_queue_setup(struct lpfc_hba *phba)
7109{
2a76a283
JS		 7110 struct lpfc_sli *psli = &phba->sli;
7111 struct lpfc_sli_ring *pring;
da0436e9
JS		 7112 int rc = -ENOMEM;
7113 int fcp_eqidx, fcp_cqidx, fcp_wqidx;
7114 int fcp_cq_index = 0;
962bc51b
JS		 7115 uint32_t shdr_status, shdr_add_status;
7116 union lpfc_sli4_cfg_shdr *shdr;
7117 LPFC_MBOXQ_t *mboxq;
7118 uint32_t length;
7119
7120 /* Check for dual-ULP support */
7121 mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
7122 if (!mboxq) {
7123 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7124 "3249 Unable to allocate memory for "
7125 "QUERY_FW_CFG mailbox command\n");
7126 return -ENOMEM;
7127 }
7128 length = (sizeof(struct lpfc_mbx_query_fw_config) -
7129 sizeof(struct lpfc_sli4_cfg_mhdr));
7130 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
7131 LPFC_MBOX_OPCODE_QUERY_FW_CFG,
7132 length, LPFC_SLI4_MBX_EMBED);
7133
7134 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
7135
7136 shdr = (union lpfc_sli4_cfg_shdr *)
7137 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
7138 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
7139 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
7140 if (shdr_status || shdr_add_status || rc) {
7141 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7142 "3250 QUERY_FW_CFG mailbox failed with status "
7143 "x%x add_status x%x, mbx status x%x\n",
7144 shdr_status, shdr_add_status, rc);
7145 if (rc != MBX_TIMEOUT)
7146 mempool_free(mboxq, phba->mbox_mem_pool);
7147 rc = -ENXIO;
7148 goto out_error;
7149 }
7150
7151 phba->sli4_hba.fw_func_mode =
7152 mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode;
7153 phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode;
7154 phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode;
7155 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7156 "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
7157 "ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode,
7158 phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode);
7159
7160 if (rc != MBX_TIMEOUT)
7161 mempool_free(mboxq, phba->mbox_mem_pool);
da0436e9
JS		 7162
7163 /*
67d12733 7164 * Set up HBA Event Queues (EQs)
da0436e9
JS		 7165 */
7166
67d12733
JS		 7167 /* Set up HBA event queue */
7168 if (phba->cfg_fcp_io_channel && !phba->sli4_hba.hba_eq) {
2e90f4b5
JS		 7169 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7170 "3147 Fast-path EQs not allocated\n");
1b51197d 7171 rc = -ENOMEM;
67d12733 7172 goto out_error;
2e90f4b5 7173 }
67d12733
JS		 7174 for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel; fcp_eqidx++) {
7175 if (!phba->sli4_hba.hba_eq[fcp_eqidx]) {
da0436e9
JS		 7176 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7177 "0522 Fast-path EQ (%d) not "
7178 "allocated\n", fcp_eqidx);
1b51197d 7179 rc = -ENOMEM;
67d12733 7180 goto out_destroy_hba_eq;
da0436e9 7181 }
67d12733 7182 rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[fcp_eqidx],
bf8dae83 7183 (phba->cfg_fcp_imax / phba->cfg_fcp_io_channel));
da0436e9
JS		 7184 if (rc) {
7185 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7186 "0523 Failed setup of fast-path EQ "
7187 "(%d), rc = 0x%x\n", fcp_eqidx, rc);
67d12733 7188 goto out_destroy_hba_eq;
da0436e9
JS		 7189 }
7190 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
67d12733 7191 "2584 HBA EQ setup: "
da0436e9 7192 "queue[%d]-id=%d\n", fcp_eqidx,
67d12733 7193 phba->sli4_hba.hba_eq[fcp_eqidx]->queue_id);
da0436e9
JS		 7194 }
7195
67d12733
JS		 7196 /* Set up fast-path FCP Response Complete Queue */
7197 if (!phba->sli4_hba.fcp_cq) {
7198 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7199 "3148 Fast-path FCP CQ array not "
7200 "allocated\n");
7201 rc = -ENOMEM;
7202 goto out_destroy_hba_eq;
7203 }
7204
7205 for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_io_channel; fcp_cqidx++) {
7206 if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) {
7207 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7208 "0526 Fast-path FCP CQ (%d) not "
7209 "allocated\n", fcp_cqidx);
7210 rc = -ENOMEM;
7211 goto out_destroy_fcp_cq;
7212 }
7213 rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx],
7214 phba->sli4_hba.hba_eq[fcp_cqidx], LPFC_WCQ, LPFC_FCP);
7215 if (rc) {
7216 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7217 "0527 Failed setup of fast-path FCP "
7218 "CQ (%d), rc = 0x%x\n", fcp_cqidx, rc);
7219 goto out_destroy_fcp_cq;
7220 }
7221
7222 /* Setup fcp_cq_map for fast lookup */
7223 phba->sli4_hba.fcp_cq_map[fcp_cqidx] =
7224 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id;
7225
7226 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7227 "2588 FCP CQ setup: cq[%d]-id=%d, "
7228 "parent seq[%d]-id=%d\n",
7229 fcp_cqidx,
7230 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id,
7231 fcp_cqidx,
7232 phba->sli4_hba.hba_eq[fcp_cqidx]->queue_id);
7233 }
7234
7235 /* Set up fast-path FCP Work Queue */
7236 if (!phba->sli4_hba.fcp_wq) {
7237 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7238 "3149 Fast-path FCP WQ array not "
7239 "allocated\n");
7240 rc = -ENOMEM;
7241 goto out_destroy_fcp_cq;
7242 }
7243
7244 for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++) {
7245 if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) {
7246 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7247 "0534 Fast-path FCP WQ (%d) not "
7248 "allocated\n", fcp_wqidx);
7249 rc = -ENOMEM;
7250 goto out_destroy_fcp_wq;
7251 }
7252 rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx],
7253 phba->sli4_hba.fcp_cq[fcp_wqidx],
7254 LPFC_FCP);
7255 if (rc) {
7256 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7257 "0535 Failed setup of fast-path FCP "
7258 "WQ (%d), rc = 0x%x\n", fcp_wqidx, rc);
7259 goto out_destroy_fcp_wq;
7260 }
7261
7262 /* Bind this WQ to the next FCP ring */
7263 pring = &psli->ring[MAX_SLI3_CONFIGURED_RINGS + fcp_wqidx];
7264 pring->sli.sli4.wqp = (void *)phba->sli4_hba.fcp_wq[fcp_wqidx];
7265 phba->sli4_hba.fcp_cq[fcp_wqidx]->pring = pring;
7266
7267 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7268 "2591 FCP WQ setup: wq[%d]-id=%d, "
7269 "parent cq[%d]-id=%d\n",
7270 fcp_wqidx,
7271 phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id,
7272 fcp_cq_index,
7273 phba->sli4_hba.fcp_cq[fcp_wqidx]->queue_id);
7274 }
da0436e9
JS		 7275 /*
7276 * Set up Complete Queues (CQs)
7277 */
7278
7279 /* Set up slow-path MBOX Complete Queue as the first CQ */
7280 if (!phba->sli4_hba.mbx_cq) {
7281 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7282 "0528 Mailbox CQ not allocated\n");
1b51197d 7283 rc = -ENOMEM;
67d12733 7284 goto out_destroy_fcp_wq;
da0436e9 7285 }
67d12733
JS		 7286 rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq,
7287 phba->sli4_hba.hba_eq[0], LPFC_MCQ, LPFC_MBOX);
da0436e9
JS		 7288 if (rc) {
7289 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7290 "0529 Failed setup of slow-path mailbox CQ: "
7291 "rc = 0x%x\n", rc);
67d12733 7292 goto out_destroy_fcp_wq;
da0436e9
JS		 7293 }
7294 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7295 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
7296 phba->sli4_hba.mbx_cq->queue_id,
67d12733 7297 phba->sli4_hba.hba_eq[0]->queue_id);
da0436e9
JS		 7298
7299 /* Set up slow-path ELS Complete Queue */
7300 if (!phba->sli4_hba.els_cq) {
7301 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7302 "0530 ELS CQ not allocated\n");
1b51197d 7303 rc = -ENOMEM;
da0436e9
JS		 7304 goto out_destroy_mbx_cq;
7305 }
67d12733
JS		 7306 rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq,
7307 phba->sli4_hba.hba_eq[0], LPFC_WCQ, LPFC_ELS);
da0436e9
JS		 7308 if (rc) {
7309 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7310 "0531 Failed setup of slow-path ELS CQ: "
7311 "rc = 0x%x\n", rc);
7312 goto out_destroy_mbx_cq;
7313 }
7314 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7315 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
7316 phba->sli4_hba.els_cq->queue_id,
67d12733 7317 phba->sli4_hba.hba_eq[0]->queue_id);
da0436e9
JS		 7318
7319 /*
7320 * Set up all the Work Queues (WQs)
7321 */
7322
7323 /* Set up Mailbox Command Queue */
7324 if (!phba->sli4_hba.mbx_wq) {
7325 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7326 "0538 Slow-path MQ not allocated\n");
1b51197d 7327 rc = -ENOMEM;
67d12733 7328 goto out_destroy_els_cq;
da0436e9
JS		 7329 }
7330 rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq,
7331 phba->sli4_hba.mbx_cq, LPFC_MBOX);
7332 if (rc) {
7333 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7334 "0539 Failed setup of slow-path MQ: "
7335 "rc = 0x%x\n", rc);
67d12733 7336 goto out_destroy_els_cq;
da0436e9
JS		 7337 }
7338 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7339 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
7340 phba->sli4_hba.mbx_wq->queue_id,
7341 phba->sli4_hba.mbx_cq->queue_id);
7342
7343 /* Set up slow-path ELS Work Queue */
7344 if (!phba->sli4_hba.els_wq) {
7345 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7346 "0536 Slow-path ELS WQ not allocated\n");
1b51197d 7347 rc = -ENOMEM;
da0436e9
JS		 7348 goto out_destroy_mbx_wq;
7349 }
7350 rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq,
7351 phba->sli4_hba.els_cq, LPFC_ELS);
7352 if (rc) {
7353 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7354 "0537 Failed setup of slow-path ELS WQ: "
7355 "rc = 0x%x\n", rc);
7356 goto out_destroy_mbx_wq;
7357 }
2a76a283
JS		 7358
7359 /* Bind this WQ to the ELS ring */
7360 pring = &psli->ring[LPFC_ELS_RING];
7361 pring->sli.sli4.wqp = (void *)phba->sli4_hba.els_wq;
7362 phba->sli4_hba.els_cq->pring = pring;
7363
da0436e9
JS		 7364 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7365 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
7366 phba->sli4_hba.els_wq->queue_id,
7367 phba->sli4_hba.els_cq->queue_id);
7368
da0436e9
JS		 7369 /*
7370 * Create Receive Queue (RQ)
7371 */
7372 if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) {
7373 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7374 "0540 Receive Queue not allocated\n");
1b51197d 7375 rc = -ENOMEM;
67d12733 7376 goto out_destroy_els_wq;
da0436e9 7377 }
73d91e50
JS		 7378
7379 lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ);
7380 lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ);
7381
da0436e9 7382 rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
4d9ab994 7383 phba->sli4_hba.els_cq, LPFC_USOL);
da0436e9
JS		 7384 if (rc) {
7385 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7386 "0541 Failed setup of Receive Queue: "
7387 "rc = 0x%x\n", rc);
7388 goto out_destroy_fcp_wq;
7389 }
73d91e50 7390
da0436e9
JS		 7391 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7392 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
7393 "parent cq-id=%d\n",
7394 phba->sli4_hba.hdr_rq->queue_id,
7395 phba->sli4_hba.dat_rq->queue_id,
4d9ab994 7396 phba->sli4_hba.els_cq->queue_id);
da0436e9
JS		 7397 return 0;
7398
2e90f4b5 7399out_destroy_els_wq:
da0436e9
JS		 7400 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
7401out_destroy_mbx_wq:
7402 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
2e90f4b5 7403out_destroy_els_cq:
da0436e9
JS		 7404 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
7405out_destroy_mbx_cq:
7406 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
67d12733
JS		 7407out_destroy_fcp_wq:
7408 for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--)
7409 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]);
7410out_destroy_fcp_cq:
7411 for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--)
7412 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]);
7413out_destroy_hba_eq:
da0436e9 7414 for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--)
67d12733 7415 lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_eqidx]);
da0436e9
JS		 7416out_error:
7417 return rc;
7418}
7419
7420/**
7421 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
7422 * @phba: pointer to lpfc hba data structure.
7423 *
7424 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
7425 * operation.
7426 *
7427 * Return codes
af901ca1 7428 * 0 - successful
25985edc 7429 * -ENOMEM - No available memory
d439d286 7430 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7431 **/
7432void
7433lpfc_sli4_queue_unset(struct lpfc_hba *phba)
7434{
7435 int fcp_qidx;
7436
7437 /* Unset mailbox command work queue */
7438 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
7439 /* Unset ELS work queue */
7440 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
7441 /* Unset unsolicited receive queue */
7442 lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
7443 /* Unset FCP work queue */
67d12733
JS		 7444 if (phba->sli4_hba.fcp_wq) {
7445 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
7446 fcp_qidx++)
7447 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]);
7448 }
da0436e9
JS		 7449 /* Unset mailbox command complete queue */
7450 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
7451 /* Unset ELS complete queue */
7452 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
da0436e9 7453 /* Unset FCP response complete queue */
2e90f4b5 7454 if (phba->sli4_hba.fcp_cq) {
67d12733
JS		 7455 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
7456 fcp_qidx++)
2e90f4b5 7457 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]);
2e90f4b5 7458 }
da0436e9 7459 /* Unset fast-path event queue */
67d12733
JS		 7460 if (phba->sli4_hba.hba_eq) {
7461 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
2e90f4b5 7462 fcp_qidx++)
67d12733 7463 lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_qidx]);
2e90f4b5 7464 }
da0436e9
JS		 7465}
7466
7467/**
7468 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
7469 * @phba: pointer to lpfc hba data structure.
7470 *
7471 * This routine is invoked to allocate and set up a pool of completion queue
7472 * events. The body of the completion queue event is a completion queue entry
7473 * CQE. For now, this pool is used for the interrupt service routine to queue
7474 * the following HBA completion queue events for the worker thread to process:
7475 * - Mailbox asynchronous events
7476 * - Receive queue completion unsolicited events
7477 * Later, this can be used for all the slow-path events.
7478 *
7479 * Return codes
af901ca1 7480 * 0 - successful
25985edc 7481 * -ENOMEM - No available memory
da0436e9
JS		 7482 **/
7483static int
7484lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba)
7485{
7486 struct lpfc_cq_event *cq_event;
7487 int i;
7488
7489 for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) {
7490 cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL);
7491 if (!cq_event)
7492 goto out_pool_create_fail;
7493 list_add_tail(&cq_event->list,
7494 &phba->sli4_hba.sp_cqe_event_pool);
7495 }
7496 return 0;
7497
7498out_pool_create_fail:
7499 lpfc_sli4_cq_event_pool_destroy(phba);
7500 return -ENOMEM;
7501}
7502
7503/**
7504 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
7505 * @phba: pointer to lpfc hba data structure.
7506 *
7507 * This routine is invoked to free the pool of completion queue events at
7508 * driver unload time. Note that, it is the responsibility of the driver
7509 * cleanup routine to free all the outstanding completion-queue events
7510 * allocated from this pool back into the pool before invoking this routine
7511 * to destroy the pool.
7512 **/
7513static void
7514lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba)
7515{
7516 struct lpfc_cq_event *cq_event, *next_cq_event;
7517
7518 list_for_each_entry_safe(cq_event, next_cq_event,
7519 &phba->sli4_hba.sp_cqe_event_pool, list) {
7520 list_del(&cq_event->list);
7521 kfree(cq_event);
7522 }
7523}
7524
7525/**
7526 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7527 * @phba: pointer to lpfc hba data structure.
7528 *
7529 * This routine is the lock free version of the API invoked to allocate a
7530 * completion-queue event from the free pool.
7531 *
7532 * Return: Pointer to the newly allocated completion-queue event if successful
7533 * NULL otherwise.
7534 **/
7535struct lpfc_cq_event *
7536__lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
7537{
7538 struct lpfc_cq_event *cq_event = NULL;
7539
7540 list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event,
7541 struct lpfc_cq_event, list);
7542 return cq_event;
7543}
7544
7545/**
7546 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7547 * @phba: pointer to lpfc hba data structure.
7548 *
7549 * This routine is the lock version of the API invoked to allocate a
7550 * completion-queue event from the free pool.
7551 *
7552 * Return: Pointer to the newly allocated completion-queue event if successful
7553 * NULL otherwise.
7554 **/
7555struct lpfc_cq_event *
7556lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
7557{
7558 struct lpfc_cq_event *cq_event;
7559 unsigned long iflags;
7560
7561 spin_lock_irqsave(&phba->hbalock, iflags);
7562 cq_event = __lpfc_sli4_cq_event_alloc(phba);
7563 spin_unlock_irqrestore(&phba->hbalock, iflags);
7564 return cq_event;
7565}
7566
7567/**
7568 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7569 * @phba: pointer to lpfc hba data structure.
7570 * @cq_event: pointer to the completion queue event to be freed.
7571 *
7572 * This routine is the lock free version of the API invoked to release a
7573 * completion-queue event back into the free pool.
7574 **/
7575void
7576__lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
7577 struct lpfc_cq_event *cq_event)
7578{
7579 list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool);
7580}
7581
7582/**
7583 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7584 * @phba: pointer to lpfc hba data structure.
7585 * @cq_event: pointer to the completion queue event to be freed.
7586 *
7587 * This routine is the lock version of the API invoked to release a
7588 * completion-queue event back into the free pool.
7589 **/
7590void
7591lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
7592 struct lpfc_cq_event *cq_event)
7593{
7594 unsigned long iflags;
7595 spin_lock_irqsave(&phba->hbalock, iflags);
7596 __lpfc_sli4_cq_event_release(phba, cq_event);
7597 spin_unlock_irqrestore(&phba->hbalock, iflags);
7598}
7599
7600/**
7601 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
7602 * @phba: pointer to lpfc hba data structure.
7603 *
7604 * This routine is to free all the pending completion-queue events to the
7605 * back into the free pool for device reset.
7606 **/
7607static void
7608lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba)
7609{
7610 LIST_HEAD(cqelist);
7611 struct lpfc_cq_event *cqe;
7612 unsigned long iflags;
7613
7614 /* Retrieve all the pending WCQEs from pending WCQE lists */
7615 spin_lock_irqsave(&phba->hbalock, iflags);
7616 /* Pending FCP XRI abort events */
7617 list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue,
7618 &cqelist);
7619 /* Pending ELS XRI abort events */
7620 list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue,
7621 &cqelist);
7622 /* Pending asynnc events */
7623 list_splice_init(&phba->sli4_hba.sp_asynce_work_queue,
7624 &cqelist);
7625 spin_unlock_irqrestore(&phba->hbalock, iflags);
7626
7627 while (!list_empty(&cqelist)) {
7628 list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list);
7629 lpfc_sli4_cq_event_release(phba, cqe);
7630 }
7631}
7632
7633/**
7634 * lpfc_pci_function_reset - Reset pci function.
7635 * @phba: pointer to lpfc hba data structure.
7636 *
7637 * This routine is invoked to request a PCI function reset. It will destroys
7638 * all resources assigned to the PCI function which originates this request.
7639 *
7640 * Return codes
af901ca1 7641 * 0 - successful
25985edc 7642 * -ENOMEM - No available memory
d439d286 7643 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7644 **/
7645int
7646lpfc_pci_function_reset(struct lpfc_hba *phba)
7647{
7648 LPFC_MBOXQ_t *mboxq;
2fcee4bf 7649 uint32_t rc = 0, if_type;
da0436e9 7650 uint32_t shdr_status, shdr_add_status;
2fcee4bf 7651 uint32_t rdy_chk, num_resets = 0, reset_again = 0;
da0436e9 7652 union lpfc_sli4_cfg_shdr *shdr;
2fcee4bf 7653 struct lpfc_register reg_data;
2b81f942 7654 uint16_t devid;
da0436e9 7655
2fcee4bf
JS		 7656 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
7657 switch (if_type) {
7658 case LPFC_SLI_INTF_IF_TYPE_0:
7659 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
7660 GFP_KERNEL);
7661 if (!mboxq) {
7662 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7663 "0494 Unable to allocate memory for "
7664 "issuing SLI_FUNCTION_RESET mailbox "
7665 "command\n");
7666 return -ENOMEM;
7667 }
da0436e9 7668
2fcee4bf
JS		 7669 /* Setup PCI function reset mailbox-ioctl command */
7670 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
7671 LPFC_MBOX_OPCODE_FUNCTION_RESET, 0,
7672 LPFC_SLI4_MBX_EMBED);
7673 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
7674 shdr = (union lpfc_sli4_cfg_shdr *)
7675 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
7676 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
7677 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
7678 &shdr->response);
7679 if (rc != MBX_TIMEOUT)
7680 mempool_free(mboxq, phba->mbox_mem_pool);
7681 if (shdr_status || shdr_add_status || rc) {
7682 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7683 "0495 SLI_FUNCTION_RESET mailbox "
7684 "failed with status x%x add_status x%x,"
7685 " mbx status x%x\n",
7686 shdr_status, shdr_add_status, rc);
7687 rc = -ENXIO;
7688 }
7689 break;
7690 case LPFC_SLI_INTF_IF_TYPE_2:
7691 for (num_resets = 0;
7692 num_resets < MAX_IF_TYPE_2_RESETS;
7693 num_resets++) {
7694 reg_data.word0 = 0;
7695 bf_set(lpfc_sliport_ctrl_end, &reg_data,
7696 LPFC_SLIPORT_LITTLE_ENDIAN);
7697 bf_set(lpfc_sliport_ctrl_ip, &reg_data,
7698 LPFC_SLIPORT_INIT_PORT);
7699 writel(reg_data.word0, phba->sli4_hba.u.if_type2.
7700 CTRLregaddr);
8fcb8acd 7701 /* flush */
2b81f942
JS		 7702 pci_read_config_word(phba->pcidev,
7703 PCI_DEVICE_ID, &devid);
2fcee4bf
JS		 7704 /*
7705 * Poll the Port Status Register and wait for RDY for
7706 * up to 10 seconds. If the port doesn't respond, treat
7707 * it as an error. If the port responds with RN, start
7708 * the loop again.
7709 */
7710 for (rdy_chk = 0; rdy_chk < 1000; rdy_chk++) {
73d91e50 7711 msleep(10);
9940b97b
JS		 7712 if (lpfc_readl(phba->sli4_hba.u.if_type2.
7713 STATUSregaddr, &reg_data.word0)) {
7714 rc = -ENODEV;
73d91e50 7715 goto out;
9940b97b 7716 }
6b5151fd 7717 if (bf_get(lpfc_sliport_status_rn, &reg_data))
2fcee4bf 7718 reset_again++;
6b5151fd 7719 if (bf_get(lpfc_sliport_status_rdy, &reg_data))
2fcee4bf 7720 break;
2fcee4bf
JS		 7721 }
7722
7723 /*
7724 * If the port responds to the init request with
7725 * reset needed, delay for a bit and restart the loop.
7726 */
6b5151fd 7727 if (reset_again && (rdy_chk < 1000)) {
2fcee4bf
JS		 7728 msleep(10);
7729 reset_again = 0;
7730 continue;
7731 }
7732
7733 /* Detect any port errors. */
2fcee4bf
JS		 7734 if ((bf_get(lpfc_sliport_status_err, &reg_data)) ||
7735 (rdy_chk >= 1000)) {
7736 phba->work_status[0] = readl(
7737 phba->sli4_hba.u.if_type2.ERR1regaddr);
7738 phba->work_status[1] = readl(
7739 phba->sli4_hba.u.if_type2.ERR2regaddr);
7740 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8fcb8acd 7741 "2890 Port error detected during port "
8a9d2e80
JS		 7742 "reset(%d): wait_tmo:%d ms, "
7743 "port status reg 0x%x, "
2fcee4bf 7744 "error 1=0x%x, error 2=0x%x\n",
8a9d2e80
JS		 7745 num_resets, rdy_chk*10,
7746 reg_data.word0,
2fcee4bf
JS		 7747 phba->work_status[0],
7748 phba->work_status[1]);
7749 rc = -ENODEV;
7750 }
7751
7752 /*
7753 * Terminate the outer loop provided the Port indicated
7754 * ready within 10 seconds.
7755 */
7756 if (rdy_chk < 1000)
7757 break;
7758 }
0558056c
JS		 7759 /* delay driver action following IF_TYPE_2 function reset */
7760 msleep(100);
2fcee4bf
JS		 7761 break;
7762 case LPFC_SLI_INTF_IF_TYPE_1:
7763 default:
7764 break;
da0436e9 7765 }
2fcee4bf 7766
73d91e50 7767out:
2fcee4bf
JS		 7768 /* Catch the not-ready port failure after a port reset. */
7769 if (num_resets >= MAX_IF_TYPE_2_RESETS)
7770 rc = -ENODEV;
7771
da0436e9
JS		 7772 return rc;
7773}
7774
da0436e9
JS		 7775/**
7776 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
7777 * @phba: pointer to lpfc hba data structure.
7778 *
7779 * This routine is invoked to set up the PCI device memory space for device
7780 * with SLI-4 interface spec.
7781 *
7782 * Return codes
af901ca1 7783 * 0 - successful
da0436e9
JS		 7784 * other values - error
7785 **/
7786static int
7787lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
7788{
7789 struct pci_dev *pdev;
7790 unsigned long bar0map_len, bar1map_len, bar2map_len;
7791 int error = -ENODEV;
2fcee4bf 7792 uint32_t if_type;
da0436e9
JS		 7793
7794 /* Obtain PCI device reference */
7795 if (!phba->pcidev)
7796 return error;
7797 else
7798 pdev = phba->pcidev;
7799
7800 /* Set the device DMA mask size */
8e68597d
MR		 7801 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
7802 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
7803 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
7804 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
da0436e9 7805 return error;
8e68597d
MR		 7806 }
7807 }
da0436e9 7808
2fcee4bf
JS		 7809 /*
7810 * The BARs and register set definitions and offset locations are
7811 * dependent on the if_type.
7812 */
7813 if (pci_read_config_dword(pdev, LPFC_SLI_INTF,
7814 &phba->sli4_hba.sli_intf.word0)) {
7815 return error;
7816 }
7817
7818 /* There is no SLI3 failback for SLI4 devices. */
7819 if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) !=
7820 LPFC_SLI_INTF_VALID) {
7821 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7822 "2894 SLI_INTF reg contents invalid "
7823 "sli_intf reg 0x%x\n",
7824 phba->sli4_hba.sli_intf.word0);
7825 return error;
7826 }
7827
7828 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
7829 /*
7830 * Get the bus address of SLI4 device Bar regions and the
7831 * number of bytes required by each mapping. The mapping of the
7832 * particular PCI BARs regions is dependent on the type of
7833 * SLI4 device.
da0436e9 7834 */
1dfb5a47
JS		 7835 if (pci_resource_start(pdev, 0)) {
7836 phba->pci_bar0_map = pci_resource_start(pdev, 0);
7837 bar0map_len = pci_resource_len(pdev, 0);
2fcee4bf
JS		 7838
7839 /*
7840 * Map SLI4 PCI Config Space Register base to a kernel virtual
7841 * addr
7842 */
7843 phba->sli4_hba.conf_regs_memmap_p =
7844 ioremap(phba->pci_bar0_map, bar0map_len);
7845 if (!phba->sli4_hba.conf_regs_memmap_p) {
7846 dev_printk(KERN_ERR, &pdev->dev,
7847 "ioremap failed for SLI4 PCI config "
7848 "registers.\n");
7849 goto out;
7850 }
7851 /* Set up BAR0 PCI config space register memory map */
7852 lpfc_sli4_bar0_register_memmap(phba, if_type);
1dfb5a47
JS		 7853 } else {
7854 phba->pci_bar0_map = pci_resource_start(pdev, 1);
7855 bar0map_len = pci_resource_len(pdev, 1);
2fcee4bf
JS		 7856 if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
7857 dev_printk(KERN_ERR, &pdev->dev,
7858 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
7859 goto out;
7860 }
7861 phba->sli4_hba.conf_regs_memmap_p =
da0436e9 7862 ioremap(phba->pci_bar0_map, bar0map_len);
2fcee4bf
JS		 7863 if (!phba->sli4_hba.conf_regs_memmap_p) {
7864 dev_printk(KERN_ERR, &pdev->dev,
7865 "ioremap failed for SLI4 PCI config "
7866 "registers.\n");
7867 goto out;
7868 }
7869 lpfc_sli4_bar0_register_memmap(phba, if_type);
da0436e9
JS		 7870 }
7871
c31098ce
JS		 7872 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
7873 (pci_resource_start(pdev, 2))) {
2fcee4bf
JS		 7874 /*
7875 * Map SLI4 if type 0 HBA Control Register base to a kernel
7876 * virtual address and setup the registers.
7877 */
7878 phba->pci_bar1_map = pci_resource_start(pdev, 2);
7879 bar1map_len = pci_resource_len(pdev, 2);
7880 phba->sli4_hba.ctrl_regs_memmap_p =
da0436e9 7881 ioremap(phba->pci_bar1_map, bar1map_len);
2fcee4bf
JS		 7882 if (!phba->sli4_hba.ctrl_regs_memmap_p) {
7883 dev_printk(KERN_ERR, &pdev->dev,
da0436e9 7884 "ioremap failed for SLI4 HBA control registers.\n");
2fcee4bf
JS		 7885 goto out_iounmap_conf;
7886 }
7887 lpfc_sli4_bar1_register_memmap(phba);
da0436e9
JS		 7888 }
7889
c31098ce
JS		 7890 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
7891 (pci_resource_start(pdev, 4))) {
2fcee4bf
JS		 7892 /*
7893 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
7894 * virtual address and setup the registers.
7895 */
7896 phba->pci_bar2_map = pci_resource_start(pdev, 4);
7897 bar2map_len = pci_resource_len(pdev, 4);
7898 phba->sli4_hba.drbl_regs_memmap_p =
da0436e9 7899 ioremap(phba->pci_bar2_map, bar2map_len);
2fcee4bf
JS		 7900 if (!phba->sli4_hba.drbl_regs_memmap_p) {
7901 dev_printk(KERN_ERR, &pdev->dev,
da0436e9 7902 "ioremap failed for SLI4 HBA doorbell registers.\n");
2fcee4bf
JS		 7903 goto out_iounmap_ctrl;
7904 }
7905 error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0);
7906 if (error)
7907 goto out_iounmap_all;
da0436e9
JS		 7908 }
7909
da0436e9
JS		 7910 return 0;
7911
7912out_iounmap_all:
7913 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
7914out_iounmap_ctrl:
7915 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
7916out_iounmap_conf:
7917 iounmap(phba->sli4_hba.conf_regs_memmap_p);
7918out:
7919 return error;
7920}
7921
7922/**
7923 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
7924 * @phba: pointer to lpfc hba data structure.
7925 *
7926 * This routine is invoked to unset the PCI device memory space for device
7927 * with SLI-4 interface spec.
7928 **/
7929static void
7930lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba)
7931{
2e90f4b5
JS		 7932 uint32_t if_type;
7933 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
da0436e9 7934
2e90f4b5
JS		 7935 switch (if_type) {
7936 case LPFC_SLI_INTF_IF_TYPE_0:
7937 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
7938 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
7939 iounmap(phba->sli4_hba.conf_regs_memmap_p);
7940 break;
7941 case LPFC_SLI_INTF_IF_TYPE_2:
7942 iounmap(phba->sli4_hba.conf_regs_memmap_p);
7943 break;
7944 case LPFC_SLI_INTF_IF_TYPE_1:
7945 default:
7946 dev_printk(KERN_ERR, &phba->pcidev->dev,
7947 "FATAL - unsupported SLI4 interface type - %d\n",
7948 if_type);
7949 break;
7950 }
da0436e9
JS		 7951}
7952
7953/**
7954 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
7955 * @phba: pointer to lpfc hba data structure.
7956 *
7957 * This routine is invoked to enable the MSI-X interrupt vectors to device
7958 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
7959 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
7960 * invoked, enables either all or nothing, depending on the current
7961 * availability of PCI vector resources. The device driver is responsible
7962 * for calling the individual request_irq() to register each MSI-X vector
7963 * with a interrupt handler, which is done in this function. Note that
7964 * later when device is unloading, the driver should always call free_irq()
7965 * on all MSI-X vectors it has done request_irq() on before calling
7966 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
7967 * will be left with MSI-X enabled and leaks its vectors.
7968 *
7969 * Return codes
af901ca1 7970 * 0 - successful
da0436e9
JS		 7971 * other values - error
7972 **/
7973static int
7974lpfc_sli_enable_msix(struct lpfc_hba *phba)
7975{
7976 int rc, i;
7977 LPFC_MBOXQ_t *pmb;
7978
7979 /* Set up MSI-X multi-message vectors */
7980 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
7981 phba->msix_entries[i].entry = i;
7982
7983 /* Configure MSI-X capability structure */
7984 rc = pci_enable_msix(phba->pcidev, phba->msix_entries,
7985 ARRAY_SIZE(phba->msix_entries));
7986 if (rc) {
7987 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7988 "0420 PCI enable MSI-X failed (%d)\n", rc);
7989 goto msi_fail_out;
7990 }
7991 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
7992 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7993 "0477 MSI-X entry[%d]: vector=x%x "
7994 "message=%d\n", i,
7995 phba->msix_entries[i].vector,
7996 phba->msix_entries[i].entry);
7997 /*
7998 * Assign MSI-X vectors to interrupt handlers
7999 */
8000
8001 /* vector-0 is associated to slow-path handler */
8002 rc = request_irq(phba->msix_entries[0].vector,
8003 &lpfc_sli_sp_intr_handler, IRQF_SHARED,
8004 LPFC_SP_DRIVER_HANDLER_NAME, phba);
8005 if (rc) {
8006 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8007 "0421 MSI-X slow-path request_irq failed "
8008 "(%d)\n", rc);
8009 goto msi_fail_out;
8010 }
8011
8012 /* vector-1 is associated to fast-path handler */
8013 rc = request_irq(phba->msix_entries[1].vector,
8014 &lpfc_sli_fp_intr_handler, IRQF_SHARED,
8015 LPFC_FP_DRIVER_HANDLER_NAME, phba);
8016
8017 if (rc) {
8018 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8019 "0429 MSI-X fast-path request_irq failed "
8020 "(%d)\n", rc);
8021 goto irq_fail_out;
8022 }
8023
8024 /*
8025 * Configure HBA MSI-X attention conditions to messages
8026 */
8027 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
8028
8029 if (!pmb) {
8030 rc = -ENOMEM;
8031 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8032 "0474 Unable to allocate memory for issuing "
8033 "MBOX_CONFIG_MSI command\n");
8034 goto mem_fail_out;
8035 }
8036 rc = lpfc_config_msi(phba, pmb);
8037 if (rc)
8038 goto mbx_fail_out;
8039 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
8040 if (rc != MBX_SUCCESS) {
8041 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
8042 "0351 Config MSI mailbox command failed, "
8043 "mbxCmd x%x, mbxStatus x%x\n",
8044 pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus);
8045 goto mbx_fail_out;
8046 }
8047
8048 /* Free memory allocated for mailbox command */
8049 mempool_free(pmb, phba->mbox_mem_pool);
8050 return rc;
8051
8052mbx_fail_out:
8053 /* Free memory allocated for mailbox command */
8054 mempool_free(pmb, phba->mbox_mem_pool);
8055
8056mem_fail_out:
8057 /* free the irq already requested */
8058 free_irq(phba->msix_entries[1].vector, phba);
8059
8060irq_fail_out:
8061 /* free the irq already requested */
8062 free_irq(phba->msix_entries[0].vector, phba);
8063
8064msi_fail_out:
8065 /* Unconfigure MSI-X capability structure */
8066 pci_disable_msix(phba->pcidev);
8067 return rc;
8068}
8069
8070/**
8071 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
8072 * @phba: pointer to lpfc hba data structure.
8073 *
8074 * This routine is invoked to release the MSI-X vectors and then disable the
8075 * MSI-X interrupt mode to device with SLI-3 interface spec.
8076 **/
8077static void
8078lpfc_sli_disable_msix(struct lpfc_hba *phba)
8079{
8080 int i;
8081
8082 /* Free up MSI-X multi-message vectors */
8083 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
8084 free_irq(phba->msix_entries[i].vector, phba);
8085 /* Disable MSI-X */
8086 pci_disable_msix(phba->pcidev);
8087
8088 return;
8089}
8090
8091/**
8092 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
8093 * @phba: pointer to lpfc hba data structure.
8094 *
8095 * This routine is invoked to enable the MSI interrupt mode to device with
8096 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
8097 * enable the MSI vector. The device driver is responsible for calling the
8098 * request_irq() to register MSI vector with a interrupt the handler, which
8099 * is done in this function.
8100 *
8101 * Return codes
af901ca1 8102 * 0 - successful
da0436e9
JS		 8103 * other values - error
8104 */
8105static int
8106lpfc_sli_enable_msi(struct lpfc_hba *phba)
8107{
8108 int rc;
8109
8110 rc = pci_enable_msi(phba->pcidev);
8111 if (!rc)
8112 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8113 "0462 PCI enable MSI mode success.\n");
8114 else {
8115 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8116 "0471 PCI enable MSI mode failed (%d)\n", rc);
8117 return rc;
8118 }
8119
8120 rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
8121 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8122 if (rc) {
8123 pci_disable_msi(phba->pcidev);
8124 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8125 "0478 MSI request_irq failed (%d)\n", rc);
8126 }
8127 return rc;
8128}
8129
8130/**
8131 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
8132 * @phba: pointer to lpfc hba data structure.
8133 *
8134 * This routine is invoked to disable the MSI interrupt mode to device with
8135 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
8136 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8137 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8138 * its vector.
8139 */
8140static void
8141lpfc_sli_disable_msi(struct lpfc_hba *phba)
8142{
8143 free_irq(phba->pcidev->irq, phba);
8144 pci_disable_msi(phba->pcidev);
8145 return;
8146}
8147
8148/**
8149 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
8150 * @phba: pointer to lpfc hba data structure.
8151 *
8152 * This routine is invoked to enable device interrupt and associate driver's
8153 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
8154 * spec. Depends on the interrupt mode configured to the driver, the driver
8155 * will try to fallback from the configured interrupt mode to an interrupt
8156 * mode which is supported by the platform, kernel, and device in the order
8157 * of:
8158 * MSI-X -> MSI -> IRQ.
8159 *
8160 * Return codes
af901ca1 8161 * 0 - successful
da0436e9
JS		 8162 * other values - error
8163 **/
8164static uint32_t
8165lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
8166{
8167 uint32_t intr_mode = LPFC_INTR_ERROR;
8168 int retval;
8169
8170 if (cfg_mode == 2) {
8171 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
8172 retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3);
8173 if (!retval) {
8174 /* Now, try to enable MSI-X interrupt mode */
8175 retval = lpfc_sli_enable_msix(phba);
8176 if (!retval) {
8177 /* Indicate initialization to MSI-X mode */
8178 phba->intr_type = MSIX;
8179 intr_mode = 2;
8180 }
8181 }
8182 }
8183
8184 /* Fallback to MSI if MSI-X initialization failed */
8185 if (cfg_mode >= 1 && phba->intr_type == NONE) {
8186 retval = lpfc_sli_enable_msi(phba);
8187 if (!retval) {
8188 /* Indicate initialization to MSI mode */
8189 phba->intr_type = MSI;
8190 intr_mode = 1;
8191 }
8192 }
8193
8194 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8195 if (phba->intr_type == NONE) {
8196 retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
8197 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8198 if (!retval) {
8199 /* Indicate initialization to INTx mode */
8200 phba->intr_type = INTx;
8201 intr_mode = 0;
8202 }
8203 }
8204 return intr_mode;
8205}
8206
8207/**
8208 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
8209 * @phba: pointer to lpfc hba data structure.
8210 *
8211 * This routine is invoked to disable device interrupt and disassociate the
8212 * driver's interrupt handler(s) from interrupt vector(s) to device with
8213 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
8214 * release the interrupt vector(s) for the message signaled interrupt.
8215 **/
8216static void
8217lpfc_sli_disable_intr(struct lpfc_hba *phba)
8218{
8219 /* Disable the currently initialized interrupt mode */
8220 if (phba->intr_type == MSIX)
8221 lpfc_sli_disable_msix(phba);
8222 else if (phba->intr_type == MSI)
8223 lpfc_sli_disable_msi(phba);
8224 else if (phba->intr_type == INTx)
8225 free_irq(phba->pcidev->irq, phba);
8226
8227 /* Reset interrupt management states */
8228 phba->intr_type = NONE;
8229 phba->sli.slistat.sli_intr = 0;
8230
8231 return;
8232}
8233
8234/**
8235 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
8236 * @phba: pointer to lpfc hba data structure.
8237 *
8238 * This routine is invoked to enable the MSI-X interrupt vectors to device
8239 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
8240 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
8241 * enables either all or nothing, depending on the current availability of
8242 * PCI vector resources. The device driver is responsible for calling the
8243 * individual request_irq() to register each MSI-X vector with a interrupt
8244 * handler, which is done in this function. Note that later when device is
8245 * unloading, the driver should always call free_irq() on all MSI-X vectors
8246 * it has done request_irq() on before calling pci_disable_msix(). Failure
8247 * to do so results in a BUG_ON() and a device will be left with MSI-X
8248 * enabled and leaks its vectors.
8249 *
8250 * Return codes
af901ca1 8251 * 0 - successful
da0436e9
JS		 8252 * other values - error
8253 **/
8254static int
8255lpfc_sli4_enable_msix(struct lpfc_hba *phba)
8256{
75baf696 8257 int vectors, rc, index;
da0436e9
JS		 8258
8259 /* Set up MSI-X multi-message vectors */
82c3e9ba 8260 for (index = 0; index < phba->cfg_fcp_io_channel; index++)
da0436e9
JS		 8261 phba->sli4_hba.msix_entries[index].entry = index;
8262
8263 /* Configure MSI-X capability structure */
82c3e9ba 8264 vectors = phba->cfg_fcp_io_channel;
75baf696 8265enable_msix_vectors:
da0436e9 8266 rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries,
75baf696
JS		 8267 vectors);
8268 if (rc > 1) {
8269 vectors = rc;
8270 goto enable_msix_vectors;
8271 } else if (rc) {
da0436e9
JS		 8272 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8273 "0484 PCI enable MSI-X failed (%d)\n", rc);
8274 goto msi_fail_out;
8275 }
75baf696 8276
da0436e9 8277 /* Log MSI-X vector assignment */
75baf696 8278 for (index = 0; index < vectors; index++)
da0436e9
JS		 8279 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8280 "0489 MSI-X entry[%d]: vector=x%x "
8281 "message=%d\n", index,
8282 phba->sli4_hba.msix_entries[index].vector,
8283 phba->sli4_hba.msix_entries[index].entry);
67d12733 8284
da0436e9
JS		 8285 /*
8286 * Assign MSI-X vectors to interrupt handlers
8287 */
67d12733 8288 for (index = 0; index < vectors; index++) {
4305f183
JS		 8289 memset(&phba->sli4_hba.handler_name[index], 0, 16);
8290 sprintf((char *)&phba->sli4_hba.handler_name[index],
8291 LPFC_DRIVER_HANDLER_NAME"%d", index);
da0436e9 8292
67d12733
JS		 8293 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8294 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
ba20c853 8295 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].fcp_eq_in_use, 1);
da0436e9 8296 rc = request_irq(phba->sli4_hba.msix_entries[index].vector,
67d12733 8297 &lpfc_sli4_hba_intr_handler, IRQF_SHARED,
4305f183 8298 (char *)&phba->sli4_hba.handler_name[index],
67d12733 8299 &phba->sli4_hba.fcp_eq_hdl[index]);
da0436e9
JS		 8300 if (rc) {
8301 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8302 "0486 MSI-X fast-path (%d) "
8303 "request_irq failed (%d)\n", index, rc);
8304 goto cfg_fail_out;
8305 }
8306 }
8307
82c3e9ba
JS		 8308 if (vectors != phba->cfg_fcp_io_channel) {
8309 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8310 "3238 Reducing IO channels to match number of "
8311 "MSI-X vectors, requested %d got %d\n",
8312 phba->cfg_fcp_io_channel, vectors);
8313 phba->cfg_fcp_io_channel = vectors;
8314 }
da0436e9
JS		 8315 return rc;
8316
8317cfg_fail_out:
8318 /* free the irq already requested */
67d12733
JS		 8319 for (--index; index >= 0; index--)
8320 free_irq(phba->sli4_hba.msix_entries[index].vector,
8321 &phba->sli4_hba.fcp_eq_hdl[index]);
da0436e9
JS		 8322
8323msi_fail_out:
8324 /* Unconfigure MSI-X capability structure */
8325 pci_disable_msix(phba->pcidev);
8326 return rc;
8327}
8328
8329/**
8330 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
8331 * @phba: pointer to lpfc hba data structure.
8332 *
8333 * This routine is invoked to release the MSI-X vectors and then disable the
8334 * MSI-X interrupt mode to device with SLI-4 interface spec.
8335 **/
8336static void
8337lpfc_sli4_disable_msix(struct lpfc_hba *phba)
8338{
8339 int index;
8340
8341 /* Free up MSI-X multi-message vectors */
82c3e9ba 8342 for (index = 0; index < phba->cfg_fcp_io_channel; index++)
da0436e9 8343 free_irq(phba->sli4_hba.msix_entries[index].vector,
67d12733 8344 &phba->sli4_hba.fcp_eq_hdl[index]);
75baf696 8345
da0436e9
JS		 8346 /* Disable MSI-X */
8347 pci_disable_msix(phba->pcidev);
8348
8349 return;
8350}
8351
8352/**
8353 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
8354 * @phba: pointer to lpfc hba data structure.
8355 *
8356 * This routine is invoked to enable the MSI interrupt mode to device with
8357 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
8358 * to enable the MSI vector. The device driver is responsible for calling
8359 * the request_irq() to register MSI vector with a interrupt the handler,
8360 * which is done in this function.
8361 *
8362 * Return codes
af901ca1 8363 * 0 - successful
da0436e9
JS		 8364 * other values - error
8365 **/
8366static int
8367lpfc_sli4_enable_msi(struct lpfc_hba *phba)
8368{
8369 int rc, index;
8370
8371 rc = pci_enable_msi(phba->pcidev);
8372 if (!rc)
8373 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8374 "0487 PCI enable MSI mode success.\n");
8375 else {
8376 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8377 "0488 PCI enable MSI mode failed (%d)\n", rc);
8378 return rc;
8379 }
8380
8381 rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
8382 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8383 if (rc) {
8384 pci_disable_msi(phba->pcidev);
8385 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8386 "0490 MSI request_irq failed (%d)\n", rc);
75baf696 8387 return rc;
da0436e9
JS		 8388 }
8389
67d12733 8390 for (index = 0; index < phba->cfg_fcp_io_channel; index++) {
da0436e9
JS		 8391 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8392 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
8393 }
8394
75baf696 8395 return 0;
da0436e9
JS		 8396}
8397
8398/**
8399 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
8400 * @phba: pointer to lpfc hba data structure.
8401 *
8402 * This routine is invoked to disable the MSI interrupt mode to device with
8403 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
8404 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8405 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8406 * its vector.
8407 **/
8408static void
8409lpfc_sli4_disable_msi(struct lpfc_hba *phba)
8410{
8411 free_irq(phba->pcidev->irq, phba);
8412 pci_disable_msi(phba->pcidev);
8413 return;
8414}
8415
8416/**
8417 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
8418 * @phba: pointer to lpfc hba data structure.
8419 *
8420 * This routine is invoked to enable device interrupt and associate driver's
8421 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
8422 * interface spec. Depends on the interrupt mode configured to the driver,
8423 * the driver will try to fallback from the configured interrupt mode to an
8424 * interrupt mode which is supported by the platform, kernel, and device in
8425 * the order of:
8426 * MSI-X -> MSI -> IRQ.
8427 *
8428 * Return codes
af901ca1 8429 * 0 - successful
da0436e9
JS		 8430 * other values - error
8431 **/
8432static uint32_t
8433lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
8434{
8435 uint32_t intr_mode = LPFC_INTR_ERROR;
8436 int retval, index;
8437
8438 if (cfg_mode == 2) {
8439 /* Preparation before conf_msi mbox cmd */
8440 retval = 0;
8441 if (!retval) {
8442 /* Now, try to enable MSI-X interrupt mode */
8443 retval = lpfc_sli4_enable_msix(phba);
8444 if (!retval) {
8445 /* Indicate initialization to MSI-X mode */
8446 phba->intr_type = MSIX;
8447 intr_mode = 2;
8448 }
8449 }
8450 }
8451
8452 /* Fallback to MSI if MSI-X initialization failed */
8453 if (cfg_mode >= 1 && phba->intr_type == NONE) {
8454 retval = lpfc_sli4_enable_msi(phba);
8455 if (!retval) {
8456 /* Indicate initialization to MSI mode */
8457 phba->intr_type = MSI;
8458 intr_mode = 1;
8459 }
8460 }
8461
8462 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8463 if (phba->intr_type == NONE) {
8464 retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
8465 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8466 if (!retval) {
8467 /* Indicate initialization to INTx mode */
8468 phba->intr_type = INTx;
8469 intr_mode = 0;
67d12733 8470 for (index = 0; index < phba->cfg_fcp_io_channel;
da0436e9
JS		 8471 index++) {
8472 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8473 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
ba20c853
JS		 8474 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].
8475 fcp_eq_in_use, 1);
da0436e9
JS		 8476 }
8477 }
8478 }
8479 return intr_mode;
8480}
8481
8482/**
8483 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
8484 * @phba: pointer to lpfc hba data structure.
8485 *
8486 * This routine is invoked to disable device interrupt and disassociate
8487 * the driver's interrupt handler(s) from interrupt vector(s) to device
8488 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
8489 * will release the interrupt vector(s) for the message signaled interrupt.
8490 **/
8491static void
8492lpfc_sli4_disable_intr(struct lpfc_hba *phba)
8493{
8494 /* Disable the currently initialized interrupt mode */
8495 if (phba->intr_type == MSIX)
8496 lpfc_sli4_disable_msix(phba);
8497 else if (phba->intr_type == MSI)
8498 lpfc_sli4_disable_msi(phba);
8499 else if (phba->intr_type == INTx)
8500 free_irq(phba->pcidev->irq, phba);
8501
8502 /* Reset interrupt management states */
8503 phba->intr_type = NONE;
8504 phba->sli.slistat.sli_intr = 0;
8505
8506 return;
8507}
8508
8509/**
8510 * lpfc_unset_hba - Unset SLI3 hba device initialization
8511 * @phba: pointer to lpfc hba data structure.
8512 *
8513 * This routine is invoked to unset the HBA device initialization steps to
8514 * a device with SLI-3 interface spec.
8515 **/
8516static void
8517lpfc_unset_hba(struct lpfc_hba *phba)
8518{
8519 struct lpfc_vport *vport = phba->pport;
8520 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
8521
8522 spin_lock_irq(shost->host_lock);
8523 vport->load_flag |= FC_UNLOADING;
8524 spin_unlock_irq(shost->host_lock);
8525
72859909
JS		 8526 kfree(phba->vpi_bmask);
8527 kfree(phba->vpi_ids);
8528
da0436e9
JS		 8529 lpfc_stop_hba_timers(phba);
8530
8531 phba->pport->work_port_events = 0;
8532
8533 lpfc_sli_hba_down(phba);
8534
8535 lpfc_sli_brdrestart(phba);
8536
8537 lpfc_sli_disable_intr(phba);
8538
8539 return;
8540}
8541
5af5eee7
JS		 8542/**
8543 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
8544 * @phba: Pointer to HBA context object.
8545 *
8546 * This function is called in the SLI4 code path to wait for completion
8547 * of device's XRIs exchange busy. It will check the XRI exchange busy
8548 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
8549 * that, it will check the XRI exchange busy on outstanding FCP and ELS
8550 * I/Os every 30 seconds, log error message, and wait forever. Only when
8551 * all XRI exchange busy complete, the driver unload shall proceed with
8552 * invoking the function reset ioctl mailbox command to the CNA and the
8553 * the rest of the driver unload resource release.
8554 **/
8555static void
8556lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba)
8557{
8558 int wait_time = 0;
8559 int fcp_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
8560 int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
8561
8562 while (!fcp_xri_cmpl || !els_xri_cmpl) {
8563 if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) {
8564 if (!fcp_xri_cmpl)
8565 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8566 "2877 FCP XRI exchange busy "
8567 "wait time: %d seconds.\n",
8568 wait_time/1000);
8569 if (!els_xri_cmpl)
8570 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8571 "2878 ELS XRI exchange busy "
8572 "wait time: %d seconds.\n",
8573 wait_time/1000);
8574 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2);
8575 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2;
8576 } else {
8577 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1);
8578 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1;
8579 }
8580 fcp_xri_cmpl =
8581 list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
8582 els_xri_cmpl =
8583 list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
8584 }
8585}
8586
da0436e9
JS		 8587/**
8588 * lpfc_sli4_hba_unset - Unset the fcoe hba
8589 * @phba: Pointer to HBA context object.
8590 *
8591 * This function is called in the SLI4 code path to reset the HBA's FCoE
8592 * function. The caller is not required to hold any lock. This routine
8593 * issues PCI function reset mailbox command to reset the FCoE function.
8594 * At the end of the function, it calls lpfc_hba_down_post function to
8595 * free any pending commands.
8596 **/
8597static void
8598lpfc_sli4_hba_unset(struct lpfc_hba *phba)
8599{
8600 int wait_cnt = 0;
8601 LPFC_MBOXQ_t *mboxq;
912e3acd 8602 struct pci_dev *pdev = phba->pcidev;
da0436e9
JS		 8603
8604 lpfc_stop_hba_timers(phba);
8605 phba->sli4_hba.intr_enable = 0;
8606
8607 /*
8608 * Gracefully wait out the potential current outstanding asynchronous
8609 * mailbox command.
8610 */
8611
8612 /* First, block any pending async mailbox command from posted */
8613 spin_lock_irq(&phba->hbalock);
8614 phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
8615 spin_unlock_irq(&phba->hbalock);
8616 /* Now, trying to wait it out if we can */
8617 while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
8618 msleep(10);
8619 if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT)
8620 break;
8621 }
8622 /* Forcefully release the outstanding mailbox command if timed out */
8623 if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
8624 spin_lock_irq(&phba->hbalock);
8625 mboxq = phba->sli.mbox_active;
8626 mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED;
8627 __lpfc_mbox_cmpl_put(phba, mboxq);
8628 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
8629 phba->sli.mbox_active = NULL;
8630 spin_unlock_irq(&phba->hbalock);
8631 }
8632
5af5eee7
JS		 8633 /* Abort all iocbs associated with the hba */
8634 lpfc_sli_hba_iocb_abort(phba);
8635
8636 /* Wait for completion of device XRI exchange busy */
8637 lpfc_sli4_xri_exchange_busy_wait(phba);
8638
da0436e9
JS		 8639 /* Disable PCI subsystem interrupt */
8640 lpfc_sli4_disable_intr(phba);
8641
912e3acd
JS		 8642 /* Disable SR-IOV if enabled */
8643 if (phba->cfg_sriov_nr_virtfn)
8644 pci_disable_sriov(pdev);
8645
da0436e9
JS		 8646 /* Stop kthread signal shall trigger work_done one more time */
8647 kthread_stop(phba->worker_thread);
8648
3677a3a7
JS		 8649 /* Reset SLI4 HBA FCoE function */
8650 lpfc_pci_function_reset(phba);
5350d872 8651 lpfc_sli4_queue_destroy(phba);
3677a3a7 8652
da0436e9
JS		 8653 /* Stop the SLI4 device port */
8654 phba->pport->work_port_events = 0;
8655}
8656
28baac74
JS		 8657 /**
8658 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
8659 * @phba: Pointer to HBA context object.
8660 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8661 *
8662 * This function is called in the SLI4 code path to read the port's
8663 * sli4 capabilities.
8664 *
8665 * This function may be be called from any context that can block-wait
8666 * for the completion. The expectation is that this routine is called
8667 * typically from probe_one or from the online routine.
8668 **/
8669int
8670lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
8671{
8672 int rc;
8673 struct lpfc_mqe *mqe;
8674 struct lpfc_pc_sli4_params *sli4_params;
8675 uint32_t mbox_tmo;
8676
8677 rc = 0;
8678 mqe = &mboxq->u.mqe;
8679
8680 /* Read the port's SLI4 Parameters port capabilities */
fedd3b7b 8681 lpfc_pc_sli4_params(mboxq);
28baac74
JS		 8682 if (!phba->sli4_hba.intr_enable)
8683 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
8684 else {
a183a15f 8685 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
28baac74
JS		 8686 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
8687 }
8688
8689 if (unlikely(rc))
8690 return 1;
8691
8692 sli4_params = &phba->sli4_hba.pc_sli4_params;
8693 sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params);
8694 sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params);
8695 sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params);
8696 sli4_params->featurelevel_1 = bf_get(featurelevel_1,
8697 &mqe->un.sli4_params);
8698 sli4_params->featurelevel_2 = bf_get(featurelevel_2,
8699 &mqe->un.sli4_params);
8700 sli4_params->proto_types = mqe->un.sli4_params.word3;
8701 sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len;
8702 sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params);
8703 sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params);
8704 sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params);
8705 sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params);
8706 sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params);
8707 sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params);
8708 sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params);
8709 sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params);
8710 sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params);
8711 sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params);
8712 sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params);
8713 sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params);
8714 sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params);
8715 sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params);
8716 sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params);
8717 sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params);
8718 sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params);
8719 sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params);
8720 sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params);
0558056c
JS		 8721
8722 /* Make sure that sge_supp_len can be handled by the driver */
8723 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
8724 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
8725
28baac74
JS		 8726 return rc;
8727}
8728
fedd3b7b
JS		 8729/**
8730 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
8731 * @phba: Pointer to HBA context object.
8732 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
8733 *
8734 * This function is called in the SLI4 code path to read the port's
8735 * sli4 capabilities.
8736 *
8737 * This function may be be called from any context that can block-wait
8738 * for the completion. The expectation is that this routine is called
8739 * typically from probe_one or from the online routine.
8740 **/
8741int
8742lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
8743{
8744 int rc;
8745 struct lpfc_mqe *mqe = &mboxq->u.mqe;
8746 struct lpfc_pc_sli4_params *sli4_params;
a183a15f 8747 uint32_t mbox_tmo;
fedd3b7b
JS		 8748 int length;
8749 struct lpfc_sli4_parameters *mbx_sli4_parameters;
8750
6d368e53
JS		 8751 /*
8752 * By default, the driver assumes the SLI4 port requires RPI
8753 * header postings. The SLI4_PARAM response will correct this
8754 * assumption.
8755 */
8756 phba->sli4_hba.rpi_hdrs_in_use = 1;
8757
fedd3b7b
JS		 8758 /* Read the port's SLI4 Config Parameters */
8759 length = (sizeof(struct lpfc_mbx_get_sli4_parameters) -
8760 sizeof(struct lpfc_sli4_cfg_mhdr));
8761 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
8762 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS,
8763 length, LPFC_SLI4_MBX_EMBED);
8764 if (!phba->sli4_hba.intr_enable)
8765 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
a183a15f
JS		 8766 else {
8767 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
8768 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
8769 }
fedd3b7b
JS		 8770 if (unlikely(rc))
8771 return rc;
8772 sli4_params = &phba->sli4_hba.pc_sli4_params;
8773 mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters;
8774 sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters);
8775 sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters);
8776 sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters);
8777 sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1,
8778 mbx_sli4_parameters);
8779 sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2,
8780 mbx_sli4_parameters);
8781 if (bf_get(cfg_phwq, mbx_sli4_parameters))
8782 phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED;
8783 else
8784 phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED;
8785 sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len;
8786 sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters);
8787 sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters);
8788 sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters);
8789 sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters);
8790 sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters);
8791 sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt,
8792 mbx_sli4_parameters);
8793 sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align,
8794 mbx_sli4_parameters);
6d368e53
JS		 8795 phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters);
8796 phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters);
0558056c
JS		 8797
8798 /* Make sure that sge_supp_len can be handled by the driver */
8799 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
8800 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
8801
fedd3b7b
JS		 8802 return 0;
8803}
8804
da0436e9
JS		 8805/**
8806 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
8807 * @pdev: pointer to PCI device
8808 * @pid: pointer to PCI device identifier
8809 *
8810 * This routine is to be called to attach a device with SLI-3 interface spec
8811 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8812 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
8813 * information of the device and driver to see if the driver state that it can
8814 * support this kind of device. If the match is successful, the driver core
8815 * invokes this routine. If this routine determines it can claim the HBA, it
8816 * does all the initialization that it needs to do to handle the HBA properly.
8817 *
8818 * Return code
8819 * 0 - driver can claim the device
8820 * negative value - driver can not claim the device
8821 **/
6f039790 8822static int
da0436e9
JS		 8823lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid)
8824{
8825 struct lpfc_hba *phba;
8826 struct lpfc_vport *vport = NULL;
6669f9bb 8827 struct Scsi_Host *shost = NULL;
da0436e9
JS		 8828 int error;
8829 uint32_t cfg_mode, intr_mode;
8830
8831 /* Allocate memory for HBA structure */
8832 phba = lpfc_hba_alloc(pdev);
8833 if (!phba)
8834 return -ENOMEM;
8835
8836 /* Perform generic PCI device enabling operation */
8837 error = lpfc_enable_pci_dev(phba);
079b5c91 8838 if (error)
da0436e9 8839 goto out_free_phba;
da0436e9
JS		 8840
8841 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
8842 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP);
8843 if (error)
8844 goto out_disable_pci_dev;
8845
8846 /* Set up SLI-3 specific device PCI memory space */
8847 error = lpfc_sli_pci_mem_setup(phba);
8848 if (error) {
8849 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8850 "1402 Failed to set up pci memory space.\n");
8851 goto out_disable_pci_dev;
8852 }
8853
8854 /* Set up phase-1 common device driver resources */
8855 error = lpfc_setup_driver_resource_phase1(phba);
8856 if (error) {
8857 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8858 "1403 Failed to set up driver resource.\n");
8859 goto out_unset_pci_mem_s3;
8860 }
8861
8862 /* Set up SLI-3 specific device driver resources */
8863 error = lpfc_sli_driver_resource_setup(phba);
8864 if (error) {
8865 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8866 "1404 Failed to set up driver resource.\n");
8867 goto out_unset_pci_mem_s3;
8868 }
8869
8870 /* Initialize and populate the iocb list per host */
8871 error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT);
8872 if (error) {
8873 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8874 "1405 Failed to initialize iocb list.\n");
8875 goto out_unset_driver_resource_s3;
8876 }
8877
8878 /* Set up common device driver resources */
8879 error = lpfc_setup_driver_resource_phase2(phba);
8880 if (error) {
8881 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8882 "1406 Failed to set up driver resource.\n");
8883 goto out_free_iocb_list;
8884 }
8885
079b5c91
JS		 8886 /* Get the default values for Model Name and Description */
8887 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
8888
da0436e9
JS		 8889 /* Create SCSI host to the physical port */
8890 error = lpfc_create_shost(phba);
8891 if (error) {
8892 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8893 "1407 Failed to create scsi host.\n");
8894 goto out_unset_driver_resource;
8895 }
8896
8897 /* Configure sysfs attributes */
8898 vport = phba->pport;
8899 error = lpfc_alloc_sysfs_attr(vport);
8900 if (error) {
8901 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8902 "1476 Failed to allocate sysfs attr\n");
8903 goto out_destroy_shost;
8904 }
8905
6669f9bb 8906 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
da0436e9
JS		 8907 /* Now, trying to enable interrupt and bring up the device */
8908 cfg_mode = phba->cfg_use_msi;
8909 while (true) {
8910 /* Put device to a known state before enabling interrupt */
8911 lpfc_stop_port(phba);
8912 /* Configure and enable interrupt */
8913 intr_mode = lpfc_sli_enable_intr(phba, cfg_mode);
8914 if (intr_mode == LPFC_INTR_ERROR) {
8915 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8916 "0431 Failed to enable interrupt.\n");
8917 error = -ENODEV;
8918 goto out_free_sysfs_attr;
8919 }
8920 /* SLI-3 HBA setup */
8921 if (lpfc_sli_hba_setup(phba)) {
8922 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8923 "1477 Failed to set up hba\n");
8924 error = -ENODEV;
8925 goto out_remove_device;
8926 }
8927
8928 /* Wait 50ms for the interrupts of previous mailbox commands */
8929 msleep(50);
8930 /* Check active interrupts on message signaled interrupts */
8931 if (intr_mode == 0 ||
8932 phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) {
8933 /* Log the current active interrupt mode */
8934 phba->intr_mode = intr_mode;
8935 lpfc_log_intr_mode(phba, intr_mode);
8936 break;
8937 } else {
8938 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8939 "0447 Configure interrupt mode (%d) "
8940 "failed active interrupt test.\n",
8941 intr_mode);
8942 /* Disable the current interrupt mode */
8943 lpfc_sli_disable_intr(phba);
8944 /* Try next level of interrupt mode */
8945 cfg_mode = --intr_mode;
8946 }
8947 }
8948
8949 /* Perform post initialization setup */
8950 lpfc_post_init_setup(phba);
8951
8952 /* Check if there are static vports to be created. */
8953 lpfc_create_static_vport(phba);
8954
8955 return 0;
8956
8957out_remove_device:
8958 lpfc_unset_hba(phba);
8959out_free_sysfs_attr:
8960 lpfc_free_sysfs_attr(vport);
8961out_destroy_shost:
8962 lpfc_destroy_shost(phba);
8963out_unset_driver_resource:
8964 lpfc_unset_driver_resource_phase2(phba);
8965out_free_iocb_list:
8966 lpfc_free_iocb_list(phba);
8967out_unset_driver_resource_s3:
8968 lpfc_sli_driver_resource_unset(phba);
8969out_unset_pci_mem_s3:
8970 lpfc_sli_pci_mem_unset(phba);
8971out_disable_pci_dev:
8972 lpfc_disable_pci_dev(phba);
6669f9bb
JS		 8973 if (shost)
8974 scsi_host_put(shost);
da0436e9
JS		 8975out_free_phba:
8976 lpfc_hba_free(phba);
8977 return error;
8978}
8979
8980/**
8981 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
8982 * @pdev: pointer to PCI device
8983 *
8984 * This routine is to be called to disattach a device with SLI-3 interface
8985 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
8986 * removed from PCI bus, it performs all the necessary cleanup for the HBA
8987 * device to be removed from the PCI subsystem properly.
8988 **/
6f039790 8989static void
da0436e9
JS		 8990lpfc_pci_remove_one_s3(struct pci_dev *pdev)
8991{
8992 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8993 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
8994 struct lpfc_vport **vports;
8995 struct lpfc_hba *phba = vport->phba;
8996 int i;
8997 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
8998
8999 spin_lock_irq(&phba->hbalock);
9000 vport->load_flag |= FC_UNLOADING;
9001 spin_unlock_irq(&phba->hbalock);
9002
9003 lpfc_free_sysfs_attr(vport);
9004
9005 /* Release all the vports against this physical port */
9006 vports = lpfc_create_vport_work_array(phba);
9007 if (vports != NULL)
587a37f6
JS		 9008 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
9009 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
9010 continue;
da0436e9 9011 fc_vport_terminate(vports[i]->fc_vport);
587a37f6 9012 }
da0436e9
JS		 9013 lpfc_destroy_vport_work_array(phba, vports);
9014
9015 /* Remove FC host and then SCSI host with the physical port */
9016 fc_remove_host(shost);
9017 scsi_remove_host(shost);
9018 lpfc_cleanup(vport);
9019
9020 /*
9021 * Bring down the SLI Layer. This step disable all interrupts,
9022 * clears the rings, discards all mailbox commands, and resets
9023 * the HBA.
9024 */
9025
48e34d0f 9026 /* HBA interrupt will be disabled after this call */
da0436e9
JS		 9027 lpfc_sli_hba_down(phba);
9028 /* Stop kthread signal shall trigger work_done one more time */
9029 kthread_stop(phba->worker_thread);
9030 /* Final cleanup of txcmplq and reset the HBA */
9031 lpfc_sli_brdrestart(phba);
9032
72859909
JS		 9033 kfree(phba->vpi_bmask);
9034 kfree(phba->vpi_ids);
9035
da0436e9
JS		 9036 lpfc_stop_hba_timers(phba);
9037 spin_lock_irq(&phba->hbalock);
9038 list_del_init(&vport->listentry);
9039 spin_unlock_irq(&phba->hbalock);
9040
9041 lpfc_debugfs_terminate(vport);
9042
912e3acd
JS		 9043 /* Disable SR-IOV if enabled */
9044 if (phba->cfg_sriov_nr_virtfn)
9045 pci_disable_sriov(pdev);
9046
da0436e9
JS		 9047 /* Disable interrupt */
9048 lpfc_sli_disable_intr(phba);
9049
9050 pci_set_drvdata(pdev, NULL);
9051 scsi_host_put(shost);
9052
9053 /*
9054 * Call scsi_free before mem_free since scsi bufs are released to their
9055 * corresponding pools here.
9056 */
9057 lpfc_scsi_free(phba);
9058 lpfc_mem_free_all(phba);
9059
9060 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
9061 phba->hbqslimp.virt, phba->hbqslimp.phys);
9062
9063 /* Free resources associated with SLI2 interface */
9064 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
9065 phba->slim2p.virt, phba->slim2p.phys);
9066
9067 /* unmap adapter SLIM and Control Registers */
9068 iounmap(phba->ctrl_regs_memmap_p);
9069 iounmap(phba->slim_memmap_p);
9070
9071 lpfc_hba_free(phba);
9072
9073 pci_release_selected_regions(pdev, bars);
9074 pci_disable_device(pdev);
9075}
9076
9077/**
9078 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
9079 * @pdev: pointer to PCI device
9080 * @msg: power management message
9081 *
9082 * This routine is to be called from the kernel's PCI subsystem to support
9083 * system Power Management (PM) to device with SLI-3 interface spec. When
9084 * PM invokes this method, it quiesces the device by stopping the driver's
9085 * worker thread for the device, turning off device's interrupt and DMA,
9086 * and bring the device offline. Note that as the driver implements the
9087 * minimum PM requirements to a power-aware driver's PM support for the
9088 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9089 * to the suspend() method call will be treated as SUSPEND and the driver will
9090 * fully reinitialize its device during resume() method call, the driver will
9091 * set device to PCI_D3hot state in PCI config space instead of setting it
9092 * according to the @msg provided by the PM.
9093 *
9094 * Return code
9095 * 0 - driver suspended the device
9096 * Error otherwise
9097 **/
9098static int
9099lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg)
9100{
9101 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9102 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9103
9104 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9105 "0473 PCI device Power Management suspend.\n");
9106
9107 /* Bring down the device */
618a5230 9108 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
da0436e9
JS		 9109 lpfc_offline(phba);
9110 kthread_stop(phba->worker_thread);
9111
9112 /* Disable interrupt from device */
9113 lpfc_sli_disable_intr(phba);
9114
9115 /* Save device state to PCI config space */
9116 pci_save_state(pdev);
9117 pci_set_power_state(pdev, PCI_D3hot);
9118
9119 return 0;
9120}
9121
9122/**
9123 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
9124 * @pdev: pointer to PCI device
9125 *
9126 * This routine is to be called from the kernel's PCI subsystem to support
9127 * system Power Management (PM) to device with SLI-3 interface spec. When PM
9128 * invokes this method, it restores the device's PCI config space state and
9129 * fully reinitializes the device and brings it online. Note that as the
9130 * driver implements the minimum PM requirements to a power-aware driver's
9131 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
9132 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
9133 * driver will fully reinitialize its device during resume() method call,
9134 * the device will be set to PCI_D0 directly in PCI config space before
9135 * restoring the state.
9136 *
9137 * Return code
9138 * 0 - driver suspended the device
9139 * Error otherwise
9140 **/
9141static int
9142lpfc_pci_resume_one_s3(struct pci_dev *pdev)
9143{
9144 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9145 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9146 uint32_t intr_mode;
9147 int error;
9148
9149 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9150 "0452 PCI device Power Management resume.\n");
9151
9152 /* Restore device state from PCI config space */
9153 pci_set_power_state(pdev, PCI_D0);
9154 pci_restore_state(pdev);
0d878419 9155
1dfb5a47
JS		 9156 /*
9157 * As the new kernel behavior of pci_restore_state() API call clears
9158 * device saved_state flag, need to save the restored state again.
9159 */
9160 pci_save_state(pdev);
9161
da0436e9
JS		 9162 if (pdev->is_busmaster)
9163 pci_set_master(pdev);
9164
9165 /* Startup the kernel thread for this host adapter. */
9166 phba->worker_thread = kthread_run(lpfc_do_work, phba,
9167 "lpfc_worker_%d", phba->brd_no);
9168 if (IS_ERR(phba->worker_thread)) {
9169 error = PTR_ERR(phba->worker_thread);
9170 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9171 "0434 PM resume failed to start worker "
9172 "thread: error=x%x.\n", error);
9173 return error;
9174 }
9175
9176 /* Configure and enable interrupt */
9177 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
9178 if (intr_mode == LPFC_INTR_ERROR) {
9179 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9180 "0430 PM resume Failed to enable interrupt\n");
9181 return -EIO;
9182 } else
9183 phba->intr_mode = intr_mode;
9184
9185 /* Restart HBA and bring it online */
9186 lpfc_sli_brdrestart(phba);
9187 lpfc_online(phba);
9188
9189 /* Log the current active interrupt mode */
9190 lpfc_log_intr_mode(phba, phba->intr_mode);
9191
9192 return 0;
9193}
9194
891478a2
JS		 9195/**
9196 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
9197 * @phba: pointer to lpfc hba data structure.
9198 *
9199 * This routine is called to prepare the SLI3 device for PCI slot recover. It
e2af0d2e 9200 * aborts all the outstanding SCSI I/Os to the pci device.
891478a2
JS		 9201 **/
9202static void
9203lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba)
9204{
e2af0d2e
JS		 9205 struct lpfc_sli *psli = &phba->sli;
9206 struct lpfc_sli_ring *pring;
9207
891478a2
JS		 9208 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9209 "2723 PCI channel I/O abort preparing for recovery\n");
e2af0d2e
JS		 9210
9211 /*
9212 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9213 * and let the SCSI mid-layer to retry them to recover.
9214 */
9215 pring = &psli->ring[psli->fcp_ring];
9216 lpfc_sli_abort_iocb_ring(phba, pring);
891478a2
JS		 9217}
9218
0d878419
JS		 9219/**
9220 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
9221 * @phba: pointer to lpfc hba data structure.
9222 *
9223 * This routine is called to prepare the SLI3 device for PCI slot reset. It
9224 * disables the device interrupt and pci device, and aborts the internal FCP
9225 * pending I/Os.
9226 **/
9227static void
9228lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba)
9229{
0d878419 9230 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
891478a2 9231 "2710 PCI channel disable preparing for reset\n");
e2af0d2e 9232
75baf696 9233 /* Block any management I/Os to the device */
618a5230 9234 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
75baf696 9235
e2af0d2e
JS		 9236 /* Block all SCSI devices' I/Os on the host */
9237 lpfc_scsi_dev_block(phba);
9238
9239 /* stop all timers */
9240 lpfc_stop_hba_timers(phba);
9241
0d878419
JS		 9242 /* Disable interrupt and pci device */
9243 lpfc_sli_disable_intr(phba);
9244 pci_disable_device(phba->pcidev);
75baf696 9245
e2af0d2e
JS		 9246 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9247 lpfc_sli_flush_fcp_rings(phba);
0d878419
JS		 9248}
9249
9250/**
9251 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
9252 * @phba: pointer to lpfc hba data structure.
9253 *
9254 * This routine is called to prepare the SLI3 device for PCI slot permanently
9255 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9256 * pending I/Os.
9257 **/
9258static void
75baf696 9259lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba)
0d878419
JS		 9260{
9261 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
891478a2 9262 "2711 PCI channel permanent disable for failure\n");
e2af0d2e
JS		 9263 /* Block all SCSI devices' I/Os on the host */
9264 lpfc_scsi_dev_block(phba);
9265
9266 /* stop all timers */
9267 lpfc_stop_hba_timers(phba);
9268
0d878419
JS		 9269 /* Clean up all driver's outstanding SCSI I/Os */
9270 lpfc_sli_flush_fcp_rings(phba);
9271}
9272
da0436e9
JS		 9273/**
9274 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
9275 * @pdev: pointer to PCI device.
9276 * @state: the current PCI connection state.
9277 *
9278 * This routine is called from the PCI subsystem for I/O error handling to
9279 * device with SLI-3 interface spec. This function is called by the PCI
9280 * subsystem after a PCI bus error affecting this device has been detected.
9281 * When this function is invoked, it will need to stop all the I/Os and
9282 * interrupt(s) to the device. Once that is done, it will return
9283 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
9284 * as desired.
9285 *
9286 * Return codes
0d878419 9287 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
da0436e9
JS		 9288 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9289 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9290 **/
9291static pci_ers_result_t
9292lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state)
9293{
9294 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9295 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
da0436e9 9296
0d878419
JS		 9297 switch (state) {
9298 case pci_channel_io_normal:
891478a2
JS		 9299 /* Non-fatal error, prepare for recovery */
9300 lpfc_sli_prep_dev_for_recover(phba);
0d878419
JS		 9301 return PCI_ERS_RESULT_CAN_RECOVER;
9302 case pci_channel_io_frozen:
9303 /* Fatal error, prepare for slot reset */
9304 lpfc_sli_prep_dev_for_reset(phba);
9305 return PCI_ERS_RESULT_NEED_RESET;
9306 case pci_channel_io_perm_failure:
9307 /* Permanent failure, prepare for device down */
75baf696 9308 lpfc_sli_prep_dev_for_perm_failure(phba);
da0436e9 9309 return PCI_ERS_RESULT_DISCONNECT;
0d878419
JS		 9310 default:
9311 /* Unknown state, prepare and request slot reset */
9312 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9313 "0472 Unknown PCI error state: x%x\n", state);
9314 lpfc_sli_prep_dev_for_reset(phba);
9315 return PCI_ERS_RESULT_NEED_RESET;
da0436e9 9316 }
da0436e9
JS		 9317}
9318
9319/**
9320 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
9321 * @pdev: pointer to PCI device.
9322 *
9323 * This routine is called from the PCI subsystem for error handling to
9324 * device with SLI-3 interface spec. This is called after PCI bus has been
9325 * reset to restart the PCI card from scratch, as if from a cold-boot.
9326 * During the PCI subsystem error recovery, after driver returns
9327 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9328 * recovery and then call this routine before calling the .resume method
9329 * to recover the device. This function will initialize the HBA device,
9330 * enable the interrupt, but it will just put the HBA to offline state
9331 * without passing any I/O traffic.
9332 *
9333 * Return codes
9334 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9335 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9336 */
9337static pci_ers_result_t
9338lpfc_io_slot_reset_s3(struct pci_dev *pdev)
9339{
9340 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9341 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9342 struct lpfc_sli *psli = &phba->sli;
9343 uint32_t intr_mode;
9344
9345 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
9346 if (pci_enable_device_mem(pdev)) {
9347 printk(KERN_ERR "lpfc: Cannot re-enable "
9348 "PCI device after reset.\n");
9349 return PCI_ERS_RESULT_DISCONNECT;
9350 }
9351
9352 pci_restore_state(pdev);
1dfb5a47
JS		 9353
9354 /*
9355 * As the new kernel behavior of pci_restore_state() API call clears
9356 * device saved_state flag, need to save the restored state again.
9357 */
9358 pci_save_state(pdev);
9359
da0436e9
JS		 9360 if (pdev->is_busmaster)
9361 pci_set_master(pdev);
9362
9363 spin_lock_irq(&phba->hbalock);
9364 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
9365 spin_unlock_irq(&phba->hbalock);
9366
9367 /* Configure and enable interrupt */
9368 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
9369 if (intr_mode == LPFC_INTR_ERROR) {
9370 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9371 "0427 Cannot re-enable interrupt after "
9372 "slot reset.\n");
9373 return PCI_ERS_RESULT_DISCONNECT;
9374 } else
9375 phba->intr_mode = intr_mode;
9376
75baf696 9377 /* Take device offline, it will perform cleanup */
618a5230 9378 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
da0436e9
JS		 9379 lpfc_offline(phba);
9380 lpfc_sli_brdrestart(phba);
9381
9382 /* Log the current active interrupt mode */
9383 lpfc_log_intr_mode(phba, phba->intr_mode);
9384
9385 return PCI_ERS_RESULT_RECOVERED;
9386}
9387
9388/**
9389 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
9390 * @pdev: pointer to PCI device
9391 *
9392 * This routine is called from the PCI subsystem for error handling to device
9393 * with SLI-3 interface spec. It is called when kernel error recovery tells
9394 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9395 * error recovery. After this call, traffic can start to flow from this device
9396 * again.
9397 */
9398static void
9399lpfc_io_resume_s3(struct pci_dev *pdev)
9400{
9401 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9402 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3772a991 9403
e2af0d2e 9404 /* Bring device online, it will be no-op for non-fatal error resume */
da0436e9 9405 lpfc_online(phba);
0d878419
JS		 9406
9407 /* Clean up Advanced Error Reporting (AER) if needed */
9408 if (phba->hba_flag & HBA_AER_ENABLED)
9409 pci_cleanup_aer_uncorrect_error_status(pdev);
da0436e9 9410}
3772a991 9411
da0436e9
JS		 9412/**
9413 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
9414 * @phba: pointer to lpfc hba data structure.
9415 *
9416 * returns the number of ELS/CT IOCBs to reserve
9417 **/
9418int
9419lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
9420{
9421 int max_xri = phba->sli4_hba.max_cfg_param.max_xri;
9422
f1126688
JS		 9423 if (phba->sli_rev == LPFC_SLI_REV4) {
9424 if (max_xri <= 100)
6a9c52cf 9425 return 10;
f1126688 9426 else if (max_xri <= 256)
6a9c52cf 9427 return 25;
f1126688 9428 else if (max_xri <= 512)
6a9c52cf 9429 return 50;
f1126688 9430 else if (max_xri <= 1024)
6a9c52cf 9431 return 100;
8a9d2e80 9432 else if (max_xri <= 1536)
6a9c52cf 9433 return 150;
8a9d2e80
JS		 9434 else if (max_xri <= 2048)
9435 return 200;
9436 else
9437 return 250;
f1126688
JS		 9438 } else
9439 return 0;
3772a991
JS		 9440}
9441
52d52440
JS		 9442/**
9443 * lpfc_write_firmware - attempt to write a firmware image to the port
52d52440 9444 * @fw: pointer to firmware image returned from request_firmware.
ce396282 9445 * @phba: pointer to lpfc hba data structure.
52d52440 9446 *
52d52440 9447 **/
ce396282
JS		 9448static void
9449lpfc_write_firmware(const struct firmware *fw, void *context)
52d52440 9450{
ce396282 9451 struct lpfc_hba *phba = (struct lpfc_hba *)context;
6b5151fd 9452 char fwrev[FW_REV_STR_SIZE];
ce396282 9453 struct lpfc_grp_hdr *image;
52d52440
JS		 9454 struct list_head dma_buffer_list;
9455 int i, rc = 0;
9456 struct lpfc_dmabuf *dmabuf, *next;
9457 uint32_t offset = 0, temp_offset = 0;
9458
c71ab861 9459 /* It can be null in no-wait mode, sanity check */
ce396282
JS		 9460 if (!fw) {
9461 rc = -ENXIO;
9462 goto out;
9463 }
9464 image = (struct lpfc_grp_hdr *)fw->data;
9465
52d52440 9466 INIT_LIST_HEAD(&dma_buffer_list);
079b5c91
JS		 9467 if ((be32_to_cpu(image->magic_number) != LPFC_GROUP_OJECT_MAGIC_NUM) ||
9468 (bf_get_be32(lpfc_grp_hdr_file_type, image) !=
9469 LPFC_FILE_TYPE_GROUP) ||
9470 (bf_get_be32(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) ||
9471 (be32_to_cpu(image->size) != fw->size)) {
52d52440
JS		 9472 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9473 "3022 Invalid FW image found. "
079b5c91
JS		 9474 "Magic:%x Type:%x ID:%x\n",
9475 be32_to_cpu(image->magic_number),
9476 bf_get_be32(lpfc_grp_hdr_file_type, image),
9477 bf_get_be32(lpfc_grp_hdr_id, image));
ce396282
JS		 9478 rc = -EINVAL;
9479 goto release_out;
52d52440
JS		 9480 }
9481 lpfc_decode_firmware_rev(phba, fwrev, 1);
88a2cfbb 9482 if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) {
52d52440 9483 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
ce396282 9484 "3023 Updating Firmware, Current Version:%s "
52d52440 9485 "New Version:%s\n",
88a2cfbb 9486 fwrev, image->revision);
52d52440
JS		 9487 for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) {
9488 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf),
9489 GFP_KERNEL);
9490 if (!dmabuf) {
9491 rc = -ENOMEM;
ce396282 9492 goto release_out;
52d52440
JS		 9493 }
9494 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
9495 SLI4_PAGE_SIZE,
9496 &dmabuf->phys,
9497 GFP_KERNEL);
9498 if (!dmabuf->virt) {
9499 kfree(dmabuf);
9500 rc = -ENOMEM;
ce396282 9501 goto release_out;
52d52440
JS		 9502 }
9503 list_add_tail(&dmabuf->list, &dma_buffer_list);
9504 }
9505 while (offset < fw->size) {
9506 temp_offset = offset;
9507 list_for_each_entry(dmabuf, &dma_buffer_list, list) {
079b5c91 9508 if (temp_offset + SLI4_PAGE_SIZE > fw->size) {
52d52440
JS		 9509 memcpy(dmabuf->virt,
9510 fw->data + temp_offset,
079b5c91
JS		 9511 fw->size - temp_offset);
9512 temp_offset = fw->size;
52d52440
JS		 9513 break;
9514 }
52d52440
JS		 9515 memcpy(dmabuf->virt, fw->data + temp_offset,
9516 SLI4_PAGE_SIZE);
88a2cfbb 9517 temp_offset += SLI4_PAGE_SIZE;
52d52440
JS		 9518 }
9519 rc = lpfc_wr_object(phba, &dma_buffer_list,
9520 (fw->size - offset), &offset);
ce396282
JS		 9521 if (rc)
9522 goto release_out;
52d52440
JS		 9523 }
9524 rc = offset;
9525 }
ce396282
JS		 9526
9527release_out:
52d52440
JS		 9528 list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) {
9529 list_del(&dmabuf->list);
9530 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
9531 dmabuf->virt, dmabuf->phys);
9532 kfree(dmabuf);
9533 }
ce396282
JS		 9534 release_firmware(fw);
9535out:
9536 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
c71ab861 9537 "3024 Firmware update done: %d.\n", rc);
ce396282 9538 return;
52d52440
JS		 9539}
9540
c71ab861
JS		 9541/**
9542 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
9543 * @phba: pointer to lpfc hba data structure.
9544 *
9545 * This routine is called to perform Linux generic firmware upgrade on device
9546 * that supports such feature.
9547 **/
9548int
9549lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade)
9550{
9551 uint8_t file_name[ELX_MODEL_NAME_SIZE];
9552 int ret;
9553 const struct firmware *fw;
9554
9555 /* Only supported on SLI4 interface type 2 for now */
9556 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
9557 LPFC_SLI_INTF_IF_TYPE_2)
9558 return -EPERM;
9559
9560 snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName);
9561
9562 if (fw_upgrade == INT_FW_UPGRADE) {
9563 ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
9564 file_name, &phba->pcidev->dev,
9565 GFP_KERNEL, (void *)phba,
9566 lpfc_write_firmware);
9567 } else if (fw_upgrade == RUN_FW_UPGRADE) {
9568 ret = request_firmware(&fw, file_name, &phba->pcidev->dev);
9569 if (!ret)
9570 lpfc_write_firmware(fw, (void *)phba);
9571 } else {
9572 ret = -EINVAL;
9573 }
9574
9575 return ret;
9576}
9577
3772a991 9578/**
da0436e9 9579 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
3772a991
JS		 9580 * @pdev: pointer to PCI device
9581 * @pid: pointer to PCI device identifier
9582 *
da0436e9
JS		 9583 * This routine is called from the kernel's PCI subsystem to device with
9584 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
3772a991 9585 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
da0436e9
JS		 9586 * information of the device and driver to see if the driver state that it
9587 * can support this kind of device. If the match is successful, the driver
9588 * core invokes this routine. If this routine determines it can claim the HBA,
9589 * it does all the initialization that it needs to do to handle the HBA
9590 * properly.
3772a991
JS		 9591 *
9592 * Return code
9593 * 0 - driver can claim the device
9594 * negative value - driver can not claim the device
9595 **/
6f039790 9596static int
da0436e9 9597lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
3772a991
JS		 9598{
9599 struct lpfc_hba *phba;
9600 struct lpfc_vport *vport = NULL;
6669f9bb 9601 struct Scsi_Host *shost = NULL;
ce396282 9602 int error, ret;
3772a991 9603 uint32_t cfg_mode, intr_mode;
67d12733 9604 int adjusted_fcp_io_channel;
3772a991
JS		 9605
9606 /* Allocate memory for HBA structure */
9607 phba = lpfc_hba_alloc(pdev);
9608 if (!phba)
9609 return -ENOMEM;
9610
9611 /* Perform generic PCI device enabling operation */
9612 error = lpfc_enable_pci_dev(phba);
079b5c91 9613 if (error)
3772a991 9614 goto out_free_phba;
3772a991 9615
da0436e9
JS		 9616 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
9617 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC);
3772a991
JS		 9618 if (error)
9619 goto out_disable_pci_dev;
9620
da0436e9
JS		 9621 /* Set up SLI-4 specific device PCI memory space */
9622 error = lpfc_sli4_pci_mem_setup(phba);
3772a991
JS		 9623 if (error) {
9624 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9625 "1410 Failed to set up pci memory space.\n");
3772a991
JS		 9626 goto out_disable_pci_dev;
9627 }
9628
9629 /* Set up phase-1 common device driver resources */
9630 error = lpfc_setup_driver_resource_phase1(phba);
9631 if (error) {
9632 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 9633 "1411 Failed to set up driver resource.\n");
9634 goto out_unset_pci_mem_s4;
3772a991
JS		 9635 }
9636
da0436e9
JS		 9637 /* Set up SLI-4 Specific device driver resources */
9638 error = lpfc_sli4_driver_resource_setup(phba);
3772a991
JS		 9639 if (error) {
9640 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 9641 "1412 Failed to set up driver resource.\n");
9642 goto out_unset_pci_mem_s4;
3772a991
JS		 9643 }
9644
9645 /* Initialize and populate the iocb list per host */
2a9bf3d0
JS		 9646
9647 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9648 "2821 initialize iocb list %d.\n",
9649 phba->cfg_iocb_cnt*1024);
9650 error = lpfc_init_iocb_list(phba, phba->cfg_iocb_cnt*1024);
9651
3772a991
JS		 9652 if (error) {
9653 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 9654 "1413 Failed to initialize iocb list.\n");
9655 goto out_unset_driver_resource_s4;
3772a991
JS		 9656 }
9657
19ca7609 9658 INIT_LIST_HEAD(&phba->active_rrq_list);
7d791df7 9659 INIT_LIST_HEAD(&phba->fcf.fcf_pri_list);
19ca7609 9660
3772a991
JS		 9661 /* Set up common device driver resources */
9662 error = lpfc_setup_driver_resource_phase2(phba);
9663 if (error) {
9664 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9665 "1414 Failed to set up driver resource.\n");
3772a991
JS		 9666 goto out_free_iocb_list;
9667 }
9668
079b5c91
JS		 9669 /* Get the default values for Model Name and Description */
9670 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
9671
3772a991
JS		 9672 /* Create SCSI host to the physical port */
9673 error = lpfc_create_shost(phba);
9674 if (error) {
9675 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9676 "1415 Failed to create scsi host.\n");
3772a991
JS		 9677 goto out_unset_driver_resource;
9678 }
9399627f 9679
5b75da2f 9680 /* Configure sysfs attributes */
3772a991
JS		 9681 vport = phba->pport;
9682 error = lpfc_alloc_sysfs_attr(vport);
9683 if (error) {
9399627f 9684 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9685 "1416 Failed to allocate sysfs attr\n");
3772a991 9686 goto out_destroy_shost;
98c9ea5c 9687 }
875fbdfe 9688
6669f9bb 9689 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
3772a991 9690 /* Now, trying to enable interrupt and bring up the device */
5b75da2f 9691 cfg_mode = phba->cfg_use_msi;
5b75da2f 9692
7b15db32
JS		 9693 /* Put device to a known state before enabling interrupt */
9694 lpfc_stop_port(phba);
9695 /* Configure and enable interrupt */
9696 intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode);
9697 if (intr_mode == LPFC_INTR_ERROR) {
9698 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9699 "0426 Failed to enable interrupt.\n");
9700 error = -ENODEV;
9701 goto out_free_sysfs_attr;
9702 }
9703 /* Default to single EQ for non-MSI-X */
9704 if (phba->intr_type != MSIX)
9705 adjusted_fcp_io_channel = 1;
9706 else
9707 adjusted_fcp_io_channel = phba->cfg_fcp_io_channel;
9708 phba->cfg_fcp_io_channel = adjusted_fcp_io_channel;
9709 /* Set up SLI-4 HBA */
9710 if (lpfc_sli4_hba_setup(phba)) {
9711 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9712 "1421 Failed to set up hba\n");
9713 error = -ENODEV;
9714 goto out_disable_intr;
98c9ea5c 9715 }
858c9f6c 9716
7b15db32
JS		 9717 /* Log the current active interrupt mode */
9718 phba->intr_mode = intr_mode;
9719 lpfc_log_intr_mode(phba, intr_mode);
9720
3772a991
JS		 9721 /* Perform post initialization setup */
9722 lpfc_post_init_setup(phba);
dea3101e 9723
c71ab861
JS		 9724 /* check for firmware upgrade or downgrade */
9725 if (phba->cfg_request_firmware_upgrade)
9726 ret = lpfc_sli4_request_firmware_update(phba, INT_FW_UPGRADE);
52d52440 9727
1c6834a7
JS		 9728 /* Check if there are static vports to be created. */
9729 lpfc_create_static_vport(phba);
dea3101e 9730 return 0;
9731
da0436e9
JS		 9732out_disable_intr:
9733 lpfc_sli4_disable_intr(phba);
5b75da2f
JS		 9734out_free_sysfs_attr:
9735 lpfc_free_sysfs_attr(vport);
3772a991
JS		 9736out_destroy_shost:
9737 lpfc_destroy_shost(phba);
9738out_unset_driver_resource:
9739 lpfc_unset_driver_resource_phase2(phba);
9740out_free_iocb_list:
9741 lpfc_free_iocb_list(phba);
da0436e9
JS		 9742out_unset_driver_resource_s4:
9743 lpfc_sli4_driver_resource_unset(phba);
9744out_unset_pci_mem_s4:
9745 lpfc_sli4_pci_mem_unset(phba);
3772a991
JS		 9746out_disable_pci_dev:
9747 lpfc_disable_pci_dev(phba);
6669f9bb
JS		 9748 if (shost)
9749 scsi_host_put(shost);
2e0fef85 9750out_free_phba:
3772a991 9751 lpfc_hba_free(phba);
dea3101e 9752 return error;
9753}
9754
e59058c4 9755/**
da0436e9 9756 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
e59058c4
JS		 9757 * @pdev: pointer to PCI device
9758 *
da0436e9
JS		 9759 * This routine is called from the kernel's PCI subsystem to device with
9760 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
3772a991
JS		 9761 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9762 * device to be removed from the PCI subsystem properly.
e59058c4 9763 **/
6f039790 9764static void
da0436e9 9765lpfc_pci_remove_one_s4(struct pci_dev *pdev)
dea3101e 9766{
da0436e9 9767 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2e0fef85 9768 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
eada272d 9769 struct lpfc_vport **vports;
da0436e9 9770 struct lpfc_hba *phba = vport->phba;
eada272d 9771 int i;
8a4df120 9772
da0436e9 9773 /* Mark the device unloading flag */
549e55cd 9774 spin_lock_irq(&phba->hbalock);
51ef4c26 9775 vport->load_flag |= FC_UNLOADING;
549e55cd 9776 spin_unlock_irq(&phba->hbalock);
2e0fef85 9777
da0436e9 9778 /* Free the HBA sysfs attributes */
858c9f6c
JS		 9779 lpfc_free_sysfs_attr(vport);
9780
eada272d
JS		 9781 /* Release all the vports against this physical port */
9782 vports = lpfc_create_vport_work_array(phba);
9783 if (vports != NULL)
587a37f6
JS		 9784 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
9785 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
9786 continue;
eada272d 9787 fc_vport_terminate(vports[i]->fc_vport);
587a37f6 9788 }
eada272d
JS		 9789 lpfc_destroy_vport_work_array(phba, vports);
9790
9791 /* Remove FC host and then SCSI host with the physical port */
858c9f6c
JS		 9792 fc_remove_host(shost);
9793 scsi_remove_host(shost);
da0436e9
JS		 9794
9795 /* Perform cleanup on the physical port */
87af33fe
JS		 9796 lpfc_cleanup(vport);
9797
2e0fef85 9798 /*
da0436e9 9799 * Bring down the SLI Layer. This step disables all interrupts,
2e0fef85 9800 * clears the rings, discards all mailbox commands, and resets
da0436e9 9801 * the HBA FCoE function.
2e0fef85 9802 */
da0436e9
JS		 9803 lpfc_debugfs_terminate(vport);
9804 lpfc_sli4_hba_unset(phba);
a257bf90 9805
858c9f6c
JS		 9806 spin_lock_irq(&phba->hbalock);
9807 list_del_init(&vport->listentry);
9808 spin_unlock_irq(&phba->hbalock);
9809
3677a3a7 9810 /* Perform scsi free before driver resource_unset since scsi
da0436e9 9811 * buffers are released to their corresponding pools here.
2e0fef85
JS		 9812 */
9813 lpfc_scsi_free(phba);
67d12733 9814
da0436e9 9815 lpfc_sli4_driver_resource_unset(phba);
ed957684 9816
da0436e9
JS		 9817 /* Unmap adapter Control and Doorbell registers */
9818 lpfc_sli4_pci_mem_unset(phba);
2e0fef85 9819
da0436e9
JS		 9820 /* Release PCI resources and disable device's PCI function */
9821 scsi_host_put(shost);
9822 lpfc_disable_pci_dev(phba);
2e0fef85 9823
da0436e9 9824 /* Finally, free the driver's device data structure */
3772a991 9825 lpfc_hba_free(phba);
2e0fef85 9826
da0436e9 9827 return;
dea3101e 9828}
9829
3a55b532 9830/**
da0436e9 9831 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
3a55b532
JS		 9832 * @pdev: pointer to PCI device
9833 * @msg: power management message
9834 *
da0436e9
JS		 9835 * This routine is called from the kernel's PCI subsystem to support system
9836 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
9837 * this method, it quiesces the device by stopping the driver's worker
9838 * thread for the device, turning off device's interrupt and DMA, and bring
9839 * the device offline. Note that as the driver implements the minimum PM
9840 * requirements to a power-aware driver's PM support for suspend/resume -- all
9841 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
9842 * method call will be treated as SUSPEND and the driver will fully
9843 * reinitialize its device during resume() method call, the driver will set
9844 * device to PCI_D3hot state in PCI config space instead of setting it
3772a991 9845 * according to the @msg provided by the PM.
3a55b532
JS		 9846 *
9847 * Return code
3772a991
JS		 9848 * 0 - driver suspended the device
9849 * Error otherwise
3a55b532
JS		 9850 **/
9851static int
da0436e9 9852lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg)
3a55b532
JS		 9853{
9854 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9855 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9856
9857 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
75baf696 9858 "2843 PCI device Power Management suspend.\n");
3a55b532
JS		 9859
9860 /* Bring down the device */
618a5230 9861 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
3a55b532
JS		 9862 lpfc_offline(phba);
9863 kthread_stop(phba->worker_thread);
9864
9865 /* Disable interrupt from device */
da0436e9 9866 lpfc_sli4_disable_intr(phba);
5350d872 9867 lpfc_sli4_queue_destroy(phba);
3a55b532
JS		 9868
9869 /* Save device state to PCI config space */
9870 pci_save_state(pdev);
9871 pci_set_power_state(pdev, PCI_D3hot);
9872
9873 return 0;
9874}
9875
9876/**
da0436e9 9877 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
3a55b532
JS		 9878 * @pdev: pointer to PCI device
9879 *
da0436e9
JS		 9880 * This routine is called from the kernel's PCI subsystem to support system
9881 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
9882 * this method, it restores the device's PCI config space state and fully
9883 * reinitializes the device and brings it online. Note that as the driver
9884 * implements the minimum PM requirements to a power-aware driver's PM for
9885 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9886 * to the suspend() method call will be treated as SUSPEND and the driver
9887 * will fully reinitialize its device during resume() method call, the device
9888 * will be set to PCI_D0 directly in PCI config space before restoring the
9889 * state.
3a55b532
JS		 9890 *
9891 * Return code
3772a991
JS		 9892 * 0 - driver suspended the device
9893 * Error otherwise
3a55b532
JS		 9894 **/
9895static int
da0436e9 9896lpfc_pci_resume_one_s4(struct pci_dev *pdev)
3a55b532
JS		 9897{
9898 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9899 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
5b75da2f 9900 uint32_t intr_mode;
3a55b532
JS		 9901 int error;
9902
9903 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
da0436e9 9904 "0292 PCI device Power Management resume.\n");
3a55b532
JS		 9905
9906 /* Restore device state from PCI config space */
9907 pci_set_power_state(pdev, PCI_D0);
9908 pci_restore_state(pdev);
1dfb5a47
JS		 9909
9910 /*
9911 * As the new kernel behavior of pci_restore_state() API call clears
9912 * device saved_state flag, need to save the restored state again.
9913 */
9914 pci_save_state(pdev);
9915
3a55b532
JS		 9916 if (pdev->is_busmaster)
9917 pci_set_master(pdev);
9918
da0436e9 9919 /* Startup the kernel thread for this host adapter. */
3a55b532
JS		 9920 phba->worker_thread = kthread_run(lpfc_do_work, phba,
9921 "lpfc_worker_%d", phba->brd_no);
9922 if (IS_ERR(phba->worker_thread)) {
9923 error = PTR_ERR(phba->worker_thread);
9924 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9925 "0293 PM resume failed to start worker "
3a55b532
JS		 9926 "thread: error=x%x.\n", error);
9927 return error;
9928 }
9929
5b75da2f 9930 /* Configure and enable interrupt */
da0436e9 9931 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
5b75da2f 9932 if (intr_mode == LPFC_INTR_ERROR) {
3a55b532 9933 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 9934 "0294 PM resume Failed to enable interrupt\n");
5b75da2f
JS		 9935 return -EIO;
9936 } else
9937 phba->intr_mode = intr_mode;
3a55b532
JS		 9938
9939 /* Restart HBA and bring it online */
9940 lpfc_sli_brdrestart(phba);
9941 lpfc_online(phba);
9942
5b75da2f
JS		 9943 /* Log the current active interrupt mode */
9944 lpfc_log_intr_mode(phba, phba->intr_mode);
9945
3a55b532
JS		 9946 return 0;
9947}
9948
75baf696
JS		 9949/**
9950 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
9951 * @phba: pointer to lpfc hba data structure.
9952 *
9953 * This routine is called to prepare the SLI4 device for PCI slot recover. It
9954 * aborts all the outstanding SCSI I/Os to the pci device.
9955 **/
9956static void
9957lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba)
9958{
9959 struct lpfc_sli *psli = &phba->sli;
9960 struct lpfc_sli_ring *pring;
9961
9962 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9963 "2828 PCI channel I/O abort preparing for recovery\n");
9964 /*
9965 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9966 * and let the SCSI mid-layer to retry them to recover.
9967 */
9968 pring = &psli->ring[psli->fcp_ring];
9969 lpfc_sli_abort_iocb_ring(phba, pring);
9970}
9971
9972/**
9973 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
9974 * @phba: pointer to lpfc hba data structure.
9975 *
9976 * This routine is called to prepare the SLI4 device for PCI slot reset. It
9977 * disables the device interrupt and pci device, and aborts the internal FCP
9978 * pending I/Os.
9979 **/
9980static void
9981lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba)
9982{
9983 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9984 "2826 PCI channel disable preparing for reset\n");
9985
9986 /* Block any management I/Os to the device */
618a5230 9987 lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT);
75baf696
JS		 9988
9989 /* Block all SCSI devices' I/Os on the host */
9990 lpfc_scsi_dev_block(phba);
9991
9992 /* stop all timers */
9993 lpfc_stop_hba_timers(phba);
9994
9995 /* Disable interrupt and pci device */
9996 lpfc_sli4_disable_intr(phba);
5350d872 9997 lpfc_sli4_queue_destroy(phba);
75baf696
JS		 9998 pci_disable_device(phba->pcidev);
9999
10000 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
10001 lpfc_sli_flush_fcp_rings(phba);
10002}
10003
10004/**
10005 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
10006 * @phba: pointer to lpfc hba data structure.
10007 *
10008 * This routine is called to prepare the SLI4 device for PCI slot permanently
10009 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
10010 * pending I/Os.
10011 **/
10012static void
10013lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba)
10014{
10015 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10016 "2827 PCI channel permanent disable for failure\n");
10017
10018 /* Block all SCSI devices' I/Os on the host */
10019 lpfc_scsi_dev_block(phba);
10020
10021 /* stop all timers */
10022 lpfc_stop_hba_timers(phba);
10023
10024 /* Clean up all driver's outstanding SCSI I/Os */
10025 lpfc_sli_flush_fcp_rings(phba);
10026}
10027
8d63f375 10028/**
da0436e9 10029 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
e59058c4
JS		 10030 * @pdev: pointer to PCI device.
10031 * @state: the current PCI connection state.
8d63f375 10032 *
da0436e9
JS		 10033 * This routine is called from the PCI subsystem for error handling to device
10034 * with SLI-4 interface spec. This function is called by the PCI subsystem
10035 * after a PCI bus error affecting this device has been detected. When this
10036 * function is invoked, it will need to stop all the I/Os and interrupt(s)
10037 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
10038 * for the PCI subsystem to perform proper recovery as desired.
e59058c4
JS		 10039 *
10040 * Return codes
3772a991
JS		 10041 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10042 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
e59058c4 10043 **/
3772a991 10044static pci_ers_result_t
da0436e9 10045lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
8d63f375 10046{
75baf696
JS		 10047 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10048 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10049
10050 switch (state) {
10051 case pci_channel_io_normal:
10052 /* Non-fatal error, prepare for recovery */
10053 lpfc_sli4_prep_dev_for_recover(phba);
10054 return PCI_ERS_RESULT_CAN_RECOVER;
10055 case pci_channel_io_frozen:
10056 /* Fatal error, prepare for slot reset */
10057 lpfc_sli4_prep_dev_for_reset(phba);
10058 return PCI_ERS_RESULT_NEED_RESET;
10059 case pci_channel_io_perm_failure:
10060 /* Permanent failure, prepare for device down */
10061 lpfc_sli4_prep_dev_for_perm_failure(phba);
10062 return PCI_ERS_RESULT_DISCONNECT;
10063 default:
10064 /* Unknown state, prepare and request slot reset */
10065 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10066 "2825 Unknown PCI error state: x%x\n", state);
10067 lpfc_sli4_prep_dev_for_reset(phba);
10068 return PCI_ERS_RESULT_NEED_RESET;
10069 }
8d63f375
LV		 10070}
10071
10072/**
da0436e9 10073 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
e59058c4
JS		 10074 * @pdev: pointer to PCI device.
10075 *
da0436e9
JS		 10076 * This routine is called from the PCI subsystem for error handling to device
10077 * with SLI-4 interface spec. It is called after PCI bus has been reset to
10078 * restart the PCI card from scratch, as if from a cold-boot. During the
10079 * PCI subsystem error recovery, after the driver returns
3772a991 10080 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
da0436e9
JS		 10081 * recovery and then call this routine before calling the .resume method to
10082 * recover the device. This function will initialize the HBA device, enable
10083 * the interrupt, but it will just put the HBA to offline state without
10084 * passing any I/O traffic.
8d63f375 10085 *
e59058c4 10086 * Return codes
3772a991
JS		 10087 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10088 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
8d63f375 10089 */
3772a991 10090static pci_ers_result_t
da0436e9 10091lpfc_io_slot_reset_s4(struct pci_dev *pdev)
8d63f375 10092{
75baf696
JS		 10093 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10094 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10095 struct lpfc_sli *psli = &phba->sli;
10096 uint32_t intr_mode;
10097
10098 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
10099 if (pci_enable_device_mem(pdev)) {
10100 printk(KERN_ERR "lpfc: Cannot re-enable "
10101 "PCI device after reset.\n");
10102 return PCI_ERS_RESULT_DISCONNECT;
10103 }
10104
10105 pci_restore_state(pdev);
0a96e975
JS		 10106
10107 /*
10108 * As the new kernel behavior of pci_restore_state() API call clears
10109 * device saved_state flag, need to save the restored state again.
10110 */
10111 pci_save_state(pdev);
10112
75baf696
JS		 10113 if (pdev->is_busmaster)
10114 pci_set_master(pdev);
10115
10116 spin_lock_irq(&phba->hbalock);
10117 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
10118 spin_unlock_irq(&phba->hbalock);
10119
10120 /* Configure and enable interrupt */
10121 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
10122 if (intr_mode == LPFC_INTR_ERROR) {
10123 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10124 "2824 Cannot re-enable interrupt after "
10125 "slot reset.\n");
10126 return PCI_ERS_RESULT_DISCONNECT;
10127 } else
10128 phba->intr_mode = intr_mode;
10129
10130 /* Log the current active interrupt mode */
10131 lpfc_log_intr_mode(phba, phba->intr_mode);
10132
8d63f375
LV		 10133 return PCI_ERS_RESULT_RECOVERED;
10134}
10135
10136/**
da0436e9 10137 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
e59058c4 10138 * @pdev: pointer to PCI device
8d63f375 10139 *
3772a991 10140 * This routine is called from the PCI subsystem for error handling to device
da0436e9 10141 * with SLI-4 interface spec. It is called when kernel error recovery tells
3772a991
JS		 10142 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10143 * error recovery. After this call, traffic can start to flow from this device
10144 * again.
da0436e9 10145 **/
3772a991 10146static void
da0436e9 10147lpfc_io_resume_s4(struct pci_dev *pdev)
8d63f375 10148{
75baf696
JS		 10149 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10150 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10151
10152 /*
10153 * In case of slot reset, as function reset is performed through
10154 * mailbox command which needs DMA to be enabled, this operation
10155 * has to be moved to the io resume phase. Taking device offline
10156 * will perform the necessary cleanup.
10157 */
10158 if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) {
10159 /* Perform device reset */
618a5230 10160 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
75baf696
JS		 10161 lpfc_offline(phba);
10162 lpfc_sli_brdrestart(phba);
10163 /* Bring the device back online */
10164 lpfc_online(phba);
10165 }
10166
10167 /* Clean up Advanced Error Reporting (AER) if needed */
10168 if (phba->hba_flag & HBA_AER_ENABLED)
10169 pci_cleanup_aer_uncorrect_error_status(pdev);
8d63f375
LV		 10170}
10171
3772a991
JS		 10172/**
10173 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
10174 * @pdev: pointer to PCI device
10175 * @pid: pointer to PCI device identifier
10176 *
10177 * This routine is to be registered to the kernel's PCI subsystem. When an
10178 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
10179 * at PCI device-specific information of the device and driver to see if the
10180 * driver state that it can support this kind of device. If the match is
10181 * successful, the driver core invokes this routine. This routine dispatches
10182 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
10183 * do all the initialization that it needs to do to handle the HBA device
10184 * properly.
10185 *
10186 * Return code
10187 * 0 - driver can claim the device
10188 * negative value - driver can not claim the device
10189 **/
6f039790 10190static int
3772a991
JS		 10191lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
10192{
10193 int rc;
8fa38513 10194 struct lpfc_sli_intf intf;
3772a991 10195
28baac74 10196 if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0))
3772a991
JS		 10197 return -ENODEV;
10198
8fa38513 10199 if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) &&
28baac74 10200 (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4))
da0436e9 10201 rc = lpfc_pci_probe_one_s4(pdev, pid);
8fa38513 10202 else
3772a991 10203 rc = lpfc_pci_probe_one_s3(pdev, pid);
8fa38513 10204
3772a991
JS		 10205 return rc;
10206}
10207
10208/**
10209 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
10210 * @pdev: pointer to PCI device
10211 *
10212 * This routine is to be registered to the kernel's PCI subsystem. When an
10213 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
10214 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
10215 * remove routine, which will perform all the necessary cleanup for the
10216 * device to be removed from the PCI subsystem properly.
10217 **/
6f039790 10218static void
3772a991
JS		 10219lpfc_pci_remove_one(struct pci_dev *pdev)
10220{
10221 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10222 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10223
10224 switch (phba->pci_dev_grp) {
10225 case LPFC_PCI_DEV_LP:
10226 lpfc_pci_remove_one_s3(pdev);
10227 break;
da0436e9
JS		 10228 case LPFC_PCI_DEV_OC:
10229 lpfc_pci_remove_one_s4(pdev);
10230 break;
3772a991
JS		 10231 default:
10232 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10233 "1424 Invalid PCI device group: 0x%x\n",
10234 phba->pci_dev_grp);
10235 break;
10236 }
10237 return;
10238}
10239
10240/**
10241 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
10242 * @pdev: pointer to PCI device
10243 * @msg: power management message
10244 *
10245 * This routine is to be registered to the kernel's PCI subsystem to support
10246 * system Power Management (PM). When PM invokes this method, it dispatches
10247 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
10248 * suspend the device.
10249 *
10250 * Return code
10251 * 0 - driver suspended the device
10252 * Error otherwise
10253 **/
10254static int
10255lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg)
10256{
10257 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10258 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10259 int rc = -ENODEV;
10260
10261 switch (phba->pci_dev_grp) {
10262 case LPFC_PCI_DEV_LP:
10263 rc = lpfc_pci_suspend_one_s3(pdev, msg);
10264 break;
da0436e9
JS		 10265 case LPFC_PCI_DEV_OC:
10266 rc = lpfc_pci_suspend_one_s4(pdev, msg);
10267 break;
3772a991
JS		 10268 default:
10269 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10270 "1425 Invalid PCI device group: 0x%x\n",
10271 phba->pci_dev_grp);
10272 break;
10273 }
10274 return rc;
10275}
10276
10277/**
10278 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
10279 * @pdev: pointer to PCI device
10280 *
10281 * This routine is to be registered to the kernel's PCI subsystem to support
10282 * system Power Management (PM). When PM invokes this method, it dispatches
10283 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
10284 * resume the device.
10285 *
10286 * Return code
10287 * 0 - driver suspended the device
10288 * Error otherwise
10289 **/
10290static int
10291lpfc_pci_resume_one(struct pci_dev *pdev)
10292{
10293 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10294 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10295 int rc = -ENODEV;
10296
10297 switch (phba->pci_dev_grp) {
10298 case LPFC_PCI_DEV_LP:
10299 rc = lpfc_pci_resume_one_s3(pdev);
10300 break;
da0436e9
JS		 10301 case LPFC_PCI_DEV_OC:
10302 rc = lpfc_pci_resume_one_s4(pdev);
10303 break;
3772a991
JS		 10304 default:
10305 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10306 "1426 Invalid PCI device group: 0x%x\n",
10307 phba->pci_dev_grp);
10308 break;
10309 }
10310 return rc;
10311}
10312
10313/**
10314 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
10315 * @pdev: pointer to PCI device.
10316 * @state: the current PCI connection state.
10317 *
10318 * This routine is registered to the PCI subsystem for error handling. This
10319 * function is called by the PCI subsystem after a PCI bus error affecting
10320 * this device has been detected. When this routine is invoked, it dispatches
10321 * the action to the proper SLI-3 or SLI-4 device error detected handling
10322 * routine, which will perform the proper error detected operation.
10323 *
10324 * Return codes
10325 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10326 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10327 **/
10328static pci_ers_result_t
10329lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
10330{
10331 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10332 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10333 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
10334
10335 switch (phba->pci_dev_grp) {
10336 case LPFC_PCI_DEV_LP:
10337 rc = lpfc_io_error_detected_s3(pdev, state);
10338 break;
da0436e9
JS		 10339 case LPFC_PCI_DEV_OC:
10340 rc = lpfc_io_error_detected_s4(pdev, state);
10341 break;
3772a991
JS		 10342 default:
10343 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10344 "1427 Invalid PCI device group: 0x%x\n",
10345 phba->pci_dev_grp);
10346 break;
10347 }
10348 return rc;
10349}
10350
10351/**
10352 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
10353 * @pdev: pointer to PCI device.
10354 *
10355 * This routine is registered to the PCI subsystem for error handling. This
10356 * function is called after PCI bus has been reset to restart the PCI card
10357 * from scratch, as if from a cold-boot. When this routine is invoked, it
10358 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
10359 * routine, which will perform the proper device reset.
10360 *
10361 * Return codes
10362 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10363 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10364 **/
10365static pci_ers_result_t
10366lpfc_io_slot_reset(struct pci_dev *pdev)
10367{
10368 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10369 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10370 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
10371
10372 switch (phba->pci_dev_grp) {
10373 case LPFC_PCI_DEV_LP:
10374 rc = lpfc_io_slot_reset_s3(pdev);
10375 break;
da0436e9
JS		 10376 case LPFC_PCI_DEV_OC:
10377 rc = lpfc_io_slot_reset_s4(pdev);
10378 break;
3772a991
JS		 10379 default:
10380 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10381 "1428 Invalid PCI device group: 0x%x\n",
10382 phba->pci_dev_grp);
10383 break;
10384 }
10385 return rc;
10386}
10387
10388/**
10389 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
10390 * @pdev: pointer to PCI device
10391 *
10392 * This routine is registered to the PCI subsystem for error handling. It
10393 * is called when kernel error recovery tells the lpfc driver that it is
10394 * OK to resume normal PCI operation after PCI bus error recovery. When
10395 * this routine is invoked, it dispatches the action to the proper SLI-3
10396 * or SLI-4 device io_resume routine, which will resume the device operation.
10397 **/
10398static void
10399lpfc_io_resume(struct pci_dev *pdev)
10400{
10401 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10402 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10403
10404 switch (phba->pci_dev_grp) {
10405 case LPFC_PCI_DEV_LP:
10406 lpfc_io_resume_s3(pdev);
10407 break;
da0436e9
JS		 10408 case LPFC_PCI_DEV_OC:
10409 lpfc_io_resume_s4(pdev);
10410 break;
3772a991
JS		 10411 default:
10412 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10413 "1429 Invalid PCI device group: 0x%x\n",
10414 phba->pci_dev_grp);
10415 break;
10416 }
10417 return;
10418}
10419
3ef6d24c
JS		 10420/**
10421 * lpfc_mgmt_open - method called when 'lpfcmgmt' is opened from userspace
10422 * @inode: pointer to the inode representing the lpfcmgmt device
10423 * @filep: pointer to the file representing the open lpfcmgmt device
10424 *
10425 * This routine puts a reference count on the lpfc module whenever the
10426 * character device is opened
10427 **/
10428static int
10429lpfc_mgmt_open(struct inode *inode, struct file *filep)
10430{
10431 try_module_get(THIS_MODULE);
10432 return 0;
10433}
10434
10435/**
10436 * lpfc_mgmt_release - method called when 'lpfcmgmt' is closed in userspace
10437 * @inode: pointer to the inode representing the lpfcmgmt device
10438 * @filep: pointer to the file representing the open lpfcmgmt device
10439 *
10440 * This routine removes a reference count from the lpfc module when the
10441 * character device is closed
10442 **/
10443static int
10444lpfc_mgmt_release(struct inode *inode, struct file *filep)
10445{
10446 module_put(THIS_MODULE);
10447 return 0;
10448}
10449
dea3101e 10450static struct pci_device_id lpfc_id_table[] = {
10451 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
10452 PCI_ANY_ID, PCI_ANY_ID, },
06325e74
JSEC		 10453 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
10454 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10455 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
10456 PCI_ANY_ID, PCI_ANY_ID, },
10457 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
10458 PCI_ANY_ID, PCI_ANY_ID, },
10459 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
10460 PCI_ANY_ID, PCI_ANY_ID, },
10461 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
10462 PCI_ANY_ID, PCI_ANY_ID, },
10463 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
10464 PCI_ANY_ID, PCI_ANY_ID, },
10465 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
10466 PCI_ANY_ID, PCI_ANY_ID, },
10467 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
10468 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10469 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
10470 PCI_ANY_ID, PCI_ANY_ID, },
10471 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
10472 PCI_ANY_ID, PCI_ANY_ID, },
10473 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
10474 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10475 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
10476 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10477 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
10478 PCI_ANY_ID, PCI_ANY_ID, },
10479 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
10480 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10481 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
10482 PCI_ANY_ID, PCI_ANY_ID, },
10483 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
10484 PCI_ANY_ID, PCI_ANY_ID, },
10485 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
10486 PCI_ANY_ID, PCI_ANY_ID, },
84774a4d
JS		 10487 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET,
10488 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10489 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
10490 PCI_ANY_ID, PCI_ANY_ID, },
10491 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
10492 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10493 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
10494 PCI_ANY_ID, PCI_ANY_ID, },
10495 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
10496 PCI_ANY_ID, PCI_ANY_ID, },
10497 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
10498 PCI_ANY_ID, PCI_ANY_ID, },
10499 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
10500 PCI_ANY_ID, PCI_ANY_ID, },
10501 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
10502 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 10503 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
10504 PCI_ANY_ID, PCI_ANY_ID, },
10505 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
10506 PCI_ANY_ID, PCI_ANY_ID, },
b87eab38
JS		 10507 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
10508 PCI_ANY_ID, PCI_ANY_ID, },
10509 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
10510 PCI_ANY_ID, PCI_ANY_ID, },
10511 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
10512 PCI_ANY_ID, PCI_ANY_ID, },
10513 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
10514 PCI_ANY_ID, PCI_ANY_ID, },
10515 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
10516 PCI_ANY_ID, PCI_ANY_ID, },
10517 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
10518 PCI_ANY_ID, PCI_ANY_ID, },
84774a4d
JS		 10519 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF,
10520 PCI_ANY_ID, PCI_ANY_ID, },
10521 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF,
10522 PCI_ANY_ID, PCI_ANY_ID, },
10523 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S,
10524 PCI_ANY_ID, PCI_ANY_ID, },
3772a991
JS		 10525 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK,
10526 PCI_ANY_ID, PCI_ANY_ID, },
a747c9ce
JS		 10527 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TOMCAT,
10528 PCI_ANY_ID, PCI_ANY_ID, },
10529 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FALCON,
6669f9bb 10530 PCI_ANY_ID, PCI_ANY_ID, },
98fc5dd9
JS		 10531 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BALIUS,
10532 PCI_ANY_ID, PCI_ANY_ID, },
085c647c
JS		 10533 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC,
10534 PCI_ANY_ID, PCI_ANY_ID, },
10535 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE,
10536 PCI_ANY_ID, PCI_ANY_ID, },
c0c11512
JS		 10537 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC_VF,
10538 PCI_ANY_ID, PCI_ANY_ID, },
10539 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE_VF,
10540 PCI_ANY_ID, PCI_ANY_ID, },
f8cafd38
JS		 10541 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK,
10542 PCI_ANY_ID, PCI_ANY_ID, },
10543 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK_VF,
10544 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e 10545 { 0 }
10546};
10547
10548MODULE_DEVICE_TABLE(pci, lpfc_id_table);
10549
a55b2d21 10550static const struct pci_error_handlers lpfc_err_handler = {
8d63f375
LV		 10551 .error_detected = lpfc_io_error_detected,
10552 .slot_reset = lpfc_io_slot_reset,
10553 .resume = lpfc_io_resume,
10554};
10555
dea3101e 10556static struct pci_driver lpfc_driver = {
10557 .name = LPFC_DRIVER_NAME,
10558 .id_table = lpfc_id_table,
10559 .probe = lpfc_pci_probe_one,
6f039790 10560 .remove = lpfc_pci_remove_one,
3a55b532 10561 .suspend = lpfc_pci_suspend_one,
3772a991 10562 .resume = lpfc_pci_resume_one,
2e0fef85 10563 .err_handler = &lpfc_err_handler,
dea3101e 10564};
10565
3ef6d24c
JS		 10566static const struct file_operations lpfc_mgmt_fop = {
10567 .open = lpfc_mgmt_open,
10568 .release = lpfc_mgmt_release,
10569};
10570
10571static struct miscdevice lpfc_mgmt_dev = {
10572 .minor = MISC_DYNAMIC_MINOR,
10573 .name = "lpfcmgmt",
10574 .fops = &lpfc_mgmt_fop,
10575};
10576
e59058c4 10577/**
3621a710 10578 * lpfc_init - lpfc module initialization routine
e59058c4
JS		 10579 *
10580 * This routine is to be invoked when the lpfc module is loaded into the
10581 * kernel. The special kernel macro module_init() is used to indicate the
10582 * role of this routine to the kernel as lpfc module entry point.
10583 *
10584 * Return codes
10585 * 0 - successful
10586 * -ENOMEM - FC attach transport failed
10587 * all others - failed
10588 */
dea3101e 10589static int __init
10590lpfc_init(void)
10591{
10592 int error = 0;
10593
10594 printk(LPFC_MODULE_DESC "\n");
c44ce173 10595 printk(LPFC_COPYRIGHT "\n");
dea3101e 10596
3ef6d24c
JS		 10597 error = misc_register(&lpfc_mgmt_dev);
10598 if (error)
10599 printk(KERN_ERR "Could not register lpfcmgmt device, "
10600 "misc_register returned with status %d", error);
10601
7ee5d43e
JS		 10602 if (lpfc_enable_npiv) {
10603 lpfc_transport_functions.vport_create = lpfc_vport_create;
10604 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
10605 }
dea3101e 10606 lpfc_transport_template =
10607 fc_attach_transport(&lpfc_transport_functions);
7ee5d43e 10608 if (lpfc_transport_template == NULL)
dea3101e 10609 return -ENOMEM;
7ee5d43e 10610 if (lpfc_enable_npiv) {
7ee5d43e 10611 lpfc_vport_transport_template =
98c9ea5c
JS		 10612 fc_attach_transport(&lpfc_vport_transport_functions);
10613 if (lpfc_vport_transport_template == NULL) {
10614 fc_release_transport(lpfc_transport_template);
7ee5d43e 10615 return -ENOMEM;
98c9ea5c 10616 }
7ee5d43e 10617 }
dea3101e 10618 error = pci_register_driver(&lpfc_driver);
92d7f7b0 10619 if (error) {
dea3101e 10620 fc_release_transport(lpfc_transport_template);
d7c255b2
JS		 10621 if (lpfc_enable_npiv)
10622 fc_release_transport(lpfc_vport_transport_template);
92d7f7b0 10623 }
dea3101e 10624
10625 return error;
10626}
10627
e59058c4 10628/**
3621a710 10629 * lpfc_exit - lpfc module removal routine
e59058c4
JS		 10630 *
10631 * This routine is invoked when the lpfc module is removed from the kernel.
10632 * The special kernel macro module_exit() is used to indicate the role of
10633 * this routine to the kernel as lpfc module exit point.
10634 */
dea3101e 10635static void __exit
10636lpfc_exit(void)
10637{
3ef6d24c 10638 misc_deregister(&lpfc_mgmt_dev);
dea3101e 10639 pci_unregister_driver(&lpfc_driver);
10640 fc_release_transport(lpfc_transport_template);
7ee5d43e
JS		 10641 if (lpfc_enable_npiv)
10642 fc_release_transport(lpfc_vport_transport_template);
81301a9b 10643 if (_dump_buf_data) {
6a9c52cf
JS		 10644 printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for "
10645 "_dump_buf_data at 0x%p\n",
81301a9b
JS		 10646 (1L << _dump_buf_data_order), _dump_buf_data);
10647 free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order);
10648 }
10649
10650 if (_dump_buf_dif) {
6a9c52cf
JS		 10651 printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for "
10652 "_dump_buf_dif at 0x%p\n",
81301a9b
JS		 10653 (1L << _dump_buf_dif_order), _dump_buf_dif);
10654 free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order);
10655 }
dea3101e 10656}
10657
10658module_init(lpfc_init);
10659module_exit(lpfc_exit);
10660MODULE_LICENSE("GPL");
10661MODULE_DESCRIPTION(LPFC_MODULE_DESC);
10662MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
10663MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
Linux kernel - Deliverables
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