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lpfc: mark function as static in lpfc/lpfc_bsg.c
[mirror_ubuntu-bionic-kernel.git] / drivers / scsi / lpfc / lpfc_init.c
CommitLineData
dea3101e
JB		 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
c44ce173 3 * Fibre Channel Host Bus Adapters. *
16a59fb3 4 * Copyright (C) 2004-2014 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
JB		 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
JB		 20 *******************************************************************/
21
dea3101e
JB		 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
JB		 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>
7bb03bbf 36#include <linux/percpu.h>
dea3101e 37
91886523 38#include <scsi/scsi.h>
dea3101e
JB		 39#include <scsi/scsi_device.h>
40#include <scsi/scsi_host.h>
41#include <scsi/scsi_transport_fc.h>
42
da0436e9 43#include "lpfc_hw4.h"
dea3101e
JB		 44#include "lpfc_hw.h"
45#include "lpfc_sli.h"
da0436e9 46#include "lpfc_sli4.h"
ea2151b4 47#include "lpfc_nl.h"
dea3101e
JB		 48#include "lpfc_disc.h"
49#include "lpfc_scsi.h"
50#include "lpfc.h"
51#include "lpfc_logmsg.h"
52#include "lpfc_crtn.h"
92d7f7b0 53#include "lpfc_vport.h"
dea3101e
JB		 54#include "lpfc_version.h"
55
81301a9b
JS		 56char *_dump_buf_data;
57unsigned long _dump_buf_data_order;
58char *_dump_buf_dif;
59unsigned long _dump_buf_dif_order;
60spinlock_t _dump_buf_lock;
61
7bb03bbf 62/* Used when mapping IRQ vectors in a driver centric manner */
b246de17
JS		 63uint16_t *lpfc_used_cpu;
64uint32_t lpfc_present_cpu;
7bb03bbf 65
dea3101e
JB		 66static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
67static int lpfc_post_rcv_buf(struct lpfc_hba *);
5350d872 68static int lpfc_sli4_queue_verify(struct lpfc_hba *);
da0436e9
JS		 69static int lpfc_create_bootstrap_mbox(struct lpfc_hba *);
70static int lpfc_setup_endian_order(struct lpfc_hba *);
da0436e9 71static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *);
8a9d2e80
JS		 72static void lpfc_free_els_sgl_list(struct lpfc_hba *);
73static void lpfc_init_sgl_list(struct lpfc_hba *);
da0436e9
JS		 74static int lpfc_init_active_sgl_array(struct lpfc_hba *);
75static void lpfc_free_active_sgl(struct lpfc_hba *);
76static int lpfc_hba_down_post_s3(struct lpfc_hba *phba);
77static int lpfc_hba_down_post_s4(struct lpfc_hba *phba);
78static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *);
79static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *);
80static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *);
618a5230
JS		 81static void lpfc_sli4_disable_intr(struct lpfc_hba *);
82static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba *, uint32_t);
1ba981fd 83static void lpfc_sli4_oas_verify(struct lpfc_hba *phba);
dea3101e
JB		 84
85static struct scsi_transport_template *lpfc_transport_template = NULL;
92d7f7b0 86static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
dea3101e
JB		 87static DEFINE_IDR(lpfc_hba_index);
88
e59058c4 89/**
3621a710 90 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
e59058c4
JS		 91 * @phba: pointer to lpfc hba data structure.
92 *
93 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
94 * mailbox command. It retrieves the revision information from the HBA and
95 * collects the Vital Product Data (VPD) about the HBA for preparing the
96 * configuration of the HBA.
97 *
98 * Return codes:
99 * 0 - success.
100 * -ERESTART - requests the SLI layer to reset the HBA and try again.
101 * Any other value - indicates an error.
102 **/
dea3101e 103int
2e0fef85 104lpfc_config_port_prep(struct lpfc_hba *phba)
dea3101e
JB		 105{
106 lpfc_vpd_t *vp = &phba->vpd;
107 int i = 0, rc;
108 LPFC_MBOXQ_t *pmb;
109 MAILBOX_t *mb;
110 char *lpfc_vpd_data = NULL;
111 uint16_t offset = 0;
112 static char licensed[56] =
113 "key unlock for use with gnu public licensed code only\0";
65a29c16 114 static int init_key = 1;
dea3101e
JB		 115
116 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
117 if (!pmb) {
2e0fef85 118 phba->link_state = LPFC_HBA_ERROR;
dea3101e
JB		 119 return -ENOMEM;
120 }
121
04c68496 122 mb = &pmb->u.mb;
2e0fef85 123 phba->link_state = LPFC_INIT_MBX_CMDS;
dea3101e
JB		 124
125 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
65a29c16
JS		 126 if (init_key) {
127 uint32_t *ptext = (uint32_t *) licensed;
dea3101e 128
65a29c16
JS		 129 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
130 *ptext = cpu_to_be32(*ptext);
131 init_key = 0;
132 }
dea3101e
JB		 133
134 lpfc_read_nv(phba, pmb);
135 memset((char*)mb->un.varRDnvp.rsvd3, 0,
136 sizeof (mb->un.varRDnvp.rsvd3));
137 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
138 sizeof (licensed));
139
140 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
141
142 if (rc != MBX_SUCCESS) {
ed957684 143 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
e8b62011 144 "0324 Config Port initialization "
dea3101e
JB		 145 "error, mbxCmd x%x READ_NVPARM, "
146 "mbxStatus x%x\n",
dea3101e
JB		 147 mb->mbxCommand, mb->mbxStatus);
148 mempool_free(pmb, phba->mbox_mem_pool);
149 return -ERESTART;
150 }
151 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
2e0fef85
JS		 152 sizeof(phba->wwnn));
153 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
154 sizeof(phba->wwpn));
dea3101e
JB		 155 }
156
92d7f7b0
JS		 157 phba->sli3_options = 0x0;
158
dea3101e
JB		 159 /* Setup and issue mailbox READ REV command */
160 lpfc_read_rev(phba, pmb);
161 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
162 if (rc != MBX_SUCCESS) {
ed957684 163 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 164 "0439 Adapter failed to init, mbxCmd x%x "
dea3101e 165 "READ_REV, mbxStatus x%x\n",
dea3101e
JB		 166 mb->mbxCommand, mb->mbxStatus);
167 mempool_free( pmb, phba->mbox_mem_pool);
168 return -ERESTART;
169 }
170
92d7f7b0 171
1de933f3
JSEC		 172 /*
173 * The value of rr must be 1 since the driver set the cv field to 1.
174 * This setting requires the FW to set all revision fields.
dea3101e 175 */
1de933f3 176 if (mb->un.varRdRev.rr == 0) {
dea3101e 177 vp->rev.rBit = 0;
1de933f3 178 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011
JS		 179 "0440 Adapter failed to init, READ_REV has "
180 "missing revision information.\n");
dea3101e
JB		 181 mempool_free(pmb, phba->mbox_mem_pool);
182 return -ERESTART;
dea3101e
JB		 183 }
184
495a714c
JS		 185 if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) {
186 mempool_free(pmb, phba->mbox_mem_pool);
ed957684 187 return -EINVAL;
495a714c 188 }
ed957684 189
dea3101e 190 /* Save information as VPD data */
1de933f3 191 vp->rev.rBit = 1;
92d7f7b0 192 memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
1de933f3
JSEC		 193 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
194 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
195 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
196 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
dea3101e
JB		 197 vp->rev.biuRev = mb->un.varRdRev.biuRev;
198 vp->rev.smRev = mb->un.varRdRev.smRev;
199 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
200 vp->rev.endecRev = mb->un.varRdRev.endecRev;
201 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
202 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
203 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
204 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
205 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
206 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
207
92d7f7b0
JS		 208 /* If the sli feature level is less then 9, we must
209 * tear down all RPIs and VPIs on link down if NPIV
210 * is enabled.
211 */
212 if (vp->rev.feaLevelHigh < 9)
213 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
214
dea3101e
JB		 215 if (lpfc_is_LC_HBA(phba->pcidev->device))
216 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
217 sizeof (phba->RandomData));
218
dea3101e 219 /* Get adapter VPD information */
dea3101e
JB		 220 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
221 if (!lpfc_vpd_data)
d7c255b2 222 goto out_free_mbox;
dea3101e 223 do {
a0c87cbd 224 lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD);
dea3101e
JB		 225 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
226
227 if (rc != MBX_SUCCESS) {
228 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011 229 "0441 VPD not present on adapter, "
dea3101e 230 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
dea3101e 231 mb->mbxCommand, mb->mbxStatus);
74b72a59 232 mb->un.varDmp.word_cnt = 0;
dea3101e 233 }
04c68496
JS		 234 /* dump mem may return a zero when finished or we got a
235 * mailbox error, either way we are done.
236 */
237 if (mb->un.varDmp.word_cnt == 0)
238 break;
74b72a59
JW		 239 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
240 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
d7c255b2
JS		 241 lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
242 lpfc_vpd_data + offset,
92d7f7b0 243 mb->un.varDmp.word_cnt);
dea3101e 244 offset += mb->un.varDmp.word_cnt;
74b72a59
JW		 245 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
246 lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
dea3101e
JB		 247
248 kfree(lpfc_vpd_data);
dea3101e
JB		 249out_free_mbox:
250 mempool_free(pmb, phba->mbox_mem_pool);
251 return 0;
252}
253
e59058c4 254/**
3621a710 255 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
e59058c4
JS		 256 * @phba: pointer to lpfc hba data structure.
257 * @pmboxq: pointer to the driver internal queue element for mailbox command.
258 *
259 * This is the completion handler for driver's configuring asynchronous event
260 * mailbox command to the device. If the mailbox command returns successfully,
261 * it will set internal async event support flag to 1; otherwise, it will
262 * set internal async event support flag to 0.
263 **/
57127f15
JS		 264static void
265lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
266{
04c68496 267 if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS)
57127f15
JS		 268 phba->temp_sensor_support = 1;
269 else
270 phba->temp_sensor_support = 0;
271 mempool_free(pmboxq, phba->mbox_mem_pool);
272 return;
273}
274
97207482 275/**
3621a710 276 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
97207482
JS		 277 * @phba: pointer to lpfc hba data structure.
278 * @pmboxq: pointer to the driver internal queue element for mailbox command.
279 *
280 * This is the completion handler for dump mailbox command for getting
281 * wake up parameters. When this command complete, the response contain
282 * Option rom version of the HBA. This function translate the version number
283 * into a human readable string and store it in OptionROMVersion.
284 **/
285static void
286lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
287{
288 struct prog_id *prg;
289 uint32_t prog_id_word;
290 char dist = ' ';
291 /* character array used for decoding dist type. */
292 char dist_char[] = "nabx";
293
04c68496 294 if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) {
9f1e1b50 295 mempool_free(pmboxq, phba->mbox_mem_pool);
97207482 296 return;
9f1e1b50 297 }
97207482
JS		 298
299 prg = (struct prog_id *) &prog_id_word;
300
301 /* word 7 contain option rom version */
04c68496 302 prog_id_word = pmboxq->u.mb.un.varWords[7];
97207482
JS		 303
304 /* Decode the Option rom version word to a readable string */
305 if (prg->dist < 4)
306 dist = dist_char[prg->dist];
307
308 if ((prg->dist == 3) && (prg->num == 0))
309 sprintf(phba->OptionROMVersion, "%d.%d%d",
310 prg->ver, prg->rev, prg->lev);
311 else
312 sprintf(phba->OptionROMVersion, "%d.%d%d%c%d",
313 prg->ver, prg->rev, prg->lev,
314 dist, prg->num);
9f1e1b50 315 mempool_free(pmboxq, phba->mbox_mem_pool);
97207482
JS		 316 return;
317}
318
0558056c
JS		 319/**
320 * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
321 * cfg_soft_wwnn, cfg_soft_wwpn
322 * @vport: pointer to lpfc vport data structure.
323 *
324 *
325 * Return codes
326 * None.
327 **/
328void
329lpfc_update_vport_wwn(struct lpfc_vport *vport)
330{
331 /* If the soft name exists then update it using the service params */
332 if (vport->phba->cfg_soft_wwnn)
333 u64_to_wwn(vport->phba->cfg_soft_wwnn,
334 vport->fc_sparam.nodeName.u.wwn);
335 if (vport->phba->cfg_soft_wwpn)
336 u64_to_wwn(vport->phba->cfg_soft_wwpn,
337 vport->fc_sparam.portName.u.wwn);
338
339 /*
340 * If the name is empty or there exists a soft name
341 * then copy the service params name, otherwise use the fc name
342 */
343 if (vport->fc_nodename.u.wwn[0] == 0 || vport->phba->cfg_soft_wwnn)
344 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
345 sizeof(struct lpfc_name));
346 else
347 memcpy(&vport->fc_sparam.nodeName, &vport->fc_nodename,
348 sizeof(struct lpfc_name));
349
350 if (vport->fc_portname.u.wwn[0] == 0 || vport->phba->cfg_soft_wwpn)
351 memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
352 sizeof(struct lpfc_name));
353 else
354 memcpy(&vport->fc_sparam.portName, &vport->fc_portname,
355 sizeof(struct lpfc_name));
356}
357
e59058c4 358/**
3621a710 359 * lpfc_config_port_post - Perform lpfc initialization after config port
e59058c4
JS		 360 * @phba: pointer to lpfc hba data structure.
361 *
362 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
363 * command call. It performs all internal resource and state setups on the
364 * port: post IOCB buffers, enable appropriate host interrupt attentions,
365 * ELS ring timers, etc.
366 *
367 * Return codes
368 * 0 - success.
369 * Any other value - error.
370 **/
dea3101e 371int
2e0fef85 372lpfc_config_port_post(struct lpfc_hba *phba)
dea3101e 373{
2e0fef85 374 struct lpfc_vport *vport = phba->pport;
a257bf90 375 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
dea3101e
JB		 376 LPFC_MBOXQ_t *pmb;
377 MAILBOX_t *mb;
378 struct lpfc_dmabuf *mp;
379 struct lpfc_sli *psli = &phba->sli;
380 uint32_t status, timeout;
2e0fef85
JS		 381 int i, j;
382 int rc;
dea3101e 383
7af67051
JS		 384 spin_lock_irq(&phba->hbalock);
385 /*
386 * If the Config port completed correctly the HBA is not
387 * over heated any more.
388 */
389 if (phba->over_temp_state == HBA_OVER_TEMP)
390 phba->over_temp_state = HBA_NORMAL_TEMP;
391 spin_unlock_irq(&phba->hbalock);
392
dea3101e
JB		 393 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
394 if (!pmb) {
2e0fef85 395 phba->link_state = LPFC_HBA_ERROR;
dea3101e
JB		 396 return -ENOMEM;
397 }
04c68496 398 mb = &pmb->u.mb;
dea3101e 399
dea3101e 400 /* Get login parameters for NID. */
9f1177a3
JS		 401 rc = lpfc_read_sparam(phba, pmb, 0);
402 if (rc) {
403 mempool_free(pmb, phba->mbox_mem_pool);
404 return -ENOMEM;
405 }
406
ed957684 407 pmb->vport = vport;
dea3101e 408 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
ed957684 409 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 410 "0448 Adapter failed init, mbxCmd x%x "
dea3101e 411 "READ_SPARM mbxStatus x%x\n",
dea3101e 412 mb->mbxCommand, mb->mbxStatus);
2e0fef85 413 phba->link_state = LPFC_HBA_ERROR;
dea3101e 414 mp = (struct lpfc_dmabuf *) pmb->context1;
9f1177a3 415 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e
JB		 416 lpfc_mbuf_free(phba, mp->virt, mp->phys);
417 kfree(mp);
418 return -EIO;
419 }
420
421 mp = (struct lpfc_dmabuf *) pmb->context1;
422
2e0fef85 423 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
dea3101e
JB		 424 lpfc_mbuf_free(phba, mp->virt, mp->phys);
425 kfree(mp);
426 pmb->context1 = NULL;
0558056c 427 lpfc_update_vport_wwn(vport);
a257bf90
JS		 428
429 /* Update the fc_host data structures with new wwn. */
430 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
431 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
21e9a0a5 432 fc_host_max_npiv_vports(shost) = phba->max_vpi;
a257bf90 433
dea3101e
JB		 434 /* If no serial number in VPD data, use low 6 bytes of WWNN */
435 /* This should be consolidated into parse_vpd ? - mr */
436 if (phba->SerialNumber[0] == 0) {
437 uint8_t *outptr;
438
2e0fef85 439 outptr = &vport->fc_nodename.u.s.IEEE[0];
dea3101e
JB		 440 for (i = 0; i < 12; i++) {
441 status = *outptr++;
442 j = ((status & 0xf0) >> 4);
443 if (j <= 9)
444 phba->SerialNumber[i] =
445 (char)((uint8_t) 0x30 + (uint8_t) j);
446 else
447 phba->SerialNumber[i] =
448 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
449 i++;
450 j = (status & 0xf);
451 if (j <= 9)
452 phba->SerialNumber[i] =
453 (char)((uint8_t) 0x30 + (uint8_t) j);
454 else
455 phba->SerialNumber[i] =
456 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
457 }
458 }
459
dea3101e 460 lpfc_read_config(phba, pmb);
ed957684 461 pmb->vport = vport;
dea3101e 462 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
ed957684 463 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 464 "0453 Adapter failed to init, mbxCmd x%x "
dea3101e 465 "READ_CONFIG, mbxStatus x%x\n",
dea3101e 466 mb->mbxCommand, mb->mbxStatus);
2e0fef85 467 phba->link_state = LPFC_HBA_ERROR;
dea3101e
JB		 468 mempool_free( pmb, phba->mbox_mem_pool);
469 return -EIO;
470 }
471
a0c87cbd
JS		 472 /* Check if the port is disabled */
473 lpfc_sli_read_link_ste(phba);
474
dea3101e 475 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
572709e2
JS		 476 i = (mb->un.varRdConfig.max_xri + 1);
477 if (phba->cfg_hba_queue_depth > i) {
478 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
479 "3359 HBA queue depth changed from %d to %d\n",
480 phba->cfg_hba_queue_depth, i);
481 phba->cfg_hba_queue_depth = i;
482 }
483
484 /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */
485 i = (mb->un.varRdConfig.max_xri >> 3);
486 if (phba->pport->cfg_lun_queue_depth > i) {
487 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
488 "3360 LUN queue depth changed from %d to %d\n",
489 phba->pport->cfg_lun_queue_depth, i);
490 phba->pport->cfg_lun_queue_depth = i;
491 }
dea3101e
JB		 492
493 phba->lmt = mb->un.varRdConfig.lmt;
74b72a59
JW		 494
495 /* Get the default values for Model Name and Description */
496 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
497
2e0fef85 498 phba->link_state = LPFC_LINK_DOWN;
dea3101e 499
0b727fea 500 /* Only process IOCBs on ELS ring till hba_state is READY */
7e56aa25 501 if (psli->ring[psli->extra_ring].sli.sli3.cmdringaddr)
a4bc3379 502 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
7e56aa25 503 if (psli->ring[psli->fcp_ring].sli.sli3.cmdringaddr)
dea3101e 504 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
7e56aa25 505 if (psli->ring[psli->next_ring].sli.sli3.cmdringaddr)
dea3101e
JB		 506 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
507
508 /* Post receive buffers for desired rings */
ed957684
JS		 509 if (phba->sli_rev != 3)
510 lpfc_post_rcv_buf(phba);
dea3101e 511
9399627f
JS		 512 /*
513 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
514 */
515 if (phba->intr_type == MSIX) {
516 rc = lpfc_config_msi(phba, pmb);
517 if (rc) {
518 mempool_free(pmb, phba->mbox_mem_pool);
519 return -EIO;
520 }
521 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
522 if (rc != MBX_SUCCESS) {
523 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
524 "0352 Config MSI mailbox command "
525 "failed, mbxCmd x%x, mbxStatus x%x\n",
04c68496
JS		 526 pmb->u.mb.mbxCommand,
527 pmb->u.mb.mbxStatus);
9399627f
JS		 528 mempool_free(pmb, phba->mbox_mem_pool);
529 return -EIO;
530 }
531 }
532
04c68496 533 spin_lock_irq(&phba->hbalock);
9399627f
JS		 534 /* Initialize ERATT handling flag */
535 phba->hba_flag &= ~HBA_ERATT_HANDLED;
536
dea3101e 537 /* Enable appropriate host interrupts */
9940b97b
JS		 538 if (lpfc_readl(phba->HCregaddr, &status)) {
539 spin_unlock_irq(&phba->hbalock);
540 return -EIO;
541 }
dea3101e
JB		 542 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
543 if (psli->num_rings > 0)
544 status |= HC_R0INT_ENA;
545 if (psli->num_rings > 1)
546 status |= HC_R1INT_ENA;
547 if (psli->num_rings > 2)
548 status |= HC_R2INT_ENA;
549 if (psli->num_rings > 3)
550 status |= HC_R3INT_ENA;
551
875fbdfe
JSEC		 552 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
553 (phba->cfg_poll & DISABLE_FCP_RING_INT))
9399627f 554 status &= ~(HC_R0INT_ENA);
875fbdfe 555
dea3101e
JB		 556 writel(status, phba->HCregaddr);
557 readl(phba->HCregaddr); /* flush */
2e0fef85 558 spin_unlock_irq(&phba->hbalock);
dea3101e 559
9399627f
JS		 560 /* Set up ring-0 (ELS) timer */
561 timeout = phba->fc_ratov * 2;
256ec0d0
JS		 562 mod_timer(&vport->els_tmofunc,
563 jiffies + msecs_to_jiffies(1000 * timeout));
9399627f 564 /* Set up heart beat (HB) timer */
256ec0d0
JS		 565 mod_timer(&phba->hb_tmofunc,
566 jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
858c9f6c
JS		 567 phba->hb_outstanding = 0;
568 phba->last_completion_time = jiffies;
9399627f 569 /* Set up error attention (ERATT) polling timer */
256ec0d0
JS		 570 mod_timer(&phba->eratt_poll,
571 jiffies + msecs_to_jiffies(1000 * LPFC_ERATT_POLL_INTERVAL));
dea3101e 572
a0c87cbd
JS		 573 if (phba->hba_flag & LINK_DISABLED) {
574 lpfc_printf_log(phba,
575 KERN_ERR, LOG_INIT,
576 "2598 Adapter Link is disabled.\n");
577 lpfc_down_link(phba, pmb);
578 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
579 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
580 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
581 lpfc_printf_log(phba,
582 KERN_ERR, LOG_INIT,
583 "2599 Adapter failed to issue DOWN_LINK"
584 " mbox command rc 0x%x\n", rc);
585
586 mempool_free(pmb, phba->mbox_mem_pool);
587 return -EIO;
588 }
e40a02c1 589 } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) {
026abb87
JS		 590 mempool_free(pmb, phba->mbox_mem_pool);
591 rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
592 if (rc)
593 return rc;
dea3101e
JB		 594 }
595 /* MBOX buffer will be freed in mbox compl */
57127f15 596 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
9f1177a3
JS		 597 if (!pmb) {
598 phba->link_state = LPFC_HBA_ERROR;
599 return -ENOMEM;
600 }
601
57127f15
JS		 602 lpfc_config_async(phba, pmb, LPFC_ELS_RING);
603 pmb->mbox_cmpl = lpfc_config_async_cmpl;
604 pmb->vport = phba->pport;
605 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
dea3101e 606
57127f15
JS		 607 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
608 lpfc_printf_log(phba,
609 KERN_ERR,
610 LOG_INIT,
611 "0456 Adapter failed to issue "
e4e74273 612 "ASYNCEVT_ENABLE mbox status x%x\n",
57127f15
JS		 613 rc);
614 mempool_free(pmb, phba->mbox_mem_pool);
615 }
97207482
JS		 616
617 /* Get Option rom version */
618 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
9f1177a3
JS		 619 if (!pmb) {
620 phba->link_state = LPFC_HBA_ERROR;
621 return -ENOMEM;
622 }
623
97207482
JS		 624 lpfc_dump_wakeup_param(phba, pmb);
625 pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl;
626 pmb->vport = phba->pport;
627 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
628
629 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
630 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed "
e4e74273 631 "to get Option ROM version status x%x\n", rc);
97207482
JS		 632 mempool_free(pmb, phba->mbox_mem_pool);
633 }
634
d7c255b2 635 return 0;
ce8b3ce5
JS		 636}
637
84d1b006
JS		 638/**
639 * lpfc_hba_init_link - Initialize the FC link
640 * @phba: pointer to lpfc hba data structure.
6e7288d9 641 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
84d1b006
JS		 642 *
643 * This routine will issue the INIT_LINK mailbox command call.
644 * It is available to other drivers through the lpfc_hba data
645 * structure for use as a delayed link up mechanism with the
646 * module parameter lpfc_suppress_link_up.
647 *
648 * Return code
649 * 0 - success
650 * Any other value - error
651 **/
e399b228 652static int
6e7288d9 653lpfc_hba_init_link(struct lpfc_hba *phba, uint32_t flag)
1b51197d
JS		 654{
655 return lpfc_hba_init_link_fc_topology(phba, phba->cfg_topology, flag);
656}
657
658/**
659 * lpfc_hba_init_link_fc_topology - Initialize FC link with desired topology
660 * @phba: pointer to lpfc hba data structure.
661 * @fc_topology: desired fc topology.
662 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
663 *
664 * This routine will issue the INIT_LINK mailbox command call.
665 * It is available to other drivers through the lpfc_hba data
666 * structure for use as a delayed link up mechanism with the
667 * module parameter lpfc_suppress_link_up.
668 *
669 * Return code
670 * 0 - success
671 * Any other value - error
672 **/
673int
674lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology,
675 uint32_t flag)
84d1b006
JS		 676{
677 struct lpfc_vport *vport = phba->pport;
678 LPFC_MBOXQ_t *pmb;
679 MAILBOX_t *mb;
680 int rc;
681
682 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
683 if (!pmb) {
684 phba->link_state = LPFC_HBA_ERROR;
685 return -ENOMEM;
686 }
687 mb = &pmb->u.mb;
688 pmb->vport = vport;
689
026abb87
JS		 690 if ((phba->cfg_link_speed > LPFC_USER_LINK_SPEED_MAX) ||
691 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_1G) &&
692 !(phba->lmt & LMT_1Gb)) ||
693 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_2G) &&
694 !(phba->lmt & LMT_2Gb)) ||
695 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_4G) &&
696 !(phba->lmt & LMT_4Gb)) ||
697 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_8G) &&
698 !(phba->lmt & LMT_8Gb)) ||
699 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_10G) &&
700 !(phba->lmt & LMT_10Gb)) ||
701 ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G) &&
702 !(phba->lmt & LMT_16Gb))) {
703 /* Reset link speed to auto */
704 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
705 "1302 Invalid speed for this board:%d "
706 "Reset link speed to auto.\n",
707 phba->cfg_link_speed);
708 phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO;
709 }
1b51197d 710 lpfc_init_link(phba, pmb, fc_topology, phba->cfg_link_speed);
84d1b006 711 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1b51197d
JS		 712 if (phba->sli_rev < LPFC_SLI_REV4)
713 lpfc_set_loopback_flag(phba);
6e7288d9 714 rc = lpfc_sli_issue_mbox(phba, pmb, flag);
76a95d75 715 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
84d1b006
JS		 716 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
717 "0498 Adapter failed to init, mbxCmd x%x "
718 "INIT_LINK, mbxStatus x%x\n",
719 mb->mbxCommand, mb->mbxStatus);
76a95d75
JS		 720 if (phba->sli_rev <= LPFC_SLI_REV3) {
721 /* Clear all interrupt enable conditions */
722 writel(0, phba->HCregaddr);
723 readl(phba->HCregaddr); /* flush */
724 /* Clear all pending interrupts */
725 writel(0xffffffff, phba->HAregaddr);
726 readl(phba->HAregaddr); /* flush */
727 }
84d1b006 728 phba->link_state = LPFC_HBA_ERROR;
6e7288d9 729 if (rc != MBX_BUSY || flag == MBX_POLL)
84d1b006
JS		 730 mempool_free(pmb, phba->mbox_mem_pool);
731 return -EIO;
732 }
e40a02c1 733 phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK;
6e7288d9
JS		 734 if (flag == MBX_POLL)
735 mempool_free(pmb, phba->mbox_mem_pool);
84d1b006
JS		 736
737 return 0;
738}
739
740/**
741 * lpfc_hba_down_link - this routine downs the FC link
6e7288d9
JS		 742 * @phba: pointer to lpfc hba data structure.
743 * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT
84d1b006
JS		 744 *
745 * This routine will issue the DOWN_LINK mailbox command call.
746 * It is available to other drivers through the lpfc_hba data
747 * structure for use to stop the link.
748 *
749 * Return code
750 * 0 - success
751 * Any other value - error
752 **/
e399b228 753static int
6e7288d9 754lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag)
84d1b006
JS		 755{
756 LPFC_MBOXQ_t *pmb;
757 int rc;
758
759 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
760 if (!pmb) {
761 phba->link_state = LPFC_HBA_ERROR;
762 return -ENOMEM;
763 }
764
765 lpfc_printf_log(phba,
766 KERN_ERR, LOG_INIT,
767 "0491 Adapter Link is disabled.\n");
768 lpfc_down_link(phba, pmb);
769 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
6e7288d9 770 rc = lpfc_sli_issue_mbox(phba, pmb, flag);
84d1b006
JS		 771 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
772 lpfc_printf_log(phba,
773 KERN_ERR, LOG_INIT,
774 "2522 Adapter failed to issue DOWN_LINK"
775 " mbox command rc 0x%x\n", rc);
776
777 mempool_free(pmb, phba->mbox_mem_pool);
778 return -EIO;
779 }
6e7288d9
JS		 780 if (flag == MBX_POLL)
781 mempool_free(pmb, phba->mbox_mem_pool);
782
84d1b006
JS		 783 return 0;
784}
785
e59058c4 786/**
3621a710 787 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
e59058c4
JS		 788 * @phba: pointer to lpfc HBA data structure.
789 *
790 * This routine will do LPFC uninitialization before the HBA is reset when
791 * bringing down the SLI Layer.
792 *
793 * Return codes
794 * 0 - success.
795 * Any other value - error.
796 **/
dea3101e 797int
2e0fef85 798lpfc_hba_down_prep(struct lpfc_hba *phba)
dea3101e 799{
1b32f6aa
JS		 800 struct lpfc_vport **vports;
801 int i;
3772a991
JS		 802
803 if (phba->sli_rev <= LPFC_SLI_REV3) {
804 /* Disable interrupts */
805 writel(0, phba->HCregaddr);
806 readl(phba->HCregaddr); /* flush */
807 }
dea3101e 808
1b32f6aa
JS		 809 if (phba->pport->load_flag & FC_UNLOADING)
810 lpfc_cleanup_discovery_resources(phba->pport);
811 else {
812 vports = lpfc_create_vport_work_array(phba);
813 if (vports != NULL)
3772a991
JS		 814 for (i = 0; i <= phba->max_vports &&
815 vports[i] != NULL; i++)
1b32f6aa
JS		 816 lpfc_cleanup_discovery_resources(vports[i]);
817 lpfc_destroy_vport_work_array(phba, vports);
7f5f3d0d
JS		 818 }
819 return 0;
dea3101e
JB		 820}
821
68e814f5
JS		 822/**
823 * lpfc_sli4_free_sp_events - Cleanup sp_queue_events to free
824 * rspiocb which got deferred
825 *
826 * @phba: pointer to lpfc HBA data structure.
827 *
828 * This routine will cleanup completed slow path events after HBA is reset
829 * when bringing down the SLI Layer.
830 *
831 *
832 * Return codes
833 * void.
834 **/
835static void
836lpfc_sli4_free_sp_events(struct lpfc_hba *phba)
837{
838 struct lpfc_iocbq *rspiocbq;
839 struct hbq_dmabuf *dmabuf;
840 struct lpfc_cq_event *cq_event;
841
842 spin_lock_irq(&phba->hbalock);
843 phba->hba_flag &= ~HBA_SP_QUEUE_EVT;
844 spin_unlock_irq(&phba->hbalock);
845
846 while (!list_empty(&phba->sli4_hba.sp_queue_event)) {
847 /* Get the response iocb from the head of work queue */
848 spin_lock_irq(&phba->hbalock);
849 list_remove_head(&phba->sli4_hba.sp_queue_event,
850 cq_event, struct lpfc_cq_event, list);
851 spin_unlock_irq(&phba->hbalock);
852
853 switch (bf_get(lpfc_wcqe_c_code, &cq_event->cqe.wcqe_cmpl)) {
854 case CQE_CODE_COMPL_WQE:
855 rspiocbq = container_of(cq_event, struct lpfc_iocbq,
856 cq_event);
857 lpfc_sli_release_iocbq(phba, rspiocbq);
858 break;
859 case CQE_CODE_RECEIVE:
860 case CQE_CODE_RECEIVE_V1:
861 dmabuf = container_of(cq_event, struct hbq_dmabuf,
862 cq_event);
863 lpfc_in_buf_free(phba, &dmabuf->dbuf);
864 }
865 }
866}
867
e59058c4 868/**
bcece5f5 869 * lpfc_hba_free_post_buf - Perform lpfc uninitialization after HBA reset
e59058c4
JS		 870 * @phba: pointer to lpfc HBA data structure.
871 *
bcece5f5
JS		 872 * This routine will cleanup posted ELS buffers after the HBA is reset
873 * when bringing down the SLI Layer.
874 *
e59058c4
JS		 875 *
876 * Return codes
bcece5f5 877 * void.
e59058c4 878 **/
bcece5f5
JS		 879static void
880lpfc_hba_free_post_buf(struct lpfc_hba *phba)
41415862
JW		 881{
882 struct lpfc_sli *psli = &phba->sli;
883 struct lpfc_sli_ring *pring;
884 struct lpfc_dmabuf *mp, *next_mp;
07eab624
JS		 885 LIST_HEAD(buflist);
886 int count;
41415862 887
92d7f7b0
JS		 888 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
889 lpfc_sli_hbqbuf_free_all(phba);
890 else {
891 /* Cleanup preposted buffers on the ELS ring */
892 pring = &psli->ring[LPFC_ELS_RING];
07eab624
JS		 893 spin_lock_irq(&phba->hbalock);
894 list_splice_init(&pring->postbufq, &buflist);
895 spin_unlock_irq(&phba->hbalock);
896
897 count = 0;
898 list_for_each_entry_safe(mp, next_mp, &buflist, list) {
92d7f7b0 899 list_del(&mp->list);
07eab624 900 count++;
92d7f7b0
JS		 901 lpfc_mbuf_free(phba, mp->virt, mp->phys);
902 kfree(mp);
903 }
07eab624
JS		 904
905 spin_lock_irq(&phba->hbalock);
906 pring->postbufq_cnt -= count;
bcece5f5 907 spin_unlock_irq(&phba->hbalock);
41415862 908 }
bcece5f5
JS		 909}
910
911/**
912 * lpfc_hba_clean_txcmplq - Perform lpfc uninitialization after HBA reset
913 * @phba: pointer to lpfc HBA data structure.
914 *
915 * This routine will cleanup the txcmplq after the HBA is reset when bringing
916 * down the SLI Layer.
917 *
918 * Return codes
919 * void
920 **/
921static void
922lpfc_hba_clean_txcmplq(struct lpfc_hba *phba)
923{
924 struct lpfc_sli *psli = &phba->sli;
925 struct lpfc_sli_ring *pring;
926 LIST_HEAD(completions);
927 int i;
928
41415862
JW		 929 for (i = 0; i < psli->num_rings; i++) {
930 pring = &psli->ring[i];
bcece5f5
JS		 931 if (phba->sli_rev >= LPFC_SLI_REV4)
932 spin_lock_irq(&pring->ring_lock);
933 else
934 spin_lock_irq(&phba->hbalock);
09372820
JS		 935 /* At this point in time the HBA is either reset or DOA. Either
936 * way, nothing should be on txcmplq as it will NEVER complete.
937 */
938 list_splice_init(&pring->txcmplq, &completions);
db55fba8 939 pring->txcmplq_cnt = 0;
bcece5f5
JS		 940
941 if (phba->sli_rev >= LPFC_SLI_REV4)
942 spin_unlock_irq(&pring->ring_lock);
943 else
944 spin_unlock_irq(&phba->hbalock);
09372820 945
a257bf90
JS		 946 /* Cancel all the IOCBs from the completions list */
947 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
948 IOERR_SLI_ABORTED);
41415862
JW		 949 lpfc_sli_abort_iocb_ring(phba, pring);
950 }
bcece5f5 951}
41415862 952
bcece5f5
JS		 953/**
954 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
955 int i;
956 * @phba: pointer to lpfc HBA data structure.
957 *
958 * This routine will do uninitialization after the HBA is reset when bring
959 * down the SLI Layer.
960 *
961 * Return codes
962 * 0 - success.
963 * Any other value - error.
964 **/
965static int
966lpfc_hba_down_post_s3(struct lpfc_hba *phba)
967{
968 lpfc_hba_free_post_buf(phba);
969 lpfc_hba_clean_txcmplq(phba);
41415862
JW		 970 return 0;
971}
5af5eee7 972
da0436e9
JS		 973/**
974 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
975 * @phba: pointer to lpfc HBA data structure.
976 *
977 * This routine will do uninitialization after the HBA is reset when bring
978 * down the SLI Layer.
979 *
980 * Return codes
af901ca1 981 * 0 - success.
da0436e9
JS		 982 * Any other value - error.
983 **/
984static int
985lpfc_hba_down_post_s4(struct lpfc_hba *phba)
986{
987 struct lpfc_scsi_buf *psb, *psb_next;
988 LIST_HEAD(aborts);
da0436e9 989 unsigned long iflag = 0;
0f65ff68
JS		 990 struct lpfc_sglq *sglq_entry = NULL;
991
bcece5f5
JS		 992 lpfc_hba_free_post_buf(phba);
993 lpfc_hba_clean_txcmplq(phba);
994
da0436e9
JS		 995 /* At this point in time the HBA is either reset or DOA. Either
996 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
997 * on the lpfc_sgl_list so that it can either be freed if the
998 * driver is unloading or reposted if the driver is restarting
999 * the port.
1000 */
1001 spin_lock_irq(&phba->hbalock); /* required for lpfc_sgl_list and */
1002 /* scsl_buf_list */
1003 /* abts_sgl_list_lock required because worker thread uses this
1004 * list.
1005 */
1006 spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
0f65ff68
JS		 1007 list_for_each_entry(sglq_entry,
1008 &phba->sli4_hba.lpfc_abts_els_sgl_list, list)
1009 sglq_entry->state = SGL_FREED;
1010
da0436e9
JS		 1011 list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list,
1012 &phba->sli4_hba.lpfc_sgl_list);
1013 spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
1014 /* abts_scsi_buf_list_lock required because worker thread uses this
1015 * list.
1016 */
1017 spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
1018 list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list,
1019 &aborts);
1020 spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
1021 spin_unlock_irq(&phba->hbalock);
1022
1023 list_for_each_entry_safe(psb, psb_next, &aborts, list) {
1024 psb->pCmd = NULL;
1025 psb->status = IOSTAT_SUCCESS;
1026 }
a40fc5f0
JS		 1027 spin_lock_irqsave(&phba->scsi_buf_list_put_lock, iflag);
1028 list_splice(&aborts, &phba->lpfc_scsi_buf_list_put);
1029 spin_unlock_irqrestore(&phba->scsi_buf_list_put_lock, iflag);
68e814f5
JS		 1030
1031 lpfc_sli4_free_sp_events(phba);
da0436e9
JS		 1032 return 0;
1033}
1034
1035/**
1036 * lpfc_hba_down_post - Wrapper func for hba down post routine
1037 * @phba: pointer to lpfc HBA data structure.
1038 *
1039 * This routine wraps the actual SLI3 or SLI4 routine for performing
1040 * uninitialization after the HBA is reset when bring down the SLI Layer.
1041 *
1042 * Return codes
af901ca1 1043 * 0 - success.
da0436e9
JS		 1044 * Any other value - error.
1045 **/
1046int
1047lpfc_hba_down_post(struct lpfc_hba *phba)
1048{
1049 return (*phba->lpfc_hba_down_post)(phba);
1050}
41415862 1051
e59058c4 1052/**
3621a710 1053 * lpfc_hb_timeout - The HBA-timer timeout handler
e59058c4
JS		 1054 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
1055 *
1056 * This is the HBA-timer timeout handler registered to the lpfc driver. When
1057 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
1058 * work-port-events bitmap and the worker thread is notified. This timeout
1059 * event will be used by the worker thread to invoke the actual timeout
1060 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
1061 * be performed in the timeout handler and the HBA timeout event bit shall
1062 * be cleared by the worker thread after it has taken the event bitmap out.
1063 **/
a6ababd2 1064static void
858c9f6c
JS		 1065lpfc_hb_timeout(unsigned long ptr)
1066{
1067 struct lpfc_hba *phba;
5e9d9b82 1068 uint32_t tmo_posted;
858c9f6c
JS		 1069 unsigned long iflag;
1070
1071 phba = (struct lpfc_hba *)ptr;
9399627f
JS		 1072
1073 /* Check for heart beat timeout conditions */
858c9f6c 1074 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
5e9d9b82
JS		 1075 tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO;
1076 if (!tmo_posted)
858c9f6c
JS		 1077 phba->pport->work_port_events |= WORKER_HB_TMO;
1078 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
1079
9399627f 1080 /* Tell the worker thread there is work to do */
5e9d9b82
JS		 1081 if (!tmo_posted)
1082 lpfc_worker_wake_up(phba);
858c9f6c
JS		 1083 return;
1084}
1085
19ca7609
JS		 1086/**
1087 * lpfc_rrq_timeout - The RRQ-timer timeout handler
1088 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
1089 *
1090 * This is the RRQ-timer timeout handler registered to the lpfc driver. When
1091 * this timer fires, a RRQ timeout event shall be posted to the lpfc driver
1092 * work-port-events bitmap and the worker thread is notified. This timeout
1093 * event will be used by the worker thread to invoke the actual timeout
1094 * handler routine, lpfc_rrq_handler. Any periodical operations will
1095 * be performed in the timeout handler and the RRQ timeout event bit shall
1096 * be cleared by the worker thread after it has taken the event bitmap out.
1097 **/
1098static void
1099lpfc_rrq_timeout(unsigned long ptr)
1100{
1101 struct lpfc_hba *phba;
19ca7609
JS		 1102 unsigned long iflag;
1103
1104 phba = (struct lpfc_hba *)ptr;
1105 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
06918ac5
JS		 1106 if (!(phba->pport->load_flag & FC_UNLOADING))
1107 phba->hba_flag |= HBA_RRQ_ACTIVE;
1108 else
1109 phba->hba_flag &= ~HBA_RRQ_ACTIVE;
19ca7609 1110 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
06918ac5
JS		 1111
1112 if (!(phba->pport->load_flag & FC_UNLOADING))
1113 lpfc_worker_wake_up(phba);
19ca7609
JS		 1114}
1115
e59058c4 1116/**
3621a710 1117 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
e59058c4
JS		 1118 * @phba: pointer to lpfc hba data structure.
1119 * @pmboxq: pointer to the driver internal queue element for mailbox command.
1120 *
1121 * This is the callback function to the lpfc heart-beat mailbox command.
1122 * If configured, the lpfc driver issues the heart-beat mailbox command to
1123 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
1124 * heart-beat mailbox command is issued, the driver shall set up heart-beat
1125 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
1126 * heart-beat outstanding state. Once the mailbox command comes back and
1127 * no error conditions detected, the heart-beat mailbox command timer is
1128 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
1129 * state is cleared for the next heart-beat. If the timer expired with the
1130 * heart-beat outstanding state set, the driver will put the HBA offline.
1131 **/
858c9f6c
JS		 1132static void
1133lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
1134{
1135 unsigned long drvr_flag;
1136
1137 spin_lock_irqsave(&phba->hbalock, drvr_flag);
1138 phba->hb_outstanding = 0;
1139 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
1140
9399627f 1141 /* Check and reset heart-beat timer is necessary */
858c9f6c
JS		 1142 mempool_free(pmboxq, phba->mbox_mem_pool);
1143 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
1144 !(phba->link_state == LPFC_HBA_ERROR) &&
51ef4c26 1145 !(phba->pport->load_flag & FC_UNLOADING))
858c9f6c 1146 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1147 jiffies +
1148 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
858c9f6c
JS		 1149 return;
1150}
1151
e59058c4 1152/**
3621a710 1153 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
e59058c4
JS		 1154 * @phba: pointer to lpfc hba data structure.
1155 *
1156 * This is the actual HBA-timer timeout handler to be invoked by the worker
1157 * thread whenever the HBA timer fired and HBA-timeout event posted. This
1158 * handler performs any periodic operations needed for the device. If such
1159 * periodic event has already been attended to either in the interrupt handler
1160 * or by processing slow-ring or fast-ring events within the HBA-timer
1161 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
1162 * the timer for the next timeout period. If lpfc heart-beat mailbox command
1163 * is configured and there is no heart-beat mailbox command outstanding, a
1164 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
1165 * has been a heart-beat mailbox command outstanding, the HBA shall be put
1166 * to offline.
1167 **/
858c9f6c
JS		 1168void
1169lpfc_hb_timeout_handler(struct lpfc_hba *phba)
1170{
45ed1190 1171 struct lpfc_vport **vports;
858c9f6c 1172 LPFC_MBOXQ_t *pmboxq;
0ff10d46 1173 struct lpfc_dmabuf *buf_ptr;
45ed1190 1174 int retval, i;
858c9f6c 1175 struct lpfc_sli *psli = &phba->sli;
0ff10d46 1176 LIST_HEAD(completions);
858c9f6c 1177
45ed1190
JS		 1178 vports = lpfc_create_vport_work_array(phba);
1179 if (vports != NULL)
1180 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
1181 lpfc_rcv_seq_check_edtov(vports[i]);
1182 lpfc_destroy_vport_work_array(phba, vports);
1183
858c9f6c 1184 if ((phba->link_state == LPFC_HBA_ERROR) ||
51ef4c26 1185 (phba->pport->load_flag & FC_UNLOADING) ||
858c9f6c
JS		 1186 (phba->pport->fc_flag & FC_OFFLINE_MODE))
1187 return;
1188
1189 spin_lock_irq(&phba->pport->work_port_lock);
858c9f6c 1190
256ec0d0
JS		 1191 if (time_after(phba->last_completion_time +
1192 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL),
1193 jiffies)) {
858c9f6c
JS		 1194 spin_unlock_irq(&phba->pport->work_port_lock);
1195 if (!phba->hb_outstanding)
1196 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1197 jiffies +
1198 msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
858c9f6c
JS		 1199 else
1200 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1201 jiffies +
1202 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
858c9f6c
JS		 1203 return;
1204 }
1205 spin_unlock_irq(&phba->pport->work_port_lock);
1206
0ff10d46
JS		 1207 if (phba->elsbuf_cnt &&
1208 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
1209 spin_lock_irq(&phba->hbalock);
1210 list_splice_init(&phba->elsbuf, &completions);
1211 phba->elsbuf_cnt = 0;
1212 phba->elsbuf_prev_cnt = 0;
1213 spin_unlock_irq(&phba->hbalock);
1214
1215 while (!list_empty(&completions)) {
1216 list_remove_head(&completions, buf_ptr,
1217 struct lpfc_dmabuf, list);
1218 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
1219 kfree(buf_ptr);
1220 }
1221 }
1222 phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
1223
858c9f6c 1224 /* If there is no heart beat outstanding, issue a heartbeat command */
13815c83
JS		 1225 if (phba->cfg_enable_hba_heartbeat) {
1226 if (!phba->hb_outstanding) {
bc73905a
JS		 1227 if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) &&
1228 (list_empty(&psli->mboxq))) {
1229 pmboxq = mempool_alloc(phba->mbox_mem_pool,
1230 GFP_KERNEL);
1231 if (!pmboxq) {
1232 mod_timer(&phba->hb_tmofunc,
1233 jiffies +
256ec0d0
JS		 1234 msecs_to_jiffies(1000 *
1235 LPFC_HB_MBOX_INTERVAL));
bc73905a
JS		 1236 return;
1237 }
1238
1239 lpfc_heart_beat(phba, pmboxq);
1240 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
1241 pmboxq->vport = phba->pport;
1242 retval = lpfc_sli_issue_mbox(phba, pmboxq,
1243 MBX_NOWAIT);
1244
1245 if (retval != MBX_BUSY &&
1246 retval != MBX_SUCCESS) {
1247 mempool_free(pmboxq,
1248 phba->mbox_mem_pool);
1249 mod_timer(&phba->hb_tmofunc,
1250 jiffies +
256ec0d0
JS		 1251 msecs_to_jiffies(1000 *
1252 LPFC_HB_MBOX_INTERVAL));
bc73905a
JS		 1253 return;
1254 }
1255 phba->skipped_hb = 0;
1256 phba->hb_outstanding = 1;
1257 } else if (time_before_eq(phba->last_completion_time,
1258 phba->skipped_hb)) {
1259 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1260 "2857 Last completion time not "
1261 " updated in %d ms\n",
1262 jiffies_to_msecs(jiffies
1263 - phba->last_completion_time));
1264 } else
1265 phba->skipped_hb = jiffies;
1266
858c9f6c 1267 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1268 jiffies +
1269 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
858c9f6c 1270 return;
13815c83
JS		 1271 } else {
1272 /*
1273 * If heart beat timeout called with hb_outstanding set
dcf2a4e0
JS		 1274 * we need to give the hb mailbox cmd a chance to
1275 * complete or TMO.
13815c83 1276 */
dcf2a4e0
JS		 1277 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1278 "0459 Adapter heartbeat still out"
1279 "standing:last compl time was %d ms.\n",
1280 jiffies_to_msecs(jiffies
1281 - phba->last_completion_time));
1282 mod_timer(&phba->hb_tmofunc,
256ec0d0
JS		 1283 jiffies +
1284 msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT));
858c9f6c 1285 }
858c9f6c
JS		 1286 }
1287}
1288
e59058c4 1289/**
3621a710 1290 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
e59058c4
JS		 1291 * @phba: pointer to lpfc hba data structure.
1292 *
1293 * This routine is called to bring the HBA offline when HBA hardware error
1294 * other than Port Error 6 has been detected.
1295 **/
09372820
JS		 1296static void
1297lpfc_offline_eratt(struct lpfc_hba *phba)
1298{
1299 struct lpfc_sli *psli = &phba->sli;
1300
1301 spin_lock_irq(&phba->hbalock);
f4b4c68f 1302 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
09372820 1303 spin_unlock_irq(&phba->hbalock);
618a5230 1304 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
09372820
JS		 1305
1306 lpfc_offline(phba);
1307 lpfc_reset_barrier(phba);
f4b4c68f 1308 spin_lock_irq(&phba->hbalock);
09372820 1309 lpfc_sli_brdreset(phba);
f4b4c68f 1310 spin_unlock_irq(&phba->hbalock);
09372820
JS		 1311 lpfc_hba_down_post(phba);
1312 lpfc_sli_brdready(phba, HS_MBRDY);
1313 lpfc_unblock_mgmt_io(phba);
1314 phba->link_state = LPFC_HBA_ERROR;
1315 return;
1316}
1317
da0436e9
JS		 1318/**
1319 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
1320 * @phba: pointer to lpfc hba data structure.
1321 *
1322 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
1323 * other than Port Error 6 has been detected.
1324 **/
a88dbb6a 1325void
da0436e9
JS		 1326lpfc_sli4_offline_eratt(struct lpfc_hba *phba)
1327{
618a5230 1328 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
da0436e9
JS		 1329 lpfc_offline(phba);
1330 lpfc_sli4_brdreset(phba);
1331 lpfc_hba_down_post(phba);
1332 lpfc_sli4_post_status_check(phba);
1333 lpfc_unblock_mgmt_io(phba);
1334 phba->link_state = LPFC_HBA_ERROR;
1335}
1336
a257bf90
JS		 1337/**
1338 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
1339 * @phba: pointer to lpfc hba data structure.
1340 *
1341 * This routine is invoked to handle the deferred HBA hardware error
1342 * conditions. This type of error is indicated by HBA by setting ER1
1343 * and another ER bit in the host status register. The driver will
1344 * wait until the ER1 bit clears before handling the error condition.
1345 **/
1346static void
1347lpfc_handle_deferred_eratt(struct lpfc_hba *phba)
1348{
1349 uint32_t old_host_status = phba->work_hs;
a257bf90
JS		 1350 struct lpfc_sli *psli = &phba->sli;
1351
f4b4c68f
JS		 1352 /* If the pci channel is offline, ignore possible errors,
1353 * since we cannot communicate with the pci card anyway.
1354 */
1355 if (pci_channel_offline(phba->pcidev)) {
1356 spin_lock_irq(&phba->hbalock);
1357 phba->hba_flag &= ~DEFER_ERATT;
1358 spin_unlock_irq(&phba->hbalock);
1359 return;
1360 }
1361
a257bf90
JS		 1362 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1363 "0479 Deferred Adapter Hardware Error "
1364 "Data: x%x x%x x%x\n",
1365 phba->work_hs,
1366 phba->work_status[0], phba->work_status[1]);
1367
1368 spin_lock_irq(&phba->hbalock);
f4b4c68f 1369 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
a257bf90
JS		 1370 spin_unlock_irq(&phba->hbalock);
1371
1372
1373 /*
1374 * Firmware stops when it triggred erratt. That could cause the I/Os
1375 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1376 * SCSI layer retry it after re-establishing link.
1377 */
db55fba8 1378 lpfc_sli_abort_fcp_rings(phba);
a257bf90
JS		 1379
1380 /*
1381 * There was a firmware error. Take the hba offline and then
1382 * attempt to restart it.
1383 */
618a5230 1384 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
a257bf90
JS		 1385 lpfc_offline(phba);
1386
1387 /* Wait for the ER1 bit to clear.*/
1388 while (phba->work_hs & HS_FFER1) {
1389 msleep(100);
9940b97b
JS		 1390 if (lpfc_readl(phba->HSregaddr, &phba->work_hs)) {
1391 phba->work_hs = UNPLUG_ERR ;
1392 break;
1393 }
a257bf90
JS		 1394 /* If driver is unloading let the worker thread continue */
1395 if (phba->pport->load_flag & FC_UNLOADING) {
1396 phba->work_hs = 0;
1397 break;
1398 }
1399 }
1400
1401 /*
1402 * This is to ptrotect against a race condition in which
1403 * first write to the host attention register clear the
1404 * host status register.
1405 */
1406 if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING)))
1407 phba->work_hs = old_host_status & ~HS_FFER1;
1408
3772a991 1409 spin_lock_irq(&phba->hbalock);
a257bf90 1410 phba->hba_flag &= ~DEFER_ERATT;
3772a991 1411 spin_unlock_irq(&phba->hbalock);
a257bf90
JS		 1412 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
1413 phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
1414}
1415
3772a991
JS		 1416static void
1417lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba)
1418{
1419 struct lpfc_board_event_header board_event;
1420 struct Scsi_Host *shost;
1421
1422 board_event.event_type = FC_REG_BOARD_EVENT;
1423 board_event.subcategory = LPFC_EVENT_PORTINTERR;
1424 shost = lpfc_shost_from_vport(phba->pport);
1425 fc_host_post_vendor_event(shost, fc_get_event_number(),
1426 sizeof(board_event),
1427 (char *) &board_event,
1428 LPFC_NL_VENDOR_ID);
1429}
1430
e59058c4 1431/**
3772a991 1432 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
e59058c4
JS		 1433 * @phba: pointer to lpfc hba data structure.
1434 *
1435 * This routine is invoked to handle the following HBA hardware error
1436 * conditions:
1437 * 1 - HBA error attention interrupt
1438 * 2 - DMA ring index out of range
1439 * 3 - Mailbox command came back as unknown
1440 **/
3772a991
JS		 1441static void
1442lpfc_handle_eratt_s3(struct lpfc_hba *phba)
dea3101e 1443{
2e0fef85 1444 struct lpfc_vport *vport = phba->pport;
2e0fef85 1445 struct lpfc_sli *psli = &phba->sli;
d2873e4c 1446 uint32_t event_data;
57127f15
JS		 1447 unsigned long temperature;
1448 struct temp_event temp_event_data;
92d7f7b0 1449 struct Scsi_Host *shost;
2e0fef85 1450
8d63f375 1451 /* If the pci channel is offline, ignore possible errors,
3772a991
JS		 1452 * since we cannot communicate with the pci card anyway.
1453 */
1454 if (pci_channel_offline(phba->pcidev)) {
1455 spin_lock_irq(&phba->hbalock);
1456 phba->hba_flag &= ~DEFER_ERATT;
1457 spin_unlock_irq(&phba->hbalock);
8d63f375 1458 return;
3772a991
JS		 1459 }
1460
13815c83
JS		 1461 /* If resets are disabled then leave the HBA alone and return */
1462 if (!phba->cfg_enable_hba_reset)
1463 return;
dea3101e 1464
ea2151b4 1465 /* Send an internal error event to mgmt application */
3772a991 1466 lpfc_board_errevt_to_mgmt(phba);
ea2151b4 1467
a257bf90
JS		 1468 if (phba->hba_flag & DEFER_ERATT)
1469 lpfc_handle_deferred_eratt(phba);
1470
dcf2a4e0
JS		 1471 if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) {
1472 if (phba->work_hs & HS_FFER6)
1473 /* Re-establishing Link */
1474 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1475 "1301 Re-establishing Link "
1476 "Data: x%x x%x x%x\n",
1477 phba->work_hs, phba->work_status[0],
1478 phba->work_status[1]);
1479 if (phba->work_hs & HS_FFER8)
1480 /* Device Zeroization */
1481 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1482 "2861 Host Authentication device "
1483 "zeroization Data:x%x x%x x%x\n",
1484 phba->work_hs, phba->work_status[0],
1485 phba->work_status[1]);
58da1ffb 1486
92d7f7b0 1487 spin_lock_irq(&phba->hbalock);
f4b4c68f 1488 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
92d7f7b0 1489 spin_unlock_irq(&phba->hbalock);
dea3101e
JB		 1490
1491 /*
1492 * Firmware stops when it triggled erratt with HS_FFER6.
1493 * That could cause the I/Os dropped by the firmware.
1494 * Error iocb (I/O) on txcmplq and let the SCSI layer
1495 * retry it after re-establishing link.
1496 */
db55fba8 1497 lpfc_sli_abort_fcp_rings(phba);
dea3101e 1498
dea3101e
JB		 1499 /*
1500 * There was a firmware error. Take the hba offline and then
1501 * attempt to restart it.
1502 */
618a5230 1503 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
dea3101e 1504 lpfc_offline(phba);
41415862 1505 lpfc_sli_brdrestart(phba);
dea3101e 1506 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
46fa311e 1507 lpfc_unblock_mgmt_io(phba);
dea3101e
JB		 1508 return;
1509 }
46fa311e 1510 lpfc_unblock_mgmt_io(phba);
57127f15
JS		 1511 } else if (phba->work_hs & HS_CRIT_TEMP) {
1512 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
1513 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
1514 temp_event_data.event_code = LPFC_CRIT_TEMP;
1515 temp_event_data.data = (uint32_t)temperature;
1516
1517 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
d7c255b2 1518 "0406 Adapter maximum temperature exceeded "
57127f15
JS		 1519 "(%ld), taking this port offline "
1520 "Data: x%x x%x x%x\n",
1521 temperature, phba->work_hs,
1522 phba->work_status[0], phba->work_status[1]);
1523
1524 shost = lpfc_shost_from_vport(phba->pport);
1525 fc_host_post_vendor_event(shost, fc_get_event_number(),
1526 sizeof(temp_event_data),
1527 (char *) &temp_event_data,
1528 SCSI_NL_VID_TYPE_PCI
1529 | PCI_VENDOR_ID_EMULEX);
1530
7af67051 1531 spin_lock_irq(&phba->hbalock);
7af67051
JS		 1532 phba->over_temp_state = HBA_OVER_TEMP;
1533 spin_unlock_irq(&phba->hbalock);
09372820 1534 lpfc_offline_eratt(phba);
57127f15 1535
dea3101e
JB		 1536 } else {
1537 /* The if clause above forces this code path when the status
9399627f
JS		 1538 * failure is a value other than FFER6. Do not call the offline
1539 * twice. This is the adapter hardware error path.
dea3101e
JB		 1540 */
1541 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e8b62011 1542 "0457 Adapter Hardware Error "
dea3101e 1543 "Data: x%x x%x x%x\n",
e8b62011 1544 phba->work_hs,
dea3101e
JB		 1545 phba->work_status[0], phba->work_status[1]);
1546
d2873e4c 1547 event_data = FC_REG_DUMP_EVENT;
92d7f7b0 1548 shost = lpfc_shost_from_vport(vport);
2e0fef85 1549 fc_host_post_vendor_event(shost, fc_get_event_number(),
d2873e4c
JS		 1550 sizeof(event_data), (char *) &event_data,
1551 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
1552
09372820 1553 lpfc_offline_eratt(phba);
dea3101e 1554 }
9399627f 1555 return;
dea3101e
JB		 1556}
1557
618a5230
JS		 1558/**
1559 * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg
1560 * @phba: pointer to lpfc hba data structure.
1561 * @mbx_action: flag for mailbox shutdown action.
1562 *
1563 * This routine is invoked to perform an SLI4 port PCI function reset in
1564 * response to port status register polling attention. It waits for port
1565 * status register (ERR, RDY, RN) bits before proceeding with function reset.
1566 * During this process, interrupt vectors are freed and later requested
1567 * for handling possible port resource change.
1568 **/
1569static int
e10b2022
JS		 1570lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action,
1571 bool en_rn_msg)
618a5230
JS		 1572{
1573 int rc;
1574 uint32_t intr_mode;
1575
1576 /*
1577 * On error status condition, driver need to wait for port
1578 * ready before performing reset.
1579 */
1580 rc = lpfc_sli4_pdev_status_reg_wait(phba);
1581 if (!rc) {
1582 /* need reset: attempt for port recovery */
e10b2022
JS		 1583 if (en_rn_msg)
1584 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1585 "2887 Reset Needed: Attempting Port "
1586 "Recovery...\n");
618a5230
JS		 1587 lpfc_offline_prep(phba, mbx_action);
1588 lpfc_offline(phba);
1589 /* release interrupt for possible resource change */
1590 lpfc_sli4_disable_intr(phba);
1591 lpfc_sli_brdrestart(phba);
1592 /* request and enable interrupt */
1593 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
1594 if (intr_mode == LPFC_INTR_ERROR) {
1595 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1596 "3175 Failed to enable interrupt\n");
1597 return -EIO;
1598 } else {
1599 phba->intr_mode = intr_mode;
1600 }
1601 rc = lpfc_online(phba);
1602 if (rc == 0)
1603 lpfc_unblock_mgmt_io(phba);
1604 }
1605 return rc;
1606}
1607
da0436e9
JS		 1608/**
1609 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1610 * @phba: pointer to lpfc hba data structure.
1611 *
1612 * This routine is invoked to handle the SLI4 HBA hardware error attention
1613 * conditions.
1614 **/
1615static void
1616lpfc_handle_eratt_s4(struct lpfc_hba *phba)
1617{
1618 struct lpfc_vport *vport = phba->pport;
1619 uint32_t event_data;
1620 struct Scsi_Host *shost;
2fcee4bf 1621 uint32_t if_type;
2e90f4b5
JS		 1622 struct lpfc_register portstat_reg = {0};
1623 uint32_t reg_err1, reg_err2;
1624 uint32_t uerrlo_reg, uemasklo_reg;
1625 uint32_t pci_rd_rc1, pci_rd_rc2;
e10b2022 1626 bool en_rn_msg = true;
73d91e50 1627 int rc;
da0436e9
JS		 1628
1629 /* If the pci channel is offline, ignore possible errors, since
1630 * we cannot communicate with the pci card anyway.
1631 */
1632 if (pci_channel_offline(phba->pcidev))
1633 return;
1634 /* If resets are disabled then leave the HBA alone and return */
1635 if (!phba->cfg_enable_hba_reset)
1636 return;
1637
2fcee4bf
JS		 1638 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
1639 switch (if_type) {
1640 case LPFC_SLI_INTF_IF_TYPE_0:
2e90f4b5
JS		 1641 pci_rd_rc1 = lpfc_readl(
1642 phba->sli4_hba.u.if_type0.UERRLOregaddr,
1643 &uerrlo_reg);
1644 pci_rd_rc2 = lpfc_readl(
1645 phba->sli4_hba.u.if_type0.UEMASKLOregaddr,
1646 &uemasklo_reg);
1647 /* consider PCI bus read error as pci_channel_offline */
1648 if (pci_rd_rc1 == -EIO && pci_rd_rc2 == -EIO)
1649 return;
2fcee4bf
JS		 1650 lpfc_sli4_offline_eratt(phba);
1651 break;
1652 case LPFC_SLI_INTF_IF_TYPE_2:
2e90f4b5
JS		 1653 pci_rd_rc1 = lpfc_readl(
1654 phba->sli4_hba.u.if_type2.STATUSregaddr,
1655 &portstat_reg.word0);
1656 /* consider PCI bus read error as pci_channel_offline */
6b5151fd
JS		 1657 if (pci_rd_rc1 == -EIO) {
1658 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1659 "3151 PCI bus read access failure: x%x\n",
1660 readl(phba->sli4_hba.u.if_type2.STATUSregaddr));
2e90f4b5 1661 return;
6b5151fd 1662 }
2e90f4b5
JS		 1663 reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr);
1664 reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr);
2fcee4bf
JS		 1665 if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) {
1666 /* TODO: Register for Overtemp async events. */
1667 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1668 "2889 Port Overtemperature event, "
026abb87 1669 "taking port offline\n");
2fcee4bf
JS		 1670 spin_lock_irq(&phba->hbalock);
1671 phba->over_temp_state = HBA_OVER_TEMP;
1672 spin_unlock_irq(&phba->hbalock);
1673 lpfc_sli4_offline_eratt(phba);
2e90f4b5 1674 break;
2fcee4bf 1675 }
2e90f4b5 1676 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
e10b2022 1677 reg_err2 == SLIPORT_ERR2_REG_FW_RESTART) {
2e90f4b5 1678 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
e10b2022
JS		 1679 "3143 Port Down: Firmware Update "
1680 "Detected\n");
1681 en_rn_msg = false;
1682 } else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
2e90f4b5
JS		 1683 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
1684 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1685 "3144 Port Down: Debug Dump\n");
1686 else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1687 reg_err2 == SLIPORT_ERR2_REG_FUNC_PROVISON)
1688 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1689 "3145 Port Down: Provisioning\n");
618a5230
JS		 1690
1691 /* Check port status register for function reset */
e10b2022
JS		 1692 rc = lpfc_sli4_port_sta_fn_reset(phba, LPFC_MBX_NO_WAIT,
1693 en_rn_msg);
618a5230
JS		 1694 if (rc == 0) {
1695 /* don't report event on forced debug dump */
1696 if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 &&
1697 reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP)
1698 return;
1699 else
1700 break;
2fcee4bf 1701 }
618a5230 1702 /* fall through for not able to recover */
6b5151fd
JS		 1703 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1704 "3152 Unrecoverable error, bring the port "
1705 "offline\n");
2fcee4bf
JS		 1706 lpfc_sli4_offline_eratt(phba);
1707 break;
1708 case LPFC_SLI_INTF_IF_TYPE_1:
1709 default:
1710 break;
1711 }
2e90f4b5
JS		 1712 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
1713 "3123 Report dump event to upper layer\n");
1714 /* Send an internal error event to mgmt application */
1715 lpfc_board_errevt_to_mgmt(phba);
1716
1717 event_data = FC_REG_DUMP_EVENT;
1718 shost = lpfc_shost_from_vport(vport);
1719 fc_host_post_vendor_event(shost, fc_get_event_number(),
1720 sizeof(event_data), (char *) &event_data,
1721 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
da0436e9
JS		 1722}
1723
1724/**
1725 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1726 * @phba: pointer to lpfc HBA data structure.
1727 *
1728 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1729 * routine from the API jump table function pointer from the lpfc_hba struct.
1730 *
1731 * Return codes
af901ca1 1732 * 0 - success.
da0436e9
JS		 1733 * Any other value - error.
1734 **/
1735void
1736lpfc_handle_eratt(struct lpfc_hba *phba)
1737{
1738 (*phba->lpfc_handle_eratt)(phba);
1739}
1740
e59058c4 1741/**
3621a710 1742 * lpfc_handle_latt - The HBA link event handler
e59058c4
JS		 1743 * @phba: pointer to lpfc hba data structure.
1744 *
1745 * This routine is invoked from the worker thread to handle a HBA host
1746 * attention link event.
1747 **/
dea3101e 1748void
2e0fef85 1749lpfc_handle_latt(struct lpfc_hba *phba)
dea3101e 1750{
2e0fef85
JS		 1751 struct lpfc_vport *vport = phba->pport;
1752 struct lpfc_sli *psli = &phba->sli;
dea3101e
JB		 1753 LPFC_MBOXQ_t *pmb;
1754 volatile uint32_t control;
1755 struct lpfc_dmabuf *mp;
09372820 1756 int rc = 0;
dea3101e
JB		 1757
1758 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
09372820
JS		 1759 if (!pmb) {
1760 rc = 1;
dea3101e 1761 goto lpfc_handle_latt_err_exit;
09372820 1762 }
dea3101e
JB		 1763
1764 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
09372820
JS		 1765 if (!mp) {
1766 rc = 2;
dea3101e 1767 goto lpfc_handle_latt_free_pmb;
09372820 1768 }
dea3101e
JB		 1769
1770 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
09372820
JS		 1771 if (!mp->virt) {
1772 rc = 3;
dea3101e 1773 goto lpfc_handle_latt_free_mp;
09372820 1774 }
dea3101e 1775
6281bfe0 1776 /* Cleanup any outstanding ELS commands */
549e55cd 1777 lpfc_els_flush_all_cmd(phba);
dea3101e
JB		 1778
1779 psli->slistat.link_event++;
76a95d75
JS		 1780 lpfc_read_topology(phba, pmb, mp);
1781 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
2e0fef85 1782 pmb->vport = vport;
0d2b6b83
JS		 1783 /* Block ELS IOCBs until we have processed this mbox command */
1784 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
0b727fea 1785 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
09372820
JS		 1786 if (rc == MBX_NOT_FINISHED) {
1787 rc = 4;
14691150 1788 goto lpfc_handle_latt_free_mbuf;
09372820 1789 }
dea3101e
JB		 1790
1791 /* Clear Link Attention in HA REG */
2e0fef85 1792 spin_lock_irq(&phba->hbalock);
dea3101e
JB		 1793 writel(HA_LATT, phba->HAregaddr);
1794 readl(phba->HAregaddr); /* flush */
2e0fef85 1795 spin_unlock_irq(&phba->hbalock);
dea3101e
JB		 1796
1797 return;
1798
14691150 1799lpfc_handle_latt_free_mbuf:
0d2b6b83 1800 phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT;
14691150 1801 lpfc_mbuf_free(phba, mp->virt, mp->phys);
dea3101e
JB		 1802lpfc_handle_latt_free_mp:
1803 kfree(mp);
1804lpfc_handle_latt_free_pmb:
1dcb58e5 1805 mempool_free(pmb, phba->mbox_mem_pool);
dea3101e
JB		 1806lpfc_handle_latt_err_exit:
1807 /* Enable Link attention interrupts */
2e0fef85 1808 spin_lock_irq(&phba->hbalock);
dea3101e
JB		 1809 psli->sli_flag |= LPFC_PROCESS_LA;
1810 control = readl(phba->HCregaddr);
1811 control |= HC_LAINT_ENA;
1812 writel(control, phba->HCregaddr);
1813 readl(phba->HCregaddr); /* flush */
1814
1815 /* Clear Link Attention in HA REG */
1816 writel(HA_LATT, phba->HAregaddr);
1817 readl(phba->HAregaddr); /* flush */
2e0fef85 1818 spin_unlock_irq(&phba->hbalock);
dea3101e 1819 lpfc_linkdown(phba);
2e0fef85 1820 phba->link_state = LPFC_HBA_ERROR;
dea3101e 1821
09372820
JS		 1822 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1823 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
dea3101e
JB		 1824
1825 return;
1826}
1827
e59058c4 1828/**
3621a710 1829 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
e59058c4
JS		 1830 * @phba: pointer to lpfc hba data structure.
1831 * @vpd: pointer to the vital product data.
1832 * @len: length of the vital product data in bytes.
1833 *
1834 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1835 * an array of characters. In this routine, the ModelName, ProgramType, and
1836 * ModelDesc, etc. fields of the phba data structure will be populated.
1837 *
1838 * Return codes
1839 * 0 - pointer to the VPD passed in is NULL
1840 * 1 - success
1841 **/
3772a991 1842int
2e0fef85 1843lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
dea3101e
JB		 1844{
1845 uint8_t lenlo, lenhi;
07da60c1 1846 int Length;
dea3101e
JB		 1847 int i, j;
1848 int finished = 0;
1849 int index = 0;
1850
1851 if (!vpd)
1852 return 0;
1853
1854 /* Vital Product */
ed957684 1855 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011 1856 "0455 Vital Product Data: x%x x%x x%x x%x\n",
dea3101e
JB		 1857 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
1858 (uint32_t) vpd[3]);
74b72a59 1859 while (!finished && (index < (len - 4))) {
dea3101e
JB		 1860 switch (vpd[index]) {
1861 case 0x82:
74b72a59 1862 case 0x91:
dea3101e
JB		 1863 index += 1;
1864 lenlo = vpd[index];
1865 index += 1;
1866 lenhi = vpd[index];
1867 index += 1;
1868 i = ((((unsigned short)lenhi) << 8) + lenlo);
1869 index += i;
1870 break;
1871 case 0x90:
1872 index += 1;
1873 lenlo = vpd[index];
1874 index += 1;
1875 lenhi = vpd[index];
1876 index += 1;
1877 Length = ((((unsigned short)lenhi) << 8) + lenlo);
74b72a59
JW		 1878 if (Length > len - index)
1879 Length = len - index;
dea3101e
JB		 1880 while (Length > 0) {
1881 /* Look for Serial Number */
1882 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
1883 index += 2;
1884 i = vpd[index];
1885 index += 1;
1886 j = 0;
1887 Length -= (3+i);
1888 while(i--) {
1889 phba->SerialNumber[j++] = vpd[index++];
1890 if (j == 31)
1891 break;
1892 }
1893 phba->SerialNumber[j] = 0;
1894 continue;
1895 }
1896 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
1897 phba->vpd_flag |= VPD_MODEL_DESC;
1898 index += 2;
1899 i = vpd[index];
1900 index += 1;
1901 j = 0;
1902 Length -= (3+i);
1903 while(i--) {
1904 phba->ModelDesc[j++] = vpd[index++];
1905 if (j == 255)
1906 break;
1907 }
1908 phba->ModelDesc[j] = 0;
1909 continue;
1910 }
1911 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
1912 phba->vpd_flag |= VPD_MODEL_NAME;
1913 index += 2;
1914 i = vpd[index];
1915 index += 1;
1916 j = 0;
1917 Length -= (3+i);
1918 while(i--) {
1919 phba->ModelName[j++] = vpd[index++];
1920 if (j == 79)
1921 break;
1922 }
1923 phba->ModelName[j] = 0;
1924 continue;
1925 }
1926 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
1927 phba->vpd_flag |= VPD_PROGRAM_TYPE;
1928 index += 2;
1929 i = vpd[index];
1930 index += 1;
1931 j = 0;
1932 Length -= (3+i);
1933 while(i--) {
1934 phba->ProgramType[j++] = vpd[index++];
1935 if (j == 255)
1936 break;
1937 }
1938 phba->ProgramType[j] = 0;
1939 continue;
1940 }
1941 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
1942 phba->vpd_flag |= VPD_PORT;
1943 index += 2;
1944 i = vpd[index];
1945 index += 1;
1946 j = 0;
1947 Length -= (3+i);
1948 while(i--) {
cd1c8301
JS		 1949 if ((phba->sli_rev == LPFC_SLI_REV4) &&
1950 (phba->sli4_hba.pport_name_sta ==
1951 LPFC_SLI4_PPNAME_GET)) {
1952 j++;
1953 index++;
1954 } else
1955 phba->Port[j++] = vpd[index++];
1956 if (j == 19)
1957 break;
dea3101e 1958 }
cd1c8301
JS		 1959 if ((phba->sli_rev != LPFC_SLI_REV4) ||
1960 (phba->sli4_hba.pport_name_sta ==
1961 LPFC_SLI4_PPNAME_NON))
1962 phba->Port[j] = 0;
dea3101e
JB		 1963 continue;
1964 }
1965 else {
1966 index += 2;
1967 i = vpd[index];
1968 index += 1;
1969 index += i;
1970 Length -= (3 + i);
1971 }
1972 }
1973 finished = 0;
1974 break;
1975 case 0x78:
1976 finished = 1;
1977 break;
1978 default:
1979 index ++;
1980 break;
1981 }
74b72a59 1982 }
dea3101e
JB		 1983
1984 return(1);
1985}
1986
e59058c4 1987/**
3621a710 1988 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
e59058c4
JS		 1989 * @phba: pointer to lpfc hba data structure.
1990 * @mdp: pointer to the data structure to hold the derived model name.
1991 * @descp: pointer to the data structure to hold the derived description.
1992 *
1993 * This routine retrieves HBA's description based on its registered PCI device
1994 * ID. The @descp passed into this function points to an array of 256 chars. It
1995 * shall be returned with the model name, maximum speed, and the host bus type.
1996 * The @mdp passed into this function points to an array of 80 chars. When the
1997 * function returns, the @mdp will be filled with the model name.
1998 **/
dea3101e 1999static void
2e0fef85 2000lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
dea3101e
JB		 2001{
2002 lpfc_vpd_t *vp;
fefcb2b6 2003 uint16_t dev_id = phba->pcidev->device;
74b72a59 2004 int max_speed;
84774a4d 2005 int GE = 0;
da0436e9 2006 int oneConnect = 0; /* default is not a oneConnect */
74b72a59 2007 struct {
a747c9ce
JS		 2008 char *name;
2009 char *bus;
2010 char *function;
2011 } m = {"<Unknown>", "", ""};
74b72a59
JW		 2012
2013 if (mdp && mdp[0] != '\0'
2014 && descp && descp[0] != '\0')
2015 return;
2016
c0c11512
JS		 2017 if (phba->lmt & LMT_16Gb)
2018 max_speed = 16;
2019 else if (phba->lmt & LMT_10Gb)
74b72a59
JW		 2020 max_speed = 10;
2021 else if (phba->lmt & LMT_8Gb)
2022 max_speed = 8;
2023 else if (phba->lmt & LMT_4Gb)
2024 max_speed = 4;
2025 else if (phba->lmt & LMT_2Gb)
2026 max_speed = 2;
4169d868 2027 else if (phba->lmt & LMT_1Gb)
74b72a59 2028 max_speed = 1;
4169d868
JS		 2029 else
2030 max_speed = 0;
dea3101e
JB		 2031
2032 vp = &phba->vpd;
dea3101e 2033
e4adb204 2034 switch (dev_id) {
06325e74 2035 case PCI_DEVICE_ID_FIREFLY:
12222f4f
JS		 2036 m = (typeof(m)){"LP6000", "PCI",
2037 "Obsolete, Unsupported Fibre Channel Adapter"};
06325e74 2038 break;
dea3101e
JB		 2039 case PCI_DEVICE_ID_SUPERFLY:
2040 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
12222f4f 2041 m = (typeof(m)){"LP7000", "PCI", ""};
dea3101e 2042 else
12222f4f
JS		 2043 m = (typeof(m)){"LP7000E", "PCI", ""};
2044 m.function = "Obsolete, Unsupported Fibre Channel Adapter";
dea3101e
JB		 2045 break;
2046 case PCI_DEVICE_ID_DRAGONFLY:
a747c9ce 2047 m = (typeof(m)){"LP8000", "PCI",
12222f4f 2048 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e
JB		 2049 break;
2050 case PCI_DEVICE_ID_CENTAUR:
2051 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
12222f4f 2052 m = (typeof(m)){"LP9002", "PCI", ""};
dea3101e 2053 else
12222f4f
JS		 2054 m = (typeof(m)){"LP9000", "PCI", ""};
2055 m.function = "Obsolete, Unsupported Fibre Channel Adapter";
dea3101e
JB		 2056 break;
2057 case PCI_DEVICE_ID_RFLY:
a747c9ce 2058 m = (typeof(m)){"LP952", "PCI",
12222f4f 2059 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e
JB		 2060 break;
2061 case PCI_DEVICE_ID_PEGASUS:
a747c9ce 2062 m = (typeof(m)){"LP9802", "PCI-X",
12222f4f 2063 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e
JB		 2064 break;
2065 case PCI_DEVICE_ID_THOR:
a747c9ce 2066 m = (typeof(m)){"LP10000", "PCI-X",
12222f4f 2067 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e
JB		 2068 break;
2069 case PCI_DEVICE_ID_VIPER:
a747c9ce 2070 m = (typeof(m)){"LPX1000", "PCI-X",
12222f4f 2071 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e
JB		 2072 break;
2073 case PCI_DEVICE_ID_PFLY:
a747c9ce 2074 m = (typeof(m)){"LP982", "PCI-X",
12222f4f 2075 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e
JB		 2076 break;
2077 case PCI_DEVICE_ID_TFLY:
a747c9ce 2078 m = (typeof(m)){"LP1050", "PCI-X",
12222f4f 2079 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e
JB		 2080 break;
2081 case PCI_DEVICE_ID_HELIOS:
a747c9ce 2082 m = (typeof(m)){"LP11000", "PCI-X2",
12222f4f 2083 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e 2084 break;
e4adb204 2085 case PCI_DEVICE_ID_HELIOS_SCSP:
a747c9ce 2086 m = (typeof(m)){"LP11000-SP", "PCI-X2",
12222f4f 2087 "Obsolete, Unsupported Fibre Channel Adapter"};
e4adb204
JSEC		 2088 break;
2089 case PCI_DEVICE_ID_HELIOS_DCSP:
a747c9ce 2090 m = (typeof(m)){"LP11002-SP", "PCI-X2",
12222f4f 2091 "Obsolete, Unsupported Fibre Channel Adapter"};
e4adb204
JSEC		 2092 break;
2093 case PCI_DEVICE_ID_NEPTUNE:
12222f4f
JS		 2094 m = (typeof(m)){"LPe1000", "PCIe",
2095 "Obsolete, Unsupported Fibre Channel Adapter"};
e4adb204
JSEC		 2096 break;
2097 case PCI_DEVICE_ID_NEPTUNE_SCSP:
12222f4f
JS		 2098 m = (typeof(m)){"LPe1000-SP", "PCIe",
2099 "Obsolete, Unsupported Fibre Channel Adapter"};
e4adb204
JSEC		 2100 break;
2101 case PCI_DEVICE_ID_NEPTUNE_DCSP:
12222f4f
JS		 2102 m = (typeof(m)){"LPe1002-SP", "PCIe",
2103 "Obsolete, Unsupported Fibre Channel Adapter"};
e4adb204 2104 break;
dea3101e 2105 case PCI_DEVICE_ID_BMID:
a747c9ce 2106 m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"};
dea3101e
JB		 2107 break;
2108 case PCI_DEVICE_ID_BSMB:
12222f4f
JS		 2109 m = (typeof(m)){"LP111", "PCI-X2",
2110 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e
JB		 2111 break;
2112 case PCI_DEVICE_ID_ZEPHYR:
a747c9ce 2113 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
dea3101e 2114 break;
e4adb204 2115 case PCI_DEVICE_ID_ZEPHYR_SCSP:
a747c9ce 2116 m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"};
e4adb204
JSEC		 2117 break;
2118 case PCI_DEVICE_ID_ZEPHYR_DCSP:
a747c9ce 2119 m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"};
a257bf90 2120 GE = 1;
e4adb204 2121 break;
dea3101e 2122 case PCI_DEVICE_ID_ZMID:
a747c9ce 2123 m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"};
dea3101e
JB		 2124 break;
2125 case PCI_DEVICE_ID_ZSMB:
a747c9ce 2126 m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"};
dea3101e
JB		 2127 break;
2128 case PCI_DEVICE_ID_LP101:
12222f4f
JS		 2129 m = (typeof(m)){"LP101", "PCI-X",
2130 "Obsolete, Unsupported Fibre Channel Adapter"};
dea3101e
JB		 2131 break;
2132 case PCI_DEVICE_ID_LP10000S:
12222f4f
JS		 2133 m = (typeof(m)){"LP10000-S", "PCI",
2134 "Obsolete, Unsupported Fibre Channel Adapter"};
06325e74 2135 break;
e4adb204 2136 case PCI_DEVICE_ID_LP11000S:
12222f4f
JS		 2137 m = (typeof(m)){"LP11000-S", "PCI-X2",
2138 "Obsolete, Unsupported Fibre Channel Adapter"};
18a3b596 2139 break;
e4adb204 2140 case PCI_DEVICE_ID_LPE11000S:
12222f4f
JS		 2141 m = (typeof(m)){"LPe11000-S", "PCIe",
2142 "Obsolete, Unsupported Fibre Channel Adapter"};
5cc36b3c 2143 break;
b87eab38 2144 case PCI_DEVICE_ID_SAT:
a747c9ce 2145 m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2146 break;
2147 case PCI_DEVICE_ID_SAT_MID:
a747c9ce 2148 m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2149 break;
2150 case PCI_DEVICE_ID_SAT_SMB:
a747c9ce 2151 m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2152 break;
2153 case PCI_DEVICE_ID_SAT_DCSP:
a747c9ce 2154 m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2155 break;
2156 case PCI_DEVICE_ID_SAT_SCSP:
a747c9ce 2157 m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"};
b87eab38
JS		 2158 break;
2159 case PCI_DEVICE_ID_SAT_S:
a747c9ce 2160 m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"};
b87eab38 2161 break;
84774a4d 2162 case PCI_DEVICE_ID_HORNET:
12222f4f
JS		 2163 m = (typeof(m)){"LP21000", "PCIe",
2164 "Obsolete, Unsupported FCoE Adapter"};
84774a4d
JS		 2165 GE = 1;
2166 break;
2167 case PCI_DEVICE_ID_PROTEUS_VF:
a747c9ce 2168 m = (typeof(m)){"LPev12000", "PCIe IOV",
12222f4f 2169 "Obsolete, Unsupported Fibre Channel Adapter"};
84774a4d
JS		 2170 break;
2171 case PCI_DEVICE_ID_PROTEUS_PF:
a747c9ce 2172 m = (typeof(m)){"LPev12000", "PCIe IOV",
12222f4f 2173 "Obsolete, Unsupported Fibre Channel Adapter"};
84774a4d
JS		 2174 break;
2175 case PCI_DEVICE_ID_PROTEUS_S:
a747c9ce 2176 m = (typeof(m)){"LPemv12002-S", "PCIe IOV",
12222f4f 2177 "Obsolete, Unsupported Fibre Channel Adapter"};
84774a4d 2178 break;
da0436e9
JS		 2179 case PCI_DEVICE_ID_TIGERSHARK:
2180 oneConnect = 1;
a747c9ce 2181 m = (typeof(m)){"OCe10100", "PCIe", "FCoE"};
da0436e9 2182 break;
a747c9ce 2183 case PCI_DEVICE_ID_TOMCAT:
6669f9bb 2184 oneConnect = 1;
a747c9ce
JS		 2185 m = (typeof(m)){"OCe11100", "PCIe", "FCoE"};
2186 break;
2187 case PCI_DEVICE_ID_FALCON:
2188 m = (typeof(m)){"LPSe12002-ML1-E", "PCIe",
2189 "EmulexSecure Fibre"};
6669f9bb 2190 break;
98fc5dd9
JS		 2191 case PCI_DEVICE_ID_BALIUS:
2192 m = (typeof(m)){"LPVe12002", "PCIe Shared I/O",
12222f4f 2193 "Obsolete, Unsupported Fibre Channel Adapter"};
98fc5dd9 2194 break;
085c647c 2195 case PCI_DEVICE_ID_LANCER_FC:
c0c11512 2196 m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
085c647c 2197 break;
12222f4f
JS		 2198 case PCI_DEVICE_ID_LANCER_FC_VF:
2199 m = (typeof(m)){"LPe16000", "PCIe",
2200 "Obsolete, Unsupported Fibre Channel Adapter"};
2201 break;
085c647c
JS		 2202 case PCI_DEVICE_ID_LANCER_FCOE:
2203 oneConnect = 1;
079b5c91 2204 m = (typeof(m)){"OCe15100", "PCIe", "FCoE"};
085c647c 2205 break;
12222f4f
JS		 2206 case PCI_DEVICE_ID_LANCER_FCOE_VF:
2207 oneConnect = 1;
2208 m = (typeof(m)){"OCe15100", "PCIe",
2209 "Obsolete, Unsupported FCoE"};
2210 break;
f8cafd38
JS		 2211 case PCI_DEVICE_ID_SKYHAWK:
2212 case PCI_DEVICE_ID_SKYHAWK_VF:
2213 oneConnect = 1;
2214 m = (typeof(m)){"OCe14000", "PCIe", "FCoE"};
2215 break;
5cc36b3c 2216 default:
a747c9ce 2217 m = (typeof(m)){"Unknown", "", ""};
e4adb204 2218 break;
dea3101e 2219 }
74b72a59
JW		 2220
2221 if (mdp && mdp[0] == '\0')
2222 snprintf(mdp, 79,"%s", m.name);
c0c11512
JS		 2223 /*
2224 * oneConnect hba requires special processing, they are all initiators
da0436e9
JS		 2225 * and we put the port number on the end
2226 */
2227 if (descp && descp[0] == '\0') {
2228 if (oneConnect)
2229 snprintf(descp, 255,
4169d868 2230 "Emulex OneConnect %s, %s Initiator %s",
a747c9ce 2231 m.name, m.function,
da0436e9 2232 phba->Port);
4169d868
JS		 2233 else if (max_speed == 0)
2234 snprintf(descp, 255,
2235 "Emulex %s %s %s ",
2236 m.name, m.bus, m.function);
da0436e9
JS		 2237 else
2238 snprintf(descp, 255,
2239 "Emulex %s %d%s %s %s",
a747c9ce
JS		 2240 m.name, max_speed, (GE) ? "GE" : "Gb",
2241 m.bus, m.function);
da0436e9 2242 }
dea3101e
JB		 2243}
2244
e59058c4 2245/**
3621a710 2246 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
e59058c4
JS		 2247 * @phba: pointer to lpfc hba data structure.
2248 * @pring: pointer to a IOCB ring.
2249 * @cnt: the number of IOCBs to be posted to the IOCB ring.
2250 *
2251 * This routine posts a given number of IOCBs with the associated DMA buffer
2252 * descriptors specified by the cnt argument to the given IOCB ring.
2253 *
2254 * Return codes
2255 * The number of IOCBs NOT able to be posted to the IOCB ring.
2256 **/
dea3101e 2257int
495a714c 2258lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt)
dea3101e
JB		 2259{
2260 IOCB_t *icmd;
0bd4ca25 2261 struct lpfc_iocbq *iocb;
dea3101e
JB		 2262 struct lpfc_dmabuf *mp1, *mp2;
2263
2264 cnt += pring->missbufcnt;
2265
2266 /* While there are buffers to post */
2267 while (cnt > 0) {
2268 /* Allocate buffer for command iocb */
0bd4ca25 2269 iocb = lpfc_sli_get_iocbq(phba);
dea3101e
JB		 2270 if (iocb == NULL) {
2271 pring->missbufcnt = cnt;
2272 return cnt;
2273 }
dea3101e
JB		 2274 icmd = &iocb->iocb;
2275
2276 /* 2 buffers can be posted per command */
2277 /* Allocate buffer to post */
2278 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
2279 if (mp1)
98c9ea5c
JS		 2280 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
2281 if (!mp1 || !mp1->virt) {
c9475cb0 2282 kfree(mp1);
604a3e30 2283 lpfc_sli_release_iocbq(phba, iocb);
dea3101e
JB		 2284 pring->missbufcnt = cnt;
2285 return cnt;
2286 }
2287
2288 INIT_LIST_HEAD(&mp1->list);
2289 /* Allocate buffer to post */
2290 if (cnt > 1) {
2291 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
2292 if (mp2)
2293 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
2294 &mp2->phys);
98c9ea5c 2295 if (!mp2 || !mp2->virt) {
c9475cb0 2296 kfree(mp2);
dea3101e
JB		 2297 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
2298 kfree(mp1);
604a3e30 2299 lpfc_sli_release_iocbq(phba, iocb);
dea3101e
JB		 2300 pring->missbufcnt = cnt;
2301 return cnt;
2302 }
2303
2304 INIT_LIST_HEAD(&mp2->list);
2305 } else {
2306 mp2 = NULL;
2307 }
2308
2309 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
2310 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
2311 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
2312 icmd->ulpBdeCount = 1;
2313 cnt--;
2314 if (mp2) {
2315 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
2316 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
2317 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
2318 cnt--;
2319 icmd->ulpBdeCount = 2;
2320 }
2321
2322 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
2323 icmd->ulpLe = 1;
2324
3772a991
JS		 2325 if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) ==
2326 IOCB_ERROR) {
dea3101e
JB		 2327 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
2328 kfree(mp1);
2329 cnt++;
2330 if (mp2) {
2331 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
2332 kfree(mp2);
2333 cnt++;
2334 }
604a3e30 2335 lpfc_sli_release_iocbq(phba, iocb);
dea3101e 2336 pring->missbufcnt = cnt;
dea3101e
JB		 2337 return cnt;
2338 }
dea3101e 2339 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
92d7f7b0 2340 if (mp2)
dea3101e 2341 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
dea3101e
JB		 2342 }
2343 pring->missbufcnt = 0;
2344 return 0;
2345}
2346
e59058c4 2347/**
3621a710 2348 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
e59058c4
JS		 2349 * @phba: pointer to lpfc hba data structure.
2350 *
2351 * This routine posts initial receive IOCB buffers to the ELS ring. The
2352 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
2353 * set to 64 IOCBs.
2354 *
2355 * Return codes
2356 * 0 - success (currently always success)
2357 **/
dea3101e 2358static int
2e0fef85 2359lpfc_post_rcv_buf(struct lpfc_hba *phba)
dea3101e
JB		 2360{
2361 struct lpfc_sli *psli = &phba->sli;
2362
2363 /* Ring 0, ELS / CT buffers */
495a714c 2364 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0);
dea3101e
JB		 2365 /* Ring 2 - FCP no buffers needed */
2366
2367 return 0;
2368}
2369
2370#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
2371
e59058c4 2372/**
3621a710 2373 * lpfc_sha_init - Set up initial array of hash table entries
e59058c4
JS		 2374 * @HashResultPointer: pointer to an array as hash table.
2375 *
2376 * This routine sets up the initial values to the array of hash table entries
2377 * for the LC HBAs.
2378 **/
dea3101e
JB		 2379static void
2380lpfc_sha_init(uint32_t * HashResultPointer)
2381{
2382 HashResultPointer[0] = 0x67452301;
2383 HashResultPointer[1] = 0xEFCDAB89;
2384 HashResultPointer[2] = 0x98BADCFE;
2385 HashResultPointer[3] = 0x10325476;
2386 HashResultPointer[4] = 0xC3D2E1F0;
2387}
2388
e59058c4 2389/**
3621a710 2390 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
e59058c4
JS		 2391 * @HashResultPointer: pointer to an initial/result hash table.
2392 * @HashWorkingPointer: pointer to an working hash table.
2393 *
2394 * This routine iterates an initial hash table pointed by @HashResultPointer
2395 * with the values from the working hash table pointeed by @HashWorkingPointer.
2396 * The results are putting back to the initial hash table, returned through
2397 * the @HashResultPointer as the result hash table.
2398 **/
dea3101e
JB		 2399static void
2400lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
2401{
2402 int t;
2403 uint32_t TEMP;
2404 uint32_t A, B, C, D, E;
2405 t = 16;
2406 do {
2407 HashWorkingPointer[t] =
2408 S(1,
2409 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
2410 8] ^
2411 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
2412 } while (++t <= 79);
2413 t = 0;
2414 A = HashResultPointer[0];
2415 B = HashResultPointer[1];
2416 C = HashResultPointer[2];
2417 D = HashResultPointer[3];
2418 E = HashResultPointer[4];
2419
2420 do {
2421 if (t < 20) {
2422 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
2423 } else if (t < 40) {
2424 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
2425 } else if (t < 60) {
2426 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
2427 } else {
2428 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
2429 }
2430 TEMP += S(5, A) + E + HashWorkingPointer[t];
2431 E = D;
2432 D = C;
2433 C = S(30, B);
2434 B = A;
2435 A = TEMP;
2436 } while (++t <= 79);
2437
2438 HashResultPointer[0] += A;
2439 HashResultPointer[1] += B;
2440 HashResultPointer[2] += C;
2441 HashResultPointer[3] += D;
2442 HashResultPointer[4] += E;
2443
2444}
2445
e59058c4 2446/**
3621a710 2447 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
e59058c4
JS		 2448 * @RandomChallenge: pointer to the entry of host challenge random number array.
2449 * @HashWorking: pointer to the entry of the working hash array.
2450 *
2451 * This routine calculates the working hash array referred by @HashWorking
2452 * from the challenge random numbers associated with the host, referred by
2453 * @RandomChallenge. The result is put into the entry of the working hash
2454 * array and returned by reference through @HashWorking.
2455 **/
dea3101e
JB		 2456static void
2457lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
2458{
2459 *HashWorking = (*RandomChallenge ^ *HashWorking);
2460}
2461
e59058c4 2462/**
3621a710 2463 * lpfc_hba_init - Perform special handling for LC HBA initialization
e59058c4
JS		 2464 * @phba: pointer to lpfc hba data structure.
2465 * @hbainit: pointer to an array of unsigned 32-bit integers.
2466 *
2467 * This routine performs the special handling for LC HBA initialization.
2468 **/
dea3101e
JB		 2469void
2470lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
2471{
2472 int t;
2473 uint32_t *HashWorking;
2e0fef85 2474 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
dea3101e 2475
bbfbbbc1 2476 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
dea3101e
JB		 2477 if (!HashWorking)
2478 return;
2479
dea3101e
JB		 2480 HashWorking[0] = HashWorking[78] = *pwwnn++;
2481 HashWorking[1] = HashWorking[79] = *pwwnn;
2482
2483 for (t = 0; t < 7; t++)
2484 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
2485
2486 lpfc_sha_init(hbainit);
2487 lpfc_sha_iterate(hbainit, HashWorking);
2488 kfree(HashWorking);
2489}
2490
e59058c4 2491/**
3621a710 2492 * lpfc_cleanup - Performs vport cleanups before deleting a vport
e59058c4
JS		 2493 * @vport: pointer to a virtual N_Port data structure.
2494 *
2495 * This routine performs the necessary cleanups before deleting the @vport.
2496 * It invokes the discovery state machine to perform necessary state
2497 * transitions and to release the ndlps associated with the @vport. Note,
2498 * the physical port is treated as @vport 0.
2499 **/
87af33fe 2500void
2e0fef85 2501lpfc_cleanup(struct lpfc_vport *vport)
dea3101e 2502{
87af33fe 2503 struct lpfc_hba *phba = vport->phba;
dea3101e 2504 struct lpfc_nodelist *ndlp, *next_ndlp;
a8adb832 2505 int i = 0;
dea3101e 2506
87af33fe
JS		 2507 if (phba->link_state > LPFC_LINK_DOWN)
2508 lpfc_port_link_failure(vport);
2509
2510 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
e47c9093
JS		 2511 if (!NLP_CHK_NODE_ACT(ndlp)) {
2512 ndlp = lpfc_enable_node(vport, ndlp,
2513 NLP_STE_UNUSED_NODE);
2514 if (!ndlp)
2515 continue;
2516 spin_lock_irq(&phba->ndlp_lock);
2517 NLP_SET_FREE_REQ(ndlp);
2518 spin_unlock_irq(&phba->ndlp_lock);
2519 /* Trigger the release of the ndlp memory */
2520 lpfc_nlp_put(ndlp);
2521 continue;
2522 }
2523 spin_lock_irq(&phba->ndlp_lock);
2524 if (NLP_CHK_FREE_REQ(ndlp)) {
2525 /* The ndlp should not be in memory free mode already */
2526 spin_unlock_irq(&phba->ndlp_lock);
2527 continue;
2528 } else
2529 /* Indicate request for freeing ndlp memory */
2530 NLP_SET_FREE_REQ(ndlp);
2531 spin_unlock_irq(&phba->ndlp_lock);
2532
58da1ffb
JS		 2533 if (vport->port_type != LPFC_PHYSICAL_PORT &&
2534 ndlp->nlp_DID == Fabric_DID) {
2535 /* Just free up ndlp with Fabric_DID for vports */
2536 lpfc_nlp_put(ndlp);
2537 continue;
2538 }
2539
eff4a01b
JS		 2540 /* take care of nodes in unused state before the state
2541 * machine taking action.
2542 */
2543 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
2544 lpfc_nlp_put(ndlp);
2545 continue;
2546 }
2547
87af33fe
JS		 2548 if (ndlp->nlp_type & NLP_FABRIC)
2549 lpfc_disc_state_machine(vport, ndlp, NULL,
2550 NLP_EVT_DEVICE_RECOVERY);
e47c9093 2551
87af33fe
JS		 2552 lpfc_disc_state_machine(vport, ndlp, NULL,
2553 NLP_EVT_DEVICE_RM);
2554 }
2555
a8adb832
JS		 2556 /* At this point, ALL ndlp's should be gone
2557 * because of the previous NLP_EVT_DEVICE_RM.
2558 * Lets wait for this to happen, if needed.
2559 */
87af33fe 2560 while (!list_empty(&vport->fc_nodes)) {
a8adb832 2561 if (i++ > 3000) {
87af33fe 2562 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
a8adb832 2563 "0233 Nodelist not empty\n");
e47c9093
JS		 2564 list_for_each_entry_safe(ndlp, next_ndlp,
2565 &vport->fc_nodes, nlp_listp) {
2566 lpfc_printf_vlog(ndlp->vport, KERN_ERR,
2567 LOG_NODE,
d7c255b2 2568 "0282 did:x%x ndlp:x%p "
e47c9093
JS		 2569 "usgmap:x%x refcnt:%d\n",
2570 ndlp->nlp_DID, (void *)ndlp,
2571 ndlp->nlp_usg_map,
2572 atomic_read(
2573 &ndlp->kref.refcount));
2574 }
a8adb832 2575 break;
87af33fe 2576 }
a8adb832
JS		 2577
2578 /* Wait for any activity on ndlps to settle */
2579 msleep(10);
87af33fe 2580 }
1151e3ec 2581 lpfc_cleanup_vports_rrqs(vport, NULL);
dea3101e
JB		 2582}
2583
e59058c4 2584/**
3621a710 2585 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
e59058c4
JS		 2586 * @vport: pointer to a virtual N_Port data structure.
2587 *
2588 * This routine stops all the timers associated with a @vport. This function
2589 * is invoked before disabling or deleting a @vport. Note that the physical
2590 * port is treated as @vport 0.
2591 **/
92d7f7b0
JS		 2592void
2593lpfc_stop_vport_timers(struct lpfc_vport *vport)
dea3101e 2594{
92d7f7b0
JS		 2595 del_timer_sync(&vport->els_tmofunc);
2596 del_timer_sync(&vport->fc_fdmitmo);
92494144 2597 del_timer_sync(&vport->delayed_disc_tmo);
92d7f7b0
JS		 2598 lpfc_can_disctmo(vport);
2599 return;
dea3101e
JB		 2600}
2601
ecfd03c6
JS		 2602/**
2603 * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2604 * @phba: pointer to lpfc hba data structure.
2605 *
2606 * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
2607 * caller of this routine should already hold the host lock.
2608 **/
2609void
2610__lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
2611{
5ac6b303
JS		 2612 /* Clear pending FCF rediscovery wait flag */
2613 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
2614
ecfd03c6
JS		 2615 /* Now, try to stop the timer */
2616 del_timer(&phba->fcf.redisc_wait);
2617}
2618
2619/**
2620 * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
2621 * @phba: pointer to lpfc hba data structure.
2622 *
2623 * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
2624 * checks whether the FCF rediscovery wait timer is pending with the host
2625 * lock held before proceeding with disabling the timer and clearing the
2626 * wait timer pendig flag.
2627 **/
2628void
2629lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
2630{
2631 spin_lock_irq(&phba->hbalock);
2632 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
2633 /* FCF rediscovery timer already fired or stopped */
2634 spin_unlock_irq(&phba->hbalock);
2635 return;
2636 }
2637 __lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
5ac6b303
JS		 2638 /* Clear failover in progress flags */
2639 phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC);
ecfd03c6
JS		 2640 spin_unlock_irq(&phba->hbalock);
2641}
2642
e59058c4 2643/**
3772a991 2644 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
e59058c4
JS		 2645 * @phba: pointer to lpfc hba data structure.
2646 *
2647 * This routine stops all the timers associated with a HBA. This function is
2648 * invoked before either putting a HBA offline or unloading the driver.
2649 **/
3772a991
JS		 2650void
2651lpfc_stop_hba_timers(struct lpfc_hba *phba)
dea3101e 2652{
51ef4c26 2653 lpfc_stop_vport_timers(phba->pport);
2e0fef85 2654 del_timer_sync(&phba->sli.mbox_tmo);
92d7f7b0 2655 del_timer_sync(&phba->fabric_block_timer);
9399627f 2656 del_timer_sync(&phba->eratt_poll);
3772a991 2657 del_timer_sync(&phba->hb_tmofunc);
1151e3ec
JS		 2658 if (phba->sli_rev == LPFC_SLI_REV4) {
2659 del_timer_sync(&phba->rrq_tmr);
2660 phba->hba_flag &= ~HBA_RRQ_ACTIVE;
2661 }
3772a991
JS		 2662 phba->hb_outstanding = 0;
2663
2664 switch (phba->pci_dev_grp) {
2665 case LPFC_PCI_DEV_LP:
2666 /* Stop any LightPulse device specific driver timers */
2667 del_timer_sync(&phba->fcp_poll_timer);
2668 break;
2669 case LPFC_PCI_DEV_OC:
2670 /* Stop any OneConnect device sepcific driver timers */
ecfd03c6 2671 lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
3772a991
JS		 2672 break;
2673 default:
2674 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2675 "0297 Invalid device group (x%x)\n",
2676 phba->pci_dev_grp);
2677 break;
2678 }
2e0fef85 2679 return;
dea3101e
JB		 2680}
2681
e59058c4 2682/**
3621a710 2683 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
e59058c4
JS		 2684 * @phba: pointer to lpfc hba data structure.
2685 *
2686 * This routine marks a HBA's management interface as blocked. Once the HBA's
2687 * management interface is marked as blocked, all the user space access to
2688 * the HBA, whether they are from sysfs interface or libdfc interface will
2689 * all be blocked. The HBA is set to block the management interface when the
2690 * driver prepares the HBA interface for online or offline.
2691 **/
a6ababd2 2692static void
618a5230 2693lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action)
a6ababd2
AB		 2694{
2695 unsigned long iflag;
6e7288d9
JS		 2696 uint8_t actcmd = MBX_HEARTBEAT;
2697 unsigned long timeout;
2698
a6ababd2
AB		 2699 spin_lock_irqsave(&phba->hbalock, iflag);
2700 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
618a5230
JS		 2701 spin_unlock_irqrestore(&phba->hbalock, iflag);
2702 if (mbx_action == LPFC_MBX_NO_WAIT)
2703 return;
2704 timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies;
2705 spin_lock_irqsave(&phba->hbalock, iflag);
a183a15f 2706 if (phba->sli.mbox_active) {
6e7288d9 2707 actcmd = phba->sli.mbox_active->u.mb.mbxCommand;
a183a15f
JS		 2708 /* Determine how long we might wait for the active mailbox
2709 * command to be gracefully completed by firmware.
2710 */
2711 timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba,
2712 phba->sli.mbox_active) * 1000) + jiffies;
2713 }
a6ababd2 2714 spin_unlock_irqrestore(&phba->hbalock, iflag);
a183a15f 2715
6e7288d9
JS		 2716 /* Wait for the outstnading mailbox command to complete */
2717 while (phba->sli.mbox_active) {
2718 /* Check active mailbox complete status every 2ms */
2719 msleep(2);
2720 if (time_after(jiffies, timeout)) {
2721 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2722 "2813 Mgmt IO is Blocked %x "
2723 "- mbox cmd %x still active\n",
2724 phba->sli.sli_flag, actcmd);
2725 break;
2726 }
2727 }
a6ababd2
AB		 2728}
2729
6b5151fd
JS		 2730/**
2731 * lpfc_sli4_node_prep - Assign RPIs for active nodes.
2732 * @phba: pointer to lpfc hba data structure.
2733 *
2734 * Allocate RPIs for all active remote nodes. This is needed whenever
2735 * an SLI4 adapter is reset and the driver is not unloading. Its purpose
2736 * is to fixup the temporary rpi assignments.
2737 **/
2738void
2739lpfc_sli4_node_prep(struct lpfc_hba *phba)
2740{
2741 struct lpfc_nodelist *ndlp, *next_ndlp;
2742 struct lpfc_vport **vports;
2743 int i;
2744
2745 if (phba->sli_rev != LPFC_SLI_REV4)
2746 return;
2747
2748 vports = lpfc_create_vport_work_array(phba);
2749 if (vports != NULL) {
2750 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2751 if (vports[i]->load_flag & FC_UNLOADING)
2752 continue;
2753
2754 list_for_each_entry_safe(ndlp, next_ndlp,
2755 &vports[i]->fc_nodes,
2756 nlp_listp) {
2757 if (NLP_CHK_NODE_ACT(ndlp))
2758 ndlp->nlp_rpi =
2759 lpfc_sli4_alloc_rpi(phba);
2760 }
2761 }
2762 }
2763 lpfc_destroy_vport_work_array(phba, vports);
2764}
2765
e59058c4 2766/**
3621a710 2767 * lpfc_online - Initialize and bring a HBA online
e59058c4
JS		 2768 * @phba: pointer to lpfc hba data structure.
2769 *
2770 * This routine initializes the HBA and brings a HBA online. During this
2771 * process, the management interface is blocked to prevent user space access
2772 * to the HBA interfering with the driver initialization.
2773 *
2774 * Return codes
2775 * 0 - successful
2776 * 1 - failed
2777 **/
dea3101e 2778int
2e0fef85 2779lpfc_online(struct lpfc_hba *phba)
dea3101e 2780{
372bd282 2781 struct lpfc_vport *vport;
549e55cd
JS		 2782 struct lpfc_vport **vports;
2783 int i;
16a3a208 2784 bool vpis_cleared = false;
2e0fef85 2785
dea3101e
JB		 2786 if (!phba)
2787 return 0;
372bd282 2788 vport = phba->pport;
dea3101e 2789
2e0fef85 2790 if (!(vport->fc_flag & FC_OFFLINE_MODE))
dea3101e
JB		 2791 return 0;
2792
ed957684 2793 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 2794 "0458 Bring Adapter online\n");
dea3101e 2795
618a5230 2796 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
46fa311e
JS		 2797
2798 if (!lpfc_sli_queue_setup(phba)) {
2799 lpfc_unblock_mgmt_io(phba);
dea3101e 2800 return 1;
46fa311e 2801 }
dea3101e 2802
da0436e9
JS		 2803 if (phba->sli_rev == LPFC_SLI_REV4) {
2804 if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */
2805 lpfc_unblock_mgmt_io(phba);
2806 return 1;
2807 }
16a3a208
JS		 2808 spin_lock_irq(&phba->hbalock);
2809 if (!phba->sli4_hba.max_cfg_param.vpi_used)
2810 vpis_cleared = true;
2811 spin_unlock_irq(&phba->hbalock);
da0436e9
JS		 2812 } else {
2813 if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */
2814 lpfc_unblock_mgmt_io(phba);
2815 return 1;
2816 }
46fa311e 2817 }
dea3101e 2818
549e55cd
JS		 2819 vports = lpfc_create_vport_work_array(phba);
2820 if (vports != NULL)
da0436e9 2821 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
549e55cd
JS		 2822 struct Scsi_Host *shost;
2823 shost = lpfc_shost_from_vport(vports[i]);
2824 spin_lock_irq(shost->host_lock);
2825 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
2826 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
2827 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
16a3a208 2828 if (phba->sli_rev == LPFC_SLI_REV4) {
1c6834a7 2829 vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
16a3a208
JS		 2830 if ((vpis_cleared) &&
2831 (vports[i]->port_type !=
2832 LPFC_PHYSICAL_PORT))
2833 vports[i]->vpi = 0;
2834 }
549e55cd
JS		 2835 spin_unlock_irq(shost->host_lock);
2836 }
09372820 2837 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2838
46fa311e 2839 lpfc_unblock_mgmt_io(phba);
dea3101e
JB		 2840 return 0;
2841}
2842
e59058c4 2843/**
3621a710 2844 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
e59058c4
JS		 2845 * @phba: pointer to lpfc hba data structure.
2846 *
2847 * This routine marks a HBA's management interface as not blocked. Once the
2848 * HBA's management interface is marked as not blocked, all the user space
2849 * access to the HBA, whether they are from sysfs interface or libdfc
2850 * interface will be allowed. The HBA is set to block the management interface
2851 * when the driver prepares the HBA interface for online or offline and then
2852 * set to unblock the management interface afterwards.
2853 **/
46fa311e
JS		 2854void
2855lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
2856{
2857 unsigned long iflag;
2858
2e0fef85
JS		 2859 spin_lock_irqsave(&phba->hbalock, iflag);
2860 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
2861 spin_unlock_irqrestore(&phba->hbalock, iflag);
46fa311e
JS		 2862}
2863
e59058c4 2864/**
3621a710 2865 * lpfc_offline_prep - Prepare a HBA to be brought offline
e59058c4
JS		 2866 * @phba: pointer to lpfc hba data structure.
2867 *
2868 * This routine is invoked to prepare a HBA to be brought offline. It performs
2869 * unregistration login to all the nodes on all vports and flushes the mailbox
2870 * queue to make it ready to be brought offline.
2871 **/
46fa311e 2872void
618a5230 2873lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action)
46fa311e 2874{
2e0fef85 2875 struct lpfc_vport *vport = phba->pport;
46fa311e 2876 struct lpfc_nodelist *ndlp, *next_ndlp;
87af33fe 2877 struct lpfc_vport **vports;
72100cc4 2878 struct Scsi_Host *shost;
87af33fe 2879 int i;
dea3101e 2880
2e0fef85 2881 if (vport->fc_flag & FC_OFFLINE_MODE)
46fa311e 2882 return;
dea3101e 2883
618a5230 2884 lpfc_block_mgmt_io(phba, mbx_action);
dea3101e
JB		 2885
2886 lpfc_linkdown(phba);
2887
87af33fe
JS		 2888 /* Issue an unreg_login to all nodes on all vports */
2889 vports = lpfc_create_vport_work_array(phba);
2890 if (vports != NULL) {
da0436e9 2891 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
a8adb832
JS		 2892 if (vports[i]->load_flag & FC_UNLOADING)
2893 continue;
72100cc4
JS		 2894 shost = lpfc_shost_from_vport(vports[i]);
2895 spin_lock_irq(shost->host_lock);
c868595d 2896 vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED;
695a814e
JS		 2897 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
2898 vports[i]->fc_flag &= ~FC_VFI_REGISTERED;
72100cc4 2899 spin_unlock_irq(shost->host_lock);
695a814e 2900
87af33fe
JS		 2901 shost = lpfc_shost_from_vport(vports[i]);
2902 list_for_each_entry_safe(ndlp, next_ndlp,
2903 &vports[i]->fc_nodes,
2904 nlp_listp) {
e47c9093
JS		 2905 if (!NLP_CHK_NODE_ACT(ndlp))
2906 continue;
87af33fe
JS		 2907 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
2908 continue;
2909 if (ndlp->nlp_type & NLP_FABRIC) {
2910 lpfc_disc_state_machine(vports[i], ndlp,
2911 NULL, NLP_EVT_DEVICE_RECOVERY);
2912 lpfc_disc_state_machine(vports[i], ndlp,
2913 NULL, NLP_EVT_DEVICE_RM);
2914 }
2915 spin_lock_irq(shost->host_lock);
2916 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
401ee0c1 2917 spin_unlock_irq(shost->host_lock);
6b5151fd
JS		 2918 /*
2919 * Whenever an SLI4 port goes offline, free the
401ee0c1
JS		 2920 * RPI. Get a new RPI when the adapter port
2921 * comes back online.
6b5151fd
JS		 2922 */
2923 if (phba->sli_rev == LPFC_SLI_REV4)
2924 lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi);
87af33fe
JS		 2925 lpfc_unreg_rpi(vports[i], ndlp);
2926 }
2927 }
2928 }
09372820 2929 lpfc_destroy_vport_work_array(phba, vports);
dea3101e 2930
618a5230 2931 lpfc_sli_mbox_sys_shutdown(phba, mbx_action);
46fa311e
JS		 2932}
2933
e59058c4 2934/**
3621a710 2935 * lpfc_offline - Bring a HBA offline
e59058c4
JS		 2936 * @phba: pointer to lpfc hba data structure.
2937 *
2938 * This routine actually brings a HBA offline. It stops all the timers
2939 * associated with the HBA, brings down the SLI layer, and eventually
2940 * marks the HBA as in offline state for the upper layer protocol.
2941 **/
46fa311e 2942void
2e0fef85 2943lpfc_offline(struct lpfc_hba *phba)
46fa311e 2944{
549e55cd
JS		 2945 struct Scsi_Host *shost;
2946 struct lpfc_vport **vports;
2947 int i;
46fa311e 2948
549e55cd 2949 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
46fa311e 2950 return;
688a8863 2951
da0436e9
JS		 2952 /* stop port and all timers associated with this hba */
2953 lpfc_stop_port(phba);
51ef4c26
JS		 2954 vports = lpfc_create_vport_work_array(phba);
2955 if (vports != NULL)
da0436e9 2956 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
51ef4c26 2957 lpfc_stop_vport_timers(vports[i]);
09372820 2958 lpfc_destroy_vport_work_array(phba, vports);
92d7f7b0 2959 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
e8b62011 2960 "0460 Bring Adapter offline\n");
dea3101e
JB		 2961 /* Bring down the SLI Layer and cleanup. The HBA is offline
2962 now. */
2963 lpfc_sli_hba_down(phba);
92d7f7b0 2964 spin_lock_irq(&phba->hbalock);
7054a606 2965 phba->work_ha = 0;
92d7f7b0 2966 spin_unlock_irq(&phba->hbalock);
549e55cd
JS		 2967 vports = lpfc_create_vport_work_array(phba);
2968 if (vports != NULL)
da0436e9 2969 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
549e55cd 2970 shost = lpfc_shost_from_vport(vports[i]);
549e55cd
JS		 2971 spin_lock_irq(shost->host_lock);
2972 vports[i]->work_port_events = 0;
2973 vports[i]->fc_flag |= FC_OFFLINE_MODE;
2974 spin_unlock_irq(shost->host_lock);
2975 }
09372820 2976 lpfc_destroy_vport_work_array(phba, vports);
dea3101e
JB		 2977}
2978
e59058c4 2979/**
3621a710 2980 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
e59058c4
JS		 2981 * @phba: pointer to lpfc hba data structure.
2982 *
2983 * This routine is to free all the SCSI buffers and IOCBs from the driver
2984 * list back to kernel. It is called from lpfc_pci_remove_one to free
2985 * the internal resources before the device is removed from the system.
e59058c4 2986 **/
8a9d2e80 2987static void
2e0fef85 2988lpfc_scsi_free(struct lpfc_hba *phba)
dea3101e
JB		 2989{
2990 struct lpfc_scsi_buf *sb, *sb_next;
2991 struct lpfc_iocbq *io, *io_next;
2992
2e0fef85 2993 spin_lock_irq(&phba->hbalock);
a40fc5f0 2994
dea3101e 2995 /* Release all the lpfc_scsi_bufs maintained by this host. */
a40fc5f0
JS		 2996
2997 spin_lock(&phba->scsi_buf_list_put_lock);
2998 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_put,
2999 list) {
dea3101e
JB		 3000 list_del(&sb->list);
3001 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
92d7f7b0 3002 sb->dma_handle);
dea3101e
JB		 3003 kfree(sb);
3004 phba->total_scsi_bufs--;
3005 }
a40fc5f0
JS		 3006 spin_unlock(&phba->scsi_buf_list_put_lock);
3007
3008 spin_lock(&phba->scsi_buf_list_get_lock);
3009 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list_get,
3010 list) {
dea3101e
JB		 3011 list_del(&sb->list);
3012 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
92d7f7b0 3013 sb->dma_handle);
dea3101e
JB		 3014 kfree(sb);
3015 phba->total_scsi_bufs--;
3016 }
a40fc5f0 3017 spin_unlock(&phba->scsi_buf_list_get_lock);
dea3101e
JB		 3018
3019 /* Release all the lpfc_iocbq entries maintained by this host. */
3020 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
3021 list_del(&io->list);
3022 kfree(io);
3023 phba->total_iocbq_bufs--;
3024 }
6d368e53 3025
2e0fef85 3026 spin_unlock_irq(&phba->hbalock);
8a9d2e80
JS		 3027}
3028
3029/**
3030 * lpfc_sli4_xri_sgl_update - update xri-sgl sizing and mapping
3031 * @phba: pointer to lpfc hba data structure.
3032 *
3033 * This routine first calculates the sizes of the current els and allocated
3034 * scsi sgl lists, and then goes through all sgls to updates the physical
3035 * XRIs assigned due to port function reset. During port initialization, the
3036 * current els and allocated scsi sgl lists are 0s.
3037 *
3038 * Return codes
3039 * 0 - successful (for now, it always returns 0)
3040 **/
3041int
3042lpfc_sli4_xri_sgl_update(struct lpfc_hba *phba)
3043{
3044 struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL;
3045 struct lpfc_scsi_buf *psb = NULL, *psb_next = NULL;
3046 uint16_t i, lxri, xri_cnt, els_xri_cnt, scsi_xri_cnt;
3047 LIST_HEAD(els_sgl_list);
3048 LIST_HEAD(scsi_sgl_list);
3049 int rc;
3050
3051 /*
3052 * update on pci function's els xri-sgl list
3053 */
3054 els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
3055 if (els_xri_cnt > phba->sli4_hba.els_xri_cnt) {
3056 /* els xri-sgl expanded */
3057 xri_cnt = els_xri_cnt - phba->sli4_hba.els_xri_cnt;
3058 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3059 "3157 ELS xri-sgl count increased from "
3060 "%d to %d\n", phba->sli4_hba.els_xri_cnt,
3061 els_xri_cnt);
3062 /* allocate the additional els sgls */
3063 for (i = 0; i < xri_cnt; i++) {
3064 sglq_entry = kzalloc(sizeof(struct lpfc_sglq),
3065 GFP_KERNEL);
3066 if (sglq_entry == NULL) {
3067 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3068 "2562 Failure to allocate an "
3069 "ELS sgl entry:%d\n", i);
3070 rc = -ENOMEM;
3071 goto out_free_mem;
3072 }
3073 sglq_entry->buff_type = GEN_BUFF_TYPE;
3074 sglq_entry->virt = lpfc_mbuf_alloc(phba, 0,
3075 &sglq_entry->phys);
3076 if (sglq_entry->virt == NULL) {
3077 kfree(sglq_entry);
3078 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3079 "2563 Failure to allocate an "
3080 "ELS mbuf:%d\n", i);
3081 rc = -ENOMEM;
3082 goto out_free_mem;
3083 }
3084 sglq_entry->sgl = sglq_entry->virt;
3085 memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE);
3086 sglq_entry->state = SGL_FREED;
3087 list_add_tail(&sglq_entry->list, &els_sgl_list);
3088 }
38c20673 3089 spin_lock_irq(&phba->hbalock);
8a9d2e80 3090 list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
38c20673 3091 spin_unlock_irq(&phba->hbalock);
8a9d2e80
JS		 3092 } else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) {
3093 /* els xri-sgl shrinked */
3094 xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt;
3095 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3096 "3158 ELS xri-sgl count decreased from "
3097 "%d to %d\n", phba->sli4_hba.els_xri_cnt,
3098 els_xri_cnt);
3099 spin_lock_irq(&phba->hbalock);
3100 list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &els_sgl_list);
3101 spin_unlock_irq(&phba->hbalock);
3102 /* release extra els sgls from list */
3103 for (i = 0; i < xri_cnt; i++) {
3104 list_remove_head(&els_sgl_list,
3105 sglq_entry, struct lpfc_sglq, list);
3106 if (sglq_entry) {
3107 lpfc_mbuf_free(phba, sglq_entry->virt,
3108 sglq_entry->phys);
3109 kfree(sglq_entry);
3110 }
3111 }
3112 spin_lock_irq(&phba->hbalock);
3113 list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_sgl_list);
3114 spin_unlock_irq(&phba->hbalock);
3115 } else
3116 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3117 "3163 ELS xri-sgl count unchanged: %d\n",
3118 els_xri_cnt);
3119 phba->sli4_hba.els_xri_cnt = els_xri_cnt;
3120
3121 /* update xris to els sgls on the list */
3122 sglq_entry = NULL;
3123 sglq_entry_next = NULL;
3124 list_for_each_entry_safe(sglq_entry, sglq_entry_next,
3125 &phba->sli4_hba.lpfc_sgl_list, list) {
3126 lxri = lpfc_sli4_next_xritag(phba);
3127 if (lxri == NO_XRI) {
3128 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3129 "2400 Failed to allocate xri for "
3130 "ELS sgl\n");
3131 rc = -ENOMEM;
3132 goto out_free_mem;
3133 }
3134 sglq_entry->sli4_lxritag = lxri;
3135 sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri];
3136 }
3137
3138 /*
3139 * update on pci function's allocated scsi xri-sgl list
3140 */
3141 phba->total_scsi_bufs = 0;
3142
3143 /* maximum number of xris available for scsi buffers */
3144 phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri -
3145 els_xri_cnt;
3146
3147 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3148 "2401 Current allocated SCSI xri-sgl count:%d, "
3149 "maximum SCSI xri count:%d\n",
3150 phba->sli4_hba.scsi_xri_cnt,
3151 phba->sli4_hba.scsi_xri_max);
3152
a40fc5f0 3153 spin_lock_irq(&phba->scsi_buf_list_get_lock);
164cecd1 3154 spin_lock(&phba->scsi_buf_list_put_lock);
a40fc5f0
JS		 3155 list_splice_init(&phba->lpfc_scsi_buf_list_get, &scsi_sgl_list);
3156 list_splice(&phba->lpfc_scsi_buf_list_put, &scsi_sgl_list);
164cecd1 3157 spin_unlock(&phba->scsi_buf_list_put_lock);
a40fc5f0 3158 spin_unlock_irq(&phba->scsi_buf_list_get_lock);
8a9d2e80
JS		 3159
3160 if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) {
3161 /* max scsi xri shrinked below the allocated scsi buffers */
3162 scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt -
3163 phba->sli4_hba.scsi_xri_max;
3164 /* release the extra allocated scsi buffers */
3165 for (i = 0; i < scsi_xri_cnt; i++) {
3166 list_remove_head(&scsi_sgl_list, psb,
3167 struct lpfc_scsi_buf, list);
3168 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, psb->data,
3169 psb->dma_handle);
3170 kfree(psb);
3171 }
a40fc5f0 3172 spin_lock_irq(&phba->scsi_buf_list_get_lock);
8a9d2e80 3173 phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt;
a40fc5f0 3174 spin_unlock_irq(&phba->scsi_buf_list_get_lock);
8a9d2e80
JS		 3175 }
3176
3177 /* update xris associated to remaining allocated scsi buffers */
3178 psb = NULL;
3179 psb_next = NULL;
3180 list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) {
3181 lxri = lpfc_sli4_next_xritag(phba);
3182 if (lxri == NO_XRI) {
3183 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3184 "2560 Failed to allocate xri for "
3185 "scsi buffer\n");
3186 rc = -ENOMEM;
3187 goto out_free_mem;
3188 }
3189 psb->cur_iocbq.sli4_lxritag = lxri;
3190 psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri];
3191 }
a40fc5f0 3192 spin_lock_irq(&phba->scsi_buf_list_get_lock);
164cecd1 3193 spin_lock(&phba->scsi_buf_list_put_lock);
a40fc5f0
JS		 3194 list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list_get);
3195 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put);
164cecd1 3196 spin_unlock(&phba->scsi_buf_list_put_lock);
a40fc5f0 3197 spin_unlock_irq(&phba->scsi_buf_list_get_lock);
8a9d2e80 3198
dea3101e 3199 return 0;
8a9d2e80
JS		 3200
3201out_free_mem:
3202 lpfc_free_els_sgl_list(phba);
3203 lpfc_scsi_free(phba);
3204 return rc;
dea3101e
JB		 3205}
3206
e59058c4 3207/**
3621a710 3208 * lpfc_create_port - Create an FC port
e59058c4
JS		 3209 * @phba: pointer to lpfc hba data structure.
3210 * @instance: a unique integer ID to this FC port.
3211 * @dev: pointer to the device data structure.
3212 *
3213 * This routine creates a FC port for the upper layer protocol. The FC port
3214 * can be created on top of either a physical port or a virtual port provided
3215 * by the HBA. This routine also allocates a SCSI host data structure (shost)
3216 * and associates the FC port created before adding the shost into the SCSI
3217 * layer.
3218 *
3219 * Return codes
3220 * @vport - pointer to the virtual N_Port data structure.
3221 * NULL - port create failed.
3222 **/
2e0fef85 3223struct lpfc_vport *
3de2a653 3224lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
47a8617c 3225{
2e0fef85
JS		 3226 struct lpfc_vport *vport;
3227 struct Scsi_Host *shost;
3228 int error = 0;
47a8617c 3229
3de2a653
JS		 3230 if (dev != &phba->pcidev->dev)
3231 shost = scsi_host_alloc(&lpfc_vport_template,
3232 sizeof(struct lpfc_vport));
3233 else
3234 shost = scsi_host_alloc(&lpfc_template,
3235 sizeof(struct lpfc_vport));
2e0fef85
JS		 3236 if (!shost)
3237 goto out;
47a8617c 3238
2e0fef85
JS		 3239 vport = (struct lpfc_vport *) shost->hostdata;
3240 vport->phba = phba;
2e0fef85 3241 vport->load_flag |= FC_LOADING;
92d7f7b0 3242 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
7f5f3d0d 3243 vport->fc_rscn_flush = 0;
47a8617c 3244
3de2a653 3245 lpfc_get_vport_cfgparam(vport);
2e0fef85
JS		 3246 shost->unique_id = instance;
3247 shost->max_id = LPFC_MAX_TARGET;
3de2a653 3248 shost->max_lun = vport->cfg_max_luns;
2e0fef85
JS		 3249 shost->this_id = -1;
3250 shost->max_cmd_len = 16;
da0436e9 3251 if (phba->sli_rev == LPFC_SLI_REV4) {
28baac74 3252 shost->dma_boundary =
cb5172ea 3253 phba->sli4_hba.pc_sli4_params.sge_supp_len-1;
da0436e9
JS		 3254 shost->sg_tablesize = phba->cfg_sg_seg_cnt;
3255 }
81301a9b 3256
47a8617c 3257 /*
2e0fef85
JS		 3258 * Set initial can_queue value since 0 is no longer supported and
3259 * scsi_add_host will fail. This will be adjusted later based on the
3260 * max xri value determined in hba setup.
47a8617c 3261 */
2e0fef85 3262 shost->can_queue = phba->cfg_hba_queue_depth - 10;
3de2a653 3263 if (dev != &phba->pcidev->dev) {
92d7f7b0
JS		 3264 shost->transportt = lpfc_vport_transport_template;
3265 vport->port_type = LPFC_NPIV_PORT;
3266 } else {
3267 shost->transportt = lpfc_transport_template;
3268 vport->port_type = LPFC_PHYSICAL_PORT;
3269 }
47a8617c 3270
2e0fef85
JS		 3271 /* Initialize all internally managed lists. */
3272 INIT_LIST_HEAD(&vport->fc_nodes);
da0436e9 3273 INIT_LIST_HEAD(&vport->rcv_buffer_list);
2e0fef85 3274 spin_lock_init(&vport->work_port_lock);
47a8617c 3275
2e0fef85
JS		 3276 init_timer(&vport->fc_disctmo);
3277 vport->fc_disctmo.function = lpfc_disc_timeout;
92d7f7b0 3278 vport->fc_disctmo.data = (unsigned long)vport;
47a8617c 3279
2e0fef85
JS		 3280 init_timer(&vport->fc_fdmitmo);
3281 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
92d7f7b0 3282 vport->fc_fdmitmo.data = (unsigned long)vport;
47a8617c 3283
2e0fef85
JS		 3284 init_timer(&vport->els_tmofunc);
3285 vport->els_tmofunc.function = lpfc_els_timeout;
92d7f7b0 3286 vport->els_tmofunc.data = (unsigned long)vport;
92494144
JS		 3287
3288 init_timer(&vport->delayed_disc_tmo);
3289 vport->delayed_disc_tmo.function = lpfc_delayed_disc_tmo;
3290 vport->delayed_disc_tmo.data = (unsigned long)vport;
3291
d139b9bd 3292 error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
2e0fef85
JS		 3293 if (error)
3294 goto out_put_shost;
47a8617c 3295
549e55cd 3296 spin_lock_irq(&phba->hbalock);
2e0fef85 3297 list_add_tail(&vport->listentry, &phba->port_list);
549e55cd 3298 spin_unlock_irq(&phba->hbalock);
2e0fef85 3299 return vport;
47a8617c 3300
2e0fef85
JS		 3301out_put_shost:
3302 scsi_host_put(shost);
3303out:
3304 return NULL;
47a8617c
JS		 3305}
3306
e59058c4 3307/**
3621a710 3308 * destroy_port - destroy an FC port
e59058c4
JS		 3309 * @vport: pointer to an lpfc virtual N_Port data structure.
3310 *
3311 * This routine destroys a FC port from the upper layer protocol. All the
3312 * resources associated with the port are released.
3313 **/
2e0fef85
JS		 3314void
3315destroy_port(struct lpfc_vport *vport)
47a8617c 3316{
92d7f7b0
JS		 3317 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3318 struct lpfc_hba *phba = vport->phba;
47a8617c 3319
858c9f6c 3320 lpfc_debugfs_terminate(vport);
92d7f7b0
JS		 3321 fc_remove_host(shost);
3322 scsi_remove_host(shost);
47a8617c 3323
92d7f7b0
JS		 3324 spin_lock_irq(&phba->hbalock);
3325 list_del_init(&vport->listentry);
3326 spin_unlock_irq(&phba->hbalock);
47a8617c 3327
92d7f7b0 3328 lpfc_cleanup(vport);
47a8617c 3329 return;
47a8617c
JS		 3330}
3331
e59058c4 3332/**
3621a710 3333 * lpfc_get_instance - Get a unique integer ID
e59058c4
JS		 3334 *
3335 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
3336 * uses the kernel idr facility to perform the task.
3337 *
3338 * Return codes:
3339 * instance - a unique integer ID allocated as the new instance.
3340 * -1 - lpfc get instance failed.
3341 **/
92d7f7b0
JS		 3342int
3343lpfc_get_instance(void)
3344{
ab516036
TH		 3345 int ret;
3346
3347 ret = idr_alloc(&lpfc_hba_index, NULL, 0, 0, GFP_KERNEL);
3348 return ret < 0 ? -1 : ret;
47a8617c
JS		 3349}
3350
e59058c4 3351/**
3621a710 3352 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
e59058c4
JS		 3353 * @shost: pointer to SCSI host data structure.
3354 * @time: elapsed time of the scan in jiffies.
3355 *
3356 * This routine is called by the SCSI layer with a SCSI host to determine
3357 * whether the scan host is finished.
3358 *
3359 * Note: there is no scan_start function as adapter initialization will have
3360 * asynchronously kicked off the link initialization.
3361 *
3362 * Return codes
3363 * 0 - SCSI host scan is not over yet.
3364 * 1 - SCSI host scan is over.
3365 **/
47a8617c
JS		 3366int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
3367{
2e0fef85
JS		 3368 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3369 struct lpfc_hba *phba = vport->phba;
858c9f6c 3370 int stat = 0;
47a8617c 3371
858c9f6c
JS		 3372 spin_lock_irq(shost->host_lock);
3373
51ef4c26 3374 if (vport->load_flag & FC_UNLOADING) {
858c9f6c
JS		 3375 stat = 1;
3376 goto finished;
3377 }
256ec0d0 3378 if (time >= msecs_to_jiffies(30 * 1000)) {
2e0fef85 3379 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 3380 "0461 Scanning longer than 30 "
3381 "seconds. Continuing initialization\n");
858c9f6c 3382 stat = 1;
47a8617c 3383 goto finished;
2e0fef85 3384 }
256ec0d0
JS		 3385 if (time >= msecs_to_jiffies(15 * 1000) &&
3386 phba->link_state <= LPFC_LINK_DOWN) {
2e0fef85 3387 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
e8b62011
JS		 3388 "0465 Link down longer than 15 "
3389 "seconds. Continuing initialization\n");
858c9f6c 3390 stat = 1;
47a8617c 3391 goto finished;
2e0fef85 3392 }
47a8617c 3393
2e0fef85 3394 if (vport->port_state != LPFC_VPORT_READY)
858c9f6c 3395 goto finished;
2e0fef85 3396 if (vport->num_disc_nodes || vport->fc_prli_sent)
858c9f6c 3397 goto finished;
256ec0d0 3398 if (vport->fc_map_cnt == 0 && time < msecs_to_jiffies(2 * 1000))
858c9f6c 3399 goto finished;
2e0fef85 3400 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
858c9f6c
JS		 3401 goto finished;
3402
3403 stat = 1;
47a8617c
JS		 3404
3405finished:
858c9f6c
JS		 3406 spin_unlock_irq(shost->host_lock);
3407 return stat;
92d7f7b0 3408}
47a8617c 3409
e59058c4 3410/**
3621a710 3411 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
e59058c4
JS		 3412 * @shost: pointer to SCSI host data structure.
3413 *
3414 * This routine initializes a given SCSI host attributes on a FC port. The
3415 * SCSI host can be either on top of a physical port or a virtual port.
3416 **/
92d7f7b0
JS		 3417void lpfc_host_attrib_init(struct Scsi_Host *shost)
3418{
3419 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
3420 struct lpfc_hba *phba = vport->phba;
47a8617c 3421 /*
2e0fef85 3422 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
47a8617c
JS		 3423 */
3424
2e0fef85
JS		 3425 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
3426 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
47a8617c
JS		 3427 fc_host_supported_classes(shost) = FC_COS_CLASS3;
3428
3429 memset(fc_host_supported_fc4s(shost), 0,
2e0fef85 3430 sizeof(fc_host_supported_fc4s(shost)));
47a8617c
JS		 3431 fc_host_supported_fc4s(shost)[2] = 1;
3432 fc_host_supported_fc4s(shost)[7] = 1;
3433
92d7f7b0
JS		 3434 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
3435 sizeof fc_host_symbolic_name(shost));
47a8617c
JS		 3436
3437 fc_host_supported_speeds(shost) = 0;
88a2cfbb
JS		 3438 if (phba->lmt & LMT_16Gb)
3439 fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT;
47a8617c
JS		 3440 if (phba->lmt & LMT_10Gb)
3441 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
a8adb832
JS		 3442 if (phba->lmt & LMT_8Gb)
3443 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
47a8617c
JS		 3444 if (phba->lmt & LMT_4Gb)
3445 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
3446 if (phba->lmt & LMT_2Gb)
3447 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
3448 if (phba->lmt & LMT_1Gb)
3449 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
3450
3451 fc_host_maxframe_size(shost) =
2e0fef85
JS		 3452 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
3453 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
47a8617c 3454
0af5d708
MC		 3455 fc_host_dev_loss_tmo(shost) = vport->cfg_devloss_tmo;
3456
47a8617c
JS		 3457 /* This value is also unchanging */
3458 memset(fc_host_active_fc4s(shost), 0,
2e0fef85 3459 sizeof(fc_host_active_fc4s(shost)));
47a8617c
JS		 3460 fc_host_active_fc4s(shost)[2] = 1;
3461 fc_host_active_fc4s(shost)[7] = 1;
3462
92d7f7b0 3463 fc_host_max_npiv_vports(shost) = phba->max_vpi;
47a8617c 3464 spin_lock_irq(shost->host_lock);
51ef4c26 3465 vport->load_flag &= ~FC_LOADING;
47a8617c 3466 spin_unlock_irq(shost->host_lock);
47a8617c 3467}
dea3101e 3468
e59058c4 3469/**
da0436e9 3470 * lpfc_stop_port_s3 - Stop SLI3 device port
e59058c4
JS		 3471 * @phba: pointer to lpfc hba data structure.
3472 *
da0436e9
JS		 3473 * This routine is invoked to stop an SLI3 device port, it stops the device
3474 * from generating interrupts and stops the device driver's timers for the
3475 * device.
e59058c4 3476 **/
da0436e9
JS		 3477static void
3478lpfc_stop_port_s3(struct lpfc_hba *phba)
db2378e0 3479{
da0436e9
JS		 3480 /* Clear all interrupt enable conditions */
3481 writel(0, phba->HCregaddr);
3482 readl(phba->HCregaddr); /* flush */
3483 /* Clear all pending interrupts */
3484 writel(0xffffffff, phba->HAregaddr);
3485 readl(phba->HAregaddr); /* flush */
db2378e0 3486
da0436e9
JS		 3487 /* Reset some HBA SLI setup states */
3488 lpfc_stop_hba_timers(phba);
3489 phba->pport->work_port_events = 0;
3490}
db2378e0 3491
da0436e9
JS		 3492/**
3493 * lpfc_stop_port_s4 - Stop SLI4 device port
3494 * @phba: pointer to lpfc hba data structure.
3495 *
3496 * This routine is invoked to stop an SLI4 device port, it stops the device
3497 * from generating interrupts and stops the device driver's timers for the
3498 * device.
3499 **/
3500static void
3501lpfc_stop_port_s4(struct lpfc_hba *phba)
3502{
3503 /* Reset some HBA SLI4 setup states */
3504 lpfc_stop_hba_timers(phba);
3505 phba->pport->work_port_events = 0;
3506 phba->sli4_hba.intr_enable = 0;
da0436e9 3507}
9399627f 3508
da0436e9
JS		 3509/**
3510 * lpfc_stop_port - Wrapper function for stopping hba port
3511 * @phba: Pointer to HBA context object.
3512 *
3513 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
3514 * the API jump table function pointer from the lpfc_hba struct.
3515 **/
3516void
3517lpfc_stop_port(struct lpfc_hba *phba)
3518{
3519 phba->lpfc_stop_port(phba);
3520}
db2378e0 3521
ecfd03c6
JS		 3522/**
3523 * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
3524 * @phba: Pointer to hba for which this call is being executed.
3525 *
3526 * This routine starts the timer waiting for the FCF rediscovery to complete.
3527 **/
3528void
3529lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba)
3530{
3531 unsigned long fcf_redisc_wait_tmo =
3532 (jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO));
3533 /* Start fcf rediscovery wait period timer */
3534 mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo);
3535 spin_lock_irq(&phba->hbalock);
3536 /* Allow action to new fcf asynchronous event */
3537 phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
3538 /* Mark the FCF rediscovery pending state */
3539 phba->fcf.fcf_flag |= FCF_REDISC_PEND;
3540 spin_unlock_irq(&phba->hbalock);
3541}
3542
3543/**
3544 * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
3545 * @ptr: Map to lpfc_hba data structure pointer.
3546 *
3547 * This routine is invoked when waiting for FCF table rediscover has been
3548 * timed out. If new FCF record(s) has (have) been discovered during the
3549 * wait period, a new FCF event shall be added to the FCOE async event
3550 * list, and then worker thread shall be waked up for processing from the
3551 * worker thread context.
3552 **/
e399b228 3553static void
ecfd03c6
JS		 3554lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr)
3555{
3556 struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
3557
3558 /* Don't send FCF rediscovery event if timer cancelled */
3559 spin_lock_irq(&phba->hbalock);
3560 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
3561 spin_unlock_irq(&phba->hbalock);
3562 return;
3563 }
3564 /* Clear FCF rediscovery timer pending flag */
3565 phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
3566 /* FCF rediscovery event to worker thread */
3567 phba->fcf.fcf_flag |= FCF_REDISC_EVT;
3568 spin_unlock_irq(&phba->hbalock);
0c9ab6f5 3569 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
a93ff37a 3570 "2776 FCF rediscover quiescent timer expired\n");
ecfd03c6
JS		 3571 /* wake up worker thread */
3572 lpfc_worker_wake_up(phba);
3573}
3574
e59058c4 3575/**
da0436e9 3576 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
e59058c4 3577 * @phba: pointer to lpfc hba data structure.
da0436e9 3578 * @acqe_link: pointer to the async link completion queue entry.
e59058c4 3579 *
da0436e9
JS		 3580 * This routine is to parse the SLI4 link-attention link fault code and
3581 * translate it into the base driver's read link attention mailbox command
3582 * status.
3583 *
3584 * Return: Link-attention status in terms of base driver's coding.
e59058c4 3585 **/
da0436e9
JS		 3586static uint16_t
3587lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba,
3588 struct lpfc_acqe_link *acqe_link)
db2378e0 3589{
da0436e9 3590 uint16_t latt_fault;
9399627f 3591
da0436e9
JS		 3592 switch (bf_get(lpfc_acqe_link_fault, acqe_link)) {
3593 case LPFC_ASYNC_LINK_FAULT_NONE:
3594 case LPFC_ASYNC_LINK_FAULT_LOCAL:
3595 case LPFC_ASYNC_LINK_FAULT_REMOTE:
3596 latt_fault = 0;
3597 break;
3598 default:
3599 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3600 "0398 Invalid link fault code: x%x\n",
3601 bf_get(lpfc_acqe_link_fault, acqe_link));
3602 latt_fault = MBXERR_ERROR;
3603 break;
3604 }
3605 return latt_fault;
db2378e0
JS		 3606}
3607
5b75da2f 3608/**
da0436e9 3609 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
5b75da2f 3610 * @phba: pointer to lpfc hba data structure.
da0436e9 3611 * @acqe_link: pointer to the async link completion queue entry.
5b75da2f 3612 *
da0436e9
JS		 3613 * This routine is to parse the SLI4 link attention type and translate it
3614 * into the base driver's link attention type coding.
5b75da2f 3615 *
da0436e9
JS		 3616 * Return: Link attention type in terms of base driver's coding.
3617 **/
3618static uint8_t
3619lpfc_sli4_parse_latt_type(struct lpfc_hba *phba,
3620 struct lpfc_acqe_link *acqe_link)
5b75da2f 3621{
da0436e9 3622 uint8_t att_type;
5b75da2f 3623
da0436e9
JS		 3624 switch (bf_get(lpfc_acqe_link_status, acqe_link)) {
3625 case LPFC_ASYNC_LINK_STATUS_DOWN:
3626 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN:
76a95d75 3627 att_type = LPFC_ATT_LINK_DOWN;
da0436e9
JS		 3628 break;
3629 case LPFC_ASYNC_LINK_STATUS_UP:
3630 /* Ignore physical link up events - wait for logical link up */
76a95d75 3631 att_type = LPFC_ATT_RESERVED;
da0436e9
JS		 3632 break;
3633 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP:
76a95d75 3634 att_type = LPFC_ATT_LINK_UP;
da0436e9
JS		 3635 break;
3636 default:
3637 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3638 "0399 Invalid link attention type: x%x\n",
3639 bf_get(lpfc_acqe_link_status, acqe_link));
76a95d75 3640 att_type = LPFC_ATT_RESERVED;
da0436e9 3641 break;
5b75da2f 3642 }
da0436e9 3643 return att_type;
5b75da2f
JS		 3644}
3645
3646/**
da0436e9 3647 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
5b75da2f 3648 * @phba: pointer to lpfc hba data structure.
da0436e9 3649 * @acqe_link: pointer to the async link completion queue entry.
5b75da2f 3650 *
da0436e9
JS		 3651 * This routine is to parse the SLI4 link-attention link speed and translate
3652 * it into the base driver's link-attention link speed coding.
3653 *
3654 * Return: Link-attention link speed in terms of base driver's coding.
3655 **/
3656static uint8_t
3657lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba,
3658 struct lpfc_acqe_link *acqe_link)
5b75da2f 3659{
da0436e9
JS		 3660 uint8_t link_speed;
3661
3662 switch (bf_get(lpfc_acqe_link_speed, acqe_link)) {
3663 case LPFC_ASYNC_LINK_SPEED_ZERO:
da0436e9 3664 case LPFC_ASYNC_LINK_SPEED_10MBPS:
da0436e9 3665 case LPFC_ASYNC_LINK_SPEED_100MBPS:
76a95d75 3666 link_speed = LPFC_LINK_SPEED_UNKNOWN;
da0436e9
JS		 3667 break;
3668 case LPFC_ASYNC_LINK_SPEED_1GBPS:
76a95d75 3669 link_speed = LPFC_LINK_SPEED_1GHZ;
da0436e9
JS		 3670 break;
3671 case LPFC_ASYNC_LINK_SPEED_10GBPS:
76a95d75 3672 link_speed = LPFC_LINK_SPEED_10GHZ;
da0436e9
JS		 3673 break;
3674 default:
3675 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3676 "0483 Invalid link-attention link speed: x%x\n",
3677 bf_get(lpfc_acqe_link_speed, acqe_link));
76a95d75 3678 link_speed = LPFC_LINK_SPEED_UNKNOWN;
da0436e9
JS		 3679 break;
3680 }
3681 return link_speed;
3682}
3683
8b68cd52
JS		 3684/**
3685 * lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
3686 * @phba: pointer to lpfc hba data structure.
3687 *
3688 * This routine is to get an SLI3 FC port's link speed in Mbps.
3689 *
3690 * Return: link speed in terms of Mbps.
3691 **/
3692uint32_t
3693lpfc_sli_port_speed_get(struct lpfc_hba *phba)
3694{
3695 uint32_t link_speed;
3696
3697 if (!lpfc_is_link_up(phba))
3698 return 0;
3699
3700 switch (phba->fc_linkspeed) {
3701 case LPFC_LINK_SPEED_1GHZ:
3702 link_speed = 1000;
3703 break;
3704 case LPFC_LINK_SPEED_2GHZ:
3705 link_speed = 2000;
3706 break;
3707 case LPFC_LINK_SPEED_4GHZ:
3708 link_speed = 4000;
3709 break;
3710 case LPFC_LINK_SPEED_8GHZ:
3711 link_speed = 8000;
3712 break;
3713 case LPFC_LINK_SPEED_10GHZ:
3714 link_speed = 10000;
3715 break;
3716 case LPFC_LINK_SPEED_16GHZ:
3717 link_speed = 16000;
3718 break;
3719 default:
3720 link_speed = 0;
3721 }
3722 return link_speed;
3723}
3724
3725/**
3726 * lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
3727 * @phba: pointer to lpfc hba data structure.
3728 * @evt_code: asynchronous event code.
3729 * @speed_code: asynchronous event link speed code.
3730 *
3731 * This routine is to parse the giving SLI4 async event link speed code into
3732 * value of Mbps for the link speed.
3733 *
3734 * Return: link speed in terms of Mbps.
3735 **/
3736static uint32_t
3737lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code,
3738 uint8_t speed_code)
3739{
3740 uint32_t port_speed;
3741
3742 switch (evt_code) {
3743 case LPFC_TRAILER_CODE_LINK:
3744 switch (speed_code) {
3745 case LPFC_EVT_CODE_LINK_NO_LINK:
3746 port_speed = 0;
3747 break;
3748 case LPFC_EVT_CODE_LINK_10_MBIT:
3749 port_speed = 10;
3750 break;
3751 case LPFC_EVT_CODE_LINK_100_MBIT:
3752 port_speed = 100;
3753 break;
3754 case LPFC_EVT_CODE_LINK_1_GBIT:
3755 port_speed = 1000;
3756 break;
3757 case LPFC_EVT_CODE_LINK_10_GBIT:
3758 port_speed = 10000;
3759 break;
3760 default:
3761 port_speed = 0;
3762 }
3763 break;
3764 case LPFC_TRAILER_CODE_FC:
3765 switch (speed_code) {
3766 case LPFC_EVT_CODE_FC_NO_LINK:
3767 port_speed = 0;
3768 break;
3769 case LPFC_EVT_CODE_FC_1_GBAUD:
3770 port_speed = 1000;
3771 break;
3772 case LPFC_EVT_CODE_FC_2_GBAUD:
3773 port_speed = 2000;
3774 break;
3775 case LPFC_EVT_CODE_FC_4_GBAUD:
3776 port_speed = 4000;
3777 break;
3778 case LPFC_EVT_CODE_FC_8_GBAUD:
3779 port_speed = 8000;
3780 break;
3781 case LPFC_EVT_CODE_FC_10_GBAUD:
3782 port_speed = 10000;
3783 break;
3784 case LPFC_EVT_CODE_FC_16_GBAUD:
3785 port_speed = 16000;
3786 break;
3787 default:
3788 port_speed = 0;
3789 }
3790 break;
3791 default:
3792 port_speed = 0;
3793 }
3794 return port_speed;
3795}
3796
da0436e9 3797/**
70f3c073 3798 * lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
da0436e9
JS		 3799 * @phba: pointer to lpfc hba data structure.
3800 * @acqe_link: pointer to the async link completion queue entry.
3801 *
70f3c073 3802 * This routine is to handle the SLI4 asynchronous FCoE link event.
da0436e9
JS		 3803 **/
3804static void
3805lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
3806 struct lpfc_acqe_link *acqe_link)
3807{
3808 struct lpfc_dmabuf *mp;
3809 LPFC_MBOXQ_t *pmb;
3810 MAILBOX_t *mb;
76a95d75 3811 struct lpfc_mbx_read_top *la;
da0436e9 3812 uint8_t att_type;
76a95d75 3813 int rc;
da0436e9
JS		 3814
3815 att_type = lpfc_sli4_parse_latt_type(phba, acqe_link);
76a95d75 3816 if (att_type != LPFC_ATT_LINK_DOWN && att_type != LPFC_ATT_LINK_UP)
da0436e9 3817 return;
32b9793f 3818 phba->fcoe_eventtag = acqe_link->event_tag;
da0436e9
JS		 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 "0395 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 "0396 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 "0397 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
76a95d75
JS		 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;
da0436e9
JS		 3850 pmb->vport = phba->pport;
3851
da0436e9
JS		 3852 /* Keep the link status for extra SLI4 state machine reference */
3853 phba->sli4_hba.link_state.speed =
8b68cd52
JS		 3854 lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK,
3855 bf_get(lpfc_acqe_link_speed, acqe_link));
da0436e9
JS		 3856 phba->sli4_hba.link_state.duplex =
3857 bf_get(lpfc_acqe_link_duplex, acqe_link);
3858 phba->sli4_hba.link_state.status =
3859 bf_get(lpfc_acqe_link_status, acqe_link);
70f3c073
JS		 3860 phba->sli4_hba.link_state.type =
3861 bf_get(lpfc_acqe_link_type, acqe_link);
3862 phba->sli4_hba.link_state.number =
3863 bf_get(lpfc_acqe_link_number, acqe_link);
da0436e9
JS		 3864 phba->sli4_hba.link_state.fault =
3865 bf_get(lpfc_acqe_link_fault, acqe_link);
65467b6b 3866 phba->sli4_hba.link_state.logical_speed =
8b68cd52
JS		 3867 bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10;
3868
70f3c073 3869 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
c31098ce
JS		 3870 "2900 Async FC/FCoE Link event - Speed:%dGBit "
3871 "duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
3872 "Logical speed:%dMbps Fault:%d\n",
70f3c073
JS		 3873 phba->sli4_hba.link_state.speed,
3874 phba->sli4_hba.link_state.topology,
3875 phba->sli4_hba.link_state.status,
3876 phba->sli4_hba.link_state.type,
3877 phba->sli4_hba.link_state.number,
8b68cd52 3878 phba->sli4_hba.link_state.logical_speed,
70f3c073 3879 phba->sli4_hba.link_state.fault);
76a95d75
JS		 3880 /*
3881 * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
3882 * topology info. Note: Optional for non FC-AL ports.
3883 */
3884 if (!(phba->hba_flag & HBA_FCOE_MODE)) {
3885 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
3886 if (rc == MBX_NOT_FINISHED)
3887 goto out_free_dmabuf;
3888 return;
3889 }
3890 /*
3891 * For FCoE Mode: fill in all the topology information we need and call
3892 * the READ_TOPOLOGY completion routine to continue without actually
3893 * sending the READ_TOPOLOGY mailbox command to the port.
3894 */
3895 /* Parse and translate status field */
3896 mb = &pmb->u.mb;
3897 mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link);
3898
3899 /* Parse and translate link attention fields */
3900 la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop;
3901 la->eventTag = acqe_link->event_tag;
3902 bf_set(lpfc_mbx_read_top_att_type, la, att_type);
3903 bf_set(lpfc_mbx_read_top_link_spd, la,
3904 lpfc_sli4_parse_latt_link_speed(phba, acqe_link));
3905
3906 /* Fake the the following irrelvant fields */
3907 bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT);
3908 bf_set(lpfc_mbx_read_top_alpa_granted, la, 0);
3909 bf_set(lpfc_mbx_read_top_il, la, 0);
3910 bf_set(lpfc_mbx_read_top_pb, la, 0);
3911 bf_set(lpfc_mbx_read_top_fa, la, 0);
3912 bf_set(lpfc_mbx_read_top_mm, la, 0);
da0436e9
JS		 3913
3914 /* Invoke the lpfc_handle_latt mailbox command callback function */
76a95d75 3915 lpfc_mbx_cmpl_read_topology(phba, pmb);
da0436e9 3916
5b75da2f 3917 return;
da0436e9
JS		 3918
3919out_free_dmabuf:
3920 kfree(mp);
3921out_free_pmb:
3922 mempool_free(pmb, phba->mbox_mem_pool);
3923}
3924
70f3c073
JS		 3925/**
3926 * lpfc_sli4_async_fc_evt - Process the asynchronous FC link event
3927 * @phba: pointer to lpfc hba data structure.
3928 * @acqe_fc: pointer to the async fc completion queue entry.
3929 *
3930 * This routine is to handle the SLI4 asynchronous FC event. It will simply log
3931 * that the event was received and then issue a read_topology mailbox command so
3932 * that the rest of the driver will treat it the same as SLI3.
3933 **/
3934static void
3935lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
3936{
3937 struct lpfc_dmabuf *mp;
3938 LPFC_MBOXQ_t *pmb;
3939 int rc;
3940
3941 if (bf_get(lpfc_trailer_type, acqe_fc) !=
3942 LPFC_FC_LA_EVENT_TYPE_FC_LINK) {
3943 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3944 "2895 Non FC link Event detected.(%d)\n",
3945 bf_get(lpfc_trailer_type, acqe_fc));
3946 return;
3947 }
3948 /* Keep the link status for extra SLI4 state machine reference */
3949 phba->sli4_hba.link_state.speed =
8b68cd52
JS		 3950 lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC,
3951 bf_get(lpfc_acqe_fc_la_speed, acqe_fc));
70f3c073
JS		 3952 phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL;
3953 phba->sli4_hba.link_state.topology =
3954 bf_get(lpfc_acqe_fc_la_topology, acqe_fc);
3955 phba->sli4_hba.link_state.status =
3956 bf_get(lpfc_acqe_fc_la_att_type, acqe_fc);
3957 phba->sli4_hba.link_state.type =
3958 bf_get(lpfc_acqe_fc_la_port_type, acqe_fc);
3959 phba->sli4_hba.link_state.number =
3960 bf_get(lpfc_acqe_fc_la_port_number, acqe_fc);
3961 phba->sli4_hba.link_state.fault =
3962 bf_get(lpfc_acqe_link_fault, acqe_fc);
3963 phba->sli4_hba.link_state.logical_speed =
8b68cd52 3964 bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10;
70f3c073
JS		 3965 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3966 "2896 Async FC event - Speed:%dGBaud Topology:x%x "
3967 "LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
3968 "%dMbps Fault:%d\n",
3969 phba->sli4_hba.link_state.speed,
3970 phba->sli4_hba.link_state.topology,
3971 phba->sli4_hba.link_state.status,
3972 phba->sli4_hba.link_state.type,
3973 phba->sli4_hba.link_state.number,
8b68cd52 3974 phba->sli4_hba.link_state.logical_speed,
70f3c073
JS		 3975 phba->sli4_hba.link_state.fault);
3976 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3977 if (!pmb) {
3978 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3979 "2897 The mboxq allocation failed\n");
3980 return;
3981 }
3982 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3983 if (!mp) {
3984 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3985 "2898 The lpfc_dmabuf allocation failed\n");
3986 goto out_free_pmb;
3987 }
3988 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
3989 if (!mp->virt) {
3990 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3991 "2899 The mbuf allocation failed\n");
3992 goto out_free_dmabuf;
3993 }
3994
3995 /* Cleanup any outstanding ELS commands */
3996 lpfc_els_flush_all_cmd(phba);
3997
3998 /* Block ELS IOCBs until we have done process link event */
3999 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
4000
4001 /* Update link event statistics */
4002 phba->sli.slistat.link_event++;
4003
4004 /* Create lpfc_handle_latt mailbox command from link ACQE */
4005 lpfc_read_topology(phba, pmb, mp);
4006 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
4007 pmb->vport = phba->pport;
4008
4009 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
4010 if (rc == MBX_NOT_FINISHED)
4011 goto out_free_dmabuf;
4012 return;
4013
4014out_free_dmabuf:
4015 kfree(mp);
4016out_free_pmb:
4017 mempool_free(pmb, phba->mbox_mem_pool);
4018}
4019
4020/**
4021 * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event
4022 * @phba: pointer to lpfc hba data structure.
4023 * @acqe_fc: pointer to the async SLI completion queue entry.
4024 *
4025 * This routine is to handle the SLI4 asynchronous SLI events.
4026 **/
4027static void
4028lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli)
4029{
4b8bae08 4030 char port_name;
8c1312e1 4031 char message[128];
4b8bae08
JS		 4032 uint8_t status;
4033 struct lpfc_acqe_misconfigured_event *misconfigured;
4034
4035 /* special case misconfigured event as it contains data for all ports */
4036 if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
4037 LPFC_SLI_INTF_IF_TYPE_2) ||
4038 (bf_get(lpfc_trailer_type, acqe_sli) !=
4039 LPFC_SLI_EVENT_TYPE_MISCONFIGURED)) {
4040 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4041 "2901 Async SLI event - Event Data1:x%08x Event Data2:"
4042 "x%08x SLI Event Type:%d\n",
4043 acqe_sli->event_data1, acqe_sli->event_data2,
4044 bf_get(lpfc_trailer_type, acqe_sli));
4045 return;
4046 }
4047
4048 port_name = phba->Port[0];
4049 if (port_name == 0x00)
4050 port_name = '?'; /* get port name is empty */
4051
4052 misconfigured = (struct lpfc_acqe_misconfigured_event *)
4053 &acqe_sli->event_data1;
4054
4055 /* fetch the status for this port */
4056 switch (phba->sli4_hba.lnk_info.lnk_no) {
4057 case LPFC_LINK_NUMBER_0:
4058 status = bf_get(lpfc_sli_misconfigured_port0,
4059 &misconfigured->theEvent);
4060 break;
4061 case LPFC_LINK_NUMBER_1:
4062 status = bf_get(lpfc_sli_misconfigured_port1,
4063 &misconfigured->theEvent);
4064 break;
4065 case LPFC_LINK_NUMBER_2:
4066 status = bf_get(lpfc_sli_misconfigured_port2,
4067 &misconfigured->theEvent);
4068 break;
4069 case LPFC_LINK_NUMBER_3:
4070 status = bf_get(lpfc_sli_misconfigured_port3,
4071 &misconfigured->theEvent);
4072 break;
4073 default:
4074 status = ~LPFC_SLI_EVENT_STATUS_VALID;
4075 break;
4076 }
4077
4078 switch (status) {
4079 case LPFC_SLI_EVENT_STATUS_VALID:
4080 return; /* no message if the sfp is okay */
4081 case LPFC_SLI_EVENT_STATUS_NOT_PRESENT:
292098be
JS		 4082 sprintf(message, "Optics faulted/incorrectly installed/not " \
4083 "installed - Reseat optics, if issue not "
4084 "resolved, replace.");
4b8bae08
JS		 4085 break;
4086 case LPFC_SLI_EVENT_STATUS_WRONG_TYPE:
4087 sprintf(message,
292098be
JS		 4088 "Optics of two types installed - Remove one optic or " \
4089 "install matching pair of optics.");
4b8bae08
JS		 4090 break;
4091 case LPFC_SLI_EVENT_STATUS_UNSUPPORTED:
292098be
JS		 4092 sprintf(message, "Incompatible optics - Replace with " \
4093 "compatible optics for card to function.");
4b8bae08
JS		 4094 break;
4095 default:
4096 /* firmware is reporting a status we don't know about */
4097 sprintf(message, "Unknown event status x%02x", status);
4098 break;
4099 }
4100
4101 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4102 "3176 Misconfigured Physical Port - "
4103 "Port Name %c %s\n", port_name, message);
70f3c073
JS		 4104}
4105
fc2b989b
JS		 4106/**
4107 * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
4108 * @vport: pointer to vport data structure.
4109 *
4110 * This routine is to perform Clear Virtual Link (CVL) on a vport in
4111 * response to a CVL event.
4112 *
4113 * Return the pointer to the ndlp with the vport if successful, otherwise
4114 * return NULL.
4115 **/
4116static struct lpfc_nodelist *
4117lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
4118{
4119 struct lpfc_nodelist *ndlp;
4120 struct Scsi_Host *shost;
4121 struct lpfc_hba *phba;
4122
4123 if (!vport)
4124 return NULL;
fc2b989b
JS		 4125 phba = vport->phba;
4126 if (!phba)
4127 return NULL;
78730cfe
JS		 4128 ndlp = lpfc_findnode_did(vport, Fabric_DID);
4129 if (!ndlp) {
4130 /* Cannot find existing Fabric ndlp, so allocate a new one */
4131 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
4132 if (!ndlp)
4133 return 0;
4134 lpfc_nlp_init(vport, ndlp, Fabric_DID);
4135 /* Set the node type */
4136 ndlp->nlp_type |= NLP_FABRIC;
4137 /* Put ndlp onto node list */
4138 lpfc_enqueue_node(vport, ndlp);
4139 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
4140 /* re-setup ndlp without removing from node list */
4141 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
4142 if (!ndlp)
4143 return 0;
4144 }
63e801ce
JS		 4145 if ((phba->pport->port_state < LPFC_FLOGI) &&
4146 (phba->pport->port_state != LPFC_VPORT_FAILED))
fc2b989b
JS		 4147 return NULL;
4148 /* If virtual link is not yet instantiated ignore CVL */
63e801ce
JS		 4149 if ((vport != phba->pport) && (vport->port_state < LPFC_FDISC)
4150 && (vport->port_state != LPFC_VPORT_FAILED))
fc2b989b
JS		 4151 return NULL;
4152 shost = lpfc_shost_from_vport(vport);
4153 if (!shost)
4154 return NULL;
4155 lpfc_linkdown_port(vport);
4156 lpfc_cleanup_pending_mbox(vport);
4157 spin_lock_irq(shost->host_lock);
4158 vport->fc_flag |= FC_VPORT_CVL_RCVD;
4159 spin_unlock_irq(shost->host_lock);
4160
4161 return ndlp;
4162}
4163
4164/**
4165 * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
4166 * @vport: pointer to lpfc hba data structure.
4167 *
4168 * This routine is to perform Clear Virtual Link (CVL) on all vports in
4169 * response to a FCF dead event.
4170 **/
4171static void
4172lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba)
4173{
4174 struct lpfc_vport **vports;
4175 int i;
4176
4177 vports = lpfc_create_vport_work_array(phba);
4178 if (vports)
4179 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
4180 lpfc_sli4_perform_vport_cvl(vports[i]);
4181 lpfc_destroy_vport_work_array(phba, vports);
4182}
4183
da0436e9 4184/**
76a95d75 4185 * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event
da0436e9
JS		 4186 * @phba: pointer to lpfc hba data structure.
4187 * @acqe_link: pointer to the async fcoe completion queue entry.
4188 *
4189 * This routine is to handle the SLI4 asynchronous fcoe event.
4190 **/
4191static void
76a95d75 4192lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
70f3c073 4193 struct lpfc_acqe_fip *acqe_fip)
da0436e9 4194{
70f3c073 4195 uint8_t event_type = bf_get(lpfc_trailer_type, acqe_fip);
da0436e9 4196 int rc;
6669f9bb
JS		 4197 struct lpfc_vport *vport;
4198 struct lpfc_nodelist *ndlp;
4199 struct Scsi_Host *shost;
695a814e
JS		 4200 int active_vlink_present;
4201 struct lpfc_vport **vports;
4202 int i;
da0436e9 4203
70f3c073
JS		 4204 phba->fc_eventTag = acqe_fip->event_tag;
4205 phba->fcoe_eventtag = acqe_fip->event_tag;
da0436e9 4206 switch (event_type) {
70f3c073
JS		 4207 case LPFC_FIP_EVENT_TYPE_NEW_FCF:
4208 case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD:
4209 if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF)
999d813f
JS		 4210 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4211 LOG_DISCOVERY,
a93ff37a
JS		 4212 "2546 New FCF event, evt_tag:x%x, "
4213 "index:x%x\n",
70f3c073
JS		 4214 acqe_fip->event_tag,
4215 acqe_fip->index);
999d813f
JS		 4216 else
4217 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP |
4218 LOG_DISCOVERY,
a93ff37a
JS		 4219 "2788 FCF param modified event, "
4220 "evt_tag:x%x, index:x%x\n",
70f3c073
JS		 4221 acqe_fip->event_tag,
4222 acqe_fip->index);
38b92ef8 4223 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
0c9ab6f5
JS		 4224 /*
4225 * During period of FCF discovery, read the FCF
4226 * table record indexed by the event to update
a93ff37a 4227 * FCF roundrobin failover eligible FCF bmask.
0c9ab6f5
JS		 4228 */
4229 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
4230 LOG_DISCOVERY,
a93ff37a
JS		 4231 "2779 Read FCF (x%x) for updating "
4232 "roundrobin FCF failover bmask\n",
70f3c073
JS		 4233 acqe_fip->index);
4234 rc = lpfc_sli4_read_fcf_rec(phba, acqe_fip->index);
0c9ab6f5 4235 }
38b92ef8
JS		 4236
4237 /* If the FCF discovery is in progress, do nothing. */
3804dc84 4238 spin_lock_irq(&phba->hbalock);
a93ff37a 4239 if (phba->hba_flag & FCF_TS_INPROG) {
38b92ef8
JS		 4240 spin_unlock_irq(&phba->hbalock);
4241 break;
4242 }
4243 /* If fast FCF failover rescan event is pending, do nothing */
4244 if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
4245 spin_unlock_irq(&phba->hbalock);
4246 break;
4247 }
4248
c2b9712e
JS		 4249 /* If the FCF has been in discovered state, do nothing. */
4250 if (phba->fcf.fcf_flag & FCF_SCAN_DONE) {
3804dc84
JS		 4251 spin_unlock_irq(&phba->hbalock);
4252 break;
4253 }
4254 spin_unlock_irq(&phba->hbalock);
38b92ef8 4255
0c9ab6f5
JS		 4256 /* Otherwise, scan the entire FCF table and re-discover SAN */
4257 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
a93ff37a
JS		 4258 "2770 Start FCF table scan per async FCF "
4259 "event, evt_tag:x%x, index:x%x\n",
70f3c073 4260 acqe_fip->event_tag, acqe_fip->index);
0c9ab6f5
JS		 4261 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
4262 LPFC_FCOE_FCF_GET_FIRST);
da0436e9 4263 if (rc)
0c9ab6f5
JS		 4264 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
4265 "2547 Issue FCF scan read FCF mailbox "
a93ff37a 4266 "command failed (x%x)\n", rc);
da0436e9
JS		 4267 break;
4268
70f3c073 4269 case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL:
da0436e9 4270 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
e4e74273 4271 "2548 FCF Table full count 0x%x tag 0x%x\n",
70f3c073
JS		 4272 bf_get(lpfc_acqe_fip_fcf_count, acqe_fip),
4273 acqe_fip->event_tag);
da0436e9
JS		 4274 break;
4275
70f3c073 4276 case LPFC_FIP_EVENT_TYPE_FCF_DEAD:
80c17849 4277 phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
0c9ab6f5 4278 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
a93ff37a 4279 "2549 FCF (x%x) disconnected from network, "
70f3c073 4280 "tag:x%x\n", acqe_fip->index, acqe_fip->event_tag);
38b92ef8
JS		 4281 /*
4282 * If we are in the middle of FCF failover process, clear
4283 * the corresponding FCF bit in the roundrobin bitmap.
da0436e9 4284 */
fc2b989b 4285 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4286 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
fc2b989b 4287 spin_unlock_irq(&phba->hbalock);
0c9ab6f5 4288 /* Update FLOGI FCF failover eligible FCF bmask */
70f3c073 4289 lpfc_sli4_fcf_rr_index_clear(phba, acqe_fip->index);
fc2b989b
JS		 4290 break;
4291 }
38b92ef8
JS		 4292 spin_unlock_irq(&phba->hbalock);
4293
4294 /* If the event is not for currently used fcf do nothing */
70f3c073 4295 if (phba->fcf.current_rec.fcf_indx != acqe_fip->index)
38b92ef8
JS		 4296 break;
4297
4298 /*
4299 * Otherwise, request the port to rediscover the entire FCF
4300 * table for a fast recovery from case that the current FCF
4301 * is no longer valid as we are not in the middle of FCF
4302 * failover process already.
4303 */
c2b9712e
JS		 4304 spin_lock_irq(&phba->hbalock);
4305 /* Mark the fast failover process in progress */
4306 phba->fcf.fcf_flag |= FCF_DEAD_DISC;
4307 spin_unlock_irq(&phba->hbalock);
4308
4309 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
4310 "2771 Start FCF fast failover process due to "
4311 "FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
4312 "\n", acqe_fip->event_tag, acqe_fip->index);
4313 rc = lpfc_sli4_redisc_fcf_table(phba);
4314 if (rc) {
4315 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4316 LOG_DISCOVERY,
4317 "2772 Issue FCF rediscover mabilbox "
4318 "command failed, fail through to FCF "
4319 "dead event\n");
4320 spin_lock_irq(&phba->hbalock);
4321 phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
4322 spin_unlock_irq(&phba->hbalock);
4323 /*
4324 * Last resort will fail over by treating this
4325 * as a link down to FCF registration.
4326 */
4327 lpfc_sli4_fcf_dead_failthrough(phba);
4328 } else {
4329 /* Reset FCF roundrobin bmask for new discovery */
4330 lpfc_sli4_clear_fcf_rr_bmask(phba);
4331 /*
4332 * Handling fast FCF failover to a DEAD FCF event is
4333 * considered equalivant to receiving CVL to all vports.
4334 */
4335 lpfc_sli4_perform_all_vport_cvl(phba);
4336 }
da0436e9 4337 break;
70f3c073 4338 case LPFC_FIP_EVENT_TYPE_CVL:
80c17849 4339 phba->fcoe_cvl_eventtag = acqe_fip->event_tag;
0c9ab6f5 4340 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
6669f9bb 4341 "2718 Clear Virtual Link Received for VPI 0x%x"
70f3c073 4342 " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag);
6d368e53 4343
6669f9bb 4344 vport = lpfc_find_vport_by_vpid(phba,
5248a749 4345 acqe_fip->index);
fc2b989b 4346 ndlp = lpfc_sli4_perform_vport_cvl(vport);
6669f9bb
JS		 4347 if (!ndlp)
4348 break;
695a814e
JS		 4349 active_vlink_present = 0;
4350
4351 vports = lpfc_create_vport_work_array(phba);
4352 if (vports) {
4353 for (i = 0; i <= phba->max_vports && vports[i] != NULL;
4354 i++) {
4355 if ((!(vports[i]->fc_flag &
4356 FC_VPORT_CVL_RCVD)) &&
4357 (vports[i]->port_state > LPFC_FDISC)) {
4358 active_vlink_present = 1;
4359 break;
4360 }
4361 }
4362 lpfc_destroy_vport_work_array(phba, vports);
4363 }
4364
4365 if (active_vlink_present) {
4366 /*
4367 * If there are other active VLinks present,
4368 * re-instantiate the Vlink using FDISC.
4369 */
256ec0d0
JS		 4370 mod_timer(&ndlp->nlp_delayfunc,
4371 jiffies + msecs_to_jiffies(1000));
fc2b989b 4372 shost = lpfc_shost_from_vport(vport);
6669f9bb
JS		 4373 spin_lock_irq(shost->host_lock);
4374 ndlp->nlp_flag |= NLP_DELAY_TMO;
4375 spin_unlock_irq(shost->host_lock);
695a814e
JS		 4376 ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
4377 vport->port_state = LPFC_FDISC;
4378 } else {
ecfd03c6
JS		 4379 /*
4380 * Otherwise, we request port to rediscover
4381 * the entire FCF table for a fast recovery
4382 * from possible case that the current FCF
0c9ab6f5
JS		 4383 * is no longer valid if we are not already
4384 * in the FCF failover process.
ecfd03c6 4385 */
fc2b989b 4386 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4387 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
fc2b989b
JS		 4388 spin_unlock_irq(&phba->hbalock);
4389 break;
4390 }
4391 /* Mark the fast failover process in progress */
0c9ab6f5 4392 phba->fcf.fcf_flag |= FCF_ACVL_DISC;
fc2b989b 4393 spin_unlock_irq(&phba->hbalock);
0c9ab6f5
JS		 4394 lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
4395 LOG_DISCOVERY,
a93ff37a 4396 "2773 Start FCF failover per CVL, "
70f3c073 4397 "evt_tag:x%x\n", acqe_fip->event_tag);
ecfd03c6 4398 rc = lpfc_sli4_redisc_fcf_table(phba);
fc2b989b 4399 if (rc) {
0c9ab6f5
JS		 4400 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
4401 LOG_DISCOVERY,
4402 "2774 Issue FCF rediscover "
4403 "mabilbox command failed, "
4404 "through to CVL event\n");
fc2b989b 4405 spin_lock_irq(&phba->hbalock);
0c9ab6f5 4406 phba->fcf.fcf_flag &= ~FCF_ACVL_DISC;
fc2b989b 4407 spin_unlock_irq(&phba->hbalock);
ecfd03c6
JS		 4408 /*
4409 * Last resort will be re-try on the
4410 * the current registered FCF entry.
4411 */
4412 lpfc_retry_pport_discovery(phba);
38b92ef8
JS		 4413 } else
4414 /*
4415 * Reset FCF roundrobin bmask for new
4416 * discovery.
4417 */
7d791df7 4418 lpfc_sli4_clear_fcf_rr_bmask(phba);
6669f9bb
JS		 4419 }
4420 break;
da0436e9
JS		 4421 default:
4422 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4423 "0288 Unknown FCoE event type 0x%x event tag "
70f3c073 4424 "0x%x\n", event_type, acqe_fip->event_tag);
da0436e9
JS		 4425 break;
4426 }
4427}
4428
4429/**
4430 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
4431 * @phba: pointer to lpfc hba data structure.
4432 * @acqe_link: pointer to the async dcbx completion queue entry.
4433 *
4434 * This routine is to handle the SLI4 asynchronous dcbx event.
4435 **/
4436static void
4437lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba,
4438 struct lpfc_acqe_dcbx *acqe_dcbx)
4439{
4d9ab994 4440 phba->fc_eventTag = acqe_dcbx->event_tag;
da0436e9
JS		 4441 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4442 "0290 The SLI4 DCBX asynchronous event is not "
4443 "handled yet\n");
4444}
4445
b19a061a
JS		 4446/**
4447 * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event
4448 * @phba: pointer to lpfc hba data structure.
4449 * @acqe_link: pointer to the async grp5 completion queue entry.
4450 *
4451 * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event
4452 * is an asynchronous notified of a logical link speed change. The Port
4453 * reports the logical link speed in units of 10Mbps.
4454 **/
4455static void
4456lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba,
4457 struct lpfc_acqe_grp5 *acqe_grp5)
4458{
4459 uint16_t prev_ll_spd;
4460
4461 phba->fc_eventTag = acqe_grp5->event_tag;
4462 phba->fcoe_eventtag = acqe_grp5->event_tag;
4463 prev_ll_spd = phba->sli4_hba.link_state.logical_speed;
4464 phba->sli4_hba.link_state.logical_speed =
8b68cd52 4465 (bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10;
b19a061a
JS		 4466 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4467 "2789 GRP5 Async Event: Updating logical link speed "
8b68cd52
JS		 4468 "from %dMbps to %dMbps\n", prev_ll_spd,
4469 phba->sli4_hba.link_state.logical_speed);
b19a061a
JS		 4470}
4471
da0436e9
JS		 4472/**
4473 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
4474 * @phba: pointer to lpfc hba data structure.
4475 *
4476 * This routine is invoked by the worker thread to process all the pending
4477 * SLI4 asynchronous events.
4478 **/
4479void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
4480{
4481 struct lpfc_cq_event *cq_event;
4482
4483 /* First, declare the async event has been handled */
4484 spin_lock_irq(&phba->hbalock);
4485 phba->hba_flag &= ~ASYNC_EVENT;
4486 spin_unlock_irq(&phba->hbalock);
4487 /* Now, handle all the async events */
4488 while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) {
4489 /* Get the first event from the head of the event queue */
4490 spin_lock_irq(&phba->hbalock);
4491 list_remove_head(&phba->sli4_hba.sp_asynce_work_queue,
4492 cq_event, struct lpfc_cq_event, list);
4493 spin_unlock_irq(&phba->hbalock);
4494 /* Process the asynchronous event */
4495 switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) {
4496 case LPFC_TRAILER_CODE_LINK:
4497 lpfc_sli4_async_link_evt(phba,
4498 &cq_event->cqe.acqe_link);
4499 break;
4500 case LPFC_TRAILER_CODE_FCOE:
70f3c073 4501 lpfc_sli4_async_fip_evt(phba, &cq_event->cqe.acqe_fip);
da0436e9
JS		 4502 break;
4503 case LPFC_TRAILER_CODE_DCBX:
4504 lpfc_sli4_async_dcbx_evt(phba,
4505 &cq_event->cqe.acqe_dcbx);
4506 break;
b19a061a
JS		 4507 case LPFC_TRAILER_CODE_GRP5:
4508 lpfc_sli4_async_grp5_evt(phba,
4509 &cq_event->cqe.acqe_grp5);
4510 break;
70f3c073
JS		 4511 case LPFC_TRAILER_CODE_FC:
4512 lpfc_sli4_async_fc_evt(phba, &cq_event->cqe.acqe_fc);
4513 break;
4514 case LPFC_TRAILER_CODE_SLI:
4515 lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli);
4516 break;
da0436e9
JS		 4517 default:
4518 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4519 "1804 Invalid asynchrous event code: "
4520 "x%x\n", bf_get(lpfc_trailer_code,
4521 &cq_event->cqe.mcqe_cmpl));
4522 break;
4523 }
4524 /* Free the completion event processed to the free pool */
4525 lpfc_sli4_cq_event_release(phba, cq_event);
4526 }
4527}
4528
ecfd03c6
JS		 4529/**
4530 * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
4531 * @phba: pointer to lpfc hba data structure.
4532 *
4533 * This routine is invoked by the worker thread to process FCF table
4534 * rediscovery pending completion event.
4535 **/
4536void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba)
4537{
4538 int rc;
4539
4540 spin_lock_irq(&phba->hbalock);
4541 /* Clear FCF rediscovery timeout event */
4542 phba->fcf.fcf_flag &= ~FCF_REDISC_EVT;
4543 /* Clear driver fast failover FCF record flag */
4544 phba->fcf.failover_rec.flag = 0;
4545 /* Set state for FCF fast failover */
4546 phba->fcf.fcf_flag |= FCF_REDISC_FOV;
4547 spin_unlock_irq(&phba->hbalock);
4548
4549 /* Scan FCF table from the first entry to re-discover SAN */
0c9ab6f5 4550 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
a93ff37a 4551 "2777 Start post-quiescent FCF table scan\n");
0c9ab6f5 4552 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
ecfd03c6 4553 if (rc)
0c9ab6f5
JS		 4554 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
4555 "2747 Issue FCF scan read FCF mailbox "
4556 "command failed 0x%x\n", rc);
ecfd03c6
JS		 4557}
4558
da0436e9
JS		 4559/**
4560 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
4561 * @phba: pointer to lpfc hba data structure.
4562 * @dev_grp: The HBA PCI-Device group number.
4563 *
4564 * This routine is invoked to set up the per HBA PCI-Device group function
4565 * API jump table entries.
4566 *
4567 * Return: 0 if success, otherwise -ENODEV
4568 **/
4569int
4570lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
4571{
4572 int rc;
4573
4574 /* Set up lpfc PCI-device group */
4575 phba->pci_dev_grp = dev_grp;
4576
4577 /* The LPFC_PCI_DEV_OC uses SLI4 */
4578 if (dev_grp == LPFC_PCI_DEV_OC)
4579 phba->sli_rev = LPFC_SLI_REV4;
4580
4581 /* Set up device INIT API function jump table */
4582 rc = lpfc_init_api_table_setup(phba, dev_grp);
4583 if (rc)
4584 return -ENODEV;
4585 /* Set up SCSI API function jump table */
4586 rc = lpfc_scsi_api_table_setup(phba, dev_grp);
4587 if (rc)
4588 return -ENODEV;
4589 /* Set up SLI API function jump table */
4590 rc = lpfc_sli_api_table_setup(phba, dev_grp);
4591 if (rc)
4592 return -ENODEV;
4593 /* Set up MBOX API function jump table */
4594 rc = lpfc_mbox_api_table_setup(phba, dev_grp);
4595 if (rc)
4596 return -ENODEV;
4597
4598 return 0;
5b75da2f
JS		 4599}
4600
4601/**
3621a710 4602 * lpfc_log_intr_mode - Log the active interrupt mode
5b75da2f
JS		 4603 * @phba: pointer to lpfc hba data structure.
4604 * @intr_mode: active interrupt mode adopted.
4605 *
4606 * This routine it invoked to log the currently used active interrupt mode
4607 * to the device.
3772a991
JS		 4608 **/
4609static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode)
5b75da2f
JS		 4610{
4611 switch (intr_mode) {
4612 case 0:
4613 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4614 "0470 Enable INTx interrupt mode.\n");
4615 break;
4616 case 1:
4617 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4618 "0481 Enabled MSI interrupt mode.\n");
4619 break;
4620 case 2:
4621 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4622 "0480 Enabled MSI-X interrupt mode.\n");
4623 break;
4624 default:
4625 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4626 "0482 Illegal interrupt mode.\n");
4627 break;
4628 }
4629 return;
4630}
4631
5b75da2f 4632/**
3772a991 4633 * lpfc_enable_pci_dev - Enable a generic PCI device.
5b75da2f
JS		 4634 * @phba: pointer to lpfc hba data structure.
4635 *
3772a991
JS		 4636 * This routine is invoked to enable the PCI device that is common to all
4637 * PCI devices.
5b75da2f
JS		 4638 *
4639 * Return codes
af901ca1 4640 * 0 - successful
3772a991 4641 * other values - error
5b75da2f 4642 **/
3772a991
JS		 4643static int
4644lpfc_enable_pci_dev(struct lpfc_hba *phba)
5b75da2f 4645{
3772a991 4646 struct pci_dev *pdev;
079b5c91 4647 int bars = 0;
5b75da2f 4648
3772a991
JS		 4649 /* Obtain PCI device reference */
4650 if (!phba->pcidev)
4651 goto out_error;
4652 else
4653 pdev = phba->pcidev;
4654 /* Select PCI BARs */
4655 bars = pci_select_bars(pdev, IORESOURCE_MEM);
4656 /* Enable PCI device */
4657 if (pci_enable_device_mem(pdev))
4658 goto out_error;
4659 /* Request PCI resource for the device */
4660 if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
4661 goto out_disable_device;
4662 /* Set up device as PCI master and save state for EEH */
4663 pci_set_master(pdev);
4664 pci_try_set_mwi(pdev);
4665 pci_save_state(pdev);
5b75da2f 4666
0558056c 4667 /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
453193e0 4668 if (pci_is_pcie(pdev))
0558056c
JS		 4669 pdev->needs_freset = 1;
4670
3772a991 4671 return 0;
5b75da2f 4672
3772a991
JS		 4673out_disable_device:
4674 pci_disable_device(pdev);
4675out_error:
079b5c91
JS		 4676 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4677 "1401 Failed to enable pci device, bars:x%x\n", bars);
3772a991 4678 return -ENODEV;
5b75da2f
JS		 4679}
4680
4681/**
3772a991 4682 * lpfc_disable_pci_dev - Disable a generic PCI device.
5b75da2f
JS		 4683 * @phba: pointer to lpfc hba data structure.
4684 *
3772a991
JS		 4685 * This routine is invoked to disable the PCI device that is common to all
4686 * PCI devices.
5b75da2f
JS		 4687 **/
4688static void
3772a991 4689lpfc_disable_pci_dev(struct lpfc_hba *phba)
5b75da2f 4690{
3772a991
JS		 4691 struct pci_dev *pdev;
4692 int bars;
5b75da2f 4693
3772a991
JS		 4694 /* Obtain PCI device reference */
4695 if (!phba->pcidev)
4696 return;
4697 else
4698 pdev = phba->pcidev;
4699 /* Select PCI BARs */
4700 bars = pci_select_bars(pdev, IORESOURCE_MEM);
4701 /* Release PCI resource and disable PCI device */
4702 pci_release_selected_regions(pdev, bars);
4703 pci_disable_device(pdev);
5b75da2f
JS		 4704
4705 return;
4706}
4707
e59058c4 4708/**
3772a991
JS		 4709 * lpfc_reset_hba - Reset a hba
4710 * @phba: pointer to lpfc hba data structure.
e59058c4 4711 *
3772a991
JS		 4712 * This routine is invoked to reset a hba device. It brings the HBA
4713 * offline, performs a board restart, and then brings the board back
4714 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
4715 * on outstanding mailbox commands.
e59058c4 4716 **/
3772a991
JS		 4717void
4718lpfc_reset_hba(struct lpfc_hba *phba)
dea3101e 4719{
3772a991
JS		 4720 /* If resets are disabled then set error state and return. */
4721 if (!phba->cfg_enable_hba_reset) {
4722 phba->link_state = LPFC_HBA_ERROR;
4723 return;
4724 }
ee62021a
JS		 4725 if (phba->sli.sli_flag & LPFC_SLI_ACTIVE)
4726 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
4727 else
4728 lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT);
3772a991
JS		 4729 lpfc_offline(phba);
4730 lpfc_sli_brdrestart(phba);
4731 lpfc_online(phba);
4732 lpfc_unblock_mgmt_io(phba);
4733}
dea3101e 4734
0a96e975
JS		 4735/**
4736 * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
4737 * @phba: pointer to lpfc hba data structure.
4738 *
4739 * This function enables the PCI SR-IOV virtual functions to a physical
4740 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4741 * enable the number of virtual functions to the physical function. As
4742 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4743 * API call does not considered as an error condition for most of the device.
4744 **/
4745uint16_t
4746lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba)
4747{
4748 struct pci_dev *pdev = phba->pcidev;
4749 uint16_t nr_virtfn;
4750 int pos;
4751
0a96e975
JS		 4752 pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
4753 if (pos == 0)
4754 return 0;
4755
4756 pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn);
4757 return nr_virtfn;
4758}
4759
912e3acd
JS		 4760/**
4761 * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
4762 * @phba: pointer to lpfc hba data structure.
4763 * @nr_vfn: number of virtual functions to be enabled.
4764 *
4765 * This function enables the PCI SR-IOV virtual functions to a physical
4766 * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
4767 * enable the number of virtual functions to the physical function. As
4768 * not all devices support SR-IOV, the return code from the pci_enable_sriov()
4769 * API call does not considered as an error condition for most of the device.
4770 **/
4771int
4772lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn)
4773{
4774 struct pci_dev *pdev = phba->pcidev;
0a96e975 4775 uint16_t max_nr_vfn;
912e3acd
JS		 4776 int rc;
4777
0a96e975
JS		 4778 max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba);
4779 if (nr_vfn > max_nr_vfn) {
4780 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4781 "3057 Requested vfs (%d) greater than "
4782 "supported vfs (%d)", nr_vfn, max_nr_vfn);
4783 return -EINVAL;
4784 }
4785
912e3acd
JS		 4786 rc = pci_enable_sriov(pdev, nr_vfn);
4787 if (rc) {
4788 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4789 "2806 Failed to enable sriov on this device "
4790 "with vfn number nr_vf:%d, rc:%d\n",
4791 nr_vfn, rc);
4792 } else
4793 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4794 "2807 Successful enable sriov on this device "
4795 "with vfn number nr_vf:%d\n", nr_vfn);
4796 return rc;
4797}
4798
3772a991
JS		 4799/**
4800 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
4801 * @phba: pointer to lpfc hba data structure.
4802 *
4803 * This routine is invoked to set up the driver internal resources specific to
4804 * support the SLI-3 HBA device it attached to.
4805 *
4806 * Return codes
af901ca1 4807 * 0 - successful
3772a991
JS		 4808 * other values - error
4809 **/
4810static int
4811lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
4812{
4813 struct lpfc_sli *psli;
912e3acd 4814 int rc;
dea3101e 4815
2e0fef85 4816 /*
3772a991 4817 * Initialize timers used by driver
2e0fef85 4818 */
dea3101e 4819
3772a991 4820 /* Heartbeat timer */
858c9f6c
JS		 4821 init_timer(&phba->hb_tmofunc);
4822 phba->hb_tmofunc.function = lpfc_hb_timeout;
4823 phba->hb_tmofunc.data = (unsigned long)phba;
4824
dea3101e 4825 psli = &phba->sli;
3772a991 4826 /* MBOX heartbeat timer */
dea3101e
JB		 4827 init_timer(&psli->mbox_tmo);
4828 psli->mbox_tmo.function = lpfc_mbox_timeout;
2e0fef85 4829 psli->mbox_tmo.data = (unsigned long) phba;
3772a991 4830 /* FCP polling mode timer */
875fbdfe
JSEC		 4831 init_timer(&phba->fcp_poll_timer);
4832 phba->fcp_poll_timer.function = lpfc_poll_timeout;
2e0fef85 4833 phba->fcp_poll_timer.data = (unsigned long) phba;
3772a991 4834 /* Fabric block timer */
92d7f7b0
JS		 4835 init_timer(&phba->fabric_block_timer);
4836 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
4837 phba->fabric_block_timer.data = (unsigned long) phba;
3772a991 4838 /* EA polling mode timer */
9399627f
JS		 4839 init_timer(&phba->eratt_poll);
4840 phba->eratt_poll.function = lpfc_poll_eratt;
4841 phba->eratt_poll.data = (unsigned long) phba;
dea3101e 4842
3772a991
JS		 4843 /* Host attention work mask setup */
4844 phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT);
4845 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
dea3101e 4846
3772a991
JS		 4847 /* Get all the module params for configuring this host */
4848 lpfc_get_cfgparam(phba);
49198b37
JS		 4849 if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) {
4850 phba->menlo_flag |= HBA_MENLO_SUPPORT;
4851 /* check for menlo minimum sg count */
4852 if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT)
4853 phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
4854 }
4855
2a76a283
JS		 4856 if (!phba->sli.ring)
4857 phba->sli.ring = (struct lpfc_sli_ring *)
4858 kzalloc(LPFC_SLI3_MAX_RING *
4859 sizeof(struct lpfc_sli_ring), GFP_KERNEL);
4860 if (!phba->sli.ring)
4861 return -ENOMEM;
4862
dea3101e 4863 /*
96f7077f 4864 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
3772a991 4865 * used to create the sg_dma_buf_pool must be dynamically calculated.
dea3101e 4866 */
3772a991 4867
96f7077f
JS		 4868 /* Initialize the host templates the configured values. */
4869 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4870 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
4871
4872 /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */
3772a991 4873 if (phba->cfg_enable_bg) {
96f7077f
JS		 4874 /*
4875 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
4876 * the FCP rsp, and a BDE for each. Sice we have no control
4877 * over how many protection data segments the SCSI Layer
4878 * will hand us (ie: there could be one for every block
4879 * in the IO), we just allocate enough BDEs to accomidate
4880 * our max amount and we need to limit lpfc_sg_seg_cnt to
4881 * minimize the risk of running out.
4882 */
4883 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4884 sizeof(struct fcp_rsp) +
4885 (LPFC_MAX_SG_SEG_CNT * sizeof(struct ulp_bde64));
4886
4887 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SEG_CNT_DIF)
4888 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT_DIF;
4889
4890 /* Total BDEs in BPL for scsi_sg_list and scsi_sg_prot_list */
4891 phba->cfg_total_seg_cnt = LPFC_MAX_SG_SEG_CNT;
4892 } else {
4893 /*
4894 * The scsi_buf for a regular I/O will hold the FCP cmnd,
4895 * the FCP rsp, a BDE for each, and a BDE for up to
4896 * cfg_sg_seg_cnt data segments.
4897 */
4898 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
4899 sizeof(struct fcp_rsp) +
4900 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64));
4901
4902 /* Total BDEs in BPL for scsi_sg_list */
4903 phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2;
901a920f 4904 }
dea3101e 4905
96f7077f
JS		 4906 lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP,
4907 "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n",
4908 phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size,
4909 phba->cfg_total_seg_cnt);
dea3101e 4910
3772a991
JS		 4911 phba->max_vpi = LPFC_MAX_VPI;
4912 /* This will be set to correct value after config_port mbox */
4913 phba->max_vports = 0;
dea3101e 4914
3772a991
JS		 4915 /*
4916 * Initialize the SLI Layer to run with lpfc HBAs.
4917 */
4918 lpfc_sli_setup(phba);
4919 lpfc_sli_queue_setup(phba);
ed957684 4920
3772a991
JS		 4921 /* Allocate device driver memory */
4922 if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ))
4923 return -ENOMEM;
51ef4c26 4924
912e3acd
JS		 4925 /*
4926 * Enable sr-iov virtual functions if supported and configured
4927 * through the module parameter.
4928 */
4929 if (phba->cfg_sriov_nr_virtfn > 0) {
4930 rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
4931 phba->cfg_sriov_nr_virtfn);
4932 if (rc) {
4933 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4934 "2808 Requested number of SR-IOV "
4935 "virtual functions (%d) is not "
4936 "supported\n",
4937 phba->cfg_sriov_nr_virtfn);
4938 phba->cfg_sriov_nr_virtfn = 0;
4939 }
4940 }
4941
3772a991
JS		 4942 return 0;
4943}
ed957684 4944
3772a991
JS		 4945/**
4946 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
4947 * @phba: pointer to lpfc hba data structure.
4948 *
4949 * This routine is invoked to unset the driver internal resources set up
4950 * specific for supporting the SLI-3 HBA device it attached to.
4951 **/
4952static void
4953lpfc_sli_driver_resource_unset(struct lpfc_hba *phba)
4954{
4955 /* Free device driver memory allocated */
4956 lpfc_mem_free_all(phba);
3163f725 4957
3772a991
JS		 4958 return;
4959}
dea3101e 4960
3772a991 4961/**
da0436e9 4962 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
3772a991
JS		 4963 * @phba: pointer to lpfc hba data structure.
4964 *
da0436e9
JS		 4965 * This routine is invoked to set up the driver internal resources specific to
4966 * support the SLI-4 HBA device it attached to.
3772a991
JS		 4967 *
4968 * Return codes
af901ca1 4969 * 0 - successful
da0436e9 4970 * other values - error
3772a991
JS		 4971 **/
4972static int
da0436e9 4973lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
3772a991 4974{
7bb03bbf 4975 struct lpfc_vector_map_info *cpup;
da0436e9 4976 struct lpfc_sli *psli;
28baac74 4977 LPFC_MBOXQ_t *mboxq;
96f7077f 4978 int rc, i, hbq_count, max_buf_size;
28baac74
JS		 4979 uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0};
4980 struct lpfc_mqe *mqe;
09294d46 4981 int longs;
1ba981fd 4982 int fof_vectors = 0;
da0436e9 4983
716d3bc5
JS		 4984 /* Get all the module params for configuring this host */
4985 lpfc_get_cfgparam(phba);
4986
da0436e9
JS		 4987 /* Before proceed, wait for POST done and device ready */
4988 rc = lpfc_sli4_post_status_check(phba);
4989 if (rc)
4990 return -ENODEV;
4991
3772a991 4992 /*
da0436e9 4993 * Initialize timers used by driver
3772a991 4994 */
3772a991 4995
da0436e9
JS		 4996 /* Heartbeat timer */
4997 init_timer(&phba->hb_tmofunc);
4998 phba->hb_tmofunc.function = lpfc_hb_timeout;
4999 phba->hb_tmofunc.data = (unsigned long)phba;
19ca7609
JS		 5000 init_timer(&phba->rrq_tmr);
5001 phba->rrq_tmr.function = lpfc_rrq_timeout;
5002 phba->rrq_tmr.data = (unsigned long)phba;
3772a991 5003
da0436e9
JS		 5004 psli = &phba->sli;
5005 /* MBOX heartbeat timer */
5006 init_timer(&psli->mbox_tmo);
5007 psli->mbox_tmo.function = lpfc_mbox_timeout;
5008 psli->mbox_tmo.data = (unsigned long) phba;
5009 /* Fabric block timer */
5010 init_timer(&phba->fabric_block_timer);
5011 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
5012 phba->fabric_block_timer.data = (unsigned long) phba;
5013 /* EA polling mode timer */
5014 init_timer(&phba->eratt_poll);
5015 phba->eratt_poll.function = lpfc_poll_eratt;
5016 phba->eratt_poll.data = (unsigned long) phba;
ecfd03c6
JS		 5017 /* FCF rediscover timer */
5018 init_timer(&phba->fcf.redisc_wait);
5019 phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo;
5020 phba->fcf.redisc_wait.data = (unsigned long)phba;
5021
7ad20aa9
JS		 5022 /*
5023 * Control structure for handling external multi-buffer mailbox
5024 * command pass-through.
5025 */
5026 memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0,
5027 sizeof(struct lpfc_mbox_ext_buf_ctx));
5028 INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list);
5029
da0436e9 5030 phba->max_vpi = LPFC_MAX_VPI;
67d12733 5031
da0436e9
JS		 5032 /* This will be set to correct value after the read_config mbox */
5033 phba->max_vports = 0;
3772a991 5034
da0436e9
JS		 5035 /* Program the default value of vlan_id and fc_map */
5036 phba->valid_vlan = 0;
5037 phba->fc_map[0] = LPFC_FCOE_FCF_MAP0;
5038 phba->fc_map[1] = LPFC_FCOE_FCF_MAP1;
5039 phba->fc_map[2] = LPFC_FCOE_FCF_MAP2;
3772a991 5040
2a76a283
JS		 5041 /*
5042 * For SLI4, instead of using ring 0 (LPFC_FCP_RING) for FCP commands
5043 * we will associate a new ring, for each FCP fastpath EQ/CQ/WQ tuple.
5044 */
5045 if (!phba->sli.ring)
5046 phba->sli.ring = kzalloc(
67d12733 5047 (LPFC_SLI3_MAX_RING + phba->cfg_fcp_io_channel) *
2a76a283
JS		 5048 sizeof(struct lpfc_sli_ring), GFP_KERNEL);
5049 if (!phba->sli.ring)
5050 return -ENOMEM;
09294d46 5051
da0436e9 5052 /*
09294d46
JS		 5053 * It doesn't matter what family our adapter is in, we are
5054 * limited to 2 Pages, 512 SGEs, for our SGL.
5055 * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp
5056 */
5057 max_buf_size = (2 * SLI4_PAGE_SIZE);
5058 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SGL_SEG_CNT - 2)
5059 phba->cfg_sg_seg_cnt = LPFC_MAX_SGL_SEG_CNT - 2;
09294d46 5060
da0436e9 5061 /*
96f7077f 5062 * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
da0436e9 5063 * used to create the sg_dma_buf_pool must be dynamically calculated.
da0436e9 5064 */
96f7077f
JS		 5065
5066 if (phba->cfg_enable_bg) {
5067 /*
5068 * The scsi_buf for a T10-DIF I/O will hold the FCP cmnd,
5069 * the FCP rsp, and a SGE for each. Sice we have no control
5070 * over how many protection data segments the SCSI Layer
5071 * will hand us (ie: there could be one for every block
5072 * in the IO), we just allocate enough SGEs to accomidate
5073 * our max amount and we need to limit lpfc_sg_seg_cnt to
5074 * minimize the risk of running out.
5075 */
5076 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
5077 sizeof(struct fcp_rsp) + max_buf_size;
5078
5079 /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */
5080 phba->cfg_total_seg_cnt = LPFC_MAX_SGL_SEG_CNT;
5081
5082 if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SLI4_SEG_CNT_DIF)
5083 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SLI4_SEG_CNT_DIF;
5084 } else {
5085 /*
5086 * The scsi_buf for a regular I/O will hold the FCP cmnd,
5087 * the FCP rsp, a SGE for each, and a SGE for up to
5088 * cfg_sg_seg_cnt data segments.
5089 */
5090 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
5091 sizeof(struct fcp_rsp) +
5092 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge));
5093
5094 /* Total SGEs for scsi_sg_list */
5095 phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2;
5096 /*
5097 * NOTE: if (phba->cfg_sg_seg_cnt + 2) <= 256 we only need
5098 * to post 1 page for the SGL.
5099 */
085c647c 5100 }
acd6859b 5101
96f7077f
JS		 5102 /* Initialize the host templates with the updated values. */
5103 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
5104 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
5105
5106 if (phba->cfg_sg_dma_buf_size <= LPFC_MIN_SG_SLI4_BUF_SZ)
5107 phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ;
5108 else
5109 phba->cfg_sg_dma_buf_size =
5110 SLI4_PAGE_ALIGN(phba->cfg_sg_dma_buf_size);
5111
5112 lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP,
5113 "9087 sg_tablesize:%d dmabuf_size:%d total_sge:%d\n",
5114 phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size,
5115 phba->cfg_total_seg_cnt);
3772a991 5116
da0436e9
JS		 5117 /* Initialize buffer queue management fields */
5118 hbq_count = lpfc_sli_hbq_count();
5119 for (i = 0; i < hbq_count; ++i)
5120 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
5121 INIT_LIST_HEAD(&phba->rb_pend_list);
5122 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc;
5123 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free;
3772a991 5124
da0436e9
JS		 5125 /*
5126 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
5127 */
5128 /* Initialize the Abort scsi buffer list used by driver */
5129 spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock);
5130 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
5131 /* This abort list used by worker thread */
5132 spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock);
3772a991 5133
da0436e9 5134 /*
6d368e53 5135 * Initialize driver internal slow-path work queues
da0436e9 5136 */
3772a991 5137
da0436e9
JS		 5138 /* Driver internel slow-path CQ Event pool */
5139 INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool);
5140 /* Response IOCB work queue list */
45ed1190 5141 INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event);
da0436e9
JS		 5142 /* Asynchronous event CQ Event work queue list */
5143 INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue);
5144 /* Fast-path XRI aborted CQ Event work queue list */
5145 INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue);
5146 /* Slow-path XRI aborted CQ Event work queue list */
5147 INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue);
5148 /* Receive queue CQ Event work queue list */
5149 INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue);
5150
6d368e53
JS		 5151 /* Initialize extent block lists. */
5152 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list);
5153 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list);
5154 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list);
5155 INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list);
5156
da0436e9
JS		 5157 /* Initialize the driver internal SLI layer lists. */
5158 lpfc_sli_setup(phba);
5159 lpfc_sli_queue_setup(phba);
3772a991 5160
da0436e9
JS		 5161 /* Allocate device driver memory */
5162 rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ);
5163 if (rc)
5164 return -ENOMEM;
5165
2fcee4bf
JS		 5166 /* IF Type 2 ports get initialized now. */
5167 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
5168 LPFC_SLI_INTF_IF_TYPE_2) {
5169 rc = lpfc_pci_function_reset(phba);
5170 if (unlikely(rc))
5171 return -ENODEV;
5172 }
5173
da0436e9
JS		 5174 /* Create the bootstrap mailbox command */
5175 rc = lpfc_create_bootstrap_mbox(phba);
5176 if (unlikely(rc))
5177 goto out_free_mem;
5178
5179 /* Set up the host's endian order with the device. */
5180 rc = lpfc_setup_endian_order(phba);
5181 if (unlikely(rc))
5182 goto out_free_bsmbx;
5183
5184 /* Set up the hba's configuration parameters. */
5185 rc = lpfc_sli4_read_config(phba);
cff261f6
JS		 5186 if (unlikely(rc))
5187 goto out_free_bsmbx;
5188 rc = lpfc_mem_alloc_active_rrq_pool_s4(phba);
da0436e9
JS		 5189 if (unlikely(rc))
5190 goto out_free_bsmbx;
5191
2fcee4bf
JS		 5192 /* IF Type 0 ports get initialized now. */
5193 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
5194 LPFC_SLI_INTF_IF_TYPE_0) {
5195 rc = lpfc_pci_function_reset(phba);
5196 if (unlikely(rc))
5197 goto out_free_bsmbx;
5198 }
da0436e9 5199
cb5172ea
JS		 5200 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
5201 GFP_KERNEL);
5202 if (!mboxq) {
5203 rc = -ENOMEM;
5204 goto out_free_bsmbx;
5205 }
5206
fedd3b7b 5207 /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */
cb5172ea
JS		 5208 lpfc_supported_pages(mboxq);
5209 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
fedd3b7b
JS		 5210 if (!rc) {
5211 mqe = &mboxq->u.mqe;
5212 memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
5213 LPFC_MAX_SUPPORTED_PAGES);
5214 for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
5215 switch (pn_page[i]) {
5216 case LPFC_SLI4_PARAMETERS:
5217 phba->sli4_hba.pc_sli4_params.supported = 1;
5218 break;
5219 default:
5220 break;
5221 }
5222 }
5223 /* Read the port's SLI4 Parameters capabilities if supported. */
5224 if (phba->sli4_hba.pc_sli4_params.supported)
5225 rc = lpfc_pc_sli4_params_get(phba, mboxq);
5226 if (rc) {
5227 mempool_free(mboxq, phba->mbox_mem_pool);
5228 rc = -EIO;
5229 goto out_free_bsmbx;
cb5172ea
JS		 5230 }
5231 }
fedd3b7b
JS		 5232 /*
5233 * Get sli4 parameters that override parameters from Port capabilities.
6d368e53
JS		 5234 * If this call fails, it isn't critical unless the SLI4 parameters come
5235 * back in conflict.
fedd3b7b 5236 */
6d368e53
JS		 5237 rc = lpfc_get_sli4_parameters(phba, mboxq);
5238 if (rc) {
5239 if (phba->sli4_hba.extents_in_use &&
5240 phba->sli4_hba.rpi_hdrs_in_use) {
5241 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5242 "2999 Unsupported SLI4 Parameters "
5243 "Extents and RPI headers enabled.\n");
5244 goto out_free_bsmbx;
5245 }
5246 }
cb5172ea 5247 mempool_free(mboxq, phba->mbox_mem_pool);
1ba981fd
JS		 5248
5249 /* Verify OAS is supported */
5250 lpfc_sli4_oas_verify(phba);
5251 if (phba->cfg_fof)
5252 fof_vectors = 1;
5253
5350d872
JS		 5254 /* Verify all the SLI4 queues */
5255 rc = lpfc_sli4_queue_verify(phba);
da0436e9
JS		 5256 if (rc)
5257 goto out_free_bsmbx;
5258
5259 /* Create driver internal CQE event pool */
5260 rc = lpfc_sli4_cq_event_pool_create(phba);
5261 if (rc)
5350d872 5262 goto out_free_bsmbx;
da0436e9 5263
8a9d2e80
JS		 5264 /* Initialize sgl lists per host */
5265 lpfc_init_sgl_list(phba);
5266
5267 /* Allocate and initialize active sgl array */
da0436e9
JS		 5268 rc = lpfc_init_active_sgl_array(phba);
5269 if (rc) {
5270 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5271 "1430 Failed to initialize sgl list.\n");
8a9d2e80 5272 goto out_destroy_cq_event_pool;
da0436e9 5273 }
da0436e9
JS		 5274 rc = lpfc_sli4_init_rpi_hdrs(phba);
5275 if (rc) {
5276 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5277 "1432 Failed to initialize rpi headers.\n");
5278 goto out_free_active_sgl;
5279 }
5280
a93ff37a 5281 /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
0c9ab6f5
JS		 5282 longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG;
5283 phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long),
5284 GFP_KERNEL);
5285 if (!phba->fcf.fcf_rr_bmask) {
5286 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5287 "2759 Failed allocate memory for FCF round "
5288 "robin failover bmask\n");
0558056c 5289 rc = -ENOMEM;
0c9ab6f5
JS		 5290 goto out_remove_rpi_hdrs;
5291 }
5292
67d12733
JS		 5293 phba->sli4_hba.fcp_eq_hdl =
5294 kzalloc((sizeof(struct lpfc_fcp_eq_hdl) *
1ba981fd
JS		 5295 (fof_vectors + phba->cfg_fcp_io_channel)),
5296 GFP_KERNEL);
67d12733
JS		 5297 if (!phba->sli4_hba.fcp_eq_hdl) {
5298 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5299 "2572 Failed allocate memory for "
5300 "fast-path per-EQ handle array\n");
5301 rc = -ENOMEM;
5302 goto out_free_fcf_rr_bmask;
da0436e9
JS		 5303 }
5304
5305 phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
1ba981fd
JS		 5306 (fof_vectors +
5307 phba->cfg_fcp_io_channel)), GFP_KERNEL);
da0436e9
JS		 5308 if (!phba->sli4_hba.msix_entries) {
5309 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5310 "2573 Failed allocate memory for msi-x "
5311 "interrupt vector entries\n");
0558056c 5312 rc = -ENOMEM;
da0436e9
JS		 5313 goto out_free_fcp_eq_hdl;
5314 }
5315
7bb03bbf
JS		 5316 phba->sli4_hba.cpu_map = kzalloc((sizeof(struct lpfc_vector_map_info) *
5317 phba->sli4_hba.num_present_cpu),
5318 GFP_KERNEL);
5319 if (!phba->sli4_hba.cpu_map) {
5320 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5321 "3327 Failed allocate memory for msi-x "
5322 "interrupt vector mapping\n");
5323 rc = -ENOMEM;
5324 goto out_free_msix;
5325 }
b246de17
JS		 5326 if (lpfc_used_cpu == NULL) {
5327 lpfc_used_cpu = kzalloc((sizeof(uint16_t) * lpfc_present_cpu),
5328 GFP_KERNEL);
5329 if (!lpfc_used_cpu) {
5330 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5331 "3335 Failed allocate memory for msi-x "
5332 "interrupt vector mapping\n");
5333 kfree(phba->sli4_hba.cpu_map);
5334 rc = -ENOMEM;
5335 goto out_free_msix;
5336 }
5337 for (i = 0; i < lpfc_present_cpu; i++)
5338 lpfc_used_cpu[i] = LPFC_VECTOR_MAP_EMPTY;
5339 }
5340
7bb03bbf
JS		 5341 /* Initialize io channels for round robin */
5342 cpup = phba->sli4_hba.cpu_map;
5343 rc = 0;
5344 for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
5345 cpup->channel_id = rc;
5346 rc++;
5347 if (rc >= phba->cfg_fcp_io_channel)
5348 rc = 0;
5349 }
5350
912e3acd
JS		 5351 /*
5352 * Enable sr-iov virtual functions if supported and configured
5353 * through the module parameter.
5354 */
5355 if (phba->cfg_sriov_nr_virtfn > 0) {
5356 rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
5357 phba->cfg_sriov_nr_virtfn);
5358 if (rc) {
5359 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
5360 "3020 Requested number of SR-IOV "
5361 "virtual functions (%d) is not "
5362 "supported\n",
5363 phba->cfg_sriov_nr_virtfn);
5364 phba->cfg_sriov_nr_virtfn = 0;
5365 }
5366 }
5367
5248a749 5368 return 0;
da0436e9 5369
7bb03bbf
JS		 5370out_free_msix:
5371 kfree(phba->sli4_hba.msix_entries);
da0436e9
JS		 5372out_free_fcp_eq_hdl:
5373 kfree(phba->sli4_hba.fcp_eq_hdl);
0c9ab6f5
JS		 5374out_free_fcf_rr_bmask:
5375 kfree(phba->fcf.fcf_rr_bmask);
da0436e9
JS		 5376out_remove_rpi_hdrs:
5377 lpfc_sli4_remove_rpi_hdrs(phba);
5378out_free_active_sgl:
5379 lpfc_free_active_sgl(phba);
da0436e9
JS		 5380out_destroy_cq_event_pool:
5381 lpfc_sli4_cq_event_pool_destroy(phba);
da0436e9
JS		 5382out_free_bsmbx:
5383 lpfc_destroy_bootstrap_mbox(phba);
5384out_free_mem:
5385 lpfc_mem_free(phba);
5386 return rc;
5387}
5388
5389/**
5390 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
5391 * @phba: pointer to lpfc hba data structure.
5392 *
5393 * This routine is invoked to unset the driver internal resources set up
5394 * specific for supporting the SLI-4 HBA device it attached to.
5395 **/
5396static void
5397lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
5398{
5399 struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
5400
7bb03bbf
JS		 5401 /* Free memory allocated for msi-x interrupt vector to CPU mapping */
5402 kfree(phba->sli4_hba.cpu_map);
5403 phba->sli4_hba.num_present_cpu = 0;
5404 phba->sli4_hba.num_online_cpu = 0;
76fd07a6 5405 phba->sli4_hba.curr_disp_cpu = 0;
7bb03bbf 5406
da0436e9
JS		 5407 /* Free memory allocated for msi-x interrupt vector entries */
5408 kfree(phba->sli4_hba.msix_entries);
5409
5410 /* Free memory allocated for fast-path work queue handles */
5411 kfree(phba->sli4_hba.fcp_eq_hdl);
5412
5413 /* Free the allocated rpi headers. */
5414 lpfc_sli4_remove_rpi_hdrs(phba);
d11e31dd 5415 lpfc_sli4_remove_rpis(phba);
da0436e9 5416
0c9ab6f5
JS		 5417 /* Free eligible FCF index bmask */
5418 kfree(phba->fcf.fcf_rr_bmask);
5419
da0436e9
JS		 5420 /* Free the ELS sgl list */
5421 lpfc_free_active_sgl(phba);
8a9d2e80 5422 lpfc_free_els_sgl_list(phba);
da0436e9 5423
da0436e9
JS		 5424 /* Free the completion queue EQ event pool */
5425 lpfc_sli4_cq_event_release_all(phba);
5426 lpfc_sli4_cq_event_pool_destroy(phba);
5427
6d368e53
JS		 5428 /* Release resource identifiers. */
5429 lpfc_sli4_dealloc_resource_identifiers(phba);
5430
da0436e9
JS		 5431 /* Free the bsmbx region. */
5432 lpfc_destroy_bootstrap_mbox(phba);
5433
5434 /* Free the SLI Layer memory with SLI4 HBAs */
5435 lpfc_mem_free_all(phba);
5436
5437 /* Free the current connect table */
5438 list_for_each_entry_safe(conn_entry, next_conn_entry,
4d9ab994
JS		 5439 &phba->fcf_conn_rec_list, list) {
5440 list_del_init(&conn_entry->list);
da0436e9 5441 kfree(conn_entry);
4d9ab994 5442 }
da0436e9
JS		 5443
5444 return;
5445}
5446
5447/**
25985edc 5448 * lpfc_init_api_table_setup - Set up init api function jump table
da0436e9
JS		 5449 * @phba: The hba struct for which this call is being executed.
5450 * @dev_grp: The HBA PCI-Device group number.
5451 *
5452 * This routine sets up the device INIT interface API function jump table
5453 * in @phba struct.
5454 *
5455 * Returns: 0 - success, -ENODEV - failure.
5456 **/
5457int
5458lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
5459{
84d1b006
JS		 5460 phba->lpfc_hba_init_link = lpfc_hba_init_link;
5461 phba->lpfc_hba_down_link = lpfc_hba_down_link;
7f86059a 5462 phba->lpfc_selective_reset = lpfc_selective_reset;
da0436e9
JS		 5463 switch (dev_grp) {
5464 case LPFC_PCI_DEV_LP:
5465 phba->lpfc_hba_down_post = lpfc_hba_down_post_s3;
5466 phba->lpfc_handle_eratt = lpfc_handle_eratt_s3;
5467 phba->lpfc_stop_port = lpfc_stop_port_s3;
5468 break;
5469 case LPFC_PCI_DEV_OC:
5470 phba->lpfc_hba_down_post = lpfc_hba_down_post_s4;
5471 phba->lpfc_handle_eratt = lpfc_handle_eratt_s4;
5472 phba->lpfc_stop_port = lpfc_stop_port_s4;
5473 break;
5474 default:
5475 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5476 "1431 Invalid HBA PCI-device group: 0x%x\n",
5477 dev_grp);
5478 return -ENODEV;
5479 break;
5480 }
5481 return 0;
5482}
5483
5484/**
5485 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
5486 * @phba: pointer to lpfc hba data structure.
5487 *
5488 * This routine is invoked to set up the driver internal resources before the
5489 * device specific resource setup to support the HBA device it attached to.
5490 *
5491 * Return codes
af901ca1 5492 * 0 - successful
da0436e9
JS		 5493 * other values - error
5494 **/
5495static int
5496lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba)
5497{
5498 /*
5499 * Driver resources common to all SLI revisions
5500 */
5501 atomic_set(&phba->fast_event_count, 0);
5502 spin_lock_init(&phba->hbalock);
5503
5504 /* Initialize ndlp management spinlock */
5505 spin_lock_init(&phba->ndlp_lock);
5506
5507 INIT_LIST_HEAD(&phba->port_list);
5508 INIT_LIST_HEAD(&phba->work_list);
5509 init_waitqueue_head(&phba->wait_4_mlo_m_q);
5510
5511 /* Initialize the wait queue head for the kernel thread */
5512 init_waitqueue_head(&phba->work_waitq);
5513
5514 /* Initialize the scsi buffer list used by driver for scsi IO */
a40fc5f0
JS		 5515 spin_lock_init(&phba->scsi_buf_list_get_lock);
5516 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get);
5517 spin_lock_init(&phba->scsi_buf_list_put_lock);
5518 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put);
da0436e9
JS		 5519
5520 /* Initialize the fabric iocb list */
5521 INIT_LIST_HEAD(&phba->fabric_iocb_list);
5522
5523 /* Initialize list to save ELS buffers */
5524 INIT_LIST_HEAD(&phba->elsbuf);
5525
5526 /* Initialize FCF connection rec list */
5527 INIT_LIST_HEAD(&phba->fcf_conn_rec_list);
5528
1ba981fd
JS		 5529 /* Initialize OAS configuration list */
5530 spin_lock_init(&phba->devicelock);
5531 INIT_LIST_HEAD(&phba->luns);
5532
da0436e9
JS		 5533 return 0;
5534}
5535
5536/**
5537 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
5538 * @phba: pointer to lpfc hba data structure.
5539 *
5540 * This routine is invoked to set up the driver internal resources after the
5541 * device specific resource setup to support the HBA device it attached to.
5542 *
5543 * Return codes
af901ca1 5544 * 0 - successful
da0436e9
JS		 5545 * other values - error
5546 **/
5547static int
5548lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba)
5549{
5550 int error;
5551
5552 /* Startup the kernel thread for this host adapter. */
5553 phba->worker_thread = kthread_run(lpfc_do_work, phba,
5554 "lpfc_worker_%d", phba->brd_no);
5555 if (IS_ERR(phba->worker_thread)) {
5556 error = PTR_ERR(phba->worker_thread);
5557 return error;
3772a991
JS		 5558 }
5559
5560 return 0;
5561}
5562
5563/**
5564 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
5565 * @phba: pointer to lpfc hba data structure.
5566 *
5567 * This routine is invoked to unset the driver internal resources set up after
5568 * the device specific resource setup for supporting the HBA device it
5569 * attached to.
5570 **/
5571static void
5572lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba)
5573{
5574 /* Stop kernel worker thread */
5575 kthread_stop(phba->worker_thread);
5576}
5577
5578/**
5579 * lpfc_free_iocb_list - Free iocb list.
5580 * @phba: pointer to lpfc hba data structure.
5581 *
5582 * This routine is invoked to free the driver's IOCB list and memory.
5583 **/
5584static void
5585lpfc_free_iocb_list(struct lpfc_hba *phba)
5586{
5587 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
5588
5589 spin_lock_irq(&phba->hbalock);
5590 list_for_each_entry_safe(iocbq_entry, iocbq_next,
5591 &phba->lpfc_iocb_list, list) {
5592 list_del(&iocbq_entry->list);
5593 kfree(iocbq_entry);
5594 phba->total_iocbq_bufs--;
98c9ea5c 5595 }
3772a991
JS		 5596 spin_unlock_irq(&phba->hbalock);
5597
5598 return;
5599}
5600
5601/**
5602 * lpfc_init_iocb_list - Allocate and initialize iocb list.
5603 * @phba: pointer to lpfc hba data structure.
5604 *
5605 * This routine is invoked to allocate and initizlize the driver's IOCB
5606 * list and set up the IOCB tag array accordingly.
5607 *
5608 * Return codes
af901ca1 5609 * 0 - successful
3772a991
JS		 5610 * other values - error
5611 **/
5612static int
5613lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count)
5614{
5615 struct lpfc_iocbq *iocbq_entry = NULL;
5616 uint16_t iotag;
5617 int i;
dea3101e
JB		 5618
5619 /* Initialize and populate the iocb list per host. */
5620 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
3772a991 5621 for (i = 0; i < iocb_count; i++) {
dd00cc48 5622 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
dea3101e
JB		 5623 if (iocbq_entry == NULL) {
5624 printk(KERN_ERR "%s: only allocated %d iocbs of "
5625 "expected %d count. Unloading driver.\n",
cadbd4a5 5626 __func__, i, LPFC_IOCB_LIST_CNT);
dea3101e
JB		 5627 goto out_free_iocbq;
5628 }
5629
604a3e30
JB		 5630 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
5631 if (iotag == 0) {
3772a991 5632 kfree(iocbq_entry);
604a3e30 5633 printk(KERN_ERR "%s: failed to allocate IOTAG. "
3772a991 5634 "Unloading driver.\n", __func__);
604a3e30
JB		 5635 goto out_free_iocbq;
5636 }
6d368e53 5637 iocbq_entry->sli4_lxritag = NO_XRI;
3772a991 5638 iocbq_entry->sli4_xritag = NO_XRI;
2e0fef85
JS		 5639
5640 spin_lock_irq(&phba->hbalock);
dea3101e
JB		 5641 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
5642 phba->total_iocbq_bufs++;
2e0fef85 5643 spin_unlock_irq(&phba->hbalock);
dea3101e
JB		 5644 }
5645
3772a991 5646 return 0;
dea3101e 5647
3772a991
JS		 5648out_free_iocbq:
5649 lpfc_free_iocb_list(phba);
dea3101e 5650
3772a991
JS		 5651 return -ENOMEM;
5652}
5e9d9b82 5653
3772a991 5654/**
8a9d2e80 5655 * lpfc_free_sgl_list - Free a given sgl list.
da0436e9 5656 * @phba: pointer to lpfc hba data structure.
8a9d2e80 5657 * @sglq_list: pointer to the head of sgl list.
3772a991 5658 *
8a9d2e80 5659 * This routine is invoked to free a give sgl list and memory.
3772a991 5660 **/
8a9d2e80
JS		 5661void
5662lpfc_free_sgl_list(struct lpfc_hba *phba, struct list_head *sglq_list)
3772a991 5663{
da0436e9 5664 struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
8a9d2e80
JS		 5665
5666 list_for_each_entry_safe(sglq_entry, sglq_next, sglq_list, list) {
5667 list_del(&sglq_entry->list);
5668 lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys);
5669 kfree(sglq_entry);
5670 }
5671}
5672
5673/**
5674 * lpfc_free_els_sgl_list - Free els sgl list.
5675 * @phba: pointer to lpfc hba data structure.
5676 *
5677 * This routine is invoked to free the driver's els sgl list and memory.
5678 **/
5679static void
5680lpfc_free_els_sgl_list(struct lpfc_hba *phba)
5681{
da0436e9 5682 LIST_HEAD(sglq_list);
dea3101e 5683
8a9d2e80 5684 /* Retrieve all els sgls from driver list */
da0436e9
JS		 5685 spin_lock_irq(&phba->hbalock);
5686 list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list);
5687 spin_unlock_irq(&phba->hbalock);
dea3101e 5688
8a9d2e80
JS		 5689 /* Now free the sgl list */
5690 lpfc_free_sgl_list(phba, &sglq_list);
da0436e9 5691}
92d7f7b0 5692
da0436e9
JS		 5693/**
5694 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
5695 * @phba: pointer to lpfc hba data structure.
5696 *
5697 * This routine is invoked to allocate the driver's active sgl memory.
5698 * This array will hold the sglq_entry's for active IOs.
5699 **/
5700static int
5701lpfc_init_active_sgl_array(struct lpfc_hba *phba)
5702{
5703 int size;
5704 size = sizeof(struct lpfc_sglq *);
5705 size *= phba->sli4_hba.max_cfg_param.max_xri;
5706
5707 phba->sli4_hba.lpfc_sglq_active_list =
5708 kzalloc(size, GFP_KERNEL);
5709 if (!phba->sli4_hba.lpfc_sglq_active_list)
5710 return -ENOMEM;
5711 return 0;
3772a991
JS		 5712}
5713
5714/**
da0436e9 5715 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
3772a991
JS		 5716 * @phba: pointer to lpfc hba data structure.
5717 *
da0436e9
JS		 5718 * This routine is invoked to walk through the array of active sglq entries
5719 * and free all of the resources.
5720 * This is just a place holder for now.
3772a991
JS		 5721 **/
5722static void
da0436e9 5723lpfc_free_active_sgl(struct lpfc_hba *phba)
3772a991 5724{
da0436e9 5725 kfree(phba->sli4_hba.lpfc_sglq_active_list);
3772a991
JS		 5726}
5727
5728/**
da0436e9 5729 * lpfc_init_sgl_list - Allocate and initialize sgl list.
3772a991
JS		 5730 * @phba: pointer to lpfc hba data structure.
5731 *
da0436e9
JS		 5732 * This routine is invoked to allocate and initizlize the driver's sgl
5733 * list and set up the sgl xritag tag array accordingly.
3772a991 5734 *
3772a991 5735 **/
8a9d2e80 5736static void
da0436e9 5737lpfc_init_sgl_list(struct lpfc_hba *phba)
3772a991 5738{
da0436e9
JS		 5739 /* Initialize and populate the sglq list per host/VF. */
5740 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list);
5741 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list);
5742
8a9d2e80
JS		 5743 /* els xri-sgl book keeping */
5744 phba->sli4_hba.els_xri_cnt = 0;
0ff10d46 5745
8a9d2e80 5746 /* scsi xri-buffer book keeping */
da0436e9 5747 phba->sli4_hba.scsi_xri_cnt = 0;
da0436e9
JS		 5748}
5749
5750/**
5751 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
5752 * @phba: pointer to lpfc hba data structure.
5753 *
5754 * This routine is invoked to post rpi header templates to the
88a2cfbb 5755 * port for those SLI4 ports that do not support extents. This routine
da0436e9 5756 * posts a PAGE_SIZE memory region to the port to hold up to
88a2cfbb
JS		 5757 * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
5758 * and should be called only when interrupts are disabled.
da0436e9
JS		 5759 *
5760 * Return codes
af901ca1 5761 * 0 - successful
88a2cfbb 5762 * -ERROR - otherwise.
da0436e9
JS		 5763 **/
5764int
5765lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba)
5766{
5767 int rc = 0;
da0436e9
JS		 5768 struct lpfc_rpi_hdr *rpi_hdr;
5769
5770 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list);
ff78d8f9 5771 if (!phba->sli4_hba.rpi_hdrs_in_use)
6d368e53 5772 return rc;
6d368e53
JS		 5773 if (phba->sli4_hba.extents_in_use)
5774 return -EIO;
da0436e9
JS		 5775
5776 rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
5777 if (!rpi_hdr) {
5778 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
5779 "0391 Error during rpi post operation\n");
5780 lpfc_sli4_remove_rpis(phba);
5781 rc = -ENODEV;
5782 }
5783
5784 return rc;
5785}
5786
5787/**
5788 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
5789 * @phba: pointer to lpfc hba data structure.
5790 *
5791 * This routine is invoked to allocate a single 4KB memory region to
5792 * support rpis and stores them in the phba. This single region
5793 * provides support for up to 64 rpis. The region is used globally
5794 * by the device.
5795 *
5796 * Returns:
5797 * A valid rpi hdr on success.
5798 * A NULL pointer on any failure.
5799 **/
5800struct lpfc_rpi_hdr *
5801lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
5802{
5803 uint16_t rpi_limit, curr_rpi_range;
5804 struct lpfc_dmabuf *dmabuf;
5805 struct lpfc_rpi_hdr *rpi_hdr;
9589b062 5806 uint32_t rpi_count;
da0436e9 5807
6d368e53
JS		 5808 /*
5809 * If the SLI4 port supports extents, posting the rpi header isn't
5810 * required. Set the expected maximum count and let the actual value
5811 * get set when extents are fully allocated.
5812 */
5813 if (!phba->sli4_hba.rpi_hdrs_in_use)
5814 return NULL;
5815 if (phba->sli4_hba.extents_in_use)
5816 return NULL;
5817
5818 /* The limit on the logical index is just the max_rpi count. */
da0436e9 5819 rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base +
6d368e53 5820 phba->sli4_hba.max_cfg_param.max_rpi - 1;
da0436e9
JS		 5821
5822 spin_lock_irq(&phba->hbalock);
6d368e53
JS		 5823 /*
5824 * Establish the starting RPI in this header block. The starting
5825 * rpi is normalized to a zero base because the physical rpi is
5826 * port based.
5827 */
97f2ecf1 5828 curr_rpi_range = phba->sli4_hba.next_rpi;
da0436e9
JS		 5829 spin_unlock_irq(&phba->hbalock);
5830
5831 /*
5832 * The port has a limited number of rpis. The increment here
5833 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
5834 * and to allow the full max_rpi range per port.
5835 */
5836 if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit)
9589b062
JS		 5837 rpi_count = rpi_limit - curr_rpi_range;
5838 else
5839 rpi_count = LPFC_RPI_HDR_COUNT;
da0436e9 5840
6d368e53
JS		 5841 if (!rpi_count)
5842 return NULL;
da0436e9
JS		 5843 /*
5844 * First allocate the protocol header region for the port. The
5845 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
5846 */
5847 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
5848 if (!dmabuf)
5849 return NULL;
5850
5851 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
5852 LPFC_HDR_TEMPLATE_SIZE,
5853 &dmabuf->phys,
5854 GFP_KERNEL);
5855 if (!dmabuf->virt) {
5856 rpi_hdr = NULL;
5857 goto err_free_dmabuf;
5858 }
5859
5860 memset(dmabuf->virt, 0, LPFC_HDR_TEMPLATE_SIZE);
5861 if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) {
5862 rpi_hdr = NULL;
5863 goto err_free_coherent;
5864 }
5865
5866 /* Save the rpi header data for cleanup later. */
5867 rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL);
5868 if (!rpi_hdr)
5869 goto err_free_coherent;
5870
5871 rpi_hdr->dmabuf = dmabuf;
5872 rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE;
5873 rpi_hdr->page_count = 1;
5874 spin_lock_irq(&phba->hbalock);
6d368e53
JS		 5875
5876 /* The rpi_hdr stores the logical index only. */
5877 rpi_hdr->start_rpi = curr_rpi_range;
da0436e9
JS		 5878 list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list);
5879
5880 /*
6d368e53
JS		 5881 * The next_rpi stores the next logical module-64 rpi value used
5882 * to post physical rpis in subsequent rpi postings.
da0436e9 5883 */
9589b062 5884 phba->sli4_hba.next_rpi += rpi_count;
da0436e9
JS		 5885 spin_unlock_irq(&phba->hbalock);
5886 return rpi_hdr;
5887
5888 err_free_coherent:
5889 dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE,
5890 dmabuf->virt, dmabuf->phys);
5891 err_free_dmabuf:
5892 kfree(dmabuf);
5893 return NULL;
5894}
5895
5896/**
5897 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
5898 * @phba: pointer to lpfc hba data structure.
5899 *
5900 * This routine is invoked to remove all memory resources allocated
6d368e53
JS		 5901 * to support rpis for SLI4 ports not supporting extents. This routine
5902 * presumes the caller has released all rpis consumed by fabric or port
5903 * logins and is prepared to have the header pages removed.
da0436e9
JS		 5904 **/
5905void
5906lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba)
5907{
5908 struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr;
5909
6d368e53
JS		 5910 if (!phba->sli4_hba.rpi_hdrs_in_use)
5911 goto exit;
5912
da0436e9
JS		 5913 list_for_each_entry_safe(rpi_hdr, next_rpi_hdr,
5914 &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
5915 list_del(&rpi_hdr->list);
5916 dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len,
5917 rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys);
5918 kfree(rpi_hdr->dmabuf);
5919 kfree(rpi_hdr);
5920 }
6d368e53
JS		 5921 exit:
5922 /* There are no rpis available to the port now. */
5923 phba->sli4_hba.next_rpi = 0;
da0436e9
JS		 5924}
5925
5926/**
5927 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
5928 * @pdev: pointer to pci device data structure.
5929 *
5930 * This routine is invoked to allocate the driver hba data structure for an
5931 * HBA device. If the allocation is successful, the phba reference to the
5932 * PCI device data structure is set.
5933 *
5934 * Return codes
af901ca1 5935 * pointer to @phba - successful
da0436e9
JS		 5936 * NULL - error
5937 **/
5938static struct lpfc_hba *
5939lpfc_hba_alloc(struct pci_dev *pdev)
5940{
5941 struct lpfc_hba *phba;
5942
5943 /* Allocate memory for HBA structure */
5944 phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL);
5945 if (!phba) {
e34ccdfe 5946 dev_err(&pdev->dev, "failed to allocate hba struct\n");
da0436e9
JS		 5947 return NULL;
5948 }
5949
5950 /* Set reference to PCI device in HBA structure */
5951 phba->pcidev = pdev;
5952
5953 /* Assign an unused board number */
5954 phba->brd_no = lpfc_get_instance();
5955 if (phba->brd_no < 0) {
5956 kfree(phba);
5957 return NULL;
5958 }
5959
4fede78f 5960 spin_lock_init(&phba->ct_ev_lock);
f1c3b0fc
JS		 5961 INIT_LIST_HEAD(&phba->ct_ev_waiters);
5962
da0436e9
JS		 5963 return phba;
5964}
5965
5966/**
5967 * lpfc_hba_free - Free driver hba data structure with a device.
5968 * @phba: pointer to lpfc hba data structure.
5969 *
5970 * This routine is invoked to free the driver hba data structure with an
5971 * HBA device.
5972 **/
5973static void
5974lpfc_hba_free(struct lpfc_hba *phba)
5975{
5976 /* Release the driver assigned board number */
5977 idr_remove(&lpfc_hba_index, phba->brd_no);
5978
2a76a283
JS		 5979 /* Free memory allocated with sli rings */
5980 kfree(phba->sli.ring);
5981 phba->sli.ring = NULL;
5982
da0436e9
JS		 5983 kfree(phba);
5984 return;
5985}
5986
5987/**
5988 * lpfc_create_shost - Create hba physical port with associated scsi host.
5989 * @phba: pointer to lpfc hba data structure.
5990 *
5991 * This routine is invoked to create HBA physical port and associate a SCSI
5992 * host with it.
5993 *
5994 * Return codes
af901ca1 5995 * 0 - successful
da0436e9
JS		 5996 * other values - error
5997 **/
5998static int
5999lpfc_create_shost(struct lpfc_hba *phba)
6000{
6001 struct lpfc_vport *vport;
6002 struct Scsi_Host *shost;
6003
6004 /* Initialize HBA FC structure */
6005 phba->fc_edtov = FF_DEF_EDTOV;
6006 phba->fc_ratov = FF_DEF_RATOV;
6007 phba->fc_altov = FF_DEF_ALTOV;
6008 phba->fc_arbtov = FF_DEF_ARBTOV;
6009
d7c47992 6010 atomic_set(&phba->sdev_cnt, 0);
da0436e9
JS		 6011 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
6012 if (!vport)
6013 return -ENODEV;
6014
6015 shost = lpfc_shost_from_vport(vport);
6016 phba->pport = vport;
6017 lpfc_debugfs_initialize(vport);
6018 /* Put reference to SCSI host to driver's device private data */
6019 pci_set_drvdata(phba->pcidev, shost);
2e0fef85 6020
3772a991
JS		 6021 return 0;
6022}
db2378e0 6023
3772a991
JS		 6024/**
6025 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
6026 * @phba: pointer to lpfc hba data structure.
6027 *
6028 * This routine is invoked to destroy HBA physical port and the associated
6029 * SCSI host.
6030 **/
6031static void
6032lpfc_destroy_shost(struct lpfc_hba *phba)
6033{
6034 struct lpfc_vport *vport = phba->pport;
6035
6036 /* Destroy physical port that associated with the SCSI host */
6037 destroy_port(vport);
6038
6039 return;
6040}
6041
6042/**
6043 * lpfc_setup_bg - Setup Block guard structures and debug areas.
6044 * @phba: pointer to lpfc hba data structure.
6045 * @shost: the shost to be used to detect Block guard settings.
6046 *
6047 * This routine sets up the local Block guard protocol settings for @shost.
6048 * This routine also allocates memory for debugging bg buffers.
6049 **/
6050static void
6051lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost)
6052{
bbeb79b9
JS		 6053 uint32_t old_mask;
6054 uint32_t old_guard;
6055
3772a991
JS		 6056 int pagecnt = 10;
6057 if (lpfc_prot_mask && lpfc_prot_guard) {
6058 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6059 "1478 Registering BlockGuard with the "
6060 "SCSI layer\n");
bbeb79b9
JS		 6061
6062 old_mask = lpfc_prot_mask;
6063 old_guard = lpfc_prot_guard;
6064
6065 /* Only allow supported values */
6066 lpfc_prot_mask &= (SHOST_DIF_TYPE1_PROTECTION |
6067 SHOST_DIX_TYPE0_PROTECTION |
6068 SHOST_DIX_TYPE1_PROTECTION);
6069 lpfc_prot_guard &= (SHOST_DIX_GUARD_IP | SHOST_DIX_GUARD_CRC);
6070
6071 /* DIF Type 1 protection for profiles AST1/C1 is end to end */
6072 if (lpfc_prot_mask == SHOST_DIX_TYPE1_PROTECTION)
6073 lpfc_prot_mask |= SHOST_DIF_TYPE1_PROTECTION;
6074
6075 if (lpfc_prot_mask && lpfc_prot_guard) {
6076 if ((old_mask != lpfc_prot_mask) ||
6077 (old_guard != lpfc_prot_guard))
6078 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6079 "1475 Registering BlockGuard with the "
6080 "SCSI layer: mask %d guard %d\n",
6081 lpfc_prot_mask, lpfc_prot_guard);
6082
6083 scsi_host_set_prot(shost, lpfc_prot_mask);
6084 scsi_host_set_guard(shost, lpfc_prot_guard);
6085 } else
6086 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6087 "1479 Not Registering BlockGuard with the SCSI "
6088 "layer, Bad protection parameters: %d %d\n",
6089 old_mask, old_guard);
3772a991 6090 }
bbeb79b9 6091
3772a991
JS		 6092 if (!_dump_buf_data) {
6093 while (pagecnt) {
6094 spin_lock_init(&_dump_buf_lock);
6095 _dump_buf_data =
6096 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
6097 if (_dump_buf_data) {
6a9c52cf
JS		 6098 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
6099 "9043 BLKGRD: allocated %d pages for "
3772a991
JS		 6100 "_dump_buf_data at 0x%p\n",
6101 (1 << pagecnt), _dump_buf_data);
6102 _dump_buf_data_order = pagecnt;
6103 memset(_dump_buf_data, 0,
6104 ((1 << PAGE_SHIFT) << pagecnt));
6105 break;
6106 } else
6107 --pagecnt;
6108 }
6109 if (!_dump_buf_data_order)
6a9c52cf
JS		 6110 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
6111 "9044 BLKGRD: ERROR unable to allocate "
3772a991
JS		 6112 "memory for hexdump\n");
6113 } else
6a9c52cf
JS		 6114 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
6115 "9045 BLKGRD: already allocated _dump_buf_data=0x%p"
3772a991
JS		 6116 "\n", _dump_buf_data);
6117 if (!_dump_buf_dif) {
6118 while (pagecnt) {
6119 _dump_buf_dif =
6120 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
6121 if (_dump_buf_dif) {
6a9c52cf
JS		 6122 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
6123 "9046 BLKGRD: allocated %d pages for "
3772a991
JS		 6124 "_dump_buf_dif at 0x%p\n",
6125 (1 << pagecnt), _dump_buf_dif);
6126 _dump_buf_dif_order = pagecnt;
6127 memset(_dump_buf_dif, 0,
6128 ((1 << PAGE_SHIFT) << pagecnt));
6129 break;
6130 } else
6131 --pagecnt;
6132 }
6133 if (!_dump_buf_dif_order)
6a9c52cf
JS		 6134 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
6135 "9047 BLKGRD: ERROR unable to allocate "
3772a991
JS		 6136 "memory for hexdump\n");
6137 } else
6a9c52cf
JS		 6138 lpfc_printf_log(phba, KERN_ERR, LOG_BG,
6139 "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
3772a991
JS		 6140 _dump_buf_dif);
6141}
6142
6143/**
6144 * lpfc_post_init_setup - Perform necessary device post initialization setup.
6145 * @phba: pointer to lpfc hba data structure.
6146 *
6147 * This routine is invoked to perform all the necessary post initialization
6148 * setup for the device.
6149 **/
6150static void
6151lpfc_post_init_setup(struct lpfc_hba *phba)
6152{
6153 struct Scsi_Host *shost;
6154 struct lpfc_adapter_event_header adapter_event;
6155
6156 /* Get the default values for Model Name and Description */
6157 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
6158
6159 /*
6160 * hba setup may have changed the hba_queue_depth so we need to
6161 * adjust the value of can_queue.
6162 */
6163 shost = pci_get_drvdata(phba->pcidev);
6164 shost->can_queue = phba->cfg_hba_queue_depth - 10;
6165 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
6166 lpfc_setup_bg(phba, shost);
6167
6168 lpfc_host_attrib_init(shost);
6169
6170 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
6171 spin_lock_irq(shost->host_lock);
6172 lpfc_poll_start_timer(phba);
6173 spin_unlock_irq(shost->host_lock);
6174 }
6175
6176 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6177 "0428 Perform SCSI scan\n");
6178 /* Send board arrival event to upper layer */
6179 adapter_event.event_type = FC_REG_ADAPTER_EVENT;
6180 adapter_event.subcategory = LPFC_EVENT_ARRIVAL;
6181 fc_host_post_vendor_event(shost, fc_get_event_number(),
6182 sizeof(adapter_event),
6183 (char *) &adapter_event,
6184 LPFC_NL_VENDOR_ID);
6185 return;
6186}
6187
6188/**
6189 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
6190 * @phba: pointer to lpfc hba data structure.
6191 *
6192 * This routine is invoked to set up the PCI device memory space for device
6193 * with SLI-3 interface spec.
6194 *
6195 * Return codes
af901ca1 6196 * 0 - successful
3772a991
JS		 6197 * other values - error
6198 **/
6199static int
6200lpfc_sli_pci_mem_setup(struct lpfc_hba *phba)
6201{
6202 struct pci_dev *pdev;
6203 unsigned long bar0map_len, bar2map_len;
6204 int i, hbq_count;
6205 void *ptr;
6206 int error = -ENODEV;
6207
6208 /* Obtain PCI device reference */
6209 if (!phba->pcidev)
6210 return error;
6211 else
6212 pdev = phba->pcidev;
6213
6214 /* Set the device DMA mask size */
8e68597d
MR		 6215 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
6216 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
6217 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
6218 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
3772a991 6219 return error;
8e68597d
MR		 6220 }
6221 }
3772a991
JS		 6222
6223 /* Get the bus address of Bar0 and Bar2 and the number of bytes
6224 * required by each mapping.
6225 */
6226 phba->pci_bar0_map = pci_resource_start(pdev, 0);
6227 bar0map_len = pci_resource_len(pdev, 0);
6228
6229 phba->pci_bar2_map = pci_resource_start(pdev, 2);
6230 bar2map_len = pci_resource_len(pdev, 2);
6231
6232 /* Map HBA SLIM to a kernel virtual address. */
6233 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
6234 if (!phba->slim_memmap_p) {
6235 dev_printk(KERN_ERR, &pdev->dev,
6236 "ioremap failed for SLIM memory.\n");
6237 goto out;
6238 }
6239
6240 /* Map HBA Control Registers to a kernel virtual address. */
6241 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
6242 if (!phba->ctrl_regs_memmap_p) {
6243 dev_printk(KERN_ERR, &pdev->dev,
6244 "ioremap failed for HBA control registers.\n");
6245 goto out_iounmap_slim;
6246 }
6247
6248 /* Allocate memory for SLI-2 structures */
6249 phba->slim2p.virt = dma_alloc_coherent(&pdev->dev,
6250 SLI2_SLIM_SIZE,
6251 &phba->slim2p.phys,
6252 GFP_KERNEL);
6253 if (!phba->slim2p.virt)
6254 goto out_iounmap;
6255
6256 memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE);
6257 phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
7a470277
JS		 6258 phba->mbox_ext = (phba->slim2p.virt +
6259 offsetof(struct lpfc_sli2_slim, mbx_ext_words));
3772a991
JS		 6260 phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
6261 phba->IOCBs = (phba->slim2p.virt +
6262 offsetof(struct lpfc_sli2_slim, IOCBs));
6263
6264 phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev,
6265 lpfc_sli_hbq_size(),
6266 &phba->hbqslimp.phys,
6267 GFP_KERNEL);
6268 if (!phba->hbqslimp.virt)
6269 goto out_free_slim;
6270
6271 hbq_count = lpfc_sli_hbq_count();
6272 ptr = phba->hbqslimp.virt;
6273 for (i = 0; i < hbq_count; ++i) {
6274 phba->hbqs[i].hbq_virt = ptr;
6275 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
6276 ptr += (lpfc_hbq_defs[i]->entry_count *
6277 sizeof(struct lpfc_hbq_entry));
6278 }
6279 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
6280 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
6281
6282 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
6283
6284 INIT_LIST_HEAD(&phba->rb_pend_list);
6285
6286 phba->MBslimaddr = phba->slim_memmap_p;
6287 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
6288 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
6289 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
6290 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
6291
6292 return 0;
6293
6294out_free_slim:
6295 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
6296 phba->slim2p.virt, phba->slim2p.phys);
6297out_iounmap:
6298 iounmap(phba->ctrl_regs_memmap_p);
6299out_iounmap_slim:
6300 iounmap(phba->slim_memmap_p);
6301out:
6302 return error;
6303}
6304
6305/**
6306 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
6307 * @phba: pointer to lpfc hba data structure.
6308 *
6309 * This routine is invoked to unset the PCI device memory space for device
6310 * with SLI-3 interface spec.
6311 **/
6312static void
6313lpfc_sli_pci_mem_unset(struct lpfc_hba *phba)
6314{
6315 struct pci_dev *pdev;
6316
6317 /* Obtain PCI device reference */
6318 if (!phba->pcidev)
6319 return;
6320 else
6321 pdev = phba->pcidev;
6322
6323 /* Free coherent DMA memory allocated */
6324 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
6325 phba->hbqslimp.virt, phba->hbqslimp.phys);
6326 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
6327 phba->slim2p.virt, phba->slim2p.phys);
6328
6329 /* I/O memory unmap */
6330 iounmap(phba->ctrl_regs_memmap_p);
6331 iounmap(phba->slim_memmap_p);
6332
6333 return;
6334}
6335
6336/**
da0436e9 6337 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
3772a991
JS		 6338 * @phba: pointer to lpfc hba data structure.
6339 *
da0436e9
JS		 6340 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
6341 * done and check status.
3772a991 6342 *
da0436e9 6343 * Return 0 if successful, otherwise -ENODEV.
3772a991 6344 **/
da0436e9
JS		 6345int
6346lpfc_sli4_post_status_check(struct lpfc_hba *phba)
3772a991 6347{
2fcee4bf
JS		 6348 struct lpfc_register portsmphr_reg, uerrlo_reg, uerrhi_reg;
6349 struct lpfc_register reg_data;
6350 int i, port_error = 0;
6351 uint32_t if_type;
3772a991 6352
9940b97b
JS		 6353 memset(&portsmphr_reg, 0, sizeof(portsmphr_reg));
6354 memset(&reg_data, 0, sizeof(reg_data));
2fcee4bf 6355 if (!phba->sli4_hba.PSMPHRregaddr)
da0436e9 6356 return -ENODEV;
3772a991 6357
da0436e9
JS		 6358 /* Wait up to 30 seconds for the SLI Port POST done and ready */
6359 for (i = 0; i < 3000; i++) {
9940b97b
JS		 6360 if (lpfc_readl(phba->sli4_hba.PSMPHRregaddr,
6361 &portsmphr_reg.word0) ||
6362 (bf_get(lpfc_port_smphr_perr, &portsmphr_reg))) {
2fcee4bf 6363 /* Port has a fatal POST error, break out */
da0436e9
JS		 6364 port_error = -ENODEV;
6365 break;
6366 }
2fcee4bf
JS		 6367 if (LPFC_POST_STAGE_PORT_READY ==
6368 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg))
da0436e9 6369 break;
da0436e9 6370 msleep(10);
3772a991
JS		 6371 }
6372
2fcee4bf
JS		 6373 /*
6374 * If there was a port error during POST, then don't proceed with
6375 * other register reads as the data may not be valid. Just exit.
6376 */
6377 if (port_error) {
da0436e9 6378 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2fcee4bf
JS		 6379 "1408 Port Failed POST - portsmphr=0x%x, "
6380 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, "
6381 "scr2=x%x, hscratch=x%x, pstatus=x%x\n",
6382 portsmphr_reg.word0,
6383 bf_get(lpfc_port_smphr_perr, &portsmphr_reg),
6384 bf_get(lpfc_port_smphr_sfi, &portsmphr_reg),
6385 bf_get(lpfc_port_smphr_nip, &portsmphr_reg),
6386 bf_get(lpfc_port_smphr_ipc, &portsmphr_reg),
6387 bf_get(lpfc_port_smphr_scr1, &portsmphr_reg),
6388 bf_get(lpfc_port_smphr_scr2, &portsmphr_reg),
6389 bf_get(lpfc_port_smphr_host_scratch, &portsmphr_reg),
6390 bf_get(lpfc_port_smphr_port_status, &portsmphr_reg));
6391 } else {
28baac74 6392 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2fcee4bf
JS		 6393 "2534 Device Info: SLIFamily=0x%x, "
6394 "SLIRev=0x%x, IFType=0x%x, SLIHint_1=0x%x, "
6395 "SLIHint_2=0x%x, FT=0x%x\n",
28baac74
JS		 6396 bf_get(lpfc_sli_intf_sli_family,
6397 &phba->sli4_hba.sli_intf),
6398 bf_get(lpfc_sli_intf_slirev,
6399 &phba->sli4_hba.sli_intf),
085c647c
JS		 6400 bf_get(lpfc_sli_intf_if_type,
6401 &phba->sli4_hba.sli_intf),
6402 bf_get(lpfc_sli_intf_sli_hint1,
28baac74 6403 &phba->sli4_hba.sli_intf),
085c647c
JS		 6404 bf_get(lpfc_sli_intf_sli_hint2,
6405 &phba->sli4_hba.sli_intf),
6406 bf_get(lpfc_sli_intf_func_type,
28baac74 6407 &phba->sli4_hba.sli_intf));
2fcee4bf
JS		 6408 /*
6409 * Check for other Port errors during the initialization
6410 * process. Fail the load if the port did not come up
6411 * correctly.
6412 */
6413 if_type = bf_get(lpfc_sli_intf_if_type,
6414 &phba->sli4_hba.sli_intf);
6415 switch (if_type) {
6416 case LPFC_SLI_INTF_IF_TYPE_0:
6417 phba->sli4_hba.ue_mask_lo =
6418 readl(phba->sli4_hba.u.if_type0.UEMASKLOregaddr);
6419 phba->sli4_hba.ue_mask_hi =
6420 readl(phba->sli4_hba.u.if_type0.UEMASKHIregaddr);
6421 uerrlo_reg.word0 =
6422 readl(phba->sli4_hba.u.if_type0.UERRLOregaddr);
6423 uerrhi_reg.word0 =
6424 readl(phba->sli4_hba.u.if_type0.UERRHIregaddr);
6425 if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) ||
6426 (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) {
6427 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6428 "1422 Unrecoverable Error "
6429 "Detected during POST "
6430 "uerr_lo_reg=0x%x, "
6431 "uerr_hi_reg=0x%x, "
6432 "ue_mask_lo_reg=0x%x, "
6433 "ue_mask_hi_reg=0x%x\n",
6434 uerrlo_reg.word0,
6435 uerrhi_reg.word0,
6436 phba->sli4_hba.ue_mask_lo,
6437 phba->sli4_hba.ue_mask_hi);
6438 port_error = -ENODEV;
6439 }
6440 break;
6441 case LPFC_SLI_INTF_IF_TYPE_2:
6442 /* Final checks. The port status should be clean. */
9940b97b
JS		 6443 if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
6444 &reg_data.word0) ||
0558056c
JS		 6445 (bf_get(lpfc_sliport_status_err, &reg_data) &&
6446 !bf_get(lpfc_sliport_status_rn, &reg_data))) {
2fcee4bf
JS		 6447 phba->work_status[0] =
6448 readl(phba->sli4_hba.u.if_type2.
6449 ERR1regaddr);
6450 phba->work_status[1] =
6451 readl(phba->sli4_hba.u.if_type2.
6452 ERR2regaddr);
6453 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8fcb8acd
JS		 6454 "2888 Unrecoverable port error "
6455 "following POST: port status reg "
6456 "0x%x, port_smphr reg 0x%x, "
2fcee4bf
JS		 6457 "error 1=0x%x, error 2=0x%x\n",
6458 reg_data.word0,
6459 portsmphr_reg.word0,
6460 phba->work_status[0],
6461 phba->work_status[1]);
6462 port_error = -ENODEV;
6463 }
6464 break;
6465 case LPFC_SLI_INTF_IF_TYPE_1:
6466 default:
6467 break;
6468 }
28baac74 6469 }
da0436e9
JS		 6470 return port_error;
6471}
3772a991 6472
da0436e9
JS		 6473/**
6474 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
6475 * @phba: pointer to lpfc hba data structure.
2fcee4bf 6476 * @if_type: The SLI4 interface type getting configured.
da0436e9
JS		 6477 *
6478 * This routine is invoked to set up SLI4 BAR0 PCI config space register
6479 * memory map.
6480 **/
6481static void
2fcee4bf
JS		 6482lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type)
6483{
6484 switch (if_type) {
6485 case LPFC_SLI_INTF_IF_TYPE_0:
6486 phba->sli4_hba.u.if_type0.UERRLOregaddr =
6487 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_LO;
6488 phba->sli4_hba.u.if_type0.UERRHIregaddr =
6489 phba->sli4_hba.conf_regs_memmap_p + LPFC_UERR_STATUS_HI;
6490 phba->sli4_hba.u.if_type0.UEMASKLOregaddr =
6491 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_LO;
6492 phba->sli4_hba.u.if_type0.UEMASKHIregaddr =
6493 phba->sli4_hba.conf_regs_memmap_p + LPFC_UE_MASK_HI;
6494 phba->sli4_hba.SLIINTFregaddr =
6495 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
6496 break;
6497 case LPFC_SLI_INTF_IF_TYPE_2:
6498 phba->sli4_hba.u.if_type2.ERR1regaddr =
88a2cfbb
JS		 6499 phba->sli4_hba.conf_regs_memmap_p +
6500 LPFC_CTL_PORT_ER1_OFFSET;
2fcee4bf 6501 phba->sli4_hba.u.if_type2.ERR2regaddr =
88a2cfbb
JS		 6502 phba->sli4_hba.conf_regs_memmap_p +
6503 LPFC_CTL_PORT_ER2_OFFSET;
2fcee4bf 6504 phba->sli4_hba.u.if_type2.CTRLregaddr =
88a2cfbb
JS		 6505 phba->sli4_hba.conf_regs_memmap_p +
6506 LPFC_CTL_PORT_CTL_OFFSET;
2fcee4bf 6507 phba->sli4_hba.u.if_type2.STATUSregaddr =
88a2cfbb
JS		 6508 phba->sli4_hba.conf_regs_memmap_p +
6509 LPFC_CTL_PORT_STA_OFFSET;
2fcee4bf
JS		 6510 phba->sli4_hba.SLIINTFregaddr =
6511 phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
6512 phba->sli4_hba.PSMPHRregaddr =
88a2cfbb
JS		 6513 phba->sli4_hba.conf_regs_memmap_p +
6514 LPFC_CTL_PORT_SEM_OFFSET;
2fcee4bf 6515 phba->sli4_hba.RQDBregaddr =
962bc51b
JS		 6516 phba->sli4_hba.conf_regs_memmap_p +
6517 LPFC_ULP0_RQ_DOORBELL;
2fcee4bf 6518 phba->sli4_hba.WQDBregaddr =
962bc51b
JS		 6519 phba->sli4_hba.conf_regs_memmap_p +
6520 LPFC_ULP0_WQ_DOORBELL;
2fcee4bf
JS		 6521 phba->sli4_hba.EQCQDBregaddr =
6522 phba->sli4_hba.conf_regs_memmap_p + LPFC_EQCQ_DOORBELL;
6523 phba->sli4_hba.MQDBregaddr =
6524 phba->sli4_hba.conf_regs_memmap_p + LPFC_MQ_DOORBELL;
6525 phba->sli4_hba.BMBXregaddr =
6526 phba->sli4_hba.conf_regs_memmap_p + LPFC_BMBX;
6527 break;
6528 case LPFC_SLI_INTF_IF_TYPE_1:
6529 default:
6530 dev_printk(KERN_ERR, &phba->pcidev->dev,
6531 "FATAL - unsupported SLI4 interface type - %d\n",
6532 if_type);
6533 break;
6534 }
da0436e9 6535}
3772a991 6536
da0436e9
JS		 6537/**
6538 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
6539 * @phba: pointer to lpfc hba data structure.
6540 *
6541 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
6542 * memory map.
6543 **/
6544static void
6545lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba)
6546{
2fcee4bf
JS		 6547 phba->sli4_hba.PSMPHRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
6548 LPFC_SLIPORT_IF0_SMPHR;
da0436e9 6549 phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6550 LPFC_HST_ISR0;
da0436e9 6551 phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6552 LPFC_HST_IMR0;
da0436e9 6553 phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
2fcee4bf 6554 LPFC_HST_ISCR0;
3772a991
JS		 6555}
6556
6557/**
da0436e9 6558 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
3772a991 6559 * @phba: pointer to lpfc hba data structure.
da0436e9 6560 * @vf: virtual function number
3772a991 6561 *
da0436e9
JS		 6562 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
6563 * based on the given viftual function number, @vf.
6564 *
6565 * Return 0 if successful, otherwise -ENODEV.
3772a991 6566 **/
da0436e9
JS		 6567static int
6568lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf)
3772a991 6569{
da0436e9
JS		 6570 if (vf > LPFC_VIR_FUNC_MAX)
6571 return -ENODEV;
3772a991 6572
da0436e9 6573 phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
962bc51b
JS		 6574 vf * LPFC_VFR_PAGE_SIZE +
6575 LPFC_ULP0_RQ_DOORBELL);
da0436e9 6576 phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
962bc51b
JS		 6577 vf * LPFC_VFR_PAGE_SIZE +
6578 LPFC_ULP0_WQ_DOORBELL);
da0436e9
JS		 6579 phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6580 vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL);
6581 phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6582 vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL);
6583 phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
6584 vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX);
6585 return 0;
3772a991
JS		 6586}
6587
6588/**
da0436e9 6589 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
3772a991
JS		 6590 * @phba: pointer to lpfc hba data structure.
6591 *
da0436e9
JS		 6592 * This routine is invoked to create the bootstrap mailbox
6593 * region consistent with the SLI-4 interface spec. This
6594 * routine allocates all memory necessary to communicate
6595 * mailbox commands to the port and sets up all alignment
6596 * needs. No locks are expected to be held when calling
6597 * this routine.
3772a991
JS		 6598 *
6599 * Return codes
af901ca1 6600 * 0 - successful
d439d286 6601 * -ENOMEM - could not allocated memory.
da0436e9 6602 **/
3772a991 6603static int
da0436e9 6604lpfc_create_bootstrap_mbox(struct lpfc_hba *phba)
3772a991 6605{
da0436e9
JS		 6606 uint32_t bmbx_size;
6607 struct lpfc_dmabuf *dmabuf;
6608 struct dma_address *dma_address;
6609 uint32_t pa_addr;
6610 uint64_t phys_addr;
6611
6612 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
6613 if (!dmabuf)
6614 return -ENOMEM;
3772a991 6615
da0436e9
JS		 6616 /*
6617 * The bootstrap mailbox region is comprised of 2 parts
6618 * plus an alignment restriction of 16 bytes.
6619 */
6620 bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1);
6621 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
6622 bmbx_size,
6623 &dmabuf->phys,
6624 GFP_KERNEL);
6625 if (!dmabuf->virt) {
6626 kfree(dmabuf);
6627 return -ENOMEM;
3772a991 6628 }
da0436e9 6629 memset(dmabuf->virt, 0, bmbx_size);
3772a991 6630
da0436e9
JS		 6631 /*
6632 * Initialize the bootstrap mailbox pointers now so that the register
6633 * operations are simple later. The mailbox dma address is required
6634 * to be 16-byte aligned. Also align the virtual memory as each
6635 * maibox is copied into the bmbx mailbox region before issuing the
6636 * command to the port.
6637 */
6638 phba->sli4_hba.bmbx.dmabuf = dmabuf;
6639 phba->sli4_hba.bmbx.bmbx_size = bmbx_size;
6640
6641 phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt,
6642 LPFC_ALIGN_16_BYTE);
6643 phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys,
6644 LPFC_ALIGN_16_BYTE);
6645
6646 /*
6647 * Set the high and low physical addresses now. The SLI4 alignment
6648 * requirement is 16 bytes and the mailbox is posted to the port
6649 * as two 30-bit addresses. The other data is a bit marking whether
6650 * the 30-bit address is the high or low address.
6651 * Upcast bmbx aphys to 64bits so shift instruction compiles
6652 * clean on 32 bit machines.
6653 */
6654 dma_address = &phba->sli4_hba.bmbx.dma_address;
6655 phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys;
6656 pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff);
6657 dma_address->addr_hi = (uint32_t) ((pa_addr << 2) |
6658 LPFC_BMBX_BIT1_ADDR_HI);
6659
6660 pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff);
6661 dma_address->addr_lo = (uint32_t) ((pa_addr << 2) |
6662 LPFC_BMBX_BIT1_ADDR_LO);
6663 return 0;
3772a991
JS		 6664}
6665
6666/**
da0436e9 6667 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
3772a991
JS		 6668 * @phba: pointer to lpfc hba data structure.
6669 *
da0436e9
JS		 6670 * This routine is invoked to teardown the bootstrap mailbox
6671 * region and release all host resources. This routine requires
6672 * the caller to ensure all mailbox commands recovered, no
6673 * additional mailbox comands are sent, and interrupts are disabled
6674 * before calling this routine.
6675 *
6676 **/
3772a991 6677static void
da0436e9 6678lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba)
3772a991 6679{
da0436e9
JS		 6680 dma_free_coherent(&phba->pcidev->dev,
6681 phba->sli4_hba.bmbx.bmbx_size,
6682 phba->sli4_hba.bmbx.dmabuf->virt,
6683 phba->sli4_hba.bmbx.dmabuf->phys);
6684
6685 kfree(phba->sli4_hba.bmbx.dmabuf);
6686 memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx));
3772a991
JS		 6687}
6688
6689/**
da0436e9 6690 * lpfc_sli4_read_config - Get the config parameters.
3772a991
JS		 6691 * @phba: pointer to lpfc hba data structure.
6692 *
da0436e9
JS		 6693 * This routine is invoked to read the configuration parameters from the HBA.
6694 * The configuration parameters are used to set the base and maximum values
6695 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
6696 * allocation for the port.
3772a991
JS		 6697 *
6698 * Return codes
af901ca1 6699 * 0 - successful
25985edc 6700 * -ENOMEM - No available memory
d439d286 6701 * -EIO - The mailbox failed to complete successfully.
3772a991 6702 **/
ff78d8f9 6703int
da0436e9 6704lpfc_sli4_read_config(struct lpfc_hba *phba)
3772a991 6705{
da0436e9
JS		 6706 LPFC_MBOXQ_t *pmb;
6707 struct lpfc_mbx_read_config *rd_config;
912e3acd
JS		 6708 union lpfc_sli4_cfg_shdr *shdr;
6709 uint32_t shdr_status, shdr_add_status;
6710 struct lpfc_mbx_get_func_cfg *get_func_cfg;
6711 struct lpfc_rsrc_desc_fcfcoe *desc;
8aa134a8 6712 char *pdesc_0;
912e3acd 6713 uint32_t desc_count;
8aa134a8 6714 int length, i, rc = 0, rc2;
3772a991 6715
da0436e9
JS		 6716 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
6717 if (!pmb) {
6718 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6719 "2011 Unable to allocate memory for issuing "
6720 "SLI_CONFIG_SPECIAL mailbox command\n");
6721 return -ENOMEM;
3772a991
JS		 6722 }
6723
da0436e9 6724 lpfc_read_config(phba, pmb);
3772a991 6725
da0436e9
JS		 6726 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
6727 if (rc != MBX_SUCCESS) {
6728 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6729 "2012 Mailbox failed , mbxCmd x%x "
6730 "READ_CONFIG, mbxStatus x%x\n",
6731 bf_get(lpfc_mqe_command, &pmb->u.mqe),
6732 bf_get(lpfc_mqe_status, &pmb->u.mqe));
6733 rc = -EIO;
6734 } else {
6735 rd_config = &pmb->u.mqe.un.rd_config;
ff78d8f9
JS		 6736 if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) {
6737 phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL;
6738 phba->sli4_hba.lnk_info.lnk_tp =
6739 bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config);
6740 phba->sli4_hba.lnk_info.lnk_no =
6741 bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config);
6742 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6743 "3081 lnk_type:%d, lnk_numb:%d\n",
6744 phba->sli4_hba.lnk_info.lnk_tp,
6745 phba->sli4_hba.lnk_info.lnk_no);
6746 } else
6747 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
6748 "3082 Mailbox (x%x) returned ldv:x0\n",
6749 bf_get(lpfc_mqe_command, &pmb->u.mqe));
6d368e53
JS		 6750 phba->sli4_hba.extents_in_use =
6751 bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config);
da0436e9
JS		 6752 phba->sli4_hba.max_cfg_param.max_xri =
6753 bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
6754 phba->sli4_hba.max_cfg_param.xri_base =
6755 bf_get(lpfc_mbx_rd_conf_xri_base, rd_config);
6756 phba->sli4_hba.max_cfg_param.max_vpi =
6757 bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
6758 phba->sli4_hba.max_cfg_param.vpi_base =
6759 bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config);
6760 phba->sli4_hba.max_cfg_param.max_rpi =
6761 bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
6762 phba->sli4_hba.max_cfg_param.rpi_base =
6763 bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config);
6764 phba->sli4_hba.max_cfg_param.max_vfi =
6765 bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config);
6766 phba->sli4_hba.max_cfg_param.vfi_base =
6767 bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config);
6768 phba->sli4_hba.max_cfg_param.max_fcfi =
6769 bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config);
da0436e9
JS		 6770 phba->sli4_hba.max_cfg_param.max_eq =
6771 bf_get(lpfc_mbx_rd_conf_eq_count, rd_config);
6772 phba->sli4_hba.max_cfg_param.max_rq =
6773 bf_get(lpfc_mbx_rd_conf_rq_count, rd_config);
6774 phba->sli4_hba.max_cfg_param.max_wq =
6775 bf_get(lpfc_mbx_rd_conf_wq_count, rd_config);
6776 phba->sli4_hba.max_cfg_param.max_cq =
6777 bf_get(lpfc_mbx_rd_conf_cq_count, rd_config);
6778 phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config);
6779 phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base;
6780 phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base;
6781 phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base;
5ffc266e
JS		 6782 phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ?
6783 (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0;
da0436e9
JS		 6784 phba->max_vports = phba->max_vpi;
6785 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6d368e53
JS		 6786 "2003 cfg params Extents? %d "
6787 "XRI(B:%d M:%d), "
da0436e9
JS		 6788 "VPI(B:%d M:%d) "
6789 "VFI(B:%d M:%d) "
6790 "RPI(B:%d M:%d) "
6d368e53
JS		 6791 "FCFI(Count:%d)\n",
6792 phba->sli4_hba.extents_in_use,
da0436e9
JS		 6793 phba->sli4_hba.max_cfg_param.xri_base,
6794 phba->sli4_hba.max_cfg_param.max_xri,
6795 phba->sli4_hba.max_cfg_param.vpi_base,
6796 phba->sli4_hba.max_cfg_param.max_vpi,
6797 phba->sli4_hba.max_cfg_param.vfi_base,
6798 phba->sli4_hba.max_cfg_param.max_vfi,
6799 phba->sli4_hba.max_cfg_param.rpi_base,
6800 phba->sli4_hba.max_cfg_param.max_rpi,
da0436e9 6801 phba->sli4_hba.max_cfg_param.max_fcfi);
3772a991 6802 }
912e3acd
JS		 6803
6804 if (rc)
6805 goto read_cfg_out;
da0436e9
JS		 6806
6807 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
572709e2
JS		 6808 length = phba->sli4_hba.max_cfg_param.max_xri -
6809 lpfc_sli4_get_els_iocb_cnt(phba);
6810 if (phba->cfg_hba_queue_depth > length) {
6811 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6812 "3361 HBA queue depth changed from %d to %d\n",
6813 phba->cfg_hba_queue_depth, length);
6814 phba->cfg_hba_queue_depth = length;
6815 }
912e3acd
JS		 6816
6817 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
6818 LPFC_SLI_INTF_IF_TYPE_2)
6819 goto read_cfg_out;
6820
6821 /* get the pf# and vf# for SLI4 if_type 2 port */
6822 length = (sizeof(struct lpfc_mbx_get_func_cfg) -
6823 sizeof(struct lpfc_sli4_cfg_mhdr));
6824 lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON,
6825 LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG,
6826 length, LPFC_SLI4_MBX_EMBED);
6827
8aa134a8 6828 rc2 = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
912e3acd
JS		 6829 shdr = (union lpfc_sli4_cfg_shdr *)
6830 &pmb->u.mqe.un.sli4_config.header.cfg_shdr;
6831 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
6832 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
8aa134a8 6833 if (rc2 || shdr_status || shdr_add_status) {
912e3acd
JS		 6834 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6835 "3026 Mailbox failed , mbxCmd x%x "
6836 "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
6837 bf_get(lpfc_mqe_command, &pmb->u.mqe),
6838 bf_get(lpfc_mqe_status, &pmb->u.mqe));
912e3acd
JS		 6839 goto read_cfg_out;
6840 }
6841
6842 /* search for fc_fcoe resrouce descriptor */
6843 get_func_cfg = &pmb->u.mqe.un.get_func_cfg;
6844 desc_count = get_func_cfg->func_cfg.rsrc_desc_count;
6845
8aa134a8
JS		 6846 pdesc_0 = (char *)&get_func_cfg->func_cfg.desc[0];
6847 desc = (struct lpfc_rsrc_desc_fcfcoe *)pdesc_0;
6848 length = bf_get(lpfc_rsrc_desc_fcfcoe_length, desc);
6849 if (length == LPFC_RSRC_DESC_TYPE_FCFCOE_V0_RSVD)
6850 length = LPFC_RSRC_DESC_TYPE_FCFCOE_V0_LENGTH;
6851 else if (length != LPFC_RSRC_DESC_TYPE_FCFCOE_V1_LENGTH)
6852 goto read_cfg_out;
6853
912e3acd 6854 for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) {
8aa134a8 6855 desc = (struct lpfc_rsrc_desc_fcfcoe *)(pdesc_0 + length * i);
912e3acd 6856 if (LPFC_RSRC_DESC_TYPE_FCFCOE ==
8aa134a8 6857 bf_get(lpfc_rsrc_desc_fcfcoe_type, desc)) {
912e3acd
JS		 6858 phba->sli4_hba.iov.pf_number =
6859 bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc);
6860 phba->sli4_hba.iov.vf_number =
6861 bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc);
6862 break;
6863 }
6864 }
6865
6866 if (i < LPFC_RSRC_DESC_MAX_NUM)
6867 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
6868 "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
6869 "vf_number:%d\n", phba->sli4_hba.iov.pf_number,
6870 phba->sli4_hba.iov.vf_number);
8aa134a8 6871 else
912e3acd
JS		 6872 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6873 "3028 GET_FUNCTION_CONFIG: failed to find "
6874 "Resrouce Descriptor:x%x\n",
6875 LPFC_RSRC_DESC_TYPE_FCFCOE);
912e3acd
JS		 6876
6877read_cfg_out:
6878 mempool_free(pmb, phba->mbox_mem_pool);
da0436e9 6879 return rc;
3772a991
JS		 6880}
6881
6882/**
2fcee4bf 6883 * lpfc_setup_endian_order - Write endian order to an SLI4 if_type 0 port.
3772a991
JS		 6884 * @phba: pointer to lpfc hba data structure.
6885 *
2fcee4bf
JS		 6886 * This routine is invoked to setup the port-side endian order when
6887 * the port if_type is 0. This routine has no function for other
6888 * if_types.
da0436e9
JS		 6889 *
6890 * Return codes
af901ca1 6891 * 0 - successful
25985edc 6892 * -ENOMEM - No available memory
d439d286 6893 * -EIO - The mailbox failed to complete successfully.
3772a991 6894 **/
da0436e9
JS		 6895static int
6896lpfc_setup_endian_order(struct lpfc_hba *phba)
3772a991 6897{
da0436e9 6898 LPFC_MBOXQ_t *mboxq;
2fcee4bf 6899 uint32_t if_type, rc = 0;
da0436e9
JS		 6900 uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0,
6901 HOST_ENDIAN_HIGH_WORD1};
3772a991 6902
2fcee4bf
JS		 6903 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
6904 switch (if_type) {
6905 case LPFC_SLI_INTF_IF_TYPE_0:
6906 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
6907 GFP_KERNEL);
6908 if (!mboxq) {
6909 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6910 "0492 Unable to allocate memory for "
6911 "issuing SLI_CONFIG_SPECIAL mailbox "
6912 "command\n");
6913 return -ENOMEM;
6914 }
3772a991 6915
2fcee4bf
JS		 6916 /*
6917 * The SLI4_CONFIG_SPECIAL mailbox command requires the first
6918 * two words to contain special data values and no other data.
6919 */
6920 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
6921 memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data));
6922 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6923 if (rc != MBX_SUCCESS) {
6924 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6925 "0493 SLI_CONFIG_SPECIAL mailbox "
6926 "failed with status x%x\n",
6927 rc);
6928 rc = -EIO;
6929 }
6930 mempool_free(mboxq, phba->mbox_mem_pool);
6931 break;
6932 case LPFC_SLI_INTF_IF_TYPE_2:
6933 case LPFC_SLI_INTF_IF_TYPE_1:
6934 default:
6935 break;
da0436e9 6936 }
da0436e9 6937 return rc;
3772a991
JS		 6938}
6939
6940/**
5350d872 6941 * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
3772a991
JS		 6942 * @phba: pointer to lpfc hba data structure.
6943 *
5350d872
JS		 6944 * This routine is invoked to check the user settable queue counts for EQs and
6945 * CQs. after this routine is called the counts will be set to valid values that
6946 * adhere to the constraints of the system's interrupt vectors and the port's
6947 * queue resources.
da0436e9
JS		 6948 *
6949 * Return codes
af901ca1 6950 * 0 - successful
25985edc 6951 * -ENOMEM - No available memory
3772a991 6952 **/
da0436e9 6953static int
5350d872 6954lpfc_sli4_queue_verify(struct lpfc_hba *phba)
3772a991 6955{
67d12733 6956 int cfg_fcp_io_channel;
90695ee0
JS		 6957 uint32_t cpu;
6958 uint32_t i = 0;
1ba981fd 6959 int fof_vectors = phba->cfg_fof ? 1 : 0;
3772a991 6960
da0436e9 6961 /*
67d12733 6962 * Sanity check for configured queue parameters against the run-time
da0436e9
JS		 6963 * device parameters
6964 */
3772a991 6965
67d12733
JS		 6966 /* Sanity check on HBA EQ parameters */
6967 cfg_fcp_io_channel = phba->cfg_fcp_io_channel;
6968
7bb03bbf
JS		 6969 /* It doesn't make sense to have more io channels then online CPUs */
6970 for_each_present_cpu(cpu) {
6971 if (cpu_online(cpu))
6972 i++;
90695ee0 6973 }
7bb03bbf 6974 phba->sli4_hba.num_online_cpu = i;
b246de17 6975 phba->sli4_hba.num_present_cpu = lpfc_present_cpu;
76fd07a6 6976 phba->sli4_hba.curr_disp_cpu = 0;
7bb03bbf 6977
90695ee0 6978 if (i < cfg_fcp_io_channel) {
82c3e9ba
JS		 6979 lpfc_printf_log(phba,
6980 KERN_ERR, LOG_INIT,
90695ee0 6981 "3188 Reducing IO channels to match number of "
7bb03bbf
JS		 6982 "online CPUs: from %d to %d\n",
6983 cfg_fcp_io_channel, i);
90695ee0
JS		 6984 cfg_fcp_io_channel = i;
6985 }
6986
1ba981fd 6987 if (cfg_fcp_io_channel + fof_vectors >
67d12733 6988 phba->sli4_hba.max_cfg_param.max_eq) {
82c3e9ba
JS		 6989 if (phba->sli4_hba.max_cfg_param.max_eq <
6990 LPFC_FCP_IO_CHAN_MIN) {
da0436e9
JS		 6991 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6992 "2574 Not enough EQs (%d) from the "
6993 "pci function for supporting FCP "
6994 "EQs (%d)\n",
6995 phba->sli4_hba.max_cfg_param.max_eq,
67d12733 6996 phba->cfg_fcp_io_channel);
da0436e9
JS		 6997 goto out_error;
6998 }
82c3e9ba
JS		 6999 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7000 "2575 Reducing IO channels to match number of "
7001 "available EQs: from %d to %d\n",
7002 cfg_fcp_io_channel,
7003 phba->sli4_hba.max_cfg_param.max_eq);
1ba981fd
JS		 7004 cfg_fcp_io_channel = phba->sli4_hba.max_cfg_param.max_eq -
7005 fof_vectors;
da0436e9 7006 }
67d12733 7007
da0436e9 7008 /* The actual number of FCP event queues adopted */
67d12733 7009 phba->cfg_fcp_io_channel = cfg_fcp_io_channel;
3772a991 7010
da0436e9
JS		 7011 /* Get EQ depth from module parameter, fake the default for now */
7012 phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
7013 phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT;
3772a991 7014
5350d872
JS		 7015 /* Get CQ depth from module parameter, fake the default for now */
7016 phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
7017 phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;
7018
7019 return 0;
7020out_error:
7021 return -ENOMEM;
7022}
7023
7024/**
7025 * lpfc_sli4_queue_create - Create all the SLI4 queues
7026 * @phba: pointer to lpfc hba data structure.
7027 *
7028 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
7029 * operation. For each SLI4 queue type, the parameters such as queue entry
7030 * count (queue depth) shall be taken from the module parameter. For now,
7031 * we just use some constant number as place holder.
7032 *
7033 * Return codes
4907cb7b 7034 * 0 - successful
5350d872
JS		 7035 * -ENOMEM - No availble memory
7036 * -EIO - The mailbox failed to complete successfully.
7037 **/
7038int
7039lpfc_sli4_queue_create(struct lpfc_hba *phba)
7040{
7041 struct lpfc_queue *qdesc;
67d12733 7042 int idx;
5350d872
JS		 7043
7044 /*
67d12733 7045 * Create HBA Record arrays.
5350d872 7046 */
67d12733
JS		 7047 if (!phba->cfg_fcp_io_channel)
7048 return -ERANGE;
5350d872 7049
67d12733
JS		 7050 phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
7051 phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT;
7052 phba->sli4_hba.wq_esize = LPFC_WQE_SIZE;
7053 phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT;
7054 phba->sli4_hba.rq_esize = LPFC_RQE_SIZE;
7055 phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT;
7056
7057 phba->sli4_hba.hba_eq = kzalloc((sizeof(struct lpfc_queue *) *
7058 phba->cfg_fcp_io_channel), GFP_KERNEL);
7059 if (!phba->sli4_hba.hba_eq) {
7060 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7061 "2576 Failed allocate memory for "
7062 "fast-path EQ record array\n");
7063 goto out_error;
7064 }
7065
7066 phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) *
7067 phba->cfg_fcp_io_channel), GFP_KERNEL);
7068 if (!phba->sli4_hba.fcp_cq) {
da0436e9 7069 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
67d12733
JS		 7070 "2577 Failed allocate memory for fast-path "
7071 "CQ record array\n");
7072 goto out_error;
7073 }
7074
7075 phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) *
7076 phba->cfg_fcp_io_channel), GFP_KERNEL);
7077 if (!phba->sli4_hba.fcp_wq) {
7078 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7079 "2578 Failed allocate memory for fast-path "
7080 "WQ record array\n");
da0436e9
JS		 7081 goto out_error;
7082 }
da0436e9 7083
5350d872 7084 /*
67d12733
JS		 7085 * Since the first EQ can have multiple CQs associated with it,
7086 * this array is used to quickly see if we have a FCP fast-path
7087 * CQ match.
5350d872 7088 */
67d12733
JS		 7089 phba->sli4_hba.fcp_cq_map = kzalloc((sizeof(uint16_t) *
7090 phba->cfg_fcp_io_channel), GFP_KERNEL);
7091 if (!phba->sli4_hba.fcp_cq_map) {
7092 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7093 "2545 Failed allocate memory for fast-path "
7094 "CQ map\n");
7095 goto out_error;
da0436e9 7096 }
67d12733
JS		 7097
7098 /*
7099 * Create HBA Event Queues (EQs). The cfg_fcp_io_channel specifies
7100 * how many EQs to create.
7101 */
7102 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7103
7104 /* Create EQs */
da0436e9
JS		 7105 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
7106 phba->sli4_hba.eq_ecount);
7107 if (!qdesc) {
7108 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
67d12733
JS		 7109 "0497 Failed allocate EQ (%d)\n", idx);
7110 goto out_error;
da0436e9 7111 }
67d12733
JS		 7112 phba->sli4_hba.hba_eq[idx] = qdesc;
7113
7114 /* Create Fast Path FCP CQs */
7115 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
7116 phba->sli4_hba.cq_ecount);
7117 if (!qdesc) {
7118 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7119 "0499 Failed allocate fast-path FCP "
7120 "CQ (%d)\n", idx);
7121 goto out_error;
7122 }
7123 phba->sli4_hba.fcp_cq[idx] = qdesc;
7124
7125 /* Create Fast Path FCP WQs */
7126 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
7127 phba->sli4_hba.wq_ecount);
7128 if (!qdesc) {
7129 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7130 "0503 Failed allocate fast-path FCP "
7131 "WQ (%d)\n", idx);
7132 goto out_error;
7133 }
7134 phba->sli4_hba.fcp_wq[idx] = qdesc;
da0436e9
JS		 7135 }
7136
67d12733 7137
da0436e9 7138 /*
67d12733 7139 * Create Slow Path Completion Queues (CQs)
da0436e9
JS		 7140 */
7141
da0436e9
JS		 7142 /* Create slow-path Mailbox Command Complete Queue */
7143 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
7144 phba->sli4_hba.cq_ecount);
7145 if (!qdesc) {
7146 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7147 "0500 Failed allocate slow-path mailbox CQ\n");
67d12733 7148 goto out_error;
da0436e9
JS		 7149 }
7150 phba->sli4_hba.mbx_cq = qdesc;
7151
7152 /* Create slow-path ELS Complete Queue */
7153 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
7154 phba->sli4_hba.cq_ecount);
7155 if (!qdesc) {
7156 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7157 "0501 Failed allocate slow-path ELS CQ\n");
67d12733 7158 goto out_error;
da0436e9
JS		 7159 }
7160 phba->sli4_hba.els_cq = qdesc;
7161
da0436e9 7162
5350d872 7163 /*
67d12733 7164 * Create Slow Path Work Queues (WQs)
5350d872 7165 */
da0436e9
JS		 7166
7167 /* Create Mailbox Command Queue */
da0436e9
JS		 7168
7169 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize,
7170 phba->sli4_hba.mq_ecount);
7171 if (!qdesc) {
7172 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7173 "0505 Failed allocate slow-path MQ\n");
67d12733 7174 goto out_error;
da0436e9
JS		 7175 }
7176 phba->sli4_hba.mbx_wq = qdesc;
7177
7178 /*
67d12733 7179 * Create ELS Work Queues
da0436e9 7180 */
da0436e9
JS		 7181
7182 /* Create slow-path ELS Work Queue */
7183 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
7184 phba->sli4_hba.wq_ecount);
7185 if (!qdesc) {
7186 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7187 "0504 Failed allocate slow-path ELS WQ\n");
67d12733 7188 goto out_error;
da0436e9
JS		 7189 }
7190 phba->sli4_hba.els_wq = qdesc;
7191
da0436e9
JS		 7192 /*
7193 * Create Receive Queue (RQ)
7194 */
da0436e9
JS		 7195
7196 /* Create Receive Queue for header */
7197 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
7198 phba->sli4_hba.rq_ecount);
7199 if (!qdesc) {
7200 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7201 "0506 Failed allocate receive HRQ\n");
67d12733 7202 goto out_error;
da0436e9
JS		 7203 }
7204 phba->sli4_hba.hdr_rq = qdesc;
7205
7206 /* Create Receive Queue for data */
7207 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
7208 phba->sli4_hba.rq_ecount);
7209 if (!qdesc) {
7210 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7211 "0507 Failed allocate receive DRQ\n");
67d12733 7212 goto out_error;
da0436e9
JS		 7213 }
7214 phba->sli4_hba.dat_rq = qdesc;
7215
1ba981fd
JS		 7216 /* Create the Queues needed for Flash Optimized Fabric operations */
7217 if (phba->cfg_fof)
7218 lpfc_fof_queue_create(phba);
da0436e9
JS		 7219 return 0;
7220
da0436e9 7221out_error:
67d12733 7222 lpfc_sli4_queue_destroy(phba);
da0436e9
JS		 7223 return -ENOMEM;
7224}
7225
7226/**
7227 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
7228 * @phba: pointer to lpfc hba data structure.
7229 *
7230 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
7231 * operation.
7232 *
7233 * Return codes
af901ca1 7234 * 0 - successful
25985edc 7235 * -ENOMEM - No available memory
d439d286 7236 * -EIO - The mailbox failed to complete successfully.
da0436e9 7237 **/
5350d872 7238void
da0436e9
JS		 7239lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
7240{
67d12733
JS		 7241 int idx;
7242
1ba981fd
JS		 7243 if (phba->cfg_fof)
7244 lpfc_fof_queue_destroy(phba);
7245
67d12733
JS		 7246 if (phba->sli4_hba.hba_eq != NULL) {
7247 /* Release HBA event queue */
7248 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7249 if (phba->sli4_hba.hba_eq[idx] != NULL) {
7250 lpfc_sli4_queue_free(
7251 phba->sli4_hba.hba_eq[idx]);
7252 phba->sli4_hba.hba_eq[idx] = NULL;
7253 }
7254 }
7255 kfree(phba->sli4_hba.hba_eq);
7256 phba->sli4_hba.hba_eq = NULL;
7257 }
7258
7259 if (phba->sli4_hba.fcp_cq != NULL) {
7260 /* Release FCP completion queue */
7261 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7262 if (phba->sli4_hba.fcp_cq[idx] != NULL) {
7263 lpfc_sli4_queue_free(
7264 phba->sli4_hba.fcp_cq[idx]);
7265 phba->sli4_hba.fcp_cq[idx] = NULL;
7266 }
7267 }
7268 kfree(phba->sli4_hba.fcp_cq);
7269 phba->sli4_hba.fcp_cq = NULL;
7270 }
7271
7272 if (phba->sli4_hba.fcp_wq != NULL) {
7273 /* Release FCP work queue */
7274 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) {
7275 if (phba->sli4_hba.fcp_wq[idx] != NULL) {
7276 lpfc_sli4_queue_free(
7277 phba->sli4_hba.fcp_wq[idx]);
7278 phba->sli4_hba.fcp_wq[idx] = NULL;
7279 }
7280 }
7281 kfree(phba->sli4_hba.fcp_wq);
7282 phba->sli4_hba.fcp_wq = NULL;
7283 }
7284
7285 /* Release FCP CQ mapping array */
7286 if (phba->sli4_hba.fcp_cq_map != NULL) {
7287 kfree(phba->sli4_hba.fcp_cq_map);
7288 phba->sli4_hba.fcp_cq_map = NULL;
7289 }
da0436e9
JS		 7290
7291 /* Release mailbox command work queue */
67d12733
JS		 7292 if (phba->sli4_hba.mbx_wq != NULL) {
7293 lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
7294 phba->sli4_hba.mbx_wq = NULL;
7295 }
da0436e9
JS		 7296
7297 /* Release ELS work queue */
67d12733
JS		 7298 if (phba->sli4_hba.els_wq != NULL) {
7299 lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
7300 phba->sli4_hba.els_wq = NULL;
7301 }
da0436e9
JS		 7302
7303 /* Release unsolicited receive queue */
67d12733
JS		 7304 if (phba->sli4_hba.hdr_rq != NULL) {
7305 lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
7306 phba->sli4_hba.hdr_rq = NULL;
7307 }
7308 if (phba->sli4_hba.dat_rq != NULL) {
7309 lpfc_sli4_queue_free(phba->sli4_hba.dat_rq);
7310 phba->sli4_hba.dat_rq = NULL;
7311 }
da0436e9 7312
da0436e9 7313 /* Release ELS complete queue */
67d12733
JS		 7314 if (phba->sli4_hba.els_cq != NULL) {
7315 lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
7316 phba->sli4_hba.els_cq = NULL;
7317 }
da0436e9
JS		 7318
7319 /* Release mailbox command complete queue */
67d12733
JS		 7320 if (phba->sli4_hba.mbx_cq != NULL) {
7321 lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
7322 phba->sli4_hba.mbx_cq = NULL;
7323 }
da0436e9
JS		 7324
7325 return;
7326}
7327
7328/**
7329 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
7330 * @phba: pointer to lpfc hba data structure.
7331 *
7332 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
7333 * operation.
7334 *
7335 * Return codes
af901ca1 7336 * 0 - successful
25985edc 7337 * -ENOMEM - No available memory
d439d286 7338 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7339 **/
7340int
7341lpfc_sli4_queue_setup(struct lpfc_hba *phba)
7342{
2a76a283
JS		 7343 struct lpfc_sli *psli = &phba->sli;
7344 struct lpfc_sli_ring *pring;
da0436e9
JS		 7345 int rc = -ENOMEM;
7346 int fcp_eqidx, fcp_cqidx, fcp_wqidx;
7347 int fcp_cq_index = 0;
962bc51b
JS		 7348 uint32_t shdr_status, shdr_add_status;
7349 union lpfc_sli4_cfg_shdr *shdr;
7350 LPFC_MBOXQ_t *mboxq;
7351 uint32_t length;
7352
7353 /* Check for dual-ULP support */
7354 mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
7355 if (!mboxq) {
7356 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7357 "3249 Unable to allocate memory for "
7358 "QUERY_FW_CFG mailbox command\n");
7359 return -ENOMEM;
7360 }
7361 length = (sizeof(struct lpfc_mbx_query_fw_config) -
7362 sizeof(struct lpfc_sli4_cfg_mhdr));
7363 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
7364 LPFC_MBOX_OPCODE_QUERY_FW_CFG,
7365 length, LPFC_SLI4_MBX_EMBED);
7366
7367 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
7368
7369 shdr = (union lpfc_sli4_cfg_shdr *)
7370 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
7371 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
7372 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
7373 if (shdr_status || shdr_add_status || rc) {
7374 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7375 "3250 QUERY_FW_CFG mailbox failed with status "
7376 "x%x add_status x%x, mbx status x%x\n",
7377 shdr_status, shdr_add_status, rc);
7378 if (rc != MBX_TIMEOUT)
7379 mempool_free(mboxq, phba->mbox_mem_pool);
7380 rc = -ENXIO;
7381 goto out_error;
7382 }
7383
7384 phba->sli4_hba.fw_func_mode =
7385 mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode;
7386 phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode;
7387 phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode;
7388 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7389 "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
7390 "ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode,
7391 phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode);
7392
7393 if (rc != MBX_TIMEOUT)
7394 mempool_free(mboxq, phba->mbox_mem_pool);
da0436e9
JS		 7395
7396 /*
67d12733 7397 * Set up HBA Event Queues (EQs)
da0436e9
JS		 7398 */
7399
67d12733
JS		 7400 /* Set up HBA event queue */
7401 if (phba->cfg_fcp_io_channel && !phba->sli4_hba.hba_eq) {
2e90f4b5
JS		 7402 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7403 "3147 Fast-path EQs not allocated\n");
1b51197d 7404 rc = -ENOMEM;
67d12733 7405 goto out_error;
2e90f4b5 7406 }
67d12733
JS		 7407 for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_io_channel; fcp_eqidx++) {
7408 if (!phba->sli4_hba.hba_eq[fcp_eqidx]) {
da0436e9
JS		 7409 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7410 "0522 Fast-path EQ (%d) not "
7411 "allocated\n", fcp_eqidx);
1b51197d 7412 rc = -ENOMEM;
67d12733 7413 goto out_destroy_hba_eq;
da0436e9 7414 }
67d12733 7415 rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[fcp_eqidx],
bf8dae83 7416 (phba->cfg_fcp_imax / phba->cfg_fcp_io_channel));
da0436e9
JS		 7417 if (rc) {
7418 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7419 "0523 Failed setup of fast-path EQ "
7420 "(%d), rc = 0x%x\n", fcp_eqidx, rc);
67d12733 7421 goto out_destroy_hba_eq;
da0436e9
JS		 7422 }
7423 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
67d12733 7424 "2584 HBA EQ setup: "
da0436e9 7425 "queue[%d]-id=%d\n", fcp_eqidx,
67d12733 7426 phba->sli4_hba.hba_eq[fcp_eqidx]->queue_id);
da0436e9
JS		 7427 }
7428
67d12733
JS		 7429 /* Set up fast-path FCP Response Complete Queue */
7430 if (!phba->sli4_hba.fcp_cq) {
7431 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7432 "3148 Fast-path FCP CQ array not "
7433 "allocated\n");
7434 rc = -ENOMEM;
7435 goto out_destroy_hba_eq;
7436 }
7437
7438 for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_io_channel; fcp_cqidx++) {
7439 if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) {
7440 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7441 "0526 Fast-path FCP CQ (%d) not "
7442 "allocated\n", fcp_cqidx);
7443 rc = -ENOMEM;
7444 goto out_destroy_fcp_cq;
7445 }
7446 rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx],
7447 phba->sli4_hba.hba_eq[fcp_cqidx], LPFC_WCQ, LPFC_FCP);
7448 if (rc) {
7449 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7450 "0527 Failed setup of fast-path FCP "
7451 "CQ (%d), rc = 0x%x\n", fcp_cqidx, rc);
7452 goto out_destroy_fcp_cq;
7453 }
7454
7455 /* Setup fcp_cq_map for fast lookup */
7456 phba->sli4_hba.fcp_cq_map[fcp_cqidx] =
7457 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id;
7458
7459 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7460 "2588 FCP CQ setup: cq[%d]-id=%d, "
7461 "parent seq[%d]-id=%d\n",
7462 fcp_cqidx,
7463 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id,
7464 fcp_cqidx,
7465 phba->sli4_hba.hba_eq[fcp_cqidx]->queue_id);
7466 }
7467
7468 /* Set up fast-path FCP Work Queue */
7469 if (!phba->sli4_hba.fcp_wq) {
7470 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7471 "3149 Fast-path FCP WQ array not "
7472 "allocated\n");
7473 rc = -ENOMEM;
7474 goto out_destroy_fcp_cq;
7475 }
7476
7477 for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_io_channel; fcp_wqidx++) {
7478 if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) {
7479 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7480 "0534 Fast-path FCP WQ (%d) not "
7481 "allocated\n", fcp_wqidx);
7482 rc = -ENOMEM;
7483 goto out_destroy_fcp_wq;
7484 }
7485 rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx],
7486 phba->sli4_hba.fcp_cq[fcp_wqidx],
7487 LPFC_FCP);
7488 if (rc) {
7489 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7490 "0535 Failed setup of fast-path FCP "
7491 "WQ (%d), rc = 0x%x\n", fcp_wqidx, rc);
7492 goto out_destroy_fcp_wq;
7493 }
7494
7495 /* Bind this WQ to the next FCP ring */
7496 pring = &psli->ring[MAX_SLI3_CONFIGURED_RINGS + fcp_wqidx];
7497 pring->sli.sli4.wqp = (void *)phba->sli4_hba.fcp_wq[fcp_wqidx];
7498 phba->sli4_hba.fcp_cq[fcp_wqidx]->pring = pring;
7499
7500 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7501 "2591 FCP WQ setup: wq[%d]-id=%d, "
7502 "parent cq[%d]-id=%d\n",
7503 fcp_wqidx,
7504 phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id,
7505 fcp_cq_index,
7506 phba->sli4_hba.fcp_cq[fcp_wqidx]->queue_id);
7507 }
da0436e9
JS		 7508 /*
7509 * Set up Complete Queues (CQs)
7510 */
7511
7512 /* Set up slow-path MBOX Complete Queue as the first CQ */
7513 if (!phba->sli4_hba.mbx_cq) {
7514 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7515 "0528 Mailbox CQ not allocated\n");
1b51197d 7516 rc = -ENOMEM;
67d12733 7517 goto out_destroy_fcp_wq;
da0436e9 7518 }
67d12733
JS		 7519 rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq,
7520 phba->sli4_hba.hba_eq[0], LPFC_MCQ, LPFC_MBOX);
da0436e9
JS		 7521 if (rc) {
7522 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7523 "0529 Failed setup of slow-path mailbox CQ: "
7524 "rc = 0x%x\n", rc);
67d12733 7525 goto out_destroy_fcp_wq;
da0436e9
JS		 7526 }
7527 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7528 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
7529 phba->sli4_hba.mbx_cq->queue_id,
67d12733 7530 phba->sli4_hba.hba_eq[0]->queue_id);
da0436e9
JS		 7531
7532 /* Set up slow-path ELS Complete Queue */
7533 if (!phba->sli4_hba.els_cq) {
7534 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7535 "0530 ELS CQ not allocated\n");
1b51197d 7536 rc = -ENOMEM;
da0436e9
JS		 7537 goto out_destroy_mbx_cq;
7538 }
67d12733
JS		 7539 rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq,
7540 phba->sli4_hba.hba_eq[0], LPFC_WCQ, LPFC_ELS);
da0436e9
JS		 7541 if (rc) {
7542 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7543 "0531 Failed setup of slow-path ELS CQ: "
7544 "rc = 0x%x\n", rc);
7545 goto out_destroy_mbx_cq;
7546 }
7547 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7548 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
7549 phba->sli4_hba.els_cq->queue_id,
67d12733 7550 phba->sli4_hba.hba_eq[0]->queue_id);
da0436e9
JS		 7551
7552 /*
7553 * Set up all the Work Queues (WQs)
7554 */
7555
7556 /* Set up Mailbox Command Queue */
7557 if (!phba->sli4_hba.mbx_wq) {
7558 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7559 "0538 Slow-path MQ not allocated\n");
1b51197d 7560 rc = -ENOMEM;
67d12733 7561 goto out_destroy_els_cq;
da0436e9
JS		 7562 }
7563 rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq,
7564 phba->sli4_hba.mbx_cq, LPFC_MBOX);
7565 if (rc) {
7566 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7567 "0539 Failed setup of slow-path MQ: "
7568 "rc = 0x%x\n", rc);
67d12733 7569 goto out_destroy_els_cq;
da0436e9
JS		 7570 }
7571 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7572 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
7573 phba->sli4_hba.mbx_wq->queue_id,
7574 phba->sli4_hba.mbx_cq->queue_id);
7575
7576 /* Set up slow-path ELS Work Queue */
7577 if (!phba->sli4_hba.els_wq) {
7578 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7579 "0536 Slow-path ELS WQ not allocated\n");
1b51197d 7580 rc = -ENOMEM;
da0436e9
JS		 7581 goto out_destroy_mbx_wq;
7582 }
7583 rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq,
7584 phba->sli4_hba.els_cq, LPFC_ELS);
7585 if (rc) {
7586 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7587 "0537 Failed setup of slow-path ELS WQ: "
7588 "rc = 0x%x\n", rc);
7589 goto out_destroy_mbx_wq;
7590 }
2a76a283
JS		 7591
7592 /* Bind this WQ to the ELS ring */
7593 pring = &psli->ring[LPFC_ELS_RING];
7594 pring->sli.sli4.wqp = (void *)phba->sli4_hba.els_wq;
7595 phba->sli4_hba.els_cq->pring = pring;
7596
da0436e9
JS		 7597 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7598 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
7599 phba->sli4_hba.els_wq->queue_id,
7600 phba->sli4_hba.els_cq->queue_id);
7601
da0436e9
JS		 7602 /*
7603 * Create Receive Queue (RQ)
7604 */
7605 if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) {
7606 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7607 "0540 Receive Queue not allocated\n");
1b51197d 7608 rc = -ENOMEM;
67d12733 7609 goto out_destroy_els_wq;
da0436e9 7610 }
73d91e50
JS		 7611
7612 lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ);
7613 lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ);
7614
da0436e9 7615 rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
4d9ab994 7616 phba->sli4_hba.els_cq, LPFC_USOL);
da0436e9
JS		 7617 if (rc) {
7618 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7619 "0541 Failed setup of Receive Queue: "
7620 "rc = 0x%x\n", rc);
7621 goto out_destroy_fcp_wq;
7622 }
73d91e50 7623
da0436e9
JS		 7624 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7625 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
7626 "parent cq-id=%d\n",
7627 phba->sli4_hba.hdr_rq->queue_id,
7628 phba->sli4_hba.dat_rq->queue_id,
4d9ab994 7629 phba->sli4_hba.els_cq->queue_id);
1ba981fd
JS		 7630
7631 if (phba->cfg_fof) {
7632 rc = lpfc_fof_queue_setup(phba);
7633 if (rc) {
7634 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7635 "0549 Failed setup of FOF Queues: "
7636 "rc = 0x%x\n", rc);
7637 goto out_destroy_els_rq;
7638 }
7639 }
da0436e9
JS		 7640 return 0;
7641
1ba981fd
JS		 7642out_destroy_els_rq:
7643 lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
2e90f4b5 7644out_destroy_els_wq:
da0436e9
JS		 7645 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
7646out_destroy_mbx_wq:
7647 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
2e90f4b5 7648out_destroy_els_cq:
da0436e9
JS		 7649 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
7650out_destroy_mbx_cq:
7651 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
67d12733
JS		 7652out_destroy_fcp_wq:
7653 for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--)
7654 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]);
7655out_destroy_fcp_cq:
7656 for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--)
7657 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]);
7658out_destroy_hba_eq:
da0436e9 7659 for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--)
67d12733 7660 lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_eqidx]);
da0436e9
JS		 7661out_error:
7662 return rc;
7663}
7664
7665/**
7666 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
7667 * @phba: pointer to lpfc hba data structure.
7668 *
7669 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
7670 * operation.
7671 *
7672 * Return codes
af901ca1 7673 * 0 - successful
25985edc 7674 * -ENOMEM - No available memory
d439d286 7675 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7676 **/
7677void
7678lpfc_sli4_queue_unset(struct lpfc_hba *phba)
7679{
7680 int fcp_qidx;
7681
1ba981fd
JS		 7682 /* Unset the queues created for Flash Optimized Fabric operations */
7683 if (phba->cfg_fof)
7684 lpfc_fof_queue_destroy(phba);
da0436e9
JS		 7685 /* Unset mailbox command work queue */
7686 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
7687 /* Unset ELS work queue */
7688 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
7689 /* Unset unsolicited receive queue */
7690 lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
7691 /* Unset FCP work queue */
67d12733
JS		 7692 if (phba->sli4_hba.fcp_wq) {
7693 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
7694 fcp_qidx++)
7695 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]);
7696 }
da0436e9
JS		 7697 /* Unset mailbox command complete queue */
7698 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
7699 /* Unset ELS complete queue */
7700 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
da0436e9 7701 /* Unset FCP response complete queue */
2e90f4b5 7702 if (phba->sli4_hba.fcp_cq) {
67d12733
JS		 7703 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
7704 fcp_qidx++)
2e90f4b5 7705 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]);
2e90f4b5 7706 }
da0436e9 7707 /* Unset fast-path event queue */
67d12733
JS		 7708 if (phba->sli4_hba.hba_eq) {
7709 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_io_channel;
2e90f4b5 7710 fcp_qidx++)
67d12733 7711 lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[fcp_qidx]);
2e90f4b5 7712 }
da0436e9
JS		 7713}
7714
7715/**
7716 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
7717 * @phba: pointer to lpfc hba data structure.
7718 *
7719 * This routine is invoked to allocate and set up a pool of completion queue
7720 * events. The body of the completion queue event is a completion queue entry
7721 * CQE. For now, this pool is used for the interrupt service routine to queue
7722 * the following HBA completion queue events for the worker thread to process:
7723 * - Mailbox asynchronous events
7724 * - Receive queue completion unsolicited events
7725 * Later, this can be used for all the slow-path events.
7726 *
7727 * Return codes
af901ca1 7728 * 0 - successful
25985edc 7729 * -ENOMEM - No available memory
da0436e9
JS		 7730 **/
7731static int
7732lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba)
7733{
7734 struct lpfc_cq_event *cq_event;
7735 int i;
7736
7737 for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) {
7738 cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL);
7739 if (!cq_event)
7740 goto out_pool_create_fail;
7741 list_add_tail(&cq_event->list,
7742 &phba->sli4_hba.sp_cqe_event_pool);
7743 }
7744 return 0;
7745
7746out_pool_create_fail:
7747 lpfc_sli4_cq_event_pool_destroy(phba);
7748 return -ENOMEM;
7749}
7750
7751/**
7752 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
7753 * @phba: pointer to lpfc hba data structure.
7754 *
7755 * This routine is invoked to free the pool of completion queue events at
7756 * driver unload time. Note that, it is the responsibility of the driver
7757 * cleanup routine to free all the outstanding completion-queue events
7758 * allocated from this pool back into the pool before invoking this routine
7759 * to destroy the pool.
7760 **/
7761static void
7762lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba)
7763{
7764 struct lpfc_cq_event *cq_event, *next_cq_event;
7765
7766 list_for_each_entry_safe(cq_event, next_cq_event,
7767 &phba->sli4_hba.sp_cqe_event_pool, list) {
7768 list_del(&cq_event->list);
7769 kfree(cq_event);
7770 }
7771}
7772
7773/**
7774 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7775 * @phba: pointer to lpfc hba data structure.
7776 *
7777 * This routine is the lock free version of the API invoked to allocate a
7778 * completion-queue event from the free pool.
7779 *
7780 * Return: Pointer to the newly allocated completion-queue event if successful
7781 * NULL otherwise.
7782 **/
7783struct lpfc_cq_event *
7784__lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
7785{
7786 struct lpfc_cq_event *cq_event = NULL;
7787
7788 list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event,
7789 struct lpfc_cq_event, list);
7790 return cq_event;
7791}
7792
7793/**
7794 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
7795 * @phba: pointer to lpfc hba data structure.
7796 *
7797 * This routine is the lock version of the API invoked to allocate a
7798 * completion-queue event from the free pool.
7799 *
7800 * Return: Pointer to the newly allocated completion-queue event if successful
7801 * NULL otherwise.
7802 **/
7803struct lpfc_cq_event *
7804lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
7805{
7806 struct lpfc_cq_event *cq_event;
7807 unsigned long iflags;
7808
7809 spin_lock_irqsave(&phba->hbalock, iflags);
7810 cq_event = __lpfc_sli4_cq_event_alloc(phba);
7811 spin_unlock_irqrestore(&phba->hbalock, iflags);
7812 return cq_event;
7813}
7814
7815/**
7816 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7817 * @phba: pointer to lpfc hba data structure.
7818 * @cq_event: pointer to the completion queue event to be freed.
7819 *
7820 * This routine is the lock free version of the API invoked to release a
7821 * completion-queue event back into the free pool.
7822 **/
7823void
7824__lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
7825 struct lpfc_cq_event *cq_event)
7826{
7827 list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool);
7828}
7829
7830/**
7831 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
7832 * @phba: pointer to lpfc hba data structure.
7833 * @cq_event: pointer to the completion queue event to be freed.
7834 *
7835 * This routine is the lock version of the API invoked to release a
7836 * completion-queue event back into the free pool.
7837 **/
7838void
7839lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
7840 struct lpfc_cq_event *cq_event)
7841{
7842 unsigned long iflags;
7843 spin_lock_irqsave(&phba->hbalock, iflags);
7844 __lpfc_sli4_cq_event_release(phba, cq_event);
7845 spin_unlock_irqrestore(&phba->hbalock, iflags);
7846}
7847
7848/**
7849 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
7850 * @phba: pointer to lpfc hba data structure.
7851 *
7852 * This routine is to free all the pending completion-queue events to the
7853 * back into the free pool for device reset.
7854 **/
7855static void
7856lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba)
7857{
7858 LIST_HEAD(cqelist);
7859 struct lpfc_cq_event *cqe;
7860 unsigned long iflags;
7861
7862 /* Retrieve all the pending WCQEs from pending WCQE lists */
7863 spin_lock_irqsave(&phba->hbalock, iflags);
7864 /* Pending FCP XRI abort events */
7865 list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue,
7866 &cqelist);
7867 /* Pending ELS XRI abort events */
7868 list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue,
7869 &cqelist);
7870 /* Pending asynnc events */
7871 list_splice_init(&phba->sli4_hba.sp_asynce_work_queue,
7872 &cqelist);
7873 spin_unlock_irqrestore(&phba->hbalock, iflags);
7874
7875 while (!list_empty(&cqelist)) {
7876 list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list);
7877 lpfc_sli4_cq_event_release(phba, cqe);
7878 }
7879}
7880
7881/**
7882 * lpfc_pci_function_reset - Reset pci function.
7883 * @phba: pointer to lpfc hba data structure.
7884 *
7885 * This routine is invoked to request a PCI function reset. It will destroys
7886 * all resources assigned to the PCI function which originates this request.
7887 *
7888 * Return codes
af901ca1 7889 * 0 - successful
25985edc 7890 * -ENOMEM - No available memory
d439d286 7891 * -EIO - The mailbox failed to complete successfully.
da0436e9
JS		 7892 **/
7893int
7894lpfc_pci_function_reset(struct lpfc_hba *phba)
7895{
7896 LPFC_MBOXQ_t *mboxq;
2fcee4bf 7897 uint32_t rc = 0, if_type;
da0436e9 7898 uint32_t shdr_status, shdr_add_status;
2fcee4bf 7899 uint32_t rdy_chk, num_resets = 0, reset_again = 0;
da0436e9 7900 union lpfc_sli4_cfg_shdr *shdr;
2fcee4bf 7901 struct lpfc_register reg_data;
2b81f942 7902 uint16_t devid;
da0436e9 7903
2fcee4bf
JS		 7904 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
7905 switch (if_type) {
7906 case LPFC_SLI_INTF_IF_TYPE_0:
7907 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
7908 GFP_KERNEL);
7909 if (!mboxq) {
7910 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7911 "0494 Unable to allocate memory for "
7912 "issuing SLI_FUNCTION_RESET mailbox "
7913 "command\n");
7914 return -ENOMEM;
7915 }
da0436e9 7916
2fcee4bf
JS		 7917 /* Setup PCI function reset mailbox-ioctl command */
7918 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
7919 LPFC_MBOX_OPCODE_FUNCTION_RESET, 0,
7920 LPFC_SLI4_MBX_EMBED);
7921 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
7922 shdr = (union lpfc_sli4_cfg_shdr *)
7923 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
7924 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
7925 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
7926 &shdr->response);
7927 if (rc != MBX_TIMEOUT)
7928 mempool_free(mboxq, phba->mbox_mem_pool);
7929 if (shdr_status || shdr_add_status || rc) {
7930 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7931 "0495 SLI_FUNCTION_RESET mailbox "
7932 "failed with status x%x add_status x%x,"
7933 " mbx status x%x\n",
7934 shdr_status, shdr_add_status, rc);
7935 rc = -ENXIO;
7936 }
7937 break;
7938 case LPFC_SLI_INTF_IF_TYPE_2:
7939 for (num_resets = 0;
7940 num_resets < MAX_IF_TYPE_2_RESETS;
7941 num_resets++) {
7942 reg_data.word0 = 0;
7943 bf_set(lpfc_sliport_ctrl_end, &reg_data,
7944 LPFC_SLIPORT_LITTLE_ENDIAN);
7945 bf_set(lpfc_sliport_ctrl_ip, &reg_data,
7946 LPFC_SLIPORT_INIT_PORT);
7947 writel(reg_data.word0, phba->sli4_hba.u.if_type2.
7948 CTRLregaddr);
8fcb8acd 7949 /* flush */
2b81f942
JS		 7950 pci_read_config_word(phba->pcidev,
7951 PCI_DEVICE_ID, &devid);
2fcee4bf
JS		 7952 /*
7953 * Poll the Port Status Register and wait for RDY for
7954 * up to 10 seconds. If the port doesn't respond, treat
7955 * it as an error. If the port responds with RN, start
7956 * the loop again.
7957 */
7958 for (rdy_chk = 0; rdy_chk < 1000; rdy_chk++) {
73d91e50 7959 msleep(10);
9940b97b
JS		 7960 if (lpfc_readl(phba->sli4_hba.u.if_type2.
7961 STATUSregaddr, &reg_data.word0)) {
7962 rc = -ENODEV;
73d91e50 7963 goto out;
9940b97b 7964 }
6b5151fd 7965 if (bf_get(lpfc_sliport_status_rn, &reg_data))
2fcee4bf 7966 reset_again++;
6b5151fd 7967 if (bf_get(lpfc_sliport_status_rdy, &reg_data))
2fcee4bf 7968 break;
2fcee4bf
JS		 7969 }
7970
7971 /*
7972 * If the port responds to the init request with
7973 * reset needed, delay for a bit and restart the loop.
7974 */
6b5151fd 7975 if (reset_again && (rdy_chk < 1000)) {
2fcee4bf
JS		 7976 msleep(10);
7977 reset_again = 0;
7978 continue;
7979 }
7980
7981 /* Detect any port errors. */
2fcee4bf
JS		 7982 if ((bf_get(lpfc_sliport_status_err, &reg_data)) ||
7983 (rdy_chk >= 1000)) {
7984 phba->work_status[0] = readl(
7985 phba->sli4_hba.u.if_type2.ERR1regaddr);
7986 phba->work_status[1] = readl(
7987 phba->sli4_hba.u.if_type2.ERR2regaddr);
7988 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8fcb8acd 7989 "2890 Port error detected during port "
8a9d2e80
JS		 7990 "reset(%d): wait_tmo:%d ms, "
7991 "port status reg 0x%x, "
2fcee4bf 7992 "error 1=0x%x, error 2=0x%x\n",
8a9d2e80
JS		 7993 num_resets, rdy_chk*10,
7994 reg_data.word0,
2fcee4bf
JS		 7995 phba->work_status[0],
7996 phba->work_status[1]);
7997 rc = -ENODEV;
7998 }
7999
8000 /*
8001 * Terminate the outer loop provided the Port indicated
8002 * ready within 10 seconds.
8003 */
8004 if (rdy_chk < 1000)
8005 break;
8006 }
0558056c
JS		 8007 /* delay driver action following IF_TYPE_2 function reset */
8008 msleep(100);
2fcee4bf
JS		 8009 break;
8010 case LPFC_SLI_INTF_IF_TYPE_1:
8011 default:
8012 break;
da0436e9 8013 }
2fcee4bf 8014
73d91e50 8015out:
2fcee4bf 8016 /* Catch the not-ready port failure after a port reset. */
229adb0e
JS		 8017 if (num_resets >= MAX_IF_TYPE_2_RESETS) {
8018 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8019 "3317 HBA not functional: IP Reset Failed "
8020 "after (%d) retries, try: "
8021 "echo fw_reset > board_mode\n", num_resets);
2fcee4bf 8022 rc = -ENODEV;
229adb0e 8023 }
2fcee4bf 8024
da0436e9
JS		 8025 return rc;
8026}
8027
da0436e9
JS		 8028/**
8029 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
8030 * @phba: pointer to lpfc hba data structure.
8031 *
8032 * This routine is invoked to set up the PCI device memory space for device
8033 * with SLI-4 interface spec.
8034 *
8035 * Return codes
af901ca1 8036 * 0 - successful
da0436e9
JS		 8037 * other values - error
8038 **/
8039static int
8040lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
8041{
8042 struct pci_dev *pdev;
8043 unsigned long bar0map_len, bar1map_len, bar2map_len;
8044 int error = -ENODEV;
2fcee4bf 8045 uint32_t if_type;
da0436e9
JS		 8046
8047 /* Obtain PCI device reference */
8048 if (!phba->pcidev)
8049 return error;
8050 else
8051 pdev = phba->pcidev;
8052
8053 /* Set the device DMA mask size */
8e68597d
MR		 8054 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0
8055 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(64)) != 0) {
8056 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0
8057 || pci_set_consistent_dma_mask(pdev,DMA_BIT_MASK(32)) != 0) {
da0436e9 8058 return error;
8e68597d
MR		 8059 }
8060 }
da0436e9 8061
2fcee4bf
JS		 8062 /*
8063 * The BARs and register set definitions and offset locations are
8064 * dependent on the if_type.
8065 */
8066 if (pci_read_config_dword(pdev, LPFC_SLI_INTF,
8067 &phba->sli4_hba.sli_intf.word0)) {
8068 return error;
8069 }
8070
8071 /* There is no SLI3 failback for SLI4 devices. */
8072 if (bf_get(lpfc_sli_intf_valid, &phba->sli4_hba.sli_intf) !=
8073 LPFC_SLI_INTF_VALID) {
8074 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8075 "2894 SLI_INTF reg contents invalid "
8076 "sli_intf reg 0x%x\n",
8077 phba->sli4_hba.sli_intf.word0);
8078 return error;
8079 }
8080
8081 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
8082 /*
8083 * Get the bus address of SLI4 device Bar regions and the
8084 * number of bytes required by each mapping. The mapping of the
8085 * particular PCI BARs regions is dependent on the type of
8086 * SLI4 device.
da0436e9 8087 */
f5ca6f2e
JS		 8088 if (pci_resource_start(pdev, PCI_64BIT_BAR0)) {
8089 phba->pci_bar0_map = pci_resource_start(pdev, PCI_64BIT_BAR0);
8090 bar0map_len = pci_resource_len(pdev, PCI_64BIT_BAR0);
2fcee4bf
JS		 8091
8092 /*
8093 * Map SLI4 PCI Config Space Register base to a kernel virtual
8094 * addr
8095 */
8096 phba->sli4_hba.conf_regs_memmap_p =
8097 ioremap(phba->pci_bar0_map, bar0map_len);
8098 if (!phba->sli4_hba.conf_regs_memmap_p) {
8099 dev_printk(KERN_ERR, &pdev->dev,
8100 "ioremap failed for SLI4 PCI config "
8101 "registers.\n");
8102 goto out;
8103 }
f5ca6f2e 8104 phba->pci_bar0_memmap_p = phba->sli4_hba.conf_regs_memmap_p;
2fcee4bf
JS		 8105 /* Set up BAR0 PCI config space register memory map */
8106 lpfc_sli4_bar0_register_memmap(phba, if_type);
1dfb5a47
JS		 8107 } else {
8108 phba->pci_bar0_map = pci_resource_start(pdev, 1);
8109 bar0map_len = pci_resource_len(pdev, 1);
2fcee4bf
JS		 8110 if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
8111 dev_printk(KERN_ERR, &pdev->dev,
8112 "FATAL - No BAR0 mapping for SLI4, if_type 2\n");
8113 goto out;
8114 }
8115 phba->sli4_hba.conf_regs_memmap_p =
da0436e9 8116 ioremap(phba->pci_bar0_map, bar0map_len);
2fcee4bf
JS		 8117 if (!phba->sli4_hba.conf_regs_memmap_p) {
8118 dev_printk(KERN_ERR, &pdev->dev,
8119 "ioremap failed for SLI4 PCI config "
8120 "registers.\n");
8121 goto out;
8122 }
8123 lpfc_sli4_bar0_register_memmap(phba, if_type);
da0436e9
JS		 8124 }
8125
c31098ce 8126 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
f5ca6f2e 8127 (pci_resource_start(pdev, PCI_64BIT_BAR2))) {
2fcee4bf
JS		 8128 /*
8129 * Map SLI4 if type 0 HBA Control Register base to a kernel
8130 * virtual address and setup the registers.
8131 */
f5ca6f2e
JS		 8132 phba->pci_bar1_map = pci_resource_start(pdev, PCI_64BIT_BAR2);
8133 bar1map_len = pci_resource_len(pdev, PCI_64BIT_BAR2);
2fcee4bf 8134 phba->sli4_hba.ctrl_regs_memmap_p =
da0436e9 8135 ioremap(phba->pci_bar1_map, bar1map_len);
2fcee4bf
JS		 8136 if (!phba->sli4_hba.ctrl_regs_memmap_p) {
8137 dev_printk(KERN_ERR, &pdev->dev,
da0436e9 8138 "ioremap failed for SLI4 HBA control registers.\n");
2fcee4bf
JS		 8139 goto out_iounmap_conf;
8140 }
f5ca6f2e 8141 phba->pci_bar2_memmap_p = phba->sli4_hba.ctrl_regs_memmap_p;
2fcee4bf 8142 lpfc_sli4_bar1_register_memmap(phba);
da0436e9
JS		 8143 }
8144
c31098ce 8145 if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
f5ca6f2e 8146 (pci_resource_start(pdev, PCI_64BIT_BAR4))) {
2fcee4bf
JS		 8147 /*
8148 * Map SLI4 if type 0 HBA Doorbell Register base to a kernel
8149 * virtual address and setup the registers.
8150 */
f5ca6f2e
JS		 8151 phba->pci_bar2_map = pci_resource_start(pdev, PCI_64BIT_BAR4);
8152 bar2map_len = pci_resource_len(pdev, PCI_64BIT_BAR4);
2fcee4bf 8153 phba->sli4_hba.drbl_regs_memmap_p =
da0436e9 8154 ioremap(phba->pci_bar2_map, bar2map_len);
2fcee4bf
JS		 8155 if (!phba->sli4_hba.drbl_regs_memmap_p) {
8156 dev_printk(KERN_ERR, &pdev->dev,
da0436e9 8157 "ioremap failed for SLI4 HBA doorbell registers.\n");
2fcee4bf
JS		 8158 goto out_iounmap_ctrl;
8159 }
f5ca6f2e 8160 phba->pci_bar4_memmap_p = phba->sli4_hba.drbl_regs_memmap_p;
2fcee4bf
JS		 8161 error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0);
8162 if (error)
8163 goto out_iounmap_all;
da0436e9
JS		 8164 }
8165
da0436e9
JS		 8166 return 0;
8167
8168out_iounmap_all:
8169 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
8170out_iounmap_ctrl:
8171 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
8172out_iounmap_conf:
8173 iounmap(phba->sli4_hba.conf_regs_memmap_p);
8174out:
8175 return error;
8176}
8177
8178/**
8179 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
8180 * @phba: pointer to lpfc hba data structure.
8181 *
8182 * This routine is invoked to unset the PCI device memory space for device
8183 * with SLI-4 interface spec.
8184 **/
8185static void
8186lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba)
8187{
2e90f4b5
JS		 8188 uint32_t if_type;
8189 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
da0436e9 8190
2e90f4b5
JS		 8191 switch (if_type) {
8192 case LPFC_SLI_INTF_IF_TYPE_0:
8193 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
8194 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
8195 iounmap(phba->sli4_hba.conf_regs_memmap_p);
8196 break;
8197 case LPFC_SLI_INTF_IF_TYPE_2:
8198 iounmap(phba->sli4_hba.conf_regs_memmap_p);
8199 break;
8200 case LPFC_SLI_INTF_IF_TYPE_1:
8201 default:
8202 dev_printk(KERN_ERR, &phba->pcidev->dev,
8203 "FATAL - unsupported SLI4 interface type - %d\n",
8204 if_type);
8205 break;
8206 }
da0436e9
JS		 8207}
8208
8209/**
8210 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
8211 * @phba: pointer to lpfc hba data structure.
8212 *
8213 * This routine is invoked to enable the MSI-X interrupt vectors to device
8214 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
8215 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
8216 * invoked, enables either all or nothing, depending on the current
8217 * availability of PCI vector resources. The device driver is responsible
8218 * for calling the individual request_irq() to register each MSI-X vector
8219 * with a interrupt handler, which is done in this function. Note that
8220 * later when device is unloading, the driver should always call free_irq()
8221 * on all MSI-X vectors it has done request_irq() on before calling
8222 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
8223 * will be left with MSI-X enabled and leaks its vectors.
8224 *
8225 * Return codes
af901ca1 8226 * 0 - successful
da0436e9
JS		 8227 * other values - error
8228 **/
8229static int
8230lpfc_sli_enable_msix(struct lpfc_hba *phba)
8231{
8232 int rc, i;
8233 LPFC_MBOXQ_t *pmb;
8234
8235 /* Set up MSI-X multi-message vectors */
8236 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
8237 phba->msix_entries[i].entry = i;
8238
8239 /* Configure MSI-X capability structure */
8240 rc = pci_enable_msix(phba->pcidev, phba->msix_entries,
8241 ARRAY_SIZE(phba->msix_entries));
8242 if (rc) {
8243 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8244 "0420 PCI enable MSI-X failed (%d)\n", rc);
029165ac 8245 goto vec_fail_out;
da0436e9
JS		 8246 }
8247 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
8248 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8249 "0477 MSI-X entry[%d]: vector=x%x "
8250 "message=%d\n", i,
8251 phba->msix_entries[i].vector,
8252 phba->msix_entries[i].entry);
8253 /*
8254 * Assign MSI-X vectors to interrupt handlers
8255 */
8256
8257 /* vector-0 is associated to slow-path handler */
8258 rc = request_irq(phba->msix_entries[0].vector,
8259 &lpfc_sli_sp_intr_handler, IRQF_SHARED,
8260 LPFC_SP_DRIVER_HANDLER_NAME, phba);
8261 if (rc) {
8262 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8263 "0421 MSI-X slow-path request_irq failed "
8264 "(%d)\n", rc);
8265 goto msi_fail_out;
8266 }
8267
8268 /* vector-1 is associated to fast-path handler */
8269 rc = request_irq(phba->msix_entries[1].vector,
8270 &lpfc_sli_fp_intr_handler, IRQF_SHARED,
8271 LPFC_FP_DRIVER_HANDLER_NAME, phba);
8272
8273 if (rc) {
8274 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8275 "0429 MSI-X fast-path request_irq failed "
8276 "(%d)\n", rc);
8277 goto irq_fail_out;
8278 }
8279
8280 /*
8281 * Configure HBA MSI-X attention conditions to messages
8282 */
8283 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
8284
8285 if (!pmb) {
8286 rc = -ENOMEM;
8287 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8288 "0474 Unable to allocate memory for issuing "
8289 "MBOX_CONFIG_MSI command\n");
8290 goto mem_fail_out;
8291 }
8292 rc = lpfc_config_msi(phba, pmb);
8293 if (rc)
8294 goto mbx_fail_out;
8295 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
8296 if (rc != MBX_SUCCESS) {
8297 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
8298 "0351 Config MSI mailbox command failed, "
8299 "mbxCmd x%x, mbxStatus x%x\n",
8300 pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus);
8301 goto mbx_fail_out;
8302 }
8303
8304 /* Free memory allocated for mailbox command */
8305 mempool_free(pmb, phba->mbox_mem_pool);
8306 return rc;
8307
8308mbx_fail_out:
8309 /* Free memory allocated for mailbox command */
8310 mempool_free(pmb, phba->mbox_mem_pool);
8311
8312mem_fail_out:
8313 /* free the irq already requested */
8314 free_irq(phba->msix_entries[1].vector, phba);
8315
8316irq_fail_out:
8317 /* free the irq already requested */
8318 free_irq(phba->msix_entries[0].vector, phba);
8319
8320msi_fail_out:
8321 /* Unconfigure MSI-X capability structure */
8322 pci_disable_msix(phba->pcidev);
029165ac
AG		 8323
8324vec_fail_out:
da0436e9
JS		 8325 return rc;
8326}
8327
8328/**
8329 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
8330 * @phba: pointer to lpfc hba data structure.
8331 *
8332 * This routine is invoked to release the MSI-X vectors and then disable the
8333 * MSI-X interrupt mode to device with SLI-3 interface spec.
8334 **/
8335static void
8336lpfc_sli_disable_msix(struct lpfc_hba *phba)
8337{
8338 int i;
8339
8340 /* Free up MSI-X multi-message vectors */
8341 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
8342 free_irq(phba->msix_entries[i].vector, phba);
8343 /* Disable MSI-X */
8344 pci_disable_msix(phba->pcidev);
8345
8346 return;
8347}
8348
8349/**
8350 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
8351 * @phba: pointer to lpfc hba data structure.
8352 *
8353 * This routine is invoked to enable the MSI interrupt mode to device with
8354 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
8355 * enable the MSI vector. The device driver is responsible for calling the
8356 * request_irq() to register MSI vector with a interrupt the handler, which
8357 * is done in this function.
8358 *
8359 * Return codes
af901ca1 8360 * 0 - successful
da0436e9
JS		 8361 * other values - error
8362 */
8363static int
8364lpfc_sli_enable_msi(struct lpfc_hba *phba)
8365{
8366 int rc;
8367
8368 rc = pci_enable_msi(phba->pcidev);
8369 if (!rc)
8370 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8371 "0462 PCI enable MSI mode success.\n");
8372 else {
8373 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8374 "0471 PCI enable MSI mode failed (%d)\n", rc);
8375 return rc;
8376 }
8377
8378 rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
8379 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8380 if (rc) {
8381 pci_disable_msi(phba->pcidev);
8382 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8383 "0478 MSI request_irq failed (%d)\n", rc);
8384 }
8385 return rc;
8386}
8387
8388/**
8389 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
8390 * @phba: pointer to lpfc hba data structure.
8391 *
8392 * This routine is invoked to disable the MSI interrupt mode to device with
8393 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
8394 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8395 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8396 * its vector.
8397 */
8398static void
8399lpfc_sli_disable_msi(struct lpfc_hba *phba)
8400{
8401 free_irq(phba->pcidev->irq, phba);
8402 pci_disable_msi(phba->pcidev);
8403 return;
8404}
8405
8406/**
8407 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
8408 * @phba: pointer to lpfc hba data structure.
8409 *
8410 * This routine is invoked to enable device interrupt and associate driver's
8411 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
8412 * spec. Depends on the interrupt mode configured to the driver, the driver
8413 * will try to fallback from the configured interrupt mode to an interrupt
8414 * mode which is supported by the platform, kernel, and device in the order
8415 * of:
8416 * MSI-X -> MSI -> IRQ.
8417 *
8418 * Return codes
af901ca1 8419 * 0 - successful
da0436e9
JS		 8420 * other values - error
8421 **/
8422static uint32_t
8423lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
8424{
8425 uint32_t intr_mode = LPFC_INTR_ERROR;
8426 int retval;
8427
8428 if (cfg_mode == 2) {
8429 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
8430 retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3);
8431 if (!retval) {
8432 /* Now, try to enable MSI-X interrupt mode */
8433 retval = lpfc_sli_enable_msix(phba);
8434 if (!retval) {
8435 /* Indicate initialization to MSI-X mode */
8436 phba->intr_type = MSIX;
8437 intr_mode = 2;
8438 }
8439 }
8440 }
8441
8442 /* Fallback to MSI if MSI-X initialization failed */
8443 if (cfg_mode >= 1 && phba->intr_type == NONE) {
8444 retval = lpfc_sli_enable_msi(phba);
8445 if (!retval) {
8446 /* Indicate initialization to MSI mode */
8447 phba->intr_type = MSI;
8448 intr_mode = 1;
8449 }
8450 }
8451
8452 /* Fallback to INTx if both MSI-X/MSI initalization failed */
8453 if (phba->intr_type == NONE) {
8454 retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
8455 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8456 if (!retval) {
8457 /* Indicate initialization to INTx mode */
8458 phba->intr_type = INTx;
8459 intr_mode = 0;
8460 }
8461 }
8462 return intr_mode;
8463}
8464
8465/**
8466 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
8467 * @phba: pointer to lpfc hba data structure.
8468 *
8469 * This routine is invoked to disable device interrupt and disassociate the
8470 * driver's interrupt handler(s) from interrupt vector(s) to device with
8471 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
8472 * release the interrupt vector(s) for the message signaled interrupt.
8473 **/
8474static void
8475lpfc_sli_disable_intr(struct lpfc_hba *phba)
8476{
8477 /* Disable the currently initialized interrupt mode */
8478 if (phba->intr_type == MSIX)
8479 lpfc_sli_disable_msix(phba);
8480 else if (phba->intr_type == MSI)
8481 lpfc_sli_disable_msi(phba);
8482 else if (phba->intr_type == INTx)
8483 free_irq(phba->pcidev->irq, phba);
8484
8485 /* Reset interrupt management states */
8486 phba->intr_type = NONE;
8487 phba->sli.slistat.sli_intr = 0;
8488
8489 return;
8490}
8491
7bb03bbf
JS		 8492/**
8493 * lpfc_find_next_cpu - Find next available CPU that matches the phys_id
8494 * @phba: pointer to lpfc hba data structure.
8495 *
8496 * Find next available CPU to use for IRQ to CPU affinity.
8497 */
8498static int
8499lpfc_find_next_cpu(struct lpfc_hba *phba, uint32_t phys_id)
8500{
8501 struct lpfc_vector_map_info *cpup;
8502 int cpu;
8503
8504 cpup = phba->sli4_hba.cpu_map;
8505 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8506 /* CPU must be online */
8507 if (cpu_online(cpu)) {
8508 if ((cpup->irq == LPFC_VECTOR_MAP_EMPTY) &&
8509 (lpfc_used_cpu[cpu] == LPFC_VECTOR_MAP_EMPTY) &&
8510 (cpup->phys_id == phys_id)) {
8511 return cpu;
8512 }
8513 }
8514 cpup++;
8515 }
8516
8517 /*
8518 * If we get here, we have used ALL CPUs for the specific
8519 * phys_id. Now we need to clear out lpfc_used_cpu and start
8520 * reusing CPUs.
8521 */
8522
8523 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8524 if (lpfc_used_cpu[cpu] == phys_id)
8525 lpfc_used_cpu[cpu] = LPFC_VECTOR_MAP_EMPTY;
8526 }
8527
8528 cpup = phba->sli4_hba.cpu_map;
8529 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8530 /* CPU must be online */
8531 if (cpu_online(cpu)) {
8532 if ((cpup->irq == LPFC_VECTOR_MAP_EMPTY) &&
8533 (cpup->phys_id == phys_id)) {
8534 return cpu;
8535 }
8536 }
8537 cpup++;
8538 }
8539 return LPFC_VECTOR_MAP_EMPTY;
8540}
8541
8542/**
8543 * lpfc_sli4_set_affinity - Set affinity for HBA IRQ vectors
8544 * @phba: pointer to lpfc hba data structure.
8545 * @vectors: number of HBA vectors
8546 *
8547 * Affinitize MSIX IRQ vectors to CPUs. Try to equally spread vector
8548 * affinization across multple physical CPUs (numa nodes).
8549 * In addition, this routine will assign an IO channel for each CPU
8550 * to use when issuing I/Os.
8551 */
8552static int
8553lpfc_sli4_set_affinity(struct lpfc_hba *phba, int vectors)
8554{
8555 int i, idx, saved_chann, used_chann, cpu, phys_id;
ec2087a7
JS		 8556 int max_phys_id, min_phys_id;
8557 int num_io_channel, first_cpu, chan;
7bb03bbf
JS		 8558 struct lpfc_vector_map_info *cpup;
8559#ifdef CONFIG_X86
8560 struct cpuinfo_x86 *cpuinfo;
8561#endif
8562 struct cpumask *mask;
8563 uint8_t chann[LPFC_FCP_IO_CHAN_MAX+1];
8564
8565 /* If there is no mapping, just return */
8566 if (!phba->cfg_fcp_cpu_map)
8567 return 1;
8568
8569 /* Init cpu_map array */
8570 memset(phba->sli4_hba.cpu_map, 0xff,
8571 (sizeof(struct lpfc_vector_map_info) *
8572 phba->sli4_hba.num_present_cpu));
8573
8574 max_phys_id = 0;
ec2087a7 8575 min_phys_id = 0xff;
7bb03bbf
JS		 8576 phys_id = 0;
8577 num_io_channel = 0;
8578 first_cpu = LPFC_VECTOR_MAP_EMPTY;
8579
8580 /* Update CPU map with physical id and core id of each CPU */
8581 cpup = phba->sli4_hba.cpu_map;
8582 for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) {
8583#ifdef CONFIG_X86
8584 cpuinfo = &cpu_data(cpu);
8585 cpup->phys_id = cpuinfo->phys_proc_id;
8586 cpup->core_id = cpuinfo->cpu_core_id;
8587#else
8588 /* No distinction between CPUs for other platforms */
8589 cpup->phys_id = 0;
8590 cpup->core_id = 0;
8591#endif
8592
8593 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8594 "3328 CPU physid %d coreid %d\n",
8595 cpup->phys_id, cpup->core_id);
8596
8597 if (cpup->phys_id > max_phys_id)
8598 max_phys_id = cpup->phys_id;
ec2087a7
JS		 8599 if (cpup->phys_id < min_phys_id)
8600 min_phys_id = cpup->phys_id;
7bb03bbf
JS		 8601 cpup++;
8602 }
8603
ec2087a7 8604 phys_id = min_phys_id;
7bb03bbf
JS		 8605 /* Now associate the HBA vectors with specific CPUs */
8606 for (idx = 0; idx < vectors; idx++) {
8607 cpup = phba->sli4_hba.cpu_map;
8608 cpu = lpfc_find_next_cpu(phba, phys_id);
8609 if (cpu == LPFC_VECTOR_MAP_EMPTY) {
8610
8611 /* Try for all phys_id's */
8612 for (i = 1; i < max_phys_id; i++) {
8613 phys_id++;
8614 if (phys_id > max_phys_id)
ec2087a7 8615 phys_id = min_phys_id;
7bb03bbf
JS		 8616 cpu = lpfc_find_next_cpu(phba, phys_id);
8617 if (cpu == LPFC_VECTOR_MAP_EMPTY)
8618 continue;
8619 goto found;
8620 }
8621
ec2087a7
JS		 8622 /* Use round robin for scheduling */
8623 phba->cfg_fcp_io_sched = LPFC_FCP_SCHED_ROUND_ROBIN;
8624 chan = 0;
8625 cpup = phba->sli4_hba.cpu_map;
8626 for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
8627 cpup->channel_id = chan;
8628 cpup++;
8629 chan++;
8630 if (chan >= phba->cfg_fcp_io_channel)
8631 chan = 0;
8632 }
8633
7bb03bbf
JS		 8634 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8635 "3329 Cannot set affinity:"
8636 "Error mapping vector %d (%d)\n",
8637 idx, vectors);
8638 return 0;
8639 }
8640found:
8641 cpup += cpu;
8642 if (phba->cfg_fcp_cpu_map == LPFC_DRIVER_CPU_MAP)
8643 lpfc_used_cpu[cpu] = phys_id;
8644
8645 /* Associate vector with selected CPU */
8646 cpup->irq = phba->sli4_hba.msix_entries[idx].vector;
8647
8648 /* Associate IO channel with selected CPU */
8649 cpup->channel_id = idx;
8650 num_io_channel++;
8651
8652 if (first_cpu == LPFC_VECTOR_MAP_EMPTY)
8653 first_cpu = cpu;
8654
8655 /* Now affinitize to the selected CPU */
8656 mask = &cpup->maskbits;
8657 cpumask_clear(mask);
8658 cpumask_set_cpu(cpu, mask);
8659 i = irq_set_affinity_hint(phba->sli4_hba.msix_entries[idx].
8660 vector, mask);
8661
8662 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8663 "3330 Set Affinity: CPU %d channel %d "
8664 "irq %d (%x)\n",
8665 cpu, cpup->channel_id,
8666 phba->sli4_hba.msix_entries[idx].vector, i);
8667
8668 /* Spread vector mapping across multple physical CPU nodes */
8669 phys_id++;
8670 if (phys_id > max_phys_id)
ec2087a7 8671 phys_id = min_phys_id;
7bb03bbf
JS		 8672 }
8673
8674 /*
8675 * Finally fill in the IO channel for any remaining CPUs.
8676 * At this point, all IO channels have been assigned to a specific
8677 * MSIx vector, mapped to a specific CPU.
8678 * Base the remaining IO channel assigned, to IO channels already
8679 * assigned to other CPUs on the same phys_id.
8680 */
ec2087a7 8681 for (i = min_phys_id; i <= max_phys_id; i++) {
7bb03bbf
JS		 8682 /*
8683 * If there are no io channels already mapped to
8684 * this phys_id, just round robin thru the io_channels.
8685 * Setup chann[] for round robin.
8686 */
8687 for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++)
8688 chann[idx] = idx;
8689
8690 saved_chann = 0;
8691 used_chann = 0;
8692
8693 /*
8694 * First build a list of IO channels already assigned
8695 * to this phys_id before reassigning the same IO
8696 * channels to the remaining CPUs.
8697 */
8698 cpup = phba->sli4_hba.cpu_map;
8699 cpu = first_cpu;
8700 cpup += cpu;
8701 for (idx = 0; idx < phba->sli4_hba.num_present_cpu;
8702 idx++) {
8703 if (cpup->phys_id == i) {
8704 /*
8705 * Save any IO channels that are
8706 * already mapped to this phys_id.
8707 */
8708 if (cpup->irq != LPFC_VECTOR_MAP_EMPTY) {
8709 chann[saved_chann] =
8710 cpup->channel_id;
8711 saved_chann++;
8712 goto out;
8713 }
8714
8715 /* See if we are using round-robin */
8716 if (saved_chann == 0)
8717 saved_chann =
8718 phba->cfg_fcp_io_channel;
8719
8720 /* Associate next IO channel with CPU */
8721 cpup->channel_id = chann[used_chann];
8722 num_io_channel++;
8723 used_chann++;
8724 if (used_chann == saved_chann)
8725 used_chann = 0;
8726
8727 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8728 "3331 Set IO_CHANN "
8729 "CPU %d channel %d\n",
8730 idx, cpup->channel_id);
8731 }
8732out:
8733 cpu++;
8734 if (cpu >= phba->sli4_hba.num_present_cpu) {
8735 cpup = phba->sli4_hba.cpu_map;
8736 cpu = 0;
8737 } else {
8738 cpup++;
8739 }
8740 }
8741 }
8742
8743 if (phba->sli4_hba.num_online_cpu != phba->sli4_hba.num_present_cpu) {
8744 cpup = phba->sli4_hba.cpu_map;
8745 for (idx = 0; idx < phba->sli4_hba.num_present_cpu; idx++) {
8746 if (cpup->channel_id == LPFC_VECTOR_MAP_EMPTY) {
8747 cpup->channel_id = 0;
8748 num_io_channel++;
8749
8750 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8751 "3332 Assign IO_CHANN "
8752 "CPU %d channel %d\n",
8753 idx, cpup->channel_id);
8754 }
8755 cpup++;
8756 }
8757 }
8758
8759 /* Sanity check */
8760 if (num_io_channel != phba->sli4_hba.num_present_cpu)
8761 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8762 "3333 Set affinity mismatch:"
ec2087a7 8763 "%d chann != %d cpus: %d vectors\n",
7bb03bbf
JS		 8764 num_io_channel, phba->sli4_hba.num_present_cpu,
8765 vectors);
8766
ec2087a7 8767 /* Enable using cpu affinity for scheduling */
7bb03bbf
JS		 8768 phba->cfg_fcp_io_sched = LPFC_FCP_SCHED_BY_CPU;
8769 return 1;
8770}
8771
8772
da0436e9
JS		 8773/**
8774 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
8775 * @phba: pointer to lpfc hba data structure.
8776 *
8777 * This routine is invoked to enable the MSI-X interrupt vectors to device
8778 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
8779 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
8780 * enables either all or nothing, depending on the current availability of
8781 * PCI vector resources. The device driver is responsible for calling the
8782 * individual request_irq() to register each MSI-X vector with a interrupt
8783 * handler, which is done in this function. Note that later when device is
8784 * unloading, the driver should always call free_irq() on all MSI-X vectors
8785 * it has done request_irq() on before calling pci_disable_msix(). Failure
8786 * to do so results in a BUG_ON() and a device will be left with MSI-X
8787 * enabled and leaks its vectors.
8788 *
8789 * Return codes
af901ca1 8790 * 0 - successful
da0436e9
JS		 8791 * other values - error
8792 **/
8793static int
8794lpfc_sli4_enable_msix(struct lpfc_hba *phba)
8795{
75baf696 8796 int vectors, rc, index;
da0436e9
JS		 8797
8798 /* Set up MSI-X multi-message vectors */
82c3e9ba 8799 for (index = 0; index < phba->cfg_fcp_io_channel; index++)
da0436e9
JS		 8800 phba->sli4_hba.msix_entries[index].entry = index;
8801
8802 /* Configure MSI-X capability structure */
82c3e9ba 8803 vectors = phba->cfg_fcp_io_channel;
1ba981fd
JS		 8804 if (phba->cfg_fof) {
8805 phba->sli4_hba.msix_entries[index].entry = index;
8806 vectors++;
8807 }
75baf696 8808enable_msix_vectors:
da0436e9 8809 rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries,
75baf696
JS		 8810 vectors);
8811 if (rc > 1) {
8812 vectors = rc;
8813 goto enable_msix_vectors;
8814 } else if (rc) {
da0436e9
JS		 8815 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8816 "0484 PCI enable MSI-X failed (%d)\n", rc);
029165ac 8817 goto vec_fail_out;
da0436e9 8818 }
75baf696 8819
da0436e9 8820 /* Log MSI-X vector assignment */
75baf696 8821 for (index = 0; index < vectors; index++)
da0436e9
JS		 8822 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8823 "0489 MSI-X entry[%d]: vector=x%x "
8824 "message=%d\n", index,
8825 phba->sli4_hba.msix_entries[index].vector,
8826 phba->sli4_hba.msix_entries[index].entry);
67d12733 8827
7bb03bbf 8828 /* Assign MSI-X vectors to interrupt handlers */
67d12733 8829 for (index = 0; index < vectors; index++) {
4305f183
JS		 8830 memset(&phba->sli4_hba.handler_name[index], 0, 16);
8831 sprintf((char *)&phba->sli4_hba.handler_name[index],
8832 LPFC_DRIVER_HANDLER_NAME"%d", index);
da0436e9 8833
67d12733
JS		 8834 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8835 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
ba20c853 8836 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].fcp_eq_in_use, 1);
1ba981fd
JS		 8837 if (phba->cfg_fof && (index == (vectors - 1)))
8838 rc = request_irq(
8839 phba->sli4_hba.msix_entries[index].vector,
8840 &lpfc_sli4_fof_intr_handler, IRQF_SHARED,
8841 (char *)&phba->sli4_hba.handler_name[index],
8842 &phba->sli4_hba.fcp_eq_hdl[index]);
8843 else
8844 rc = request_irq(
8845 phba->sli4_hba.msix_entries[index].vector,
67d12733 8846 &lpfc_sli4_hba_intr_handler, IRQF_SHARED,
4305f183 8847 (char *)&phba->sli4_hba.handler_name[index],
67d12733 8848 &phba->sli4_hba.fcp_eq_hdl[index]);
da0436e9
JS		 8849 if (rc) {
8850 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8851 "0486 MSI-X fast-path (%d) "
8852 "request_irq failed (%d)\n", index, rc);
8853 goto cfg_fail_out;
8854 }
8855 }
8856
1ba981fd
JS		 8857 if (phba->cfg_fof)
8858 vectors--;
8859
82c3e9ba
JS		 8860 if (vectors != phba->cfg_fcp_io_channel) {
8861 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8862 "3238 Reducing IO channels to match number of "
8863 "MSI-X vectors, requested %d got %d\n",
8864 phba->cfg_fcp_io_channel, vectors);
8865 phba->cfg_fcp_io_channel = vectors;
8866 }
7bb03bbf
JS		 8867
8868 lpfc_sli4_set_affinity(phba, vectors);
da0436e9
JS		 8869 return rc;
8870
8871cfg_fail_out:
8872 /* free the irq already requested */
acbd8616
JS		 8873 for (--index; index >= 0; index--) {
8874 irq_set_affinity_hint(phba->sli4_hba.msix_entries[index].
8875 vector, NULL);
67d12733
JS		 8876 free_irq(phba->sli4_hba.msix_entries[index].vector,
8877 &phba->sli4_hba.fcp_eq_hdl[index]);
acbd8616 8878 }
da0436e9 8879
da0436e9
JS		 8880 /* Unconfigure MSI-X capability structure */
8881 pci_disable_msix(phba->pcidev);
029165ac
AG		 8882
8883vec_fail_out:
da0436e9
JS		 8884 return rc;
8885}
8886
8887/**
8888 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
8889 * @phba: pointer to lpfc hba data structure.
8890 *
8891 * This routine is invoked to release the MSI-X vectors and then disable the
8892 * MSI-X interrupt mode to device with SLI-4 interface spec.
8893 **/
8894static void
8895lpfc_sli4_disable_msix(struct lpfc_hba *phba)
8896{
8897 int index;
8898
8899 /* Free up MSI-X multi-message vectors */
acbd8616
JS		 8900 for (index = 0; index < phba->cfg_fcp_io_channel; index++) {
8901 irq_set_affinity_hint(phba->sli4_hba.msix_entries[index].
8902 vector, NULL);
da0436e9 8903 free_irq(phba->sli4_hba.msix_entries[index].vector,
67d12733 8904 &phba->sli4_hba.fcp_eq_hdl[index]);
acbd8616 8905 }
1ba981fd
JS		 8906 if (phba->cfg_fof) {
8907 free_irq(phba->sli4_hba.msix_entries[index].vector,
8908 &phba->sli4_hba.fcp_eq_hdl[index]);
8909 }
da0436e9
JS		 8910 /* Disable MSI-X */
8911 pci_disable_msix(phba->pcidev);
8912
8913 return;
8914}
8915
8916/**
8917 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
8918 * @phba: pointer to lpfc hba data structure.
8919 *
8920 * This routine is invoked to enable the MSI interrupt mode to device with
8921 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
8922 * to enable the MSI vector. The device driver is responsible for calling
8923 * the request_irq() to register MSI vector with a interrupt the handler,
8924 * which is done in this function.
8925 *
8926 * Return codes
af901ca1 8927 * 0 - successful
da0436e9
JS		 8928 * other values - error
8929 **/
8930static int
8931lpfc_sli4_enable_msi(struct lpfc_hba *phba)
8932{
8933 int rc, index;
8934
8935 rc = pci_enable_msi(phba->pcidev);
8936 if (!rc)
8937 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8938 "0487 PCI enable MSI mode success.\n");
8939 else {
8940 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
8941 "0488 PCI enable MSI mode failed (%d)\n", rc);
8942 return rc;
8943 }
8944
8945 rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
8946 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
8947 if (rc) {
8948 pci_disable_msi(phba->pcidev);
8949 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
8950 "0490 MSI request_irq failed (%d)\n", rc);
75baf696 8951 return rc;
da0436e9
JS		 8952 }
8953
67d12733 8954 for (index = 0; index < phba->cfg_fcp_io_channel; index++) {
da0436e9
JS		 8955 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8956 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
8957 }
8958
1ba981fd
JS		 8959 if (phba->cfg_fof) {
8960 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
8961 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
8962 }
75baf696 8963 return 0;
da0436e9
JS		 8964}
8965
8966/**
8967 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
8968 * @phba: pointer to lpfc hba data structure.
8969 *
8970 * This routine is invoked to disable the MSI interrupt mode to device with
8971 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
8972 * done request_irq() on before calling pci_disable_msi(). Failure to do so
8973 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
8974 * its vector.
8975 **/
8976static void
8977lpfc_sli4_disable_msi(struct lpfc_hba *phba)
8978{
8979 free_irq(phba->pcidev->irq, phba);
8980 pci_disable_msi(phba->pcidev);
8981 return;
8982}
8983
8984/**
8985 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
8986 * @phba: pointer to lpfc hba data structure.
8987 *
8988 * This routine is invoked to enable device interrupt and associate driver's
8989 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
8990 * interface spec. Depends on the interrupt mode configured to the driver,
8991 * the driver will try to fallback from the configured interrupt mode to an
8992 * interrupt mode which is supported by the platform, kernel, and device in
8993 * the order of:
8994 * MSI-X -> MSI -> IRQ.
8995 *
8996 * Return codes
af901ca1 8997 * 0 - successful
da0436e9
JS		 8998 * other values - error
8999 **/
9000static uint32_t
9001lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
9002{
9003 uint32_t intr_mode = LPFC_INTR_ERROR;
9004 int retval, index;
9005
9006 if (cfg_mode == 2) {
9007 /* Preparation before conf_msi mbox cmd */
9008 retval = 0;
9009 if (!retval) {
9010 /* Now, try to enable MSI-X interrupt mode */
9011 retval = lpfc_sli4_enable_msix(phba);
9012 if (!retval) {
9013 /* Indicate initialization to MSI-X mode */
9014 phba->intr_type = MSIX;
9015 intr_mode = 2;
9016 }
9017 }
9018 }
9019
9020 /* Fallback to MSI if MSI-X initialization failed */
9021 if (cfg_mode >= 1 && phba->intr_type == NONE) {
9022 retval = lpfc_sli4_enable_msi(phba);
9023 if (!retval) {
9024 /* Indicate initialization to MSI mode */
9025 phba->intr_type = MSI;
9026 intr_mode = 1;
9027 }
9028 }
9029
9030 /* Fallback to INTx if both MSI-X/MSI initalization failed */
9031 if (phba->intr_type == NONE) {
9032 retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
9033 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
9034 if (!retval) {
9035 /* Indicate initialization to INTx mode */
9036 phba->intr_type = INTx;
9037 intr_mode = 0;
67d12733 9038 for (index = 0; index < phba->cfg_fcp_io_channel;
da0436e9
JS		 9039 index++) {
9040 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
9041 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
ba20c853
JS		 9042 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].
9043 fcp_eq_in_use, 1);
da0436e9 9044 }
1ba981fd
JS		 9045 if (phba->cfg_fof) {
9046 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
9047 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
9048 atomic_set(&phba->sli4_hba.fcp_eq_hdl[index].
9049 fcp_eq_in_use, 1);
9050 }
da0436e9
JS		 9051 }
9052 }
9053 return intr_mode;
9054}
9055
9056/**
9057 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
9058 * @phba: pointer to lpfc hba data structure.
9059 *
9060 * This routine is invoked to disable device interrupt and disassociate
9061 * the driver's interrupt handler(s) from interrupt vector(s) to device
9062 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
9063 * will release the interrupt vector(s) for the message signaled interrupt.
9064 **/
9065static void
9066lpfc_sli4_disable_intr(struct lpfc_hba *phba)
9067{
9068 /* Disable the currently initialized interrupt mode */
9069 if (phba->intr_type == MSIX)
9070 lpfc_sli4_disable_msix(phba);
9071 else if (phba->intr_type == MSI)
9072 lpfc_sli4_disable_msi(phba);
9073 else if (phba->intr_type == INTx)
9074 free_irq(phba->pcidev->irq, phba);
9075
9076 /* Reset interrupt management states */
9077 phba->intr_type = NONE;
9078 phba->sli.slistat.sli_intr = 0;
9079
9080 return;
9081}
9082
9083/**
9084 * lpfc_unset_hba - Unset SLI3 hba device initialization
9085 * @phba: pointer to lpfc hba data structure.
9086 *
9087 * This routine is invoked to unset the HBA device initialization steps to
9088 * a device with SLI-3 interface spec.
9089 **/
9090static void
9091lpfc_unset_hba(struct lpfc_hba *phba)
9092{
9093 struct lpfc_vport *vport = phba->pport;
9094 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
9095
9096 spin_lock_irq(shost->host_lock);
9097 vport->load_flag |= FC_UNLOADING;
9098 spin_unlock_irq(shost->host_lock);
9099
72859909
JS		 9100 kfree(phba->vpi_bmask);
9101 kfree(phba->vpi_ids);
9102
da0436e9
JS		 9103 lpfc_stop_hba_timers(phba);
9104
9105 phba->pport->work_port_events = 0;
9106
9107 lpfc_sli_hba_down(phba);
9108
9109 lpfc_sli_brdrestart(phba);
9110
9111 lpfc_sli_disable_intr(phba);
9112
9113 return;
9114}
9115
5af5eee7
JS		 9116/**
9117 * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
9118 * @phba: Pointer to HBA context object.
9119 *
9120 * This function is called in the SLI4 code path to wait for completion
9121 * of device's XRIs exchange busy. It will check the XRI exchange busy
9122 * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
9123 * that, it will check the XRI exchange busy on outstanding FCP and ELS
9124 * I/Os every 30 seconds, log error message, and wait forever. Only when
9125 * all XRI exchange busy complete, the driver unload shall proceed with
9126 * invoking the function reset ioctl mailbox command to the CNA and the
9127 * the rest of the driver unload resource release.
9128 **/
9129static void
9130lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba)
9131{
9132 int wait_time = 0;
9133 int fcp_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
9134 int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
9135
9136 while (!fcp_xri_cmpl || !els_xri_cmpl) {
9137 if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) {
9138 if (!fcp_xri_cmpl)
9139 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9140 "2877 FCP XRI exchange busy "
9141 "wait time: %d seconds.\n",
9142 wait_time/1000);
9143 if (!els_xri_cmpl)
9144 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9145 "2878 ELS XRI exchange busy "
9146 "wait time: %d seconds.\n",
9147 wait_time/1000);
9148 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2);
9149 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2;
9150 } else {
9151 msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1);
9152 wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1;
9153 }
9154 fcp_xri_cmpl =
9155 list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
9156 els_xri_cmpl =
9157 list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
9158 }
9159}
9160
da0436e9
JS		 9161/**
9162 * lpfc_sli4_hba_unset - Unset the fcoe hba
9163 * @phba: Pointer to HBA context object.
9164 *
9165 * This function is called in the SLI4 code path to reset the HBA's FCoE
9166 * function. The caller is not required to hold any lock. This routine
9167 * issues PCI function reset mailbox command to reset the FCoE function.
9168 * At the end of the function, it calls lpfc_hba_down_post function to
9169 * free any pending commands.
9170 **/
9171static void
9172lpfc_sli4_hba_unset(struct lpfc_hba *phba)
9173{
9174 int wait_cnt = 0;
9175 LPFC_MBOXQ_t *mboxq;
912e3acd 9176 struct pci_dev *pdev = phba->pcidev;
da0436e9
JS		 9177
9178 lpfc_stop_hba_timers(phba);
9179 phba->sli4_hba.intr_enable = 0;
9180
9181 /*
9182 * Gracefully wait out the potential current outstanding asynchronous
9183 * mailbox command.
9184 */
9185
9186 /* First, block any pending async mailbox command from posted */
9187 spin_lock_irq(&phba->hbalock);
9188 phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
9189 spin_unlock_irq(&phba->hbalock);
9190 /* Now, trying to wait it out if we can */
9191 while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
9192 msleep(10);
9193 if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT)
9194 break;
9195 }
9196 /* Forcefully release the outstanding mailbox command if timed out */
9197 if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
9198 spin_lock_irq(&phba->hbalock);
9199 mboxq = phba->sli.mbox_active;
9200 mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED;
9201 __lpfc_mbox_cmpl_put(phba, mboxq);
9202 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
9203 phba->sli.mbox_active = NULL;
9204 spin_unlock_irq(&phba->hbalock);
9205 }
9206
5af5eee7
JS		 9207 /* Abort all iocbs associated with the hba */
9208 lpfc_sli_hba_iocb_abort(phba);
9209
9210 /* Wait for completion of device XRI exchange busy */
9211 lpfc_sli4_xri_exchange_busy_wait(phba);
9212
da0436e9
JS		 9213 /* Disable PCI subsystem interrupt */
9214 lpfc_sli4_disable_intr(phba);
9215
912e3acd
JS		 9216 /* Disable SR-IOV if enabled */
9217 if (phba->cfg_sriov_nr_virtfn)
9218 pci_disable_sriov(pdev);
9219
da0436e9
JS		 9220 /* Stop kthread signal shall trigger work_done one more time */
9221 kthread_stop(phba->worker_thread);
9222
3677a3a7
JS		 9223 /* Reset SLI4 HBA FCoE function */
9224 lpfc_pci_function_reset(phba);
5350d872 9225 lpfc_sli4_queue_destroy(phba);
3677a3a7 9226
da0436e9
JS		 9227 /* Stop the SLI4 device port */
9228 phba->pport->work_port_events = 0;
9229}
9230
28baac74
JS		 9231 /**
9232 * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
9233 * @phba: Pointer to HBA context object.
9234 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9235 *
9236 * This function is called in the SLI4 code path to read the port's
9237 * sli4 capabilities.
9238 *
9239 * This function may be be called from any context that can block-wait
9240 * for the completion. The expectation is that this routine is called
9241 * typically from probe_one or from the online routine.
9242 **/
9243int
9244lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
9245{
9246 int rc;
9247 struct lpfc_mqe *mqe;
9248 struct lpfc_pc_sli4_params *sli4_params;
9249 uint32_t mbox_tmo;
9250
9251 rc = 0;
9252 mqe = &mboxq->u.mqe;
9253
9254 /* Read the port's SLI4 Parameters port capabilities */
fedd3b7b 9255 lpfc_pc_sli4_params(mboxq);
28baac74
JS		 9256 if (!phba->sli4_hba.intr_enable)
9257 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
9258 else {
a183a15f 9259 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
28baac74
JS		 9260 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
9261 }
9262
9263 if (unlikely(rc))
9264 return 1;
9265
9266 sli4_params = &phba->sli4_hba.pc_sli4_params;
9267 sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params);
9268 sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params);
9269 sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params);
9270 sli4_params->featurelevel_1 = bf_get(featurelevel_1,
9271 &mqe->un.sli4_params);
9272 sli4_params->featurelevel_2 = bf_get(featurelevel_2,
9273 &mqe->un.sli4_params);
9274 sli4_params->proto_types = mqe->un.sli4_params.word3;
9275 sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len;
9276 sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params);
9277 sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params);
9278 sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params);
9279 sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params);
9280 sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params);
9281 sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params);
9282 sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params);
9283 sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params);
9284 sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params);
9285 sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params);
9286 sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params);
9287 sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params);
9288 sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params);
9289 sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params);
9290 sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params);
9291 sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params);
9292 sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params);
9293 sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params);
9294 sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params);
0558056c
JS		 9295
9296 /* Make sure that sge_supp_len can be handled by the driver */
9297 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
9298 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
9299
28baac74
JS		 9300 return rc;
9301}
9302
fedd3b7b
JS		 9303/**
9304 * lpfc_get_sli4_parameters - Get the SLI4 Config PARAMETERS.
9305 * @phba: Pointer to HBA context object.
9306 * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
9307 *
9308 * This function is called in the SLI4 code path to read the port's
9309 * sli4 capabilities.
9310 *
9311 * This function may be be called from any context that can block-wait
9312 * for the completion. The expectation is that this routine is called
9313 * typically from probe_one or from the online routine.
9314 **/
9315int
9316lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
9317{
9318 int rc;
9319 struct lpfc_mqe *mqe = &mboxq->u.mqe;
9320 struct lpfc_pc_sli4_params *sli4_params;
a183a15f 9321 uint32_t mbox_tmo;
fedd3b7b
JS		 9322 int length;
9323 struct lpfc_sli4_parameters *mbx_sli4_parameters;
9324
6d368e53
JS		 9325 /*
9326 * By default, the driver assumes the SLI4 port requires RPI
9327 * header postings. The SLI4_PARAM response will correct this
9328 * assumption.
9329 */
9330 phba->sli4_hba.rpi_hdrs_in_use = 1;
9331
fedd3b7b
JS		 9332 /* Read the port's SLI4 Config Parameters */
9333 length = (sizeof(struct lpfc_mbx_get_sli4_parameters) -
9334 sizeof(struct lpfc_sli4_cfg_mhdr));
9335 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
9336 LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS,
9337 length, LPFC_SLI4_MBX_EMBED);
9338 if (!phba->sli4_hba.intr_enable)
9339 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
a183a15f
JS		 9340 else {
9341 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
9342 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
9343 }
fedd3b7b
JS		 9344 if (unlikely(rc))
9345 return rc;
9346 sli4_params = &phba->sli4_hba.pc_sli4_params;
9347 mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters;
9348 sli4_params->if_type = bf_get(cfg_if_type, mbx_sli4_parameters);
9349 sli4_params->sli_rev = bf_get(cfg_sli_rev, mbx_sli4_parameters);
9350 sli4_params->sli_family = bf_get(cfg_sli_family, mbx_sli4_parameters);
9351 sli4_params->featurelevel_1 = bf_get(cfg_sli_hint_1,
9352 mbx_sli4_parameters);
9353 sli4_params->featurelevel_2 = bf_get(cfg_sli_hint_2,
9354 mbx_sli4_parameters);
9355 if (bf_get(cfg_phwq, mbx_sli4_parameters))
9356 phba->sli3_options |= LPFC_SLI4_PHWQ_ENABLED;
9357 else
9358 phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED;
9359 sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len;
9360 sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters);
1ba981fd 9361 sli4_params->oas_supported = bf_get(cfg_oas, mbx_sli4_parameters);
fedd3b7b
JS		 9362 sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters);
9363 sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters);
9364 sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters);
9365 sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters);
0c651878 9366 sli4_params->wqsize = bf_get(cfg_wqsize, mbx_sli4_parameters);
fedd3b7b
JS		 9367 sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt,
9368 mbx_sli4_parameters);
9369 sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align,
9370 mbx_sli4_parameters);
6d368e53
JS		 9371 phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters);
9372 phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters);
0558056c
JS		 9373
9374 /* Make sure that sge_supp_len can be handled by the driver */
9375 if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
9376 sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
9377
fedd3b7b
JS		 9378 return 0;
9379}
9380
da0436e9
JS		 9381/**
9382 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
9383 * @pdev: pointer to PCI device
9384 * @pid: pointer to PCI device identifier
9385 *
9386 * This routine is to be called to attach a device with SLI-3 interface spec
9387 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9388 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
9389 * information of the device and driver to see if the driver state that it can
9390 * support this kind of device. If the match is successful, the driver core
9391 * invokes this routine. If this routine determines it can claim the HBA, it
9392 * does all the initialization that it needs to do to handle the HBA properly.
9393 *
9394 * Return code
9395 * 0 - driver can claim the device
9396 * negative value - driver can not claim the device
9397 **/
6f039790 9398static int
da0436e9
JS		 9399lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid)
9400{
9401 struct lpfc_hba *phba;
9402 struct lpfc_vport *vport = NULL;
6669f9bb 9403 struct Scsi_Host *shost = NULL;
da0436e9
JS		 9404 int error;
9405 uint32_t cfg_mode, intr_mode;
9406
9407 /* Allocate memory for HBA structure */
9408 phba = lpfc_hba_alloc(pdev);
9409 if (!phba)
9410 return -ENOMEM;
9411
9412 /* Perform generic PCI device enabling operation */
9413 error = lpfc_enable_pci_dev(phba);
079b5c91 9414 if (error)
da0436e9 9415 goto out_free_phba;
da0436e9
JS		 9416
9417 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
9418 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP);
9419 if (error)
9420 goto out_disable_pci_dev;
9421
9422 /* Set up SLI-3 specific device PCI memory space */
9423 error = lpfc_sli_pci_mem_setup(phba);
9424 if (error) {
9425 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9426 "1402 Failed to set up pci memory space.\n");
9427 goto out_disable_pci_dev;
9428 }
9429
9430 /* Set up phase-1 common device driver resources */
9431 error = lpfc_setup_driver_resource_phase1(phba);
9432 if (error) {
9433 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9434 "1403 Failed to set up driver resource.\n");
9435 goto out_unset_pci_mem_s3;
9436 }
9437
9438 /* Set up SLI-3 specific device driver resources */
9439 error = lpfc_sli_driver_resource_setup(phba);
9440 if (error) {
9441 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9442 "1404 Failed to set up driver resource.\n");
9443 goto out_unset_pci_mem_s3;
9444 }
9445
9446 /* Initialize and populate the iocb list per host */
9447 error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT);
9448 if (error) {
9449 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9450 "1405 Failed to initialize iocb list.\n");
9451 goto out_unset_driver_resource_s3;
9452 }
9453
9454 /* Set up common device driver resources */
9455 error = lpfc_setup_driver_resource_phase2(phba);
9456 if (error) {
9457 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9458 "1406 Failed to set up driver resource.\n");
9459 goto out_free_iocb_list;
9460 }
9461
079b5c91
JS		 9462 /* Get the default values for Model Name and Description */
9463 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
9464
da0436e9
JS		 9465 /* Create SCSI host to the physical port */
9466 error = lpfc_create_shost(phba);
9467 if (error) {
9468 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9469 "1407 Failed to create scsi host.\n");
9470 goto out_unset_driver_resource;
9471 }
9472
9473 /* Configure sysfs attributes */
9474 vport = phba->pport;
9475 error = lpfc_alloc_sysfs_attr(vport);
9476 if (error) {
9477 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9478 "1476 Failed to allocate sysfs attr\n");
9479 goto out_destroy_shost;
9480 }
9481
6669f9bb 9482 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
da0436e9
JS		 9483 /* Now, trying to enable interrupt and bring up the device */
9484 cfg_mode = phba->cfg_use_msi;
9485 while (true) {
9486 /* Put device to a known state before enabling interrupt */
9487 lpfc_stop_port(phba);
9488 /* Configure and enable interrupt */
9489 intr_mode = lpfc_sli_enable_intr(phba, cfg_mode);
9490 if (intr_mode == LPFC_INTR_ERROR) {
9491 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9492 "0431 Failed to enable interrupt.\n");
9493 error = -ENODEV;
9494 goto out_free_sysfs_attr;
9495 }
9496 /* SLI-3 HBA setup */
9497 if (lpfc_sli_hba_setup(phba)) {
9498 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9499 "1477 Failed to set up hba\n");
9500 error = -ENODEV;
9501 goto out_remove_device;
9502 }
9503
9504 /* Wait 50ms for the interrupts of previous mailbox commands */
9505 msleep(50);
9506 /* Check active interrupts on message signaled interrupts */
9507 if (intr_mode == 0 ||
9508 phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) {
9509 /* Log the current active interrupt mode */
9510 phba->intr_mode = intr_mode;
9511 lpfc_log_intr_mode(phba, intr_mode);
9512 break;
9513 } else {
9514 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9515 "0447 Configure interrupt mode (%d) "
9516 "failed active interrupt test.\n",
9517 intr_mode);
9518 /* Disable the current interrupt mode */
9519 lpfc_sli_disable_intr(phba);
9520 /* Try next level of interrupt mode */
9521 cfg_mode = --intr_mode;
9522 }
9523 }
9524
9525 /* Perform post initialization setup */
9526 lpfc_post_init_setup(phba);
9527
9528 /* Check if there are static vports to be created. */
9529 lpfc_create_static_vport(phba);
9530
9531 return 0;
9532
9533out_remove_device:
9534 lpfc_unset_hba(phba);
9535out_free_sysfs_attr:
9536 lpfc_free_sysfs_attr(vport);
9537out_destroy_shost:
9538 lpfc_destroy_shost(phba);
9539out_unset_driver_resource:
9540 lpfc_unset_driver_resource_phase2(phba);
9541out_free_iocb_list:
9542 lpfc_free_iocb_list(phba);
9543out_unset_driver_resource_s3:
9544 lpfc_sli_driver_resource_unset(phba);
9545out_unset_pci_mem_s3:
9546 lpfc_sli_pci_mem_unset(phba);
9547out_disable_pci_dev:
9548 lpfc_disable_pci_dev(phba);
6669f9bb
JS		 9549 if (shost)
9550 scsi_host_put(shost);
da0436e9
JS		 9551out_free_phba:
9552 lpfc_hba_free(phba);
9553 return error;
9554}
9555
9556/**
9557 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
9558 * @pdev: pointer to PCI device
9559 *
9560 * This routine is to be called to disattach a device with SLI-3 interface
9561 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
9562 * removed from PCI bus, it performs all the necessary cleanup for the HBA
9563 * device to be removed from the PCI subsystem properly.
9564 **/
6f039790 9565static void
da0436e9
JS		 9566lpfc_pci_remove_one_s3(struct pci_dev *pdev)
9567{
9568 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9569 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
9570 struct lpfc_vport **vports;
9571 struct lpfc_hba *phba = vport->phba;
9572 int i;
9573 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
9574
9575 spin_lock_irq(&phba->hbalock);
9576 vport->load_flag |= FC_UNLOADING;
9577 spin_unlock_irq(&phba->hbalock);
9578
9579 lpfc_free_sysfs_attr(vport);
9580
9581 /* Release all the vports against this physical port */
9582 vports = lpfc_create_vport_work_array(phba);
9583 if (vports != NULL)
587a37f6
JS		 9584 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
9585 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
9586 continue;
da0436e9 9587 fc_vport_terminate(vports[i]->fc_vport);
587a37f6 9588 }
da0436e9
JS		 9589 lpfc_destroy_vport_work_array(phba, vports);
9590
9591 /* Remove FC host and then SCSI host with the physical port */
9592 fc_remove_host(shost);
9593 scsi_remove_host(shost);
9594 lpfc_cleanup(vport);
9595
9596 /*
9597 * Bring down the SLI Layer. This step disable all interrupts,
9598 * clears the rings, discards all mailbox commands, and resets
9599 * the HBA.
9600 */
9601
48e34d0f 9602 /* HBA interrupt will be disabled after this call */
da0436e9
JS		 9603 lpfc_sli_hba_down(phba);
9604 /* Stop kthread signal shall trigger work_done one more time */
9605 kthread_stop(phba->worker_thread);
9606 /* Final cleanup of txcmplq and reset the HBA */
9607 lpfc_sli_brdrestart(phba);
9608
72859909
JS		 9609 kfree(phba->vpi_bmask);
9610 kfree(phba->vpi_ids);
9611
da0436e9
JS		 9612 lpfc_stop_hba_timers(phba);
9613 spin_lock_irq(&phba->hbalock);
9614 list_del_init(&vport->listentry);
9615 spin_unlock_irq(&phba->hbalock);
9616
9617 lpfc_debugfs_terminate(vport);
9618
912e3acd
JS		 9619 /* Disable SR-IOV if enabled */
9620 if (phba->cfg_sriov_nr_virtfn)
9621 pci_disable_sriov(pdev);
9622
da0436e9
JS		 9623 /* Disable interrupt */
9624 lpfc_sli_disable_intr(phba);
9625
da0436e9
JS		 9626 scsi_host_put(shost);
9627
9628 /*
9629 * Call scsi_free before mem_free since scsi bufs are released to their
9630 * corresponding pools here.
9631 */
9632 lpfc_scsi_free(phba);
9633 lpfc_mem_free_all(phba);
9634
9635 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
9636 phba->hbqslimp.virt, phba->hbqslimp.phys);
9637
9638 /* Free resources associated with SLI2 interface */
9639 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
9640 phba->slim2p.virt, phba->slim2p.phys);
9641
9642 /* unmap adapter SLIM and Control Registers */
9643 iounmap(phba->ctrl_regs_memmap_p);
9644 iounmap(phba->slim_memmap_p);
9645
9646 lpfc_hba_free(phba);
9647
9648 pci_release_selected_regions(pdev, bars);
9649 pci_disable_device(pdev);
9650}
9651
9652/**
9653 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
9654 * @pdev: pointer to PCI device
9655 * @msg: power management message
9656 *
9657 * This routine is to be called from the kernel's PCI subsystem to support
9658 * system Power Management (PM) to device with SLI-3 interface spec. When
9659 * PM invokes this method, it quiesces the device by stopping the driver's
9660 * worker thread for the device, turning off device's interrupt and DMA,
9661 * and bring the device offline. Note that as the driver implements the
9662 * minimum PM requirements to a power-aware driver's PM support for the
9663 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
9664 * to the suspend() method call will be treated as SUSPEND and the driver will
9665 * fully reinitialize its device during resume() method call, the driver will
9666 * set device to PCI_D3hot state in PCI config space instead of setting it
9667 * according to the @msg provided by the PM.
9668 *
9669 * Return code
9670 * 0 - driver suspended the device
9671 * Error otherwise
9672 **/
9673static int
9674lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg)
9675{
9676 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9677 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9678
9679 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9680 "0473 PCI device Power Management suspend.\n");
9681
9682 /* Bring down the device */
618a5230 9683 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
da0436e9
JS		 9684 lpfc_offline(phba);
9685 kthread_stop(phba->worker_thread);
9686
9687 /* Disable interrupt from device */
9688 lpfc_sli_disable_intr(phba);
9689
9690 /* Save device state to PCI config space */
9691 pci_save_state(pdev);
9692 pci_set_power_state(pdev, PCI_D3hot);
9693
9694 return 0;
9695}
9696
9697/**
9698 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
9699 * @pdev: pointer to PCI device
9700 *
9701 * This routine is to be called from the kernel's PCI subsystem to support
9702 * system Power Management (PM) to device with SLI-3 interface spec. When PM
9703 * invokes this method, it restores the device's PCI config space state and
9704 * fully reinitializes the device and brings it online. Note that as the
9705 * driver implements the minimum PM requirements to a power-aware driver's
9706 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
9707 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
9708 * driver will fully reinitialize its device during resume() method call,
9709 * the device will be set to PCI_D0 directly in PCI config space before
9710 * restoring the state.
9711 *
9712 * Return code
9713 * 0 - driver suspended the device
9714 * Error otherwise
9715 **/
9716static int
9717lpfc_pci_resume_one_s3(struct pci_dev *pdev)
9718{
9719 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9720 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9721 uint32_t intr_mode;
9722 int error;
9723
9724 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
9725 "0452 PCI device Power Management resume.\n");
9726
9727 /* Restore device state from PCI config space */
9728 pci_set_power_state(pdev, PCI_D0);
9729 pci_restore_state(pdev);
0d878419 9730
1dfb5a47
JS		 9731 /*
9732 * As the new kernel behavior of pci_restore_state() API call clears
9733 * device saved_state flag, need to save the restored state again.
9734 */
9735 pci_save_state(pdev);
9736
da0436e9
JS		 9737 if (pdev->is_busmaster)
9738 pci_set_master(pdev);
9739
9740 /* Startup the kernel thread for this host adapter. */
9741 phba->worker_thread = kthread_run(lpfc_do_work, phba,
9742 "lpfc_worker_%d", phba->brd_no);
9743 if (IS_ERR(phba->worker_thread)) {
9744 error = PTR_ERR(phba->worker_thread);
9745 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9746 "0434 PM resume failed to start worker "
9747 "thread: error=x%x.\n", error);
9748 return error;
9749 }
9750
9751 /* Configure and enable interrupt */
9752 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
9753 if (intr_mode == LPFC_INTR_ERROR) {
9754 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9755 "0430 PM resume Failed to enable interrupt\n");
9756 return -EIO;
9757 } else
9758 phba->intr_mode = intr_mode;
9759
9760 /* Restart HBA and bring it online */
9761 lpfc_sli_brdrestart(phba);
9762 lpfc_online(phba);
9763
9764 /* Log the current active interrupt mode */
9765 lpfc_log_intr_mode(phba, phba->intr_mode);
9766
9767 return 0;
9768}
9769
891478a2
JS		 9770/**
9771 * lpfc_sli_prep_dev_for_recover - Prepare SLI3 device for pci slot recover
9772 * @phba: pointer to lpfc hba data structure.
9773 *
9774 * This routine is called to prepare the SLI3 device for PCI slot recover. It
e2af0d2e 9775 * aborts all the outstanding SCSI I/Os to the pci device.
891478a2
JS		 9776 **/
9777static void
9778lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba)
9779{
9780 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9781 "2723 PCI channel I/O abort preparing for recovery\n");
e2af0d2e
JS		 9782
9783 /*
9784 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
9785 * and let the SCSI mid-layer to retry them to recover.
9786 */
db55fba8 9787 lpfc_sli_abort_fcp_rings(phba);
891478a2
JS		 9788}
9789
0d878419
JS		 9790/**
9791 * lpfc_sli_prep_dev_for_reset - Prepare SLI3 device for pci slot reset
9792 * @phba: pointer to lpfc hba data structure.
9793 *
9794 * This routine is called to prepare the SLI3 device for PCI slot reset. It
9795 * disables the device interrupt and pci device, and aborts the internal FCP
9796 * pending I/Os.
9797 **/
9798static void
9799lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba)
9800{
0d878419 9801 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
891478a2 9802 "2710 PCI channel disable preparing for reset\n");
e2af0d2e 9803
75baf696 9804 /* Block any management I/Os to the device */
618a5230 9805 lpfc_block_mgmt_io(phba, LPFC_MBX_WAIT);
75baf696 9806
e2af0d2e
JS		 9807 /* Block all SCSI devices' I/Os on the host */
9808 lpfc_scsi_dev_block(phba);
9809
ea714f3d
JS		 9810 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
9811 lpfc_sli_flush_fcp_rings(phba);
9812
e2af0d2e
JS		 9813 /* stop all timers */
9814 lpfc_stop_hba_timers(phba);
9815
0d878419
JS		 9816 /* Disable interrupt and pci device */
9817 lpfc_sli_disable_intr(phba);
9818 pci_disable_device(phba->pcidev);
0d878419
JS		 9819}
9820
9821/**
9822 * lpfc_sli_prep_dev_for_perm_failure - Prepare SLI3 dev for pci slot disable
9823 * @phba: pointer to lpfc hba data structure.
9824 *
9825 * This routine is called to prepare the SLI3 device for PCI slot permanently
9826 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
9827 * pending I/Os.
9828 **/
9829static void
75baf696 9830lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba)
0d878419
JS		 9831{
9832 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
891478a2 9833 "2711 PCI channel permanent disable for failure\n");
e2af0d2e
JS		 9834 /* Block all SCSI devices' I/Os on the host */
9835 lpfc_scsi_dev_block(phba);
9836
9837 /* stop all timers */
9838 lpfc_stop_hba_timers(phba);
9839
0d878419
JS		 9840 /* Clean up all driver's outstanding SCSI I/Os */
9841 lpfc_sli_flush_fcp_rings(phba);
9842}
9843
da0436e9
JS		 9844/**
9845 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
9846 * @pdev: pointer to PCI device.
9847 * @state: the current PCI connection state.
9848 *
9849 * This routine is called from the PCI subsystem for I/O error handling to
9850 * device with SLI-3 interface spec. This function is called by the PCI
9851 * subsystem after a PCI bus error affecting this device has been detected.
9852 * When this function is invoked, it will need to stop all the I/Os and
9853 * interrupt(s) to the device. Once that is done, it will return
9854 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
9855 * as desired.
9856 *
9857 * Return codes
0d878419 9858 * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link
da0436e9
JS		 9859 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
9860 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9861 **/
9862static pci_ers_result_t
9863lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state)
9864{
9865 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9866 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
da0436e9 9867
0d878419
JS		 9868 switch (state) {
9869 case pci_channel_io_normal:
891478a2
JS		 9870 /* Non-fatal error, prepare for recovery */
9871 lpfc_sli_prep_dev_for_recover(phba);
0d878419
JS		 9872 return PCI_ERS_RESULT_CAN_RECOVER;
9873 case pci_channel_io_frozen:
9874 /* Fatal error, prepare for slot reset */
9875 lpfc_sli_prep_dev_for_reset(phba);
9876 return PCI_ERS_RESULT_NEED_RESET;
9877 case pci_channel_io_perm_failure:
9878 /* Permanent failure, prepare for device down */
75baf696 9879 lpfc_sli_prep_dev_for_perm_failure(phba);
da0436e9 9880 return PCI_ERS_RESULT_DISCONNECT;
0d878419
JS		 9881 default:
9882 /* Unknown state, prepare and request slot reset */
9883 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9884 "0472 Unknown PCI error state: x%x\n", state);
9885 lpfc_sli_prep_dev_for_reset(phba);
9886 return PCI_ERS_RESULT_NEED_RESET;
da0436e9 9887 }
da0436e9
JS		 9888}
9889
9890/**
9891 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
9892 * @pdev: pointer to PCI device.
9893 *
9894 * This routine is called from the PCI subsystem for error handling to
9895 * device with SLI-3 interface spec. This is called after PCI bus has been
9896 * reset to restart the PCI card from scratch, as if from a cold-boot.
9897 * During the PCI subsystem error recovery, after driver returns
9898 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
9899 * recovery and then call this routine before calling the .resume method
9900 * to recover the device. This function will initialize the HBA device,
9901 * enable the interrupt, but it will just put the HBA to offline state
9902 * without passing any I/O traffic.
9903 *
9904 * Return codes
9905 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
9906 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
9907 */
9908static pci_ers_result_t
9909lpfc_io_slot_reset_s3(struct pci_dev *pdev)
9910{
9911 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9912 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
9913 struct lpfc_sli *psli = &phba->sli;
9914 uint32_t intr_mode;
9915
9916 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
9917 if (pci_enable_device_mem(pdev)) {
9918 printk(KERN_ERR "lpfc: Cannot re-enable "
9919 "PCI device after reset.\n");
9920 return PCI_ERS_RESULT_DISCONNECT;
9921 }
9922
9923 pci_restore_state(pdev);
1dfb5a47
JS		 9924
9925 /*
9926 * As the new kernel behavior of pci_restore_state() API call clears
9927 * device saved_state flag, need to save the restored state again.
9928 */
9929 pci_save_state(pdev);
9930
da0436e9
JS		 9931 if (pdev->is_busmaster)
9932 pci_set_master(pdev);
9933
9934 spin_lock_irq(&phba->hbalock);
9935 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
9936 spin_unlock_irq(&phba->hbalock);
9937
9938 /* Configure and enable interrupt */
9939 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
9940 if (intr_mode == LPFC_INTR_ERROR) {
9941 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9942 "0427 Cannot re-enable interrupt after "
9943 "slot reset.\n");
9944 return PCI_ERS_RESULT_DISCONNECT;
9945 } else
9946 phba->intr_mode = intr_mode;
9947
75baf696 9948 /* Take device offline, it will perform cleanup */
618a5230 9949 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
da0436e9
JS		 9950 lpfc_offline(phba);
9951 lpfc_sli_brdrestart(phba);
9952
9953 /* Log the current active interrupt mode */
9954 lpfc_log_intr_mode(phba, phba->intr_mode);
9955
9956 return PCI_ERS_RESULT_RECOVERED;
9957}
9958
9959/**
9960 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
9961 * @pdev: pointer to PCI device
9962 *
9963 * This routine is called from the PCI subsystem for error handling to device
9964 * with SLI-3 interface spec. It is called when kernel error recovery tells
9965 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
9966 * error recovery. After this call, traffic can start to flow from this device
9967 * again.
9968 */
9969static void
9970lpfc_io_resume_s3(struct pci_dev *pdev)
9971{
9972 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9973 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
3772a991 9974
e2af0d2e 9975 /* Bring device online, it will be no-op for non-fatal error resume */
da0436e9 9976 lpfc_online(phba);
0d878419
JS		 9977
9978 /* Clean up Advanced Error Reporting (AER) if needed */
9979 if (phba->hba_flag & HBA_AER_ENABLED)
9980 pci_cleanup_aer_uncorrect_error_status(pdev);
da0436e9 9981}
3772a991 9982
da0436e9
JS		 9983/**
9984 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
9985 * @phba: pointer to lpfc hba data structure.
9986 *
9987 * returns the number of ELS/CT IOCBs to reserve
9988 **/
9989int
9990lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
9991{
9992 int max_xri = phba->sli4_hba.max_cfg_param.max_xri;
9993
f1126688
JS		 9994 if (phba->sli_rev == LPFC_SLI_REV4) {
9995 if (max_xri <= 100)
6a9c52cf 9996 return 10;
f1126688 9997 else if (max_xri <= 256)
6a9c52cf 9998 return 25;
f1126688 9999 else if (max_xri <= 512)
6a9c52cf 10000 return 50;
f1126688 10001 else if (max_xri <= 1024)
6a9c52cf 10002 return 100;
8a9d2e80 10003 else if (max_xri <= 1536)
6a9c52cf 10004 return 150;
8a9d2e80
JS		 10005 else if (max_xri <= 2048)
10006 return 200;
10007 else
10008 return 250;
f1126688
JS		 10009 } else
10010 return 0;
3772a991
JS		 10011}
10012
52d52440
JS		 10013/**
10014 * lpfc_write_firmware - attempt to write a firmware image to the port
52d52440 10015 * @fw: pointer to firmware image returned from request_firmware.
ce396282 10016 * @phba: pointer to lpfc hba data structure.
52d52440 10017 *
52d52440 10018 **/
ce396282
JS		 10019static void
10020lpfc_write_firmware(const struct firmware *fw, void *context)
52d52440 10021{
ce396282 10022 struct lpfc_hba *phba = (struct lpfc_hba *)context;
6b5151fd 10023 char fwrev[FW_REV_STR_SIZE];
ce396282 10024 struct lpfc_grp_hdr *image;
52d52440
JS		 10025 struct list_head dma_buffer_list;
10026 int i, rc = 0;
10027 struct lpfc_dmabuf *dmabuf, *next;
10028 uint32_t offset = 0, temp_offset = 0;
10029
c71ab861 10030 /* It can be null in no-wait mode, sanity check */
ce396282
JS		 10031 if (!fw) {
10032 rc = -ENXIO;
10033 goto out;
10034 }
10035 image = (struct lpfc_grp_hdr *)fw->data;
10036
52d52440 10037 INIT_LIST_HEAD(&dma_buffer_list);
079b5c91
JS		 10038 if ((be32_to_cpu(image->magic_number) != LPFC_GROUP_OJECT_MAGIC_NUM) ||
10039 (bf_get_be32(lpfc_grp_hdr_file_type, image) !=
10040 LPFC_FILE_TYPE_GROUP) ||
10041 (bf_get_be32(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) ||
10042 (be32_to_cpu(image->size) != fw->size)) {
52d52440
JS		 10043 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10044 "3022 Invalid FW image found. "
079b5c91
JS		 10045 "Magic:%x Type:%x ID:%x\n",
10046 be32_to_cpu(image->magic_number),
10047 bf_get_be32(lpfc_grp_hdr_file_type, image),
10048 bf_get_be32(lpfc_grp_hdr_id, image));
ce396282
JS		 10049 rc = -EINVAL;
10050 goto release_out;
52d52440
JS		 10051 }
10052 lpfc_decode_firmware_rev(phba, fwrev, 1);
88a2cfbb 10053 if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) {
52d52440 10054 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
ce396282 10055 "3023 Updating Firmware, Current Version:%s "
52d52440 10056 "New Version:%s\n",
88a2cfbb 10057 fwrev, image->revision);
52d52440
JS		 10058 for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) {
10059 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf),
10060 GFP_KERNEL);
10061 if (!dmabuf) {
10062 rc = -ENOMEM;
ce396282 10063 goto release_out;
52d52440
JS		 10064 }
10065 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
10066 SLI4_PAGE_SIZE,
10067 &dmabuf->phys,
10068 GFP_KERNEL);
10069 if (!dmabuf->virt) {
10070 kfree(dmabuf);
10071 rc = -ENOMEM;
ce396282 10072 goto release_out;
52d52440
JS		 10073 }
10074 list_add_tail(&dmabuf->list, &dma_buffer_list);
10075 }
10076 while (offset < fw->size) {
10077 temp_offset = offset;
10078 list_for_each_entry(dmabuf, &dma_buffer_list, list) {
079b5c91 10079 if (temp_offset + SLI4_PAGE_SIZE > fw->size) {
52d52440
JS		 10080 memcpy(dmabuf->virt,
10081 fw->data + temp_offset,
079b5c91
JS		 10082 fw->size - temp_offset);
10083 temp_offset = fw->size;
52d52440
JS		 10084 break;
10085 }
52d52440
JS		 10086 memcpy(dmabuf->virt, fw->data + temp_offset,
10087 SLI4_PAGE_SIZE);
88a2cfbb 10088 temp_offset += SLI4_PAGE_SIZE;
52d52440
JS		 10089 }
10090 rc = lpfc_wr_object(phba, &dma_buffer_list,
10091 (fw->size - offset), &offset);
ce396282
JS		 10092 if (rc)
10093 goto release_out;
52d52440
JS		 10094 }
10095 rc = offset;
10096 }
ce396282
JS		 10097
10098release_out:
52d52440
JS		 10099 list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) {
10100 list_del(&dmabuf->list);
10101 dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
10102 dmabuf->virt, dmabuf->phys);
10103 kfree(dmabuf);
10104 }
ce396282
JS		 10105 release_firmware(fw);
10106out:
10107 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
c71ab861 10108 "3024 Firmware update done: %d.\n", rc);
ce396282 10109 return;
52d52440
JS		 10110}
10111
c71ab861
JS		 10112/**
10113 * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade
10114 * @phba: pointer to lpfc hba data structure.
10115 *
10116 * This routine is called to perform Linux generic firmware upgrade on device
10117 * that supports such feature.
10118 **/
10119int
10120lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade)
10121{
10122 uint8_t file_name[ELX_MODEL_NAME_SIZE];
10123 int ret;
10124 const struct firmware *fw;
10125
10126 /* Only supported on SLI4 interface type 2 for now */
10127 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
10128 LPFC_SLI_INTF_IF_TYPE_2)
10129 return -EPERM;
10130
10131 snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName);
10132
10133 if (fw_upgrade == INT_FW_UPGRADE) {
10134 ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
10135 file_name, &phba->pcidev->dev,
10136 GFP_KERNEL, (void *)phba,
10137 lpfc_write_firmware);
10138 } else if (fw_upgrade == RUN_FW_UPGRADE) {
10139 ret = request_firmware(&fw, file_name, &phba->pcidev->dev);
10140 if (!ret)
10141 lpfc_write_firmware(fw, (void *)phba);
10142 } else {
10143 ret = -EINVAL;
10144 }
10145
10146 return ret;
10147}
10148
3772a991 10149/**
da0436e9 10150 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
3772a991
JS		 10151 * @pdev: pointer to PCI device
10152 * @pid: pointer to PCI device identifier
10153 *
da0436e9
JS		 10154 * This routine is called from the kernel's PCI subsystem to device with
10155 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
3772a991 10156 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
da0436e9
JS		 10157 * information of the device and driver to see if the driver state that it
10158 * can support this kind of device. If the match is successful, the driver
10159 * core invokes this routine. If this routine determines it can claim the HBA,
10160 * it does all the initialization that it needs to do to handle the HBA
10161 * properly.
3772a991
JS		 10162 *
10163 * Return code
10164 * 0 - driver can claim the device
10165 * negative value - driver can not claim the device
10166 **/
6f039790 10167static int
da0436e9 10168lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
3772a991
JS		 10169{
10170 struct lpfc_hba *phba;
10171 struct lpfc_vport *vport = NULL;
6669f9bb 10172 struct Scsi_Host *shost = NULL;
ce396282 10173 int error, ret;
3772a991 10174 uint32_t cfg_mode, intr_mode;
67d12733 10175 int adjusted_fcp_io_channel;
3772a991
JS		 10176
10177 /* Allocate memory for HBA structure */
10178 phba = lpfc_hba_alloc(pdev);
10179 if (!phba)
10180 return -ENOMEM;
10181
10182 /* Perform generic PCI device enabling operation */
10183 error = lpfc_enable_pci_dev(phba);
079b5c91 10184 if (error)
3772a991 10185 goto out_free_phba;
3772a991 10186
da0436e9
JS		 10187 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
10188 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC);
3772a991
JS		 10189 if (error)
10190 goto out_disable_pci_dev;
10191
da0436e9
JS		 10192 /* Set up SLI-4 specific device PCI memory space */
10193 error = lpfc_sli4_pci_mem_setup(phba);
3772a991
JS		 10194 if (error) {
10195 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10196 "1410 Failed to set up pci memory space.\n");
3772a991
JS		 10197 goto out_disable_pci_dev;
10198 }
10199
10200 /* Set up phase-1 common device driver resources */
10201 error = lpfc_setup_driver_resource_phase1(phba);
10202 if (error) {
10203 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 10204 "1411 Failed to set up driver resource.\n");
10205 goto out_unset_pci_mem_s4;
3772a991
JS		 10206 }
10207
da0436e9
JS		 10208 /* Set up SLI-4 Specific device driver resources */
10209 error = lpfc_sli4_driver_resource_setup(phba);
3772a991
JS		 10210 if (error) {
10211 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 10212 "1412 Failed to set up driver resource.\n");
10213 goto out_unset_pci_mem_s4;
3772a991
JS		 10214 }
10215
10216 /* Initialize and populate the iocb list per host */
2a9bf3d0
JS		 10217
10218 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
10219 "2821 initialize iocb list %d.\n",
10220 phba->cfg_iocb_cnt*1024);
10221 error = lpfc_init_iocb_list(phba, phba->cfg_iocb_cnt*1024);
10222
3772a991
JS		 10223 if (error) {
10224 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9
JS		 10225 "1413 Failed to initialize iocb list.\n");
10226 goto out_unset_driver_resource_s4;
3772a991
JS		 10227 }
10228
19ca7609 10229 INIT_LIST_HEAD(&phba->active_rrq_list);
7d791df7 10230 INIT_LIST_HEAD(&phba->fcf.fcf_pri_list);
19ca7609 10231
3772a991
JS		 10232 /* Set up common device driver resources */
10233 error = lpfc_setup_driver_resource_phase2(phba);
10234 if (error) {
10235 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10236 "1414 Failed to set up driver resource.\n");
3772a991
JS		 10237 goto out_free_iocb_list;
10238 }
10239
079b5c91
JS		 10240 /* Get the default values for Model Name and Description */
10241 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
10242
3772a991
JS		 10243 /* Create SCSI host to the physical port */
10244 error = lpfc_create_shost(phba);
10245 if (error) {
10246 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10247 "1415 Failed to create scsi host.\n");
3772a991
JS		 10248 goto out_unset_driver_resource;
10249 }
9399627f 10250
5b75da2f 10251 /* Configure sysfs attributes */
3772a991
JS		 10252 vport = phba->pport;
10253 error = lpfc_alloc_sysfs_attr(vport);
10254 if (error) {
9399627f 10255 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10256 "1416 Failed to allocate sysfs attr\n");
3772a991 10257 goto out_destroy_shost;
98c9ea5c 10258 }
875fbdfe 10259
6669f9bb 10260 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
3772a991 10261 /* Now, trying to enable interrupt and bring up the device */
5b75da2f 10262 cfg_mode = phba->cfg_use_msi;
5b75da2f 10263
7b15db32
JS		 10264 /* Put device to a known state before enabling interrupt */
10265 lpfc_stop_port(phba);
10266 /* Configure and enable interrupt */
10267 intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode);
10268 if (intr_mode == LPFC_INTR_ERROR) {
10269 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10270 "0426 Failed to enable interrupt.\n");
10271 error = -ENODEV;
10272 goto out_free_sysfs_attr;
10273 }
10274 /* Default to single EQ for non-MSI-X */
10275 if (phba->intr_type != MSIX)
10276 adjusted_fcp_io_channel = 1;
10277 else
10278 adjusted_fcp_io_channel = phba->cfg_fcp_io_channel;
10279 phba->cfg_fcp_io_channel = adjusted_fcp_io_channel;
10280 /* Set up SLI-4 HBA */
10281 if (lpfc_sli4_hba_setup(phba)) {
10282 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10283 "1421 Failed to set up hba\n");
10284 error = -ENODEV;
10285 goto out_disable_intr;
98c9ea5c 10286 }
858c9f6c 10287
7b15db32
JS		 10288 /* Log the current active interrupt mode */
10289 phba->intr_mode = intr_mode;
10290 lpfc_log_intr_mode(phba, intr_mode);
10291
3772a991
JS		 10292 /* Perform post initialization setup */
10293 lpfc_post_init_setup(phba);
dea3101e 10294
c71ab861
JS		 10295 /* check for firmware upgrade or downgrade */
10296 if (phba->cfg_request_firmware_upgrade)
10297 ret = lpfc_sli4_request_firmware_update(phba, INT_FW_UPGRADE);
52d52440 10298
1c6834a7
JS		 10299 /* Check if there are static vports to be created. */
10300 lpfc_create_static_vport(phba);
dea3101e
JB		 10301 return 0;
10302
da0436e9
JS		 10303out_disable_intr:
10304 lpfc_sli4_disable_intr(phba);
5b75da2f
JS		 10305out_free_sysfs_attr:
10306 lpfc_free_sysfs_attr(vport);
3772a991
JS		 10307out_destroy_shost:
10308 lpfc_destroy_shost(phba);
10309out_unset_driver_resource:
10310 lpfc_unset_driver_resource_phase2(phba);
10311out_free_iocb_list:
10312 lpfc_free_iocb_list(phba);
da0436e9
JS		 10313out_unset_driver_resource_s4:
10314 lpfc_sli4_driver_resource_unset(phba);
10315out_unset_pci_mem_s4:
10316 lpfc_sli4_pci_mem_unset(phba);
3772a991
JS		 10317out_disable_pci_dev:
10318 lpfc_disable_pci_dev(phba);
6669f9bb
JS		 10319 if (shost)
10320 scsi_host_put(shost);
2e0fef85 10321out_free_phba:
3772a991 10322 lpfc_hba_free(phba);
dea3101e
JB		 10323 return error;
10324}
10325
e59058c4 10326/**
da0436e9 10327 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
e59058c4
JS		 10328 * @pdev: pointer to PCI device
10329 *
da0436e9
JS		 10330 * This routine is called from the kernel's PCI subsystem to device with
10331 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
3772a991
JS		 10332 * removed from PCI bus, it performs all the necessary cleanup for the HBA
10333 * device to be removed from the PCI subsystem properly.
e59058c4 10334 **/
6f039790 10335static void
da0436e9 10336lpfc_pci_remove_one_s4(struct pci_dev *pdev)
dea3101e 10337{
da0436e9 10338 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2e0fef85 10339 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
eada272d 10340 struct lpfc_vport **vports;
da0436e9 10341 struct lpfc_hba *phba = vport->phba;
eada272d 10342 int i;
8a4df120 10343
da0436e9 10344 /* Mark the device unloading flag */
549e55cd 10345 spin_lock_irq(&phba->hbalock);
51ef4c26 10346 vport->load_flag |= FC_UNLOADING;
549e55cd 10347 spin_unlock_irq(&phba->hbalock);
2e0fef85 10348
da0436e9 10349 /* Free the HBA sysfs attributes */
858c9f6c
JS		 10350 lpfc_free_sysfs_attr(vport);
10351
eada272d
JS		 10352 /* Release all the vports against this physical port */
10353 vports = lpfc_create_vport_work_array(phba);
10354 if (vports != NULL)
587a37f6
JS		 10355 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
10356 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
10357 continue;
eada272d 10358 fc_vport_terminate(vports[i]->fc_vport);
587a37f6 10359 }
eada272d
JS		 10360 lpfc_destroy_vport_work_array(phba, vports);
10361
10362 /* Remove FC host and then SCSI host with the physical port */
858c9f6c
JS		 10363 fc_remove_host(shost);
10364 scsi_remove_host(shost);
da0436e9
JS		 10365
10366 /* Perform cleanup on the physical port */
87af33fe
JS		 10367 lpfc_cleanup(vport);
10368
2e0fef85 10369 /*
da0436e9 10370 * Bring down the SLI Layer. This step disables all interrupts,
2e0fef85 10371 * clears the rings, discards all mailbox commands, and resets
da0436e9 10372 * the HBA FCoE function.
2e0fef85 10373 */
da0436e9
JS		 10374 lpfc_debugfs_terminate(vport);
10375 lpfc_sli4_hba_unset(phba);
a257bf90 10376
858c9f6c
JS		 10377 spin_lock_irq(&phba->hbalock);
10378 list_del_init(&vport->listentry);
10379 spin_unlock_irq(&phba->hbalock);
10380
3677a3a7 10381 /* Perform scsi free before driver resource_unset since scsi
da0436e9 10382 * buffers are released to their corresponding pools here.
2e0fef85
JS		 10383 */
10384 lpfc_scsi_free(phba);
67d12733 10385
da0436e9 10386 lpfc_sli4_driver_resource_unset(phba);
ed957684 10387
da0436e9
JS		 10388 /* Unmap adapter Control and Doorbell registers */
10389 lpfc_sli4_pci_mem_unset(phba);
2e0fef85 10390
da0436e9
JS		 10391 /* Release PCI resources and disable device's PCI function */
10392 scsi_host_put(shost);
10393 lpfc_disable_pci_dev(phba);
2e0fef85 10394
da0436e9 10395 /* Finally, free the driver's device data structure */
3772a991 10396 lpfc_hba_free(phba);
2e0fef85 10397
da0436e9 10398 return;
dea3101e
JB		 10399}
10400
3a55b532 10401/**
da0436e9 10402 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
3a55b532
JS		 10403 * @pdev: pointer to PCI device
10404 * @msg: power management message
10405 *
da0436e9
JS		 10406 * This routine is called from the kernel's PCI subsystem to support system
10407 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
10408 * this method, it quiesces the device by stopping the driver's worker
10409 * thread for the device, turning off device's interrupt and DMA, and bring
10410 * the device offline. Note that as the driver implements the minimum PM
10411 * requirements to a power-aware driver's PM support for suspend/resume -- all
10412 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
10413 * method call will be treated as SUSPEND and the driver will fully
10414 * reinitialize its device during resume() method call, the driver will set
10415 * device to PCI_D3hot state in PCI config space instead of setting it
3772a991 10416 * according to the @msg provided by the PM.
3a55b532
JS		 10417 *
10418 * Return code
3772a991
JS		 10419 * 0 - driver suspended the device
10420 * Error otherwise
3a55b532
JS		 10421 **/
10422static int
da0436e9 10423lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg)
3a55b532
JS		 10424{
10425 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10426 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10427
10428 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
75baf696 10429 "2843 PCI device Power Management suspend.\n");
3a55b532
JS		 10430
10431 /* Bring down the device */
618a5230 10432 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
3a55b532
JS		 10433 lpfc_offline(phba);
10434 kthread_stop(phba->worker_thread);
10435
10436 /* Disable interrupt from device */
da0436e9 10437 lpfc_sli4_disable_intr(phba);
5350d872 10438 lpfc_sli4_queue_destroy(phba);
3a55b532
JS		 10439
10440 /* Save device state to PCI config space */
10441 pci_save_state(pdev);
10442 pci_set_power_state(pdev, PCI_D3hot);
10443
10444 return 0;
10445}
10446
10447/**
da0436e9 10448 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
3a55b532
JS		 10449 * @pdev: pointer to PCI device
10450 *
da0436e9
JS		 10451 * This routine is called from the kernel's PCI subsystem to support system
10452 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
10453 * this method, it restores the device's PCI config space state and fully
10454 * reinitializes the device and brings it online. Note that as the driver
10455 * implements the minimum PM requirements to a power-aware driver's PM for
10456 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
10457 * to the suspend() method call will be treated as SUSPEND and the driver
10458 * will fully reinitialize its device during resume() method call, the device
10459 * will be set to PCI_D0 directly in PCI config space before restoring the
10460 * state.
3a55b532
JS		 10461 *
10462 * Return code
3772a991
JS		 10463 * 0 - driver suspended the device
10464 * Error otherwise
3a55b532
JS		 10465 **/
10466static int
da0436e9 10467lpfc_pci_resume_one_s4(struct pci_dev *pdev)
3a55b532
JS		 10468{
10469 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10470 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
5b75da2f 10471 uint32_t intr_mode;
3a55b532
JS		 10472 int error;
10473
10474 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
da0436e9 10475 "0292 PCI device Power Management resume.\n");
3a55b532
JS		 10476
10477 /* Restore device state from PCI config space */
10478 pci_set_power_state(pdev, PCI_D0);
10479 pci_restore_state(pdev);
1dfb5a47
JS		 10480
10481 /*
10482 * As the new kernel behavior of pci_restore_state() API call clears
10483 * device saved_state flag, need to save the restored state again.
10484 */
10485 pci_save_state(pdev);
10486
3a55b532
JS		 10487 if (pdev->is_busmaster)
10488 pci_set_master(pdev);
10489
da0436e9 10490 /* Startup the kernel thread for this host adapter. */
3a55b532
JS		 10491 phba->worker_thread = kthread_run(lpfc_do_work, phba,
10492 "lpfc_worker_%d", phba->brd_no);
10493 if (IS_ERR(phba->worker_thread)) {
10494 error = PTR_ERR(phba->worker_thread);
10495 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10496 "0293 PM resume failed to start worker "
3a55b532
JS		 10497 "thread: error=x%x.\n", error);
10498 return error;
10499 }
10500
5b75da2f 10501 /* Configure and enable interrupt */
da0436e9 10502 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
5b75da2f 10503 if (intr_mode == LPFC_INTR_ERROR) {
3a55b532 10504 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
da0436e9 10505 "0294 PM resume Failed to enable interrupt\n");
5b75da2f
JS		 10506 return -EIO;
10507 } else
10508 phba->intr_mode = intr_mode;
3a55b532
JS		 10509
10510 /* Restart HBA and bring it online */
10511 lpfc_sli_brdrestart(phba);
10512 lpfc_online(phba);
10513
5b75da2f
JS		 10514 /* Log the current active interrupt mode */
10515 lpfc_log_intr_mode(phba, phba->intr_mode);
10516
3a55b532
JS		 10517 return 0;
10518}
10519
75baf696
JS		 10520/**
10521 * lpfc_sli4_prep_dev_for_recover - Prepare SLI4 device for pci slot recover
10522 * @phba: pointer to lpfc hba data structure.
10523 *
10524 * This routine is called to prepare the SLI4 device for PCI slot recover. It
10525 * aborts all the outstanding SCSI I/Os to the pci device.
10526 **/
10527static void
10528lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba)
10529{
75baf696
JS		 10530 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10531 "2828 PCI channel I/O abort preparing for recovery\n");
10532 /*
10533 * There may be errored I/Os through HBA, abort all I/Os on txcmplq
10534 * and let the SCSI mid-layer to retry them to recover.
10535 */
db55fba8 10536 lpfc_sli_abort_fcp_rings(phba);
75baf696
JS		 10537}
10538
10539/**
10540 * lpfc_sli4_prep_dev_for_reset - Prepare SLI4 device for pci slot reset
10541 * @phba: pointer to lpfc hba data structure.
10542 *
10543 * This routine is called to prepare the SLI4 device for PCI slot reset. It
10544 * disables the device interrupt and pci device, and aborts the internal FCP
10545 * pending I/Os.
10546 **/
10547static void
10548lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba)
10549{
10550 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10551 "2826 PCI channel disable preparing for reset\n");
10552
10553 /* Block any management I/Os to the device */
618a5230 10554 lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT);
75baf696
JS		 10555
10556 /* Block all SCSI devices' I/Os on the host */
10557 lpfc_scsi_dev_block(phba);
10558
ea714f3d
JS		 10559 /* Flush all driver's outstanding SCSI I/Os as we are to reset */
10560 lpfc_sli_flush_fcp_rings(phba);
10561
75baf696
JS		 10562 /* stop all timers */
10563 lpfc_stop_hba_timers(phba);
10564
10565 /* Disable interrupt and pci device */
10566 lpfc_sli4_disable_intr(phba);
5350d872 10567 lpfc_sli4_queue_destroy(phba);
75baf696 10568 pci_disable_device(phba->pcidev);
75baf696
JS		 10569}
10570
10571/**
10572 * lpfc_sli4_prep_dev_for_perm_failure - Prepare SLI4 dev for pci slot disable
10573 * @phba: pointer to lpfc hba data structure.
10574 *
10575 * This routine is called to prepare the SLI4 device for PCI slot permanently
10576 * disabling. It blocks the SCSI transport layer traffic and flushes the FCP
10577 * pending I/Os.
10578 **/
10579static void
10580lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba)
10581{
10582 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10583 "2827 PCI channel permanent disable for failure\n");
10584
10585 /* Block all SCSI devices' I/Os on the host */
10586 lpfc_scsi_dev_block(phba);
10587
10588 /* stop all timers */
10589 lpfc_stop_hba_timers(phba);
10590
10591 /* Clean up all driver's outstanding SCSI I/Os */
10592 lpfc_sli_flush_fcp_rings(phba);
10593}
10594
8d63f375 10595/**
da0436e9 10596 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
e59058c4
JS		 10597 * @pdev: pointer to PCI device.
10598 * @state: the current PCI connection state.
8d63f375 10599 *
da0436e9
JS		 10600 * This routine is called from the PCI subsystem for error handling to device
10601 * with SLI-4 interface spec. This function is called by the PCI subsystem
10602 * after a PCI bus error affecting this device has been detected. When this
10603 * function is invoked, it will need to stop all the I/Os and interrupt(s)
10604 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
10605 * for the PCI subsystem to perform proper recovery as desired.
e59058c4
JS		 10606 *
10607 * Return codes
3772a991
JS		 10608 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10609 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
e59058c4 10610 **/
3772a991 10611static pci_ers_result_t
da0436e9 10612lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
8d63f375 10613{
75baf696
JS		 10614 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10615 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10616
10617 switch (state) {
10618 case pci_channel_io_normal:
10619 /* Non-fatal error, prepare for recovery */
10620 lpfc_sli4_prep_dev_for_recover(phba);
10621 return PCI_ERS_RESULT_CAN_RECOVER;
10622 case pci_channel_io_frozen:
10623 /* Fatal error, prepare for slot reset */
10624 lpfc_sli4_prep_dev_for_reset(phba);
10625 return PCI_ERS_RESULT_NEED_RESET;
10626 case pci_channel_io_perm_failure:
10627 /* Permanent failure, prepare for device down */
10628 lpfc_sli4_prep_dev_for_perm_failure(phba);
10629 return PCI_ERS_RESULT_DISCONNECT;
10630 default:
10631 /* Unknown state, prepare and request slot reset */
10632 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10633 "2825 Unknown PCI error state: x%x\n", state);
10634 lpfc_sli4_prep_dev_for_reset(phba);
10635 return PCI_ERS_RESULT_NEED_RESET;
10636 }
8d63f375
LV		 10637}
10638
10639/**
da0436e9 10640 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
e59058c4
JS		 10641 * @pdev: pointer to PCI device.
10642 *
da0436e9
JS		 10643 * This routine is called from the PCI subsystem for error handling to device
10644 * with SLI-4 interface spec. It is called after PCI bus has been reset to
10645 * restart the PCI card from scratch, as if from a cold-boot. During the
10646 * PCI subsystem error recovery, after the driver returns
3772a991 10647 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
da0436e9
JS		 10648 * recovery and then call this routine before calling the .resume method to
10649 * recover the device. This function will initialize the HBA device, enable
10650 * the interrupt, but it will just put the HBA to offline state without
10651 * passing any I/O traffic.
8d63f375 10652 *
e59058c4 10653 * Return codes
3772a991
JS		 10654 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10655 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
8d63f375 10656 */
3772a991 10657static pci_ers_result_t
da0436e9 10658lpfc_io_slot_reset_s4(struct pci_dev *pdev)
8d63f375 10659{
75baf696
JS		 10660 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10661 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10662 struct lpfc_sli *psli = &phba->sli;
10663 uint32_t intr_mode;
10664
10665 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
10666 if (pci_enable_device_mem(pdev)) {
10667 printk(KERN_ERR "lpfc: Cannot re-enable "
10668 "PCI device after reset.\n");
10669 return PCI_ERS_RESULT_DISCONNECT;
10670 }
10671
10672 pci_restore_state(pdev);
0a96e975
JS		 10673
10674 /*
10675 * As the new kernel behavior of pci_restore_state() API call clears
10676 * device saved_state flag, need to save the restored state again.
10677 */
10678 pci_save_state(pdev);
10679
75baf696
JS		 10680 if (pdev->is_busmaster)
10681 pci_set_master(pdev);
10682
10683 spin_lock_irq(&phba->hbalock);
10684 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
10685 spin_unlock_irq(&phba->hbalock);
10686
10687 /* Configure and enable interrupt */
10688 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
10689 if (intr_mode == LPFC_INTR_ERROR) {
10690 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10691 "2824 Cannot re-enable interrupt after "
10692 "slot reset.\n");
10693 return PCI_ERS_RESULT_DISCONNECT;
10694 } else
10695 phba->intr_mode = intr_mode;
10696
10697 /* Log the current active interrupt mode */
10698 lpfc_log_intr_mode(phba, phba->intr_mode);
10699
8d63f375
LV		 10700 return PCI_ERS_RESULT_RECOVERED;
10701}
10702
10703/**
da0436e9 10704 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
e59058c4 10705 * @pdev: pointer to PCI device
8d63f375 10706 *
3772a991 10707 * This routine is called from the PCI subsystem for error handling to device
da0436e9 10708 * with SLI-4 interface spec. It is called when kernel error recovery tells
3772a991
JS		 10709 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
10710 * error recovery. After this call, traffic can start to flow from this device
10711 * again.
da0436e9 10712 **/
3772a991 10713static void
da0436e9 10714lpfc_io_resume_s4(struct pci_dev *pdev)
8d63f375 10715{
75baf696
JS		 10716 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10717 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10718
10719 /*
10720 * In case of slot reset, as function reset is performed through
10721 * mailbox command which needs DMA to be enabled, this operation
10722 * has to be moved to the io resume phase. Taking device offline
10723 * will perform the necessary cleanup.
10724 */
10725 if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) {
10726 /* Perform device reset */
618a5230 10727 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
75baf696
JS		 10728 lpfc_offline(phba);
10729 lpfc_sli_brdrestart(phba);
10730 /* Bring the device back online */
10731 lpfc_online(phba);
10732 }
10733
10734 /* Clean up Advanced Error Reporting (AER) if needed */
10735 if (phba->hba_flag & HBA_AER_ENABLED)
10736 pci_cleanup_aer_uncorrect_error_status(pdev);
8d63f375
LV		 10737}
10738
3772a991
JS		 10739/**
10740 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
10741 * @pdev: pointer to PCI device
10742 * @pid: pointer to PCI device identifier
10743 *
10744 * This routine is to be registered to the kernel's PCI subsystem. When an
10745 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
10746 * at PCI device-specific information of the device and driver to see if the
10747 * driver state that it can support this kind of device. If the match is
10748 * successful, the driver core invokes this routine. This routine dispatches
10749 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
10750 * do all the initialization that it needs to do to handle the HBA device
10751 * properly.
10752 *
10753 * Return code
10754 * 0 - driver can claim the device
10755 * negative value - driver can not claim the device
10756 **/
6f039790 10757static int
3772a991
JS		 10758lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
10759{
10760 int rc;
8fa38513 10761 struct lpfc_sli_intf intf;
3772a991 10762
28baac74 10763 if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0))
3772a991
JS		 10764 return -ENODEV;
10765
8fa38513 10766 if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) &&
28baac74 10767 (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4))
da0436e9 10768 rc = lpfc_pci_probe_one_s4(pdev, pid);
8fa38513 10769 else
3772a991 10770 rc = lpfc_pci_probe_one_s3(pdev, pid);
8fa38513 10771
3772a991
JS		 10772 return rc;
10773}
10774
10775/**
10776 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
10777 * @pdev: pointer to PCI device
10778 *
10779 * This routine is to be registered to the kernel's PCI subsystem. When an
10780 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
10781 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
10782 * remove routine, which will perform all the necessary cleanup for the
10783 * device to be removed from the PCI subsystem properly.
10784 **/
6f039790 10785static void
3772a991
JS		 10786lpfc_pci_remove_one(struct pci_dev *pdev)
10787{
10788 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10789 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10790
10791 switch (phba->pci_dev_grp) {
10792 case LPFC_PCI_DEV_LP:
10793 lpfc_pci_remove_one_s3(pdev);
10794 break;
da0436e9
JS		 10795 case LPFC_PCI_DEV_OC:
10796 lpfc_pci_remove_one_s4(pdev);
10797 break;
3772a991
JS		 10798 default:
10799 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10800 "1424 Invalid PCI device group: 0x%x\n",
10801 phba->pci_dev_grp);
10802 break;
10803 }
10804 return;
10805}
10806
10807/**
10808 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
10809 * @pdev: pointer to PCI device
10810 * @msg: power management message
10811 *
10812 * This routine is to be registered to the kernel's PCI subsystem to support
10813 * system Power Management (PM). When PM invokes this method, it dispatches
10814 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
10815 * suspend the device.
10816 *
10817 * Return code
10818 * 0 - driver suspended the device
10819 * Error otherwise
10820 **/
10821static int
10822lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg)
10823{
10824 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10825 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10826 int rc = -ENODEV;
10827
10828 switch (phba->pci_dev_grp) {
10829 case LPFC_PCI_DEV_LP:
10830 rc = lpfc_pci_suspend_one_s3(pdev, msg);
10831 break;
da0436e9
JS		 10832 case LPFC_PCI_DEV_OC:
10833 rc = lpfc_pci_suspend_one_s4(pdev, msg);
10834 break;
3772a991
JS		 10835 default:
10836 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10837 "1425 Invalid PCI device group: 0x%x\n",
10838 phba->pci_dev_grp);
10839 break;
10840 }
10841 return rc;
10842}
10843
10844/**
10845 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
10846 * @pdev: pointer to PCI device
10847 *
10848 * This routine is to be registered to the kernel's PCI subsystem to support
10849 * system Power Management (PM). When PM invokes this method, it dispatches
10850 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
10851 * resume the device.
10852 *
10853 * Return code
10854 * 0 - driver suspended the device
10855 * Error otherwise
10856 **/
10857static int
10858lpfc_pci_resume_one(struct pci_dev *pdev)
10859{
10860 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10861 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10862 int rc = -ENODEV;
10863
10864 switch (phba->pci_dev_grp) {
10865 case LPFC_PCI_DEV_LP:
10866 rc = lpfc_pci_resume_one_s3(pdev);
10867 break;
da0436e9
JS		 10868 case LPFC_PCI_DEV_OC:
10869 rc = lpfc_pci_resume_one_s4(pdev);
10870 break;
3772a991
JS		 10871 default:
10872 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10873 "1426 Invalid PCI device group: 0x%x\n",
10874 phba->pci_dev_grp);
10875 break;
10876 }
10877 return rc;
10878}
10879
10880/**
10881 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
10882 * @pdev: pointer to PCI device.
10883 * @state: the current PCI connection state.
10884 *
10885 * This routine is registered to the PCI subsystem for error handling. This
10886 * function is called by the PCI subsystem after a PCI bus error affecting
10887 * this device has been detected. When this routine is invoked, it dispatches
10888 * the action to the proper SLI-3 or SLI-4 device error detected handling
10889 * routine, which will perform the proper error detected operation.
10890 *
10891 * Return codes
10892 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
10893 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10894 **/
10895static pci_ers_result_t
10896lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
10897{
10898 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10899 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10900 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
10901
10902 switch (phba->pci_dev_grp) {
10903 case LPFC_PCI_DEV_LP:
10904 rc = lpfc_io_error_detected_s3(pdev, state);
10905 break;
da0436e9
JS		 10906 case LPFC_PCI_DEV_OC:
10907 rc = lpfc_io_error_detected_s4(pdev, state);
10908 break;
3772a991
JS		 10909 default:
10910 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10911 "1427 Invalid PCI device group: 0x%x\n",
10912 phba->pci_dev_grp);
10913 break;
10914 }
10915 return rc;
10916}
10917
10918/**
10919 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
10920 * @pdev: pointer to PCI device.
10921 *
10922 * This routine is registered to the PCI subsystem for error handling. This
10923 * function is called after PCI bus has been reset to restart the PCI card
10924 * from scratch, as if from a cold-boot. When this routine is invoked, it
10925 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
10926 * routine, which will perform the proper device reset.
10927 *
10928 * Return codes
10929 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
10930 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
10931 **/
10932static pci_ers_result_t
10933lpfc_io_slot_reset(struct pci_dev *pdev)
10934{
10935 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10936 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10937 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
10938
10939 switch (phba->pci_dev_grp) {
10940 case LPFC_PCI_DEV_LP:
10941 rc = lpfc_io_slot_reset_s3(pdev);
10942 break;
da0436e9
JS		 10943 case LPFC_PCI_DEV_OC:
10944 rc = lpfc_io_slot_reset_s4(pdev);
10945 break;
3772a991
JS		 10946 default:
10947 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10948 "1428 Invalid PCI device group: 0x%x\n",
10949 phba->pci_dev_grp);
10950 break;
10951 }
10952 return rc;
10953}
10954
10955/**
10956 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
10957 * @pdev: pointer to PCI device
10958 *
10959 * This routine is registered to the PCI subsystem for error handling. It
10960 * is called when kernel error recovery tells the lpfc driver that it is
10961 * OK to resume normal PCI operation after PCI bus error recovery. When
10962 * this routine is invoked, it dispatches the action to the proper SLI-3
10963 * or SLI-4 device io_resume routine, which will resume the device operation.
10964 **/
10965static void
10966lpfc_io_resume(struct pci_dev *pdev)
10967{
10968 struct Scsi_Host *shost = pci_get_drvdata(pdev);
10969 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
10970
10971 switch (phba->pci_dev_grp) {
10972 case LPFC_PCI_DEV_LP:
10973 lpfc_io_resume_s3(pdev);
10974 break;
da0436e9
JS		 10975 case LPFC_PCI_DEV_OC:
10976 lpfc_io_resume_s4(pdev);
10977 break;
3772a991
JS		 10978 default:
10979 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10980 "1429 Invalid PCI device group: 0x%x\n",
10981 phba->pci_dev_grp);
10982 break;
10983 }
10984 return;
10985}
10986
1ba981fd
JS		 10987/**
10988 * lpfc_sli4_oas_verify - Verify OAS is supported by this adapter
10989 * @phba: pointer to lpfc hba data structure.
10990 *
10991 * This routine checks to see if OAS is supported for this adapter. If
10992 * supported, the configure Flash Optimized Fabric flag is set. Otherwise,
10993 * the enable oas flag is cleared and the pool created for OAS device data
10994 * is destroyed.
10995 *
10996 **/
10997void
10998lpfc_sli4_oas_verify(struct lpfc_hba *phba)
10999{
11000
11001 if (!phba->cfg_EnableXLane)
11002 return;
11003
11004 if (phba->sli4_hba.pc_sli4_params.oas_supported) {
11005 phba->cfg_fof = 1;
11006 } else {
f38fa0bb 11007 phba->cfg_fof = 0;
1ba981fd
JS		 11008 if (phba->device_data_mem_pool)
11009 mempool_destroy(phba->device_data_mem_pool);
11010 phba->device_data_mem_pool = NULL;
11011 }
11012
11013 return;
11014}
11015
11016/**
11017 * lpfc_fof_queue_setup - Set up all the fof queues
11018 * @phba: pointer to lpfc hba data structure.
11019 *
11020 * This routine is invoked to set up all the fof queues for the FC HBA
11021 * operation.
11022 *
11023 * Return codes
11024 * 0 - successful
11025 * -ENOMEM - No available memory
11026 **/
11027int
11028lpfc_fof_queue_setup(struct lpfc_hba *phba)
11029{
11030 struct lpfc_sli *psli = &phba->sli;
11031 int rc;
11032
11033 rc = lpfc_eq_create(phba, phba->sli4_hba.fof_eq, LPFC_MAX_IMAX);
11034 if (rc)
11035 return -ENOMEM;
11036
f38fa0bb 11037 if (phba->cfg_fof) {
1ba981fd
JS		 11038
11039 rc = lpfc_cq_create(phba, phba->sli4_hba.oas_cq,
11040 phba->sli4_hba.fof_eq, LPFC_WCQ, LPFC_FCP);
11041 if (rc)
11042 goto out_oas_cq;
11043
11044 rc = lpfc_wq_create(phba, phba->sli4_hba.oas_wq,
11045 phba->sli4_hba.oas_cq, LPFC_FCP);
11046 if (rc)
11047 goto out_oas_wq;
11048
11049 phba->sli4_hba.oas_cq->pring = &psli->ring[LPFC_FCP_OAS_RING];
11050 phba->sli4_hba.oas_ring = &psli->ring[LPFC_FCP_OAS_RING];
11051 }
11052
11053 return 0;
11054
11055out_oas_wq:
f38fa0bb 11056 lpfc_cq_destroy(phba, phba->sli4_hba.oas_cq);
1ba981fd
JS		 11057out_oas_cq:
11058 lpfc_eq_destroy(phba, phba->sli4_hba.fof_eq);
11059 return rc;
11060
11061}
11062
11063/**
11064 * lpfc_fof_queue_create - Create all the fof queues
11065 * @phba: pointer to lpfc hba data structure.
11066 *
11067 * This routine is invoked to allocate all the fof queues for the FC HBA
11068 * operation. For each SLI4 queue type, the parameters such as queue entry
11069 * count (queue depth) shall be taken from the module parameter. For now,
11070 * we just use some constant number as place holder.
11071 *
11072 * Return codes
11073 * 0 - successful
11074 * -ENOMEM - No availble memory
11075 * -EIO - The mailbox failed to complete successfully.
11076 **/
11077int
11078lpfc_fof_queue_create(struct lpfc_hba *phba)
11079{
11080 struct lpfc_queue *qdesc;
11081
11082 /* Create FOF EQ */
11083 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
11084 phba->sli4_hba.eq_ecount);
11085 if (!qdesc)
11086 goto out_error;
11087
11088 phba->sli4_hba.fof_eq = qdesc;
11089
f38fa0bb 11090 if (phba->cfg_fof) {
1ba981fd
JS		 11091
11092 /* Create OAS CQ */
11093 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
11094 phba->sli4_hba.cq_ecount);
11095 if (!qdesc)
11096 goto out_error;
11097
11098 phba->sli4_hba.oas_cq = qdesc;
11099
11100 /* Create OAS WQ */
11101 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
11102 phba->sli4_hba.wq_ecount);
11103 if (!qdesc)
11104 goto out_error;
11105
11106 phba->sli4_hba.oas_wq = qdesc;
11107
11108 }
11109 return 0;
11110
11111out_error:
11112 lpfc_fof_queue_destroy(phba);
11113 return -ENOMEM;
11114}
11115
11116/**
11117 * lpfc_fof_queue_destroy - Destroy all the fof queues
11118 * @phba: pointer to lpfc hba data structure.
11119 *
11120 * This routine is invoked to release all the SLI4 queues with the FC HBA
11121 * operation.
11122 *
11123 * Return codes
11124 * 0 - successful
11125 **/
11126int
11127lpfc_fof_queue_destroy(struct lpfc_hba *phba)
11128{
11129 /* Release FOF Event queue */
11130 if (phba->sli4_hba.fof_eq != NULL) {
11131 lpfc_sli4_queue_free(phba->sli4_hba.fof_eq);
11132 phba->sli4_hba.fof_eq = NULL;
11133 }
11134
11135 /* Release OAS Completion queue */
11136 if (phba->sli4_hba.oas_cq != NULL) {
11137 lpfc_sli4_queue_free(phba->sli4_hba.oas_cq);
11138 phba->sli4_hba.oas_cq = NULL;
11139 }
11140
11141 /* Release OAS Work queue */
11142 if (phba->sli4_hba.oas_wq != NULL) {
11143 lpfc_sli4_queue_free(phba->sli4_hba.oas_wq);
11144 phba->sli4_hba.oas_wq = NULL;
11145 }
11146 return 0;
11147}
11148
dea3101e
JB		 11149static struct pci_device_id lpfc_id_table[] = {
11150 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
11151 PCI_ANY_ID, PCI_ANY_ID, },
06325e74
JSEC		 11152 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
11153 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e
JB		 11154 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
11155 PCI_ANY_ID, PCI_ANY_ID, },
11156 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
11157 PCI_ANY_ID, PCI_ANY_ID, },
11158 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
11159 PCI_ANY_ID, PCI_ANY_ID, },
11160 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
11161 PCI_ANY_ID, PCI_ANY_ID, },
11162 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
11163 PCI_ANY_ID, PCI_ANY_ID, },
11164 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
11165 PCI_ANY_ID, PCI_ANY_ID, },
11166 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
11167 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 11168 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
11169 PCI_ANY_ID, PCI_ANY_ID, },
11170 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
11171 PCI_ANY_ID, PCI_ANY_ID, },
11172 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
11173 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e
JB		 11174 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
11175 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 11176 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
11177 PCI_ANY_ID, PCI_ANY_ID, },
11178 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
11179 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e
JB		 11180 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
11181 PCI_ANY_ID, PCI_ANY_ID, },
11182 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
11183 PCI_ANY_ID, PCI_ANY_ID, },
11184 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
11185 PCI_ANY_ID, PCI_ANY_ID, },
84774a4d
JS		 11186 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET,
11187 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 11188 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
11189 PCI_ANY_ID, PCI_ANY_ID, },
11190 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
11191 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e
JB		 11192 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
11193 PCI_ANY_ID, PCI_ANY_ID, },
11194 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
11195 PCI_ANY_ID, PCI_ANY_ID, },
11196 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
11197 PCI_ANY_ID, PCI_ANY_ID, },
11198 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
11199 PCI_ANY_ID, PCI_ANY_ID, },
11200 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
11201 PCI_ANY_ID, PCI_ANY_ID, },
e4adb204
JSEC		 11202 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
11203 PCI_ANY_ID, PCI_ANY_ID, },
11204 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
11205 PCI_ANY_ID, PCI_ANY_ID, },
b87eab38
JS		 11206 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
11207 PCI_ANY_ID, PCI_ANY_ID, },
11208 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
11209 PCI_ANY_ID, PCI_ANY_ID, },
11210 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
11211 PCI_ANY_ID, PCI_ANY_ID, },
11212 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
11213 PCI_ANY_ID, PCI_ANY_ID, },
11214 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
11215 PCI_ANY_ID, PCI_ANY_ID, },
11216 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
11217 PCI_ANY_ID, PCI_ANY_ID, },
84774a4d
JS		 11218 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF,
11219 PCI_ANY_ID, PCI_ANY_ID, },
11220 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF,
11221 PCI_ANY_ID, PCI_ANY_ID, },
11222 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S,
11223 PCI_ANY_ID, PCI_ANY_ID, },
3772a991
JS		 11224 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK,
11225 PCI_ANY_ID, PCI_ANY_ID, },
a747c9ce
JS		 11226 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TOMCAT,
11227 PCI_ANY_ID, PCI_ANY_ID, },
11228 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FALCON,
6669f9bb 11229 PCI_ANY_ID, PCI_ANY_ID, },
98fc5dd9
JS		 11230 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BALIUS,
11231 PCI_ANY_ID, PCI_ANY_ID, },
085c647c
JS		 11232 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC,
11233 PCI_ANY_ID, PCI_ANY_ID, },
11234 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE,
11235 PCI_ANY_ID, PCI_ANY_ID, },
c0c11512
JS		 11236 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC_VF,
11237 PCI_ANY_ID, PCI_ANY_ID, },
11238 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE_VF,
11239 PCI_ANY_ID, PCI_ANY_ID, },
f8cafd38
JS		 11240 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK,
11241 PCI_ANY_ID, PCI_ANY_ID, },
11242 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK_VF,
11243 PCI_ANY_ID, PCI_ANY_ID, },
dea3101e
JB		 11244 { 0 }
11245};
11246
11247MODULE_DEVICE_TABLE(pci, lpfc_id_table);
11248
a55b2d21 11249static const struct pci_error_handlers lpfc_err_handler = {
8d63f375
LV		 11250 .error_detected = lpfc_io_error_detected,
11251 .slot_reset = lpfc_io_slot_reset,
11252 .resume = lpfc_io_resume,
11253};
11254
dea3101e
JB		 11255static struct pci_driver lpfc_driver = {
11256 .name = LPFC_DRIVER_NAME,
11257 .id_table = lpfc_id_table,
11258 .probe = lpfc_pci_probe_one,
6f039790 11259 .remove = lpfc_pci_remove_one,
3a55b532 11260 .suspend = lpfc_pci_suspend_one,
3772a991 11261 .resume = lpfc_pci_resume_one,
2e0fef85 11262 .err_handler = &lpfc_err_handler,
dea3101e
JB		 11263};
11264
3ef6d24c 11265static const struct file_operations lpfc_mgmt_fop = {
858feacd 11266 .owner = THIS_MODULE,
3ef6d24c
JS		 11267};
11268
11269static struct miscdevice lpfc_mgmt_dev = {
11270 .minor = MISC_DYNAMIC_MINOR,
11271 .name = "lpfcmgmt",
11272 .fops = &lpfc_mgmt_fop,
11273};
11274
e59058c4 11275/**
3621a710 11276 * lpfc_init - lpfc module initialization routine
e59058c4
JS		 11277 *
11278 * This routine is to be invoked when the lpfc module is loaded into the
11279 * kernel. The special kernel macro module_init() is used to indicate the
11280 * role of this routine to the kernel as lpfc module entry point.
11281 *
11282 * Return codes
11283 * 0 - successful
11284 * -ENOMEM - FC attach transport failed
11285 * all others - failed
11286 */
dea3101e
JB		 11287static int __init
11288lpfc_init(void)
11289{
7bb03bbf 11290 int cpu;
dea3101e
JB		 11291 int error = 0;
11292
11293 printk(LPFC_MODULE_DESC "\n");
c44ce173 11294 printk(LPFC_COPYRIGHT "\n");
dea3101e 11295
3ef6d24c
JS		 11296 error = misc_register(&lpfc_mgmt_dev);
11297 if (error)
11298 printk(KERN_ERR "Could not register lpfcmgmt device, "
11299 "misc_register returned with status %d", error);
11300
7ee5d43e
JS		 11301 if (lpfc_enable_npiv) {
11302 lpfc_transport_functions.vport_create = lpfc_vport_create;
11303 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
11304 }
dea3101e
JB		 11305 lpfc_transport_template =
11306 fc_attach_transport(&lpfc_transport_functions);
7ee5d43e 11307 if (lpfc_transport_template == NULL)
dea3101e 11308 return -ENOMEM;
7ee5d43e 11309 if (lpfc_enable_npiv) {
7ee5d43e 11310 lpfc_vport_transport_template =
98c9ea5c
JS		 11311 fc_attach_transport(&lpfc_vport_transport_functions);
11312 if (lpfc_vport_transport_template == NULL) {
11313 fc_release_transport(lpfc_transport_template);
7ee5d43e 11314 return -ENOMEM;
98c9ea5c 11315 }
7ee5d43e 11316 }
7bb03bbf
JS		 11317
11318 /* Initialize in case vector mapping is needed */
b246de17
JS		 11319 lpfc_used_cpu = NULL;
11320 lpfc_present_cpu = 0;
11321 for_each_present_cpu(cpu)
11322 lpfc_present_cpu++;
7bb03bbf 11323
dea3101e 11324 error = pci_register_driver(&lpfc_driver);
92d7f7b0 11325 if (error) {
dea3101e 11326 fc_release_transport(lpfc_transport_template);
d7c255b2
JS		 11327 if (lpfc_enable_npiv)
11328 fc_release_transport(lpfc_vport_transport_template);
92d7f7b0 11329 }
dea3101e
JB		 11330
11331 return error;
11332}
11333
e59058c4 11334/**
3621a710 11335 * lpfc_exit - lpfc module removal routine
e59058c4
JS		 11336 *
11337 * This routine is invoked when the lpfc module is removed from the kernel.
11338 * The special kernel macro module_exit() is used to indicate the role of
11339 * this routine to the kernel as lpfc module exit point.
11340 */
dea3101e
JB		 11341static void __exit
11342lpfc_exit(void)
11343{
3ef6d24c 11344 misc_deregister(&lpfc_mgmt_dev);
dea3101e
JB		 11345 pci_unregister_driver(&lpfc_driver);
11346 fc_release_transport(lpfc_transport_template);
7ee5d43e
JS		 11347 if (lpfc_enable_npiv)
11348 fc_release_transport(lpfc_vport_transport_template);
81301a9b 11349 if (_dump_buf_data) {
6a9c52cf
JS		 11350 printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for "
11351 "_dump_buf_data at 0x%p\n",
81301a9b
JS		 11352 (1L << _dump_buf_data_order), _dump_buf_data);
11353 free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order);
11354 }
11355
11356 if (_dump_buf_dif) {
6a9c52cf
JS		 11357 printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for "
11358 "_dump_buf_dif at 0x%p\n",
81301a9b
JS		 11359 (1L << _dump_buf_dif_order), _dump_buf_dif);
11360 free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order);
11361 }
b246de17 11362 kfree(lpfc_used_cpu);
dea3101e
JB		 11363}
11364
11365module_init(lpfc_init);
11366module_exit(lpfc_exit);
11367MODULE_LICENSE("GPL");
11368MODULE_DESCRIPTION(LPFC_MODULE_DESC);
11369MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
11370MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
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