1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2009 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
9 * This program is free software; you can redistribute it and/or *
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. *
20 *******************************************************************/
22 #include <linux/blkdev.h>
23 #include <linux/delay.h>
24 #include <linux/dma-mapping.h>
25 #include <linux/idr.h>
26 #include <linux/interrupt.h>
27 #include <linux/kthread.h>
28 #include <linux/pci.h>
29 #include <linux/spinlock.h>
30 #include <linux/ctype.h>
32 #include <scsi/scsi.h>
33 #include <scsi/scsi_device.h>
34 #include <scsi/scsi_host.h>
35 #include <scsi/scsi_transport_fc.h>
40 #include "lpfc_sli4.h"
42 #include "lpfc_disc.h"
43 #include "lpfc_scsi.h"
45 #include "lpfc_logmsg.h"
46 #include "lpfc_crtn.h"
47 #include "lpfc_vport.h"
48 #include "lpfc_version.h"
51 unsigned long _dump_buf_data_order;
53 unsigned long _dump_buf_dif_order;
54 spinlock_t _dump_buf_lock;
56 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
57 static int lpfc_post_rcv_buf(struct lpfc_hba *);
58 static int lpfc_sli4_queue_create(struct lpfc_hba *);
59 static void lpfc_sli4_queue_destroy(struct lpfc_hba *);
60 static int lpfc_create_bootstrap_mbox(struct lpfc_hba *);
61 static int lpfc_setup_endian_order(struct lpfc_hba *);
62 static int lpfc_sli4_read_config(struct lpfc_hba *);
63 static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *);
64 static void lpfc_free_sgl_list(struct lpfc_hba *);
65 static int lpfc_init_sgl_list(struct lpfc_hba *);
66 static int lpfc_init_active_sgl_array(struct lpfc_hba *);
67 static void lpfc_free_active_sgl(struct lpfc_hba *);
68 static int lpfc_hba_down_post_s3(struct lpfc_hba *phba);
69 static int lpfc_hba_down_post_s4(struct lpfc_hba *phba);
70 static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *);
71 static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *);
72 static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *);
74 static struct scsi_transport_template *lpfc_transport_template = NULL;
75 static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
76 static DEFINE_IDR(lpfc_hba_index);
79 * lpfc_config_port_prep - Perform lpfc initialization prior to config port
80 * @phba: pointer to lpfc hba data structure.
82 * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
83 * mailbox command. It retrieves the revision information from the HBA and
84 * collects the Vital Product Data (VPD) about the HBA for preparing the
85 * configuration of the HBA.
89 * -ERESTART - requests the SLI layer to reset the HBA and try again.
90 * Any other value - indicates an error.
93 lpfc_config_port_prep(struct lpfc_hba *phba)
95 lpfc_vpd_t *vp = &phba->vpd;
99 char *lpfc_vpd_data = NULL;
101 static char licensed[56] =
102 "key unlock for use with gnu public licensed code only\0";
103 static int init_key = 1;
105 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
107 phba->link_state = LPFC_HBA_ERROR;
112 phba->link_state = LPFC_INIT_MBX_CMDS;
114 if (lpfc_is_LC_HBA(phba->pcidev->device)) {
116 uint32_t *ptext = (uint32_t *) licensed;
118 for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
119 *ptext = cpu_to_be32(*ptext);
123 lpfc_read_nv(phba, pmb);
124 memset((char*)mb->un.varRDnvp.rsvd3, 0,
125 sizeof (mb->un.varRDnvp.rsvd3));
126 memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
129 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
131 if (rc != MBX_SUCCESS) {
132 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
133 "0324 Config Port initialization "
134 "error, mbxCmd x%x READ_NVPARM, "
136 mb->mbxCommand, mb->mbxStatus);
137 mempool_free(pmb, phba->mbox_mem_pool);
140 memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
142 memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname,
146 phba->sli3_options = 0x0;
148 /* Setup and issue mailbox READ REV command */
149 lpfc_read_rev(phba, pmb);
150 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
151 if (rc != MBX_SUCCESS) {
152 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
153 "0439 Adapter failed to init, mbxCmd x%x "
154 "READ_REV, mbxStatus x%x\n",
155 mb->mbxCommand, mb->mbxStatus);
156 mempool_free( pmb, phba->mbox_mem_pool);
162 * The value of rr must be 1 since the driver set the cv field to 1.
163 * This setting requires the FW to set all revision fields.
165 if (mb->un.varRdRev.rr == 0) {
167 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
168 "0440 Adapter failed to init, READ_REV has "
169 "missing revision information.\n");
170 mempool_free(pmb, phba->mbox_mem_pool);
174 if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) {
175 mempool_free(pmb, phba->mbox_mem_pool);
179 /* Save information as VPD data */
181 memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t));
182 vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
183 memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
184 vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
185 memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
186 vp->rev.biuRev = mb->un.varRdRev.biuRev;
187 vp->rev.smRev = mb->un.varRdRev.smRev;
188 vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
189 vp->rev.endecRev = mb->un.varRdRev.endecRev;
190 vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
191 vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
192 vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
193 vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
194 vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
195 vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
197 /* If the sli feature level is less then 9, we must
198 * tear down all RPIs and VPIs on link down if NPIV
201 if (vp->rev.feaLevelHigh < 9)
202 phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN;
204 if (lpfc_is_LC_HBA(phba->pcidev->device))
205 memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
206 sizeof (phba->RandomData));
208 /* Get adapter VPD information */
209 lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
214 lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD);
215 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
217 if (rc != MBX_SUCCESS) {
218 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
219 "0441 VPD not present on adapter, "
220 "mbxCmd x%x DUMP VPD, mbxStatus x%x\n",
221 mb->mbxCommand, mb->mbxStatus);
222 mb->un.varDmp.word_cnt = 0;
224 /* dump mem may return a zero when finished or we got a
225 * mailbox error, either way we are done.
227 if (mb->un.varDmp.word_cnt == 0)
229 if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
230 mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
231 lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
232 lpfc_vpd_data + offset,
233 mb->un.varDmp.word_cnt);
234 offset += mb->un.varDmp.word_cnt;
235 } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
236 lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
238 kfree(lpfc_vpd_data);
240 mempool_free(pmb, phba->mbox_mem_pool);
245 * lpfc_config_async_cmpl - Completion handler for config async event mbox cmd
246 * @phba: pointer to lpfc hba data structure.
247 * @pmboxq: pointer to the driver internal queue element for mailbox command.
249 * This is the completion handler for driver's configuring asynchronous event
250 * mailbox command to the device. If the mailbox command returns successfully,
251 * it will set internal async event support flag to 1; otherwise, it will
252 * set internal async event support flag to 0.
255 lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
257 if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS)
258 phba->temp_sensor_support = 1;
260 phba->temp_sensor_support = 0;
261 mempool_free(pmboxq, phba->mbox_mem_pool);
266 * lpfc_dump_wakeup_param_cmpl - dump memory mailbox command completion handler
267 * @phba: pointer to lpfc hba data structure.
268 * @pmboxq: pointer to the driver internal queue element for mailbox command.
270 * This is the completion handler for dump mailbox command for getting
271 * wake up parameters. When this command complete, the response contain
272 * Option rom version of the HBA. This function translate the version number
273 * into a human readable string and store it in OptionROMVersion.
276 lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
279 uint32_t prog_id_word;
281 /* character array used for decoding dist type. */
282 char dist_char[] = "nabx";
284 if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) {
285 mempool_free(pmboxq, phba->mbox_mem_pool);
289 prg = (struct prog_id *) &prog_id_word;
291 /* word 7 contain option rom version */
292 prog_id_word = pmboxq->u.mb.un.varWords[7];
294 /* Decode the Option rom version word to a readable string */
296 dist = dist_char[prg->dist];
298 if ((prg->dist == 3) && (prg->num == 0))
299 sprintf(phba->OptionROMVersion, "%d.%d%d",
300 prg->ver, prg->rev, prg->lev);
302 sprintf(phba->OptionROMVersion, "%d.%d%d%c%d",
303 prg->ver, prg->rev, prg->lev,
305 mempool_free(pmboxq, phba->mbox_mem_pool);
310 * lpfc_config_port_post - Perform lpfc initialization after config port
311 * @phba: pointer to lpfc hba data structure.
313 * This routine will do LPFC initialization after the CONFIG_PORT mailbox
314 * command call. It performs all internal resource and state setups on the
315 * port: post IOCB buffers, enable appropriate host interrupt attentions,
316 * ELS ring timers, etc.
320 * Any other value - error.
323 lpfc_config_port_post(struct lpfc_hba *phba)
325 struct lpfc_vport *vport = phba->pport;
326 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
329 struct lpfc_dmabuf *mp;
330 struct lpfc_sli *psli = &phba->sli;
331 uint32_t status, timeout;
335 spin_lock_irq(&phba->hbalock);
337 * If the Config port completed correctly the HBA is not
338 * over heated any more.
340 if (phba->over_temp_state == HBA_OVER_TEMP)
341 phba->over_temp_state = HBA_NORMAL_TEMP;
342 spin_unlock_irq(&phba->hbalock);
344 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
346 phba->link_state = LPFC_HBA_ERROR;
351 /* Get login parameters for NID. */
352 lpfc_read_sparam(phba, pmb, 0);
354 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
355 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
356 "0448 Adapter failed init, mbxCmd x%x "
357 "READ_SPARM mbxStatus x%x\n",
358 mb->mbxCommand, mb->mbxStatus);
359 phba->link_state = LPFC_HBA_ERROR;
360 mp = (struct lpfc_dmabuf *) pmb->context1;
361 mempool_free( pmb, phba->mbox_mem_pool);
362 lpfc_mbuf_free(phba, mp->virt, mp->phys);
367 mp = (struct lpfc_dmabuf *) pmb->context1;
369 memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
370 lpfc_mbuf_free(phba, mp->virt, mp->phys);
372 pmb->context1 = NULL;
374 if (phba->cfg_soft_wwnn)
375 u64_to_wwn(phba->cfg_soft_wwnn,
376 vport->fc_sparam.nodeName.u.wwn);
377 if (phba->cfg_soft_wwpn)
378 u64_to_wwn(phba->cfg_soft_wwpn,
379 vport->fc_sparam.portName.u.wwn);
380 memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
381 sizeof (struct lpfc_name));
382 memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
383 sizeof (struct lpfc_name));
385 /* Update the fc_host data structures with new wwn. */
386 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
387 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
388 fc_host_max_npiv_vports(shost) = phba->max_vpi;
390 /* If no serial number in VPD data, use low 6 bytes of WWNN */
391 /* This should be consolidated into parse_vpd ? - mr */
392 if (phba->SerialNumber[0] == 0) {
395 outptr = &vport->fc_nodename.u.s.IEEE[0];
396 for (i = 0; i < 12; i++) {
398 j = ((status & 0xf0) >> 4);
400 phba->SerialNumber[i] =
401 (char)((uint8_t) 0x30 + (uint8_t) j);
403 phba->SerialNumber[i] =
404 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
408 phba->SerialNumber[i] =
409 (char)((uint8_t) 0x30 + (uint8_t) j);
411 phba->SerialNumber[i] =
412 (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
416 lpfc_read_config(phba, pmb);
418 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
419 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
420 "0453 Adapter failed to init, mbxCmd x%x "
421 "READ_CONFIG, mbxStatus x%x\n",
422 mb->mbxCommand, mb->mbxStatus);
423 phba->link_state = LPFC_HBA_ERROR;
424 mempool_free( pmb, phba->mbox_mem_pool);
428 /* Check if the port is disabled */
429 lpfc_sli_read_link_ste(phba);
431 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
432 if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
433 phba->cfg_hba_queue_depth =
434 (mb->un.varRdConfig.max_xri + 1) -
435 lpfc_sli4_get_els_iocb_cnt(phba);
437 phba->lmt = mb->un.varRdConfig.lmt;
439 /* Get the default values for Model Name and Description */
440 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
442 if ((phba->cfg_link_speed > LINK_SPEED_10G)
443 || ((phba->cfg_link_speed == LINK_SPEED_1G)
444 && !(phba->lmt & LMT_1Gb))
445 || ((phba->cfg_link_speed == LINK_SPEED_2G)
446 && !(phba->lmt & LMT_2Gb))
447 || ((phba->cfg_link_speed == LINK_SPEED_4G)
448 && !(phba->lmt & LMT_4Gb))
449 || ((phba->cfg_link_speed == LINK_SPEED_8G)
450 && !(phba->lmt & LMT_8Gb))
451 || ((phba->cfg_link_speed == LINK_SPEED_10G)
452 && !(phba->lmt & LMT_10Gb))) {
453 /* Reset link speed to auto */
454 lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT,
455 "1302 Invalid speed for this board: "
456 "Reset link speed to auto: x%x\n",
457 phba->cfg_link_speed);
458 phba->cfg_link_speed = LINK_SPEED_AUTO;
461 phba->link_state = LPFC_LINK_DOWN;
463 /* Only process IOCBs on ELS ring till hba_state is READY */
464 if (psli->ring[psli->extra_ring].cmdringaddr)
465 psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT;
466 if (psli->ring[psli->fcp_ring].cmdringaddr)
467 psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
468 if (psli->ring[psli->next_ring].cmdringaddr)
469 psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
471 /* Post receive buffers for desired rings */
472 if (phba->sli_rev != 3)
473 lpfc_post_rcv_buf(phba);
476 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
478 if (phba->intr_type == MSIX) {
479 rc = lpfc_config_msi(phba, pmb);
481 mempool_free(pmb, phba->mbox_mem_pool);
484 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
485 if (rc != MBX_SUCCESS) {
486 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
487 "0352 Config MSI mailbox command "
488 "failed, mbxCmd x%x, mbxStatus x%x\n",
489 pmb->u.mb.mbxCommand,
490 pmb->u.mb.mbxStatus);
491 mempool_free(pmb, phba->mbox_mem_pool);
496 spin_lock_irq(&phba->hbalock);
497 /* Initialize ERATT handling flag */
498 phba->hba_flag &= ~HBA_ERATT_HANDLED;
500 /* Enable appropriate host interrupts */
501 status = readl(phba->HCregaddr);
502 status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;
503 if (psli->num_rings > 0)
504 status |= HC_R0INT_ENA;
505 if (psli->num_rings > 1)
506 status |= HC_R1INT_ENA;
507 if (psli->num_rings > 2)
508 status |= HC_R2INT_ENA;
509 if (psli->num_rings > 3)
510 status |= HC_R3INT_ENA;
512 if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
513 (phba->cfg_poll & DISABLE_FCP_RING_INT))
514 status &= ~(HC_R0INT_ENA);
516 writel(status, phba->HCregaddr);
517 readl(phba->HCregaddr); /* flush */
518 spin_unlock_irq(&phba->hbalock);
520 /* Set up ring-0 (ELS) timer */
521 timeout = phba->fc_ratov * 2;
522 mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
523 /* Set up heart beat (HB) timer */
524 mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
525 phba->hb_outstanding = 0;
526 phba->last_completion_time = jiffies;
527 /* Set up error attention (ERATT) polling timer */
528 mod_timer(&phba->eratt_poll, jiffies + HZ * LPFC_ERATT_POLL_INTERVAL);
530 if (phba->hba_flag & LINK_DISABLED) {
531 lpfc_printf_log(phba,
533 "2598 Adapter Link is disabled.\n");
534 lpfc_down_link(phba, pmb);
535 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
536 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
537 if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
538 lpfc_printf_log(phba,
540 "2599 Adapter failed to issue DOWN_LINK"
541 " mbox command rc 0x%x\n", rc);
543 mempool_free(pmb, phba->mbox_mem_pool);
547 lpfc_init_link(phba, pmb, phba->cfg_topology,
548 phba->cfg_link_speed);
549 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
550 lpfc_set_loopback_flag(phba);
551 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
552 if (rc != MBX_SUCCESS) {
553 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
554 "0454 Adapter failed to init, mbxCmd x%x "
555 "INIT_LINK, mbxStatus x%x\n",
556 mb->mbxCommand, mb->mbxStatus);
558 /* Clear all interrupt enable conditions */
559 writel(0, phba->HCregaddr);
560 readl(phba->HCregaddr); /* flush */
561 /* Clear all pending interrupts */
562 writel(0xffffffff, phba->HAregaddr);
563 readl(phba->HAregaddr); /* flush */
565 phba->link_state = LPFC_HBA_ERROR;
567 mempool_free(pmb, phba->mbox_mem_pool);
571 /* MBOX buffer will be freed in mbox compl */
572 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
573 lpfc_config_async(phba, pmb, LPFC_ELS_RING);
574 pmb->mbox_cmpl = lpfc_config_async_cmpl;
575 pmb->vport = phba->pport;
576 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
578 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
579 lpfc_printf_log(phba,
582 "0456 Adapter failed to issue "
583 "ASYNCEVT_ENABLE mbox status x%x\n",
585 mempool_free(pmb, phba->mbox_mem_pool);
588 /* Get Option rom version */
589 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
590 lpfc_dump_wakeup_param(phba, pmb);
591 pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl;
592 pmb->vport = phba->pport;
593 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
595 if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) {
596 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed "
597 "to get Option ROM version status x%x\n", rc);
598 mempool_free(pmb, phba->mbox_mem_pool);
605 * lpfc_hba_down_prep - Perform lpfc uninitialization prior to HBA reset
606 * @phba: pointer to lpfc HBA data structure.
608 * This routine will do LPFC uninitialization before the HBA is reset when
609 * bringing down the SLI Layer.
613 * Any other value - error.
616 lpfc_hba_down_prep(struct lpfc_hba *phba)
618 struct lpfc_vport **vports;
621 if (phba->sli_rev <= LPFC_SLI_REV3) {
622 /* Disable interrupts */
623 writel(0, phba->HCregaddr);
624 readl(phba->HCregaddr); /* flush */
627 if (phba->pport->load_flag & FC_UNLOADING)
628 lpfc_cleanup_discovery_resources(phba->pport);
630 vports = lpfc_create_vport_work_array(phba);
632 for (i = 0; i <= phba->max_vports &&
633 vports[i] != NULL; i++)
634 lpfc_cleanup_discovery_resources(vports[i]);
635 lpfc_destroy_vport_work_array(phba, vports);
641 * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset
642 * @phba: pointer to lpfc HBA data structure.
644 * This routine will do uninitialization after the HBA is reset when bring
645 * down the SLI Layer.
649 * Any other value - error.
652 lpfc_hba_down_post_s3(struct lpfc_hba *phba)
654 struct lpfc_sli *psli = &phba->sli;
655 struct lpfc_sli_ring *pring;
656 struct lpfc_dmabuf *mp, *next_mp;
657 LIST_HEAD(completions);
660 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
661 lpfc_sli_hbqbuf_free_all(phba);
663 /* Cleanup preposted buffers on the ELS ring */
664 pring = &psli->ring[LPFC_ELS_RING];
665 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
667 pring->postbufq_cnt--;
668 lpfc_mbuf_free(phba, mp->virt, mp->phys);
673 spin_lock_irq(&phba->hbalock);
674 for (i = 0; i < psli->num_rings; i++) {
675 pring = &psli->ring[i];
677 /* At this point in time the HBA is either reset or DOA. Either
678 * way, nothing should be on txcmplq as it will NEVER complete.
680 list_splice_init(&pring->txcmplq, &completions);
681 pring->txcmplq_cnt = 0;
682 spin_unlock_irq(&phba->hbalock);
684 /* Cancel all the IOCBs from the completions list */
685 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
688 lpfc_sli_abort_iocb_ring(phba, pring);
689 spin_lock_irq(&phba->hbalock);
691 spin_unlock_irq(&phba->hbalock);
696 * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
697 * @phba: pointer to lpfc HBA data structure.
699 * This routine will do uninitialization after the HBA is reset when bring
700 * down the SLI Layer.
704 * Any other value - error.
707 lpfc_hba_down_post_s4(struct lpfc_hba *phba)
709 struct lpfc_scsi_buf *psb, *psb_next;
712 unsigned long iflag = 0;
713 ret = lpfc_hba_down_post_s3(phba);
716 /* At this point in time the HBA is either reset or DOA. Either
717 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
718 * on the lpfc_sgl_list so that it can either be freed if the
719 * driver is unloading or reposted if the driver is restarting
722 spin_lock_irq(&phba->hbalock); /* required for lpfc_sgl_list and */
724 /* abts_sgl_list_lock required because worker thread uses this
727 spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
728 list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list,
729 &phba->sli4_hba.lpfc_sgl_list);
730 spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
731 /* abts_scsi_buf_list_lock required because worker thread uses this
734 spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
735 list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list,
737 spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
738 spin_unlock_irq(&phba->hbalock);
740 list_for_each_entry_safe(psb, psb_next, &aborts, list) {
742 psb->status = IOSTAT_SUCCESS;
744 spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag);
745 list_splice(&aborts, &phba->lpfc_scsi_buf_list);
746 spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag);
751 * lpfc_hba_down_post - Wrapper func for hba down post routine
752 * @phba: pointer to lpfc HBA data structure.
754 * This routine wraps the actual SLI3 or SLI4 routine for performing
755 * uninitialization after the HBA is reset when bring down the SLI Layer.
759 * Any other value - error.
762 lpfc_hba_down_post(struct lpfc_hba *phba)
764 return (*phba->lpfc_hba_down_post)(phba);
768 * lpfc_hb_timeout - The HBA-timer timeout handler
769 * @ptr: unsigned long holds the pointer to lpfc hba data structure.
771 * This is the HBA-timer timeout handler registered to the lpfc driver. When
772 * this timer fires, a HBA timeout event shall be posted to the lpfc driver
773 * work-port-events bitmap and the worker thread is notified. This timeout
774 * event will be used by the worker thread to invoke the actual timeout
775 * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
776 * be performed in the timeout handler and the HBA timeout event bit shall
777 * be cleared by the worker thread after it has taken the event bitmap out.
780 lpfc_hb_timeout(unsigned long ptr)
782 struct lpfc_hba *phba;
786 phba = (struct lpfc_hba *)ptr;
788 /* Check for heart beat timeout conditions */
789 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
790 tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO;
792 phba->pport->work_port_events |= WORKER_HB_TMO;
793 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
795 /* Tell the worker thread there is work to do */
797 lpfc_worker_wake_up(phba);
802 * lpfc_hb_mbox_cmpl - The lpfc heart-beat mailbox command callback function
803 * @phba: pointer to lpfc hba data structure.
804 * @pmboxq: pointer to the driver internal queue element for mailbox command.
806 * This is the callback function to the lpfc heart-beat mailbox command.
807 * If configured, the lpfc driver issues the heart-beat mailbox command to
808 * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
809 * heart-beat mailbox command is issued, the driver shall set up heart-beat
810 * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
811 * heart-beat outstanding state. Once the mailbox command comes back and
812 * no error conditions detected, the heart-beat mailbox command timer is
813 * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
814 * state is cleared for the next heart-beat. If the timer expired with the
815 * heart-beat outstanding state set, the driver will put the HBA offline.
818 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
820 unsigned long drvr_flag;
822 spin_lock_irqsave(&phba->hbalock, drvr_flag);
823 phba->hb_outstanding = 0;
824 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
826 /* Check and reset heart-beat timer is necessary */
827 mempool_free(pmboxq, phba->mbox_mem_pool);
828 if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
829 !(phba->link_state == LPFC_HBA_ERROR) &&
830 !(phba->pport->load_flag & FC_UNLOADING))
831 mod_timer(&phba->hb_tmofunc,
832 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
837 * lpfc_hb_timeout_handler - The HBA-timer timeout handler
838 * @phba: pointer to lpfc hba data structure.
840 * This is the actual HBA-timer timeout handler to be invoked by the worker
841 * thread whenever the HBA timer fired and HBA-timeout event posted. This
842 * handler performs any periodic operations needed for the device. If such
843 * periodic event has already been attended to either in the interrupt handler
844 * or by processing slow-ring or fast-ring events within the HBA-timer
845 * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
846 * the timer for the next timeout period. If lpfc heart-beat mailbox command
847 * is configured and there is no heart-beat mailbox command outstanding, a
848 * heart-beat mailbox is issued and timer set properly. Otherwise, if there
849 * has been a heart-beat mailbox command outstanding, the HBA shall be put
853 lpfc_hb_timeout_handler(struct lpfc_hba *phba)
855 LPFC_MBOXQ_t *pmboxq;
856 struct lpfc_dmabuf *buf_ptr;
858 struct lpfc_sli *psli = &phba->sli;
859 LIST_HEAD(completions);
861 if ((phba->link_state == LPFC_HBA_ERROR) ||
862 (phba->pport->load_flag & FC_UNLOADING) ||
863 (phba->pport->fc_flag & FC_OFFLINE_MODE))
866 spin_lock_irq(&phba->pport->work_port_lock);
868 if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ,
870 spin_unlock_irq(&phba->pport->work_port_lock);
871 if (!phba->hb_outstanding)
872 mod_timer(&phba->hb_tmofunc,
873 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
875 mod_timer(&phba->hb_tmofunc,
876 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
879 spin_unlock_irq(&phba->pport->work_port_lock);
881 if (phba->elsbuf_cnt &&
882 (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) {
883 spin_lock_irq(&phba->hbalock);
884 list_splice_init(&phba->elsbuf, &completions);
885 phba->elsbuf_cnt = 0;
886 phba->elsbuf_prev_cnt = 0;
887 spin_unlock_irq(&phba->hbalock);
889 while (!list_empty(&completions)) {
890 list_remove_head(&completions, buf_ptr,
891 struct lpfc_dmabuf, list);
892 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
896 phba->elsbuf_prev_cnt = phba->elsbuf_cnt;
898 /* If there is no heart beat outstanding, issue a heartbeat command */
899 if (phba->cfg_enable_hba_heartbeat) {
900 if (!phba->hb_outstanding) {
901 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
903 mod_timer(&phba->hb_tmofunc,
904 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
908 lpfc_heart_beat(phba, pmboxq);
909 pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl;
910 pmboxq->vport = phba->pport;
911 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
913 if (retval != MBX_BUSY && retval != MBX_SUCCESS) {
914 mempool_free(pmboxq, phba->mbox_mem_pool);
915 mod_timer(&phba->hb_tmofunc,
916 jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
919 mod_timer(&phba->hb_tmofunc,
920 jiffies + HZ * LPFC_HB_MBOX_TIMEOUT);
921 phba->hb_outstanding = 1;
925 * If heart beat timeout called with hb_outstanding set
926 * we need to take the HBA offline.
928 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
929 "0459 Adapter heartbeat failure, "
930 "taking this port offline.\n");
932 spin_lock_irq(&phba->hbalock);
933 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
934 spin_unlock_irq(&phba->hbalock);
936 lpfc_offline_prep(phba);
938 lpfc_unblock_mgmt_io(phba);
939 phba->link_state = LPFC_HBA_ERROR;
940 lpfc_hba_down_post(phba);
946 * lpfc_offline_eratt - Bring lpfc offline on hardware error attention
947 * @phba: pointer to lpfc hba data structure.
949 * This routine is called to bring the HBA offline when HBA hardware error
950 * other than Port Error 6 has been detected.
953 lpfc_offline_eratt(struct lpfc_hba *phba)
955 struct lpfc_sli *psli = &phba->sli;
957 spin_lock_irq(&phba->hbalock);
958 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
959 spin_unlock_irq(&phba->hbalock);
960 lpfc_offline_prep(phba);
963 lpfc_reset_barrier(phba);
964 spin_lock_irq(&phba->hbalock);
965 lpfc_sli_brdreset(phba);
966 spin_unlock_irq(&phba->hbalock);
967 lpfc_hba_down_post(phba);
968 lpfc_sli_brdready(phba, HS_MBRDY);
969 lpfc_unblock_mgmt_io(phba);
970 phba->link_state = LPFC_HBA_ERROR;
975 * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
976 * @phba: pointer to lpfc hba data structure.
978 * This routine is called to bring a SLI4 HBA offline when HBA hardware error
979 * other than Port Error 6 has been detected.
982 lpfc_sli4_offline_eratt(struct lpfc_hba *phba)
984 lpfc_offline_prep(phba);
986 lpfc_sli4_brdreset(phba);
987 lpfc_hba_down_post(phba);
988 lpfc_sli4_post_status_check(phba);
989 lpfc_unblock_mgmt_io(phba);
990 phba->link_state = LPFC_HBA_ERROR;
994 * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
995 * @phba: pointer to lpfc hba data structure.
997 * This routine is invoked to handle the deferred HBA hardware error
998 * conditions. This type of error is indicated by HBA by setting ER1
999 * and another ER bit in the host status register. The driver will
1000 * wait until the ER1 bit clears before handling the error condition.
1003 lpfc_handle_deferred_eratt(struct lpfc_hba *phba)
1005 uint32_t old_host_status = phba->work_hs;
1006 struct lpfc_sli_ring *pring;
1007 struct lpfc_sli *psli = &phba->sli;
1009 /* If the pci channel is offline, ignore possible errors,
1010 * since we cannot communicate with the pci card anyway.
1012 if (pci_channel_offline(phba->pcidev)) {
1013 spin_lock_irq(&phba->hbalock);
1014 phba->hba_flag &= ~DEFER_ERATT;
1015 spin_unlock_irq(&phba->hbalock);
1019 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1020 "0479 Deferred Adapter Hardware Error "
1021 "Data: x%x x%x x%x\n",
1023 phba->work_status[0], phba->work_status[1]);
1025 spin_lock_irq(&phba->hbalock);
1026 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
1027 spin_unlock_irq(&phba->hbalock);
1031 * Firmware stops when it triggred erratt. That could cause the I/Os
1032 * dropped by the firmware. Error iocb (I/O) on txcmplq and let the
1033 * SCSI layer retry it after re-establishing link.
1035 pring = &psli->ring[psli->fcp_ring];
1036 lpfc_sli_abort_iocb_ring(phba, pring);
1039 * There was a firmware error. Take the hba offline and then
1040 * attempt to restart it.
1042 lpfc_offline_prep(phba);
1045 /* Wait for the ER1 bit to clear.*/
1046 while (phba->work_hs & HS_FFER1) {
1048 phba->work_hs = readl(phba->HSregaddr);
1049 /* If driver is unloading let the worker thread continue */
1050 if (phba->pport->load_flag & FC_UNLOADING) {
1057 * This is to ptrotect against a race condition in which
1058 * first write to the host attention register clear the
1059 * host status register.
1061 if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING)))
1062 phba->work_hs = old_host_status & ~HS_FFER1;
1064 spin_lock_irq(&phba->hbalock);
1065 phba->hba_flag &= ~DEFER_ERATT;
1066 spin_unlock_irq(&phba->hbalock);
1067 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
1068 phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
1072 lpfc_board_errevt_to_mgmt(struct lpfc_hba *phba)
1074 struct lpfc_board_event_header board_event;
1075 struct Scsi_Host *shost;
1077 board_event.event_type = FC_REG_BOARD_EVENT;
1078 board_event.subcategory = LPFC_EVENT_PORTINTERR;
1079 shost = lpfc_shost_from_vport(phba->pport);
1080 fc_host_post_vendor_event(shost, fc_get_event_number(),
1081 sizeof(board_event),
1082 (char *) &board_event,
1087 * lpfc_handle_eratt_s3 - The SLI3 HBA hardware error handler
1088 * @phba: pointer to lpfc hba data structure.
1090 * This routine is invoked to handle the following HBA hardware error
1092 * 1 - HBA error attention interrupt
1093 * 2 - DMA ring index out of range
1094 * 3 - Mailbox command came back as unknown
1097 lpfc_handle_eratt_s3(struct lpfc_hba *phba)
1099 struct lpfc_vport *vport = phba->pport;
1100 struct lpfc_sli *psli = &phba->sli;
1101 struct lpfc_sli_ring *pring;
1102 uint32_t event_data;
1103 unsigned long temperature;
1104 struct temp_event temp_event_data;
1105 struct Scsi_Host *shost;
1107 /* If the pci channel is offline, ignore possible errors,
1108 * since we cannot communicate with the pci card anyway.
1110 if (pci_channel_offline(phba->pcidev)) {
1111 spin_lock_irq(&phba->hbalock);
1112 phba->hba_flag &= ~DEFER_ERATT;
1113 spin_unlock_irq(&phba->hbalock);
1117 /* If resets are disabled then leave the HBA alone and return */
1118 if (!phba->cfg_enable_hba_reset)
1121 /* Send an internal error event to mgmt application */
1122 lpfc_board_errevt_to_mgmt(phba);
1124 if (phba->hba_flag & DEFER_ERATT)
1125 lpfc_handle_deferred_eratt(phba);
1127 if (phba->work_hs & HS_FFER6) {
1128 /* Re-establishing Link */
1129 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
1130 "1301 Re-establishing Link "
1131 "Data: x%x x%x x%x\n",
1133 phba->work_status[0], phba->work_status[1]);
1135 spin_lock_irq(&phba->hbalock);
1136 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
1137 spin_unlock_irq(&phba->hbalock);
1140 * Firmware stops when it triggled erratt with HS_FFER6.
1141 * That could cause the I/Os dropped by the firmware.
1142 * Error iocb (I/O) on txcmplq and let the SCSI layer
1143 * retry it after re-establishing link.
1145 pring = &psli->ring[psli->fcp_ring];
1146 lpfc_sli_abort_iocb_ring(phba, pring);
1149 * There was a firmware error. Take the hba offline and then
1150 * attempt to restart it.
1152 lpfc_offline_prep(phba);
1154 lpfc_sli_brdrestart(phba);
1155 if (lpfc_online(phba) == 0) { /* Initialize the HBA */
1156 lpfc_unblock_mgmt_io(phba);
1159 lpfc_unblock_mgmt_io(phba);
1160 } else if (phba->work_hs & HS_CRIT_TEMP) {
1161 temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET);
1162 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
1163 temp_event_data.event_code = LPFC_CRIT_TEMP;
1164 temp_event_data.data = (uint32_t)temperature;
1166 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1167 "0406 Adapter maximum temperature exceeded "
1168 "(%ld), taking this port offline "
1169 "Data: x%x x%x x%x\n",
1170 temperature, phba->work_hs,
1171 phba->work_status[0], phba->work_status[1]);
1173 shost = lpfc_shost_from_vport(phba->pport);
1174 fc_host_post_vendor_event(shost, fc_get_event_number(),
1175 sizeof(temp_event_data),
1176 (char *) &temp_event_data,
1177 SCSI_NL_VID_TYPE_PCI
1178 | PCI_VENDOR_ID_EMULEX);
1180 spin_lock_irq(&phba->hbalock);
1181 phba->over_temp_state = HBA_OVER_TEMP;
1182 spin_unlock_irq(&phba->hbalock);
1183 lpfc_offline_eratt(phba);
1186 /* The if clause above forces this code path when the status
1187 * failure is a value other than FFER6. Do not call the offline
1188 * twice. This is the adapter hardware error path.
1190 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1191 "0457 Adapter Hardware Error "
1192 "Data: x%x x%x x%x\n",
1194 phba->work_status[0], phba->work_status[1]);
1196 event_data = FC_REG_DUMP_EVENT;
1197 shost = lpfc_shost_from_vport(vport);
1198 fc_host_post_vendor_event(shost, fc_get_event_number(),
1199 sizeof(event_data), (char *) &event_data,
1200 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
1202 lpfc_offline_eratt(phba);
1208 * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
1209 * @phba: pointer to lpfc hba data structure.
1211 * This routine is invoked to handle the SLI4 HBA hardware error attention
1215 lpfc_handle_eratt_s4(struct lpfc_hba *phba)
1217 struct lpfc_vport *vport = phba->pport;
1218 uint32_t event_data;
1219 struct Scsi_Host *shost;
1221 /* If the pci channel is offline, ignore possible errors, since
1222 * we cannot communicate with the pci card anyway.
1224 if (pci_channel_offline(phba->pcidev))
1226 /* If resets are disabled then leave the HBA alone and return */
1227 if (!phba->cfg_enable_hba_reset)
1230 /* Send an internal error event to mgmt application */
1231 lpfc_board_errevt_to_mgmt(phba);
1233 /* For now, the actual action for SLI4 device handling is not
1234 * specified yet, just treated it as adaptor hardware failure
1236 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1237 "0143 SLI4 Adapter Hardware Error Data: x%x x%x\n",
1238 phba->work_status[0], phba->work_status[1]);
1240 event_data = FC_REG_DUMP_EVENT;
1241 shost = lpfc_shost_from_vport(vport);
1242 fc_host_post_vendor_event(shost, fc_get_event_number(),
1243 sizeof(event_data), (char *) &event_data,
1244 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
1246 lpfc_sli4_offline_eratt(phba);
1250 * lpfc_handle_eratt - Wrapper func for handling hba error attention
1251 * @phba: pointer to lpfc HBA data structure.
1253 * This routine wraps the actual SLI3 or SLI4 hba error attention handling
1254 * routine from the API jump table function pointer from the lpfc_hba struct.
1258 * Any other value - error.
1261 lpfc_handle_eratt(struct lpfc_hba *phba)
1263 (*phba->lpfc_handle_eratt)(phba);
1267 * lpfc_handle_latt - The HBA link event handler
1268 * @phba: pointer to lpfc hba data structure.
1270 * This routine is invoked from the worker thread to handle a HBA host
1271 * attention link event.
1274 lpfc_handle_latt(struct lpfc_hba *phba)
1276 struct lpfc_vport *vport = phba->pport;
1277 struct lpfc_sli *psli = &phba->sli;
1279 volatile uint32_t control;
1280 struct lpfc_dmabuf *mp;
1283 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1286 goto lpfc_handle_latt_err_exit;
1289 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1292 goto lpfc_handle_latt_free_pmb;
1295 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
1298 goto lpfc_handle_latt_free_mp;
1301 /* Cleanup any outstanding ELS commands */
1302 lpfc_els_flush_all_cmd(phba);
1304 psli->slistat.link_event++;
1305 lpfc_read_la(phba, pmb, mp);
1306 pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
1308 /* Block ELS IOCBs until we have processed this mbox command */
1309 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
1310 rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT);
1311 if (rc == MBX_NOT_FINISHED) {
1313 goto lpfc_handle_latt_free_mbuf;
1316 /* Clear Link Attention in HA REG */
1317 spin_lock_irq(&phba->hbalock);
1318 writel(HA_LATT, phba->HAregaddr);
1319 readl(phba->HAregaddr); /* flush */
1320 spin_unlock_irq(&phba->hbalock);
1324 lpfc_handle_latt_free_mbuf:
1325 phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT;
1326 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1327 lpfc_handle_latt_free_mp:
1329 lpfc_handle_latt_free_pmb:
1330 mempool_free(pmb, phba->mbox_mem_pool);
1331 lpfc_handle_latt_err_exit:
1332 /* Enable Link attention interrupts */
1333 spin_lock_irq(&phba->hbalock);
1334 psli->sli_flag |= LPFC_PROCESS_LA;
1335 control = readl(phba->HCregaddr);
1336 control |= HC_LAINT_ENA;
1337 writel(control, phba->HCregaddr);
1338 readl(phba->HCregaddr); /* flush */
1340 /* Clear Link Attention in HA REG */
1341 writel(HA_LATT, phba->HAregaddr);
1342 readl(phba->HAregaddr); /* flush */
1343 spin_unlock_irq(&phba->hbalock);
1344 lpfc_linkdown(phba);
1345 phba->link_state = LPFC_HBA_ERROR;
1347 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1348 "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc);
1354 * lpfc_parse_vpd - Parse VPD (Vital Product Data)
1355 * @phba: pointer to lpfc hba data structure.
1356 * @vpd: pointer to the vital product data.
1357 * @len: length of the vital product data in bytes.
1359 * This routine parses the Vital Product Data (VPD). The VPD is treated as
1360 * an array of characters. In this routine, the ModelName, ProgramType, and
1361 * ModelDesc, etc. fields of the phba data structure will be populated.
1364 * 0 - pointer to the VPD passed in is NULL
1368 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
1370 uint8_t lenlo, lenhi;
1380 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1381 "0455 Vital Product Data: x%x x%x x%x x%x\n",
1382 (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
1384 while (!finished && (index < (len - 4))) {
1385 switch (vpd[index]) {
1393 i = ((((unsigned short)lenhi) << 8) + lenlo);
1402 Length = ((((unsigned short)lenhi) << 8) + lenlo);
1403 if (Length > len - index)
1404 Length = len - index;
1405 while (Length > 0) {
1406 /* Look for Serial Number */
1407 if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) {
1414 phba->SerialNumber[j++] = vpd[index++];
1418 phba->SerialNumber[j] = 0;
1421 else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) {
1422 phba->vpd_flag |= VPD_MODEL_DESC;
1429 phba->ModelDesc[j++] = vpd[index++];
1433 phba->ModelDesc[j] = 0;
1436 else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) {
1437 phba->vpd_flag |= VPD_MODEL_NAME;
1444 phba->ModelName[j++] = vpd[index++];
1448 phba->ModelName[j] = 0;
1451 else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) {
1452 phba->vpd_flag |= VPD_PROGRAM_TYPE;
1459 phba->ProgramType[j++] = vpd[index++];
1463 phba->ProgramType[j] = 0;
1466 else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) {
1467 phba->vpd_flag |= VPD_PORT;
1474 phba->Port[j++] = vpd[index++];
1504 * lpfc_get_hba_model_desc - Retrieve HBA device model name and description
1505 * @phba: pointer to lpfc hba data structure.
1506 * @mdp: pointer to the data structure to hold the derived model name.
1507 * @descp: pointer to the data structure to hold the derived description.
1509 * This routine retrieves HBA's description based on its registered PCI device
1510 * ID. The @descp passed into this function points to an array of 256 chars. It
1511 * shall be returned with the model name, maximum speed, and the host bus type.
1512 * The @mdp passed into this function points to an array of 80 chars. When the
1513 * function returns, the @mdp will be filled with the model name.
1516 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
1519 uint16_t dev_id = phba->pcidev->device;
1522 int oneConnect = 0; /* default is not a oneConnect */
1527 } m = {"<Unknown>", 0, ""};
1529 if (mdp && mdp[0] != '\0'
1530 && descp && descp[0] != '\0')
1533 if (phba->lmt & LMT_10Gb)
1535 else if (phba->lmt & LMT_8Gb)
1537 else if (phba->lmt & LMT_4Gb)
1539 else if (phba->lmt & LMT_2Gb)
1547 case PCI_DEVICE_ID_FIREFLY:
1548 m = (typeof(m)){"LP6000", max_speed, "PCI"};
1550 case PCI_DEVICE_ID_SUPERFLY:
1551 if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
1552 m = (typeof(m)){"LP7000", max_speed, "PCI"};
1554 m = (typeof(m)){"LP7000E", max_speed, "PCI"};
1556 case PCI_DEVICE_ID_DRAGONFLY:
1557 m = (typeof(m)){"LP8000", max_speed, "PCI"};
1559 case PCI_DEVICE_ID_CENTAUR:
1560 if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
1561 m = (typeof(m)){"LP9002", max_speed, "PCI"};
1563 m = (typeof(m)){"LP9000", max_speed, "PCI"};
1565 case PCI_DEVICE_ID_RFLY:
1566 m = (typeof(m)){"LP952", max_speed, "PCI"};
1568 case PCI_DEVICE_ID_PEGASUS:
1569 m = (typeof(m)){"LP9802", max_speed, "PCI-X"};
1571 case PCI_DEVICE_ID_THOR:
1572 m = (typeof(m)){"LP10000", max_speed, "PCI-X"};
1574 case PCI_DEVICE_ID_VIPER:
1575 m = (typeof(m)){"LPX1000", max_speed, "PCI-X"};
1577 case PCI_DEVICE_ID_PFLY:
1578 m = (typeof(m)){"LP982", max_speed, "PCI-X"};
1580 case PCI_DEVICE_ID_TFLY:
1581 m = (typeof(m)){"LP1050", max_speed, "PCI-X"};
1583 case PCI_DEVICE_ID_HELIOS:
1584 m = (typeof(m)){"LP11000", max_speed, "PCI-X2"};
1586 case PCI_DEVICE_ID_HELIOS_SCSP:
1587 m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"};
1589 case PCI_DEVICE_ID_HELIOS_DCSP:
1590 m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"};
1592 case PCI_DEVICE_ID_NEPTUNE:
1593 m = (typeof(m)){"LPe1000", max_speed, "PCIe"};
1595 case PCI_DEVICE_ID_NEPTUNE_SCSP:
1596 m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"};
1598 case PCI_DEVICE_ID_NEPTUNE_DCSP:
1599 m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"};
1601 case PCI_DEVICE_ID_BMID:
1602 m = (typeof(m)){"LP1150", max_speed, "PCI-X2"};
1604 case PCI_DEVICE_ID_BSMB:
1605 m = (typeof(m)){"LP111", max_speed, "PCI-X2"};
1607 case PCI_DEVICE_ID_ZEPHYR:
1608 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1610 case PCI_DEVICE_ID_ZEPHYR_SCSP:
1611 m = (typeof(m)){"LPe11000", max_speed, "PCIe"};
1613 case PCI_DEVICE_ID_ZEPHYR_DCSP:
1614 m = (typeof(m)){"LP2105", max_speed, "PCIe"};
1617 case PCI_DEVICE_ID_ZMID:
1618 m = (typeof(m)){"LPe1150", max_speed, "PCIe"};
1620 case PCI_DEVICE_ID_ZSMB:
1621 m = (typeof(m)){"LPe111", max_speed, "PCIe"};
1623 case PCI_DEVICE_ID_LP101:
1624 m = (typeof(m)){"LP101", max_speed, "PCI-X"};
1626 case PCI_DEVICE_ID_LP10000S:
1627 m = (typeof(m)){"LP10000-S", max_speed, "PCI"};
1629 case PCI_DEVICE_ID_LP11000S:
1630 m = (typeof(m)){"LP11000-S", max_speed,
1633 case PCI_DEVICE_ID_LPE11000S:
1634 m = (typeof(m)){"LPe11000-S", max_speed,
1637 case PCI_DEVICE_ID_SAT:
1638 m = (typeof(m)){"LPe12000", max_speed, "PCIe"};
1640 case PCI_DEVICE_ID_SAT_MID:
1641 m = (typeof(m)){"LPe1250", max_speed, "PCIe"};
1643 case PCI_DEVICE_ID_SAT_SMB:
1644 m = (typeof(m)){"LPe121", max_speed, "PCIe"};
1646 case PCI_DEVICE_ID_SAT_DCSP:
1647 m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"};
1649 case PCI_DEVICE_ID_SAT_SCSP:
1650 m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"};
1652 case PCI_DEVICE_ID_SAT_S:
1653 m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
1655 case PCI_DEVICE_ID_HORNET:
1656 m = (typeof(m)){"LP21000", max_speed, "PCIe"};
1659 case PCI_DEVICE_ID_PROTEUS_VF:
1660 m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"};
1662 case PCI_DEVICE_ID_PROTEUS_PF:
1663 m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"};
1665 case PCI_DEVICE_ID_PROTEUS_S:
1666 m = (typeof(m)) {"LPemv12002-S", max_speed, "PCIe IOV"};
1668 case PCI_DEVICE_ID_TIGERSHARK:
1670 m = (typeof(m)) {"OCe10100-F", max_speed, "PCIe"};
1672 case PCI_DEVICE_ID_TS_BE3:
1674 m = (typeof(m)) {"OCeXXXXX-F", max_speed, "PCIe"};
1677 m = (typeof(m)){ NULL };
1681 if (mdp && mdp[0] == '\0')
1682 snprintf(mdp, 79,"%s", m.name);
1683 /* oneConnect hba requires special processing, they are all initiators
1684 * and we put the port number on the end
1686 if (descp && descp[0] == '\0') {
1688 snprintf(descp, 255,
1689 "Emulex OneConnect %s, FCoE Initiator, Port %s",
1693 snprintf(descp, 255,
1694 "Emulex %s %d%s %s %s",
1695 m.name, m.max_speed,
1698 (GE) ? "FCoE Adapter" :
1699 "Fibre Channel Adapter");
1704 * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring
1705 * @phba: pointer to lpfc hba data structure.
1706 * @pring: pointer to a IOCB ring.
1707 * @cnt: the number of IOCBs to be posted to the IOCB ring.
1709 * This routine posts a given number of IOCBs with the associated DMA buffer
1710 * descriptors specified by the cnt argument to the given IOCB ring.
1713 * The number of IOCBs NOT able to be posted to the IOCB ring.
1716 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt)
1719 struct lpfc_iocbq *iocb;
1720 struct lpfc_dmabuf *mp1, *mp2;
1722 cnt += pring->missbufcnt;
1724 /* While there are buffers to post */
1726 /* Allocate buffer for command iocb */
1727 iocb = lpfc_sli_get_iocbq(phba);
1729 pring->missbufcnt = cnt;
1734 /* 2 buffers can be posted per command */
1735 /* Allocate buffer to post */
1736 mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1738 mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys);
1739 if (!mp1 || !mp1->virt) {
1741 lpfc_sli_release_iocbq(phba, iocb);
1742 pring->missbufcnt = cnt;
1746 INIT_LIST_HEAD(&mp1->list);
1747 /* Allocate buffer to post */
1749 mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1751 mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
1753 if (!mp2 || !mp2->virt) {
1755 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1757 lpfc_sli_release_iocbq(phba, iocb);
1758 pring->missbufcnt = cnt;
1762 INIT_LIST_HEAD(&mp2->list);
1767 icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
1768 icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
1769 icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
1770 icmd->ulpBdeCount = 1;
1773 icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
1774 icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
1775 icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
1777 icmd->ulpBdeCount = 2;
1780 icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
1783 if (lpfc_sli_issue_iocb(phba, pring->ringno, iocb, 0) ==
1785 lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
1789 lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
1793 lpfc_sli_release_iocbq(phba, iocb);
1794 pring->missbufcnt = cnt;
1797 lpfc_sli_ringpostbuf_put(phba, pring, mp1);
1799 lpfc_sli_ringpostbuf_put(phba, pring, mp2);
1801 pring->missbufcnt = 0;
1806 * lpfc_post_rcv_buf - Post the initial receive IOCB buffers to ELS ring
1807 * @phba: pointer to lpfc hba data structure.
1809 * This routine posts initial receive IOCB buffers to the ELS ring. The
1810 * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
1814 * 0 - success (currently always success)
1817 lpfc_post_rcv_buf(struct lpfc_hba *phba)
1819 struct lpfc_sli *psli = &phba->sli;
1821 /* Ring 0, ELS / CT buffers */
1822 lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0);
1823 /* Ring 2 - FCP no buffers needed */
1828 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
1831 * lpfc_sha_init - Set up initial array of hash table entries
1832 * @HashResultPointer: pointer to an array as hash table.
1834 * This routine sets up the initial values to the array of hash table entries
1838 lpfc_sha_init(uint32_t * HashResultPointer)
1840 HashResultPointer[0] = 0x67452301;
1841 HashResultPointer[1] = 0xEFCDAB89;
1842 HashResultPointer[2] = 0x98BADCFE;
1843 HashResultPointer[3] = 0x10325476;
1844 HashResultPointer[4] = 0xC3D2E1F0;
1848 * lpfc_sha_iterate - Iterate initial hash table with the working hash table
1849 * @HashResultPointer: pointer to an initial/result hash table.
1850 * @HashWorkingPointer: pointer to an working hash table.
1852 * This routine iterates an initial hash table pointed by @HashResultPointer
1853 * with the values from the working hash table pointeed by @HashWorkingPointer.
1854 * The results are putting back to the initial hash table, returned through
1855 * the @HashResultPointer as the result hash table.
1858 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
1862 uint32_t A, B, C, D, E;
1865 HashWorkingPointer[t] =
1867 HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
1869 HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
1870 } while (++t <= 79);
1872 A = HashResultPointer[0];
1873 B = HashResultPointer[1];
1874 C = HashResultPointer[2];
1875 D = HashResultPointer[3];
1876 E = HashResultPointer[4];
1880 TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
1881 } else if (t < 40) {
1882 TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
1883 } else if (t < 60) {
1884 TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
1886 TEMP = (B ^ C ^ D) + 0xCA62C1D6;
1888 TEMP += S(5, A) + E + HashWorkingPointer[t];
1894 } while (++t <= 79);
1896 HashResultPointer[0] += A;
1897 HashResultPointer[1] += B;
1898 HashResultPointer[2] += C;
1899 HashResultPointer[3] += D;
1900 HashResultPointer[4] += E;
1905 * lpfc_challenge_key - Create challenge key based on WWPN of the HBA
1906 * @RandomChallenge: pointer to the entry of host challenge random number array.
1907 * @HashWorking: pointer to the entry of the working hash array.
1909 * This routine calculates the working hash array referred by @HashWorking
1910 * from the challenge random numbers associated with the host, referred by
1911 * @RandomChallenge. The result is put into the entry of the working hash
1912 * array and returned by reference through @HashWorking.
1915 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
1917 *HashWorking = (*RandomChallenge ^ *HashWorking);
1921 * lpfc_hba_init - Perform special handling for LC HBA initialization
1922 * @phba: pointer to lpfc hba data structure.
1923 * @hbainit: pointer to an array of unsigned 32-bit integers.
1925 * This routine performs the special handling for LC HBA initialization.
1928 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
1931 uint32_t *HashWorking;
1932 uint32_t *pwwnn = (uint32_t *) phba->wwnn;
1934 HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL);
1938 HashWorking[0] = HashWorking[78] = *pwwnn++;
1939 HashWorking[1] = HashWorking[79] = *pwwnn;
1941 for (t = 0; t < 7; t++)
1942 lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
1944 lpfc_sha_init(hbainit);
1945 lpfc_sha_iterate(hbainit, HashWorking);
1950 * lpfc_cleanup - Performs vport cleanups before deleting a vport
1951 * @vport: pointer to a virtual N_Port data structure.
1953 * This routine performs the necessary cleanups before deleting the @vport.
1954 * It invokes the discovery state machine to perform necessary state
1955 * transitions and to release the ndlps associated with the @vport. Note,
1956 * the physical port is treated as @vport 0.
1959 lpfc_cleanup(struct lpfc_vport *vport)
1961 struct lpfc_hba *phba = vport->phba;
1962 struct lpfc_nodelist *ndlp, *next_ndlp;
1965 if (phba->link_state > LPFC_LINK_DOWN)
1966 lpfc_port_link_failure(vport);
1968 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1969 if (!NLP_CHK_NODE_ACT(ndlp)) {
1970 ndlp = lpfc_enable_node(vport, ndlp,
1971 NLP_STE_UNUSED_NODE);
1974 spin_lock_irq(&phba->ndlp_lock);
1975 NLP_SET_FREE_REQ(ndlp);
1976 spin_unlock_irq(&phba->ndlp_lock);
1977 /* Trigger the release of the ndlp memory */
1981 spin_lock_irq(&phba->ndlp_lock);
1982 if (NLP_CHK_FREE_REQ(ndlp)) {
1983 /* The ndlp should not be in memory free mode already */
1984 spin_unlock_irq(&phba->ndlp_lock);
1987 /* Indicate request for freeing ndlp memory */
1988 NLP_SET_FREE_REQ(ndlp);
1989 spin_unlock_irq(&phba->ndlp_lock);
1991 if (vport->port_type != LPFC_PHYSICAL_PORT &&
1992 ndlp->nlp_DID == Fabric_DID) {
1993 /* Just free up ndlp with Fabric_DID for vports */
1998 if (ndlp->nlp_type & NLP_FABRIC)
1999 lpfc_disc_state_machine(vport, ndlp, NULL,
2000 NLP_EVT_DEVICE_RECOVERY);
2002 lpfc_disc_state_machine(vport, ndlp, NULL,
2007 /* At this point, ALL ndlp's should be gone
2008 * because of the previous NLP_EVT_DEVICE_RM.
2009 * Lets wait for this to happen, if needed.
2011 while (!list_empty(&vport->fc_nodes)) {
2013 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
2014 "0233 Nodelist not empty\n");
2015 list_for_each_entry_safe(ndlp, next_ndlp,
2016 &vport->fc_nodes, nlp_listp) {
2017 lpfc_printf_vlog(ndlp->vport, KERN_ERR,
2019 "0282 did:x%x ndlp:x%p "
2020 "usgmap:x%x refcnt:%d\n",
2021 ndlp->nlp_DID, (void *)ndlp,
2024 &ndlp->kref.refcount));
2029 /* Wait for any activity on ndlps to settle */
2035 * lpfc_stop_vport_timers - Stop all the timers associated with a vport
2036 * @vport: pointer to a virtual N_Port data structure.
2038 * This routine stops all the timers associated with a @vport. This function
2039 * is invoked before disabling or deleting a @vport. Note that the physical
2040 * port is treated as @vport 0.
2043 lpfc_stop_vport_timers(struct lpfc_vport *vport)
2045 del_timer_sync(&vport->els_tmofunc);
2046 del_timer_sync(&vport->fc_fdmitmo);
2047 lpfc_can_disctmo(vport);
2052 * lpfc_stop_hba_timers - Stop all the timers associated with an HBA
2053 * @phba: pointer to lpfc hba data structure.
2055 * This routine stops all the timers associated with a HBA. This function is
2056 * invoked before either putting a HBA offline or unloading the driver.
2059 lpfc_stop_hba_timers(struct lpfc_hba *phba)
2061 lpfc_stop_vport_timers(phba->pport);
2062 del_timer_sync(&phba->sli.mbox_tmo);
2063 del_timer_sync(&phba->fabric_block_timer);
2064 del_timer_sync(&phba->eratt_poll);
2065 del_timer_sync(&phba->hb_tmofunc);
2066 phba->hb_outstanding = 0;
2068 switch (phba->pci_dev_grp) {
2069 case LPFC_PCI_DEV_LP:
2070 /* Stop any LightPulse device specific driver timers */
2071 del_timer_sync(&phba->fcp_poll_timer);
2073 case LPFC_PCI_DEV_OC:
2074 /* Stop any OneConnect device sepcific driver timers */
2077 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2078 "0297 Invalid device group (x%x)\n",
2086 * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked
2087 * @phba: pointer to lpfc hba data structure.
2089 * This routine marks a HBA's management interface as blocked. Once the HBA's
2090 * management interface is marked as blocked, all the user space access to
2091 * the HBA, whether they are from sysfs interface or libdfc interface will
2092 * all be blocked. The HBA is set to block the management interface when the
2093 * driver prepares the HBA interface for online or offline.
2096 lpfc_block_mgmt_io(struct lpfc_hba * phba)
2098 unsigned long iflag;
2100 spin_lock_irqsave(&phba->hbalock, iflag);
2101 phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
2102 spin_unlock_irqrestore(&phba->hbalock, iflag);
2106 * lpfc_online - Initialize and bring a HBA online
2107 * @phba: pointer to lpfc hba data structure.
2109 * This routine initializes the HBA and brings a HBA online. During this
2110 * process, the management interface is blocked to prevent user space access
2111 * to the HBA interfering with the driver initialization.
2118 lpfc_online(struct lpfc_hba *phba)
2120 struct lpfc_vport *vport;
2121 struct lpfc_vport **vports;
2126 vport = phba->pport;
2128 if (!(vport->fc_flag & FC_OFFLINE_MODE))
2131 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
2132 "0458 Bring Adapter online\n");
2134 lpfc_block_mgmt_io(phba);
2136 if (!lpfc_sli_queue_setup(phba)) {
2137 lpfc_unblock_mgmt_io(phba);
2141 if (phba->sli_rev == LPFC_SLI_REV4) {
2142 if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */
2143 lpfc_unblock_mgmt_io(phba);
2147 if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */
2148 lpfc_unblock_mgmt_io(phba);
2153 vports = lpfc_create_vport_work_array(phba);
2155 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2156 struct Scsi_Host *shost;
2157 shost = lpfc_shost_from_vport(vports[i]);
2158 spin_lock_irq(shost->host_lock);
2159 vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
2160 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
2161 vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
2162 if (phba->sli_rev == LPFC_SLI_REV4)
2163 vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
2164 spin_unlock_irq(shost->host_lock);
2166 lpfc_destroy_vport_work_array(phba, vports);
2168 lpfc_unblock_mgmt_io(phba);
2173 * lpfc_unblock_mgmt_io - Mark a HBA's management interface to be not blocked
2174 * @phba: pointer to lpfc hba data structure.
2176 * This routine marks a HBA's management interface as not blocked. Once the
2177 * HBA's management interface is marked as not blocked, all the user space
2178 * access to the HBA, whether they are from sysfs interface or libdfc
2179 * interface will be allowed. The HBA is set to block the management interface
2180 * when the driver prepares the HBA interface for online or offline and then
2181 * set to unblock the management interface afterwards.
2184 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
2186 unsigned long iflag;
2188 spin_lock_irqsave(&phba->hbalock, iflag);
2189 phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO;
2190 spin_unlock_irqrestore(&phba->hbalock, iflag);
2194 * lpfc_offline_prep - Prepare a HBA to be brought offline
2195 * @phba: pointer to lpfc hba data structure.
2197 * This routine is invoked to prepare a HBA to be brought offline. It performs
2198 * unregistration login to all the nodes on all vports and flushes the mailbox
2199 * queue to make it ready to be brought offline.
2202 lpfc_offline_prep(struct lpfc_hba * phba)
2204 struct lpfc_vport *vport = phba->pport;
2205 struct lpfc_nodelist *ndlp, *next_ndlp;
2206 struct lpfc_vport **vports;
2209 if (vport->fc_flag & FC_OFFLINE_MODE)
2212 lpfc_block_mgmt_io(phba);
2214 lpfc_linkdown(phba);
2216 /* Issue an unreg_login to all nodes on all vports */
2217 vports = lpfc_create_vport_work_array(phba);
2218 if (vports != NULL) {
2219 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2220 struct Scsi_Host *shost;
2222 if (vports[i]->load_flag & FC_UNLOADING)
2224 vports[i]->vfi_state &= ~LPFC_VFI_REGISTERED;
2225 shost = lpfc_shost_from_vport(vports[i]);
2226 list_for_each_entry_safe(ndlp, next_ndlp,
2227 &vports[i]->fc_nodes,
2229 if (!NLP_CHK_NODE_ACT(ndlp))
2231 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
2233 if (ndlp->nlp_type & NLP_FABRIC) {
2234 lpfc_disc_state_machine(vports[i], ndlp,
2235 NULL, NLP_EVT_DEVICE_RECOVERY);
2236 lpfc_disc_state_machine(vports[i], ndlp,
2237 NULL, NLP_EVT_DEVICE_RM);
2239 spin_lock_irq(shost->host_lock);
2240 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
2241 spin_unlock_irq(shost->host_lock);
2242 lpfc_unreg_rpi(vports[i], ndlp);
2246 lpfc_destroy_vport_work_array(phba, vports);
2248 lpfc_sli_mbox_sys_shutdown(phba);
2252 * lpfc_offline - Bring a HBA offline
2253 * @phba: pointer to lpfc hba data structure.
2255 * This routine actually brings a HBA offline. It stops all the timers
2256 * associated with the HBA, brings down the SLI layer, and eventually
2257 * marks the HBA as in offline state for the upper layer protocol.
2260 lpfc_offline(struct lpfc_hba *phba)
2262 struct Scsi_Host *shost;
2263 struct lpfc_vport **vports;
2266 if (phba->pport->fc_flag & FC_OFFLINE_MODE)
2269 /* stop port and all timers associated with this hba */
2270 lpfc_stop_port(phba);
2271 vports = lpfc_create_vport_work_array(phba);
2273 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
2274 lpfc_stop_vport_timers(vports[i]);
2275 lpfc_destroy_vport_work_array(phba, vports);
2276 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
2277 "0460 Bring Adapter offline\n");
2278 /* Bring down the SLI Layer and cleanup. The HBA is offline
2280 lpfc_sli_hba_down(phba);
2281 spin_lock_irq(&phba->hbalock);
2283 spin_unlock_irq(&phba->hbalock);
2284 vports = lpfc_create_vport_work_array(phba);
2286 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2287 shost = lpfc_shost_from_vport(vports[i]);
2288 spin_lock_irq(shost->host_lock);
2289 vports[i]->work_port_events = 0;
2290 vports[i]->fc_flag |= FC_OFFLINE_MODE;
2291 spin_unlock_irq(shost->host_lock);
2293 lpfc_destroy_vport_work_array(phba, vports);
2297 * lpfc_scsi_free - Free all the SCSI buffers and IOCBs from driver lists
2298 * @phba: pointer to lpfc hba data structure.
2300 * This routine is to free all the SCSI buffers and IOCBs from the driver
2301 * list back to kernel. It is called from lpfc_pci_remove_one to free
2302 * the internal resources before the device is removed from the system.
2305 * 0 - successful (for now, it always returns 0)
2308 lpfc_scsi_free(struct lpfc_hba *phba)
2310 struct lpfc_scsi_buf *sb, *sb_next;
2311 struct lpfc_iocbq *io, *io_next;
2313 spin_lock_irq(&phba->hbalock);
2314 /* Release all the lpfc_scsi_bufs maintained by this host. */
2315 list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) {
2316 list_del(&sb->list);
2317 pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data,
2320 phba->total_scsi_bufs--;
2323 /* Release all the lpfc_iocbq entries maintained by this host. */
2324 list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) {
2325 list_del(&io->list);
2327 phba->total_iocbq_bufs--;
2330 spin_unlock_irq(&phba->hbalock);
2336 * lpfc_create_port - Create an FC port
2337 * @phba: pointer to lpfc hba data structure.
2338 * @instance: a unique integer ID to this FC port.
2339 * @dev: pointer to the device data structure.
2341 * This routine creates a FC port for the upper layer protocol. The FC port
2342 * can be created on top of either a physical port or a virtual port provided
2343 * by the HBA. This routine also allocates a SCSI host data structure (shost)
2344 * and associates the FC port created before adding the shost into the SCSI
2348 * @vport - pointer to the virtual N_Port data structure.
2349 * NULL - port create failed.
2352 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
2354 struct lpfc_vport *vport;
2355 struct Scsi_Host *shost;
2358 if (dev != &phba->pcidev->dev)
2359 shost = scsi_host_alloc(&lpfc_vport_template,
2360 sizeof(struct lpfc_vport));
2362 shost = scsi_host_alloc(&lpfc_template,
2363 sizeof(struct lpfc_vport));
2367 vport = (struct lpfc_vport *) shost->hostdata;
2369 vport->load_flag |= FC_LOADING;
2370 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
2371 vport->fc_rscn_flush = 0;
2373 lpfc_get_vport_cfgparam(vport);
2374 shost->unique_id = instance;
2375 shost->max_id = LPFC_MAX_TARGET;
2376 shost->max_lun = vport->cfg_max_luns;
2377 shost->this_id = -1;
2378 shost->max_cmd_len = 16;
2379 if (phba->sli_rev == LPFC_SLI_REV4) {
2380 shost->dma_boundary = LPFC_SLI4_MAX_SEGMENT_SIZE;
2381 shost->sg_tablesize = phba->cfg_sg_seg_cnt;
2385 * Set initial can_queue value since 0 is no longer supported and
2386 * scsi_add_host will fail. This will be adjusted later based on the
2387 * max xri value determined in hba setup.
2389 shost->can_queue = phba->cfg_hba_queue_depth - 10;
2390 if (dev != &phba->pcidev->dev) {
2391 shost->transportt = lpfc_vport_transport_template;
2392 vport->port_type = LPFC_NPIV_PORT;
2394 shost->transportt = lpfc_transport_template;
2395 vport->port_type = LPFC_PHYSICAL_PORT;
2398 /* Initialize all internally managed lists. */
2399 INIT_LIST_HEAD(&vport->fc_nodes);
2400 INIT_LIST_HEAD(&vport->rcv_buffer_list);
2401 spin_lock_init(&vport->work_port_lock);
2403 init_timer(&vport->fc_disctmo);
2404 vport->fc_disctmo.function = lpfc_disc_timeout;
2405 vport->fc_disctmo.data = (unsigned long)vport;
2407 init_timer(&vport->fc_fdmitmo);
2408 vport->fc_fdmitmo.function = lpfc_fdmi_tmo;
2409 vport->fc_fdmitmo.data = (unsigned long)vport;
2411 init_timer(&vport->els_tmofunc);
2412 vport->els_tmofunc.function = lpfc_els_timeout;
2413 vport->els_tmofunc.data = (unsigned long)vport;
2415 error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
2419 spin_lock_irq(&phba->hbalock);
2420 list_add_tail(&vport->listentry, &phba->port_list);
2421 spin_unlock_irq(&phba->hbalock);
2425 scsi_host_put(shost);
2431 * destroy_port - destroy an FC port
2432 * @vport: pointer to an lpfc virtual N_Port data structure.
2434 * This routine destroys a FC port from the upper layer protocol. All the
2435 * resources associated with the port are released.
2438 destroy_port(struct lpfc_vport *vport)
2440 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2441 struct lpfc_hba *phba = vport->phba;
2443 lpfc_debugfs_terminate(vport);
2444 fc_remove_host(shost);
2445 scsi_remove_host(shost);
2447 spin_lock_irq(&phba->hbalock);
2448 list_del_init(&vport->listentry);
2449 spin_unlock_irq(&phba->hbalock);
2451 lpfc_cleanup(vport);
2456 * lpfc_get_instance - Get a unique integer ID
2458 * This routine allocates a unique integer ID from lpfc_hba_index pool. It
2459 * uses the kernel idr facility to perform the task.
2462 * instance - a unique integer ID allocated as the new instance.
2463 * -1 - lpfc get instance failed.
2466 lpfc_get_instance(void)
2470 /* Assign an unused number */
2471 if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL))
2473 if (idr_get_new(&lpfc_hba_index, NULL, &instance))
2479 * lpfc_scan_finished - method for SCSI layer to detect whether scan is done
2480 * @shost: pointer to SCSI host data structure.
2481 * @time: elapsed time of the scan in jiffies.
2483 * This routine is called by the SCSI layer with a SCSI host to determine
2484 * whether the scan host is finished.
2486 * Note: there is no scan_start function as adapter initialization will have
2487 * asynchronously kicked off the link initialization.
2490 * 0 - SCSI host scan is not over yet.
2491 * 1 - SCSI host scan is over.
2493 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
2495 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2496 struct lpfc_hba *phba = vport->phba;
2499 spin_lock_irq(shost->host_lock);
2501 if (vport->load_flag & FC_UNLOADING) {
2505 if (time >= 30 * HZ) {
2506 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2507 "0461 Scanning longer than 30 "
2508 "seconds. Continuing initialization\n");
2512 if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) {
2513 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2514 "0465 Link down longer than 15 "
2515 "seconds. Continuing initialization\n");
2520 if (vport->port_state != LPFC_VPORT_READY)
2522 if (vport->num_disc_nodes || vport->fc_prli_sent)
2524 if (vport->fc_map_cnt == 0 && time < 2 * HZ)
2526 if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0)
2532 spin_unlock_irq(shost->host_lock);
2537 * lpfc_host_attrib_init - Initialize SCSI host attributes on a FC port
2538 * @shost: pointer to SCSI host data structure.
2540 * This routine initializes a given SCSI host attributes on a FC port. The
2541 * SCSI host can be either on top of a physical port or a virtual port.
2543 void lpfc_host_attrib_init(struct Scsi_Host *shost)
2545 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2546 struct lpfc_hba *phba = vport->phba;
2548 * Set fixed host attributes. Must done after lpfc_sli_hba_setup().
2551 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
2552 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
2553 fc_host_supported_classes(shost) = FC_COS_CLASS3;
2555 memset(fc_host_supported_fc4s(shost), 0,
2556 sizeof(fc_host_supported_fc4s(shost)));
2557 fc_host_supported_fc4s(shost)[2] = 1;
2558 fc_host_supported_fc4s(shost)[7] = 1;
2560 lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost),
2561 sizeof fc_host_symbolic_name(shost));
2563 fc_host_supported_speeds(shost) = 0;
2564 if (phba->lmt & LMT_10Gb)
2565 fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
2566 if (phba->lmt & LMT_8Gb)
2567 fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT;
2568 if (phba->lmt & LMT_4Gb)
2569 fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT;
2570 if (phba->lmt & LMT_2Gb)
2571 fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT;
2572 if (phba->lmt & LMT_1Gb)
2573 fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT;
2575 fc_host_maxframe_size(shost) =
2576 (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) |
2577 (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb;
2579 /* This value is also unchanging */
2580 memset(fc_host_active_fc4s(shost), 0,
2581 sizeof(fc_host_active_fc4s(shost)));
2582 fc_host_active_fc4s(shost)[2] = 1;
2583 fc_host_active_fc4s(shost)[7] = 1;
2585 fc_host_max_npiv_vports(shost) = phba->max_vpi;
2586 spin_lock_irq(shost->host_lock);
2587 vport->load_flag &= ~FC_LOADING;
2588 spin_unlock_irq(shost->host_lock);
2592 * lpfc_stop_port_s3 - Stop SLI3 device port
2593 * @phba: pointer to lpfc hba data structure.
2595 * This routine is invoked to stop an SLI3 device port, it stops the device
2596 * from generating interrupts and stops the device driver's timers for the
2600 lpfc_stop_port_s3(struct lpfc_hba *phba)
2602 /* Clear all interrupt enable conditions */
2603 writel(0, phba->HCregaddr);
2604 readl(phba->HCregaddr); /* flush */
2605 /* Clear all pending interrupts */
2606 writel(0xffffffff, phba->HAregaddr);
2607 readl(phba->HAregaddr); /* flush */
2609 /* Reset some HBA SLI setup states */
2610 lpfc_stop_hba_timers(phba);
2611 phba->pport->work_port_events = 0;
2615 * lpfc_stop_port_s4 - Stop SLI4 device port
2616 * @phba: pointer to lpfc hba data structure.
2618 * This routine is invoked to stop an SLI4 device port, it stops the device
2619 * from generating interrupts and stops the device driver's timers for the
2623 lpfc_stop_port_s4(struct lpfc_hba *phba)
2625 /* Reset some HBA SLI4 setup states */
2626 lpfc_stop_hba_timers(phba);
2627 phba->pport->work_port_events = 0;
2628 phba->sli4_hba.intr_enable = 0;
2629 /* Hard clear it for now, shall have more graceful way to wait later */
2630 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
2634 * lpfc_stop_port - Wrapper function for stopping hba port
2635 * @phba: Pointer to HBA context object.
2637 * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
2638 * the API jump table function pointer from the lpfc_hba struct.
2641 lpfc_stop_port(struct lpfc_hba *phba)
2643 phba->lpfc_stop_port(phba);
2647 * lpfc_sli4_remove_dflt_fcf - Remove the driver default fcf record from the port.
2648 * @phba: pointer to lpfc hba data structure.
2650 * This routine is invoked to remove the driver default fcf record from
2651 * the port. This routine currently acts on FCF Index 0.
2655 lpfc_sli_remove_dflt_fcf(struct lpfc_hba *phba)
2658 LPFC_MBOXQ_t *mboxq;
2659 struct lpfc_mbx_del_fcf_tbl_entry *del_fcf_record;
2660 uint32_t mbox_tmo, req_len;
2661 uint32_t shdr_status, shdr_add_status;
2663 mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2665 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2666 "2020 Failed to allocate mbox for ADD_FCF cmd\n");
2670 req_len = sizeof(struct lpfc_mbx_del_fcf_tbl_entry) -
2671 sizeof(struct lpfc_sli4_cfg_mhdr);
2672 rc = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
2673 LPFC_MBOX_OPCODE_FCOE_DELETE_FCF,
2674 req_len, LPFC_SLI4_MBX_EMBED);
2676 * In phase 1, there is a single FCF index, 0. In phase2, the driver
2677 * supports multiple FCF indices.
2679 del_fcf_record = &mboxq->u.mqe.un.del_fcf_entry;
2680 bf_set(lpfc_mbx_del_fcf_tbl_count, del_fcf_record, 1);
2681 bf_set(lpfc_mbx_del_fcf_tbl_index, del_fcf_record,
2682 phba->fcf.fcf_indx);
2684 if (!phba->sli4_hba.intr_enable)
2685 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
2687 mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
2688 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
2690 /* The IOCTL status is embedded in the mailbox subheader. */
2691 shdr_status = bf_get(lpfc_mbox_hdr_status,
2692 &del_fcf_record->header.cfg_shdr.response);
2693 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
2694 &del_fcf_record->header.cfg_shdr.response);
2695 if (shdr_status || shdr_add_status || rc != MBX_SUCCESS) {
2696 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2697 "2516 DEL FCF of default FCF Index failed "
2698 "mbx status x%x, status x%x add_status x%x\n",
2699 rc, shdr_status, shdr_add_status);
2701 if (rc != MBX_TIMEOUT)
2702 mempool_free(mboxq, phba->mbox_mem_pool);
2706 * lpfc_sli4_fw_cfg_check - Read the firmware config and verify FCoE support
2707 * @phba: pointer to lpfc hba data structure.
2709 * This function uses the QUERY_FW_CFG mailbox command to determine if the
2710 * firmware loaded supports FCoE. A return of zero indicates that the mailbox
2711 * was successful and the firmware supports FCoE. Any other return indicates
2712 * a error. It is assumed that this function will be called before interrupts
2716 lpfc_sli4_fw_cfg_check(struct lpfc_hba *phba)
2719 LPFC_MBOXQ_t *mboxq;
2720 struct lpfc_mbx_query_fw_cfg *query_fw_cfg;
2722 uint32_t shdr_status, shdr_add_status;
2724 mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2726 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2727 "2621 Failed to allocate mbox for "
2728 "query firmware config cmd\n");
2731 query_fw_cfg = &mboxq->u.mqe.un.query_fw_cfg;
2732 length = (sizeof(struct lpfc_mbx_query_fw_cfg) -
2733 sizeof(struct lpfc_sli4_cfg_mhdr));
2734 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
2735 LPFC_MBOX_OPCODE_QUERY_FW_CFG,
2736 length, LPFC_SLI4_MBX_EMBED);
2737 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
2738 /* The IOCTL status is embedded in the mailbox subheader. */
2739 shdr_status = bf_get(lpfc_mbox_hdr_status,
2740 &query_fw_cfg->header.cfg_shdr.response);
2741 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
2742 &query_fw_cfg->header.cfg_shdr.response);
2743 if (shdr_status || shdr_add_status || rc != MBX_SUCCESS) {
2744 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2745 "2622 Query Firmware Config failed "
2746 "mbx status x%x, status x%x add_status x%x\n",
2747 rc, shdr_status, shdr_add_status);
2750 if (!bf_get(lpfc_function_mode_fcoe_i, query_fw_cfg)) {
2751 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2752 "2623 FCoE Function not supported by firmware. "
2753 "Function mode = %08x\n",
2754 query_fw_cfg->function_mode);
2757 if (rc != MBX_TIMEOUT)
2758 mempool_free(mboxq, phba->mbox_mem_pool);
2763 * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
2764 * @phba: pointer to lpfc hba data structure.
2765 * @acqe_link: pointer to the async link completion queue entry.
2767 * This routine is to parse the SLI4 link-attention link fault code and
2768 * translate it into the base driver's read link attention mailbox command
2771 * Return: Link-attention status in terms of base driver's coding.
2774 lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba,
2775 struct lpfc_acqe_link *acqe_link)
2777 uint16_t latt_fault;
2779 switch (bf_get(lpfc_acqe_link_fault, acqe_link)) {
2780 case LPFC_ASYNC_LINK_FAULT_NONE:
2781 case LPFC_ASYNC_LINK_FAULT_LOCAL:
2782 case LPFC_ASYNC_LINK_FAULT_REMOTE:
2786 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2787 "0398 Invalid link fault code: x%x\n",
2788 bf_get(lpfc_acqe_link_fault, acqe_link));
2789 latt_fault = MBXERR_ERROR;
2796 * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
2797 * @phba: pointer to lpfc hba data structure.
2798 * @acqe_link: pointer to the async link completion queue entry.
2800 * This routine is to parse the SLI4 link attention type and translate it
2801 * into the base driver's link attention type coding.
2803 * Return: Link attention type in terms of base driver's coding.
2806 lpfc_sli4_parse_latt_type(struct lpfc_hba *phba,
2807 struct lpfc_acqe_link *acqe_link)
2811 switch (bf_get(lpfc_acqe_link_status, acqe_link)) {
2812 case LPFC_ASYNC_LINK_STATUS_DOWN:
2813 case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN:
2814 att_type = AT_LINK_DOWN;
2816 case LPFC_ASYNC_LINK_STATUS_UP:
2817 /* Ignore physical link up events - wait for logical link up */
2818 att_type = AT_RESERVED;
2820 case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP:
2821 att_type = AT_LINK_UP;
2824 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2825 "0399 Invalid link attention type: x%x\n",
2826 bf_get(lpfc_acqe_link_status, acqe_link));
2827 att_type = AT_RESERVED;
2834 * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
2835 * @phba: pointer to lpfc hba data structure.
2836 * @acqe_link: pointer to the async link completion queue entry.
2838 * This routine is to parse the SLI4 link-attention link speed and translate
2839 * it into the base driver's link-attention link speed coding.
2841 * Return: Link-attention link speed in terms of base driver's coding.
2844 lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba,
2845 struct lpfc_acqe_link *acqe_link)
2849 switch (bf_get(lpfc_acqe_link_speed, acqe_link)) {
2850 case LPFC_ASYNC_LINK_SPEED_ZERO:
2851 link_speed = LA_UNKNW_LINK;
2853 case LPFC_ASYNC_LINK_SPEED_10MBPS:
2854 link_speed = LA_UNKNW_LINK;
2856 case LPFC_ASYNC_LINK_SPEED_100MBPS:
2857 link_speed = LA_UNKNW_LINK;
2859 case LPFC_ASYNC_LINK_SPEED_1GBPS:
2860 link_speed = LA_1GHZ_LINK;
2862 case LPFC_ASYNC_LINK_SPEED_10GBPS:
2863 link_speed = LA_10GHZ_LINK;
2866 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2867 "0483 Invalid link-attention link speed: x%x\n",
2868 bf_get(lpfc_acqe_link_speed, acqe_link));
2869 link_speed = LA_UNKNW_LINK;
2876 * lpfc_sli4_async_link_evt - Process the asynchronous link event
2877 * @phba: pointer to lpfc hba data structure.
2878 * @acqe_link: pointer to the async link completion queue entry.
2880 * This routine is to handle the SLI4 asynchronous link event.
2883 lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
2884 struct lpfc_acqe_link *acqe_link)
2886 struct lpfc_dmabuf *mp;
2892 att_type = lpfc_sli4_parse_latt_type(phba, acqe_link);
2893 if (att_type != AT_LINK_DOWN && att_type != AT_LINK_UP)
2895 phba->fcoe_eventtag = acqe_link->event_tag;
2896 pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2898 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2899 "0395 The mboxq allocation failed\n");
2902 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
2904 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2905 "0396 The lpfc_dmabuf allocation failed\n");
2908 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
2910 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2911 "0397 The mbuf allocation failed\n");
2912 goto out_free_dmabuf;
2915 /* Cleanup any outstanding ELS commands */
2916 lpfc_els_flush_all_cmd(phba);
2918 /* Block ELS IOCBs until we have done process link event */
2919 phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
2921 /* Update link event statistics */
2922 phba->sli.slistat.link_event++;
2924 /* Create pseudo lpfc_handle_latt mailbox command from link ACQE */
2925 lpfc_read_la(phba, pmb, mp);
2926 pmb->vport = phba->pport;
2928 /* Parse and translate status field */
2930 mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link);
2932 /* Parse and translate link attention fields */
2933 la = (READ_LA_VAR *) &pmb->u.mb.un.varReadLA;
2934 la->eventTag = acqe_link->event_tag;
2935 la->attType = att_type;
2936 la->UlnkSpeed = lpfc_sli4_parse_latt_link_speed(phba, acqe_link);
2938 /* Fake the the following irrelvant fields */
2939 la->topology = TOPOLOGY_PT_PT;
2940 la->granted_AL_PA = 0;
2946 /* Keep the link status for extra SLI4 state machine reference */
2947 phba->sli4_hba.link_state.speed =
2948 bf_get(lpfc_acqe_link_speed, acqe_link);
2949 phba->sli4_hba.link_state.duplex =
2950 bf_get(lpfc_acqe_link_duplex, acqe_link);
2951 phba->sli4_hba.link_state.status =
2952 bf_get(lpfc_acqe_link_status, acqe_link);
2953 phba->sli4_hba.link_state.physical =
2954 bf_get(lpfc_acqe_link_physical, acqe_link);
2955 phba->sli4_hba.link_state.fault =
2956 bf_get(lpfc_acqe_link_fault, acqe_link);
2958 /* Invoke the lpfc_handle_latt mailbox command callback function */
2959 lpfc_mbx_cmpl_read_la(phba, pmb);
2966 mempool_free(pmb, phba->mbox_mem_pool);
2970 * lpfc_sli4_async_fcoe_evt - Process the asynchronous fcoe event
2971 * @phba: pointer to lpfc hba data structure.
2972 * @acqe_link: pointer to the async fcoe completion queue entry.
2974 * This routine is to handle the SLI4 asynchronous fcoe event.
2977 lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
2978 struct lpfc_acqe_fcoe *acqe_fcoe)
2980 uint8_t event_type = bf_get(lpfc_acqe_fcoe_event_type, acqe_fcoe);
2982 struct lpfc_vport *vport;
2983 struct lpfc_nodelist *ndlp;
2984 struct Scsi_Host *shost;
2986 phba->fc_eventTag = acqe_fcoe->event_tag;
2987 phba->fcoe_eventtag = acqe_fcoe->event_tag;
2988 switch (event_type) {
2989 case LPFC_FCOE_EVENT_TYPE_NEW_FCF:
2990 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2991 "2546 New FCF found index 0x%x tag 0x%x\n",
2993 acqe_fcoe->event_tag);
2995 * If the current FCF is in discovered state, or
2996 * FCF discovery is in progress do nothing.
2998 spin_lock_irq(&phba->hbalock);
2999 if ((phba->fcf.fcf_flag & FCF_DISCOVERED) ||
3000 (phba->hba_flag & FCF_DISC_INPROGRESS)) {
3001 spin_unlock_irq(&phba->hbalock);
3004 spin_unlock_irq(&phba->hbalock);
3006 /* Read the FCF table and re-discover SAN. */
3007 rc = lpfc_sli4_read_fcf_record(phba,
3008 LPFC_FCOE_FCF_GET_FIRST);
3010 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
3011 "2547 Read FCF record failed 0x%x\n",
3015 case LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL:
3016 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3017 "2548 FCF Table full count 0x%x tag 0x%x\n",
3018 bf_get(lpfc_acqe_fcoe_fcf_count, acqe_fcoe),
3019 acqe_fcoe->event_tag);
3022 case LPFC_FCOE_EVENT_TYPE_FCF_DEAD:
3023 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
3024 "2549 FCF disconnected fron network index 0x%x"
3025 " tag 0x%x\n", acqe_fcoe->index,
3026 acqe_fcoe->event_tag);
3027 /* If the event is not for currently used fcf do nothing */
3028 if (phba->fcf.fcf_indx != acqe_fcoe->index)
3031 * Currently, driver support only one FCF - so treat this as
3034 lpfc_linkdown(phba);
3035 /* Unregister FCF if no devices connected to it */
3036 lpfc_unregister_unused_fcf(phba);
3038 case LPFC_FCOE_EVENT_TYPE_CVL:
3039 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
3040 "2718 Clear Virtual Link Received for VPI 0x%x"
3041 " tag 0x%x\n", acqe_fcoe->index, acqe_fcoe->event_tag);
3042 vport = lpfc_find_vport_by_vpid(phba,
3043 acqe_fcoe->index /*- phba->vpi_base*/);
3046 ndlp = lpfc_findnode_did(vport, Fabric_DID);
3049 shost = lpfc_shost_from_vport(vport);
3050 lpfc_linkdown_port(vport);
3051 if (vport->port_type != LPFC_NPIV_PORT) {
3052 mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
3053 spin_lock_irq(shost->host_lock);
3054 ndlp->nlp_flag |= NLP_DELAY_TMO;
3055 spin_unlock_irq(shost->host_lock);
3056 ndlp->nlp_last_elscmd = ELS_CMD_FLOGI;
3057 vport->port_state = LPFC_FLOGI;
3061 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3062 "0288 Unknown FCoE event type 0x%x event tag "
3063 "0x%x\n", event_type, acqe_fcoe->event_tag);
3069 * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
3070 * @phba: pointer to lpfc hba data structure.
3071 * @acqe_link: pointer to the async dcbx completion queue entry.
3073 * This routine is to handle the SLI4 asynchronous dcbx event.
3076 lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba,
3077 struct lpfc_acqe_dcbx *acqe_dcbx)
3079 phba->fc_eventTag = acqe_dcbx->event_tag;
3080 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3081 "0290 The SLI4 DCBX asynchronous event is not "
3086 * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
3087 * @phba: pointer to lpfc hba data structure.
3089 * This routine is invoked by the worker thread to process all the pending
3090 * SLI4 asynchronous events.
3092 void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
3094 struct lpfc_cq_event *cq_event;
3096 /* First, declare the async event has been handled */
3097 spin_lock_irq(&phba->hbalock);
3098 phba->hba_flag &= ~ASYNC_EVENT;
3099 spin_unlock_irq(&phba->hbalock);
3100 /* Now, handle all the async events */
3101 while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) {
3102 /* Get the first event from the head of the event queue */
3103 spin_lock_irq(&phba->hbalock);
3104 list_remove_head(&phba->sli4_hba.sp_asynce_work_queue,
3105 cq_event, struct lpfc_cq_event, list);
3106 spin_unlock_irq(&phba->hbalock);
3107 /* Process the asynchronous event */
3108 switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) {
3109 case LPFC_TRAILER_CODE_LINK:
3110 lpfc_sli4_async_link_evt(phba,
3111 &cq_event->cqe.acqe_link);
3113 case LPFC_TRAILER_CODE_FCOE:
3114 lpfc_sli4_async_fcoe_evt(phba,
3115 &cq_event->cqe.acqe_fcoe);
3117 case LPFC_TRAILER_CODE_DCBX:
3118 lpfc_sli4_async_dcbx_evt(phba,
3119 &cq_event->cqe.acqe_dcbx);
3122 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3123 "1804 Invalid asynchrous event code: "
3124 "x%x\n", bf_get(lpfc_trailer_code,
3125 &cq_event->cqe.mcqe_cmpl));
3128 /* Free the completion event processed to the free pool */
3129 lpfc_sli4_cq_event_release(phba, cq_event);
3134 * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
3135 * @phba: pointer to lpfc hba data structure.
3136 * @dev_grp: The HBA PCI-Device group number.
3138 * This routine is invoked to set up the per HBA PCI-Device group function
3139 * API jump table entries.
3141 * Return: 0 if success, otherwise -ENODEV
3144 lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
3148 /* Set up lpfc PCI-device group */
3149 phba->pci_dev_grp = dev_grp;
3151 /* The LPFC_PCI_DEV_OC uses SLI4 */
3152 if (dev_grp == LPFC_PCI_DEV_OC)
3153 phba->sli_rev = LPFC_SLI_REV4;
3155 /* Set up device INIT API function jump table */
3156 rc = lpfc_init_api_table_setup(phba, dev_grp);
3159 /* Set up SCSI API function jump table */
3160 rc = lpfc_scsi_api_table_setup(phba, dev_grp);
3163 /* Set up SLI API function jump table */
3164 rc = lpfc_sli_api_table_setup(phba, dev_grp);
3167 /* Set up MBOX API function jump table */
3168 rc = lpfc_mbox_api_table_setup(phba, dev_grp);
3176 * lpfc_log_intr_mode - Log the active interrupt mode
3177 * @phba: pointer to lpfc hba data structure.
3178 * @intr_mode: active interrupt mode adopted.
3180 * This routine it invoked to log the currently used active interrupt mode
3183 static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode)
3185 switch (intr_mode) {
3187 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
3188 "0470 Enable INTx interrupt mode.\n");
3191 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
3192 "0481 Enabled MSI interrupt mode.\n");
3195 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
3196 "0480 Enabled MSI-X interrupt mode.\n");
3199 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3200 "0482 Illegal interrupt mode.\n");
3207 * lpfc_enable_pci_dev - Enable a generic PCI device.
3208 * @phba: pointer to lpfc hba data structure.
3210 * This routine is invoked to enable the PCI device that is common to all
3215 * other values - error
3218 lpfc_enable_pci_dev(struct lpfc_hba *phba)
3220 struct pci_dev *pdev;
3223 /* Obtain PCI device reference */
3227 pdev = phba->pcidev;
3228 /* Select PCI BARs */
3229 bars = pci_select_bars(pdev, IORESOURCE_MEM);
3230 /* Enable PCI device */
3231 if (pci_enable_device_mem(pdev))
3233 /* Request PCI resource for the device */
3234 if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME))
3235 goto out_disable_device;
3236 /* Set up device as PCI master and save state for EEH */
3237 pci_set_master(pdev);
3238 pci_try_set_mwi(pdev);
3239 pci_save_state(pdev);
3244 pci_disable_device(pdev);
3250 * lpfc_disable_pci_dev - Disable a generic PCI device.
3251 * @phba: pointer to lpfc hba data structure.
3253 * This routine is invoked to disable the PCI device that is common to all
3257 lpfc_disable_pci_dev(struct lpfc_hba *phba)
3259 struct pci_dev *pdev;
3262 /* Obtain PCI device reference */
3266 pdev = phba->pcidev;
3267 /* Select PCI BARs */
3268 bars = pci_select_bars(pdev, IORESOURCE_MEM);
3269 /* Release PCI resource and disable PCI device */
3270 pci_release_selected_regions(pdev, bars);
3271 pci_disable_device(pdev);
3272 /* Null out PCI private reference to driver */
3273 pci_set_drvdata(pdev, NULL);
3279 * lpfc_reset_hba - Reset a hba
3280 * @phba: pointer to lpfc hba data structure.
3282 * This routine is invoked to reset a hba device. It brings the HBA
3283 * offline, performs a board restart, and then brings the board back
3284 * online. The lpfc_offline calls lpfc_sli_hba_down which will clean up
3285 * on outstanding mailbox commands.
3288 lpfc_reset_hba(struct lpfc_hba *phba)
3290 /* If resets are disabled then set error state and return. */
3291 if (!phba->cfg_enable_hba_reset) {
3292 phba->link_state = LPFC_HBA_ERROR;
3295 lpfc_offline_prep(phba);
3297 lpfc_sli_brdrestart(phba);
3299 lpfc_unblock_mgmt_io(phba);
3303 * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
3304 * @phba: pointer to lpfc hba data structure.
3306 * This routine is invoked to set up the driver internal resources specific to
3307 * support the SLI-3 HBA device it attached to.
3311 * other values - error
3314 lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
3316 struct lpfc_sli *psli;
3319 * Initialize timers used by driver
3322 /* Heartbeat timer */
3323 init_timer(&phba->hb_tmofunc);
3324 phba->hb_tmofunc.function = lpfc_hb_timeout;
3325 phba->hb_tmofunc.data = (unsigned long)phba;
3328 /* MBOX heartbeat timer */
3329 init_timer(&psli->mbox_tmo);
3330 psli->mbox_tmo.function = lpfc_mbox_timeout;
3331 psli->mbox_tmo.data = (unsigned long) phba;
3332 /* FCP polling mode timer */
3333 init_timer(&phba->fcp_poll_timer);
3334 phba->fcp_poll_timer.function = lpfc_poll_timeout;
3335 phba->fcp_poll_timer.data = (unsigned long) phba;
3336 /* Fabric block timer */
3337 init_timer(&phba->fabric_block_timer);
3338 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
3339 phba->fabric_block_timer.data = (unsigned long) phba;
3340 /* EA polling mode timer */
3341 init_timer(&phba->eratt_poll);
3342 phba->eratt_poll.function = lpfc_poll_eratt;
3343 phba->eratt_poll.data = (unsigned long) phba;
3345 /* Host attention work mask setup */
3346 phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT);
3347 phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
3349 /* Get all the module params for configuring this host */
3350 lpfc_get_cfgparam(phba);
3352 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
3353 * used to create the sg_dma_buf_pool must be dynamically calculated.
3354 * 2 segments are added since the IOCB needs a command and response bde.
3356 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
3357 sizeof(struct fcp_rsp) +
3358 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64));
3360 if (phba->cfg_enable_bg) {
3361 phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT;
3362 phba->cfg_sg_dma_buf_size +=
3363 phba->cfg_prot_sg_seg_cnt * sizeof(struct ulp_bde64);
3366 /* Also reinitialize the host templates with new values. */
3367 lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt;
3368 lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt;
3370 phba->max_vpi = LPFC_MAX_VPI;
3371 /* This will be set to correct value after config_port mbox */
3372 phba->max_vports = 0;
3375 * Initialize the SLI Layer to run with lpfc HBAs.
3377 lpfc_sli_setup(phba);
3378 lpfc_sli_queue_setup(phba);
3380 /* Allocate device driver memory */
3381 if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ))
3388 * lpfc_sli_driver_resource_unset - Unset drvr internal resources for SLI3 dev
3389 * @phba: pointer to lpfc hba data structure.
3391 * This routine is invoked to unset the driver internal resources set up
3392 * specific for supporting the SLI-3 HBA device it attached to.
3395 lpfc_sli_driver_resource_unset(struct lpfc_hba *phba)
3397 /* Free device driver memory allocated */
3398 lpfc_mem_free_all(phba);
3404 * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
3405 * @phba: pointer to lpfc hba data structure.
3407 * This routine is invoked to set up the driver internal resources specific to
3408 * support the SLI-4 HBA device it attached to.
3412 * other values - error
3415 lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
3417 struct lpfc_sli *psli;
3421 /* Before proceed, wait for POST done and device ready */
3422 rc = lpfc_sli4_post_status_check(phba);
3427 * Initialize timers used by driver
3430 /* Heartbeat timer */
3431 init_timer(&phba->hb_tmofunc);
3432 phba->hb_tmofunc.function = lpfc_hb_timeout;
3433 phba->hb_tmofunc.data = (unsigned long)phba;
3436 /* MBOX heartbeat timer */
3437 init_timer(&psli->mbox_tmo);
3438 psli->mbox_tmo.function = lpfc_mbox_timeout;
3439 psli->mbox_tmo.data = (unsigned long) phba;
3440 /* Fabric block timer */
3441 init_timer(&phba->fabric_block_timer);
3442 phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
3443 phba->fabric_block_timer.data = (unsigned long) phba;
3444 /* EA polling mode timer */
3445 init_timer(&phba->eratt_poll);
3446 phba->eratt_poll.function = lpfc_poll_eratt;
3447 phba->eratt_poll.data = (unsigned long) phba;
3449 * We need to do a READ_CONFIG mailbox command here before
3450 * calling lpfc_get_cfgparam. For VFs this will report the
3451 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
3452 * All of the resources allocated
3453 * for this Port are tied to these values.
3455 /* Get all the module params for configuring this host */
3456 lpfc_get_cfgparam(phba);
3457 phba->max_vpi = LPFC_MAX_VPI;
3458 /* This will be set to correct value after the read_config mbox */
3459 phba->max_vports = 0;
3461 /* Program the default value of vlan_id and fc_map */
3462 phba->valid_vlan = 0;
3463 phba->fc_map[0] = LPFC_FCOE_FCF_MAP0;
3464 phba->fc_map[1] = LPFC_FCOE_FCF_MAP1;
3465 phba->fc_map[2] = LPFC_FCOE_FCF_MAP2;
3468 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
3469 * used to create the sg_dma_buf_pool must be dynamically calculated.
3470 * 2 segments are added since the IOCB needs a command and response bde.
3471 * To insure that the scsi sgl does not cross a 4k page boundary only
3472 * sgl sizes of 1k, 2k, 4k, and 8k are supported.
3473 * Table of sgl sizes and seg_cnt:
3474 * sgl size, sg_seg_cnt total seg
3479 * cmd(32) + rsp(160) + (52 * sizeof(sli4_sge)) = 1024
3480 * cmd(32) + rsp(160) + (116 * sizeof(sli4_sge)) = 2048
3481 * cmd(32) + rsp(160) + (244 * sizeof(sli4_sge)) = 4096
3482 * cmd(32) + rsp(160) + (500 * sizeof(sli4_sge)) = 8192
3484 if (phba->cfg_sg_seg_cnt <= LPFC_DEFAULT_SG_SEG_CNT)
3485 phba->cfg_sg_seg_cnt = 50;
3486 else if (phba->cfg_sg_seg_cnt <= 114)
3487 phba->cfg_sg_seg_cnt = 114;
3488 else if (phba->cfg_sg_seg_cnt <= 242)
3489 phba->cfg_sg_seg_cnt = 242;
3491 phba->cfg_sg_seg_cnt = 498;
3493 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd)
3494 + sizeof(struct fcp_rsp);
3495 phba->cfg_sg_dma_buf_size +=
3496 ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge));
3498 /* Initialize buffer queue management fields */
3499 hbq_count = lpfc_sli_hbq_count();
3500 for (i = 0; i < hbq_count; ++i)
3501 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
3502 INIT_LIST_HEAD(&phba->rb_pend_list);
3503 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc;
3504 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free;
3507 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
3509 /* Initialize the Abort scsi buffer list used by driver */
3510 spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock);
3511 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
3512 /* This abort list used by worker thread */
3513 spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock);
3516 * Initialize dirver internal slow-path work queues
3519 /* Driver internel slow-path CQ Event pool */
3520 INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool);
3521 /* Response IOCB work queue list */
3522 INIT_LIST_HEAD(&phba->sli4_hba.sp_rspiocb_work_queue);
3523 /* Asynchronous event CQ Event work queue list */
3524 INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue);
3525 /* Fast-path XRI aborted CQ Event work queue list */
3526 INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue);
3527 /* Slow-path XRI aborted CQ Event work queue list */
3528 INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue);
3529 /* Receive queue CQ Event work queue list */
3530 INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue);
3532 /* Initialize the driver internal SLI layer lists. */
3533 lpfc_sli_setup(phba);
3534 lpfc_sli_queue_setup(phba);
3536 /* Allocate device driver memory */
3537 rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ);
3541 /* Create the bootstrap mailbox command */
3542 rc = lpfc_create_bootstrap_mbox(phba);
3546 /* Set up the host's endian order with the device. */
3547 rc = lpfc_setup_endian_order(phba);
3549 goto out_free_bsmbx;
3551 rc = lpfc_sli4_fw_cfg_check(phba);
3553 goto out_free_bsmbx;
3555 /* Set up the hba's configuration parameters. */
3556 rc = lpfc_sli4_read_config(phba);
3558 goto out_free_bsmbx;
3560 /* Perform a function reset */
3561 rc = lpfc_pci_function_reset(phba);
3563 goto out_free_bsmbx;
3565 /* Create all the SLI4 queues */
3566 rc = lpfc_sli4_queue_create(phba);
3568 goto out_free_bsmbx;
3570 /* Create driver internal CQE event pool */
3571 rc = lpfc_sli4_cq_event_pool_create(phba);
3573 goto out_destroy_queue;
3575 /* Initialize and populate the iocb list per host */
3576 rc = lpfc_init_sgl_list(phba);
3578 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3579 "1400 Failed to initialize sgl list.\n");
3580 goto out_destroy_cq_event_pool;
3582 rc = lpfc_init_active_sgl_array(phba);
3584 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3585 "1430 Failed to initialize sgl list.\n");
3586 goto out_free_sgl_list;
3589 rc = lpfc_sli4_init_rpi_hdrs(phba);
3591 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3592 "1432 Failed to initialize rpi headers.\n");
3593 goto out_free_active_sgl;
3596 phba->sli4_hba.fcp_eq_hdl = kzalloc((sizeof(struct lpfc_fcp_eq_hdl) *
3597 phba->cfg_fcp_eq_count), GFP_KERNEL);
3598 if (!phba->sli4_hba.fcp_eq_hdl) {
3599 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3600 "2572 Failed allocate memory for fast-path "
3601 "per-EQ handle array\n");
3602 goto out_remove_rpi_hdrs;
3605 phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
3606 phba->sli4_hba.cfg_eqn), GFP_KERNEL);
3607 if (!phba->sli4_hba.msix_entries) {
3608 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3609 "2573 Failed allocate memory for msi-x "
3610 "interrupt vector entries\n");
3611 goto out_free_fcp_eq_hdl;
3616 out_free_fcp_eq_hdl:
3617 kfree(phba->sli4_hba.fcp_eq_hdl);
3618 out_remove_rpi_hdrs:
3619 lpfc_sli4_remove_rpi_hdrs(phba);
3620 out_free_active_sgl:
3621 lpfc_free_active_sgl(phba);
3623 lpfc_free_sgl_list(phba);
3624 out_destroy_cq_event_pool:
3625 lpfc_sli4_cq_event_pool_destroy(phba);
3627 lpfc_sli4_queue_destroy(phba);
3629 lpfc_destroy_bootstrap_mbox(phba);
3631 lpfc_mem_free(phba);
3636 * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
3637 * @phba: pointer to lpfc hba data structure.
3639 * This routine is invoked to unset the driver internal resources set up
3640 * specific for supporting the SLI-4 HBA device it attached to.
3643 lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
3645 struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
3647 /* unregister default FCFI from the HBA */
3648 lpfc_sli4_fcfi_unreg(phba, phba->fcf.fcfi);
3650 /* Free the default FCR table */
3651 lpfc_sli_remove_dflt_fcf(phba);
3653 /* Free memory allocated for msi-x interrupt vector entries */
3654 kfree(phba->sli4_hba.msix_entries);
3656 /* Free memory allocated for fast-path work queue handles */
3657 kfree(phba->sli4_hba.fcp_eq_hdl);
3659 /* Free the allocated rpi headers. */
3660 lpfc_sli4_remove_rpi_hdrs(phba);
3661 lpfc_sli4_remove_rpis(phba);
3663 /* Free the ELS sgl list */
3664 lpfc_free_active_sgl(phba);
3665 lpfc_free_sgl_list(phba);
3667 /* Free the SCSI sgl management array */
3668 kfree(phba->sli4_hba.lpfc_scsi_psb_array);
3670 /* Free the SLI4 queues */
3671 lpfc_sli4_queue_destroy(phba);
3673 /* Free the completion queue EQ event pool */
3674 lpfc_sli4_cq_event_release_all(phba);
3675 lpfc_sli4_cq_event_pool_destroy(phba);
3677 /* Reset SLI4 HBA FCoE function */
3678 lpfc_pci_function_reset(phba);
3680 /* Free the bsmbx region. */
3681 lpfc_destroy_bootstrap_mbox(phba);
3683 /* Free the SLI Layer memory with SLI4 HBAs */
3684 lpfc_mem_free_all(phba);
3686 /* Free the current connect table */
3687 list_for_each_entry_safe(conn_entry, next_conn_entry,
3688 &phba->fcf_conn_rec_list, list) {
3689 list_del_init(&conn_entry->list);
3697 * lpfc_init_api_table_setup - Set up init api fucntion jump table
3698 * @phba: The hba struct for which this call is being executed.
3699 * @dev_grp: The HBA PCI-Device group number.
3701 * This routine sets up the device INIT interface API function jump table
3704 * Returns: 0 - success, -ENODEV - failure.
3707 lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
3710 case LPFC_PCI_DEV_LP:
3711 phba->lpfc_hba_down_post = lpfc_hba_down_post_s3;
3712 phba->lpfc_handle_eratt = lpfc_handle_eratt_s3;
3713 phba->lpfc_stop_port = lpfc_stop_port_s3;
3715 case LPFC_PCI_DEV_OC:
3716 phba->lpfc_hba_down_post = lpfc_hba_down_post_s4;
3717 phba->lpfc_handle_eratt = lpfc_handle_eratt_s4;
3718 phba->lpfc_stop_port = lpfc_stop_port_s4;
3721 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3722 "1431 Invalid HBA PCI-device group: 0x%x\n",
3731 * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources.
3732 * @phba: pointer to lpfc hba data structure.
3734 * This routine is invoked to set up the driver internal resources before the
3735 * device specific resource setup to support the HBA device it attached to.
3739 * other values - error
3742 lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba)
3745 * Driver resources common to all SLI revisions
3747 atomic_set(&phba->fast_event_count, 0);
3748 spin_lock_init(&phba->hbalock);
3750 /* Initialize ndlp management spinlock */
3751 spin_lock_init(&phba->ndlp_lock);
3753 INIT_LIST_HEAD(&phba->port_list);
3754 INIT_LIST_HEAD(&phba->work_list);
3755 init_waitqueue_head(&phba->wait_4_mlo_m_q);
3757 /* Initialize the wait queue head for the kernel thread */
3758 init_waitqueue_head(&phba->work_waitq);
3760 /* Initialize the scsi buffer list used by driver for scsi IO */
3761 spin_lock_init(&phba->scsi_buf_list_lock);
3762 INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
3764 /* Initialize the fabric iocb list */
3765 INIT_LIST_HEAD(&phba->fabric_iocb_list);
3767 /* Initialize list to save ELS buffers */
3768 INIT_LIST_HEAD(&phba->elsbuf);
3770 /* Initialize FCF connection rec list */
3771 INIT_LIST_HEAD(&phba->fcf_conn_rec_list);
3777 * lpfc_setup_driver_resource_phase2 - Phase2 setup driver internal resources.
3778 * @phba: pointer to lpfc hba data structure.
3780 * This routine is invoked to set up the driver internal resources after the
3781 * device specific resource setup to support the HBA device it attached to.
3785 * other values - error
3788 lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba)
3792 /* Startup the kernel thread for this host adapter. */
3793 phba->worker_thread = kthread_run(lpfc_do_work, phba,
3794 "lpfc_worker_%d", phba->brd_no);
3795 if (IS_ERR(phba->worker_thread)) {
3796 error = PTR_ERR(phba->worker_thread);
3804 * lpfc_unset_driver_resource_phase2 - Phase2 unset driver internal resources.
3805 * @phba: pointer to lpfc hba data structure.
3807 * This routine is invoked to unset the driver internal resources set up after
3808 * the device specific resource setup for supporting the HBA device it
3812 lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba)
3814 /* Stop kernel worker thread */
3815 kthread_stop(phba->worker_thread);
3819 * lpfc_free_iocb_list - Free iocb list.
3820 * @phba: pointer to lpfc hba data structure.
3822 * This routine is invoked to free the driver's IOCB list and memory.
3825 lpfc_free_iocb_list(struct lpfc_hba *phba)
3827 struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL;
3829 spin_lock_irq(&phba->hbalock);
3830 list_for_each_entry_safe(iocbq_entry, iocbq_next,
3831 &phba->lpfc_iocb_list, list) {
3832 list_del(&iocbq_entry->list);
3834 phba->total_iocbq_bufs--;
3836 spin_unlock_irq(&phba->hbalock);
3842 * lpfc_init_iocb_list - Allocate and initialize iocb list.
3843 * @phba: pointer to lpfc hba data structure.
3845 * This routine is invoked to allocate and initizlize the driver's IOCB
3846 * list and set up the IOCB tag array accordingly.
3850 * other values - error
3853 lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count)
3855 struct lpfc_iocbq *iocbq_entry = NULL;
3859 /* Initialize and populate the iocb list per host. */
3860 INIT_LIST_HEAD(&phba->lpfc_iocb_list);
3861 for (i = 0; i < iocb_count; i++) {
3862 iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL);
3863 if (iocbq_entry == NULL) {
3864 printk(KERN_ERR "%s: only allocated %d iocbs of "
3865 "expected %d count. Unloading driver.\n",
3866 __func__, i, LPFC_IOCB_LIST_CNT);
3867 goto out_free_iocbq;
3870 iotag = lpfc_sli_next_iotag(phba, iocbq_entry);
3873 printk(KERN_ERR "%s: failed to allocate IOTAG. "
3874 "Unloading driver.\n", __func__);
3875 goto out_free_iocbq;
3877 iocbq_entry->sli4_xritag = NO_XRI;
3879 spin_lock_irq(&phba->hbalock);
3880 list_add(&iocbq_entry->list, &phba->lpfc_iocb_list);
3881 phba->total_iocbq_bufs++;
3882 spin_unlock_irq(&phba->hbalock);
3888 lpfc_free_iocb_list(phba);
3894 * lpfc_free_sgl_list - Free sgl list.
3895 * @phba: pointer to lpfc hba data structure.
3897 * This routine is invoked to free the driver's sgl list and memory.
3900 lpfc_free_sgl_list(struct lpfc_hba *phba)
3902 struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
3903 LIST_HEAD(sglq_list);
3906 spin_lock_irq(&phba->hbalock);
3907 list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list);
3908 spin_unlock_irq(&phba->hbalock);
3910 list_for_each_entry_safe(sglq_entry, sglq_next,
3912 list_del(&sglq_entry->list);
3913 lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys);
3915 phba->sli4_hba.total_sglq_bufs--;
3917 rc = lpfc_sli4_remove_all_sgl_pages(phba);
3919 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3920 "2005 Unable to deregister pages from HBA: %x", rc);
3922 kfree(phba->sli4_hba.lpfc_els_sgl_array);
3926 * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
3927 * @phba: pointer to lpfc hba data structure.
3929 * This routine is invoked to allocate the driver's active sgl memory.
3930 * This array will hold the sglq_entry's for active IOs.
3933 lpfc_init_active_sgl_array(struct lpfc_hba *phba)
3936 size = sizeof(struct lpfc_sglq *);
3937 size *= phba->sli4_hba.max_cfg_param.max_xri;
3939 phba->sli4_hba.lpfc_sglq_active_list =
3940 kzalloc(size, GFP_KERNEL);
3941 if (!phba->sli4_hba.lpfc_sglq_active_list)
3947 * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
3948 * @phba: pointer to lpfc hba data structure.
3950 * This routine is invoked to walk through the array of active sglq entries
3951 * and free all of the resources.
3952 * This is just a place holder for now.
3955 lpfc_free_active_sgl(struct lpfc_hba *phba)
3957 kfree(phba->sli4_hba.lpfc_sglq_active_list);
3961 * lpfc_init_sgl_list - Allocate and initialize sgl list.
3962 * @phba: pointer to lpfc hba data structure.
3964 * This routine is invoked to allocate and initizlize the driver's sgl
3965 * list and set up the sgl xritag tag array accordingly.
3969 * other values - error
3972 lpfc_init_sgl_list(struct lpfc_hba *phba)
3974 struct lpfc_sglq *sglq_entry = NULL;
3978 els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
3979 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3980 "2400 lpfc_init_sgl_list els %d.\n",
3982 /* Initialize and populate the sglq list per host/VF. */
3983 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list);
3984 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list);
3986 /* Sanity check on XRI management */
3987 if (phba->sli4_hba.max_cfg_param.max_xri <= els_xri_cnt) {
3988 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3989 "2562 No room left for SCSI XRI allocation: "
3990 "max_xri=%d, els_xri=%d\n",
3991 phba->sli4_hba.max_cfg_param.max_xri,
3996 /* Allocate memory for the ELS XRI management array */
3997 phba->sli4_hba.lpfc_els_sgl_array =
3998 kzalloc((sizeof(struct lpfc_sglq *) * els_xri_cnt),
4001 if (!phba->sli4_hba.lpfc_els_sgl_array) {
4002 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4003 "2401 Failed to allocate memory for ELS "
4004 "XRI management array of size %d.\n",
4009 /* Keep the SCSI XRI into the XRI management array */
4010 phba->sli4_hba.scsi_xri_max =
4011 phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt;
4012 phba->sli4_hba.scsi_xri_cnt = 0;
4014 phba->sli4_hba.lpfc_scsi_psb_array =
4015 kzalloc((sizeof(struct lpfc_scsi_buf *) *
4016 phba->sli4_hba.scsi_xri_max), GFP_KERNEL);
4018 if (!phba->sli4_hba.lpfc_scsi_psb_array) {
4019 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4020 "2563 Failed to allocate memory for SCSI "
4021 "XRI management array of size %d.\n",
4022 phba->sli4_hba.scsi_xri_max);
4023 kfree(phba->sli4_hba.lpfc_els_sgl_array);
4027 for (i = 0; i < els_xri_cnt; i++) {
4028 sglq_entry = kzalloc(sizeof(struct lpfc_sglq), GFP_KERNEL);
4029 if (sglq_entry == NULL) {
4030 printk(KERN_ERR "%s: only allocated %d sgls of "
4031 "expected %d count. Unloading driver.\n",
4032 __func__, i, els_xri_cnt);
4036 sglq_entry->sli4_xritag = lpfc_sli4_next_xritag(phba);
4037 if (sglq_entry->sli4_xritag == NO_XRI) {
4039 printk(KERN_ERR "%s: failed to allocate XRI.\n"
4040 "Unloading driver.\n", __func__);
4043 sglq_entry->buff_type = GEN_BUFF_TYPE;
4044 sglq_entry->virt = lpfc_mbuf_alloc(phba, 0, &sglq_entry->phys);
4045 if (sglq_entry->virt == NULL) {
4047 printk(KERN_ERR "%s: failed to allocate mbuf.\n"
4048 "Unloading driver.\n", __func__);
4051 sglq_entry->sgl = sglq_entry->virt;
4052 memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE);
4054 /* The list order is used by later block SGL registraton */
4055 spin_lock_irq(&phba->hbalock);
4056 list_add_tail(&sglq_entry->list, &phba->sli4_hba.lpfc_sgl_list);
4057 phba->sli4_hba.lpfc_els_sgl_array[i] = sglq_entry;
4058 phba->sli4_hba.total_sglq_bufs++;
4059 spin_unlock_irq(&phba->hbalock);
4064 kfree(phba->sli4_hba.lpfc_scsi_psb_array);
4065 lpfc_free_sgl_list(phba);
4070 * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
4071 * @phba: pointer to lpfc hba data structure.
4073 * This routine is invoked to post rpi header templates to the
4074 * HBA consistent with the SLI-4 interface spec. This routine
4075 * posts a PAGE_SIZE memory region to the port to hold up to
4076 * PAGE_SIZE modulo 64 rpi context headers.
4077 * No locks are held here because this is an initialization routine
4078 * called only from probe or lpfc_online when interrupts are not
4079 * enabled and the driver is reinitializing the device.
4083 * ENOMEM - No availble memory
4084 * EIO - The mailbox failed to complete successfully.
4087 lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba)
4092 struct lpfc_rpi_hdr *rpi_hdr;
4094 INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list);
4097 * Provision an rpi bitmask range for discovery. The total count
4098 * is the difference between max and base + 1.
4100 rpi_count = phba->sli4_hba.max_cfg_param.rpi_base +
4101 phba->sli4_hba.max_cfg_param.max_rpi - 1;
4103 longs = ((rpi_count) + BITS_PER_LONG - 1) / BITS_PER_LONG;
4104 phba->sli4_hba.rpi_bmask = kzalloc(longs * sizeof(unsigned long),
4106 if (!phba->sli4_hba.rpi_bmask)
4109 rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
4111 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
4112 "0391 Error during rpi post operation\n");
4113 lpfc_sli4_remove_rpis(phba);
4121 * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
4122 * @phba: pointer to lpfc hba data structure.
4124 * This routine is invoked to allocate a single 4KB memory region to
4125 * support rpis and stores them in the phba. This single region
4126 * provides support for up to 64 rpis. The region is used globally
4130 * A valid rpi hdr on success.
4131 * A NULL pointer on any failure.
4133 struct lpfc_rpi_hdr *
4134 lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
4136 uint16_t rpi_limit, curr_rpi_range;
4137 struct lpfc_dmabuf *dmabuf;
4138 struct lpfc_rpi_hdr *rpi_hdr;
4140 rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base +
4141 phba->sli4_hba.max_cfg_param.max_rpi - 1;
4143 spin_lock_irq(&phba->hbalock);
4144 curr_rpi_range = phba->sli4_hba.next_rpi;
4145 spin_unlock_irq(&phba->hbalock);
4148 * The port has a limited number of rpis. The increment here
4149 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
4150 * and to allow the full max_rpi range per port.
4152 if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit)
4156 * First allocate the protocol header region for the port. The
4157 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
4159 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
4163 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
4164 LPFC_HDR_TEMPLATE_SIZE,
4167 if (!dmabuf->virt) {
4169 goto err_free_dmabuf;
4172 memset(dmabuf->virt, 0, LPFC_HDR_TEMPLATE_SIZE);
4173 if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) {
4175 goto err_free_coherent;
4178 /* Save the rpi header data for cleanup later. */
4179 rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL);
4181 goto err_free_coherent;
4183 rpi_hdr->dmabuf = dmabuf;
4184 rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE;
4185 rpi_hdr->page_count = 1;
4186 spin_lock_irq(&phba->hbalock);
4187 rpi_hdr->start_rpi = phba->sli4_hba.next_rpi;
4188 list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list);
4191 * The next_rpi stores the next module-64 rpi value to post
4192 * in any subsequent rpi memory region postings.
4194 phba->sli4_hba.next_rpi += LPFC_RPI_HDR_COUNT;
4195 spin_unlock_irq(&phba->hbalock);
4199 dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE,
4200 dmabuf->virt, dmabuf->phys);
4207 * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
4208 * @phba: pointer to lpfc hba data structure.
4210 * This routine is invoked to remove all memory resources allocated
4211 * to support rpis. This routine presumes the caller has released all
4212 * rpis consumed by fabric or port logins and is prepared to have
4213 * the header pages removed.
4216 lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba)
4218 struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr;
4220 list_for_each_entry_safe(rpi_hdr, next_rpi_hdr,
4221 &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
4222 list_del(&rpi_hdr->list);
4223 dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len,
4224 rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys);
4225 kfree(rpi_hdr->dmabuf);
4229 phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.rpi_base;
4230 memset(phba->sli4_hba.rpi_bmask, 0, sizeof(*phba->sli4_hba.rpi_bmask));
4234 * lpfc_hba_alloc - Allocate driver hba data structure for a device.
4235 * @pdev: pointer to pci device data structure.
4237 * This routine is invoked to allocate the driver hba data structure for an
4238 * HBA device. If the allocation is successful, the phba reference to the
4239 * PCI device data structure is set.
4242 * pointer to @phba - sucessful
4245 static struct lpfc_hba *
4246 lpfc_hba_alloc(struct pci_dev *pdev)
4248 struct lpfc_hba *phba;
4250 /* Allocate memory for HBA structure */
4251 phba = kzalloc(sizeof(struct lpfc_hba), GFP_KERNEL);
4253 dev_err(&pdev->dev, "failed to allocate hba struct\n");
4257 /* Set reference to PCI device in HBA structure */
4258 phba->pcidev = pdev;
4260 /* Assign an unused board number */
4261 phba->brd_no = lpfc_get_instance();
4262 if (phba->brd_no < 0) {
4267 mutex_init(&phba->ct_event_mutex);
4268 INIT_LIST_HEAD(&phba->ct_ev_waiters);
4274 * lpfc_hba_free - Free driver hba data structure with a device.
4275 * @phba: pointer to lpfc hba data structure.
4277 * This routine is invoked to free the driver hba data structure with an
4281 lpfc_hba_free(struct lpfc_hba *phba)
4283 /* Release the driver assigned board number */
4284 idr_remove(&lpfc_hba_index, phba->brd_no);
4291 * lpfc_create_shost - Create hba physical port with associated scsi host.
4292 * @phba: pointer to lpfc hba data structure.
4294 * This routine is invoked to create HBA physical port and associate a SCSI
4299 * other values - error
4302 lpfc_create_shost(struct lpfc_hba *phba)
4304 struct lpfc_vport *vport;
4305 struct Scsi_Host *shost;
4307 /* Initialize HBA FC structure */
4308 phba->fc_edtov = FF_DEF_EDTOV;
4309 phba->fc_ratov = FF_DEF_RATOV;
4310 phba->fc_altov = FF_DEF_ALTOV;
4311 phba->fc_arbtov = FF_DEF_ARBTOV;
4313 vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev);
4317 shost = lpfc_shost_from_vport(vport);
4318 phba->pport = vport;
4319 lpfc_debugfs_initialize(vport);
4320 /* Put reference to SCSI host to driver's device private data */
4321 pci_set_drvdata(phba->pcidev, shost);
4327 * lpfc_destroy_shost - Destroy hba physical port with associated scsi host.
4328 * @phba: pointer to lpfc hba data structure.
4330 * This routine is invoked to destroy HBA physical port and the associated
4334 lpfc_destroy_shost(struct lpfc_hba *phba)
4336 struct lpfc_vport *vport = phba->pport;
4338 /* Destroy physical port that associated with the SCSI host */
4339 destroy_port(vport);
4345 * lpfc_setup_bg - Setup Block guard structures and debug areas.
4346 * @phba: pointer to lpfc hba data structure.
4347 * @shost: the shost to be used to detect Block guard settings.
4349 * This routine sets up the local Block guard protocol settings for @shost.
4350 * This routine also allocates memory for debugging bg buffers.
4353 lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost)
4356 if (lpfc_prot_mask && lpfc_prot_guard) {
4357 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4358 "1478 Registering BlockGuard with the "
4360 scsi_host_set_prot(shost, lpfc_prot_mask);
4361 scsi_host_set_guard(shost, lpfc_prot_guard);
4363 if (!_dump_buf_data) {
4365 spin_lock_init(&_dump_buf_lock);
4367 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
4368 if (_dump_buf_data) {
4369 printk(KERN_ERR "BLKGRD allocated %d pages for "
4370 "_dump_buf_data at 0x%p\n",
4371 (1 << pagecnt), _dump_buf_data);
4372 _dump_buf_data_order = pagecnt;
4373 memset(_dump_buf_data, 0,
4374 ((1 << PAGE_SHIFT) << pagecnt));
4379 if (!_dump_buf_data_order)
4380 printk(KERN_ERR "BLKGRD ERROR unable to allocate "
4381 "memory for hexdump\n");
4383 printk(KERN_ERR "BLKGRD already allocated _dump_buf_data=0x%p"
4384 "\n", _dump_buf_data);
4385 if (!_dump_buf_dif) {
4388 (char *) __get_free_pages(GFP_KERNEL, pagecnt);
4389 if (_dump_buf_dif) {
4390 printk(KERN_ERR "BLKGRD allocated %d pages for "
4391 "_dump_buf_dif at 0x%p\n",
4392 (1 << pagecnt), _dump_buf_dif);
4393 _dump_buf_dif_order = pagecnt;
4394 memset(_dump_buf_dif, 0,
4395 ((1 << PAGE_SHIFT) << pagecnt));
4400 if (!_dump_buf_dif_order)
4401 printk(KERN_ERR "BLKGRD ERROR unable to allocate "
4402 "memory for hexdump\n");
4404 printk(KERN_ERR "BLKGRD already allocated _dump_buf_dif=0x%p\n",
4409 * lpfc_post_init_setup - Perform necessary device post initialization setup.
4410 * @phba: pointer to lpfc hba data structure.
4412 * This routine is invoked to perform all the necessary post initialization
4413 * setup for the device.
4416 lpfc_post_init_setup(struct lpfc_hba *phba)
4418 struct Scsi_Host *shost;
4419 struct lpfc_adapter_event_header adapter_event;
4421 /* Get the default values for Model Name and Description */
4422 lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
4425 * hba setup may have changed the hba_queue_depth so we need to
4426 * adjust the value of can_queue.
4428 shost = pci_get_drvdata(phba->pcidev);
4429 shost->can_queue = phba->cfg_hba_queue_depth - 10;
4430 if (phba->sli3_options & LPFC_SLI3_BG_ENABLED)
4431 lpfc_setup_bg(phba, shost);
4433 lpfc_host_attrib_init(shost);
4435 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
4436 spin_lock_irq(shost->host_lock);
4437 lpfc_poll_start_timer(phba);
4438 spin_unlock_irq(shost->host_lock);
4441 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4442 "0428 Perform SCSI scan\n");
4443 /* Send board arrival event to upper layer */
4444 adapter_event.event_type = FC_REG_ADAPTER_EVENT;
4445 adapter_event.subcategory = LPFC_EVENT_ARRIVAL;
4446 fc_host_post_vendor_event(shost, fc_get_event_number(),
4447 sizeof(adapter_event),
4448 (char *) &adapter_event,
4454 * lpfc_sli_pci_mem_setup - Setup SLI3 HBA PCI memory space.
4455 * @phba: pointer to lpfc hba data structure.
4457 * This routine is invoked to set up the PCI device memory space for device
4458 * with SLI-3 interface spec.
4462 * other values - error
4465 lpfc_sli_pci_mem_setup(struct lpfc_hba *phba)
4467 struct pci_dev *pdev;
4468 unsigned long bar0map_len, bar2map_len;
4471 int error = -ENODEV;
4473 /* Obtain PCI device reference */
4477 pdev = phba->pcidev;
4479 /* Set the device DMA mask size */
4480 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)
4481 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)
4484 /* Get the bus address of Bar0 and Bar2 and the number of bytes
4485 * required by each mapping.
4487 phba->pci_bar0_map = pci_resource_start(pdev, 0);
4488 bar0map_len = pci_resource_len(pdev, 0);
4490 phba->pci_bar2_map = pci_resource_start(pdev, 2);
4491 bar2map_len = pci_resource_len(pdev, 2);
4493 /* Map HBA SLIM to a kernel virtual address. */
4494 phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
4495 if (!phba->slim_memmap_p) {
4496 dev_printk(KERN_ERR, &pdev->dev,
4497 "ioremap failed for SLIM memory.\n");
4501 /* Map HBA Control Registers to a kernel virtual address. */
4502 phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
4503 if (!phba->ctrl_regs_memmap_p) {
4504 dev_printk(KERN_ERR, &pdev->dev,
4505 "ioremap failed for HBA control registers.\n");
4506 goto out_iounmap_slim;
4509 /* Allocate memory for SLI-2 structures */
4510 phba->slim2p.virt = dma_alloc_coherent(&pdev->dev,
4514 if (!phba->slim2p.virt)
4517 memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE);
4518 phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
4519 phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
4520 phba->IOCBs = (phba->slim2p.virt +
4521 offsetof(struct lpfc_sli2_slim, IOCBs));
4523 phba->hbqslimp.virt = dma_alloc_coherent(&pdev->dev,
4524 lpfc_sli_hbq_size(),
4525 &phba->hbqslimp.phys,
4527 if (!phba->hbqslimp.virt)
4530 hbq_count = lpfc_sli_hbq_count();
4531 ptr = phba->hbqslimp.virt;
4532 for (i = 0; i < hbq_count; ++i) {
4533 phba->hbqs[i].hbq_virt = ptr;
4534 INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
4535 ptr += (lpfc_hbq_defs[i]->entry_count *
4536 sizeof(struct lpfc_hbq_entry));
4538 phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc;
4539 phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free;
4541 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
4543 INIT_LIST_HEAD(&phba->rb_pend_list);
4545 phba->MBslimaddr = phba->slim_memmap_p;
4546 phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
4547 phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
4548 phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
4549 phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
4554 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
4555 phba->slim2p.virt, phba->slim2p.phys);
4557 iounmap(phba->ctrl_regs_memmap_p);
4559 iounmap(phba->slim_memmap_p);
4565 * lpfc_sli_pci_mem_unset - Unset SLI3 HBA PCI memory space.
4566 * @phba: pointer to lpfc hba data structure.
4568 * This routine is invoked to unset the PCI device memory space for device
4569 * with SLI-3 interface spec.
4572 lpfc_sli_pci_mem_unset(struct lpfc_hba *phba)
4574 struct pci_dev *pdev;
4576 /* Obtain PCI device reference */
4580 pdev = phba->pcidev;
4582 /* Free coherent DMA memory allocated */
4583 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
4584 phba->hbqslimp.virt, phba->hbqslimp.phys);
4585 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
4586 phba->slim2p.virt, phba->slim2p.phys);
4588 /* I/O memory unmap */
4589 iounmap(phba->ctrl_regs_memmap_p);
4590 iounmap(phba->slim_memmap_p);
4596 * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
4597 * @phba: pointer to lpfc hba data structure.
4599 * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
4600 * done and check status.
4602 * Return 0 if successful, otherwise -ENODEV.
4605 lpfc_sli4_post_status_check(struct lpfc_hba *phba)
4607 struct lpfc_register sta_reg, uerrlo_reg, uerrhi_reg, scratchpad;
4608 uint32_t onlnreg0, onlnreg1;
4609 int i, port_error = -ENODEV;
4611 if (!phba->sli4_hba.STAregaddr)
4614 /* Wait up to 30 seconds for the SLI Port POST done and ready */
4615 for (i = 0; i < 3000; i++) {
4616 sta_reg.word0 = readl(phba->sli4_hba.STAregaddr);
4617 /* Encounter fatal POST error, break out */
4618 if (bf_get(lpfc_hst_state_perr, &sta_reg)) {
4619 port_error = -ENODEV;
4622 if (LPFC_POST_STAGE_ARMFW_READY ==
4623 bf_get(lpfc_hst_state_port_status, &sta_reg)) {
4631 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4632 "1408 Failure HBA POST Status: sta_reg=0x%x, "
4633 "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, xrom=x%x, "
4634 "dl=x%x, pstatus=x%x\n", sta_reg.word0,
4635 bf_get(lpfc_hst_state_perr, &sta_reg),
4636 bf_get(lpfc_hst_state_sfi, &sta_reg),
4637 bf_get(lpfc_hst_state_nip, &sta_reg),
4638 bf_get(lpfc_hst_state_ipc, &sta_reg),
4639 bf_get(lpfc_hst_state_xrom, &sta_reg),
4640 bf_get(lpfc_hst_state_dl, &sta_reg),
4641 bf_get(lpfc_hst_state_port_status, &sta_reg));
4643 /* Log device information */
4644 scratchpad.word0 = readl(phba->sli4_hba.SCRATCHPADregaddr);
4645 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4646 "2534 Device Info: ChipType=0x%x, SliRev=0x%x, "
4647 "FeatureL1=0x%x, FeatureL2=0x%x\n",
4648 bf_get(lpfc_scratchpad_chiptype, &scratchpad),
4649 bf_get(lpfc_scratchpad_slirev, &scratchpad),
4650 bf_get(lpfc_scratchpad_featurelevel1, &scratchpad),
4651 bf_get(lpfc_scratchpad_featurelevel2, &scratchpad));
4653 /* With uncoverable error, log the error message and return error */
4654 onlnreg0 = readl(phba->sli4_hba.ONLINE0regaddr);
4655 onlnreg1 = readl(phba->sli4_hba.ONLINE1regaddr);
4656 if ((onlnreg0 != LPFC_ONLINE_NERR) || (onlnreg1 != LPFC_ONLINE_NERR)) {
4657 uerrlo_reg.word0 = readl(phba->sli4_hba.UERRLOregaddr);
4658 uerrhi_reg.word0 = readl(phba->sli4_hba.UERRHIregaddr);
4659 if (uerrlo_reg.word0 || uerrhi_reg.word0) {
4660 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4661 "1422 HBA Unrecoverable error: "
4662 "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, "
4663 "online0_reg=0x%x, online1_reg=0x%x\n",
4664 uerrlo_reg.word0, uerrhi_reg.word0,
4665 onlnreg0, onlnreg1);
4674 * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
4675 * @phba: pointer to lpfc hba data structure.
4677 * This routine is invoked to set up SLI4 BAR0 PCI config space register
4681 lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba)
4683 phba->sli4_hba.UERRLOregaddr = phba->sli4_hba.conf_regs_memmap_p +
4684 LPFC_UERR_STATUS_LO;
4685 phba->sli4_hba.UERRHIregaddr = phba->sli4_hba.conf_regs_memmap_p +
4686 LPFC_UERR_STATUS_HI;
4687 phba->sli4_hba.ONLINE0regaddr = phba->sli4_hba.conf_regs_memmap_p +
4689 phba->sli4_hba.ONLINE1regaddr = phba->sli4_hba.conf_regs_memmap_p +
4691 phba->sli4_hba.SCRATCHPADregaddr = phba->sli4_hba.conf_regs_memmap_p +
4696 * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
4697 * @phba: pointer to lpfc hba data structure.
4699 * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
4703 lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba)
4706 phba->sli4_hba.STAregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
4708 phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
4710 phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
4712 phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
4718 * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
4719 * @phba: pointer to lpfc hba data structure.
4720 * @vf: virtual function number
4722 * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
4723 * based on the given viftual function number, @vf.
4725 * Return 0 if successful, otherwise -ENODEV.
4728 lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf)
4730 if (vf > LPFC_VIR_FUNC_MAX)
4733 phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
4734 vf * LPFC_VFR_PAGE_SIZE + LPFC_RQ_DOORBELL);
4735 phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
4736 vf * LPFC_VFR_PAGE_SIZE + LPFC_WQ_DOORBELL);
4737 phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
4738 vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL);
4739 phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
4740 vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL);
4741 phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
4742 vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX);
4747 * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
4748 * @phba: pointer to lpfc hba data structure.
4750 * This routine is invoked to create the bootstrap mailbox
4751 * region consistent with the SLI-4 interface spec. This
4752 * routine allocates all memory necessary to communicate
4753 * mailbox commands to the port and sets up all alignment
4754 * needs. No locks are expected to be held when calling
4759 * ENOMEM - could not allocated memory.
4762 lpfc_create_bootstrap_mbox(struct lpfc_hba *phba)
4765 struct lpfc_dmabuf *dmabuf;
4766 struct dma_address *dma_address;
4770 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
4775 * The bootstrap mailbox region is comprised of 2 parts
4776 * plus an alignment restriction of 16 bytes.
4778 bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1);
4779 dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
4783 if (!dmabuf->virt) {
4787 memset(dmabuf->virt, 0, bmbx_size);
4790 * Initialize the bootstrap mailbox pointers now so that the register
4791 * operations are simple later. The mailbox dma address is required
4792 * to be 16-byte aligned. Also align the virtual memory as each
4793 * maibox is copied into the bmbx mailbox region before issuing the
4794 * command to the port.
4796 phba->sli4_hba.bmbx.dmabuf = dmabuf;
4797 phba->sli4_hba.bmbx.bmbx_size = bmbx_size;
4799 phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt,
4800 LPFC_ALIGN_16_BYTE);
4801 phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys,
4802 LPFC_ALIGN_16_BYTE);
4805 * Set the high and low physical addresses now. The SLI4 alignment
4806 * requirement is 16 bytes and the mailbox is posted to the port
4807 * as two 30-bit addresses. The other data is a bit marking whether
4808 * the 30-bit address is the high or low address.
4809 * Upcast bmbx aphys to 64bits so shift instruction compiles
4810 * clean on 32 bit machines.
4812 dma_address = &phba->sli4_hba.bmbx.dma_address;
4813 phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys;
4814 pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff);
4815 dma_address->addr_hi = (uint32_t) ((pa_addr << 2) |
4816 LPFC_BMBX_BIT1_ADDR_HI);
4818 pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff);
4819 dma_address->addr_lo = (uint32_t) ((pa_addr << 2) |
4820 LPFC_BMBX_BIT1_ADDR_LO);
4825 * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
4826 * @phba: pointer to lpfc hba data structure.
4828 * This routine is invoked to teardown the bootstrap mailbox
4829 * region and release all host resources. This routine requires
4830 * the caller to ensure all mailbox commands recovered, no
4831 * additional mailbox comands are sent, and interrupts are disabled
4832 * before calling this routine.
4836 lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba)
4838 dma_free_coherent(&phba->pcidev->dev,
4839 phba->sli4_hba.bmbx.bmbx_size,
4840 phba->sli4_hba.bmbx.dmabuf->virt,
4841 phba->sli4_hba.bmbx.dmabuf->phys);
4843 kfree(phba->sli4_hba.bmbx.dmabuf);
4844 memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx));
4848 * lpfc_sli4_read_config - Get the config parameters.
4849 * @phba: pointer to lpfc hba data structure.
4851 * This routine is invoked to read the configuration parameters from the HBA.
4852 * The configuration parameters are used to set the base and maximum values
4853 * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
4854 * allocation for the port.
4858 * ENOMEM - No availble memory
4859 * EIO - The mailbox failed to complete successfully.
4862 lpfc_sli4_read_config(struct lpfc_hba *phba)
4865 struct lpfc_mbx_read_config *rd_config;
4868 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4870 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4871 "2011 Unable to allocate memory for issuing "
4872 "SLI_CONFIG_SPECIAL mailbox command\n");
4876 lpfc_read_config(phba, pmb);
4878 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
4879 if (rc != MBX_SUCCESS) {
4880 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4881 "2012 Mailbox failed , mbxCmd x%x "
4882 "READ_CONFIG, mbxStatus x%x\n",
4883 bf_get(lpfc_mqe_command, &pmb->u.mqe),
4884 bf_get(lpfc_mqe_status, &pmb->u.mqe));
4887 rd_config = &pmb->u.mqe.un.rd_config;
4888 phba->sli4_hba.max_cfg_param.max_xri =
4889 bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
4890 phba->sli4_hba.max_cfg_param.xri_base =
4891 bf_get(lpfc_mbx_rd_conf_xri_base, rd_config);
4892 phba->sli4_hba.max_cfg_param.max_vpi =
4893 bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
4894 phba->sli4_hba.max_cfg_param.vpi_base =
4895 bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config);
4896 phba->sli4_hba.max_cfg_param.max_rpi =
4897 bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
4898 phba->sli4_hba.max_cfg_param.rpi_base =
4899 bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config);
4900 phba->sli4_hba.max_cfg_param.max_vfi =
4901 bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config);
4902 phba->sli4_hba.max_cfg_param.vfi_base =
4903 bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config);
4904 phba->sli4_hba.max_cfg_param.max_fcfi =
4905 bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config);
4906 phba->sli4_hba.max_cfg_param.fcfi_base =
4907 bf_get(lpfc_mbx_rd_conf_fcfi_base, rd_config);
4908 phba->sli4_hba.max_cfg_param.max_eq =
4909 bf_get(lpfc_mbx_rd_conf_eq_count, rd_config);
4910 phba->sli4_hba.max_cfg_param.max_rq =
4911 bf_get(lpfc_mbx_rd_conf_rq_count, rd_config);
4912 phba->sli4_hba.max_cfg_param.max_wq =
4913 bf_get(lpfc_mbx_rd_conf_wq_count, rd_config);
4914 phba->sli4_hba.max_cfg_param.max_cq =
4915 bf_get(lpfc_mbx_rd_conf_cq_count, rd_config);
4916 phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config);
4917 phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base;
4918 phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base;
4919 phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base;
4920 phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.rpi_base;
4921 phba->max_vpi = phba->sli4_hba.max_cfg_param.max_vpi;
4922 phba->max_vports = phba->max_vpi;
4923 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4924 "2003 cfg params XRI(B:%d M:%d), "
4928 "FCFI(B:%d M:%d)\n",
4929 phba->sli4_hba.max_cfg_param.xri_base,
4930 phba->sli4_hba.max_cfg_param.max_xri,
4931 phba->sli4_hba.max_cfg_param.vpi_base,
4932 phba->sli4_hba.max_cfg_param.max_vpi,
4933 phba->sli4_hba.max_cfg_param.vfi_base,
4934 phba->sli4_hba.max_cfg_param.max_vfi,
4935 phba->sli4_hba.max_cfg_param.rpi_base,
4936 phba->sli4_hba.max_cfg_param.max_rpi,
4937 phba->sli4_hba.max_cfg_param.fcfi_base,
4938 phba->sli4_hba.max_cfg_param.max_fcfi);
4940 mempool_free(pmb, phba->mbox_mem_pool);
4942 /* Reset the DFT_HBA_Q_DEPTH to the max xri */
4943 if (phba->cfg_hba_queue_depth > (phba->sli4_hba.max_cfg_param.max_xri))
4944 phba->cfg_hba_queue_depth =
4945 phba->sli4_hba.max_cfg_param.max_xri;
4950 * lpfc_dev_endian_order_setup - Notify the port of the host's endian order.
4951 * @phba: pointer to lpfc hba data structure.
4953 * This routine is invoked to setup the host-side endian order to the
4954 * HBA consistent with the SLI-4 interface spec.
4958 * ENOMEM - No availble memory
4959 * EIO - The mailbox failed to complete successfully.
4962 lpfc_setup_endian_order(struct lpfc_hba *phba)
4964 LPFC_MBOXQ_t *mboxq;
4966 uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0,
4967 HOST_ENDIAN_HIGH_WORD1};
4969 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4971 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4972 "0492 Unable to allocate memory for issuing "
4973 "SLI_CONFIG_SPECIAL mailbox command\n");
4978 * The SLI4_CONFIG_SPECIAL mailbox command requires the first two
4979 * words to contain special data values and no other data.
4981 memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
4982 memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data));
4983 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
4984 if (rc != MBX_SUCCESS) {
4985 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4986 "0493 SLI_CONFIG_SPECIAL mailbox failed with "
4992 mempool_free(mboxq, phba->mbox_mem_pool);
4997 * lpfc_sli4_queue_create - Create all the SLI4 queues
4998 * @phba: pointer to lpfc hba data structure.
5000 * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
5001 * operation. For each SLI4 queue type, the parameters such as queue entry
5002 * count (queue depth) shall be taken from the module parameter. For now,
5003 * we just use some constant number as place holder.
5007 * ENOMEM - No availble memory
5008 * EIO - The mailbox failed to complete successfully.
5011 lpfc_sli4_queue_create(struct lpfc_hba *phba)
5013 struct lpfc_queue *qdesc;
5014 int fcp_eqidx, fcp_cqidx, fcp_wqidx;
5015 int cfg_fcp_wq_count;
5016 int cfg_fcp_eq_count;
5019 * Sanity check for confiugred queue parameters against the run-time
5023 /* Sanity check on FCP fast-path WQ parameters */
5024 cfg_fcp_wq_count = phba->cfg_fcp_wq_count;
5025 if (cfg_fcp_wq_count >
5026 (phba->sli4_hba.max_cfg_param.max_wq - LPFC_SP_WQN_DEF)) {
5027 cfg_fcp_wq_count = phba->sli4_hba.max_cfg_param.max_wq -
5029 if (cfg_fcp_wq_count < LPFC_FP_WQN_MIN) {
5030 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5031 "2581 Not enough WQs (%d) from "
5032 "the pci function for supporting "
5034 phba->sli4_hba.max_cfg_param.max_wq,
5035 phba->cfg_fcp_wq_count);
5038 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
5039 "2582 Not enough WQs (%d) from the pci "
5040 "function for supporting the requested "
5041 "FCP WQs (%d), the actual FCP WQs can "
5042 "be supported: %d\n",
5043 phba->sli4_hba.max_cfg_param.max_wq,
5044 phba->cfg_fcp_wq_count, cfg_fcp_wq_count);
5046 /* The actual number of FCP work queues adopted */
5047 phba->cfg_fcp_wq_count = cfg_fcp_wq_count;
5049 /* Sanity check on FCP fast-path EQ parameters */
5050 cfg_fcp_eq_count = phba->cfg_fcp_eq_count;
5051 if (cfg_fcp_eq_count >
5052 (phba->sli4_hba.max_cfg_param.max_eq - LPFC_SP_EQN_DEF)) {
5053 cfg_fcp_eq_count = phba->sli4_hba.max_cfg_param.max_eq -
5055 if (cfg_fcp_eq_count < LPFC_FP_EQN_MIN) {
5056 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5057 "2574 Not enough EQs (%d) from the "
5058 "pci function for supporting FCP "
5060 phba->sli4_hba.max_cfg_param.max_eq,
5061 phba->cfg_fcp_eq_count);
5064 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
5065 "2575 Not enough EQs (%d) from the pci "
5066 "function for supporting the requested "
5067 "FCP EQs (%d), the actual FCP EQs can "
5068 "be supported: %d\n",
5069 phba->sli4_hba.max_cfg_param.max_eq,
5070 phba->cfg_fcp_eq_count, cfg_fcp_eq_count);
5072 /* It does not make sense to have more EQs than WQs */
5073 if (cfg_fcp_eq_count > phba->cfg_fcp_wq_count) {
5074 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
5075 "2593 The number of FCP EQs (%d) is more "
5076 "than the number of FCP WQs (%d), take "
5077 "the number of FCP EQs same as than of "
5078 "WQs (%d)\n", cfg_fcp_eq_count,
5079 phba->cfg_fcp_wq_count,
5080 phba->cfg_fcp_wq_count);
5081 cfg_fcp_eq_count = phba->cfg_fcp_wq_count;
5083 /* The actual number of FCP event queues adopted */
5084 phba->cfg_fcp_eq_count = cfg_fcp_eq_count;
5085 /* The overall number of event queues used */
5086 phba->sli4_hba.cfg_eqn = phba->cfg_fcp_eq_count + LPFC_SP_EQN_DEF;
5089 * Create Event Queues (EQs)
5092 /* Get EQ depth from module parameter, fake the default for now */
5093 phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
5094 phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT;
5096 /* Create slow path event queue */
5097 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
5098 phba->sli4_hba.eq_ecount);
5100 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5101 "0496 Failed allocate slow-path EQ\n");
5104 phba->sli4_hba.sp_eq = qdesc;
5106 /* Create fast-path FCP Event Queue(s) */
5107 phba->sli4_hba.fp_eq = kzalloc((sizeof(struct lpfc_queue *) *
5108 phba->cfg_fcp_eq_count), GFP_KERNEL);
5109 if (!phba->sli4_hba.fp_eq) {
5110 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5111 "2576 Failed allocate memory for fast-path "
5112 "EQ record array\n");
5113 goto out_free_sp_eq;
5115 for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; fcp_eqidx++) {
5116 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
5117 phba->sli4_hba.eq_ecount);
5119 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5120 "0497 Failed allocate fast-path EQ\n");
5121 goto out_free_fp_eq;
5123 phba->sli4_hba.fp_eq[fcp_eqidx] = qdesc;
5127 * Create Complete Queues (CQs)
5130 /* Get CQ depth from module parameter, fake the default for now */
5131 phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
5132 phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;
5134 /* Create slow-path Mailbox Command Complete Queue */
5135 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
5136 phba->sli4_hba.cq_ecount);
5138 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5139 "0500 Failed allocate slow-path mailbox CQ\n");
5140 goto out_free_fp_eq;
5142 phba->sli4_hba.mbx_cq = qdesc;
5144 /* Create slow-path ELS Complete Queue */
5145 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
5146 phba->sli4_hba.cq_ecount);
5148 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5149 "0501 Failed allocate slow-path ELS CQ\n");
5150 goto out_free_mbx_cq;
5152 phba->sli4_hba.els_cq = qdesc;
5155 /* Create fast-path FCP Completion Queue(s), one-to-one with EQs */
5156 phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) *
5157 phba->cfg_fcp_eq_count), GFP_KERNEL);
5158 if (!phba->sli4_hba.fcp_cq) {
5159 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5160 "2577 Failed allocate memory for fast-path "
5161 "CQ record array\n");
5162 goto out_free_els_cq;
5164 for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_eq_count; fcp_cqidx++) {
5165 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
5166 phba->sli4_hba.cq_ecount);
5168 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5169 "0499 Failed allocate fast-path FCP "
5170 "CQ (%d)\n", fcp_cqidx);
5171 goto out_free_fcp_cq;
5173 phba->sli4_hba.fcp_cq[fcp_cqidx] = qdesc;
5176 /* Create Mailbox Command Queue */
5177 phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
5178 phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT;
5180 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize,
5181 phba->sli4_hba.mq_ecount);
5183 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5184 "0505 Failed allocate slow-path MQ\n");
5185 goto out_free_fcp_cq;
5187 phba->sli4_hba.mbx_wq = qdesc;
5190 * Create all the Work Queues (WQs)
5192 phba->sli4_hba.wq_esize = LPFC_WQE_SIZE;
5193 phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT;
5195 /* Create slow-path ELS Work Queue */
5196 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
5197 phba->sli4_hba.wq_ecount);
5199 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5200 "0504 Failed allocate slow-path ELS WQ\n");
5201 goto out_free_mbx_wq;
5203 phba->sli4_hba.els_wq = qdesc;
5205 /* Create fast-path FCP Work Queue(s) */
5206 phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) *
5207 phba->cfg_fcp_wq_count), GFP_KERNEL);
5208 if (!phba->sli4_hba.fcp_wq) {
5209 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5210 "2578 Failed allocate memory for fast-path "
5211 "WQ record array\n");
5212 goto out_free_els_wq;
5214 for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_wq_count; fcp_wqidx++) {
5215 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
5216 phba->sli4_hba.wq_ecount);
5218 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5219 "0503 Failed allocate fast-path FCP "
5220 "WQ (%d)\n", fcp_wqidx);
5221 goto out_free_fcp_wq;
5223 phba->sli4_hba.fcp_wq[fcp_wqidx] = qdesc;
5227 * Create Receive Queue (RQ)
5229 phba->sli4_hba.rq_esize = LPFC_RQE_SIZE;
5230 phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT;
5232 /* Create Receive Queue for header */
5233 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
5234 phba->sli4_hba.rq_ecount);
5236 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5237 "0506 Failed allocate receive HRQ\n");
5238 goto out_free_fcp_wq;
5240 phba->sli4_hba.hdr_rq = qdesc;
5242 /* Create Receive Queue for data */
5243 qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
5244 phba->sli4_hba.rq_ecount);
5246 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5247 "0507 Failed allocate receive DRQ\n");
5248 goto out_free_hdr_rq;
5250 phba->sli4_hba.dat_rq = qdesc;
5255 lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
5256 phba->sli4_hba.hdr_rq = NULL;
5258 for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--) {
5259 lpfc_sli4_queue_free(phba->sli4_hba.fcp_wq[fcp_wqidx]);
5260 phba->sli4_hba.fcp_wq[fcp_wqidx] = NULL;
5262 kfree(phba->sli4_hba.fcp_wq);
5264 lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
5265 phba->sli4_hba.els_wq = NULL;
5267 lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
5268 phba->sli4_hba.mbx_wq = NULL;
5270 for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--) {
5271 lpfc_sli4_queue_free(phba->sli4_hba.fcp_cq[fcp_cqidx]);
5272 phba->sli4_hba.fcp_cq[fcp_cqidx] = NULL;
5274 kfree(phba->sli4_hba.fcp_cq);
5276 lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
5277 phba->sli4_hba.els_cq = NULL;
5279 lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
5280 phba->sli4_hba.mbx_cq = NULL;
5282 for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--) {
5283 lpfc_sli4_queue_free(phba->sli4_hba.fp_eq[fcp_eqidx]);
5284 phba->sli4_hba.fp_eq[fcp_eqidx] = NULL;
5286 kfree(phba->sli4_hba.fp_eq);
5288 lpfc_sli4_queue_free(phba->sli4_hba.sp_eq);
5289 phba->sli4_hba.sp_eq = NULL;
5295 * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
5296 * @phba: pointer to lpfc hba data structure.
5298 * This routine is invoked to release all the SLI4 queues with the FCoE HBA
5303 * ENOMEM - No availble memory
5304 * EIO - The mailbox failed to complete successfully.
5307 lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
5311 /* Release mailbox command work queue */
5312 lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
5313 phba->sli4_hba.mbx_wq = NULL;
5315 /* Release ELS work queue */
5316 lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
5317 phba->sli4_hba.els_wq = NULL;
5319 /* Release FCP work queue */
5320 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_wq_count; fcp_qidx++)
5321 lpfc_sli4_queue_free(phba->sli4_hba.fcp_wq[fcp_qidx]);
5322 kfree(phba->sli4_hba.fcp_wq);
5323 phba->sli4_hba.fcp_wq = NULL;
5325 /* Release unsolicited receive queue */
5326 lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
5327 phba->sli4_hba.hdr_rq = NULL;
5328 lpfc_sli4_queue_free(phba->sli4_hba.dat_rq);
5329 phba->sli4_hba.dat_rq = NULL;
5331 /* Release ELS complete queue */
5332 lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
5333 phba->sli4_hba.els_cq = NULL;
5335 /* Release mailbox command complete queue */
5336 lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
5337 phba->sli4_hba.mbx_cq = NULL;
5339 /* Release FCP response complete queue */
5340 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++)
5341 lpfc_sli4_queue_free(phba->sli4_hba.fcp_cq[fcp_qidx]);
5342 kfree(phba->sli4_hba.fcp_cq);
5343 phba->sli4_hba.fcp_cq = NULL;
5345 /* Release fast-path event queue */
5346 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++)
5347 lpfc_sli4_queue_free(phba->sli4_hba.fp_eq[fcp_qidx]);
5348 kfree(phba->sli4_hba.fp_eq);
5349 phba->sli4_hba.fp_eq = NULL;
5351 /* Release slow-path event queue */
5352 lpfc_sli4_queue_free(phba->sli4_hba.sp_eq);
5353 phba->sli4_hba.sp_eq = NULL;
5359 * lpfc_sli4_queue_setup - Set up all the SLI4 queues
5360 * @phba: pointer to lpfc hba data structure.
5362 * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
5367 * ENOMEM - No availble memory
5368 * EIO - The mailbox failed to complete successfully.
5371 lpfc_sli4_queue_setup(struct lpfc_hba *phba)
5374 int fcp_eqidx, fcp_cqidx, fcp_wqidx;
5375 int fcp_cq_index = 0;
5378 * Set up Event Queues (EQs)
5381 /* Set up slow-path event queue */
5382 if (!phba->sli4_hba.sp_eq) {
5383 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5384 "0520 Slow-path EQ not allocated\n");
5387 rc = lpfc_eq_create(phba, phba->sli4_hba.sp_eq,
5390 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5391 "0521 Failed setup of slow-path EQ: "
5395 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5396 "2583 Slow-path EQ setup: queue-id=%d\n",
5397 phba->sli4_hba.sp_eq->queue_id);
5399 /* Set up fast-path event queue */
5400 for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; fcp_eqidx++) {
5401 if (!phba->sli4_hba.fp_eq[fcp_eqidx]) {
5402 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5403 "0522 Fast-path EQ (%d) not "
5404 "allocated\n", fcp_eqidx);
5405 goto out_destroy_fp_eq;
5407 rc = lpfc_eq_create(phba, phba->sli4_hba.fp_eq[fcp_eqidx],
5408 phba->cfg_fcp_imax);
5410 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5411 "0523 Failed setup of fast-path EQ "
5412 "(%d), rc = 0x%x\n", fcp_eqidx, rc);
5413 goto out_destroy_fp_eq;
5415 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5416 "2584 Fast-path EQ setup: "
5417 "queue[%d]-id=%d\n", fcp_eqidx,
5418 phba->sli4_hba.fp_eq[fcp_eqidx]->queue_id);
5422 * Set up Complete Queues (CQs)
5425 /* Set up slow-path MBOX Complete Queue as the first CQ */
5426 if (!phba->sli4_hba.mbx_cq) {
5427 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5428 "0528 Mailbox CQ not allocated\n");
5429 goto out_destroy_fp_eq;
5431 rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq, phba->sli4_hba.sp_eq,
5432 LPFC_MCQ, LPFC_MBOX);
5434 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5435 "0529 Failed setup of slow-path mailbox CQ: "
5437 goto out_destroy_fp_eq;
5439 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5440 "2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
5441 phba->sli4_hba.mbx_cq->queue_id,
5442 phba->sli4_hba.sp_eq->queue_id);
5444 /* Set up slow-path ELS Complete Queue */
5445 if (!phba->sli4_hba.els_cq) {
5446 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5447 "0530 ELS CQ not allocated\n");
5448 goto out_destroy_mbx_cq;
5450 rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq, phba->sli4_hba.sp_eq,
5451 LPFC_WCQ, LPFC_ELS);
5453 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5454 "0531 Failed setup of slow-path ELS CQ: "
5456 goto out_destroy_mbx_cq;
5458 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5459 "2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
5460 phba->sli4_hba.els_cq->queue_id,
5461 phba->sli4_hba.sp_eq->queue_id);
5463 /* Set up fast-path FCP Response Complete Queue */
5464 for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_eq_count; fcp_cqidx++) {
5465 if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) {
5466 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5467 "0526 Fast-path FCP CQ (%d) not "
5468 "allocated\n", fcp_cqidx);
5469 goto out_destroy_fcp_cq;
5471 rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx],
5472 phba->sli4_hba.fp_eq[fcp_cqidx],
5473 LPFC_WCQ, LPFC_FCP);
5475 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5476 "0527 Failed setup of fast-path FCP "
5477 "CQ (%d), rc = 0x%x\n", fcp_cqidx, rc);
5478 goto out_destroy_fcp_cq;
5480 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5481 "2588 FCP CQ setup: cq[%d]-id=%d, "
5482 "parent eq[%d]-id=%d\n",
5484 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id,
5486 phba->sli4_hba.fp_eq[fcp_cqidx]->queue_id);
5490 * Set up all the Work Queues (WQs)
5493 /* Set up Mailbox Command Queue */
5494 if (!phba->sli4_hba.mbx_wq) {
5495 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5496 "0538 Slow-path MQ not allocated\n");
5497 goto out_destroy_fcp_cq;
5499 rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq,
5500 phba->sli4_hba.mbx_cq, LPFC_MBOX);
5502 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5503 "0539 Failed setup of slow-path MQ: "
5505 goto out_destroy_fcp_cq;
5507 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5508 "2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
5509 phba->sli4_hba.mbx_wq->queue_id,
5510 phba->sli4_hba.mbx_cq->queue_id);
5512 /* Set up slow-path ELS Work Queue */
5513 if (!phba->sli4_hba.els_wq) {
5514 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5515 "0536 Slow-path ELS WQ not allocated\n");
5516 goto out_destroy_mbx_wq;
5518 rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq,
5519 phba->sli4_hba.els_cq, LPFC_ELS);
5521 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5522 "0537 Failed setup of slow-path ELS WQ: "
5524 goto out_destroy_mbx_wq;
5526 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5527 "2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
5528 phba->sli4_hba.els_wq->queue_id,
5529 phba->sli4_hba.els_cq->queue_id);
5531 /* Set up fast-path FCP Work Queue */
5532 for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_wq_count; fcp_wqidx++) {
5533 if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) {
5534 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5535 "0534 Fast-path FCP WQ (%d) not "
5536 "allocated\n", fcp_wqidx);
5537 goto out_destroy_fcp_wq;
5539 rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx],
5540 phba->sli4_hba.fcp_cq[fcp_cq_index],
5543 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5544 "0535 Failed setup of fast-path FCP "
5545 "WQ (%d), rc = 0x%x\n", fcp_wqidx, rc);
5546 goto out_destroy_fcp_wq;
5548 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5549 "2591 FCP WQ setup: wq[%d]-id=%d, "
5550 "parent cq[%d]-id=%d\n",
5552 phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id,
5554 phba->sli4_hba.fcp_cq[fcp_cq_index]->queue_id);
5555 /* Round robin FCP Work Queue's Completion Queue assignment */
5556 fcp_cq_index = ((fcp_cq_index + 1) % phba->cfg_fcp_eq_count);
5560 * Create Receive Queue (RQ)
5562 if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) {
5563 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5564 "0540 Receive Queue not allocated\n");
5565 goto out_destroy_fcp_wq;
5567 rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
5568 phba->sli4_hba.els_cq, LPFC_USOL);
5570 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5571 "0541 Failed setup of Receive Queue: "
5573 goto out_destroy_fcp_wq;
5575 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
5576 "2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
5577 "parent cq-id=%d\n",
5578 phba->sli4_hba.hdr_rq->queue_id,
5579 phba->sli4_hba.dat_rq->queue_id,
5580 phba->sli4_hba.els_cq->queue_id);
5584 for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--)
5585 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]);
5586 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
5588 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
5590 for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--)
5591 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]);
5592 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
5594 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
5596 for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--)
5597 lpfc_eq_destroy(phba, phba->sli4_hba.fp_eq[fcp_eqidx]);
5598 lpfc_eq_destroy(phba, phba->sli4_hba.sp_eq);
5604 * lpfc_sli4_queue_unset - Unset all the SLI4 queues
5605 * @phba: pointer to lpfc hba data structure.
5607 * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
5612 * ENOMEM - No availble memory
5613 * EIO - The mailbox failed to complete successfully.
5616 lpfc_sli4_queue_unset(struct lpfc_hba *phba)
5620 /* Unset mailbox command work queue */
5621 lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
5622 /* Unset ELS work queue */
5623 lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
5624 /* Unset unsolicited receive queue */
5625 lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
5626 /* Unset FCP work queue */
5627 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_wq_count; fcp_qidx++)
5628 lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]);
5629 /* Unset mailbox command complete queue */
5630 lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
5631 /* Unset ELS complete queue */
5632 lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
5633 /* Unset FCP response complete queue */
5634 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++)
5635 lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]);
5636 /* Unset fast-path event queue */
5637 for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++)
5638 lpfc_eq_destroy(phba, phba->sli4_hba.fp_eq[fcp_qidx]);
5639 /* Unset slow-path event queue */
5640 lpfc_eq_destroy(phba, phba->sli4_hba.sp_eq);
5644 * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
5645 * @phba: pointer to lpfc hba data structure.
5647 * This routine is invoked to allocate and set up a pool of completion queue
5648 * events. The body of the completion queue event is a completion queue entry
5649 * CQE. For now, this pool is used for the interrupt service routine to queue
5650 * the following HBA completion queue events for the worker thread to process:
5651 * - Mailbox asynchronous events
5652 * - Receive queue completion unsolicited events
5653 * Later, this can be used for all the slow-path events.
5657 * -ENOMEM - No availble memory
5660 lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba)
5662 struct lpfc_cq_event *cq_event;
5665 for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) {
5666 cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL);
5668 goto out_pool_create_fail;
5669 list_add_tail(&cq_event->list,
5670 &phba->sli4_hba.sp_cqe_event_pool);
5674 out_pool_create_fail:
5675 lpfc_sli4_cq_event_pool_destroy(phba);
5680 * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
5681 * @phba: pointer to lpfc hba data structure.
5683 * This routine is invoked to free the pool of completion queue events at
5684 * driver unload time. Note that, it is the responsibility of the driver
5685 * cleanup routine to free all the outstanding completion-queue events
5686 * allocated from this pool back into the pool before invoking this routine
5687 * to destroy the pool.
5690 lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba)
5692 struct lpfc_cq_event *cq_event, *next_cq_event;
5694 list_for_each_entry_safe(cq_event, next_cq_event,
5695 &phba->sli4_hba.sp_cqe_event_pool, list) {
5696 list_del(&cq_event->list);
5702 * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
5703 * @phba: pointer to lpfc hba data structure.
5705 * This routine is the lock free version of the API invoked to allocate a
5706 * completion-queue event from the free pool.
5708 * Return: Pointer to the newly allocated completion-queue event if successful
5711 struct lpfc_cq_event *
5712 __lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
5714 struct lpfc_cq_event *cq_event = NULL;
5716 list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event,
5717 struct lpfc_cq_event, list);
5722 * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
5723 * @phba: pointer to lpfc hba data structure.
5725 * This routine is the lock version of the API invoked to allocate a
5726 * completion-queue event from the free pool.
5728 * Return: Pointer to the newly allocated completion-queue event if successful
5731 struct lpfc_cq_event *
5732 lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
5734 struct lpfc_cq_event *cq_event;
5735 unsigned long iflags;
5737 spin_lock_irqsave(&phba->hbalock, iflags);
5738 cq_event = __lpfc_sli4_cq_event_alloc(phba);
5739 spin_unlock_irqrestore(&phba->hbalock, iflags);
5744 * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
5745 * @phba: pointer to lpfc hba data structure.
5746 * @cq_event: pointer to the completion queue event to be freed.
5748 * This routine is the lock free version of the API invoked to release a
5749 * completion-queue event back into the free pool.
5752 __lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
5753 struct lpfc_cq_event *cq_event)
5755 list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool);
5759 * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
5760 * @phba: pointer to lpfc hba data structure.
5761 * @cq_event: pointer to the completion queue event to be freed.
5763 * This routine is the lock version of the API invoked to release a
5764 * completion-queue event back into the free pool.
5767 lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
5768 struct lpfc_cq_event *cq_event)
5770 unsigned long iflags;
5771 spin_lock_irqsave(&phba->hbalock, iflags);
5772 __lpfc_sli4_cq_event_release(phba, cq_event);
5773 spin_unlock_irqrestore(&phba->hbalock, iflags);
5777 * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
5778 * @phba: pointer to lpfc hba data structure.
5780 * This routine is to free all the pending completion-queue events to the
5781 * back into the free pool for device reset.
5784 lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba)
5787 struct lpfc_cq_event *cqe;
5788 unsigned long iflags;
5790 /* Retrieve all the pending WCQEs from pending WCQE lists */
5791 spin_lock_irqsave(&phba->hbalock, iflags);
5792 /* Pending FCP XRI abort events */
5793 list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue,
5795 /* Pending ELS XRI abort events */
5796 list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue,
5798 /* Pending asynnc events */
5799 list_splice_init(&phba->sli4_hba.sp_asynce_work_queue,
5801 spin_unlock_irqrestore(&phba->hbalock, iflags);
5803 while (!list_empty(&cqelist)) {
5804 list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list);
5805 lpfc_sli4_cq_event_release(phba, cqe);
5810 * lpfc_pci_function_reset - Reset pci function.
5811 * @phba: pointer to lpfc hba data structure.
5813 * This routine is invoked to request a PCI function reset. It will destroys
5814 * all resources assigned to the PCI function which originates this request.
5818 * ENOMEM - No availble memory
5819 * EIO - The mailbox failed to complete successfully.
5822 lpfc_pci_function_reset(struct lpfc_hba *phba)
5824 LPFC_MBOXQ_t *mboxq;
5826 uint32_t shdr_status, shdr_add_status;
5827 union lpfc_sli4_cfg_shdr *shdr;
5829 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
5831 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5832 "0494 Unable to allocate memory for issuing "
5833 "SLI_FUNCTION_RESET mailbox command\n");
5837 /* Set up PCI function reset SLI4_CONFIG mailbox-ioctl command */
5838 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
5839 LPFC_MBOX_OPCODE_FUNCTION_RESET, 0,
5840 LPFC_SLI4_MBX_EMBED);
5841 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
5842 shdr = (union lpfc_sli4_cfg_shdr *)
5843 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
5844 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
5845 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
5846 if (rc != MBX_TIMEOUT)
5847 mempool_free(mboxq, phba->mbox_mem_pool);
5848 if (shdr_status || shdr_add_status || rc) {
5849 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5850 "0495 SLI_FUNCTION_RESET mailbox failed with "
5851 "status x%x add_status x%x, mbx status x%x\n",
5852 shdr_status, shdr_add_status, rc);
5859 * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands
5860 * @phba: pointer to lpfc hba data structure.
5861 * @cnt: number of nop mailbox commands to send.
5863 * This routine is invoked to send a number @cnt of NOP mailbox command and
5864 * wait for each command to complete.
5866 * Return: the number of NOP mailbox command completed.
5869 lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba *phba, uint32_t cnt)
5871 LPFC_MBOXQ_t *mboxq;
5872 int length, cmdsent;
5875 uint32_t shdr_status, shdr_add_status;
5876 union lpfc_sli4_cfg_shdr *shdr;
5879 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
5880 "2518 Requested to send 0 NOP mailbox cmd\n");
5884 mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
5886 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5887 "2519 Unable to allocate memory for issuing "
5888 "NOP mailbox command\n");
5892 /* Set up NOP SLI4_CONFIG mailbox-ioctl command */
5893 length = (sizeof(struct lpfc_mbx_nop) -
5894 sizeof(struct lpfc_sli4_cfg_mhdr));
5895 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
5896 LPFC_MBOX_OPCODE_NOP, length, LPFC_SLI4_MBX_EMBED);
5898 mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
5899 for (cmdsent = 0; cmdsent < cnt; cmdsent++) {
5900 if (!phba->sli4_hba.intr_enable)
5901 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
5903 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
5904 if (rc == MBX_TIMEOUT)
5906 /* Check return status */
5907 shdr = (union lpfc_sli4_cfg_shdr *)
5908 &mboxq->u.mqe.un.sli4_config.header.cfg_shdr;
5909 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
5910 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
5912 if (shdr_status || shdr_add_status || rc) {
5913 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
5914 "2520 NOP mailbox command failed "
5915 "status x%x add_status x%x mbx "
5916 "status x%x\n", shdr_status,
5917 shdr_add_status, rc);
5922 if (rc != MBX_TIMEOUT)
5923 mempool_free(mboxq, phba->mbox_mem_pool);
5929 * lpfc_sli4_fcfi_unreg - Unregister fcfi to device
5930 * @phba: pointer to lpfc hba data structure.
5933 * This routine is invoked to unregister a FCFI from device.
5936 lpfc_sli4_fcfi_unreg(struct lpfc_hba *phba, uint16_t fcfi)
5941 unsigned long flags;
5943 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
5948 lpfc_unreg_fcfi(mbox, fcfi);
5950 if (!phba->sli4_hba.intr_enable)
5951 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
5953 mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
5954 rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
5956 if (rc != MBX_TIMEOUT)
5957 mempool_free(mbox, phba->mbox_mem_pool);
5958 if (rc != MBX_SUCCESS)
5959 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
5960 "2517 Unregister FCFI command failed "
5961 "status %d, mbxStatus x%x\n", rc,
5962 bf_get(lpfc_mqe_status, &mbox->u.mqe));
5964 spin_lock_irqsave(&phba->hbalock, flags);
5965 /* Mark the FCFI is no longer registered */
5966 phba->fcf.fcf_flag &=
5967 ~(FCF_AVAILABLE | FCF_REGISTERED | FCF_DISCOVERED);
5968 spin_unlock_irqrestore(&phba->hbalock, flags);
5973 * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
5974 * @phba: pointer to lpfc hba data structure.
5976 * This routine is invoked to set up the PCI device memory space for device
5977 * with SLI-4 interface spec.
5981 * other values - error
5984 lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
5986 struct pci_dev *pdev;
5987 unsigned long bar0map_len, bar1map_len, bar2map_len;
5988 int error = -ENODEV;
5990 /* Obtain PCI device reference */
5994 pdev = phba->pcidev;
5996 /* Set the device DMA mask size */
5997 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)
5998 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)
6001 /* Get the bus address of SLI4 device Bar0, Bar1, and Bar2 and the
6002 * number of bytes required by each mapping. They are actually
6003 * mapping to the PCI BAR regions 1, 2, and 4 by the SLI4 device.
6005 phba->pci_bar0_map = pci_resource_start(pdev, LPFC_SLI4_BAR0);
6006 bar0map_len = pci_resource_len(pdev, LPFC_SLI4_BAR0);
6008 phba->pci_bar1_map = pci_resource_start(pdev, LPFC_SLI4_BAR1);
6009 bar1map_len = pci_resource_len(pdev, LPFC_SLI4_BAR1);
6011 phba->pci_bar2_map = pci_resource_start(pdev, LPFC_SLI4_BAR2);
6012 bar2map_len = pci_resource_len(pdev, LPFC_SLI4_BAR2);
6014 /* Map SLI4 PCI Config Space Register base to a kernel virtual addr */
6015 phba->sli4_hba.conf_regs_memmap_p =
6016 ioremap(phba->pci_bar0_map, bar0map_len);
6017 if (!phba->sli4_hba.conf_regs_memmap_p) {
6018 dev_printk(KERN_ERR, &pdev->dev,
6019 "ioremap failed for SLI4 PCI config registers.\n");
6023 /* Map SLI4 HBA Control Register base to a kernel virtual address. */
6024 phba->sli4_hba.ctrl_regs_memmap_p =
6025 ioremap(phba->pci_bar1_map, bar1map_len);
6026 if (!phba->sli4_hba.ctrl_regs_memmap_p) {
6027 dev_printk(KERN_ERR, &pdev->dev,
6028 "ioremap failed for SLI4 HBA control registers.\n");
6029 goto out_iounmap_conf;
6032 /* Map SLI4 HBA Doorbell Register base to a kernel virtual address. */
6033 phba->sli4_hba.drbl_regs_memmap_p =
6034 ioremap(phba->pci_bar2_map, bar2map_len);
6035 if (!phba->sli4_hba.drbl_regs_memmap_p) {
6036 dev_printk(KERN_ERR, &pdev->dev,
6037 "ioremap failed for SLI4 HBA doorbell registers.\n");
6038 goto out_iounmap_ctrl;
6041 /* Set up BAR0 PCI config space register memory map */
6042 lpfc_sli4_bar0_register_memmap(phba);
6044 /* Set up BAR1 register memory map */
6045 lpfc_sli4_bar1_register_memmap(phba);
6047 /* Set up BAR2 register memory map */
6048 error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0);
6050 goto out_iounmap_all;
6055 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
6057 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
6059 iounmap(phba->sli4_hba.conf_regs_memmap_p);
6065 * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
6066 * @phba: pointer to lpfc hba data structure.
6068 * This routine is invoked to unset the PCI device memory space for device
6069 * with SLI-4 interface spec.
6072 lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba)
6074 struct pci_dev *pdev;
6076 /* Obtain PCI device reference */
6080 pdev = phba->pcidev;
6082 /* Free coherent DMA memory allocated */
6084 /* Unmap I/O memory space */
6085 iounmap(phba->sli4_hba.drbl_regs_memmap_p);
6086 iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
6087 iounmap(phba->sli4_hba.conf_regs_memmap_p);
6093 * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
6094 * @phba: pointer to lpfc hba data structure.
6096 * This routine is invoked to enable the MSI-X interrupt vectors to device
6097 * with SLI-3 interface specs. The kernel function pci_enable_msix() is
6098 * called to enable the MSI-X vectors. Note that pci_enable_msix(), once
6099 * invoked, enables either all or nothing, depending on the current
6100 * availability of PCI vector resources. The device driver is responsible
6101 * for calling the individual request_irq() to register each MSI-X vector
6102 * with a interrupt handler, which is done in this function. Note that
6103 * later when device is unloading, the driver should always call free_irq()
6104 * on all MSI-X vectors it has done request_irq() on before calling
6105 * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
6106 * will be left with MSI-X enabled and leaks its vectors.
6110 * other values - error
6113 lpfc_sli_enable_msix(struct lpfc_hba *phba)
6118 /* Set up MSI-X multi-message vectors */
6119 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
6120 phba->msix_entries[i].entry = i;
6122 /* Configure MSI-X capability structure */
6123 rc = pci_enable_msix(phba->pcidev, phba->msix_entries,
6124 ARRAY_SIZE(phba->msix_entries));
6126 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6127 "0420 PCI enable MSI-X failed (%d)\n", rc);
6130 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
6131 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6132 "0477 MSI-X entry[%d]: vector=x%x "
6134 phba->msix_entries[i].vector,
6135 phba->msix_entries[i].entry);
6137 * Assign MSI-X vectors to interrupt handlers
6140 /* vector-0 is associated to slow-path handler */
6141 rc = request_irq(phba->msix_entries[0].vector,
6142 &lpfc_sli_sp_intr_handler, IRQF_SHARED,
6143 LPFC_SP_DRIVER_HANDLER_NAME, phba);
6145 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6146 "0421 MSI-X slow-path request_irq failed "
6151 /* vector-1 is associated to fast-path handler */
6152 rc = request_irq(phba->msix_entries[1].vector,
6153 &lpfc_sli_fp_intr_handler, IRQF_SHARED,
6154 LPFC_FP_DRIVER_HANDLER_NAME, phba);
6157 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6158 "0429 MSI-X fast-path request_irq failed "
6164 * Configure HBA MSI-X attention conditions to messages
6166 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
6170 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6171 "0474 Unable to allocate memory for issuing "
6172 "MBOX_CONFIG_MSI command\n");
6175 rc = lpfc_config_msi(phba, pmb);
6178 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
6179 if (rc != MBX_SUCCESS) {
6180 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
6181 "0351 Config MSI mailbox command failed, "
6182 "mbxCmd x%x, mbxStatus x%x\n",
6183 pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus);
6187 /* Free memory allocated for mailbox command */
6188 mempool_free(pmb, phba->mbox_mem_pool);
6192 /* Free memory allocated for mailbox command */
6193 mempool_free(pmb, phba->mbox_mem_pool);
6196 /* free the irq already requested */
6197 free_irq(phba->msix_entries[1].vector, phba);
6200 /* free the irq already requested */
6201 free_irq(phba->msix_entries[0].vector, phba);
6204 /* Unconfigure MSI-X capability structure */
6205 pci_disable_msix(phba->pcidev);
6210 * lpfc_sli_disable_msix - Disable MSI-X interrupt mode on SLI-3 device.
6211 * @phba: pointer to lpfc hba data structure.
6213 * This routine is invoked to release the MSI-X vectors and then disable the
6214 * MSI-X interrupt mode to device with SLI-3 interface spec.
6217 lpfc_sli_disable_msix(struct lpfc_hba *phba)
6221 /* Free up MSI-X multi-message vectors */
6222 for (i = 0; i < LPFC_MSIX_VECTORS; i++)
6223 free_irq(phba->msix_entries[i].vector, phba);
6225 pci_disable_msix(phba->pcidev);
6231 * lpfc_sli_enable_msi - Enable MSI interrupt mode on SLI-3 device.
6232 * @phba: pointer to lpfc hba data structure.
6234 * This routine is invoked to enable the MSI interrupt mode to device with
6235 * SLI-3 interface spec. The kernel function pci_enable_msi() is called to
6236 * enable the MSI vector. The device driver is responsible for calling the
6237 * request_irq() to register MSI vector with a interrupt the handler, which
6238 * is done in this function.
6242 * other values - error
6245 lpfc_sli_enable_msi(struct lpfc_hba *phba)
6249 rc = pci_enable_msi(phba->pcidev);
6251 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6252 "0462 PCI enable MSI mode success.\n");
6254 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6255 "0471 PCI enable MSI mode failed (%d)\n", rc);
6259 rc = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
6260 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
6262 pci_disable_msi(phba->pcidev);
6263 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6264 "0478 MSI request_irq failed (%d)\n", rc);
6270 * lpfc_sli_disable_msi - Disable MSI interrupt mode to SLI-3 device.
6271 * @phba: pointer to lpfc hba data structure.
6273 * This routine is invoked to disable the MSI interrupt mode to device with
6274 * SLI-3 interface spec. The driver calls free_irq() on MSI vector it has
6275 * done request_irq() on before calling pci_disable_msi(). Failure to do so
6276 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
6280 lpfc_sli_disable_msi(struct lpfc_hba *phba)
6282 free_irq(phba->pcidev->irq, phba);
6283 pci_disable_msi(phba->pcidev);
6288 * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device.
6289 * @phba: pointer to lpfc hba data structure.
6291 * This routine is invoked to enable device interrupt and associate driver's
6292 * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface
6293 * spec. Depends on the interrupt mode configured to the driver, the driver
6294 * will try to fallback from the configured interrupt mode to an interrupt
6295 * mode which is supported by the platform, kernel, and device in the order
6297 * MSI-X -> MSI -> IRQ.
6301 * other values - error
6304 lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
6306 uint32_t intr_mode = LPFC_INTR_ERROR;
6309 if (cfg_mode == 2) {
6310 /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
6311 retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3);
6313 /* Now, try to enable MSI-X interrupt mode */
6314 retval = lpfc_sli_enable_msix(phba);
6316 /* Indicate initialization to MSI-X mode */
6317 phba->intr_type = MSIX;
6323 /* Fallback to MSI if MSI-X initialization failed */
6324 if (cfg_mode >= 1 && phba->intr_type == NONE) {
6325 retval = lpfc_sli_enable_msi(phba);
6327 /* Indicate initialization to MSI mode */
6328 phba->intr_type = MSI;
6333 /* Fallback to INTx if both MSI-X/MSI initalization failed */
6334 if (phba->intr_type == NONE) {
6335 retval = request_irq(phba->pcidev->irq, lpfc_sli_intr_handler,
6336 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
6338 /* Indicate initialization to INTx mode */
6339 phba->intr_type = INTx;
6347 * lpfc_sli_disable_intr - Disable device interrupt to SLI-3 device.
6348 * @phba: pointer to lpfc hba data structure.
6350 * This routine is invoked to disable device interrupt and disassociate the
6351 * driver's interrupt handler(s) from interrupt vector(s) to device with
6352 * SLI-3 interface spec. Depending on the interrupt mode, the driver will
6353 * release the interrupt vector(s) for the message signaled interrupt.
6356 lpfc_sli_disable_intr(struct lpfc_hba *phba)
6358 /* Disable the currently initialized interrupt mode */
6359 if (phba->intr_type == MSIX)
6360 lpfc_sli_disable_msix(phba);
6361 else if (phba->intr_type == MSI)
6362 lpfc_sli_disable_msi(phba);
6363 else if (phba->intr_type == INTx)
6364 free_irq(phba->pcidev->irq, phba);
6366 /* Reset interrupt management states */
6367 phba->intr_type = NONE;
6368 phba->sli.slistat.sli_intr = 0;
6374 * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
6375 * @phba: pointer to lpfc hba data structure.
6377 * This routine is invoked to enable the MSI-X interrupt vectors to device
6378 * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
6379 * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
6380 * enables either all or nothing, depending on the current availability of
6381 * PCI vector resources. The device driver is responsible for calling the
6382 * individual request_irq() to register each MSI-X vector with a interrupt
6383 * handler, which is done in this function. Note that later when device is
6384 * unloading, the driver should always call free_irq() on all MSI-X vectors
6385 * it has done request_irq() on before calling pci_disable_msix(). Failure
6386 * to do so results in a BUG_ON() and a device will be left with MSI-X
6387 * enabled and leaks its vectors.
6391 * other values - error
6394 lpfc_sli4_enable_msix(struct lpfc_hba *phba)
6398 /* Set up MSI-X multi-message vectors */
6399 for (index = 0; index < phba->sli4_hba.cfg_eqn; index++)
6400 phba->sli4_hba.msix_entries[index].entry = index;
6402 /* Configure MSI-X capability structure */
6403 rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries,
6404 phba->sli4_hba.cfg_eqn);
6406 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6407 "0484 PCI enable MSI-X failed (%d)\n", rc);
6410 /* Log MSI-X vector assignment */
6411 for (index = 0; index < phba->sli4_hba.cfg_eqn; index++)
6412 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6413 "0489 MSI-X entry[%d]: vector=x%x "
6414 "message=%d\n", index,
6415 phba->sli4_hba.msix_entries[index].vector,
6416 phba->sli4_hba.msix_entries[index].entry);
6418 * Assign MSI-X vectors to interrupt handlers
6421 /* The first vector must associated to slow-path handler for MQ */
6422 rc = request_irq(phba->sli4_hba.msix_entries[0].vector,
6423 &lpfc_sli4_sp_intr_handler, IRQF_SHARED,
6424 LPFC_SP_DRIVER_HANDLER_NAME, phba);
6426 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6427 "0485 MSI-X slow-path request_irq failed "
6432 /* The rest of the vector(s) are associated to fast-path handler(s) */
6433 for (index = 1; index < phba->sli4_hba.cfg_eqn; index++) {
6434 phba->sli4_hba.fcp_eq_hdl[index - 1].idx = index - 1;
6435 phba->sli4_hba.fcp_eq_hdl[index - 1].phba = phba;
6436 rc = request_irq(phba->sli4_hba.msix_entries[index].vector,
6437 &lpfc_sli4_fp_intr_handler, IRQF_SHARED,
6438 LPFC_FP_DRIVER_HANDLER_NAME,
6439 &phba->sli4_hba.fcp_eq_hdl[index - 1]);
6441 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6442 "0486 MSI-X fast-path (%d) "
6443 "request_irq failed (%d)\n", index, rc);
6451 /* free the irq already requested */
6452 for (--index; index >= 1; index--)
6453 free_irq(phba->sli4_hba.msix_entries[index - 1].vector,
6454 &phba->sli4_hba.fcp_eq_hdl[index - 1]);
6456 /* free the irq already requested */
6457 free_irq(phba->sli4_hba.msix_entries[0].vector, phba);
6460 /* Unconfigure MSI-X capability structure */
6461 pci_disable_msix(phba->pcidev);
6466 * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
6467 * @phba: pointer to lpfc hba data structure.
6469 * This routine is invoked to release the MSI-X vectors and then disable the
6470 * MSI-X interrupt mode to device with SLI-4 interface spec.
6473 lpfc_sli4_disable_msix(struct lpfc_hba *phba)
6477 /* Free up MSI-X multi-message vectors */
6478 free_irq(phba->sli4_hba.msix_entries[0].vector, phba);
6480 for (index = 1; index < phba->sli4_hba.cfg_eqn; index++)
6481 free_irq(phba->sli4_hba.msix_entries[index].vector,
6482 &phba->sli4_hba.fcp_eq_hdl[index - 1]);
6484 pci_disable_msix(phba->pcidev);
6490 * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
6491 * @phba: pointer to lpfc hba data structure.
6493 * This routine is invoked to enable the MSI interrupt mode to device with
6494 * SLI-4 interface spec. The kernel function pci_enable_msi() is called
6495 * to enable the MSI vector. The device driver is responsible for calling
6496 * the request_irq() to register MSI vector with a interrupt the handler,
6497 * which is done in this function.
6501 * other values - error
6504 lpfc_sli4_enable_msi(struct lpfc_hba *phba)
6508 rc = pci_enable_msi(phba->pcidev);
6510 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6511 "0487 PCI enable MSI mode success.\n");
6513 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6514 "0488 PCI enable MSI mode failed (%d)\n", rc);
6518 rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
6519 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
6521 pci_disable_msi(phba->pcidev);
6522 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6523 "0490 MSI request_irq failed (%d)\n", rc);
6526 for (index = 0; index < phba->cfg_fcp_eq_count; index++) {
6527 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
6528 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
6535 * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
6536 * @phba: pointer to lpfc hba data structure.
6538 * This routine is invoked to disable the MSI interrupt mode to device with
6539 * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
6540 * done request_irq() on before calling pci_disable_msi(). Failure to do so
6541 * results in a BUG_ON() and a device will be left with MSI enabled and leaks
6545 lpfc_sli4_disable_msi(struct lpfc_hba *phba)
6547 free_irq(phba->pcidev->irq, phba);
6548 pci_disable_msi(phba->pcidev);
6553 * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
6554 * @phba: pointer to lpfc hba data structure.
6556 * This routine is invoked to enable device interrupt and associate driver's
6557 * interrupt handler(s) to interrupt vector(s) to device with SLI-4
6558 * interface spec. Depends on the interrupt mode configured to the driver,
6559 * the driver will try to fallback from the configured interrupt mode to an
6560 * interrupt mode which is supported by the platform, kernel, and device in
6562 * MSI-X -> MSI -> IRQ.
6566 * other values - error
6569 lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
6571 uint32_t intr_mode = LPFC_INTR_ERROR;
6574 if (cfg_mode == 2) {
6575 /* Preparation before conf_msi mbox cmd */
6578 /* Now, try to enable MSI-X interrupt mode */
6579 retval = lpfc_sli4_enable_msix(phba);
6581 /* Indicate initialization to MSI-X mode */
6582 phba->intr_type = MSIX;
6588 /* Fallback to MSI if MSI-X initialization failed */
6589 if (cfg_mode >= 1 && phba->intr_type == NONE) {
6590 retval = lpfc_sli4_enable_msi(phba);
6592 /* Indicate initialization to MSI mode */
6593 phba->intr_type = MSI;
6598 /* Fallback to INTx if both MSI-X/MSI initalization failed */
6599 if (phba->intr_type == NONE) {
6600 retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
6601 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
6603 /* Indicate initialization to INTx mode */
6604 phba->intr_type = INTx;
6606 for (index = 0; index < phba->cfg_fcp_eq_count;
6608 phba->sli4_hba.fcp_eq_hdl[index].idx = index;
6609 phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
6617 * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
6618 * @phba: pointer to lpfc hba data structure.
6620 * This routine is invoked to disable device interrupt and disassociate
6621 * the driver's interrupt handler(s) from interrupt vector(s) to device
6622 * with SLI-4 interface spec. Depending on the interrupt mode, the driver
6623 * will release the interrupt vector(s) for the message signaled interrupt.
6626 lpfc_sli4_disable_intr(struct lpfc_hba *phba)
6628 /* Disable the currently initialized interrupt mode */
6629 if (phba->intr_type == MSIX)
6630 lpfc_sli4_disable_msix(phba);
6631 else if (phba->intr_type == MSI)
6632 lpfc_sli4_disable_msi(phba);
6633 else if (phba->intr_type == INTx)
6634 free_irq(phba->pcidev->irq, phba);
6636 /* Reset interrupt management states */
6637 phba->intr_type = NONE;
6638 phba->sli.slistat.sli_intr = 0;
6644 * lpfc_unset_hba - Unset SLI3 hba device initialization
6645 * @phba: pointer to lpfc hba data structure.
6647 * This routine is invoked to unset the HBA device initialization steps to
6648 * a device with SLI-3 interface spec.
6651 lpfc_unset_hba(struct lpfc_hba *phba)
6653 struct lpfc_vport *vport = phba->pport;
6654 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
6656 spin_lock_irq(shost->host_lock);
6657 vport->load_flag |= FC_UNLOADING;
6658 spin_unlock_irq(shost->host_lock);
6660 lpfc_stop_hba_timers(phba);
6662 phba->pport->work_port_events = 0;
6664 lpfc_sli_hba_down(phba);
6666 lpfc_sli_brdrestart(phba);
6668 lpfc_sli_disable_intr(phba);
6674 * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization.
6675 * @phba: pointer to lpfc hba data structure.
6677 * This routine is invoked to unset the HBA device initialization steps to
6678 * a device with SLI-4 interface spec.
6681 lpfc_sli4_unset_hba(struct lpfc_hba *phba)
6683 struct lpfc_vport *vport = phba->pport;
6684 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
6686 spin_lock_irq(shost->host_lock);
6687 vport->load_flag |= FC_UNLOADING;
6688 spin_unlock_irq(shost->host_lock);
6690 phba->pport->work_port_events = 0;
6692 lpfc_sli4_hba_down(phba);
6694 lpfc_sli4_disable_intr(phba);
6700 * lpfc_sli4_hba_unset - Unset the fcoe hba
6701 * @phba: Pointer to HBA context object.
6703 * This function is called in the SLI4 code path to reset the HBA's FCoE
6704 * function. The caller is not required to hold any lock. This routine
6705 * issues PCI function reset mailbox command to reset the FCoE function.
6706 * At the end of the function, it calls lpfc_hba_down_post function to
6707 * free any pending commands.
6710 lpfc_sli4_hba_unset(struct lpfc_hba *phba)
6713 LPFC_MBOXQ_t *mboxq;
6715 lpfc_stop_hba_timers(phba);
6716 phba->sli4_hba.intr_enable = 0;
6719 * Gracefully wait out the potential current outstanding asynchronous
6723 /* First, block any pending async mailbox command from posted */
6724 spin_lock_irq(&phba->hbalock);
6725 phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
6726 spin_unlock_irq(&phba->hbalock);
6727 /* Now, trying to wait it out if we can */
6728 while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
6730 if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT)
6733 /* Forcefully release the outstanding mailbox command if timed out */
6734 if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
6735 spin_lock_irq(&phba->hbalock);
6736 mboxq = phba->sli.mbox_active;
6737 mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED;
6738 __lpfc_mbox_cmpl_put(phba, mboxq);
6739 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
6740 phba->sli.mbox_active = NULL;
6741 spin_unlock_irq(&phba->hbalock);
6744 /* Tear down the queues in the HBA */
6745 lpfc_sli4_queue_unset(phba);
6747 /* Disable PCI subsystem interrupt */
6748 lpfc_sli4_disable_intr(phba);
6750 /* Stop kthread signal shall trigger work_done one more time */
6751 kthread_stop(phba->worker_thread);
6753 /* Stop the SLI4 device port */
6754 phba->pport->work_port_events = 0;
6758 * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
6759 * @pdev: pointer to PCI device
6760 * @pid: pointer to PCI device identifier
6762 * This routine is to be called to attach a device with SLI-3 interface spec
6763 * to the PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
6764 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
6765 * information of the device and driver to see if the driver state that it can
6766 * support this kind of device. If the match is successful, the driver core
6767 * invokes this routine. If this routine determines it can claim the HBA, it
6768 * does all the initialization that it needs to do to handle the HBA properly.
6771 * 0 - driver can claim the device
6772 * negative value - driver can not claim the device
6774 static int __devinit
6775 lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid)
6777 struct lpfc_hba *phba;
6778 struct lpfc_vport *vport = NULL;
6779 struct Scsi_Host *shost = NULL;
6781 uint32_t cfg_mode, intr_mode;
6783 /* Allocate memory for HBA structure */
6784 phba = lpfc_hba_alloc(pdev);
6788 /* Perform generic PCI device enabling operation */
6789 error = lpfc_enable_pci_dev(phba);
6791 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6792 "1401 Failed to enable pci device.\n");
6796 /* Set up SLI API function jump table for PCI-device group-0 HBAs */
6797 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP);
6799 goto out_disable_pci_dev;
6801 /* Set up SLI-3 specific device PCI memory space */
6802 error = lpfc_sli_pci_mem_setup(phba);
6804 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6805 "1402 Failed to set up pci memory space.\n");
6806 goto out_disable_pci_dev;
6809 /* Set up phase-1 common device driver resources */
6810 error = lpfc_setup_driver_resource_phase1(phba);
6812 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6813 "1403 Failed to set up driver resource.\n");
6814 goto out_unset_pci_mem_s3;
6817 /* Set up SLI-3 specific device driver resources */
6818 error = lpfc_sli_driver_resource_setup(phba);
6820 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6821 "1404 Failed to set up driver resource.\n");
6822 goto out_unset_pci_mem_s3;
6825 /* Initialize and populate the iocb list per host */
6826 error = lpfc_init_iocb_list(phba, LPFC_IOCB_LIST_CNT);
6828 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6829 "1405 Failed to initialize iocb list.\n");
6830 goto out_unset_driver_resource_s3;
6833 /* Set up common device driver resources */
6834 error = lpfc_setup_driver_resource_phase2(phba);
6836 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6837 "1406 Failed to set up driver resource.\n");
6838 goto out_free_iocb_list;
6841 /* Create SCSI host to the physical port */
6842 error = lpfc_create_shost(phba);
6844 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6845 "1407 Failed to create scsi host.\n");
6846 goto out_unset_driver_resource;
6849 /* Configure sysfs attributes */
6850 vport = phba->pport;
6851 error = lpfc_alloc_sysfs_attr(vport);
6853 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6854 "1476 Failed to allocate sysfs attr\n");
6855 goto out_destroy_shost;
6858 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
6859 /* Now, trying to enable interrupt and bring up the device */
6860 cfg_mode = phba->cfg_use_msi;
6862 /* Put device to a known state before enabling interrupt */
6863 lpfc_stop_port(phba);
6864 /* Configure and enable interrupt */
6865 intr_mode = lpfc_sli_enable_intr(phba, cfg_mode);
6866 if (intr_mode == LPFC_INTR_ERROR) {
6867 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6868 "0431 Failed to enable interrupt.\n");
6870 goto out_free_sysfs_attr;
6872 /* SLI-3 HBA setup */
6873 if (lpfc_sli_hba_setup(phba)) {
6874 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6875 "1477 Failed to set up hba\n");
6877 goto out_remove_device;
6880 /* Wait 50ms for the interrupts of previous mailbox commands */
6882 /* Check active interrupts on message signaled interrupts */
6883 if (intr_mode == 0 ||
6884 phba->sli.slistat.sli_intr > LPFC_MSIX_VECTORS) {
6885 /* Log the current active interrupt mode */
6886 phba->intr_mode = intr_mode;
6887 lpfc_log_intr_mode(phba, intr_mode);
6890 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6891 "0447 Configure interrupt mode (%d) "
6892 "failed active interrupt test.\n",
6894 /* Disable the current interrupt mode */
6895 lpfc_sli_disable_intr(phba);
6896 /* Try next level of interrupt mode */
6897 cfg_mode = --intr_mode;
6901 /* Perform post initialization setup */
6902 lpfc_post_init_setup(phba);
6904 /* Check if there are static vports to be created. */
6905 lpfc_create_static_vport(phba);
6910 lpfc_unset_hba(phba);
6911 out_free_sysfs_attr:
6912 lpfc_free_sysfs_attr(vport);
6914 lpfc_destroy_shost(phba);
6915 out_unset_driver_resource:
6916 lpfc_unset_driver_resource_phase2(phba);
6918 lpfc_free_iocb_list(phba);
6919 out_unset_driver_resource_s3:
6920 lpfc_sli_driver_resource_unset(phba);
6921 out_unset_pci_mem_s3:
6922 lpfc_sli_pci_mem_unset(phba);
6923 out_disable_pci_dev:
6924 lpfc_disable_pci_dev(phba);
6926 scsi_host_put(shost);
6928 lpfc_hba_free(phba);
6933 * lpfc_pci_remove_one_s3 - PCI func to unreg SLI-3 device from PCI subsystem.
6934 * @pdev: pointer to PCI device
6936 * This routine is to be called to disattach a device with SLI-3 interface
6937 * spec from PCI subsystem. When an Emulex HBA with SLI-3 interface spec is
6938 * removed from PCI bus, it performs all the necessary cleanup for the HBA
6939 * device to be removed from the PCI subsystem properly.
6941 static void __devexit
6942 lpfc_pci_remove_one_s3(struct pci_dev *pdev)
6944 struct Scsi_Host *shost = pci_get_drvdata(pdev);
6945 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
6946 struct lpfc_vport **vports;
6947 struct lpfc_hba *phba = vport->phba;
6949 int bars = pci_select_bars(pdev, IORESOURCE_MEM);
6951 spin_lock_irq(&phba->hbalock);
6952 vport->load_flag |= FC_UNLOADING;
6953 spin_unlock_irq(&phba->hbalock);
6955 lpfc_free_sysfs_attr(vport);
6957 /* Release all the vports against this physical port */
6958 vports = lpfc_create_vport_work_array(phba);
6960 for (i = 1; i <= phba->max_vports && vports[i] != NULL; i++)
6961 fc_vport_terminate(vports[i]->fc_vport);
6962 lpfc_destroy_vport_work_array(phba, vports);
6964 /* Remove FC host and then SCSI host with the physical port */
6965 fc_remove_host(shost);
6966 scsi_remove_host(shost);
6967 lpfc_cleanup(vport);
6970 * Bring down the SLI Layer. This step disable all interrupts,
6971 * clears the rings, discards all mailbox commands, and resets
6975 /* HBA interrupt will be diabled after this call */
6976 lpfc_sli_hba_down(phba);
6977 /* Stop kthread signal shall trigger work_done one more time */
6978 kthread_stop(phba->worker_thread);
6979 /* Final cleanup of txcmplq and reset the HBA */
6980 lpfc_sli_brdrestart(phba);
6982 lpfc_stop_hba_timers(phba);
6983 spin_lock_irq(&phba->hbalock);
6984 list_del_init(&vport->listentry);
6985 spin_unlock_irq(&phba->hbalock);
6987 lpfc_debugfs_terminate(vport);
6989 /* Disable interrupt */
6990 lpfc_sli_disable_intr(phba);
6992 pci_set_drvdata(pdev, NULL);
6993 scsi_host_put(shost);
6996 * Call scsi_free before mem_free since scsi bufs are released to their
6997 * corresponding pools here.
6999 lpfc_scsi_free(phba);
7000 lpfc_mem_free_all(phba);
7002 dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
7003 phba->hbqslimp.virt, phba->hbqslimp.phys);
7005 /* Free resources associated with SLI2 interface */
7006 dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
7007 phba->slim2p.virt, phba->slim2p.phys);
7009 /* unmap adapter SLIM and Control Registers */
7010 iounmap(phba->ctrl_regs_memmap_p);
7011 iounmap(phba->slim_memmap_p);
7013 lpfc_hba_free(phba);
7015 pci_release_selected_regions(pdev, bars);
7016 pci_disable_device(pdev);
7020 * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt
7021 * @pdev: pointer to PCI device
7022 * @msg: power management message
7024 * This routine is to be called from the kernel's PCI subsystem to support
7025 * system Power Management (PM) to device with SLI-3 interface spec. When
7026 * PM invokes this method, it quiesces the device by stopping the driver's
7027 * worker thread for the device, turning off device's interrupt and DMA,
7028 * and bring the device offline. Note that as the driver implements the
7029 * minimum PM requirements to a power-aware driver's PM support for the
7030 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
7031 * to the suspend() method call will be treated as SUSPEND and the driver will
7032 * fully reinitialize its device during resume() method call, the driver will
7033 * set device to PCI_D3hot state in PCI config space instead of setting it
7034 * according to the @msg provided by the PM.
7037 * 0 - driver suspended the device
7041 lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg)
7043 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7044 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7046 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7047 "0473 PCI device Power Management suspend.\n");
7049 /* Bring down the device */
7050 lpfc_offline_prep(phba);
7052 kthread_stop(phba->worker_thread);
7054 /* Disable interrupt from device */
7055 lpfc_sli_disable_intr(phba);
7057 /* Save device state to PCI config space */
7058 pci_save_state(pdev);
7059 pci_set_power_state(pdev, PCI_D3hot);
7065 * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt
7066 * @pdev: pointer to PCI device
7068 * This routine is to be called from the kernel's PCI subsystem to support
7069 * system Power Management (PM) to device with SLI-3 interface spec. When PM
7070 * invokes this method, it restores the device's PCI config space state and
7071 * fully reinitializes the device and brings it online. Note that as the
7072 * driver implements the minimum PM requirements to a power-aware driver's
7073 * PM for suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE,
7074 * FREEZE) to the suspend() method call will be treated as SUSPEND and the
7075 * driver will fully reinitialize its device during resume() method call,
7076 * the device will be set to PCI_D0 directly in PCI config space before
7077 * restoring the state.
7080 * 0 - driver suspended the device
7084 lpfc_pci_resume_one_s3(struct pci_dev *pdev)
7086 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7087 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7091 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7092 "0452 PCI device Power Management resume.\n");
7094 /* Restore device state from PCI config space */
7095 pci_set_power_state(pdev, PCI_D0);
7096 pci_restore_state(pdev);
7097 if (pdev->is_busmaster)
7098 pci_set_master(pdev);
7100 /* Startup the kernel thread for this host adapter. */
7101 phba->worker_thread = kthread_run(lpfc_do_work, phba,
7102 "lpfc_worker_%d", phba->brd_no);
7103 if (IS_ERR(phba->worker_thread)) {
7104 error = PTR_ERR(phba->worker_thread);
7105 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7106 "0434 PM resume failed to start worker "
7107 "thread: error=x%x.\n", error);
7111 /* Configure and enable interrupt */
7112 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
7113 if (intr_mode == LPFC_INTR_ERROR) {
7114 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7115 "0430 PM resume Failed to enable interrupt\n");
7118 phba->intr_mode = intr_mode;
7120 /* Restart HBA and bring it online */
7121 lpfc_sli_brdrestart(phba);
7124 /* Log the current active interrupt mode */
7125 lpfc_log_intr_mode(phba, phba->intr_mode);
7131 * lpfc_io_error_detected_s3 - Method for handling SLI-3 device PCI I/O error
7132 * @pdev: pointer to PCI device.
7133 * @state: the current PCI connection state.
7135 * This routine is called from the PCI subsystem for I/O error handling to
7136 * device with SLI-3 interface spec. This function is called by the PCI
7137 * subsystem after a PCI bus error affecting this device has been detected.
7138 * When this function is invoked, it will need to stop all the I/Os and
7139 * interrupt(s) to the device. Once that is done, it will return
7140 * PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to perform proper recovery
7144 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7145 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7147 static pci_ers_result_t
7148 lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state)
7150 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7151 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7152 struct lpfc_sli *psli = &phba->sli;
7153 struct lpfc_sli_ring *pring;
7155 if (state == pci_channel_io_perm_failure) {
7156 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7157 "0472 PCI channel I/O permanent failure\n");
7158 /* Block all SCSI devices' I/Os on the host */
7159 lpfc_scsi_dev_block(phba);
7160 /* Clean up all driver's outstanding SCSI I/Os */
7161 lpfc_sli_flush_fcp_rings(phba);
7162 return PCI_ERS_RESULT_DISCONNECT;
7165 pci_disable_device(pdev);
7167 * There may be I/Os dropped by the firmware.
7168 * Error iocb (I/O) on txcmplq and let the SCSI layer
7169 * retry it after re-establishing link.
7171 pring = &psli->ring[psli->fcp_ring];
7172 lpfc_sli_abort_iocb_ring(phba, pring);
7174 /* Disable interrupt */
7175 lpfc_sli_disable_intr(phba);
7177 /* Request a slot reset. */
7178 return PCI_ERS_RESULT_NEED_RESET;
7182 * lpfc_io_slot_reset_s3 - Method for restarting PCI SLI-3 device from scratch.
7183 * @pdev: pointer to PCI device.
7185 * This routine is called from the PCI subsystem for error handling to
7186 * device with SLI-3 interface spec. This is called after PCI bus has been
7187 * reset to restart the PCI card from scratch, as if from a cold-boot.
7188 * During the PCI subsystem error recovery, after driver returns
7189 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
7190 * recovery and then call this routine before calling the .resume method
7191 * to recover the device. This function will initialize the HBA device,
7192 * enable the interrupt, but it will just put the HBA to offline state
7193 * without passing any I/O traffic.
7196 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
7197 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7199 static pci_ers_result_t
7200 lpfc_io_slot_reset_s3(struct pci_dev *pdev)
7202 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7203 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7204 struct lpfc_sli *psli = &phba->sli;
7207 dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
7208 if (pci_enable_device_mem(pdev)) {
7209 printk(KERN_ERR "lpfc: Cannot re-enable "
7210 "PCI device after reset.\n");
7211 return PCI_ERS_RESULT_DISCONNECT;
7214 pci_restore_state(pdev);
7215 if (pdev->is_busmaster)
7216 pci_set_master(pdev);
7218 spin_lock_irq(&phba->hbalock);
7219 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
7220 spin_unlock_irq(&phba->hbalock);
7222 /* Configure and enable interrupt */
7223 intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode);
7224 if (intr_mode == LPFC_INTR_ERROR) {
7225 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7226 "0427 Cannot re-enable interrupt after "
7228 return PCI_ERS_RESULT_DISCONNECT;
7230 phba->intr_mode = intr_mode;
7232 /* Take device offline; this will perform cleanup */
7234 lpfc_sli_brdrestart(phba);
7236 /* Log the current active interrupt mode */
7237 lpfc_log_intr_mode(phba, phba->intr_mode);
7239 return PCI_ERS_RESULT_RECOVERED;
7243 * lpfc_io_resume_s3 - Method for resuming PCI I/O operation on SLI-3 device.
7244 * @pdev: pointer to PCI device
7246 * This routine is called from the PCI subsystem for error handling to device
7247 * with SLI-3 interface spec. It is called when kernel error recovery tells
7248 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
7249 * error recovery. After this call, traffic can start to flow from this device
7253 lpfc_io_resume_s3(struct pci_dev *pdev)
7255 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7256 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7262 * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
7263 * @phba: pointer to lpfc hba data structure.
7265 * returns the number of ELS/CT IOCBs to reserve
7268 lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
7270 int max_xri = phba->sli4_hba.max_cfg_param.max_xri;
7272 if (phba->sli_rev == LPFC_SLI_REV4) {
7275 else if (max_xri <= 256)
7277 else if (max_xri <= 512)
7279 else if (max_xri <= 1024)
7288 * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
7289 * @pdev: pointer to PCI device
7290 * @pid: pointer to PCI device identifier
7292 * This routine is called from the kernel's PCI subsystem to device with
7293 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
7294 * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
7295 * information of the device and driver to see if the driver state that it
7296 * can support this kind of device. If the match is successful, the driver
7297 * core invokes this routine. If this routine determines it can claim the HBA,
7298 * it does all the initialization that it needs to do to handle the HBA
7302 * 0 - driver can claim the device
7303 * negative value - driver can not claim the device
7305 static int __devinit
7306 lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
7308 struct lpfc_hba *phba;
7309 struct lpfc_vport *vport = NULL;
7310 struct Scsi_Host *shost = NULL;
7312 uint32_t cfg_mode, intr_mode;
7315 /* Allocate memory for HBA structure */
7316 phba = lpfc_hba_alloc(pdev);
7320 /* Perform generic PCI device enabling operation */
7321 error = lpfc_enable_pci_dev(phba);
7323 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7324 "1409 Failed to enable pci device.\n");
7328 /* Set up SLI API function jump table for PCI-device group-1 HBAs */
7329 error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC);
7331 goto out_disable_pci_dev;
7333 /* Set up SLI-4 specific device PCI memory space */
7334 error = lpfc_sli4_pci_mem_setup(phba);
7336 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7337 "1410 Failed to set up pci memory space.\n");
7338 goto out_disable_pci_dev;
7341 /* Set up phase-1 common device driver resources */
7342 error = lpfc_setup_driver_resource_phase1(phba);
7344 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7345 "1411 Failed to set up driver resource.\n");
7346 goto out_unset_pci_mem_s4;
7349 /* Set up SLI-4 Specific device driver resources */
7350 error = lpfc_sli4_driver_resource_setup(phba);
7352 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7353 "1412 Failed to set up driver resource.\n");
7354 goto out_unset_pci_mem_s4;
7357 /* Initialize and populate the iocb list per host */
7358 error = lpfc_init_iocb_list(phba,
7359 phba->sli4_hba.max_cfg_param.max_xri);
7361 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7362 "1413 Failed to initialize iocb list.\n");
7363 goto out_unset_driver_resource_s4;
7366 /* Set up common device driver resources */
7367 error = lpfc_setup_driver_resource_phase2(phba);
7369 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7370 "1414 Failed to set up driver resource.\n");
7371 goto out_free_iocb_list;
7374 /* Create SCSI host to the physical port */
7375 error = lpfc_create_shost(phba);
7377 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7378 "1415 Failed to create scsi host.\n");
7379 goto out_unset_driver_resource;
7382 /* Configure sysfs attributes */
7383 vport = phba->pport;
7384 error = lpfc_alloc_sysfs_attr(vport);
7386 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7387 "1416 Failed to allocate sysfs attr\n");
7388 goto out_destroy_shost;
7391 shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */
7392 /* Now, trying to enable interrupt and bring up the device */
7393 cfg_mode = phba->cfg_use_msi;
7395 /* Put device to a known state before enabling interrupt */
7396 lpfc_stop_port(phba);
7397 /* Configure and enable interrupt */
7398 intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode);
7399 if (intr_mode == LPFC_INTR_ERROR) {
7400 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7401 "0426 Failed to enable interrupt.\n");
7403 goto out_free_sysfs_attr;
7405 /* Set up SLI-4 HBA */
7406 if (lpfc_sli4_hba_setup(phba)) {
7407 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7408 "1421 Failed to set up hba\n");
7410 goto out_disable_intr;
7413 /* Send NOP mbx cmds for non-INTx mode active interrupt test */
7415 mcnt = lpfc_sli4_send_nop_mbox_cmds(phba,
7418 /* Check active interrupts received only for MSI/MSI-X */
7419 if (intr_mode == 0 ||
7420 phba->sli.slistat.sli_intr >= LPFC_ACT_INTR_CNT) {
7421 /* Log the current active interrupt mode */
7422 phba->intr_mode = intr_mode;
7423 lpfc_log_intr_mode(phba, intr_mode);
7426 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7427 "0451 Configure interrupt mode (%d) "
7428 "failed active interrupt test.\n",
7430 /* Unset the preivous SLI-4 HBA setup */
7431 lpfc_sli4_unset_hba(phba);
7432 /* Try next level of interrupt mode */
7433 cfg_mode = --intr_mode;
7436 /* Perform post initialization setup */
7437 lpfc_post_init_setup(phba);
7439 /* Check if there are static vports to be created. */
7440 lpfc_create_static_vport(phba);
7445 lpfc_sli4_disable_intr(phba);
7446 out_free_sysfs_attr:
7447 lpfc_free_sysfs_attr(vport);
7449 lpfc_destroy_shost(phba);
7450 out_unset_driver_resource:
7451 lpfc_unset_driver_resource_phase2(phba);
7453 lpfc_free_iocb_list(phba);
7454 out_unset_driver_resource_s4:
7455 lpfc_sli4_driver_resource_unset(phba);
7456 out_unset_pci_mem_s4:
7457 lpfc_sli4_pci_mem_unset(phba);
7458 out_disable_pci_dev:
7459 lpfc_disable_pci_dev(phba);
7461 scsi_host_put(shost);
7463 lpfc_hba_free(phba);
7468 * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
7469 * @pdev: pointer to PCI device
7471 * This routine is called from the kernel's PCI subsystem to device with
7472 * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
7473 * removed from PCI bus, it performs all the necessary cleanup for the HBA
7474 * device to be removed from the PCI subsystem properly.
7476 static void __devexit
7477 lpfc_pci_remove_one_s4(struct pci_dev *pdev)
7479 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7480 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
7481 struct lpfc_vport **vports;
7482 struct lpfc_hba *phba = vport->phba;
7485 /* Mark the device unloading flag */
7486 spin_lock_irq(&phba->hbalock);
7487 vport->load_flag |= FC_UNLOADING;
7488 spin_unlock_irq(&phba->hbalock);
7490 /* Free the HBA sysfs attributes */
7491 lpfc_free_sysfs_attr(vport);
7493 /* Release all the vports against this physical port */
7494 vports = lpfc_create_vport_work_array(phba);
7496 for (i = 1; i <= phba->max_vports && vports[i] != NULL; i++)
7497 fc_vport_terminate(vports[i]->fc_vport);
7498 lpfc_destroy_vport_work_array(phba, vports);
7500 /* Remove FC host and then SCSI host with the physical port */
7501 fc_remove_host(shost);
7502 scsi_remove_host(shost);
7504 /* Perform cleanup on the physical port */
7505 lpfc_cleanup(vport);
7508 * Bring down the SLI Layer. This step disables all interrupts,
7509 * clears the rings, discards all mailbox commands, and resets
7510 * the HBA FCoE function.
7512 lpfc_debugfs_terminate(vport);
7513 lpfc_sli4_hba_unset(phba);
7515 spin_lock_irq(&phba->hbalock);
7516 list_del_init(&vport->listentry);
7517 spin_unlock_irq(&phba->hbalock);
7519 /* Call scsi_free before lpfc_sli4_driver_resource_unset since scsi
7520 * buffers are released to their corresponding pools here.
7522 lpfc_scsi_free(phba);
7523 lpfc_sli4_driver_resource_unset(phba);
7525 /* Unmap adapter Control and Doorbell registers */
7526 lpfc_sli4_pci_mem_unset(phba);
7528 /* Release PCI resources and disable device's PCI function */
7529 scsi_host_put(shost);
7530 lpfc_disable_pci_dev(phba);
7532 /* Finally, free the driver's device data structure */
7533 lpfc_hba_free(phba);
7539 * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
7540 * @pdev: pointer to PCI device
7541 * @msg: power management message
7543 * This routine is called from the kernel's PCI subsystem to support system
7544 * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
7545 * this method, it quiesces the device by stopping the driver's worker
7546 * thread for the device, turning off device's interrupt and DMA, and bring
7547 * the device offline. Note that as the driver implements the minimum PM
7548 * requirements to a power-aware driver's PM support for suspend/resume -- all
7549 * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
7550 * method call will be treated as SUSPEND and the driver will fully
7551 * reinitialize its device during resume() method call, the driver will set
7552 * device to PCI_D3hot state in PCI config space instead of setting it
7553 * according to the @msg provided by the PM.
7556 * 0 - driver suspended the device
7560 lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg)
7562 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7563 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7565 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7566 "0298 PCI device Power Management suspend.\n");
7568 /* Bring down the device */
7569 lpfc_offline_prep(phba);
7571 kthread_stop(phba->worker_thread);
7573 /* Disable interrupt from device */
7574 lpfc_sli4_disable_intr(phba);
7576 /* Save device state to PCI config space */
7577 pci_save_state(pdev);
7578 pci_set_power_state(pdev, PCI_D3hot);
7584 * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
7585 * @pdev: pointer to PCI device
7587 * This routine is called from the kernel's PCI subsystem to support system
7588 * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
7589 * this method, it restores the device's PCI config space state and fully
7590 * reinitializes the device and brings it online. Note that as the driver
7591 * implements the minimum PM requirements to a power-aware driver's PM for
7592 * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
7593 * to the suspend() method call will be treated as SUSPEND and the driver
7594 * will fully reinitialize its device during resume() method call, the device
7595 * will be set to PCI_D0 directly in PCI config space before restoring the
7599 * 0 - driver suspended the device
7603 lpfc_pci_resume_one_s4(struct pci_dev *pdev)
7605 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7606 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7610 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7611 "0292 PCI device Power Management resume.\n");
7613 /* Restore device state from PCI config space */
7614 pci_set_power_state(pdev, PCI_D0);
7615 pci_restore_state(pdev);
7616 if (pdev->is_busmaster)
7617 pci_set_master(pdev);
7619 /* Startup the kernel thread for this host adapter. */
7620 phba->worker_thread = kthread_run(lpfc_do_work, phba,
7621 "lpfc_worker_%d", phba->brd_no);
7622 if (IS_ERR(phba->worker_thread)) {
7623 error = PTR_ERR(phba->worker_thread);
7624 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7625 "0293 PM resume failed to start worker "
7626 "thread: error=x%x.\n", error);
7630 /* Configure and enable interrupt */
7631 intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
7632 if (intr_mode == LPFC_INTR_ERROR) {
7633 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7634 "0294 PM resume Failed to enable interrupt\n");
7637 phba->intr_mode = intr_mode;
7639 /* Restart HBA and bring it online */
7640 lpfc_sli_brdrestart(phba);
7643 /* Log the current active interrupt mode */
7644 lpfc_log_intr_mode(phba, phba->intr_mode);
7650 * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
7651 * @pdev: pointer to PCI device.
7652 * @state: the current PCI connection state.
7654 * This routine is called from the PCI subsystem for error handling to device
7655 * with SLI-4 interface spec. This function is called by the PCI subsystem
7656 * after a PCI bus error affecting this device has been detected. When this
7657 * function is invoked, it will need to stop all the I/Os and interrupt(s)
7658 * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
7659 * for the PCI subsystem to perform proper recovery as desired.
7662 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7663 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7665 static pci_ers_result_t
7666 lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
7668 return PCI_ERS_RESULT_NEED_RESET;
7672 * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
7673 * @pdev: pointer to PCI device.
7675 * This routine is called from the PCI subsystem for error handling to device
7676 * with SLI-4 interface spec. It is called after PCI bus has been reset to
7677 * restart the PCI card from scratch, as if from a cold-boot. During the
7678 * PCI subsystem error recovery, after the driver returns
7679 * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
7680 * recovery and then call this routine before calling the .resume method to
7681 * recover the device. This function will initialize the HBA device, enable
7682 * the interrupt, but it will just put the HBA to offline state without
7683 * passing any I/O traffic.
7686 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
7687 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7689 static pci_ers_result_t
7690 lpfc_io_slot_reset_s4(struct pci_dev *pdev)
7692 return PCI_ERS_RESULT_RECOVERED;
7696 * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
7697 * @pdev: pointer to PCI device
7699 * This routine is called from the PCI subsystem for error handling to device
7700 * with SLI-4 interface spec. It is called when kernel error recovery tells
7701 * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
7702 * error recovery. After this call, traffic can start to flow from this device
7706 lpfc_io_resume_s4(struct pci_dev *pdev)
7712 * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
7713 * @pdev: pointer to PCI device
7714 * @pid: pointer to PCI device identifier
7716 * This routine is to be registered to the kernel's PCI subsystem. When an
7717 * Emulex HBA device is presented on PCI bus, the kernel PCI subsystem looks
7718 * at PCI device-specific information of the device and driver to see if the
7719 * driver state that it can support this kind of device. If the match is
7720 * successful, the driver core invokes this routine. This routine dispatches
7721 * the action to the proper SLI-3 or SLI-4 device probing routine, which will
7722 * do all the initialization that it needs to do to handle the HBA device
7726 * 0 - driver can claim the device
7727 * negative value - driver can not claim the device
7729 static int __devinit
7730 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
7733 struct lpfc_sli_intf intf;
7735 if (pci_read_config_dword(pdev, LPFC_SLIREV_CONF_WORD, &intf.word0))
7738 if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) &&
7739 (bf_get(lpfc_sli_intf_rev, &intf) == LPFC_SLIREV_CONF_SLI4))
7740 rc = lpfc_pci_probe_one_s4(pdev, pid);
7742 rc = lpfc_pci_probe_one_s3(pdev, pid);
7748 * lpfc_pci_remove_one - lpfc PCI func to unreg dev from PCI subsystem
7749 * @pdev: pointer to PCI device
7751 * This routine is to be registered to the kernel's PCI subsystem. When an
7752 * Emulex HBA is removed from PCI bus, the driver core invokes this routine.
7753 * This routine dispatches the action to the proper SLI-3 or SLI-4 device
7754 * remove routine, which will perform all the necessary cleanup for the
7755 * device to be removed from the PCI subsystem properly.
7757 static void __devexit
7758 lpfc_pci_remove_one(struct pci_dev *pdev)
7760 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7761 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7763 switch (phba->pci_dev_grp) {
7764 case LPFC_PCI_DEV_LP:
7765 lpfc_pci_remove_one_s3(pdev);
7767 case LPFC_PCI_DEV_OC:
7768 lpfc_pci_remove_one_s4(pdev);
7771 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7772 "1424 Invalid PCI device group: 0x%x\n",
7780 * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management
7781 * @pdev: pointer to PCI device
7782 * @msg: power management message
7784 * This routine is to be registered to the kernel's PCI subsystem to support
7785 * system Power Management (PM). When PM invokes this method, it dispatches
7786 * the action to the proper SLI-3 or SLI-4 device suspend routine, which will
7787 * suspend the device.
7790 * 0 - driver suspended the device
7794 lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg)
7796 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7797 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7800 switch (phba->pci_dev_grp) {
7801 case LPFC_PCI_DEV_LP:
7802 rc = lpfc_pci_suspend_one_s3(pdev, msg);
7804 case LPFC_PCI_DEV_OC:
7805 rc = lpfc_pci_suspend_one_s4(pdev, msg);
7808 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7809 "1425 Invalid PCI device group: 0x%x\n",
7817 * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management
7818 * @pdev: pointer to PCI device
7820 * This routine is to be registered to the kernel's PCI subsystem to support
7821 * system Power Management (PM). When PM invokes this method, it dispatches
7822 * the action to the proper SLI-3 or SLI-4 device resume routine, which will
7823 * resume the device.
7826 * 0 - driver suspended the device
7830 lpfc_pci_resume_one(struct pci_dev *pdev)
7832 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7833 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7836 switch (phba->pci_dev_grp) {
7837 case LPFC_PCI_DEV_LP:
7838 rc = lpfc_pci_resume_one_s3(pdev);
7840 case LPFC_PCI_DEV_OC:
7841 rc = lpfc_pci_resume_one_s4(pdev);
7844 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7845 "1426 Invalid PCI device group: 0x%x\n",
7853 * lpfc_io_error_detected - lpfc method for handling PCI I/O error
7854 * @pdev: pointer to PCI device.
7855 * @state: the current PCI connection state.
7857 * This routine is registered to the PCI subsystem for error handling. This
7858 * function is called by the PCI subsystem after a PCI bus error affecting
7859 * this device has been detected. When this routine is invoked, it dispatches
7860 * the action to the proper SLI-3 or SLI-4 device error detected handling
7861 * routine, which will perform the proper error detected operation.
7864 * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
7865 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7867 static pci_ers_result_t
7868 lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
7870 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7871 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7872 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
7874 switch (phba->pci_dev_grp) {
7875 case LPFC_PCI_DEV_LP:
7876 rc = lpfc_io_error_detected_s3(pdev, state);
7878 case LPFC_PCI_DEV_OC:
7879 rc = lpfc_io_error_detected_s4(pdev, state);
7882 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7883 "1427 Invalid PCI device group: 0x%x\n",
7891 * lpfc_io_slot_reset - lpfc method for restart PCI dev from scratch
7892 * @pdev: pointer to PCI device.
7894 * This routine is registered to the PCI subsystem for error handling. This
7895 * function is called after PCI bus has been reset to restart the PCI card
7896 * from scratch, as if from a cold-boot. When this routine is invoked, it
7897 * dispatches the action to the proper SLI-3 or SLI-4 device reset handling
7898 * routine, which will perform the proper device reset.
7901 * PCI_ERS_RESULT_RECOVERED - the device has been recovered
7902 * PCI_ERS_RESULT_DISCONNECT - device could not be recovered
7904 static pci_ers_result_t
7905 lpfc_io_slot_reset(struct pci_dev *pdev)
7907 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7908 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7909 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
7911 switch (phba->pci_dev_grp) {
7912 case LPFC_PCI_DEV_LP:
7913 rc = lpfc_io_slot_reset_s3(pdev);
7915 case LPFC_PCI_DEV_OC:
7916 rc = lpfc_io_slot_reset_s4(pdev);
7919 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7920 "1428 Invalid PCI device group: 0x%x\n",
7928 * lpfc_io_resume - lpfc method for resuming PCI I/O operation
7929 * @pdev: pointer to PCI device
7931 * This routine is registered to the PCI subsystem for error handling. It
7932 * is called when kernel error recovery tells the lpfc driver that it is
7933 * OK to resume normal PCI operation after PCI bus error recovery. When
7934 * this routine is invoked, it dispatches the action to the proper SLI-3
7935 * or SLI-4 device io_resume routine, which will resume the device operation.
7938 lpfc_io_resume(struct pci_dev *pdev)
7940 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7941 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
7943 switch (phba->pci_dev_grp) {
7944 case LPFC_PCI_DEV_LP:
7945 lpfc_io_resume_s3(pdev);
7947 case LPFC_PCI_DEV_OC:
7948 lpfc_io_resume_s4(pdev);
7951 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
7952 "1429 Invalid PCI device group: 0x%x\n",
7959 static struct pci_device_id lpfc_id_table[] = {
7960 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER,
7961 PCI_ANY_ID, PCI_ANY_ID, },
7962 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY,
7963 PCI_ANY_ID, PCI_ANY_ID, },
7964 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR,
7965 PCI_ANY_ID, PCI_ANY_ID, },
7966 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS,
7967 PCI_ANY_ID, PCI_ANY_ID, },
7968 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR,
7969 PCI_ANY_ID, PCI_ANY_ID, },
7970 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY,
7971 PCI_ANY_ID, PCI_ANY_ID, },
7972 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY,
7973 PCI_ANY_ID, PCI_ANY_ID, },
7974 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY,
7975 PCI_ANY_ID, PCI_ANY_ID, },
7976 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
7977 PCI_ANY_ID, PCI_ANY_ID, },
7978 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
7979 PCI_ANY_ID, PCI_ANY_ID, },
7980 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
7981 PCI_ANY_ID, PCI_ANY_ID, },
7982 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
7983 PCI_ANY_ID, PCI_ANY_ID, },
7984 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
7985 PCI_ANY_ID, PCI_ANY_ID, },
7986 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
7987 PCI_ANY_ID, PCI_ANY_ID, },
7988 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
7989 PCI_ANY_ID, PCI_ANY_ID, },
7990 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
7991 PCI_ANY_ID, PCI_ANY_ID, },
7992 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
7993 PCI_ANY_ID, PCI_ANY_ID, },
7994 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
7995 PCI_ANY_ID, PCI_ANY_ID, },
7996 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET,
7997 PCI_ANY_ID, PCI_ANY_ID, },
7998 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
7999 PCI_ANY_ID, PCI_ANY_ID, },
8000 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
8001 PCI_ANY_ID, PCI_ANY_ID, },
8002 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
8003 PCI_ANY_ID, PCI_ANY_ID, },
8004 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
8005 PCI_ANY_ID, PCI_ANY_ID, },
8006 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY,
8007 PCI_ANY_ID, PCI_ANY_ID, },
8008 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101,
8009 PCI_ANY_ID, PCI_ANY_ID, },
8010 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
8011 PCI_ANY_ID, PCI_ANY_ID, },
8012 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
8013 PCI_ANY_ID, PCI_ANY_ID, },
8014 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
8015 PCI_ANY_ID, PCI_ANY_ID, },
8016 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT,
8017 PCI_ANY_ID, PCI_ANY_ID, },
8018 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID,
8019 PCI_ANY_ID, PCI_ANY_ID, },
8020 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB,
8021 PCI_ANY_ID, PCI_ANY_ID, },
8022 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP,
8023 PCI_ANY_ID, PCI_ANY_ID, },
8024 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP,
8025 PCI_ANY_ID, PCI_ANY_ID, },
8026 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
8027 PCI_ANY_ID, PCI_ANY_ID, },
8028 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF,
8029 PCI_ANY_ID, PCI_ANY_ID, },
8030 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF,
8031 PCI_ANY_ID, PCI_ANY_ID, },
8032 {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S,
8033 PCI_ANY_ID, PCI_ANY_ID, },
8034 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TIGERSHARK,
8035 PCI_ANY_ID, PCI_ANY_ID, },
8036 {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TS_BE3,
8037 PCI_ANY_ID, PCI_ANY_ID, },
8041 MODULE_DEVICE_TABLE(pci, lpfc_id_table);
8043 static struct pci_error_handlers lpfc_err_handler = {
8044 .error_detected = lpfc_io_error_detected,
8045 .slot_reset = lpfc_io_slot_reset,
8046 .resume = lpfc_io_resume,
8049 static struct pci_driver lpfc_driver = {
8050 .name = LPFC_DRIVER_NAME,
8051 .id_table = lpfc_id_table,
8052 .probe = lpfc_pci_probe_one,
8053 .remove = __devexit_p(lpfc_pci_remove_one),
8054 .suspend = lpfc_pci_suspend_one,
8055 .resume = lpfc_pci_resume_one,
8056 .err_handler = &lpfc_err_handler,
8060 * lpfc_init - lpfc module initialization routine
8062 * This routine is to be invoked when the lpfc module is loaded into the
8063 * kernel. The special kernel macro module_init() is used to indicate the
8064 * role of this routine to the kernel as lpfc module entry point.
8068 * -ENOMEM - FC attach transport failed
8069 * all others - failed
8076 printk(LPFC_MODULE_DESC "\n");
8077 printk(LPFC_COPYRIGHT "\n");
8079 if (lpfc_enable_npiv) {
8080 lpfc_transport_functions.vport_create = lpfc_vport_create;
8081 lpfc_transport_functions.vport_delete = lpfc_vport_delete;
8083 lpfc_transport_template =
8084 fc_attach_transport(&lpfc_transport_functions);
8085 if (lpfc_transport_template == NULL)
8087 if (lpfc_enable_npiv) {
8088 lpfc_vport_transport_template =
8089 fc_attach_transport(&lpfc_vport_transport_functions);
8090 if (lpfc_vport_transport_template == NULL) {
8091 fc_release_transport(lpfc_transport_template);
8095 error = pci_register_driver(&lpfc_driver);
8097 fc_release_transport(lpfc_transport_template);
8098 if (lpfc_enable_npiv)
8099 fc_release_transport(lpfc_vport_transport_template);
8106 * lpfc_exit - lpfc module removal routine
8108 * This routine is invoked when the lpfc module is removed from the kernel.
8109 * The special kernel macro module_exit() is used to indicate the role of
8110 * this routine to the kernel as lpfc module exit point.
8115 pci_unregister_driver(&lpfc_driver);
8116 fc_release_transport(lpfc_transport_template);
8117 if (lpfc_enable_npiv)
8118 fc_release_transport(lpfc_vport_transport_template);
8119 if (_dump_buf_data) {
8120 printk(KERN_ERR "BLKGRD freeing %lu pages for _dump_buf_data "
8122 (1L << _dump_buf_data_order), _dump_buf_data);
8123 free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order);
8126 if (_dump_buf_dif) {
8127 printk(KERN_ERR "BLKGRD freeing %lu pages for _dump_buf_dif "
8129 (1L << _dump_buf_dif_order), _dump_buf_dif);
8130 free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order);
8134 module_init(lpfc_init);
8135 module_exit(lpfc_exit);
8136 MODULE_LICENSE("GPL");
8137 MODULE_DESCRIPTION(LPFC_MODULE_DESC);
8138 MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com");
8139 MODULE_VERSION("0:" LPFC_DRIVER_VERSION);