1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 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/pci.h>
24 #include <linux/interrupt.h>
25 #include <linux/delay.h>
27 #include <scsi/scsi.h>
28 #include <scsi/scsi_cmnd.h>
29 #include <scsi/scsi_device.h>
30 #include <scsi/scsi_host.h>
31 #include <scsi/scsi_transport_fc.h>
35 #include "lpfc_disc.h"
36 #include "lpfc_scsi.h"
38 #include "lpfc_crtn.h"
39 #include "lpfc_logmsg.h"
40 #include "lpfc_compat.h"
41 #include "lpfc_debugfs.h"
44 * Define macro to log: Mailbox command x%x cannot issue Data
45 * This allows multiple uses of lpfc_msgBlk0311
46 * w/o perturbing log msg utility.
48 #define LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag) \
49 lpfc_printf_log(phba, \
52 "(%d):0311 Mailbox command x%x cannot " \
53 "issue Data: x%x x%x x%x\n", \
54 pmbox->vport ? pmbox->vport->vpi : 0, \
55 pmbox->mb.mbxCommand, \
56 phba->pport->port_state, \
61 /* There are only four IOCB completion types. */
62 typedef enum _lpfc_iocb_type {
69 /* SLI-2/SLI-3 provide different sized iocbs. Given a pointer
70 * to the start of the ring, and the slot number of the
71 * desired iocb entry, calc a pointer to that entry.
73 static inline IOCB_t *
74 lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
76 return (IOCB_t *) (((char *) pring->cmdringaddr) +
77 pring->cmdidx * phba->iocb_cmd_size);
80 static inline IOCB_t *
81 lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
83 return (IOCB_t *) (((char *) pring->rspringaddr) +
84 pring->rspidx * phba->iocb_rsp_size);
87 static struct lpfc_iocbq *
88 __lpfc_sli_get_iocbq(struct lpfc_hba *phba)
90 struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
91 struct lpfc_iocbq * iocbq = NULL;
93 list_remove_head(lpfc_iocb_list, iocbq, struct lpfc_iocbq, list);
98 lpfc_sli_get_iocbq(struct lpfc_hba *phba)
100 struct lpfc_iocbq * iocbq = NULL;
101 unsigned long iflags;
103 spin_lock_irqsave(&phba->hbalock, iflags);
104 iocbq = __lpfc_sli_get_iocbq(phba);
105 spin_unlock_irqrestore(&phba->hbalock, iflags);
110 __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
112 size_t start_clean = offsetof(struct lpfc_iocbq, iocb);
115 * Clean all volatile data fields, preserve iotag and node struct.
117 memset((char*)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean);
118 list_add_tail(&iocbq->list, &phba->lpfc_iocb_list);
122 lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
124 unsigned long iflags;
127 * Clean all volatile data fields, preserve iotag and node struct.
129 spin_lock_irqsave(&phba->hbalock, iflags);
130 __lpfc_sli_release_iocbq(phba, iocbq);
131 spin_unlock_irqrestore(&phba->hbalock, iflags);
135 * Translate the iocb command to an iocb command type used to decide the final
136 * disposition of each completed IOCB.
138 static lpfc_iocb_type
139 lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd)
141 lpfc_iocb_type type = LPFC_UNKNOWN_IOCB;
143 if (iocb_cmnd > CMD_MAX_IOCB_CMD)
147 case CMD_XMIT_SEQUENCE_CR:
148 case CMD_XMIT_SEQUENCE_CX:
149 case CMD_XMIT_BCAST_CN:
150 case CMD_XMIT_BCAST_CX:
151 case CMD_ELS_REQUEST_CR:
152 case CMD_ELS_REQUEST_CX:
153 case CMD_CREATE_XRI_CR:
154 case CMD_CREATE_XRI_CX:
156 case CMD_XMIT_ELS_RSP_CX:
158 case CMD_FCP_IWRITE_CR:
159 case CMD_FCP_IWRITE_CX:
160 case CMD_FCP_IREAD_CR:
161 case CMD_FCP_IREAD_CX:
162 case CMD_FCP_ICMND_CR:
163 case CMD_FCP_ICMND_CX:
164 case CMD_FCP_TSEND_CX:
165 case CMD_FCP_TRSP_CX:
166 case CMD_FCP_TRECEIVE_CX:
167 case CMD_FCP_AUTO_TRSP_CX:
168 case CMD_ADAPTER_MSG:
169 case CMD_ADAPTER_DUMP:
170 case CMD_XMIT_SEQUENCE64_CR:
171 case CMD_XMIT_SEQUENCE64_CX:
172 case CMD_XMIT_BCAST64_CN:
173 case CMD_XMIT_BCAST64_CX:
174 case CMD_ELS_REQUEST64_CR:
175 case CMD_ELS_REQUEST64_CX:
176 case CMD_FCP_IWRITE64_CR:
177 case CMD_FCP_IWRITE64_CX:
178 case CMD_FCP_IREAD64_CR:
179 case CMD_FCP_IREAD64_CX:
180 case CMD_FCP_ICMND64_CR:
181 case CMD_FCP_ICMND64_CX:
182 case CMD_FCP_TSEND64_CX:
183 case CMD_FCP_TRSP64_CX:
184 case CMD_FCP_TRECEIVE64_CX:
185 case CMD_GEN_REQUEST64_CR:
186 case CMD_GEN_REQUEST64_CX:
187 case CMD_XMIT_ELS_RSP64_CX:
188 type = LPFC_SOL_IOCB;
190 case CMD_ABORT_XRI_CN:
191 case CMD_ABORT_XRI_CX:
192 case CMD_CLOSE_XRI_CN:
193 case CMD_CLOSE_XRI_CX:
194 case CMD_XRI_ABORTED_CX:
195 case CMD_ABORT_MXRI64_CN:
196 type = LPFC_ABORT_IOCB;
198 case CMD_RCV_SEQUENCE_CX:
199 case CMD_RCV_ELS_REQ_CX:
200 case CMD_RCV_SEQUENCE64_CX:
201 case CMD_RCV_ELS_REQ64_CX:
202 case CMD_ASYNC_STATUS:
203 case CMD_IOCB_RCV_SEQ64_CX:
204 case CMD_IOCB_RCV_ELS64_CX:
205 case CMD_IOCB_RCV_CONT64_CX:
206 type = LPFC_UNSOL_IOCB;
209 type = LPFC_UNKNOWN_IOCB;
217 lpfc_sli_ring_map(struct lpfc_hba *phba)
219 struct lpfc_sli *psli = &phba->sli;
224 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
228 phba->link_state = LPFC_INIT_MBX_CMDS;
229 for (i = 0; i < psli->num_rings; i++) {
230 lpfc_config_ring(phba, i, pmb);
231 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
232 if (rc != MBX_SUCCESS) {
233 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
234 "0446 Adapter failed to init (%d), "
235 "mbxCmd x%x CFG_RING, mbxStatus x%x, "
237 rc, pmbox->mbxCommand,
238 pmbox->mbxStatus, i);
239 phba->link_state = LPFC_HBA_ERROR;
244 mempool_free(pmb, phba->mbox_mem_pool);
249 lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
250 struct lpfc_iocbq *piocb)
252 list_add_tail(&piocb->list, &pring->txcmplq);
253 pring->txcmplq_cnt++;
254 if ((unlikely(pring->ringno == LPFC_ELS_RING)) &&
255 (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) &&
256 (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) {
260 mod_timer(&piocb->vport->els_tmofunc,
261 jiffies + HZ * (phba->fc_ratov << 1));
268 static struct lpfc_iocbq *
269 lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
271 struct lpfc_iocbq *cmd_iocb;
273 list_remove_head((&pring->txq), cmd_iocb, struct lpfc_iocbq, list);
274 if (cmd_iocb != NULL)
280 lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
282 struct lpfc_pgp *pgp = (phba->sli_rev == 3) ?
283 &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] :
284 &phba->slim2p->mbx.us.s2.port[pring->ringno];
285 uint32_t max_cmd_idx = pring->numCiocb;
287 if ((pring->next_cmdidx == pring->cmdidx) &&
288 (++pring->next_cmdidx >= max_cmd_idx))
289 pring->next_cmdidx = 0;
291 if (unlikely(pring->local_getidx == pring->next_cmdidx)) {
293 pring->local_getidx = le32_to_cpu(pgp->cmdGetInx);
295 if (unlikely(pring->local_getidx >= max_cmd_idx)) {
296 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
297 "0315 Ring %d issue: portCmdGet %d "
298 "is bigger then cmd ring %d\n",
300 pring->local_getidx, max_cmd_idx);
302 phba->link_state = LPFC_HBA_ERROR;
304 * All error attention handlers are posted to
307 phba->work_ha |= HA_ERATT;
308 phba->work_hs = HS_FFER3;
310 /* hbalock should already be held */
312 lpfc_worker_wake_up(phba);
317 if (pring->local_getidx == pring->next_cmdidx)
321 return lpfc_cmd_iocb(phba, pring);
325 lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
327 struct lpfc_iocbq **new_arr;
328 struct lpfc_iocbq **old_arr;
330 struct lpfc_sli *psli = &phba->sli;
333 spin_lock_irq(&phba->hbalock);
334 iotag = psli->last_iotag;
335 if(++iotag < psli->iocbq_lookup_len) {
336 psli->last_iotag = iotag;
337 psli->iocbq_lookup[iotag] = iocbq;
338 spin_unlock_irq(&phba->hbalock);
339 iocbq->iotag = iotag;
341 } else if (psli->iocbq_lookup_len < (0xffff
342 - LPFC_IOCBQ_LOOKUP_INCREMENT)) {
343 new_len = psli->iocbq_lookup_len + LPFC_IOCBQ_LOOKUP_INCREMENT;
344 spin_unlock_irq(&phba->hbalock);
345 new_arr = kzalloc(new_len * sizeof (struct lpfc_iocbq *),
348 spin_lock_irq(&phba->hbalock);
349 old_arr = psli->iocbq_lookup;
350 if (new_len <= psli->iocbq_lookup_len) {
351 /* highly unprobable case */
353 iotag = psli->last_iotag;
354 if(++iotag < psli->iocbq_lookup_len) {
355 psli->last_iotag = iotag;
356 psli->iocbq_lookup[iotag] = iocbq;
357 spin_unlock_irq(&phba->hbalock);
358 iocbq->iotag = iotag;
361 spin_unlock_irq(&phba->hbalock);
364 if (psli->iocbq_lookup)
365 memcpy(new_arr, old_arr,
366 ((psli->last_iotag + 1) *
367 sizeof (struct lpfc_iocbq *)));
368 psli->iocbq_lookup = new_arr;
369 psli->iocbq_lookup_len = new_len;
370 psli->last_iotag = iotag;
371 psli->iocbq_lookup[iotag] = iocbq;
372 spin_unlock_irq(&phba->hbalock);
373 iocbq->iotag = iotag;
378 spin_unlock_irq(&phba->hbalock);
380 lpfc_printf_log(phba, KERN_ERR,LOG_SLI,
381 "0318 Failed to allocate IOTAG.last IOTAG is %d\n",
388 lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
389 IOCB_t *iocb, struct lpfc_iocbq *nextiocb)
394 nextiocb->iocb.ulpIoTag = (nextiocb->iocb_cmpl) ? nextiocb->iotag : 0;
396 if (pring->ringno == LPFC_ELS_RING) {
397 lpfc_debugfs_slow_ring_trc(phba,
398 "IOCB cmd ring: wd4:x%08x wd6:x%08x wd7:x%08x",
399 *(((uint32_t *) &nextiocb->iocb) + 4),
400 *(((uint32_t *) &nextiocb->iocb) + 6),
401 *(((uint32_t *) &nextiocb->iocb) + 7));
405 * Issue iocb command to adapter
407 lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, phba->iocb_cmd_size);
409 pring->stats.iocb_cmd++;
412 * If there is no completion routine to call, we can release the
413 * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF,
414 * that have no rsp ring completion, iocb_cmpl MUST be NULL.
416 if (nextiocb->iocb_cmpl)
417 lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb);
419 __lpfc_sli_release_iocbq(phba, nextiocb);
422 * Let the HBA know what IOCB slot will be the next one the
423 * driver will put a command into.
425 pring->cmdidx = pring->next_cmdidx;
426 writel(pring->cmdidx, &phba->host_gp[pring->ringno].cmdPutInx);
430 lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
432 int ringno = pring->ringno;
434 pring->flag |= LPFC_CALL_RING_AVAILABLE;
439 * Set ring 'ringno' to SET R0CE_REQ in Chip Att register.
440 * The HBA will tell us when an IOCB entry is available.
442 writel((CA_R0ATT|CA_R0CE_REQ) << (ringno*4), phba->CAregaddr);
443 readl(phba->CAregaddr); /* flush */
445 pring->stats.iocb_cmd_full++;
449 lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
451 int ringno = pring->ringno;
454 * Tell the HBA that there is work to do in this ring.
457 writel(CA_R0ATT << (ringno * 4), phba->CAregaddr);
458 readl(phba->CAregaddr); /* flush */
462 lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
465 struct lpfc_iocbq *nextiocb;
469 * (a) there is anything on the txq to send
471 * (c) link attention events can be processed (fcp ring only)
472 * (d) IOCB processing is not blocked by the outstanding mbox command.
474 if (pring->txq_cnt &&
475 lpfc_is_link_up(phba) &&
476 (pring->ringno != phba->sli.fcp_ring ||
477 phba->sli.sli_flag & LPFC_PROCESS_LA)) {
479 while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) &&
480 (nextiocb = lpfc_sli_ringtx_get(phba, pring)))
481 lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb);
484 lpfc_sli_update_ring(phba, pring);
486 lpfc_sli_update_full_ring(phba, pring);
492 struct lpfc_hbq_entry *
493 lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno)
495 struct hbq_s *hbqp = &phba->hbqs[hbqno];
497 if (hbqp->next_hbqPutIdx == hbqp->hbqPutIdx &&
498 ++hbqp->next_hbqPutIdx >= hbqp->entry_count)
499 hbqp->next_hbqPutIdx = 0;
501 if (unlikely(hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx)) {
502 uint32_t raw_index = phba->hbq_get[hbqno];
503 uint32_t getidx = le32_to_cpu(raw_index);
505 hbqp->local_hbqGetIdx = getidx;
507 if (unlikely(hbqp->local_hbqGetIdx >= hbqp->entry_count)) {
508 lpfc_printf_log(phba, KERN_ERR,
510 "1802 HBQ %d: local_hbqGetIdx "
511 "%u is > than hbqp->entry_count %u\n",
512 hbqno, hbqp->local_hbqGetIdx,
515 phba->link_state = LPFC_HBA_ERROR;
519 if (hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx)
523 return (struct lpfc_hbq_entry *) phba->hbqs[hbqno].hbq_virt +
528 lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba)
530 struct lpfc_dmabuf *dmabuf, *next_dmabuf;
531 struct hbq_dmabuf *hbq_buf;
534 hbq_count = lpfc_sli_hbq_count();
535 /* Return all memory used by all HBQs */
536 for (i = 0; i < hbq_count; ++i) {
537 list_for_each_entry_safe(dmabuf, next_dmabuf,
538 &phba->hbqs[i].hbq_buffer_list, list) {
539 hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf);
540 list_del(&hbq_buf->dbuf.list);
541 (phba->hbqs[i].hbq_free_buffer)(phba, hbq_buf);
543 phba->hbqs[i].buffer_count = 0;
547 static struct lpfc_hbq_entry *
548 lpfc_sli_hbq_to_firmware(struct lpfc_hba *phba, uint32_t hbqno,
549 struct hbq_dmabuf *hbq_buf)
551 struct lpfc_hbq_entry *hbqe;
552 dma_addr_t physaddr = hbq_buf->dbuf.phys;
554 /* Get next HBQ entry slot to use */
555 hbqe = lpfc_sli_next_hbq_slot(phba, hbqno);
557 struct hbq_s *hbqp = &phba->hbqs[hbqno];
559 hbqe->bde.addrHigh = le32_to_cpu(putPaddrHigh(physaddr));
560 hbqe->bde.addrLow = le32_to_cpu(putPaddrLow(physaddr));
561 hbqe->bde.tus.f.bdeSize = hbq_buf->size;
562 hbqe->bde.tus.f.bdeFlags = 0;
563 hbqe->bde.tus.w = le32_to_cpu(hbqe->bde.tus.w);
564 hbqe->buffer_tag = le32_to_cpu(hbq_buf->tag);
566 hbqp->hbqPutIdx = hbqp->next_hbqPutIdx;
567 writel(hbqp->hbqPutIdx, phba->hbq_put + hbqno);
569 readl(phba->hbq_put + hbqno);
570 list_add_tail(&hbq_buf->dbuf.list, &hbqp->hbq_buffer_list);
575 static struct lpfc_hbq_init lpfc_els_hbq = {
580 .ring_mask = (1 << LPFC_ELS_RING),
586 static struct lpfc_hbq_init lpfc_extra_hbq = {
591 .ring_mask = (1 << LPFC_EXTRA_RING),
597 struct lpfc_hbq_init *lpfc_hbq_defs[] = {
603 lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count)
605 uint32_t i, start, end;
606 struct hbq_dmabuf *hbq_buffer;
608 if (!phba->hbqs[hbqno].hbq_alloc_buffer) {
612 start = phba->hbqs[hbqno].buffer_count;
614 if (end > lpfc_hbq_defs[hbqno]->entry_count) {
615 end = lpfc_hbq_defs[hbqno]->entry_count;
618 /* Populate HBQ entries */
619 for (i = start; i < end; i++) {
620 hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba);
623 hbq_buffer->tag = (i | (hbqno << 16));
624 if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer))
625 phba->hbqs[hbqno].buffer_count++;
627 (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer);
633 lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno)
635 return(lpfc_sli_hbqbuf_fill_hbqs(phba, qno,
636 lpfc_hbq_defs[qno]->add_count));
640 lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno)
642 return(lpfc_sli_hbqbuf_fill_hbqs(phba, qno,
643 lpfc_hbq_defs[qno]->init_count));
647 lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag)
649 struct lpfc_dmabuf *d_buf;
650 struct hbq_dmabuf *hbq_buf;
654 if (hbqno >= LPFC_MAX_HBQS)
657 list_for_each_entry(d_buf, &phba->hbqs[hbqno].hbq_buffer_list, list) {
658 hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf);
659 if (hbq_buf->tag == tag) {
663 lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_VPORT,
664 "1803 Bad hbq tag. Data: x%x x%x\n",
665 tag, phba->hbqs[tag >> 16].buffer_count);
670 lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer)
675 hbqno = hbq_buffer->tag >> 16;
676 if (!lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) {
677 (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer);
683 lpfc_sli_chk_mbx_command(uint8_t mbxCommand)
687 switch (mbxCommand) {
691 case MBX_WRITE_VPARMS:
692 case MBX_RUN_BIU_DIAG:
695 case MBX_CONFIG_LINK:
696 case MBX_CONFIG_RING:
698 case MBX_READ_CONFIG:
699 case MBX_READ_RCONFIG:
701 case MBX_READ_STATUS:
705 case MBX_READ_LNK_STAT:
707 case MBX_UNREG_LOGIN:
710 case MBX_DUMP_MEMORY:
711 case MBX_DUMP_CONTEXT:
716 case MBX_DEL_LD_ENTRY:
717 case MBX_RUN_PROGRAM:
722 case MBX_CONFIG_FARP:
725 case MBX_RUN_BIU_DIAG64:
726 case MBX_CONFIG_PORT:
727 case MBX_READ_SPARM64:
729 case MBX_REG_LOGIN64:
731 case MBX_FLASH_WR_ULA:
733 case MBX_LOAD_EXP_ROM:
734 case MBX_ASYNCEVT_ENABLE:
747 lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
749 wait_queue_head_t *pdone_q;
750 unsigned long drvr_flag;
753 * If pdone_q is empty, the driver thread gave up waiting and
756 pmboxq->mbox_flag |= LPFC_MBX_WAKE;
757 spin_lock_irqsave(&phba->hbalock, drvr_flag);
758 pdone_q = (wait_queue_head_t *) pmboxq->context1;
760 wake_up_interruptible(pdone_q);
761 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
766 lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
768 struct lpfc_dmabuf *mp;
772 mp = (struct lpfc_dmabuf *) (pmb->context1);
775 lpfc_mbuf_free(phba, mp->virt, mp->phys);
780 * If a REG_LOGIN succeeded after node is destroyed or node
781 * is in re-discovery driver need to cleanup the RPI.
783 if (!(phba->pport->load_flag & FC_UNLOADING) &&
784 pmb->mb.mbxCommand == MBX_REG_LOGIN64 &&
785 !pmb->mb.mbxStatus) {
787 rpi = pmb->mb.un.varWords[0];
788 lpfc_unreg_login(phba, pmb->mb.un.varRegLogin.vpi, rpi, pmb);
789 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
790 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
791 if (rc != MBX_NOT_FINISHED)
795 mempool_free(pmb, phba->mbox_mem_pool);
800 lpfc_sli_handle_mb_event(struct lpfc_hba *phba)
807 phba->sli.slistat.mbox_event++;
809 /* Get all completed mailboxe buffers into the cmplq */
810 spin_lock_irq(&phba->hbalock);
811 list_splice_init(&phba->sli.mboxq_cmpl, &cmplq);
812 spin_unlock_irq(&phba->hbalock);
814 /* Get a Mailbox buffer to setup mailbox commands for callback */
816 list_remove_head(&cmplq, pmb, LPFC_MBOXQ_t, list);
822 if (pmbox->mbxCommand != MBX_HEARTBEAT) {
824 lpfc_debugfs_disc_trc(pmb->vport,
825 LPFC_DISC_TRC_MBOX_VPORT,
826 "MBOX cmpl vport: cmd:x%x mb:x%x x%x",
827 (uint32_t)pmbox->mbxCommand,
828 pmbox->un.varWords[0],
829 pmbox->un.varWords[1]);
832 lpfc_debugfs_disc_trc(phba->pport,
834 "MBOX cmpl: cmd:x%x mb:x%x x%x",
835 (uint32_t)pmbox->mbxCommand,
836 pmbox->un.varWords[0],
837 pmbox->un.varWords[1]);
842 * It is a fatal error if unknown mbox command completion.
844 if (lpfc_sli_chk_mbx_command(pmbox->mbxCommand) ==
846 /* Unknow mailbox command compl */
847 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
848 "(%d):0323 Unknown Mailbox command "
850 pmb->vport ? pmb->vport->vpi : 0,
852 phba->link_state = LPFC_HBA_ERROR;
853 phba->work_hs = HS_FFER3;
854 lpfc_handle_eratt(phba);
858 if (pmbox->mbxStatus) {
859 phba->sli.slistat.mbox_stat_err++;
860 if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) {
861 /* Mbox cmd cmpl error - RETRYing */
862 lpfc_printf_log(phba, KERN_INFO,
864 "(%d):0305 Mbox cmd cmpl "
865 "error - RETRYing Data: x%x "
867 pmb->vport ? pmb->vport->vpi :0,
870 pmbox->un.varWords[0],
871 pmb->vport->port_state);
872 pmbox->mbxStatus = 0;
873 pmbox->mbxOwner = OWN_HOST;
874 spin_lock_irq(&phba->hbalock);
875 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
876 spin_unlock_irq(&phba->hbalock);
877 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
878 if (rc == MBX_SUCCESS)
883 /* Mailbox cmd <cmd> Cmpl <cmpl> */
884 lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
885 "(%d):0307 Mailbox cmd x%x Cmpl x%p "
886 "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x\n",
887 pmb->vport ? pmb->vport->vpi : 0,
890 *((uint32_t *) pmbox),
891 pmbox->un.varWords[0],
892 pmbox->un.varWords[1],
893 pmbox->un.varWords[2],
894 pmbox->un.varWords[3],
895 pmbox->un.varWords[4],
896 pmbox->un.varWords[5],
897 pmbox->un.varWords[6],
898 pmbox->un.varWords[7]);
901 pmb->mbox_cmpl(phba,pmb);
906 static struct lpfc_dmabuf *
907 lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag)
909 struct hbq_dmabuf *hbq_entry, *new_hbq_entry;
911 void *virt; /* virtual address ptr */
912 dma_addr_t phys; /* mapped address */
914 hbq_entry = lpfc_sli_hbqbuf_find(phba, tag);
915 if (hbq_entry == NULL)
917 list_del(&hbq_entry->dbuf.list);
920 new_hbq_entry = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba);
921 if (new_hbq_entry == NULL)
922 return &hbq_entry->dbuf;
923 new_hbq_entry->tag = -1;
924 phys = new_hbq_entry->dbuf.phys;
925 virt = new_hbq_entry->dbuf.virt;
926 new_hbq_entry->dbuf.phys = hbq_entry->dbuf.phys;
927 new_hbq_entry->dbuf.virt = hbq_entry->dbuf.virt;
928 hbq_entry->dbuf.phys = phys;
929 hbq_entry->dbuf.virt = virt;
930 lpfc_sli_free_hbq(phba, hbq_entry);
931 return &new_hbq_entry->dbuf;
936 lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
937 struct lpfc_iocbq *saveq)
945 irsp = &(saveq->iocb);
947 if (irsp->ulpCommand == CMD_ASYNC_STATUS) {
948 if (pring->lpfc_sli_rcv_async_status)
949 pring->lpfc_sli_rcv_async_status(phba, pring, saveq);
951 lpfc_printf_log(phba,
954 "0316 Ring %d handler: unexpected "
955 "ASYNC_STATUS iocb received evt_code "
958 irsp->un.asyncstat.evt_code);
962 if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX)
963 || (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX)
964 || (irsp->ulpCommand == CMD_IOCB_RCV_ELS64_CX)
965 || (irsp->ulpCommand == CMD_IOCB_RCV_CONT64_CX)) {
970 (WORD5 *) & (saveq->iocb.un.
972 Rctl = w5p->hcsw.Rctl;
973 Type = w5p->hcsw.Type;
975 /* Firmware Workaround */
976 if ((Rctl == 0) && (pring->ringno == LPFC_ELS_RING) &&
977 (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX ||
978 irsp->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) {
981 w5p->hcsw.Rctl = Rctl;
982 w5p->hcsw.Type = Type;
986 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
987 if (irsp->ulpBdeCount != 0)
988 saveq->context2 = lpfc_sli_replace_hbqbuff(phba,
989 irsp->un.ulpWord[3]);
990 if (irsp->ulpBdeCount == 2)
991 saveq->context3 = lpfc_sli_replace_hbqbuff(phba,
992 irsp->unsli3.sli3Words[7]);
995 /* unSolicited Responses */
996 if (pring->prt[0].profile) {
997 if (pring->prt[0].lpfc_sli_rcv_unsol_event)
998 (pring->prt[0].lpfc_sli_rcv_unsol_event) (phba, pring,
1002 /* We must search, based on rctl / type
1003 for the right routine */
1004 for (i = 0; i < pring->num_mask;
1006 if ((pring->prt[i].rctl ==
1010 if (pring->prt[i].lpfc_sli_rcv_unsol_event)
1011 (pring->prt[i].lpfc_sli_rcv_unsol_event)
1012 (phba, pring, saveq);
1019 /* Unexpected Rctl / Type received */
1020 /* Ring <ringno> handler: unexpected
1021 Rctl <Rctl> Type <Type> received */
1022 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
1023 "0313 Ring %d handler: unexpected Rctl x%x "
1024 "Type x%x received\n",
1025 pring->ringno, Rctl, Type);
1030 static struct lpfc_iocbq *
1031 lpfc_sli_iocbq_lookup(struct lpfc_hba *phba,
1032 struct lpfc_sli_ring *pring,
1033 struct lpfc_iocbq *prspiocb)
1035 struct lpfc_iocbq *cmd_iocb = NULL;
1038 iotag = prspiocb->iocb.ulpIoTag;
1040 if (iotag != 0 && iotag <= phba->sli.last_iotag) {
1041 cmd_iocb = phba->sli.iocbq_lookup[iotag];
1042 list_del_init(&cmd_iocb->list);
1043 pring->txcmplq_cnt--;
1047 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
1048 "0317 iotag x%x is out off "
1049 "range: max iotag x%x wd0 x%x\n",
1050 iotag, phba->sli.last_iotag,
1051 *(((uint32_t *) &prspiocb->iocb) + 7));
1056 lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
1057 struct lpfc_iocbq *saveq)
1059 struct lpfc_iocbq *cmdiocbp;
1061 unsigned long iflag;
1063 /* Based on the iotag field, get the cmd IOCB from the txcmplq */
1064 spin_lock_irqsave(&phba->hbalock, iflag);
1065 cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, saveq);
1066 spin_unlock_irqrestore(&phba->hbalock, iflag);
1069 if (cmdiocbp->iocb_cmpl) {
1071 * Post all ELS completions to the worker thread.
1072 * All other are passed to the completion callback.
1074 if (pring->ringno == LPFC_ELS_RING) {
1075 if (cmdiocbp->iocb_flag & LPFC_DRIVER_ABORTED) {
1076 cmdiocbp->iocb_flag &=
1077 ~LPFC_DRIVER_ABORTED;
1078 saveq->iocb.ulpStatus =
1079 IOSTAT_LOCAL_REJECT;
1080 saveq->iocb.un.ulpWord[4] =
1084 (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq);
1086 lpfc_sli_release_iocbq(phba, cmdiocbp);
1089 * Unknown initiating command based on the response iotag.
1090 * This could be the case on the ELS ring because of
1093 if (pring->ringno != LPFC_ELS_RING) {
1095 * Ring <ringno> handler: unexpected completion IoTag
1098 lpfc_printf_vlog(cmdiocbp->vport, KERN_WARNING, LOG_SLI,
1099 "0322 Ring %d handler: "
1100 "unexpected completion IoTag x%x "
1101 "Data: x%x x%x x%x x%x\n",
1103 saveq->iocb.ulpIoTag,
1104 saveq->iocb.ulpStatus,
1105 saveq->iocb.un.ulpWord[4],
1106 saveq->iocb.ulpCommand,
1107 saveq->iocb.ulpContext);
1115 lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
1117 struct lpfc_pgp *pgp = (phba->sli_rev == 3) ?
1118 &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] :
1119 &phba->slim2p->mbx.us.s2.port[pring->ringno];
1121 * Ring <ringno> handler: portRspPut <portRspPut> is bigger then
1122 * rsp ring <portRspMax>
1124 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
1125 "0312 Ring %d handler: portRspPut %d "
1126 "is bigger then rsp ring %d\n",
1127 pring->ringno, le32_to_cpu(pgp->rspPutInx),
1130 phba->link_state = LPFC_HBA_ERROR;
1133 * All error attention handlers are posted to
1136 phba->work_ha |= HA_ERATT;
1137 phba->work_hs = HS_FFER3;
1139 /* hbalock should already be held */
1140 if (phba->work_wait)
1141 lpfc_worker_wake_up(phba);
1146 void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba)
1148 struct lpfc_sli *psli = &phba->sli;
1149 struct lpfc_sli_ring *pring = &psli->ring[LPFC_FCP_RING];
1150 IOCB_t *irsp = NULL;
1151 IOCB_t *entry = NULL;
1152 struct lpfc_iocbq *cmdiocbq = NULL;
1153 struct lpfc_iocbq rspiocbq;
1154 struct lpfc_pgp *pgp;
1156 uint32_t portRspPut, portRspMax;
1158 uint32_t rsp_cmpl = 0;
1160 unsigned long iflags;
1162 pring->stats.iocb_event++;
1164 pgp = (phba->sli_rev == 3) ?
1165 &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] :
1166 &phba->slim2p->mbx.us.s2.port[pring->ringno];
1170 * The next available response entry should never exceed the maximum
1171 * entries. If it does, treat it as an adapter hardware error.
1173 portRspMax = pring->numRiocb;
1174 portRspPut = le32_to_cpu(pgp->rspPutInx);
1175 if (unlikely(portRspPut >= portRspMax)) {
1176 lpfc_sli_rsp_pointers_error(phba, pring);
1181 while (pring->rspidx != portRspPut) {
1182 entry = lpfc_resp_iocb(phba, pring);
1183 if (++pring->rspidx >= portRspMax)
1186 lpfc_sli_pcimem_bcopy((uint32_t *) entry,
1187 (uint32_t *) &rspiocbq.iocb,
1188 phba->iocb_rsp_size);
1189 irsp = &rspiocbq.iocb;
1190 type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK);
1191 pring->stats.iocb_rsp++;
1194 if (unlikely(irsp->ulpStatus)) {
1195 /* Rsp ring <ringno> error: IOCB */
1196 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
1197 "0326 Rsp Ring %d error: IOCB Data: "
1198 "x%x x%x x%x x%x x%x x%x x%x x%x\n",
1200 irsp->un.ulpWord[0],
1201 irsp->un.ulpWord[1],
1202 irsp->un.ulpWord[2],
1203 irsp->un.ulpWord[3],
1204 irsp->un.ulpWord[4],
1205 irsp->un.ulpWord[5],
1206 *(((uint32_t *) irsp) + 6),
1207 *(((uint32_t *) irsp) + 7));
1211 case LPFC_ABORT_IOCB:
1214 * Idle exchange closed via ABTS from port. No iocb
1215 * resources need to be recovered.
1217 if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) {
1218 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
1219 "0314 IOCB cmd 0x%x "
1220 "processed. Skipping "
1226 spin_lock_irqsave(&phba->hbalock, iflags);
1227 cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring,
1229 spin_unlock_irqrestore(&phba->hbalock, iflags);
1230 if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) {
1231 (cmdiocbq->iocb_cmpl)(phba, cmdiocbq,
1236 if (irsp->ulpCommand == CMD_ADAPTER_MSG) {
1237 char adaptermsg[LPFC_MAX_ADPTMSG];
1238 memset(adaptermsg, 0, LPFC_MAX_ADPTMSG);
1239 memcpy(&adaptermsg[0], (uint8_t *) irsp,
1241 dev_warn(&((phba->pcidev)->dev),
1243 phba->brd_no, adaptermsg);
1245 /* Unknown IOCB command */
1246 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
1247 "0321 Unknown IOCB command "
1248 "Data: x%x, x%x x%x x%x x%x\n",
1249 type, irsp->ulpCommand,
1258 * The response IOCB has been processed. Update the ring
1259 * pointer in SLIM. If the port response put pointer has not
1260 * been updated, sync the pgp->rspPutInx and fetch the new port
1261 * response put pointer.
1263 writel(pring->rspidx, &phba->host_gp[pring->ringno].rspGetInx);
1265 if (pring->rspidx == portRspPut)
1266 portRspPut = le32_to_cpu(pgp->rspPutInx);
1269 ha_copy = readl(phba->HAregaddr);
1270 ha_copy >>= (LPFC_FCP_RING * 4);
1272 if ((rsp_cmpl > 0) && (ha_copy & HA_R0RE_REQ)) {
1273 spin_lock_irqsave(&phba->hbalock, iflags);
1274 pring->stats.iocb_rsp_full++;
1275 status = ((CA_R0ATT | CA_R0RE_RSP) << (LPFC_FCP_RING * 4));
1276 writel(status, phba->CAregaddr);
1277 readl(phba->CAregaddr);
1278 spin_unlock_irqrestore(&phba->hbalock, iflags);
1280 if ((ha_copy & HA_R0CE_RSP) &&
1281 (pring->flag & LPFC_CALL_RING_AVAILABLE)) {
1282 spin_lock_irqsave(&phba->hbalock, iflags);
1283 pring->flag &= ~LPFC_CALL_RING_AVAILABLE;
1284 pring->stats.iocb_cmd_empty++;
1286 /* Force update of the local copy of cmdGetInx */
1287 pring->local_getidx = le32_to_cpu(pgp->cmdGetInx);
1288 lpfc_sli_resume_iocb(phba, pring);
1290 if ((pring->lpfc_sli_cmd_available))
1291 (pring->lpfc_sli_cmd_available) (phba, pring);
1293 spin_unlock_irqrestore(&phba->hbalock, iflags);
1300 * This routine presumes LPFC_FCP_RING handling and doesn't bother
1301 * to check it explicitly.
1304 lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
1305 struct lpfc_sli_ring *pring, uint32_t mask)
1307 struct lpfc_pgp *pgp = (phba->sli_rev == 3) ?
1308 &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] :
1309 &phba->slim2p->mbx.us.s2.port[pring->ringno];
1310 IOCB_t *irsp = NULL;
1311 IOCB_t *entry = NULL;
1312 struct lpfc_iocbq *cmdiocbq = NULL;
1313 struct lpfc_iocbq rspiocbq;
1315 uint32_t portRspPut, portRspMax;
1317 lpfc_iocb_type type;
1318 unsigned long iflag;
1319 uint32_t rsp_cmpl = 0;
1321 spin_lock_irqsave(&phba->hbalock, iflag);
1322 pring->stats.iocb_event++;
1325 * The next available response entry should never exceed the maximum
1326 * entries. If it does, treat it as an adapter hardware error.
1328 portRspMax = pring->numRiocb;
1329 portRspPut = le32_to_cpu(pgp->rspPutInx);
1330 if (unlikely(portRspPut >= portRspMax)) {
1331 lpfc_sli_rsp_pointers_error(phba, pring);
1332 spin_unlock_irqrestore(&phba->hbalock, iflag);
1337 while (pring->rspidx != portRspPut) {
1339 * Fetch an entry off the ring and copy it into a local data
1340 * structure. The copy involves a byte-swap since the
1341 * network byte order and pci byte orders are different.
1343 entry = lpfc_resp_iocb(phba, pring);
1344 phba->last_completion_time = jiffies;
1346 if (++pring->rspidx >= portRspMax)
1349 lpfc_sli_pcimem_bcopy((uint32_t *) entry,
1350 (uint32_t *) &rspiocbq.iocb,
1351 phba->iocb_rsp_size);
1352 INIT_LIST_HEAD(&(rspiocbq.list));
1353 irsp = &rspiocbq.iocb;
1355 type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK);
1356 pring->stats.iocb_rsp++;
1359 if (unlikely(irsp->ulpStatus)) {
1361 * If resource errors reported from HBA, reduce
1362 * queuedepths of the SCSI device.
1364 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1365 (irsp->un.ulpWord[4] == IOERR_NO_RESOURCES)) {
1366 spin_unlock_irqrestore(&phba->hbalock, iflag);
1367 lpfc_adjust_queue_depth(phba);
1368 spin_lock_irqsave(&phba->hbalock, iflag);
1371 /* Rsp ring <ringno> error: IOCB */
1372 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
1373 "0336 Rsp Ring %d error: IOCB Data: "
1374 "x%x x%x x%x x%x x%x x%x x%x x%x\n",
1376 irsp->un.ulpWord[0],
1377 irsp->un.ulpWord[1],
1378 irsp->un.ulpWord[2],
1379 irsp->un.ulpWord[3],
1380 irsp->un.ulpWord[4],
1381 irsp->un.ulpWord[5],
1382 *(((uint32_t *) irsp) + 6),
1383 *(((uint32_t *) irsp) + 7));
1387 case LPFC_ABORT_IOCB:
1390 * Idle exchange closed via ABTS from port. No iocb
1391 * resources need to be recovered.
1393 if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) {
1394 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
1395 "0333 IOCB cmd 0x%x"
1396 " processed. Skipping"
1402 cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring,
1404 if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) {
1405 if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
1406 (cmdiocbq->iocb_cmpl)(phba, cmdiocbq,
1409 spin_unlock_irqrestore(&phba->hbalock,
1411 (cmdiocbq->iocb_cmpl)(phba, cmdiocbq,
1413 spin_lock_irqsave(&phba->hbalock,
1418 case LPFC_UNSOL_IOCB:
1419 spin_unlock_irqrestore(&phba->hbalock, iflag);
1420 lpfc_sli_process_unsol_iocb(phba, pring, &rspiocbq);
1421 spin_lock_irqsave(&phba->hbalock, iflag);
1424 if (irsp->ulpCommand == CMD_ADAPTER_MSG) {
1425 char adaptermsg[LPFC_MAX_ADPTMSG];
1426 memset(adaptermsg, 0, LPFC_MAX_ADPTMSG);
1427 memcpy(&adaptermsg[0], (uint8_t *) irsp,
1429 dev_warn(&((phba->pcidev)->dev),
1431 phba->brd_no, adaptermsg);
1433 /* Unknown IOCB command */
1434 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
1435 "0334 Unknown IOCB command "
1436 "Data: x%x, x%x x%x x%x x%x\n",
1437 type, irsp->ulpCommand,
1446 * The response IOCB has been processed. Update the ring
1447 * pointer in SLIM. If the port response put pointer has not
1448 * been updated, sync the pgp->rspPutInx and fetch the new port
1449 * response put pointer.
1451 writel(pring->rspidx, &phba->host_gp[pring->ringno].rspGetInx);
1453 if (pring->rspidx == portRspPut)
1454 portRspPut = le32_to_cpu(pgp->rspPutInx);
1457 if ((rsp_cmpl > 0) && (mask & HA_R0RE_REQ)) {
1458 pring->stats.iocb_rsp_full++;
1459 status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4));
1460 writel(status, phba->CAregaddr);
1461 readl(phba->CAregaddr);
1463 if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) {
1464 pring->flag &= ~LPFC_CALL_RING_AVAILABLE;
1465 pring->stats.iocb_cmd_empty++;
1467 /* Force update of the local copy of cmdGetInx */
1468 pring->local_getidx = le32_to_cpu(pgp->cmdGetInx);
1469 lpfc_sli_resume_iocb(phba, pring);
1471 if ((pring->lpfc_sli_cmd_available))
1472 (pring->lpfc_sli_cmd_available) (phba, pring);
1476 spin_unlock_irqrestore(&phba->hbalock, iflag);
1481 lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba,
1482 struct lpfc_sli_ring *pring, uint32_t mask)
1484 struct lpfc_pgp *pgp = (phba->sli_rev == 3) ?
1485 &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] :
1486 &phba->slim2p->mbx.us.s2.port[pring->ringno];
1488 IOCB_t *irsp = NULL;
1489 struct lpfc_iocbq *rspiocbp = NULL;
1490 struct lpfc_iocbq *next_iocb;
1491 struct lpfc_iocbq *cmdiocbp;
1492 struct lpfc_iocbq *saveq;
1493 uint8_t iocb_cmd_type;
1494 lpfc_iocb_type type;
1495 uint32_t status, free_saveq;
1496 uint32_t portRspPut, portRspMax;
1498 unsigned long iflag;
1500 spin_lock_irqsave(&phba->hbalock, iflag);
1501 pring->stats.iocb_event++;
1504 * The next available response entry should never exceed the maximum
1505 * entries. If it does, treat it as an adapter hardware error.
1507 portRspMax = pring->numRiocb;
1508 portRspPut = le32_to_cpu(pgp->rspPutInx);
1509 if (portRspPut >= portRspMax) {
1511 * Ring <ringno> handler: portRspPut <portRspPut> is bigger then
1512 * rsp ring <portRspMax>
1514 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
1515 "0303 Ring %d handler: portRspPut %d "
1516 "is bigger then rsp ring %d\n",
1517 pring->ringno, portRspPut, portRspMax);
1519 phba->link_state = LPFC_HBA_ERROR;
1520 spin_unlock_irqrestore(&phba->hbalock, iflag);
1522 phba->work_hs = HS_FFER3;
1523 lpfc_handle_eratt(phba);
1529 while (pring->rspidx != portRspPut) {
1531 * Build a completion list and call the appropriate handler.
1532 * The process is to get the next available response iocb, get
1533 * a free iocb from the list, copy the response data into the
1534 * free iocb, insert to the continuation list, and update the
1535 * next response index to slim. This process makes response
1536 * iocb's in the ring available to DMA as fast as possible but
1537 * pays a penalty for a copy operation. Since the iocb is
1538 * only 32 bytes, this penalty is considered small relative to
1539 * the PCI reads for register values and a slim write. When
1540 * the ulpLe field is set, the entire Command has been
1543 entry = lpfc_resp_iocb(phba, pring);
1545 phba->last_completion_time = jiffies;
1546 rspiocbp = __lpfc_sli_get_iocbq(phba);
1547 if (rspiocbp == NULL) {
1548 printk(KERN_ERR "%s: out of buffers! Failing "
1549 "completion.\n", __FUNCTION__);
1553 lpfc_sli_pcimem_bcopy(entry, &rspiocbp->iocb,
1554 phba->iocb_rsp_size);
1555 irsp = &rspiocbp->iocb;
1557 if (++pring->rspidx >= portRspMax)
1560 if (pring->ringno == LPFC_ELS_RING) {
1561 lpfc_debugfs_slow_ring_trc(phba,
1562 "IOCB rsp ring: wd4:x%08x wd6:x%08x wd7:x%08x",
1563 *(((uint32_t *) irsp) + 4),
1564 *(((uint32_t *) irsp) + 6),
1565 *(((uint32_t *) irsp) + 7));
1568 writel(pring->rspidx, &phba->host_gp[pring->ringno].rspGetInx);
1570 if (list_empty(&(pring->iocb_continueq))) {
1571 list_add(&rspiocbp->list, &(pring->iocb_continueq));
1573 list_add_tail(&rspiocbp->list,
1574 &(pring->iocb_continueq));
1577 pring->iocb_continueq_cnt++;
1580 * By default, the driver expects to free all resources
1581 * associated with this iocb completion.
1584 saveq = list_get_first(&pring->iocb_continueq,
1585 struct lpfc_iocbq, list);
1586 irsp = &(saveq->iocb);
1587 list_del_init(&pring->iocb_continueq);
1588 pring->iocb_continueq_cnt = 0;
1590 pring->stats.iocb_rsp++;
1593 * If resource errors reported from HBA, reduce
1594 * queuedepths of the SCSI device.
1596 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
1597 (irsp->un.ulpWord[4] == IOERR_NO_RESOURCES)) {
1598 spin_unlock_irqrestore(&phba->hbalock, iflag);
1599 lpfc_adjust_queue_depth(phba);
1600 spin_lock_irqsave(&phba->hbalock, iflag);
1603 if (irsp->ulpStatus) {
1604 /* Rsp ring <ringno> error: IOCB */
1605 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
1606 "0328 Rsp Ring %d error: "
1611 "x%x x%x x%x x%x\n",
1613 irsp->un.ulpWord[0],
1614 irsp->un.ulpWord[1],
1615 irsp->un.ulpWord[2],
1616 irsp->un.ulpWord[3],
1617 irsp->un.ulpWord[4],
1618 irsp->un.ulpWord[5],
1619 *(((uint32_t *) irsp) + 6),
1620 *(((uint32_t *) irsp) + 7),
1621 *(((uint32_t *) irsp) + 8),
1622 *(((uint32_t *) irsp) + 9),
1623 *(((uint32_t *) irsp) + 10),
1624 *(((uint32_t *) irsp) + 11),
1625 *(((uint32_t *) irsp) + 12),
1626 *(((uint32_t *) irsp) + 13),
1627 *(((uint32_t *) irsp) + 14),
1628 *(((uint32_t *) irsp) + 15));
1632 * Fetch the IOCB command type and call the correct
1633 * completion routine. Solicited and Unsolicited
1634 * IOCBs on the ELS ring get freed back to the
1635 * lpfc_iocb_list by the discovery kernel thread.
1637 iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK;
1638 type = lpfc_sli_iocb_cmd_type(iocb_cmd_type);
1639 if (type == LPFC_SOL_IOCB) {
1640 spin_unlock_irqrestore(&phba->hbalock,
1642 rc = lpfc_sli_process_sol_iocb(phba, pring,
1644 spin_lock_irqsave(&phba->hbalock, iflag);
1645 } else if (type == LPFC_UNSOL_IOCB) {
1646 spin_unlock_irqrestore(&phba->hbalock,
1648 rc = lpfc_sli_process_unsol_iocb(phba, pring,
1650 spin_lock_irqsave(&phba->hbalock, iflag);
1651 } else if (type == LPFC_ABORT_IOCB) {
1652 if ((irsp->ulpCommand != CMD_XRI_ABORTED_CX) &&
1654 lpfc_sli_iocbq_lookup(phba, pring,
1656 /* Call the specified completion
1658 if (cmdiocbp->iocb_cmpl) {
1659 spin_unlock_irqrestore(
1662 (cmdiocbp->iocb_cmpl) (phba,
1668 __lpfc_sli_release_iocbq(phba,
1671 } else if (type == LPFC_UNKNOWN_IOCB) {
1672 if (irsp->ulpCommand == CMD_ADAPTER_MSG) {
1674 char adaptermsg[LPFC_MAX_ADPTMSG];
1676 memset(adaptermsg, 0,
1678 memcpy(&adaptermsg[0], (uint8_t *) irsp,
1680 dev_warn(&((phba->pcidev)->dev),
1682 phba->brd_no, adaptermsg);
1684 /* Unknown IOCB command */
1685 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
1686 "0335 Unknown IOCB "
1687 "command Data: x%x "
1697 list_for_each_entry_safe(rspiocbp, next_iocb,
1698 &saveq->list, list) {
1699 list_del(&rspiocbp->list);
1700 __lpfc_sli_release_iocbq(phba,
1703 __lpfc_sli_release_iocbq(phba, saveq);
1709 * If the port response put pointer has not been updated, sync
1710 * the pgp->rspPutInx in the MAILBOX_tand fetch the new port
1711 * response put pointer.
1713 if (pring->rspidx == portRspPut) {
1714 portRspPut = le32_to_cpu(pgp->rspPutInx);
1716 } /* while (pring->rspidx != portRspPut) */
1718 if ((rspiocbp != NULL) && (mask & HA_R0RE_REQ)) {
1719 /* At least one response entry has been freed */
1720 pring->stats.iocb_rsp_full++;
1721 /* SET RxRE_RSP in Chip Att register */
1722 status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4));
1723 writel(status, phba->CAregaddr);
1724 readl(phba->CAregaddr); /* flush */
1726 if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) {
1727 pring->flag &= ~LPFC_CALL_RING_AVAILABLE;
1728 pring->stats.iocb_cmd_empty++;
1730 /* Force update of the local copy of cmdGetInx */
1731 pring->local_getidx = le32_to_cpu(pgp->cmdGetInx);
1732 lpfc_sli_resume_iocb(phba, pring);
1734 if ((pring->lpfc_sli_cmd_available))
1735 (pring->lpfc_sli_cmd_available) (phba, pring);
1739 spin_unlock_irqrestore(&phba->hbalock, iflag);
1744 lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
1746 LIST_HEAD(completions);
1747 struct lpfc_iocbq *iocb, *next_iocb;
1750 if (pring->ringno == LPFC_ELS_RING) {
1751 lpfc_fabric_abort_hba(phba);
1754 /* Error everything on txq and txcmplq
1757 spin_lock_irq(&phba->hbalock);
1758 list_splice_init(&pring->txq, &completions);
1761 /* Next issue ABTS for everything on the txcmplq */
1762 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list)
1763 lpfc_sli_issue_abort_iotag(phba, pring, iocb);
1765 spin_unlock_irq(&phba->hbalock);
1767 while (!list_empty(&completions)) {
1768 iocb = list_get_first(&completions, struct lpfc_iocbq, list);
1770 list_del_init(&iocb->list);
1772 if (!iocb->iocb_cmpl)
1773 lpfc_sli_release_iocbq(phba, iocb);
1775 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
1776 cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
1777 (iocb->iocb_cmpl) (phba, iocb, iocb);
1783 lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask)
1789 /* Read the HBA Host Status Register */
1790 status = readl(phba->HSregaddr);
1793 * Check status register every 100ms for 5 retries, then every
1794 * 500ms for 5, then every 2.5 sec for 5, then reset board and
1795 * every 2.5 sec for 4.
1796 * Break our of the loop if errors occurred during init.
1798 while (((status & mask) != mask) &&
1799 !(status & HS_FFERM) &&
1811 phba->pport->port_state = LPFC_VPORT_UNKNOWN;
1812 lpfc_sli_brdrestart(phba);
1814 /* Read the HBA Host Status Register */
1815 status = readl(phba->HSregaddr);
1818 /* Check to see if any errors occurred during init */
1819 if ((status & HS_FFERM) || (i >= 20)) {
1820 phba->link_state = LPFC_HBA_ERROR;
1827 #define BARRIER_TEST_PATTERN (0xdeadbeef)
1829 void lpfc_reset_barrier(struct lpfc_hba *phba)
1831 uint32_t __iomem *resp_buf;
1832 uint32_t __iomem *mbox_buf;
1833 volatile uint32_t mbox;
1838 pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype);
1839 if (hdrtype != 0x80 ||
1840 (FC_JEDEC_ID(phba->vpd.rev.biuRev) != HELIOS_JEDEC_ID &&
1841 FC_JEDEC_ID(phba->vpd.rev.biuRev) != THOR_JEDEC_ID))
1845 * Tell the other part of the chip to suspend temporarily all
1848 resp_buf = phba->MBslimaddr;
1850 /* Disable the error attention */
1851 hc_copy = readl(phba->HCregaddr);
1852 writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr);
1853 readl(phba->HCregaddr); /* flush */
1854 phba->link_flag |= LS_IGNORE_ERATT;
1856 if (readl(phba->HAregaddr) & HA_ERATT) {
1857 /* Clear Chip error bit */
1858 writel(HA_ERATT, phba->HAregaddr);
1859 phba->pport->stopped = 1;
1863 ((MAILBOX_t *)&mbox)->mbxCommand = MBX_KILL_BOARD;
1864 ((MAILBOX_t *)&mbox)->mbxOwner = OWN_CHIP;
1866 writel(BARRIER_TEST_PATTERN, (resp_buf + 1));
1867 mbox_buf = phba->MBslimaddr;
1868 writel(mbox, mbox_buf);
1871 readl(resp_buf + 1) != ~(BARRIER_TEST_PATTERN) && i < 50; i++)
1874 if (readl(resp_buf + 1) != ~(BARRIER_TEST_PATTERN)) {
1875 if (phba->sli.sli_flag & LPFC_SLI2_ACTIVE ||
1876 phba->pport->stopped)
1882 ((MAILBOX_t *)&mbox)->mbxOwner = OWN_HOST;
1883 for (i = 0; readl(resp_buf) != mbox && i < 500; i++)
1888 while (!(readl(phba->HAregaddr) & HA_ERATT) && ++i < 500)
1891 if (readl(phba->HAregaddr) & HA_ERATT) {
1892 writel(HA_ERATT, phba->HAregaddr);
1893 phba->pport->stopped = 1;
1897 phba->link_flag &= ~LS_IGNORE_ERATT;
1898 writel(hc_copy, phba->HCregaddr);
1899 readl(phba->HCregaddr); /* flush */
1903 lpfc_sli_brdkill(struct lpfc_hba *phba)
1905 struct lpfc_sli *psli;
1915 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
1916 "0329 Kill HBA Data: x%x x%x\n",
1917 phba->pport->port_state, psli->sli_flag);
1919 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1923 /* Disable the error attention */
1924 spin_lock_irq(&phba->hbalock);
1925 status = readl(phba->HCregaddr);
1926 status &= ~HC_ERINT_ENA;
1927 writel(status, phba->HCregaddr);
1928 readl(phba->HCregaddr); /* flush */
1929 phba->link_flag |= LS_IGNORE_ERATT;
1930 spin_unlock_irq(&phba->hbalock);
1932 lpfc_kill_board(phba, pmb);
1933 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1934 retval = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
1936 if (retval != MBX_SUCCESS) {
1937 if (retval != MBX_BUSY)
1938 mempool_free(pmb, phba->mbox_mem_pool);
1939 spin_lock_irq(&phba->hbalock);
1940 phba->link_flag &= ~LS_IGNORE_ERATT;
1941 spin_unlock_irq(&phba->hbalock);
1945 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
1947 mempool_free(pmb, phba->mbox_mem_pool);
1949 /* There is no completion for a KILL_BOARD mbox cmd. Check for an error
1950 * attention every 100ms for 3 seconds. If we don't get ERATT after
1951 * 3 seconds we still set HBA_ERROR state because the status of the
1952 * board is now undefined.
1954 ha_copy = readl(phba->HAregaddr);
1956 while ((i++ < 30) && !(ha_copy & HA_ERATT)) {
1958 ha_copy = readl(phba->HAregaddr);
1961 del_timer_sync(&psli->mbox_tmo);
1962 if (ha_copy & HA_ERATT) {
1963 writel(HA_ERATT, phba->HAregaddr);
1964 phba->pport->stopped = 1;
1966 spin_lock_irq(&phba->hbalock);
1967 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
1968 phba->link_flag &= ~LS_IGNORE_ERATT;
1969 spin_unlock_irq(&phba->hbalock);
1971 psli->mbox_active = NULL;
1972 lpfc_hba_down_post(phba);
1973 phba->link_state = LPFC_HBA_ERROR;
1975 return ha_copy & HA_ERATT ? 0 : 1;
1979 lpfc_sli_brdreset(struct lpfc_hba *phba)
1981 struct lpfc_sli *psli;
1982 struct lpfc_sli_ring *pring;
1989 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
1990 "0325 Reset HBA Data: x%x x%x\n",
1991 phba->pport->port_state, psli->sli_flag);
1993 /* perform board reset */
1994 phba->fc_eventTag = 0;
1995 phba->pport->fc_myDID = 0;
1996 phba->pport->fc_prevDID = 0;
1998 /* Turn off parity checking and serr during the physical reset */
1999 pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value);
2000 pci_write_config_word(phba->pcidev, PCI_COMMAND,
2002 ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR)));
2004 psli->sli_flag &= ~(LPFC_SLI2_ACTIVE | LPFC_PROCESS_LA);
2005 /* Now toggle INITFF bit in the Host Control Register */
2006 writel(HC_INITFF, phba->HCregaddr);
2008 readl(phba->HCregaddr); /* flush */
2009 writel(0, phba->HCregaddr);
2010 readl(phba->HCregaddr); /* flush */
2012 /* Restore PCI cmd register */
2013 pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value);
2015 /* Initialize relevant SLI info */
2016 for (i = 0; i < psli->num_rings; i++) {
2017 pring = &psli->ring[i];
2020 pring->next_cmdidx = 0;
2021 pring->local_getidx = 0;
2023 pring->missbufcnt = 0;
2026 phba->link_state = LPFC_WARM_START;
2031 lpfc_sli_brdrestart(struct lpfc_hba *phba)
2034 struct lpfc_sli *psli;
2036 volatile uint32_t word0;
2037 void __iomem *to_slim;
2039 spin_lock_irq(&phba->hbalock);
2044 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
2045 "0337 Restart HBA Data: x%x x%x\n",
2046 phba->pport->port_state, psli->sli_flag);
2049 mb = (MAILBOX_t *) &word0;
2050 mb->mbxCommand = MBX_RESTART;
2053 lpfc_reset_barrier(phba);
2055 to_slim = phba->MBslimaddr;
2056 writel(*(uint32_t *) mb, to_slim);
2057 readl(to_slim); /* flush */
2059 /* Only skip post after fc_ffinit is completed */
2060 if (phba->pport->port_state) {
2062 word0 = 1; /* This is really setting up word1 */
2065 word0 = 0; /* This is really setting up word1 */
2067 to_slim = phba->MBslimaddr + sizeof (uint32_t);
2068 writel(*(uint32_t *) mb, to_slim);
2069 readl(to_slim); /* flush */
2071 lpfc_sli_brdreset(phba);
2072 phba->pport->stopped = 0;
2073 phba->link_state = LPFC_INIT_START;
2075 spin_unlock_irq(&phba->hbalock);
2077 memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets));
2078 psli->stats_start = get_seconds();
2085 lpfc_hba_down_post(phba);
2091 lpfc_sli_chipset_init(struct lpfc_hba *phba)
2093 uint32_t status, i = 0;
2095 /* Read the HBA Host Status Register */
2096 status = readl(phba->HSregaddr);
2098 /* Check status register to see what current state is */
2100 while ((status & (HS_FFRDY | HS_MBRDY)) != (HS_FFRDY | HS_MBRDY)) {
2102 /* Check every 100ms for 5 retries, then every 500ms for 5, then
2103 * every 2.5 sec for 5, then reset board and every 2.5 sec for
2107 /* Adapter failed to init, timeout, status reg
2109 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2110 "0436 Adapter failed to init, "
2111 "timeout, status reg x%x\n", status);
2112 phba->link_state = LPFC_HBA_ERROR;
2116 /* Check to see if any errors occurred during init */
2117 if (status & HS_FFERM) {
2118 /* ERROR: During chipset initialization */
2119 /* Adapter failed to init, chipset, status reg
2121 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2122 "0437 Adapter failed to init, "
2123 "chipset, status reg x%x\n", status);
2124 phba->link_state = LPFC_HBA_ERROR;
2130 } else if (i <= 10) {
2138 phba->pport->port_state = LPFC_VPORT_UNKNOWN;
2139 lpfc_sli_brdrestart(phba);
2141 /* Read the HBA Host Status Register */
2142 status = readl(phba->HSregaddr);
2145 /* Check to see if any errors occurred during init */
2146 if (status & HS_FFERM) {
2147 /* ERROR: During chipset initialization */
2148 /* Adapter failed to init, chipset, status reg <status> */
2149 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2150 "0438 Adapter failed to init, chipset, "
2151 "status reg x%x\n", status);
2152 phba->link_state = LPFC_HBA_ERROR;
2156 /* Clear all interrupt enable conditions */
2157 writel(0, phba->HCregaddr);
2158 readl(phba->HCregaddr); /* flush */
2160 /* setup host attn register */
2161 writel(0xffffffff, phba->HAregaddr);
2162 readl(phba->HAregaddr); /* flush */
2167 lpfc_sli_hbq_count(void)
2169 return ARRAY_SIZE(lpfc_hbq_defs);
2173 lpfc_sli_hbq_entry_count(void)
2175 int hbq_count = lpfc_sli_hbq_count();
2179 for (i = 0; i < hbq_count; ++i)
2180 count += lpfc_hbq_defs[i]->entry_count;
2185 lpfc_sli_hbq_size(void)
2187 return lpfc_sli_hbq_entry_count() * sizeof(struct lpfc_hbq_entry);
2191 lpfc_sli_hbq_setup(struct lpfc_hba *phba)
2193 int hbq_count = lpfc_sli_hbq_count();
2197 uint32_t hbq_entry_index;
2199 /* Get a Mailbox buffer to setup mailbox
2200 * commands for HBA initialization
2202 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2209 /* Initialize the struct lpfc_sli_hbq structure for each hbq */
2210 phba->link_state = LPFC_INIT_MBX_CMDS;
2212 hbq_entry_index = 0;
2213 for (hbqno = 0; hbqno < hbq_count; ++hbqno) {
2214 phba->hbqs[hbqno].next_hbqPutIdx = 0;
2215 phba->hbqs[hbqno].hbqPutIdx = 0;
2216 phba->hbqs[hbqno].local_hbqGetIdx = 0;
2217 phba->hbqs[hbqno].entry_count =
2218 lpfc_hbq_defs[hbqno]->entry_count;
2219 lpfc_config_hbq(phba, hbqno, lpfc_hbq_defs[hbqno],
2220 hbq_entry_index, pmb);
2221 hbq_entry_index += phba->hbqs[hbqno].entry_count;
2223 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
2224 /* Adapter failed to init, mbxCmd <cmd> CFG_RING,
2225 mbxStatus <status>, ring <num> */
2227 lpfc_printf_log(phba, KERN_ERR,
2228 LOG_SLI | LOG_VPORT,
2229 "1805 Adapter failed to init. "
2230 "Data: x%x x%x x%x\n",
2232 pmbox->mbxStatus, hbqno);
2234 phba->link_state = LPFC_HBA_ERROR;
2235 mempool_free(pmb, phba->mbox_mem_pool);
2239 phba->hbq_count = hbq_count;
2241 mempool_free(pmb, phba->mbox_mem_pool);
2243 /* Initially populate or replenish the HBQs */
2244 for (hbqno = 0; hbqno < hbq_count; ++hbqno) {
2245 if (lpfc_sli_hbqbuf_init_hbqs(phba, hbqno))
2252 lpfc_do_config_port(struct lpfc_hba *phba, int sli_mode)
2255 uint32_t resetcount = 0, rc = 0, done = 0;
2257 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2259 phba->link_state = LPFC_HBA_ERROR;
2263 phba->sli_rev = sli_mode;
2264 while (resetcount < 2 && !done) {
2265 spin_lock_irq(&phba->hbalock);
2266 phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE;
2267 spin_unlock_irq(&phba->hbalock);
2268 phba->pport->port_state = LPFC_VPORT_UNKNOWN;
2269 lpfc_sli_brdrestart(phba);
2271 rc = lpfc_sli_chipset_init(phba);
2275 spin_lock_irq(&phba->hbalock);
2276 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
2277 spin_unlock_irq(&phba->hbalock);
2280 /* Call pre CONFIG_PORT mailbox command initialization. A
2281 * value of 0 means the call was successful. Any other
2282 * nonzero value is a failure, but if ERESTART is returned,
2283 * the driver may reset the HBA and try again.
2285 rc = lpfc_config_port_prep(phba);
2286 if (rc == -ERESTART) {
2287 phba->link_state = LPFC_LINK_UNKNOWN;
2293 phba->link_state = LPFC_INIT_MBX_CMDS;
2294 lpfc_config_port(phba, pmb);
2295 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
2296 if (rc != MBX_SUCCESS) {
2297 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
2298 "0442 Adapter failed to init, mbxCmd x%x "
2299 "CONFIG_PORT, mbxStatus x%x Data: x%x\n",
2300 pmb->mb.mbxCommand, pmb->mb.mbxStatus, 0);
2301 spin_lock_irq(&phba->hbalock);
2302 phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE;
2303 spin_unlock_irq(&phba->hbalock);
2307 phba->max_vpi = (phba->max_vpi &&
2308 pmb->mb.un.varCfgPort.gmv) != 0
2309 ? pmb->mb.un.varCfgPort.max_vpi
2316 goto do_prep_failed;
2319 if ((pmb->mb.un.varCfgPort.sli_mode == 3) &&
2320 (!pmb->mb.un.varCfgPort.cMA)) {
2322 goto do_prep_failed;
2327 mempool_free(pmb, phba->mbox_mem_pool);
2332 lpfc_sli_hba_setup(struct lpfc_hba *phba)
2337 switch (lpfc_sli_mode) {
2339 if (phba->cfg_enable_npiv) {
2340 lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT,
2341 "1824 NPIV enabled: Override lpfc_sli_mode "
2342 "parameter (%d) to auto (0).\n",
2352 lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT,
2353 "1819 Unrecognized lpfc_sli_mode "
2354 "parameter: %d.\n", lpfc_sli_mode);
2359 rc = lpfc_do_config_port(phba, mode);
2360 if (rc && lpfc_sli_mode == 3)
2361 lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT,
2362 "1820 Unable to select SLI-3. "
2363 "Not supported by adapter.\n");
2364 if (rc && mode != 2)
2365 rc = lpfc_do_config_port(phba, 2);
2367 goto lpfc_sli_hba_setup_error;
2369 if (phba->sli_rev == 3) {
2370 phba->iocb_cmd_size = SLI3_IOCB_CMD_SIZE;
2371 phba->iocb_rsp_size = SLI3_IOCB_RSP_SIZE;
2372 phba->sli3_options |= LPFC_SLI3_ENABLED;
2373 phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED;
2376 phba->iocb_cmd_size = SLI2_IOCB_CMD_SIZE;
2377 phba->iocb_rsp_size = SLI2_IOCB_RSP_SIZE;
2378 phba->sli3_options = 0;
2381 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2382 "0444 Firmware in SLI %x mode. Max_vpi %d\n",
2383 phba->sli_rev, phba->max_vpi);
2384 rc = lpfc_sli_ring_map(phba);
2387 goto lpfc_sli_hba_setup_error;
2391 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
2392 rc = lpfc_sli_hbq_setup(phba);
2394 goto lpfc_sli_hba_setup_error;
2397 phba->sli.sli_flag |= LPFC_PROCESS_LA;
2399 rc = lpfc_config_port_post(phba);
2401 goto lpfc_sli_hba_setup_error;
2405 lpfc_sli_hba_setup_error:
2406 phba->link_state = LPFC_HBA_ERROR;
2407 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2408 "0445 Firmware initialization failed\n");
2412 /*! lpfc_mbox_timeout
2416 * \param hba Pointer to per struct lpfc_hba structure
2417 * \param l1 Pointer to the driver's mailbox queue.
2423 * This routine handles mailbox timeout events at timer interrupt context.
2426 lpfc_mbox_timeout(unsigned long ptr)
2428 struct lpfc_hba *phba = (struct lpfc_hba *) ptr;
2429 unsigned long iflag;
2430 uint32_t tmo_posted;
2432 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
2433 tmo_posted = phba->pport->work_port_events & WORKER_MBOX_TMO;
2435 phba->pport->work_port_events |= WORKER_MBOX_TMO;
2436 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
2439 spin_lock_irqsave(&phba->hbalock, iflag);
2440 if (phba->work_wait)
2441 lpfc_worker_wake_up(phba);
2442 spin_unlock_irqrestore(&phba->hbalock, iflag);
2447 lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
2449 LPFC_MBOXQ_t *pmbox = phba->sli.mbox_active;
2450 MAILBOX_t *mb = &pmbox->mb;
2451 struct lpfc_sli *psli = &phba->sli;
2452 struct lpfc_sli_ring *pring;
2454 if (!(phba->pport->work_port_events & WORKER_MBOX_TMO)) {
2458 /* Mbox cmd <mbxCommand> timeout */
2459 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
2460 "0310 Mailbox command x%x timeout Data: x%x x%x x%p\n",
2462 phba->pport->port_state,
2464 phba->sli.mbox_active);
2466 /* Setting state unknown so lpfc_sli_abort_iocb_ring
2467 * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing
2468 * it to fail all oustanding SCSI IO.
2470 spin_lock_irq(&phba->pport->work_port_lock);
2471 phba->pport->work_port_events &= ~WORKER_MBOX_TMO;
2472 spin_unlock_irq(&phba->pport->work_port_lock);
2473 spin_lock_irq(&phba->hbalock);
2474 phba->link_state = LPFC_LINK_UNKNOWN;
2475 phba->pport->fc_flag |= FC_ESTABLISH_LINK;
2476 psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
2477 spin_unlock_irq(&phba->hbalock);
2479 pring = &psli->ring[psli->fcp_ring];
2480 lpfc_sli_abort_iocb_ring(phba, pring);
2482 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
2483 "0316 Resetting board due to mailbox timeout\n");
2485 * lpfc_offline calls lpfc_sli_hba_down which will clean up
2486 * on oustanding mailbox commands.
2488 lpfc_offline_prep(phba);
2490 lpfc_sli_brdrestart(phba);
2491 if (lpfc_online(phba) == 0) /* Initialize the HBA */
2492 mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
2493 lpfc_unblock_mgmt_io(phba);
2498 lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
2501 struct lpfc_sli *psli = &phba->sli;
2502 uint32_t status, evtctr;
2505 unsigned long drvr_flag = 0;
2506 volatile uint32_t word0, ldata;
2507 void __iomem *to_slim;
2509 if (pmbox->mbox_cmpl && pmbox->mbox_cmpl != lpfc_sli_def_mbox_cmpl &&
2510 pmbox->mbox_cmpl != lpfc_sli_wake_mbox_wait) {
2512 lpfc_printf_log(phba, KERN_ERR,
2513 LOG_MBOX | LOG_VPORT,
2514 "1806 Mbox x%x failed. No vport\n",
2515 pmbox->mb.mbxCommand);
2517 return MBXERR_ERROR;
2522 /* If the PCI channel is in offline state, do not post mbox. */
2523 if (unlikely(pci_channel_offline(phba->pcidev)))
2524 return MBX_NOT_FINISHED;
2526 spin_lock_irqsave(&phba->hbalock, drvr_flag);
2531 status = MBX_SUCCESS;
2533 if (phba->link_state == LPFC_HBA_ERROR) {
2534 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
2536 /* Mbox command <mbxCommand> cannot issue */
2537 LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag)
2538 return MBX_NOT_FINISHED;
2541 if (mb->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT &&
2542 !(readl(phba->HCregaddr) & HC_MBINT_ENA)) {
2543 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
2544 LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag)
2545 return MBX_NOT_FINISHED;
2548 if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) {
2549 /* Polling for a mbox command when another one is already active
2550 * is not allowed in SLI. Also, the driver must have established
2551 * SLI2 mode to queue and process multiple mbox commands.
2554 if (flag & MBX_POLL) {
2555 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
2557 /* Mbox command <mbxCommand> cannot issue */
2558 LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag);
2559 return MBX_NOT_FINISHED;
2562 if (!(psli->sli_flag & LPFC_SLI2_ACTIVE)) {
2563 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
2564 /* Mbox command <mbxCommand> cannot issue */
2565 LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag);
2566 return MBX_NOT_FINISHED;
2569 /* Another mailbox command is still being processed, queue this
2570 * command to be processed later.
2572 lpfc_mbox_put(phba, pmbox);
2574 /* Mbox cmd issue - BUSY */
2575 lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
2576 "(%d):0308 Mbox cmd issue - BUSY Data: "
2577 "x%x x%x x%x x%x\n",
2578 pmbox->vport ? pmbox->vport->vpi : 0xffffff,
2579 mb->mbxCommand, phba->pport->port_state,
2580 psli->sli_flag, flag);
2582 psli->slistat.mbox_busy++;
2583 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
2586 lpfc_debugfs_disc_trc(pmbox->vport,
2587 LPFC_DISC_TRC_MBOX_VPORT,
2588 "MBOX Bsy vport: cmd:x%x mb:x%x x%x",
2589 (uint32_t)mb->mbxCommand,
2590 mb->un.varWords[0], mb->un.varWords[1]);
2593 lpfc_debugfs_disc_trc(phba->pport,
2595 "MBOX Bsy: cmd:x%x mb:x%x x%x",
2596 (uint32_t)mb->mbxCommand,
2597 mb->un.varWords[0], mb->un.varWords[1]);
2603 psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE;
2605 /* If we are not polling, we MUST be in SLI2 mode */
2606 if (flag != MBX_POLL) {
2607 if (!(psli->sli_flag & LPFC_SLI2_ACTIVE) &&
2608 (mb->mbxCommand != MBX_KILL_BOARD)) {
2609 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
2610 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
2611 /* Mbox command <mbxCommand> cannot issue */
2612 LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag);
2613 return MBX_NOT_FINISHED;
2615 /* timeout active mbox command */
2616 mod_timer(&psli->mbox_tmo, (jiffies +
2617 (HZ * lpfc_mbox_tmo_val(phba, mb->mbxCommand))));
2620 /* Mailbox cmd <cmd> issue */
2621 lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
2622 "(%d):0309 Mailbox cmd x%x issue Data: x%x x%x "
2624 pmbox->vport ? pmbox->vport->vpi : 0,
2625 mb->mbxCommand, phba->pport->port_state,
2626 psli->sli_flag, flag);
2628 if (mb->mbxCommand != MBX_HEARTBEAT) {
2630 lpfc_debugfs_disc_trc(pmbox->vport,
2631 LPFC_DISC_TRC_MBOX_VPORT,
2632 "MBOX Send vport: cmd:x%x mb:x%x x%x",
2633 (uint32_t)mb->mbxCommand,
2634 mb->un.varWords[0], mb->un.varWords[1]);
2637 lpfc_debugfs_disc_trc(phba->pport,
2639 "MBOX Send: cmd:x%x mb:x%x x%x",
2640 (uint32_t)mb->mbxCommand,
2641 mb->un.varWords[0], mb->un.varWords[1]);
2645 psli->slistat.mbox_cmd++;
2646 evtctr = psli->slistat.mbox_event;
2648 /* next set own bit for the adapter and copy over command word */
2649 mb->mbxOwner = OWN_CHIP;
2651 if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
2652 /* First copy command data to host SLIM area */
2653 lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, MAILBOX_CMD_SIZE);
2655 if (mb->mbxCommand == MBX_CONFIG_PORT) {
2656 /* copy command data into host mbox for cmpl */
2657 lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx,
2661 /* First copy mbox command data to HBA SLIM, skip past first
2663 to_slim = phba->MBslimaddr + sizeof (uint32_t);
2664 lpfc_memcpy_to_slim(to_slim, &mb->un.varWords[0],
2665 MAILBOX_CMD_SIZE - sizeof (uint32_t));
2667 /* Next copy over first word, with mbxOwner set */
2668 ldata = *((volatile uint32_t *)mb);
2669 to_slim = phba->MBslimaddr;
2670 writel(ldata, to_slim);
2671 readl(to_slim); /* flush */
2673 if (mb->mbxCommand == MBX_CONFIG_PORT) {
2674 /* switch over to host mailbox */
2675 psli->sli_flag |= LPFC_SLI2_ACTIVE;
2680 /* interrupt board to doit right away */
2681 writel(CA_MBATT, phba->CAregaddr);
2682 readl(phba->CAregaddr); /* flush */
2686 /* Don't wait for it to finish, just return */
2687 psli->mbox_active = pmbox;
2691 psli->mbox_active = NULL;
2692 if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
2693 /* First read mbox status word */
2694 word0 = *((volatile uint32_t *)&phba->slim2p->mbx);
2695 word0 = le32_to_cpu(word0);
2697 /* First read mbox status word */
2698 word0 = readl(phba->MBslimaddr);
2701 /* Read the HBA Host Attention Register */
2702 ha_copy = readl(phba->HAregaddr);
2704 i = lpfc_mbox_tmo_val(phba, mb->mbxCommand);
2705 i *= 1000; /* Convert to ms */
2707 /* Wait for command to complete */
2708 while (((word0 & OWN_CHIP) == OWN_CHIP) ||
2709 (!(ha_copy & HA_MBATT) &&
2710 (phba->link_state > LPFC_WARM_START))) {
2712 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
2713 spin_unlock_irqrestore(&phba->hbalock,
2715 return MBX_NOT_FINISHED;
2718 /* Check if we took a mbox interrupt while we were
2720 if (((word0 & OWN_CHIP) != OWN_CHIP)
2721 && (evtctr != psli->slistat.mbox_event))
2724 spin_unlock_irqrestore(&phba->hbalock,
2729 spin_lock_irqsave(&phba->hbalock, drvr_flag);
2731 if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
2732 /* First copy command data */
2733 word0 = *((volatile uint32_t *)
2734 &phba->slim2p->mbx);
2735 word0 = le32_to_cpu(word0);
2736 if (mb->mbxCommand == MBX_CONFIG_PORT) {
2738 volatile uint32_t slimword0;
2739 /* Check real SLIM for any errors */
2740 slimword0 = readl(phba->MBslimaddr);
2741 slimmb = (MAILBOX_t *) & slimword0;
2742 if (((slimword0 & OWN_CHIP) != OWN_CHIP)
2743 && slimmb->mbxStatus) {
2750 /* First copy command data */
2751 word0 = readl(phba->MBslimaddr);
2753 /* Read the HBA Host Attention Register */
2754 ha_copy = readl(phba->HAregaddr);
2757 if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
2758 /* copy results back to user */
2759 lpfc_sli_pcimem_bcopy(&phba->slim2p->mbx, mb,
2762 /* First copy command data */
2763 lpfc_memcpy_from_slim(mb, phba->MBslimaddr,
2765 if ((mb->mbxCommand == MBX_DUMP_MEMORY) &&
2767 lpfc_memcpy_from_slim((void *)pmbox->context2,
2768 phba->MBslimaddr + DMP_RSP_OFFSET,
2769 mb->un.varDmp.word_cnt);
2773 writel(HA_MBATT, phba->HAregaddr);
2774 readl(phba->HAregaddr); /* flush */
2776 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
2777 status = mb->mbxStatus;
2780 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
2785 * Caller needs to hold lock.
2788 __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
2789 struct lpfc_iocbq *piocb)
2791 /* Insert the caller's iocb in the txq tail for later processing. */
2792 list_add_tail(&piocb->list, &pring->txq);
2796 static struct lpfc_iocbq *
2797 lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
2798 struct lpfc_iocbq **piocb)
2800 struct lpfc_iocbq * nextiocb;
2802 nextiocb = lpfc_sli_ringtx_get(phba, pring);
2812 * Lockless version of lpfc_sli_issue_iocb.
2815 __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
2816 struct lpfc_iocbq *piocb, uint32_t flag)
2818 struct lpfc_iocbq *nextiocb;
2821 if (piocb->iocb_cmpl && (!piocb->vport) &&
2822 (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) &&
2823 (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) {
2824 lpfc_printf_log(phba, KERN_ERR,
2825 LOG_SLI | LOG_VPORT,
2826 "1807 IOCB x%x failed. No vport\n",
2827 piocb->iocb.ulpCommand);
2833 /* If the PCI channel is in offline state, do not post iocbs. */
2834 if (unlikely(pci_channel_offline(phba->pcidev)))
2838 * We should never get an IOCB if we are in a < LINK_DOWN state
2840 if (unlikely(phba->link_state < LPFC_LINK_DOWN))
2844 * Check to see if we are blocking IOCB processing because of a
2845 * outstanding event.
2847 if (unlikely(pring->flag & LPFC_STOP_IOCB_EVENT))
2850 if (unlikely(phba->link_state == LPFC_LINK_DOWN)) {
2852 * Only CREATE_XRI, CLOSE_XRI, and QUE_RING_BUF
2853 * can be issued if the link is not up.
2855 switch (piocb->iocb.ulpCommand) {
2856 case CMD_QUE_RING_BUF_CN:
2857 case CMD_QUE_RING_BUF64_CN:
2859 * For IOCBs, like QUE_RING_BUF, that have no rsp ring
2860 * completion, iocb_cmpl MUST be 0.
2862 if (piocb->iocb_cmpl)
2863 piocb->iocb_cmpl = NULL;
2865 case CMD_CREATE_XRI_CR:
2866 case CMD_CLOSE_XRI_CN:
2867 case CMD_CLOSE_XRI_CX:
2874 * For FCP commands, we must be in a state where we can process link
2877 } else if (unlikely(pring->ringno == phba->sli.fcp_ring &&
2878 !(phba->sli.sli_flag & LPFC_PROCESS_LA))) {
2882 while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) &&
2883 (nextiocb = lpfc_sli_next_iocb(phba, pring, &piocb)))
2884 lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb);
2887 lpfc_sli_update_ring(phba, pring);
2889 lpfc_sli_update_full_ring(phba, pring);
2892 return IOCB_SUCCESS;
2897 pring->stats.iocb_cmd_delay++;
2901 if (!(flag & SLI_IOCB_RET_IOCB)) {
2902 __lpfc_sli_ringtx_put(phba, pring, piocb);
2903 return IOCB_SUCCESS;
2911 lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
2912 struct lpfc_iocbq *piocb, uint32_t flag)
2914 unsigned long iflags;
2917 spin_lock_irqsave(&phba->hbalock, iflags);
2918 rc = __lpfc_sli_issue_iocb(phba, pring, piocb, flag);
2919 spin_unlock_irqrestore(&phba->hbalock, iflags);
2925 lpfc_extra_ring_setup( struct lpfc_hba *phba)
2927 struct lpfc_sli *psli;
2928 struct lpfc_sli_ring *pring;
2932 /* Adjust cmd/rsp ring iocb entries more evenly */
2934 /* Take some away from the FCP ring */
2935 pring = &psli->ring[psli->fcp_ring];
2936 pring->numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES;
2937 pring->numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES;
2938 pring->numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES;
2939 pring->numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES;
2941 /* and give them to the extra ring */
2942 pring = &psli->ring[psli->extra_ring];
2944 pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES;
2945 pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES;
2946 pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES;
2947 pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES;
2949 /* Setup default profile for this ring */
2950 pring->iotag_max = 4096;
2951 pring->num_mask = 1;
2952 pring->prt[0].profile = 0; /* Mask 0 */
2953 pring->prt[0].rctl = phba->cfg_multi_ring_rctl;
2954 pring->prt[0].type = phba->cfg_multi_ring_type;
2955 pring->prt[0].lpfc_sli_rcv_unsol_event = NULL;
2960 lpfc_sli_async_event_handler(struct lpfc_hba * phba,
2961 struct lpfc_sli_ring * pring, struct lpfc_iocbq * iocbq)
2966 struct temp_event temp_event_data;
2967 struct Scsi_Host *shost;
2969 icmd = &iocbq->iocb;
2970 evt_code = icmd->un.asyncstat.evt_code;
2971 temp = icmd->ulpContext;
2973 if ((evt_code != ASYNC_TEMP_WARN) &&
2974 (evt_code != ASYNC_TEMP_SAFE)) {
2975 lpfc_printf_log(phba,
2978 "0327 Ring %d handler: unexpected ASYNC_STATUS"
2981 icmd->un.asyncstat.evt_code);
2984 temp_event_data.data = (uint32_t)temp;
2985 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
2986 if (evt_code == ASYNC_TEMP_WARN) {
2987 temp_event_data.event_code = LPFC_THRESHOLD_TEMP;
2988 lpfc_printf_log(phba,
2991 "0339 Adapter is very hot, please take "
2992 "corrective action. temperature : %d Celsius\n",
2995 if (evt_code == ASYNC_TEMP_SAFE) {
2996 temp_event_data.event_code = LPFC_NORMAL_TEMP;
2997 lpfc_printf_log(phba,
3000 "0340 Adapter temperature is OK now. "
3001 "temperature : %d Celsius\n",
3005 /* Send temperature change event to applications */
3006 shost = lpfc_shost_from_vport(phba->pport);
3007 fc_host_post_vendor_event(shost, fc_get_event_number(),
3008 sizeof(temp_event_data), (char *) &temp_event_data,
3009 SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
3015 lpfc_sli_setup(struct lpfc_hba *phba)
3017 int i, totiocbsize = 0;
3018 struct lpfc_sli *psli = &phba->sli;
3019 struct lpfc_sli_ring *pring;
3021 psli->num_rings = MAX_CONFIGURED_RINGS;
3023 psli->fcp_ring = LPFC_FCP_RING;
3024 psli->next_ring = LPFC_FCP_NEXT_RING;
3025 psli->extra_ring = LPFC_EXTRA_RING;
3027 psli->iocbq_lookup = NULL;
3028 psli->iocbq_lookup_len = 0;
3029 psli->last_iotag = 0;
3031 for (i = 0; i < psli->num_rings; i++) {
3032 pring = &psli->ring[i];
3034 case LPFC_FCP_RING: /* ring 0 - FCP */
3035 /* numCiocb and numRiocb are used in config_port */
3036 pring->numCiocb = SLI2_IOCB_CMD_R0_ENTRIES;
3037 pring->numRiocb = SLI2_IOCB_RSP_R0_ENTRIES;
3038 pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES;
3039 pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES;
3040 pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES;
3041 pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES;
3042 pring->sizeCiocb = (phba->sli_rev == 3) ?
3043 SLI3_IOCB_CMD_SIZE :
3045 pring->sizeRiocb = (phba->sli_rev == 3) ?
3046 SLI3_IOCB_RSP_SIZE :
3048 pring->iotag_ctr = 0;
3050 (phba->cfg_hba_queue_depth * 2);
3051 pring->fast_iotag = pring->iotag_max;
3052 pring->num_mask = 0;
3054 case LPFC_EXTRA_RING: /* ring 1 - EXTRA */
3055 /* numCiocb and numRiocb are used in config_port */
3056 pring->numCiocb = SLI2_IOCB_CMD_R1_ENTRIES;
3057 pring->numRiocb = SLI2_IOCB_RSP_R1_ENTRIES;
3058 pring->sizeCiocb = (phba->sli_rev == 3) ?
3059 SLI3_IOCB_CMD_SIZE :
3061 pring->sizeRiocb = (phba->sli_rev == 3) ?
3062 SLI3_IOCB_RSP_SIZE :
3064 pring->iotag_max = phba->cfg_hba_queue_depth;
3065 pring->num_mask = 0;
3067 case LPFC_ELS_RING: /* ring 2 - ELS / CT */
3068 /* numCiocb and numRiocb are used in config_port */
3069 pring->numCiocb = SLI2_IOCB_CMD_R2_ENTRIES;
3070 pring->numRiocb = SLI2_IOCB_RSP_R2_ENTRIES;
3071 pring->sizeCiocb = (phba->sli_rev == 3) ?
3072 SLI3_IOCB_CMD_SIZE :
3074 pring->sizeRiocb = (phba->sli_rev == 3) ?
3075 SLI3_IOCB_RSP_SIZE :
3077 pring->fast_iotag = 0;
3078 pring->iotag_ctr = 0;
3079 pring->iotag_max = 4096;
3080 pring->lpfc_sli_rcv_async_status =
3081 lpfc_sli_async_event_handler;
3082 pring->num_mask = 4;
3083 pring->prt[0].profile = 0; /* Mask 0 */
3084 pring->prt[0].rctl = FC_ELS_REQ;
3085 pring->prt[0].type = FC_ELS_DATA;
3086 pring->prt[0].lpfc_sli_rcv_unsol_event =
3087 lpfc_els_unsol_event;
3088 pring->prt[1].profile = 0; /* Mask 1 */
3089 pring->prt[1].rctl = FC_ELS_RSP;
3090 pring->prt[1].type = FC_ELS_DATA;
3091 pring->prt[1].lpfc_sli_rcv_unsol_event =
3092 lpfc_els_unsol_event;
3093 pring->prt[2].profile = 0; /* Mask 2 */
3094 /* NameServer Inquiry */
3095 pring->prt[2].rctl = FC_UNSOL_CTL;
3097 pring->prt[2].type = FC_COMMON_TRANSPORT_ULP;
3098 pring->prt[2].lpfc_sli_rcv_unsol_event =
3099 lpfc_ct_unsol_event;
3100 pring->prt[3].profile = 0; /* Mask 3 */
3101 /* NameServer response */
3102 pring->prt[3].rctl = FC_SOL_CTL;
3104 pring->prt[3].type = FC_COMMON_TRANSPORT_ULP;
3105 pring->prt[3].lpfc_sli_rcv_unsol_event =
3106 lpfc_ct_unsol_event;
3109 totiocbsize += (pring->numCiocb * pring->sizeCiocb) +
3110 (pring->numRiocb * pring->sizeRiocb);
3112 if (totiocbsize > MAX_SLIM_IOCB_SIZE) {
3113 /* Too many cmd / rsp ring entries in SLI2 SLIM */
3114 printk(KERN_ERR "%d:0462 Too many cmd / rsp ring entries in "
3115 "SLI2 SLIM Data: x%x x%lx\n",
3116 phba->brd_no, totiocbsize,
3117 (unsigned long) MAX_SLIM_IOCB_SIZE);
3119 if (phba->cfg_multi_ring_support == 2)
3120 lpfc_extra_ring_setup(phba);
3126 lpfc_sli_queue_setup(struct lpfc_hba *phba)
3128 struct lpfc_sli *psli;
3129 struct lpfc_sli_ring *pring;
3133 spin_lock_irq(&phba->hbalock);
3134 INIT_LIST_HEAD(&psli->mboxq);
3135 INIT_LIST_HEAD(&psli->mboxq_cmpl);
3136 /* Initialize list headers for txq and txcmplq as double linked lists */
3137 for (i = 0; i < psli->num_rings; i++) {
3138 pring = &psli->ring[i];
3140 pring->next_cmdidx = 0;
3141 pring->local_getidx = 0;
3143 INIT_LIST_HEAD(&pring->txq);
3144 INIT_LIST_HEAD(&pring->txcmplq);
3145 INIT_LIST_HEAD(&pring->iocb_continueq);
3146 INIT_LIST_HEAD(&pring->postbufq);
3148 spin_unlock_irq(&phba->hbalock);
3153 lpfc_sli_host_down(struct lpfc_vport *vport)
3155 LIST_HEAD(completions);
3156 struct lpfc_hba *phba = vport->phba;
3157 struct lpfc_sli *psli = &phba->sli;
3158 struct lpfc_sli_ring *pring;
3159 struct lpfc_iocbq *iocb, *next_iocb;
3161 unsigned long flags = 0;
3162 uint16_t prev_pring_flag;
3164 lpfc_cleanup_discovery_resources(vport);
3166 spin_lock_irqsave(&phba->hbalock, flags);
3167 for (i = 0; i < psli->num_rings; i++) {
3168 pring = &psli->ring[i];
3169 prev_pring_flag = pring->flag;
3170 if (pring->ringno == LPFC_ELS_RING) /* Only slow rings */
3171 pring->flag |= LPFC_DEFERRED_RING_EVENT;
3173 * Error everything on the txq since these iocbs have not been
3174 * given to the FW yet.
3176 list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) {
3177 if (iocb->vport != vport)
3179 list_move_tail(&iocb->list, &completions);
3183 /* Next issue ABTS for everything on the txcmplq */
3184 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq,
3186 if (iocb->vport != vport)
3188 lpfc_sli_issue_abort_iotag(phba, pring, iocb);
3191 pring->flag = prev_pring_flag;
3194 spin_unlock_irqrestore(&phba->hbalock, flags);
3196 while (!list_empty(&completions)) {
3197 list_remove_head(&completions, iocb, struct lpfc_iocbq, list);
3199 if (!iocb->iocb_cmpl)
3200 lpfc_sli_release_iocbq(phba, iocb);
3202 iocb->iocb.ulpStatus = IOSTAT_LOCAL_REJECT;
3203 iocb->iocb.un.ulpWord[4] = IOERR_SLI_DOWN;
3204 (iocb->iocb_cmpl) (phba, iocb, iocb);
3211 lpfc_sli_hba_down(struct lpfc_hba *phba)
3213 LIST_HEAD(completions);
3214 struct lpfc_sli *psli = &phba->sli;
3215 struct lpfc_sli_ring *pring;
3217 struct lpfc_iocbq *iocb;
3220 unsigned long flags = 0;
3222 lpfc_hba_down_prep(phba);
3224 lpfc_fabric_abort_hba(phba);
3226 spin_lock_irqsave(&phba->hbalock, flags);
3227 for (i = 0; i < psli->num_rings; i++) {
3228 pring = &psli->ring[i];
3229 if (pring->ringno == LPFC_ELS_RING) /* Only slow rings */
3230 pring->flag |= LPFC_DEFERRED_RING_EVENT;
3233 * Error everything on the txq since these iocbs have not been
3234 * given to the FW yet.
3236 list_splice_init(&pring->txq, &completions);
3240 spin_unlock_irqrestore(&phba->hbalock, flags);
3242 while (!list_empty(&completions)) {
3243 list_remove_head(&completions, iocb, struct lpfc_iocbq, list);
3246 if (!iocb->iocb_cmpl)
3247 lpfc_sli_release_iocbq(phba, iocb);
3249 cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
3250 cmd->un.ulpWord[4] = IOERR_SLI_DOWN;
3251 (iocb->iocb_cmpl) (phba, iocb, iocb);
3255 /* Return any active mbox cmds */
3256 del_timer_sync(&psli->mbox_tmo);
3257 spin_lock_irqsave(&phba->hbalock, flags);
3259 spin_lock(&phba->pport->work_port_lock);
3260 phba->pport->work_port_events &= ~WORKER_MBOX_TMO;
3261 spin_unlock(&phba->pport->work_port_lock);
3263 if (psli->mbox_active) {
3264 list_add_tail(&psli->mbox_active->list, &completions);
3265 psli->mbox_active = NULL;
3266 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
3269 /* Return any pending or completed mbox cmds */
3270 list_splice_init(&phba->sli.mboxq, &completions);
3271 list_splice_init(&phba->sli.mboxq_cmpl, &completions);
3272 INIT_LIST_HEAD(&psli->mboxq);
3273 INIT_LIST_HEAD(&psli->mboxq_cmpl);
3275 spin_unlock_irqrestore(&phba->hbalock, flags);
3277 while (!list_empty(&completions)) {
3278 list_remove_head(&completions, pmb, LPFC_MBOXQ_t, list);
3279 pmb->mb.mbxStatus = MBX_NOT_FINISHED;
3280 if (pmb->mbox_cmpl) {
3281 pmb->mbox_cmpl(phba,pmb);
3288 lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt)
3290 uint32_t *src = srcp;
3291 uint32_t *dest = destp;
3295 for (i = 0; i < (int)cnt; i += sizeof (uint32_t)) {
3297 ldata = le32_to_cpu(ldata);
3305 lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
3306 struct lpfc_dmabuf *mp)
3308 /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up
3310 spin_lock_irq(&phba->hbalock);
3311 list_add_tail(&mp->list, &pring->postbufq);
3312 pring->postbufq_cnt++;
3313 spin_unlock_irq(&phba->hbalock);
3318 struct lpfc_dmabuf *
3319 lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
3322 struct lpfc_dmabuf *mp, *next_mp;
3323 struct list_head *slp = &pring->postbufq;
3325 /* Search postbufq, from the begining, looking for a match on phys */
3326 spin_lock_irq(&phba->hbalock);
3327 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
3328 if (mp->phys == phys) {
3329 list_del_init(&mp->list);
3330 pring->postbufq_cnt--;
3331 spin_unlock_irq(&phba->hbalock);
3336 spin_unlock_irq(&phba->hbalock);
3337 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3338 "0410 Cannot find virtual addr for mapped buf on "
3339 "ring %d Data x%llx x%p x%p x%x\n",
3340 pring->ringno, (unsigned long long)phys,
3341 slp->next, slp->prev, pring->postbufq_cnt);
3346 lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3347 struct lpfc_iocbq *rspiocb)
3349 IOCB_t *irsp = &rspiocb->iocb;
3350 uint16_t abort_iotag, abort_context;
3351 struct lpfc_iocbq *abort_iocb;
3352 struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
3356 if (irsp->ulpStatus) {
3357 abort_context = cmdiocb->iocb.un.acxri.abortContextTag;
3358 abort_iotag = cmdiocb->iocb.un.acxri.abortIoTag;
3360 spin_lock_irq(&phba->hbalock);
3361 if (abort_iotag != 0 && abort_iotag <= phba->sli.last_iotag)
3362 abort_iocb = phba->sli.iocbq_lookup[abort_iotag];
3364 lpfc_printf_log(phba, KERN_INFO, LOG_ELS | LOG_SLI,
3365 "0327 Cannot abort els iocb %p "
3366 "with tag %x context %x, abort status %x, "
3368 abort_iocb, abort_iotag, abort_context,
3369 irsp->ulpStatus, irsp->un.ulpWord[4]);
3372 * make sure we have the right iocbq before taking it
3373 * off the txcmplq and try to call completion routine.
3376 abort_iocb->iocb.ulpContext != abort_context ||
3377 (abort_iocb->iocb_flag & LPFC_DRIVER_ABORTED) == 0)
3378 spin_unlock_irq(&phba->hbalock);
3380 list_del_init(&abort_iocb->list);
3381 pring->txcmplq_cnt--;
3382 spin_unlock_irq(&phba->hbalock);
3384 abort_iocb->iocb_flag &= ~LPFC_DRIVER_ABORTED;
3385 abort_iocb->iocb.ulpStatus = IOSTAT_LOCAL_REJECT;
3386 abort_iocb->iocb.un.ulpWord[4] = IOERR_SLI_ABORTED;
3387 (abort_iocb->iocb_cmpl)(phba, abort_iocb, abort_iocb);
3391 lpfc_sli_release_iocbq(phba, cmdiocb);
3396 lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3397 struct lpfc_iocbq *rspiocb)
3399 IOCB_t *irsp = &rspiocb->iocb;
3401 /* ELS cmd tag <ulpIoTag> completes */
3402 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
3403 "0133 Ignoring ELS cmd tag x%x completion Data: "
3405 irsp->ulpIoTag, irsp->ulpStatus,
3406 irsp->un.ulpWord[4], irsp->ulpTimeout);
3407 if (cmdiocb->iocb.ulpCommand == CMD_GEN_REQUEST64_CR)
3408 lpfc_ct_free_iocb(phba, cmdiocb);
3410 lpfc_els_free_iocb(phba, cmdiocb);
3415 lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
3416 struct lpfc_iocbq *cmdiocb)
3418 struct lpfc_vport *vport = cmdiocb->vport;
3419 struct lpfc_iocbq *abtsiocbp;
3420 IOCB_t *icmd = NULL;
3421 IOCB_t *iabt = NULL;
3422 int retval = IOCB_ERROR;
3425 * There are certain command types we don't want to abort. And we
3426 * don't want to abort commands that are already in the process of
3429 icmd = &cmdiocb->iocb;
3430 if (icmd->ulpCommand == CMD_ABORT_XRI_CN ||
3431 icmd->ulpCommand == CMD_CLOSE_XRI_CN ||
3432 (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0)
3435 /* If we're unloading, don't abort iocb on the ELS ring, but change the
3436 * callback so that nothing happens when it finishes.
3438 if ((vport->load_flag & FC_UNLOADING) &&
3439 (pring->ringno == LPFC_ELS_RING)) {
3440 if (cmdiocb->iocb_flag & LPFC_IO_FABRIC)
3441 cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl;
3443 cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl;
3444 goto abort_iotag_exit;
3447 /* issue ABTS for this IOCB based on iotag */
3448 abtsiocbp = __lpfc_sli_get_iocbq(phba);
3449 if (abtsiocbp == NULL)
3452 /* This signals the response to set the correct status
3453 * before calling the completion handler.
3455 cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED;
3457 iabt = &abtsiocbp->iocb;
3458 iabt->un.acxri.abortType = ABORT_TYPE_ABTS;
3459 iabt->un.acxri.abortContextTag = icmd->ulpContext;
3460 iabt->un.acxri.abortIoTag = icmd->ulpIoTag;
3462 iabt->ulpClass = icmd->ulpClass;
3464 if (phba->link_state >= LPFC_LINK_UP)
3465 iabt->ulpCommand = CMD_ABORT_XRI_CN;
3467 iabt->ulpCommand = CMD_CLOSE_XRI_CN;
3469 abtsiocbp->iocb_cmpl = lpfc_sli_abort_els_cmpl;
3471 lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI,
3472 "0339 Abort xri x%x, original iotag x%x, "
3473 "abort cmd iotag x%x\n",
3474 iabt->un.acxri.abortContextTag,
3475 iabt->un.acxri.abortIoTag, abtsiocbp->iotag);
3476 retval = __lpfc_sli_issue_iocb(phba, pring, abtsiocbp, 0);
3480 * Caller to this routine should check for IOCB_ERROR
3481 * and handle it properly. This routine no longer removes
3482 * iocb off txcmplq and call compl in case of IOCB_ERROR.
3488 lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport,
3489 uint16_t tgt_id, uint64_t lun_id,
3490 lpfc_ctx_cmd ctx_cmd)
3492 struct lpfc_scsi_buf *lpfc_cmd;
3493 struct scsi_cmnd *cmnd;
3496 if (!(iocbq->iocb_flag & LPFC_IO_FCP))
3499 if (iocbq->vport != vport)
3502 lpfc_cmd = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq);
3503 cmnd = lpfc_cmd->pCmd;
3510 if ((cmnd->device->id == tgt_id) &&
3511 (cmnd->device->lun == lun_id))
3515 if (cmnd->device->id == tgt_id)
3522 printk(KERN_ERR "%s: Unknown context cmd type, value %d\n",
3523 __FUNCTION__, ctx_cmd);
3531 lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id,
3532 lpfc_ctx_cmd ctx_cmd)
3534 struct lpfc_hba *phba = vport->phba;
3535 struct lpfc_iocbq *iocbq;
3538 for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) {
3539 iocbq = phba->sli.iocbq_lookup[i];
3541 if (lpfc_sli_validate_fcp_iocb (iocbq, vport, tgt_id, lun_id,
3550 lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3551 struct lpfc_iocbq *rspiocb)
3553 lpfc_sli_release_iocbq(phba, cmdiocb);
3558 lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring,
3559 uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd abort_cmd)
3561 struct lpfc_hba *phba = vport->phba;
3562 struct lpfc_iocbq *iocbq;
3563 struct lpfc_iocbq *abtsiocb;
3565 int errcnt = 0, ret_val = 0;
3568 for (i = 1; i <= phba->sli.last_iotag; i++) {
3569 iocbq = phba->sli.iocbq_lookup[i];
3571 if (lpfc_sli_validate_fcp_iocb(iocbq, vport, tgt_id, lun_id,
3575 /* issue ABTS for this IOCB based on iotag */
3576 abtsiocb = lpfc_sli_get_iocbq(phba);
3577 if (abtsiocb == NULL) {
3583 abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS;
3584 abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext;
3585 abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag;
3586 abtsiocb->iocb.ulpLe = 1;
3587 abtsiocb->iocb.ulpClass = cmd->ulpClass;
3588 abtsiocb->vport = phba->pport;
3590 if (lpfc_is_link_up(phba))
3591 abtsiocb->iocb.ulpCommand = CMD_ABORT_XRI_CN;
3593 abtsiocb->iocb.ulpCommand = CMD_CLOSE_XRI_CN;
3595 /* Setup callback routine and issue the command. */
3596 abtsiocb->iocb_cmpl = lpfc_sli_abort_fcp_cmpl;
3597 ret_val = lpfc_sli_issue_iocb(phba, pring, abtsiocb, 0);
3598 if (ret_val == IOCB_ERROR) {
3599 lpfc_sli_release_iocbq(phba, abtsiocb);
3609 lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba,
3610 struct lpfc_iocbq *cmdiocbq,
3611 struct lpfc_iocbq *rspiocbq)
3613 wait_queue_head_t *pdone_q;
3614 unsigned long iflags;
3616 spin_lock_irqsave(&phba->hbalock, iflags);
3617 cmdiocbq->iocb_flag |= LPFC_IO_WAKE;
3618 if (cmdiocbq->context2 && rspiocbq)
3619 memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb,
3620 &rspiocbq->iocb, sizeof(IOCB_t));
3622 pdone_q = cmdiocbq->context_un.wait_queue;
3625 spin_unlock_irqrestore(&phba->hbalock, iflags);
3630 * Issue the caller's iocb and wait for its completion, but no longer than the
3631 * caller's timeout. Note that iocb_flags is cleared before the
3632 * lpfc_sli_issue_call since the wake routine sets a unique value and by
3633 * definition this is a wait function.
3637 lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba,
3638 struct lpfc_sli_ring *pring,
3639 struct lpfc_iocbq *piocb,
3640 struct lpfc_iocbq *prspiocbq,
3643 DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q);
3644 long timeleft, timeout_req = 0;
3645 int retval = IOCB_SUCCESS;
3649 * If the caller has provided a response iocbq buffer, then context2
3650 * is NULL or its an error.
3653 if (piocb->context2)
3655 piocb->context2 = prspiocbq;
3658 piocb->iocb_cmpl = lpfc_sli_wake_iocb_wait;
3659 piocb->context_un.wait_queue = &done_q;
3660 piocb->iocb_flag &= ~LPFC_IO_WAKE;
3662 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
3663 creg_val = readl(phba->HCregaddr);
3664 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
3665 writel(creg_val, phba->HCregaddr);
3666 readl(phba->HCregaddr); /* flush */
3669 retval = lpfc_sli_issue_iocb(phba, pring, piocb, 0);
3670 if (retval == IOCB_SUCCESS) {
3671 timeout_req = timeout * HZ;
3672 timeleft = wait_event_timeout(done_q,
3673 piocb->iocb_flag & LPFC_IO_WAKE,
3676 if (piocb->iocb_flag & LPFC_IO_WAKE) {
3677 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3678 "0331 IOCB wake signaled\n");
3679 } else if (timeleft == 0) {
3680 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3681 "0338 IOCB wait timeout error - no "
3682 "wake response Data x%x\n", timeout);
3683 retval = IOCB_TIMEDOUT;
3685 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3686 "0330 IOCB wake NOT set, "
3688 timeout, (timeleft / jiffies));
3689 retval = IOCB_TIMEDOUT;
3692 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3693 ":0332 IOCB wait issue failed, Data x%x\n",
3695 retval = IOCB_ERROR;
3698 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
3699 creg_val = readl(phba->HCregaddr);
3700 creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
3701 writel(creg_val, phba->HCregaddr);
3702 readl(phba->HCregaddr); /* flush */
3706 piocb->context2 = NULL;
3708 piocb->context_un.wait_queue = NULL;
3709 piocb->iocb_cmpl = NULL;
3714 lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq,
3717 DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q);
3721 /* The caller must leave context1 empty. */
3722 if (pmboxq->context1)
3723 return MBX_NOT_FINISHED;
3725 /* setup wake call as IOCB callback */
3726 pmboxq->mbox_cmpl = lpfc_sli_wake_mbox_wait;
3727 /* setup context field to pass wait_queue pointer to wake function */
3728 pmboxq->context1 = &done_q;
3730 /* now issue the command */
3731 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
3733 if (retval == MBX_BUSY || retval == MBX_SUCCESS) {
3734 wait_event_interruptible_timeout(done_q,
3735 pmboxq->mbox_flag & LPFC_MBX_WAKE,
3738 spin_lock_irqsave(&phba->hbalock, flag);
3739 pmboxq->context1 = NULL;
3741 * if LPFC_MBX_WAKE flag is set the mailbox is completed
3742 * else do not free the resources.
3744 if (pmboxq->mbox_flag & LPFC_MBX_WAKE)
3745 retval = MBX_SUCCESS;
3747 retval = MBX_TIMEOUT;
3748 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
3750 spin_unlock_irqrestore(&phba->hbalock, flag);
3757 lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba)
3759 struct lpfc_vport *vport = phba->pport;
3763 while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE && !vport->stopped) {
3764 if (i++ > LPFC_MBOX_TMO * 1000)
3768 * Call lpfc_sli_handle_mb_event only if a mailbox cmd
3769 * did finish. This way we won't get the misleading
3770 * "Stray Mailbox Interrupt" message.
3772 spin_lock_irq(&phba->hbalock);
3773 ha_copy = phba->work_ha;
3774 phba->work_ha &= ~HA_MBATT;
3775 spin_unlock_irq(&phba->hbalock);
3777 if (ha_copy & HA_MBATT)
3778 if (lpfc_sli_handle_mb_event(phba) == 0)
3784 return (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) ? 1 : 0;
3788 lpfc_intr_handler(int irq, void *dev_id)
3790 struct lpfc_hba *phba;
3792 uint32_t work_ha_copy;
3793 unsigned long status;
3796 MAILBOX_t *mbox, *pmbox;
3797 struct lpfc_vport *vport;
3798 struct lpfc_nodelist *ndlp;
3799 struct lpfc_dmabuf *mp;
3804 * Get the driver's phba structure from the dev_id and
3805 * assume the HBA is not interrupting.
3807 phba = (struct lpfc_hba *) dev_id;
3809 if (unlikely(!phba))
3812 /* If the pci channel is offline, ignore all the interrupts. */
3813 if (unlikely(pci_channel_offline(phba->pcidev)))
3816 phba->sli.slistat.sli_intr++;
3819 * Call the HBA to see if it is interrupting. If not, don't claim
3823 /* Ignore all interrupts during initialization. */
3824 if (unlikely(phba->link_state < LPFC_LINK_DOWN))
3828 * Read host attention register to determine interrupt source
3829 * Clear Attention Sources, except Error Attention (to
3830 * preserve status) and Link Attention
3832 spin_lock(&phba->hbalock);
3833 ha_copy = readl(phba->HAregaddr);
3834 /* If somebody is waiting to handle an eratt don't process it
3835 * here. The brdkill function will do this.
3837 if (phba->link_flag & LS_IGNORE_ERATT)
3838 ha_copy &= ~HA_ERATT;
3839 writel((ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr);
3840 readl(phba->HAregaddr); /* flush */
3841 spin_unlock(&phba->hbalock);
3843 if (unlikely(!ha_copy))
3846 work_ha_copy = ha_copy & phba->work_ha_mask;
3848 if (unlikely(work_ha_copy)) {
3849 if (work_ha_copy & HA_LATT) {
3850 if (phba->sli.sli_flag & LPFC_PROCESS_LA) {
3852 * Turn off Link Attention interrupts
3853 * until CLEAR_LA done
3855 spin_lock(&phba->hbalock);
3856 phba->sli.sli_flag &= ~LPFC_PROCESS_LA;
3857 control = readl(phba->HCregaddr);
3858 control &= ~HC_LAINT_ENA;
3859 writel(control, phba->HCregaddr);
3860 readl(phba->HCregaddr); /* flush */
3861 spin_unlock(&phba->hbalock);
3864 work_ha_copy &= ~HA_LATT;
3867 if (work_ha_copy & ~(HA_ERATT|HA_MBATT|HA_LATT)) {
3869 * Turn off Slow Rings interrupts, LPFC_ELS_RING is
3870 * the only slow ring.
3872 status = (work_ha_copy &
3873 (HA_RXMASK << (4*LPFC_ELS_RING)));
3874 status >>= (4*LPFC_ELS_RING);
3875 if (status & HA_RXMASK) {
3876 spin_lock(&phba->hbalock);
3877 control = readl(phba->HCregaddr);
3879 lpfc_debugfs_slow_ring_trc(phba,
3880 "ISR slow ring: ctl:x%x stat:x%x isrcnt:x%x",
3882 (uint32_t)phba->sli.slistat.sli_intr);
3884 if (control & (HC_R0INT_ENA << LPFC_ELS_RING)) {
3885 lpfc_debugfs_slow_ring_trc(phba,
3887 "pwork:x%x hawork:x%x wait:x%x",
3888 phba->work_ha, work_ha_copy,
3889 (uint32_t)((unsigned long)
3893 ~(HC_R0INT_ENA << LPFC_ELS_RING);
3894 writel(control, phba->HCregaddr);
3895 readl(phba->HCregaddr); /* flush */
3898 lpfc_debugfs_slow_ring_trc(phba,
3899 "ISR slow ring: pwork:"
3900 "x%x hawork:x%x wait:x%x",
3901 phba->work_ha, work_ha_copy,
3902 (uint32_t)((unsigned long)
3905 spin_unlock(&phba->hbalock);
3909 if (work_ha_copy & HA_ERATT) {
3910 phba->link_state = LPFC_HBA_ERROR;
3912 * There was a link/board error. Read the
3913 * status register to retrieve the error event
3916 phba->sli.slistat.err_attn_event++;
3917 /* Save status info */
3918 phba->work_hs = readl(phba->HSregaddr);
3919 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
3920 phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
3922 /* Clear Chip error bit */
3923 writel(HA_ERATT, phba->HAregaddr);
3924 readl(phba->HAregaddr); /* flush */
3925 phba->pport->stopped = 1;
3928 if ((work_ha_copy & HA_MBATT) &&
3929 (phba->sli.mbox_active)) {
3930 pmb = phba->sli.mbox_active;
3932 mbox = &phba->slim2p->mbx;
3935 /* First check out the status word */
3936 lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof(uint32_t));
3937 if (pmbox->mbxOwner != OWN_HOST) {
3939 * Stray Mailbox Interrupt, mbxCommand <cmd>
3940 * mbxStatus <status>
3942 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX |
3944 "(%d):0304 Stray Mailbox "
3945 "Interrupt mbxCommand x%x "
3947 (vport ? vport->vpi : 0),
3951 phba->last_completion_time = jiffies;
3952 del_timer_sync(&phba->sli.mbox_tmo);
3954 phba->sli.mbox_active = NULL;
3955 if (pmb->mbox_cmpl) {
3956 lpfc_sli_pcimem_bcopy(mbox, pmbox,
3959 if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) {
3960 pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG;
3962 lpfc_debugfs_disc_trc(vport,
3963 LPFC_DISC_TRC_MBOX_VPORT,
3964 "MBOX dflt rpi: : status:x%x rpi:x%x",
3965 (uint32_t)pmbox->mbxStatus,
3966 pmbox->un.varWords[0], 0);
3968 if ( !pmbox->mbxStatus) {
3969 mp = (struct lpfc_dmabuf *)
3971 ndlp = (struct lpfc_nodelist *)
3974 /* Reg_LOGIN of dflt RPI was successful.
3975 * new lets get rid of the RPI using the
3978 lpfc_unreg_login(phba, vport->vpi,
3979 pmbox->un.varWords[0], pmb);
3980 pmb->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi;
3982 pmb->context2 = ndlp;
3984 spin_lock(&phba->hbalock);
3985 phba->sli.sli_flag &=
3986 ~LPFC_SLI_MBOX_ACTIVE;
3987 spin_unlock(&phba->hbalock);
3988 goto send_current_mbox;
3991 spin_lock(&phba->pport->work_port_lock);
3992 phba->pport->work_port_events &= ~WORKER_MBOX_TMO;
3993 spin_unlock(&phba->pport->work_port_lock);
3994 lpfc_mbox_cmpl_put(phba, pmb);
3996 if ((work_ha_copy & HA_MBATT) &&
3997 (phba->sli.mbox_active == NULL)) {
3999 spin_lock(&phba->hbalock);
4000 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
4001 pmb = lpfc_mbox_get(phba);
4002 spin_unlock(&phba->hbalock);
4004 /* Process next mailbox command if there is one */
4006 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
4007 if (rc == MBX_NOT_FINISHED) {
4008 pmb->mb.mbxStatus = MBX_NOT_FINISHED;
4009 lpfc_mbox_cmpl_put(phba, pmb);
4010 goto send_next_mbox;
4016 spin_lock(&phba->hbalock);
4017 phba->work_ha |= work_ha_copy;
4018 if (phba->work_wait)
4019 lpfc_worker_wake_up(phba);
4020 spin_unlock(&phba->hbalock);
4023 ha_copy &= ~(phba->work_ha_mask);
4026 * Process all events on FCP ring. Take the optimized path for
4027 * FCP IO. Any other IO is slow path and is handled by
4028 * the worker thread.
4030 status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING)));
4031 status >>= (4*LPFC_FCP_RING);
4032 if (status & HA_RXMASK)
4033 lpfc_sli_handle_fast_ring_event(phba,
4034 &phba->sli.ring[LPFC_FCP_RING],
4037 if (phba->cfg_multi_ring_support == 2) {
4039 * Process all events on extra ring. Take the optimized path
4040 * for extra ring IO. Any other IO is slow path and is handled
4041 * by the worker thread.
4043 status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING)));
4044 status >>= (4*LPFC_EXTRA_RING);
4045 if (status & HA_RXMASK) {
4046 lpfc_sli_handle_fast_ring_event(phba,
4047 &phba->sli.ring[LPFC_EXTRA_RING],
4053 } /* lpfc_intr_handler */