diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
-rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 2047 |
1 files changed, 1369 insertions, 678 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index a1e721459e2..f4d5a6b00fd 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -38,23 +38,25 @@ #include "lpfc_crtn.h" #include "lpfc_logmsg.h" #include "lpfc_compat.h" +#include "lpfc_debugfs.h" /* * Define macro to log: Mailbox command x%x cannot issue Data * This allows multiple uses of lpfc_msgBlk0311 * w/o perturbing log msg utility. */ -#define LOG_MBOX_CANNOT_ISSUE_DATA( phba, mb, psli, flag) \ +#define LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag) \ lpfc_printf_log(phba, \ KERN_INFO, \ LOG_MBOX | LOG_SLI, \ - "%d:0311 Mailbox command x%x cannot issue " \ - "Data: x%x x%x x%x\n", \ + "%d (%d):0311 Mailbox command x%x cannot " \ + "issue Data: x%x x%x x%x\n", \ phba->brd_no, \ - mb->mbxCommand, \ - phba->hba_state, \ + pmbox->vport ? pmbox->vport->vpi : 0, \ + pmbox->mb.mbxCommand, \ + phba->pport->port_state, \ psli->sli_flag, \ - flag); + flag) /* There are only four IOCB completion types. */ @@ -65,8 +67,26 @@ typedef enum _lpfc_iocb_type { LPFC_ABORT_IOCB } lpfc_iocb_type; -struct lpfc_iocbq * -lpfc_sli_get_iocbq(struct lpfc_hba * phba) + /* SLI-2/SLI-3 provide different sized iocbs. Given a pointer + * to the start of the ring, and the slot number of the + * desired iocb entry, calc a pointer to that entry. + */ +static inline IOCB_t * +lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) +{ + return (IOCB_t *) (((char *) pring->cmdringaddr) + + pring->cmdidx * phba->iocb_cmd_size); +} + +static inline IOCB_t * +lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) +{ + return (IOCB_t *) (((char *) pring->rspringaddr) + + pring->rspidx * phba->iocb_rsp_size); +} + +static struct lpfc_iocbq * +__lpfc_sli_get_iocbq(struct lpfc_hba *phba) { struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; struct lpfc_iocbq * iocbq = NULL; @@ -75,10 +95,22 @@ lpfc_sli_get_iocbq(struct lpfc_hba * phba) return iocbq; } +struct lpfc_iocbq * +lpfc_sli_get_iocbq(struct lpfc_hba *phba) +{ + struct lpfc_iocbq * iocbq = NULL; + unsigned long iflags; + + spin_lock_irqsave(&phba->hbalock, iflags); + iocbq = __lpfc_sli_get_iocbq(phba); + spin_unlock_irqrestore(&phba->hbalock, iflags); + return iocbq; +} + void -lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocbq) +__lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) { - size_t start_clean = (size_t)(&((struct lpfc_iocbq *)NULL)->iocb); + size_t start_clean = offsetof(struct lpfc_iocbq, iocb); /* * Clean all volatile data fields, preserve iotag and node struct. @@ -87,6 +119,19 @@ lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocbq) list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); } +void +lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) +{ + unsigned long iflags; + + /* + * Clean all volatile data fields, preserve iotag and node struct. + */ + spin_lock_irqsave(&phba->hbalock, iflags); + __lpfc_sli_release_iocbq(phba, iocbq); + spin_unlock_irqrestore(&phba->hbalock, iflags); +} + /* * Translate the iocb command to an iocb command type used to decide the final * disposition of each completed IOCB. @@ -155,6 +200,9 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) case CMD_RCV_ELS_REQ_CX: case CMD_RCV_SEQUENCE64_CX: case CMD_RCV_ELS_REQ64_CX: + case CMD_IOCB_RCV_SEQ64_CX: + case CMD_IOCB_RCV_ELS64_CX: + case CMD_IOCB_RCV_CONT64_CX: type = LPFC_UNSOL_IOCB; break; default: @@ -166,73 +214,77 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) } static int -lpfc_sli_ring_map(struct lpfc_hba * phba, LPFC_MBOXQ_t *pmb) +lpfc_sli_ring_map(struct lpfc_hba *phba) { struct lpfc_sli *psli = &phba->sli; - MAILBOX_t *pmbox = &pmb->mb; - int i, rc; + LPFC_MBOXQ_t *pmb; + MAILBOX_t *pmbox; + int i, rc, ret = 0; + pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!pmb) + return -ENOMEM; + pmbox = &pmb->mb; + phba->link_state = LPFC_INIT_MBX_CMDS; for (i = 0; i < psli->num_rings; i++) { - phba->hba_state = LPFC_INIT_MBX_CMDS; lpfc_config_ring(phba, i, pmb); rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); if (rc != MBX_SUCCESS) { - lpfc_printf_log(phba, - KERN_ERR, - LOG_INIT, - "%d:0446 Adapter failed to init, " + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "%d:0446 Adapter failed to init (%d), " "mbxCmd x%x CFG_RING, mbxStatus x%x, " "ring %d\n", - phba->brd_no, + phba->brd_no, rc, pmbox->mbxCommand, pmbox->mbxStatus, i); - phba->hba_state = LPFC_HBA_ERROR; - return -ENXIO; + phba->link_state = LPFC_HBA_ERROR; + ret = -ENXIO; + break; } } - return 0; + mempool_free(pmb, phba->mbox_mem_pool); + return ret; } static int -lpfc_sli_ringtxcmpl_put(struct lpfc_hba * phba, - struct lpfc_sli_ring * pring, struct lpfc_iocbq * piocb) +lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, + struct lpfc_iocbq *piocb) { list_add_tail(&piocb->list, &pring->txcmplq); pring->txcmplq_cnt++; - if (unlikely(pring->ringno == LPFC_ELS_RING)) - mod_timer(&phba->els_tmofunc, - jiffies + HZ * (phba->fc_ratov << 1)); + if ((unlikely(pring->ringno == LPFC_ELS_RING)) && + (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && + (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { + if (!piocb->vport) + BUG(); + else + mod_timer(&piocb->vport->els_tmofunc, + jiffies + HZ * (phba->fc_ratov << 1)); + } - return (0); + + return 0; } static struct lpfc_iocbq * -lpfc_sli_ringtx_get(struct lpfc_hba * phba, struct lpfc_sli_ring * pring) +lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { - struct list_head *dlp; struct lpfc_iocbq *cmd_iocb; - dlp = &pring->txq; - cmd_iocb = NULL; - list_remove_head((&pring->txq), cmd_iocb, - struct lpfc_iocbq, - list); - if (cmd_iocb) { - /* If the first ptr is not equal to the list header, - * deque the IOCBQ_t and return it. - */ + list_remove_head((&pring->txq), cmd_iocb, struct lpfc_iocbq, list); + if (cmd_iocb != NULL) pring->txq_cnt--; - } - return (cmd_iocb); + return cmd_iocb; } static IOCB_t * lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { - struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; + struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? + &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : + &phba->slim2p->mbx.us.s2.port[pring->ringno]; uint32_t max_cmd_idx = pring->numCiocb; - IOCB_t *iocb = NULL; if ((pring->next_cmdidx == pring->cmdidx) && (++pring->next_cmdidx >= max_cmd_idx)) @@ -249,15 +301,17 @@ lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) phba->brd_no, pring->ringno, pring->local_getidx, max_cmd_idx); - phba->hba_state = LPFC_HBA_ERROR; + phba->link_state = LPFC_HBA_ERROR; /* * All error attention handlers are posted to * worker thread */ phba->work_ha |= HA_ERATT; phba->work_hs = HS_FFER3; + + /* hbalock should already be held */ if (phba->work_wait) - wake_up(phba->work_wait); + lpfc_worker_wake_up(phba); return NULL; } @@ -266,39 +320,34 @@ lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) return NULL; } - iocb = IOCB_ENTRY(pring->cmdringaddr, pring->cmdidx); - - return iocb; + return lpfc_cmd_iocb(phba, pring); } uint16_t -lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocbq) +lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) { - struct lpfc_iocbq ** new_arr; - struct lpfc_iocbq ** old_arr; + struct lpfc_iocbq **new_arr; + struct lpfc_iocbq **old_arr; size_t new_len; struct lpfc_sli *psli = &phba->sli; uint16_t iotag; - spin_lock_irq(phba->host->host_lock); + spin_lock_irq(&phba->hbalock); iotag = psli->last_iotag; if(++iotag < psli->iocbq_lookup_len) { psli->last_iotag = iotag; psli->iocbq_lookup[iotag] = iocbq; - spin_unlock_irq(phba->host->host_lock); + spin_unlock_irq(&phba->hbalock); iocbq->iotag = iotag; return iotag; - } - else if (psli->iocbq_lookup_len < (0xffff + } else if (psli->iocbq_lookup_len < (0xffff - LPFC_IOCBQ_LOOKUP_INCREMENT)) { new_len = psli->iocbq_lookup_len + LPFC_IOCBQ_LOOKUP_INCREMENT; - spin_unlock_irq(phba->host->host_lock); - new_arr = kmalloc(new_len * sizeof (struct lpfc_iocbq *), + spin_unlock_irq(&phba->hbalock); + new_arr = kzalloc(new_len * sizeof (struct lpfc_iocbq *), GFP_KERNEL); if (new_arr) { - memset((char *)new_arr, 0, - new_len * sizeof (struct lpfc_iocbq *)); - spin_lock_irq(phba->host->host_lock); + spin_lock_irq(&phba->hbalock); old_arr = psli->iocbq_lookup; if (new_len <= psli->iocbq_lookup_len) { /* highly unprobable case */ @@ -307,11 +356,11 @@ lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocbq) if(++iotag < psli->iocbq_lookup_len) { psli->last_iotag = iotag; psli->iocbq_lookup[iotag] = iocbq; - spin_unlock_irq(phba->host->host_lock); + spin_unlock_irq(&phba->hbalock); iocbq->iotag = iotag; return iotag; } - spin_unlock_irq(phba->host->host_lock); + spin_unlock_irq(&phba->hbalock); return 0; } if (psli->iocbq_lookup) @@ -322,13 +371,13 @@ lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocbq) psli->iocbq_lookup_len = new_len; psli->last_iotag = iotag; psli->iocbq_lookup[iotag] = iocbq; - spin_unlock_irq(phba->host->host_lock); + spin_unlock_irq(&phba->hbalock); iocbq->iotag = iotag; kfree(old_arr); return iotag; } } else - spin_unlock_irq(phba->host->host_lock); + spin_unlock_irq(&phba->hbalock); lpfc_printf_log(phba, KERN_ERR,LOG_SLI, "%d:0318 Failed to allocate IOTAG.last IOTAG is %d\n", @@ -349,7 +398,7 @@ lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /* * Issue iocb command to adapter */ - lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, sizeof (IOCB_t)); + lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, phba->iocb_cmd_size); wmb(); pring->stats.iocb_cmd++; @@ -361,20 +410,18 @@ lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, if (nextiocb->iocb_cmpl) lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb); else - lpfc_sli_release_iocbq(phba, nextiocb); + __lpfc_sli_release_iocbq(phba, nextiocb); /* * Let the HBA know what IOCB slot will be the next one the * driver will put a command into. */ pring->cmdidx = pring->next_cmdidx; - writel(pring->cmdidx, phba->MBslimaddr - + (SLIMOFF + (pring->ringno * 2)) * 4); + writel(pring->cmdidx, &phba->host_gp[pring->ringno].cmdPutInx); } static void -lpfc_sli_update_full_ring(struct lpfc_hba * phba, - struct lpfc_sli_ring *pring) +lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { int ringno = pring->ringno; @@ -393,8 +440,7 @@ lpfc_sli_update_full_ring(struct lpfc_hba * phba, } static void -lpfc_sli_update_ring(struct lpfc_hba * phba, - struct lpfc_sli_ring *pring) +lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { int ringno = pring->ringno; @@ -407,7 +453,7 @@ lpfc_sli_update_ring(struct lpfc_hba * phba, } static void -lpfc_sli_resume_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring) +lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { IOCB_t *iocb; struct lpfc_iocbq *nextiocb; @@ -420,7 +466,7 @@ lpfc_sli_resume_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring) * (d) IOCB processing is not blocked by the outstanding mbox command. */ if (pring->txq_cnt && - (phba->hba_state > LPFC_LINK_DOWN) && + lpfc_is_link_up(phba) && (pring->ringno != phba->sli.fcp_ring || phba->sli.sli_flag & LPFC_PROCESS_LA) && !(pring->flag & LPFC_STOP_IOCB_MBX)) { @@ -440,11 +486,15 @@ lpfc_sli_resume_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring) /* lpfc_sli_turn_on_ring is only called by lpfc_sli_handle_mb_event below */ static void -lpfc_sli_turn_on_ring(struct lpfc_hba * phba, int ringno) +lpfc_sli_turn_on_ring(struct lpfc_hba *phba, int ringno) { - struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[ringno]; + struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? + &phba->slim2p->mbx.us.s3_pgp.port[ringno] : + &phba->slim2p->mbx.us.s2.port[ringno]; + unsigned long iflags; /* If the ring is active, flag it */ + spin_lock_irqsave(&phba->hbalock, iflags); if (phba->sli.ring[ringno].cmdringaddr) { if (phba->sli.ring[ringno].flag & LPFC_STOP_IOCB_MBX) { phba->sli.ring[ringno].flag &= ~LPFC_STOP_IOCB_MBX; @@ -453,11 +503,176 @@ lpfc_sli_turn_on_ring(struct lpfc_hba * phba, int ringno) */ phba->sli.ring[ringno].local_getidx = le32_to_cpu(pgp->cmdGetInx); - spin_lock_irq(phba->host->host_lock); lpfc_sli_resume_iocb(phba, &phba->sli.ring[ringno]); - spin_unlock_irq(phba->host->host_lock); } } + spin_unlock_irqrestore(&phba->hbalock, iflags); +} + +struct lpfc_hbq_entry * +lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno) +{ + struct hbq_s *hbqp = &phba->hbqs[hbqno]; + + if (hbqp->next_hbqPutIdx == hbqp->hbqPutIdx && + ++hbqp->next_hbqPutIdx >= hbqp->entry_count) + hbqp->next_hbqPutIdx = 0; + + if (unlikely(hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx)) { + uint32_t raw_index = phba->hbq_get[hbqno]; + uint32_t getidx = le32_to_cpu(raw_index); + + hbqp->local_hbqGetIdx = getidx; + + if (unlikely(hbqp->local_hbqGetIdx >= hbqp->entry_count)) { + lpfc_printf_log(phba, KERN_ERR, + LOG_SLI | LOG_VPORT, + "%d:1802 HBQ %d: local_hbqGetIdx " + "%u is > than hbqp->entry_count %u\n", + phba->brd_no, hbqno, + hbqp->local_hbqGetIdx, + hbqp->entry_count); + + phba->link_state = LPFC_HBA_ERROR; + return NULL; + } + + if (hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx) + return NULL; + } + + return (struct lpfc_hbq_entry *) phba->hbqslimp.virt + hbqp->hbqPutIdx; +} + +void +lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba) +{ + struct lpfc_dmabuf *dmabuf, *next_dmabuf; + struct hbq_dmabuf *hbq_buf; + + /* Return all memory used by all HBQs */ + list_for_each_entry_safe(dmabuf, next_dmabuf, + &phba->hbq_buffer_list, list) { + hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf); + list_del(&hbq_buf->dbuf.list); + lpfc_hbq_free(phba, hbq_buf->dbuf.virt, hbq_buf->dbuf.phys); + kfree(hbq_buf); + } +} + +static void +lpfc_sli_hbq_to_firmware(struct lpfc_hba *phba, uint32_t hbqno, + struct hbq_dmabuf *hbq_buf) +{ + struct lpfc_hbq_entry *hbqe; + dma_addr_t physaddr = hbq_buf->dbuf.phys; + + /* Get next HBQ entry slot to use */ + hbqe = lpfc_sli_next_hbq_slot(phba, hbqno); + if (hbqe) { + struct hbq_s *hbqp = &phba->hbqs[hbqno]; + + hbqe->bde.addrHigh = le32_to_cpu(putPaddrHigh(physaddr)); + hbqe->bde.addrLow = le32_to_cpu(putPaddrLow(physaddr)); + hbqe->bde.tus.f.bdeSize = FCELSSIZE; + hbqe->bde.tus.f.bdeFlags = 0; + hbqe->bde.tus.w = le32_to_cpu(hbqe->bde.tus.w); + hbqe->buffer_tag = le32_to_cpu(hbq_buf->tag); + /* Sync SLIM */ + hbqp->hbqPutIdx = hbqp->next_hbqPutIdx; + writel(hbqp->hbqPutIdx, phba->hbq_put + hbqno); + /* flush */ + readl(phba->hbq_put + hbqno); + list_add_tail(&hbq_buf->dbuf.list, &phba->hbq_buffer_list); + } +} + +static struct lpfc_hbq_init lpfc_els_hbq = { + .rn = 1, + .entry_count = 200, + .mask_count = 0, + .profile = 0, + .ring_mask = 1 << LPFC_ELS_RING, + .buffer_count = 0, + .init_count = 20, + .add_count = 5, +}; + +static struct lpfc_hbq_init *lpfc_hbq_defs[] = { + &lpfc_els_hbq, +}; + +int +lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) +{ + uint32_t i, start, end; + struct hbq_dmabuf *hbq_buffer; + + start = lpfc_hbq_defs[hbqno]->buffer_count; + end = count + lpfc_hbq_defs[hbqno]->buffer_count; + if (end > lpfc_hbq_defs[hbqno]->entry_count) { + end = lpfc_hbq_defs[hbqno]->entry_count; + } + + /* Populate HBQ entries */ + for (i = start; i < end; i++) { + hbq_buffer = kmalloc(sizeof(struct hbq_dmabuf), + GFP_KERNEL); + if (!hbq_buffer) + return 1; + hbq_buffer->dbuf.virt = lpfc_hbq_alloc(phba, MEM_PRI, + &hbq_buffer->dbuf.phys); + if (hbq_buffer->dbuf.virt == NULL) + return 1; + hbq_buffer->tag = (i | (hbqno << 16)); + lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer); + lpfc_hbq_defs[hbqno]->buffer_count++; + } + return 0; +} + +int +lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) +{ + return(lpfc_sli_hbqbuf_fill_hbqs(phba, qno, + lpfc_hbq_defs[qno]->add_count)); +} + +int +lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno) +{ + return(lpfc_sli_hbqbuf_fill_hbqs(phba, qno, + lpfc_hbq_defs[qno]->init_count)); +} + +struct hbq_dmabuf * +lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) +{ + struct lpfc_dmabuf *d_buf; + struct hbq_dmabuf *hbq_buf; + + list_for_each_entry(d_buf, &phba->hbq_buffer_list, list) { + hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); + if ((hbq_buf->tag & 0xffff) == tag) { + return hbq_buf; + } + } + lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_VPORT, + "%d:1803 Bad hbq tag. Data: x%x x%x\n", + phba->brd_no, tag, + lpfc_hbq_defs[tag >> 16]->buffer_count); + return NULL; +} + +void +lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *sp) +{ + uint32_t hbqno; + + if (sp) { + hbqno = sp->tag >> 16; + lpfc_sli_hbq_to_firmware(phba, hbqno, sp); + } } static int @@ -511,32 +726,38 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand) case MBX_FLASH_WR_ULA: case MBX_SET_DEBUG: case MBX_LOAD_EXP_ROM: + case MBX_REG_VPI: + case MBX_UNREG_VPI: + case MBX_HEARTBEAT: ret = mbxCommand; break; default: ret = MBX_SHUTDOWN; break; } - return (ret); + return ret; } static void -lpfc_sli_wake_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) +lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) { wait_queue_head_t *pdone_q; + unsigned long drvr_flag; /* * If pdone_q is empty, the driver thread gave up waiting and * continued running. */ pmboxq->mbox_flag |= LPFC_MBX_WAKE; + spin_lock_irqsave(&phba->hbalock, drvr_flag); pdone_q = (wait_queue_head_t *) pmboxq->context1; if (pdone_q) wake_up_interruptible(pdone_q); + spin_unlock_irqrestore(&phba->hbalock, drvr_flag); return; } void -lpfc_sli_def_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) +lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { struct lpfc_dmabuf *mp; uint16_t rpi; @@ -553,79 +774,64 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) * If a REG_LOGIN succeeded after node is destroyed or node * is in re-discovery driver need to cleanup the RPI. */ - if (!(phba->fc_flag & FC_UNLOADING) && - (pmb->mb.mbxCommand == MBX_REG_LOGIN64) && - (!pmb->mb.mbxStatus)) { + if (!(phba->pport->load_flag & FC_UNLOADING) && + pmb->mb.mbxCommand == MBX_REG_LOGIN64 && + !pmb->mb.mbxStatus) { rpi = pmb->mb.un.varWords[0]; - lpfc_unreg_login(phba, rpi, pmb); - pmb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; + lpfc_unreg_login(phba, pmb->mb.un.varRegLogin.vpi, rpi, pmb); + pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); if (rc != MBX_NOT_FINISHED) return; } - mempool_free( pmb, phba->mbox_mem_pool); + mempool_free(pmb, phba->mbox_mem_pool); return; } int -lpfc_sli_handle_mb_event(struct lpfc_hba * phba) +lpfc_sli_handle_mb_event(struct lpfc_hba *phba) { - MAILBOX_t *mbox; MAILBOX_t *pmbox; LPFC_MBOXQ_t *pmb; - struct lpfc_sli *psli; - int i, rc; - uint32_t process_next; - - psli = &phba->sli; - /* We should only get here if we are in SLI2 mode */ - if (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE)) { - return (1); - } + int rc; + LIST_HEAD(cmplq); phba->sli.slistat.mbox_event++; + /* Get all completed mailboxe buffers into the cmplq */ + spin_lock_irq(&phba->hbalock); + list_splice_init(&phba->sli.mboxq_cmpl, &cmplq); + spin_unlock_irq(&phba->hbalock); + /* Get a Mailbox buffer to setup mailbox commands for callback */ - if ((pmb = phba->sli.mbox_active)) { - pmbox = &pmb->mb; - mbox = &phba->slim2p->mbx; + do { + list_remove_head(&cmplq, pmb, LPFC_MBOXQ_t, list); + if (pmb == NULL) + break; - /* First check out the status word */ - lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof (uint32_t)); + pmbox = &pmb->mb; - /* Sanity check to ensure the host owns the mailbox */ - if (pmbox->mbxOwner != OWN_HOST) { - /* Lets try for a while */ - for (i = 0; i < 10240; i++) { - /* First copy command data */ - lpfc_sli_pcimem_bcopy(mbox, pmbox, - sizeof (uint32_t)); - if (pmbox->mbxOwner == OWN_HOST) - goto mbout; + if (pmbox->mbxCommand != MBX_HEARTBEAT) { + if (pmb->vport) { + lpfc_debugfs_disc_trc(pmb->vport, + LPFC_DISC_TRC_MBOX_VPORT, + "MBOX cmpl vport: cmd:x%x mb:x%x x%x", + (uint32_t)pmbox->mbxCommand, + pmbox->un.varWords[0], + pmbox->un.varWords[1]); + } + else { + lpfc_debugfs_disc_trc(phba->pport, + LPFC_DISC_TRC_MBOX, + "MBOX cmpl: cmd:x%x mb:x%x x%x", + (uint32_t)pmbox->mbxCommand, + pmbox->un.varWords[0], + pmbox->un.varWords[1]); } - /* Stray Mailbox Interrupt, mbxCommand <cmd> mbxStatus - <status> */ - lpfc_printf_log(phba, - KERN_WARNING, - LOG_MBOX | LOG_SLI, - "%d:0304 Stray Mailbox Interrupt " - "mbxCommand x%x mbxStatus x%x\n", - phba->brd_no, - pmbox->mbxCommand, - pmbox->mbxStatus); - - spin_lock_irq(phba->host->host_lock); - phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE; - spin_unlock_irq(phba->host->host_lock); - return (1); } - mbout: - del_timer_sync(&phba->sli.mbox_tmo); - phba->work_hba_events &= ~WORKER_MBOX_TMO; - /* * It is a fatal error if unknown mbox command completion. */ @@ -633,51 +839,50 @@ lpfc_sli_handle_mb_event(struct lpfc_hba * phba) MBX_SHUTDOWN) { /* Unknow mailbox command compl */ - lpfc_printf_log(phba, - KERN_ERR, - LOG_MBOX | LOG_SLI, - "%d:0323 Unknown Mailbox command %x Cmpl\n", - phba->brd_no, - pmbox->mbxCommand); - phba->hba_state = LPFC_HBA_ERROR; + lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, + "%d (%d):0323 Unknown Mailbox command " + "%x Cmpl\n", + phba->brd_no, + pmb->vport ? pmb->vport->vpi : 0, + pmbox->mbxCommand); + phba->link_state = LPFC_HBA_ERROR; phba->work_hs = HS_FFER3; lpfc_handle_eratt(phba); - return (0); + continue; } - phba->sli.mbox_active = NULL; if (pmbox->mbxStatus) { phba->sli.slistat.mbox_stat_err++; if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) { /* Mbox cmd cmpl error - RETRYing */ - lpfc_printf_log(phba, - KERN_INFO, - LOG_MBOX | LOG_SLI, - "%d:0305 Mbox cmd cmpl error - " - "RETRYing Data: x%x x%x x%x x%x\n", - phba->brd_no, - pmbox->mbxCommand, - pmbox->mbxStatus, - pmbox->un.varWords[0], - phba->hba_state); + lpfc_printf_log(phba, KERN_INFO, + LOG_MBOX | LOG_SLI, + "%d (%d):0305 Mbox cmd cmpl " + "error - RETRYing Data: x%x " + "x%x x%x x%x\n", + phba->brd_no, + pmb->vport ? pmb->vport->vpi :0, + pmbox->mbxCommand, + pmbox->mbxStatus, + pmbox->un.varWords[0], + pmb->vport->port_state); pmbox->mbxStatus = 0; pmbox->mbxOwner = OWN_HOST; - spin_lock_irq(phba->host->host_lock); + spin_lock_irq(&phba->hbalock); phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; - spin_unlock_irq(phba->host->host_lock); + spin_unlock_irq(&phba->hbalock); rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); if (rc == MBX_SUCCESS) - return (0); + continue; } } /* Mailbox cmd <cmd> Cmpl <cmpl> */ - lpfc_printf_log(phba, - KERN_INFO, - LOG_MBOX | LOG_SLI, - "%d:0307 Mailbox cmd x%x Cmpl x%p " + lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, + "%d (%d):0307 Mailbox cmd x%x Cmpl x%p " "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x\n", phba->brd_no, + pmb->vport ? pmb->vport->vpi : 0, pmbox->mbxCommand, pmb->mbox_cmpl, *((uint32_t *) pmbox), @@ -690,39 +895,35 @@ lpfc_sli_handle_mb_event(struct lpfc_hba * phba) pmbox->un.varWords[6], pmbox->un.varWords[7]); - if (pmb->mbox_cmpl) { - lpfc_sli_pcimem_bcopy(mbox, pmbox, MAILBOX_CMD_SIZE); + if (pmb->mbox_cmpl) pmb->mbox_cmpl(phba,pmb); - } - } - - - do { - process_next = 0; /* by default don't loop */ - spin_lock_irq(phba->host->host_lock); - phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; - - /* Process next mailbox command if there is one */ - if ((pmb = lpfc_mbox_get(phba))) { - spin_unlock_irq(phba->host->host_lock); - rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); - if (rc == MBX_NOT_FINISHED) { - pmb->mb.mbxStatus = MBX_NOT_FINISHED; - pmb->mbox_cmpl(phba,pmb); - process_next = 1; - continue; /* loop back */ - } - } else { - spin_unlock_irq(phba->host->host_lock); - /* Turn on IOCB processing */ - for (i = 0; i < phba->sli.num_rings; i++) - lpfc_sli_turn_on_ring(phba, i); - } - - } while (process_next); + } while (1); + return 0; +} - return (0); +static struct lpfc_dmabuf * +lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag) +{ + struct hbq_dmabuf *hbq_entry, *new_hbq_entry; + + hbq_entry = lpfc_sli_hbqbuf_find(phba, tag); + if (hbq_entry == NULL) + return NULL; + list_del(&hbq_entry->dbuf.list); + new_hbq_entry = kmalloc(sizeof(struct hbq_dmabuf), GFP_ATOMIC); + if (new_hbq_entry == NULL) + return &hbq_entry->dbuf; + new_hbq_entry->dbuf = hbq_entry->dbuf; + new_hbq_entry->tag = -1; + hbq_entry->dbuf.virt = lpfc_hbq_alloc(phba, 0, &hbq_entry->dbuf.phys); + if (hbq_entry->dbuf.virt == NULL) { + kfree(new_hbq_entry); + return &hbq_entry->dbuf; + } + lpfc_sli_free_hbq(phba, hbq_entry); + return &new_hbq_entry->dbuf; } + static int lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *saveq) @@ -735,7 +936,9 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, match = 0; irsp = &(saveq->iocb); if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) - || (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX)) { + || (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX) + || (irsp->ulpCommand == CMD_IOCB_RCV_ELS64_CX) + || (irsp->ulpCommand == CMD_IOCB_RCV_CONT64_CX)) { Rctl = FC_ELS_REQ; Type = FC_ELS_DATA; } else { @@ -747,13 +950,24 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /* Firmware Workaround */ if ((Rctl == 0) && (pring->ringno == LPFC_ELS_RING) && - (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX)) { + (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX || + irsp->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { Rctl = FC_ELS_REQ; Type = FC_ELS_DATA; w5p->hcsw.Rctl = Rctl; w5p->hcsw.Type = Type; } } + + if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { + if (irsp->ulpBdeCount != 0) + saveq->context2 = lpfc_sli_replace_hbqbuff(phba, + irsp->un.ulpWord[3]); + if (irsp->ulpBdeCount == 2) + saveq->context3 = lpfc_sli_replace_hbqbuff(phba, + irsp->un.ulpWord[15]); + } + /* unSolicited Responses */ if (pring->prt[0].profile) { if (pring->prt[0].lpfc_sli_rcv_unsol_event) @@ -781,23 +995,21 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /* Unexpected Rctl / Type received */ /* Ring <ringno> handler: unexpected Rctl <Rctl> Type <Type> received */ - lpfc_printf_log(phba, - KERN_WARNING, - LOG_SLI, + lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, "%d:0313 Ring %d handler: unexpected Rctl x%x " - "Type x%x received \n", + "Type x%x received\n", phba->brd_no, pring->ringno, Rctl, Type); } - return(1); + return 1; } static struct lpfc_iocbq * -lpfc_sli_iocbq_lookup(struct lpfc_hba * phba, - struct lpfc_sli_ring * pring, - struct lpfc_iocbq * prspiocb) +lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, + struct lpfc_sli_ring *pring, + struct lpfc_iocbq *prspiocb) { struct lpfc_iocbq *cmd_iocb = NULL; uint16_t iotag; @@ -806,7 +1018,7 @@ lpfc_sli_iocbq_lookup(struct lpfc_hba * phba, if (iotag != 0 && iotag <= phba->sli.last_iotag) { cmd_iocb = phba->sli.iocbq_lookup[iotag]; - list_del(&cmd_iocb->list); + list_del_init(&cmd_iocb->list); pring->txcmplq_cnt--; return cmd_iocb; } @@ -821,16 +1033,18 @@ lpfc_sli_iocbq_lookup(struct lpfc_hba * phba, } static int -lpfc_sli_process_sol_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, +lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *saveq) { - struct lpfc_iocbq * cmdiocbp; + struct lpfc_iocbq *cmdiocbp; int rc = 1; unsigned long iflag; /* Based on the iotag field, get the cmd IOCB from the txcmplq */ - spin_lock_irqsave(phba->host->host_lock, iflag); + spin_lock_irqsave(&phba->hbalock, iflag); cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, saveq); + spin_unlock_irqrestore(&phba->hbalock, iflag); + if (cmdiocbp) { if (cmdiocbp->iocb_cmpl) { /* @@ -846,17 +1060,8 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, saveq->iocb.un.ulpWord[4] = IOERR_SLI_ABORTED; } - spin_unlock_irqrestore(phba->host->host_lock, - iflag); - (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); - spin_lock_irqsave(phba->host->host_lock, iflag); - } - else { - spin_unlock_irqrestore(phba->host->host_lock, - iflag); - (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); - spin_lock_irqsave(phba->host->host_lock, iflag); } + (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); } else lpfc_sli_release_iocbq(phba, cmdiocbp); } else { @@ -870,29 +1075,30 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, * Ring <ringno> handler: unexpected completion IoTag * <IoTag> */ - lpfc_printf_log(phba, - KERN_WARNING, - LOG_SLI, - "%d:0322 Ring %d handler: unexpected " - "completion IoTag x%x Data: x%x x%x x%x x%x\n", - phba->brd_no, - pring->ringno, - saveq->iocb.ulpIoTag, - saveq->iocb.ulpStatus, - saveq->iocb.un.ulpWord[4], - saveq->iocb.ulpCommand, - saveq->iocb.ulpContext); + lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, + "%d (%d):0322 Ring %d handler: " + "unexpected completion IoTag x%x " + "Data: x%x x%x x%x x%x\n", + phba->brd_no, + cmdiocbp->vport->vpi, + pring->ringno, + saveq->iocb.ulpIoTag, + saveq->iocb.ulpStatus, + saveq->iocb.un.ulpWord[4], + saveq->iocb.ulpCommand, + saveq->iocb.ulpContext); } } - spin_unlock_irqrestore(phba->host->host_lock, iflag); return rc; } -static void lpfc_sli_rsp_pointers_error(struct lpfc_hba * phba, - struct lpfc_sli_ring * pring) +static void +lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { - struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; + struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? + &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : + &phba->slim2p->mbx.us.s2.port[pring->ringno]; /* * Ring <ringno> handler: portRspPut <portRspPut> is bigger then * rsp ring <portRspMax> @@ -904,7 +1110,7 @@ static void lpfc_sli_rsp_pointers_error(struct lpfc_hba * phba, le32_to_cpu(pgp->rspPutInx), pring->numRiocb); - phba->hba_state = LPFC_HBA_ERROR; + phba->link_state = LPFC_HBA_ERROR; /* * All error attention handlers are posted to @@ -912,16 +1118,18 @@ static void lpfc_sli_rsp_pointers_error(struct lpfc_hba * phba, */ phba->work_ha |= HA_ERATT; phba->work_hs = HS_FFER3; + + /* hbalock should already be held */ if (phba->work_wait) - wake_up(phba->work_wait); + lpfc_worker_wake_up(phba); return; } -void lpfc_sli_poll_fcp_ring(struct lpfc_hba * phba) +void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba) { - struct lpfc_sli * psli = &phba->sli; - struct lpfc_sli_ring * pring = &psli->ring[LPFC_FCP_RING]; + struct lpfc_sli *psli = &phba->sli; + struct lpfc_sli_ring *pring = &psli->ring[LPFC_FCP_RING]; IOCB_t *irsp = NULL; IOCB_t *entry = NULL; struct lpfc_iocbq *cmdiocbq = NULL; @@ -931,13 +1139,15 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba * phba) uint32_t portRspPut, portRspMax; int type; uint32_t rsp_cmpl = 0; - void __iomem *to_slim; uint32_t ha_copy; + unsigned long iflags; pring->stats.iocb_event++; - /* The driver assumes SLI-2 mode */ - pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno]; + pgp = (phba->sli_rev == 3) ? + &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : + &phba->slim2p->mbx.us.s2.port[pring->ringno]; + /* * The next available response entry should never exceed the maximum @@ -952,15 +1162,13 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba * phba) rmb(); while (pring->rspidx != portRspPut) { - - entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx); - + entry = lpfc_resp_iocb(phba, pring); if (++pring->rspidx >= portRspMax) pring->rspidx = 0; lpfc_sli_pcimem_bcopy((uint32_t *) e |