From b19a061a785db22401b62cc4ee2baf95d5c7e2e7 Mon Sep 17 00:00:00 2001 From: James Smart Date: Tue, 6 Apr 2010 14:48:51 -0400 Subject: [SCSI] lpfc 8.3.12: Emulex SLI enhancements - Add the new Logical Link speed event support. - Add RATOV and EDTOV to the REG_VFI mailbox command. Signed-off-by: Alex Iannicelli Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_sli.c | 116 +++++++++++++++++++++++++++++++++++++------ 1 file changed, 100 insertions(+), 16 deletions(-) (limited to 'drivers/scsi/lpfc/lpfc_sli.c') diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 2f701882153..2c88999b709 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -9833,10 +9833,71 @@ out: return status; } +/** + * lpfc_mq_create_fb_init - Send MCC_CREATE without async events registration + * @phba: HBA structure that indicates port to create a queue on. + * @mq: The queue structure to use to create the mailbox queue. + * @mbox: An allocated pointer to type LPFC_MBOXQ_t + * @cq: The completion queue to associate with this cq. + * + * This function provides failback (fb) functionality when the + * mq_create_ext fails on older FW generations. It's purpose is identical + * to mq_create_ext otherwise. + * + * This routine cannot fail as all attributes were previously accessed and + * initialized in mq_create_ext. + **/ +static void +lpfc_mq_create_fb_init(struct lpfc_hba *phba, struct lpfc_queue *mq, + LPFC_MBOXQ_t *mbox, struct lpfc_queue *cq) +{ + struct lpfc_mbx_mq_create *mq_create; + struct lpfc_dmabuf *dmabuf; + int length; + + length = (sizeof(struct lpfc_mbx_mq_create) - + sizeof(struct lpfc_sli4_cfg_mhdr)); + lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, + LPFC_MBOX_OPCODE_MQ_CREATE, + length, LPFC_SLI4_MBX_EMBED); + mq_create = &mbox->u.mqe.un.mq_create; + bf_set(lpfc_mbx_mq_create_num_pages, &mq_create->u.request, + mq->page_count); + bf_set(lpfc_mq_context_cq_id, &mq_create->u.request.context, + cq->queue_id); + bf_set(lpfc_mq_context_valid, &mq_create->u.request.context, 1); + switch (mq->entry_count) { + case 16: + bf_set(lpfc_mq_context_count, &mq_create->u.request.context, + LPFC_MQ_CNT_16); + break; + case 32: + bf_set(lpfc_mq_context_count, &mq_create->u.request.context, + LPFC_MQ_CNT_32); + break; + case 64: + bf_set(lpfc_mq_context_count, &mq_create->u.request.context, + LPFC_MQ_CNT_64); + break; + case 128: + bf_set(lpfc_mq_context_count, &mq_create->u.request.context, + LPFC_MQ_CNT_128); + break; + } + list_for_each_entry(dmabuf, &mq->page_list, list) { + mq_create->u.request.page[dmabuf->buffer_tag].addr_lo = + putPaddrLow(dmabuf->phys); + mq_create->u.request.page[dmabuf->buffer_tag].addr_hi = + putPaddrHigh(dmabuf->phys); + } +} + /** * lpfc_mq_create - Create a mailbox Queue on the HBA * @phba: HBA structure that indicates port to create a queue on. * @mq: The queue structure to use to create the mailbox queue. + * @cq: The completion queue to associate with this cq. + * @subtype: The queue's subtype. * * This function creates a mailbox queue, as detailed in @mq, on a port, * described by @phba by sending a MQ_CREATE mailbox command to the HBA. @@ -9852,31 +9913,40 @@ out: * memory this function will return ENOMEM. If the queue create mailbox command * fails this function will return ENXIO. **/ -uint32_t +int32_t lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq, struct lpfc_queue *cq, uint32_t subtype) { struct lpfc_mbx_mq_create *mq_create; + struct lpfc_mbx_mq_create_ext *mq_create_ext; struct lpfc_dmabuf *dmabuf; LPFC_MBOXQ_t *mbox; int rc, length, status = 0; uint32_t shdr_status, shdr_add_status; union lpfc_sli4_cfg_shdr *shdr; + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!mbox) return -ENOMEM; - length = (sizeof(struct lpfc_mbx_mq_create) - + length = (sizeof(struct lpfc_mbx_mq_create_ext) - sizeof(struct lpfc_sli4_cfg_mhdr)); lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, - LPFC_MBOX_OPCODE_MQ_CREATE, + LPFC_MBOX_OPCODE_MQ_CREATE_EXT, length, LPFC_SLI4_MBX_EMBED); - mq_create = &mbox->u.mqe.un.mq_create; - bf_set(lpfc_mbx_mq_create_num_pages, &mq_create->u.request, + + mq_create_ext = &mbox->u.mqe.un.mq_create_ext; + bf_set(lpfc_mbx_mq_create_ext_num_pages, &mq_create_ext->u.request, mq->page_count); - bf_set(lpfc_mq_context_cq_id, &mq_create->u.request.context, - cq->queue_id); - bf_set(lpfc_mq_context_valid, &mq_create->u.request.context, 1); + bf_set(lpfc_mbx_mq_create_ext_async_evt_link, &mq_create_ext->u.request, + 1); + bf_set(lpfc_mbx_mq_create_ext_async_evt_fcfste, + &mq_create_ext->u.request, 1); + bf_set(lpfc_mbx_mq_create_ext_async_evt_group5, + &mq_create_ext->u.request, 1); + bf_set(lpfc_mq_context_cq_id, &mq_create_ext->u.request.context, + cq->queue_id); + bf_set(lpfc_mq_context_valid, &mq_create_ext->u.request.context, 1); switch (mq->entry_count) { default: lpfc_printf_log(phba, KERN_ERR, LOG_SLI, @@ -9886,31 +9956,46 @@ lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq, return -EINVAL; /* otherwise default to smallest count (drop through) */ case 16: - bf_set(lpfc_mq_context_count, &mq_create->u.request.context, + bf_set(lpfc_mq_context_count, &mq_create_ext->u.request.context, LPFC_MQ_CNT_16); break; case 32: - bf_set(lpfc_mq_context_count, &mq_create->u.request.context, + bf_set(lpfc_mq_context_count, &mq_create_ext->u.request.context, LPFC_MQ_CNT_32); break; case 64: - bf_set(lpfc_mq_context_count, &mq_create->u.request.context, + bf_set(lpfc_mq_context_count, &mq_create_ext->u.request.context, LPFC_MQ_CNT_64); break; case 128: - bf_set(lpfc_mq_context_count, &mq_create->u.request.context, + bf_set(lpfc_mq_context_count, &mq_create_ext->u.request.context, LPFC_MQ_CNT_128); break; } list_for_each_entry(dmabuf, &mq->page_list, list) { - mq_create->u.request.page[dmabuf->buffer_tag].addr_lo = + mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_lo = putPaddrLow(dmabuf->phys); - mq_create->u.request.page[dmabuf->buffer_tag].addr_hi = + mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_hi = putPaddrHigh(dmabuf->phys); } rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); + shdr = (union lpfc_sli4_cfg_shdr *) &mq_create_ext->header.cfg_shdr; + mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id, + &mq_create_ext->u.response); + if (rc != MBX_SUCCESS) { + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "2795 MQ_CREATE_EXT failed with " + "status x%x. Failback to MQ_CREATE.\n", + rc); + lpfc_mq_create_fb_init(phba, mq, mbox, cq); + mq_create = &mbox->u.mqe.un.mq_create; + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); + shdr = (union lpfc_sli4_cfg_shdr *) &mq_create->header.cfg_shdr; + mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id, + &mq_create->u.response); + } + /* The IOCTL status is embedded in the mailbox subheader. */ - shdr = (union lpfc_sli4_cfg_shdr *) &mq_create->header.cfg_shdr; shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); if (shdr_status || shdr_add_status || rc) { @@ -9921,7 +10006,6 @@ lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq, status = -ENXIO; goto out; } - mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id, &mq_create->u.response); if (mq->queue_id == 0xFFFF) { status = -ENXIO; goto out; -- cgit v1.2.3