[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 <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 100 insertions, 16 deletions

diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 2f7018821531..2c88999b7095 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -9834,9 +9834,70 @@ out:
 }
 
 /**
+ * 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;