summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/lpfc/lpfc_sli.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c116
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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-14 09:06:43 +0000