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authorJames Smart <james.smart@emulex.com>2014-02-20 15:56:45 +0100
committerJames Bottomley <JBottomley@Parallels.com>2014-03-15 18:18:56 +0100
commit1ba981fd3ad1f91b8bb205ce6aac6aad45f2fa7a (patch)
treec5638d855f177a4be300a2df71d8d621a2cfc0ca /drivers/scsi/lpfc/lpfc_sli4.h
parent[SCSI] lpfc 8.3.45: Added dport mailbox pass through support. (diff)
downloadlinux-1ba981fd3ad1f91b8bb205ce6aac6aad45f2fa7a.tar.xz
linux-1ba981fd3ad1f91b8bb205ce6aac6aad45f2fa7a.zip
[SCSI] lpfc 8.3.45: Incorporated support of a low-latency io path
Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli4.h')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli4.h20
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index 298c8cd1a89d..e43259075e92 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -39,6 +39,10 @@
#define LPFC_FCP_IO_CHAN_MIN 1
#define LPFC_FCP_IO_CHAN_MAX 16
+/* Number of channels used for Flash Optimized Fabric (FOF) operations */
+
+#define LPFC_FOF_IO_CHAN_NUM 1
+
/*
* Provide the default FCF Record attributes used by the driver
* when nonFIP mode is configured and there is no other default
@@ -399,6 +403,7 @@ struct lpfc_pc_sli4_params {
uint32_t if_page_sz;
uint32_t rq_db_window;
uint32_t loopbk_scope;
+ uint32_t oas_supported;
uint32_t eq_pages_max;
uint32_t eqe_size;
uint32_t cq_pages_max;
@@ -439,6 +444,8 @@ struct lpfc_sli4_lnk_info {
uint8_t lnk_no;
};
+#define LPFC_SLI4_HANDLER_CNT (LPFC_FCP_IO_CHAN_MAX+ \
+ LPFC_FOF_IO_CHAN_NUM)
#define LPFC_SLI4_HANDLER_NAME_SZ 16
/* Used for IRQ vector to CPU mapping */
@@ -507,7 +514,7 @@ struct lpfc_sli4_hba {
struct lpfc_register sli_intf;
struct lpfc_pc_sli4_params pc_sli4_params;
struct msix_entry *msix_entries;
- uint8_t handler_name[LPFC_FCP_IO_CHAN_MAX][LPFC_SLI4_HANDLER_NAME_SZ];
+ uint8_t handler_name[LPFC_SLI4_HANDLER_CNT][LPFC_SLI4_HANDLER_NAME_SZ];
struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
/* Pointers to the constructed SLI4 queues */
@@ -527,6 +534,17 @@ struct lpfc_sli4_hba {
uint32_t ulp0_mode; /* ULP0 protocol mode */
uint32_t ulp1_mode; /* ULP1 protocol mode */
+ struct lpfc_queue *fof_eq; /* Flash Optimized Fabric Event queue */
+
+ /* Optimized Access Storage specific queues/structures */
+
+ struct lpfc_queue *oas_cq; /* OAS completion queue */
+ struct lpfc_queue *oas_wq; /* OAS Work queue */
+ struct lpfc_sli_ring *oas_ring;
+ uint64_t oas_next_lun;
+ uint8_t oas_next_tgt_wwpn[8];
+ uint8_t oas_next_vpt_wwpn[8];
+
/* Setup information for various queue parameters */
int eq_esize;
int eq_ecount;