diff options
| author | James Smart <james.smart@emulex.com> | 2014-02-20 09:56:45 -0500 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2014-03-15 10:18:56 -0700 |
| commit | 1ba981fd3ad1f91b8bb205ce6aac6aad45f2fa7a (patch) | |
| tree | c5638d855f177a4be300a2df71d8d621a2cfc0ca /drivers/scsi/lpfc/lpfc_sli4.h | |
| parent | 2a2719d370b2ec31451462f2775986e42cbeb39f (diff) | |
| download | linux-1ba981fd3ad1f91b8bb205ce6aac6aad45f2fa7a.tar.bz2 | |
[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.h | 20 |
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; |