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path: root/drivers/scsi/lpfc/lpfc_sli.h
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.h')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.h42
1 files changed, 30 insertions, 12 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
index 2626f58c..2f48d00 100644
--- a/drivers/scsi/lpfc/lpfc_sli.h
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -131,7 +131,9 @@ typedef struct lpfcMboxq {
#define LPFC_MAX_RING_MASK 5 /* max num of rctl/type masks allowed per
ring */
-#define LPFC_MAX_RING 4 /* max num of SLI rings used by driver */
+#define LPFC_SLI3_MAX_RING 4 /* Max num of SLI3 rings used by driver.
+ For SLI4, an additional ring for each
+ FCP WQ will be allocated. */
struct lpfc_sli_ring;
@@ -158,6 +160,24 @@ struct lpfc_sli_ring_stat {
uint64_t iocb_rsp_full; /* IOCB rsp ring full */
};
+struct lpfc_sli3_ring {
+ uint32_t local_getidx; /* last available cmd index (from cmdGetInx) */
+ uint32_t next_cmdidx; /* next_cmd index */
+ uint32_t rspidx; /* current index in response ring */
+ uint32_t cmdidx; /* current index in command ring */
+ uint16_t numCiocb; /* number of command iocb's per ring */
+ uint16_t numRiocb; /* number of rsp iocb's per ring */
+ uint16_t sizeCiocb; /* Size of command iocb's in this ring */
+ uint16_t sizeRiocb; /* Size of response iocb's in this ring */
+ uint32_t *cmdringaddr; /* virtual address for cmd rings */
+ uint32_t *rspringaddr; /* virtual address for rsp rings */
+};
+
+struct lpfc_sli4_ring {
+ struct lpfc_queue *wqp; /* Pointer to associated WQ */
+};
+
+
/* Structure used to hold SLI ring information */
struct lpfc_sli_ring {
uint16_t flag; /* ring flags */
@@ -166,16 +186,10 @@ struct lpfc_sli_ring {
#define LPFC_STOP_IOCB_EVENT 0x020 /* Stop processing IOCB cmds event */
uint16_t abtsiotag; /* tracks next iotag to use for ABTS */
- uint32_t local_getidx; /* last available cmd index (from cmdGetInx) */
- uint32_t next_cmdidx; /* next_cmd index */
- uint32_t rspidx; /* current index in response ring */
- uint32_t cmdidx; /* current index in command ring */
uint8_t rsvd;
uint8_t ringno; /* ring number */
- uint16_t numCiocb; /* number of command iocb's per ring */
- uint16_t numRiocb; /* number of rsp iocb's per ring */
- uint16_t sizeCiocb; /* Size of command iocb's in this ring */
- uint16_t sizeRiocb; /* Size of response iocb's in this ring */
+
+ spinlock_t ring_lock; /* lock for issuing commands */
uint32_t fast_iotag; /* max fastlookup based iotag */
uint32_t iotag_ctr; /* keeps track of the next iotag to use */
@@ -186,8 +200,6 @@ struct lpfc_sli_ring {
struct list_head txcmplq;
uint16_t txcmplq_cnt; /* current length of queue */
uint16_t txcmplq_max; /* max length */
- uint32_t *cmdringaddr; /* virtual address for cmd rings */
- uint32_t *rspringaddr; /* virtual address for rsp rings */
uint32_t missbufcnt; /* keep track of buffers to post */
struct list_head postbufq;
uint16_t postbufq_cnt; /* current length of queue */
@@ -207,6 +219,10 @@ struct lpfc_sli_ring {
/* cmd ring available */
void (*lpfc_sli_cmd_available) (struct lpfc_hba *,
struct lpfc_sli_ring *);
+ union {
+ struct lpfc_sli3_ring sli3;
+ struct lpfc_sli4_ring sli4;
+ } sli;
};
/* Structure used for configuring rings to a specific profile or rctl / type */
@@ -239,6 +255,8 @@ struct lpfc_sli_stat {
uint64_t mbox_stat_err; /* Mbox cmds completed status error */
uint64_t mbox_cmd; /* Mailbox commands issued */
uint64_t sli_intr; /* Count of Host Attention interrupts */
+ uint64_t sli_prev_intr; /* Previous cnt of Host Attention interrupts */
+ uint64_t sli_ips; /* Host Attention interrupts per sec */
uint32_t err_attn_event; /* Error Attn event counters */
uint32_t link_event; /* Link event counters */
uint32_t mbox_event; /* Mailbox event counters */
@@ -270,7 +288,7 @@ struct lpfc_sli {
#define LPFC_MENLO_MAINT 0x1000 /* need for menl fw download */
#define LPFC_SLI_ASYNC_MBX_BLK 0x2000 /* Async mailbox is blocked */
- struct lpfc_sli_ring ring[LPFC_MAX_RING];
+ struct lpfc_sli_ring *ring;
int fcp_ring; /* ring used for FCP initiator commands */
int next_ring;
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