diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.h')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.h | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index 2626f58c0747..2d64a2bab36a 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -158,6 +158,24 @@ 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 { + void *wqp; /* Pointer to associated WQ */ +}; + + /* Structure used to hold SLI ring information */ struct lpfc_sli_ring { uint16_t flag; /* ring flags */ @@ -166,16 +184,10 @@ 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 +198,6 @@ 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 +217,10 @@ 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 */ |