diff options
Diffstat (limited to 'drivers/scsi/be2iscsi/be.h')
| -rw-r--r-- | drivers/scsi/be2iscsi/be.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/scsi/be2iscsi/be.h b/drivers/scsi/be2iscsi/be.h index 777e7c0bbb4..860f527d8f2 100644 --- a/drivers/scsi/be2iscsi/be.h +++ b/drivers/scsi/be2iscsi/be.h @@ -83,9 +83,20 @@ static inline void queue_tail_inc(struct be_queue_info *q) /*ISCSI */ +struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */ + bool enable; + u32 min_eqd; /* in usecs */ + u32 max_eqd; /* in usecs */ + u32 prev_eqd; /* in usecs */ + u32 et_eqd; /* configured val when aic is off */ + ulong jiffs; + u64 eq_prev; /* Used to calculate eqe */ +}; + struct be_eq_obj { bool todo_mcc_cq; bool todo_cq; + u32 cq_count; struct be_queue_info q; struct beiscsi_hba *phba; struct be_queue_info *cq; @@ -98,6 +109,14 @@ struct be_mcc_obj { struct be_queue_info cq; }; +struct beiscsi_mcc_tag_state { +#define MCC_TAG_STATE_COMPLETED 0x00 +#define MCC_TAG_STATE_RUNNING 0x01 +#define MCC_TAG_STATE_TIMEOUT 0x02 + uint8_t tag_state; + struct be_dma_mem tag_mem_state; +}; + struct be_ctrl_info { u8 __iomem *csr; u8 __iomem *db; /* Door Bell */ @@ -122,13 +141,16 @@ struct be_ctrl_info { unsigned short mcc_alloc_index; unsigned short mcc_free_index; unsigned int mcc_tag_available; + + struct beiscsi_mcc_tag_state ptag_state[MAX_MCC_CMD + 1]; }; #include "be_cmds.h" #define PAGE_SHIFT_4K 12 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K) -#define mcc_timeout 120000 /* 5s timeout */ +#define mcc_timeout 120000 /* 12s timeout */ +#define BEISCSI_LOGOUT_SYNC_DELAY 250 /* Returns number of pages spanned by the data starting at the given addr */ #define PAGES_4K_SPANNED(_address, size) \ |