diff options
Diffstat (limited to 'drivers/scsi/be2iscsi/be.h')
| -rw-r--r-- | drivers/scsi/be2iscsi/be.h | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/scsi/be2iscsi/be.h b/drivers/scsi/be2iscsi/be.h index a41c6432f444..ee5ace873535 100644 --- a/drivers/scsi/be2iscsi/be.h +++ b/drivers/scsi/be2iscsi/be.h @@ -42,7 +42,7 @@ struct be_queue_info { u16 id; u16 tail, head; bool created; - atomic_t used; /* Number of valid elements in the queue */ + u16 used; /* Number of valid elements in the queue */ }; static inline u32 MODULO(u16 val, u16 limit) @@ -110,10 +110,9 @@ struct be_mcc_obj { }; 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; + unsigned long tag_state; +#define MCC_TAG_STATE_RUNNING 1 +#define MCC_TAG_STATE_TIMEOUT 2 struct be_dma_mem tag_mem_state; }; @@ -124,7 +123,7 @@ struct be_ctrl_info { struct pci_dev *pdev; /* Mbox used for cmd request/response */ - spinlock_t mbox_lock; /* For serializing mbox cmds to BE card */ + struct mutex mbox_lock; /* For serializing mbox cmds to BE card */ struct be_dma_mem mbox_mem; /* Mbox mem is adjusted to align to 16 bytes. The allocated addr * is stored for freeing purpose */ @@ -133,11 +132,10 @@ struct be_ctrl_info { /* MCC Rings */ struct be_mcc_obj mcc_obj; spinlock_t mcc_lock; /* For serializing mcc cmds to BE card */ - spinlock_t mcc_cq_lock; wait_queue_head_t mcc_wait[MAX_MCC_CMD + 1]; unsigned int mcc_tag[MAX_MCC_CMD]; - unsigned int mcc_numtag[MAX_MCC_CMD + 1]; + unsigned int mcc_tag_status[MAX_MCC_CMD + 1]; unsigned short mcc_alloc_index; unsigned short mcc_free_index; unsigned int mcc_tag_available; @@ -147,6 +145,12 @@ struct be_ctrl_info { #include "be_cmds.h" +/* WRB index mask for MCC_Q_LEN queue entries */ +#define MCC_Q_WRB_IDX_MASK CQE_STATUS_WRB_MASK +#define MCC_Q_WRB_IDX_SHIFT CQE_STATUS_WRB_SHIFT +/* TAG is from 1...MAX_MCC_CMD, MASK includes MAX_MCC_CMD */ +#define MCC_Q_CMD_TAG_MASK ((MAX_MCC_CMD << 1) - 1) + #define PAGE_SHIFT_4K 12 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K) #define mcc_timeout 120000 /* 12s timeout */ |