diff options
Diffstat (limited to 'drivers/scsi/esas2r/esas2r.h')
-rw-r--r-- | drivers/scsi/esas2r/esas2r.h | 132 |
1 files changed, 61 insertions, 71 deletions
diff --git a/drivers/scsi/esas2r/esas2r.h b/drivers/scsi/esas2r/esas2r.h index 0838e265e0b..3fd305d6b67 100644 --- a/drivers/scsi/esas2r/esas2r.h +++ b/drivers/scsi/esas2r/esas2r.h @@ -799,47 +799,47 @@ struct esas2r_adapter { struct esas2r_target *targetdb_end; unsigned char *regs; unsigned char *data_window; - u32 volatile flags; - #define AF_PORT_CHANGE (u32)(0x00000001) - #define AF_CHPRST_NEEDED (u32)(0x00000004) - #define AF_CHPRST_PENDING (u32)(0x00000008) - #define AF_CHPRST_DETECTED (u32)(0x00000010) - #define AF_BUSRST_NEEDED (u32)(0x00000020) - #define AF_BUSRST_PENDING (u32)(0x00000040) - #define AF_BUSRST_DETECTED (u32)(0x00000080) - #define AF_DISABLED (u32)(0x00000100) - #define AF_FLASH_LOCK (u32)(0x00000200) - #define AF_OS_RESET (u32)(0x00002000) - #define AF_FLASHING (u32)(0x00004000) - #define AF_POWER_MGT (u32)(0x00008000) - #define AF_NVR_VALID (u32)(0x00010000) - #define AF_DEGRADED_MODE (u32)(0x00020000) - #define AF_DISC_PENDING (u32)(0x00040000) - #define AF_TASKLET_SCHEDULED (u32)(0x00080000) - #define AF_HEARTBEAT (u32)(0x00200000) - #define AF_HEARTBEAT_ENB (u32)(0x00400000) - #define AF_NOT_PRESENT (u32)(0x00800000) - #define AF_CHPRST_STARTED (u32)(0x01000000) - #define AF_FIRST_INIT (u32)(0x02000000) - #define AF_POWER_DOWN (u32)(0x04000000) - #define AF_DISC_IN_PROG (u32)(0x08000000) - #define AF_COMM_LIST_TOGGLE (u32)(0x10000000) - #define AF_LEGACY_SGE_MODE (u32)(0x20000000) - #define AF_DISC_POLLED (u32)(0x40000000) - u32 volatile flags2; - #define AF2_SERIAL_FLASH (u32)(0x00000001) - #define AF2_DEV_SCAN (u32)(0x00000002) - #define AF2_DEV_CNT_OK (u32)(0x00000004) - #define AF2_COREDUMP_AVAIL (u32)(0x00000008) - #define AF2_COREDUMP_SAVED (u32)(0x00000010) - #define AF2_VDA_POWER_DOWN (u32)(0x00000100) - #define AF2_THUNDERLINK (u32)(0x00000200) - #define AF2_THUNDERBOLT (u32)(0x00000400) - #define AF2_INIT_DONE (u32)(0x00000800) - #define AF2_INT_PENDING (u32)(0x00001000) - #define AF2_TIMER_TICK (u32)(0x00002000) - #define AF2_IRQ_CLAIMED (u32)(0x00004000) - #define AF2_MSI_ENABLED (u32)(0x00008000) + long flags; + #define AF_PORT_CHANGE 0 + #define AF_CHPRST_NEEDED 1 + #define AF_CHPRST_PENDING 2 + #define AF_CHPRST_DETECTED 3 + #define AF_BUSRST_NEEDED 4 + #define AF_BUSRST_PENDING 5 + #define AF_BUSRST_DETECTED 6 + #define AF_DISABLED 7 + #define AF_FLASH_LOCK 8 + #define AF_OS_RESET 9 + #define AF_FLASHING 10 + #define AF_POWER_MGT 11 + #define AF_NVR_VALID 12 + #define AF_DEGRADED_MODE 13 + #define AF_DISC_PENDING 14 + #define AF_TASKLET_SCHEDULED 15 + #define AF_HEARTBEAT 16 + #define AF_HEARTBEAT_ENB 17 + #define AF_NOT_PRESENT 18 + #define AF_CHPRST_STARTED 19 + #define AF_FIRST_INIT 20 + #define AF_POWER_DOWN 21 + #define AF_DISC_IN_PROG 22 + #define AF_COMM_LIST_TOGGLE 23 + #define AF_LEGACY_SGE_MODE 24 + #define AF_DISC_POLLED 25 + long flags2; + #define AF2_SERIAL_FLASH 0 + #define AF2_DEV_SCAN 1 + #define AF2_DEV_CNT_OK 2 + #define AF2_COREDUMP_AVAIL 3 + #define AF2_COREDUMP_SAVED 4 + #define AF2_VDA_POWER_DOWN 5 + #define AF2_THUNDERLINK 6 + #define AF2_THUNDERBOLT 7 + #define AF2_INIT_DONE 8 + #define AF2_INT_PENDING 9 + #define AF2_TIMER_TICK 10 + #define AF2_IRQ_CLAIMED 11 + #define AF2_MSI_ENABLED 12 atomic_t disable_cnt; atomic_t dis_ints_cnt; u32 int_stat; @@ -1150,16 +1150,6 @@ void esas2r_queue_fw_event(struct esas2r_adapter *a, int data_sz); /* Inline functions */ -static inline u32 esas2r_lock_set_flags(volatile u32 *flags, u32 bits) -{ - return test_and_set_bit(ilog2(bits), (volatile unsigned long *)flags); -} - -static inline u32 esas2r_lock_clear_flags(volatile u32 *flags, u32 bits) -{ - return test_and_clear_bit(ilog2(bits), - (volatile unsigned long *)flags); -} /* Allocate a chip scatter/gather list entry */ static inline struct esas2r_mem_desc *esas2r_alloc_sgl(struct esas2r_adapter *a) @@ -1217,7 +1207,6 @@ static inline void esas2r_rq_init_request(struct esas2r_request *rq, struct esas2r_adapter *a) { union atto_vda_req *vrq = rq->vrq; - u32 handle; INIT_LIST_HEAD(&rq->sg_table_head); rq->data_buf = (void *)(vrq + 1); @@ -1253,11 +1242,9 @@ static inline void esas2r_rq_init_request(struct esas2r_request *rq, /* * add a reference number to the handle to make it unique (until it - * wraps of course) while preserving the upper word + * wraps of course) while preserving the least significant word */ - - handle = be32_to_cpu(vrq->scsi.handle) & 0xFFFF0000; - vrq->scsi.handle = cpu_to_be32(handle + a->cmd_ref_no++); + vrq->scsi.handle = (a->cmd_ref_no++ << 16) | (u16)vrq->scsi.handle; /* * the following formats a SCSI request. the caller can override as @@ -1303,10 +1290,13 @@ static inline void esas2r_rq_destroy_request(struct esas2r_request *rq, static inline bool esas2r_is_tasklet_pending(struct esas2r_adapter *a) { - return (a->flags & (AF_BUSRST_NEEDED | AF_BUSRST_DETECTED - | AF_CHPRST_NEEDED | AF_CHPRST_DETECTED - | AF_PORT_CHANGE)) - ? true : false; + + return test_bit(AF_BUSRST_NEEDED, &a->flags) || + test_bit(AF_BUSRST_DETECTED, &a->flags) || + test_bit(AF_CHPRST_NEEDED, &a->flags) || + test_bit(AF_CHPRST_DETECTED, &a->flags) || + test_bit(AF_PORT_CHANGE, &a->flags); + } /* @@ -1345,24 +1335,24 @@ static inline void esas2r_enable_chip_interrupts(struct esas2r_adapter *a) static inline void esas2r_schedule_tasklet(struct esas2r_adapter *a) { /* make sure we don't schedule twice */ - if (!(esas2r_lock_set_flags(&a->flags, AF_TASKLET_SCHEDULED) & - ilog2(AF_TASKLET_SCHEDULED))) + if (!test_and_set_bit(AF_TASKLET_SCHEDULED, &a->flags)) tasklet_hi_schedule(&a->tasklet); } static inline void esas2r_enable_heartbeat(struct esas2r_adapter *a) { - if (!(a->flags & (AF_DEGRADED_MODE | AF_CHPRST_PENDING)) - && (a->nvram->options2 & SASNVR2_HEARTBEAT)) - esas2r_lock_set_flags(&a->flags, AF_HEARTBEAT_ENB); + if (!test_bit(AF_DEGRADED_MODE, &a->flags) && + !test_bit(AF_CHPRST_PENDING, &a->flags) && + (a->nvram->options2 & SASNVR2_HEARTBEAT)) + set_bit(AF_HEARTBEAT_ENB, &a->flags); else - esas2r_lock_clear_flags(&a->flags, AF_HEARTBEAT_ENB); + clear_bit(AF_HEARTBEAT_ENB, &a->flags); } static inline void esas2r_disable_heartbeat(struct esas2r_adapter *a) { - esas2r_lock_clear_flags(&a->flags, AF_HEARTBEAT_ENB); - esas2r_lock_clear_flags(&a->flags, AF_HEARTBEAT); + clear_bit(AF_HEARTBEAT_ENB, &a->flags); + clear_bit(AF_HEARTBEAT, &a->flags); } /* Set the initial state for resetting the adapter on the next pass through @@ -1372,9 +1362,9 @@ static inline void esas2r_local_reset_adapter(struct esas2r_adapter *a) { esas2r_disable_heartbeat(a); - esas2r_lock_set_flags(&a->flags, AF_CHPRST_NEEDED); - esas2r_lock_set_flags(&a->flags, AF_CHPRST_PENDING); - esas2r_lock_set_flags(&a->flags, AF_DISC_PENDING); + set_bit(AF_CHPRST_NEEDED, &a->flags); + set_bit(AF_CHPRST_PENDING, &a->flags); + set_bit(AF_DISC_PENDING, &a->flags); } /* See if an interrupt is pending on the adapter. */ |