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path: root/drivers/scsi/esas2r/esas2r.h
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Diffstat (limited to 'drivers/scsi/esas2r/esas2r.h')
-rw-r--r--drivers/scsi/esas2r/esas2r.h132
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. */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-07 14:29:13 +0000