diff options
Diffstat (limited to 'drivers/scsi/esas2r/esas2r_io.c')
-rw-r--r-- | drivers/scsi/esas2r/esas2r_io.c | 73 |
1 files changed, 35 insertions, 38 deletions
diff --git a/drivers/scsi/esas2r/esas2r_io.c b/drivers/scsi/esas2r/esas2r_io.c index 324e2626a08b..a8df916cd57a 100644 --- a/drivers/scsi/esas2r/esas2r_io.c +++ b/drivers/scsi/esas2r/esas2r_io.c @@ -49,7 +49,8 @@ void esas2r_start_request(struct esas2r_adapter *a, struct esas2r_request *rq) struct esas2r_request *startrq = rq; unsigned long flags; - if (unlikely(a->flags & (AF_DEGRADED_MODE | AF_POWER_DOWN))) { + if (unlikely(test_bit(AF_DEGRADED_MODE, &a->flags) || + test_bit(AF_POWER_DOWN, &a->flags))) { if (rq->vrq->scsi.function == VDA_FUNC_SCSI) rq->req_stat = RS_SEL2; else @@ -69,8 +70,8 @@ void esas2r_start_request(struct esas2r_adapter *a, struct esas2r_request *rq) * Note that if AF_DISC_PENDING is set than this will * go on the defer queue. */ - if (unlikely(t->target_state != TS_PRESENT - && !(a->flags & AF_DISC_PENDING))) + if (unlikely(t->target_state != TS_PRESENT && + !test_bit(AF_DISC_PENDING, &a->flags))) rq->req_stat = RS_SEL; } } @@ -91,8 +92,9 @@ void esas2r_start_request(struct esas2r_adapter *a, struct esas2r_request *rq) spin_lock_irqsave(&a->queue_lock, flags); if (likely(list_empty(&a->defer_list) && - !(a->flags & - (AF_CHPRST_PENDING | AF_FLASHING | AF_DISC_PENDING)))) + !test_bit(AF_CHPRST_PENDING, &a->flags) && + !test_bit(AF_FLASHING, &a->flags) && + !test_bit(AF_DISC_PENDING, &a->flags))) esas2r_local_start_request(a, startrq); else list_add_tail(&startrq->req_list, &a->defer_list); @@ -124,7 +126,7 @@ void esas2r_local_start_request(struct esas2r_adapter *a, if (unlikely(rq->vrq->scsi.function == VDA_FUNC_FLASH && rq->vrq->flash.sub_func == VDA_FLASH_COMMIT)) - esas2r_lock_set_flags(&a->flags, AF_FLASHING); + set_bit(AF_FLASHING, &a->flags); list_add_tail(&rq->req_list, &a->active_list); esas2r_start_vda_request(a, rq); @@ -147,11 +149,10 @@ void esas2r_start_vda_request(struct esas2r_adapter *a, if (a->last_write >= a->list_size) { a->last_write = 0; /* update the toggle bit */ - if (a->flags & AF_COMM_LIST_TOGGLE) - esas2r_lock_clear_flags(&a->flags, - AF_COMM_LIST_TOGGLE); + if (test_bit(AF_COMM_LIST_TOGGLE, &a->flags)) + clear_bit(AF_COMM_LIST_TOGGLE, &a->flags); else - esas2r_lock_set_flags(&a->flags, AF_COMM_LIST_TOGGLE); + set_bit(AF_COMM_LIST_TOGGLE, &a->flags); } element = @@ -169,7 +170,7 @@ void esas2r_start_vda_request(struct esas2r_adapter *a, /* Update the write pointer */ dw = a->last_write; - if (a->flags & AF_COMM_LIST_TOGGLE) + if (test_bit(AF_COMM_LIST_TOGGLE, &a->flags)) dw |= MU_ILW_TOGGLE; esas2r_trace("rq->vrq->scsi.handle:%x", rq->vrq->scsi.handle); @@ -687,18 +688,14 @@ static void esas2r_handle_pending_reset(struct esas2r_adapter *a, u32 currtime) esas2r_write_register_dword(a, MU_DOORBELL_OUT, doorbell); if (ver == DRBL_FW_VER_0) { - esas2r_lock_set_flags(&a->flags, - AF_CHPRST_DETECTED); - esas2r_lock_set_flags(&a->flags, - AF_LEGACY_SGE_MODE); + set_bit(AF_CHPRST_DETECTED, &a->flags); + set_bit(AF_LEGACY_SGE_MODE, &a->flags); a->max_vdareq_size = 128; a->build_sgl = esas2r_build_sg_list_sge; } else if (ver == DRBL_FW_VER_1) { - esas2r_lock_set_flags(&a->flags, - AF_CHPRST_DETECTED); - esas2r_lock_clear_flags(&a->flags, - AF_LEGACY_SGE_MODE); + set_bit(AF_CHPRST_DETECTED, &a->flags); + clear_bit(AF_LEGACY_SGE_MODE, &a->flags); a->max_vdareq_size = 1024; a->build_sgl = esas2r_build_sg_list_prd; @@ -719,28 +716,27 @@ void esas2r_timer_tick(struct esas2r_adapter *a) a->last_tick_time = currtime; /* count down the uptime */ - if (a->chip_uptime - && !(a->flags & (AF_CHPRST_PENDING | AF_DISC_PENDING))) { + if (a->chip_uptime && + !test_bit(AF_CHPRST_PENDING, &a->flags) && + !test_bit(AF_DISC_PENDING, &a->flags)) { if (deltatime >= a->chip_uptime) a->chip_uptime = 0; else a->chip_uptime -= deltatime; } - if (a->flags & AF_CHPRST_PENDING) { - if (!(a->flags & AF_CHPRST_NEEDED) - && !(a->flags & AF_CHPRST_DETECTED)) + if (test_bit(AF_CHPRST_PENDING, &a->flags)) { + if (!test_bit(AF_CHPRST_NEEDED, &a->flags) && + !test_bit(AF_CHPRST_DETECTED, &a->flags)) esas2r_handle_pending_reset(a, currtime); } else { - if (a->flags & AF_DISC_PENDING) + if (test_bit(AF_DISC_PENDING, &a->flags)) esas2r_disc_check_complete(a); - - if (a->flags & AF_HEARTBEAT_ENB) { - if (a->flags & AF_HEARTBEAT) { + if (test_bit(AF_HEARTBEAT_ENB, &a->flags)) { + if (test_bit(AF_HEARTBEAT, &a->flags)) { if ((currtime - a->heartbeat_time) >= ESAS2R_HEARTBEAT_TIME) { - esas2r_lock_clear_flags(&a->flags, - AF_HEARTBEAT); + clear_bit(AF_HEARTBEAT, &a->flags); esas2r_hdebug("heartbeat failed"); esas2r_log(ESAS2R_LOG_CRIT, "heartbeat failed"); @@ -748,7 +744,7 @@ void esas2r_timer_tick(struct esas2r_adapter *a) esas2r_local_reset_adapter(a); } } else { - esas2r_lock_set_flags(&a->flags, AF_HEARTBEAT); + set_bit(AF_HEARTBEAT, &a->flags); a->heartbeat_time = currtime; esas2r_force_interrupt(a); } @@ -812,7 +808,7 @@ bool esas2r_send_task_mgmt(struct esas2r_adapter *a, rqaux->vrq->scsi.flags |= cpu_to_le16(task_mgt_func * LOBIT(FCP_CMND_TM_MASK)); - if (a->flags & AF_FLASHING) { + if (test_bit(AF_FLASHING, &a->flags)) { /* Assume success. if there are active requests, return busy */ rqaux->req_stat = RS_SUCCESS; @@ -831,7 +827,7 @@ bool esas2r_send_task_mgmt(struct esas2r_adapter *a, spin_unlock_irqrestore(&a->queue_lock, flags); - if (!(a->flags & AF_FLASHING)) + if (!test_bit(AF_FLASHING, &a->flags)) esas2r_start_request(a, rqaux); esas2r_comp_list_drain(a, &comp_list); @@ -848,11 +844,12 @@ void esas2r_reset_bus(struct esas2r_adapter *a) { esas2r_log(ESAS2R_LOG_INFO, "performing a bus reset"); - if (!(a->flags & AF_DEGRADED_MODE) - && !(a->flags & (AF_CHPRST_PENDING | AF_DISC_PENDING))) { - esas2r_lock_set_flags(&a->flags, AF_BUSRST_NEEDED); - esas2r_lock_set_flags(&a->flags, AF_BUSRST_PENDING); - esas2r_lock_set_flags(&a->flags, AF_OS_RESET); + if (!test_bit(AF_DEGRADED_MODE, &a->flags) && + !test_bit(AF_CHPRST_PENDING, &a->flags) && + !test_bit(AF_DISC_PENDING, &a->flags)) { + set_bit(AF_BUSRST_NEEDED, &a->flags); + set_bit(AF_BUSRST_PENDING, &a->flags); + set_bit(AF_OS_RESET, &a->flags); esas2r_schedule_tasklet(a); } |