From 304fe11bdc25b4c8a6c9551590d256f647158805 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:18:08 +0900 Subject: scsi: pm8001: Simplify pm8001_ccb_task_free() The task argument of the pm8001_ccb_task_free() function can be inferred from the ccb argument ccb_task field. So there is no need to have this argument. Likewise, the ccb_index argument is always equal to the ccb tag field and is not needed either. Remove both arguments and update all call sites. The pm8001_ccb_task_free_done() helper is also modified to match this change. Link: https://lore.kernel.org/r/20220220031810.738362-30-damien.lemoal@opensource.wdc.com Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_hwi.c | 42 ++++++++++++++++++---------------------- drivers/scsi/pm8001/pm8001_sas.c | 25 ++++++++++++------------ drivers/scsi/pm8001/pm8001_sas.h | 12 ++++++------ drivers/scsi/pm8001/pm80xx_hwi.c | 35 ++++++++++++++------------------- 4 files changed, 52 insertions(+), 62 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index eb6e09696b8b..1569aa483af5 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -1564,11 +1564,11 @@ void pm8001_work_fn(struct work_struct *work) spin_unlock_irqrestore(&t->task_state_lock, flags1); pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, pw->handler, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, ccb->ccb_tag); + pm8001_ccb_task_free(pm8001_ha, ccb); spin_unlock_irqrestore(&pm8001_ha->lock, flags); } else { spin_unlock_irqrestore(&t->task_state_lock, flags1); - pm8001_ccb_task_free(pm8001_ha, t, ccb, ccb->ccb_tag); + pm8001_ccb_task_free(pm8001_ha, ccb); mb();/* in order to force CPU ordering */ spin_unlock_irqrestore(&pm8001_ha->lock, flags); t->task_done(t); @@ -1697,8 +1697,7 @@ void pm8001_work_fn(struct work_struct *work) continue; } /*complete sas task and update to top layer */ - pm8001_ccb_task_free(pm8001_ha, task, ccb, - ccb->ccb_tag); + pm8001_ccb_task_free(pm8001_ha, ccb); ts->resp = SAS_TASK_COMPLETE; task->task_done(task); } else if (ccb->ccb_tag != PM8001_INVALID_TAG) { @@ -2084,10 +2083,10 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) spin_unlock_irqrestore(&t->task_state_lock, flags); pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, status, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); mb();/* in order to force CPU ordering */ t->task_done(t); } @@ -2251,10 +2250,10 @@ static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha, void *piomb) spin_unlock_irqrestore(&t->task_state_lock, flags); pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, event, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); mb();/* in order to force CPU ordering */ t->task_done(t); } @@ -2480,7 +2479,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS); ts->resp = SAS_TASK_UNDELIVERED; ts->stat = SAS_QUEUE_FULL; - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); return; } break; @@ -2496,7 +2495,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS); ts->resp = SAS_TASK_UNDELIVERED; ts->stat = SAS_QUEUE_FULL; - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); return; } break; @@ -2518,7 +2517,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY); ts->resp = SAS_TASK_UNDELIVERED; ts->stat = SAS_QUEUE_FULL; - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); return; } break; @@ -2589,7 +2588,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) IO_DS_NON_OPERATIONAL); ts->resp = SAS_TASK_UNDELIVERED; ts->stat = SAS_QUEUE_FULL; - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); return; } break; @@ -2609,7 +2608,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) IO_DS_IN_ERROR); ts->resp = SAS_TASK_UNDELIVERED; ts->stat = SAS_QUEUE_FULL; - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); return; } break; @@ -2639,10 +2638,10 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, status, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); } } @@ -2994,12 +2993,10 @@ mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) spin_unlock_irqrestore(&t->task_state_lock, flags); pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, status, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); - mb();/* in order to force CPU ordering */ - t->task_done(t); + pm8001_ccb_task_free_done(pm8001_ha, ccb); } } @@ -3649,7 +3646,7 @@ int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) t->task_state_flags &= ~SAS_TASK_STATE_PENDING; t->task_state_flags |= SAS_TASK_STATE_DONE; spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); mb(); if (pm8001_dev->id & NCQ_ABORT_ALL_FLAG) { @@ -4287,12 +4284,11 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha, "task 0x%p resp 0x%x stat 0x%x but aborted by upper layer\n", task, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, task, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); } else { spin_unlock_irqrestore(&task->task_state_lock, flags); - pm8001_ccb_task_free_done(pm8001_ha, task, - ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); return 0; } } diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index ecd5cca2bb57..ac9c40c95070 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -489,22 +489,21 @@ err_out: /** * pm8001_ccb_task_free - free the sg for ssp and smp command, free the ccb. * @pm8001_ha: our hba card information - * @ccb: the ccb which attached to ssp task - * @task: the task to be free. - * @ccb_idx: ccb index. + * @ccb: the ccb which attached to ssp task to free */ void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha, - struct sas_task *task, struct pm8001_ccb_info *ccb, u32 ccb_idx) + struct pm8001_ccb_info *ccb) { + struct sas_task *task = ccb->task; struct ata_queued_cmd *qc; struct pm8001_device *pm8001_dev; - if (!ccb->task) + if (!task) return; - if (!sas_protocol_ata(task->task_proto)) - if (ccb->n_elem) - dma_unmap_sg(pm8001_ha->dev, task->scatter, - task->num_scatter, task->data_dir); + + if (!sas_protocol_ata(task->task_proto) && ccb->n_elem) + dma_unmap_sg(pm8001_ha->dev, task->scatter, + task->num_scatter, task->data_dir); switch (task->task_proto) { case SAS_PROTOCOL_SMP: @@ -523,12 +522,12 @@ void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha, } if (sas_protocol_ata(task->task_proto)) { - // For SCSI/ATA commands uldd_task points to ata_queued_cmd + /* For SCSI/ATA commands uldd_task points to ata_queued_cmd */ qc = task->uldd_task; pm8001_dev = ccb->device; trace_pm80xx_request_complete(pm8001_ha->id, pm8001_dev ? pm8001_dev->attached_phy : PM8001_MAX_PHYS, - ccb_idx, 0 /* ctlr_opcode not known */, + ccb->ccb_tag, 0 /* ctlr_opcode not known */, qc ? qc->tf.command : 0, // ata opcode pm8001_dev ? atomic_read(&pm8001_dev->running_req) : -1); } @@ -844,11 +843,11 @@ void pm8001_open_reject_retry( & SAS_TASK_STATE_ABORTED))) { spin_unlock_irqrestore(&task->task_state_lock, flags1); - pm8001_ccb_task_free(pm8001_ha, task, ccb, ccb->ccb_tag); + pm8001_ccb_task_free(pm8001_ha, ccb); } else { spin_unlock_irqrestore(&task->task_state_lock, flags1); - pm8001_ccb_task_free(pm8001_ha, task, ccb, ccb->ccb_tag); + pm8001_ccb_task_free(pm8001_ha, ccb); mb();/* in order to force CPU ordering */ spin_unlock_irqrestore(&pm8001_ha->lock, flags); task->task_done(task); diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index 9f5d6abba785..6bbf118f61e7 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -637,7 +637,7 @@ int pm8001_tag_alloc(struct pm8001_hba_info *pm8001_ha, u32 *tag_out); void pm8001_tag_init(struct pm8001_hba_info *pm8001_ha); u32 pm8001_get_ncq_tag(struct sas_task *task, u32 *tag); void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha, - struct sas_task *task, struct pm8001_ccb_info *ccb, u32 ccb_idx); + struct pm8001_ccb_info *ccb); int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func, void *funcdata); void pm8001_scan_start(struct Scsi_Host *shost); @@ -780,12 +780,12 @@ static inline void pm8001_ccb_free(struct pm8001_hba_info *pm8001_ha, pm8001_tag_free(pm8001_ha, tag); } -static inline void -pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha, - struct sas_task *task, struct pm8001_ccb_info *ccb, - u32 ccb_idx) +static inline void pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha, + struct pm8001_ccb_info *ccb) { - pm8001_ccb_task_free(pm8001_ha, task, ccb, ccb_idx); + struct sas_task *task = ccb->task; + + pm8001_ccb_task_free(pm8001_ha, ccb); smp_mb(); /*in order to force CPU ordering*/ task->task_done(task); } diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index ce19aa361d26..b5e1aaa0fd58 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -2157,14 +2157,12 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, status, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); if (t->slow_task) complete(&t->slow_task->completion); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); - mb();/* in order to force CPU ordering */ - t->task_done(t); + pm8001_ccb_task_free_done(pm8001_ha, ccb); } } @@ -2340,12 +2338,10 @@ static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha, void *piomb) pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, event, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); - mb();/* in order to force CPU ordering */ - t->task_done(t); + pm8001_ccb_task_free_done(pm8001_ha, ccb); } } @@ -2579,7 +2575,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, ts->stat = SAS_QUEUE_FULL; spin_unlock_irqrestore(&circularQ->oq_lock, circularQ->lock_flags); - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); spin_lock_irqsave(&circularQ->oq_lock, circularQ->lock_flags); return; @@ -2599,7 +2595,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, ts->stat = SAS_QUEUE_FULL; spin_unlock_irqrestore(&circularQ->oq_lock, circularQ->lock_flags); - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); spin_lock_irqsave(&circularQ->oq_lock, circularQ->lock_flags); return; @@ -2627,7 +2623,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, ts->stat = SAS_QUEUE_FULL; spin_unlock_irqrestore(&circularQ->oq_lock, circularQ->lock_flags); - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); spin_lock_irqsave(&circularQ->oq_lock, circularQ->lock_flags); return; @@ -2702,7 +2698,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, ts->stat = SAS_QUEUE_FULL; spin_unlock_irqrestore(&circularQ->oq_lock, circularQ->lock_flags); - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); spin_lock_irqsave(&circularQ->oq_lock, circularQ->lock_flags); return; @@ -2726,7 +2722,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, ts->stat = SAS_QUEUE_FULL; spin_unlock_irqrestore(&circularQ->oq_lock, circularQ->lock_flags); - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); spin_lock_irqsave(&circularQ->oq_lock, circularQ->lock_flags); return; @@ -2760,14 +2756,14 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, status, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); if (t->slow_task) complete(&t->slow_task->completion); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); spin_unlock_irqrestore(&circularQ->oq_lock, circularQ->lock_flags); - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); spin_lock_irqsave(&circularQ->oq_lock, circularQ->lock_flags); } @@ -3171,10 +3167,10 @@ mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%xstat 0x%x but aborted by upper layer!\n", t, status, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); mb();/* in order to force CPU ordering */ t->task_done(t); } @@ -4702,13 +4698,12 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, "task 0x%p resp 0x%x stat 0x%x but aborted by upper layer\n", task, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, task, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); return 0; } else { spin_unlock_irqrestore(&task->task_state_lock, flags); - pm8001_ccb_task_free_done(pm8001_ha, task, - ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); atomic_dec(&pm8001_ha_dev->running_req); return 0; } -- cgit v1.2.3