summaryrefslogtreecommitdiff
path: root/drivers/scsi
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/be2iscsi/be_main.c206
-rw-r--r--drivers/scsi/ipr.c15
2 files changed, 68 insertions, 153 deletions
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 9be818f..0d82229 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -898,7 +898,6 @@ static irqreturn_t be_isr_msix(int irq, void *dev_id)
struct be_queue_info *cq;
unsigned int num_eq_processed;
struct be_eq_obj *pbe_eq;
- unsigned long flags;
pbe_eq = dev_id;
eq = &pbe_eq->q;
@@ -907,31 +906,15 @@ static irqreturn_t be_isr_msix(int irq, void *dev_id)
phba = pbe_eq->phba;
num_eq_processed = 0;
- if (blk_iopoll_enabled) {
- while (eqe->dw[offsetof(struct amap_eq_entry, valid) / 32]
- & EQE_VALID_MASK) {
- if (!blk_iopoll_sched_prep(&pbe_eq->iopoll))
- blk_iopoll_sched(&pbe_eq->iopoll);
-
- AMAP_SET_BITS(struct amap_eq_entry, valid, eqe, 0);
- queue_tail_inc(eq);
- eqe = queue_tail_node(eq);
- num_eq_processed++;
- }
- } else {
- while (eqe->dw[offsetof(struct amap_eq_entry, valid) / 32]
- & EQE_VALID_MASK) {
- spin_lock_irqsave(&phba->isr_lock, flags);
- pbe_eq->todo_cq = true;
- spin_unlock_irqrestore(&phba->isr_lock, flags);
- AMAP_SET_BITS(struct amap_eq_entry, valid, eqe, 0);
- queue_tail_inc(eq);
- eqe = queue_tail_node(eq);
- num_eq_processed++;
- }
+ while (eqe->dw[offsetof(struct amap_eq_entry, valid) / 32]
+ & EQE_VALID_MASK) {
+ if (!blk_iopoll_sched_prep(&pbe_eq->iopoll))
+ blk_iopoll_sched(&pbe_eq->iopoll);
- if (pbe_eq->todo_cq)
- queue_work(phba->wq, &pbe_eq->work_cqs);
+ AMAP_SET_BITS(struct amap_eq_entry, valid, eqe, 0);
+ queue_tail_inc(eq);
+ eqe = queue_tail_node(eq);
+ num_eq_processed++;
}
if (num_eq_processed)
@@ -952,7 +935,6 @@ static irqreturn_t be_isr(int irq, void *dev_id)
struct hwi_context_memory *phwi_context;
struct be_eq_entry *eqe = NULL;
struct be_queue_info *eq;
- struct be_queue_info *cq;
struct be_queue_info *mcc;
unsigned long flags, index;
unsigned int num_mcceq_processed, num_ioeq_processed;
@@ -978,72 +960,40 @@ static irqreturn_t be_isr(int irq, void *dev_id)
num_ioeq_processed = 0;
num_mcceq_processed = 0;
- if (blk_iopoll_enabled) {
- while (eqe->dw[offsetof(struct amap_eq_entry, valid) / 32]
- & EQE_VALID_MASK) {
- if (((eqe->dw[offsetof(struct amap_eq_entry,
- resource_id) / 32] &
- EQE_RESID_MASK) >> 16) == mcc->id) {
- spin_lock_irqsave(&phba->isr_lock, flags);
- pbe_eq->todo_mcc_cq = true;
- spin_unlock_irqrestore(&phba->isr_lock, flags);
- num_mcceq_processed++;
- } else {
- if (!blk_iopoll_sched_prep(&pbe_eq->iopoll))
- blk_iopoll_sched(&pbe_eq->iopoll);
- num_ioeq_processed++;
- }
- AMAP_SET_BITS(struct amap_eq_entry, valid, eqe, 0);
- queue_tail_inc(eq);
- eqe = queue_tail_node(eq);
- }
- if (num_ioeq_processed || num_mcceq_processed) {
- if (pbe_eq->todo_mcc_cq)
- queue_work(phba->wq, &pbe_eq->work_cqs);
-
- if ((num_mcceq_processed) && (!num_ioeq_processed))
- hwi_ring_eq_db(phba, eq->id, 0,
- (num_ioeq_processed +
- num_mcceq_processed) , 1, 1);
- else
- hwi_ring_eq_db(phba, eq->id, 0,
- (num_ioeq_processed +
- num_mcceq_processed), 0, 1);
-
- return IRQ_HANDLED;
- } else
- return IRQ_NONE;
- } else {
- cq = &phwi_context->be_cq[0];
- while (eqe->dw[offsetof(struct amap_eq_entry, valid) / 32]
- & EQE_VALID_MASK) {
-
- if (((eqe->dw[offsetof(struct amap_eq_entry,
- resource_id) / 32] &
- EQE_RESID_MASK) >> 16) != cq->id) {
- spin_lock_irqsave(&phba->isr_lock, flags);
- pbe_eq->todo_mcc_cq = true;
- spin_unlock_irqrestore(&phba->isr_lock, flags);
- } else {
- spin_lock_irqsave(&phba->isr_lock, flags);
- pbe_eq->todo_cq = true;
- spin_unlock_irqrestore(&phba->isr_lock, flags);
- }
- AMAP_SET_BITS(struct amap_eq_entry, valid, eqe, 0);
- queue_tail_inc(eq);
- eqe = queue_tail_node(eq);
+ while (eqe->dw[offsetof(struct amap_eq_entry, valid) / 32]
+ & EQE_VALID_MASK) {
+ if (((eqe->dw[offsetof(struct amap_eq_entry,
+ resource_id) / 32] &
+ EQE_RESID_MASK) >> 16) == mcc->id) {
+ spin_lock_irqsave(&phba->isr_lock, flags);
+ pbe_eq->todo_mcc_cq = true;
+ spin_unlock_irqrestore(&phba->isr_lock, flags);
+ num_mcceq_processed++;
+ } else {
+ if (!blk_iopoll_sched_prep(&pbe_eq->iopoll))
+ blk_iopoll_sched(&pbe_eq->iopoll);
num_ioeq_processed++;
}
- if (pbe_eq->todo_cq || pbe_eq->todo_mcc_cq)
+ AMAP_SET_BITS(struct amap_eq_entry, valid, eqe, 0);
+ queue_tail_inc(eq);
+ eqe = queue_tail_node(eq);
+ }
+ if (num_ioeq_processed || num_mcceq_processed) {
+ if (pbe_eq->todo_mcc_cq)
queue_work(phba->wq, &pbe_eq->work_cqs);
- if (num_ioeq_processed) {
+ if ((num_mcceq_processed) && (!num_ioeq_processed))
hwi_ring_eq_db(phba, eq->id, 0,
- num_ioeq_processed, 1, 1);
- return IRQ_HANDLED;
- } else
- return IRQ_NONE;
- }
+ (num_ioeq_processed +
+ num_mcceq_processed) , 1, 1);
+ else
+ hwi_ring_eq_db(phba, eq->id, 0,
+ (num_ioeq_processed +
+ num_mcceq_processed), 0, 1);
+
+ return IRQ_HANDLED;
+ } else
+ return IRQ_NONE;
}
static int beiscsi_init_irqs(struct beiscsi_hba *phba)
@@ -5263,11 +5213,10 @@ static void beiscsi_quiesce(struct beiscsi_hba *phba,
}
pci_disable_msix(phba->pcidev);
- if (blk_iopoll_enabled)
- for (i = 0; i < phba->num_cpus; i++) {
- pbe_eq = &phwi_context->be_eq[i];
- blk_iopoll_disable(&pbe_eq->iopoll);
- }
+ for (i = 0; i < phba->num_cpus; i++) {
+ pbe_eq = &phwi_context->be_eq[i];
+ blk_iopoll_disable(&pbe_eq->iopoll);
+ }
if (unload_state == BEISCSI_CLEAN_UNLOAD) {
destroy_workqueue(phba->wq);
@@ -5478,32 +5427,18 @@ static void beiscsi_eeh_resume(struct pci_dev *pdev)
phwi_ctrlr = phba->phwi_ctrlr;
phwi_context = phwi_ctrlr->phwi_ctxt;
- if (blk_iopoll_enabled) {
- for (i = 0; i < phba->num_cpus; i++) {
- pbe_eq = &phwi_context->be_eq[i];
- blk_iopoll_init(&pbe_eq->iopoll, be_iopoll_budget,
- be_iopoll);
- blk_iopoll_enable(&pbe_eq->iopoll);
- }
-
- i = (phba->msix_enabled) ? i : 0;
- /* Work item for MCC handling */
+ for (i = 0; i < phba->num_cpus; i++) {
pbe_eq = &phwi_context->be_eq[i];
- INIT_WORK(&pbe_eq->work_cqs, beiscsi_process_all_cqs);
- } else {
- if (phba->msix_enabled) {
- for (i = 0; i <= phba->num_cpus; i++) {
- pbe_eq = &phwi_context->be_eq[i];
- INIT_WORK(&pbe_eq->work_cqs,
- beiscsi_process_all_cqs);
- }
- } else {
- pbe_eq = &phwi_context->be_eq[0];
- INIT_WORK(&pbe_eq->work_cqs,
- beiscsi_process_all_cqs);
- }
+ blk_iopoll_init(&pbe_eq->iopoll, be_iopoll_budget,
+ be_iopoll);
+ blk_iopoll_enable(&pbe_eq->iopoll);
}
+ i = (phba->msix_enabled) ? i : 0;
+ /* Work item for MCC handling */
+ pbe_eq = &phwi_context->be_eq[i];
+ INIT_WORK(&pbe_eq->work_cqs, beiscsi_process_all_cqs);
+
ret = beiscsi_init_irqs(phba);
if (ret < 0) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
@@ -5665,32 +5600,18 @@ static int beiscsi_dev_probe(struct pci_dev *pcidev,
phwi_ctrlr = phba->phwi_ctrlr;
phwi_context = phwi_ctrlr->phwi_ctxt;
- if (blk_iopoll_enabled) {
- for (i = 0; i < phba->num_cpus; i++) {
- pbe_eq = &phwi_context->be_eq[i];
- blk_iopoll_init(&pbe_eq->iopoll, be_iopoll_budget,
- be_iopoll);
- blk_iopoll_enable(&pbe_eq->iopoll);
- }
-
- i = (phba->msix_enabled) ? i : 0;
- /* Work item for MCC handling */
+ for (i = 0; i < phba->num_cpus; i++) {
pbe_eq = &phwi_context->be_eq[i];
- INIT_WORK(&pbe_eq->work_cqs, beiscsi_process_all_cqs);
- } else {
- if (phba->msix_enabled) {
- for (i = 0; i <= phba->num_cpus; i++) {
- pbe_eq = &phwi_context->be_eq[i];
- INIT_WORK(&pbe_eq->work_cqs,
- beiscsi_process_all_cqs);
- }
- } else {
- pbe_eq = &phwi_context->be_eq[0];
- INIT_WORK(&pbe_eq->work_cqs,
- beiscsi_process_all_cqs);
- }
+ blk_iopoll_init(&pbe_eq->iopoll, be_iopoll_budget,
+ be_iopoll);
+ blk_iopoll_enable(&pbe_eq->iopoll);
}
+ i = (phba->msix_enabled) ? i : 0;
+ /* Work item for MCC handling */
+ pbe_eq = &phwi_context->be_eq[i];
+ INIT_WORK(&pbe_eq->work_cqs, beiscsi_process_all_cqs);
+
ret = beiscsi_init_irqs(phba);
if (ret < 0) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
@@ -5719,11 +5640,10 @@ static int beiscsi_dev_probe(struct pci_dev *pcidev,
free_blkenbld:
destroy_workqueue(phba->wq);
- if (blk_iopoll_enabled)
- for (i = 0; i < phba->num_cpus; i++) {
- pbe_eq = &phwi_context->be_eq[i];
- blk_iopoll_disable(&pbe_eq->iopoll);
- }
+ for (i = 0; i < phba->num_cpus; i++) {
+ pbe_eq = &phwi_context->be_eq[i];
+ blk_iopoll_disable(&pbe_eq->iopoll);
+ }
free_twq:
beiscsi_clean_port(phba);
beiscsi_free_mem(phba);
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 2f8dd8e..924b0ba 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -3670,16 +3670,14 @@ static ssize_t ipr_store_iopoll_weight(struct device *dev,
return strlen(buf);
}
- if (blk_iopoll_enabled && ioa_cfg->iopoll_weight &&
- ioa_cfg->sis64 && ioa_cfg->nvectors > 1) {
+ if (ioa_cfg->iopoll_weight && ioa_cfg->sis64 && ioa_cfg->nvectors > 1) {
for (i = 1; i < ioa_cfg->hrrq_num; i++)
blk_iopoll_disable(&ioa_cfg->hrrq[i].iopoll);
}
spin_lock_irqsave(shost->host_lock, lock_flags);
ioa_cfg->iopoll_weight = user_iopoll_weight;
- if (blk_iopoll_enabled && ioa_cfg->iopoll_weight &&
- ioa_cfg->sis64 && ioa_cfg->nvectors > 1) {
+ if (ioa_cfg->iopoll_weight && ioa_cfg->sis64 && ioa_cfg->nvectors > 1) {
for (i = 1; i < ioa_cfg->hrrq_num; i++) {
blk_iopoll_init(&ioa_cfg->hrrq[i].iopoll,
ioa_cfg->iopoll_weight, ipr_iopoll);
@@ -5525,8 +5523,7 @@ static irqreturn_t ipr_isr_mhrrq(int irq, void *devp)
return IRQ_NONE;
}
- if (blk_iopoll_enabled && ioa_cfg->iopoll_weight &&
- ioa_cfg->sis64 && ioa_cfg->nvectors > 1) {
+ if (ioa_cfg->iopoll_weight && ioa_cfg->sis64 && ioa_cfg->nvectors > 1) {
if ((be32_to_cpu(*hrrq->hrrq_curr) & IPR_HRRQ_TOGGLE_BIT) ==
hrrq->toggle_bit) {
if (!blk_iopoll_sched_prep(&hrrq->iopoll))
@@ -9975,8 +9972,7 @@ static int ipr_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id)
ioa_cfg->host->max_channel = IPR_VSET_BUS;
ioa_cfg->iopoll_weight = ioa_cfg->chip_cfg->iopoll_weight;
- if (blk_iopoll_enabled && ioa_cfg->iopoll_weight &&
- ioa_cfg->sis64 && ioa_cfg->nvectors > 1) {
+ if (ioa_cfg->iopoll_weight && ioa_cfg->sis64 && ioa_cfg->nvectors > 1) {
for (i = 1; i < ioa_cfg->hrrq_num; i++) {
blk_iopoll_init(&ioa_cfg->hrrq[i].iopoll,
ioa_cfg->iopoll_weight, ipr_iopoll);
@@ -10005,8 +10001,7 @@ static void ipr_shutdown(struct pci_dev *pdev)
int i;
spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
- if (blk_iopoll_enabled && ioa_cfg->iopoll_weight &&
- ioa_cfg->sis64 && ioa_cfg->nvectors > 1) {
+ if (ioa_cfg->iopoll_weight && ioa_cfg->sis64 && ioa_cfg->nvectors > 1) {
ioa_cfg->iopoll_weight = 0;
for (i = 1; i < ioa_cfg->hrrq_num; i++)
blk_iopoll_disable(&ioa_cfg->hrrq[i].iopoll);
generated by cgit v0.10.2 at 2024-07-12 01:51:08 (GMT)