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scsi: aacraid: switch to pci_alloc_irq_vectors 

Use pci_alloc_irq_vectors and drop the hand-crafted interrupt affinity
routines.

Signed-off-by: Hannes Reinecke <hare@suse.com>
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Reviewed-by: Raghava Aditya Renukunta <raghavaaditya.renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Hannes Reinecke 2016-11-08 08:11:30 +01:00 committed by Martin K. Petersen
parent a0f4bd7f2a
commit 0910d8bbdd
4 changed files with 12 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/scsi/aacraid/aacraid.h
View File

@ -1246,7 +1246,6 @@ struct aac_dev
u32 max_msix; /* max. MSI-X vectors */
u32 vector_cap; /* MSI-X vector capab.*/
int msi_enabled; /* MSI/MSI-X enabled */
struct msix_entry msixentry[AAC_MAX_MSIX];
struct aac_msix_ctx aac_msix[AAC_MAX_MSIX]; /* context */
u8 adapter_shutdown;
u32 handle_pci_error;

10
drivers/scsi/aacraid/comminit.c
View File

@ -378,16 +378,12 @@ void aac_define_int_mode(struct aac_dev *dev)
if (msi_count > AAC_MAX_MSIX)
msi_count = AAC_MAX_MSIX;
for (i = 0; i < msi_count; i++)
dev->msixentry[i].entry = i;
if (msi_count > 1 &&
pci_find_capability(dev->pdev, PCI_CAP_ID_MSIX)) {
min_msix = 2;
i = pci_enable_msix_range(dev->pdev,
dev->msixentry,
min_msix,
msi_count);
i = pci_alloc_irq_vectors(dev->pdev,
min_msix, msi_count,
PCI_IRQ_MSIX | PCI_IRQ_AFFINITY);
if (i > 0) {
dev->msi_enabled = 1;
msi_count = i;

25
drivers/scsi/aacraid/commsup.c
View File

@ -2043,30 +2043,22 @@ int aac_acquire_irq(struct aac_dev *dev)
int i;
int j;
int ret = 0;
int cpu;
cpu = cpumask_first(cpu_online_mask);
if (!dev->sync_mode && dev->msi_enabled && dev->max_msix > 1) {
for (i = 0; i < dev->max_msix; i++) {
dev->aac_msix[i].vector_no = i;
dev->aac_msix[i].dev = dev;
if (request_irq(dev->msixentry[i].vector,
if (request_irq(pci_irq_vector(dev->pdev, i),
dev->a_ops.adapter_intr,
0, "aacraid", &(dev->aac_msix[i]))) {
printk(KERN_ERR "%s%d: Failed to register IRQ for vector %d.\n",
dev->name, dev->id, i);
for (j = 0 ; j < i ; j++)
free_irq(dev->msixentry[j].vector,
free_irq(pci_irq_vector(dev->pdev, j),
&(dev->aac_msix[j]));
pci_disable_msix(dev->pdev);
ret = -1;
}
if (irq_set_affinity_hint(dev->msixentry[i].vector,
get_cpu_mask(cpu))) {
printk(KERN_ERR "%s%d: Failed to set IRQ affinity for cpu %d\n",
dev->name, dev->id, cpu);
}
cpu = cpumask_next(cpu, cpu_online_mask);
}
} else {
dev->aac_msix[0].vector_no = 0;
@ -2096,16 +2088,9 @@ void aac_free_irq(struct aac_dev *dev)
dev->pdev->device == PMC_DEVICE_S8 ||
dev->pdev->device == PMC_DEVICE_S9) {
if (dev->max_msix > 1) {
for (i = 0; i < dev->max_msix; i++) {
if (irq_set_affinity_hint(
dev->msixentry[i].vector, NULL)) {
printk(KERN_ERR "%s%d: Failed to reset IRQ affinity for cpu %d\n",
dev->name, dev->id, cpu);
}
cpu = cpumask_next(cpu, cpu_online_mask);
free_irq(dev->msixentry[i].vector,
&(dev->aac_msix[i]));
}
for (i = 0; i < dev->max_msix; i++)
free_irq(pci_irq_vector(dev->pdev, i),
&(dev->aac_msix[i]));
} else {
free_irq(dev->pdev->irq, &(dev->aac_msix[0]));
}

20
drivers/scsi/aacraid/linit.c
View File

@ -1071,7 +1071,6 @@ static struct scsi_host_template aac_driver_template = {
static void __aac_shutdown(struct aac_dev * aac)
{
int i;
int cpu;
aac_send_shutdown(aac);
@ -1087,24 +1086,13 @@ static void __aac_shutdown(struct aac_dev * aac)
kthread_stop(aac->thread);
}
aac_adapter_disable_int(aac);
cpu = cpumask_first(cpu_online_mask);
if (aac->pdev->device == PMC_DEVICE_S6 ||
aac->pdev->device == PMC_DEVICE_S7 ||
aac->pdev->device == PMC_DEVICE_S8 ||
aac->pdev->device == PMC_DEVICE_S9) {
if (aac->max_msix > 1) {
for (i = 0; i < aac->max_msix; i++) {
if (irq_set_affinity_hint(
aac->msixentry[i].vector,
NULL)) {
printk(KERN_ERR "%s%d: Failed to reset IRQ affinity for cpu %d\n",
aac->name,
aac->id,
cpu);
}
cpu = cpumask_next(cpu,
cpu_online_mask);
free_irq(aac->msixentry[i].vector,
free_irq(pci_irq_vector(aac->pdev, i),
&(aac->aac_msix[i]));
}
} else {
@ -1350,7 +1338,7 @@ static void aac_release_resources(struct aac_dev *aac)
aac->pdev->device == PMC_DEVICE_S9) {
if (aac->max_msix > 1) {
for (i = 0; i < aac->max_msix; i++)
free_irq(aac->msixentry[i].vector,
free_irq(pci_irq_vector(aac->pdev, i),
&(aac->aac_msix[i]));
} else {
free_irq(aac->pdev->irq, &(aac->aac_msix[0]));
@ -1396,13 +1384,13 @@ static int aac_acquire_resources(struct aac_dev *dev)
dev->aac_msix[i].vector_no = i;
dev->aac_msix[i].dev = dev;
if (request_irq(dev->msixentry[i].vector,
if (request_irq(pci_irq_vector(dev->pdev, i),
dev->a_ops.adapter_intr,
0, "aacraid", &(dev->aac_msix[i]))) {
printk(KERN_ERR "%s%d: Failed to register IRQ for vector %d.\n",
name, instance, i);
for (j = 0 ; j < i ; j++)
free_irq(dev->msixentry[j].vector,
free_irq(pci_irq_vector(dev->pdev, j),
&(dev->aac_msix[j]));
pci_disable_msix(dev->pdev);
goto error_iounmap;