diff options
| author |   Chandrakanth Patil <chandrakanth.patil@broadcom.com> | 2019-10-07 10:48:28 +0530 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2019-10-09 23:23:15 -0400 |
| commit | ff7ca7fd03ce7dc225b3fc653d6877d2485c5716 (patch) | |
| tree | 76338e6d7ab6206b961cec2cfb773b4a75c11745 /drivers | |
| parent | scsi: smartpqi: bump version (diff) | |
| download | linux-dev-ff7ca7fd03ce7dc225b3fc653d6877d2485c5716.tar.xz linux-dev-ff7ca7fd03ce7dc225b3fc653d6877d2485c5716.zip | |
scsi: megaraid_sas: Unique names for MSI-X vectors
Currently, MSI-X vectors name appears in /proc/interrupts is "megasas"
which is same for all the vectors. This patch provides a unique name for
all megaraid_sas controllers and their associated MSI-X interrupts.
Link: https://lore.kernel.org/r/20191007051828.12294-1-chandrakanth.patil@broadcom.com
Suggested-by: Konstantin Shalygin <k0ste@k0ste.ru>
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.h | 3 | ||||
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_base.c | 8 |
2 files changed, 9 insertions, 2 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index a6e788c02ff4..bd8184072bed 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -24,6 +24,8 @@ #define MEGASAS_VERSION "07.710.50.00-rc1" #define MEGASAS_RELDATE "June 28, 2019" +#define MEGASAS_MSIX_NAME_LEN 32 + /* * Device IDs */ @@ -2203,6 +2205,7 @@ struct megasas_aen_event { }; struct megasas_irq_context { + char name[MEGASAS_MSIX_NAME_LEN]; struct megasas_instance *instance; u32 MSIxIndex; u32 os_irq; diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 42cf38c1ea99..c40fbea06cc5 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -5546,9 +5546,11 @@ megasas_setup_irqs_ioapic(struct megasas_instance *instance) pdev = instance->pdev; instance->irq_context[0].instance = instance; instance->irq_context[0].MSIxIndex = 0; + snprintf(instance->irq_context->name, MEGASAS_MSIX_NAME_LEN, "%s%u", + "megasas", instance->host->host_no); if (request_irq(pci_irq_vector(pdev, 0), instance->instancet->service_isr, IRQF_SHARED, - "megasas", &instance->irq_context[0])) { + instance->irq_context->name, &instance->irq_context[0])) { dev_err(&instance->pdev->dev, "Failed to register IRQ from %s %d\n", __func__, __LINE__); @@ -5580,8 +5582,10 @@ megasas_setup_irqs_msix(struct megasas_instance *instance, u8 is_probe) for (i = 0; i < instance->msix_vectors; i++) { instance->irq_context[i].instance = instance; instance->irq_context[i].MSIxIndex = i; + snprintf(instance->irq_context[i].name, MEGASAS_MSIX_NAME_LEN, "%s%u-msix%u", + "megasas", instance->host->host_no, i); if (request_irq(pci_irq_vector(pdev, i), - instance->instancet->service_isr, 0, "megasas", + instance->instancet->service_isr, 0, instance->irq_context[i].name, &instance->irq_context[i])) { dev_err(&instance->pdev->dev, "Failed to register IRQ for vector %d.\n", i); |