diff options
Diffstat (limited to 'drivers/scsi/smartpqi/smartpqi_init.c')
| -rw-r--r-- | drivers/scsi/smartpqi/smartpqi_init.c | 102 |
1 files changed, 32 insertions, 70 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index a535b2661f38..8702d9cf8040 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -25,6 +25,7 @@ #include <linux/rtc.h> #include <linux/bcd.h> #include <linux/cciss_ioctl.h> +#include <linux/blk-mq-pci.h> #include <scsi/scsi_host.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_device.h> @@ -2887,19 +2888,19 @@ static irqreturn_t pqi_irq_handler(int irq, void *data) static int pqi_request_irqs(struct pqi_ctrl_info *ctrl_info) { + struct pci_dev *pdev = ctrl_info->pci_dev; int i; int rc; - ctrl_info->event_irq = ctrl_info->msix_vectors[0]; + ctrl_info->event_irq = pci_irq_vector(pdev, 0); for (i = 0; i < ctrl_info->num_msix_vectors_enabled; i++) { - rc = request_irq(ctrl_info->msix_vectors[i], - pqi_irq_handler, 0, - DRIVER_NAME_SHORT, ctrl_info->intr_data[i]); + rc = request_irq(pci_irq_vector(pdev, i), pqi_irq_handler, 0, + DRIVER_NAME_SHORT, &ctrl_info->queue_groups[i]); if (rc) { - dev_err(&ctrl_info->pci_dev->dev, + dev_err(&pdev->dev, "irq %u init failed with error %d\n", - ctrl_info->msix_vectors[i], rc); + pci_irq_vector(pdev, i), rc); return rc; } ctrl_info->num_msix_vectors_initialized++; @@ -2908,72 +2909,23 @@ static int pqi_request_irqs(struct pqi_ctrl_info *ctrl_info) return 0; } -static void pqi_free_irqs(struct pqi_ctrl_info *ctrl_info) -{ - int i; - - for (i = 0; i < ctrl_info->num_msix_vectors_initialized; i++) - free_irq(ctrl_info->msix_vectors[i], - ctrl_info->intr_data[i]); -} - static int pqi_enable_msix_interrupts(struct pqi_ctrl_info *ctrl_info) { - unsigned int i; - int max_vectors; - int num_vectors_enabled; - struct msix_entry msix_entries[PQI_MAX_MSIX_VECTORS]; - - max_vectors = ctrl_info->num_queue_groups; - - for (i = 0; i < max_vectors; i++) - msix_entries[i].entry = i; - - num_vectors_enabled = pci_enable_msix_range(ctrl_info->pci_dev, - msix_entries, PQI_MIN_MSIX_VECTORS, max_vectors); + int ret; - if (num_vectors_enabled < 0) { + ret = pci_alloc_irq_vectors(ctrl_info->pci_dev, + PQI_MIN_MSIX_VECTORS, ctrl_info->num_queue_groups, + PCI_IRQ_MSIX | PCI_IRQ_AFFINITY); + if (ret < 0) { dev_err(&ctrl_info->pci_dev->dev, - "MSI-X init failed with error %d\n", - num_vectors_enabled); - return num_vectors_enabled; - } - - ctrl_info->num_msix_vectors_enabled = num_vectors_enabled; - for (i = 0; i < num_vectors_enabled; i++) { - ctrl_info->msix_vectors[i] = msix_entries[i].vector; - ctrl_info->intr_data[i] = &ctrl_info->queue_groups[i]; + "MSI-X init failed with error %d\n", ret); + return ret; } + ctrl_info->num_msix_vectors_enabled = ret; return 0; } -static void pqi_irq_set_affinity_hint(struct pqi_ctrl_info *ctrl_info) -{ - int i; - int rc; - int cpu; - - cpu = cpumask_first(cpu_online_mask); - for (i = 0; i < ctrl_info->num_msix_vectors_initialized; i++) { - rc = irq_set_affinity_hint(ctrl_info->msix_vectors[i], - get_cpu_mask(cpu)); - if (rc) - dev_err(&ctrl_info->pci_dev->dev, - "error %d setting affinity hint for irq vector %u\n", - rc, ctrl_info->msix_vectors[i]); - cpu = cpumask_next(cpu, cpu_online_mask); - } -} - -static void pqi_irq_unset_affinity_hint(struct pqi_ctrl_info *ctrl_info) -{ - int i; - - for (i = 0; i < ctrl_info->num_msix_vectors_initialized; i++) - irq_set_affinity_hint(ctrl_info->msix_vectors[i], NULL); -} - static int pqi_alloc_operational_queues(struct pqi_ctrl_info *ctrl_info) { unsigned int i; @@ -4743,6 +4695,13 @@ static int pqi_slave_configure(struct scsi_device *sdev) return 0; } +static int pqi_map_queues(struct Scsi_Host *shost) +{ + struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); + + return blk_mq_pci_map_queues(&shost->tag_set, ctrl_info->pci_dev); +} + static int pqi_getpciinfo_ioctl(struct pqi_ctrl_info *ctrl_info, void __user *arg) { @@ -5130,6 +5089,7 @@ static struct scsi_host_template pqi_driver_template = { .ioctl = pqi_ioctl, .slave_alloc = pqi_slave_alloc, .slave_configure = pqi_slave_configure, + .map_queues = pqi_map_queues, .sdev_attrs = pqi_sdev_attrs, .shost_attrs = pqi_shost_attrs, }; @@ -5159,7 +5119,7 @@ static int pqi_register_scsi(struct pqi_ctrl_info *ctrl_info) shost->cmd_per_lun = shost->can_queue; shost->sg_tablesize = ctrl_info->sg_tablesize; shost->transportt = pqi_sas_transport_template; - shost->irq = ctrl_info->msix_vectors[0]; + shost->irq = pci_irq_vector(ctrl_info->pci_dev, 0); shost->unique_id = shost->irq; shost->nr_hw_queues = ctrl_info->num_queue_groups; shost->hostdata[0] = (unsigned long)ctrl_info; @@ -5409,8 +5369,6 @@ static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info) if (rc) return rc; - pqi_irq_set_affinity_hint(ctrl_info); - rc = pqi_create_queues(ctrl_info); if (rc) return rc; @@ -5557,10 +5515,14 @@ static inline void pqi_free_ctrl_info(struct pqi_ctrl_info *ctrl_info) static void pqi_free_interrupts(struct pqi_ctrl_info *ctrl_info) { - pqi_irq_unset_affinity_hint(ctrl_info); - pqi_free_irqs(ctrl_info); - if (ctrl_info->num_msix_vectors_enabled) - pci_disable_msix(ctrl_info->pci_dev); + int i; + + for (i = 0; i < ctrl_info->num_msix_vectors_initialized; i++) { + free_irq(pci_irq_vector(ctrl_info->pci_dev, i), + &ctrl_info->queue_groups[i]); + } + + pci_free_irq_vectors(ctrl_info->pci_dev); } static void pqi_free_ctrl_resources(struct pqi_ctrl_info *ctrl_info) |