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PCI: hookup irq_get_affinity callback

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struct bus_type has a new callback for retrieving the IRQ affinity for a
device. Hook this callback up for PCI based devices.

Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Daniel Wagner <wagi@kernel.org>
Link: https://lore.kernel.org/r/20241202-refactor-blk-affinity-helpers-v6-2-27211e9c2cd5@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Daniel Wagner 2024-12-02 15:00:10 +01:00 committed by Jens Axboe
parent ccddd556cf
commit 86ae920136
1 changed files with 14 additions and 0 deletions
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14
drivers/pci/pci-driver.c
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@ -1670,6 +1670,19 @@ static void pci_dma_cleanup(struct device *dev)
iommu_device_unuse_default_domain(dev);
}
/*
* pci_device_irq_get_affinity - get IRQ affinity mask for device
* @dev: ptr to dev structure
* @irq_vec: interrupt vector number
*
* Return the CPU affinity mask for @dev and @irq_vec.
*/
static const struct cpumask *pci_device_irq_get_affinity(struct device *dev,
unsigned int irq_vec)
{
return pci_irq_get_affinity(to_pci_dev(dev), irq_vec);
}
const struct bus_type pci_bus_type = {
.name = "pci",
.match = pci_bus_match,
@ -1677,6 +1690,7 @@ const struct bus_type pci_bus_type = {
.probe = pci_device_probe,
.remove = pci_device_remove,
.shutdown = pci_device_shutdown,
.irq_get_affinity = pci_device_irq_get_affinity,
.dev_groups = pci_dev_groups,
.bus_groups = pci_bus_groups,
.drv_groups = pci_drv_groups,