Add required support in the interrupt remapping driver for devices which generate dev-msi interrupts and use the intel remapping domain as the parent domain. Set the source-id of all dev-msi interrupt requests to the parent PCI device associated with it. Reviewed-by: Tony Luck <tony.luck@xxxxxxxxx> Signed-off-by: Megha Dey <megha.dey@xxxxxxxxx> --- drivers/iommu/intel/irq_remapping.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/intel/irq_remapping.c b/drivers/iommu/intel/irq_remapping.c index 685200a..18f1b53 100644 --- a/drivers/iommu/intel/irq_remapping.c +++ b/drivers/iommu/intel/irq_remapping.c @@ -1278,6 +1278,9 @@ static void intel_irq_remapping_prepare_irte(struct intel_ir_data *data, case X86_IRQ_ALLOC_TYPE_PCI_MSIX: set_msi_sid(irte, msi_desc_to_pci_dev(info->desc)); break; + case X86_IRQ_ALLOC_TYPE_DEV_MSI: + set_msi_sid(irte, to_pci_dev(info->desc->dev->parent)); + break; default: BUG_ON(1); break; @@ -1321,7 +1324,8 @@ static int intel_irq_remapping_alloc(struct irq_domain *domain, if (!info || !iommu) return -EINVAL; if (nr_irqs > 1 && info->type != X86_IRQ_ALLOC_TYPE_PCI_MSI && - info->type != X86_IRQ_ALLOC_TYPE_PCI_MSIX) + info->type != X86_IRQ_ALLOC_TYPE_PCI_MSIX && + info->type != X86_IRQ_ALLOC_TYPE_DEV_MSI) return -EINVAL; /* -- 2.7.4
