VMD retransmits child device MSI-X with the VMD endpoint's requester-id.
In order to support direct interrupt remapping of VMD child devices,
ensure that the IRTE is programmed with the VMD endpoint's requester-id
using pci_real_dma_dev().
Acked-by: Lu Baolu <baolu...@linux.intel.com>
Acked-by: Joerg Roedel <jroe...@suse.de>
Signed-off-by: Jon Derrick <jonathan.derr...@intel.com>
---
drivers/iommu/intel/irq_remapping.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/intel/irq_remapping.c
b/drivers/iommu/intel/irq_remapping.c
index 685200a5cff0..1939e070eec8 100644
--- a/drivers/iommu/intel/irq_remapping.c
+++ b/drivers/iommu/intel/irq_remapping.c
@@ -1276,7 +1276,8 @@ static void intel_irq_remapping_prepare_irte(struct
intel_ir_data *data,
break;
case X86_IRQ_ALLOC_TYPE_PCI_MSI:
case X86_IRQ_ALLOC_TYPE_PCI_MSIX:
- set_msi_sid(irte, msi_desc_to_pci_dev(info->desc));
+ set_msi_sid(irte,
+ pci_real_dma_dev(msi_desc_to_pci_dev(info->desc)));
break;
default:
BUG_ON(1);
--
2.27.0
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