diff options
| -rw-r--r-- | xen/drivers/passthrough/vtd/intremap.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/xen/drivers/passthrough/vtd/intremap.c b/xen/drivers/passthrough/vtd/intremap.c index aaf9301896..8b45e5ae8b 100644 --- a/xen/drivers/passthrough/vtd/intremap.c +++ b/xen/drivers/passthrough/vtd/intremap.c @@ -442,13 +442,22 @@ static void set_msi_source_id(struct pci_dev *pdev, struct iremap_entry *ire) devfn = pdev->devfn; switch ( pdev->type ) { + unsigned int sq; + case DEV_TYPE_PCIe_BRIDGE: case DEV_TYPE_PCIe2PCI_BRIDGE: case DEV_TYPE_LEGACY_PCI_BRIDGE: break; case DEV_TYPE_PCIe_ENDPOINT: - set_ire_sid(ire, SVT_VERIFY_SID_SQ, SQ_ALL_16, PCI_BDF2(bus, devfn)); + switch ( pdev->phantom_stride ) + { + case 1: sq = SQ_13_IGNORE_3; break; + case 2: sq = SQ_13_IGNORE_2; break; + case 4: sq = SQ_13_IGNORE_1; break; + default: sq = SQ_ALL_16; break; + } + set_ire_sid(ire, SVT_VERIFY_SID_SQ, sq, PCI_BDF2(bus, devfn)); break; case DEV_TYPE_PCI: |