diff options
Diffstat (limited to 'hw/virtio')
| -rw-r--r-- | hw/virtio/virtio-pci.c | 5 | ||||
| -rw-r--r-- | hw/virtio/virtio-pci.h | 5 |
2 files changed, 9 insertions, 1 deletions
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index c1b67cf6fc..b321604d9b 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -1856,7 +1856,8 @@ static void virtio_pci_realize(PCIDevice *pci_dev, Error **errp) } if (proxy->flags & VIRTIO_PCI_FLAG_ATS) { - pcie_ats_init(pci_dev, last_pcie_cap_offset); + pcie_ats_init(pci_dev, last_pcie_cap_offset, + proxy->flags & VIRTIO_PCI_FLAG_ATS_PAGE_ALIGNED); last_pcie_cap_offset += PCI_EXT_CAP_ATS_SIZEOF; } @@ -1933,6 +1934,8 @@ static Property virtio_pci_properties[] = { ignore_backend_features, false), DEFINE_PROP_BIT("ats", VirtIOPCIProxy, flags, VIRTIO_PCI_FLAG_ATS_BIT, false), + DEFINE_PROP_BIT("x-ats-page-aligned", VirtIOPCIProxy, flags, + VIRTIO_PCI_FLAG_ATS_PAGE_ALIGNED_BIT, true), DEFINE_PROP_BIT("x-pcie-deverr-init", VirtIOPCIProxy, flags, VIRTIO_PCI_FLAG_INIT_DEVERR_BIT, true), DEFINE_PROP_BIT("x-pcie-lnkctl-init", VirtIOPCIProxy, flags, diff --git a/hw/virtio/virtio-pci.h b/hw/virtio/virtio-pci.h index d7d5d403a9..2446dcd9ae 100644 --- a/hw/virtio/virtio-pci.h +++ b/hw/virtio/virtio-pci.h @@ -42,6 +42,7 @@ enum { VIRTIO_PCI_FLAG_INIT_PM_BIT, VIRTIO_PCI_FLAG_INIT_FLR_BIT, VIRTIO_PCI_FLAG_AER_BIT, + VIRTIO_PCI_FLAG_ATS_PAGE_ALIGNED_BIT, }; /* Need to activate work-arounds for buggy guests at vmstate load. */ @@ -84,6 +85,10 @@ enum { /* Advanced Error Reporting capability */ #define VIRTIO_PCI_FLAG_AER (1 << VIRTIO_PCI_FLAG_AER_BIT) +/* Page Aligned Address space Translation Service */ +#define VIRTIO_PCI_FLAG_ATS_PAGE_ALIGNED \ + (1 << VIRTIO_PCI_FLAG_ATS_PAGE_ALIGNED_BIT) + typedef struct { MSIMessage msg; int virq; |