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virtio-pci: address space translation service (ATS) support

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This patches enable the Address Translation Service support for virtio
pci devices. This is needed for a guest visible Device IOTLB
implementation and will be required by vhost device IOTLB API
implementation for intel IOMMU.

Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Jason Wang 2016-12-30 18:09:15 +08:00 • committed by Michael S. Tsirkin
parent 554f5e1604
commit 615c4ed205
5 changed files with 31 additions and 0 deletions
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include/standard-headers/linux/pci_regs.h
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@ -678,6 +678,7 @@
#define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_PTM
#define PCI_EXT_CAP_DSN_SIZEOF 12
#define PCI_EXT_CAP_ATS_SIZEOF 8
#define PCI_EXT_CAP_MCAST_ENDPOINT_SIZEOF 40
/* Advanced Error Reporting */