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Diffstat (limited to 'include/uapi/linux/virtio_pci.h')
-rw-r--r--include/uapi/linux/virtio_pci.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h
index 90007a1abcab..3a86f36d7e3d 100644
--- a/include/uapi/linux/virtio_pci.h
+++ b/include/uapi/linux/virtio_pci.h
@@ -113,6 +113,8 @@
#define VIRTIO_PCI_CAP_DEVICE_CFG 4
/* PCI configuration access */
#define VIRTIO_PCI_CAP_PCI_CFG 5
+/* Additional shared memory capability */
+#define VIRTIO_PCI_CAP_SHARED_MEMORY_CFG 8
/* This is the PCI capability header: */
struct virtio_pci_cap {
@@ -121,11 +123,18 @@ struct virtio_pci_cap {
__u8 cap_len; /* Generic PCI field: capability length */
__u8 cfg_type; /* Identifies the structure. */
__u8 bar; /* Where to find it. */
- __u8 padding[3]; /* Pad to full dword. */
+ __u8 id; /* Multiple capabilities of the same type */
+ __u8 padding[2]; /* Pad to full dword. */
__le32 offset; /* Offset within bar. */
__le32 length; /* Length of the structure, in bytes. */
};
+struct virtio_pci_cap64 {
+ struct virtio_pci_cap cap;
+ __le32 offset_hi; /* Most sig 32 bits of offset */
+ __le32 length_hi; /* Most sig 32 bits of length */
+};
+
struct virtio_pci_notify_cap {
struct virtio_pci_cap cap;
__le32 notify_off_multiplier; /* Multiplier for queue_notify_off. */