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Diffstat (limited to 'include/standard-headers/linux/virtio_pci.h')
-rw-r--r--include/standard-headers/linux/virtio_pci.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/standard-headers/linux/virtio_pci.h b/include/standard-headers/linux/virtio_pci.h
index 9262acd130..db7a8e2fcb 100644
--- a/include/standard-headers/linux/virtio_pci.h
+++ b/include/standard-headers/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 {
 	uint8_t cap_len;		/* Generic PCI field: capability length */
 	uint8_t cfg_type;		/* Identifies the structure. */
 	uint8_t bar;		/* Where to find it. */
-	uint8_t padding[3];	/* Pad to full dword. */
+	uint8_t id;		/* Multiple capabilities of the same type */
+	uint8_t padding[2];	/* Pad to full dword. */
 	uint32_t offset;		/* Offset within bar. */
 	uint32_t length;		/* Length of the structure, in bytes. */
 };
 
+struct virtio_pci_cap64 {
+	struct virtio_pci_cap cap;
+	uint32_t offset_hi;             /* Most sig 32 bits of offset */
+	uint32_t length_hi;             /* Most sig 32 bits of length */
+};
+
 struct virtio_pci_notify_cap {
 	struct virtio_pci_cap cap;
 	uint32_t notify_off_multiplier;	/* Multiplier for queue_notify_off. */