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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. */