diff options
Diffstat (limited to 'include/standard-headers/linux/virtio_pci.h')
-rw-r--r-- | include/standard-headers/linux/virtio_pci.h | 11 |
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. */ |