diff options
Diffstat (limited to 'hw/virtio-net.h')
| -rw-r--r-- | hw/virtio-net.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/hw/virtio-net.h b/hw/virtio-net.h index 9dce663bb6..119e38db98 100644 --- a/hw/virtio-net.h +++ b/hw/virtio-net.h @@ -40,6 +40,7 @@ #define VIRTIO_NET_F_HOST_UFO 14 /* Host can handle UFO in. */ #define VIRTIO_NET_F_MRG_RXBUF 15 /* Host can merge receive buffers. */ #define VIRTIO_NET_F_STATUS 16 /* virtio_net_config.status available */ +#define VIRTIO_NET_F_CTRL_VQ 17 /* Control channel available */ #define VIRTIO_NET_S_LINK_UP 1 /* Link is up */ @@ -84,4 +85,21 @@ struct virtio_net_hdr_mrg_rxbuf void virtio_net_init(PCIBus *bus, NICInfo *nd, int devfn); +/* + * Control virtqueue data structures + * + * The control virtqueue expects a header in the first sg entry + * and an ack/status response in the last entry. Data for the + * command goes in between. + */ +struct virtio_net_ctrl_hdr { + uint8_t class; + uint8_t cmd; +}; + +typedef uint8_t virtio_net_ctrl_ack; + +#define VIRTIO_NET_OK 0 +#define VIRTIO_NET_ERR 1 + #endif |