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vhost_kern: add VHOST_BACKEND ioctls and flags

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vhost-kern support these ioctls to set/get backend features related
to IOTLB message support.

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
This commit is contained in:
Stefano Garzarella 2021-03-11 17:01:24 +01:00 • committed by Jiang Liu
parent 81dd5a91a1
commit 8dea3b6df4
1 changed files with 4 additions and 0 deletions
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4
src/vhost_kern/vhost_binding.rs
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@ -38,6 +38,8 @@ pub const VHOST_VRING_BIG_ENDIAN: raw::c_uint = 1;
pub const VHOST_F_LOG_ALL: raw::c_uint = 26;
pub const VHOST_NET_F_VIRTIO_NET_HDR: raw::c_uint = 27;
pub const VHOST_SCSI_ABI_VERSION: raw::c_uint = 1;
pub const VHOST_BACKEND_F_IOTLB_MSG_V2: raw::c_ulonglong = 0x1;
pub const VHOST_BACKEND_F_IOTLB_BATCH: raw::c_ulonglong = 0x2;
ioctl_ior_nr!(VHOST_GET_FEATURES, VHOST, 0x00, raw::c_ulonglong);
ioctl_iow_nr!(VHOST_SET_FEATURES, VHOST, 0x00, raw::c_ulonglong);
@ -53,6 +55,8 @@ ioctl_iowr_nr!(VHOST_GET_VRING_BASE, VHOST, 0x12, vhost_vring_state);
ioctl_iow_nr!(VHOST_SET_VRING_KICK, VHOST, 0x20, vhost_vring_file);
ioctl_iow_nr!(VHOST_SET_VRING_CALL, VHOST, 0x21, vhost_vring_file);
ioctl_iow_nr!(VHOST_SET_VRING_ERR, VHOST, 0x22, vhost_vring_file);
ioctl_iow_nr!(VHOST_SET_BACKEND_FEATURES, VHOST, 0x25, raw::c_ulonglong);
ioctl_ior_nr!(VHOST_GET_BACKEND_FEATURES, VHOST, 0x26, raw::c_ulonglong);
ioctl_iow_nr!(VHOST_NET_SET_BACKEND, VHOST, 0x30, vhost_vring_file);
ioctl_iow_nr!(VHOST_SCSI_SET_ENDPOINT, VHOST, 0x40, vhost_scsi_target);
ioctl_iow_nr!(VHOST_SCSI_CLEAR_ENDPOINT, VHOST, 0x41, vhost_scsi_target);