diff options
| author | Tony Lindgren <[email protected]> | 2018-11-08 09:57:42 -0800 |
|---|---|---|
| committer | Tony Lindgren <[email protected]> | 2018-11-08 09:57:42 -0800 |
| commit | 07fa3fa2572f2dee85beb8137f90ccf33d7206af (patch) | |
| tree | 0cec1fca7425cd6c423c53c4581ea2a9776ed411 /tools/include/uapi/linux/vhost.h | |
| parent | 4ed0dfe3cf39a97cd0ed532212b5e55e9752fe3f (diff) | |
| parent | 651022382c7f8da46cb4872a545ee1da6d097d2a (diff) | |
Merge tag 'v4.20-rc1' into omap-for-v4.21/dt-ti-sysc
Linux 4.20-rc1
Diffstat (limited to 'tools/include/uapi/linux/vhost.h')
| -rw-r--r-- | tools/include/uapi/linux/vhost.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/include/uapi/linux/vhost.h b/tools/include/uapi/linux/vhost.h index c51f8e5cc608..84c3de89696a 100644 --- a/tools/include/uapi/linux/vhost.h +++ b/tools/include/uapi/linux/vhost.h @@ -65,6 +65,7 @@ struct vhost_iotlb_msg { }; #define VHOST_IOTLB_MSG 0x1 +#define VHOST_IOTLB_MSG_V2 0x2 struct vhost_msg { int type; @@ -74,6 +75,15 @@ struct vhost_msg { }; }; +struct vhost_msg_v2 { + __u32 type; + __u32 reserved; + union { + struct vhost_iotlb_msg iotlb; + __u8 padding[64]; + }; +}; + struct vhost_memory_region { __u64 guest_phys_addr; __u64 memory_size; /* bytes */ @@ -160,6 +170,14 @@ struct vhost_memory { #define VHOST_GET_VRING_BUSYLOOP_TIMEOUT _IOW(VHOST_VIRTIO, 0x24, \ struct vhost_vring_state) +/* Set or get vhost backend capability */ + +/* Use message type V2 */ +#define VHOST_BACKEND_F_IOTLB_MSG_V2 0x1 + +#define VHOST_SET_BACKEND_FEATURES _IOW(VHOST_VIRTIO, 0x25, __u64) +#define VHOST_GET_BACKEND_FEATURES _IOR(VHOST_VIRTIO, 0x26, __u64) + /* VHOST_NET specific defines */ /* Attach virtio net ring to a raw socket, or tap device. |