Commit 54866656 authored by Gautam Dawar's avatar Gautam Dawar Committed by Pengyuan Zhao
Browse files

vhost: move the backend feature bits to vhost_types.h 

mainline inclusion
from mainline-v5.19-rc1
commit 175d493c
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I5WXCZ
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=175d493c3c3e09a3abaa843068fae0f0ad42c47e



----------------------------------------------------------------------

We should store feature bits in vhost_types.h as what has been done
for e.g VHOST_F_LOG_ALL.

Signed-off-by: default avatarJason Wang <jasowang@redhat.com>
Signed-off-by: default avatarGautam Dawar <gdawar@xilinx.com>
Message-Id: <20220330180436.24644-2-gdawar@xilinx.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarPengyuan Zhao <zhaopengyuan@hisilicon.com>
parent b7502279

include/uapi/linux/vhost.h

+0 −5
Original line number Diff line number Diff line
@@ -89,11 +89,6 @@ 


/* Set or get vhost backend capability */



/* Use message type V2 */

#define VHOST_BACKEND_F_IOTLB_MSG_V2 0x1

/* IOTLB can accept batching hints */

#define VHOST_BACKEND_F_IOTLB_BATCH  0x2



#define VHOST_SET_BACKEND_FEATURES _IOW(VHOST_VIRTIO, 0x25, __u64)

#define VHOST_GET_BACKEND_FEATURES _IOR(VHOST_VIRTIO, 0x26, __u64)

include/uapi/linux/vhost_types.h

+5 −0
Original line number Diff line number Diff line
@@ -153,4 +153,9 @@ struct vhost_vdpa_iova_range { 
/* vhost-net should add virtio_net_hdr for RX, and strip for TX packets. */

#define VHOST_NET_F_VIRTIO_NET_HDR 27



/* Use message type V2 */

#define VHOST_BACKEND_F_IOTLB_MSG_V2 0x1

/* IOTLB can accept batching hints */

#define VHOST_BACKEND_F_IOTLB_BATCH  0x2



#endif