virtio/vsock: add 'VIRTIO_VSOCK_SEQ_EOR' bit.

This bit is used to handle POSIX MSG_EOR flag passed from
userspace in 'send*()' system calls. It marks end of each
record and is visible to receiver using 'recvmsg()' system
call.

Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20210903123225.3273425-1-arseny.krasnov@kaspersky.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/include/uapi/linux/virtio_vsock.h b/include/uapi/linux/virtio_vsock.h
index 8485b004a5f88b4b5b5ba344c3e89bebf816d0f3..64738838bee5737e6f1fc79a1bef35af9e9dfdc4 100644 (file)
--- a/include/uapi/linux/virtio_vsock.h
+++ b/include/uapi/linux/virtio_vsock.h
@@ -98,6 +98,7 @@ enum virtio_vsock_shutdown {
 /* VIRTIO_VSOCK_OP_RW flags values */
 enum virtio_vsock_rw {
        VIRTIO_VSOCK_SEQ_EOM = 1,
+       VIRTIO_VSOCK_SEQ_EOR = 2,
 };
 
 #endif /* _UAPI_LINUX_VIRTIO_VSOCK_H */