[RFC PATCH v9 10/19] virtio/vsock: defines and constants for SEQPACKET

From: Arseny Krasnov <arseny.krasnov@kaspersky.com>
To: Stefan Hajnoczi <stefanha@redhat.com>,
	Stefano Garzarella <sgarzare@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Jason Wang <jasowang@redhat.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Arseny Krasnov <arseny.krasnov@kaspersky.com>,
	Jorgen Hansen <jhansen@vmware.com>,
	Andra Paraschiv <andraprs@amazon.com>,
	Colin Ian King <colin.king@canonical.com>,
	Norbert Slusarek <nslusarek@gmx.net>
Cc: <kvm@vger.kernel.org>,
	<virtualization@lists.linux-foundation.org>,
	<netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<stsp2@yandex.ru>, <oxffffaa@gmail.com>
Subject: [RFC PATCH v9 10/19] virtio/vsock: defines and constants for SEQPACKET
Date: Sat, 8 May 2021 19:35:05 +0300	[thread overview]
Message-ID: <20210508163508.3431890-1-arseny.krasnov@kaspersky.com> (raw)
In-Reply-To: <20210508163027.3430238-1-arseny.krasnov@kaspersky.com>

This adds set of defines and constants for SOCK_SEQPACKET
support in vsock. Here is link to spec patch, which uses it:

https://lists.oasis-open.org/archives/virtio-comment/202103/msg00069.html

Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
---
 include/uapi/linux/virtio_vsock.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/uapi/linux/virtio_vsock.h b/include/uapi/linux/virtio_vsock.h
index 1d57ed3d84d2..3dd3555b2740 100644
--- a/include/uapi/linux/virtio_vsock.h
+++ b/include/uapi/linux/virtio_vsock.h
@@ -38,6 +38,9 @@
 #include <linux/virtio_ids.h>
 #include <linux/virtio_config.h>
 
+/* The feature bitmap for virtio vsock */
+#define VIRTIO_VSOCK_F_SEQPACKET	1	/* SOCK_SEQPACKET supported */
+
 struct virtio_vsock_config {
 	__le64 guest_cid;
 } __attribute__((packed));
@@ -65,6 +68,7 @@ struct virtio_vsock_hdr {
 
 enum virtio_vsock_type {
 	VIRTIO_VSOCK_TYPE_STREAM = 1,
+	VIRTIO_VSOCK_TYPE_SEQPACKET = 2,
 };
 
 enum virtio_vsock_op {
@@ -91,4 +95,9 @@ enum virtio_vsock_shutdown {
 	VIRTIO_VSOCK_SHUTDOWN_SEND = 2,
 };
 
+/* VIRTIO_VSOCK_OP_RW flags values */
+enum virtio_vsock_rw {
+	VIRTIO_VSOCK_SEQ_EOR = 1,
+};
+
 #endif /* _UAPI_LINUX_VIRTIO_VSOCK_H */
-- 
2.25.1

