Current File : //proc/thread-self/root/proc/thread-self/root/usr/include/linux/virtio_vsock.h
/*
* This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so
* anyone can use the definitions to implement compatible drivers/servers:
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of IBM nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Copyright (C) Red Hat, Inc., 2013-2015
* Copyright (C) Asias He <asias@redhat.com>, 2013
* Copyright (C) Stefan Hajnoczi <stefanha@redhat.com>, 2015
*/
#ifndef _LINUX_VIRTIO_VSOCK_H
#define _LINUX_VIRTIO_VSOCK_H
#include <linux/types.h>
#include <linux/virtio_ids.h>
#include <linux/virtio_config.h>
struct virtio_vsock_config {
__le64 guest_cid;
} __attribute__((packed));
enum virtio_vsock_event_id {
VIRTIO_VSOCK_EVENT_TRANSPORT_RESET = 0,
};
struct virtio_vsock_event {
__le32 id;
} __attribute__((packed));
struct virtio_vsock_hdr {
__le64 src_cid;
__le64 dst_cid;
__le32 src_port;
__le32 dst_port;
__le32 len;
__le16 type; /* enum virtio_vsock_type */
__le16 op; /* enum virtio_vsock_op */
__le32 flags;
__le32 buf_alloc;
__le32 fwd_cnt;
} __attribute__((packed));
enum virtio_vsock_type {
VIRTIO_VSOCK_TYPE_STREAM = 1,
};
enum virtio_vsock_op {
VIRTIO_VSOCK_OP_INVALID = 0,
/* Connect operations */
VIRTIO_VSOCK_OP_REQUEST = 1,
VIRTIO_VSOCK_OP_RESPONSE = 2,
VIRTIO_VSOCK_OP_RST = 3,
VIRTIO_VSOCK_OP_SHUTDOWN = 4,
/* To send payload */
VIRTIO_VSOCK_OP_RW = 5,
/* Tell the peer our credit info */
VIRTIO_VSOCK_OP_CREDIT_UPDATE = 6,
/* Request the peer to send the credit info to us */
VIRTIO_VSOCK_OP_CREDIT_REQUEST = 7,
};
/* VIRTIO_VSOCK_OP_SHUTDOWN flags values */
enum virtio_vsock_shutdown {
VIRTIO_VSOCK_SHUTDOWN_RCV = 1,
VIRTIO_VSOCK_SHUTDOWN_SEND = 2,
};
#endif /* _LINUX_VIRTIO_VSOCK_H */
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