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Editing: 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> /* The feature bitmap for virtio vsock */ #define VIRTIO_VSOCK_F_SEQPACKET 1 /* SOCK_SEQPACKET supported */ 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, VIRTIO_VSOCK_TYPE_SEQPACKET = 2, }; 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, }; /* VIRTIO_VSOCK_OP_RW flags values */ enum virtio_vsock_rw { VIRTIO_VSOCK_SEQ_EOM = 1, VIRTIO_VSOCK_SEQ_EOR = 2, }; #endif /* _LINUX_VIRTIO_VSOCK_H */
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