| Asias He | 06a8fc7 | 2016-07-28 15:36:32 +0100 | [diff] [blame] | 1 | /* |
| 2 | * This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so |
| 3 | * anyone can use the definitions to implement compatible drivers/servers: |
| 4 | * |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * 3. Neither the name of IBM nor the names of its contributors |
| 15 | * may be used to endorse or promote products derived from this software |
| 16 | * without specific prior written permission. |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' |
| 18 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE |
| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 27 | * SUCH DAMAGE. |
| 28 | * |
| 29 | * Copyright (C) Red Hat, Inc., 2013-2015 |
| 30 | * Copyright (C) Asias He <asias@redhat.com>, 2013 |
| 31 | * Copyright (C) Stefan Hajnoczi <stefanha@redhat.com>, 2015 |
| 32 | */ |
| 33 | |
| 34 | #ifndef _UAPI_LINUX_VIRTIO_VSOCK_H |
| Stefan Hajnoczi | 28ad555 | 2016-08-05 13:52:09 +0100 | [diff] [blame] | 35 | #define _UAPI_LINUX_VIRTIO_VSOCK_H |
| Asias He | 06a8fc7 | 2016-07-28 15:36:32 +0100 | [diff] [blame] | 36 | |
| 37 | #include <linux/types.h> |
| 38 | #include <linux/virtio_ids.h> |
| 39 | #include <linux/virtio_config.h> |
| 40 | |
| 41 | struct virtio_vsock_config { |
| 42 | __le64 guest_cid; |
| 43 | } __attribute__((packed)); |
| 44 | |
| 45 | enum virtio_vsock_event_id { |
| 46 | VIRTIO_VSOCK_EVENT_TRANSPORT_RESET = 0, |
| 47 | }; |
| 48 | |
| 49 | struct virtio_vsock_event { |
| 50 | __le32 id; |
| 51 | } __attribute__((packed)); |
| 52 | |
| 53 | struct virtio_vsock_hdr { |
| 54 | __le64 src_cid; |
| 55 | __le64 dst_cid; |
| 56 | __le32 src_port; |
| 57 | __le32 dst_port; |
| 58 | __le32 len; |
| 59 | __le16 type; /* enum virtio_vsock_type */ |
| 60 | __le16 op; /* enum virtio_vsock_op */ |
| 61 | __le32 flags; |
| 62 | __le32 buf_alloc; |
| 63 | __le32 fwd_cnt; |
| 64 | } __attribute__((packed)); |
| 65 | |
| 66 | enum virtio_vsock_type { |
| 67 | VIRTIO_VSOCK_TYPE_STREAM = 1, |
| 68 | }; |
| 69 | |
| 70 | enum virtio_vsock_op { |
| 71 | VIRTIO_VSOCK_OP_INVALID = 0, |
| 72 | |
| 73 | /* Connect operations */ |
| 74 | VIRTIO_VSOCK_OP_REQUEST = 1, |
| 75 | VIRTIO_VSOCK_OP_RESPONSE = 2, |
| 76 | VIRTIO_VSOCK_OP_RST = 3, |
| 77 | VIRTIO_VSOCK_OP_SHUTDOWN = 4, |
| 78 | |
| 79 | /* To send payload */ |
| 80 | VIRTIO_VSOCK_OP_RW = 5, |
| 81 | |
| 82 | /* Tell the peer our credit info */ |
| 83 | VIRTIO_VSOCK_OP_CREDIT_UPDATE = 6, |
| 84 | /* Request the peer to send the credit info to us */ |
| 85 | VIRTIO_VSOCK_OP_CREDIT_REQUEST = 7, |
| 86 | }; |
| 87 | |
| 88 | /* VIRTIO_VSOCK_OP_SHUTDOWN flags values */ |
| 89 | enum virtio_vsock_shutdown { |
| 90 | VIRTIO_VSOCK_SHUTDOWN_RCV = 1, |
| 91 | VIRTIO_VSOCK_SHUTDOWN_SEND = 2, |
| 92 | }; |
| 93 | |
| 94 | #endif /* _UAPI_LINUX_VIRTIO_VSOCK_H */ |