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00343e4b CL |
1 | /* |
2 | * vhost-user-blk host device | |
3 | * Copyright(C) 2017 Intel Corporation. | |
4 | * | |
5 | * Authors: | |
6 | * Changpeng Liu <changpeng.liu@intel.com> | |
7 | * | |
8 | * Based on vhost-scsi.h, Copyright IBM, Corp. 2011 | |
9 | * | |
10 | * This work is licensed under the terms of the GNU LGPL, version 2 or later. | |
11 | * See the COPYING.LIB file in the top-level directory. | |
12 | * | |
13 | */ | |
14 | ||
15 | #ifndef VHOST_USER_BLK_H | |
16 | #define VHOST_USER_BLK_H | |
17 | ||
18 | #include "standard-headers/linux/virtio_blk.h" | |
00343e4b CL |
19 | #include "hw/block/block.h" |
20 | #include "chardev/char-fe.h" | |
21 | #include "hw/virtio/vhost.h" | |
4d0cf552 | 22 | #include "hw/virtio/vhost-user.h" |
db1015e9 | 23 | #include "qom/object.h" |
00343e4b CL |
24 | |
25 | #define TYPE_VHOST_USER_BLK "vhost-user-blk" | |
db1015e9 | 26 | typedef struct VHostUserBlk VHostUserBlk; |
8110fa1d EH |
27 | DECLARE_INSTANCE_CHECKER(VHostUserBlk, VHOST_USER_BLK, |
28 | TYPE_VHOST_USER_BLK) | |
00343e4b | 29 | |
a4eef071 SH |
30 | #define VHOST_USER_BLK_AUTO_NUM_QUEUES UINT16_MAX |
31 | ||
db1015e9 | 32 | struct VHostUserBlk { |
00343e4b CL |
33 | VirtIODevice parent_obj; |
34 | CharBackend chardev; | |
35 | int32_t bootindex; | |
36 | struct virtio_blk_config blkcfg; | |
37 | uint16_t num_queues; | |
38 | uint32_t queue_size; | |
39 | uint32_t config_wce; | |
00343e4b | 40 | struct vhost_dev dev; |
a1fe0b8f | 41 | struct vhost_inflight *inflight; |
0b99f224 | 42 | VhostUserState vhost_user; |
38e245a4 PN |
43 | struct vhost_virtqueue *vhost_vqs; |
44 | VirtQueue **virtqs; | |
77542d43 | 45 | bool connected; |
db1015e9 | 46 | }; |
00343e4b CL |
47 | |
48 | #endif |