GNU Linux-libre 6.9.2-gnu
[releases.git] / include / uapi / linux / vdpa.h
1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 /*
3  * vdpa device management interface
4  * Copyright (c) 2020 Mellanox Technologies Ltd. All rights reserved.
5  */
6
7 #ifndef _UAPI_LINUX_VDPA_H_
8 #define _UAPI_LINUX_VDPA_H_
9
10 #define VDPA_GENL_NAME "vdpa"
11 #define VDPA_GENL_VERSION 0x1
12
13 enum vdpa_command {
14         VDPA_CMD_UNSPEC,
15         VDPA_CMD_MGMTDEV_NEW,
16         VDPA_CMD_MGMTDEV_GET,           /* can dump */
17         VDPA_CMD_DEV_NEW,
18         VDPA_CMD_DEV_DEL,
19         VDPA_CMD_DEV_GET,               /* can dump */
20         VDPA_CMD_DEV_CONFIG_GET,        /* can dump */
21         VDPA_CMD_DEV_VSTATS_GET,
22 };
23
24 enum vdpa_attr {
25         VDPA_ATTR_UNSPEC,
26
27         /* Pad attribute for 64b alignment */
28         VDPA_ATTR_PAD = VDPA_ATTR_UNSPEC,
29
30         /* bus name (optional) + dev name together make the parent device handle */
31         VDPA_ATTR_MGMTDEV_BUS_NAME,             /* string */
32         VDPA_ATTR_MGMTDEV_DEV_NAME,             /* string */
33         VDPA_ATTR_MGMTDEV_SUPPORTED_CLASSES,    /* u64 */
34
35         VDPA_ATTR_DEV_NAME,                     /* string */
36         VDPA_ATTR_DEV_ID,                       /* u32 */
37         VDPA_ATTR_DEV_VENDOR_ID,                /* u32 */
38         VDPA_ATTR_DEV_MAX_VQS,                  /* u32 */
39         VDPA_ATTR_DEV_MAX_VQ_SIZE,              /* u16 */
40         VDPA_ATTR_DEV_MIN_VQ_SIZE,              /* u16 */
41
42         VDPA_ATTR_DEV_NET_CFG_MACADDR,          /* binary */
43         VDPA_ATTR_DEV_NET_STATUS,               /* u8 */
44         VDPA_ATTR_DEV_NET_CFG_MAX_VQP,          /* u16 */
45         VDPA_ATTR_DEV_NET_CFG_MTU,              /* u16 */
46
47         VDPA_ATTR_DEV_NEGOTIATED_FEATURES,      /* u64 */
48         VDPA_ATTR_DEV_MGMTDEV_MAX_VQS,          /* u32 */
49         /* virtio features that are supported by the vDPA management device */
50         VDPA_ATTR_DEV_SUPPORTED_FEATURES,       /* u64 */
51
52         VDPA_ATTR_DEV_QUEUE_INDEX,              /* u32 */
53         VDPA_ATTR_DEV_VENDOR_ATTR_NAME,         /* string */
54         VDPA_ATTR_DEV_VENDOR_ATTR_VALUE,        /* u64 */
55
56         /* virtio features that are provisioned to the vDPA device */
57         VDPA_ATTR_DEV_FEATURES,                 /* u64 */
58
59         VDPA_ATTR_DEV_BLK_CFG_CAPACITY,         /* u64 */
60         VDPA_ATTR_DEV_BLK_CFG_SIZE_MAX,         /* u32 */
61         VDPA_ATTR_DEV_BLK_CFG_BLK_SIZE,         /* u32 */
62         VDPA_ATTR_DEV_BLK_CFG_SEG_MAX,          /* u32 */
63         VDPA_ATTR_DEV_BLK_CFG_NUM_QUEUES,       /* u16 */
64         VDPA_ATTR_DEV_BLK_CFG_PHY_BLK_EXP,      /* u8 */
65         VDPA_ATTR_DEV_BLK_CFG_ALIGN_OFFSET,     /* u8 */
66         VDPA_ATTR_DEV_BLK_CFG_MIN_IO_SIZE,      /* u16 */
67         VDPA_ATTR_DEV_BLK_CFG_OPT_IO_SIZE,      /* u32 */
68         VDPA_ATTR_DEV_BLK_CFG_MAX_DISCARD_SEC,  /* u32 */
69         VDPA_ATTR_DEV_BLK_CFG_MAX_DISCARD_SEG,  /* u32 */
70         VDPA_ATTR_DEV_BLK_CFG_DISCARD_SEC_ALIGN,/* u32 */
71         VDPA_ATTR_DEV_BLK_CFG_MAX_WRITE_ZEROES_SEC,     /* u32 */
72         VDPA_ATTR_DEV_BLK_CFG_MAX_WRITE_ZEROES_SEG,     /* u32 */
73         VDPA_ATTR_DEV_BLK_READ_ONLY,            /* u8 */
74         VDPA_ATTR_DEV_BLK_FLUSH,                /* u8 */
75
76         /* new attributes must be added above here */
77         VDPA_ATTR_MAX,
78 };
79
80 #endif