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 	VDPA_ATTR_DEV_FEATURES,                 /* u64 */
57 
58 	/* virtio features that are supported by the vDPA device */
59 	VDPA_ATTR_VDPA_DEV_SUPPORTED_FEATURES,	/* u64 */
60 
61 	/* new attributes must be added above here */
62 	VDPA_ATTR_MAX,
63 };
64 
65 #endif
66