xref: /openbmc/linux/include/uapi/linux/vdpa.h (revision ea68a3e9d14e9e0bf017d178fb4bd53b6deb1482)
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  	/* new attributes must be added above here */
60  	VDPA_ATTR_MAX,
61  };
62  
63  #endif
64