1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linu 1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 /* 2 /*
3 * vdpa device management interface 3 * vdpa device management interface
4 * Copyright (c) 2020 Mellanox Technologies Lt 4 * Copyright (c) 2020 Mellanox Technologies Ltd. All rights reserved.
5 */ 5 */
6 6
7 #ifndef _UAPI_LINUX_VDPA_H_ 7 #ifndef _UAPI_LINUX_VDPA_H_
8 #define _UAPI_LINUX_VDPA_H_ 8 #define _UAPI_LINUX_VDPA_H_
9 9
10 #define VDPA_GENL_NAME "vdpa" 10 #define VDPA_GENL_NAME "vdpa"
11 #define VDPA_GENL_VERSION 0x1 11 #define VDPA_GENL_VERSION 0x1
12 12
13 enum vdpa_command { 13 enum vdpa_command {
14 VDPA_CMD_UNSPEC, 14 VDPA_CMD_UNSPEC,
15 VDPA_CMD_MGMTDEV_NEW, 15 VDPA_CMD_MGMTDEV_NEW,
16 VDPA_CMD_MGMTDEV_GET, /* can 16 VDPA_CMD_MGMTDEV_GET, /* can dump */
17 VDPA_CMD_DEV_NEW, 17 VDPA_CMD_DEV_NEW,
18 VDPA_CMD_DEV_DEL, 18 VDPA_CMD_DEV_DEL,
19 VDPA_CMD_DEV_GET, /* can 19 VDPA_CMD_DEV_GET, /* can dump */
20 VDPA_CMD_DEV_CONFIG_GET, /* can 20 VDPA_CMD_DEV_CONFIG_GET, /* can dump */
21 VDPA_CMD_DEV_VSTATS_GET, 21 VDPA_CMD_DEV_VSTATS_GET,
22 VDPA_CMD_DEV_ATTR_SET, 22 VDPA_CMD_DEV_ATTR_SET,
23 }; 23 };
24 24
25 enum vdpa_attr { 25 enum vdpa_attr {
26 VDPA_ATTR_UNSPEC, 26 VDPA_ATTR_UNSPEC,
27 27
28 /* Pad attribute for 64b alignment */ 28 /* Pad attribute for 64b alignment */
29 VDPA_ATTR_PAD = VDPA_ATTR_UNSPEC, 29 VDPA_ATTR_PAD = VDPA_ATTR_UNSPEC,
30 30
31 /* bus name (optional) + dev name toge 31 /* bus name (optional) + dev name together make the parent device handle */
32 VDPA_ATTR_MGMTDEV_BUS_NAME, 32 VDPA_ATTR_MGMTDEV_BUS_NAME, /* string */
33 VDPA_ATTR_MGMTDEV_DEV_NAME, 33 VDPA_ATTR_MGMTDEV_DEV_NAME, /* string */
34 VDPA_ATTR_MGMTDEV_SUPPORTED_CLASSES, 34 VDPA_ATTR_MGMTDEV_SUPPORTED_CLASSES, /* u64 */
35 35
36 VDPA_ATTR_DEV_NAME, 36 VDPA_ATTR_DEV_NAME, /* string */
37 VDPA_ATTR_DEV_ID, 37 VDPA_ATTR_DEV_ID, /* u32 */
38 VDPA_ATTR_DEV_VENDOR_ID, 38 VDPA_ATTR_DEV_VENDOR_ID, /* u32 */
39 VDPA_ATTR_DEV_MAX_VQS, 39 VDPA_ATTR_DEV_MAX_VQS, /* u32 */
40 VDPA_ATTR_DEV_MAX_VQ_SIZE, 40 VDPA_ATTR_DEV_MAX_VQ_SIZE, /* u16 */
41 VDPA_ATTR_DEV_MIN_VQ_SIZE, 41 VDPA_ATTR_DEV_MIN_VQ_SIZE, /* u16 */
42 42
43 VDPA_ATTR_DEV_NET_CFG_MACADDR, 43 VDPA_ATTR_DEV_NET_CFG_MACADDR, /* binary */
44 VDPA_ATTR_DEV_NET_STATUS, 44 VDPA_ATTR_DEV_NET_STATUS, /* u8 */
45 VDPA_ATTR_DEV_NET_CFG_MAX_VQP, 45 VDPA_ATTR_DEV_NET_CFG_MAX_VQP, /* u16 */
46 VDPA_ATTR_DEV_NET_CFG_MTU, 46 VDPA_ATTR_DEV_NET_CFG_MTU, /* u16 */
47 47
48 VDPA_ATTR_DEV_NEGOTIATED_FEATURES, 48 VDPA_ATTR_DEV_NEGOTIATED_FEATURES, /* u64 */
49 VDPA_ATTR_DEV_MGMTDEV_MAX_VQS, 49 VDPA_ATTR_DEV_MGMTDEV_MAX_VQS, /* u32 */
50 /* virtio features that are supported 50 /* virtio features that are supported by the vDPA management device */
51 VDPA_ATTR_DEV_SUPPORTED_FEATURES, 51 VDPA_ATTR_DEV_SUPPORTED_FEATURES, /* u64 */
52 52
53 VDPA_ATTR_DEV_QUEUE_INDEX, 53 VDPA_ATTR_DEV_QUEUE_INDEX, /* u32 */
54 VDPA_ATTR_DEV_VENDOR_ATTR_NAME, 54 VDPA_ATTR_DEV_VENDOR_ATTR_NAME, /* string */
55 VDPA_ATTR_DEV_VENDOR_ATTR_VALUE, 55 VDPA_ATTR_DEV_VENDOR_ATTR_VALUE, /* u64 */
56 56
57 /* virtio features that are provisione 57 /* virtio features that are provisioned to the vDPA device */
58 VDPA_ATTR_DEV_FEATURES, 58 VDPA_ATTR_DEV_FEATURES, /* u64 */
59 59
60 VDPA_ATTR_DEV_BLK_CFG_CAPACITY, 60 VDPA_ATTR_DEV_BLK_CFG_CAPACITY, /* u64 */
61 VDPA_ATTR_DEV_BLK_CFG_SIZE_MAX, 61 VDPA_ATTR_DEV_BLK_CFG_SIZE_MAX, /* u32 */
62 VDPA_ATTR_DEV_BLK_CFG_BLK_SIZE, 62 VDPA_ATTR_DEV_BLK_CFG_BLK_SIZE, /* u32 */
63 VDPA_ATTR_DEV_BLK_CFG_SEG_MAX, 63 VDPA_ATTR_DEV_BLK_CFG_SEG_MAX, /* u32 */
64 VDPA_ATTR_DEV_BLK_CFG_NUM_QUEUES, 64 VDPA_ATTR_DEV_BLK_CFG_NUM_QUEUES, /* u16 */
65 VDPA_ATTR_DEV_BLK_CFG_PHY_BLK_EXP, 65 VDPA_ATTR_DEV_BLK_CFG_PHY_BLK_EXP, /* u8 */
66 VDPA_ATTR_DEV_BLK_CFG_ALIGN_OFFSET, 66 VDPA_ATTR_DEV_BLK_CFG_ALIGN_OFFSET, /* u8 */
67 VDPA_ATTR_DEV_BLK_CFG_MIN_IO_SIZE, 67 VDPA_ATTR_DEV_BLK_CFG_MIN_IO_SIZE, /* u16 */
68 VDPA_ATTR_DEV_BLK_CFG_OPT_IO_SIZE, 68 VDPA_ATTR_DEV_BLK_CFG_OPT_IO_SIZE, /* u32 */
69 VDPA_ATTR_DEV_BLK_CFG_MAX_DISCARD_SEC, 69 VDPA_ATTR_DEV_BLK_CFG_MAX_DISCARD_SEC, /* u32 */
70 VDPA_ATTR_DEV_BLK_CFG_MAX_DISCARD_SEG, 70 VDPA_ATTR_DEV_BLK_CFG_MAX_DISCARD_SEG, /* u32 */
71 VDPA_ATTR_DEV_BLK_CFG_DISCARD_SEC_ALIG 71 VDPA_ATTR_DEV_BLK_CFG_DISCARD_SEC_ALIGN,/* u32 */
72 VDPA_ATTR_DEV_BLK_CFG_MAX_WRITE_ZEROES 72 VDPA_ATTR_DEV_BLK_CFG_MAX_WRITE_ZEROES_SEC, /* u32 */
73 VDPA_ATTR_DEV_BLK_CFG_MAX_WRITE_ZEROES 73 VDPA_ATTR_DEV_BLK_CFG_MAX_WRITE_ZEROES_SEG, /* u32 */
74 VDPA_ATTR_DEV_BLK_READ_ONLY, 74 VDPA_ATTR_DEV_BLK_READ_ONLY, /* u8 */
75 VDPA_ATTR_DEV_BLK_FLUSH, 75 VDPA_ATTR_DEV_BLK_FLUSH, /* u8 */
76 76
77 /* new attributes must be added above 77 /* new attributes must be added above here */
78 VDPA_ATTR_MAX, 78 VDPA_ATTR_MAX,
79 }; 79 };
80 80
81 #endif 81 #endif
82 82
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.