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