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 81