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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
* vdpa device management interface
* Copyright (c) 2020 Mellanox Technologies Ltd. All rights reserved.
*/
#ifndef _LINUX_VDPA_H_
#define _LINUX_VDPA_H_
#define VDPA_GENL_NAME "vdpa"
#define VDPA_GENL_VERSION 0x1
enum vdpa_command {
VDPA_CMD_UNSPEC,
VDPA_CMD_MGMTDEV_NEW,
VDPA_CMD_MGMTDEV_GET, /* can dump */
VDPA_CMD_DEV_NEW,
VDPA_CMD_DEV_DEL,
VDPA_CMD_DEV_GET, /* can dump */
VDPA_CMD_DEV_CONFIG_GET, /* can dump */
VDPA_CMD_DEV_VSTATS_GET,
VDPA_CMD_DEV_ATTR_SET,
};
enum vdpa_attr {
VDPA_ATTR_UNSPEC,
/* Pad attribute for 64b alignment */
VDPA_ATTR_PAD = VDPA_ATTR_UNSPEC,
/* bus name (optional) + dev name together make the parent device handle
*/
VDPA_ATTR_MGMTDEV_BUS_NAME, /* string */
VDPA_ATTR_MGMTDEV_DEV_NAME, /* string */
VDPA_ATTR_MGMTDEV_SUPPORTED_CLASSES, /* u64 */
VDPA_ATTR_DEV_NAME, /* string */
VDPA_ATTR_DEV_ID, /* u32 */
VDPA_ATTR_DEV_VENDOR_ID, /* u32 */
VDPA_ATTR_DEV_MAX_VQS, /* u32 */
VDPA_ATTR_DEV_MAX_VQ_SIZE, /* u16 */
VDPA_ATTR_DEV_MIN_VQ_SIZE, /* u16 */
VDPA_ATTR_DEV_NET_CFG_MACADDR, /* binary */
VDPA_ATTR_DEV_NET_STATUS, /* u8 */
VDPA_ATTR_DEV_NET_CFG_MAX_VQP, /* u16 */
VDPA_ATTR_DEV_NET_CFG_MTU, /* u16 */
VDPA_ATTR_DEV_NEGOTIATED_FEATURES, /* u64 */
VDPA_ATTR_DEV_MGMTDEV_MAX_VQS, /* u32 */
/* virtio features that are supported by the vDPA management device */
VDPA_ATTR_DEV_SUPPORTED_FEATURES, /* u64 */
VDPA_ATTR_DEV_QUEUE_INDEX, /* u32 */
VDPA_ATTR_DEV_VENDOR_ATTR_NAME, /* string */
VDPA_ATTR_DEV_VENDOR_ATTR_VALUE, /* u64 */
/* virtio features that are provisioned to the vDPA device */
VDPA_ATTR_DEV_FEATURES, /* u64 */
VDPA_ATTR_DEV_BLK_CFG_CAPACITY, /* u64 */
VDPA_ATTR_DEV_BLK_CFG_SIZE_MAX, /* u32 */
VDPA_ATTR_DEV_BLK_CFG_BLK_SIZE, /* u32 */
VDPA_ATTR_DEV_BLK_CFG_SEG_MAX, /* u32 */
VDPA_ATTR_DEV_BLK_CFG_NUM_QUEUES, /* u16 */
VDPA_ATTR_DEV_BLK_CFG_PHY_BLK_EXP, /* u8 */
VDPA_ATTR_DEV_BLK_CFG_ALIGN_OFFSET, /* u8 */
VDPA_ATTR_DEV_BLK_CFG_MIN_IO_SIZE, /* u16 */
VDPA_ATTR_DEV_BLK_CFG_OPT_IO_SIZE, /* u32 */
VDPA_ATTR_DEV_BLK_CFG_MAX_DISCARD_SEC, /* u32 */
VDPA_ATTR_DEV_BLK_CFG_MAX_DISCARD_SEG, /* u32 */
VDPA_ATTR_DEV_BLK_CFG_DISCARD_SEC_ALIGN, /* u32 */
VDPA_ATTR_DEV_BLK_CFG_MAX_WRITE_ZEROES_SEC, /* u32 */
VDPA_ATTR_DEV_BLK_CFG_MAX_WRITE_ZEROES_SEG, /* u32 */
VDPA_ATTR_DEV_BLK_READ_ONLY, /* u8 */
VDPA_ATTR_DEV_BLK_FLUSH, /* u8 */
/* new attributes must be added above here */
VDPA_ATTR_MAX,
};
#endif
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