/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
 * vdpa device management interface
 * Copyright (c) 2020 Mellanox Technologies Ltd. All rights reserved.
 */

#ifndef _UAPI_LINUX_VDPA_H_
#define _UAPI_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