/* amdgpu_drm.h -- Public header for the amdgpu driver -*- linux-c -*-
 *
 * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
 * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
 * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
 * Copyright 2014 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors:
 *    Kevin E. Martin <martin@valinux.com>
 *    Gareth Hughes <gareth@valinux.com>
 *    Keith Whitwell <keith@tungstengraphics.com>
 */

#ifndef __AMDGPU_DRM_H__
#define __AMDGPU_DRM_H__

#include "drm.h"

#if defined(__cplusplus)
extern "C" {
#endif

#define DRM_AMDGPU_GEM_CREATE           0x00
#define DRM_AMDGPU_GEM_MMAP             0x01
#define DRM_AMDGPU_CTX                  0x02
#define DRM_AMDGPU_BO_LIST              0x03
#define DRM_AMDGPU_CS                   0x04
#define DRM_AMDGPU_INFO                 0x05
#define DRM_AMDGPU_GEM_METADATA         0x06
#define DRM_AMDGPU_GEM_WAIT_IDLE        0x07
#define DRM_AMDGPU_GEM_VA               0x08
#define DRM_AMDGPU_WAIT_CS              0x09
#define DRM_AMDGPU_GEM_OP               0x10
#define DRM_AMDGPU_GEM_USERPTR          0x11

#define DRM_IOCTL_AMDGPU_GEM_CREATE     DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_CREATE, union drm_amdgpu_gem_create)
#define DRM_IOCTL_AMDGPU_GEM_MMAP       DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_MMAP, union drm_amdgpu_gem_mmap)
#define DRM_IOCTL_AMDGPU_CTX            DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_CTX, union drm_amdgpu_ctx)
#define DRM_IOCTL_AMDGPU_BO_LIST        DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_BO_LIST, union drm_amdgpu_bo_list)
#define DRM_IOCTL_AMDGPU_CS             DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_CS, union drm_amdgpu_cs)
#define DRM_IOCTL_AMDGPU_INFO           DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_INFO, struct drm_amdgpu_info)
#define DRM_IOCTL_AMDGPU_GEM_METADATA   DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_METADATA, struct drm_amdgpu_gem_metadata)
#define DRM_IOCTL_AMDGPU_GEM_WAIT_IDLE  DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_WAIT_IDLE, union drm_amdgpu_gem_wait_idle)
#define DRM_IOCTL_AMDGPU_GEM_VA         DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_VA, struct drm_amdgpu_gem_va)
#define DRM_IOCTL_AMDGPU_WAIT_CS        DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_WAIT_CS, union drm_amdgpu_wait_cs)
#define DRM_IOCTL_AMDGPU_GEM_OP         DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_OP, struct drm_amdgpu_gem_op)
#define DRM_IOCTL_AMDGPU_GEM_USERPTR    DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_USERPTR, struct drm_amdgpu_gem_userptr)

#define AMDGPU_GEM_DOMAIN_CPU           0x1
#define AMDGPU_GEM_DOMAIN_GTT           0x2
#define AMDGPU_GEM_DOMAIN_VRAM          0x4
#define AMDGPU_GEM_DOMAIN_GDS           0x8
#define AMDGPU_GEM_DOMAIN_GWS           0x10
#define AMDGPU_GEM_DOMAIN_OA            0x20

/* Flag that CPU access will be required for the case of VRAM domain */
#define AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED   (1 << 0)
/* Flag that CPU access will not work, this VRAM domain is invisible */
#define AMDGPU_GEM_CREATE_NO_CPU_ACCESS         (1 << 1)
/* Flag that USWC attributes should be used for GTT */
#define AMDGPU_GEM_CREATE_CPU_GTT_USWC          (1 << 2)
/* Flag that the memory should be in VRAM and cleared */
#define AMDGPU_GEM_CREATE_VRAM_CLEARED          (1 << 3)
/* Flag that create shadow bo(GTT) while allocating vram bo */
#define AMDGPU_GEM_CREATE_SHADOW                (1 << 4)

struct drm_amdgpu_gem_create_in  {
        /** the requested memory size */
        __u64 bo_size;
        /** physical start_addr alignment in bytes for some HW requirements */
        __u64 alignment;
        /** the requested memory domains */
        __u64 domains;
        /** allocation flags */
        __u64 domain_flags;
};

struct drm_amdgpu_gem_create_out  {
        /** returned GEM object handle */
        __u32 handle;
        __u32 _pad;
};

union drm_amdgpu_gem_create {
        struct drm_amdgpu_gem_create_in         in;
        struct drm_amdgpu_gem_create_out        out;
};

/** Opcode to create new residency list.  */
#define AMDGPU_BO_LIST_OP_CREATE        0
/** Opcode to destroy previously created residency list */
#define AMDGPU_BO_LIST_OP_DESTROY       1
/** Opcode to update resource information in the list */
#define AMDGPU_BO_LIST_OP_UPDATE        2

struct drm_amdgpu_bo_list_in {
        /** Type of operation */
        __u32 operation;
        /** Handle of list or 0 if we want to create one */
        __u32 list_handle;
        /** Number of BOs in list  */
        __u32 bo_number;
        /** Size of each element describing BO */
        __u32 bo_info_size;
        /** Pointer to array describing BOs */
        __u64 bo_info_ptr;
};

struct drm_amdgpu_bo_list_entry {
        /** Handle of BO */
        __u32 bo_handle;
        /** New (if specified) BO priority to be used during migration */
        __u32 bo_priority;
};

struct drm_amdgpu_bo_list_out {
        /** Handle of resource list  */
        __u32 list_handle;
        __u32 _pad;
};

union drm_amdgpu_bo_list {
        struct drm_amdgpu_bo_list_in in;
        struct drm_amdgpu_bo_list_out out;
};

/* context related */
#define AMDGPU_CTX_OP_ALLOC_CTX 1
#define AMDGPU_CTX_OP_FREE_CTX  2
#define AMDGPU_CTX_OP_QUERY_STATE       3

/* GPU reset status */
#define AMDGPU_CTX_NO_RESET             0
/* this the context caused it */
#define AMDGPU_CTX_GUILTY_RESET         1
/* some other context caused it */
#define AMDGPU_CTX_INNOCENT_RESET       2
/* unknown cause */
#define AMDGPU_CTX_UNKNOWN_RESET        3

struct drm_amdgpu_ctx_in {
        /** AMDGPU_CTX_OP_* */
        __u32   op;
        /** For future use, no flags defined so far */
        __u32   flags;
        __u32   ctx_id;
        __u32   _pad;
};

union drm_amdgpu_ctx_out {
                struct {
                        __u32   ctx_id;
                        __u32   _pad;
                } alloc;

                struct {
                        /** For future use, no flags defined so far */
                        __u64   flags;
                        /** Number of resets caused by this context so far. */
                        __u32   hangs;
                        /** Reset status since the last call of the ioctl. */
                        __u32   reset_status;
                } state;
};

union drm_amdgpu_ctx {
        struct drm_amdgpu_ctx_in in;
        union drm_amdgpu_ctx_out out;
};

/*
 * This is not a reliable API and you should expect it to fail for any
 * number of reasons and have fallback path that do not use userptr to
 * perform any operation.
 */
#define AMDGPU_GEM_USERPTR_READONLY     (1 << 0)
#define AMDGPU_GEM_USERPTR_ANONONLY     (1 << 1)
#define AMDGPU_GEM_USERPTR_VALIDATE     (1 << 2)
#define AMDGPU_GEM_USERPTR_REGISTER     (1 << 3)

struct drm_amdgpu_gem_userptr {
        __u64           addr;
        __u64           size;
        /* AMDGPU_GEM_USERPTR_* */
        __u32           flags;
        /* Resulting GEM handle */
        __u32           handle;
};

/* same meaning as the GB_TILE_MODE and GL_MACRO_TILE_MODE fields */
#define AMDGPU_TILING_ARRAY_MODE_SHIFT                  0
#define AMDGPU_TILING_ARRAY_MODE_MASK                   0xf
#define AMDGPU_TILING_PIPE_CONFIG_SHIFT                 4
#define AMDGPU_TILING_PIPE_CONFIG_MASK                  0x1f
#define AMDGPU_TILING_TILE_SPLIT_SHIFT                  9
#define AMDGPU_TILING_TILE_SPLIT_MASK                   0x7
#define AMDGPU_TILING_MICRO_TILE_MODE_SHIFT             12
#define AMDGPU_TILING_MICRO_TILE_MODE_MASK              0x7
#define AMDGPU_TILING_BANK_WIDTH_SHIFT                  15
#define AMDGPU_TILING_BANK_WIDTH_MASK                   0x3
#define AMDGPU_TILING_BANK_HEIGHT_SHIFT                 17
#define AMDGPU_TILING_BANK_HEIGHT_MASK                  0x3
#define AMDGPU_TILING_MACRO_TILE_ASPECT_SHIFT           19
#define AMDGPU_TILING_MACRO_TILE_ASPECT_MASK            0x3
#define AMDGPU_TILING_NUM_BANKS_SHIFT                   21
#define AMDGPU_TILING_NUM_BANKS_MASK                    0x3

#define AMDGPU_TILING_SET(field, value) \
        (((value) & AMDGPU_TILING_##field##_MASK) << AMDGPU_TILING_##field##_SHIFT)
#define AMDGPU_TILING_GET(value, field) \
        (((value) >> AMDGPU_TILING_##field##_SHIFT) & AMDGPU_TILING_##field##_MASK)

#define AMDGPU_GEM_METADATA_OP_SET_METADATA                  1
#define AMDGPU_GEM_METADATA_OP_GET_METADATA                  2

/** The same structure is shared for input/output */
struct drm_amdgpu_gem_metadata {
        /** GEM Object handle */
        __u32   handle;
        /** Do we want get or set metadata */
        __u32   op;
        struct {
                /** For future use, no flags defined so far */
                __u64   flags;
                /** family specific tiling info */
                __u64   tiling_info;
                __u32   data_size_bytes;
                __u32   data[64];
        } data;
};

struct drm_amdgpu_gem_mmap_in {
        /** the GEM object handle */
        __u32 handle;
        __u32 _pad;
};

struct drm_amdgpu_gem_mmap_out {
        /** mmap offset from the vma offset manager */
        __u64 addr_ptr;
};

union drm_amdgpu_gem_mmap {
        struct drm_amdgpu_gem_mmap_in   in;
        struct drm_amdgpu_gem_mmap_out out;
};

struct drm_amdgpu_gem_wait_idle_in {
        /** GEM object handle */
        __u32 handle;
        /** For future use, no flags defined so far */
        __u32 flags;
        /** Absolute timeout to wait */
        __u64 timeout;
};

struct drm_amdgpu_gem_wait_idle_out {
        /** BO status:  0 - BO is idle, 1 - BO is busy */
        __u32 status;
        /** Returned current memory domain */
        __u32 domain;
};

union drm_amdgpu_gem_wait_idle {
        struct drm_amdgpu_gem_wait_idle_in  in;
        struct drm_amdgpu_gem_wait_idle_out out;
};

struct drm_amdgpu_wait_cs_in {
        /** Command submission handle */
        __u64 handle;
        /** Absolute timeout to wait */
        __u64 timeout;
        __u32 ip_type;
        __u32 ip_instance;
        __u32 ring;
        __u32 ctx_id;
};

struct drm_amdgpu_wait_cs_out {
        /** CS status:  0 - CS completed, 1 - CS still busy */
        __u64 status;
};

union drm_amdgpu_wait_cs {
        struct drm_amdgpu_wait_cs_in in;
        struct drm_amdgpu_wait_cs_out out;
};

#define AMDGPU_GEM_OP_GET_GEM_CREATE_INFO       0
#define AMDGPU_GEM_OP_SET_PLACEMENT             1

/* Sets or returns a value associated with a buffer. */
struct drm_amdgpu_gem_op {
        /** GEM object handle */
        __u32   handle;
        /** AMDGPU_GEM_OP_* */
        __u32   op;
        /** Input or return value */
        __u64   value;
};

#define AMDGPU_VA_OP_MAP                        1
#define AMDGPU_VA_OP_UNMAP                      2

/* Delay the page table update till the next CS */
#define AMDGPU_VM_DELAY_UPDATE          (1 << 0)

/* Mapping flags */
/* readable mapping */
#define AMDGPU_VM_PAGE_READABLE         (1 << 1)
/* writable mapping */
#define AMDGPU_VM_PAGE_WRITEABLE        (1 << 2)
/* executable mapping, new for VI */
#define AMDGPU_VM_PAGE_EXECUTABLE       (1 << 3)

struct drm_amdgpu_gem_va {
        /** GEM object handle */
        __u32 handle;
        __u32 _pad;
        /** AMDGPU_VA_OP_* */
        __u32 operation;
        /** AMDGPU_VM_PAGE_* */
        __u32 flags;
        /** va address to assign . Must be correctly aligned.*/
        __u64 va_address;
        /** Specify offset inside of BO to assign. Must be correctly aligned.*/
        __u64 offset_in_bo;
        /** Specify mapping size. Must be correctly aligned. */
        __u64 map_size;
};

#define AMDGPU_HW_IP_GFX          0
#define AMDGPU_HW_IP_COMPUTE      1
#define AMDGPU_HW_IP_DMA          2
#define AMDGPU_HW_IP_UVD          3
#define AMDGPU_HW_IP_VCE          4
#define AMDGPU_HW_IP_NUM          5

#define AMDGPU_HW_IP_INSTANCE_MAX_COUNT 1

#define AMDGPU_CHUNK_ID_IB              0x01
#define AMDGPU_CHUNK_ID_FENCE           0x02
#define AMDGPU_CHUNK_ID_DEPENDENCIES    0x03

struct drm_amdgpu_cs_chunk {
        __u32           chunk_id;
        __u32           length_dw;
        __u64           chunk_data;
};

struct drm_amdgpu_cs_in {
        /** Rendering context id */
        __u32           ctx_id;
        /**  Handle of resource list associated with CS */
        __u32           bo_list_handle;
        __u32           num_chunks;
        __u32           _pad;
        /** this points to __u64 * which point to cs chunks */
        __u64           chunks;
};

struct drm_amdgpu_cs_out {
        __u64 handle;
};

union drm_amdgpu_cs {
        struct drm_amdgpu_cs_in in;
        struct drm_amdgpu_cs_out out;
};

/* Specify flags to be used for IB */

/* This IB should be submitted to CE */
#define AMDGPU_IB_FLAG_CE       (1<<0)

/* CE Preamble */
#define AMDGPU_IB_FLAG_PREAMBLE (1<<1)

struct drm_amdgpu_cs_chunk_ib {
        __u32 _pad;
        /** AMDGPU_IB_FLAG_* */
        __u32 flags;
        /** Virtual address to begin IB execution */
        __u64 va_start;
        /** Size of submission */
        __u32 ib_bytes;
        /** HW IP to submit to */
        __u32 ip_type;
        /** HW IP index of the same type to submit to  */
        __u32 ip_instance;
        /** Ring index to submit to */
        __u32 ring;
};

struct drm_amdgpu_cs_chunk_dep {
        __u32 ip_type;
        __u32 ip_instance;
        __u32 ring;
        __u32 ctx_id;
        __u64 handle;
};

struct drm_amdgpu_cs_chunk_fence {
        __u32 handle;
        __u32 offset;
};

struct drm_amdgpu_cs_chunk_data {
        union {
                struct drm_amdgpu_cs_chunk_ib           ib_data;
                struct drm_amdgpu_cs_chunk_fence        fence_data;
        };
};

/**
 *  Query h/w info: Flag that this is integrated (a.h.a. fusion) GPU
 *
 */
#define AMDGPU_IDS_FLAGS_FUSION         0x1

/* indicate if acceleration can be working */
#define AMDGPU_INFO_ACCEL_WORKING               0x00
/* get the crtc_id from the mode object id? */
#define AMDGPU_INFO_CRTC_FROM_ID                0x01
/* query hw IP info */
#define AMDGPU_INFO_HW_IP_INFO                  0x02
/* query hw IP instance count for the specified type */
#define AMDGPU_INFO_HW_IP_COUNT                 0x03
/* timestamp for GL_ARB_timer_query */
#define AMDGPU_INFO_TIMESTAMP                   0x05
/* Query the firmware version */
#define AMDGPU_INFO_FW_VERSION                  0x0e
        /* Subquery id: Query VCE firmware version */
        #define AMDGPU_INFO_FW_VCE              0x1
        /* Subquery id: Query UVD firmware version */
        #define AMDGPU_INFO_FW_UVD              0x2
        /* Subquery id: Query GMC firmware version */
        #define AMDGPU_INFO_FW_GMC              0x03
        /* Subquery id: Query GFX ME firmware version */
        #define AMDGPU_INFO_FW_GFX_ME           0x04
        /* Subquery id: Query GFX PFP firmware version */
        #define AMDGPU_INFO_FW_GFX_PFP          0x05
        /* Subquery id: Query GFX CE firmware version */
        #define AMDGPU_INFO_FW_GFX_CE           0x06
        /* Subquery id: Query GFX RLC firmware version */
        #define AMDGPU_INFO_FW_GFX_RLC          0x07
        /* Subquery id: Query GFX MEC firmware version */
        #define AMDGPU_INFO_FW_GFX_MEC          0x08
        /* Subquery id: Query SMC firmware version */
        #define AMDGPU_INFO_FW_SMC              0x0a
        /* Subquery id: Query SDMA firmware version */
        #define AMDGPU_INFO_FW_SDMA             0x0b
/* number of bytes moved for TTM migration */
#define AMDGPU_INFO_NUM_BYTES_MOVED             0x0f
/* the used VRAM size */
#define AMDGPU_INFO_VRAM_USAGE                  0x10
/* the used GTT size */
#define AMDGPU_INFO_GTT_USAGE                   0x11
/* Information about GDS, etc. resource configuration */
#define AMDGPU_INFO_GDS_CONFIG                  0x13
/* Query information about VRAM and GTT domains */
#define AMDGPU_INFO_VRAM_GTT                    0x14
/* Query information about register in MMR address space*/
#define AMDGPU_INFO_READ_MMR_REG                0x15
/* Query information about device: rev id, family, etc. */
#define AMDGPU_INFO_DEV_INFO                    0x16
/* visible vram usage */
#define AMDGPU_INFO_VIS_VRAM_USAGE              0x17
/* number of TTM buffer evictions */
#define AMDGPU_INFO_NUM_EVICTIONS               0x18

#define AMDGPU_INFO_MMR_SE_INDEX_SHIFT  0
#define AMDGPU_INFO_MMR_SE_INDEX_MASK   0xff
#define AMDGPU_INFO_MMR_SH_INDEX_SHIFT  8
#define AMDGPU_INFO_MMR_SH_INDEX_MASK   0xff

struct drm_amdgpu_query_fw {
        /** AMDGPU_INFO_FW_* */
        __u32 fw_type;
        /**
         * Index of the IP if there are more IPs of
         * the same type.
         */
        __u32 ip_instance;
        /**
         * Index of the engine. Whether this is used depends
         * on the firmware type. (e.g. MEC, SDMA)
         */
        __u32 index;
        __u32 _pad;
};

/* Input structure for the INFO ioctl */
struct drm_amdgpu_info {
        /* Where the return value will be stored */
        __u64 return_pointer;
        /* The size of the return value. Just like "size" in "snprintf",
         * it limits how many bytes the kernel can write. */
        __u32 return_size;
        /* The query request id. */
        __u32 query;

        union {
                struct {
                        __u32 id;
                        __u32 _pad;
                } mode_crtc;

                struct {
                        /** AMDGPU_HW_IP_* */
                        __u32 type;
                        /**
                         * Index of the IP if there are more IPs of the same
                         * type. Ignored by AMDGPU_INFO_HW_IP_COUNT.
                         */
                        __u32 ip_instance;
                } query_hw_ip;

                struct {
                        __u32 dword_offset;
                        /** number of registers to read */
                        __u32 count;
                        __u32 instance;
                        /** For future use, no flags defined so far */
                        __u32 flags;
                } read_mmr_reg;

                struct drm_amdgpu_query_fw query_fw;
        };
};

struct drm_amdgpu_info_gds {
        /** GDS GFX partition size */
        __u32 gds_gfx_partition_size;
        /** GDS compute partition size */
        __u32 compute_partition_size;
        /** total GDS memory size */
        __u32 gds_total_size;
        /** GWS size per GFX partition */
        __u32 gws_per_gfx_partition;
        /** GSW size per compute partition */
        __u32 gws_per_compute_partition;
        /** OA size per GFX partition */
        __u32 oa_per_gfx_partition;
        /** OA size per compute partition */
        __u32 oa_per_compute_partition;
        __u32 _pad;
};

struct drm_amdgpu_info_vram_gtt {
        __u64 vram_size;
        __u64 vram_cpu_accessible_size;
        __u64 gtt_size;
};

struct drm_amdgpu_info_firmware {
        __u32 ver;
        __u32 feature;
};

#define AMDGPU_VRAM_TYPE_UNKNOWN 0
#define AMDGPU_VRAM_TYPE_GDDR1 1
#define AMDGPU_VRAM_TYPE_DDR2  2
#define AMDGPU_VRAM_TYPE_GDDR3 3
#define AMDGPU_VRAM_TYPE_GDDR4 4
#define AMDGPU_VRAM_TYPE_GDDR5 5
#define AMDGPU_VRAM_TYPE_HBM   6
#define AMDGPU_VRAM_TYPE_DDR3  7

struct drm_amdgpu_info_device {
        /** PCI Device ID */
        __u32 device_id;
        /** Internal chip revision: A0, A1, etc.) */
        __u32 chip_rev;
        __u32 external_rev;
        /** Revision id in PCI Config space */
        __u32 pci_rev;
        __u32 family;
        __u32 num_shader_engines;
        __u32 num_shader_arrays_per_engine;
        /* in KHz */
        __u32 gpu_counter_freq;
        __u64 max_engine_clock;
        __u64 max_memory_clock;
        /* cu information */
        __u32 cu_active_number;
        __u32 cu_ao_mask;
        __u32 cu_bitmap[4][4];
        /** Render backend pipe mask. One render backend is CB+DB. */
        __u32 enabled_rb_pipes_mask;
        __u32 num_rb_pipes;
        __u32 num_hw_gfx_contexts;
        __u32 _pad;
        __u64 ids_flags;
        /** Starting virtual address for UMDs. */
        __u64 virtual_address_offset;
        /** The maximum virtual address */
        __u64 virtual_address_max;
        /** Required alignment of virtual addresses. */
        __u32 virtual_address_alignment;
        /** Page table entry - fragment size */
        __u32 pte_fragment_size;
        __u32 gart_page_size;
        /** constant engine ram size*/
        __u32 ce_ram_size;
        /** video memory type info*/
        __u32 vram_type;
        /** video memory bit width*/
        __u32 vram_bit_width;
        /* vce harvesting instance */
        __u32 vce_harvest_config;
};

struct drm_amdgpu_info_hw_ip {
        /** Version of h/w IP */
        __u32  hw_ip_version_major;
        __u32  hw_ip_version_minor;
        /** Capabilities */
        __u64  capabilities_flags;
        /** command buffer address start alignment*/
        __u32  ib_start_alignment;
        /** command buffer size alignment*/
        __u32  ib_size_alignment;
        /** Bitmask of available rings. Bit 0 means ring 0, etc. */
        __u32  available_rings;
        __u32  _pad;
};

/*
 * Supported GPU families
 */
#define AMDGPU_FAMILY_UNKNOWN                   0
#define AMDGPU_FAMILY_SI                        110 /* Hainan, Oland, Verde, Pitcairn, Tahiti */
#define AMDGPU_FAMILY_CI                        120 /* Bonaire, Hawaii */
#define AMDGPU_FAMILY_KV                        125 /* Kaveri, Kabini, Mullins */
#define AMDGPU_FAMILY_VI                        130 /* Iceland, Tonga */
#define AMDGPU_FAMILY_CZ                        135 /* Carrizo, Stoney */

#if defined(__cplusplus)
}
#endif

#endif