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IABSD.fr/xenocara/lib/mesa/include/drm-uapi/amdgpu_drm.h

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  • Author : jsg
    Date : 2025-06-05 14:17:56
    Hash : 452696b8
    Message : Merge Mesa 25.0.7

  • lib/mesa/include/drm-uapi/amdgpu_drm.h
  • /* 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_AMDGPU_WAIT_FENCES		0x12
    #define DRM_AMDGPU_VM			0x13
    #define DRM_AMDGPU_FENCE_TO_HANDLE	0x14
    #define DRM_AMDGPU_SCHED		0x15
    #define DRM_AMDGPU_USERQ		0x16
    #define DRM_AMDGPU_USERQ_SIGNAL		0x17
    #define DRM_AMDGPU_USERQ_WAIT		0x18
    
    #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 DRM_IOCTL_AMDGPU_WAIT_FENCES	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_WAIT_FENCES, union drm_amdgpu_wait_fences)
    #define DRM_IOCTL_AMDGPU_VM		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_VM, union drm_amdgpu_vm)
    #define DRM_IOCTL_AMDGPU_FENCE_TO_HANDLE DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_FENCE_TO_HANDLE, union drm_amdgpu_fence_to_handle)
    #define DRM_IOCTL_AMDGPU_SCHED		DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_SCHED, union drm_amdgpu_sched)
    #define DRM_IOCTL_AMDGPU_USERQ		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_USERQ, union drm_amdgpu_userq)
    #define DRM_IOCTL_AMDGPU_USERQ_SIGNAL	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_USERQ_SIGNAL, struct drm_amdgpu_userq_signal)
    #define DRM_IOCTL_AMDGPU_USERQ_WAIT	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_USERQ_WAIT, struct drm_amdgpu_userq_wait)
    
    /**
     * DOC: memory domains
     *
     * %AMDGPU_GEM_DOMAIN_CPU	System memory that is not GPU accessible.
     * Memory in this pool could be swapped out to disk if there is pressure.
     *
     * %AMDGPU_GEM_DOMAIN_GTT	GPU accessible system memory, mapped into the
     * GPU's virtual address space via gart. Gart memory linearizes non-contiguous
     * pages of system memory, allows GPU access system memory in a linearized
     * fashion.
     *
     * %AMDGPU_GEM_DOMAIN_VRAM	Local video memory. For APUs, it is memory
     * carved out by the BIOS.
     *
     * %AMDGPU_GEM_DOMAIN_GDS	Global on-chip data storage used to share data
     * across shader threads.
     *
     * %AMDGPU_GEM_DOMAIN_GWS	Global wave sync, used to synchronize the
     * execution of all the waves on a device.
     *
     * %AMDGPU_GEM_DOMAIN_OA	Ordered append, used by 3D or Compute engines
     * for appending data.
     *
     * %AMDGPU_GEM_DOMAIN_DOORBELL	Doorbell. It is an MMIO region for
     * signalling user mode queues.
     */
    #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
    #define AMDGPU_GEM_DOMAIN_DOORBELL	0x40
    #define AMDGPU_GEM_DOMAIN_MASK		(AMDGPU_GEM_DOMAIN_CPU | \
    					 AMDGPU_GEM_DOMAIN_GTT | \
    					 AMDGPU_GEM_DOMAIN_VRAM | \
    					 AMDGPU_GEM_DOMAIN_GDS | \
    					 AMDGPU_GEM_DOMAIN_GWS | \
    					 AMDGPU_GEM_DOMAIN_OA | \
    					 AMDGPU_GEM_DOMAIN_DOORBELL)
    
    /* 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 allocating the BO should use linear VRAM */
    #define AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS	(1 << 5)
    /* Flag that BO is always valid in this VM */
    #define AMDGPU_GEM_CREATE_VM_ALWAYS_VALID	(1 << 6)
    /* Flag that BO sharing will be explicitly synchronized */
    #define AMDGPU_GEM_CREATE_EXPLICIT_SYNC		(1 << 7)
    /* Flag that indicates allocating MQD gart on GFX9, where the mtype
     * for the second page onward should be set to NC. It should never
     * be used by user space applications.
     */
    #define AMDGPU_GEM_CREATE_CP_MQD_GFX9		(1 << 8)
    /* Flag that BO may contain sensitive data that must be wiped before
     * releasing the memory
     */
    #define AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE	(1 << 9)
    /* Flag that BO will be encrypted and that the TMZ bit should be
     * set in the PTEs when mapping this buffer via GPUVM or
     * accessing it with various hw blocks
     */
    #define AMDGPU_GEM_CREATE_ENCRYPTED		(1 << 10)
    /* Flag that BO will be used only in preemptible context, which does
     * not require GTT memory accounting
     */
    #define AMDGPU_GEM_CREATE_PREEMPTIBLE		(1 << 11)
    /* Flag that BO can be discarded under memory pressure without keeping the
     * content.
     */
    #define AMDGPU_GEM_CREATE_DISCARDABLE		(1 << 12)
    /* Flag that BO is shared coherently between multiple devices or CPU threads.
     * May depend on GPU instructions to flush caches to system scope explicitly.
     *
     * This influences the choice of MTYPE in the PTEs on GFXv9 and later GPUs and
     * may override the MTYPE selected in AMDGPU_VA_OP_MAP.
     */
    #define AMDGPU_GEM_CREATE_COHERENT		(1 << 13)
    /* Flag that BO should not be cached by GPU. Coherent without having to flush
     * GPU caches explicitly
     *
     * This influences the choice of MTYPE in the PTEs on GFXv9 and later GPUs and
     * may override the MTYPE selected in AMDGPU_VA_OP_MAP.
     */
    #define AMDGPU_GEM_CREATE_UNCACHED		(1 << 14)
    /* Flag that BO should be coherent across devices when using device-level
     * atomics. May depend on GPU instructions to flush caches to device scope
     * explicitly, promoting them to system scope automatically.
     *
     * This influences the choice of MTYPE in the PTEs on GFXv9 and later GPUs and
     * may override the MTYPE selected in AMDGPU_VA_OP_MAP.
     */
    #define AMDGPU_GEM_CREATE_EXT_COHERENT		(1 << 15)
    /* Set PTE.D and recompress during GTT->VRAM moves according to TILING flags. */
    #define AMDGPU_GEM_CREATE_GFX12_DCC		(1 << 16)
    
    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
    #define AMDGPU_CTX_OP_QUERY_STATE2	4
    #define AMDGPU_CTX_OP_GET_STABLE_PSTATE	5
    #define AMDGPU_CTX_OP_SET_STABLE_PSTATE	6
    
    /* 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
    
    /* indicate gpu reset occurred after ctx created */
    #define AMDGPU_CTX_QUERY2_FLAGS_RESET    (1<<0)
    /* indicate vram lost occurred after ctx created */
    #define AMDGPU_CTX_QUERY2_FLAGS_VRAMLOST (1<<1)
    /* indicate some job from this context once cause gpu hang */
    #define AMDGPU_CTX_QUERY2_FLAGS_GUILTY   (1<<2)
    /* indicate some errors are detected by RAS */
    #define AMDGPU_CTX_QUERY2_FLAGS_RAS_CE   (1<<3)
    #define AMDGPU_CTX_QUERY2_FLAGS_RAS_UE   (1<<4)
    /* indicate that the reset hasn't completed yet */
    #define AMDGPU_CTX_QUERY2_FLAGS_RESET_IN_PROGRESS (1<<5)
    
    /* Context priority level */
    #define AMDGPU_CTX_PRIORITY_UNSET       -2048
    #define AMDGPU_CTX_PRIORITY_VERY_LOW    -1023
    #define AMDGPU_CTX_PRIORITY_LOW         -512
    #define AMDGPU_CTX_PRIORITY_NORMAL      0
    /*
     * When used in struct drm_amdgpu_ctx_in, a priority above NORMAL requires
     * CAP_SYS_NICE or DRM_MASTER
    */
    #define AMDGPU_CTX_PRIORITY_HIGH        512
    #define AMDGPU_CTX_PRIORITY_VERY_HIGH   1023
    
    /* select a stable profiling pstate for perfmon tools */
    #define AMDGPU_CTX_STABLE_PSTATE_FLAGS_MASK  0xf
    #define AMDGPU_CTX_STABLE_PSTATE_NONE  0
    #define AMDGPU_CTX_STABLE_PSTATE_STANDARD  1
    #define AMDGPU_CTX_STABLE_PSTATE_MIN_SCLK  2
    #define AMDGPU_CTX_STABLE_PSTATE_MIN_MCLK  3
    #define AMDGPU_CTX_STABLE_PSTATE_PEAK  4
    
    struct drm_amdgpu_ctx_in {
    	/** AMDGPU_CTX_OP_* */
    	__u32	op;
    	/** Flags */
    	__u32	flags;
    	__u32	ctx_id;
    	/** AMDGPU_CTX_PRIORITY_* */
    	__s32	priority;
    };
    
    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;
    
    		struct {
    			__u32	flags;
    			__u32	_pad;
    		} pstate;
    };
    
    union drm_amdgpu_ctx {
    	struct drm_amdgpu_ctx_in in;
    	union drm_amdgpu_ctx_out out;
    };
    
    /* user queue IOCTL operations */
    #define AMDGPU_USERQ_OP_CREATE	1
    #define AMDGPU_USERQ_OP_FREE	2
    
    /*
     * This structure is a container to pass input configuration
     * info for all supported userqueue related operations.
     * For operation AMDGPU_USERQ_OP_CREATE: user is expected
     *  to set all fields, excep the parameter 'queue_id'.
     * For operation AMDGPU_USERQ_OP_FREE: the only input parameter expected
     *  to be set is 'queue_id', eveything else is ignored.
     */
    struct drm_amdgpu_userq_in {
    	/** AMDGPU_USERQ_OP_* */
    	__u32	op;
    	/** Queue id passed for operation USERQ_OP_FREE */
    	__u32	queue_id;
    	/** the target GPU engine to execute workload (AMDGPU_HW_IP_*) */
    	__u32   ip_type;
    	/**
    	 * @doorbell_handle: the handle of doorbell GEM object
    	 * associated to this userqueue client.
    	 */
    	__u32   doorbell_handle;
    	/**
    	 * @doorbell_offset: 32-bit offset of the doorbell in the doorbell bo.
    	 * Kernel will generate absolute doorbell offset using doorbell_handle
    	 * and doorbell_offset in the doorbell bo.
    	 */
    	__u32   doorbell_offset;
    	__u32   _pad;
    	/**
    	 * @queue_va: Virtual address of the GPU memory which holds the queue
    	 * object. The queue holds the workload packets.
    	 */
    	__u64   queue_va;
    	/**
    	 * @queue_size: Size of the queue in bytes, this needs to be 256-byte
    	 * aligned.
    	 */
    	__u64   queue_size;
    	/**
    	 * @rptr_va : Virtual address of the GPU memory which holds the ring RPTR.
    	 * This object must be at least 8 byte in size and aligned to 8-byte offset.
    	 */
    	__u64   rptr_va;
    	/**
    	 * @wptr_va : Virtual address of the GPU memory which holds the ring WPTR.
    	 * This object must be at least 8 byte in size and aligned to 8-byte offset.
    	 *
    	 * Queue, RPTR and WPTR can come from the same object, as long as the size
    	 * and alignment related requirements are met.
    	 */
    	__u64   wptr_va;
    	/**
    	 * @mqd: MQD (memory queue descriptor) is a set of parameters which allow
    	 * the GPU to uniquely define and identify a usermode queue.
    	 *
    	 * MQD data can be of different size for different GPU IP/engine and
    	 * their respective versions/revisions, so this points to a __u64 *
    	 * which holds IP specific MQD of this usermode queue.
    	 */
    	__u64 mqd;
    	/**
    	 * @size: size of MQD data in bytes, it must match the MQD structure
    	 * size of the respective engine/revision defined in UAPI for ex, for
    	 * gfx11 workloads, size = sizeof(drm_amdgpu_userq_mqd_gfx11).
    	 */
    	__u64 mqd_size;
    };
    
    /* The structure to carry output of userqueue ops */
    struct drm_amdgpu_userq_out {
    	/**
    	 * For operation AMDGPU_USERQ_OP_CREATE: This field contains a unique
    	 * queue ID to represent the newly created userqueue in the system, otherwise
    	 * it should be ignored.
    	 */
    	__u32	queue_id;
    	__u32	_pad;
    };
    
    union drm_amdgpu_userq {
    	struct drm_amdgpu_userq_in in;
    	struct drm_amdgpu_userq_out out;
    };
    
    /* GFX V11 IP specific MQD parameters */
    struct drm_amdgpu_userq_mqd_gfx11 {
    	/**
    	 * @shadow_va: Virtual address of the GPU memory to hold the shadow buffer.
    	 * Use AMDGPU_INFO_IOCTL to find the exact size of the object.
    	 */
    	__u64   shadow_va;
    	/**
    	 * @csa_va: Virtual address of the GPU memory to hold the CSA buffer.
    	 * Use AMDGPU_INFO_IOCTL to find the exact size of the object.
    	 */
    	__u64   csa_va;
    };
    
    /* GFX V11 SDMA IP specific MQD parameters */
    struct drm_amdgpu_userq_mqd_sdma_gfx11 {
    	/**
    	 * @csa_va: Virtual address of the GPU memory to hold the CSA buffer.
    	 * This must be a from a separate GPU object, and use AMDGPU_INFO IOCTL
    	 * to get the size.
    	 */
    	__u64   csa_va;
    };
    
    /* GFX V11 Compute IP specific MQD parameters */
    struct drm_amdgpu_userq_mqd_compute_gfx11 {
    	/**
    	 * @eop_va: Virtual address of the GPU memory to hold the EOP buffer.
    	 * This must be a from a separate GPU object, and use AMDGPU_INFO IOCTL
    	 * to get the size.
    	 */
    	__u64   eop_va;
    };
    
    /* userq signal/wait ioctl */
    struct drm_amdgpu_userq_signal {
    	/**
    	 * @queue_id: Queue handle used by the userq fence creation function
    	 * to retrieve the WPTR.
    	 */
    	__u32	queue_id;
    	__u32	pad;
    	/**
    	 * @syncobj_handles: The list of syncobj handles submitted by the user queue
    	 * job to be signaled.
    	 */
    	__u64	syncobj_handles;
    	/**
    	 * @num_syncobj_handles: A count that represents the number of syncobj handles in
    	 * @syncobj_handles.
    	 */
    	__u64	num_syncobj_handles;
    	/**
    	 * @bo_read_handles: The list of BO handles that the submitted user queue job
    	 * is using for read only. This will update BO fences in the kernel.
    	 */
    	__u64	bo_read_handles;
    	/**
    	 * @bo_write_handles: The list of BO handles that the submitted user queue job
    	 * is using for write only. This will update BO fences in the kernel.
    	 */
    	__u64	bo_write_handles;
    	/**
    	 * @num_bo_read_handles: A count that represents the number of read BO handles in
    	 * @bo_read_handles.
    	 */
    	__u32	num_bo_read_handles;
    	/**
    	 * @num_bo_write_handles: A count that represents the number of write BO handles in
    	 * @bo_write_handles.
    	 */
    	__u32	num_bo_write_handles;
    
    };
    
    struct drm_amdgpu_userq_fence_info {
    	/**
    	 * @va: A gpu address allocated for each queue which stores the
    	 * read pointer (RPTR) value.
    	 */
    	__u64	va;
    	/**
    	 * @value: A 64 bit value represents the write pointer (WPTR) of the
    	 * queue commands which compared with the RPTR value to signal the
    	 * fences.
    	 */
    	__u64	value;
    };
    
    struct drm_amdgpu_userq_wait {
    	/**
    	 * @syncobj_handles: The list of syncobj handles submitted by the user queue
    	 * job to get the va/value pairs.
    	 */
    	__u64	syncobj_handles;
    	/**
    	 * @syncobj_timeline_handles: The list of timeline syncobj handles submitted by
    	 * the user queue job to get the va/value pairs at given @syncobj_timeline_points.
    	 */
    	__u64	syncobj_timeline_handles;
    	/**
    	 * @syncobj_timeline_points: The list of timeline syncobj points submitted by the
    	 * user queue job for the corresponding @syncobj_timeline_handles.
    	 */
    	__u64	syncobj_timeline_points;
    	/**
    	 * @bo_read_handles: The list of read BO handles submitted by the user queue
    	 * job to get the va/value pairs.
    	 */
    	__u64	bo_read_handles;
    	/**
    	 * @bo_write_handles: The list of write BO handles submitted by the user queue
    	 * job to get the va/value pairs.
    	 */
    	__u64	bo_write_handles;
    	/**
    	 * @num_syncobj_timeline_handles: A count that represents the number of timeline
    	 * syncobj handles in @syncobj_timeline_handles.
    	 */
    	__u16	num_syncobj_timeline_handles;
    	/**
    	 * @num_fences: This field can be used both as input and output. As input it defines
    	 * the maximum number of fences that can be returned and as output it will specify
    	 * how many fences were actually returned from the ioctl.
    	 */
    	__u16	num_fences;
    	/**
    	 * @num_syncobj_handles: A count that represents the number of syncobj handles in
    	 * @syncobj_handles.
    	 */
    	__u32	num_syncobj_handles;
    	/**
    	 * @num_bo_read_handles: A count that represents the number of read BO handles in
    	 * @bo_read_handles.
    	 */
    	__u32	num_bo_read_handles;
    	/**
    	 * @num_bo_write_handles: A count that represents the number of write BO handles in
    	 * @bo_write_handles.
    	 */
    	__u32	num_bo_write_handles;
    	/**
    	 * @out_fences: The field is a return value from the ioctl containing the list of
    	 * address/value pairs to wait for.
    	 */
    	__u64	out_fences;
    };
    
    /* vm ioctl */
    #define AMDGPU_VM_OP_RESERVE_VMID	1
    #define AMDGPU_VM_OP_UNRESERVE_VMID	2
    
    struct drm_amdgpu_vm_in {
    	/** AMDGPU_VM_OP_* */
    	__u32	op;
    	__u32	flags;
    };
    
    struct drm_amdgpu_vm_out {
    	/** For future use, no flags defined so far */
    	__u64	flags;
    };
    
    union drm_amdgpu_vm {
    	struct drm_amdgpu_vm_in in;
    	struct drm_amdgpu_vm_out out;
    };
    
    /* sched ioctl */
    #define AMDGPU_SCHED_OP_PROCESS_PRIORITY_OVERRIDE	1
    #define AMDGPU_SCHED_OP_CONTEXT_PRIORITY_OVERRIDE	2
    
    struct drm_amdgpu_sched_in {
    	/* AMDGPU_SCHED_OP_* */
    	__u32	op;
    	__u32	fd;
    	/** AMDGPU_CTX_PRIORITY_* */
    	__s32	priority;
    	__u32   ctx_id;
    };
    
    union drm_amdgpu_sched {
    	struct drm_amdgpu_sched_in in;
    };
    
    /*
     * 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;
    };
    
    /* SI-CI-VI: */
    /* 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
    
    /* GFX9 - GFX11: */
    #define AMDGPU_TILING_SWIZZLE_MODE_SHIFT		0
    #define AMDGPU_TILING_SWIZZLE_MODE_MASK			0x1f
    #define AMDGPU_TILING_DCC_OFFSET_256B_SHIFT		5
    #define AMDGPU_TILING_DCC_OFFSET_256B_MASK		0xFFFFFF
    #define AMDGPU_TILING_DCC_PITCH_MAX_SHIFT		29
    #define AMDGPU_TILING_DCC_PITCH_MAX_MASK		0x3FFF
    #define AMDGPU_TILING_DCC_INDEPENDENT_64B_SHIFT		43
    #define AMDGPU_TILING_DCC_INDEPENDENT_64B_MASK		0x1
    #define AMDGPU_TILING_DCC_INDEPENDENT_128B_SHIFT	44
    #define AMDGPU_TILING_DCC_INDEPENDENT_128B_MASK		0x1
    #define AMDGPU_TILING_SCANOUT_SHIFT			63
    #define AMDGPU_TILING_SCANOUT_MASK			0x1
    
    /* GFX12 and later: */
    #define AMDGPU_TILING_GFX12_SWIZZLE_MODE_SHIFT			0
    #define AMDGPU_TILING_GFX12_SWIZZLE_MODE_MASK			0x7
    /* These are DCC recompression settings for memory management: */
    #define AMDGPU_TILING_GFX12_DCC_MAX_COMPRESSED_BLOCK_SHIFT	3
    #define AMDGPU_TILING_GFX12_DCC_MAX_COMPRESSED_BLOCK_MASK	0x3 /* 0:64B, 1:128B, 2:256B */
    #define AMDGPU_TILING_GFX12_DCC_NUMBER_TYPE_SHIFT		5
    #define AMDGPU_TILING_GFX12_DCC_NUMBER_TYPE_MASK		0x7 /* CB_COLOR0_INFO.NUMBER_TYPE */
    #define AMDGPU_TILING_GFX12_DCC_DATA_FORMAT_SHIFT		8
    #define AMDGPU_TILING_GFX12_DCC_DATA_FORMAT_MASK		0x3f /* [0:4]:CB_COLOR0_INFO.FORMAT, [5]:MM */
    /* When clearing the buffer or moving it from VRAM to GTT, don't compress and set DCC metadata
     * to uncompressed. Set when parts of an allocation bypass DCC and read raw data. */
    #define AMDGPU_TILING_GFX12_DCC_WRITE_COMPRESS_DISABLE_SHIFT	14
    #define AMDGPU_TILING_GFX12_DCC_WRITE_COMPRESS_DISABLE_MASK	0x1
    /* bit gap */
    #define AMDGPU_TILING_GFX12_SCANOUT_SHIFT			63
    #define AMDGPU_TILING_GFX12_SCANOUT_MASK			0x1
    
    /* Set/Get helpers for tiling flags. */
    #define AMDGPU_TILING_SET(field, value) \
    	(((__u64)(value) & AMDGPU_TILING_##field##_MASK) << AMDGPU_TILING_##field##_SHIFT)
    #define AMDGPU_TILING_GET(value, field) \
    	(((__u64)(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
             * handle equals 0 means none to wait for
             * handle equals ~0ull means wait for the latest sequence number
             */
    	__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;
    };
    
    struct drm_amdgpu_fence {
    	__u32 ctx_id;
    	__u32 ip_type;
    	__u32 ip_instance;
    	__u32 ring;
    	__u64 seq_no;
    };
    
    struct drm_amdgpu_wait_fences_in {
    	/** This points to uint64_t * which points to fences */
    	__u64 fences;
    	__u32 fence_count;
    	__u32 wait_all;
    	__u64 timeout_ns;
    };
    
    struct drm_amdgpu_wait_fences_out {
    	__u32 status;
    	__u32 first_signaled;
    };
    
    union drm_amdgpu_wait_fences {
    	struct drm_amdgpu_wait_fences_in in;
    	struct drm_amdgpu_wait_fences_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
    #define AMDGPU_VA_OP_CLEAR			3
    #define AMDGPU_VA_OP_REPLACE			4
    
    /* 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)
    /* partially resident texture */
    #define AMDGPU_VM_PAGE_PRT		(1 << 4)
    /* MTYPE flags use bit 5 to 8 */
    #define AMDGPU_VM_MTYPE_MASK		(0xf << 5)
    /* Default MTYPE. Pre-AI must use this.  Recommended for newer ASICs. */
    #define AMDGPU_VM_MTYPE_DEFAULT		(0 << 5)
    /* Use Non Coherent MTYPE instead of default MTYPE */
    #define AMDGPU_VM_MTYPE_NC		(1 << 5)
    /* Use Write Combine MTYPE instead of default MTYPE */
    #define AMDGPU_VM_MTYPE_WC		(2 << 5)
    /* Use Cache Coherent MTYPE instead of default MTYPE */
    #define AMDGPU_VM_MTYPE_CC		(3 << 5)
    /* Use UnCached MTYPE instead of default MTYPE */
    #define AMDGPU_VM_MTYPE_UC		(4 << 5)
    /* Use Read Write MTYPE instead of default MTYPE */
    #define AMDGPU_VM_MTYPE_RW		(5 << 5)
    /* don't allocate MALL */
    #define AMDGPU_VM_PAGE_NOALLOC		(1 << 9)
    
    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;
    	/**
    	 * vm_timeline_point is a sequence number used to add new timeline point.
    	 */
    	__u64 vm_timeline_point;
    	/**
    	 * The vm page table update fence is installed in given vm_timeline_syncobj_out
    	 * at vm_timeline_point.
    	 */
    	__u32 vm_timeline_syncobj_out;
    	/** the number of syncobj handles in @input_fence_syncobj_handles */
    	__u32 num_syncobj_handles;
    	/** Array of sync object handle to wait for given input fences */
    	__u64 input_fence_syncobj_handles;
    };
    
    #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_UVD_ENC      5
    #define AMDGPU_HW_IP_VCN_DEC      6
    /*
     * From VCN4, AMDGPU_HW_IP_VCN_ENC is re-used to support
     * both encoding and decoding jobs.
     */
    #define AMDGPU_HW_IP_VCN_ENC      7
    #define AMDGPU_HW_IP_VCN_JPEG     8
    #define AMDGPU_HW_IP_VPE          9
    #define AMDGPU_HW_IP_NUM          10
    
    #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
    #define AMDGPU_CHUNK_ID_SYNCOBJ_IN      0x04
    #define AMDGPU_CHUNK_ID_SYNCOBJ_OUT     0x05
    #define AMDGPU_CHUNK_ID_BO_HANDLES      0x06
    #define AMDGPU_CHUNK_ID_SCHEDULED_DEPENDENCIES	0x07
    #define AMDGPU_CHUNK_ID_SYNCOBJ_TIMELINE_WAIT    0x08
    #define AMDGPU_CHUNK_ID_SYNCOBJ_TIMELINE_SIGNAL  0x09
    #define AMDGPU_CHUNK_ID_CP_GFX_SHADOW   0x0a
    
    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		flags;
    	/** 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)
    
    /* Preamble flag, which means the IB could be dropped if no context switch */
    #define AMDGPU_IB_FLAG_PREAMBLE (1<<1)
    
    /* Preempt flag, IB should set Pre_enb bit if PREEMPT flag detected */
    #define AMDGPU_IB_FLAG_PREEMPT (1<<2)
    
    /* The IB fence should do the L2 writeback but not invalidate any shader
     * caches (L2/vL1/sL1/I$). */
    #define AMDGPU_IB_FLAG_TC_WB_NOT_INVALIDATE (1 << 3)
    
    /* Set GDS_COMPUTE_MAX_WAVE_ID = DEFAULT before PACKET3_INDIRECT_BUFFER.
     * This will reset wave ID counters for the IB.
     */
    #define AMDGPU_IB_FLAG_RESET_GDS_MAX_WAVE_ID (1 << 4)
    
    /* Flag the IB as secure (TMZ)
     */
    #define AMDGPU_IB_FLAGS_SECURE  (1 << 5)
    
    /* Tell KMD to flush and invalidate caches
     */
    #define AMDGPU_IB_FLAG_EMIT_MEM_SYNC  (1 << 6)
    
    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_sem {
    	__u32 handle;
    };
    
    struct drm_amdgpu_cs_chunk_syncobj {
           __u32 handle;
           __u32 flags;
           __u64 point;
    };
    
    #define AMDGPU_FENCE_TO_HANDLE_GET_SYNCOBJ	0
    #define AMDGPU_FENCE_TO_HANDLE_GET_SYNCOBJ_FD	1
    #define AMDGPU_FENCE_TO_HANDLE_GET_SYNC_FILE_FD	2
    
    union drm_amdgpu_fence_to_handle {
    	struct {
    		struct drm_amdgpu_fence fence;
    		__u32 what;
    		__u32 pad;
    	} in;
    	struct {
    		__u32 handle;
    	} out;
    };
    
    struct drm_amdgpu_cs_chunk_data {
    	union {
    		struct drm_amdgpu_cs_chunk_ib		ib_data;
    		struct drm_amdgpu_cs_chunk_fence	fence_data;
    	};
    };
    
    #define AMDGPU_CS_CHUNK_CP_GFX_SHADOW_FLAGS_INIT_SHADOW         0x1
    
    struct drm_amdgpu_cs_chunk_cp_gfx_shadow {
    	__u64 shadow_va;
    	__u64 csa_va;
    	__u64 gds_va;
    	__u64 flags;
    };
    
    /*
     *  Query h/w info: Flag that this is integrated (a.h.a. fusion) GPU
     *
     */
    #define AMDGPU_IDS_FLAGS_FUSION         0x1
    #define AMDGPU_IDS_FLAGS_PREEMPTION     0x2
    #define AMDGPU_IDS_FLAGS_TMZ            0x4
    #define AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD 0x8
    
    /*
     *  Query h/w info: Flag identifying VF/PF/PT mode
     *
     */
    #define AMDGPU_IDS_FLAGS_MODE_MASK      0x300
    #define AMDGPU_IDS_FLAGS_MODE_SHIFT     0x8
    #define AMDGPU_IDS_FLAGS_MODE_PF        0x0
    #define AMDGPU_IDS_FLAGS_MODE_VF        0x1
    #define AMDGPU_IDS_FLAGS_MODE_PT        0x2
    
    /* 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
    	/* Subquery id: Query PSP SOS firmware version */
    	#define AMDGPU_INFO_FW_SOS		0x0c
    	/* Subquery id: Query PSP ASD firmware version */
    	#define AMDGPU_INFO_FW_ASD		0x0d
    	/* Subquery id: Query VCN firmware version */
    	#define AMDGPU_INFO_FW_VCN		0x0e
    	/* Subquery id: Query GFX RLC SRLC firmware version */
    	#define AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL 0x0f
    	/* Subquery id: Query GFX RLC SRLG firmware version */
    	#define AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM 0x10
    	/* Subquery id: Query GFX RLC SRLS firmware version */
    	#define AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM 0x11
    	/* Subquery id: Query DMCU firmware version */
    	#define AMDGPU_INFO_FW_DMCU		0x12
    	#define AMDGPU_INFO_FW_TA		0x13
    	/* Subquery id: Query DMCUB firmware version */
    	#define AMDGPU_INFO_FW_DMCUB		0x14
    	/* Subquery id: Query TOC firmware version */
    	#define AMDGPU_INFO_FW_TOC		0x15
    	/* Subquery id: Query CAP firmware version */
    	#define AMDGPU_INFO_FW_CAP		0x16
    	/* Subquery id: Query GFX RLCP firmware version */
    	#define AMDGPU_INFO_FW_GFX_RLCP		0x17
    	/* Subquery id: Query GFX RLCV firmware version */
    	#define AMDGPU_INFO_FW_GFX_RLCV		0x18
    	/* Subquery id: Query MES_KIQ firmware version */
    	#define AMDGPU_INFO_FW_MES_KIQ		0x19
    	/* Subquery id: Query MES firmware version */
    	#define AMDGPU_INFO_FW_MES		0x1a
    	/* Subquery id: Query IMU firmware version */
    	#define AMDGPU_INFO_FW_IMU		0x1b
    	/* Subquery id: Query VPE firmware version */
    	#define AMDGPU_INFO_FW_VPE		0x1c
    
    /* 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
    /* Query memory about VRAM and GTT domains */
    #define AMDGPU_INFO_MEMORY			0x19
    /* Query vce clock table */
    #define AMDGPU_INFO_VCE_CLOCK_TABLE		0x1A
    /* Query vbios related information */
    #define AMDGPU_INFO_VBIOS			0x1B
    	/* Subquery id: Query vbios size */
    	#define AMDGPU_INFO_VBIOS_SIZE		0x1
    	/* Subquery id: Query vbios image */
    	#define AMDGPU_INFO_VBIOS_IMAGE		0x2
    	/* Subquery id: Query vbios info */
    	#define AMDGPU_INFO_VBIOS_INFO		0x3
    /* Query UVD handles */
    #define AMDGPU_INFO_NUM_HANDLES			0x1C
    /* Query sensor related information */
    #define AMDGPU_INFO_SENSOR			0x1D
    	/* Subquery id: Query GPU shader clock */
    	#define AMDGPU_INFO_SENSOR_GFX_SCLK		0x1
    	/* Subquery id: Query GPU memory clock */
    	#define AMDGPU_INFO_SENSOR_GFX_MCLK		0x2
    	/* Subquery id: Query GPU temperature */
    	#define AMDGPU_INFO_SENSOR_GPU_TEMP		0x3
    	/* Subquery id: Query GPU load */
    	#define AMDGPU_INFO_SENSOR_GPU_LOAD		0x4
    	/* Subquery id: Query average GPU power	*/
    	#define AMDGPU_INFO_SENSOR_GPU_AVG_POWER	0x5
    	/* Subquery id: Query northbridge voltage */
    	#define AMDGPU_INFO_SENSOR_VDDNB		0x6
    	/* Subquery id: Query graphics voltage */
    	#define AMDGPU_INFO_SENSOR_VDDGFX		0x7
    	/* Subquery id: Query GPU stable pstate shader clock */
    	#define AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK		0x8
    	/* Subquery id: Query GPU stable pstate memory clock */
    	#define AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK		0x9
    	/* Subquery id: Query GPU peak pstate shader clock */
    	#define AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_SCLK			0xa
    	/* Subquery id: Query GPU peak pstate memory clock */
    	#define AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_MCLK			0xb
    	/* Subquery id: Query input GPU power	*/
    	#define AMDGPU_INFO_SENSOR_GPU_INPUT_POWER	0xc
    /* Number of VRAM page faults on CPU access. */
    #define AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS	0x1E
    #define AMDGPU_INFO_VRAM_LOST_COUNTER		0x1F
    /* query ras mask of enabled features*/
    #define AMDGPU_INFO_RAS_ENABLED_FEATURES	0x20
    /* RAS MASK: UMC (VRAM) */
    #define AMDGPU_INFO_RAS_ENABLED_UMC			(1 << 0)
    /* RAS MASK: SDMA */
    #define AMDGPU_INFO_RAS_ENABLED_SDMA			(1 << 1)
    /* RAS MASK: GFX */
    #define AMDGPU_INFO_RAS_ENABLED_GFX			(1 << 2)
    /* RAS MASK: MMHUB */
    #define AMDGPU_INFO_RAS_ENABLED_MMHUB			(1 << 3)
    /* RAS MASK: ATHUB */
    #define AMDGPU_INFO_RAS_ENABLED_ATHUB			(1 << 4)
    /* RAS MASK: PCIE */
    #define AMDGPU_INFO_RAS_ENABLED_PCIE			(1 << 5)
    /* RAS MASK: HDP */
    #define AMDGPU_INFO_RAS_ENABLED_HDP			(1 << 6)
    /* RAS MASK: XGMI */
    #define AMDGPU_INFO_RAS_ENABLED_XGMI			(1 << 7)
    /* RAS MASK: DF */
    #define AMDGPU_INFO_RAS_ENABLED_DF			(1 << 8)
    /* RAS MASK: SMN */
    #define AMDGPU_INFO_RAS_ENABLED_SMN			(1 << 9)
    /* RAS MASK: SEM */
    #define AMDGPU_INFO_RAS_ENABLED_SEM			(1 << 10)
    /* RAS MASK: MP0 */
    #define AMDGPU_INFO_RAS_ENABLED_MP0			(1 << 11)
    /* RAS MASK: MP1 */
    #define AMDGPU_INFO_RAS_ENABLED_MP1			(1 << 12)
    /* RAS MASK: FUSE */
    #define AMDGPU_INFO_RAS_ENABLED_FUSE			(1 << 13)
    /* query video encode/decode caps */
    #define AMDGPU_INFO_VIDEO_CAPS			0x21
    	/* Subquery id: Decode */
    	#define AMDGPU_INFO_VIDEO_CAPS_DECODE		0
    	/* Subquery id: Encode */
    	#define AMDGPU_INFO_VIDEO_CAPS_ENCODE		1
    /* Query the max number of IBs per gang per submission */
    #define AMDGPU_INFO_MAX_IBS			0x22
    /* query last page fault info */
    #define AMDGPU_INFO_GPUVM_FAULT			0x23
    /* query FW object size and alignment */
    #define AMDGPU_INFO_UQ_FW_AREAS			0x24
    
    #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 {
    			__u32 type;
    			__u32 offset;
    		} vbios_info;
    
    		struct {
    			__u32 type;
    		} sensor_info;
    
    		struct {
    			__u32 type;
    		} video_cap;
    	};
    };
    
    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_heap_info {
    	/** max. physical memory */
    	__u64 total_heap_size;
    
    	/** Theoretical max. available memory in the given heap */
    	__u64 usable_heap_size;
    
    	/**
    	 * Number of bytes allocated in the heap. This includes all processes
    	 * and private allocations in the kernel. It changes when new buffers
    	 * are allocated, freed, and moved. It cannot be larger than
    	 * heap_size.
    	 */
    	__u64 heap_usage;
    
    	/**
    	 * Theoretical possible max. size of buffer which
    	 * could be allocated in the given heap
    	 */
    	__u64 max_allocation;
    };
    
    struct drm_amdgpu_memory_info {
    	struct drm_amdgpu_heap_info vram;
    	struct drm_amdgpu_heap_info cpu_accessible_vram;
    	struct drm_amdgpu_heap_info gtt;
    };
    
    struct drm_amdgpu_info_firmware {
    	__u32 ver;
    	__u32 feature;
    };
    
    struct drm_amdgpu_info_vbios {
    	__u8 name[64];
    	__u8 vbios_pn[64];
    	__u32 version;
    	__u32 pad;
    	__u8 vbios_ver_str[32];
    	__u8 date[32];
    };
    
    #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
    #define AMDGPU_VRAM_TYPE_DDR4  8
    #define AMDGPU_VRAM_TYPE_GDDR6 9
    #define AMDGPU_VRAM_TYPE_DDR5  10
    #define AMDGPU_VRAM_TYPE_LPDDR4 11
    #define AMDGPU_VRAM_TYPE_LPDDR5 12
    
    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;
    	/* NOTE: cu_ao_mask is INVALID, DON'T use it */
    	__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;
    	/* PCIe version (the smaller of the GPU and the CPU/motherboard) */
    	__u32 pcie_gen;
    	__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;
    	/* gfx double offchip LDS buffers */
    	__u32 gc_double_offchip_lds_buf;
    	/* NGG Primitive Buffer */
    	__u64 prim_buf_gpu_addr;
    	/* NGG Position Buffer */
    	__u64 pos_buf_gpu_addr;
    	/* NGG Control Sideband */
    	__u64 cntl_sb_buf_gpu_addr;
    	/* NGG Parameter Cache */
    	__u64 param_buf_gpu_addr;
    	__u32 prim_buf_size;
    	__u32 pos_buf_size;
    	__u32 cntl_sb_buf_size;
    	__u32 param_buf_size;
    	/* wavefront size*/
    	__u32 wave_front_size;
    	/* shader visible vgprs*/
    	__u32 num_shader_visible_vgprs;
    	/* CU per shader array*/
    	__u32 num_cu_per_sh;
    	/* number of tcc blocks*/
    	__u32 num_tcc_blocks;
    	/* gs vgt table depth*/
    	__u32 gs_vgt_table_depth;
    	/* gs primitive buffer depth*/
    	__u32 gs_prim_buffer_depth;
    	/* max gs wavefront per vgt*/
    	__u32 max_gs_waves_per_vgt;
    	/* PCIe number of lanes (the smaller of the GPU and the CPU/motherboard) */
    	__u32 pcie_num_lanes;
    	/* always on cu bitmap */
    	__u32 cu_ao_bitmap[4][4];
    	/** Starting high virtual address for UMDs. */
    	__u64 high_va_offset;
    	/** The maximum high virtual address */
    	__u64 high_va_max;
    	/* gfx10 pa_sc_tile_steering_override */
    	__u32 pa_sc_tile_steering_override;
    	/* disabled TCCs */
    	__u64 tcc_disabled_mask;
    	__u64 min_engine_clock;
    	__u64 min_memory_clock;
    	/* The following fields are only set on gfx11+, older chips set 0. */
    	__u32 tcp_cache_size;       /* AKA GL0, VMEM cache */
    	__u32 num_sqc_per_wgp;
    	__u32 sqc_data_cache_size;  /* AKA SMEM cache */
    	__u32 sqc_inst_cache_size;
    	__u32 gl1c_cache_size;
    	__u32 gl2c_cache_size;
    	__u64 mall_size;            /* AKA infinity cache */
    	/* high 32 bits of the rb pipes mask */
    	__u32 enabled_rb_pipes_mask_hi;
    	/* shadow area size for gfx11 */
    	__u32 shadow_size;
    	/* shadow area base virtual alignment for gfx11 */
    	__u32 shadow_alignment;
    	/* context save area size for gfx11 */
    	__u32 csa_size;
    	/* context save area base virtual alignment for gfx11 */
    	__u32 csa_alignment;
    };
    
    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;
    	/** version info: bits 23:16 major, 15:8 minor, 7:0 revision */
    	__u32  ip_discovery_version;
    };
    
    /* GFX metadata BO sizes and alignment info (in bytes) */
    struct drm_amdgpu_info_uq_fw_areas_gfx {
    	/* shadow area size */
    	__u32 shadow_size;
    	/* shadow area base virtual mem alignment */
    	__u32 shadow_alignment;
    	/* context save area size */
    	__u32 csa_size;
    	/* context save area base virtual mem alignment */
    	__u32 csa_alignment;
    };
    
    /* IP specific metadata related information used in the
     * subquery AMDGPU_INFO_UQ_FW_AREAS
     */
    struct drm_amdgpu_info_uq_fw_areas {
    	union {
    		struct drm_amdgpu_info_uq_fw_areas_gfx gfx;
    	};
    };
    
    struct drm_amdgpu_info_num_handles {
    	/** Max handles as supported by firmware for UVD */
    	__u32  uvd_max_handles;
    	/** Handles currently in use for UVD */
    	__u32  uvd_used_handles;
    };
    
    #define AMDGPU_VCE_CLOCK_TABLE_ENTRIES		6
    
    struct drm_amdgpu_info_vce_clock_table_entry {
    	/** System clock */
    	__u32 sclk;
    	/** Memory clock */
    	__u32 mclk;
    	/** VCE clock */
    	__u32 eclk;
    	__u32 pad;
    };
    
    struct drm_amdgpu_info_vce_clock_table {
    	struct drm_amdgpu_info_vce_clock_table_entry entries[AMDGPU_VCE_CLOCK_TABLE_ENTRIES];
    	__u32 num_valid_entries;
    	__u32 pad;
    };
    
    /* query video encode/decode caps */
    #define AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2			0
    #define AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4			1
    #define AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1			2
    #define AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC		3
    #define AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC			4
    #define AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG			5
    #define AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9			6
    #define AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1			7
    #define AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_COUNT			8
    
    struct drm_amdgpu_info_video_codec_info {
    	__u32 valid;
    	__u32 max_width;
    	__u32 max_height;
    	__u32 max_pixels_per_frame;
    	__u32 max_level;
    	__u32 pad;
    };
    
    struct drm_amdgpu_info_video_caps {
    	struct drm_amdgpu_info_video_codec_info codec_info[AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_COUNT];
    };
    
    #define AMDGPU_VMHUB_TYPE_MASK			0xff
    #define AMDGPU_VMHUB_TYPE_SHIFT			0
    #define AMDGPU_VMHUB_TYPE_GFX			0
    #define AMDGPU_VMHUB_TYPE_MM0			1
    #define AMDGPU_VMHUB_TYPE_MM1			2
    #define AMDGPU_VMHUB_IDX_MASK			0xff00
    #define AMDGPU_VMHUB_IDX_SHIFT			8
    
    struct drm_amdgpu_info_gpuvm_fault {
    	__u64 addr;
    	__u32 status;
    	__u32 vmhub;
    };
    
    /*
     * 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 */
    #define AMDGPU_FAMILY_AI			141 /* Vega10 */
    #define AMDGPU_FAMILY_RV			142 /* Raven */
    #define AMDGPU_FAMILY_NV			143 /* Navi10 */
    #define AMDGPU_FAMILY_VGH			144 /* Van Gogh */
    #define AMDGPU_FAMILY_GC_11_0_0			145 /* GC 11.0.0 */
    #define AMDGPU_FAMILY_YC			146 /* Yellow Carp */
    #define AMDGPU_FAMILY_GC_11_0_1			148 /* GC 11.0.1 */
    #define AMDGPU_FAMILY_GC_10_3_6			149 /* GC 10.3.6 */
    #define AMDGPU_FAMILY_GC_10_3_7			151 /* GC 10.3.7 */
    #define AMDGPU_FAMILY_GC_11_5_0			150 /* GC 11.5.0 */
    #define AMDGPU_FAMILY_GC_12_0_0			152 /* GC 12.0.0 */
    
    #if defined(__cplusplus)
    }
    #endif
    
    #endif