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      1 /* amdgpu_drm.h -- Public header for the amdgpu driver -*- linux-c -*-
      2  *
      3  * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
      4  * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
      5  * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
      6  * Copyright 2014 Advanced Micro Devices, Inc.
      7  *
      8  * Permission is hereby granted, free of charge, to any person obtaining a
      9  * copy of this software and associated documentation files (the "Software"),
     10  * to deal in the Software without restriction, including without limitation
     11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     12  * and/or sell copies of the Software, and to permit persons to whom the
     13  * Software is furnished to do so, subject to the following conditions:
     14  *
     15  * The above copyright notice and this permission notice shall be included in
     16  * all copies or substantial portions of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     21  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     22  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     23  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     24  * OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  * Authors:
     27  *    Kevin E. Martin <martin (at) valinux.com>
     28  *    Gareth Hughes <gareth (at) valinux.com>
     29  *    Keith Whitwell <keith (at) tungstengraphics.com>
     30  */
     31 
     32 #ifndef __AMDGPU_DRM_H__
     33 #define __AMDGPU_DRM_H__
     34 
     35 #include "drm.h"
     36 
     37 #define DRM_AMDGPU_GEM_CREATE		0x00
     38 #define DRM_AMDGPU_GEM_MMAP		0x01
     39 #define DRM_AMDGPU_CTX			0x02
     40 #define DRM_AMDGPU_BO_LIST		0x03
     41 #define DRM_AMDGPU_CS			0x04
     42 #define DRM_AMDGPU_INFO			0x05
     43 #define DRM_AMDGPU_GEM_METADATA		0x06
     44 #define DRM_AMDGPU_GEM_WAIT_IDLE	0x07
     45 #define DRM_AMDGPU_GEM_VA		0x08
     46 #define DRM_AMDGPU_WAIT_CS		0x09
     47 #define DRM_AMDGPU_GEM_OP		0x10
     48 #define DRM_AMDGPU_GEM_USERPTR		0x11
     49 
     50 #define DRM_IOCTL_AMDGPU_GEM_CREATE	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_CREATE, union drm_amdgpu_gem_create)
     51 #define DRM_IOCTL_AMDGPU_GEM_MMAP	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_MMAP, union drm_amdgpu_gem_mmap)
     52 #define DRM_IOCTL_AMDGPU_CTX		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_CTX, union drm_amdgpu_ctx)
     53 #define DRM_IOCTL_AMDGPU_BO_LIST	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_BO_LIST, union drm_amdgpu_bo_list)
     54 #define DRM_IOCTL_AMDGPU_CS		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_CS, union drm_amdgpu_cs)
     55 #define DRM_IOCTL_AMDGPU_INFO		DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_INFO, struct drm_amdgpu_info)
     56 #define DRM_IOCTL_AMDGPU_GEM_METADATA	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_METADATA, struct drm_amdgpu_gem_metadata)
     57 #define DRM_IOCTL_AMDGPU_GEM_WAIT_IDLE	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_WAIT_IDLE, union drm_amdgpu_gem_wait_idle)
     58 #define DRM_IOCTL_AMDGPU_GEM_VA		DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_VA, struct drm_amdgpu_gem_va)
     59 #define DRM_IOCTL_AMDGPU_WAIT_CS	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_WAIT_CS, union drm_amdgpu_wait_cs)
     60 #define DRM_IOCTL_AMDGPU_GEM_OP		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_OP, struct drm_amdgpu_gem_op)
     61 #define DRM_IOCTL_AMDGPU_GEM_USERPTR	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_USERPTR, struct drm_amdgpu_gem_userptr)
     62 
     63 #define AMDGPU_GEM_DOMAIN_CPU		0x1
     64 #define AMDGPU_GEM_DOMAIN_GTT		0x2
     65 #define AMDGPU_GEM_DOMAIN_VRAM		0x4
     66 #define AMDGPU_GEM_DOMAIN_GDS		0x8
     67 #define AMDGPU_GEM_DOMAIN_GWS		0x10
     68 #define AMDGPU_GEM_DOMAIN_OA		0x20
     69 
     70 /* Flag that CPU access will be required for the case of VRAM domain */
     71 #define AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED	(1 << 0)
     72 /* Flag that CPU access will not work, this VRAM domain is invisible */
     73 #define AMDGPU_GEM_CREATE_NO_CPU_ACCESS		(1 << 1)
     74 /* Flag that USWC attributes should be used for GTT */
     75 #define AMDGPU_GEM_CREATE_CPU_GTT_USWC		(1 << 2)
     76 
     77 struct drm_amdgpu_gem_create_in  {
     78 	/** the requested memory size */
     79 	uint64_t bo_size;
     80 	/** physical start_addr alignment in bytes for some HW requirements */
     81 	uint64_t alignment;
     82 	/** the requested memory domains */
     83 	uint64_t domains;
     84 	/** allocation flags */
     85 	uint64_t domain_flags;
     86 };
     87 
     88 struct drm_amdgpu_gem_create_out  {
     89 	/** returned GEM object handle */
     90 	uint32_t handle;
     91 	uint32_t _pad;
     92 };
     93 
     94 union drm_amdgpu_gem_create {
     95 	struct drm_amdgpu_gem_create_in		in;
     96 	struct drm_amdgpu_gem_create_out	out;
     97 };
     98 
     99 /** Opcode to create new residency list.  */
    100 #define AMDGPU_BO_LIST_OP_CREATE	0
    101 /** Opcode to destroy previously created residency list */
    102 #define AMDGPU_BO_LIST_OP_DESTROY	1
    103 /** Opcode to update resource information in the list */
    104 #define AMDGPU_BO_LIST_OP_UPDATE	2
    105 
    106 struct drm_amdgpu_bo_list_in {
    107 	/** Type of operation */
    108 	uint32_t operation;
    109 	/** Handle of list or 0 if we want to create one */
    110 	uint32_t list_handle;
    111 	/** Number of BOs in list  */
    112 	uint32_t bo_number;
    113 	/** Size of each element describing BO */
    114 	uint32_t bo_info_size;
    115 	/** Pointer to array describing BOs */
    116 	uint64_t bo_info_ptr;
    117 };
    118 
    119 struct drm_amdgpu_bo_list_entry {
    120 	/** Handle of BO */
    121 	uint32_t bo_handle;
    122 	/** New (if specified) BO priority to be used during migration */
    123 	uint32_t bo_priority;
    124 };
    125 
    126 struct drm_amdgpu_bo_list_out {
    127 	/** Handle of resource list  */
    128 	uint32_t list_handle;
    129 	uint32_t _pad;
    130 };
    131 
    132 union drm_amdgpu_bo_list {
    133 	struct drm_amdgpu_bo_list_in in;
    134 	struct drm_amdgpu_bo_list_out out;
    135 };
    136 
    137 /* context related */
    138 #define AMDGPU_CTX_OP_ALLOC_CTX	1
    139 #define AMDGPU_CTX_OP_FREE_CTX	2
    140 #define AMDGPU_CTX_OP_QUERY_STATE	3
    141 
    142 /* GPU reset status */
    143 #define AMDGPU_CTX_NO_RESET		0
    144 /* this the context caused it */
    145 #define AMDGPU_CTX_GUILTY_RESET		1
    146 /* some other context caused it */
    147 #define AMDGPU_CTX_INNOCENT_RESET	2
    148 /* unknown cause */
    149 #define AMDGPU_CTX_UNKNOWN_RESET	3
    150 
    151 struct drm_amdgpu_ctx_in {
    152 	/** AMDGPU_CTX_OP_* */
    153 	uint32_t	op;
    154 	/** For future use, no flags defined so far */
    155 	uint32_t	flags;
    156 	uint32_t	ctx_id;
    157 	uint32_t	_pad;
    158 };
    159 
    160 union drm_amdgpu_ctx_out {
    161 		struct {
    162 			uint32_t	ctx_id;
    163 			uint32_t	_pad;
    164 		} alloc;
    165 
    166 		struct {
    167 			/** For future use, no flags defined so far */
    168 			uint64_t	flags;
    169 			/** Number of resets caused by this context so far. */
    170 			uint32_t	hangs;
    171 			/** Reset status since the last call of the ioctl. */
    172 			uint32_t	reset_status;
    173 		} state;
    174 };
    175 
    176 union drm_amdgpu_ctx {
    177 	struct drm_amdgpu_ctx_in in;
    178 	union drm_amdgpu_ctx_out out;
    179 };
    180 
    181 /*
    182  * This is not a reliable API and you should expect it to fail for any
    183  * number of reasons and have fallback path that do not use userptr to
    184  * perform any operation.
    185  */
    186 #define AMDGPU_GEM_USERPTR_READONLY	(1 << 0)
    187 #define AMDGPU_GEM_USERPTR_ANONONLY	(1 << 1)
    188 #define AMDGPU_GEM_USERPTR_VALIDATE	(1 << 2)
    189 #define AMDGPU_GEM_USERPTR_REGISTER	(1 << 3)
    190 
    191 struct drm_amdgpu_gem_userptr {
    192 	uint64_t		addr;
    193 	uint64_t		size;
    194 	/* AMDGPU_GEM_USERPTR_* */
    195 	uint32_t		flags;
    196 	/* Resulting GEM handle */
    197 	uint32_t		handle;
    198 };
    199 
    200 /* same meaning as the GB_TILE_MODE and GL_MACRO_TILE_MODE fields */
    201 #define AMDGPU_TILING_ARRAY_MODE_SHIFT			0
    202 #define AMDGPU_TILING_ARRAY_MODE_MASK			0xf
    203 #define AMDGPU_TILING_PIPE_CONFIG_SHIFT			4
    204 #define AMDGPU_TILING_PIPE_CONFIG_MASK			0x1f
    205 #define AMDGPU_TILING_TILE_SPLIT_SHIFT			9
    206 #define AMDGPU_TILING_TILE_SPLIT_MASK			0x7
    207 #define AMDGPU_TILING_MICRO_TILE_MODE_SHIFT		12
    208 #define AMDGPU_TILING_MICRO_TILE_MODE_MASK		0x7
    209 #define AMDGPU_TILING_BANK_WIDTH_SHIFT			15
    210 #define AMDGPU_TILING_BANK_WIDTH_MASK			0x3
    211 #define AMDGPU_TILING_BANK_HEIGHT_SHIFT			17
    212 #define AMDGPU_TILING_BANK_HEIGHT_MASK			0x3
    213 #define AMDGPU_TILING_MACRO_TILE_ASPECT_SHIFT		19
    214 #define AMDGPU_TILING_MACRO_TILE_ASPECT_MASK		0x3
    215 #define AMDGPU_TILING_NUM_BANKS_SHIFT			21
    216 #define AMDGPU_TILING_NUM_BANKS_MASK			0x3
    217 
    218 #define AMDGPU_TILING_SET(field, value) \
    219 	(((value) & AMDGPU_TILING_##field##_MASK) << AMDGPU_TILING_##field##_SHIFT)
    220 #define AMDGPU_TILING_GET(value, field) \
    221 	(((value) >> AMDGPU_TILING_##field##_SHIFT) & AMDGPU_TILING_##field##_MASK)
    222 
    223 #define AMDGPU_GEM_METADATA_OP_SET_METADATA                  1
    224 #define AMDGPU_GEM_METADATA_OP_GET_METADATA                  2
    225 
    226 /** The same structure is shared for input/output */
    227 struct drm_amdgpu_gem_metadata {
    228 	/** GEM Object handle */
    229 	uint32_t	handle;
    230 	/** Do we want get or set metadata */
    231 	uint32_t	op;
    232 	struct {
    233 		/** For future use, no flags defined so far */
    234 		uint64_t	flags;
    235 		/** family specific tiling info */
    236 		uint64_t	tiling_info;
    237 		uint32_t	data_size_bytes;
    238 		uint32_t	data[64];
    239 	} data;
    240 };
    241 
    242 struct drm_amdgpu_gem_mmap_in {
    243 	/** the GEM object handle */
    244 	uint32_t handle;
    245 	uint32_t _pad;
    246 };
    247 
    248 struct drm_amdgpu_gem_mmap_out {
    249 	/** mmap offset from the vma offset manager */
    250 	uint64_t addr_ptr;
    251 };
    252 
    253 union drm_amdgpu_gem_mmap {
    254 	struct drm_amdgpu_gem_mmap_in   in;
    255 	struct drm_amdgpu_gem_mmap_out out;
    256 };
    257 
    258 struct drm_amdgpu_gem_wait_idle_in {
    259 	/** GEM object handle */
    260 	uint32_t handle;
    261 	/** For future use, no flags defined so far */
    262 	uint32_t flags;
    263 	/** Absolute timeout to wait */
    264 	uint64_t timeout;
    265 };
    266 
    267 struct drm_amdgpu_gem_wait_idle_out {
    268 	/** BO status:  0 - BO is idle, 1 - BO is busy */
    269 	uint32_t status;
    270 	/** Returned current memory domain */
    271 	uint32_t domain;
    272 };
    273 
    274 union drm_amdgpu_gem_wait_idle {
    275 	struct drm_amdgpu_gem_wait_idle_in  in;
    276 	struct drm_amdgpu_gem_wait_idle_out out;
    277 };
    278 
    279 struct drm_amdgpu_wait_cs_in {
    280 	/** Command submission handle */
    281 	uint64_t handle;
    282 	/** Absolute timeout to wait */
    283 	uint64_t timeout;
    284 	uint32_t ip_type;
    285 	uint32_t ip_instance;
    286 	uint32_t ring;
    287 	uint32_t ctx_id;
    288 };
    289 
    290 struct drm_amdgpu_wait_cs_out {
    291 	/** CS status:  0 - CS completed, 1 - CS still busy */
    292 	uint64_t status;
    293 };
    294 
    295 union drm_amdgpu_wait_cs {
    296 	struct drm_amdgpu_wait_cs_in in;
    297 	struct drm_amdgpu_wait_cs_out out;
    298 };
    299 
    300 #define AMDGPU_GEM_OP_GET_GEM_CREATE_INFO	0
    301 #define AMDGPU_GEM_OP_SET_PLACEMENT		1
    302 
    303 /* Sets or returns a value associated with a buffer. */
    304 struct drm_amdgpu_gem_op {
    305 	/** GEM object handle */
    306 	uint32_t	handle;
    307 	/** AMDGPU_GEM_OP_* */
    308 	uint32_t	op;
    309 	/** Input or return value */
    310 	uint64_t	value;
    311 };
    312 
    313 #define AMDGPU_VA_OP_MAP			1
    314 #define AMDGPU_VA_OP_UNMAP			2
    315 
    316 /* Delay the page table update till the next CS */
    317 #define AMDGPU_VM_DELAY_UPDATE		(1 << 0)
    318 
    319 /* Mapping flags */
    320 /* readable mapping */
    321 #define AMDGPU_VM_PAGE_READABLE		(1 << 1)
    322 /* writable mapping */
    323 #define AMDGPU_VM_PAGE_WRITEABLE	(1 << 2)
    324 /* executable mapping, new for VI */
    325 #define AMDGPU_VM_PAGE_EXECUTABLE	(1 << 3)
    326 
    327 struct drm_amdgpu_gem_va {
    328 	/** GEM object handle */
    329 	uint32_t handle;
    330 	uint32_t _pad;
    331 	/** AMDGPU_VA_OP_* */
    332 	uint32_t operation;
    333 	/** AMDGPU_VM_PAGE_* */
    334 	uint32_t flags;
    335 	/** va address to assign . Must be correctly aligned.*/
    336 	uint64_t va_address;
    337 	/** Specify offset inside of BO to assign. Must be correctly aligned.*/
    338 	uint64_t offset_in_bo;
    339 	/** Specify mapping size. Must be correctly aligned. */
    340 	uint64_t map_size;
    341 };
    342 
    343 #define AMDGPU_HW_IP_GFX          0
    344 #define AMDGPU_HW_IP_COMPUTE      1
    345 #define AMDGPU_HW_IP_DMA          2
    346 #define AMDGPU_HW_IP_UVD          3
    347 #define AMDGPU_HW_IP_VCE          4
    348 #define AMDGPU_HW_IP_NUM          5
    349 
    350 #define AMDGPU_HW_IP_INSTANCE_MAX_COUNT 1
    351 
    352 #define AMDGPU_CHUNK_ID_IB		0x01
    353 #define AMDGPU_CHUNK_ID_FENCE		0x02
    354 #define AMDGPU_CHUNK_ID_DEPENDENCIES	0x03
    355 
    356 struct drm_amdgpu_cs_chunk {
    357 	uint32_t		chunk_id;
    358 	uint32_t		length_dw;
    359 	uint64_t		chunk_data;
    360 };
    361 
    362 struct drm_amdgpu_cs_in {
    363 	/** Rendering context id */
    364 	uint32_t		ctx_id;
    365 	/**  Handle of resource list associated with CS */
    366 	uint32_t		bo_list_handle;
    367 	uint32_t		num_chunks;
    368 	uint32_t		_pad;
    369 	/** this points to uint64_t * which point to cs chunks */
    370 	uint64_t		chunks;
    371 };
    372 
    373 struct drm_amdgpu_cs_out {
    374 	uint64_t handle;
    375 };
    376 
    377 union drm_amdgpu_cs {
    378 	struct drm_amdgpu_cs_in in;
    379 	struct drm_amdgpu_cs_out out;
    380 };
    381 
    382 /* Specify flags to be used for IB */
    383 
    384 /* This IB should be submitted to CE */
    385 #define AMDGPU_IB_FLAG_CE	(1<<0)
    386 
    387 /* CE Preamble */
    388 #define AMDGPU_IB_FLAG_PREAMBLE (1<<1)
    389 
    390 struct drm_amdgpu_cs_chunk_ib {
    391 	uint32_t _pad;
    392 	/** AMDGPU_IB_FLAG_* */
    393 	uint32_t flags;
    394 	/** Virtual address to begin IB execution */
    395 	uint64_t va_start;
    396 	/** Size of submission */
    397 	uint32_t ib_bytes;
    398 	/** HW IP to submit to */
    399 	uint32_t ip_type;
    400 	/** HW IP index of the same type to submit to  */
    401 	uint32_t ip_instance;
    402 	/** Ring index to submit to */
    403 	uint32_t ring;
    404 };
    405 
    406 struct drm_amdgpu_cs_chunk_dep {
    407 	uint32_t ip_type;
    408 	uint32_t ip_instance;
    409 	uint32_t ring;
    410 	uint32_t ctx_id;
    411 	uint64_t handle;
    412 };
    413 
    414 struct drm_amdgpu_cs_chunk_fence {
    415 	uint32_t handle;
    416 	uint32_t offset;
    417 };
    418 
    419 struct drm_amdgpu_cs_chunk_data {
    420 	union {
    421 		struct drm_amdgpu_cs_chunk_ib		ib_data;
    422 		struct drm_amdgpu_cs_chunk_fence	fence_data;
    423 	};
    424 };
    425 
    426 /**
    427  *  Query h/w info: Flag that this is integrated (a.h.a. fusion) GPU
    428  *
    429  */
    430 #define AMDGPU_IDS_FLAGS_FUSION         0x1
    431 
    432 /* indicate if acceleration can be working */
    433 #define AMDGPU_INFO_ACCEL_WORKING		0x00
    434 /* get the crtc_id from the mode object id? */
    435 #define AMDGPU_INFO_CRTC_FROM_ID		0x01
    436 /* query hw IP info */
    437 #define AMDGPU_INFO_HW_IP_INFO			0x02
    438 /* query hw IP instance count for the specified type */
    439 #define AMDGPU_INFO_HW_IP_COUNT			0x03
    440 /* timestamp for GL_ARB_timer_query */
    441 #define AMDGPU_INFO_TIMESTAMP			0x05
    442 /* Query the firmware version */
    443 #define AMDGPU_INFO_FW_VERSION			0x0e
    444 	/* Subquery id: Query VCE firmware version */
    445 	#define AMDGPU_INFO_FW_VCE		0x1
    446 	/* Subquery id: Query UVD firmware version */
    447 	#define AMDGPU_INFO_FW_UVD		0x2
    448 	/* Subquery id: Query GMC firmware version */
    449 	#define AMDGPU_INFO_FW_GMC		0x03
    450 	/* Subquery id: Query GFX ME firmware version */
    451 	#define AMDGPU_INFO_FW_GFX_ME		0x04
    452 	/* Subquery id: Query GFX PFP firmware version */
    453 	#define AMDGPU_INFO_FW_GFX_PFP		0x05
    454 	/* Subquery id: Query GFX CE firmware version */
    455 	#define AMDGPU_INFO_FW_GFX_CE		0x06
    456 	/* Subquery id: Query GFX RLC firmware version */
    457 	#define AMDGPU_INFO_FW_GFX_RLC		0x07
    458 	/* Subquery id: Query GFX MEC firmware version */
    459 	#define AMDGPU_INFO_FW_GFX_MEC		0x08
    460 	/* Subquery id: Query SMC firmware version */
    461 	#define AMDGPU_INFO_FW_SMC		0x0a
    462 	/* Subquery id: Query SDMA firmware version */
    463 	#define AMDGPU_INFO_FW_SDMA		0x0b
    464 /* number of bytes moved for TTM migration */
    465 #define AMDGPU_INFO_NUM_BYTES_MOVED		0x0f
    466 /* the used VRAM size */
    467 #define AMDGPU_INFO_VRAM_USAGE			0x10
    468 /* the used GTT size */
    469 #define AMDGPU_INFO_GTT_USAGE			0x11
    470 /* Information about GDS, etc. resource configuration */
    471 #define AMDGPU_INFO_GDS_CONFIG			0x13
    472 /* Query information about VRAM and GTT domains */
    473 #define AMDGPU_INFO_VRAM_GTT			0x14
    474 /* Query information about register in MMR address space*/
    475 #define AMDGPU_INFO_READ_MMR_REG		0x15
    476 /* Query information about device: rev id, family, etc. */
    477 #define AMDGPU_INFO_DEV_INFO			0x16
    478 /* visible vram usage */
    479 #define AMDGPU_INFO_VIS_VRAM_USAGE		0x17
    480 
    481 #define AMDGPU_INFO_MMR_SE_INDEX_SHIFT	0
    482 #define AMDGPU_INFO_MMR_SE_INDEX_MASK	0xff
    483 #define AMDGPU_INFO_MMR_SH_INDEX_SHIFT	8
    484 #define AMDGPU_INFO_MMR_SH_INDEX_MASK	0xff
    485 
    486 /* Input structure for the INFO ioctl */
    487 struct drm_amdgpu_info {
    488 	/* Where the return value will be stored */
    489 	uint64_t return_pointer;
    490 	/* The size of the return value. Just like "size" in "snprintf",
    491 	 * it limits how many bytes the kernel can write. */
    492 	uint32_t return_size;
    493 	/* The query request id. */
    494 	uint32_t query;
    495 
    496 	union {
    497 		struct {
    498 			uint32_t id;
    499 			uint32_t _pad;
    500 		} mode_crtc;
    501 
    502 		struct {
    503 			/** AMDGPU_HW_IP_* */
    504 			uint32_t type;
    505 			/**
    506 			 * Index of the IP if there are more IPs of the same
    507 			 * type. Ignored by AMDGPU_INFO_HW_IP_COUNT.
    508 			 */
    509 			uint32_t ip_instance;
    510 		} query_hw_ip;
    511 
    512 		struct {
    513 			uint32_t dword_offset;
    514 			/** number of registers to read */
    515 			uint32_t count;
    516 			uint32_t instance;
    517 			/** For future use, no flags defined so far */
    518 			uint32_t flags;
    519 		} read_mmr_reg;
    520 
    521 		struct {
    522 			/** AMDGPU_INFO_FW_* */
    523 			uint32_t fw_type;
    524 			/**
    525 			 * Index of the IP if there are more IPs of
    526 			 * the same type.
    527 			 */
    528 			uint32_t ip_instance;
    529 			/**
    530 			 * Index of the engine. Whether this is used depends
    531 			 * on the firmware type. (e.g. MEC, SDMA)
    532 			 */
    533 			uint32_t index;
    534 			uint32_t _pad;
    535 		} query_fw;
    536 	};
    537 };
    538 
    539 struct drm_amdgpu_info_gds {
    540 	/** GDS GFX partition size */
    541 	uint32_t gds_gfx_partition_size;
    542 	/** GDS compute partition size */
    543 	uint32_t compute_partition_size;
    544 	/** total GDS memory size */
    545 	uint32_t gds_total_size;
    546 	/** GWS size per GFX partition */
    547 	uint32_t gws_per_gfx_partition;
    548 	/** GSW size per compute partition */
    549 	uint32_t gws_per_compute_partition;
    550 	/** OA size per GFX partition */
    551 	uint32_t oa_per_gfx_partition;
    552 	/** OA size per compute partition */
    553 	uint32_t oa_per_compute_partition;
    554 	uint32_t _pad;
    555 };
    556 
    557 struct drm_amdgpu_info_vram_gtt {
    558 	uint64_t vram_size;
    559 	uint64_t vram_cpu_accessible_size;
    560 	uint64_t gtt_size;
    561 };
    562 
    563 struct drm_amdgpu_info_firmware {
    564 	uint32_t ver;
    565 	uint32_t feature;
    566 };
    567 
    568 #define AMDGPU_VRAM_TYPE_UNKNOWN 0
    569 #define AMDGPU_VRAM_TYPE_GDDR1 1
    570 #define AMDGPU_VRAM_TYPE_DDR2  2
    571 #define AMDGPU_VRAM_TYPE_GDDR3 3
    572 #define AMDGPU_VRAM_TYPE_GDDR4 4
    573 #define AMDGPU_VRAM_TYPE_GDDR5 5
    574 #define AMDGPU_VRAM_TYPE_HBM   6
    575 #define AMDGPU_VRAM_TYPE_DDR3  7
    576 
    577 struct drm_amdgpu_info_device {
    578 	/** PCI Device ID */
    579 	uint32_t device_id;
    580 	/** Internal chip revision: A0, A1, etc.) */
    581 	uint32_t chip_rev;
    582 	uint32_t external_rev;
    583 	/** Revision id in PCI Config space */
    584 	uint32_t pci_rev;
    585 	uint32_t family;
    586 	uint32_t num_shader_engines;
    587 	uint32_t num_shader_arrays_per_engine;
    588 	/* in KHz */
    589 	uint32_t gpu_counter_freq;
    590 	uint64_t max_engine_clock;
    591 	uint64_t max_memory_clock;
    592 	/* cu information */
    593 	uint32_t cu_active_number;
    594 	uint32_t cu_ao_mask;
    595 	uint32_t cu_bitmap[4][4];
    596 	/** Render backend pipe mask. One render backend is CB+DB. */
    597 	uint32_t enabled_rb_pipes_mask;
    598 	uint32_t num_rb_pipes;
    599 	uint32_t num_hw_gfx_contexts;
    600 	uint32_t _pad;
    601 	uint64_t ids_flags;
    602 	/** Starting virtual address for UMDs. */
    603 	uint64_t virtual_address_offset;
    604 	/** The maximum virtual address */
    605 	uint64_t virtual_address_max;
    606 	/** Required alignment of virtual addresses. */
    607 	uint32_t virtual_address_alignment;
    608 	/** Page table entry - fragment size */
    609 	uint32_t pte_fragment_size;
    610 	uint32_t gart_page_size;
    611 	/** constant engine ram size*/
    612 	uint32_t ce_ram_size;
    613 	/** video memory type info*/
    614 	uint32_t vram_type;
    615 	/** video memory bit width*/
    616 	uint32_t vram_bit_width;
    617 	/* vce harvesting instance */
    618 	uint32_t vce_harvest_config;
    619 };
    620 
    621 struct drm_amdgpu_info_hw_ip {
    622 	/** Version of h/w IP */
    623 	uint32_t  hw_ip_version_major;
    624 	uint32_t  hw_ip_version_minor;
    625 	/** Capabilities */
    626 	uint64_t  capabilities_flags;
    627 	/** command buffer address start alignment*/
    628 	uint32_t  ib_start_alignment;
    629 	/** command buffer size alignment*/
    630 	uint32_t  ib_size_alignment;
    631 	/** Bitmask of available rings. Bit 0 means ring 0, etc. */
    632 	uint32_t  available_rings;
    633 	uint32_t  _pad;
    634 };
    635 
    636 /*
    637  * Supported GPU families
    638  */
    639 #define AMDGPU_FAMILY_UNKNOWN			0
    640 #define AMDGPU_FAMILY_CI			120 /* Bonaire, Hawaii */
    641 #define AMDGPU_FAMILY_KV			125 /* Kaveri, Kabini, Mullins */
    642 #define AMDGPU_FAMILY_VI			130 /* Iceland, Tonga */
    643 #define AMDGPU_FAMILY_CZ			135 /* Carrizo */
    644 
    645 #endif
    646