xref: /linux/include/uapi/drm/amdgpu_drm.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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@valinux.com>
28  *    Gareth Hughes <gareth@valinux.com>
29  *    Keith Whitwell <keith@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