xref: /openbmc/linux/include/uapi/drm/amdgpu_drm.h (revision 23c2b932)
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 #if defined(__cplusplus)
38 extern "C" {
39 #endif
40 
41 #define DRM_AMDGPU_GEM_CREATE		0x00
42 #define DRM_AMDGPU_GEM_MMAP		0x01
43 #define DRM_AMDGPU_CTX			0x02
44 #define DRM_AMDGPU_BO_LIST		0x03
45 #define DRM_AMDGPU_CS			0x04
46 #define DRM_AMDGPU_INFO			0x05
47 #define DRM_AMDGPU_GEM_METADATA		0x06
48 #define DRM_AMDGPU_GEM_WAIT_IDLE	0x07
49 #define DRM_AMDGPU_GEM_VA		0x08
50 #define DRM_AMDGPU_WAIT_CS		0x09
51 #define DRM_AMDGPU_GEM_OP		0x10
52 #define DRM_AMDGPU_GEM_USERPTR		0x11
53 
54 #define DRM_IOCTL_AMDGPU_GEM_CREATE	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_CREATE, union drm_amdgpu_gem_create)
55 #define DRM_IOCTL_AMDGPU_GEM_MMAP	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_MMAP, union drm_amdgpu_gem_mmap)
56 #define DRM_IOCTL_AMDGPU_CTX		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_CTX, union drm_amdgpu_ctx)
57 #define DRM_IOCTL_AMDGPU_BO_LIST	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_BO_LIST, union drm_amdgpu_bo_list)
58 #define DRM_IOCTL_AMDGPU_CS		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_CS, union drm_amdgpu_cs)
59 #define DRM_IOCTL_AMDGPU_INFO		DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_INFO, struct drm_amdgpu_info)
60 #define DRM_IOCTL_AMDGPU_GEM_METADATA	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_METADATA, struct drm_amdgpu_gem_metadata)
61 #define DRM_IOCTL_AMDGPU_GEM_WAIT_IDLE	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_WAIT_IDLE, union drm_amdgpu_gem_wait_idle)
62 #define DRM_IOCTL_AMDGPU_GEM_VA		DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_VA, struct drm_amdgpu_gem_va)
63 #define DRM_IOCTL_AMDGPU_WAIT_CS	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_WAIT_CS, union drm_amdgpu_wait_cs)
64 #define DRM_IOCTL_AMDGPU_GEM_OP		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_OP, struct drm_amdgpu_gem_op)
65 #define DRM_IOCTL_AMDGPU_GEM_USERPTR	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_USERPTR, struct drm_amdgpu_gem_userptr)
66 
67 #define AMDGPU_GEM_DOMAIN_CPU		0x1
68 #define AMDGPU_GEM_DOMAIN_GTT		0x2
69 #define AMDGPU_GEM_DOMAIN_VRAM		0x4
70 #define AMDGPU_GEM_DOMAIN_GDS		0x8
71 #define AMDGPU_GEM_DOMAIN_GWS		0x10
72 #define AMDGPU_GEM_DOMAIN_OA		0x20
73 
74 /* Flag that CPU access will be required for the case of VRAM domain */
75 #define AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED	(1 << 0)
76 /* Flag that CPU access will not work, this VRAM domain is invisible */
77 #define AMDGPU_GEM_CREATE_NO_CPU_ACCESS		(1 << 1)
78 /* Flag that USWC attributes should be used for GTT */
79 #define AMDGPU_GEM_CREATE_CPU_GTT_USWC		(1 << 2)
80 
81 struct drm_amdgpu_gem_create_in  {
82 	/** the requested memory size */
83 	__u64 bo_size;
84 	/** physical start_addr alignment in bytes for some HW requirements */
85 	__u64 alignment;
86 	/** the requested memory domains */
87 	__u64 domains;
88 	/** allocation flags */
89 	__u64 domain_flags;
90 };
91 
92 struct drm_amdgpu_gem_create_out  {
93 	/** returned GEM object handle */
94 	__u32 handle;
95 	__u32 _pad;
96 };
97 
98 union drm_amdgpu_gem_create {
99 	struct drm_amdgpu_gem_create_in		in;
100 	struct drm_amdgpu_gem_create_out	out;
101 };
102 
103 /** Opcode to create new residency list.  */
104 #define AMDGPU_BO_LIST_OP_CREATE	0
105 /** Opcode to destroy previously created residency list */
106 #define AMDGPU_BO_LIST_OP_DESTROY	1
107 /** Opcode to update resource information in the list */
108 #define AMDGPU_BO_LIST_OP_UPDATE	2
109 
110 struct drm_amdgpu_bo_list_in {
111 	/** Type of operation */
112 	__u32 operation;
113 	/** Handle of list or 0 if we want to create one */
114 	__u32 list_handle;
115 	/** Number of BOs in list  */
116 	__u32 bo_number;
117 	/** Size of each element describing BO */
118 	__u32 bo_info_size;
119 	/** Pointer to array describing BOs */
120 	__u64 bo_info_ptr;
121 };
122 
123 struct drm_amdgpu_bo_list_entry {
124 	/** Handle of BO */
125 	__u32 bo_handle;
126 	/** New (if specified) BO priority to be used during migration */
127 	__u32 bo_priority;
128 };
129 
130 struct drm_amdgpu_bo_list_out {
131 	/** Handle of resource list  */
132 	__u32 list_handle;
133 	__u32 _pad;
134 };
135 
136 union drm_amdgpu_bo_list {
137 	struct drm_amdgpu_bo_list_in in;
138 	struct drm_amdgpu_bo_list_out out;
139 };
140 
141 /* context related */
142 #define AMDGPU_CTX_OP_ALLOC_CTX	1
143 #define AMDGPU_CTX_OP_FREE_CTX	2
144 #define AMDGPU_CTX_OP_QUERY_STATE	3
145 
146 /* GPU reset status */
147 #define AMDGPU_CTX_NO_RESET		0
148 /* this the context caused it */
149 #define AMDGPU_CTX_GUILTY_RESET		1
150 /* some other context caused it */
151 #define AMDGPU_CTX_INNOCENT_RESET	2
152 /* unknown cause */
153 #define AMDGPU_CTX_UNKNOWN_RESET	3
154 
155 struct drm_amdgpu_ctx_in {
156 	/** AMDGPU_CTX_OP_* */
157 	__u32	op;
158 	/** For future use, no flags defined so far */
159 	__u32	flags;
160 	__u32	ctx_id;
161 	__u32	_pad;
162 };
163 
164 union drm_amdgpu_ctx_out {
165 		struct {
166 			__u32	ctx_id;
167 			__u32	_pad;
168 		} alloc;
169 
170 		struct {
171 			/** For future use, no flags defined so far */
172 			__u64	flags;
173 			/** Number of resets caused by this context so far. */
174 			__u32	hangs;
175 			/** Reset status since the last call of the ioctl. */
176 			__u32	reset_status;
177 		} state;
178 };
179 
180 union drm_amdgpu_ctx {
181 	struct drm_amdgpu_ctx_in in;
182 	union drm_amdgpu_ctx_out out;
183 };
184 
185 /*
186  * This is not a reliable API and you should expect it to fail for any
187  * number of reasons and have fallback path that do not use userptr to
188  * perform any operation.
189  */
190 #define AMDGPU_GEM_USERPTR_READONLY	(1 << 0)
191 #define AMDGPU_GEM_USERPTR_ANONONLY	(1 << 1)
192 #define AMDGPU_GEM_USERPTR_VALIDATE	(1 << 2)
193 #define AMDGPU_GEM_USERPTR_REGISTER	(1 << 3)
194 
195 struct drm_amdgpu_gem_userptr {
196 	__u64		addr;
197 	__u64		size;
198 	/* AMDGPU_GEM_USERPTR_* */
199 	__u32		flags;
200 	/* Resulting GEM handle */
201 	__u32		handle;
202 };
203 
204 /* same meaning as the GB_TILE_MODE and GL_MACRO_TILE_MODE fields */
205 #define AMDGPU_TILING_ARRAY_MODE_SHIFT			0
206 #define AMDGPU_TILING_ARRAY_MODE_MASK			0xf
207 #define AMDGPU_TILING_PIPE_CONFIG_SHIFT			4
208 #define AMDGPU_TILING_PIPE_CONFIG_MASK			0x1f
209 #define AMDGPU_TILING_TILE_SPLIT_SHIFT			9
210 #define AMDGPU_TILING_TILE_SPLIT_MASK			0x7
211 #define AMDGPU_TILING_MICRO_TILE_MODE_SHIFT		12
212 #define AMDGPU_TILING_MICRO_TILE_MODE_MASK		0x7
213 #define AMDGPU_TILING_BANK_WIDTH_SHIFT			15
214 #define AMDGPU_TILING_BANK_WIDTH_MASK			0x3
215 #define AMDGPU_TILING_BANK_HEIGHT_SHIFT			17
216 #define AMDGPU_TILING_BANK_HEIGHT_MASK			0x3
217 #define AMDGPU_TILING_MACRO_TILE_ASPECT_SHIFT		19
218 #define AMDGPU_TILING_MACRO_TILE_ASPECT_MASK		0x3
219 #define AMDGPU_TILING_NUM_BANKS_SHIFT			21
220 #define AMDGPU_TILING_NUM_BANKS_MASK			0x3
221 
222 #define AMDGPU_TILING_SET(field, value) \
223 	(((value) & AMDGPU_TILING_##field##_MASK) << AMDGPU_TILING_##field##_SHIFT)
224 #define AMDGPU_TILING_GET(value, field) \
225 	(((value) >> AMDGPU_TILING_##field##_SHIFT) & AMDGPU_TILING_##field##_MASK)
226 
227 #define AMDGPU_GEM_METADATA_OP_SET_METADATA                  1
228 #define AMDGPU_GEM_METADATA_OP_GET_METADATA                  2
229 
230 /** The same structure is shared for input/output */
231 struct drm_amdgpu_gem_metadata {
232 	/** GEM Object handle */
233 	__u32	handle;
234 	/** Do we want get or set metadata */
235 	__u32	op;
236 	struct {
237 		/** For future use, no flags defined so far */
238 		__u64	flags;
239 		/** family specific tiling info */
240 		__u64	tiling_info;
241 		__u32	data_size_bytes;
242 		__u32	data[64];
243 	} data;
244 };
245 
246 struct drm_amdgpu_gem_mmap_in {
247 	/** the GEM object handle */
248 	__u32 handle;
249 	__u32 _pad;
250 };
251 
252 struct drm_amdgpu_gem_mmap_out {
253 	/** mmap offset from the vma offset manager */
254 	__u64 addr_ptr;
255 };
256 
257 union drm_amdgpu_gem_mmap {
258 	struct drm_amdgpu_gem_mmap_in   in;
259 	struct drm_amdgpu_gem_mmap_out out;
260 };
261 
262 struct drm_amdgpu_gem_wait_idle_in {
263 	/** GEM object handle */
264 	__u32 handle;
265 	/** For future use, no flags defined so far */
266 	__u32 flags;
267 	/** Absolute timeout to wait */
268 	__u64 timeout;
269 };
270 
271 struct drm_amdgpu_gem_wait_idle_out {
272 	/** BO status:  0 - BO is idle, 1 - BO is busy */
273 	__u32 status;
274 	/** Returned current memory domain */
275 	__u32 domain;
276 };
277 
278 union drm_amdgpu_gem_wait_idle {
279 	struct drm_amdgpu_gem_wait_idle_in  in;
280 	struct drm_amdgpu_gem_wait_idle_out out;
281 };
282 
283 struct drm_amdgpu_wait_cs_in {
284 	/** Command submission handle */
285 	__u64 handle;
286 	/** Absolute timeout to wait */
287 	__u64 timeout;
288 	__u32 ip_type;
289 	__u32 ip_instance;
290 	__u32 ring;
291 	__u32 ctx_id;
292 };
293 
294 struct drm_amdgpu_wait_cs_out {
295 	/** CS status:  0 - CS completed, 1 - CS still busy */
296 	__u64 status;
297 };
298 
299 union drm_amdgpu_wait_cs {
300 	struct drm_amdgpu_wait_cs_in in;
301 	struct drm_amdgpu_wait_cs_out out;
302 };
303 
304 #define AMDGPU_GEM_OP_GET_GEM_CREATE_INFO	0
305 #define AMDGPU_GEM_OP_SET_PLACEMENT		1
306 
307 /* Sets or returns a value associated with a buffer. */
308 struct drm_amdgpu_gem_op {
309 	/** GEM object handle */
310 	__u32	handle;
311 	/** AMDGPU_GEM_OP_* */
312 	__u32	op;
313 	/** Input or return value */
314 	__u64	value;
315 };
316 
317 #define AMDGPU_VA_OP_MAP			1
318 #define AMDGPU_VA_OP_UNMAP			2
319 
320 /* Delay the page table update till the next CS */
321 #define AMDGPU_VM_DELAY_UPDATE		(1 << 0)
322 
323 /* Mapping flags */
324 /* readable mapping */
325 #define AMDGPU_VM_PAGE_READABLE		(1 << 1)
326 /* writable mapping */
327 #define AMDGPU_VM_PAGE_WRITEABLE	(1 << 2)
328 /* executable mapping, new for VI */
329 #define AMDGPU_VM_PAGE_EXECUTABLE	(1 << 3)
330 
331 struct drm_amdgpu_gem_va {
332 	/** GEM object handle */
333 	__u32 handle;
334 	__u32 _pad;
335 	/** AMDGPU_VA_OP_* */
336 	__u32 operation;
337 	/** AMDGPU_VM_PAGE_* */
338 	__u32 flags;
339 	/** va address to assign . Must be correctly aligned.*/
340 	__u64 va_address;
341 	/** Specify offset inside of BO to assign. Must be correctly aligned.*/
342 	__u64 offset_in_bo;
343 	/** Specify mapping size. Must be correctly aligned. */
344 	__u64 map_size;
345 };
346 
347 #define AMDGPU_HW_IP_GFX          0
348 #define AMDGPU_HW_IP_COMPUTE      1
349 #define AMDGPU_HW_IP_DMA          2
350 #define AMDGPU_HW_IP_UVD          3
351 #define AMDGPU_HW_IP_VCE          4
352 #define AMDGPU_HW_IP_NUM          5
353 
354 #define AMDGPU_HW_IP_INSTANCE_MAX_COUNT 1
355 
356 #define AMDGPU_CHUNK_ID_IB		0x01
357 #define AMDGPU_CHUNK_ID_FENCE		0x02
358 #define AMDGPU_CHUNK_ID_DEPENDENCIES	0x03
359 
360 struct drm_amdgpu_cs_chunk {
361 	__u32		chunk_id;
362 	__u32		length_dw;
363 	__u64		chunk_data;
364 };
365 
366 struct drm_amdgpu_cs_in {
367 	/** Rendering context id */
368 	__u32		ctx_id;
369 	/**  Handle of resource list associated with CS */
370 	__u32		bo_list_handle;
371 	__u32		num_chunks;
372 	__u32		_pad;
373 	/** this points to __u64 * which point to cs chunks */
374 	__u64		chunks;
375 };
376 
377 struct drm_amdgpu_cs_out {
378 	__u64 handle;
379 };
380 
381 union drm_amdgpu_cs {
382 	struct drm_amdgpu_cs_in in;
383 	struct drm_amdgpu_cs_out out;
384 };
385 
386 /* Specify flags to be used for IB */
387 
388 /* This IB should be submitted to CE */
389 #define AMDGPU_IB_FLAG_CE	(1<<0)
390 
391 /* CE Preamble */
392 #define AMDGPU_IB_FLAG_PREAMBLE (1<<1)
393 
394 struct drm_amdgpu_cs_chunk_ib {
395 	__u32 _pad;
396 	/** AMDGPU_IB_FLAG_* */
397 	__u32 flags;
398 	/** Virtual address to begin IB execution */
399 	__u64 va_start;
400 	/** Size of submission */
401 	__u32 ib_bytes;
402 	/** HW IP to submit to */
403 	__u32 ip_type;
404 	/** HW IP index of the same type to submit to  */
405 	__u32 ip_instance;
406 	/** Ring index to submit to */
407 	__u32 ring;
408 };
409 
410 struct drm_amdgpu_cs_chunk_dep {
411 	__u32 ip_type;
412 	__u32 ip_instance;
413 	__u32 ring;
414 	__u32 ctx_id;
415 	__u64 handle;
416 };
417 
418 struct drm_amdgpu_cs_chunk_fence {
419 	__u32 handle;
420 	__u32 offset;
421 };
422 
423 struct drm_amdgpu_cs_chunk_data {
424 	union {
425 		struct drm_amdgpu_cs_chunk_ib		ib_data;
426 		struct drm_amdgpu_cs_chunk_fence	fence_data;
427 	};
428 };
429 
430 /**
431  *  Query h/w info: Flag that this is integrated (a.h.a. fusion) GPU
432  *
433  */
434 #define AMDGPU_IDS_FLAGS_FUSION         0x1
435 
436 /* indicate if acceleration can be working */
437 #define AMDGPU_INFO_ACCEL_WORKING		0x00
438 /* get the crtc_id from the mode object id? */
439 #define AMDGPU_INFO_CRTC_FROM_ID		0x01
440 /* query hw IP info */
441 #define AMDGPU_INFO_HW_IP_INFO			0x02
442 /* query hw IP instance count for the specified type */
443 #define AMDGPU_INFO_HW_IP_COUNT			0x03
444 /* timestamp for GL_ARB_timer_query */
445 #define AMDGPU_INFO_TIMESTAMP			0x05
446 /* Query the firmware version */
447 #define AMDGPU_INFO_FW_VERSION			0x0e
448 	/* Subquery id: Query VCE firmware version */
449 	#define AMDGPU_INFO_FW_VCE		0x1
450 	/* Subquery id: Query UVD firmware version */
451 	#define AMDGPU_INFO_FW_UVD		0x2
452 	/* Subquery id: Query GMC firmware version */
453 	#define AMDGPU_INFO_FW_GMC		0x03
454 	/* Subquery id: Query GFX ME firmware version */
455 	#define AMDGPU_INFO_FW_GFX_ME		0x04
456 	/* Subquery id: Query GFX PFP firmware version */
457 	#define AMDGPU_INFO_FW_GFX_PFP		0x05
458 	/* Subquery id: Query GFX CE firmware version */
459 	#define AMDGPU_INFO_FW_GFX_CE		0x06
460 	/* Subquery id: Query GFX RLC firmware version */
461 	#define AMDGPU_INFO_FW_GFX_RLC		0x07
462 	/* Subquery id: Query GFX MEC firmware version */
463 	#define AMDGPU_INFO_FW_GFX_MEC		0x08
464 	/* Subquery id: Query SMC firmware version */
465 	#define AMDGPU_INFO_FW_SMC		0x0a
466 	/* Subquery id: Query SDMA firmware version */
467 	#define AMDGPU_INFO_FW_SDMA		0x0b
468 /* number of bytes moved for TTM migration */
469 #define AMDGPU_INFO_NUM_BYTES_MOVED		0x0f
470 /* the used VRAM size */
471 #define AMDGPU_INFO_VRAM_USAGE			0x10
472 /* the used GTT size */
473 #define AMDGPU_INFO_GTT_USAGE			0x11
474 /* Information about GDS, etc. resource configuration */
475 #define AMDGPU_INFO_GDS_CONFIG			0x13
476 /* Query information about VRAM and GTT domains */
477 #define AMDGPU_INFO_VRAM_GTT			0x14
478 /* Query information about register in MMR address space*/
479 #define AMDGPU_INFO_READ_MMR_REG		0x15
480 /* Query information about device: rev id, family, etc. */
481 #define AMDGPU_INFO_DEV_INFO			0x16
482 /* visible vram usage */
483 #define AMDGPU_INFO_VIS_VRAM_USAGE		0x17
484 
485 #define AMDGPU_INFO_MMR_SE_INDEX_SHIFT	0
486 #define AMDGPU_INFO_MMR_SE_INDEX_MASK	0xff
487 #define AMDGPU_INFO_MMR_SH_INDEX_SHIFT	8
488 #define AMDGPU_INFO_MMR_SH_INDEX_MASK	0xff
489 
490 /* Input structure for the INFO ioctl */
491 struct drm_amdgpu_info {
492 	/* Where the return value will be stored */
493 	__u64 return_pointer;
494 	/* The size of the return value. Just like "size" in "snprintf",
495 	 * it limits how many bytes the kernel can write. */
496 	__u32 return_size;
497 	/* The query request id. */
498 	__u32 query;
499 
500 	union {
501 		struct {
502 			__u32 id;
503 			__u32 _pad;
504 		} mode_crtc;
505 
506 		struct {
507 			/** AMDGPU_HW_IP_* */
508 			__u32 type;
509 			/**
510 			 * Index of the IP if there are more IPs of the same
511 			 * type. Ignored by AMDGPU_INFO_HW_IP_COUNT.
512 			 */
513 			__u32 ip_instance;
514 		} query_hw_ip;
515 
516 		struct {
517 			__u32 dword_offset;
518 			/** number of registers to read */
519 			__u32 count;
520 			__u32 instance;
521 			/** For future use, no flags defined so far */
522 			__u32 flags;
523 		} read_mmr_reg;
524 
525 		struct {
526 			/** AMDGPU_INFO_FW_* */
527 			__u32 fw_type;
528 			/**
529 			 * Index of the IP if there are more IPs of
530 			 * the same type.
531 			 */
532 			__u32 ip_instance;
533 			/**
534 			 * Index of the engine. Whether this is used depends
535 			 * on the firmware type. (e.g. MEC, SDMA)
536 			 */
537 			__u32 index;
538 			__u32 _pad;
539 		} query_fw;
540 	};
541 };
542 
543 struct drm_amdgpu_info_gds {
544 	/** GDS GFX partition size */
545 	__u32 gds_gfx_partition_size;
546 	/** GDS compute partition size */
547 	__u32 compute_partition_size;
548 	/** total GDS memory size */
549 	__u32 gds_total_size;
550 	/** GWS size per GFX partition */
551 	__u32 gws_per_gfx_partition;
552 	/** GSW size per compute partition */
553 	__u32 gws_per_compute_partition;
554 	/** OA size per GFX partition */
555 	__u32 oa_per_gfx_partition;
556 	/** OA size per compute partition */
557 	__u32 oa_per_compute_partition;
558 	__u32 _pad;
559 };
560 
561 struct drm_amdgpu_info_vram_gtt {
562 	__u64 vram_size;
563 	__u64 vram_cpu_accessible_size;
564 	__u64 gtt_size;
565 };
566 
567 struct drm_amdgpu_info_firmware {
568 	__u32 ver;
569 	__u32 feature;
570 };
571 
572 #define AMDGPU_VRAM_TYPE_UNKNOWN 0
573 #define AMDGPU_VRAM_TYPE_GDDR1 1
574 #define AMDGPU_VRAM_TYPE_DDR2  2
575 #define AMDGPU_VRAM_TYPE_GDDR3 3
576 #define AMDGPU_VRAM_TYPE_GDDR4 4
577 #define AMDGPU_VRAM_TYPE_GDDR5 5
578 #define AMDGPU_VRAM_TYPE_HBM   6
579 #define AMDGPU_VRAM_TYPE_DDR3  7
580 
581 struct drm_amdgpu_info_device {
582 	/** PCI Device ID */
583 	__u32 device_id;
584 	/** Internal chip revision: A0, A1, etc.) */
585 	__u32 chip_rev;
586 	__u32 external_rev;
587 	/** Revision id in PCI Config space */
588 	__u32 pci_rev;
589 	__u32 family;
590 	__u32 num_shader_engines;
591 	__u32 num_shader_arrays_per_engine;
592 	/* in KHz */
593 	__u32 gpu_counter_freq;
594 	__u64 max_engine_clock;
595 	__u64 max_memory_clock;
596 	/* cu information */
597 	__u32 cu_active_number;
598 	__u32 cu_ao_mask;
599 	__u32 cu_bitmap[4][4];
600 	/** Render backend pipe mask. One render backend is CB+DB. */
601 	__u32 enabled_rb_pipes_mask;
602 	__u32 num_rb_pipes;
603 	__u32 num_hw_gfx_contexts;
604 	__u32 _pad;
605 	__u64 ids_flags;
606 	/** Starting virtual address for UMDs. */
607 	__u64 virtual_address_offset;
608 	/** The maximum virtual address */
609 	__u64 virtual_address_max;
610 	/** Required alignment of virtual addresses. */
611 	__u32 virtual_address_alignment;
612 	/** Page table entry - fragment size */
613 	__u32 pte_fragment_size;
614 	__u32 gart_page_size;
615 	/** constant engine ram size*/
616 	__u32 ce_ram_size;
617 	/** video memory type info*/
618 	__u32 vram_type;
619 	/** video memory bit width*/
620 	__u32 vram_bit_width;
621 	/* vce harvesting instance */
622 	__u32 vce_harvest_config;
623 };
624 
625 struct drm_amdgpu_info_hw_ip {
626 	/** Version of h/w IP */
627 	__u32  hw_ip_version_major;
628 	__u32  hw_ip_version_minor;
629 	/** Capabilities */
630 	__u64  capabilities_flags;
631 	/** command buffer address start alignment*/
632 	__u32  ib_start_alignment;
633 	/** command buffer size alignment*/
634 	__u32  ib_size_alignment;
635 	/** Bitmask of available rings. Bit 0 means ring 0, etc. */
636 	__u32  available_rings;
637 	__u32  _pad;
638 };
639 
640 /*
641  * Supported GPU families
642  */
643 #define AMDGPU_FAMILY_UNKNOWN			0
644 #define AMDGPU_FAMILY_CI			120 /* Bonaire, Hawaii */
645 #define AMDGPU_FAMILY_KV			125 /* Kaveri, Kabini, Mullins */
646 #define AMDGPU_FAMILY_VI			130 /* Iceland, Tonga */
647 #define AMDGPU_FAMILY_CZ			135 /* Carrizo, Stoney */
648 
649 #if defined(__cplusplus)
650 }
651 #endif
652 
653 #endif
654