amdgpu_drm.h revision 2fd4b3cf888b560db61afa9e50dd42039e07a8b2
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)
38extern "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#define DRM_AMDGPU_WAIT_FENCES		0x12
54
55#define DRM_IOCTL_AMDGPU_GEM_CREATE	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_CREATE, union drm_amdgpu_gem_create)
56#define DRM_IOCTL_AMDGPU_GEM_MMAP	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_MMAP, union drm_amdgpu_gem_mmap)
57#define DRM_IOCTL_AMDGPU_CTX		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_CTX, union drm_amdgpu_ctx)
58#define DRM_IOCTL_AMDGPU_BO_LIST	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_BO_LIST, union drm_amdgpu_bo_list)
59#define DRM_IOCTL_AMDGPU_CS		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_CS, union drm_amdgpu_cs)
60#define DRM_IOCTL_AMDGPU_INFO		DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_INFO, struct drm_amdgpu_info)
61#define DRM_IOCTL_AMDGPU_GEM_METADATA	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_METADATA, struct drm_amdgpu_gem_metadata)
62#define DRM_IOCTL_AMDGPU_GEM_WAIT_IDLE	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_WAIT_IDLE, union drm_amdgpu_gem_wait_idle)
63#define DRM_IOCTL_AMDGPU_GEM_VA		DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_VA, struct drm_amdgpu_gem_va)
64#define DRM_IOCTL_AMDGPU_WAIT_CS	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_WAIT_CS, union drm_amdgpu_wait_cs)
65#define DRM_IOCTL_AMDGPU_GEM_OP		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_OP, struct drm_amdgpu_gem_op)
66#define DRM_IOCTL_AMDGPU_GEM_USERPTR	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_USERPTR, struct drm_amdgpu_gem_userptr)
67#define DRM_IOCTL_AMDGPU_WAIT_FENCES	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_WAIT_FENCES, union drm_amdgpu_wait_fences)
68
69#define AMDGPU_GEM_DOMAIN_CPU		0x1
70#define AMDGPU_GEM_DOMAIN_GTT		0x2
71#define AMDGPU_GEM_DOMAIN_VRAM		0x4
72#define AMDGPU_GEM_DOMAIN_GDS		0x8
73#define AMDGPU_GEM_DOMAIN_GWS		0x10
74#define AMDGPU_GEM_DOMAIN_OA		0x20
75
76/* Flag that CPU access will be required for the case of VRAM domain */
77#define AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED	(1 << 0)
78/* Flag that CPU access will not work, this VRAM domain is invisible */
79#define AMDGPU_GEM_CREATE_NO_CPU_ACCESS		(1 << 1)
80/* Flag that USWC attributes should be used for GTT */
81#define AMDGPU_GEM_CREATE_CPU_GTT_USWC		(1 << 2)
82/* Flag that the memory should be in VRAM and cleared */
83#define AMDGPU_GEM_CREATE_VRAM_CLEARED		(1 << 3)
84/* Flag that create shadow bo(GTT) while allocating vram bo */
85#define AMDGPU_GEM_CREATE_SHADOW		(1 << 4)
86/* Flag that allocating the BO should use linear VRAM */
87#define AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS	(1 << 5)
88
89struct drm_amdgpu_gem_create_in  {
90	/** the requested memory size */
91	__u64 bo_size;
92	/** physical start_addr alignment in bytes for some HW requirements */
93	__u64 alignment;
94	/** the requested memory domains */
95	__u64 domains;
96	/** allocation flags */
97	__u64 domain_flags;
98};
99
100struct drm_amdgpu_gem_create_out  {
101	/** returned GEM object handle */
102	__u32 handle;
103	__u32 _pad;
104};
105
106union drm_amdgpu_gem_create {
107	struct drm_amdgpu_gem_create_in		in;
108	struct drm_amdgpu_gem_create_out	out;
109};
110
111/** Opcode to create new residency list.  */
112#define AMDGPU_BO_LIST_OP_CREATE	0
113/** Opcode to destroy previously created residency list */
114#define AMDGPU_BO_LIST_OP_DESTROY	1
115/** Opcode to update resource information in the list */
116#define AMDGPU_BO_LIST_OP_UPDATE	2
117
118struct drm_amdgpu_bo_list_in {
119	/** Type of operation */
120	__u32 operation;
121	/** Handle of list or 0 if we want to create one */
122	__u32 list_handle;
123	/** Number of BOs in list  */
124	__u32 bo_number;
125	/** Size of each element describing BO */
126	__u32 bo_info_size;
127	/** Pointer to array describing BOs */
128	__u64 bo_info_ptr;
129};
130
131struct drm_amdgpu_bo_list_entry {
132	/** Handle of BO */
133	__u32 bo_handle;
134	/** New (if specified) BO priority to be used during migration */
135	__u32 bo_priority;
136};
137
138struct drm_amdgpu_bo_list_out {
139	/** Handle of resource list  */
140	__u32 list_handle;
141	__u32 _pad;
142};
143
144union drm_amdgpu_bo_list {
145	struct drm_amdgpu_bo_list_in in;
146	struct drm_amdgpu_bo_list_out out;
147};
148
149/* context related */
150#define AMDGPU_CTX_OP_ALLOC_CTX	1
151#define AMDGPU_CTX_OP_FREE_CTX	2
152#define AMDGPU_CTX_OP_QUERY_STATE	3
153
154/* GPU reset status */
155#define AMDGPU_CTX_NO_RESET		0
156/* this the context caused it */
157#define AMDGPU_CTX_GUILTY_RESET		1
158/* some other context caused it */
159#define AMDGPU_CTX_INNOCENT_RESET	2
160/* unknown cause */
161#define AMDGPU_CTX_UNKNOWN_RESET	3
162
163struct drm_amdgpu_ctx_in {
164	/** AMDGPU_CTX_OP_* */
165	__u32	op;
166	/** For future use, no flags defined so far */
167	__u32	flags;
168	__u32	ctx_id;
169	__u32	_pad;
170};
171
172union drm_amdgpu_ctx_out {
173		struct {
174			__u32	ctx_id;
175			__u32	_pad;
176		} alloc;
177
178		struct {
179			/** For future use, no flags defined so far */
180			__u64	flags;
181			/** Number of resets caused by this context so far. */
182			__u32	hangs;
183			/** Reset status since the last call of the ioctl. */
184			__u32	reset_status;
185		} state;
186};
187
188union drm_amdgpu_ctx {
189	struct drm_amdgpu_ctx_in in;
190	union drm_amdgpu_ctx_out out;
191};
192
193/*
194 * This is not a reliable API and you should expect it to fail for any
195 * number of reasons and have fallback path that do not use userptr to
196 * perform any operation.
197 */
198#define AMDGPU_GEM_USERPTR_READONLY	(1 << 0)
199#define AMDGPU_GEM_USERPTR_ANONONLY	(1 << 1)
200#define AMDGPU_GEM_USERPTR_VALIDATE	(1 << 2)
201#define AMDGPU_GEM_USERPTR_REGISTER	(1 << 3)
202
203struct drm_amdgpu_gem_userptr {
204	__u64		addr;
205	__u64		size;
206	/* AMDGPU_GEM_USERPTR_* */
207	__u32		flags;
208	/* Resulting GEM handle */
209	__u32		handle;
210};
211
212/* same meaning as the GB_TILE_MODE and GL_MACRO_TILE_MODE fields */
213#define AMDGPU_TILING_ARRAY_MODE_SHIFT			0
214#define AMDGPU_TILING_ARRAY_MODE_MASK			0xf
215#define AMDGPU_TILING_PIPE_CONFIG_SHIFT			4
216#define AMDGPU_TILING_PIPE_CONFIG_MASK			0x1f
217#define AMDGPU_TILING_TILE_SPLIT_SHIFT			9
218#define AMDGPU_TILING_TILE_SPLIT_MASK			0x7
219#define AMDGPU_TILING_MICRO_TILE_MODE_SHIFT		12
220#define AMDGPU_TILING_MICRO_TILE_MODE_MASK		0x7
221#define AMDGPU_TILING_BANK_WIDTH_SHIFT			15
222#define AMDGPU_TILING_BANK_WIDTH_MASK			0x3
223#define AMDGPU_TILING_BANK_HEIGHT_SHIFT			17
224#define AMDGPU_TILING_BANK_HEIGHT_MASK			0x3
225#define AMDGPU_TILING_MACRO_TILE_ASPECT_SHIFT		19
226#define AMDGPU_TILING_MACRO_TILE_ASPECT_MASK		0x3
227#define AMDGPU_TILING_NUM_BANKS_SHIFT			21
228#define AMDGPU_TILING_NUM_BANKS_MASK			0x3
229
230#define AMDGPU_TILING_SET(field, value) \
231	(((value) & AMDGPU_TILING_##field##_MASK) << AMDGPU_TILING_##field##_SHIFT)
232#define AMDGPU_TILING_GET(value, field) \
233	(((value) >> AMDGPU_TILING_##field##_SHIFT) & AMDGPU_TILING_##field##_MASK)
234
235#define AMDGPU_GEM_METADATA_OP_SET_METADATA                  1
236#define AMDGPU_GEM_METADATA_OP_GET_METADATA                  2
237
238/** The same structure is shared for input/output */
239struct drm_amdgpu_gem_metadata {
240	/** GEM Object handle */
241	__u32	handle;
242	/** Do we want get or set metadata */
243	__u32	op;
244	struct {
245		/** For future use, no flags defined so far */
246		__u64	flags;
247		/** family specific tiling info */
248		__u64	tiling_info;
249		__u32	data_size_bytes;
250		__u32	data[64];
251	} data;
252};
253
254struct drm_amdgpu_gem_mmap_in {
255	/** the GEM object handle */
256	__u32 handle;
257	__u32 _pad;
258};
259
260struct drm_amdgpu_gem_mmap_out {
261	/** mmap offset from the vma offset manager */
262	__u64 addr_ptr;
263};
264
265union drm_amdgpu_gem_mmap {
266	struct drm_amdgpu_gem_mmap_in   in;
267	struct drm_amdgpu_gem_mmap_out out;
268};
269
270struct drm_amdgpu_gem_wait_idle_in {
271	/** GEM object handle */
272	__u32 handle;
273	/** For future use, no flags defined so far */
274	__u32 flags;
275	/** Absolute timeout to wait */
276	__u64 timeout;
277};
278
279struct drm_amdgpu_gem_wait_idle_out {
280	/** BO status:  0 - BO is idle, 1 - BO is busy */
281	__u32 status;
282	/** Returned current memory domain */
283	__u32 domain;
284};
285
286union drm_amdgpu_gem_wait_idle {
287	struct drm_amdgpu_gem_wait_idle_in  in;
288	struct drm_amdgpu_gem_wait_idle_out out;
289};
290
291struct drm_amdgpu_wait_cs_in {
292	/** Command submission handle */
293	__u64 handle;
294	/** Absolute timeout to wait */
295	__u64 timeout;
296	__u32 ip_type;
297	__u32 ip_instance;
298	__u32 ring;
299	__u32 ctx_id;
300};
301
302struct drm_amdgpu_wait_cs_out {
303	/** CS status:  0 - CS completed, 1 - CS still busy */
304	__u64 status;
305};
306
307union drm_amdgpu_wait_cs {
308	struct drm_amdgpu_wait_cs_in in;
309	struct drm_amdgpu_wait_cs_out out;
310};
311
312struct drm_amdgpu_fence {
313	__u32 ctx_id;
314	__u32 ip_type;
315	__u32 ip_instance;
316	__u32 ring;
317	__u64 seq_no;
318};
319
320struct drm_amdgpu_wait_fences_in {
321	/** This points to uint64_t * which points to fences */
322	__u64 fences;
323	__u32 fence_count;
324	__u32 wait_all;
325	__u64 timeout_ns;
326};
327
328struct drm_amdgpu_wait_fences_out {
329	__u32 status;
330	__u32 first_signaled;
331};
332
333union drm_amdgpu_wait_fences {
334	struct drm_amdgpu_wait_fences_in in;
335	struct drm_amdgpu_wait_fences_out out;
336};
337
338#define AMDGPU_GEM_OP_GET_GEM_CREATE_INFO	0
339#define AMDGPU_GEM_OP_SET_PLACEMENT		1
340
341/* Sets or returns a value associated with a buffer. */
342struct drm_amdgpu_gem_op {
343	/** GEM object handle */
344	__u32	handle;
345	/** AMDGPU_GEM_OP_* */
346	__u32	op;
347	/** Input or return value */
348	__u64	value;
349};
350
351#define AMDGPU_VA_OP_MAP			1
352#define AMDGPU_VA_OP_UNMAP			2
353
354/* Delay the page table update till the next CS */
355#define AMDGPU_VM_DELAY_UPDATE		(1 << 0)
356
357/* Mapping flags */
358/* readable mapping */
359#define AMDGPU_VM_PAGE_READABLE		(1 << 1)
360/* writable mapping */
361#define AMDGPU_VM_PAGE_WRITEABLE	(1 << 2)
362/* executable mapping, new for VI */
363#define AMDGPU_VM_PAGE_EXECUTABLE	(1 << 3)
364
365struct drm_amdgpu_gem_va {
366	/** GEM object handle */
367	__u32 handle;
368	__u32 _pad;
369	/** AMDGPU_VA_OP_* */
370	__u32 operation;
371	/** AMDGPU_VM_PAGE_* */
372	__u32 flags;
373	/** va address to assign . Must be correctly aligned.*/
374	__u64 va_address;
375	/** Specify offset inside of BO to assign. Must be correctly aligned.*/
376	__u64 offset_in_bo;
377	/** Specify mapping size. Must be correctly aligned. */
378	__u64 map_size;
379};
380
381#define AMDGPU_HW_IP_GFX          0
382#define AMDGPU_HW_IP_COMPUTE      1
383#define AMDGPU_HW_IP_DMA          2
384#define AMDGPU_HW_IP_UVD          3
385#define AMDGPU_HW_IP_VCE          4
386#define AMDGPU_HW_IP_NUM          5
387
388#define AMDGPU_HW_IP_INSTANCE_MAX_COUNT 1
389
390#define AMDGPU_CHUNK_ID_IB		0x01
391#define AMDGPU_CHUNK_ID_FENCE		0x02
392#define AMDGPU_CHUNK_ID_DEPENDENCIES	0x03
393
394struct drm_amdgpu_cs_chunk {
395	__u32		chunk_id;
396	__u32		length_dw;
397	__u64		chunk_data;
398};
399
400struct drm_amdgpu_cs_in {
401	/** Rendering context id */
402	__u32		ctx_id;
403	/**  Handle of resource list associated with CS */
404	__u32		bo_list_handle;
405	__u32		num_chunks;
406	__u32		_pad;
407	/** this points to __u64 * which point to cs chunks */
408	__u64		chunks;
409};
410
411struct drm_amdgpu_cs_out {
412	__u64 handle;
413};
414
415union drm_amdgpu_cs {
416	struct drm_amdgpu_cs_in in;
417	struct drm_amdgpu_cs_out out;
418};
419
420/* Specify flags to be used for IB */
421
422/* This IB should be submitted to CE */
423#define AMDGPU_IB_FLAG_CE	(1<<0)
424
425/* CE Preamble */
426#define AMDGPU_IB_FLAG_PREAMBLE (1<<1)
427
428struct drm_amdgpu_cs_chunk_ib {
429	__u32 _pad;
430	/** AMDGPU_IB_FLAG_* */
431	__u32 flags;
432	/** Virtual address to begin IB execution */
433	__u64 va_start;
434	/** Size of submission */
435	__u32 ib_bytes;
436	/** HW IP to submit to */
437	__u32 ip_type;
438	/** HW IP index of the same type to submit to  */
439	__u32 ip_instance;
440	/** Ring index to submit to */
441	__u32 ring;
442};
443
444struct drm_amdgpu_cs_chunk_dep {
445	__u32 ip_type;
446	__u32 ip_instance;
447	__u32 ring;
448	__u32 ctx_id;
449	__u64 handle;
450};
451
452struct drm_amdgpu_cs_chunk_fence {
453	__u32 handle;
454	__u32 offset;
455};
456
457struct drm_amdgpu_cs_chunk_data {
458	union {
459		struct drm_amdgpu_cs_chunk_ib		ib_data;
460		struct drm_amdgpu_cs_chunk_fence	fence_data;
461	};
462};
463
464/**
465 *  Query h/w info: Flag that this is integrated (a.h.a. fusion) GPU
466 *
467 */
468#define AMDGPU_IDS_FLAGS_FUSION         0x1
469#define AMDGPU_IDS_FLAGS_PREEMPTION     0x2
470
471/* indicate if acceleration can be working */
472#define AMDGPU_INFO_ACCEL_WORKING		0x00
473/* get the crtc_id from the mode object id? */
474#define AMDGPU_INFO_CRTC_FROM_ID		0x01
475/* query hw IP info */
476#define AMDGPU_INFO_HW_IP_INFO			0x02
477/* query hw IP instance count for the specified type */
478#define AMDGPU_INFO_HW_IP_COUNT			0x03
479/* timestamp for GL_ARB_timer_query */
480#define AMDGPU_INFO_TIMESTAMP			0x05
481/* Query the firmware version */
482#define AMDGPU_INFO_FW_VERSION			0x0e
483	/* Subquery id: Query VCE firmware version */
484	#define AMDGPU_INFO_FW_VCE		0x1
485	/* Subquery id: Query UVD firmware version */
486	#define AMDGPU_INFO_FW_UVD		0x2
487	/* Subquery id: Query GMC firmware version */
488	#define AMDGPU_INFO_FW_GMC		0x03
489	/* Subquery id: Query GFX ME firmware version */
490	#define AMDGPU_INFO_FW_GFX_ME		0x04
491	/* Subquery id: Query GFX PFP firmware version */
492	#define AMDGPU_INFO_FW_GFX_PFP		0x05
493	/* Subquery id: Query GFX CE firmware version */
494	#define AMDGPU_INFO_FW_GFX_CE		0x06
495	/* Subquery id: Query GFX RLC firmware version */
496	#define AMDGPU_INFO_FW_GFX_RLC		0x07
497	/* Subquery id: Query GFX MEC firmware version */
498	#define AMDGPU_INFO_FW_GFX_MEC		0x08
499	/* Subquery id: Query SMC firmware version */
500	#define AMDGPU_INFO_FW_SMC		0x0a
501	/* Subquery id: Query SDMA firmware version */
502	#define AMDGPU_INFO_FW_SDMA		0x0b
503/* number of bytes moved for TTM migration */
504#define AMDGPU_INFO_NUM_BYTES_MOVED		0x0f
505/* the used VRAM size */
506#define AMDGPU_INFO_VRAM_USAGE			0x10
507/* the used GTT size */
508#define AMDGPU_INFO_GTT_USAGE			0x11
509/* Information about GDS, etc. resource configuration */
510#define AMDGPU_INFO_GDS_CONFIG			0x13
511/* Query information about VRAM and GTT domains */
512#define AMDGPU_INFO_VRAM_GTT			0x14
513/* Query information about register in MMR address space*/
514#define AMDGPU_INFO_READ_MMR_REG		0x15
515/* Query information about device: rev id, family, etc. */
516#define AMDGPU_INFO_DEV_INFO			0x16
517/* visible vram usage */
518#define AMDGPU_INFO_VIS_VRAM_USAGE		0x17
519/* number of TTM buffer evictions */
520#define AMDGPU_INFO_NUM_EVICTIONS		0x18
521/* Query memory about VRAM and GTT domains */
522#define AMDGPU_INFO_MEMORY			0x19
523/* Query vce clock table */
524#define AMDGPU_INFO_VCE_CLOCK_TABLE		0x1A
525/* Query vbios related information */
526#define AMDGPU_INFO_VBIOS			0x1B
527	/* Subquery id: Query vbios size */
528	#define AMDGPU_INFO_VBIOS_SIZE		0x1
529	/* Subquery id: Query vbios image */
530	#define AMDGPU_INFO_VBIOS_IMAGE		0x2
531
532#define AMDGPU_INFO_MMR_SE_INDEX_SHIFT	0
533#define AMDGPU_INFO_MMR_SE_INDEX_MASK	0xff
534#define AMDGPU_INFO_MMR_SH_INDEX_SHIFT	8
535#define AMDGPU_INFO_MMR_SH_INDEX_MASK	0xff
536
537struct drm_amdgpu_query_fw {
538	/** AMDGPU_INFO_FW_* */
539	__u32 fw_type;
540	/**
541	 * Index of the IP if there are more IPs of
542	 * the same type.
543	 */
544	__u32 ip_instance;
545	/**
546	 * Index of the engine. Whether this is used depends
547	 * on the firmware type. (e.g. MEC, SDMA)
548	 */
549	__u32 index;
550	__u32 _pad;
551};
552
553/* Input structure for the INFO ioctl */
554struct drm_amdgpu_info {
555	/* Where the return value will be stored */
556	__u64 return_pointer;
557	/* The size of the return value. Just like "size" in "snprintf",
558	 * it limits how many bytes the kernel can write. */
559	__u32 return_size;
560	/* The query request id. */
561	__u32 query;
562
563	union {
564		struct {
565			__u32 id;
566			__u32 _pad;
567		} mode_crtc;
568
569		struct {
570			/** AMDGPU_HW_IP_* */
571			__u32 type;
572			/**
573			 * Index of the IP if there are more IPs of the same
574			 * type. Ignored by AMDGPU_INFO_HW_IP_COUNT.
575			 */
576			__u32 ip_instance;
577		} query_hw_ip;
578
579		struct {
580			__u32 dword_offset;
581			/** number of registers to read */
582			__u32 count;
583			__u32 instance;
584			/** For future use, no flags defined so far */
585			__u32 flags;
586		} read_mmr_reg;
587
588		struct drm_amdgpu_query_fw query_fw;
589
590		struct {
591			__u32 type;
592			__u32 offset;
593		} vbios_info;
594	};
595};
596
597struct drm_amdgpu_info_gds {
598	/** GDS GFX partition size */
599	__u32 gds_gfx_partition_size;
600	/** GDS compute partition size */
601	__u32 compute_partition_size;
602	/** total GDS memory size */
603	__u32 gds_total_size;
604	/** GWS size per GFX partition */
605	__u32 gws_per_gfx_partition;
606	/** GSW size per compute partition */
607	__u32 gws_per_compute_partition;
608	/** OA size per GFX partition */
609	__u32 oa_per_gfx_partition;
610	/** OA size per compute partition */
611	__u32 oa_per_compute_partition;
612	__u32 _pad;
613};
614
615struct drm_amdgpu_info_vram_gtt {
616	__u64 vram_size;
617	__u64 vram_cpu_accessible_size;
618	__u64 gtt_size;
619};
620
621struct drm_amdgpu_heap_info {
622	/** max. physical memory */
623	__u64 total_heap_size;
624
625	/** Theoretical max. available memory in the given heap */
626	__u64 usable_heap_size;
627
628	/**
629	 * Number of bytes allocated in the heap. This includes all processes
630	 * and private allocations in the kernel. It changes when new buffers
631	 * are allocated, freed, and moved. It cannot be larger than
632	 * heap_size.
633	 */
634	__u64 heap_usage;
635
636	/**
637	 * Theoretical possible max. size of buffer which
638	 * could be allocated in the given heap
639	 */
640	__u64 max_allocation;
641};
642
643struct drm_amdgpu_memory_info {
644	struct drm_amdgpu_heap_info vram;
645	struct drm_amdgpu_heap_info cpu_accessible_vram;
646	struct drm_amdgpu_heap_info gtt;
647};
648
649struct drm_amdgpu_info_firmware {
650	__u32 ver;
651	__u32 feature;
652};
653
654#define AMDGPU_VRAM_TYPE_UNKNOWN 0
655#define AMDGPU_VRAM_TYPE_GDDR1 1
656#define AMDGPU_VRAM_TYPE_DDR2  2
657#define AMDGPU_VRAM_TYPE_GDDR3 3
658#define AMDGPU_VRAM_TYPE_GDDR4 4
659#define AMDGPU_VRAM_TYPE_GDDR5 5
660#define AMDGPU_VRAM_TYPE_HBM   6
661#define AMDGPU_VRAM_TYPE_DDR3  7
662
663struct drm_amdgpu_info_device {
664	/** PCI Device ID */
665	__u32 device_id;
666	/** Internal chip revision: A0, A1, etc.) */
667	__u32 chip_rev;
668	__u32 external_rev;
669	/** Revision id in PCI Config space */
670	__u32 pci_rev;
671	__u32 family;
672	__u32 num_shader_engines;
673	__u32 num_shader_arrays_per_engine;
674	/* in KHz */
675	__u32 gpu_counter_freq;
676	__u64 max_engine_clock;
677	__u64 max_memory_clock;
678	/* cu information */
679	__u32 cu_active_number;
680	__u32 cu_ao_mask;
681	__u32 cu_bitmap[4][4];
682	/** Render backend pipe mask. One render backend is CB+DB. */
683	__u32 enabled_rb_pipes_mask;
684	__u32 num_rb_pipes;
685	__u32 num_hw_gfx_contexts;
686	__u32 _pad;
687	__u64 ids_flags;
688	/** Starting virtual address for UMDs. */
689	__u64 virtual_address_offset;
690	/** The maximum virtual address */
691	__u64 virtual_address_max;
692	/** Required alignment of virtual addresses. */
693	__u32 virtual_address_alignment;
694	/** Page table entry - fragment size */
695	__u32 pte_fragment_size;
696	__u32 gart_page_size;
697	/** constant engine ram size*/
698	__u32 ce_ram_size;
699	/** video memory type info*/
700	__u32 vram_type;
701	/** video memory bit width*/
702	__u32 vram_bit_width;
703	/* vce harvesting instance */
704	__u32 vce_harvest_config;
705};
706
707struct drm_amdgpu_info_hw_ip {
708	/** Version of h/w IP */
709	__u32  hw_ip_version_major;
710	__u32  hw_ip_version_minor;
711	/** Capabilities */
712	__u64  capabilities_flags;
713	/** command buffer address start alignment*/
714	__u32  ib_start_alignment;
715	/** command buffer size alignment*/
716	__u32  ib_size_alignment;
717	/** Bitmask of available rings. Bit 0 means ring 0, etc. */
718	__u32  available_rings;
719	__u32  _pad;
720};
721
722#define AMDGPU_VCE_CLOCK_TABLE_ENTRIES		6
723
724struct drm_amdgpu_info_vce_clock_table_entry {
725	/** System clock */
726	__u32 sclk;
727	/** Memory clock */
728	__u32 mclk;
729	/** VCE clock */
730	__u32 eclk;
731	__u32 pad;
732};
733
734struct drm_amdgpu_info_vce_clock_table {
735	struct drm_amdgpu_info_vce_clock_table_entry entries[AMDGPU_VCE_CLOCK_TABLE_ENTRIES];
736	__u32 num_valid_entries;
737	__u32 pad;
738};
739
740/*
741 * Supported GPU families
742 */
743#define AMDGPU_FAMILY_UNKNOWN			0
744#define AMDGPU_FAMILY_SI			110 /* Hainan, Oland, Verde, Pitcairn, Tahiti */
745#define AMDGPU_FAMILY_CI			120 /* Bonaire, Hawaii */
746#define AMDGPU_FAMILY_KV			125 /* Kaveri, Kabini, Mullins */
747#define AMDGPU_FAMILY_VI			130 /* Iceland, Tonga */
748#define AMDGPU_FAMILY_CZ			135 /* Carrizo, Stoney */
749
750#if defined(__cplusplus)
751}
752#endif
753
754#endif
755