xref: /openbmc/linux/include/uapi/drm/amdgpu_drm.h (revision addee42a)
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 #define DRM_AMDGPU_WAIT_FENCES		0x12
54 #define DRM_AMDGPU_VM			0x13
55 #define DRM_AMDGPU_FENCE_TO_HANDLE	0x14
56 #define DRM_AMDGPU_SCHED		0x15
57 
58 #define DRM_IOCTL_AMDGPU_GEM_CREATE	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_CREATE, union drm_amdgpu_gem_create)
59 #define DRM_IOCTL_AMDGPU_GEM_MMAP	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_MMAP, union drm_amdgpu_gem_mmap)
60 #define DRM_IOCTL_AMDGPU_CTX		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_CTX, union drm_amdgpu_ctx)
61 #define DRM_IOCTL_AMDGPU_BO_LIST	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_BO_LIST, union drm_amdgpu_bo_list)
62 #define DRM_IOCTL_AMDGPU_CS		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_CS, union drm_amdgpu_cs)
63 #define DRM_IOCTL_AMDGPU_INFO		DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_INFO, struct drm_amdgpu_info)
64 #define DRM_IOCTL_AMDGPU_GEM_METADATA	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_METADATA, struct drm_amdgpu_gem_metadata)
65 #define DRM_IOCTL_AMDGPU_GEM_WAIT_IDLE	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_WAIT_IDLE, union drm_amdgpu_gem_wait_idle)
66 #define DRM_IOCTL_AMDGPU_GEM_VA		DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_VA, struct drm_amdgpu_gem_va)
67 #define DRM_IOCTL_AMDGPU_WAIT_CS	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_WAIT_CS, union drm_amdgpu_wait_cs)
68 #define DRM_IOCTL_AMDGPU_GEM_OP		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_OP, struct drm_amdgpu_gem_op)
69 #define DRM_IOCTL_AMDGPU_GEM_USERPTR	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_USERPTR, struct drm_amdgpu_gem_userptr)
70 #define DRM_IOCTL_AMDGPU_WAIT_FENCES	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_WAIT_FENCES, union drm_amdgpu_wait_fences)
71 #define DRM_IOCTL_AMDGPU_VM		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_VM, union drm_amdgpu_vm)
72 #define DRM_IOCTL_AMDGPU_FENCE_TO_HANDLE DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_FENCE_TO_HANDLE, union drm_amdgpu_fence_to_handle)
73 #define DRM_IOCTL_AMDGPU_SCHED		DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_SCHED, union drm_amdgpu_sched)
74 
75 #define AMDGPU_GEM_DOMAIN_CPU		0x1
76 #define AMDGPU_GEM_DOMAIN_GTT		0x2
77 #define AMDGPU_GEM_DOMAIN_VRAM		0x4
78 #define AMDGPU_GEM_DOMAIN_GDS		0x8
79 #define AMDGPU_GEM_DOMAIN_GWS		0x10
80 #define AMDGPU_GEM_DOMAIN_OA		0x20
81 
82 /* Flag that CPU access will be required for the case of VRAM domain */
83 #define AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED	(1 << 0)
84 /* Flag that CPU access will not work, this VRAM domain is invisible */
85 #define AMDGPU_GEM_CREATE_NO_CPU_ACCESS		(1 << 1)
86 /* Flag that USWC attributes should be used for GTT */
87 #define AMDGPU_GEM_CREATE_CPU_GTT_USWC		(1 << 2)
88 /* Flag that the memory should be in VRAM and cleared */
89 #define AMDGPU_GEM_CREATE_VRAM_CLEARED		(1 << 3)
90 /* Flag that create shadow bo(GTT) while allocating vram bo */
91 #define AMDGPU_GEM_CREATE_SHADOW		(1 << 4)
92 /* Flag that allocating the BO should use linear VRAM */
93 #define AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS	(1 << 5)
94 /* Flag that BO is always valid in this VM */
95 #define AMDGPU_GEM_CREATE_VM_ALWAYS_VALID	(1 << 6)
96 /* Flag that BO sharing will be explicitly synchronized */
97 #define AMDGPU_GEM_CREATE_EXPLICIT_SYNC		(1 << 7)
98 
99 struct drm_amdgpu_gem_create_in  {
100 	/** the requested memory size */
101 	__u64 bo_size;
102 	/** physical start_addr alignment in bytes for some HW requirements */
103 	__u64 alignment;
104 	/** the requested memory domains */
105 	__u64 domains;
106 	/** allocation flags */
107 	__u64 domain_flags;
108 };
109 
110 struct drm_amdgpu_gem_create_out  {
111 	/** returned GEM object handle */
112 	__u32 handle;
113 	__u32 _pad;
114 };
115 
116 union drm_amdgpu_gem_create {
117 	struct drm_amdgpu_gem_create_in		in;
118 	struct drm_amdgpu_gem_create_out	out;
119 };
120 
121 /** Opcode to create new residency list.  */
122 #define AMDGPU_BO_LIST_OP_CREATE	0
123 /** Opcode to destroy previously created residency list */
124 #define AMDGPU_BO_LIST_OP_DESTROY	1
125 /** Opcode to update resource information in the list */
126 #define AMDGPU_BO_LIST_OP_UPDATE	2
127 
128 struct drm_amdgpu_bo_list_in {
129 	/** Type of operation */
130 	__u32 operation;
131 	/** Handle of list or 0 if we want to create one */
132 	__u32 list_handle;
133 	/** Number of BOs in list  */
134 	__u32 bo_number;
135 	/** Size of each element describing BO */
136 	__u32 bo_info_size;
137 	/** Pointer to array describing BOs */
138 	__u64 bo_info_ptr;
139 };
140 
141 struct drm_amdgpu_bo_list_entry {
142 	/** Handle of BO */
143 	__u32 bo_handle;
144 	/** New (if specified) BO priority to be used during migration */
145 	__u32 bo_priority;
146 };
147 
148 struct drm_amdgpu_bo_list_out {
149 	/** Handle of resource list  */
150 	__u32 list_handle;
151 	__u32 _pad;
152 };
153 
154 union drm_amdgpu_bo_list {
155 	struct drm_amdgpu_bo_list_in in;
156 	struct drm_amdgpu_bo_list_out out;
157 };
158 
159 /* context related */
160 #define AMDGPU_CTX_OP_ALLOC_CTX	1
161 #define AMDGPU_CTX_OP_FREE_CTX	2
162 #define AMDGPU_CTX_OP_QUERY_STATE	3
163 #define AMDGPU_CTX_OP_QUERY_STATE2	4
164 
165 /* GPU reset status */
166 #define AMDGPU_CTX_NO_RESET		0
167 /* this the context caused it */
168 #define AMDGPU_CTX_GUILTY_RESET		1
169 /* some other context caused it */
170 #define AMDGPU_CTX_INNOCENT_RESET	2
171 /* unknown cause */
172 #define AMDGPU_CTX_UNKNOWN_RESET	3
173 
174 /* indicate gpu reset occured after ctx created */
175 #define AMDGPU_CTX_QUERY2_FLAGS_RESET    (1<<0)
176 /* indicate vram lost occured after ctx created */
177 #define AMDGPU_CTX_QUERY2_FLAGS_VRAMLOST (1<<1)
178 /* indicate some job from this context once cause gpu hang */
179 #define AMDGPU_CTX_QUERY2_FLAGS_GUILTY   (1<<2)
180 
181 /* Context priority level */
182 #define AMDGPU_CTX_PRIORITY_UNSET       -2048
183 #define AMDGPU_CTX_PRIORITY_VERY_LOW    -1023
184 #define AMDGPU_CTX_PRIORITY_LOW         -512
185 #define AMDGPU_CTX_PRIORITY_NORMAL      0
186 /* Selecting a priority above NORMAL requires CAP_SYS_NICE or DRM_MASTER */
187 #define AMDGPU_CTX_PRIORITY_HIGH        512
188 #define AMDGPU_CTX_PRIORITY_VERY_HIGH   1023
189 
190 struct drm_amdgpu_ctx_in {
191 	/** AMDGPU_CTX_OP_* */
192 	__u32	op;
193 	/** For future use, no flags defined so far */
194 	__u32	flags;
195 	__u32	ctx_id;
196 	__s32	priority;
197 };
198 
199 union drm_amdgpu_ctx_out {
200 		struct {
201 			__u32	ctx_id;
202 			__u32	_pad;
203 		} alloc;
204 
205 		struct {
206 			/** For future use, no flags defined so far */
207 			__u64	flags;
208 			/** Number of resets caused by this context so far. */
209 			__u32	hangs;
210 			/** Reset status since the last call of the ioctl. */
211 			__u32	reset_status;
212 		} state;
213 };
214 
215 union drm_amdgpu_ctx {
216 	struct drm_amdgpu_ctx_in in;
217 	union drm_amdgpu_ctx_out out;
218 };
219 
220 /* vm ioctl */
221 #define AMDGPU_VM_OP_RESERVE_VMID	1
222 #define AMDGPU_VM_OP_UNRESERVE_VMID	2
223 
224 struct drm_amdgpu_vm_in {
225 	/** AMDGPU_VM_OP_* */
226 	__u32	op;
227 	__u32	flags;
228 };
229 
230 struct drm_amdgpu_vm_out {
231 	/** For future use, no flags defined so far */
232 	__u64	flags;
233 };
234 
235 union drm_amdgpu_vm {
236 	struct drm_amdgpu_vm_in in;
237 	struct drm_amdgpu_vm_out out;
238 };
239 
240 /* sched ioctl */
241 #define AMDGPU_SCHED_OP_PROCESS_PRIORITY_OVERRIDE	1
242 
243 struct drm_amdgpu_sched_in {
244 	/* AMDGPU_SCHED_OP_* */
245 	__u32	op;
246 	__u32	fd;
247 	__s32	priority;
248 	__u32	flags;
249 };
250 
251 union drm_amdgpu_sched {
252 	struct drm_amdgpu_sched_in in;
253 };
254 
255 /*
256  * This is not a reliable API and you should expect it to fail for any
257  * number of reasons and have fallback path that do not use userptr to
258  * perform any operation.
259  */
260 #define AMDGPU_GEM_USERPTR_READONLY	(1 << 0)
261 #define AMDGPU_GEM_USERPTR_ANONONLY	(1 << 1)
262 #define AMDGPU_GEM_USERPTR_VALIDATE	(1 << 2)
263 #define AMDGPU_GEM_USERPTR_REGISTER	(1 << 3)
264 
265 struct drm_amdgpu_gem_userptr {
266 	__u64		addr;
267 	__u64		size;
268 	/* AMDGPU_GEM_USERPTR_* */
269 	__u32		flags;
270 	/* Resulting GEM handle */
271 	__u32		handle;
272 };
273 
274 /* SI-CI-VI: */
275 /* same meaning as the GB_TILE_MODE and GL_MACRO_TILE_MODE fields */
276 #define AMDGPU_TILING_ARRAY_MODE_SHIFT			0
277 #define AMDGPU_TILING_ARRAY_MODE_MASK			0xf
278 #define AMDGPU_TILING_PIPE_CONFIG_SHIFT			4
279 #define AMDGPU_TILING_PIPE_CONFIG_MASK			0x1f
280 #define AMDGPU_TILING_TILE_SPLIT_SHIFT			9
281 #define AMDGPU_TILING_TILE_SPLIT_MASK			0x7
282 #define AMDGPU_TILING_MICRO_TILE_MODE_SHIFT		12
283 #define AMDGPU_TILING_MICRO_TILE_MODE_MASK		0x7
284 #define AMDGPU_TILING_BANK_WIDTH_SHIFT			15
285 #define AMDGPU_TILING_BANK_WIDTH_MASK			0x3
286 #define AMDGPU_TILING_BANK_HEIGHT_SHIFT			17
287 #define AMDGPU_TILING_BANK_HEIGHT_MASK			0x3
288 #define AMDGPU_TILING_MACRO_TILE_ASPECT_SHIFT		19
289 #define AMDGPU_TILING_MACRO_TILE_ASPECT_MASK		0x3
290 #define AMDGPU_TILING_NUM_BANKS_SHIFT			21
291 #define AMDGPU_TILING_NUM_BANKS_MASK			0x3
292 
293 /* GFX9 and later: */
294 #define AMDGPU_TILING_SWIZZLE_MODE_SHIFT		0
295 #define AMDGPU_TILING_SWIZZLE_MODE_MASK			0x1f
296 
297 /* Set/Get helpers for tiling flags. */
298 #define AMDGPU_TILING_SET(field, value) \
299 	(((__u64)(value) & AMDGPU_TILING_##field##_MASK) << AMDGPU_TILING_##field##_SHIFT)
300 #define AMDGPU_TILING_GET(value, field) \
301 	(((__u64)(value) >> AMDGPU_TILING_##field##_SHIFT) & AMDGPU_TILING_##field##_MASK)
302 
303 #define AMDGPU_GEM_METADATA_OP_SET_METADATA                  1
304 #define AMDGPU_GEM_METADATA_OP_GET_METADATA                  2
305 
306 /** The same structure is shared for input/output */
307 struct drm_amdgpu_gem_metadata {
308 	/** GEM Object handle */
309 	__u32	handle;
310 	/** Do we want get or set metadata */
311 	__u32	op;
312 	struct {
313 		/** For future use, no flags defined so far */
314 		__u64	flags;
315 		/** family specific tiling info */
316 		__u64	tiling_info;
317 		__u32	data_size_bytes;
318 		__u32	data[64];
319 	} data;
320 };
321 
322 struct drm_amdgpu_gem_mmap_in {
323 	/** the GEM object handle */
324 	__u32 handle;
325 	__u32 _pad;
326 };
327 
328 struct drm_amdgpu_gem_mmap_out {
329 	/** mmap offset from the vma offset manager */
330 	__u64 addr_ptr;
331 };
332 
333 union drm_amdgpu_gem_mmap {
334 	struct drm_amdgpu_gem_mmap_in   in;
335 	struct drm_amdgpu_gem_mmap_out out;
336 };
337 
338 struct drm_amdgpu_gem_wait_idle_in {
339 	/** GEM object handle */
340 	__u32 handle;
341 	/** For future use, no flags defined so far */
342 	__u32 flags;
343 	/** Absolute timeout to wait */
344 	__u64 timeout;
345 };
346 
347 struct drm_amdgpu_gem_wait_idle_out {
348 	/** BO status:  0 - BO is idle, 1 - BO is busy */
349 	__u32 status;
350 	/** Returned current memory domain */
351 	__u32 domain;
352 };
353 
354 union drm_amdgpu_gem_wait_idle {
355 	struct drm_amdgpu_gem_wait_idle_in  in;
356 	struct drm_amdgpu_gem_wait_idle_out out;
357 };
358 
359 struct drm_amdgpu_wait_cs_in {
360 	/* Command submission handle
361          * handle equals 0 means none to wait for
362          * handle equals ~0ull means wait for the latest sequence number
363          */
364 	__u64 handle;
365 	/** Absolute timeout to wait */
366 	__u64 timeout;
367 	__u32 ip_type;
368 	__u32 ip_instance;
369 	__u32 ring;
370 	__u32 ctx_id;
371 };
372 
373 struct drm_amdgpu_wait_cs_out {
374 	/** CS status:  0 - CS completed, 1 - CS still busy */
375 	__u64 status;
376 };
377 
378 union drm_amdgpu_wait_cs {
379 	struct drm_amdgpu_wait_cs_in in;
380 	struct drm_amdgpu_wait_cs_out out;
381 };
382 
383 struct drm_amdgpu_fence {
384 	__u32 ctx_id;
385 	__u32 ip_type;
386 	__u32 ip_instance;
387 	__u32 ring;
388 	__u64 seq_no;
389 };
390 
391 struct drm_amdgpu_wait_fences_in {
392 	/** This points to uint64_t * which points to fences */
393 	__u64 fences;
394 	__u32 fence_count;
395 	__u32 wait_all;
396 	__u64 timeout_ns;
397 };
398 
399 struct drm_amdgpu_wait_fences_out {
400 	__u32 status;
401 	__u32 first_signaled;
402 };
403 
404 union drm_amdgpu_wait_fences {
405 	struct drm_amdgpu_wait_fences_in in;
406 	struct drm_amdgpu_wait_fences_out out;
407 };
408 
409 #define AMDGPU_GEM_OP_GET_GEM_CREATE_INFO	0
410 #define AMDGPU_GEM_OP_SET_PLACEMENT		1
411 
412 /* Sets or returns a value associated with a buffer. */
413 struct drm_amdgpu_gem_op {
414 	/** GEM object handle */
415 	__u32	handle;
416 	/** AMDGPU_GEM_OP_* */
417 	__u32	op;
418 	/** Input or return value */
419 	__u64	value;
420 };
421 
422 #define AMDGPU_VA_OP_MAP			1
423 #define AMDGPU_VA_OP_UNMAP			2
424 #define AMDGPU_VA_OP_CLEAR			3
425 #define AMDGPU_VA_OP_REPLACE			4
426 
427 /* Delay the page table update till the next CS */
428 #define AMDGPU_VM_DELAY_UPDATE		(1 << 0)
429 
430 /* Mapping flags */
431 /* readable mapping */
432 #define AMDGPU_VM_PAGE_READABLE		(1 << 1)
433 /* writable mapping */
434 #define AMDGPU_VM_PAGE_WRITEABLE	(1 << 2)
435 /* executable mapping, new for VI */
436 #define AMDGPU_VM_PAGE_EXECUTABLE	(1 << 3)
437 /* partially resident texture */
438 #define AMDGPU_VM_PAGE_PRT		(1 << 4)
439 /* MTYPE flags use bit 5 to 8 */
440 #define AMDGPU_VM_MTYPE_MASK		(0xf << 5)
441 /* Default MTYPE. Pre-AI must use this.  Recommended for newer ASICs. */
442 #define AMDGPU_VM_MTYPE_DEFAULT		(0 << 5)
443 /* Use NC MTYPE instead of default MTYPE */
444 #define AMDGPU_VM_MTYPE_NC		(1 << 5)
445 /* Use WC MTYPE instead of default MTYPE */
446 #define AMDGPU_VM_MTYPE_WC		(2 << 5)
447 /* Use CC MTYPE instead of default MTYPE */
448 #define AMDGPU_VM_MTYPE_CC		(3 << 5)
449 /* Use UC MTYPE instead of default MTYPE */
450 #define AMDGPU_VM_MTYPE_UC		(4 << 5)
451 
452 struct drm_amdgpu_gem_va {
453 	/** GEM object handle */
454 	__u32 handle;
455 	__u32 _pad;
456 	/** AMDGPU_VA_OP_* */
457 	__u32 operation;
458 	/** AMDGPU_VM_PAGE_* */
459 	__u32 flags;
460 	/** va address to assign . Must be correctly aligned.*/
461 	__u64 va_address;
462 	/** Specify offset inside of BO to assign. Must be correctly aligned.*/
463 	__u64 offset_in_bo;
464 	/** Specify mapping size. Must be correctly aligned. */
465 	__u64 map_size;
466 };
467 
468 #define AMDGPU_HW_IP_GFX          0
469 #define AMDGPU_HW_IP_COMPUTE      1
470 #define AMDGPU_HW_IP_DMA          2
471 #define AMDGPU_HW_IP_UVD          3
472 #define AMDGPU_HW_IP_VCE          4
473 #define AMDGPU_HW_IP_UVD_ENC      5
474 #define AMDGPU_HW_IP_VCN_DEC      6
475 #define AMDGPU_HW_IP_VCN_ENC      7
476 #define AMDGPU_HW_IP_NUM          8
477 
478 #define AMDGPU_HW_IP_INSTANCE_MAX_COUNT 1
479 
480 #define AMDGPU_CHUNK_ID_IB		0x01
481 #define AMDGPU_CHUNK_ID_FENCE		0x02
482 #define AMDGPU_CHUNK_ID_DEPENDENCIES	0x03
483 #define AMDGPU_CHUNK_ID_SYNCOBJ_IN      0x04
484 #define AMDGPU_CHUNK_ID_SYNCOBJ_OUT     0x05
485 
486 struct drm_amdgpu_cs_chunk {
487 	__u32		chunk_id;
488 	__u32		length_dw;
489 	__u64		chunk_data;
490 };
491 
492 struct drm_amdgpu_cs_in {
493 	/** Rendering context id */
494 	__u32		ctx_id;
495 	/**  Handle of resource list associated with CS */
496 	__u32		bo_list_handle;
497 	__u32		num_chunks;
498 	__u32		_pad;
499 	/** this points to __u64 * which point to cs chunks */
500 	__u64		chunks;
501 };
502 
503 struct drm_amdgpu_cs_out {
504 	__u64 handle;
505 };
506 
507 union drm_amdgpu_cs {
508 	struct drm_amdgpu_cs_in in;
509 	struct drm_amdgpu_cs_out out;
510 };
511 
512 /* Specify flags to be used for IB */
513 
514 /* This IB should be submitted to CE */
515 #define AMDGPU_IB_FLAG_CE	(1<<0)
516 
517 /* Preamble flag, which means the IB could be dropped if no context switch */
518 #define AMDGPU_IB_FLAG_PREAMBLE (1<<1)
519 
520 /* Preempt flag, IB should set Pre_enb bit if PREEMPT flag detected */
521 #define AMDGPU_IB_FLAG_PREEMPT (1<<2)
522 
523 struct drm_amdgpu_cs_chunk_ib {
524 	__u32 _pad;
525 	/** AMDGPU_IB_FLAG_* */
526 	__u32 flags;
527 	/** Virtual address to begin IB execution */
528 	__u64 va_start;
529 	/** Size of submission */
530 	__u32 ib_bytes;
531 	/** HW IP to submit to */
532 	__u32 ip_type;
533 	/** HW IP index of the same type to submit to  */
534 	__u32 ip_instance;
535 	/** Ring index to submit to */
536 	__u32 ring;
537 };
538 
539 struct drm_amdgpu_cs_chunk_dep {
540 	__u32 ip_type;
541 	__u32 ip_instance;
542 	__u32 ring;
543 	__u32 ctx_id;
544 	__u64 handle;
545 };
546 
547 struct drm_amdgpu_cs_chunk_fence {
548 	__u32 handle;
549 	__u32 offset;
550 };
551 
552 struct drm_amdgpu_cs_chunk_sem {
553 	__u32 handle;
554 };
555 
556 #define AMDGPU_FENCE_TO_HANDLE_GET_SYNCOBJ	0
557 #define AMDGPU_FENCE_TO_HANDLE_GET_SYNCOBJ_FD	1
558 #define AMDGPU_FENCE_TO_HANDLE_GET_SYNC_FILE_FD	2
559 
560 union drm_amdgpu_fence_to_handle {
561 	struct {
562 		struct drm_amdgpu_fence fence;
563 		__u32 what;
564 		__u32 pad;
565 	} in;
566 	struct {
567 		__u32 handle;
568 	} out;
569 };
570 
571 struct drm_amdgpu_cs_chunk_data {
572 	union {
573 		struct drm_amdgpu_cs_chunk_ib		ib_data;
574 		struct drm_amdgpu_cs_chunk_fence	fence_data;
575 	};
576 };
577 
578 /**
579  *  Query h/w info: Flag that this is integrated (a.h.a. fusion) GPU
580  *
581  */
582 #define AMDGPU_IDS_FLAGS_FUSION         0x1
583 #define AMDGPU_IDS_FLAGS_PREEMPTION     0x2
584 
585 /* indicate if acceleration can be working */
586 #define AMDGPU_INFO_ACCEL_WORKING		0x00
587 /* get the crtc_id from the mode object id? */
588 #define AMDGPU_INFO_CRTC_FROM_ID		0x01
589 /* query hw IP info */
590 #define AMDGPU_INFO_HW_IP_INFO			0x02
591 /* query hw IP instance count for the specified type */
592 #define AMDGPU_INFO_HW_IP_COUNT			0x03
593 /* timestamp for GL_ARB_timer_query */
594 #define AMDGPU_INFO_TIMESTAMP			0x05
595 /* Query the firmware version */
596 #define AMDGPU_INFO_FW_VERSION			0x0e
597 	/* Subquery id: Query VCE firmware version */
598 	#define AMDGPU_INFO_FW_VCE		0x1
599 	/* Subquery id: Query UVD firmware version */
600 	#define AMDGPU_INFO_FW_UVD		0x2
601 	/* Subquery id: Query GMC firmware version */
602 	#define AMDGPU_INFO_FW_GMC		0x03
603 	/* Subquery id: Query GFX ME firmware version */
604 	#define AMDGPU_INFO_FW_GFX_ME		0x04
605 	/* Subquery id: Query GFX PFP firmware version */
606 	#define AMDGPU_INFO_FW_GFX_PFP		0x05
607 	/* Subquery id: Query GFX CE firmware version */
608 	#define AMDGPU_INFO_FW_GFX_CE		0x06
609 	/* Subquery id: Query GFX RLC firmware version */
610 	#define AMDGPU_INFO_FW_GFX_RLC		0x07
611 	/* Subquery id: Query GFX MEC firmware version */
612 	#define AMDGPU_INFO_FW_GFX_MEC		0x08
613 	/* Subquery id: Query SMC firmware version */
614 	#define AMDGPU_INFO_FW_SMC		0x0a
615 	/* Subquery id: Query SDMA firmware version */
616 	#define AMDGPU_INFO_FW_SDMA		0x0b
617 	/* Subquery id: Query PSP SOS firmware version */
618 	#define AMDGPU_INFO_FW_SOS		0x0c
619 	/* Subquery id: Query PSP ASD firmware version */
620 	#define AMDGPU_INFO_FW_ASD		0x0d
621 	/* Subquery id: Query VCN firmware version */
622 	#define AMDGPU_INFO_FW_VCN		0x0e
623 /* number of bytes moved for TTM migration */
624 #define AMDGPU_INFO_NUM_BYTES_MOVED		0x0f
625 /* the used VRAM size */
626 #define AMDGPU_INFO_VRAM_USAGE			0x10
627 /* the used GTT size */
628 #define AMDGPU_INFO_GTT_USAGE			0x11
629 /* Information about GDS, etc. resource configuration */
630 #define AMDGPU_INFO_GDS_CONFIG			0x13
631 /* Query information about VRAM and GTT domains */
632 #define AMDGPU_INFO_VRAM_GTT			0x14
633 /* Query information about register in MMR address space*/
634 #define AMDGPU_INFO_READ_MMR_REG		0x15
635 /* Query information about device: rev id, family, etc. */
636 #define AMDGPU_INFO_DEV_INFO			0x16
637 /* visible vram usage */
638 #define AMDGPU_INFO_VIS_VRAM_USAGE		0x17
639 /* number of TTM buffer evictions */
640 #define AMDGPU_INFO_NUM_EVICTIONS		0x18
641 /* Query memory about VRAM and GTT domains */
642 #define AMDGPU_INFO_MEMORY			0x19
643 /* Query vce clock table */
644 #define AMDGPU_INFO_VCE_CLOCK_TABLE		0x1A
645 /* Query vbios related information */
646 #define AMDGPU_INFO_VBIOS			0x1B
647 	/* Subquery id: Query vbios size */
648 	#define AMDGPU_INFO_VBIOS_SIZE		0x1
649 	/* Subquery id: Query vbios image */
650 	#define AMDGPU_INFO_VBIOS_IMAGE		0x2
651 /* Query UVD handles */
652 #define AMDGPU_INFO_NUM_HANDLES			0x1C
653 /* Query sensor related information */
654 #define AMDGPU_INFO_SENSOR			0x1D
655 	/* Subquery id: Query GPU shader clock */
656 	#define AMDGPU_INFO_SENSOR_GFX_SCLK		0x1
657 	/* Subquery id: Query GPU memory clock */
658 	#define AMDGPU_INFO_SENSOR_GFX_MCLK		0x2
659 	/* Subquery id: Query GPU temperature */
660 	#define AMDGPU_INFO_SENSOR_GPU_TEMP		0x3
661 	/* Subquery id: Query GPU load */
662 	#define AMDGPU_INFO_SENSOR_GPU_LOAD		0x4
663 	/* Subquery id: Query average GPU power	*/
664 	#define AMDGPU_INFO_SENSOR_GPU_AVG_POWER	0x5
665 	/* Subquery id: Query northbridge voltage */
666 	#define AMDGPU_INFO_SENSOR_VDDNB		0x6
667 	/* Subquery id: Query graphics voltage */
668 	#define AMDGPU_INFO_SENSOR_VDDGFX		0x7
669 	/* Subquery id: Query GPU stable pstate shader clock */
670 	#define AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK		0x8
671 	/* Subquery id: Query GPU stable pstate memory clock */
672 	#define AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK		0x9
673 /* Number of VRAM page faults on CPU access. */
674 #define AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS	0x1E
675 #define AMDGPU_INFO_VRAM_LOST_COUNTER		0x1F
676 
677 #define AMDGPU_INFO_MMR_SE_INDEX_SHIFT	0
678 #define AMDGPU_INFO_MMR_SE_INDEX_MASK	0xff
679 #define AMDGPU_INFO_MMR_SH_INDEX_SHIFT	8
680 #define AMDGPU_INFO_MMR_SH_INDEX_MASK	0xff
681 
682 struct drm_amdgpu_query_fw {
683 	/** AMDGPU_INFO_FW_* */
684 	__u32 fw_type;
685 	/**
686 	 * Index of the IP if there are more IPs of
687 	 * the same type.
688 	 */
689 	__u32 ip_instance;
690 	/**
691 	 * Index of the engine. Whether this is used depends
692 	 * on the firmware type. (e.g. MEC, SDMA)
693 	 */
694 	__u32 index;
695 	__u32 _pad;
696 };
697 
698 /* Input structure for the INFO ioctl */
699 struct drm_amdgpu_info {
700 	/* Where the return value will be stored */
701 	__u64 return_pointer;
702 	/* The size of the return value. Just like "size" in "snprintf",
703 	 * it limits how many bytes the kernel can write. */
704 	__u32 return_size;
705 	/* The query request id. */
706 	__u32 query;
707 
708 	union {
709 		struct {
710 			__u32 id;
711 			__u32 _pad;
712 		} mode_crtc;
713 
714 		struct {
715 			/** AMDGPU_HW_IP_* */
716 			__u32 type;
717 			/**
718 			 * Index of the IP if there are more IPs of the same
719 			 * type. Ignored by AMDGPU_INFO_HW_IP_COUNT.
720 			 */
721 			__u32 ip_instance;
722 		} query_hw_ip;
723 
724 		struct {
725 			__u32 dword_offset;
726 			/** number of registers to read */
727 			__u32 count;
728 			__u32 instance;
729 			/** For future use, no flags defined so far */
730 			__u32 flags;
731 		} read_mmr_reg;
732 
733 		struct drm_amdgpu_query_fw query_fw;
734 
735 		struct {
736 			__u32 type;
737 			__u32 offset;
738 		} vbios_info;
739 
740 		struct {
741 			__u32 type;
742 		} sensor_info;
743 	};
744 };
745 
746 struct drm_amdgpu_info_gds {
747 	/** GDS GFX partition size */
748 	__u32 gds_gfx_partition_size;
749 	/** GDS compute partition size */
750 	__u32 compute_partition_size;
751 	/** total GDS memory size */
752 	__u32 gds_total_size;
753 	/** GWS size per GFX partition */
754 	__u32 gws_per_gfx_partition;
755 	/** GSW size per compute partition */
756 	__u32 gws_per_compute_partition;
757 	/** OA size per GFX partition */
758 	__u32 oa_per_gfx_partition;
759 	/** OA size per compute partition */
760 	__u32 oa_per_compute_partition;
761 	__u32 _pad;
762 };
763 
764 struct drm_amdgpu_info_vram_gtt {
765 	__u64 vram_size;
766 	__u64 vram_cpu_accessible_size;
767 	__u64 gtt_size;
768 };
769 
770 struct drm_amdgpu_heap_info {
771 	/** max. physical memory */
772 	__u64 total_heap_size;
773 
774 	/** Theoretical max. available memory in the given heap */
775 	__u64 usable_heap_size;
776 
777 	/**
778 	 * Number of bytes allocated in the heap. This includes all processes
779 	 * and private allocations in the kernel. It changes when new buffers
780 	 * are allocated, freed, and moved. It cannot be larger than
781 	 * heap_size.
782 	 */
783 	__u64 heap_usage;
784 
785 	/**
786 	 * Theoretical possible max. size of buffer which
787 	 * could be allocated in the given heap
788 	 */
789 	__u64 max_allocation;
790 };
791 
792 struct drm_amdgpu_memory_info {
793 	struct drm_amdgpu_heap_info vram;
794 	struct drm_amdgpu_heap_info cpu_accessible_vram;
795 	struct drm_amdgpu_heap_info gtt;
796 };
797 
798 struct drm_amdgpu_info_firmware {
799 	__u32 ver;
800 	__u32 feature;
801 };
802 
803 #define AMDGPU_VRAM_TYPE_UNKNOWN 0
804 #define AMDGPU_VRAM_TYPE_GDDR1 1
805 #define AMDGPU_VRAM_TYPE_DDR2  2
806 #define AMDGPU_VRAM_TYPE_GDDR3 3
807 #define AMDGPU_VRAM_TYPE_GDDR4 4
808 #define AMDGPU_VRAM_TYPE_GDDR5 5
809 #define AMDGPU_VRAM_TYPE_HBM   6
810 #define AMDGPU_VRAM_TYPE_DDR3  7
811 #define AMDGPU_VRAM_TYPE_DDR4  8
812 
813 struct drm_amdgpu_info_device {
814 	/** PCI Device ID */
815 	__u32 device_id;
816 	/** Internal chip revision: A0, A1, etc.) */
817 	__u32 chip_rev;
818 	__u32 external_rev;
819 	/** Revision id in PCI Config space */
820 	__u32 pci_rev;
821 	__u32 family;
822 	__u32 num_shader_engines;
823 	__u32 num_shader_arrays_per_engine;
824 	/* in KHz */
825 	__u32 gpu_counter_freq;
826 	__u64 max_engine_clock;
827 	__u64 max_memory_clock;
828 	/* cu information */
829 	__u32 cu_active_number;
830 	/* NOTE: cu_ao_mask is INVALID, DON'T use it */
831 	__u32 cu_ao_mask;
832 	__u32 cu_bitmap[4][4];
833 	/** Render backend pipe mask. One render backend is CB+DB. */
834 	__u32 enabled_rb_pipes_mask;
835 	__u32 num_rb_pipes;
836 	__u32 num_hw_gfx_contexts;
837 	__u32 _pad;
838 	__u64 ids_flags;
839 	/** Starting virtual address for UMDs. */
840 	__u64 virtual_address_offset;
841 	/** The maximum virtual address */
842 	__u64 virtual_address_max;
843 	/** Required alignment of virtual addresses. */
844 	__u32 virtual_address_alignment;
845 	/** Page table entry - fragment size */
846 	__u32 pte_fragment_size;
847 	__u32 gart_page_size;
848 	/** constant engine ram size*/
849 	__u32 ce_ram_size;
850 	/** video memory type info*/
851 	__u32 vram_type;
852 	/** video memory bit width*/
853 	__u32 vram_bit_width;
854 	/* vce harvesting instance */
855 	__u32 vce_harvest_config;
856 	/* gfx double offchip LDS buffers */
857 	__u32 gc_double_offchip_lds_buf;
858 	/* NGG Primitive Buffer */
859 	__u64 prim_buf_gpu_addr;
860 	/* NGG Position Buffer */
861 	__u64 pos_buf_gpu_addr;
862 	/* NGG Control Sideband */
863 	__u64 cntl_sb_buf_gpu_addr;
864 	/* NGG Parameter Cache */
865 	__u64 param_buf_gpu_addr;
866 	__u32 prim_buf_size;
867 	__u32 pos_buf_size;
868 	__u32 cntl_sb_buf_size;
869 	__u32 param_buf_size;
870 	/* wavefront size*/
871 	__u32 wave_front_size;
872 	/* shader visible vgprs*/
873 	__u32 num_shader_visible_vgprs;
874 	/* CU per shader array*/
875 	__u32 num_cu_per_sh;
876 	/* number of tcc blocks*/
877 	__u32 num_tcc_blocks;
878 	/* gs vgt table depth*/
879 	__u32 gs_vgt_table_depth;
880 	/* gs primitive buffer depth*/
881 	__u32 gs_prim_buffer_depth;
882 	/* max gs wavefront per vgt*/
883 	__u32 max_gs_waves_per_vgt;
884 	__u32 _pad1;
885 	/* always on cu bitmap */
886 	__u32 cu_ao_bitmap[4][4];
887 	/** Starting high virtual address for UMDs. */
888 	__u64 high_va_offset;
889 	/** The maximum high virtual address */
890 	__u64 high_va_max;
891 };
892 
893 struct drm_amdgpu_info_hw_ip {
894 	/** Version of h/w IP */
895 	__u32  hw_ip_version_major;
896 	__u32  hw_ip_version_minor;
897 	/** Capabilities */
898 	__u64  capabilities_flags;
899 	/** command buffer address start alignment*/
900 	__u32  ib_start_alignment;
901 	/** command buffer size alignment*/
902 	__u32  ib_size_alignment;
903 	/** Bitmask of available rings. Bit 0 means ring 0, etc. */
904 	__u32  available_rings;
905 	__u32  _pad;
906 };
907 
908 struct drm_amdgpu_info_num_handles {
909 	/** Max handles as supported by firmware for UVD */
910 	__u32  uvd_max_handles;
911 	/** Handles currently in use for UVD */
912 	__u32  uvd_used_handles;
913 };
914 
915 #define AMDGPU_VCE_CLOCK_TABLE_ENTRIES		6
916 
917 struct drm_amdgpu_info_vce_clock_table_entry {
918 	/** System clock */
919 	__u32 sclk;
920 	/** Memory clock */
921 	__u32 mclk;
922 	/** VCE clock */
923 	__u32 eclk;
924 	__u32 pad;
925 };
926 
927 struct drm_amdgpu_info_vce_clock_table {
928 	struct drm_amdgpu_info_vce_clock_table_entry entries[AMDGPU_VCE_CLOCK_TABLE_ENTRIES];
929 	__u32 num_valid_entries;
930 	__u32 pad;
931 };
932 
933 /*
934  * Supported GPU families
935  */
936 #define AMDGPU_FAMILY_UNKNOWN			0
937 #define AMDGPU_FAMILY_SI			110 /* Hainan, Oland, Verde, Pitcairn, Tahiti */
938 #define AMDGPU_FAMILY_CI			120 /* Bonaire, Hawaii */
939 #define AMDGPU_FAMILY_KV			125 /* Kaveri, Kabini, Mullins */
940 #define AMDGPU_FAMILY_VI			130 /* Iceland, Tonga */
941 #define AMDGPU_FAMILY_CZ			135 /* Carrizo, Stoney */
942 #define AMDGPU_FAMILY_AI			141 /* Vega10 */
943 #define AMDGPU_FAMILY_RV			142 /* Raven */
944 
945 #if defined(__cplusplus)
946 }
947 #endif
948 
949 #endif
950