1 /* amdgpu_drm.h -- Public header for the amdgpu driver -*- linux-c -*-
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.
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:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
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.
27 * Kevin E. Martin <martin@valinux.com>
28 * Gareth Hughes <gareth@valinux.com>
29 * Keith Whitwell <keith@tungstengraphics.com>
32 #ifndef __AMDGPU_DRM_H__
33 #define __AMDGPU_DRM_H__
37 #if defined(__cplusplus)
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
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)
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
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)
89 struct drm_amdgpu_gem_create_in {
90 /** the requested memory size */
92 /** physical start_addr alignment in bytes for some HW requirements */
94 /** the requested memory domains */
96 /** allocation flags */
100 struct drm_amdgpu_gem_create_out {
101 /** returned GEM object handle */
106 union drm_amdgpu_gem_create {
107 struct drm_amdgpu_gem_create_in in;
108 struct drm_amdgpu_gem_create_out out;
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
118 struct drm_amdgpu_bo_list_in {
119 /** Type of operation */
121 /** Handle of list or 0 if we want to create one */
123 /** Number of BOs in list */
125 /** Size of each element describing BO */
127 /** Pointer to array describing BOs */
131 struct drm_amdgpu_bo_list_entry {
134 /** New (if specified) BO priority to be used during migration */
138 struct drm_amdgpu_bo_list_out {
139 /** Handle of resource list */
144 union drm_amdgpu_bo_list {
145 struct drm_amdgpu_bo_list_in in;
146 struct drm_amdgpu_bo_list_out out;
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
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
161 #define AMDGPU_CTX_UNKNOWN_RESET 3
163 struct drm_amdgpu_ctx_in {
164 /** AMDGPU_CTX_OP_* */
166 /** For future use, no flags defined so far */
172 union drm_amdgpu_ctx_out {
179 /** For future use, no flags defined so far */
181 /** Number of resets caused by this context so far. */
183 /** Reset status since the last call of the ioctl. */
188 union drm_amdgpu_ctx {
189 struct drm_amdgpu_ctx_in in;
190 union drm_amdgpu_ctx_out out;
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.
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)
203 struct drm_amdgpu_gem_userptr {
206 /* AMDGPU_GEM_USERPTR_* */
208 /* Resulting GEM handle */
213 /* same meaning as the GB_TILE_MODE and GL_MACRO_TILE_MODE fields */
214 #define AMDGPU_TILING_ARRAY_MODE_SHIFT 0
215 #define AMDGPU_TILING_ARRAY_MODE_MASK 0xf
216 #define AMDGPU_TILING_PIPE_CONFIG_SHIFT 4
217 #define AMDGPU_TILING_PIPE_CONFIG_MASK 0x1f
218 #define AMDGPU_TILING_TILE_SPLIT_SHIFT 9
219 #define AMDGPU_TILING_TILE_SPLIT_MASK 0x7
220 #define AMDGPU_TILING_MICRO_TILE_MODE_SHIFT 12
221 #define AMDGPU_TILING_MICRO_TILE_MODE_MASK 0x7
222 #define AMDGPU_TILING_BANK_WIDTH_SHIFT 15
223 #define AMDGPU_TILING_BANK_WIDTH_MASK 0x3
224 #define AMDGPU_TILING_BANK_HEIGHT_SHIFT 17
225 #define AMDGPU_TILING_BANK_HEIGHT_MASK 0x3
226 #define AMDGPU_TILING_MACRO_TILE_ASPECT_SHIFT 19
227 #define AMDGPU_TILING_MACRO_TILE_ASPECT_MASK 0x3
228 #define AMDGPU_TILING_NUM_BANKS_SHIFT 21
229 #define AMDGPU_TILING_NUM_BANKS_MASK 0x3
231 /* GFX9 and later: */
232 #define AMDGPU_TILING_SWIZZLE_MODE_SHIFT 0
233 #define AMDGPU_TILING_SWIZZLE_MODE_MASK 0x1f
235 #define AMDGPU_TILING_SET(field, value) \
236 (((__u64)(value) & AMDGPU_TILING_##field##_MASK) << AMDGPU_TILING_##field##_SHIFT)
237 #define AMDGPU_TILING_GET(value, field) \
238 (((__u64)(value) >> AMDGPU_TILING_##field##_SHIFT) & AMDGPU_TILING_##field##_MASK)
240 #define AMDGPU_GEM_METADATA_OP_SET_METADATA 1
241 #define AMDGPU_GEM_METADATA_OP_GET_METADATA 2
243 /** The same structure is shared for input/output */
244 struct drm_amdgpu_gem_metadata {
245 /** GEM Object handle */
247 /** Do we want get or set metadata */
250 /** For future use, no flags defined so far */
252 /** family specific tiling info */
254 __u32 data_size_bytes;
259 struct drm_amdgpu_gem_mmap_in {
260 /** the GEM object handle */
265 struct drm_amdgpu_gem_mmap_out {
266 /** mmap offset from the vma offset manager */
270 union drm_amdgpu_gem_mmap {
271 struct drm_amdgpu_gem_mmap_in in;
272 struct drm_amdgpu_gem_mmap_out out;
275 struct drm_amdgpu_gem_wait_idle_in {
276 /** GEM object handle */
278 /** For future use, no flags defined so far */
280 /** Absolute timeout to wait */
284 struct drm_amdgpu_gem_wait_idle_out {
285 /** BO status: 0 - BO is idle, 1 - BO is busy */
287 /** Returned current memory domain */
291 union drm_amdgpu_gem_wait_idle {
292 struct drm_amdgpu_gem_wait_idle_in in;
293 struct drm_amdgpu_gem_wait_idle_out out;
296 struct drm_amdgpu_wait_cs_in {
297 /** Command submission handle */
299 /** Absolute timeout to wait */
307 struct drm_amdgpu_wait_cs_out {
308 /** CS status: 0 - CS completed, 1 - CS still busy */
312 union drm_amdgpu_wait_cs {
313 struct drm_amdgpu_wait_cs_in in;
314 struct drm_amdgpu_wait_cs_out out;
317 struct drm_amdgpu_fence {
325 struct drm_amdgpu_wait_fences_in {
326 /** This points to uint64_t * which points to fences */
333 struct drm_amdgpu_wait_fences_out {
335 __u32 first_signaled;
338 union drm_amdgpu_wait_fences {
339 struct drm_amdgpu_wait_fences_in in;
340 struct drm_amdgpu_wait_fences_out out;
343 #define AMDGPU_GEM_OP_GET_GEM_CREATE_INFO 0
344 #define AMDGPU_GEM_OP_SET_PLACEMENT 1
346 /* Sets or returns a value associated with a buffer. */
347 struct drm_amdgpu_gem_op {
348 /** GEM object handle */
350 /** AMDGPU_GEM_OP_* */
352 /** Input or return value */
356 #define AMDGPU_VA_OP_MAP 1
357 #define AMDGPU_VA_OP_UNMAP 2
359 /* Delay the page table update till the next CS */
360 #define AMDGPU_VM_DELAY_UPDATE (1 << 0)
363 /* readable mapping */
364 #define AMDGPU_VM_PAGE_READABLE (1 << 1)
365 /* writable mapping */
366 #define AMDGPU_VM_PAGE_WRITEABLE (1 << 2)
367 /* executable mapping, new for VI */
368 #define AMDGPU_VM_PAGE_EXECUTABLE (1 << 3)
370 struct drm_amdgpu_gem_va {
371 /** GEM object handle */
374 /** AMDGPU_VA_OP_* */
376 /** AMDGPU_VM_PAGE_* */
378 /** va address to assign . Must be correctly aligned.*/
380 /** Specify offset inside of BO to assign. Must be correctly aligned.*/
382 /** Specify mapping size. Must be correctly aligned. */
386 #define AMDGPU_HW_IP_GFX 0
387 #define AMDGPU_HW_IP_COMPUTE 1
388 #define AMDGPU_HW_IP_DMA 2
389 #define AMDGPU_HW_IP_UVD 3
390 #define AMDGPU_HW_IP_VCE 4
391 #define AMDGPU_HW_IP_UVD_ENC 5
392 #define AMDGPU_HW_IP_NUM 6
394 #define AMDGPU_HW_IP_INSTANCE_MAX_COUNT 1
396 #define AMDGPU_CHUNK_ID_IB 0x01
397 #define AMDGPU_CHUNK_ID_FENCE 0x02
398 #define AMDGPU_CHUNK_ID_DEPENDENCIES 0x03
400 struct drm_amdgpu_cs_chunk {
406 struct drm_amdgpu_cs_in {
407 /** Rendering context id */
409 /** Handle of resource list associated with CS */
410 __u32 bo_list_handle;
413 /** this points to __u64 * which point to cs chunks */
417 struct drm_amdgpu_cs_out {
421 union drm_amdgpu_cs {
422 struct drm_amdgpu_cs_in in;
423 struct drm_amdgpu_cs_out out;
426 /* Specify flags to be used for IB */
428 /* This IB should be submitted to CE */
429 #define AMDGPU_IB_FLAG_CE (1<<0)
432 #define AMDGPU_IB_FLAG_PREAMBLE (1<<1)
434 struct drm_amdgpu_cs_chunk_ib {
436 /** AMDGPU_IB_FLAG_* */
438 /** Virtual address to begin IB execution */
440 /** Size of submission */
442 /** HW IP to submit to */
444 /** HW IP index of the same type to submit to */
446 /** Ring index to submit to */
450 struct drm_amdgpu_cs_chunk_dep {
458 struct drm_amdgpu_cs_chunk_fence {
463 struct drm_amdgpu_cs_chunk_data {
465 struct drm_amdgpu_cs_chunk_ib ib_data;
466 struct drm_amdgpu_cs_chunk_fence fence_data;
471 * Query h/w info: Flag that this is integrated (a.h.a. fusion) GPU
474 #define AMDGPU_IDS_FLAGS_FUSION 0x1
475 #define AMDGPU_IDS_FLAGS_PREEMPTION 0x2
477 /* indicate if acceleration can be working */
478 #define AMDGPU_INFO_ACCEL_WORKING 0x00
479 /* get the crtc_id from the mode object id? */
480 #define AMDGPU_INFO_CRTC_FROM_ID 0x01
481 /* query hw IP info */
482 #define AMDGPU_INFO_HW_IP_INFO 0x02
483 /* query hw IP instance count for the specified type */
484 #define AMDGPU_INFO_HW_IP_COUNT 0x03
485 /* timestamp for GL_ARB_timer_query */
486 #define AMDGPU_INFO_TIMESTAMP 0x05
487 /* Query the firmware version */
488 #define AMDGPU_INFO_FW_VERSION 0x0e
489 /* Subquery id: Query VCE firmware version */
490 #define AMDGPU_INFO_FW_VCE 0x1
491 /* Subquery id: Query UVD firmware version */
492 #define AMDGPU_INFO_FW_UVD 0x2
493 /* Subquery id: Query GMC firmware version */
494 #define AMDGPU_INFO_FW_GMC 0x03
495 /* Subquery id: Query GFX ME firmware version */
496 #define AMDGPU_INFO_FW_GFX_ME 0x04
497 /* Subquery id: Query GFX PFP firmware version */
498 #define AMDGPU_INFO_FW_GFX_PFP 0x05
499 /* Subquery id: Query GFX CE firmware version */
500 #define AMDGPU_INFO_FW_GFX_CE 0x06
501 /* Subquery id: Query GFX RLC firmware version */
502 #define AMDGPU_INFO_FW_GFX_RLC 0x07
503 /* Subquery id: Query GFX MEC firmware version */
504 #define AMDGPU_INFO_FW_GFX_MEC 0x08
505 /* Subquery id: Query SMC firmware version */
506 #define AMDGPU_INFO_FW_SMC 0x0a
507 /* Subquery id: Query SDMA firmware version */
508 #define AMDGPU_INFO_FW_SDMA 0x0b
509 /* number of bytes moved for TTM migration */
510 #define AMDGPU_INFO_NUM_BYTES_MOVED 0x0f
511 /* the used VRAM size */
512 #define AMDGPU_INFO_VRAM_USAGE 0x10
513 /* the used GTT size */
514 #define AMDGPU_INFO_GTT_USAGE 0x11
515 /* Information about GDS, etc. resource configuration */
516 #define AMDGPU_INFO_GDS_CONFIG 0x13
517 /* Query information about VRAM and GTT domains */
518 #define AMDGPU_INFO_VRAM_GTT 0x14
519 /* Query information about register in MMR address space*/
520 #define AMDGPU_INFO_READ_MMR_REG 0x15
521 /* Query information about device: rev id, family, etc. */
522 #define AMDGPU_INFO_DEV_INFO 0x16
523 /* visible vram usage */
524 #define AMDGPU_INFO_VIS_VRAM_USAGE 0x17
525 /* number of TTM buffer evictions */
526 #define AMDGPU_INFO_NUM_EVICTIONS 0x18
527 /* Query memory about VRAM and GTT domains */
528 #define AMDGPU_INFO_MEMORY 0x19
529 /* Query vce clock table */
530 #define AMDGPU_INFO_VCE_CLOCK_TABLE 0x1A
531 /* Query vbios related information */
532 #define AMDGPU_INFO_VBIOS 0x1B
533 /* Subquery id: Query vbios size */
534 #define AMDGPU_INFO_VBIOS_SIZE 0x1
535 /* Subquery id: Query vbios image */
536 #define AMDGPU_INFO_VBIOS_IMAGE 0x2
537 /* Query UVD handles */
538 #define AMDGPU_INFO_NUM_HANDLES 0x1C
540 #define AMDGPU_INFO_MMR_SE_INDEX_SHIFT 0
541 #define AMDGPU_INFO_MMR_SE_INDEX_MASK 0xff
542 #define AMDGPU_INFO_MMR_SH_INDEX_SHIFT 8
543 #define AMDGPU_INFO_MMR_SH_INDEX_MASK 0xff
545 struct drm_amdgpu_query_fw {
546 /** AMDGPU_INFO_FW_* */
549 * Index of the IP if there are more IPs of
554 * Index of the engine. Whether this is used depends
555 * on the firmware type. (e.g. MEC, SDMA)
561 /* Input structure for the INFO ioctl */
562 struct drm_amdgpu_info {
563 /* Where the return value will be stored */
564 __u64 return_pointer;
565 /* The size of the return value. Just like "size" in "snprintf",
566 * it limits how many bytes the kernel can write. */
568 /* The query request id. */
578 /** AMDGPU_HW_IP_* */
581 * Index of the IP if there are more IPs of the same
582 * type. Ignored by AMDGPU_INFO_HW_IP_COUNT.
589 /** number of registers to read */
592 /** For future use, no flags defined so far */
596 struct drm_amdgpu_query_fw query_fw;
605 struct drm_amdgpu_info_gds {
606 /** GDS GFX partition size */
607 __u32 gds_gfx_partition_size;
608 /** GDS compute partition size */
609 __u32 compute_partition_size;
610 /** total GDS memory size */
611 __u32 gds_total_size;
612 /** GWS size per GFX partition */
613 __u32 gws_per_gfx_partition;
614 /** GSW size per compute partition */
615 __u32 gws_per_compute_partition;
616 /** OA size per GFX partition */
617 __u32 oa_per_gfx_partition;
618 /** OA size per compute partition */
619 __u32 oa_per_compute_partition;
623 struct drm_amdgpu_info_vram_gtt {
625 __u64 vram_cpu_accessible_size;
629 struct drm_amdgpu_heap_info {
630 /** max. physical memory */
631 __u64 total_heap_size;
633 /** Theoretical max. available memory in the given heap */
634 __u64 usable_heap_size;
637 * Number of bytes allocated in the heap. This includes all processes
638 * and private allocations in the kernel. It changes when new buffers
639 * are allocated, freed, and moved. It cannot be larger than
645 * Theoretical possible max. size of buffer which
646 * could be allocated in the given heap
648 __u64 max_allocation;
651 struct drm_amdgpu_memory_info {
652 struct drm_amdgpu_heap_info vram;
653 struct drm_amdgpu_heap_info cpu_accessible_vram;
654 struct drm_amdgpu_heap_info gtt;
657 struct drm_amdgpu_info_firmware {
662 #define AMDGPU_VRAM_TYPE_UNKNOWN 0
663 #define AMDGPU_VRAM_TYPE_GDDR1 1
664 #define AMDGPU_VRAM_TYPE_DDR2 2
665 #define AMDGPU_VRAM_TYPE_GDDR3 3
666 #define AMDGPU_VRAM_TYPE_GDDR4 4
667 #define AMDGPU_VRAM_TYPE_GDDR5 5
668 #define AMDGPU_VRAM_TYPE_HBM 6
669 #define AMDGPU_VRAM_TYPE_DDR3 7
671 struct drm_amdgpu_info_device {
674 /** Internal chip revision: A0, A1, etc.) */
677 /** Revision id in PCI Config space */
680 __u32 num_shader_engines;
681 __u32 num_shader_arrays_per_engine;
683 __u32 gpu_counter_freq;
684 __u64 max_engine_clock;
685 __u64 max_memory_clock;
687 __u32 cu_active_number;
689 __u32 cu_bitmap[4][4];
690 /** Render backend pipe mask. One render backend is CB+DB. */
691 __u32 enabled_rb_pipes_mask;
693 __u32 num_hw_gfx_contexts;
696 /** Starting virtual address for UMDs. */
697 __u64 virtual_address_offset;
698 /** The maximum virtual address */
699 __u64 virtual_address_max;
700 /** Required alignment of virtual addresses. */
701 __u32 virtual_address_alignment;
702 /** Page table entry - fragment size */
703 __u32 pte_fragment_size;
704 __u32 gart_page_size;
705 /** constant engine ram size*/
707 /** video memory type info*/
709 /** video memory bit width*/
710 __u32 vram_bit_width;
711 /* vce harvesting instance */
712 __u32 vce_harvest_config;
715 struct drm_amdgpu_info_hw_ip {
716 /** Version of h/w IP */
717 __u32 hw_ip_version_major;
718 __u32 hw_ip_version_minor;
720 __u64 capabilities_flags;
721 /** command buffer address start alignment*/
722 __u32 ib_start_alignment;
723 /** command buffer size alignment*/
724 __u32 ib_size_alignment;
725 /** Bitmask of available rings. Bit 0 means ring 0, etc. */
726 __u32 available_rings;
730 struct drm_amdgpu_info_num_handles {
731 /** Max handles as supported by firmware for UVD */
732 __u32 uvd_max_handles;
733 /** Handles currently in use for UVD */
734 __u32 uvd_used_handles;
737 #define AMDGPU_VCE_CLOCK_TABLE_ENTRIES 6
739 struct drm_amdgpu_info_vce_clock_table_entry {
749 struct drm_amdgpu_info_vce_clock_table {
750 struct drm_amdgpu_info_vce_clock_table_entry entries[AMDGPU_VCE_CLOCK_TABLE_ENTRIES];
751 __u32 num_valid_entries;
756 * Supported GPU families
758 #define AMDGPU_FAMILY_UNKNOWN 0
759 #define AMDGPU_FAMILY_SI 110 /* Hainan, Oland, Verde, Pitcairn, Tahiti */
760 #define AMDGPU_FAMILY_CI 120 /* Bonaire, Hawaii */
761 #define AMDGPU_FAMILY_KV 125 /* Kaveri, Kabini, Mullins */
762 #define AMDGPU_FAMILY_VI 130 /* Iceland, Tonga */
763 #define AMDGPU_FAMILY_CZ 135 /* Carrizo, Stoney */
764 #define AMDGPU_FAMILY_AI 141 /* Vega10 */
766 #if defined(__cplusplus)