include/uapi/drm/amdgpu_drm.h

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