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