drivers/gpu/drm/amd/include/mes_v11_api_def.h

   1 /*
   2  * Copyright 2022 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23
  24 #ifndef __MES_API_DEF_H__
  25 #define __MES_API_DEF_H__
  26
  27 #pragma pack(push, 4)
  28
  29 #define MES_API_VERSION 1
  30
  31 /* Driver submits one API(cmd) as a single Frame and this command size is same
  32  * for all API to ease the debugging and parsing of ring buffer.
  33  */
  34 enum { API_FRAME_SIZE_IN_DWORDS = 64 };
  35
  36 /* To avoid command in scheduler context to be overwritten whenenver mutilple
  37  * interrupts come in, this creates another queue.
  38  */
  39 enum { API_NUMBER_OF_COMMAND_MAX = 32 };
  40
  41 enum MES_API_TYPE {
  42         MES_API_TYPE_SCHEDULER = 1,
  43         MES_API_TYPE_MAX
  44 };
  45
  46 enum MES_SCH_API_OPCODE {
  47         MES_SCH_API_SET_HW_RSRC                 = 0,
  48         MES_SCH_API_SET_SCHEDULING_CONFIG       = 1, /* agreegated db, quantums, etc */
  49         MES_SCH_API_ADD_QUEUE                   = 2,
  50         MES_SCH_API_REMOVE_QUEUE                = 3,
  51         MES_SCH_API_PERFORM_YIELD               = 4,
  52         MES_SCH_API_SET_GANG_PRIORITY_LEVEL     = 5,
  53         MES_SCH_API_SUSPEND                     = 6,
  54         MES_SCH_API_RESUME                      = 7,
  55         MES_SCH_API_RESET                       = 8,
  56         MES_SCH_API_SET_LOG_BUFFER              = 9,
  57         MES_SCH_API_CHANGE_GANG_PRORITY         = 10,
  58         MES_SCH_API_QUERY_SCHEDULER_STATUS      = 11,
  59         MES_SCH_API_PROGRAM_GDS                 = 12,
  60         MES_SCH_API_SET_DEBUG_VMID              = 13,
  61         MES_SCH_API_MISC                        = 14,
  62         MES_SCH_API_UPDATE_ROOT_PAGE_TABLE      = 15,
  63         MES_SCH_API_AMD_LOG                     = 16,
  64         MES_SCH_API_MAX                         = 0xFF
  65 };
  66
  67 union MES_API_HEADER {
  68         struct {
  69                 uint32_t type           : 4; /* 0 - Invalid; 1 - Scheduling; 2 - TBD */
  70                 uint32_t opcode         : 8;
  71                 uint32_t dwsize         : 8; /* including header */
  72                 uint32_t reserved       : 12;
  73         };
  74
  75         uint32_t        u32All;
  76 };
  77
  78 enum MES_AMD_PRIORITY_LEVEL {
  79         AMD_PRIORITY_LEVEL_LOW          = 0,
  80         AMD_PRIORITY_LEVEL_NORMAL       = 1,
  81         AMD_PRIORITY_LEVEL_MEDIUM       = 2,
  82         AMD_PRIORITY_LEVEL_HIGH         = 3,
  83         AMD_PRIORITY_LEVEL_REALTIME     = 4,
  84         AMD_PRIORITY_NUM_LEVELS
  85 };
  86
  87 enum MES_QUEUE_TYPE {
  88         MES_QUEUE_TYPE_GFX,
  89         MES_QUEUE_TYPE_COMPUTE,
  90         MES_QUEUE_TYPE_SDMA,
  91         MES_QUEUE_TYPE_MAX,
  92 };
  93
  94 struct MES_API_STATUS {
  95         uint64_t        api_completion_fence_addr;
  96         uint64_t        api_completion_fence_value;
  97 };
  98
  99 enum { MAX_COMPUTE_PIPES = 8 };
 100 enum { MAX_GFX_PIPES = 2 };
 101 enum { MAX_SDMA_PIPES = 2 };
 102
 103 enum { MAX_COMPUTE_HQD_PER_PIPE = 8 };
 104 enum { MAX_GFX_HQD_PER_PIPE = 8 };
 105 enum { MAX_SDMA_HQD_PER_PIPE = 10 };
 106 enum { MAX_SDMA_HQD_PER_PIPE_11_0   = 8 };
 107
 108 enum { MAX_QUEUES_IN_A_GANG = 8 };
 109
 110 enum VM_HUB_TYPE {
 111         VM_HUB_TYPE_GC = 0,
 112         VM_HUB_TYPE_MM = 1,
 113         VM_HUB_TYPE_MAX,
 114 };
 115
 116 enum { VMID_INVALID = 0xffff };
 117
 118 enum { MAX_VMID_GCHUB = 16 };
 119 enum { MAX_VMID_MMHUB = 16 };
 120
 121 enum SET_DEBUG_VMID_OPERATIONS {
 122         DEBUG_VMID_OP_PROGRAM = 0,
 123         DEBUG_VMID_OP_ALLOCATE = 1,
 124         DEBUG_VMID_OP_RELEASE = 2
 125 };
 126
 127 enum MES_LOG_OPERATION {
 128         MES_LOG_OPERATION_CONTEXT_STATE_CHANGE = 0,
 129         MES_LOG_OPERATION_QUEUE_NEW_WORK = 1,
 130         MES_LOG_OPERATION_QUEUE_UNWAIT_SYNC_OBJECT = 2,
 131         MES_LOG_OPERATION_QUEUE_NO_MORE_WORK = 3,
 132         MES_LOG_OPERATION_QUEUE_WAIT_SYNC_OBJECT = 4,
 133         MES_LOG_OPERATION_QUEUE_INVALID = 0xF,
 134 };
 135
 136 enum MES_LOG_CONTEXT_STATE {
 137         MES_LOG_CONTEXT_STATE_IDLE              = 0,
 138         MES_LOG_CONTEXT_STATE_RUNNING           = 1,
 139         MES_LOG_CONTEXT_STATE_READY             = 2,
 140         MES_LOG_CONTEXT_STATE_READY_STANDBY     = 3,
 141         MES_LOG_CONTEXT_STATE_INVALID           = 0xF,
 142 };
 143
 144 struct MES_LOG_CONTEXT_STATE_CHANGE {
 145         void                            *h_context;
 146         enum MES_LOG_CONTEXT_STATE      new_context_state;
 147 };
 148
 149 struct MES_LOG_QUEUE_NEW_WORK {
 150         uint64_t                   h_queue;
 151         uint64_t                   reserved;
 152 };
 153
 154 struct MES_LOG_QUEUE_UNWAIT_SYNC_OBJECT {
 155         uint64_t                   h_queue;
 156         uint64_t                   h_sync_object;
 157 };
 158
 159 struct MES_LOG_QUEUE_NO_MORE_WORK {
 160         uint64_t                   h_queue;
 161         uint64_t                   reserved;
 162 };
 163
 164 struct MES_LOG_QUEUE_WAIT_SYNC_OBJECT {
 165         uint64_t                   h_queue;
 166         uint64_t                   h_sync_object;
 167 };
 168
 169 struct MES_LOG_ENTRY_HEADER {
 170         uint32_t        first_free_entry_index;
 171         uint32_t        wraparound_count;
 172         uint64_t        number_of_entries;
 173         uint64_t        reserved[2];
 174 };
 175
 176 struct MES_LOG_ENTRY_DATA {
 177         uint64_t        gpu_time_stamp;
 178         uint32_t        operation_type; /* operation_type is of MES_LOG_OPERATION type */
 179         uint32_t        reserved_operation_type_bits;
 180         union {
 181                 struct MES_LOG_CONTEXT_STATE_CHANGE     context_state_change;
 182                 struct MES_LOG_QUEUE_NEW_WORK           queue_new_work;
 183                 struct MES_LOG_QUEUE_UNWAIT_SYNC_OBJECT queue_unwait_sync_object;
 184                 struct MES_LOG_QUEUE_NO_MORE_WORK       queue_no_more_work;
 185                 struct MES_LOG_QUEUE_WAIT_SYNC_OBJECT   queue_wait_sync_object;
 186                 uint64_t                                all[2];
 187         };
 188 };
 189
 190 struct MES_LOG_BUFFER {
 191         struct MES_LOG_ENTRY_HEADER     header;
 192         struct MES_LOG_ENTRY_DATA       entries[1];
 193 };
 194
 195 enum MES_SWIP_TO_HWIP_DEF {
 196         MES_MAX_HWIP_SEGMENT = 8,
 197 };
 198
 199 union MESAPI_SET_HW_RESOURCES {
 200         struct {
 201                 union MES_API_HEADER    header;
 202                 uint32_t                vmid_mask_mmhub;
 203                 uint32_t                vmid_mask_gfxhub;
 204                 uint32_t                gds_size;
 205                 uint32_t                paging_vmid;
 206                 uint32_t                compute_hqd_mask[MAX_COMPUTE_PIPES];
 207                 uint32_t                gfx_hqd_mask[MAX_GFX_PIPES];
 208                 uint32_t                sdma_hqd_mask[MAX_SDMA_PIPES];
 209                 uint32_t                aggregated_doorbells[AMD_PRIORITY_NUM_LEVELS];
 210                 uint64_t                g_sch_ctx_gpu_mc_ptr;
 211                 uint64_t                query_status_fence_gpu_mc_ptr;
 212                 uint32_t                gc_base[MES_MAX_HWIP_SEGMENT];
 213                 uint32_t                mmhub_base[MES_MAX_HWIP_SEGMENT];
 214                 uint32_t                osssys_base[MES_MAX_HWIP_SEGMENT];
 215                 struct MES_API_STATUS   api_status;
 216                 union {
 217                         struct {
 218                                 uint32_t disable_reset  : 1;
 219                                 uint32_t use_different_vmid_compute : 1;
 220                                 uint32_t disable_mes_log   : 1;
 221                                 uint32_t apply_mmhub_pgvm_invalidate_ack_loss_wa : 1;
 222                                 uint32_t apply_grbm_remote_register_dummy_read_wa : 1;
 223                                 uint32_t second_gfx_pipe_enabled : 1;
 224                                 uint32_t enable_level_process_quantum_check : 1;
 225                                 uint32_t reserved       : 25;
 226                         };
 227                         uint32_t        uint32_t_all;
 228                 };
 229                 uint32_t        oversubscription_timer;
 230                 uint64_t        doorbell_info;
 231         };
 232
 233         uint32_t        max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
 234 };
 235
 236 union MESAPI__ADD_QUEUE {
 237         struct {
 238                 union MES_API_HEADER            header;
 239                 uint32_t                        process_id;
 240                 uint64_t                        page_table_base_addr;
 241                 uint64_t                        process_va_start;
 242                 uint64_t                        process_va_end;
 243                 uint64_t                        process_quantum;
 244                 uint64_t                        process_context_addr;
 245                 uint64_t                        gang_quantum;
 246                 uint64_t                        gang_context_addr;
 247                 uint32_t                        inprocess_gang_priority;
 248                 enum MES_AMD_PRIORITY_LEVEL     gang_global_priority_level;
 249                 uint32_t                        doorbell_offset;
 250                 uint64_t                        mqd_addr;
 251                 uint64_t                        wptr_addr;
 252                 uint64_t                        h_context;
 253                 uint64_t                        h_queue;
 254                 enum MES_QUEUE_TYPE             queue_type;
 255                 uint32_t                        gds_base;
 256                 uint32_t                        gds_size;
 257                 uint32_t                        gws_base;
 258                 uint32_t                        gws_size;
 259                 uint32_t                        oa_mask;
 260                 uint64_t                        trap_handler_addr;
 261                 uint32_t                        vm_context_cntl;
 262
 263                 struct {
 264                         uint32_t paging                 : 1;
 265                         uint32_t debug_vmid             : 4;
 266                         uint32_t program_gds            : 1;
 267                         uint32_t is_gang_suspended      : 1;
 268                         uint32_t is_tmz_queue           : 1;
 269                         uint32_t map_kiq_utility_queue  : 1;
 270                         uint32_t is_kfd_process         : 1;
 271                         uint32_t trap_en                : 1;
 272                         uint32_t reserved               : 21;
 273                 };
 274                 struct MES_API_STATUS           api_status;
 275                 uint64_t                        tma_addr;
 276         };
 277
 278         uint32_t        max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
 279 };
 280
 281 union MESAPI__REMOVE_QUEUE {
 282         struct {
 283                 union MES_API_HEADER    header;
 284                 uint32_t                doorbell_offset;
 285                 uint64_t                gang_context_addr;
 286
 287                 struct {
 288                         uint32_t unmap_legacy_gfx_queue   : 1;
 289                         uint32_t unmap_kiq_utility_queue  : 1;
 290                         uint32_t preempt_legacy_gfx_queue : 1;
 291                         uint32_t unmap_legacy_queue       : 1;
 292                         uint32_t reserved                 : 28;
 293                 };
 294                 struct MES_API_STATUS       api_status;
 295
 296                 uint32_t                    pipe_id;
 297                 uint32_t                    queue_id;
 298
 299                 uint64_t                    tf_addr;
 300                 uint32_t                    tf_data;
 301
 302                 enum MES_QUEUE_TYPE         queue_type;
 303         };
 304
 305         uint32_t        max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
 306 };
 307
 308 union MESAPI__SET_SCHEDULING_CONFIG {
 309         struct {
 310                 union MES_API_HEADER    header;
 311                 /* Grace period when preempting another priority band for this
 312                  * priority band. The value for idle priority band is ignored,
 313                  * as it never preempts other bands.
 314                  */
 315                 uint64_t                grace_period_other_levels[AMD_PRIORITY_NUM_LEVELS];
 316                 /* Default quantum for scheduling across processes within
 317                  * a priority band.
 318                  */
 319                 uint64_t                process_quantum_for_level[AMD_PRIORITY_NUM_LEVELS];
 320                 /* Default grace period for processes that preempt each other
 321                  * within a priority band.
 322                  */
 323                 uint64_t                process_grace_period_same_level[AMD_PRIORITY_NUM_LEVELS];
 324                 /* For normal level this field specifies the target GPU
 325                  * percentage in situations when it's starved by the high level.
 326                  * Valid values are between 0 and 50, with the default being 10.
 327                  */
 328                 uint32_t                normal_yield_percent;
 329                 struct MES_API_STATUS   api_status;
 330         };
 331
 332         uint32_t        max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
 333 };
 334
 335 union MESAPI__PERFORM_YIELD {
 336         struct {
 337                 union MES_API_HEADER    header;
 338                 uint32_t                dummy;
 339                 struct MES_API_STATUS   api_status;
 340         };
 341
 342         uint32_t        max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
 343 };
 344
 345 union MESAPI__CHANGE_GANG_PRIORITY_LEVEL {
 346         struct {
 347                 union MES_API_HEADER            header;
 348                 uint32_t                        inprocess_gang_priority;
 349                 enum MES_AMD_PRIORITY_LEVEL     gang_global_priority_level;
 350                 uint64_t                        gang_quantum;
 351                 uint64_t                        gang_context_addr;
 352                 struct MES_API_STATUS           api_status;
 353         };
 354
 355         uint32_t        max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
 356 };
 357
 358 union MESAPI__SUSPEND {
 359         struct {
 360                 union MES_API_HEADER    header;
 361                 /* false - suspend all gangs; true - specific gang */
 362                 struct {
 363                         uint32_t suspend_all_gangs      : 1;
 364                         uint32_t reserved               : 31;
 365                 };
 366                 /* gang_context_addr is valid only if suspend_all = false */
 367                 uint64_t                gang_context_addr;
 368
 369                 uint64_t                suspend_fence_addr;
 370                 uint32_t                suspend_fence_value;
 371
 372                 struct MES_API_STATUS   api_status;
 373         };
 374
 375         uint32_t        max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
 376 };
 377
 378 union MESAPI__RESUME {
 379         struct {
 380                 union MES_API_HEADER    header;
 381                 /* false - resume all gangs; true - specified gang */
 382                 struct {
 383                         uint32_t resume_all_gangs       : 1;
 384                         uint32_t reserved               : 31;
 385                 };
 386                 /* valid only if resume_all_gangs = false */
 387                 uint64_t                gang_context_addr;
 388
 389                 struct MES_API_STATUS   api_status;
 390         };
 391
 392         uint32_t        max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
 393 };
 394
 395 union MESAPI__RESET {
 396         struct {
 397                 union MES_API_HEADER            header;
 398
 399                 struct {
 400                         /* Only reset the queue given by doorbell_offset (not entire gang) */
 401                         uint32_t                reset_queue_only : 1;
 402                         /* Hang detection first then reset any queues that are hung */
 403                         uint32_t                hang_detect_then_reset : 1;
 404                         /* Only do hang detection (no reset) */
 405                         uint32_t                hang_detect_only : 1;
 406                         /* Rest HP and LP kernel queues not managed by MES */
 407                         uint32_t                reset_legacy_gfx : 1;
 408                         uint32_t                reserved : 28;
 409                 };
 410
 411                 uint64_t                        gang_context_addr;
 412
 413                 /* valid only if reset_queue_only = true */
 414                 uint32_t                        doorbell_offset;
 415
 416                 /* valid only if hang_detect_then_reset = true */
 417                 uint64_t                        doorbell_offset_addr;
 418                 enum MES_QUEUE_TYPE             queue_type;
 419
 420                 /* valid only if reset_legacy_gfx = true */
 421                 uint32_t                        pipe_id_lp;
 422                 uint32_t                        queue_id_lp;
 423                 uint32_t                        vmid_id_lp;
 424                 uint64_t                        mqd_mc_addr_lp;
 425                 uint32_t                        doorbell_offset_lp;
 426                 uint64_t                        wptr_addr_lp;
 427
 428                 uint32_t                        pipe_id_hp;
 429                 uint32_t                        queue_id_hp;
 430                 uint32_t                        vmid_id_hp;
 431                 uint64_t                        mqd_mc_addr_hp;
 432                 uint32_t                        doorbell_offset_hp;
 433                 uint64_t                        wptr_addr_hp;
 434
 435                 struct MES_API_STATUS           api_status;
 436         };
 437
 438         uint32_t        max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
 439 };
 440
 441 union MESAPI__SET_LOGGING_BUFFER {
 442         struct {
 443                 union MES_API_HEADER    header;
 444                 /* There are separate log buffers for each queue type */
 445                 enum MES_QUEUE_TYPE     log_type;
 446                 /* Log buffer GPU Address */
 447                 uint64_t                logging_buffer_addr;
 448                 /* number of entries in the log buffer */
 449                 uint32_t                number_of_entries;
 450                 /* Entry index at which CPU interrupt needs to be signalled */
 451                 uint32_t                interrupt_entry;
 452
 453                 struct MES_API_STATUS   api_status;
 454         };
 455
 456         uint32_t        max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
 457 };
 458
 459 union MESAPI__QUERY_MES_STATUS {
 460         struct {
 461                 union MES_API_HEADER    header;
 462                 bool                    mes_healthy; /* 0 - not healthy, 1 - healthy */
 463                 struct MES_API_STATUS   api_status;
 464         };
 465
 466         uint32_t        max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
 467 };
 468
 469 union MESAPI__PROGRAM_GDS {
 470         struct {
 471                 union MES_API_HEADER    header;
 472                 uint64_t                process_context_addr;
 473                 uint32_t                gds_base;
 474                 uint32_t                gds_size;
 475                 uint32_t                gws_base;
 476                 uint32_t                gws_size;
 477                 uint32_t                oa_mask;
 478                 struct MES_API_STATUS   api_status;
 479         };
 480
 481         uint32_t        max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
 482 };
 483
 484 union MESAPI__SET_DEBUG_VMID {
 485         struct {
 486                 union MES_API_HEADER    header;
 487                 struct MES_API_STATUS   api_status;
 488                 union {
 489                         struct {
 490                                 uint32_t use_gds        : 1;
 491                                 uint32_t operation      : 2;
 492                                 uint32_t reserved       : 29;
 493                         } flags;
 494                         uint32_t        u32All;
 495                 };
 496                 uint32_t                reserved;
 497                 uint32_t                debug_vmid;
 498                 uint64_t                process_context_addr;
 499                 uint64_t                page_table_base_addr;
 500                 uint64_t                process_va_start;
 501                 uint64_t                process_va_end;
 502                 uint32_t                gds_base;
 503                 uint32_t                gds_size;
 504                 uint32_t                gws_base;
 505                 uint32_t                gws_size;
 506                 uint32_t                oa_mask;
 507
 508                 /* output addr of the acquired vmid value */
 509                 uint64_t                output_addr;
 510         };
 511
 512         uint32_t        max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
 513 };
 514
 515 enum MESAPI_MISC_OPCODE {
 516         MESAPI_MISC__WRITE_REG,
 517         MESAPI_MISC__INV_GART,
 518         MESAPI_MISC__QUERY_STATUS,
 519         MESAPI_MISC__READ_REG,
 520         MESAPI_MISC__WAIT_REG_MEM,
 521         MESAPI_MISC__MAX,
 522 };
 523
 524 enum { MISC_DATA_MAX_SIZE_IN_DWORDS = 20 };
 525
 526 struct WRITE_REG {
 527         uint32_t                  reg_offset;
 528         uint32_t                  reg_value;
 529 };
 530
 531 struct READ_REG {
 532         uint32_t                  reg_offset;
 533         uint64_t                  buffer_addr;
 534 };
 535
 536 enum WRM_OPERATION {
 537         WRM_OPERATION__WAIT_REG_MEM,
 538         WRM_OPERATION__WR_WAIT_WR_REG,
 539         WRM_OPERATION__MAX,
 540 };
 541
 542 struct WAIT_REG_MEM {
 543         enum WRM_OPERATION         op;
 544         uint32_t                   reference;
 545         uint32_t                   mask;
 546         uint32_t                   reg_offset1;
 547         uint32_t                   reg_offset2;
 548 };
 549
 550 struct INV_GART {
 551         uint64_t                  inv_range_va_start;
 552         uint64_t                  inv_range_size;
 553 };
 554
 555 struct QUERY_STATUS {
 556         uint32_t context_id;
 557 };
 558
 559 union MESAPI__MISC {
 560         struct {
 561                 union MES_API_HEADER    header;
 562                 enum MESAPI_MISC_OPCODE opcode;
 563                 struct MES_API_STATUS   api_status;
 564
 565                 union {
 566                         struct          WRITE_REG write_reg;
 567                         struct          INV_GART inv_gart;
 568                         struct          QUERY_STATUS query_status;
 569                         struct          READ_REG read_reg;
 570                         struct          WAIT_REG_MEM wait_reg_mem;
 571                         uint32_t        data[MISC_DATA_MAX_SIZE_IN_DWORDS];
 572                 };
 573         };
 574
 575         uint32_t        max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
 576 };
 577
 578 union MESAPI__UPDATE_ROOT_PAGE_TABLE {
 579         struct {
 580                 union MES_API_HEADER        header;
 581                 uint64_t                    page_table_base_addr;
 582                 uint64_t                    process_context_addr;
 583                 struct MES_API_STATUS       api_status;
 584         };
 585
 586         uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
 587 };
 588
 589 union MESAPI_AMD_LOG {
 590         struct {
 591                 union MES_API_HEADER        header;
 592                 uint64_t                    p_buffer_memory;
 593                 uint64_t                    p_buffer_size_used;
 594                 struct MES_API_STATUS       api_status;
 595         };
 596
 597         uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
 598 };
 599
 600 #pragma pack(pop)
 601 #endif