1 /* 2 * Copyright © 2014 Intel Corporation 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 (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 #ifndef _INTEL_GUC_FWIF_H 24 #define _INTEL_GUC_FWIF_H 25 26 /* 27 * This file is partially autogenerated, although currently with some manual 28 * fixups afterwards. In future, it should be entirely autogenerated, in order 29 * to ensure that the definitions herein remain in sync with those used by the 30 * GuC's own firmware. 31 * 32 * EDITING THIS FILE IS THEREFORE NOT RECOMMENDED - YOUR CHANGES MAY BE LOST. 33 */ 34 35 #define GFXCORE_FAMILY_GEN9 12 36 #define GFXCORE_FAMILY_UNKNOWN 0x7fffffff 37 38 #define GUC_CTX_PRIORITY_KMD_HIGH 0 39 #define GUC_CTX_PRIORITY_HIGH 1 40 #define GUC_CTX_PRIORITY_KMD_NORMAL 2 41 #define GUC_CTX_PRIORITY_NORMAL 3 42 #define GUC_CTX_PRIORITY_NUM 4 43 44 #define GUC_MAX_GPU_CONTEXTS 1024 45 #define GUC_INVALID_CTX_ID GUC_MAX_GPU_CONTEXTS 46 47 #define GUC_RENDER_ENGINE 0 48 #define GUC_VIDEO_ENGINE 1 49 #define GUC_BLITTER_ENGINE 2 50 #define GUC_VIDEOENHANCE_ENGINE 3 51 #define GUC_VIDEO_ENGINE2 4 52 #define GUC_MAX_ENGINES_NUM (GUC_VIDEO_ENGINE2 + 1) 53 54 /* Work queue item header definitions */ 55 #define WQ_STATUS_ACTIVE 1 56 #define WQ_STATUS_SUSPENDED 2 57 #define WQ_STATUS_CMD_ERROR 3 58 #define WQ_STATUS_ENGINE_ID_NOT_USED 4 59 #define WQ_STATUS_SUSPENDED_FROM_RESET 5 60 #define WQ_TYPE_SHIFT 0 61 #define WQ_TYPE_BATCH_BUF (0x1 << WQ_TYPE_SHIFT) 62 #define WQ_TYPE_PSEUDO (0x2 << WQ_TYPE_SHIFT) 63 #define WQ_TYPE_INORDER (0x3 << WQ_TYPE_SHIFT) 64 #define WQ_TARGET_SHIFT 10 65 #define WQ_LEN_SHIFT 16 66 #define WQ_NO_WCFLUSH_WAIT (1 << 27) 67 #define WQ_PRESENT_WORKLOAD (1 << 28) 68 #define WQ_WORKLOAD_SHIFT 29 69 #define WQ_WORKLOAD_GENERAL (0 << WQ_WORKLOAD_SHIFT) 70 #define WQ_WORKLOAD_GPGPU (1 << WQ_WORKLOAD_SHIFT) 71 #define WQ_WORKLOAD_TOUCH (2 << WQ_WORKLOAD_SHIFT) 72 73 #define WQ_RING_TAIL_SHIFT 20 74 #define WQ_RING_TAIL_MAX 0x7FF /* 2^11 QWords */ 75 #define WQ_RING_TAIL_MASK (WQ_RING_TAIL_MAX << WQ_RING_TAIL_SHIFT) 76 77 #define GUC_DOORBELL_ENABLED 1 78 #define GUC_DOORBELL_DISABLED 0 79 80 #define GUC_CTX_DESC_ATTR_ACTIVE (1 << 0) 81 #define GUC_CTX_DESC_ATTR_PENDING_DB (1 << 1) 82 #define GUC_CTX_DESC_ATTR_KERNEL (1 << 2) 83 #define GUC_CTX_DESC_ATTR_PREEMPT (1 << 3) 84 #define GUC_CTX_DESC_ATTR_RESET (1 << 4) 85 #define GUC_CTX_DESC_ATTR_WQLOCKED (1 << 5) 86 #define GUC_CTX_DESC_ATTR_PCH (1 << 6) 87 #define GUC_CTX_DESC_ATTR_TERMINATED (1 << 7) 88 89 /* The guc control data is 10 DWORDs */ 90 #define GUC_CTL_CTXINFO 0 91 #define GUC_CTL_CTXNUM_IN16_SHIFT 0 92 #define GUC_CTL_BASE_ADDR_SHIFT 12 93 94 #define GUC_CTL_ARAT_HIGH 1 95 #define GUC_CTL_ARAT_LOW 2 96 97 #define GUC_CTL_DEVICE_INFO 3 98 #define GUC_CTL_GTTYPE_SHIFT 0 99 #define GUC_CTL_COREFAMILY_SHIFT 7 100 101 #define GUC_CTL_LOG_PARAMS 4 102 #define GUC_LOG_VALID (1 << 0) 103 #define GUC_LOG_NOTIFY_ON_HALF_FULL (1 << 1) 104 #define GUC_LOG_ALLOC_IN_MEGABYTE (1 << 3) 105 #define GUC_LOG_CRASH_PAGES 1 106 #define GUC_LOG_CRASH_SHIFT 4 107 #define GUC_LOG_DPC_PAGES 7 108 #define GUC_LOG_DPC_SHIFT 6 109 #define GUC_LOG_ISR_PAGES 7 110 #define GUC_LOG_ISR_SHIFT 9 111 #define GUC_LOG_BUF_ADDR_SHIFT 12 112 113 #define GUC_CTL_PAGE_FAULT_CONTROL 5 114 115 #define GUC_CTL_WA 6 116 #define GUC_CTL_WA_UK_BY_DRIVER (1 << 3) 117 118 #define GUC_CTL_FEATURE 7 119 #define GUC_CTL_VCS2_ENABLED (1 << 0) 120 #define GUC_CTL_KERNEL_SUBMISSIONS (1 << 1) 121 #define GUC_CTL_FEATURE2 (1 << 2) 122 #define GUC_CTL_POWER_GATING (1 << 3) 123 #define GUC_CTL_DISABLE_SCHEDULER (1 << 4) 124 #define GUC_CTL_PREEMPTION_LOG (1 << 5) 125 #define GUC_CTL_ENABLE_SLPC (1 << 7) 126 #define GUC_CTL_RESET_ON_PREMPT_FAILURE (1 << 8) 127 128 #define GUC_CTL_DEBUG 8 129 #define GUC_LOG_VERBOSITY_SHIFT 0 130 #define GUC_LOG_VERBOSITY_LOW (0 << GUC_LOG_VERBOSITY_SHIFT) 131 #define GUC_LOG_VERBOSITY_MED (1 << GUC_LOG_VERBOSITY_SHIFT) 132 #define GUC_LOG_VERBOSITY_HIGH (2 << GUC_LOG_VERBOSITY_SHIFT) 133 #define GUC_LOG_VERBOSITY_ULTRA (3 << GUC_LOG_VERBOSITY_SHIFT) 134 /* Verbosity range-check limits, without the shift */ 135 #define GUC_LOG_VERBOSITY_MIN 0 136 #define GUC_LOG_VERBOSITY_MAX 3 137 #define GUC_LOG_VERBOSITY_MASK 0x0000000f 138 #define GUC_LOG_DESTINATION_MASK (3 << 4) 139 #define GUC_LOG_DISABLED (1 << 6) 140 #define GUC_PROFILE_ENABLED (1 << 7) 141 #define GUC_WQ_TRACK_ENABLED (1 << 8) 142 #define GUC_ADS_ENABLED (1 << 9) 143 #define GUC_DEBUG_RESERVED (1 << 10) 144 #define GUC_ADS_ADDR_SHIFT 11 145 #define GUC_ADS_ADDR_MASK 0xfffff800 146 147 #define GUC_CTL_RSRVD 9 148 149 #define GUC_CTL_MAX_DWORDS (SOFT_SCRATCH_COUNT - 2) /* [1..14] */ 150 151 /** 152 * DOC: GuC Firmware Layout 153 * 154 * The GuC firmware layout looks like this: 155 * 156 * +-------------------------------+ 157 * | guc_css_header | 158 * | | 159 * | contains major/minor version | 160 * +-------------------------------+ 161 * | uCode | 162 * +-------------------------------+ 163 * | RSA signature | 164 * +-------------------------------+ 165 * | modulus key | 166 * +-------------------------------+ 167 * | exponent val | 168 * +-------------------------------+ 169 * 170 * The firmware may or may not have modulus key and exponent data. The header, 171 * uCode and RSA signature are must-have components that will be used by driver. 172 * Length of each components, which is all in dwords, can be found in header. 173 * In the case that modulus and exponent are not present in fw, a.k.a truncated 174 * image, the length value still appears in header. 175 * 176 * Driver will do some basic fw size validation based on the following rules: 177 * 178 * 1. Header, uCode and RSA are must-have components. 179 * 2. All firmware components, if they present, are in the sequence illustrated 180 * in the layout table above. 181 * 3. Length info of each component can be found in header, in dwords. 182 * 4. Modulus and exponent key are not required by driver. They may not appear 183 * in fw. So driver will load a truncated firmware in this case. 184 */ 185 186 struct guc_css_header { 187 uint32_t module_type; 188 /* header_size includes all non-uCode bits, including css_header, rsa 189 * key, modulus key and exponent data. */ 190 uint32_t header_size_dw; 191 uint32_t header_version; 192 uint32_t module_id; 193 uint32_t module_vendor; 194 union { 195 struct { 196 uint8_t day; 197 uint8_t month; 198 uint16_t year; 199 }; 200 uint32_t date; 201 }; 202 uint32_t size_dw; /* uCode plus header_size_dw */ 203 uint32_t key_size_dw; 204 uint32_t modulus_size_dw; 205 uint32_t exponent_size_dw; 206 union { 207 struct { 208 uint8_t hour; 209 uint8_t min; 210 uint16_t sec; 211 }; 212 uint32_t time; 213 }; 214 215 char username[8]; 216 char buildnumber[12]; 217 uint32_t device_id; 218 uint32_t guc_sw_version; 219 uint32_t prod_preprod_fw; 220 uint32_t reserved[12]; 221 uint32_t header_info; 222 } __packed; 223 224 struct guc_doorbell_info { 225 u32 db_status; 226 u32 cookie; 227 u32 reserved[14]; 228 } __packed; 229 230 union guc_doorbell_qw { 231 struct { 232 u32 db_status; 233 u32 cookie; 234 }; 235 u64 value_qw; 236 } __packed; 237 238 #define GUC_MAX_DOORBELLS 256 239 #define GUC_INVALID_DOORBELL_ID (GUC_MAX_DOORBELLS) 240 241 #define GUC_DB_SIZE (PAGE_SIZE) 242 #define GUC_WQ_SIZE (PAGE_SIZE * 2) 243 244 /* Work item for submitting workloads into work queue of GuC. */ 245 struct guc_wq_item { 246 u32 header; 247 u32 context_desc; 248 u32 ring_tail; 249 u32 fence_id; 250 } __packed; 251 252 struct guc_process_desc { 253 u32 context_id; 254 u64 db_base_addr; 255 u32 head; 256 u32 tail; 257 u32 error_offset; 258 u64 wq_base_addr; 259 u32 wq_size_bytes; 260 u32 wq_status; 261 u32 engine_presence; 262 u32 priority; 263 u32 reserved[30]; 264 } __packed; 265 266 /* engine id and context id is packed into guc_execlist_context.context_id*/ 267 #define GUC_ELC_CTXID_OFFSET 0 268 #define GUC_ELC_ENGINE_OFFSET 29 269 270 /* The execlist context including software and HW information */ 271 struct guc_execlist_context { 272 u32 context_desc; 273 u32 context_id; 274 u32 ring_status; 275 u32 ring_lcra; 276 u32 ring_begin; 277 u32 ring_end; 278 u32 ring_next_free_location; 279 u32 ring_current_tail_pointer_value; 280 u8 engine_state_submit_value; 281 u8 engine_state_wait_value; 282 u16 pagefault_count; 283 u16 engine_submit_queue_count; 284 } __packed; 285 286 /*Context descriptor for communicating between uKernel and Driver*/ 287 struct guc_context_desc { 288 u32 sched_common_area; 289 u32 context_id; 290 u32 pas_id; 291 u8 engines_used; 292 u64 db_trigger_cpu; 293 u32 db_trigger_uk; 294 u64 db_trigger_phy; 295 u16 db_id; 296 297 struct guc_execlist_context lrc[GUC_MAX_ENGINES_NUM]; 298 299 u8 attribute; 300 301 u32 priority; 302 303 u32 wq_sampled_tail_offset; 304 u32 wq_total_submit_enqueues; 305 306 u32 process_desc; 307 u32 wq_addr; 308 u32 wq_size; 309 310 u32 engine_presence; 311 312 u8 engine_suspended; 313 314 u8 reserved0[3]; 315 u64 reserved1[1]; 316 317 u64 desc_private; 318 } __packed; 319 320 #define GUC_FORCEWAKE_RENDER (1 << 0) 321 #define GUC_FORCEWAKE_MEDIA (1 << 1) 322 323 #define GUC_POWER_UNSPECIFIED 0 324 #define GUC_POWER_D0 1 325 #define GUC_POWER_D1 2 326 #define GUC_POWER_D2 3 327 #define GUC_POWER_D3 4 328 329 /* Scheduling policy settings */ 330 331 /* Reset engine upon preempt failure */ 332 #define POLICY_RESET_ENGINE (1<<0) 333 /* Preempt to idle on quantum expiry */ 334 #define POLICY_PREEMPT_TO_IDLE (1<<1) 335 336 #define POLICY_MAX_NUM_WI 15 337 338 struct guc_policy { 339 /* Time for one workload to execute. (in micro seconds) */ 340 u32 execution_quantum; 341 u32 reserved1; 342 343 /* Time to wait for a preemption request to completed before issuing a 344 * reset. (in micro seconds). */ 345 u32 preemption_time; 346 347 /* How much time to allow to run after the first fault is observed. 348 * Then preempt afterwards. (in micro seconds) */ 349 u32 fault_time; 350 351 u32 policy_flags; 352 u32 reserved[2]; 353 } __packed; 354 355 struct guc_policies { 356 struct guc_policy policy[GUC_CTX_PRIORITY_NUM][GUC_MAX_ENGINES_NUM]; 357 358 /* In micro seconds. How much time to allow before DPC processing is 359 * called back via interrupt (to prevent DPC queue drain starving). 360 * Typically 1000s of micro seconds (example only, not granularity). */ 361 u32 dpc_promote_time; 362 363 /* Must be set to take these new values. */ 364 u32 is_valid; 365 366 /* Max number of WIs to process per call. A large value may keep CS 367 * idle. */ 368 u32 max_num_work_items; 369 370 u32 reserved[19]; 371 } __packed; 372 373 /* GuC MMIO reg state struct */ 374 375 #define GUC_REGSET_FLAGS_NONE 0x0 376 #define GUC_REGSET_POWERCYCLE 0x1 377 #define GUC_REGSET_MASKED 0x2 378 #define GUC_REGSET_ENGINERESET 0x4 379 #define GUC_REGSET_SAVE_DEFAULT_VALUE 0x8 380 #define GUC_REGSET_SAVE_CURRENT_VALUE 0x10 381 382 #define GUC_REGSET_MAX_REGISTERS 25 383 #define GUC_MMIO_WHITE_LIST_START 0x24d0 384 #define GUC_MMIO_WHITE_LIST_MAX 12 385 #define GUC_S3_SAVE_SPACE_PAGES 10 386 387 struct guc_mmio_regset { 388 struct __packed { 389 u32 offset; 390 u32 value; 391 u32 flags; 392 } registers[GUC_REGSET_MAX_REGISTERS]; 393 394 u32 values_valid; 395 u32 number_of_registers; 396 } __packed; 397 398 struct guc_mmio_reg_state { 399 struct guc_mmio_regset global_reg; 400 struct guc_mmio_regset engine_reg[GUC_MAX_ENGINES_NUM]; 401 402 /* MMIO registers that are set as non privileged */ 403 struct __packed { 404 u32 mmio_start; 405 u32 offsets[GUC_MMIO_WHITE_LIST_MAX]; 406 u32 count; 407 } mmio_white_list[GUC_MAX_ENGINES_NUM]; 408 } __packed; 409 410 /* GuC Additional Data Struct */ 411 412 struct guc_ads { 413 u32 reg_state_addr; 414 u32 reg_state_buffer; 415 u32 golden_context_lrca; 416 u32 scheduler_policies; 417 u32 reserved0[3]; 418 u32 eng_state_size[GUC_MAX_ENGINES_NUM]; 419 u32 reserved2[4]; 420 } __packed; 421 422 /* GuC logging structures */ 423 424 enum guc_log_buffer_type { 425 GUC_ISR_LOG_BUFFER, 426 GUC_DPC_LOG_BUFFER, 427 GUC_CRASH_DUMP_LOG_BUFFER, 428 GUC_MAX_LOG_BUFFER 429 }; 430 431 /** 432 * DOC: GuC Log buffer Layout 433 * 434 * Page0 +-------------------------------+ 435 * | ISR state header (32 bytes) | 436 * | DPC state header | 437 * | Crash dump state header | 438 * Page1 +-------------------------------+ 439 * | ISR logs | 440 * Page9 +-------------------------------+ 441 * | DPC logs | 442 * Page17 +-------------------------------+ 443 * | Crash Dump logs | 444 * +-------------------------------+ 445 * 446 * Below state structure is used for coordination of retrieval of GuC firmware 447 * logs. Separate state is maintained for each log buffer type. 448 * read_ptr points to the location where i915 read last in log buffer and 449 * is read only for GuC firmware. write_ptr is incremented by GuC with number 450 * of bytes written for each log entry and is read only for i915. 451 * When any type of log buffer becomes half full, GuC sends a flush interrupt. 452 * GuC firmware expects that while it is writing to 2nd half of the buffer, 453 * first half would get consumed by Host and then get a flush completed 454 * acknowledgment from Host, so that it does not end up doing any overwrite 455 * causing loss of logs. So when buffer gets half filled & i915 has requested 456 * for interrupt, GuC will set flush_to_file field, set the sampled_write_ptr 457 * to the value of write_ptr and raise the interrupt. 458 * On receiving the interrupt i915 should read the buffer, clear flush_to_file 459 * field and also update read_ptr with the value of sample_write_ptr, before 460 * sending an acknowledgment to GuC. marker & version fields are for internal 461 * usage of GuC and opaque to i915. buffer_full_cnt field is incremented every 462 * time GuC detects the log buffer overflow. 463 */ 464 struct guc_log_buffer_state { 465 u32 marker[2]; 466 u32 read_ptr; 467 u32 write_ptr; 468 u32 size; 469 u32 sampled_write_ptr; 470 union { 471 struct { 472 u32 flush_to_file:1; 473 u32 buffer_full_cnt:4; 474 u32 reserved:27; 475 }; 476 u32 flags; 477 }; 478 u32 version; 479 } __packed; 480 481 union guc_log_control { 482 struct { 483 u32 logging_enabled:1; 484 u32 reserved1:3; 485 u32 verbosity:4; 486 u32 reserved2:24; 487 }; 488 u32 value; 489 } __packed; 490 491 /* This Action will be programmed in C180 - SOFT_SCRATCH_O_REG */ 492 enum host2guc_action { 493 HOST2GUC_ACTION_DEFAULT = 0x0, 494 HOST2GUC_ACTION_SAMPLE_FORCEWAKE = 0x6, 495 HOST2GUC_ACTION_ALLOCATE_DOORBELL = 0x10, 496 HOST2GUC_ACTION_DEALLOCATE_DOORBELL = 0x20, 497 HOST2GUC_ACTION_LOG_BUFFER_FILE_FLUSH_COMPLETE = 0x30, 498 HOST2GUC_ACTION_FORCE_LOG_BUFFER_FLUSH = 0x302, 499 HOST2GUC_ACTION_ENTER_S_STATE = 0x501, 500 HOST2GUC_ACTION_EXIT_S_STATE = 0x502, 501 HOST2GUC_ACTION_SLPC_REQUEST = 0x3003, 502 HOST2GUC_ACTION_UK_LOG_ENABLE_LOGGING = 0x0E000, 503 HOST2GUC_ACTION_LIMIT 504 }; 505 506 /* 507 * The GuC sends its response to a command by overwriting the 508 * command in SS0. The response is distinguishable from a command 509 * by the fact that all the MASK bits are set. The remaining bits 510 * give more detail. 511 */ 512 #define GUC2HOST_RESPONSE_MASK ((u32)0xF0000000) 513 #define GUC2HOST_IS_RESPONSE(x) ((u32)(x) >= GUC2HOST_RESPONSE_MASK) 514 #define GUC2HOST_STATUS(x) (GUC2HOST_RESPONSE_MASK | (x)) 515 516 /* GUC will return status back to SOFT_SCRATCH_O_REG */ 517 enum guc2host_status { 518 GUC2HOST_STATUS_SUCCESS = GUC2HOST_STATUS(0x0), 519 GUC2HOST_STATUS_ALLOCATE_DOORBELL_FAIL = GUC2HOST_STATUS(0x10), 520 GUC2HOST_STATUS_DEALLOCATE_DOORBELL_FAIL = GUC2HOST_STATUS(0x20), 521 GUC2HOST_STATUS_GENERIC_FAIL = GUC2HOST_STATUS(0x0000F000) 522 }; 523 524 /* This action will be programmed in C1BC - SOFT_SCRATCH_15_REG */ 525 enum guc2host_message { 526 GUC2HOST_MSG_CRASH_DUMP_POSTED = (1 << 1), 527 GUC2HOST_MSG_FLUSH_LOG_BUFFER = (1 << 3) 528 }; 529 530 #endif 531