1 /* 2 * Copyright 2014 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 #include "amdgpu.h" 24 #include "amdgpu_amdkfd.h" 25 #include "gfx_v8_0.h" 26 #include "gca/gfx_8_0_sh_mask.h" 27 #include "gca/gfx_8_0_d.h" 28 #include "gca/gfx_8_0_enum.h" 29 #include "oss/oss_3_0_sh_mask.h" 30 #include "oss/oss_3_0_d.h" 31 #include "gmc/gmc_8_1_sh_mask.h" 32 #include "gmc/gmc_8_1_d.h" 33 #include "vi_structs.h" 34 #include "vid.h" 35 36 enum hqd_dequeue_request_type { 37 NO_ACTION = 0, 38 DRAIN_PIPE, 39 RESET_WAVES 40 }; 41 42 static void lock_srbm(struct amdgpu_device *adev, uint32_t mec, uint32_t pipe, 43 uint32_t queue, uint32_t vmid) 44 { 45 uint32_t value = PIPEID(pipe) | MEID(mec) | VMID(vmid) | QUEUEID(queue); 46 47 mutex_lock(&adev->srbm_mutex); 48 WREG32(mmSRBM_GFX_CNTL, value); 49 } 50 51 static void unlock_srbm(struct amdgpu_device *adev) 52 { 53 WREG32(mmSRBM_GFX_CNTL, 0); 54 mutex_unlock(&adev->srbm_mutex); 55 } 56 57 static void acquire_queue(struct amdgpu_device *adev, uint32_t pipe_id, 58 uint32_t queue_id) 59 { 60 uint32_t mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1; 61 uint32_t pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec); 62 63 lock_srbm(adev, mec, pipe, queue_id, 0); 64 } 65 66 static void release_queue(struct amdgpu_device *adev) 67 { 68 unlock_srbm(adev); 69 } 70 71 static void kgd_program_sh_mem_settings(struct amdgpu_device *adev, uint32_t vmid, 72 uint32_t sh_mem_config, 73 uint32_t sh_mem_ape1_base, 74 uint32_t sh_mem_ape1_limit, 75 uint32_t sh_mem_bases, uint32_t inst) 76 { 77 lock_srbm(adev, 0, 0, 0, vmid); 78 79 WREG32(mmSH_MEM_CONFIG, sh_mem_config); 80 WREG32(mmSH_MEM_APE1_BASE, sh_mem_ape1_base); 81 WREG32(mmSH_MEM_APE1_LIMIT, sh_mem_ape1_limit); 82 WREG32(mmSH_MEM_BASES, sh_mem_bases); 83 84 unlock_srbm(adev); 85 } 86 87 static int kgd_set_pasid_vmid_mapping(struct amdgpu_device *adev, u32 pasid, 88 unsigned int vmid, uint32_t inst) 89 { 90 /* 91 * We have to assume that there is no outstanding mapping. 92 * The ATC_VMID_PASID_MAPPING_UPDATE_STATUS bit could be 0 because 93 * a mapping is in progress or because a mapping finished 94 * and the SW cleared it. 95 * So the protocol is to always wait & clear. 96 */ 97 uint32_t pasid_mapping = (pasid == 0) ? 0 : (uint32_t)pasid | 98 ATC_VMID0_PASID_MAPPING__VALID_MASK; 99 100 WREG32(mmATC_VMID0_PASID_MAPPING + vmid, pasid_mapping); 101 102 while (!(RREG32(mmATC_VMID_PASID_MAPPING_UPDATE_STATUS) & (1U << vmid))) 103 cpu_relax(); 104 WREG32(mmATC_VMID_PASID_MAPPING_UPDATE_STATUS, 1U << vmid); 105 106 /* Mapping vmid to pasid also for IH block */ 107 WREG32(mmIH_VMID_0_LUT + vmid, pasid_mapping); 108 109 return 0; 110 } 111 112 static int kgd_init_interrupts(struct amdgpu_device *adev, uint32_t pipe_id, 113 uint32_t inst) 114 { 115 uint32_t mec; 116 uint32_t pipe; 117 118 mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1; 119 pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec); 120 121 lock_srbm(adev, mec, pipe, 0, 0); 122 123 WREG32(mmCPC_INT_CNTL, CP_INT_CNTL_RING0__TIME_STAMP_INT_ENABLE_MASK | 124 CP_INT_CNTL_RING0__OPCODE_ERROR_INT_ENABLE_MASK); 125 126 unlock_srbm(adev); 127 128 return 0; 129 } 130 131 static inline uint32_t get_sdma_rlc_reg_offset(struct vi_sdma_mqd *m) 132 { 133 uint32_t retval; 134 135 retval = m->sdma_engine_id * SDMA1_REGISTER_OFFSET + 136 m->sdma_queue_id * KFD_VI_SDMA_QUEUE_OFFSET; 137 138 pr_debug("RLC register offset for SDMA%d RLC%d: 0x%x\n", 139 m->sdma_engine_id, m->sdma_queue_id, retval); 140 141 return retval; 142 } 143 144 static inline struct vi_mqd *get_mqd(void *mqd) 145 { 146 return (struct vi_mqd *)mqd; 147 } 148 149 static inline struct vi_sdma_mqd *get_sdma_mqd(void *mqd) 150 { 151 return (struct vi_sdma_mqd *)mqd; 152 } 153 154 static int kgd_hqd_load(struct amdgpu_device *adev, void *mqd, 155 uint32_t pipe_id, uint32_t queue_id, 156 uint32_t __user *wptr, uint32_t wptr_shift, 157 uint32_t wptr_mask, struct mm_struct *mm, uint32_t inst) 158 { 159 struct vi_mqd *m; 160 uint32_t *mqd_hqd; 161 uint32_t reg, wptr_val, data; 162 bool valid_wptr = false; 163 164 m = get_mqd(mqd); 165 166 acquire_queue(adev, pipe_id, queue_id); 167 168 /* HIQ is set during driver init period with vmid set to 0*/ 169 if (m->cp_hqd_vmid == 0) { 170 uint32_t value, mec, pipe; 171 172 mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1; 173 pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec); 174 175 pr_debug("kfd: set HIQ, mec:%d, pipe:%d, queue:%d.\n", 176 mec, pipe, queue_id); 177 value = RREG32(mmRLC_CP_SCHEDULERS); 178 value = REG_SET_FIELD(value, RLC_CP_SCHEDULERS, scheduler1, 179 ((mec << 5) | (pipe << 3) | queue_id | 0x80)); 180 WREG32(mmRLC_CP_SCHEDULERS, value); 181 } 182 183 /* HQD registers extend from CP_MQD_BASE_ADDR to CP_HQD_EOP_WPTR_MEM. */ 184 mqd_hqd = &m->cp_mqd_base_addr_lo; 185 186 for (reg = mmCP_MQD_BASE_ADDR; reg <= mmCP_HQD_EOP_CONTROL; reg++) 187 WREG32(reg, mqd_hqd[reg - mmCP_MQD_BASE_ADDR]); 188 189 /* Tonga errata: EOP RPTR/WPTR should be left unmodified. 190 * This is safe since EOP RPTR==WPTR for any inactive HQD 191 * on ASICs that do not support context-save. 192 * EOP writes/reads can start anywhere in the ring. 193 */ 194 if (adev->asic_type != CHIP_TONGA) { 195 WREG32(mmCP_HQD_EOP_RPTR, m->cp_hqd_eop_rptr); 196 WREG32(mmCP_HQD_EOP_WPTR, m->cp_hqd_eop_wptr); 197 WREG32(mmCP_HQD_EOP_WPTR_MEM, m->cp_hqd_eop_wptr_mem); 198 } 199 200 for (reg = mmCP_HQD_EOP_EVENTS; reg <= mmCP_HQD_ERROR; reg++) 201 WREG32(reg, mqd_hqd[reg - mmCP_MQD_BASE_ADDR]); 202 203 /* Copy userspace write pointer value to register. 204 * Activate doorbell logic to monitor subsequent changes. 205 */ 206 data = REG_SET_FIELD(m->cp_hqd_pq_doorbell_control, 207 CP_HQD_PQ_DOORBELL_CONTROL, DOORBELL_EN, 1); 208 WREG32(mmCP_HQD_PQ_DOORBELL_CONTROL, data); 209 210 /* read_user_ptr may take the mm->mmap_lock. 211 * release srbm_mutex to avoid circular dependency between 212 * srbm_mutex->mmap_lock->reservation_ww_class_mutex->srbm_mutex. 213 */ 214 release_queue(adev); 215 valid_wptr = read_user_wptr(mm, wptr, wptr_val); 216 acquire_queue(adev, pipe_id, queue_id); 217 if (valid_wptr) 218 WREG32(mmCP_HQD_PQ_WPTR, (wptr_val << wptr_shift) & wptr_mask); 219 220 data = REG_SET_FIELD(m->cp_hqd_active, CP_HQD_ACTIVE, ACTIVE, 1); 221 WREG32(mmCP_HQD_ACTIVE, data); 222 223 release_queue(adev); 224 225 return 0; 226 } 227 228 static int kgd_hqd_dump(struct amdgpu_device *adev, 229 uint32_t pipe_id, uint32_t queue_id, 230 uint32_t (**dump)[2], uint32_t *n_regs, uint32_t inst) 231 { 232 uint32_t i = 0, reg; 233 #define HQD_N_REGS (54+4) 234 #define DUMP_REG(addr) do { \ 235 if (WARN_ON_ONCE(i >= HQD_N_REGS)) \ 236 break; \ 237 (*dump)[i][0] = (addr) << 2; \ 238 (*dump)[i++][1] = RREG32(addr); \ 239 } while (0) 240 241 *dump = kmalloc_array(HQD_N_REGS * 2, sizeof(uint32_t), GFP_KERNEL); 242 if (*dump == NULL) 243 return -ENOMEM; 244 245 acquire_queue(adev, pipe_id, queue_id); 246 247 DUMP_REG(mmCOMPUTE_STATIC_THREAD_MGMT_SE0); 248 DUMP_REG(mmCOMPUTE_STATIC_THREAD_MGMT_SE1); 249 DUMP_REG(mmCOMPUTE_STATIC_THREAD_MGMT_SE2); 250 DUMP_REG(mmCOMPUTE_STATIC_THREAD_MGMT_SE3); 251 252 for (reg = mmCP_MQD_BASE_ADDR; reg <= mmCP_HQD_EOP_DONES; reg++) 253 DUMP_REG(reg); 254 255 release_queue(adev); 256 257 WARN_ON_ONCE(i != HQD_N_REGS); 258 *n_regs = i; 259 260 return 0; 261 } 262 263 static int kgd_hqd_sdma_load(struct amdgpu_device *adev, void *mqd, 264 uint32_t __user *wptr, struct mm_struct *mm) 265 { 266 struct vi_sdma_mqd *m; 267 unsigned long end_jiffies; 268 uint32_t sdma_rlc_reg_offset; 269 uint32_t data; 270 271 m = get_sdma_mqd(mqd); 272 sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(m); 273 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, 274 m->sdmax_rlcx_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK)); 275 276 end_jiffies = msecs_to_jiffies(2000) + jiffies; 277 while (true) { 278 data = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS); 279 if (data & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK) 280 break; 281 if (time_after(jiffies, end_jiffies)) { 282 pr_err("SDMA RLC not idle in %s\n", __func__); 283 return -ETIME; 284 } 285 usleep_range(500, 1000); 286 } 287 288 data = REG_SET_FIELD(m->sdmax_rlcx_doorbell, SDMA0_RLC0_DOORBELL, 289 ENABLE, 1); 290 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, data); 291 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR, 292 m->sdmax_rlcx_rb_rptr); 293 294 if (read_user_wptr(mm, wptr, data)) 295 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR, data); 296 else 297 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR, 298 m->sdmax_rlcx_rb_rptr); 299 300 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_VIRTUAL_ADDR, 301 m->sdmax_rlcx_virtual_addr); 302 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_BASE, m->sdmax_rlcx_rb_base); 303 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_BASE_HI, 304 m->sdmax_rlcx_rb_base_hi); 305 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_LO, 306 m->sdmax_rlcx_rb_rptr_addr_lo); 307 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_HI, 308 m->sdmax_rlcx_rb_rptr_addr_hi); 309 310 data = REG_SET_FIELD(m->sdmax_rlcx_rb_cntl, SDMA0_RLC0_RB_CNTL, 311 RB_ENABLE, 1); 312 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, data); 313 314 return 0; 315 } 316 317 static int kgd_hqd_sdma_dump(struct amdgpu_device *adev, 318 uint32_t engine_id, uint32_t queue_id, 319 uint32_t (**dump)[2], uint32_t *n_regs) 320 { 321 uint32_t sdma_offset = engine_id * SDMA1_REGISTER_OFFSET + 322 queue_id * KFD_VI_SDMA_QUEUE_OFFSET; 323 uint32_t i = 0, reg; 324 #undef HQD_N_REGS 325 #define HQD_N_REGS (19+4+2+3+7) 326 327 *dump = kmalloc_array(HQD_N_REGS * 2, sizeof(uint32_t), GFP_KERNEL); 328 if (*dump == NULL) 329 return -ENOMEM; 330 331 for (reg = mmSDMA0_RLC0_RB_CNTL; reg <= mmSDMA0_RLC0_DOORBELL; reg++) 332 DUMP_REG(sdma_offset + reg); 333 for (reg = mmSDMA0_RLC0_VIRTUAL_ADDR; reg <= mmSDMA0_RLC0_WATERMARK; 334 reg++) 335 DUMP_REG(sdma_offset + reg); 336 for (reg = mmSDMA0_RLC0_CSA_ADDR_LO; reg <= mmSDMA0_RLC0_CSA_ADDR_HI; 337 reg++) 338 DUMP_REG(sdma_offset + reg); 339 for (reg = mmSDMA0_RLC0_IB_SUB_REMAIN; reg <= mmSDMA0_RLC0_DUMMY_REG; 340 reg++) 341 DUMP_REG(sdma_offset + reg); 342 for (reg = mmSDMA0_RLC0_MIDCMD_DATA0; reg <= mmSDMA0_RLC0_MIDCMD_CNTL; 343 reg++) 344 DUMP_REG(sdma_offset + reg); 345 346 WARN_ON_ONCE(i != HQD_N_REGS); 347 *n_regs = i; 348 349 return 0; 350 } 351 352 static bool kgd_hqd_is_occupied(struct amdgpu_device *adev, 353 uint64_t queue_address, uint32_t pipe_id, 354 uint32_t queue_id, uint32_t inst) 355 { 356 uint32_t act; 357 bool retval = false; 358 uint32_t low, high; 359 360 acquire_queue(adev, pipe_id, queue_id); 361 act = RREG32(mmCP_HQD_ACTIVE); 362 if (act) { 363 low = lower_32_bits(queue_address >> 8); 364 high = upper_32_bits(queue_address >> 8); 365 366 if (low == RREG32(mmCP_HQD_PQ_BASE) && 367 high == RREG32(mmCP_HQD_PQ_BASE_HI)) 368 retval = true; 369 } 370 release_queue(adev); 371 return retval; 372 } 373 374 static bool kgd_hqd_sdma_is_occupied(struct amdgpu_device *adev, void *mqd) 375 { 376 struct vi_sdma_mqd *m; 377 uint32_t sdma_rlc_reg_offset; 378 uint32_t sdma_rlc_rb_cntl; 379 380 m = get_sdma_mqd(mqd); 381 sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(m); 382 383 sdma_rlc_rb_cntl = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL); 384 385 if (sdma_rlc_rb_cntl & SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK) 386 return true; 387 388 return false; 389 } 390 391 static int kgd_hqd_destroy(struct amdgpu_device *adev, void *mqd, 392 enum kfd_preempt_type reset_type, 393 unsigned int utimeout, uint32_t pipe_id, 394 uint32_t queue_id, uint32_t inst) 395 { 396 uint32_t temp; 397 enum hqd_dequeue_request_type type; 398 unsigned long flags, end_jiffies; 399 int retry; 400 struct vi_mqd *m = get_mqd(mqd); 401 402 if (amdgpu_in_reset(adev)) 403 return -EIO; 404 405 acquire_queue(adev, pipe_id, queue_id); 406 407 if (m->cp_hqd_vmid == 0) 408 WREG32_FIELD(RLC_CP_SCHEDULERS, scheduler1, 0); 409 410 switch (reset_type) { 411 case KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN: 412 type = DRAIN_PIPE; 413 break; 414 case KFD_PREEMPT_TYPE_WAVEFRONT_RESET: 415 type = RESET_WAVES; 416 break; 417 default: 418 type = DRAIN_PIPE; 419 break; 420 } 421 422 /* Workaround: If IQ timer is active and the wait time is close to or 423 * equal to 0, dequeueing is not safe. Wait until either the wait time 424 * is larger or timer is cleared. Also, ensure that IQ_REQ_PEND is 425 * cleared before continuing. Also, ensure wait times are set to at 426 * least 0x3. 427 */ 428 local_irq_save(flags); 429 preempt_disable(); 430 retry = 5000; /* wait for 500 usecs at maximum */ 431 while (true) { 432 temp = RREG32(mmCP_HQD_IQ_TIMER); 433 if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, PROCESSING_IQ)) { 434 pr_debug("HW is processing IQ\n"); 435 goto loop; 436 } 437 if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, ACTIVE)) { 438 if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, RETRY_TYPE) 439 == 3) /* SEM-rearm is safe */ 440 break; 441 /* Wait time 3 is safe for CP, but our MMIO read/write 442 * time is close to 1 microsecond, so check for 10 to 443 * leave more buffer room 444 */ 445 if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, WAIT_TIME) 446 >= 10) 447 break; 448 pr_debug("IQ timer is active\n"); 449 } else 450 break; 451 loop: 452 if (!retry) { 453 pr_err("CP HQD IQ timer status time out\n"); 454 break; 455 } 456 ndelay(100); 457 --retry; 458 } 459 retry = 1000; 460 while (true) { 461 temp = RREG32(mmCP_HQD_DEQUEUE_REQUEST); 462 if (!(temp & CP_HQD_DEQUEUE_REQUEST__IQ_REQ_PEND_MASK)) 463 break; 464 pr_debug("Dequeue request is pending\n"); 465 466 if (!retry) { 467 pr_err("CP HQD dequeue request time out\n"); 468 break; 469 } 470 ndelay(100); 471 --retry; 472 } 473 local_irq_restore(flags); 474 preempt_enable(); 475 476 WREG32(mmCP_HQD_DEQUEUE_REQUEST, type); 477 478 end_jiffies = (utimeout * HZ / 1000) + jiffies; 479 while (true) { 480 temp = RREG32(mmCP_HQD_ACTIVE); 481 if (!(temp & CP_HQD_ACTIVE__ACTIVE_MASK)) 482 break; 483 if (time_after(jiffies, end_jiffies)) { 484 pr_err("cp queue preemption time out.\n"); 485 release_queue(adev); 486 return -ETIME; 487 } 488 usleep_range(500, 1000); 489 } 490 491 release_queue(adev); 492 return 0; 493 } 494 495 static int kgd_hqd_sdma_destroy(struct amdgpu_device *adev, void *mqd, 496 unsigned int utimeout) 497 { 498 struct vi_sdma_mqd *m; 499 uint32_t sdma_rlc_reg_offset; 500 uint32_t temp; 501 unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies; 502 503 m = get_sdma_mqd(mqd); 504 sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(m); 505 506 temp = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL); 507 temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK; 508 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, temp); 509 510 while (true) { 511 temp = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS); 512 if (temp & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK) 513 break; 514 if (time_after(jiffies, end_jiffies)) { 515 pr_err("SDMA RLC not idle in %s\n", __func__); 516 return -ETIME; 517 } 518 usleep_range(500, 1000); 519 } 520 521 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, 0); 522 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, 523 RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL) | 524 SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK); 525 526 m->sdmax_rlcx_rb_rptr = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR); 527 528 return 0; 529 } 530 531 static bool get_atc_vmid_pasid_mapping_info(struct amdgpu_device *adev, 532 uint8_t vmid, uint16_t *p_pasid) 533 { 534 uint32_t value; 535 536 value = RREG32(mmATC_VMID0_PASID_MAPPING + vmid); 537 *p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK; 538 539 return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK); 540 } 541 542 static int kgd_wave_control_execute(struct amdgpu_device *adev, 543 uint32_t gfx_index_val, 544 uint32_t sq_cmd, uint32_t inst) 545 { 546 uint32_t data = 0; 547 548 mutex_lock(&adev->grbm_idx_mutex); 549 550 WREG32(mmGRBM_GFX_INDEX, gfx_index_val); 551 WREG32(mmSQ_CMD, sq_cmd); 552 553 data = REG_SET_FIELD(data, GRBM_GFX_INDEX, 554 INSTANCE_BROADCAST_WRITES, 1); 555 data = REG_SET_FIELD(data, GRBM_GFX_INDEX, 556 SH_BROADCAST_WRITES, 1); 557 data = REG_SET_FIELD(data, GRBM_GFX_INDEX, 558 SE_BROADCAST_WRITES, 1); 559 560 WREG32(mmGRBM_GFX_INDEX, data); 561 mutex_unlock(&adev->grbm_idx_mutex); 562 563 return 0; 564 } 565 566 static void set_scratch_backing_va(struct amdgpu_device *adev, 567 uint64_t va, uint32_t vmid) 568 { 569 lock_srbm(adev, 0, 0, 0, vmid); 570 WREG32(mmSH_HIDDEN_PRIVATE_BASE_VMID, va); 571 unlock_srbm(adev); 572 } 573 574 static void set_vm_context_page_table_base(struct amdgpu_device *adev, 575 uint32_t vmid, uint64_t page_table_base) 576 { 577 if (!amdgpu_amdkfd_is_kfd_vmid(adev, vmid)) { 578 pr_err("trying to set page table base for wrong VMID\n"); 579 return; 580 } 581 WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vmid - 8, 582 lower_32_bits(page_table_base)); 583 } 584 585 const struct kfd2kgd_calls gfx_v8_kfd2kgd = { 586 .program_sh_mem_settings = kgd_program_sh_mem_settings, 587 .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping, 588 .init_interrupts = kgd_init_interrupts, 589 .hqd_load = kgd_hqd_load, 590 .hqd_sdma_load = kgd_hqd_sdma_load, 591 .hqd_dump = kgd_hqd_dump, 592 .hqd_sdma_dump = kgd_hqd_sdma_dump, 593 .hqd_is_occupied = kgd_hqd_is_occupied, 594 .hqd_sdma_is_occupied = kgd_hqd_sdma_is_occupied, 595 .hqd_destroy = kgd_hqd_destroy, 596 .hqd_sdma_destroy = kgd_hqd_sdma_destroy, 597 .wave_control_execute = kgd_wave_control_execute, 598 .get_atc_vmid_pasid_mapping_info = 599 get_atc_vmid_pasid_mapping_info, 600 .set_scratch_backing_va = set_scratch_backing_va, 601 .set_vm_context_page_table_base = set_vm_context_page_table_base, 602 }; 603