1 /* 2 * Copyright 2019 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 #include <linux/mmu_context.h> 23 #include "amdgpu.h" 24 #include "amdgpu_amdkfd.h" 25 #include "amdgpu_amdkfd_gfx_v10.h" 26 #include "gc/gc_10_3_0_offset.h" 27 #include "gc/gc_10_3_0_sh_mask.h" 28 #include "oss/osssys_5_0_0_offset.h" 29 #include "oss/osssys_5_0_0_sh_mask.h" 30 #include "athub/athub_2_1_0_offset.h" 31 #include "athub/athub_2_1_0_sh_mask.h" 32 #include "soc15_common.h" 33 #include "v10_structs.h" 34 #include "nv.h" 35 #include "nvd.h" 36 37 enum hqd_dequeue_request_type { 38 NO_ACTION = 0, 39 DRAIN_PIPE, 40 RESET_WAVES, 41 SAVE_WAVES 42 }; 43 44 static void lock_srbm(struct amdgpu_device *adev, uint32_t mec, uint32_t pipe, 45 uint32_t queue, uint32_t vmid) 46 { 47 mutex_lock(&adev->srbm_mutex); 48 nv_grbm_select(adev, mec, pipe, queue, vmid); 49 } 50 51 static void unlock_srbm(struct amdgpu_device *adev) 52 { 53 nv_grbm_select(adev, 0, 0, 0, 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 uint64_t get_queue_mask(struct amdgpu_device *adev, 67 uint32_t pipe_id, uint32_t queue_id) 68 { 69 unsigned int bit = pipe_id * adev->gfx.mec.num_queue_per_pipe + 70 queue_id; 71 72 return 1ull << bit; 73 } 74 75 static void release_queue(struct amdgpu_device *adev) 76 { 77 unlock_srbm(adev); 78 } 79 80 static void program_sh_mem_settings_v10_3(struct amdgpu_device *adev, uint32_t vmid, 81 uint32_t sh_mem_config, 82 uint32_t sh_mem_ape1_base, 83 uint32_t sh_mem_ape1_limit, 84 uint32_t sh_mem_bases, uint32_t inst) 85 { 86 lock_srbm(adev, 0, 0, 0, vmid); 87 88 WREG32_SOC15(GC, 0, mmSH_MEM_CONFIG, sh_mem_config); 89 WREG32_SOC15(GC, 0, mmSH_MEM_BASES, sh_mem_bases); 90 /* APE1 no longer exists on GFX9 */ 91 92 unlock_srbm(adev); 93 } 94 95 /* ATC is defeatured on Sienna_Cichlid */ 96 static int set_pasid_vmid_mapping_v10_3(struct amdgpu_device *adev, unsigned int pasid, 97 unsigned int vmid, uint32_t inst) 98 { 99 uint32_t value = pasid << IH_VMID_0_LUT__PASID__SHIFT; 100 101 /* Mapping vmid to pasid also for IH block */ 102 pr_debug("mapping vmid %d -> pasid %d in IH block for GFX client\n", 103 vmid, pasid); 104 WREG32(SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid, value); 105 106 return 0; 107 } 108 109 static int init_interrupts_v10_3(struct amdgpu_device *adev, uint32_t pipe_id, 110 uint32_t inst) 111 { 112 uint32_t mec; 113 uint32_t pipe; 114 115 mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1; 116 pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec); 117 118 lock_srbm(adev, mec, pipe, 0, 0); 119 120 WREG32_SOC15(GC, 0, mmCPC_INT_CNTL, 121 CP_INT_CNTL_RING0__TIME_STAMP_INT_ENABLE_MASK | 122 CP_INT_CNTL_RING0__OPCODE_ERROR_INT_ENABLE_MASK); 123 124 unlock_srbm(adev); 125 126 return 0; 127 } 128 129 static uint32_t get_sdma_rlc_reg_offset(struct amdgpu_device *adev, 130 unsigned int engine_id, 131 unsigned int queue_id) 132 { 133 uint32_t sdma_engine_reg_base = 0; 134 uint32_t sdma_rlc_reg_offset; 135 136 switch (engine_id) { 137 default: 138 dev_warn(adev->dev, 139 "Invalid sdma engine id (%d), using engine id 0\n", 140 engine_id); 141 fallthrough; 142 case 0: 143 sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA0, 0, 144 mmSDMA0_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL; 145 break; 146 case 1: 147 sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA0, 0, 148 mmSDMA1_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL; 149 break; 150 case 2: 151 sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA0, 0, 152 mmSDMA2_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL; 153 break; 154 case 3: 155 sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA0, 0, 156 mmSDMA3_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL; 157 break; 158 } 159 160 sdma_rlc_reg_offset = sdma_engine_reg_base 161 + queue_id * (mmSDMA0_RLC1_RB_CNTL - mmSDMA0_RLC0_RB_CNTL); 162 163 pr_debug("RLC register offset for SDMA%d RLC%d: 0x%x\n", engine_id, 164 queue_id, sdma_rlc_reg_offset); 165 166 return sdma_rlc_reg_offset; 167 } 168 169 static inline struct v10_compute_mqd *get_mqd(void *mqd) 170 { 171 return (struct v10_compute_mqd *)mqd; 172 } 173 174 static inline struct v10_sdma_mqd *get_sdma_mqd(void *mqd) 175 { 176 return (struct v10_sdma_mqd *)mqd; 177 } 178 179 static int hqd_load_v10_3(struct amdgpu_device *adev, void *mqd, 180 uint32_t pipe_id, uint32_t queue_id, 181 uint32_t __user *wptr, uint32_t wptr_shift, 182 uint32_t wptr_mask, struct mm_struct *mm, uint32_t inst) 183 { 184 struct v10_compute_mqd *m; 185 uint32_t *mqd_hqd; 186 uint32_t reg, hqd_base, data; 187 188 m = get_mqd(mqd); 189 190 pr_debug("Load hqd of pipe %d queue %d\n", pipe_id, queue_id); 191 acquire_queue(adev, pipe_id, queue_id); 192 193 /* HIQ is set during driver init period with vmid set to 0*/ 194 if (m->cp_hqd_vmid == 0) { 195 uint32_t value, mec, pipe; 196 197 mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1; 198 pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec); 199 200 pr_debug("kfd: set HIQ, mec:%d, pipe:%d, queue:%d.\n", 201 mec, pipe, queue_id); 202 value = RREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS); 203 value = REG_SET_FIELD(value, RLC_CP_SCHEDULERS, scheduler1, 204 ((mec << 5) | (pipe << 3) | queue_id | 0x80)); 205 WREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS, value); 206 } 207 208 /* HQD registers extend from CP_MQD_BASE_ADDR to CP_HQD_EOP_WPTR_MEM. */ 209 mqd_hqd = &m->cp_mqd_base_addr_lo; 210 hqd_base = SOC15_REG_OFFSET(GC, 0, mmCP_MQD_BASE_ADDR); 211 212 for (reg = hqd_base; 213 reg <= SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_HI); reg++) 214 WREG32_SOC15_IP(GC, reg, mqd_hqd[reg - hqd_base]); 215 216 217 /* Activate doorbell logic before triggering WPTR poll. */ 218 data = REG_SET_FIELD(m->cp_hqd_pq_doorbell_control, 219 CP_HQD_PQ_DOORBELL_CONTROL, DOORBELL_EN, 1); 220 WREG32_SOC15(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL, data); 221 222 if (wptr) { 223 /* Don't read wptr with get_user because the user 224 * context may not be accessible (if this function 225 * runs in a work queue). Instead trigger a one-shot 226 * polling read from memory in the CP. This assumes 227 * that wptr is GPU-accessible in the queue's VMID via 228 * ATC or SVM. WPTR==RPTR before starting the poll so 229 * the CP starts fetching new commands from the right 230 * place. 231 * 232 * Guessing a 64-bit WPTR from a 32-bit RPTR is a bit 233 * tricky. Assume that the queue didn't overflow. The 234 * number of valid bits in the 32-bit RPTR depends on 235 * the queue size. The remaining bits are taken from 236 * the saved 64-bit WPTR. If the WPTR wrapped, add the 237 * queue size. 238 */ 239 uint32_t queue_size = 240 2 << REG_GET_FIELD(m->cp_hqd_pq_control, 241 CP_HQD_PQ_CONTROL, QUEUE_SIZE); 242 uint64_t guessed_wptr = m->cp_hqd_pq_rptr & (queue_size - 1); 243 244 if ((m->cp_hqd_pq_wptr_lo & (queue_size - 1)) < guessed_wptr) 245 guessed_wptr += queue_size; 246 guessed_wptr += m->cp_hqd_pq_wptr_lo & ~(queue_size - 1); 247 guessed_wptr += (uint64_t)m->cp_hqd_pq_wptr_hi << 32; 248 249 WREG32_SOC15(GC, 0, mmCP_HQD_PQ_WPTR_LO, 250 lower_32_bits(guessed_wptr)); 251 WREG32_SOC15(GC, 0, mmCP_HQD_PQ_WPTR_HI, 252 upper_32_bits(guessed_wptr)); 253 WREG32_SOC15(GC, 0, mmCP_HQD_PQ_WPTR_POLL_ADDR, 254 lower_32_bits((uint64_t)wptr)); 255 WREG32_SOC15(GC, 0, mmCP_HQD_PQ_WPTR_POLL_ADDR_HI, 256 upper_32_bits((uint64_t)wptr)); 257 pr_debug("%s setting CP_PQ_WPTR_POLL_CNTL1 to %x\n", __func__, 258 (uint32_t)get_queue_mask(adev, pipe_id, queue_id)); 259 WREG32_SOC15(GC, 0, mmCP_PQ_WPTR_POLL_CNTL1, 260 (uint32_t)get_queue_mask(adev, pipe_id, queue_id)); 261 } 262 263 /* Start the EOP fetcher */ 264 WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_EOP_RPTR), 265 REG_SET_FIELD(m->cp_hqd_eop_rptr, 266 CP_HQD_EOP_RPTR, INIT_FETCHER, 1)); 267 268 data = REG_SET_FIELD(m->cp_hqd_active, CP_HQD_ACTIVE, ACTIVE, 1); 269 WREG32_SOC15(GC, 0, mmCP_HQD_ACTIVE, data); 270 271 release_queue(adev); 272 273 return 0; 274 } 275 276 static int hiq_mqd_load_v10_3(struct amdgpu_device *adev, void *mqd, 277 uint32_t pipe_id, uint32_t queue_id, 278 uint32_t doorbell_off, uint32_t inst) 279 { 280 struct amdgpu_ring *kiq_ring = &adev->gfx.kiq[0].ring; 281 struct v10_compute_mqd *m; 282 uint32_t mec, pipe; 283 int r; 284 285 m = get_mqd(mqd); 286 287 acquire_queue(adev, pipe_id, queue_id); 288 289 mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1; 290 pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec); 291 292 pr_debug("kfd: set HIQ, mec:%d, pipe:%d, queue:%d.\n", 293 mec, pipe, queue_id); 294 295 spin_lock(&adev->gfx.kiq[0].ring_lock); 296 r = amdgpu_ring_alloc(kiq_ring, 7); 297 if (r) { 298 pr_err("Failed to alloc KIQ (%d).\n", r); 299 goto out_unlock; 300 } 301 302 amdgpu_ring_write(kiq_ring, PACKET3(PACKET3_MAP_QUEUES, 5)); 303 amdgpu_ring_write(kiq_ring, 304 PACKET3_MAP_QUEUES_QUEUE_SEL(0) | /* Queue_Sel */ 305 PACKET3_MAP_QUEUES_VMID(m->cp_hqd_vmid) | /* VMID */ 306 PACKET3_MAP_QUEUES_QUEUE(queue_id) | 307 PACKET3_MAP_QUEUES_PIPE(pipe) | 308 PACKET3_MAP_QUEUES_ME((mec - 1)) | 309 PACKET3_MAP_QUEUES_QUEUE_TYPE(0) | /*queue_type: normal compute queue */ 310 PACKET3_MAP_QUEUES_ALLOC_FORMAT(0) | /* alloc format: all_on_one_pipe */ 311 PACKET3_MAP_QUEUES_ENGINE_SEL(1) | /* engine_sel: hiq */ 312 PACKET3_MAP_QUEUES_NUM_QUEUES(1)); /* num_queues: must be 1 */ 313 amdgpu_ring_write(kiq_ring, 314 PACKET3_MAP_QUEUES_DOORBELL_OFFSET(doorbell_off)); 315 amdgpu_ring_write(kiq_ring, m->cp_mqd_base_addr_lo); 316 amdgpu_ring_write(kiq_ring, m->cp_mqd_base_addr_hi); 317 amdgpu_ring_write(kiq_ring, m->cp_hqd_pq_wptr_poll_addr_lo); 318 amdgpu_ring_write(kiq_ring, m->cp_hqd_pq_wptr_poll_addr_hi); 319 amdgpu_ring_commit(kiq_ring); 320 321 out_unlock: 322 spin_unlock(&adev->gfx.kiq[0].ring_lock); 323 release_queue(adev); 324 325 return r; 326 } 327 328 static int hqd_dump_v10_3(struct amdgpu_device *adev, 329 uint32_t pipe_id, uint32_t queue_id, 330 uint32_t (**dump)[2], uint32_t *n_regs, uint32_t inst) 331 { 332 uint32_t i = 0, reg; 333 #define HQD_N_REGS 56 334 #define DUMP_REG(addr) do { \ 335 if (WARN_ON_ONCE(i >= HQD_N_REGS)) \ 336 break; \ 337 (*dump)[i][0] = (addr) << 2; \ 338 (*dump)[i++][1] = RREG32_SOC15_IP(GC, addr); \ 339 } while (0) 340 341 *dump = kmalloc(HQD_N_REGS*2*sizeof(uint32_t), GFP_KERNEL); 342 if (*dump == NULL) 343 return -ENOMEM; 344 345 acquire_queue(adev, pipe_id, queue_id); 346 347 for (reg = SOC15_REG_OFFSET(GC, 0, mmCP_MQD_BASE_ADDR); 348 reg <= SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_HI); reg++) 349 DUMP_REG(reg); 350 351 release_queue(adev); 352 353 WARN_ON_ONCE(i != HQD_N_REGS); 354 *n_regs = i; 355 356 return 0; 357 } 358 359 static int hqd_sdma_load_v10_3(struct amdgpu_device *adev, void *mqd, 360 uint32_t __user *wptr, struct mm_struct *mm) 361 { 362 struct v10_sdma_mqd *m; 363 uint32_t sdma_rlc_reg_offset; 364 unsigned long end_jiffies; 365 uint32_t data; 366 uint64_t data64; 367 uint64_t __user *wptr64 = (uint64_t __user *)wptr; 368 369 m = get_sdma_mqd(mqd); 370 sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev, m->sdma_engine_id, 371 m->sdma_queue_id); 372 373 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, 374 m->sdmax_rlcx_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK)); 375 376 end_jiffies = msecs_to_jiffies(2000) + jiffies; 377 while (true) { 378 data = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS); 379 if (data & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK) 380 break; 381 if (time_after(jiffies, end_jiffies)) { 382 pr_err("SDMA RLC not idle in %s\n", __func__); 383 return -ETIME; 384 } 385 usleep_range(500, 1000); 386 } 387 388 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL_OFFSET, 389 m->sdmax_rlcx_doorbell_offset); 390 391 data = REG_SET_FIELD(m->sdmax_rlcx_doorbell, SDMA0_RLC0_DOORBELL, 392 ENABLE, 1); 393 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, data); 394 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR, 395 m->sdmax_rlcx_rb_rptr); 396 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_HI, 397 m->sdmax_rlcx_rb_rptr_hi); 398 399 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 1); 400 if (read_user_wptr(mm, wptr64, data64)) { 401 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR, 402 lower_32_bits(data64)); 403 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR_HI, 404 upper_32_bits(data64)); 405 } else { 406 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR, 407 m->sdmax_rlcx_rb_rptr); 408 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR_HI, 409 m->sdmax_rlcx_rb_rptr_hi); 410 } 411 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 0); 412 413 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_BASE, m->sdmax_rlcx_rb_base); 414 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_BASE_HI, 415 m->sdmax_rlcx_rb_base_hi); 416 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_LO, 417 m->sdmax_rlcx_rb_rptr_addr_lo); 418 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_HI, 419 m->sdmax_rlcx_rb_rptr_addr_hi); 420 421 data = REG_SET_FIELD(m->sdmax_rlcx_rb_cntl, SDMA0_RLC0_RB_CNTL, 422 RB_ENABLE, 1); 423 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, data); 424 425 return 0; 426 } 427 428 static int hqd_sdma_dump_v10_3(struct amdgpu_device *adev, 429 uint32_t engine_id, uint32_t queue_id, 430 uint32_t (**dump)[2], uint32_t *n_regs) 431 { 432 uint32_t sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev, 433 engine_id, queue_id); 434 uint32_t i = 0, reg; 435 #undef HQD_N_REGS 436 #define HQD_N_REGS (19+6+7+12) 437 438 *dump = kmalloc(HQD_N_REGS*2*sizeof(uint32_t), GFP_KERNEL); 439 if (*dump == NULL) 440 return -ENOMEM; 441 442 for (reg = mmSDMA0_RLC0_RB_CNTL; reg <= mmSDMA0_RLC0_DOORBELL; reg++) 443 DUMP_REG(sdma_rlc_reg_offset + reg); 444 for (reg = mmSDMA0_RLC0_STATUS; reg <= mmSDMA0_RLC0_CSA_ADDR_HI; reg++) 445 DUMP_REG(sdma_rlc_reg_offset + reg); 446 for (reg = mmSDMA0_RLC0_IB_SUB_REMAIN; 447 reg <= mmSDMA0_RLC0_MINOR_PTR_UPDATE; reg++) 448 DUMP_REG(sdma_rlc_reg_offset + reg); 449 for (reg = mmSDMA0_RLC0_MIDCMD_DATA0; 450 reg <= mmSDMA0_RLC0_MIDCMD_CNTL; reg++) 451 DUMP_REG(sdma_rlc_reg_offset + reg); 452 453 WARN_ON_ONCE(i != HQD_N_REGS); 454 *n_regs = i; 455 456 return 0; 457 } 458 459 static bool hqd_is_occupied_v10_3(struct amdgpu_device *adev, 460 uint64_t queue_address, uint32_t pipe_id, 461 uint32_t queue_id, uint32_t inst) 462 { 463 uint32_t act; 464 bool retval = false; 465 uint32_t low, high; 466 467 acquire_queue(adev, pipe_id, queue_id); 468 act = RREG32_SOC15(GC, 0, mmCP_HQD_ACTIVE); 469 if (act) { 470 low = lower_32_bits(queue_address >> 8); 471 high = upper_32_bits(queue_address >> 8); 472 473 if (low == RREG32_SOC15(GC, 0, mmCP_HQD_PQ_BASE) && 474 high == RREG32_SOC15(GC, 0, mmCP_HQD_PQ_BASE_HI)) 475 retval = true; 476 } 477 release_queue(adev); 478 return retval; 479 } 480 481 static bool hqd_sdma_is_occupied_v10_3(struct amdgpu_device *adev, 482 void *mqd) 483 { 484 struct v10_sdma_mqd *m; 485 uint32_t sdma_rlc_reg_offset; 486 uint32_t sdma_rlc_rb_cntl; 487 488 m = get_sdma_mqd(mqd); 489 sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev, m->sdma_engine_id, 490 m->sdma_queue_id); 491 492 sdma_rlc_rb_cntl = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL); 493 494 if (sdma_rlc_rb_cntl & SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK) 495 return true; 496 497 return false; 498 } 499 500 static int hqd_destroy_v10_3(struct amdgpu_device *adev, void *mqd, 501 enum kfd_preempt_type reset_type, 502 unsigned int utimeout, uint32_t pipe_id, 503 uint32_t queue_id, uint32_t inst) 504 { 505 enum hqd_dequeue_request_type type; 506 unsigned long end_jiffies; 507 uint32_t temp; 508 struct v10_compute_mqd *m = get_mqd(mqd); 509 510 acquire_queue(adev, pipe_id, queue_id); 511 512 if (m->cp_hqd_vmid == 0) 513 WREG32_FIELD15(GC, 0, RLC_CP_SCHEDULERS, scheduler1, 0); 514 515 switch (reset_type) { 516 case KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN: 517 type = DRAIN_PIPE; 518 break; 519 case KFD_PREEMPT_TYPE_WAVEFRONT_RESET: 520 type = RESET_WAVES; 521 break; 522 case KFD_PREEMPT_TYPE_WAVEFRONT_SAVE: 523 type = SAVE_WAVES; 524 break; 525 default: 526 type = DRAIN_PIPE; 527 break; 528 } 529 530 WREG32_SOC15(GC, 0, mmCP_HQD_DEQUEUE_REQUEST, type); 531 532 end_jiffies = (utimeout * HZ / 1000) + jiffies; 533 while (true) { 534 temp = RREG32_SOC15(GC, 0, mmCP_HQD_ACTIVE); 535 if (!(temp & CP_HQD_ACTIVE__ACTIVE_MASK)) 536 break; 537 if (time_after(jiffies, end_jiffies)) { 538 pr_err("cp queue pipe %d queue %d preemption failed\n", 539 pipe_id, queue_id); 540 release_queue(adev); 541 return -ETIME; 542 } 543 usleep_range(500, 1000); 544 } 545 546 release_queue(adev); 547 return 0; 548 } 549 550 static int hqd_sdma_destroy_v10_3(struct amdgpu_device *adev, void *mqd, 551 unsigned int utimeout) 552 { 553 struct v10_sdma_mqd *m; 554 uint32_t sdma_rlc_reg_offset; 555 uint32_t temp; 556 unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies; 557 558 m = get_sdma_mqd(mqd); 559 sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev, m->sdma_engine_id, 560 m->sdma_queue_id); 561 562 temp = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL); 563 temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK; 564 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, temp); 565 566 while (true) { 567 temp = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS); 568 if (temp & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK) 569 break; 570 if (time_after(jiffies, end_jiffies)) { 571 pr_err("SDMA RLC not idle in %s\n", __func__); 572 return -ETIME; 573 } 574 usleep_range(500, 1000); 575 } 576 577 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, 0); 578 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, 579 RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL) | 580 SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK); 581 582 m->sdmax_rlcx_rb_rptr = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR); 583 m->sdmax_rlcx_rb_rptr_hi = 584 RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_HI); 585 586 return 0; 587 } 588 589 static int wave_control_execute_v10_3(struct amdgpu_device *adev, 590 uint32_t gfx_index_val, 591 uint32_t sq_cmd, uint32_t inst) 592 { 593 uint32_t data = 0; 594 595 mutex_lock(&adev->grbm_idx_mutex); 596 597 WREG32_SOC15(GC, 0, mmGRBM_GFX_INDEX, gfx_index_val); 598 WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_CMD), sq_cmd); 599 600 data = REG_SET_FIELD(data, GRBM_GFX_INDEX, 601 INSTANCE_BROADCAST_WRITES, 1); 602 data = REG_SET_FIELD(data, GRBM_GFX_INDEX, 603 SA_BROADCAST_WRITES, 1); 604 data = REG_SET_FIELD(data, GRBM_GFX_INDEX, 605 SE_BROADCAST_WRITES, 1); 606 607 WREG32_SOC15(GC, 0, mmGRBM_GFX_INDEX, data); 608 mutex_unlock(&adev->grbm_idx_mutex); 609 610 return 0; 611 } 612 613 static bool get_atc_vmid_pasid_mapping_info_v10_3(struct amdgpu_device *adev, 614 uint8_t vmid, uint16_t *p_pasid) 615 { 616 uint32_t value; 617 618 value = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING) 619 + vmid); 620 *p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK; 621 622 return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK); 623 } 624 625 static void set_vm_context_page_table_base_v10_3(struct amdgpu_device *adev, 626 uint32_t vmid, uint64_t page_table_base) 627 { 628 /* SDMA is on gfxhub as well for Navi1* series */ 629 adev->gfxhub.funcs->setup_vm_pt_regs(adev, vmid, page_table_base); 630 } 631 632 static void program_trap_handler_settings_v10_3(struct amdgpu_device *adev, 633 uint32_t vmid, uint64_t tba_addr, uint64_t tma_addr, 634 uint32_t inst) 635 { 636 lock_srbm(adev, 0, 0, 0, vmid); 637 638 /* 639 * Program TBA registers 640 */ 641 WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TBA_LO), 642 lower_32_bits(tba_addr >> 8)); 643 WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TBA_HI), 644 upper_32_bits(tba_addr >> 8) | 645 (1 << SQ_SHADER_TBA_HI__TRAP_EN__SHIFT)); 646 647 /* 648 * Program TMA registers 649 */ 650 WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TMA_LO), 651 lower_32_bits(tma_addr >> 8)); 652 WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TMA_HI), 653 upper_32_bits(tma_addr >> 8)); 654 655 unlock_srbm(adev); 656 } 657 658 const struct kfd2kgd_calls gfx_v10_3_kfd2kgd = { 659 .program_sh_mem_settings = program_sh_mem_settings_v10_3, 660 .set_pasid_vmid_mapping = set_pasid_vmid_mapping_v10_3, 661 .init_interrupts = init_interrupts_v10_3, 662 .hqd_load = hqd_load_v10_3, 663 .hiq_mqd_load = hiq_mqd_load_v10_3, 664 .hqd_sdma_load = hqd_sdma_load_v10_3, 665 .hqd_dump = hqd_dump_v10_3, 666 .hqd_sdma_dump = hqd_sdma_dump_v10_3, 667 .hqd_is_occupied = hqd_is_occupied_v10_3, 668 .hqd_sdma_is_occupied = hqd_sdma_is_occupied_v10_3, 669 .hqd_destroy = hqd_destroy_v10_3, 670 .hqd_sdma_destroy = hqd_sdma_destroy_v10_3, 671 .wave_control_execute = wave_control_execute_v10_3, 672 .get_atc_vmid_pasid_mapping_info = get_atc_vmid_pasid_mapping_info_v10_3, 673 .set_vm_context_page_table_base = set_vm_context_page_table_base_v10_3, 674 .program_trap_handler_settings = program_trap_handler_settings_v10_3, 675 .get_iq_wait_times = kgd_gfx_v10_get_iq_wait_times, 676 .build_grace_period_packet_info = kgd_gfx_v10_build_grace_period_packet_info, 677 .enable_debug_trap = kgd_gfx_v10_enable_debug_trap, 678 .disable_debug_trap = kgd_gfx_v10_disable_debug_trap, 679 .validate_trap_override_request = kgd_gfx_v10_validate_trap_override_request, 680 .set_wave_launch_trap_override = kgd_gfx_v10_set_wave_launch_trap_override, 681 .set_wave_launch_mode = kgd_gfx_v10_set_wave_launch_mode 682 683 }; 684