1 /* 2 * Copyright 2021 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 #include "amdgpu.h" 25 #include "gfxhub_v3_0.h" 26 27 #include "gc/gc_11_0_0_offset.h" 28 #include "gc/gc_11_0_0_sh_mask.h" 29 #include "gc/gc_11_0_0_default.h" 30 #include "navi10_enum.h" 31 #include "soc15_common.h" 32 33 static const char *gfxhub_client_ids[] = { 34 "CB/DB", 35 "Reserved", 36 "GE1", 37 "GE2", 38 "CPF", 39 "CPC", 40 "CPG", 41 "RLC", 42 "TCP", 43 "SQC (inst)", 44 "SQC (data)", 45 "SQG", 46 "Reserved", 47 "SDMA0", 48 "SDMA1", 49 "GCR", 50 "SDMA2", 51 "SDMA3", 52 }; 53 54 static uint32_t gfxhub_v3_0_get_invalidate_req(unsigned int vmid, 55 uint32_t flush_type) 56 { 57 u32 req = 0; 58 59 /* invalidate using legacy mode on vmid*/ 60 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, 61 PER_VMID_INVALIDATE_REQ, 1 << vmid); 62 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type); 63 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1); 64 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1); 65 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1); 66 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1); 67 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1); 68 req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, 69 CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0); 70 71 return req; 72 } 73 74 static void 75 gfxhub_v3_0_print_l2_protection_fault_status(struct amdgpu_device *adev, 76 uint32_t status) 77 { 78 u32 cid = REG_GET_FIELD(status, 79 GCVM_L2_PROTECTION_FAULT_STATUS, CID); 80 81 dev_err(adev->dev, 82 "GCVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n", 83 status); 84 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n", 85 cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" : gfxhub_client_ids[cid], 86 cid); 87 dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n", 88 REG_GET_FIELD(status, 89 GCVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS)); 90 dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n", 91 REG_GET_FIELD(status, 92 GCVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR)); 93 dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n", 94 REG_GET_FIELD(status, 95 GCVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS)); 96 dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n", 97 REG_GET_FIELD(status, 98 GCVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR)); 99 dev_err(adev->dev, "\t RW: 0x%lx\n", 100 REG_GET_FIELD(status, 101 GCVM_L2_PROTECTION_FAULT_STATUS, RW)); 102 } 103 104 static u64 gfxhub_v3_0_get_fb_location(struct amdgpu_device *adev) 105 { 106 u64 base = RREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_BASE); 107 108 base &= GCMC_VM_FB_LOCATION_BASE__FB_BASE_MASK; 109 base <<= 24; 110 111 return base; 112 } 113 114 static u64 gfxhub_v3_0_get_mc_fb_offset(struct amdgpu_device *adev) 115 { 116 return (u64)RREG32_SOC15(GC, 0, regGCMC_VM_FB_OFFSET) << 24; 117 } 118 119 static void gfxhub_v3_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid, 120 uint64_t page_table_base) 121 { 122 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; 123 124 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, 125 hub->ctx_addr_distance * vmid, 126 lower_32_bits(page_table_base)); 127 128 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, 129 hub->ctx_addr_distance * vmid, 130 upper_32_bits(page_table_base)); 131 } 132 133 static void gfxhub_v3_0_init_gart_aperture_regs(struct amdgpu_device *adev) 134 { 135 uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo); 136 137 gfxhub_v3_0_setup_vm_pt_regs(adev, 0, pt_base); 138 139 WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, 140 (u32)(adev->gmc.gart_start >> 12)); 141 WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, 142 (u32)(adev->gmc.gart_start >> 44)); 143 144 WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, 145 (u32)(adev->gmc.gart_end >> 12)); 146 WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, 147 (u32)(adev->gmc.gart_end >> 44)); 148 } 149 150 static void gfxhub_v3_0_init_system_aperture_regs(struct amdgpu_device *adev) 151 { 152 uint64_t value; 153 154 /* Program the AGP BAR */ 155 WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BASE, 0); 156 WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BOT, adev->gmc.agp_start >> 24); 157 WREG32_SOC15(GC, 0, regGCMC_VM_AGP_TOP, adev->gmc.agp_end >> 24); 158 159 160 /* Program the system aperture low logical page number. */ 161 WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR, 162 min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18); 163 WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 164 max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18); 165 166 /* Set default page address. */ 167 value = adev->mem_scratch.gpu_addr - adev->gmc.vram_start 168 + adev->vm_manager.vram_base_offset; 169 WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, 170 (u32)(value >> 12)); 171 WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, 172 (u32)(value >> 44)); 173 174 /* Program "protection fault". */ 175 WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, 176 (u32)(adev->dummy_page_addr >> 12)); 177 WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, 178 (u32)((u64)adev->dummy_page_addr >> 44)); 179 180 WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_PROTECTION_FAULT_CNTL2, 181 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); 182 } 183 184 185 static void gfxhub_v3_0_init_tlb_regs(struct amdgpu_device *adev) 186 { 187 uint32_t tmp; 188 189 /* Setup TLB control */ 190 tmp = RREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL); 191 192 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); 193 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); 194 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, 195 ENABLE_ADVANCED_DRIVER_MODEL, 1); 196 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, 197 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); 198 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); 199 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, 200 MTYPE, MTYPE_UC); /* UC, uncached */ 201 202 WREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, tmp); 203 } 204 205 static void gfxhub_v3_0_init_cache_regs(struct amdgpu_device *adev) 206 { 207 uint32_t tmp; 208 209 /* These registers are not accessible to VF-SRIOV. 210 * The PF will program them instead. 211 */ 212 if (amdgpu_sriov_vf(adev)) 213 return; 214 215 /* Setup L2 cache */ 216 tmp = RREG32_SOC15(GC, 0, regGCVM_L2_CNTL); 217 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_CACHE, 1); 218 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0); 219 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, 220 ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); 221 /* XXX for emulation, Refer to closed source code.*/ 222 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, 223 L2_PDE0_CACHE_TAG_GENERATION_MODE, 0); 224 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0); 225 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); 226 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0); 227 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL, tmp); 228 229 tmp = RREG32_SOC15(GC, 0, regGCVM_L2_CNTL2); 230 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); 231 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); 232 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL2, tmp); 233 234 tmp = regGCVM_L2_CNTL3_DEFAULT; 235 if (adev->gmc.translate_further) { 236 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 12); 237 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, 238 L2_CACHE_BIGK_FRAGMENT_SIZE, 9); 239 } else { 240 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 9); 241 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, 242 L2_CACHE_BIGK_FRAGMENT_SIZE, 6); 243 } 244 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL3, tmp); 245 246 tmp = regGCVM_L2_CNTL4_DEFAULT; 247 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); 248 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0); 249 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL4, tmp); 250 251 tmp = regGCVM_L2_CNTL5_DEFAULT; 252 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0); 253 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL5, tmp); 254 } 255 256 static void gfxhub_v3_0_enable_system_domain(struct amdgpu_device *adev) 257 { 258 uint32_t tmp; 259 260 tmp = RREG32_SOC15(GC, 0, regGCVM_CONTEXT0_CNTL); 261 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); 262 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); 263 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, 264 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0); 265 WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_CNTL, tmp); 266 } 267 268 static void gfxhub_v3_0_disable_identity_aperture(struct amdgpu_device *adev) 269 { 270 /* These registers are not accessible to VF-SRIOV. 271 * The PF will program them instead. 272 */ 273 if (amdgpu_sriov_vf(adev)) 274 return; 275 276 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, 277 0xFFFFFFFF); 278 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, 279 0x0000000F); 280 281 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 282 0); 283 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 284 0); 285 286 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0); 287 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0); 288 289 } 290 291 static void gfxhub_v3_0_setup_vmid_config(struct amdgpu_device *adev) 292 { 293 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; 294 int i; 295 uint32_t tmp; 296 297 for (i = 0; i <= 14; i++) { 298 tmp = RREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL, i); 299 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); 300 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 301 adev->vm_manager.num_level); 302 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 303 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 304 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 305 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 306 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 307 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 308 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 309 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 310 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 311 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 312 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 313 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 314 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 315 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 316 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 317 PAGE_TABLE_BLOCK_SIZE, 318 adev->vm_manager.block_size - 9); 319 /* Send no-retry XNACK on fault to suppress VM fault storm. */ 320 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 321 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 322 !amdgpu_noretry); 323 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL, 324 i * hub->ctx_distance, tmp); 325 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, 326 i * hub->ctx_addr_distance, 0); 327 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, 328 i * hub->ctx_addr_distance, 0); 329 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, 330 i * hub->ctx_addr_distance, 331 lower_32_bits(adev->vm_manager.max_pfn - 1)); 332 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, 333 i * hub->ctx_addr_distance, 334 upper_32_bits(adev->vm_manager.max_pfn - 1)); 335 } 336 337 hub->vm_cntx_cntl = tmp; 338 } 339 340 static void gfxhub_v3_0_program_invalidation(struct amdgpu_device *adev) 341 { 342 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; 343 unsigned i; 344 345 for (i = 0 ; i < 18; ++i) { 346 WREG32_SOC15_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32, 347 i * hub->eng_addr_distance, 0xffffffff); 348 WREG32_SOC15_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32, 349 i * hub->eng_addr_distance, 0x1f); 350 } 351 } 352 353 static int gfxhub_v3_0_gart_enable(struct amdgpu_device *adev) 354 { 355 if (amdgpu_sriov_vf(adev)) { 356 /* 357 * GCMC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are 358 * VF copy registers so vbios post doesn't program them, for 359 * SRIOV driver need to program them 360 */ 361 WREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_BASE, 362 adev->gmc.vram_start >> 24); 363 WREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_TOP, 364 adev->gmc.vram_end >> 24); 365 } 366 367 /* GART Enable. */ 368 gfxhub_v3_0_init_gart_aperture_regs(adev); 369 gfxhub_v3_0_init_system_aperture_regs(adev); 370 gfxhub_v3_0_init_tlb_regs(adev); 371 gfxhub_v3_0_init_cache_regs(adev); 372 373 gfxhub_v3_0_enable_system_domain(adev); 374 gfxhub_v3_0_disable_identity_aperture(adev); 375 gfxhub_v3_0_setup_vmid_config(adev); 376 gfxhub_v3_0_program_invalidation(adev); 377 378 return 0; 379 } 380 381 static void gfxhub_v3_0_gart_disable(struct amdgpu_device *adev) 382 { 383 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; 384 u32 tmp; 385 u32 i; 386 387 /* Disable all tables */ 388 for (i = 0; i < 16; i++) 389 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_CNTL, 390 i * hub->ctx_distance, 0); 391 392 /* Setup TLB control */ 393 tmp = RREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL); 394 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); 395 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, 396 ENABLE_ADVANCED_DRIVER_MODEL, 0); 397 WREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, tmp); 398 399 /* Setup L2 cache */ 400 WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0); 401 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL3, 0); 402 } 403 404 /** 405 * gfxhub_v3_0_set_fault_enable_default - update GART/VM fault handling 406 * 407 * @adev: amdgpu_device pointer 408 * @value: true redirects VM faults to the default page 409 */ 410 static void gfxhub_v3_0_set_fault_enable_default(struct amdgpu_device *adev, 411 bool value) 412 { 413 u32 tmp; 414 415 /* NO halt CP when page fault */ 416 tmp = RREG32_SOC15(GC, 0, regCP_DEBUG); 417 tmp = REG_SET_FIELD(tmp, CP_DEBUG, CPG_UTCL1_ERROR_HALT_DISABLE, 1); 418 WREG32_SOC15(GC, 0, regCP_DEBUG, tmp); 419 420 /* These registers are not accessible to VF-SRIOV. 421 * The PF will program them instead. 422 */ 423 if (amdgpu_sriov_vf(adev)) 424 return; 425 426 tmp = RREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL); 427 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 428 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 429 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 430 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); 431 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 432 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value); 433 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 434 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value); 435 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 436 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT, 437 value); 438 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 439 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value); 440 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 441 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 442 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 443 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); 444 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 445 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); 446 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 447 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 448 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 449 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 450 if (!value) { 451 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 452 CRASH_ON_NO_RETRY_FAULT, 1); 453 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 454 CRASH_ON_RETRY_FAULT, 1); 455 } 456 WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL, tmp); 457 } 458 459 static const struct amdgpu_vmhub_funcs gfxhub_v3_0_vmhub_funcs = { 460 .print_l2_protection_fault_status = gfxhub_v3_0_print_l2_protection_fault_status, 461 .get_invalidate_req = gfxhub_v3_0_get_invalidate_req, 462 }; 463 464 static void gfxhub_v3_0_init(struct amdgpu_device *adev) 465 { 466 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; 467 468 hub->ctx0_ptb_addr_lo32 = 469 SOC15_REG_OFFSET(GC, 0, 470 regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32); 471 hub->ctx0_ptb_addr_hi32 = 472 SOC15_REG_OFFSET(GC, 0, 473 regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32); 474 hub->vm_inv_eng0_sem = 475 SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_SEM); 476 hub->vm_inv_eng0_req = 477 SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_REQ); 478 hub->vm_inv_eng0_ack = 479 SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ACK); 480 hub->vm_context0_cntl = 481 SOC15_REG_OFFSET(GC, 0, regGCVM_CONTEXT0_CNTL); 482 hub->vm_l2_pro_fault_status = 483 SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_STATUS); 484 hub->vm_l2_pro_fault_cntl = 485 SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL); 486 487 hub->ctx_distance = regGCVM_CONTEXT1_CNTL - regGCVM_CONTEXT0_CNTL; 488 hub->ctx_addr_distance = regGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 - 489 regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32; 490 hub->eng_distance = regGCVM_INVALIDATE_ENG1_REQ - 491 regGCVM_INVALIDATE_ENG0_REQ; 492 hub->eng_addr_distance = regGCVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 - 493 regGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32; 494 495 hub->vm_cntx_cntl_vm_fault = GCVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 496 GCVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 497 GCVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 498 GCVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 499 GCVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 500 GCVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 501 GCVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK; 502 503 hub->vmhub_funcs = &gfxhub_v3_0_vmhub_funcs; 504 } 505 506 const struct amdgpu_gfxhub_funcs gfxhub_v3_0_funcs = { 507 .get_fb_location = gfxhub_v3_0_get_fb_location, 508 .get_mc_fb_offset = gfxhub_v3_0_get_mc_fb_offset, 509 .setup_vm_pt_regs = gfxhub_v3_0_setup_vm_pt_regs, 510 .gart_enable = gfxhub_v3_0_gart_enable, 511 .gart_disable = gfxhub_v3_0_gart_disable, 512 .set_fault_enable_default = gfxhub_v3_0_set_fault_enable_default, 513 .init = gfxhub_v3_0_init, 514 }; 515