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 33static const char * const 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 54static 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 74static void 75gfxhub_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 104static 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 114static 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 119static 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 133static 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 150static 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 = amdgpu_gmc_vram_mc2pa(adev, adev->mem_scratch.gpu_addr); 168 WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, 169 (u32)(value >> 12)); 170 WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, 171 (u32)(value >> 44)); 172 173 /* Program "protection fault". */ 174 WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, 175 (u32)(adev->dummy_page_addr >> 12)); 176 WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, 177 (u32)((u64)adev->dummy_page_addr >> 44)); 178 179 WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_PROTECTION_FAULT_CNTL2, 180 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); 181} 182 183 184static void gfxhub_v3_0_init_tlb_regs(struct amdgpu_device *adev) 185{ 186 uint32_t tmp; 187 188 /* Setup TLB control */ 189 tmp = RREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL); 190 191 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); 192 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); 193 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, 194 ENABLE_ADVANCED_DRIVER_MODEL, 1); 195 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, 196 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); 197 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); 198 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, 199 MTYPE, MTYPE_UC); /* UC, uncached */ 200 201 WREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, tmp); 202} 203 204static void gfxhub_v3_0_init_cache_regs(struct amdgpu_device *adev) 205{ 206 uint32_t tmp; 207 208 /* These registers are not accessible to VF-SRIOV. 209 * The PF will program them instead. 210 */ 211 if (amdgpu_sriov_vf(adev)) 212 return; 213 214 /* Setup L2 cache */ 215 tmp = RREG32_SOC15(GC, 0, regGCVM_L2_CNTL); 216 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_CACHE, 1); 217 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0); 218 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, 219 ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); 220 /* XXX for emulation, Refer to closed source code.*/ 221 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, 222 L2_PDE0_CACHE_TAG_GENERATION_MODE, 0); 223 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0); 224 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); 225 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0); 226 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL, tmp); 227 228 tmp = RREG32_SOC15(GC, 0, regGCVM_L2_CNTL2); 229 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); 230 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); 231 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL2, tmp); 232 233 tmp = regGCVM_L2_CNTL3_DEFAULT; 234 if (adev->gmc.translate_further) { 235 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 12); 236 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, 237 L2_CACHE_BIGK_FRAGMENT_SIZE, 9); 238 } else { 239 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 9); 240 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, 241 L2_CACHE_BIGK_FRAGMENT_SIZE, 6); 242 } 243 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL3, tmp); 244 245 tmp = regGCVM_L2_CNTL4_DEFAULT; 246 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); 247 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0); 248 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL4, tmp); 249 250 tmp = regGCVM_L2_CNTL5_DEFAULT; 251 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0); 252 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL5, tmp); 253} 254 255static void gfxhub_v3_0_enable_system_domain(struct amdgpu_device *adev) 256{ 257 uint32_t tmp; 258 259 tmp = RREG32_SOC15(GC, 0, regGCVM_CONTEXT0_CNTL); 260 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); 261 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); 262 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, 263 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0); 264 WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_CNTL, tmp); 265} 266 267static void gfxhub_v3_0_disable_identity_aperture(struct amdgpu_device *adev) 268{ 269 /* These registers are not accessible to VF-SRIOV. 270 * The PF will program them instead. 271 */ 272 if (amdgpu_sriov_vf(adev)) 273 return; 274 275 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, 276 0xFFFFFFFF); 277 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, 278 0x0000000F); 279 280 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 281 0); 282 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 283 0); 284 285 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0); 286 WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0); 287 288} 289 290static void gfxhub_v3_0_setup_vmid_config(struct amdgpu_device *adev) 291{ 292 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; 293 int i; 294 uint32_t tmp; 295 296 for (i = 0; i <= 14; i++) { 297 tmp = RREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL, i * hub->ctx_distance); 298 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); 299 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 300 adev->vm_manager.num_level); 301 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 302 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 303 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 304 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 305 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 306 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 307 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 308 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 309 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 310 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 311 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 312 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 313 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 314 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 315 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 316 PAGE_TABLE_BLOCK_SIZE, 317 adev->vm_manager.block_size - 9); 318 /* Send no-retry XNACK on fault to suppress VM fault storm. */ 319 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 320 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 321 !amdgpu_noretry); 322 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL, 323 i * hub->ctx_distance, tmp); 324 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, 325 i * hub->ctx_addr_distance, 0); 326 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, 327 i * hub->ctx_addr_distance, 0); 328 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, 329 i * hub->ctx_addr_distance, 330 lower_32_bits(adev->vm_manager.max_pfn - 1)); 331 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, 332 i * hub->ctx_addr_distance, 333 upper_32_bits(adev->vm_manager.max_pfn - 1)); 334 } 335 336 hub->vm_cntx_cntl = tmp; 337} 338 339static void gfxhub_v3_0_program_invalidation(struct amdgpu_device *adev) 340{ 341 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; 342 unsigned int i; 343 344 for (i = 0 ; i < 18; ++i) { 345 WREG32_SOC15_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32, 346 i * hub->eng_addr_distance, 0xffffffff); 347 WREG32_SOC15_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32, 348 i * hub->eng_addr_distance, 0x1f); 349 } 350} 351 352static int gfxhub_v3_0_gart_enable(struct amdgpu_device *adev) 353{ 354 if (amdgpu_sriov_vf(adev)) { 355 /* 356 * GCMC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are 357 * VF copy registers so vbios post doesn't program them, for 358 * SRIOV driver need to program them 359 */ 360 WREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_BASE, 361 adev->gmc.vram_start >> 24); 362 WREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_TOP, 363 adev->gmc.vram_end >> 24); 364 } 365 366 /* GART Enable. */ 367 gfxhub_v3_0_init_gart_aperture_regs(adev); 368 gfxhub_v3_0_init_system_aperture_regs(adev); 369 gfxhub_v3_0_init_tlb_regs(adev); 370 gfxhub_v3_0_init_cache_regs(adev); 371 372 gfxhub_v3_0_enable_system_domain(adev); 373 gfxhub_v3_0_disable_identity_aperture(adev); 374 gfxhub_v3_0_setup_vmid_config(adev); 375 gfxhub_v3_0_program_invalidation(adev); 376 377 return 0; 378} 379 380static void gfxhub_v3_0_gart_disable(struct amdgpu_device *adev) 381{ 382 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; 383 u32 tmp; 384 u32 i; 385 386 /* Disable all tables */ 387 for (i = 0; i < 16; i++) 388 WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_CNTL, 389 i * hub->ctx_distance, 0); 390 391 /* Setup TLB control */ 392 tmp = RREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL); 393 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); 394 tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, 395 ENABLE_ADVANCED_DRIVER_MODEL, 0); 396 WREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, tmp); 397 398 /* Setup L2 cache */ 399 WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0); 400 WREG32_SOC15(GC, 0, regGCVM_L2_CNTL3, 0); 401} 402 403/** 404 * gfxhub_v3_0_set_fault_enable_default - update GART/VM fault handling 405 * 406 * @adev: amdgpu_device pointer 407 * @value: true redirects VM faults to the default page 408 */ 409static void gfxhub_v3_0_set_fault_enable_default(struct amdgpu_device *adev, 410 bool value) 411{ 412 u32 tmp; 413 414 /* NO halt CP when page fault */ 415 tmp = RREG32_SOC15(GC, 0, regCP_DEBUG); 416 tmp = REG_SET_FIELD(tmp, CP_DEBUG, CPG_UTCL1_ERROR_HALT_DISABLE, 1); 417 WREG32_SOC15(GC, 0, regCP_DEBUG, tmp); 418 419 /* These registers are not accessible to VF-SRIOV. 420 * The PF will program them instead. 421 */ 422 if (amdgpu_sriov_vf(adev)) 423 return; 424 425 tmp = RREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL); 426 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 427 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 428 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 429 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); 430 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 431 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value); 432 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 433 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value); 434 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 435 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT, 436 value); 437 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 438 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value); 439 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 440 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 441 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 442 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); 443 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 444 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); 445 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 446 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 447 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 448 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 449 if (!value) { 450 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 451 CRASH_ON_NO_RETRY_FAULT, 1); 452 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 453 CRASH_ON_RETRY_FAULT, 1); 454 } 455 WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL, tmp); 456} 457 458static const struct amdgpu_vmhub_funcs gfxhub_v3_0_vmhub_funcs = { 459 .print_l2_protection_fault_status = gfxhub_v3_0_print_l2_protection_fault_status, 460 .get_invalidate_req = gfxhub_v3_0_get_invalidate_req, 461}; 462 463static void gfxhub_v3_0_init(struct amdgpu_device *adev) 464{ 465 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; 466 467 hub->ctx0_ptb_addr_lo32 = 468 SOC15_REG_OFFSET(GC, 0, 469 regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32); 470 hub->ctx0_ptb_addr_hi32 = 471 SOC15_REG_OFFSET(GC, 0, 472 regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32); 473 hub->vm_inv_eng0_sem = 474 SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_SEM); 475 hub->vm_inv_eng0_req = 476 SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_REQ); 477 hub->vm_inv_eng0_ack = 478 SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ACK); 479 hub->vm_context0_cntl = 480 SOC15_REG_OFFSET(GC, 0, regGCVM_CONTEXT0_CNTL); 481 hub->vm_l2_pro_fault_status = 482 SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_STATUS); 483 hub->vm_l2_pro_fault_cntl = 484 SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL); 485 486 hub->ctx_distance = regGCVM_CONTEXT1_CNTL - regGCVM_CONTEXT0_CNTL; 487 hub->ctx_addr_distance = regGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 - 488 regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32; 489 hub->eng_distance = regGCVM_INVALIDATE_ENG1_REQ - 490 regGCVM_INVALIDATE_ENG0_REQ; 491 hub->eng_addr_distance = regGCVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 - 492 regGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32; 493 494 hub->vm_cntx_cntl_vm_fault = GCVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 495 GCVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 496 GCVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 497 GCVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 498 GCVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 499 GCVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 500 GCVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK; 501 502 hub->vmhub_funcs = &gfxhub_v3_0_vmhub_funcs; 503} 504 505const struct amdgpu_gfxhub_funcs gfxhub_v3_0_funcs = { 506 .get_fb_location = gfxhub_v3_0_get_fb_location, 507 .get_mc_fb_offset = gfxhub_v3_0_get_mc_fb_offset, 508 .setup_vm_pt_regs = gfxhub_v3_0_setup_vm_pt_regs, 509 .gart_enable = gfxhub_v3_0_gart_enable, 510 .gart_disable = gfxhub_v3_0_gart_disable, 511 .set_fault_enable_default = gfxhub_v3_0_set_fault_enable_default, 512 .init = gfxhub_v3_0_init, 513}; 514