1/* 2 * Copyright 2022 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_xcp.h" 25#include "gfxhub_v1_2.h" 26#include "gfxhub_v1_1.h" 27 28#include "gc/gc_9_4_3_offset.h" 29#include "gc/gc_9_4_3_sh_mask.h" 30#include "vega10_enum.h" 31 32#include "soc15_common.h" 33 34#define regVM_L2_CNTL3_DEFAULT 0x80100007 35#define regVM_L2_CNTL4_DEFAULT 0x000000c1 36 37static u64 gfxhub_v1_2_get_mc_fb_offset(struct amdgpu_device *adev) 38{ 39 return (u64)RREG32_SOC15(GC, GET_INST(GC, 0), regMC_VM_FB_OFFSET) << 24; 40} 41 42static void gfxhub_v1_2_xcc_setup_vm_pt_regs(struct amdgpu_device *adev, 43 uint32_t vmid, 44 uint64_t page_table_base, 45 uint32_t xcc_mask) 46{ 47 struct amdgpu_vmhub *hub; 48 int i; 49 50 for_each_inst(i, xcc_mask) { 51 hub = &adev->vmhub[AMDGPU_GFXHUB(i)]; 52 WREG32_SOC15_OFFSET(GC, GET_INST(GC, i), 53 regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, 54 hub->ctx_addr_distance * vmid, 55 lower_32_bits(page_table_base)); 56 57 WREG32_SOC15_OFFSET(GC, GET_INST(GC, i), 58 regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, 59 hub->ctx_addr_distance * vmid, 60 upper_32_bits(page_table_base)); 61 } 62} 63 64static void gfxhub_v1_2_setup_vm_pt_regs(struct amdgpu_device *adev, 65 uint32_t vmid, 66 uint64_t page_table_base) 67{ 68 uint32_t xcc_mask; 69 70 xcc_mask = GENMASK(NUM_XCC(adev->gfx.xcc_mask) - 1, 0); 71 gfxhub_v1_2_xcc_setup_vm_pt_regs(adev, vmid, page_table_base, xcc_mask); 72} 73 74static void gfxhub_v1_2_xcc_init_gart_aperture_regs(struct amdgpu_device *adev, 75 uint32_t xcc_mask) 76{ 77 uint64_t pt_base; 78 int i; 79 80 if (adev->gmc.pdb0_bo) 81 pt_base = amdgpu_gmc_pd_addr(adev->gmc.pdb0_bo); 82 else 83 pt_base = amdgpu_gmc_pd_addr(adev->gart.bo); 84 85 gfxhub_v1_2_xcc_setup_vm_pt_regs(adev, 0, pt_base, xcc_mask); 86 87 /* If use GART for FB translation, vmid0 page table covers both 88 * vram and system memory (gart) 89 */ 90 for_each_inst(i, xcc_mask) { 91 if (adev->gmc.pdb0_bo) { 92 WREG32_SOC15(GC, GET_INST(GC, i), 93 regVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, 94 (u32)(adev->gmc.fb_start >> 12)); 95 WREG32_SOC15(GC, GET_INST(GC, i), 96 regVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, 97 (u32)(adev->gmc.fb_start >> 44)); 98 99 WREG32_SOC15(GC, GET_INST(GC, i), 100 regVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, 101 (u32)(adev->gmc.gart_end >> 12)); 102 WREG32_SOC15(GC, GET_INST(GC, i), 103 regVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, 104 (u32)(adev->gmc.gart_end >> 44)); 105 } else { 106 WREG32_SOC15(GC, GET_INST(GC, i), 107 regVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, 108 (u32)(adev->gmc.gart_start >> 12)); 109 WREG32_SOC15(GC, GET_INST(GC, i), 110 regVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, 111 (u32)(adev->gmc.gart_start >> 44)); 112 113 WREG32_SOC15(GC, GET_INST(GC, i), 114 regVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, 115 (u32)(adev->gmc.gart_end >> 12)); 116 WREG32_SOC15(GC, GET_INST(GC, i), 117 regVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, 118 (u32)(adev->gmc.gart_end >> 44)); 119 } 120 } 121} 122 123static void 124gfxhub_v1_2_xcc_init_system_aperture_regs(struct amdgpu_device *adev, 125 uint32_t xcc_mask) 126{ 127 uint64_t value; 128 uint32_t tmp; 129 int i; 130 131 for_each_inst(i, xcc_mask) { 132 /* Program the AGP BAR */ 133 WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_AGP_BASE, 0); 134 WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_AGP_BOT, adev->gmc.agp_start >> 24); 135 WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_AGP_TOP, adev->gmc.agp_end >> 24); 136 137 if (!amdgpu_sriov_vf(adev) || adev->asic_type <= CHIP_VEGA10) { 138 /* Program the system aperture low logical page number. */ 139 WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_SYSTEM_APERTURE_LOW_ADDR, 140 min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18); 141 142 if (adev->apu_flags & (AMD_APU_IS_RAVEN2 | 143 AMD_APU_IS_RENOIR | 144 AMD_APU_IS_GREEN_SARDINE)) 145 /* 146 * Raven2 has a HW issue that it is unable to use the 147 * vram which is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR. 148 * So here is the workaround that increase system 149 * aperture high address (add 1) to get rid of the VM 150 * fault and hardware hang. 151 */ 152 WREG32_SOC15_RLC(GC, GET_INST(GC, i), 153 regMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 154 max((adev->gmc.fb_end >> 18) + 0x1, 155 adev->gmc.agp_end >> 18)); 156 else 157 WREG32_SOC15_RLC(GC, GET_INST(GC, i), 158 regMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 159 max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18); 160 161 /* Set default page address. */ 162 value = amdgpu_gmc_vram_mc2pa(adev, adev->mem_scratch.gpu_addr); 163 WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, 164 (u32)(value >> 12)); 165 WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, 166 (u32)(value >> 44)); 167 168 /* Program "protection fault". */ 169 WREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, 170 (u32)(adev->dummy_page_addr >> 12)); 171 WREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, 172 (u32)((u64)adev->dummy_page_addr >> 44)); 173 174 tmp = RREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_CNTL2); 175 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2, 176 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); 177 WREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_CNTL2, tmp); 178 } 179 180 /* In the case squeezing vram into GART aperture, we don't use 181 * FB aperture and AGP aperture. Disable them. 182 */ 183 if (adev->gmc.pdb0_bo) { 184 WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_FB_LOCATION_TOP, 0); 185 WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_FB_LOCATION_BASE, 0x00FFFFFF); 186 WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_AGP_TOP, 0); 187 WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_AGP_BOT, 0xFFFFFF); 188 WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x3FFFFFFF); 189 WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0); 190 } 191 } 192} 193 194static void gfxhub_v1_2_xcc_init_tlb_regs(struct amdgpu_device *adev, 195 uint32_t xcc_mask) 196{ 197 uint32_t tmp; 198 int i; 199 200 for_each_inst(i, xcc_mask) { 201 /* Setup TLB control */ 202 tmp = RREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_MX_L1_TLB_CNTL); 203 204 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, 205 ENABLE_L1_TLB, 1); 206 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, 207 SYSTEM_ACCESS_MODE, 3); 208 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, 209 ENABLE_ADVANCED_DRIVER_MODEL, 1); 210 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, 211 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); 212 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, 213 MTYPE, MTYPE_UC);/* XXX for emulation. */ 214 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1); 215 216 WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_MX_L1_TLB_CNTL, tmp); 217 } 218} 219 220static void gfxhub_v1_2_xcc_init_cache_regs(struct amdgpu_device *adev, 221 uint32_t xcc_mask) 222{ 223 uint32_t tmp; 224 int i; 225 226 for_each_inst(i, xcc_mask) { 227 /* Setup L2 cache */ 228 tmp = RREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_CNTL); 229 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1); 230 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1); 231 /* XXX for emulation, Refer to closed source code.*/ 232 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE, 233 0); 234 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0); 235 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); 236 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0); 237 WREG32_SOC15_RLC(GC, GET_INST(GC, i), regVM_L2_CNTL, tmp); 238 239 tmp = RREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_CNTL2); 240 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); 241 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); 242 WREG32_SOC15_RLC(GC, GET_INST(GC, i), regVM_L2_CNTL2, tmp); 243 244 tmp = regVM_L2_CNTL3_DEFAULT; 245 if (adev->gmc.translate_further) { 246 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12); 247 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, 248 L2_CACHE_BIGK_FRAGMENT_SIZE, 9); 249 } else { 250 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9); 251 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, 252 L2_CACHE_BIGK_FRAGMENT_SIZE, 6); 253 } 254 WREG32_SOC15_RLC(GC, GET_INST(GC, i), regVM_L2_CNTL3, tmp); 255 256 tmp = regVM_L2_CNTL4_DEFAULT; 257 /* For AMD APP APUs setup WC memory */ 258 if (adev->gmc.xgmi.connected_to_cpu || adev->gmc.is_app_apu) { 259 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 1); 260 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 1); 261 } else { 262 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); 263 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0); 264 } 265 WREG32_SOC15_RLC(GC, GET_INST(GC, i), regVM_L2_CNTL4, tmp); 266 } 267} 268 269static void gfxhub_v1_2_xcc_enable_system_domain(struct amdgpu_device *adev, 270 uint32_t xcc_mask) 271{ 272 uint32_t tmp; 273 int i; 274 275 for_each_inst(i, xcc_mask) { 276 tmp = RREG32_SOC15(GC, GET_INST(GC, i), regVM_CONTEXT0_CNTL); 277 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); 278 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 279 adev->gmc.vmid0_page_table_depth); 280 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_BLOCK_SIZE, 281 adev->gmc.vmid0_page_table_block_size); 282 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, 283 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0); 284 WREG32_SOC15(GC, GET_INST(GC, i), regVM_CONTEXT0_CNTL, tmp); 285 } 286} 287 288static void 289gfxhub_v1_2_xcc_disable_identity_aperture(struct amdgpu_device *adev, 290 uint32_t xcc_mask) 291{ 292 int i; 293 294 for_each_inst(i, xcc_mask) { 295 WREG32_SOC15(GC, GET_INST(GC, i), 296 regVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, 297 0XFFFFFFFF); 298 WREG32_SOC15(GC, GET_INST(GC, i), 299 regVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, 300 0x0000000F); 301 302 WREG32_SOC15(GC, GET_INST(GC, i), 303 regVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 304 0); 305 WREG32_SOC15(GC, GET_INST(GC, i), 306 regVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 307 0); 308 309 WREG32_SOC15(GC, GET_INST(GC, i), 310 regVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0); 311 WREG32_SOC15(GC, GET_INST(GC, i), 312 regVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0); 313 } 314} 315 316static void gfxhub_v1_2_xcc_setup_vmid_config(struct amdgpu_device *adev, 317 uint32_t xcc_mask) 318{ 319 struct amdgpu_vmhub *hub; 320 unsigned int num_level, block_size; 321 uint32_t tmp; 322 int i, j; 323 324 num_level = adev->vm_manager.num_level; 325 block_size = adev->vm_manager.block_size; 326 if (adev->gmc.translate_further) 327 num_level -= 1; 328 else 329 block_size -= 9; 330 331 for_each_inst(j, xcc_mask) { 332 hub = &adev->vmhub[AMDGPU_GFXHUB(j)]; 333 for (i = 0; i <= 14; i++) { 334 tmp = RREG32_SOC15_OFFSET(GC, GET_INST(GC, j), regVM_CONTEXT1_CNTL, 335 i * hub->ctx_distance); 336 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); 337 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 338 num_level); 339 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 340 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 341 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 342 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 343 1); 344 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 345 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 346 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 347 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 348 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 349 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 350 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 351 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 352 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 353 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 354 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 355 PAGE_TABLE_BLOCK_SIZE, 356 block_size); 357 /* Send no-retry XNACK on fault to suppress VM fault storm. 358 * On 9.4.2 and 9.4.3, XNACK can be enabled in 359 * the SQ per-process. 360 * Retry faults need to be enabled for that to work. 361 */ 362 tmp = REG_SET_FIELD( 363 tmp, VM_CONTEXT1_CNTL, 364 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 365 !adev->gmc.noretry || 366 amdgpu_ip_version(adev, GC_HWIP, 0) == 367 IP_VERSION(9, 4, 2) || 368 amdgpu_ip_version(adev, GC_HWIP, 0) == 369 IP_VERSION(9, 4, 3)); 370 WREG32_SOC15_OFFSET(GC, GET_INST(GC, j), regVM_CONTEXT1_CNTL, 371 i * hub->ctx_distance, tmp); 372 WREG32_SOC15_OFFSET(GC, GET_INST(GC, j), 373 regVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, 374 i * hub->ctx_addr_distance, 0); 375 WREG32_SOC15_OFFSET(GC, GET_INST(GC, j), 376 regVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, 377 i * hub->ctx_addr_distance, 0); 378 WREG32_SOC15_OFFSET(GC, GET_INST(GC, j), 379 regVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, 380 i * hub->ctx_addr_distance, 381 lower_32_bits(adev->vm_manager.max_pfn - 1)); 382 WREG32_SOC15_OFFSET(GC, GET_INST(GC, j), 383 regVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, 384 i * hub->ctx_addr_distance, 385 upper_32_bits(adev->vm_manager.max_pfn - 1)); 386 } 387 } 388} 389 390static void gfxhub_v1_2_xcc_program_invalidation(struct amdgpu_device *adev, 391 uint32_t xcc_mask) 392{ 393 struct amdgpu_vmhub *hub; 394 unsigned int i, j; 395 396 for_each_inst(j, xcc_mask) { 397 hub = &adev->vmhub[AMDGPU_GFXHUB(j)]; 398 399 for (i = 0 ; i < 18; ++i) { 400 WREG32_SOC15_OFFSET(GC, GET_INST(GC, j), regVM_INVALIDATE_ENG0_ADDR_RANGE_LO32, 401 i * hub->eng_addr_distance, 0xffffffff); 402 WREG32_SOC15_OFFSET(GC, GET_INST(GC, j), regVM_INVALIDATE_ENG0_ADDR_RANGE_HI32, 403 i * hub->eng_addr_distance, 0x1f); 404 } 405 } 406} 407 408static int gfxhub_v1_2_xcc_gart_enable(struct amdgpu_device *adev, 409 uint32_t xcc_mask) 410{ 411 /* GART Enable. */ 412 gfxhub_v1_2_xcc_init_gart_aperture_regs(adev, xcc_mask); 413 gfxhub_v1_2_xcc_init_system_aperture_regs(adev, xcc_mask); 414 gfxhub_v1_2_xcc_init_tlb_regs(adev, xcc_mask); 415 if (!amdgpu_sriov_vf(adev)) 416 gfxhub_v1_2_xcc_init_cache_regs(adev, xcc_mask); 417 418 gfxhub_v1_2_xcc_enable_system_domain(adev, xcc_mask); 419 if (!amdgpu_sriov_vf(adev)) 420 gfxhub_v1_2_xcc_disable_identity_aperture(adev, xcc_mask); 421 gfxhub_v1_2_xcc_setup_vmid_config(adev, xcc_mask); 422 gfxhub_v1_2_xcc_program_invalidation(adev, xcc_mask); 423 424 return 0; 425} 426 427static int gfxhub_v1_2_gart_enable(struct amdgpu_device *adev) 428{ 429 uint32_t xcc_mask; 430 431 xcc_mask = GENMASK(NUM_XCC(adev->gfx.xcc_mask) - 1, 0); 432 return gfxhub_v1_2_xcc_gart_enable(adev, xcc_mask); 433} 434 435static void gfxhub_v1_2_xcc_gart_disable(struct amdgpu_device *adev, 436 uint32_t xcc_mask) 437{ 438 struct amdgpu_vmhub *hub; 439 u32 tmp; 440 u32 i, j; 441 442 for_each_inst(j, xcc_mask) { 443 hub = &adev->vmhub[AMDGPU_GFXHUB(j)]; 444 /* Disable all tables */ 445 for (i = 0; i < 16; i++) 446 WREG32_SOC15_OFFSET(GC, GET_INST(GC, j), regVM_CONTEXT0_CNTL, 447 i * hub->ctx_distance, 0); 448 449 /* Setup TLB control */ 450 tmp = RREG32_SOC15(GC, GET_INST(GC, j), regMC_VM_MX_L1_TLB_CNTL); 451 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); 452 tmp = REG_SET_FIELD(tmp, 453 MC_VM_MX_L1_TLB_CNTL, 454 ENABLE_ADVANCED_DRIVER_MODEL, 455 0); 456 WREG32_SOC15_RLC(GC, GET_INST(GC, j), regMC_VM_MX_L1_TLB_CNTL, tmp); 457 458 /* Setup L2 cache */ 459 if (!amdgpu_sriov_vf(adev)) { 460 tmp = RREG32_SOC15(GC, GET_INST(GC, j), regVM_L2_CNTL); 461 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0); 462 WREG32_SOC15(GC, GET_INST(GC, j), regVM_L2_CNTL, tmp); 463 WREG32_SOC15(GC, GET_INST(GC, j), regVM_L2_CNTL3, 0); 464 } 465 } 466} 467 468static void gfxhub_v1_2_gart_disable(struct amdgpu_device *adev) 469{ 470 uint32_t xcc_mask; 471 472 xcc_mask = GENMASK(NUM_XCC(adev->gfx.xcc_mask) - 1, 0); 473 gfxhub_v1_2_xcc_gart_disable(adev, xcc_mask); 474} 475 476static void gfxhub_v1_2_xcc_set_fault_enable_default(struct amdgpu_device *adev, 477 bool value, 478 uint32_t xcc_mask) 479{ 480 u32 tmp; 481 int i; 482 483 for_each_inst(i, xcc_mask) { 484 tmp = RREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_CNTL); 485 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 486 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 487 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 488 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); 489 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 490 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value); 491 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 492 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value); 493 tmp = REG_SET_FIELD(tmp, 494 VM_L2_PROTECTION_FAULT_CNTL, 495 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT, 496 value); 497 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 498 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value); 499 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 500 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 501 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 502 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); 503 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 504 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); 505 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 506 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 507 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 508 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 509 if (!value) { 510 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 511 CRASH_ON_NO_RETRY_FAULT, 1); 512 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, 513 CRASH_ON_RETRY_FAULT, 1); 514 } 515 WREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_CNTL, tmp); 516 } 517} 518 519/** 520 * gfxhub_v1_2_set_fault_enable_default - update GART/VM fault handling 521 * 522 * @adev: amdgpu_device pointer 523 * @value: true redirects VM faults to the default page 524 */ 525static void gfxhub_v1_2_set_fault_enable_default(struct amdgpu_device *adev, 526 bool value) 527{ 528 uint32_t xcc_mask; 529 530 xcc_mask = GENMASK(NUM_XCC(adev->gfx.xcc_mask) - 1, 0); 531 gfxhub_v1_2_xcc_set_fault_enable_default(adev, value, xcc_mask); 532} 533 534static void gfxhub_v1_2_xcc_init(struct amdgpu_device *adev, uint32_t xcc_mask) 535{ 536 struct amdgpu_vmhub *hub; 537 int i; 538 539 for_each_inst(i, xcc_mask) { 540 hub = &adev->vmhub[AMDGPU_GFXHUB(i)]; 541 542 hub->ctx0_ptb_addr_lo32 = 543 SOC15_REG_OFFSET(GC, GET_INST(GC, i), 544 regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32); 545 hub->ctx0_ptb_addr_hi32 = 546 SOC15_REG_OFFSET(GC, GET_INST(GC, i), 547 regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32); 548 hub->vm_inv_eng0_sem = 549 SOC15_REG_OFFSET(GC, GET_INST(GC, i), regVM_INVALIDATE_ENG0_SEM); 550 hub->vm_inv_eng0_req = 551 SOC15_REG_OFFSET(GC, GET_INST(GC, i), regVM_INVALIDATE_ENG0_REQ); 552 hub->vm_inv_eng0_ack = 553 SOC15_REG_OFFSET(GC, GET_INST(GC, i), regVM_INVALIDATE_ENG0_ACK); 554 hub->vm_context0_cntl = 555 SOC15_REG_OFFSET(GC, GET_INST(GC, i), regVM_CONTEXT0_CNTL); 556 hub->vm_l2_pro_fault_status = 557 SOC15_REG_OFFSET(GC, GET_INST(GC, i), 558 regVM_L2_PROTECTION_FAULT_STATUS); 559 hub->vm_l2_pro_fault_cntl = 560 SOC15_REG_OFFSET(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_CNTL); 561 562 hub->ctx_distance = regVM_CONTEXT1_CNTL - 563 regVM_CONTEXT0_CNTL; 564 hub->ctx_addr_distance = 565 regVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 - 566 regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32; 567 hub->eng_distance = regVM_INVALIDATE_ENG1_REQ - 568 regVM_INVALIDATE_ENG0_REQ; 569 hub->eng_addr_distance = 570 regVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 - 571 regVM_INVALIDATE_ENG0_ADDR_RANGE_LO32; 572 } 573} 574 575static void gfxhub_v1_2_init(struct amdgpu_device *adev) 576{ 577 uint32_t xcc_mask; 578 579 xcc_mask = GENMASK(NUM_XCC(adev->gfx.xcc_mask) - 1, 0); 580 gfxhub_v1_2_xcc_init(adev, xcc_mask); 581} 582 583static int gfxhub_v1_2_get_xgmi_info(struct amdgpu_device *adev) 584{ 585 u32 max_num_physical_nodes; 586 u32 max_physical_node_id; 587 u32 xgmi_lfb_cntl; 588 u32 max_region; 589 u64 seg_size; 590 591 xgmi_lfb_cntl = RREG32_SOC15(GC, GET_INST(GC, 0), regMC_VM_XGMI_LFB_CNTL); 592 seg_size = REG_GET_FIELD( 593 RREG32_SOC15(GC, GET_INST(GC, 0), regMC_VM_XGMI_LFB_SIZE), 594 MC_VM_XGMI_LFB_SIZE, PF_LFB_SIZE) << 24; 595 max_region = 596 REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL, PF_MAX_REGION); 597 598 599 600 max_num_physical_nodes = 8; 601 max_physical_node_id = 7; 602 603 /* PF_MAX_REGION=0 means xgmi is disabled */ 604 if (max_region || adev->gmc.xgmi.connected_to_cpu) { 605 adev->gmc.xgmi.num_physical_nodes = max_region + 1; 606 607 if (adev->gmc.xgmi.num_physical_nodes > max_num_physical_nodes) 608 return -EINVAL; 609 610 adev->gmc.xgmi.physical_node_id = 611 REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL, 612 PF_LFB_REGION); 613 614 if (adev->gmc.xgmi.physical_node_id > max_physical_node_id) 615 return -EINVAL; 616 617 adev->gmc.xgmi.node_segment_size = seg_size; 618 } 619 620 return 0; 621} 622 623const struct amdgpu_gfxhub_funcs gfxhub_v1_2_funcs = { 624 .get_mc_fb_offset = gfxhub_v1_2_get_mc_fb_offset, 625 .setup_vm_pt_regs = gfxhub_v1_2_setup_vm_pt_regs, 626 .gart_enable = gfxhub_v1_2_gart_enable, 627 .gart_disable = gfxhub_v1_2_gart_disable, 628 .set_fault_enable_default = gfxhub_v1_2_set_fault_enable_default, 629 .init = gfxhub_v1_2_init, 630 .get_xgmi_info = gfxhub_v1_2_get_xgmi_info, 631}; 632 633static int gfxhub_v1_2_xcp_resume(void *handle, uint32_t inst_mask) 634{ 635 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 636 bool value; 637 638 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) 639 value = false; 640 else 641 value = true; 642 643 gfxhub_v1_2_xcc_set_fault_enable_default(adev, value, inst_mask); 644 645 if (!amdgpu_sriov_vf(adev)) 646 return gfxhub_v1_2_xcc_gart_enable(adev, inst_mask); 647 648 return 0; 649} 650 651static int gfxhub_v1_2_xcp_suspend(void *handle, uint32_t inst_mask) 652{ 653 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 654 655 if (!amdgpu_sriov_vf(adev)) 656 gfxhub_v1_2_xcc_gart_disable(adev, inst_mask); 657 658 return 0; 659} 660 661struct amdgpu_xcp_ip_funcs gfxhub_v1_2_xcp_funcs = { 662 .suspend = &gfxhub_v1_2_xcp_suspend, 663 .resume = &gfxhub_v1_2_xcp_resume 664}; 665