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1/*2 * Copyright 2022 Advanced Micro Devices, Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 */23 24#include "amdgpu.h"25#include "gfxhub_v3_0_3.h"26 27#include "gc/gc_11_0_3_offset.h"28#include "gc/gc_11_0_3_sh_mask.h"29#include "navi10_enum.h"30#include "soc15_common.h"31 32#define regGCVM_L2_CNTL3_DEFAULT		0x8010000733#define regGCVM_L2_CNTL4_DEFAULT		0x000000c134#define regGCVM_L2_CNTL5_DEFAULT		0x00003fe035 36static const char * const gfxhub_client_ids[] = {37	"CB/DB",38	"Reserved",39	"GE1",40	"GE2",41	"CPF",42	"CPC",43	"CPG",44	"RLC",45	"TCP",46	"SQC (inst)",47	"SQC (data)",48	"SQG",49	"Reserved",50	"SDMA0",51	"SDMA1",52	"GCR",53	"SDMA2",54	"SDMA3",55};56 57static uint32_t gfxhub_v3_0_3_get_invalidate_req(unsigned int vmid,58					       uint32_t flush_type)59{60	u32 req = 0;61 62	/* invalidate using legacy mode on vmid*/63	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,64			    PER_VMID_INVALIDATE_REQ, 1 << vmid);65	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);66	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);67	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);68	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);69	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);70	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);71	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,72			    CLEAR_PROTECTION_FAULT_STATUS_ADDR,	0);73 74	return req;75}76 77static void78gfxhub_v3_0_3_print_l2_protection_fault_status(struct amdgpu_device *adev,79					     uint32_t status)80{81	u32 cid = REG_GET_FIELD(status,82				GCVM_L2_PROTECTION_FAULT_STATUS, CID);83 84	dev_err(adev->dev,85		"GCVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",86		status);87	dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",88		cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" : gfxhub_client_ids[cid],89		cid);90	dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",91		REG_GET_FIELD(status,92		GCVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));93	dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",94		REG_GET_FIELD(status,95		GCVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));96	dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",97		REG_GET_FIELD(status,98		GCVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));99	dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",100		REG_GET_FIELD(status,101		GCVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));102	dev_err(adev->dev, "\t RW: 0x%lx\n",103		REG_GET_FIELD(status,104		GCVM_L2_PROTECTION_FAULT_STATUS, RW));105}106 107static u64 gfxhub_v3_0_3_get_fb_location(struct amdgpu_device *adev)108{109	u64 base = RREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_BASE);110 111	base &= GCMC_VM_FB_LOCATION_BASE__FB_BASE_MASK;112	base <<= 24;113 114	return base;115}116 117static u64 gfxhub_v3_0_3_get_mc_fb_offset(struct amdgpu_device *adev)118{119	return (u64)RREG32_SOC15(GC, 0, regGCMC_VM_FB_OFFSET) << 24;120}121 122static void gfxhub_v3_0_3_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,123				uint64_t page_table_base)124{125	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];126 127	WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,128			    hub->ctx_addr_distance * vmid,129			    lower_32_bits(page_table_base));130 131	WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,132			    hub->ctx_addr_distance * vmid,133			    upper_32_bits(page_table_base));134}135 136static void gfxhub_v3_0_3_init_gart_aperture_regs(struct amdgpu_device *adev)137{138	uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);139 140	gfxhub_v3_0_3_setup_vm_pt_regs(adev, 0, pt_base);141 142	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,143		     (u32)(adev->gmc.gart_start >> 12));144	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,145		     (u32)(adev->gmc.gart_start >> 44));146 147	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,148		     (u32)(adev->gmc.gart_end >> 12));149	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,150		     (u32)(adev->gmc.gart_end >> 44));151}152 153static void gfxhub_v3_0_3_init_system_aperture_regs(struct amdgpu_device *adev)154{155	uint64_t value;156 157	if (amdgpu_sriov_vf(adev))158		return;159 160	/* Disable AGP. */161	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BASE, 0);162	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);163	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);164 165	/* Program the system aperture low logical page number. */166	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR,167		     min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);168	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR,169		     max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);170 171	/* Set default page address. */172	value = amdgpu_gmc_vram_mc2pa(adev, adev->mem_scratch.gpu_addr);173	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,174		     (u32)(value >> 12));175	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,176		     (u32)(value >> 44));177 178	/* Program "protection fault". */179	WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,180		     (u32)(adev->dummy_page_addr >> 12));181	WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,182		     (u32)((u64)adev->dummy_page_addr >> 44));183 184	WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_PROTECTION_FAULT_CNTL2,185		       ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);186}187 188 189static void gfxhub_v3_0_3_init_tlb_regs(struct amdgpu_device *adev)190{191	uint32_t tmp;192 193	/* Setup TLB control */194	tmp = RREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL);195 196	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);197	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);198	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,199			    ENABLE_ADVANCED_DRIVER_MODEL, 1);200	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,201			    SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);202	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);203	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,204			    MTYPE, MTYPE_UC); /* UC, uncached */205 206	WREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, tmp);207}208 209static void gfxhub_v3_0_3_init_cache_regs(struct amdgpu_device *adev)210{211	uint32_t tmp;212 213	/* These registers are not accessible to VF-SRIOV.214	 * The PF will program them instead.215	 */216	if (amdgpu_sriov_vf(adev))217		return;218 219	/* Setup L2 cache */220	tmp = RREG32_SOC15(GC, 0, regGCVM_L2_CNTL);221	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_CACHE, 1);222	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);223	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,224			    ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);225	/* XXX for emulation, Refer to closed source code.*/226	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,227			    L2_PDE0_CACHE_TAG_GENERATION_MODE, 0);228	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);229	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);230	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);231	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL, tmp);232 233	tmp = RREG32_SOC15(GC, 0, regGCVM_L2_CNTL2);234	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);235	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);236	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL2, tmp);237 238	tmp = regGCVM_L2_CNTL3_DEFAULT;239	if (adev->gmc.translate_further) {240		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 12);241		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,242				    L2_CACHE_BIGK_FRAGMENT_SIZE, 9);243	} else {244		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 9);245		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,246				    L2_CACHE_BIGK_FRAGMENT_SIZE, 6);247	}248	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL3, tmp);249 250	tmp = regGCVM_L2_CNTL4_DEFAULT;251	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);252	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);253	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL4, tmp);254 255	tmp = regGCVM_L2_CNTL5_DEFAULT;256	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);257	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL5, tmp);258}259 260static void gfxhub_v3_0_3_enable_system_domain(struct amdgpu_device *adev)261{262	uint32_t tmp;263 264	tmp = RREG32_SOC15(GC, 0, regGCVM_CONTEXT0_CNTL);265	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);266	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);267	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL,268			    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);269	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_CNTL, tmp);270}271 272static void gfxhub_v3_0_3_disable_identity_aperture(struct amdgpu_device *adev)273{274	/* These registers are not accessible to VF-SRIOV.275	 * The PF will program them instead.276	 */277	if (amdgpu_sriov_vf(adev))278		return;279 280	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,281		     0xFFFFFFFF);282	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,283		     0x0000000F);284 285	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,286		     0);287	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,288		     0);289 290	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);291	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);292 293}294 295static void gfxhub_v3_0_3_setup_vmid_config(struct amdgpu_device *adev)296{297	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];298	int i;299	uint32_t tmp;300 301	for (i = 0; i <= 14; i++) {302		tmp = RREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL, i * hub->ctx_distance);303		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);304		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,305				    adev->vm_manager.num_level);306		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,307				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);308		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,309				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);310		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,311				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);312		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,313				VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);314		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,315				READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);316		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,317				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);318		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,319				EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);320		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,321				PAGE_TABLE_BLOCK_SIZE,322				adev->vm_manager.block_size - 9);323		/* Send no-retry XNACK on fault to suppress VM fault storm. */324		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,325				    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,326				    !amdgpu_noretry);327		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL,328				    i * hub->ctx_distance, tmp);329		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,330				    i * hub->ctx_addr_distance, 0);331		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,332				    i * hub->ctx_addr_distance, 0);333		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,334				    i * hub->ctx_addr_distance,335				    lower_32_bits(adev->vm_manager.max_pfn - 1));336		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,337				    i * hub->ctx_addr_distance,338				    upper_32_bits(adev->vm_manager.max_pfn - 1));339	}340 341	hub->vm_cntx_cntl = tmp;342}343 344static void gfxhub_v3_0_3_program_invalidation(struct amdgpu_device *adev)345{346	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];347	unsigned int i;348 349	for (i = 0 ; i < 18; ++i) {350		WREG32_SOC15_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,351				    i * hub->eng_addr_distance, 0xffffffff);352		WREG32_SOC15_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,353				    i * hub->eng_addr_distance, 0x1f);354	}355}356 357static int gfxhub_v3_0_3_gart_enable(struct amdgpu_device *adev)358{359	/* GART Enable. */360	gfxhub_v3_0_3_init_gart_aperture_regs(adev);361	gfxhub_v3_0_3_init_system_aperture_regs(adev);362	gfxhub_v3_0_3_init_tlb_regs(adev);363	gfxhub_v3_0_3_init_cache_regs(adev);364 365	gfxhub_v3_0_3_enable_system_domain(adev);366	gfxhub_v3_0_3_disable_identity_aperture(adev);367	gfxhub_v3_0_3_setup_vmid_config(adev);368	gfxhub_v3_0_3_program_invalidation(adev);369 370	return 0;371}372 373static void gfxhub_v3_0_3_gart_disable(struct amdgpu_device *adev)374{375	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];376	u32 tmp;377	u32 i;378 379	/* Disable all tables */380	for (i = 0; i < 16; i++)381		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_CNTL,382				    i * hub->ctx_distance, 0);383 384	/* Setup TLB control */385	tmp = RREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL);386	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);387	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,388			    ENABLE_ADVANCED_DRIVER_MODEL, 0);389	WREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, tmp);390 391	/* Setup L2 cache */392	WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0);393	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL3, 0);394}395 396/**397 * gfxhub_v3_0_3_set_fault_enable_default - update GART/VM fault handling398 *399 * @adev: amdgpu_device pointer400 * @value: true redirects VM faults to the default page401 */402static void gfxhub_v3_0_3_set_fault_enable_default(struct amdgpu_device *adev,403					  bool value)404{405	u32 tmp;406 407	/* These registers are not accessible to VF-SRIOV.408	 * The PF will program them instead.409	 */410	if (amdgpu_sriov_vf(adev))411		return;412 413	tmp = RREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL);414	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,415			    RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);416	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,417			    PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);418	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,419			    PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);420	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,421			    PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);422	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,423			    TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,424			    value);425	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,426			    NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);427	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,428			    DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);429	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,430			    VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);431	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,432			    READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);433	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,434			    WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);435	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,436			    EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);437	if (!value) {438		tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,439				CRASH_ON_NO_RETRY_FAULT, 1);440		tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,441				CRASH_ON_RETRY_FAULT, 1);442	}443	WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL, tmp);444}445 446static const struct amdgpu_vmhub_funcs gfxhub_v3_0_3_vmhub_funcs = {447	.print_l2_protection_fault_status = gfxhub_v3_0_3_print_l2_protection_fault_status,448	.get_invalidate_req = gfxhub_v3_0_3_get_invalidate_req,449};450 451static void gfxhub_v3_0_3_init(struct amdgpu_device *adev)452{453	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];454 455	hub->ctx0_ptb_addr_lo32 =456		SOC15_REG_OFFSET(GC, 0,457				 regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);458	hub->ctx0_ptb_addr_hi32 =459		SOC15_REG_OFFSET(GC, 0,460				 regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);461	hub->vm_inv_eng0_sem =462		SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_SEM);463	hub->vm_inv_eng0_req =464		SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_REQ);465	hub->vm_inv_eng0_ack =466		SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ACK);467	hub->vm_context0_cntl =468		SOC15_REG_OFFSET(GC, 0, regGCVM_CONTEXT0_CNTL);469	hub->vm_l2_pro_fault_status =470		SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_STATUS);471	hub->vm_l2_pro_fault_cntl =472		SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL);473 474	hub->ctx_distance = regGCVM_CONTEXT1_CNTL - regGCVM_CONTEXT0_CNTL;475	hub->ctx_addr_distance = regGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -476		regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;477	hub->eng_distance = regGCVM_INVALIDATE_ENG1_REQ -478		regGCVM_INVALIDATE_ENG0_REQ;479	hub->eng_addr_distance = regGCVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -480		regGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;481 482	hub->vm_cntx_cntl_vm_fault = GCVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |483		GCVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |484		GCVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |485		GCVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |486		GCVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |487		GCVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |488		GCVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;489 490	hub->vmhub_funcs = &gfxhub_v3_0_3_vmhub_funcs;491}492 493const struct amdgpu_gfxhub_funcs gfxhub_v3_0_3_funcs = {494	.get_fb_location = gfxhub_v3_0_3_get_fb_location,495	.get_mc_fb_offset = gfxhub_v3_0_3_get_mc_fb_offset,496	.setup_vm_pt_regs = gfxhub_v3_0_3_setup_vm_pt_regs,497	.gart_enable = gfxhub_v3_0_3_gart_enable,498	.gart_disable = gfxhub_v3_0_3_gart_disable,499	.set_fault_enable_default = gfxhub_v3_0_3_set_fault_enable_default,500	.init = gfxhub_v3_0_3_init,501};502