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1/*2 * Copyright 2023 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_v12_0.h"26 27#include "gc/gc_12_0_0_offset.h"28#include "gc/gc_12_0_0_sh_mask.h"29#include "soc24_enum.h"30#include "soc15_common.h"31 32#define regGCVM_L2_CNTL3_DEFAULT	0x8012000733#define regGCVM_L2_CNTL4_DEFAULT	0x000000c134#define regGCVM_L2_CNTL5_DEFAULT	0x00003fe035#define regGRBM_GFX_INDEX_DEFAULT	0xe000000036 37static const char *gfxhub_client_ids[] = {38	"CB",39	"DB",40	"GE1",41	"GE2",42	"CPF",43	"CPC",44	"CPG",45	"RLC",46	"TCP",47	"SQC (inst)",48	"SQC (data)",49	"SQG/PC/SC",50	"Reserved",51	"SDMA0",52	"SDMA1",53	"GCR",54	"Reserved",55	"Reserved",56	"WGS",57	"DSM",58	"PA"59};60 61static uint32_t gfxhub_v12_0_get_invalidate_req(unsigned int vmid,62					        uint32_t flush_type)63{64	u32 req = 0;65 66	/* invalidate using legacy mode on vmid*/67	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,68			    PER_VMID_INVALIDATE_REQ, 1 << vmid);69	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);70	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);71	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);72	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);73	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);74	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);75	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,76			    CLEAR_PROTECTION_FAULT_STATUS_ADDR,	0);77 78	return req;79}80 81static void82gfxhub_v12_0_print_l2_protection_fault_status(struct amdgpu_device *adev,83					      uint32_t status)84{85	u32 cid = REG_GET_FIELD(status,86				GCVM_L2_PROTECTION_FAULT_STATUS_LO32, CID);87 88	dev_err(adev->dev,89		"GCVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",90		status);91	dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",92		cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" : gfxhub_client_ids[cid],93		cid);94	dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",95		REG_GET_FIELD(status,96		GCVM_L2_PROTECTION_FAULT_STATUS_LO32, MORE_FAULTS));97	dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",98		REG_GET_FIELD(status,99		GCVM_L2_PROTECTION_FAULT_STATUS_LO32, WALKER_ERROR));100	dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",101		REG_GET_FIELD(status,102		GCVM_L2_PROTECTION_FAULT_STATUS_LO32, PERMISSION_FAULTS));103	dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",104		REG_GET_FIELD(status,105		GCVM_L2_PROTECTION_FAULT_STATUS_LO32, MAPPING_ERROR));106	dev_err(adev->dev, "\t RW: 0x%lx\n",107		REG_GET_FIELD(status,108		GCVM_L2_PROTECTION_FAULT_STATUS_LO32, RW));109}110 111static u64 gfxhub_v12_0_get_fb_location(struct amdgpu_device *adev)112{113	u64 base = RREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_BASE);114 115	base &= GCMC_VM_FB_LOCATION_BASE__FB_BASE_MASK;116	base <<= 24;117 118	return base;119}120 121static u64 gfxhub_v12_0_get_mc_fb_offset(struct amdgpu_device *adev)122{123	return (u64)RREG32_SOC15(GC, 0, regGCMC_VM_FB_OFFSET) << 24;124}125 126static void gfxhub_v12_0_setup_vm_pt_regs(struct amdgpu_device *adev,127					  uint32_t vmid,128					  uint64_t page_table_base)129{130	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];131 132	WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,133			    hub->ctx_addr_distance * vmid,134			    lower_32_bits(page_table_base));135 136	WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,137			    hub->ctx_addr_distance * vmid,138			    upper_32_bits(page_table_base));139}140 141static void gfxhub_v12_0_init_gart_aperture_regs(struct amdgpu_device *adev)142{143	uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);144 145	gfxhub_v12_0_setup_vm_pt_regs(adev, 0, pt_base);146 147	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,148		     (u32)(adev->gmc.gart_start >> 12));149	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,150		     (u32)(adev->gmc.gart_start >> 44));151 152	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,153		     (u32)(adev->gmc.gart_end >> 12));154	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,155		     (u32)(adev->gmc.gart_end >> 44));156}157 158static void gfxhub_v12_0_init_system_aperture_regs(struct amdgpu_device *adev)159{160	uint64_t value;161 162	/* Program the AGP BAR */163	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BASE, 0);164	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);165	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);166 167	/* Program the system aperture low logical page number. */168	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR,169		     min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);170	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR,171		     max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);172 173	/* Set default page address. */174	value = adev->mem_scratch.gpu_addr - adev->gmc.vram_start175		+ adev->vm_manager.vram_base_offset;176	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,177		     (u32)(value >> 12));178	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,179		     (u32)(value >> 44));180 181	/* Program "protection fault". */182	WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,183		     (u32)(adev->dummy_page_addr >> 12));184	WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,185		     (u32)((u64)adev->dummy_page_addr >> 44));186 187	WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_PROTECTION_FAULT_CNTL2,188		       ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);189}190 191 192static void gfxhub_v12_0_init_tlb_regs(struct amdgpu_device *adev)193{194	uint32_t tmp;195 196	/* Setup TLB control */197	tmp = RREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL);198 199	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);200	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);201	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,202			    ENABLE_ADVANCED_DRIVER_MODEL, 1);203	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,204			    SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);205	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);206	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,207			    MTYPE, MTYPE_UC); /* UC, uncached */208 209	WREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, tmp);210}211 212static void gfxhub_v12_0_init_cache_regs(struct amdgpu_device *adev)213{214	uint32_t tmp;215 216	/* These registers are not accessible to VF-SRIOV.217	 * The PF will program them instead.218	 */219	if (amdgpu_sriov_vf(adev))220		return;221 222	/* Setup L2 cache */223	tmp = RREG32_SOC15(GC, 0, regGCVM_L2_CNTL);224	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_CACHE, 1);225	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);226	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,227			    ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);228	/* XXX for emulation, Refer to closed source code.*/229	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,230			    L2_PDE0_CACHE_TAG_GENERATION_MODE, 0);231	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);232	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);233	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);234	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL, tmp);235 236	tmp = RREG32_SOC15(GC, 0, regGCVM_L2_CNTL2);237	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);238	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);239	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL2, tmp);240 241	tmp = regGCVM_L2_CNTL3_DEFAULT;242	if (adev->gmc.translate_further) {243		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 12);244		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,245				    L2_CACHE_BIGK_FRAGMENT_SIZE, 9);246	} else {247		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 9);248		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,249				    L2_CACHE_BIGK_FRAGMENT_SIZE, 6);250	}251	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL3, tmp);252 253	tmp = regGCVM_L2_CNTL4_DEFAULT;254	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);255	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);256	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL4, tmp);257 258	tmp = regGCVM_L2_CNTL5_DEFAULT;259	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);260	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL5, tmp);261}262 263static void gfxhub_v12_0_enable_system_domain(struct amdgpu_device *adev)264{265	uint32_t tmp;266 267	tmp = RREG32_SOC15(GC, 0, regGCVM_CONTEXT0_CNTL);268	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);269	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);270	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL,271			    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);272	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_CNTL, tmp);273}274 275static void gfxhub_v12_0_disable_identity_aperture(struct amdgpu_device *adev)276{277	/* These registers are not accessible to VF-SRIOV.278	 * The PF will program them instead.279	 */280	if (amdgpu_sriov_vf(adev))281		return;282 283	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,284		     0xFFFFFFFF);285	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,286		     0x0000000F);287 288	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,289		     0);290	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,291		     0);292 293	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);294	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);295 296}297 298static void gfxhub_v12_0_setup_vmid_config(struct amdgpu_device *adev)299{300	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];301	int i;302	uint32_t tmp;303 304	for (i = 0; i <= 14; i++) {305		tmp = RREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL, i);306		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);307		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,308				    adev->vm_manager.num_level);309		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,310				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);311		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,312				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);313		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,314				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);315		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,316				VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);317		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,318				READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);319		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,320				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);321		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,322				EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);323		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,324				PAGE_TABLE_BLOCK_SIZE,325				adev->vm_manager.block_size - 9);326		/* Send no-retry XNACK on fault to suppress VM fault storm. */327		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,328				    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,329				    !amdgpu_noretry);330		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL,331				    i * hub->ctx_distance, tmp);332		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,333				    i * hub->ctx_addr_distance, 0);334		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,335				    i * hub->ctx_addr_distance, 0);336		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,337				    i * hub->ctx_addr_distance,338				    lower_32_bits(adev->vm_manager.max_pfn - 1));339		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,340				    i * hub->ctx_addr_distance,341				    upper_32_bits(adev->vm_manager.max_pfn - 1));342	}343 344	hub->vm_cntx_cntl = tmp;345}346 347static void gfxhub_v12_0_program_invalidation(struct amdgpu_device *adev)348{349	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];350	unsigned i;351 352	for (i = 0 ; i < 18; ++i) {353		WREG32_SOC15_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,354				    i * hub->eng_addr_distance, 0xffffffff);355		WREG32_SOC15_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,356				    i * hub->eng_addr_distance, 0x1f);357	}358}359 360static int gfxhub_v12_0_gart_enable(struct amdgpu_device *adev)361{362	if (amdgpu_sriov_vf(adev)) {363		/*364		 * GCMC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are365		 * VF copy registers so vbios post doesn't program them, for366		 * SRIOV driver need to program them367		 */368		WREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_BASE,369			     adev->gmc.vram_start >> 24);370		WREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_TOP,371			     adev->gmc.vram_end >> 24);372	}373 374	/* GART Enable. */375	gfxhub_v12_0_init_gart_aperture_regs(adev);376	gfxhub_v12_0_init_system_aperture_regs(adev);377	gfxhub_v12_0_init_tlb_regs(adev);378	gfxhub_v12_0_init_cache_regs(adev);379 380	gfxhub_v12_0_enable_system_domain(adev);381	gfxhub_v12_0_disable_identity_aperture(adev);382	gfxhub_v12_0_setup_vmid_config(adev);383	gfxhub_v12_0_program_invalidation(adev);384 385	return 0;386}387 388static void gfxhub_v12_0_gart_disable(struct amdgpu_device *adev)389{390	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];391	u32 tmp;392	u32 i;393 394	/* Disable all tables */395	for (i = 0; i < 16; i++)396		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_CNTL,397				    i * hub->ctx_distance, 0);398 399	/* Setup TLB control */400	tmp = RREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL);401	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);402	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,403			    ENABLE_ADVANCED_DRIVER_MODEL, 0);404	WREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, tmp);405 406	/* Setup L2 cache */407	WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0);408	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL3, 0);409}410 411/**412 * gfxhub_v12_0_set_fault_enable_default - update GART/VM fault handling413 *414 * @adev: amdgpu_device pointer415 * @value: true redirects VM faults to the default page416 */417static void gfxhub_v12_0_set_fault_enable_default(struct amdgpu_device *adev,418						  bool value)419{420	u32 tmp;421 422	/* NO halt CP when page fault */423	tmp = RREG32_SOC15(GC, 0, regCP_DEBUG);424	tmp = REG_SET_FIELD(tmp, CP_DEBUG, CPG_UTCL1_ERROR_HALT_DISABLE, 1);425	WREG32_SOC15(GC, 0, regCP_DEBUG, tmp);426 427	/* These registers are not accessible to VF-SRIOV.428	 * The PF will program them instead.429	 */430	if (amdgpu_sriov_vf(adev))431		return;432 433	tmp = RREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL);434	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,435			    RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);436	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,437			    PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);438	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,439			    PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);440	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,441			    PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);442	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,443			    TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,444			    value);445	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,446			    NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);447	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,448			    DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);449	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,450			    VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);451	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,452			    READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);453	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,454			    WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);455	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,456			    EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);457	if (!value) {458		tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,459				CRASH_ON_NO_RETRY_FAULT, 1);460		tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,461				CRASH_ON_RETRY_FAULT, 1);462	}463	WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL, tmp);464}465 466static const struct amdgpu_vmhub_funcs gfxhub_v12_0_vmhub_funcs = {467	.print_l2_protection_fault_status = gfxhub_v12_0_print_l2_protection_fault_status,468	.get_invalidate_req = gfxhub_v12_0_get_invalidate_req,469};470 471static void gfxhub_v12_0_init(struct amdgpu_device *adev)472{473	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];474 475	hub->ctx0_ptb_addr_lo32 =476		SOC15_REG_OFFSET(GC, 0,477				 regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);478	hub->ctx0_ptb_addr_hi32 =479		SOC15_REG_OFFSET(GC, 0,480				 regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);481	hub->vm_inv_eng0_sem =482		SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_SEM);483	hub->vm_inv_eng0_req =484		SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_REQ);485	hub->vm_inv_eng0_ack =486		SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ACK);487	hub->vm_context0_cntl =488		SOC15_REG_OFFSET(GC, 0, regGCVM_CONTEXT0_CNTL);489	hub->vm_l2_pro_fault_status =490		SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_STATUS_LO32);491	hub->vm_l2_pro_fault_cntl =492		SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL);493 494	hub->ctx_distance = regGCVM_CONTEXT1_CNTL - regGCVM_CONTEXT0_CNTL;495	hub->ctx_addr_distance = regGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -496		regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;497	hub->eng_distance = regGCVM_INVALIDATE_ENG1_REQ -498		regGCVM_INVALIDATE_ENG0_REQ;499	hub->eng_addr_distance = regGCVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -500		regGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;501 502	hub->vm_cntx_cntl_vm_fault = GCVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |503		GCVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |504		GCVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |505		GCVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |506		GCVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |507		GCVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |508		GCVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;509 510	hub->vmhub_funcs = &gfxhub_v12_0_vmhub_funcs;511}512 513const struct amdgpu_gfxhub_funcs gfxhub_v12_0_funcs = {514	.get_fb_location = gfxhub_v12_0_get_fb_location,515	.get_mc_fb_offset = gfxhub_v12_0_get_mc_fb_offset,516	.setup_vm_pt_regs = gfxhub_v12_0_setup_vm_pt_regs,517	.gart_enable = gfxhub_v12_0_gart_enable,518	.gart_disable = gfxhub_v12_0_gart_disable,519	.set_fault_enable_default = gfxhub_v12_0_set_fault_enable_default,520	.init = gfxhub_v12_0_init,521};522