···11+/*22+ * Copyright 2023 Advanced Micro Devices, Inc.33+ *44+ * Permission is hereby granted, free of charge, to any person obtaining a55+ * copy of this software and associated documentation files (the "Software"),66+ * to deal in the Software without restriction, including without limitation77+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,88+ * and/or sell copies of the Software, and to permit persons to whom the99+ * Software is furnished to do so, subject to the following conditions:1010+ *1111+ * The above copyright notice and this permission notice shall be included in1212+ * all copies or substantial portions of the Software.1313+ *1414+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR1515+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,1616+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL1717+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR1818+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,1919+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR2020+ * OTHER DEALINGS IN THE SOFTWARE.2121+ *2222+ */2323+2424+#include "amdgpu.h"2525+#include "gfxhub_v11_5_0.h"2626+2727+#include "gc/gc_11_5_0_offset.h"2828+#include "gc/gc_11_5_0_sh_mask.h"2929+3030+#include "navi10_enum.h"3131+#include "soc15_common.h"3232+3333+#define regGCVM_L2_CNTL3_DEFAULT 0x801000073434+#define regGCVM_L2_CNTL4_DEFAULT 0x000000c13535+#define regGCVM_L2_CNTL5_DEFAULT 0x00003fe03636+3737+3838+static const char *gfxhub_client_ids[] = {3939+ "CB/DB",4040+ "Reserved",4141+ "GE1",4242+ "GE2",4343+ "CPF",4444+ "CPC",4545+ "CPG",4646+ "RLC",4747+ "TCP",4848+ "SQC (inst)",4949+ "SQC (data)",5050+ "SQG",5151+ "Reserved",5252+ "SDMA0",5353+ "SDMA1",5454+ "GCR",5555+ "SDMA2",5656+ "SDMA3",5757+};5858+5959+static uint32_t gfxhub_v11_5_0_get_invalidate_req(unsigned int vmid,6060+ uint32_t flush_type)6161+{6262+ u32 req = 0;6363+6464+ /* invalidate using legacy mode on vmid*/6565+ req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,6666+ PER_VMID_INVALIDATE_REQ, 1 << vmid);6767+ req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);6868+ req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);6969+ req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);7070+ req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);7171+ req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);7272+ req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);7373+ req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,7474+ CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0);7575+7676+ return req;7777+}7878+7979+static void8080+gfxhub_v11_5_0_print_l2_protection_fault_status(struct amdgpu_device *adev,8181+ uint32_t status)8282+{8383+ u32 cid = REG_GET_FIELD(status,8484+ GCVM_L2_PROTECTION_FAULT_STATUS, CID);8585+8686+ dev_err(adev->dev,8787+ "GCVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",8888+ status);8989+ dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",9090+ cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" : gfxhub_client_ids[cid],9191+ cid);9292+ dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",9393+ REG_GET_FIELD(status,9494+ GCVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));9595+ dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",9696+ REG_GET_FIELD(status,9797+ GCVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));9898+ dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",9999+ REG_GET_FIELD(status,100100+ GCVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));101101+ dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",102102+ REG_GET_FIELD(status,103103+ GCVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));104104+ dev_err(adev->dev, "\t RW: 0x%lx\n",105105+ REG_GET_FIELD(status,106106+ GCVM_L2_PROTECTION_FAULT_STATUS, RW));107107+}108108+109109+static u64 gfxhub_v11_5_0_get_fb_location(struct amdgpu_device *adev)110110+{111111+ u64 base = RREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_BASE);112112+113113+ base &= GCMC_VM_FB_LOCATION_BASE__FB_BASE_MASK;114114+ base <<= 24;115115+116116+ return base;117117+}118118+119119+static u64 gfxhub_v11_5_0_get_mc_fb_offset(struct amdgpu_device *adev)120120+{121121+ return (u64)RREG32_SOC15(GC, 0, regGCMC_VM_FB_OFFSET) << 24;122122+}123123+124124+static void gfxhub_v11_5_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,125125+ uint64_t page_table_base)126126+{127127+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];128128+129129+ WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,130130+ hub->ctx_addr_distance * vmid,131131+ lower_32_bits(page_table_base));132132+133133+ WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,134134+ hub->ctx_addr_distance * vmid,135135+ upper_32_bits(page_table_base));136136+}137137+138138+static void gfxhub_v11_5_0_init_gart_aperture_regs(struct amdgpu_device *adev)139139+{140140+ uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);141141+142142+ gfxhub_v11_5_0_setup_vm_pt_regs(adev, 0, pt_base);143143+144144+ WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,145145+ (u32)(adev->gmc.gart_start >> 12));146146+ WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,147147+ (u32)(adev->gmc.gart_start >> 44));148148+149149+ WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,150150+ (u32)(adev->gmc.gart_end >> 12));151151+ WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,152152+ (u32)(adev->gmc.gart_end >> 44));153153+}154154+155155+static void gfxhub_v11_5_0_init_system_aperture_regs(struct amdgpu_device *adev)156156+{157157+ uint64_t value;158158+159159+ WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BASE, 0);160160+ WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);161161+ WREG32_SOC15(GC, 0, regGCMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);162162+163163+ /* Program the system aperture low logical page number. */164164+ WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR,165165+ min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);166166+167167+ WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR,168168+ max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);169169+170170+ /* Set default page address. */171171+ value = adev->mem_scratch.gpu_addr - adev->gmc.vram_start172172+ + adev->vm_manager.vram_base_offset;173173+ WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,174174+ (u32)(value >> 12));175175+ WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,176176+ (u32)(value >> 44));177177+178178+ /* Program "protection fault". */179179+ WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,180180+ (u32)(adev->dummy_page_addr >> 12));181181+ WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,182182+ (u32)((u64)adev->dummy_page_addr >> 44));183183+184184+ WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_PROTECTION_FAULT_CNTL2,185185+ ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);186186+}187187+188188+static void gfxhub_v11_5_0_init_tlb_regs(struct amdgpu_device *adev)189189+{190190+ uint32_t tmp;191191+192192+ /* Setup TLB control */193193+ tmp = RREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL);194194+195195+ tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);196196+ tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);197197+ tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,198198+ ENABLE_ADVANCED_DRIVER_MODEL, 1);199199+ tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,200200+ SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);201201+ tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);202202+ tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,203203+ MTYPE, MTYPE_UC); /* UC, uncached */204204+205205+ WREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, tmp);206206+}207207+208208+static void gfxhub_v11_5_0_init_cache_regs(struct amdgpu_device *adev)209209+{210210+ uint32_t tmp;211211+212212+ /* These registers are not accessible to VF-SRIOV.213213+ * The PF will program them instead.214214+ */215215+ if (amdgpu_sriov_vf(adev))216216+ return;217217+218218+ /* Setup L2 cache */219219+ tmp = RREG32_SOC15(GC, 0, regGCVM_L2_CNTL);220220+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_CACHE, 1);221221+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);222222+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,223223+ ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);224224+ /* XXX for emulation, Refer to closed source code.*/225225+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,226226+ L2_PDE0_CACHE_TAG_GENERATION_MODE, 0);227227+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);228228+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);229229+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);230230+ WREG32_SOC15(GC, 0, regGCVM_L2_CNTL, tmp);231231+232232+ tmp = RREG32_SOC15(GC, 0, regGCVM_L2_CNTL2);233233+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);234234+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);235235+ WREG32_SOC15(GC, 0, regGCVM_L2_CNTL2, tmp);236236+237237+ tmp = regGCVM_L2_CNTL3_DEFAULT;238238+ if (adev->gmc.translate_further) {239239+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 12);240240+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,241241+ L2_CACHE_BIGK_FRAGMENT_SIZE, 9);242242+ } else {243243+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 9);244244+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,245245+ L2_CACHE_BIGK_FRAGMENT_SIZE, 6);246246+ }247247+ WREG32_SOC15(GC, 0, regGCVM_L2_CNTL3, tmp);248248+249249+ tmp = regGCVM_L2_CNTL4_DEFAULT;250250+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);251251+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);252252+ WREG32_SOC15(GC, 0, regGCVM_L2_CNTL4, tmp);253253+254254+ tmp = regGCVM_L2_CNTL5_DEFAULT;255255+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);256256+ WREG32_SOC15(GC, 0, regGCVM_L2_CNTL5, tmp);257257+}258258+259259+static void gfxhub_v11_5_0_enable_system_domain(struct amdgpu_device *adev)260260+{261261+ uint32_t tmp;262262+263263+ tmp = RREG32_SOC15(GC, 0, regGCVM_CONTEXT0_CNTL);264264+ tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);265265+ tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);266266+ tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL,267267+ RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);268268+ WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_CNTL, tmp);269269+}270270+271271+static void gfxhub_v11_5_0_disable_identity_aperture(struct amdgpu_device *adev)272272+{273273+ /* These registers are not accessible to VF-SRIOV.274274+ * The PF will program them instead.275275+ */276276+ if (amdgpu_sriov_vf(adev))277277+ return;278278+279279+ WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,280280+ 0xFFFFFFFF);281281+ WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,282282+ 0x0000000F);283283+284284+ WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,285285+ 0);286286+ WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,287287+ 0);288288+289289+ WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);290290+ WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);291291+292292+}293293+294294+static void gfxhub_v11_5_0_setup_vmid_config(struct amdgpu_device *adev)295295+{296296+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];297297+ int i;298298+ uint32_t tmp;299299+300300+ for (i = 0; i <= 14; i++) {301301+ tmp = RREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL, i);302302+ tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);303303+ tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,304304+ adev->vm_manager.num_level);305305+ tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,306306+ RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);307307+ tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,308308+ DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);309309+ tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,310310+ PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);311311+ tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,312312+ VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);313313+ tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,314314+ READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);315315+ tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,316316+ WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);317317+ tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,318318+ EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);319319+ tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,320320+ PAGE_TABLE_BLOCK_SIZE,321321+ adev->vm_manager.block_size - 9);322322+ /* Send no-retry XNACK on fault to suppress VM fault storm. */323323+ tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,324324+ RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,325325+ !amdgpu_noretry);326326+ WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL,327327+ i * hub->ctx_distance, tmp);328328+ WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,329329+ i * hub->ctx_addr_distance, 0);330330+ WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,331331+ i * hub->ctx_addr_distance, 0);332332+ WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,333333+ i * hub->ctx_addr_distance,334334+ lower_32_bits(adev->vm_manager.max_pfn - 1));335335+ WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,336336+ i * hub->ctx_addr_distance,337337+ upper_32_bits(adev->vm_manager.max_pfn - 1));338338+ }339339+340340+ hub->vm_cntx_cntl = tmp;341341+}342342+343343+static void gfxhub_v11_5_0_program_invalidation(struct amdgpu_device *adev)344344+{345345+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];346346+ unsigned i;347347+348348+ for (i = 0 ; i < 18; ++i) {349349+ WREG32_SOC15_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,350350+ i * hub->eng_addr_distance, 0xffffffff);351351+ WREG32_SOC15_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,352352+ i * hub->eng_addr_distance, 0x1f);353353+ }354354+}355355+356356+static int gfxhub_v11_5_0_gart_enable(struct amdgpu_device *adev)357357+{358358+ if (amdgpu_sriov_vf(adev)) {359359+ /*360360+ * GCMC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are361361+ * VF copy registers so vbios post doesn't program them, for362362+ * SRIOV driver need to program them363363+ */364364+ WREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_BASE,365365+ adev->gmc.vram_start >> 24);366366+ WREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_TOP,367367+ adev->gmc.vram_end >> 24);368368+ }369369+370370+ /* GART Enable. */371371+ gfxhub_v11_5_0_init_gart_aperture_regs(adev);372372+ gfxhub_v11_5_0_init_system_aperture_regs(adev);373373+ gfxhub_v11_5_0_init_tlb_regs(adev);374374+ gfxhub_v11_5_0_init_cache_regs(adev);375375+376376+ gfxhub_v11_5_0_enable_system_domain(adev);377377+ gfxhub_v11_5_0_disable_identity_aperture(adev);378378+ gfxhub_v11_5_0_setup_vmid_config(adev);379379+ gfxhub_v11_5_0_program_invalidation(adev);380380+381381+ return 0;382382+}383383+384384+static void gfxhub_v11_5_0_gart_disable(struct amdgpu_device *adev)385385+{386386+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];387387+ u32 tmp;388388+ u32 i;389389+390390+ /* Disable all tables */391391+ for (i = 0; i < 16; i++)392392+ WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_CNTL,393393+ i * hub->ctx_distance, 0);394394+395395+ /* Setup TLB control */396396+ tmp = RREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL);397397+ tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);398398+ tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,399399+ ENABLE_ADVANCED_DRIVER_MODEL, 0);400400+ WREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, tmp);401401+402402+ /* Setup L2 cache */403403+ WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0);404404+ WREG32_SOC15(GC, 0, regGCVM_L2_CNTL3, 0);405405+}406406+407407+/**408408+ * gfxhub_v11_5_0_set_fault_enable_default - update GART/VM fault handling409409+ *410410+ * @adev: amdgpu_device pointer411411+ * @value: true redirects VM faults to the default page412412+ */413413+static void gfxhub_v11_5_0_set_fault_enable_default(struct amdgpu_device *adev,414414+ bool value)415415+{416416+ u32 tmp;417417+418418+ /* NO halt CP when page fault */419419+ tmp = RREG32_SOC15(GC, 0, regCP_DEBUG);420420+ tmp = REG_SET_FIELD(tmp, CP_DEBUG, CPG_UTCL1_ERROR_HALT_DISABLE, 1);421421+ WREG32_SOC15(GC, 0, regCP_DEBUG, tmp);422422+423423+ /* These registers are not accessible to VF-SRIOV.424424+ * The PF will program them instead.425425+ */426426+ if (amdgpu_sriov_vf(adev))427427+ return;428428+429429+ tmp = RREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL);430430+ tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,431431+ RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);432432+ tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,433433+ PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);434434+ tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,435435+ PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);436436+ tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,437437+ PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);438438+ tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,439439+ TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,440440+ value);441441+ tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,442442+ NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);443443+ tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,444444+ DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);445445+ tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,446446+ VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);447447+ tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,448448+ READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);449449+ tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,450450+ WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);451451+ tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,452452+ EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);453453+ if (!value) {454454+ tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,455455+ CRASH_ON_NO_RETRY_FAULT, 1);456456+ tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,457457+ CRASH_ON_RETRY_FAULT, 1);458458+ }459459+ WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL, tmp);460460+}461461+462462+static const struct amdgpu_vmhub_funcs gfxhub_v11_5_0_vmhub_funcs = {463463+ .print_l2_protection_fault_status = gfxhub_v11_5_0_print_l2_protection_fault_status,464464+ .get_invalidate_req = gfxhub_v11_5_0_get_invalidate_req,465465+};466466+467467+static void gfxhub_v11_5_0_init(struct amdgpu_device *adev)468468+{469469+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];470470+471471+ hub->ctx0_ptb_addr_lo32 =472472+ SOC15_REG_OFFSET(GC, 0,473473+ regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);474474+ hub->ctx0_ptb_addr_hi32 =475475+ SOC15_REG_OFFSET(GC, 0,476476+ regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);477477+ hub->vm_inv_eng0_sem =478478+ SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_SEM);479479+ hub->vm_inv_eng0_req =480480+ SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_REQ);481481+ hub->vm_inv_eng0_ack =482482+ SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ACK);483483+ hub->vm_context0_cntl =484484+ SOC15_REG_OFFSET(GC, 0, regGCVM_CONTEXT0_CNTL);485485+ hub->vm_l2_pro_fault_status =486486+ SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_STATUS);487487+ hub->vm_l2_pro_fault_cntl =488488+ SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL);489489+490490+ hub->ctx_distance = regGCVM_CONTEXT1_CNTL - regGCVM_CONTEXT0_CNTL;491491+ hub->ctx_addr_distance = regGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -492492+ regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;493493+ hub->eng_distance = regGCVM_INVALIDATE_ENG1_REQ -494494+ regGCVM_INVALIDATE_ENG0_REQ;495495+ hub->eng_addr_distance = regGCVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -496496+ regGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;497497+498498+ hub->vm_cntx_cntl_vm_fault = GCVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |499499+ GCVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |500500+ GCVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |501501+ GCVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |502502+ GCVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |503503+ GCVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |504504+ GCVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;505505+506506+ hub->vmhub_funcs = &gfxhub_v11_5_0_vmhub_funcs;507507+}508508+509509+const struct amdgpu_gfxhub_funcs gfxhub_v11_5_0_funcs = {510510+ .get_fb_location = gfxhub_v11_5_0_get_fb_location,511511+ .get_mc_fb_offset = gfxhub_v11_5_0_get_mc_fb_offset,512512+ .setup_vm_pt_regs = gfxhub_v11_5_0_setup_vm_pt_regs,513513+ .gart_enable = gfxhub_v11_5_0_gart_enable,514514+ .gart_disable = gfxhub_v11_5_0_gart_disable,515515+ .set_fault_enable_default = gfxhub_v11_5_0_set_fault_enable_default,516516+ .init = gfxhub_v11_5_0_init,517517+};
+29
drivers/gpu/drm/amd/amdgpu/gfxhub_v11_5_0.h
···11+/*22+ * Copyright 2023 Advanced Micro Devices, Inc.33+ *44+ * Permission is hereby granted, free of charge, to any person obtaining a55+ * copy of this software and associated documentation files (the "Software"),66+ * to deal in the Software without restriction, including without limitation77+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,88+ * and/or sell copies of the Software, and to permit persons to whom the99+ * Software is furnished to do so, subject to the following conditions:1010+ *1111+ * The above copyright notice and this permission notice shall be included in1212+ * all copies or substantial portions of the Software.1313+ *1414+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR1515+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,1616+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL1717+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR1818+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,1919+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR2020+ * OTHER DEALINGS IN THE SOFTWARE.2121+ *2222+ */2323+2424+#ifndef __GFXHUB_V11_5_0_H__2525+#define __GFXHUB_V11_5_0_H__2626+2727+extern const struct amdgpu_gfxhub_funcs gfxhub_v11_5_0_funcs;2828+2929+#endif