diff options
author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2018-10-08 21:28:05 +0200 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-10-17 00:30:02 +0200 |
commit | 44dd3ffa7bb31126e0fc4f6f30398546eb494388 (patch) | |
tree | 39b059882ee455fa9ed4c5e40dbe8ad9c536eafc /arch/x86/kvm | |
parent | 0e0a53c551317654e2d7885fdfd23299fee99b6b (diff) | |
download | linux-stable-44dd3ffa7bb31126e0fc4f6f30398546eb494388.tar.gz linux-stable-44dd3ffa7bb31126e0fc4f6f30398546eb494388.tar.bz2 linux-stable-44dd3ffa7bb31126e0fc4f6f30398546eb494388.zip |
x86/kvm/mmu: make vcpu->mmu a pointer to the current MMU
As a preparation to full MMU split between L1 and L2 make vcpu->arch.mmu
a pointer to the currently used mmu. For now, this is always
vcpu->arch.root_mmu. No functional change.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r-- | arch/x86/kvm/mmu.c | 165 | ||||
-rw-r--r-- | arch/x86/kvm/mmu.h | 8 | ||||
-rw-r--r-- | arch/x86/kvm/mmu_audit.c | 12 | ||||
-rw-r--r-- | arch/x86/kvm/paging_tmpl.h | 15 | ||||
-rw-r--r-- | arch/x86/kvm/svm.c | 14 | ||||
-rw-r--r-- | arch/x86/kvm/vmx.c | 15 | ||||
-rw-r--r-- | arch/x86/kvm/x86.c | 20 |
7 files changed, 126 insertions, 123 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index b383e8432649..dac9e977c703 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2181,7 +2181,7 @@ static bool __kvm_sync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, struct list_head *invalid_list) { if (sp->role.cr4_pae != !!is_pae(vcpu) - || vcpu->arch.mmu.sync_page(vcpu, sp) == 0) { + || vcpu->arch.mmu->sync_page(vcpu, sp) == 0) { kvm_mmu_prepare_zap_page(vcpu->kvm, sp, invalid_list); return false; } @@ -2375,14 +2375,14 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, int collisions = 0; LIST_HEAD(invalid_list); - role = vcpu->arch.mmu.base_role; + role = vcpu->arch.mmu->base_role; role.level = level; role.direct = direct; if (role.direct) role.cr4_pae = 0; role.access = access; - if (!vcpu->arch.mmu.direct_map - && vcpu->arch.mmu.root_level <= PT32_ROOT_LEVEL) { + if (!vcpu->arch.mmu->direct_map + && vcpu->arch.mmu->root_level <= PT32_ROOT_LEVEL) { quadrant = gaddr >> (PAGE_SHIFT + (PT64_PT_BITS * level)); quadrant &= (1 << ((PT32_PT_BITS - PT64_PT_BITS) * level)) - 1; role.quadrant = quadrant; @@ -2457,11 +2457,11 @@ static void shadow_walk_init_using_root(struct kvm_shadow_walk_iterator *iterato { iterator->addr = addr; iterator->shadow_addr = root; - iterator->level = vcpu->arch.mmu.shadow_root_level; + iterator->level = vcpu->arch.mmu->shadow_root_level; if (iterator->level == PT64_ROOT_4LEVEL && - vcpu->arch.mmu.root_level < PT64_ROOT_4LEVEL && - !vcpu->arch.mmu.direct_map) + vcpu->arch.mmu->root_level < PT64_ROOT_4LEVEL && + !vcpu->arch.mmu->direct_map) --iterator->level; if (iterator->level == PT32E_ROOT_LEVEL) { @@ -2469,10 +2469,10 @@ static void shadow_walk_init_using_root(struct kvm_shadow_walk_iterator *iterato * prev_root is currently only used for 64-bit hosts. So only * the active root_hpa is valid here. */ - BUG_ON(root != vcpu->arch.mmu.root_hpa); + BUG_ON(root != vcpu->arch.mmu->root_hpa); iterator->shadow_addr - = vcpu->arch.mmu.pae_root[(addr >> 30) & 3]; + = vcpu->arch.mmu->pae_root[(addr >> 30) & 3]; iterator->shadow_addr &= PT64_BASE_ADDR_MASK; --iterator->level; if (!iterator->shadow_addr) @@ -2483,7 +2483,7 @@ static void shadow_walk_init_using_root(struct kvm_shadow_walk_iterator *iterato static void shadow_walk_init(struct kvm_shadow_walk_iterator *iterator, struct kvm_vcpu *vcpu, u64 addr) { - shadow_walk_init_using_root(iterator, vcpu, vcpu->arch.mmu.root_hpa, + shadow_walk_init_using_root(iterator, vcpu, vcpu->arch.mmu->root_hpa, addr); } @@ -3095,7 +3095,7 @@ static int __direct_map(struct kvm_vcpu *vcpu, int write, int map_writable, int emulate = 0; gfn_t pseudo_gfn; - if (!VALID_PAGE(vcpu->arch.mmu.root_hpa)) + if (!VALID_PAGE(vcpu->arch.mmu->root_hpa)) return 0; for_each_shadow_entry(vcpu, (u64)gfn << PAGE_SHIFT, iterator) { @@ -3310,7 +3310,7 @@ static bool fast_page_fault(struct kvm_vcpu *vcpu, gva_t gva, int level, u64 spte = 0ull; uint retry_count = 0; - if (!VALID_PAGE(vcpu->arch.mmu.root_hpa)) + if (!VALID_PAGE(vcpu->arch.mmu->root_hpa)) return false; if (!page_fault_can_be_fast(error_code)) @@ -3484,7 +3484,7 @@ void kvm_mmu_free_roots(struct kvm_vcpu *vcpu, ulong roots_to_free) { int i; LIST_HEAD(invalid_list); - struct kvm_mmu *mmu = &vcpu->arch.mmu; + struct kvm_mmu *mmu = vcpu->arch.mmu; bool free_active_root = roots_to_free & KVM_MMU_ROOT_CURRENT; BUILD_BUG_ON(KVM_MMU_NUM_PREV_ROOTS >= BITS_PER_LONG); @@ -3544,20 +3544,20 @@ static int mmu_alloc_direct_roots(struct kvm_vcpu *vcpu) struct kvm_mmu_page *sp; unsigned i; - if (vcpu->arch.mmu.shadow_root_level >= PT64_ROOT_4LEVEL) { + if (vcpu->arch.mmu->shadow_root_level >= PT64_ROOT_4LEVEL) { spin_lock(&vcpu->kvm->mmu_lock); if(make_mmu_pages_available(vcpu) < 0) { spin_unlock(&vcpu->kvm->mmu_lock); return -ENOSPC; } sp = kvm_mmu_get_page(vcpu, 0, 0, - vcpu->arch.mmu.shadow_root_level, 1, ACC_ALL); + vcpu->arch.mmu->shadow_root_level, 1, ACC_ALL); ++sp->root_count; spin_unlock(&vcpu->kvm->mmu_lock); - vcpu->arch.mmu.root_hpa = __pa(sp->spt); - } else if (vcpu->arch.mmu.shadow_root_level == PT32E_ROOT_LEVEL) { + vcpu->arch.mmu->root_hpa = __pa(sp->spt); + } else if (vcpu->arch.mmu->shadow_root_level == PT32E_ROOT_LEVEL) { for (i = 0; i < 4; ++i) { - hpa_t root = vcpu->arch.mmu.pae_root[i]; + hpa_t root = vcpu->arch.mmu->pae_root[i]; MMU_WARN_ON(VALID_PAGE(root)); spin_lock(&vcpu->kvm->mmu_lock); @@ -3570,9 +3570,9 @@ static int mmu_alloc_direct_roots(struct kvm_vcpu *vcpu) root = __pa(sp->spt); ++sp->root_count; spin_unlock(&vcpu->kvm->mmu_lock); - vcpu->arch.mmu.pae_root[i] = root | PT_PRESENT_MASK; + vcpu->arch.mmu->pae_root[i] = root | PT_PRESENT_MASK; } - vcpu->arch.mmu.root_hpa = __pa(vcpu->arch.mmu.pae_root); + vcpu->arch.mmu->root_hpa = __pa(vcpu->arch.mmu->pae_root); } else BUG(); @@ -3586,7 +3586,7 @@ static int mmu_alloc_shadow_roots(struct kvm_vcpu *vcpu) gfn_t root_gfn; int i; - root_gfn = vcpu->arch.mmu.get_cr3(vcpu) >> PAGE_SHIFT; + root_gfn = vcpu->arch.mmu->get_cr3(vcpu) >> PAGE_SHIFT; if (mmu_check_root(vcpu, root_gfn)) return 1; @@ -3595,8 +3595,8 @@ static int mmu_alloc_shadow_roots(struct kvm_vcpu *vcpu) * Do we shadow a long mode page table? If so we need to * write-protect the guests page table root. */ - if (vcpu->arch.mmu.root_level >= PT64_ROOT_4LEVEL) { - hpa_t root = vcpu->arch.mmu.root_hpa; + if (vcpu->arch.mmu->root_level >= PT64_ROOT_4LEVEL) { + hpa_t root = vcpu->arch.mmu->root_hpa; MMU_WARN_ON(VALID_PAGE(root)); @@ -3606,11 +3606,11 @@ static int mmu_alloc_shadow_roots(struct kvm_vcpu *vcpu) return -ENOSPC; } sp = kvm_mmu_get_page(vcpu, root_gfn, 0, - vcpu->arch.mmu.shadow_root_level, 0, ACC_ALL); + vcpu->arch.mmu->shadow_root_level, 0, ACC_ALL); root = __pa(sp->spt); ++sp->root_count; spin_unlock(&vcpu->kvm->mmu_lock); - vcpu->arch.mmu.root_hpa = root; + vcpu->arch.mmu->root_hpa = root; return 0; } @@ -3620,17 +3620,17 @@ static int mmu_alloc_shadow_roots(struct kvm_vcpu *vcpu) * the shadow page table may be a PAE or a long mode page table. */ pm_mask = PT_PRESENT_MASK; - if (vcpu->arch.mmu.shadow_root_level == PT64_ROOT_4LEVEL) + if (vcpu->arch.mmu->shadow_root_level == PT64_ROOT_4LEVEL) pm_mask |= PT_ACCESSED_MASK | PT_WRITABLE_MASK | PT_USER_MASK; for (i = 0; i < 4; ++i) { - hpa_t root = vcpu->arch.mmu.pae_root[i]; + hpa_t root = vcpu->arch.mmu->pae_root[i]; MMU_WARN_ON(VALID_PAGE(root)); - if (vcpu->arch.mmu.root_level == PT32E_ROOT_LEVEL) { - pdptr = vcpu->arch.mmu.get_pdptr(vcpu, i); + if (vcpu->arch.mmu->root_level == PT32E_ROOT_LEVEL) { + pdptr = vcpu->arch.mmu->get_pdptr(vcpu, i); if (!(pdptr & PT_PRESENT_MASK)) { - vcpu->arch.mmu.pae_root[i] = 0; + vcpu->arch.mmu->pae_root[i] = 0; continue; } root_gfn = pdptr >> PAGE_SHIFT; @@ -3648,16 +3648,16 @@ static int mmu_alloc_shadow_roots(struct kvm_vcpu *vcpu) ++sp->root_count; spin_unlock(&vcpu->kvm->mmu_lock); - vcpu->arch.mmu.pae_root[i] = root | pm_mask; + vcpu->arch.mmu->pae_root[i] = root | pm_mask; } - vcpu->arch.mmu.root_hpa = __pa(vcpu->arch.mmu.pae_root); + vcpu->arch.mmu->root_hpa = __pa(vcpu->arch.mmu->pae_root); /* * If we shadow a 32 bit page table with a long mode page * table we enter this path. */ - if (vcpu->arch.mmu.shadow_root_level == PT64_ROOT_4LEVEL) { - if (vcpu->arch.mmu.lm_root == NULL) { + if (vcpu->arch.mmu->shadow_root_level == PT64_ROOT_4LEVEL) { + if (vcpu->arch.mmu->lm_root == NULL) { /* * The additional page necessary for this is only * allocated on demand. @@ -3669,12 +3669,12 @@ static int mmu_alloc_shadow_roots(struct kvm_vcpu *vcpu) if (lm_root == NULL) return 1; - lm_root[0] = __pa(vcpu->arch.mmu.pae_root) | pm_mask; + lm_root[0] = __pa(vcpu->arch.mmu->pae_root) | pm_mask; - vcpu->arch.mmu.lm_root = lm_root; + vcpu->arch.mmu->lm_root = lm_root; } - vcpu->arch.mmu.root_hpa = __pa(vcpu->arch.mmu.lm_root); + vcpu->arch.mmu->root_hpa = __pa(vcpu->arch.mmu->lm_root); } return 0; @@ -3682,7 +3682,7 @@ static int mmu_alloc_shadow_roots(struct kvm_vcpu *vcpu) static int mmu_alloc_roots(struct kvm_vcpu *vcpu) { - if (vcpu->arch.mmu.direct_map) + if (vcpu->arch.mmu->direct_map) return mmu_alloc_direct_roots(vcpu); else return mmu_alloc_shadow_roots(vcpu); @@ -3693,17 +3693,16 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu) int i; struct kvm_mmu_page *sp; - if (vcpu->arch.mmu.direct_map) + if (vcpu->arch.mmu->direct_map) return; - if (!VALID_PAGE(vcpu->arch.mmu.root_hpa)) + if (!VALID_PAGE(vcpu->arch.mmu->root_hpa)) return; vcpu_clear_mmio_info(vcpu, MMIO_GVA_ANY); - if (vcpu->arch.mmu.root_level >= PT64_ROOT_4LEVEL) { - hpa_t root = vcpu->arch.mmu.root_hpa; - + if (vcpu->arch.mmu->root_level >= PT64_ROOT_4LEVEL) { + hpa_t root = vcpu->arch.mmu->root_hpa; sp = page_header(root); /* @@ -3734,7 +3733,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu) kvm_mmu_audit(vcpu, AUDIT_PRE_SYNC); for (i = 0; i < 4; ++i) { - hpa_t root = vcpu->arch.mmu.pae_root[i]; + hpa_t root = vcpu->arch.mmu->pae_root[i]; if (root && VALID_PAGE(root)) { root &= PT64_BASE_ADDR_MASK; @@ -3808,7 +3807,7 @@ walk_shadow_page_get_mmio_spte(struct kvm_vcpu *vcpu, u64 addr, u64 *sptep) int root, leaf; bool reserved = false; - if (!VALID_PAGE(vcpu->arch.mmu.root_hpa)) + if (!VALID_PAGE(vcpu->arch.mmu->root_hpa)) goto exit; walk_shadow_page_lockless_begin(vcpu); @@ -3825,7 +3824,7 @@ walk_shadow_page_get_mmio_spte(struct kvm_vcpu *vcpu, u64 addr, u64 *sptep) if (!is_shadow_present_pte(spte)) break; - reserved |= is_shadow_zero_bits_set(&vcpu->arch.mmu, spte, + reserved |= is_shadow_zero_bits_set(vcpu->arch.mmu, spte, iterator.level); } @@ -3904,7 +3903,7 @@ static void shadow_page_table_clear_flood(struct kvm_vcpu *vcpu, gva_t addr) struct kvm_shadow_walk_iterator iterator; u64 spte; - if (!VALID_PAGE(vcpu->arch.mmu.root_hpa)) + if (!VALID_PAGE(vcpu->arch.mmu->root_hpa)) return; walk_shadow_page_lockless_begin(vcpu); @@ -3931,7 +3930,7 @@ static int nonpaging_page_fault(struct kvm_vcpu *vcpu, gva_t gva, if (r) return r; - MMU_WARN_ON(!VALID_PAGE(vcpu->arch.mmu.root_hpa)); + MMU_WARN_ON(!VALID_PAGE(vcpu->arch.mmu->root_hpa)); return nonpaging_map(vcpu, gva & PAGE_MASK, @@ -3944,8 +3943,8 @@ static int kvm_arch_setup_async_pf(struct kvm_vcpu *vcpu, gva_t gva, gfn_t gfn) arch.token = (vcpu->arch.apf.id++ << 12) | vcpu->vcpu_id; arch.gfn = gfn; - arch.direct_map = vcpu->arch.mmu.direct_map; - arch.cr3 = vcpu->arch.mmu.get_cr3(vcpu); + arch.direct_map = vcpu->arch.mmu->direct_map; + arch.cr3 = vcpu->arch.mmu->get_cr3(vcpu); return kvm_setup_async_pf(vcpu, gva, kvm_vcpu_gfn_to_hva(vcpu, gfn), &arch); } @@ -4051,7 +4050,7 @@ static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa, u32 error_code, int write = error_code & PFERR_WRITE_MASK; bool map_writable; - MMU_WARN_ON(!VALID_PAGE(vcpu->arch.mmu.root_hpa)); + MMU_WARN_ON(!VALID_PAGE(vcpu->arch.mmu->root_hpa)); if (page_fault_handle_page_track(vcpu, error_code, gfn)) return RET_PF_EMULATE; @@ -4127,7 +4126,7 @@ static bool cached_root_available(struct kvm_vcpu *vcpu, gpa_t new_cr3, { uint i; struct kvm_mmu_root_info root; - struct kvm_mmu *mmu = &vcpu->arch.mmu; + struct kvm_mmu *mmu = vcpu->arch.mmu; root.cr3 = mmu->get_cr3(vcpu); root.hpa = mmu->root_hpa; @@ -4150,7 +4149,7 @@ static bool fast_cr3_switch(struct kvm_vcpu *vcpu, gpa_t new_cr3, union kvm_mmu_page_role new_role, bool skip_tlb_flush) { - struct kvm_mmu *mmu = &vcpu->arch.mmu; + struct kvm_mmu *mmu = vcpu->arch.mmu; /* * For now, limit the fast switch to 64-bit hosts+VMs in order to avoid @@ -4219,7 +4218,7 @@ static unsigned long get_cr3(struct kvm_vcpu *vcpu) static void inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault) { - vcpu->arch.mmu.inject_page_fault(vcpu, fault); + vcpu->arch.mmu->inject_page_fault(vcpu, fault); } static bool sync_mmio_spte(struct kvm_vcpu *vcpu, u64 *sptep, gfn_t gfn, @@ -4740,7 +4739,7 @@ kvm_calc_tdp_mmu_root_page_role(struct kvm_vcpu *vcpu) static void init_kvm_tdp_mmu(struct kvm_vcpu *vcpu) { - struct kvm_mmu *context = &vcpu->arch.mmu; + struct kvm_mmu *context = vcpu->arch.mmu; context->base_role.word = mmu_base_role_mask.word & kvm_calc_tdp_mmu_root_page_role(vcpu).word; @@ -4812,7 +4811,7 @@ kvm_calc_shadow_mmu_root_page_role(struct kvm_vcpu *vcpu) void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu) { - struct kvm_mmu *context = &vcpu->arch.mmu; + struct kvm_mmu *context = vcpu->arch.mmu; if (!is_paging(vcpu)) nonpaging_init_context(vcpu, context); @@ -4832,7 +4831,7 @@ EXPORT_SYMBOL_GPL(kvm_init_shadow_mmu); static union kvm_mmu_page_role kvm_calc_shadow_ept_root_page_role(struct kvm_vcpu *vcpu, bool accessed_dirty) { - union kvm_mmu_page_role role = vcpu->arch.mmu.base_role; + union kvm_mmu_page_role role = vcpu->arch.mmu->base_role; role.level = PT64_ROOT_4LEVEL; role.direct = false; @@ -4846,7 +4845,7 @@ kvm_calc_shadow_ept_root_page_role(struct kvm_vcpu *vcpu, bool accessed_dirty) void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, bool execonly, bool accessed_dirty, gpa_t new_eptp) { - struct kvm_mmu *context = &vcpu->arch.mmu; + struct kvm_mmu *context = vcpu->arch.mmu; union kvm_mmu_page_role root_page_role = kvm_calc_shadow_ept_root_page_role(vcpu, accessed_dirty); @@ -4873,7 +4872,7 @@ EXPORT_SYMBOL_GPL(kvm_init_shadow_ept_mmu); static void init_kvm_softmmu(struct kvm_vcpu *vcpu) { - struct kvm_mmu *context = &vcpu->arch.mmu; + struct kvm_mmu *context = vcpu->arch.mmu; kvm_init_shadow_mmu(vcpu); context->set_cr3 = kvm_x86_ops->set_cr3; @@ -4891,7 +4890,7 @@ static void init_kvm_nested_mmu(struct kvm_vcpu *vcpu) g_context->inject_page_fault = kvm_inject_page_fault; /* - * Note that arch.mmu.gva_to_gpa translates l2_gpa to l1_gpa using + * Note that arch.mmu->gva_to_gpa translates l2_gpa to l1_gpa using * L1's nested page tables (e.g. EPT12). The nested translation * of l2_gva to l1_gpa is done by arch.nested_mmu.gva_to_gpa using * L2's page tables as the first level of translation and L1's @@ -4930,10 +4929,10 @@ void kvm_init_mmu(struct kvm_vcpu *vcpu, bool reset_roots) if (reset_roots) { uint i; - vcpu->arch.mmu.root_hpa = INVALID_PAGE; + vcpu->arch.mmu->root_hpa = INVALID_PAGE; for (i = 0; i < KVM_MMU_NUM_PREV_ROOTS; i++) - vcpu->arch.mmu.prev_roots[i] = KVM_MMU_ROOT_INFO_INVALID; + vcpu->arch.mmu->prev_roots[i] = KVM_MMU_ROOT_INFO_INVALID; } if (mmu_is_nested(vcpu)) @@ -4982,7 +4981,7 @@ EXPORT_SYMBOL_GPL(kvm_mmu_load); void kvm_mmu_unload(struct kvm_vcpu *vcpu) { kvm_mmu_free_roots(vcpu, KVM_MMU_ROOTS_ALL); - WARN_ON(VALID_PAGE(vcpu->arch.mmu.root_hpa)); + WARN_ON(VALID_PAGE(vcpu->arch.mmu->root_hpa)); } EXPORT_SYMBOL_GPL(kvm_mmu_unload); @@ -4996,7 +4995,7 @@ static void mmu_pte_write_new_pte(struct kvm_vcpu *vcpu, } ++vcpu->kvm->stat.mmu_pte_updated; - vcpu->arch.mmu.update_pte(vcpu, sp, spte, new); + vcpu->arch.mmu->update_pte(vcpu, sp, spte, new); } static bool need_remote_flush(u64 old, u64 new) @@ -5176,7 +5175,7 @@ static void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, entry = *spte; mmu_page_zap_pte(vcpu->kvm, sp, spte); if (gentry && - !((sp->role.word ^ vcpu->arch.mmu.base_role.word) + !((sp->role.word ^ vcpu->arch.mmu->base_role.word) & mmu_base_role_mask.word) && rmap_can_add(vcpu)) mmu_pte_write_new_pte(vcpu, sp, spte, &gentry); if (need_remote_flush(entry, *spte)) @@ -5194,7 +5193,7 @@ int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva) gpa_t gpa; int r; - if (vcpu->arch.mmu.direct_map) + if (vcpu->arch.mmu->direct_map) return 0; gpa = kvm_mmu_gva_to_gpa_read(vcpu, gva, NULL); @@ -5230,10 +5229,10 @@ int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t cr2, u64 error_code, { int r, emulation_type = 0; enum emulation_result er; - bool direct = vcpu->arch.mmu.direct_map; + bool direct = vcpu->arch.mmu->direct_map; /* With shadow page tables, fault_address contains a GVA or nGPA. */ - if (vcpu->arch.mmu.direct_map) { + if (vcpu->arch.mmu->direct_map) { vcpu->arch.gpa_available = true; vcpu->arch.gpa_val = cr2; } @@ -5246,8 +5245,9 @@ int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t cr2, u64 error_code, } if (r == RET_PF_INVALID) { - r = vcpu->arch.mmu.page_fault(vcpu, cr2, lower_32_bits(error_code), - false); + r = vcpu->arch.mmu->page_fault(vcpu, cr2, + lower_32_bits(error_code), + false); WARN_ON(r == RET_PF_INVALID); } @@ -5263,7 +5263,7 @@ int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t cr2, u64 error_code, * paging in both guests. If true, we simply unprotect the page * and resume the guest. */ - if (vcpu->arch.mmu.direct_map && + if (vcpu->arch.mmu->direct_map && (error_code & PFERR_NESTED_GUEST_PAGE) == PFERR_NESTED_GUEST_PAGE) { kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(cr2)); return 1; @@ -5311,7 +5311,7 @@ EXPORT_SYMBOL_GPL(kvm_mmu_page_fault); void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva) { - struct kvm_mmu *mmu = &vcpu->arch.mmu; + struct kvm_mmu *mmu = vcpu->arch.mmu; int i; /* INVLPG on a * non-canonical address is a NOP according to the SDM. */ @@ -5342,7 +5342,7 @@ EXPORT_SYMBOL_GPL(kvm_mmu_invlpg); void kvm_mmu_invpcid_gva(struct kvm_vcpu *vcpu, gva_t gva, unsigned long pcid) { - struct kvm_mmu *mmu = &vcpu->arch.mmu; + struct kvm_mmu *mmu = vcpu->arch.mmu; bool tlb_flush = false; uint i; @@ -5386,8 +5386,8 @@ EXPORT_SYMBOL_GPL(kvm_disable_tdp); static void free_mmu_pages(struct kvm_vcpu *vcpu) { - free_page((unsigned long)vcpu->arch.mmu.pae_root); - free_page((unsigned long)vcpu->arch.mmu.lm_root); + free_page((unsigned long)vcpu->arch.mmu->pae_root); + free_page((unsigned long)vcpu->arch.mmu->lm_root); } static int alloc_mmu_pages(struct kvm_vcpu *vcpu) @@ -5407,9 +5407,9 @@ static int alloc_mmu_pages(struct kvm_vcpu *vcpu) if (!page) return -ENOMEM; - vcpu->arch.mmu.pae_root = page_address(page); + vcpu->arch.mmu->pae_root = page_address(page); for (i = 0; i < 4; ++i) - vcpu->arch.mmu.pae_root[i] = INVALID_PAGE; + vcpu->arch.mmu->pae_root[i] = INVALID_PAGE; return 0; } @@ -5418,20 +5418,21 @@ int kvm_mmu_create(struct kvm_vcpu *vcpu) { uint i; - vcpu->arch.walk_mmu = &vcpu->arch.mmu; - vcpu->arch.mmu.root_hpa = INVALID_PAGE; - vcpu->arch.mmu.translate_gpa = translate_gpa; + vcpu->arch.mmu = &vcpu->arch.root_mmu; + vcpu->arch.walk_mmu = &vcpu->arch.root_mmu; + vcpu->arch.root_mmu.root_hpa = INVALID_PAGE; + vcpu->arch.root_mmu.translate_gpa = translate_gpa; vcpu->arch.nested_mmu.translate_gpa = translate_nested_gpa; for (i = 0; i < KVM_MMU_NUM_PREV_ROOTS; i++) - vcpu->arch.mmu.prev_roots[i] = KVM_MMU_ROOT_INFO_INVALID; + vcpu->arch.root_mmu.prev_roots[i] = KVM_MMU_ROOT_INFO_INVALID; return alloc_mmu_pages(vcpu); } void kvm_mmu_setup(struct kvm_vcpu *vcpu) { - MMU_WARN_ON(VALID_PAGE(vcpu->arch.mmu.root_hpa)); + MMU_WARN_ON(VALID_PAGE(vcpu->arch.mmu->root_hpa)); /* * kvm_mmu_setup() is called only on vCPU initialization. diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h index 99d549905311..c7b333147c4a 100644 --- a/arch/x86/kvm/mmu.h +++ b/arch/x86/kvm/mmu.h @@ -75,7 +75,7 @@ static inline unsigned int kvm_mmu_available_pages(struct kvm *kvm) static inline int kvm_mmu_reload(struct kvm_vcpu *vcpu) { - if (likely(vcpu->arch.mmu.root_hpa != INVALID_PAGE)) + if (likely(vcpu->arch.mmu->root_hpa != INVALID_PAGE)) return 0; return kvm_mmu_load(vcpu); @@ -97,9 +97,9 @@ static inline unsigned long kvm_get_active_pcid(struct kvm_vcpu *vcpu) static inline void kvm_mmu_load_cr3(struct kvm_vcpu *vcpu) { - if (VALID_PAGE(vcpu->arch.mmu.root_hpa)) - vcpu->arch.mmu.set_cr3(vcpu, vcpu->arch.mmu.root_hpa | - kvm_get_active_pcid(vcpu)); + if (VALID_PAGE(vcpu->arch.mmu->root_hpa)) + vcpu->arch.mmu->set_cr3(vcpu, vcpu->arch.mmu->root_hpa | + kvm_get_active_pcid(vcpu)); } /* diff --git a/arch/x86/kvm/mmu_audit.c b/arch/x86/kvm/mmu_audit.c index 1272861e77b9..abac7e208853 100644 --- a/arch/x86/kvm/mmu_audit.c +++ b/arch/x86/kvm/mmu_audit.c @@ -59,19 +59,19 @@ static void mmu_spte_walk(struct kvm_vcpu *vcpu, inspect_spte_fn fn) int i; struct kvm_mmu_page *sp; - if (!VALID_PAGE(vcpu->arch.mmu.root_hpa)) + if (!VALID_PAGE(vcpu->arch.mmu->root_hpa)) return; - if (vcpu->arch.mmu.root_level >= PT64_ROOT_4LEVEL) { - hpa_t root = vcpu->arch.mmu.root_hpa; + if (vcpu->arch.mmu->root_level >= PT64_ROOT_4LEVEL) { + hpa_t root = vcpu->arch.mmu->root_hpa; sp = page_header(root); - __mmu_spte_walk(vcpu, sp, fn, vcpu->arch.mmu.root_level); + __mmu_spte_walk(vcpu, sp, fn, vcpu->arch.mmu->root_level); return; } for (i = 0; i < 4; ++i) { - hpa_t root = vcpu->arch.mmu.pae_root[i]; + hpa_t root = vcpu->arch.mmu->pae_root[i]; if (root && VALID_PAGE(root)) { root &= PT64_BASE_ADDR_MASK; @@ -122,7 +122,7 @@ static void audit_mappings(struct kvm_vcpu *vcpu, u64 *sptep, int level) hpa = pfn << PAGE_SHIFT; if ((*sptep & PT64_BASE_ADDR_MASK) != hpa) audit_printk(vcpu->kvm, "levels %d pfn %llx hpa %llx " - "ent %llxn", vcpu->arch.mmu.root_level, pfn, + "ent %llxn", vcpu->arch.mmu->root_level, pfn, hpa, *sptep); } diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index 14ffd973df54..7cf2185b7eb5 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -158,14 +158,15 @@ static bool FNAME(prefetch_invalid_gpte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, u64 *spte, u64 gpte) { - if (is_rsvd_bits_set(&vcpu->arch.mmu, gpte, PT_PAGE_TABLE_LEVEL)) + if (is_rsvd_bits_set(vcpu->arch.mmu, gpte, PT_PAGE_TABLE_LEVEL)) goto no_present; if (!FNAME(is_present_gpte)(gpte)) goto no_present; /* if accessed bit is not supported prefetch non accessed gpte */ - if (PT_HAVE_ACCESSED_DIRTY(&vcpu->arch.mmu) && !(gpte & PT_GUEST_ACCESSED_MASK)) + if (PT_HAVE_ACCESSED_DIRTY(vcpu->arch.mmu) && + !(gpte & PT_GUEST_ACCESSED_MASK)) goto no_present; return false; @@ -480,7 +481,7 @@ error: static int FNAME(walk_addr)(struct guest_walker *walker, struct kvm_vcpu *vcpu, gva_t addr, u32 access) { - return FNAME(walk_addr_generic)(walker, vcpu, &vcpu->arch.mmu, addr, + return FNAME(walk_addr_generic)(walker, vcpu, vcpu->arch.mmu, addr, access); } @@ -509,7 +510,7 @@ FNAME(prefetch_gpte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, gfn = gpte_to_gfn(gpte); pte_access = sp->role.access & FNAME(gpte_access)(gpte); - FNAME(protect_clean_gpte)(&vcpu->arch.mmu, &pte_access, gpte); + FNAME(protect_clean_gpte)(vcpu->arch.mmu, &pte_access, gpte); pfn = pte_prefetch_gfn_to_pfn(vcpu, gfn, no_dirty_log && (pte_access & ACC_WRITE_MASK)); if (is_error_pfn(pfn)) @@ -604,7 +605,7 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, direct_access = gw->pte_access; - top_level = vcpu->arch.mmu.root_level; + top_level = vcpu->arch.mmu->root_level; if (top_level == PT32E_ROOT_LEVEL) top_level = PT32_ROOT_LEVEL; /* @@ -616,7 +617,7 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, if (FNAME(gpte_changed)(vcpu, gw, top_level)) goto out_gpte_changed; - if (!VALID_PAGE(vcpu->arch.mmu.root_hpa)) + if (!VALID_PAGE(vcpu->arch.mmu->root_hpa)) goto out_gpte_changed; for (shadow_walk_init(&it, vcpu, addr); @@ -1004,7 +1005,7 @@ static int FNAME(sync_page)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) gfn = gpte_to_gfn(gpte); pte_access = sp->role.access; pte_access &= FNAME(gpte_access)(gpte); - FNAME(protect_clean_gpte)(&vcpu->arch.mmu, &pte_access, gpte); + FNAME(protect_clean_gpte)(vcpu->arch.mmu, &pte_access, gpte); if (sync_mmio_spte(vcpu, &sp->spt[i], gfn, pte_access, &nr_present)) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index d96092b35936..2936c63bcc2f 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -2918,18 +2918,18 @@ static void nested_svm_init_mmu_context(struct kvm_vcpu *vcpu) { WARN_ON(mmu_is_nested(vcpu)); kvm_init_shadow_mmu(vcpu); - vcpu->arch.mmu.set_cr3 = nested_svm_set_tdp_cr3; - vcpu->arch.mmu.get_cr3 = nested_svm_get_tdp_cr3; - vcpu->arch.mmu.get_pdptr = nested_svm_get_tdp_pdptr; - vcpu->arch.mmu.inject_page_fault = nested_svm_inject_npf_exit; - vcpu->arch.mmu.shadow_root_level = get_npt_level(vcpu); - reset_shadow_zero_bits_mask(vcpu, &vcpu->arch.mmu); + vcpu->arch.mmu->set_cr3 = nested_svm_set_tdp_cr3; + vcpu->arch.mmu->get_cr3 = nested_svm_get_tdp_cr3; + vcpu->arch.mmu->get_pdptr = nested_svm_get_tdp_pdptr; + vcpu->arch.mmu->inject_page_fault = nested_svm_inject_npf_exit; + vcpu->arch.mmu->shadow_root_level = get_npt_level(vcpu); + reset_shadow_zero_bits_mask(vcpu, vcpu->arch.mmu); vcpu->arch.walk_mmu = &vcpu->arch.nested_mmu; } static void nested_svm_uninit_mmu_context(struct kvm_vcpu *vcpu) { - vcpu->arch.walk_mmu = &vcpu->arch.mmu; + vcpu->arch.walk_mmu = &vcpu->arch.root_mmu; } static int nested_svm_check_permissions(struct vcpu_svm *svm) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index c255686ebd1a..d243eba62340 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -5111,9 +5111,10 @@ static inline void __vmx_flush_tlb(struct kvm_vcpu *vcpu, int vpid, bool invalidate_gpa) { if (enable_ept && (invalidate_gpa || !enable_vpid)) { - if (!VALID_PAGE(vcpu->arch.mmu.root_hpa)) + if (!VALID_PAGE(vcpu->arch.mmu->root_hpa)) return; - ept_sync_context(construct_eptp(vcpu, vcpu->arch.mmu.root_hpa)); + ept_sync_context(construct_eptp(vcpu, + vcpu->arch.mmu->root_hpa)); } else { vpid_sync_context(vpid); } @@ -9122,7 +9123,7 @@ static int handle_invpcid(struct kvm_vcpu *vcpu) } for (i = 0; i < KVM_MMU_NUM_PREV_ROOTS; i++) - if (kvm_get_pcid(vcpu, vcpu->arch.mmu.prev_roots[i].cr3) + if (kvm_get_pcid(vcpu, vcpu->arch.mmu->prev_roots[i].cr3) == operand.pcid) roots_to_free |= KVM_MMU_ROOT_PREVIOUS(i); @@ -11304,16 +11305,16 @@ static void nested_ept_init_mmu_context(struct kvm_vcpu *vcpu) VMX_EPT_EXECUTE_ONLY_BIT, nested_ept_ad_enabled(vcpu), nested_ept_get_cr3(vcpu)); - vcpu->arch.mmu.set_cr3 = vmx_set_cr3; - vcpu->arch.mmu.get_cr3 = nested_ept_get_cr3; - vcpu->arch.mmu.inject_page_fault = nested_ept_inject_page_fault; + vcpu->arch.mmu->set_cr3 = vmx_set_cr3; + vcpu->arch.mmu->get_cr3 = nested_ept_get_cr3; + vcpu->arch.mmu->inject_page_fault = nested_ept_inject_page_fault; vcpu->arch.walk_mmu = &vcpu->arch.nested_mmu; } static void nested_ept_uninit_mmu_context(struct kvm_vcpu *vcpu) { - vcpu->arch.walk_mmu = &vcpu->arch.mmu; + vcpu->arch.walk_mmu = &vcpu->arch.root_mmu; } static bool nested_vmx_is_page_fault_vmexit(struct vmcs12 *vmcs12, diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 92159db9cf71..a87e879373fe 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -503,7 +503,7 @@ static bool kvm_propagate_fault(struct kvm_vcpu *vcpu, struct x86_exception *fau if (mmu_is_nested(vcpu) && !fault->nested_page_fault) vcpu->arch.nested_mmu.inject_page_fault(vcpu, fault); else - vcpu->arch.mmu.inject_page_fault(vcpu, fault); + vcpu->arch.mmu->inject_page_fault(vcpu, fault); return fault->nested_page_fault; } @@ -602,7 +602,7 @@ int load_pdptrs(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, unsigned long cr3) for (i = 0; i < ARRAY_SIZE(pdpte); ++i) { if ((pdpte[i] & PT_PRESENT_MASK) && (pdpte[i] & - vcpu->arch.mmu.guest_rsvd_check.rsvd_bits_mask[0][2])) { + vcpu->arch.mmu->guest_rsvd_check.rsvd_bits_mask[0][2])) { ret = 0; goto out; } @@ -4809,7 +4809,7 @@ gpa_t translate_nested_gpa(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access, /* NPT walks are always user-walks */ access |= PFERR_USER_MASK; - t_gpa = vcpu->arch.mmu.gva_to_gpa(vcpu, gpa, access, exception); + t_gpa = vcpu->arch.mmu->gva_to_gpa(vcpu, gpa, access, exception); return t_gpa; } @@ -5895,7 +5895,7 @@ static bool reexecute_instruction(struct kvm_vcpu *vcpu, gva_t cr2, if (WARN_ON_ONCE(is_guest_mode(vcpu))) return false; - if (!vcpu->arch.mmu.direct_map) { + if (!vcpu->arch.mmu->direct_map) { /* * Write permission should be allowed since only * write access need to be emulated. @@ -5928,7 +5928,7 @@ static bool reexecute_instruction(struct kvm_vcpu *vcpu, gva_t cr2, kvm_release_pfn_clean(pfn); /* The instructions are well-emulated on direct mmu. */ - if (vcpu->arch.mmu.direct_map) { + if (vcpu->arch.mmu->direct_map) { unsigned int indirect_shadow_pages; spin_lock(&vcpu->kvm->mmu_lock); @@ -5995,7 +5995,7 @@ static bool retry_instruction(struct x86_emulate_ctxt *ctxt, vcpu->arch.last_retry_eip = ctxt->eip; vcpu->arch.last_retry_addr = cr2; - if (!vcpu->arch.mmu.direct_map) + if (!vcpu->arch.mmu->direct_map) gpa = kvm_mmu_gva_to_gpa_write(vcpu, cr2, NULL); kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(gpa)); @@ -9333,7 +9333,7 @@ void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, struct kvm_async_pf *work) { int r; - if ((vcpu->arch.mmu.direct_map != work->arch.direct_map) || + if ((vcpu->arch.mmu->direct_map != work->arch.direct_map) || work->wakeup_all) return; @@ -9341,11 +9341,11 @@ void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, struct kvm_async_pf *work) if (unlikely(r)) return; - if (!vcpu->arch.mmu.direct_map && - work->arch.cr3 != vcpu->arch.mmu.get_cr3(vcpu)) + if (!vcpu->arch.mmu->direct_map && + work->arch.cr3 != vcpu->arch.mmu->get_cr3(vcpu)) return; - vcpu->arch.mmu.page_fault(vcpu, work->gva, 0, true); + vcpu->arch.mmu->page_fault(vcpu, work->gva, 0, true); } static inline u32 kvm_async_pf_hash_fn(gfn_t gfn) |