diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-04-02 22:09:02 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-04-02 22:09:02 +0300 |
commit | 38904911e86495d4690f8d805720b90e65426c71 (patch) | |
tree | 6a162530ad117c636fc1e144ee223099b85eefd4 /arch/x86/include | |
parent | 6f34f8c3d6178527d4c02aa3a53c370cc70cb91e (diff) | |
parent | c15e0ae42c8e5a61e9aca8aac920517cf7b3e94e (diff) | |
download | linux-38904911e86495d4690f8d805720b90e65426c71.tar.xz |
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
- Only do MSR filtering for MSRs accessed by rdmsr/wrmsr
- Documentation improvements
- Prevent module exit until all VMs are freed
- PMU Virtualization fixes
- Fix for kvm_irq_delivery_to_apic_fast() NULL-pointer dereferences
- Other miscellaneous bugfixes
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (42 commits)
KVM: x86: fix sending PV IPI
KVM: x86/mmu: do compare-and-exchange of gPTE via the user address
KVM: x86: Remove redundant vm_entry_controls_clearbit() call
KVM: x86: cleanup enter_rmode()
KVM: x86: SVM: fix tsc scaling when the host doesn't support it
kvm: x86: SVM: remove unused defines
KVM: x86: SVM: move tsc ratio definitions to svm.h
KVM: x86: SVM: fix avic spec based definitions again
KVM: MIPS: remove reference to trap&emulate virtualization
KVM: x86: document limitations of MSR filtering
KVM: x86: Only do MSR filtering when access MSR by rdmsr/wrmsr
KVM: x86/emulator: Emulate RDPID only if it is enabled in guest
KVM: x86/pmu: Fix and isolate TSX-specific performance event logic
KVM: x86: mmu: trace kvm_mmu_set_spte after the new SPTE was set
KVM: x86/svm: Clear reserved bits written to PerfEvtSeln MSRs
KVM: x86: Trace all APICv inhibit changes and capture overall status
KVM: x86: Add wrappers for setting/clearing APICv inhibits
KVM: x86: Make APICv inhibit reasons an enum and cleanup naming
KVM: X86: Handle implicit supervisor access with SMAP
KVM: X86: Rename variable smap to not_smap in permission_fault()
...
Diffstat (limited to 'arch/x86/include')
-rw-r--r-- | arch/x86/include/asm/kvm_host.h | 46 | ||||
-rw-r--r-- | arch/x86/include/asm/svm.h | 14 |
2 files changed, 42 insertions, 18 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 4138939532c6..d23e80a56eb8 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -249,6 +249,7 @@ enum x86_intercept_stage; #define PFERR_SGX_BIT 15 #define PFERR_GUEST_FINAL_BIT 32 #define PFERR_GUEST_PAGE_BIT 33 +#define PFERR_IMPLICIT_ACCESS_BIT 48 #define PFERR_PRESENT_MASK (1U << PFERR_PRESENT_BIT) #define PFERR_WRITE_MASK (1U << PFERR_WRITE_BIT) @@ -259,6 +260,7 @@ enum x86_intercept_stage; #define PFERR_SGX_MASK (1U << PFERR_SGX_BIT) #define PFERR_GUEST_FINAL_MASK (1ULL << PFERR_GUEST_FINAL_BIT) #define PFERR_GUEST_PAGE_MASK (1ULL << PFERR_GUEST_PAGE_BIT) +#define PFERR_IMPLICIT_ACCESS (1ULL << PFERR_IMPLICIT_ACCESS_BIT) #define PFERR_NESTED_GUEST_PAGE (PFERR_GUEST_PAGE_MASK | \ PFERR_WRITE_MASK | \ @@ -430,7 +432,7 @@ struct kvm_mmu { void (*inject_page_fault)(struct kvm_vcpu *vcpu, struct x86_exception *fault); gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, - gpa_t gva_or_gpa, u32 access, + gpa_t gva_or_gpa, u64 access, struct x86_exception *exception); int (*sync_page)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp); @@ -512,6 +514,7 @@ struct kvm_pmu { u64 global_ctrl_mask; u64 global_ovf_ctrl_mask; u64 reserved_bits; + u64 raw_event_mask; u8 version; struct kvm_pmc gp_counters[INTEL_PMC_MAX_GENERIC]; struct kvm_pmc fixed_counters[KVM_PMC_MAX_FIXED]; @@ -1040,14 +1043,16 @@ struct kvm_x86_msr_filter { struct msr_bitmap_range ranges[16]; }; -#define APICV_INHIBIT_REASON_DISABLE 0 -#define APICV_INHIBIT_REASON_HYPERV 1 -#define APICV_INHIBIT_REASON_NESTED 2 -#define APICV_INHIBIT_REASON_IRQWIN 3 -#define APICV_INHIBIT_REASON_PIT_REINJ 4 -#define APICV_INHIBIT_REASON_X2APIC 5 -#define APICV_INHIBIT_REASON_BLOCKIRQ 6 -#define APICV_INHIBIT_REASON_ABSENT 7 +enum kvm_apicv_inhibit { + APICV_INHIBIT_REASON_DISABLE, + APICV_INHIBIT_REASON_HYPERV, + APICV_INHIBIT_REASON_NESTED, + APICV_INHIBIT_REASON_IRQWIN, + APICV_INHIBIT_REASON_PIT_REINJ, + APICV_INHIBIT_REASON_X2APIC, + APICV_INHIBIT_REASON_BLOCKIRQ, + APICV_INHIBIT_REASON_ABSENT, +}; struct kvm_arch { unsigned long n_used_mmu_pages; @@ -1401,7 +1406,7 @@ struct kvm_x86_ops { void (*enable_nmi_window)(struct kvm_vcpu *vcpu); void (*enable_irq_window)(struct kvm_vcpu *vcpu); void (*update_cr8_intercept)(struct kvm_vcpu *vcpu, int tpr, int irr); - bool (*check_apicv_inhibit_reasons)(ulong bit); + bool (*check_apicv_inhibit_reasons)(enum kvm_apicv_inhibit reason); void (*refresh_apicv_exec_ctrl)(struct kvm_vcpu *vcpu); void (*hwapic_irr_update)(struct kvm_vcpu *vcpu, int max_irr); void (*hwapic_isr_update)(struct kvm_vcpu *vcpu, int isr); @@ -1585,7 +1590,7 @@ void kvm_mmu_module_exit(void); void kvm_mmu_destroy(struct kvm_vcpu *vcpu); int kvm_mmu_create(struct kvm_vcpu *vcpu); -void kvm_mmu_init_vm(struct kvm *kvm); +int kvm_mmu_init_vm(struct kvm *kvm); void kvm_mmu_uninit_vm(struct kvm *kvm); void kvm_mmu_after_set_cpuid(struct kvm_vcpu *vcpu); @@ -1795,11 +1800,22 @@ gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva, bool kvm_apicv_activated(struct kvm *kvm); void kvm_vcpu_update_apicv(struct kvm_vcpu *vcpu); -void kvm_request_apicv_update(struct kvm *kvm, bool activate, - unsigned long bit); +void __kvm_set_or_clear_apicv_inhibit(struct kvm *kvm, + enum kvm_apicv_inhibit reason, bool set); +void kvm_set_or_clear_apicv_inhibit(struct kvm *kvm, + enum kvm_apicv_inhibit reason, bool set); + +static inline void kvm_set_apicv_inhibit(struct kvm *kvm, + enum kvm_apicv_inhibit reason) +{ + kvm_set_or_clear_apicv_inhibit(kvm, reason, true); +} -void __kvm_request_apicv_update(struct kvm *kvm, bool activate, - unsigned long bit); +static inline void kvm_clear_apicv_inhibit(struct kvm *kvm, + enum kvm_apicv_inhibit reason) +{ + kvm_set_or_clear_apicv_inhibit(kvm, reason, false); +} int kvm_emulate_hypercall(struct kvm_vcpu *vcpu); diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h index 7eb2df5417fb..f70a5108d464 100644 --- a/arch/x86/include/asm/svm.h +++ b/arch/x86/include/asm/svm.h @@ -221,8 +221,14 @@ struct __attribute__ ((__packed__)) vmcb_control_area { #define SVM_NESTED_CTL_SEV_ES_ENABLE BIT(2) +#define SVM_TSC_RATIO_RSVD 0xffffff0000000000ULL +#define SVM_TSC_RATIO_MIN 0x0000000000000001ULL +#define SVM_TSC_RATIO_MAX 0x000000ffffffffffULL +#define SVM_TSC_RATIO_DEFAULT 0x0100000000ULL + + /* AVIC */ -#define AVIC_LOGICAL_ID_ENTRY_GUEST_PHYSICAL_ID_MASK (0xFF) +#define AVIC_LOGICAL_ID_ENTRY_GUEST_PHYSICAL_ID_MASK (0xFFULL) #define AVIC_LOGICAL_ID_ENTRY_VALID_BIT 31 #define AVIC_LOGICAL_ID_ENTRY_VALID_MASK (1 << 31) @@ -230,9 +236,11 @@ struct __attribute__ ((__packed__)) vmcb_control_area { #define AVIC_PHYSICAL_ID_ENTRY_BACKING_PAGE_MASK (0xFFFFFFFFFFULL << 12) #define AVIC_PHYSICAL_ID_ENTRY_IS_RUNNING_MASK (1ULL << 62) #define AVIC_PHYSICAL_ID_ENTRY_VALID_MASK (1ULL << 63) -#define AVIC_PHYSICAL_ID_TABLE_SIZE_MASK (0xFF) +#define AVIC_PHYSICAL_ID_TABLE_SIZE_MASK (0xFFULL) + +#define AVIC_DOORBELL_PHYSICAL_ID_MASK GENMASK_ULL(11, 0) -#define AVIC_DOORBELL_PHYSICAL_ID_MASK (0xFF) +#define VMCB_AVIC_APIC_BAR_MASK 0xFFFFFFFFFF000ULL #define AVIC_UNACCEL_ACCESS_WRITE_MASK 1 #define AVIC_UNACCEL_ACCESS_OFFSET_MASK 0xFF0 |