diff options
Diffstat (limited to 'tools/testing/selftests/kvm/include/x86/processor.h')
| -rw-r--r-- | tools/testing/selftests/kvm/include/x86/processor.h | 64 |
1 files changed, 62 insertions, 2 deletions
diff --git a/tools/testing/selftests/kvm/include/x86/processor.h b/tools/testing/selftests/kvm/include/x86/processor.h index 513e4a1075fa..6e6f70035508 100644 --- a/tools/testing/selftests/kvm/include/x86/processor.h +++ b/tools/testing/selftests/kvm/include/x86/processor.h @@ -24,6 +24,7 @@ extern bool host_cpu_is_amd; extern bool host_cpu_is_hygon; extern bool host_cpu_is_amd_compatible; extern u64 guest_tsc_khz; +extern struct kvm_mmu guest_mmu; #ifndef MAX_NR_CPUID_ENTRIES #define MAX_NR_CPUID_ENTRIES 100 @@ -208,6 +209,7 @@ struct kvm_x86_cpu_feature { #define X86_FEATURE_PERFCTR_NB KVM_X86_CPU_FEATURE(0x80000001, 0, ECX, 24) #define X86_FEATURE_PERFCTR_LLC KVM_X86_CPU_FEATURE(0x80000001, 0, ECX, 28) #define X86_FEATURE_NX KVM_X86_CPU_FEATURE(0x80000001, 0, EDX, 20) +#define X86_FEATURE_FXSR_OPT KVM_X86_CPU_FEATURE(0x80000001, 0, EDX, 25) #define X86_FEATURE_GBPAGES KVM_X86_CPU_FEATURE(0x80000001, 0, EDX, 26) #define X86_FEATURE_RDTSCP KVM_X86_CPU_FEATURE(0x80000001, 0, EDX, 27) #define X86_FEATURE_LM KVM_X86_CPU_FEATURE(0x80000001, 0, EDX, 29) @@ -226,6 +228,7 @@ struct kvm_x86_cpu_feature { #define X86_FEATURE_SEV KVM_X86_CPU_FEATURE(0x8000001F, 0, EAX, 1) #define X86_FEATURE_SEV_ES KVM_X86_CPU_FEATURE(0x8000001F, 0, EAX, 3) #define X86_FEATURE_SEV_SNP KVM_X86_CPU_FEATURE(0x8000001F, 0, EAX, 4) +#define X86_FEATURE_AUTOIBRS KVM_X86_CPU_FEATURE(0x80000021, 0, EAX, 8) #define X86_FEATURE_GP_ON_USER_CPUID KVM_X86_CPU_FEATURE(0x80000021, 0, EAX, 17) #define X86_FEATURE_PERFMON_V2 KVM_X86_CPU_FEATURE(0x80000022, 0, EAX, 0) #define X86_FEATURE_LBR_PMC_FREEZE KVM_X86_CPU_FEATURE(0x80000022, 0, EAX, 2) @@ -396,8 +399,7 @@ static inline unsigned int x86_model(unsigned int eax) #define PTE_GET_PA(pte) ((pte) & PHYSICAL_PAGE_MASK) #define PTE_GET_PFN(pte) (PTE_GET_PA(pte) >> PAGE_SHIFT) -/* General Registers in 64-Bit Mode */ -struct gpr64_regs { +struct guest_regs { u64 rax; u64 rcx; u64 rdx; @@ -414,8 +416,38 @@ struct gpr64_regs { u64 r13; u64 r14; u64 r15; + u64 rflags; }; +extern struct guest_regs guest_regs; + +#define GUEST_REG_OFFSET(name) \ + [off_##name] "i" (offsetof(struct guest_regs, name)) + +#define GUEST_REGS_OFFSETS \ + GUEST_REG_OFFSET(rax), \ + GUEST_REG_OFFSET(rcx), \ + GUEST_REG_OFFSET(rdx), \ + GUEST_REG_OFFSET(rbx), \ + GUEST_REG_OFFSET(rsp), \ + GUEST_REG_OFFSET(rbp), \ + GUEST_REG_OFFSET(rsi), \ + GUEST_REG_OFFSET(rdi), \ + GUEST_REG_OFFSET(r8), \ + GUEST_REG_OFFSET(r9), \ + GUEST_REG_OFFSET(r10), \ + GUEST_REG_OFFSET(r11), \ + GUEST_REG_OFFSET(r12), \ + GUEST_REG_OFFSET(r13), \ + GUEST_REG_OFFSET(r14), \ + GUEST_REG_OFFSET(r15), \ + GUEST_REG_OFFSET(rflags) + +#define GUEST_REG(name) "guest_regs + %c[off_" #name "]" + +#define GUEST_SWITCH_GPR_ASM(name) \ + "xchg %%" #name ", " GUEST_REG(name) "\n\t" + struct desc64 { u16 limit0; u16 base0; @@ -582,6 +614,14 @@ static inline void set_cr0(u64 val) __asm__ __volatile__("mov %0, %%cr0" : : "r" (val) : "memory"); } +static inline u64 get_cr2(void) +{ + u64 cr2; + + __asm__ __volatile__("mov %%cr2, %[cr2]" : [cr2]"=r"(cr2)); + return cr2; +} + static inline u64 get_cr3(void) { u64 cr3; @@ -877,6 +917,11 @@ static inline void write_sse_reg(int reg, const sse128_t *data) } } +static inline void invlpg(u64 addr) +{ + __asm__ __volatile__("invlpg (%0)" : : "r"(addr) : "memory"); +} + static inline void cpu_relax(void) { asm volatile("rep; nop" ::: "memory"); @@ -913,6 +958,11 @@ struct kvm_x86_state *vcpu_save_state(struct kvm_vcpu *vcpu); void vcpu_load_state(struct kvm_vcpu *vcpu, struct kvm_x86_state *state); void kvm_x86_state_cleanup(struct kvm_x86_state *state); +static inline bool kvm_x86_state_is_guest_mode(struct kvm_x86_state *state) +{ + return state->nested.size && (state->nested.flags & KVM_STATE_NESTED_GUEST_MODE); +} + const struct kvm_msr_list *kvm_get_msr_index_list(void); const struct kvm_msr_list *kvm_get_feature_msr_index_list(void); bool kvm_msr_is_in_save_restore_list(u32 msr_index); @@ -1226,6 +1276,8 @@ struct idt_entry { void vm_install_exception_handler(struct kvm_vm *vm, int vector, void (*handler)(struct ex_regs *)); +gva_t vm_alloc_stack(struct kvm_vm *vm, int nr_pages); + /* * Exception fixup morphs #DE to an arbitrary magic vector so that '0' can be * used to signal "no expcetion". @@ -1392,6 +1444,14 @@ static inline bool kvm_is_pmu_enabled(void) return get_kvm_param_bool("enable_pmu"); } +static inline bool kvm_is_mediated_pmu_enabled(void) +{ + if (host_cpu_is_intel) + return get_kvm_intel_param_bool("enable_mediated_pmu"); + + return get_kvm_amd_param_bool("enable_mediated_pmu"); +} + static inline bool kvm_is_forced_emulation_enabled(void) { return !!get_kvm_param_integer("force_emulation_prefix"); |