diff options
84 files changed, 629 insertions, 827 deletions
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index 62de0768d6aa..48fad6556822 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -5645,7 +5645,8 @@ with the KVM_XEN_VCPU_GET_ATTR ioctl. }; Copies Memory Tagging Extension (MTE) tags to/from guest tag memory. The -``guest_ipa`` and ``length`` fields must be ``PAGE_SIZE`` aligned. The ``addr`` +``guest_ipa`` and ``length`` fields must be ``PAGE_SIZE`` aligned. +``length`` must not be bigger than 2^31 - PAGE_SIZE bytes. The ``addr`` field must point to a buffer which the tags will be copied to or from. ``flags`` specifies the direction of copy, either ``KVM_ARM_TAGS_TO_GUEST`` or diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index a1892a8f6032..6f7b218a681f 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -193,6 +193,9 @@ struct kvm_arch { /* Interrupt controller */ struct vgic_dist vgic; + /* Timers */ + struct arch_timer_vm_data timer_data; + /* Mandated version of PSCI */ u32 psci_version; @@ -1002,8 +1005,8 @@ int kvm_arm_vcpu_arch_get_attr(struct kvm_vcpu *vcpu, int kvm_arm_vcpu_arch_has_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr); -long kvm_vm_ioctl_mte_copy_tags(struct kvm *kvm, - struct kvm_arm_copy_mte_tags *copy_tags); +int kvm_vm_ioctl_mte_copy_tags(struct kvm *kvm, + struct kvm_arm_copy_mte_tags *copy_tags); /* Guest/host FPSIMD coordination helpers */ int kvm_arch_vcpu_run_map_fp(struct kvm_vcpu *vcpu); diff --git a/arch/arm64/kvm/arch_timer.c b/arch/arm64/kvm/arch_timer.c index 00610477ec7b..e1af4301b913 100644 --- a/arch/arm64/kvm/arch_timer.c +++ b/arch/arm64/kvm/arch_timer.c @@ -84,14 +84,10 @@ u64 timer_get_cval(struct arch_timer_context *ctxt) static u64 timer_get_offset(struct arch_timer_context *ctxt) { - struct kvm_vcpu *vcpu = ctxt->vcpu; + if (ctxt->offset.vm_offset) + return *ctxt->offset.vm_offset; - switch(arch_timer_ctx_index(ctxt)) { - case TIMER_VTIMER: - return __vcpu_sys_reg(vcpu, CNTVOFF_EL2); - default: - return 0; - } + return 0; } static void timer_set_ctl(struct arch_timer_context *ctxt, u32 ctl) @@ -128,15 +124,12 @@ static void timer_set_cval(struct arch_timer_context *ctxt, u64 cval) static void timer_set_offset(struct arch_timer_context *ctxt, u64 offset) { - struct kvm_vcpu *vcpu = ctxt->vcpu; - - switch(arch_timer_ctx_index(ctxt)) { - case TIMER_VTIMER: - __vcpu_sys_reg(vcpu, CNTVOFF_EL2) = offset; - break; - default: + if (!ctxt->offset.vm_offset) { WARN(offset, "timer %ld\n", arch_timer_ctx_index(ctxt)); + return; } + + WRITE_ONCE(*ctxt->offset.vm_offset, offset); } u64 kvm_phys_timer_read(void) @@ -765,25 +758,6 @@ int kvm_timer_vcpu_reset(struct kvm_vcpu *vcpu) return 0; } -/* Make the updates of cntvoff for all vtimer contexts atomic */ -static void update_vtimer_cntvoff(struct kvm_vcpu *vcpu, u64 cntvoff) -{ - unsigned long i; - struct kvm *kvm = vcpu->kvm; - struct kvm_vcpu *tmp; - - mutex_lock(&kvm->lock); - kvm_for_each_vcpu(i, tmp, kvm) - timer_set_offset(vcpu_vtimer(tmp), cntvoff); - - /* - * When called from the vcpu create path, the CPU being created is not - * included in the loop above, so we just set it here as well. - */ - timer_set_offset(vcpu_vtimer(vcpu), cntvoff); - mutex_unlock(&kvm->lock); -} - void kvm_timer_vcpu_init(struct kvm_vcpu *vcpu) { struct arch_timer_cpu *timer = vcpu_timer(vcpu); @@ -791,10 +765,11 @@ void kvm_timer_vcpu_init(struct kvm_vcpu *vcpu) struct arch_timer_context *ptimer = vcpu_ptimer(vcpu); vtimer->vcpu = vcpu; + vtimer->offset.vm_offset = &vcpu->kvm->arch.timer_data.voffset; ptimer->vcpu = vcpu; /* Synchronize cntvoff across all vtimers of a VM. */ - update_vtimer_cntvoff(vcpu, kvm_phys_timer_read()); + timer_set_offset(vtimer, kvm_phys_timer_read()); timer_set_offset(ptimer, 0); hrtimer_init(&timer->bg_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_HARD); @@ -840,7 +815,7 @@ int kvm_arm_timer_set_reg(struct kvm_vcpu *vcpu, u64 regid, u64 value) break; case KVM_REG_ARM_TIMER_CNT: timer = vcpu_vtimer(vcpu); - update_vtimer_cntvoff(vcpu, kvm_phys_timer_read() - value); + timer_set_offset(timer, kvm_phys_timer_read() - value); break; case KVM_REG_ARM_TIMER_CVAL: timer = vcpu_vtimer(vcpu); diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 3bd732eaf087..a43e1cb3b7e9 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -1439,8 +1439,7 @@ static int kvm_vm_ioctl_set_device_addr(struct kvm *kvm, } } -long kvm_arch_vm_ioctl(struct file *filp, - unsigned int ioctl, unsigned long arg) +int kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) { struct kvm *kvm = filp->private_data; void __user *argp = (void __user *)arg; diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index 07444fa22888..26a2ebc465ea 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -1019,8 +1019,8 @@ int kvm_arm_vcpu_arch_has_attr(struct kvm_vcpu *vcpu, return ret; } -long kvm_vm_ioctl_mte_copy_tags(struct kvm *kvm, - struct kvm_arm_copy_mte_tags *copy_tags) +int kvm_vm_ioctl_mte_copy_tags(struct kvm *kvm, + struct kvm_arm_copy_mte_tags *copy_tags) { gpa_t guest_ipa = copy_tags->guest_ipa; size_t length = copy_tags->length; @@ -1041,6 +1041,10 @@ long kvm_vm_ioctl_mte_copy_tags(struct kvm *kvm, if (length & ~PAGE_MASK || guest_ipa & ~PAGE_MASK) return -EINVAL; + /* Lengths above INT_MAX cannot be represented in the return value */ + if (length > INT_MAX) + return -EINVAL; + gfn = gpa_to_gfn(guest_ipa); mutex_lock(&kvm->slots_lock); diff --git a/arch/arm64/kvm/hypercalls.c b/arch/arm64/kvm/hypercalls.c index 64c086c02c60..5da884e11337 100644 --- a/arch/arm64/kvm/hypercalls.c +++ b/arch/arm64/kvm/hypercalls.c @@ -44,7 +44,7 @@ static void kvm_ptp_get_time(struct kvm_vcpu *vcpu, u64 *val) feature = smccc_get_arg1(vcpu); switch (feature) { case KVM_PTP_VIRT_COUNTER: - cycles = systime_snapshot.cycles - vcpu_read_sys_reg(vcpu, CNTVOFF_EL2); + cycles = systime_snapshot.cycles - vcpu->kvm->arch.timer_data.voffset; break; case KVM_PTP_PHYS_COUNTER: cycles = systime_snapshot.cycles; diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 36c8991b5d39..884be4ef99dc 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -993,9 +993,9 @@ void kvm_arch_flush_remote_tlbs_memslot(struct kvm *kvm, kvm_flush_remote_tlbs(kvm); } -long kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) +int kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) { - long r; + int r; switch (ioctl) { default: diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 6bef23d6d0e3..5b9f851d4035 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -156,7 +156,7 @@ extern void kvmppc_map_magic(struct kvm_vcpu *vcpu); extern int kvmppc_allocate_hpt(struct kvm_hpt_info *info, u32 order); extern void kvmppc_set_hpt(struct kvm *kvm, struct kvm_hpt_info *info); -extern long kvmppc_alloc_reset_hpt(struct kvm *kvm, int order); +extern int kvmppc_alloc_reset_hpt(struct kvm *kvm, int order); extern void kvmppc_free_hpt(struct kvm_hpt_info *info); extern void kvmppc_rmap_reset(struct kvm *kvm); extern void kvmppc_map_vrma(struct kvm_vcpu *vcpu, @@ -170,7 +170,7 @@ extern int kvmppc_switch_mmu_to_hpt(struct kvm *kvm); extern int kvmppc_switch_mmu_to_radix(struct kvm *kvm); extern void kvmppc_setup_partition_table(struct kvm *kvm); -extern long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm, +extern int kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm, struct kvm_create_spapr_tce_64 *args); #define kvmppc_ioba_validate(stt, ioba, npages) \ (iommu_tce_check_ioba((stt)->page_shift, (stt)->offset, \ @@ -211,10 +211,10 @@ extern void kvmppc_bookehv_exit(void); extern int kvmppc_prepare_to_enter(struct kvm_vcpu *vcpu); extern int kvm_vm_ioctl_get_htab_fd(struct kvm *kvm, struct kvm_get_htab_fd *); -extern long kvm_vm_ioctl_resize_hpt_prepare(struct kvm *kvm, - struct kvm_ppc_resize_hpt *rhpt); -extern long kvm_vm_ioctl_resize_hpt_commit(struct kvm *kvm, +extern int kvm_vm_ioctl_resize_hpt_prepare(struct kvm *kvm, struct kvm_ppc_resize_hpt *rhpt); +extern int kvm_vm_ioctl_resize_hpt_commit(struct kvm *kvm, + struct kvm_ppc_resize_hpt *rhpt); int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq); @@ -286,8 +286,8 @@ struct kvmppc_ops { int (*emulate_mtspr)(struct kvm_vcpu *vcpu, int sprn, ulong spr_val); int (*emulate_mfspr)(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val); void (*fast_vcpu_kick)(struct kvm_vcpu *vcpu); - long (*arch_vm_ioctl)(struct file *filp, unsigned int ioctl, - unsigned long arg); + int (*arch_vm_ioctl)(struct file *filp, unsigned int ioctl, + unsigned long arg); int (*hcall_implemented)(unsigned long hcall); int (*irq_bypass_add_producer)(struct irq_bypass_consumer *, struct irq_bypass_producer *); diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c index 7006bcbc2e37..1f4896de58ca 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_hv.c +++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c @@ -124,9 +124,9 @@ void kvmppc_set_hpt(struct kvm *kvm, struct kvm_hpt_info *info) info->virt, (long)info->order, kvm->arch.lpid); } -long kvmppc_alloc_reset_hpt(struct kvm *kvm, int order) +int kvmppc_alloc_reset_hpt(struct kvm *kvm, int order) { - long err = -EBUSY; + int err = -EBUSY; struct kvm_hpt_info info; mutex_lock(&kvm->arch.mmu_setup_lock); @@ -1468,8 +1468,8 @@ static void resize_hpt_prepare_work(struct work_struct *work) mutex_unlock(&kvm->arch.mmu_setup_lock); } -long kvm_vm_ioctl_resize_hpt_prepare(struct kvm *kvm, - struct kvm_ppc_resize_hpt *rhpt) +int kvm_vm_ioctl_resize_hpt_prepare(struct kvm *kvm, + struct kvm_ppc_resize_hpt *rhpt) { unsigned long flags = rhpt->flags; unsigned long shift = rhpt->shift; @@ -1534,13 +1534,13 @@ static void resize_hpt_boot_vcpu(void *opaque) /* Nothing to do, just force a KVM exit */ } -long kvm_vm_ioctl_resize_hpt_commit(struct kvm *kvm, - struct kvm_ppc_resize_hpt *rhpt) +int kvm_vm_ioctl_resize_hpt_commit(struct kvm *kvm, + struct kvm_ppc_resize_hpt *rhpt) { unsigned long flags = rhpt->flags; unsigned long shift = rhpt->shift; struct kvm_resize_hpt *resize; - long ret; + int ret; if (flags != 0 || kvm_is_radix(kvm)) return -EINVAL; diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c index 95e738ef9062..93b695b289e9 100644 --- a/arch/powerpc/kvm/book3s_64_vio.c +++ b/arch/powerpc/kvm/book3s_64_vio.c @@ -288,8 +288,8 @@ static const struct file_operations kvm_spapr_tce_fops = { .release = kvm_spapr_tce_release, }; -long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm, - struct kvm_create_spapr_tce_64 *args) +int kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm, + struct kvm_create_spapr_tce_64 *args) { struct kvmppc_spapr_tce_table *stt = NULL; struct kvmppc_spapr_tce_table *siter; diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 6ba68dd6190b..cd139a1edc67 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -5779,12 +5779,12 @@ static void kvmppc_irq_bypass_del_producer_hv(struct irq_bypass_consumer *cons, } #endif -static long kvm_arch_vm_ioctl_hv(struct file *filp, - unsigned int ioctl, unsigned long arg) +static int kvm_arch_vm_ioctl_hv(struct file *filp, + unsigned int ioctl, unsigned long arg) { struct kvm *kvm __maybe_unused = filp->private_data; void __user *argp = (void __user *)arg; - long r; + int r; switch (ioctl) { diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index 9fc4dd8f66eb..5908b514bfb6 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -2042,8 +2042,8 @@ static int kvmppc_core_check_processor_compat_pr(void) return 0; } -static long kvm_arch_vm_ioctl_pr(struct file *filp, - unsigned int ioctl, unsigned long arg) +static int kvm_arch_vm_ioctl_pr(struct file *filp, + unsigned int ioctl, unsigned long arg) { return -ENOTTY; } diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 4c5405fc5538..c0bac9cf2d87 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -2371,12 +2371,11 @@ static int kvmppc_get_cpu_char(struct kvm_ppc_cpu_char *cp) } #endif -long kvm_arch_vm_ioctl(struct file *filp, - unsigned int ioctl, unsigned long arg) +int kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) { struct kvm *kvm __maybe_unused = filp->private_data; void __user *argp = (void __user *)arg; - long r; + int r; switch (ioctl) { case KVM_PPC_GET_PVINFO: { diff --git a/arch/riscv/kvm/vm.c b/arch/riscv/kvm/vm.c index 65a964d7e70d..c13130ab459a 100644 --- a/arch/riscv/kvm/vm.c +++ b/arch/riscv/kvm/vm.c @@ -87,8 +87,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) return r; } -long kvm_arch_vm_ioctl(struct file *filp, - unsigned int ioctl, unsigned long arg) +int kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) { return -EINVAL; } diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 39b36562c043..4c3edccb9911 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -1989,7 +1989,7 @@ static int kvm_s390_vm_has_attr(struct kvm *kvm, struct kvm_device_attr *attr) return ret; } -static long kvm_s390_get_skeys(struct kvm *kvm, struct kvm_s390_skeys *args) +static int kvm_s390_get_skeys(struct kvm *kvm, struct kvm_s390_skeys *args) { uint8_t *keys; uint64_t hva; @@ -2037,7 +2037,7 @@ static long kvm_s390_get_skeys(struct kvm *kvm, struct kvm_s390_skeys *args) return r; } -static long kvm_s390_set_skeys(struct kvm *kvm, struct kvm_s390_skeys *args) +static int kvm_s390_set_skeys(struct kvm *kvm, struct kvm_s390_skeys *args) { uint8_t *keys; uint64_t hva; @@ -2898,8 +2898,7 @@ static int kvm_s390_vm_mem_op(struct kvm *kvm, struct kvm_s390_mem_op *mop) } } -long kvm_arch_vm_ioctl(struct file *filp, - unsigned int ioctl, unsigned long arg) +int kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) { struct kvm *kvm = filp->private_data; void __user *argp = (void __user *)arg; diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 808c292ad3f4..a45de1118a42 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -947,23 +947,6 @@ struct kvm_vcpu_arch { u64 msr_kvm_poll_control; - /* - * Indicates the guest is trying to write a gfn that contains one or - * more of the PTEs used to translate the write itself, i.e. the access - * is changing its own translation in the guest page tables. KVM exits - * to userspace if emulation of the faulting instruction fails and this - * flag is set, as KVM cannot make forward progress. - * - * If emulation fails for a write to guest page tables, KVM unprotects - * (zaps) the shadow page for the target gfn and resumes the guest to - * retry the non-emulatable instruction (on hardware). Unprotecting the - * gfn doesn't allow forward progress for a self-changing access because - * doing so also zaps the translation for the gfn, i.e. retrying the - * instruction will hit a !PRESENT fault, which results in a new shadow - * page and sends KVM back to square one. - */ - bool write_fault_to_shadow_pgtable; - /* set at EPT violation at this point */ unsigned long exit_qualification; @@ -1907,6 +1890,25 @@ u64 vcpu_tsc_khz(struct kvm_vcpu *vcpu); * EMULTYPE_COMPLETE_USER_EXIT - Set when the emulator should update interruptibility * state and inject single-step #DBs after skipping * an instruction (after completing userspace I/O). + * + * EMULTYPE_WRITE_PF_TO_SP - Set when emulating an intercepted page fault that + * is attempting to write a gfn that contains one or + * more of the PTEs used to translate the write itself, + * and the owning page table is being shadowed by KVM. + * If emulation of the faulting instruction fails and + * this flag is set, KVM will exit to userspace instead + * of retrying emulation as KVM cannot make forward + * progress. + * + * If emulation fails for a write to guest page tables, + * KVM unprotects (zaps) the shadow page for the target + * gfn and resumes the guest to retry the non-emulatable + * instruction (on hardware). Unprotecting the gfn + * doesn't allow forward progress for a self-changing + * access because doing so also zaps the translation for + * the gfn, i.e. retrying the instruction will hit a + * !PRESENT fault, which results in a new shadow page + * and sends KVM back to square one. */ #define EMULTYPE_NO_DECODE (1 << 0) #define EMULTYPE_TRAP_UD (1 << 1) @@ -1916,6 +1918,7 @@ u64 vcpu_tsc_khz(struct kvm_vcpu *vcpu); #define EMULTYPE_VMWARE_GP (1 << 5) #define EMULTYPE_PF (1 << 6) #define EMULTYPE_COMPLETE_USER_EXIT (1 << 7) +#define EMULTYPE_WRITE_PF_TO_SP (1 << 8) int kvm_emulate_instruction(struct kvm_vcpu *vcpu, int emulation_type); int kvm_emulate_instruction_from_buffer(struct kvm_vcpu *vcpu, diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h index cb1ee53ad3b1..770dcf75eaa9 100644 --- a/arch/x86/include/asm/svm.h +++ b/arch/x86/include/asm/svm.h @@ -261,20 +261,22 @@ enum avic_ipi_failure_cause { AVIC_IPI_FAILURE_INVALID_BACKING_PAGE, }; -#define AVIC_PHYSICAL_MAX_INDEX_MASK GENMASK_ULL(9, 0) +#define AVIC_PHYSICAL_MAX_INDEX_MASK GENMASK_ULL(8, 0) /* - * For AVIC, the max index allowed for physical APIC ID - * table is 0xff (255). + * For AVIC, the max index allowed for physical APIC ID table is 0xfe (254), as + * 0xff is a broadcast to all CPUs, i.e. can't be targeted individually. */ #define AVIC_MAX_PHYSICAL_ID 0XFEULL /* - * For x2AVIC, the max index allowed for physical APIC ID - * table is 0x1ff (511). + * For x2AVIC, the max index allowed for physical APIC ID table is 0x1ff (511). */ #define X2AVIC_MAX_PHYSICAL_ID 0x1FFUL +static_assert((AVIC_MAX_PHYSICAL_ID & AVIC_PHYSICAL_MAX_INDEX_MASK) == AVIC_MAX_PHYSICAL_ID); +static_assert((X2AVIC_MAX_PHYSICAL_ID & AVIC_PHYSICAL_MAX_INDEX_MASK) == X2AVIC_MAX_PHYSICAL_ID); + #define AVIC_HPA_MASK ~((0xFFFULL << 52) | 0xFFF) #define VMCB_AVIC_APIC_BAR_MASK 0xFFFFFFFFFF000ULL diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 599aebec2d52..9583a110cf5f 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -653,7 +653,7 @@ void kvm_set_cpu_caps(void) F(SPEC_CTRL_SSBD) | F(ARCH_CAPABILITIES) | F(INTEL_STIBP) | F(MD_CLEAR) | F(AVX512_VP2INTERSECT) | F(FSRM) | F(SERIALIZE) | F(TSXLDTRK) | F(AVX512_FP16) | - F(AMX_TILE) | F(AMX_INT8) | F(AMX_BF16) + F(AMX_TILE) | F(AMX_INT8) | F(AMX_BF16) | F(FLUSH_L1D) ); /* TSC_ADJUST and ARCH_CAPABILITIES are emulated in software. */ diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index c8ebe542c565..144c5a01cd77 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -4203,7 +4203,7 @@ void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, struct kvm_async_pf *work) work->arch.cr3 != vcpu->arch.mmu->get_guest_pgd(vcpu)) return; - kvm_mmu_do_page_fault(vcpu, work->cr2_or_gpa, 0, true); + kvm_mmu_do_page_fault(vcpu, work->cr2_or_gpa, 0, true, NULL); } static int __kvm_faultin_pfn(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault) @@ -5664,7 +5664,8 @@ int noinline kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u64 err if (r == RET_PF_INVALID) { r = kvm_mmu_do_page_fault(vcpu, cr2_or_gpa, - lower_32_bits(error_code), false); + lower_32_bits(error_code), false, + &emulation_type); if (KVM_BUG_ON(r == RET_PF_INVALID, vcpu->kvm)) return -EIO; } diff --git a/arch/x86/kvm/mmu/mmu_internal.h b/arch/x86/kvm/mmu/mmu_internal.h index cc58631e2336..2cbb155c686c 100644 --- a/arch/x86/kvm/mmu/mmu_internal.h +++ b/arch/x86/kvm/mmu/mmu_internal.h @@ -240,6 +240,13 @@ struct kvm_page_fault { kvm_pfn_t pfn; hva_t hva; bool map_writable; + + /* + * Indicates the guest is trying to write a gfn that contains one or + * more of the PTEs used to translate the write itself, i.e. the access + * is changing its own translation in the guest page tables. + */ + bool write_fault_to_shadow_pgtable; }; int kvm_tdp_page_fault(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault); @@ -273,7 +280,7 @@ enum { }; static inline int kvm_mmu_do_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, - u32 err, bool prefetch) + u32 err, bool prefetch, int *emulation_type) { struct kvm_page_fault fault = { .addr = cr2_or_gpa, @@ -312,6 +319,9 @@ static inline int kvm_mmu_do_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, else r = vcpu->arch.mmu->page_fault(vcpu, &fault); + if (fault.write_fault_to_shadow_pgtable && emulation_type) + *emulation_type |= EMULTYPE_WRITE_PF_TO_SP; + /* * Similar to above, prefetch faults aren't truly spurious, and the * async #PF path doesn't do emulation. Do count faults that are fixed diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h index 57f0b75c80f9..a056f2773dd9 100644 --- a/arch/x86/kvm/mmu/paging_tmpl.h +++ b/arch/x86/kvm/mmu/paging_tmpl.h @@ -685,8 +685,17 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault, if (sp != ERR_PTR(-EEXIST)) link_shadow_page(vcpu, it.sptep, sp); + + if (fault->write && table_gfn == fault->gfn) + fault->write_fault_to_shadow_pgtable = true; } + /* + * Adjust the hugepage size _after_ resolving indirect shadow pages. + * KVM doesn't support mapping hugepages into the guest for gfns that + * are being shadowed by KVM, i.e. allocating a new shadow page may + * affect the allowed hugepage size. + */ kvm_mmu_hugepage_adjust(vcpu, fault); trace_kvm_mmu_spte_requested(fault); @@ -731,46 +740,6 @@ out_gpte_changed: return RET_PF_RETRY; } - /* - * To see whether the mapped gfn can write its page table in the current - * mapping. - * - * It is the helper function of FNAME(page_fault). When guest uses large page - * size to map the writable gfn which is used as current page table, we should - * force kvm to use small page size to map it because new shadow page will be - * created when kvm establishes shadow page table that stop kvm using large - * page size. Do it early can avoid unnecessary #PF and emulation. - * - * @write_fault_to_shadow_pgtable will return true if the fault gfn is - * currently used as its page table. - * - * Note: the PDPT page table is not checked for PAE-32 bit guest. It is ok - * since the PDPT is always shadowed, that means, we can not use large page - * size to map the gfn which is used as PDPT. - */ -static bool -FNAME(is_self_change_mapping)(struct kvm_vcpu *vcpu, - struct guest_walker *walker, bool user_fault, - bool *write_fault_to_shadow_pgtable) -{ - int level; - gfn_t mask = ~(KVM_PAGES_PER_HPAGE(walker->level) - 1); - bool self_changed = false; - - if (!(walker->pte_access & ACC_WRITE_MASK || - (!is_cr0_wp(vcpu->arch.mmu) && !user_fault))) - return false; - - for (level = walker->level; level <= walker->max_level; level++) { - gfn_t gfn = walker->gfn ^ walker->table_gfn[level - 1]; - - self_changed |= !(gfn & mask); - *write_fault_to_shadow_pgtable |= !gfn; - } - - return self_changed; -} - /* * Page fault handler. There are several causes for a page fault: * - there is no shadow pte for the guest pte @@ -789,7 +758,6 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault { struct guest_walker walker; int r; - bool is_self_change_mapping; pgprintk("%s: addr %lx err %x\n", __func__, fault->addr, fault->error_code); WARN_ON_ONCE(fault->is_tdp); @@ -814,6 +782,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault } fault->gfn = walker.gfn; + fault->max_level = walker.level; fault->slot = kvm_vcpu_gfn_to_memslot(vcpu, fault->gfn); if (page_fault_handle_page_track(vcpu, fault)) { @@ -825,16 +794,6 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault if (r) return r; - vcpu->arch.write_fault_to_shadow_pgtable = false; - - is_self_change_mapping = FNAME(is_self_change_mapping)(vcpu, - &walker, fault->user, &vcpu->arch.write_fault_to_shadow_pgtable); - - if (is_self_change_mapping) - fault->max_level = PG_LEVEL_4K; - else - fault->max_level = walker.level; - r = kvm_faultin_pfn(vcpu, fault, walker.pte_access); if (r != RET_PF_CONTINUE) return r; diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c index ca684979e90d..cfc8ab773025 100644 --- a/arch/x86/kvm/svm/avic.c +++ b/arch/x86/kvm/svm/avic.c @@ -27,19 +27,38 @@ #include "irq.h" #include "svm.h" -/* AVIC GATAG is encoded using VM and VCPU IDs */ -#define AVIC_VCPU_ID_BITS 8 -#define AVIC_VCPU_ID_MASK ((1 << AVIC_VCPU_ID_BITS) - 1) +/* + * Encode the arbitrary VM ID and the vCPU's default APIC ID, i.e the vCPU ID, + * into the GATag so that KVM can retrieve the correct vCPU from a GALog entry + * if an interrupt can't be delivered, e.g. because the vCPU isn't running. + * + * For the vCPU ID, use however many bits are currently allowed for the max + * guest physical APIC ID (limited by the size of the physical ID table), and + * use whatever bits remain to assign arbitrary AVIC IDs to VMs. Note, the + * size of the GATag is defined by hardware (32 bits), but is an opaque value + * as far as hardware is concerned. + */ +#define AVIC_VCPU_ID_MASK AVIC_PHYSICAL_MAX_INDEX_MASK -#define AVIC_VM_ID_BITS 24 -#define AVIC_VM_ID_NR (1 << AVIC_VM_ID_BITS) -#define AVIC_VM_ID_MASK ((1 << AVIC_VM_ID_BITS) - 1) +#define AVIC_VM_ID_SHIFT HWEIGHT32(AVIC_PHYSICAL_MAX_INDEX_MASK) +#define AVIC_VM_ID_MASK (GENMASK(31, AVIC_VM_ID_SHIFT) >> AVIC_VM_ID_SHIFT) -#define AVIC_GATAG(x, y) (((x & AVIC_VM_ID_MASK) << AVIC_VCPU_ID_BITS) | \ - (y & AVIC_VCPU_ID_MASK)) -#define AVIC_GATAG_TO_VMID(x) ((x >> AVIC_VCPU_ID_BITS) & AVIC_VM_ID_MASK) +#define AVIC_GATAG_TO_VMID(x) ((x >> AVIC_VM_ID_SHIFT) & AVIC_VM_ID_MASK) #define AVIC_GATAG_TO_VCPUID(x) (x & AVIC_VCPU_ID_MASK) +#define __AVIC_GATAG(vm_id, vcpu_id) ((((vm_id) & AVIC_VM_ID_MASK) << AVIC_VM_ID_SHIFT) | \ + ((vcpu_id) & AVIC_VCPU_ID_MASK)) +#define AVIC_GATAG(vm_id, vcpu_id) \ +({ \ + u32 ga_tag = __AVIC_GATAG(vm_id, vcpu_id); \ + \ + WARN_ON_ONCE(AVIC_GATAG_TO_VCPUID(ga_tag) != (vcpu_id)); \ + WARN_ON_ONCE(AVIC_GATAG_TO_VMID(ga_tag) != (vm_id)); \ + ga_tag; \ +}) + +static_assert(__AVIC_GATAG(AVIC_VM_ID_MASK, AVIC_VCPU_ID_MASK) == -1u); + static bool force_avic; module_param_unsafe(force_avic, bool, 0444); diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 252e7f37e4e2..57f241c5a371 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -95,6 +95,7 @@ static const struct svm_direct_access_msrs { #endif { .index = MSR_IA32_SPEC_CTRL, .always = false }, { .index = MSR_IA32_PRED_CMD, .always = false }, + { .index = MSR_IA32_FLUSH_CMD, .always = false }, { .index = MSR_IA32_LASTBRANCHFROMIP, .always = false }, { .index = MSR_IA32_LASTBRANCHTOIP, .always = false }, { .index = MSR_IA32_LASTINTFROMIP, .always = false }, @@ -2872,7 +2873,7 @@ static int svm_set_vm_cr(struct kvm_vcpu *vcpu, u64 data) static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr) { struct vcpu_svm *svm = to_svm(vcpu); - int r; + int ret = 0; u32 ecx = msr->index; u64 data = msr->data; @@ -2942,21 +2943,6 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr) */ set_msr_interception(vcpu, svm->msrpm, MSR_IA32_SPEC_CTRL, 1, 1); break; - case MSR_IA32_PRED_CMD: - if (!msr->host_initiated && - !guest_has_pred_cmd_msr(vcpu)) - return 1; - - if (data & ~PRED_CMD_IBPB) - return 1; - if (!boot_cpu_has(X86_FEATURE_IBPB)) - return 1; - if (!data) - break; - - wrmsrl(MSR_IA32_PRED_CMD, PRED_CMD_IBPB); - set_msr_interception(vcpu, svm->msrpm, MSR_IA32_PRED_CMD, 0, 1); - break; case MSR_AMD64_VIRT_SPEC_CTRL: if (!msr->host_initiated && !guest_cpuid_has(vcpu, X86_FEATURE_VIRT_SSBD)) @@ -3009,10 +2995,10 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr) * guest via direct_access_msrs, and switch it via user return. */ preempt_disable(); - r = kvm_set_user_return_msr(tsc_aux_uret_slot, data, -1ull); + ret = kvm_set_user_return_msr(tsc_aux_uret_slot, data, -1ull); preempt_enable(); - if (r) - return 1; + if (ret) + break; svm->tsc_aux = data; break; @@ -3070,7 +3056,7 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr) default: return kvm_set_msr_common(vcpu, msr); } - return 0; + return ret; } static int msr_interception(struct kvm_vcpu *vcpu) @@ -4151,6 +4137,14 @@ static void svm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu) svm_recalc_instruction_intercepts(vcpu, svm); + if (boot_cpu_has(X86_FEATURE_IBPB)) + set_msr_interception(vcpu, svm->msrpm, MSR_IA32_PRED_CMD, 0, + !!guest_has_pred_cmd_msr(vcpu)); + + if (boot_cpu_has(X86_FEATURE_FLUSH_L1D)) + set_msr_interception(vcpu, svm->msrpm, MSR_IA32_FLUSH_CMD, 0, + !!guest_cpuid_has(vcpu, X86_FEATURE_FLUSH_L1D)); + /* For sev guests, the memory encryption bit is not reserved in CR3. */ if (sev_guest(vcpu->kvm)) { best = kvm_find_cpuid_entry(vcpu, 0x8000001F); diff --git a/arch/x86/kvm/vmx/hyperv.c b/arch/x86/kvm/vmx/hyperv.c index 22daca752797..79450e1ed7cf 100644 --- a/arch/x86/kvm/vmx/hyperv.c +++ b/arch/x86/kvm/vmx/hyperv.c @@ -13,7 +13,110 @@ #define CC KVM_NESTED_VMENTER_CONSISTENCY_CHECK -DEFINE_STATIC_KEY_FALSE(enable_evmcs); +/* + * Enlightened VMCSv1 doesn't support these: + * + * POSTED_INTR_NV = 0x00000002, + * GUEST_INTR_STATUS = 0x00000810, + * APIC_ACCESS_ADDR = 0x00002014, + * POSTED_INTR_DESC_ADDR = 0x00002016, + * EOI_EXIT_BITMAP0 = 0x0000201c, + * EOI_EXIT_BITMAP1 = 0x0000201e, + * EOI_EXIT_BITMAP2 = 0x00002020, + * EOI_EXIT_BITMAP3 = 0x00002022, + * GUEST_PML_INDEX = 0x00000812, + * PML_ADDRESS = 0x0000200e, + * VM_FUNCTION_CONTROL = 0x00002018, + * EPTP_LIST_ADDRESS = 0x00002024, + * VMREAD_BITMAP = 0x00002026, + * VMWRITE_BITMAP = 0x00002028, + * + * TSC_MULTIPLIER = 0x00002032, + * PLE_GAP = 0x00004020, + * PLE_WINDOW = 0x00004022, + * VMX_PREEMPTION_TIMER_VALUE = 0x0000482E, + * + * Currently unsupported in KVM: + * GUEST_IA32_RTIT_CTL = 0x00002814, + */ +#define EVMCS1_SUPPORTED_PINCTRL \ + (PIN_BASED_ALWAYSON_WITHOUT_TRUE_MSR | \ + PIN_BASED_EXT_INTR_MASK | \ + PIN_BASED_NMI_EXITING | \ + PIN_BASED_VIRTUAL_NMIS) + +#define EVMCS1_SUPPORTED_EXEC_CTRL \ + (CPU_BASED_ALWAYSON_WITHOUT_TRUE_MSR | \ + CPU_BASED_HLT_EXITING | \ + CPU_BASED_CR3_LOAD_EXITING | \ + CPU_BASED_CR3_STORE_EXITING | \ + CPU_BASED_UNCOND_IO_EXITING | \ + CPU_BASED_MOV_DR_EXITING | \ + CPU_BASED_USE_TSC_OFFSETTING | \ + CPU_BASED_MWAIT_EXITING | \ + CPU_BASED_MONITOR_EXITING | \ + CPU_BASED_INVLPG_EXITING | \ + CPU_BASED_RDPMC_EXITING | \ + CPU_BASED_INTR_WINDOW_EXITING | \ + CPU_BASED_CR8_LOAD_EXITING | \ + CPU_BASED_CR8_STORE_EXITING | \ + CPU_BASED_RDTSC_EXITING | \ + CPU_BASED_TPR_SHADOW | \ + CPU_BASED_USE_IO_BITMAPS | \ + CPU_BASED_MONITOR_TRAP_FLAG | \ + CPU_BASED_USE_MSR_BITMAPS | \ + CPU_BASED_NMI_WINDOW_EXITING | \ + CPU_BASED_PAUSE_EXITING | \ + CPU_BASED_ACTIVATE_SECONDARY_CONTROLS) + +#define EVMCS1_SUPPORTED_2NDEXEC \ + (SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE | \ + SECONDARY_EXEC_WBINVD_EXITING | \ + SECONDARY_EXEC_ENABLE_VPID | \ + SECONDARY_EXEC_ENABLE_EPT | \ + SECONDARY_EXEC_UNRESTRICTED_GUEST | \ + SECONDARY_EXEC_DESC | \ + SECONDARY_EXEC_ENABLE_RDTSCP | \ + SECONDARY_EXEC_ENABLE_INVPCID | \ + SECONDARY_EXEC_XSAVES | \ + SECONDARY_EXEC_RDSEED_EXITING | \ + SECONDARY_EXEC_RDRAND_EXITING | \ + SECONDARY_EXEC_TSC_SCALING | \ + SECONDARY_EXEC_ENABLE_USR_WAIT_PAUSE | \ + SECONDARY_EXEC_PT_USE_GPA | \ + SECONDARY_EXEC_PT_CONCEAL_VMX | \ + SECONDARY_EXEC_BUS_LOCK_DETECTION | \ + SECONDARY_EXEC_NOTIFY_VM_EXITING | \ + SECONDARY_EXEC_ENCLS_EXITING) + +#define EVMCS1_SUPPORTED_3RDEXEC (0ULL) + +#define EVMCS1_SUPPORTED_VMEXIT_CTRL \ + (VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR | \ + VM_EXIT_SAVE_DEBUG_CONTROLS | \ + VM_EXIT_ACK_INTR_ON_EXIT | \ + VM_EXIT_HOST_ADDR_SPACE_SIZE | \ + VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL | \ + VM_EXIT_SAVE_IA32_PAT | \ + VM_EXIT_LOAD_IA32_PAT | \ + VM_EXIT_SAVE_IA32_EFER | \ + VM_EXIT_LOAD_IA32_EFER | \ + VM_EXIT_CLEAR_BNDCFGS | \ + VM_EXIT_PT_CONCEAL_PIP | \ + VM_EXIT_CLEAR_IA32_RTIT_CTL) + +#define EVMCS1_SUPPORTED_VMENTRY_CTRL \ + (VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR | \ + VM_ENTRY_LOAD_DEBUG_CONTROLS | \ + VM_ENTRY_IA32E_MODE | \ + VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL | \ + VM_ENTRY_LOAD_IA32_PAT | \ + VM_ENTRY_LOAD_IA32_EFER | \ + VM_ENTRY_LOAD_BNDCFGS | \ + VM_ENTRY_PT_CONCEAL_PIP | \ + VM_ENTRY_LOAD_IA32_RTIT_CTL) + +#define EVMCS1_SUPPORTED_VMFUNC (0) #define EVMCS1_OFFSET(x) offsetof(struct hv_enlightened_vmcs, x) #define EVMCS1_FIELD(number, name, clean_field)[ROL16(number, 6)] = \ @@ -506,6 +609,8 @@ int nested_evmcs_check_controls(struct vmcs12 *vmcs12) } #if IS_ENABLED(CONFIG_HYPERV) +DEFINE_STATIC_KEY_FALSE(__kvm_is_using_evmcs); + /* * KVM on Hyper-V always uses the latest known eVMCSv1 revision, the assumption * is: in case a feature has corresponding fields in eVMCS described and it was diff --git a/arch/x86/kvm/vmx/hyperv.h b/arch/x86/kvm/vmx/hyperv.h index 78d17667e7ec..9623fe1651c4 100644 --- a/arch/x86/kvm/vmx/hyperv.h +++ b/arch/x86/kvm/vmx/hyperv.h @@ -16,117 +16,10 @@ struct vmcs_config; -DECLARE_STATIC_KEY_FALSE(enable_evmcs); - #define current_evmcs ((struct hv_enlightened_vmcs *)this_cpu_read(current_vmcs)) #define KVM_EVMCS_VERSION 1 -/* - * Enlightened VMCSv1 doesn't support these: - * - * POSTED_INTR_NV = 0x00000002, - * GUEST_INTR_STATUS = 0x00000810, - * APIC_ACCESS_ADDR = 0x00002014, - * POSTED_INTR_DESC_ADDR = 0x00002016, - * EOI_EXIT_BITMAP0 = 0x0000201c, - * EOI_EXIT_BITMAP1 = 0x0000201e, - * EOI_EXIT_BITMAP2 = 0x00002020, - * EOI_EXIT_BITMAP3 = 0x00002022, - * GUEST_PML_INDEX = 0x00000812, - * PML_ADDRESS = 0x0000200e, - * VM_FUNCTION_CONTROL = 0x00002018, - * EPTP_LIST_ADDRESS = 0x00002024, - * VMREAD_BITMAP = 0x00002026, - * VMWRITE_BITMAP = 0x00002028, - * - * TSC_MULTIPLIER = 0x00002032, - * PLE_GAP = 0x00004020, - * PLE_WINDOW = 0x00004022, - * VMX_PREEMPTION_TIMER_VALUE = 0x0000482E, - * - * Currently unsupported in KVM: - * GUEST_IA32_RTIT_CTL = 0x00002814, - */ -#define EVMCS1_SUPPORTED_PINCTRL \ - (PIN_BASED_ALWAYSON_WITHOUT_TRUE_MSR | \ - PIN_BASED_EXT_INTR_MASK | \ - PIN_BASED_NMI_EXITING | \ - PIN_BASED_VIRTUAL_NMIS) - -#define EVMCS1_SUPPORTED_EXEC_CTRL \ - (CPU_BASED_ALWAYSON_WITHOUT_TRUE_MSR | \ - CPU_BASED_HLT_EXITING | \ - CPU_BASED_CR3_LOAD_EXITING | \ - CPU_BASED_CR3_STORE_EXITING | \ - CPU_BASED_UNCOND_IO_EXITING | \ - CPU_BASED_MOV_DR_EXITING | \ - CPU_BASED_USE_TSC_OFFSETTING | \ - CPU_BASED_MWAIT_EXITING | \ - CPU_BASED_MONITOR_EXITING | \ - CPU_BASED_INVLPG_EXITING | \ - CPU_BASED_RDPMC_EXITING | \ - CPU_BASED_INTR_WINDOW_EXITING | \ - CPU_BASED_CR8_LOAD_EXITING | \ - CPU_BASED_CR8_STORE_EXITING | \ - CPU_BASED_RDTSC_EXITING | \ - CPU_BASED_TPR_SHADOW | \ - CPU_BASED_USE_IO_BITMAPS | \ - CPU_BASED_MONITOR_TRAP_FLAG | \ - CPU_BASED_USE_MSR_BITMAPS | \ - CPU_BASED_NMI_WINDOW_EXITING | \ - CPU_BASED_PAUSE_EXITING | \ - CPU_BASED_ACTIVATE_SECONDARY_CONTROLS) - -#define EVMCS1_SUPPORTED_2NDEXEC \ - (SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE | \ - SECONDARY_EXEC_WBINVD_EXITING | \ - SECONDARY_EXEC_ENABLE_VPID | \ - SECONDARY_EXEC_ENABLE_EPT | \ - SECONDARY_EXEC_UNRESTRICTED_GUEST | \ - SECONDARY_EXEC_DESC | \ - SECONDARY_EXEC_ENABLE_RDTSCP | \ - SECONDARY_EXEC_ENABLE_INVPCID | \ - SECONDARY_EXEC_XSAVES | \ - SECONDARY_EXEC_RDSEED_EXITING | \ - SECONDARY_EXEC_RDRAND_EXITING | \ - SECONDARY_EXEC_TSC_SCALING | \ - SECONDARY_EXEC_ENABLE_USR_WAIT_PAUSE | \ - SECONDARY_EXEC_PT_USE_GPA | \ - SECONDARY_EXEC_PT_CONCEAL_VMX | \ - SECONDARY_EXEC_BUS_LOCK_DETECTION | \ - SECONDARY_EXEC_NOTIFY_VM_EXITING | \ - SECONDARY_EXEC_ENCLS_EXITING) - -#define EVMCS1_SUPPORTED_3RDEXEC (0ULL) - -#define EVMCS1_SUPPORTED_VMEXIT_CTRL \ - (VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR | \ - VM_EXIT_SAVE_DEBUG_CONTROLS | \ - VM_EXIT_ACK_INTR_ON_EXIT | \ - VM_EXIT_HOST_ADDR_SPACE_SIZE | \ - VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL | \ - VM_EXIT_SAVE_IA32_PAT | \ - VM_EXIT_LOAD_IA32_PAT | \ - VM_EXIT_SAVE_IA32_EFER | \ - VM_EXIT_LOAD_IA32_EFER | \ - VM_EXIT_CLEAR_BNDCFGS | \ - VM_EXIT_PT_CONCEAL_PIP | \ - VM_EXIT_CLEAR_IA32_RTIT_CTL) - -#define EVMCS1_SUPPORTED_VMENTRY_CTRL \ - (VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR | \ - VM_ENTRY_LOAD_DEBUG_CONTROLS | \ - VM_ENTRY_IA32E_MODE | \ - VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL | \ - VM_ENTRY_LOAD_IA32_PAT | \ - VM_ENTRY_LOAD_IA32_EFER | \ - VM_ENTRY_LOAD_BNDCFGS | \ - VM_ENTRY_PT_CONCEAL_PIP | \ - VM_ENTRY_LOAD_IA32_RTIT_CTL) - -#define EVMCS1_SUPPORTED_VMFUNC (0) - struct evmcs_field { u16 offset; u16 clean_field; @@ -174,6 +67,13 @@ static inline u64 evmcs_read_any(struct hv_enlightened_vmcs *evmcs, #if IS_ENABLED(CONFIG_HYPERV) +DECLARE_STATIC_KEY_FALSE(__kvm_is_using_evmcs); + +static __always_inline bool kvm_is_using_evmcs(void) +{ + return static_branch_unlikely(&__kvm_is_using_evmcs); +} + static __always_inline int get_evmcs_offset(unsigned long field, u16 *clean_field) { @@ -263,6 +163,7 @@ static inline void evmcs_load(u64 phys_addr) void evmcs_sanitize_exec_ctrls(struct vmcs_config *vmcs_conf); #else /* !IS_ENABLED(CONFIG_HYPERV) */ +static __always_inline bool kvm_is_using_evmcs(void) { return false; } static __always_inline void evmcs_write64(unsigned long field, u64 value) {} static __always_inline void evmcs_write32(unsigned long field, u32 value) {} static __always_inline void evmcs_write16(unsigned long field, u16 value) {} diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 7c4f5ca405c7..f63b28f46a71 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -654,6 +654,9 @@ static inline bool nested_vmx_prepare_msr_bitmap(struct kvm_vcpu *vcpu, nested_vmx_set_intercept_for_msr(vmx, msr_bitmap_l1, msr_bitmap_l0, MSR_IA32_PRED_CMD, MSR_TYPE_W); + nested_vmx_set_intercept_for_msr(vmx, msr_bitmap_l1, msr_bitmap_l0, + MSR_IA32_FLUSH_CMD, MSR_TYPE_W); + kvm_vcpu_unmap(vcpu, &vmx->nested.msr_bitmap_map, false); vmx->nested.force_msr_bitmap_recalc = false; @@ -2903,7 +2906,7 @@ static int nested_vmx_check_address_space_size(struct kvm_vcpu *vcpu, static int nested_vmx_check_host_state(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12) { - bool ia32e; + bool ia32e = !!(vmcs12->vm_exit_controls & VM_EXIT_HOST_ADDR_SPACE_SIZE); if (CC(!nested_host_cr0_valid(vcpu, vmcs12->host_cr0)) || CC(!nested_host_cr4_valid(vcpu, vmcs12->host_cr4)) || @@ -2923,12 +2926,6 @@ static int nested_vmx_check_host_state(struct kvm_vcpu *vcpu, vmcs12->host_ia32_perf_global_ctrl))) return -EINVAL; -#ifdef CONFIG_X86_64 - ia32e = !!(vmcs12->vm_exit_controls & VM_EXIT_HOST_ADDR_SPACE_SIZE); -#else - ia32e = false; -#endif - if (ia32e) { if (CC(!(vmcs12->host_cr4 & X86_CR4_PAE))) return -EINVAL; @@ -3022,7 +3019,7 @@ static int nested_vmx_check_guest_state(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12, enum vm_entry_failure_code *entry_failure_code) { - bool ia32e; + bool ia32e = !!(vmcs12->vm_entry_controls & VM_ENTRY_IA32E_MODE); *entry_failure_code = ENTRY_FAIL_DEFAULT; @@ -3048,6 +3045,13 @@ static int nested_vmx_check_guest_state(struct kvm_vcpu *vcpu, vmcs12->guest_ia32_perf_global_ctrl))) return -EINVAL; + if (CC((vmcs12->guest_cr0 & (X86_CR0_PG | X86_CR0_PE)) == X86_CR0_PG)) + return -EINVAL; + + if (CC(ia32e && !(vmcs12->guest_cr4 & X86_CR4_PAE)) || + CC(ia32e && !(vmcs12->guest_cr0 & X86_CR0_PG))) + return -EINVAL; + /* * If the load IA32_EFER VM-entry control is 1, the following checks * are performed on the field for the IA32_EFER MSR: @@ -3059,7 +3063,6 @@ static int nested_vmx_check_guest_state(struct kvm_vcpu *vcpu, */ if (to_vmx(vcpu)->nested.nested_run_pending && (vmcs12->vm_entry_controls & VM_ENTRY_LOAD_IA32_EFER)) { - ia32e = (vmcs12->vm_entry_controls & VM_ENTRY_IA32E_MODE) != 0; if (CC(!kvm_valid_efer(vcpu, vmcs12->guest_ia32_efer)) || CC(ia32e != !!(vmcs12->guest_ia32_efer & EFER_LMA)) || CC(((vmcs12->guest_cr0 & X86_CR0_PG) && diff --git a/arch/x86/kvm/vmx/vmenter.S b/arch/x86/kvm/vmx/vmenter.S index f550540ed54e..631fd7da2bc3 100644 --- a/arch/x86/kvm/vmx/vmenter.S +++ b/arch/x86/kvm/vmx/vmenter.S @@ -262,7 +262,7 @@ SYM_INNER_LABEL(vmx_vmexit, SYM_L_GLOBAL) * eIBRS has its own protection against poisoned RSB, so it doesn't * need the RSB filling sequence. But it does need to be enabled, and a * single call to retire, before the first unbalanced RET. - */ + */ FILL_RETURN_BUFFER %_ASM_CX, RSB_CLEAR_LOOPS, X86_FEATURE_RSB_VMEXIT,\ X86_FEATURE_RSB_VMEXIT_LITE @@ -311,7 +311,7 @@ SYM_FUNC_END(vmx_do_nmi_irqoff) * vmread_error_trampoline - Trampoline from inline asm to vmread_error() * @field: VMCS field encoding that failed * @fault: %true if the VMREAD faulted, %false if it failed - + * * Save and restore volatile registers across a call to vmread_error(). Note, * all parameters are passed on the stack. */ diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index bcac3efcde41..56e0c7ae961d 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -164,6 +164,7 @@ module_param(allow_smaller_maxphyaddr, bool, S_IRUGO); static u32 vmx_possible_passthrough_msrs[MAX_POSSIBLE_PASSTHROUGH_MSRS] = { MSR_IA32_SPEC_CTRL, MSR_IA32_PRED_CMD, + MSR_IA32_FLUSH_CMD, MSR_IA32_TSC, #ifdef CONFIG_X86_64 MSR_FS_BASE, @@ -579,7 +580,7 @@ static __init void hv_init_evmcs(void) if (enlightened_vmcs) { pr_info("Using Hyper-V Enlightened VMCS\n"); - static_branch_enable(&enable_evmcs); + static_branch_enable(&__kvm_is_using_evmcs); } if (ms_hyperv.nested_features & HV_X64_NESTED_DIRECT_FLUSH) @@ -595,7 +596,7 @@ static void hv_reset_evmcs(void) { struct hv_vp_assist_page *vp_ap; - if (!static_branch_unlikely(&enable_evmcs)) + if (!kvm_is_using_evmcs()) return; /* @@ -874,7 +875,7 @@ void vmx_update_exception_bitmap(struct kvm_vcpu *vcpu) */ if (is_guest_mode(vcpu)) eb |= get_vmcs12(vcpu)->exception_bitmap; - else { + else { int mask = 0, match = 0; if (enable_ept && (eb & (1u << PF_VECTOR))) { @@ -1282,7 +1283,7 @@ void vmx_prepare_switch_to_guest(struct kvm_vcpu *vcpu) } } - if (vmx->nested.need_vmcs12_to_shadow_sync) + if (vmx->nested.need_vmcs12_to_shadow_sync) nested_sync_vmcs12_to_shadow(vcpu); if (vmx->guest_state_loaded) @@ -2285,33 +2286,6 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) if (data & ~(TSX_CTRL_RTM_DISABLE | TSX_CTRL_CPUID_CLEAR)) return 1; goto find_uret_msr; - case MSR_IA32_PRED_CMD: - if (!msr_info->host_initiated && - !guest_has_pred_cmd_msr(vcpu)) - return 1; - - if (data & ~PRED_CMD_IBPB) - return 1; - if (!boot_cpu_has(X86_FEATURE_IBPB)) - return 1; - if (!data) - break; - - wrmsrl(MSR_IA32_PRED_CMD, PRED_CMD_IBPB); - - /* - * For non-nested: - * When it's written (to non-zero) for the first time, pass - * it through. - * - * For nested: - * The handling of the MSR bitmap for L2 guests is done in - * nested_vmx_prepare_msr_bitmap. We should not touch the - * vmcs02.msr_bitmap here since it gets completely overwritten - * in the merging. - */ - vmx_disable_intercept_for_msr(vcpu, MSR_IA32_PRED_CMD, MSR_TYPE_W); - break; case MSR_IA32_CR_PAT: if (!kvm_pat_valid(data)) return 1; @@ -2816,8 +2790,7 @@ static int vmx_hardware_enable(void) * This can happen if we hot-added a CPU but failed to allocate * VP assist page for it. */ - if (static_branch_unlikely(&enable_evmcs) && - !hv_get_vp_assist_page(cpu)) + if (kvm_is_using_evmcs() && !hv_get_vp_assist_page(cpu)) return -EFAULT; intel_pt_handle_vmx(1); @@ -2869,7 +2842,7 @@ struct vmcs *alloc_vmcs_cpu(bool shadow, int cpu, gfp_t flags) memset(vmcs, 0, vmcs_config.size); /* KVM supports Enlightened VMCS v1 only */ - if (static_branch_unlikely(&enable_evmcs)) + if (kvm_is_using_evmcs()) vmcs->hdr.revision_id = KVM_EVMCS_VERSION; else vmcs->hdr.revision_id = vmcs_config.revision_id; @@ -2964,7 +2937,7 @@ static __init int alloc_kvm_area(void) * still be marked with revision_id reported by * physical CPU. */ - if (static_branch_unlikely(&enable_evmcs)) + if (kvm_is_using_evmcs()) vmcs->hdr.revision_id = vmcs_config.revision_id; per_cpu(vmxarea, cpu) = vmcs; @@ -3931,7 +3904,7 @@ static void vmx_msr_bitmap_l01_changed(struct vcpu_vmx *vmx) * 'Enlightened MSR Bitmap' feature L0 needs to know that MSR * bitmap has changed. */ - if (IS_ENABLED(CONFIG_HYPERV) && static_branch_unlikely(&enable_evmcs)) { + if (kvm_is_using_evmcs()) { struct hv_enlightened_vmcs *evmcs = (void *)vmx->vmcs01.vmcs; if (evmcs->hv_enlightenments_control.msr_bitmap) @@ -5049,10 +5022,10 @@ static int vmx_interrupt_allowed(struct kvm_vcpu *vcpu, bool for_injection) if (to_vmx(vcpu)->nested.nested_run_pending) return -EBUSY; - /* - * An IRQ must not be injected into L2 if it's supposed to VM-Exit, - * e.g. if the IRQ arrived asynchronously after checking nested events. - */ + /* + * An IRQ must not be injected into L2 if it's supposed to VM-Exit, + * e.g. if the IRQ arrived asynchronously after checking nested events. + */ if (for_injection && is_guest_mode(vcpu) && nested_exit_on_intr(vcpu)) return -EBUSY; @@ -7310,7 +7283,7 @@ static fastpath_t vmx_vcpu_run(struct kvm_vcpu *vcpu) vmx_vcpu_enter_exit(vcpu, __vmx_vcpu_run_flags(vmx)); /* All fields are clean at this point */ - if (static_branch_unlikely(&enable_evmcs)) { + if (kvm_is_using_evmcs()) { current_evmcs->hv_clean_fields |= HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL; @@ -7440,7 +7413,7 @@ static int vmx_vcpu_create(struct kvm_vcpu *vcpu) * feature only for vmcs01, KVM currently isn't equipped to realize any * performance benefits from enabling it for vmcs02. */ - if (IS_ENABLED(CONFIG_HYPERV) && static_branch_unlikely(&enable_evmcs) && + if (kvm_is_using_evmcs() && (ms_hyperv.nested_features & HV_X64_NESTED_MSR_BITMAP)) { struct hv_enlightened_vmcs *evmcs = (void *)vmx->vmcs01.vmcs; @@ -7744,6 +7717,13 @@ static void vmx_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu) vmx_set_intercept_for_msr(vcpu, MSR_IA32_XFD_ERR, MSR_TYPE_R, !guest_cpuid_has(vcpu, X86_FEATURE_XFD)); + if (boot_cpu_has(X86_FEATURE_IBPB)) + vmx_set_intercept_for_msr(vcpu, MSR_IA32_PRED_CMD, MSR_TYPE_W, + !guest_has_pred_cmd_msr(vcpu)); + + if (boot_cpu_has(X86_FEATURE_FLUSH_L1D)) + vmx_set_intercept_for_msr(vcpu, MSR_IA32_FLUSH_CMD, MSR_TYPE_W, + !guest_cpuid_has(vcpu, X86_FEATURE_FLUSH_L1D)); set_cr4_guest_host_mask(vmx); diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h index 2acdc54bc34b..cb766f65a3eb 100644 --- a/arch/x86/kvm/vmx/vmx.h +++ b/arch/x86/kvm/vmx/vmx.h @@ -369,7 +369,7 @@ struct vcpu_vmx { struct lbr_desc lbr_desc; /* Save desired MSR intercept (read: pass-through) state */ -#define MAX_POSSIBLE_PASSTHROUGH_MSRS 15 +#define MAX_POSSIBLE_PASSTHROUGH_MSRS 16 struct { DECLARE_BITMAP(read, MAX_POSSIBLE_PASSTHROUGH_MSRS); DECLARE_BITMAP(write, MAX_POSSIBLE_PASSTHROUGH_MSRS); diff --git a/arch/x86/kvm/vmx/vmx_ops.h b/arch/x86/kvm/vmx/vmx_ops.h index db95bde52998..ce47dc265f89 100644 --- a/arch/x86/kvm/vmx/vmx_ops.h +++ b/arch/x86/kvm/vmx/vmx_ops.h @@ -147,7 +147,7 @@ do_exception: static __always_inline u16 vmcs_read16(unsigned long field) { vmcs_check16(field); - if (static_branch_unlikely(&enable_evmcs)) + if (kvm_is_using_evmcs()) return evmcs_read16(field); return __vmcs_readl(field); } @@ -155,7 +155,7 @@ static __always_inline u16 vmcs_read16(unsigned long field) static __always_inline u32 vmcs_read32(unsigned long field) { vmcs_check32(field); - if (static_branch_unlikely(&enable_evmcs)) + if (kvm_is_using_evmcs()) return evmcs_read32(field); return __vmcs_readl(field); } @@ -163,7 +163,7 @@ static __always_inline u32 vmcs_read32(unsigned long field) static __always_inline u64 vmcs_read64(unsigned long field) { vmcs_check64(field); - if (static_branch_unlikely(&enable_evmcs)) + if (kvm_is_using_evmcs()) return evmcs_read64(field); #ifdef CONFIG_X86_64 return __vmcs_readl(field); @@ -175,7 +175,7 @@ static __always_inline u64 vmcs_read64(unsigned long field) static __always_inline unsigned long vmcs_readl(unsigned long field) { vmcs_checkl(field); - if (static_branch_unlikely(&enable_evmcs)) + if (kvm_is_using_evmcs()) return evmcs_read64(field); return __vmcs_readl(field); } @@ -222,7 +222,7 @@ static __always_inline void __vmcs_writel(unsigned long field, unsigned long val static __always_inline void vmcs_write16(unsigned long field, u16 value) { vmcs_check16(field); - if (static_branch_unlikely(&enable_evmcs)) + if (kvm_is_using_evmcs()) return evmcs_write16(field, value); __vmcs_writel(field, value); @@ -231,7 +231,7 @@ static __always_inline void vmcs_write16(unsigned long field, u16 value) static __always_inline void vmcs_write32(unsigned long field, u32 value) { vmcs_check32(field); - if (static_branch_unlikely(&enable_evmcs)) + if (kvm_is_using_evmcs()) return evmcs_write32(field, value); __vmcs_writel(field, value); @@ -240,7 +240,7 @@ static __always_inline void vmcs_write32(unsigned long field, u32 value) static __always_inline void vmcs_write64(unsigned long field, u64 value) { vmcs_check64(field); - if (static_branch_unlikely(&enable_evmcs)) + if (kvm_is_using_evmcs()) return evmcs_write64(field, value); __vmcs_writel(field, value); @@ -252,7 +252,7 @@ static __always_inline void vmcs_write64(unsigned long field, u64 value) static __always_inline void vmcs_writel(unsigned long field, unsigned long value) { vmcs_checkl(field); - if (static_branch_unlikely(&enable_evmcs)) + if (kvm_is_using_evmcs()) return evmcs_write64(field, value); __vmcs_writel(field, value); @@ -262,7 +262,7 @@ static __always_inline void vmcs_clear_bits(unsigned long field, u32 mask) { BUILD_BUG_ON_MSG(__builtin_constant_p(field) && ((field) & 0x6000) == 0x2000, "vmcs_clear_bits does not support 64-bit fields"); - if (static_branch_unlikely(&enable_evmcs)) + if (kvm_is_using_evmcs()) return evmcs_write32(field, evmcs_read32(field) & ~mask); __vmcs_writel(field, __vmcs_readl(field) & ~mask); @@ -272,7 +272,7 @@ static __always_inline void vmcs_set_bits(unsigned long field, u32 mask) { BUILD_BUG_ON_MSG(__builtin_constant_p(field) && ((field) & 0x6000) == 0x2000, "vmcs_set_bits does not support 64-bit fields"); - if (static_branch_unlikely(&enable_evmcs)) + if (kvm_is_using_evmcs()) return evmcs_write32(field, evmcs_read32(field) | mask); __vmcs_writel(field, __vmcs_readl(field) | mask); @@ -289,7 +289,7 @@ static inline void vmcs_load(struct vmcs *vmcs) { u64 phys_addr = __pa(vmcs); - if (static_branch_unlikely(&enable_evmcs)) + if (kvm_is_using_evmcs()) return evmcs_load(phys_addr); vmx_asm1(vmptrld, "m"(phys_addr), vmcs, phys_addr); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 7713420abab0..3c58dbae7b4c 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3617,6 +3617,29 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) vcpu->arch.perf_capabilities = data; kvm_pmu_refresh(vcpu); return 0; + case MSR_IA32_PRED_CMD: + if (!msr_info->host_initiated && !guest_has_pred_cmd_msr(vcpu)) + return 1; + + if (!boot_cpu_has(X86_FEATURE_IBPB) || (data & ~PRED_CMD_IBPB)) + return 1; + if (!data) + break; + + wrmsrl(MSR_IA32_PRED_CMD, PRED_CMD_IBPB); + break; + case MSR_IA32_FLUSH_CMD: + if (!msr_info->host_initiated && + !guest_cpuid_has(vcpu, X86_FEATURE_FLUSH_L1D)) + return 1; + + if (!boot_cpu_has(X86_FEATURE_FLUSH_L1D) || (data & ~L1D_FLUSH)) + return 1; + if (!data) + break; + + wrmsrl(MSR_IA32_FLUSH_CMD, L1D_FLUSH); + break; case MSR_EFER: return set_efer(vcpu, msr_info); case MSR_K7_HWCR: @@ -6021,11 +6044,6 @@ static int kvm_vm_ioctl_set_nr_mmu_pages(struct kvm *kvm, return 0; } -static unsigned long kvm_vm_ioctl_get_nr_mmu_pages(struct kvm *kvm) -{ - return kvm->arch.n_max_mmu_pages; -} - static int kvm_vm_ioctl_get_irqchip(struct kvm *kvm, struct kvm_irqchip *chip) { struct kvm_pic *pic = kvm->arch.vpic; @@ -6672,8 +6690,7 @@ static int kvm_vm_ioctl_set_clock(struct kvm *kvm, void __user *argp) return 0; } -long kvm_arch_vm_ioctl(struct file *filp, - unsigned int ioctl, unsigned long arg) +int kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) { struct kvm *kvm = filp->private_data; void __user *argp = (void __user *)arg; @@ -6711,9 +6728,6 @@ set_identity_unlock: case KVM_SET_NR_MMU_PAGES: r = kvm_vm_ioctl_set_nr_mmu_pages(kvm, arg); break; - case KVM_GET_NR_MMU_PAGES: - r = kvm_vm_ioctl_get_nr_mmu_pages(kvm); - break; case KVM_CREATE_IRQCHIP: { mutex_lock(&kvm->lock); @@ -8463,7 +8477,6 @@ static int handle_emulation_failure(struct kvm_vcpu *vcpu, int emulation_type) } static bool reexecute_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, - bool write_fault_to_shadow_pgtable, int emulation_type) { gpa_t gpa = cr2_or_gpa; @@ -8534,7 +8547,7 @@ static bool reexecute_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, * be fixed by unprotecting shadow page and it should * be reported to userspace. */ - return !write_fault_to_shadow_pgtable; + return !(emulation_type & EMULTYPE_WRITE_PF_TO_SP); } static bool retry_instruction(struct x86_emulate_ctxt *ctxt, @@ -8782,20 +8795,12 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, int r; struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; bool writeback = true; - bool write_fault_to_spt; if (unlikely(!kvm_can_emulate_insn(vcpu, emulation_type, insn, insn_len))) return 1; vcpu->arch.l1tf_flush_l1d = true; - /* - * Clear write_fault_to_shadow_pgtable here to ensure it is - * never reused. - */ - write_fault_to_spt = vcpu->arch.write_fault_to_shadow_pgtable; - vcpu->arch.write_fault_to_shadow_pgtable = false; - if (!(emulation_type & EMULTYPE_NO_DECODE)) { kvm_clear_exception_queue(vcpu); @@ -8816,7 +8821,6 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, return 1; } if (reexecute_instruction(vcpu, cr2_or_gpa, - write_fault_to_spt, emulation_type)) return 1; @@ -8895,8 +8899,7 @@ restart: return 1; if (r == EMULATION_FAILED) { - if (reexecute_instruction(vcpu, cr2_or_gpa, write_fault_to_spt, - emulation_type)) + if (reexecute_instruction(vcpu, cr2_or_gpa, emulation_type)) return 1; return handle_emulation_failure(vcpu, emulation_type); diff --git a/include/kvm/arm_arch_timer.h b/include/kvm/arm_arch_timer.h index 71916de7c6c4..c52a6e6839da 100644 --- a/include/kvm/arm_arch_timer.h +++ b/include/kvm/arm_arch_timer.h @@ -23,6 +23,19 @@ enum kvm_arch_timer_regs { TIMER_REG_CTL, }; +struct arch_timer_offset { + /* + * If set, pointer to one of the offsets in the kvm's offset + * structure. If NULL, assume a zero offset. + */ + u64 *vm_offset; +}; + +struct arch_timer_vm_data { + /* Offset applied to the virtual timer/counter */ + u64 voffset; +}; + struct arch_timer_context { struct kvm_vcpu *vcpu; @@ -32,6 +45,8 @@ struct arch_timer_context { /* Emulated Timer (may be unused) */ struct hrtimer hrtimer; + /* Offset for this counter/timer */ + struct arch_timer_offset offset; /* * We have multiple paths which can save/restore the timer state onto * the hardware, so we need some way of keeping track of where the diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 8ada23756b0e..90edc16d37e5 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -1397,8 +1397,7 @@ int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_level, bool line_status); int kvm_vm_ioctl_enable_cap(struct kvm *kvm, struct kvm_enable_cap *cap); -long kvm_arch_vm_ioctl(struct file *filp, - unsigned int ioctl, unsigned long arg); +int kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg); long kvm_arch_vm_compat_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg); diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index d77aef872a0a..4003a166328c 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -1451,7 +1451,7 @@ struct kvm_vfio_spapr_tce { #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) -#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) +#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */ #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ struct kvm_userspace_memory_region) #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h index d77aef872a0a..4003a166328c 100644 --- a/tools/include/uapi/linux/kvm.h +++ b/tools/include/uapi/linux/kvm.h @@ -1451,7 +1451,7 @@ struct kvm_vfio_spapr_tce { #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) -#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) +#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */ #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ struct kvm_userspace_memory_region) #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) diff --git a/tools/testing/selftests/kvm/aarch64/psci_test.c b/tools/testing/selftests/kvm/aarch64/psci_test.c index cfa36f387948..9b004905d1d3 100644 --- a/tools/testing/selftests/kvm/aarch64/psci_test.c +++ b/tools/testing/selftests/kvm/aarch64/psci_test.c @@ -180,9 +180,7 @@ static void host_test_system_suspend(void) enter_guest(source); - TEST_ASSERT(run->exit_reason == KVM_EXIT_SYSTEM_EVENT, - "Unhandled exit reason: %u (%s)", - run->exit_reason, exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(source, KVM_EXIT_SYSTEM_EVENT); TEST_ASSERT(run->system_event.type == KVM_SYSTEM_EVENT_SUSPEND, "Unhandled system event: %u (expected: %u)", run->system_event.type, KVM_SYSTEM_EVENT_SUSPEND); diff --git a/tools/testing/selftests/kvm/include/test_util.h b/tools/testing/selftests/kvm/include/test_util.h index 80d6416f3012..a6e9f215ce70 100644 --- a/tools/testing/selftests/kvm/include/test_util.h +++ b/tools/testing/selftests/kvm/include/test_util.h @@ -63,6 +63,15 @@ void test_assert(bool exp, const char *exp_str, #a, #b, #a, (unsigned long) __a, #b, (unsigned long) __b); \ } while (0) +#define TEST_ASSERT_KVM_EXIT_REASON(vcpu, expected) do { \ + __u32 exit_reason = (vcpu)->run->exit_reason; \ + \ + TEST_ASSERT(exit_reason == (expected), \ + "Wanted KVM exit reason: %u (%s), got: %u (%s)", \ + (expected), exit_reason_str((expected)), \ + exit_reason, exit_reason_str(exit_reason)); \ +} while (0) + #define TEST_FAIL(fmt, ...) do { \ TEST_ASSERT(false, fmt, ##__VA_ARGS__); \ __builtin_unreachable(); \ diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h index 53ffa43c90db..90387ddcb2a9 100644 --- a/tools/testing/selftests/kvm/include/x86_64/processor.h +++ b/tools/testing/selftests/kvm/include/x86_64/processor.h @@ -1063,6 +1063,8 @@ uint64_t *vm_get_page_table_entry(struct kvm_vm *vm, uint64_t vaddr); uint64_t kvm_hypercall(uint64_t nr, uint64_t a0, uint64_t a1, uint64_t a2, uint64_t a3); +uint64_t __xen_hypercall(uint64_t nr, uint64_t a0, void *a1); +void xen_hypercall(uint64_t nr, uint64_t a0, void *a1); void __vm_xsave_require_permission(int bit, const char *name); diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index 3ea24a5f4c43..8ec20ac33de0 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -1815,38 +1815,53 @@ void vm_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent) vcpu_dump(stream, vcpu, indent + 2); } +#define KVM_EXIT_STRING(x) {KVM_EXIT_##x, #x} + /* Known KVM exit reasons */ static struct exit_reason { unsigned int reason; const char *name; } exit_reasons_known[] = { - {KVM_EXIT_UNKNOWN, "UNKNOWN"}, - {KVM_EXIT_EXCEPTION, "EXCEPTION"}, - {KVM_EXIT_IO, "IO"}, - {KVM_EXIT_HYPERCALL, "HYPERCALL"}, - {KVM_EXIT_DEBUG, "DEBUG"}, - {KVM_EXIT_HLT, "HLT"}, - {KVM_EXIT_MMIO, "MMIO"}, - {KVM_EXIT_IRQ_WINDOW_OPEN, "IRQ_WINDOW_OPEN"}, - {KVM_EXIT_SHUTDOWN, "SHUTDOWN"}, - {KVM_EXIT_FAIL_ENTRY, "FAIL_ENTRY"}, - {KVM_EXIT_INTR, "INTR"}, - {KVM_EXIT_SET_TPR, "SET_TPR"}, - {KVM_EXIT_TPR_ACCESS, "TPR_ACCESS"}, - {KVM_EXIT_S390_SIEIC, "S390_SIEIC"}, - {KVM_EXIT_S390_RESET, "S390_RESET"}, - {KVM_EXIT_DCR, "DCR"}, - {KVM_EXIT_NMI, "NMI"}, - {KVM_EXIT_INTERNAL_ERROR, "INTERNAL_ERROR"}, - {KVM_EXIT_OSI, "OSI"}, - {KVM_EXIT_PAPR_HCALL, "PAPR_HCALL"}, - {KVM_EXIT_DIRTY_RING_FULL, "DIRTY_RING_FULL"}, - {KVM_EXIT_X86_RDMSR, "RDMSR"}, - {KVM_EXIT_X86_WRMSR, "WRMSR"}, - {KVM_EXIT_XEN, "XEN"}, - {KVM_EXIT_HYPERV, "HYPERV"}, + KVM_EXIT_STRING(UNKNOWN), + KVM_EXIT_STRING(EXCEPTION), + KVM_EXIT_STRING(IO), + KVM_EXIT_STRING(HYPERCALL), + KVM_EXIT_STRING(DEBUG), + KVM_EXIT_STRING(HLT), + KVM_EXIT_STRING(MMIO), + KVM_EXIT_STRING(IRQ_WINDOW_OPEN), + KVM_EXIT_STRING(SHUTDOWN), + KVM_EXIT_STRING(FAIL_ENTRY), + KVM_EXIT_STRING(INTR), + KVM_EXIT_STRING(SET_TPR), + KVM_EXIT_STRING(TPR_ACCESS), + KVM_EXIT_STRING(S390_SIEIC), + KVM_EXIT_STRING(S390_RESET), + KVM_EXIT_STRING(DCR), + KVM_EXIT_STRING(NMI), + KVM_EXIT_STRING(INTERNAL_ERROR), + KVM_EXIT_STRING(OSI), + KVM_EXIT_STRING(PAPR_HCALL), + KVM_EXIT_STRING(S390_UCONTROL), + KVM_EXIT_STRING(WATCHDOG), + KVM_EXIT_STRING(S390_TSCH), + KVM_EXIT_STRING(EPR), + KVM_EXIT_STRING(SYSTEM_EVENT), + KVM_EXIT_STRING(S390_STSI), + KVM_EXIT_STRING(IOAPIC_EOI), + KVM_EXIT_STRING(HYPERV), + KVM_EXIT_STRING(ARM_NISV), + KVM_EXIT_STRING(X86_RDMSR), + KVM_EXIT_STRING(X86_WRMSR), + KVM_EXIT_STRING(DIRTY_RING_FULL), + KVM_EXIT_STRING(AP_RESET_HOLD), + KVM_EXIT_STRING(X86_BUS_LOCK), + KVM_EXIT_STRING(XEN), + KVM_EXIT_STRING(RISCV_SBI), + KVM_EXIT_STRING(RISCV_CSR), + KVM_EXIT_STRING(NOTIFY), #ifdef KVM_EXIT_MEMORY_NOT_PRESENT - {KVM_EXIT_MEMORY_NOT_PRESENT, "MEMORY_NOT_PRESENT"}, + KVM_EXIT_STRING(MEMORY_NOT_PRESENT), #endif }; diff --git a/tools/testing/selftests/kvm/lib/s390x/diag318_test_handler.c b/tools/testing/selftests/kvm/lib/s390x/diag318_test_handler.c index cdb7daeed5fd..2c432fa164f1 100644 --- a/tools/testing/selftests/kvm/lib/s390x/diag318_test_handler.c +++ b/tools/testing/selftests/kvm/lib/s390x/diag318_test_handler.c @@ -35,8 +35,7 @@ static uint64_t diag318_handler(void) vcpu_run(vcpu); run = vcpu->run; - TEST_ASSERT(run->exit_reason == KVM_EXIT_S390_SIEIC, - "DIAGNOSE 0x0318 instruction was not intercepted"); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_S390_SIEIC); TEST_ASSERT(run->s390_sieic.icptcode == ICPT_INSTRUCTION, "Unexpected intercept code: 0x%x", run->s390_sieic.icptcode); TEST_ASSERT((run->s390_sieic.ipa & 0xff00) == IPA0_DIAG, diff --git a/tools/testing/selftests/kvm/lib/test_util.c b/tools/testing/selftests/kvm/lib/test_util.c index 5c22fa4c2825..b772193f6c18 100644 --- a/tools/testing/selftests/kvm/lib/test_util.c +++ b/tools/testing/selftests/kvm/lib/test_util.c @@ -165,26 +165,33 @@ size_t get_trans_hugepagesz(void) size_t get_def_hugetlb_pagesz(void) { char buf[64]; - const char *tag = "Hugepagesize:"; + const char *hugepagesize = "Hugepagesize:"; + const char *hugepages_total = "HugePages_Total:"; FILE *f; f = fopen("/proc/meminfo", "r"); TEST_ASSERT(f != NULL, "Error in opening /proc/meminfo"); while (fgets(buf, sizeof(buf), f) != NULL) { - if (strstr(buf, tag) == buf) { + if (strstr(buf, hugepages_total) == buf) { + unsigned long long total = strtoull(buf + strlen(hugepages_total), NULL, 10); + if (!total) { + fprintf(stderr, "HUGETLB is not enabled in /proc/sys/vm/nr_hugepages\n"); + exit(KSFT_SKIP); + } + } + if (strstr(buf, hugepagesize) == buf) { fclose(f); - return strtoull(buf + strlen(tag), NULL, 10) << 10; + return strtoull(buf + strlen(hugepagesize), NULL, 10) << 10; } } - if (feof(f)) - TEST_FAIL("HUGETLB is not configured in host kernel"); - else - TEST_FAIL("Error in reading /proc/meminfo"); + if (feof(f)) { + fprintf(stderr, "HUGETLB is not configured in host kernel"); + exit(KSFT_SKIP); + } - fclose(f); - return 0; + TEST_FAIL("Error in reading /proc/meminfo"); } #define ANON_FLAGS (MAP_PRIVATE | MAP_ANONYMOUS) diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c index ae1e573d94ce..c39a4353ba19 100644 --- a/tools/testing/selftests/kvm/lib/x86_64/processor.c +++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c @@ -1139,21 +1139,36 @@ const struct kvm_cpuid_entry2 *get_cpuid_entry(const struct kvm_cpuid2 *cpuid, return NULL; } +#define X86_HYPERCALL(inputs...) \ +({ \ + uint64_t r; \ + \ + asm volatile("test %[use_vmmcall], %[use_vmmcall]\n\t" \ + "jnz 1f\n\t" \ + "vmcall\n\t" \ + "jmp 2f\n\t" \ + "1: vmmcall\n\t" \ + "2:" \ + : "=a"(r) \ + : [use_vmmcall] "r" (host_cpu_is_amd), inputs); \ + \ + r; \ +}) + uint64_t kvm_hypercall(uint64_t nr, uint64_t a0, uint64_t a1, uint64_t a2, uint64_t a3) { - uint64_t r; - - asm volatile("test %[use_vmmcall], %[use_vmmcall]\n\t" - "jnz 1f\n\t" - "vmcall\n\t" - "jmp 2f\n\t" - "1: vmmcall\n\t" - "2:" - : "=a"(r) - : "a"(nr), "b"(a0), "c"(a1), "d"(a2), "S"(a3), - [use_vmmcall] "r" (host_cpu_is_amd)); - return r; + return X86_HYPERCALL("a"(nr), "b"(a0), "c"(a1), "d"(a2), "S"(a3)); +} + +uint64_t __xen_hypercall(uint64_t nr, uint64_t a0, void *a1) +{ + return X86_HYPERCALL("a"(nr), "D"(a0), "S"(a1)); +} + +void xen_hypercall(uint64_t nr, uint64_t a0, void *a1) +{ + GUEST_ASSERT(!__xen_hypercall(nr, a0, a1)); } const struct kvm_cpuid2 *kvm_get_supported_hv_cpuid(void) diff --git a/tools/testing/selftests/kvm/s390x/sync_regs_test.c b/tools/testing/selftests/kvm/s390x/sync_regs_test.c index 2ddde41c44ba..636a70ddac1e 100644 --- a/tools/testing/selftests/kvm/s390x/sync_regs_test.c +++ b/tools/testing/selftests/kvm/s390x/sync_regs_test.c @@ -126,10 +126,7 @@ void test_req_and_verify_all_valid_regs(struct kvm_vcpu *vcpu) run->kvm_valid_regs = TEST_SYNC_FIELDS; rv = _vcpu_run(vcpu); TEST_ASSERT(rv == 0, "vcpu_run failed: %d\n", rv); - TEST_ASSERT(run->exit_reason == KVM_EXIT_S390_SIEIC, - "Unexpected exit reason: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_S390_SIEIC); TEST_ASSERT(run->s390_sieic.icptcode == 4 && (run->s390_sieic.ipa >> 8) == 0x83 && (run->s390_sieic.ipb >> 16) == 0x501, @@ -165,10 +162,7 @@ void test_set_and_verify_various_reg_values(struct kvm_vcpu *vcpu) rv = _vcpu_run(vcpu); TEST_ASSERT(rv == 0, "vcpu_run failed: %d\n", rv); - TEST_ASSERT(run->exit_reason == KVM_EXIT_S390_SIEIC, - "Unexpected exit reason: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_S390_SIEIC); TEST_ASSERT(run->s.regs.gprs[11] == 0xBAD1DEA + 1, "r11 sync regs value incorrect 0x%llx.", run->s.regs.gprs[11]); @@ -200,10 +194,7 @@ void test_clear_kvm_dirty_regs_bits(struct kvm_vcpu *vcpu) run->s.regs.diag318 = 0x4B1D; rv = _vcpu_run(vcpu); TEST_ASSERT(rv == 0, "vcpu_run failed: %d\n", rv); - TEST_ASSERT(run->exit_reason == KVM_EXIT_S390_SIEIC, - "Unexpected exit reason: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_S390_SIEIC); TEST_ASSERT(run->s.regs.gprs[11] != 0xDEADBEEF, "r11 sync regs value incorrect 0x%llx.", run->s.regs.gprs[11]); diff --git a/tools/testing/selftests/kvm/set_memory_region_test.c b/tools/testing/selftests/kvm/set_memory_region_test.c index 2ef1d1b72ce4..a849ce23ca97 100644 --- a/tools/testing/selftests/kvm/set_memory_region_test.c +++ b/tools/testing/selftests/kvm/set_memory_region_test.c @@ -308,7 +308,6 @@ static void test_delete_memory_region(void) static void test_zero_memory_regions(void) { struct kvm_vcpu *vcpu; - struct kvm_run *run; struct kvm_vm *vm; pr_info("Testing KVM_RUN with zero added memory regions\n"); @@ -318,10 +317,7 @@ static void test_zero_memory_regions(void) vm_ioctl(vm, KVM_SET_NR_MMU_PAGES, (void *)64ul); vcpu_run(vcpu); - - run = vcpu->run; - TEST_ASSERT(run->exit_reason == KVM_EXIT_INTERNAL_ERROR, - "Unexpected exit_reason = %u\n", run->exit_reason); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_INTERNAL_ERROR); kvm_vm_free(vm); } diff --git a/tools/testing/selftests/kvm/x86_64/amx_test.c b/tools/testing/selftests/kvm/x86_64/amx_test.c index bd72c6eb3b67..b646cdb5055a 100644 --- a/tools/testing/selftests/kvm/x86_64/amx_test.c +++ b/tools/testing/selftests/kvm/x86_64/amx_test.c @@ -241,7 +241,6 @@ int main(int argc, char *argv[]) struct kvm_regs regs1, regs2; struct kvm_vcpu *vcpu; struct kvm_vm *vm; - struct kvm_run *run; struct kvm_x86_state *state; int xsave_restore_size; vm_vaddr_t amx_cfg, tiledata, xsavedata; @@ -268,7 +267,6 @@ int main(int argc, char *argv[]) "KVM should enumerate max XSAVE size when XSAVE is supported"); xsave_restore_size = kvm_cpu_property(X86_PROPERTY_XSTATE_MAX_SIZE); - run = vcpu->run; vcpu_regs_get(vcpu, ®s1); /* Register #NM handler */ @@ -291,10 +289,7 @@ int main(int argc, char *argv[]) for (stage = 1; ; stage++) { vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Stage %d: unexpected exit reason: %u (%s),\n", - stage, run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: @@ -350,7 +345,6 @@ int main(int argc, char *argv[]) /* Restore state in a new VM. */ vcpu = vm_recreate_with_one_vcpu(vm); vcpu_load_state(vcpu, state); - run = vcpu->run; kvm_x86_state_cleanup(state); memset(®s2, 0, sizeof(regs2)); diff --git a/tools/testing/selftests/kvm/x86_64/cr4_cpuid_sync_test.c b/tools/testing/selftests/kvm/x86_64/cr4_cpuid_sync_test.c index 1027a671c7d3..624dc725e14d 100644 --- a/tools/testing/selftests/kvm/x86_64/cr4_cpuid_sync_test.c +++ b/tools/testing/selftests/kvm/x86_64/cr4_cpuid_sync_test.c @@ -50,7 +50,6 @@ static void guest_code(void) int main(int argc, char *argv[]) { struct kvm_vcpu *vcpu; - struct kvm_run *run; struct kvm_vm *vm; struct kvm_sregs sregs; struct ucall uc; @@ -58,15 +57,10 @@ int main(int argc, char *argv[]) TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_XSAVE)); vm = vm_create_with_one_vcpu(&vcpu, guest_code); - run = vcpu->run; while (1) { vcpu_run(vcpu); - - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Unexpected exit reason: %u (%s),\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_SYNC: diff --git a/tools/testing/selftests/kvm/x86_64/debug_regs.c b/tools/testing/selftests/kvm/x86_64/debug_regs.c index 7ef99c3359a0..f6b295e0b2d2 100644 --- a/tools/testing/selftests/kvm/x86_64/debug_regs.c +++ b/tools/testing/selftests/kvm/x86_64/debug_regs.c @@ -204,7 +204,7 @@ int main(void) vcpu_guest_debug_set(vcpu, &debug); vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, "KVM_EXIT_IO"); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); cmd = get_ucall(vcpu, &uc); TEST_ASSERT(cmd == UCALL_DONE, "UCALL_DONE"); diff --git a/tools/testing/selftests/kvm/x86_64/flds_emulation.h b/tools/testing/selftests/kvm/x86_64/flds_emulation.h index e43a7df25f2c..0a1573d52882 100644 --- a/tools/testing/selftests/kvm/x86_64/flds_emulation.h +++ b/tools/testing/selftests/kvm/x86_64/flds_emulation.h @@ -24,10 +24,7 @@ static inline void handle_flds_emulation_failure_exit(struct kvm_vcpu *vcpu) uint8_t *insn_bytes; uint64_t flags; - TEST_ASSERT(run->exit_reason == KVM_EXIT_INTERNAL_ERROR, - "Unexpected exit reason: %u (%s)", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_INTERNAL_ERROR); TEST_ASSERT(run->emulation_failure.suberror == KVM_INTERNAL_ERROR_EMULATION, "Unexpected suberror: %u", diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_clock.c b/tools/testing/selftests/kvm/x86_64/hyperv_clock.c index 2ee0af0d449e..f25749eaa6a8 100644 --- a/tools/testing/selftests/kvm/x86_64/hyperv_clock.c +++ b/tools/testing/selftests/kvm/x86_64/hyperv_clock.c @@ -207,13 +207,11 @@ int main(void) { struct kvm_vcpu *vcpu; struct kvm_vm *vm; - struct kvm_run *run; struct ucall uc; vm_vaddr_t tsc_page_gva; int stage; vm = vm_create_with_one_vcpu(&vcpu, guest_main); - run = vcpu->run; vcpu_set_hv_cpuid(vcpu); @@ -227,10 +225,7 @@ int main(void) for (stage = 1;; stage++) { vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Stage %d: unexpected exit reason: %u (%s),\n", - stage, run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_evmcs.c b/tools/testing/selftests/kvm/x86_64/hyperv_evmcs.c index af29e5776d40..7bde0c4dfdbd 100644 --- a/tools/testing/selftests/kvm/x86_64/hyperv_evmcs.c +++ b/tools/testing/selftests/kvm/x86_64/hyperv_evmcs.c @@ -237,7 +237,6 @@ int main(int argc, char *argv[]) struct kvm_vcpu *vcpu; struct kvm_vm *vm; - struct kvm_run *run; struct ucall uc; int stage; @@ -266,13 +265,8 @@ int main(int argc, char *argv[]) pr_info("Running L1 which uses EVMCS to run L2\n"); for (stage = 1;; stage++) { - run = vcpu->run; - vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Stage %d: unexpected exit reason: %u (%s),\n", - stage, run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_features.c b/tools/testing/selftests/kvm/x86_64/hyperv_features.c index c5e3b39edd07..78606de9385d 100644 --- a/tools/testing/selftests/kvm/x86_64/hyperv_features.c +++ b/tools/testing/selftests/kvm/x86_64/hyperv_features.c @@ -122,7 +122,6 @@ static void guest_test_msrs_access(void) { struct kvm_cpuid2 *prev_cpuid = NULL; struct kvm_vcpu *vcpu; - struct kvm_run *run; struct kvm_vm *vm; struct ucall uc; int stage = 0; @@ -151,8 +150,6 @@ static void guest_test_msrs_access(void) vm_init_descriptor_tables(vm); vcpu_init_descriptor_tables(vcpu); - run = vcpu->run; - /* TODO: Make this entire test easier to maintain. */ if (stage >= 21) vcpu_enable_cap(vcpu, KVM_CAP_HYPERV_SYNIC2, 0); @@ -494,9 +491,7 @@ static void guest_test_msrs_access(void) msr->idx, msr->write ? "write" : "read"); vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "unexpected exit reason: %u (%s)", - run->exit_reason, exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: @@ -518,7 +513,6 @@ static void guest_test_hcalls_access(void) { struct kvm_cpuid2 *prev_cpuid = NULL; struct kvm_vcpu *vcpu; - struct kvm_run *run; struct kvm_vm *vm; struct ucall uc; int stage = 0; @@ -550,8 +544,6 @@ static void guest_test_hcalls_access(void) vcpu_init_cpuid(vcpu, prev_cpuid); } - run = vcpu->run; - switch (stage) { case 0: vcpu_set_cpuid_feature(vcpu, HV_MSR_HYPERCALL_AVAILABLE); @@ -669,9 +661,7 @@ static void guest_test_hcalls_access(void) pr_debug("Stage %d: testing hcall: 0x%lx\n", stage, hcall->control); vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "unexpected exit reason: %u (%s)", - run->exit_reason, exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_ipi.c b/tools/testing/selftests/kvm/x86_64/hyperv_ipi.c index 0cbb0e646ef8..6feb5ddb031d 100644 --- a/tools/testing/selftests/kvm/x86_64/hyperv_ipi.c +++ b/tools/testing/selftests/kvm/x86_64/hyperv_ipi.c @@ -243,7 +243,6 @@ int main(int argc, char *argv[]) { struct kvm_vm *vm; struct kvm_vcpu *vcpu[3]; - unsigned int exit_reason; vm_vaddr_t hcall_page; pthread_t threads[2]; int stage = 1, r; @@ -283,10 +282,7 @@ int main(int argc, char *argv[]) while (true) { vcpu_run(vcpu[0]); - exit_reason = vcpu[0]->run->exit_reason; - TEST_ASSERT(exit_reason == KVM_EXIT_IO, - "unexpected exit reason: %u (%s)", - exit_reason, exit_reason_str(exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu[0], KVM_EXIT_IO); switch (get_ucall(vcpu[0], &uc)) { case UCALL_SYNC: diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_svm_test.c b/tools/testing/selftests/kvm/x86_64/hyperv_svm_test.c index 68a7d354ea07..e446d76d1c0c 100644 --- a/tools/testing/selftests/kvm/x86_64/hyperv_svm_test.c +++ b/tools/testing/selftests/kvm/x86_64/hyperv_svm_test.c @@ -156,7 +156,6 @@ int main(int argc, char *argv[]) vm_vaddr_t hcall_page; struct kvm_vcpu *vcpu; struct kvm_vm *vm; - struct kvm_run *run; struct ucall uc; int stage; @@ -165,7 +164,6 @@ int main(int argc, char *argv[]) /* Create VM */ vm = vm_create_with_one_vcpu(&vcpu, guest_code); vcpu_set_hv_cpuid(vcpu); - run = vcpu->run; vcpu_alloc_svm(vm, &nested_gva); vcpu_alloc_hyperv_test_pages(vm, &hv_pages_gva); @@ -177,10 +175,7 @@ int main(int argc, char *argv[]) for (stage = 1;; stage++) { vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Stage %d: unexpected exit reason: %u (%s),\n", - stage, run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_tlb_flush.c b/tools/testing/selftests/kvm/x86_64/hyperv_tlb_flush.c index 68f97ff720a7..4758b6ef5618 100644 --- a/tools/testing/selftests/kvm/x86_64/hyperv_tlb_flush.c +++ b/tools/testing/selftests/kvm/x86_64/hyperv_tlb_flush.c @@ -542,18 +542,13 @@ static void *vcpu_thread(void *arg) struct ucall uc; int old; int r; - unsigned int exit_reason; r = pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &old); TEST_ASSERT(!r, "pthread_setcanceltype failed on vcpu_id=%u with errno=%d", vcpu->id, r); vcpu_run(vcpu); - exit_reason = vcpu->run->exit_reason; - - TEST_ASSERT(exit_reason == KVM_EXIT_IO, - "vCPU %u exited with unexpected exit reason %u-%s, expected KVM_EXIT_IO", - vcpu->id, exit_reason, exit_reason_str(exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: @@ -587,7 +582,6 @@ int main(int argc, char *argv[]) { struct kvm_vm *vm; struct kvm_vcpu *vcpu[3]; - unsigned int exit_reason; pthread_t threads[2]; vm_vaddr_t test_data_page, gva; vm_paddr_t gpa; @@ -657,11 +651,7 @@ int main(int argc, char *argv[]) while (true) { vcpu_run(vcpu[0]); - exit_reason = vcpu[0]->run->exit_reason; - - TEST_ASSERT(exit_reason == KVM_EXIT_IO, - "unexpected exit reason: %u (%s)", - exit_reason, exit_reason_str(exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu[0], KVM_EXIT_IO); switch (get_ucall(vcpu[0], &uc)) { case UCALL_SYNC: diff --git a/tools/testing/selftests/kvm/x86_64/kvm_clock_test.c b/tools/testing/selftests/kvm/x86_64/kvm_clock_test.c index 813ce282cf56..1778704360a6 100644 --- a/tools/testing/selftests/kvm/x86_64/kvm_clock_test.c +++ b/tools/testing/selftests/kvm/x86_64/kvm_clock_test.c @@ -105,7 +105,6 @@ static void setup_clock(struct kvm_vm *vm, struct test_case *test_case) static void enter_guest(struct kvm_vcpu *vcpu) { struct kvm_clock_data start, end; - struct kvm_run *run = vcpu->run; struct kvm_vm *vm = vcpu->vm; struct ucall uc; int i; @@ -118,9 +117,7 @@ static void enter_guest(struct kvm_vcpu *vcpu) vcpu_run(vcpu); vm_ioctl(vm, KVM_GET_CLOCK, &end); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "unexpected exit reason: %u (%s)", - run->exit_reason, exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_SYNC: diff --git a/tools/testing/selftests/kvm/x86_64/kvm_pv_test.c b/tools/testing/selftests/kvm/x86_64/kvm_pv_test.c index 619655c1a1f3..f774a9e62858 100644 --- a/tools/testing/selftests/kvm/x86_64/kvm_pv_test.c +++ b/tools/testing/selftests/kvm/x86_64/kvm_pv_test.c @@ -111,14 +111,11 @@ static void pr_hcall(struct ucall *uc) static void enter_guest(struct kvm_vcpu *vcpu) { - struct kvm_run *run = vcpu->run; struct ucall uc; while (true) { vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "unexpected exit reason: %u (%s)", - run->exit_reason, exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_PR_MSR: diff --git a/tools/testing/selftests/kvm/x86_64/monitor_mwait_test.c b/tools/testing/selftests/kvm/x86_64/monitor_mwait_test.c index 016070cad36e..72812644d7f5 100644 --- a/tools/testing/selftests/kvm/x86_64/monitor_mwait_test.c +++ b/tools/testing/selftests/kvm/x86_64/monitor_mwait_test.c @@ -64,7 +64,6 @@ int main(int argc, char *argv[]) { uint64_t disabled_quirks; struct kvm_vcpu *vcpu; - struct kvm_run *run; struct kvm_vm *vm; struct ucall uc; int testcase; @@ -74,18 +73,12 @@ int main(int argc, char *argv[]) vm = vm_create_with_one_vcpu(&vcpu, guest_code); vcpu_clear_cpuid_feature(vcpu, X86_FEATURE_MWAIT); - run = vcpu->run; - vm_init_descriptor_tables(vm); vcpu_init_descriptor_tables(vcpu); while (1) { vcpu_run(vcpu); - - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Unexpected exit reason: %u (%s),\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_SYNC: diff --git a/tools/testing/selftests/kvm/x86_64/nested_exceptions_test.c b/tools/testing/selftests/kvm/x86_64/nested_exceptions_test.c index ac33835f78f4..6502aa23c2f8 100644 --- a/tools/testing/selftests/kvm/x86_64/nested_exceptions_test.c +++ b/tools/testing/selftests/kvm/x86_64/nested_exceptions_test.c @@ -166,12 +166,9 @@ static void __attribute__((__flatten__)) l1_guest_code(void *test_data) static void assert_ucall_vector(struct kvm_vcpu *vcpu, int vector) { - struct kvm_run *run = vcpu->run; struct ucall uc; - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Unexpected exit reason: %u (%s),\n", - run->exit_reason, exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_SYNC: diff --git a/tools/testing/selftests/kvm/x86_64/platform_info_test.c b/tools/testing/selftests/kvm/x86_64/platform_info_test.c index 310a104d94f0..c9a07963d68a 100644 --- a/tools/testing/selftests/kvm/x86_64/platform_info_test.c +++ b/tools/testing/selftests/kvm/x86_64/platform_info_test.c @@ -36,15 +36,12 @@ static void guest_code(void) static void test_msr_platform_info_enabled(struct kvm_vcpu *vcpu) { - struct kvm_run *run = vcpu->run; struct ucall uc; vm_enable_cap(vcpu->vm, KVM_CAP_MSR_PLATFORM_INFO, true); vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Exit_reason other than KVM_EXIT_IO: %u (%s),\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); + get_ucall(vcpu, &uc); TEST_ASSERT(uc.cmd == UCALL_SYNC, "Received ucall other than UCALL_SYNC: %lu\n", uc.cmd); @@ -56,14 +53,9 @@ static void test_msr_platform_info_enabled(struct kvm_vcpu *vcpu) static void test_msr_platform_info_disabled(struct kvm_vcpu *vcpu) { - struct kvm_run *run = vcpu->run; - vm_enable_cap(vcpu->vm, KVM_CAP_MSR_PLATFORM_INFO, false); vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_SHUTDOWN, - "Exit_reason other than KVM_EXIT_SHUTDOWN: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_SHUTDOWN); } int main(int argc, char *argv[]) diff --git a/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c b/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c index bad7ef8c5b92..2feef25ba691 100644 --- a/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c +++ b/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c @@ -151,14 +151,10 @@ static void amd_guest_code(void) */ static uint64_t run_vcpu_to_sync(struct kvm_vcpu *vcpu) { - struct kvm_run *run = vcpu->run; struct ucall uc; vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Exit_reason other than KVM_EXIT_IO: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); get_ucall(vcpu, &uc); TEST_ASSERT(uc.cmd == UCALL_SYNC, "Received ucall other than UCALL_SYNC: %lu", uc.cmd); diff --git a/tools/testing/selftests/kvm/x86_64/smm_test.c b/tools/testing/selftests/kvm/x86_64/smm_test.c index cb38a478e1f6..e18b86666e1f 100644 --- a/tools/testing/selftests/kvm/x86_64/smm_test.c +++ b/tools/testing/selftests/kvm/x86_64/smm_test.c @@ -133,7 +133,6 @@ int main(int argc, char *argv[]) struct kvm_vcpu *vcpu; struct kvm_regs regs; struct kvm_vm *vm; - struct kvm_run *run; struct kvm_x86_state *state; int stage, stage_reported; @@ -142,8 +141,6 @@ int main(int argc, char *argv[]) /* Create VM */ vm = vm_create_with_one_vcpu(&vcpu, guest_code); - run = vcpu->run; - vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS, SMRAM_GPA, SMRAM_MEMSLOT, SMRAM_PAGES, 0); TEST_ASSERT(vm_phy_pages_alloc(vm, SMRAM_PAGES, SMRAM_GPA, SMRAM_MEMSLOT) @@ -169,10 +166,7 @@ int main(int argc, char *argv[]) for (stage = 1;; stage++) { vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Stage %d: unexpected exit reason: %u (%s),\n", - stage, run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); memset(®s, 0, sizeof(regs)); vcpu_regs_get(vcpu, ®s); @@ -208,7 +202,6 @@ int main(int argc, char *argv[]) vcpu = vm_recreate_with_one_vcpu(vm); vcpu_load_state(vcpu, state); - run = vcpu->run; kvm_x86_state_cleanup(state); } diff --git a/tools/testing/selftests/kvm/x86_64/state_test.c b/tools/testing/selftests/kvm/x86_64/state_test.c index ea578971fb9f..4c4925a8ab45 100644 --- a/tools/testing/selftests/kvm/x86_64/state_test.c +++ b/tools/testing/selftests/kvm/x86_64/state_test.c @@ -158,14 +158,12 @@ int main(int argc, char *argv[]) struct kvm_regs regs1, regs2; struct kvm_vcpu *vcpu; struct kvm_vm *vm; - struct kvm_run *run; struct kvm_x86_state *state; struct ucall uc; int stage; /* Create VM */ vm = vm_create_with_one_vcpu(&vcpu, guest_code); - run = vcpu->run; vcpu_regs_get(vcpu, ®s1); @@ -183,10 +181,7 @@ int main(int argc, char *argv[]) for (stage = 1;; stage++) { vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Stage %d: unexpected exit reason: %u (%s),\n", - stage, run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: @@ -214,7 +209,6 @@ int main(int argc, char *argv[]) /* Restore state in a new VM. */ vcpu = vm_recreate_with_one_vcpu(vm); vcpu_load_state(vcpu, state); - run = vcpu->run; kvm_x86_state_cleanup(state); memset(®s2, 0, sizeof(regs2)); diff --git a/tools/testing/selftests/kvm/x86_64/svm_int_ctl_test.c b/tools/testing/selftests/kvm/x86_64/svm_int_ctl_test.c index 4a07ba227b99..32bef39bec21 100644 --- a/tools/testing/selftests/kvm/x86_64/svm_int_ctl_test.c +++ b/tools/testing/selftests/kvm/x86_64/svm_int_ctl_test.c @@ -85,7 +85,6 @@ static void l1_guest_code(struct svm_test_data *svm) int main(int argc, char *argv[]) { struct kvm_vcpu *vcpu; - struct kvm_run *run; vm_vaddr_t svm_gva; struct kvm_vm *vm; struct ucall uc; @@ -103,13 +102,8 @@ int main(int argc, char *argv[]) vcpu_alloc_svm(vm, &svm_gva); vcpu_args_set(vcpu, 1, svm_gva); - run = vcpu->run; - vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Got exit_reason other than KVM_EXIT_IO: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: diff --git a/tools/testing/selftests/kvm/x86_64/svm_nested_shutdown_test.c b/tools/testing/selftests/kvm/x86_64/svm_nested_shutdown_test.c index e73fcdef47bb..d6fcdcc3af31 100644 --- a/tools/testing/selftests/kvm/x86_64/svm_nested_shutdown_test.c +++ b/tools/testing/selftests/kvm/x86_64/svm_nested_shutdown_test.c @@ -42,7 +42,6 @@ static void l1_guest_code(struct svm_test_data *svm, struct idt_entry *idt) int main(int argc, char *argv[]) { struct kvm_vcpu *vcpu; - struct kvm_run *run; vm_vaddr_t svm_gva; struct kvm_vm *vm; @@ -55,13 +54,9 @@ int main(int argc, char *argv[]) vcpu_alloc_svm(vm, &svm_gva); vcpu_args_set(vcpu, 2, svm_gva, vm->idt); - run = vcpu->run; vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_SHUTDOWN, - "Got exit_reason other than KVM_EXIT_SHUTDOWN: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_SHUTDOWN); kvm_vm_free(vm); } diff --git a/tools/testing/selftests/kvm/x86_64/svm_nested_soft_inject_test.c b/tools/testing/selftests/kvm/x86_64/svm_nested_soft_inject_test.c index b34980d45648..4e2479716da6 100644 --- a/tools/testing/selftests/kvm/x86_64/svm_nested_soft_inject_test.c +++ b/tools/testing/selftests/kvm/x86_64/svm_nested_soft_inject_test.c @@ -176,16 +176,12 @@ static void run_test(bool is_nmi) memset(&debug, 0, sizeof(debug)); vcpu_guest_debug_set(vcpu, &debug); - struct kvm_run *run = vcpu->run; struct ucall uc; alarm(2); vcpu_run(vcpu); alarm(0); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Got exit_reason other than KVM_EXIT_IO: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: diff --git a/tools/testing/selftests/kvm/x86_64/svm_vmcall_test.c b/tools/testing/selftests/kvm/x86_64/svm_vmcall_test.c index c3ac45df7483..8a62cca28cfb 100644 --- a/tools/testing/selftests/kvm/x86_64/svm_vmcall_test.c +++ b/tools/testing/selftests/kvm/x86_64/svm_vmcall_test.c @@ -47,14 +47,10 @@ int main(int argc, char *argv[]) vcpu_args_set(vcpu, 1, svm_gva); for (;;) { - volatile struct kvm_run *run = vcpu->run; struct ucall uc; vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Got exit_reason other than KVM_EXIT_IO: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: diff --git a/tools/testing/selftests/kvm/x86_64/sync_regs_test.c b/tools/testing/selftests/kvm/x86_64/sync_regs_test.c index d2f9b5bdfab2..2da89fdc2471 100644 --- a/tools/testing/selftests/kvm/x86_64/sync_regs_test.c +++ b/tools/testing/selftests/kvm/x86_64/sync_regs_test.c @@ -132,10 +132,7 @@ int main(int argc, char *argv[]) /* TODO: BUILD TIME CHECK: TEST_ASSERT(KVM_SYNC_X86_NUM_FIELDS != 3); */ run->kvm_valid_regs = TEST_SYNC_FIELDS; rv = _vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Unexpected exit reason: %u (%s),\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); vcpu_regs_get(vcpu, ®s); compare_regs(®s, &run->s.regs.regs); @@ -154,10 +151,7 @@ int main(int argc, char *argv[]) run->kvm_valid_regs = TEST_SYNC_FIELDS; run->kvm_dirty_regs = KVM_SYNC_X86_REGS | KVM_SYNC_X86_SREGS; rv = _vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Unexpected exit reason: %u (%s),\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); TEST_ASSERT(run->s.regs.regs.rbx == 0xBAD1DEA + 1, "rbx sync regs value incorrect 0x%llx.", run->s.regs.regs.rbx); @@ -181,10 +175,7 @@ int main(int argc, char *argv[]) run->kvm_dirty_regs = 0; run->s.regs.regs.rbx = 0xDEADBEEF; rv = _vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Unexpected exit reason: %u (%s),\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); TEST_ASSERT(run->s.regs.regs.rbx != 0xDEADBEEF, "rbx sync regs value incorrect 0x%llx.", run->s.regs.regs.rbx); @@ -199,10 +190,7 @@ int main(int argc, char *argv[]) regs.rbx = 0xBAC0; vcpu_regs_set(vcpu, ®s); rv = _vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Unexpected exit reason: %u (%s),\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); TEST_ASSERT(run->s.regs.regs.rbx == 0xAAAA, "rbx sync regs value incorrect 0x%llx.", run->s.regs.regs.rbx); @@ -219,10 +207,7 @@ int main(int argc, char *argv[]) run->kvm_dirty_regs = TEST_SYNC_FIELDS; run->s.regs.regs.rbx = 0xBBBB; rv = _vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Unexpected exit reason: %u (%s),\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); TEST_ASSERT(run->s.regs.regs.rbx == 0xBBBB, "rbx sync regs value incorrect 0x%llx.", run->s.regs.regs.rbx); diff --git a/tools/testing/selftests/kvm/x86_64/triple_fault_event_test.c b/tools/testing/selftests/kvm/x86_64/triple_fault_event_test.c index ead5d878a71c..56306a19144a 100644 --- a/tools/testing/selftests/kvm/x86_64/triple_fault_event_test.c +++ b/tools/testing/selftests/kvm/x86_64/triple_fault_event_test.c @@ -89,9 +89,7 @@ int main(void) run = vcpu->run; vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Expected KVM_EXIT_IO, got: %u (%s)\n", - run->exit_reason, exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); TEST_ASSERT(run->io.port == ARBITRARY_IO_PORT, "Expected IN from port %d from L2, got port %d", ARBITRARY_IO_PORT, run->io.port); @@ -111,10 +109,7 @@ int main(void) if (has_svm) { - TEST_ASSERT(run->exit_reason == KVM_EXIT_SHUTDOWN, - "Got exit_reason other than KVM_EXIT_SHUTDOWN: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_SHUTDOWN); } else { switch (get_ucall(vcpu, &uc)) { case UCALL_DONE: diff --git a/tools/testing/selftests/kvm/x86_64/tsc_scaling_sync.c b/tools/testing/selftests/kvm/x86_64/tsc_scaling_sync.c index 47139aab7408..5b669818e39a 100644 --- a/tools/testing/selftests/kvm/x86_64/tsc_scaling_sync.c +++ b/tools/testing/selftests/kvm/x86_64/tsc_scaling_sync.c @@ -64,14 +64,10 @@ static void *run_vcpu(void *_cpu_nr) pthread_spin_unlock(&create_lock); for (;;) { - volatile struct kvm_run *run = vcpu->run; struct ucall uc; vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Got exit_reason other than KVM_EXIT_IO: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_DONE: diff --git a/tools/testing/selftests/kvm/x86_64/ucna_injection_test.c b/tools/testing/selftests/kvm/x86_64/ucna_injection_test.c index a897c7fd8abe..85f34ca7e49e 100644 --- a/tools/testing/selftests/kvm/x86_64/ucna_injection_test.c +++ b/tools/testing/selftests/kvm/x86_64/ucna_injection_test.c @@ -137,15 +137,11 @@ static void guest_gp_handler(struct ex_regs *regs) static void run_vcpu_expect_gp(struct kvm_vcpu *vcpu) { - unsigned int exit_reason; struct ucall uc; vcpu_run(vcpu); - exit_reason = vcpu->run->exit_reason; - TEST_ASSERT(exit_reason == KVM_EXIT_IO, - "exited with unexpected exit reason %u-%s, expected KVM_EXIT_IO", - exit_reason, exit_reason_str(exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); TEST_ASSERT(get_ucall(vcpu, &uc) == UCALL_SYNC, "Expect UCALL_SYNC\n"); TEST_ASSERT(uc.args[1] == SYNC_GP, "#GP is expected."); @@ -182,7 +178,6 @@ static void *run_ucna_injection(void *arg) struct ucall uc; int old; int r; - unsigned int exit_reason; r = pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &old); TEST_ASSERT(r == 0, @@ -191,10 +186,7 @@ static void *run_ucna_injection(void *arg) vcpu_run(params->vcpu); - exit_reason = params->vcpu->run->exit_reason; - TEST_ASSERT(exit_reason == KVM_EXIT_IO, - "unexpected exit reason %u-%s, expected KVM_EXIT_IO", - exit_reason, exit_reason_str(exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(params->vcpu, KVM_EXIT_IO); TEST_ASSERT(get_ucall(params->vcpu, &uc) == UCALL_SYNC, "Expect UCALL_SYNC\n"); TEST_ASSERT(uc.args[1] == SYNC_FIRST_UCNA, "Injecting first UCNA."); @@ -204,10 +196,7 @@ static void *run_ucna_injection(void *arg) inject_ucna(params->vcpu, FIRST_UCNA_ADDR); vcpu_run(params->vcpu); - exit_reason = params->vcpu->run->exit_reason; - TEST_ASSERT(exit_reason == KVM_EXIT_IO, - "unexpected exit reason %u-%s, expected KVM_EXIT_IO", - exit_reason, exit_reason_str(exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(params->vcpu, KVM_EXIT_IO); TEST_ASSERT(get_ucall(params->vcpu, &uc) == UCALL_SYNC, "Expect UCALL_SYNC\n"); TEST_ASSERT(uc.args[1] == SYNC_SECOND_UCNA, "Injecting second UCNA."); @@ -217,10 +206,7 @@ static void *run_ucna_injection(void *arg) inject_ucna(params->vcpu, SECOND_UCNA_ADDR); vcpu_run(params->vcpu); - exit_reason = params->vcpu->run->exit_reason; - TEST_ASSERT(exit_reason == KVM_EXIT_IO, - "unexpected exit reason %u-%s, expected KVM_EXIT_IO", - exit_reason, exit_reason_str(exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(params->vcpu, KVM_EXIT_IO); if (get_ucall(params->vcpu, &uc) == UCALL_ABORT) { TEST_ASSERT(false, "vCPU assertion failure: %s.\n", (const char *)uc.args[0]); diff --git a/tools/testing/selftests/kvm/x86_64/userspace_io_test.c b/tools/testing/selftests/kvm/x86_64/userspace_io_test.c index 91076c9787b4..0cb51fa42773 100644 --- a/tools/testing/selftests/kvm/x86_64/userspace_io_test.c +++ b/tools/testing/selftests/kvm/x86_64/userspace_io_test.c @@ -63,11 +63,7 @@ int main(int argc, char *argv[]) while (1) { vcpu_run(vcpu); - - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Unexpected exit reason: %u (%s),\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); if (get_ucall(vcpu, &uc)) break; diff --git a/tools/testing/selftests/kvm/x86_64/userspace_msr_exit_test.c b/tools/testing/selftests/kvm/x86_64/userspace_msr_exit_test.c index 25fa55344a10..3533dc2fbfee 100644 --- a/tools/testing/selftests/kvm/x86_64/userspace_msr_exit_test.c +++ b/tools/testing/selftests/kvm/x86_64/userspace_msr_exit_test.c @@ -410,10 +410,7 @@ static void process_rdmsr(struct kvm_vcpu *vcpu, uint32_t msr_index) check_for_guest_assert(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_X86_RDMSR, - "Unexpected exit reason: %u (%s),\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_X86_RDMSR); TEST_ASSERT(run->msr.index == msr_index, "Unexpected msr (0x%04x), expected 0x%04x", run->msr.index, msr_index); @@ -445,10 +442,7 @@ static void process_wrmsr(struct kvm_vcpu *vcpu, uint32_t msr_index) check_for_guest_assert(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_X86_WRMSR, - "Unexpected exit reason: %u (%s),\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_X86_WRMSR); TEST_ASSERT(run->msr.index == msr_index, "Unexpected msr (0x%04x), expected 0x%04x", run->msr.index, msr_index); @@ -472,15 +466,11 @@ static void process_wrmsr(struct kvm_vcpu *vcpu, uint32_t msr_index) static void process_ucall_done(struct kvm_vcpu *vcpu) { - struct kvm_run *run = vcpu->run; struct ucall uc; check_for_guest_assert(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Unexpected exit reason: %u (%s)", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); TEST_ASSERT(get_ucall(vcpu, &uc) == UCALL_DONE, "Unexpected ucall command: %lu, expected UCALL_DONE (%d)", @@ -489,15 +479,11 @@ static void process_ucall_done(struct kvm_vcpu *vcpu) static uint64_t process_ucall(struct kvm_vcpu *vcpu) { - struct kvm_run *run = vcpu->run; struct ucall uc = {}; check_for_guest_assert(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Unexpected exit reason: %u (%s)", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_SYNC: diff --git a/tools/testing/selftests/kvm/x86_64/vmx_apic_access_test.c b/tools/testing/selftests/kvm/x86_64/vmx_apic_access_test.c index 5abecf06329e..2bed5fb3a0d6 100644 --- a/tools/testing/selftests/kvm/x86_64/vmx_apic_access_test.c +++ b/tools/testing/selftests/kvm/x86_64/vmx_apic_access_test.c @@ -96,21 +96,14 @@ int main(int argc, char *argv[]) vcpu_run(vcpu); if (apic_access_addr == high_gpa) { - TEST_ASSERT(run->exit_reason == - KVM_EXIT_INTERNAL_ERROR, - "Got exit reason other than KVM_EXIT_INTERNAL_ERROR: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_INTERNAL_ERROR); TEST_ASSERT(run->internal.suberror == KVM_INTERNAL_ERROR_EMULATION, "Got internal suberror other than KVM_INTERNAL_ERROR_EMULATION: %u\n", run->internal.suberror); break; } - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Got exit_reason other than KVM_EXIT_IO: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: diff --git a/tools/testing/selftests/kvm/x86_64/vmx_close_while_nested_test.c b/tools/testing/selftests/kvm/x86_64/vmx_close_while_nested_test.c index d79651b02740..dad988351493 100644 --- a/tools/testing/selftests/kvm/x86_64/vmx_close_while_nested_test.c +++ b/tools/testing/selftests/kvm/x86_64/vmx_close_while_nested_test.c @@ -64,10 +64,7 @@ int main(int argc, char *argv[]) struct ucall uc; vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Got exit_reason other than KVM_EXIT_IO: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); if (run->io.port == PORT_L0_EXIT) break; diff --git a/tools/testing/selftests/kvm/x86_64/vmx_dirty_log_test.c b/tools/testing/selftests/kvm/x86_64/vmx_dirty_log_test.c index f0456fb031b1..e4ad5fef52ff 100644 --- a/tools/testing/selftests/kvm/x86_64/vmx_dirty_log_test.c +++ b/tools/testing/selftests/kvm/x86_64/vmx_dirty_log_test.c @@ -73,7 +73,6 @@ int main(int argc, char *argv[]) struct kvm_vcpu *vcpu; struct kvm_vm *vm; - struct kvm_run *run; struct ucall uc; bool done = false; @@ -84,7 +83,6 @@ int main(int argc, char *argv[]) vm = vm_create_with_one_vcpu(&vcpu, l1_guest_code); vmx = vcpu_alloc_vmx(vm, &vmx_pages_gva); vcpu_args_set(vcpu, 1, vmx_pages_gva); - run = vcpu->run; /* Add an extra memory slot for testing dirty logging */ vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS, @@ -117,10 +115,7 @@ int main(int argc, char *argv[]) while (!done) { memset(host_test_mem, 0xaa, TEST_MEM_PAGES * 4096); vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Unexpected exit reason: %u (%s),\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: diff --git a/tools/testing/selftests/kvm/x86_64/vmx_exception_with_invalid_guest_state.c b/tools/testing/selftests/kvm/x86_64/vmx_exception_with_invalid_guest_state.c index ccdfa5dc1a4d..be0bdb8c6f78 100644 --- a/tools/testing/selftests/kvm/x86_64/vmx_exception_with_invalid_guest_state.c +++ b/tools/testing/selftests/kvm/x86_64/vmx_exception_with_invalid_guest_state.c @@ -26,9 +26,7 @@ static void __run_vcpu_with_invalid_state(struct kvm_vcpu *vcpu) vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_INTERNAL_ERROR, - "Expected KVM_EXIT_INTERNAL_ERROR, got %d (%s)\n", - run->exit_reason, exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_INTERNAL_ERROR); TEST_ASSERT(run->emulation_failure.suberror == KVM_INTERNAL_ERROR_EMULATION, "Expected emulation failure, got %d\n", run->emulation_failure.suberror); diff --git a/tools/testing/selftests/kvm/x86_64/vmx_invalid_nested_guest_state.c b/tools/testing/selftests/kvm/x86_64/vmx_invalid_nested_guest_state.c index 6bfb4bb471ca..a100ee5f0009 100644 --- a/tools/testing/selftests/kvm/x86_64/vmx_invalid_nested_guest_state.c +++ b/tools/testing/selftests/kvm/x86_64/vmx_invalid_nested_guest_state.c @@ -74,9 +74,7 @@ int main(int argc, char *argv[]) * The first exit to L0 userspace should be an I/O access from L2. * Running L1 should launch L2 without triggering an exit to userspace. */ - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Expected KVM_EXIT_IO, got: %u (%s)\n", - run->exit_reason, exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); TEST_ASSERT(run->io.port == ARBITRARY_IO_PORT, "Expected IN from port %d from L2, got port %d", diff --git a/tools/testing/selftests/kvm/x86_64/vmx_nested_tsc_scaling_test.c b/tools/testing/selftests/kvm/x86_64/vmx_nested_tsc_scaling_test.c index 465a9434d61c..d427eb146bc5 100644 --- a/tools/testing/selftests/kvm/x86_64/vmx_nested_tsc_scaling_test.c +++ b/tools/testing/selftests/kvm/x86_64/vmx_nested_tsc_scaling_test.c @@ -183,14 +183,10 @@ int main(int argc, char *argv[]) vcpu_ioctl(vcpu, KVM_SET_TSC_KHZ, (void *) (tsc_khz / l1_scale_factor)); for (;;) { - volatile struct kvm_run *run = vcpu->run; struct ucall uc; vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Got exit_reason other than KVM_EXIT_IO: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: diff --git a/tools/testing/selftests/kvm/x86_64/vmx_preemption_timer_test.c b/tools/testing/selftests/kvm/x86_64/vmx_preemption_timer_test.c index 0efdc05969a5..affc32800158 100644 --- a/tools/testing/selftests/kvm/x86_64/vmx_preemption_timer_test.c +++ b/tools/testing/selftests/kvm/x86_64/vmx_preemption_timer_test.c @@ -157,7 +157,6 @@ int main(int argc, char *argv[]) struct kvm_regs regs1, regs2; struct kvm_vm *vm; - struct kvm_run *run; struct kvm_vcpu *vcpu; struct kvm_x86_state *state; struct ucall uc; @@ -173,7 +172,6 @@ int main(int argc, char *argv[]) /* Create VM */ vm = vm_create_with_one_vcpu(&vcpu, guest_code); - run = vcpu->run; vcpu_regs_get(vcpu, ®s1); @@ -182,10 +180,7 @@ int main(int argc, char *argv[]) for (stage = 1;; stage++) { vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Stage %d: unexpected exit reason: %u (%s),\n", - stage, run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: @@ -237,7 +232,6 @@ int main(int argc, char *argv[]) /* Restore state in a new VM. */ vcpu = vm_recreate_with_one_vcpu(vm); vcpu_load_state(vcpu, state); - run = vcpu->run; kvm_x86_state_cleanup(state); memset(®s2, 0, sizeof(regs2)); diff --git a/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c b/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c index ff8ecdf32ae0..2ceb5c78c442 100644 --- a/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c +++ b/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c @@ -131,14 +131,10 @@ int main(int argc, char *argv[]) vcpu_args_set(vcpu, 1, vmx_pages_gva); for (;;) { - volatile struct kvm_run *run = vcpu->run; struct ucall uc; vcpu_run(vcpu); - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Got exit_reason other than KVM_EXIT_IO: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: diff --git a/tools/testing/selftests/kvm/x86_64/xapic_ipi_test.c b/tools/testing/selftests/kvm/x86_64/xapic_ipi_test.c index 3d272d7f961e..67ac2a3292ef 100644 --- a/tools/testing/selftests/kvm/x86_64/xapic_ipi_test.c +++ b/tools/testing/selftests/kvm/x86_64/xapic_ipi_test.c @@ -198,7 +198,6 @@ static void *vcpu_thread(void *arg) struct ucall uc; int old; int r; - unsigned int exit_reason; r = pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &old); TEST_ASSERT(r == 0, @@ -207,11 +206,8 @@ static void *vcpu_thread(void *arg) fprintf(stderr, "vCPU thread running vCPU %u\n", vcpu->id); vcpu_run(vcpu); - exit_reason = vcpu->run->exit_reason; - TEST_ASSERT(exit_reason == KVM_EXIT_IO, - "vCPU %u exited with unexpected exit reason %u-%s, expected KVM_EXIT_IO", - vcpu->id, exit_reason, exit_reason_str(exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); if (get_ucall(vcpu, &uc) == UCALL_ABORT) { TEST_ASSERT(false, diff --git a/tools/testing/selftests/kvm/x86_64/xen_shinfo_test.c b/tools/testing/selftests/kvm/x86_64/xen_shinfo_test.c index 5a3bf8f61417..05898ad9f4d9 100644 --- a/tools/testing/selftests/kvm/x86_64/xen_shinfo_test.c +++ b/tools/testing/selftests/kvm/x86_64/xen_shinfo_test.c @@ -26,6 +26,9 @@ #define DUMMY_REGION_GPA (SHINFO_REGION_GPA + (3 * PAGE_SIZE)) #define DUMMY_REGION_SLOT 11 +#define DUMMY_REGION_GPA_2 (SHINFO_REGION_GPA + (4 * PAGE_SIZE)) +#define DUMMY_REGION_SLOT_2 12 + #define SHINFO_ADDR (SHINFO_REGION_GPA) #define VCPU_INFO_ADDR (SHINFO_REGION_GPA + 0x40) #define PVTIME_ADDR (SHINFO_REGION_GPA + PAGE_SIZE) @@ -41,6 +44,37 @@ #define EVTCHN_TEST2 66 #define EVTCHN_TIMER 13 +enum { + TEST_INJECT_VECTOR = 0, + TEST_RUNSTATE_runnable, + TEST_RUNSTATE_blocked, + TEST_RUNSTATE_offline, + TEST_RUNSTATE_ADJUST, + TEST_RUNSTATE_DATA, + TEST_STEAL_TIME, + TEST_EVTCHN_MASKED, + TEST_EVTCHN_UNMASKED, + TEST_EVTCHN_SLOWPATH, + TEST_EVTCHN_SEND_IOCTL, + TEST_EVTCHN_HCALL, + TEST_EVTCHN_HCALL_SLOWPATH, + TEST_EVTCHN_HCALL_EVENTFD, + TEST_TIMER_SETUP, + TEST_TIMER_WAIT, + TEST_TIMER_RESTORE, + TEST_POLL_READY, + TEST_POLL_TIMEOUT, + TEST_POLL_MASKED, + TEST_POLL_WAKE, + TEST_TIMER_PAST, + TEST_LOCKING_SEND_RACE, + TEST_LOCKING_POLL_RACE, + TEST_LOCKING_POLL_TIMEOUT, + TEST_DONE, + + TEST_GUEST_SAW_IRQ, +}; + #define XEN_HYPERCALL_MSR 0x40000000 #define MIN_STEAL_TIME 50000 @@ -144,7 +178,7 @@ static void evtchn_handler(struct ex_regs *regs) vi->evtchn_pending_sel = 0; guest_saw_irq = true; - GUEST_SYNC(0x20); + GUEST_SYNC(TEST_GUEST_SAW_IRQ); } static void guest_wait_for_irq(void) @@ -165,41 +199,41 @@ static void guest_code(void) ); /* Trigger an interrupt injection */ - GUEST_SYNC(0); + GUEST_SYNC(TEST_INJECT_VECTOR); guest_wait_for_irq(); /* Test having the host set runstates manually */ - GUEST_SYNC(RUNSTATE_runnable); + GUEST_SYNC(TEST_RUNSTATE_runnable); GUEST_ASSERT(rs->time[RUNSTATE_runnable] != 0); GUEST_ASSERT(rs->state == 0); - GUEST_SYNC(RUNSTATE_blocked); + GUEST_SYNC(TEST_RUNSTATE_blocked); GUEST_ASSERT(rs->time[RUNSTATE_blocked] != 0); GUEST_ASSERT(rs->state == 0); - GUEST_SYNC(RUNSTATE_offline); + GUEST_SYNC(TEST_RUNSTATE_offline); GUEST_ASSERT(rs->time[RUNSTATE_offline] != 0); GUEST_ASSERT(rs->state == 0); /* Test runstate time adjust */ - GUEST_SYNC(4); + GUEST_SYNC(TEST_RUNSTATE_ADJUST); GUEST_ASSERT(rs->time[RUNSTATE_blocked] == 0x5a); GUEST_ASSERT(rs->time[RUNSTATE_offline] == 0x6b6b); /* Test runstate time set */ - GUEST_SYNC(5); + GUEST_SYNC(TEST_RUNSTATE_DATA); GUEST_ASSERT(rs->state_entry_time >= 0x8000); GUEST_ASSERT(rs->time[RUNSTATE_runnable] == 0); GUEST_ASSERT(rs->time[RUNSTATE_blocked] == 0x6b6b); GUEST_ASSERT(rs->time[RUNSTATE_offline] == 0x5a); /* sched_yield() should result in some 'runnable' time */ - GUEST_SYNC(6); + GUEST_SYNC(TEST_STEAL_TIME); GUEST_ASSERT(rs->time[RUNSTATE_runnable] >= MIN_STEAL_TIME); /* Attempt to deliver a *masked* interrupt */ - GUEST_SYNC(7); + GUEST_SYNC(TEST_EVTCHN_MASKED); /* Wait until we see the bit set */ struct shared_info *si = (void *)SHINFO_VADDR; @@ -207,71 +241,65 @@ static void guest_code(void) __asm__ __volatile__ ("rep nop" : : : "memory"); /* Now deliver an *unmasked* interrupt */ - GUEST_SYNC(8); + GUEST_SYNC(TEST_EVTCHN_UNMASKED); guest_wait_for_irq(); /* Change memslots and deliver an interrupt */ - GUEST_SYNC(9); + GUEST_SYNC(TEST_EVTCHN_SLOWPATH); guest_wait_for_irq(); /* Deliver event channel with KVM_XEN_HVM_EVTCHN_SEND */ - GUEST_SYNC(10); + GUEST_SYNC(TEST_EVTCHN_SEND_IOCTL); guest_wait_for_irq(); - GUEST_SYNC(11); + GUEST_SYNC(TEST_EVTCHN_HCALL); /* Our turn. Deliver event channel (to ourselves) with * EVTCHNOP_send hypercall. */ - unsigned long rax; struct evtchn_send s = { .port = 127 }; - __asm__ __volatile__ ("vmcall" : - "=a" (rax) : - "a" (__HYPERVISOR_event_channel_op), - "D" (EVTCHNOP_send), - "S" (&s)); + xen_hypercall(__HYPERVISOR_event_channel_op, EVTCHNOP_send, &s); + + guest_wait_for_irq(); + + GUEST_SYNC(TEST_EVTCHN_HCALL_SLOWPATH); - GUEST_ASSERT(rax == 0); + /* + * Same again, but this time the host has messed with memslots so it + * should take the slow path in kvm_xen_set_evtchn(). + */ + xen_hypercall(__HYPERVISOR_event_channel_op, EVTCHNOP_send, &s); guest_wait_for_irq(); - GUEST_SYNC(12); + GUEST_SYNC(TEST_EVTCHN_HCALL_EVENTFD); /* Deliver "outbound" event channel to an eventfd which * happens to be one of our own irqfds. */ s.port = 197; - __asm__ __volatile__ ("vmcall" : - "=a" (rax) : - "a" (__HYPERVISOR_event_channel_op), - "D" (EVTCHNOP_send), - "S" (&s)); - - GUEST_ASSERT(rax == 0); + xen_hypercall(__HYPERVISOR_event_channel_op, EVTCHNOP_send, &s); guest_wait_for_irq(); - GUEST_SYNC(13); + GUEST_SYNC(TEST_TIMER_SETUP); /* Set a timer 100ms in the future. */ - __asm__ __volatile__ ("vmcall" : - "=a" (rax) : - "a" (__HYPERVISOR_set_timer_op), - "D" (rs->state_entry_time + 100000000)); - GUEST_ASSERT(rax == 0); + xen_hypercall(__HYPERVISOR_set_timer_op, + rs->state_entry_time + 100000000, NULL); - GUEST_SYNC(14); + GUEST_SYNC(TEST_TIMER_WAIT); /* Now wait for the timer */ guest_wait_for_irq(); - GUEST_SYNC(15); + GUEST_SYNC(TEST_TIMER_RESTORE); /* The host has 'restored' the timer. Just wait for it. */ guest_wait_for_irq(); - GUEST_SYNC(16); + GUEST_SYNC(TEST_POLL_READY); /* Poll for an event channel port which is already set */ u32 ports[1] = { EVTCHN_TIMER }; @@ -281,65 +309,41 @@ static void guest_code(void) .timeout = 0, }; - __asm__ __volatile__ ("vmcall" : - "=a" (rax) : - "a" (__HYPERVISOR_sched_op), - "D" (SCHEDOP_poll), - "S" (&p)); + xen_hypercall(__HYPERVISOR_sched_op, SCHEDOP_poll, &p); - GUEST_ASSERT(rax == 0); - - GUEST_SYNC(17); + GUEST_SYNC(TEST_POLL_TIMEOUT); /* Poll for an unset port and wait for the timeout. */ p.timeout = 100000000; - __asm__ __volatile__ ("vmcall" : - "=a" (rax) : - "a" (__HYPERVISOR_sched_op), - "D" (SCHEDOP_poll), - "S" (&p)); - - GUEST_ASSERT(rax == 0); + xen_hypercall(__HYPERVISOR_sched_op, SCHEDOP_poll, &p); - GUEST_SYNC(18); + GUEST_SYNC(TEST_POLL_MASKED); /* A timer will wake the masked port we're waiting on, while we poll */ p.timeout = 0; - __asm__ __volatile__ ("vmcall" : - "=a" (rax) : - "a" (__HYPERVISOR_sched_op), - "D" (SCHEDOP_poll), - "S" (&p)); - - GUEST_ASSERT(rax == 0); + xen_hypercall(__HYPERVISOR_sched_op, SCHEDOP_poll, &p); - GUEST_SYNC(19); + GUEST_SYNC(TEST_POLL_WAKE); /* A timer wake an *unmasked* port which should wake us with an * actual interrupt, while we're polling on a different port. */ ports[0]++; p.timeout = 0; - __asm__ __volatile__ ("vmcall" : - "=a" (rax) : - "a" (__HYPERVISOR_sched_op), - "D" (SCHEDOP_poll), - "S" (&p)); - - GUEST_ASSERT(rax == 0); + xen_hypercall(__HYPERVISOR_sched_op, SCHEDOP_poll, &p); guest_wait_for_irq(); - GUEST_SYNC(20); + GUEST_SYNC(TEST_TIMER_PAST); /* Timer should have fired already */ guest_wait_for_irq(); - GUEST_SYNC(21); + GUEST_SYNC(TEST_LOCKING_SEND_RACE); /* Racing host ioctls */ guest_wait_for_irq(); - GUEST_SYNC(22); + GUEST_SYNC(TEST_LOCKING_POLL_RACE); /* Racing vmcall against host ioctl */ ports[0] = 0; @@ -360,24 +364,19 @@ wait_for_timer: * timer IRQ is dropped due to an invalid event channel. */ for (i = 0; i < 100 && !guest_saw_irq; i++) - asm volatile("vmcall" - : "=a" (rax) - : "a" (__HYPERVISOR_sched_op), - "D" (SCHEDOP_poll), - "S" (&p) - : "memory"); + __xen_hypercall(__HYPERVISOR_sched_op, SCHEDOP_poll, &p); /* * Re-send the timer IRQ if it was (likely) dropped due to the timer * expiring while the event channel was invalid. */ if (!guest_saw_irq) { - GUEST_SYNC(23); + GUEST_SYNC(TEST_LOCKING_POLL_TIMEOUT); goto wait_for_timer; } guest_saw_irq = false; - GUEST_SYNC(24); + GUEST_SYNC(TEST_DONE); } static int cmp_timespec(struct timespec *a, struct timespec *b) @@ -623,15 +622,10 @@ int main(int argc, char *argv[]) bool evtchn_irq_expected = false; for (;;) { - volatile struct kvm_run *run = vcpu->run; struct ucall uc; vcpu_run(vcpu); - - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Got exit_reason other than KVM_EXIT_IO: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: @@ -647,25 +641,26 @@ int main(int argc, char *argv[]) "runstate times don't add up"); switch (uc.args[1]) { - case 0: + case TEST_INJECT_VECTOR: if (verbose) printf("Delivering evtchn upcall\n"); evtchn_irq_expected = true; vinfo->evtchn_upcall_pending = 1; break; - case RUNSTATE_runnable...RUNSTATE_offline: + case TEST_RUNSTATE_runnable...TEST_RUNSTATE_offline: TEST_ASSERT(!evtchn_irq_expected, "Event channel IRQ not seen"); if (!do_runstate_tests) goto done; if (verbose) printf("Testing runstate %s\n", runstate_names[uc.args[1]]); rst.type = KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT; - rst.u.runstate.state = uc.args[1]; + rst.u.runstate.state = uc.args[1] + RUNSTATE_runnable - + TEST_RUNSTATE_runnable; vcpu_ioctl(vcpu, KVM_XEN_VCPU_SET_ATTR, &rst); break; - case 4: + case TEST_RUNSTATE_ADJUST: if (verbose) printf("Testing RUNSTATE_ADJUST\n"); rst.type = KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST; @@ -680,7 +675,7 @@ int main(int argc, char *argv[]) vcpu_ioctl(vcpu, KVM_XEN_VCPU_SET_ATTR, &rst); break; - case 5: + case TEST_RUNSTATE_DATA: if (verbose) printf("Testing RUNSTATE_DATA\n"); rst.type = KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA; @@ -692,7 +687,7 @@ int main(int argc, char *argv[]) vcpu_ioctl(vcpu, KVM_XEN_VCPU_SET_ATTR, &rst); break; - case 6: + case TEST_STEAL_TIME: if (verbose) printf("Testing steal time\n"); /* Yield until scheduler delay exceeds target */ @@ -702,7 +697,7 @@ int main(int argc, char *argv[]) } while (get_run_delay() < rundelay); break; - case 7: + case TEST_EVTCHN_MASKED: if (!do_eventfd_tests) goto done; if (verbose) @@ -712,7 +707,7 @@ int main(int argc, char *argv[]) alarm(1); break; - case 8: + case TEST_EVTCHN_UNMASKED: if (verbose) printf("Testing unmasked event channel\n"); /* Unmask that, but deliver the other one */ @@ -723,7 +718,7 @@ int main(int argc, char *argv[]) alarm(1); break; - case 9: + case TEST_EVTCHN_SLOWPATH: TEST_ASSERT(!evtchn_irq_expected, "Expected event channel IRQ but it didn't happen"); shinfo->evtchn_pending[1] = 0; @@ -736,7 +731,7 @@ int main(int argc, char *argv[]) alarm(1); break; - case 10: + case TEST_EVTCHN_SEND_IOCTL: TEST_ASSERT(!evtchn_irq_expected, "Expected event channel IRQ but it didn't happen"); if (!do_evtchn_tests) @@ -756,7 +751,7 @@ int main(int argc, char *argv[]) alarm(1); break; - case 11: + case TEST_EVTCHN_HCALL: TEST_ASSERT(!evtchn_irq_expected, "Expected event channel IRQ but it didn't happen"); shinfo->evtchn_pending[1] = 0; @@ -767,7 +762,20 @@ int main(int argc, char *argv[]) alarm(1); break; - case 12: + case TEST_EVTCHN_HCALL_SLOWPATH: + TEST_ASSERT(!evtchn_irq_expected, + "Expected event channel IRQ but it didn't happen"); + shinfo->evtchn_pending[0] = 0; + + if (verbose) + printf("Testing guest EVTCHNOP_send direct to evtchn after memslot change\n"); + vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS, + DUMMY_REGION_GPA_2, DUMMY_REGION_SLOT_2, 1, 0); + evtchn_irq_expected = true; + alarm(1); + break; + + case TEST_EVTCHN_HCALL_EVENTFD: TEST_ASSERT(!evtchn_irq_expected, "Expected event channel IRQ but it didn't happen"); shinfo->evtchn_pending[0] = 0; @@ -778,7 +786,7 @@ int main(int argc, char *argv[]) alarm(1); break; - case 13: + case TEST_TIMER_SETUP: TEST_ASSERT(!evtchn_irq_expected, "Expected event channel IRQ but it didn't happen"); shinfo->evtchn_pending[1] = 0; @@ -787,7 +795,7 @@ int main(int argc, char *argv[]) printf("Testing guest oneshot timer\n"); break; - case 14: + case TEST_TIMER_WAIT: memset(&tmr, 0, sizeof(tmr)); tmr.type = KVM_XEN_VCPU_ATTR_TYPE_TIMER; vcpu_ioctl(vcpu, KVM_XEN_VCPU_GET_ATTR, &tmr); @@ -801,7 +809,7 @@ int main(int argc, char *argv[]) alarm(1); break; - case 15: + case TEST_TIMER_RESTORE: TEST_ASSERT(!evtchn_irq_expected, "Expected event channel IRQ but it didn't happen"); shinfo->evtchn_pending[0] = 0; @@ -815,7 +823,7 @@ int main(int argc, char *argv[]) alarm(1); break; - case 16: + case TEST_POLL_READY: TEST_ASSERT(!evtchn_irq_expected, "Expected event channel IRQ but it didn't happen"); @@ -825,14 +833,14 @@ int main(int argc, char *argv[]) alarm(1); break; - case 17: + case TEST_POLL_TIMEOUT: if (verbose) printf("Testing SCHEDOP_poll timeout\n"); shinfo->evtchn_pending[0] = 0; alarm(1); break; - case 18: + case TEST_POLL_MASKED: if (verbose) printf("Testing SCHEDOP_poll wake on masked event\n"); @@ -841,7 +849,7 @@ int main(int argc, char *argv[]) alarm(1); break; - case 19: + case TEST_POLL_WAKE: shinfo->evtchn_pending[0] = shinfo->evtchn_mask[0] = 0; if (verbose) printf("Testing SCHEDOP_poll wake on unmasked event\n"); @@ -858,7 +866,7 @@ int main(int argc, char *argv[]) alarm(1); break; - case 20: + case TEST_TIMER_PAST: TEST_ASSERT(!evtchn_irq_expected, "Expected event channel IRQ but it didn't happen"); /* Read timer and check it is no longer pending */ @@ -875,7 +883,7 @@ int main(int argc, char *argv[]) alarm(1); break; - case 21: + case TEST_LOCKING_SEND_RACE: TEST_ASSERT(!evtchn_irq_expected, "Expected event channel IRQ but it didn't happen"); alarm(0); @@ -897,7 +905,7 @@ int main(int argc, char *argv[]) __vm_ioctl(vm, KVM_XEN_HVM_EVTCHN_SEND, &uxe); break; - case 22: + case TEST_LOCKING_POLL_RACE: TEST_ASSERT(!evtchn_irq_expected, "Expected event channel IRQ but it didn't happen"); @@ -912,7 +920,7 @@ int main(int argc, char *argv[]) vcpu_ioctl(vcpu, KVM_XEN_VCPU_SET_ATTR, &tmr); break; - case 23: + case TEST_LOCKING_POLL_TIMEOUT: /* * Optional and possibly repeated sync point. * Injecting the timer IRQ may fail if the @@ -934,7 +942,7 @@ int main(int argc, char *argv[]) SHINFO_RACE_TIMEOUT * 1000000000ULL; vcpu_ioctl(vcpu, KVM_XEN_VCPU_SET_ATTR, &tmr); break; - case 24: + case TEST_DONE: TEST_ASSERT(!evtchn_irq_expected, "Expected event channel IRQ but it didn't happen"); @@ -945,7 +953,7 @@ int main(int argc, char *argv[]) TEST_ASSERT(ret == 0, "pthread_join() failed: %s", strerror(ret)); goto done; - case 0x20: + case TEST_GUEST_SAW_IRQ: TEST_ASSERT(evtchn_irq_expected, "Unexpected event channel IRQ"); evtchn_irq_expected = false; break; diff --git a/tools/testing/selftests/kvm/x86_64/xen_vmcall_test.c b/tools/testing/selftests/kvm/x86_64/xen_vmcall_test.c index 88914d48c65e..c94cde3b523f 100644 --- a/tools/testing/selftests/kvm/x86_64/xen_vmcall_test.c +++ b/tools/testing/selftests/kvm/x86_64/xen_vmcall_test.c @@ -122,10 +122,7 @@ int main(int argc, char *argv[]) continue; } - TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, - "Got exit_reason other than KVM_EXIT_IO: %u (%s)\n", - run->exit_reason, - exit_reason_str(run->exit_reason)); + TEST_ASSERT_KVM_EXIT_REASON(vcpu, KVM_EXIT_IO); switch (get_ucall(vcpu, &uc)) { case UCALL_ABORT: diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index d255964ec331..f40b72eb0e7b 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -4467,7 +4467,7 @@ static int kvm_ioctl_create_device(struct kvm *kvm, return 0; } -static long kvm_vm_ioctl_check_extension_generic(struct kvm *kvm, long arg) +static int kvm_vm_ioctl_check_extension_generic(struct kvm *kvm, long arg) { switch (arg) { case KVM_CAP_USER_MEMORY: @@ -5045,7 +5045,7 @@ put_fd: static long kvm_dev_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) { - long r = -EINVAL; + int r = -EINVAL; switch (ioctl) { case KVM_GET_API_VERSION: |