diff options
author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-06-17 19:20:14 +0300 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-06-17 19:20:14 +0300 |
commit | 08a7c7772b4db0be06e3b27239147c0a36e2a507 (patch) | |
tree | af653cb85a263ac19334cdaa74ecd58f909c5cef /tools/testing/selftests/kvm | |
parent | b13b04d9382113f787e21c9567a4022fef8697b9 (diff) | |
parent | 69119673bd50b176ded34032fadd41530fb5af21 (diff) |
Merge remote-tracking branch 'torvalds/master' into perf/urgent
To get some newer headers that got out of sync with the copies in tools/
so that we can try to have the tools/perf/ build clean for v5.8 with
fewer pull requests.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/testing/selftests/kvm')
-rw-r--r-- | tools/testing/selftests/kvm/.gitignore | 1 | ||||
-rw-r--r-- | tools/testing/selftests/kvm/Makefile | 4 | ||||
-rw-r--r-- | tools/testing/selftests/kvm/include/x86_64/svm_util.h | 1 | ||||
-rw-r--r-- | tools/testing/selftests/kvm/include/x86_64/vmx.h | 5 | ||||
-rw-r--r-- | tools/testing/selftests/kvm/lib/kvm_util.c | 11 | ||||
-rw-r--r-- | tools/testing/selftests/kvm/lib/x86_64/svm.c | 10 | ||||
-rw-r--r-- | tools/testing/selftests/kvm/lib/x86_64/vmx.c | 9 | ||||
-rw-r--r-- | tools/testing/selftests/kvm/x86_64/evmcs_test.c | 5 | ||||
-rw-r--r-- | tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c | 3 | ||||
-rw-r--r-- | tools/testing/selftests/kvm/x86_64/smm_test.c | 17 | ||||
-rw-r--r-- | tools/testing/selftests/kvm/x86_64/state_test.c | 13 | ||||
-rw-r--r-- | tools/testing/selftests/kvm/x86_64/vmx_preemption_timer_test.c | 4 |
12 files changed, 55 insertions, 28 deletions
diff --git a/tools/testing/selftests/kvm/.gitignore b/tools/testing/selftests/kvm/.gitignore index f159718f90c0..452787152748 100644 --- a/tools/testing/selftests/kvm/.gitignore +++ b/tools/testing/selftests/kvm/.gitignore @@ -3,6 +3,7 @@ /s390x/resets /s390x/sync_regs_test /x86_64/cr4_cpuid_sync_test +/x86_64/debug_regs /x86_64/evmcs_test /x86_64/hyperv_cpuid /x86_64/mmio_warning_test diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile index b4ff112e5c7e..4a166588d99f 100644 --- a/tools/testing/selftests/kvm/Makefile +++ b/tools/testing/selftests/kvm/Makefile @@ -83,7 +83,11 @@ LIBKVM += $(LIBKVM_$(UNAME_M)) INSTALL_HDR_PATH = $(top_srcdir)/usr LINUX_HDR_PATH = $(INSTALL_HDR_PATH)/include/ LINUX_TOOL_INCLUDE = $(top_srcdir)/tools/include +ifeq ($(ARCH),x86_64) +LINUX_TOOL_ARCH_INCLUDE = $(top_srcdir)/tools/arch/x86/include +else LINUX_TOOL_ARCH_INCLUDE = $(top_srcdir)/tools/arch/$(ARCH)/include +endif CFLAGS += -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99 \ -fno-stack-protector -fno-PIE -I$(LINUX_TOOL_INCLUDE) \ -I$(LINUX_TOOL_ARCH_INCLUDE) -I$(LINUX_HDR_PATH) -Iinclude \ diff --git a/tools/testing/selftests/kvm/include/x86_64/svm_util.h b/tools/testing/selftests/kvm/include/x86_64/svm_util.h index 674151d24fcf..b7531c83b8ae 100644 --- a/tools/testing/selftests/kvm/include/x86_64/svm_util.h +++ b/tools/testing/selftests/kvm/include/x86_64/svm_util.h @@ -33,6 +33,7 @@ struct svm_test_data { struct svm_test_data *vcpu_alloc_svm(struct kvm_vm *vm, vm_vaddr_t *p_svm_gva); void generic_svm_setup(struct svm_test_data *svm, void *guest_rip, void *guest_rsp); void run_guest(struct vmcb *vmcb, uint64_t vmcb_gpa); +bool nested_svm_supported(void); void nested_svm_check_supported(void); static inline bool cpu_has_svm(void) diff --git a/tools/testing/selftests/kvm/include/x86_64/vmx.h b/tools/testing/selftests/kvm/include/x86_64/vmx.h index ccff3e6e2704..16fa21ebb99c 100644 --- a/tools/testing/selftests/kvm/include/x86_64/vmx.h +++ b/tools/testing/selftests/kvm/include/x86_64/vmx.h @@ -598,15 +598,12 @@ union vmx_ctrl_msr { }; }; -union vmx_basic basic; -union vmx_ctrl_msr ctrl_pin_rev; -union vmx_ctrl_msr ctrl_exit_rev; - struct vmx_pages *vcpu_alloc_vmx(struct kvm_vm *vm, vm_vaddr_t *p_vmx_gva); bool prepare_for_vmx_operation(struct vmx_pages *vmx); void prepare_vmcs(struct vmx_pages *vmx, void *guest_rip, void *guest_rsp); bool load_vmcs(struct vmx_pages *vmx); +bool nested_vmx_supported(void); void nested_vmx_check_supported(void); void nested_pg_map(struct vmx_pages *vmx, struct kvm_vm *vm, diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index c9cede5c7d0d..74776ee228f2 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -195,11 +195,18 @@ struct kvm_vm *_vm_create(enum vm_guest_mode mode, uint64_t phy_pages, int perm) case VM_MODE_PXXV48_4K: #ifdef __x86_64__ kvm_get_cpu_address_width(&vm->pa_bits, &vm->va_bits); - TEST_ASSERT(vm->va_bits == 48, "Linear address width " - "(%d bits) not supported", vm->va_bits); + /* + * Ignore KVM support for 5-level paging (vm->va_bits == 57), + * it doesn't take effect unless a CR4.LA57 is set, which it + * isn't for this VM_MODE. + */ + TEST_ASSERT(vm->va_bits == 48 || vm->va_bits == 57, + "Linear address width (%d bits) not supported", + vm->va_bits); pr_debug("Guest physical address width detected: %d\n", vm->pa_bits); vm->pgtable_levels = 4; + vm->va_bits = 48; #else TEST_FAIL("VM_MODE_PXXV48_4K not supported on non-x86 platforms"); #endif diff --git a/tools/testing/selftests/kvm/lib/x86_64/svm.c b/tools/testing/selftests/kvm/lib/x86_64/svm.c index c42401068373..3a5c72ed2b79 100644 --- a/tools/testing/selftests/kvm/lib/x86_64/svm.c +++ b/tools/testing/selftests/kvm/lib/x86_64/svm.c @@ -148,14 +148,18 @@ void run_guest(struct vmcb *vmcb, uint64_t vmcb_gpa) : "r15", "memory"); } -void nested_svm_check_supported(void) +bool nested_svm_supported(void) { struct kvm_cpuid_entry2 *entry = kvm_get_supported_cpuid_entry(0x80000001); - if (!(entry->ecx & CPUID_SVM)) { + return entry->ecx & CPUID_SVM; +} + +void nested_svm_check_supported(void) +{ + if (!nested_svm_supported()) { print_skip("nested SVM not enabled"); exit(KSFT_SKIP); } } - diff --git a/tools/testing/selftests/kvm/lib/x86_64/vmx.c b/tools/testing/selftests/kvm/lib/x86_64/vmx.c index 4ae104f6ce69..f1e00d43eea2 100644 --- a/tools/testing/selftests/kvm/lib/x86_64/vmx.c +++ b/tools/testing/selftests/kvm/lib/x86_64/vmx.c @@ -379,11 +379,16 @@ void prepare_vmcs(struct vmx_pages *vmx, void *guest_rip, void *guest_rsp) init_vmcs_guest_state(guest_rip, guest_rsp); } -void nested_vmx_check_supported(void) +bool nested_vmx_supported(void) { struct kvm_cpuid_entry2 *entry = kvm_get_supported_cpuid_entry(1); - if (!(entry->ecx & CPUID_VMX)) { + return entry->ecx & CPUID_VMX; +} + +void nested_vmx_check_supported(void) +{ + if (!nested_vmx_supported()) { print_skip("nested VMX not enabled"); exit(KSFT_SKIP); } diff --git a/tools/testing/selftests/kvm/x86_64/evmcs_test.c b/tools/testing/selftests/kvm/x86_64/evmcs_test.c index e6e62e5e75b2..757928199f19 100644 --- a/tools/testing/selftests/kvm/x86_64/evmcs_test.c +++ b/tools/testing/selftests/kvm/x86_64/evmcs_test.c @@ -94,9 +94,10 @@ int main(int argc, char *argv[]) vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid()); - if (!kvm_check_cap(KVM_CAP_NESTED_STATE) || + if (!nested_vmx_supported() || + !kvm_check_cap(KVM_CAP_NESTED_STATE) || !kvm_check_cap(KVM_CAP_HYPERV_ENLIGHTENED_VMCS)) { - print_skip("capabilities not available"); + print_skip("Enlightened VMCS is unsupported"); exit(KSFT_SKIP); } diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c b/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c index 4a7967cca281..745b708c2d3b 100644 --- a/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c +++ b/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c @@ -170,7 +170,8 @@ int main(int argc, char *argv[]) case 1: break; case 2: - if (!kvm_check_cap(KVM_CAP_HYPERV_ENLIGHTENED_VMCS)) { + if (!nested_vmx_supported() || + !kvm_check_cap(KVM_CAP_HYPERV_ENLIGHTENED_VMCS)) { print_skip("Enlightened VMCS is unsupported"); continue; } diff --git a/tools/testing/selftests/kvm/x86_64/smm_test.c b/tools/testing/selftests/kvm/x86_64/smm_test.c index 6f8f478b3ceb..ae39a220609f 100644 --- a/tools/testing/selftests/kvm/x86_64/smm_test.c +++ b/tools/testing/selftests/kvm/x86_64/smm_test.c @@ -47,10 +47,10 @@ uint8_t smi_handler[] = { 0x0f, 0xaa, /* rsm */ }; -void sync_with_host(uint64_t phase) +static inline void sync_with_host(uint64_t phase) { asm volatile("in $" XSTR(SYNC_PORT)", %%al \n" - : : "a" (phase)); + : "+a" (phase)); } void self_smi(void) @@ -118,16 +118,17 @@ int main(int argc, char *argv[]) vcpu_set_msr(vm, VCPU_ID, MSR_IA32_SMBASE, SMRAM_GPA); if (kvm_check_cap(KVM_CAP_NESTED_STATE)) { - if (kvm_get_supported_cpuid_entry(0x80000001)->ecx & CPUID_SVM) + if (nested_svm_supported()) vcpu_alloc_svm(vm, &nested_gva); - else + else if (nested_vmx_supported()) vcpu_alloc_vmx(vm, &nested_gva); - vcpu_args_set(vm, VCPU_ID, 1, nested_gva); - } else { - pr_info("will skip SMM test with VMX enabled\n"); - vcpu_args_set(vm, VCPU_ID, 1, 0); } + if (!nested_gva) + pr_info("will skip SMM test with VMX enabled\n"); + + vcpu_args_set(vm, VCPU_ID, 1, nested_gva); + for (stage = 1;; stage++) { _vcpu_run(vm, VCPU_ID); TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, diff --git a/tools/testing/selftests/kvm/x86_64/state_test.c b/tools/testing/selftests/kvm/x86_64/state_test.c index d43b6f99b66c..f6c8b9042f8a 100644 --- a/tools/testing/selftests/kvm/x86_64/state_test.c +++ b/tools/testing/selftests/kvm/x86_64/state_test.c @@ -171,16 +171,17 @@ int main(int argc, char *argv[]) vcpu_regs_get(vm, VCPU_ID, ®s1); if (kvm_check_cap(KVM_CAP_NESTED_STATE)) { - if (kvm_get_supported_cpuid_entry(0x80000001)->ecx & CPUID_SVM) + if (nested_svm_supported()) vcpu_alloc_svm(vm, &nested_gva); - else + else if (nested_vmx_supported()) vcpu_alloc_vmx(vm, &nested_gva); - vcpu_args_set(vm, VCPU_ID, 1, nested_gva); - } else { - pr_info("will skip nested state checks\n"); - vcpu_args_set(vm, VCPU_ID, 1, 0); } + if (!nested_gva) + pr_info("will skip nested state checks\n"); + + vcpu_args_set(vm, VCPU_ID, 1, nested_gva); + for (stage = 1;; stage++) { _vcpu_run(vm, VCPU_ID); TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, 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 cc72b6188ca7..a7737af1224f 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 @@ -31,6 +31,10 @@ bool l2_save_restore_done; static u64 l2_vmx_pt_start; volatile u64 l2_vmx_pt_finish; +union vmx_basic basic; +union vmx_ctrl_msr ctrl_pin_rev; +union vmx_ctrl_msr ctrl_exit_rev; + void l2_guest_code(void) { u64 vmx_pt_delta; |