diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/kvm/include/x86_64/hyperv.h | 5 | ||||
| -rw-r--r-- | tools/testing/selftests/kvm/x86_64/hyperv_clock.c | 2 | ||||
| -rw-r--r-- | tools/testing/selftests/kvm/x86_64/hyperv_features.c | 41 |
3 files changed, 43 insertions, 5 deletions
diff --git a/tools/testing/selftests/kvm/include/x86_64/hyperv.h b/tools/testing/selftests/kvm/include/x86_64/hyperv.h index 412eaee7884a..b66910702c0a 100644 --- a/tools/testing/selftests/kvm/include/x86_64/hyperv.h +++ b/tools/testing/selftests/kvm/include/x86_64/hyperv.h @@ -117,7 +117,7 @@ #define HV_X64_GUEST_DEBUGGING_AVAILABLE BIT(1) #define HV_X64_PERF_MONITOR_AVAILABLE BIT(2) #define HV_X64_CPU_DYNAMIC_PARTITIONING_AVAILABLE BIT(3) -#define HV_X64_HYPERCALL_PARAMS_XMM_AVAILABLE BIT(4) +#define HV_X64_HYPERCALL_XMM_INPUT_AVAILABLE BIT(4) #define HV_X64_GUEST_IDLE_STATE_AVAILABLE BIT(5) #define HV_FEATURE_FREQUENCY_MSRS_AVAILABLE BIT(8) #define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE BIT(10) @@ -182,4 +182,7 @@ #define HV_STATUS_INVALID_CONNECTION_ID 18 #define HV_STATUS_INSUFFICIENT_BUFFERS 19 +/* hypercall options */ +#define HV_HYPERCALL_FAST_BIT BIT(16) + #endif /* !SELFTEST_KVM_HYPERV_H */ diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_clock.c b/tools/testing/selftests/kvm/x86_64/hyperv_clock.c index bab10ae787b6..e0b2bb1339b1 100644 --- a/tools/testing/selftests/kvm/x86_64/hyperv_clock.c +++ b/tools/testing/selftests/kvm/x86_64/hyperv_clock.c @@ -215,7 +215,7 @@ int main(void) vcpu_set_hv_cpuid(vm, VCPU_ID); tsc_page_gva = vm_vaddr_alloc_page(vm); - memset(addr_gpa2hva(vm, tsc_page_gva), 0x0, getpagesize()); + memset(addr_gva2hva(vm, tsc_page_gva), 0x0, getpagesize()); TEST_ASSERT((addr_gva2gpa(vm, tsc_page_gva) & (getpagesize() - 1)) == 0, "TSC page has to be page aligned\n"); vcpu_args_set(vm, VCPU_ID, 2, tsc_page_gva, addr_gva2gpa(vm, tsc_page_gva)); diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_features.c b/tools/testing/selftests/kvm/x86_64/hyperv_features.c index af27c7e829c1..91d88aaa9899 100644 --- a/tools/testing/selftests/kvm/x86_64/hyperv_features.c +++ b/tools/testing/selftests/kvm/x86_64/hyperv_features.c @@ -47,6 +47,7 @@ static void do_wrmsr(u32 idx, u64 val) } static int nr_gp; +static int nr_ud; static inline u64 hypercall(u64 control, vm_vaddr_t input_address, vm_vaddr_t output_address) @@ -80,6 +81,12 @@ static void guest_gp_handler(struct ex_regs *regs) regs->rip = (uint64_t)&wrmsr_end; } +static void guest_ud_handler(struct ex_regs *regs) +{ + nr_ud++; + regs->rip += 3; +} + struct msr_data { uint32_t idx; bool available; @@ -90,6 +97,7 @@ struct msr_data { struct hcall_data { uint64_t control; uint64_t expect; + bool ud_expected; }; static void guest_msr(struct msr_data *msr) @@ -117,13 +125,26 @@ static void guest_msr(struct msr_data *msr) static void guest_hcall(vm_vaddr_t pgs_gpa, struct hcall_data *hcall) { int i = 0; + u64 res, input, output; wrmsr(HV_X64_MSR_GUEST_OS_ID, LINUX_OS_ID); wrmsr(HV_X64_MSR_HYPERCALL, pgs_gpa); while (hcall->control) { - GUEST_ASSERT(hypercall(hcall->control, pgs_gpa, - pgs_gpa + 4096) == hcall->expect); + nr_ud = 0; + if (!(hcall->control & HV_HYPERCALL_FAST_BIT)) { + input = pgs_gpa; + output = pgs_gpa + 4096; + } else { + input = output = 0; + } + + res = hypercall(hcall->control, input, output); + if (hcall->ud_expected) + GUEST_ASSERT(nr_ud == 1); + else + GUEST_ASSERT(res == hcall->expect); + GUEST_SYNC(i++); } @@ -552,8 +573,18 @@ static void guest_test_hcalls_access(struct kvm_vm *vm, struct hcall_data *hcall recomm.ebx = 0xfff; hcall->expect = HV_STATUS_SUCCESS; break; - case 17: + /* XMM fast hypercall */ + hcall->control = HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE | HV_HYPERCALL_FAST_BIT; + hcall->ud_expected = true; + break; + case 18: + feat.edx |= HV_X64_HYPERCALL_XMM_INPUT_AVAILABLE; + hcall->ud_expected = false; + hcall->expect = HV_STATUS_SUCCESS; + break; + + case 19: /* END */ hcall->control = 0; break; @@ -625,6 +656,10 @@ int main(void) /* Test hypercalls */ vm = vm_create_default(VCPU_ID, 0, guest_hcall); + vm_init_descriptor_tables(vm); + vcpu_init_descriptor_tables(vm, VCPU_ID); + vm_install_exception_handler(vm, UD_VECTOR, guest_ud_handler); + /* Hypercall input/output */ hcall_page = vm_vaddr_alloc_pages(vm, 2); memset(addr_gva2hva(vm, hcall_page), 0x0, 2 * getpagesize()); |