It may not be clear what 'msr->availble' means. The test actually checks that accessing the particular MSR doesn't cause #GP, rename the varialble accordingly. Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> --- .../selftests/kvm/x86_64/hyperv_features.c | 96 +++++++++---------- 1 file changed, 48 insertions(+), 48 deletions(-) diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_features.c b/tools/testing/selftests/kvm/x86_64/hyperv_features.c index 79ab0152d281..1383b979e90b 100644 --- a/tools/testing/selftests/kvm/x86_64/hyperv_features.c +++ b/tools/testing/selftests/kvm/x86_64/hyperv_features.c @@ -33,7 +33,7 @@ static inline uint8_t hypercall(u64 control, vm_vaddr_t input_address, struct msr_data { uint32_t idx; - bool available; + bool fault_expected; bool write; u64 write_val; }; @@ -56,10 +56,10 @@ static void guest_msr(struct msr_data *msr) else vector = wrmsr_safe(msr->idx, msr->write_val); - if (msr->available) - GUEST_ASSERT_2(!vector, msr->idx, vector); - else + if (msr->fault_expected) GUEST_ASSERT_2(vector == GP_VECTOR, msr->idx, vector); + else + GUEST_ASSERT_2(!vector, msr->idx, vector); GUEST_DONE(); } @@ -153,12 +153,12 @@ static void guest_test_msrs_access(void) */ msr->idx = HV_X64_MSR_GUEST_OS_ID; msr->write = 0; - msr->available = 0; + msr->fault_expected = 1; break; case 1: msr->idx = HV_X64_MSR_HYPERCALL; msr->write = 0; - msr->available = 0; + msr->fault_expected = 1; break; case 2: feat->eax |= HV_MSR_HYPERCALL_AVAILABLE; @@ -169,116 +169,116 @@ static void guest_test_msrs_access(void) msr->idx = HV_X64_MSR_GUEST_OS_ID; msr->write = 1; msr->write_val = LINUX_OS_ID; - msr->available = 1; + msr->fault_expected = 0; break; case 3: msr->idx = HV_X64_MSR_GUEST_OS_ID; msr->write = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 4: msr->idx = HV_X64_MSR_HYPERCALL; msr->write = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 5: msr->idx = HV_X64_MSR_VP_RUNTIME; msr->write = 0; - msr->available = 0; + msr->fault_expected = 1; break; case 6: feat->eax |= HV_MSR_VP_RUNTIME_AVAILABLE; msr->idx = HV_X64_MSR_VP_RUNTIME; msr->write = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 7: /* Read only */ msr->idx = HV_X64_MSR_VP_RUNTIME; msr->write = 1; msr->write_val = 1; - msr->available = 0; + msr->fault_expected = 1; break; case 8: msr->idx = HV_X64_MSR_TIME_REF_COUNT; msr->write = 0; - msr->available = 0; + msr->fault_expected = 1; break; case 9: feat->eax |= HV_MSR_TIME_REF_COUNT_AVAILABLE; msr->idx = HV_X64_MSR_TIME_REF_COUNT; msr->write = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 10: /* Read only */ msr->idx = HV_X64_MSR_TIME_REF_COUNT; msr->write = 1; msr->write_val = 1; - msr->available = 0; + msr->fault_expected = 1; break; case 11: msr->idx = HV_X64_MSR_VP_INDEX; msr->write = 0; - msr->available = 0; + msr->fault_expected = 1; break; case 12: feat->eax |= HV_MSR_VP_INDEX_AVAILABLE; msr->idx = HV_X64_MSR_VP_INDEX; msr->write = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 13: /* Read only */ msr->idx = HV_X64_MSR_VP_INDEX; msr->write = 1; msr->write_val = 1; - msr->available = 0; + msr->fault_expected = 1; break; case 14: msr->idx = HV_X64_MSR_RESET; msr->write = 0; - msr->available = 0; + msr->fault_expected = 1; break; case 15: feat->eax |= HV_MSR_RESET_AVAILABLE; msr->idx = HV_X64_MSR_RESET; msr->write = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 16: msr->idx = HV_X64_MSR_RESET; msr->write = 1; msr->write_val = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 17: msr->idx = HV_X64_MSR_REFERENCE_TSC; msr->write = 0; - msr->available = 0; + msr->fault_expected = 1; break; case 18: feat->eax |= HV_MSR_REFERENCE_TSC_AVAILABLE; msr->idx = HV_X64_MSR_REFERENCE_TSC; msr->write = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 19: msr->idx = HV_X64_MSR_REFERENCE_TSC; msr->write = 1; msr->write_val = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 20: msr->idx = HV_X64_MSR_EOM; msr->write = 0; - msr->available = 0; + msr->fault_expected = 1; break; case 21: /* @@ -287,145 +287,145 @@ static void guest_test_msrs_access(void) */ msr->idx = HV_X64_MSR_EOM; msr->write = 0; - msr->available = 0; + msr->fault_expected = 1; break; case 22: feat->eax |= HV_MSR_SYNIC_AVAILABLE; msr->idx = HV_X64_MSR_EOM; msr->write = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 23: msr->idx = HV_X64_MSR_EOM; msr->write = 1; msr->write_val = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 24: msr->idx = HV_X64_MSR_STIMER0_CONFIG; msr->write = 0; - msr->available = 0; + msr->fault_expected = 1; break; case 25: feat->eax |= HV_MSR_SYNTIMER_AVAILABLE; msr->idx = HV_X64_MSR_STIMER0_CONFIG; msr->write = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 26: msr->idx = HV_X64_MSR_STIMER0_CONFIG; msr->write = 1; msr->write_val = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 27: /* Direct mode test */ msr->idx = HV_X64_MSR_STIMER0_CONFIG; msr->write = 1; msr->write_val = 1 << 12; - msr->available = 0; + msr->fault_expected = 1; break; case 28: feat->edx |= HV_STIMER_DIRECT_MODE_AVAILABLE; msr->idx = HV_X64_MSR_STIMER0_CONFIG; msr->write = 1; msr->write_val = 1 << 12; - msr->available = 1; + msr->fault_expected = 0; break; case 29: msr->idx = HV_X64_MSR_EOI; msr->write = 0; - msr->available = 0; + msr->fault_expected = 1; break; case 30: feat->eax |= HV_MSR_APIC_ACCESS_AVAILABLE; msr->idx = HV_X64_MSR_EOI; msr->write = 1; msr->write_val = 1; - msr->available = 1; + msr->fault_expected = 0; break; case 31: msr->idx = HV_X64_MSR_TSC_FREQUENCY; msr->write = 0; - msr->available = 0; + msr->fault_expected = 1; break; case 32: feat->eax |= HV_ACCESS_FREQUENCY_MSRS; msr->idx = HV_X64_MSR_TSC_FREQUENCY; msr->write = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 33: /* Read only */ msr->idx = HV_X64_MSR_TSC_FREQUENCY; msr->write = 1; msr->write_val = 1; - msr->available = 0; + msr->fault_expected = 1; break; case 34: msr->idx = HV_X64_MSR_REENLIGHTENMENT_CONTROL; msr->write = 0; - msr->available = 0; + msr->fault_expected = 1; break; case 35: feat->eax |= HV_ACCESS_REENLIGHTENMENT; msr->idx = HV_X64_MSR_REENLIGHTENMENT_CONTROL; msr->write = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 36: msr->idx = HV_X64_MSR_REENLIGHTENMENT_CONTROL; msr->write = 1; msr->write_val = 1; - msr->available = 1; + msr->fault_expected = 0; break; case 37: /* Can only write '0' */ msr->idx = HV_X64_MSR_TSC_EMULATION_STATUS; msr->write = 1; msr->write_val = 1; - msr->available = 0; + msr->fault_expected = 1; break; case 38: msr->idx = HV_X64_MSR_CRASH_P0; msr->write = 0; - msr->available = 0; + msr->fault_expected = 1; break; case 39: feat->edx |= HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE; msr->idx = HV_X64_MSR_CRASH_P0; msr->write = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 40: msr->idx = HV_X64_MSR_CRASH_P0; msr->write = 1; msr->write_val = 1; - msr->available = 1; + msr->fault_expected = 0; break; case 41: msr->idx = HV_X64_MSR_SYNDBG_STATUS; msr->write = 0; - msr->available = 0; + msr->fault_expected = 1; break; case 42: feat->edx |= HV_FEATURE_DEBUG_MSRS_AVAILABLE; dbg->eax |= HV_X64_SYNDBG_CAP_ALLOW_KERNEL_DEBUGGING; msr->idx = HV_X64_MSR_SYNDBG_STATUS; msr->write = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 43: msr->idx = HV_X64_MSR_SYNDBG_STATUS; msr->write = 1; msr->write_val = 0; - msr->available = 1; + msr->fault_expected = 0; break; case 44: -- 2.37.2