[PATCH] selftests/kvm: add test for KVM_GET_MSR_FEATURE_INDEX_LIST
From: Emanuele Giuseppe Esposito <hidden>
Date: 2021-03-17 07:46:45
Also in:
kvm, lkml
Subsystem:
kernel selftest framework, kernel virtual machine (kvm), the rest · Maintainers:
Shuah Khan, Shuah Khan, Paolo Bonzini, Linus Torvalds
Extend the kvm_get_feature_msr function to cover also KVM_GET_MSR_FEATURE_INDEX_LIST. Signed-off-by: Emanuele Giuseppe Esposito <redacted> --- tools/testing/selftests/kvm/lib/x86_64/processor.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c
index a8906e60a108..3eaa6b0172a9 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/processor.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c@@ -688,13 +688,20 @@ uint64_t kvm_get_feature_msr(uint64_t msr_index) struct kvm_msr_entry entry; } buffer = {}; int r, kvm_fd; + struct kvm_msr_list features_list; buffer.header.nmsrs = 1; buffer.entry.index = msr_index; + features_list.nmsrs = 1; + kvm_fd = open(KVM_DEV_PATH, O_RDONLY); if (kvm_fd < 0) exit(KSFT_SKIP); + r = ioctl(kvm_fd, KVM_GET_MSR_FEATURE_INDEX_LIST, &features_list); + TEST_ASSERT(r < 0 && r != -E2BIG, "KVM_GET_MSR_FEATURE_INDEX_LIST IOCTL failed,\n" + " rc: %i errno: %i", r, errno); + r = ioctl(kvm_fd, KVM_GET_MSRS, &buffer.header); TEST_ASSERT(r == 1, "KVM_GET_MSRS IOCTL failed,\n" " rc: %i errno: %i", r, errno);
--
2.29.2