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Subject[PATCH] selftests/kvm: add test for KVM_GET_MSR_FEATURE_INDEX_LIST
Date
Extend the kvm_get_feature_msr function to cover also
KVM_GET_MSR_FEATURE_INDEX_LIST.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
---
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
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