Amit Shah wrote:
kvm_set_cpuid2() builds on top of kvm_set_cpuid() and correctly populates
cpuid functions that have sub-leaves.
Signed-off-by: Amit Shah <[email protected]>
---
libkvm/libkvm-x86.c | 18 ++++++++++++++++++
libkvm/libkvm.h | 16 ++++++++++++++++
2 files changed, 34 insertions(+), 0 deletions(-)
diff --git a/libkvm/libkvm-x86.c b/libkvm/libkvm-x86.c
index a8cca15..93a9c4e 100644
--- a/libkvm/libkvm-x86.c
+++ b/libkvm/libkvm-x86.c
@@ -475,6 +475,24 @@ int kvm_setup_cpuid(kvm_context_t kvm, int vcpu, int nent,
return r;
}
+int kvm_setup_cpuid2(kvm_context_t kvm, int vcpu, int nent,
+ struct kvm_cpuid_entry2 *entries)
+{
+ struct kvm_cpuid2 *cpuid;
+ int r;
+
+ cpuid = malloc(sizeof(*cpuid) + nent * sizeof(*entries));
+ if (!cpuid)
+ return -ENOMEM;
+
+ cpuid->nent = nent;
+ memcpy(cpuid->entries, entries, nent * sizeof(*entries));
+ r = ioctl(kvm->vcpu_fd[vcpu], KVM_SET_CPUID2, cpuid);
+
+ free(cpuid);
+ return r;
+}
Should return -errno, not -EPERM, if the ioctl fails.
--
error compiling committee.c: too many arguments to function
--
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