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authorCornelia Huck <cornelia.huck@de.ibm.com>2014-05-09 10:06:46 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2014-05-13 13:11:08 +0200
commitada4135f84adcacd9294269e22113460650ae1ab (patch)
tree5ed60670851fc64b5c8762fbfb9b9056dacfb615 /kvm-all.c
parent8e03c100a7aeb268a7ebfdd98298591a63df0626 (diff)
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kvm: make one_reg helpers available for everyone
s390x introduced helper functions for getting/setting one_regs with commit 860643bc. However, nothing about these is s390-specific. Alexey Kardashevskiy had already posted a general version, so let's merge the two patches and massage the code a bit. CC: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'kvm-all.c')
-rw-r--r--kvm-all.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/kvm-all.c b/kvm-all.c
index 5cb7f26..94520e5 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -2114,3 +2114,31 @@ int kvm_create_device(KVMState *s, uint64_t type, bool test)
return test ? 0 : create_dev.fd;
}
+
+int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source)
+{
+ struct kvm_one_reg reg;
+ int r;
+
+ reg.id = id;
+ reg.addr = (uintptr_t) source;
+ r = kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, &reg);
+ if (r) {
+ trace_kvm_failed_reg_set(id, strerror(r));
+ }
+ return r;
+}
+
+int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target)
+{
+ struct kvm_one_reg reg;
+ int r;
+
+ reg.id = id;
+ reg.addr = (uintptr_t) target;
+ r = kvm_vcpu_ioctl(cs, KVM_GET_ONE_REG, &reg);
+ if (r) {
+ trace_kvm_failed_reg_get(id, strerror(r));
+ }
+ return r;
+}