[PATCH v10 4/6] selftests: KVM: Add fpu and one reg set/get library functions

Janosch Frank
2020-01-31T10:02:25Z

Add library access to more registers.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
---
.../testing/selftests/kvm/include/kvm_util.h | 6 ++++
tools/testing/selftests/kvm/lib/kvm_util.c | 36 +++++++++++++++++++
2 files changed, 42 insertions(+)

diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h
index 29cccaf96baf..ae0d14c2540a 100644
--- a/tools/testing/selftests/kvm/include/kvm_util.h
+++ b/tools/testing/selftests/kvm/include/kvm_util.h
@@ -125,6 +125,12 @@ void vcpu_sregs_set(struct kvm_vm *vm, uint32_t vcpuid,
struct kvm_sregs *sregs);
int _vcpu_sregs_set(struct kvm_vm *vm, uint32_t vcpuid,
struct kvm_sregs *sregs);
+void vcpu_fpu_get(struct kvm_vm *vm, uint32_t vcpuid,
+ struct kvm_fpu *fpu);
+void vcpu_fpu_set(struct kvm_vm *vm, uint32_t vcpuid,
+ struct kvm_fpu *fpu);
+void vcpu_get_reg(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_one_reg *reg);
+void vcpu_set_reg(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_one_reg *reg);
#ifdef __KVM_HAVE_VCPU_EVENTS
void vcpu_events_get(struct kvm_vm *vm, uint32_t vcpuid,
struct kvm_vcpu_events *events);
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index 41cf45416060..a6dd0401eb50 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -1373,6 +1373,42 @@ int _vcpu_sregs_set(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_sregs *sregs)
return ioctl(vcpu->fd, KVM_SET_SREGS, sregs);
}

+void vcpu_fpu_get(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_fpu *fpu)
+{
+ int ret;
+
+ ret = _vcpu_ioctl(vm, vcpuid, KVM_GET_FPU, fpu);
+ TEST_ASSERT(ret == 0, "KVM_GET_FPU failed, rc: %i errno: %i (%s)",
+ ret, errno, strerror(errno));
+}
+
+void vcpu_fpu_set(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_fpu *fpu)
+{
+ int ret;
+
+ ret = _vcpu_ioctl(vm, vcpuid, KVM_SET_FPU, fpu);
+ TEST_ASSERT(ret == 0, "KVM_SET_FPU failed, rc: %i errno: %i (%s)",
+ ret, errno, strerror(errno));
+}
+
+void vcpu_get_reg(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_one_reg *reg)
+{
+ int ret;
+
+ ret = _vcpu_ioctl(vm, vcpuid, KVM_GET_ONE_REG, reg);
+ TEST_ASSERT(ret == 0, "KVM_GET_ONE_REG failed, rc: %i errno: %i (%s)",
+ ret, errno, strerror(errno));
+}
+
+void vcpu_set_reg(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_one_reg *reg)
+{
+ int ret;
+
+ ret = _vcpu_ioctl(vm, vcpuid, KVM_SET_ONE_REG, reg);
+ TEST_ASSERT(ret == 0, "KVM_SET_ONE_REG failed, rc: %i errno: %i (%s)",
+ ret, errno, strerror(errno));
+}
+
/*
* VCPU Ioctl
*
--
2.20.1