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authorJanosch Frank <frankja@linux.ibm.com>2020-01-31 05:02:03 -0500
committerChristian Borntraeger <borntraeger@de.ibm.com>2020-01-31 13:17:21 +0100
commitada0a50d7685e35c1b8ee1deb9a38203acda6683 (patch)
treec4983fa4a5e99aefe151f218a9e811ebf018962a /tools/testing/selftests/kvm
parentKVM: s390: Add new reset vcpu API (diff)
downloadlinux-dev-ada0a50d7685e35c1b8ee1deb9a38203acda6683.tar.xz
linux-dev-ada0a50d7685e35c1b8ee1deb9a38203acda6683.zip
selftests: KVM: Add fpu and one reg set/get library functions
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> Link: https://lore.kernel.org/r/20200131100205.74720-5-frankja@linux.ibm.com Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'tools/testing/selftests/kvm')
-rw-r--r--tools/testing/selftests/kvm/include/kvm_util.h6
-rw-r--r--tools/testing/selftests/kvm/lib/kvm_util.c36
2 files changed, 42 insertions, 0 deletions
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
*