Merge tag 'kvmarm-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmar...

[platform/kernel/linux-rpi.git] / tools / testing / selftests / kvm / lib / kvm_util.c

diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index 35247db..8926f91 100644 (file)
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -1731,6 +1731,81 @@ int _kvm_ioctl(struct kvm_vm *vm, unsigned long cmd, void *arg)
 }
 
 /*
+ * Device Ioctl
+ */
+
+int _kvm_device_check_attr(int dev_fd, uint32_t group, uint64_t attr)
+{
+       struct kvm_device_attr attribute = {
+               .group = group,
+               .attr = attr,
+               .flags = 0,
+       };
+
+       return ioctl(dev_fd, KVM_HAS_DEVICE_ATTR, &attribute);
+}
+
+int kvm_device_check_attr(int dev_fd, uint32_t group, uint64_t attr)
+{
+       int ret = _kvm_device_check_attr(dev_fd, group, attr);
+
+       TEST_ASSERT(ret >= 0, "KVM_HAS_DEVICE_ATTR failed, rc: %i errno: %i", ret, errno);
+       return ret;
+}
+
+int _kvm_create_device(struct kvm_vm *vm, uint64_t type, bool test, int *fd)
+{
+       struct kvm_create_device create_dev;
+       int ret;
+
+       create_dev.type = type;
+       create_dev.fd = -1;
+       create_dev.flags = test ? KVM_CREATE_DEVICE_TEST : 0;
+       ret = ioctl(vm_get_fd(vm), KVM_CREATE_DEVICE, &create_dev);
+       *fd = create_dev.fd;
+       return ret;
+}
+
+int kvm_create_device(struct kvm_vm *vm, uint64_t type, bool test)
+{
+       int fd, ret;
+
+       ret = _kvm_create_device(vm, type, test, &fd);
+
+       if (!test) {
+               TEST_ASSERT(ret >= 0,
+                           "KVM_CREATE_DEVICE IOCTL failed, rc: %i errno: %i", ret, errno);
+               return fd;
+       }
+       return ret;
+}
+
+int _kvm_device_access(int dev_fd, uint32_t group, uint64_t attr,
+                     void *val, bool write)
+{
+       struct kvm_device_attr kvmattr = {
+               .group = group,
+               .attr = attr,
+               .flags = 0,
+               .addr = (uintptr_t)val,
+       };
+       int ret;
+
+       ret = ioctl(dev_fd, write ? KVM_SET_DEVICE_ATTR : KVM_GET_DEVICE_ATTR,
+                   &kvmattr);
+       return ret;
+}
+
+int kvm_device_access(int dev_fd, uint32_t group, uint64_t attr,
+                     void *val, bool write)
+{
+       int ret = _kvm_device_access(dev_fd, group, attr, val, write);
+
+       TEST_ASSERT(ret >= 0, "KVM_SET|GET_DEVICE_ATTR IOCTL failed, rc: %i errno: %i", ret, errno);
+       return ret;
+}
+
+/*
  * VM Dump
  *
  * Input Args: