Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / nvif / device.c

diff --git a/kernel/drivers/gpu/drm/nouveau/nvif/device.c b/kernel/drivers/gpu/drm/nouveau/nvif/device.c
new file mode 100644 (file)
index 0000000..6f72244
--- /dev/null
+++ b/kernel/drivers/gpu/drm/nouveau/nvif/device.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2014 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs <bskeggs@redhat.com>
+ */
+
+#include <nvif/device.h>
+
+void
+nvif_device_fini(struct nvif_device *device)
+{
+       nvif_object_fini(&device->base);
+}
+
+int
+nvif_device_init(struct nvif_object *parent, void (*dtor)(struct nvif_device *),
+                u32 handle, u32 oclass, void *data, u32 size,
+                struct nvif_device *device)
+{
+       int ret = nvif_object_init(parent, (void *)dtor, handle, oclass,
+                                  data, size, &device->base);
+       if (ret == 0) {
+               device->object = &device->base;
+               device->info.version = 0;
+               ret = nvif_object_mthd(&device->base, NV_DEVICE_V0_INFO,
+                                      &device->info, sizeof(device->info));
+       }
+       return ret;
+}
+
+static void
+nvif_device_del(struct nvif_device *device)
+{
+       nvif_device_fini(device);
+       kfree(device);
+}
+
+int
+nvif_device_new(struct nvif_object *parent, u32 handle, u32 oclass,
+               void *data, u32 size, struct nvif_device **pdevice)
+{
+       struct nvif_device *device = kzalloc(sizeof(*device), GFP_KERNEL);
+       if (device) {
+               int ret = nvif_device_init(parent, nvif_device_del, handle,
+                                          oclass, data, size, device);
+               if (ret) {
+                       kfree(device);
+                       device = NULL;
+               }
+               *pdevice = device;
+               return ret;
+       }
+       return -ENOMEM;
+}
+
+void
+nvif_device_ref(struct nvif_device *device, struct nvif_device **pdevice)
+{
+       nvif_object_ref(&device->base, (struct nvif_object **)pdevice);
+}