linux/drivers/gpu/drm/virtio/virtgpu_ioctl.c

/*
 * Copyright (C) 2015 Red Hat, Inc.
 * All Rights Reserved.
 *
 * Authors:
 *    Dave Airlie
 *    Alon Levy
 *
 * 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.
 */

#include <linux/file.h>
#include <linux/sync_file.h>
#include <linux/uaccess.h>

#include <drm/drm_file.h>
#include <drm/virtgpu_drm.h>

#include "virtgpu_drv.h"

#define VIRTGPU_BLOB_FLAG_USE_MASK …

/* Must be called with &virtio_gpu_fpriv.struct_mutex held. */
static void virtio_gpu_create_context_locked(struct virtio_gpu_device *vgdev,
					     struct virtio_gpu_fpriv *vfpriv)
{ … }

void virtio_gpu_create_context(struct drm_device *dev, struct drm_file *file)
{ … }

static int virtio_gpu_map_ioctl(struct drm_device *dev, void *data,
				struct drm_file *file)
{ … }

static int virtio_gpu_getparam_ioctl(struct drm_device *dev, void *data,
				     struct drm_file *file)
{ … }

static int virtio_gpu_resource_create_ioctl(struct drm_device *dev, void *data,
					    struct drm_file *file)
{ … }

static int virtio_gpu_resource_info_ioctl(struct drm_device *dev, void *data,
					  struct drm_file *file)
{ … }

static int virtio_gpu_transfer_from_host_ioctl(struct drm_device *dev,
					       void *data,
					       struct drm_file *file)
{ … }

static int virtio_gpu_transfer_to_host_ioctl(struct drm_device *dev, void *data,
					     struct drm_file *file)
{ … }

static int virtio_gpu_wait_ioctl(struct drm_device *dev, void *data,
				 struct drm_file *file)
{ … }

static int virtio_gpu_get_caps_ioctl(struct drm_device *dev,
				void *data, struct drm_file *file)
{ … }

static int verify_blob(struct virtio_gpu_device *vgdev,
		       struct virtio_gpu_fpriv *vfpriv,
		       struct virtio_gpu_object_params *params,
		       struct drm_virtgpu_resource_create_blob *rc_blob,
		       bool *guest_blob, bool *host3d_blob)
{ … }

static int virtio_gpu_resource_create_blob_ioctl(struct drm_device *dev,
						 void *data,
						 struct drm_file *file)
{ … }

static int virtio_gpu_context_init_ioctl(struct drm_device *dev,
					 void *data, struct drm_file *file)
{ … }

struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS] = …;