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

/*
 * Copyright (C) 2015 Red Hat, Inc.
 * All Rights Reserved.
 *
 * 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 (including the
 * next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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 <drm/drm_file.h>
#include <drm/drm_fourcc.h>

#include "virtgpu_drv.h"

static int virtio_gpu_gem_create(struct drm_file *file,
				 struct drm_device *dev,
				 struct virtio_gpu_object_params *params,
				 struct drm_gem_object **obj_p,
				 uint32_t *handle_p)
{ … }

int virtio_gpu_mode_dumb_create(struct drm_file *file_priv,
				struct drm_device *dev,
				struct drm_mode_create_dumb *args)
{ … }

int virtio_gpu_mode_dumb_mmap(struct drm_file *file_priv,
			      struct drm_device *dev,
			      uint32_t handle, uint64_t *offset_p)
{ … }

int virtio_gpu_gem_object_open(struct drm_gem_object *obj,
			       struct drm_file *file)
{ … }

void virtio_gpu_gem_object_close(struct drm_gem_object *obj,
				 struct drm_file *file)
{ … }

struct virtio_gpu_object_array *virtio_gpu_array_alloc(u32 nents)
{ … }

static void virtio_gpu_array_free(struct virtio_gpu_object_array *objs)
{ … }

struct virtio_gpu_object_array*
virtio_gpu_array_from_handles(struct drm_file *drm_file, u32 *handles, u32 nents)
{ … }

void virtio_gpu_array_add_obj(struct virtio_gpu_object_array *objs,
			      struct drm_gem_object *obj)
{ … }

int virtio_gpu_array_lock_resv(struct virtio_gpu_object_array *objs)
{ … }

void virtio_gpu_array_unlock_resv(struct virtio_gpu_object_array *objs)
{ … }

void virtio_gpu_array_add_fence(struct virtio_gpu_object_array *objs,
				struct dma_fence *fence)
{ … }

void virtio_gpu_array_put_free(struct virtio_gpu_object_array *objs)
{ … }

void virtio_gpu_array_put_free_delayed(struct virtio_gpu_device *vgdev,
				       struct virtio_gpu_object_array *objs)
{ … }

void virtio_gpu_array_put_free_work(struct work_struct *work)
{ … }