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

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

#include <linux/dma-fence-unwrap.h>
#include <linux/file.h>
#include <linux/sync_file.h>
#include <linux/uaccess.h>

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

#include "virtgpu_drv.h"

struct virtio_gpu_submit_post_dep { … };

struct virtio_gpu_submit { … };

static int virtio_gpu_do_fence_wait(struct virtio_gpu_submit *submit,
				    struct dma_fence *in_fence)
{ … }

static int virtio_gpu_dma_fence_wait(struct virtio_gpu_submit *submit,
				     struct dma_fence *fence)
{ … }

static void virtio_gpu_free_syncobjs(struct drm_syncobj **syncobjs,
				     u32 nr_syncobjs)
{ … }

static int
virtio_gpu_parse_deps(struct virtio_gpu_submit *submit)
{ … }

static void virtio_gpu_reset_syncobjs(struct drm_syncobj **syncobjs,
				      u32 nr_syncobjs)
{ … }

static void
virtio_gpu_free_post_deps(struct virtio_gpu_submit_post_dep *post_deps,
			  u32 nr_syncobjs)
{ … }

static int virtio_gpu_parse_post_deps(struct virtio_gpu_submit *submit)
{ … }

static void
virtio_gpu_process_post_deps(struct virtio_gpu_submit *submit)
{ … }

static int virtio_gpu_fence_event_create(struct drm_device *dev,
					 struct drm_file *file,
					 struct virtio_gpu_fence *fence,
					 u32 ring_idx)
{ … }

static int virtio_gpu_init_submit_buflist(struct virtio_gpu_submit *submit)
{ … }

static void virtio_gpu_cleanup_submit(struct virtio_gpu_submit *submit)
{ … }

static void virtio_gpu_submit(struct virtio_gpu_submit *submit)
{ … }

static void virtio_gpu_complete_submit(struct virtio_gpu_submit *submit)
{ … }

static int virtio_gpu_init_submit(struct virtio_gpu_submit *submit,
				  struct drm_virtgpu_execbuffer *exbuf,
				  struct drm_device *dev,
				  struct drm_file *file,
				  u64 fence_ctx, u32 ring_idx)
{ … }

static int virtio_gpu_wait_in_fence(struct virtio_gpu_submit *submit)
{ … }

static void virtio_gpu_install_out_fence_fd(struct virtio_gpu_submit *submit)
{ … }

static int virtio_gpu_lock_buflist(struct virtio_gpu_submit *submit)
{ … }

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