virtgpu_drv.h | Explore in Territory

/*
 * 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.
 */

#ifndef VIRTIO_DRV_H
#define VIRTIO_DRV_H

#include <linux/dma-direction.h>
#include <linux/virtio.h>
#include <linux/virtio_ids.h>
#include <linux/virtio_config.h>
#include <linux/virtio_gpu.h>

#include <drm/drm_atomic.h>
#include <drm/drm_drv.h>
#include <drm/drm_encoder.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem.h>
#include <drm/drm_gem_shmem_helper.h>
#include <drm/drm_ioctl.h>
#include <drm/drm_probe_helper.h>
#include <drm/virtgpu_drm.h>

#define DRIVER_NAME …
#define DRIVER_DESC …
#define DRIVER_DATE …

#define DRIVER_MAJOR …
#define DRIVER_MINOR …
#define DRIVER_PATCHLEVEL …

#define STATE_INITIALIZING …
#define STATE_OK …
#define STATE_ERR …

#define MAX_CAPSET_ID …
#define MAX_RINGS …

/* See virtio_gpu_ctx_create. One additional character for NULL terminator. */
#define DEBUG_NAME_MAX_LEN …

struct virtio_gpu_object_params { … };

struct virtio_gpu_object { … };
#define gem_to_virtio_gpu_obj(gobj) …

struct virtio_gpu_object_shmem { … };

struct virtio_gpu_object_vram { … };

#define to_virtio_gpu_shmem(virtio_gpu_object) …

#define to_virtio_gpu_vram(virtio_gpu_object) …

struct virtio_gpu_object_array { … };

struct virtio_gpu_vbuffer;
struct virtio_gpu_device;

virtio_gpu_resp_cb;

struct virtio_gpu_fence_driver { … };

struct virtio_gpu_fence_event { … };

struct virtio_gpu_fence { … };

struct virtio_gpu_vbuffer { … };

struct virtio_gpu_output { … };
#define drm_crtc_to_virtio_gpu_output(x) …

struct virtio_gpu_framebuffer { … };
#define to_virtio_gpu_framebuffer(x) …

struct virtio_gpu_queue { … };

struct virtio_gpu_drv_capset { … };

struct virtio_gpu_drv_cap_cache { … };

struct virtio_gpu_device { … };

struct virtio_gpu_fpriv { … };

/* virtgpu_ioctl.c */
#define DRM_VIRTIO_NUM_IOCTLS …
extern struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS];
void virtio_gpu_create_context(struct drm_device *dev, struct drm_file *file);

/* virtgpu_kms.c */
int virtio_gpu_init(struct virtio_device *vdev, struct drm_device *dev);
void virtio_gpu_deinit(struct drm_device *dev);
void virtio_gpu_release(struct drm_device *dev);
int virtio_gpu_driver_open(struct drm_device *dev, struct drm_file *file);
void virtio_gpu_driver_postclose(struct drm_device *dev, struct drm_file *file);

/* virtgpu_gem.c */
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);
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);

struct virtio_gpu_object_array *virtio_gpu_array_alloc(u32 nents);
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);

/* virtgpu_vq.c */
int virtio_gpu_alloc_vbufs(struct virtio_gpu_device *vgdev);
void virtio_gpu_free_vbufs(struct virtio_gpu_device *vgdev);
void virtio_gpu_cmd_create_resource(struct virtio_gpu_device *vgdev,
				    struct virtio_gpu_object *bo,
				    struct virtio_gpu_object_params *params,
				    struct virtio_gpu_object_array *objs,
				    struct virtio_gpu_fence *fence);
void virtio_gpu_cmd_unref_resource(struct virtio_gpu_device *vgdev,
				   struct virtio_gpu_object *bo);
void virtio_gpu_cmd_transfer_to_host_2d(struct virtio_gpu_device *vgdev,
					uint64_t offset,
					uint32_t width, uint32_t height,
					uint32_t x, uint32_t y,
					struct virtio_gpu_object_array *objs,
					struct virtio_gpu_fence *fence);
void virtio_gpu_cmd_resource_flush(struct virtio_gpu_device *vgdev,
				   uint32_t resource_id,
				   uint32_t x, uint32_t y,
				   uint32_t width, uint32_t height,
				   struct virtio_gpu_object_array *objs,
				   struct virtio_gpu_fence *fence);
void virtio_gpu_cmd_set_scanout(struct virtio_gpu_device *vgdev,
				uint32_t scanout_id, uint32_t resource_id,
				uint32_t width, uint32_t height,
				uint32_t x, uint32_t y);
void virtio_gpu_object_attach(struct virtio_gpu_device *vgdev,
			      struct virtio_gpu_object *obj,
			      struct virtio_gpu_mem_entry *ents,
			      unsigned int nents);
void virtio_gpu_cursor_ping(struct virtio_gpu_device *vgdev,
			    struct virtio_gpu_output *output);
int virtio_gpu_cmd_get_display_info(struct virtio_gpu_device *vgdev);
int virtio_gpu_cmd_get_capset_info(struct virtio_gpu_device *vgdev, int idx);
int virtio_gpu_cmd_get_capset(struct virtio_gpu_device *vgdev,
			      int idx, int version,
			      struct virtio_gpu_drv_cap_cache **cache_p);
int virtio_gpu_cmd_get_edids(struct virtio_gpu_device *vgdev);
void virtio_gpu_cmd_context_create(struct virtio_gpu_device *vgdev, uint32_t id,
				   uint32_t context_init, uint32_t nlen,
				   const char *name);
void virtio_gpu_cmd_context_destroy(struct virtio_gpu_device *vgdev,
				    uint32_t id);
void virtio_gpu_cmd_context_attach_resource(struct virtio_gpu_device *vgdev,
					    uint32_t ctx_id,
					    struct virtio_gpu_object_array *objs);
void virtio_gpu_cmd_context_detach_resource(struct virtio_gpu_device *vgdev,
					    uint32_t ctx_id,
					    struct virtio_gpu_object_array *objs);
void virtio_gpu_cmd_submit(struct virtio_gpu_device *vgdev,
			   void *data, uint32_t data_size,
			   uint32_t ctx_id,
			   struct virtio_gpu_object_array *objs,
			   struct virtio_gpu_fence *fence);
void virtio_gpu_cmd_transfer_from_host_3d(struct virtio_gpu_device *vgdev,
					  uint32_t ctx_id,
					  uint64_t offset, uint32_t level,
					  uint32_t stride,
					  uint32_t layer_stride,
					  struct drm_virtgpu_3d_box *box,
					  struct virtio_gpu_object_array *objs,
					  struct virtio_gpu_fence *fence);
void virtio_gpu_cmd_transfer_to_host_3d(struct virtio_gpu_device *vgdev,
					uint32_t ctx_id,
					uint64_t offset, uint32_t level,
					uint32_t stride,
					uint32_t layer_stride,
					struct drm_virtgpu_3d_box *box,
					struct virtio_gpu_object_array *objs,
					struct virtio_gpu_fence *fence);
void
virtio_gpu_cmd_resource_create_3d(struct virtio_gpu_device *vgdev,
				  struct virtio_gpu_object *bo,
				  struct virtio_gpu_object_params *params,
				  struct virtio_gpu_object_array *objs,
				  struct virtio_gpu_fence *fence);
void virtio_gpu_ctrl_ack(struct virtqueue *vq);
void virtio_gpu_cursor_ack(struct virtqueue *vq);
void virtio_gpu_dequeue_ctrl_func(struct work_struct *work);
void virtio_gpu_dequeue_cursor_func(struct work_struct *work);
void virtio_gpu_notify(struct virtio_gpu_device *vgdev);

int
virtio_gpu_cmd_resource_assign_uuid(struct virtio_gpu_device *vgdev,
				    struct virtio_gpu_object_array *objs);

int virtio_gpu_cmd_map(struct virtio_gpu_device *vgdev,
		       struct virtio_gpu_object_array *objs, uint64_t offset);

void virtio_gpu_cmd_unmap(struct virtio_gpu_device *vgdev,
			  struct virtio_gpu_object *bo);

void
virtio_gpu_cmd_resource_create_blob(struct virtio_gpu_device *vgdev,
				    struct virtio_gpu_object *bo,
				    struct virtio_gpu_object_params *params,
				    struct virtio_gpu_mem_entry *ents,
				    uint32_t nents);
void
virtio_gpu_cmd_set_scanout_blob(struct virtio_gpu_device *vgdev,
				uint32_t scanout_id,
				struct virtio_gpu_object *bo,
				struct drm_framebuffer *fb,
				uint32_t width, uint32_t height,
				uint32_t x, uint32_t y);

/* virtgpu_display.c */
int virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev);
void virtio_gpu_modeset_fini(struct virtio_gpu_device *vgdev);

/* virtgpu_plane.c */
uint32_t virtio_gpu_translate_format(uint32_t drm_fourcc);
struct drm_plane *virtio_gpu_plane_init(struct virtio_gpu_device *vgdev,
					enum drm_plane_type type,
					int index);

/* virtgpu_fence.c */
struct virtio_gpu_fence *virtio_gpu_fence_alloc(struct virtio_gpu_device *vgdev,
						uint64_t base_fence_ctx,
						uint32_t ring_idx);
void virtio_gpu_fence_emit(struct virtio_gpu_device *vgdev,
			  struct virtio_gpu_ctrl_hdr *cmd_hdr,
			  struct virtio_gpu_fence *fence);
void virtio_gpu_fence_event_process(struct virtio_gpu_device *vdev,
				    u64 fence_id);

/* virtgpu_object.c */
void virtio_gpu_cleanup_object(struct virtio_gpu_object *bo);
struct drm_gem_object *virtio_gpu_create_object(struct drm_device *dev,
						size_t size);
int virtio_gpu_object_create(struct virtio_gpu_device *vgdev,
			     struct virtio_gpu_object_params *params,
			     struct virtio_gpu_object **bo_ptr,
			     struct virtio_gpu_fence *fence);

bool virtio_gpu_is_shmem(struct virtio_gpu_object *bo);

int virtio_gpu_resource_id_get(struct virtio_gpu_device *vgdev,
			       uint32_t *resid);
/* virtgpu_prime.c */
int virtio_gpu_resource_assign_uuid(struct virtio_gpu_device *vgdev,
				    struct virtio_gpu_object *bo);
struct dma_buf *virtgpu_gem_prime_export(struct drm_gem_object *obj,
					 int flags);
struct drm_gem_object *virtgpu_gem_prime_import(struct drm_device *dev,
						struct dma_buf *buf);
struct drm_gem_object *virtgpu_gem_prime_import_sg_table(
	struct drm_device *dev, struct dma_buf_attachment *attach,
	struct sg_table *sgt);

/* virtgpu_debugfs.c */
void virtio_gpu_debugfs_init(struct drm_minor *minor);

/* virtgpu_vram.c */
bool virtio_gpu_is_vram(struct virtio_gpu_object *bo);
int virtio_gpu_vram_create(struct virtio_gpu_device *vgdev,
			   struct virtio_gpu_object_params *params,
			   struct virtio_gpu_object **bo_ptr);
struct sg_table *virtio_gpu_vram_map_dma_buf(struct virtio_gpu_object *bo,
					     struct device *dev,
					     enum dma_data_direction dir);
void virtio_gpu_vram_unmap_dma_buf(struct device *dev,
				   struct sg_table *sgt,
				   enum dma_data_direction dir);

/* virtgpu_submit.c */
int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
				struct drm_file *file);

#endif
linux/drivers/gpu/drm/virtio/virtgpu_drv.h
