diff options
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_drv.h')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_drv.h | 490 |
1 files changed, 290 insertions, 200 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index 3a66abb8fd50..f17660a71a3e 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -26,46 +26,105 @@ #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/drmP.h> -#include <drm/drm_gem.h> #include <drm/drm_atomic.h> -#include <drm/drm_crtc_helper.h> +#include <drm/drm_drv.h> #include <drm/drm_encoder.h> -#include <drm/ttm/ttm_bo_api.h> -#include <drm/ttm/ttm_bo_driver.h> -#include <drm/ttm/ttm_placement.h> -#include <drm/ttm/ttm_module.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 "virtio_gpu" #define DRIVER_DESC "virtio GPU" -#define DRIVER_DATE "0" #define DRIVER_MAJOR 0 -#define DRIVER_MINOR 0 -#define DRIVER_PATCHLEVEL 1 +#define DRIVER_MINOR 1 +#define DRIVER_PATCHLEVEL 0 + +#define STATE_INITIALIZING 0 +#define STATE_OK 1 +#define STATE_ERR 2 -/* virtgpu_drm_bus.c */ -int drm_virtio_init(struct drm_driver *driver, struct virtio_device *vdev); +#define MAX_CAPSET_ID 63 +#define MAX_RINGS 64 + +/* See virtio_gpu_ctx_create. One additional character for NULL terminator. */ +#define DEBUG_NAME_MAX_LEN 65 + +struct virtio_gpu_object_params { + unsigned long size; + bool dumb; + /* 3d */ + bool virgl; + bool blob; + + /* classic resources only */ + uint32_t format; + uint32_t width; + uint32_t height; + uint32_t target; + uint32_t bind; + uint32_t depth; + uint32_t array_size; + uint32_t last_level; + uint32_t nr_samples; + uint32_t flags; + + /* blob resources only */ + uint32_t ctx_id; + uint32_t blob_mem; + uint32_t blob_flags; + uint64_t blob_id; +}; struct virtio_gpu_object { - struct drm_gem_object gem_base; + struct drm_gem_shmem_object base; + struct sg_table *sgt; uint32_t hw_res_handle; - - struct sg_table *pages; - void *vmap; bool dumb; - struct ttm_place placement_code; - struct ttm_placement placement; - struct ttm_buffer_object tbo; - struct ttm_bo_kmap_obj kmap; + bool created; + bool attached; + bool host3d_blob, guest_blob; + uint32_t blob_mem, blob_flags; + + int uuid_state; + uuid_t uuid; }; #define gem_to_virtio_gpu_obj(gobj) \ - container_of((gobj), struct virtio_gpu_object, gem_base) + container_of((gobj), struct virtio_gpu_object, base.base) + +struct virtio_gpu_object_shmem { + struct virtio_gpu_object base; +}; + +struct virtio_gpu_object_vram { + struct virtio_gpu_object base; + uint32_t map_state; + uint32_t map_info; + struct drm_mm_node vram_node; +}; + +#define to_virtio_gpu_shmem(virtio_gpu_object) \ + container_of((virtio_gpu_object), struct virtio_gpu_object_shmem, base) + +#define to_virtio_gpu_vram(virtio_gpu_object) \ + container_of((virtio_gpu_object), struct virtio_gpu_object_vram, base) + +struct virtio_gpu_object_array { + struct ww_acquire_ctx ticket; + struct list_head next; + u32 nents, total; + struct drm_gem_object *objs[] __counted_by(total); +}; struct virtio_gpu_vbuffer; struct virtio_gpu_device; @@ -74,21 +133,27 @@ typedef void (*virtio_gpu_resp_cb)(struct virtio_gpu_device *vgdev, struct virtio_gpu_vbuffer *vbuf); struct virtio_gpu_fence_driver { - atomic64_t last_seq; - uint64_t sync_seq; + atomic64_t last_fence_id; + uint64_t current_fence_id; uint64_t context; struct list_head fences; spinlock_t lock; }; +struct virtio_gpu_fence_event { + struct drm_pending_event base; + struct drm_event event; +}; + struct virtio_gpu_fence { struct dma_fence f; + uint32_t ring_idx; + uint64_t fence_id; + bool emit_fence_info; + struct virtio_gpu_fence_event *e; struct virtio_gpu_fence_driver *drv; struct list_head node; - uint64_t seq; }; -#define to_virtio_fence(x) \ - container_of(x, struct virtio_gpu_fence, f) struct virtio_gpu_vbuffer { char *buf; @@ -99,10 +164,13 @@ struct virtio_gpu_vbuffer { char *resp_buf; int resp_size; - virtio_gpu_resp_cb resp_cb; + void *resp_cb_data; + struct virtio_gpu_object_array *objs; struct list_head list; + + uint32_t seqno; }; struct virtio_gpu_output { @@ -112,40 +180,34 @@ struct virtio_gpu_output { struct drm_encoder enc; struct virtio_gpu_display_one info; struct virtio_gpu_update_cursor cursor; + const struct drm_edid *drm_edid; int cur_x; int cur_y; + bool needs_modeset; }; #define drm_crtc_to_virtio_gpu_output(x) \ container_of(x, struct virtio_gpu_output, crtc) -#define drm_connector_to_virtio_gpu_output(x) \ - container_of(x, struct virtio_gpu_output, conn) -#define drm_encoder_to_virtio_gpu_output(x) \ - container_of(x, struct virtio_gpu_output, enc) struct virtio_gpu_framebuffer { struct drm_framebuffer base; - struct drm_gem_object *obj; - int x1, y1, x2, y2; /* dirty rect */ - spinlock_t dirty_lock; - uint32_t hw_res_handle; + struct virtio_gpu_fence *fence; }; #define to_virtio_gpu_framebuffer(x) \ container_of(x, struct virtio_gpu_framebuffer, base) -struct virtio_gpu_mman { - struct ttm_bo_global_ref bo_global_ref; - struct drm_global_reference mem_global_ref; - bool mem_global_referenced; - struct ttm_bo_device bdev; +struct virtio_gpu_plane_state { + struct drm_plane_state base; + struct virtio_gpu_fence *fence; }; - -struct virtio_gpu_fbdev; +#define to_virtio_gpu_plane_state(x) \ + container_of(x, struct virtio_gpu_plane_state, base) struct virtio_gpu_queue { struct virtqueue *vq; spinlock_t qlock; wait_queue_head_t ack_queue; struct work_struct dequeue_work; + uint32_t seqno; }; struct virtio_gpu_drv_capset { @@ -164,25 +226,20 @@ struct virtio_gpu_drv_cap_cache { }; struct virtio_gpu_device { - struct device *dev; struct drm_device *ddev; struct virtio_device *vdev; - struct virtio_gpu_mman mman; - - /* pointer to fbdev info structure */ - struct virtio_gpu_fbdev *vgfbdev; struct virtio_gpu_output outputs[VIRTIO_GPU_MAX_SCANOUTS]; uint32_t num_scanouts; struct virtio_gpu_queue ctrlq; struct virtio_gpu_queue cursorq; struct kmem_cache *vbufs; - bool vqs_ready; - struct idr resource_idr; - spinlock_t resource_idr_lock; + atomic_t pending_commands; + + struct ida resource_ida; wait_queue_head_t resp_wq; /* current display info */ @@ -191,235 +248,268 @@ struct virtio_gpu_device { struct virtio_gpu_fence_driver fence_drv; - struct idr ctx_id_idr; - spinlock_t ctx_id_idr_lock; + struct ida ctx_id_ida; bool has_virgl_3d; + bool has_edid; + bool has_indirect; + bool has_resource_assign_uuid; + bool has_resource_blob; + bool has_host_visible; + bool has_context_init; + struct virtio_shm_region host_visible_region; + struct drm_mm host_visible_mm; struct work_struct config_changed_work; + struct work_struct obj_free_work; + spinlock_t obj_free_lock; + struct list_head obj_free_list; + struct virtio_gpu_drv_capset *capsets; uint32_t num_capsets; + uint64_t capset_id_mask; struct list_head cap_cache; + + /* protects uuid state when exporting */ + spinlock_t resource_export_lock; + /* protects map state and host_visible_mm */ + spinlock_t host_visible_lock; }; struct virtio_gpu_fpriv { uint32_t ctx_id; + uint32_t context_init; + bool context_created; + uint32_t num_rings; + uint64_t base_fence_ctx; + uint64_t ring_idx_mask; + struct mutex context_lock; + char debug_name[DEBUG_NAME_MAX_LEN]; + bool explicit_debug_name; }; -/* virtio_ioctl.c */ -#define DRM_VIRTIO_NUM_IOCTLS 10 +/* virtgpu_ioctl.c */ +#define DRM_VIRTIO_NUM_IOCTLS 12 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); -/* virtio_kms.c */ -int virtio_gpu_driver_load(struct drm_device *dev, unsigned long flags); -void virtio_gpu_driver_unload(struct drm_device *dev); +/* 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); -/* virtio_gem.c */ -void virtio_gpu_gem_free_object(struct drm_gem_object *gem_obj); -int virtio_gpu_gem_init(struct virtio_gpu_device *vgdev); -void virtio_gpu_gem_fini(struct virtio_gpu_device *vgdev); -int virtio_gpu_gem_create(struct drm_file *file, - struct drm_device *dev, - uint64_t size, - struct drm_gem_object **obj_p, - uint32_t *handle_p); +/* 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); -struct virtio_gpu_object *virtio_gpu_alloc_object(struct drm_device *dev, - size_t size, bool kernel, - bool pinned); 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_destroy(struct drm_file *file_priv, - struct drm_device *dev, - uint32_t handle); -int virtio_gpu_mode_dumb_mmap(struct drm_file *file_priv, - struct drm_device *dev, - uint32_t handle, uint64_t *offset_p); - -/* virtio_fb */ -#define VIRTIO_GPUFB_CONN_LIMIT 1 -int virtio_gpu_fbdev_init(struct virtio_gpu_device *vgdev); -void virtio_gpu_fbdev_fini(struct virtio_gpu_device *vgdev); -int virtio_gpu_surface_dirty(struct virtio_gpu_framebuffer *qfb, - struct drm_clip_rect *clips, - unsigned num_clips); -/* virtio vg */ + +struct virtio_gpu_object_array *virtio_gpu_panic_array_alloc(void); +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_resource_id_get(struct virtio_gpu_device *vgdev, - uint32_t *resid); -void virtio_gpu_resource_id_put(struct virtio_gpu_device *vgdev, uint32_t id); void virtio_gpu_cmd_create_resource(struct virtio_gpu_device *vgdev, - uint32_t resource_id, - uint32_t format, - uint32_t width, - uint32_t height); + 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, - uint32_t resource_id); + struct virtio_gpu_object *bo); +int virtio_gpu_panic_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); void virtio_gpu_cmd_transfer_to_host_2d(struct virtio_gpu_device *vgdev, - uint32_t resource_id, uint64_t offset, - __le32 width, __le32 height, - __le32 x, __le32 y, - struct virtio_gpu_fence **fence); + 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_panic_cmd_resource_flush(struct virtio_gpu_device *vgdev, + uint32_t resource_id, + uint32_t x, uint32_t y, + uint32_t width, uint32_t height); 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); + 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); -int virtio_gpu_object_attach(struct virtio_gpu_device *vgdev, - struct virtio_gpu_object *obj, - uint32_t resource_id, - struct virtio_gpu_fence **fence); -int virtio_gpu_attach_status_page(struct virtio_gpu_device *vgdev); -int virtio_gpu_detach_status_page(struct virtio_gpu_device *vgdev); +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_object_detach(struct virtio_gpu_device *vgdev, + struct virtio_gpu_object *obj, + struct virtio_gpu_fence *fence); +int virtio_gpu_detach_object_fenced(struct virtio_gpu_object *bo); 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); -void virtio_gpu_cmd_resource_inval_backing(struct virtio_gpu_device *vgdev, - uint32_t resource_id); 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 nlen, const char *name); + 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, - uint32_t resource_id); + struct virtio_gpu_object_array *objs); void virtio_gpu_cmd_context_detach_resource(struct virtio_gpu_device *vgdev, uint32_t ctx_id, - uint32_t resource_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_fence **fence); + 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 resource_id, uint32_t ctx_id, + uint32_t ctx_id, uint64_t offset, uint32_t level, - struct virtio_gpu_box *box, - struct virtio_gpu_fence **fence); + 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 resource_id, uint32_t ctx_id, + uint32_t ctx_id, uint64_t offset, uint32_t level, - struct virtio_gpu_box *box, - struct virtio_gpu_fence **fence); + 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_resource_create_3d *rc_3d, - struct virtio_gpu_fence **fence); + 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_fence_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_dequeue_fence_func(struct work_struct *work); +void virtio_gpu_panic_notify(struct virtio_gpu_device *vgdev); +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); -/* virtio_gpu_display.c */ -int virtio_gpu_framebuffer_init(struct drm_device *dev, - struct virtio_gpu_framebuffer *vgfb, - const struct drm_mode_fb_cmd2 *mode_cmd, - struct drm_gem_object *obj); +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); -/* virtio_gpu_plane.c */ +/* 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); -/* virtio_gpu_ttm.c */ -int virtio_gpu_ttm_init(struct virtio_gpu_device *vgdev); -void virtio_gpu_ttm_fini(struct virtio_gpu_device *vgdev); -int virtio_gpu_mmap(struct file *filp, struct vm_area_struct *vma); - -/* virtio_gpu_fence.c */ -int virtio_gpu_fence_emit(struct virtio_gpu_device *vgdev, +/* 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); + struct virtio_gpu_fence *fence); void virtio_gpu_fence_event_process(struct virtio_gpu_device *vdev, - u64 last_seq); + u64 fence_id); -/* virtio_gpu_object */ +/* 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, - unsigned long size, bool kernel, bool pinned, - struct virtio_gpu_object **bo_ptr); -int virtio_gpu_object_kmap(struct virtio_gpu_object *bo, void **ptr); -int virtio_gpu_object_get_sg_table(struct virtio_gpu_device *qdev, - struct virtio_gpu_object *bo); -void virtio_gpu_object_free_sg_table(struct virtio_gpu_object *bo); -int virtio_gpu_object_wait(struct virtio_gpu_object *bo, bool no_wait); + 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 virtgpu_gem_prime_pin(struct drm_gem_object *obj); -void virtgpu_gem_prime_unpin(struct drm_gem_object *obj); -struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj); +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); -void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj); -void virtgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); -int virtgpu_gem_prime_mmap(struct drm_gem_object *obj, - struct vm_area_struct *vma); - -static inline struct virtio_gpu_object* -virtio_gpu_object_ref(struct virtio_gpu_object *bo) -{ - ttm_bo_reference(&bo->tbo); - return bo; -} - -static inline void virtio_gpu_object_unref(struct virtio_gpu_object **bo) -{ - struct ttm_buffer_object *tbo; - - if ((*bo) == NULL) - return; - tbo = &((*bo)->tbo); - ttm_bo_unref(&tbo); - if (tbo == NULL) - *bo = NULL; -} - -static inline u64 virtio_gpu_object_mmap_offset(struct virtio_gpu_object *bo) -{ - return drm_vma_node_offset_addr(&bo->tbo.vma_node); -} - -static inline int virtio_gpu_object_reserve(struct virtio_gpu_object *bo, - bool no_wait) -{ - int r; - - r = ttm_bo_reserve(&bo->tbo, true, no_wait, NULL); - if (unlikely(r != 0)) { - if (r != -ERESTARTSYS) { - struct virtio_gpu_device *qdev = - bo->gem_base.dev->dev_private; - dev_err(qdev->dev, "%p reserve failed\n", bo); - } - return r; - } - return 0; -} - -static inline void virtio_gpu_object_unreserve(struct virtio_gpu_object *bo) -{ - ttm_bo_unreserve(&bo->tbo); -} - -/* virgl debufs */ -int virtio_gpu_debugfs_init(struct drm_minor *minor); + struct drm_device *dev, struct dma_buf_attachment *attach, + struct sg_table *sgt); +int virtgpu_dma_buf_import_sgt(struct virtio_gpu_mem_entry **ents, + unsigned int *nents, + struct virtio_gpu_object *bo, + struct dma_buf_attachment *attach); + +/* 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 |