diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvif/notify.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvif/notify.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvif/notify.h b/drivers/gpu/drm/nouveau/nvif/notify.h new file mode 100644 index 000000000000..9ebfa3b45e76 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvif/notify.h @@ -0,0 +1,39 @@ +#ifndef __NVIF_NOTIFY_H__ +#define __NVIF_NOTIFY_H__ + +struct nvif_notify { + struct nvif_object *object; + int index; + +#define NVIF_NOTIFY_USER 0 +#define NVIF_NOTIFY_WORK 1 + unsigned long flags; + atomic_t putcnt; + void (*dtor)(struct nvif_notify *); +#define NVIF_NOTIFY_DROP 0 +#define NVIF_NOTIFY_KEEP 1 + int (*func)(struct nvif_notify *); + + /* this is const for a *very* good reason - the data might be on the + * stack from an irq handler. if you're not nvif/notify.c then you + * should probably think twice before casting it away... + */ + const void *data; + u32 size; + struct work_struct work; +}; + +int nvif_notify_init(struct nvif_object *, void (*dtor)(struct nvif_notify *), + int (*func)(struct nvif_notify *), bool work, u8 type, + void *data, u32 size, u32 reply, struct nvif_notify *); +int nvif_notify_fini(struct nvif_notify *); +int nvif_notify_get(struct nvif_notify *); +int nvif_notify_put(struct nvif_notify *); +int nvif_notify(const void *, u32, const void *, u32); + +int nvif_notify_new(struct nvif_object *, int (*func)(struct nvif_notify *), + bool work, u8 type, void *data, u32 size, u32 reply, + struct nvif_notify **); +void nvif_notify_ref(struct nvif_notify *, struct nvif_notify **); + +#endif |