diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/core/notify.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/core/notify.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/notify.h b/drivers/gpu/drm/nouveau/include/nvkm/core/notify.h new file mode 100644 index 000000000000..753d08c1767b --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/notify.h @@ -0,0 +1,38 @@ +#ifndef __NVKM_NOTIFY_H__ +#define __NVKM_NOTIFY_H__ +#include <core/os.h> +struct nvkm_object; + +struct nvkm_notify { + struct nvkm_event *event; + struct list_head head; +#define NVKM_NOTIFY_USER 0 +#define NVKM_NOTIFY_WORK 1 + unsigned long flags; + int block; +#define NVKM_NOTIFY_DROP 0 +#define NVKM_NOTIFY_KEEP 1 + int (*func)(struct nvkm_notify *); + + /* set by nvkm_event ctor */ + u32 types; + int index; + u32 size; + + struct work_struct work; + /* this is const for a *very* good reason - the data might be on the + * stack from an irq handler. if you're not core/notify.c then you + * should probably think twice before casting it away... + */ + const void *data; +}; + +int nvkm_notify_init(struct nvkm_object *, struct nvkm_event *, + int (*func)(struct nvkm_notify *), bool work, + void *data, u32 size, u32 reply, + struct nvkm_notify *); +void nvkm_notify_fini(struct nvkm_notify *); +void nvkm_notify_get(struct nvkm_notify *); +void nvkm_notify_put(struct nvkm_notify *); +void nvkm_notify_send(struct nvkm_notify *, void *data, u32 size); +#endif |