1 #ifndef __NVKM_NOTIFY_H__ 2 #define __NVKM_NOTIFY_H__ 3 #include <core/os.h> 4 struct nvkm_object; 5 6 struct nvkm_notify { 7 struct nvkm_event *event; 8 struct list_head head; 9 #define NVKM_NOTIFY_USER 0 10 #define NVKM_NOTIFY_WORK 1 11 unsigned long flags; 12 int block; 13 #define NVKM_NOTIFY_DROP 0 14 #define NVKM_NOTIFY_KEEP 1 15 int (*func)(struct nvkm_notify *); 16 17 /* set by nvkm_event ctor */ 18 u32 types; 19 int index; 20 u32 size; 21 22 struct work_struct work; 23 /* this is const for a *very* good reason - the data might be on the 24 * stack from an irq handler. if you're not core/notify.c then you 25 * should probably think twice before casting it away... 26 */ 27 const void *data; 28 }; 29 30 int nvkm_notify_init(struct nvkm_object *, struct nvkm_event *, 31 int (*func)(struct nvkm_notify *), bool work, 32 void *data, u32 size, u32 reply, 33 struct nvkm_notify *); 34 void nvkm_notify_fini(struct nvkm_notify *); 35 void nvkm_notify_get(struct nvkm_notify *); 36 void nvkm_notify_put(struct nvkm_notify *); 37 void nvkm_notify_send(struct nvkm_notify *, void *data, u32 size); 38 #endif 39