LXR linux/drivers/gpu/drm/nouveau/include/nvkm/core/notify.h

   1#ifndef __NVKM_NOTIFY_H__
   2#define __NVKM_NOTIFY_H__
   3#include <core/os.h>
   4struct nvkm_object;
   5
   6struct 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
  30int  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 *);
  34void nvkm_notify_fini(struct nvkm_notify *);
  35void nvkm_notify_get(struct nvkm_notify *);
  36void nvkm_notify_put(struct nvkm_notify *);
  37void nvkm_notify_send(struct nvkm_notify *, void *data, u32 size);
  38#endif
  39