1 /* $NetBSD: notify.h,v 1.3 2021/12/18 23:45:33 riastradh Exp $ */ 2 3 /* SPDX-License-Identifier: MIT */ 4 #ifndef __NVIF_NOTIFY_H__ 5 #define __NVIF_NOTIFY_H__ 6 7 struct nvif_notify { 8 struct nvif_object *object; 9 int index; 10 11 #define NVIF_NOTIFY_USER 0 12 #define NVIF_NOTIFY_WORK 1 13 unsigned long flags; 14 atomic_t putcnt; 15 void (*dtor)(struct nvif_notify *); 16 #define NVIF_NOTIFY_DROP 0 17 #define NVIF_NOTIFY_KEEP 1 18 int (*func)(struct nvif_notify *); 19 20 /* this is const for a *very* good reason - the data might be on the 21 * stack from an irq handler. if you're not nvif/notify.c then you 22 * should probably think twice before casting it away... 23 */ 24 const void *data; 25 u32 size; 26 struct work_struct work; 27 }; 28 29 int nvif_notify_init(struct nvif_object *, int (*func)(struct nvif_notify *), 30 bool work, u8 type, void *data, u32 size, u32 reply, 31 struct nvif_notify *); 32 int nvif_notify_fini(struct nvif_notify *); 33 int nvif_notify_get(struct nvif_notify *); 34 int nvif_notify_put(struct nvif_notify *); 35 int nvif_notify(const void *, u32, const void *, u32); 36 #endif 37