| /* SPDX-License-Identifier: GPL-2.0 */ |
| #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 |