diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/chid.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/chid.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chid.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chid.h new file mode 100644 index 000000000000..2a42efb18401 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chid.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: MIT */ +#ifndef __NVKM_CHID_H__ +#define __NVKM_CHID_H__ +#include <core/event.h> + +struct nvkm_chid { + struct kref kref; + int nr; + u32 mask; + + struct nvkm_event event; + + void **data; + + spinlock_t lock; + unsigned long used[]; +}; + +int nvkm_chid_new(const struct nvkm_event_func *, struct nvkm_subdev *, + int nr, int first, int count, struct nvkm_chid **pchid); +struct nvkm_chid *nvkm_chid_ref(struct nvkm_chid *); +void nvkm_chid_unref(struct nvkm_chid **); +int nvkm_chid_get(struct nvkm_chid *, void *data); +void nvkm_chid_put(struct nvkm_chid *, int id, spinlock_t *data_lock); +#endif |