diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/core/engctx.h')
-rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/core/engctx.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/engctx.h b/drivers/gpu/drm/nouveau/include/nvkm/core/engctx.h new file mode 100644 index 000000000000..dbc6a3e6dd44 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/engctx.h @@ -0,0 +1,54 @@ +#ifndef __NOUVEAU_ENGCTX_H__ +#define __NOUVEAU_ENGCTX_H__ + +#include <core/object.h> +#include <core/gpuobj.h> + +#include <subdev/vm.h> + +#define NV_ENGCTX_(eng,var) (NV_ENGCTX_CLASS | ((var) << 8) | (eng)) +#define NV_ENGCTX(name,var) NV_ENGCTX_(NVDEV_ENGINE_##name, (var)) + +struct nouveau_engctx { + struct nouveau_gpuobj gpuobj; + struct nouveau_vma vma; + struct list_head head; + unsigned long save; + u64 addr; +}; + +static inline struct nouveau_engctx * +nv_engctx(void *obj) +{ +#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA + if (unlikely(!nv_iclass(obj, NV_ENGCTX_CLASS))) + nv_assert("BAD CAST -> NvEngCtx, %08x", nv_hclass(obj)); +#endif + return obj; +} + +#define nouveau_engctx_create(p,e,c,g,s,a,f,d) \ + nouveau_engctx_create_((p), (e), (c), (g), (s), (a), (f), \ + sizeof(**d), (void **)d) + +int nouveau_engctx_create_(struct nouveau_object *, struct nouveau_object *, + struct nouveau_oclass *, struct nouveau_object *, + u32 size, u32 align, u32 flags, + int length, void **data); +void nouveau_engctx_destroy(struct nouveau_engctx *); +int nouveau_engctx_init(struct nouveau_engctx *); +int nouveau_engctx_fini(struct nouveau_engctx *, bool suspend); + +int _nouveau_engctx_ctor(struct nouveau_object *, struct nouveau_object *, + struct nouveau_oclass *, void *, u32, + struct nouveau_object **); +void _nouveau_engctx_dtor(struct nouveau_object *); +int _nouveau_engctx_init(struct nouveau_object *); +int _nouveau_engctx_fini(struct nouveau_object *, bool suspend); +#define _nouveau_engctx_rd32 _nouveau_gpuobj_rd32 +#define _nouveau_engctx_wr32 _nouveau_gpuobj_wr32 + +struct nouveau_object *nouveau_engctx_get(struct nouveau_engine *, u64 addr); +void nouveau_engctx_put(struct nouveau_object *); + +#endif |