Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / include / nvkm / core / engctx.h

diff --git a/kernel/drivers/gpu/drm/nouveau/include/nvkm/core/engctx.h b/kernel/drivers/gpu/drm/nouveau/include/nvkm/core/engctx.h
new file mode 100644 (file)
index 0000000..1bf2e8e
--- /dev/null
+++ b/kernel/drivers/gpu/drm/nouveau/include/nvkm/core/engctx.h
@@ -0,0 +1,51 @@
+#ifndef __NVKM_ENGCTX_H__
+#define __NVKM_ENGCTX_H__
+#include <core/gpuobj.h>
+
+#include <subdev/mmu.h>
+
+#define NV_ENGCTX_(eng,var) (NV_ENGCTX_CLASS | ((var) << 8) | (eng))
+#define NV_ENGCTX(name,var)  NV_ENGCTX_(NVDEV_ENGINE_##name, (var))
+
+struct nvkm_engctx {
+       struct nvkm_gpuobj gpuobj;
+       struct nvkm_vma vma;
+       struct list_head head;
+       unsigned long save;
+       u64 addr;
+};
+
+static inline struct nvkm_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 nvkm_engctx_create(p,e,c,g,s,a,f,d)                                 \
+       nvkm_engctx_create_((p), (e), (c), (g), (s), (a), (f),              \
+                              sizeof(**d), (void **)d)
+
+int  nvkm_engctx_create_(struct nvkm_object *, struct nvkm_object *,
+                           struct nvkm_oclass *, struct nvkm_object *,
+                           u32 size, u32 align, u32 flags,
+                           int length, void **data);
+void nvkm_engctx_destroy(struct nvkm_engctx *);
+int  nvkm_engctx_init(struct nvkm_engctx *);
+int  nvkm_engctx_fini(struct nvkm_engctx *, bool suspend);
+
+int  _nvkm_engctx_ctor(struct nvkm_object *, struct nvkm_object *,
+                         struct nvkm_oclass *, void *, u32,
+                         struct nvkm_object **);
+void _nvkm_engctx_dtor(struct nvkm_object *);
+int  _nvkm_engctx_init(struct nvkm_object *);
+int  _nvkm_engctx_fini(struct nvkm_object *, bool suspend);
+#define _nvkm_engctx_rd32 _nvkm_gpuobj_rd32
+#define _nvkm_engctx_wr32 _nvkm_gpuobj_wr32
+
+struct nvkm_object *nvkm_engctx_get(struct nvkm_engine *, u64 addr);
+void nvkm_engctx_put(struct nvkm_object *);
+#endif