1 files changed, 107 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/ofa/r535.c b/drivers/gpu/drm/nouveau/nvkm/engine/ofa/r535.c
new file mode 100644
index 000000000000..438dc692eefe
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/ofa/r535.c
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2023 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "priv.h"
+
+#include <core/object.h>
+#include <subdev/gsp.h>
+#include <subdev/mmu.h>
+#include <engine/fifo.h>
+
+#include <nvrm/nvtypes.h>
+#include <nvrm/535.113.01/common/sdk/nvidia/inc/nvos.h>
+
+struct r535_ofa_obj {
+	struct nvkm_object object;
+	struct nvkm_gsp_object rm;
+};
+
+static void *
+r535_ofa_obj_dtor(struct nvkm_object *object)
+{
+	struct r535_ofa_obj *obj = container_of(object, typeof(*obj), object);
+
+	nvkm_gsp_rm_free(&obj->rm);
+	return obj;
+}
+
+static const struct nvkm_object_func
+r535_ofa_obj = {
+	.dtor = r535_ofa_obj_dtor,
+};
+
+static int
+r535_ofa_obj_ctor(const struct nvkm_oclass *oclass, void *argv, u32 argc,
+		 struct nvkm_object **pobject)
+{
+	struct nvkm_chan *chan = nvkm_uchan_chan(oclass->parent);
+	struct r535_ofa_obj *obj;
+	NV_OFA_ALLOCATION_PARAMETERS *args;
+
+	if (!(obj = kzalloc(sizeof(*obj), GFP_KERNEL)))
+		return -ENOMEM;
+
+	nvkm_object_ctor(&r535_ofa_obj, oclass, &obj->object);
+	*pobject = &obj->object;
+
+	args = nvkm_gsp_rm_alloc_get(&chan->rm.object, oclass->handle, oclass->base.oclass,
+				     sizeof(*args), &obj->rm);
+	if (WARN_ON(IS_ERR(args)))
+		return PTR_ERR(args);
+
+	args->size = sizeof(*args);
+
+	return nvkm_gsp_rm_alloc_wr(&obj->rm, args);
+}
+
+static void *
+r535_ofa_dtor(struct nvkm_engine *engine)
+{
+	kfree(engine->func);
+	return engine;
+}
+
+int
+r535_ofa_new(const struct nvkm_engine_func *hw, struct nvkm_device *device,
+	     enum nvkm_subdev_type type, int inst, struct nvkm_engine **pengine)
+{
+	struct nvkm_engine_func *rm;
+	int nclass, ret;
+
+	for (nclass = 0; hw->sclass[nclass].oclass; nclass++);
+
+	if (!(rm = kzalloc(sizeof(*rm) + (nclass + 1) * sizeof(rm->sclass[0]), GFP_KERNEL)))
+		return -ENOMEM;
+
+	rm->dtor = r535_ofa_dtor;
+	for (int i = 0; i < nclass; i++) {
+		rm->sclass[i].minver = hw->sclass[i].minver;
+		rm->sclass[i].maxver = hw->sclass[i].maxver;
+		rm->sclass[i].oclass = hw->sclass[i].oclass;
+		rm->sclass[i].ctor = r535_ofa_obj_ctor;
+	}
+
+	ret = nvkm_engine_new_(rm, device, type, inst, true, pengine);
+	if (ret)
+		kfree(rm);
+
+	return ret;
+}