1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/vfn/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/vfn/base.c
new file mode 100644
index 000000000000..62e81d551f44
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/vfn/base.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2021 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"
+
+static void *
+nvkm_vfn_dtor(struct nvkm_subdev *subdev)
+{
+	return nvkm_vfn(subdev);
+}
+
+static const struct nvkm_subdev_func
+nvkm_vfn = {
+	.dtor = nvkm_vfn_dtor,
+};
+
+int
+nvkm_vfn_new_(const struct nvkm_vfn_func *func, struct nvkm_device *device,
+	      enum nvkm_subdev_type type, int inst, u32 addr, struct nvkm_vfn **pvfn)
+{
+	struct nvkm_vfn *vfn;
+	int ret;
+
+	if (!(vfn = *pvfn = kzalloc(sizeof(*vfn), GFP_KERNEL)))
+		return -ENOMEM;
+
+	nvkm_subdev_ctor(&nvkm_vfn, device, type, inst, &vfn->subdev);
+	vfn->func = func;
+	vfn->addr.priv = addr;
+	vfn->addr.user = vfn->addr.priv + func->user.addr;
+
+	if (vfn->func->intr) {
+		ret = nvkm_intr_add(vfn->func->intr, vfn->func->intrs,
+				    &vfn->subdev, 8, &vfn->intr);
+		if (ret)
+			return ret;
+	}
+
+	vfn->user.ctor = nvkm_uvfn_new;
+	vfn->user.base = func->user.base;
+	return 0;
+}