1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.c b/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.c
new file mode 100644
index 000000000000..97c0d96463a2
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2015 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.
+ *
+ * Authors: Ben Skeggs <bskeggs@redhat.com>
+ */
+#include "chan.h"
+
+#include <core/notify.h>
+
+#include <nvif/event.h>
+#include <nvif/unpack.h>
+
+static int
+nvkm_sw_chan_event_ctor(struct nvkm_object *object, void *data, u32 size,
+			struct nvkm_notify *notify)
+{
+	union {
+		struct nvif_notify_uevent_req none;
+	} *req = data;
+	int ret;
+
+	if (nvif_unvers(req->none)) {
+		notify->size  = sizeof(struct nvif_notify_uevent_rep);
+		notify->types = 1;
+		notify->index = 0;
+	}
+
+	return ret;
+}
+
+static const struct nvkm_event_func
+nvkm_sw_chan_event = {
+	.ctor = nvkm_sw_chan_event_ctor,
+};
+
+void
+nvkm_sw_chan_dtor(struct nvkm_object *base)
+{
+	struct nvkm_sw_chan *chan = (void *)base;
+	nvkm_event_fini(&chan->event);
+	nvkm_engctx_destroy(&chan->base);
+}
+
+int
+nvkm_sw_chan_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+		  struct nvkm_oclass *oclass, int length, void **pobject)
+{
+	struct nvkm_sw_chan *chan;
+	int ret;
+
+	ret = nvkm_engctx_create_(parent, engine, oclass, parent,
+				  0, 0, 0, length, pobject);
+	chan = *pobject;
+	if (ret)
+		return ret;
+
+	return nvkm_event_init(&nvkm_sw_chan_event, 1, 1, &chan->event);
+}