These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / nvkm / engine / sw / nvsw.c

diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.c
new file mode 100644 (file)
index 0000000..66cf986
--- /dev/null
+++ b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.c
@@ -0,0 +1,85 @@
+/*
+ * 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 "nvsw.h"
+#include "chan.h"
+
+#include <nvif/class.h>
+
+static int
+nvkm_nvsw_mthd_(struct nvkm_object *object, u32 mthd, void *data, u32 size)
+{
+       struct nvkm_nvsw *nvsw = nvkm_nvsw(object);
+       if (nvsw->func->mthd)
+               return nvsw->func->mthd(nvsw, mthd, data, size);
+       return -ENODEV;
+}
+
+static int
+nvkm_nvsw_ntfy_(struct nvkm_object *object, u32 mthd,
+               struct nvkm_event **pevent)
+{
+       struct nvkm_nvsw *nvsw = nvkm_nvsw(object);
+       switch (mthd) {
+       case NVSW_NTFY_UEVENT:
+               *pevent = &nvsw->chan->event;
+               return 0;
+       default:
+               break;
+       }
+       return -EINVAL;
+}
+
+static const struct nvkm_object_func
+nvkm_nvsw_ = {
+       .mthd = nvkm_nvsw_mthd_,
+       .ntfy = nvkm_nvsw_ntfy_,
+};
+
+int
+nvkm_nvsw_new_(const struct nvkm_nvsw_func *func, struct nvkm_sw_chan *chan,
+              const struct nvkm_oclass *oclass, void *data, u32 size,
+              struct nvkm_object **pobject)
+{
+       struct nvkm_nvsw *nvsw;
+
+       if (!(nvsw = kzalloc(sizeof(*nvsw), GFP_KERNEL)))
+               return -ENOMEM;
+       *pobject = &nvsw->object;
+
+       nvkm_object_ctor(&nvkm_nvsw_, oclass, &nvsw->object);
+       nvsw->func = func;
+       nvsw->chan = chan;
+       return 0;
+}
+
+static const struct nvkm_nvsw_func
+nvkm_nvsw = {
+};
+
+int
+nvkm_nvsw_new(struct nvkm_sw_chan *chan, const struct nvkm_oclass *oclass,
+             void *data, u32 size, struct nvkm_object **pobject)
+{
+       return nvkm_nvsw_new_(&nvkm_nvsw, chan, oclass, data, size, pobject);
+}