1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/msgqueue.h b/drivers/gpu/drm/nouveau/include/nvkm/core/msgqueue.h
new file mode 100644
index 000000000000..fac0824197f1
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/msgqueue.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+#ifndef __NVKM_CORE_MSGQUEUE_H
+#define __NVKM_CORE_MSGQUEUE_H
+
+#include <core/os.h>
+
+struct nvkm_falcon;
+struct nvkm_msgqueue;
+enum nvkm_secboot_falcon;
+
+/* Hopefully we will never have firmware arguments larger than that... */
+#define NVKM_MSGQUEUE_CMDLINE_SIZE 0x100
+
+int nvkm_msgqueue_new(u32, struct nvkm_falcon *, struct nvkm_msgqueue **);
+void nvkm_msgqueue_del(struct nvkm_msgqueue **);
+void nvkm_msgqueue_recv(struct nvkm_msgqueue *);
+int nvkm_msgqueue_reinit(struct nvkm_msgqueue *);
+
+/* useful if we run a NVIDIA-signed firmware */
+void nvkm_msgqueue_write_cmdline(struct nvkm_msgqueue *, void *);
+
+/* interface to ACR unit running on falcon (NVIDIA signed firmware) */
+int nvkm_msgqueue_acr_boot_falcon(struct nvkm_msgqueue *,
+				  enum nvkm_secboot_falcon);
+
+#endif