1 files changed, 53 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/ctxsw_trace.h b/drivers/gpu/nvgpu/include/nvgpu/ctxsw_trace.h
new file mode 100644
index 00000000..cc6edb49
--- /dev/null
+++ b/drivers/gpu/nvgpu/include/nvgpu/ctxsw_trace.h
@@ -0,0 +1,53 @@
+/*
+ * 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 __NVGPU_CTXSW_TRACE_H__
+#define __NVGPU_CTXSW_TRACE_H__
+
+#include <nvgpu/types.h>
+
+struct gk20a;
+struct tsg_gk20a;
+struct channel_gk20a;
+struct nvgpu_ctxsw_trace_entry;
+
+int gk20a_ctxsw_trace_init(struct gk20a *g);
+
+void gk20a_ctxsw_trace_channel_reset(struct gk20a *g, struct channel_gk20a *ch);
+void gk20a_ctxsw_trace_tsg_reset(struct gk20a *g, struct tsg_gk20a *tsg);
+
+void gk20a_ctxsw_trace_cleanup(struct gk20a *g);
+int gk20a_ctxsw_trace_write(struct gk20a *g,
+                            struct nvgpu_ctxsw_trace_entry *entry);
+void gk20a_ctxsw_trace_wake_up(struct gk20a *g, int vmid);
+
+#ifdef CONFIG_GK20A_CTXSW_TRACE
+struct file;
+struct vm_area_struct;
+
+int gk20a_ctxsw_dev_mmap(struct file *filp, struct vm_area_struct *vma);
+int gk20a_ctxsw_dev_ring_alloc(struct gk20a *g, void **buf, size_t *size);
+int gk20a_ctxsw_dev_ring_free(struct gk20a *g);
+int gk20a_ctxsw_dev_mmap_buffer(struct gk20a *g, struct vm_area_struct *vma);
+#endif
+
+#endif