Include nvgpu headers

These are needed to build on NVIDIA's Jetson boards for the time
being. Only a couple structs are required, so it should be fairly
easy to remove this dependency at some point in the future.

1 files changed, 106 insertions, 0 deletions

diff --git a/include/nvgpu/cond.h b/include/nvgpu/cond.h
new file mode 100644
index 0000000..49e9d1f
--- /dev/null
+++ b/include/nvgpu/cond.h
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+/*
+ * Copyright (c) 2017-2018, 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_COND_H
+#define NVGPU_COND_H
+
+#ifdef __KERNEL__
+#include <nvgpu/linux/cond.h>
+#elif defined(__NVGPU_POSIX__)
+#include <nvgpu/posix/cond.h>
+#else
+#include <nvgpu_rmos/include/cond.h>
+#endif
+
+/*
+ * struct nvgpu_cond
+ *
+ * Should be implemented per-OS in a separate library
+ */
+struct nvgpu_cond;
+
+/**
+ * nvgpu_cond_init - Initialize a condition variable
+ *
+ * @cond - The condition variable to initialize
+ *
+ * Initialize a condition variable before using it.
+ */
+int nvgpu_cond_init(struct nvgpu_cond *cond);
+
+/**
+ * nvgpu_cond_signal - Signal a condition variable
+ *
+ * @cond - The condition variable to signal
+ *
+ * Wake up a waiter for a condition variable to check if its condition has been
+ * satisfied.
+ *
+ * The waiter is using an uninterruptible wait.
+ */
+int nvgpu_cond_signal(struct nvgpu_cond *cond);
+
+/**
+ * nvgpu_cond_signal_interruptible - Signal a condition variable
+ *
+ * @cond - The condition variable to signal
+ *
+ * Wake up a waiter for a condition variable to check if its condition has been
+ * satisfied.
+ *
+ * The waiter is using an interruptible wait.
+ */
+int nvgpu_cond_signal_interruptible(struct nvgpu_cond *cond);
+
+/**
+ * nvgpu_cond_broadcast - Signal all waiters of a condition variable
+ *
+ * @cond - The condition variable to signal
+ *
+ * Wake up all waiters for a condition variable to check if their conditions
+ * have been satisfied.
+ *
+ * The waiters are using an uninterruptible wait.
+ */
+int nvgpu_cond_broadcast(struct nvgpu_cond *cond);
+
+/**
+ * nvgpu_cond_broadcast_interruptible - Signal all waiters of a condition
+ * variable
+ *
+ * @cond - The condition variable to signal
+ *
+ * Wake up all waiters for a condition variable to check if their conditions
+ * have been satisfied.
+ *
+ * The waiters are using an interruptible wait.
+ */
+int nvgpu_cond_broadcast_interruptible(struct nvgpu_cond *cond);
+
+/**
+ * nvgpu_cond_destroy - Destroy a condition variable
+ *
+ * @cond - The condition variable to destroy
+ */
+void nvgpu_cond_destroy(struct nvgpu_cond *cond);
+
+#endif /* NVGPU_COND_H */