Initial release.

[ROCm/rccl commit: 0673d5f44f]
2015-11-17 11:30:40 -08:00
commit 529702aec6
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+/*************************************************************************
+ * Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  * Neither the name of NVIDIA CORPORATION nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ ************************************************************************/
+
+
+// Dynamically handle dependencies on external libraries (other than cudart).
+
+#ifndef SRC_LIBWRAP_H_
+#define SRC_LIBWRAP_H_
+
+#include "core.h"
+#include "cuda.h"
+
+typedef struct nvmlDevice_st* nvmlDevice_t;
+
+ncclResult_t wrapSymbols(void);
+
+ncclResult_t wrapNvmlInit(void);
+ncclResult_t wrapNvmlShutdown(void);
+ncclResult_t wrapNvmlDeviceGetHandleByPciBusId(const char* pciBusId, nvmlDevice_t* device);
+ncclResult_t wrapNvmlDeviceGetIndex(nvmlDevice_t device, unsigned* index);
+ncclResult_t wrapNvmlDeviceSetCpuAffinity(nvmlDevice_t device);
+ncclResult_t wrapNvmlDeviceClearCpuAffinity(nvmlDevice_t device);
+
+ncclResult_t wrapCuIpcGetMemHandle(CUipcMemHandle* pHandle, CUdeviceptr dptr);
+ncclResult_t wrapCuIpcOpenMemHandle(CUdeviceptr* pdptr, CUipcMemHandle handle, unsigned int  Flags);
+ncclResult_t wrapCuIpcCloseMemHandle(CUdeviceptr dptr);
+
+#endif // End include guard
+