Support P2P with invisible devices (#636)

* Support P2P with invisible devices

* Update copyright year

src/include/rocm_smi_wrap.h

@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2021 Advanced Micro Devices, Inc. All rights reserved.
+Copyright (c) 2021-2022 Advanced Micro Devices, Inc. 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
@@ -30,6 +30,8 @@ THE SOFTWARE.
 #include "nccl.h"
 
 ncclResult_t rocm_smi_init();
+ncclResult_t rocm_smi_getNumDevice(uint32_t* num_devs);
+ncclResult_t rocm_smi_getDevicePciBusIdString(uint32_t deviceIndex, char* pciBusId, size_t len);
 ncclResult_t rocm_smi_getDeviceIndexByPciBusId(const char* pciBusId, uint32_t* deviceIndex);
 ncclResult_t rocm_smi_getLinkInfo(int srcDev, int dstDev, RSMI_IO_LINK_TYPE* rsmi_type, int *hops, int *count);