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libhermit/usr/rdma-core/Documentation/libibcm.md
Annika Wierichs 6b8e960813 Switch from libibverbs to rdma-core lib
2017-10-06 15:13:04 +02:00

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Device files

The userspace CM uses a device file per adapter present.

To create the appropriate character device file automatically with udev, a rule like

KERNEL="ucm*", NAME="infiniband/%k", MODE="0666"

can be used. This will create the device node named

/dev/infiniband/ucm0

for the first HCA in the system, or you can create it manually

mknod /dev/infiniband/ucm0 c 231 224