27 lines
910 B
Bash
Executable File
27 lines
910 B
Bash
Executable File
#!/bin/bash
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# Following the guidelines from B200/GB200 bringup to use mknod(2) to create IMEX channels
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# This is admin level operation
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find_major_number=$(cat /proc/devices | grep nvidia-caps-imex-channels | wc -l)
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if [[ $find_major_number -eq 0 ]];
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then
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echo "No nvidia-caps-imex-channels device found. Exiting..."
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exit 1
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fi
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# /dev/nvidia-caps-imex-channels dir should be present before create a char dev under it.
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IMEX_DIRECTORY="/dev/nvidia-caps-imex-channels"
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if [ ! -d "$IMEX_DIRECTORY" ]; then
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mkdir -p "$IMEX_DIRECTORY" || { echo "Failed to create directory $IMEX_DIRECTORY"; exit 1; }
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fi
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major_number=$(cat /proc/devices | grep nvidia-caps-imex-channels | cut -d' ' -f1)
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create_cmd="sudo mknod /dev/nvidia-caps-imex-channels/channel0 c $major_number 0"
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eval $create_cmd
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exit_status=$?
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if [[ $exit_status -ne 0 ]];
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then
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echo "Unable to create IMEX channel0. StatusCode = $exit_status"
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exit 1
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fi
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