60 lines
1.1 KiB
Bash
Executable File
60 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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dev=$1
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if [ -z "$dev" ]; then
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echo "Error: no device specified"
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exit 1
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fi
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if [ ! -e "/sys/bus/pci/devices/$dev" ]; then
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dev="0000:$dev"
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fi
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if [ ! -e "/sys/bus/pci/devices/$dev" ]; then
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echo "Error: device $dev not found"
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exit 1
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fi
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port=$(basename $(dirname $(readlink "/sys/bus/pci/devices/$dev")))
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if [ ! -e "/sys/bus/pci/devices/$port" ]; then
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echo "Error: device $port not found"
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exit 1
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fi
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echo "Removing $dev..."
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echo 1 > "/sys/bus/pci/devices/$dev/remove"
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echo "Performing hot reset of port $port..."
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bc=$(setpci -s $port BRIDGE_CONTROL)
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echo "Bridge control:" $bc
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setpci -s $port BRIDGE_CONTROL=$(printf "%04x" $(("0x$bc" | 0x40)))
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sleep 0.01
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setpci -s $port BRIDGE_CONTROL=$bc
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sleep 0.5
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echo "Rescanning bus..."
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echo 1 > "/sys/bus/pci/devices/$port/rescan"
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sleep 5
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if [ ! -e "/sys/bus/pci/devices/$dev" ]; then
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echo "First try was not successful. Starting stand-by."
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rtcwake -u -s 5 -m mem
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echo 1 > "/sys/bus/pci/devices/$port/rescan"
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sleep 5
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fi
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if [ ! -e "/sys/bus/pci/devices/$dev" ]; then
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echo "We were not successful"
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exit 1
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else
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echo "Happy gaming"
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fi
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