mirror of
https://github.com/corundum/corundum.git
synced 2025-01-16 08:12:53 +08:00
46 lines
820 B
Bash
Executable File
46 lines
820 B
Bash
Executable File
#!/bin/bash
|
|
|
|
dev=$1
|
|
|
|
if [ -z "$dev" ]; then
|
|
echo "Error: no device specified"
|
|
exit 1
|
|
fi
|
|
|
|
if [ ! -e "/sys/bus/pci/devices/$dev" ]; then
|
|
dev="0000:$dev"
|
|
fi
|
|
|
|
if [ ! -e "/sys/bus/pci/devices/$dev" ]; then
|
|
echo "Error: device $dev not found"
|
|
exit 1
|
|
fi
|
|
|
|
port=$(basename $(dirname $(readlink "/sys/bus/pci/devices/$dev")))
|
|
|
|
if [ ! -e "/sys/bus/pci/devices/$port" ]; then
|
|
echo "Error: device $port not found"
|
|
exit 1
|
|
fi
|
|
|
|
echo "Removing $dev..."
|
|
|
|
echo 1 > "/sys/bus/pci/devices/$dev/remove"
|
|
|
|
echo "Performing hot reset of port $port..."
|
|
|
|
bc=$(setpci -s $port BRIDGE_CONTROL)
|
|
|
|
echo "Bridge control:" $bc
|
|
|
|
setpci -s $port BRIDGE_CONTROL=$(printf "%04x" $(("0x$bc" | 0x40)))
|
|
sleep 0.01
|
|
setpci -s $port BRIDGE_CONTROL=$bc
|
|
sleep 0.5
|
|
|
|
echo "Rescanning bus..."
|
|
|
|
echo 1 > "/sys/bus/pci/devices/$port/rescan"
|
|
|
|
|