From c22f60e6e55f1bf300dd76d2222a93911f3b2bb2 Mon Sep 17 00:00:00 2001
From: CoprDistGit <infra@openeuler.org>
Date: Thu, 12 Oct 2023 04:00:49 +0000
Subject: automatic import of xen

---
 init.pciback | 119 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 init.pciback

(limited to 'init.pciback')

diff --git a/init.pciback b/init.pciback
new file mode 100644
index 0000000..db0d79d
--- /dev/null
+++ b/init.pciback
@@ -0,0 +1,119 @@
+#!/bin/bash
+#
+# Copyright (c) 2014 SUSE GmbH Nuernberg, Germany.  All rights reserved.
+#
+# /etc/init.d/pciback
+#
+### BEGIN INIT INFO
+# Provides:          pciback
+# Required-Start:    $syslog $network
+# Should-Start:      $null
+# Required-Stop:     $syslog $network
+# Should-Stop:       $null
+# Default-Start:     3 5
+# Default-Stop:      0 1 2 6
+# Description:       bind PCI devices to pciback
+### END INIT INFO
+
+. /etc/rc.status
+. /etc/sysconfig/pciback
+
+rc_reset
+
+load_pciback() {
+  if ! lsmod | grep -qi "pciback"
+  then
+    echo "Loading pciback ..."
+    modprobe pciback
+  fi
+}
+
+unload_pciback() {
+  if lsmod | grep -qi "pciback"
+  then
+    echo "Unloading pciback ..."
+    modprobe -r pciback
+  fi
+}
+
+bind_dev_to_pciback() {
+  for DEVICE in ${XEN_PCI_HIDE_LIST}
+  do
+    local DRV=`echo ${DEVICE} | /usr/bin/cut -d "," -f 1`
+    local PCIID=`echo ${DEVICE} | /usr/bin/cut -d "," -f 2`
+
+    if ! ls /sys/bus/pci/drivers/pciback/${PCIID} > /dev/null 2>&1
+    then
+      echo "Binding ${PCIID} ..."
+      if ls /sys/bus/pci/drivers/${DRV}/${PCIID} > /dev/null 2>&1
+      then
+        echo -n ${PCIID} > /sys/bus/pci/drivers/${DRV}/unbind
+      fi
+      echo -n ${PCIID} > /sys/bus/pci/drivers/pciback/new_slot
+      echo -n ${PCIID} > /sys/bus/pci/drivers/pciback/bind
+    fi
+  done
+}
+
+unbind_dev_from_pciback() {
+  for DEVICE in ${XEN_PCI_HIDE_LIST}
+  do
+    local DRV=`echo ${DEVICE} | /usr/bin/cut -d "," -f 1`
+    local PCIID=`echo ${DEVICE} | /usr/bin/cut -d "," -f 2`
+
+    if ls /sys/bus/pci/drivers/pciback/${PCIID} > /dev/null
+    then
+      echo "Unbinding ${PCIID} ..."
+      echo -n ${PCIID} > /sys/bus/pci/drivers/pciback/unbind
+    fi
+  done
+}
+
+test "uname -r" | grep xen && exit 0
+
+case $1 in
+  start)
+    echo "Starting pciback ..."
+    echo 
+    load_pciback
+    bind_dev_to_pciback
+
+    rc_status -v -r
+  ;;
+  stop)
+    echo "Stopping pciback ..."
+    echo 
+    unbind_dev_from_pciback
+    unload_pciback
+
+    rc_status -v
+  ;;
+  reload|restart)
+    echo "Stopping pciback ..."
+    echo 
+    unbind_dev_from_pciback
+    unload_pciback
+    echo "Starting pciback ..."
+    echo 
+    load_pciback
+    bind_dev_to_pciback
+  ;;
+  status)
+    if lsmod | grep -qi pciback
+    then
+      echo
+      echo "pciback:  loaded"
+      echo
+      echo "Currently bound devices ..."
+      echo "-----------------------------"
+      ls /sys/bus/pci/drivers/pciback | grep ^0000
+      echo
+    else
+      echo "pciback:  not loaded"
+    fi
+  ;;
+  *)
+    echo "Usage: $0 [start|stop|restart|reload|status]"
+    exit 1
+  ;;
+esac
-- 
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