Attach/detach pci devices from netvm upon resume/suspend

dom0/pm-utils/01qubes-swap-pci-devs

@@ -0,0 +1,48 @@
+#!/bin/sh
+
+. "${PM_FUNCTIONS}"
+
+get_domain_pci_devs()
+{
+	VM=$1
+	TMPFILE=$(mktemp -p /var/run/qubes/)
+	xm pci-list $VM > $TMPFILE
+	if grep -i -q vslt $TMPFILE ; then 
+		slt=valid_identifier
+	else
+		slt=""
+	fi
+	cat $TMPFILE | grep -v domain | sed 's/0x//g'| \
+		while read $slt a b c d; do echo $a:$b:$c.$d ; done > /var/run/qubes/$VM.pcidevs
+	rm -f $TMPFILE
+}
+
+detach_pcis()
+{
+	NETVM=$(qvm-get-default-netvm)
+	if [ "X"$NETVM = "X""dom0" -o "X"$NETVM = "X" -o "X"$NETVM = "X""none"] ; then
+		exit 0
+	fi
+	get_domain_pci_devs $NETVM
+	for dev in $(cat /var/run/qubes/$NETVM.pcidevs) ; do
+		xm pci-detach $NETVM $dev
+	done
+}
+
+attach_pcis()
+{
+	NETVM=$(qvm-get-default-netvm)
+	if [ "X"$NETVM = "X""dom0" -o "X"$NETVM = "X" -o "X"$NETVM = "X""none"] ; then
+		exit 0
+	fi
+	for dev in $(cat /var/run/qubes/$NETVM.pcidevs) ; do
+		xm pci-attach $NETVM $dev
+	done
+}
+
+ 
+case "$1" in
+        resume) attach_pcis ;;
+        suspend) detach_pcis ;;
+        *) exit 0 ;;
+esac

rpm_spec/core-dom0.spec

@@ -115,6 +115,7 @@ cp ../common/iptables $RPM_BUILD_ROOT/etc/sysconfig
 
 mkdir -p $RPM_BUILD_ROOT/usr/lib64/pm-utils/sleep.d
 cp pm-utils/01qubes-sync-vms-clock $RPM_BUILD_ROOT/usr/lib64/pm-utils/sleep.d/
+cp pm-utils/01qubes-swap-pci-devs $RPM_BUILD_ROOT/usr/lib64/pm-utils/sleep.d/
 cp pm-utils/02qubes-pause-vms $RPM_BUILD_ROOT/usr/lib64/pm-utils/sleep.d/
 
 %triggerin -- xen-runtime
@@ -234,6 +235,7 @@ fi
 /etc/NetworkManager/dispatcher.d/qubes_nmhook
 /etc/sysconfig/iptables
 /usr/lib64/pm-utils/sleep.d/01qubes-sync-vms-clock
+/usr/lib64/pm-utils/sleep.d/01qubes-swap-pci-devs
 /usr/lib64/pm-utils/sleep.d/02qubes-pause-vms
 /usr/bin/xenstore-watch
 /usr/bin/qvm-create-default-dvm