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Attach/detach pci devices from netvm upon resume/suspend

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This commit is contained in:
Rafal Wojtczuk 2010-09-30 18:22:26 +02:00
parent a4585f1369
commit 28fbb48845
2 changed files with 50 additions and 0 deletions
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48
dom0/pm-utils/01qubes-swap-pci-devs Executable file
View File

@ -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

2
rpm_spec/core-dom0.spec
View File

@ -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