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add pci multifunction unbind support

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we need to unbind each functions of a multifunction pci device

Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
This commit is contained in:
Alexandre Derumier 2014-06-23 17:41:55 +02:00 committed by Dietmar Maurer
parent 4543ecf07f
commit b1f72af6d4
1 changed files with 14 additions and 9 deletions
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23
PVE/QemuServer.pm
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@ -3306,17 +3306,22 @@ sub vm_start {
for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
my $d = parse_hostpci($conf->{"hostpci$i"});
next if !$d;
my $info = pci_device_info("0000:$d->{pciid}");
die "IOMMU not present\n" if !check_iommu_support();
die "no pci device info for device '$d->{pciid}'\n" if !$info;
my $pcidevices = $d->{pciid};
foreach my $pcidevice (@$pcidevices) {
my $pciid = $pcidevice->{id}.".".$pcidevice->{function};
if ($d->{driver} && $d->{driver} eq "vfio") {
die "can't unbind/bind pci group to vfio '$d->{pciid}'\n" if !pci_dev_group_bind_to_vfio($d->{pciid});
} else {
die "can't unbind/bind to stub pci device '$d->{pciid}'\n" if !pci_dev_bind_to_stub($info);
}
my $info = pci_device_info("0000:$pciid");
die "IOMMU not present\n" if !check_iommu_support();
die "no pci device info for device '$pciid'\n" if !$info;
die "can't reset pci device '$d->{pciid}'\n" if !pci_dev_reset($info);
if ($d->{driver} && $d->{driver} eq "vfio") {
die "can't unbind/bind pci group to vfio '$pciid'\n" if !pci_dev_group_bind_to_vfio($pciid);
} else {
die "can't unbind/bind to stub pci device '$pciid'\n" if !pci_dev_bind_to_stub($info);
}
die "can't reset pci device '$pciid'\n" if !pci_dev_reset($info);
}
}
PVE::Storage::activate_volumes($storecfg, $vollist);