except Exception, e:
raise VmError("pci: failed to locate device and "+
"parse its resources - "+str(e))
if dev.driver!='pciback' and dev.driver!='pci-stub':
raise VmError(("pci: PCI Backend and pci-stub don't own "+ \
"device %s") %(dev.name))
self.CheckSiblingDevices(fe_domid, dev)
if dev.driver == 'pciback':
PCIQuirk(dev)
if not self.vm.info.is_hvm() and not self.vm.info.is_stubdom() :
# Setup IOMMU device assignment
bdf = xc.assign_device(fe_domid, pci_dict_to_xc_str(pci_dev))
pci_str = pci_dict_to_bdf_str(pci_dev)
if bdf > 0:
raise VmError("Failed to assign device to IOMMU (%s)" % pci_str)
log.debug("pci: assign device %s" % pci_str)
for (start, size) in dev.ioports:
log.debug('pci: enabling ioport 0x%x/0x%x'%(start,size))
rc = xc.domain_ioport_permission(domid = fe_domid, first_port = start,
nr_ports = size, allow_access = True)
if rc<0:
raise VmError(('pci: failed to configure I/O ports on device '+
'%s - errno=%d')%(dev.name,rc))
for (start, size) in dev.iomem:
# Convert start/size from bytes to page frame sizes
self.CheckSiblingDevices(fe_domid, dev)
# We don't do FLR when we create domain and hotplug device into guest,
# namely, we only do FLR when we destroy domain or hotplug device from
# guest. This is mainly to work around the race condition in hotplug code
# paths. See the changeset's description for details.
# if arch.type != "ia64":
# dev.do_FLR()
PCIQuirk(dev.vendor, dev.device, dev.subvendor, dev.subdevice, domain,
bus, slot, func)
if not self.vm.info.is_hvm():
# Setup IOMMU device assignment
pci_str = "0x%x, 0x%x, 0x%x, 0x%x" % (domain, bus, slot, func)
bdf = xc.assign_device(fe_domid, pci_str)
if bdf > 0:
raise VmError("Failed to assign device to IOMMU (%x:%x.%x)"
% (bus, slot, func))
log.debug("pci: assign device %x:%x.%x" % (bus, slot, func))
for (start, size) in dev.ioports:
log.debug('pci: enabling ioport 0x%x/0x%x'%(start,size))
rc = xc.domain_ioport_permission(domid = fe_domid, first_port = start,
nr_ports = size, allow_access = True)
if rc<0:
raise VmError(('pci: failed to configure I/O ports on device '+
'%s - errno=%d')%(dev.name,rc))
for (start, size) in dev.iomem:
# Convert start/size from bytes to page frame sizes
except Exception, e:
raise VmError("pci: failed to locate device and " +
"parse its resources - " + str(e))
if dev.driver != 'pciback' and dev.driver != 'pci-stub':
raise VmError(("pci: PCI Backend and pci-stub don't own "+ \
"device %s") %(dev.name))
self.CheckSiblingDevices(fe_domid, dev)
if dev.driver == 'pciback':
PCIQuirk(dev)
if not self.vm.info.is_hvm() and not self.vm.info.is_stubdom():
# Setup IOMMU device assignment
bdf = xc.assign_device(fe_domid, pci_dict_to_xc_str(pci_dev))
pci_str = pci_dict_to_bdf_str(pci_dev)
if bdf > 0:
raise VmError("Failed to assign device to IOMMU (%s)" %
pci_str)
log.debug("pci: assign device %s" % pci_str)
for (start, size) in dev.ioports:
log.debug('pci: enabling ioport 0x%x/0x%x' % (start, size))
rc = xc.domain_ioport_permission(domid=fe_domid,
first_port=start,
nr_ports=size,
allow_access=True)
if rc < 0:
raise VmError(
('pci: failed to configure I/O ports on device ' +
self.CheckSiblingDevices(fe_domid, dev)
# We don't do FLR when we create domain and hotplug device into guest,
# namely, we only do FLR when we destroy domain or hotplug device from
# guest. This is mainly to work around the race condition in hotplug code
# paths. See the changeset's description for details.
# if arch.type != "ia64":
# dev.do_FLR()
PCIQuirk(dev.vendor, dev.device, dev.subvendor, dev.subdevice, domain,
bus, slot, func)
if not self.vm.info.is_hvm():
# Setup IOMMU device assignment
pci_str = "0x%x, 0x%x, 0x%x, 0x%x" % (domain, bus, slot, func)
bdf = xc.assign_device(fe_domid, pci_str)
if bdf > 0:
raise VmError("Failed to assign device to IOMMU (%x:%x.%x)" %
(bus, slot, func))
log.debug("pci: assign device %x:%x.%x" % (bus, slot, func))
for (start, size) in dev.ioports:
log.debug('pci: enabling ioport 0x%x/0x%x' % (start, size))
rc = xc.domain_ioport_permission(domid=fe_domid,
first_port=start,
nr_ports=size,
allow_access=True)
if rc < 0:
raise VmError(
('pci: failed to configure I/O ports on device ' +
'%s - errno=%d') % (dev.name, rc))
