def setupDevice(self, config):
"""Setup devices from config
"""
pci_dev_list = config.get('devs', [])
pci_str_list = map(pci_dict_to_bdf_str, pci_dev_list)
if len(pci_str_list) != len(set(pci_str_list)):
raise VmError('pci: duplicate devices specified in guest config?')
for pci_dev in pci_dev_list:
try:
dev = PciDevice(pci_dev)
except Exception, e:
raise VmError("pci: failed to locate device and "+
"parse it's resources - "+str(e))
if (dev.dev_type == DEV_TYPE_PCIe_ENDPOINT) and not dev.pcie_flr:
if dev.bus == 0:
# We cope with this case by using the Dstate transition
# method or some vendor specific methods for now.
err_msg = 'pci: %s: it is on bus 0, but has no PCIe' +\
' FLR Capability. Will try the Dstate transition'+\
' method or some vendor specific methods if available.'
log.warn(err_msg % dev.name)
else:
funcs = dev.find_all_the_multi_functions()
dev.devs_check_driver(funcs)
for f in funcs:
if not f in pci_str_list:
(f_dom, f_bus, f_slot, f_func) = parse_pci_name(f)
f_pci_str = '0x%x,0x%x,0x%x,0x%x' % \
(f_dom, f_bus, f_slot, f_func)
# f has been assigned to other guest?
if xc.test_assign_device(0, f_pci_str) != 0:
err_msg = 'pci: %s must be co-assigned to' + \
' the same guest with %s'
raise VmError(err_msg % (f, dev.name))
elif dev.dev_type == DEV_TYPE_PCI:
if dev.bus == 0 or arch.type == "ia64":
if not dev.pci_af_flr:
# We cope with this case by using the Dstate transition
# method or some vendor specific methods for now.
err_msg = 'pci: %s: it is on bus 0, but has no PCI' +\
' Advanced Capabilities for FLR. Will try the'+\
' Dstate transition method or some vendor' +\
' specific methods if available.'
log.warn(err_msg % dev.name)
else:
# All devices behind the uppermost PCI/PCI-X bridge must be\
# co-assigned to the same guest.
devs_str = dev.find_coassigned_pci_devices(True)
# Remove the element 0 which is a bridge
del devs_str[0]
dev.devs_check_driver(devs_str)
for s in devs_str:
if not s in pci_str_list:
s_pci_str = pci_dict_to_bdf_str(parse_pci_name(s))
# s has been assigned to other guest?
if xc.test_assign_device(0, s_pci_str) != 0:
err_msg = 'pci: %s must be co-assigned to the'+\
' same guest with %s'
raise VmError(err_msg % (s, dev.name))
def setupDevice(self, config):
"""Setup devices from config
"""
pci_str_list = []
pci_dev_list = []
for pci_config in config.get('devs', []):
domain = parse_hex(pci_config.get('domain', 0))
bus = parse_hex(pci_config.get('bus', 0))
slot = parse_hex(pci_config.get('slot', 0))
func = parse_hex(pci_config.get('func', 0))
pci_str = '%04x:%02x:%02x.%01x' % (domain, bus, slot, func)
pci_str_list = pci_str_list + [pci_str]
pci_dev_list = pci_dev_list + [(domain, bus, slot, func)]
for (domain, bus, slot, func) in pci_dev_list:
try:
dev = PciDevice(domain, bus, slot, func)
except Exception, e:
raise VmError("pci: failed to locate device and "+
"parse it's resources - "+str(e))
if (dev.dev_type == DEV_TYPE_PCIe_ENDPOINT) and not dev.pcie_flr:
if dev.bus == 0:
# We cope with this case by using the Dstate transition
# method or some vendor specific methods for now.
err_msg = 'pci: %s: it is on bus 0, but has no PCIe' +\
' FLR Capability. Will try the Dstate transition'+\
' method or some vendor specific methods if available.'
log.warn(err_msg % dev.name)
else:
funcs = dev.find_all_the_multi_functions()
for f in funcs:
if not f in pci_str_list:
(f_dom, f_bus, f_slot, f_func) = parse_pci_name(f)
f_pci_str = '0x%x,0x%x,0x%x,0x%x' % \
(f_dom, f_bus, f_slot, f_func)
# f has been assigned to other guest?
if xc.test_assign_device(0, f_pci_str) != 0:
err_msg = 'pci: %s must be co-assigned to' + \
' the same guest with %s'
raise VmError(err_msg % (f, dev.name))
elif dev.dev_type == DEV_TYPE_PCI:
if dev.bus == 0 or arch.type == "ia64":
if not dev.pci_af_flr:
# We cope with this case by using the Dstate transition
# method or some vendor specific methods for now.
err_msg = 'pci: %s: it is on bus 0, but has no PCI' +\
' Advanced Capabilities for FLR. Will try the'+\
' Dstate transition method or some vendor' +\
' specific methods if available.'
log.warn(err_msg % dev.name)
else:
# All devices behind the uppermost PCI/PCI-X bridge must be\
# co-assigned to the same guest.
devs_str = dev.find_coassigned_devices(True)
# Remove the element 0 which is a bridge
del devs_str[0]
for s in devs_str:
if not s in pci_str_list:
(s_dom, s_bus, s_slot, s_func) = parse_pci_name(s)
s_pci_str = '0x%x,0x%x,0x%x,0x%x' % \
(s_dom, s_bus, s_slot, s_func)
# s has been assigned to other guest?
if xc.test_assign_device(0, s_pci_str) != 0:
err_msg = 'pci: %s must be co-assigned to the'+\
' same guest with %s'
raise VmError(err_msg % (s, dev.name))
def setupDevice(self, config):
"""Setup devices from config
"""
pci_str_list = []
pci_dev_list = []
for pci_config in config.get('devs', []):
domain = parse_hex(pci_config.get('domain', 0))
bus = parse_hex(pci_config.get('bus', 0))
slot = parse_hex(pci_config.get('slot', 0))
func = parse_hex(pci_config.get('func', 0))
pci_str = '%04x:%02x:%02x.%01x' % (domain, bus, slot, func)
pci_str_list = pci_str_list + [pci_str]
pci_dev_list = pci_dev_list + [(domain, bus, slot, func)]
for (domain, bus, slot, func) in pci_dev_list:
try:
dev = PciDevice(domain, bus, slot, func)
except Exception, e:
raise VmError("pci: failed to locate device and " +
"parse it's resources - " + str(e))
if (dev.dev_type == DEV_TYPE_PCIe_ENDPOINT) and not dev.pcie_flr:
if dev.bus == 0:
# We cope with this case by using the Dstate transition
# method or some vendor specific methods for now.
err_msg = 'pci: %s: it is on bus 0, but has no PCIe' +\
' FLR Capability. Will try the Dstate transition'+\
' method or some vendor specific methods if available.'
log.warn(err_msg % dev.name)
else:
funcs = dev.find_all_the_multi_functions()
for f in funcs:
if not f in pci_str_list:
(f_dom, f_bus, f_slot, f_func) = parse_pci_name(f)
f_pci_str = '0x%x,0x%x,0x%x,0x%x' % \
(f_dom, f_bus, f_slot, f_func)
# f has been assigned to other guest?
if xc.test_assign_device(0, f_pci_str) != 0:
err_msg = 'pci: %s must be co-assigned to' + \
' the same guest with %s'
raise VmError(err_msg % (f, dev.name))
elif dev.dev_type == DEV_TYPE_PCI:
if dev.bus == 0 or arch.type == "ia64":
if not dev.pci_af_flr:
# We cope with this case by using the Dstate transition
# method or some vendor specific methods for now.
err_msg = 'pci: %s: it is on bus 0, but has no PCI' +\
' Advanced Capabilities for FLR. Will try the'+\
' Dstate transition method or some vendor' +\
' specific methods if available.'
log.warn(err_msg % dev.name)
else:
# All devices behind the uppermost PCI/PCI-X bridge must be\
# co-assigned to the same guest.
devs_str = dev.find_coassigned_devices(True)
# Remove the element 0 which is a bridge
del devs_str[0]
for s in devs_str:
if not s in pci_str_list:
(s_dom, s_bus, s_slot, s_func) = parse_pci_name(s)
s_pci_str = '0x%x,0x%x,0x%x,0x%x' % \
(s_dom, s_bus, s_slot, s_func)
# s has been assigned to other guest?
if xc.test_assign_device(0, s_pci_str) != 0:
err_msg = 'pci: %s must be co-assigned to the'+\
' same guest with %s'
raise VmError(err_msg % (s, dev.name))
