def getDeviceDetails(self, config):
"""@see DevController.getDeviceDetails"""
def get_param(field):
try:
val = config.get(field)
if not val:
raise VmError('irq: Missing %s config setting' % field)
if isinstance(val, types.StringType):
return int(val, 10)
radix = 10
else:
return val
except:
raise VmError('irq: Invalid config setting %s: %s' %
(field, val))
pirq = get_param('irq')
rc = xc.domain_irq_permission(domid=self.getDomid(),
pirq=pirq,
allow_access=True)
if rc < 0:
#todo non-fatal
raise VmError('irq: Failed to configure irq: %d' % (pirq))
rc = xc.physdev_map_pirq(domid=self.getDomid(), index=pirq, pirq=pirq)
if rc < 0:
raise VmError('irq: Failed to map irq %x' % (pirq))
back = dict([(k, config[k]) for k in self.valid_cfg if k in config])
return (self.allocateDeviceID(), back, {})
def getDeviceDetails(self, config):
"""@see DevController.getDeviceDetails"""
def get_param(field):
try:
val = config.get(field)
if not val:
raise VmError('irq: Missing %s config setting' % field)
if isinstance(val, types.StringType):
return int(val,10)
radix = 10
else:
return val
except:
raise VmError('irq: Invalid config setting %s: %s' %
(field, val))
pirq = get_param('irq')
rc = xc.domain_irq_permission(domid = self.getDomid(),
pirq = pirq,
allow_access = True)
if rc < 0:
#todo non-fatal
raise VmError(
'irq: Failed to configure irq: %d' % (pirq))
rc = xc.physdev_map_pirq(domid = self.getDomid(),
index = pirq,
pirq = pirq)
if rc < 0:
raise VmError(
'irq: Failed to map irq %x' % (pirq))
back = dict([(k, config[k]) for k in self.valid_cfg if k in config])
return (self.allocateDeviceID(), back, {})
# Round number of pages up to nearest page boundary (if not on one)
nr_pfns = (size+(PAGE_SIZE-1))>>PAGE_SHIFT
log.debug('pci: enabling iomem 0x%x/0x%x pfn 0x%x/0x%x'% \
(start,size,start_pfn,nr_pfns))
rc = xc.domain_iomem_permission(domid = fe_domid,
first_pfn = start_pfn,
nr_pfns = nr_pfns,
allow_access = True)
if rc<0:
raise VmError(('pci: failed to configure I/O memory on device '+
'%s - errno=%d')%(dev.name,rc))
if dev.irq > 0:
rc = xc.physdev_map_pirq(domid = fe_domid,
index = dev.irq,
pirq = dev.irq)
if rc < 0:
raise VmError(('pci: failed to map irq on device '+
'%s - errno=%d')%(dev.name,rc))
if dev.irq>0:
log.debug('pci: enabling irq %d'%dev.irq)
rc = xc.domain_irq_permission(domid = fe_domid, pirq = dev.irq,
allow_access = True)
if rc<0:
raise VmError(('pci: failed to configure irq on device '+
'%s - errno=%d')%(dev.name,rc))
def dev_check_assignability_and_do_FLR(self, config):
pci_dev_list = config.get('devs', [])
pci_str_list = map(pci_dict_to_bdf_str, pci_dev_list)
nr_pfns = (size + (PAGE_SIZE - 1)) >> PAGE_SHIFT
log.debug('pci: enabling iomem 0x%x/0x%x pfn 0x%x/0x%x'% \
(start,size,start_pfn,nr_pfns))
rc = xc.domain_iomem_permission(domid=fe_domid,
first_pfn=start_pfn,
nr_pfns=nr_pfns,
allow_access=True)
if rc < 0:
raise VmError(
('pci: failed to configure I/O memory on device ' +
'%s - errno=%d') % (dev.name, rc))
if dev.irq > 0:
rc = xc.physdev_map_pirq(domid=fe_domid,
index=dev.irq,
pirq=dev.irq)
if rc < 0:
raise VmError(
('pci: failed to map irq on device ' + '%s - errno=%d') %
(dev.name, rc))
if dev.irq > 0:
log.debug('pci: enabling irq %d' % dev.irq)
rc = xc.domain_irq_permission(domid=fe_domid,
pirq=dev.irq,
allow_access=True)
if rc < 0:
raise VmError(('pci: failed to configure irq on device ' +
'%s - errno=%d') % (dev.name, rc))
def dev_check_assignability_and_do_FLR(self, config):
