On Fri, 6 Nov 2009, Cui, Dexuan wrote:
> Hi Stefano, can you reproduce the issues I meet with?
>
this patch fixes the problem for me, does it work for you too?
---
diff -r 1cc49eb917bc tools/python/xen/xend/XendDomainInfo.py
--- a/tools/python/xen/xend/XendDomainInfo.py Thu Nov 05 18:02:28 2009 +0000
+++ b/tools/python/xen/xend/XendDomainInfo.py Thu Nov 05 18:05:55 2009 +0000
@@ -921,7 +921,6 @@
existing_pci_conf = self.info['devices'][existing_dev_uuid][1]
devid = self._createDevice('pci', existing_pci_conf)
self.info['devices'][existing_dev_uuid][1]['devid'] = devid
- return True
if self.domid is not None:
# use DevController.reconfigureDevice to change device config
diff -r 1cc49eb917bc tools/python/xen/xend/server/pciif.py
--- a/tools/python/xen/xend/server/pciif.py Thu Nov 05 18:02:28 2009 +0000
+++ b/tools/python/xen/xend/server/pciif.py Thu Nov 05 18:05:55 2009 +0000
@@ -306,7 +306,7 @@
if dev.driver == 'pciback':
PCIQuirk(dev)
- if not self.vm.info.is_hvm() and not self.vm.info.is_stubdom() :
+ if 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)
@@ -443,16 +443,8 @@
#
# For hvm guest, (from c/s 19679 on) assigning device statically and
# dynamically both go through reconfigureDevice(), so HERE the
- # setupOneDevice() is not necessary.
- if self.vm.info.is_hvm():
- for pci_dev in pci_dev_list:
- # Setup IOMMU device assignment
- bdf = xc.assign_device(self.getDomid(),
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)
- else :
+ # setupOneDevice() or calling xc.assign_device is not necessary.
+ if not self.vm.info.is_hvm():
for d in pci_dev_list:
self.setupOneDevice(d)
wPath = '/local/domain/0/backend/pci/%u/0/aerState' % (self.getDomid())
@@ -492,11 +484,12 @@
dev.do_FLR(self.vm.info.is_hvm(),
xoptions.get_pci_dev_assign_strict_check())
- bdf = xc.deassign_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 deassign device from IOMMU (%s)" %
pci_str)
- log.debug("pci: Deassign device %s" % pci_str)
+ if not self.vm.info.is_stubdom() :
+ bdf = xc.deassign_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 deassign device from IOMMU (%s)" %
pci_str)
+ log.debug("pci: Deassign device %s" % pci_str)
for (start, size) in dev.ioports:
log.debug('pci: disabling ioport 0x%x/0x%x'%(start,size))
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