[Xen-devel] [patch] xend: passthrough: report attach errors from device model

[Simon Horman <horms@xxxxxxxxxxxx>]

Cc: Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx>
Cc: Edwin Zhai <edwin.zhai@xxxxxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>

Index: xen-unstable.hg/tools/python/xen/xend/XendDomainInfo.py
===================================================================
--- xen-unstable.hg.orig/tools/python/xen/xend/XendDomainInfo.py        
2009-06-01 11:57:04.000000000 +1000
+++ xen-unstable.hg/tools/python/xen/xend/XendDomainInfo.py     2009-06-01 
12:37:05.000000000 +1000
@@ -755,6 +755,14 @@ class XendDomainInfo:
 
             vslot = xstransact.Read("/local/domain/0/device-model/%i/parameter"
                                     % self.getDomid())
+           try:
+               vslot_int = int(vslot, 16)
+           except ValueError:
+               raise VmError(("Cannot pass-through PCI function '%s'. " +
+                              "Device model reported an error: %s") %
+                             (bdf_str, vslot))
+            log.debug("XendDomainInfo.hvm_pci_device_insert_dev: vslot: %s"
+                      % vslot)
         else:
             vslot = new_dev['requested_vslot']
 

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