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Re: [libvirt] [Qemu-devel] [PATCH v2 1/2] add pci-bridge controller type



在 2013-01-07一的 22:38 -0600,Doug Goldstein写道:
> On Mon, Jan 7, 2013 at 7:58 PM, liguang <lig fnst cn fujitsu com> wrote:
> > Signed-off-by: liguang <lig fnst cn fujitsu com>
> > ---
> >  src/conf/device_conf.c |   12 +++++++++++-
> >  src/conf/device_conf.h |    1 +
> >  src/conf/domain_conf.c |    5 ++++-
> >  src/conf/domain_conf.h |    1 +
> >  4 files changed, 17 insertions(+), 2 deletions(-)
> >
> > diff --git a/src/conf/device_conf.c b/src/conf/device_conf.c
> > index 7b97f45..1c06ed0 100644
> > --- a/src/conf/device_conf.c
> > +++ b/src/conf/device_conf.c
> > @@ -51,16 +51,18 @@ int
> >  virDevicePCIAddressParseXML(xmlNodePtr node,
> >                              virDevicePCIAddressPtr addr)
> >  {
> > -    char *domain, *slot, *bus, *function, *multi;
> > +    char *domain, *slot, *bus, *function, *multi, *bridge;
> >      int ret = -1;
> >
> >      memset(addr, 0, sizeof(*addr));
> > +    addr->bridge = -1;
> >
> >      domain   = virXMLPropString(node, "domain");
> >      bus      = virXMLPropString(node, "bus");
> >      slot     = virXMLPropString(node, "slot");
> >      function = virXMLPropString(node, "function");
> >      multi    = virXMLPropString(node, "multifunction");
> > +    bridge   = virXMLPropString(node, "bridge");
> >
> >      if (domain &&
> >          virStrToLong_ui(domain, NULL, 0, &addr->domain) < 0) {
> > @@ -98,6 +100,14 @@ virDevicePCIAddressParseXML(xmlNodePtr node,
> >          goto cleanup;
> >
> >      }
> > +
> > +    if (bridge &&
> > +        virStrToLong_i(bridge, NULL, 0, &addr->bridge) < 0) {
> > +        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
> > +                       _("pci-bridge number must be >= 0 "));
> > +        goto cleanup;
> > +    }
> 
> This check isn't correct for the error message. The check is saying
> that we weren't able to parse out the value specified (look at the
> checks earlier in the function). The subsequent checks (where this
> code is added) checks for the validity of the values and use
> VIR_ERR_CONFIG_UNSUPPORTED.
> 

No

> You're also failing to free bridge in the cleanup section.

Yes, will fix.

> 
> > +
> >      if (!virDevicePCIAddressIsValid(addr)) {
> >          virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
> >                         _("Insufficient specification for PCI address"));
> > diff --git a/src/conf/device_conf.h b/src/conf/device_conf.h
> > index 5318738..7ac3461 100644
> > --- a/src/conf/device_conf.h
> > +++ b/src/conf/device_conf.h
> > @@ -48,6 +48,7 @@ struct _virDevicePCIAddress {
> >      unsigned int slot;
> >      unsigned int function;
> >      int          multi;  /* enum virDomainDeviceAddressPciMulti */
> > +    int          bridge; /* for pci-bridge */
> >  };
> >
> >  int virDevicePCIAddressIsValid(virDevicePCIAddressPtr addr);
> > diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> > index 6a7646e..8ebe77d 100644
> > --- a/src/conf/domain_conf.c
> > +++ b/src/conf/domain_conf.c
> > @@ -264,7 +264,8 @@ VIR_ENUM_IMPL(virDomainController, VIR_DOMAIN_CONTROLLER_TYPE_LAST,
> >                "sata",
> >                "virtio-serial",
> >                "ccid",
> > -              "usb")
> > +              "usb",
> > +              "pci-bridge")
> >
> >  VIR_ENUM_IMPL(virDomainControllerModelSCSI, VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LAST,
> >                "auto",
> > @@ -4479,6 +4480,8 @@ virDomainControllerDefParseXML(xmlNodePtr node,
> >          goto error;
> >
> >      switch (def->type) {
> > +    case VIR_DOMAIN_CONTROLLER_TYPE_PCIBRIDGE:
> > +        break;
> >      case VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL: {
> >          char *ports = virXMLPropString(node, "ports");
> >          if (ports) {
> > diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
> > index 5062e07..56e5a40 100644
> > --- a/src/conf/domain_conf.h
> > +++ b/src/conf/domain_conf.h
> > @@ -652,6 +652,7 @@ enum virDomainControllerType {
> >      VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL,
> >      VIR_DOMAIN_CONTROLLER_TYPE_CCID,
> >      VIR_DOMAIN_CONTROLLER_TYPE_USB,
> > +    VIR_DOMAIN_CONTROLLER_TYPE_PCIBRIDGE,
> >
> >      VIR_DOMAIN_CONTROLLER_TYPE_LAST
> >  };
> > --
> > 1.7.2.5
> >
> >
> 
> Looks like:
> 
> int virDevicePCIAddressIsValid(virDevicePCIAddressPtr addr)
> 
> Needs to be updated as well part of this series to allow bus to not be
> 0 anymore.
> 
> This change also needs an update to the XML schemas in
> docs/schemas/basictypes.rng
> 

-- 
regards!
li guang



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