[libvirt] [PATCH 07/13] Assign PCI addresses before hotplugging devices

[Daniel Veillard]

On Mon, Feb 01, 2010 at 06:39:36PM +0000, Daniel P. Berrange wrote:
> PCI disk, disk controllers, net devices and host devices need to
> have PCI addresses assigned before they are hot-plugged
> 
> * src/qemu/qemu_conf.c: Add APIs for ensuring a device has an
>   address and releasing unused addresses
> * src/qemu/qemu_driver.c: Ensure all devices have addresses
>   when hotplugging.
> ---
>  src/qemu/qemu_conf.c   |   60 ++++++++++++++++++++++++++++++++++++++---------
>  src/qemu/qemu_conf.h   |   11 +++++++-
>  src/qemu/qemu_driver.c |   43 ++++++++++++++++++++++++++++++++--
>  3 files changed, 97 insertions(+), 17 deletions(-)
[...]
>  cleanup:
> +    if ((ret != 0) &&
> +        (qemuCmdFlags & QEMUD_CMD_FLAG_DEVICE) &&
> +        (net->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) &&
> +        qemuDomainPCIAddressReleaseAddr(priv->pciaddrs, &net->info) < 0)
> +        VIR_WARN0("Unable to release PCI address on NIC");
> +

  Wondering to which extend (qemuCmdFlags & QEMUD_CMD_FLAG_DEVICE) check
  shouldn't be handled down in allocation and releasing routines instead
  of before each invocation, but it's minor.

ACK,

Daniel

-- 
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