[libvirt] [RFC 09/12] RFC: Don't reserve slot 1 if a USB controller is defined there
Wen Congyang
wency at cn.fujitsu.com
Wed Aug 24 03:10:26 UTC 2011
At 08/24/2011 09:42 AM, Wen Congyang Write:
> At 08/22/2011 03:01 AM, Marc-André Lureau Write:
>> ---
>> src/qemu/qemu_command.c | 10 +++++++++-
>> 1 files changed, 9 insertions(+), 1 deletions(-)
>>
>> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
>> index 9ea4b7c..d25f34f 100644
>> --- a/src/qemu/qemu_command.c
>> +++ b/src/qemu/qemu_command.c
>> @@ -1093,6 +1093,7 @@ qemuAssignDevicePCISlots(virDomainDefPtr def, qemuDomainPCIAddressSetPtr addrs)
>> {
>> int i;
>> bool reservedIDE = false;
>> + bool reservedUSB = false;
>> bool reservedVGA = false;
>>
>> /* Host bridge */
>> @@ -1123,13 +1124,20 @@ qemuAssignDevicePCISlots(virDomainDefPtr def, qemuDomainPCIAddressSetPtr addrs)
>> def->controllers[i]->info.addr.pci.slot = 1;
>> def->controllers[i]->info.addr.pci.function = 1;
>> }
>> + } else if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_USB &&
>> + def->controllers[i]->idx == 0 &&
>> + def->controllers[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI &&
>> + def->controllers[i]->info.addr.pci.domain == 0 &&
>> + def->controllers[i]->info.addr.pci.bus == 0 &&
>> + def->controllers[i]->info.addr.pci.slot == 1) {
>> + reservedUSB = true;
>
> The first use controller's address is 0:0:1:2, you don't check the function value here.
> I think the code should be like IDE's code:
> if the type is not VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI:
> init def->controllers[i]->info
> else
> check the pci address, if the address is wrong, report a error
I read the patch 3, and find that you do not append -usb in the command line while using
usb controller. So all usb controllers should not use slot 1(because we may append
-usbdevice in the command line)
>
> Thanks
> Wen Congyang
>> }
>> }
>>
>> /* PIIX3 (ISA bridge, IDE controller, something else unknown, USB controller)
>> * hardcoded slot=1, multifunction device
>> */
>> - if (!reservedIDE &&
>> + if (!reservedIDE && !reservedUSB &&
>> qemuDomainPCIAddressReserveSlot(addrs, 1) < 0)
>> goto error;
>>
>
>
> --
> libvir-list mailing list
> libvir-list at redhat.com
> https://www.redhat.com/mailman/listinfo/libvir-list
>
More information about the libvir-list
mailing list