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pci: show id info when pci BDF conflict

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During qemu init stage, when there is pci BDF conflicts, qemu print
a warning but not showing which device the BDF is occupied by. E.x:

"PCI: slot 2 function 0 not available for virtio-scsi-pci, in use by virtio-scsi-pci"

To facilitate user knowing the offending device and fixing it, showing
the id info in the warning.

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Message-Id: <20220223094435.64495-1-zhenzhong.duan@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Zhenzhong Duan 2022-02-23 17:44:35 +08:00 • committed by Michael S. Tsirkin
parent 45d8c0520b
commit ad003b9e68
1 changed files with 2 additions and 2 deletions
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4
hw/pci/pci.c
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@ -1099,9 +1099,9 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev,
return NULL; return NULL;
} else if (!pci_bus_devfn_available(bus, devfn)) { } else if (!pci_bus_devfn_available(bus, devfn)) {
error_setg(errp, "PCI: slot %d function %d not available for %s," error_setg(errp, "PCI: slot %d function %d not available for %s,"
" in use by %s", " in use by %s,id=%s",
PCI_SLOT(devfn), PCI_FUNC(devfn), name, PCI_SLOT(devfn), PCI_FUNC(devfn), name,
bus->devices[devfn]->name); bus->devices[devfn]->name, bus->devices[devfn]->qdev.id);
return NULL; return NULL;
} else if (dev->hotplugged && } else if (dev->hotplugged &&
!pci_is_vf(pci_dev) && !pci_is_vf(pci_dev) &&