haraldwolff/qemu-patch-raspberry4
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vfio/pci: Allow MSI-X relocation to fixup bogus PBA

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The MSI-X relocation code can sometimes be used to work around bogus
MSI-X capabilities, but this test for whether the PBA is outside of
the specified BAR causes the device to error before we can apply a
relocation.  Let it proceed if we intend to relocate MSI-X anyway.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Alex Williamson 2019-06-13 09:57:36 -06:00
parent 3412d8ec98
commit c60807dea5
1 changed files with 1 additions and 1 deletions
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2
hw/vfio/pci.c
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@ -1533,7 +1533,7 @@ static void vfio_msix_early_setup(VFIOPCIDevice *vdev, Error **errp)
if (vdev->vendor_id == PCI_VENDOR_ID_CHELSIO &&
(vdev->device_id & 0xff00) == 0x5800) {
msix->pba_offset = 0x1000;
} else {
} else if (vdev->msix_relo == OFF_AUTOPCIBAR_OFF) {
error_setg(errp, "hardware reports invalid configuration, "
"MSIX PBA outside of specified BAR");
g_free(msix);