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qemu: hotplug: Setup host side of VDPA device for disk hotplug

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The code which opens the VDPA device and prepares it for FD passing was
not called in the hotplug code path, preventing hotplug of VDPA disks
with:

 error: internal error: argument key 'path' must not have null value

Use the new helper qemuProcessPrepareHostStorageDisk to setup the VDPA
definition.

Closes: https://gitlab.com/libvirt/libvirt/-/issues/539
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2023-10-26 15:12:35 +02:00
parent 61baeb1152
commit 98dd641e86
1 changed files with 3 additions and 0 deletions
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3
src/qemu/qemu_hotplug.c
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@ -1007,6 +1007,9 @@ qemuDomainAttachDeviceDiskLiveInternal(virQEMUDriver *driver,
if (qemuDomainDetermineDiskChain(driver, vm, disk, NULL) < 0)
goto cleanup;
if (qemuProcessPrepareHostStorageDisk(vm, disk) < 0)
goto cleanup;
if (qemuHotplugAttachManagedPR(vm, disk->src, VIR_ASYNC_JOB_NONE) < 0)
goto cleanup;