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[libvirt] [PATCHv2 20/62] qemu: process: clear QEMU_CAPS_BLOCKDEV for VMs with SD card



SD cards are currently passed by using -drive only which would not be
compatible with using -blockdev fully.

Clear QEMU_CAPS_BLOCKDEV if the VM has such devices.

Signed-off-by: Peter Krempa <pkrempa redhat com>
---
 src/qemu/qemu_process.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index c1a8dfda29..38e88404aa 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -5882,6 +5882,15 @@ qemuProcessPrepareDomain(virQEMUDriverPtr driver,

     qemuProcessPrepareAllowReboot(vm);

+    /* clear the 'blockdev' capability for VMs which have disks that need
+     * -drive or which have floppies where we can't reliably get the QOM path */
+    for (i = 0; i < vm->def->ndisks; i++) {
+        if (qemuDiskBusNeedsDriveArg(vm->def->disks[i]->bus)) {
+            virQEMUCapsClear(priv->qemuCaps, QEMU_CAPS_BLOCKDEV);
+            break;
+        }
+    }
+
     /*
      * Normally PCI addresses are assigned in the virDomainCreate
      * or virDomainDefine methods. We might still need to assign
-- 
2.16.2


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