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[libvirt] [PATCH 07/10] Convert USB disks over to -device



The previous syntax was severely limited in its options

  -usbdevice disk:/home/berrange/output.img

The new syntax is the same as for other disk types

  -drive file=/home/berrange/output.img,if=none,id=usb-1,index=1
  -device usb-storage,drive=usb-1

Again, the index= arg is wrong here, and will be removed in a
later merge
---
 src/qemu/qemu_conf.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index 464f582..7582319 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -1447,7 +1447,9 @@ qemuBuildDriveDevStr(virConnectPtr conn,
     case VIR_DOMAIN_DISK_BUS_VIRTIO:
         virBufferAddLit(&opt, "virtio-blk-pci");
         break;
-
+    case VIR_DOMAIN_DISK_BUS_USB:
+        virBufferAddLit(&opt, "usb-storage");
+        break;
     default:
         qemudReportError(conn, NULL, NULL, VIR_ERR_INTERNAL_ERROR,
                          _("unsupported disk bus '%s' with device setup"), bus);
@@ -2264,7 +2266,10 @@ int qemudBuildCommandLine(virConnectPtr conn,
             virDomainDiskDefPtr disk = def->disks[i];
             int withDeviceArg = 0;
 
-            if (disk->bus == VIR_DOMAIN_DISK_BUS_USB) {
+            /* Unless we have -device, then USB disks need special
+               handling */
+            if ((disk->bus == VIR_DOMAIN_DISK_BUS_USB) &&
+                !(qemuCmdFlags & QEMUD_CMD_FLAG_DEVICE)) {
                 if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK) {
                     ADD_USBDISK(disk->src);
                 } else {
-- 
1.6.5.2


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