[PATCH 06/12] qemu: add id when build RNG device and rename object id

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We didn't set a id when we build RNG device cmdline before.
Give a id to every RNG device and we can hotunplug it via
QMP cmd device_del.

Signed-off-by: Luyao Huang <lhuang@xxxxxxxxxx>
---
 src/qemu/qemu_command.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 46e289d..a4073ee 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -5761,7 +5761,7 @@ qemuBuildRNGBackendArgs(virCommandPtr cmd,
             goto cleanup;
         }
 
-        virBufferAsprintf(&buf, "rng-random,id=%s,filename=%s",
+        virBufferAsprintf(&buf, "rng-random,id=obj%s,filename=%s",
                           dev->info.alias, dev->source.file);
 
         virCommandAddArg(cmd, "-object");
@@ -5784,7 +5784,7 @@ qemuBuildRNGBackendArgs(virCommandPtr cmd,
         virCommandAddArgList(cmd, "-chardev", backend, NULL);
 
         virCommandAddArg(cmd, "-object");
-        virCommandAddArgFormat(cmd, "rng-egd,chardev=char%s,id=%s",
+        virCommandAddArgFormat(cmd, "rng-egd,chardev=char%s,id=obj%s",
                                dev->info.alias, dev->info.alias);
         break;
 
@@ -5816,13 +5816,13 @@ qemuBuildRNGDevStr(virDomainDefPtr def,
     }
 
     if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW)
-        virBufferAsprintf(&buf, "virtio-rng-ccw,rng=%s", dev->info.alias);
+        virBufferAsprintf(&buf, "virtio-rng-ccw,rng=obj%s,id=%s", dev->info.alias, dev->info.alias);
     else if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390)
-        virBufferAsprintf(&buf, "virtio-rng-s390,rng=%s", dev->info.alias);
+        virBufferAsprintf(&buf, "virtio-rng-s390,rng=obj%s,id=%s", dev->info.alias, dev->info.alias);
     else if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO)
-        virBufferAsprintf(&buf, "virtio-rng-device,rng=%s", dev->info.alias);
+        virBufferAsprintf(&buf, "virtio-rng-device,rng=obj%s,id=%s", dev->info.alias, dev->info.alias);
     else
-        virBufferAsprintf(&buf, "virtio-rng-pci,rng=%s", dev->info.alias);
+        virBufferAsprintf(&buf, "virtio-rng-pci,rng=obj%s,id=%s", dev->info.alias, dev->info.alias);
 
     if (dev->rate > 0) {
         virBufferAsprintf(&buf, ",max-bytes=%u", dev->rate);
-- 
1.8.3.1

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