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authorAshijeet Acharya <ashijeetacharya@gmail.com>2017-01-16 17:01:52 +0530
committerDr. David Alan Gilbert <dgilbert@redhat.com>2017-01-24 17:54:47 +0000
commita3a3d8c73889282eb696535f1b5345d88b4dc58c (patch)
treef8829f59f6998431208d5e8c0a74a724d864ca58 /qdev-monitor.c
parentd15c05fc1f9c0ddbbab1b2a08b976be82f2d0654 (diff)
migration: Allow "device add" options to only add migratable devices
Introduce checks for the unmigratable flag in the VMStateDescription structs of respective devices when user attempts to add them. If the "--only-migratable" was specified, all unmigratable devices will rightly fail to add. This feature is made compatible for both "-device" and "-usbdevice" command line options and covers their hmp and qmp counterparts as well. Signed-off-by: Ashijeet Acharya <ashijeetacharya@gmail.com> Message-Id: <1484566314-3987-4-git-send-email-ashijeetacharya@gmail.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'qdev-monitor.c')
-rw-r--r--qdev-monitor.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/qdev-monitor.c b/qdev-monitor.c
index c73410c02e..81d01df928 100644
--- a/qdev-monitor.c
+++ b/qdev-monitor.c
@@ -29,6 +29,7 @@
#include "qemu/error-report.h"
#include "qemu/help_option.h"
#include "sysemu/block-backend.h"
+#include "migration/migration.h"
/*
* Aliases were a bad idea from the start. Let's keep them
@@ -577,6 +578,14 @@ DeviceState *qdev_device_add(QemuOpts *opts, Error **errp)
return NULL;
}
+ if (only_migratable) {
+ if (dc->vmsd->unmigratable) {
+ error_setg(errp, "Device %s is not migratable, but "
+ "--only-migratable was specified", driver);
+ return NULL;
+ }
+ }
+
/* find bus */
path = qemu_opt_get(opts, "bus");
if (path != NULL) {