qapi: Convert eject

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>

blockdev.c

@@ -683,27 +683,17 @@ static void eject_device(BlockDriverState *bs, int force, Error **errp)
     bdrv_close(bs);
 }
 
-int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
+void qmp_eject(const char *device, bool has_force, bool force, Error **errp)
 {
     BlockDriverState *bs;
-    int force = qdict_get_try_bool(qdict, "force", 0);
-    const char *filename = qdict_get_str(qdict, "device");
-    Error *err = NULL;
 
-    bs = bdrv_find(filename);
+    bs = bdrv_find(device);
     if (!bs) {
-        qerror_report(QERR_DEVICE_NOT_FOUND, filename);
-        return -1;
-    }
-
-    eject_device(bs, force, &err);
-    if (error_is_set(&err)) {
-        qerror_report_err(err);
-        error_free(err);
-        return -1;
+        error_set(errp, QERR_DEVICE_NOT_FOUND, device);
+        return;
     }
 
-    return 0;
+    eject_device(bs, force, errp);
 }
 
 void qmp_block_passwd(const char *device, const char *password, Error **errp)

blockdev.h

@@ -58,7 +58,6 @@ DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi);
 DriveInfo *add_init_drive(const char *opts);
 
 void do_commit(Monitor *mon, const QDict *qdict);
-int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data);
 int do_change_block(Monitor *mon, const char *device,
                     const char *filename, const char *fmt);
 int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data);

hmp-commands.hx

@@ -75,8 +75,7 @@ ETEXI
         .args_type  = "force:-f,device:B",
         .params     = "[-f] device",
         .help       = "eject a removable medium (use -f to force it)",
-        .user_print = monitor_user_noop,
-        .mhandler.cmd_new = do_eject,
+        .mhandler.cmd = hmp_eject,
     },
 
 STEXI

hmp.c

@@ -702,3 +702,13 @@ void hmp_expire_password(Monitor *mon, const QDict *qdict)
     qmp_expire_password(protocol, whenstr, &err);
     hmp_handle_error(mon, &err);
 }
+
+void hmp_eject(Monitor *mon, const QDict *qdict)
+{
+    int force = qdict_get_try_bool(qdict, "force", 0);
+    const char *device = qdict_get_str(qdict, "device");
+    Error *err = NULL;
+
+    qmp_eject(device, true, force, &err);
+    hmp_handle_error(mon, &err);
+}

hmp.h

@@ -51,5 +51,6 @@ void hmp_migrate_set_downtime(Monitor *mon, const QDict *qdict);
 void hmp_migrate_set_speed(Monitor *mon, const QDict *qdict);
 void hmp_set_password(Monitor *mon, const QDict *qdict);
 void hmp_expire_password(Monitor *mon, const QDict *qdict);
+void hmp_eject(Monitor *mon, const QDict *qdict);
 
 #endif

qapi-schema.json

@@ -1331,3 +1331,24 @@
 #        sure you are on the same machine as the QEMU instance.
 ##
 { 'command': 'expire_password', 'data': {'protocol': 'str', 'time': 'str'} }
+
+##
+# @eject:
+#
+# Ejects a device from a removable drive.
+#
+# @device:  The name of the device
+#
+# @force:   @optional If true, eject regardless of whether the drive is locked.
+#           If not specified, the default value is false.
+#
+# Returns:  Nothing on success
+#           If @device is not a valid block device, DeviceNotFound
+#           If @device is not removable and @force is false, DeviceNotRemovable
+#           If @force is false and @device is locked, DeviceLocked
+#
+# Notes:    Ejecting a device will no media results in success
+#
+# Since: 0.14.0
+##
+{ 'command': 'eject', 'data': {'device': 'str', '*force': 'bool'} }

qmp-commands.hx

@@ -84,10 +84,7 @@ EQMP
     {
         .name       = "eject",
         .args_type  = "force:-f,device:B",
-        .params     = "[-f] device",
-        .help       = "eject a removable medium (use -f to force it)",
-        .user_print = monitor_user_noop,
-        .mhandler.cmd_new = do_eject,
+        .mhandler.cmd_new = qmp_marshal_input_eject,
     },
 
 SQMP