From 2ac9ced4cb04af24b3448a245c7da87972876069 Mon Sep 17 00:00:00 2001 From: Keir Fraser Date: Mon, 24 Aug 2009 08:05:46 +0100 Subject: [PATCH] xend: Allow vtpm instance uuid to be specified on domain creation Right now xen will create a new vtpm instance everytime you start up a domU, even if you specify the instance parameter in your config file. Each vtpm instance is then given a uuid and the vtpm.db file maps instance numbers to uuid numbers. This patch is a hack that lets you explicitly set the uuid of your vtpm instance. Everytime you boot up your domU now the vtpm will get that uuid and thus it will always get the same vtpm instance number instead of being generated a new one. So for example, in your config file you would do something like this vtpm = [ 'backend=0,uuid=dcdb124b-9fed-4040-b149-dd2dfd8d094c' ] Signed-off-by: Matt Fioravante --- tools/python/xen/xm/create.py | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/python/xen/xm/create.py b/tools/python/xen/xm/create.py index 6ee6b7010d..99f9727ee9 100644 --- a/tools/python/xen/xm/create.py +++ b/tools/python/xen/xm/create.py @@ -890,6 +890,7 @@ def configure_vtpm(config_devs, vals): if len(vtpm) > 0: d = vtpm[0] instance = d.get('instance') + uuid = d.get('uuid') if instance == "VTPMD": instance = "0" else: @@ -908,6 +909,8 @@ def configure_vtpm(config_devs, vals): config_vtpm.append(['backend', backend]) if typ: config_vtpm.append(['type', type]) + if uuid: + config_vtpm.append(['uuid', type]) config_devs.append(['device', config_vtpm]) @@ -1147,7 +1150,7 @@ def preprocess_vtpm(vals): (k, v) = b.strip().split('=', 1) k = k.strip() v = v.strip() - if k not in ['backend', 'instance']: + if k not in ['backend', 'instance', 'uuid']: err('Invalid vtpm specifier: ' + vtpm) d[k] = v vtpms.append(d) -- 2.30.2