[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [RFC V3 4/7] qmp: Allow block_passwd to manipulate bs g
From: |
Benoît Canet |
Subject: |
Re: [Qemu-devel] [RFC V3 4/7] qmp: Allow block_passwd to manipulate bs graph nodes. |
Date: |
Thu, 5 Dec 2013 15:12:25 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Le Wednesday 04 Dec 2013 à 16:56:05 (-0700), Eric Blake a écrit :
> On 12/03/2013 06:26 AM, Benoît Canet wrote:
> > Signed-off-by: Benoit Canet <address@hidden>
> > ---
> >
> > +BlockDriverState * bdrv_lookup_bs(bool has_device, const char * device,
> > + bool has_node_name, const char *
> > node_name,
>
> Style: no space after * (3 instances)
>
> > + Error **errp)
> > +{
> > + BlockDriverState *bs = NULL;
> > +
> > + if ((has_device && has_node_name) ||
> > + (!has_device && !has_node_name)) {
>
> Could be shortened to:
>
> if (has_device == has_node_name) {
>
> > + error_setg(errp, "Use either device or node-name but not both.");
>
> We tend to avoid trailing '.' on error messages
>
> >
> > -void qmp_block_passwd(const char *device, const char *password, Error
> > **errp)
> > +void qmp_block_passwd(bool has_device, const char * device,
> > + bool has_node_name, const char * node_name,
> > + const char * password, Error **errp)
>
> Again, no space after '*'
>
> > +++ b/include/block/block.h
> > @@ -371,6 +371,9 @@ void bdrv_eject(BlockDriverState *bs, bool eject_flag);
> > const char *bdrv_get_format_name(BlockDriverState *bs);
> > BlockDriverState *bdrv_find(const char *name);
> > BlockDriverState *bdrv_find_node(const char *node_name);
> > +BlockDriverState * bdrv_lookup_bs(bool has_device, const char * device,
> > + bool has_node_name, const char *
> > node_name,
> > + Error **errp);
>
> And again
>
> > +++ b/qapi-schema.json
> > @@ -1675,7 +1675,11 @@
> > # determine which ones are encrypted, set the passwords with this command,
> > and
> > # then start the guest with the @cont command.
> > #
> > -# @device: the name of the device to set the password on
> > +# Either @device or @node-name must be set but not both.
> > +#
> > +# @device: #optional the name of the block backend device to set the
> > password on
> > +#
> > +# @node-name: #optional graph node name to set the password on (Since 1.8)
>
> 2.0
>
> > #
> > # @password: the password to use for the device
> > #
> > @@ -1689,7 +1693,8 @@
> > #
> > # Since: 0.14.0
> > ##
> > -{ 'command': 'block_passwd', 'data': {'device': 'str', 'password': 'str'} }
> > +{ 'command': 'block_passwd', 'data': {'*device': 'str',
> > + '*node-name': 'str', 'password':
> > 'str'} }
>
> Seems like a reasonable addition; shouldn't cause any back-compat
> problems (older management tools will always provide the now-optional
> 'device').
>
> Is it intentional that you are not exposing this new functionality in HMP?
Yes, I don't foresee any way to print the graph in HMP so I am limiting the
changes to QMP.
Best regards
Benoît
>
> --
> Eric Blake eblake redhat com +1-919-301-3266
> Libvirt virtualization library http://libvirt.org
>
- Re: [Qemu-devel] [RFC V3 3/7] qapi: Add skeletton of command to query a drive bs graph., (continued)
- Re: [Qemu-devel] [RFC V3 3/7] qapi: Add skeletton of command to query a drive bs graph., Eric Blake, 2013/12/04
- Re: [Qemu-devel] [RFC V3 3/7] qapi: Add skeletton of command to query a drive bs graph., Benoît Canet, 2013/12/05
- Re: [Qemu-devel] [RFC V3 3/7] qapi: Add skeletton of command to query a drive bs graph., Eric Blake, 2013/12/05
- Re: [Qemu-devel] [RFC V3 3/7] qapi: Add skeletton of command to query a drive bs graph., Benoît Canet, 2013/12/05
- Re: [Qemu-devel] [RFC V3 3/7] qapi: Add skeletton of command to query a drive bs graph., Eric Blake, 2013/12/05
- Re: [Qemu-devel] [RFC V3 3/7] qapi: Add skeletton of command to query a drive bs graph., Benoît Canet, 2013/12/05
[Qemu-devel] [RFC V3 1/7] block: Add bs->node_name to hold the name of a bs node of the bs graph., Benoît Canet, 2013/12/03
[Qemu-devel] [RFC V3 4/7] qmp: Allow block_passwd to manipulate bs graph nodes., Benoît Canet, 2013/12/03
[Qemu-devel] [RFC V3 5/7] qmp: Allow block_resize to manipulate bs graph nodes., Benoît Canet, 2013/12/03
[Qemu-devel] [RFC V3 6/7] block: Create authorizations mechanism for external snapshots., Benoît Canet, 2013/12/03