Re: [Qemu-devel] [PATCH v2 13/15] qmp: Expose manual_dirty_log_protect via "query-kvm"

[Eric Blake]

On 5/19/19 10:08 PM, Peter Xu wrote:
> Expose the new capability via "query-kvm" QMP command too so we know
> whether that's turned on on the source VM when we want.
> 
> Signed-off-by: Peter Xu <address@hidden>
> ---
>  accel/kvm/kvm-all.c  | 5 +++++
>  include/sysemu/kvm.h | 2 ++
>  qapi/misc.json       | 6 +++++-
>  qmp.c                | 1 +
>  4 files changed, 13 insertions(+), 1 deletion(-)
> 

> +++ b/qapi/misc.json
> @@ -253,9 +253,13 @@
>  #
>  # @present: true if KVM acceleration is built into this executable
>  #
> +# @manual-dirty-log-protect: true if manual dirty log protect is enabled
> +#

If we want this exposed (and Paolo is right that we might not), it needs
'(since 4.1)' designation.

>  # Since: 0.14.0
>  ##
> -{ 'struct': 'KvmInfo', 'data': {'enabled': 'bool', 'present': 'bool'} }
> +{ 'struct': 'KvmInfo', 'data':
> +  {'enabled': 'bool', 'present': 'bool',
> +   'manual-dirty-log-protect': 'bool' } }
>  
>  ##
>  # @query-kvm:
> diff --git a/qmp.c b/qmp.c
> index b92d62cd5f..047bef032e 100644
> --- a/qmp.c
> +++ b/qmp.c
> @@ -73,6 +73,7 @@ KvmInfo *qmp_query_kvm(Error **errp)
>  
>      info->enabled = kvm_enabled();
>      info->present = kvm_available();
> +    info->manual_dirty_log_protect = kvm_manual_dirty_log_protect_enabled();
>  
>      return info;
>  }
> 

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org

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