[libvirt] [PATCH 1/3] Introduce virDomainPMWakeup API
Eric Blake
eblake at redhat.com
Fri Feb 10 18:56:12 UTC 2012
On 02/10/2012 06:43 AM, Michal Privoznik wrote:
> This API allows a domain which previously called
> virDomainPMSuspendForDuration() to be woken up.
> ---
> include/libvirt/libvirt.h.in | 2 +
> src/driver.h | 4 +++
> src/libvirt.c | 50 ++++++++++++++++++++++++++++++++++++++++++
> src/libvirt_public.syms | 1 +
> src/remote/remote_driver.c | 1 +
> src/remote/remote_protocol.x | 8 ++++++-
> src/remote_protocol-structs | 5 ++++
> 7 files changed, 70 insertions(+), 1 deletions(-)
I don't like the thought of adding new API post-freeze without good
reason, but I think this is a case of good reason - we are already
committing to adding a new feature in virDomainPMSuspendForDuration, and
that feature will be broken by design for 2 of its 3 targets unless we
also add this counterpart. On that basis, I will review this series and
request that you include them prior to 0.9.10.
> +++ b/src/libvirt.c
> @@ -2515,6 +2515,56 @@ error:
> }
>
> /**
> + * virDomainPMWakeup:
> + * @dom: a domain object
> + * @flags: extra flags; not used yet, so callers should always pass 0
> + *
> + * Inject a wakeup into the guest that previously used
> + * virDomainPMSuspendForDuration, rather than waiting for the
> + * previously requested duration (if any) to elapse.
> + *
> + * Returns: 0 on success,
> + * -1 on failure.
> + */
/me remarks that this looks an awful like my first RFC for this API -
thanks for taking my idea and turning it into a patch :)
> +++ b/src/libvirt_public.syms
> @@ -527,6 +527,7 @@ LIBVIRT_0.9.10 {
> virDomainShutdownFlags;
> virStorageVolResize;
> virStorageVolWipePattern;
> + virDomainPMWakeup;
Call me OCD, but I would have sorted this right after
virDomainPMSuspendForDuration.
> +++ b/src/remote/remote_driver.c
> @@ -4922,6 +4922,7 @@ static virDriver remote_driver = {
> .domainGetDiskErrors = remoteDomainGetDiskErrors, /* 0.9.10 */
> .domainSetMetadata = remoteDomainSetMetadata, /* 0.9.10 */
> .domainGetMetadata = remoteDomainGetMetadata, /* 0.9.10 */
> + .domainPMWakeup = remoteDomainPMWakeup, /* 0.9.10 */
Also, since the driver.h patch stuck it next to PMSuspend, I would have
stuck this line next to the remoteDomainPMSuspendForDuration line.
ACK; ordering nits are trivial.
--
Eric Blake eblake at redhat.com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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