[libvirt] [libvirt-perl][PATCH 2/3] Add virDomainSetBlockThreshold API

Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com&gt; --- Changes | 1 + Virt.xs | 12 ++++++++++++ lib/Sys/Virt/Domain.pm | 9 +++++++++ 3 files changed, 22 insertions(+) diff --git a/Changes b/Changes index 4d6136f..3faaf08 100644 --- a/Changes +++ b/Changes @@ -12,6 +12,7 @@ Revision history for perl module Sys::Virt - Add PERF_PARAM_ALIGNMENT_FAULTS constant - Add PERF_PARAM_EMULATION_FAULTS constant - Add block threshold event + - Add virDomainSetBlockThreshold API 3.1.0 2017-03-03 diff --git a/Virt.xs b/Virt.xs index e0588f0..a05cf4d 100644 --- a/Virt.xs +++ b/Virt.xs @@ -6120,6 +6120,18 @@ send_process_signal(dom, pidsv, signum, flags=0) if (virDomainSendProcessSignal(dom, pid, signum, flags) < 0) _croak_error(); +void +set_block_threshold(dom, dev, thresholdsv, flags=0) + virDomainPtr dom; + const char *dev; + SV *thresholdsv; + unsigned int flags; + PREINIT: + unsigned long long threshold; + PPCODE: + threshold = virt_SvIVull(thresholdsv); + if (virDomainSetBlockThreshold(dom, dev, threshold, flags) < 0) + _croak_error(); void destroy(dom_rv, flags=0) diff --git a/lib/Sys/Virt/Domain.pm b/lib/Sys/Virt/Domain.pm index b46eca1..a192ad5 100644 --- a/lib/Sys/Virt/Domain.pm +++ b/lib/Sys/Virt/Domain.pm @@ -1924,6 +1924,15 @@ C<$signum> value must be one of the constants listed later, not a POSIX or Linux signal value. C<$flags> is currently unused and defaults to zero. +=item $dom->set_block_threshold($dev, $threshold, $flags=0); + +Set the threshold level for delivering the +EVENT_ID_BLOCK_THRESHOLD if the device or backing chain element +described by C<$dev> is written beyond the set C<$threshold> +level. The threshold level is unset once the event fires. The +event might not be delivered at all if libvirtd was not running +at the moment when the threshold was reached. + =back =head1 CONSTANTS -- 2.10.2