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/******************************************************************************
* xc_cpu_hotplug.c - Libxc API for Xen Physical CPU hotplug Management
*
* Copyright (c) 2008, Shan Haitao <haitao.shan@intel.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*/
#include "xc_private.h"
int xc_cpu_online(xc_interface *xch, int cpu)
{
DECLARE_SYSCTL;
int ret;
sysctl.cmd = XEN_SYSCTL_cpu_hotplug;
sysctl.u.cpu_hotplug.cpu = cpu;
sysctl.u.cpu_hotplug.op = XEN_SYSCTL_CPU_HOTPLUG_ONLINE;
ret = xc_sysctl(xch, &sysctl);
return ret;
}
int xc_cpu_offline(xc_interface *xch, int cpu)
{
DECLARE_SYSCTL;
int ret;
sysctl.cmd = XEN_SYSCTL_cpu_hotplug;
sysctl.u.cpu_hotplug.cpu = cpu;
sysctl.u.cpu_hotplug.op = XEN_SYSCTL_CPU_HOTPLUG_OFFLINE;
ret = xc_sysctl(xch, &sysctl);
return ret;
}
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