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