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![Liu Jinsong](/assets/img/avatar_default.png)
Add Xen stub driver for CPU hotplug, early occupy to block native, will be replaced later by real Xen processor driver module. Signed-off-by: Liu Jinsong <jinsong.liu@intel.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
/******************************************************************************
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* acpi.h
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* acpi file for domain 0 kernel
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*
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* Copyright (c) 2011 Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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* Copyright (c) 2011 Yu Ke <ke.yu@intel.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation; or, when distributed
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* separately from the Linux kernel or incorporated into other
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* software packages, subject to the following license:
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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 source file (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy, modify,
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* merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to
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* 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 DEALINGS
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* IN THE SOFTWARE.
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*/
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#ifndef _XEN_ACPI_H
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#define _XEN_ACPI_H
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#include <linux/types.h>
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#ifdef CONFIG_XEN_DOM0
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#include <asm/xen/hypervisor.h>
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#include <xen/xen.h>
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#include <linux/acpi.h>
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#define ACPI_MEMORY_DEVICE_CLASS "memory"
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#define ACPI_MEMORY_DEVICE_HID "PNP0C80"
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#define ACPI_MEMORY_DEVICE_NAME "Hotplug Mem Device"
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int xen_stub_memory_device_init(void);
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void xen_stub_memory_device_exit(void);
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#define ACPI_PROCESSOR_CLASS "processor"
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#define ACPI_PROCESSOR_DEVICE_HID "ACPI0007"
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#define ACPI_PROCESSOR_DEVICE_NAME "Processor"
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int xen_stub_processor_init(void);
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void xen_stub_processor_exit(void);
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int xen_acpi_notify_hypervisor_state(u8 sleep_state,
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u32 pm1a_cnt, u32 pm1b_cnd);
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static inline void xen_acpi_sleep_register(void)
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{
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if (xen_initial_domain())
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acpi_os_set_prepare_sleep(
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&xen_acpi_notify_hypervisor_state);
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}
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#else
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static inline void xen_acpi_sleep_register(void)
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{
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}
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#endif
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#endif /* _XEN_ACPI_H */
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