/******************************************************************************
* acpi . h
* acpi file for domain 0 kernel
*
* Copyright ( c ) 2011 Konrad Rzeszutek Wilk < konrad . wilk @ oracle . com >
* Copyright ( c ) 2011 Yu Ke < ke . yu @ intel . com >
*
* This program is free software ; you can redistribute it and / or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation ; or , when distributed
* separately from the Linux kernel or incorporated into other
* software packages , subject to the following license :
*
* Permission is hereby granted , free of charge , to any person obtaining a copy
* of this source file ( 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 .
*/
#ifndef _XEN_ACPI_H
#define _XEN_ACPI_H
#include <linux/types.h>
typedef int (*get_gsi_from_sbdf_t)(u32 sbdf);
#ifdef CONFIG_XEN_DOM0
#include <asm /xen/hypervisor.h>
#include <xen/xen.h>
#include <linux/acpi.h>
int xen_acpi_notify_hypervisor_sleep(u8 sleep_state,
u32 pm1a_cnt, u32 pm1b_cnd);
int xen_acpi_notify_hypervisor_extended_sleep(u8 sleep_state,
u32 val_a, u32 val_b);
static inline int xen_acpi_suspend_lowlevel(void )
{
/*
* Xen will save and restore CPU context , so
* we can skip that and just go straight to
* the suspend .
*/
acpi_enter_sleep_state(ACPI_STATE_S3);
return 0 ;
}
static inline void xen_acpi_sleep_register(void )
{
if (xen_initial_domain()) {
acpi_os_set_prepare_sleep(
&xen_acpi_notify_hypervisor_sleep);
acpi_os_set_prepare_extended_sleep(
&xen_acpi_notify_hypervisor_extended_sleep);
acpi_suspend_lowlevel = xen_acpi_suspend_lowlevel;
}
}
int xen_pvh_setup_gsi(int gsi, int trigger, int polarity);
int xen_acpi_get_gsi_info(struct pci_dev *dev,
int *gsi_out,
int *trigger_out,
int *polarity_out);
void xen_acpi_register_get_gsi_func(get_gsi_from_sbdf_t func);
int xen_acpi_get_gsi_from_sbdf(u32 sbdf);
#else
static inline void xen_acpi_sleep_register(void )
{
}
static inline int xen_pvh_setup_gsi(int gsi, int trigger, int polarity)
{
return -1 ;
}
static inline int xen_acpi_get_gsi_info(struct pci_dev *dev,
int *gsi_out,
int *trigger_out,
int *polarity_out)
{
return -1 ;
}
static inline void xen_acpi_register_get_gsi_func(get_gsi_from_sbdf_t func)
{
}
static inline int xen_acpi_get_gsi_from_sbdf(u32 sbdf)
{
return -1 ;
}
#endif
#endif /* _XEN_ACPI_H */
Messung V0.5 in Prozent C=98 H=97 G=97
[Dauer der Verarbeitung: 0.14 Sekunden, vorverarbeitet 2026-09-27]