/******************************************************************************
* hypervisor . h
*
* Linux - specific hypervisor handling .
*
* Copyright ( c ) 2002 - 2004 , K A Fraser
*
* 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 _ASM_X86_XEN_HYPERVISOR_H
#define _ASM_X86_XEN_HYPERVISOR_H
extern struct shared_info *HYPERVISOR_shared_info;
extern struct start_info *xen_start_info;
#include <asm /bug.h>
#include <asm /processor.h>
#define XEN_SIGNATURE "XenVMMXenVMM"
static inline uint32_t xen_cpuid_base(void )
{
return cpuid_base_hypervisor(XEN_SIGNATURE, 2 );
}
struct pci_dev;
#ifdef CONFIG_XEN_PV_DOM0
bool xen_initdom_restore_msi(struct pci_dev *dev);
#else
static inline bool xen_initdom_restore_msi(struct pci_dev *dev) { return true ; }
#endif
#ifdef CONFIG_HOTPLUG_CPU
void xen_arch_register_cpu(int num);
void xen_arch_unregister_cpu(int num);
#endif
#ifdef CONFIG_PVH
void __init xen_pvh_init(struct boot_params *boot_params);
void __init mem_map_via_hcall(struct boot_params *boot_params_p);
#endif
/* Lazy mode for batching updates / context switch */
enum xen_lazy_mode {
XEN_LAZY_NONE,
XEN_LAZY_MMU,
XEN_LAZY_CPU,
};
DECLARE_PER_CPU(enum xen_lazy_mode, xen_lazy_mode);
static inline void enter_lazy(enum xen_lazy_mode mode)
{
BUG_ON(this_cpu_read(xen_lazy_mode) != XEN_LAZY_NONE);
this_cpu_write(xen_lazy_mode, mode);
}
static inline void leave_lazy(enum xen_lazy_mode mode)
{
BUG_ON(this_cpu_read(xen_lazy_mode) != mode);
this_cpu_write(xen_lazy_mode, XEN_LAZY_NONE);
}
enum xen_lazy_mode xen_get_lazy_mode(void );
#if defined (CONFIG_XEN_DOM0) && defined (CONFIG_ACPI)
void xen_sanitize_proc_cap_bits(uint32_t *buf);
#else
static inline void xen_sanitize_proc_cap_bits(uint32_t *buf)
{
BUG();
}
#endif
#endif /* _ASM_X86_XEN_HYPERVISOR_H */
Messung V0.5 in Prozent C=98 H=92 G=94
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-09-29)
¤
*© Formatika GbR, Deutschland