mirror of https://gitee.com/openkylin/linux.git
69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
/*
|
|
* Copyright (C) 2008, VMware, Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
|
|
* NON INFRINGEMENT. See the GNU General Public License for more
|
|
* details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
*/
|
|
#ifndef _ASM_X86_HYPERVISOR_H
|
|
#define _ASM_X86_HYPERVISOR_H
|
|
|
|
#ifdef CONFIG_HYPERVISOR_GUEST
|
|
|
|
#include <asm/kvm_para.h>
|
|
#include <asm/xen/hypervisor.h>
|
|
|
|
/*
|
|
* x86 hypervisor information
|
|
*/
|
|
struct hypervisor_x86 {
|
|
/* Hypervisor name */
|
|
const char *name;
|
|
|
|
/* Detection routine */
|
|
uint32_t (*detect)(void);
|
|
|
|
/* Adjust CPU feature bits (run once per CPU) */
|
|
void (*set_cpu_features)(struct cpuinfo_x86 *);
|
|
|
|
/* Platform setup (run once per boot) */
|
|
void (*init_platform)(void);
|
|
|
|
/* X2APIC detection (run once per boot) */
|
|
bool (*x2apic_available)(void);
|
|
|
|
/* pin current vcpu to specified physical cpu (run rarely) */
|
|
void (*pin_vcpu)(int);
|
|
};
|
|
|
|
extern const struct hypervisor_x86 *x86_hyper;
|
|
|
|
/* Recognized hypervisors */
|
|
extern const struct hypervisor_x86 x86_hyper_vmware;
|
|
extern const struct hypervisor_x86 x86_hyper_ms_hyperv;
|
|
extern const struct hypervisor_x86 x86_hyper_xen;
|
|
extern const struct hypervisor_x86 x86_hyper_kvm;
|
|
|
|
extern void init_hypervisor(struct cpuinfo_x86 *c);
|
|
extern void init_hypervisor_platform(void);
|
|
extern bool hypervisor_x2apic_available(void);
|
|
extern void hypervisor_pin_vcpu(int cpu);
|
|
#else
|
|
static inline void init_hypervisor(struct cpuinfo_x86 *c) { }
|
|
static inline void init_hypervisor_platform(void) { }
|
|
static inline bool hypervisor_x2apic_available(void) { return false; }
|
|
#endif /* CONFIG_HYPERVISOR_GUEST */
|
|
#endif /* _ASM_X86_HYPERVISOR_H */
|