/* * 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 [31mCONFIG_HYPERVISOR_GUEST[0m #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 */ |