/* * 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. * * 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. 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * Copyright IBM Corp. 2008 * * Authors: Hollis Blanchard <hollisb@us.ibm.com> */ #ifndef __POWERPC_KVM_PARA_H__ #define __POWERPC_KVM_PARA_H__ #include <uapi/asm/kvm_para.h> #ifdef [31mCONFIG_KVM_GUEST[0m #include <linux/of.h> static inline int kvm_para_available(void) { struct device_node *hyper_node; hyper_node = of_find_node_by_path("/hypervisor"); if (!hyper_node) return 0; if (!of_device_is_compatible(hyper_node, "linux,kvm")) return 0; return 1; } #else static inline int kvm_para_available(void) { return 0; } #endif static inline unsigned int kvm_arch_para_features(void) { unsigned long r; if (!kvm_para_available()) return 0; if(epapr_hypercall0_1(KVM_HCALL_TOKEN(KVM_HC_FEATURES), &r)) return 0; return r; } static inline bool kvm_check_and_clear_guest_paused(void) { return false; } #endif /* __POWERPC_KVM_PARA_H__ */ |