1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2#ifndef _ASM_POWERPC_ASM_PROTOTYPES_H 3#define _ASM_POWERPC_ASM_PROTOTYPES_H 4/* 5 * This file is for C prototypes of asm symbols that are EXPORTed. 6 * It allows the modversions logic to see their prototype and 7 * generate proper CRCs for them. 8 * 9 * Copyright 2016, Daniel Axtens, IBM Corporation. 10 */ 11 12#include <linux/threads.h> 13#include <asm/cacheflush.h> 14#include <asm/checksum.h> 15#include <linux/uaccess.h> 16#include <asm/epapr_hcalls.h> 17#include <asm/dcr.h> 18#include <asm/mmu_context.h> 19#include <asm/ultravisor-api.h> 20 21#include <uapi/asm/ucontext.h> 22 23/* Ultravisor */ 24#if defined(CONFIG_PPC_POWERNV) || defined(CONFIG_PPC_SVM) 25long ucall_norets(unsigned long opcode, ...); 26#else 27static inline long ucall_norets(unsigned long opcode, ...) 28{ 29 return U_NOT_AVAILABLE; 30} 31#endif 32 33/* OPAL */ 34int64_t __opal_call(int64_t a0, int64_t a1, int64_t a2, int64_t a3, 35 int64_t a4, int64_t a5, int64_t a6, int64_t a7, 36 int64_t opcode, uint64_t msr); 37 38/* misc runtime */ 39void enable_machine_check(void); 40extern u64 __bswapdi2(u64); 41extern s64 __lshrdi3(s64, int); 42extern s64 __ashldi3(s64, int); 43extern s64 __ashrdi3(s64, int); 44extern int __cmpdi2(s64, s64); 45extern int __ucmpdi2(u64, u64); 46 47/* tracing */ 48void _mcount(void); 49 50/* Transaction memory related */ 51void tm_enable(void); 52void tm_disable(void); 53void tm_abort(uint8_t cause); 54 55struct kvm_vcpu; 56void _kvmppc_restore_tm_pr(struct kvm_vcpu *vcpu, u64 guest_msr); 57void _kvmppc_save_tm_pr(struct kvm_vcpu *vcpu, u64 guest_msr); 58 59#ifdef CONFIG_PPC_TRANSACTIONAL_MEM 60void kvmppc_save_tm_hv(struct kvm_vcpu *vcpu, u64 msr, bool preserve_nv); 61void kvmppc_restore_tm_hv(struct kvm_vcpu *vcpu, u64 msr, bool preserve_nv); 62#else 63static inline void kvmppc_save_tm_hv(struct kvm_vcpu *vcpu, u64 msr, 64 bool preserve_nv) { } 65static inline void kvmppc_restore_tm_hv(struct kvm_vcpu *vcpu, u64 msr, 66 bool preserve_nv) { } 67#endif /* CONFIG_PPC_TRANSACTIONAL_MEM */ 68 69void kvmppc_p9_enter_guest(struct kvm_vcpu *vcpu); 70 71long kvmppc_h_set_dabr(struct kvm_vcpu *vcpu, unsigned long dabr); 72long kvmppc_h_set_xdabr(struct kvm_vcpu *vcpu, unsigned long dabr, 73 unsigned long dabrx); 74 75#endif /* _ASM_POWERPC_ASM_PROTOTYPES_H */ 76