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| 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) |
| 25 | long ucall_norets(unsigned long opcode, ...); |
| 26 | #else |
| 27 | static inline long ucall_norets(unsigned long opcode, ...) |
| 28 | { |
| 29 | return U_NOT_AVAILABLE; |
| 30 | } |
| 31 | #endif |
| 32 | |
| 33 | /* OPAL */ |
| 34 | int64_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 */ |
| 39 | void enable_machine_check(void); |
| 40 | extern u64 __bswapdi2(u64); |
| 41 | extern s64 __lshrdi3(s64, int); |
| 42 | extern s64 __ashldi3(s64, int); |
| 43 | extern s64 __ashrdi3(s64, int); |
| 44 | extern int __cmpdi2(s64, s64); |
| 45 | extern int __ucmpdi2(u64, u64); |
| 46 | |
| 47 | /* tracing */ |
| 48 | void _mcount(void); |
| 49 | |
| 50 | /* Transaction memory related */ |
| 51 | void tm_enable(void); |
| 52 | void tm_disable(void); |
| 53 | void tm_abort(uint8_t cause); |
| 54 | |
| 55 | struct kvm_vcpu; |
| 56 | void _kvmppc_restore_tm_pr(struct kvm_vcpu *vcpu, u64 guest_msr); |
| 57 | void _kvmppc_save_tm_pr(struct kvm_vcpu *vcpu, u64 guest_msr); |
| 58 | |
| 59 | #ifdef CONFIG_PPC_TRANSACTIONAL_MEM |
| 60 | void kvmppc_save_tm_hv(struct kvm_vcpu *vcpu, u64 msr, bool preserve_nv); |
| 61 | void kvmppc_restore_tm_hv(struct kvm_vcpu *vcpu, u64 msr, bool preserve_nv); |
| 62 | #else |
| 63 | static inline void kvmppc_save_tm_hv(struct kvm_vcpu *vcpu, u64 msr, |
| 64 | bool preserve_nv) { } |
| 65 | static inline void kvmppc_restore_tm_hv(struct kvm_vcpu *vcpu, u64 msr, |
| 66 | bool preserve_nv) { } |
| 67 | #endif /* CONFIG_PPC_TRANSACTIONAL_MEM */ |
| 68 | |
| 69 | void kvmppc_p9_enter_guest(struct kvm_vcpu *vcpu); |
| 70 | |
| 71 | long kvmppc_h_set_dabr(struct kvm_vcpu *vcpu, unsigned long dabr); |
| 72 | long kvmppc_h_set_xdabr(struct kvm_vcpu *vcpu, unsigned long dabr, |
| 73 | unsigned long dabrx); |
| 74 | |
| 75 | #endif /* _ASM_POWERPC_ASM_PROTOTYPES_H */ |
| 76 |
Warning: This file is not a C or C++ file. It does not have highlighting.