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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 | #ifndef _ASM_POWERPC_ASM_PROTOTYPES_H
#define _ASM_POWERPC_ASM_PROTOTYPES_H
/*
* This file is for prototypes of C functions that are only called
* from asm, and any associated variables.
*
* Copyright 2016, Daniel Axtens, IBM Corporation.
*
* 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.
*/
#include <linux/threads.h>
#include <asm/cacheflush.h>
#include <asm/checksum.h>
#include <linux/uaccess.h>
#include <asm/epapr_hcalls.h>
#include <asm/dcr.h>
#include <asm/mmu_context.h>
#include <uapi/asm/ucontext.h>
/* SMP */
extern struct thread_info *current_set[NR_CPUS];
extern struct thread_info *secondary_ti;
void start_secondary(void *unused);
/* kexec */
struct paca_struct;
struct kimage;
extern struct paca_struct kexec_paca;
void kexec_copy_flush(struct kimage *image);
/* pseries hcall tracing */
extern struct static_key hcall_tracepoint_key;
void __trace_hcall_entry(unsigned long opcode, unsigned long *args);
void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf);
/* OPAL tracing */
#ifdef HAVE_JUMP_LABEL
extern struct static_key opal_tracepoint_key;
#endif
void __trace_opal_entry(unsigned long opcode, unsigned long *args);
void __trace_opal_exit(long opcode, unsigned long retval);
/* VMX copying */
int enter_vmx_usercopy(void);
int exit_vmx_usercopy(void);
int enter_vmx_ops(void);
void *exit_vmx_ops(void *dest);
/* Traps */
long machine_check_early(struct pt_regs *regs);
long hmi_exception_realmode(struct pt_regs *regs);
void SMIException(struct pt_regs *regs);
void handle_hmi_exception(struct pt_regs *regs);
void instruction_breakpoint_exception(struct pt_regs *regs);
void RunModeException(struct pt_regs *regs);
void single_step_exception(struct pt_regs *regs);
void program_check_exception(struct pt_regs *regs);
void alignment_exception(struct pt_regs *regs);
void slb_miss_bad_addr(struct pt_regs *regs);
void StackOverflow(struct pt_regs *regs);
void nonrecoverable_exception(struct pt_regs *regs);
void kernel_fp_unavailable_exception(struct pt_regs *regs);
void altivec_unavailable_exception(struct pt_regs *regs);
void vsx_unavailable_exception(struct pt_regs *regs);
void fp_unavailable_tm(struct pt_regs *regs);
void altivec_unavailable_tm(struct pt_regs *regs);
void vsx_unavailable_tm(struct pt_regs *regs);
void facility_unavailable_exception(struct pt_regs *regs);
void TAUException(struct pt_regs *regs);
void altivec_assist_exception(struct pt_regs *regs);
void unrecoverable_exception(struct pt_regs *regs);
void kernel_bad_stack(struct pt_regs *regs);
void system_reset_exception(struct pt_regs *regs);
void machine_check_exception(struct pt_regs *regs);
void emulation_assist_interrupt(struct pt_regs *regs);
/* signals, syscalls and interrupts */
long sys_swapcontext(struct ucontext __user *old_ctx,
struct ucontext __user *new_ctx,
long ctx_size);
#ifdef CONFIG_PPC32
long sys_debug_setcontext(struct ucontext __user *ctx,
int ndbg, struct sig_dbg_op __user *dbg);
int
ppc_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp, struct timeval __user *tvp);
unsigned long __init early_init(unsigned long dt_ptr);
void __init machine_init(u64 dt_ptr);
#endif
long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
u32 len_high, u32 len_low);
long sys_switch_endian(void);
notrace unsigned int __check_irq_replay(void);
void notrace restore_interrupts(void);
/* ptrace */
long do_syscall_trace_enter(struct pt_regs *regs);
void do_syscall_trace_leave(struct pt_regs *regs);
/* process */
void restore_math(struct pt_regs *regs);
void restore_tm_state(struct pt_regs *regs);
/* prom_init (OpenFirmware) */
unsigned long __init prom_init(unsigned long r3, unsigned long r4,
unsigned long pp,
unsigned long r6, unsigned long r7,
unsigned long kbase);
/* setup */
void __init early_setup(unsigned long dt_ptr);
void early_setup_secondary(void);
/* time */
void accumulate_stolen_time(void);
/* misc runtime */
extern u64 __bswapdi2(u64);
extern s64 __lshrdi3(s64, int);
extern s64 __ashldi3(s64, int);
extern s64 __ashrdi3(s64, int);
extern int __cmpdi2(s64, s64);
extern int __ucmpdi2(u64, u64);
/* tracing */
void _mcount(void);
unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip);
void pnv_power9_force_smt4_catch(void);
void pnv_power9_force_smt4_release(void);
/* Transaction memory related */
void tm_enable(void);
void tm_disable(void);
void tm_abort(uint8_t cause);
struct kvm_vcpu;
void _kvmppc_restore_tm_pr(struct kvm_vcpu *vcpu, u64 guest_msr);
void _kvmppc_save_tm_pr(struct kvm_vcpu *vcpu, u64 guest_msr);
/* Patch sites */
extern s32 patch__call_flush_count_cache;
extern s32 patch__flush_count_cache_return;
extern s32 patch__memset_nocache, patch__memcpy_nocache;
extern long flush_count_cache;
#endif /* _ASM_POWERPC_ASM_PROTOTYPES_H */
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