This source file includes following definitions.
- ucall_norets
- kvmppc_save_tm_hv
- kvmppc_restore_tm_hv
1
2 #ifndef _ASM_POWERPC_ASM_PROTOTYPES_H
3 #define _ASM_POWERPC_ASM_PROTOTYPES_H
4
5
6
7
8
9
10
11 #include <linux/threads.h>
12 #include <asm/cacheflush.h>
13 #include <asm/checksum.h>
14 #include <linux/uaccess.h>
15 #include <asm/epapr_hcalls.h>
16 #include <asm/dcr.h>
17 #include <asm/mmu_context.h>
18 #include <asm/ultravisor-api.h>
19
20 #include <uapi/asm/ucontext.h>
21
22
23 extern struct task_struct *current_set[NR_CPUS];
24 extern struct task_struct *secondary_current;
25 void start_secondary(void *unused);
26
27
28 struct paca_struct;
29 struct kimage;
30 extern struct paca_struct kexec_paca;
31 void kexec_copy_flush(struct kimage *image);
32
33
34 extern struct static_key hcall_tracepoint_key;
35 void __trace_hcall_entry(unsigned long opcode, unsigned long *args);
36 void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf);
37
38
39 #if defined(CONFIG_PPC_POWERNV) || defined(CONFIG_PPC_SVM)
40 long ucall_norets(unsigned long opcode, ...);
41 #else
42 static inline long ucall_norets(unsigned long opcode, ...)
43 {
44 return U_NOT_AVAILABLE;
45 }
46 #endif
47
48
49 int64_t __opal_call(int64_t a0, int64_t a1, int64_t a2, int64_t a3,
50 int64_t a4, int64_t a5, int64_t a6, int64_t a7,
51 int64_t opcode, uint64_t msr);
52
53
54 int enter_vmx_usercopy(void);
55 int exit_vmx_usercopy(void);
56 int enter_vmx_ops(void);
57 void *exit_vmx_ops(void *dest);
58
59
60 long machine_check_early(struct pt_regs *regs);
61 long hmi_exception_realmode(struct pt_regs *regs);
62 void SMIException(struct pt_regs *regs);
63 void handle_hmi_exception(struct pt_regs *regs);
64 void instruction_breakpoint_exception(struct pt_regs *regs);
65 void RunModeException(struct pt_regs *regs);
66 void single_step_exception(struct pt_regs *regs);
67 void program_check_exception(struct pt_regs *regs);
68 void alignment_exception(struct pt_regs *regs);
69 void StackOverflow(struct pt_regs *regs);
70 void kernel_fp_unavailable_exception(struct pt_regs *regs);
71 void altivec_unavailable_exception(struct pt_regs *regs);
72 void vsx_unavailable_exception(struct pt_regs *regs);
73 void fp_unavailable_tm(struct pt_regs *regs);
74 void altivec_unavailable_tm(struct pt_regs *regs);
75 void vsx_unavailable_tm(struct pt_regs *regs);
76 void facility_unavailable_exception(struct pt_regs *regs);
77 void TAUException(struct pt_regs *regs);
78 void altivec_assist_exception(struct pt_regs *regs);
79 void unrecoverable_exception(struct pt_regs *regs);
80 void kernel_bad_stack(struct pt_regs *regs);
81 void system_reset_exception(struct pt_regs *regs);
82 void machine_check_exception(struct pt_regs *regs);
83 void emulation_assist_interrupt(struct pt_regs *regs);
84 long do_slb_fault(struct pt_regs *regs, unsigned long ea);
85 void do_bad_slb_fault(struct pt_regs *regs, unsigned long ea, long err);
86
87
88 long sys_swapcontext(struct ucontext __user *old_ctx,
89 struct ucontext __user *new_ctx,
90 long ctx_size);
91 #ifdef CONFIG_PPC32
92 long sys_debug_setcontext(struct ucontext __user *ctx,
93 int ndbg, struct sig_dbg_op __user *dbg);
94 int
95 ppc_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp, struct timeval __user *tvp);
96 unsigned long __init early_init(unsigned long dt_ptr);
97 void __init machine_init(u64 dt_ptr);
98 #endif
99
100 long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
101 u32 len_high, u32 len_low);
102 long sys_switch_endian(void);
103 notrace unsigned int __check_irq_replay(void);
104 void notrace restore_interrupts(void);
105
106
107 long do_syscall_trace_enter(struct pt_regs *regs);
108 void do_syscall_trace_leave(struct pt_regs *regs);
109
110
111 void restore_math(struct pt_regs *regs);
112 void restore_tm_state(struct pt_regs *regs);
113
114
115 unsigned long __init prom_init(unsigned long r3, unsigned long r4,
116 unsigned long pp,
117 unsigned long r6, unsigned long r7,
118 unsigned long kbase);
119
120
121 void __init early_setup(unsigned long dt_ptr);
122 void early_setup_secondary(void);
123
124
125 void accumulate_stolen_time(void);
126
127
128 extern u64 __bswapdi2(u64);
129 extern s64 __lshrdi3(s64, int);
130 extern s64 __ashldi3(s64, int);
131 extern s64 __ashrdi3(s64, int);
132 extern int __cmpdi2(s64, s64);
133 extern int __ucmpdi2(u64, u64);
134
135
136 void _mcount(void);
137 unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip,
138 unsigned long sp);
139
140 void pnv_power9_force_smt4_catch(void);
141 void pnv_power9_force_smt4_release(void);
142
143
144 void tm_enable(void);
145 void tm_disable(void);
146 void tm_abort(uint8_t cause);
147
148 struct kvm_vcpu;
149 void _kvmppc_restore_tm_pr(struct kvm_vcpu *vcpu, u64 guest_msr);
150 void _kvmppc_save_tm_pr(struct kvm_vcpu *vcpu, u64 guest_msr);
151
152
153 extern s32 patch__call_flush_count_cache;
154 extern s32 patch__flush_count_cache_return;
155 extern s32 patch__flush_link_stack_return;
156 extern s32 patch__call_kvm_flush_link_stack;
157 extern s32 patch__memset_nocache, patch__memcpy_nocache;
158
159 extern long flush_count_cache;
160 extern long kvm_flush_link_stack;
161
162 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
163 void kvmppc_save_tm_hv(struct kvm_vcpu *vcpu, u64 msr, bool preserve_nv);
164 void kvmppc_restore_tm_hv(struct kvm_vcpu *vcpu, u64 msr, bool preserve_nv);
165 #else
166 static inline void kvmppc_save_tm_hv(struct kvm_vcpu *vcpu, u64 msr,
167 bool preserve_nv) { }
168 static inline void kvmppc_restore_tm_hv(struct kvm_vcpu *vcpu, u64 msr,
169 bool preserve_nv) { }
170 #endif
171
172 void kvmhv_save_host_pmu(void);
173 void kvmhv_load_host_pmu(void);
174 void kvmhv_save_guest_pmu(struct kvm_vcpu *vcpu, bool pmu_in_use);
175 void kvmhv_load_guest_pmu(struct kvm_vcpu *vcpu);
176
177 int __kvmhv_vcpu_entry_p9(struct kvm_vcpu *vcpu);
178
179 long kvmppc_h_set_dabr(struct kvm_vcpu *vcpu, unsigned long dabr);
180 long kvmppc_h_set_xdabr(struct kvm_vcpu *vcpu, unsigned long dabr,
181 unsigned long dabrx);
182
183 #endif