block,ide: simplify bdops->set_capacity() to ->unlock_native_capacity()
[linux-3.10.git] / include / trace / syscall.h
1 #ifndef _TRACE_SYSCALL_H
2 #define _TRACE_SYSCALL_H
3
4 #include <linux/tracepoint.h>
5 #include <linux/unistd.h>
6 #include <linux/ftrace_event.h>
7
8 #include <asm/ptrace.h>
9
10
11 /*
12  * A syscall entry in the ftrace syscalls array.
13  *
14  * @name: name of the syscall
15  * @syscall_nr: number of the syscall
16  * @nb_args: number of parameters it takes
17  * @types: list of types as strings
18  * @args: list of args as strings (args[i] matches types[i])
19  * @enter_event: associated syscall_enter trace event
20  * @exit_event: associated syscall_exit trace event
21  */
22 struct syscall_metadata {
23         const char      *name;
24         int             syscall_nr;
25         int             nb_args;
26         const char      **types;
27         const char      **args;
28
29         struct ftrace_event_call *enter_event;
30         struct ftrace_event_call *exit_event;
31 };
32
33 #ifdef CONFIG_FTRACE_SYSCALLS
34 extern unsigned long arch_syscall_addr(int nr);
35 extern int init_syscall_trace(struct ftrace_event_call *call);
36
37 extern int syscall_enter_define_fields(struct ftrace_event_call *call);
38 extern int syscall_exit_define_fields(struct ftrace_event_call *call);
39 extern int reg_event_syscall_enter(struct ftrace_event_call *call);
40 extern void unreg_event_syscall_enter(struct ftrace_event_call *call);
41 extern int reg_event_syscall_exit(struct ftrace_event_call *call);
42 extern void unreg_event_syscall_exit(struct ftrace_event_call *call);
43 extern int
44 ftrace_format_syscall(struct ftrace_event_call *call, struct trace_seq *s);
45 enum print_line_t print_syscall_enter(struct trace_iterator *iter, int flags);
46 enum print_line_t print_syscall_exit(struct trace_iterator *iter, int flags);
47 #endif
48
49 #ifdef CONFIG_PERF_EVENTS
50 int perf_sysenter_enable(struct ftrace_event_call *call);
51 void perf_sysenter_disable(struct ftrace_event_call *call);
52 int perf_sysexit_enable(struct ftrace_event_call *call);
53 void perf_sysexit_disable(struct ftrace_event_call *call);
54 #endif
55
56 #endif /* _TRACE_SYSCALL_H */