->getevents() should take unsigned args
[fio.git] / parse.h
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CommitLineData
1#ifndef FIO_PARSE_H
2#define FIO_PARSE_H
3
4/*
5 * Option types
6 */
7enum fio_opt_type {
8 FIO_OPT_STR = 0,
9 FIO_OPT_STR_VAL,
10 FIO_OPT_STR_VAL_INT,
11 FIO_OPT_STR_VAL_TIME,
12 FIO_OPT_STR_STORE,
13 FIO_OPT_RANGE,
14 FIO_OPT_INT,
15 FIO_OPT_BOOL,
16 FIO_OPT_STR_SET,
17};
18
19/*
20 * Match a possible value string with the integer option.
21 */
22struct value_pair {
23 const char *ival; /* string option */
24 unsigned int oval; /* output value */
25 const char *help; /* help text for sub option */
26};
27
28#define PARSE_MAX_VP 16
29
30/*
31 * Option define
32 */
33struct fio_option {
34 const char *name; /* option name */
35 const char *alias; /* possible old allowed name */
36 enum fio_opt_type type; /* option type */
37 unsigned int off1; /* potential parameters */
38 unsigned int off2;
39 unsigned int off3;
40 unsigned int off4;
41 unsigned int maxval; /* max and min value */
42 int minval;
43 int neg; /* negate value stored */
44 void *cb; /* callback */
45 const char *help; /* help text for option */
46 const char *def; /* default setting */
47 const struct value_pair posval[PARSE_MAX_VP];/* possible values */
48 const char *parent; /* parent option */
49};
50
51typedef int (str_cb_fn)(void *, char *);
52
53extern int parse_option(const char *, struct fio_option *, void *);
54extern int parse_cmd_option(const char *t, const char *l, struct fio_option *, void *);
55extern int show_cmd_help(struct fio_option *, const char *);
56extern void fill_default_options(void *, struct fio_option *);
57extern void options_init(struct fio_option *);
58
59extern void strip_blank_front(char **);
60extern void strip_blank_end(char *);
61
62/*
63 * Handlers for the options
64 */
65typedef int (fio_opt_str_fn)(void *, const char *);
66typedef int (fio_opt_str_val_fn)(void *, long long *);
67typedef int (fio_opt_int_fn)(void *, int *);
68typedef int (fio_opt_str_set_fn)(void *);
69
70#define td_var(start, offset) ((void *) start + (offset))
71
72#ifndef min
73#define min(a, b) ((a) < (b) ? (a) : (b))
74#endif
75#ifndef max
76#define max(a, b) ((a) > (b) ? (a) : (b))
77#endif
78
79#endif