gfio: option improvements
[fio.git] / parse.h
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1#ifndef FIO_PARSE_H
2#define FIO_PARSE_H
3
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4#include "flist.h"
5
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6/*
7 * Option types
8 */
9enum fio_opt_type {
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10 FIO_OPT_INVALID = 0,
11 FIO_OPT_STR,
5f6ddf1e 12 FIO_OPT_STR_MULTI,
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13 FIO_OPT_STR_VAL,
14 FIO_OPT_STR_VAL_TIME,
15 FIO_OPT_STR_STORE,
16 FIO_OPT_RANGE,
17 FIO_OPT_INT,
13335ddb 18 FIO_OPT_BOOL,
83349190 19 FIO_OPT_FLOAT_LIST,
e1f36503 20 FIO_OPT_STR_SET,
15ca150e 21 FIO_OPT_DEPRECATED,
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22};
23
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24/*
25 * Match a possible value string with the integer option.
26 */
27struct value_pair {
28 const char *ival; /* string option */
29 unsigned int oval; /* output value */
7837213b 30 const char *help; /* help text for sub option */
5f6ddf1e 31 int or; /* OR value */
c44b1ff5 32 void *cb; /* sub-option callback */
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33};
34
c06c78c0 35#define OPT_LEN_MAX 4096
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36#define PARSE_MAX_VP 16
37
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38/*
39 * Option define
40 */
41struct fio_option {
ee738499 42 const char *name; /* option name */
e8b0e958 43 const char *lname; /* long option name */
03b74b3e 44 const char *alias; /* possible old allowed name */
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45 enum fio_opt_type type; /* option type */
46 unsigned int off1; /* potential parameters */
e1f36503 47 unsigned int off2;
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48 unsigned int off3;
49 unsigned int off4;
02c6aad5 50 void *roff1, *roff2, *roff3, *roff4;
ee738499 51 unsigned int maxval; /* max and min value */
63f29372 52 int minval;
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53 double maxfp; /* max and min floating value */
54 double minfp;
20eb06bd 55 unsigned int interval; /* client hint for suitable interval */
83349190 56 unsigned int maxlen; /* max length */
76a43db4 57 int neg; /* negate value stored */
3b8b7135 58 int prio;
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59 void *cb; /* callback */
60 const char *help; /* help text for option */
61 const char *def; /* default setting */
f5b6bb85 62 struct value_pair posval[PARSE_MAX_VP];/* possible values */
afdf9352 63 const char *parent; /* parent option */
d71c154c 64 int hide; /* hide if parent isn't set */
70a4c0c8 65 int (*verify)(struct fio_option *, void *);
07b3232d 66 const char *prof_name; /* only valid for specific profile */
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67 unsigned int category; /* what type of option */
68 unsigned int group; /* who to group with */
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69};
70
71typedef int (str_cb_fn)(void *, char *);
72
de890a1e 73extern int parse_option(char *, const char *, struct fio_option *, struct fio_option **, void *);
3b8b7135 74extern void sort_options(char **, struct fio_option *, int);
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75extern int parse_cmd_option(const char *t, const char *l, struct fio_option *, void *);
76extern int show_cmd_help(struct fio_option *, const char *);
ee738499 77extern void fill_default_options(void *, struct fio_option *);
9f988e2e 78extern void option_init(struct fio_option *);
13335ddb 79extern void options_init(struct fio_option *);
7e356b2d 80extern void options_free(struct fio_option *, void *);
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81
82extern void strip_blank_front(char **);
83extern void strip_blank_end(char *);
6925dd35 84extern int str_to_decimal(const char *, long long *, int, void *);
9af4a244 85extern int check_str_bytes(const char *p, long long *val, void *data);
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86
87/*
88 * Handlers for the options
89 */
b4692828 90typedef int (fio_opt_str_fn)(void *, const char *);
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91typedef int (fio_opt_str_val_fn)(void *, long long *);
92typedef int (fio_opt_int_fn)(void *, int *);
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93typedef int (fio_opt_str_set_fn)(void *);
94
95#define td_var(start, offset) ((void *) start + (offset))
96
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97#ifndef min
98#define min(a, b) ((a) < (b) ? (a) : (b))
99#endif
100#ifndef max
101#define max(a, b) ((a) > (b) ? (a) : (b))
102#endif
103
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104static inline int parse_is_percent(unsigned long long val)
105{
106 return val <= -1ULL && val >= (-1ULL - 100ULL);
107}
108
e1f36503 109#endif