parse.h revision a4ed77fe07de1ca78cd44a6378dc20a2cd1ce7ad
1#ifndef FIO_PARSE_H 2#define FIO_PARSE_H 3 4#include "flist.h" 5 6/* 7 * Option types 8 */ 9enum fio_opt_type { 10 FIO_OPT_INVALID = 0, 11 FIO_OPT_STR, 12 FIO_OPT_STR_MULTI, 13 FIO_OPT_STR_VAL, 14 FIO_OPT_STR_VAL_TIME, 15 FIO_OPT_STR_STORE, 16 FIO_OPT_RANGE, 17 FIO_OPT_INT, 18 FIO_OPT_BOOL, 19 FIO_OPT_FLOAT_LIST, 20 FIO_OPT_STR_SET, 21 FIO_OPT_DEPRECATED, 22}; 23 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 */ 30 const char *help; /* help text for sub option */ 31 int or; /* OR value */ 32 void *cb; /* sub-option callback */ 33}; 34 35#define OPT_LEN_MAX 4096 36#define PARSE_MAX_VP 16 37 38/* 39 * Option define 40 */ 41struct fio_option { 42 const char *name; /* option name */ 43 const char *lname; /* long option name */ 44 const char *alias; /* possible old allowed name */ 45 enum fio_opt_type type; /* option type */ 46 unsigned int off1; /* potential parameters */ 47 unsigned int off2; 48 unsigned int off3; 49 unsigned int off4; 50 void *roff1, *roff2, *roff3, *roff4; 51 unsigned int maxval; /* max and min value */ 52 int minval; 53 double maxfp; /* max and min floating value */ 54 double minfp; 55 unsigned int interval; /* client hint for suitable interval */ 56 unsigned int maxlen; /* max length */ 57 int neg; /* negate value stored */ 58 int prio; 59 void *cb; /* callback */ 60 const char *help; /* help text for option */ 61 const char *def; /* default setting */ 62 struct value_pair posval[PARSE_MAX_VP];/* possible values */ 63 const char *parent; /* parent option */ 64 int hide; /* hide if parent isn't set */ 65 int hide_on_set; /* hide on set, not on unset */ 66 const char *inverse; /* if set, apply opposite action to this option */ 67 struct fio_option *inv_opt; /* cached lookup */ 68 int (*verify)(struct fio_option *, void *); 69 const char *prof_name; /* only valid for specific profile */ 70 unsigned int category; /* what type of option */ 71 unsigned int group; /* who to group with */ 72 void *gui_data; 73}; 74 75typedef int (str_cb_fn)(void *, char *); 76 77extern int parse_option(char *, const char *, struct fio_option *, struct fio_option **, void *); 78extern void sort_options(char **, struct fio_option *, int); 79extern int parse_cmd_option(const char *t, const char *l, struct fio_option *, void *); 80extern int show_cmd_help(struct fio_option *, const char *); 81extern void fill_default_options(void *, struct fio_option *); 82extern void option_init(struct fio_option *); 83extern void options_init(struct fio_option *); 84extern void options_free(struct fio_option *, void *); 85 86extern void strip_blank_front(char **); 87extern void strip_blank_end(char *); 88extern int str_to_decimal(const char *, long long *, int, void *); 89extern int check_str_bytes(const char *p, long long *val, void *data); 90 91/* 92 * Handlers for the options 93 */ 94typedef int (fio_opt_str_fn)(void *, const char *); 95typedef int (fio_opt_str_val_fn)(void *, long long *); 96typedef int (fio_opt_int_fn)(void *, int *); 97typedef int (fio_opt_str_set_fn)(void *); 98 99#define td_var(start, offset) ((void *) start + (offset)) 100 101#ifndef min 102#define min(a, b) ((a) < (b) ? (a) : (b)) 103#endif 104#ifndef max 105#define max(a, b) ((a) > (b) ? (a) : (b)) 106#endif 107 108static inline int parse_is_percent(unsigned long long val) 109{ 110 return val <= -1ULL && val >= (-1ULL - 100ULL); 111} 112 113#endif 114