1 #ifndef FIO_PARSE_H 2 #define FIO_PARSE_H 3 4 #include "flist.h" 5 6 /* 7 * Option types 8 */ 9 enum 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 */ 27 struct 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 orval; /* OR value */ 32 void *cb; /* sub-option callback */ 33 }; 34 35 #define OPT_LEN_MAX 4096 36 #define PARSE_MAX_VP 24 37 38 /* 39 * Option define 40 */ 41 struct 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 unsigned int off5; 51 unsigned int off6; 52 unsigned int maxval; /* max and min value */ 53 int minval; 54 double maxfp; /* max and min floating value */ 55 double minfp; 56 unsigned int interval; /* client hint for suitable interval */ 57 unsigned int maxlen; /* max length */ 58 int neg; /* negate value stored */ 59 int prio; 60 void *cb; /* callback */ 61 const char *help; /* help text for option */ 62 const char *def; /* default setting */ 63 struct value_pair posval[PARSE_MAX_VP];/* possible values */ 64 const char *parent; /* parent option */ 65 int hide; /* hide if parent isn't set */ 66 int hide_on_set; /* hide on set, not on unset */ 67 const char *inverse; /* if set, apply opposite action to this option */ 68 struct fio_option *inv_opt; /* cached lookup */ 69 int (*verify)(struct fio_option *, void *); 70 const char *prof_name; /* only valid for specific profile */ 71 void *prof_opts; 72 unsigned int category; /* what type of option */ 73 unsigned int group; /* who to group with */ 74 void *gui_data; 75 int is_seconds; /* time value with seconds base */ 76 int is_time; /* time based value */ 77 int no_warn_def; 78 }; 79 80 typedef int (str_cb_fn)(void *, char *); 81 82 extern int parse_option(char *, const char *, struct fio_option *, struct fio_option **, void *, int); 83 extern void sort_options(char **, struct fio_option *, int); 84 extern int parse_cmd_option(const char *t, const char *l, struct fio_option *, void *); 85 extern int show_cmd_help(struct fio_option *, const char *); 86 extern void fill_default_options(void *, struct fio_option *); 87 extern void option_init(struct fio_option *); 88 extern void options_init(struct fio_option *); 89 extern void options_free(struct fio_option *, void *); 90 91 extern void strip_blank_front(char **); 92 extern void strip_blank_end(char *); 93 extern int str_to_decimal(const char *, long long *, int, void *, int, int); 94 extern int check_str_bytes(const char *p, long long *val, void *data); 95 extern int check_str_time(const char *p, long long *val, int); 96 extern int str_to_float(const char *str, double *val, int is_time); 97 98 extern int string_distance(const char *s1, const char *s2); 99 100 /* 101 * Handlers for the options 102 */ 103 typedef int (fio_opt_str_fn)(void *, const char *); 104 typedef int (fio_opt_str_val_fn)(void *, long long *); 105 typedef int (fio_opt_int_fn)(void *, int *); 106 typedef int (fio_opt_str_set_fn)(void *); 107 108 #define __td_var(start, offset) ((char *) start + (offset)) 109 110 struct thread_options; 111 static inline void *td_var(struct thread_options *to, struct fio_option *o, 112 unsigned int offset) 113 { 114 if (o->prof_opts) 115 return __td_var(o->prof_opts, offset); 116 117 return __td_var(to, offset); 118 } 119 120 static inline int parse_is_percent(unsigned long long val) 121 { 122 return val <= -1ULL && val >= (-1ULL - 100ULL); 123 } 124 125 #endif 126
