| 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 or; /* 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 *alias; /* possible old allowed name */ |
| 44 | enum fio_opt_type type; /* option type */ |
| 45 | unsigned int off1; /* potential parameters */ |
| 46 | unsigned int off2; |
| 47 | unsigned int off3; |
| 48 | unsigned int off4; |
| 49 | unsigned int off5; |
| 50 | unsigned int off6; |
| 51 | void *roff1, *roff2, *roff3, *roff4, *roff5, *roff6; |
| 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 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 (*verify)(struct fio_option *, void *); |
| 65 | const char *prof_name; /* only valid for specific profile */ |
| 66 | }; |
| 67 | |
| 68 | typedef int (str_cb_fn)(void *, char *); |
| 69 | |
| 70 | extern int parse_option(char *, const char *, struct fio_option *, struct fio_option **, void *); |
| 71 | extern void sort_options(char **, struct fio_option *, int); |
| 72 | extern int parse_cmd_option(const char *t, const char *l, struct fio_option *, void *); |
| 73 | extern int show_cmd_help(struct fio_option *, const char *); |
| 74 | extern void fill_default_options(void *, struct fio_option *); |
| 75 | extern void option_init(struct fio_option *); |
| 76 | extern void options_init(struct fio_option *); |
| 77 | extern void options_free(struct fio_option *, void *); |
| 78 | |
| 79 | extern void strip_blank_front(char **); |
| 80 | extern void strip_blank_end(char *); |
| 81 | extern int str_to_decimal(const char *, long long *, int, void *); |
| 82 | extern int str_to_float(const char *str, double *val); |
| 83 | |
| 84 | /* |
| 85 | * Handlers for the options |
| 86 | */ |
| 87 | typedef int (fio_opt_str_fn)(void *, const char *); |
| 88 | typedef int (fio_opt_str_val_fn)(void *, long long *); |
| 89 | typedef int (fio_opt_int_fn)(void *, int *); |
| 90 | typedef int (fio_opt_str_set_fn)(void *); |
| 91 | |
| 92 | #define td_var(start, offset) ((void *) start + (offset)) |
| 93 | |
| 94 | static inline int parse_is_percent(unsigned long long val) |
| 95 | { |
| 96 | return val <= -1ULL && val >= (-1ULL - 100ULL); |
| 97 | } |
| 98 | |
| 99 | #endif |