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26#ifndef QEMU_OPTION_H
27#define QEMU_OPTION_H
28
29#include "qemu/queue.h"
30#include "qapi/qmp/qdict.h"
31
32const char *get_opt_name(char *buf, int buf_size, const char *p, char delim);
33const char *get_opt_value(char *buf, int buf_size, const char *p);
34int get_next_param_value(char *buf, int buf_size,
35 const char *tag, const char **pstr);
36int get_param_value(char *buf, int buf_size,
37 const char *tag, const char *str);
38
39
40void parse_option_size(const char *name, const char *value,
41 uint64_t *ret, Error **errp);
42bool has_help_option(const char *param);
43bool is_valid_option_list(const char *param);
44
45enum QemuOptType {
46 QEMU_OPT_STRING = 0,
47 QEMU_OPT_BOOL,
48 QEMU_OPT_NUMBER,
49 QEMU_OPT_SIZE,
50};
51
52typedef struct QemuOptDesc {
53 const char *name;
54 enum QemuOptType type;
55 const char *help;
56 const char *def_value_str;
57} QemuOptDesc;
58
59struct QemuOptsList {
60 const char *name;
61 const char *implied_opt_name;
62 bool merge_lists;
63 QTAILQ_HEAD(, QemuOpts) head;
64 QemuOptDesc desc[];
65};
66
67const char *qemu_opt_get(QemuOpts *opts, const char *name);
68char *qemu_opt_get_del(QemuOpts *opts, const char *name);
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80bool qemu_opt_has_help_opt(QemuOpts *opts);
81QemuOpt *qemu_opt_find(QemuOpts *opts, const char *name);
82bool qemu_opt_get_bool(QemuOpts *opts, const char *name, bool defval);
83uint64_t qemu_opt_get_number(QemuOpts *opts, const char *name, uint64_t defval);
84uint64_t qemu_opt_get_size(QemuOpts *opts, const char *name, uint64_t defval);
85bool qemu_opt_get_bool_del(QemuOpts *opts, const char *name, bool defval);
86uint64_t qemu_opt_get_number_del(QemuOpts *opts, const char *name,
87 uint64_t defval);
88uint64_t qemu_opt_get_size_del(QemuOpts *opts, const char *name,
89 uint64_t defval);
90int qemu_opt_unset(QemuOpts *opts, const char *name);
91void qemu_opt_set(QemuOpts *opts, const char *name, const char *value,
92 Error **errp);
93void qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val,
94 Error **errp);
95void qemu_opt_set_number(QemuOpts *opts, const char *name, int64_t val,
96 Error **errp);
97typedef int (*qemu_opt_loopfunc)(void *opaque,
98 const char *name, const char *value,
99 Error **errp);
100int qemu_opt_foreach(QemuOpts *opts, qemu_opt_loopfunc func, void *opaque,
101 Error **errp);
102
103typedef struct {
104 QemuOpts *opts;
105 QemuOpt *opt;
106 const char *name;
107} QemuOptsIter;
108
109void qemu_opt_iter_init(QemuOptsIter *iter, QemuOpts *opts, const char *name);
110const char *qemu_opt_iter_next(QemuOptsIter *iter);
111
112QemuOpts *qemu_opts_find(QemuOptsList *list, const char *id);
113QemuOpts *qemu_opts_create(QemuOptsList *list, const char *id,
114 int fail_if_exists, Error **errp);
115void qemu_opts_reset(QemuOptsList *list);
116void qemu_opts_loc_restore(QemuOpts *opts);
117void qemu_opts_set(QemuOptsList *list, const char *id,
118 const char *name, const char *value, Error **errp);
119const char *qemu_opts_id(QemuOpts *opts);
120void qemu_opts_set_id(QemuOpts *opts, char *id);
121void qemu_opts_del(QemuOpts *opts);
122void qemu_opts_validate(QemuOpts *opts, const QemuOptDesc *desc, Error **errp);
123void qemu_opts_do_parse(QemuOpts *opts, const char *params,
124 const char *firstname, Error **errp);
125QemuOpts *qemu_opts_parse_noisily(QemuOptsList *list, const char *params,
126 bool permit_abbrev);
127QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params,
128 bool permit_abbrev, Error **errp);
129void qemu_opts_set_defaults(QemuOptsList *list, const char *params,
130 int permit_abbrev);
131QemuOpts *qemu_opts_from_qdict(QemuOptsList *list, const QDict *qdict,
132 Error **errp);
133QDict *qemu_opts_to_qdict(QemuOpts *opts, QDict *qdict);
134void qemu_opts_absorb_qdict(QemuOpts *opts, QDict *qdict, Error **errp);
135
136typedef int (*qemu_opts_loopfunc)(void *opaque, QemuOpts *opts, Error **errp);
137int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func,
138 void *opaque, Error **errp);
139void qemu_opts_print(QemuOpts *opts, const char *sep);
140void qemu_opts_print_help(QemuOptsList *list);
141void qemu_opts_free(QemuOptsList *list);
142QemuOptsList *qemu_opts_append(QemuOptsList *dst, QemuOptsList *list);
143
144QDict *keyval_parse(const char *params, const char *implied_key,
145 Error **errp);
146
147#endif
148