lib/system: Add vgscan, vgchange utilities
[petitboot] / discover / device-handler.h
1 #ifndef _DEVICE_HANDLER_H
2 #define _DEVICE_HANDLER_H
3
4 #include <stdbool.h>
5
6 #include <list/list.h>
7 #include <types/types.h>
8
9 struct device_handler;
10 struct discover_device;
11 struct discover_server;
12 struct boot_option;
13 struct boot_command;
14 struct process_info;
15 struct event;
16 struct device;
17 struct waitset;
18 struct config;
19
20 struct discover_device {
21         struct device           *device;
22
23         char                    **links;
24         int                     n_links;
25
26         const char              *uuid;
27         const char              *label;
28
29         char                    *mount_path;
30         char                    *root_path;
31         const char              *device_path;
32         struct ramdisk_device   *ramdisk;
33         bool                    mounted;
34         bool                    mounted_rw;
35         bool                    unmount;
36
37         bool                    notified;
38
39         struct list             boot_options;
40         struct list             params;
41 };
42
43 struct discover_boot_option {
44         struct parser           *source;
45         struct discover_device  *device;
46         struct boot_option      *option;
47         struct list_item        list;
48
49         struct resource         *boot_image;
50         struct resource         *initrd;
51         struct resource         *dtb;
52         struct resource         *args_sig_file;
53         struct resource         *icon;
54 };
55
56
57 struct discover_context {
58         struct device_handler   *handler;
59         struct parser           *parser;
60         struct event            *event;
61         struct discover_device  *device;
62         struct list             boot_options;
63         struct pb_url           *conf_url;
64         void                    *test_data;
65 };
66
67 struct ramdisk_device {
68         const char      *path;
69         char            *snapshot;
70         char            *origin;
71         char            *base;
72         uint64_t        sectors;
73 };
74
75 struct device_handler *device_handler_init(struct discover_server *server,
76                 struct waitset *waitset, int dry_run);
77
78 void device_handler_destroy(struct device_handler *devices);
79
80 int device_handler_get_device_count(const struct device_handler *handler);
81 const struct discover_device *device_handler_get_device(
82         const struct device_handler *handler, unsigned int index);
83 struct network *device_handler_get_network(
84                 const struct device_handler *handler);
85
86 struct discover_device *discover_device_create(struct device_handler *handler,
87                 const char *uuid, const char *id);
88 void device_handler_add_device(struct device_handler *handler,
89                 struct discover_device *device);
90 void device_handler_add_ramdisk(struct device_handler *handler,
91                 const char *path);
92 struct ramdisk_device *device_handler_get_ramdisk(
93                 struct device_handler *handler);
94 void device_handler_release_ramdisk(struct discover_device *device);
95 int device_handler_discover(struct device_handler *handler,
96                 struct discover_device *dev);
97 int device_handler_dhcp(struct device_handler *handler,
98                 struct discover_device *dev, struct event *event);
99 void device_handler_remove(struct device_handler *handler,
100                 struct discover_device *device);
101
102 void device_handler_status(struct device_handler *handler,
103                 struct status *status);
104 void device_handler_status_info(struct device_handler *handler,
105                 const char *fmt, ...);
106 void device_handler_status_err(struct device_handler *handler,
107                 const char *fmt, ...);
108 void device_handler_status_dev_info(struct device_handler *handler,
109                 struct discover_device *dev, const char *fmt, ...);
110 void device_handler_status_dev_err(struct device_handler *handler,
111                 struct discover_device *dev, const char *fmt, ...);
112 void device_handler_status_download(struct device_handler *handler,
113                 const struct process_info *procinfo,
114                 unsigned int percentage, unsigned int size, char suffix);
115 void device_handler_status_download_remove(struct device_handler *handler,
116                 struct process_info *procinfo);
117
118 struct discover_context *device_handler_discover_context_create(
119                 struct device_handler *handler,
120                 struct discover_device *device);
121 void device_handler_discover_context_commit(struct device_handler *handler,
122                 struct discover_context *ctx);
123
124 struct discover_boot_option *discover_boot_option_create(
125                 struct discover_context *ctx,
126                 struct discover_device *dev);
127 void discover_context_add_boot_option(struct discover_context *ctx,
128                 struct discover_boot_option *opt);
129
130 int device_handler_user_event(struct device_handler *handler,
131                                 struct event *event);
132
133 struct discover_device *device_lookup_by_name(struct device_handler *handler,
134                 const char *name);
135 struct discover_device *device_lookup_by_uuid(struct device_handler *handler,
136                 const char *uuid);
137 struct discover_device *device_lookup_by_label(struct device_handler *handler,
138                 const char *label);
139 struct discover_device *device_lookup_by_id(struct device_handler *handler,
140                 const char *id);
141 struct discover_device *device_lookup_by_serial(
142                 struct device_handler *device_handler,
143                 const char *serial);
144
145 void discover_device_set_param(struct discover_device *device,
146                 const char *name, const char *value);
147 const char *discover_device_get_param(struct discover_device *device,
148                 const char *name);
149
150 void device_handler_boot(struct device_handler *handler,
151                 struct boot_command *cmd);
152 void device_handler_cancel_default(struct device_handler *handler);
153 void device_handler_update_config(struct device_handler *handler,
154                 struct config *config);
155 void device_handler_process_url(struct device_handler *handler,
156                 const char *url, const char *mac, const char *ip);
157 void device_handler_reinit(struct device_handler *handler);
158
159 int device_request_write(struct discover_device *dev, bool *release);
160 void device_release_write(struct discover_device *dev, bool release);
161 void device_sync_snapshots(struct device_handler *handler, const char *device);
162
163 #endif /* _DEVICE_HANDLER_H */