874133db16032adc28f7af27872f9b576f19d12c
[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 event;
15 struct device;
16 struct waitset;
17 struct config;
18
19 struct discover_device {
20         struct device           *device;
21
22         char                    **links;
23         int                     n_links;
24
25         const char              *uuid;
26         const char              *label;
27
28         char                    *mount_path;
29         char                    *root_path;
30         const char              *device_path;
31         struct ramdisk_device   *ramdisk;
32         bool                    mounted;
33         bool                    mounted_rw;
34         bool                    unmount;
35
36         bool                    notified;
37
38         struct list             boot_options;
39         struct list             params;
40 };
41
42 struct discover_boot_option {
43         struct parser           *source;
44         struct discover_device  *device;
45         struct boot_option      *option;
46         struct list_item        list;
47
48         struct resource         *boot_image;
49         struct resource         *initrd;
50         struct resource         *dtb;
51         struct resource         *args_sig_file;
52         struct resource         *icon;
53 };
54
55
56 struct discover_context {
57         struct device_handler   *handler;
58         struct parser           *parser;
59         struct event            *event;
60         struct discover_device  *device;
61         struct list             boot_options;
62         struct pb_url           *conf_url;
63         void                    *test_data;
64 };
65
66 struct ramdisk_device {
67         const char      *path;
68         char            *snapshot;
69         char            *origin;
70         char            *base;
71         uint64_t        sectors;
72 };
73
74 struct device_handler *device_handler_init(struct discover_server *server,
75                 struct waitset *waitset, int dry_run);
76
77 void device_handler_destroy(struct device_handler *devices);
78
79 int device_handler_get_device_count(const struct device_handler *handler);
80 const struct discover_device *device_handler_get_device(
81         const struct device_handler *handler, unsigned int index);
82 struct network *device_handler_get_network(
83                 const struct device_handler *handler);
84
85 struct discover_device *discover_device_create(struct device_handler *handler,
86                 const char *uuid, const char *id);
87 void device_handler_add_device(struct device_handler *handler,
88                 struct discover_device *device);
89 void device_handler_add_ramdisk(struct device_handler *handler,
90                 const char *path);
91 struct ramdisk_device *device_handler_get_ramdisk(
92                 struct device_handler *handler);
93 void device_handler_release_ramdisk(struct discover_device *device);
94 int device_handler_discover(struct device_handler *handler,
95                 struct discover_device *dev);
96 int device_handler_dhcp(struct device_handler *handler,
97                 struct discover_device *dev, struct event *event);
98 void device_handler_remove(struct device_handler *handler,
99                 struct discover_device *device);
100
101 void device_handler_status(struct device_handler *handler,
102                 struct status *status);
103 void device_handler_status_info(struct device_handler *handler,
104                 const char *fmt, ...);
105 void device_handler_status_err(struct device_handler *handler,
106                 const char *fmt, ...);
107 void device_handler_status_dev_info(struct device_handler *handler,
108                 struct discover_device *dev, const char *fmt, ...);
109 void device_handler_status_dev_err(struct device_handler *handler,
110                 struct discover_device *dev, const char *fmt, ...);
111
112 struct discover_context *device_handler_discover_context_create(
113                 struct device_handler *handler,
114                 struct discover_device *device);
115 void device_handler_discover_context_commit(struct device_handler *handler,
116                 struct discover_context *ctx);
117
118 struct discover_boot_option *discover_boot_option_create(
119                 struct discover_context *ctx,
120                 struct discover_device *dev);
121 void discover_context_add_boot_option(struct discover_context *ctx,
122                 struct discover_boot_option *opt);
123
124 int device_handler_user_event(struct device_handler *handler,
125                                 struct event *event);
126
127 struct discover_device *device_lookup_by_name(struct device_handler *handler,
128                 const char *name);
129 struct discover_device *device_lookup_by_uuid(struct device_handler *handler,
130                 const char *uuid);
131 struct discover_device *device_lookup_by_label(struct device_handler *handler,
132                 const char *label);
133 struct discover_device *device_lookup_by_id(struct device_handler *handler,
134                 const char *id);
135 struct discover_device *device_lookup_by_serial(
136                 struct device_handler *device_handler,
137                 const char *serial);
138
139 void discover_device_set_param(struct discover_device *device,
140                 const char *name, const char *value);
141 const char *discover_device_get_param(struct discover_device *device,
142                 const char *name);
143
144 void device_handler_boot(struct device_handler *handler,
145                 struct boot_command *cmd);
146 void device_handler_cancel_default(struct device_handler *handler);
147 void device_handler_update_config(struct device_handler *handler,
148                 struct config *config);
149 void device_handler_process_url(struct device_handler *handler,
150                 const char *url, const char *mac, const char *ip);
151 void device_handler_reinit(struct device_handler *handler);
152
153 int device_request_write(struct discover_device *dev, bool *release);
154 void device_release_write(struct discover_device *dev, bool release);
155 void device_sync_snapshots(struct device_handler *handler, const char *device);
156
157 #endif /* _DEVICE_HANDLER_H */