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