git.ozlabs.org Git - petitboot/blob - discover/device-handler.h

   1 #ifndef _DEVICE_HANDLER_H
   2 #define _DEVICE_HANDLER_H
   3
   4 #include <list/list.h>
   5
   6 struct device_handler;
   7 struct discover_device;
   8 struct discover_server;
   9 struct boot_option;
  10 struct boot_command;
  11 struct event;
  12 struct device;
  13
  14 enum conf_method {
  15         CONF_METHOD_LOCAL_FILE, /* discover by looking at local files on this
  16                                    block device */
  17 };
  18
  19 struct discover_device {
  20         struct device           *device;
  21
  22         char                    **links;
  23         int                     n_links;
  24
  25         char                    *uuid;
  26         char                    *label;
  27
  28         char                    *mount_path;
  29         char                    *device_path;
  30
  31         struct list             boot_options;
  32 };
  33
  34 struct discover_boot_option {
  35         struct parser           *source;
  36         struct discover_device  *device;
  37         struct boot_option      *option;
  38         struct list_item        list;
  39
  40         struct resource         *boot_image;
  41         struct resource         *initrd;
  42         struct resource         *icon;
  43 };
  44
  45
  46 struct discover_context {
  47         struct parser           *parser;
  48         struct event            *event;
  49         struct discover_device  *device;
  50         struct list             boot_options;
  51         enum conf_method        method;
  52 };
  53
  54 struct device_handler *device_handler_init(struct discover_server *server,
  55                 int dry_run);
  56
  57 void device_handler_destroy(struct device_handler *devices);
  58
  59 int device_handler_get_device_count(const struct device_handler *handler);
  60 const struct discover_device *device_handler_get_device(
  61         const struct device_handler *handler, unsigned int index);
  62
  63 struct device *discover_context_device(struct discover_context *ctx);
  64 struct discover_boot_option *discover_boot_option_create(
  65                 struct discover_context *ctx,
  66                 struct discover_device *dev);
  67 void discover_context_add_boot_option(struct discover_context *ctx,
  68                 struct discover_boot_option *opt);
  69
  70 int device_handler_event(struct device_handler *handler, struct event *event);
  71
  72 struct discover_device *device_lookup_by_name(struct device_handler *handler,
  73                 const char *name);
  74 struct discover_device *device_lookup_by_path(struct device_handler *handler,
  75                 const char *path);
  76 struct discover_device *device_lookup_by_uuid(struct device_handler *handler,
  77                 const char *uuid);
  78 struct discover_device *device_lookup_by_label(struct device_handler *handler,
  79                 const char *label);
  80 struct discover_device *device_lookup_by_id(struct device_handler *handler,
  81                 const char *id);
  82
  83 void device_handler_boot(struct device_handler *handler,
  84                 struct boot_command *cmd);
  85
  86 #endif /* _DEVICE_HANDLER_H */