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 struct waitset;
  14
  15 enum conf_method {
  16         CONF_METHOD_LOCAL_FILE, /* discover by looking at local files on this
  17                                    block device */
  18
  19         CONF_METHOD_DHCP,       /* configuration from a DHCP response */
  20
  21         CONF_METHOD_UNKNOWN = -1,
  22 };
  23
  24 struct discover_device {
  25         struct device           *device;
  26
  27         char                    **links;
  28         int                     n_links;
  29
  30         char                    *uuid;
  31         char                    *label;
  32
  33         char                    *mount_path;
  34         char                    *device_path;
  35
  36         struct list             boot_options;
  37 };
  38
  39 struct discover_boot_option {
  40         struct parser           *source;
  41         struct discover_device  *device;
  42         struct boot_option      *option;
  43         struct list_item        list;
  44
  45         struct resource         *boot_image;
  46         struct resource         *initrd;
  47         struct resource         *dtb;
  48         struct resource         *icon;
  49 };
  50
  51
  52 struct discover_context {
  53         struct parser           *parser;
  54         struct event            *event;
  55         struct discover_device  *device;
  56         struct list             boot_options;
  57         struct pb_url           *conf_url;
  58         enum conf_method        method;
  59 };
  60
  61 struct device_handler *device_handler_init(struct discover_server *server,
  62                 struct waitset *waitset, int dry_run);
  63
  64 void device_handler_destroy(struct device_handler *devices);
  65
  66 int device_handler_get_device_count(const struct device_handler *handler);
  67 const struct discover_device *device_handler_get_device(
  68         const struct device_handler *handler, unsigned int index);
  69
  70 struct device *discover_context_device(struct discover_context *ctx);
  71 struct discover_boot_option *discover_boot_option_create(
  72                 struct discover_context *ctx,
  73                 struct discover_device *dev);
  74 void discover_context_add_boot_option(struct discover_context *ctx,
  75                 struct discover_boot_option *opt);
  76
  77 int device_handler_event(struct device_handler *handler, struct event *event);
  78
  79 struct discover_device *device_lookup_by_name(struct device_handler *handler,
  80                 const char *name);
  81 struct discover_device *device_lookup_by_path(struct device_handler *handler,
  82                 const char *path);
  83 struct discover_device *device_lookup_by_uuid(struct device_handler *handler,
  84                 const char *uuid);
  85 struct discover_device *device_lookup_by_label(struct device_handler *handler,
  86                 const char *label);
  87 struct discover_device *device_lookup_by_id(struct device_handler *handler,
  88                 const char *id);
  89
  90 void device_handler_boot(struct device_handler *handler,
  91                 struct boot_command *cmd);
  92 void device_handler_cancel_default(struct device_handler *handler);
  93
  94 #endif /* _DEVICE_HANDLER_H */