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 #define DEFAULT_BOOT_TIMEOUT_SEC        10
   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
  17 enum conf_method {
  18         CONF_METHOD_LOCAL_FILE, /* discover by looking at local files on this
  19                                    block device */
  20
  21         CONF_METHOD_DHCP,       /* configuration from a DHCP response */
  22
  23         CONF_METHOD_UNKNOWN = -1,
  24 };
  25
  26 struct discover_device {
  27         struct device           *device;
  28
  29         char                    **links;
  30         int                     n_links;
  31
  32         char                    *uuid;
  33         char                    *label;
  34
  35         char                    *mount_path;
  36         char                    *device_path;
  37
  38         struct list             boot_options;
  39 };
  40
  41 struct discover_boot_option {
  42         struct parser           *source;
  43         struct discover_device  *device;
  44         struct boot_option      *option;
  45         struct list_item        list;
  46
  47         struct resource         *boot_image;
  48         struct resource         *initrd;
  49         struct resource         *dtb;
  50         struct resource         *icon;
  51 };
  52
  53
  54 struct discover_context {
  55         struct parser           *parser;
  56         struct event            *event;
  57         struct discover_device  *device;
  58         struct list             boot_options;
  59         struct pb_url           *conf_url;
  60         enum conf_method        method;
  61 };
  62
  63 struct device_handler *device_handler_init(struct discover_server *server,
  64                 struct waitset *waitset, int dry_run);
  65
  66 void device_handler_destroy(struct device_handler *devices);
  67
  68 int device_handler_get_device_count(const struct device_handler *handler);
  69 const struct discover_device *device_handler_get_device(
  70         const struct device_handler *handler, unsigned int index);
  71
  72 struct device *discover_context_device(struct discover_context *ctx);
  73 struct discover_boot_option *discover_boot_option_create(
  74                 struct discover_context *ctx,
  75                 struct discover_device *dev);
  76 void discover_context_add_boot_option(struct discover_context *ctx,
  77                 struct discover_boot_option *opt);
  78
  79 int device_handler_event(struct device_handler *handler, struct event *event);
  80
  81 struct discover_device *device_lookup_by_name(struct device_handler *handler,
  82                 const char *name);
  83 struct discover_device *device_lookup_by_path(struct device_handler *handler,
  84                 const char *path);
  85 struct discover_device *device_lookup_by_uuid(struct device_handler *handler,
  86                 const char *uuid);
  87 struct discover_device *device_lookup_by_label(struct device_handler *handler,
  88                 const char *label);
  89 struct discover_device *device_lookup_by_id(struct device_handler *handler,
  90                 const char *id);
  91
  92 void device_handler_boot(struct device_handler *handler,
  93                 struct boot_command *cmd);
  94 void device_handler_cancel_default(struct device_handler *handler);
  95
  96 #endif /* _DEVICE_HANDLER_H */