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efi_loader: implement RegisterProtocolNotify()

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The RegisterProtocolNotify() boot service registers an event to be
notified upon the installation of a protocol interface with the
specified GUID.

Add the missing implementation.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt
2019-05-04 17:27:54 +02:00
parent 3626e53990
commit ab15d4149e
2 changed files with 88 additions and 14 deletions
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19
include/efi_loader.h
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@@ -271,6 +271,25 @@ extern struct list_head efi_obj_list;
/* List of all events */
extern struct list_head efi_events;
/**
* efi_register_notify_event - event registered by RegisterProtocolNotify()
*
* The address of this structure serves as registration value.
*
* @link: link to list of all registered events
* @event: registered event. The same event may registered for
* multiple GUIDs.
* @protocol: protocol for which the event is registered
*/
struct efi_register_notify_event {
struct list_head link;
struct efi_event *event;
efi_guid_t protocol;
};
/* List of all events registered by RegisterProtocolNotify() */
extern struct list_head efi_register_notify_events;
/* Initialize efi execution environment */
efi_status_t efi_init_obj_list(void);
/* Called by bootefi to initialize root node */