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efi_loader: manage events in a linked list

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Lift the limit on the number of events by using a linked list.

This also allows to have events with type == 0.

This patch is based on Rob's patch
efi_loader: fix events
https://lists.denx.de/pipermail/u-boot/2017-October/309348.html

Suggested-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt 2018-02-18 15:17:50 +01:00 • committed by Alexander Graf
parent ab9efa979c
commit 43bce44262
2 changed files with 93 additions and 110 deletions
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11
include/efi_loader.h
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@ -150,17 +150,19 @@ struct efi_object {
/**
* struct efi_event
*
* @link: Link to list of all events
* @type: Type of event, see efi_create_event
* @notify_tpl: Task priority level of notifications
* @trigger_time: Period of the timer
* @trigger_next: Next time to trigger the timer
* @nofify_function: Function to call when the event is triggered
* @notify_context: Data to be passed to the notify function
* @trigger_time: Period of the timer
* @trigger_next: Next time to trigger the timer
* @trigger_type: Type of timer, see efi_set_timer
* @queued: The notification function is queued
* @signaled: The event occurred. The event is in the signaled state.
* @is_queued: The notification function is queued
* @is_signaled: The event occurred. The event is in the signaled state.
*/
struct efi_event {
struct list_head link;
uint32_t type;
efi_uintn_t notify_tpl;
void (EFIAPI *notify_function)(struct efi_event *event, void *context);
@ -172,7 +174,6 @@ struct efi_event {
bool is_signaled;
};
/* This list contains all UEFI objects we know of */
extern struct list_head efi_obj_list;