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/* Copyright 2020 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#if !defined(__CROS_EC_HOOKS_H) || defined(__CROS_EC_ZEPHYR_HOOKS_SHIM_H)
#error "This file must only be included from hooks.h. Include hooks.h directly."
#endif
#define __CROS_EC_ZEPHYR_HOOKS_SHIM_H
#include <zephyr/init.h>
#include <zephyr/kernel.h>
#include "common.h"
#include "cros_version.h"
/**
* The internal data structure stored for a deferred function.
*/
struct deferred_data {
struct k_work_delayable *work;
};
/**
* See include/hooks.h for documentation.
*/
int hook_call_deferred(const struct deferred_data *data, int us);
#define DECLARE_DEFERRED(routine) \
K_WORK_DELAYABLE_DEFINE(routine##_work_data, \
(void (*)(struct k_work *))routine); \
__maybe_unused const struct deferred_data routine##_data = { \
.work = &routine##_work_data, \
}
/**
* Record describing a single hook routine.
*/
struct zephyr_shim_hook_info {
void (*routine)(void);
uint16_t priority; /* HOOK_PRIO_LAST = 9999 */
};
/*
* List of hook routines.
*
* Values are contiguous, where *start is the first and *(end - 1) is the last.
*/
struct zephyr_shim_hook_list {
const struct zephyr_shim_hook_info *start;
const struct zephyr_shim_hook_info *end;
};
/**
* See include/hooks.h for documentation.
*/
#define DECLARE_HOOK(_hooktype, _routine, _priority) \
STRUCT_SECTION_ITERABLE_ALTERNATE( \
zephyr_shim_hook_##_hooktype, zephyr_shim_hook_info, \
_cros_hook_##_hooktype##_##_routine) = { \
.routine = _routine, \
.priority = _priority, \
}
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