blob: 208effd8d13e44258a5139a544cbc7d1ffead740 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2011 The Chromium OS Authors.
*/
#ifndef __INITCALL_H
#define __INITCALL_H
#include <asm/types.h>
#include <event.h>
_Static_assert(EVT_COUNT < 256, "Can only support 256 event types with 8 bits");
/**
* init_fnc_t - Init function
*
* Return: 0 if OK -ve on error
*/
typedef int (*init_fnc_t)(void);
/* Top bit indicates that the initcall is an event */
#define INITCALL_IS_EVENT GENMASK(BITS_PER_LONG - 1, 8)
#define INITCALL_EVENT_TYPE GENMASK(7, 0)
#define INITCALL_EVENT(_type) (void *)((_type) | INITCALL_IS_EVENT)
/**
* initcall_run_list() - Run through a list of function calls
*
* This calls functions one after the other, stopping at the first error, or
* when NULL is obtained.
*
* @init_sequence: NULL-terminated init sequence to run
* Return: 0 if OK, or -ve error code from the first failure
*/
int initcall_run_list(const init_fnc_t init_sequence[]);
/**
* initcall_manual_reloc() - Do manual relocation on an initcall sequence
*
* @init_sequence: NULL-terminated init sequence to relocate
*/
void initcall_manual_reloc(init_fnc_t init_sequence[]);
#endif