xref: /openbmc/u-boot/include/fastboot.h (revision 4085b903)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2008 - 2009
4  * Windriver, <www.windriver.com>
5  * Tom Rix <Tom.Rix@windriver.com>
6  *
7  * Copyright 2011 Sebastian Andrzej Siewior <bigeasy@linutronix.de>
8  *
9  * Copyright 2014 Linaro, Ltd.
10  * Rob Herring <robh@kernel.org>
11  */
12 #ifndef _FASTBOOT_H_
13 #define _FASTBOOT_H_
14 
15 #define FASTBOOT_VERSION	"0.4"
16 
17 /* The 64 defined bytes plus \0 */
18 #define FASTBOOT_RESPONSE_LEN	(64 + 1)
19 
20 /**
21  * fastboot_response() - Writes a response of the form "$tag$reason".
22  *
23  * @tag: The first part of the response
24  * @response: Pointer to fastboot response buffer
25  * @format: printf style format string
26  */
27 void fastboot_response(const char *tag, char *response,
28 		       const char *format, ...)
29 	__attribute__ ((format (__printf__, 3, 4)));
30 
31 /**
32  * fastboot_fail() - Write a FAIL response of the form "FAIL$reason".
33  *
34  * @reason: Pointer to returned reason string
35  * @response: Pointer to fastboot response buffer
36  */
37 void fastboot_fail(const char *reason, char *response);
38 
39 /**
40  * fastboot_okay() - Write an OKAY response of the form "OKAY$reason".
41  *
42  * @reason: Pointer to returned reason string, or NULL to send a bare "OKAY"
43  * @response: Pointer to fastboot response buffer
44  */
45 void fastboot_okay(const char *reason, char *response);
46 int fastboot_set_reboot_flag(void);
47 #endif /* _FASTBOOT_H_ */
48