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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license v2 0 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 23 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141901.115786599@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* vpd_decode.h
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*
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* Google VPD decoding routines.
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*
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* Copyright 2017 Google Inc.
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*/
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#ifndef __VPD_DECODE_H
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#define __VPD_DECODE_H
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#include <linux/types.h>
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enum {
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VPD_OK = 0,
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VPD_FAIL,
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};
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enum {
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VPD_TYPE_TERMINATOR = 0,
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VPD_TYPE_STRING,
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VPD_TYPE_INFO = 0xfe,
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VPD_TYPE_IMPLICIT_TERMINATOR = 0xff,
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};
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/* Callback for vpd_decode_string to invoke. */
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typedef int vpd_decode_callback(const u8 *key, s32 key_len,
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const u8 *value, s32 value_len,
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void *arg);
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/*
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* vpd_decode_string
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*
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* Given the encoded string, this function invokes callback with extracted
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* (key, value). The *consumed will be plused the number of bytes consumed in
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* this function.
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*
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* The input_buf points to the first byte of the input buffer.
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*
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* The *consumed starts from 0, which is actually the next byte to be decoded.
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* It can be non-zero to be used in multiple calls.
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*
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* If one entry is successfully decoded, sends it to callback and returns the
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* result.
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*/
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int vpd_decode_string(const s32 max_len, const u8 *input_buf, s32 *consumed,
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vpd_decode_callback callback, void *callback_arg);
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#endif /* __VPD_DECODE_H */
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