/* SPDX-License-Identifier: BSD-3-Clause */ /* * This is a copy from upstream: * https://chromium.googlesource.com/chromiumos/platform/vpd/+/master/include/lib/vpd_decode.h */ #ifndef __VPD_DECODE_H #define __VPD_DECODE_H #include <stdint.h> enum { VPD_DECODE_OK = 0, VPD_DECODE_FAIL = 1, }; enum { VPD_TYPE_TERMINATOR = 0, VPD_TYPE_STRING, VPD_TYPE_INFO = 0xfe, VPD_TYPE_IMPLICIT_TERMINATOR = 0xff, }; /* Callback for vpd_decode_string to invoke. */ typedef int vpd_decode_callback( const u8 *key, u32 key_len, const u8 *value, u32 value_len, void *arg); /* * vpd_decode_string * * Given the encoded string, this function invokes callback with extracted * (key, value). The *consumed will be incremented by the number of bytes * consumed in this function. * * The input_buf points to the first byte of the input buffer. * * The *consumed starts from 0, which is actually the next byte to be decoded. * It can be non-zero to be used in multiple calls. * * If one entry is successfully decoded, sends it to callback and returns the * result. */ int vpd_decode_string( const u32 max_len, const u8 *input_buf, u32 *consumed, vpd_decode_callback callback, void *callback_arg); #endif /* __VPD_DECODE_H */