|  | /* | 
|  | *  Castagnoli CRC32C Checksum Algorithm | 
|  | * | 
|  | *  Polynomial: 0x11EDC6F41 | 
|  | * | 
|  | *  Castagnoli93: Guy Castagnoli and Stefan Braeuer and Martin Herrman | 
|  | *               "Optimization of Cyclic Redundancy-Check Codes with 24 | 
|  | *                 and 32 Parity Bits",IEEE Transactions on Communication, | 
|  | *                Volume 41, Number 6, June 1993 | 
|  | * | 
|  | *  Copyright (c) 2013 Red Hat, Inc., | 
|  | * | 
|  | *  Authors: | 
|  | *   Jeff Cody <jcody@redhat.com> | 
|  | * | 
|  | *  Based on the Linux kernel cryptographic crc32c module, | 
|  | * | 
|  | *  Copyright (c) 2004 Cisco Systems, Inc. | 
|  | *  Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au> | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify it | 
|  | * under the terms of the GNU General Public License as published by the Free | 
|  | * Software Foundation; either version 2 of the License, or (at your option) | 
|  | * any later version. | 
|  | * | 
|  | */ | 
|  |  | 
|  | #ifndef QEMU_CRC32C_H | 
|  | #define QEMU_CRC32C_H | 
|  |  | 
|  | #include "qemu-common.h" | 
|  |  | 
|  | uint32_t crc32c(uint32_t crc, const uint8_t *data, unsigned int length); | 
|  |  | 
|  | #endif |