linux/drivers/crypto/bcm/util.h
Thomas Gleixner cb849fc5f0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 459
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 version 2 as
  published by the free software foundation the gpl 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
  version 2 gplv2 for more details you should have received a copy of
  the gnu general public license version 2 gplv2 along with this
  source code

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 16 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081201.771169395@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:09 +02:00

100 lines
3.0 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2016 Broadcom
*/
#ifndef _UTIL_H
#define _UTIL_H
#include <linux/kernel.h>
#include <linux/delay.h>
#include "spu.h"
extern int flow_debug_logging;
extern int packet_debug_logging;
extern int debug_logging_sleep;
#ifdef DEBUG
#define flow_log(...) \
do { \
if (flow_debug_logging) { \
printk(__VA_ARGS__); \
if (debug_logging_sleep) \
msleep(debug_logging_sleep); \
} \
} while (0)
#define flow_dump(msg, var, var_len) \
do { \
if (flow_debug_logging) { \
print_hex_dump(KERN_ALERT, msg, DUMP_PREFIX_NONE, \
16, 1, var, var_len, false); \
if (debug_logging_sleep) \
msleep(debug_logging_sleep); \
} \
} while (0)
#define packet_log(...) \
do { \
if (packet_debug_logging) { \
printk(__VA_ARGS__); \
if (debug_logging_sleep) \
msleep(debug_logging_sleep); \
} \
} while (0)
#define packet_dump(msg, var, var_len) \
do { \
if (packet_debug_logging) { \
print_hex_dump(KERN_ALERT, msg, DUMP_PREFIX_NONE, \
16, 1, var, var_len, false); \
if (debug_logging_sleep) \
msleep(debug_logging_sleep); \
} \
} while (0)
void __dump_sg(struct scatterlist *sg, unsigned int skip, unsigned int len);
#define dump_sg(sg, skip, len) __dump_sg(sg, skip, len)
#else /* !DEBUG_ON */
#define flow_log(...) do {} while (0)
#define flow_dump(msg, var, var_len) do {} while (0)
#define packet_log(...) do {} while (0)
#define packet_dump(msg, var, var_len) do {} while (0)
#define dump_sg(sg, skip, len) do {} while (0)
#endif /* DEBUG_ON */
int spu_sg_at_offset(struct scatterlist *sg, unsigned int skip,
struct scatterlist **sge, unsigned int *sge_offset);
/* Copy sg data, from skip, length len, to dest */
void sg_copy_part_to_buf(struct scatterlist *src, u8 *dest,
unsigned int len, unsigned int skip);
/* Copy src into scatterlist from offset, length len */
void sg_copy_part_from_buf(struct scatterlist *dest, u8 *src,
unsigned int len, unsigned int skip);
int spu_sg_count(struct scatterlist *sg_list, unsigned int skip, int nbytes);
u32 spu_msg_sg_add(struct scatterlist **to_sg,
struct scatterlist **from_sg, u32 *skip,
u8 from_nents, u32 tot_len);
void add_to_ctr(u8 *ctr_pos, unsigned int increment);
/* produce a message digest from data of length n bytes */
int do_shash(unsigned char *name, unsigned char *result,
const u8 *data1, unsigned int data1_len,
const u8 *data2, unsigned int data2_len,
const u8 *key, unsigned int key_len);
char *spu_alg_name(enum spu_cipher_alg alg, enum spu_cipher_mode mode);
void spu_setup_debugfs(void);
void spu_free_debugfs(void);
void format_value_ccm(unsigned int val, u8 *buf, u8 len);
#endif