114 lines · c
1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright 2016 Broadcom4 */5 6#ifndef _UTIL_H7#define _UTIL_H8 9#include <linux/kernel.h>10#include <linux/delay.h>11 12#include "spu.h"13 14extern int flow_debug_logging;15extern int packet_debug_logging;16extern int debug_logging_sleep;17 18#ifdef DEBUG19#define flow_log(...) \20 do { \21 if (flow_debug_logging) { \22 printk(__VA_ARGS__); \23 if (debug_logging_sleep) \24 msleep(debug_logging_sleep); \25 } \26 } while (0)27#define flow_dump(msg, var, var_len) \28 do { \29 if (flow_debug_logging) { \30 print_hex_dump(KERN_ALERT, msg, DUMP_PREFIX_NONE, \31 16, 1, var, var_len, false); \32 if (debug_logging_sleep) \33 msleep(debug_logging_sleep); \34 } \35 } while (0)36 37#define packet_log(...) \38 do { \39 if (packet_debug_logging) { \40 printk(__VA_ARGS__); \41 if (debug_logging_sleep) \42 msleep(debug_logging_sleep); \43 } \44 } while (0)45#define packet_dump(msg, var, var_len) \46 do { \47 if (packet_debug_logging) { \48 print_hex_dump(KERN_ALERT, msg, DUMP_PREFIX_NONE, \49 16, 1, var, var_len, false); \50 if (debug_logging_sleep) \51 msleep(debug_logging_sleep); \52 } \53 } while (0)54 55void __dump_sg(struct scatterlist *sg, unsigned int skip, unsigned int len);56 57#define dump_sg(sg, skip, len) __dump_sg(sg, skip, len)58 59#else /* !DEBUG_ON */60 61static inline void flow_log(const char *format, ...)62{63}64 65static inline void flow_dump(const char *msg, const void *var, size_t var_len)66{67}68 69static inline void packet_log(const char *format, ...)70{71}72 73static inline void packet_dump(const char *msg, const void *var, size_t var_len)74{75}76 77static inline void dump_sg(struct scatterlist *sg, unsigned int skip,78 unsigned int len)79{80}81 82#endif /* DEBUG_ON */83 84int spu_sg_at_offset(struct scatterlist *sg, unsigned int skip,85 struct scatterlist **sge, unsigned int *sge_offset);86 87/* Copy sg data, from skip, length len, to dest */88void sg_copy_part_to_buf(struct scatterlist *src, u8 *dest,89 unsigned int len, unsigned int skip);90/* Copy src into scatterlist from offset, length len */91void sg_copy_part_from_buf(struct scatterlist *dest, u8 *src,92 unsigned int len, unsigned int skip);93 94int spu_sg_count(struct scatterlist *sg_list, unsigned int skip, int nbytes);95u32 spu_msg_sg_add(struct scatterlist **to_sg,96 struct scatterlist **from_sg, u32 *skip,97 u8 from_nents, u32 tot_len);98 99void add_to_ctr(u8 *ctr_pos, unsigned int increment);100 101/* produce a message digest from data of length n bytes */102int do_shash(unsigned char *name, unsigned char *result,103 const u8 *data1, unsigned int data1_len,104 const u8 *data2, unsigned int data2_len,105 const u8 *key, unsigned int key_len);106 107char *spu_alg_name(enum spu_cipher_alg alg, enum spu_cipher_mode mode);108 109void spu_setup_debugfs(void);110void spu_free_debugfs(void);111void format_value_ccm(unsigned int val, u8 *buf, u8 len);112 113#endif114