1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright 2016 Broadcom 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef _UTIL_H 7*4882a593Smuzhiyun #define _UTIL_H 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <linux/kernel.h> 10*4882a593Smuzhiyun #include <linux/delay.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include "spu.h" 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun extern int flow_debug_logging; 15*4882a593Smuzhiyun extern int packet_debug_logging; 16*4882a593Smuzhiyun extern int debug_logging_sleep; 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #ifdef DEBUG 19*4882a593Smuzhiyun #define flow_log(...) \ 20*4882a593Smuzhiyun do { \ 21*4882a593Smuzhiyun if (flow_debug_logging) { \ 22*4882a593Smuzhiyun printk(__VA_ARGS__); \ 23*4882a593Smuzhiyun if (debug_logging_sleep) \ 24*4882a593Smuzhiyun msleep(debug_logging_sleep); \ 25*4882a593Smuzhiyun } \ 26*4882a593Smuzhiyun } while (0) 27*4882a593Smuzhiyun #define flow_dump(msg, var, var_len) \ 28*4882a593Smuzhiyun do { \ 29*4882a593Smuzhiyun if (flow_debug_logging) { \ 30*4882a593Smuzhiyun print_hex_dump(KERN_ALERT, msg, DUMP_PREFIX_NONE, \ 31*4882a593Smuzhiyun 16, 1, var, var_len, false); \ 32*4882a593Smuzhiyun if (debug_logging_sleep) \ 33*4882a593Smuzhiyun msleep(debug_logging_sleep); \ 34*4882a593Smuzhiyun } \ 35*4882a593Smuzhiyun } while (0) 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun #define packet_log(...) \ 38*4882a593Smuzhiyun do { \ 39*4882a593Smuzhiyun if (packet_debug_logging) { \ 40*4882a593Smuzhiyun printk(__VA_ARGS__); \ 41*4882a593Smuzhiyun if (debug_logging_sleep) \ 42*4882a593Smuzhiyun msleep(debug_logging_sleep); \ 43*4882a593Smuzhiyun } \ 44*4882a593Smuzhiyun } while (0) 45*4882a593Smuzhiyun #define packet_dump(msg, var, var_len) \ 46*4882a593Smuzhiyun do { \ 47*4882a593Smuzhiyun if (packet_debug_logging) { \ 48*4882a593Smuzhiyun print_hex_dump(KERN_ALERT, msg, DUMP_PREFIX_NONE, \ 49*4882a593Smuzhiyun 16, 1, var, var_len, false); \ 50*4882a593Smuzhiyun if (debug_logging_sleep) \ 51*4882a593Smuzhiyun msleep(debug_logging_sleep); \ 52*4882a593Smuzhiyun } \ 53*4882a593Smuzhiyun } while (0) 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun void __dump_sg(struct scatterlist *sg, unsigned int skip, unsigned int len); 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun #define dump_sg(sg, skip, len) __dump_sg(sg, skip, len) 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun #else /* !DEBUG_ON */ 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun #define flow_log(...) do {} while (0) 62*4882a593Smuzhiyun #define flow_dump(msg, var, var_len) do {} while (0) 63*4882a593Smuzhiyun #define packet_log(...) do {} while (0) 64*4882a593Smuzhiyun #define packet_dump(msg, var, var_len) do {} while (0) 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun #define dump_sg(sg, skip, len) do {} while (0) 67*4882a593Smuzhiyun 68*4882a593Smuzhiyun #endif /* DEBUG_ON */ 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun int spu_sg_at_offset(struct scatterlist *sg, unsigned int skip, 71*4882a593Smuzhiyun struct scatterlist **sge, unsigned int *sge_offset); 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun /* Copy sg data, from skip, length len, to dest */ 74*4882a593Smuzhiyun void sg_copy_part_to_buf(struct scatterlist *src, u8 *dest, 75*4882a593Smuzhiyun unsigned int len, unsigned int skip); 76*4882a593Smuzhiyun /* Copy src into scatterlist from offset, length len */ 77*4882a593Smuzhiyun void sg_copy_part_from_buf(struct scatterlist *dest, u8 *src, 78*4882a593Smuzhiyun unsigned int len, unsigned int skip); 79*4882a593Smuzhiyun 80*4882a593Smuzhiyun int spu_sg_count(struct scatterlist *sg_list, unsigned int skip, int nbytes); 81*4882a593Smuzhiyun u32 spu_msg_sg_add(struct scatterlist **to_sg, 82*4882a593Smuzhiyun struct scatterlist **from_sg, u32 *skip, 83*4882a593Smuzhiyun u8 from_nents, u32 tot_len); 84*4882a593Smuzhiyun 85*4882a593Smuzhiyun void add_to_ctr(u8 *ctr_pos, unsigned int increment); 86*4882a593Smuzhiyun 87*4882a593Smuzhiyun /* produce a message digest from data of length n bytes */ 88*4882a593Smuzhiyun int do_shash(unsigned char *name, unsigned char *result, 89*4882a593Smuzhiyun const u8 *data1, unsigned int data1_len, 90*4882a593Smuzhiyun const u8 *data2, unsigned int data2_len, 91*4882a593Smuzhiyun const u8 *key, unsigned int key_len); 92*4882a593Smuzhiyun 93*4882a593Smuzhiyun char *spu_alg_name(enum spu_cipher_alg alg, enum spu_cipher_mode mode); 94*4882a593Smuzhiyun 95*4882a593Smuzhiyun void spu_setup_debugfs(void); 96*4882a593Smuzhiyun void spu_free_debugfs(void); 97*4882a593Smuzhiyun void format_value_ccm(unsigned int val, u8 *buf, u8 len); 98*4882a593Smuzhiyun 99*4882a593Smuzhiyun #endif 100