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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | /* * Copyright 2016 Broadcom * * 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. */ #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); /* do a synchronous decrypt operation */ int do_decrypt(char *alg_name, void *key_ptr, unsigned int key_len, void *iv_ptr, void *src_ptr, void *dst_ptr, unsigned int block_len); /* 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 |