| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Copyright 2016 Broadcom |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 4 | */ |
| 5 | |
| 6 | #ifndef _UTIL_H |
| 7 | #define _UTIL_H |
| 8 | |
| 9 | #include <linux/kernel.h> |
| 10 | #include <linux/delay.h> |
| 11 | |
| 12 | #include "spu.h" |
| 13 | |
| 14 | extern int flow_debug_logging; |
| 15 | extern int packet_debug_logging; |
| 16 | extern int debug_logging_sleep; |
| 17 | |
| 18 | #ifdef DEBUG |
| 19 | #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 | |
| 55 | void __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 | |
| 61 | #define flow_log(...) do {} while (0) |
| 62 | #define flow_dump(msg, var, var_len) do {} while (0) |
| 63 | #define packet_log(...) do {} while (0) |
| 64 | #define packet_dump(msg, var, var_len) do {} while (0) |
| 65 | |
| 66 | #define dump_sg(sg, skip, len) do {} while (0) |
| 67 | |
| 68 | #endif /* DEBUG_ON */ |
| 69 | |
| 70 | int spu_sg_at_offset(struct scatterlist *sg, unsigned int skip, |
| 71 | struct scatterlist **sge, unsigned int *sge_offset); |
| 72 | |
| 73 | /* Copy sg data, from skip, length len, to dest */ |
| 74 | void sg_copy_part_to_buf(struct scatterlist *src, u8 *dest, |
| 75 | unsigned int len, unsigned int skip); |
| 76 | /* Copy src into scatterlist from offset, length len */ |
| 77 | void sg_copy_part_from_buf(struct scatterlist *dest, u8 *src, |
| 78 | unsigned int len, unsigned int skip); |
| 79 | |
| 80 | int spu_sg_count(struct scatterlist *sg_list, unsigned int skip, int nbytes); |
| 81 | u32 spu_msg_sg_add(struct scatterlist **to_sg, |
| 82 | struct scatterlist **from_sg, u32 *skip, |
| 83 | u8 from_nents, u32 tot_len); |
| 84 | |
| 85 | void add_to_ctr(u8 *ctr_pos, unsigned int increment); |
| 86 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 87 | /* produce a message digest from data of length n bytes */ |
| 88 | int do_shash(unsigned char *name, unsigned char *result, |
| 89 | const u8 *data1, unsigned int data1_len, |
| 90 | const u8 *data2, unsigned int data2_len, |
| 91 | const u8 *key, unsigned int key_len); |
| 92 | |
| 93 | char *spu_alg_name(enum spu_cipher_alg alg, enum spu_cipher_mode mode); |
| 94 | |
| 95 | void spu_setup_debugfs(void); |
| 96 | void spu_free_debugfs(void); |
| 97 | void format_value_ccm(unsigned int val, u8 *buf, u8 len); |
| 98 | |
| 99 | #endif |