1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright 2016 Broadcom |
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 | static inline void flow_log(const char *format, ...) |
62 | { |
63 | } |
64 | |
65 | static inline void flow_dump(const char *msg, const void *var, size_t var_len) |
66 | { |
67 | } |
68 | |
69 | static inline void packet_log(const char *format, ...) |
70 | { |
71 | } |
72 | |
73 | static inline void packet_dump(const char *msg, const void *var, size_t var_len) |
74 | { |
75 | } |
76 | |
77 | static inline void dump_sg(struct scatterlist *sg, unsigned int skip, |
78 | unsigned int len) |
79 | { |
80 | } |
81 | |
82 | #endif /* DEBUG_ON */ |
83 | |
84 | int 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 */ |
88 | void 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 */ |
91 | void sg_copy_part_from_buf(struct scatterlist *dest, u8 *src, |
92 | unsigned int len, unsigned int skip); |
93 | |
94 | int spu_sg_count(struct scatterlist *sg_list, unsigned int skip, int nbytes); |
95 | u32 spu_msg_sg_add(struct scatterlist **to_sg, |
96 | struct scatterlist **from_sg, u32 *skip, |
97 | u8 from_nents, u32 tot_len); |
98 | |
99 | void add_to_ctr(u8 *ctr_pos, unsigned int increment); |
100 | |
101 | /* produce a message digest from data of length n bytes */ |
102 | int 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 | |
107 | char *spu_alg_name(enum spu_cipher_alg alg, enum spu_cipher_mode mode); |
108 | |
109 | void spu_setup_debugfs(void); |
110 | void spu_free_debugfs(void); |
111 | void format_value_ccm(unsigned int val, u8 *buf, u8 len); |
112 | |
113 | #endif |
114 | |