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1da177e4 LT |
1 | /* |
2 | * Cryptographic API. | |
3 | * | |
4 | * Support for z990 cryptographic instructions. | |
5 | * Testing module for querying processor crypto capabilities. | |
6 | * | |
7 | * Copyright (c) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation | |
8 | * Author(s): Thomas Spatzier (tspat@de.ibm.com) | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify it | |
11 | * under the terms of the GNU General Public License as published by the Free | |
12 | * Software Foundation; either version 2 of the License, or (at your option) | |
13 | * any later version. | |
14 | * | |
15 | */ | |
16 | #include <linux/module.h> | |
17 | #include <linux/init.h> | |
18 | #include <linux/kernel.h> | |
19 | #include <asm/errno.h> | |
20 | #include "crypt_z990.h" | |
21 | ||
22 | static void | |
23 | query_available_functions(void) | |
24 | { | |
25 | printk(KERN_INFO "#####################\n"); | |
26 | //query available KM functions | |
27 | printk(KERN_INFO "KM_QUERY: %d\n", | |
28 | crypt_z990_func_available(KM_QUERY)); | |
29 | printk(KERN_INFO "KM_DEA: %d\n", | |
30 | crypt_z990_func_available(KM_DEA_ENCRYPT)); | |
31 | printk(KERN_INFO "KM_TDEA_128: %d\n", | |
32 | crypt_z990_func_available(KM_TDEA_128_ENCRYPT)); | |
33 | printk(KERN_INFO "KM_TDEA_192: %d\n", | |
34 | crypt_z990_func_available(KM_TDEA_192_ENCRYPT)); | |
35 | //query available KMC functions | |
36 | printk(KERN_INFO "KMC_QUERY: %d\n", | |
37 | crypt_z990_func_available(KMC_QUERY)); | |
38 | printk(KERN_INFO "KMC_DEA: %d\n", | |
39 | crypt_z990_func_available(KMC_DEA_ENCRYPT)); | |
40 | printk(KERN_INFO "KMC_TDEA_128: %d\n", | |
41 | crypt_z990_func_available(KMC_TDEA_128_ENCRYPT)); | |
42 | printk(KERN_INFO "KMC_TDEA_192: %d\n", | |
43 | crypt_z990_func_available(KMC_TDEA_192_ENCRYPT)); | |
44 | //query available KIMD fucntions | |
45 | printk(KERN_INFO "KIMD_QUERY: %d\n", | |
46 | crypt_z990_func_available(KIMD_QUERY)); | |
47 | printk(KERN_INFO "KIMD_SHA_1: %d\n", | |
48 | crypt_z990_func_available(KIMD_SHA_1)); | |
49 | //query available KLMD functions | |
50 | printk(KERN_INFO "KLMD_QUERY: %d\n", | |
51 | crypt_z990_func_available(KLMD_QUERY)); | |
52 | printk(KERN_INFO "KLMD_SHA_1: %d\n", | |
53 | crypt_z990_func_available(KLMD_SHA_1)); | |
54 | //query available KMAC functions | |
55 | printk(KERN_INFO "KMAC_QUERY: %d\n", | |
56 | crypt_z990_func_available(KMAC_QUERY)); | |
57 | printk(KERN_INFO "KMAC_DEA: %d\n", | |
58 | crypt_z990_func_available(KMAC_DEA)); | |
59 | printk(KERN_INFO "KMAC_TDEA_128: %d\n", | |
60 | crypt_z990_func_available(KMAC_TDEA_128)); | |
61 | printk(KERN_INFO "KMAC_TDEA_192: %d\n", | |
62 | crypt_z990_func_available(KMAC_TDEA_192)); | |
63 | } | |
64 | ||
65 | static int | |
66 | init(void) | |
67 | { | |
68 | struct crypt_z990_query_status status = { | |
69 | .high = 0, | |
70 | .low = 0 | |
71 | }; | |
72 | ||
73 | printk(KERN_INFO "crypt_z990: querying available crypto functions\n"); | |
74 | crypt_z990_km(KM_QUERY, &status, NULL, NULL, 0); | |
75 | printk(KERN_INFO "KM: %016llx %016llx\n", | |
76 | (unsigned long long) status.high, | |
77 | (unsigned long long) status.low); | |
78 | status.high = status.low = 0; | |
79 | crypt_z990_kmc(KMC_QUERY, &status, NULL, NULL, 0); | |
80 | printk(KERN_INFO "KMC: %016llx %016llx\n", | |
81 | (unsigned long long) status.high, | |
82 | (unsigned long long) status.low); | |
83 | status.high = status.low = 0; | |
84 | crypt_z990_kimd(KIMD_QUERY, &status, NULL, 0); | |
85 | printk(KERN_INFO "KIMD: %016llx %016llx\n", | |
86 | (unsigned long long) status.high, | |
87 | (unsigned long long) status.low); | |
88 | status.high = status.low = 0; | |
89 | crypt_z990_klmd(KLMD_QUERY, &status, NULL, 0); | |
90 | printk(KERN_INFO "KLMD: %016llx %016llx\n", | |
91 | (unsigned long long) status.high, | |
92 | (unsigned long long) status.low); | |
93 | status.high = status.low = 0; | |
94 | crypt_z990_kmac(KMAC_QUERY, &status, NULL, 0); | |
95 | printk(KERN_INFO "KMAC: %016llx %016llx\n", | |
96 | (unsigned long long) status.high, | |
97 | (unsigned long long) status.low); | |
98 | ||
99 | query_available_functions(); | |
100 | return -1; | |
101 | } | |
102 | ||
103 | static void __exit | |
104 | cleanup(void) | |
105 | { | |
106 | } | |
107 | ||
108 | module_init(init); | |
109 | module_exit(cleanup); | |
110 | ||
111 | MODULE_LICENSE("GPL"); |