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14#ifndef _ZCRYPT_API_H_
15#define _ZCRYPT_API_H_
16
17#include <linux/atomic.h>
18#include <asm/debug.h>
19#include <asm/zcrypt.h>
20#include "ap_bus.h"
21
22
23
24
25#define ZCRYPT_CEX2C 5
26#define ZCRYPT_CEX2A 6
27#define ZCRYPT_CEX3C 7
28#define ZCRYPT_CEX3A 8
29#define ZCRYPT_CEX4 10
30#define ZCRYPT_CEX5 11
31#define ZCRYPT_CEX6 12
32
33
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36
37
38#define ZCRYPT_RNG_BUFFER_SIZE 4096
39
40
41
42
43enum crypto_ops {
44 MEX_1K,
45 MEX_2K,
46 MEX_4K,
47 CRT_1K,
48 CRT_2K,
49 CRT_4K,
50 HWRNG,
51 SECKEY,
52 NUM_OPS
53};
54
55struct zcrypt_queue;
56
57struct zcrypt_ops {
58 long (*rsa_modexpo)(struct zcrypt_queue *, struct ica_rsa_modexpo *);
59 long (*rsa_modexpo_crt)(struct zcrypt_queue *,
60 struct ica_rsa_modexpo_crt *);
61 long (*send_cprb)(struct zcrypt_queue *, struct ica_xcRB *,
62 struct ap_message *);
63 long (*send_ep11_cprb)(struct zcrypt_queue *, struct ep11_urb *,
64 struct ap_message *);
65 long (*rng)(struct zcrypt_queue *, char *, struct ap_message *);
66 struct list_head list;
67 struct module *owner;
68 int variant;
69 char name[128];
70};
71
72struct zcrypt_card {
73 struct list_head list;
74 struct list_head zqueues;
75 struct kref refcount;
76 struct ap_card *card;
77 int online;
78
79 int user_space_type;
80 char *type_string;
81 int min_mod_size;
82 int max_mod_size;
83 int max_exp_bit_length;
84 int speed_rating[NUM_OPS];
85 atomic_t load;
86
87 int request_count;
88};
89
90struct zcrypt_queue {
91 struct list_head list;
92 struct kref refcount;
93 struct zcrypt_card *zcard;
94 struct zcrypt_ops *ops;
95 struct ap_queue *queue;
96 int online;
97
98 atomic_t load;
99
100 int request_count;
101
102 struct ap_message reply;
103};
104
105
106extern atomic_t zcrypt_rescan_req;
107
108extern spinlock_t zcrypt_list_lock;
109extern int zcrypt_device_count;
110extern struct list_head zcrypt_card_list;
111
112#define for_each_zcrypt_card(_zc) \
113 list_for_each_entry(_zc, &zcrypt_card_list, list)
114
115#define for_each_zcrypt_queue(_zq, _zc) \
116 list_for_each_entry(_zq, &(_zc)->zqueues, list)
117
118struct zcrypt_card *zcrypt_card_alloc(void);
119void zcrypt_card_free(struct zcrypt_card *);
120void zcrypt_card_get(struct zcrypt_card *);
121int zcrypt_card_put(struct zcrypt_card *);
122int zcrypt_card_register(struct zcrypt_card *);
123void zcrypt_card_unregister(struct zcrypt_card *);
124struct zcrypt_card *zcrypt_card_get_best(unsigned int *,
125 unsigned int, unsigned int);
126void zcrypt_card_put_best(struct zcrypt_card *, unsigned int);
127
128struct zcrypt_queue *zcrypt_queue_alloc(size_t);
129void zcrypt_queue_free(struct zcrypt_queue *);
130void zcrypt_queue_get(struct zcrypt_queue *);
131int zcrypt_queue_put(struct zcrypt_queue *);
132int zcrypt_queue_register(struct zcrypt_queue *);
133void zcrypt_queue_unregister(struct zcrypt_queue *);
134void zcrypt_queue_force_online(struct zcrypt_queue *, int);
135struct zcrypt_queue *zcrypt_queue_get_best(unsigned int, unsigned int);
136void zcrypt_queue_put_best(struct zcrypt_queue *, unsigned int);
137
138int zcrypt_rng_device_add(void);
139void zcrypt_rng_device_remove(void);
140
141void zcrypt_msgtype_register(struct zcrypt_ops *);
142void zcrypt_msgtype_unregister(struct zcrypt_ops *);
143struct zcrypt_ops *zcrypt_msgtype(unsigned char *, int);
144int zcrypt_api_init(void);
145void zcrypt_api_exit(void);
146long zcrypt_send_cprb(struct ica_xcRB *xcRB);
147void zcrypt_device_status_mask_ext(struct zcrypt_device_status_ext *devstatus);
148
149#endif
150