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22#ifndef __CRYPTO4XX_CORE_H__
23#define __CRYPTO4XX_CORE_H__
24
25#include <crypto/internal/hash.h>
26
27#define PPC460SX_SDR0_SRST 0x201
28#define PPC405EX_SDR0_SRST 0x200
29#define PPC460EX_SDR0_SRST 0x201
30#define PPC460EX_CE_RESET 0x08000000
31#define PPC460SX_CE_RESET 0x20000000
32#define PPC405EX_CE_RESET 0x00000008
33
34#define CRYPTO4XX_CRYPTO_PRIORITY 300
35#define PPC4XX_LAST_PD 63
36#define PPC4XX_NUM_PD 64
37#define PPC4XX_LAST_GD 1023
38#define PPC4XX_NUM_GD 1024
39#define PPC4XX_LAST_SD 63
40#define PPC4XX_NUM_SD 64
41#define PPC4XX_SD_BUFFER_SIZE 2048
42
43#define PD_ENTRY_INUSE 1
44#define PD_ENTRY_FREE 0
45#define ERING_WAS_FULL 0xffffffff
46
47struct crypto4xx_device;
48
49struct pd_uinfo {
50 struct crypto4xx_device *dev;
51 u32 state;
52 u32 using_sd;
53 u32 first_gd;
54
55 u32 num_gd;
56
57 u32 first_sd;
58
59 u32 num_sd;
60
61 void *sa_va;
62 u32 sa_pa;
63 void *sr_va;
64 u32 sr_pa;
65 struct scatterlist *dest_va;
66 struct crypto_async_request *async_req;
67
68};
69
70struct crypto4xx_device {
71 struct crypto4xx_core_device *core_dev;
72 char *name;
73 u64 ce_phy_address;
74 void __iomem *ce_base;
75
76 void *pdr;
77
78 dma_addr_t pdr_pa;
79
80 void *gdr;
81 dma_addr_t gdr_pa;
82
83 void *sdr;
84 dma_addr_t sdr_pa;
85
86 void *scatter_buffer_va;
87 dma_addr_t scatter_buffer_pa;
88 u32 scatter_buffer_size;
89
90 void *shadow_sa_pool;
91 dma_addr_t shadow_sa_pool_pa;
92 void *shadow_sr_pool;
93 dma_addr_t shadow_sr_pool_pa;
94 u32 pdr_tail;
95 u32 pdr_head;
96 u32 gdr_tail;
97 u32 gdr_head;
98 u32 sdr_tail;
99 u32 sdr_head;
100 void *pdr_uinfo;
101 struct list_head alg_list;
102
103};
104
105struct crypto4xx_core_device {
106 struct device *device;
107 struct of_device *ofdev;
108 struct crypto4xx_device *dev;
109 u32 int_status;
110 u32 irq;
111 struct tasklet_struct tasklet;
112 spinlock_t lock;
113};
114
115struct crypto4xx_ctx {
116 struct crypto4xx_device *dev;
117 void *sa_in;
118 dma_addr_t sa_in_dma_addr;
119 void *sa_out;
120 dma_addr_t sa_out_dma_addr;
121 void *state_record;
122 dma_addr_t state_record_dma_addr;
123 u32 sa_len;
124 u32 offset_to_sr_ptr;
125 u32 direction;
126 u32 next_hdr;
127 u32 save_iv;
128 u32 pd_ctl_len;
129 u32 pd_ctl;
130 u32 bypass;
131 u32 is_hash;
132 u32 hash_final;
133};
134
135struct crypto4xx_req_ctx {
136 struct crypto4xx_device *dev;
137
138 void *sa;
139 u32 sa_dma_addr;
140 u16 sa_len;
141};
142
143struct crypto4xx_alg_common {
144 u32 type;
145 union {
146 struct crypto_alg cipher;
147 struct ahash_alg hash;
148 } u;
149};
150
151struct crypto4xx_alg {
152 struct list_head entry;
153 struct crypto4xx_alg_common alg;
154 struct crypto4xx_device *dev;
155};
156
157static inline struct crypto4xx_alg *crypto_alg_to_crypto4xx_alg(
158 struct crypto_alg *x)
159{
160 switch (x->cra_flags & CRYPTO_ALG_TYPE_MASK) {
161 case CRYPTO_ALG_TYPE_AHASH:
162 return container_of(__crypto_ahash_alg(x),
163 struct crypto4xx_alg, alg.u.hash);
164 }
165
166 return container_of(x, struct crypto4xx_alg, alg.u.cipher);
167}
168
169extern int crypto4xx_alloc_sa(struct crypto4xx_ctx *ctx, u32 size);
170extern void crypto4xx_free_sa(struct crypto4xx_ctx *ctx);
171extern u32 crypto4xx_alloc_sa_rctx(struct crypto4xx_ctx *ctx,
172 struct crypto4xx_ctx *rctx);
173extern void crypto4xx_free_sa_rctx(struct crypto4xx_ctx *rctx);
174extern void crypto4xx_free_ctx(struct crypto4xx_ctx *ctx);
175extern u32 crypto4xx_alloc_state_record(struct crypto4xx_ctx *ctx);
176extern u32 get_dynamic_sa_offset_state_ptr_field(struct crypto4xx_ctx *ctx);
177extern u32 get_dynamic_sa_offset_key_field(struct crypto4xx_ctx *ctx);
178extern u32 get_dynamic_sa_iv_size(struct crypto4xx_ctx *ctx);
179extern void crypto4xx_memcpy_le(unsigned int *dst,
180 const unsigned char *buf, int len);
181extern u32 crypto4xx_build_pd(struct crypto_async_request *req,
182 struct crypto4xx_ctx *ctx,
183 struct scatterlist *src,
184 struct scatterlist *dst,
185 unsigned int datalen,
186 void *iv, u32 iv_len);
187extern int crypto4xx_setkey_aes_cbc(struct crypto_ablkcipher *cipher,
188 const u8 *key, unsigned int keylen);
189extern int crypto4xx_encrypt(struct ablkcipher_request *req);
190extern int crypto4xx_decrypt(struct ablkcipher_request *req);
191extern int crypto4xx_sha1_alg_init(struct crypto_tfm *tfm);
192extern int crypto4xx_hash_digest(struct ahash_request *req);
193extern int crypto4xx_hash_final(struct ahash_request *req);
194extern int crypto4xx_hash_update(struct ahash_request *req);
195extern int crypto4xx_hash_init(struct ahash_request *req);
196#endif
197
