diff options
Diffstat (limited to 'drivers/crypto/nx/nx-842.h')
| -rw-r--r-- | drivers/crypto/nx/nx-842.h | 43 |
1 files changed, 37 insertions, 6 deletions
diff --git a/drivers/crypto/nx/nx-842.h b/drivers/crypto/nx/nx-842.h index c7dd0a4391e0..a4eee3bba937 100644 --- a/drivers/crypto/nx/nx-842.h +++ b/drivers/crypto/nx/nx-842.h @@ -3,8 +3,9 @@ #define __NX_842_H__ #include <linux/kernel.h> +#include <linux/init.h> #include <linux/module.h> -#include <linux/sw842.h> +#include <linux/crypto.h> #include <linux/of.h> #include <linux/slab.h> #include <linux/io.h> @@ -145,10 +146,40 @@ struct nx842_driver { void *wrkmem); }; -struct nx842_driver *nx842_platform_driver(void); -bool nx842_platform_driver_set(struct nx842_driver *driver); -void nx842_platform_driver_unset(struct nx842_driver *driver); -bool nx842_platform_driver_get(void); -void nx842_platform_driver_put(void); +struct nx842_crypto_header_group { + __be16 padding; /* unused bytes at start of group */ + __be32 compressed_length; /* compressed bytes in group */ + __be32 uncompressed_length; /* bytes after decompression */ +} __packed; + +struct nx842_crypto_header { + __be16 magic; /* NX842_CRYPTO_MAGIC */ + __be16 ignore; /* decompressed end bytes to ignore */ + u8 groups; /* total groups in this header */ + struct nx842_crypto_header_group group[]; +} __packed; + +#define NX842_CRYPTO_GROUP_MAX (0x20) + +struct nx842_crypto_ctx { + spinlock_t lock; + + u8 *wmem; + u8 *sbounce, *dbounce; + + struct nx842_crypto_header header; + struct nx842_crypto_header_group group[NX842_CRYPTO_GROUP_MAX]; + + struct nx842_driver *driver; +}; + +int nx842_crypto_init(struct crypto_tfm *tfm, struct nx842_driver *driver); +void nx842_crypto_exit(struct crypto_tfm *tfm); +int nx842_crypto_compress(struct crypto_tfm *tfm, + const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen); +int nx842_crypto_decompress(struct crypto_tfm *tfm, + const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen); #endif /* __NX_842_H__ */ |