diff options
Diffstat (limited to 'cryptodev.h')
| -rw-r--r-- | cryptodev.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/cryptodev.h b/cryptodev.h index 84d371b..fc94149 100644 --- a/cryptodev.h +++ b/cryptodev.h @@ -150,4 +150,42 @@ typedef enum { #define CIOCKEY _IOWR('c', 105, struct crypt_kop) #define CIOCASYMFEAT _IOR('c', 106, uint32_t) +/* compatibility code for 32bit userlands */ + +#ifdef __KERNEL__ +#ifdef CONFIG_COMPAT + +/* input of CIOCGSESSION */ +struct compat_session_op { + /* Specify either cipher or mac + */ + uint32_t cipher; /* cryptodev_crypto_op_t */ + uint32_t mac; /* cryptodev_crypto_op_t */ + + uint32_t keylen; + uint32_t key; /* pointer to key data */ + uint32_t mackeylen; + uint32_t mackey; /* pointer to mac key data */ + + uint32_t ses; /* session identifier */ +}; + +/* input of CIOCCRYPT */ + struct compat_crypt_op { + uint32_t ses; /* session identifier */ + uint16_t op; /* COP_ENCRYPT or COP_DECRYPT */ + uint16_t flags; /* no usage so far, use 0 */ + uint32_t len; /* length of source data */ + uint32_t src; /* source data */ + uint32_t dst; /* pointer to output data */ + uint32_t mac; /* pointer to output data for hash/MAC operations */ + uint32_t iv; /* initialization vector for encryption operations */ +}; + +#define COMPAT_CIOCGSESSION _IOWR('c', 102, struct compat_session_op) +#define COMPAT_CIOCCRYPT _IOWR('c', 104, struct compat_crypt_op) + +#endif /* CONFIG_COMPAT */ +#endif /* __KERNEL__ */ + #endif /* L_CRYPTODEV_H */ |