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| author | Phil Sutter <phil.sutter@viprinet.com> | 2010-06-17 14:45:17 +0200 |
|---|---|---|
| committer | Nikos Mavrogiannopoulos <nmav@gnutls.org> | 2010-06-17 20:32:15 +0200 |
| commit | 26e1a7a351626f770514f001457bb307e08a177c (patch) | |
| tree | f343fcf8b27ed98b3674692f83ff2e527c6ba589 /cryptodev_int.h | |
| parent | f56ee62857576a90a3f2c66f66b324884940fcb7 (diff) | |
| download | kernel-crypto-26e1a7a351626f770514f001457bb307e08a177c.tar.gz kernel-crypto-26e1a7a351626f770514f001457bb307e08a177c.tar.xz kernel-crypto-26e1a7a351626f770514f001457bb307e08a177c.zip | |
ioctl_compat: hide code from user, enable conditionally
Diffstat (limited to 'cryptodev_int.h')
| -rw-r--r-- | cryptodev_int.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/cryptodev_int.h b/cryptodev_int.h index bad332ca33b..8e3059a553d 100644 --- a/cryptodev_int.h +++ b/cryptodev_int.h @@ -60,4 +60,40 @@ int cryptodev_hash_reset( struct hash_data* hdata); void cryptodev_hash_deinit(struct hash_data* hdata); int cryptodev_hash_init( struct hash_data* hdata, const char* alg_name, int hmac_mode, __user void* mackey, size_t mackeylen); +/* compatibility stuff */ +#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 */ +} __attribute__((packed)); + +/* 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 */ +} __attribute__((packed)); + +/* compat ioctls, defined for the above structs */ +#define COMPAT_CIOCGSESSION _IOWR('c', 102, struct compat_session_op) +#define COMPAT_CIOCCRYPT _IOWR('c', 104, struct compat_crypt_op) + +#endif /* CONFIG_COMPAT */ + #endif /* CRYPTODEV_INT_H */ |