diff options
Diffstat (limited to 'drivers/crypto/nx/nx-842.h')
| -rw-r--r-- | drivers/crypto/nx/nx-842.h | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/crypto/nx/nx-842.h b/drivers/crypto/nx/nx-842.h index 7590bfb24d79..f5e2c82ba876 100644 --- a/drivers/crypto/nx/nx-842.h +++ b/drivers/crypto/nx/nx-842.h @@ -3,7 +3,6 @@ #ifndef __NX_842_H__ #define __NX_842_H__ -#include <crypto/algapi.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> @@ -101,6 +100,8 @@ #define LEN_ON_SIZE(pa, size) ((size) - ((pa) & ((size) - 1))) #define LEN_ON_PAGE(pa) LEN_ON_SIZE(pa, PAGE_SIZE) +struct crypto_scomp; + static inline unsigned long nx842_get_pa(void *addr) { if (!is_vmalloc_addr(addr)) @@ -157,11 +158,16 @@ struct nx842_crypto_header_group { } __packed; struct nx842_crypto_header { - __be16 magic; /* NX842_CRYPTO_MAGIC */ - __be16 ignore; /* decompressed end bytes to ignore */ - u8 groups; /* total groups in this header */ + /* New members MUST be added within the struct_group() macro below. */ + struct_group_tagged(nx842_crypto_header_hdr, hdr, + __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; +static_assert(offsetof(struct nx842_crypto_header, group) == sizeof(struct nx842_crypto_header_hdr), + "struct member likely outside of struct_group_tagged()"); #define NX842_CRYPTO_GROUP_MAX (0x20) @@ -171,19 +177,19 @@ struct nx842_crypto_ctx { u8 *wmem; u8 *sbounce, *dbounce; - struct nx842_crypto_header header; + struct nx842_crypto_header_hdr 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, +void *nx842_crypto_alloc_ctx(struct nx842_driver *driver); +void nx842_crypto_free_ctx(void *ctx); +int nx842_crypto_compress(struct crypto_scomp *tfm, const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen); -int nx842_crypto_decompress(struct crypto_tfm *tfm, + u8 *dst, unsigned int *dlen, void *ctx); +int nx842_crypto_decompress(struct crypto_scomp *tfm, const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen); + u8 *dst, unsigned int *dlen, void *ctx); #endif /* __NX_842_H__ */ |