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crypto: caam - refactor encryption descriptors generation

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Refactor the generation of the authenc, ablkcipher shared descriptors
and exports the functionality, such that they could be shared
with the upcoming caam/qi (Queue Interface) driver.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Horia Geantă 2016-11-22 15:44:09 +02:00 committed by Herbert Xu
parent 746f069038
commit 8cea7b66b8
5 changed files with 1440 additions and 1072 deletions
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3
drivers/crypto/caam/Kconfig
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@ -134,3 +134,6 @@ config CRYPTO_DEV_FSL_CAAM_DEBUG
help help
Selecting this will enable printing of various debug Selecting this will enable printing of various debug
information in the CAAM driver. information in the CAAM driver.
config CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC
def_bool CRYPTO_DEV_FSL_CAAM_CRYPTO_API

1
drivers/crypto/caam/Makefile
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@ -8,6 +8,7 @@ endif
obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM) += caam.o obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM) += caam.o
obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_JR) += caam_jr.o obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_JR) += caam_jr.o
obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_CRYPTO_API) += caamalg.o obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_CRYPTO_API) += caamalg.o
obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC) += caamalg_desc.o
obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_AHASH_API) += caamhash.o obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_AHASH_API) += caamhash.o
obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_RNG_API) += caamrng.o obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_RNG_API) += caamrng.o
obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_PKC_API) += caam_pkc.o obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_PKC_API) += caam_pkc.o

1109
drivers/crypto/caam/caamalg.c
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1302
drivers/crypto/caam/caamalg_desc.c Normal file
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File diff suppressed because it is too large Load Diff

97
drivers/crypto/caam/caamalg_desc.h Normal file
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@ -0,0 +1,97 @@
/*
* Shared descriptors for aead, ablkcipher algorithms
*
* Copyright 2016 NXP
*/
#ifndef _CAAMALG_DESC_H_
#define _CAAMALG_DESC_H_
/* length of descriptors text */
#define DESC_AEAD_BASE (4 * CAAM_CMD_SZ)
#define DESC_AEAD_ENC_LEN (DESC_AEAD_BASE + 11 * CAAM_CMD_SZ)
#define DESC_AEAD_DEC_LEN (DESC_AEAD_BASE + 15 * CAAM_CMD_SZ)
#define DESC_AEAD_GIVENC_LEN (DESC_AEAD_ENC_LEN + 7 * CAAM_CMD_SZ)
/* Note: Nonce is counted in cdata.keylen */
#define DESC_AEAD_CTR_RFC3686_LEN (4 * CAAM_CMD_SZ)
#define DESC_AEAD_NULL_BASE (3 * CAAM_CMD_SZ)
#define DESC_AEAD_NULL_ENC_LEN (DESC_AEAD_NULL_BASE + 11 * CAAM_CMD_SZ)
#define DESC_AEAD_NULL_DEC_LEN (DESC_AEAD_NULL_BASE + 13 * CAAM_CMD_SZ)
#define DESC_GCM_BASE (3 * CAAM_CMD_SZ)
#define DESC_GCM_ENC_LEN (DESC_GCM_BASE + 16 * CAAM_CMD_SZ)
#define DESC_GCM_DEC_LEN (DESC_GCM_BASE + 12 * CAAM_CMD_SZ)
#define DESC_RFC4106_BASE (3 * CAAM_CMD_SZ)
#define DESC_RFC4106_ENC_LEN (DESC_RFC4106_BASE + 13 * CAAM_CMD_SZ)
#define DESC_RFC4106_DEC_LEN (DESC_RFC4106_BASE + 13 * CAAM_CMD_SZ)
#define DESC_RFC4543_BASE (3 * CAAM_CMD_SZ)
#define DESC_RFC4543_ENC_LEN (DESC_RFC4543_BASE + 11 * CAAM_CMD_SZ)
#define DESC_RFC4543_DEC_LEN (DESC_RFC4543_BASE + 12 * CAAM_CMD_SZ)
#define DESC_ABLKCIPHER_BASE (3 * CAAM_CMD_SZ)
#define DESC_ABLKCIPHER_ENC_LEN (DESC_ABLKCIPHER_BASE + \
20 * CAAM_CMD_SZ)
#define DESC_ABLKCIPHER_DEC_LEN (DESC_ABLKCIPHER_BASE + \
15 * CAAM_CMD_SZ)
void cnstr_shdsc_aead_null_encap(u32 * const desc, struct alginfo *adata,
unsigned int icvsize);
void cnstr_shdsc_aead_null_decap(u32 * const desc, struct alginfo *adata,
unsigned int icvsize);
void cnstr_shdsc_aead_encap(u32 * const desc, struct alginfo *cdata,
struct alginfo *adata, unsigned int icvsize,
const bool is_rfc3686, u32 *nonce,
const u32 ctx1_iv_off);
void cnstr_shdsc_aead_decap(u32 * const desc, struct alginfo *cdata,
struct alginfo *adata, unsigned int ivsize,
unsigned int icvsize, const bool geniv,
const bool is_rfc3686, u32 *nonce,
const u32 ctx1_iv_off);
void cnstr_shdsc_aead_givencap(u32 * const desc, struct alginfo *cdata,
struct alginfo *adata, unsigned int ivsize,
unsigned int icvsize, const bool is_rfc3686,
u32 *nonce, const u32 ctx1_iv_off);
void cnstr_shdsc_gcm_encap(u32 * const desc, struct alginfo *cdata,
unsigned int icvsize);
void cnstr_shdsc_gcm_decap(u32 * const desc, struct alginfo *cdata,
unsigned int icvsize);
void cnstr_shdsc_rfc4106_encap(u32 * const desc, struct alginfo *cdata,
unsigned int icvsize);
void cnstr_shdsc_rfc4106_decap(u32 * const desc, struct alginfo *cdata,
unsigned int icvsize);
void cnstr_shdsc_rfc4543_encap(u32 * const desc, struct alginfo *cdata,
unsigned int icvsize);
void cnstr_shdsc_rfc4543_decap(u32 * const desc, struct alginfo *cdata,
unsigned int icvsize);
void cnstr_shdsc_ablkcipher_encap(u32 * const desc, struct alginfo *cdata,
unsigned int ivsize, const bool is_rfc3686,
const u32 ctx1_iv_off);
void cnstr_shdsc_ablkcipher_decap(u32 * const desc, struct alginfo *cdata,
unsigned int ivsize, const bool is_rfc3686,
const u32 ctx1_iv_off);
void cnstr_shdsc_ablkcipher_givencap(u32 * const desc, struct alginfo *cdata,
unsigned int ivsize, const bool is_rfc3686,
const u32 ctx1_iv_off);
void cnstr_shdsc_xts_ablkcipher_encap(u32 * const desc, struct alginfo *cdata);
void cnstr_shdsc_xts_ablkcipher_decap(u32 * const desc, struct alginfo *cdata);
#endif /* _CAAMALG_DESC_H_ */