Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 8cea7b66 authored by Horia Geantă's avatar Horia Geantă Committed by Herbert Xu
Browse files

crypto: caam - refactor encryption descriptors generation 



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: default avatarHoria Geantă <horia.geanta@nxp.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 746f0690

drivers/crypto/caam/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -134,3 +134,6 @@ config CRYPTO_DEV_FSL_CAAM_DEBUG 
	help

	  Selecting this will enable printing of various debug

	  information in the CAAM driver.



config CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC

	def_bool CRYPTO_DEV_FSL_CAAM_CRYPTO_API

drivers/crypto/caam/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ endif 
obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM) += caam.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_DESC) += caamalg_desc.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_PKC_API) += caam_pkc.o

drivers/crypto/caam/caamalg.c

+37 −1072

File changed.

Preview size limit exceeded, changes collapsed.

drivers/crypto/caam/caamalg_desc.c

0 → 100644
+1302 −0

File added.

Preview size limit exceeded, changes collapsed.

drivers/crypto/caam/caamalg_desc.h

0 → 100644
+97 −0
Original line number Diff line number Diff line 
/*

 * 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_ */