Commit 87ec3a0b authored by Horia Geantă's avatar Horia Geantă Committed by Herbert Xu
Browse files

crypto: caam - prepare for gcm(aes) support over QI interface 



Update gcm(aes) descriptors (generic, rfc4106 and rfc4543) such that
they would also work when submitted via the QI interface.

Signed-off-by: default avatarHoria Geantă <horia.geanta@nxp.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent cb3078f3

drivers/crypto/caam/caamalg.c

+13 −6
Original line number Diff line number Diff line
@@ -328,6 +328,7 @@ static int gcm_set_sh_desc(struct crypto_aead *aead) 
{

	struct caam_ctx *ctx = crypto_aead_ctx(aead);

	struct device *jrdev = ctx->jrdev;

	unsigned int ivsize = crypto_aead_ivsize(aead);

	u32 *desc;

	int rem_bytes = CAAM_DESC_BYTES_MAX - GCM_DESC_JOB_IO_LEN -

			ctx->cdata.keylen;
@@ -349,7 +350,7 @@ static int gcm_set_sh_desc(struct crypto_aead *aead) 
	}



	desc = ctx->sh_desc_enc;

	cnstr_shdsc_gcm_encap(desc, &ctx->cdata, ctx->authsize);

	cnstr_shdsc_gcm_encap(desc, &ctx->cdata, ivsize, ctx->authsize, false);

	dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma,

				   desc_bytes(desc), ctx->dir);
@@ -366,7 +367,7 @@ static int gcm_set_sh_desc(struct crypto_aead *aead) 
	}



	desc = ctx->sh_desc_dec;

	cnstr_shdsc_gcm_decap(desc, &ctx->cdata, ctx->authsize);

	cnstr_shdsc_gcm_decap(desc, &ctx->cdata, ivsize, ctx->authsize, false);

	dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma,

				   desc_bytes(desc), ctx->dir);
@@ -387,6 +388,7 @@ static int rfc4106_set_sh_desc(struct crypto_aead *aead) 
{

	struct caam_ctx *ctx = crypto_aead_ctx(aead);

	struct device *jrdev = ctx->jrdev;

	unsigned int ivsize = crypto_aead_ivsize(aead);

	u32 *desc;

	int rem_bytes = CAAM_DESC_BYTES_MAX - GCM_DESC_JOB_IO_LEN -

			ctx->cdata.keylen;
@@ -408,7 +410,8 @@ static int rfc4106_set_sh_desc(struct crypto_aead *aead) 
	}



	desc = ctx->sh_desc_enc;

	cnstr_shdsc_rfc4106_encap(desc, &ctx->cdata, ctx->authsize);

	cnstr_shdsc_rfc4106_encap(desc, &ctx->cdata, ivsize, ctx->authsize,

				  false);

	dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma,

				   desc_bytes(desc), ctx->dir);
@@ -425,7 +428,8 @@ static int rfc4106_set_sh_desc(struct crypto_aead *aead) 
	}



	desc = ctx->sh_desc_dec;

	cnstr_shdsc_rfc4106_decap(desc, &ctx->cdata, ctx->authsize);

	cnstr_shdsc_rfc4106_decap(desc, &ctx->cdata, ivsize, ctx->authsize,

				  false);

	dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma,

				   desc_bytes(desc), ctx->dir);
@@ -447,6 +451,7 @@ static int rfc4543_set_sh_desc(struct crypto_aead *aead) 
{

	struct caam_ctx *ctx = crypto_aead_ctx(aead);

	struct device *jrdev = ctx->jrdev;

	unsigned int ivsize = crypto_aead_ivsize(aead);

	u32 *desc;

	int rem_bytes = CAAM_DESC_BYTES_MAX - GCM_DESC_JOB_IO_LEN -

			ctx->cdata.keylen;
@@ -468,7 +473,8 @@ static int rfc4543_set_sh_desc(struct crypto_aead *aead) 
	}



	desc = ctx->sh_desc_enc;

	cnstr_shdsc_rfc4543_encap(desc, &ctx->cdata, ctx->authsize);

	cnstr_shdsc_rfc4543_encap(desc, &ctx->cdata, ivsize, ctx->authsize,

				  false);

	dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma,

				   desc_bytes(desc), ctx->dir);
@@ -485,7 +491,8 @@ static int rfc4543_set_sh_desc(struct crypto_aead *aead) 
	}



	desc = ctx->sh_desc_dec;

	cnstr_shdsc_rfc4543_decap(desc, &ctx->cdata, ctx->authsize);

	cnstr_shdsc_rfc4543_decap(desc, &ctx->cdata, ivsize, ctx->authsize,

				  false);

	dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma,

				   desc_bytes(desc), ctx->dir);

drivers/crypto/caam/caamalg_desc.c

+152 −13
Original line number Diff line number Diff line
@@ -625,10 +625,13 @@ EXPORT_SYMBOL(cnstr_shdsc_aead_givencap); 
 * @desc: pointer to buffer used for descriptor construction

 * @cdata: pointer to block cipher transform definitions

 *         Valid algorithm values - OP_ALG_ALGSEL_AES ANDed with OP_ALG_AAI_GCM.

 * @ivsize: initialization vector size

 * @icvsize: integrity check value (ICV) size (truncated or full)

 * @is_qi: true when called from caam/qi

 */

void cnstr_shdsc_gcm_encap(u32 * const desc, struct alginfo *cdata,

			   unsigned int icvsize)

			   unsigned int ivsize, unsigned int icvsize,

			   const bool is_qi)

{

	u32 *key_jump_cmd, *zero_payload_jump_cmd, *zero_assoc_jump_cmd1,

	    *zero_assoc_jump_cmd2;
@@ -650,11 +653,35 @@ void cnstr_shdsc_gcm_encap(u32 * const desc, struct alginfo *cdata, 
	append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL |

			 OP_ALG_ENCRYPT);



	if (is_qi) {

		u32 *wait_load_cmd;



		/* REG3 = assoclen */

		append_seq_load(desc, 4, LDST_CLASS_DECO |

				LDST_SRCDST_WORD_DECO_MATH3 |

				(4 << LDST_OFFSET_SHIFT));



		wait_load_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL |

					    JUMP_COND_CALM | JUMP_COND_NCP |

					    JUMP_COND_NOP | JUMP_COND_NIP |

					    JUMP_COND_NIFP);

		set_jump_tgt_here(desc, wait_load_cmd);



		append_math_sub_imm_u32(desc, VARSEQOUTLEN, SEQINLEN, IMM,

					ivsize);

	} else {

		append_math_sub(desc, VARSEQOUTLEN, SEQINLEN, REG0,

				CAAM_CMD_SZ);

	}



	/* if assoclen + cryptlen is ZERO, skip to ICV write */

	append_math_sub(desc, VARSEQOUTLEN, SEQINLEN, REG0, CAAM_CMD_SZ);

	zero_assoc_jump_cmd2 = append_jump(desc, JUMP_TEST_ALL |

						 JUMP_COND_MATH_Z);



	if (is_qi)

		append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_CLASS1 |

				     FIFOLD_TYPE_IV | FIFOLD_TYPE_FLUSH1);



	/* if assoclen is ZERO, skip reading the assoc data */

	append_math_add(desc, VARSEQINLEN, ZERO, REG3, CAAM_CMD_SZ);

	zero_assoc_jump_cmd1 = append_jump(desc, JUMP_TEST_ALL |
@@ -686,7 +713,10 @@ void cnstr_shdsc_gcm_encap(u32 * const desc, struct alginfo *cdata, 
	append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS1 | FIFOLDST_VLF |

			     FIFOLD_TYPE_MSG | FIFOLD_TYPE_LAST1);



	/* jump the zero-payload commands */

	/* jump to ICV writing */

	if (is_qi)

		append_jump(desc, JUMP_TEST_ALL | 4);

	else

		append_jump(desc, JUMP_TEST_ALL | 2);



	/* zero-payload commands */
@@ -695,10 +725,18 @@ void cnstr_shdsc_gcm_encap(u32 * const desc, struct alginfo *cdata, 
	/* read assoc data */

	append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS1 | FIFOLDST_VLF |

			     FIFOLD_TYPE_AAD | FIFOLD_TYPE_LAST1);

	if (is_qi)

		/* jump to ICV writing */

		append_jump(desc, JUMP_TEST_ALL | 2);



	/* There is no input data */

	set_jump_tgt_here(desc, zero_assoc_jump_cmd2);



	if (is_qi)

		append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_CLASS1 |

				     FIFOLD_TYPE_IV | FIFOLD_TYPE_FLUSH1 |

				     FIFOLD_TYPE_LAST1);



	/* write ICV */

	append_seq_store(desc, icvsize, LDST_CLASS_1_CCB |

			 LDST_SRCDST_BYTE_CONTEXT);
@@ -715,10 +753,13 @@ EXPORT_SYMBOL(cnstr_shdsc_gcm_encap); 
 * @desc: pointer to buffer used for descriptor construction

 * @cdata: pointer to block cipher transform definitions

 *         Valid algorithm values - OP_ALG_ALGSEL_AES ANDed with OP_ALG_AAI_GCM.

 * @ivsize: initialization vector size

 * @icvsize: integrity check value (ICV) size (truncated or full)

 * @is_qi: true when called from caam/qi

 */

void cnstr_shdsc_gcm_decap(u32 * const desc, struct alginfo *cdata,

			   unsigned int icvsize)

			   unsigned int ivsize, unsigned int icvsize,

			   const bool is_qi)

{

	u32 *key_jump_cmd, *zero_payload_jump_cmd, *zero_assoc_jump_cmd1;
@@ -739,6 +780,24 @@ void cnstr_shdsc_gcm_decap(u32 * const desc, struct alginfo *cdata, 
	append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL |

			 OP_ALG_DECRYPT | OP_ALG_ICV_ON);



	if (is_qi) {

		u32 *wait_load_cmd;



		/* REG3 = assoclen */

		append_seq_load(desc, 4, LDST_CLASS_DECO |

				LDST_SRCDST_WORD_DECO_MATH3 |

				(4 << LDST_OFFSET_SHIFT));



		wait_load_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL |

					    JUMP_COND_CALM | JUMP_COND_NCP |

					    JUMP_COND_NOP | JUMP_COND_NIP |

					    JUMP_COND_NIFP);

		set_jump_tgt_here(desc, wait_load_cmd);



		append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_CLASS1 |

				     FIFOLD_TYPE_IV | FIFOLD_TYPE_FLUSH1);

	}



	/* if assoclen is ZERO, skip reading the assoc data */

	append_math_add(desc, VARSEQINLEN, ZERO, REG3, CAAM_CMD_SZ);

	zero_assoc_jump_cmd1 = append_jump(desc, JUMP_TEST_ALL |
@@ -791,10 +850,13 @@ EXPORT_SYMBOL(cnstr_shdsc_gcm_decap); 
 * @desc: pointer to buffer used for descriptor construction

 * @cdata: pointer to block cipher transform definitions

 *         Valid algorithm values - OP_ALG_ALGSEL_AES ANDed with OP_ALG_AAI_GCM.

 * @ivsize: initialization vector size

 * @icvsize: integrity check value (ICV) size (truncated or full)

 * @is_qi: true when called from caam/qi

 */

void cnstr_shdsc_rfc4106_encap(u32 * const desc, struct alginfo *cdata,

			       unsigned int icvsize)

			       unsigned int ivsize, unsigned int icvsize,

			       const bool is_qi)

{

	u32 *key_jump_cmd;
@@ -815,7 +877,29 @@ void cnstr_shdsc_rfc4106_encap(u32 * const desc, struct alginfo *cdata, 
	append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL |

			 OP_ALG_ENCRYPT);



	append_math_sub_imm_u32(desc, VARSEQINLEN, REG3, IMM, 8);

	if (is_qi) {

		u32 *wait_load_cmd;



		/* REG3 = assoclen */

		append_seq_load(desc, 4, LDST_CLASS_DECO |

				LDST_SRCDST_WORD_DECO_MATH3 |

				(4 << LDST_OFFSET_SHIFT));



		wait_load_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL |

					    JUMP_COND_CALM | JUMP_COND_NCP |

					    JUMP_COND_NOP | JUMP_COND_NIP |

					    JUMP_COND_NIFP);

		set_jump_tgt_here(desc, wait_load_cmd);



		/* Read salt and IV */

		append_fifo_load_as_imm(desc, (void *)(cdata->key_virt +

					cdata->keylen), 4, FIFOLD_CLASS_CLASS1 |

					FIFOLD_TYPE_IV);

		append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_CLASS1 |

				     FIFOLD_TYPE_IV | FIFOLD_TYPE_FLUSH1);

	}



	append_math_sub_imm_u32(desc, VARSEQINLEN, REG3, IMM, ivsize);

	append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, CAAM_CMD_SZ);



	/* Read assoc data */
@@ -823,7 +907,7 @@ void cnstr_shdsc_rfc4106_encap(u32 * const desc, struct alginfo *cdata, 
			     FIFOLD_TYPE_AAD | FIFOLD_TYPE_FLUSH1);



	/* Skip IV */

	append_seq_fifo_load(desc, 8, FIFOLD_CLASS_SKIP);

	append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_SKIP);



	/* Will read cryptlen bytes */

	append_math_sub(desc, VARSEQINLEN, SEQINLEN, REG0, CAAM_CMD_SZ);
@@ -862,10 +946,13 @@ EXPORT_SYMBOL(cnstr_shdsc_rfc4106_encap); 
 * @desc: pointer to buffer used for descriptor construction

 * @cdata: pointer to block cipher transform definitions

 *         Valid algorithm values - OP_ALG_ALGSEL_AES ANDed with OP_ALG_AAI_GCM.

 * @ivsize: initialization vector size

 * @icvsize: integrity check value (ICV) size (truncated or full)

 * @is_qi: true when called from caam/qi

 */

void cnstr_shdsc_rfc4106_decap(u32 * const desc, struct alginfo *cdata,

			       unsigned int icvsize)

			       unsigned int ivsize, unsigned int icvsize,

			       const bool is_qi)

{

	u32 *key_jump_cmd;
@@ -887,7 +974,29 @@ void cnstr_shdsc_rfc4106_decap(u32 * const desc, struct alginfo *cdata, 
	append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL |

			 OP_ALG_DECRYPT | OP_ALG_ICV_ON);



	append_math_sub_imm_u32(desc, VARSEQINLEN, REG3, IMM, 8);

	if (is_qi) {

		u32 *wait_load_cmd;



		/* REG3 = assoclen */

		append_seq_load(desc, 4, LDST_CLASS_DECO |

				LDST_SRCDST_WORD_DECO_MATH3 |

				(4 << LDST_OFFSET_SHIFT));



		wait_load_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL |

					    JUMP_COND_CALM | JUMP_COND_NCP |

					    JUMP_COND_NOP | JUMP_COND_NIP |

					    JUMP_COND_NIFP);

		set_jump_tgt_here(desc, wait_load_cmd);



		/* Read salt and IV */

		append_fifo_load_as_imm(desc, (void *)(cdata->key_virt +

					cdata->keylen), 4, FIFOLD_CLASS_CLASS1 |

					FIFOLD_TYPE_IV);

		append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_CLASS1 |

				     FIFOLD_TYPE_IV | FIFOLD_TYPE_FLUSH1);

	}



	append_math_sub_imm_u32(desc, VARSEQINLEN, REG3, IMM, ivsize);

	append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, CAAM_CMD_SZ);



	/* Read assoc data */
@@ -895,7 +1004,7 @@ void cnstr_shdsc_rfc4106_decap(u32 * const desc, struct alginfo *cdata, 
			     FIFOLD_TYPE_AAD | FIFOLD_TYPE_FLUSH1);



	/* Skip IV */

	append_seq_fifo_load(desc, 8, FIFOLD_CLASS_SKIP);

	append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_SKIP);



	/* Will read cryptlen bytes */

	append_math_sub(desc, VARSEQINLEN, SEQOUTLEN, REG3, CAAM_CMD_SZ);
@@ -934,10 +1043,13 @@ EXPORT_SYMBOL(cnstr_shdsc_rfc4106_decap); 
 * @desc: pointer to buffer used for descriptor construction

 * @cdata: pointer to block cipher transform definitions

 *         Valid algorithm values - OP_ALG_ALGSEL_AES ANDed with OP_ALG_AAI_GCM.

 * @ivsize: initialization vector size

 * @icvsize: integrity check value (ICV) size (truncated or full)

 * @is_qi: true when called from caam/qi

 */

void cnstr_shdsc_rfc4543_encap(u32 * const desc, struct alginfo *cdata,

			       unsigned int icvsize)

			       unsigned int ivsize, unsigned int icvsize,

			       const bool is_qi)

{

	u32 *key_jump_cmd, *read_move_cmd, *write_move_cmd;
@@ -958,6 +1070,18 @@ void cnstr_shdsc_rfc4543_encap(u32 * const desc, struct alginfo *cdata, 
	append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL |

			 OP_ALG_ENCRYPT);



	if (is_qi) {

		/* assoclen is not needed, skip it */

		append_seq_fifo_load(desc, 4, FIFOLD_CLASS_SKIP);



		/* Read salt and IV */

		append_fifo_load_as_imm(desc, (void *)(cdata->key_virt +

					cdata->keylen), 4, FIFOLD_CLASS_CLASS1 |

					FIFOLD_TYPE_IV);

		append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_CLASS1 |

				     FIFOLD_TYPE_IV | FIFOLD_TYPE_FLUSH1);

	}



	/* assoclen + cryptlen = seqinlen */

	append_math_sub(desc, REG3, SEQINLEN, REG0, CAAM_CMD_SZ);
@@ -1004,10 +1128,13 @@ EXPORT_SYMBOL(cnstr_shdsc_rfc4543_encap); 
 * @desc: pointer to buffer used for descriptor construction

 * @cdata: pointer to block cipher transform definitions

 *         Valid algorithm values - OP_ALG_ALGSEL_AES ANDed with OP_ALG_AAI_GCM.

 * @ivsize: initialization vector size

 * @icvsize: integrity check value (ICV) size (truncated or full)

 * @is_qi: true when called from caam/qi

 */

void cnstr_shdsc_rfc4543_decap(u32 * const desc, struct alginfo *cdata,

			       unsigned int icvsize)

			       unsigned int ivsize, unsigned int icvsize,

			       const bool is_qi)

{

	u32 *key_jump_cmd, *read_move_cmd, *write_move_cmd;
@@ -1028,6 +1155,18 @@ void cnstr_shdsc_rfc4543_decap(u32 * const desc, struct alginfo *cdata, 
	append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL |

			 OP_ALG_DECRYPT | OP_ALG_ICV_ON);



	if (is_qi) {

		/* assoclen is not needed, skip it */

		append_seq_fifo_load(desc, 4, FIFOLD_CLASS_SKIP);



		/* Read salt and IV */

		append_fifo_load_as_imm(desc, (void *)(cdata->key_virt +

					cdata->keylen), 4, FIFOLD_CLASS_CLASS1 |

					FIFOLD_TYPE_IV);

		append_seq_fifo_load(desc, ivsize, FIFOLD_CLASS_CLASS1 |

				     FIFOLD_TYPE_IV | FIFOLD_TYPE_FLUSH1);

	}



	/* assoclen + cryptlen = seqoutlen */

	append_math_sub(desc, REG3, SEQOUTLEN, REG0, CAAM_CMD_SZ);

drivers/crypto/caam/caamalg_desc.h

+18 −6
Original line number Diff line number Diff line
@@ -27,14 +27,20 @@ 
#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_QI_GCM_ENC_LEN		(DESC_GCM_ENC_LEN + 6 * CAAM_CMD_SZ)

#define DESC_QI_GCM_DEC_LEN		(DESC_GCM_DEC_LEN + 3 * 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_QI_RFC4106_ENC_LEN		(DESC_RFC4106_ENC_LEN + 5 * CAAM_CMD_SZ)

#define DESC_QI_RFC4106_DEC_LEN		(DESC_RFC4106_DEC_LEN + 5 * 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_QI_RFC4543_ENC_LEN		(DESC_RFC4543_ENC_LEN + 4 * CAAM_CMD_SZ)

#define DESC_QI_RFC4543_DEC_LEN		(DESC_RFC4543_DEC_LEN + 4 * CAAM_CMD_SZ)



#define DESC_ABLKCIPHER_BASE		(3 * CAAM_CMD_SZ)

#define DESC_ABLKCIPHER_ENC_LEN		(DESC_ABLKCIPHER_BASE + \
@@ -67,22 +73,28 @@ void cnstr_shdsc_aead_givencap(u32 * const desc, struct alginfo *cdata, 
			       const bool is_qi, int era);



void cnstr_shdsc_gcm_encap(u32 * const desc, struct alginfo *cdata,

			   unsigned int icvsize);

			   unsigned int ivsize, unsigned int icvsize,

			   const bool is_qi);



void cnstr_shdsc_gcm_decap(u32 * const desc, struct alginfo *cdata,

			   unsigned int icvsize);

			   unsigned int ivsize, unsigned int icvsize,

			   const bool is_qi);



void cnstr_shdsc_rfc4106_encap(u32 * const desc, struct alginfo *cdata,

			       unsigned int icvsize);

			       unsigned int ivsize, unsigned int icvsize,

			       const bool is_qi);



void cnstr_shdsc_rfc4106_decap(u32 * const desc, struct alginfo *cdata,

			       unsigned int icvsize);

			       unsigned int ivsize, unsigned int icvsize,

			       const bool is_qi);



void cnstr_shdsc_rfc4543_encap(u32 * const desc, struct alginfo *cdata,

			       unsigned int icvsize);

			       unsigned int ivsize, unsigned int icvsize,

			       const bool is_qi);



void cnstr_shdsc_rfc4543_decap(u32 * const desc, struct alginfo *cdata,

			       unsigned int icvsize);

			       unsigned int ivsize, unsigned int icvsize,

			       const bool is_qi);



void cnstr_shdsc_ablkcipher_encap(u32 * const desc, struct alginfo *cdata,

				  unsigned int ivsize, const bool is_rfc3686,