1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
5  * Copyright 2017-2019 NXP
13  * cnstr_shdsc_ahash - ahash shared descriptor
16  *         A split key is required for SEC Era < 6; the size of the split key
18  *         Valid algorithm values - one of OP_ALG_ALGSEL_{MD5, SHA1, SHA224,
26  * @era: SEC Era
29 		       int digestsize, int ctx_len, bool import_ctx, int era)  in cnstr_shdsc_ahash()  argument
31 	u32 op = adata->algtype;  in cnstr_shdsc_ahash()
36 	if (state != OP_ALG_AS_UPDATE && adata->keylen) {  in cnstr_shdsc_ahash()
43 		if (era < 6)  in cnstr_shdsc_ahash()
44 			append_key_as_imm(desc, adata->key_virt,  in cnstr_shdsc_ahash()
45 					  adata->keylen_pad,  in cnstr_shdsc_ahash()
46 					  adata->keylen, CLASS_2 |  in cnstr_shdsc_ahash()
65 	 * Load from buf and/or src and write to req->result or state->context  in cnstr_shdsc_ahash()
79  * cnstr_shdsc_sk_hash - shared descriptor for symmetric key cipher-based
98 		append_key_as_imm(desc, adata->key_virt, adata->keylen,  in cnstr_shdsc_sk_hash()
99 				  adata->keylen, CLASS_1 | KEY_DEST_CLASS_REG);  in cnstr_shdsc_sk_hash()
101 		if (is_xcbc_aes(adata->algtype))  in cnstr_shdsc_sk_hash()
103 			append_key(desc, adata->key_dma, adata->keylen,  in cnstr_shdsc_sk_hash()
106 			append_key_as_imm(desc, adata->key_virt, adata->keylen,  in cnstr_shdsc_sk_hash()
107 					  adata->keylen, CLASS_1 |  in cnstr_shdsc_sk_hash()
117 	append_operation(desc, adata->algtype | state | OP_ALG_ENCRYPT);  in cnstr_shdsc_sk_hash()
120 	 * Load from buf and/or src and write to req->result or state->context  in cnstr_shdsc_sk_hash()
131 	 * - xcbc: partial hash, keys K2 and K3  in cnstr_shdsc_sk_hash()
132 	 * - cmac: partial hash, constant L = E(K,0)  in cnstr_shdsc_sk_hash()
136 	if (is_xcbc_aes(adata->algtype) && state == OP_ALG_AS_INIT)  in cnstr_shdsc_sk_hash()
138 		append_fifo_store(desc, adata->key_dma, adata->keylen,  in cnstr_shdsc_sk_hash()