IV generation is done only at AEAD level. Support in ablkcipher is not needed, thus remove the dead code. Link: https://www.mail-archive.com/search?l=mid&q=20160901101257.GA3362@xxxxxxxxxxxxxxxx.a Signed-off-by: Horia Geantă <horia.geanta@xxxxxxx> --- drivers/crypto/caam/caamalg_desc.c | 81 ------------ drivers/crypto/caam/caamalg_desc.h | 4 - drivers/crypto/caam/caamalg_qi.c | 261 +++---------------------------------- drivers/crypto/caam/qi.h | 1 - 4 files changed, 20 insertions(+), 327 deletions(-) diff --git a/drivers/crypto/caam/caamalg_desc.c b/drivers/crypto/caam/caamalg_desc.c index a408edd84f34..f70b0877274c 100644 --- a/drivers/crypto/caam/caamalg_desc.c +++ b/drivers/crypto/caam/caamalg_desc.c @@ -1358,87 +1358,6 @@ void cnstr_shdsc_ablkcipher_decap(u32 * const desc, struct alginfo *cdata, } EXPORT_SYMBOL(cnstr_shdsc_ablkcipher_decap); -/** - * cnstr_shdsc_ablkcipher_givencap - ablkcipher encapsulation shared descriptor - * with HW-generated initialization vector. - * @desc: pointer to buffer used for descriptor construction - * @cdata: pointer to block cipher transform definitions - * Valid algorithm values - one of OP_ALG_ALGSEL_{AES, DES, 3DES} ANDed - * with OP_ALG_AAI_CBC. - * @ivsize: initialization vector size - * @is_rfc3686: true when ctr(aes) is wrapped by rfc3686 template - * @ctx1_iv_off: IV offset in CONTEXT1 register - */ -void cnstr_shdsc_ablkcipher_givencap(u32 * const desc, struct alginfo *cdata, - unsigned int ivsize, const bool is_rfc3686, - const u32 ctx1_iv_off) -{ - u32 *key_jump_cmd, geniv; - - init_sh_desc(desc, HDR_SHARE_SERIAL | HDR_SAVECTX); - /* Skip if already shared */ - key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | - JUMP_COND_SHRD); - - /* Load class1 key only */ - append_key_as_imm(desc, cdata->key_virt, cdata->keylen, - cdata->keylen, CLASS_1 | KEY_DEST_CLASS_REG); - - /* Load Nonce into CONTEXT1 reg */ - if (is_rfc3686) { - const u8 *nonce = cdata->key_virt + cdata->keylen; - - append_load_as_imm(desc, nonce, CTR_RFC3686_NONCE_SIZE, - LDST_CLASS_IND_CCB | - LDST_SRCDST_BYTE_OUTFIFO | LDST_IMM); - append_move(desc, MOVE_WAITCOMP | MOVE_SRC_OUTFIFO | - MOVE_DEST_CLASS1CTX | (16 << MOVE_OFFSET_SHIFT) | - (CTR_RFC3686_NONCE_SIZE << MOVE_LEN_SHIFT)); - } - set_jump_tgt_here(desc, key_jump_cmd); - - /* Generate IV */ - geniv = NFIFOENTRY_STYPE_PAD | NFIFOENTRY_DEST_DECO | - NFIFOENTRY_DTYPE_MSG | NFIFOENTRY_LC1 | NFIFOENTRY_PTYPE_RND | - (ivsize << NFIFOENTRY_DLEN_SHIFT); - append_load_imm_u32(desc, geniv, LDST_CLASS_IND_CCB | - LDST_SRCDST_WORD_INFO_FIFO | LDST_IMM); - append_cmd(desc, CMD_LOAD | DISABLE_AUTO_INFO_FIFO); - append_move(desc, MOVE_WAITCOMP | MOVE_SRC_INFIFO | - MOVE_DEST_CLASS1CTX | (ivsize << MOVE_LEN_SHIFT) | - (ctx1_iv_off << MOVE_OFFSET_SHIFT)); - append_cmd(desc, CMD_LOAD | ENABLE_AUTO_INFO_FIFO); - - /* Copy generated IV to memory */ - append_seq_store(desc, ivsize, LDST_SRCDST_BYTE_CONTEXT | - LDST_CLASS_1_CCB | (ctx1_iv_off << LDST_OFFSET_SHIFT)); - - /* Load Counter into CONTEXT1 reg */ - if (is_rfc3686) - append_load_imm_be32(desc, 1, LDST_IMM | LDST_CLASS_1_CCB | - LDST_SRCDST_BYTE_CONTEXT | - ((ctx1_iv_off + CTR_RFC3686_IV_SIZE) << - LDST_OFFSET_SHIFT)); - - if (ctx1_iv_off) - append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | JUMP_COND_NCP | - (1 << JUMP_OFFSET_SHIFT)); - - /* Load operation */ - append_operation(desc, cdata->algtype | OP_ALG_AS_INITFINAL | - OP_ALG_ENCRYPT); - - /* Perform operation */ - ablkcipher_append_src_dst(desc); - -#ifdef DEBUG - print_hex_dump(KERN_ERR, - "ablkcipher givenc shdesc@" __stringify(__LINE__) ": ", - DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); -#endif -} -EXPORT_SYMBOL(cnstr_shdsc_ablkcipher_givencap); - /** * cnstr_shdsc_xts_ablkcipher_encap - xts ablkcipher encapsulation shared * descriptor diff --git a/drivers/crypto/caam/caamalg_desc.h b/drivers/crypto/caam/caamalg_desc.h index a917af5776ce..f726f54a05b8 100644 --- a/drivers/crypto/caam/caamalg_desc.h +++ b/drivers/crypto/caam/caamalg_desc.h @@ -104,10 +104,6 @@ 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); diff --git a/drivers/crypto/caam/caamalg_qi.c b/drivers/crypto/caam/caamalg_qi.c index d7aa7d7ff102..211b48f6283c 100644 --- a/drivers/crypto/caam/caamalg_qi.c +++ b/drivers/crypto/caam/caamalg_qi.c @@ -50,7 +50,6 @@ struct caam_ctx { struct device *jrdev; u32 sh_desc_enc[DESC_MAX_USED_LEN]; u32 sh_desc_dec[DESC_MAX_USED_LEN]; - u32 sh_desc_givenc[DESC_MAX_USED_LEN]; u8 key[CAAM_MAX_KEY_SIZE]; dma_addr_t key_dma; enum dma_data_direction dir; @@ -629,13 +628,11 @@ static int ablkcipher_setkey(struct crypto_ablkcipher *ablkcipher, ctx->cdata.key_virt = key; ctx->cdata.key_inline = true; - /* ablkcipher encrypt, decrypt, givencrypt shared descriptors */ + /* ablkcipher encrypt, decrypt shared descriptors */ cnstr_shdsc_ablkcipher_encap(ctx->sh_desc_enc, &ctx->cdata, ivsize, is_rfc3686, ctx1_iv_off); cnstr_shdsc_ablkcipher_decap(ctx->sh_desc_dec, &ctx->cdata, ivsize, is_rfc3686, ctx1_iv_off); - cnstr_shdsc_ablkcipher_givencap(ctx->sh_desc_givenc, &ctx->cdata, - ivsize, is_rfc3686, ctx1_iv_off); /* Now update the driver contexts with the new shared descriptor */ if (ctx->drv_ctx[ENCRYPT]) { @@ -656,15 +653,6 @@ static int ablkcipher_setkey(struct crypto_ablkcipher *ablkcipher, } } - if (ctx->drv_ctx[GIVENCRYPT]) { - ret = caam_drv_ctx_update(ctx->drv_ctx[GIVENCRYPT], - ctx->sh_desc_givenc); - if (ret) { - dev_err(jrdev, "driver givenc context update failed\n"); - goto badkey; - } - } - return ret; badkey: crypto_ablkcipher_set_flags(ablkcipher, CRYPTO_TFM_RES_BAD_KEY_LEN); @@ -781,10 +769,8 @@ static struct caam_drv_ctx *get_drv_ctx(struct caam_ctx *ctx, if (type == ENCRYPT) desc = ctx->sh_desc_enc; - else if (type == DECRYPT) + else /* (type == DECRYPT) */ desc = ctx->sh_desc_dec; - else /* (type == GIVENCRYPT) */ - desc = ctx->sh_desc_givenc; cpu = smp_processor_id(); drv_ctx = caam_drv_ctx_init(ctx->qidev, &cpu, desc); @@ -803,8 +789,7 @@ static struct caam_drv_ctx *get_drv_ctx(struct caam_ctx *ctx, static void caam_unmap(struct device *dev, struct scatterlist *src, struct scatterlist *dst, int src_nents, int dst_nents, dma_addr_t iv_dma, int ivsize, - enum optype op_type, dma_addr_t qm_sg_dma, - int qm_sg_bytes) + dma_addr_t qm_sg_dma, int qm_sg_bytes) { if (dst != src) { if (src_nents) @@ -815,9 +800,7 @@ static void caam_unmap(struct device *dev, struct scatterlist *src, } if (iv_dma) - dma_unmap_single(dev, iv_dma, ivsize, - op_type == GIVENCRYPT ? DMA_FROM_DEVICE : - DMA_TO_DEVICE); + dma_unmap_single(dev, iv_dma, ivsize, DMA_TO_DEVICE); if (qm_sg_bytes) dma_unmap_single(dev, qm_sg_dma, qm_sg_bytes, DMA_TO_DEVICE); } @@ -830,8 +813,7 @@ static void aead_unmap(struct device *dev, int ivsize = crypto_aead_ivsize(aead); caam_unmap(dev, req->src, req->dst, edesc->src_nents, edesc->dst_nents, - edesc->iv_dma, ivsize, edesc->drv_req.drv_ctx->op_type, - edesc->qm_sg_dma, edesc->qm_sg_bytes); + edesc->iv_dma, ivsize, edesc->qm_sg_dma, edesc->qm_sg_bytes); dma_unmap_single(dev, edesc->assoclen_dma, 4, DMA_TO_DEVICE); } @@ -843,8 +825,7 @@ static void ablkcipher_unmap(struct device *dev, int ivsize = crypto_ablkcipher_ivsize(ablkcipher); caam_unmap(dev, req->src, req->dst, edesc->src_nents, edesc->dst_nents, - edesc->iv_dma, ivsize, edesc->drv_req.drv_ctx->op_type, - edesc->qm_sg_dma, edesc->qm_sg_bytes); + edesc->iv_dma, ivsize, edesc->qm_sg_dma, edesc->qm_sg_bytes); } static void aead_done(struct caam_drv_req *drv_req, u32 status) @@ -902,9 +883,8 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req, int in_len, out_len; struct qm_sg_entry *sg_table, *fd_sgt; struct caam_drv_ctx *drv_ctx; - enum optype op_type = encrypt ? ENCRYPT : DECRYPT; - drv_ctx = get_drv_ctx(ctx, op_type); + drv_ctx = get_drv_ctx(ctx, encrypt ? ENCRYPT : DECRYPT); if (unlikely(IS_ERR_OR_NULL(drv_ctx))) return (struct aead_edesc *)drv_ctx; @@ -994,7 +974,7 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req, dev_err(qidev, "No space for %d S/G entries and/or %dB IV\n", qm_sg_ents, ivsize); caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0, - 0, 0, 0, 0); + 0, 0, 0); qi_cache_free(edesc); return ERR_PTR(-ENOMEM); } @@ -1009,7 +989,7 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req, if (dma_mapping_error(qidev, iv_dma)) { dev_err(qidev, "unable to map IV\n"); caam_unmap(qidev, req->src, req->dst, src_nents, - dst_nents, 0, 0, 0, 0, 0); + dst_nents, 0, 0, 0, 0); qi_cache_free(edesc); return ERR_PTR(-ENOMEM); } @@ -1028,7 +1008,7 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req, if (dma_mapping_error(qidev, edesc->assoclen_dma)) { dev_err(qidev, "unable to map assoclen\n"); caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, - iv_dma, ivsize, op_type, 0, 0); + iv_dma, ivsize, 0, 0); qi_cache_free(edesc); return ERR_PTR(-ENOMEM); } @@ -1051,7 +1031,7 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req, dev_err(qidev, "unable to map S/G table\n"); dma_unmap_single(qidev, edesc->assoclen_dma, 4, DMA_TO_DEVICE); caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, - iv_dma, ivsize, op_type, 0, 0); + iv_dma, ivsize, 0, 0); qi_cache_free(edesc); return ERR_PTR(-ENOMEM); } @@ -1167,22 +1147,11 @@ static void ablkcipher_done(struct caam_drv_req *drv_req, u32 status) ablkcipher_unmap(qidev, edesc, req); - /* In case initial IV was generated, copy it in GIVCIPHER request */ - if (edesc->drv_req.drv_ctx->op_type == GIVENCRYPT) { - u8 *iv; - struct skcipher_givcrypt_request *greq; - - greq = container_of(req, struct skcipher_givcrypt_request, - creq); - iv = (u8 *)edesc->sgt + edesc->qm_sg_bytes; - memcpy(greq->giv, iv, ivsize); - } - /* * The crypto API expects us to set the IV (req->info) to the last * ciphertext block. This is used e.g. by the CTS mode. */ - if (edesc->drv_req.drv_ctx->op_type != DECRYPT) + if (edesc->drv_req.drv_ctx->op_type == ENCRYPT) scatterwalk_map_and_copy(req->info, req->dst, req->nbytes - ivsize, ivsize, 0); @@ -1206,9 +1175,8 @@ static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request int dst_sg_idx, qm_sg_ents, qm_sg_bytes; struct qm_sg_entry *sg_table, *fd_sgt; struct caam_drv_ctx *drv_ctx; - enum optype op_type = encrypt ? ENCRYPT : DECRYPT; - drv_ctx = get_drv_ctx(ctx, op_type); + drv_ctx = get_drv_ctx(ctx, encrypt ? ENCRYPT : DECRYPT); if (unlikely(IS_ERR_OR_NULL(drv_ctx))) return (struct ablkcipher_edesc *)drv_ctx; @@ -1260,7 +1228,7 @@ static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request dev_err(qidev, "No space for %d S/G entries and/or %dB IV\n", qm_sg_ents, ivsize); caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0, - 0, 0, 0, 0); + 0, 0, 0); return ERR_PTR(-ENOMEM); } @@ -1269,7 +1237,7 @@ static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request if (unlikely(!edesc)) { dev_err(qidev, "could not allocate extended descriptor\n"); caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0, - 0, 0, 0, 0); + 0, 0, 0); return ERR_PTR(-ENOMEM); } @@ -1282,7 +1250,7 @@ static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request if (dma_mapping_error(qidev, iv_dma)) { dev_err(qidev, "unable to map IV\n"); caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0, - 0, 0, 0, 0); + 0, 0, 0); qi_cache_free(edesc); return ERR_PTR(-ENOMEM); } @@ -1307,7 +1275,7 @@ static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request if (dma_mapping_error(qidev, edesc->qm_sg_dma)) { dev_err(qidev, "unable to map S/G table\n"); caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, - iv_dma, ivsize, op_type, 0, 0); + iv_dma, ivsize, 0, 0); qi_cache_free(edesc); return ERR_PTR(-ENOMEM); } @@ -1331,144 +1299,6 @@ static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request return edesc; } -static struct ablkcipher_edesc *ablkcipher_giv_edesc_alloc( - struct skcipher_givcrypt_request *creq) -{ - struct ablkcipher_request *req = &creq->creq; - struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); - struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher); - struct device *qidev = ctx->qidev; - gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? - GFP_KERNEL : GFP_ATOMIC; - int src_nents, mapped_src_nents, dst_nents, mapped_dst_nents; - struct ablkcipher_edesc *edesc; - dma_addr_t iv_dma; - u8 *iv; - int ivsize = crypto_ablkcipher_ivsize(ablkcipher); - struct qm_sg_entry *sg_table, *fd_sgt; - int dst_sg_idx, qm_sg_ents, qm_sg_bytes; - struct caam_drv_ctx *drv_ctx; - - drv_ctx = get_drv_ctx(ctx, GIVENCRYPT); - if (unlikely(IS_ERR_OR_NULL(drv_ctx))) - return (struct ablkcipher_edesc *)drv_ctx; - - src_nents = sg_nents_for_len(req->src, req->nbytes); - if (unlikely(src_nents < 0)) { - dev_err(qidev, "Insufficient bytes (%d) in src S/G\n", - req->nbytes); - return ERR_PTR(src_nents); - } - - if (unlikely(req->src != req->dst)) { - dst_nents = sg_nents_for_len(req->dst, req->nbytes); - if (unlikely(dst_nents < 0)) { - dev_err(qidev, "Insufficient bytes (%d) in dst S/G\n", - req->nbytes); - return ERR_PTR(dst_nents); - } - - mapped_src_nents = dma_map_sg(qidev, req->src, src_nents, - DMA_TO_DEVICE); - if (unlikely(!mapped_src_nents)) { - dev_err(qidev, "unable to map source\n"); - return ERR_PTR(-ENOMEM); - } - - mapped_dst_nents = dma_map_sg(qidev, req->dst, dst_nents, - DMA_FROM_DEVICE); - if (unlikely(!mapped_dst_nents)) { - dev_err(qidev, "unable to map destination\n"); - dma_unmap_sg(qidev, req->src, src_nents, DMA_TO_DEVICE); - return ERR_PTR(-ENOMEM); - } - } else { - mapped_src_nents = dma_map_sg(qidev, req->src, src_nents, - DMA_BIDIRECTIONAL); - if (unlikely(!mapped_src_nents)) { - dev_err(qidev, "unable to map source\n"); - return ERR_PTR(-ENOMEM); - } - - dst_nents = src_nents; - mapped_dst_nents = src_nents; - } - - qm_sg_ents = mapped_src_nents > 1 ? mapped_src_nents : 0; - dst_sg_idx = qm_sg_ents; - - qm_sg_ents += 1 + mapped_dst_nents; - qm_sg_bytes = qm_sg_ents * sizeof(struct qm_sg_entry); - if (unlikely(offsetof(struct ablkcipher_edesc, sgt) + qm_sg_bytes + - ivsize > CAAM_QI_MEMCACHE_SIZE)) { - dev_err(qidev, "No space for %d S/G entries and/or %dB IV\n", - qm_sg_ents, ivsize); - caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0, - 0, 0, 0, 0); - return ERR_PTR(-ENOMEM); - } - - /* allocate space for base edesc, link tables and IV */ - edesc = qi_cache_alloc(GFP_DMA | flags); - if (!edesc) { - dev_err(qidev, "could not allocate extended descriptor\n"); - caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0, - 0, 0, 0, 0); - return ERR_PTR(-ENOMEM); - } - - /* Make sure IV is located in a DMAable area */ - sg_table = &edesc->sgt[0]; - iv = (u8 *)(sg_table + qm_sg_ents); - iv_dma = dma_map_single(qidev, iv, ivsize, DMA_FROM_DEVICE); - if (dma_mapping_error(qidev, iv_dma)) { - dev_err(qidev, "unable to map IV\n"); - caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0, - 0, 0, 0, 0); - qi_cache_free(edesc); - return ERR_PTR(-ENOMEM); - } - - edesc->src_nents = src_nents; - edesc->dst_nents = dst_nents; - edesc->iv_dma = iv_dma; - edesc->qm_sg_bytes = qm_sg_bytes; - edesc->drv_req.app_ctx = req; - edesc->drv_req.cbk = ablkcipher_done; - edesc->drv_req.drv_ctx = drv_ctx; - - if (mapped_src_nents > 1) - sg_to_qm_sg_last(req->src, mapped_src_nents, sg_table, 0); - - dma_to_qm_sg_one(sg_table + dst_sg_idx, iv_dma, ivsize, 0); - sg_to_qm_sg_last(req->dst, mapped_dst_nents, sg_table + dst_sg_idx + 1, - 0); - - edesc->qm_sg_dma = dma_map_single(qidev, sg_table, edesc->qm_sg_bytes, - DMA_TO_DEVICE); - if (dma_mapping_error(qidev, edesc->qm_sg_dma)) { - dev_err(qidev, "unable to map S/G table\n"); - caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, - iv_dma, ivsize, GIVENCRYPT, 0, 0); - qi_cache_free(edesc); - return ERR_PTR(-ENOMEM); - } - - fd_sgt = &edesc->drv_req.fd_sgt[0]; - - if (mapped_src_nents > 1) - dma_to_qm_sg_one_ext(&fd_sgt[1], edesc->qm_sg_dma, req->nbytes, - 0); - else - dma_to_qm_sg_one(&fd_sgt[1], sg_dma_address(req->src), - req->nbytes, 0); - - dma_to_qm_sg_one_ext(&fd_sgt[0], edesc->qm_sg_dma + dst_sg_idx * - sizeof(*sg_table), ivsize + req->nbytes, 0); - - return edesc; -} - static inline int ablkcipher_crypt(struct ablkcipher_request *req, bool encrypt) { struct ablkcipher_edesc *edesc; @@ -1514,33 +1344,6 @@ static int ablkcipher_decrypt(struct ablkcipher_request *req) return ablkcipher_crypt(req, false); } -static int ablkcipher_givencrypt(struct skcipher_givcrypt_request *creq) -{ - struct ablkcipher_request *req = &creq->creq; - struct ablkcipher_edesc *edesc; - struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); - struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher); - int ret; - - if (unlikely(caam_congested)) - return -EAGAIN; - - /* allocate extended descriptor */ - edesc = ablkcipher_giv_edesc_alloc(creq); - if (IS_ERR(edesc)) - return PTR_ERR(edesc); - - ret = caam_qi_enqueue(ctx->qidev, &edesc->drv_req); - if (!ret) { - ret = -EINPROGRESS; - } else { - ablkcipher_unmap(ctx->qidev, edesc, req); - qi_cache_free(edesc); - } - - return ret; -} - #define template_ablkcipher template_u.ablkcipher struct caam_alg_template { char name[CRYPTO_MAX_ALG_NAME]; @@ -1560,13 +1363,10 @@ static struct caam_alg_template driver_algs[] = { .name = "cbc(aes)", .driver_name = "cbc-aes-caam-qi", .blocksize = AES_BLOCK_SIZE, - .type = CRYPTO_ALG_TYPE_GIVCIPHER, .template_ablkcipher = { .setkey = ablkcipher_setkey, .encrypt = ablkcipher_encrypt, .decrypt = ablkcipher_decrypt, - .givencrypt = ablkcipher_givencrypt, - .geniv = "<built-in>", .min_keysize = AES_MIN_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE, .ivsize = AES_BLOCK_SIZE, @@ -1577,13 +1377,10 @@ static struct caam_alg_template driver_algs[] = { .name = "cbc(des3_ede)", .driver_name = "cbc-3des-caam-qi", .blocksize = DES3_EDE_BLOCK_SIZE, - .type = CRYPTO_ALG_TYPE_GIVCIPHER, .template_ablkcipher = { .setkey = ablkcipher_setkey, .encrypt = ablkcipher_encrypt, .decrypt = ablkcipher_decrypt, - .givencrypt = ablkcipher_givencrypt, - .geniv = "<built-in>", .min_keysize = DES3_EDE_KEY_SIZE, .max_keysize = DES3_EDE_KEY_SIZE, .ivsize = DES3_EDE_BLOCK_SIZE, @@ -1594,13 +1391,10 @@ static struct caam_alg_template driver_algs[] = { .name = "cbc(des)", .driver_name = "cbc-des-caam-qi", .blocksize = DES_BLOCK_SIZE, - .type = CRYPTO_ALG_TYPE_GIVCIPHER, .template_ablkcipher = { .setkey = ablkcipher_setkey, .encrypt = ablkcipher_encrypt, .decrypt = ablkcipher_decrypt, - .givencrypt = ablkcipher_givencrypt, - .geniv = "<built-in>", .min_keysize = DES_KEY_SIZE, .max_keysize = DES_KEY_SIZE, .ivsize = DES_BLOCK_SIZE, @@ -1611,7 +1405,6 @@ static struct caam_alg_template driver_algs[] = { .name = "ctr(aes)", .driver_name = "ctr-aes-caam-qi", .blocksize = 1, - .type = CRYPTO_ALG_TYPE_ABLKCIPHER, .template_ablkcipher = { .setkey = ablkcipher_setkey, .encrypt = ablkcipher_encrypt, @@ -1627,13 +1420,10 @@ static struct caam_alg_template driver_algs[] = { .name = "rfc3686(ctr(aes))", .driver_name = "rfc3686-ctr-aes-caam-qi", .blocksize = 1, - .type = CRYPTO_ALG_TYPE_GIVCIPHER, .template_ablkcipher = { .setkey = ablkcipher_setkey, .encrypt = ablkcipher_encrypt, .decrypt = ablkcipher_decrypt, - .givencrypt = ablkcipher_givencrypt, - .geniv = "<built-in>", .min_keysize = AES_MIN_KEY_SIZE + CTR_RFC3686_NONCE_SIZE, .max_keysize = AES_MAX_KEY_SIZE + @@ -1646,7 +1436,6 @@ static struct caam_alg_template driver_algs[] = { .name = "xts(aes)", .driver_name = "xts-aes-caam-qi", .blocksize = AES_BLOCK_SIZE, - .type = CRYPTO_ALG_TYPE_ABLKCIPHER, .template_ablkcipher = { .setkey = xts_ablkcipher_setkey, .encrypt = ablkcipher_encrypt, @@ -2572,7 +2361,6 @@ static int caam_init_common(struct caam_ctx *ctx, struct caam_alg_entry *caam, spin_lock_init(&ctx->lock); ctx->drv_ctx[ENCRYPT] = NULL; ctx->drv_ctx[DECRYPT] = NULL; - ctx->drv_ctx[GIVENCRYPT] = NULL; return 0; } @@ -2602,7 +2390,6 @@ static void caam_exit_common(struct caam_ctx *ctx) { caam_drv_ctx_rel(ctx->drv_ctx[ENCRYPT]); caam_drv_ctx_rel(ctx->drv_ctx[DECRYPT]); - caam_drv_ctx_rel(ctx->drv_ctx[GIVENCRYPT]); dma_unmap_single(ctx->jrdev, ctx->key_dma, sizeof(ctx->key), ctx->dir); @@ -2665,17 +2452,9 @@ static struct caam_crypto_alg *caam_alg_alloc(struct caam_alg_template alg->cra_alignmask = 0; alg->cra_ctxsize = sizeof(struct caam_ctx); alg->cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY | - template->type; - switch (template->type) { - case CRYPTO_ALG_TYPE_GIVCIPHER: - alg->cra_type = &crypto_givcipher_type; - alg->cra_ablkcipher = template->template_ablkcipher; - break; - case CRYPTO_ALG_TYPE_ABLKCIPHER: - alg->cra_type = &crypto_ablkcipher_type; - alg->cra_ablkcipher = template->template_ablkcipher; - break; - } + CRYPTO_ALG_TYPE_ABLKCIPHER; + alg->cra_type = &crypto_ablkcipher_type; + alg->cra_ablkcipher = template->template_ablkcipher; t_alg->caam.class1_alg_type = template->class1_alg_type; t_alg->caam.class2_alg_type = template->class2_alg_type; diff --git a/drivers/crypto/caam/qi.h b/drivers/crypto/caam/qi.h index 357b69f57072..bc421da5ad8b 100644 --- a/drivers/crypto/caam/qi.h +++ b/drivers/crypto/caam/qi.h @@ -62,7 +62,6 @@ typedef void (*caam_qi_cbk)(struct caam_drv_req *drv_req, u32 status); enum optype { ENCRYPT, DECRYPT, - GIVENCRYPT, NUM_OP }; -- 2.16.2
