crypto: caam - ablkcipher support

caam now supports encrypt and decrypt
for aes, des and 3des

Signed-off-by: Yuan Kang <Yuan.Kang@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 510 insertions, 0 deletions

diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index ed7d59d168af..4159265b453b 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -69,6 +69,12 @@
 #define DESC_AEAD_DEC_LEN               (DESC_AEAD_BASE + 21 * CAAM_CMD_SZ)
 #define DESC_AEAD_GIVENC_LEN            (DESC_AEAD_ENC_LEN + 7 * 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)
+
 #define DESC_MAX_USED_BYTES             (DESC_AEAD_GIVENC_LEN + \
                                          CAAM_MAX_KEY_SIZE)
 #define DESC_MAX_USED_LEN               (DESC_MAX_USED_BYTES / CAAM_CMD_SZ)
@@ -132,6 +138,19 @@ static inline void aead_append_ld_iv(u32 *desc, int ivsize)
 }
 
 /*
+ * For ablkcipher encrypt and decrypt, read from req->src and
+ * write to req->dst
+ */
+static inline void ablkcipher_append_src_dst(u32 *desc)
+{
+        append_math_add(desc, VARSEQOUTLEN, SEQINLEN, REG0, CAAM_CMD_SZ); \
+        append_math_add(desc, VARSEQINLEN, SEQINLEN, REG0, CAAM_CMD_SZ); \
+        append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS1 | \
+                             KEY_VLF | FIFOLD_TYPE_MSG | FIFOLD_TYPE_LAST1); \
+        append_seq_fifo_store(desc, 0, FIFOST_TYPE_MESSAGE_DATA | KEY_VLF); \
+}
+
+/*
  * If all data, including src (with assoc and iv) or dst (with iv only) are
  * contiguous
  */
@@ -625,6 +644,119 @@ badkey:
         return -EINVAL;
 }
 
+static int ablkcipher_setkey(struct crypto_ablkcipher *ablkcipher,
+                             const u8 *key, unsigned int keylen)
+{
+        struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher);
+        struct ablkcipher_tfm *tfm = &ablkcipher->base.crt_ablkcipher;
+        struct device *jrdev = ctx->jrdev;
+        int ret = 0;
+        u32 *key_jump_cmd, *jump_cmd;
+        u32 *desc;
+
+#ifdef DEBUG
+        print_hex_dump(KERN_ERR, "key in @"xstr(__LINE__)": ",
+                       DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);
+#endif
+
+        memcpy(ctx->key, key, keylen);
+        ctx->key_dma = dma_map_single(jrdev, ctx->key, keylen,
+                                      DMA_TO_DEVICE);
+        if (dma_mapping_error(jrdev, ctx->key_dma)) {
+                dev_err(jrdev, "unable to map key i/o memory\n");
+                return -ENOMEM;
+        }
+        ctx->enckeylen = keylen;
+
+        /* ablkcipher_encrypt shared descriptor */
+        desc = ctx->sh_desc_enc;
+        init_sh_desc(desc, HDR_SHARE_WAIT);
+        /* 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, (void *)ctx->key, ctx->enckeylen,
+                          ctx->enckeylen, CLASS_1 |
+                          KEY_DEST_CLASS_REG);
+
+        set_jump_tgt_here(desc, key_jump_cmd);
+
+        /* Propagate errors from shared to job descriptor */
+        append_cmd(desc, SET_OK_PROP_ERRORS | CMD_LOAD);
+
+        /* Load iv */
+        append_cmd(desc, CMD_SEQ_LOAD | LDST_SRCDST_BYTE_CONTEXT |
+                   LDST_CLASS_1_CCB | tfm->ivsize);
+
+        /* Load operation */
+        append_operation(desc, ctx->class1_alg_type |
+                         OP_ALG_AS_INITFINAL | OP_ALG_ENCRYPT);
+
+        /* Perform operation */
+        ablkcipher_append_src_dst(desc);
+
+        ctx->sh_desc_enc_dma = dma_map_single(jrdev, desc,
+                                              desc_bytes(desc),
+                                              DMA_TO_DEVICE);
+        if (dma_mapping_error(jrdev, ctx->sh_desc_enc_dma)) {
+                dev_err(jrdev, "unable to map shared descriptor\n");
+                return -ENOMEM;
+        }
+#ifdef DEBUG
+        print_hex_dump(KERN_ERR, "ablkcipher enc shdesc@"xstr(__LINE__)": ",
+                       DUMP_PREFIX_ADDRESS, 16, 4, desc,
+                       desc_bytes(desc), 1);
+#endif
+        /* ablkcipher_decrypt shared descriptor */
+        desc = ctx->sh_desc_dec;
+
+        init_sh_desc(desc, HDR_SHARE_WAIT);
+        /* 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, (void *)ctx->key, ctx->enckeylen,
+                          ctx->enckeylen, CLASS_1 |
+                          KEY_DEST_CLASS_REG);
+
+        /* For aead, only propagate error immediately if shared */
+        jump_cmd = append_jump(desc, JUMP_TEST_ALL);
+        set_jump_tgt_here(desc, key_jump_cmd);
+        append_cmd(desc, SET_OK_PROP_ERRORS | CMD_LOAD);
+        set_jump_tgt_here(desc, jump_cmd);
+
+        /* load IV */
+        append_cmd(desc, CMD_SEQ_LOAD | LDST_SRCDST_BYTE_CONTEXT |
+                   LDST_CLASS_1_CCB | tfm->ivsize);
+
+        /* Choose operation */
+        append_dec_op1(desc, ctx->class1_alg_type);
+
+        /* Perform operation */
+        ablkcipher_append_src_dst(desc);
+
+        /* Wait for key to load before allowing propagating error */
+        append_dec_shr_done(desc);
+
+        ctx->sh_desc_dec_dma = dma_map_single(jrdev, desc,
+                                              desc_bytes(desc),
+                                              DMA_TO_DEVICE);
+        if (dma_mapping_error(jrdev, ctx->sh_desc_enc_dma)) {
+                dev_err(jrdev, "unable to map shared descriptor\n");
+                return -ENOMEM;
+        }
+
+#ifdef DEBUG
+        print_hex_dump(KERN_ERR, "ablkcipher dec shdesc@"xstr(__LINE__)": ",
+                       DUMP_PREFIX_ADDRESS, 16, 4, desc,
+                       desc_bytes(desc), 1);
+#endif
+
+        return ret;
+}
+
 struct link_tbl_entry {
         u64 ptr;
         u32 len;
@@ -655,6 +787,26 @@ struct aead_edesc {
         u32 hw_desc[0];
 };
 
+/*
+ * ablkcipher_edesc - s/w-extended ablkcipher descriptor
+ * @src_nents: number of segments in input scatterlist
+ * @dst_nents: number of segments in output scatterlist
+ * @iv_dma: dma address of iv for checking continuity and link table
+ * @desc: h/w descriptor (variable length; must not exceed MAX_CAAM_DESCSIZE)
+ * @link_tbl_bytes: length of dma mapped link_tbl space
+ * @link_tbl_dma: bus physical mapped address of h/w link table
+ * @hw_desc: the h/w job descriptor followed by any referenced link tables
+ */
+struct ablkcipher_edesc {
+        int src_nents;
+        int dst_nents;
+        dma_addr_t iv_dma;
+        int link_tbl_bytes;
+        dma_addr_t link_tbl_dma;
+        struct link_tbl_entry *link_tbl;
+        u32 hw_desc[0];
+};
+
 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, dma_addr_t link_tbl_dma,
@@ -689,6 +841,19 @@ static void aead_unmap(struct device *dev,
                    edesc->link_tbl_bytes);
 }
 
+static void ablkcipher_unmap(struct device *dev,
+                             struct ablkcipher_edesc *edesc,
+                             struct ablkcipher_request *req)
+{
+        struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
+        int ivsize = crypto_ablkcipher_ivsize(ablkcipher);
+
+        caam_unmap(dev, req->src, req->dst,
+                   edesc->src_nents, edesc->dst_nents,
+                   edesc->iv_dma, ivsize, edesc->link_tbl_dma,
+                   edesc->link_tbl_bytes);
+}
+
 static void aead_encrypt_done(struct device *jrdev, u32 *desc, u32 err,
                                    void *context)
 {
@@ -790,6 +955,77 @@ static void aead_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
         aead_request_complete(req, err);
 }
 
+static void ablkcipher_encrypt_done(struct device *jrdev, u32 *desc, u32 err,
+                                   void *context)
+{
+        struct ablkcipher_request *req = context;
+        struct ablkcipher_edesc *edesc;
+#ifdef DEBUG
+        struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
+        int ivsize = crypto_ablkcipher_ivsize(ablkcipher);
+
+        dev_err(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
+#endif
+
+        edesc = (struct ablkcipher_edesc *)((char *)desc -
+                 offsetof(struct ablkcipher_edesc, hw_desc));
+
+        if (err) {
+                char tmp[CAAM_ERROR_STR_MAX];
+
+                dev_err(jrdev, "%08x: %s\n", err, caam_jr_strstatus(tmp, err));
+        }
+
+#ifdef DEBUG
+        print_hex_dump(KERN_ERR, "dstiv  @"xstr(__LINE__)": ",
+                       DUMP_PREFIX_ADDRESS, 16, 4, req->info,
+                       edesc->src_nents > 1 ? 100 : ivsize, 1);
+        print_hex_dump(KERN_ERR, "dst    @"xstr(__LINE__)": ",
+                       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(req->src),
+                       edesc->dst_nents > 1 ? 100 : req->nbytes, 1);
+#endif
+
+        ablkcipher_unmap(jrdev, edesc, req);
+        kfree(edesc);
+
+        ablkcipher_request_complete(req, err);
+}
+
+static void ablkcipher_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
+                                    void *context)
+{
+        struct ablkcipher_request *req = context;
+        struct ablkcipher_edesc *edesc;
+#ifdef DEBUG
+        struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
+        int ivsize = crypto_ablkcipher_ivsize(ablkcipher);
+
+        dev_err(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
+#endif
+
+        edesc = (struct ablkcipher_edesc *)((char *)desc -
+                 offsetof(struct ablkcipher_edesc, hw_desc));
+        if (err) {
+                char tmp[CAAM_ERROR_STR_MAX];
+
+                dev_err(jrdev, "%08x: %s\n", err, caam_jr_strstatus(tmp, err));
+        }
+
+#ifdef DEBUG
+        print_hex_dump(KERN_ERR, "dstiv  @"xstr(__LINE__)": ",
+                       DUMP_PREFIX_ADDRESS, 16, 4, req->info,
+                       ivsize, 1);
+        print_hex_dump(KERN_ERR, "dst    @"xstr(__LINE__)": ",
+                       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(req->src),
+                       edesc->dst_nents > 1 ? 100 : req->nbytes, 1);
+#endif
+
+        ablkcipher_unmap(jrdev, edesc, req);
+        kfree(edesc);
+
+        ablkcipher_request_complete(req, err);
+}
+
 static void sg_to_link_tbl_one(struct link_tbl_entry *link_tbl_ptr,
                                dma_addr_t dma, u32 len, u32 offset)
 {
@@ -978,6 +1214,63 @@ static void init_aead_giv_job(u32 *sh_desc, dma_addr_t ptr,
 }
 
 /*
+ * Fill in ablkcipher job descriptor
+ */
+static void init_ablkcipher_job(u32 *sh_desc, dma_addr_t ptr,
+                                struct ablkcipher_edesc *edesc,
+                                struct ablkcipher_request *req,
+                                bool iv_contig)
+{
+        struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
+        int ivsize = crypto_ablkcipher_ivsize(ablkcipher);
+        u32 *desc = edesc->hw_desc;
+        u32 out_options = 0, in_options;
+        dma_addr_t dst_dma, src_dma;
+        int len, link_tbl_index = 0;
+
+#ifdef DEBUG
+        print_hex_dump(KERN_ERR, "presciv@"xstr(__LINE__)": ",
+                       DUMP_PREFIX_ADDRESS, 16, 4, req->info,
+                       ivsize, 1);
+        print_hex_dump(KERN_ERR, "src    @"xstr(__LINE__)": ",
+                       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(req->src),
+                       edesc->src_nents ? 100 : req->nbytes, 1);
+#endif
+
+        len = desc_len(sh_desc);
+        init_job_desc_shared(desc, ptr, len, HDR_SHARE_DEFER | HDR_REVERSE);
+
+        if (iv_contig) {
+                src_dma = edesc->iv_dma;
+                in_options = 0;
+        } else {
+                src_dma = edesc->link_tbl_dma;
+                link_tbl_index += (iv_contig ? 0 : 1) + edesc->src_nents;
+                in_options = LDST_SGF;
+        }
+        append_seq_in_ptr(desc, src_dma, req->nbytes + ivsize, in_options);
+
+        if (likely(req->src == req->dst)) {
+                if (!edesc->src_nents && iv_contig) {
+                        dst_dma = sg_dma_address(req->src);
+                } else {
+                        dst_dma = edesc->link_tbl_dma +
+                                sizeof(struct link_tbl_entry);
+                        out_options = LDST_SGF;
+                }
+        } else {
+                if (!edesc->dst_nents) {
+                        dst_dma = sg_dma_address(req->dst);
+                } else {
+                        dst_dma = edesc->link_tbl_dma +
+                                link_tbl_index * sizeof(struct link_tbl_entry);
+                        out_options = LDST_SGF;
+                }
+        }
+        append_seq_out_ptr(desc, dst_dma, req->nbytes, out_options);
+}
+
+/*
  * derive number of elements in scatterlist
  */
 static int sg_count(struct scatterlist *sg_list, int nbytes)
@@ -1327,7 +1620,171 @@ static int aead_givencrypt(struct aead_givcrypt_request *areq)
         return ret;
 }
 
+/*
+ * allocate and map the ablkcipher extended descriptor for ablkcipher
+ */
+static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request
+                                                       *req, int desc_bytes,
+                                                       bool *iv_contig_out)
+{
+        struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
+        struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher);
+        struct device *jrdev = ctx->jrdev;
+        gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
+                                          CRYPTO_TFM_REQ_MAY_SLEEP)) ?
+                       GFP_KERNEL : GFP_ATOMIC;
+        int src_nents, dst_nents = 0, link_tbl_bytes;
+        struct ablkcipher_edesc *edesc;
+        dma_addr_t iv_dma = 0;
+        bool iv_contig = false;
+        int sgc;
+        int ivsize = crypto_ablkcipher_ivsize(ablkcipher);
+        int link_tbl_index;
+
+        src_nents = sg_count(req->src, req->nbytes);
+
+        if (unlikely(req->dst != req->src))
+                dst_nents = sg_count(req->dst, req->nbytes);
+
+        if (likely(req->src == req->dst)) {
+                sgc = dma_map_sg(jrdev, req->src, src_nents ? : 1,
+                                 DMA_BIDIRECTIONAL);
+        } else {
+                sgc = dma_map_sg(jrdev, req->src, src_nents ? : 1,
+                                 DMA_TO_DEVICE);
+                sgc = dma_map_sg(jrdev, req->dst, dst_nents ? : 1,
+                                 DMA_FROM_DEVICE);
+        }
+
+        /*
+         * Check if iv can be contiguous with source and destination.
+         * If so, include it. If not, create scatterlist.
+         */
+        iv_dma = dma_map_single(jrdev, req->info, ivsize, DMA_TO_DEVICE);
+        if (!src_nents && iv_dma + ivsize == sg_dma_address(req->src))
+                iv_contig = true;
+        else
+                src_nents = src_nents ? : 1;
+        link_tbl_bytes = ((iv_contig ? 0 : 1) + src_nents + dst_nents) *
+                         sizeof(struct link_tbl_entry);
+
+        /* allocate space for base edesc and hw desc commands, link tables */
+        edesc = kmalloc(sizeof(struct ablkcipher_edesc) + desc_bytes +
+                        link_tbl_bytes, GFP_DMA | flags);
+        if (!edesc) {
+                dev_err(jrdev, "could not allocate extended descriptor\n");
+                return ERR_PTR(-ENOMEM);
+        }
+
+        edesc->src_nents = src_nents;
+        edesc->dst_nents = dst_nents;
+        edesc->link_tbl_bytes = link_tbl_bytes;
+        edesc->link_tbl = (void *)edesc + sizeof(struct ablkcipher_edesc) +
+                          desc_bytes;
+
+        link_tbl_index = 0;
+        if (!iv_contig) {
+                sg_to_link_tbl_one(edesc->link_tbl, iv_dma, ivsize, 0);
+                sg_to_link_tbl_last(req->src, src_nents,
+                                    edesc->link_tbl + 1, 0);
+                link_tbl_index += 1 + src_nents;
+        }
+
+        if (unlikely(dst_nents)) {
+                sg_to_link_tbl_last(req->dst, dst_nents,
+                        edesc->link_tbl + link_tbl_index, 0);
+        }
+
+        edesc->link_tbl_dma = dma_map_single(jrdev, edesc->link_tbl,
+                                             link_tbl_bytes, DMA_TO_DEVICE);
+        edesc->iv_dma = iv_dma;
+
+#ifdef DEBUG
+        print_hex_dump(KERN_ERR, "ablkcipher link_tbl@"xstr(__LINE__)": ",
+                       DUMP_PREFIX_ADDRESS, 16, 4, edesc->link_tbl,
+                       link_tbl_bytes, 1);
+#endif
+
+        *iv_contig_out = iv_contig;
+        return edesc;
+}
+
+static int ablkcipher_encrypt(struct ablkcipher_request *req)
+{
+        struct ablkcipher_edesc *edesc;
+        struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
+        struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher);
+        struct device *jrdev = ctx->jrdev;
+        bool iv_contig;
+        u32 *desc;
+        int ret = 0;
+
+        /* allocate extended descriptor */
+        edesc = ablkcipher_edesc_alloc(req, DESC_JOB_IO_LEN *
+                                       CAAM_CMD_SZ, &iv_contig);
+        if (IS_ERR(edesc))
+                return PTR_ERR(edesc);
+
+        /* Create and submit job descriptor*/
+        init_ablkcipher_job(ctx->sh_desc_enc,
+                ctx->sh_desc_enc_dma, edesc, req, iv_contig);
+#ifdef DEBUG
+        print_hex_dump(KERN_ERR, "ablkcipher jobdesc@"xstr(__LINE__)": ",
+                       DUMP_PREFIX_ADDRESS, 16, 4, edesc->hw_desc,
+                       desc_bytes(edesc->hw_desc), 1);
+#endif
+        desc = edesc->hw_desc;
+        ret = caam_jr_enqueue(jrdev, desc, ablkcipher_encrypt_done, req);
+
+        if (!ret) {
+                ret = -EINPROGRESS;
+        } else {
+                ablkcipher_unmap(jrdev, edesc, req);
+                kfree(edesc);
+        }
+
+        return ret;
+}
+
+static int ablkcipher_decrypt(struct ablkcipher_request *req)
+{
+        struct ablkcipher_edesc *edesc;
+        struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
+        struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher);
+        struct device *jrdev = ctx->jrdev;
+        bool iv_contig;
+        u32 *desc;
+        int ret = 0;
+
+        /* allocate extended descriptor */
+        edesc = ablkcipher_edesc_alloc(req, DESC_JOB_IO_LEN *
+                                       CAAM_CMD_SZ, &iv_contig);
+        if (IS_ERR(edesc))
+                return PTR_ERR(edesc);
+
+        /* Create and submit job descriptor*/
+        init_ablkcipher_job(ctx->sh_desc_dec,
+                ctx->sh_desc_dec_dma, edesc, req, iv_contig);
+        desc = edesc->hw_desc;
+#ifdef DEBUG
+        print_hex_dump(KERN_ERR, "ablkcipher jobdesc@"xstr(__LINE__)": ",
+                       DUMP_PREFIX_ADDRESS, 16, 4, edesc->hw_desc,
+                       desc_bytes(edesc->hw_desc), 1);
+#endif
+
+        ret = caam_jr_enqueue(jrdev, desc, ablkcipher_decrypt_done, req);
+        if (!ret) {
+                ret = -EINPROGRESS;
+        } else {
+                ablkcipher_unmap(jrdev, edesc, req);
+                kfree(edesc);
+        }
+
+        return ret;
+}
+
 #define template_aead           template_u.aead
+#define template_ablkcipher     template_u.ablkcipher
 struct caam_alg_template {
         char name[CRYPTO_MAX_ALG_NAME];
         char driver_name[CRYPTO_MAX_ALG_NAME];
@@ -1525,6 +1982,55 @@ static struct caam_alg_template driver_algs[] = {
                                    OP_ALG_AAI_HMAC_PRECOMP,
                 .alg_op = OP_ALG_ALGSEL_SHA512 | OP_ALG_AAI_HMAC,
         },
+        /* ablkcipher descriptor */
+        {
+                .name = "cbc(aes)",
+                .driver_name = "cbc-aes-caam",
+                .blocksize = AES_BLOCK_SIZE,
+                .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+                .template_ablkcipher = {
+                        .setkey = ablkcipher_setkey,
+                        .encrypt = ablkcipher_encrypt,
+                        .decrypt = ablkcipher_decrypt,
+                        .geniv = "eseqiv",
+                        .min_keysize = AES_MIN_KEY_SIZE,
+                        .max_keysize = AES_MAX_KEY_SIZE,
+                        .ivsize = AES_BLOCK_SIZE,
+                        },
+                .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
+        },
+        {
+                .name = "cbc(des3_ede)",
+                .driver_name = "cbc-3des-caam",
+                .blocksize = DES3_EDE_BLOCK_SIZE,
+                .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+                .template_ablkcipher = {
+                        .setkey = ablkcipher_setkey,
+                        .encrypt = ablkcipher_encrypt,
+                        .decrypt = ablkcipher_decrypt,
+                        .geniv = "eseqiv",
+                        .min_keysize = DES3_EDE_KEY_SIZE,
+                        .max_keysize = DES3_EDE_KEY_SIZE,
+                        .ivsize = DES3_EDE_BLOCK_SIZE,
+                        },
+                .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
+        },
+        {
+                .name = "cbc(des)",
+                .driver_name = "cbc-des-caam",
+                .blocksize = DES_BLOCK_SIZE,
+                .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+                .template_ablkcipher = {
+                        .setkey = ablkcipher_setkey,
+                        .encrypt = ablkcipher_encrypt,
+                        .decrypt = ablkcipher_decrypt,
+                        .geniv = "eseqiv",
+                        .min_keysize = DES_KEY_SIZE,
+                        .max_keysize = DES_KEY_SIZE,
+                        .ivsize = DES_BLOCK_SIZE,
+                        },
+                .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
+        }
 };
 
 struct caam_crypto_alg {
@@ -1644,6 +2150,10 @@ static struct caam_crypto_alg *caam_alg_alloc(struct device *ctrldev,
         alg->cra_ctxsize = sizeof(struct caam_ctx);
         alg->cra_flags = CRYPTO_ALG_ASYNC | template->type;
         switch (template->type) {
+        case CRYPTO_ALG_TYPE_ABLKCIPHER:
+                alg->cra_type = &crypto_ablkcipher_type;
+                alg->cra_ablkcipher = template->template_ablkcipher;
+                break;
         case CRYPTO_ALG_TYPE_AEAD:
                 alg->cra_type = &crypto_aead_type;
                 alg->cra_aead = template->template_aead;