From: Yuan Kang <Yuan.Kang@xxxxxxxxxxxxx>
caam now supports encrypt and decrypt
for aes, des and 3des
Signed-off-by: Yuan Kang <Yuan.Kang@xxxxxxxxxxxxx>
Signed-off-by: Kim Phillips <kim.phillips@xxxxxxxxxxxxx>
---
drivers/crypto/caam/caamalg.c | 510 +++++++++++++++++++++++++++++++++++++++++
drivers/crypto/caam/compat.h | 1 +
2 files changed, 511 insertions(+), 0 deletions(-)
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index ed7d59d..4159265 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;
diff --git a/drivers/crypto/caam/compat.h b/drivers/crypto/caam/compat.h
index 9504503..d38f2af 100644
--- a/drivers/crypto/caam/compat.h
+++ b/drivers/crypto/caam/compat.h
@@ -31,5 +31,6 @@
#include <crypto/aead.h>
#include <crypto/authenc.h>
#include <crypto/scatterwalk.h>
+#include <crypto/internal/skcipher.h>
#endif /* !defined(CAAM_COMPAT_H) */
--
1.7.6
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