crypto: Add support for crypto engine 5.0
Add new register definitions for QCE5.0 Hardware
Add new HAL (qce50.c) for interfacing with CE 5.0 hardware:
-- Implement the new interface to BAM (instead of data mover).
-- Add support for multiple Pipes.
-- Add support for use of HW key.
Change-Id: I69dc3993f607553d4752f9f9fb4fdfe1a09a6345
Signed-off-by: Mona Hossain <mhossain@codeaurora.org>
diff --git a/drivers/crypto/msm/qcrypto.c b/drivers/crypto/msm/qcrypto.c
index c11c36e..7fc5cab 100644
--- a/drivers/crypto/msm/qcrypto.c
+++ b/drivers/crypto/msm/qcrypto.c
@@ -228,6 +228,13 @@
enum qce_cipher_alg_enum alg;
enum qce_cipher_dir_enum dir;
enum qce_cipher_mode_enum mode;
+
+ struct scatterlist *orig_src; /* Original src sg ptr */
+ struct scatterlist *orig_dst; /* Original dst sg ptr */
+ struct scatterlist dsg; /* Dest Data sg */
+ struct scatterlist ssg; /* Source Data sg */
+ unsigned char *data; /* Incoming data pointer*/
+
};
#define SHA_MAX_BLOCK_SIZE SHA256_BLOCK_SIZE
@@ -275,6 +282,11 @@
};
struct scatterlist *src;
uint32_t nbytes;
+
+ struct scatterlist *orig_src; /* Original src sg ptr */
+ struct scatterlist dsg; /* Data sg */
+ unsigned char *data; /* Incoming data pointer*/
+ unsigned char *data2; /* Updated data pointer*/
};
static void _byte_stream_to_words(uint32_t *iv, unsigned char *b,
@@ -497,9 +509,6 @@
&sha_ctx->ahash_req_complete);
crypto_ahash_clear_flags(ahash, ~0);
- if (sha_ctx->cp->platform_support.bus_scale_table != NULL)
- qcrypto_ce_high_bw_req(sha_ctx->cp, true);
-
return 0;
};
@@ -785,7 +794,6 @@
dev_info(&cp->pdev->dev, "_qce_ahash_complete: %p ret %d\n",
areq, ret);
#endif
-
if (digest) {
memcpy(sha_ctx->digest, digest, diglen);
memcpy(areq->result, digest, diglen);
@@ -819,6 +827,10 @@
cp->res = 0;
pstat->sha_op_success++;
}
+ if (cp->ce_support.aligned_only) {
+ areq->src = rctx->orig_src;
+ kfree(rctx->data);
+ }
if (cp->platform_support.ce_shared)
schedule_work(&cp->unlock_ce_ws);
@@ -850,6 +862,24 @@
cp->res = 0;
pstat->ablk_cipher_op_success++;
}
+
+ if (cp->ce_support.aligned_only) {
+ struct qcrypto_cipher_req_ctx *rctx;
+ struct scatterlist *sg;
+ uint32_t bytes = 0;
+
+ rctx = ablkcipher_request_ctx(areq);
+ areq->src = rctx->orig_src;
+ areq->dst = rctx->orig_dst;
+
+ for (sg = areq->dst; bytes != areq->nbytes; sg++) {
+ memcpy(sg_virt(sg), ((char *)rctx->data + bytes),
+ sg->length);
+ bytes += sg->length;
+ }
+ kfree(rctx->data);
+ }
+
if (cp->platform_support.ce_shared)
schedule_work(&cp->unlock_ce_ws);
tasklet_schedule(&cp->done_tasklet);
@@ -871,6 +901,30 @@
rctx = aead_request_ctx(areq);
if (rctx->mode == QCE_MODE_CCM) {
+ if (cp->ce_support.aligned_only) {
+ struct qcrypto_cipher_req_ctx *rctx;
+ struct scatterlist *sg;
+ uint32_t bytes = 0;
+ uint32_t nbytes = 0;
+
+ rctx = aead_request_ctx(areq);
+ areq->src = rctx->orig_src;
+ areq->dst = rctx->orig_dst;
+ if (rctx->dir == QCE_ENCRYPT)
+ nbytes = areq->cryptlen +
+ crypto_aead_authsize(aead);
+ else
+ nbytes = areq->cryptlen -
+ crypto_aead_authsize(aead);
+
+ for (sg = areq->dst; bytes != nbytes; sg++) {
+ memcpy(sg_virt(sg),
+ ((char *)rctx->data + rctx->assoclen + bytes),
+ sg->length);
+ bytes += sg->length;
+ }
+ kfree(rctx->data);
+ }
kzfree(rctx->assoc);
areq->assoc = rctx->assoc_sg;
areq->assoclen = rctx->assoclen;
@@ -997,17 +1051,222 @@
return 0;
}
+static int _qcrypto_process_ablkcipher(struct crypto_priv *cp,
+ struct crypto_async_request *async_req)
+{
+ struct qce_req qreq;
+ int ret;
+ struct qcrypto_cipher_req_ctx *rctx;
+ struct qcrypto_cipher_ctx *cipher_ctx;
+ struct ablkcipher_request *req;
+ struct crypto_ablkcipher *tfm;
+
+ req = container_of(async_req, struct ablkcipher_request, base);
+ cipher_ctx = crypto_tfm_ctx(async_req->tfm);
+ rctx = ablkcipher_request_ctx(req);
+ tfm = crypto_ablkcipher_reqtfm(req);
+ if (cp->ce_support.aligned_only) {
+ uint32_t bytes = 0;
+ struct scatterlist *sg = req->src;
+
+ rctx->orig_src = req->src;
+ rctx->orig_dst = req->dst;
+ rctx->data = kzalloc((req->nbytes + 64), GFP_KERNEL);
+ for (sg = req->src; bytes != req->nbytes; sg++) {
+ memcpy(((char *)rctx->data + bytes),
+ sg_virt(sg), sg->length);
+ bytes += sg->length;
+ }
+ sg_set_buf(&rctx->dsg, rctx->data, req->nbytes);
+ sg_mark_end(&rctx->dsg);
+ rctx->iv = req->info;
+
+ req->src = &rctx->dsg;
+ req->dst = &rctx->dsg;
+
+ }
+ qreq.op = QCE_REQ_ABLK_CIPHER;
+ qreq.qce_cb = _qce_ablk_cipher_complete;
+ qreq.areq = req;
+ qreq.alg = rctx->alg;
+ qreq.dir = rctx->dir;
+ qreq.mode = rctx->mode;
+ qreq.enckey = cipher_ctx->enc_key;
+ qreq.encklen = cipher_ctx->enc_key_len;
+ qreq.iv = req->info;
+ qreq.ivsize = crypto_ablkcipher_ivsize(tfm);
+ qreq.cryptlen = req->nbytes;
+ qreq.use_pmem = 0;
+
+ if ((cipher_ctx->enc_key_len == 0) &&
+ (cp->platform_support.hw_key_support == 0))
+ ret = -EINVAL;
+ else
+ ret = qce_ablk_cipher_req(cp->qce, &qreq);
+
+ return ret;
+}
+
+static int _qcrypto_process_ahash(struct crypto_priv *cp,
+ struct crypto_async_request *async_req)
+{
+ struct ahash_request *req;
+ struct qce_sha_req sreq;
+ struct qcrypto_sha_ctx *sha_ctx;
+ int ret = 0;
+
+ req = container_of(async_req,
+ struct ahash_request, base);
+ sha_ctx = crypto_tfm_ctx(async_req->tfm);
+
+ sreq.qce_cb = _qce_ahash_complete;
+ sreq.digest = &sha_ctx->digest[0];
+ sreq.src = req->src;
+ sreq.auth_data[0] = sha_ctx->byte_count[0];
+ sreq.auth_data[1] = sha_ctx->byte_count[1];
+ sreq.auth_data[2] = sha_ctx->byte_count[2];
+ sreq.auth_data[3] = sha_ctx->byte_count[3];
+ sreq.first_blk = sha_ctx->first_blk;
+ sreq.last_blk = sha_ctx->last_blk;
+ sreq.size = req->nbytes;
+ sreq.areq = req;
+
+ switch (sha_ctx->alg) {
+ case QCE_HASH_SHA1:
+ sreq.alg = QCE_HASH_SHA1;
+ sreq.authkey = NULL;
+ break;
+ case QCE_HASH_SHA256:
+ sreq.alg = QCE_HASH_SHA256;
+ sreq.authkey = NULL;
+ break;
+ case QCE_HASH_SHA1_HMAC:
+ sreq.alg = QCE_HASH_SHA1_HMAC;
+ sreq.authkey = &sha_ctx->authkey[0];
+ sreq.authklen = SHA_HMAC_KEY_SIZE;
+ break;
+ case QCE_HASH_SHA256_HMAC:
+ sreq.alg = QCE_HASH_SHA256_HMAC;
+ sreq.authkey = &sha_ctx->authkey[0];
+ sreq.authklen = SHA_HMAC_KEY_SIZE;
+ break;
+ default:
+ break;
+ };
+ ret = qce_process_sha_req(cp->qce, &sreq);
+
+ return ret;
+}
+
+static int _qcrypto_process_aead(struct crypto_priv *cp,
+ struct crypto_async_request *async_req)
+{
+ struct qce_req qreq;
+ int ret = 0;
+ struct qcrypto_cipher_req_ctx *rctx;
+ struct qcrypto_cipher_ctx *cipher_ctx;
+ struct aead_request *req = container_of(async_req,
+ struct aead_request, base);
+ struct crypto_aead *aead = crypto_aead_reqtfm(req);
+
+ rctx = aead_request_ctx(req);
+ cipher_ctx = crypto_tfm_ctx(async_req->tfm);
+
+ qreq.op = QCE_REQ_AEAD;
+ qreq.qce_cb = _qce_aead_complete;
+
+ qreq.areq = req;
+ qreq.alg = rctx->alg;
+ qreq.dir = rctx->dir;
+ qreq.mode = rctx->mode;
+ qreq.iv = rctx->iv;
+
+ qreq.enckey = cipher_ctx->enc_key;
+ qreq.encklen = cipher_ctx->enc_key_len;
+ qreq.authkey = cipher_ctx->auth_key;
+ qreq.authklen = cipher_ctx->auth_key_len;
+ qreq.authsize = crypto_aead_authsize(aead);
+ qreq.ivsize = crypto_aead_ivsize(aead);
+ if (qreq.mode == QCE_MODE_CCM) {
+ if (qreq.dir == QCE_ENCRYPT)
+ qreq.cryptlen = req->cryptlen;
+ else
+ qreq.cryptlen = req->cryptlen -
+ qreq.authsize;
+ /* Get NONCE */
+ ret = qccrypto_set_aead_ccm_nonce(&qreq);
+ if (ret)
+ return ret;
+
+ /* Format Associated data */
+ ret = qcrypto_aead_ccm_format_adata(&qreq,
+ req->assoclen,
+ req->assoc);
+ if (ret)
+ return ret;
+
+ if (cp->ce_support.aligned_only) {
+ uint32_t bytes = 0;
+ struct scatterlist *sg = req->src;
+
+ rctx->orig_src = req->src;
+ rctx->orig_dst = req->dst;
+ rctx->data = kzalloc((req->cryptlen + qreq.assoclen +
+ qreq.authsize + 64*2), GFP_KERNEL);
+
+ memcpy((char *)rctx->data, qreq.assoc, qreq.assoclen);
+
+ for (sg = req->src; bytes != req->cryptlen; sg++) {
+ memcpy((rctx->data + bytes + qreq.assoclen),
+ sg_virt(sg), sg->length);
+ bytes += sg->length;
+ }
+ sg_set_buf(&rctx->ssg, rctx->data, req->cryptlen +
+ qreq.assoclen);
+ sg_mark_end(&rctx->ssg);
+
+ if (qreq.dir == QCE_ENCRYPT)
+ sg_set_buf(&rctx->dsg, rctx->data,
+ qreq.assoclen + qreq.cryptlen +
+ ALIGN(qreq.authsize, 64));
+ else
+ sg_set_buf(&rctx->dsg, rctx->data,
+ qreq.assoclen + req->cryptlen +
+ qreq.authsize);
+ sg_mark_end(&rctx->dsg);
+
+ req->src = &rctx->ssg;
+ req->dst = &rctx->dsg;
+ }
+ /*
+ * Save the original associated data
+ * length and sg
+ */
+ rctx->assoc_sg = req->assoc;
+ rctx->assoclen = req->assoclen;
+ rctx->assoc = qreq.assoc;
+ /*
+ * update req with new formatted associated
+ * data info
+ */
+ req->assoc = &rctx->asg;
+ req->assoclen = qreq.assoclen;
+ sg_set_buf(req->assoc, qreq.assoc,
+ req->assoclen);
+ sg_mark_end(req->assoc);
+ }
+ ret = qce_aead_req(cp->qce, &qreq);
+
+ return ret;
+}
+
static void _start_qcrypto_process(struct crypto_priv *cp)
{
struct crypto_async_request *async_req = NULL;
struct crypto_async_request *backlog = NULL;
unsigned long flags;
u32 type;
- struct qce_req qreq;
int ret;
- struct qcrypto_cipher_req_ctx *rctx;
- struct qcrypto_cipher_ctx *cipher_ctx;
- struct qcrypto_sha_ctx *sha_ctx;
struct crypto_stat *pstat;
pstat = &_qcrypto_stat[cp->pdev->id];
@@ -1026,139 +1285,21 @@
backlog->complete(backlog, -EINPROGRESS);
type = crypto_tfm_alg_type(async_req->tfm);
- if (type == CRYPTO_ALG_TYPE_ABLKCIPHER) {
- struct ablkcipher_request *req;
- struct crypto_ablkcipher *tfm;
-
- req = container_of(async_req, struct ablkcipher_request, base);
- cipher_ctx = crypto_tfm_ctx(async_req->tfm);
- rctx = ablkcipher_request_ctx(req);
- tfm = crypto_ablkcipher_reqtfm(req);
-
- qreq.op = QCE_REQ_ABLK_CIPHER;
- qreq.qce_cb = _qce_ablk_cipher_complete;
- qreq.areq = req;
- qreq.alg = rctx->alg;
- qreq.dir = rctx->dir;
- qreq.mode = rctx->mode;
- qreq.enckey = cipher_ctx->enc_key;
- qreq.encklen = cipher_ctx->enc_key_len;
- qreq.iv = req->info;
- qreq.ivsize = crypto_ablkcipher_ivsize(tfm);
- qreq.cryptlen = req->nbytes;
- qreq.use_pmem = 0;
-
- if ((cipher_ctx->enc_key_len == 0) &&
- (cp->platform_support.hw_key_support == 0))
- ret = -EINVAL;
- else
- ret = qce_ablk_cipher_req(cp->qce, &qreq);
- } else {
- if (type == CRYPTO_ALG_TYPE_AHASH) {
-
- struct ahash_request *req;
- struct qce_sha_req sreq;
-
- req = container_of(async_req,
- struct ahash_request, base);
- sha_ctx = crypto_tfm_ctx(async_req->tfm);
-
- sreq.qce_cb = _qce_ahash_complete;
- sreq.digest = &sha_ctx->digest[0];
- sreq.src = req->src;
- sreq.auth_data[0] = sha_ctx->byte_count[0];
- sreq.auth_data[1] = sha_ctx->byte_count[1];
- sreq.auth_data[2] = sha_ctx->byte_count[2];
- sreq.auth_data[3] = sha_ctx->byte_count[3];
- sreq.first_blk = sha_ctx->first_blk;
- sreq.last_blk = sha_ctx->last_blk;
- sreq.size = req->nbytes;
- sreq.areq = req;
-
- switch (sha_ctx->alg) {
- case QCE_HASH_SHA1:
- sreq.alg = QCE_HASH_SHA1;
- sreq.authkey = NULL;
- break;
- case QCE_HASH_SHA256:
- sreq.alg = QCE_HASH_SHA256;
- sreq.authkey = NULL;
- break;
- case QCE_HASH_SHA1_HMAC:
- sreq.alg = QCE_HASH_SHA1_HMAC;
- sreq.authkey = &sha_ctx->authkey[0];
- break;
- case QCE_HASH_SHA256_HMAC:
- sreq.alg = QCE_HASH_SHA256_HMAC;
- sreq.authkey = &sha_ctx->authkey[0];
- break;
- default:
- break;
- };
- ret = qce_process_sha_req(cp->qce, &sreq);
-
- } else {
- struct aead_request *req = container_of(async_req,
- struct aead_request, base);
- struct crypto_aead *aead = crypto_aead_reqtfm(req);
-
- rctx = aead_request_ctx(req);
- cipher_ctx = crypto_tfm_ctx(async_req->tfm);
-
- qreq.op = QCE_REQ_AEAD;
- qreq.qce_cb = _qce_aead_complete;
-
- qreq.areq = req;
- qreq.alg = rctx->alg;
- qreq.dir = rctx->dir;
- qreq.mode = rctx->mode;
- qreq.iv = rctx->iv;
-
- qreq.enckey = cipher_ctx->enc_key;
- qreq.encklen = cipher_ctx->enc_key_len;
- qreq.authkey = cipher_ctx->auth_key;
- qreq.authklen = cipher_ctx->auth_key_len;
- qreq.authsize = crypto_aead_authsize(aead);
- qreq.ivsize = crypto_aead_ivsize(aead);
- if (qreq.mode == QCE_MODE_CCM) {
- if (qreq.dir == QCE_ENCRYPT)
- qreq.cryptlen = req->cryptlen;
- else
- qreq.cryptlen = req->cryptlen -
- qreq.authsize;
- /* Get NONCE */
- ret = qccrypto_set_aead_ccm_nonce(&qreq);
- if (ret)
- goto done;
- /* Format Associated data */
- ret = qcrypto_aead_ccm_format_adata(&qreq,
- req->assoclen,
- req->assoc);
- if (ret)
- goto done;
- /*
- * Save the original associated data
- * length and sg
- */
- rctx->assoc_sg = req->assoc;
- rctx->assoclen = req->assoclen;
- rctx->assoc = qreq.assoc;
- /*
- * update req with new formatted associated
- * data info
- */
- req->assoc = &rctx->asg;
- req->assoclen = qreq.assoclen;
- sg_set_buf(req->assoc, qreq.assoc,
- req->assoclen);
- sg_mark_end(req->assoc);
- }
- ret = qce_aead_req(cp->qce, &qreq);
- }
+ switch (type) {
+ case CRYPTO_ALG_TYPE_ABLKCIPHER:
+ ret = _qcrypto_process_ablkcipher(cp, async_req);
+ break;
+ case CRYPTO_ALG_TYPE_AHASH:
+ ret = _qcrypto_process_ahash(cp, async_req);
+ break;
+ case CRYPTO_ALG_TYPE_AEAD:
+ ret = _qcrypto_process_aead(cp, async_req);
+ break;
+ default:
+ ret = -EINVAL;
};
-done:
- if (ret) {
+ if (ret) {
spin_lock_irqsave(&cp->lock, flags);
cp->req = NULL;
spin_unlock_irqrestore(&cp->lock, flags);
@@ -2118,6 +2259,26 @@
return 0;
}
+static void _copy_source(struct ahash_request *req)
+{
+ struct qcrypto_sha_req_ctx *srctx = NULL;
+ uint32_t bytes = 0;
+ struct scatterlist *sg = req->src;
+
+ srctx = ahash_request_ctx(req);
+ srctx->orig_src = req->src;
+ srctx->data = kzalloc((req->nbytes + 64), GFP_KERNEL);
+ for (sg = req->src; bytes != req->nbytes;
+ sg++) {
+ memcpy(((char *)srctx->data + bytes),
+ sg_virt(sg), sg->length);
+ bytes += sg->length;
+ }
+ sg_set_buf(&srctx->dsg, srctx->data,
+ req->nbytes);
+ sg_mark_end(&srctx->dsg);
+ req->src = &srctx->dsg;
+}
static int _sha_update(struct ahash_request *req, uint32_t sha_block_size)
{
@@ -2198,23 +2359,55 @@
}
if (sha_ctx->trailing_buf_len) {
- num_sg = end_src + 2;
- sha_ctx->sg = kzalloc(num_sg * (sizeof(struct scatterlist)),
+ if (cp->ce_support.aligned_only) {
+ sha_ctx->sg = kzalloc(sizeof(struct scatterlist),
GFP_KERNEL);
- if (sha_ctx->sg == NULL) {
- pr_err("qcrypto Can't Allocate mem: sha_ctx->sg, error %ld\n",
- PTR_ERR(sha_ctx->sg));
- return -ENOMEM;
- }
-
- sg_set_buf(&sha_ctx->sg[0], sha_ctx->tmp_tbuf,
+ if (sha_ctx->sg == NULL) {
+ pr_err("MemAlloc fail sha_ctx->sg, error %ld\n",
+ PTR_ERR(sha_ctx->sg));
+ return -ENOMEM;
+ }
+ rctx->data2 = kzalloc((req->nbytes + 64), GFP_KERNEL);
+ if (rctx->data2 == NULL) {
+ pr_err("Mem Alloc fail srctx->data2, err %ld\n",
+ PTR_ERR(rctx->data2));
+ kfree(sha_ctx->sg);
+ return -ENOMEM;
+ }
+ memcpy(rctx->data2, sha_ctx->tmp_tbuf,
sha_ctx->trailing_buf_len);
- for (i = 1; i < num_sg; i++)
- sg_set_buf(&sha_ctx->sg[i], sg_virt(&req->src[i-1]),
- req->src[i-1].length);
+ memcpy((rctx->data2 + sha_ctx->trailing_buf_len),
+ rctx->data, req->src[i-1].length);
+ kfree(rctx->data);
+ rctx->data = rctx->data2;
+ sg_set_buf(&sha_ctx->sg[0], rctx->data,
+ (sha_ctx->trailing_buf_len +
+ req->src[i-1].length));
+ req->src = sha_ctx->sg;
+ sg_mark_end(&sha_ctx->sg[0]);
- req->src = sha_ctx->sg;
- sg_mark_end(&sha_ctx->sg[num_sg - 1]);
+ } else {
+ num_sg = end_src + 2;
+
+ sha_ctx->sg = kzalloc(num_sg *
+ (sizeof(struct scatterlist)), GFP_KERNEL);
+ if (sha_ctx->sg == NULL) {
+ pr_err("MEMalloc fail sha_ctx->sg, error %ld\n",
+ PTR_ERR(sha_ctx->sg));
+ return -ENOMEM;
+ }
+
+ sg_set_buf(&sha_ctx->sg[0], sha_ctx->tmp_tbuf,
+ sha_ctx->trailing_buf_len);
+ for (i = 1; i < num_sg; i++)
+ sg_set_buf(&sha_ctx->sg[i],
+ sg_virt(&req->src[i-1]),
+ req->src[i-1].length);
+
+ req->src = sha_ctx->sg;
+ sg_mark_end(&sha_ctx->sg[num_sg - 1]);
+
+ }
} else
sg_mark_end(&req->src[end_src]);
@@ -2232,6 +2425,11 @@
{
struct qcrypto_sha_req_ctx *rctx = ahash_request_ctx(req);
struct sha1_state *sha_state_ctx = &rctx->sha1_state_ctx;
+ struct qcrypto_sha_ctx *sha_ctx = crypto_tfm_ctx(req->base.tfm);
+ struct crypto_priv *cp = sha_ctx->cp;
+
+ if (cp->ce_support.aligned_only)
+ _copy_source(req);
sha_state_ctx->count += req->nbytes;
return _sha_update(req, SHA1_BLOCK_SIZE);
@@ -2241,6 +2439,11 @@
{
struct qcrypto_sha_req_ctx *rctx = ahash_request_ctx(req);
struct sha256_state *sha_state_ctx = &rctx->sha256_state_ctx;
+ struct qcrypto_sha_ctx *sha_ctx = crypto_tfm_ctx(req->base.tfm);
+ struct crypto_priv *cp = sha_ctx->cp;
+
+ if (cp->ce_support.aligned_only)
+ _copy_source(req);
sha_state_ctx->count += req->nbytes;
return _sha_update(req, SHA256_BLOCK_SIZE);
@@ -2253,6 +2456,9 @@
struct qcrypto_sha_req_ctx *rctx = ahash_request_ctx(req);
int ret = 0;
+ if (cp->ce_support.aligned_only)
+ _copy_source(req);
+
sha_ctx->last_blk = 1;
/* save the original req structure fields*/
@@ -2288,10 +2494,13 @@
struct crypto_priv *cp = sha_ctx->cp;
int ret = 0;
+ if (cp->ce_support.aligned_only)
+ _copy_source(req);
+
/* save the original req structure fields*/
rctx->src = req->src;
rctx->nbytes = req->nbytes;
-
+ sha_ctx->first_blk = 1;
sha_ctx->last_blk = 1;
ret = _qcrypto_queue_req(cp, &req->base);
@@ -2326,7 +2535,7 @@
struct qcrypto_sha_ctx *sha_ctx = crypto_tfm_ctx(&tfm->base);
int ret = 0;
- sha_ctx->in_buf = kzalloc(len, GFP_KERNEL);
+ sha_ctx->in_buf = kzalloc(len + 64, GFP_KERNEL);
if (sha_ctx->in_buf == NULL) {
pr_err("qcrypto Can't Allocate mem: sha_ctx->in_buf, error %ld\n",
PTR_ERR(sha_ctx->in_buf));
@@ -3079,17 +3288,27 @@
cp->qce = handle;
cp->pdev = pdev;
qce_hw_support(cp->qce, &cp->ce_support);
- platform_support = (struct msm_ce_hw_support *)pdev->dev.platform_data;
- cp->platform_support.ce_shared = platform_support->ce_shared;
- cp->platform_support.shared_ce_resource =
+ if (cp->ce_support.bam) {
+ cp->platform_support.ce_shared = 0;
+ cp->platform_support.shared_ce_resource = 0;
+ cp->platform_support.hw_key_support = 0;
+ cp->platform_support.bus_scale_table = NULL;
+ cp->platform_support.sha_hmac = 1;
+ } else {
+ platform_support =
+ (struct msm_ce_hw_support *)pdev->dev.platform_data;
+ cp->platform_support.ce_shared = platform_support->ce_shared;
+ cp->platform_support.shared_ce_resource =
platform_support->shared_ce_resource;
- cp->platform_support.hw_key_support =
+ cp->platform_support.hw_key_support =
platform_support->hw_key_support;
- cp->platform_support.bus_scale_table =
+ cp->platform_support.bus_scale_table =
platform_support->bus_scale_table;
+ cp->platform_support.sha_hmac = platform_support->sha_hmac;
+ }
cp->high_bw_req_count = 0;
cp->ce_lock_count = 0;
- cp->platform_support.sha_hmac = platform_support->sha_hmac;
+
if (cp->platform_support.ce_shared)
INIT_WORK(&cp->unlock_ce_ws, qcrypto_unlock_ce);
@@ -3370,6 +3589,4 @@
module_exit(_qcrypto_exit);
MODULE_LICENSE("GPL v2");
-MODULE_AUTHOR("Mona Hossain <mhossain@codeaurora.org>");
MODULE_DESCRIPTION("Qualcomm Crypto driver");
-MODULE_VERSION("1.22");