v4.19.13 snapshot.
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c
new file mode 100644
index 0000000..ac9282c
--- /dev/null
+++ b/drivers/crypto/inside-secure/safexcel_hash.c
@@ -0,0 +1,1659 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2017 Marvell
+ *
+ * Antoine Tenart <antoine.tenart@free-electrons.com>
+ */
+
+#include <crypto/hmac.h>
+#include <crypto/md5.h>
+#include <crypto/sha.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/dmapool.h>
+
+#include "safexcel.h"
+
+struct safexcel_ahash_ctx {
+ struct safexcel_context base;
+ struct safexcel_crypto_priv *priv;
+
+ u32 alg;
+
+ u32 ipad[SHA512_DIGEST_SIZE / sizeof(u32)];
+ u32 opad[SHA512_DIGEST_SIZE / sizeof(u32)];
+};
+
+struct safexcel_ahash_req {
+ bool last_req;
+ bool finish;
+ bool hmac;
+ bool needs_inv;
+
+ int nents;
+ dma_addr_t result_dma;
+
+ u32 digest;
+
+ u8 state_sz; /* expected sate size, only set once */
+ u32 state[SHA512_DIGEST_SIZE / sizeof(u32)] __aligned(sizeof(u32));
+
+ u64 len[2];
+ u64 processed[2];
+
+ u8 cache[SHA512_BLOCK_SIZE] __aligned(sizeof(u32));
+ dma_addr_t cache_dma;
+ unsigned int cache_sz;
+
+ u8 cache_next[SHA512_BLOCK_SIZE] __aligned(sizeof(u32));
+};
+
+static inline u64 safexcel_queued_len(struct safexcel_ahash_req *req)
+{
+ if (req->len[1] > req->processed[1])
+ return 0xffffffff - (req->len[0] - req->processed[0]);
+
+ return req->len[0] - req->processed[0];
+}
+
+static void safexcel_hash_token(struct safexcel_command_desc *cdesc,
+ u32 input_length, u32 result_length)
+{
+ struct safexcel_token *token =
+ (struct safexcel_token *)cdesc->control_data.token;
+
+ token[0].opcode = EIP197_TOKEN_OPCODE_DIRECTION;
+ token[0].packet_length = input_length;
+ token[0].stat = EIP197_TOKEN_STAT_LAST_HASH;
+ token[0].instructions = EIP197_TOKEN_INS_TYPE_HASH;
+
+ token[1].opcode = EIP197_TOKEN_OPCODE_INSERT;
+ token[1].packet_length = result_length;
+ token[1].stat = EIP197_TOKEN_STAT_LAST_HASH |
+ EIP197_TOKEN_STAT_LAST_PACKET;
+ token[1].instructions = EIP197_TOKEN_INS_TYPE_OUTPUT |
+ EIP197_TOKEN_INS_INSERT_HASH_DIGEST;
+}
+
+static void safexcel_context_control(struct safexcel_ahash_ctx *ctx,
+ struct safexcel_ahash_req *req,
+ struct safexcel_command_desc *cdesc,
+ unsigned int digestsize)
+{
+ struct safexcel_crypto_priv *priv = ctx->priv;
+ int i;
+
+ cdesc->control_data.control0 |= CONTEXT_CONTROL_TYPE_HASH_OUT;
+ cdesc->control_data.control0 |= ctx->alg;
+ cdesc->control_data.control0 |= req->digest;
+
+ if (req->digest == CONTEXT_CONTROL_DIGEST_PRECOMPUTED) {
+ if (req->processed[0] || req->processed[1]) {
+ if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_MD5)
+ cdesc->control_data.control0 |= CONTEXT_CONTROL_SIZE(5);
+ else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA1)
+ cdesc->control_data.control0 |= CONTEXT_CONTROL_SIZE(6);
+ else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA224 ||
+ ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA256)
+ cdesc->control_data.control0 |= CONTEXT_CONTROL_SIZE(9);
+ else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA384 ||
+ ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA512)
+ cdesc->control_data.control0 |= CONTEXT_CONTROL_SIZE(17);
+
+ cdesc->control_data.control1 |= CONTEXT_CONTROL_DIGEST_CNT;
+ } else {
+ cdesc->control_data.control0 |= CONTEXT_CONTROL_RESTART_HASH;
+ }
+
+ if (!req->finish)
+ cdesc->control_data.control0 |= CONTEXT_CONTROL_NO_FINISH_HASH;
+
+ /*
+ * Copy the input digest if needed, and setup the context
+ * fields. Do this now as we need it to setup the first command
+ * descriptor.
+ */
+ if (req->processed[0] || req->processed[1]) {
+ for (i = 0; i < digestsize / sizeof(u32); i++)
+ ctx->base.ctxr->data[i] = cpu_to_le32(req->state[i]);
+
+ if (req->finish) {
+ u64 count = req->processed[0] / EIP197_COUNTER_BLOCK_SIZE;
+ count += ((0xffffffff / EIP197_COUNTER_BLOCK_SIZE) *
+ req->processed[1]);
+
+ /* This is a haredware limitation, as the
+ * counter must fit into an u32. This represents
+ * a farily big amount of input data, so we
+ * shouldn't see this.
+ */
+ if (unlikely(count & 0xffff0000)) {
+ dev_warn(priv->dev,
+ "Input data is too big\n");
+ return;
+ }
+
+ ctx->base.ctxr->data[i] = cpu_to_le32(count);
+ }
+ }
+ } else if (req->digest == CONTEXT_CONTROL_DIGEST_HMAC) {
+ cdesc->control_data.control0 |= CONTEXT_CONTROL_SIZE(2 * req->state_sz / sizeof(u32));
+
+ memcpy(ctx->base.ctxr->data, ctx->ipad, req->state_sz);
+ memcpy(ctx->base.ctxr->data + req->state_sz / sizeof(u32),
+ ctx->opad, req->state_sz);
+ }
+}
+
+static int safexcel_handle_req_result(struct safexcel_crypto_priv *priv, int ring,
+ struct crypto_async_request *async,
+ bool *should_complete, int *ret)
+{
+ struct safexcel_result_desc *rdesc;
+ struct ahash_request *areq = ahash_request_cast(async);
+ struct crypto_ahash *ahash = crypto_ahash_reqtfm(areq);
+ struct safexcel_ahash_req *sreq = ahash_request_ctx(areq);
+ u64 cache_len;
+
+ *ret = 0;
+
+ rdesc = safexcel_ring_next_rptr(priv, &priv->ring[ring].rdr);
+ if (IS_ERR(rdesc)) {
+ dev_err(priv->dev,
+ "hash: result: could not retrieve the result descriptor\n");
+ *ret = PTR_ERR(rdesc);
+ } else {
+ *ret = safexcel_rdesc_check_errors(priv, rdesc);
+ }
+
+ safexcel_complete(priv, ring);
+
+ if (sreq->nents) {
+ dma_unmap_sg(priv->dev, areq->src, sreq->nents, DMA_TO_DEVICE);
+ sreq->nents = 0;
+ }
+
+ if (sreq->result_dma) {
+ dma_unmap_single(priv->dev, sreq->result_dma, sreq->state_sz,
+ DMA_FROM_DEVICE);
+ sreq->result_dma = 0;
+ }
+
+ if (sreq->cache_dma) {
+ dma_unmap_single(priv->dev, sreq->cache_dma, sreq->cache_sz,
+ DMA_TO_DEVICE);
+ sreq->cache_dma = 0;
+ }
+
+ if (sreq->finish)
+ memcpy(areq->result, sreq->state,
+ crypto_ahash_digestsize(ahash));
+
+ cache_len = safexcel_queued_len(sreq);
+ if (cache_len)
+ memcpy(sreq->cache, sreq->cache_next, cache_len);
+
+ *should_complete = true;
+
+ return 1;
+}
+
+static int safexcel_ahash_send_req(struct crypto_async_request *async, int ring,
+ int *commands, int *results)
+{
+ struct ahash_request *areq = ahash_request_cast(async);
+ struct crypto_ahash *ahash = crypto_ahash_reqtfm(areq);
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+ struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq));
+ struct safexcel_crypto_priv *priv = ctx->priv;
+ struct safexcel_command_desc *cdesc, *first_cdesc = NULL;
+ struct safexcel_result_desc *rdesc;
+ struct scatterlist *sg;
+ int i, extra, n_cdesc = 0, ret = 0;
+ u64 queued, len, cache_len;
+
+ queued = len = safexcel_queued_len(req);
+ if (queued <= crypto_ahash_blocksize(ahash))
+ cache_len = queued;
+ else
+ cache_len = queued - areq->nbytes;
+
+ if (!req->last_req) {
+ /* If this is not the last request and the queued data does not
+ * fit into full blocks, cache it for the next send() call.
+ */
+ extra = queued & (crypto_ahash_blocksize(ahash) - 1);
+ if (!extra)
+ /* If this is not the last request and the queued data
+ * is a multiple of a block, cache the last one for now.
+ */
+ extra = crypto_ahash_blocksize(ahash);
+
+ if (extra) {
+ sg_pcopy_to_buffer(areq->src, sg_nents(areq->src),
+ req->cache_next, extra,
+ areq->nbytes - extra);
+
+ queued -= extra;
+ len -= extra;
+
+ if (!queued) {
+ *commands = 0;
+ *results = 0;
+ return 0;
+ }
+ }
+ }
+
+ /* Add a command descriptor for the cached data, if any */
+ if (cache_len) {
+ req->cache_dma = dma_map_single(priv->dev, req->cache,
+ cache_len, DMA_TO_DEVICE);
+ if (dma_mapping_error(priv->dev, req->cache_dma))
+ return -EINVAL;
+
+ req->cache_sz = cache_len;
+ first_cdesc = safexcel_add_cdesc(priv, ring, 1,
+ (cache_len == len),
+ req->cache_dma, cache_len, len,
+ ctx->base.ctxr_dma);
+ if (IS_ERR(first_cdesc)) {
+ ret = PTR_ERR(first_cdesc);
+ goto unmap_cache;
+ }
+ n_cdesc++;
+
+ queued -= cache_len;
+ if (!queued)
+ goto send_command;
+ }
+
+ /* Now handle the current ahash request buffer(s) */
+ req->nents = dma_map_sg(priv->dev, areq->src,
+ sg_nents_for_len(areq->src, areq->nbytes),
+ DMA_TO_DEVICE);
+ if (!req->nents) {
+ ret = -ENOMEM;
+ goto cdesc_rollback;
+ }
+
+ for_each_sg(areq->src, sg, req->nents, i) {
+ int sglen = sg_dma_len(sg);
+
+ /* Do not overflow the request */
+ if (queued < sglen)
+ sglen = queued;
+
+ cdesc = safexcel_add_cdesc(priv, ring, !n_cdesc,
+ !(queued - sglen), sg_dma_address(sg),
+ sglen, len, ctx->base.ctxr_dma);
+ if (IS_ERR(cdesc)) {
+ ret = PTR_ERR(cdesc);
+ goto unmap_sg;
+ }
+ n_cdesc++;
+
+ if (n_cdesc == 1)
+ first_cdesc = cdesc;
+
+ queued -= sglen;
+ if (!queued)
+ break;
+ }
+
+send_command:
+ /* Setup the context options */
+ safexcel_context_control(ctx, req, first_cdesc, req->state_sz);
+
+ /* Add the token */
+ safexcel_hash_token(first_cdesc, len, req->state_sz);
+
+ req->result_dma = dma_map_single(priv->dev, req->state, req->state_sz,
+ DMA_FROM_DEVICE);
+ if (dma_mapping_error(priv->dev, req->result_dma)) {
+ ret = -EINVAL;
+ goto unmap_sg;
+ }
+
+ /* Add a result descriptor */
+ rdesc = safexcel_add_rdesc(priv, ring, 1, 1, req->result_dma,
+ req->state_sz);
+ if (IS_ERR(rdesc)) {
+ ret = PTR_ERR(rdesc);
+ goto unmap_result;
+ }
+
+ safexcel_rdr_req_set(priv, ring, rdesc, &areq->base);
+
+ req->processed[0] += len;
+ if (req->processed[0] < len)
+ req->processed[1]++;
+
+ *commands = n_cdesc;
+ *results = 1;
+ return 0;
+
+unmap_result:
+ dma_unmap_single(priv->dev, req->result_dma, req->state_sz,
+ DMA_FROM_DEVICE);
+unmap_sg:
+ dma_unmap_sg(priv->dev, areq->src, req->nents, DMA_TO_DEVICE);
+cdesc_rollback:
+ for (i = 0; i < n_cdesc; i++)
+ safexcel_ring_rollback_wptr(priv, &priv->ring[ring].cdr);
+unmap_cache:
+ if (req->cache_dma) {
+ dma_unmap_single(priv->dev, req->cache_dma, req->cache_sz,
+ DMA_TO_DEVICE);
+ req->cache_sz = 0;
+ }
+
+ return ret;
+}
+
+static inline bool safexcel_ahash_needs_inv_get(struct ahash_request *areq)
+{
+ struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq));
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+ unsigned int state_w_sz = req->state_sz / sizeof(u32);
+ u64 processed;
+ int i;
+
+ processed = req->processed[0] / EIP197_COUNTER_BLOCK_SIZE;
+ processed += (0xffffffff / EIP197_COUNTER_BLOCK_SIZE) * req->processed[1];
+
+ for (i = 0; i < state_w_sz; i++)
+ if (ctx->base.ctxr->data[i] != cpu_to_le32(req->state[i]))
+ return true;
+
+ if (ctx->base.ctxr->data[state_w_sz] != cpu_to_le32(processed))
+ return true;
+
+ return false;
+}
+
+static int safexcel_handle_inv_result(struct safexcel_crypto_priv *priv,
+ int ring,
+ struct crypto_async_request *async,
+ bool *should_complete, int *ret)
+{
+ struct safexcel_result_desc *rdesc;
+ struct ahash_request *areq = ahash_request_cast(async);
+ struct crypto_ahash *ahash = crypto_ahash_reqtfm(areq);
+ struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(ahash);
+ int enq_ret;
+
+ *ret = 0;
+
+ rdesc = safexcel_ring_next_rptr(priv, &priv->ring[ring].rdr);
+ if (IS_ERR(rdesc)) {
+ dev_err(priv->dev,
+ "hash: invalidate: could not retrieve the result descriptor\n");
+ *ret = PTR_ERR(rdesc);
+ } else {
+ *ret = safexcel_rdesc_check_errors(priv, rdesc);
+ }
+
+ safexcel_complete(priv, ring);
+
+ if (ctx->base.exit_inv) {
+ dma_pool_free(priv->context_pool, ctx->base.ctxr,
+ ctx->base.ctxr_dma);
+
+ *should_complete = true;
+ return 1;
+ }
+
+ ring = safexcel_select_ring(priv);
+ ctx->base.ring = ring;
+
+ spin_lock_bh(&priv->ring[ring].queue_lock);
+ enq_ret = crypto_enqueue_request(&priv->ring[ring].queue, async);
+ spin_unlock_bh(&priv->ring[ring].queue_lock);
+
+ if (enq_ret != -EINPROGRESS)
+ *ret = enq_ret;
+
+ queue_work(priv->ring[ring].workqueue,
+ &priv->ring[ring].work_data.work);
+
+ *should_complete = false;
+
+ return 1;
+}
+
+static int safexcel_handle_result(struct safexcel_crypto_priv *priv, int ring,
+ struct crypto_async_request *async,
+ bool *should_complete, int *ret)
+{
+ struct ahash_request *areq = ahash_request_cast(async);
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+ int err;
+
+ BUG_ON(!(priv->flags & EIP197_TRC_CACHE) && req->needs_inv);
+
+ if (req->needs_inv) {
+ req->needs_inv = false;
+ err = safexcel_handle_inv_result(priv, ring, async,
+ should_complete, ret);
+ } else {
+ err = safexcel_handle_req_result(priv, ring, async,
+ should_complete, ret);
+ }
+
+ return err;
+}
+
+static int safexcel_ahash_send_inv(struct crypto_async_request *async,
+ int ring, int *commands, int *results)
+{
+ struct ahash_request *areq = ahash_request_cast(async);
+ struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq));
+ int ret;
+
+ ret = safexcel_invalidate_cache(async, ctx->priv,
+ ctx->base.ctxr_dma, ring);
+ if (unlikely(ret))
+ return ret;
+
+ *commands = 1;
+ *results = 1;
+
+ return 0;
+}
+
+static int safexcel_ahash_send(struct crypto_async_request *async,
+ int ring, int *commands, int *results)
+{
+ struct ahash_request *areq = ahash_request_cast(async);
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+ int ret;
+
+ if (req->needs_inv)
+ ret = safexcel_ahash_send_inv(async, ring, commands, results);
+ else
+ ret = safexcel_ahash_send_req(async, ring, commands, results);
+
+ return ret;
+}
+
+static int safexcel_ahash_exit_inv(struct crypto_tfm *tfm)
+{
+ struct safexcel_ahash_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct safexcel_crypto_priv *priv = ctx->priv;
+ EIP197_REQUEST_ON_STACK(req, ahash, EIP197_AHASH_REQ_SIZE);
+ struct safexcel_ahash_req *rctx = ahash_request_ctx(req);
+ struct safexcel_inv_result result = {};
+ int ring = ctx->base.ring;
+
+ memset(req, 0, sizeof(struct ahash_request));
+
+ /* create invalidation request */
+ init_completion(&result.completion);
+ ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
+ safexcel_inv_complete, &result);
+
+ ahash_request_set_tfm(req, __crypto_ahash_cast(tfm));
+ ctx = crypto_tfm_ctx(req->base.tfm);
+ ctx->base.exit_inv = true;
+ rctx->needs_inv = true;
+
+ spin_lock_bh(&priv->ring[ring].queue_lock);
+ crypto_enqueue_request(&priv->ring[ring].queue, &req->base);
+ spin_unlock_bh(&priv->ring[ring].queue_lock);
+
+ queue_work(priv->ring[ring].workqueue,
+ &priv->ring[ring].work_data.work);
+
+ wait_for_completion(&result.completion);
+
+ if (result.error) {
+ dev_warn(priv->dev, "hash: completion error (%d)\n",
+ result.error);
+ return result.error;
+ }
+
+ return 0;
+}
+
+/* safexcel_ahash_cache: cache data until at least one request can be sent to
+ * the engine, aka. when there is at least 1 block size in the pipe.
+ */
+static int safexcel_ahash_cache(struct ahash_request *areq)
+{
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+ struct crypto_ahash *ahash = crypto_ahash_reqtfm(areq);
+ u64 queued, cache_len;
+
+ /* queued: everything accepted by the driver which will be handled by
+ * the next send() calls.
+ * tot sz handled by update() - tot sz handled by send()
+ */
+ queued = safexcel_queued_len(req);
+ /* cache_len: everything accepted by the driver but not sent yet,
+ * tot sz handled by update() - last req sz - tot sz handled by send()
+ */
+ cache_len = queued - areq->nbytes;
+
+ /*
+ * In case there isn't enough bytes to proceed (less than a
+ * block size), cache the data until we have enough.
+ */
+ if (cache_len + areq->nbytes <= crypto_ahash_blocksize(ahash)) {
+ sg_pcopy_to_buffer(areq->src, sg_nents(areq->src),
+ req->cache + cache_len,
+ areq->nbytes, 0);
+ return areq->nbytes;
+ }
+
+ /* We couldn't cache all the data */
+ return -E2BIG;
+}
+
+static int safexcel_ahash_enqueue(struct ahash_request *areq)
+{
+ struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq));
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+ struct safexcel_crypto_priv *priv = ctx->priv;
+ int ret, ring;
+
+ req->needs_inv = false;
+
+ if (ctx->base.ctxr) {
+ if (priv->flags & EIP197_TRC_CACHE && !ctx->base.needs_inv &&
+ (req->processed[0] || req->processed[1]) &&
+ req->digest == CONTEXT_CONTROL_DIGEST_PRECOMPUTED)
+ /* We're still setting needs_inv here, even though it is
+ * cleared right away, because the needs_inv flag can be
+ * set in other functions and we want to keep the same
+ * logic.
+ */
+ ctx->base.needs_inv = safexcel_ahash_needs_inv_get(areq);
+
+ if (ctx->base.needs_inv) {
+ ctx->base.needs_inv = false;
+ req->needs_inv = true;
+ }
+ } else {
+ ctx->base.ring = safexcel_select_ring(priv);
+ ctx->base.ctxr = dma_pool_zalloc(priv->context_pool,
+ EIP197_GFP_FLAGS(areq->base),
+ &ctx->base.ctxr_dma);
+ if (!ctx->base.ctxr)
+ return -ENOMEM;
+ }
+
+ ring = ctx->base.ring;
+
+ spin_lock_bh(&priv->ring[ring].queue_lock);
+ ret = crypto_enqueue_request(&priv->ring[ring].queue, &areq->base);
+ spin_unlock_bh(&priv->ring[ring].queue_lock);
+
+ queue_work(priv->ring[ring].workqueue,
+ &priv->ring[ring].work_data.work);
+
+ return ret;
+}
+
+static int safexcel_ahash_update(struct ahash_request *areq)
+{
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+ struct crypto_ahash *ahash = crypto_ahash_reqtfm(areq);
+
+ /* If the request is 0 length, do nothing */
+ if (!areq->nbytes)
+ return 0;
+
+ req->len[0] += areq->nbytes;
+ if (req->len[0] < areq->nbytes)
+ req->len[1]++;
+
+ safexcel_ahash_cache(areq);
+
+ /*
+ * We're not doing partial updates when performing an hmac request.
+ * Everything will be handled by the final() call.
+ */
+ if (req->digest == CONTEXT_CONTROL_DIGEST_HMAC)
+ return 0;
+
+ if (req->hmac)
+ return safexcel_ahash_enqueue(areq);
+
+ if (!req->last_req &&
+ safexcel_queued_len(req) > crypto_ahash_blocksize(ahash))
+ return safexcel_ahash_enqueue(areq);
+
+ return 0;
+}
+
+static int safexcel_ahash_final(struct ahash_request *areq)
+{
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+ struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq));
+
+ req->last_req = true;
+ req->finish = true;
+
+ /* If we have an overall 0 length request */
+ if (!req->len[0] && !req->len[1] && !areq->nbytes) {
+ if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_MD5)
+ memcpy(areq->result, md5_zero_message_hash,
+ MD5_DIGEST_SIZE);
+ else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA1)
+ memcpy(areq->result, sha1_zero_message_hash,
+ SHA1_DIGEST_SIZE);
+ else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA224)
+ memcpy(areq->result, sha224_zero_message_hash,
+ SHA224_DIGEST_SIZE);
+ else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA256)
+ memcpy(areq->result, sha256_zero_message_hash,
+ SHA256_DIGEST_SIZE);
+ else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA384)
+ memcpy(areq->result, sha384_zero_message_hash,
+ SHA384_DIGEST_SIZE);
+ else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA512)
+ memcpy(areq->result, sha512_zero_message_hash,
+ SHA512_DIGEST_SIZE);
+
+ return 0;
+ }
+
+ return safexcel_ahash_enqueue(areq);
+}
+
+static int safexcel_ahash_finup(struct ahash_request *areq)
+{
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+
+ req->last_req = true;
+ req->finish = true;
+
+ safexcel_ahash_update(areq);
+ return safexcel_ahash_final(areq);
+}
+
+static int safexcel_ahash_export(struct ahash_request *areq, void *out)
+{
+ struct crypto_ahash *ahash = crypto_ahash_reqtfm(areq);
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+ struct safexcel_ahash_export_state *export = out;
+
+ export->len[0] = req->len[0];
+ export->len[1] = req->len[1];
+ export->processed[0] = req->processed[0];
+ export->processed[1] = req->processed[1];
+
+ export->digest = req->digest;
+
+ memcpy(export->state, req->state, req->state_sz);
+ memcpy(export->cache, req->cache, crypto_ahash_blocksize(ahash));
+
+ return 0;
+}
+
+static int safexcel_ahash_import(struct ahash_request *areq, const void *in)
+{
+ struct crypto_ahash *ahash = crypto_ahash_reqtfm(areq);
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+ const struct safexcel_ahash_export_state *export = in;
+ int ret;
+
+ ret = crypto_ahash_init(areq);
+ if (ret)
+ return ret;
+
+ req->len[0] = export->len[0];
+ req->len[1] = export->len[1];
+ req->processed[0] = export->processed[0];
+ req->processed[1] = export->processed[1];
+
+ req->digest = export->digest;
+
+ memcpy(req->cache, export->cache, crypto_ahash_blocksize(ahash));
+ memcpy(req->state, export->state, req->state_sz);
+
+ return 0;
+}
+
+static int safexcel_ahash_cra_init(struct crypto_tfm *tfm)
+{
+ struct safexcel_ahash_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct safexcel_alg_template *tmpl =
+ container_of(__crypto_ahash_alg(tfm->__crt_alg),
+ struct safexcel_alg_template, alg.ahash);
+
+ ctx->priv = tmpl->priv;
+ ctx->base.send = safexcel_ahash_send;
+ ctx->base.handle_result = safexcel_handle_result;
+
+ crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
+ sizeof(struct safexcel_ahash_req));
+ return 0;
+}
+
+static int safexcel_sha1_init(struct ahash_request *areq)
+{
+ struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq));
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+
+ memset(req, 0, sizeof(*req));
+
+ req->state[0] = SHA1_H0;
+ req->state[1] = SHA1_H1;
+ req->state[2] = SHA1_H2;
+ req->state[3] = SHA1_H3;
+ req->state[4] = SHA1_H4;
+
+ ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA1;
+ req->digest = CONTEXT_CONTROL_DIGEST_PRECOMPUTED;
+ req->state_sz = SHA1_DIGEST_SIZE;
+
+ return 0;
+}
+
+static int safexcel_sha1_digest(struct ahash_request *areq)
+{
+ int ret = safexcel_sha1_init(areq);
+
+ if (ret)
+ return ret;
+
+ return safexcel_ahash_finup(areq);
+}
+
+static void safexcel_ahash_cra_exit(struct crypto_tfm *tfm)
+{
+ struct safexcel_ahash_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct safexcel_crypto_priv *priv = ctx->priv;
+ int ret;
+
+ /* context not allocated, skip invalidation */
+ if (!ctx->base.ctxr)
+ return;
+
+ if (priv->flags & EIP197_TRC_CACHE) {
+ ret = safexcel_ahash_exit_inv(tfm);
+ if (ret)
+ dev_warn(priv->dev, "hash: invalidation error %d\n", ret);
+ } else {
+ dma_pool_free(priv->context_pool, ctx->base.ctxr,
+ ctx->base.ctxr_dma);
+ }
+}
+
+struct safexcel_alg_template safexcel_alg_sha1 = {
+ .type = SAFEXCEL_ALG_TYPE_AHASH,
+ .engines = EIP97IES | EIP197B | EIP197D,
+ .alg.ahash = {
+ .init = safexcel_sha1_init,
+ .update = safexcel_ahash_update,
+ .final = safexcel_ahash_final,
+ .finup = safexcel_ahash_finup,
+ .digest = safexcel_sha1_digest,
+ .export = safexcel_ahash_export,
+ .import = safexcel_ahash_import,
+ .halg = {
+ .digestsize = SHA1_DIGEST_SIZE,
+ .statesize = sizeof(struct safexcel_ahash_export_state),
+ .base = {
+ .cra_name = "sha1",
+ .cra_driver_name = "safexcel-sha1",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA1_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct safexcel_ahash_ctx),
+ .cra_init = safexcel_ahash_cra_init,
+ .cra_exit = safexcel_ahash_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+ },
+};
+
+static int safexcel_hmac_sha1_init(struct ahash_request *areq)
+{
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+
+ safexcel_sha1_init(areq);
+ req->digest = CONTEXT_CONTROL_DIGEST_HMAC;
+ return 0;
+}
+
+static int safexcel_hmac_sha1_digest(struct ahash_request *areq)
+{
+ int ret = safexcel_hmac_sha1_init(areq);
+
+ if (ret)
+ return ret;
+
+ return safexcel_ahash_finup(areq);
+}
+
+struct safexcel_ahash_result {
+ struct completion completion;
+ int error;
+};
+
+static void safexcel_ahash_complete(struct crypto_async_request *req, int error)
+{
+ struct safexcel_ahash_result *result = req->data;
+
+ if (error == -EINPROGRESS)
+ return;
+
+ result->error = error;
+ complete(&result->completion);
+}
+
+static int safexcel_hmac_init_pad(struct ahash_request *areq,
+ unsigned int blocksize, const u8 *key,
+ unsigned int keylen, u8 *ipad, u8 *opad)
+{
+ struct safexcel_ahash_result result;
+ struct scatterlist sg;
+ int ret, i;
+ u8 *keydup;
+
+ if (keylen <= blocksize) {
+ memcpy(ipad, key, keylen);
+ } else {
+ keydup = kmemdup(key, keylen, GFP_KERNEL);
+ if (!keydup)
+ return -ENOMEM;
+
+ ahash_request_set_callback(areq, CRYPTO_TFM_REQ_MAY_BACKLOG,
+ safexcel_ahash_complete, &result);
+ sg_init_one(&sg, keydup, keylen);
+ ahash_request_set_crypt(areq, &sg, ipad, keylen);
+ init_completion(&result.completion);
+
+ ret = crypto_ahash_digest(areq);
+ if (ret == -EINPROGRESS || ret == -EBUSY) {
+ wait_for_completion_interruptible(&result.completion);
+ ret = result.error;
+ }
+
+ /* Avoid leaking */
+ memzero_explicit(keydup, keylen);
+ kfree(keydup);
+
+ if (ret)
+ return ret;
+
+ keylen = crypto_ahash_digestsize(crypto_ahash_reqtfm(areq));
+ }
+
+ memset(ipad + keylen, 0, blocksize - keylen);
+ memcpy(opad, ipad, blocksize);
+
+ for (i = 0; i < blocksize; i++) {
+ ipad[i] ^= HMAC_IPAD_VALUE;
+ opad[i] ^= HMAC_OPAD_VALUE;
+ }
+
+ return 0;
+}
+
+static int safexcel_hmac_init_iv(struct ahash_request *areq,
+ unsigned int blocksize, u8 *pad, void *state)
+{
+ struct safexcel_ahash_result result;
+ struct safexcel_ahash_req *req;
+ struct scatterlist sg;
+ int ret;
+
+ ahash_request_set_callback(areq, CRYPTO_TFM_REQ_MAY_BACKLOG,
+ safexcel_ahash_complete, &result);
+ sg_init_one(&sg, pad, blocksize);
+ ahash_request_set_crypt(areq, &sg, pad, blocksize);
+ init_completion(&result.completion);
+
+ ret = crypto_ahash_init(areq);
+ if (ret)
+ return ret;
+
+ req = ahash_request_ctx(areq);
+ req->hmac = true;
+ req->last_req = true;
+
+ ret = crypto_ahash_update(areq);
+ if (ret && ret != -EINPROGRESS && ret != -EBUSY)
+ return ret;
+
+ wait_for_completion_interruptible(&result.completion);
+ if (result.error)
+ return result.error;
+
+ return crypto_ahash_export(areq, state);
+}
+
+int safexcel_hmac_setkey(const char *alg, const u8 *key, unsigned int keylen,
+ void *istate, void *ostate)
+{
+ struct ahash_request *areq;
+ struct crypto_ahash *tfm;
+ unsigned int blocksize;
+ u8 *ipad, *opad;
+ int ret;
+
+ tfm = crypto_alloc_ahash(alg, 0, 0);
+ if (IS_ERR(tfm))
+ return PTR_ERR(tfm);
+
+ areq = ahash_request_alloc(tfm, GFP_KERNEL);
+ if (!areq) {
+ ret = -ENOMEM;
+ goto free_ahash;
+ }
+
+ crypto_ahash_clear_flags(tfm, ~0);
+ blocksize = crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm));
+
+ ipad = kcalloc(2, blocksize, GFP_KERNEL);
+ if (!ipad) {
+ ret = -ENOMEM;
+ goto free_request;
+ }
+
+ opad = ipad + blocksize;
+
+ ret = safexcel_hmac_init_pad(areq, blocksize, key, keylen, ipad, opad);
+ if (ret)
+ goto free_ipad;
+
+ ret = safexcel_hmac_init_iv(areq, blocksize, ipad, istate);
+ if (ret)
+ goto free_ipad;
+
+ ret = safexcel_hmac_init_iv(areq, blocksize, opad, ostate);
+
+free_ipad:
+ kfree(ipad);
+free_request:
+ ahash_request_free(areq);
+free_ahash:
+ crypto_free_ahash(tfm);
+
+ return ret;
+}
+
+static int safexcel_hmac_alg_setkey(struct crypto_ahash *tfm, const u8 *key,
+ unsigned int keylen, const char *alg,
+ unsigned int state_sz)
+{
+ struct safexcel_ahash_ctx *ctx = crypto_tfm_ctx(crypto_ahash_tfm(tfm));
+ struct safexcel_crypto_priv *priv = ctx->priv;
+ struct safexcel_ahash_export_state istate, ostate;
+ int ret, i;
+
+ ret = safexcel_hmac_setkey(alg, key, keylen, &istate, &ostate);
+ if (ret)
+ return ret;
+
+ if (priv->flags & EIP197_TRC_CACHE && ctx->base.ctxr) {
+ for (i = 0; i < state_sz / sizeof(u32); i++) {
+ if (ctx->ipad[i] != le32_to_cpu(istate.state[i]) ||
+ ctx->opad[i] != le32_to_cpu(ostate.state[i])) {
+ ctx->base.needs_inv = true;
+ break;
+ }
+ }
+ }
+
+ memcpy(ctx->ipad, &istate.state, state_sz);
+ memcpy(ctx->opad, &ostate.state, state_sz);
+
+ return 0;
+}
+
+static int safexcel_hmac_sha1_setkey(struct crypto_ahash *tfm, const u8 *key,
+ unsigned int keylen)
+{
+ return safexcel_hmac_alg_setkey(tfm, key, keylen, "safexcel-sha1",
+ SHA1_DIGEST_SIZE);
+}
+
+struct safexcel_alg_template safexcel_alg_hmac_sha1 = {
+ .type = SAFEXCEL_ALG_TYPE_AHASH,
+ .engines = EIP97IES | EIP197B | EIP197D,
+ .alg.ahash = {
+ .init = safexcel_hmac_sha1_init,
+ .update = safexcel_ahash_update,
+ .final = safexcel_ahash_final,
+ .finup = safexcel_ahash_finup,
+ .digest = safexcel_hmac_sha1_digest,
+ .setkey = safexcel_hmac_sha1_setkey,
+ .export = safexcel_ahash_export,
+ .import = safexcel_ahash_import,
+ .halg = {
+ .digestsize = SHA1_DIGEST_SIZE,
+ .statesize = sizeof(struct safexcel_ahash_export_state),
+ .base = {
+ .cra_name = "hmac(sha1)",
+ .cra_driver_name = "safexcel-hmac-sha1",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA1_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct safexcel_ahash_ctx),
+ .cra_init = safexcel_ahash_cra_init,
+ .cra_exit = safexcel_ahash_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+ },
+};
+
+static int safexcel_sha256_init(struct ahash_request *areq)
+{
+ struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq));
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+
+ memset(req, 0, sizeof(*req));
+
+ req->state[0] = SHA256_H0;
+ req->state[1] = SHA256_H1;
+ req->state[2] = SHA256_H2;
+ req->state[3] = SHA256_H3;
+ req->state[4] = SHA256_H4;
+ req->state[5] = SHA256_H5;
+ req->state[6] = SHA256_H6;
+ req->state[7] = SHA256_H7;
+
+ ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA256;
+ req->digest = CONTEXT_CONTROL_DIGEST_PRECOMPUTED;
+ req->state_sz = SHA256_DIGEST_SIZE;
+
+ return 0;
+}
+
+static int safexcel_sha256_digest(struct ahash_request *areq)
+{
+ int ret = safexcel_sha256_init(areq);
+
+ if (ret)
+ return ret;
+
+ return safexcel_ahash_finup(areq);
+}
+
+struct safexcel_alg_template safexcel_alg_sha256 = {
+ .type = SAFEXCEL_ALG_TYPE_AHASH,
+ .engines = EIP97IES | EIP197B | EIP197D,
+ .alg.ahash = {
+ .init = safexcel_sha256_init,
+ .update = safexcel_ahash_update,
+ .final = safexcel_ahash_final,
+ .finup = safexcel_ahash_finup,
+ .digest = safexcel_sha256_digest,
+ .export = safexcel_ahash_export,
+ .import = safexcel_ahash_import,
+ .halg = {
+ .digestsize = SHA256_DIGEST_SIZE,
+ .statesize = sizeof(struct safexcel_ahash_export_state),
+ .base = {
+ .cra_name = "sha256",
+ .cra_driver_name = "safexcel-sha256",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA256_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct safexcel_ahash_ctx),
+ .cra_init = safexcel_ahash_cra_init,
+ .cra_exit = safexcel_ahash_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+ },
+};
+
+static int safexcel_sha224_init(struct ahash_request *areq)
+{
+ struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq));
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+
+ memset(req, 0, sizeof(*req));
+
+ req->state[0] = SHA224_H0;
+ req->state[1] = SHA224_H1;
+ req->state[2] = SHA224_H2;
+ req->state[3] = SHA224_H3;
+ req->state[4] = SHA224_H4;
+ req->state[5] = SHA224_H5;
+ req->state[6] = SHA224_H6;
+ req->state[7] = SHA224_H7;
+
+ ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA224;
+ req->digest = CONTEXT_CONTROL_DIGEST_PRECOMPUTED;
+ req->state_sz = SHA256_DIGEST_SIZE;
+
+ return 0;
+}
+
+static int safexcel_sha224_digest(struct ahash_request *areq)
+{
+ int ret = safexcel_sha224_init(areq);
+
+ if (ret)
+ return ret;
+
+ return safexcel_ahash_finup(areq);
+}
+
+struct safexcel_alg_template safexcel_alg_sha224 = {
+ .type = SAFEXCEL_ALG_TYPE_AHASH,
+ .engines = EIP97IES | EIP197B | EIP197D,
+ .alg.ahash = {
+ .init = safexcel_sha224_init,
+ .update = safexcel_ahash_update,
+ .final = safexcel_ahash_final,
+ .finup = safexcel_ahash_finup,
+ .digest = safexcel_sha224_digest,
+ .export = safexcel_ahash_export,
+ .import = safexcel_ahash_import,
+ .halg = {
+ .digestsize = SHA224_DIGEST_SIZE,
+ .statesize = sizeof(struct safexcel_ahash_export_state),
+ .base = {
+ .cra_name = "sha224",
+ .cra_driver_name = "safexcel-sha224",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA224_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct safexcel_ahash_ctx),
+ .cra_init = safexcel_ahash_cra_init,
+ .cra_exit = safexcel_ahash_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+ },
+};
+
+static int safexcel_hmac_sha224_setkey(struct crypto_ahash *tfm, const u8 *key,
+ unsigned int keylen)
+{
+ return safexcel_hmac_alg_setkey(tfm, key, keylen, "safexcel-sha224",
+ SHA256_DIGEST_SIZE);
+}
+
+static int safexcel_hmac_sha224_init(struct ahash_request *areq)
+{
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+
+ safexcel_sha224_init(areq);
+ req->digest = CONTEXT_CONTROL_DIGEST_HMAC;
+ return 0;
+}
+
+static int safexcel_hmac_sha224_digest(struct ahash_request *areq)
+{
+ int ret = safexcel_hmac_sha224_init(areq);
+
+ if (ret)
+ return ret;
+
+ return safexcel_ahash_finup(areq);
+}
+
+struct safexcel_alg_template safexcel_alg_hmac_sha224 = {
+ .type = SAFEXCEL_ALG_TYPE_AHASH,
+ .engines = EIP97IES | EIP197B | EIP197D,
+ .alg.ahash = {
+ .init = safexcel_hmac_sha224_init,
+ .update = safexcel_ahash_update,
+ .final = safexcel_ahash_final,
+ .finup = safexcel_ahash_finup,
+ .digest = safexcel_hmac_sha224_digest,
+ .setkey = safexcel_hmac_sha224_setkey,
+ .export = safexcel_ahash_export,
+ .import = safexcel_ahash_import,
+ .halg = {
+ .digestsize = SHA224_DIGEST_SIZE,
+ .statesize = sizeof(struct safexcel_ahash_export_state),
+ .base = {
+ .cra_name = "hmac(sha224)",
+ .cra_driver_name = "safexcel-hmac-sha224",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA224_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct safexcel_ahash_ctx),
+ .cra_init = safexcel_ahash_cra_init,
+ .cra_exit = safexcel_ahash_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+ },
+};
+
+static int safexcel_hmac_sha256_setkey(struct crypto_ahash *tfm, const u8 *key,
+ unsigned int keylen)
+{
+ return safexcel_hmac_alg_setkey(tfm, key, keylen, "safexcel-sha256",
+ SHA256_DIGEST_SIZE);
+}
+
+static int safexcel_hmac_sha256_init(struct ahash_request *areq)
+{
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+
+ safexcel_sha256_init(areq);
+ req->digest = CONTEXT_CONTROL_DIGEST_HMAC;
+ return 0;
+}
+
+static int safexcel_hmac_sha256_digest(struct ahash_request *areq)
+{
+ int ret = safexcel_hmac_sha256_init(areq);
+
+ if (ret)
+ return ret;
+
+ return safexcel_ahash_finup(areq);
+}
+
+struct safexcel_alg_template safexcel_alg_hmac_sha256 = {
+ .type = SAFEXCEL_ALG_TYPE_AHASH,
+ .engines = EIP97IES | EIP197B | EIP197D,
+ .alg.ahash = {
+ .init = safexcel_hmac_sha256_init,
+ .update = safexcel_ahash_update,
+ .final = safexcel_ahash_final,
+ .finup = safexcel_ahash_finup,
+ .digest = safexcel_hmac_sha256_digest,
+ .setkey = safexcel_hmac_sha256_setkey,
+ .export = safexcel_ahash_export,
+ .import = safexcel_ahash_import,
+ .halg = {
+ .digestsize = SHA256_DIGEST_SIZE,
+ .statesize = sizeof(struct safexcel_ahash_export_state),
+ .base = {
+ .cra_name = "hmac(sha256)",
+ .cra_driver_name = "safexcel-hmac-sha256",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA256_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct safexcel_ahash_ctx),
+ .cra_init = safexcel_ahash_cra_init,
+ .cra_exit = safexcel_ahash_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+ },
+};
+
+static int safexcel_sha512_init(struct ahash_request *areq)
+{
+ struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq));
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+
+ memset(req, 0, sizeof(*req));
+
+ req->state[0] = lower_32_bits(SHA512_H0);
+ req->state[1] = upper_32_bits(SHA512_H0);
+ req->state[2] = lower_32_bits(SHA512_H1);
+ req->state[3] = upper_32_bits(SHA512_H1);
+ req->state[4] = lower_32_bits(SHA512_H2);
+ req->state[5] = upper_32_bits(SHA512_H2);
+ req->state[6] = lower_32_bits(SHA512_H3);
+ req->state[7] = upper_32_bits(SHA512_H3);
+ req->state[8] = lower_32_bits(SHA512_H4);
+ req->state[9] = upper_32_bits(SHA512_H4);
+ req->state[10] = lower_32_bits(SHA512_H5);
+ req->state[11] = upper_32_bits(SHA512_H5);
+ req->state[12] = lower_32_bits(SHA512_H6);
+ req->state[13] = upper_32_bits(SHA512_H6);
+ req->state[14] = lower_32_bits(SHA512_H7);
+ req->state[15] = upper_32_bits(SHA512_H7);
+
+ ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA512;
+ req->digest = CONTEXT_CONTROL_DIGEST_PRECOMPUTED;
+ req->state_sz = SHA512_DIGEST_SIZE;
+
+ return 0;
+}
+
+static int safexcel_sha512_digest(struct ahash_request *areq)
+{
+ int ret = safexcel_sha512_init(areq);
+
+ if (ret)
+ return ret;
+
+ return safexcel_ahash_finup(areq);
+}
+
+struct safexcel_alg_template safexcel_alg_sha512 = {
+ .type = SAFEXCEL_ALG_TYPE_AHASH,
+ .engines = EIP97IES | EIP197B | EIP197D,
+ .alg.ahash = {
+ .init = safexcel_sha512_init,
+ .update = safexcel_ahash_update,
+ .final = safexcel_ahash_final,
+ .finup = safexcel_ahash_finup,
+ .digest = safexcel_sha512_digest,
+ .export = safexcel_ahash_export,
+ .import = safexcel_ahash_import,
+ .halg = {
+ .digestsize = SHA512_DIGEST_SIZE,
+ .statesize = sizeof(struct safexcel_ahash_export_state),
+ .base = {
+ .cra_name = "sha512",
+ .cra_driver_name = "safexcel-sha512",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA512_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct safexcel_ahash_ctx),
+ .cra_init = safexcel_ahash_cra_init,
+ .cra_exit = safexcel_ahash_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+ },
+};
+
+static int safexcel_sha384_init(struct ahash_request *areq)
+{
+ struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq));
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+
+ memset(req, 0, sizeof(*req));
+
+ req->state[0] = lower_32_bits(SHA384_H0);
+ req->state[1] = upper_32_bits(SHA384_H0);
+ req->state[2] = lower_32_bits(SHA384_H1);
+ req->state[3] = upper_32_bits(SHA384_H1);
+ req->state[4] = lower_32_bits(SHA384_H2);
+ req->state[5] = upper_32_bits(SHA384_H2);
+ req->state[6] = lower_32_bits(SHA384_H3);
+ req->state[7] = upper_32_bits(SHA384_H3);
+ req->state[8] = lower_32_bits(SHA384_H4);
+ req->state[9] = upper_32_bits(SHA384_H4);
+ req->state[10] = lower_32_bits(SHA384_H5);
+ req->state[11] = upper_32_bits(SHA384_H5);
+ req->state[12] = lower_32_bits(SHA384_H6);
+ req->state[13] = upper_32_bits(SHA384_H6);
+ req->state[14] = lower_32_bits(SHA384_H7);
+ req->state[15] = upper_32_bits(SHA384_H7);
+
+ ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA384;
+ req->digest = CONTEXT_CONTROL_DIGEST_PRECOMPUTED;
+ req->state_sz = SHA512_DIGEST_SIZE;
+
+ return 0;
+}
+
+static int safexcel_sha384_digest(struct ahash_request *areq)
+{
+ int ret = safexcel_sha384_init(areq);
+
+ if (ret)
+ return ret;
+
+ return safexcel_ahash_finup(areq);
+}
+
+struct safexcel_alg_template safexcel_alg_sha384 = {
+ .type = SAFEXCEL_ALG_TYPE_AHASH,
+ .engines = EIP97IES | EIP197B | EIP197D,
+ .alg.ahash = {
+ .init = safexcel_sha384_init,
+ .update = safexcel_ahash_update,
+ .final = safexcel_ahash_final,
+ .finup = safexcel_ahash_finup,
+ .digest = safexcel_sha384_digest,
+ .export = safexcel_ahash_export,
+ .import = safexcel_ahash_import,
+ .halg = {
+ .digestsize = SHA384_DIGEST_SIZE,
+ .statesize = sizeof(struct safexcel_ahash_export_state),
+ .base = {
+ .cra_name = "sha384",
+ .cra_driver_name = "safexcel-sha384",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA384_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct safexcel_ahash_ctx),
+ .cra_init = safexcel_ahash_cra_init,
+ .cra_exit = safexcel_ahash_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+ },
+};
+
+static int safexcel_hmac_sha512_setkey(struct crypto_ahash *tfm, const u8 *key,
+ unsigned int keylen)
+{
+ return safexcel_hmac_alg_setkey(tfm, key, keylen, "safexcel-sha512",
+ SHA512_DIGEST_SIZE);
+}
+
+static int safexcel_hmac_sha512_init(struct ahash_request *areq)
+{
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+
+ safexcel_sha512_init(areq);
+ req->digest = CONTEXT_CONTROL_DIGEST_HMAC;
+ return 0;
+}
+
+static int safexcel_hmac_sha512_digest(struct ahash_request *areq)
+{
+ int ret = safexcel_hmac_sha512_init(areq);
+
+ if (ret)
+ return ret;
+
+ return safexcel_ahash_finup(areq);
+}
+
+struct safexcel_alg_template safexcel_alg_hmac_sha512 = {
+ .type = SAFEXCEL_ALG_TYPE_AHASH,
+ .engines = EIP97IES | EIP197B | EIP197D,
+ .alg.ahash = {
+ .init = safexcel_hmac_sha512_init,
+ .update = safexcel_ahash_update,
+ .final = safexcel_ahash_final,
+ .finup = safexcel_ahash_finup,
+ .digest = safexcel_hmac_sha512_digest,
+ .setkey = safexcel_hmac_sha512_setkey,
+ .export = safexcel_ahash_export,
+ .import = safexcel_ahash_import,
+ .halg = {
+ .digestsize = SHA512_DIGEST_SIZE,
+ .statesize = sizeof(struct safexcel_ahash_export_state),
+ .base = {
+ .cra_name = "hmac(sha512)",
+ .cra_driver_name = "safexcel-hmac-sha512",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA512_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct safexcel_ahash_ctx),
+ .cra_init = safexcel_ahash_cra_init,
+ .cra_exit = safexcel_ahash_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+ },
+};
+
+static int safexcel_hmac_sha384_setkey(struct crypto_ahash *tfm, const u8 *key,
+ unsigned int keylen)
+{
+ return safexcel_hmac_alg_setkey(tfm, key, keylen, "safexcel-sha384",
+ SHA512_DIGEST_SIZE);
+}
+
+static int safexcel_hmac_sha384_init(struct ahash_request *areq)
+{
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+
+ safexcel_sha384_init(areq);
+ req->digest = CONTEXT_CONTROL_DIGEST_HMAC;
+ return 0;
+}
+
+static int safexcel_hmac_sha384_digest(struct ahash_request *areq)
+{
+ int ret = safexcel_hmac_sha384_init(areq);
+
+ if (ret)
+ return ret;
+
+ return safexcel_ahash_finup(areq);
+}
+
+struct safexcel_alg_template safexcel_alg_hmac_sha384 = {
+ .type = SAFEXCEL_ALG_TYPE_AHASH,
+ .engines = EIP97IES | EIP197B | EIP197D,
+ .alg.ahash = {
+ .init = safexcel_hmac_sha384_init,
+ .update = safexcel_ahash_update,
+ .final = safexcel_ahash_final,
+ .finup = safexcel_ahash_finup,
+ .digest = safexcel_hmac_sha384_digest,
+ .setkey = safexcel_hmac_sha384_setkey,
+ .export = safexcel_ahash_export,
+ .import = safexcel_ahash_import,
+ .halg = {
+ .digestsize = SHA384_DIGEST_SIZE,
+ .statesize = sizeof(struct safexcel_ahash_export_state),
+ .base = {
+ .cra_name = "hmac(sha384)",
+ .cra_driver_name = "safexcel-hmac-sha384",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA384_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct safexcel_ahash_ctx),
+ .cra_init = safexcel_ahash_cra_init,
+ .cra_exit = safexcel_ahash_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+ },
+};
+
+static int safexcel_md5_init(struct ahash_request *areq)
+{
+ struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq));
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+
+ memset(req, 0, sizeof(*req));
+
+ req->state[0] = MD5_H0;
+ req->state[1] = MD5_H1;
+ req->state[2] = MD5_H2;
+ req->state[3] = MD5_H3;
+
+ ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_MD5;
+ req->digest = CONTEXT_CONTROL_DIGEST_PRECOMPUTED;
+ req->state_sz = MD5_DIGEST_SIZE;
+
+ return 0;
+}
+
+static int safexcel_md5_digest(struct ahash_request *areq)
+{
+ int ret = safexcel_md5_init(areq);
+
+ if (ret)
+ return ret;
+
+ return safexcel_ahash_finup(areq);
+}
+
+struct safexcel_alg_template safexcel_alg_md5 = {
+ .type = SAFEXCEL_ALG_TYPE_AHASH,
+ .engines = EIP97IES | EIP197B | EIP197D,
+ .alg.ahash = {
+ .init = safexcel_md5_init,
+ .update = safexcel_ahash_update,
+ .final = safexcel_ahash_final,
+ .finup = safexcel_ahash_finup,
+ .digest = safexcel_md5_digest,
+ .export = safexcel_ahash_export,
+ .import = safexcel_ahash_import,
+ .halg = {
+ .digestsize = MD5_DIGEST_SIZE,
+ .statesize = sizeof(struct safexcel_ahash_export_state),
+ .base = {
+ .cra_name = "md5",
+ .cra_driver_name = "safexcel-md5",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = MD5_HMAC_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct safexcel_ahash_ctx),
+ .cra_init = safexcel_ahash_cra_init,
+ .cra_exit = safexcel_ahash_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+ },
+};
+
+static int safexcel_hmac_md5_init(struct ahash_request *areq)
+{
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+
+ safexcel_md5_init(areq);
+ req->digest = CONTEXT_CONTROL_DIGEST_HMAC;
+ return 0;
+}
+
+static int safexcel_hmac_md5_setkey(struct crypto_ahash *tfm, const u8 *key,
+ unsigned int keylen)
+{
+ return safexcel_hmac_alg_setkey(tfm, key, keylen, "safexcel-md5",
+ MD5_DIGEST_SIZE);
+}
+
+static int safexcel_hmac_md5_digest(struct ahash_request *areq)
+{
+ int ret = safexcel_hmac_md5_init(areq);
+
+ if (ret)
+ return ret;
+
+ return safexcel_ahash_finup(areq);
+}
+
+struct safexcel_alg_template safexcel_alg_hmac_md5 = {
+ .type = SAFEXCEL_ALG_TYPE_AHASH,
+ .engines = EIP97IES | EIP197B | EIP197D,
+ .alg.ahash = {
+ .init = safexcel_hmac_md5_init,
+ .update = safexcel_ahash_update,
+ .final = safexcel_ahash_final,
+ .finup = safexcel_ahash_finup,
+ .digest = safexcel_hmac_md5_digest,
+ .setkey = safexcel_hmac_md5_setkey,
+ .export = safexcel_ahash_export,
+ .import = safexcel_ahash_import,
+ .halg = {
+ .digestsize = MD5_DIGEST_SIZE,
+ .statesize = sizeof(struct safexcel_ahash_export_state),
+ .base = {
+ .cra_name = "hmac(md5)",
+ .cra_driver_name = "safexcel-hmac-md5",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = MD5_HMAC_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct safexcel_ahash_ctx),
+ .cra_init = safexcel_ahash_cra_init,
+ .cra_exit = safexcel_ahash_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+ },
+};