1 files changed, 94 insertions, 98 deletions

diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
index 36a82b22953c..36a1ebca2e70 100644
--- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
+++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
@@ -7,51 +7,39 @@
  *
  * This file add support for MD5 and SHA1/SHA224/SHA256.
  *
- * You could find the datasheet in Documentation/arm/sunxi.rst
+ * You could find the datasheet in Documentation/arch/arm/sunxi.rst
  */
-#include <linux/bottom_half.h>
-#include <linux/dma-mapping.h>
-#include <linux/pm_runtime.h>
-#include <linux/scatterlist.h>
-#include <crypto/internal/hash.h>
+
 #include <crypto/hmac.h>
+#include <crypto/internal/hash.h>
+#include <crypto/md5.h>
 #include <crypto/scatterwalk.h>
 #include <crypto/sha1.h>
 #include <crypto/sha2.h>
-#include <crypto/md5.h>
+#include <linux/bottom_half.h>
+#include <linux/dma-mapping.h>
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/pm_runtime.h>
+#include <linux/scatterlist.h>
+#include <linux/slab.h>
+#include <linux/string.h>
 #include "sun8i-ss.h"
 
 static int sun8i_ss_hashkey(struct sun8i_ss_hash_tfm_ctx *tfmctx, const u8 *key,
 			    unsigned int keylen)
 {
 	struct crypto_shash *xtfm;
-	struct shash_desc *sdesc;
-	size_t len;
-	int ret = 0;
+	int ret;
 
 	xtfm = crypto_alloc_shash("sha1", 0, CRYPTO_ALG_NEED_FALLBACK);
 	if (IS_ERR(xtfm))
 		return PTR_ERR(xtfm);
 
-	len = sizeof(*sdesc) + crypto_shash_descsize(xtfm);
-	sdesc = kmalloc(len, GFP_KERNEL);
-	if (!sdesc) {
-		ret = -ENOMEM;
-		goto err_hashkey_sdesc;
-	}
-	sdesc->tfm = xtfm;
-
-	ret = crypto_shash_init(sdesc);
-	if (ret) {
-		dev_err(tfmctx->ss->dev, "shash init error ret=%d\n", ret);
-		goto err_hashkey;
-	}
-	ret = crypto_shash_finup(sdesc, key, keylen, tfmctx->key);
+	ret = crypto_shash_tfm_digest(xtfm, key, keylen, tfmctx->key);
 	if (ret)
-		dev_err(tfmctx->ss->dev, "shash finup error\n");
-err_hashkey:
-	kfree(sdesc);
-err_hashkey_sdesc:
+		dev_err(tfmctx->ss->dev, "shash digest error ret=%d\n", ret);
+
 	crypto_free_shash(xtfm);
 	return ret;
 }
@@ -60,14 +48,11 @@ int sun8i_ss_hmac_setkey(struct crypto_ahash *ahash, const u8 *key,
 			 unsigned int keylen)
 {
 	struct sun8i_ss_hash_tfm_ctx *tfmctx = crypto_ahash_ctx(ahash);
-	struct ahash_alg *alg = __crypto_ahash_alg(ahash->base.__crt_alg);
-	struct sun8i_ss_alg_template *algt;
 	int digestsize, i;
 	int bs = crypto_ahash_blocksize(ahash);
 	int ret;
 
-	algt = container_of(alg, struct sun8i_ss_alg_template, alg.hash);
-	digestsize = algt->alg.hash.halg.digestsize;
+	digestsize = crypto_ahash_digestsize(ahash);
 
 	if (keylen > bs) {
 		ret = sun8i_ss_hashkey(tfmctx, key, keylen);
@@ -79,10 +64,10 @@ int sun8i_ss_hmac_setkey(struct crypto_ahash *ahash, const u8 *key,
 		memcpy(tfmctx->key, key, keylen);
 	}
 
-	tfmctx->ipad = kzalloc(bs, GFP_KERNEL | GFP_DMA);
+	tfmctx->ipad = kzalloc(bs, GFP_KERNEL);
 	if (!tfmctx->ipad)
 		return -ENOMEM;
-	tfmctx->opad = kzalloc(bs, GFP_KERNEL | GFP_DMA);
+	tfmctx->opad = kzalloc(bs, GFP_KERNEL);
 	if (!tfmctx->opad) {
 		ret = -ENOMEM;
 		goto err_opad;
@@ -107,38 +92,33 @@ err_opad:
 	return ret;
 }
 
-int sun8i_ss_hash_crainit(struct crypto_tfm *tfm)
+int sun8i_ss_hash_init_tfm(struct crypto_ahash *tfm)
 {
-	struct sun8i_ss_hash_tfm_ctx *op = crypto_tfm_ctx(tfm);
-	struct ahash_alg *alg = __crypto_ahash_alg(tfm->__crt_alg);
+	struct sun8i_ss_hash_tfm_ctx *op = crypto_ahash_ctx(tfm);
+	struct ahash_alg *alg = crypto_ahash_alg(tfm);
 	struct sun8i_ss_alg_template *algt;
 	int err;
 
-	memset(op, 0, sizeof(struct sun8i_ss_hash_tfm_ctx));
-
-	algt = container_of(alg, struct sun8i_ss_alg_template, alg.hash);
+	algt = container_of(alg, struct sun8i_ss_alg_template, alg.hash.base);
 	op->ss = algt->ss;
 
-	op->enginectx.op.do_one_request = sun8i_ss_hash_run;
-	op->enginectx.op.prepare_request = NULL;
-	op->enginectx.op.unprepare_request = NULL;
-
 	/* FALLBACK */
-	op->fallback_tfm = crypto_alloc_ahash(crypto_tfm_alg_name(tfm), 0,
+	op->fallback_tfm = crypto_alloc_ahash(crypto_ahash_alg_name(tfm), 0,
 					      CRYPTO_ALG_NEED_FALLBACK);
 	if (IS_ERR(op->fallback_tfm)) {
 		dev_err(algt->ss->dev, "Fallback driver could no be loaded\n");
 		return PTR_ERR(op->fallback_tfm);
 	}
 
-	if (algt->alg.hash.halg.statesize < crypto_ahash_statesize(op->fallback_tfm))
-		algt->alg.hash.halg.statesize = crypto_ahash_statesize(op->fallback_tfm);
+	crypto_ahash_set_statesize(tfm,
+				   crypto_ahash_statesize(op->fallback_tfm));
 
-	crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
+	crypto_ahash_set_reqsize(tfm,
 				 sizeof(struct sun8i_ss_hash_reqctx) +
 				 crypto_ahash_reqsize(op->fallback_tfm));
 
-	memcpy(algt->fbname, crypto_tfm_alg_driver_name(&op->fallback_tfm->base), CRYPTO_MAX_ALG_NAME);
+	memcpy(algt->fbname, crypto_ahash_driver_name(op->fallback_tfm),
+	       CRYPTO_MAX_ALG_NAME);
 
 	err = pm_runtime_get_sync(op->ss->dev);
 	if (err < 0)
@@ -150,9 +130,9 @@ error_pm:
 	return err;
 }
 
-void sun8i_ss_hash_craexit(struct crypto_tfm *tfm)
+void sun8i_ss_hash_exit_tfm(struct crypto_ahash *tfm)
 {
-	struct sun8i_ss_hash_tfm_ctx *tfmctx = crypto_tfm_ctx(tfm);
+	struct sun8i_ss_hash_tfm_ctx *tfmctx = crypto_ahash_ctx(tfm);
 
 	kfree_sensitive(tfmctx->ipad);
 	kfree_sensitive(tfmctx->opad);
@@ -170,7 +150,9 @@ int sun8i_ss_hash_init(struct ahash_request *areq)
 	memset(rctx, 0, sizeof(struct sun8i_ss_hash_reqctx));
 
 	ahash_request_set_tfm(&rctx->fallback_req, tfmctx->fallback_tfm);
-	rctx->fallback_req.base.flags = areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP;
+	ahash_request_set_callback(&rctx->fallback_req,
+				   areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
+				   areq->base.complete, areq->base.data);
 
 	return crypto_ahash_init(&rctx->fallback_req);
 }
@@ -182,7 +164,9 @@ int sun8i_ss_hash_export(struct ahash_request *areq, void *out)
 	struct sun8i_ss_hash_tfm_ctx *tfmctx = crypto_ahash_ctx(tfm);
 
 	ahash_request_set_tfm(&rctx->fallback_req, tfmctx->fallback_tfm);
-	rctx->fallback_req.base.flags = areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP;
+	ahash_request_set_callback(&rctx->fallback_req,
+				   areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
+				   areq->base.complete, areq->base.data);
 
 	return crypto_ahash_export(&rctx->fallback_req, out);
 }
@@ -194,7 +178,9 @@ int sun8i_ss_hash_import(struct ahash_request *areq, const void *in)
 	struct sun8i_ss_hash_tfm_ctx *tfmctx = crypto_ahash_ctx(tfm);
 
 	ahash_request_set_tfm(&rctx->fallback_req, tfmctx->fallback_tfm);
-	rctx->fallback_req.base.flags = areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP;
+	ahash_request_set_callback(&rctx->fallback_req,
+				   areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
+				   areq->base.complete, areq->base.data);
 
 	return crypto_ahash_import(&rctx->fallback_req, in);
 }
@@ -204,20 +190,24 @@ int sun8i_ss_hash_final(struct ahash_request *areq)
 	struct sun8i_ss_hash_reqctx *rctx = ahash_request_ctx(areq);
 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
 	struct sun8i_ss_hash_tfm_ctx *tfmctx = crypto_ahash_ctx(tfm);
-#ifdef CONFIG_CRYPTO_DEV_SUN8I_SS_DEBUG
-	struct ahash_alg *alg = __crypto_ahash_alg(tfm->base.__crt_alg);
-	struct sun8i_ss_alg_template *algt;
-#endif
 
 	ahash_request_set_tfm(&rctx->fallback_req, tfmctx->fallback_tfm);
-	rctx->fallback_req.base.flags = areq->base.flags &
-					CRYPTO_TFM_REQ_MAY_SLEEP;
-	rctx->fallback_req.result = areq->result;
+	ahash_request_set_callback(&rctx->fallback_req,
+				   areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
+				   areq->base.complete, areq->base.data);
+	ahash_request_set_crypt(&rctx->fallback_req, NULL, areq->result, 0);
+
+	if (IS_ENABLED(CONFIG_CRYPTO_DEV_SUN8I_SS_DEBUG)) {
+		struct ahash_alg *alg = crypto_ahash_alg(tfm);
+		struct sun8i_ss_alg_template *algt __maybe_unused;
+
+		algt = container_of(alg, struct sun8i_ss_alg_template,
+				    alg.hash.base);
 
 #ifdef CONFIG_CRYPTO_DEV_SUN8I_SS_DEBUG
-	algt = container_of(alg, struct sun8i_ss_alg_template, alg.hash);
-	algt->stat_fb++;
+		algt->stat_fb++;
 #endif
+	}
 
 	return crypto_ahash_final(&rctx->fallback_req);
 }
@@ -229,10 +219,10 @@ int sun8i_ss_hash_update(struct ahash_request *areq)
 	struct sun8i_ss_hash_tfm_ctx *tfmctx = crypto_ahash_ctx(tfm);
 
 	ahash_request_set_tfm(&rctx->fallback_req, tfmctx->fallback_tfm);
-	rctx->fallback_req.base.flags = areq->base.flags &
-					CRYPTO_TFM_REQ_MAY_SLEEP;
-	rctx->fallback_req.nbytes = areq->nbytes;
-	rctx->fallback_req.src = areq->src;
+	ahash_request_set_callback(&rctx->fallback_req,
+				   areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
+				   areq->base.complete, areq->base.data);
+	ahash_request_set_crypt(&rctx->fallback_req, areq->src, NULL, areq->nbytes);
 
 	return crypto_ahash_update(&rctx->fallback_req);
 }
@@ -242,22 +232,25 @@ int sun8i_ss_hash_finup(struct ahash_request *areq)
 	struct sun8i_ss_hash_reqctx *rctx = ahash_request_ctx(areq);
 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
 	struct sun8i_ss_hash_tfm_ctx *tfmctx = crypto_ahash_ctx(tfm);
-#ifdef CONFIG_CRYPTO_DEV_SUN8I_SS_DEBUG
-	struct ahash_alg *alg = __crypto_ahash_alg(tfm->base.__crt_alg);
-	struct sun8i_ss_alg_template *algt;
-#endif
 
 	ahash_request_set_tfm(&rctx->fallback_req, tfmctx->fallback_tfm);
-	rctx->fallback_req.base.flags = areq->base.flags &
-					CRYPTO_TFM_REQ_MAY_SLEEP;
+	ahash_request_set_callback(&rctx->fallback_req,
+				   areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
+				   areq->base.complete, areq->base.data);
+	ahash_request_set_crypt(&rctx->fallback_req, areq->src, areq->result,
+				areq->nbytes);
+
+	if (IS_ENABLED(CONFIG_CRYPTO_DEV_SUN8I_SS_DEBUG)) {
+		struct ahash_alg *alg = crypto_ahash_alg(tfm);
+		struct sun8i_ss_alg_template *algt __maybe_unused;
+
+		algt = container_of(alg, struct sun8i_ss_alg_template,
+				    alg.hash.base);
 
-	rctx->fallback_req.nbytes = areq->nbytes;
-	rctx->fallback_req.src = areq->src;
-	rctx->fallback_req.result = areq->result;
 #ifdef CONFIG_CRYPTO_DEV_SUN8I_SS_DEBUG
-	algt = container_of(alg, struct sun8i_ss_alg_template, alg.hash);
-	algt->stat_fb++;
+		algt->stat_fb++;
 #endif
+	}
 
 	return crypto_ahash_finup(&rctx->fallback_req);
 }
@@ -267,22 +260,25 @@ static int sun8i_ss_hash_digest_fb(struct ahash_request *areq)
 	struct sun8i_ss_hash_reqctx *rctx = ahash_request_ctx(areq);
 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
 	struct sun8i_ss_hash_tfm_ctx *tfmctx = crypto_ahash_ctx(tfm);
-#ifdef CONFIG_CRYPTO_DEV_SUN8I_SS_DEBUG
-	struct ahash_alg *alg = __crypto_ahash_alg(tfm->base.__crt_alg);
-	struct sun8i_ss_alg_template *algt;
-#endif
 
 	ahash_request_set_tfm(&rctx->fallback_req, tfmctx->fallback_tfm);
-	rctx->fallback_req.base.flags = areq->base.flags &
-					CRYPTO_TFM_REQ_MAY_SLEEP;
+	ahash_request_set_callback(&rctx->fallback_req,
+				   areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
+				   areq->base.complete, areq->base.data);
+	ahash_request_set_crypt(&rctx->fallback_req, areq->src, areq->result,
+				areq->nbytes);
+
+	if (IS_ENABLED(CONFIG_CRYPTO_DEV_SUN8I_SS_DEBUG)) {
+		struct ahash_alg *alg = crypto_ahash_alg(tfm);
+		struct sun8i_ss_alg_template *algt __maybe_unused;
+
+		algt = container_of(alg, struct sun8i_ss_alg_template,
+				    alg.hash.base);
 
-	rctx->fallback_req.nbytes = areq->nbytes;
-	rctx->fallback_req.src = areq->src;
-	rctx->fallback_req.result = areq->result;
 #ifdef CONFIG_CRYPTO_DEV_SUN8I_SS_DEBUG
-	algt = container_of(alg, struct sun8i_ss_alg_template, alg.hash);
-	algt->stat_fb++;
+		algt->stat_fb++;
 #endif
+	}
 
 	return crypto_ahash_digest(&rctx->fallback_req);
 }
@@ -349,11 +345,11 @@ static int sun8i_ss_run_hash_task(struct sun8i_ss_dev *ss,
 static bool sun8i_ss_hash_need_fallback(struct ahash_request *areq)
 {
 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
-	struct ahash_alg *alg = __crypto_ahash_alg(tfm->base.__crt_alg);
+	struct ahash_alg *alg = crypto_ahash_alg(tfm);
 	struct sun8i_ss_alg_template *algt;
 	struct scatterlist *sg;
 
-	algt = container_of(alg, struct sun8i_ss_alg_template, alg.hash);
+	algt = container_of(alg, struct sun8i_ss_alg_template, alg.hash.base);
 
 	if (areq->nbytes == 0) {
 		algt->stat_fb_len++;
@@ -398,8 +394,8 @@ static bool sun8i_ss_hash_need_fallback(struct ahash_request *areq)
 int sun8i_ss_hash_digest(struct ahash_request *areq)
 {
 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
-	struct ahash_alg *alg = __crypto_ahash_alg(tfm->base.__crt_alg);
 	struct sun8i_ss_hash_reqctx *rctx = ahash_request_ctx(areq);
+	struct ahash_alg *alg = crypto_ahash_alg(tfm);
 	struct sun8i_ss_alg_template *algt;
 	struct sun8i_ss_dev *ss;
 	struct crypto_engine *engine;
@@ -408,7 +404,7 @@ int sun8i_ss_hash_digest(struct ahash_request *areq)
 	if (sun8i_ss_hash_need_fallback(areq))
 		return sun8i_ss_hash_digest_fb(areq);
 
-	algt = container_of(alg, struct sun8i_ss_alg_template, alg.hash);
+	algt = container_of(alg, struct sun8i_ss_alg_template, alg.hash.base);
 	ss = algt->ss;
 
 	e = sun8i_ss_get_engine_number(ss);
@@ -484,8 +480,8 @@ int sun8i_ss_hash_run(struct crypto_engine *engine, void *breq)
 	struct ahash_request *areq = container_of(breq, struct ahash_request, base);
 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
 	struct sun8i_ss_hash_tfm_ctx *tfmctx = crypto_ahash_ctx(tfm);
-	struct ahash_alg *alg = __crypto_ahash_alg(tfm->base.__crt_alg);
 	struct sun8i_ss_hash_reqctx *rctx = ahash_request_ctx(areq);
+	struct ahash_alg *alg = crypto_ahash_alg(tfm);
 	struct sun8i_ss_alg_template *algt;
 	struct sun8i_ss_dev *ss;
 	struct scatterlist *sg;
@@ -504,10 +500,11 @@ int sun8i_ss_hash_run(struct crypto_engine *engine, void *breq)
 	 */
 	int hmac = 0;
 
-	algt = container_of(alg, struct sun8i_ss_alg_template, alg.hash);
+	algt = container_of(alg, struct sun8i_ss_alg_template, alg.hash.base);
 	ss = algt->ss;
+	j = 0;
 
-	digestsize = algt->alg.hash.halg.digestsize;
+	digestsize = crypto_ahash_digestsize(tfm);
 	if (digestsize == SHA224_DIGEST_SIZE)
 		digestsize = SHA256_DIGEST_SIZE;
 
@@ -540,7 +537,6 @@ int sun8i_ss_hash_run(struct crypto_engine *engine, void *breq)
 		goto err_dma_result;
 	}
 
-	j = 0;
 	len = areq->nbytes;
 	sg = areq->src;
 	i = 0;
@@ -700,7 +696,7 @@ err_dma_result:
 	}
 
 	if (!err)
-		memcpy(areq->result, result, algt->alg.hash.halg.digestsize);
+		memcpy(areq->result, result, crypto_ahash_digestsize(tfm));
 theend:
 	local_bh_disable();
 	crypto_finalize_hash_request(engine, breq, err);