1 files changed, 129 insertions, 178 deletions

diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptvf_algs.c b/drivers/crypto/marvell/octeontx2/otx2_cptvf_algs.c
index 30b423605c9c..8d9f394d6b50 100644
--- a/drivers/crypto/marvell/octeontx2/otx2_cptvf_algs.c
+++ b/drivers/crypto/marvell/octeontx2/otx2_cptvf_algs.c
@@ -11,12 +11,12 @@
 #include <crypto/xts.h>
 #include <crypto/gcm.h>
 #include <crypto/scatterwalk.h>
-#include <linux/rtnetlink.h>
 #include <linux/sort.h>
 #include <linux/module.h>
 #include "otx2_cptvf.h"
 #include "otx2_cptvf_algs.h"
 #include "otx2_cpt_reqmgr.h"
+#include "cn10k_cpt.h"
 
 /* Size of salt in AES GCM mode */
 #define AES_GCM_SALT_SIZE 4
@@ -54,6 +54,8 @@ static struct cpt_device_table se_devices = {
 	.count = ATOMIC_INIT(0)
 };
 
+static struct otx2_cpt_sdesc *alloc_sdesc(struct crypto_shash *alg);
+
 static inline int get_se_device(struct pci_dev **pdev, int *cpu_num)
 {
 	int count;
@@ -120,7 +122,7 @@ static void otx2_cpt_aead_callback(int status, void *arg1, void *arg2)
 		otx2_cpt_info_destroy(pdev, inst_info);
 	}
 	if (areq)
-		areq->complete(areq, status);
+		crypto_request_complete(areq, status);
 }
 
 static void output_iv_copyback(struct crypto_async_request *areq)
@@ -170,7 +172,7 @@ static void otx2_cpt_skcipher_callback(int status, void *arg1, void *arg2)
 			pdev = inst_info->pdev;
 			otx2_cpt_info_destroy(pdev, inst_info);
 		}
-		areq->complete(areq, status);
+		crypto_request_complete(areq, status);
 	}
 }
 
@@ -382,7 +384,11 @@ static inline int cpt_enc_dec(struct skcipher_request *req, u32 enc)
 	req_info->req_type = OTX2_CPT_ENC_DEC_REQ;
 	req_info->is_enc = enc;
 	req_info->is_trunc_hmac = false;
-	req_info->ctrl.s.grp = otx2_cpt_get_kcrypto_eng_grp_num(pdev);
+	req_info->ctrl.s.grp = otx2_cpt_get_eng_grp_num(pdev,
+							OTX2_CPT_SE_TYPES);
+
+	req_info->req.cptr = ctx->er_ctx.hw_ctx;
+	req_info->req.cptr_dma = ctx->er_ctx.cptr_dma;
 
 	/*
 	 * We perform an asynchronous send and once
@@ -412,7 +418,7 @@ static int otx2_cpt_skcipher_xts_setkey(struct crypto_skcipher *tfm,
 	const u8 *key1 = key;
 	int ret;
 
-	ret = xts_check_key(crypto_skcipher_tfm(tfm), key, keylen);
+	ret = xts_verify_key(tfm, key, keylen);
 	if (ret)
 		return ret;
 	ctx->key_len = keylen;
@@ -530,6 +536,8 @@ static int otx2_cpt_enc_dec_init(struct crypto_skcipher *stfm)
 	struct otx2_cpt_enc_ctx *ctx = crypto_skcipher_ctx(stfm);
 	struct crypto_tfm *tfm = crypto_skcipher_tfm(stfm);
 	struct crypto_alg *alg = tfm->__crt_alg;
+	struct pci_dev *pdev;
+	int ret, cpu_num;
 
 	memset(ctx, 0, sizeof(*ctx));
 	/*
@@ -541,6 +549,15 @@ static int otx2_cpt_enc_dec_init(struct crypto_skcipher *stfm)
 		stfm, sizeof(struct otx2_cpt_req_ctx) +
 		      sizeof(struct skcipher_request));
 
+	ret = get_se_device(&pdev, &cpu_num);
+	if (ret)
+		return ret;
+
+	ctx->pdev = pdev;
+	ret = cn10k_cpt_hw_ctx_init(pdev, &ctx->er_ctx);
+	if (ret)
+		return ret;
+
 	return cpt_skcipher_fallback_init(ctx, alg);
 }
 
@@ -552,6 +569,7 @@ static void otx2_cpt_skcipher_exit(struct crypto_skcipher *tfm)
 		crypto_free_skcipher(ctx->fbk_cipher);
 		ctx->fbk_cipher = NULL;
 	}
+	cn10k_cpt_hw_ctx_clear(ctx->pdev, &ctx->er_ctx);
 }
 
 static int cpt_aead_fallback_init(struct otx2_cpt_aead_ctx *ctx,
@@ -576,44 +594,62 @@ static int cpt_aead_init(struct crypto_aead *atfm, u8 cipher_type, u8 mac_type)
 	struct otx2_cpt_aead_ctx *ctx = crypto_aead_ctx_dma(atfm);
 	struct crypto_tfm *tfm = crypto_aead_tfm(atfm);
 	struct crypto_alg *alg = tfm->__crt_alg;
+	struct pci_dev *pdev;
+	int ret, cpu_num;
 
 	ctx->cipher_type = cipher_type;
 	ctx->mac_type = mac_type;
 
+	switch (ctx->mac_type) {
+	case OTX2_CPT_SHA1:
+		ctx->hashalg = crypto_alloc_shash("sha1", 0, 0);
+		break;
+
+	case OTX2_CPT_SHA256:
+		ctx->hashalg = crypto_alloc_shash("sha256", 0, 0);
+		break;
+
+	case OTX2_CPT_SHA384:
+		ctx->hashalg = crypto_alloc_shash("sha384", 0, 0);
+		break;
+
+	case OTX2_CPT_SHA512:
+		ctx->hashalg = crypto_alloc_shash("sha512", 0, 0);
+		break;
+	}
+
+	if (IS_ERR(ctx->hashalg))
+		return PTR_ERR(ctx->hashalg);
+
+	if (ctx->hashalg) {
+		ctx->sdesc = alloc_sdesc(ctx->hashalg);
+		if (!ctx->sdesc) {
+			crypto_free_shash(ctx->hashalg);
+			return -ENOMEM;
+		}
+	}
+
 	/*
 	 * When selected cipher is NULL we use HMAC opcode instead of
 	 * FLEXICRYPTO opcode therefore we don't need to use HASH algorithms
 	 * for calculating ipad and opad
 	 */
-	if (ctx->cipher_type != OTX2_CPT_CIPHER_NULL) {
-		switch (ctx->mac_type) {
-		case OTX2_CPT_SHA1:
-			ctx->hashalg = crypto_alloc_shash("sha1", 0,
-							  CRYPTO_ALG_ASYNC);
-			if (IS_ERR(ctx->hashalg))
-				return PTR_ERR(ctx->hashalg);
-			break;
+	if (ctx->cipher_type != OTX2_CPT_CIPHER_NULL && ctx->hashalg) {
+		int ss = crypto_shash_statesize(ctx->hashalg);
 
-		case OTX2_CPT_SHA256:
-			ctx->hashalg = crypto_alloc_shash("sha256", 0,
-							  CRYPTO_ALG_ASYNC);
-			if (IS_ERR(ctx->hashalg))
-				return PTR_ERR(ctx->hashalg);
-			break;
-
-		case OTX2_CPT_SHA384:
-			ctx->hashalg = crypto_alloc_shash("sha384", 0,
-							  CRYPTO_ALG_ASYNC);
-			if (IS_ERR(ctx->hashalg))
-				return PTR_ERR(ctx->hashalg);
-			break;
+		ctx->ipad = kzalloc(ss, GFP_KERNEL);
+		if (!ctx->ipad) {
+			kfree(ctx->sdesc);
+			crypto_free_shash(ctx->hashalg);
+			return -ENOMEM;
+		}
 
-		case OTX2_CPT_SHA512:
-			ctx->hashalg = crypto_alloc_shash("sha512", 0,
-							  CRYPTO_ALG_ASYNC);
-			if (IS_ERR(ctx->hashalg))
-				return PTR_ERR(ctx->hashalg);
-			break;
+		ctx->opad = kzalloc(ss, GFP_KERNEL);
+		if (!ctx->opad) {
+			kfree(ctx->ipad);
+			kfree(ctx->sdesc);
+			crypto_free_shash(ctx->hashalg);
+			return -ENOMEM;
 		}
 	}
 	switch (ctx->cipher_type) {
@@ -632,6 +668,15 @@ static int cpt_aead_init(struct crypto_aead *atfm, u8 cipher_type, u8 mac_type)
 	}
 	crypto_aead_set_reqsize_dma(atfm, sizeof(struct otx2_cpt_req_ctx));
 
+	ret = get_se_device(&pdev, &cpu_num);
+	if (ret)
+		return ret;
+
+	ctx->pdev = pdev;
+	ret = cn10k_cpt_hw_ctx_init(pdev, &ctx->er_ctx);
+	if (ret)
+		return ret;
+
 	return cpt_aead_fallback_init(ctx, alg);
 }
 
@@ -686,14 +731,14 @@ static void otx2_cpt_aead_exit(struct crypto_aead *tfm)
 
 	kfree(ctx->ipad);
 	kfree(ctx->opad);
-	if (ctx->hashalg)
-		crypto_free_shash(ctx->hashalg);
+	crypto_free_shash(ctx->hashalg);
 	kfree(ctx->sdesc);
 
 	if (ctx->fbk_cipher) {
 		crypto_free_aead(ctx->fbk_cipher);
 		ctx->fbk_cipher = NULL;
 	}
+	cn10k_cpt_hw_ctx_clear(ctx->pdev, &ctx->er_ctx);
 }
 
 static int otx2_cpt_aead_gcm_set_authsize(struct crypto_aead *tfm,
@@ -760,7 +805,7 @@ static inline void swap_data64(void *buf, u32 len)
 		cpu_to_be64s(src);
 }
 
-static int copy_pad(u8 mac_type, u8 *out_pad, u8 *in_pad)
+static int swap_pad(u8 mac_type, u8 *pad)
 {
 	struct sha512_state *sha512;
 	struct sha256_state *sha256;
@@ -768,22 +813,19 @@ static int copy_pad(u8 mac_type, u8 *out_pad, u8 *in_pad)
 
 	switch (mac_type) {
 	case OTX2_CPT_SHA1:
-		sha1 = (struct sha1_state *) in_pad;
+		sha1 = (struct sha1_state *)pad;
 		swap_data32(sha1->state, SHA1_DIGEST_SIZE);
-		memcpy(out_pad, &sha1->state, SHA1_DIGEST_SIZE);
 		break;
 
 	case OTX2_CPT_SHA256:
-		sha256 = (struct sha256_state *) in_pad;
+		sha256 = (struct sha256_state *)pad;
 		swap_data32(sha256->state, SHA256_DIGEST_SIZE);
-		memcpy(out_pad, &sha256->state, SHA256_DIGEST_SIZE);
 		break;
 
 	case OTX2_CPT_SHA384:
 	case OTX2_CPT_SHA512:
-		sha512 = (struct sha512_state *) in_pad;
+		sha512 = (struct sha512_state *)pad;
 		swap_data64(sha512->state, SHA512_DIGEST_SIZE);
-		memcpy(out_pad, &sha512->state, SHA512_DIGEST_SIZE);
 		break;
 
 	default:
@@ -793,55 +835,54 @@ static int copy_pad(u8 mac_type, u8 *out_pad, u8 *in_pad)
 	return 0;
 }
 
-static int aead_hmac_init(struct crypto_aead *cipher)
+static int aead_hmac_init(struct crypto_aead *cipher,
+			  struct crypto_authenc_keys *keys)
 {
 	struct otx2_cpt_aead_ctx *ctx = crypto_aead_ctx_dma(cipher);
-	int state_size = crypto_shash_statesize(ctx->hashalg);
 	int ds = crypto_shash_digestsize(ctx->hashalg);
 	int bs = crypto_shash_blocksize(ctx->hashalg);
-	int authkeylen = ctx->auth_key_len;
+	int authkeylen = keys->authkeylen;
 	u8 *ipad = NULL, *opad = NULL;
-	int ret = 0, icount = 0;
+	int icount = 0;
+	int ret;
 
-	ctx->sdesc = alloc_sdesc(ctx->hashalg);
-	if (!ctx->sdesc)
-		return -ENOMEM;
+	if (authkeylen > bs) {
+		ret = crypto_shash_digest(&ctx->sdesc->shash, keys->authkey,
+					  authkeylen, ctx->key);
+		if (ret)
+			goto calc_fail;
 
-	ctx->ipad = kzalloc(bs, GFP_KERNEL);
-	if (!ctx->ipad) {
-		ret = -ENOMEM;
-		goto calc_fail;
-	}
+		authkeylen = ds;
+	} else
+		memcpy(ctx->key, keys->authkey, authkeylen);
 
-	ctx->opad = kzalloc(bs, GFP_KERNEL);
-	if (!ctx->opad) {
-		ret = -ENOMEM;
-		goto calc_fail;
-	}
+	ctx->enc_key_len = keys->enckeylen;
+	ctx->auth_key_len = authkeylen;
 
-	ipad = kzalloc(state_size, GFP_KERNEL);
-	if (!ipad) {
-		ret = -ENOMEM;
-		goto calc_fail;
-	}
+	if (ctx->cipher_type == OTX2_CPT_CIPHER_NULL)
+		return keys->enckeylen ? -EINVAL : 0;
 
-	opad = kzalloc(state_size, GFP_KERNEL);
-	if (!opad) {
-		ret = -ENOMEM;
-		goto calc_fail;
+	switch (keys->enckeylen) {
+	case AES_KEYSIZE_128:
+		ctx->key_type = OTX2_CPT_AES_128_BIT;
+		break;
+	case AES_KEYSIZE_192:
+		ctx->key_type = OTX2_CPT_AES_192_BIT;
+		break;
+	case AES_KEYSIZE_256:
+		ctx->key_type = OTX2_CPT_AES_256_BIT;
+		break;
+	default:
+		/* Invalid key length */
+		return -EINVAL;
 	}
 
-	if (authkeylen > bs) {
-		ret = crypto_shash_digest(&ctx->sdesc->shash, ctx->key,
-					  authkeylen, ipad);
-		if (ret)
-			goto calc_fail;
+	memcpy(ctx->key + authkeylen, keys->enckey, keys->enckeylen);
 
-		authkeylen = ds;
-	} else {
-		memcpy(ipad, ctx->key, authkeylen);
-	}
+	ipad = ctx->ipad;
+	opad = ctx->opad;
 
+	memcpy(ipad, ctx->key, authkeylen);
 	memset(ipad + authkeylen, 0, bs - authkeylen);
 	memcpy(opad, ipad, bs);
 
@@ -859,7 +900,7 @@ static int aead_hmac_init(struct crypto_aead *cipher)
 	crypto_shash_init(&ctx->sdesc->shash);
 	crypto_shash_update(&ctx->sdesc->shash, ipad, bs);
 	crypto_shash_export(&ctx->sdesc->shash, ipad);
-	ret = copy_pad(ctx->mac_type, ctx->ipad, ipad);
+	ret = swap_pad(ctx->mac_type, ipad);
 	if (ret)
 		goto calc_fail;
 
@@ -867,25 +908,9 @@ static int aead_hmac_init(struct crypto_aead *cipher)
 	crypto_shash_init(&ctx->sdesc->shash);
 	crypto_shash_update(&ctx->sdesc->shash, opad, bs);
 	crypto_shash_export(&ctx->sdesc->shash, opad);
-	ret = copy_pad(ctx->mac_type, ctx->opad, opad);
-	if (ret)
-		goto calc_fail;
-
-	kfree(ipad);
-	kfree(opad);
-
-	return 0;
+	ret = swap_pad(ctx->mac_type, opad);
 
 calc_fail:
-	kfree(ctx->ipad);
-	ctx->ipad = NULL;
-	kfree(ctx->opad);
-	ctx->opad = NULL;
-	kfree(ipad);
-	kfree(opad);
-	kfree(ctx->sdesc);
-	ctx->sdesc = NULL;
-
 	return ret;
 }
 
@@ -893,87 +918,17 @@ static int otx2_cpt_aead_cbc_aes_sha_setkey(struct crypto_aead *cipher,
 					    const unsigned char *key,
 					    unsigned int keylen)
 {
-	struct otx2_cpt_aead_ctx *ctx = crypto_aead_ctx_dma(cipher);
-	struct crypto_authenc_key_param *param;
-	int enckeylen = 0, authkeylen = 0;
-	struct rtattr *rta = (void *)key;
+	struct crypto_authenc_keys authenc_keys;
 
-	if (!RTA_OK(rta, keylen))
-		return -EINVAL;
-
-	if (rta->rta_type != CRYPTO_AUTHENC_KEYA_PARAM)
-		return -EINVAL;
-
-	if (RTA_PAYLOAD(rta) < sizeof(*param))
-		return -EINVAL;
-
-	param = RTA_DATA(rta);
-	enckeylen = be32_to_cpu(param->enckeylen);
-	key += RTA_ALIGN(rta->rta_len);
-	keylen -= RTA_ALIGN(rta->rta_len);
-	if (keylen < enckeylen)
-		return -EINVAL;
-
-	if (keylen > OTX2_CPT_MAX_KEY_SIZE)
-		return -EINVAL;
-
-	authkeylen = keylen - enckeylen;
-	memcpy(ctx->key, key, keylen);
-
-	switch (enckeylen) {
-	case AES_KEYSIZE_128:
-		ctx->key_type = OTX2_CPT_AES_128_BIT;
-		break;
-	case AES_KEYSIZE_192:
-		ctx->key_type = OTX2_CPT_AES_192_BIT;
-		break;
-	case AES_KEYSIZE_256:
-		ctx->key_type = OTX2_CPT_AES_256_BIT;
-		break;
-	default:
-		/* Invalid key length */
-		return -EINVAL;
-	}
-
-	ctx->enc_key_len = enckeylen;
-	ctx->auth_key_len = authkeylen;
-
-	return aead_hmac_init(cipher);
+	return crypto_authenc_extractkeys(&authenc_keys, key, keylen) ?:
+	       aead_hmac_init(cipher, &authenc_keys);
 }
 
 static int otx2_cpt_aead_ecb_null_sha_setkey(struct crypto_aead *cipher,
 					     const unsigned char *key,
 					     unsigned int keylen)
 {
-	struct otx2_cpt_aead_ctx *ctx = crypto_aead_ctx_dma(cipher);
-	struct crypto_authenc_key_param *param;
-	struct rtattr *rta = (void *)key;
-	int enckeylen = 0;
-
-	if (!RTA_OK(rta, keylen))
-		return -EINVAL;
-
-	if (rta->rta_type != CRYPTO_AUTHENC_KEYA_PARAM)
-		return -EINVAL;
-
-	if (RTA_PAYLOAD(rta) < sizeof(*param))
-		return -EINVAL;
-
-	param = RTA_DATA(rta);
-	enckeylen = be32_to_cpu(param->enckeylen);
-	key += RTA_ALIGN(rta->rta_len);
-	keylen -= RTA_ALIGN(rta->rta_len);
-	if (enckeylen != 0)
-		return -EINVAL;
-
-	if (keylen > OTX2_CPT_MAX_KEY_SIZE)
-		return -EINVAL;
-
-	memcpy(ctx->key, key, keylen);
-	ctx->enc_key_len = enckeylen;
-	ctx->auth_key_len = keylen;
-
-	return 0;
+	return otx2_cpt_aead_cbc_aes_sha_setkey(cipher, key, keylen);
 }
 
 static int otx2_cpt_aead_gcm_aes_setkey(struct crypto_aead *cipher,
@@ -1299,6 +1254,9 @@ static int cpt_aead_enc_dec(struct aead_request *req, u8 reg_type, u8 enc)
 	req_info->is_enc = enc;
 	req_info->is_trunc_hmac = false;
 
+	req_info->req.cptr = ctx->er_ctx.hw_ctx;
+	req_info->req.cptr_dma = ctx->er_ctx.cptr_dma;
+
 	switch (reg_type) {
 	case OTX2_CPT_AEAD_ENC_DEC_REQ:
 		status = create_aead_input_list(req, enc);
@@ -1331,7 +1289,8 @@ static int cpt_aead_enc_dec(struct aead_request *req, u8 reg_type, u8 enc)
 	if (status)
 		return status;
 
-	req_info->ctrl.s.grp = otx2_cpt_get_kcrypto_eng_grp_num(pdev);
+	req_info->ctrl.s.grp = otx2_cpt_get_eng_grp_num(pdev,
+							OTX2_CPT_SE_TYPES);
 
 	/*
 	 * We perform an asynchronous send and once
@@ -1671,14 +1630,6 @@ static int compare_func(const void *lptr, const void *rptr)
 	return 0;
 }
 
-static void swap_func(void *lptr, void *rptr, int size)
-{
-	struct cpt_device_desc *ldesc = lptr;
-	struct cpt_device_desc *rdesc = rptr;
-
-	swap(*ldesc, *rdesc);
-}
-
 int otx2_cpt_crypto_init(struct pci_dev *pdev, struct module *mod,
 			 int num_queues, int num_devices)
 {
@@ -1708,7 +1659,7 @@ int otx2_cpt_crypto_init(struct pci_dev *pdev, struct module *mod,
 		is_crypto_registered = true;
 	}
 	sort(se_devices.desc, count, sizeof(struct cpt_device_desc),
-	     compare_func, swap_func);
+	     compare_func, NULL);
 
 unlock:
 	mutex_unlock(&mutex);