10 files changed, 919 insertions, 249 deletions

diff --git a/arch/s390/crypto/Makefile b/arch/s390/crypto/Makefile
index 1cf81d77c5a..7f0b7cda625 100644
--- a/arch/s390/crypto/Makefile
+++ b/arch/s390/crypto/Makefile
@@ -8,3 +8,4 @@ obj-$(CONFIG_CRYPTO_SHA512_S390) += sha512_s390.o sha_common.o
 obj-$(CONFIG_CRYPTO_DES_S390) += des_s390.o
 obj-$(CONFIG_CRYPTO_AES_S390) += aes_s390.o
 obj-$(CONFIG_S390_PRNG) += prng.o
+obj-$(CONFIG_CRYPTO_GHASH_S390) += ghash_s390.o
diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c
index 58f46734465..a9ce135893f 100644
--- a/arch/s390/crypto/aes_s390.c
+++ b/arch/s390/crypto/aes_s390.c
@@ -31,7 +31,8 @@
 #define AES_KEYLEN_192		2
 #define AES_KEYLEN_256		4
 
-static char keylen_flag = 0;
+static u8 *ctrblk;
+static char keylen_flag;
 
 struct s390_aes_ctx {
 	u8 iv[AES_BLOCK_SIZE];
@@ -45,6 +46,24 @@ struct s390_aes_ctx {
 	} fallback;
 };
 
+struct pcc_param {
+	u8 key[32];
+	u8 tweak[16];
+	u8 block[16];
+	u8 bit[16];
+	u8 xts[16];
+};
+
+struct s390_xts_ctx {
+	u8 key[32];
+	u8 xts_param[16];
+	struct pcc_param pcc;
+	long enc;
+	long dec;
+	int key_len;
+	struct crypto_blkcipher *fallback;
+};
+
 /*
  * Check if the key_len is supported by the HW.
  * Returns 0 if it is, a positive number if it is not and software fallback is
@@ -504,15 +523,337 @@ static struct crypto_alg cbc_aes_alg = {
 	}
 };
 
+static int xts_fallback_setkey(struct crypto_tfm *tfm, const u8 *key,
+				   unsigned int len)
+{
+	struct s390_xts_ctx *xts_ctx = crypto_tfm_ctx(tfm);
+	unsigned int ret;
+
+	xts_ctx->fallback->base.crt_flags &= ~CRYPTO_TFM_REQ_MASK;
+	xts_ctx->fallback->base.crt_flags |= (tfm->crt_flags &
+			CRYPTO_TFM_REQ_MASK);
+
+	ret = crypto_blkcipher_setkey(xts_ctx->fallback, key, len);
+	if (ret) {
+		tfm->crt_flags &= ~CRYPTO_TFM_RES_MASK;
+		tfm->crt_flags |= (xts_ctx->fallback->base.crt_flags &
+				CRYPTO_TFM_RES_MASK);
+	}
+	return ret;
+}
+
+static int xts_fallback_decrypt(struct blkcipher_desc *desc,
+		struct scatterlist *dst, struct scatterlist *src,
+		unsigned int nbytes)
+{
+	struct s390_xts_ctx *xts_ctx = crypto_blkcipher_ctx(desc->tfm);
+	struct crypto_blkcipher *tfm;
+	unsigned int ret;
+
+	tfm = desc->tfm;
+	desc->tfm = xts_ctx->fallback;
+
+	ret = crypto_blkcipher_decrypt_iv(desc, dst, src, nbytes);
+
+	desc->tfm = tfm;
+	return ret;
+}
+
+static int xts_fallback_encrypt(struct blkcipher_desc *desc,
+		struct scatterlist *dst, struct scatterlist *src,
+		unsigned int nbytes)
+{
+	struct s390_xts_ctx *xts_ctx = crypto_blkcipher_ctx(desc->tfm);
+	struct crypto_blkcipher *tfm;
+	unsigned int ret;
+
+	tfm = desc->tfm;
+	desc->tfm = xts_ctx->fallback;
+
+	ret = crypto_blkcipher_encrypt_iv(desc, dst, src, nbytes);
+
+	desc->tfm = tfm;
+	return ret;
+}
+
+static int xts_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
+			   unsigned int key_len)
+{
+	struct s390_xts_ctx *xts_ctx = crypto_tfm_ctx(tfm);
+	u32 *flags = &tfm->crt_flags;
+
+	switch (key_len) {
+	case 32:
+		xts_ctx->enc = KM_XTS_128_ENCRYPT;
+		xts_ctx->dec = KM_XTS_128_DECRYPT;
+		memcpy(xts_ctx->key + 16, in_key, 16);
+		memcpy(xts_ctx->pcc.key + 16, in_key + 16, 16);
+		break;
+	case 48:
+		xts_ctx->enc = 0;
+		xts_ctx->dec = 0;
+		xts_fallback_setkey(tfm, in_key, key_len);
+		break;
+	case 64:
+		xts_ctx->enc = KM_XTS_256_ENCRYPT;
+		xts_ctx->dec = KM_XTS_256_DECRYPT;
+		memcpy(xts_ctx->key, in_key, 32);
+		memcpy(xts_ctx->pcc.key, in_key + 32, 32);
+		break;
+	default:
+		*flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
+		return -EINVAL;
+	}
+	xts_ctx->key_len = key_len;
+	return 0;
+}
+
+static int xts_aes_crypt(struct blkcipher_desc *desc, long func,
+			 struct s390_xts_ctx *xts_ctx,
+			 struct blkcipher_walk *walk)
+{
+	unsigned int offset = (xts_ctx->key_len >> 1) & 0x10;
+	int ret = blkcipher_walk_virt(desc, walk);
+	unsigned int nbytes = walk->nbytes;
+	unsigned int n;
+	u8 *in, *out;
+	void *param;
+
+	if (!nbytes)
+		goto out;
+
+	memset(xts_ctx->pcc.block, 0, sizeof(xts_ctx->pcc.block));
+	memset(xts_ctx->pcc.bit, 0, sizeof(xts_ctx->pcc.bit));
+	memset(xts_ctx->pcc.xts, 0, sizeof(xts_ctx->pcc.xts));
+	memcpy(xts_ctx->pcc.tweak, walk->iv, sizeof(xts_ctx->pcc.tweak));
+	param = xts_ctx->pcc.key + offset;
+	ret = crypt_s390_pcc(func, param);
+	BUG_ON(ret < 0);
+
+	memcpy(xts_ctx->xts_param, xts_ctx->pcc.xts, 16);
+	param = xts_ctx->key + offset;
+	do {
+		/* only use complete blocks */
+		n = nbytes & ~(AES_BLOCK_SIZE - 1);
+		out = walk->dst.virt.addr;
+		in = walk->src.virt.addr;
+
+		ret = crypt_s390_km(func, param, out, in, n);
+		BUG_ON(ret < 0 || ret != n);
+
+		nbytes &= AES_BLOCK_SIZE - 1;
+		ret = blkcipher_walk_done(desc, walk, nbytes);
+	} while ((nbytes = walk->nbytes));
+out:
+	return ret;
+}
+
+static int xts_aes_encrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	struct s390_xts_ctx *xts_ctx = crypto_blkcipher_ctx(desc->tfm);
+	struct blkcipher_walk walk;
+
+	if (unlikely(xts_ctx->key_len == 48))
+		return xts_fallback_encrypt(desc, dst, src, nbytes);
+
+	blkcipher_walk_init(&walk, dst, src, nbytes);
+	return xts_aes_crypt(desc, xts_ctx->enc, xts_ctx, &walk);
+}
+
+static int xts_aes_decrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	struct s390_xts_ctx *xts_ctx = crypto_blkcipher_ctx(desc->tfm);
+	struct blkcipher_walk walk;
+
+	if (unlikely(xts_ctx->key_len == 48))
+		return xts_fallback_decrypt(desc, dst, src, nbytes);
+
+	blkcipher_walk_init(&walk, dst, src, nbytes);
+	return xts_aes_crypt(desc, xts_ctx->dec, xts_ctx, &walk);
+}
+
+static int xts_fallback_init(struct crypto_tfm *tfm)
+{
+	const char *name = tfm->__crt_alg->cra_name;
+	struct s390_xts_ctx *xts_ctx = crypto_tfm_ctx(tfm);
+
+	xts_ctx->fallback = crypto_alloc_blkcipher(name, 0,
+			CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK);
+
+	if (IS_ERR(xts_ctx->fallback)) {
+		pr_err("Allocating XTS fallback algorithm %s failed\n",
+		       name);
+		return PTR_ERR(xts_ctx->fallback);
+	}
+	return 0;
+}
+
+static void xts_fallback_exit(struct crypto_tfm *tfm)
+{
+	struct s390_xts_ctx *xts_ctx = crypto_tfm_ctx(tfm);
+
+	crypto_free_blkcipher(xts_ctx->fallback);
+	xts_ctx->fallback = NULL;
+}
+
+static struct crypto_alg xts_aes_alg = {
+	.cra_name		=	"xts(aes)",
+	.cra_driver_name	=	"xts-aes-s390",
+	.cra_priority		=	CRYPT_S390_COMPOSITE_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER |
+					CRYPTO_ALG_NEED_FALLBACK,
+	.cra_blocksize		=	AES_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct s390_xts_ctx),
+	.cra_type		=	&crypto_blkcipher_type,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(xts_aes_alg.cra_list),
+	.cra_init		=	xts_fallback_init,
+	.cra_exit		=	xts_fallback_exit,
+	.cra_u			=	{
+		.blkcipher = {
+			.min_keysize		=	2 * AES_MIN_KEY_SIZE,
+			.max_keysize		=	2 * AES_MAX_KEY_SIZE,
+			.ivsize			=	AES_BLOCK_SIZE,
+			.setkey			=	xts_aes_set_key,
+			.encrypt		=	xts_aes_encrypt,
+			.decrypt		=	xts_aes_decrypt,
+		}
+	}
+};
+
+static int ctr_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
+			   unsigned int key_len)
+{
+	struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm);
+
+	switch (key_len) {
+	case 16:
+		sctx->enc = KMCTR_AES_128_ENCRYPT;
+		sctx->dec = KMCTR_AES_128_DECRYPT;
+		break;
+	case 24:
+		sctx->enc = KMCTR_AES_192_ENCRYPT;
+		sctx->dec = KMCTR_AES_192_DECRYPT;
+		break;
+	case 32:
+		sctx->enc = KMCTR_AES_256_ENCRYPT;
+		sctx->dec = KMCTR_AES_256_DECRYPT;
+		break;
+	}
+
+	return aes_set_key(tfm, in_key, key_len);
+}
+
+static int ctr_aes_crypt(struct blkcipher_desc *desc, long func,
+			 struct s390_aes_ctx *sctx, struct blkcipher_walk *walk)
+{
+	int ret = blkcipher_walk_virt_block(desc, walk, AES_BLOCK_SIZE);
+	unsigned int i, n, nbytes;
+	u8 buf[AES_BLOCK_SIZE];
+	u8 *out, *in;
+
+	if (!walk->nbytes)
+		return ret;
+
+	memcpy(ctrblk, walk->iv, AES_BLOCK_SIZE);
+	while ((nbytes = walk->nbytes) >= AES_BLOCK_SIZE) {
+		out = walk->dst.virt.addr;
+		in = walk->src.virt.addr;
+		while (nbytes >= AES_BLOCK_SIZE) {
+			/* only use complete blocks, max. PAGE_SIZE */
+			n = (nbytes > PAGE_SIZE) ? PAGE_SIZE :
+						 nbytes & ~(AES_BLOCK_SIZE - 1);
+			for (i = AES_BLOCK_SIZE; i < n; i += AES_BLOCK_SIZE) {
+				memcpy(ctrblk + i, ctrblk + i - AES_BLOCK_SIZE,
+				       AES_BLOCK_SIZE);
+				crypto_inc(ctrblk + i, AES_BLOCK_SIZE);
+			}
+			ret = crypt_s390_kmctr(func, sctx->key, out, in, n, ctrblk);
+			BUG_ON(ret < 0 || ret != n);
+			if (n > AES_BLOCK_SIZE)
+				memcpy(ctrblk, ctrblk + n - AES_BLOCK_SIZE,
+				       AES_BLOCK_SIZE);
+			crypto_inc(ctrblk, AES_BLOCK_SIZE);
+			out += n;
+			in += n;
+			nbytes -= n;
+		}
+		ret = blkcipher_walk_done(desc, walk, nbytes);
+	}
+	/*
+	 * final block may be < AES_BLOCK_SIZE, copy only nbytes
+	 */
+	if (nbytes) {
+		out = walk->dst.virt.addr;
+		in = walk->src.virt.addr;
+		ret = crypt_s390_kmctr(func, sctx->key, buf, in,
+				       AES_BLOCK_SIZE, ctrblk);
+		BUG_ON(ret < 0 || ret != AES_BLOCK_SIZE);
+		memcpy(out, buf, nbytes);
+		crypto_inc(ctrblk, AES_BLOCK_SIZE);
+		ret = blkcipher_walk_done(desc, walk, 0);
+	}
+	memcpy(walk->iv, ctrblk, AES_BLOCK_SIZE);
+	return ret;
+}
+
+static int ctr_aes_encrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+	struct blkcipher_walk walk;
+
+	blkcipher_walk_init(&walk, dst, src, nbytes);
+	return ctr_aes_crypt(desc, sctx->enc, sctx, &walk);
+}
+
+static int ctr_aes_decrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+	struct blkcipher_walk walk;
+
+	blkcipher_walk_init(&walk, dst, src, nbytes);
+	return ctr_aes_crypt(desc, sctx->dec, sctx, &walk);
+}
+
+static struct crypto_alg ctr_aes_alg = {
+	.cra_name		=	"ctr(aes)",
+	.cra_driver_name	=	"ctr-aes-s390",
+	.cra_priority		=	CRYPT_S390_COMPOSITE_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
+	.cra_blocksize		=	1,
+	.cra_ctxsize		=	sizeof(struct s390_aes_ctx),
+	.cra_type		=	&crypto_blkcipher_type,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(ctr_aes_alg.cra_list),
+	.cra_u			=	{
+		.blkcipher = {
+			.min_keysize		=	AES_MIN_KEY_SIZE,
+			.max_keysize		=	AES_MAX_KEY_SIZE,
+			.ivsize			=	AES_BLOCK_SIZE,
+			.setkey			=	ctr_aes_set_key,
+			.encrypt		=	ctr_aes_encrypt,
+			.decrypt		=	ctr_aes_decrypt,
+		}
+	}
+};
+
 static int __init aes_s390_init(void)
 {
 	int ret;
 
-	if (crypt_s390_func_available(KM_AES_128_ENCRYPT))
+	if (crypt_s390_func_available(KM_AES_128_ENCRYPT, CRYPT_S390_MSA))
 		keylen_flag |= AES_KEYLEN_128;
-	if (crypt_s390_func_available(KM_AES_192_ENCRYPT))
+	if (crypt_s390_func_available(KM_AES_192_ENCRYPT, CRYPT_S390_MSA))
 		keylen_flag |= AES_KEYLEN_192;
-	if (crypt_s390_func_available(KM_AES_256_ENCRYPT))
+	if (crypt_s390_func_available(KM_AES_256_ENCRYPT, CRYPT_S390_MSA))
 		keylen_flag |= AES_KEYLEN_256;
 
 	if (!keylen_flag)
@@ -535,9 +876,40 @@ static int __init aes_s390_init(void)
 	if (ret)
 		goto cbc_aes_err;
 
+	if (crypt_s390_func_available(KM_XTS_128_ENCRYPT,
+			CRYPT_S390_MSA | CRYPT_S390_MSA4) &&
+	    crypt_s390_func_available(KM_XTS_256_ENCRYPT,
+			CRYPT_S390_MSA | CRYPT_S390_MSA4)) {
+		ret = crypto_register_alg(&xts_aes_alg);
+		if (ret)
+			goto xts_aes_err;
+	}
+
+	if (crypt_s390_func_available(KMCTR_AES_128_ENCRYPT,
+				CRYPT_S390_MSA | CRYPT_S390_MSA4) &&
+	    crypt_s390_func_available(KMCTR_AES_192_ENCRYPT,
+				CRYPT_S390_MSA | CRYPT_S390_MSA4) &&
+	    crypt_s390_func_available(KMCTR_AES_256_ENCRYPT,
+				CRYPT_S390_MSA | CRYPT_S390_MSA4)) {
+		ctrblk = (u8 *) __get_free_page(GFP_KERNEL);
+		if (!ctrblk) {
+			ret = -ENOMEM;
+			goto ctr_aes_err;
+		}
+		ret = crypto_register_alg(&ctr_aes_alg);
+		if (ret) {
+			free_page((unsigned long) ctrblk);
+			goto ctr_aes_err;
+		}
+	}
+
 out:
 	return ret;
 
+ctr_aes_err:
+	crypto_unregister_alg(&xts_aes_alg);
+xts_aes_err:
+	crypto_unregister_alg(&cbc_aes_alg);
 cbc_aes_err:
 	crypto_unregister_alg(&ecb_aes_alg);
 ecb_aes_err:
@@ -548,6 +920,9 @@ aes_err:
 
 static void __exit aes_s390_fini(void)
 {
+	crypto_unregister_alg(&ctr_aes_alg);
+	free_page((unsigned long) ctrblk);
+	crypto_unregister_alg(&xts_aes_alg);
 	crypto_unregister_alg(&cbc_aes_alg);
 	crypto_unregister_alg(&ecb_aes_alg);
 	crypto_unregister_alg(&aes_alg);
diff --git a/arch/s390/crypto/crypt_s390.h b/arch/s390/crypto/crypt_s390.h
index 7ee9a1b4ad9..49676771bd6 100644
--- a/arch/s390/crypto/crypt_s390.h
+++ b/arch/s390/crypto/crypt_s390.h
@@ -24,13 +24,18 @@
 #define CRYPT_S390_PRIORITY 300
 #define CRYPT_S390_COMPOSITE_PRIORITY 400
 
+#define CRYPT_S390_MSA	0x1
+#define CRYPT_S390_MSA3	0x2
+#define CRYPT_S390_MSA4	0x4
+
 /* s390 cryptographic operations */
 enum crypt_s390_operations {
 	CRYPT_S390_KM   = 0x0100,
 	CRYPT_S390_KMC  = 0x0200,
 	CRYPT_S390_KIMD = 0x0300,
 	CRYPT_S390_KLMD = 0x0400,
-	CRYPT_S390_KMAC = 0x0500
+	CRYPT_S390_KMAC = 0x0500,
+	CRYPT_S390_KMCTR = 0x0600
 };
 
 /*
@@ -51,6 +56,10 @@ enum crypt_s390_km_func {
 	KM_AES_192_DECRYPT  = CRYPT_S390_KM | 0x13 | 0x80,
 	KM_AES_256_ENCRYPT  = CRYPT_S390_KM | 0x14,
 	KM_AES_256_DECRYPT  = CRYPT_S390_KM | 0x14 | 0x80,
+	KM_XTS_128_ENCRYPT  = CRYPT_S390_KM | 0x32,
+	KM_XTS_128_DECRYPT  = CRYPT_S390_KM | 0x32 | 0x80,
+	KM_XTS_256_ENCRYPT  = CRYPT_S390_KM | 0x34,
+	KM_XTS_256_DECRYPT  = CRYPT_S390_KM | 0x34 | 0x80,
 };
 
 /*
@@ -75,6 +84,26 @@ enum crypt_s390_kmc_func {
 };
 
 /*
+ * function codes for KMCTR (CIPHER MESSAGE WITH COUNTER)
+ * instruction
+ */
+enum crypt_s390_kmctr_func {
+	KMCTR_QUERY            = CRYPT_S390_KMCTR | 0x0,
+	KMCTR_DEA_ENCRYPT      = CRYPT_S390_KMCTR | 0x1,
+	KMCTR_DEA_DECRYPT      = CRYPT_S390_KMCTR | 0x1 | 0x80,
+	KMCTR_TDEA_128_ENCRYPT = CRYPT_S390_KMCTR | 0x2,
+	KMCTR_TDEA_128_DECRYPT = CRYPT_S390_KMCTR | 0x2 | 0x80,
+	KMCTR_TDEA_192_ENCRYPT = CRYPT_S390_KMCTR | 0x3,
+	KMCTR_TDEA_192_DECRYPT = CRYPT_S390_KMCTR | 0x3 | 0x80,
+	KMCTR_AES_128_ENCRYPT  = CRYPT_S390_KMCTR | 0x12,
+	KMCTR_AES_128_DECRYPT  = CRYPT_S390_KMCTR | 0x12 | 0x80,
+	KMCTR_AES_192_ENCRYPT  = CRYPT_S390_KMCTR | 0x13,
+	KMCTR_AES_192_DECRYPT  = CRYPT_S390_KMCTR | 0x13 | 0x80,
+	KMCTR_AES_256_ENCRYPT  = CRYPT_S390_KMCTR | 0x14,
+	KMCTR_AES_256_DECRYPT  = CRYPT_S390_KMCTR | 0x14 | 0x80,
+};
+
+/*
  * function codes for KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST)
  * instruction
  */
@@ -83,6 +112,7 @@ enum crypt_s390_kimd_func {
 	KIMD_SHA_1   = CRYPT_S390_KIMD | 1,
 	KIMD_SHA_256 = CRYPT_S390_KIMD | 2,
 	KIMD_SHA_512 = CRYPT_S390_KIMD | 3,
+	KIMD_GHASH   = CRYPT_S390_KIMD | 65,
 };
 
 /*
@@ -284,6 +314,45 @@ static inline int crypt_s390_kmac(long func, void *param,
 }
 
 /**
+ * crypt_s390_kmctr:
+ * @func: the function code passed to KMCTR; see crypt_s390_kmctr_func
+ * @param: address of parameter block; see POP for details on each func
+ * @dest: address of destination memory area
+ * @src: address of source memory area
+ * @src_len: length of src operand in bytes
+ * @counter: address of counter value
+ *
+ * Executes the KMCTR (CIPHER MESSAGE WITH COUNTER) operation of the CPU.
+ *
+ * Returns -1 for failure, 0 for the query func, number of processed
+ * bytes for encryption/decryption funcs
+ */
+static inline int crypt_s390_kmctr(long func, void *param, u8 *dest,
+				 const u8 *src, long src_len, u8 *counter)
+{
+	register long __func asm("0") = func & CRYPT_S390_FUNC_MASK;
+	register void *__param asm("1") = param;
+	register const u8 *__src asm("2") = src;
+	register long __src_len asm("3") = src_len;
+	register u8 *__dest asm("4") = dest;
+	register u8 *__ctr asm("6") = counter;
+	int ret = -1;
+
+	asm volatile(
+		"0:	.insn	rrf,0xb92d0000,%3,%1,%4,0 \n" /* KMCTR opcode */
+		"1:	brc	1,0b \n" /* handle partial completion */
+		"	la	%0,0\n"
+		"2:\n"
+		EX_TABLE(0b,2b) EX_TABLE(1b,2b)
+		: "+d" (ret), "+a" (__src), "+d" (__src_len), "+a" (__dest),
+		  "+a" (__ctr)
+		: "d" (__func), "a" (__param) : "cc", "memory");
+	if (ret < 0)
+		return ret;
+	return (func & CRYPT_S390_FUNC_MASK) ? src_len - __src_len : __src_len;
+}
+
+/**
  * crypt_s390_func_available:
  * @func: the function code of the specific function; 0 if op in general
  *
@@ -291,13 +360,17 @@ static inline int crypt_s390_kmac(long func, void *param,
  *
  * Returns 1 if func available; 0 if func or op in general not available
  */
-static inline int crypt_s390_func_available(int func)
+static inline int crypt_s390_func_available(int func,
+					    unsigned int facility_mask)
 {
 	unsigned char status[16];
 	int ret;
 
-	/* check if CPACF facility (bit 17) is available */
-	if (!test_facility(17))
+	if (facility_mask & CRYPT_S390_MSA && !test_facility(17))
+		return 0;
+	if (facility_mask & CRYPT_S390_MSA3 && !test_facility(76))
+		return 0;
+	if (facility_mask & CRYPT_S390_MSA4 && !test_facility(77))
 		return 0;
 
 	switch (func & CRYPT_S390_OP_MASK) {
@@ -316,6 +389,10 @@ static inline int crypt_s390_func_available(int func)
 	case CRYPT_S390_KMAC:
 		ret = crypt_s390_kmac(KMAC_QUERY, &status, NULL, 0);
 		break;
+	case CRYPT_S390_KMCTR:
+		ret = crypt_s390_kmctr(KMCTR_QUERY, &status, NULL, NULL, 0,
+				       NULL);
+		break;
 	default:
 		return 0;
 	}
@@ -326,4 +403,31 @@ static inline int crypt_s390_func_available(int func)
 	return (status[func >> 3] & (0x80 >> (func & 7))) != 0;
 }
 
+/**
+ * crypt_s390_pcc:
+ * @func: the function code passed to KM; see crypt_s390_km_func
+ * @param: address of parameter block; see POP for details on each func
+ *
+ * Executes the PCC (PERFORM CRYPTOGRAPHIC COMPUTATION) operation of the CPU.
+ *
+ * Returns -1 for failure, 0 for success.
+ */
+static inline int crypt_s390_pcc(long func, void *param)
+{
+	register long __func asm("0") = func & 0x7f; /* encrypt or decrypt */
+	register void *__param asm("1") = param;
+	int ret = -1;
+
+	asm volatile(
+		"0:	.insn	rre,0xb92c0000,0,0 \n" /* PCC opcode */
+		"1:	brc	1,0b \n" /* handle partial completion */
+		"	la	%0,0\n"
+		"2:\n"
+		EX_TABLE(0b,2b) EX_TABLE(1b,2b)
+		: "+d" (ret)
+		: "d" (__func), "a" (__param) : "cc", "memory");
+	return ret;
+}
+
+
 #endif	/* _CRYPTO_ARCH_S390_CRYPT_S390_H */
diff --git a/arch/s390/crypto/des_check_key.c b/arch/s390/crypto/des_check_key.c
deleted file mode 100644
index 5706af26644..00000000000
--- a/arch/s390/crypto/des_check_key.c
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * Cryptographic API.
- *
- * Function for checking keys for the DES and Tripple DES Encryption
- * algorithms.
- *
- * Originally released as descore by Dana L. How <how@isl.stanford.edu>.
- * Modified by Raimar Falke <rf13@inf.tu-dresden.de> for the Linux-Kernel.
- * Derived from Cryptoapi and Nettle implementations, adapted for in-place
- * scatterlist interface.  Changed LGPL to GPL per section 3 of the LGPL.
- *
- * s390 Version:
- *   Copyright IBM Corp. 2003
- *   Author(s): Thomas Spatzier
- *		Jan Glauber (jan.glauber@de.ibm.com)
- *
- * Derived from "crypto/des.c"
- *   Copyright (c) 1992 Dana L. How.
- *   Copyright (c) Raimar Falke <rf13@inf.tu-dresden.de>
- *   Copyright (c) Gisle Sflensminde <gisle@ii.uib.no>
- *   Copyright (C) 2001 Niels Mvller.
- *   Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- */
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/crypto.h>
-#include "crypto_des.h"
-
-#define ROR(d,c,o)	((d) = (d) >> (c) | (d) << (o))
-
-static const u8 parity[] = {
-	8,1,0,8,0,8,8,0,0,8,8,0,8,0,2,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,3,
-	0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,
-	0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,
-	8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,
-	0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,
-	8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,
-	8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,
-	4,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,5,0,8,0,8,8,0,0,8,8,0,8,0,6,8,
-};
-
-/*
- * RFC2451: Weak key checks SHOULD be performed.
- */
-int
-crypto_des_check_key(const u8 *key, unsigned int keylen, u32 *flags)
-{
-	u32 n, w;
-
-	n  = parity[key[0]]; n <<= 4;
-	n |= parity[key[1]]; n <<= 4;
-	n |= parity[key[2]]; n <<= 4;
-	n |= parity[key[3]]; n <<= 4;
-	n |= parity[key[4]]; n <<= 4;
-	n |= parity[key[5]]; n <<= 4;
-	n |= parity[key[6]]; n <<= 4;
-	n |= parity[key[7]];
-	w = 0x88888888L;
-
-	if ((*flags & CRYPTO_TFM_REQ_WEAK_KEY)
-	    && !((n - (w >> 3)) & w)) {  /* 1 in 10^10 keys passes this test */
-		if (n < 0x41415151) {
-			if (n < 0x31312121) {
-				if (n < 0x14141515) {
-					/* 01 01 01 01 01 01 01 01 */
-					if (n == 0x11111111) goto weak;
-					/* 01 1F 01 1F 01 0E 01 0E */
-					if (n == 0x13131212) goto weak;
-				} else {
-					/* 01 E0 01 E0 01 F1 01 F1 */
-					if (n == 0x14141515) goto weak;
-					/* 01 FE 01 FE 01 FE 01 FE */
-					if (n == 0x16161616) goto weak;
-				}
-			} else {
-				if (n < 0x34342525) {
-					/* 1F 01 1F 01 0E 01 0E 01 */
-					if (n == 0x31312121) goto weak;
-					/* 1F 1F 1F 1F 0E 0E 0E 0E (?) */
-					if (n == 0x33332222) goto weak;
-				} else {
-					/* 1F E0 1F E0 0E F1 0E F1 */
-					if (n == 0x34342525) goto weak;
-					/* 1F FE 1F FE 0E FE 0E FE */
-					if (n == 0x36362626) goto weak;
-				}
-			}
-		} else {
-			if (n < 0x61616161) {
-				if (n < 0x44445555) {
-					/* E0 01 E0 01 F1 01 F1 01 */
-					if (n == 0x41415151) goto weak;
-					/* E0 1F E0 1F F1 0E F1 0E */
-					if (n == 0x43435252) goto weak;
-				} else {
-					/* E0 E0 E0 E0 F1 F1 F1 F1 (?) */
-					if (n == 0x44445555) goto weak;
-					/* E0 FE E0 FE F1 FE F1 FE */
-					if (n == 0x46465656) goto weak;
-				}
-			} else {
-				if (n < 0x64646565) {
-					/* FE 01 FE 01 FE 01 FE 01 */
-					if (n == 0x61616161) goto weak;
-					/* FE 1F FE 1F FE 0E FE 0E */
-					if (n == 0x63636262) goto weak;
-				} else {
-					/* FE E0 FE E0 FE F1 FE F1 */
-					if (n == 0x64646565) goto weak;
-					/* FE FE FE FE FE FE FE FE */
-					if (n == 0x66666666) goto weak;
-				}
-			}
-		}
-	}
-	return 0;
-weak:
-	*flags |= CRYPTO_TFM_RES_WEAK_KEY;
-	return -EINVAL;
-}
-
-EXPORT_SYMBOL(crypto_des_check_key);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Key Check function for DES &  DES3 Cipher Algorithms");
diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c
index cc542011839..a52bfd124d8 100644
--- a/arch/s390/crypto/des_s390.c
+++ b/arch/s390/crypto/des_s390.c
@@ -3,7 +3,7 @@
  *
  * s390 implementation of the DES Cipher Algorithm.
  *
- * Copyright IBM Corp. 2003,2007
+ * Copyright IBM Corp. 2003,2011
  * Author(s): Thomas Spatzier
  *	      Jan Glauber (jan.glauber@de.ibm.com)
  *
@@ -22,22 +22,19 @@
 
 #include "crypt_s390.h"
 
-#define DES3_192_KEY_SIZE	(3 * DES_KEY_SIZE)
+#define DES3_KEY_SIZE	(3 * DES_KEY_SIZE)
 
-struct crypt_s390_des_ctx {
-	u8 iv[DES_BLOCK_SIZE];
-	u8 key[DES_KEY_SIZE];
-};
+static u8 *ctrblk;
 
-struct crypt_s390_des3_192_ctx {
+struct s390_des_ctx {
 	u8 iv[DES_BLOCK_SIZE];
-	u8 key[DES3_192_KEY_SIZE];
+	u8 key[DES3_KEY_SIZE];
 };
 
 static int des_setkey(struct crypto_tfm *tfm, const u8 *key,
-		      unsigned int keylen)
+		      unsigned int key_len)
 {
-	struct crypt_s390_des_ctx *dctx = crypto_tfm_ctx(tfm);
+	struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);
 	u32 *flags = &tfm->crt_flags;
 	u32 tmp[DES_EXPKEY_WORDS];
 
@@ -47,22 +44,22 @@ static int des_setkey(struct crypto_tfm *tfm, const u8 *key,
 		return -EINVAL;
 	}
 
-	memcpy(dctx->key, key, keylen);
+	memcpy(ctx->key, key, key_len);
 	return 0;
 }
 
 static void des_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
 {
-	struct crypt_s390_des_ctx *dctx = crypto_tfm_ctx(tfm);
+	struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);
 
-	crypt_s390_km(KM_DEA_ENCRYPT, dctx->key, out, in, DES_BLOCK_SIZE);
+	crypt_s390_km(KM_DEA_ENCRYPT, ctx->key, out, in, DES_BLOCK_SIZE);
 }
 
 static void des_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
 {
-	struct crypt_s390_des_ctx *dctx = crypto_tfm_ctx(tfm);
+	struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);
 
-	crypt_s390_km(KM_DEA_DECRYPT, dctx->key, out, in, DES_BLOCK_SIZE);
+	crypt_s390_km(KM_DEA_DECRYPT, ctx->key, out, in, DES_BLOCK_SIZE);
 }
 
 static struct crypto_alg des_alg = {
@@ -71,7 +68,7 @@ static struct crypto_alg des_alg = {
 	.cra_priority		=	CRYPT_S390_PRIORITY,
 	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize		=	DES_BLOCK_SIZE,
-	.cra_ctxsize		=	sizeof(struct crypt_s390_des_ctx),
+	.cra_ctxsize		=	sizeof(struct s390_des_ctx),
 	.cra_module		=	THIS_MODULE,
 	.cra_list		=	LIST_HEAD_INIT(des_alg.cra_list),
 	.cra_u			=	{
@@ -86,7 +83,7 @@ static struct crypto_alg des_alg = {
 };
 
 static int ecb_desall_crypt(struct blkcipher_desc *desc, long func,
-			    void *param, struct blkcipher_walk *walk)
+			    u8 *key, struct blkcipher_walk *walk)
 {
 	int ret = blkcipher_walk_virt(desc, walk);
 	unsigned int nbytes;
@@ -97,7 +94,7 @@ static int ecb_desall_crypt(struct blkcipher_desc *desc, long func,
 		u8 *out = walk->dst.virt.addr;
 		u8 *in = walk->src.virt.addr;
 
-		ret = crypt_s390_km(func, param, out, in, n);
+		ret = crypt_s390_km(func, key, out, in, n);
 		BUG_ON((ret < 0) || (ret != n));
 
 		nbytes &= DES_BLOCK_SIZE - 1;
@@ -108,7 +105,7 @@ static int ecb_desall_crypt(struct blkcipher_desc *desc, long func,
 }
 
 static int cbc_desall_crypt(struct blkcipher_desc *desc, long func,
-			    void *param, struct blkcipher_walk *walk)
+			    u8 *iv, struct blkcipher_walk *walk)
 {
 	int ret = blkcipher_walk_virt(desc, walk);
 	unsigned int nbytes = walk->nbytes;
@@ -116,20 +113,20 @@ static int cbc_desall_crypt(struct blkcipher_desc *desc, long func,
 	if (!nbytes)
 		goto out;
 
-	memcpy(param, walk->iv, DES_BLOCK_SIZE);
+	memcpy(iv, walk->iv, DES_BLOCK_SIZE);
 	do {
 		/* only use complete blocks */
 		unsigned int n = nbytes & ~(DES_BLOCK_SIZE - 1);
 		u8 *out = walk->dst.virt.addr;
 		u8 *in = walk->src.virt.addr;
 
-		ret = crypt_s390_kmc(func, param, out, in, n);
+		ret = crypt_s390_kmc(func, iv, out, in, n);
 		BUG_ON((ret < 0) || (ret != n));
 
 		nbytes &= DES_BLOCK_SIZE - 1;
 		ret = blkcipher_walk_done(desc, walk, nbytes);
 	} while ((nbytes = walk->nbytes));
-	memcpy(walk->iv, param, DES_BLOCK_SIZE);
+	memcpy(walk->iv, iv, DES_BLOCK_SIZE);
 
 out:
 	return ret;
@@ -139,22 +136,22 @@ static int ecb_des_encrypt(struct blkcipher_desc *desc,
 			   struct scatterlist *dst, struct scatterlist *src,
 			   unsigned int nbytes)
 {
-	struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+	struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
 	struct blkcipher_walk walk;
 
 	blkcipher_walk_init(&walk, dst, src, nbytes);
-	return ecb_desall_crypt(desc, KM_DEA_ENCRYPT, sctx->key, &walk);
+	return ecb_desall_crypt(desc, KM_DEA_ENCRYPT, ctx->key, &walk);
 }
 
 static int ecb_des_decrypt(struct blkcipher_desc *desc,
 			   struct scatterlist *dst, struct scatterlist *src,
 			   unsigned int nbytes)
 {
-	struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+	struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
 	struct blkcipher_walk walk;
 
 	blkcipher_walk_init(&walk, dst, src, nbytes);
-	return ecb_desall_crypt(desc, KM_DEA_DECRYPT, sctx->key, &walk);
+	return ecb_desall_crypt(desc, KM_DEA_DECRYPT, ctx->key, &walk);
 }
 
 static struct crypto_alg ecb_des_alg = {
@@ -163,7 +160,7 @@ static struct crypto_alg ecb_des_alg = {
 	.cra_priority		=	CRYPT_S390_COMPOSITE_PRIORITY,
 	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
 	.cra_blocksize		=	DES_BLOCK_SIZE,
-	.cra_ctxsize		=	sizeof(struct crypt_s390_des_ctx),
+	.cra_ctxsize		=	sizeof(struct s390_des_ctx),
 	.cra_type		=	&crypto_blkcipher_type,
 	.cra_module		=	THIS_MODULE,
 	.cra_list		=	LIST_HEAD_INIT(ecb_des_alg.cra_list),
@@ -182,22 +179,22 @@ static int cbc_des_encrypt(struct blkcipher_desc *desc,
 			   struct scatterlist *dst, struct scatterlist *src,
 			   unsigned int nbytes)
 {
-	struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+	struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
 	struct blkcipher_walk walk;
 
 	blkcipher_walk_init(&walk, dst, src, nbytes);
-	return cbc_desall_crypt(desc, KMC_DEA_ENCRYPT, sctx->iv, &walk);
+	return cbc_desall_crypt(desc, KMC_DEA_ENCRYPT, ctx->iv, &walk);
 }
 
 static int cbc_des_decrypt(struct blkcipher_desc *desc,
 			   struct scatterlist *dst, struct scatterlist *src,
 			   unsigned int nbytes)
 {
-	struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+	struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
 	struct blkcipher_walk walk;
 
 	blkcipher_walk_init(&walk, dst, src, nbytes);
-	return cbc_desall_crypt(desc, KMC_DEA_DECRYPT, sctx->iv, &walk);
+	return cbc_desall_crypt(desc, KMC_DEA_DECRYPT, ctx->iv, &walk);
 }
 
 static struct crypto_alg cbc_des_alg = {
@@ -206,7 +203,7 @@ static struct crypto_alg cbc_des_alg = {
 	.cra_priority		=	CRYPT_S390_COMPOSITE_PRIORITY,
 	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
 	.cra_blocksize		=	DES_BLOCK_SIZE,
-	.cra_ctxsize		=	sizeof(struct crypt_s390_des_ctx),
+	.cra_ctxsize		=	sizeof(struct s390_des_ctx),
 	.cra_type		=	&crypto_blkcipher_type,
 	.cra_module		=	THIS_MODULE,
 	.cra_list		=	LIST_HEAD_INIT(cbc_des_alg.cra_list),
@@ -235,10 +232,10 @@ static struct crypto_alg cbc_des_alg = {
  *   property.
  *
  */
-static int des3_192_setkey(struct crypto_tfm *tfm, const u8 *key,
-			   unsigned int keylen)
+static int des3_setkey(struct crypto_tfm *tfm, const u8 *key,
+		       unsigned int key_len)
 {
-	struct crypt_s390_des3_192_ctx *dctx = crypto_tfm_ctx(tfm);
+	struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);
 	u32 *flags = &tfm->crt_flags;
 
 	if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE) &&
@@ -248,141 +245,276 @@ static int des3_192_setkey(struct crypto_tfm *tfm, const u8 *key,
 		*flags |= CRYPTO_TFM_RES_WEAK_KEY;
 		return -EINVAL;
 	}
-	memcpy(dctx->key, key, keylen);
+	memcpy(ctx->key, key, key_len);
 	return 0;
 }
 
-static void des3_192_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+static void des3_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
 {
-	struct crypt_s390_des3_192_ctx *dctx = crypto_tfm_ctx(tfm);
+	struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);
 
-	crypt_s390_km(KM_TDEA_192_ENCRYPT, dctx->key, dst, (void*)src,
-		      DES_BLOCK_SIZE);
+	crypt_s390_km(KM_TDEA_192_ENCRYPT, ctx->key, dst, src, DES_BLOCK_SIZE);
 }
 
-static void des3_192_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+static void des3_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
 {
-	struct crypt_s390_des3_192_ctx *dctx = crypto_tfm_ctx(tfm);
+	struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);
 
-	crypt_s390_km(KM_TDEA_192_DECRYPT, dctx->key, dst, (void*)src,
-		      DES_BLOCK_SIZE);
+	crypt_s390_km(KM_TDEA_192_DECRYPT, ctx->key, dst, src, DES_BLOCK_SIZE);
 }
 
-static struct crypto_alg des3_192_alg = {
+static struct crypto_alg des3_alg = {
 	.cra_name		=	"des3_ede",
 	.cra_driver_name	=	"des3_ede-s390",
 	.cra_priority		=	CRYPT_S390_PRIORITY,
 	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize		=	DES_BLOCK_SIZE,
-	.cra_ctxsize		=	sizeof(struct crypt_s390_des3_192_ctx),
+	.cra_ctxsize		=	sizeof(struct s390_des_ctx),
 	.cra_module		=	THIS_MODULE,
-	.cra_list		=	LIST_HEAD_INIT(des3_192_alg.cra_list),
+	.cra_list		=	LIST_HEAD_INIT(des3_alg.cra_list),
 	.cra_u			=	{
 		.cipher = {
-			.cia_min_keysize	=	DES3_192_KEY_SIZE,
-			.cia_max_keysize	=	DES3_192_KEY_SIZE,
-			.cia_setkey		=	des3_192_setkey,
-			.cia_encrypt		=	des3_192_encrypt,
-			.cia_decrypt		=	des3_192_decrypt,
+			.cia_min_keysize	=	DES3_KEY_SIZE,
+			.cia_max_keysize	=	DES3_KEY_SIZE,
+			.cia_setkey		=	des3_setkey,
+			.cia_encrypt		=	des3_encrypt,
+			.cia_decrypt		=	des3_decrypt,
 		}
 	}
 };
 
-static int ecb_des3_192_encrypt(struct blkcipher_desc *desc,
-				struct scatterlist *dst,
-				struct scatterlist *src, unsigned int nbytes)
+static int ecb_des3_encrypt(struct blkcipher_desc *desc,
+			    struct scatterlist *dst, struct scatterlist *src,
+			    unsigned int nbytes)
 {
-	struct crypt_s390_des3_192_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+	struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
 	struct blkcipher_walk walk;
 
 	blkcipher_walk_init(&walk, dst, src, nbytes);
-	return ecb_desall_crypt(desc, KM_TDEA_192_ENCRYPT, sctx->key, &walk);
+	return ecb_desall_crypt(desc, KM_TDEA_192_ENCRYPT, ctx->key, &walk);
 }
 
-static int ecb_des3_192_decrypt(struct blkcipher_desc *desc,
-				struct scatterlist *dst,
-				struct scatterlist *src, unsigned int nbytes)
+static int ecb_des3_decrypt(struct blkcipher_desc *desc,
+			    struct scatterlist *dst, struct scatterlist *src,
+			    unsigned int nbytes)
 {
-	struct crypt_s390_des3_192_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+	struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
 	struct blkcipher_walk walk;
 
 	blkcipher_walk_init(&walk, dst, src, nbytes);
-	return ecb_desall_crypt(desc, KM_TDEA_192_DECRYPT, sctx->key, &walk);
+	return ecb_desall_crypt(desc, KM_TDEA_192_DECRYPT, ctx->key, &walk);
 }
 
-static struct crypto_alg ecb_des3_192_alg = {
+static struct crypto_alg ecb_des3_alg = {
 	.cra_name		=	"ecb(des3_ede)",
 	.cra_driver_name	=	"ecb-des3_ede-s390",
 	.cra_priority		=	CRYPT_S390_COMPOSITE_PRIORITY,
 	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
 	.cra_blocksize		=	DES_BLOCK_SIZE,
-	.cra_ctxsize		=	sizeof(struct crypt_s390_des3_192_ctx),
+	.cra_ctxsize		=	sizeof(struct s390_des_ctx),
 	.cra_type		=	&crypto_blkcipher_type,
 	.cra_module		=	THIS_MODULE,
 	.cra_list		=	LIST_HEAD_INIT(
-						ecb_des3_192_alg.cra_list),
+						ecb_des3_alg.cra_list),
 	.cra_u			=	{
 		.blkcipher = {
-			.min_keysize		=	DES3_192_KEY_SIZE,
-			.max_keysize		=	DES3_192_KEY_SIZE,
-			.setkey			=	des3_192_setkey,
-			.encrypt		=	ecb_des3_192_encrypt,
-			.decrypt		=	ecb_des3_192_decrypt,
+			.min_keysize		=	DES3_KEY_SIZE,
+			.max_keysize		=	DES3_KEY_SIZE,
+			.setkey			=	des3_setkey,
+			.encrypt		=	ecb_des3_encrypt,
+			.decrypt		=	ecb_des3_decrypt,
 		}
 	}
 };
 
-static int cbc_des3_192_encrypt(struct blkcipher_desc *desc,
-				struct scatterlist *dst,
-				struct scatterlist *src, unsigned int nbytes)
+static int cbc_des3_encrypt(struct blkcipher_desc *desc,
+			    struct scatterlist *dst, struct scatterlist *src,
+			    unsigned int nbytes)
 {
-	struct crypt_s390_des3_192_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+	struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
 	struct blkcipher_walk walk;
 
 	blkcipher_walk_init(&walk, dst, src, nbytes);
-	return cbc_desall_crypt(desc, KMC_TDEA_192_ENCRYPT, sctx->iv, &walk);
+	return cbc_desall_crypt(desc, KMC_TDEA_192_ENCRYPT, ctx->iv, &walk);
 }
 
-static int cbc_des3_192_decrypt(struct blkcipher_desc *desc,
-				struct scatterlist *dst,
-				struct scatterlist *src, unsigned int nbytes)
+static int cbc_des3_decrypt(struct blkcipher_desc *desc,
+			    struct scatterlist *dst, struct scatterlist *src,
+			    unsigned int nbytes)
 {
-	struct crypt_s390_des3_192_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+	struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
 	struct blkcipher_walk walk;
 
 	blkcipher_walk_init(&walk, dst, src, nbytes);
-	return cbc_desall_crypt(desc, KMC_TDEA_192_DECRYPT, sctx->iv, &walk);
+	return cbc_desall_crypt(desc, KMC_TDEA_192_DECRYPT, ctx->iv, &walk);
 }
 
-static struct crypto_alg cbc_des3_192_alg = {
+static struct crypto_alg cbc_des3_alg = {
 	.cra_name		=	"cbc(des3_ede)",
 	.cra_driver_name	=	"cbc-des3_ede-s390",
 	.cra_priority		=	CRYPT_S390_COMPOSITE_PRIORITY,
 	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
 	.cra_blocksize		=	DES_BLOCK_SIZE,
-	.cra_ctxsize		=	sizeof(struct crypt_s390_des3_192_ctx),
+	.cra_ctxsize		=	sizeof(struct s390_des_ctx),
 	.cra_type		=	&crypto_blkcipher_type,
 	.cra_module		=	THIS_MODULE,
 	.cra_list		=	LIST_HEAD_INIT(
-						cbc_des3_192_alg.cra_list),
+						cbc_des3_alg.cra_list),
 	.cra_u			=	{
 		.blkcipher = {
-			.min_keysize		=	DES3_192_KEY_SIZE,
-			.max_keysize		=	DES3_192_KEY_SIZE,
+			.min_keysize		=	DES3_KEY_SIZE,
+			.max_keysize		=	DES3_KEY_SIZE,
 			.ivsize			=	DES_BLOCK_SIZE,
-			.setkey			=	des3_192_setkey,
-			.encrypt		=	cbc_des3_192_encrypt,
-			.decrypt		=	cbc_des3_192_decrypt,
+			.setkey			=	des3_setkey,
+			.encrypt		=	cbc_des3_encrypt,
+			.decrypt		=	cbc_des3_decrypt,
 		}
 	}
 };
 
-static int des_s390_init(void)
+static int ctr_desall_crypt(struct blkcipher_desc *desc, long func,
+			    struct s390_des_ctx *ctx, struct blkcipher_walk *walk)
+{
+	int ret = blkcipher_walk_virt_block(desc, walk, DES_BLOCK_SIZE);
+	unsigned int i, n, nbytes;
+	u8 buf[DES_BLOCK_SIZE];
+	u8 *out, *in;
+
+	memcpy(ctrblk, walk->iv, DES_BLOCK_SIZE);
+	while ((nbytes = walk->nbytes) >= DES_BLOCK_SIZE) {
+		out = walk->dst.virt.addr;
+		in = walk->src.virt.addr;
+		while (nbytes >= DES_BLOCK_SIZE) {
+			/* align to block size, max. PAGE_SIZE */
+			n = (nbytes > PAGE_SIZE) ? PAGE_SIZE :
+				nbytes & ~(DES_BLOCK_SIZE - 1);
+			for (i = DES_BLOCK_SIZE; i < n; i += DES_BLOCK_SIZE) {
+				memcpy(ctrblk + i, ctrblk + i - DES_BLOCK_SIZE,
+				       DES_BLOCK_SIZE);
+				crypto_inc(ctrblk + i, DES_BLOCK_SIZE);
+			}
+			ret = crypt_s390_kmctr(func, ctx->key, out, in, n, ctrblk);
+			BUG_ON((ret < 0) || (ret != n));
+			if (n > DES_BLOCK_SIZE)
+				memcpy(ctrblk, ctrblk + n - DES_BLOCK_SIZE,
+				       DES_BLOCK_SIZE);
+			crypto_inc(ctrblk, DES_BLOCK_SIZE);
+			out += n;
+			in += n;
+			nbytes -= n;
+		}
+		ret = blkcipher_walk_done(desc, walk, nbytes);
+	}
+
+	/* final block may be < DES_BLOCK_SIZE, copy only nbytes */
+	if (nbytes) {
+		out = walk->dst.virt.addr;
+		in = walk->src.virt.addr;
+		ret = crypt_s390_kmctr(func, ctx->key, buf, in,
+				       DES_BLOCK_SIZE, ctrblk);
+		BUG_ON(ret < 0 || ret != DES_BLOCK_SIZE);
+		memcpy(out, buf, nbytes);
+		crypto_inc(ctrblk, DES_BLOCK_SIZE);
+		ret = blkcipher_walk_done(desc, walk, 0);
+	}
+	memcpy(walk->iv, ctrblk, DES_BLOCK_SIZE);
+	return ret;
+}
+
+static int ctr_des_encrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
+	struct blkcipher_walk walk;
+
+	blkcipher_walk_init(&walk, dst, src, nbytes);
+	return ctr_desall_crypt(desc, KMCTR_DEA_ENCRYPT, ctx, &walk);
+}
+
+static int ctr_des_decrypt(struct blkcipher_desc *desc,
+			   struct scatterlist *dst, struct scatterlist *src,
+			   unsigned int nbytes)
+{
+	struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
+	struct blkcipher_walk walk;
+
+	blkcipher_walk_init(&walk, dst, src, nbytes);
+	return ctr_desall_crypt(desc, KMCTR_DEA_DECRYPT, ctx, &walk);
+}
+
+static struct crypto_alg ctr_des_alg = {
+	.cra_name		=	"ctr(des)",
+	.cra_driver_name	=	"ctr-des-s390",
+	.cra_priority		=	CRYPT_S390_COMPOSITE_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
+	.cra_blocksize		=	1,
+	.cra_ctxsize		=	sizeof(struct s390_des_ctx),
+	.cra_type		=	&crypto_blkcipher_type,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(ctr_des_alg.cra_list),
+	.cra_u			=	{
+		.blkcipher = {
+			.min_keysize		=	DES_KEY_SIZE,
+			.max_keysize		=	DES_KEY_SIZE,
+			.ivsize			=	DES_BLOCK_SIZE,
+			.setkey			=	des_setkey,
+			.encrypt		=	ctr_des_encrypt,
+			.decrypt		=	ctr_des_decrypt,
+		}
+	}
+};
+
+static int ctr_des3_encrypt(struct blkcipher_desc *desc,
+			    struct scatterlist *dst, struct scatterlist *src,
+			    unsigned int nbytes)
+{
+	struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
+	struct blkcipher_walk walk;
+
+	blkcipher_walk_init(&walk, dst, src, nbytes);
+	return ctr_desall_crypt(desc, KMCTR_TDEA_192_ENCRYPT, ctx, &walk);
+}
+
+static int ctr_des3_decrypt(struct blkcipher_desc *desc,
+			    struct scatterlist *dst, struct scatterlist *src,
+			    unsigned int nbytes)
+{
+	struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
+	struct blkcipher_walk walk;
+
+	blkcipher_walk_init(&walk, dst, src, nbytes);
+	return ctr_desall_crypt(desc, KMCTR_TDEA_192_DECRYPT, ctx, &walk);
+}
+
+static struct crypto_alg ctr_des3_alg = {
+	.cra_name		=	"ctr(des3_ede)",
+	.cra_driver_name	=	"ctr-des3_ede-s390",
+	.cra_priority		=	CRYPT_S390_COMPOSITE_PRIORITY,
+	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
+	.cra_blocksize		=	1,
+	.cra_ctxsize		=	sizeof(struct s390_des_ctx),
+	.cra_type		=	&crypto_blkcipher_type,
+	.cra_module		=	THIS_MODULE,
+	.cra_list		=	LIST_HEAD_INIT(ctr_des3_alg.cra_list),
+	.cra_u			=	{
+		.blkcipher = {
+			.min_keysize		=	DES3_KEY_SIZE,
+			.max_keysize		=	DES3_KEY_SIZE,
+			.ivsize			=	DES_BLOCK_SIZE,
+			.setkey			=	des3_setkey,
+			.encrypt		=	ctr_des3_encrypt,
+			.decrypt		=	ctr_des3_decrypt,
+		}
+	}
+};
+
+static int __init des_s390_init(void)
 {
 	int ret;
 
-	if (!crypt_s390_func_available(KM_DEA_ENCRYPT) ||
-	    !crypt_s390_func_available(KM_TDEA_192_ENCRYPT))
+	if (!crypt_s390_func_available(KM_DEA_ENCRYPT, CRYPT_S390_MSA) ||
+	    !crypt_s390_func_available(KM_TDEA_192_ENCRYPT, CRYPT_S390_MSA))
 		return -EOPNOTSUPP;
 
 	ret = crypto_register_alg(&des_alg);
@@ -394,23 +526,46 @@ static int des_s390_init(void)
 	ret = crypto_register_alg(&cbc_des_alg);
 	if (ret)
 		goto cbc_des_err;
-	ret = crypto_register_alg(&des3_192_alg);
+	ret = crypto_register_alg(&des3_alg);
 	if (ret)
-		goto des3_192_err;
-	ret = crypto_register_alg(&ecb_des3_192_alg);
+		goto des3_err;
+	ret = crypto_register_alg(&ecb_des3_alg);
 	if (ret)
-		goto ecb_des3_192_err;
-	ret = crypto_register_alg(&cbc_des3_192_alg);
+		goto ecb_des3_err;
+	ret = crypto_register_alg(&cbc_des3_alg);
 	if (ret)
-		goto cbc_des3_192_err;
+		goto cbc_des3_err;
+
+	if (crypt_s390_func_available(KMCTR_DEA_ENCRYPT,
+			CRYPT_S390_MSA | CRYPT_S390_MSA4) &&
+	    crypt_s390_func_available(KMCTR_TDEA_192_ENCRYPT,
+			CRYPT_S390_MSA | CRYPT_S390_MSA4)) {
+		ret = crypto_register_alg(&ctr_des_alg);
+		if (ret)
+			goto ctr_des_err;
+		ret = crypto_register_alg(&ctr_des3_alg);
+		if (ret)
+			goto ctr_des3_err;
+		ctrblk = (u8 *) __get_free_page(GFP_KERNEL);
+		if (!ctrblk) {
+			ret = -ENOMEM;
+			goto ctr_mem_err;
+		}
+	}
 out:
 	return ret;
 
-cbc_des3_192_err:
-	crypto_unregister_alg(&ecb_des3_192_alg);
-ecb_des3_192_err:
-	crypto_unregister_alg(&des3_192_alg);
-des3_192_err:
+ctr_mem_err:
+	crypto_unregister_alg(&ctr_des3_alg);
+ctr_des3_err:
+	crypto_unregister_alg(&ctr_des_alg);
+ctr_des_err:
+	crypto_unregister_alg(&cbc_des3_alg);
+cbc_des3_err:
+	crypto_unregister_alg(&ecb_des3_alg);
+ecb_des3_err:
+	crypto_unregister_alg(&des3_alg);
+des3_err:
 	crypto_unregister_alg(&cbc_des_alg);
 cbc_des_err:
 	crypto_unregister_alg(&ecb_des_alg);
@@ -422,9 +577,14 @@ des_err:
 
 static void __exit des_s390_exit(void)
 {
-	crypto_unregister_alg(&cbc_des3_192_alg);
-	crypto_unregister_alg(&ecb_des3_192_alg);
-	crypto_unregister_alg(&des3_192_alg);
+	if (ctrblk) {
+		crypto_unregister_alg(&ctr_des_alg);
+		crypto_unregister_alg(&ctr_des3_alg);
+		free_page((unsigned long) ctrblk);
+	}
+	crypto_unregister_alg(&cbc_des3_alg);
+	crypto_unregister_alg(&ecb_des3_alg);
+	crypto_unregister_alg(&des3_alg);
 	crypto_unregister_alg(&cbc_des_alg);
 	crypto_unregister_alg(&ecb_des_alg);
 	crypto_unregister_alg(&des_alg);
diff --git a/arch/s390/crypto/ghash_s390.c b/arch/s390/crypto/ghash_s390.c
new file mode 100644
index 00000000000..b1bd170f24b
--- /dev/null
+++ b/arch/s390/crypto/ghash_s390.c
@@ -0,0 +1,162 @@
+/*
+ * Cryptographic API.
+ *
+ * s390 implementation of the GHASH algorithm for GCM (Galois/Counter Mode).
+ *
+ * Copyright IBM Corp. 2011
+ * Author(s): Gerald Schaefer <gerald.schaefer@de.ibm.com>
+ */
+
+#include <crypto/internal/hash.h>
+#include <linux/module.h>
+
+#include "crypt_s390.h"
+
+#define GHASH_BLOCK_SIZE	16
+#define GHASH_DIGEST_SIZE	16
+
+struct ghash_ctx {
+	u8 icv[16];
+	u8 key[16];
+};
+
+struct ghash_desc_ctx {
+	u8 buffer[GHASH_BLOCK_SIZE];
+	u32 bytes;
+};
+
+static int ghash_init(struct shash_desc *desc)
+{
+	struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);
+
+	memset(dctx, 0, sizeof(*dctx));
+
+	return 0;
+}
+
+static int ghash_setkey(struct crypto_shash *tfm,
+			const u8 *key, unsigned int keylen)
+{
+	struct ghash_ctx *ctx = crypto_shash_ctx(tfm);
+
+	if (keylen != GHASH_BLOCK_SIZE) {
+		crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
+		return -EINVAL;
+	}
+
+	memcpy(ctx->key, key, GHASH_BLOCK_SIZE);
+	memset(ctx->icv, 0, GHASH_BLOCK_SIZE);
+
+	return 0;
+}
+
+static int ghash_update(struct shash_desc *desc,
+			 const u8 *src, unsigned int srclen)
+{
+	struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);
+	struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm);
+	unsigned int n;
+	u8 *buf = dctx->buffer;
+	int ret;
+
+	if (dctx->bytes) {
+		u8 *pos = buf + (GHASH_BLOCK_SIZE - dctx->bytes);
+
+		n = min(srclen, dctx->bytes);
+		dctx->bytes -= n;
+		srclen -= n;
+
+		memcpy(pos, src, n);
+		src += n;
+
+		if (!dctx->bytes) {
+			ret = crypt_s390_kimd(KIMD_GHASH, ctx, buf,
+					      GHASH_BLOCK_SIZE);
+			BUG_ON(ret != GHASH_BLOCK_SIZE);
+		}
+	}
+
+	n = srclen & ~(GHASH_BLOCK_SIZE - 1);
+	if (n) {
+		ret = crypt_s390_kimd(KIMD_GHASH, ctx, src, n);
+		BUG_ON(ret != n);
+		src += n;
+		srclen -= n;
+	}
+
+	if (srclen) {
+		dctx->bytes = GHASH_BLOCK_SIZE - srclen;
+		memcpy(buf, src, srclen);
+	}
+
+	return 0;
+}
+
+static void ghash_flush(struct ghash_ctx *ctx, struct ghash_desc_ctx *dctx)
+{
+	u8 *buf = dctx->buffer;
+	int ret;
+
+	if (dctx->bytes) {
+		u8 *pos = buf + (GHASH_BLOCK_SIZE - dctx->bytes);
+
+		memset(pos, 0, dctx->bytes);
+
+		ret = crypt_s390_kimd(KIMD_GHASH, ctx, buf, GHASH_BLOCK_SIZE);
+		BUG_ON(ret != GHASH_BLOCK_SIZE);
+	}
+
+	dctx->bytes = 0;
+}
+
+static int ghash_final(struct shash_desc *desc, u8 *dst)
+{
+	struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);
+	struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm);
+
+	ghash_flush(ctx, dctx);
+	memcpy(dst, ctx->icv, GHASH_BLOCK_SIZE);
+
+	return 0;
+}
+
+static struct shash_alg ghash_alg = {
+	.digestsize	= GHASH_DIGEST_SIZE,
+	.init		= ghash_init,
+	.update		= ghash_update,
+	.final		= ghash_final,
+	.setkey		= ghash_setkey,
+	.descsize	= sizeof(struct ghash_desc_ctx),
+	.base		= {
+		.cra_name		= "ghash",
+		.cra_driver_name	= "ghash-s390",
+		.cra_priority		= CRYPT_S390_PRIORITY,
+		.cra_flags		= CRYPTO_ALG_TYPE_SHASH,
+		.cra_blocksize		= GHASH_BLOCK_SIZE,
+		.cra_ctxsize		= sizeof(struct ghash_ctx),
+		.cra_module		= THIS_MODULE,
+		.cra_list		= LIST_HEAD_INIT(ghash_alg.base.cra_list),
+	},
+};
+
+static int __init ghash_mod_init(void)
+{
+	if (!crypt_s390_func_available(KIMD_GHASH,
+				       CRYPT_S390_MSA | CRYPT_S390_MSA4))
+		return -EOPNOTSUPP;
+
+	return crypto_register_shash(&ghash_alg);
+}
+
+static void __exit ghash_mod_exit(void)
+{
+	crypto_unregister_shash(&ghash_alg);
+}
+
+module_init(ghash_mod_init);
+module_exit(ghash_mod_exit);
+
+MODULE_ALIAS("ghash");
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("GHASH Message Digest Algorithm, s390 implementation");
diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c
index 8b16c479585..0808fbf0f7d 100644
--- a/arch/s390/crypto/prng.c
+++ b/arch/s390/crypto/prng.c
@@ -166,7 +166,7 @@ static int __init prng_init(void)
 	int ret;
 
 	/* check if the CPU has a PRNG */
-	if (!crypt_s390_func_available(KMC_PRNG))
+	if (!crypt_s390_func_available(KMC_PRNG, CRYPT_S390_MSA))
 		return -EOPNOTSUPP;
 
 	if (prng_chunk_size < 8)
diff --git a/arch/s390/crypto/sha1_s390.c b/arch/s390/crypto/sha1_s390.c
index f6de7826c97..e9868c6e0a0 100644
--- a/arch/s390/crypto/sha1_s390.c
+++ b/arch/s390/crypto/sha1_s390.c
@@ -90,7 +90,7 @@ static struct shash_alg alg = {
 
 static int __init sha1_s390_init(void)
 {
-	if (!crypt_s390_func_available(KIMD_SHA_1))
+	if (!crypt_s390_func_available(KIMD_SHA_1, CRYPT_S390_MSA))
 		return -EOPNOTSUPP;
 	return crypto_register_shash(&alg);
 }
diff --git a/arch/s390/crypto/sha256_s390.c b/arch/s390/crypto/sha256_s390.c
index 61a7db37212..5ed8d64fc2e 100644
--- a/arch/s390/crypto/sha256_s390.c
+++ b/arch/s390/crypto/sha256_s390.c
@@ -86,7 +86,7 @@ static struct shash_alg alg = {
 
 static int sha256_s390_init(void)
 {
-	if (!crypt_s390_func_available(KIMD_SHA_256))
+	if (!crypt_s390_func_available(KIMD_SHA_256, CRYPT_S390_MSA))
 		return -EOPNOTSUPP;
 
 	return crypto_register_shash(&alg);
diff --git a/arch/s390/crypto/sha512_s390.c b/arch/s390/crypto/sha512_s390.c
index 4bf73d0dc52..32a81383b69 100644
--- a/arch/s390/crypto/sha512_s390.c
+++ b/arch/s390/crypto/sha512_s390.c
@@ -132,7 +132,7 @@ static int __init init(void)
 {
 	int ret;
 
-	if (!crypt_s390_func_available(KIMD_SHA_512))
+	if (!crypt_s390_func_available(KIMD_SHA_512, CRYPT_S390_MSA))
 		return -EOPNOTSUPP;
 	if ((ret = crypto_register_shash(&sha512_alg)) < 0)
 		goto out;