arch/x86/crypto/camellia_aesni_avx2_glue.c - kernel/msm-4.9 - Gitiles

 /*
  * Glue Code for x86_64/AVX2/AES-NI assembler optimized version of Camellia
  *
  * Copyright © 2013 Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
  *
  * 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/module.h>
 #include <linux/types.h>
 #include <linux/crypto.h>
 #include <linux/err.h>
 #include <crypto/ablk_helper.h>
 #include <crypto/algapi.h>
 #include <crypto/ctr.h>
 #include <crypto/lrw.h>
 #include <crypto/xts.h>
 #include <asm/xcr.h>
 #include <asm/xsave.h>
 #include <asm/crypto/camellia.h>
 #include <asm/crypto/glue_helper.h>

 #define CAMELLIA_AESNI_PARALLEL_BLOCKS 16
 #define CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS 32

 /* 32-way AVX2/AES-NI parallel cipher functions */
 asmlinkage void camellia_ecb_enc_32way(struct camellia_ctx *ctx, u8 *dst,
 				       const u8 *src);
 asmlinkage void camellia_ecb_dec_32way(struct camellia_ctx *ctx, u8 *dst,
 				       const u8 *src);

 asmlinkage void camellia_cbc_dec_32way(struct camellia_ctx *ctx, u8 *dst,
 				       const u8 *src);
 asmlinkage void camellia_ctr_32way(struct camellia_ctx *ctx, u8 *dst,
 				   const u8 *src, le128 *iv);

 asmlinkage void camellia_xts_enc_32way(struct camellia_ctx *ctx, u8 *dst,
 				       const u8 *src, le128 *iv);
 asmlinkage void camellia_xts_dec_32way(struct camellia_ctx *ctx, u8 *dst,
 				       const u8 *src, le128 *iv);

 static const struct common_glue_ctx camellia_enc = {
 	.num_funcs = 4,
 	.fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS,

 	.funcs = { {
 		.num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS,
 		.fn_u = { .ecb = GLUE_FUNC_CAST(camellia_ecb_enc_32way) }
 	}, {
 		.num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS,
 		.fn_u = { .ecb = GLUE_FUNC_CAST(camellia_ecb_enc_16way) }
 	}, {
 		.num_blocks = 2,
 		.fn_u = { .ecb = GLUE_FUNC_CAST(camellia_enc_blk_2way) }
 	}, {
 		.num_blocks = 1,
 		.fn_u = { .ecb = GLUE_FUNC_CAST(camellia_enc_blk) }
 	} }
 };

 static const struct common_glue_ctx camellia_ctr = {
 	.num_funcs = 4,
 	.fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS,

 	.funcs = { {
 		.num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS,
 		.fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_ctr_32way) }
 	}, {
 		.num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS,
 		.fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_ctr_16way) }
 	}, {
 		.num_blocks = 2,
 		.fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_crypt_ctr_2way) }
 	}, {
 		.num_blocks = 1,
 		.fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_crypt_ctr) }
 	} }
 };

 static const struct common_glue_ctx camellia_enc_xts = {
 	.num_funcs = 3,
 	.fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS,

 	.funcs = { {
 		.num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS,
 		.fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_enc_32way) }
 	}, {
 		.num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS,
 		.fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_enc_16way) }
 	}, {
 		.num_blocks = 1,
 		.fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_enc) }
 	} }
 };

 static const struct common_glue_ctx camellia_dec = {
 	.num_funcs = 4,
 	.fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS,

 	.funcs = { {
 		.num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS,
 		.fn_u = { .ecb = GLUE_FUNC_CAST(camellia_ecb_dec_32way) }
 	}, {
 		.num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS,
 		.fn_u = { .ecb = GLUE_FUNC_CAST(camellia_ecb_dec_16way) }
 	}, {
 		.num_blocks = 2,
 		.fn_u = { .ecb = GLUE_FUNC_CAST(camellia_dec_blk_2way) }
 	}, {
 		.num_blocks = 1,
 		.fn_u = { .ecb = GLUE_FUNC_CAST(camellia_dec_blk) }
 	} }
 };

 static const struct common_glue_ctx camellia_dec_cbc = {
 	.num_funcs = 4,
 	.fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS,

 	.funcs = { {
 		.num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS,
 		.fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_cbc_dec_32way) }
 	}, {
 		.num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS,
 		.fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_cbc_dec_16way) }
 	}, {
 		.num_blocks = 2,
 		.fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_decrypt_cbc_2way) }
 	}, {
 		.num_blocks = 1,
 		.fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_dec_blk) }
 	} }
 };

 static const struct common_glue_ctx camellia_dec_xts = {
 	.num_funcs = 3,
 	.fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS,

 	.funcs = { {
 		.num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS,
 		.fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_dec_32way) }
 	}, {
 		.num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS,
 		.fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_dec_16way) }
 	}, {
 		.num_blocks = 1,
 		.fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_dec) }
 	} }
 };

 static int ecb_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
 		       struct scatterlist *src, unsigned int nbytes)
 {
 	return glue_ecb_crypt_128bit(&camellia_enc, desc, dst, src, nbytes);
 }

 static int ecb_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
 		       struct scatterlist *src, unsigned int nbytes)
 {
 	return glue_ecb_crypt_128bit(&camellia_dec, desc, dst, src, nbytes);
 }

 static int cbc_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
 		       struct scatterlist *src, unsigned int nbytes)
 {
 	return glue_cbc_encrypt_128bit(GLUE_FUNC_CAST(camellia_enc_blk), desc,
 				       dst, src, nbytes);
 }

 static int cbc_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
 		       struct scatterlist *src, unsigned int nbytes)
 {
 	return glue_cbc_decrypt_128bit(&camellia_dec_cbc, desc, dst, src,
 				       nbytes);
 }

 static int ctr_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
 		     struct scatterlist *src, unsigned int nbytes)
 {
 	return glue_ctr_crypt_128bit(&camellia_ctr, desc, dst, src, nbytes);
 }

 static inline bool camellia_fpu_begin(bool fpu_enabled, unsigned int nbytes)
 {
 	return glue_fpu_begin(CAMELLIA_BLOCK_SIZE,
 			      CAMELLIA_AESNI_PARALLEL_BLOCKS, NULL, fpu_enabled,
 			      nbytes);
 }

 static inline void camellia_fpu_end(bool fpu_enabled)
 {
 	glue_fpu_end(fpu_enabled);
 }

 static int camellia_setkey(struct crypto_tfm *tfm, const u8 *in_key,
 			   unsigned int key_len)
 {
 	return __camellia_setkey(crypto_tfm_ctx(tfm), in_key, key_len,
 				 &tfm->crt_flags);
 }

 struct crypt_priv {
 	struct camellia_ctx *ctx;
 	bool fpu_enabled;
 };

 static void encrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 {
 	const unsigned int bsize = CAMELLIA_BLOCK_SIZE;
 	struct crypt_priv *ctx = priv;
 	int i;

 	ctx->fpu_enabled = camellia_fpu_begin(ctx->fpu_enabled, nbytes);

 	if (nbytes >= CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS * bsize) {
 		camellia_ecb_enc_32way(ctx->ctx, srcdst, srcdst);
 		srcdst += bsize * CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS;
 		nbytes -= bsize * CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS;
 	}

 	if (nbytes >= CAMELLIA_AESNI_PARALLEL_BLOCKS * bsize) {
 		camellia_ecb_enc_16way(ctx->ctx, srcdst, srcdst);
 		srcdst += bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS;
 		nbytes -= bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS;
 	}

 	while (nbytes >= CAMELLIA_PARALLEL_BLOCKS * bsize) {
 		camellia_enc_blk_2way(ctx->ctx, srcdst, srcdst);
 		srcdst += bsize * CAMELLIA_PARALLEL_BLOCKS;
 		nbytes -= bsize * CAMELLIA_PARALLEL_BLOCKS;
 	}

 	for (i = 0; i < nbytes / bsize; i++, srcdst += bsize)
 		camellia_enc_blk(ctx->ctx, srcdst, srcdst);
 }

 static void decrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 {
 	const unsigned int bsize = CAMELLIA_BLOCK_SIZE;
 	struct crypt_priv *ctx = priv;
 	int i;

 	ctx->fpu_enabled = camellia_fpu_begin(ctx->fpu_enabled, nbytes);

 	if (nbytes >= CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS * bsize) {
 		camellia_ecb_dec_32way(ctx->ctx, srcdst, srcdst);
 		srcdst += bsize * CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS;
 		nbytes -= bsize * CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS;
 	}

 	if (nbytes >= CAMELLIA_AESNI_PARALLEL_BLOCKS * bsize) {
 		camellia_ecb_dec_16way(ctx->ctx, srcdst, srcdst);
 		srcdst += bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS;
 		nbytes -= bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS;
 	}

 	while (nbytes >= CAMELLIA_PARALLEL_BLOCKS * bsize) {
 		camellia_dec_blk_2way(ctx->ctx, srcdst, srcdst);
 		srcdst += bsize * CAMELLIA_PARALLEL_BLOCKS;
 		nbytes -= bsize * CAMELLIA_PARALLEL_BLOCKS;
 	}

 	for (i = 0; i < nbytes / bsize; i++, srcdst += bsize)
 		camellia_dec_blk(ctx->ctx, srcdst, srcdst);
 }

 static int lrw_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
 		       struct scatterlist *src, unsigned int nbytes)
 {
 	struct camellia_lrw_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
 	be128 buf[CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS];
 	struct crypt_priv crypt_ctx = {
 		.ctx = &ctx->camellia_ctx,
 		.fpu_enabled = false,
 	};
 	struct lrw_crypt_req req = {
 		.tbuf = buf,
 		.tbuflen = sizeof(buf),

 		.table_ctx = &ctx->lrw_table,
 		.crypt_ctx = &crypt_ctx,
 		.crypt_fn = encrypt_callback,
 	};
 	int ret;

 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
 	ret = lrw_crypt(desc, dst, src, nbytes, &req);
 	camellia_fpu_end(crypt_ctx.fpu_enabled);

 	return ret;
 }

 static int lrw_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
 		       struct scatterlist *src, unsigned int nbytes)
 {
 	struct camellia_lrw_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
 	be128 buf[CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS];
 	struct crypt_priv crypt_ctx = {
 		.ctx = &ctx->camellia_ctx,
 		.fpu_enabled = false,
 	};
 	struct lrw_crypt_req req = {
 		.tbuf = buf,
 		.tbuflen = sizeof(buf),

 		.table_ctx = &ctx->lrw_table,
 		.crypt_ctx = &crypt_ctx,
 		.crypt_fn = decrypt_callback,
 	};
 	int ret;

 	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
 	ret = lrw_crypt(desc, dst, src, nbytes, &req);
 	camellia_fpu_end(crypt_ctx.fpu_enabled);

 	return ret;
 }

 static int xts_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
 		       struct scatterlist *src, unsigned int nbytes)
 {
 	struct camellia_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);

 	return glue_xts_crypt_128bit(&camellia_enc_xts, desc, dst, src, nbytes,
 				     XTS_TWEAK_CAST(camellia_enc_blk),
 				     &ctx->tweak_ctx, &ctx->crypt_ctx);
 }

 static int xts_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
 		       struct scatterlist *src, unsigned int nbytes)
 {
 	struct camellia_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);

 	return glue_xts_crypt_128bit(&camellia_dec_xts, desc, dst, src, nbytes,
 				     XTS_TWEAK_CAST(camellia_enc_blk),
 				     &ctx->tweak_ctx, &ctx->crypt_ctx);
 }

 static struct crypto_alg cmll_algs[10] = { {
 	.cra_name		= "__ecb-camellia-aesni-avx2",
 	.cra_driver_name	= "__driver-ecb-camellia-aesni-avx2",
 	.cra_priority		= 0,
 	.cra_flags		= CRYPTO_ALG_TYPE_BLKCIPHER,
 	.cra_blocksize		= CAMELLIA_BLOCK_SIZE,
 	.cra_ctxsize		= sizeof(struct camellia_ctx),
 	.cra_alignmask		= 0,
 	.cra_type		= &crypto_blkcipher_type,
 	.cra_module		= THIS_MODULE,
 	.cra_u = {
 		.blkcipher = {
 			.min_keysize	= CAMELLIA_MIN_KEY_SIZE,
 			.max_keysize	= CAMELLIA_MAX_KEY_SIZE,
 			.setkey		= camellia_setkey,
 			.encrypt	= ecb_encrypt,
 			.decrypt	= ecb_decrypt,
 		},
 	},
 }, {
 	.cra_name		= "__cbc-camellia-aesni-avx2",
 	.cra_driver_name	= "__driver-cbc-camellia-aesni-avx2",
 	.cra_priority		= 0,
 	.cra_flags		= CRYPTO_ALG_TYPE_BLKCIPHER,
 	.cra_blocksize		= CAMELLIA_BLOCK_SIZE,
 	.cra_ctxsize		= sizeof(struct camellia_ctx),
 	.cra_alignmask		= 0,
 	.cra_type		= &crypto_blkcipher_type,
 	.cra_module		= THIS_MODULE,
 	.cra_u = {
 		.blkcipher = {
 			.min_keysize	= CAMELLIA_MIN_KEY_SIZE,
 			.max_keysize	= CAMELLIA_MAX_KEY_SIZE,
 			.setkey		= camellia_setkey,
 			.encrypt	= cbc_encrypt,
 			.decrypt	= cbc_decrypt,
 		},
 	},
 }, {
 	.cra_name		= "__ctr-camellia-aesni-avx2",
 	.cra_driver_name	= "__driver-ctr-camellia-aesni-avx2",
 	.cra_priority		= 0,
 	.cra_flags		= CRYPTO_ALG_TYPE_BLKCIPHER,
 	.cra_blocksize		= 1,
 	.cra_ctxsize		= sizeof(struct camellia_ctx),
 	.cra_alignmask		= 0,
 	.cra_type		= &crypto_blkcipher_type,
 	.cra_module		= THIS_MODULE,
 	.cra_u = {
 		.blkcipher = {
 			.min_keysize	= CAMELLIA_MIN_KEY_SIZE,
 			.max_keysize	= CAMELLIA_MAX_KEY_SIZE,
 			.ivsize		= CAMELLIA_BLOCK_SIZE,
 			.setkey		= camellia_setkey,
 			.encrypt	= ctr_crypt,
 			.decrypt	= ctr_crypt,
 		},
 	},
 }, {
 	.cra_name		= "__lrw-camellia-aesni-avx2",
 	.cra_driver_name	= "__driver-lrw-camellia-aesni-avx2",
 	.cra_priority		= 0,
 	.cra_flags		= CRYPTO_ALG_TYPE_BLKCIPHER,
 	.cra_blocksize		= CAMELLIA_BLOCK_SIZE,
 	.cra_ctxsize		= sizeof(struct camellia_lrw_ctx),
 	.cra_alignmask		= 0,
 	.cra_type		= &crypto_blkcipher_type,
 	.cra_module		= THIS_MODULE,
 	.cra_exit		= lrw_camellia_exit_tfm,
 	.cra_u = {
 		.blkcipher = {
 			.min_keysize	= CAMELLIA_MIN_KEY_SIZE +
 					  CAMELLIA_BLOCK_SIZE,
 			.max_keysize	= CAMELLIA_MAX_KEY_SIZE +
 					  CAMELLIA_BLOCK_SIZE,
 			.ivsize		= CAMELLIA_BLOCK_SIZE,
 			.setkey		= lrw_camellia_setkey,
 			.encrypt	= lrw_encrypt,
 			.decrypt	= lrw_decrypt,
 		},
 	},
 }, {
 	.cra_name		= "__xts-camellia-aesni-avx2",
 	.cra_driver_name	= "__driver-xts-camellia-aesni-avx2",
 	.cra_priority		= 0,
 	.cra_flags		= CRYPTO_ALG_TYPE_BLKCIPHER,
 	.cra_blocksize		= CAMELLIA_BLOCK_SIZE,
 	.cra_ctxsize		= sizeof(struct camellia_xts_ctx),
 	.cra_alignmask		= 0,
 	.cra_type		= &crypto_blkcipher_type,
 	.cra_module		= THIS_MODULE,
 	.cra_u = {
 		.blkcipher = {
 			.min_keysize	= CAMELLIA_MIN_KEY_SIZE * 2,
 			.max_keysize	= CAMELLIA_MAX_KEY_SIZE * 2,
 			.ivsize		= CAMELLIA_BLOCK_SIZE,
 			.setkey		= xts_camellia_setkey,
 			.encrypt	= xts_encrypt,
 			.decrypt	= xts_decrypt,
 		},
 	},
 }, {
 	.cra_name		= "ecb(camellia)",
 	.cra_driver_name	= "ecb-camellia-aesni-avx2",
 	.cra_priority		= 500,
 	.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
 	.cra_blocksize		= CAMELLIA_BLOCK_SIZE,
 	.cra_ctxsize		= sizeof(struct async_helper_ctx),
 	.cra_alignmask		= 0,
 	.cra_type		= &crypto_ablkcipher_type,
 	.cra_module		= THIS_MODULE,
 	.cra_init		= ablk_init,
 	.cra_exit		= ablk_exit,
 	.cra_u = {
 		.ablkcipher = {
 			.min_keysize	= CAMELLIA_MIN_KEY_SIZE,
 			.max_keysize	= CAMELLIA_MAX_KEY_SIZE,
 			.setkey		= ablk_set_key,
 			.encrypt	= ablk_encrypt,
 			.decrypt	= ablk_decrypt,
 		},
 	},
 }, {
 	.cra_name		= "cbc(camellia)",
 	.cra_driver_name	= "cbc-camellia-aesni-avx2",
 	.cra_priority		= 500,
 	.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
 	.cra_blocksize		= CAMELLIA_BLOCK_SIZE,
 	.cra_ctxsize		= sizeof(struct async_helper_ctx),
 	.cra_alignmask		= 0,
 	.cra_type		= &crypto_ablkcipher_type,
 	.cra_module		= THIS_MODULE,
 	.cra_init		= ablk_init,
 	.cra_exit		= ablk_exit,
 	.cra_u = {
 		.ablkcipher = {
 			.min_keysize	= CAMELLIA_MIN_KEY_SIZE,
 			.max_keysize	= CAMELLIA_MAX_KEY_SIZE,
 			.ivsize		= CAMELLIA_BLOCK_SIZE,
 			.setkey		= ablk_set_key,
 			.encrypt	= __ablk_encrypt,
 			.decrypt	= ablk_decrypt,
 		},
 	},
 }, {
 	.cra_name		= "ctr(camellia)",
 	.cra_driver_name	= "ctr-camellia-aesni-avx2",
 	.cra_priority		= 500,
 	.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
 	.cra_blocksize		= 1,
 	.cra_ctxsize		= sizeof(struct async_helper_ctx),
 	.cra_alignmask		= 0,
 	.cra_type		= &crypto_ablkcipher_type,
 	.cra_module		= THIS_MODULE,
 	.cra_init		= ablk_init,
 	.cra_exit		= ablk_exit,
 	.cra_u = {
 		.ablkcipher = {
 			.min_keysize	= CAMELLIA_MIN_KEY_SIZE,
 			.max_keysize	= CAMELLIA_MAX_KEY_SIZE,
 			.ivsize		= CAMELLIA_BLOCK_SIZE,
 			.setkey		= ablk_set_key,
 			.encrypt	= ablk_encrypt,
 			.decrypt	= ablk_encrypt,
 			.geniv		= "chainiv",
 		},
 	},
 }, {
 	.cra_name		= "lrw(camellia)",
 	.cra_driver_name	= "lrw-camellia-aesni-avx2",
 	.cra_priority		= 500,
 	.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
 	.cra_blocksize		= CAMELLIA_BLOCK_SIZE,
 	.cra_ctxsize		= sizeof(struct async_helper_ctx),
 	.cra_alignmask		= 0,
 	.cra_type		= &crypto_ablkcipher_type,
 	.cra_module		= THIS_MODULE,
 	.cra_init		= ablk_init,
 	.cra_exit		= ablk_exit,
 	.cra_u = {
 		.ablkcipher = {
 			.min_keysize	= CAMELLIA_MIN_KEY_SIZE +
 					  CAMELLIA_BLOCK_SIZE,
 			.max_keysize	= CAMELLIA_MAX_KEY_SIZE +
 					  CAMELLIA_BLOCK_SIZE,
 			.ivsize		= CAMELLIA_BLOCK_SIZE,
 			.setkey		= ablk_set_key,
 			.encrypt	= ablk_encrypt,
 			.decrypt	= ablk_decrypt,
 		},
 	},
 }, {
 	.cra_name		= "xts(camellia)",
 	.cra_driver_name	= "xts-camellia-aesni-avx2",
 	.cra_priority		= 500,
 	.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
 	.cra_blocksize		= CAMELLIA_BLOCK_SIZE,
 	.cra_ctxsize		= sizeof(struct async_helper_ctx),
 	.cra_alignmask		= 0,
 	.cra_type		= &crypto_ablkcipher_type,
 	.cra_module		= THIS_MODULE,
 	.cra_init		= ablk_init,
 	.cra_exit		= ablk_exit,
 	.cra_u = {
 		.ablkcipher = {
 			.min_keysize	= CAMELLIA_MIN_KEY_SIZE * 2,
 			.max_keysize	= CAMELLIA_MAX_KEY_SIZE * 2,
 			.ivsize		= CAMELLIA_BLOCK_SIZE,
 			.setkey		= ablk_set_key,
 			.encrypt	= ablk_encrypt,
 			.decrypt	= ablk_decrypt,
 		},
 	},
 } };

 static int __init camellia_aesni_init(void)
 {
 	u64 xcr0;

 	if (!cpu_has_avx2 || !cpu_has_avx || !cpu_has_aes || !cpu_has_osxsave) {
 		pr_info("AVX2 or AES-NI instructions are not detected.\n");
 		return -ENODEV;
 	}

 	xcr0 = xgetbv(XCR_XFEATURE_ENABLED_MASK);
 	if ((xcr0 & (XSTATE_SSE | XSTATE_YMM)) != (XSTATE_SSE | XSTATE_YMM)) {
 		pr_info("AVX2 detected but unusable.\n");
 		return -ENODEV;
 	}

 	return crypto_register_algs(cmll_algs, ARRAY_SIZE(cmll_algs));
 }

 static void __exit camellia_aesni_fini(void)
 {
 	crypto_unregister_algs(cmll_algs, ARRAY_SIZE(cmll_algs));
 }

 module_init(camellia_aesni_init);
 module_exit(camellia_aesni_fini);

 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Camellia Cipher Algorithm, AES-NI/AVX2 optimized");
 MODULE_ALIAS_CRYPTO("camellia");
 MODULE_ALIAS_CRYPTO("camellia-asm");
	/*
	* Glue Code for x86_64/AVX2/AES-NI assembler optimized version of Camellia
	*
	* Copyright © 2013 Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
	*
	* 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/module.h>
	#include <linux/types.h>
	#include <linux/crypto.h>
	#include <linux/err.h>
	#include <crypto/ablk_helper.h>
	#include <crypto/algapi.h>
	#include <crypto/ctr.h>
	#include <crypto/lrw.h>
	#include <crypto/xts.h>
	#include <asm/xcr.h>
	#include <asm/xsave.h>
	#include <asm/crypto/camellia.h>
	#include <asm/crypto/glue_helper.h>

	#define CAMELLIA_AESNI_PARALLEL_BLOCKS 16
	#define CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS 32

	/* 32-way AVX2/AES-NI parallel cipher functions */
	asmlinkage void camellia_ecb_enc_32way(struct camellia_ctx ctx, u8 dst,
	const u8 *src);
	asmlinkage void camellia_ecb_dec_32way(struct camellia_ctx ctx, u8 dst,
	const u8 *src);

	asmlinkage void camellia_cbc_dec_32way(struct camellia_ctx ctx, u8 dst,
	const u8 *src);
	asmlinkage void camellia_ctr_32way(struct camellia_ctx ctx, u8 dst,
	const u8 src, le128 iv);

	asmlinkage void camellia_xts_enc_32way(struct camellia_ctx ctx, u8 dst,
	const u8 src, le128 iv);
	asmlinkage void camellia_xts_dec_32way(struct camellia_ctx ctx, u8 dst,
	const u8 src, le128 iv);

	static const struct common_glue_ctx camellia_enc = {
	.num_funcs = 4,
	.fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS,

	.funcs = { {
	.num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS,
	.fn_u = { .ecb = GLUE_FUNC_CAST(camellia_ecb_enc_32way) }
	}, {
	.num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS,
	.fn_u = { .ecb = GLUE_FUNC_CAST(camellia_ecb_enc_16way) }
	}, {
	.num_blocks = 2,
	.fn_u = { .ecb = GLUE_FUNC_CAST(camellia_enc_blk_2way) }
	}, {
	.num_blocks = 1,
	.fn_u = { .ecb = GLUE_FUNC_CAST(camellia_enc_blk) }
	} }
	};

	static const struct common_glue_ctx camellia_ctr = {
	.num_funcs = 4,
	.fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS,

	.funcs = { {
	.num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS,
	.fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_ctr_32way) }
	}, {
	.num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS,
	.fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_ctr_16way) }
	}, {
	.num_blocks = 2,
	.fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_crypt_ctr_2way) }
	}, {
	.num_blocks = 1,
	.fn_u = { .ctr = GLUE_CTR_FUNC_CAST(camellia_crypt_ctr) }
	} }
	};

	static const struct common_glue_ctx camellia_enc_xts = {
	.num_funcs = 3,
	.fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS,

	.funcs = { {
	.num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS,
	.fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_enc_32way) }
	}, {
	.num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS,
	.fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_enc_16way) }
	}, {
	.num_blocks = 1,
	.fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_enc) }
	} }
	};

	static const struct common_glue_ctx camellia_dec = {
	.num_funcs = 4,
	.fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS,

	.funcs = { {
	.num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS,
	.fn_u = { .ecb = GLUE_FUNC_CAST(camellia_ecb_dec_32way) }
	}, {
	.num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS,
	.fn_u = { .ecb = GLUE_FUNC_CAST(camellia_ecb_dec_16way) }
	}, {
	.num_blocks = 2,
	.fn_u = { .ecb = GLUE_FUNC_CAST(camellia_dec_blk_2way) }
	}, {
	.num_blocks = 1,
	.fn_u = { .ecb = GLUE_FUNC_CAST(camellia_dec_blk) }
	} }
	};

	static const struct common_glue_ctx camellia_dec_cbc = {
	.num_funcs = 4,
	.fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS,

	.funcs = { {
	.num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS,
	.fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_cbc_dec_32way) }
	}, {
	.num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS,
	.fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_cbc_dec_16way) }
	}, {
	.num_blocks = 2,
	.fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_decrypt_cbc_2way) }
	}, {
	.num_blocks = 1,
	.fn_u = { .cbc = GLUE_CBC_FUNC_CAST(camellia_dec_blk) }
	} }
	};

	static const struct common_glue_ctx camellia_dec_xts = {
	.num_funcs = 3,
	.fpu_blocks_limit = CAMELLIA_AESNI_PARALLEL_BLOCKS,

	.funcs = { {
	.num_blocks = CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS,
	.fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_dec_32way) }
	}, {
	.num_blocks = CAMELLIA_AESNI_PARALLEL_BLOCKS,
	.fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_dec_16way) }
	}, {
	.num_blocks = 1,
	.fn_u = { .xts = GLUE_XTS_FUNC_CAST(camellia_xts_dec) }
	} }
	};

	static int ecb_encrypt(struct blkcipher_desc desc, struct scatterlist dst,
	struct scatterlist *src, unsigned int nbytes)
	{
	return glue_ecb_crypt_128bit(&camellia_enc, desc, dst, src, nbytes);
	}

	static int ecb_decrypt(struct blkcipher_desc desc, struct scatterlist dst,
	struct scatterlist *src, unsigned int nbytes)
	{
	return glue_ecb_crypt_128bit(&camellia_dec, desc, dst, src, nbytes);
	}

	static int cbc_encrypt(struct blkcipher_desc desc, struct scatterlist dst,
	struct scatterlist *src, unsigned int nbytes)
	{
	return glue_cbc_encrypt_128bit(GLUE_FUNC_CAST(camellia_enc_blk), desc,
	dst, src, nbytes);
	}

	static int cbc_decrypt(struct blkcipher_desc desc, struct scatterlist dst,
	struct scatterlist *src, unsigned int nbytes)
	{
	return glue_cbc_decrypt_128bit(&camellia_dec_cbc, desc, dst, src,
	nbytes);
	}

	static int ctr_crypt(struct blkcipher_desc desc, struct scatterlist dst,
	struct scatterlist *src, unsigned int nbytes)
	{
	return glue_ctr_crypt_128bit(&camellia_ctr, desc, dst, src, nbytes);
	}

	static inline bool camellia_fpu_begin(bool fpu_enabled, unsigned int nbytes)
	{
	return glue_fpu_begin(CAMELLIA_BLOCK_SIZE,
	CAMELLIA_AESNI_PARALLEL_BLOCKS, NULL, fpu_enabled,
	nbytes);
	}

	static inline void camellia_fpu_end(bool fpu_enabled)
	{
	glue_fpu_end(fpu_enabled);
	}

	static int camellia_setkey(struct crypto_tfm tfm, const u8 in_key,
	unsigned int key_len)
	{
	return __camellia_setkey(crypto_tfm_ctx(tfm), in_key, key_len,
	&tfm->crt_flags);
	}

	struct crypt_priv {
	struct camellia_ctx *ctx;
	bool fpu_enabled;
	};

	static void encrypt_callback(void priv, u8 srcdst, unsigned int nbytes)
	{
	const unsigned int bsize = CAMELLIA_BLOCK_SIZE;
	struct crypt_priv *ctx = priv;
	int i;

	ctx->fpu_enabled = camellia_fpu_begin(ctx->fpu_enabled, nbytes);

	if (nbytes >= CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS * bsize) {
	camellia_ecb_enc_32way(ctx->ctx, srcdst, srcdst);
	srcdst += bsize * CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS;
	nbytes -= bsize * CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS;
	}

	if (nbytes >= CAMELLIA_AESNI_PARALLEL_BLOCKS * bsize) {
	camellia_ecb_enc_16way(ctx->ctx, srcdst, srcdst);
	srcdst += bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS;
	nbytes -= bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS;
	}

	while (nbytes >= CAMELLIA_PARALLEL_BLOCKS * bsize) {
	camellia_enc_blk_2way(ctx->ctx, srcdst, srcdst);
	srcdst += bsize * CAMELLIA_PARALLEL_BLOCKS;
	nbytes -= bsize * CAMELLIA_PARALLEL_BLOCKS;
	}

	for (i = 0; i < nbytes / bsize; i++, srcdst += bsize)
	camellia_enc_blk(ctx->ctx, srcdst, srcdst);
	}

	static void decrypt_callback(void priv, u8 srcdst, unsigned int nbytes)
	{
	const unsigned int bsize = CAMELLIA_BLOCK_SIZE;
	struct crypt_priv *ctx = priv;
	int i;

	ctx->fpu_enabled = camellia_fpu_begin(ctx->fpu_enabled, nbytes);

	if (nbytes >= CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS * bsize) {
	camellia_ecb_dec_32way(ctx->ctx, srcdst, srcdst);
	srcdst += bsize * CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS;
	nbytes -= bsize * CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS;
	}

	if (nbytes >= CAMELLIA_AESNI_PARALLEL_BLOCKS * bsize) {
	camellia_ecb_dec_16way(ctx->ctx, srcdst, srcdst);
	srcdst += bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS;
	nbytes -= bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS;
	}

	while (nbytes >= CAMELLIA_PARALLEL_BLOCKS * bsize) {
	camellia_dec_blk_2way(ctx->ctx, srcdst, srcdst);
	srcdst += bsize * CAMELLIA_PARALLEL_BLOCKS;
	nbytes -= bsize * CAMELLIA_PARALLEL_BLOCKS;
	}

	for (i = 0; i < nbytes / bsize; i++, srcdst += bsize)
	camellia_dec_blk(ctx->ctx, srcdst, srcdst);
	}

	static int lrw_encrypt(struct blkcipher_desc desc, struct scatterlist dst,
	struct scatterlist *src, unsigned int nbytes)
	{
	struct camellia_lrw_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
	be128 buf[CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS];
	struct crypt_priv crypt_ctx = {
	.ctx = &ctx->camellia_ctx,
	.fpu_enabled = false,
	};
	struct lrw_crypt_req req = {
	.tbuf = buf,
	.tbuflen = sizeof(buf),

	.table_ctx = &ctx->lrw_table,
	.crypt_ctx = &crypt_ctx,
	.crypt_fn = encrypt_callback,
	};
	int ret;

	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
	ret = lrw_crypt(desc, dst, src, nbytes, &req);
	camellia_fpu_end(crypt_ctx.fpu_enabled);

	return ret;
	}

	static int lrw_decrypt(struct blkcipher_desc desc, struct scatterlist dst,
	struct scatterlist *src, unsigned int nbytes)
	{
	struct camellia_lrw_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
	be128 buf[CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS];
	struct crypt_priv crypt_ctx = {
	.ctx = &ctx->camellia_ctx,
	.fpu_enabled = false,
	};
	struct lrw_crypt_req req = {
	.tbuf = buf,
	.tbuflen = sizeof(buf),

	.table_ctx = &ctx->lrw_table,
	.crypt_ctx = &crypt_ctx,
	.crypt_fn = decrypt_callback,
	};
	int ret;

	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
	ret = lrw_crypt(desc, dst, src, nbytes, &req);
	camellia_fpu_end(crypt_ctx.fpu_enabled);

	return ret;
	}

	static int xts_encrypt(struct blkcipher_desc desc, struct scatterlist dst,
	struct scatterlist *src, unsigned int nbytes)
	{
	struct camellia_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);

	return glue_xts_crypt_128bit(&camellia_enc_xts, desc, dst, src, nbytes,
	XTS_TWEAK_CAST(camellia_enc_blk),
	&ctx->tweak_ctx, &ctx->crypt_ctx);
	}

	static int xts_decrypt(struct blkcipher_desc desc, struct scatterlist dst,
	struct scatterlist *src, unsigned int nbytes)
	{
	struct camellia_xts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);

	return glue_xts_crypt_128bit(&camellia_dec_xts, desc, dst, src, nbytes,
	XTS_TWEAK_CAST(camellia_enc_blk),
	&ctx->tweak_ctx, &ctx->crypt_ctx);
	}

	static struct crypto_alg cmll_algs[10] = { {
	.cra_name = "__ecb-camellia-aesni-avx2",
	.cra_driver_name = "__driver-ecb-camellia-aesni-avx2",
	.cra_priority = 0,
	.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
	.cra_blocksize = CAMELLIA_BLOCK_SIZE,
	.cra_ctxsize = sizeof(struct camellia_ctx),
	.cra_alignmask = 0,
	.cra_type = &crypto_blkcipher_type,
	.cra_module = THIS_MODULE,
	.cra_u = {
	.blkcipher = {
	.min_keysize = CAMELLIA_MIN_KEY_SIZE,
	.max_keysize = CAMELLIA_MAX_KEY_SIZE,
	.setkey = camellia_setkey,
	.encrypt = ecb_encrypt,
	.decrypt = ecb_decrypt,
	},
	},
	}, {
	.cra_name = "__cbc-camellia-aesni-avx2",
	.cra_driver_name = "__driver-cbc-camellia-aesni-avx2",
	.cra_priority = 0,
	.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
	.cra_blocksize = CAMELLIA_BLOCK_SIZE,
	.cra_ctxsize = sizeof(struct camellia_ctx),
	.cra_alignmask = 0,
	.cra_type = &crypto_blkcipher_type,
	.cra_module = THIS_MODULE,
	.cra_u = {
	.blkcipher = {
	.min_keysize = CAMELLIA_MIN_KEY_SIZE,
	.max_keysize = CAMELLIA_MAX_KEY_SIZE,
	.setkey = camellia_setkey,
	.encrypt = cbc_encrypt,
	.decrypt = cbc_decrypt,
	},
	},
	}, {
	.cra_name = "__ctr-camellia-aesni-avx2",
	.cra_driver_name = "__driver-ctr-camellia-aesni-avx2",
	.cra_priority = 0,
	.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
	.cra_blocksize = 1,
	.cra_ctxsize = sizeof(struct camellia_ctx),
	.cra_alignmask = 0,
	.cra_type = &crypto_blkcipher_type,
	.cra_module = THIS_MODULE,
	.cra_u = {
	.blkcipher = {
	.min_keysize = CAMELLIA_MIN_KEY_SIZE,
	.max_keysize = CAMELLIA_MAX_KEY_SIZE,
	.ivsize = CAMELLIA_BLOCK_SIZE,
	.setkey = camellia_setkey,
	.encrypt = ctr_crypt,
	.decrypt = ctr_crypt,
	},
	},
	}, {
	.cra_name = "__lrw-camellia-aesni-avx2",
	.cra_driver_name = "__driver-lrw-camellia-aesni-avx2",
	.cra_priority = 0,
	.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
	.cra_blocksize = CAMELLIA_BLOCK_SIZE,
	.cra_ctxsize = sizeof(struct camellia_lrw_ctx),
	.cra_alignmask = 0,
	.cra_type = &crypto_blkcipher_type,
	.cra_module = THIS_MODULE,
	.cra_exit = lrw_camellia_exit_tfm,
	.cra_u = {
	.blkcipher = {
	.min_keysize = CAMELLIA_MIN_KEY_SIZE +
	CAMELLIA_BLOCK_SIZE,
	.max_keysize = CAMELLIA_MAX_KEY_SIZE +
	CAMELLIA_BLOCK_SIZE,
	.ivsize = CAMELLIA_BLOCK_SIZE,
	.setkey = lrw_camellia_setkey,
	.encrypt = lrw_encrypt,
	.decrypt = lrw_decrypt,
	},
	},
	}, {
	.cra_name = "__xts-camellia-aesni-avx2",
	.cra_driver_name = "__driver-xts-camellia-aesni-avx2",
	.cra_priority = 0,
	.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
	.cra_blocksize = CAMELLIA_BLOCK_SIZE,
	.cra_ctxsize = sizeof(struct camellia_xts_ctx),
	.cra_alignmask = 0,
	.cra_type = &crypto_blkcipher_type,
	.cra_module = THIS_MODULE,
	.cra_u = {
	.blkcipher = {
	.min_keysize = CAMELLIA_MIN_KEY_SIZE * 2,
	.max_keysize = CAMELLIA_MAX_KEY_SIZE * 2,
	.ivsize = CAMELLIA_BLOCK_SIZE,
	.setkey = xts_camellia_setkey,
	.encrypt = xts_encrypt,
	.decrypt = xts_decrypt,
	},
	},
	}, {
	.cra_name = "ecb(camellia)",
	.cra_driver_name = "ecb-camellia-aesni-avx2",
	.cra_priority = 500,
	.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER \| CRYPTO_ALG_ASYNC,
	.cra_blocksize = CAMELLIA_BLOCK_SIZE,
	.cra_ctxsize = sizeof(struct async_helper_ctx),
	.cra_alignmask = 0,
	.cra_type = &crypto_ablkcipher_type,
	.cra_module = THIS_MODULE,
	.cra_init = ablk_init,
	.cra_exit = ablk_exit,
	.cra_u = {
	.ablkcipher = {
	.min_keysize = CAMELLIA_MIN_KEY_SIZE,
	.max_keysize = CAMELLIA_MAX_KEY_SIZE,
	.setkey = ablk_set_key,
	.encrypt = ablk_encrypt,
	.decrypt = ablk_decrypt,
	},
	},
	}, {
	.cra_name = "cbc(camellia)",
	.cra_driver_name = "cbc-camellia-aesni-avx2",
	.cra_priority = 500,
	.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER \| CRYPTO_ALG_ASYNC,
	.cra_blocksize = CAMELLIA_BLOCK_SIZE,
	.cra_ctxsize = sizeof(struct async_helper_ctx),
	.cra_alignmask = 0,
	.cra_type = &crypto_ablkcipher_type,
	.cra_module = THIS_MODULE,
	.cra_init = ablk_init,
	.cra_exit = ablk_exit,
	.cra_u = {
	.ablkcipher = {
	.min_keysize = CAMELLIA_MIN_KEY_SIZE,
	.max_keysize = CAMELLIA_MAX_KEY_SIZE,
	.ivsize = CAMELLIA_BLOCK_SIZE,
	.setkey = ablk_set_key,
	.encrypt = __ablk_encrypt,
	.decrypt = ablk_decrypt,
	},
	},
	}, {
	.cra_name = "ctr(camellia)",
	.cra_driver_name = "ctr-camellia-aesni-avx2",
	.cra_priority = 500,
	.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER \| CRYPTO_ALG_ASYNC,
	.cra_blocksize = 1,
	.cra_ctxsize = sizeof(struct async_helper_ctx),
	.cra_alignmask = 0,
	.cra_type = &crypto_ablkcipher_type,
	.cra_module = THIS_MODULE,
	.cra_init = ablk_init,
	.cra_exit = ablk_exit,
	.cra_u = {
	.ablkcipher = {
	.min_keysize = CAMELLIA_MIN_KEY_SIZE,
	.max_keysize = CAMELLIA_MAX_KEY_SIZE,
	.ivsize = CAMELLIA_BLOCK_SIZE,
	.setkey = ablk_set_key,
	.encrypt = ablk_encrypt,
	.decrypt = ablk_encrypt,
	.geniv = "chainiv",
	},
	},
	}, {
	.cra_name = "lrw(camellia)",
	.cra_driver_name = "lrw-camellia-aesni-avx2",
	.cra_priority = 500,
	.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER \| CRYPTO_ALG_ASYNC,
	.cra_blocksize = CAMELLIA_BLOCK_SIZE,
	.cra_ctxsize = sizeof(struct async_helper_ctx),
	.cra_alignmask = 0,
	.cra_type = &crypto_ablkcipher_type,
	.cra_module = THIS_MODULE,
	.cra_init = ablk_init,
	.cra_exit = ablk_exit,
	.cra_u = {
	.ablkcipher = {
	.min_keysize = CAMELLIA_MIN_KEY_SIZE +
	CAMELLIA_BLOCK_SIZE,
	.max_keysize = CAMELLIA_MAX_KEY_SIZE +
	CAMELLIA_BLOCK_SIZE,
	.ivsize = CAMELLIA_BLOCK_SIZE,
	.setkey = ablk_set_key,
	.encrypt = ablk_encrypt,
	.decrypt = ablk_decrypt,
	},
	},
	}, {
	.cra_name = "xts(camellia)",
	.cra_driver_name = "xts-camellia-aesni-avx2",
	.cra_priority = 500,
	.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER \| CRYPTO_ALG_ASYNC,
	.cra_blocksize = CAMELLIA_BLOCK_SIZE,
	.cra_ctxsize = sizeof(struct async_helper_ctx),
	.cra_alignmask = 0,
	.cra_type = &crypto_ablkcipher_type,
	.cra_module = THIS_MODULE,
	.cra_init = ablk_init,
	.cra_exit = ablk_exit,
	.cra_u = {
	.ablkcipher = {
	.min_keysize = CAMELLIA_MIN_KEY_SIZE * 2,
	.max_keysize = CAMELLIA_MAX_KEY_SIZE * 2,
	.ivsize = CAMELLIA_BLOCK_SIZE,
	.setkey = ablk_set_key,
	.encrypt = ablk_encrypt,
	.decrypt = ablk_decrypt,
	},
	},
	} };

	static int __init camellia_aesni_init(void)
	{
	u64 xcr0;

	if (!cpu_has_avx2 \|\| !cpu_has_avx \|\| !cpu_has_aes \|\| !cpu_has_osxsave) {
	pr_info("AVX2 or AES-NI instructions are not detected.\n");
	return -ENODEV;
	}

	xcr0 = xgetbv(XCR_XFEATURE_ENABLED_MASK);
	if ((xcr0 & (XSTATE_SSE \| XSTATE_YMM)) != (XSTATE_SSE \| XSTATE_YMM)) {
	pr_info("AVX2 detected but unusable.\n");
	return -ENODEV;
	}

	return crypto_register_algs(cmll_algs, ARRAY_SIZE(cmll_algs));
	}

	static void __exit camellia_aesni_fini(void)
	{
	crypto_unregister_algs(cmll_algs, ARRAY_SIZE(cmll_algs));
	}

	module_init(camellia_aesni_init);
	module_exit(camellia_aesni_fini);

	MODULE_LICENSE("GPL");
	MODULE_DESCRIPTION("Camellia Cipher Algorithm, AES-NI/AVX2 optimized");
	MODULE_ALIAS_CRYPTO("camellia");
	MODULE_ALIAS_CRYPTO("camellia-asm");