1 files changed, 0 insertions, 338 deletions
diff --git a/ANDROID_3.4.5/arch/x86/crypto/ghash-clmulni-intel_glue.c b/ANDROID_3.4.5/arch/x86/crypto/ghash-clmulni-intel_glue.c
deleted file mode 100644
index b4bf0a63..00000000
--- a/ANDROID_3.4.5/arch/x86/crypto/ghash-clmulni-intel_glue.c
+++ /dev/null
@@ -1,338 +0,0 @@
-/*
- * Accelerated GHASH implementation with Intel PCLMULQDQ-NI
- * instructions. This file contains glue code.
- *
- * Copyright (c) 2009 Intel Corp.
- *   Author: Huang Ying <ying.huang@intel.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
- */
-
-#include <linux/err.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/crypto.h>
-#include <crypto/algapi.h>
-#include <crypto/cryptd.h>
-#include <crypto/gf128mul.h>
-#include <crypto/internal/hash.h>
-#include <asm/i387.h>
-#include <asm/cpu_device_id.h>
-
-#define GHASH_BLOCK_SIZE	16
-#define GHASH_DIGEST_SIZE	16
-
-void clmul_ghash_mul(char *dst, const be128 *shash);
-
-void clmul_ghash_update(char *dst, const char *src, unsigned int srclen,
-			const be128 *shash);
-
-void clmul_ghash_setkey(be128 *shash, const u8 *key);
-
-struct ghash_async_ctx {
-	struct cryptd_ahash *cryptd_tfm;
-};
-
-struct ghash_ctx {
-	be128 shash;
-};
-
-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;
-	}
-
-	clmul_ghash_setkey(&ctx->shash, key);
-
-	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);
-	u8 *dst = dctx->buffer;
-
-	kernel_fpu_begin();
-	if (dctx->bytes) {
-		int n = min(srclen, dctx->bytes);
-		u8 *pos = dst + (GHASH_BLOCK_SIZE - dctx->bytes);
-
-		dctx->bytes -= n;
-		srclen -= n;
-
-		while (n--)
-			*pos++ ^= *src++;
-
-		if (!dctx->bytes)
-			clmul_ghash_mul(dst, &ctx->shash);
-	}
-
-	clmul_ghash_update(dst, src, srclen, &ctx->shash);
-	kernel_fpu_end();
-
-	if (srclen & 0xf) {
-		src += srclen - (srclen & 0xf);
-		srclen &= 0xf;
-		dctx->bytes = GHASH_BLOCK_SIZE - srclen;
-		while (srclen--)
-			*dst++ ^= *src++;
-	}
-
-	return 0;
-}
-
-static void ghash_flush(struct ghash_ctx *ctx, struct ghash_desc_ctx *dctx)
-{
-	u8 *dst = dctx->buffer;
-
-	if (dctx->bytes) {
-		u8 *tmp = dst + (GHASH_BLOCK_SIZE - dctx->bytes);
-
-		while (dctx->bytes--)
-			*tmp++ ^= 0;
-
-		kernel_fpu_begin();
-		clmul_ghash_mul(dst, &ctx->shash);
-		kernel_fpu_end();
-	}
-
-	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);
-	u8 *buf = dctx->buffer;
-
-	ghash_flush(ctx, dctx);
-	memcpy(dst, buf, 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-pclmulqdqni",
-		.cra_priority		= 0,
-		.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 ghash_async_init(struct ahash_request *req)
-{
-	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
-	struct ghash_async_ctx *ctx = crypto_ahash_ctx(tfm);
-	struct ahash_request *cryptd_req = ahash_request_ctx(req);
-	struct cryptd_ahash *cryptd_tfm = ctx->cryptd_tfm;
-
-	if (!irq_fpu_usable()) {
-		memcpy(cryptd_req, req, sizeof(*req));
-		ahash_request_set_tfm(cryptd_req, &cryptd_tfm->base);
-		return crypto_ahash_init(cryptd_req);
-	} else {
-		struct shash_desc *desc = cryptd_shash_desc(cryptd_req);
-		struct crypto_shash *child = cryptd_ahash_child(cryptd_tfm);
-
-		desc->tfm = child;
-		desc->flags = req->base.flags;
-		return crypto_shash_init(desc);
-	}
-}
-
-static int ghash_async_update(struct ahash_request *req)
-{
-	struct ahash_request *cryptd_req = ahash_request_ctx(req);
-
-	if (!irq_fpu_usable()) {
-		struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
-		struct ghash_async_ctx *ctx = crypto_ahash_ctx(tfm);
-		struct cryptd_ahash *cryptd_tfm = ctx->cryptd_tfm;
-
-		memcpy(cryptd_req, req, sizeof(*req));
-		ahash_request_set_tfm(cryptd_req, &cryptd_tfm->base);
-		return crypto_ahash_update(cryptd_req);
-	} else {
-		struct shash_desc *desc = cryptd_shash_desc(cryptd_req);
-		return shash_ahash_update(req, desc);
-	}
-}
-
-static int ghash_async_final(struct ahash_request *req)
-{
-	struct ahash_request *cryptd_req = ahash_request_ctx(req);
-
-	if (!irq_fpu_usable()) {
-		struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
-		struct ghash_async_ctx *ctx = crypto_ahash_ctx(tfm);
-		struct cryptd_ahash *cryptd_tfm = ctx->cryptd_tfm;
-
-		memcpy(cryptd_req, req, sizeof(*req));
-		ahash_request_set_tfm(cryptd_req, &cryptd_tfm->base);
-		return crypto_ahash_final(cryptd_req);
-	} else {
-		struct shash_desc *desc = cryptd_shash_desc(cryptd_req);
-		return crypto_shash_final(desc, req->result);
-	}
-}
-
-static int ghash_async_digest(struct ahash_request *req)
-{
-	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
-	struct ghash_async_ctx *ctx = crypto_ahash_ctx(tfm);
-	struct ahash_request *cryptd_req = ahash_request_ctx(req);
-	struct cryptd_ahash *cryptd_tfm = ctx->cryptd_tfm;
-
-	if (!irq_fpu_usable()) {
-		memcpy(cryptd_req, req, sizeof(*req));
-		ahash_request_set_tfm(cryptd_req, &cryptd_tfm->base);
-		return crypto_ahash_digest(cryptd_req);
-	} else {
-		struct shash_desc *desc = cryptd_shash_desc(cryptd_req);
-		struct crypto_shash *child = cryptd_ahash_child(cryptd_tfm);
-
-		desc->tfm = child;
-		desc->flags = req->base.flags;
-		return shash_ahash_digest(req, desc);
-	}
-}
-
-static int ghash_async_setkey(struct crypto_ahash *tfm, const u8 *key,
-			      unsigned int keylen)
-{
-	struct ghash_async_ctx *ctx = crypto_ahash_ctx(tfm);
-	struct crypto_ahash *child = &ctx->cryptd_tfm->base;
-	int err;
-
-	crypto_ahash_clear_flags(child, CRYPTO_TFM_REQ_MASK);
-	crypto_ahash_set_flags(child, crypto_ahash_get_flags(tfm)
-			       & CRYPTO_TFM_REQ_MASK);
-	err = crypto_ahash_setkey(child, key, keylen);
-	crypto_ahash_set_flags(tfm, crypto_ahash_get_flags(child)
-			       & CRYPTO_TFM_RES_MASK);
-
-	return err;
-}
-
-static int ghash_async_init_tfm(struct crypto_tfm *tfm)
-{
-	struct cryptd_ahash *cryptd_tfm;
-	struct ghash_async_ctx *ctx = crypto_tfm_ctx(tfm);
-
-	cryptd_tfm = cryptd_alloc_ahash("__ghash-pclmulqdqni", 0, 0);
-	if (IS_ERR(cryptd_tfm))
-		return PTR_ERR(cryptd_tfm);
-	ctx->cryptd_tfm = cryptd_tfm;
-	crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
-				 sizeof(struct ahash_request) +
-				 crypto_ahash_reqsize(&cryptd_tfm->base));
-
-	return 0;
-}
-
-static void ghash_async_exit_tfm(struct crypto_tfm *tfm)
-{
-	struct ghash_async_ctx *ctx = crypto_tfm_ctx(tfm);
-
-	cryptd_free_ahash(ctx->cryptd_tfm);
-}
-
-static struct ahash_alg ghash_async_alg = {
-	.init		= ghash_async_init,
-	.update		= ghash_async_update,
-	.final		= ghash_async_final,
-	.setkey		= ghash_async_setkey,
-	.digest		= ghash_async_digest,
-	.halg = {
-		.digestsize	= GHASH_DIGEST_SIZE,
-		.base = {
-			.cra_name		= "ghash",
-			.cra_driver_name	= "ghash-clmulni",
-			.cra_priority		= 400,
-			.cra_flags		= CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_ASYNC,
-			.cra_blocksize		= GHASH_BLOCK_SIZE,
-			.cra_type		= &crypto_ahash_type,
-			.cra_module		= THIS_MODULE,
-			.cra_list		= LIST_HEAD_INIT(ghash_async_alg.halg.base.cra_list),
-			.cra_init		= ghash_async_init_tfm,
-			.cra_exit		= ghash_async_exit_tfm,
-		},
-	},
-};
-
-static const struct x86_cpu_id pcmul_cpu_id[] = {
-	X86_FEATURE_MATCH(X86_FEATURE_PCLMULQDQ), /* Pickle-Mickle-Duck */
-	{}
-};
-MODULE_DEVICE_TABLE(x86cpu, pcmul_cpu_id);
-
-static int __init ghash_pclmulqdqni_mod_init(void)
-{
-	int err;
-
-	if (!x86_match_cpu(pcmul_cpu_id))
-		return -ENODEV;
-
-	err = crypto_register_shash(&ghash_alg);
-	if (err)
-		goto err_out;
-	err = crypto_register_ahash(&ghash_async_alg);
-	if (err)
-		goto err_shash;
-
-	return 0;
-
-err_shash:
-	crypto_unregister_shash(&ghash_alg);
-err_out:
-	return err;
-}
-
-static void __exit ghash_pclmulqdqni_mod_exit(void)
-{
-	crypto_unregister_ahash(&ghash_async_alg);
-	crypto_unregister_shash(&ghash_alg);
-}
-
-module_init(ghash_pclmulqdqni_mod_init);
-module_exit(ghash_pclmulqdqni_mod_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("GHASH Message Digest Algorithm, "
-		   "acclerated by PCLMULQDQ-NI");
-MODULE_ALIAS("ghash");