Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 364 insertions, 0 deletions

diff --git a/arch/x86/include/asm/crypto/aes.h b/arch/x86/include/asm/crypto/aes.h
new file mode 100644
index 000000000..c508521dd
--- /dev/null
+++ b/arch/x86/include/asm/crypto/aes.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ASM_X86_AES_H
+#define ASM_X86_AES_H
+
+#include <linux/crypto.h>
+#include <crypto/aes.h>
+
+void crypto_aes_encrypt_x86(struct crypto_aes_ctx *ctx, u8 *dst,
+			    const u8 *src);
+void crypto_aes_decrypt_x86(struct crypto_aes_ctx *ctx, u8 *dst,
+			    const u8 *src);
+#endif
diff --git a/arch/x86/include/asm/crypto/camellia.h b/arch/x86/include/asm/crypto/camellia.h
new file mode 100644
index 000000000..a5d86fc05
--- /dev/null
+++ b/arch/x86/include/asm/crypto/camellia.h
@@ -0,0 +1,96 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ASM_X86_CAMELLIA_H
+#define ASM_X86_CAMELLIA_H
+
+#include <crypto/b128ops.h>
+#include <linux/crypto.h>
+#include <linux/kernel.h>
+
+#define CAMELLIA_MIN_KEY_SIZE	16
+#define CAMELLIA_MAX_KEY_SIZE	32
+#define CAMELLIA_BLOCK_SIZE	16
+#define CAMELLIA_TABLE_BYTE_LEN	272
+#define CAMELLIA_PARALLEL_BLOCKS 2
+
+struct crypto_skcipher;
+
+struct camellia_ctx {
+	u64 key_table[CAMELLIA_TABLE_BYTE_LEN / sizeof(u64)];
+	u32 key_length;
+};
+
+struct camellia_xts_ctx {
+	struct camellia_ctx tweak_ctx;
+	struct camellia_ctx crypt_ctx;
+};
+
+extern int __camellia_setkey(struct camellia_ctx *cctx,
+			     const unsigned char *key,
+			     unsigned int key_len, u32 *flags);
+
+extern int xts_camellia_setkey(struct crypto_skcipher *tfm, const u8 *key,
+			       unsigned int keylen);
+
+/* regular block cipher functions */
+asmlinkage void __camellia_enc_blk(struct camellia_ctx *ctx, u8 *dst,
+				   const u8 *src, bool xor);
+asmlinkage void camellia_dec_blk(struct camellia_ctx *ctx, u8 *dst,
+				 const u8 *src);
+
+/* 2-way parallel cipher functions */
+asmlinkage void __camellia_enc_blk_2way(struct camellia_ctx *ctx, u8 *dst,
+					const u8 *src, bool xor);
+asmlinkage void camellia_dec_blk_2way(struct camellia_ctx *ctx, u8 *dst,
+				      const u8 *src);
+
+/* 16-way parallel cipher functions (avx/aes-ni) */
+asmlinkage void camellia_ecb_enc_16way(struct camellia_ctx *ctx, u8 *dst,
+				       const u8 *src);
+asmlinkage void camellia_ecb_dec_16way(struct camellia_ctx *ctx, u8 *dst,
+				       const u8 *src);
+
+asmlinkage void camellia_cbc_dec_16way(struct camellia_ctx *ctx, u8 *dst,
+				       const u8 *src);
+asmlinkage void camellia_ctr_16way(struct camellia_ctx *ctx, u8 *dst,
+				   const u8 *src, le128 *iv);
+
+asmlinkage void camellia_xts_enc_16way(struct camellia_ctx *ctx, u8 *dst,
+				       const u8 *src, le128 *iv);
+asmlinkage void camellia_xts_dec_16way(struct camellia_ctx *ctx, u8 *dst,
+				       const u8 *src, le128 *iv);
+
+static inline void camellia_enc_blk(struct camellia_ctx *ctx, u8 *dst,
+				    const u8 *src)
+{
+	__camellia_enc_blk(ctx, dst, src, false);
+}
+
+static inline void camellia_enc_blk_xor(struct camellia_ctx *ctx, u8 *dst,
+					const u8 *src)
+{
+	__camellia_enc_blk(ctx, dst, src, true);
+}
+
+static inline void camellia_enc_blk_2way(struct camellia_ctx *ctx, u8 *dst,
+					 const u8 *src)
+{
+	__camellia_enc_blk_2way(ctx, dst, src, false);
+}
+
+static inline void camellia_enc_blk_xor_2way(struct camellia_ctx *ctx, u8 *dst,
+					     const u8 *src)
+{
+	__camellia_enc_blk_2way(ctx, dst, src, true);
+}
+
+/* glue helpers */
+extern void camellia_decrypt_cbc_2way(void *ctx, u128 *dst, const u128 *src);
+extern void camellia_crypt_ctr(void *ctx, u128 *dst, const u128 *src,
+			       le128 *iv);
+extern void camellia_crypt_ctr_2way(void *ctx, u128 *dst, const u128 *src,
+				    le128 *iv);
+
+extern void camellia_xts_enc(void *ctx, u128 *dst, const u128 *src, le128 *iv);
+extern void camellia_xts_dec(void *ctx, u128 *dst, const u128 *src, le128 *iv);
+
+#endif /* ASM_X86_CAMELLIA_H */
diff --git a/arch/x86/include/asm/crypto/glue_helper.h b/arch/x86/include/asm/crypto/glue_helper.h
new file mode 100644
index 000000000..d1818634a
--- /dev/null
+++ b/arch/x86/include/asm/crypto/glue_helper.h
@@ -0,0 +1,122 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Shared glue code for 128bit block ciphers
+ */
+
+#ifndef _CRYPTO_GLUE_HELPER_H
+#define _CRYPTO_GLUE_HELPER_H
+
+#include <crypto/internal/skcipher.h>
+#include <linux/kernel.h>
+#include <asm/fpu/api.h>
+#include <crypto/b128ops.h>
+
+typedef void (*common_glue_func_t)(void *ctx, u8 *dst, const u8 *src);
+typedef void (*common_glue_cbc_func_t)(void *ctx, u128 *dst, const u128 *src);
+typedef void (*common_glue_ctr_func_t)(void *ctx, u128 *dst, const u128 *src,
+				       le128 *iv);
+typedef void (*common_glue_xts_func_t)(void *ctx, u128 *dst, const u128 *src,
+				       le128 *iv);
+
+#define GLUE_FUNC_CAST(fn) ((common_glue_func_t)(fn))
+#define GLUE_CBC_FUNC_CAST(fn) ((common_glue_cbc_func_t)(fn))
+#define GLUE_CTR_FUNC_CAST(fn) ((common_glue_ctr_func_t)(fn))
+#define GLUE_XTS_FUNC_CAST(fn) ((common_glue_xts_func_t)(fn))
+
+struct common_glue_func_entry {
+	unsigned int num_blocks; /* number of blocks that @fn will process */
+	union {
+		common_glue_func_t ecb;
+		common_glue_cbc_func_t cbc;
+		common_glue_ctr_func_t ctr;
+		common_glue_xts_func_t xts;
+	} fn_u;
+};
+
+struct common_glue_ctx {
+	unsigned int num_funcs;
+	int fpu_blocks_limit; /* -1 means fpu not needed at all */
+
+	/*
+	 * First funcs entry must have largest num_blocks and last funcs entry
+	 * must have num_blocks == 1!
+	 */
+	struct common_glue_func_entry funcs[];
+};
+
+static inline bool glue_fpu_begin(unsigned int bsize, int fpu_blocks_limit,
+				  struct skcipher_walk *walk,
+				  bool fpu_enabled, unsigned int nbytes)
+{
+	if (likely(fpu_blocks_limit < 0))
+		return false;
+
+	if (fpu_enabled)
+		return true;
+
+	/*
+	 * Vector-registers are only used when chunk to be processed is large
+	 * enough, so do not enable FPU until it is necessary.
+	 */
+	if (nbytes < bsize * (unsigned int)fpu_blocks_limit)
+		return false;
+
+	/* prevent sleeping if FPU is in use */
+	skcipher_walk_atomise(walk);
+
+	kernel_fpu_begin();
+	return true;
+}
+
+static inline void glue_fpu_end(bool fpu_enabled)
+{
+	if (fpu_enabled)
+		kernel_fpu_end();
+}
+
+static inline void le128_to_be128(be128 *dst, const le128 *src)
+{
+	dst->a = cpu_to_be64(le64_to_cpu(src->a));
+	dst->b = cpu_to_be64(le64_to_cpu(src->b));
+}
+
+static inline void be128_to_le128(le128 *dst, const be128 *src)
+{
+	dst->a = cpu_to_le64(be64_to_cpu(src->a));
+	dst->b = cpu_to_le64(be64_to_cpu(src->b));
+}
+
+static inline void le128_inc(le128 *i)
+{
+	u64 a = le64_to_cpu(i->a);
+	u64 b = le64_to_cpu(i->b);
+
+	b++;
+	if (!b)
+		a++;
+
+	i->a = cpu_to_le64(a);
+	i->b = cpu_to_le64(b);
+}
+
+extern int glue_ecb_req_128bit(const struct common_glue_ctx *gctx,
+			       struct skcipher_request *req);
+
+extern int glue_cbc_encrypt_req_128bit(const common_glue_func_t fn,
+				       struct skcipher_request *req);
+
+extern int glue_cbc_decrypt_req_128bit(const struct common_glue_ctx *gctx,
+				       struct skcipher_request *req);
+
+extern int glue_ctr_req_128bit(const struct common_glue_ctx *gctx,
+			       struct skcipher_request *req);
+
+extern int glue_xts_req_128bit(const struct common_glue_ctx *gctx,
+			       struct skcipher_request *req,
+			       common_glue_func_t tweak_fn, void *tweak_ctx,
+			       void *crypt_ctx);
+
+extern void glue_xts_crypt_128bit_one(void *ctx, u128 *dst, const u128 *src,
+				      le128 *iv, common_glue_func_t fn);
+
+#endif /* _CRYPTO_GLUE_HELPER_H */
diff --git a/arch/x86/include/asm/crypto/serpent-avx.h b/arch/x86/include/asm/crypto/serpent-avx.h
new file mode 100644
index 000000000..db7c9cc32
--- /dev/null
+++ b/arch/x86/include/asm/crypto/serpent-avx.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ASM_X86_SERPENT_AVX_H
+#define ASM_X86_SERPENT_AVX_H
+
+#include <crypto/b128ops.h>
+#include <crypto/serpent.h>
+#include <linux/types.h>
+
+struct crypto_skcipher;
+
+#define SERPENT_PARALLEL_BLOCKS 8
+
+struct serpent_xts_ctx {
+	struct serpent_ctx tweak_ctx;
+	struct serpent_ctx crypt_ctx;
+};
+
+asmlinkage void serpent_ecb_enc_8way_avx(struct serpent_ctx *ctx, u8 *dst,
+					 const u8 *src);
+asmlinkage void serpent_ecb_dec_8way_avx(struct serpent_ctx *ctx, u8 *dst,
+					 const u8 *src);
+
+asmlinkage void serpent_cbc_dec_8way_avx(struct serpent_ctx *ctx, u8 *dst,
+					 const u8 *src);
+asmlinkage void serpent_ctr_8way_avx(struct serpent_ctx *ctx, u8 *dst,
+				     const u8 *src, le128 *iv);
+
+asmlinkage void serpent_xts_enc_8way_avx(struct serpent_ctx *ctx, u8 *dst,
+					 const u8 *src, le128 *iv);
+asmlinkage void serpent_xts_dec_8way_avx(struct serpent_ctx *ctx, u8 *dst,
+					 const u8 *src, le128 *iv);
+
+extern void __serpent_crypt_ctr(void *ctx, u128 *dst, const u128 *src,
+				le128 *iv);
+
+extern void serpent_xts_enc(void *ctx, u128 *dst, const u128 *src, le128 *iv);
+extern void serpent_xts_dec(void *ctx, u128 *dst, const u128 *src, le128 *iv);
+
+extern int xts_serpent_setkey(struct crypto_skcipher *tfm, const u8 *key,
+			      unsigned int keylen);
+
+#endif
diff --git a/arch/x86/include/asm/crypto/serpent-sse2.h b/arch/x86/include/asm/crypto/serpent-sse2.h
new file mode 100644
index 000000000..1a345e8a7
--- /dev/null
+++ b/arch/x86/include/asm/crypto/serpent-sse2.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ASM_X86_SERPENT_SSE2_H
+#define ASM_X86_SERPENT_SSE2_H
+
+#include <linux/crypto.h>
+#include <crypto/serpent.h>
+
+#ifdef CONFIG_X86_32
+
+#define SERPENT_PARALLEL_BLOCKS 4
+
+asmlinkage void __serpent_enc_blk_4way(struct serpent_ctx *ctx, u8 *dst,
+				       const u8 *src, bool xor);
+asmlinkage void serpent_dec_blk_4way(struct serpent_ctx *ctx, u8 *dst,
+				     const u8 *src);
+
+static inline void serpent_enc_blk_xway(struct serpent_ctx *ctx, u8 *dst,
+					const u8 *src)
+{
+	__serpent_enc_blk_4way(ctx, dst, src, false);
+}
+
+static inline void serpent_enc_blk_xway_xor(struct serpent_ctx *ctx, u8 *dst,
+					    const u8 *src)
+{
+	__serpent_enc_blk_4way(ctx, dst, src, true);
+}
+
+static inline void serpent_dec_blk_xway(struct serpent_ctx *ctx, u8 *dst,
+					const u8 *src)
+{
+	serpent_dec_blk_4way(ctx, dst, src);
+}
+
+#else
+
+#define SERPENT_PARALLEL_BLOCKS 8
+
+asmlinkage void __serpent_enc_blk_8way(struct serpent_ctx *ctx, u8 *dst,
+				       const u8 *src, bool xor);
+asmlinkage void serpent_dec_blk_8way(struct serpent_ctx *ctx, u8 *dst,
+				     const u8 *src);
+
+static inline void serpent_enc_blk_xway(struct serpent_ctx *ctx, u8 *dst,
+				   const u8 *src)
+{
+	__serpent_enc_blk_8way(ctx, dst, src, false);
+}
+
+static inline void serpent_enc_blk_xway_xor(struct serpent_ctx *ctx, u8 *dst,
+				       const u8 *src)
+{
+	__serpent_enc_blk_8way(ctx, dst, src, true);
+}
+
+static inline void serpent_dec_blk_xway(struct serpent_ctx *ctx, u8 *dst,
+				   const u8 *src)
+{
+	serpent_dec_blk_8way(ctx, dst, src);
+}
+
+#endif
+
+#endif
diff --git a/arch/x86/include/asm/crypto/twofish.h b/arch/x86/include/asm/crypto/twofish.h
new file mode 100644
index 000000000..f618bf272
--- /dev/null
+++ b/arch/x86/include/asm/crypto/twofish.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ASM_X86_TWOFISH_H
+#define ASM_X86_TWOFISH_H
+
+#include <linux/crypto.h>
+#include <crypto/twofish.h>
+#include <crypto/b128ops.h>
+
+/* regular block cipher functions from twofish_x86_64 module */
+asmlinkage void twofish_enc_blk(struct twofish_ctx *ctx, u8 *dst,
+				const u8 *src);
+asmlinkage void twofish_dec_blk(struct twofish_ctx *ctx, u8 *dst,
+				const u8 *src);
+
+/* 3-way parallel cipher functions */
+asmlinkage void __twofish_enc_blk_3way(struct twofish_ctx *ctx, u8 *dst,
+				       const u8 *src, bool xor);
+asmlinkage void twofish_dec_blk_3way(struct twofish_ctx *ctx, u8 *dst,
+				     const u8 *src);
+
+/* helpers from twofish_x86_64-3way module */
+extern void twofish_dec_blk_cbc_3way(void *ctx, u128 *dst, const u128 *src);
+extern void twofish_enc_blk_ctr(void *ctx, u128 *dst, const u128 *src,
+				le128 *iv);
+extern void twofish_enc_blk_ctr_3way(void *ctx, u128 *dst, const u128 *src,
+				     le128 *iv);
+
+#endif /* ASM_X86_TWOFISH_H */