Fixed MTP to work with TWRP

2025-09-08 09:08:05 -04:00 · 2018-06-19 23:16:04 +02:00 · 2018-06-19 23:16:04 +02:00 · f6dfaef42e
commit f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
--- a/drivers/crypto/fmp/fmpdev_info.h
+++ b/drivers/crypto/fmp/fmpdev_info.h
@ -0,0 +1,133 @@
+/*
+ * Exynos FMP device information for FIPS
+ *
+ * Copyright (C) 2015 Samsung Electronics Co., Ltd.
+ *
+ * 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.
+ */
+
+#ifndef _FIPS_FMP_INFO_H_
+#define _FIPS_FMP_INFO_H_
+
+#define FMP_BLK_SIZE	(4096)
+
+#define BYPASS_MODE	0
+#define CBC_MODE	1
+#define XTS_MODE	2
+
+#define ENCRYPT		1
+#define DECRYPT		2
+
+#define WRITE_MODE	1
+#define READ_MODE	2
+
+/* API extensions for linux */
+#define FMP_HMAC_MAX_KEY_LEN	512
+#define FMP_CIPHER_MAX_KEY_LEN	64
+
+enum fmpdev_crypto_op_t {
+	FMP_AES_CBC = 1,
+	FMP_AES_XTS = 2,
+	FMP_SHA2_256_HMAC = 3,
+	FMP_SHA2_256 = 4,
+	FMPFW_SHA2_256_HMAC = 5,
+	FMPFW_SHA2_256 = 6,
+	FMP_ALGORITHM_ALL, /* Keep updated - see below */
+};
+#define	FMP_ALGORITHM_MAX	(FMP_ALGORITHM_ALL - 1)
+
+/* the maximum of the above */
+#define EALG_MAX_BLOCK_LEN	16
+
+/* Values for hashes/MAC */
+#define AALG_MAX_RESULT_LEN	64
+
+/* maximum length of verbose alg names (depends on CRYPTO_MAX_ALG_NAME) */
+#define FMPDEV_MAX_ALG_NAME	64
+
+#define DEFAULT_PREALLOC_PAGES	32
+
+/* input of FMPGSESSION */
+struct session_op {
+	__u32	cipher;		/* cryptodev_crypto_op_t */
+	__u32	mac;		/* cryptodev_crypto_op_t */
+
+	__u32	keylen;
+	__u8	__user *key;
+	__u32	mackeylen;
+	__u8	__user *mackey;
+
+	__u32	ses;		/* session identifier */
+};
+
+struct session_info_op {
+	__u32 ses;		/* session identifier */
+
+	/* verbose names for the requested ciphers */
+	struct alg_info {
+		char cra_name[FMPDEV_MAX_ALG_NAME];
+		char cra_driver_name[FMPDEV_MAX_ALG_NAME];
+	} cipher_info, hash_info;
+
+	__u16	alignmask;	/* alignment constraints */
+	__u32   flags;          /* SIOP_FLAGS_* */
+};
+
+/* If this flag is set then this algorithm uses
+ * a driver only available in kernel (software drivers,
+ * or drivers based on instruction sets do not set this flag).
+ *
+ * If multiple algorithms are involved (as in AEAD case), then
+ * if one of them is kernel-driver-only this flag will be set.
+ */
+#define SIOP_FLAG_KERNEL_DRIVER_ONLY 1
+
+#define	COP_ENCRYPT	0
+#define COP_DECRYPT	1
+
+/* input of FMPCRYPT */
+struct crypt_op {
+	__u32	ses;		/* session identifier */
+	__u16	op;		/* COP_ENCRYPT or COP_DECRYPT */
+	__u16	flags;		/* see COP_FLAG_* */
+	__u32	len;		/* length of source data */
+	__u8	__user *src;	/* source data */
+	__u8	__user *dst;	/* pointer to output data */
+	/* pointer to output data for hash/MAC operations */
+	__u8	__user *mac;
+	/* initialization vector for encryption operations */
+	__u8	__user *iv;
+
+	__u32 data_unit_len;
+	__u32 data_unit_seqnumber;
+
+	__u8 	__user *secondLastEncodedData;
+	__u8 	__user *thirdLastEncodedData;
+};
+
+#define COP_FLAG_NONE		(0 << 0) /* totally no flag */
+#define COP_FLAG_UPDATE		(1 << 0) /* multi-update hash mode */
+#define COP_FLAG_FINAL		(1 << 1) /* multi-update final hash mode */
+#define COP_FLAG_WRITE_IV	(1 << 2) /* update the IV during operation */
+#define COP_FLAG_NO_ZC		(1 << 3) /* do not zero-copy */
+#define COP_FLAG_AEAD_TLS_TYPE  (1 << 4) /* authenticate and encrypt using the
+                                          * TLS protocol rules */
+#define COP_FLAG_AEAD_SRTP_TYPE  (1 << 5) /* authenticate and encrypt using the
+                                           * SRTP protocol rules */
+#define COP_FLAG_RESET		(1 << 6) /* multi-update reset the state.
+                                          * should be used in combination
+                                          * with COP_FLAG_UPDATE */
+#define COP_FLAG_AES_CBC	(1 << 7)
+#define COP_FLAG_AES_XTS	(1 << 8)
+#define COP_FLAG_AES_CBC_MCT	(1 << 9)
+
+#define FMPGSESSION		_IOWR('c', 200, struct session_op)
+#define FMPFSESSION		_IOWR('c', 201, __u32)
+#define FMPGSESSIONINFO		_IOWR('c', 202, struct session_info_op)
+#define FMPCRYPT		_IOWR('c', 203, struct crypt_op)
+#define FMP_AES_CBC_MCT		_IOWR('c', 204, struct crypt_op)
+
+#endif