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https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-10-31 16:18:51 +01:00
Fixed MTP to work with TWRP
This commit is contained in:
awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
247
drivers/crypto/fmp/fmpdev_int.h
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247
drivers/crypto/fmp/fmpdev_int.h
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/*
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* Exynos FMP device header for FIPS
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*
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* Copyright (C) 2015 Samsung Electronics Co., Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __FMPDEV_INT_H__
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#define __FMPDEV_INT_H__
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#include <linux/init.h>
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#include <linux/sched.h>
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#include <linux/fs.h>
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#include <linux/file.h>
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#include <linux/fdtable.h>
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#include <linux/miscdevice.h>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/scatterlist.h>
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#include <crypto/aead.h>
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#include "fmpdev_info.h"
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/* Used during FIPS Functional test with CMT Lab
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* FIPS_FMP_FUNC_TEST 0 - Normal operation
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* FIPS_FMP_FUNC_TEST 1 - Fail FMP H/W AES XTS Self test
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* FIPS_FMP_FUNC_TEST 2 - Fail FMP H/W AES CBC Self test
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* FIPS_FMP_FUNC_TEST 3 - Fail FMP DRV SHA256 Self test
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* FIPS_FMP_FUNC_TEST 4 - Fail FMP DRV HMAC Self test
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* FIPS_FMP_FUNC_TEST 5 - Fail FMP DRV Integrity test
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* FIPS_FMP_FUNC_TEST 6 - Enable FMP Key zeroization logs
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*/
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#define FIPS_FMP_FUNC_TEST 0
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struct fcrypt {
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struct list_head list;
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struct mutex sem;
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};
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/* kernel-internal extension to struct crypt_op */
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struct kernel_crypt_op {
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struct crypt_op cop;
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int ivlen;
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__u8 iv[EALG_MAX_BLOCK_LEN];
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int digestsize;
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uint8_t hash_output[AALG_MAX_RESULT_LEN];
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struct task_struct *task;
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struct mm_struct *mm;
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};
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struct todo_list_item {
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struct list_head __hook;
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struct kernel_crypt_op kcop;
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int result;
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};
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struct locked_list {
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struct list_head list;
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struct mutex lock;
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};
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struct fmp_info {
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int init_status;
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struct device *dev;
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struct fcrypt fcrypt;
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struct locked_list free, todo, done;
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int itemcount;
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struct work_struct fmptask;
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wait_queue_head_t user_waiter;
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};
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/* compatibility stuff */
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#ifdef CONFIG_COMPAT
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#include <linux/compat.h>
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/* input of FMPGSESSION */
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struct compat_session_op {
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/* Specify either cipher or mac
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*/
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uint32_t cipher; /* cryptodev_crypto_op_t */
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uint32_t mac; /* cryptodev_crypto_op_t */
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uint32_t keylen;
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compat_uptr_t key; /* pointer to key data */
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uint32_t mackeylen;
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compat_uptr_t mackey; /* pointer to mac key data */
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uint32_t ses; /* session identifier */
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};
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/* input of FMPCRYPT */
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struct compat_crypt_op {
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uint32_t ses; /* session identifier */
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uint16_t op; /* COP_ENCRYPT or COP_DECRYPT */
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uint16_t flags; /* see COP_FLAG_* */
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uint32_t len; /* length of source data */
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compat_uptr_t src; /* source data */
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compat_uptr_t dst; /* pointer to output data */
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compat_uptr_t mac;/* pointer to output data for hash/MAC operations */
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compat_uptr_t iv;/* initialization vector for encryption operations */
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compat_uptr_t secondLastEncodedData;
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compat_uptr_t thirdLastEncodedData;
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};
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#define COMPAT_FMPGSESSION _IOWR('c', 100, struct compat_session_op)
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#define COMPAT_FMPCRYPT _IOWR('c', 101, struct compat_crypt_op)
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#define COMPAT_FMP_AES_CBC_MCT _IOWR('c', 102, struct compat_crypt_op)
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#endif
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/* the maximum of the above */
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#define EALG_MAX_BLOCK_LEN 16
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struct cipher_data {
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int init; /* 0 uninitialized */
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int blocksize;
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int aead;
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int stream;
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int ivsize;
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int alignmask;
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struct {
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/* block ciphers */
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struct crypto_ablkcipher *s;
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struct ablkcipher_request *request;
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/* AEAD ciphers */
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struct crypto_aead *as;
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struct aead_request *arequest;
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struct fmpdev_result *result;
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uint8_t iv[EALG_MAX_BLOCK_LEN];
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} async;
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int mode;
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};
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/* Hash */
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struct sha256_fmpfw_info {
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uint32_t input;
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size_t input_len;
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uint32_t output;
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uint32_t step;
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};
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struct hmac_sha256_fmpfw_info {
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struct sha256_fmpfw_info s;
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uint32_t key;
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size_t key_len;
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uint32_t hmac_mode;
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uint32_t dummy;
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};
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struct hash_data {
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int init; /* 0 uninitialized */
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int digestsize;
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int alignmask;
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struct {
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struct crypto_ahash *s;
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struct fmpdev_result *result;
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struct ahash_request *request;
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} async;
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struct hmac_sha256_fmpfw_info *fmpfw_info;
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};
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struct fmpdev_result {
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struct completion completion;
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int err;
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};
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/* other internal structs */
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struct csession {
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struct list_head entry;
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struct mutex sem;
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struct cipher_data cdata;
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struct hash_data hdata;
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uint32_t sid;
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uint32_t alignmask;
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unsigned int array_size;
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unsigned int used_pages; /* the number of pages that are used */
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/* the number of pages marked as writable (first are the readable) */
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unsigned int readable_pages;
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struct page **pages;
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struct scatterlist *sg;
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};
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struct csession *fmp_get_session_by_sid(struct fcrypt *fcr, uint32_t sid);
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inline static void fmp_put_session(struct csession *ses_ptr)
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{
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mutex_unlock(&ses_ptr->sem);
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}
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int adjust_sg_array(struct csession *ses, int pagecount);
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#define MAX_TAP 8
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#define XBUFSIZE 8
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struct cipher_testvec {
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char *key;
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char *iv;
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char *input;
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char *result;
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unsigned short tap[MAX_TAP];
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int np;
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unsigned char also_non_np;
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unsigned char klen;
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unsigned short ilen;
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unsigned short rlen;
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};
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struct hash_testvec {
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/* only used with keyed hash algorithms */
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char *key;
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char *plaintext;
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char *digest;
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unsigned char tap[MAX_TAP];
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unsigned short psize;
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unsigned char np;
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unsigned char ksize;
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};
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struct cipher_test_suite {
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struct {
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struct cipher_testvec *vecs;
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unsigned int count;
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} enc;
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};
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struct hash_test_suite {
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struct hash_testvec *vecs;
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unsigned int count;
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};
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struct fips_fmp_ops {
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int (*init)(struct device *dev, uint32_t mode);
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int (*set_key)(struct device *dev, uint32_t mode, uint8_t *key, uint32_t key_len);
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int (*set_iv)(struct device *dev, uint32_t mode, uint8_t *iv, uint32_t iv_len);
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int (*run)(struct device *dev, uint32_t mode, uint8_t *data, uint32_t len, uint32_t write);
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int (*exit)(void);
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};
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#endif
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