[GitHub/LineageOS/android_kernel_motorola_exynos9610.git] / drivers / mmc / host / dw_mmc-srpmb.h

/*
 * Secure RPMB header for Exynos MMC RPMB
 *
 * Copyright (C) 2016 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 _MMC_SRPMB_H
#define _MMC_SRPMB_H

#define GET_WRITE_COUNTER			1
#define WRITE_DATA				2
#define READ_DATA				3

#define AUTHEN_KEY_PROGRAM_RES			0x0100
#define AUTHEN_KEY_PROGRAM_REQ			0x0001
#define RESULT_READ_REQ				0x0005
#define RPMB_END_ADDRESS			0x4000

#define RPMB_PACKET_SIZE			512

#define WRITE_COUNTER_DATA_LEN_ERROR		0x601
#define WRITE_COUNTER_SECURITY_OUT_ERROR	0x602
#define WRITE_COUNTER_SECURITY_IN_ERROR		0x603
#define WRITE_DATA_LEN_ERROR			0x604
#define WRITE_DATA_SECURITY_OUT_ERROR		0x605
#define WRITE_DATA_RESULT_SECURITY_OUT_ERROR	0x606
#define WRITE_DATA_SECURITY_IN_ERROR		0x607
#define READ_LEN_ERROR				0x608
#define READ_DATA_SECURITY_OUT_ERROR		0x609
#define READ_DATA_SECURITY_IN_ERROR		0x60A

#define PASS_STATUS				0xBABA

#define IS_INCLUDE_RPMB_DEVICE			"0:0:0:1"

#define ON					1
#define OFF					0

#define RPMB_BUF_MAX_SIZE			32 * 1024
#define RELIABLE_WRITE_REQ_SET			(1 << 31)

struct _mmc_rpmb_ctx {
	struct device *dev;
	int irq;
	void *wsm_virtaddr;
	dma_addr_t wsm_phyaddr;
	struct workqueue_struct *srpmb_queue;
	struct work_struct work;
	struct block_device *bdev;
	struct wake_lock wakelock;
};

struct _mmc_rpmb_req {
	uint32_t cmd;

	volatile uint32_t status_flag;
	uint32_t type;
	uint32_t data_len;
	uint32_t inlen;
	uint32_t outlen;
	uint8_t rpmb_data[0];
};

struct rpmb_packet {
       u16     request;
       u16     result;
       u16     count;
       u16     address;
       u32     write_counter;
       u8      nonce[16];
       u8      data[256];
       u8      Key_MAC[32];
       u8      stuff[196];
};

#endif
Commit	Line	Data
60032381 JJ	1	/*
	2	* Secure RPMB header for Exynos MMC RPMB
	3	*
	4	* Copyright (C) 2016 Samsung Electronics Co., Ltd.
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*/
	11
	12	#ifndef _MMC_SRPMB_H
	13	#define _MMC_SRPMB_H
	14
	15	#define GET_WRITE_COUNTER 1
	16	#define WRITE_DATA 2
	17	#define READ_DATA 3
	18
	19	#define AUTHEN_KEY_PROGRAM_RES 0x0100
	20	#define AUTHEN_KEY_PROGRAM_REQ 0x0001
	21	#define RESULT_READ_REQ 0x0005
	22	#define RPMB_END_ADDRESS 0x4000
	23
	24	#define RPMB_PACKET_SIZE 512
	25
	26	#define WRITE_COUNTER_DATA_LEN_ERROR 0x601
	27	#define WRITE_COUNTER_SECURITY_OUT_ERROR 0x602
	28	#define WRITE_COUNTER_SECURITY_IN_ERROR 0x603
	29	#define WRITE_DATA_LEN_ERROR 0x604
	30	#define WRITE_DATA_SECURITY_OUT_ERROR 0x605
	31	#define WRITE_DATA_RESULT_SECURITY_OUT_ERROR 0x606
	32	#define WRITE_DATA_SECURITY_IN_ERROR 0x607
	33	#define READ_LEN_ERROR 0x608
	34	#define READ_DATA_SECURITY_OUT_ERROR 0x609
	35	#define READ_DATA_SECURITY_IN_ERROR 0x60A
	36
	37	#define PASS_STATUS 0xBABA
	38
	39	#define IS_INCLUDE_RPMB_DEVICE "0:0:0:1"
	40
	41	#define ON 1
	42	#define OFF 0
	43
	44	#define RPMB_BUF_MAX_SIZE 32 * 1024
	45	#define RELIABLE_WRITE_REQ_SET (1 << 31)
	46
	47	struct _mmc_rpmb_ctx {
	48	struct device *dev;
	49	int irq;
	50	void *wsm_virtaddr;
	51	dma_addr_t wsm_phyaddr;
	52	struct workqueue_struct *srpmb_queue;
	53	struct work_struct work;
	54	struct block_device *bdev;
	55	struct wake_lock wakelock;
	56	};
	57
	58	struct _mmc_rpmb_req {
	59	uint32_t cmd;
	60
	61	volatile uint32_t status_flag;
	62	uint32_t type;
	63	uint32_t data_len;
	64	uint32_t inlen;
65	uint32_t outlen;
66	uint8_t rpmb_data[0];
67	};
68
69	struct rpmb_packet {
70	u16 request;
71	u16 result;
72	u16 count;
73	u16 address;
74	u32 write_counter;
75	u8 nonce[16];
76	u8 data[256];
77	u8 Key_MAC[32];
78	u8 stuff[196];
79	};
80
81	#endif