112 lines
2.7 KiB
C
112 lines
2.7 KiB
C
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/*
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* Secure RPMB header for Exynos scsi rpmb
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*
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* Copyright (C) 2016 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 _SCSI_SRPMB_H
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#define _SCSI_SRPMB_H
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#include <linux/pm_wakeup.h>
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#define GET_WRITE_COUNTER 1
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#define WRITE_DATA 2
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#define READ_DATA 3
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#define AUTHEN_KEY_PROGRAM_RES 0x0100
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#define AUTHEN_KEY_PROGRAM_REQ 0x0001
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#define RESULT_READ_REQ 0x0005
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#define RPMB_END_ADDRESS 0x4000
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#define RPMB_PACKET_SIZE 512
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#define RPMB_REQRES 510
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#define RPMB_RESULT 508
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#define WRITE_COUTNER_DATA_LEN_ERROR 0x601
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#define WRITE_COUTNER_SECURITY_OUT_ERROR 0x602
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#define WRITE_COUTNER_SECURITY_IN_ERROR 0x603
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#define WRITE_DATA_LEN_ERROR 0x604
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#define WRITE_DATA_SECURITY_OUT_ERROR 0x605
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#define WRITE_DATA_RESULT_SECURITY_OUT_ERROR 0x606
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#define WRITE_DATA_SECURITY_IN_ERROR 0x607
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#define READ_LEN_ERROR 0x608
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#define READ_DATA_SECURITY_OUT_ERROR 0x609
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#define READ_DATA_SECURITY_IN_ERROR 0x60A
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#define RPMB_INVALID_COMMAND 0x60B
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#define RPMB_FAIL_SUSPEND_STATUS 0x60C
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#define RPMB_IN_PROGRESS 0xDCDC
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#define RPMB_PASSED 0xBABA
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#define IS_INCLUDE_RPMB_DEVICE "0:0:0:1"
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#define ON 1
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#define OFF 0
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#define RPMB_BUF_MAX_SIZE (64 * 1024)
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#define SCSI_IOCTL_SECURITY_PROTOCOL_IN 7
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#define SCSI_IOCTL_SECURITY_PROTOCOL_OUT 8
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#define MAX_BUFFLEN (64 * 512)
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#define NORMAL_RETRIES 5
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#define SECU_PROT_UFS 0xEC
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#define SECU_PROT_SPEC_CERT_DATA 0x0001
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#define SCSI_W_LUN_BASE 0xc100
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#define UFS_UPIU_MAX_UNIT_NUM_ID 0x7F
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#define UFS_UPIU_WLUN_ID (1 << 7)
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#define UFS_SENSE_SIZE 18
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#define MAX_RETRY 0x100
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#define RPMB_REQ_TIMEOUT (10 * HZ)
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struct rpmb_irq_ctx {
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struct device *dev;
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int irq;
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u8 *vir_addr;
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dma_addr_t phy_addr;
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struct work_struct work;
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struct workqueue_struct *srpmb_queue;
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struct notifier_block pm_notifier;
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struct wakeup_source wakesrc;
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spinlock_t lock;
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};
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struct rpmb_packet {
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u16 request;
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u16 result;
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u16 count;
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u16 address;
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u32 write_counter;
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u8 nonce[16];
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u8 data[256];
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u8 Key_MAC[32];
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u8 stuff[196];
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};
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typedef struct rpmb_req {
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u32 cmd;
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volatile u32 status_flag;
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u32 type;
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u32 data_len;
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u32 inlen;
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u32 outlen;
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u8 rpmb_data[0];
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} Rpmb_Req;
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int srpmb_scsi_ioctl(struct scsi_device *, Rpmb_Req *req);
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int init_wsm(struct device *dev);
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extern void scsi_print_sense_hdr(const struct scsi_device *, const char *,
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const struct scsi_sense_hdr *);
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extern int scsi_block_when_processing_errors(struct scsi_device *);
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#endif /* _SCSI_SRPMB_H */
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