Tim Zimmermann | 6a834b7 | 2020-09-03 09:11:59 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Secure RPMB header for Exynos scsi 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 | #ifndef _SCSI_SRPMB_H |
| 12 | #define _SCSI_SRPMB_H |
| 13 | |
| 14 | #include <linux/pm_wakeup.h> |
| 15 | |
| 16 | #define GET_WRITE_COUNTER 1 |
| 17 | #define WRITE_DATA 2 |
| 18 | #define READ_DATA 3 |
| 19 | |
| 20 | #define AUTHEN_KEY_PROGRAM_RES 0x0100 |
| 21 | #define AUTHEN_KEY_PROGRAM_REQ 0x0001 |
| 22 | #define RESULT_READ_REQ 0x0005 |
| 23 | #define RPMB_END_ADDRESS 0x4000 |
| 24 | |
| 25 | #define RPMB_PACKET_SIZE 512 |
| 26 | #define RPMB_REQRES 510 |
| 27 | #define RPMB_RESULT 508 |
| 28 | |
| 29 | |
| 30 | #define WRITE_COUTNER_DATA_LEN_ERROR 0x601 |
| 31 | #define WRITE_COUTNER_SECURITY_OUT_ERROR 0x602 |
| 32 | #define WRITE_COUTNER_SECURITY_IN_ERROR 0x603 |
| 33 | #define WRITE_DATA_LEN_ERROR 0x604 |
| 34 | #define WRITE_DATA_SECURITY_OUT_ERROR 0x605 |
| 35 | #define WRITE_DATA_RESULT_SECURITY_OUT_ERROR 0x606 |
| 36 | #define WRITE_DATA_SECURITY_IN_ERROR 0x607 |
| 37 | #define READ_LEN_ERROR 0x608 |
| 38 | #define READ_DATA_SECURITY_OUT_ERROR 0x609 |
| 39 | #define READ_DATA_SECURITY_IN_ERROR 0x60A |
| 40 | #define RPMB_INVALID_COMMAND 0x60B |
| 41 | #define RPMB_FAIL_SUSPEND_STATUS 0x60C |
| 42 | |
| 43 | #define RPMB_IN_PROGRESS 0xDCDC |
| 44 | #define RPMB_PASSED 0xBABA |
| 45 | |
| 46 | #define IS_INCLUDE_RPMB_DEVICE "0:0:0:1" |
| 47 | |
| 48 | #define ON 1 |
| 49 | #define OFF 0 |
| 50 | |
| 51 | #define RPMB_BUF_MAX_SIZE (32 * 1024) |
| 52 | |
| 53 | struct rpmb_irq_ctx { |
| 54 | struct device *dev; |
| 55 | int irq; |
| 56 | u8 *vir_addr; |
| 57 | dma_addr_t phy_addr; |
| 58 | struct work_struct work; |
| 59 | struct workqueue_struct *srpmb_queue; |
| 60 | struct notifier_block pm_notifier; |
| 61 | struct wakeup_source wakesrc; |
| 62 | spinlock_t lock; |
| 63 | }; |
| 64 | |
| 65 | struct rpmb_packet { |
| 66 | u16 request; |
| 67 | u16 result; |
| 68 | u16 count; |
| 69 | u16 address; |
| 70 | u32 write_counter; |
| 71 | u8 nonce[16]; |
| 72 | u8 data[256]; |
| 73 | u8 Key_MAC[32]; |
| 74 | u8 stuff[196]; |
| 75 | }; |
| 76 | |
| 77 | int init_wsm(struct device *dev); |
| 78 | |
| 79 | #endif /* _SCSI_SRPMB_H */ |