| /* Copyright (c) 2014, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef _RPMB_H_ |
| #define _RPMB_H_ |
| |
| #include <qseecom_lk_api.h> |
| #include <mmc_sdhci.h> |
| #include <ufs.h> |
| #include <debug.h> |
| |
| #define RPMB_SECTOR_SIZE 256 |
| #define RPMB_LSTNR_ID 0x2000 |
| #define RPMB_BLK_SIZE 512 |
| #define RPMB_FRAME_SIZE 512 |
| #define RPMB_MIN_BLK_CNT 1 |
| #define RPMB_MIN_BLK_SZ 512 |
| |
| enum app_commands |
| { |
| CLIENT_CMD_READ_LK_DEVICE_STATE = 0, |
| CLIENT_CMD_LK_END_MILESTONE, |
| CLIENT_CMD_GET_VERSION, |
| CLIENT_CMD_WRITE_LK_DEVICE_STATE, |
| }; |
| |
| struct send_cmd_req |
| { |
| uint32_t cmd_id; |
| uint32_t data; |
| uint32_t len; |
| }__PACKED; |
| |
| struct send_cmd_rsp |
| { |
| uint32_t cmd_id; |
| uint32_t data; |
| int32_t status; |
| }__PACKED; |
| |
| enum device_type |
| { |
| EMMC_RPMB = 3, |
| UFS_RPMB = 9, |
| }; |
| |
| /* RPMB request and response types */ |
| enum rpmb_rr_type { |
| KEY_PROVISION = 0x1, |
| READ_WRITE_COUNTER, |
| AUTH_WRITE, |
| AUTH_READ, |
| READ_RESULT_FLAG, |
| }; |
| |
| /* List of all return codes for rpmb frame verification from response */ |
| enum rpmb_verify_return_codes |
| { |
| NONCE_MISMATCH = 0x100, |
| }; |
| |
| /* These are error codes returned for RPMB operations */ |
| enum rpmb_verify_error_codes |
| { |
| OPERATION_OK = 0, |
| GENERAL_FAILURE, |
| AUTH_FAILURE, |
| COUNTER_FAILURE, |
| ADDRESS_FAILURE, |
| WRITE_FAILURE, |
| READ_FAILURE, |
| KEY_NOT_PROG, |
| MAXED_WR_COUNTER = 0x80, |
| }; |
| |
| /* RPMB Frame */ |
| struct rpmb_frame |
| { |
| uint8_t stuff_bytes[196]; |
| uint8_t keyMAC[32]; |
| uint8_t data[256]; |
| uint8_t nonce[16]; |
| uint8_t writecounter[4]; |
| uint8_t address[2]; |
| uint8_t blockcount[2]; |
| uint8_t result[2]; |
| uint8_t requestresponse[2]; |
| }; |
| |
| struct rpmb_init_info |
| { |
| uint32_t size; |
| uint32_t rel_wr_count; |
| uint32_t dev_type; |
| }; |
| |
| /* dump a given RPMB frame */ |
| static inline void dump_rpmb_frame(uint8_t *frame, const char *frame_type) |
| { |
| int i; |
| char buf[512] = {0}; |
| char *p = buf; |
| |
| printf("Printing %s frame (in hex)\n", frame_type); |
| printf("________0__1__2__3__4__5__6__7__8__9__A__B__C__D__E__F__0__1__2__3__4__5__6__7__8__9__A__B__C__D__E__F\n"); |
| for (i = 0; i < 512; i++) { |
| if (!(i % 32)) { |
| snprintf(p, 8, "| %2d | ", (i + 1) / 32); |
| p += 7; |
| } |
| snprintf(p, 4, "%.2x ", frame[i]); |
| p += 3; |
| if (((i + 1) % 32) == 0) { |
| printf("%s\n", buf); |
| p = buf; |
| } |
| } |
| printf("________F__E__D__C__B__A__9__8__7__6__5__4__3__2__1__0__F__E__D__C__B__A__9__8__7__6__5__4__3__2__1__0\n"); |
| } |
| |
| int read_device_info_rpmb(void *info, uint32_t sz); |
| int write_device_info_rpmb(void *info, uint32_t sz); |
| |
| /* Function Prototypes */ |
| int rpmb_write_emmc(struct mmc_device *dev, uint32_t *req_buf, uint32_t blk_cnt, uint32_t *resp_buf, uint32_t *resp_len); |
| int rpmb_read_emmc(struct mmc_device *dev, uint32_t *req_buf, uint32_t blk_cnt, uint32_t *resp_buf, uint32_t *resp_len); |
| int rpmb_write_ufs(struct ufs_dev *dev, uint32_t *req_buf, uint32_t blk_cnt, uint32_t *resp_buf, uint32_t *resp_len); |
| int rpmb_read_ufs(struct ufs_dev *dev, uint32_t *req_buf, uint32_t blk_cnt, uint32_t *resp_buf, uint32_t *resp_len); |
| |
| /* APIs exposed to applications */ |
| int rpmb_init(); |
| int rpmb_uninit(); |
| int rpmb_write(uint32_t *req_buf, uint32_t blk_cnt, uint32_t *resp_buf, uint32_t *resp_len); |
| int rpmb_read(uint32_t *req_buf, uint32_t blk_cnt, uint32_t *resp_buf, uint32_t *resp_len); |
| struct rpmb_init_info *rpmb_get_init_info(); |
| int rpmb_get_app_handle(); |
| bool is_sec_app_loaded(); |
| int load_sec_app(); |
| int unload_sec_app(); |
| #endif |