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Jan KiszkaandPhilippe Mathieu-Daudé
8ef4260a3f
The Replay Protected Memory Block (RPMB) is available since eMMC 4.4 which has been obsoleted by 4.41. Therefore lift the provided EXT_CSD_REV to 5 (4.41) and provide the basic logic to implement basic support for it. This allows to set the authentication key, read the write counter and authenticated perform data read and write requests. Those aren't actually authenticated yet, support for that will be added later. The RPMB image needs to be added to backing block images after potential boot partitions and before the user data. It's size is controlled by the rpmb-partition-size property. Also missing in this version (and actually not only for RPMB bits) is persistence of registers that are supposed to survive power cycles. Most prominent are the write counters or the authentication key. This feature can be added later, e.g. by append a state structure to the backing block image. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-ID: <d57388b599e47f5c95f30be7571b77f9016289eb.1762261430.git.jan.kiszka@siemens.com> Tested-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
149 lines
6.1 KiB
C
149 lines
6.1 KiB
C
/*
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* SD/MMC cards common
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*
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* Copyright (c) 2018 Philippe Mathieu-Daudé <f4bug@amsat.org>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef SDMMC_INTERNAL_H
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#define SDMMC_INTERNAL_H
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#define TYPE_SDMMC_COMMON "sdmmc-common"
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DECLARE_OBJ_CHECKERS(SDState, SDCardClass, SDMMC_COMMON, TYPE_SDMMC_COMMON)
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/*
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* EXT_CSD Modes segment
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*
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* Define the configuration the Device is working in.
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* These modes can be changed by the host by means of the SWITCH command.
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*/
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#define EXT_CSD_CMDQ_MODE_EN 15 /* R/W */
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#define EXT_CSD_FLUSH_CACHE 32 /* W */
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#define EXT_CSD_CACHE_CTRL 33 /* R/W */
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#define EXT_CSD_POWER_OFF_NOTIFICATION 34 /* R/W */
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#define EXT_CSD_PACKED_FAILURE_INDEX 35 /* RO */
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#define EXT_CSD_PACKED_CMD_STATUS 36 /* RO */
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#define EXT_CSD_EXP_EVENTS_STATUS 54 /* RO, 2 bytes */
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#define EXT_CSD_EXP_EVENTS_CTRL 56 /* R/W, 2 bytes */
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#define EXT_CSD_CLASS_6_CTRL 59
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#define EXT_CSD_INI_TIMEOUT_EMU 60
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#define EXT_CSD_DATA_SECTOR_SIZE 61 /* R */
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#define EXT_CSD_USE_NATIVE_SECTOR 62
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#define EXT_CSD_NATIVE_SECTOR_SIZE 63
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#define EXT_CSD_VENDOR_SPECIFIC_FIELD 64 /* 64 bytes */
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#define EXT_CSD_PROGRAM_CID_CSD_DDR_SUPPORT 130
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#define EXT_CSD_PERIODIC_WAKEUP 131
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#define EXT_CSD_TCASE_SUPPORT 132
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#define EXT_CSD_SEC_BAD_BLK_MGMNT 134
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#define EXT_CSD_GP_SIZE_MULT 143 /* R/W */
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#define EXT_CSD_PARTITION_SETTING_COMPLETED 155 /* R/W */
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#define EXT_CSD_PARTITION_ATTRIBUTE 156 /* R/W */
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#define EXT_CSD_MAX_ENH_SIZE_MULT 157 /* RO, 3 bytes */
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#define EXT_CSD_PARTITION_SUPPORT 160 /* RO */
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#define EXT_CSD_HPI_MGMT 161 /* R/W */
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#define EXT_CSD_RST_N_FUNCTION 162 /* R/W */
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#define EXT_CSD_BKOPS_EN 163 /* R/W */
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#define EXT_CSD_BKOPS_START 164 /* W */
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#define EXT_CSD_SANITIZE_START 165 /* W */
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#define EXT_CSD_WR_REL_PARAM 166 /* RO */
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#define EXT_CSD_WR_REL_SET 167
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#define EXT_CSD_RPMB_MULT 168 /* RO */
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#define EXT_CSD_FW_CONFIG 169 /* R/W */
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#define EXT_CSD_USER_WP 171
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#define EXT_CSD_BOOT_WP 173 /* R/W */
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#define EXT_CSD_BOOT_WP_STATUS 174
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#define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */
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#define EXT_CSD_BOOT_BUS_CONDITIONS 177
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#define EXT_CSD_BOOT_CONFIG_PROT 178
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#define EXT_CSD_PART_CONFIG 179 /* R/W */
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#define EXT_CSD_ERASED_MEM_CONT 181 /* RO */
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#define EXT_CSD_BUS_WIDTH 183 /* R/W */
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#define EXT_CSD_STROBE_SUPPORT 184 /* RO */
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#define EXT_CSD_HS_TIMING 185 /* R/W */
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#define EXT_CSD_POWER_CLASS 187 /* R/W */
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#define EXT_CSD_CMD_SET_REV 189
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#define EXT_CSD_CMD_SET 191
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/*
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* EXT_CSD Properties segment
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*
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* Define the Device capabilities, cannot be modified by the host.
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*/
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#define EXT_CSD_REV 192
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#define EXT_CSD_STRUCTURE 194
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#define EXT_CSD_CARD_TYPE 196
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#define EXT_CSD_DRIVER_STRENGTH 197
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#define EXT_CSD_OUT_OF_INTERRUPT_TIME 198
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#define EXT_CSD_PART_SWITCH_TIME 199
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#define EXT_CSD_PWR_CL_52_195 200
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#define EXT_CSD_PWR_CL_26_195 201
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#define EXT_CSD_PWR_CL_52_360 202
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#define EXT_CSD_PWR_CL_26_360 203
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#define EXT_CSD_SEC_CNT 212 /* 4 bytes */
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#define EXT_CSD_S_A_TIMEOUT 217
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#define EXT_CSD_S_C_VCCQ 219
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#define EXT_CSD_S_C_VCC 220
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#define EXT_CSD_REL_WR_SEC_C 222
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#define EXT_CSD_HC_WP_GRP_SIZE 221
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#define EXT_CSD_ERASE_TIMEOUT_MULT 223
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#define EXT_CSD_HC_ERASE_GRP_SIZE 224
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#define EXT_CSD_ACC_SIZE 225
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#define EXT_CSD_BOOT_MULT 226
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#define EXT_CSD_BOOT_INFO 228
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#define EXT_CSD_SEC_FEATURE_SUPPORT 231
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#define EXT_CSD_TRIM_MULT 232
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#define EXT_CSD_INI_TIMEOUT_PA 241
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#define EXT_CSD_BKOPS_STATUS 246
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#define EXT_CSD_POWER_OFF_LONG_TIME 247
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#define EXT_CSD_GENERIC_CMD6_TIME 248
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#define EXT_CSD_CACHE_SIZE 249 /* 4 bytes */
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#define EXT_CSD_EXT_SUPPORT 494
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#define EXT_CSD_LARGE_UNIT_SIZE_M1 495
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#define EXT_CSD_CONTEXT_CAPABILITIES 496
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#define EXT_CSD_TAG_RES_SIZE 497
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#define EXT_CSD_TAG_UNIT_SIZE 498
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#define EXT_CSD_DATA_TAG_SUPPORT 499
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#define EXT_CSD_MAX_PACKED_WRITES 500
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#define EXT_CSD_MAX_PACKED_READS 501
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#define EXT_CSD_BKOPS_SUPPORT 502
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#define EXT_CSD_HPI_FEATURES 503
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#define EXT_CSD_S_CMD_SET 504
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#define EXT_CSD_WR_REL_PARAM_EN (1 << 2)
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#define EXT_CSD_WR_REL_PARAM_EN_RPMB_REL_WR (1 << 4)
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#define EXT_CSD_PART_CONFIG_ACC_MASK (0x7)
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#define EXT_CSD_PART_CONFIG_ACC_DEFAULT (0x0)
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#define EXT_CSD_PART_CONFIG_ACC_BOOT1 (0x1)
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#define EXT_CSD_PART_CONFIG_ACC_BOOT2 (0x2)
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#define EXT_CSD_PART_CONFIG_ACC_RPMB (0x3)
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#define EXT_CSD_PART_CONFIG_EN_MASK (0x7 << 3)
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#define EXT_CSD_PART_CONFIG_EN_BOOT0 (0x1 << 3)
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#define EXT_CSD_PART_CONFIG_EN_USER (0x7 << 3)
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#define RPMB_REQ_PROGRAM_AUTH_KEY (1)
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#define RPMB_REQ_READ_WRITE_COUNTER (2)
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#define RPMB_REQ_AUTH_DATA_WRITE (3)
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#define RPMB_REQ_AUTH_DATA_READ (4)
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#define RPMB_REQ_READ_RESULT (5)
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#define RPMB_REQ_AUTH_CONFIG_WRITE (6)
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#define RPMB_REQ_AUTH_CONFIG_READ (7)
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#define RPMB_RESP(__req__) ((__req__) << 8)
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#define RPMB_RESULT_OK (0)
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#define RPMB_RESULT_GENERAL_FAILURE (1)
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#define RPMB_RESULT_AUTH_FAILURE (2)
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#define RPMB_RESULT_COUNTER_FAILURE (3)
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#define RPMB_RESULT_ADDRESS_FAILURE (4)
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#define RPMB_RESULT_WRITE_FAILURE (5)
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#define RPMB_RESULT_READ_FAILURE (6)
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#define RPMB_RESULT_NO_AUTH_KEY (7)
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#define RPMB_RESULT_COUTER_EXPIRED (0x80)
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#endif
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