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| author | Loic Pallardy <loic.pallardy-ext@stericsson.com> | 2012-11-17 18:08:24 -0500 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2012-12-06 13:54:46 -0500 |
| commit | 090d25fe224c0933d2b261aad91532e725c1d889 (patch) | |
| tree | ac1ad802de5be2f7acc6d7552c04885ee158d80e /include/linux/mmc | |
| parent | ed9dbb6effc3516a1211a936be9bd67c03fdf858 (diff) | |
| download | op-kernel-dev-090d25fe224c0933d2b261aad91532e725c1d889.zip op-kernel-dev-090d25fe224c0933d2b261aad91532e725c1d889.tar.gz | |
mmc: core: Expose access to RPMB partition
Following JEDEC standard, if the mmc supports RPMB partition,
a new interface is created and exposed via /dev/block.
Users will be able to access RPMB partition using standard
mmc IOCTL commands.
Signed-off-by: Alex Macro <alex.macro@stericsson.com>
Signed-off-by: Loic Pallardy <loic.pallardy@stericsson.com>
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Johan Rudholm <johan.rudholm@stericsson.com>
Acked-by: Krishna Konda <kkonda@codeaurora.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/card.h | 2 | ||||
| -rw-r--r-- | include/linux/mmc/mmc.h | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index 943550df..5c69315 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -85,6 +85,7 @@ struct mmc_ext_csd { bool boot_ro_lockable; u8 raw_exception_status; /* 53 */ u8 raw_partition_support; /* 160 */ + u8 raw_rpmb_size_mult; /* 168 */ u8 raw_erased_mem_count; /* 181 */ u8 raw_ext_csd_structure; /* 194 */ u8 raw_card_type; /* 196 */ @@ -206,6 +207,7 @@ struct mmc_part { #define MMC_BLK_DATA_AREA_MAIN (1<<0) #define MMC_BLK_DATA_AREA_BOOT (1<<1) #define MMC_BLK_DATA_AREA_GP (1<<2) +#define MMC_BLK_DATA_AREA_RPMB (1<<3) }; /* diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h index 01e4b39..94d532e 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -286,6 +286,7 @@ struct _mmc_csd { #define EXT_CSD_BKOPS_START 164 /* W */ #define EXT_CSD_SANITIZE_START 165 /* W */ #define EXT_CSD_WR_REL_PARAM 166 /* RO */ +#define EXT_CSD_RPMB_MULT 168 /* RO */ #define EXT_CSD_BOOT_WP 173 /* R/W */ #define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */ #define EXT_CSD_PART_CONFIG 179 /* R/W */ @@ -339,6 +340,7 @@ struct _mmc_csd { #define EXT_CSD_PART_CONFIG_ACC_MASK (0x7) #define EXT_CSD_PART_CONFIG_ACC_BOOT0 (0x1) +#define EXT_CSD_PART_CONFIG_ACC_RPMB (0x3) #define EXT_CSD_PART_CONFIG_ACC_GP0 (0x4) #define EXT_CSD_PART_SUPPORT_PART_EN (0x1) |
