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authorLoic Pallardy <loic.pallardy-ext@stericsson.com>2012-11-18 03:08:24 +0400
committerChris Ball <cjb@laptop.org>2012-12-06 22:54:46 +0400
commit090d25fe224c0933d2b261aad91532e725c1d889 (patch)
treeac1ad802de5be2f7acc6d7552c04885ee158d80e /include/linux/mmc/mmc.h
parented9dbb6effc3516a1211a936be9bd67c03fdf858 (diff)
downloadlinux-090d25fe224c0933d2b261aad91532e725c1d889.tar.xz
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/mmc.h')
-rw-r--r--include/linux/mmc/mmc.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index 01e4b394029b..94d532e41c61 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)