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authorJungseung Lee <js07.lee@samsung.com>2016-12-22 06:37:34 +0300
committerUlf Hansson <ulf.hansson@linaro.org>2017-02-13 15:19:52 +0300
commit46bc5c408e4e325efbfff26609c76099979180a7 (patch)
treee9301cd487bba765e3db01d8683ebcda3f5b1465 /include/linux/mmc/card.h
parentb1c95170f97ef19ff63a6da1eb2c70899186aecc (diff)
downloadlinux-46bc5c408e4e325efbfff26609c76099979180a7.tar.xz
mmc: core: Export device lifetime information through sysfs
In the eMMC 5.0 version of the spec, several EXT_CSD fields about device lifetime are added. - Two types of estimated indications reflected by averaged wear out of memory - An indication reflected by average reserved blocks Export the information through sysfs. Signed-off-by: Jungseung Lee <js07.lee@samsung.com> Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'include/linux/mmc/card.h')
-rw-r--r--include/linux/mmc/card.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 95d69d498296..00449e51838a 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -121,6 +121,9 @@ struct mmc_ext_csd {
u8 raw_pwr_cl_ddr_200_360; /* 253 */
u8 raw_bkops_status; /* 246 */
u8 raw_sectors[4]; /* 212 - 4 bytes */
+ u8 pre_eol_info; /* 267 */
+ u8 device_life_time_est_typ_a; /* 268 */
+ u8 device_life_time_est_typ_b; /* 269 */
unsigned int feature_support;
#define MMC_DISCARD_FEATURE BIT(0) /* CMD38 feature */