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authorAndrei Warkentin <andreiw@motorola.com>2011-03-31 18:40:00 -0500
committerChris Ball <cjb@laptop.org>2011-05-24 20:59:38 -0400
commitf4c5522b0a8827f39f83f928961d87e081bfe71c (patch)
tree3c2126f0adb2a3444b2fd152cc1a880c192c9d77 /include/linux/mmc/mmc.h
parent766a6bf6e987ff5f5085c614b5a62a55006b6a7e (diff)
mmc: Reliable write support.
Allows reliable writes to be used for MMC writes. Reliable writes are used to service write REQ_FUA/REQ_META requests. Handles both the legacy and the enhanced reliable write support in MMC cards. Signed-off-by: Andrei Warkentin <andreiw@motorola.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'include/linux/mmc/mmc.h')
-rw-r--r--include/linux/mmc/mmc.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index b5ec88fd135..390aa6eef67 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -255,6 +255,7 @@ struct _mmc_csd {
#define EXT_CSD_PARTITION_ATTRIBUTE 156 /* R/W */
#define EXT_CSD_PARTITION_SUPPORT 160 /* RO */
+#define EXT_CSD_WR_REL_PARAM 166 /* RO */
#define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */
#define EXT_CSD_BOOT_CONFIG 179 /* R/W */
#define EXT_CSD_ERASED_MEM_CONT 181 /* RO */
@@ -265,6 +266,7 @@ struct _mmc_csd {
#define EXT_CSD_CARD_TYPE 196 /* RO */
#define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */
#define EXT_CSD_S_A_TIMEOUT 217 /* RO */
+#define EXT_CSD_REL_WR_SEC_C 222 /* RO */
#define EXT_CSD_HC_WP_GRP_SIZE 221 /* RO */
#define EXT_CSD_ERASE_TIMEOUT_MULT 223 /* RO */
#define EXT_CSD_HC_ERASE_GRP_SIZE 224 /* RO */
@@ -277,6 +279,8 @@ struct _mmc_csd {
* EXT_CSD field definitions
*/
+#define EXT_CSD_WR_REL_PARAM_EN (1<<2)
+
#define EXT_CSD_CMD_SET_NORMAL (1<<0)
#define EXT_CSD_CMD_SET_SECURE (1<<1)
#define EXT_CSD_CMD_SET_CPSECURE (1<<2)