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authorHeiko Schocher <hs@denx.de>2014-07-15 16:08:43 +0200
committerTom Rini <trini@ti.com>2014-08-25 19:25:56 -0400
commit4e67c57125290b25467134638cefdcc74c6eebeb (patch)
tree852f1d6cb4cfd9177389166fd2c4b2cb1469e430 /include/mtd
parentddf7bcfa6c5a1d9647046c18e4945f0b0686aec5 (diff)
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mtd,ubi,ubifs: sync with linux v3.15
snyc with linux v3.15: commit 1860e379875dfe7271c649058aeddffe5afd9d0d Author: Linus Torvalds <torvalds@linux-foundation.org> Date: Sun Jun 8 11:19:54 2014 -0700 Linux 3.15 Signed-off-by: Heiko Schocher <hs@denx.de> Cc: Scott Wood <scottwood@freescale.com> Cc: Tom Rini <trini@ti.com>
Diffstat (limited to 'include/mtd')
-rw-r--r--include/mtd/ubi-user.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/mtd/ubi-user.h b/include/mtd/ubi-user.h
index c93914a..22d9004 100644
--- a/include/mtd/ubi-user.h
+++ b/include/mtd/ubi-user.h
@@ -122,6 +122,16 @@
* used. A pointer to a &struct ubi_set_vol_prop_req object is expected to be
* passed. The object describes which property should be set, and to which value
* it should be set.
+ *
+ * Block devices on UBI volumes
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * To create a R/O block device on top of an UBI volume the %UBI_IOCVOLCRBLK
+ * should be used. A pointer to a &struct ubi_blkcreate_req object is expected
+ * to be passed, which is not used and reserved for future usage.
+ *
+ * Conversely, to remove a block device the %UBI_IOCVOLRMBLK should be used,
+ * which takes no arguments.
*/
/*
@@ -179,6 +189,10 @@
/* Set an UBI volume property */
#define UBI_IOCSETVOLPROP _IOW(UBI_VOL_IOC_MAGIC, 6, \
struct ubi_set_vol_prop_req)
+/* Create a R/O block device on top of an UBI volume */
+#define UBI_IOCVOLCRBLK _IOW(UBI_VOL_IOC_MAGIC, 7, struct ubi_blkcreate_req)
+/* Remove the R/O block device */
+#define UBI_IOCVOLRMBLK _IO(UBI_VOL_IOC_MAGIC, 8)
/* Maximum MTD device name length supported by UBI */
#define MAX_UBI_MTD_NAME_LEN 127
@@ -408,4 +422,12 @@ struct ubi_set_vol_prop_req {
__u64 value;
} __packed;
+/**
+ * struct ubi_blkcreate_req - a data structure used in block creation requests.
+ * @padding: reserved for future, not used, has to be zeroed
+ */
+struct ubi_blkcreate_req {
+ __s8 padding[128];
+} __packed;
+
#endif /* __UBI_USER_H__ */