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[2/7] Add new ioctl in userspace

Message ID 53BA49F5.5020605@huawei.com
State RFC
Headers show

Commit Message

hujianyang July 7, 2014, 7:19 a.m. UTC 
Add same ioctl in user space.


Signed-off-by: hujianyang <hujianyang@huawei.com>
---
 include/mtd/ubi-user.h | 15 +++++++++++++++
 ubi-utils/libubi.c     |  8 ++++++++
 2 files changed, 23 insertions(+)
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Patch

diff --git a/include/mtd/ubi-user.h b/include/mtd/ubi-user.h
index 2b50dad..cc867a2 100644
--- a/include/mtd/ubi-user.h
+++ b/include/mtd/ubi-user.h
@@ -200,6 +200,8 @@ 
 #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)
+/* Dump LEB header */
+#define UBI_IOCEBDUMP _IOW(UBI_VOL_IOC_MAGIC, 9, struct ubi_ebdump_req)

 /* Maximum MTD device name length supported by UBI */
 #define MAX_UBI_MTD_NAME_LEN 127
@@ -437,4 +439,17 @@  struct ubi_blkcreate_req {
 	int8_t  padding[128];
 }  __attribute__((packed));

+/**
+ * struct ubi_ebdump_req - a data structure used in dump eraseblock header.
+ * @lnum: logical eraseblock num to dump
+ * @ec_hdr: ec_hdr to set
+ * @vid_hdr: vid_hdr to set
+ */
+struct ubi_ebdump_req {
+	int32_t lnum;
+	int32_t pnum;
+	char	ec_hdr[64];
+	char	vid_hdr[64];
+}  __attribute__((packed));
+
 #endif /* __UBI_USER_H__ */
diff --git a/ubi-utils/libubi.c b/ubi-utils/libubi.c
index 1e08b7d..39bfa1c 100644
--- a/ubi-utils/libubi.c
+++ b/ubi-utils/libubi.c
@@ -1123,6 +1123,14 @@  int ubi_vol_block_remove(int fd)
 	return ioctl(fd, UBI_IOCVOLRMBLK);
 }

+int ubi_leb_dump_header(libubi_t desc, int fd, struct ubi_ebdump_req *request)
+{
+	desc = desc;
+	if (ioctl(fd, UBI_IOCEBDUMP, request))
+		return -1;
+	return 0;
+}
+
 int ubi_update_start(libubi_t desc, int fd, long long bytes)
 {
 	desc = desc;