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mtd: add MEMERASE64 ioctl for >4GiB devices

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New MEMERASE/MEMREADOOB/MEMWRITEOOB ioctls are needed in order to support
64-bit offsets into large NAND flash devices.

Signed-off-by: Kevin Cernekee <kpc.mtd@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Kevin Cernekee
2009-04-08 22:52:28 -07:00
committed by David Woodhouse
parent 19fe7f1a00
commit 0dc54e9f33
3 changed files with 28 additions and 8 deletions
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6
include/mtd/mtd-abi.h
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@@ -12,6 +12,11 @@ struct erase_info_user {
__u32 length;
};
struct erase_info_user64 {
__u64 start;
__u64 length;
};
struct mtd_oob_buf {
__u32 start;
__u32 length;
@@ -95,6 +100,7 @@ struct otp_info {
#define ECCGETLAYOUT _IOR('M', 17, struct nand_ecclayout)
#define ECCGETSTATS _IOR('M', 18, struct mtd_ecc_stats)
#define MTDFILEMODE _IO('M', 19)
#define MEMERASE64 _IOW('M', 20, struct erase_info_user64)
/*
* Obsolete legacy interface. Keep it in order not to break userspace