[MTD] NAND Replace oobinfo by ecclayout

[pandora-kernel.git] / include / mtd / mtd-abi.h

diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h
index 1e09e4c..54c673f 100644 (file)
--- a/include/mtd/mtd-abi.h
+++ b/include/mtd/mtd-abi.h
@@ -82,12 +82,12 @@ struct otp_info {
        uint32_t locked;
 };
 
-#define MEMGETINFO              _IOR('M', 1, struct mtd_info_user)
-#define MEMERASE                _IOW('M', 2, struct erase_info_user)
-#define MEMWRITEOOB             _IOWR('M', 3, struct mtd_oob_buf)
-#define MEMREADOOB              _IOWR('M', 4, struct mtd_oob_buf)
-#define MEMLOCK                 _IOW('M', 5, struct erase_info_user)
-#define MEMUNLOCK               _IOW('M', 6, struct erase_info_user)
+#define MEMGETINFO             _IOR('M', 1, struct mtd_info_user)
+#define MEMERASE               _IOW('M', 2, struct erase_info_user)
+#define MEMWRITEOOB            _IOWR('M', 3, struct mtd_oob_buf)
+#define MEMREADOOB             _IOWR('M', 4, struct mtd_oob_buf)
+#define MEMLOCK                        _IOW('M', 5, struct erase_info_user)
+#define MEMUNLOCK              _IOW('M', 6, struct erase_info_user)
 #define MEMGETREGIONCOUNT      _IOR('M', 7, int)
 #define MEMGETREGIONINFO       _IOWR('M', 8, struct region_info_user)
 #define MEMSETOOBSEL           _IOW('M', 9, struct nand_oobinfo)
@@ -97,8 +97,13 @@ struct otp_info {
 #define OTPSELECT              _IOR('M', 13, int)
 #define OTPGETREGIONCOUNT      _IOW('M', 14, int)
 #define OTPGETREGIONINFO       _IOW('M', 15, struct otp_info)
-#define OTPLOCK                _IOR('M', 16, struct otp_info)
+#define OTPLOCK                        _IOR('M', 16, struct otp_info)
+#define ECCGETLAYOUT           _IOR('M', 17, struct nand_ecclayout)
 
+/*
+ * Obsolete legacy interface. Keep it in order not to break userspace
+ * interfaces
+ */
 struct nand_oobinfo {
        uint32_t useecc;
        uint32_t eccbytes;
@@ -106,4 +111,21 @@ struct nand_oobinfo {
        uint32_t eccpos[32];
 };
 
+struct nand_oobfree {
+       uint32_t offset;
+       uint32_t length;
+};
+
+#define MTD_MAX_OOBFREE_ENTRIES        8
+/*
+ * ECC layout control structure. Exported to userspace for
+ * diagnosis and to allow creation of raw images
+ */
+struct nand_ecclayout {
+       uint32_t eccbytes;
+       uint32_t eccpos[64];
+       uint32_t oobavail;
+       struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES];
+};
+
 #endif /* __MTD_ABI_H__ */