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-rw-r--r--include/linux/mtd/mtd.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 8485e42a9b0..03a1e954c58 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -110,6 +110,21 @@ struct mtd_oob_ops {
uint8_t *oobbuf;
};
+#define MTD_MAX_OOBFREE_ENTRIES_LARGE 32
+#define MTD_MAX_ECCPOS_ENTRIES_LARGE 448
+#define MTD_MAX_ECCPOS_ENTRIES_OLD 64 /* Previous maximum */
+/*
+ * Correct ECC layout control structure. This replaces old nand_ecclayout
+ * (mtd-abi.h) that is exported via ECCGETLAYOUT ioctl. It should be expandable
+ * in the future simply by the above macros.
+ */
+struct nand_ecclayout {
+ __u32 eccbytes;
+ __u32 eccpos[MTD_MAX_ECCPOS_ENTRIES_LARGE];
+ __u32 oobavail;
+ struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES_LARGE];
+};
+
struct mtd_info {
u_char type;
uint32_t flags;