X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fmtd%2Fmtd-abi.h;h=f913c30d7b8976754e4c0008eb5c2db8eca44e08;hb=refs%2Fheads%2Fvserver;hp=b5994ea56a5a19ba6aae6f297e370ea9bd1b4d60;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h
index b5994ea56..f913c30d7 100644
--- a/include/mtd/mtd-abi.h
+++ b/include/mtd/mtd-abi.h
@@ -7,11 +7,6 @@
 #ifndef __MTD_ABI_H__
 #define __MTD_ABI_H__
 
-#ifndef __KERNEL__ /* Urgh. The whole point of splitting this out into
-		    separate files was to avoid #ifdef __KERNEL__ */
-#define __user
-#endif
-
 struct erase_info_user {
 	uint32_t start;
 	uint32_t length;
@@ -28,28 +23,18 @@ struct mtd_oob_buf {
 #define MTD_ROM			2
 #define MTD_NORFLASH		3
 #define MTD_NANDFLASH		4
-#define MTD_PEROM		5
 #define MTD_DATAFLASH		6
-#define MTD_OTHER		14
-#define MTD_UNKNOWN		15
-
-#define MTD_CLEAR_BITS		1       // Bits can be cleared (flash)
-#define MTD_SET_BITS		2       // Bits can be set
-#define MTD_ERASEABLE		4       // Has an erase function
-#define MTD_WRITEB_WRITEABLE	8       // Direct IO is possible
-#define MTD_VOLATILE		16      // Set for RAMs
-#define MTD_XIP			32	// eXecute-In-Place possible
-#define MTD_OOB			64	// Out-of-band data (NAND flash)
-#define MTD_ECC			128	// Device capable of automatic ECC
-#define MTD_NO_VIRTBLOCKS	256	// Virtual blocks not allowed
-#define MTD_PROGRAM_REGIONS	512	// Configurable Programming Regions
+
+#define MTD_WRITEABLE		0x400	/* Device is writeable */
+#define MTD_BIT_WRITEABLE	0x800	/* Single bits can be flipped */
+#define MTD_NO_ERASE		0x1000	/* No erase necessary */
+#define MTD_STUPID_LOCK		0x2000	/* Always locked after reset */
 
 // Some common devices / combinations of capabilities
 #define MTD_CAP_ROM		0
-#define MTD_CAP_RAM		(MTD_CLEAR_BITS|MTD_SET_BITS|MTD_WRITEB_WRITEABLE)
-#define MTD_CAP_NORFLASH        (MTD_CLEAR_BITS|MTD_ERASEABLE)
-#define MTD_CAP_NANDFLASH       (MTD_CLEAR_BITS|MTD_ERASEABLE|MTD_OOB)
-#define MTD_WRITEABLE		(MTD_CLEAR_BITS|MTD_SET_BITS)
+#define MTD_CAP_RAM		(MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE)
+#define MTD_CAP_NORFLASH	(MTD_WRITEABLE | MTD_BIT_WRITEABLE)
+#define MTD_CAP_NANDFLASH	(MTD_WRITEABLE)
 
 
 // Types of automatic ECC/Checksum available
@@ -74,7 +59,7 @@ struct mtd_info_user {
 	uint32_t flags;
 	uint32_t size;	 // Total size of the MTD
 	uint32_t erasesize;
-	uint32_t oobblock;  // Size of OOB blocks (e.g. 512)
+	uint32_t writesize;
 	uint32_t oobsize;   // Amount of OOB data per block (e.g. 16)
 	uint32_t ecctype;
 	uint32_t eccsize;
@@ -94,12 +79,12 @@ 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)
@@ -109,8 +94,15 @@ 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)
+#define ECCGETSTATS		_IOR('M', 18, struct mtd_ecc_stats)
+#define MTDFILEMODE		_IO('M', 19)
 
+/*
+ * Obsolete legacy interface. Keep it in order not to break userspace
+ * interfaces
+ */
 struct nand_oobinfo {
 	uint32_t useecc;
 	uint32_t eccbytes;
@@ -118,4 +110,46 @@ 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];
+};
+
+/**
+ * struct mtd_ecc_stats - error correction stats
+ *
+ * @corrected:	number of corrected bits
+ * @failed:	number of uncorrectable errors
+ * @badblocks:	number of bad blocks in this partition
+ * @bbtblocks:	number of blocks reserved for bad block tables
+ */
+struct mtd_ecc_stats {
+	uint32_t corrected;
+	uint32_t failed;
+	uint32_t badblocks;
+	uint32_t bbtblocks;
+};
+
+/*
+ * Read/write file modes for access to MTD
+ */
+enum mtd_file_modes {
+	MTD_MODE_NORMAL = MTD_OTP_OFF,
+	MTD_MODE_OTP_FACTORY = MTD_OTP_FACTORY,
+	MTD_MODE_OTP_USER = MTD_OTP_USER,
+	MTD_MODE_RAW,
+};
+
 #endif /* __MTD_ABI_H__ */