cee4cca740
* git://git.infradead.org/hdrcleanup-2.6: (63 commits) [S390] __FD_foo definitions. Switch to __s32 types in joystick.h instead of C99 types for consistency. Add <sys/types.h> to headers included for userspace in <linux/input.h> Move inclusion of <linux/compat.h> out of user scope in asm-x86_64/mtrr.h Remove struct fddi_statistics from user view in <linux/if_fddi.h> Move user-visible parts of drivers/s390/crypto/z90crypt.h to include/asm-s390 Revert include/media changes: Mauro says those ioctls are only used in-kernel(!) Include <linux/types.h> and use __uXX types in <linux/cramfs_fs.h> Use __uXX types in <linux/i2o_dev.h>, include <linux/ioctl.h> too Remove private struct dx_hash_info from public view in <linux/ext3_fs.h> Include <linux/types.h> and use __uXX types in <linux/affs_hardblocks.h> Use __uXX types in <linux/divert.h> for struct divert_blk et al. Use __u32 for elf_addr_t in <asm-powerpc/elf.h>, not u32. It's user-visible. Remove PPP_FCS from user view in <linux/ppp_defs.h>, remove __P mess entirely Use __uXX types in user-visible structures in <linux/nbd.h> Don't use 'u32' in user-visible struct ip_conntrack_old_tuple. Use __uXX types for S390 DASD volume label definitions which are user-visible S390 BIODASDREADCMB ioctl should use __u64 not u64 type. Remove unneeded inclusion of <linux/time.h> from <linux/ufs_fs.h> Fix private integer types used in V4L2 ioctls. ... Manually resolve conflict in include/linux/mtd/physmap.h
160 lines
4.4 KiB
C
160 lines
4.4 KiB
C
/*
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* $Id: mtd-abi.h,v 1.13 2005/11/07 11:14:56 gleixner Exp $
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*
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* Portions of MTD ABI definition which are shared by kernel and user space
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*/
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#ifndef __MTD_ABI_H__
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#define __MTD_ABI_H__
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#ifndef __KERNEL__
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/* Urgh. The whole point of splitting this out into
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separate files was to avoid #ifdef __KERNEL__ */
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#define __user
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#endif
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struct erase_info_user {
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uint32_t start;
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uint32_t length;
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};
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struct mtd_oob_buf {
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uint32_t start;
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uint32_t length;
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unsigned char __user *ptr;
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};
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#define MTD_ABSENT 0
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#define MTD_RAM 1
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#define MTD_ROM 2
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#define MTD_NORFLASH 3
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#define MTD_NANDFLASH 4
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#define MTD_DATAFLASH 6
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#define MTD_WRITEABLE 0x400 /* Device is writeable */
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#define MTD_BIT_WRITEABLE 0x800 /* Single bits can be flipped */
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#define MTD_NO_ERASE 0x1000 /* No erase necessary */
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// Some common devices / combinations of capabilities
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#define MTD_CAP_ROM 0
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#define MTD_CAP_RAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE)
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#define MTD_CAP_NORFLASH (MTD_WRITEABLE | MTD_BIT_WRITEABLE)
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#define MTD_CAP_NANDFLASH (MTD_WRITEABLE)
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// Types of automatic ECC/Checksum available
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#define MTD_ECC_NONE 0 // No automatic ECC available
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#define MTD_ECC_RS_DiskOnChip 1 // Automatic ECC on DiskOnChip
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#define MTD_ECC_SW 2 // SW ECC for Toshiba & Samsung devices
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/* ECC byte placement */
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#define MTD_NANDECC_OFF 0 // Switch off ECC (Not recommended)
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#define MTD_NANDECC_PLACE 1 // Use the given placement in the structure (YAFFS1 legacy mode)
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#define MTD_NANDECC_AUTOPLACE 2 // Use the default placement scheme
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#define MTD_NANDECC_PLACEONLY 3 // Use the given placement in the structure (Do not store ecc result on read)
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#define MTD_NANDECC_AUTOPL_USR 4 // Use the given autoplacement scheme rather than using the default
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/* OTP mode selection */
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#define MTD_OTP_OFF 0
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#define MTD_OTP_FACTORY 1
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#define MTD_OTP_USER 2
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struct mtd_info_user {
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uint8_t type;
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uint32_t flags;
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uint32_t size; // Total size of the MTD
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uint32_t erasesize;
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uint32_t writesize;
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uint32_t oobsize; // Amount of OOB data per block (e.g. 16)
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uint32_t ecctype;
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uint32_t eccsize;
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};
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struct region_info_user {
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uint32_t offset; /* At which this region starts,
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* from the beginning of the MTD */
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uint32_t erasesize; /* For this region */
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uint32_t numblocks; /* Number of blocks in this region */
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uint32_t regionindex;
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};
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struct otp_info {
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uint32_t start;
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uint32_t length;
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uint32_t locked;
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};
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#define MEMGETINFO _IOR('M', 1, struct mtd_info_user)
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#define MEMERASE _IOW('M', 2, struct erase_info_user)
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#define MEMWRITEOOB _IOWR('M', 3, struct mtd_oob_buf)
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#define MEMREADOOB _IOWR('M', 4, struct mtd_oob_buf)
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#define MEMLOCK _IOW('M', 5, struct erase_info_user)
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#define MEMUNLOCK _IOW('M', 6, struct erase_info_user)
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#define MEMGETREGIONCOUNT _IOR('M', 7, int)
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#define MEMGETREGIONINFO _IOWR('M', 8, struct region_info_user)
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#define MEMSETOOBSEL _IOW('M', 9, struct nand_oobinfo)
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#define MEMGETOOBSEL _IOR('M', 10, struct nand_oobinfo)
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#define MEMGETBADBLOCK _IOW('M', 11, loff_t)
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#define MEMSETBADBLOCK _IOW('M', 12, loff_t)
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#define OTPSELECT _IOR('M', 13, int)
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#define OTPGETREGIONCOUNT _IOW('M', 14, int)
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#define OTPGETREGIONINFO _IOW('M', 15, struct otp_info)
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#define OTPLOCK _IOR('M', 16, struct otp_info)
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#define ECCGETLAYOUT _IOR('M', 17, struct nand_ecclayout)
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#define ECCGETSTATS _IOR('M', 18, struct mtd_ecc_stats)
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#define MTDFILEMODE _IO('M', 19)
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/*
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* Obsolete legacy interface. Keep it in order not to break userspace
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* interfaces
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*/
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struct nand_oobinfo {
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uint32_t useecc;
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uint32_t eccbytes;
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uint32_t oobfree[8][2];
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uint32_t eccpos[32];
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};
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struct nand_oobfree {
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uint32_t offset;
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uint32_t length;
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};
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#define MTD_MAX_OOBFREE_ENTRIES 8
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/*
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* ECC layout control structure. Exported to userspace for
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* diagnosis and to allow creation of raw images
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*/
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struct nand_ecclayout {
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uint32_t eccbytes;
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uint32_t eccpos[64];
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uint32_t oobavail;
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struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES];
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};
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/**
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* struct mtd_ecc_stats - error correction status
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*
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* @corrected: number of corrected bits
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* @failed: number of uncorrectable errors
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* @badblocks: number of bad blocks in this partition
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* @bbtblocks: number of blocks reserved for bad block tables
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*/
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struct mtd_ecc_stats {
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uint32_t corrected;
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uint32_t failed;
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uint32_t badblocks;
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uint32_t bbtblocks;
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};
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/*
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* Read/write file modes for access to MTD
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*/
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enum mtd_file_modes {
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MTD_MODE_NORMAL = MTD_OTP_OFF,
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MTD_MODE_OTP_FACTORY = MTD_OTP_FACTORY,
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MTD_MODE_OTP_USER = MTD_OTP_USER,
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MTD_MODE_RAW,
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};
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#endif /* __MTD_ABI_H__ */
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