diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mtd/inftl.h | 2 | ||||
| -rw-r--r-- | include/linux/mtd/mtd.h | 4 | ||||
| -rw-r--r-- | include/linux/mtd/nand.h | 9 | ||||
| -rw-r--r-- | include/linux/mtd/nftl.h | 2 | ||||
| -rw-r--r-- | include/linux/mtd/onenand.h | 6 | ||||
| -rw-r--r-- | include/linux/mtd/partitions.h | 2 | ||||
| -rw-r--r-- | include/mtd/mtd-abi.h | 36 | ||||
| -rw-r--r-- | include/mtd/mtd-user.h | 1 |
8 files changed, 43 insertions, 19 deletions
diff --git a/include/linux/mtd/inftl.h b/include/linux/mtd/inftl.h index d7eaa40e5ab0..6977780e548f 100644 --- a/include/linux/mtd/inftl.h +++ b/include/linux/mtd/inftl.h @@ -46,7 +46,7 @@ struct INFTLrecord { unsigned int nb_blocks; /* number of physical blocks */ unsigned int nb_boot_blocks; /* number of blocks used by the bios */ struct erase_info instr; - struct nand_oobinfo oobinfo; + struct nand_ecclayout oobinfo; }; int INFTL_mount(struct INFTLrecord *s); diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 8429da51bb09..48a9df21ab11 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -101,8 +101,8 @@ struct mtd_info { char *name; int index; - /* oobinfo structure pointer - read only ! */ - struct nand_oobinfo *oobinfo; + /* ecc layout structure pointer - read only ! */ + struct nand_ecclayout *ecclayout; /* Data for variable erase regions. If numeraseregions is zero, * it means that the whole device has erasesize as given above. diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index fd46bcf52281..dc2bf1bcf42b 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -244,6 +244,7 @@ struct nand_ecc_ctrl { int total; int prepad; int postpad; + struct nand_ecclayout *layout; void (*hwctl)(struct mtd_info *mtd, int mode); int (*calculate)(struct mtd_info *mtd, const uint8_t *dat, @@ -318,7 +319,7 @@ struct nand_buffers { * @chipsize: [INTERN] the size of one chip for multichip arrays * @pagemask: [INTERN] page number mask = number of (pages / chip) - 1 * @pagebuf: [INTERN] holds the pagenumber which is currently in data_buf - * @autooob: [REPLACEABLE] the default (auto)placement scheme + * @ecclayout: [REPLACEABLE] the default ecc placement scheme * @bbt: [INTERN] bad block table pointer * @bbt_td: [REPLACEABLE] bad block table descriptor for flash lookup * @bbt_md: [REPLACEABLE] bad block table mirror descriptor @@ -368,7 +369,7 @@ struct nand_chip { uint8_t *oob_poi; struct nand_hw_control *controller; - struct nand_oobinfo *autooob; + struct nand_ecclayout *ecclayout; struct nand_ecc_ctrl ecc; struct nand_buffers buffers; @@ -522,7 +523,7 @@ extern int nand_do_read(struct mtd_info *mtd, loff_t from, size_t len, * @partitions: mtd partition list * @chip_delay: R/B delay value in us * @options: Option flags, e.g. 16bit buswidth - * @oobinfo: oob info structure (ecc placement) + * @ecclayout: ecc layout info structure * @priv: hardware controller specific settings */ struct platform_nand_chip { @@ -530,7 +531,7 @@ struct platform_nand_chip { int chip_offset; int nr_partitions; struct mtd_partition *partitions; - struct nand_oobinfo *oobinfo; + struct nand_ecclayout *ecclayout; int chip_delay; unsigned int options; void *priv; diff --git a/include/linux/mtd/nftl.h b/include/linux/mtd/nftl.h index d35d2c21ff3e..bcf2fb3fa4a7 100644 --- a/include/linux/mtd/nftl.h +++ b/include/linux/mtd/nftl.h @@ -37,7 +37,7 @@ struct NFTLrecord { unsigned int nb_blocks; /* number of physical blocks */ unsigned int nb_boot_blocks; /* number of blocks used by the bios */ struct erase_info instr; - struct nand_oobinfo oobinfo; + struct nand_ecclayout oobinfo; }; int NFTL_mount(struct NFTLrecord *s); diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h index 3f5919f2e9da..9ce9a48db444 100644 --- a/include/linux/mtd/onenand.h +++ b/include/linux/mtd/onenand.h @@ -77,7 +77,7 @@ struct onenand_bufferram { * @param chip_lock [INTERN] spinlock used to protect access to this structure and the chip * @param wq [INTERN] wait queue to sleep on if a OneNAND operation is in progress * @param state [INTERN] the current state of the OneNAND device - * @param autooob [REPLACEABLE] the default (auto)placement scheme + * @param ecclayout [REPLACEABLE] the default ecc placement scheme * @param bbm [REPLACEABLE] pointer to Bad Block Management * @param priv [OPTIONAL] pointer to private chip date */ @@ -113,9 +113,9 @@ struct onenand_chip { onenand_state_t state; unsigned char *page_buf; - struct nand_oobinfo *autooob; + struct nand_ecclayout *ecclayout; - void *bbm; + void *bbm; void *priv; }; diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h index b03f512d51b9..da6b3d6f12a7 100644 --- a/include/linux/mtd/partitions.h +++ b/include/linux/mtd/partitions.h @@ -41,7 +41,7 @@ struct mtd_partition { u_int32_t size; /* partition size */ u_int32_t offset; /* offset within the master MTD space */ u_int32_t mask_flags; /* master MTD flags to mask out for this partition */ - struct nand_oobinfo *oobsel; /* out of band layout for this partition (NAND only)*/ + struct nand_ecclayout *ecclayout; /* out of band layout for this partition (NAND only)*/ struct mtd_info **mtdp; /* pointer to store the MTD object */ }; diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h index 1e09e4c8f485..54c673f9648d 100644 --- 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__ */ diff --git a/include/mtd/mtd-user.h b/include/mtd/mtd-user.h index 1c13fc7161fe..713f34d3e62e 100644 --- a/include/mtd/mtd-user.h +++ b/include/mtd/mtd-user.h @@ -16,5 +16,6 @@ typedef struct mtd_info_user mtd_info_t; typedef struct erase_info_user erase_info_t; typedef struct region_info_user region_info_t; typedef struct nand_oobinfo nand_oobinfo_t; +typedef struct nand_ecclayout nand_ecclayout_t; #endif /* __MTD_USER_H__ */ |