X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_guts.h;h=643e5750954784e1cfb2cdd2a5ac6f4268eb4c76;hp=a9fdde2213c46b315b56ab333754852867b4cab7;hb=e81a96058aa89f6812e3c5224e26b4b44da3c143;hpb=e49491a81d17bbede16583e9cd2498ede4ed2322 diff --git a/yaffs_guts.h b/yaffs_guts.h index a9fdde2..643e575 100644 --- a/yaffs_guts.h +++ b/yaffs_guts.h @@ -54,6 +54,8 @@ YAFFS_TNODES_MAX_LEVEL) #define YAFFS_MAX_CHUNK_ID ((1 << YAFFS_TNODES_MAX_BITS) - 1) +#define YAFFS_MAX_FILE_SIZE_32 0x7fffffff + /* Constants for YAFFS1 mode */ #define YAFFS_BYTES_PER_SPARE 16 #define YAFFS_BYTES_PER_CHUNK 512 @@ -77,7 +79,7 @@ /* Binary data version stamps */ #define YAFFS_SUMMARY_VERSION 1 -#define YAFFS_CHECKPOINT_VERSION 6 +#define YAFFS_CHECKPOINT_VERSION 7 #ifdef CONFIG_YAFFS_UNICODE #define YAFFS_MAX_NAME_LENGTH 127 @@ -518,7 +520,7 @@ struct yaffs_param { /* * Entry parameters set up way early. Yaffs sets up the rest. * The structure should be zeroed out before use so that unused - * and defualt values are zero. + * and default values are zero. */ int inband_tags; /* Use unband tags */ @@ -534,9 +536,13 @@ struct yaffs_param { int n_caches; /* If <= 0, then short op caching is disabled, * else the number of short op caches. */ + int cache_bypass_aligned; /* If non-zero then bypass the cache for + * aligned writes. + */ + int use_nand_ecc; /* Flag to decide whether or not to use * NAND driver ECC on data (yaffs1) */ - int tags_9bytes; /* Use 9 byte tags */ + int tags_9bytes; /* Use 9 byte tags */ int no_tags_ecc; /* Flag to decide whether or not to do ECC * on packed tags (yaffs2) */ @@ -552,29 +558,43 @@ struct yaffs_param { int enable_xattr; /* Enable xattribs */ - /* NAND access functions (Must be set before calling YAFFS) */ - - int (*write_chunk_fn) (struct yaffs_dev *dev, - int nand_chunk, const u8 *data, - const struct yaffs_spare *spare); - int (*read_chunk_fn) (struct yaffs_dev *dev, - int nand_chunk, u8 *data, - struct yaffs_spare *spare); - int (*erase_fn) (struct yaffs_dev *dev, int flash_block); - int (*initialise_flash_fn) (struct yaffs_dev *dev); - int (*deinitialise_flash_fn) (struct yaffs_dev *dev); - - /* yaffs2 mode functions */ + /* Tags marshalling functions. + * If these are not set then defaults will be assigned. + */ int (*write_chunk_tags_fn) (struct yaffs_dev *dev, int nand_chunk, const u8 *data, const struct yaffs_ext_tags *tags); int (*read_chunk_tags_fn) (struct yaffs_dev *dev, int nand_chunk, u8 *data, struct yaffs_ext_tags *tags); - int (*bad_block_fn) (struct yaffs_dev *dev, int block_no); + int (*query_block_fn) (struct yaffs_dev *dev, int block_no, enum yaffs_block_state *state, u32 *seq_number); + int (*mark_bad_fn) (struct yaffs_dev *dev, int block_no); + + /* NAND driver access functions All required except + * the deinitialise function which is optional. + */ + + int (*drv_write_chunk_fn) (struct yaffs_dev *dev, int nand_chunk, + const u8 *data, int data_len, + const u8 *oob, int oob_len); + int (*drv_read_chunk_fn) (struct yaffs_dev *dev, int nand_chunk, + u8 *data, int data_len, + u8 *oob, int oob_len, + enum yaffs_ecc_result *ecc_result); + int (*drv_erase_fn) (struct yaffs_dev *dev, int block_no); + int (*drv_mark_bad_fn) (struct yaffs_dev *dev, int block_no); + int (*drv_check_bad_fn) (struct yaffs_dev *dev, int block_no); + int (*drv_initialise_fn) (struct yaffs_dev *dev); + int (*drv_deinitialise_fn) (struct yaffs_dev *dev); + + + int max_objects; /* + * Set to limit the number of objects created. + * 0 = no limit. + */ /* The remove_obj_fn function must be supplied by OS flavours that * need it. @@ -606,10 +626,6 @@ struct yaffs_param { int disable_summary; - int max_objects; /* - * Set to limit the number of objects created. - * 0 = no limit. - */ }; struct yaffs_dev { @@ -760,6 +776,7 @@ struct yaffs_dev { u32 n_page_writes; u32 n_page_reads; u32 n_erasures; + u32 n_bad_markings; u32 n_erase_failures; u32 n_gc_copies; u32 all_gcs;