X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=fs%2Fbattfs.h;h=247e058538752f867fb1aa5461bfd2f8928f7546;hb=f5c60ed7a6e06c258385b69e3d25c624243c43fd;hp=9235263e8efb0915c761b4af0a5e6bd7b9e51854;hpb=4c1f7cd0bcf77994d03cacf2f3cbb5d529cc1ff8;p=bertos.git diff --git a/fs/battfs.h b/fs/battfs.h index 9235263e..247e0585 100644 --- a/fs/battfs.h +++ b/fs/battfs.h @@ -44,6 +44,8 @@ #include // uintXX_t; STATIC_ASSERT #include // CPU_BITS_PER_CHAR #include +#include +#include typedef uint16_t fill_t; typedef fill_t pgaddr_t; @@ -99,7 +101,7 @@ typedef struct BattFsPageHeader * Simply set to 1 all field bits. * \{ */ -#define MARK_PAGE_VALID ((1LL << (CPU_BITS_PER_CHAR * sizeof(mark_t))) - 1) +#define MARK_PAGE_VALID ((1 << (CPU_BITS_PER_CHAR * sizeof(pgaddr_t) + 1)) - 1) #define FCS_FREE_VALID ((1 << (CPU_BITS_PER_CHAR * sizeof(fcs_t))) - 1) /* \} */ @@ -153,7 +155,7 @@ typedef size_t (*disk_page_read_t) (struct BattFsSuper *d, pgcnt_t page, pgaddr_ * \a size the lenght to be written. * \return the number of bytes written. */ -typedef size_t (*disk_page_write_t) (struct BattFsSuper *d, pgcnt_t page, pgaddr_t addr, void *buf, size_t); +typedef size_t (*disk_page_write_t) (struct BattFsSuper *d, pgcnt_t page, pgaddr_t addr, const void *buf, size_t); /** * Type interface for disk page erase function. @@ -196,13 +198,13 @@ typedef struct BattFsSuper */ pgcnt_t *page_array; - /** + /** * Lowest free page counter. * This is the counter of the first availble free page. */ mark_t free_start; - /** + /** * Highest free page counter. * This value is the next to be used to mark a block as free. */ @@ -211,9 +213,35 @@ typedef struct BattFsSuper disk_size_t disk_size; ///< Size of the disk, in bytes (page_count * page_size). disk_size_t free_bytes; ///< Free space on the disk. + List file_opened_list; ///< List used to keep trace of open files. /* TODO add other fields. */ } BattFsSuper; +typedef uint8_t filemode_t; ///< Type for file open. + +/** + * Describe a BattFs file usign a KFile. + */ +typedef struct KFileBattFs +{ + KFile fd; ///< KFile context + Node link; ///< Link for inserting in opened file list + inode_t inode; ///< inode of the opened file + BattFsSuper *disk; ///< Disk context + filemode_t mode; ///< File open mode +} KFileBattFs; + +INLINE KFileBattFs * KFILEBATTFS(KFile *fd) +{ + ASSERT(fd->_type == KFT_BATTFS); + return (KFileBattFs *)fd; +} + bool battfs_init(struct BattFsSuper *d); +bool battfs_close(struct BattFsSuper *disk); + +bool battfs_fileopen(BattFsSuper *disk, KFileBattFs *fd, inode_t inode, filemode_t mode); + +bool battfs_writeTestBlock(struct BattFsSuper *disk, pgcnt_t page, inode_t inode, seq_t seq, fill_t fill, pgoff_t pgoff, mark_t mark); #endif /* FS_BATTFS_H */