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sdk-hwV1.3/lichee/melis-v3.0/source/include/melis/ekernel/drivers/sys_fsys.h

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#ifndef __SYS_FSYS_H__
#define __SYS_FSYS_H__
#include <typedef.h>
#include <stdbool.h>
#include "sys_device.h"
//melis legacy fseek semantic. else posix semantic
//#define FSEEK_LEGACY
#define FS_ATTR_READONLY 0x00000001 /* readonly fs */
#define FSYS_VERSION 0x01000000UL /* 1.00.0000 */
/* Maximum size of a directory name */
#define FSYS_DIRNAME_MAX 1024
/* maximum size of volume name */
#define MAX_VOLUME_NAME_LEN 512
/* maximum size of part name */
#define MAX_PART_NAME_LEN MAX_VOLUME_NAME_LEN
/* maximum size of file system name */
#define MAX_FS_NAME_LEN 16
/* file attributes */
#define FSYS_ATTR_READONLY 0x00000001
#define FSYS_ATTR_HIDDEN 0x00000002
#define FSYS_ATTR_SYSTEM 0x00000004
#define FSYS_FAT_VOLUME_ID 0x00000008
#define FSYS_ATTR_DIRECTORY 0x00000010
#define FSYS_ATTR_ARCHIVE 0x00000020
#define FSYS_FAT_DENTRY_SIZE 0x20
#define MAX_DISK_LETTER_LEN 26
#define MAX_DIR_SCAN_LEVEL 32
/* names of supported file system */
#define FSYS_NTFS_NAME "NTFS"
#define FSYS_FAT_NAME "FAT"
#define FSYS_EXFAT_NAME "exFAT"
#define FSYS_CDFS_NAME "CDFS"
#define FSYS_UDF_NAME "UDF"
/* Global error codes */
#define FSYS_ERR_OK (int16_t)0x0000
#define FSYS_ERR_EOF (int16_t)0xfff0
#define FSYS_ERR_DISKFULL (int16_t)0xffe0
#define FSYS_ERR_INVALIDPAR (int16_t)0xffd0
#define FSYS_ERR_WRITEONLY (int16_t)0xffc0
#define FSYS_ERR_READONLY (int16_t)0xffb0
#define FSYS_ERR_READERROR (int16_t)0xffa0
#define FSYS_ERR_WRITEERROR (int16_t)0xff90
#define FSYS_ERR_DISKCHANGED (int16_t)0xff80
#define FSYS_ERR_CLOSE (int16_t)0xff70
#define FSYS_MAX_FPARTS 16
#ifdef CONFIG_SOC_SUN20IW1
#define FSYS_MAX_XPARTS 9
#else
#define FSYS_MAX_XPARTS 8
#endif
#define FSYS_MAX_UPARTS 2
#define FSYS_MAX_PARTS (FSYS_MAX_FPARTS + FSYS_MAX_XPARTS + FSYS_MAX_UPARTS)
#define PART_LETTER_FREE 0xff
#ifdef CONFIG_SOC_SUN20IW1
#define PART_LETTER_FREESTART 'F'
#else
#define PART_LETTER_FREESTART 'E'
#endif
#define PART_LETTER_USER 0xfe
#define PART_LETTER_USERSTART 'V'
#define PART_LETTER_DMS 'B'
#define PART_LETTER_RAMDISK 'C'
#define PART_LETTER_ROOTFS 'D'
#define PART_LETTER_UDISK 'E'
#define PART_LETTER_SYSDATA 'Z'
#define PART_LETTER_SYSBOOT 'Y'
#define PART_LETTER_BOOTFS 'X'
#define PART_LETTER_RESERVEV 'V'
#define PART_LETTER_RESERVEU 'U'
#define PART_LETTER_RESERVEA 'A'
/* I/O coSYmmands */
#define FSYS_CMD_FLUSH_CACHE 1000L
#define FSYS_CMD_CHK_DSKCHANGE 1010L
#define FSYS_CMD_READ_SECTOR 1100L
#define FSYS_CMD_WRITE_SECTOR 1110L
#define FSYS_CMD_FORMAT_MEDIA 2222L
#define FSYS_CMD_FORMAT_AUTO 2333L
#define FSYS_CMD_INC_BUSYCNT 3001L
#define FSYS_CMD_DEC_BUSYCNT 3002L
#define FSYS_CMD_GET_DISKFREE 4000L
#define FSYS_CMD_GET_DEVINFO 4011L
#define FSYS_CMD_FLASH_ERASE_CHIP 9001L
/* part I/O coSYmmands */
#define FSYS_PART_CMD_GET_PARTSIZE 1000L
#define FSYS_PART_CMD_FLUSH_CACHE 1001L
#define FSYS_PART_CMD_INC_BUSYCNT 1100L
#define FSYS_PART_CMD_DEC_BUSYCNT 1101L
#define FSYS_PART_CMD_GET_STATUS 1102L
#define FSYS_PART_CMD_GET_INFO 1103L
#define FSYS_PART_CMD_FORMAT 1104L
#define FSYS_PART_MODE_CACHE_USED 1002L
#define FSYS_PART_MODE_CACHE_UNUSED 1003L
/* part I/O control command */
#define PART_IOC_USR_BASE 0x00000000
#define PART_IOC_SYS_BASE 0x80000000
#define IS_PARTIOCSYS(cmd) (cmd>=PART_IOC_SYS_BASE)
/* for sys */
#define PART_IOC_SYS_GETNAME (PART_IOC_SYS_BASE + 0)
#define PART_IOC_SYS_SETFSPRIV (PART_IOC_SYS_BASE + 1)
#define PART_IOC_SYS_GETFSPRIV (PART_IOC_SYS_BASE + 2)
#define PART_IOC_SYS_GETPDPRIV (PART_IOC_SYS_BASE + 3)
#define PART_IOC_SYS_GETDEV (PART_IOC_SYS_BASE + 4)
#define PART_IOC_SYS_GETLETTER (PART_IOC_SYS_BASE + 5)
#define PART_IOC_SYS_GETLASTPART (PART_IOC_SYS_BASE + 6)
/* for raw part */
#define PART_IOC_USR_GETPARTSIZE (PART_IOC_USR_BASE+0)
#define PART_IOC_USR_FLUSHCACHE (PART_IOC_USR_BASE+1)
#define PART_IOC_USR_CACHEUSED (PART_IOC_USR_BASE+2)
#define PART_IOC_USR_CACHEUNUSED (PART_IOC_USR_BASE+3)
#define PART_IOC_USR_GETSCTSIZE (PART_IOC_USR_BASE+4)
/* for dms part */
#define PART_IOC_USR_GETITEM (PART_IOC_USR_BASE+5)
#define PART_IOC_USR_GETDEVCLSROOT (PART_IOC_USR_BASE+6)
/* for cd-rom part */
#define PART_IOC_CDROM_LAST_WRITTEN (PART_IOC_USR_BASE+7)
#define PART_IOC_CDROM_MULTISESSION (PART_IOC_USR_BASE+8)
/* fs I/O control command */
#define FS_IOC_USR_BASE 0x00000000
#define FS_IOC_SYS_BASE 0x80000000
#define IS_FSIOCSYS(cmd) (cmd>=FS_IOC_SYS_BASE)
/* for sys */
#define FS_IOC_SYS_GETFLAGS (FS_IOC_SYS_BASE+0x80)
#define FS_IOC_SYS_SETFLAGS (FS_IOC_SYS_BASE+0x81)
#define FS_IOC_SYS_GETVERSION (FS_IOC_SYS_BASE+0x82)
#define FS_IOC_SYS_SETVERSION (FS_IOC_SYS_BASE+0x83)
#define FS_IOC_SYS_GETATTR (FS_IOC_SYS_BASE+0x84)
/* for fat fs */
#define FS_IOC_USR_DEBUG_FATCHUNK (FS_IOC_SYS_BASE+0x100)
#define FSYS_SECTOR_SIZE 512
#define FSYS_PART_MEDIACHANGED 0x0001
/* for minfs fs */
#define MINFS_IOC_GET_UNCOMPRESS_FILE_SIZE (FS_IOC_SYS_BASE+0x200)
#define MINFS_IOC_GET_UNCOMPRESS_FILE_DATA (FS_IOC_SYS_BASE+0x201)
#define DEVFS_NODE_TYPE 1
#define DEVFS_CLASS_TYPE 2
/* flags for esFSYS_statfs (get file system status) operation */
#define FSYS_KSTATUS_TYPE 0x00000001 /* get fs magic type */
#define FSYS_KSTATUS_BSIZE 0x00000002 /* get fs block size */
#define FSYS_KSTATUS_BLOCKS 0x00000004 /* get fs total blocks number */
#define FSYS_KSTATUS_BFREE 0x00000008 /* get fs free blocks number(for NTFS it is very slowly) */
#define FSYS_KSTATUS_FILES 0x00000010 /* get fs total files number */
#define FSYS_KSTATUS_NAMELEN 0x00000100 /* get fs name length */
#define FSYS_KSTATUS_ATTR 0x00000200 /* get fs attribute(eg:READONLY and so on) */
#define FSYS_KSTATUS_MEDIAATTR 0x00000400 /* get fs media attribute */
#define FSYS_KSTATUS_VOLLETTER 0x00000800 /* get fs volume letter */
#define FSYS_KSTATUS_VOLNAME 0x00001000 /* get fs volume name */
#define FSYS_KSTATUS_FSNAME 0x00002000 /* get fs type name */
#define FSYS_KSTATUS_ALL 0x0000FFFF /* get fs all kernal status information*/
struct ktimestamp
{
uint16_t year;
uint8_t month;
uint8_t day;
uint8_t hour;
uint8_t minute;
uint8_t second;
uint8_t milliseconds;
};
struct kstat
{
unsigned short mode;
unsigned int nlink;
long long size;
long long pos;
struct ktimestamp atime;
struct ktimestamp mtime;
struct ktimestamp ctime;
unsigned long blksize;
unsigned long long blocks;
};
/*
* Kernel pointers have redundant information, so we can use a
* scheme where we can return either an error code or a dentry
* pointer with the same return value.
*
* This should be a per-architecture thing, to allow different
* error and pointer decisions.
*/
#define MAX_ERRNO 4095
#define IS_ERR_VALUE(x) ((x) >= (unsigned long)-MAX_ERRNO)
static inline void *ERR_PTR(long error)
{
return (void *) error;
}
static inline long PTR_ERR(const void *ptr)
{
return (long) ptr;
}
static inline long IS_ERR(const long ptr)
{
return IS_ERR_VALUE((unsigned long)ptr);
}
static inline bool IS_ERR_OR_NULL(const void *ptr)
{
return (!ptr) || IS_ERR_VALUE((unsigned long)ptr);
}
struct kstatpt
{
char *p_pdname; /* part driver name, like "dmspart" or "dospart" */
uint32_t p_bsize; /* part block size */
uint32_t p_blocks; /* part blocks number */
uint32_t p_attr; /* copy from part.attr, indecate part attribute like rw mode and formated */
uint8_t p_status; /* copy of part.satus, fs used or raw used or dead */
uint8_t p_name[MAX_PART_NAME_LEN]; /* strcopy from part.dname, it is part name derived from dev */
/* the device information */
uint8_t p_devname[MAX_DEV_NODE_NAME_LEN]; /* device node name */
uint8_t p_devclassname[MAX_DEV_CLASS_NAME_LEN]; /* device class name*/
uint32_t p_devattr; /* device attribute */
};
#endif
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