_kefile.h

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#ifndef __KE_FILE_H__
#define __KE_FILE_H__
 
#include <_xeneva.h>
#include <stdint.h>
 
#ifdef __cplusplus
XE_EXTERN {
#endif
 
    /* file open modes*/
#define FILE_OPEN_READ_ONLY (1 << 1)
#define FILE_OPEN_WRITE     (1 << 2)
#define FILE_OPEN_CREAT     (1 << 3)
 
#define FILE_DIRECTORY   (1 << 1)
#define FILE_GENERAL     (1 << 2)
#define FILE_DEVICE      (1 << 3)
#define FILE_DELETED     (1 << 4)
#define FILE_INVALID     (1 << 5)
#define FILE_FILE_SYSTEM (1 << 6)
#define FILE_PIPE        (1 << 7)
 
#define XENEVA_STDIN  0
#define XENEVA_STDOUT 1
#define XENEVA_STDERR 2
 
/*  number of supported storage device*/
#define XE_MAX_STORAGE_DEVICE 26
/* number of partitions in each storage device */
#define XE_MAX_PARTITION 128
 
#ifdef ARCH_X64
#pragma pack(push, 1)
#endif
    typedef struct _GUID {
        uint32_t Data1;
        uint16_t Data2;
        uint16_t Data3;
        uint8_t Data4[8];
    } GUID;
#ifdef ARCH_X64
#pragma pack(pop)
#endif
 
#ifdef ARCH_X64
#pragma pack(push, 1)
#endif
    typedef struct _disk_info_ {
        char diskname[40];
        char serialNumber[20];
        uint8_t vDiskID;
        int num_partition;
        uint64_t maxBlocks;
        uint64_t blocksSize;
    } XEVDiskInfo;
#ifdef ARCH_X64
#pragma pack(pop)
#endif
 
#ifdef ARCH_X64
#pragma pack(push, 1)
#endif
    typedef struct _disk_partition_info_ {
        char mountedName[32];
        GUID partitionGUID;
        GUID uniqueGUID;
        uint64_t startingLBA;
    } XEVDiskPartitionInfo;
#ifdef ARCH_X64
#pragma pack(pop)
#endif
 
    typedef struct _XEFileStatus_ {
        uint8_t filemode; //mode of the file
        size_t size;      //size in bytes
        uint32_t current_block;
        uint32_t start_block;
        uint32_t user_id;  //for future use
        uint32_t group_id; //for future use
        uint32_t num_links;
        uint8_t eof;
    } XEFileStatus;
 
    //#pragma pack(push,1)
    typedef struct _XEFileControl_ {
        int syscall_magic;
        uint8_t uchar_1;
        uint8_t uchar_2;
        uint16_t ushort_1;
        uint16_t ushort_2;
        uint32_t uint_1;
        uint32_t uint_2;
        uint64_t ulong_1;
        uint64_t ulong_2;
    } XEFileIOControl;
    //#pragma pack(pop)
 
    //#pragma pack(push,1)
    typedef struct _XEDirectoryEnty_ {
        char filename[32];
        int index;
        int size;
        int date;
        int time;
        uint8_t flags;
    } XEDirectoryEntry;
    //#pragma pack(pop)
 
    XE_LIB int _KeOpenFile(char* pathname, int mode);
    XE_LIB size_t _KeReadFile(int fd, void* buffer, size_t length);
    XE_LIB size_t _KeWriteFile(int fd, void* buffer, size_t length);
    XE_LIB int _KeCreateDir(char* filename);
    XE_LIB int _KeRemoveFile(char* pathname);
    XE_LIB int _KeCloseFile(int fd);
    XE_LIB int _KeFileIoControl(int fd, int code, void* arg);
    XE_LIB int _KeFileStat(int fd, void* buf);
    XE_LIB int _KeOpenDir(char* filename);
    XE_LIB int _KeReadDir(int dirfd, void* dirent);
    XE_LIB int _KeFileSetOffset(int fd, size_t offset);
    XE_LIB int _KeCreatePipe(char* name, size_t sz);
    XE_LIB int _KeGetStorageDiskInfo(uint8_t diskID, void* buffer);
    XE_LIB int _KeGetStoragePartitionInfo(uint8_t diskID, uint8_t partitionID, void* buffer);
#ifdef __cplusplus
}
#endif
 
#endif