54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
#ifndef VFS_VFS_H_
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#define VFS_VFS_H_
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include "spinlock/spinlock.h"
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#include "fs/kvfs/kvfs.h"
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#include "storedev/storedev.h"
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#define VFS_MOUNTPOINT_LABEL_MAX 128
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#define VFS_MOUNTPOINTS_MAX 30
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enum {
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VFS_KVFS,
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};
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static const char *vfs_strings[] = {
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"KVFS"
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};
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typedef struct VfsMountPoint {
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bool taken;
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uint8_t label[VFS_MOUNTPOINT_LABEL_MAX];
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int32_t fstype;
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StoreDev *backingsd;
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int32_t (*read)(struct VfsMountPoint *vmp, const char *path, uint8_t *const buffer, size_t n, size_t off);
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int32_t (*write)(struct VfsMountPoint *vmp, const char *path, const uint8_t *const buffer, size_t n, size_t off);
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int32_t (*remove)(struct VfsMountPoint *vmp, const char *path);
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int32_t (*cleanup)(struct VfsMountPoint *vmp);
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bool (*check)(void);
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union {
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Kvfs kvfs;
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} fs;
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SpinLock spinlock;
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} VfsMountPoint;
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typedef struct {
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SpinLock spinlock;
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VfsMountPoint mountpoints[VFS_MOUNTPOINTS_MAX];
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} VfsTable;
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extern VfsTable VFS_TABLE;
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void vfs_init(void);
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int32_t vfs_read(char *mountpoint, const char *path, uint8_t *const buffer, size_t n, size_t off);
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int32_t vfs_write(char *mountpoint, const char *path, const uint8_t *const buffer, size_t n, size_t off);
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int32_t vfs_remove(char *mountpoint, const char *path);
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int32_t vfs_unmount(char *mountpoint);
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#endif // VFS_VFS_H_
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