2023-05-15 16:13:58 +00:00
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// This file is part of noxos and licensed under the MIT open source license
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#ifndef NOXOS_DRIVE_MANAGER_H
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#define NOXOS_DRIVE_MANAGER_H
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#include "drivers/fs/vfs.h"
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#include "utils/stdtypes.h"
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#include "utils/bitmap.h"
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#define DRIVE_CHUNK_SIZE 16
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#define DRIVE_PARTITION_CHUNK_SIZE 16
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typedef enum {
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DRIVE_CONTROLLER_AHCI
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} drive_controller_types_E;
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typedef struct drive_chunk_T drive_chunk_T;
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typedef struct drive_partition_chunk_T drive_partition_chunk_T;
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typedef struct drive_partition_T drive_partition_T;
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typedef struct drive_T drive_T;
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struct drive_partition_T{
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drive_partition_chunk_T* chunk;
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uint32_t id_in_chunk;
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uint32_t id;
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drive_T* drive;
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fs_T filesystem;
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uint32_t start_sector;
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uint32_t end_sector;
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};
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struct drive_T {
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drive_chunk_T* chunk;
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uint32_t id_in_chunk;
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uint32_t id;
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drive_partition_chunk_T* partitions_chunks;
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drive_controller_types_E controller_type;
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void* controller;
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2023-05-16 21:38:14 +00:00
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void* device;
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2023-05-15 16:13:58 +00:00
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};
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struct drive_chunk_T {
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drive_T drives [DRIVE_CHUNK_SIZE];
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bitmap_T drives_bitmap;
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uint32_t num_drives;
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drive_chunk_T* prev;
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drive_chunk_T* next;
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};
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struct drive_partition_chunk_T {
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drive_partition_T partitions [DRIVE_PARTITION_CHUNK_SIZE];
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bitmap_T partitions_bitmap;
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uint32_t num_partitions;
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drive_partition_chunk_T* prev;
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drive_partition_chunk_T* next;
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};
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typedef struct {
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drive_chunk_T* chunks;
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} drive_manager_T;
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drive_chunk_T* drive_chunk_alloc (drive_chunk_T* prev);
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drive_partition_chunk_T* drive_partition_chunk_alloc (drive_partition_chunk_T* prev);
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void drive_partition_chunk_destruct (drive_partition_chunk_T* chunk);
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void drive_manager_init ();
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drive_T* drive_manager_add_drive (drive_controller_types_E controller_type, void* controller, void* device);
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void drive_manager_remove_drive (drive_T* drive);
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drive_partition_T* drive_manager_add_partition (drive_T* drive, uint32_t start_sector, uint32_t end_sector);
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void drive_manager_remove_partition (drive_partition_T* partition);
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#endif //NOXOS_DRIVE_MANAGER_H
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