feat: Massive OS expansion with IPC, Sound & TTS, Block layer, FAT32/ext2/sysfs, Signals, Syscalls, Modules, Drivers & 50+ LazyBox applets

include/block/block.h

@@ -0,0 +1,47 @@
+#ifndef _BLOCK_BLOCK_H
+#define _BLOCK_BLOCK_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+#define BLOCK_SECTOR_SIZE 512
+#define MAX_BLOCK_DEVS    8
+
+typedef enum {
+    REQ_READ = 0,
+    REQ_WRITE = 1,
+    REQ_FLUSH = 2
+} block_req_type_t;
+
+typedef struct block_request {
+    block_req_type_t type;
+    uint64_t sector;
+    uint32_t sector_count;
+    void* buffer;
+    bool completed;
+    int status;
+    struct block_request* next;
+} block_request_t;
+
+typedef struct block_device {
+    char name[32];
+    uint32_t device_id;
+    uint64_t total_sectors;
+    uint32_t sector_size;
+    bool read_only;
+    int (*read_sectors)(struct block_device* dev, uint64_t sector, uint32_t count, void* buffer);
+    int (*write_sectors)(struct block_device* dev, uint64_t sector, uint32_t count, const void* buffer);
+    int (*flush)(struct block_device* dev);
+    block_request_t* queue_head;
+    block_request_t* queue_tail;
+} block_device_t;
+
+void block_init(void);
+int block_register_device(block_device_t* dev);
+block_device_t* block_get_device(const char* name);
+int block_submit_bio(const char* dev_name, block_req_type_t type, uint64_t sector, uint32_t count, void* buffer);
+size_t block_get_device_count(void);
+block_device_t* block_get_device_by_index(size_t index);
+
+#endif // _BLOCK_BLOCK_H