61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
#ifndef STOREDEV_STOREDEV_H_
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#define STOREDEV_STOREDEV_H_
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#include <stdint.h>
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#include <stddef.h>
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#include "spinlock/spinlock.h"
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#include "ramsd.h"
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#include "atasd.h"
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#include "partsd.h"
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#include "compiler/attr.h"
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#include "dev/dev.h"
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#define STOREDEV_MAGIC 0x50FA
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enum {
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STOREDEV_RAMSD,
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STOREDEV_ATASD,
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STOREDEV_PARTSD,
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};
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UNUSED static const char *storedev_strings[] = {
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"RAMSD", "ATASD", "PARTSD",
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};
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typedef struct StoreDev {
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uint32_t _magic;
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struct StoreDev *next;
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int32_t sdtype;
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size_t sectorsize;
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int32_t (*init)(struct StoreDev *sd, void *extra);
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int32_t (*read)(struct StoreDev *sd, uint8_t *const buffer, ptrdiff_t sector, ptrdiff_t off, size_t size);
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int32_t (*write)(struct StoreDev *sd, const uint8_t *const buffer, ptrdiff_t sector, ptrdiff_t off, size_t size);
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int32_t (*cleanup)(struct StoreDev *sd);
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size_t (*capacity)(struct StoreDev *sd);
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union {
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RamSd ramsd;
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AtaSd atasd;
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PartSd partsd;
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} sd;
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SpinLock spinlock;
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} StoreDev;
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typedef struct {
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StoreDev *head;
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SpinLock spinlock;
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} StoreDevList;
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extern StoreDevList STOREDEV_LIST;
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void storedev_init(void);
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StoreDev *storedev_create(int32_t sdtype, char *name, void *extra);
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int32_t storedev_delete(StoreDev *sd);
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void storedev_register_dev_entry(StoreDev *sd, char *name, int32_t sdtype);
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void storedev_unregister_dev_entry(Dev *dev);
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#endif // STOREDEV_STOREDEV_H_
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