34 lines
854 B
C
34 lines
854 B
C
#ifndef STOREDEV_ATASD_H_
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#define STOREDEV_ATASD_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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#define STOREDEV_ATASD_SECTORSIZE 512
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struct StoreDev;
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typedef struct {
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int devno;
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size_t capacity;
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uint16_t iobase;
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uint16_t ctrlbase;
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} AtaSdInitExtra;
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typedef struct {
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int devno;
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size_t capacity;
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uint16_t iobase;
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uint16_t ctrlbase;
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} AtaSd;
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int32_t atasd_init(struct StoreDev *sd, void *extra);
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int32_t atasd_read(struct StoreDev *sd, uint8_t *const buffer, ptrdiff_t sector, ptrdiff_t off, size_t size);
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int32_t atasd_write(struct StoreDev *sd, const uint8_t *const buffer, ptrdiff_t sector, ptrdiff_t off, size_t size);
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int32_t atasd_cleanup(struct StoreDev *sd);
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size_t atasd_capacity(struct StoreDev *sd);
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uint64_t ata_probesize_bytes(uint16_t iobase, uint16_t ctrlbase, int devno);
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#endif // STOREDEV_ATASD_H_
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