92 lines
1.7 KiB
C
92 lines
1.7 KiB
C
#ifndef _KERNEL_DEVICE_IDEDRV_H
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#define _KERNEL_DEVICE_IDEDRV_H
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#include <device/def_device_op.h>
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#include <libk/list.h>
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#include <libk/std.h>
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#include <proc/proc.h>
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#include <proc/reschedule.h>
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#include <proc/suspension_q.h>
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#define IDE_PROBE_AVAIL (1 << 0)
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#define IDE_PROBE_LBA48 (1 << 1)
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struct device;
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struct idedrv_init {
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bool lba48;
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size_t sector_count;
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size_t sector_size;
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uint16_t io, ctrl;
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uint8_t devno;
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uint8_t irq;
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uint16_t bmbase;
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bool irqs_support;
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bool bm_support;
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};
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struct idedrv_request {
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uint16_t* buffer;
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size_t sector_done_count;
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size_t sector_count;
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int type;
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atomic_int done;
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};
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struct ide_prd_entry {
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uint32_t phys_addr;
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uint16_t size;
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uint16_t rsvd_eot;
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} PACKED;
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struct idedrv {
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struct device* device;
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bool lba48;
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size_t sector_count;
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size_t sector_size;
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uint16_t io, ctrl;
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uint8_t devno;
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uint8_t irq;
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struct idedrv_request* current_req;
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bool irqs_support;
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uint16_t bmbase;
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bool bm_support;
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struct ide_prd_entry* prdt;
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uintptr_t prdt_phys;
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size_t prdt_entry_count;
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uintptr_t bounce_buffer_phys;
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void* bounce_buffer;
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};
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struct ide_probe {
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uint16_t flags;
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size_t sector_count;
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size_t sector_size;
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uint16_t io, ctrl;
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uint8_t devno;
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uint8_t irq;
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uint16_t bmbase;
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bool irqs_support;
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bool bm_support;
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};
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DEFINE_DEVICE_INIT(idedrv_init);
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DEFINE_DEVICE_FINI(idedrv_fini);
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DEFINE_DEVICE_OP(idedrv_read);
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DEFINE_DEVICE_OP(idedrv_write);
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DEFINE_DEVICE_OP(idedrv_get_device_type);
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DEFINE_DEVICE_OP(idedrv_get_sector_size);
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DEFINE_DEVICE_OP(idedrv_get_size);
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DEFINE_DEVICE_OP(idedrv_partition_rescan);
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void ide_probe(uint16_t io, uint16_t ctrl, uint8_t devno, struct ide_probe* probe);
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#endif // _KERNEL_DEVICE_IDEDRV_H
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