48 lines
1.1 KiB
C++
48 lines
1.1 KiB
C++
#pragma once
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#include <mammoth/sync/semaphore.h>
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#include <mammoth/util/memory_region.h>
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#include <stdint.h>
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#include "ahci/ahci.h"
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class AhciPort;
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class Command {
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public:
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Command() = default;
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virtual ~Command();
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virtual void PopulateFis(uint8_t* command_fis) const = 0;
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virtual void PopulatePrdt(PhysicalRegionDescriptor* prdt) const = 0;
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};
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class IdentifyDeviceCommand : public Command {
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public:
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IdentifyDeviceCommand(AhciPort* port) : port_(port) {}
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virtual void PopulateFis(uint8_t* command_fis) const override;
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virtual void PopulatePrdt(PhysicalRegionDescriptor* prdt) const override;
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void OnComplete();
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private:
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AhciPort* port_;
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uint64_t paddr_;
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mmth::OwnedMemoryRegion identify_ =
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mmth::OwnedMemoryRegion::ContiguousPhysical(0x200, &paddr_);
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};
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class DmaReadCommand : public Command {
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public:
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DmaReadCommand(uint64_t lba, uint64_t sector_cnt, uint64_t dest_paddr);
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virtual ~DmaReadCommand() override;
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void PopulateFis(uint8_t* command_fis) const override;
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void PopulatePrdt(PhysicalRegionDescriptor* prdt) const override;
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private:
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uint64_t lba_;
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uint64_t sector_cnt_;
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uint64_t paddr_;
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};
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