40 lines
817 B
C++
40 lines
817 B
C++
#pragma once
|
|
|
|
#include <mammoth/sync/semaphore.h>
|
|
#include <mammoth/util/memory_region.h>
|
|
#include <stdint.h>
|
|
|
|
#include "ahci/ahci.h"
|
|
|
|
class AhciPort;
|
|
|
|
struct CommandInfo {
|
|
uint8_t command;
|
|
uint64_t lba;
|
|
uint16_t sectors;
|
|
uint64_t paddr;
|
|
};
|
|
|
|
class Command {
|
|
public:
|
|
Command() = default;
|
|
virtual ~Command();
|
|
virtual void PopulateFis(uint8_t* command_fis) const = 0;
|
|
virtual void PopulatePrdt(PhysicalRegionDescriptor* prdt) const = 0;
|
|
};
|
|
|
|
class DmaReadCommand : public Command {
|
|
public:
|
|
DmaReadCommand(uint64_t lba, uint64_t sector_cnt, uint64_t dest_paddr);
|
|
|
|
virtual ~DmaReadCommand() override;
|
|
|
|
void PopulateFis(uint8_t* command_fis) const override;
|
|
void PopulatePrdt(PhysicalRegionDescriptor* prdt) const override;
|
|
|
|
private:
|
|
uint64_t lba_;
|
|
uint64_t sector_cnt_;
|
|
uint64_t paddr_;
|
|
};
|