45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
#pragma once
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#include <glacier/container/array.h>
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#include <glacier/container/array_view.h>
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#include <glacier/status/error.h>
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#include <glacier/status/error_or.h>
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#include <mammoth/util/memory_region.h>
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#include <ztypes.h>
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#include "ahci/ahci.h"
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#include "ahci/command.h"
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class AhciPort {
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public:
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AhciPort() {}
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// Caller retains ownership of the pointer.
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AhciPort(AhciPortHba* port_struct);
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void DumpInfo();
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bool IsSata() { return port_struct_->signature == 0x101; }
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bool IsInit() { return port_struct_ != nullptr && command_structures_; }
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glcr::ErrorCode Identify();
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glcr::ErrorOr<mmth::Semaphore*> IssueCommand(const Command& command);
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glcr::ErrorOr<mmth::Semaphore*> IssueCommand(const CommandInfo& command);
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void HandleIrq();
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AhciPort(const AhciPort&) = delete;
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AhciPort& operator=(const AhciPort&) = delete;
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private:
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volatile AhciPortHba* port_struct_ = nullptr;
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mmth::OwnedMemoryRegion command_structures_;
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volatile CommandList* command_list_ = nullptr;
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volatile ReceivedFis* received_fis_ = nullptr;
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glcr::ArrayView<CommandTable> command_tables_;
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glcr::Array<mmth::Semaphore> command_signals_;
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uint32_t commands_issued_ = 0;
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};
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