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Annotation of nono/vm/virtio_scsi.h, revision 1.1.1.1

1.1       root        1: //
                      2: // nono
                      3: // Copyright (C) 2024 nono project
                      4: // Licensed under nono-license.txt
                      5: //
                      6: 
                      7: //
                      8: // VirtIO SCSI デバイス
                      9: //
                     10: 
                     11: #pragma once
                     12: 
                     13: #include "virtio_base.h"
                     14: #include <array>
                     15: 
                     16: class SCSIDomain;
                     17: class SCSIHostDevice;
                     18: 
                     19: class VirtIOSCSIDevice : public VirtIODevice
                     20: {
                     21:        using inherited = VirtIODevice;
                     22:  public:
                     23:        VirtIOSCSIDevice(uint slot_);
                     24:        ~VirtIOSCSIDevice() override;
                     25: 
                     26:        bool Create() override;
                     27:        bool Init() override;
                     28:        void ResetHard(bool poweron) override;
                     29: 
                     30:        SCSIDomain *GetDomain() const noexcept { return domain.get(); }
                     31: 
                     32:        // アクセス状況を返す
                     33:        void GetAccess(std::array<uint32, 16> *dst) const { *dst = access; }
                     34: 
                     35:  private:
                     36:        DECLARE_MONITOR_CALLBACK(MonitorUpdate);
                     37: 
                     38:        void ProcessDesc(VirtIOReq&) override;
                     39: 
                     40:        void ProcessDescControl(VirtIOReq&);
                     41:        void ProcessDescEvent(VirtIOReq&);
                     42:        void ProcessDescRequest(VirtIOReq&);
                     43:        void ProcessDescRequestError(VirtIOReq&, uint32 response, uint32 residual);
                     44: 
                     45:        const char *GetFeatureName(uint feature) const override;
                     46: 
                     47:        // SCSI 管理
                     48:        std::unique_ptr<SCSIDomain> domain /*{}*/;
                     49: 
                     50:        // SCSI ホスト
                     51:        SCSIHostDevice *host {};
                     52: 
                     53:        uint32 sense_size {};
                     54:        uint32 cdb_size {};
                     55: 
                     56:        // アクセスインジケータ用。
                     57:        // [0] が ID0 の read 用、[1] が ID0 の write 用、
                     58:        // [2] が ID1 の read 用、[3] が ID1 の write 用、
                     59:        // …の要領で並べてある。
                     60:        std::array<uint32, 8 * 2> access {};
                     61: };

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