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1.1 root 1: //
2: // nono
1.1.1.4 root 3: // Copyright (C) 2020 nono project
4: // Licensed under nono-license.txt
1.1 root 5: //
6:
7: #pragma once
8:
9: #include "device.h"
10:
1.1.1.2 root 11: // このクラスは SCSI プロトコル上の定数などだけを持つ。
1.1 root 12: class SCSI
13: {
14: public:
1.1.1.2 root 15: static const uint IO = 0x01;
16: static const uint CD = 0x02;
17: static const uint MSG = 0x04;
18: static const uint BSY = 0x08;
19: static const uint SEL = 0x10;
20:
21: // SCSI のフェーズを表す。
22: // フェーズは概ね BSY と SEL の状態遷移によって決まる。
23: // 情報転送フェーズの内訳は XferPhase 側で区別する。
24: enum Phase {
25: BusFree = 0,
26: Arbitration = 1,
27: Selection = 2,
28: Reselection = 3,
29: Transfer = 4,
1.1 root 30: };
31:
1.1.1.2 root 32: // 情報転送フェーズを表す。
33: // この値は MSG,CD,IO で表現できる値をそのまま流用して表現する。
34: enum XferPhase { // MSG CD IO
35: DataOut = 0, // 0 0 0
36: DataIn = 1, // 0 0 1
37: Command = 2, // 0 1 0
38: Status = 3, // 0 1 1
39: MsgOut = 6, // 1 1 0
40: MsgIn = 7, // 1 1 1
1.1 root 41:
1.1.1.2 root 42: End = -1, // SCSICmd 内でフェーズ遷移を表現するために使う
43: };
44:
45: // フェーズ文字列を返す
1.1.1.7 ! root 46: static const char *GetPhaseName(Phase phase);
! 47: static const char *GetPhaseName(int phase) {
1.1.1.2 root 48: return GetPhaseName((Phase)phase);
49: }
50:
51: // 情報転送フェーズ文字列を返す
1.1.1.7 ! root 52: static const char *GetXferPhaseName(XferPhase xfer);
! 53: static const char *GetXferPhaseName(int xfer) {
1.1.1.2 root 54: return GetXferPhaseName((XferPhase)xfer);
55: }
56:
57: // デバイス種別
1.1.1.5 root 58: enum class DevType {
1.1.1.2 root 59: None = 0,
1.1.1.6 root 60: Initiator,
1.1.1.2 root 61: HD,
1.1.1.7 ! root 62: CD,
! 63: MO,
1.1 root 64: };
65:
1.1.1.7 ! root 66: // デバイス種別文字列を返す
! 67: static const char *GetDevTypeName(DevType type);
! 68:
1.1 root 69: // コマンド。
70: // ダイレクトアクセスデバイスのコマンドを元にしている。
71: // シーケンシャルアクセスデバイスでは 0x01 が Rewind だったり
72: // 同じコードで違うコマンドのようだが、とりあえずそれは放置。
73: struct Command {
74: // Group0
75: static const uint TestUnitReady = 0x00; // 共通
76: static const uint RezeroUnit = 0x01;
77: static const uint RequestSense = 0x03; // 共通
78: static const uint FormatUnit = 0x04;
79: static const uint ReassignBlocks = 0x07;
80: static const uint Read6 = 0x08;
81: static const uint Write6 = 0x0a;
82: static const uint Seek6 = 0x0b;
83: static const uint Inquiry = 0x12; // 共通
84: static const uint ModeSelect6 = 0x15; // 共通
85: static const uint Reserve = 0x16;
86: static const uint Release = 0x17;
87: static const uint Copy = 0x18; // 共通
88: static const uint ModeSense6 = 0x1a;
89: static const uint StartStopUnit = 0x1b;
90: static const uint ReceiveDiagnosticResults = 0x1c; // 共通
91: static const uint SendDiagnostic = 0x1d; // 共通
92: static const uint PreventAllowMediumRemoval = 0x1e;
93: // Group1
1.1.1.7 ! root 94: static const uint ReadFormatCapacities = 0x23;
! 95: static const uint ReadCapacity = 0x25; // Direct Access
! 96: static const uint ReadCDROMCapacity = 0x25; // CD-ROM
1.1 root 97: static const uint Read10 = 0x28;
98: static const uint Write10 = 0x2a;
99: static const uint Seek10 = 0x2b;
100: // Group1
101: static const uint WriteAndVerify10 = 0x2e;
102: static const uint Verify10 = 0x2f;
103: static const uint SearchDataHigh10 = 0x30;
104: static const uint SearchDataEqual10 = 0x31;
105: static const uint SearchDataLow10 = 0x32;
106: static const uint SetLimits = 0x33;
107: static const uint PreFetch = 0x34;
108: static const uint SynchronizeCache = 0x35;
109: static const uint LockUnlockCache = 0x36;
110: static const uint ReadDefectData10 = 0x37;
111: static const uint Compare = 0x39; // 共通
112: static const uint CopyAndVerify = 0x3a; // 共通
113: static const uint WriteBuffer = 0x3b; // 共通
114: static const uint ReadBuffer = 0x3c; // 共通
115: static const uint ReadLong = 0x3e;
116: static const uint WriteLong = 0x3f;
117: // Group2
118: static const uint ChangeDefinition = 0x40;
119: static const uint WriteSame = 0x41;
1.1.1.7 ! root 120: static const uint ReadTOC = 0x43; // CD-ROM
! 121: static const uint ReadHeader = 0x44; // CD-ROM
1.1 root 122: static const uint LogSelect = 0x4c; // 共通
123: static const uint LogSense = 0x4d; // 共通
1.1.1.7 ! root 124: static const uint ReadDiscInformation = 0x51; // ?
1.1 root 125: static const uint ModeSelect10 = 0x55; // 共通
126: static const uint ModeSense10 = 0x5a; // 共通
127: };
1.1.1.7 ! root 128: // SCSI コマンド名を返す
! 129: static const char *GetCommandName(uint8 cmd);
1.1 root 130:
131: // ステータスバイト
132: struct StatusByte {
133: static const uint8 Good = (0x00 << 1);
134: static const uint8 CheckCondition = (0x01 << 1);
135: static const uint8 ConditionMet = (0x02 << 1);
136: static const uint8 Busy = (0x04 << 1);
137: static const uint8 Intermediate = (0x08 << 1);
138: static const uint8 IntermediateCondMet = (0x0a << 1);
139: static const uint8 ReservationConflict = (0x0c << 1);
140: static const uint8 CommandTerminated = (0x11 << 1);
141: static const uint8 QueueFull = (0x14 << 1);
142: };
143:
144: // メッセージバイト
145: struct MsgByte {
146: static const uint8 CommandComplete = 0x00;
147: static const uint8 ExtendMessage = 0x01;
148: static const uint8 SaveDataPointer = 0x02;
149: static const uint8 RestorePointers = 0x03;
150: static const uint8 Disconnect = 0x04;
151: static const uint8 InitiatorDetectedError = 0x05;
152: static const uint8 Abort = 0x06;
153: static const uint8 MessageReject = 0x07;
154: static const uint8 NoOperation = 0x08;
155: static const uint8 MessageParityError = 0x09;
156: static const uint8 LinkedCommandComplete = 0x0a;
157: static const uint8 LinkedCommandCompleteWithFlag = 0x0b;
158: static const uint8 BusDeviceReset = 0x0c;
159: static const uint8 AbortTag = 0x0d;
160: static const uint8 ClearQueue = 0x0e;
161: static const uint8 InitiateRecovery = 0x0f;
162: static const uint8 ReleaseRecovery = 0x10;
163: static const uint8 TerminateIOProcess = 0x11;
164: static const uint8 SimpleQueueTag = 0x20;
165: static const uint8 HeadOfQueueTag = 0x21;
166: static const uint8 OrderedQueueTag = 0x22;
167: static const uint8 IgnoreWideResidue = 0x23;
168: static const uint8 Identify = 0x80; // 0x80..0xff
169: };
170:
1.1.1.7 ! root 171: // Inquiry コマンドの Peripheral Qualifier フィールド
! 172: struct InquiryQualifier {
! 173: static const uint8 LU_Present = 0x00;
! 174: static const uint8 LU_NotPreseted = 0x20;
! 175: static const uint8 Reserved = 0x40;
! 176: static const uint8 LU_NotSupported = 0x60;
! 177: static const uint8 Mask = 0xe0;
! 178: };
! 179: // Inquiry コマンドの Peripheral Device Type フィールド
! 180: struct InquiryDeviceType {
! 181: static const uint8 DirectAccess = 0x00;
! 182: static const uint8 SequentialAccess = 0x01;
! 183: static const uint8 Printer = 0x02;
! 184: static const uint8 Processor = 0x03;
! 185: static const uint8 WriteOnce = 0x04;
! 186: static const uint8 CDROM = 0x05;
! 187: static const uint8 Scanner = 0x06;
! 188: static const uint8 MO = 0x07;
! 189: static const uint8 MediaChanger = 0x08;
! 190: static const uint8 Communication = 0x09;
! 191: static const uint8 Unknown = 0x1f;
! 192: };
! 193:
1.1.1.5 root 194: // センスキー
195: struct SenseKey {
196: static const uint8 NoSense = 0x0;
197: static const uint8 RecoveredError = 0x1;
198: static const uint8 NotReady = 0x2;
199: static const uint8 MediumError = 0x3;
200: static const uint8 HardwareError = 0x4;
201: static const uint8 IllegalRequest = 0x5;
202: static const uint8 UnitAttention = 0x6;
203: static const uint8 DataProtect = 0x7;
204: static const uint8 BlankCheck = 0x8;
205: static const uint8 VendorSpecific = 0x9;
206: static const uint8 CopyAborted = 0xa;
207: static const uint8 AbortedCommand = 0xb;
208: static const uint8 Equal = 0xc;
209: static const uint8 VolumeOverflow = 0xd;
210: static const uint8 Miscompare = 0xe;
211: static const uint8 Reserved = 0xf;
212: };
1.1.1.7 ! root 213: // センスキーコードとキー名を表示用に整形したものを返す
! 214: static std::string GetSenseKeyDisp(uint8 key);
1.1.1.5 root 215:
216: // ASC/ASCQ
217: // 上位バイトが ASC、下位バイトが ASCQ を示す。
218: struct ASC {
219: static const uint16 NoAdditionalSenseInformation = 0x0000;
1.1.1.7 ! root 220: static const uint16 PeripheralDeviceWriteFault = 0x0300;
1.1.1.5 root 221: static const uint16 InvalidCommandOperationCode = 0x2000;
222: static const uint16 InvalidFieldInCDB = 0x2400;
1.1.1.7 ! root 223: static const uint16 LogicalUnitNotSupported = 0x2500;
! 224: static const uint16 MediumNotPresent = 0x3a00;
1.1.1.5 root 225: };
226:
1.1.1.7 ! root 227: // Mode Select/Sense のページ
! 228: // - 詳細解説本の日本語訳が微妙に遠い…。
! 229: // Rigid Disk Geometry Page は「ドライブ・パラメータ」、
! 230: // Flexible Disk Page は「フロッピ・ディスク・パラメータ」、
! 231: // Caching Page は「キャッシュ・コントロール・パラメータ」としてある。
! 232: // ページコード(番号)を軸に読み替えること。
! 233: // - ReadWriteErrorRecovery は CD-ROM クラスではページ番号同じで
! 234: // ReadErrorRecovery だがそれはもう区別しない。
! 235: // - 名前の後ろの Page は基本省略しているが、Caching Page は省略すると
! 236: // 訳分からんことになるので。
! 237: enum ModePage : uint8 {
! 238: VendorSpecific = 0x00,
! 239: ReadWriteErrorRecovery = 0x01,
! 240: DisconnectReconnect = 0x02,
! 241: FormatDevice = 0x03,
! 242: RigidDiskGeometry = 0x04,
! 243: FlexibleDisk = 0x05,
! 244: OpticalMemory = 0x06,
! 245: VerifyErrorRecovery = 0x07,
! 246: CachingPage = 0x08,
! 247: PeripheralDevice = 0x09,
! 248: ControlMode = 0x0a,
! 249: MediumTypeSupported = 0x0b,
! 250: NotchAndPartition = 0x0c,
! 251: CDROM = 0x0d,
! 252: CDROMAudioControl = 0x0e,
1.1 root 253:
1.1.1.7 ! root 254: AllPages = 0x3f,
! 255: };
! 256: // ページ番号とページ名を表示用に整形したものを返す
! 257: static std::string GetModePageDisp(uint8 page);
1.1 root 258:
259: private:
1.1.1.7 ! root 260: static const std::vector<const char *> commandname;
! 261: static const std::vector<const char *> sensekeyname;
! 262: static const std::vector<const char *> modepagename;
1.1 root 263: };
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