author | hgs |
Tue, 26 Oct 2010 12:49:20 +0100 | |
changeset 297 | b2826f67641f |
parent 124 | 5802e2ce68ed |
permissions | -rw-r--r-- |
90
947f0dc9f7a8
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
33
diff
changeset
|
1 |
// Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). |
0 | 2 |
// All rights reserved. |
3 |
// This component and the accompanying materials are made available |
|
4 |
// under the terms of the License "Eclipse Public License v1.0" |
|
5 |
// which accompanies this distribution, and is available |
|
6 |
// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
7 |
// |
|
8 |
// Initial Contributors: |
|
9 |
// Nokia Corporation - initial contribution. |
|
10 |
// |
|
11 |
// Contributors: |
|
12 |
// |
|
13 |
// Description: |
|
14 |
// |
|
15 |
||
16 |
/** |
|
17 |
@file |
|
18 |
@internalTechnology |
|
19 |
*/ |
|
20 |
||
21 |
#include <e32base.h> |
|
22 |
||
297 | 23 |
#include "OstTraceDefinitions.h" |
24 |
#ifdef OST_TRACE_COMPILER_IN_USE |
|
25 |
#include "cmassstoragefsmTraces.h" |
|
26 |
#endif |
|
27 |
||
0 | 28 |
#include "usbmshostpanic.h" |
29 |
#include "msctypes.h" |
|
30 |
#include "mprotocol.h" |
|
31 |
#include "mblocktransferprotocol.h" |
|
32 |
#include "tspcclientinterface.h" |
|
33 |
#include "cscsiprotocol.h" |
|
34 |
#include "cmassstoragefsm.h" |
|
35 |
||
36 |
||
297 | 37 |
|
0 | 38 |
/** |
39 |
Constructor |
|
40 |
||
41 |
@param aScsiProtocol A reference to CScsiProtocol |
|
42 |
*/ |
|
43 |
TMassStorage::TMassStorage(CScsiProtocol& aScsiProtocol) |
|
44 |
: iScsiProtocol(aScsiProtocol) |
|
45 |
{ |
|
46 |
} |
|
47 |
||
48 |
||
49 |
/** |
|
50 |
Clear StatusCheck flag. Periodic status checking is used for removable media. |
|
51 |
*/ |
|
52 |
void CMassStorageFsm::ClearStatusCheck() |
|
53 |
{ |
|
297 | 54 |
iStatusCheck = EFalse; |
0 | 55 |
} |
56 |
||
57 |
||
58 |
/** |
|
59 |
Set StatusCheck flag. Periodic status checking is used for removable media. |
|
60 |
*/ |
|
61 |
void CMassStorageFsm::SetStatusCheck() |
|
62 |
{ |
|
297 | 63 |
iStatusCheck = ETrue; |
0 | 64 |
} |
65 |
||
66 |
||
67 |
/** |
|
68 |
Get the boolean state of StatusCheck flag. |
|
69 |
||
70 |
@return TBool ETrue if StatusCheck flag is set |
|
71 |
*/ |
|
72 |
TBool CMassStorageFsm::IsStatusCheck() const |
|
73 |
{ |
|
297 | 74 |
return iStatusCheck; |
0 | 75 |
} |
76 |
||
77 |
||
78 |
/** |
|
79 |
Device supports SCSI BLOCK COMMANDS. |
|
80 |
||
81 |
@return TBool Returns ETrue if the SBC interface is initialised |
|
82 |
*/ |
|
83 |
TBool TMassStorage::IsSbcSet() const |
|
84 |
{ |
|
85 |
return iScsiProtocol.MsIsSbcSet(); |
|
86 |
} |
|
87 |
||
88 |
/** |
|
89 |
Device is removable media |
|
90 |
||
91 |
@return TBool Returns ETrue if removable |
|
92 |
*/ |
|
93 |
TBool TMassStorage::IsRemovableMedia() const |
|
94 |
{ |
|
95 |
return iScsiProtocol.MsIsRemovableMedia(); |
|
96 |
} |
|
97 |
||
98 |
/** |
|
99 |
Retrieve the sense info returned by a call to SenseL |
|
100 |
||
101 |
@return const TSenseInfo& Returns the SCSI SENSE info |
|
102 |
*/ |
|
103 |
const TSenseInfo& TMassStorage::MsSenseInfo() const |
|
104 |
{ |
|
105 |
return iScsiProtocol.MsSenseInfo(); |
|
106 |
} |
|
107 |
||
108 |
||
109 |
/** SCSI Request */ |
|
110 |
TMassStorage::TEvent TMassStorage::InquiryL() |
|
111 |
{ |
|
112 |
TEvent event = EEvCommandFailed; |
|
113 |
||
114 |
switch (iScsiProtocol.MsInquiryL()) |
|
115 |
{ |
|
116 |
case KErrNone: |
|
117 |
event = EEvCommandPassed; |
|
118 |
break; |
|
119 |
case KErrCommandFailed: |
|
120 |
event = EEvCommandFailed; |
|
121 |
break; |
|
122 |
case KErrNotSupported: |
|
297 | 123 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_SCSI, CMASSSTORAGEFSM_10, |
124 |
"INQUIRY Command returned NOT SUPPORTED"); |
|
0 | 125 |
User::Leave(KErrNotSupported); |
126 |
break; |
|
127 |
default: |
|
297 | 128 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_SCSI, CMASSSTORAGEFSM_11, |
129 |
"INQUIRY Command returned KErrUnknown"); |
|
0 | 130 |
User::Leave(KErrUnknown); |
131 |
break; |
|
132 |
} |
|
133 |
return event; |
|
134 |
} |
|
135 |
||
136 |
||
137 |
/** SCSI Request */ |
|
138 |
TMassStorage::TEvent TMassStorage::SenseL() |
|
139 |
{ |
|
140 |
TEvent event = EEvCommandPassed; |
|
141 |
switch (iScsiProtocol.MsRequestSenseL()) |
|
142 |
{ |
|
143 |
case KErrNone: |
|
144 |
break; |
|
145 |
case KErrCommandFailed: |
|
297 | 146 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_SCSI, CMASSSTORAGEFSM_12, |
147 |
"REQUEST SENSE Command Failed"); |
|
0 | 148 |
User::Leave(KErrNotSupported); |
149 |
break; |
|
150 |
default: |
|
297 | 151 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_SCSI, CMASSSTORAGEFSM_13, |
152 |
"INQUIRY Command returned KErrUnknown"); |
|
0 | 153 |
User::Leave(KErrUnknown); |
154 |
break; |
|
155 |
} |
|
156 |
return event; |
|
157 |
} |
|
158 |
||
159 |
||
160 |
/** SCSI Request */ |
|
161 |
TMassStorage::TEvent TMassStorage::TestUnitReadyL() |
|
162 |
{ |
|
163 |
// KErrCommandFailed indictates that device is NOT READY |
|
164 |
TInt err = iScsiProtocol.MsTestUnitReadyL(); |
|
165 |
return (err == KErrNone) ? EEvCommandPassed : EEvCommandFailed; |
|
166 |
} |
|
167 |
||
168 |
||
169 |
/** SCSI Request */ |
|
170 |
TMassStorage::TEvent TMassStorage::StartStopUnitL(TBool aStart) |
|
171 |
{ |
|
172 |
TInt err = iScsiProtocol.MsStartStopUnitL(aStart); |
|
173 |
return (err == KErrNone) ? EEvCommandPassed : EEvCommandFailed; |
|
174 |
} |
|
175 |
||
176 |
||
177 |
/** SCSI Request */ |
|
178 |
TMassStorage::TEvent TMassStorage::PreventAllowMediumRemovalL(TBool aPrevent) |
|
179 |
{ |
|
180 |
// KErrCommandFailed indictates that device is NOT READY |
|
181 |
TInt err = iScsiProtocol.MsPreventAllowMediaRemovalL(aPrevent); |
|
182 |
return (err == KErrNone) ? EEvCommandPassed : EEvCommandFailed; |
|
183 |
} |
|
184 |
||
185 |
||
186 |
/** SCSI Request */ |
|
187 |
TMassStorage::TEvent TMassStorage::ReadCapacityL() |
|
188 |
{ |
|
189 |
TInt err = iScsiProtocol.MsReadCapacityL(); |
|
190 |
return ErrToEvent(err); |
|
191 |
} |
|
192 |
||
193 |
||
194 |
/** SCSI Request */ |
|
195 |
TMassStorage::TEvent TMassStorage::ModeSense10L() |
|
196 |
{ |
|
197 |
TInt err = iScsiProtocol.MsModeSense10L(); |
|
198 |
return ErrToEvent(err); |
|
199 |
} |
|
200 |
||
201 |
||
202 |
/** SCSI Request */ |
|
203 |
TMassStorage::TEvent TMassStorage::ModeSense6L() |
|
204 |
{ |
|
205 |
TInt err = iScsiProtocol.MsModeSense6L(); |
|
206 |
return ErrToEvent(err); |
|
207 |
} |
|
208 |
||
209 |
||
210 |
/** |
|
211 |
Creates and returns a pointer to CMassStorageFsm. |
|
212 |
||
213 |
@param aScsiProtocol A reference to the protocol providing the interface to the |
|
214 |
mass storage device. |
|
215 |
||
216 |
@return CMassStorageFsm* A pointer to the newly created object |
|
217 |
*/ |
|
218 |
CMassStorageFsm* CMassStorageFsm::NewL(CScsiProtocol& aScsiProtocol) |
|
219 |
{ |
|
297 | 220 |
CMassStorageFsm* r = new (ELeave) CMassStorageFsm(aScsiProtocol); |
0 | 221 |
|
297 | 222 |
CleanupStack::PushL(r); |
223 |
r->ConstructL(); |
|
224 |
CleanupStack::Pop(); |
|
225 |
return r; |
|
0 | 226 |
} |
227 |
||
228 |
void CMassStorageFsm::ConstructL() |
|
229 |
{ |
|
230 |
TInt i = 0; |
|
231 |
// EInquiryState, |
|
232 |
iStateTable[i++] = new (ELeave) TInquiryState; |
|
233 |
// EInquirySenseState, |
|
234 |
iStateTable[i++] = new (ELeave) TInquirySenseState; |
|
235 |
// ENotReadyState, |
|
236 |
iStateTable[i++] = new (ELeave) TNotReadyState; |
|
237 |
// ENotReadySenseState, |
|
238 |
iStateTable[i++] = new (ELeave) TNotReadySenseState; |
|
239 |
// EStartUnitState |
|
240 |
iStateTable[i++] = new (ELeave) TStartUnitState; |
|
241 |
//EStartUnitSenseState, |
|
242 |
iStateTable[i++] = new (ELeave) TStartUnitSenseState; |
|
243 |
//EPreventAllowMediumRemovalState, |
|
244 |
iStateTable[i++] = new (ELeave) TPreventMediumRemovalState; |
|
245 |
//EPreventAllowMediumRemovalSenseState, |
|
246 |
iStateTable[i++] = new (ELeave) TPreventMediumRemovalSenseState; |
|
247 |
//EReadCapacity10State, |
|
248 |
iStateTable[i++] = new (ELeave) TReadCapacity10State; |
|
249 |
//EModeSense10State, |
|
250 |
iStateTable[i++] = new (ELeave) TModeSense10State; |
|
251 |
//EModeSense10SenseState, |
|
252 |
iStateTable[i++] = new (ELeave) TModeSense10SenseState; |
|
253 |
//EModeSense6State, |
|
254 |
iStateTable[i++] = new (ELeave) TModeSense6State; |
|
255 |
//EModeSense6SenseState, |
|
256 |
iStateTable[i++] = new (ELeave) TModeSense6SenseState; |
|
257 |
//EConnectedState, |
|
258 |
iStateTable[i++] = new (ELeave) TConnectedState; |
|
259 |
//EStatusCheck |
|
260 |
iStateTable[i++] = new (ELeave) TStatusCheckState; |
|
261 |
//EAllowMediumRemovalState, |
|
262 |
iStateTable[i++] = new (ELeave) TAllowMediumRemovalState; |
|
263 |
//EStopUnitState, |
|
264 |
iStateTable[i++] = new (ELeave) TStopUnitState; |
|
265 |
//ESenseState, |
|
266 |
iStateTable[i++] = new (ELeave) TSenseState; |
|
267 |
||
268 |
#ifdef __DEBUG |
|
269 |
// verify state table |
|
270 |
for (TInt i = 0; i < iStateTable.Count(), i++) |
|
271 |
{ |
|
272 |
__ASSERT_DEBUG(i == iStateTable[i].iStateId, User::Invariant()); |
|
273 |
} |
|
274 |
#endif |
|
275 |
||
276 |
SetState(TMassStorageState::EInquiryState); |
|
277 |
} |
|
278 |
||
279 |
||
280 |
CMassStorageFsm::CMassStorageFsm(CScsiProtocol& aScsiProtocol) |
|
281 |
: TMassStorage(aScsiProtocol), |
|
282 |
iStartStopUnitRequired(EFalse) |
|
283 |
{ |
|
284 |
} |
|
285 |
||
286 |
CMassStorageFsm::~CMassStorageFsm() |
|
287 |
{ |
|
288 |
for (TInt i = 0; i < iStateTable.Count(); i++) |
|
289 |
{ |
|
290 |
delete iStateTable[i]; |
|
291 |
} |
|
292 |
} |
|
293 |
||
294 |
||
295 |
TMassStorage::TEvent CMassStorageFsm::EntryL() |
|
296 |
{ |
|
297 |
return iState->EntryL(*this); |
|
298 |
} |
|
299 |
||
300 |
||
301 |
/** |
|
302 |
Run FSM to connect device. |
|
303 |
||
304 |
@return TInt KErrCompletion if successful otherwise KErrNotSupported |
|
305 |
*/ |
|
306 |
TInt CMassStorageFsm::ConnectLogicalUnitL() |
|
307 |
{ |
|
297 | 308 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_HOST, CMASSSTORAGEFSM_14, |
309 |
"Connect Logical Unit"); |
|
0 | 310 |
TInt err = KErrNone; |
311 |
for (;;) |
|
312 |
{ |
|
313 |
err = ProcessStateL(); |
|
314 |
if (err) |
|
315 |
break; |
|
316 |
} |
|
317 |
return err; |
|
318 |
} |
|
319 |
||
320 |
||
321 |
/** |
|
322 |
Run FSM to disconnect the device. |
|
323 |
||
324 |
@return TInt KErrCompletion if successful otherwise KErrNotSupported |
|
325 |
*/ |
|
326 |
TInt CMassStorageFsm::DisconnectLogicalUnitL() |
|
327 |
{ |
|
297 | 328 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_HOST, CMASSSTORAGEFSM_15, |
329 |
"Disconnect Logical Unit"); |
|
0 | 330 |
TInt err = KErrNone; |
331 |
for (;;) |
|
332 |
{ |
|
333 |
TInt err = ProcessStateL(); |
|
334 |
if (err) |
|
335 |
break; |
|
336 |
} |
|
337 |
return err; |
|
338 |
} |
|
339 |
||
340 |
||
341 |
/** |
|
342 |
Return current FSM state. |
|
343 |
||
344 |
@return TBool ETrue if FSM state is Connected State |
|
345 |
*/ |
|
346 |
TBool CMassStorageFsm::IsConnected() const |
|
347 |
{ |
|
348 |
return iState->iStateId == TMassStorageState::EConnectedState ? ETrue : EFalse; |
|
349 |
} |
|
350 |
||
351 |
||
352 |
TInt CMassStorageFsm::ProcessStateL() |
|
353 |
{ |
|
354 |
TMassStorage::TEvent event = TMassStorage::EEvCommandFailed; |
|
355 |
TRAPD(err, event = EntryL()); |
|
356 |
if (err == KErrNotSupported) |
|
357 |
{ |
|
297 | 358 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_HOST, CMASSSTORAGEFSM_16, |
359 |
"FSM ProcessState returning with KErrNotSupported"); |
|
0 | 360 |
return KErrNotSupported; |
361 |
} |
|
362 |
User::LeaveIfError(err); |
|
363 |
||
297 | 364 |
OstTrace1(TRACE_SHOSTMASSSTORAGE_HOST, CMASSSTORAGEFSM_17, |
365 |
"FSM event=%d", event); |
|
0 | 366 |
switch (event) |
367 |
{ |
|
368 |
case TMassStorage::EEvCommandPassed: |
|
369 |
err = ScsiCommandPassed(); |
|
370 |
break; |
|
371 |
case TMassStorage::EEvCommandFailed: |
|
372 |
err = ScsiCommandFailed(); |
|
373 |
break; |
|
374 |
case TMassStorage::EEvCommandError: |
|
375 |
err = ScsiCommandError(); |
|
376 |
break; |
|
377 |
default: |
|
378 |
User::Panic(KUsbMsHostPanicCat, EMsFsmEvent); |
|
379 |
break; |
|
380 |
} |
|
381 |
||
297 | 382 |
OstTrace1(TRACE_SHOSTMASSSTORAGE_HOST, CMASSSTORAGEFSM_18, |
383 |
"FSM ProcessState completed=%d", err); |
|
0 | 384 |
return err; |
385 |
} |
|
386 |
||
387 |
||
388 |
TInt CMassStorageFsm::ScsiCommandPassed() |
|
389 |
{ |
|
390 |
return iState->ScsiCommandPassed(*this); |
|
391 |
} |
|
392 |
||
393 |
||
394 |
TInt CMassStorageFsm::ScsiCommandFailed() |
|
395 |
{ |
|
396 |
return iState->ScsiCommandFailed(*this); |
|
397 |
} |
|
398 |
||
399 |
||
400 |
TInt CMassStorageFsm::ScsiCommandError() |
|
401 |
{ |
|
402 |
return iState->ScsiCommandError(*this); |
|
403 |
} |
|
404 |
||
405 |
||
406 |
/** |
|
407 |
Constructor |
|
408 |
||
409 |
@param aStateId The state id of the state implementation |
|
410 |
*/ |
|
411 |
TMassStorageState::TMassStorageState(TStateId aStateId) |
|
412 |
: iStateId(aStateId) |
|
413 |
{ |
|
414 |
} |
|
415 |
||
416 |
||
297 | 417 |
/** |
418 |
Default state does nothing. Used by states where the stalled event is not |
|
419 |
applicable |
|
420 |
||
0 | 421 |
@param aFsm |
297 | 422 |
|
0 | 423 |
@return TInt |
424 |
*/ |
|
425 |
TInt TMassStorageState::ScsiCommandError(CMassStorageFsm& /* aFsm */) |
|
426 |
{ |
|
427 |
return KErrNone; |
|
428 |
} |
|
429 |
||
430 |
||
431 |
TInt TMassStorageState::SenseError(CMassStorageFsm& aFsm) |
|
432 |
{ |
|
433 |
TInt ret = KErrNone; |
|
434 |
const TSenseInfo& senseInfo = aFsm.MsSenseInfo(); |
|
435 |
||
436 |
if (senseInfo.iSenseCode == TSenseInfo::EUnitAttention) |
|
437 |
{ |
|
438 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
439 |
} |
|
440 |
else |
|
441 |
{ |
|
442 |
aFsm.SetState(TMassStorageState::ENotReadyState); |
|
443 |
ret = KErrCompletion; |
|
444 |
} |
|
445 |
return ret; |
|
446 |
} |
|
447 |
||
448 |
||
449 |
/** |
|
450 |
||
451 |
*/ |
|
452 |
TInquiryState::TInquiryState() |
|
453 |
: TMassStorageState(EInquiryState) |
|
454 |
{ |
|
455 |
} |
|
456 |
||
457 |
||
458 |
TMassStorage::TEvent TInquiryState::EntryL(CMassStorageFsm& aFsm) |
|
459 |
{ |
|
460 |
return aFsm.InquiryL(); |
|
461 |
}; |
|
462 |
||
463 |
||
464 |
TInt TInquiryState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
465 |
{ |
|
466 |
aFsm.SetState(ENotReadyState); |
|
467 |
return KErrNone; |
|
468 |
}; |
|
469 |
||
470 |
||
471 |
TInt TInquiryState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
472 |
{ |
|
473 |
aFsm.SetState(EInquirySenseState); |
|
474 |
return KErrNone; |
|
475 |
} |
|
476 |
||
477 |
||
478 |
/** |
|
479 |
||
480 |
*/ |
|
481 |
TInquirySenseState::TInquirySenseState() |
|
482 |
: TMassStorageState(EInquirySenseState) |
|
483 |
{ |
|
484 |
} |
|
485 |
||
486 |
||
487 |
TMassStorage::TEvent TInquirySenseState::EntryL(CMassStorageFsm& aFsm) |
|
488 |
{ |
|
489 |
return aFsm.SenseL(); |
|
490 |
}; |
|
491 |
||
492 |
||
493 |
TInt TInquirySenseState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
494 |
{ |
|
495 |
// SENSE ERROR |
|
496 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
497 |
return KErrCompletion; |
|
498 |
}; |
|
499 |
||
500 |
||
501 |
TInt TInquirySenseState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
502 |
{ |
|
503 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
504 |
return KErrCompletion; |
|
505 |
} |
|
506 |
||
507 |
||
508 |
/** |
|
509 |
||
510 |
*/ |
|
511 |
TNotReadyState::TNotReadyState() |
|
512 |
: TMassStorageState(ENotReadyState) |
|
513 |
{ |
|
514 |
} |
|
515 |
||
516 |
||
517 |
TMassStorage::TEvent TNotReadyState::EntryL(CMassStorageFsm& aFsm) |
|
518 |
{ |
|
519 |
return aFsm.TestUnitReadyL(); |
|
520 |
} |
|
521 |
||
522 |
||
523 |
TInt TNotReadyState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
524 |
{ |
|
525 |
if (aFsm.IsSbcSet()) |
|
526 |
{ |
|
527 |
if (aFsm.IsRemovableMedia()) |
|
528 |
aFsm.SetState(TMassStorageState::EPreventRemovalState); |
|
529 |
else |
|
530 |
aFsm.SetState(TMassStorageState::EReadCapacityState); |
|
531 |
} |
|
532 |
else |
|
124 | 533 |
{ |
297 | 534 |
OstTrace0(TRACE_SHOSTMASSSTORAGE_HOST, CMASSSTORAGEFSM_19, |
535 |
"SBC is not set !!"); |
|
124 | 536 |
aFsm.SetState(TMassStorageState::EReadCapacityState); |
537 |
} |
|
297 | 538 |
|
0 | 539 |
return KErrNone; |
540 |
} |
|
541 |
||
542 |
||
543 |
TInt TNotReadyState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
544 |
{ |
|
545 |
aFsm.SetState(TMassStorageState::ENotReadySenseState); |
|
546 |
return KErrNone; |
|
547 |
} |
|
548 |
||
549 |
||
550 |
/** |
|
551 |
||
552 |
*/ |
|
553 |
TNotReadySenseState::TNotReadySenseState() |
|
554 |
: TMassStorageState(ENotReadySenseState) |
|
555 |
{ |
|
556 |
} |
|
557 |
||
558 |
||
559 |
TMassStorage::TEvent TNotReadySenseState::EntryL(CMassStorageFsm& aFsm) |
|
560 |
{ |
|
561 |
return aFsm.SenseL(); |
|
562 |
} |
|
563 |
||
564 |
||
565 |
TInt TNotReadySenseState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
566 |
{ |
|
567 |
const TSenseInfo& senseInfo = aFsm.MsSenseInfo(); |
|
568 |
TInt ret = KErrNone; |
|
569 |
||
570 |
if (senseInfo.iSenseCode == TSenseInfo::ENotReady && |
|
571 |
senseInfo.iAdditional == TSenseInfo::EAscLogicalUnitNotReady && |
|
572 |
senseInfo.iQualifier == TSenseInfo::EAscqInitializingCommandRequired) |
|
573 |
{ |
|
574 |
aFsm.SetStartStopUnitRequired(ETrue); |
|
575 |
aFsm.SetState(TMassStorageState::EStartUnitState); |
|
576 |
} |
|
577 |
else |
|
578 |
{ |
|
579 |
ret = TMassStorageState::SenseError(aFsm); |
|
580 |
} |
|
581 |
||
582 |
return ret; |
|
583 |
} |
|
584 |
||
585 |
||
586 |
TInt TNotReadySenseState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
587 |
{ |
|
588 |
return TMassStorageState::SenseError(aFsm); |
|
589 |
} |
|
590 |
||
591 |
||
592 |
/** |
|
593 |
||
594 |
*/ |
|
595 |
TStartUnitState::TStartUnitState() |
|
596 |
: TMassStorageState(EPreventRemovalState) |
|
597 |
{ |
|
598 |
} |
|
599 |
||
600 |
||
601 |
TMassStorage::TEvent TStartUnitState::EntryL(CMassStorageFsm& aFsm) |
|
602 |
{ |
|
603 |
return aFsm.StartStopUnitL(ETrue); |
|
604 |
} |
|
605 |
||
606 |
||
607 |
TInt TStartUnitState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
608 |
{ |
|
609 |
if (aFsm.IsRemovableMedia()) |
|
610 |
aFsm.SetState(TMassStorageState::EPreventRemovalState); |
|
611 |
else |
|
612 |
aFsm.SetState(TMassStorageState::EReadCapacityState); |
|
613 |
return KErrNone; |
|
614 |
} |
|
615 |
||
616 |
||
617 |
TInt TStartUnitState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
618 |
{ |
|
619 |
aFsm.SetState(TMassStorageState::EPreventRemovalSenseState); |
|
620 |
return KErrNone; |
|
621 |
} |
|
622 |
||
623 |
/** |
|
624 |
||
625 |
*/ |
|
626 |
TStartUnitSenseState::TStartUnitSenseState() |
|
627 |
: TMassStorageState(EPreventRemovalSenseState) |
|
628 |
{ |
|
629 |
} |
|
630 |
||
631 |
||
632 |
TMassStorage::TEvent TStartUnitSenseState::EntryL(CMassStorageFsm& aFsm) |
|
633 |
{ |
|
634 |
return aFsm.SenseL(); |
|
635 |
} |
|
636 |
||
637 |
||
638 |
TInt TStartUnitSenseState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
639 |
{ |
|
640 |
if (aFsm.IsRemovableMedia()) |
|
641 |
aFsm.SetState(TMassStorageState::EPreventRemovalState); |
|
642 |
else |
|
643 |
aFsm.SetState(TMassStorageState::EReadCapacityState); |
|
644 |
||
645 |
return KErrNone; |
|
646 |
} |
|
647 |
||
648 |
||
649 |
TInt TStartUnitSenseState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
650 |
{ |
|
651 |
TInt ret = KErrCompletion; |
|
652 |
const TSenseInfo& senseInfo = aFsm.MsSenseInfo(); |
|
653 |
||
654 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
655 |
if (senseInfo.iSenseCode == TSenseInfo::EIllegalRequest) |
|
656 |
{ |
|
657 |
aFsm.SetState(TMassStorageState::EReadCapacityState); |
|
658 |
ret = KErrNone; |
|
659 |
} |
|
660 |
else |
|
661 |
{ |
|
662 |
ret = TMassStorageState::SenseError(aFsm); |
|
663 |
} |
|
664 |
||
665 |
return ret; |
|
666 |
} |
|
667 |
||
668 |
||
669 |
/** |
|
670 |
||
671 |
*/ |
|
672 |
TPreventMediumRemovalState::TPreventMediumRemovalState() |
|
673 |
: TMassStorageState(EPreventRemovalState) |
|
674 |
{ |
|
675 |
} |
|
676 |
||
677 |
||
678 |
TMassStorage::TEvent TPreventMediumRemovalState::EntryL(CMassStorageFsm& aFsm) |
|
679 |
{ |
|
680 |
return aFsm.PreventAllowMediumRemovalL(ETrue); |
|
681 |
} |
|
682 |
||
683 |
||
684 |
TInt TPreventMediumRemovalState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
685 |
{ |
|
686 |
aFsm.SetState(TMassStorageState::EReadCapacityState); |
|
687 |
return KErrNone; |
|
688 |
} |
|
689 |
||
690 |
||
691 |
TInt TPreventMediumRemovalState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
692 |
{ |
|
693 |
aFsm.SetState(TMassStorageState::EPreventRemovalSenseState); |
|
694 |
return KErrNone; |
|
695 |
} |
|
696 |
||
697 |
/** |
|
698 |
||
699 |
*/ |
|
700 |
TPreventMediumRemovalSenseState::TPreventMediumRemovalSenseState() |
|
701 |
: TMassStorageState(EPreventRemovalSenseState) |
|
702 |
{ |
|
703 |
} |
|
704 |
||
705 |
||
706 |
TMassStorage::TEvent TPreventMediumRemovalSenseState::EntryL(CMassStorageFsm& aFsm) |
|
707 |
{ |
|
708 |
return aFsm.SenseL(); |
|
709 |
} |
|
710 |
||
711 |
||
712 |
TInt TPreventMediumRemovalSenseState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
713 |
{ |
|
714 |
aFsm.SetState(TMassStorageState::EReadCapacityState); |
|
715 |
return KErrNone; |
|
716 |
} |
|
717 |
||
718 |
||
719 |
||
720 |
||
721 |
TInt TPreventMediumRemovalSenseState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
722 |
{ |
|
723 |
TInt ret = KErrCompletion; |
|
724 |
const TSenseInfo& senseInfo = aFsm.MsSenseInfo(); |
|
725 |
||
726 |
if (senseInfo.iSenseCode == TSenseInfo::EIllegalRequest) |
|
727 |
{ |
|
728 |
aFsm.SetState(TMassStorageState::EReadCapacityState); |
|
729 |
ret = KErrNone; |
|
730 |
} |
|
731 |
else |
|
732 |
{ |
|
733 |
ret = TMassStorageState::SenseError(aFsm); |
|
734 |
} |
|
735 |
return ret; |
|
736 |
} |
|
737 |
||
738 |
||
739 |
/** |
|
740 |
||
741 |
*/ |
|
742 |
TReadCapacity10State::TReadCapacity10State() |
|
743 |
: TMassStorageState(EReadCapacityState) |
|
744 |
{ |
|
745 |
} |
|
746 |
||
747 |
||
748 |
TMassStorage::TEvent TReadCapacity10State::EntryL(CMassStorageFsm& aFsm) |
|
749 |
{ |
|
750 |
return aFsm.ReadCapacityL(); |
|
751 |
}; |
|
752 |
||
753 |
||
754 |
TInt TReadCapacity10State::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
755 |
{ |
|
756 |
aFsm.SetState(EModeSense10State); |
|
757 |
return KErrNone; |
|
758 |
}; |
|
759 |
||
760 |
||
761 |
TInt TReadCapacity10State::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
762 |
{ |
|
763 |
aFsm.SetState(TMassStorageState::ESenseState); |
|
764 |
return KErrCompletion; |
|
765 |
} |
|
766 |
||
767 |
||
768 |
TInt TReadCapacity10State::ScsiCommandError(CMassStorageFsm& aFsm) |
|
769 |
{ |
|
770 |
aFsm.SetState(TMassStorageState::ENotReadyState); |
|
771 |
return KErrCompletion; |
|
772 |
} |
|
773 |
||
774 |
||
775 |
/** |
|
776 |
||
777 |
*/ |
|
778 |
TModeSense10State::TModeSense10State() |
|
779 |
: TMassStorageState(EModeSense10State) |
|
780 |
{ |
|
781 |
} |
|
782 |
||
783 |
||
784 |
TMassStorage::TEvent TModeSense10State::EntryL(CMassStorageFsm& aFsm) |
|
785 |
{ |
|
786 |
return aFsm.ModeSense10L(); |
|
787 |
}; |
|
788 |
||
789 |
||
790 |
TInt TModeSense10State::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
791 |
{ |
|
792 |
aFsm.SetState(EConnectedState); |
|
793 |
return KErrCompletion; |
|
794 |
}; |
|
795 |
||
796 |
||
797 |
TInt TModeSense10State::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
798 |
{ |
|
799 |
aFsm.SetState(EModeSense10SenseState); |
|
800 |
return KErrNone; |
|
801 |
} |
|
802 |
||
803 |
||
804 |
TInt TModeSense10State::ScsiCommandError(CMassStorageFsm& aFsm) |
|
805 |
{ |
|
806 |
aFsm.SetState(EModeSense6State); |
|
807 |
return KErrNone; |
|
808 |
} |
|
809 |
||
810 |
/** |
|
811 |
||
812 |
*/ |
|
813 |
TModeSense10SenseState::TModeSense10SenseState() |
|
814 |
: TMassStorageState(EModeSense10SenseState) |
|
815 |
{ |
|
816 |
} |
|
817 |
||
818 |
||
819 |
TMassStorage::TEvent TModeSense10SenseState::EntryL(CMassStorageFsm& aFsm) |
|
820 |
{ |
|
821 |
return aFsm.SenseL(); |
|
822 |
}; |
|
823 |
||
824 |
||
825 |
TInt TModeSense10SenseState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
826 |
{ |
|
827 |
TInt ret = KErrCompletion; |
|
828 |
const TSenseInfo& senseInfo = aFsm.MsSenseInfo(); |
|
829 |
||
830 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
831 |
if (senseInfo.iSenseCode == TSenseInfo::EIllegalRequest) |
|
832 |
{ |
|
833 |
aFsm.SetState(TMassStorageState::EModeSense6State); |
|
834 |
ret = KErrNone; |
|
835 |
} |
|
836 |
else |
|
837 |
{ |
|
838 |
ret = TMassStorageState::SenseError(aFsm); |
|
839 |
} |
|
840 |
return ret; |
|
841 |
}; |
|
842 |
||
843 |
||
844 |
TInt TModeSense10SenseState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
845 |
{ |
|
846 |
aFsm.SetState(EInquirySenseState); |
|
847 |
return KErrCompletion; |
|
848 |
} |
|
849 |
||
850 |
/** |
|
851 |
||
852 |
*/ |
|
853 |
TModeSense6State::TModeSense6State() |
|
854 |
: TMassStorageState(EModeSense6State) |
|
855 |
{ |
|
856 |
} |
|
857 |
||
858 |
||
859 |
TMassStorage::TEvent TModeSense6State::EntryL(CMassStorageFsm& aFsm) |
|
860 |
{ |
|
861 |
return aFsm.ModeSense6L(); |
|
862 |
}; |
|
863 |
||
864 |
||
865 |
TInt TModeSense6State::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
866 |
{ |
|
867 |
aFsm.SetState(EConnectedState); |
|
868 |
return KErrCompletion; |
|
869 |
}; |
|
870 |
||
871 |
||
872 |
TInt TModeSense6State::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
873 |
{ |
|
874 |
aFsm.SetState(EModeSense6SenseState); |
|
875 |
return KErrNone; |
|
876 |
} |
|
877 |
||
878 |
||
879 |
TInt TModeSense6State::ScsiCommandError(CMassStorageFsm& aFsm) |
|
880 |
{ |
|
881 |
// If device responds with protocol error, ignore the error and assume the |
|
882 |
// device is not write protected |
|
883 |
aFsm.SetState(EConnectedState); |
|
884 |
return KErrCompletion; |
|
885 |
} |
|
886 |
||
887 |
||
888 |
/** |
|
889 |
||
890 |
*/ |
|
891 |
TModeSense6SenseState::TModeSense6SenseState() |
|
892 |
: TMassStorageState(EModeSense6SenseState) |
|
893 |
{ |
|
894 |
} |
|
895 |
||
896 |
||
897 |
TMassStorage::TEvent TModeSense6SenseState::EntryL(CMassStorageFsm& aFsm) |
|
898 |
{ |
|
899 |
return aFsm.SenseL(); |
|
900 |
}; |
|
901 |
||
902 |
||
903 |
TInt TModeSense6SenseState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
904 |
{ |
|
905 |
TInt ret = KErrCompletion; |
|
906 |
const TSenseInfo& senseInfo = aFsm.MsSenseInfo(); |
|
907 |
||
908 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
909 |
if (senseInfo.iSenseCode == TSenseInfo::EIllegalRequest) |
|
910 |
{ |
|
911 |
aFsm.SetState(TMassStorageState::EConnectedState); |
|
912 |
} |
|
913 |
else |
|
914 |
{ |
|
915 |
ret = TMassStorageState::SenseError(aFsm); |
|
916 |
} |
|
917 |
return ret; |
|
918 |
}; |
|
919 |
||
920 |
||
921 |
TInt TModeSense6SenseState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
922 |
{ |
|
923 |
aFsm.SetState(EInquirySenseState); |
|
924 |
return KErrCompletion; |
|
925 |
} |
|
926 |
||
927 |
||
928 |
||
929 |
/** |
|
930 |
||
931 |
*/ |
|
932 |
TConnectedState::TConnectedState() |
|
933 |
: TMassStorageState(EConnectedState) |
|
934 |
{ |
|
935 |
} |
|
936 |
||
937 |
||
938 |
TMassStorage::TEvent TConnectedState::EntryL(CMassStorageFsm& /* aFsm */) |
|
939 |
{ |
|
940 |
return TMassStorage::EEvCommandPassed; |
|
941 |
}; |
|
942 |
||
943 |
||
944 |
TInt TConnectedState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
945 |
{ |
|
946 |
TInt ret = KErrNone; |
|
947 |
||
948 |
if (aFsm.IsRemovableMedia()) |
|
949 |
{ |
|
297 | 950 |
if(aFsm.IsStatusCheck()) |
951 |
{ |
|
952 |
aFsm.SetState(TMassStorageState::EStatusCheckState); |
|
953 |
} |
|
954 |
else |
|
0 | 955 |
{ |
956 |
aFsm.SetState(TMassStorageState::EAllowRemovalState); |
|
957 |
} |
|
958 |
} |
|
959 |
else if (aFsm.StartStopUnitRequired()) |
|
960 |
{ |
|
961 |
aFsm.SetState(TMassStorageState::EStopUnitState); |
|
962 |
} |
|
963 |
else |
|
964 |
{ |
|
297 | 965 |
aFsm.SetState(TMassStorageState::ENotReadyState); |
966 |
ret = KErrCompletion; |
|
0 | 967 |
} |
968 |
return ret; |
|
969 |
}; |
|
970 |
||
971 |
||
972 |
TInt TConnectedState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
973 |
{ |
|
974 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
975 |
return KErrCompletion; |
|
976 |
} |
|
977 |
||
978 |
||
979 |
/** |
|
980 |
||
981 |
*/ |
|
982 |
TStatusCheckState::TStatusCheckState() |
|
983 |
: TMassStorageState(EStatusCheckState) |
|
984 |
{ |
|
985 |
} |
|
986 |
||
987 |
||
988 |
TMassStorage::TEvent TStatusCheckState::EntryL(CMassStorageFsm& aFsm) |
|
989 |
{ |
|
990 |
return aFsm.TestUnitReadyL(); |
|
991 |
}; |
|
992 |
||
993 |
||
994 |
TInt TStatusCheckState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
995 |
{ |
|
996 |
aFsm.SetState(EConnectedState); |
|
997 |
return KErrCompletion; |
|
998 |
}; |
|
999 |
||
1000 |
||
1001 |
TInt TStatusCheckState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
1002 |
{ |
|
297 | 1003 |
aFsm.SetState(ESenseState); |
0 | 1004 |
return KErrNone; |
1005 |
} |
|
1006 |
||
1007 |
||
1008 |
/** |
|
1009 |
||
1010 |
*/ |
|
1011 |
TAllowMediumRemovalState::TAllowMediumRemovalState() |
|
1012 |
: TMassStorageState(EAllowRemovalState) |
|
1013 |
{ |
|
1014 |
} |
|
1015 |
||
1016 |
||
1017 |
TMassStorage::TEvent TAllowMediumRemovalState::EntryL(CMassStorageFsm& aFsm) |
|
1018 |
{ |
|
1019 |
return aFsm.PreventAllowMediumRemovalL(EFalse); |
|
1020 |
} |
|
1021 |
||
1022 |
||
1023 |
TInt TAllowMediumRemovalState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
1024 |
{ |
|
1025 |
TInt ret = KErrNone; |
|
1026 |
if (aFsm.StartStopUnitRequired()) |
|
1027 |
{ |
|
1028 |
aFsm.SetState(TMassStorageState::EStopUnitState); |
|
1029 |
} |
|
1030 |
else |
|
1031 |
{ |
|
1032 |
aFsm.SetState(ENotReadyState); |
|
1033 |
ret = KErrCompletion; |
|
1034 |
} |
|
1035 |
return ret; |
|
1036 |
}; |
|
1037 |
||
1038 |
||
1039 |
TInt TAllowMediumRemovalState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
1040 |
{ |
|
1041 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
1042 |
return KErrCompletion; |
|
1043 |
} |
|
1044 |
||
1045 |
||
1046 |
/** |
|
1047 |
||
1048 |
*/ |
|
1049 |
TStopUnitState::TStopUnitState() |
|
1050 |
: TMassStorageState(EStopUnitState) |
|
1051 |
{ |
|
1052 |
} |
|
1053 |
||
1054 |
||
1055 |
TMassStorage::TEvent TStopUnitState::EntryL(CMassStorageFsm& aFsm) |
|
1056 |
{ |
|
1057 |
return aFsm.StartStopUnitL(EFalse); |
|
1058 |
} |
|
1059 |
||
1060 |
||
1061 |
TInt TStopUnitState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
1062 |
{ |
|
1063 |
aFsm.SetState(ENotReadyState); |
|
1064 |
return KErrCompletion; |
|
1065 |
}; |
|
1066 |
||
1067 |
||
1068 |
TInt TStopUnitState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
1069 |
{ |
|
1070 |
aFsm.SetState(TMassStorageState::EInquiryState); |
|
1071 |
return KErrCompletion; |
|
1072 |
} |
|
1073 |
||
1074 |
||
1075 |
/** |
|
1076 |
||
1077 |
*/ |
|
1078 |
TSenseState::TSenseState() |
|
1079 |
: TMassStorageState(EConnectedState) |
|
1080 |
{ |
|
1081 |
} |
|
1082 |
||
1083 |
||
1084 |
TMassStorage::TEvent TSenseState::EntryL(CMassStorageFsm& aFsm) |
|
1085 |
{ |
|
1086 |
return aFsm.SenseL(); |
|
1087 |
}; |
|
1088 |
||
1089 |
||
1090 |
TInt TSenseState::ScsiCommandPassed(CMassStorageFsm& aFsm) |
|
1091 |
{ |
|
1092 |
aFsm.SetState(ENotReadyState); |
|
1093 |
return KErrCompletion; |
|
1094 |
}; |
|
1095 |
||
1096 |
||
1097 |
TInt TSenseState::ScsiCommandFailed(CMassStorageFsm& aFsm) |
|
1098 |
{ |
|
1099 |
// This event should not happen |
|
1100 |
aFsm.SetState(EInquiryState); |
|
1101 |
return KErrCompletion; |
|
1102 |
} |
|
1103 |