|
1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
|
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 <e32std.h> |
|
22 #include <e32std_private.h> |
|
23 |
|
24 #include "msgservice.h" |
|
25 #include "rusbhostmsdevice.h" |
|
26 #include "rusbhostmslogicalunit.h" |
|
27 #include "debug.h" |
|
28 |
|
29 TVersion RUsbHostMsLogicalUnit::Version() const |
|
30 { |
|
31 return(TVersion(KUsbHostMsSrvMajorVersionNumber, |
|
32 KUsbHostMsSrvMinorVersionNumber, |
|
33 KUsbHostMsSrvBuildVersionNumber)); |
|
34 } |
|
35 |
|
36 EXPORT_C RUsbHostMsLogicalUnit::RUsbHostMsLogicalUnit() |
|
37 { |
|
38 // Intentionally left blank |
|
39 } |
|
40 |
|
41 /** |
|
42 Send a command to initialise the Mass Storage device. |
|
43 |
|
44 @param aMsg |
|
45 @param aDevHandleIndex |
|
46 @param aLun |
|
47 |
|
48 @return TInt |
|
49 */ |
|
50 EXPORT_C TInt RUsbHostMsLogicalUnit::Initialise(const RMessage2& aMsg, |
|
51 TInt aDevHandleIndex, |
|
52 TUint32 aLun) |
|
53 { |
|
54 __FNLOG("RUsbHostMsLogicalUnit::Initialise"); |
|
55 TInt r = dev.Open(aMsg, aDevHandleIndex); |
|
56 if (r != KErrNone) |
|
57 { |
|
58 __PRINT1(_L("Session handle can not be opened %d"),r); |
|
59 return r; |
|
60 } |
|
61 |
|
62 r = CreateSubSession(dev, EUsbHostMsRegisterLun, TIpcArgs(aLun)); |
|
63 if (r != KErrNone) |
|
64 { |
|
65 __PRINT1(_L("SubSession creation failed %d"),r); |
|
66 return r; |
|
67 } |
|
68 return r; |
|
69 } |
|
70 |
|
71 |
|
72 /** |
|
73 Send a command to read the Mass Storage device. |
|
74 |
|
75 @param aPos Position to start reading from |
|
76 @param aLength Number of Bytes |
|
77 @param aTrg Buffer to copy data to |
|
78 |
|
79 @return TInt KErrNone, if the send operation is successful; |
|
80 KErrServerTerminated, if the server no longer present; KErrServerBusy, if there are no message slots available; |
|
81 KErrNoMemory, if there is insufficient memory available. |
|
82 */ |
|
83 EXPORT_C TInt RUsbHostMsLogicalUnit::Read(TInt64 aPos, TInt aLength, TDes8& aTrg) |
|
84 { |
|
85 __FNLOG("RUsbHostMsLogicalUnit::Read"); |
|
86 |
|
87 TReadWrite data; |
|
88 data.iPos = aPos; |
|
89 data.iLen = aLength; |
|
90 |
|
91 __PRINT2(_L("pos = 0x%lx, len = x%x"), data.iPos, data.iLen); |
|
92 |
|
93 TPckg<TReadWrite> pckg(data); |
|
94 /* We handle the message asynchronously in the thread modelled MSC */ |
|
95 TRequestStatus status; |
|
96 SendReceive(EUsbHostMsRead, TIpcArgs(&pckg, &aTrg), status); |
|
97 User::WaitForRequest(status); |
|
98 __PRINT2(_L("pos = 0x%lx, len = x%x"), data.iPos, data.iLen); |
|
99 return status.Int(); |
|
100 } |
|
101 |
|
102 |
|
103 /** |
|
104 Send a command to write to the Mass Storage device. |
|
105 |
|
106 @param aPos Position to start reading from |
|
107 @param aLength Number of Bytes |
|
108 @param aTrg Buffer to copy data from |
|
109 |
|
110 @return TInt KErrNone, if the send operation is successful; |
|
111 KErrServerTerminated, if the server no longer present; KErrServerBusy, if there are no message slots available; |
|
112 KErrNoMemory, if there is insufficient memory available. |
|
113 available. |
|
114 */ |
|
115 EXPORT_C TInt RUsbHostMsLogicalUnit::Write(TInt64 aPos, TInt aLength, const TDesC8& aTrg) |
|
116 { |
|
117 __FNLOG("RUsbHostMsLogicalUnit::Write"); |
|
118 |
|
119 TReadWrite data; |
|
120 data.iPos = aPos; |
|
121 data.iLen = aLength; |
|
122 |
|
123 __PRINT2(_L("pos = 0x%lx, len = x%x"), data.iPos, data.iLen); |
|
124 |
|
125 TPckg<TReadWrite> pckg(data); |
|
126 /* We handle the message asynchronously in the thread modelled MSC */ |
|
127 TRequestStatus status; |
|
128 SendReceive(EUsbHostMsWrite, TIpcArgs(&aTrg, &pckg), status); |
|
129 User::WaitForRequest(status); |
|
130 return status.Int(); |
|
131 } |
|
132 |
|
133 |
|
134 /** |
|
135 Send a command to erase an area of the Mass Storage device. |
|
136 |
|
137 @param aPos Position to start reading from |
|
138 @param aLength Number of Bytes |
|
139 |
|
140 @return TInt KErrNone, if the send operation is successful; |
|
141 KErrServerTerminated, if the server no longer present; KErrServerBusy, if there are no message slots available; |
|
142 KErrNoMemory, if there is insufficient memory available. |
|
143 available. |
|
144 */ |
|
145 EXPORT_C TInt RUsbHostMsLogicalUnit::Erase(TInt64 aPos, TInt aLength) |
|
146 { |
|
147 __FNLOG("RUsbHostMsLogicalUnit::Erase"); |
|
148 |
|
149 TReadWrite data; |
|
150 data.iPos = aPos; |
|
151 data.iLen = aLength; |
|
152 |
|
153 __PRINT2(_L("pos = 0x%lx, len = x%x"), data.iPos, data.iLen); |
|
154 |
|
155 TPckg<TReadWrite> pckg(data); |
|
156 /* We handle the message asynchronously in the thread modelled MSC */ |
|
157 TRequestStatus status; |
|
158 SendReceive(EUsbHostMsErase, TIpcArgs(&pckg), status); |
|
159 User::WaitForRequest(status); |
|
160 return status.Int(); |
|
161 } |
|
162 |
|
163 |
|
164 /** |
|
165 Send a command to get the nedia's capacity info. |
|
166 |
|
167 @param aCapsInfo [OUT] A buffer to copy the capacity info to. |
|
168 |
|
169 @return TInt KErrNone, if the send operation is successful; |
|
170 KErrServerTerminated, if the server no longer present; KErrServerBusy, if there |
|
171 are no message slots available; KErrNoMemory, if there is insufficient memory |
|
172 available. |
|
173 */ |
|
174 EXPORT_C TInt RUsbHostMsLogicalUnit::Caps(TCapsInfo& aCapsInfo) |
|
175 { |
|
176 __FNLOG("RUsbHostMsLogicalUnit::Caps"); |
|
177 |
|
178 TPckg<TCapsInfo> data(aCapsInfo); |
|
179 |
|
180 /* We handle the message asynchronously in the thread modelled MSC */ |
|
181 TRequestStatus status; |
|
182 SendReceive(EUsbHostMsCapacity, TIpcArgs(&data),status); |
|
183 User::WaitForRequest(status); |
|
184 return status.Int(); |
|
185 } |
|
186 |
|
187 /** |
|
188 Request notification of media change to the file server |
|
189 |
|
190 @param aChanged The descriptor pointing to iChanged flag in TDrive to be updated |
|
191 when error occurs during read or write. |
|
192 @param aStatus The request status This is set to KErrNone on completion, or KErrCancel when the logical unit is closed; |
|
193 KErrServerTerminated, if the server no longer present; KErrServerBusy, if there are no message slots available; |
|
194 KErrNoMemory, if there is insufficient memory available. |
|
195 @return None |
|
196 */ |
|
197 EXPORT_C void RUsbHostMsLogicalUnit::NotifyChange(TDes8& aChanged, TRequestStatus &aStatus) |
|
198 { |
|
199 __FNLOG("RUsbHostMsLogicalUnit::NotifyChange"); |
|
200 |
|
201 SendReceive(EUsbHostMsNotifyChange, TIpcArgs(&aChanged), aStatus); |
|
202 } |
|
203 |
|
204 /** |
|
205 Request to suspend the logical unit associated with this drive |
|
206 */ |
|
207 EXPORT_C void RUsbHostMsLogicalUnit::SuspendLun() |
|
208 { |
|
209 __FNLOG("RUsbHostMsLogicalUnit::SuspendLun"); |
|
210 |
|
211 SendReceive(EUsbHostMsSuspendLun, TIpcArgs(NULL)); |
|
212 } |
|
213 |
|
214 /** |
|
215 Close the sub-session. |
|
216 |
|
217 @return TInt KErrNone |
|
218 */ |
|
219 EXPORT_C TInt RUsbHostMsLogicalUnit::UnInitialise() |
|
220 { |
|
221 __FNLOG("RUsbHostMsLogicalUnit::UnInitialise"); |
|
222 |
|
223 CloseSubSession(EUsbHostMsUnRegisterLun); |
|
224 dev.Close(); |
|
225 return KErrNone; |
|
226 } |
|
227 |
|
228 |
|
229 /** |
|
230 Request that the drive is remounted. |
|
231 |
|
232 @param aFlags Flags to be passed to the drive |
|
233 |
|
234 @return EXPORT_C TInt KErrNone, if the send operation is successful; |
|
235 KErrServerTerminated, if the server no longer present; KErrServerBusy, if there |
|
236 are no message slots available; KErrNoMemory, if there is insufficient memory |
|
237 available. |
|
238 */ |
|
239 EXPORT_C TInt RUsbHostMsLogicalUnit::ForceRemount(TUint aFlags) |
|
240 { |
|
241 __FNLOG("RUsbHostMsLogicalUnit::ForceRemount"); |
|
242 |
|
243 __PRINT1(_L("flags = %d"), aFlags); |
|
244 |
|
245 TRequestStatus status; |
|
246 SendReceive(EUsbHostMsForceRemount, TIpcArgs(aFlags), status); |
|
247 User::WaitForRequest(status); |
|
248 return status.Int(); |
|
249 } |
|
250 |
|
251 EXPORT_C void RUsbHostMsLogicalUnit::NotifyChangeCancel() |
|
252 { |
|
253 __FNLOG("RUsbHostMsLogicalUnit::NotifyChangeCancel"); |
|
254 SendReceive(EUsbHostMsCancelChangeNotifier, TIpcArgs(NULL)); |
|
255 } |