userlibandfileserver/fileserver/shostmassstorage/client/rusbhostmslogicalunit.cpp
changeset 300 1d28c8722707
parent 33 0173bcd7697c
equal deleted inserted replaced
293:0659d0e1a03c 300:1d28c8722707
     1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
     1 // Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
     2 // All rights reserved.
     2 // All rights reserved.
     3 // This component and the accompanying materials are made available
     3 // This component and the accompanying materials are made available
     4 // under the terms of the License "Eclipse Public License v1.0"
     4 // under the terms of the License "Eclipse Public License v1.0"
     5 // which accompanies this distribution, and is available
     5 // which accompanies this distribution, and is available
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
    21 #include <e32std.h>
    21 #include <e32std.h>
    22 
    22 
    23 #include "msgservice.h"
    23 #include "msgservice.h"
    24 #include "rusbhostmsdevice.h"
    24 #include "rusbhostmsdevice.h"
    25 #include "rusbhostmslogicalunit.h"
    25 #include "rusbhostmslogicalunit.h"
    26 #include "debug.h"
    26 
       
    27 #include "OstTraceDefinitions.h"
       
    28 #ifdef OST_TRACE_COMPILER_IN_USE
       
    29 #include "rusbhostmslogicalunitTraces.h"
       
    30 #endif
       
    31 
    27 
    32 
    28 TVersion RUsbHostMsLogicalUnit::Version() const
    33 TVersion RUsbHostMsLogicalUnit::Version() const
    29 	{
    34     {
    30 	return(TVersion(KUsbHostMsSrvMajorVersionNumber,
    35     return(TVersion(KUsbHostMsSrvMajorVersionNumber,
    31                     KUsbHostMsSrvMinorVersionNumber,
    36                     KUsbHostMsSrvMinorVersionNumber,
    32                     KUsbHostMsSrvBuildVersionNumber));
    37                     KUsbHostMsSrvBuildVersionNumber));
    33 	}
    38     }
    34 
    39 
    35 EXPORT_C RUsbHostMsLogicalUnit::RUsbHostMsLogicalUnit()
    40 EXPORT_C RUsbHostMsLogicalUnit::RUsbHostMsLogicalUnit()
    36 	{
    41     {
    37 	// Intentionally left blank
    42     // Intentionally left blank
    38 	}
    43     }
    39 
    44 
    40 /**
    45 /**
    41 Send a command to initialise the Mass Storage device.
    46 Send a command to initialise the Mass Storage device.
    42 
    47 
    43 @param aMsg
    48 @param aMsg
    46 
    51 
    47 @return TInt
    52 @return TInt
    48 */
    53 */
    49 EXPORT_C TInt RUsbHostMsLogicalUnit::Initialise(const RMessage2& aMsg,
    54 EXPORT_C TInt RUsbHostMsLogicalUnit::Initialise(const RMessage2& aMsg,
    50                                                 TInt aDevHandleIndex,
    55                                                 TInt aDevHandleIndex,
    51 												TUint32 aLun)
    56                                                 TUint32 aLun)
    52 	{
    57     {
    53 	__FNLOG("RUsbHostMsLogicalUnit::Initialise");
    58     TInt r = dev.Open(aMsg, aDevHandleIndex);
    54 	TInt r = dev.Open(aMsg, aDevHandleIndex);
    59     if (r != KErrNone)
    55 	if (r != KErrNone)
    60         {
    56 		{
    61         OstTrace1(TRACE_SHOSTMASSSTORAGE_HOST, RUSBHOSTMSLOGICALUNIT_11,
    57 		__PRINT1(_L("Session handle can not be opened %d"),r);
    62                   "Session handle can not be opened %d", r);
    58 		return r;
    63         return r;
    59 		}
    64         }
    60 
    65 
    61 	r = CreateSubSession(dev, EUsbHostMsRegisterLun, TIpcArgs(aLun));
    66     r = CreateSubSession(dev, EUsbHostMsRegisterLun, TIpcArgs(aLun));
    62 	if (r != KErrNone)
    67     if (r != KErrNone)
    63 		{
    68         {
    64 		__PRINT1(_L("SubSession creation failed %d"),r);
    69         OstTrace1(TRACE_SHOSTMASSSTORAGE_HOST, RUSBHOSTMSLOGICALUNIT_12,
    65 		return r;
    70                   "SubSession creation failed %d", r);
    66 		}
    71         return r;
    67 	return r;
    72         }
    68 	}
    73     return r;
       
    74     }
    69 
    75 
    70 
    76 
    71 /**
    77 /**
    72 Send a command to read the Mass Storage device.
    78 Send a command to read the Mass Storage device.
    73 
    79 
    74 @param aPos Position to start reading from
    80 @param aPos Position to start reading from
    75 @param aLength Number of Bytes
    81 @param aLength Number of Bytes
    76 @param aTrg Buffer to copy data to
    82 @param aTrg Buffer to copy data to
    77 
    83 
    78 @return TInt KErrNone, if the send operation is successful;
    84 @return TInt KErrNone, if the send operation is successful;
    79 	KErrServerTerminated, if the server no longer present; KErrServerBusy, if there are no message slots available;
    85     KErrServerTerminated, if the server no longer present; KErrServerBusy, if there are no message slots available;
    80 	KErrNoMemory, if there is insufficient memory available.
    86     KErrNoMemory, if there is insufficient memory available.
    81 */
    87 */
    82 EXPORT_C TInt RUsbHostMsLogicalUnit::Read(TInt64 aPos, TInt aLength, TDes8& aTrg)
    88 EXPORT_C TInt RUsbHostMsLogicalUnit::Read(TInt64 aPos, TInt aLength, TDes8& aTrg)
    83 	{
    89     {
    84 	__FNLOG("RUsbHostMsLogicalUnit::Read");
    90     TReadWrite data;
    85 
    91     data.iPos = aPos;
    86 	TReadWrite data;
    92     data.iLen = aLength;
    87 	data.iPos = aPos;
    93 
    88 	data.iLen = aLength;
    94     OstTraceExt3(TRACE_SHOSTMASSSTORAGE_HOST, RUSBHOSTMSLOGICALUNIT_21,
    89 
    95                  "pos = 0x%x %x, len = x%x", I64HIGH(data.iPos), I64LOW(data.iPos), data.iLen);
    90 	__PRINT2(_L("pos = 0x%lx, len = x%x"), data.iPos, data.iLen);
    96 
    91 
    97     TPckg<TReadWrite> pckg(data);
    92 	TPckg<TReadWrite> pckg(data);
    98     /* We handle the message asynchronously in the thread modelled MSC */
    93 	/* We handle the message asynchronously in the thread modelled MSC */
    99     TRequestStatus  status;
    94 	TRequestStatus	status;
   100     SendReceive(EUsbHostMsRead, TIpcArgs(&pckg, &aTrg), status);
    95 	SendReceive(EUsbHostMsRead, TIpcArgs(&pckg, &aTrg), status);
   101     User::WaitForRequest(status);
    96 	User::WaitForRequest(status);
   102     OstTraceExt3(TRACE_SHOSTMASSSTORAGE_HOST, RUSBHOSTMSLOGICALUNIT_22,
    97     __PRINT2(_L("pos = 0x%lx, len = x%x"), data.iPos, data.iLen);
   103                  "pos = 0x%x %x, len = x%x", I64HIGH(data.iPos), I64LOW(data.iPos), data.iLen);
    98 	return status.Int();
   104     return status.Int();
    99 	}
   105     }
   100 
   106 
   101 
   107 
   102 /**
   108 /**
   103 Send a command to write to the Mass Storage device.
   109 Send a command to write to the Mass Storage device.
   104 
   110 
   105 @param aPos Position to start reading from
   111 @param aPos Position to start reading from
   106 @param aLength Number of Bytes
   112 @param aLength Number of Bytes
   107 @param aTrg Buffer to copy data from
   113 @param aTrg Buffer to copy data from
   108 
   114 
   109 @return TInt KErrNone, if the send operation is successful;
   115 @return TInt KErrNone, if the send operation is successful;
   110 	KErrServerTerminated, if the server no longer present; KErrServerBusy, if there are no message slots available;
   116     KErrServerTerminated, if the server no longer present; KErrServerBusy, if there are no message slots available;
   111 	KErrNoMemory, if there is insufficient memory available.
   117     KErrNoMemory, if there is insufficient memory available.
   112 available.
   118 available.
   113 */
   119 */
   114 EXPORT_C TInt RUsbHostMsLogicalUnit::Write(TInt64 aPos, TInt aLength, const TDesC8& aTrg)
   120 EXPORT_C TInt RUsbHostMsLogicalUnit::Write(TInt64 aPos, TInt aLength, const TDesC8& aTrg)
   115 	{
   121     {
   116 	__FNLOG("RUsbHostMsLogicalUnit::Write");
   122     TReadWrite data;
   117 
   123     data.iPos = aPos;
   118 	TReadWrite data;
   124     data.iLen = aLength;
   119 	data.iPos = aPos;
   125 
   120 	data.iLen = aLength;
   126     OstTraceExt3(TRACE_SHOSTMASSSTORAGE_HOST, RUSBHOSTMSLOGICALUNIT_23,
   121 
   127                  "pos = 0x%x %x, len = x%x", I64HIGH(data.iPos), I64LOW(data.iPos), data.iLen);
   122 	__PRINT2(_L("pos = 0x%lx, len = x%x"), data.iPos, data.iLen);
   128 
   123 
   129 
   124 	TPckg<TReadWrite> pckg(data);
   130     TPckg<TReadWrite> pckg(data);
   125 	/* We handle the message asynchronously in the thread modelled MSC */
   131     /* We handle the message asynchronously in the thread modelled MSC */
   126 	TRequestStatus	status;
   132     TRequestStatus  status;
   127 	SendReceive(EUsbHostMsWrite, TIpcArgs(&aTrg, &pckg), status);
   133     SendReceive(EUsbHostMsWrite, TIpcArgs(&aTrg, &pckg), status);
   128 	User::WaitForRequest(status);
   134     User::WaitForRequest(status);
   129 	return status.Int();
   135     return status.Int();
   130 	}
   136     }
   131 
   137 
   132 
   138 
   133 /**
   139 /**
   134 Send a command to erase an area of the Mass Storage device.
   140 Send a command to erase an area of the Mass Storage device.
   135 
   141 
   136 @param aPos Position to start reading from
   142 @param aPos Position to start reading from
   137 @param aLength Number of Bytes
   143 @param aLength Number of Bytes
   138 
   144 
   139 @return TInt KErrNone, if the send operation is successful;
   145 @return TInt KErrNone, if the send operation is successful;
   140 	KErrServerTerminated, if the server no longer present; KErrServerBusy, if there are no message slots available;
   146     KErrServerTerminated, if the server no longer present; KErrServerBusy, if there are no message slots available;
   141 	KErrNoMemory, if there is insufficient memory available.
   147     KErrNoMemory, if there is insufficient memory available.
   142 available.
   148 available.
   143 */
   149 */
   144 EXPORT_C TInt RUsbHostMsLogicalUnit::Erase(TInt64 aPos, TInt aLength)
   150 EXPORT_C TInt RUsbHostMsLogicalUnit::Erase(TInt64 aPos, TInt aLength)
   145 	{
   151     {
   146 	__FNLOG("RUsbHostMsLogicalUnit::Erase");
   152     TReadWrite data;
   147 
   153     data.iPos = aPos;
   148 	TReadWrite data;
   154     data.iLen = aLength;
   149 	data.iPos = aPos;
   155 
   150 	data.iLen = aLength;
   156     OstTraceExt3(TRACE_SHOSTMASSSTORAGE_HOST, RUSBHOSTMSLOGICALUNIT_24,
   151 
   157                  "pos = 0x%x %x, len = x%x", I64HIGH(data.iPos), I64LOW(data.iPos), data.iLen);
   152 	__PRINT2(_L("pos = 0x%lx, len = x%x"), data.iPos, data.iLen);
   158 
   153 
   159     TPckg<TReadWrite> pckg(data);
   154 	TPckg<TReadWrite> pckg(data);
   160     /* We handle the message asynchronously in the thread modelled MSC */
   155 	/* We handle the message asynchronously in the thread modelled MSC */
   161     TRequestStatus  status;
   156 	TRequestStatus	status;
   162     SendReceive(EUsbHostMsErase, TIpcArgs(&pckg), status);
   157 	SendReceive(EUsbHostMsErase, TIpcArgs(&pckg), status);
   163     User::WaitForRequest(status);
   158 	User::WaitForRequest(status);
   164     return status.Int();
   159 	return status.Int();
   165     }
   160 	}
       
   161 
   166 
   162 
   167 
   163 /**
   168 /**
   164 Send a command to get the nedia's capacity info.
   169 Send a command to get the nedia's capacity info.
   165 
   170 
   169 KErrServerTerminated, if the server no longer present; KErrServerBusy, if there
   174 KErrServerTerminated, if the server no longer present; KErrServerBusy, if there
   170 are no message slots available; KErrNoMemory, if there is insufficient memory
   175 are no message slots available; KErrNoMemory, if there is insufficient memory
   171 available.
   176 available.
   172 */
   177 */
   173 EXPORT_C TInt RUsbHostMsLogicalUnit::Caps(TCapsInfo& aCapsInfo)
   178 EXPORT_C TInt RUsbHostMsLogicalUnit::Caps(TCapsInfo& aCapsInfo)
   174 	{
   179     {
   175 	__FNLOG("RUsbHostMsLogicalUnit::Caps");
       
   176 
       
   177     TPckg<TCapsInfo> data(aCapsInfo);
   180     TPckg<TCapsInfo> data(aCapsInfo);
   178 
   181 
   179 	/* We handle the message asynchronously in the thread modelled MSC */
   182     /* We handle the message asynchronously in the thread modelled MSC */
   180 	TRequestStatus	status;
   183     TRequestStatus  status;
   181 	SendReceive(EUsbHostMsCapacity, TIpcArgs(&data),status);
   184     SendReceive(EUsbHostMsCapacity, TIpcArgs(&data),status);
   182 	User::WaitForRequest(status);
   185     User::WaitForRequest(status);
   183 	return status.Int();
   186     return status.Int();
   184 	}
   187     }
   185 
   188 
   186 /**
   189 /**
   187 Request notification of media change to the file server
   190 Request notification of media change to the file server
   188 
   191 
   189 @param aChanged The descriptor pointing to iChanged flag in TDrive to be updated
   192 @param aChanged The descriptor pointing to iChanged flag in TDrive to be updated
   190 when error occurs during read or write.
   193 when error occurs during read or write.
   191 @param aStatus The request status This is set to KErrNone on completion, or KErrCancel when the logical unit is closed;
   194 @param aStatus The request status This is set to KErrNone on completion, or KErrCancel when the logical unit is closed;
   192 	KErrServerTerminated, if the server no longer present; KErrServerBusy, if there are no message slots available;
   195     KErrServerTerminated, if the server no longer present; KErrServerBusy, if there are no message slots available;
   193 	KErrNoMemory, if there is insufficient memory available.
   196     KErrNoMemory, if there is insufficient memory available.
   194 @return None
   197 @return None
   195 */
   198 */
   196 EXPORT_C void RUsbHostMsLogicalUnit::NotifyChange(TDes8& aChanged, TRequestStatus &aStatus)
   199 EXPORT_C void RUsbHostMsLogicalUnit::NotifyChange(TDes8& aChanged, TRequestStatus &aStatus)
   197 	{
   200     {
   198 	__FNLOG("RUsbHostMsLogicalUnit::NotifyChange");
   201     SendReceive(EUsbHostMsNotifyChange, TIpcArgs(&aChanged), aStatus);
   199 
   202     }
   200 	SendReceive(EUsbHostMsNotifyChange, TIpcArgs(&aChanged), aStatus);
       
   201 	}
       
   202 
   203 
   203 /**
   204 /**
   204 Request to suspend the logical unit associated with this drive
   205 Request to suspend the logical unit associated with this drive
   205 */
   206 */
   206 EXPORT_C void RUsbHostMsLogicalUnit::SuspendLun()
   207 EXPORT_C void RUsbHostMsLogicalUnit::SuspendLun()
   207 	{
   208     {
   208 	__FNLOG("RUsbHostMsLogicalUnit::SuspendLun");
   209     SendReceive(EUsbHostMsSuspendLun, TIpcArgs(NULL));
   209 
   210     }
   210 	SendReceive(EUsbHostMsSuspendLun, TIpcArgs(NULL));
       
   211 	}
       
   212 
   211 
   213 /**
   212 /**
   214 Close the sub-session.
   213 Close the sub-session.
   215 
   214 
   216 @return TInt KErrNone
   215 @return TInt KErrNone
   217 */
   216 */
   218 EXPORT_C TInt RUsbHostMsLogicalUnit::UnInitialise()
   217 EXPORT_C TInt RUsbHostMsLogicalUnit::UnInitialise()
   219 	{
   218     {
   220 	__FNLOG("RUsbHostMsLogicalUnit::UnInitialise");
   219     CloseSubSession(EUsbHostMsUnRegisterLun);
   221 
   220     dev.Close();
   222 	CloseSubSession(EUsbHostMsUnRegisterLun);
   221     return KErrNone;
   223 	dev.Close();
   222     }
   224 	return KErrNone;
       
   225 	}
       
   226 
   223 
   227 
   224 
   228 /**
   225 /**
   229 Request that the drive is remounted.
   226 Request that the drive is remounted.
   230 
   227 
   234 KErrServerTerminated, if the server no longer present; KErrServerBusy, if there
   231 KErrServerTerminated, if the server no longer present; KErrServerBusy, if there
   235 are no message slots available; KErrNoMemory, if there is insufficient memory
   232 are no message slots available; KErrNoMemory, if there is insufficient memory
   236 available.
   233 available.
   237 */
   234 */
   238 EXPORT_C TInt RUsbHostMsLogicalUnit::ForceRemount(TUint aFlags)
   235 EXPORT_C TInt RUsbHostMsLogicalUnit::ForceRemount(TUint aFlags)
   239 	{
   236     {
   240 	__FNLOG("RUsbHostMsLogicalUnit::ForceRemount");
   237     OstTrace1(TRACE_SHOSTMASSSTORAGE_HOST, RUSBHOSTMSLOGICALUNIT_25,
   241 
   238               "flags = %d", aFlags);
   242 	__PRINT1(_L("flags = %d"), aFlags);
   239 
   243 
   240     TRequestStatus  status;
   244 	TRequestStatus	status;
   241     SendReceive(EUsbHostMsForceRemount, TIpcArgs(aFlags), status);
   245 	SendReceive(EUsbHostMsForceRemount, TIpcArgs(aFlags), status);
   242     User::WaitForRequest(status);
   246 	User::WaitForRequest(status);
   243     return status.Int();
   247 	return status.Int();
   244     }
   248 	}
       
   249 
   245 
   250 EXPORT_C void RUsbHostMsLogicalUnit::NotifyChangeCancel()
   246 EXPORT_C void RUsbHostMsLogicalUnit::NotifyChangeCancel()
   251 	{
   247     {
   252 	__FNLOG("RUsbHostMsLogicalUnit::NotifyChangeCancel");
   248     SendReceive(EUsbHostMsCancelChangeNotifier, TIpcArgs(NULL));
   253 	SendReceive(EUsbHostMsCancelChangeNotifier, TIpcArgs(NULL));
   249     }
   254 	}