diff options
| author | Bill Pemberton <wfp5p@virginia.edu> | 2009-07-27 16:47:24 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-09-15 12:01:50 -0700 |
| commit | 454f18a963cf6519bf317e74e6b9781ffef8d253 (patch) | |
| tree | 67b206b51dfa5590f3fbdc3db094df1ba5194c6d /drivers/staging/hv | |
| parent | 226408a4998041d7832123ab9ccd743e878197ed (diff) | |
Staging: hv: Remove C99 comments
Remove C99 // comments with traditional /* */ comments
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/hv')
42 files changed, 2608 insertions, 2525 deletions
diff --git a/drivers/staging/hv/BlkVsc.c b/drivers/staging/hv/BlkVsc.c index dc91aae6272..7903a773ce4 100644 --- a/drivers/staging/hv/BlkVsc.c +++ b/drivers/staging/hv/BlkVsc.c @@ -26,12 +26,12 @@ static const char* gBlkDriverName="blkvsc"; -//{32412632-86cb-44a2-9b5c-50d1417354f5} +/* {32412632-86cb-44a2-9b5c-50d1417354f5} */ static const GUID gBlkVscDeviceType={ .Data = {0x32, 0x26, 0x41, 0x32, 0xcb, 0x86, 0xa2, 0x44, 0x9b, 0x5c, 0x50, 0xd1, 0x41, 0x73, 0x54, 0xf5} }; -// Static routines +/* Static routines */ static int BlkVscOnDeviceAdd( DEVICE_OBJECT *Device, @@ -49,21 +49,21 @@ BlkVscInitialize( DPRINT_ENTER(BLKVSC); - // Make sure we are at least 2 pages since 1 page is used for control + /* Make sure we are at least 2 pages since 1 page is used for control */ ASSERT(storDriver->RingBufferSize >= (PAGE_SIZE << 1)); Driver->name = gBlkDriverName; memcpy(&Driver->deviceType, &gBlkVscDeviceType, sizeof(GUID)); storDriver->RequestExtSize = sizeof(STORVSC_REQUEST_EXTENSION); - // Divide the ring buffer data size (which is 1 page less than the ring buffer size since that page is reserved for the ring buffer indices) - // by the max request size (which is VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER + VSTOR_PACKET + u64) + /* Divide the ring buffer data size (which is 1 page less than the ring buffer size since that page is reserved for the ring buffer indices) */ + /* by the max request size (which is VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER + VSTOR_PACKET + u64) */ storDriver->MaxOutstandingRequestsPerChannel = ((storDriver->RingBufferSize - PAGE_SIZE) / ALIGN_UP(MAX_MULTIPAGE_BUFFER_PACKET + sizeof(VSTOR_PACKET) + sizeof(u64),sizeof(u64))); DPRINT_INFO(BLKVSC, "max io outstd %u", storDriver->MaxOutstandingRequestsPerChannel); - // Setup the dispatch table + /* Setup the dispatch table */ storDriver->Base.OnDeviceAdd = BlkVscOnDeviceAdd; storDriver->Base.OnDeviceRemove = StorVscOnDeviceRemove; storDriver->Base.OnCleanup = StorVscOnCleanup; @@ -95,8 +95,8 @@ BlkVscOnDeviceAdd( return ret; } - // We need to use the device instance guid to set the path and target id. For IDE devices, the - // device instance id is formatted as <bus id> - <device id> - 8899 - 000000000000. + /* We need to use the device instance guid to set the path and target id. For IDE devices, the */ + /* device instance id is formatted as <bus id> - <device id> - 8899 - 000000000000. */ deviceInfo->PathId = Device->deviceInstance.Data[3] << 24 | Device->deviceInstance.Data[2] << 16 | Device->deviceInstance.Data[1] << 8 |Device->deviceInstance.Data[0]; diff --git a/drivers/staging/hv/Channel.c b/drivers/staging/hv/Channel.c index 2af8959e03e..bd82154e69f 100644 --- a/drivers/staging/hv/Channel.c +++ b/drivers/staging/hv/Channel.c @@ -27,13 +27,11 @@ #include "VmbusPrivate.h" -// -// Internal routines -// +/* Internal routines */ static int VmbusChannelCreateGpadlHeader( - void * Kbuffer, // must be phys and virt contiguous - u32 Size, // page-size multiple + void * Kbuffer, /* must be phys and virt contiguous */ + u32 Size, /* page-size multiple */ VMBUS_CHANNEL_MSGINFO **msgInfo, u32 *MessageCount ); @@ -105,11 +103,11 @@ VmbusChannelSetEvent( if (Channel->OfferMsg.MonitorAllocated) { - // Each u32 represents 32 channels + /* Each u32 represents 32 channels */ BitSet((u32*)gVmbusConnection.SendInterruptPage + (Channel->OfferMsg.ChildRelId >> 5), Channel->OfferMsg.ChildRelId & 31); monitorPage = (HV_MONITOR_PAGE*)gVmbusConnection.MonitorPages; - monitorPage++; // Get the child to parent monitor page + monitorPage++; /* Get the child to parent monitor page */ BitSet((u32*) &monitorPage->TriggerGroup[Channel->MonitorGroup].Pending, Channel->MonitorBit); } @@ -133,11 +131,11 @@ VmbusChannelClearEvent( if (Channel->OfferMsg.MonitorAllocated) { - // Each u32 represents 32 channels + /* Each u32 represents 32 channels */ BitClear((u32*)gVmbusConnection.SendInterruptPage + (Channel->OfferMsg.ChildRelId >> 5), Channel->OfferMsg.ChildRelId & 31); monitorPage = (HV_MONITOR_PAGE*)gVmbusConnection.MonitorPages; - monitorPage++; // Get the child to parent monitor page + monitorPage++; /* Get the child to parent monitor page */ BitClear((u32*) &monitorPage->TriggerGroup[Channel->MonitorGroup].Pending, Channel->MonitorBit); } @@ -164,7 +162,7 @@ VmbusChannelGetDebugInfo( HV_MONITOR_PAGE *monitorPage; u8 monitorGroup = (u8)Channel->OfferMsg.MonitorId / 32; u8 monitorOffset = (u8)Channel->OfferMsg.MonitorId % 32; - //u32 monitorBit = 1 << monitorOffset; + /* u32 monitorBit = 1 << monitorOffset; */ DebugInfo->RelId = Channel->OfferMsg.ChildRelId; DebugInfo->State = Channel->State; @@ -218,16 +216,16 @@ VmbusChannelOpen( DPRINT_ENTER(VMBUS); - // Aligned to page size + /* Aligned to page size */ ASSERT(!(SendRingBufferSize & (PAGE_SIZE -1))); ASSERT(!(RecvRingBufferSize & (PAGE_SIZE -1))); NewChannel->OnChannelCallback = pfnOnChannelCallback; NewChannel->ChannelCallbackContext = Context; - // Allocate the ring buffer + /* Allocate the ring buffer */ out = PageAlloc((SendRingBufferSize + RecvRingBufferSize) >> PAGE_SHIFT); - //out = kzalloc(sendRingBufferSize + recvRingBufferSize, GFP_KERNEL); + /* out = kzalloc(sendRingBufferSize + recvRingBufferSize, GFP_KERNEL); */ ASSERT(out); ASSERT(((unsigned long)out & (PAGE_SIZE-1)) == 0); @@ -240,7 +238,7 @@ VmbusChannelOpen( RingBufferInit(&NewChannel->Inbound, in, RecvRingBufferSize); - // Establish the gpadl for the ring buffer + /* Establish the gpadl for the ring buffer */ DPRINT_DBG(VMBUS, "Establishing ring buffer's gpadl for channel %p...", NewChannel); NewChannel->RingBufferGpadlHandle = 0; @@ -260,7 +258,7 @@ VmbusChannelOpen( NewChannel->Inbound.RingSize, SendRingBufferSize); - // Create and init the channel open message + /* Create and init the channel open message */ openInfo = kmalloc(sizeof(VMBUS_CHANNEL_MSGINFO) + sizeof(VMBUS_CHANNEL_OPEN_CHANNEL), GFP_KERNEL); ASSERT(openInfo != NULL); @@ -268,12 +266,12 @@ VmbusChannelOpen( openMsg = (VMBUS_CHANNEL_OPEN_CHANNEL*)openInfo->Msg; openMsg->Header.MessageType = ChannelMessageOpenChannel; - openMsg->OpenId = NewChannel->OfferMsg.ChildRelId; // FIXME + openMsg->OpenId = NewChannel->OfferMsg.ChildRelId; /* FIXME */ openMsg->ChildRelId = NewChannel->OfferMsg.ChildRelId; openMsg->RingBufferGpadlHandle = NewChannel->RingBufferGpadlHandle; ASSERT(openMsg->RingBufferGpadlHandle); openMsg->DownstreamRingBufferPageOffset = SendRingBufferSize >> PAGE_SHIFT; - openMsg->ServerContextAreaGpadlHandle = 0; // TODO + openMsg->ServerContextAreaGpadlHandle = 0; /* TODO */ ASSERT(UserDataLen <= MAX_USER_DEFINED_BYTES); if (UserDataLen) @@ -294,7 +292,7 @@ VmbusChannelOpen( goto Cleanup; } - // FIXME: Need to time-out here + /* FIXME: Need to time-out here */ WaitEventWait(openInfo->WaitEvent); if (openInfo->Response.OpenResult.Status == 0) @@ -392,8 +390,8 @@ Description: --*/ static int VmbusChannelCreateGpadlHeader( - void * Kbuffer, // from kmalloc() - u32 Size, // page-size multiple + void * Kbuffer, /* from kmalloc() */ + u32 Size, /* page-size multiple */ VMBUS_CHANNEL_MSGINFO **MsgInfo, u32 *MessageCount) { @@ -408,19 +406,19 @@ VmbusChannelCreateGpadlHeader( int pfnSum, pfnCount, pfnLeft, pfnCurr, pfnSize; - //ASSERT( (kbuffer & (PAGE_SIZE-1)) == 0); + /* ASSERT( (kbuffer & (PAGE_SIZE-1)) == 0); */ ASSERT( (Size & (PAGE_SIZE-1)) == 0); pageCount = Size >> PAGE_SHIFT; pfn = GetPhysicalAddress(Kbuffer) >> PAGE_SHIFT; - // do we need a gpadl body msg + /* do we need a gpadl body msg */ pfnSize = MAX_SIZE_CHANNEL_MESSAGE - sizeof(VMBUS_CHANNEL_GPADL_HEADER) - sizeof(GPA_RANGE); pfnCount = pfnSize / sizeof(u64); - if (pageCount > pfnCount) // we need a gpadl body + if (pageCount > pfnCount) /* we need a gpadl body */ { - // fill in the header + /* fill in the header */ msgSize = sizeof(VMBUS_CHANNEL_MSGINFO) + sizeof(VMBUS_CHANNEL_GPADL_HEADER) + sizeof(GPA_RANGE) + pfnCount*sizeof(u64); msgHeader = kzalloc(msgSize, GFP_KERNEL); @@ -442,11 +440,11 @@ VmbusChannelCreateGpadlHeader( pfnSum = pfnCount; pfnLeft = pageCount - pfnCount; - // how many pfns can we fit + /* how many pfns can we fit */ pfnSize = MAX_SIZE_CHANNEL_MESSAGE - sizeof(VMBUS_CHANNEL_GPADL_BODY); pfnCount = pfnSize / sizeof(u64); - // fill in the body + /* fill in the body */ while (pfnLeft) { if (pfnLeft > pfnCount) @@ -465,14 +463,14 @@ VmbusChannelCreateGpadlHeader( (*MessageCount)++; gpadlBody = (VMBUS_CHANNEL_GPADL_BODY*)msgBody->Msg; - // FIXME: Gpadl is u32 and we are using a pointer which could be 64-bit - //gpadlBody->Gpadl = kbuffer; + /* FIXME: Gpadl is u32 and we are using a pointer which could be 64-bit */ + /* gpadlBody->Gpadl = kbuffer; */ for (i=0; i<pfnCurr; i++) { gpadlBody->Pfn[i] = pfn + pfnSum + i; } - // add to msg header + /* add to msg header */ INSERT_TAIL_LIST(&msgHeader->SubMsgList, &msgBody->MsgListEntry); pfnSum += pfnCurr; pfnLeft -= pfnCurr; @@ -480,7 +478,7 @@ VmbusChannelCreateGpadlHeader( } else { - // everything fits in a header + /* everything fits in a header */ msgSize = sizeof(VMBUS_CHANNEL_MSGINFO) + sizeof(VMBUS_CHANNEL_GPADL_HEADER) + sizeof(GPA_RANGE) + pageCount*sizeof(u64); msgHeader = kzalloc(msgSize, GFP_KERNEL); msgHeader->MessageSize=msgSize; @@ -515,15 +513,15 @@ Description: int VmbusChannelEstablishGpadl( VMBUS_CHANNEL *Channel, - void * Kbuffer, // from kmalloc() - u32 Size, // page-size multiple + void * Kbuffer, /* from kmalloc() */ + u32 Size, /* page-size multiple */ u32 *GpadlHandle ) { int ret=0; VMBUS_CHANNEL_GPADL_HEADER* gpadlMsg; VMBUS_CHANNEL_GPADL_BODY* gpadlBody; - //VMBUS_CHANNEL_GPADL_CREATED* gpadlCreated; + /* VMBUS_CHANNEL_GPADL_CREATED* gpadlCreated; */ VMBUS_CHANNEL_MSGINFO *msgInfo; VMBUS_CHANNEL_MSGINFO *subMsgInfo; @@ -585,7 +583,7 @@ VmbusChannelEstablishGpadl( } WaitEventWait(msgInfo->WaitEvent); - // At this point, we received the gpadl created msg + /* At this point, we received the gpadl created msg */ DPRINT_DBG(VMBUS, "Received GPADL created (relid %d, status %d handle %x)", Channel->OfferMsg.ChildRelId, msgInfo->Response.GpadlCreated.CreationStatus, @@ -650,12 +648,12 @@ VmbusChannelTeardownGpadl( ret = VmbusPostMessage(msg, sizeof(VMBUS_CHANNEL_GPADL_TEARDOWN)); if (ret != 0) { - // TODO: + /* TODO: */ } WaitEventWait(info->WaitEvent); - // Received a torndown response + /* Received a torndown response */ spin_lock_irqsave(&gVmbusConnection.channelmsg_lock, flags); REMOVE_ENTRY_LIST(&info->MsgListEntry); spin_unlock_irqrestore(&gVmbusConnection.channelmsg_lock, flags); @@ -690,15 +688,15 @@ VmbusChannelClose( DPRINT_ENTER(VMBUS); - // Stop callback and cancel the timer asap + /* Stop callback and cancel the timer asap */ Channel->OnChannelCallback = NULL; TimerStop(Channel->PollTimer); - // Send a closing message + /* Send a closing message */ info = kmalloc(sizeof(VMBUS_CHANNEL_MSGINFO) + sizeof(VMBUS_CHANNEL_CLOSE_CHANNEL), GFP_KERNEL); ASSERT(info != NULL); - //info->waitEvent = WaitEventCreate(); + /* info->waitEvent = WaitEventCreate(); */ msg = (VMBUS_CHANNEL_CLOSE_CHANNEL*)info->Msg; msg->Header.MessageType = ChannelMessageCloseChannel; @@ -707,18 +705,18 @@ VmbusChannelClose( ret = VmbusPostMessage(msg, sizeof(VMBUS_CHANNEL_CLOSE_CHANNEL)); if (ret != 0) { - // TODO: + /* TODO: */ } - // Tear down the gpadl for the channel's ring buffer + /* Tear down the gpadl for the channel's ring buffer */ if (Channel->RingBufferGpadlHandle) { VmbusChannelTeardownGpadl(Channel, Channel->RingBufferGpadlHandle); } - // TODO: Send a msg to release the childRelId + /* TODO: Send a msg to release the childRelId */ - // Cleanup the ring buffers for this channel + /* Cleanup the ring buffers for this channel */ RingBufferCleanup(&Channel->Outbound); RingBufferCleanup(&Channel->Inbound); @@ -726,8 +724,13 @@ VmbusChannelClose( kfree(info); - // If we are closing the channel during an error path in opening the channel, don't free the channel - // since the caller will free the channel + + /* + * If we are closing the channel during an error path in + * opening the channel, don't free the channel since the + * caller will free the channel + */ + if (Channel->State == CHANNEL_OPEN_STATE) { spin_lock_irqsave(&gVmbusConnection.channel_lock, flags); @@ -774,12 +777,12 @@ VmbusChannelSendPacket( ASSERT((packetLenAligned - packetLen) < sizeof(u64)); - // Setup the descriptor - desc.Type = Type;//VmbusPacketTypeDataInBand; - desc.Flags = Flags;//VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED; - desc.DataOffset8 = sizeof(VMPACKET_DESCRIPTOR) >> 3; // in 8-bytes granularity - desc.Length8 = (u16)(packetLenAligned >> 3); - desc.TransactionId = RequestId; + /* Setup the descriptor */ + desc.Type = Type; /* VmbusPacketTypeDataInBand; */ + desc.Flags = Flags; /* VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED; */ + desc.DataOffset8 = sizeof(VMPACKET_DESCRIPTOR) >> 3; /* in 8-bytes granularity */ + desc.Length8 = (u16)(packetLenAligned >> 3); + desc.TransactionId = RequestId; bufferList[0].Data = &desc; bufferList[0].Length = sizeof(VMPACKET_DESCRIPTOR); @@ -795,7 +798,7 @@ VmbusChannelSendPacket( bufferList, 3); - // TODO: We should determine if this is optional + /* TODO: We should determine if this is optional */ if (ret == 0 && !GetRingBufferInterruptMask(&Channel->Outbound)) { VmbusChannelSetEvent(Channel); @@ -841,19 +844,19 @@ VmbusChannelSendPacketPageBuffer( DumpVmbusChannel(Channel); - // Adjust the size down since VMBUS_CHANNEL_PACKET_PAGE_BUFFER is the largest size we support + /* Adjust the size down since VMBUS_CHANNEL_PACKET_PAGE_BUFFER is the largest size we support */ descSize = sizeof(VMBUS_CHANNEL_PACKET_PAGE_BUFFER) - ((MAX_PAGE_BUFFER_COUNT - PageCount)*sizeof(PAGE_BUFFER)); packetLen = descSize + BufferLen; packetLenAligned = ALIGN_UP(packetLen, sizeof(u64)); ASSERT((packetLenAligned - packetLen) < sizeof(u64)); - // Setup the descriptor + /* Setup the descriptor */ desc.Type = VmbusPacketTypeDataUsingGpaDirect; desc.Flags = VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED; - desc.DataOffset8 = descSize >> 3; // in 8-bytes grandularity - desc.Length8 = (u16)(packetLenAligned >> 3); - desc.TransactionId = RequestId; + desc.DataOffset8 = descSize >> 3; /* in 8-bytes grandularity */ + desc.Length8 = (u16)(packetLenAligned >> 3); + desc.TransactionId = RequestId; desc.RangeCount = PageCount; for (i=0; i<PageCount; i++) @@ -877,7 +880,7 @@ VmbusChannelSendPacketPageBuffer( bufferList, 3); - // TODO: We should determine if this is optional + /* TODO: We should determine if this is optional */ if (ret == 0 && !GetRingBufferInterruptMask(&Channel->Outbound)) { VmbusChannelSetEvent(Channel); @@ -926,19 +929,19 @@ VmbusChannelSendPacketMultiPageBuffer( ASSERT(PfnCount > 0); ASSERT(PfnCount <= MAX_MULTIPAGE_BUFFER_COUNT); - // Adjust the size down since VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER is the largest size we support + /* Adjust the size down since VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER is the largest size we support */ descSize = sizeof(VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER) - ((MAX_MULTIPAGE_BUFFER_COUNT - PfnCount)*sizeof(u64)); packetLen = descSize + BufferLen; packetLenAligned = ALIGN_UP(packetLen, sizeof(u64)); ASSERT((packetLenAligned - packetLen) < sizeof(u64)); - // Setup the descriptor + /* Setup the descriptor */ desc.Type = VmbusPacketTypeDataUsingGpaDirect; desc.Flags = VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED; - desc.DataOffset8 = descSize >> 3; // in 8-bytes grandularity - desc.Length8 = (u16)(packetLenAligned >> 3); - desc.TransactionId = RequestId; + desc.DataOffset8 = descSize >> 3; /* in 8-bytes grandularity */ + desc.Length8 = (u16)(packetLenAligned >> 3); + desc.TransactionId = RequestId; desc.RangeCount = 1; desc.Range.Length = MultiPageBuffer->Length; @@ -960,7 +963,7 @@ VmbusChannelSendPacketMultiPageBuffer( bufferList, 3); - // TODO: We should determine if this is optional + /* TODO: We should determine if this is optional */ if (ret == 0 && !GetRingBufferInterruptMask(&Channel->Outbound)) { VmbusChannelSetEvent(Channel); @@ -981,7 +984,7 @@ Description: Retrieve the user packet on the specified channel --*/ -// TODO: Do we ever receive a gpa direct packet other than the ones we send ? +/* TODO: Do we ever receive a gpa direct packet other than the ones we send ? */ int VmbusChannelRecvPacket( VMBUS_CHANNEL *Channel, @@ -1009,16 +1012,16 @@ VmbusChannelRecvPacket( { spin_unlock_irqrestore(&Channel->inbound_lock, flags); - //DPRINT_DBG(VMBUS, "nothing to read!!"); + /* DPRINT_DBG(VMBUS, "nothing to read!!"); */ DPRINT_EXIT(VMBUS); return 0; } - //VmbusChannelClearEvent(Channel); + /* VmbusChannelClearEvent(Channel); */ packetLen = desc.Length8 << 3; userLen = packetLen - (desc.DataOffset8 << 3); - //ASSERT(userLen > 0); + /* ASSERT(userLen > 0); */ DPRINT_DBG(VMBUS, "packet received on channel %p relid %d <type %d flag %d tid %llx pktlen %d datalen %d> ", Channel, @@ -1041,7 +1044,7 @@ VmbusChannelRecvPacket( *RequestId = desc.TransactionId; - // Copy over the packet to the user buffer + /* Copy over the packet to the user buffer */ ret = RingBufferRead(&Channel->Inbound, Buffer, userLen, (desc.DataOffset8 << 3)); spin_unlock_irqrestore(&Channel->inbound_lock, flags); @@ -1087,12 +1090,12 @@ VmbusChannelRecvPacketRaw( { spin_unlock_irqrestore(&Channel->inbound_lock, flags); - //DPRINT_DBG(VMBUS, "nothing to read!!"); + /* DPRINT_DBG(VMBUS, "nothing to read!!"); */ DPRINT_EXIT(VMBUS); return 0; } - //VmbusChannelClearEvent(Channel); + /* VmbusChannelClearEvent(Channel); */ packetLen = desc.Length8 << 3; userLen = packetLen - (desc.DataOffset8 << 3); @@ -1117,7 +1120,7 @@ VmbusChannelRecvPacketRaw( *RequestId = desc.TransactionId; - // Copy over the entire packet to the user buffer + /* Copy over the entire packet to the user buffer */ ret = RingBufferRead(&Channel->Inbound, Buffer, packetLen, 0); spin_unlock_irqrestore(&Channel->inbound_lock, flags); @@ -1199,4 +1202,4 @@ DumpVmbusChannel( } -// eof +/* eof */ diff --git a/drivers/staging/hv/Channel.h b/drivers/staging/hv/Channel.h index dee444c3513..be65d64e459 100644 --- a/drivers/staging/hv/Channel.h +++ b/drivers/staging/hv/Channel.h @@ -31,7 +31,7 @@ #pragma pack(push,1) -// The format must be the same as VMDATA_GPA_DIRECT +/* The format must be the same as VMDATA_GPA_DIRECT */ typedef struct _VMBUS_CHANNEL_PACKET_PAGE_BUFFER { u16 Type; u16 DataOffset8; @@ -44,7 +44,7 @@ typedef struct _VMBUS_CHANNEL_PACKET_PAGE_BUFFER { } VMBUS_CHANNEL_PACKET_PAGE_BUFFER; -// The format must be the same as VMDATA_GPA_DIRECT +/* The format must be the same as VMDATA_GPA_DIRECT */ typedef struct _VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER { u16 Type; u16 DataOffset8; @@ -52,15 +52,15 @@ typedef struct _VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER { u16 Flags; u64 TransactionId; u32 Reserved; - u32 RangeCount; // Always 1 in this case + u32 RangeCount; /* Always 1 in this case */ MULTIPAGE_BUFFER Range; } VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER; #pragma pack(pop) -// -// Routines -// + +/* Routines */ + static int VmbusChannelOpen( @@ -110,8 +110,8 @@ VmbusChannelSendPacketMultiPageBuffer( static int VmbusChannelEstablishGpadl( VMBUS_CHANNEL *Channel, - void * Kbuffer, // from kmalloc() - u32 Size, // page-size multiple + void * Kbuffer, /* from kmalloc() */ + u32 Size, /* page-size multiple */ u32 *GpadlHandle ); @@ -154,4 +154,4 @@ static void VmbusChannelOnTimer( void *Context ); -#endif //_CHANNEL_H_ +#endif /* _CHANNEL_H_ */ diff --git a/drivers/staging/hv/ChannelInterface.h b/drivers/staging/hv/ChannelInterface.h index c459e0e23fd..edd1c37f573 100644 --- a/drivers/staging/hv/ChannelInterface.h +++ b/drivers/staging/hv/ChannelInterface.h @@ -38,4 +38,4 @@ GetChannelInfo( DEVICE_INFO *DeviceInfo ); -#endif // _CHANNEL_INTERFACE_H_ +#endif /* _CHANNEL_INTERFACE_H_ */ diff --git a/drivers/staging/hv/ChannelMgmt.c b/drivers/staging/hv/ChannelMgmt.c index 0af4402789b..9da57408274 100644 --- a/drivers/staging/hv/ChannelMgmt.c +++ b/drivers/staging/hv/ChannelMgmt.c @@ -27,13 +27,7 @@ #include "VmbusPrivate.h" -// -// Defines -// - -// -// Data types -// +/* Data types */ typedef void (*PFN_CHANNEL_MESSAGE_HANDLER)(VMBUS_CHANNEL_MESSAGE_HEADER* msg); @@ -42,9 +36,7 @@ typedef struct _VMBUS_CHANNEL_MESSAGE_TABLE_ENTRY { PFN_CHANNEL_MESSAGE_HANDLER messageHandler; } VMBUS_CHANNEL_MESSAGE_TABLE_ENTRY; -// -// Internal routines -// +/* Internal routines */ static void VmbusChannelOnOffer( @@ -91,25 +83,23 @@ VmbusChannelProcessRescindOffer( ); -// -// Globals -// +/* Globals */ #define MAX_NUM_DEVICE_CLASSES_SUPPORTED 4 const GUID gSupportedDeviceClasses[MAX_NUM_DEVICE_CLASSES_SUPPORTED]= { - //{ba6163d9-04a1-4d29-b605-72e2ffb1dc7f} - {.Data = {0xd9, 0x63, 0x61, 0xba, 0xa1, 0x04, 0x29, 0x4d, 0xb6, 0x05, 0x72, 0xe2, 0xff, 0xb1, 0xdc, 0x7f}},// Storage - SCSI - //{F8615163-DF3E-46c5-913F-F2D2F965ED0E} - {.Data = {0x63, 0x51, 0x61, 0xF8, 0x3E, 0xDF, 0xc5, 0x46, 0x91, 0x3F, 0xF2, 0xD2, 0xF9, 0x65, 0xED, 0x0E}}, // Network - //{CFA8B69E-5B4A-4cc0-B98B-8BA1A1F3F95A} - {.Data = {0x9E, 0xB6, 0xA8, 0xCF, 0x4A, 0x5B, 0xc0, 0x4c, 0xB9, 0x8B, 0x8B, 0xA1, 0xA1, 0xF3, 0xF9, 0x5A}}, // Input - //{32412632-86cb-44a2-9b5c-50d1417354f5} - {.Data = {0x32, 0x26, 0x41, 0x32, 0xcb, 0x86, 0xa2, 0x44, 0x9b, 0x5c, 0x50, 0xd1, 0x41, 0x73, 0x54, 0xf5}}, // IDE + /* {ba6163d9-04a1-4d29-b605-72e2ffb1dc7f} */ + {.Data = {0xd9, 0x63, 0x61, 0xba, 0xa1, 0x04, 0x29, 0x4d, 0xb6, 0x05, 0x72, 0xe2, 0xff, 0xb1, 0xdc, 0x7f}},/* Storage - SCSI */ + /* {F8615163-DF3E-46c5-913F-F2D2F965ED0E} */ + {.Data = {0x63, 0x51, 0x61, 0xF8, 0x3E, 0xDF, 0xc5, 0x46, 0x91, 0x3F, 0xF2, 0xD2, 0xF9, 0x65, 0xED, 0x0E}}, /* Network */ + /* {CFA8B69E-5B4A-4cc0-B98B-8BA1A1F3F95A} */ + {.Data = {0x9E, 0xB6, 0xA8, 0xCF, 0x4A, 0x5B, 0xc0, 0x4c, 0xB9, 0x8B, 0x8B, 0xA1, 0xA1, 0xF3, 0xF9, 0x5A}}, /* Input */ + /* {32412632-86cb-44a2-9b5c-50d1417354f5} */ + {.Data = {0x32, 0x26, 0x41, 0x32, 0xcb, 0x86, 0xa2, 0x44, 0x9b, 0x5c, 0x50, 0xd1, 0x41, 0x73, 0x54, 0xf5}}, /* IDE */ }; -// Channel message dispatch table +/* Channel message dispatch table */ VMBUS_CHANNEL_MESSAGE_TABLE_ENTRY gChannelMessageTable[ChannelMessageCount]= { {ChannelMessageInvalid, NULL}, {ChannelMessageOfferChannel, VmbusChannelOnOffer}, @@ -158,7 +148,7 @@ VMBUS_CHANNEL* AllocVmbusChannel(void) return NULL; } - //channel->dataWorkQueue = WorkQueueCreate("data"); + /* channel->dataWorkQueue = WorkQueueCreate("data"); */ channel->ControlWQ = WorkQueueCreate("control"); if (!channel->ControlWQ) { @@ -207,8 +197,8 @@ void FreeVmbusChannel(VMBUS_CHANNEL* Channel) { TimerClose(Channel->PollTimer); - // We have to release the channel's workqueue/thread in the vmbus's workqueue/thread context - // ie we can't destroy ourselves. + /* We have to release the channel's workqueue/thread in the vmbus's workqueue/thread context */ + /* ie we can't destroy ourselves. */ WorkQueueQueueWorkItem(gVmbusConnection.WorkQueue, ReleaseVmbusChannel, (void*)Channel); } @@ -237,7 +227,7 @@ VmbusChannelProcessOffer( DPRINT_ENTER(VMBUS); - // Make sure this is a new offer + /* Make sure this is a new offer */ spin_lock_irqsave(&gVmbusConnection.channel_lock, flags); ITERATE_LIST_ENTRIES(anchor, curr, &gVmbusConnection.ChannelList) @@ -266,8 +256,8 @@ VmbusChannelProcessOffer( return; } - // Start the process of binding this offer to the driver - // We need to set the DeviceObject field before calling VmbusChildDeviceAdd() + /* Start the process of binding this offer to the driver */ + /* We need to set the DeviceObject field before calling VmbusChildDeviceAdd() */ newChannel->DeviceObject = VmbusChildDeviceCreate( newChannel->OfferMsg.Offer.InterfaceType, newChannel->OfferMsg.Offer.InterfaceInstance, @@ -275,8 +265,12 @@ VmbusChannelProcessOffer( DPRINT_DBG(VMBUS, "child device object allocated - %p", newChannel->DeviceObject); - // Add the new device to the bus. This will kick off device-driver binding - // which eventually invokes the device driver's AddDevice() method. + /* + * Add the new device to the bus. This will kick off device-driver + * binding which eventually invokes the device driver's AddDevice() + * method. + */ + ret = VmbusChildDeviceAdd(newChannel->DeviceObject); if (ret != 0) { @@ -291,8 +285,11 @@ VmbusChannelProcessOffer( } else { - // This state is used to indicate a successful open so that when we do close the channel normally, - // we can cleanup properly + /* + * This state is used to indicate a successful open + * so that when we do close the channel normally, we + * can cleanup properly + */ newChannel->State = CHANNEL_OPEN_STATE; } DPRINT_EXIT(VMBUS); @@ -377,7 +374,7 @@ VmbusChannelOnOffer( guidType->Data[3], guidType->Data[2], guidType->Data[1], guidType->Data[0], guidType->Data[5], guidType->Data[4], guidType->Data[7], guidType->Data[6], guidType->Data[8], guidType->Data[9], guidType->Data[10], guidType->Data[11], guidType->Data[12], guidType->Data[13], guidType->Data[14], guidType->Data[15], guidInstance->Data[3], guidInstance->Data[2], guidInstance->Data[1], guidInstance->Data[0], guidInstance->Data[5], guidInstance->Data[4], guidInstance->Data[7], guidInstance->Data[6], guidInstance->Data[8], guidInstance->Data[9], guidInstance->Data[10], guidInstance->Data[11], guidInstance->Data[12], guidInstance->Data[13], guidInstance->Data[14], guidInstance->Data[15]); - // Allocate the channel object and save this offer. + /* Allocate the channel object and save this offer. */ newChannel = AllocVmbusChannel(); if (!newChannel) { @@ -391,7 +388,7 @@ VmbusChannelOnOffer( newChannel->MonitorGroup = (u8)offer->MonitorId / 32; newChannel->MonitorBit = (u8)offer->MonitorId % 32; - // TODO: Make sure the offer comes from our parent partition + /* TODO: Make sure the offer comes from our parent partition */ WorkQueueQueueWorkItem(newChannel->ControlWQ, VmbusChannelProcessOffer, newChannel); DPRINT_EXIT(VMBUS); @@ -479,7 +476,7 @@ VmbusChannelOnOpenResult( DPRINT_DBG(VMBUS, "vmbus open result - %d", result->Status); - // Find the open msg, copy the result and signal/unblock the wait event + /* Find the open msg, copy the result and signal/unblock the wait event */ spin_lock_irqsave(&gVmbusConnection.channelmsg_lock, flags); ITERATE_LIST_ENTRIES(anchor, curr, &gVmbusConnection.ChannelMsgList) @@ -533,7 +530,7 @@ VmbusChannelOnGpadlCreated( DPRINT_DBG(VMBUS, "vmbus gpadl created result - %d", gpadlCreated->CreationStatus); - // Find the establish msg, copy the result and signal/unblock the wait event + /* Find the establish msg, copy the result and signal/unblock the wait event */ spin_lock_irqsave(&gVmbusConnection.channelmsg_lock, flags); ITERATE_LIST_ENTRIES(anchor, curr, &gVmbusConnection.ChannelMsgList) @@ -586,7 +583,7 @@ VmbusChannelOnGpadlTorndown( DPRINT_ENTER(VMBUS); - // Find the open msg, copy the result and signal/unblock the wait event + /* Find the open msg, copy the result and signal/unblock the wait event */ spin_lock_irqsave(&gVmbusConnection.channelmsg_lock, flags); ITERATE_LIST_ENTRIES(anchor, curr, &gVmbusConnection.ChannelMsgList) @@ -702,7 +699,7 @@ VmbusOnChannelMessage( DPRINT_ERR(VMBUS, "Unhandled channel message type %d", hdr->MessageType); } - // Free the msg that was allocated in VmbusOnMsgDPC() + /* Free the msg that was allocated in VmbusOnMsgDPC() */ kfree(msg); DPRINT_EXIT(VMBUS); } @@ -751,7 +748,7 @@ VmbusChannelRequestOffers( goto Cleanup; } - //WaitEventWait(msgInfo->waitEvent); + /* WaitEventWait(msgInfo->waitEvent); */ /*SpinlockAcquire(gVmbusConnection.channelMsgLock); REMOVE_ENTRY_LIST(&msgInfo->msgListEntry); @@ -819,5 +816,4 @@ VmbusChannelReleaseUnattachedChannels( spin_unlock_irqrestore(&gVmbusConnection.channel_lock, flags); } -// eof - +/* eof */ diff --git a/drivers/staging/hv/ChannelMgmt.h b/drivers/staging/hv/ChannelMgmt.h index b7afecad045..c4aa95c3f39 100644 --- a/drivers/staging/hv/ChannelMgmt.h +++ b/drivers/staging/hv/ChannelMgmt.h @@ -47,27 +47,27 @@ typedef struct _VMBUS_CHANNEL { DEVICE_OBJECT* DeviceObject; - HANDLE PollTimer; // SA-111 workaround + HANDLE PollTimer; /* SA-111 workaround */ VMBUS_CHANNEL_STATE State; VMBUS_CHANNEL_OFFER_CHANNEL OfferMsg; - // These are based on the OfferMsg.MonitorId. Save it here for easy access. + /* These are based on the OfferMsg.MonitorId. Save it here for easy access. */ u8 MonitorGroup; u8 MonitorBit; u32 RingBufferGpadlHandle; - // Allocated memory for ring buffer + /* Allocated memory for ring buffer */ void * RingBufferPages; u32 RingBufferPageCount; - RING_BUFFER_INFO Outbound; // send to parent - RING_BUFFER_INFO Inbound; // receive from parent + RING_BUFFER_INFO Outbound; /* send to parent */ + RING_BUFFER_INFO Inbound; /* receive from parent */ spinlock_t inbound_lock; HANDLE ControlWQ; - // Channel callback are invoked in this workqueue context - //HANDLE dataWorkQueue; + /* Channel callback are invoked in this workqueue context */ + /* HANDLE dataWorkQueue; */ PFN_CHANNEL_CALLBACK OnChannelCallback; void * ChannelCallbackContext; @@ -102,31 +102,31 @@ typedef union { } VMBUS_CHANNEL_MESSAGE_RESPONSE; -// Represents each channel msg on the vmbus connection -// This is a variable-size data structure depending on -// the msg type itself +/* + * Represents each channel msg on the vmbus connection This is a + * variable-size data structure depending on the msg type itself + */ + typedef struct _VMBUS_CHANNEL_MSGINFO { - // Bookkeeping stuff + /* Bookkeeping stuff */ LIST_ENTRY MsgListEntry; - // So far, this is only used to handle gpadl body message + /* So far, this is only used to handle gpadl body message */ LIST_ENTRY SubMsgList; - // Synchronize the request/response if needed + /* Synchronize the request/response if needed */ HANDLE WaitEvent; VMBUS_CHANNEL_MESSAGE_RESPONSE Response; u32 MessageSize; - // The channel message that goes out on the "wire". - // It will contain at minimum the VMBUS_CHANNEL_MESSAGE_HEADER header + /* The channel message that goes out on the "wire". */ + /* It will contain at minimum the VMBUS_CHANNEL_MESSAGE_HEADER header */ unsigned char Msg[0]; } VMBUS_CHANNEL_MSGINFO; -// -// Routines -// +/* Routines */ static VMBUS_CHANNEL* AllocVmbusChannel( @@ -153,4 +153,4 @@ VmbusChannelReleaseUnattachedChannels( void ); -#endif //_CHANNEL_MGMT_H_ +#endif /* _CHANNEL_MGMT_H_ */ diff --git a/drivers/staging/hv/Connection.c b/drivers/staging/hv/Connection.c index 78889bdda93..68f3a07371e 100644 --- a/drivers/staging/hv/Connection.c +++ b/drivers/staging/hv/Connection.c @@ -26,9 +26,7 @@ #include "VmbusPrivate.h" -// -// Globals -// +/* Globals */ VMBUS_CONNECTION gVmbusConnection = { @@ -57,11 +55,11 @@ VmbusConnect( DPRINT_ENTER(VMBUS); - // Make sure we are not connecting or connected + /* Make sure we are not connecting or connected */ if (gVmbusConnection.ConnectState != Disconnected) return -1; - // Initialize the vmbus connection + /* Initialize the vmbus connection */ gVmbusConnection.ConnectState = Connecting; gVmbusConnection.WorkQueue = WorkQueueCreate("vmbusQ"); @@ -71,7 +69,10 @@ VmbusConnect( INITIALIZE_LIST_HEAD(&gVmbusConnection.ChannelList); spin_lock_init(&gVmbusConnection.channel_lock); - // Setup the vmbus event connection for channel interrupt abstraction stuff + /* + * Setup the vmbus event connection for channel interrupt + * abstraction stuff + */ gVmbusConnection.InterruptPage = PageAlloc(1); if (gVmbusConnection.InterruptPage == NULL) { @@ -82,7 +83,10 @@ VmbusConnect( gVmbusConnection.RecvInterruptPage = gVmbusConnection.InterruptPage; gVmbusConnection.SendInterruptPage = (void*)((unsigned long)gVmbusConnection.InterruptPage + (PAGE_SIZE >> 1)); - // Setup the monitor notification facility. The 1st page for parent->child and the 2nd page for child->parent + /* Setup the monitor + * notification facility. The 1st page for parent->child and + * the 2nd page for child->parent + */ gVmbusConnection.MonitorPages = PageAlloc(2); if (gVmbusConnection.MonitorPages == NULL) { @@ -106,8 +110,10 @@ VmbusConnect( msg->MonitorPage1 = GetPhysicalAddress(gVmbusConnection.MonitorPages); msg->MonitorPage2 = GetPhysicalAddress((void *)((unsigned long)gVmbusConnection.MonitorPages + PAGE_SIZE)); - // Add to list before we send the request since we may receive the response - // before returning from this routine + /* + * Add to list before we send the request since we may + * receive the response before returning from this routine + */ spin_lock_irqsave(&gVmbusConnection.channelmsg_lock, flags); INSERT_TAIL_LIST(&gVmbusConnection.ChannelMsgList, &msgInfo->MsgListEntry); spin_unlock_irqrestore(&gVmbusConnection.channelmsg_lock, flags); @@ -124,12 +130,12 @@ VmbusConnect( goto Cleanup; } - // Wait for the connection response + /* Wait for the connection response */ WaitEventWait(msgInfo->WaitEvent); REMOVE_ENTRY_LIST(&msgInfo->MsgListEntry); - // Check if successful + /* Check if successful */ if (msgInfo->Response.VersionResponse.VersionSupported) { DPRINT_INFO(VMBUS, "Vmbus connected!!"); @@ -202,7 +208,7 @@ VmbusDisconnect( DPRINT_ENTER(VMBUS); - // Make sure we are connected + /* Make sure we are connected */ if (gVmbusConnection.ConnectState != Connected) return -1; @@ -219,7 +225,7 @@ VmbusDisconnect( PageFree(gVmbusConnection.InterruptPage, 1); - // TODO: iterate thru the msg list and free up + /* TODO: iterate thru the msg list and free up */ WorkQueueClose(gVmbusConnection.WorkQueue); @@ -296,18 +302,20 @@ VmbusProcessChannelEvent( ASSERT(relId > 0); - // Find the channel based on this relid and invokes - // the channel callback to process the event + /* + * Find the channel based on this relid and invokes the + * channel callback to process the event + */ channel = GetChannelFromRelId(relId); if (channel) { VmbusChannelOnChannelEvent(channel); - //WorkQueueQueueWorkItem(channel->dataWorkQueue, VmbusChannelOnChannelEvent, (void*)channel); + /* WorkQueueQueueWorkItem(channel->dataWorkQueue, VmbusChannelOnChannelEvent, (void*)channel); */ } else { - DPRINT_ERR(VMBUS, "channel not found for relid - %d.", relId); + DPRINT_ERR(VMBUS, "channel not found for relid - %d.", relId); } } @@ -327,16 +335,16 @@ VmbusOnEvents( ) { int dword; - //int maxdword = PAGE_SIZE >> 3; // receive size is 1/2 page and divide that by 4 bytes + /* int maxdword = PAGE_SIZE >> 3; // receive size is 1/2 page and divide that by 4 bytes */ int maxdword = MAX_NUM_CHANNELS_SUPPORTED >> 5; int bit; int relid; u32* recvInterruptPage = gVmbusConnection.RecvInterruptPage; - //VMBUS_CHANNEL_MESSAGE* receiveMsg; + /* VMBUS_CHANNEL_MESSAGE* receiveMsg; */ DPRINT_ENTER(VMBUS); - // Check events + /* Check events */ if (recvInterruptPage) { for (dword = 0; dword < maxdword; dword++) @@ -351,15 +359,15 @@ VmbusOnEvents( DPRINT_DBG(VMBUS, "event detected for relid - %d", relid); - if (relid == 0) // special case - vmbus channel protocol msg + if (relid == 0) /* special case - vmbus channel protocol msg */ { DPRINT_DBG(VMBUS, "invalid relid - %d", relid); continue; } else { - //QueueWorkItem(VmbusProcessEvent, (void*)relid); - //ret = WorkQueueQueueWorkItem(gVmbusConnection.workQueue, VmbusProcessChannelEvent, (void*)relid); + /* QueueWorkItem(VmbusProcessEvent, (void*)relid); */ + /* ret = WorkQueueQueueWorkItem(gVmbusConnection.workQueue, VmbusProcessChannelEvent, (void*)relid); */ VmbusProcessChannelEvent((void*)(unsigned long)relid); } } @@ -418,7 +426,7 @@ VmbusSetEvent(u32 childRelId) DPRINT_ENTER(VMBUS); - // Each u32 represents 32 channels + /* Each u32 represents 32 channels */ BitSet((u32*)gVmbusConnection.SendInterruptPage + (childRelId >> 5), childRelId & 31); ret = HvSignalEvent(); @@ -427,4 +435,4 @@ VmbusSetEvent(u32 childRelId) return ret; } -// EOF +/* EOF */ diff --git a/drivers/staging/hv/Hv.c b/drivers/staging/hv/Hv.c index 3a833ad55d4..264a90f8f8e 100644 --- a/drivers/staging/hv/Hv.c +++ b/drivers/staging/hv/Hv.c @@ -25,11 +25,9 @@ #include "include/logging.h" #include "VmbusPrivate.h" -// -// Globals -// +/* Globals */ -// The one and only +/* The one and only */ HV_CONTEXT gHvContext={ .SynICInitialized = false, .HypercallPage = NULL, @@ -90,10 +88,11 @@ HvQueryHypervisorInfo ( unsigned int maxLeaf; unsigned int op; - // - // Its assumed that this is called after confirming that Viridian is present. - // Query id and revision. - // + /* + * Its assumed that this is called after confirming that Viridian + * is present. Query id and revision. + */ + eax = 0; ebx = 0; @@ -103,18 +102,18 @@ HvQueryHypervisorInfo ( do_cpuid(op, &eax, &ebx, &ecx, &edx); DPRINT_INFO(VMBUS, "Vendor ID: %c%c%c%c%c%c%c%c%c%c%c%c", - (ebx & 0xFF), - ((ebx >> 8) & 0xFF), - ((ebx >> 16) & 0xFF), - ((ebx >> 24) & 0xFF), - (ecx & 0xFF), - ((ecx >> 8) & 0xFF), - ((ecx >> 16) & 0xFF), - ((ecx >> 24) & 0xFF), - (edx & 0xFF), - ((edx >> 8) & 0xFF), - ((edx >> 16) & 0xFF), - ((edx >> 24) & 0xFF)); + (ebx & 0xFF), + ((ebx >> 8) & 0xFF), + ((ebx >> 16) & 0xFF), + ((ebx >> 24) & 0xFF), + (ecx & 0xFF), + ((ecx >> 8) & 0xFF), + ((ecx >> 16) & 0xFF), + ((ecx >> 24) & 0xFF), + (edx & 0xFF), + ((edx >> 8) & 0xFF), + ((edx >> 16) & 0xFF), + ((edx >> 24) & 0xFF)); maxLeaf = eax; eax = 0; @@ -125,25 +124,25 @@ HvQueryHypervisorInfo ( do_cpuid(op, &eax, &ebx, &ecx, &edx); DPRINT_INFO(VMBUS, "Interface ID: %c%c%c%c", - (eax & 0xFF), - ((eax >> 8) & 0xFF), - ((eax >> 16) & 0xFF), - ((eax >> 24) & 0xFF)); + (eax & 0xFF), + ((eax >> 8) & 0xFF), + ((eax >> 16) & 0xFF), + ((eax >> 24) & 0xFF)); if (maxLeaf >= HvCpuIdFunctionMsHvVersion) { - eax = 0; - ebx = 0; - ecx = 0; - edx = 0; - op = HvCpuIdFunctionMsHvVersion; - do_cpuid(op, &eax, &ebx, &ecx, &edx); - DPRINT_INFO(VMBUS, "OS Build:%d-%d.%d-%d-%d.%d", - eax, - ebx >> 16, - ebx & 0xFFFF, - ecx, - edx >> 24, - edx & 0xFFFFFF); + eax = 0; + ebx = 0; + ecx = 0; + edx = 0; + op = HvCpuIdFunctionMsHvVersion; + do_cpuid(op, &eax, &ebx, &ecx, &edx); + DPRINT_INFO(VMBUS, "OS Build:%d-%d.%d-%d-%d.%d", + eax, + ebx >> 16, + ebx & 0xFFFF, + ecx, + edx >> 24, + edx & 0xFFFFFF); } return maxLeaf; } @@ -211,7 +210,7 @@ HvDoHypercall ( DPRINT_DBG(VMBUS, "Hypercall <return %llx>", hvStatusLo | ((u64)hvStatusHi << 32)); return (hvStatusLo | ((u64)hvStatusHi << 32)); -#endif // x86_64 +#endif /* x86_64 */ } /*++ @@ -249,26 +248,26 @@ HvInit ( DPRINT_INFO(VMBUS, "Windows hypervisor detected! Retrieving more info..."); maxLeaf = HvQueryHypervisorInfo(); - //HvQueryHypervisorFeatures(maxLeaf); + /* HvQueryHypervisorFeatures(maxLeaf); */ - // Determine if we are running on xenlinux (ie x2v shim) or native linux + /* Determine if we are running on xenlinux (ie x2v shim) or native linux */ gHvContext.GuestId = ReadMsr(HV_X64_MSR_GUEST_OS_ID); if (gHvContext.GuestId == 0) { - // Write our OS info + /* Write our OS info */ WriteMsr(HV_X64_MSR_GUEST_OS_ID, HV_LINUX_GUEST_ID); gHvContext.GuestId = HV_LINUX_GUEST_ID; } - // See if the hypercall page is already set + /* See if the hypercall page is already set */ hypercallMsr.AsUINT64 = ReadMsr(HV_X64_MSR_HYPERCALL); if (gHvContext.GuestId == HV_LINUX_GUEST_ID) { - // Allocate the hypercall page memory - //virtAddr = PageAlloc(1); + /* Allocate the hypercall page memory */ + /* virtAddr = PageAlloc(1); */ virtAddr = VirtualAllocExec(PAGE_SIZE); if (!virtAddr) @@ -278,11 +277,11 @@ HvInit ( } hypercallMsr.Enable = 1; - //hypercallMsr.GuestPhysicalAddress = Logical2PhysicalAddr(virtAddr) >> PAGE_SHIFT; + /* hypercallMsr.GuestPhysicalAddress = Logical2PhysicalAddr(virtAddr) >> PAGE_SHIFT; */ hypercallMsr.GuestPhysicalAddress = Virtual2Physical(virtAddr) >> PAGE_SHIFT; WriteMsr(HV_X64_MSR_HYPERCALL, hypercallMsr.AsUINT64); - // Confirm that hypercall page did get setup. + /* Confirm that hypercall page did get setup. */ hypercallMsr.AsUINT64 = 0; hypercallMsr.AsUINT64 = ReadMsr(HV_X64_MSR_HYPERCALL); @@ -304,7 +303,7 @@ HvInit ( gHvContext.HypercallPage, (u64)hypercallMsr.GuestPhysicalAddress << PAGE_SHIFT); - // Setup the global signal event param for the signal event hypercall + /* Setup the global signal event param for the signal event hypercall */ gHvContext.SignalEventBuffer = kmalloc(sizeof(HV_INPUT_SIGNAL_EVENT_BUFFER), GFP_KERNEL); if (!gHvContext.SignalEventBuffer) { @@ -317,7 +316,7 @@ HvInit ( gHvContext.SignalEventParam->FlagNumber = 0; gHvContext.SignalEventParam->RsvdZ = 0; - //DPRINT_DBG(VMBUS, "My id %llu", HvGetCurrentPartitionId()); + /* DPRINT_DBG(VMBUS, "My id %llu", HvGetCurrentPartitionId()); */ DPRINT_EXIT(VMBUS); @@ -490,12 +489,12 @@ HvSynicInit ( return ret; } - // Check the version + /* Check the version */ version = ReadMsr(HV_X64_MSR_SVERSION); DPRINT_INFO(VMBUS, "SynIC version: %llx", version); - // TODO: Handle SMP + /* TODO: Handle SMP */ if (gHvContext.GuestId == HV_XENLINUX_GUEST_ID) { DPRINT_INFO(VMBUS, "Skipping SIMP and SIEFP setup since it is already set."); @@ -505,7 +504,7 @@ HvSynicInit ( DPRINT_DBG(VMBUS, "Simp: %llx, Sifep: %llx", simp.AsUINT64, siefp.AsUINT64); - // Determine if we are running on xenlinux (ie x2v shim) or native linux + /* Determine if we are running on xenlinux (ie x2v shim) or native linux */ guestID = ReadMsr(HV_X64_MSR_GUEST_OS_ID); if (guestID == HV_LINUX_GUEST_ID) @@ -536,9 +535,7 @@ HvSynicInit ( goto Cleanup; } - // - // Setup the Synic's message page - // + /* Setup the Synic's message page */ simp.AsUINT64 = ReadMsr(HV_X64_MSR_SIMP); simp.SimpEnabled = 1; simp.BaseSimpGpa = GetPhysicalAddress(gHvContext.synICMessagePage[0]) >> PAGE_SHIFT; @@ -547,9 +544,7 @@ HvSynicInit ( WriteMsr(HV_X64_MSR_SIMP, simp.AsUINT64); - // - // Setup the Synic's event page - // + /* Setup the Synic's event page */ siefp.AsUINT64 = ReadMsr(HV_X64_MSR_SIEFP); siefp.SiefpEnabled = 1; siefp.BaseSiefpGpa = GetPhysicalAddress(gHvContext.synICEventPage[0]) >> PAGE_SHIFT; @@ -558,31 +553,27 @@ HvSynicInit ( WriteMsr(HV_X64_MSR_SIEFP, siefp.AsUINT64); } - // - // Setup the interception SINT. - // - //WriteMsr((HV_X64_MSR_SINT0 + HV_SYNIC_INTERCEPTION_SINT_INDEX), - // interceptionSint.AsUINT64); - - // - // Setup the shared SINT. - // + /* Setup the interception SINT. */ + /* WriteMsr((HV_X64_MSR_SINT0 + HV_SYNIC_INTERCEPTION_SINT_INDEX), */ + /* interceptionSint.AsUINT64); */ + + /* Setup the shared SINT. */ sharedSint.AsUINT64 = ReadMsr(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT); sharedSint.AsUINT64 = 0; - sharedSint.Vector = irqVector; //HV_SHARED_SINT_IDT_VECTOR + 0x20; - sharedSint.Masked = false; - sharedSint.AutoEoi = true; + sharedSint.Vector = irqVector; /* HV_SHARED_SINT_IDT_VECTOR + 0x20; */ + sharedSint.Masked = false; + sharedSint.AutoEoi = true; DPRINT_DBG(VMBUS, "HV_X64_MSR_SINT1 msr set to: %llx", sharedSint.AsUINT64); WriteMsr(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, sharedSint.AsUINT64); - // Enable the global synic bit + /* Enable the global synic bit */ sctrl.AsUINT64 = ReadMsr(HV_X64_MSR_SCONTROL); sctrl.Enable = 1; - WriteMsr(HV_X64_MSR_SCONTROL, sctrl.AsUINT64); + WriteMsr(HV_X64_MSR_SCONTROL, sctrl.AsUINT64); gHvContext.SynICInitialized = true; @@ -642,11 +633,14 @@ HvSynicCleanup( sharedSint.Masked = 1; - // Disable the interrupt + /* Disable the interrupt */ WriteMsr(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, sharedSint.AsUINT64); - // Disable and free the resources only if we are running as native linux - // since in xenlinux, we are sharing the resources with the x2v shim + /* + * Disable and free the resources only if we are running as + * native linux since in xenlinux, we are sharing the + * resources with the x2v shim + */ if (gHvContext.GuestId == HV_LINUX_GUEST_ID) { simp.AsUINT64 = ReadMsr(HV_X64_MSR_SIMP); @@ -669,4 +663,4 @@ HvSynicCleanup( } -// eof +/* eof */ diff --git a/drivers/staging/hv/Hv.h b/drivers/staging/hv/Hv.h index dbe9bb899f1..a62ac33d97d 100644 --- a/drivers/staging/hv/Hv.h +++ b/drivers/staging/hv/Hv.h @@ -29,17 +29,17 @@ #include "include/HvTypes.h" #include "include/HvStatus.h" -//#include "HvVmApi.h" -//#include "HvKeApi.h" -//#include "HvMmApi.h" -//#include "HvCpuApi.h" +/* #include "HvVmApi.h" */ +/* #include "HvKeApi.h" */ +/* #include "HvMmApi.h" */ +/* #include "HvCpuApi.h" */ #include "include/HvHalApi.h" #include "include/HvVpApi.h" -//#include "HvTrApi.h" +/* #include "HvTrApi.h" */ #include "include/HvSynicApi.h" -//#include "HvAmApi.h" -//#include "HvHkApi.h" -//#include "HvValApi.h" +/* #include "HvAmApi.h" */ +/* #include "HvHkApi.h" */ +/* #include "HvValApi.h" */ #include "include/HvHcApi.h" #include "include/HvPtApi.h" @@ -53,9 +53,9 @@ enum VMBUS_MONITOR_PORT_ID = 3, VMBUS_MESSAGE_SINT = 2 }; -// -// #defines -// + +/* #defines */ + #define HV_PRESENT_BIT 0x80000000 #define HV_XENLINUX_GUEST_ID_LO 0x00000000 @@ -75,9 +75,9 @@ enum #define HV_HYPERCALL_PARAM_ALIGN sizeof(u64) -// -// Service definitions -// + +/* Service definitions */ + #define HV_SERVICE_PARENT_PORT (0) #define HV_SERVICE_PARENT_CONNECTION (0) @@ -95,10 +95,10 @@ enum #define HV_SERVICE_PROTOCOL_VERSION (0x0010) #define HV_CONNECT_PAYLOAD_BYTE_COUNT 64 -//#define VMBUS_REVISION_NUMBER 6 -//#define VMBUS_PORT_ID 11 // Our local vmbus's port and connection id. Anything >0 is fine +/* #define VMBUS_REVISION_NUMBER 6 */ +/* #define VMBUS_PORT_ID 11 // Our local vmbus's port and connection id. Anything >0 is fine */ -// 628180B8-308D-4c5e-B7DB-1BEB62E62EF4 +/* 628180B8-308D-4c5e-B7DB-1BEB62E62EF4 */ static const GUID VMBUS_SERVICE_ID = {.Data = {0xb8, 0x80, 0x81, 0x62, 0x8d, 0x30, 0x5e, 0x4c, 0xb7, 0xdb, 0x1b, 0xeb, 0x62, 0xe6, 0x2e, 0xf4} }; #define MAX_NUM_CPUS 1 @@ -110,14 +110,14 @@ typedef struct { } HV_INPUT_SIGNAL_EVENT_BUFFER; typedef struct { - u64 GuestId; // XenLinux or native Linux. If XenLinux, the hypercall and synic pages has already been initialized + u64 GuestId; /* XenLinux or native Linux. If XenLinux, the hypercall and synic pages has already been initialized */ void* HypercallPage; bool SynICInitialized; - // This is used as an input param to HvCallSignalEvent hypercall. The input param is immutable - // in our usage and must be dynamic mem (vs stack or global). + /* This is used as an input param to HvCallSignalEvent hypercall. The input param is immutable */ + /* in our usage and must be dynamic mem (vs stack or global). */ HV_INPUT_SIGNAL_EVENT_BUFFER *SignalEventBuffer; - HV_INPUT_SIGNAL_EVENT *SignalEventParam; // 8-bytes aligned of the buffer above + HV_INPUT_SIGNAL_EVENT *SignalEventParam; /* 8-bytes aligned of the buffer above */ HANDLE synICMessagePage[MAX_NUM_CPUS]; HANDLE synICEventPage[MAX_NUM_CPUS]; @@ -126,9 +126,9 @@ typedef struct { extern HV_CONTEXT gHvContext; -// -// Inline routines -// + +/* Inline routines */ + static inline unsigned long long ReadMsr(int msr) { unsigned long long val; @@ -145,9 +145,9 @@ static inline void WriteMsr(int msr, u64 val) return; } -// -// Hv Interface -// + +/* Hv Interface */ + static int HvInit( void @@ -181,4 +181,4 @@ HvSynicCleanup( void ); -#endif // __HV_H__ +#endif /* __HV_H__ */ diff --git a/drivers/staging/hv/NetVsc.c b/drivers/staging/hv/NetVsc.c index b4b701012e9..72d41cc4829 100644 --- a/drivers/staging/hv/NetVsc.c +++ b/drivers/staging/hv/NetVsc.c @@ -28,20 +28,16 @@ #include "RndisFilter.h" -// -// Globals -// +/* Globals */ static const char* gDriverName="netvsc"; -// {F8615163-DF3E-46c5-913F-F2D2F965ED0E} +/* {F8615163-DF3E-46c5-913F-F2D2F965ED0E} */ static const GUID gNetVscDeviceType={ .Data = {0x63, 0x51, 0x61, 0xF8, 0x3E, 0xDF, 0xc5, 0x46, 0x91, 0x3F, 0xF2, 0xD2, 0xF9, 0x65, 0xED, 0x0E} }; -// -// Internal routines -// +/* Internal routines */ static int NetVscOnDeviceAdd( DEVICE_OBJECT *Device, @@ -125,7 +121,7 @@ static inline NETVSC_DEVICE* AllocNetDevice(DEVICE_OBJECT *Device) if (!netDevice) return NULL; - // Set to 2 to allow both inbound and outbound traffic + /* Set to 2 to allow both inbound and outbound traffic */ InterlockedCompareExchange(&netDevice->RefCount, 2, 0); netDevice->Device = Device; @@ -142,7 +138,7 @@ static inline void FreeNetDevice(NETVSC_DEVICE *Device) } -// Get the net device object iff exists and its refcount > 1 +/* Get the net device object iff exists and its refcount > 1 */ static inline NETVSC_DEVICE* GetOutboundNetDevice(DEVICE_OBJECT *Device) { NETVSC_DEVICE *netDevice; @@ -160,7 +156,7 @@ static inline NETVSC_DEVICE* GetOutboundNetDevice(DEVICE_OBJECT *Device) return netDevice; } -// Get the net device object iff exists and its refcount > 0 +/* Get the net device object iff exists and its refcount > 0 */ static inline NETVSC_DEVICE* GetInboundNetDevice(DEVICE_OBJECT *Device) { NETVSC_DEVICE *netDevice; @@ -196,7 +192,7 @@ static inline NETVSC_DEVICE* ReleaseOutboundNetDevice(DEVICE_OBJECT *Device) if (netDevice == NULL) return NULL; - // Busy wait until the ref drop to 2, then set it to 1 + /* Busy wait until the ref drop to 2, then set it to 1 */ while (InterlockedCompareExchange(&netDevice->RefCount, 1, 2) != 2) { udelay(100); @@ -213,7 +209,7 @@ static inline NETVSC_DEVICE* ReleaseInboundNetDevice(DEVICE_OBJECT *Device) if (netDevice == NULL) return NULL; - // Busy wait until the ref drop to 1, then set it to 0 + /* Busy wait until the ref drop to 1, then set it to 0 */ while (InterlockedCompareExchange(&netDevice->RefCount, 0, 1) != 1) { udelay(100); @@ -246,17 +242,17 @@ NetVscInitialize( DPRINT_DBG(NETVSC, "sizeof(NETVSC_PACKET)=%d, sizeof(NVSP_MESSAGE)=%d, sizeof(VMTRANSFER_PAGE_PACKET_HEADER)=%d", sizeof(NETVSC_PACKET), sizeof(NVSP_MESSAGE), sizeof(VMTRANSFER_PAGE_PACKET_HEADER)); - // Make sure we are at least 2 pages since 1 page is used for control + /* Make sure we are at least 2 pages since 1 page is used for control */ ASSERT(driver->RingBufferSize >= (PAGE_SIZE << 1)); drv->name = gDriverName; memcpy(&drv->deviceType, &gNetVscDeviceType, sizeof(GUID)); - // Make sure it is set by the caller + /* Make sure it is set by the caller */ ASSERT(driver->OnReceiveCallback); ASSERT(driver->OnLinkStatusChanged); - // Setup the dispatch table + /* Setup the dispatch table */ driver->Base.OnDeviceAdd = NetVscOnDeviceAdd; driver->Base.OnDeviceRemove = NetVscOnDeviceRemove; driver->Base.OnCleanup = NetVscOnCleanup; @@ -289,7 +285,7 @@ NetVscInitializeReceiveBufferWithNetVsp( return -1; } ASSERT(netDevice->ReceiveBufferSize > 0); - ASSERT((netDevice->ReceiveBufferSize & (PAGE_SIZE-1)) == 0); // page-size grandularity + ASSERT((netDevice->ReceiveBufferSize & (PAGE_SIZE-1)) == 0); /* page-size grandularity */ netDevice->ReceiveBuffer = PageAlloc(netDevice->ReceiveBufferSize >> PAGE_SHIFT); if (!netDevice->ReceiveBuffer) @@ -298,13 +294,15 @@ NetVscInitializeReceiveBufferWithNetVsp( ret = -1; goto Cleanup; } - ASSERT(((unsigned long)netDevice->ReceiveBuffer & (PAGE_SIZE-1)) == 0); // page-aligned buffer + ASSERT(((unsigned long)netDevice->ReceiveBuffer & (PAGE_SIZE-1)) == 0); /* page-aligned buffer */ DPRINT_INFO(NETVSC, "Establishing receive buffer's GPADL..."); - // Establish the gpadl handle for this buffer on this channel. - // Note: This call uses the vmbus connection rather than the channel to establish - // the gpadl handle. + /* + * Establish the gpadl handle for this buffer on this + * channel. Note: This call uses the vmbus connection rather + * than the channel to establish the gpadl handle. + */ ret = Device->Driver->VmbusChannelInterface.EstablishGpadl(Device, netDevice->ReceiveBuffer, netDevice->ReceiveBufferSize, @@ -316,9 +314,9 @@ NetVscInitializeReceiveBufferWithNetVsp( goto Cleanup; } - //WaitEventWait(ext->ChannelInitEvent); + /* WaitEventWait(ext->ChannelInitEvent); */ - // Notify the NetVsp of the gpadl handle + /* Notify the NetVsp of the gpadl handle */ DPRINT_INFO(NETVSC, "Sending NvspMessage1TypeSendReceiveBuffer..."); initPacket = &netDevice->ChannelInitPacket; @@ -329,7 +327,7 @@ NetVscInitializeReceiveBufferWithNetVsp( initPacket->Messages.Version1Messages.SendReceiveBuffer.GpadlHandle = netDevice->ReceiveBufferGpadlHandle; initPacket->Messages.Version1Messages.SendReceiveBuffer.Id = NETVSC_RECEIVE_BUFFER_ID; - // Send the gpadl notification request + /* Send the gpadl notification request */ ret = Device->Driver->VmbusChannelInterface.SendPacket(Device, initPacket, sizeof(NVSP_MESSAGE), @@ -344,7 +342,7 @@ NetVscInitializeReceiveBufferWithNetVsp( WaitEventWait(netDevice->ChannelInitEvent); - // Check the response + /* Check the response */ if (initPacket->Messages.Version1Messages.SendReceiveBufferComplete.Status != NvspStatusSuccess) { DPRINT_ERR(NETVSC, @@ -354,7 +352,7 @@ NetVscInitializeReceiveBufferWithNetVsp( goto Cleanup; } - // Parse the response + /* Parse the response */ ASSERT(netDevice->ReceiveSectionCount == 0); ASSERT(netDevice->ReceiveSections == NULL); @@ -377,7 +375,7 @@ NetVscInitializeReceiveBufferWithNetVsp( netDevice->ReceiveSections[0].SubAllocationSize, netDevice->ReceiveSections[0].NumSubAllocations); - //For 1st release, there should only be 1 section that represents the entire receive buffer + /* For 1st release, there should only be 1 section that represents the entire receive buffer */ if (netDevice->ReceiveSectionCount != 1 || netDevice->ReceiveSections->Offset != 0 ) { @@ -416,7 +414,7 @@ NetVscInitializeSendBufferWithNetVsp( return -1; } ASSERT(netDevice->SendBufferSize > 0); - ASSERT((netDevice->SendBufferSize & (PAGE_SIZE-1)) == 0); // page-size grandularity + ASSERT((netDevice->SendBufferSize & (PAGE_SIZE-1)) == 0); /* page-size grandularity */ netDevice->SendBuffer = PageAlloc(netDevice->SendBufferSize >> PAGE_SHIFT); if (!netDevice->SendBuffer) @@ -425,17 +423,19 @@ NetVscInitializeSendBufferWithNetVsp( ret = -1; goto Cleanup; } - ASSERT(((unsigned long)netDevice->SendBuffer & (PAGE_SIZE-1)) == 0); // page-aligned buffer + ASSERT(((unsigned long)netDevice->SendBuffer & (PAGE_SIZE-1)) == 0); /* page-aligned buffer */ DPRINT_INFO(NETVSC, "Establishing send buffer's GPADL..."); - // Establish the gpadl handle for this buffer on this channel. - // Note: This call uses the vmbus connection rather than the channel to establish - // the gpadl handle. + /* + * Establish the gpadl handle for this buffer on this + * channel. Note: This call uses the vmbus connection rather + * than the channel to establish the gpadl handle. + */ ret = Device->Driver->VmbusChannelInterface.EstablishGpadl(Device, - netDevice->SendBuffer, - netDevice->SendBufferSize, - &netDevice->SendBufferGpadlHandle); + netDevice->SendBuffer, + netDevice->SendBufferSize, + &netDevice->SendBufferGpadlHandle); if (ret != 0) { @@ -443,9 +443,9 @@ NetVscInitializeSendBufferWithNetVsp( goto Cleanup; } - //WaitEventWait(ext->ChannelInitEvent); + /* WaitEventWait(ext->ChannelInitEvent); */ - // Notify the NetVsp of the gpadl handle + /* Notify the NetVsp of the gpadl handle */ DPRINT_INFO(NETVSC, "Sending NvspMessage1TypeSendSendBuffer..."); initPacket = &netDevice->ChannelInitPacket; @@ -456,7 +456,7 @@ NetVscInitializeSendBufferWithNetVsp( initPacket->Messages.Version1Messages.SendReceiveBuffer.GpadlHandle = netDevice->SendBufferGpadlHandle; initPacket->Messages.Version1Messages.SendReceiveBuffer.Id = NETVSC_SEND_BUFFER_ID; - // Send the gpadl notification request + /* Send the gpadl notification request */ ret = Device->Driver->VmbusChannelInterface.SendPacket(Device, initPacket, sizeof(NVSP_MESSAGE), @@ -471,7 +471,7 @@ NetVscInitializeSendBufferWithNetVsp( WaitEventWait(netDevice->ChannelInitEvent); - // Check the response + /* Check the response */ if (initPacket->Messages.Version1Messages.SendSendBufferComplete.Status != NvspStatusSuccess) { DPRINT_ERR(NETVSC, @@ -505,13 +505,17 @@ NetVscDestroyReceiveBuffer( DPRINT_ENTER(NETVSC); - // If we got a section count, it means we received a SendReceiveBufferComplete msg - // (ie sent NvspMessage1TypeSendReceiveBuffer msg) therefore, we need to send a revoke msg here + /* + * If we got a section count, it means we received a + * SendReceiveBufferComplete msg (ie sent + * NvspMessage1TypeSendReceiveBuffer msg) therefore, we need + * to send a revoke msg here + */ if (NetDevice->ReceiveSectionCount) { DPRINT_INFO(NETVSC, "Sending NvspMessage1TypeRevokeReceiveBuffer..."); - // Send the revoke receive buffer + /* Send the revoke receive buffer */ revokePacket = &NetDevice->RevokePacket; memset(revokePacket, 0, sizeof(NVSP_MESSAGE)); @@ -524,7 +528,10 @@ NetVscDestroyReceiveBuffer( (unsigned long)revokePacket, VmbusPacketTypeDataInBand, 0); - // If we failed here, we might as well return and have a leak rather than continue and a bugchk + /* + * If we failed here, we might as well return and + * have a leak rather than continue and a bugchk + */ if (ret != 0) { DPRINT_ERR(NETVSC, "unable to send revoke receive buffer to netvsp"); @@ -533,7 +540,7 @@ NetVscDestroyReceiveBuffer( } } - // Teardown the gpadl on the vsp end + /* Teardown the gpadl on the vsp end */ if (NetDevice->ReceiveBufferGpadlHandle) { DPRINT_INFO(NETVSC, "Tearing down receive buffer's GPADL..."); @@ -541,7 +548,7 @@ NetVscDestroyReceiveBuffer( ret = NetDevice->Device->Driver->VmbusChannelInterface.TeardownGpadl(NetDevice->Device, NetDevice->ReceiveBufferGpadlHandle); - // If we failed here, we might as well return and have a leak rather than continue and a bugchk + /* If we failed here, we might as well return and have a leak rather than continue and a bugchk */ if (ret != 0) { DPRINT_ERR(NETVSC, "unable to teardown receive buffer's gpadl"); @@ -555,7 +562,7 @@ NetVscDestroyReceiveBuffer( { DPRINT_INFO(NETVSC, "Freeing up receive buffer..."); - // Free up the receive buffer + /* Free up the receive buffer */ PageFree(NetDevice->ReceiveBuffer, NetDevice->ReceiveBufferSize >> PAGE_SHIFT); NetDevice->ReceiveBuffer = NULL; } @@ -586,13 +593,17 @@ NetVscDestroySendBuffer( DPRINT_ENTER(NETVSC); - // If we got a section count, it means we received a SendReceiveBufferComplete msg - // (ie sent NvspMessage1TypeSendReceiveBuffer msg) therefore, we need to send a revoke msg here + /* + * If we got a section count, it means we received a + * SendReceiveBufferComplete msg (ie sent + * NvspMessage1TypeSendReceiveBuffer msg) therefore, we need + * to send a revoke msg here + */ if (NetDevice->SendSectionSize) { DPRINT_INFO(NETVSC, "Sending NvspMessage1TypeRevokeSendBuffer..."); - // Send the revoke send buffer + /* Send the revoke send buffer */ revokePacket = &NetDevice->RevokePacket; memset(revokePacket, 0, sizeof(NVSP_MESSAGE)); @@ -605,7 +616,7 @@ NetVscDestroySendBuffer( (unsigned long)revokePacket, VmbusPacketTypeDataInBand, 0); - // If we failed here, we might as well return and have a leak rather than continue and a bugchk + /* If we failed here, we might as well return and have a leak rather than continue and a bugchk */ if (ret != 0) { DPRINT_ERR(NETVSC, "unable to send revoke send buffer to netvsp"); @@ -614,7 +625,7 @@ NetVscDestroySendBuffer( } } - // Teardown the gpadl on the vsp end + /* Teardown the gpadl on the vsp end */ if (NetDevice->SendBufferGpadlHandle) { DPRINT_INFO(NETVSC, "Tearing down send buffer's GPADL..."); @@ -622,7 +633,7 @@ NetVscDestroySendBuffer( ret = NetDevice->Device->Driver->VmbusChannelInterface.TeardownGpadl(NetDevice->Device, NetDevice->SendBufferGpadlHandle); - // If we failed here, we might as well return and have a leak rather than continue and a bugchk + /* If we failed here, we might as well return and have a leak rather than continue and a bugchk */ if (ret != 0) { DPRINT_ERR(NETVSC, "unable to teardown send buffer's gpadl"); @@ -636,7 +647,7 @@ NetVscDestroySendBuffer( { DPRINT_INFO(NETVSC, "Freeing up send buffer..."); - // Free up the receive buffer + /* Free up the receive buffer */ PageFree(NetDevice->SendBuffer, NetDevice->SendBufferSize >> PAGE_SHIFT); NetDevice->SendBuffer = NULL; } @@ -677,7 +688,7 @@ NetVscConnectToVsp( DPRINT_INFO(NETVSC, "Sending NvspMessageTypeInit..."); - // Send the init request + /* Send the init request */ ret = Device->Driver->VmbusChannelInterface.SendPacket(Device, initPacket, sizeof(NVSP_MESSAGE), @@ -693,8 +704,8 @@ NetVscConnectToVsp( WaitEventWait(netDevice->ChannelInitEvent); - // Now, check the response - //ASSERT(initPacket->Messages.InitMessages.InitComplete.MaximumMdlChainLength <= MAX_MULTIPAGE_BUFFER_COUNT); + /* Now, check the response */ + /* ASSERT(initPacket->Messages.InitMessages.InitComplete.MaximumMdlChainLength <= MAX_MULTIPAGE_BUFFER_COUNT); */ DPRINT_INFO(NETVSC, "NvspMessageTypeInit status(%d) max mdl chain (%d)", initPacket->Messages.InitMessages.InitComplete.Status, initPacket->Messages.InitMessages.InitComplete.MaximumMdlChainLength); @@ -715,7 +726,7 @@ NetVscConnectToVsp( } DPRINT_INFO(NETVSC, "Sending NvspMessage1TypeSendNdisVersion..."); - // Send the ndis version + /* Send the ndis version */ memset(initPacket, 0, sizeof(NVSP_MESSAGE)); ndisVersion = 0x00050000; @@ -724,7 +735,7 @@ NetVscConnectToVsp( initPacket->Messages.Version1Messages.SendNdisVersion.NdisMajorVersion = (ndisVersion & 0xFFFF0000) >> 16; initPacket->Messages.Version1Messages.SendNdisVersion.NdisMinorVersion = ndisVersion & 0xFFFF; - // Send the init request + /* Send the init request */ ret = Device->Driver->VmbusChannelInterface.SendPacket(Device, initPacket, sizeof(NVSP_MESSAGE), @@ -737,12 +748,15 @@ NetVscConnectToVsp( ret = -1; goto Cleanup; } - // - // BUGBUG - We have to wait for the above msg since the netvsp uses KMCL which acknowledges packet (completion packet) - // since our Vmbus always set the VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED flag - //WaitEventWait(NetVscChannel->ChannelInitEvent); - - // Post the big receive buffer to NetVSP + /* + * BUGBUG - We have to wait for the above msg since the + * netvsp uses KMCL which acknowledges packet (completion + * packet) since our Vmbus always set the + * VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED flag + */ + /* WaitEventWait(NetVscChannel->ChannelInitEvent); */ + + /* Post the big receive buffer to NetVSP */ ret = NetVscInitializeReceiveBufferWithNetVsp(Device); if (ret == 0) { @@ -804,7 +818,7 @@ NetVscOnDeviceAdd( DPRINT_DBG(NETVSC, "netvsc channel object allocated - %p", netDevice); - // Initialize the NetVSC channel extension + /* Initialize the NetVSC channel extension */ netDevice->ReceiveBufferSize = NETVSC_RECEIVE_BUFFER_SIZE; spin_lock_init(&netDevice->receive_packet_list_lock); @@ -825,14 +839,14 @@ NetVscOnDeviceAdd( } netDevice->ChannelInitEvent = WaitEventCreate(); - // Open the channel + /* Open the channel */ ret = Device->Driver->VmbusChannelInterface.Open(Device, - netDriver->RingBufferSize, - netDriver->RingBufferSize, - NULL, 0, - NetVscOnChannelCallback, - Device - ); + netDriver->RingBufferSize, + netDriver->RingBufferSize, + NULL, 0, + NetVscOnChannelCallback, + Device + ); if (ret != 0) { @@ -841,10 +855,10 @@ NetVscOnDeviceAdd( goto Cleanup; } - // Channel is opened + /* Channel is opened */ DPRINT_INFO(NETVSC, "*** NetVSC channel opened successfully! ***"); - // Connect with the NetVsp + /* Connect with the NetVsp */ ret = NetVscConnectToVsp(Device); if (ret != 0) { @@ -859,7 +873,7 @@ NetVscOnDeviceAdd( return ret; Close: - // Now, we can close the channel safely + /* Now, we can close the channel safely */ Device->Driver->VmbusChannelInterface.Close(Device); Cleanup: @@ -909,7 +923,7 @@ NetVscOnDeviceRemove( DPRINT_INFO(NETVSC, "Disabling outbound traffic on net device (%p)...", Device->Extension); - // Stop outbound traffic ie sends and receives completions + /* Stop outbound traffic ie sends and receives completions */ netDevice = ReleaseOutboundNetDevice(Device); if (!netDevice) { @@ -917,7 +931,7 @@ NetVscOnDeviceRemove( return -1; } - // Wait for all send completions + /* Wait for all send completions */ while (netDevice->NumOutstandingSends) { DPRINT_INFO(NETVSC, "waiting for %d requests to complete...", netDevice->NumOutstandingSends); @@ -931,16 +945,16 @@ NetVscOnDeviceRemove( DPRINT_INFO(NETVSC, "Disabling inbound traffic on net device (%p)...", Device->Extension); - // Stop inbound traffic ie receives and sends completions + /* Stop inbound traffic ie receives and sends completions */ netDevice = ReleaseInboundNetDevice(Device); - // At this point, no one should be accessing netDevice except in here + /* At this point, no one should be accessing netDevice except in here */ DPRINT_INFO(NETVSC, "net device (%p) safe to remove", netDevice); - // Now, we can close the channel safely + /* Now, we can close the channel safely */ Device->Driver->VmbusChannelInterface.Close(Device); - // Release all resources + /* Release all resources */ while (!IsListEmpty(&netDevice->ReceivePacketList)) { entry = REMOVE_HEAD_LIST(&netDevice->ReceivePacketList); @@ -1005,17 +1019,17 @@ NetVscOnSendCompletion( nvspPacket->Header.MessageType == NvspMessage1TypeSendReceiveBufferComplete || nvspPacket->Header.MessageType == NvspMessage1TypeSendSendBufferComplete) { - // Copy the response back + /* Copy the response back */ memcpy(&netDevice->ChannelInitPacket, nvspPacket, sizeof(NVSP_MESSAGE)); WaitEventSet(netDevice->ChannelInitEvent); } else if (nvspPacket->Header.MessageType == NvspMessage1TypeSendRNDISPacketComplete) { - // Get the send context + /* Get the send context */ nvscPacket = (NETVSC_PACKET *)(unsigned long)Packet->TransactionId; ASSERT(nvscPacket); - // Notify the layer above us + /* Notify the layer above us */ nvscPacket->Completion.Send.OnSendCompletion(nvscPacket->Completion.Send.SendCompletionContext); InterlockedDecrement(&netDevice->NumOutstandingSends); @@ -1054,11 +1068,11 @@ NetVscOnSend( sendMessage.Header.MessageType = NvspMessage1TypeSendRNDISPacket; if (Packet->IsDataPacket) - sendMessage.Messages.Version1Messages.SendRNDISPacket.ChannelType = 0;// 0 is RMC_DATA; + sendMessage.Messages.Version1Messages.SendRNDISPacket.ChannelType = 0;/* 0 is RMC_DATA; */ else - sendMessage.Messages.Version1Messages.SendRNDISPacket.ChannelType = 1;// 1 is RMC_CONTROL; + sendMessage.Messages.Version1Messages.SendRNDISPacket.ChannelType = 1;/* 1 is RMC_CONTROL; */ - // Not using send buffer section + /* Not using send buffer section */ sendMessage.Messages.Version1Messages.SendRNDISPacket.SendBufferSectionIndex = 0xFFFFFFFF; sendMessage.Messages.Version1Messages.SendRNDISPacket.SendBufferSectionSize = 0; @@ -1108,7 +1122,7 @@ NetVscOnReceive( LIST_ENTRY* entry; unsigned long start; unsigned long end, endVirtual; - //NETVSC_DRIVER_OBJECT *netvscDriver; + /* NETVSC_DRIVER_OBJECT *netvscDriver; */ XFERPAGE_PACKET *xferpagePacket=NULL; LIST_ENTRY listHead; @@ -1126,7 +1140,7 @@ NetVscOnReceive( return; } - // All inbound packets other than send completion should be xfer page packet + /* All inbound packets other than send completion should be xfer page packet */ if (Packet->Type != VmbusPacketTypeDataUsingTransferPages) { DPRINT_ERR(NETVSC, "Unknown packet type received - %d", Packet->Type); @@ -1136,7 +1150,7 @@ NetVscOnReceive( nvspPacket = (NVSP_MESSAGE*)((unsigned long)Packet + (Packet->DataOffset8 << 3)); - // Make sure this is a valid nvsp packet + /* Make sure this is a valid nvsp packet */ if (nvspPacket->Header.MessageType != NvspMessage1TypeSendRNDISPacket ) { DPRINT_ERR(NETVSC, "Unknown nvsp packet type received - %d", nvspPacket->Header.MessageType); @@ -1159,8 +1173,12 @@ NetVscOnReceive( INITIALIZE_LIST_HEAD(&listHead); - // Grab free packets (range count + 1) to represent this xfer page packet. +1 to represent - // the xfer page packet itself. We grab it here so that we know exactly how many we can fulfil + /* + * Grab free packets (range count + 1) to represent this xfer + * page packet. +1 to represent the xfer page packet itself. + * We grab it here so that we know exactly how many we can + * fulfil + */ spin_lock_irqsave(&netDevice->receive_packet_list_lock, flags); while (!IsListEmpty(&netDevice->ReceivePacketList)) { @@ -1174,13 +1192,16 @@ NetVscOnReceive( } spin_unlock_irqrestore(&netDevice->receive_packet_list_lock, flags); - // We need at least 2 netvsc pkts (1 to represent the xfer page and at least 1 for the range) - // i.e. we can handled some of the xfer page packet ranges... + /* + * We need at least 2 netvsc pkts (1 to represent the xfer + * page and at least 1 for the range) i.e. we can handled + * some of the xfer page packet ranges... + */ if (count < 2) { DPRINT_ERR(NETVSC, "Got only %d netvsc pkt...needed %d pkts. Dropping this xfer page packet completely!", count, vmxferpagePacket->RangeCount+1); - // Return it to the freelist + /* Return it to the freelist */ spin_lock_irqsave(&netDevice->receive_packet_list_lock, flags); for (i=count; i != 0; i--) { @@ -1197,10 +1218,10 @@ NetVscOnReceive( return; } - // Remove the 1st packet to represent the xfer page packet itself + /* Remove the 1st packet to represent the xfer page packet itself */ entry = REMOVE_HEAD_LIST(&listHead); xferpagePacket = CONTAINING_RECORD(entry, XFERPAGE_PACKET, ListEntry); - xferpagePacket->Count = count - 1; // This is how much we can satisfy + xferpagePacket->Count = count - 1; /* This is how much we can satisfy */ ASSERT(xferpagePacket->Count > 0 && xferpagePacket->Count <= vmxferpagePacket->RangeCount); if (xferpagePacket->Count != vmxferpagePacket->RangeCount) @@ -1208,18 +1229,18 @@ NetVscOnReceive( DPRINT_INFO(NETVSC, "Needed %d netvsc pkts to satisy this xfer page...got %d", vmxferpagePacket->RangeCount, xferpagePacket->Count); } - // Each range represents 1 RNDIS pkt that contains 1 ethernet frame + /* Each range represents 1 RNDIS pkt that contains 1 ethernet frame */ for (i=0; i < (count - 1); i++) { entry = REMOVE_HEAD_LIST(&listHead); netvscPacket = CONTAINING_RECORD(entry, NETVSC_PACKET, ListEntry); - // Initialize the netvsc packet + /* Initialize the netvsc packet */ netvscPacket->XferPagePacket = xferpagePacket; netvscPacket->Completion.Recv.OnReceiveCompletion = NetVscOnReceiveCompletion; netvscPacket->Completion.Recv.ReceiveCompletionContext = netvscPacket; netvscPacket->Device = Device; - netvscPacket->Completion.Recv.ReceiveCompletionTid = vmxferpagePacket->d.TransactionId; // Save this so that we can send it back + netvscPacket->Completion.Recv.ReceiveCompletionTid = vmxferpagePacket->d.TransactionId; /* Save this so that we can send it back */ netvscPacket->TotalDataBufferLength = vmxferpagePacket->Ranges[i].ByteCount; netvscPacket->PageBufferCount = 1; @@ -1236,10 +1257,10 @@ NetVscOnReceive( + vmxferpagePacket->Ranges[i].ByteCount -1; end = GetPhysicalAddress((void*)endVirtual); - // Calculate the page relative offset + /* Calculate the page relative offset */ netvscPacket->PageBuffers[0].Offset = vmxferpagePacket->Ranges[i].ByteOffset & (PAGE_SIZE -1); if ((end >> PAGE_SHIFT) != (start>>PAGE_SHIFT)) { - //Handle frame across multiple pages: + /* Handle frame across multiple pages: */ netvscPacket->PageBuffers[0].Length = (netvscPacket->PageBuffers[0].Pfn <<PAGE_SHIFT) + PAGE_SIZE - start; bytesRemain = netvscPacket->TotalDataBufferLength - netvscPacket->PageBuffers[0].Length; @@ -1268,7 +1289,7 @@ NetVscOnReceive( netvscPacket->PageBuffers[0].Offset, netvscPacket->PageBuffers[0].Length); - // Pass it to the upper layer + /* Pass it to the upper layer */ ((NETVSC_DRIVER_OBJECT*)Device->Driver)->OnReceiveCallback(Device, netvscPacket); NetVscOnReceiveCompletion(netvscPacket->Completion.Recv.ReceiveCompletionContext); @@ -1295,22 +1316,22 @@ NetVscSendReceiveCompletion( recvcompMessage.Header.MessageType = NvspMessage1TypeSendRNDISPacketComplete; - // FIXME: Pass in the status + /* FIXME: Pass in the status */ recvcompMessage.Messages.Version1Messages.SendRNDISPacketComplete.Status = NvspStatusSuccess; retry_send_cmplt: - // Send the completion + /* Send the completion */ ret = Device->Driver->VmbusChannelInterface.SendPacket(Device, &recvcompMessage, sizeof(NVSP_MESSAGE), TransactionId, VmbusPacketTypeCompletion, 0); - if (ret == 0) // success + if (ret == 0) /* success */ { - // no-op + /* no-op */ } - else if (ret == -1) // no more room...wait a bit and attempt to retry 3 times + else if (ret == -1) /* no more room...wait a bit and attempt to retry 3 times */ { retries++; DPRINT_ERR(NETVSC, "unable to send receive completion pkt (tid %llx)...retrying %d", TransactionId, retries); @@ -1331,9 +1352,7 @@ retry_send_cmplt: } } -// -// Send a receive completion packet to RNDIS device (ie NetVsp) -// +/* Send a receive completion packet to RNDIS device (ie NetVsp) */ static void NetVscOnReceiveCompletion( void * Context) @@ -1349,8 +1368,8 @@ NetVscOnReceiveCompletion( ASSERT(packet->XferPagePacket); - // Even though it seems logical to do a GetOutboundNetDevice() here to send out receive completion, - // we are using GetInboundNetDevice() since we may have disable outbound traffic already. + /* Even though it seems logical to do a GetOutboundNetDevice() here to send out receive completion, */ + /* we are using GetInboundNetDevice() since we may have disable outbound traffic already. */ netDevice = GetInboundNetDevice(device); if (!netDevice) { @@ -1359,14 +1378,14 @@ NetVscOnReceiveCompletion( return; } - // Overloading use of the lock. + /* Overloading use of the lock. */ spin_lock_irqsave(&netDevice->receive_packet_list_lock, flags); ASSERT(packet->XferPagePacket->Count > 0); packet->XferPagePacket->Count--; - // Last one in the line that represent 1 xfer page packet. - // Return the xfer page packet itself to the freelist + /* Last one in the line that represent 1 xfer page packet. */ + /* Return the xfer page packet itself to the freelist */ if (packet->XferPagePacket->Count == 0) { fSendReceiveComp = true; @@ -1375,11 +1394,11 @@ NetVscOnReceiveCompletion( INSERT_TAIL_LIST(&netDevice->ReceivePacketList, &packet->XferPagePacket->ListEntry); } - // Put the packet back + /* Put the packet back */ INSERT_TAIL_LIST(&netDevice->ReceivePacketList, &packet->ListEntry); spin_unlock_irqrestore(&netDevice->receive_packet_list_lock, flags); - // Send a receive completion for the xfer page packet + /* Send a receive completion for the xfer page packet */ if (fSendReceiveComp) { NetVscSendReceiveCompletion(device, transactionId); @@ -1451,7 +1470,7 @@ NetVscOnChannelCallback( break; } - // reset + /* reset */ if (bufferlen > netPacketSize) { kfree(buffer); @@ -1462,9 +1481,9 @@ NetVscOnChannelCallback( } else { - //DPRINT_DBG(NETVSC, "nothing else to read..."); + /* DPRINT_DBG(NETVSC, "nothing else to read..."); */ - // reset + /* reset */ if (bufferlen > netPacketSize) { kfree(buffer); @@ -1476,12 +1495,12 @@ NetVscOnChannelCallback( break; } } - else if (ret == -2) // Handle large packet + else if (ret == -2) /* Handle large packet */ { buffer = kmalloc(bytesRecvd, GFP_ATOMIC); if (buffer == NULL) { - // Try again next time around + /* Try again next time around */ DPRINT_ERR(NETVSC, "unable to allocate buffer of size (%d)!!", bytesRecvd); break; } diff --git a/drivers/staging/hv/NetVsc.h b/drivers/staging/hv/NetVsc.h index d6b0d678c81..acc4217fd41 100644 --- a/drivers/staging/hv/NetVsc.h +++ b/drivers/staging/hv/NetVsc.h @@ -30,62 +30,62 @@ #include "include/List.h" #include "include/NetVscApi.h" -// -// #defines -// -//#define NVSC_MIN_PROTOCOL_VERSION 1 -//#define NVSC_MAX_PROTOCOL_VERSION 1 -#define NETVSC_SEND_BUFFER_SIZE 64*1024 // 64K +/* #defines */ + +/* #define NVSC_MIN_PROTOCOL_VERSION 1 */ +/* #define NVSC_MAX_PROTOCOL_VERSION 1 */ + +#define NETVSC_SEND_BUFFER_SIZE 64*1024 /* 64K */ #define NETVSC_SEND_BUFFER_ID 0xface -#define NETVSC_RECEIVE_BUFFER_SIZE 1024*1024 // 1MB +#define NETVSC_RECEIVE_BUFFER_SIZE 1024*1024 /* 1MB */ #define NETVSC_RECEIVE_BUFFER_ID 0xcafe #define NETVSC_RECEIVE_SG_COUNT 1 -// Preallocated receive packets +/* Preallocated receive packets */ #define NETVSC_RECEIVE_PACKETLIST_COUNT 256 -// -// Data types -// -// Per netvsc channel-specific +/* Data types */ + + +/* Per netvsc channel-specific */ typedef struct _NETVSC_DEVICE { DEVICE_OBJECT *Device; int RefCount; int NumOutstandingSends; - // List of free preallocated NETVSC_PACKET to represent receive packet + /* List of free preallocated NETVSC_PACKET to represent receive packet */ LIST_ENTRY ReceivePacketList; spinlock_t receive_packet_list_lock; - // Send buffer allocated by us but manages by NetVSP + /* Send buffer allocated by us but manages by NetVSP */ void * SendBuffer; u32 SendBufferSize; u32 SendBufferGpadlHandle; u32 SendSectionSize; - // Receive buffer allocated by us but manages by NetVSP + /* Receive buffer allocated by us but manages by NetVSP */ void * ReceiveBuffer; u32 ReceiveBufferSize; u32 ReceiveBufferGpadlHandle; u32 ReceiveSectionCount; PNVSP_1_RECEIVE_BUFFER_SECTION ReceiveSections; - // Used for NetVSP initialization protocol + /* Used for NetVSP initialization protocol */ HANDLE ChannelInitEvent; NVSP_MESSAGE ChannelInitPacket; NVSP_MESSAGE RevokePacket; - //unsigned char HwMacAddr[HW_MACADDR_LEN]; + /* unsigned char HwMacAddr[HW_MACADDR_LEN]; */ - // Holds rndis device info + /* Holds rndis device info */ void *Extension; } NETVSC_DEVICE; -#endif // _NETVSC_H_ +#endif /* _NETVSC_H_ */ diff --git a/drivers/staging/hv/RingBuffer.c b/drivers/staging/hv/RingBuffer.c index e99546835f2..6a9f568cc3f 100644 --- a/drivers/staging/hv/RingBuffer.c +++ b/drivers/staging/hv/RingBuffer.c @@ -25,11 +25,11 @@ #include "include/logging.h" #include "RingBuffer.h" -// -// #defines -// -// Amount of space to write to +/* #defines */ + + +/* Amount of space to write to */ #define BYTES_AVAIL_TO_WRITE(r, w, z) ((w) >= (r))?((z) - ((w) - (r))):((r) - (w)) @@ -48,7 +48,7 @@ GetRingBufferAvailBytes(RING_BUFFER_INFO *rbi, u32 *read, u32 *write) { u32 read_loc,write_loc; - // Capture the read/write indices before they changed + /* Capture the read/write indices before they changed */ read_loc = rbi->RingBuffer->ReadIndex; write_loc = rbi->RingBuffer->WriteIndex; @@ -221,9 +221,9 @@ DumpRingInfo(RING_BUFFER_INFO* RingInfo, char *Prefix) RingInfo->RingBuffer->WriteIndex); } -// -// Internal routines -// + +/* Internal routines */ + static u32 CopyToRingBuffer( RING_BUFFER_INFO *RingInfo, @@ -376,10 +376,10 @@ RingBufferWrite( DPRINT_DBG(VMBUS, "Writing %u bytes...", totalBytesToWrite); - //DumpRingInfo(OutRingInfo, "BEFORE "); + /* DumpRingInfo(OutRingInfo, "BEFORE "); */ - // If there is only room for the packet, assume it is full. Otherwise, the next time around, we think the ring buffer - // is empty since the read index == write index + /* If there is only room for the packet, assume it is full. Otherwise, the next time around, we think the ring buffer */ + /* is empty since the read index == write index */ if (byteAvailToWrite <= totalBytesToWrite) { DPRINT_DBG(VMBUS, "No more space left on outbound ring buffer (needed %u, avail %u)", totalBytesToWrite, byteAvailToWrite); @@ -391,7 +391,7 @@ RingBufferWrite( return -1; } - // Write to the ring buffer + /* Write to the ring buffer */ nextWriteLocation = GetNextWriteLocation(OutRingInfo); for (i=0; i < SgBufferCount; i++) @@ -402,7 +402,7 @@ RingBufferWrite( SgBuffers[i].Length); } - // Set previous packet start + /* Set previous packet start */ prevIndices = GetRingBufferIndices(OutRingInfo); nextWriteLocation = CopyToRingBuffer(OutRingInfo, @@ -410,13 +410,13 @@ RingBufferWrite( &prevIndices, sizeof(u64)); - // Make sure we flush all writes before updating the writeIndex + /* Make sure we flush all writes before updating the writeIndex */ mb(); - // Now, update the write location + /* Now, update the write location */ SetNextWriteLocation(OutRingInfo, nextWriteLocation); - //DumpRingInfo(OutRingInfo, "AFTER "); + /* DumpRingInfo(OutRingInfo, "AFTER "); */ spin_unlock_irqrestore(&OutRingInfo->ring_lock, flags); @@ -451,17 +451,17 @@ RingBufferPeek( GetRingBufferAvailBytes(InRingInfo, &bytesAvailToRead, &bytesAvailToWrite); - // Make sure there is something to read + /* Make sure there is something to read */ if (bytesAvailToRead < BufferLen ) { - //DPRINT_DBG(VMBUS, "got callback but not enough to read <avail to read %d read size %d>!!", bytesAvailToRead, BufferLen); + /* DPRINT_DBG(VMBUS, "got callback but not enough to read <avail to read %d read size %d>!!", bytesAvailToRead, BufferLen); */ spin_unlock_irqrestore(&InRingInfo->ring_lock, flags); return -1; } - // Convert to byte offset + /* Convert to byte offset */ nextReadLocation = GetNextReadLocation(InRingInfo); nextReadLocation = CopyFromRingBuffer(InRingInfo, @@ -506,9 +506,9 @@ RingBufferRead( DPRINT_DBG(VMBUS, "Reading %u bytes...", BufferLen); - //DumpRingInfo(InRingInfo, "BEFORE "); + /* DumpRingInfo(InRingInfo, "BEFORE "); */ - // Make sure there is something to read + /* Make sure there is something to read */ if (bytesAvailToRead < BufferLen ) { DPRINT_DBG(VMBUS, "got callback but not enough to read <avail to read %d read size %d>!!", bytesAvailToRead, BufferLen); @@ -530,14 +530,14 @@ RingBufferRead( sizeof(u64), nextReadLocation); - // Make sure all reads are done before we update the read index since - // the writer may start writing to the read area once the read index is updated + /* Make sure all reads are done before we update the read index since */ + /* the writer may start writing to the read area once the read index is updated */ mb(); - // Update the read index + /* Update the read index */ SetNextReadLocation(InRingInfo, nextReadLocation); - //DumpRingInfo(InRingInfo, "AFTER "); + /* DumpRingInfo(InRingInfo, "AFTER "); */ spin_unlock_irqrestore(&InRingInfo->ring_lock, flags); @@ -566,7 +566,7 @@ CopyToRingBuffer( u32 ringBufferSize=GetRingBufferSize(RingInfo); u32 fragLen; - if (SrcLen > ringBufferSize - StartWriteOffset) // wrap-around detected! + if (SrcLen > ringBufferSize - StartWriteOffset) /* wrap-around detected! */ { DPRINT_DBG(VMBUS, "wrap-around detected!"); @@ -608,7 +608,7 @@ CopyFromRingBuffer( u32 fragLen; - if (DestLen > ringBufferSize - StartReadOffset) // wrap-around detected at the src + if (DestLen > ringBufferSize - StartReadOffset) /* wrap-around detected at the src */ { DPRINT_DBG(VMBUS, "src wrap-around detected!"); @@ -629,4 +629,4 @@ CopyFromRingBuffer( } -// eof +/* eof */ diff --git a/drivers/staging/hv/RingBuffer.h b/drivers/staging/hv/RingBuffer.h index 4217259890b..a0b6e0e9f87 100644 --- a/drivers/staging/hv/RingBuffer.h +++ b/drivers/staging/hv/RingBuffer.h @@ -33,24 +33,24 @@ typedef struct _SG_BUFFER_LIST { } SG_BUFFER_LIST; typedef struct _RING_BUFFER { - volatile u32 WriteIndex; // Offset in bytes from the start of ring data below - volatile u32 ReadIndex; // Offset in bytes from the start of ring data below + volatile u32 WriteIndex; /* Offset in bytes from the start of ring data below */ + volatile u32 ReadIndex; /* Offset in bytes from the start of ring data below */ volatile u32 InterruptMask; - u8 Reserved[4084]; // Pad it to PAGE_SIZE so that data starts on page boundary - // NOTE: The InterruptMask field is used only for channels but since our vmbus connection - // also uses this data structure and its data starts here, we commented out this field. - // volatile u32 InterruptMask; - // Ring data starts here + RingDataStartOffset !!! DO NOT place any fields below this !!! + u8 Reserved[4084]; /* Pad it to PAGE_SIZE so that data starts on page boundary */ + /* NOTE: The InterruptMask field is used only for channels but since our vmbus connection */ + /* also uses this data structure and its data starts here, we commented out this field. */ + /* volatile u32 InterruptMask; */ + /* Ring data starts here + RingDataStartOffset !!! DO NOT place any fields below this !!! */ u8 Buffer[0]; } __attribute__((packed)) RING_BUFFER; typedef struct _RING_BUFFER_INFO { RING_BUFFER* RingBuffer; - u32 RingSize; // Include the shared header + u32 RingSize; /* Include the shared header */ spinlock_t ring_lock; - u32 RingDataSize; // < ringSize + u32 RingDataSize; /* < ringSize */ u32 RingDataStartOffset; } RING_BUFFER_INFO; @@ -65,9 +65,9 @@ typedef struct _RING_BUFFER_DEBUG_INFO { }RING_BUFFER_DEBUG_INFO; -// -// Interface -// + +/* Interface */ + static int RingBufferInit( @@ -120,4 +120,4 @@ RingBufferGetDebugInfo( RING_BUFFER_DEBUG_INFO *DebugInfo ); -#endif // _RING_BUFFER_H_ +#endif /* _RING_BUFFER_H_ */ diff --git a/drivers/staging/hv/RndisFilter.c b/drivers/staging/hv/RndisFilter.c index 714f23e7b0e..d971e866218 100644 --- a/drivers/staging/hv/RndisFilter.c +++ b/drivers/staging/hv/RndisFilter.c @@ -28,12 +28,12 @@ #include "include/NetVscApi.h" #include "RndisFilter.h" -// -// Data types -// + +/* Data types */ + typedef struct _RNDIS_FILTER_DRIVER_OBJECT { - // The original driver + /* The original driver */ NETVSC_DRIVER_OBJECT InnerDriver; } RNDIS_FILTER_DRIVER_OBJECT; @@ -63,14 +63,14 @@ typedef struct _RNDIS_REQUEST { LIST_ENTRY ListEntry; HANDLE WaitEvent; - // FIXME: We assumed a fixed size response here. If we do ever need to handle a bigger response, - // we can either define a max response message or add a response buffer variable above this field + /* FIXME: We assumed a fixed size response here. If we do ever need to handle a bigger response, */ + /* we can either define a max response message or add a response buffer variable above this field */ RNDIS_MESSAGE ResponseMessage; - // Simplify allocation by having a netvsc packet inline + /* Simplify allocation by having a netvsc packet inline */ NETVSC_PACKET Packet; PAGE_BUFFER Buffer; - // FIXME: We assumed a fixed size request here. + /* FIXME: We assumed a fixed size request here. */ RNDIS_MESSAGE RequestMessage; } RNDIS_REQUEST; @@ -82,9 +82,9 @@ typedef struct _RNDIS_FILTER_PACKET { RNDIS_MESSAGE Message; } RNDIS_FILTER_PACKET; -// -// Internal routines -// + +/* Internal routines */ + static int RndisFilterSendRequest( RNDIS_DEVICE *Device, @@ -197,11 +197,11 @@ RndisFilterOnSendRequestCompletion( void *Context ); -// -// Global var -// -// The one and only +/* Global var */ + + +/* The one and only */ RNDIS_FILTER_DRIVER_OBJECT gRndisFilter; static inline RNDIS_DEVICE* GetRndisDevice(void) @@ -252,12 +252,12 @@ static inline RNDIS_REQUEST* GetRndisRequest(RNDIS_DEVICE *Device, u32 MessageTy rndisMessage->NdisMessageType = MessageType; rndisMessage->MessageLength = MessageLength; - // Set the request id. This field is always after the rndis header for request/response packet types so - // we just used the SetRequest as a template + /* Set the request id. This field is always after the rndis header for request/response packet types so */ + /* we just used the SetRequest as a template */ set = &rndisMessage->Message.SetRequest; set->RequestId = InterlockedIncrement((int*)&Device->NewRequestId); - // Add to the request list + /* Add to the request list */ spin_lock_irqsave(&Device->request_lock, flags); INSERT_TAIL_LIST(&Device->RequestList, &request->ListEntry); spin_unlock_irqrestore(&Device->request_lock, flags); @@ -349,7 +349,7 @@ RndisFilterSendRequest( DPRINT_ENTER(NETVSC); - // Setup the packet to send it + /* Setup the packet to send it */ packet = &Request->Packet; packet->IsDataPacket = false; @@ -360,7 +360,7 @@ RndisFilterSendRequest( packet->PageBuffers[0].Length = Request->RequestMessage.MessageLength; packet->PageBuffers[0].Offset = (unsigned long)&Request->RequestMessage & (PAGE_SIZE -1); - packet->Completion.Send.SendCompletionContext = Request;//packet; + packet->Completion.Send.SendCompletionContext = Request;/* packet; */ packet->Completion.Send.OnSendCompletion = RndisFilterOnSendRequestCompletion; packet->Completion.Send.SendCompletionTid = (unsigned long)Device; @@ -389,7 +389,7 @@ RndisFilterReceiveResponse( { request = CONTAINING_RECORD(curr, RNDIS_REQUEST, ListEntry); - // All request/response message contains RequestId as the 1st field + /* All request/response message contains RequestId as the 1st field */ if (request->RequestMessage.Message.InitializeRequest.RequestId == Response->Message.InitializeComplete.RequestId) { DPRINT_DBG(NETVSC, "found rndis request for this response (id 0x%x req type 0x%x res type 0x%x)", @@ -411,7 +411,7 @@ RndisFilterReceiveResponse( { DPRINT_ERR(NETVSC, "rndis response buffer overflow detected (size %u max %u)", Response->MessageLength, sizeof(RNDIS_FILTER_PACKET)); - if (Response->NdisMessageType == REMOTE_NDIS_RESET_CMPLT) // does not have a request id field + if (Response->NdisMessageType == REMOTE_NDIS_RESET_CMPLT) /* does not have a request id field */ { request->ResponseMessage.Message.ResetComplete.Status = STATUS_BUFFER_OVERFLOW; } @@ -450,7 +450,7 @@ RndisFilterReceiveIndicateStatus( } else { - // TODO: + /* TODO: */ } } @@ -466,15 +466,15 @@ RndisFilterReceiveData( DPRINT_ENTER(NETVSC); - // empty ethernet frame ?? + /* empty ethernet frame ?? */ ASSERT(Packet->PageBuffers[0].Length > RNDIS_MESSAGE_SIZE(RNDIS_PACKET)); rndisPacket = &Message->Message.Packet; - // FIXME: Handle multiple rndis pkt msgs that maybe enclosed in this - // netvsc packet (ie TotalDataBufferLength != MessageLength) + /* FIXME: Handle multiple rndis pkt msgs that maybe enclosed in this */ + /* netvsc packet (ie TotalDataBufferLength != MessageLength) */ - // Remove the rndis header and pass it back up the stack + /* Remove the rndis header and pass it back up the stack */ dataOffset = RNDIS_HEADER_SIZE + rndisPacket->DataOffset; Packet->TotalDataBufferLength -= dataOffset; @@ -502,7 +502,7 @@ RndisFilterOnReceive( DPRINT_ENTER(NETVSC); ASSERT(netDevice); - //Make sure the rndis device state is initialized + /* Make sure the rndis device state is initialized */ if (!netDevice->Extension) { DPRINT_ERR(NETVSC, "got rndis message but no rndis device...dropping this message!"); @@ -522,9 +522,9 @@ RndisFilterOnReceive( rndisHeader = (void*)((unsigned long)rndisHeader + Packet->PageBuffers[0].Offset); - // Make sure we got a valid rndis message - // FIXME: There seems to be a bug in set completion msg where its MessageLength is 16 bytes but - // the ByteCount field in the xfer page range shows 52 bytes + /* Make sure we got a valid rndis message */ + /* FIXME: There seems to be a bug in set completion msg where its MessageLength is 16 bytes but */ + /* the ByteCount field in the xfer page range shows 52 bytes */ #if 0 if ( Packet->TotalDataBufferLength != rndisHeader->MessageLength ) { @@ -551,21 +551,21 @@ RndisFilterOnReceive( switch (rndisMessage.NdisMessageType) { - // data msg + /* data msg */ case REMOTE_NDIS_PACKET_MSG: RndisFilterReceiveData(rndisDevice, &rndisMessage, Packet); break; - // completion msgs + /* completion msgs */ case REMOTE_NDIS_INITIALIZE_CMPLT: case REMOTE_NDIS_QUERY_CMPLT: case REMOTE_NDIS_SET_CMPLT: - //case REMOTE_NDIS_RESET_CMPLT: - //case REMOTE_NDIS_KEEPALIVE_CMPLT: + /* case REMOTE_NDIS_RESET_CMPLT: */ + /* case REMOTE_NDIS_KEEPALIVE_CMPLT: */ RndisFilterReceiveResponse(rndisDevice, &rndisMessage); break; - // notification msgs + /* notification msgs */ case REMOTE_NDIS_INDICATE_STATUS_MSG: RndisFilterReceiveIndicateStatus(rndisDevice, &rndisMessage); break; @@ -605,7 +605,7 @@ RndisFilterQueryDevice( goto Cleanup; } - // Setup the rndis query + /* Setup the rndis query */ query = &request->RequestMessage.Message.QueryRequest; query->Oid = Oid; query->InformationBufferOffset = sizeof(RNDIS_QUERY_REQUEST); @@ -620,7 +620,7 @@ RndisFilterQueryDevice( WaitEventWait(request->WaitEvent); - // Copy the response back + /* Copy the response back */ queryComplete = &request->ResponseMessage.Message.QueryComplete; if (queryComplete->InformationBufferLength > inresultSize) @@ -694,7 +694,7 @@ RndisFilterSetPacketFilter( goto Cleanup; } - // Setup the rndis set + /* Setup the rndis set */ set = &request->RequestMessage.Message.SetRequest; set->Oid = RNDIS_OID_GEN_CURRENT_PACKET_FILTER; set->InformationBufferLength = sizeof(u32); @@ -713,7 +713,7 @@ RndisFilterSetPacketFilter( { ret = -1; DPRINT_ERR(NETVSC, "timeout before we got a set response..."); - // We cant deallocate the request since we may still receive a send completion for it. + /* We cant deallocate the request since we may still receive a send completion for it. */ goto Exit; } else @@ -747,9 +747,9 @@ RndisFilterInit( DPRINT_DBG(NETVSC, "sizeof(RNDIS_FILTER_PACKET) == %d", sizeof(RNDIS_FILTER_PACKET)); Driver->RequestExtSize = sizeof(RNDIS_FILTER_PACKET); - Driver->AdditionalRequestPageBufferCount = 1; // For rndis header + Driver->AdditionalRequestPageBufferCount = 1; /* For rndis header */ - //Driver->Context = rndisDriver; + /* Driver->Context = rndisDriver; */ memset(&gRndisFilter, 0, sizeof(RNDIS_FILTER_DRIVER_OBJECT)); @@ -758,7 +758,7 @@ RndisFilterInit( ASSERT(Driver->OnLinkStatusChanged); rndisDriver->OnLinkStatusChanged = Driver->OnLinkStatusChanged;*/ - // Save the original dispatch handlers before we override it + /* Save the original dispatch handlers before we override it */ gRndisFilter.InnerDriver.Base.OnDeviceAdd = Driver->Base.OnDeviceAdd; gRndisFilter.InnerDriver.Base.OnDeviceRemove = Driver->Base.OnDeviceRemove; gRndisFilter.InnerDriver.Base.OnCleanup = Driver->Base.OnCleanup; @@ -769,14 +769,14 @@ RndisFilterInit( gRndisFilter.InnerDriver.OnReceiveCallback = Driver->OnReceiveCallback; gRndisFilter.InnerDriver.OnLinkStatusChanged = Driver->OnLinkStatusChanged; - // Override + /* Override */ Driver->Base.OnDeviceAdd = RndisFilterOnDeviceAdd; Driver->Base.OnDeviceRemove = RndisFilterOnDeviceRemove; Driver->Base.OnCleanup = RndisFilterOnCleanup; Driver->OnSend = RndisFilterOnSend; Driver->OnOpen = RndisFilterOnOpen; Driver->OnClose = RndisFilterOnClose; - //Driver->QueryLinkStatus = RndisFilterQueryDeviceLinkStatus; + /* Driver->QueryLinkStatus = RndisFilterQueryDeviceLinkStatus; */ Driver->OnReceiveCallback = RndisFilterOnReceive; DPRINT_EXIT(NETVSC); @@ -804,11 +804,11 @@ RndisFilterInitDevice( goto Cleanup; } - // Setup the rndis set + /* Setup the rndis set */ init = &request->RequestMessage.Message.InitializeRequest; init->MajorVersion = RNDIS_MAJOR_VERSION; init->MinorVersion = RNDIS_MINOR_VERSION; - init->MaxTransferSize = 2048; // FIXME: Use 1536 - rounded ethernet frame size + init->MaxTransferSize = 2048; /* FIXME: Use 1536 - rounded ethernet frame size */ Device->State = RNDIS_DEV_INITIALIZING; @@ -854,18 +854,18 @@ RndisFilterHaltDevice( DPRINT_ENTER(NETVSC); - // Attempt to do a rndis device halt + /* Attempt to do a rndis device halt */ request = GetRndisRequest(Device, REMOTE_NDIS_HALT_MSG, RNDIS_MESSAGE_SIZE(RNDIS_HALT_REQUEST)); if (!request) { goto Cleanup; } - // Setup the rndis set + /* Setup the rndis set */ halt = &request->RequestMessage.Message.HaltRequest; halt->RequestId = InterlockedIncrement((int*)&Device->NewRequestId); - // Ignore return since this msg is optional. + /* Ignore return since this msg is optional. */ RndisFilterSendRequest(Device, request); Device->State = RNDIS_DEV_UNINITIALIZED; @@ -948,9 +948,9 @@ RndisFilterOnDeviceAdd( DPRINT_DBG(NETVSC, "rndis device object allocated - %p", rndisDevice); - // Let the inner driver handle this first to create the netvsc channel - // NOTE! Once the channel is created, we may get a receive callback - // (RndisFilterOnReceive()) before this call is completed + /* Let the inner driver handle this first to create the netvsc channel */ + /* NOTE! Once the channel is created, we may get a receive callback */ + /* (RndisFilterOnReceive()) before this call is completed */ ret = gRndisFilter.InnerDriver.Base.OnDeviceAdd(Device, AdditionalInfo); if (ret != 0) { @@ -959,9 +959,9 @@ RndisFilterOnDeviceAdd( return ret; } - // - // Initialize the rndis device - // + + /* Initialize the rndis device */ + netDevice = (NETVSC_DEVICE*)Device->Extension; ASSERT(netDevice); ASSERT(netDevice->Device); @@ -969,18 +969,18 @@ RndisFilterOnDeviceAdd( netDevice->Extension = rndisDevice; rndisDevice->NetDevice = netDevice; - // Send the rndis initialization message + /* Send the rndis initialization message */ ret = RndisFilterInitDevice(rndisDevice); if (ret != 0) { - // TODO: If rndis init failed, we will need to shut down the channel + /* TODO: If rndis init failed, we will need to shut down the channel */ } - // Get the mac address + /* Get the mac address */ ret = RndisFilterQueryDeviceMac(rndisDevice); if (ret != 0) { - // TODO: shutdown rndis device and the channel + /* TODO: shutdown rndis device and the channel */ } DPRINT_INFO(NETVSC, "Device 0x%p mac addr %02x%02x%02x%02x%02x%02x", @@ -1015,13 +1015,13 @@ RndisFilterOnDeviceRemove( DPRINT_ENTER(NETVSC); - // Halt and release the rndis device + /* Halt and release the rndis device */ RndisFilterHaltDevice(rndisDevice); PutRndisDevice(rndisDevice); netDevice->Extension = NULL; - // Pass control to inner driver to remove the device + /* Pass control to inner driver to remove the device */ gRndisFilter.InnerDriver.Base.OnDeviceRemove(Device); DPRINT_EXIT(NETVSC); @@ -1091,7 +1091,7 @@ RndisFilterOnSend( DPRINT_ENTER(NETVSC); - // Add the rndis header + /* Add the rndis header */ filterPacket = (RNDIS_FILTER_PACKET*)Packet->Extension; ASSERT(filterPacket); @@ -1112,18 +1112,18 @@ RndisFilterOnSend( Packet->PageBuffers[0].Offset = (unsigned long)rndisMessage & (PAGE_SIZE-1); Packet->PageBuffers[0].Length = rndisMessageSize; - // Save the packet send completion and context + /* Save the packet send completion and context */ filterPacket->OnCompletion = Packet->Completion.Send.OnSendCompletion; filterPacket->CompletionContext = Packet->Completion.Send.SendCompletionContext; - // Use ours + /* Use ours */ Packet->Completion.Send.OnSendCompletion = RndisFilterOnSendCompletion; Packet->Completion.Send.SendCompletionContext = filterPacket; ret = gRndisFilter.InnerDriver.OnSend(Device, Packet); if (ret != 0) { - // Reset the completion to originals to allow retries from above + /* Reset the completion to originals to allow retries from above */ Packet->Completion.Send.OnSendCompletion = filterPacket->OnCompletion; Packet->Completion.Send.SendCompletionContext = filterPacket->CompletionContext; } @@ -1141,7 +1141,7 @@ RndisFilterOnSendCompletion( DPRINT_ENTER(NETVSC); - // Pass it back to the original handler + /* Pass it back to the original handler */ filterPacket->OnCompletion(filterPacket->CompletionContext); DPRINT_EXIT(NETVSC); @@ -1155,6 +1155,6 @@ RndisFilterOnSendRequestCompletion( { DPRINT_ENTER(NETVSC); - // Noop + /* Noop */ DPRINT_EXIT(NETVSC); } diff --git a/drivers/staging/hv/RndisFilter.h b/drivers/staging/hv/RndisFilter.h index 1231d6fd94d..ebacbe01c92 100644 --- a/drivers/staging/hv/RndisFilter.h +++ b/drivers/staging/hv/RndisFilter.h @@ -49,13 +49,13 @@ -// -// Interface -// + +/* Interface */ + int RndisFilterInit( NETVSC_DRIVER_OBJECT *Driver ); -#endif // _RNDISFILTER_H_ +#endif /* _RNDISFILTER_H_ */ diff --git a/drivers/staging/hv/StorVsc.c b/drivers/staging/hv/StorVsc.c index 439c447d224..ee6d88e16d6 100644 --- a/drivers/staging/hv/StorVsc.c +++ b/drivers/staging/hv/StorVsc.c @@ -32,45 +32,48 @@ #include "include/vstorage.h" -// -// #defines -// -// -// Data types -// +/* #defines */ + + + +/* Data types */ + typedef struct _STORVSC_REQUEST_EXTENSION { - //LIST_ENTRY ListEntry; + /* LIST_ENTRY ListEntry; */ STORVSC_REQUEST *Request; DEVICE_OBJECT *Device; - // Synchronize the request/response if needed + /* Synchronize the request/response if needed */ HANDLE WaitEvent; VSTOR_PACKET VStorPacket; } STORVSC_REQUEST_EXTENSION; -// A storvsc device is a device object that contains a vmbus channel +/* A storvsc device is a device object that contains a vmbus channel */ typedef struct _STORVSC_DEVICE{ DEVICE_OBJECT *Device; - int RefCount; // 0 indicates the device is being destroyed + int RefCount; /* 0 indicates the device is being destroyed */ int NumOutstandingRequests; - // Each unique Port/Path/Target represents 1 channel ie scsi controller. In reality, the pathid, targetid is always 0 - // and the port is set by us + /* + * Each unique Port/Path/Target represents 1 channel ie scsi + * controller. In reality, the pathid, targetid is always 0 + * and the port is set by us + */ unsigned int PortNumber; unsigned char PathId; unsigned char TargetId; - //LIST_ENTRY OutstandingRequestList; - //HANDLE OutstandingRequestLock; + /* LIST_ENTRY OutstandingRequestList; */ + /* HANDLE OutstandingRequestLock; */ - // Used for vsc/vsp channel reset process + /* Used for vsc/vsp channel reset process */ STORVSC_REQUEST_EXTENSION InitRequest; STORVSC_REQUEST_EXTENSION ResetRequest; @@ -78,19 +81,19 @@ typedef struct _STORVSC_DEVICE{ } STORVSC_DEVICE; -// -// Globals -// + +/* Globals */ + static const char* gDriverName="storvsc"; -//{ba6163d9-04a1-4d29-b605-72e2ffb1dc7f} +/* {ba6163d9-04a1-4d29-b605-72e2ffb1dc7f} */ static const GUID gStorVscDeviceType={ .Data = {0xd9, 0x63, 0x61, 0xba, 0xa1, 0x04, 0x29, 0x4d, 0xb6, 0x05, 0x72, 0xe2, 0xff, 0xb1, 0xdc, 0x7f} }; -// -// Internal routines -// + +/* Internal routines */ + static int StorVscOnDeviceAdd( DEVICE_OBJECT *Device, @@ -150,8 +153,8 @@ static inline STORVSC_DEVICE* AllocStorDevice(DEVICE_OBJECT *Device) if (!storDevice) return NULL; - // Set to 2 to allow both inbound and outbound traffics - // (ie GetStorDevice() and MustGetStorDevice()) to proceed. + /* Set to 2 to allow both inbound and outbound traffics */ + /* (ie GetStorDevice() and MustGetStorDevice()) to proceed. */ InterlockedCompareExchange(&storDevice->RefCount, 2, 0); storDevice->Device = Device; @@ -166,7 +169,7 @@ static inline void FreeStorDevice(STORVSC_DEVICE *Device) kfree(Device); } -// Get the stordevice object iff exists and its refcount > 1 +/* Get the stordevice object iff exists and its refcount > 1 */ static inline STORVSC_DEVICE* GetStorDevice(DEVICE_OBJECT *Device) { STORVSC_DEVICE *storDevice; @@ -184,7 +187,7 @@ static inline STORVSC_DEVICE* GetStorDevice(DEVICE_OBJECT *Device) return storDevice; } -// Get the stordevice object iff exists and its refcount > 0 +/* Get the stordevice object iff exists and its refcount > 0 */ static inline STORVSC_DEVICE* MustGetStorDevice(DEVICE_OBJECT *Device) { STORVSC_DEVICE *storDevice; @@ -213,7 +216,7 @@ static inline void PutStorDevice(DEVICE_OBJECT *Device) ASSERT(storDevice->RefCount); } -// Drop ref count to 1 to effectively disable GetStorDevice() +/* Drop ref count to 1 to effectively disable GetStorDevice() */ static inline STORVSC_DEVICE* ReleaseStorDevice(DEVICE_OBJECT *Device) { STORVSC_DEVICE *storDevice; @@ -221,7 +224,7 @@ static inline STORVSC_DEVICE* ReleaseStorDevice(DEVICE_OBJECT *Device) storDevice = (STORVSC_DEVICE*)Device->Extension; ASSERT(storDevice); - // Busy wait until the ref drop to 2, then set it to 1 + /* Busy wait until the ref drop to 2, then set it to 1 */ while (InterlockedCompareExchange(&storDevice->RefCount, 1, 2) != 2) { udelay(100); @@ -230,7 +233,7 @@ static inline STORVSC_DEVICE* ReleaseStorDevice(DEVICE_OBJECT *Device) return storDevice; } -// Drop ref count to 0. No one can use StorDevice object. +/* Drop ref count to 0. No one can use StorDevice object. */ static inline STORVSC_DEVICE* FinalReleaseStorDevice(DEVICE_OBJECT *Device) { STORVSC_DEVICE *storDevice; @@ -238,7 +241,7 @@ static inline STORVSC_DEVICE* FinalReleaseStorDevice(DEVICE_OBJECT *Device) storDevice = (STORVSC_DEVICE*)Device->Extension; ASSERT(storDevice); - // Busy wait until the ref drop to 1, then set it to 0 + /* Busy wait until the ref drop to 1, then set it to 0 */ while (InterlockedCompareExchange(&storDevice->RefCount, 0, 1) != 1) { udelay(100); @@ -271,7 +274,7 @@ StorVscInitialize( DPRINT_DBG(STORVSC, "sizeof(STORVSC_REQUEST)=%d sizeof(STORVSC_REQUEST_EXTENSION)=%d sizeof(VSTOR_PACKET)=%d, sizeof(VMSCSI_REQUEST)=%d", sizeof(STORVSC_REQUEST), sizeof(STORVSC_REQUEST_EXTENSION), sizeof(VSTOR_PACKET), sizeof(VMSCSI_REQUEST)); - // Make sure we are at least 2 pages since 1 page is used for control + /* Make sure we are at least 2 pages since 1 page is used for control */ ASSERT(storDriver->RingBufferSize >= (PAGE_SIZE << 1)); Driver->name = gDriverName; @@ -279,14 +282,18 @@ StorVscInitialize( storDriver->RequestExtSize = sizeof(STORVSC_REQUEST_EXTENSION); - // Divide the ring buffer data size (which is 1 page less than the ring buffer size since that page is reserved for the ring buffer indices) - // by the max request size (which is VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER + VSTOR_PACKET + u64) + /* + * Divide the ring buffer data size (which is 1 page less + * than the ring buffer size since that page is reserved for + * the ring buffer indices) by the max request size (which is + * VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER + VSTOR_PACKET + u64) + */ storDriver->MaxOutstandingRequestsPerChannel = ((storDriver->RingBufferSize - PAGE_SIZE) / ALIGN_UP(MAX_MULTIPAGE_BUFFER_PACKET + sizeof(VSTOR_PACKET) + sizeof(u64),sizeof(u64))); DPRINT_INFO(STORVSC, "max io %u, currently %u\n", storDriver->MaxOutstandingRequestsPerChannel, STORVSC_MAX_IO_REQUESTS); - // Setup the dispatch table + /* Setup the dispatch table */ storDriver->Base.OnDeviceAdd = StorVscOnDeviceAdd; storDriver->Base.OnDeviceRemove = StorVscOnDeviceRemove; storDriver->Base.OnCleanup = StorVscOnCleanup; @@ -316,7 +323,7 @@ StorVscOnDeviceAdd( { int ret=0; STORVSC_DEVICE *storDevice; - //VMSTORAGE_CHANNEL_PROPERTIES *props; + /* VMSTORAGE_CHANNEL_PROPERTIES *props; */ STORVSC_DEVICE_INFO *deviceInfo = (STORVSC_DEVICE_INFO*)AdditionalInfo; DPRINT_ENTER(STORVSC); @@ -328,21 +335,25 @@ StorVscOnDeviceAdd( goto Cleanup; } - // Save the channel properties to our storvsc channel - //props = (VMSTORAGE_CHANNEL_PROPERTIES*) channel->offerMsg.Offer.u.Standard.UserDefined; + /* Save the channel properties to our storvsc channel */ + /* props = (VMSTORAGE_CHANNEL_PROPERTIES*) channel->offerMsg.Offer.u.Standard.UserDefined; */ + + /* FIXME: */ + /* + * If we support more than 1 scsi channel, we need to set the + * port number here to the scsi channel but how do we get the + * scsi channel prior to the bus scan + */ - // FIXME: - // If we support more than 1 scsi channel, we need to set the port number here - // to the scsi channel but how do we get the scsi channel prior to the bus scan - /*storChannel->PortNumber = 0; + /* storChannel->PortNumber = 0; storChannel->PathId = props->PathId; - storChannel->TargetId = props->TargetId;*/ + storChannel->TargetId = props->TargetId; */ storDevice->PortNumber = deviceInfo->PortNumber; - // Send it back up + /* Send it back up */ ret = StorVscConnectToVsp(Device); - //deviceInfo->PortNumber = storDevice->PortNumber; + /* deviceInfo->PortNumber = storDevice->PortNumber; */ deviceInfo->PathId = storDevice->PathId; deviceInfo->TargetId = storDevice->TargetId; @@ -372,7 +383,7 @@ static int StorVscChannelInit(DEVICE_OBJECT *Device) request = &storDevice->InitRequest; vstorPacket = &request->VStorPacket; - // Now, initiate the vsc/vsp initialization protocol on the open channel + /* Now, initiate the vsc/vsp initialization protocol on the open channel */ memset(request, sizeof(STORVSC_REQUEST_EXTENSION), 0); request->WaitEvent = WaitEventCreate(); @@ -408,7 +419,7 @@ static int StorVscChannelInit(DEVICE_OBJECT *Device) DPRINT_INFO(STORVSC, "QUERY_PROTOCOL_VERSION_OPERATION..."); - // reuse the packet for version range supported + /* reuse the packet for version range supported */ memset(vstorPacket, sizeof(VSTOR_PACKET), 0); vstorPacket->Operation = VStorOperationQueryProtocolVersion; vstorPacket->Flags = REQUEST_COMPLETION_FLAG; @@ -430,14 +441,14 @@ static int StorVscChannelInit(DEVICE_OBJECT *Device) WaitEventWait(request->WaitEvent); - // TODO: Check returned version + /* TODO: Check returned version */ if (vstorPacket->Operation != VStorOperationCompleteIo || vstorPacket->Status != 0) { DPRINT_ERR(STORVSC, "QUERY_PROTOCOL_VERSION_OPERATION failed (op %d status 0x%lx)", vstorPacket->Operation, vstorPacket->Status); goto Cleanup; } - // Query channel properties + /* Query channel properties */ DPRINT_INFO(STORVSC, "QUERY_PROPERTIES_OPERATION..."); memset(vstorPacket, sizeof(VSTOR_PACKET), 0); @@ -460,14 +471,14 @@ static int StorVscChannelInit(DEVICE_OBJECT *Device) WaitEventWait(request->WaitEvent); - // TODO: Check returned version + /* TODO: Check returned version */ if (vstorPacket->Operation != VStorOperationCompleteIo || vstorPacket->Status != 0) { DPRINT_ERR(STORVSC, "QUERY_PROPERTIES_OPERATION failed (op %d status 0x%lx)", vstorPacket->Operation, vstorPacket->Status); goto Cleanup; } - //storDevice->PortNumber = vstorPacket->StorageChannelProperties.PortNumber; + /* storDevice->PortNumber = vstorPacket->StorageChannelProperties.PortNumber; */ storDevice->PathId = vstorPacket->StorageChannelProperties.PathId; storDevice->TargetId = vstorPacket->StorageChannelProperties.TargetId; @@ -528,7 +539,7 @@ StorVscConnectToVsp( memset(&props, sizeof(VMSTORAGE_CHANNEL_PROPERTIES), 0); - // Open the channel + /* Open the channel */ ret = Device->Driver->VmbusChannelInterface.Open(Device, storDriver->RingBufferSize, storDriver->RingBufferSize, @@ -575,8 +586,11 @@ StorVscOnDeviceRemove( storDevice = ReleaseStorDevice(Device); - // At this point, all outbound traffic should be disable. We only allow inbound traffic (responses) to proceed - // so that outstanding requests can be completed. + /* + * At this point, all outbound traffic should be disable. We + * only allow inbound traffic (responses) to proceed so that + * outstanding requests can be completed. + */ while (storDevice->NumOutstandingRequests) { DPRINT_INFO(STORVSC, "waiting for %d requests to complete...", storDevice->NumOutstandingRequests); @@ -590,7 +604,7 @@ StorVscOnDeviceRemove( DPRINT_INFO(STORVSC, "storage device (%p) safe to remove", storDevice); - // Close the channel + /* Close the channel */ Device->Driver->VmbusChannelInterface.Close(Device); FreeStorDevice(storDevice); @@ -599,22 +613,23 @@ StorVscOnDeviceRemove( return ret; } +/* *************** +static void +StorVscOnTargetRescan( +void *Context +) +{ +DEVICE_OBJECT *device=(DEVICE_OBJECT*)Context; +STORVSC_DRIVER_OBJECT *storDriver; -//static void -//StorVscOnTargetRescan( -// void *Context -// ) -//{ -// DEVICE_OBJECT *device=(DEVICE_OBJECT*)Context; -// STORVSC_DRIVER_OBJECT *storDriver; -// -// DPRINT_ENTER(STORVSC); -// -// storDriver = (STORVSC_DRIVER_OBJECT*) device->Driver; -// storDriver->OnHostRescan(device); -// -// DPRINT_EXIT(STORVSC); -//} +DPRINT_ENTER(STORVSC); + +storDriver = (STORVSC_DRIVER_OBJECT*) device->Driver; +storDriver->OnHostRescan(device); + +DPRINT_EXIT(STORVSC); +} +*********** */ int StorVscOnHostReset( @@ -660,13 +675,16 @@ StorVscOnHostReset( goto Cleanup; } - // FIXME: Add a timeout + /* FIXME: Add a timeout */ WaitEventWait(request->WaitEvent); WaitEventClose(request->WaitEvent); DPRINT_INFO(STORVSC, "host adapter reset completed"); - // At this point, all outstanding requests in the adapter should have been flushed out and return to us + /* + * At this point, all outstanding requests in the adapter + * should have been flushed out and return to us + */ Cleanup: PutStorDevice(Device); @@ -729,7 +747,7 @@ StorVscOnIORequest( vstorPacket->VmSrb.SenseInfoLength = SENSE_BUFFER_SIZE; - // Copy over the scsi command descriptor block + /* Copy over the scsi command descriptor block */ vstorPacket->VmSrb.CdbLength = Request->CdbLen; memcpy(&vstorPacket->VmSrb.Cdb, Request->Cdb, Request->CdbLen); @@ -827,7 +845,7 @@ StorVscOnIOCompletion( ASSERT(request->OnIOCompletion != NULL); - // Copy over the status...etc + /* Copy over the status...etc */ request->Status = VStorPacket->VmSrb.ScsiStatus; if (request->Status != 0 || VStorPacket->VmSrb.SrbStatus != 1) @@ -838,9 +856,9 @@ StorVscOnIOCompletion( VStorPacket->VmSrb.SrbStatus); } - if ((request->Status & 0xFF) == 0x02) // CHECK_CONDITION + if ((request->Status & 0xFF) == 0x02) /* CHECK_CONDITION */ { - if (VStorPacket->VmSrb.SrbStatus & 0x80) // autosense data available + if (VStorPacket->VmSrb.SrbStatus & 0x80) /* autosense data available */ { DPRINT_WARN(STORVSC, "storvsc pkt %p autosense data valid - len %d\n", RequestExt, VStorPacket->VmSrb.SenseInfoLength); @@ -854,7 +872,7 @@ StorVscOnIOCompletion( } } - // TODO: + /* TODO: */ request->BytesXfer = VStorPacket->VmSrb.DataTransferLength; request->OnIOCompletion(request); @@ -882,17 +900,17 @@ StorVscOnReceive( StorVscOnIOCompletion(Device, VStorPacket, RequestExt); break; - //case ENUMERATE_DEVICE_OPERATION: + /* case ENUMERATE_DEVICE_OPERATION: */ - // DPRINT_INFO(STORVSC, "ENUMERATE_DEVICE_OPERATION"); + /* DPRINT_INFO(STORVSC, "ENUMERATE_DEVICE_OPERATION"); */ - // StorVscOnTargetRescan(Device); - // break; + /* StorVscOnTargetRescan(Device); */ + /* break; */ - case VStorOperationRemoveDevice: + case VStorOperationRemoveDevice: DPRINT_INFO(STORVSC, "REMOVE_DEVICE_OPERATION"); - // TODO: + /* TODO: */ break; default: @@ -937,15 +955,15 @@ StorVscOnChannelCallback( { DPRINT_DBG(STORVSC, "receive %d bytes - tid %llx", bytesRecvd, requestId); - //ASSERT(bytesRecvd == sizeof(VSTOR_PACKET)); + /* ASSERT(bytesRecvd == sizeof(VSTOR_PACKET)); */ request = (STORVSC_REQUEST_EXTENSION*)(unsigned long)requestId; ASSERT(request); - //if (vstorPacket.Flags & SYNTHETIC_FLAG) + /* if (vstorPacket.Flags & SYNTHETIC_FLAG) */ if ((request == &storDevice->InitRequest) || (request == &storDevice->ResetRequest)) { - //DPRINT_INFO(STORVSC, "reset completion - operation %u status %u", vstorPacket.Operation, vstorPacket.Status); + /* DPRINT_INFO(STORVSC, "reset completion - operation %u status %u", vstorPacket.Operation, vstorPacket.Status); */ memcpy(&request->VStorPacket, packet, sizeof(VSTOR_PACKET)); @@ -958,7 +976,7 @@ StorVscOnChannelCallback( } else { - //DPRINT_DBG(STORVSC, "nothing else to read..."); + /* DPRINT_DBG(STORVSC, "nothing else to read..."); */ break; } } while (1); diff --git a/drivers/staging/hv/Vmbus.c b/drivers/staging/hv/Vmbus.c index a202a2d4e0e..81b86c27066 100644 --- a/drivers/staging/hv/Vmbus.c +++ b/drivers/staging/hv/Vmbus.c @@ -27,29 +27,31 @@ #include "VersionInfo.h" #include "VmbusPrivate.h" -// -// Globals -// + +/* Globals */ + static const char* gDriverName="vmbus"; -// Windows vmbus does not defined this. We defined this to be consistent with other devices -//{c5295816-f63a-4d5f-8d1a-4daf999ca185} +/* Windows vmbus does not defined this. + * We defined this to be consistent with other devices + */ +/* {c5295816-f63a-4d5f-8d1a-4daf999ca185} */ static const GUID gVmbusDeviceType={ .Data = {0x16, 0x58, 0x29, 0xc5, 0x3a, 0xf6, 0x5f, 0x4d, 0x8d, 0x1a, 0x4d, 0xaf, 0x99, 0x9c, 0xa1, 0x85} }; -//{ac3760fc-9adf-40aa-9427-a70ed6de95c5} +/* {ac3760fc-9adf-40aa-9427-a70ed6de95c5} */ static const GUID gVmbusDeviceId={ .Data = {0xfc, 0x60, 0x37, 0xac, 0xdf, 0x9a, 0xaa, 0x40, 0x94, 0x27, 0xa7, 0x0e, 0xd6, 0xde, 0x95, 0xc5} }; -static DRIVER_OBJECT* gDriver; // vmbus driver object -static DEVICE_OBJECT* gDevice; // vmbus root device +static DRIVER_OBJECT* gDriver; /* vmbus driver object */ +static DEVICE_OBJECT* gDevice; /* vmbus root device */ + + +/* Internal routines */ -// -// Internal routines -// static void VmbusGetChannelInterface( @@ -129,7 +131,7 @@ VmbusInitialize( drv->name = gDriverName; memcpy(&drv->deviceType, &gVmbusDeviceType, sizeof(GUID)); - // Setup dispatch table + /* Setup dispatch table */ driver->Base.OnDeviceAdd = VmbusOnDeviceAdd; driver->Base.OnDeviceRemove = VmbusOnDeviceRemove; driver->Base.OnCleanup = VmbusOnCleanup; @@ -140,7 +142,7 @@ VmbusInitialize( driver->GetChannelInterface = VmbusGetChannelInterface; driver->GetChannelInfo = VmbusGetChannelInfo; - // Hypervisor initialization...setup hypercall page..etc + /* Hypervisor initialization...setup hypercall page..etc */ ret = HvInit(); if (ret != 0) { @@ -283,15 +285,18 @@ Description: Release the child device from the vmbus --*/ -//void -//VmbusChildDeviceDestroy( -// DEVICE_OBJECT* ChildDevice -// ) -//{ -// VMBUS_DRIVER_OBJECT* vmbusDriver = (VMBUS_DRIVER_OBJECT*)gDriver; -// -// vmbusDriver->OnChildDeviceDestroy(ChildDevice); -//} + +/* ************** +void +VmbusChildDeviceDestroy( +DEVICE_OBJECT* ChildDevice +) +{ +VMBUS_DRIVER_OBJECT* vmbusDriver = (VMBUS_DRIVER_OBJECT*)gDriver; + +vmbusDriver->OnChildDeviceDestroy(ChildDevice); +} +************* */ /*++ @@ -318,14 +323,14 @@ VmbusOnDeviceAdd( memcpy(&gDevice->deviceType, &gVmbusDeviceType, sizeof(GUID)); memcpy(&gDevice->deviceInstance, &gVmbusDeviceId, sizeof(GUID)); - //strcpy(dev->name, "vmbus"); - // SynIC setup... + /* strcpy(dev->name, "vmbus"); */ + /* SynIC setup... */ ret = HvSynicInit(*irqvector); - // Connect to VMBus in the root partition + /* Connect to VMBus in the root partition */ ret = VmbusConnect(); - //VmbusSendEvent(device->localPortId+1); + /* VmbusSendEvent(device->localPortId+1); */ DPRINT_EXIT(VMBUS); return ret; @@ -375,7 +380,7 @@ VmbusOnCleanup( DRIVER_OBJECT* drv ) { - //VMBUS_DRIVER_OBJECT* driver = (VMBUS_DRIVER_OBJECT*)drv; + /* VMBUS_DRIVER_OBJECT* driver = (VMBUS_DRIVER_OBJECT*)drv; */ DPRINT_ENTER(VMBUS); @@ -405,7 +410,7 @@ VmbusOnMsgDPC( HV_MESSAGE *copied; while (1) { - if (msg->Header.MessageType == HvMessageTypeNone) // no msg + if (msg->Header.MessageType == HvMessageTypeNone) /* no msg */ { break; } @@ -423,14 +428,22 @@ VmbusOnMsgDPC( msg->Header.MessageType = HvMessageTypeNone; - // Make sure the write to MessageType (ie set to HvMessageTypeNone) happens - // before we read the MessagePending and EOMing. Otherwise, the EOMing will not deliver - // any more messages since there is no empty slot + /* + * Make sure the write to MessageType (ie set to + * HvMessageTypeNone) happens before we read the + * MessagePending and EOMing. Otherwise, the EOMing + * will not deliver any more messages since there is + * no empty slot + */ mb(); if (msg->Header.MessageFlags.MessagePending) { - // This will cause message queue rescan to possibly deliver another msg from the hypervisor + /* + * This will cause message queue rescan to + * possibly deliver another msg from the + * hypervisor + */ WriteMsr(HV_X64_MSR_EOM, 0); } } @@ -450,7 +463,7 @@ VmbusOnEventDPC( DRIVER_OBJECT* drv ) { - // TODO: Process any events + /* TODO: Process any events */ VmbusOnEvents(); } @@ -469,33 +482,33 @@ VmbusOnISR( DRIVER_OBJECT* drv ) { - //VMBUS_DRIVER_OBJECT* driver = (VMBUS_DRIVER_OBJECT*)drv; + /* VMBUS_DRIVER_OBJECT* driver = (VMBUS_DRIVER_OBJECT*)drv; */ int ret=0; - //struct page* page; + /* struct page* page; */ void *page_addr; HV_MESSAGE* msg; HV_SYNIC_EVENT_FLAGS* event; - //page = SynICMessagePage[0]; - //page_addr = page_address(page); + /* page = SynICMessagePage[0]; */ + /* page_addr = page_address(page); */ page_addr = gHvContext.synICMessagePage[0]; msg = (HV_MESSAGE*)page_addr + VMBUS_MESSAGE_SINT; DPRINT_ENTER(VMBUS); - // Check if there are actual msgs to be process + /* Check if there are actual msgs to be process */ if (msg->Header.MessageType != HvMessageTypeNone) { DPRINT_DBG(VMBUS, "received msg type %d size %d", msg->Header.MessageType, msg->Header.PayloadSize); ret |= 0x1; } - // TODO: Check if there are events to be process + /* TODO: Check if there are events to be process */ page_addr = gHvContext.synICEventPage[0]; event = (HV_SYNIC_EVENT_FLAGS*)page_addr + VMBUS_MESSAGE_SINT; - // Since we are a child, we only need to check bit 0 + /* Since we are a child, we only need to check bit 0 */ if (BitTestAndClear(&event->Flags32[0], 0)) { DPRINT_DBG(VMBUS, "received event %d", event->Flags32[0]); @@ -506,4 +519,4 @@ VmbusOnISR( return ret; } -// eof +/* eof */ diff --git a/drivers/staging/hv/VmbusPrivate.h b/drivers/staging/hv/VmbusPrivate.h index 686d05f21ed..ad17088f601 100644 --- a/drivers/staging/hv/VmbusPrivate.h +++ b/drivers/staging/hv/VmbusPrivate.h @@ -30,26 +30,29 @@ #include "Channel.h" #include "ChannelMgmt.h" #include "ChannelInterface.h" -//#include "ChannelMessages.h" +/* #include "ChannelMessages.h" */ #include "RingBuffer.h" -//#include "Packet.h" +/* #include "Packet.h" */ #include "include/List.h" -// -// Defines -// -// Maximum channels is determined by the size of the interrupt page which is PAGE_SIZE. 1/2 of PAGE_SIZE is for -// send endpoint interrupt and the other is receive endpoint interrupt -#define MAX_NUM_CHANNELS (PAGE_SIZE >> 1) << 3 // 16348 channels +/* Defines */ -// The value here must be in multiple of 32 -// TODO: Need to make this configurable + +/* + * Maximum channels is determined by the size of the interrupt page + * which is PAGE_SIZE. 1/2 of PAGE_SIZE is for send endpoint interrupt + * and the other is receive endpoint interrupt + */ +#define MAX_NUM_CHANNELS (PAGE_SIZE >> 1) << 3 /* 16348 channels */ + +/* The value here must be in multiple of 32 */ +/* TODO: Need to make this configurable */ #define MAX_NUM_CHANNELS_SUPPORTED 256 -// -// Data types -// + +/* Data types */ + typedef enum { Disconnected, @@ -66,23 +69,27 @@ typedef struct _VMBUS_CONNECTION { u32 NextGpadlHandle; - // Represents channel interrupts. Each bit position - // represents a channel. - // When a channel sends an interrupt via VMBUS, it - // finds its bit in the sendInterruptPage, set it and - // calls Hv to generate a port event. The other end - // receives the port event and parse the recvInterruptPage - // to see which bit is set + /* + * Represents channel interrupts. Each bit position represents + * a channel. When a channel sends an interrupt via VMBUS, it + * finds its bit in the sendInterruptPage, set it and calls Hv + * to generate a port event. The other end receives the port + * event and parse the recvInterruptPage to see which bit is + * set + */ void * InterruptPage; void * SendInterruptPage; void * RecvInterruptPage; - // 2 pages - 1st page for parent->child notification and 2nd is child->parent notification + /* + * 2 pages - 1st page for parent->child notification and 2nd + * is child->parent notification + */ void * MonitorPages; LIST_ENTRY ChannelMsgList; spinlock_t channelmsg_lock; - // List of channels + /* List of channels */ LIST_ENTRY ChannelList; spinlock_t channel_lock; @@ -91,25 +98,25 @@ typedef struct _VMBUS_CONNECTION { typedef struct _VMBUS_MSGINFO { - // Bookkeeping stuff + /* Bookkeeping stuff */ LIST_ENTRY MsgListEntry; - // Synchronize the request/response if needed + /* Synchronize the request/response if needed */ HANDLE WaitEvent; - // The message itself + /* The message itself */ unsigned char Msg[0]; } VMBUS_MSGINFO; -// -// Externs -// + +/* Externs */ + extern VMBUS_CONNECTION gVmbusConnection; -// -// General vmbus interface -// + +/* General vmbus interface */ + static DEVICE_OBJECT* VmbusChildDeviceCreate( GUID deviceType, @@ -124,18 +131,18 @@ static void VmbusChildDeviceRemove( DEVICE_OBJECT* Device); -//static void -//VmbusChildDeviceDestroy( -// DEVICE_OBJECT*); +/* static void */ +/* VmbusChildDeviceDestroy( */ +/* DEVICE_OBJECT*); */ static VMBUS_CHANNEL* GetChannelFromRelId( u32 relId ); -// -// Connection interface -// + +/* Connection interface */ + static int VmbusConnect( void @@ -163,4 +170,4 @@ VmbusOnEvents( ); -#endif // _VMBUS_PRIVATE_H_ +#endif /* _VMBUS_PRIVATE_H_ */ diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c index d90265370ab..9c4bfb6dea9 100644 --- a/drivers/staging/hv/blkvsc_drv.c +++ b/drivers/staging/hv/blkvsc_drv.c @@ -38,38 +38,41 @@ #include "include/StorVscApi.h" -// -// #defines -// + +/* #defines */ + #define BLKVSC_MINORS 64 -// -// Data types -// + +/* Data types */ + enum blkvsc_device_type { UNKNOWN_DEV_TYPE, HARDDISK_TYPE, DVD_TYPE, }; -// This request ties the struct request and struct blkvsc_request/STORVSC_REQUEST together -// A struct request may be represented by 1 or more struct blkvsc_request +/* + * This request ties the struct request and struct + * blkvsc_request/STORVSC_REQUEST together A struct request may be + * represented by 1 or more struct blkvsc_request + */ struct blkvsc_request_group { int outstanding; int status; - struct list_head blkvsc_req_list; // list of blkvsc_requests + struct list_head blkvsc_req_list; /* list of blkvsc_requests */ }; struct blkvsc_request { - struct list_head req_entry; // blkvsc_request_group.blkvsc_req_list + struct list_head req_entry; /* blkvsc_request_group.blkvsc_req_list */ - struct list_head pend_entry; // block_device_context.pending_list + struct list_head pend_entry; /* block_device_context.pending_list */ - struct request *req; // This may be null if we generate a request internally + struct request *req; /* This may be null if we generate a request internally */ struct block_device_context *dev; - struct blkvsc_request_group *group; // The group this request is part of. Maybe null + struct blkvsc_request_group *group; /* The group this request is part of. Maybe null */ wait_queue_head_t wevent; int cond; @@ -83,13 +86,13 @@ struct blkvsc_request { unsigned char cmnd[MAX_COMMAND_SIZE]; STORVSC_REQUEST request; - // !!!DO NOT ADD ANYTHING BELOW HERE!!! Otherwise, memory can overlap, because - - // The extension buffer falls right here and is pointed to by request.Extension; + /* !!!DO NOT ADD ANYTHING BELOW HERE!!! Otherwise, memory can overlap, because - */ + /* The extension buffer falls right here and is pointed to by request.Extension; */ }; -// Per device structure +/* Per device structure */ struct block_device_context { - struct device_context *device_ctx; // point back to our device context + struct device_context *device_ctx; /* point back to our device context */ struct kmem_cache *request_pool; spinlock_t lock; struct gendisk *gd; @@ -109,14 +112,14 @@ struct block_device_context { int users; }; -// Per driver +/* Per driver */ struct blkvsc_driver_context { - // !! These must be the first 2 fields !! + /* !! These must be the first 2 fields !! */ struct driver_context drv_ctx; STORVSC_DRIVER_OBJECT drv_obj; }; -// Static decl +/* Static decl */ static int blkvsc_probe(struct device *dev); static int blkvsc_remove(struct device *device); static void blkvsc_shutdown(struct device *device); @@ -144,7 +147,7 @@ static int blkvsc_do_pending_reqs(struct block_device_context *blkdev); static int blkvsc_ringbuffer_size = BLKVSC_RING_BUFFER_SIZE; -// The one and only one +/* The one and only one */ static struct blkvsc_driver_context g_blkvsc_drv; @@ -178,7 +181,7 @@ int blkvsc_drv_init(PFN_DRIVERINITIALIZE pfn_drv_init) storvsc_drv_obj->RingBufferSize = blkvsc_ringbuffer_size; - // Callback to client driver to complete the initialization + /* Callback to client driver to complete the initialization */ pfn_drv_init(&storvsc_drv_obj->Base); drv_ctx->driver.name = storvsc_drv_obj->Base.name; @@ -188,7 +191,7 @@ int blkvsc_drv_init(PFN_DRIVERINITIALIZE pfn_drv_init) drv_ctx->remove = blkvsc_remove; drv_ctx->shutdown = blkvsc_shutdown; - // The driver belongs to vmbus + /* The driver belongs to vmbus */ vmbus_child_driver_register(drv_ctx); DPRINT_EXIT(BLKVSC_DRV); @@ -201,7 +204,7 @@ static int blkvsc_drv_exit_cb(struct device *dev, void *data) { struct device **curr = (struct device **)data; *curr = dev; - return 1; // stop iterating + return 1; /* stop iterating */ } /*++ @@ -224,13 +227,13 @@ void blkvsc_drv_exit(void) { current_dev = NULL; - // Get the device + /* Get the device */ driver_for_each_device(&drv_ctx->driver, NULL, (void*)¤t_dev, blkvsc_drv_exit_cb); if (current_dev == NULL) break; - // Initiate removal from the top-down + /* Initiate removal from the top-down */ device_unregister(current_dev); } @@ -291,14 +294,14 @@ static int blkvsc_probe(struct device *device) INIT_LIST_HEAD(&blkdev->pending_list); - // Initialize what we can here + /* Initialize what we can here */ spin_lock_init(&blkdev->lock); ASSERT(sizeof(struct blkvsc_request_group) <= sizeof(struct blkvsc_request)); - blkdev->request_pool = kmem_cache_create(dev_name(&device_ctx->device), - sizeof(struct blkvsc_request) + storvsc_drv_obj->RequestExtSize, 0, - SLAB_HWCACHE_ALIGN, NULL); + blkdev->request_pool = kmem_cache_create(dev_name(&device_ctx->device), + sizeof(struct blkvsc_request) + storvsc_drv_obj->RequestExtSize, 0, + SLAB_HWCACHE_ALIGN, NULL); if (!blkdev->request_pool) { ret = -ENOMEM; @@ -306,7 +309,7 @@ static int blkvsc_probe(struct device *device) } - // Call to the vsc driver to add the device + /* Call to the vsc driver to add the device */ ret = storvsc_drv_obj->Base.OnDeviceAdd(device_obj, &device_info); if (ret != 0) { @@ -315,16 +318,16 @@ static int blkvsc_probe(struct device *device) } blkdev->device_ctx = device_ctx; - blkdev->target = device_info.TargetId; // this identified the device 0 or 1 - blkdev->path = device_info.PathId; // this identified the ide ctrl 0 or 1 + blkdev->target = device_info.TargetId; /* this identified the device 0 or 1 */ + blkdev->path = device_info.PathId; /* this identified the ide ctrl 0 or 1 */ dev_set_drvdata(device, blkdev); - // Calculate the major and device num + /* Calculate the major and device num */ if (blkdev->path == 0) { major = IDE0_MAJOR; - devnum = blkdev->path + blkdev->target; // 0 or 1 + devnum = blkdev->path + blkdev->target; /* 0 or 1 */ if (!ide0_registered) { @@ -341,7 +344,7 @@ static int blkvsc_probe(struct device *device) else if (blkdev->path == 1) { major = IDE1_MAJOR; - devnum = blkdev->path + blkdev->target + 1; // 2 or 3 + devnum = blkdev->path + blkdev->target + 1; /* 2 or 3 */ if (!ide1_registered) { @@ -405,7 +408,7 @@ static int blkvsc_probe(struct device *device) set_capacity(blkdev->gd, blkdev->capacity * (blkdev->sector_size/512)); blk_queue_logical_block_size(blkdev->gd->queue, blkdev->sector_size); - // go! + /* go! */ add_disk(blkdev->gd); DPRINT_INFO(BLKVSC_DRV, "%s added!! capacity %llu sector_size %d", blkdev->gd->disk_name, blkdev->capacity, blkdev->sector_size); @@ -494,7 +497,7 @@ static int blkvsc_do_flush(struct block_device_context *blkdev) blkvsc_req->cmnd[0] = SYNCHRONIZE_CACHE; blkvsc_req->cmd_len = 10; - // Set this here since the completion routine may be invoked and completed before we return + /* Set this here since the completion routine may be invoked and completed before we return */ blkvsc_req->cond =0; blkvsc_submit_request(blkvsc_req, blkvsc_cmd_completion); @@ -505,7 +508,7 @@ static int blkvsc_do_flush(struct block_device_context *blkdev) return 0; } -// Do a scsi INQUIRY cmd here to get the device type (ie disk or dvd) +/* Do a scsi INQUIRY cmd here to get the device type (ie disk or dvd) */ static int blkvsc_do_inquiry(struct block_device_context *blkdev) { struct blkvsc_request *blkvsc_req=NULL; @@ -539,12 +542,12 @@ static int blkvsc_do_inquiry(struct block_device_context *blkdev) blkvsc_req->request.DataBuffer.Length = 64; blkvsc_req->cmnd[0] = INQUIRY; - blkvsc_req->cmnd[1] = 0x1; // Get product data - blkvsc_req->cmnd[2] = 0x83; // mode page 83 + blkvsc_req->cmnd[1] = 0x1; /* Get product data */ + blkvsc_req->cmnd[2] = 0x83; /* mode page 83 */ blkvsc_req->cmnd[4] = 64; blkvsc_req->cmd_len = 6; - // Set this here since the completion routine may be invoked and completed before we return + /* Set this here since the completion routine may be invoked and completed before we return */ blkvsc_req->cond =0; blkvsc_submit_request(blkvsc_req, blkvsc_cmd_completion); @@ -556,7 +559,7 @@ static int blkvsc_do_inquiry(struct block_device_context *blkdev) buf = kmap(page_buf); /* print_hex_dump_bytes("", DUMP_PREFIX_NONE, buf, 64); */ - // be to le + /* be to le */ device_type = buf[0] & 0x1F; if (device_type == 0x0) @@ -569,7 +572,7 @@ static int blkvsc_do_inquiry(struct block_device_context *blkdev) } else { - // TODO: this is currently unsupported device type + /* TODO: this is currently unsupported device type */ blkdev->device_type = UNKNOWN_DEV_TYPE; } @@ -581,7 +584,7 @@ static int blkvsc_do_inquiry(struct block_device_context *blkdev) memcpy(blkdev->device_id, &buf[8], blkdev->device_id_len); /* printk_hex_dump_bytes("", DUMP_PREFIX_NONE, blkdev->device_id, - * blkdev->device_id_len); */ + * blkdev->device_id_len); */ kunmap(page_buf); @@ -592,7 +595,7 @@ static int blkvsc_do_inquiry(struct block_device_context *blkdev) return 0; } -// Do a scsi READ_CAPACITY cmd here to get the size of the disk +/* Do a scsi READ_CAPACITY cmd here to get the size of the disk */ static int blkvsc_do_read_capacity(struct block_device_context *blkdev) { struct blkvsc_request *blkvsc_req=NULL; @@ -604,7 +607,7 @@ static int blkvsc_do_read_capacity(struct block_device_context *blkdev) blkdev->sector_size = 0; blkdev->capacity = 0; - blkdev->media_not_present = 0; // assume a disk is present + blkdev->media_not_present = 0; /* assume a disk is present */ blkvsc_req = kmem_cache_alloc(blkdev->request_pool, GFP_KERNEL); if (!blkvsc_req) @@ -632,7 +635,10 @@ static int blkvsc_do_read_capacity(struct block_device_context *blkdev) blkvsc_req->cmnd[0] = READ_CAPACITY; blkvsc_req->cmd_len = 16; - // Set this here since the completion routine may be invoked and completed before we return + /* + * Set this here since the completion routine may be invoked + * and completed before we return + */ blkvsc_req->cond =0; blkvsc_submit_request(blkvsc_req, blkvsc_cmd_completion); @@ -641,12 +647,12 @@ static int blkvsc_do_read_capacity(struct block_device_context *blkdev) wait_event_interruptible(blkvsc_req->wevent, blkvsc_req->cond); - // check error + /* check error */ if (blkvsc_req->request.Status) { scsi_normalize_sense(blkvsc_req->sense_buffer, SCSI_SENSE_BUFFERSIZE, &sense_hdr); - if (sense_hdr.asc == 0x3A) // Medium not present + if (sense_hdr.asc == 0x3A) /* Medium not present */ { blkdev->media_not_present = 1; } @@ -655,7 +661,7 @@ static int blkvsc_do_read_capacity(struct block_device_context *blkdev) } buf = kmap(page_buf); - // be to le + /* be to le */ blkdev->capacity = ((buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]) + 1; blkdev->sector_size = (buf[4] << 24) | (buf[5] << 16) | (buf[6] << 8) | buf[7]; @@ -680,7 +686,7 @@ static int blkvsc_do_read_capacity16(struct block_device_context *blkdev) blkdev->sector_size = 0; blkdev->capacity = 0; - blkdev->media_not_present = 0; // assume a disk is present + blkdev->media_not_present = 0; /* assume a disk is present */ blkvsc_req = kmem_cache_alloc(blkdev->request_pool, GFP_KERNEL); if (!blkvsc_req) @@ -705,10 +711,13 @@ static int blkvsc_do_read_capacity16(struct block_device_context *blkdev) blkvsc_req->request.DataBuffer.Offset = 0; blkvsc_req->request.DataBuffer.Length = 12; - blkvsc_req->cmnd[0] = 0x9E; //READ_CAPACITY16; + blkvsc_req->cmnd[0] = 0x9E; /* READ_CAPACITY16; */ blkvsc_req->cmd_len = 16; - // Set this here since the completion routine may be invoked and completed before we return + /* + * Set this here since the completion routine may be invoked + * and completed before we return + */ blkvsc_req->cond =0; blkvsc_submit_request(blkvsc_req, blkvsc_cmd_completion); @@ -717,12 +726,12 @@ static int blkvsc_do_read_capacity16(struct block_device_context *blkdev) wait_event_interruptible(blkvsc_req->wevent, blkvsc_req->cond); - // check error + /* check error */ if (blkvsc_req->request.Status) { scsi_normalize_sense(blkvsc_req->sense_buffer, SCSI_SENSE_BUFFERSIZE, &sense_hdr); - if (sense_hdr.asc == 0x3A) // Medium not present + if (sense_hdr.asc == 0x3A) /* Medium not present */ { blkdev->media_not_present = 1; } @@ -731,12 +740,12 @@ static int blkvsc_do_read_capacity16(struct block_device_context *blkdev) } buf = kmap(page_buf); - // be to le + /* be to le */ blkdev->capacity = be64_to_cpu(*(unsigned long long*) &buf[0]) + 1; blkdev->sector_size = be32_to_cpu(*(unsigned int*)&buf[8]); - //blkdev->capacity = ((buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]) + 1; - //blkdev->sector_size = (buf[4] << 24) | (buf[5] << 16) | (buf[6] << 8) | buf[7]; + /* blkdev->capacity = ((buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]) + 1; */ + /* blkdev->sector_size = (buf[4] << 24) | (buf[5] << 16) | (buf[6] << 8) | buf[7]; */ kunmap(page_buf); @@ -777,15 +786,15 @@ static int blkvsc_remove(struct device *device) return -1; } - // Call to the vsc driver to let it know that the device is being removed + /* Call to the vsc driver to let it know that the device is being removed */ ret = storvsc_drv_obj->Base.OnDeviceRemove(device_obj); if (ret != 0) { - // TODO: + /* TODO: */ DPRINT_ERR(BLKVSC_DRV, "unable to remove blkvsc device (ret %d)", ret); } - // Get to a known state + /* Get to a known state */ spin_lock_irqsave(&blkdev->lock, flags); blkdev->shutting_down = 1; @@ -922,7 +931,7 @@ static int blkvsc_submit_request(struct blkvsc_request *blkvsc_req, void (*reque storvsc_req->Host = blkdev->port; storvsc_req->Bus = blkdev->path; storvsc_req->TargetId = blkdev->target; - storvsc_req->LunId = 0; // this is not really used at all + storvsc_req->LunId = 0; /* this is not really used at all */ storvsc_req->CdbLen = blkvsc_req->cmd_len; storvsc_req->Cdb = blkvsc_req->cmnd; @@ -939,11 +948,13 @@ static int blkvsc_submit_request(struct blkvsc_request *blkvsc_req, void (*reque return ret; } -// -// We break the request into 1 or more blkvsc_requests and submit them. -// If we cant submit them all, we put them on the pending_list. The -// blkvsc_request() will work on the pending_list. -// + +/* + * We break the request into 1 or more blkvsc_requests and submit + * them. If we cant submit them all, we put them on the + * pending_list. The blkvsc_request() will work on the pending_list. + */ + static int blkvsc_do_request(struct block_device_context *blkdev, struct request *req) { struct bio *bio=NULL; @@ -963,7 +974,7 @@ static int blkvsc_do_request(struct block_device_context *blkdev, struct request DPRINT_DBG(BLKVSC_DRV, "blkdev %p req %p sect %llu \n", blkdev, req, blk_rq_pos(req)); - // Create a group to tie req to list of blkvsc_reqs + /* Create a group to tie req to list of blkvsc_reqs */ group = (struct blkvsc_request_group*)kmem_cache_alloc(blkdev->request_pool, GFP_ATOMIC); if (!group) { @@ -975,23 +986,23 @@ static int blkvsc_do_request(struct block_device_context *blkdev, struct request start_sector = blk_rq_pos(req); - // foreach bio in the request + /* foreach bio in the request */ if (req->bio) for (bio = req->bio; bio; bio = bio->bi_next) { - // Map this bio into an existing or new storvsc request + /* Map this bio into an existing or new storvsc request */ bio_for_each_segment (bvec, bio, seg_idx) { DPRINT_DBG(BLKVSC_DRV, "bio_for_each_segment() - req %p bio %p bvec %p seg_idx %d databuf_idx %d\n", req, bio, bvec, seg_idx, databuf_idx); - // Get a new storvsc request - if ( (!blkvsc_req) || // 1st-time + /* Get a new storvsc request */ + if ( (!blkvsc_req) || /* 1st-time */ (databuf_idx >= MAX_MULTIPAGE_BUFFER_COUNT) || - (bvec->bv_offset != 0) || // hole at the begin of page - (prev_bvec && (prev_bvec->bv_len != PAGE_SIZE)) ) // hold at the end of page + (bvec->bv_offset != 0) || /* hole at the begin of page */ + (prev_bvec && (prev_bvec->bv_len != PAGE_SIZE)) ) /* hold at the end of page */ { - // submit the prev one + /* submit the prev one */ if (blkvsc_req) { blkvsc_req->sector_start = start_sector; @@ -1002,11 +1013,11 @@ static int blkvsc_do_request(struct block_device_context *blkdev, struct request blkvsc_init_rw(blkvsc_req); } - // Create new blkvsc_req to represent the current bvec + /* Create new blkvsc_req to represent the current bvec */ blkvsc_req = kmem_cache_alloc(blkdev->request_pool, GFP_ATOMIC); if (!blkvsc_req) { - // free up everything + /* free up everything */ list_for_each_entry_safe(blkvsc_req, tmp, &group->blkvsc_req_list, req_entry) { list_del(&blkvsc_req->req_entry); @@ -1024,7 +1035,7 @@ static int blkvsc_do_request(struct block_device_context *blkdev, struct request blkvsc_req->request.DataBuffer.Offset = bvec->bv_offset; blkvsc_req->request.DataBuffer.Length = 0; - // Add to the group + /* Add to the group */ blkvsc_req->group = group; blkvsc_req->group->outstanding++; list_add_tail(&blkvsc_req->req_entry, &blkvsc_req->group->blkvsc_req_list); @@ -1034,7 +1045,7 @@ static int blkvsc_do_request(struct block_device_context *blkdev, struct request databuf_idx = 0; } - // Add the curr bvec/segment to the curr blkvsc_req + /* Add the curr bvec/segment to the curr blkvsc_req */ blkvsc_req->request.DataBuffer.PfnArray[databuf_idx] = page_to_pfn(bvec->bv_page); blkvsc_req->request.DataBuffer.Length += bvec->bv_len; @@ -1043,11 +1054,11 @@ static int blkvsc_do_request(struct block_device_context *blkdev, struct request databuf_idx++; num_sectors += bvec->bv_len >> 9; - } // bio_for_each_segment + } /* bio_for_each_segment */ - } // rq_for_each_bio + } /* rq_for_each_bio */ - // Handle the last one + /* Handle the last one */ if (blkvsc_req) { DPRINT_DBG(BLKVSC_DRV, "blkdev %p req %p group %p count %d\n", blkdev, req, blkvsc_req->group, blkvsc_req->group->outstanding); @@ -1134,8 +1145,11 @@ static void blkvsc_request_completion(STORVSC_REQUEST* request) blkdev->num_outstanding_reqs--; blkvsc_req->group->outstanding--; - // Only start processing when all the blkvsc_reqs are completed. This guarantees no out-of-order - // blkvsc_req completion when calling end_that_request_first() + /* + * Only start processing when all the blkvsc_reqs are + * completed. This guarantees no out-of-order blkvsc_req + * completion when calling end_that_request_first() + */ if (blkvsc_req->group->outstanding == 0) { list_for_each_entry_safe(comp_req, tmp, &blkvsc_req->group->blkvsc_req_list, req_entry) @@ -1152,7 +1166,7 @@ static void blkvsc_request_completion(STORVSC_REQUEST* request) (!comp_req->request.Status ? 0: -EIO), comp_req->sector_count * blkdev->sector_size)) { - //All the sectors have been xferred ie the request is done + /* All the sectors have been xferred ie the request is done */ DPRINT_DBG(BLKVSC_DRV, "req %p COMPLETED\n", comp_req->req); kmem_cache_free(blkdev->request_pool, comp_req->group); } @@ -1180,11 +1194,14 @@ static int blkvsc_cancel_pending_reqs(struct block_device_context *blkdev) DPRINT_DBG(BLKVSC_DRV, "blkvsc_cancel_pending_reqs()"); - // Flush the pending list first + /* Flush the pending list first */ list_for_each_entry_safe(pend_req, tmp, &blkdev->pending_list, pend_entry) { - // The pend_req could be part of a partially completed request. If so, complete those req first - // until we hit the pend_req + /* + * The pend_req could be part of a partially completed + * request. If so, complete those req first until we + * hit the pend_req + */ list_for_each_entry_safe(comp_req, tmp2, &pend_req->group->blkvsc_req_list, req_entry) { DPRINT_DBG(BLKVSC_DRV, "completing blkvsc_req %p sect_start %llu sect_count %ld \n", @@ -1222,7 +1239,7 @@ static int blkvsc_cancel_pending_reqs(struct block_device_context *blkdev) -EIO, pend_req->sector_count * blkdev->sector_size)) { - //All the sectors have been xferred ie the request is done + /* All the sectors have been xferred ie the request is done */ DPRINT_DBG(BLKVSC_DRV, "blkvsc_cancel_pending_reqs() - req %p COMPLETED\n", pend_req->req); kmem_cache_free(blkdev->request_pool, pend_req->group); } @@ -1239,7 +1256,7 @@ static int blkvsc_do_pending_reqs(struct block_device_context *blkdev) struct blkvsc_request *pend_req, *tmp; int ret=0; - // Flush the pending list first + /* Flush the pending list first */ list_for_each_entry_safe(pend_req, tmp, &blkdev->pending_list, pend_entry) { DPRINT_DBG(BLKVSC_DRV, "working off pending_list - %p\n", pend_req); @@ -1378,51 +1395,51 @@ int blkvsc_getgeo(struct block_device *bd, struct hd_geometry *hg) int rem=0; if (total_sectors > (65535 * 16 * 255)) { - total_sectors = (65535 * 16 * 255); + total_sectors = (65535 * 16 * 255); } if (total_sectors >= (65535 * 16 * 63)) { - sectors_per_track = 255; - heads = 16; + sectors_per_track = 255; + heads = 16; cylinder_times_heads = total_sectors; - rem = sector_div(cylinder_times_heads, sectors_per_track); // sector_div stores the quotient in cylinder_times_heads + rem = sector_div(cylinder_times_heads, sectors_per_track); /* sector_div stores the quotient in cylinder_times_heads */ } else { - sectors_per_track = 17; + sectors_per_track = 17; cylinder_times_heads = total_sectors; - rem = sector_div(cylinder_times_heads, sectors_per_track); // sector_div stores the quotient in cylinder_times_heads + rem = sector_div(cylinder_times_heads, sectors_per_track); /* sector_div stores the quotient in cylinder_times_heads */ temp = cylinder_times_heads + 1023; - rem = sector_div(temp, 1024); // sector_div stores the quotient in temp + rem = sector_div(temp, 1024); /* sector_div stores the quotient in temp */ heads = temp; - if (heads < 4) { - heads = 4; - } + if (heads < 4) { + heads = 4; + } - if (cylinder_times_heads >= (heads * 1024) || (heads > 16)) { - sectors_per_track = 31; - heads = 16; + if (cylinder_times_heads >= (heads * 1024) || (heads > 16)) { + sectors_per_track = 31; + heads = 16; cylinder_times_heads = total_sectors; - rem = sector_div(cylinder_times_heads, sectors_per_track); // sector_div stores the quotient in cylinder_times_heads - } + rem = sector_div(cylinder_times_heads, sectors_per_track); /* sector_div stores the quotient in cylinder_times_heads */ + } - if (cylinder_times_heads >= (heads * 1024)) { - sectors_per_track = 63; - heads = 16; + if (cylinder_times_heads >= (heads * 1024)) { + sectors_per_track = 63; + heads = 16; cylinder_times_heads = total_sectors; - rem = sector_div(cylinder_times_heads, sectors_per_track); // sector_div stores the quotient in cylinder_times_heads - } + rem = sector_div(cylinder_times_heads, sectors_per_track); /* sector_div stores the quotient in cylinder_times_heads */ + } } temp = cylinder_times_heads; - rem = sector_div(temp, heads); // sector_div stores the quotient in temp + rem = sector_div(temp, heads); /* sector_div stores the quotient in temp */ cylinders = temp; hg->heads = heads; @@ -1442,8 +1459,8 @@ static int blkvsc_ioctl(struct inode *inode, struct file *filep, unsigned cmd, u switch (cmd) { - // TODO: I think there is certain format for HDIO_GET_IDENTITY rather than just - // a GUID. Commented it out for now. + /* TODO: I think there is certain format for HDIO_GET_IDENTITY rather than just */ + /* a GUID. Commented it out for now. */ /*case HDIO_GET_IDENTITY: DPRINT_INFO(BLKVSC_DRV, "HDIO_GET_IDENTITY\n"); @@ -1468,7 +1485,7 @@ static int __init blkvsc_init(void) { int ret; - ASSERT(sizeof(sector_t) == 8); // Make sure CONFIG_LBD is set + ASSERT(sizeof(sector_t) == 8); /* Make sure CONFIG_LBD is set */ DPRINT_ENTER(BLKVSC_DRV); @@ -1495,4 +1512,4 @@ module_param(blkvsc_ringbuffer_size, int, S_IRUGO); module_init(blkvsc_init); module_exit(blkvsc_exit); -// eof +/* eof */ diff --git a/drivers/staging/hv/include/ChannelMessages.h b/drivers/staging/hv/include/ChannelMessages.h index 6a6342ab4d7..097e1c11e91 100644 --- a/drivers/staging/hv/include/ChannelMessages.h +++ b/drivers/staging/hv/include/ChannelMessages.h @@ -31,9 +31,9 @@ typedef u32 NTSTATUS; #pragma pack(push,1) -// -// Version 1 messages -// + +/* Version 1 messages */ + typedef enum _VMBUS_CHANNEL_MESSAGE_TYPE { @@ -61,9 +61,9 @@ typedef enum _VMBUS_CHANNEL_MESSAGE_TYPE ChannelMessageCount } VMBUS_CHANNEL_MESSAGE_TYPE, *PVMBUS_CHANNEL_MESSAGE_TYPE; -// begin_wpp config -// CUSTOM_TYPE(ChannelMessageType, ItemEnum(_VMBUS_CHANNEL_MESSAGE_TYPE)); -// end_wpp +/* begin_wpp config */ +/* CUSTOM_TYPE(ChannelMessageType, ItemEnum(_VMBUS_CHANNEL_MESSAGE_TYPE)); */ +/* end_wpp */ typedef struct _VMBUS_CHANNEL_MESSAGE_HEADER { @@ -71,21 +71,21 @@ typedef struct _VMBUS_CHANNEL_MESSAGE_HEADER u32 Padding; } VMBUS_CHANNEL_MESSAGE_HEADER, *PVMBUS_CHANNEL_MESSAGE_HEADER; -// Query VMBus Version parameters +/* Query VMBus Version parameters */ typedef struct _VMBUS_CHANNEL_QUERY_VMBUS_VERSION { VMBUS_CHANNEL_MESSAGE_HEADER Header; u32 Version; } VMBUS_CHANNEL_QUERY_VMBUS_VERSION, *PVMBUS_CHANNEL_QUERY_VMBUS_VERSION; -// VMBus Version Supported parameters +/* VMBus Version Supported parameters */ typedef struct _VMBUS_CHANNEL_VERSION_SUPPORTED { VMBUS_CHANNEL_MESSAGE_HEADER Header; bool VersionSupported; } VMBUS_CHANNEL_VERSION_SUPPORTED, *PVMBUS_CHANNEL_VERSION_SUPPORTED; -// Offer Channel parameters +/* Offer Channel parameters */ typedef struct _VMBUS_CHANNEL_OFFER_CHANNEL { VMBUS_CHANNEL_MESSAGE_HEADER Header; @@ -95,67 +95,69 @@ typedef struct _VMBUS_CHANNEL_OFFER_CHANNEL bool MonitorAllocated; } VMBUS_CHANNEL_OFFER_CHANNEL, *PVMBUS_CHANNEL_OFFER_CHANNEL; -// -// Make sure VMBUS_CHANNEL_OFFER_CHANNEL fits into Synic message. -// + +/* Make sure VMBUS_CHANNEL_OFFER_CHANNEL fits into Synic message. */ + C_ASSERT(sizeof(VMBUS_CHANNEL_OFFER_CHANNEL) <= MAXIMUM_SYNIC_MESSAGE_BYTES); -// Rescind Offer parameters +/* Rescind Offer parameters */ typedef struct _VMBUS_CHANNEL_RESCIND_OFFER { VMBUS_CHANNEL_MESSAGE_HEADER Header; u32 ChildRelId; } VMBUS_CHANNEL_RESCIND_OFFER, *PVMBUS_CHANNEL_RESCIND_OFFER; -// Request Offer -- no parameters, SynIC message contains the partition ID -// Set Snoop -- no parameters, SynIC message contains the partition ID -// Clear Snoop -- no parameters, SynIC message contains the partition ID -// All Offers Delivered -- no parameters, SynIC message contains the partition ID -// Flush Client -- no parameters, SynIC message contains the partition ID +/* Request Offer -- no parameters, SynIC message contains the partition ID */ +/* Set Snoop -- no parameters, SynIC message contains the partition ID */ +/* Clear Snoop -- no parameters, SynIC message contains the partition ID */ +/* All Offers Delivered -- no parameters, SynIC message contains the partition ID */ +/* Flush Client -- no parameters, SynIC message contains the partition ID */ -// Open Channel parameters +/* Open Channel parameters */ typedef struct _VMBUS_CHANNEL_OPEN_CHANNEL { VMBUS_CHANNEL_MESSAGE_HEADER Header; - // - // Identifies the specific VMBus channel that is being opened. - // + + /* Identifies the specific VMBus channel that is being opened. */ + u32 ChildRelId; - // - // ID making a particular open request at a channel offer unique. - // + + /* ID making a particular open request at a channel offer unique. */ + u32 OpenId; - // - // GPADL for the channel's ring buffer. - // + + /* GPADL for the channel's ring buffer. */ + GPADL_HANDLE RingBufferGpadlHandle; - // - // GPADL for the channel's server context save area. - // + + /* GPADL for the channel's server context save area. */ + GPADL_HANDLE ServerContextAreaGpadlHandle; - // - // The upstream ring buffer begins at offset zero in the memory described - // by RingBufferGpadlHandle. The downstream ring buffer follows it at this - // offset (in pages). - // + + /* + * The upstream ring buffer begins at offset zero in the memory + * described by RingBufferGpadlHandle. The downstream ring buffer + * follows it at this offset (in pages). + */ + u32 DownstreamRingBufferPageOffset; - // - // User-specific data to be passed along to the server endpoint. - // + + /* User-specific data to be passed along to the server endpoint. */ + unsigned char UserData[MAX_USER_DEFINED_BYTES]; } VMBUS_CHANNEL_OPEN_CHANNEL, *PVMBUS_CHANNEL_OPEN_CHANNEL; -// Reopen Channel parameters; +/* Reopen Channel parameters; */ typedef VMBUS_CHANNEL_OPEN_CHANNEL VMBUS_CHANNEL_REOPEN_CHANNEL, *PVMBUS_CHANNEL_REOPEN_CHANNEL; -// Open Channel Result parameters +/* Open Channel Result parameters */ typedef struct _VMBUS_CHANNEL_OPEN_RESULT { VMBUS_CHANNEL_MESSAGE_HEADER Header; @@ -164,24 +166,26 @@ typedef struct _VMBUS_CHANNEL_OPEN_RESULT NTSTATUS Status; } VMBUS_CHANNEL_OPEN_RESULT, *PVMBUS_CHANNEL_OPEN_RESULT; -// Close channel parameters; +/* Close channel parameters; */ typedef struct _VMBUS_CHANNEL_CLOSE_CHANNEL { VMBUS_CHANNEL_MESSAGE_HEADER Header; u32 ChildRelId; } VMBUS_CHANNEL_CLOSE_CHANNEL, *PVMBUS_CHANNEL_CLOSE_CHANNEL; -// Channel Message GPADL +/* Channel Message GPADL */ #define GPADL_TYPE_RING_BUFFER 1 #define GPADL_TYPE_SERVER_SAVE_AREA 2 #define GPADL_TYPE_TRANSACTION 8 -// -// The number of PFNs in a GPADL message is defined by the number of pages -// that would be spanned by ByteCount and ByteOffset. If the implied number -// of PFNs won't fit in this packet, there will be a follow-up packet that -// contains more. -// + +/* + * The number of PFNs in a GPADL message is defined by the number of + * pages that would be spanned by ByteCount and ByteOffset. If the + * implied number of PFNs won't fit in this packet, there will be a + * follow-up packet that contains more. + */ + typedef struct _VMBUS_CHANNEL_GPADL_HEADER { @@ -194,9 +198,9 @@ typedef struct _VMBUS_CHANNEL_GPADL_HEADER } VMBUS_CHANNEL_GPADL_HEADER, *PVMBUS_CHANNEL_GPADL_HEADER; -// -// This is the followup packet that contains more PFNs. -// + +/* This is the followup packet that contains more PFNs. */ + typedef struct _VMBUS_CHANNEL_GPADL_BODY { @@ -269,10 +273,10 @@ typedef struct _VMBUS_CHANNEL_VERSION_RESPONSE typedef VMBUS_CHANNEL_MESSAGE_HEADER VMBUS_CHANNEL_UNLOAD, *PVMBUS_CHANNEL_UNLOAD; -// -// Kind of a table to use the preprocessor to get us the right type for a -// specified message ID. Used with ChAllocateSendMessage() -// + +/* Kind of a table to use the preprocessor to get us the right type for a */ +/* specified message ID. Used with ChAllocateSendMessage() */ + #define ChannelMessageQueryVmbusVersion_TYPE VMBUS_CHANNEL_MESSAGE_HEADER #define ChannelMessageVmbusVersionSupported_TYPE VMBUS_CHANNEL_VERSION_SUPPORTED #define ChannelMessageOfferChannel_TYPE VMBUS_CHANNEL_OFFER_CHANNEL @@ -295,18 +299,17 @@ typedef VMBUS_CHANNEL_MESSAGE_HEADER VMBUS_CHANNEL_UNLOAD, *PVMBUS_CHANNEL_UNLOA #define ChannelMessageVersionResponse_TYPE VMBUS_CHANNEL_VERSION_RESPONSE #define ChannelMessageUnload_TYPE VMBUS_CHANNEL_UNLOAD -// -// Preprocessor wrapper to ChAllocateSendMessageSize() converting the return -// value to the correct pointer and calculate the needed size. -// -// Argument: -// -// Id - the numberic ID (type VMBUS_CHANNEL_MESSAGE_TYPE) of the message to -// send. -// + +/* Preprocessor wrapper to ChAllocateSendMessageSize() converting the return */ +/* value to the correct pointer and calculate the needed size. */ + +/* Argument: */ + +/* Id - the numberic ID (type VMBUS_CHANNEL_MESSAGE_TYPE) of the message to */ +/* send. */ + #define ChAllocateSendMessage(Id, Fn, Context) \ (Id##_TYPE*)ChAllocateSendMessageSized(sizeof(Id##_TYPE), Id, Fn, Context) #pragma pack(pop) - diff --git a/drivers/staging/hv/include/HvHalApi.h b/drivers/staging/hv/include/HvHalApi.h index ad7ba4dafef..cda369e8398 100644 --- a/drivers/staging/hv/include/HvHalApi.h +++ b/drivers/staging/hv/include/HvHalApi.h @@ -25,8 +25,8 @@ #pragma once -// -// Time in the hypervisor is measured in 100 nanosecond units -// + +/* Time in the hypervisor is measured in 100 nanosecond units */ + typedef u64 HV_NANO100_TIME, *PHV_NANO100_TIME; typedef u64 HV_NANO100_DURATION, *PHV_NANO100_DURATION; diff --git a/drivers/staging/hv/include/HvHcApi.h b/drivers/staging/hv/include/HvHcApi.h index d304305fddf..034bab79c0a 100644 --- a/drivers/staging/hv/include/HvHcApi.h +++ b/drivers/staging/hv/include/HvHcApi.h @@ -24,9 +24,9 @@ #pragma once -// -// Declare the various hypercall operations. -// + +/* Declare the various hypercall operations. */ + typedef enum _HV_CALL_CODE { @@ -34,9 +34,9 @@ typedef enum _HV_CALL_CODE HvCallSignalEvent = 0x005d, } HV_CALL_CODE, *PHV_CALL_CODE; -// -// Definition of the HvPostMessage hypercall input structure. -// + +/* Definition of the HvPostMessage hypercall input structure. */ + typedef struct _HV_INPUT_POST_MESSAGE { @@ -48,9 +48,9 @@ typedef struct _HV_INPUT_POST_MESSAGE } HV_INPUT_POST_MESSAGE, *PHV_INPUT_POST_MESSAGE; -// -// Definition of the HvSignalEvent hypercall input structure. -// + +/* Definition of the HvSignalEvent hypercall input structure. */ + typedef struct _HV_INPUT_SIGNAL_EVENT { diff --git a/drivers/staging/hv/include/HvPtApi.h b/drivers/staging/hv/include/HvPtApi.h index b79e543a0c6..c32dbf660ae 100644 --- a/drivers/staging/hv/include/HvPtApi.h +++ b/drivers/staging/hv/include/HvPtApi.h @@ -24,15 +24,15 @@ #pragma once -// -// Versioning definitions used for guests reporting themselves to the -// hypervisor, and visa versa. -// ================================================================== -// - -// -// Version info reported by guest OS's -// + +/* Versioning definitions used for guests reporting themselves to the */ +/* hypervisor, and visa versa. */ +/* ================================================================== */ + + + +/* Version info reported by guest OS's */ + typedef enum _HV_GUEST_OS_VENDOR { HvGuestOsVendorMicrosoft = 0x0001 @@ -50,9 +50,9 @@ typedef enum _HV_GUEST_OS_MICROSOFT_IDS } HV_GUEST_OS_MICROSOFT_IDS, *PHV_GUEST_OS_MICROSOFT_IDS; -// -// Declare the MSR used to identify the guest OS. -// + +/* Declare the MSR used to identify the guest OS. */ + #define HV_X64_MSR_GUEST_OS_ID 0x40000000 typedef union _HV_X64_MSR_GUEST_OS_ID_CONTENTS @@ -61,17 +61,17 @@ typedef union _HV_X64_MSR_GUEST_OS_ID_CONTENTS struct { u64 BuildNumber : 16; - u64 ServiceVersion : 8; // Service Pack, etc. + u64 ServiceVersion : 8; /* Service Pack, etc. */ u64 MinorVersion : 8; u64 MajorVersion : 8; - u64 OsId : 8; // HV_GUEST_OS_MICROSOFT_IDS (If Vendor=MS) - u64 VendorId : 16; // HV_GUEST_OS_VENDOR + u64 OsId : 8; /* HV_GUEST_OS_MICROSOFT_IDS (If Vendor=MS) */ + u64 VendorId : 16; /* HV_GUEST_OS_VENDOR */ }; } HV_X64_MSR_GUEST_OS_ID_CONTENTS, *PHV_X64_MSR_GUEST_OS_ID_CONTENTS; -// -// Declare the MSR used to setup pages used to communicate with the hypervisor. -// + +/* Declare the MSR used to setup pages used to communicate with the hypervisor. */ + #define HV_X64_MSR_HYPERCALL 0x40000001 typedef union _HV_X64_MSR_HYPERCALL_CONTENTS diff --git a/drivers/staging/hv/include/HvStatus.h b/drivers/staging/hv/include/HvStatus.h index 3db3dbda135..c747e7e7159 100644 --- a/drivers/staging/hv/include/HvStatus.h +++ b/drivers/staging/hv/include/HvStatus.h @@ -22,697 +22,697 @@ */ -// begin_hvgdk -// -// Status codes for hypervisor operations. -// +/* begin_hvgdk */ + +/* Status codes for hypervisor operations. */ + typedef u16 HV_STATUS, *PHV_STATUS; -// -// MessageId: HV_STATUS_SUCCESS -// -// MessageText: -// -// The specified hypercall succeeded -// + +/* MessageId: HV_STATUS_SUCCESS */ + +/* MessageText: */ + +/* The specified hypercall succeeded */ + #define HV_STATUS_SUCCESS ((HV_STATUS)0x0000) -// -// MessageId: HV_STATUS_INVALID_HYPERCALL_CODE -// -// MessageText: -// -// The hypervisor does not support the operation because the specified hypercall code is not supported. -// + +/* MessageId: HV_STATUS_INVALID_HYPERCALL_CODE */ + +/* MessageText: */ + +/* The hypervisor does not support the operation because the specified hypercall code is not supported. */ + #define HV_STATUS_INVALID_HYPERCALL_CODE ((HV_STATUS)0x0002) -// -// MessageId: HV_STATUS_INVALID_HYPERCALL_INPUT -// -// MessageText: -// -// The hypervisor does not support the operation because the encoding for the hypercall input register is not supported. -// + +/* MessageId: HV_STATUS_INVALID_HYPERCALL_INPUT */ + +/* MessageText: */ + +/* The hypervisor does not support the operation because the encoding for the hypercall input register is not supported. */ + #define HV_STATUS_INVALID_HYPERCALL_INPUT ((HV_STATUS)0x0003) -// -// MessageId: HV_STATUS_INVALID_ALIGNMENT -// -// MessageText: -// -// The hypervisor could not perform the operation beacuse a parameter has an invalid alignment. -// + +/* MessageId: HV_STATUS_INVALID_ALIGNMENT */ + +/* MessageText: */ + +/* The hypervisor could not perform the operation beacuse a parameter has an invalid alignment. */ + #define HV_STATUS_INVALID_ALIGNMENT ((HV_STATUS)0x0004) -// -// MessageId: HV_STATUS_INVALID_PARAMETER -// -// MessageText: -// -// The hypervisor could not perform the operation beacuse an invalid parameter was specified. -// + +/* MessageId: HV_STATUS_INVALID_PARAMETER */ + +/* MessageText: */ + +/* The hypervisor could not perform the operation beacuse an invalid parameter was specified. */ + #define HV_STATUS_INVALID_PARAMETER ((HV_STATUS)0x0005) -// -// MessageId: HV_STATUS_ACCESS_DENIED -// -// MessageText: -// -// Access to the specified object was denied. -// + +/* MessageId: HV_STATUS_ACCESS_DENIED */ + +/* MessageText: */ + +/* Access to the specified object was denied. */ + #define HV_STATUS_ACCESS_DENIED ((HV_STATUS)0x0006) -// -// MessageId: HV_STATUS_INVALID_PARTITION_STATE -// -// MessageText: -// -// The hypervisor could not perform the operation because the partition is entering or in an invalid state. -// + +/* MessageId: HV_STATUS_INVALID_PARTITION_STATE */ + +/* MessageText: */ + +/* The hypervisor could not perform the operation because the partition is entering or in an invalid state. */ + #define HV_STATUS_INVALID_PARTITION_STATE ((HV_STATUS)0x0007) -// -// MessageId: HV_STATUS_OPERATION_DENIED -// -// MessageText: -// -// The operation is not allowed in the current state. -// + +/* MessageId: HV_STATUS_OPERATION_DENIED */ + +/* MessageText: */ + +/* The operation is not allowed in the current state. */ + #define HV_STATUS_OPERATION_DENIED ((HV_STATUS)0x0008) -// -// MessageId: HV_STATUS_UNKNOWN_PROPERTY -// -// MessageText: -// -// The hypervisor does not recognize the specified partition property. -// + +/* MessageId: HV_STATUS_UNKNOWN_PROPERTY */ + +/* MessageText: */ + +/* The hypervisor does not recognize the specified partition property. */ + #define HV_STATUS_UNKNOWN_PROPERTY ((HV_STATUS)0x0009) -// -// MessageId: HV_STATUS_PROPERTY_VALUE_OUT_OF_RANGE -// -// MessageText: -// -// The specified value of a partition property is out of range or violates an invariant. -// + +/* MessageId: HV_STATUS_PROPERTY_VALUE_OUT_OF_RANGE */ + +/* MessageText: */ + +/* The specified value of a partition property is out of range or violates an invariant. */ + #define HV_STATUS_PROPERTY_VALUE_OUT_OF_RANGE ((HV_STATUS)0x000A) -// -// MessageId: HV_STATUS_INSUFFICIENT_MEMORY -// -// MessageText: -// -// There is not enough memory in the hypervisor pool to complete the operation. -// + +/* MessageId: HV_STATUS_INSUFFICIENT_MEMORY */ + +/* MessageText: */ + +/* There is not enough memory in the hypervisor pool to complete the operation. */ + #define HV_STATUS_INSUFFICIENT_MEMORY ((HV_STATUS)0x000B) -// -// MessageId: HV_STATUS_PARTITION_TOO_DEEP -// -// MessageText: -// -// The maximum partition depth has been exceeded for the partition hierarchy. -// + +/* MessageId: HV_STATUS_PARTITION_TOO_DEEP */ + +/* MessageText: */ + +/* The maximum partition depth has been exceeded for the partition hierarchy. */ + #define HV_STATUS_PARTITION_TOO_DEEP ((HV_STATUS)0x000C) -// -// MessageId: HV_STATUS_INVALID_PARTITION_ID -// -// MessageText: -// -// A partition with the specified partition Id does not exist. -// + +/* MessageId: HV_STATUS_INVALID_PARTITION_ID */ + +/* MessageText: */ + +/* A partition with the specified partition Id does not exist. */ + #define HV_STATUS_INVALID_PARTITION_ID ((HV_STATUS)0x000D) -// -// MessageId: HV_STATUS_INVALID_VP_INDEX -// -// MessageText: -// -// The hypervisor could not perform the operation because the specified VP index is invalid. -// + +/* MessageId: HV_STATUS_INVALID_VP_INDEX */ + +/* MessageText: */ + +/* The hypervisor could not perform the operation because the specified VP index is invalid. */ + #define HV_STATUS_INVALID_VP_INDEX ((HV_STATUS)0x000E) -// -// MessageId: HV_STATUS_NOT_FOUND -// -// MessageText: -// -// The iteration is complete; no addition items in the iteration could be found. -// + +/* MessageId: HV_STATUS_NOT_FOUND */ + +/* MessageText: */ + +/* The iteration is complete; no addition items in the iteration could be found. */ + #define HV_STATUS_NOT_FOUND ((HV_STATUS)0x0010) -// -// MessageId: HV_STATUS_INVALID_PORT_ID -// -// MessageText: -// -// The hypervisor could not perform the operation because the specified port identifier is invalid. -// + +/* MessageId: HV_STATUS_INVALID_PORT_ID */ + +/* MessageText: */ + +/* The hypervisor could not perform the operation because the specified port identifier is invalid. */ + #define HV_STATUS_INVALID_PORT_ID ((HV_STATUS)0x0011) -// -// MessageId: HV_STATUS_INVALID_CONNECTION_ID -// -// MessageText: -// -// The hypervisor could not perform the operation because the specified connection identifier is invalid. -// + +/* MessageId: HV_STATUS_INVALID_CONNECTION_ID */ + +/* MessageText: */ + +/* The hypervisor could not perform the operation because the specified connection identifier is invalid. */ + #define HV_STATUS_INVALID_CONNECTION_ID ((HV_STATUS)0x0012) -// -// MessageId: HV_STATUS_INSUFFICIENT_BUFFERS -// -// MessageText: -// -// You did not supply enough message buffers to send a message. -// + +/* MessageId: HV_STATUS_INSUFFICIENT_BUFFERS */ + +/* MessageText: */ + +/* You did not supply enough message buffers to send a message. */ + #define HV_STATUS_INSUFFICIENT_BUFFERS ((HV_STATUS)0x0013) -// -// MessageId: HV_STATUS_NOT_ACKNOWLEDGED -// -// MessageText: -// -// The previous virtual interrupt has not been acknowledged. -// + +/* MessageId: HV_STATUS_NOT_ACKNOWLEDGED */ + +/* MessageText: */ + +/* The previous virtual interrupt has not been acknowledged. */ + #define HV_STATUS_NOT_ACKNOWLEDGED ((HV_STATUS)0x0014) -// -// MessageId: HV_STATUS_INVALID_VP_STATE -// -// MessageText: -// -// A virtual processor is not in the correct state for the performance of the indicated operation. -// + +/* MessageId: HV_STATUS_INVALID_VP_STATE */ + +/* MessageText: */ + +/* A virtual processor is not in the correct state for the performance of the indicated operation. */ + #define HV_STATUS_INVALID_VP_STATE ((HV_STATUS)0x0015) -// -// MessageId: HV_STATUS_ACKNOWLEDGED -// -// MessageText: -// -// The previous virtual interrupt has already been acknowledged. -// + +/* MessageId: HV_STATUS_ACKNOWLEDGED */ + +/* MessageText: */ + +/* The previous virtual interrupt has already been acknowledged. */ + #define HV_STATUS_ACKNOWLEDGED ((HV_STATUS)0x0016) -// -// MessageId: HV_STATUS_INVALID_SAVE_RESTORE_STATE -// -// MessageText: -// -// The indicated partition is not in a valid state for saving or restoring. -// + +/* MessageId: HV_STATUS_INVALID_SAVE_RESTORE_STATE */ + +/* MessageText: */ + +/* The indicated partition is not in a valid state for saving or restoring. */ + #define HV_STATUS_INVALID_SAVE_RESTORE_STATE ((HV_STATUS)0x0017) -// -// MessageId: HV_STATUS_INVALID_SYNIC_STATE -// -// MessageText: -// -// The hypervisor could not complete the operation because a required feature of the synthetic interrupt controller (SynIC) was disabled. -// + +/* MessageId: HV_STATUS_INVALID_SYNIC_STATE */ + +/* MessageText: */ + +/* The hypervisor could not complete the operation because a required feature of the synthetic interrupt controller (SynIC) was disabled. */ + #define HV_STATUS_INVALID_SYNIC_STATE ((HV_STATUS)0x0018) -// -// MessageId: HV_STATUS_OBJECT_IN_USE -// -// MessageText: -// -// The hypervisor could not perform the operation because the object or value was either already in use or being used for a purpose that would not permit completing the operation. -// + +/* MessageId: HV_STATUS_OBJECT_IN_USE */ + +/* MessageText: */ + +/* The hypervisor could not perform the operation because the object or value was either already in use or being used for a purpose that would not permit completing the operation. */ + #define HV_STATUS_OBJECT_IN_USE ((HV_STATUS)0x0019) -// -// MessageId: HV_STATUS_INVALID_PROXIMITY_DOMAIN_INFO -// -// MessageText: -// -// The proximity domain information is invalid. -// + +/* MessageId: HV_STATUS_INVALID_PROXIMITY_DOMAIN_INFO */ + +/* MessageText: */ + +/* The proximity domain information is invalid. */ + #define HV_STATUS_INVALID_PROXIMITY_DOMAIN_INFO ((HV_STATUS)0x001A) -// -// MessageId: HV_STATUS_NO_DATA -// -// MessageText: -// -// An attempt to retrieve debugging data failed because none was available. -// + +/* MessageId: HV_STATUS_NO_DATA */ + +/* MessageText: */ + +/* An attempt to retrieve debugging data failed because none was available. */ + #define HV_STATUS_NO_DATA ((HV_STATUS)0x001B) -// -// MessageId: HV_STATUS_INACTIVE -// -// MessageText: -// -// The physical connection being used for debuggging has not recorded any receive activity since the last operation. -// + +/* MessageId: HV_STATUS_INACTIVE */ + +/* MessageText: */ + +/* The physical connection being used for debuggging has not recorded any receive activity since the last operation. */ + #define HV_STATUS_INACTIVE ((HV_STATUS)0x001C) -// -// MessageId: HV_STATUS_NO_RESOURCES -// -// MessageText: -// -// There are not enough resources to complete the operation. -// + +/* MessageId: HV_STATUS_NO_RESOURCES */ + +/* MessageText: */ + +/* There are not enough resources to complete the operation. */ + #define HV_STATUS_NO_RESOURCES ((HV_STATUS)0x001D) -// -// MessageId: HV_STATUS_FEATURE_UNAVAILABLE -// -// MessageText: -// -// A hypervisor feature is not available to the user. -// + +/* MessageId: HV_STATUS_FEATURE_UNAVAILABLE */ + +/* MessageText: */ + +/* A hypervisor feature is not available to the user. */ + #define HV_STATUS_FEATURE_UNAVAILABLE ((HV_STATUS)0x001E) -// end_hvgdk +/* end_hvgdk */ + + +/* MessageId: HV_STATUS_UNSUCCESSFUL */ + +/* MessageText: */ + +/* {Operation Failed} */ +/* The requested operation was unsuccessful. */ -// -// MessageId: HV_STATUS_UNSUCCESSFUL -// -// MessageText: -// -// {Operation Failed} -// The requested operation was unsuccessful. -// #define HV_STATUS_UNSUCCESSFUL ((HV_STATUS)0x1001) -// -// MessageId: HV_STATUS_INSUFFICIENT_BUFFER -// -// MessageText: -// -// The specified buffer was too small to contain all of the requested data. -// + +/* MessageId: HV_STATUS_INSUFFICIENT_BUFFER */ + +/* MessageText: */ + +/* The specified buffer was too small to contain all of the requested data. */ + #define HV_STATUS_INSUFFICIENT_BUFFER ((HV_STATUS)0x1002) -// -// MessageId: HV_STATUS_GPA_NOT_PRESENT -// -// MessageText: -// -// The guest physical address is not currently associated with a system physical address. -// + +/* MessageId: HV_STATUS_GPA_NOT_PRESENT */ + +/* MessageText: */ + +/* The guest physical address is not currently associated with a system physical address. */ + #define HV_STATUS_GPA_NOT_PRESENT ((HV_STATUS)0x1003) -// -// MessageId: HV_STATUS_GUEST_PAGE_FAULT -// -// MessageText: -// -// The operation would have resulted in a page fault in the guest. -// + +/* MessageId: HV_STATUS_GUEST_PAGE_FAULT */ + +/* MessageText: */ + +/* The operation would have resulted in a page fault in the guest. */ + #define HV_STATUS_GUEST_PAGE_FAULT ((HV_STATUS)0x1004) -// -// MessageId: HV_STATUS_RUNDOWN_DISABLED -// -// MessageText: -// -// The operation cannot proceed as the rundown object was marked disabled. -// + +/* MessageId: HV_STATUS_RUNDOWN_DISABLED */ + +/* MessageText: */ + +/* The operation cannot proceed as the rundown object was marked disabled. */ + #define HV_STATUS_RUNDOWN_DISABLED ((HV_STATUS)0x1005) -// -// MessageId: HV_STATUS_KEY_ALREADY_EXISTS -// -// MessageText: -// -// The entry cannot be added as another entry with the same key already exists. -// + +/* MessageId: HV_STATUS_KEY_ALREADY_EXISTS */ + +/* MessageText: */ + +/* The entry cannot be added as another entry with the same key already exists. */ + #define HV_STATUS_KEY_ALREADY_EXISTS ((HV_STATUS)0x1006) -// -// MessageId: HV_STATUS_GPA_INTERCEPT -// -// MessageText: -// -// The operation resulted an intercept on a region of guest physical memory. -// + +/* MessageId: HV_STATUS_GPA_INTERCEPT */ + +/* MessageText: */ + +/* The operation resulted an intercept on a region of guest physical memory. */ + #define HV_STATUS_GPA_INTERCEPT ((HV_STATUS)0x1007) -// -// MessageId: HV_STATUS_GUEST_GENERAL_PROTECTION_FAULT -// -// MessageText: -// -// The operation would have resulted in a general protection fault in the guest. -// + +/* MessageId: HV_STATUS_GUEST_GENERAL_PROTECTION_FAULT */ + +/* MessageText: */ + +/* The operation would have resulted in a general protection fault in the guest. */ + #define HV_STATUS_GUEST_GENERAL_PROTECTION_FAULT ((HV_STATUS)0x1008) -// -// MessageId: HV_STATUS_GUEST_STACK_FAULT -// -// MessageText: -// -// The operation would have resulted in a stack fault in the guest. -// + +/* MessageId: HV_STATUS_GUEST_STACK_FAULT */ + +/* MessageText: */ + +/* The operation would have resulted in a stack fault in the guest. */ + #define HV_STATUS_GUEST_STACK_FAULT ((HV_STATUS)0x1009) -// -// MessageId: HV_STATUS_GUEST_INVALID_OPCODE_FAULT -// -// MessageText: -// -// The operation would have resulted in an invalid opcode fault in the guest. -// + +/* MessageId: HV_STATUS_GUEST_INVALID_OPCODE_FAULT */ + +/* MessageText: */ + +/* The operation would have resulted in an invalid opcode fault in the guest. */ + #define HV_STATUS_GUEST_INVALID_OPCODE_FAULT ((HV_STATUS)0x100A) -// -// MessageId: HV_STATUS_FINALIZE_INCOMPLETE -// -// MessageText: -// -// The partition is not completely finalized. -// + +/* MessageId: HV_STATUS_FINALIZE_INCOMPLETE */ + +/* MessageText: */ + +/* The partition is not completely finalized. */ + #define HV_STATUS_FINALIZE_INCOMPLETE ((HV_STATUS)0x100B) -// -// MessageId: HV_STATUS_GUEST_MACHINE_CHECK_ABORT -// -// MessageText: -// -// The operation would have resulted in an machine check abort in the guest. -// + +/* MessageId: HV_STATUS_GUEST_MACHINE_CHECK_ABORT */ + +/* MessageText: */ + +/* The operation would have resulted in an machine check abort in the guest. */ + #define HV_STATUS_GUEST_MACHINE_CHECK_ABORT ((HV_STATUS)0x100C) -// -// MessageId: HV_STATUS_ILLEGAL_OVERLAY_ACCESS -// -// MessageText: -// -// An illegal access was attempted to an overlay page. -// + +/* MessageId: HV_STATUS_ILLEGAL_OVERLAY_ACCESS */ + +/* MessageText: */ + +/* An illegal access was attempted to an overlay page. */ + #define HV_STATUS_ILLEGAL_OVERLAY_ACCESS ((HV_STATUS)0x100D) -// -// MessageId: HV_STATUS_INSUFFICIENT_SYSTEM_VA -// -// MessageText: -// -// There is not enough system VA space available to satisfy the request, -// + +/* MessageId: HV_STATUS_INSUFFICIENT_SYSTEM_VA */ + +/* MessageText: */ + +/* There is not enough system VA space available to satisfy the request, */ + #define HV_STATUS_INSUFFICIENT_SYSTEM_VA ((HV_STATUS)0x100E) -// -// MessageId: HV_STATUS_VIRTUAL_ADDRESS_NOT_MAPPED -// -// MessageText: -// -// The passed virtual address was not mapped in the hypervisor address space. -// + +/* MessageId: HV_STATUS_VIRTUAL_ADDRESS_NOT_MAPPED */ + +/* MessageText: */ + +/* The passed virtual address was not mapped in the hypervisor address space. */ + #define HV_STATUS_VIRTUAL_ADDRESS_NOT_MAPPED ((HV_STATUS)0x100F) -// -// MessageId: HV_STATUS_NOT_IMPLEMENTED -// -// MessageText: -// -// The requested operation is not implemented in this version of the hypervisor. -// + +/* MessageId: HV_STATUS_NOT_IMPLEMENTED */ + +/* MessageText: */ + +/* The requested operation is not implemented in this version of the hypervisor. */ + #define HV_STATUS_NOT_IMPLEMENTED ((HV_STATUS)0x1010) -// -// MessageId: HV_STATUS_VMX_INSTRUCTION_FAILED -// -// MessageText: -// -// The requested VMX instruction failed to complete succesfully. -// + +/* MessageId: HV_STATUS_VMX_INSTRUCTION_FAILED */ + +/* MessageText: */ + +/* The requested VMX instruction failed to complete succesfully. */ + #define HV_STATUS_VMX_INSTRUCTION_FAILED ((HV_STATUS)0x1011) -// -// MessageId: HV_STATUS_VMX_INSTRUCTION_FAILED_WITH_STATUS -// -// MessageText: -// -// The requested VMX instruction failed to complete succesfully indicating status. -// + +/* MessageId: HV_STATUS_VMX_INSTRUCTION_FAILED_WITH_STATUS */ + +/* MessageText: */ + +/* The requested VMX instruction failed to complete succesfully indicating status. */ + #define HV_STATUS_VMX_INSTRUCTION_FAILED_WITH_STATUS ((HV_STATUS)0x1012) -// -// MessageId: HV_STATUS_MSR_ACCESS_FAILED -// -// MessageText: -// -// The requested access to the model specific register failed. -// + +/* MessageId: HV_STATUS_MSR_ACCESS_FAILED */ + +/* MessageText: */ + +/* The requested access to the model specific register failed. */ + #define HV_STATUS_MSR_ACCESS_FAILED ((HV_STATUS)0x1013) -// -// MessageId: HV_STATUS_CR_ACCESS_FAILED -// -// MessageText: -// -// The requested access to the control register failed. -// + +/* MessageId: HV_STATUS_CR_ACCESS_FAILED */ + +/* MessageText: */ + +/* The requested access to the control register failed. */ + #define HV_STATUS_CR_ACCESS_FAILED ((HV_STATUS)0x1014) -// -// MessageId: HV_STATUS_TIMEOUT -// -// MessageText: -// -// The specified timeout expired before the operation completed. -// + +/* MessageId: HV_STATUS_TIMEOUT */ + +/* MessageText: */ + +/* The specified timeout expired before the operation completed. */ + #define HV_STATUS_TIMEOUT ((HV_STATUS)0x1016) -// -// MessageId: HV_STATUS_MSR_INTERCEPT -// -// MessageText: -// -// The requested access to the model specific register generated an intercept. -// + +/* MessageId: HV_STATUS_MSR_INTERCEPT */ + +/* MessageText: */ + +/* The requested access to the model specific register generated an intercept. */ + #define HV_STATUS_MSR_INTERCEPT ((HV_STATUS)0x1017) -// -// MessageId: HV_STATUS_CPUID_INTERCEPT -// -// MessageText: -// -// The CPUID instruction generated an intercept. -// + +/* MessageId: HV_STATUS_CPUID_INTERCEPT */ + +/* MessageText: */ + +/* The CPUID instruction generated an intercept. */ + #define HV_STATUS_CPUID_INTERCEPT ((HV_STATUS)0x1018) -// -// MessageId: HV_STATUS_REPEAT_INSTRUCTION -// -// MessageText: -// -// The current instruction should be repeated and the instruction pointer not advanced. -// + +/* MessageId: HV_STATUS_REPEAT_INSTRUCTION */ + +/* MessageText: */ + +/* The current instruction should be repeated and the instruction pointer not advanced. */ + #define HV_STATUS_REPEAT_INSTRUCTION ((HV_STATUS)0x1019) -// -// MessageId: HV_STATUS_PAGE_PROTECTION_VIOLATION -// -// MessageText: -// -// The current instruction should be repeated and the instruction pointer not advanced. -// + +/* MessageId: HV_STATUS_PAGE_PROTECTION_VIOLATION */ + +/* MessageText: */ + +/* The current instruction should be repeated and the instruction pointer not advanced. */ + #define HV_STATUS_PAGE_PROTECTION_VIOLATION ((HV_STATUS)0x101A) -// -// MessageId: HV_STATUS_PAGE_TABLE_INVALID -// -// MessageText: -// -// The current instruction should be repeated and the instruction pointer not advanced. -// + +/* MessageId: HV_STATUS_PAGE_TABLE_INVALID */ + +/* MessageText: */ + +/* The current instruction should be repeated and the instruction pointer not advanced. */ + #define HV_STATUS_PAGE_TABLE_INVALID ((HV_STATUS)0x101B) -// -// MessageId: HV_STATUS_PAGE_NOT_PRESENT -// -// MessageText: -// -// The current instruction should be repeated and the instruction pointer not advanced. -// + +/* MessageId: HV_STATUS_PAGE_NOT_PRESENT */ + +/* MessageText: */ + +/* The current instruction should be repeated and the instruction pointer not advanced. */ + #define HV_STATUS_PAGE_NOT_PRESENT ((HV_STATUS)0x101C) -// -// MessageId: HV_STATUS_IO_INTERCEPT -// -// MessageText: -// -// The requested access to the I/O port generated an intercept. -// + +/* MessageId: HV_STATUS_IO_INTERCEPT */ + +/* MessageText: */ + +/* The requested access to the I/O port generated an intercept. */ + #define HV_STATUS_IO_INTERCEPT ((HV_STATUS)0x101D) -// -// MessageId: HV_STATUS_NOTHING_TO_DO -// -// MessageText: -// -// There is nothing to do. -// + +/* MessageId: HV_STATUS_NOTHING_TO_DO */ + +/* MessageText: */ + +/* There is nothing to do. */ + #define HV_STATUS_NOTHING_TO_DO ((HV_STATUS)0x101E) -// -// MessageId: HV_STATUS_THREAD_TERMINATING -// -// MessageText: -// -// The requested thread is terminating. -// + +/* MessageId: HV_STATUS_THREAD_TERMINATING */ + +/* MessageText: */ + +/* The requested thread is terminating. */ + #define HV_STATUS_THREAD_TERMINATING ((HV_STATUS)0x101F) -// -// MessageId: HV_STATUS_SECTION_ALREADY_CONSTRUCTED -// -// MessageText: -// -// The specified section was already constructed. -// + +/* MessageId: HV_STATUS_SECTION_ALREADY_CONSTRUCTED */ + +/* MessageText: */ + +/* The specified section was already constructed. */ + #define HV_STATUS_SECTION_ALREADY_CONSTRUCTED ((HV_STATUS)0x1020) -// -// MessageId: HV_STATUS_SECTION_NOT_ALREADY_CONSTRUCTED -// -// MessageText: -// -// The specified section was not already constructed. -// + +/* MessageId: HV_STATUS_SECTION_NOT_ALREADY_CONSTRUCTED */ + +/* MessageText: */ + +/* The specified section was not already constructed. */ + #define HV_STATUS_SECTION_NOT_ALREADY_CONSTRUCTED ((HV_STATUS)0x1021) -// -// MessageId: HV_STATUS_PAGE_ALREADY_COMMITTED -// -// MessageText: -// -// The specified virtual address was already backed by physical memory. -// + +/* MessageId: HV_STATUS_PAGE_ALREADY_COMMITTED */ + +/* MessageText: */ + +/* The specified virtual address was already backed by physical memory. */ + #define HV_STATUS_PAGE_ALREADY_COMMITTED ((HV_STATUS)0x1022) -// -// MessageId: HV_STATUS_PAGE_NOT_ALREADY_COMMITTED -// -// MessageText: -// -// The specified virtual address was not already backed by physical memory. -// + +/* MessageId: HV_STATUS_PAGE_NOT_ALREADY_COMMITTED */ + +/* MessageText: */ + +/* The specified virtual address was not already backed by physical memory. */ + #define HV_STATUS_PAGE_NOT_ALREADY_COMMITTED ((HV_STATUS)0x1023) -// -// MessageId: HV_STATUS_COMMITTED_PAGES_REMAIN -// -// MessageText: -// -// Committed pages remain in the section. -// + +/* MessageId: HV_STATUS_COMMITTED_PAGES_REMAIN */ + +/* MessageText: */ + +/* Committed pages remain in the section. */ + #define HV_STATUS_COMMITTED_PAGES_REMAIN ((HV_STATUS)0x1024) -// -// MessageId: HV_STATUS_NO_REMAINING_COMMITTED_PAGES -// -// MessageText: -// -// No additional committed pages beyond the specified page exist in the section. -// + +/* MessageId: HV_STATUS_NO_REMAINING_COMMITTED_PAGES */ + +/* MessageText: */ + +/* No additional committed pages beyond the specified page exist in the section. */ + #define HV_STATUS_NO_REMAINING_COMMITTED_PAGES ((HV_STATUS)0x1025) -// -// MessageId: HV_STATUS_INSUFFICIENT_COMPARTMENT_VA -// -// MessageText: -// -// The VA space of the compartment is exhausted. -// + +/* MessageId: HV_STATUS_INSUFFICIENT_COMPARTMENT_VA */ + +/* MessageText: */ + +/* The VA space of the compartment is exhausted. */ + #define HV_STATUS_INSUFFICIENT_COMPARTMENT_VA ((HV_STATUS)0x1026) -// -// MessageId: HV_STATUS_DEREF_SPA_LIST_FULL -// -// MessageText: -// -// The SPA dereference list is full, and there are additional entries -// to be added to it. -// + +/* MessageId: HV_STATUS_DEREF_SPA_LIST_FULL */ + +/* MessageText: */ + +/* The SPA dereference list is full, and there are additional entries */ +/* to be added to it. */ + #define HV_STATUS_DEREF_SPA_LIST_FULL ((HV_STATUS)0x1027) -// -// MessageId: HV_STATUS_GPA_OUT_OF_RANGE -// -// MessageText: -// -// The supplied GPA is out of range. -// + +/* MessageId: HV_STATUS_GPA_OUT_OF_RANGE */ + +/* MessageText: */ + +/* The supplied GPA is out of range. */ + #define HV_STATUS_GPA_OUT_OF_RANGE ((HV_STATUS)0x1027) -// -// MessageId: HV_STATUS_NONVOLATILE_XMM_STALE -// -// MessageText: -// -// The XMM register that was being accessed is stale. -// + +/* MessageId: HV_STATUS_NONVOLATILE_XMM_STALE */ + +/* MessageText: */ + +/* The XMM register that was being accessed is stale. */ + #define HV_STATUS_NONVOLATILE_XMM_STALE ((HV_STATUS)0x1028) -// -// MessageId: HV_STATUS_UNSUPPORTED_PROCESSOR -// -// MessageText: -// -// The hypervisor does not support the processors in this system. -// + +/* MessageId: HV_STATUS_UNSUPPORTED_PROCESSOR */ + +/* MessageText: */ + +/* The hypervisor does not support the processors in this system. */ + #define HV_STATUS_UNSUPPORTED_PROCESSOR ((HV_STATUS)0x1029) -// -// MessageId: HV_STATUS_INSUFFICIENT_CROM_SPACE -// -// MessageText: -// -// Insufficient space existed for copying over the CROM contents. -// + +/* MessageId: HV_STATUS_INSUFFICIENT_CROM_SPACE */ + +/* MessageText: */ + +/* Insufficient space existed for copying over the CROM contents. */ + #define HV_STATUS_INSUFFICIENT_CROM_SPACE ((HV_STATUS)0x2000) -// -// MessageId: HV_STATUS_BAD_CROM_FORMAT -// -// MessageText: -// -// The contents of the CROM failed validation attempts. -// + +/* MessageId: HV_STATUS_BAD_CROM_FORMAT */ + +/* MessageText: */ + +/* The contents of the CROM failed validation attempts. */ + #define HV_STATUS_BAD_CROM_FORMAT ((HV_STATUS)0x2001) -// -// MessageId: HV_STATUS_UNSUPPORTED_CROM_FORMAT -// -// MessageText: -// -// The contents of the CROM contain contents the parser doesn't support. -// + +/* MessageId: HV_STATUS_UNSUPPORTED_CROM_FORMAT */ + +/* MessageText: */ + +/* The contents of the CROM contain contents the parser doesn't support. */ + #define HV_STATUS_UNSUPPORTED_CROM_FORMAT ((HV_STATUS)0x2002) -// -// MessageId: HV_STATUS_UNSUPPORTED_CONTROLLER -// -// MessageText: -// -// The register format of the OHCI controller specified for debugging is not supported. -// + +/* MessageId: HV_STATUS_UNSUPPORTED_CONTROLLER */ + +/* MessageText: */ + +/* The register format of the OHCI controller specified for debugging is not supported. */ + #define HV_STATUS_UNSUPPORTED_CONTROLLER ((HV_STATUS)0x2003) -// -// MessageId: HV_STATUS_CROM_TOO_LARGE -// -// MessageText: -// -// The CROM contents were to large to copy over. -// + +/* MessageId: HV_STATUS_CROM_TOO_LARGE */ + +/* MessageText: */ + +/* The CROM contents were to large to copy over. */ + #define HV_STATUS_CROM_TOO_LARGE ((HV_STATUS)0x2004) -// -// MessageId: HV_STATUS_CONTROLLER_IN_USE -// -// MessageText: -// -// The OHCI controller specified for debugging cannot be used as it is already in use. -// + +/* MessageId: HV_STATUS_CONTROLLER_IN_USE */ + +/* MessageText: */ + +/* The OHCI controller specified for debugging cannot be used as it is already in use. */ + #define HV_STATUS_CONTROLLER_IN_USE ((HV_STATUS)0x2005) diff --git a/drivers/staging/hv/include/HvSynicApi.h b/drivers/staging/hv/include/HvSynicApi.h index 79084e51025..17e2187d5c0 100644 --- a/drivers/staging/hv/include/HvSynicApi.h +++ b/drivers/staging/hv/include/HvSynicApi.h @@ -23,24 +23,24 @@ #pragma once -// -// Define the virtual APIC registers -// + +/* Define the virtual APIC registers */ + #define HV_X64_MSR_EOI (0x40000070) #define HV_X64_MSR_ICR (0x40000071) #define HV_X64_MSR_TPR (0x40000072) #define HV_X64_MSR_APIC_ASSIST_PAGE (0x40000073) -// -// Define version of the synthetic interrupt controller. -// + +/* Define version of the synthetic interrupt controller. */ + #define HV_SYNIC_VERSION (1) -// -// Define synthetic interrupt controller model specific registers. -// + +/* Define synthetic interrupt controller model specific registers. */ + #define HV_X64_MSR_SCONTROL (0x40000080) #define HV_X64_MSR_SVERSION (0x40000081) @@ -64,61 +64,61 @@ #define HV_X64_MSR_SINT14 (0x4000009E) #define HV_X64_MSR_SINT15 (0x4000009F) -// -// Define the expected SynIC version. -// + +/* Define the expected SynIC version. */ + #define HV_SYNIC_VERSION_1 (0x1) -// -// Define synthetic interrupt controller message constants. -// + +/* Define synthetic interrupt controller message constants. */ + #define HV_MESSAGE_SIZE (256) #define HV_MESSAGE_PAYLOAD_BYTE_COUNT (240) #define HV_MESSAGE_PAYLOAD_QWORD_COUNT (30) #define HV_ANY_VP (0xFFFFFFFF) -// -// Define synthetic interrupt controller flag constants. -// + +/* Define synthetic interrupt controller flag constants. */ + #define HV_EVENT_FLAGS_COUNT (256 * 8) #define HV_EVENT_FLAGS_BYTE_COUNT (256) #define HV_EVENT_FLAGS_DWORD_COUNT (256 / sizeof(u32)) -// -// Define hypervisor message types. -// + +/* Define hypervisor message types. */ + typedef enum _HV_MESSAGE_TYPE { HvMessageTypeNone = 0x00000000, - // - // Memory access messages. - // + + /* Memory access messages. */ + HvMessageTypeUnmappedGpa = 0x80000000, HvMessageTypeGpaIntercept = 0x80000001, - // - // Timer notification messages. - // + + /* Timer notification messages. */ + HvMessageTimerExpired = 0x80000010, - // - // Error messages. - // + + /* Error messages. */ + HvMessageTypeInvalidVpRegisterValue = 0x80000020, HvMessageTypeUnrecoverableException = 0x80000021, HvMessageTypeUnsupportedFeature = 0x80000022, - // - // Trace buffer complete messages. - // + + /* Trace buffer complete messages. */ + HvMessageTypeEventLogBufferComplete = 0x80000040, - // - // Platform-specific processor intercept messages. - // + + /* Platform-specific processor intercept messages. */ + HvMessageTypeX64IoPortIntercept = 0x80010000, HvMessageTypeX64MsrIntercept = 0x80010001, HvMessageTypeX64CpuidIntercept = 0x80010002, @@ -128,33 +128,33 @@ typedef enum _HV_MESSAGE_TYPE } HV_MESSAGE_TYPE, *PHV_MESSAGE_TYPE; -// -// Define the number of synthetic interrupt sources. -// + +/* Define the number of synthetic interrupt sources. */ + #define HV_SYNIC_SINT_COUNT (16) #define HV_SYNIC_STIMER_COUNT (4) -// -// Define the synthetic interrupt source index type. -// + +/* Define the synthetic interrupt source index type. */ + typedef u32 HV_SYNIC_SINT_INDEX, *PHV_SYNIC_SINT_INDEX; -// -// Define partition identifier type. -// + +/* Define partition identifier type. */ + typedef u64 HV_PARTITION_ID, *PHV_PARTITION_ID; -// -// Define invalid partition identifier. -// + +/* Define invalid partition identifier. */ + #define HV_PARTITION_ID_INVALID ((HV_PARTITION_ID) 0x0) -// -// Define connection identifier type. -// + +/* Define connection identifier type. */ + typedef union _HV_CONNECTION_ID { @@ -162,15 +162,15 @@ typedef union _HV_CONNECTION_ID struct { - u32 Id:24; - u32 Reserved:8; + u32 Id:24; + u32 Reserved:8; } u; } HV_CONNECTION_ID, *PHV_CONNECTION_ID; -// -// Define port identifier type. -// + +/* Define port identifier type. */ + typedef union _HV_PORT_ID { @@ -178,15 +178,15 @@ typedef union _HV_PORT_ID struct { - u32 Id:24; - u32 Reserved:8; + u32 Id:24; + u32 Reserved:8; } u ; } HV_PORT_ID, *PHV_PORT_ID; -// -// Define port type. -// + +/* Define port type. */ + typedef enum _HV_PORT_TYPE { @@ -195,9 +195,9 @@ typedef enum _HV_PORT_TYPE HvPortTypeMonitor = 3 } HV_PORT_TYPE, *PHV_PORT_TYPE; -// -// Define port information structure. -// + +/* Define port information structure. */ + typedef struct _HV_PORT_INFO { @@ -206,27 +206,27 @@ typedef struct _HV_PORT_INFO union { - struct - { - HV_SYNIC_SINT_INDEX TargetSint; - HV_VP_INDEX TargetVp; - u64 RsvdZ; - } MessagePortInfo; - - struct - { - HV_SYNIC_SINT_INDEX TargetSint; - HV_VP_INDEX TargetVp; - u16 BaseFlagNumber; - u16 FlagCount; - u32 RsvdZ; - } EventPortInfo; - - struct - { - HV_GPA MonitorAddress; - u64 RsvdZ; - } MonitorPortInfo; + struct + { + HV_SYNIC_SINT_INDEX TargetSint; + HV_VP_INDEX TargetVp; + u64 RsvdZ; + } MessagePortInfo; + + struct + { + HV_SYNIC_SINT_INDEX TargetSint; + HV_VP_INDEX TargetVp; + u16 BaseFlagNumber; + u16 FlagCount; + u32 RsvdZ; + } EventPortInfo; + + struct + { + HV_GPA MonitorAddress; + u64 RsvdZ; + } MonitorPortInfo; }; } HV_PORT_INFO, *PHV_PORT_INFO; @@ -239,43 +239,43 @@ typedef struct _HV_CONNECTION_INFO union { - struct - { - u64 RsvdZ; - } MessageConnectionInfo; - - struct - { - u64 RsvdZ; - } EventConnectionInfo; - - struct - { - HV_GPA MonitorAddress; - } MonitorConnectionInfo; + struct + { + u64 RsvdZ; + } MessageConnectionInfo; + + struct + { + u64 RsvdZ; + } EventConnectionInfo; + + struct + { + HV_GPA MonitorAddress; + } MonitorConnectionInfo; }; } HV_CONNECTION_INFO, *PHV_CONNECTION_INFO; typedef const HV_CONNECTION_INFO *PCHV_CONNECTION_INFO; -// -// Define synthetic interrupt controller message flags. -// + +/* Define synthetic interrupt controller message flags. */ + typedef union _HV_MESSAGE_FLAGS { u8 Asu8; struct { - u8 MessagePending:1; - u8 Reserved:7; + u8 MessagePending:1; + u8 Reserved:7; }; } HV_MESSAGE_FLAGS, *PHV_MESSAGE_FLAGS; -// -// Define synthetic interrupt controller message header. -// + +/* Define synthetic interrupt controller message header. */ + typedef struct _HV_MESSAGE_HEADER { @@ -285,45 +285,45 @@ typedef struct _HV_MESSAGE_HEADER u8 Reserved[2]; union { - HV_PARTITION_ID Sender; - HV_PORT_ID Port; + HV_PARTITION_ID Sender; + HV_PORT_ID Port; }; } HV_MESSAGE_HEADER, *PHV_MESSAGE_HEADER; -// -// Define timer message payload structure. -// + +/* Define timer message payload structure. */ + typedef struct _HV_TIMER_MESSAGE_PAYLOAD { u32 TimerIndex; u32 Reserved; - HV_NANO100_TIME ExpirationTime; // When the timer expired - HV_NANO100_TIME DeliveryTime; // When the message was delivered + HV_NANO100_TIME ExpirationTime; /* When the timer expired */ + HV_NANO100_TIME DeliveryTime; /* When the message was delivered */ } HV_TIMER_MESSAGE_PAYLOAD, *PHV_TIMER_MESSAGE_PAYLOAD; -// -// Define synthetic interrupt controller message format. -// + +/* Define synthetic interrupt controller message format. */ + typedef struct _HV_MESSAGE { HV_MESSAGE_HEADER Header; union { - u64 Payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT]; + u64 Payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT]; } u ; } HV_MESSAGE, *PHV_MESSAGE; -// -// Define the number of message buffers associated with each port. -// + +/* Define the number of message buffers associated with each port. */ + #define HV_PORT_MESSAGE_BUFFER_COUNT (16) -// -// Define the synthetic interrupt message page layout. -// + +/* Define the synthetic interrupt message page layout. */ + typedef struct _HV_MESSAGE_PAGE { @@ -331,9 +331,9 @@ typedef struct _HV_MESSAGE_PAGE } HV_MESSAGE_PAGE, *PHV_MESSAGE_PAGE; -// -// Define the synthetic interrupt controller event flags format. -// + +/* Define the synthetic interrupt controller event flags format. */ + typedef union _HV_SYNIC_EVENT_FLAGS { @@ -342,9 +342,9 @@ typedef union _HV_SYNIC_EVENT_FLAGS } HV_SYNIC_EVENT_FLAGS, *PHV_SYNIC_EVENT_FLAGS; -// -// Define the synthetic interrupt flags page layout. -// + +/* Define the synthetic interrupt flags page layout. */ + typedef struct _HV_SYNIC_EVENT_FLAGS_PAGE { @@ -352,69 +352,69 @@ typedef struct _HV_SYNIC_EVENT_FLAGS_PAGE } HV_SYNIC_EVENT_FLAGS_PAGE, *PHV_SYNIC_EVENT_FLAGS_PAGE; -// -// Define SynIC control register. -// + +/* Define SynIC control register. */ + typedef union _HV_SYNIC_SCONTROL { u64 AsUINT64; struct { - u64 Enable:1; - u64 Reserved:63; + u64 Enable:1; + u64 Reserved:63; }; } HV_SYNIC_SCONTROL, *PHV_SYNIC_SCONTROL; -// -// Define synthetic interrupt source. -// + +/* Define synthetic interrupt source. */ + typedef union _HV_SYNIC_SINT { u64 AsUINT64; struct { - u64 Vector :8; - u64 Reserved1 :8; - u64 Masked :1; - u64 AutoEoi :1; - u64 Reserved2 :46; + u64 Vector :8; + u64 Reserved1 :8; + u64 Masked :1; + u64 AutoEoi :1; + u64 Reserved2 :46; }; } HV_SYNIC_SINT, *PHV_SYNIC_SINT; -// -// Define the format of the SIMP register -// + +/* Define the format of the SIMP register */ + typedef union _HV_SYNIC_SIMP { u64 AsUINT64; struct { - u64 SimpEnabled : 1; - u64 Preserved : 11; - u64 BaseSimpGpa : 52; + u64 SimpEnabled : 1; + u64 Preserved : 11; + u64 BaseSimpGpa : 52; }; } HV_SYNIC_SIMP, *PHV_SYNIC_SIMP; -// -// Define the format of the SIEFP register -// + +/* Define the format of the SIEFP register */ + typedef union _HV_SYNIC_SIEFP { u64 AsUINT64; struct { - u64 SiefpEnabled : 1; - u64 Preserved : 11; - u64 BaseSiefpGpa : 52; + u64 SiefpEnabled : 1; + u64 Preserved : 11; + u64 BaseSiefpGpa : 52; }; } HV_SYNIC_SIEFP, *PHV_SYNIC_SIEFP; -// -// Definitions for the monitored notification facility -// + +/* Definitions for the monitored notification facility */ + typedef union _HV_MONITOR_TRIGGER_GROUP { @@ -422,8 +422,8 @@ typedef union _HV_MONITOR_TRIGGER_GROUP struct { - u32 Pending; - u32 Armed; + u32 Pending; + u32 Armed; }; } HV_MONITOR_TRIGGER_GROUP, *PHV_MONITOR_TRIGGER_GROUP; @@ -441,32 +441,32 @@ typedef union _HV_MONITOR_TRIGGER_STATE struct { - u32 GroupEnable : 4; - u32 RsvdZ : 28; + u32 GroupEnable : 4; + u32 RsvdZ : 28; }; } HV_MONITOR_TRIGGER_STATE, *PHV_MONITOR_TRIGGER_STATE; -// -// HV_MONITOR_PAGE Layout -// ------------------------------------------------------ -// | 0 | TriggerState (4 bytes) | Rsvd1 (4 bytes) | -// | 8 | TriggerGroup[0] | -// | 10 | TriggerGroup[1] | -// | 18 | TriggerGroup[2] | -// | 20 | TriggerGroup[3] | -// | 28 | Rsvd2[0] | -// | 30 | Rsvd2[1] | -// | 38 | Rsvd2[2] | -// | 40 | NextCheckTime[0][0] | NextCheckTime[0][1] | -// | ... | -// | 240 | Latency[0][0..3] | -// | 340 | Rsvz3[0] | -// | 440 | Parameter[0][0] | -// | 448 | Parameter[0][1] | -// | ... | -// | 840 | Rsvd4[0] | -// ------------------------------------------------------ + +/* HV_MONITOR_PAGE Layout */ +/* ------------------------------------------------------ */ +/* | 0 | TriggerState (4 bytes) | Rsvd1 (4 bytes) | */ +/* | 8 | TriggerGroup[0] | */ +/* | 10 | TriggerGroup[1] | */ +/* | 18 | TriggerGroup[2] | */ +/* | 20 | TriggerGroup[3] | */ +/* | 28 | Rsvd2[0] | */ +/* | 30 | Rsvd2[1] | */ +/* | 38 | Rsvd2[2] | */ +/* | 40 | NextCheckTime[0][0] | NextCheckTime[0][1] | */ +/* | ... | */ +/* | 240 | Latency[0][0..3] | */ +/* | 340 | Rsvz3[0] | */ +/* | 440 | Parameter[0][0] | */ +/* | 448 | Parameter[0][1] | */ +/* | ... | */ +/* | 840 | Rsvd4[0] | */ +/* ------------------------------------------------------ */ typedef struct _HV_MONITOR_PAGE { diff --git a/drivers/staging/hv/include/HvVpApi.h b/drivers/staging/hv/include/HvVpApi.h index 910a9e5983e..ce0784c335a 100644 --- a/drivers/staging/hv/include/HvVpApi.h +++ b/drivers/staging/hv/include/HvVpApi.h @@ -23,16 +23,16 @@ #pragma once -// -// Virtual Processor Indices -// + +/* Virtual Processor Indices */ + typedef u32 HV_VP_INDEX, *PHV_VP_INDEX; -// -// The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent -// is set by CPUID(HvCpuIdFunctionVersionAndFeatures). -// ========================================================================== -// + +/* The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent */ +/* is set by CPUID(HvCpuIdFunctionVersionAndFeatures). */ +/* ========================================================================== */ + typedef enum _HV_CPUID_FUNCTION { @@ -40,9 +40,9 @@ typedef enum _HV_CPUID_FUNCTION HvCpuIdFunctionHvVendorAndMaxFunction = 0x40000000, HvCpuIdFunctionHvInterface = 0x40000001, - // - // The remaining functions depend on the value of HvCpuIdFunctionInterface - // + + /* The remaining functions depend on the value of HvCpuIdFunctionInterface */ + HvCpuIdFunctionMsHvVersion = 0x40000002, HvCpuIdFunctionMsHvFeatures = 0x40000003, HvCpuIdFunctionMsHvEnlightenmentInformation = 0x40000004, diff --git a/drivers/staging/hv/include/List.h b/drivers/staging/hv/include/List.h index 581fe534013..31c12969643 100644 --- a/drivers/staging/hv/include/List.h +++ b/drivers/staging/hv/include/List.h @@ -36,10 +36,10 @@ typedef DLIST_ENTRY LIST_ENTRY; typedef DLIST_ENTRY *PLIST_ENTRY; -//typedef struct LIST_ENTRY { -// struct LIST_ENTRY * volatile Flink; -// struct LIST_ENTRY * volatile Blink; -//} LIST_ENTRY, *PLIST_ENTRY; +/* typedef struct LIST_ENTRY { */ +/* struct LIST_ENTRY * volatile Flink; */ +/* struct LIST_ENTRY * volatile Blink; */ +/* } LIST_ENTRY, *PLIST_ENTRY; */ diff --git a/drivers/staging/hv/include/NetVscApi.h b/drivers/staging/hv/include/NetVscApi.h index 626054bcda7..fdd8ad99ac2 100644 --- a/drivers/staging/hv/include/NetVscApi.h +++ b/drivers/staging/hv/include/NetVscApi.h @@ -27,22 +27,22 @@ #include "VmbusApi.h" -// -// Defines -// + +/* Defines */ + #define NETVSC_DEVICE_RING_BUFFER_SIZE 64*PAGE_SIZE #define HW_MACADDR_LEN 6 -// -// Fwd declaration -// + +/* Fwd declaration */ + typedef struct _NETVSC_PACKET *PNETVSC_PACKET; -// -// Data types -// + +/* Data types */ + typedef int (*PFN_ON_OPEN)(DEVICE_OBJECT *Device); typedef int (*PFN_ON_CLOSE)(DEVICE_OBJECT *Device); @@ -54,27 +54,33 @@ typedef void (*PFN_ON_SENDRECVCOMPLETION)(void * Context); typedef int (*PFN_ON_RECVCALLBACK)(DEVICE_OBJECT *dev, PNETVSC_PACKET packet); typedef void (*PFN_ON_LINKSTATUS_CHANGED)(DEVICE_OBJECT *dev, u32 Status); -// Represent the xfer page packet which contains 1 or more netvsc packet +/* Represent the xfer page packet which contains 1 or more netvsc packet */ typedef struct _XFERPAGE_PACKET { DLIST_ENTRY ListEntry; - // # of netvsc packets this xfer packet contains + /* # of netvsc packets this xfer packet contains */ u32 Count; } XFERPAGE_PACKET; -// The number of pages which are enough to cover jumbo frame buffer. +/* The number of pages which are enough to cover jumbo frame buffer. */ #define NETVSC_PACKET_MAXPAGE 4 -// Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame within the RNDIS +/* + * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame + * within the RNDIS + */ typedef struct _NETVSC_PACKET { - // Bookkeeping stuff + /* Bookkeeping stuff */ DLIST_ENTRY ListEntry; DEVICE_OBJECT *Device; bool IsDataPacket; - // Valid only for receives when we break a xfer page packet into multiple netvsc packets + /* + * Valid only for receives when we break a xfer page packet + * into multiple netvsc packets + */ XFERPAGE_PACKET *XferPagePacket; union { @@ -90,40 +96,42 @@ typedef struct _NETVSC_PACKET { } Send; } Completion; - // This points to the memory after PageBuffers + /* This points to the memory after PageBuffers */ void * Extension; u32 TotalDataBufferLength; - // Points to the send/receive buffer where the ethernet frame is + /* Points to the send/receive buffer where the ethernet frame is */ u32 PageBufferCount; PAGE_BUFFER PageBuffers[NETVSC_PACKET_MAXPAGE]; } NETVSC_PACKET; -// Represents the net vsc driver +/* Represents the net vsc driver */ typedef struct _NETVSC_DRIVER_OBJECT { - DRIVER_OBJECT Base; // Must be the first field + DRIVER_OBJECT Base; /* Must be the first field */ u32 RingBufferSize; u32 RequestExtSize; - // Additional num of page buffers to allocate + /* Additional num of page buffers to allocate */ u32 AdditionalRequestPageBufferCount; - // This is set by the caller to allow us to callback when we receive a packet - // from the "wire" + /* + * This is set by the caller to allow us to callback when we + * receive a packet from the "wire" + */ PFN_ON_RECVCALLBACK OnReceiveCallback; PFN_ON_LINKSTATUS_CHANGED OnLinkStatusChanged; - // Specific to this driver + /* Specific to this driver */ PFN_ON_OPEN OnOpen; PFN_ON_CLOSE OnClose; PFN_ON_SEND OnSend; - //PFN_ON_RECVCOMPLETION OnReceiveCompletion; + /* PFN_ON_RECVCOMPLETION OnReceiveCompletion; */ - //PFN_QUERY_LINKSTATUS QueryLinkStatus; + /* PFN_QUERY_LINKSTATUS QueryLinkStatus; */ void* Context; } NETVSC_DRIVER_OBJECT; @@ -131,15 +139,15 @@ typedef struct _NETVSC_DRIVER_OBJECT { typedef struct _NETVSC_DEVICE_INFO { unsigned char MacAddr[6]; - bool LinkState; // 0 - link up, 1 - link down + bool LinkState; /* 0 - link up, 1 - link down */ } NETVSC_DEVICE_INFO; -// -// Interface -// + +/* Interface */ + int NetVscInitialize( DRIVER_OBJECT* drv ); -#endif // _NETVSC_API_H_ +#endif /* _NETVSC_API_H_ */ diff --git a/drivers/staging/hv/include/StorVscApi.h b/drivers/staging/hv/include/StorVscApi.h index f50fee7bafd..785506b1364 100644 --- a/drivers/staging/hv/include/StorVscApi.h +++ b/drivers/staging/hv/include/StorVscApi.h @@ -27,33 +27,35 @@ #include "VmbusApi.h" -// -// Defines -// + +/* Defines */ + #define STORVSC_RING_BUFFER_SIZE 10*PAGE_SIZE #define BLKVSC_RING_BUFFER_SIZE 20*PAGE_SIZE #define STORVSC_MAX_IO_REQUESTS 64 -// In Hyper-V, each port/path/target maps to 1 scsi host adapter. -// In reality, the path/target is not used (ie always set to 0) so -// our scsi host adapter essentially has 1 bus with 1 target that contains -// up to 256 luns. +/* + * In Hyper-V, each port/path/target maps to 1 scsi host adapter. In + * reality, the path/target is not used (ie always set to 0) so our + * scsi host adapter essentially has 1 bus with 1 target that contains + * up to 256 luns. + */ #define STORVSC_MAX_LUNS_PER_TARGET 64 #define STORVSC_MAX_TARGETS 1 #define STORVSC_MAX_CHANNELS 1 -// Fwd decl -// -//struct VMBUS_CHANNEL; +/* Fwd decl */ + +/* struct VMBUS_CHANNEL; */ typedef struct _STORVSC_REQUEST* PSTORVSC_REQUEST; -// -// Data types -// + +/* Data types */ + typedef int (*PFN_ON_IO_REQUEST)(PDEVICE_OBJECT Device, PSTORVSC_REQUEST Request); typedef void (*PFN_ON_IO_REQUEST_COMPLTN)(PSTORVSC_REQUEST Request); @@ -61,7 +63,7 @@ typedef int (*PFN_ON_HOST_RESET)(PDEVICE_OBJECT Device); typedef void (*PFN_ON_HOST_RESCAN)(PDEVICE_OBJECT Device); -// Matches Windows-end +/* Matches Windows-end */ typedef enum _STORVSC_REQUEST_TYPE{ WRITE_TYPE, READ_TYPE, @@ -87,30 +89,30 @@ typedef struct _STORVSC_REQUEST { PFN_ON_IO_REQUEST_COMPLTN OnIOCompletion; - // This points to the memory after DataBuffer + /* This points to the memory after DataBuffer */ void * Extension; MULTIPAGE_BUFFER DataBuffer; } STORVSC_REQUEST; -// Represents the block vsc driver +/* Represents the block vsc driver */ typedef struct _STORVSC_DRIVER_OBJECT { - DRIVER_OBJECT Base; // Must be the first field + DRIVER_OBJECT Base; /* Must be the first field */ - // Set by caller (in bytes) + /* Set by caller (in bytes) */ u32 RingBufferSize; - // Allocate this much private extension for each I/O request + /* Allocate this much private extension for each I/O request */ u32 RequestExtSize; - // Maximum # of requests in flight per channel/device + /* Maximum # of requests in flight per channel/device */ u32 MaxOutstandingRequestsPerChannel; - // Set by the caller to allow us to re-enumerate the bus on the host + /* Set by the caller to allow us to re-enumerate the bus on the host */ PFN_ON_HOST_RESCAN OnHostRescan; - // Specific to this driver + /* Specific to this driver */ PFN_ON_IO_REQUEST OnIORequest; PFN_ON_HOST_RESET OnHostReset; @@ -122,9 +124,9 @@ typedef struct _STORVSC_DEVICE_INFO { unsigned char TargetId; } STORVSC_DEVICE_INFO; -// -// Interface -// + +/* Interface */ + int StorVscInitialize( DRIVER_OBJECT *Driver @@ -134,4 +136,4 @@ int BlkVscInitialize( DRIVER_OBJECT *Driver ); -#endif // _STORVSC_API_H_ +#endif /* _STORVSC_API_H_ */ diff --git a/drivers/staging/hv/include/VmbusApi.h b/drivers/staging/hv/include/VmbusApi.h index 40b8f1e43e0..b9862e54d5a 100644 --- a/drivers/staging/hv/include/VmbusApi.h +++ b/drivers/staging/hv/include/VmbusApi.h @@ -27,57 +27,57 @@ #include "osd.h" -// -// Defines -// + +/* Defines */ + #define MAX_PAGE_BUFFER_COUNT 16 -#define MAX_MULTIPAGE_BUFFER_COUNT 32 // 128K +#define MAX_MULTIPAGE_BUFFER_COUNT 32 /* 128K */ + + +/* Fwd declarations */ -// -// Fwd declarations -// typedef struct _DRIVER_OBJECT *PDRIVER_OBJECT; typedef struct _DEVICE_OBJECT *PDEVICE_OBJECT; -// -// Data types -// + +/* Data types */ + #pragma pack(push,1) -// Single-page buffer +/* Single-page buffer */ typedef struct _PAGE_BUFFER { u32 Length; u32 Offset; u64 Pfn; } PAGE_BUFFER; -// Multiple-page buffer +/* Multiple-page buffer */ typedef struct _MULTIPAGE_BUFFER { - // Length and Offset determines the # of pfns in the array + /* Length and Offset determines the # of pfns in the array */ u32 Length; u32 Offset; u64 PfnArray[MAX_MULTIPAGE_BUFFER_COUNT]; }MULTIPAGE_BUFFER; -//0x18 includes the proprietary packet header +/* 0x18 includes the proprietary packet header */ #define MAX_PAGE_BUFFER_PACKET (0x18 + (sizeof(PAGE_BUFFER) * MAX_PAGE_BUFFER_COUNT)) #define MAX_MULTIPAGE_BUFFER_PACKET (0x18 + sizeof(MULTIPAGE_BUFFER)) #pragma pack(pop) -// All drivers +/* All drivers */ typedef int (*PFN_ON_DEVICEADD)(PDEVICE_OBJECT Device, void* AdditionalInfo); typedef int (*PFN_ON_DEVICEREMOVE)(PDEVICE_OBJECT Device); typedef char** (*PFN_ON_GETDEVICEIDS)(void); typedef void (*PFN_ON_CLEANUP)(PDRIVER_OBJECT Driver); -// Vmbus extensions -//typedef int (*PFN_ON_MATCH)(PDEVICE_OBJECT dev, PDRIVER_OBJECT drv); -//typedef int (*PFN_ON_PROBE)(PDEVICE_OBJECT dev); +/* Vmbus extensions */ +/* typedef int (*PFN_ON_MATCH)(PDEVICE_OBJECT dev, PDRIVER_OBJECT drv); */ +/* typedef int (*PFN_ON_PROBE)(PDEVICE_OBJECT dev); */ typedef int (*PFN_ON_ISR)(PDRIVER_OBJECT drv); typedef void (*PFN_ON_DPC)(PDRIVER_OBJECT drv); typedef void (*PFN_GET_CHANNEL_OFFERS)(void); @@ -87,7 +87,7 @@ typedef void (*PFN_ON_CHILDDEVICE_DESTROY)(PDEVICE_OBJECT Device); typedef int (*PFN_ON_CHILDDEVICE_ADD)(PDEVICE_OBJECT RootDevice, PDEVICE_OBJECT ChildDevice); typedef void (*PFN_ON_CHILDDEVICE_REMOVE)(PDEVICE_OBJECT Device); -// Vmbus channel interface +/* Vmbus channel interface */ typedef void (*VMBUS_CHANNEL_CALLBACK)(void * context); typedef int (*VMBUS_CHANNEL_OPEN)( @@ -148,8 +148,8 @@ typedef int (*VMBUS_CHANNEL_RECV_PACKET_PAW)( typedef int (*VMBUS_CHANNEL_ESTABLISH_GPADL)( PDEVICE_OBJECT Device, - void * Buffer, // from kmalloc() - u32 BufferLen, // page-size multiple + void * Buffer, /* from kmalloc() */ + u32 BufferLen, /* page-size multiple */ u32* GpadlHandle ); @@ -203,44 +203,44 @@ typedef struct _VMBUS_CHANNEL_INTERFACE { typedef void (*VMBUS_GET_CHANNEL_INTERFACE)(VMBUS_CHANNEL_INTERFACE *Interface); -// Base driver object +/* Base driver object */ typedef struct _DRIVER_OBJECT { const char* name; - GUID deviceType; // the device type supported by this driver + GUID deviceType; /* the device type supported by this driver */ PFN_ON_DEVICEADD OnDeviceAdd; PFN_ON_DEVICEREMOVE OnDeviceRemove; - PFN_ON_GETDEVICEIDS OnGetDeviceIds; // device ids supported by this driver + PFN_ON_GETDEVICEIDS OnGetDeviceIds; /* device ids supported by this driver */ PFN_ON_CLEANUP OnCleanup; VMBUS_CHANNEL_INTERFACE VmbusChannelInterface; } DRIVER_OBJECT; -// Base device object +/* Base device object */ typedef struct _DEVICE_OBJECT { - DRIVER_OBJECT* Driver; // the driver for this device + DRIVER_OBJECT* Driver; /* the driver for this device */ char name[64]; - GUID deviceType; // the device type id of this device - GUID deviceInstance; // the device instance id of this device + GUID deviceType; /* the device type id of this device */ + GUID deviceInstance; /* the device instance id of this device */ void* context; - void* Extension; // Device extension; + void* Extension; /* Device extension; */ } DEVICE_OBJECT; -// Vmbus driver object +/* Vmbus driver object */ typedef struct _VMBUS_DRIVER_OBJECT { - DRIVER_OBJECT Base; // !! Must be the 1st field !! + DRIVER_OBJECT Base; /* !! Must be the 1st field !! */ - // Set by the caller + /* Set by the caller */ PFN_ON_CHILDDEVICE_CREATE OnChildDeviceCreate; PFN_ON_CHILDDEVICE_DESTROY OnChildDeviceDestroy; PFN_ON_CHILDDEVICE_ADD OnChildDeviceAdd; PFN_ON_CHILDDEVICE_REMOVE OnChildDeviceRemove; - // Set by the callee - //PFN_ON_MATCH OnMatch; - //PFN_ON_PROBE OnProbe; + /* Set by the callee */ + /* PFN_ON_MATCH OnMatch; */ + /* PFN_ON_PROBE OnProbe; */ PFN_ON_ISR OnIsr; PFN_ON_DPC OnMsgDpc; PFN_ON_DPC OnEventDpc; @@ -251,12 +251,12 @@ typedef struct _VMBUS_DRIVER_OBJECT { } VMBUS_DRIVER_OBJECT; -// -// Interface -// + +/* Interface */ + int VmbusInitialize( DRIVER_OBJECT* drv ); -#endif // _VMBUS_API_H_ +#endif /* _VMBUS_API_H_ */ diff --git a/drivers/staging/hv/include/VmbusChannelInterface.h b/drivers/staging/hv/include/VmbusChannelInterface.h index ead74f28b54..881c22d4c0e 100644 --- a/drivers/staging/hv/include/VmbusChannelInterface.h +++ b/drivers/staging/hv/include/VmbusChannelInterface.h @@ -23,42 +23,42 @@ #pragma once -// allow nameless unions -//#pragma warning(disable : 4201) +/* allow nameless unions */ +/* #pragma warning(disable : 4201) */ + + +/* A revision number of vmbus that is used for ensuring both ends on a */ +/* partition are using compatible versions. */ -// -// A revision number of vmbus that is used for ensuring both ends on a -// partition are using compatible versions. -// #define VMBUS_REVISION_NUMBER 13 -// -// Make maximum size of pipe payload of 16K -// -#define MAX_PIPE_DATA_PAYLOAD (sizeof(BYTE) * 16384) -// -// Define PipeMode values. -// +/* Make maximum size of pipe payload of 16K */ + +#define MAX_PIPE_DATA_PAYLOAD (sizeof(BYTE) * 16384) + + +/* Define PipeMode values. */ + #define VMBUS_PIPE_TYPE_BYTE 0x00000000 #define VMBUS_PIPE_TYPE_MESSAGE 0x00000004 -// -// The size of the user defined data buffer for non-pipe offers. -// + +/* The size of the user defined data buffer for non-pipe offers. */ + #define MAX_USER_DEFINED_BYTES 120 -// -// The size of the user defined data buffer for pipe offers. -// + +/* The size of the user defined data buffer for pipe offers. */ + #define MAX_PIPE_USER_DEFINED_BYTES 116 -// -// At the center of the Channel Management library is -// the Channel Offer. This struct contains the -// fundamental information about an offer. -// + +/* At the center of the Channel Management library is */ +/* the Channel Offer. This struct contains the */ +/* fundamental information about an offer. */ + #pragma pack(push,1) typedef struct @@ -68,30 +68,30 @@ typedef struct GUID InterfaceInstance; u64 InterruptLatencyIn100nsUnits; u32 InterfaceRevision; - u32 ServerContextAreaSize; // in bytes + u32 ServerContextAreaSize; /* in bytes */ u16 ChannelFlags; - u16 MmioMegabytes; // in bytes * 1024 * 1024 + u16 MmioMegabytes; /* in bytes * 1024 * 1024 */ union { - // - // Non-pipes: The user has MAX_USER_DEFINED_BYTES bytes. - // - struct - { - unsigned char UserDefined[MAX_USER_DEFINED_BYTES]; - } Standard; - - // - // Pipes: The following sructure is an integrated pipe protocol, which - // is implemented on top of standard user-defined data. Pipe clients - // have MAX_PIPE_USER_DEFINED_BYTES left for their own use. - // - struct - { - u32 PipeMode; - unsigned char UserDefined[MAX_PIPE_USER_DEFINED_BYTES]; - } Pipe; + + /* Non-pipes: The user has MAX_USER_DEFINED_BYTES bytes. */ + + struct + { + unsigned char UserDefined[MAX_USER_DEFINED_BYTES]; + } Standard; + + + /* Pipes: The following sructure is an integrated pipe protocol, which */ + /* is implemented on top of standard user-defined data. Pipe clients */ + /* have MAX_PIPE_USER_DEFINED_BYTES left for their own use. */ + + struct + { + u32 PipeMode; + unsigned char UserDefined[MAX_PIPE_USER_DEFINED_BYTES]; + } Pipe; } u; u32 Padding; } VMBUS_CHANNEL_OFFER, *PVMBUS_CHANNEL_OFFER; @@ -100,9 +100,9 @@ typedef struct typedef u32 GPADL_HANDLE; -// -// Server Flags -// + +/* Server Flags */ + #define VMBUS_CHANNEL_ENUMERATE_DEVICE_INTERFACE 1 #define VMBUS_CHANNEL_SERVER_SUPPORTS_TRANSFER_PAGES 2 @@ -112,11 +112,10 @@ typedef u32 GPADL_HANDLE; #define VMBUS_CHANNEL_PARENT_OFFER 0x200 #define VMBUS_CHANNEL_REQUEST_MONITORED_NOTIFICATION 0x400 -// -// TEMPTEMP -- move this next define to devioctl.h some day -// + +/* TEMPTEMP -- move this next define to devioctl.h some day */ + #ifndef FILE_DEVICE_VMBUS #define FILE_DEVICE_VMBUS 0x0000003E #endif - diff --git a/drivers/staging/hv/include/VmbusPacketFormat.h b/drivers/staging/hv/include/VmbusPacketFormat.h index 9689f941e8d..f6600a99551 100644 --- a/drivers/staging/hv/include/VmbusPacketFormat.h +++ b/drivers/staging/hv/include/VmbusPacketFormat.h @@ -24,33 +24,33 @@ #pragma once -//#ifndef PAGE_SIZE -//#if defined(_IA64_) -//#error This does not work for IA64 -//#else -//#define PAGE_SIZE 0x1000 -//#endif -//#endif +/* #ifndef PAGE_SIZE */ +/* #if defined(_IA64_) */ +/* #error This does not work for IA64 */ +/* #else */ +/* #define PAGE_SIZE 0x1000 */ +/* #endif */ +/* #endif */ -// allow nameless unions -//#pragma warning(disable : 4201) +/* allow nameless unions */ +/* #pragma warning(disable : 4201) */ typedef struct { union { - struct - { - volatile u32 In; // Offset in bytes from the ring base - volatile u32 Out; // Offset in bytes from the ring base - }; - volatile long long InOut; + struct + { + volatile u32 In; /* Offset in bytes from the ring base */ + volatile u32 Out; /* Offset in bytes from the ring base */ + }; + volatile long long InOut; }; - // - // If the receiving endpoint sets this to some non-zero value, the sending - // endpoint should not send any interrupts. - // + + /* If the receiving endpoint sets this to some non-zero value, the sending */ + /* endpoint should not send any interrupts. */ + volatile u32 InterruptMask; @@ -60,18 +60,18 @@ typedef struct { union { - struct - { - VMRCB Control; - }; + struct + { + VMRCB Control; + }; - u8 Reserved[PAGE_SIZE]; + u8 Reserved[PAGE_SIZE]; }; - // - // Beginning of the ring data. Note: It must be guaranteed that - // this data does not share a page with the control structure. - // + + /* Beginning of the ring data. Note: It must be guaranteed that */ + /* this data does not share a page with the control structure. */ + u8 Data[1]; } VMRING, *PVMRING; @@ -159,10 +159,10 @@ typedef struct _VMADD_REMOVE_TRANSFER_PAGE_SET { #pragma pack(pop) -// -// This structure defines a range in guest physical space that can be made -// to look virtually contiguous. -// + +/* This structure defines a range in guest physical space that can be made */ +/* to look virtually contiguous. */ + typedef struct _GPA_RANGE { @@ -176,13 +176,13 @@ typedef struct _GPA_RANGE { #pragma pack(push, 1) -// -// This is the format for an Establish Gpadl packet, which contains a handle -// by which this GPADL will be known and a set of GPA ranges associated with -// it. This can be converted to a MDL by the guest OS. If there are multiple -// GPA ranges, then the resulting MDL will be "chained," representing multiple -// VA ranges. -// + +/* This is the format for an Establish Gpadl packet, which contains a handle */ +/* by which this GPADL will be known and a set of GPA ranges associated with */ +/* it. This can be converted to a MDL by the guest OS. If there are multiple */ +/* GPA ranges, then the resulting MDL will be "chained," representing multiple */ +/* VA ranges. */ + #ifdef __cplusplus @@ -203,10 +203,10 @@ typedef struct _VMESTABLISH_GPADL { } VMESTABLISH_GPADL, *PVMESTABLISH_GPADL; -// -// This is the format for a Teardown Gpadl packet, which indicates that the -// GPADL handle in the Establish Gpadl packet will never be referenced again. -// + +/* This is the format for a Teardown Gpadl packet, which indicates that the */ +/* GPADL handle in the Establish Gpadl packet will never be referenced again. */ + #ifdef __cplusplus @@ -221,14 +221,14 @@ typedef struct _VMTEARDOWN_GPADL { #endif u32 Gpadl; - u32 Reserved; // for alignment to a 8-byte boundary + u32 Reserved; /* for alignment to a 8-byte boundary */ } VMTEARDOWN_GPADL, *PVMTEARDOWN_GPADL; -// -// This is the format for a GPA-Direct packet, which contains a set of GPA -// ranges, in addition to commands and/or data. -// + +/* This is the format for a GPA-Direct packet, which contains a set of GPA */ +/* ranges, in addition to commands and/or data. */ + #ifdef __cplusplus @@ -250,9 +250,9 @@ typedef struct _VMDATA_GPA_DIRECT { -// -// This is the format for a Additional Data Packet. -// + +/* This is the format for a Additional Data Packet. */ + #ifdef __cplusplus @@ -318,5 +318,3 @@ typedef enum { } VMBUS_PACKET_TYPE, *PVMBUS_PACKET_TYPE; #define VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED 1 - - diff --git a/drivers/staging/hv/include/logging.h b/drivers/staging/hv/include/logging.h index f77c5172eb2..8609269ca19 100644 --- a/drivers/staging/hv/include/logging.h +++ b/drivers/staging/hv/include/logging.h @@ -25,8 +25,8 @@ #ifndef _LOGGING_H_ #define _LOGGING_H_ -//#include <linux/init.h> -//#include <linux/module.h> +/* #include <linux/init.h> */ +/* #include <linux/module.h> */ #include "osd.h" @@ -52,7 +52,7 @@ INPUTVSC_DRV|\ BLKVSC_DRV) -// Logging Level +/* Logging Level */ #define ERROR_LVL 3 #define WARNING_LVL 4 #define INFO_LVL 6 @@ -117,4 +117,4 @@ extern unsigned int vmbus_loglevel; #define DPRINT_EXIT(mod) #endif -#endif //_LOGGING_H_ +#endif /* _LOGGING_H_ */ diff --git a/drivers/staging/hv/include/nvspprotocol.h b/drivers/staging/hv/include/nvspprotocol.h index 702f904ee8d..2ee9dbf0899 100644 --- a/drivers/staging/hv/include/nvspprotocol.h +++ b/drivers/staging/hv/include/nvspprotocol.h @@ -36,17 +36,17 @@ typedef enum _NVSP_MESSAGE_TYPE { NvspMessageTypeNone = 0, - // - // Init Messages - // + + /* Init Messages */ + NvspMessageTypeInit = 1, NvspMessageTypeInitComplete = 2, NvspVersionMessageStart = 100, - // - // Version 1 Messages - // + + /* Version 1 Messages */ + NvspMessage1TypeSendNdisVersion = NvspVersionMessageStart, NvspMessage1TypeSendReceiveBuffer, @@ -60,10 +60,10 @@ typedef enum _NVSP_MESSAGE_TYPE NvspMessage1TypeSendRNDISPacket, NvspMessage1TypeSendRNDISPacketComplete, - // - // This should be set to the number of messages for the version - // with the maximum number of messages. - // + + /* This should be set to the number of messages for the version */ + /* with the maximum number of messages. */ + NvspNumMessagePerVersion = 9, } NVSP_MESSAGE_TYPE, *PNVSP_MESSAGE_TYPE; @@ -87,27 +87,27 @@ typedef struct _NVSP_MESSAGE_HEADER u32 MessageType; } NVSP_MESSAGE_HEADER, *PNVSP_MESSAGE_HEADER; -// -// Init Messages -// -// -// This message is used by the VSC to initialize the channel -// after the channels has been opened. This message should -// never include anything other then versioning (i.e. this -// message will be the same for ever). -// +/* Init Messages */ + + + +/* This message is used by the VSC to initialize the channel */ +/* after the channels has been opened. This message should */ +/* never include anything other then versioning (i.e. this */ +/* message will be the same for ever). */ + typedef struct _NVSP_MESSAGE_INIT { u32 MinProtocolVersion; u32 MaxProtocolVersion; } NVSP_MESSAGE_INIT, *PNVSP_MESSAGE_INIT; -// -// This message is used by the VSP to complete the initialization -// of the channel. This message should never include anything other -// then versioning (i.e. this message will be the same for ever). -// + +/* This message is used by the VSP to complete the initialization */ +/* of the channel. This message should never include anything other */ +/* then versioning (i.e. this message will be the same for ever). */ + typedef struct _NVSP_MESSAGE_INIT_COMPLETE { u32 NegotiatedProtocolVersion; @@ -121,26 +121,26 @@ typedef union _NVSP_MESSAGE_INIT_UBER NVSP_MESSAGE_INIT_COMPLETE InitComplete; } NVSP_MESSAGE_INIT_UBER; -// -// Version 1 Messages -// -// -// This message is used by the VSC to send the NDIS version -// to the VSP. The VSP can use this information when handling -// OIDs sent by the VSC. -// +/* Version 1 Messages */ + + + +/* This message is used by the VSC to send the NDIS version */ +/* to the VSP. The VSP can use this information when handling */ +/* OIDs sent by the VSC. */ + typedef struct _NVSP_1_MESSAGE_SEND_NDIS_VERSION { u32 NdisMajorVersion; u32 NdisMinorVersion; } NVSP_1_MESSAGE_SEND_NDIS_VERSION, *PNVSP_1_MESSAGE_SEND_NDIS_VERSION; -// -// This message is used by the VSC to send a receive buffer -// to the VSP. The VSP can then use the receive buffer to -// send data to the VSC. -// + +/* This message is used by the VSC to send a receive buffer */ +/* to the VSP. The VSP can then use the receive buffer to */ +/* send data to the VSC. */ + typedef struct _NVSP_1_MESSAGE_SEND_RECEIVE_BUFFER { GPADL_HANDLE GpadlHandle; @@ -155,117 +155,117 @@ typedef struct _NVSP_1_RECEIVE_BUFFER_SECTION u32 EndOffset; } NVSP_1_RECEIVE_BUFFER_SECTION, *PNVSP_1_RECEIVE_BUFFER_SECTION; -// -// This message is used by the VSP to acknowledge a receive -// buffer send by the VSC. This message must be sent by the -// VSP before the VSP uses the receive buffer. -// + +/* This message is used by the VSP to acknowledge a receive */ +/* buffer send by the VSC. This message must be sent by the */ +/* VSP before the VSP uses the receive buffer. */ + typedef struct _NVSP_1_MESSAGE_SEND_RECEIVE_BUFFER_COMPLETE { u32 Status; u32 NumSections; - // - // The receive buffer is split into two parts, a large - // suballocation section and a small suballocation - // section. These sections are then suballocated by a - // certain size. - // - // For example, the following break up of the receive - // buffer has 6 large suballocations and 10 small - // suballocations. - // - // | Large Section | | Small Section | - // ------------------------------------------------------------ - // | | | | | | | | | | | | | | | | | | - // | | - // LargeOffset SmallOffset - // + + /* The receive buffer is split into two parts, a large */ + /* suballocation section and a small suballocation */ + /* section. These sections are then suballocated by a */ + /* certain size. */ + + /* For example, the following break up of the receive */ + /* buffer has 6 large suballocations and 10 small */ + /* suballocations. */ + + /* | Large Section | | Small Section | */ + /* ------------------------------------------------------------ */ + /* | | | | | | | | | | | | | | | | | | */ + /* | | */ + /* LargeOffset SmallOffset */ + NVSP_1_RECEIVE_BUFFER_SECTION Sections[1]; } NVSP_1_MESSAGE_SEND_RECEIVE_BUFFER_COMPLETE, *PNVSP_1_MESSAGE_SEND_RECEIVE_BUFFER_COMPLETE; -// -// This message is sent by the VSC to revoke the receive buffer. -// After the VSP completes this transaction, the vsp should never -// use the receive buffer again. -// + +/* This message is sent by the VSC to revoke the receive buffer. */ +/* After the VSP completes this transaction, the vsp should never */ +/* use the receive buffer again. */ + typedef struct _NVSP_1_MESSAGE_REVOKE_RECEIVE_BUFFER { u16 Id; } NVSP_1_MESSAGE_REVOKE_RECEIVE_BUFFER, *PNVSP_1_MESSAGE_REVOKE_RECEIVE_BUFFER; -// -// This message is used by the VSC to send a send buffer -// to the VSP. The VSC can then use the send buffer to -// send data to the VSP. -// + +/* This message is used by the VSC to send a send buffer */ +/* to the VSP. The VSC can then use the send buffer to */ +/* send data to the VSP. */ + typedef struct _NVSP_1_MESSAGE_SEND_SEND_BUFFER { GPADL_HANDLE GpadlHandle; u16 Id; } NVSP_1_MESSAGE_SEND_SEND_BUFFER, *PNVSP_1_MESSAGE_SEND_SEND_BUFFER; -// -// This message is used by the VSP to acknowledge a send -// buffer sent by the VSC. This message must be sent by the -// VSP before the VSP uses the sent buffer. -// + +/* This message is used by the VSP to acknowledge a send */ +/* buffer sent by the VSC. This message must be sent by the */ +/* VSP before the VSP uses the sent buffer. */ + typedef struct _NVSP_1_MESSAGE_SEND_SEND_BUFFER_COMPLETE { u32 Status; - // - // The VSC gets to choose the size of the send buffer and - // the VSP gets to choose the sections size of the buffer. - // This was done to enable dynamic reconfigurations when - // the cost of GPA-direct buffers decreases. - // + + /* The VSC gets to choose the size of the send buffer and */ + /* the VSP gets to choose the sections size of the buffer. */ + /* This was done to enable dynamic reconfigurations when */ + /* the cost of GPA-direct buffers decreases. */ + u32 SectionSize; } NVSP_1_MESSAGE_SEND_SEND_BUFFER_COMPLETE, *PNVSP_1_MESSAGE_SEND_SEND_BUFFER_COMPLETE; -// -// This message is sent by the VSC to revoke the send buffer. -// After the VSP completes this transaction, the vsp should never -// use the send buffer again. -// + +/* This message is sent by the VSC to revoke the send buffer. */ +/* After the VSP completes this transaction, the vsp should never */ +/* use the send buffer again. */ + typedef struct _NVSP_1_MESSAGE_REVOKE_SEND_BUFFER { u16 Id; } NVSP_1_MESSAGE_REVOKE_SEND_BUFFER, *PNVSP_1_MESSAGE_REVOKE_SEND_BUFFER; -// -// This message is used by both the VSP and the VSC to send -// a RNDIS message to the opposite channel endpoint. -// + +/* This message is used by both the VSP and the VSC to send */ +/* a RNDIS message to the opposite channel endpoint. */ + typedef struct _NVSP_1_MESSAGE_SEND_RNDIS_PACKET { - // - // This field is specified by RNIDS. They assume there's - // two different channels of communication. However, - // the Network VSP only has one. Therefore, the channel - // travels with the RNDIS packet. - // + + /* This field is specified by RNIDS. They assume there's */ + /* two different channels of communication. However, */ + /* the Network VSP only has one. Therefore, the channel */ + /* travels with the RNDIS packet. */ + u32 ChannelType; - // - // This field is used to send part or all of the data - // through a send buffer. This values specifies an - // index into the send buffer. If the index is - // 0xFFFFFFFF, then the send buffer is not being used - // and all of the data was sent through other VMBus - // mechanisms. - // + + /* This field is used to send part or all of the data */ + /* through a send buffer. This values specifies an */ + /* index into the send buffer. If the index is */ + /* 0xFFFFFFFF, then the send buffer is not being used */ + /* and all of the data was sent through other VMBus */ + /* mechanisms. */ + u32 SendBufferSectionIndex; u32 SendBufferSectionSize; } NVSP_1_MESSAGE_SEND_RNDIS_PACKET, *PNVSP_1_MESSAGE_SEND_RNDIS_PACKET; -// -// This message is used by both the VSP and the VSC to complete -// a RNDIS message to the opposite channel endpoint. At this -// point, the initiator of this message cannot use any resources -// associated with the original RNDIS packet. -// + +/* This message is used by both the VSP and the VSC to complete */ +/* a RNDIS message to the opposite channel endpoint. At this */ +/* point, the initiator of this message cannot use any resources */ +/* associated with the original RNDIS packet. */ + typedef struct _NVSP_1_MESSAGE_SEND_RNDIS_PACKET_COMPLETE { u32 Status; @@ -294,9 +294,9 @@ typedef union _NVSP_ALL_MESSAGES } NVSP_ALL_MESSAGES; -// -// ALL Messages -// + +/* ALL Messages */ + typedef struct _NVSP_MESSAGE { NVSP_MESSAGE_HEADER Header; diff --git a/drivers/staging/hv/include/osd.h b/drivers/staging/hv/include/osd.h index 3878a2fe77b..faae7cc5ec0 100644 --- a/drivers/staging/hv/include/osd.h +++ b/drivers/staging/hv/include/osd.h @@ -25,9 +25,9 @@ #ifndef _OSD_H_ #define _OSD_H_ -// -// Defines -// + +/* Defines */ + #define ALIGN_UP(value, align) ( ((value) & (align-1))? ( ((value) + (align-1)) & ~(align-1) ): (value) ) @@ -42,10 +42,10 @@ typedef struct _DLIST_ENTRY { struct _DLIST_ENTRY *Blink; } DLIST_ENTRY; -// -// Other types -// -//typedef unsigned char GUID[16]; + +/* Other types */ + +/* typedef unsigned char GUID[16]; */ typedef void* HANDLE; typedef struct { @@ -95,9 +95,9 @@ static inline void do_cpuid(unsigned int op, unsigned int *eax, unsigned int *eb __asm__ __volatile__("cpuid" : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx) : "0" (op), "c" (ecx)); } -// -// Osd routines -// + +/* Osd routines */ + extern void BitSet(unsigned int* addr, int value); extern void BitClear(unsigned int* addr, int value); extern int BitTest(unsigned int* addr, int value); @@ -127,7 +127,7 @@ extern void WaitEventClose(HANDLE hWait); extern void WaitEventSet(HANDLE hWait); extern int WaitEventWait(HANDLE hWait); -// If >0, hWait got signaled. If ==0, timeout. If < 0, error +/* If >0, hWait got signaled. If ==0, timeout. If < 0, error */ extern int WaitEventWaitEx(HANDLE hWait, u32 TimeoutInMs); @@ -149,4 +149,4 @@ extern int WorkQueueQueueWorkItem(HANDLE hWorkQueue, PFN_WORKITEM_CALLBACK workI extern void QueueWorkItem(PFN_WORKITEM_CALLBACK workItem, void* context); -#endif // _OSD_H_ +#endif /* _OSD_H_ */ diff --git a/drivers/staging/hv/include/rndis.h b/drivers/staging/hv/include/rndis.h index baabd0ad8ec..58fd4eb4f1f 100644 --- a/drivers/staging/hv/include/rndis.h +++ b/drivers/staging/hv/include/rndis.h @@ -25,9 +25,9 @@ #ifndef _RNDIS_H_ #define _RNDIS_H_ -// -// Basic types -// + +/* Basic types */ + typedef u32 RNDIS_REQUEST_ID; typedef u32 RNDIS_HANDLE; typedef u32 RNDIS_STATUS; @@ -44,9 +44,9 @@ typedef u32 *PRNDIS_CLASS_ID; typedef u32 *PRNDIS_MEDIUM; typedef u32 RNDIS_AF; -// -// Status codes -// + +/* Status codes */ + #ifndef STATUS_SUCCESS #define STATUS_SUCCESS (0x00000000L) @@ -150,13 +150,13 @@ typedef u32 RNDIS_AF; #define RNDIS_STATUS_TOKEN_RING_OPEN_ERROR ((RNDIS_STATUS)0xC0011000L) -// -// Object Identifiers used by NdisRequest Query/Set Information -// -// -// General Objects -// +/* Object Identifiers used by NdisRequest Query/Set Information */ + + + +/* General Objects */ + #define RNDIS_OID_GEN_SUPPORTED_LIST 0x00010101 #define RNDIS_OID_GEN_HARDWARE_STATUS 0x00010102 @@ -210,10 +210,10 @@ typedef u32 RNDIS_AF; #define RNDIS_OID_GEN_GET_TIME_CAPS 0x0002020F #define RNDIS_OID_GEN_GET_NETCARD_TIME 0x00020210 -// -// These are connection-oriented general OIDs. -// These replace the above OIDs for connection-oriented media. -// + +/* These are connection-oriented general OIDs. */ +/* These replace the above OIDs for connection-oriented media. */ + #define RNDIS_OID_GEN_CO_SUPPORTED_LIST 0x00010101 #define RNDIS_OID_GEN_CO_HARDWARE_STATUS 0x00010102 #define RNDIS_OID_GEN_CO_MEDIA_SUPPORTED 0x00010103 @@ -231,9 +231,9 @@ typedef u32 RNDIS_AF; #define RNDIS_OID_GEN_CO_GET_TIME_CAPS 0x00010201 #define RNDIS_OID_GEN_CO_GET_NETCARD_TIME 0x00010202 -// -// These are connection-oriented statistics OIDs. -// + +/* These are connection-oriented statistics OIDs. */ + #define RNDIS_OID_GEN_CO_XMIT_PDUS_OK 0x00020101 #define RNDIS_OID_GEN_CO_RCV_PDUS_OK 0x00020102 #define RNDIS_OID_GEN_CO_XMIT_PDUS_ERROR 0x00020103 @@ -248,9 +248,9 @@ typedef u32 RNDIS_AF; #define RNDIS_OID_GEN_CO_BYTES_XMIT_OUTSTANDING 0x00020205 #define RNDIS_OID_GEN_CO_NETCARD_LOAD 0x00020206 -// -// These are objects for Connection-oriented media call-managers. -// + +/* These are objects for Connection-oriented media call-managers. */ + #define RNDIS_OID_CO_ADD_PVC 0xFF000001 #define RNDIS_OID_CO_DELETE_PVC 0xFF000002 #define RNDIS_OID_CO_GET_CALL_INFORMATION 0xFF000003 @@ -262,9 +262,9 @@ typedef u32 RNDIS_AF; #define RNDIS_OID_CO_SIGNALING_DISABLED 0xFF000009 -// -// 802.3 Objects (Ethernet) -// + +/* 802.3 Objects (Ethernet) */ + #define RNDIS_OID_802_3_PERMANENT_ADDRESS 0x01010101 #define RNDIS_OID_802_3_CURRENT_ADDRESS 0x01010102 @@ -272,8 +272,8 @@ typedef u32 RNDIS_AF; #define RNDIS_OID_802_3_MAXIMUM_LIST_SIZE 0x01010104 #define RNDIS_OID_802_3_MAC_OPTIONS 0x01010105 -// -// + + #define NDIS_802_3_MAC_OPTION_PRIORITY 0x00000001 #define RNDIS_OID_802_3_RCV_ERROR_ALIGNMENT 0x01020101 @@ -289,9 +289,9 @@ typedef u32 RNDIS_AF; #define RNDIS_OID_802_3_XMIT_LATE_COLLISIONS 0x01020207 -// -// Remote NDIS message types -// + +/* Remote NDIS message types */ + #define REMOTE_NDIS_PACKET_MSG 0x00000001 #define REMOTE_NDIS_INITIALIZE_MSG 0x00000002 #define REMOTE_NDIS_HALT_MSG 0x00000003 @@ -308,7 +308,7 @@ typedef u32 RNDIS_AF; #define REMOTE_CONDIS_INDICATE_STATUS_MSG 0x00008007 -// Remote NDIS message completion types +/* Remote NDIS message completion types */ #define REMOTE_NDIS_INITIALIZE_CMPLT 0x80000002 #define REMOTE_NDIS_QUERY_CMPLT 0x80000004 #define REMOTE_NDIS_SET_CMPLT 0x80000005 @@ -320,24 +320,24 @@ typedef u32 RNDIS_AF; #define REMOTE_CONDIS_MP_ACTIVATE_VC_CMPLT 0x80008005 #define REMOTE_CONDIS_MP_DEACTIVATE_VC_CMPLT 0x80008006 -// -// Reserved message type for private communication between lower-layer -// host driver and remote device, if necessary. -// + +/* Reserved message type for private communication between lower-layer */ +/* host driver and remote device, if necessary. */ + #define REMOTE_NDIS_BUS_MSG 0xff000001 -// -// Defines for DeviceFlags in RNDIS_INITIALIZE_COMPLETE -// + +/* Defines for DeviceFlags in RNDIS_INITIALIZE_COMPLETE */ + #define RNDIS_DF_CONNECTIONLESS 0x00000001 #define RNDIS_DF_CONNECTION_ORIENTED 0x00000002 #define RNDIS_DF_RAW_DATA 0x00000004 -// -// Remote NDIS medium types. -// + +/* Remote NDIS medium types. */ + #define RNdisMedium802_3 0x00000000 #define RNdisMedium802_5 0x00000001 #define RNdisMediumFddi 0x00000002 @@ -349,23 +349,23 @@ typedef u32 RNDIS_AF; #define RNdisMediumWirelessWan 0x00000009 #define RNdisMediumIrda 0x0000000a #define RNdisMediumCoWan 0x0000000b -#define RNdisMediumMax 0x0000000d // Not a real medium, defined as an upper-bound +#define RNdisMediumMax 0x0000000d /* Not a real medium, defined as an upper-bound */ + + +/* Remote NDIS medium connection states. */ -// -// Remote NDIS medium connection states. -// #define RNdisMediaStateConnected 0x00000000 #define RNdisMediaStateDisconnected 0x00000001 -// -// Remote NDIS version numbers -// + +/* Remote NDIS version numbers */ + #define RNDIS_MAJOR_VERSION 0x00000001 #define RNDIS_MINOR_VERSION 0x00000000 -// -// NdisInitialize message -// + +/* NdisInitialize message */ + typedef struct _RNDIS_INITIALIZE_REQUEST { RNDIS_REQUEST_ID RequestId; @@ -375,9 +375,9 @@ typedef struct _RNDIS_INITIALIZE_REQUEST } RNDIS_INITIALIZE_REQUEST, *PRNDIS_INITIALIZE_REQUEST; -// -// Response to NdisInitialize -// + +/* Response to NdisInitialize */ + typedef struct _RNDIS_INITIALIZE_COMPLETE { RNDIS_REQUEST_ID RequestId; @@ -394,10 +394,10 @@ typedef struct _RNDIS_INITIALIZE_COMPLETE } RNDIS_INITIALIZE_COMPLETE, *PRNDIS_INITIALIZE_COMPLETE; -// -// Call manager devices only: Information about an address family -// supported by the device is appended to the response to NdisInitialize. -// + +/* Call manager devices only: Information about an address family */ +/* supported by the device is appended to the response to NdisInitialize. */ + typedef struct _RNDIS_CO_ADDRESS_FAMILY { RNDIS_AF AddressFamily; @@ -406,18 +406,18 @@ typedef struct _RNDIS_CO_ADDRESS_FAMILY } RNDIS_CO_ADDRESS_FAMILY, *PRNDIS_CO_ADDRESS_FAMILY; -// -// NdisHalt message -// + +/* NdisHalt message */ + typedef struct _RNDIS_HALT_REQUEST { RNDIS_REQUEST_ID RequestId; } RNDIS_HALT_REQUEST, *PRNDIS_HALT_REQUEST; -// -// NdisQueryRequest message -// + +/* NdisQueryRequest message */ + typedef struct _RNDIS_QUERY_REQUEST { RNDIS_REQUEST_ID RequestId; @@ -428,9 +428,9 @@ typedef struct _RNDIS_QUERY_REQUEST } RNDIS_QUERY_REQUEST, *PRNDIS_QUERY_REQUEST; -// -// Response to NdisQueryRequest -// + +/* Response to NdisQueryRequest */ + typedef struct _RNDIS_QUERY_COMPLETE { RNDIS_REQUEST_ID RequestId; @@ -440,9 +440,9 @@ typedef struct _RNDIS_QUERY_COMPLETE } RNDIS_QUERY_COMPLETE, *PRNDIS_QUERY_COMPLETE; -// -// NdisSetRequest message -// + +/* NdisSetRequest message */ + typedef struct _RNDIS_SET_REQUEST { RNDIS_REQUEST_ID RequestId; @@ -453,9 +453,9 @@ typedef struct _RNDIS_SET_REQUEST } RNDIS_SET_REQUEST, *PRNDIS_SET_REQUEST; -// -// Response to NdisSetRequest -// + +/* Response to NdisSetRequest */ + typedef struct _RNDIS_SET_COMPLETE { RNDIS_REQUEST_ID RequestId; @@ -463,17 +463,17 @@ typedef struct _RNDIS_SET_COMPLETE } RNDIS_SET_COMPLETE, *PRNDIS_SET_COMPLETE; -// -// NdisReset message -// + +/* NdisReset message */ + typedef struct _RNDIS_RESET_REQUEST { u32 Reserved; } RNDIS_RESET_REQUEST, *PRNDIS_RESET_REQUEST; -// -// Response to NdisReset -// + +/* Response to NdisReset */ + typedef struct _RNDIS_RESET_COMPLETE { RNDIS_STATUS Status; @@ -481,9 +481,9 @@ typedef struct _RNDIS_RESET_COMPLETE } RNDIS_RESET_COMPLETE, *PRNDIS_RESET_COMPLETE; -// -// NdisMIndicateStatus message -// + +/* NdisMIndicateStatus message */ + typedef struct _RNDIS_INDICATE_STATUS { RNDIS_STATUS Status; @@ -492,10 +492,10 @@ typedef struct _RNDIS_INDICATE_STATUS } RNDIS_INDICATE_STATUS, *PRNDIS_INDICATE_STATUS; -// -// Diagnostic information passed as the status buffer in -// RNDIS_INDICATE_STATUS messages signifying error conditions. -// + +/* Diagnostic information passed as the status buffer in */ +/* RNDIS_INDICATE_STATUS messages signifying error conditions. */ + typedef struct _RNDIS_DIAGNOSTIC_INFO { RNDIS_STATUS DiagStatus; @@ -504,18 +504,18 @@ typedef struct _RNDIS_DIAGNOSTIC_INFO -// -// NdisKeepAlive message -// + +/* NdisKeepAlive message */ + typedef struct _RNDIS_KEEPALIVE_REQUEST { RNDIS_REQUEST_ID RequestId; } RNDIS_KEEPALIVE_REQUEST, *PRNDIS_KEEPALIVE_REQUEST; -// -// Response to NdisKeepAlive -// + +/* Response to NdisKeepAlive */ + typedef struct _RNDIS_KEEPALIVE_COMPLETE { RNDIS_REQUEST_ID RequestId; @@ -523,12 +523,12 @@ typedef struct _RNDIS_KEEPALIVE_COMPLETE } RNDIS_KEEPALIVE_COMPLETE, *PRNDIS_KEEPALIVE_COMPLETE; -// -// Data message. All Offset fields contain byte offsets from the beginning -// of the RNDIS_PACKET structure. All Length fields are in bytes. -// VcHandle is set to 0 for connectionless data, otherwise it -// contains the VC handle. -// + +/* Data message. All Offset fields contain byte offsets from the beginning */ +/* of the RNDIS_PACKET structure. All Length fields are in bytes. */ +/* VcHandle is set to 0 for connectionless data, otherwise it */ +/* contains the VC handle. */ + typedef struct _RNDIS_PACKET { u32 DataOffset; @@ -542,9 +542,9 @@ typedef struct _RNDIS_PACKET u32 Reserved; } RNDIS_PACKET, *PRNDIS_PACKET; -// -// Optional Out of Band data associated with a Data message. -// + +/* Optional Out of Band data associated with a Data message. */ + typedef struct _RNDIS_OOBD { u32 Size; @@ -552,9 +552,9 @@ typedef struct _RNDIS_OOBD u32 ClassInformationOffset; } RNDIS_OOBD, *PRNDIS_OOBD; -// -// Packet extension field contents associated with a Data message. -// + +/* Packet extension field contents associated with a Data message. */ + typedef struct _RNDIS_PER_PACKET_INFO { u32 Size; @@ -563,10 +563,10 @@ typedef struct _RNDIS_PER_PACKET_INFO } RNDIS_PER_PACKET_INFO, *PRNDIS_PER_PACKET_INFO; -// -// Format of Information buffer passed in a SetRequest for the OID -// OID_GEN_RNDIS_CONFIG_PARAMETER. -// + +/* Format of Information buffer passed in a SetRequest for the OID */ +/* OID_GEN_RNDIS_CONFIG_PARAMETER. */ + typedef struct _RNDIS_CONFIG_PARAMETER_INFO { u32 ParameterNameOffset; @@ -576,30 +576,30 @@ typedef struct _RNDIS_CONFIG_PARAMETER_INFO u32 ParameterValueLength; } RNDIS_CONFIG_PARAMETER_INFO, *PRNDIS_CONFIG_PARAMETER_INFO; -// -// Values for ParameterType in RNDIS_CONFIG_PARAMETER_INFO -// + +/* Values for ParameterType in RNDIS_CONFIG_PARAMETER_INFO */ + #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2 -// -// CONDIS Miniport messages for connection oriented devices -// that do not implement a call manager. -// -// -// CoNdisMiniportCreateVc message -// +/* CONDIS Miniport messages for connection oriented devices */ +/* that do not implement a call manager. */ + + + +/* CoNdisMiniportCreateVc message */ + typedef struct _RCONDIS_MP_CREATE_VC { RNDIS_REQUEST_ID RequestId; RNDIS_HANDLE NdisVcHandle; } RCONDIS_MP_CREATE_VC, *PRCONDIS_MP_CREATE_VC; -// -// Response to CoNdisMiniportCreateVc -// + +/* Response to CoNdisMiniportCreateVc */ + typedef struct _RCONDIS_MP_CREATE_VC_COMPLETE { RNDIS_REQUEST_ID RequestId; @@ -608,18 +608,18 @@ typedef struct _RCONDIS_MP_CREATE_VC_COMPLETE } RCONDIS_MP_CREATE_VC_COMPLETE, *PRCONDIS_MP_CREATE_VC_COMPLETE; -// -// CoNdisMiniportDeleteVc message -// + +/* CoNdisMiniportDeleteVc message */ + typedef struct _RCONDIS_MP_DELETE_VC { RNDIS_REQUEST_ID RequestId; RNDIS_HANDLE DeviceVcHandle; } RCONDIS_MP_DELETE_VC, *PRCONDIS_MP_DELETE_VC; -// -// Response to CoNdisMiniportDeleteVc -// + +/* Response to CoNdisMiniportDeleteVc */ + typedef struct _RCONDIS_MP_DELETE_VC_COMPLETE { RNDIS_REQUEST_ID RequestId; @@ -627,9 +627,9 @@ typedef struct _RCONDIS_MP_DELETE_VC_COMPLETE } RCONDIS_MP_DELETE_VC_COMPLETE, *PRCONDIS_MP_DELETE_VC_COMPLETE; -// -// CoNdisMiniportQueryRequest message -// + +/* CoNdisMiniportQueryRequest message */ + typedef struct _RCONDIS_MP_QUERY_REQUEST { RNDIS_REQUEST_ID RequestId; @@ -641,9 +641,9 @@ typedef struct _RCONDIS_MP_QUERY_REQUEST } RCONDIS_MP_QUERY_REQUEST, *PRCONDIS_MP_QUERY_REQUEST; -// -// CoNdisMiniportSetRequest message -// + +/* CoNdisMiniportSetRequest message */ + typedef struct _RCONDIS_MP_SET_REQUEST { RNDIS_REQUEST_ID RequestId; @@ -655,9 +655,9 @@ typedef struct _RCONDIS_MP_SET_REQUEST } RCONDIS_MP_SET_REQUEST, *PRCONDIS_MP_SET_REQUEST; -// -// CoNdisIndicateStatus message -// + +/* CoNdisIndicateStatus message */ + typedef struct _RCONDIS_INDICATE_STATUS { RNDIS_HANDLE NdisVcHandle; @@ -667,9 +667,9 @@ typedef struct _RCONDIS_INDICATE_STATUS } RCONDIS_INDICATE_STATUS, *PRCONDIS_INDICATE_STATUS; -// -// CONDIS Call/VC parameters -// + +/* CONDIS Call/VC parameters */ + typedef struct _RCONDIS_SPECIFIC_PARAMETERS { @@ -706,9 +706,9 @@ typedef struct _RCONDIS_CALL_MANAGER_PARAMETERS RCONDIS_SPECIFIC_PARAMETERS CallMgrSpecific; } RCONDIS_CALL_MANAGER_PARAMETERS, *PRCONDIS_CALL_MANAGER_PARAMETERS; -// -// CoNdisMiniportActivateVc message -// + +/* CoNdisMiniportActivateVc message */ + typedef struct _RCONDIS_MP_ACTIVATE_VC_REQUEST { RNDIS_REQUEST_ID RequestId; @@ -720,9 +720,9 @@ typedef struct _RCONDIS_MP_ACTIVATE_VC_REQUEST u32 CallMgrParamsLength; } RCONDIS_MP_ACTIVATE_VC_REQUEST, *PRCONDIS_MP_ACTIVATE_VC_REQUEST; -// -// Response to CoNdisMiniportActivateVc -// + +/* Response to CoNdisMiniportActivateVc */ + typedef struct _RCONDIS_MP_ACTIVATE_VC_COMPLETE { RNDIS_REQUEST_ID RequestId; @@ -730,9 +730,9 @@ typedef struct _RCONDIS_MP_ACTIVATE_VC_COMPLETE } RCONDIS_MP_ACTIVATE_VC_COMPLETE, *PRCONDIS_MP_ACTIVATE_VC_COMPLETE; -// -// CoNdisMiniportDeactivateVc message -// + +/* CoNdisMiniportDeactivateVc message */ + typedef struct _RCONDIS_MP_DEACTIVATE_VC_REQUEST { RNDIS_REQUEST_ID RequestId; @@ -740,9 +740,9 @@ typedef struct _RCONDIS_MP_DEACTIVATE_VC_REQUEST RNDIS_HANDLE DeviceVcHandle; } RCONDIS_MP_DEACTIVATE_VC_REQUEST, *PRCONDIS_MP_DEACTIVATE_VC_REQUEST; -// -// Response to CoNdisMiniportDeactivateVc -// + +/* Response to CoNdisMiniportDeactivateVc */ + typedef struct _RCONDIS_MP_DEACTIVATE_VC_COMPLETE { RNDIS_REQUEST_ID RequestId; @@ -750,9 +750,9 @@ typedef struct _RCONDIS_MP_DEACTIVATE_VC_COMPLETE } RCONDIS_MP_DEACTIVATE_VC_COMPLETE, *PRCONDIS_MP_DEACTIVATE_VC_COMPLETE; -// -// union with all of the RNDIS messages -// + +/* union with all of the RNDIS messages */ + typedef union _RNDIS_MESSAGE_CONTAINER { RNDIS_PACKET Packet; @@ -781,56 +781,56 @@ typedef union _RNDIS_MESSAGE_CONTAINER } RNDIS_MESSAGE_CONTAINER, *PRNDIS_MESSAGE_CONTAINER; -// -// Remote NDIS message format -// + +/* Remote NDIS message format */ + typedef __struct_bcount(MessageLength) struct _RNDIS_MESSAGE { u32 NdisMessageType; - // - // Total length of this message, from the beginning - // of the RNDIS_MESSAGE struct, in bytes. - // + + /* Total length of this message, from the beginning */ + /* of the RNDIS_MESSAGE struct, in bytes. */ + u32 MessageLength; - // Actual message + /* Actual message */ RNDIS_MESSAGE_CONTAINER Message; } RNDIS_MESSAGE, *PRNDIS_MESSAGE; -// -// Handy macros -// get the size of an RNDIS message. Pass in the message type, -// RNDIS_SET_REQUEST, RNDIS_PACKET for example +/* Handy macros */ + +/* get the size of an RNDIS message. Pass in the message type, */ +/* RNDIS_SET_REQUEST, RNDIS_PACKET for example */ #define RNDIS_MESSAGE_SIZE(Message) \ (sizeof(Message) + (sizeof(RNDIS_MESSAGE) - sizeof(RNDIS_MESSAGE_CONTAINER))) -// get pointer to info buffer with message pointer +/* get pointer to info buffer with message pointer */ #define MESSAGE_TO_INFO_BUFFER(Message) \ (((unsigned char *)(Message)) + Message->InformationBufferOffset) -// get pointer to status buffer with message pointer +/* get pointer to status buffer with message pointer */ #define MESSAGE_TO_STATUS_BUFFER(Message) \ (((unsigned char *)(Message)) + Message->StatusBufferOffset) -// get pointer to OOBD buffer with message pointer +/* get pointer to OOBD buffer with message pointer */ #define MESSAGE_TO_OOBD_BUFFER(Message) \ (((unsigned char *)(Message)) + Message->OOBDataOffset) -// get pointer to data buffer with message pointer +/* get pointer to data buffer with message pointer */ #define MESSAGE_TO_DATA_BUFFER(Message) \ (((unsigned char *)(Message)) + Message->PerPacketInfoOffset) -// get pointer to contained message from NDIS_MESSAGE pointer +/* get pointer to contained message from NDIS_MESSAGE pointer */ #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(RndisMessage) \ ((void *) &RndisMessage->Message) -// get pointer to contained message from NDIS_MESSAGE pointer +/* get pointer to contained message from NDIS_MESSAGE pointer */ #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(RndisMessage) \ ((void *) RndisMessage) -#endif // _RNDIS_H_ +#endif /* _RNDIS_H_ */ diff --git a/drivers/staging/hv/include/vmbus.h b/drivers/staging/hv/include/vmbus.h index 62ddc1d643f..463f77ef3cd 100644 --- a/drivers/staging/hv/include/vmbus.h +++ b/drivers/staging/hv/include/vmbus.h @@ -29,9 +29,9 @@ #include "VmbusApi.h" -// -// Data types -// + +/* Data types */ + typedef int (*PFN_DRIVERINITIALIZE)(DRIVER_OBJECT *drv); typedef int (*PFN_DRIVEREXIT)(DRIVER_OBJECT *drv); @@ -41,7 +41,7 @@ struct driver_context { struct device_driver driver; - // Use these methods instead of the struct device_driver so 2.6 kernel stops complaining + /* Use these methods instead of the struct device_driver so 2.6 kernel stops complaining */ int (*probe)(struct device *); int (*remove)(struct device *); void (*shutdown)(struct device *); @@ -57,13 +57,13 @@ struct device_context { }; -// -// Global -// -// -// Inlines -// +/* Global */ + + + +/* Inlines */ + static inline struct device_context *to_device_context(DEVICE_OBJECT *device_obj) { return container_of(device_obj, struct device_context, device_obj); @@ -79,9 +79,9 @@ static inline struct driver_context *driver_to_driver_context(struct device_driv return container_of(driver, struct driver_context, driver); } -// -// Vmbus interface -// + +/* Vmbus interface */ + void vmbus_child_driver_register( struct driver_context* driver_ctx @@ -97,4 +97,4 @@ vmbus_get_interface( VMBUS_CHANNEL_INTERFACE *interface ); -#endif // _VMBUS_H_ +#endif /* _VMBUS_H_ */ diff --git a/drivers/staging/hv/include/vstorage.h b/drivers/staging/hv/include/vstorage.h index ada1f649e9e..33646e76da7 100644 --- a/drivers/staging/hv/include/vstorage.h +++ b/drivers/staging/hv/include/vstorage.h @@ -24,28 +24,28 @@ #pragma once -//#include <vmbuspacketformat.h> -//#include <ntddscsi.h> +/* #include <vmbuspacketformat.h> */ +/* #include <ntddscsi.h> */ #define C_ASSERT(x) -// -// public interface to the server -// -// -// Storvsp device interface guid -// +/* public interface to the server */ -// -// Protocol versions. -// -// -// vstorage.w revision number. This is used in the case of a version match, -// to alert the user that structure sizes may be mismatched even though the -// protocol versions match. -// +/* Storvsp device interface guid */ + + + + +/* Protocol versions. */ + + + +/* vstorage.w revision number. This is used in the case of a version match, */ +/* to alert the user that structure sizes may be mismatched even though the */ +/* protocol versions match. */ + #define REVISION_STRING(REVISION_) #REVISION_ #define FILL_VMSTOR_REVISION(RESULT_LVALUE_) \ @@ -54,53 +54,53 @@ RESULT_LVALUE_ = 0; \ while (*revisionString >= '0' && *revisionString <= '9') \ { \ - RESULT_LVALUE_ *= 10; \ - RESULT_LVALUE_ += *revisionString - '0'; \ - revisionString++; \ + RESULT_LVALUE_ *= 10; \ + RESULT_LVALUE_ += *revisionString - '0'; \ + revisionString++; \ } \ } -// -// Major/minor macros. Minor version is in LSB, meaning that earlier flat -// version numbers will be interpreted as "0.x" (i.e., 1 becomes 0.1). -// + +/* Major/minor macros. Minor version is in LSB, meaning that earlier flat */ +/* version numbers will be interpreted as "0.x" (i.e., 1 becomes 0.1). */ + #define VMSTOR_PROTOCOL_MAJOR(VERSION_) (((VERSION_) >> 8) & 0xff) #define VMSTOR_PROTOCOL_MINOR(VERSION_) (((VERSION_) ) & 0xff) #define VMSTOR_PROTOCOL_VERSION(MAJOR_, MINOR_) ((((MAJOR_) & 0xff) << 8) | \ - (((MINOR_) & 0xff) )) + (((MINOR_) & 0xff) )) + + +/* Invalid version. */ -// -// Invalid version. -// #define VMSTOR_INVALID_PROTOCOL_VERSION -1 -// -// Version history: -// V1 Beta 0.1 -// V1 RC < 2008/1/31 1.0 -// V1 RC > 2008/1/31 2.0 -// + +/* Version history: */ +/* V1 Beta 0.1 */ +/* V1 RC < 2008/1/31 1.0 */ +/* V1 RC > 2008/1/31 2.0 */ + #define VMSTOR_PROTOCOL_VERSION_CURRENT VMSTOR_PROTOCOL_VERSION(2, 0) -// -// This will get replaced with the max transfer length that is possible on -// the host adapter. -// The max transfer length will be published when we offer a vmbus channel. -// + +/* This will get replaced with the max transfer length that is possible on */ +/* the host adapter. */ +/* The max transfer length will be published when we offer a vmbus channel. */ + #define MAX_TRANSFER_LENGTH 0x40000 #define DEFAULT_PACKET_SIZE (sizeof(VMDATA_GPA_DIRECT) + \ - sizeof(VSTOR_PACKET) + \ - (sizeof(u64) * (MAX_TRANSFER_LENGTH / PAGE_SIZE))) + sizeof(VSTOR_PACKET) + \ + (sizeof(u64) * (MAX_TRANSFER_LENGTH / PAGE_SIZE))) + + +/* Packet structure describing virtual storage requests. */ -// -// Packet structure describing virtual storage requests. -// typedef enum { @@ -119,11 +119,11 @@ typedef enum } VSTOR_PACKET_OPERATION; -// -// Platform neutral description of a scsi request - -// this remains the same across the write regardless of 32/64 bit -// note: it's patterned off the SCSI_PASS_THROUGH structure -// + +/* Platform neutral description of a scsi request - */ +/* this remains the same across the write regardless of 32/64 bit */ +/* note: it's patterned off the SCSI_PASS_THROUGH structure */ + #pragma pack(push,1) @@ -159,11 +159,11 @@ typedef struct union { - unsigned char Cdb[CDB16GENERIC_LENGTH]; + unsigned char Cdb[CDB16GENERIC_LENGTH]; - unsigned char SenseData[SENSE_BUFFER_SIZE]; + unsigned char SenseData[SENSE_BUFFER_SIZE]; - unsigned char ReservedArray[MAX_DATA_BUFFER_LENGTH_WITH_PADDING]; + unsigned char ReservedArray[MAX_DATA_BUFFER_LENGTH_WITH_PADDING]; }; } VMSCSI_REQUEST, *PVMSCSI_REQUEST; @@ -171,10 +171,10 @@ typedef struct C_ASSERT((sizeof(VMSCSI_REQUEST) % 4) == 0); -// -// This structure is sent during the intialization phase to get the different -// properties of the channel. -// + +/* This structure is sent during the intialization phase to get the different */ +/* properties of the channel. */ + typedef struct { @@ -182,19 +182,19 @@ typedef struct unsigned char PathId; unsigned char TargetId; - // - // Note: port number is only really known on the client side - // + + /* Note: port number is only really known on the client side */ + unsigned int PortNumber; unsigned int Flags; unsigned int MaxTransferBytes; - // - // This id is unique for each channel and will correspond with - // vendor specific data in the inquirydata - // + + /* This id is unique for each channel and will correspond with */ + /* vendor specific data in the inquirydata */ + unsigned long long UniqueId; @@ -203,24 +203,24 @@ typedef struct C_ASSERT((sizeof(VMSTORAGE_CHANNEL_PROPERTIES) % 4) == 0); -// -// This structure is sent during the storage protocol negotiations. -// + +/* This structure is sent during the storage protocol negotiations. */ + typedef struct { - // - // Major (MSW) and minor (LSW) version numbers. - // + + /* Major (MSW) and minor (LSW) version numbers. */ + unsigned short MajorMinor; - // - // Revision number is auto-incremented whenever this file is changed - // (See FILL_VMSTOR_REVISION macro above). Mismatch does not definitely - // indicate incompatibility--but it does indicate mismatched builds. - // + + /* Revision number is auto-incremented whenever this file is changed */ + /* (See FILL_VMSTOR_REVISION macro above). Mismatch does not definitely */ + /* indicate incompatibility--but it does indicate mismatched builds. */ + unsigned short Revision; @@ -229,9 +229,9 @@ typedef struct C_ASSERT((sizeof(VMSTORAGE_PROTOCOL_VERSION) % 4) == 0); -// -// Channel Property Flags -// + +/* Channel Property Flags */ + #define STORAGE_CHANNEL_REMOVABLE_FLAG 0x1 #define STORAGE_CHANNEL_EMULATED_IDE_FLAG 0x2 @@ -239,71 +239,69 @@ C_ASSERT((sizeof(VMSTORAGE_PROTOCOL_VERSION) % 4) == 0); typedef struct _VSTOR_PACKET { - // - // Requested operation type - // + + /* Requested operation type */ + VSTOR_PACKET_OPERATION Operation; - // - // Flags - see below for values - // + + /* Flags - see below for values */ + unsigned int Flags; - // - // Status of the request returned from the server side. - // + + /* Status of the request returned from the server side. */ + unsigned int Status; - // - // Data payload area - // + + /* Data payload area */ + union { - // - // Structure used to forward SCSI commands from the client to the server. - // - VMSCSI_REQUEST VmSrb; + /* Structure used to forward SCSI commands from the client to the server. */ - // - // Structure used to query channel properties. - // - VMSTORAGE_CHANNEL_PROPERTIES StorageChannelProperties; + VMSCSI_REQUEST VmSrb; - // - // Used during version negotiations. - // - VMSTORAGE_PROTOCOL_VERSION Version; + /* Structure used to query channel properties. */ + + + VMSTORAGE_CHANNEL_PROPERTIES StorageChannelProperties; + + + /* Used during version negotiations. */ + + + VMSTORAGE_PROTOCOL_VERSION Version; }; } VSTOR_PACKET, *PVSTOR_PACKET; C_ASSERT((sizeof(VSTOR_PACKET) % 4) == 0); -// -// Packet flags -// -// -// This flag indicates that the server should send back a completion for this -// packet. -// +/* Packet flags */ + + + +/* This flag indicates that the server should send back a completion for this */ +/* packet. */ + #define REQUEST_COMPLETION_FLAG 0x1 -// -// This is the set of flags that the vsc can set in any packets it sends -// -#define VSC_LEGAL_FLAGS (REQUEST_COMPLETION_FLAG) +/* This is the set of flags that the vsc can set in any packets it sends */ -#pragma pack(pop) +#define VSC_LEGAL_FLAGS (REQUEST_COMPLETION_FLAG) +#pragma pack(pop) diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c index 20adcc6cbdd..8cf552a33e5 100644 --- a/drivers/staging/hv/netvsc_drv.c +++ b/drivers/staging/hv/netvsc_drv.c @@ -43,9 +43,9 @@ MODULE_LICENSE("GPL"); -// -// Static decl -// + +/* Static decl */ + static int netvsc_probe(struct device *device); static int netvsc_remove(struct device *device); static int netvsc_open(struct net_device *net); @@ -56,32 +56,32 @@ static int netvsc_close(struct net_device *net); static struct net_device_stats *netvsc_get_stats(struct net_device *net); static void netvsc_linkstatus_callback(DEVICE_OBJECT *device_obj, unsigned int status); -// -// Data types -// + +/* Data types */ + struct net_device_context { - struct device_context *device_ctx; // point back to our device context + struct device_context *device_ctx; /* point back to our device context */ struct net_device_stats stats; }; struct netvsc_driver_context { - // !! These must be the first 2 fields !! + /* !! These must be the first 2 fields !! */ struct driver_context drv_ctx; NETVSC_DRIVER_OBJECT drv_obj; }; -// -// Globals -// + +/* Globals */ + static int netvsc_ringbuffer_size = NETVSC_DEVICE_RING_BUFFER_SIZE; -// The one and only one +/* The one and only one */ static struct netvsc_driver_context g_netvsc_drv; -// -// Routines -// + +/* Routines */ + /*++ @@ -104,7 +104,7 @@ int netvsc_drv_init(PFN_DRIVERINITIALIZE pfn_drv_init) net_drv_obj->OnReceiveCallback = netvsc_recv_callback; net_drv_obj->OnLinkStatusChanged = netvsc_linkstatus_callback; - // Callback to client driver to complete the initialization + /* Callback to client driver to complete the initialization */ pfn_drv_init(&net_drv_obj->Base); drv_ctx->driver.name = net_drv_obj->Base.name; @@ -113,7 +113,7 @@ int netvsc_drv_init(PFN_DRIVERINITIALIZE pfn_drv_init) drv_ctx->probe = netvsc_probe; drv_ctx->remove = netvsc_remove; - // The driver belongs to vmbus + /* The driver belongs to vmbus */ vmbus_child_driver_register(drv_ctx); DPRINT_EXIT(NETVSC_DRV); @@ -186,13 +186,13 @@ static int netvsc_probe(struct device *device) } net = alloc_netdev(sizeof(struct net_device_context), "seth%d", ether_setup); - //net = alloc_etherdev(sizeof(struct net_device_context)); + /* net = alloc_etherdev(sizeof(struct net_device_context)); */ if (!net) { return -1; } - // Set initial state + /* Set initial state */ netif_carrier_off(net); netif_stop_queue(net); @@ -200,7 +200,7 @@ static int netvsc_probe(struct device *device) net_device_ctx->device_ctx = device_ctx; dev_set_drvdata(device, net); - // Notify the netvsc driver of the new device + /* Notify the netvsc driver of the new device */ ret = net_drv_obj->Base.OnDeviceAdd(device_obj, (void*)&device_info); if (ret != 0) { @@ -211,8 +211,8 @@ static int netvsc_probe(struct device *device) return ret; } - // If carrier is still off ie we did not get a link status callback, update it if necessary - // FIXME: We should use a atomic or test/set instead to avoid getting out of sync with the device's link status + /* If carrier is still off ie we did not get a link status callback, update it if necessary */ + /* FIXME: We should use a atomic or test/set instead to avoid getting out of sync with the device's link status */ if (!netif_carrier_ok(net)) { if (!device_info.LinkState) @@ -230,7 +230,7 @@ static int netvsc_probe(struct device *device) ret = register_netdev(net); if (ret != 0) { - // Remove the device and release the resource + /* Remove the device and release the resource */ net_drv_obj->Base.OnDeviceRemove(device_obj); free_netdev(net); } @@ -266,17 +266,17 @@ static int netvsc_remove(struct device *device) return -1; } - // Stop outbound asap + /* Stop outbound asap */ netif_stop_queue(net); - //netif_carrier_off(net); + /* netif_carrier_off(net); */ unregister_netdev(net); - // Call to the vsc driver to let it know that the device is being removed + /* Call to the vsc driver to let it know that the device is being removed */ ret = net_drv_obj->Base.OnDeviceRemove(device_obj); if (ret != 0) { - // TODO: + /* TODO: */ DPRINT_ERR(NETVSC, "unable to remove vsc device (ret %d)", ret); } @@ -310,7 +310,7 @@ static int netvsc_open(struct net_device *net) { memset(&net_device_ctx->stats, 0 , sizeof(struct net_device_stats)); - // Open up the device + /* Open up the device */ ret = net_drv_obj->OnOpen(device_obj); if (ret != 0) { @@ -418,16 +418,16 @@ static int netvsc_start_xmit (struct sk_buff *skb, struct net_device *net) DPRINT_ENTER(NETVSC_DRV); - // Support only 1 chain of frags + /* Support only 1 chain of frags */ ASSERT(skb_shinfo(skb)->frag_list == NULL); ASSERT(skb->dev == net); DPRINT_DBG(NETVSC_DRV, "xmit packet - len %d data_len %d", skb->len, skb->data_len); - // Add 1 for skb->data and any additional ones requested + /* Add 1 for skb->data and any additional ones requested */ num_frags = skb_shinfo(skb)->nr_frags + 1 + net_drv_obj->AdditionalRequestPageBufferCount; - // Allocate a netvsc packet based on # of frags. + /* Allocate a netvsc packet based on # of frags. */ packet = kzalloc(sizeof(NETVSC_PACKET) + (num_frags * sizeof(PAGE_BUFFER)) + net_drv_obj->RequestExtSize, GFP_ATOMIC); if (!packet) { @@ -437,17 +437,17 @@ static int netvsc_start_xmit (struct sk_buff *skb, struct net_device *net) packet->Extension = (void*)(unsigned long)packet + sizeof(NETVSC_PACKET) + (num_frags * sizeof(PAGE_BUFFER)) ; - // Setup the rndis header + /* Setup the rndis header */ packet->PageBufferCount = num_frags; - // TODO: Flush all write buffers/ memory fence ??? - //wmb(); + /* TODO: Flush all write buffers/ memory fence ??? */ + /* wmb(); */ - // Initialize it from the skb + /* Initialize it from the skb */ ASSERT(skb->data); packet->TotalDataBufferLength = skb->len; - // Start filling in the page buffers starting at AdditionalRequestPageBufferCount offset + /* Start filling in the page buffers starting at AdditionalRequestPageBufferCount offset */ packet->PageBuffers[net_drv_obj->AdditionalRequestPageBufferCount].Pfn = virt_to_phys(skb->data) >> PAGE_SHIFT; packet->PageBuffers[net_drv_obj->AdditionalRequestPageBufferCount].Offset = (unsigned long)skb->data & (PAGE_SIZE -1); packet->PageBuffers[net_drv_obj->AdditionalRequestPageBufferCount].Length = skb->len - skb->data_len; @@ -461,7 +461,7 @@ static int netvsc_start_xmit (struct sk_buff *skb, struct net_device *net) packet->PageBuffers[i].Length = skb_shinfo(skb)->frags[i-(net_drv_obj->AdditionalRequestPageBufferCount+1)].size; } - // Set the completion routine + /* Set the completion routine */ packet->Completion.Send.OnSendCompletion = netvsc_xmit_completion; packet->Completion.Send.SendCompletionContext = packet; packet->Completion.Send.SendCompletionTid = (unsigned long)skb; @@ -485,7 +485,7 @@ retry_send: goto retry_send; } - // no more room or we are shutting down + /* no more room or we are shutting down */ DPRINT_ERR(NETVSC_DRV, "unable to send (%d)...marking net device (%p) busy", ret, net); DPRINT_INFO(NETVSC_DRV, "net device (%p) stopping", net); @@ -494,10 +494,10 @@ retry_send: netif_stop_queue(net); - // Null it since the caller will free it instead of the completion routine + /* Null it since the caller will free it instead of the completion routine */ packet->Completion.Send.SendCompletionTid = 0; - // Release the resources since we will not get any send completion + /* Release the resources since we will not get any send completion */ netvsc_xmit_completion((void*)packet); } @@ -571,18 +571,18 @@ static int netvsc_recv_callback(DEVICE_OBJECT *device_obj, NETVSC_PACKET* packet net_device_ctx = netdev_priv(net); - // Allocate a skb - TODO preallocate this - //skb = alloc_skb(packet->TotalDataBufferLength, GFP_ATOMIC); - skb = dev_alloc_skb(packet->TotalDataBufferLength + 2); // Pad 2-bytes to align IP header to 16 bytes + /* Allocate a skb - TODO preallocate this */ + /* skb = alloc_skb(packet->TotalDataBufferLength, GFP_ATOMIC); */ + skb = dev_alloc_skb(packet->TotalDataBufferLength + 2); /* Pad 2-bytes to align IP header to 16 bytes */ ASSERT(skb); skb_reserve(skb, 2); skb->dev = net; - // for kmap_atomic + /* for kmap_atomic */ local_irq_save(flags); - // Copy to skb. This copy is needed here since the memory pointed by NETVSC_PACKET - // cannot be deallocated + /* Copy to skb. This copy is needed here since the memory pointed by NETVSC_PACKET */ + /* cannot be deallocated */ for (i=0; i<packet->PageBufferCount; i++) { data = kmap_atomic(pfn_to_page(packet->PageBuffers[i].Pfn), KM_IRQ1); @@ -599,7 +599,7 @@ static int netvsc_recv_callback(DEVICE_OBJECT *device_obj, NETVSC_PACKET* packet skb->ip_summed = CHECKSUM_NONE; - // Pass the skb back up. Network stack will deallocate the skb when it is done + /* Pass the skb back up. Network stack will deallocate the skb when it is done */ ret = netif_rx(skb); switch (ret) @@ -624,7 +624,7 @@ static int netvsc_drv_exit_cb(struct device *dev, void *data) { struct device **curr = (struct device **)data; *curr = dev; - return 1; // stop iterating + return 1; /* stop iterating */ } /*++ @@ -647,13 +647,13 @@ void netvsc_drv_exit(void) { current_dev = NULL; - // Get the device + /* Get the device */ driver_for_each_device(&drv_ctx->driver, NULL, (void*)¤t_dev, netvsc_drv_exit_cb); if (current_dev == NULL) break; - // Initiate removal from the top-down + /* Initiate removal from the top-down */ DPRINT_INFO(NETVSC_DRV, "unregistering device (%p)...", current_dev); device_unregister(current_dev); diff --git a/drivers/staging/hv/osd.c b/drivers/staging/hv/osd.c index 3cc2bb3caac..442cc7de0f0 100644 --- a/drivers/staging/hv/osd.c +++ b/drivers/staging/hv/osd.c @@ -46,9 +46,9 @@ #include "include/osd.h" -// -// Data types -// + +/* Data types */ + typedef struct _TIMER { struct timer_list timer; PFN_TIMER_CALLBACK callback; @@ -113,7 +113,7 @@ int InterlockedDecrement(int *val) #endif int InterlockedCompareExchange(int *val, int new, int curr) { - //return ((int)cmpxchg(((atomic_t*)val), curr, new)); + /* return ((int)cmpxchg(((atomic_t*)val), curr, new)); */ return atomic_cmpxchg((atomic_t*)val, curr, new); } @@ -139,13 +139,13 @@ void* PageAlloc(unsigned int count) if (p) memset(p, 0, count * PAGE_SIZE); return p; - //struct page* page = alloc_page(GFP_KERNEL|__GFP_ZERO); - //void *p; + /* struct page* page = alloc_page(GFP_KERNEL|__GFP_ZERO); */ + /* void *p; */ - ////BUGBUG: We need to use kmap in case we are in HIMEM region - //p = page_address(page); - //if (p) memset(p, 0, PAGE_SIZE); - //return p; + /* BUGBUG: We need to use kmap in case we are in HIMEM region */ + /* p = page_address(page); */ + /* if (p) memset(p, 0, PAGE_SIZE); */ + /* return p; */ } void PageFree(void* page, unsigned int count) @@ -171,17 +171,17 @@ void *MemMapIO(unsigned long phys, unsigned long size) #if X2V_LINUX #ifdef __x86_64__ return (void*)(phys + 0xFFFF83000C000000); -#else // i386 +#else /* i386 */ return (void*)(phys + 0xfb000000); #endif #else - return (void*)GetVirtualAddress(phys); //return ioremap_nocache(phys, size); + return (void*)GetVirtualAddress(phys); /* return ioremap_nocache(phys, size); */ #endif } void MemUnmapIO(void *virt) { - //iounmap(virt); + /* iounmap(virt); */ } void TimerCallback(unsigned long data) diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c index b4a82eb001e..648708ab44e 100644 --- a/drivers/staging/hv/storvsc_drv.c +++ b/drivers/staging/hv/storvsc_drv.c @@ -41,16 +41,16 @@ #include "include/StorVscApi.h" -// -// #defines -// -// -// Data types -// +/* #defines */ + + + +/* Data types */ + struct host_device_context { - struct work_struct host_rescan_work; //must be 1st field - struct device_context *device_ctx; // point back to our device context + struct work_struct host_rescan_work; /* must be 1st field */ + struct device_context *device_ctx; /* point back to our device context */ struct kmem_cache *request_pool; unsigned int port; unsigned char path; @@ -65,17 +65,17 @@ struct storvsc_cmd_request { struct scatterlist *bounce_sgl; STORVSC_REQUEST request; - // !!!DO NOT ADD ANYTHING BELOW HERE!!! - // The extension buffer falls right here and is pointed to by request.Extension; + /* !!!DO NOT ADD ANYTHING BELOW HERE!!! */ + /* The extension buffer falls right here and is pointed to by request.Extension; */ }; struct storvsc_driver_context { - // !! These must be the first 2 fields !! + /* !! These must be the first 2 fields !! */ struct driver_context drv_ctx; STORVSC_DRIVER_OBJECT drv_obj; }; -// Static decl +/* Static decl */ static int storvsc_probe(struct device *dev); static int storvsc_queuecommand(struct scsi_cmnd *scmnd, void (*done)(struct scsi_cmnd *)); static int storvsc_device_alloc(struct scsi_device *); @@ -97,10 +97,10 @@ static int storvsc_get_chs(struct scsi_device *sdev, struct block_device * bdev, static int storvsc_ringbuffer_size = STORVSC_RING_BUFFER_SIZE; -// The one and only one +/* The one and only one */ static struct storvsc_driver_context g_storvsc_drv; -// Scsi driver +/* Scsi driver */ static struct scsi_host_template scsi_driver = { .module = THIS_MODULE, .name = "storvsc_host_t", @@ -110,15 +110,15 @@ static struct scsi_host_template scsi_driver = { .slave_alloc = storvsc_device_alloc, .slave_configure = storvsc_device_configure, .cmd_per_lun = 1, - .can_queue = STORVSC_MAX_IO_REQUESTS*STORVSC_MAX_TARGETS, // 64 max_queue * 1 target + .can_queue = STORVSC_MAX_IO_REQUESTS*STORVSC_MAX_TARGETS, /* 64 max_queue * 1 target */ .this_id = -1, - // no use setting to 0 since ll_blk_rw reset it to 1 - .sg_tablesize = MAX_MULTIPAGE_BUFFER_COUNT,// currently 32 - // ENABLE_CLUSTERING allows mutiple physically contig bio_vecs to merge into 1 sg element. If set, we must - // limit the max_segment_size to PAGE_SIZE, otherwise we may get 1 sg element that represents multiple - // physically contig pfns (ie sg[x].length > PAGE_SIZE). + /* no use setting to 0 since ll_blk_rw reset it to 1 */ + .sg_tablesize = MAX_MULTIPAGE_BUFFER_COUNT,/* currently 32 */ + /* ENABLE_CLUSTERING allows mutiple physically contig bio_vecs to merge into 1 sg element. If set, we must */ + /* limit the max_segment_size to PAGE_SIZE, otherwise we may get 1 sg element that represents multiple */ + /* physically contig pfns (ie sg[x].length > PAGE_SIZE). */ .use_clustering = ENABLE_CLUSTERING, - // Make sure we dont get a sg segment crosses a page boundary + /* Make sure we dont get a sg segment crosses a page boundary */ .dma_boundary = PAGE_SIZE-1, }; @@ -143,7 +143,7 @@ int storvsc_drv_init(PFN_DRIVERINITIALIZE pfn_drv_init) storvsc_drv_obj->RingBufferSize = storvsc_ringbuffer_size; storvsc_drv_obj->OnHostRescan = storvsc_host_rescan; - // Callback to client driver to complete the initialization + /* Callback to client driver to complete the initialization */ pfn_drv_init(&storvsc_drv_obj->Base); DPRINT_INFO(STORVSC_DRV, "request extension size %u, max outstanding reqs %u", storvsc_drv_obj->RequestExtSize, storvsc_drv_obj->MaxOutstandingRequestsPerChannel); @@ -161,7 +161,7 @@ int storvsc_drv_init(PFN_DRIVERINITIALIZE pfn_drv_init) drv_ctx->probe = storvsc_probe; drv_ctx->remove = storvsc_remove; - // The driver belongs to vmbus + /* The driver belongs to vmbus */ vmbus_child_driver_register(drv_ctx); DPRINT_EXIT(STORVSC_DRV); @@ -174,7 +174,7 @@ static int storvsc_drv_exit_cb(struct device *dev, void *data) { struct device **curr = (struct device **)data; *curr = dev; - return 1; // stop iterating + return 1; /* stop iterating */ } /*++ @@ -197,13 +197,13 @@ void storvsc_drv_exit(void) { current_dev = NULL; - // Get the device + /* Get the device */ driver_for_each_device(&drv_ctx->driver, NULL, (void*)¤t_dev, storvsc_drv_exit_cb); if (current_dev == NULL) break; - // Initiate removal from the top-down + /* Initiate removal from the top-down */ device_unregister(current_dev); } @@ -277,7 +277,7 @@ static int storvsc_probe(struct device *device) } device_info.PortNumber = host->host_no; - // Call to the vsc driver to add the device + /* Call to the vsc driver to add the device */ ret = storvsc_drv_obj->Base.OnDeviceAdd(device_obj, (void*)&device_info); if (ret != 0) { @@ -289,15 +289,15 @@ static int storvsc_probe(struct device *device) return -1; } - //host_device_ctx->port = device_info.PortNumber; + /* host_device_ctx->port = device_info.PortNumber; */ host_device_ctx->path = device_info.PathId; host_device_ctx->target = device_info.TargetId; - host->max_lun = STORVSC_MAX_LUNS_PER_TARGET; // max # of devices per target - host->max_id = STORVSC_MAX_TARGETS; // max # of targets per channel - host->max_channel = STORVSC_MAX_CHANNELS -1; // max # of channels + host->max_lun = STORVSC_MAX_LUNS_PER_TARGET; /* max # of devices per target */ + host->max_id = STORVSC_MAX_TARGETS; /* max # of targets per channel */ + host->max_channel = STORVSC_MAX_CHANNELS -1; /* max # of channels */ - // Register the HBA and start the scsi bus scan + /* Register the HBA and start the scsi bus scan */ ret = scsi_add_host(host, device); if (ret != 0) { @@ -350,11 +350,11 @@ static int storvsc_remove(struct device *device) return -1; } - // Call to the vsc driver to let it know that the device is being removed + /* Call to the vsc driver to let it know that the device is being removed */ ret = storvsc_drv_obj->Base.OnDeviceRemove(device_obj); if (ret != 0) { - // TODO: + /* TODO: */ DPRINT_ERR(STORVSC, "unable to remove vsc device (ret %d)", ret); } @@ -397,11 +397,11 @@ static void storvsc_commmand_completion(STORVSC_REQUEST* request) DPRINT_ENTER(STORVSC_DRV); - if (cmd_request->bounce_sgl_count)// using bounce buffer + if (cmd_request->bounce_sgl_count)/* using bounce buffer */ { - //printk("copy_from_bounce_buffer\n"); + /* printk("copy_from_bounce_buffer\n"); */ - // FIXME: We can optimize on writes by just skipping this + /* FIXME: We can optimize on writes by just skipping this */ copy_from_bounce_buffer(scsi_sglist(scmnd), cmd_request->bounce_sgl, scsi_sg_count(scmnd)); destroy_bounce_buffer(cmd_request->bounce_sgl, cmd_request->bounce_sgl_count); } @@ -424,7 +424,7 @@ static void storvsc_commmand_completion(STORVSC_REQUEST* request) scmnd->host_scribble = NULL; scmnd->scsi_done = NULL; - // !!DO NOT MODIFY the scmnd after this call + /* !!DO NOT MODIFY the scmnd after this call */ scsi_done_fn(scmnd); kmem_cache_free(host_device_ctx->request_pool, cmd_request); @@ -436,24 +436,24 @@ static int do_bounce_buffer(struct scatterlist *sgl, unsigned int sg_count) { int i=0; - // No need to check + /* No need to check */ if (sg_count < 2) return -1; - // We have at least 2 sg entries + /* We have at least 2 sg entries */ for ( i=0; i<sg_count; i++ ) { - if (i == 0) // make sure 1st one does not have hole + if (i == 0) /* make sure 1st one does not have hole */ { if (sgl[i].offset + sgl[i].length != PAGE_SIZE) return i; } - else if (i == sg_count - 1) // make sure last one does not have hole + else if (i == sg_count - 1) /* make sure last one does not have hole */ { if (sgl[i].offset != 0) return i; } - else // make sure no hole in the middle + else /* make sure no hole in the middle */ { if (sgl[i].length != PAGE_SIZE || sgl[i].offset != 0) { @@ -513,7 +513,7 @@ static void destroy_bounce_buffer(struct scatterlist *sgl, unsigned int sg_count kfree(sgl); } -// Assume the bounce_sgl has enough room ie using the create_bounce_buffer() +/* Assume the bounce_sgl has enough room ie using the create_bounce_buffer() */ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl, struct scatterlist *bounce_sgl, unsigned int orig_sgl_count) { int i=0,j=0; @@ -532,8 +532,8 @@ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl, struct s src = src_addr; srclen = orig_sgl[i].length; - //if (PageHighMem(orig_sgl[i].page)) - // printk("HighMem page detected - addr %p", (void*)src); + /* if (PageHighMem(orig_sgl[i].page)) */ + /* printk("HighMem page detected - addr %p", (void*)src); */ ASSERT(orig_sgl[i].offset + orig_sgl[i].length <= PAGE_SIZE); @@ -544,7 +544,7 @@ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl, struct s while (srclen) { - // assume bounce offset always == 0 + /* assume bounce offset always == 0 */ dest = bounce_addr + bounce_sgl[j].length; destlen = PAGE_SIZE - bounce_sgl[j].length; @@ -556,18 +556,18 @@ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl, struct s srclen -= copylen; src += copylen; - if (bounce_sgl[j].length == PAGE_SIZE) // full..move to next entry + if (bounce_sgl[j].length == PAGE_SIZE) /* full..move to next entry */ { kunmap_atomic((void*)bounce_addr, KM_IRQ0); j++; - // if we need to use another bounce buffer + /* if we need to use another bounce buffer */ if (srclen || i != orig_sgl_count -1) { bounce_addr = (unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])), KM_IRQ0); } } - else if (srclen == 0 && i == orig_sgl_count -1) // // unmap the last bounce that is < PAGE_SIZE + else if (srclen == 0 && i == orig_sgl_count -1) /* unmap the last bounce that is < PAGE_SIZE */ { kunmap_atomic((void*)bounce_addr, KM_IRQ0); } @@ -581,7 +581,7 @@ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl, struct s return total_copied; } -// Assume the original sgl has enough room +/* Assume the original sgl has enough room */ static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl, struct scatterlist *bounce_sgl, unsigned int orig_sgl_count) { int i=0,j=0; @@ -619,18 +619,18 @@ static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl, struct destlen -= copylen; dest += copylen; - if (bounce_sgl[j].offset == bounce_sgl[j].length) // full + if (bounce_sgl[j].offset == bounce_sgl[j].length) /* full */ { kunmap_atomic((void*)bounce_addr, KM_IRQ0); j++; - // if we need to use another bounce buffer + /* if we need to use another bounce buffer */ if (destlen || i != orig_sgl_count -1) { bounce_addr = (unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])), KM_IRQ0); } } - else if (destlen == 0 && i == orig_sgl_count -1) // unmap the last bounce that is < PAGE_SIZE + else if (destlen == 0 && i == orig_sgl_count -1) /* unmap the last bounce that is < PAGE_SIZE */ { kunmap_atomic((void*)bounce_addr, KM_IRQ0); } @@ -678,7 +678,7 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd, void (*done)(struct scs scmnd->device->queue_depth, scmnd->device->tagged_supported); - // If retrying, no need to prep the cmd + /* If retrying, no need to prep the cmd */ if (scmnd->host_scribble) { ASSERT(scmnd->scsi_done != NULL); @@ -705,7 +705,7 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd, void (*done)(struct scs return SCSI_MLQUEUE_DEVICE_BUSY; } - // Setup the cmd request + /* Setup the cmd request */ cmd_request->bounce_sgl_count = 0; cmd_request->bounce_sgl = NULL; cmd_request->cmd = scmnd; @@ -717,7 +717,7 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd, void (*done)(struct scs request->Extension = (void*)((unsigned long)cmd_request + request_size); DPRINT_DBG(STORVSC_DRV, "req %p size %d ext %d", request, request_size, storvsc_drv_obj->RequestExtSize); - // Build the SRB + /* Build the SRB */ switch(scmnd->sc_data_direction) { case DMA_TO_DEVICE: @@ -732,9 +732,9 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd, void (*done)(struct scs } request->OnIOCompletion = storvsc_commmand_completion; - request->Context = cmd_request;//scmnd; + request->Context = cmd_request;/* scmnd; */ - //request->PortId = scmnd->device->channel; + /* request->PortId = scmnd->device->channel; */ request->Host = host_device_ctx->port; request->Bus = scmnd->device->channel; request->TargetId = scmnd->device->id; @@ -753,7 +753,7 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd, void (*done)(struct scs { sgl = (struct scatterlist*)scsi_sglist(scmnd); - // check if we need to bounce the sgl + /* check if we need to bounce the sgl */ if (do_bounce_buffer(sgl, scsi_sg_count(scmnd)) != -1) { DPRINT_INFO(STORVSC_DRV, "need to bounce buffer for this scmnd %p", scmnd); @@ -771,9 +771,9 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd, void (*done)(struct scs cmd_request->bounce_sgl_count = ALIGN_UP(scsi_bufflen(scmnd), PAGE_SIZE) >> PAGE_SHIFT; - //printk("bouncing buffer allocated %p original buffer %p\n", bounce_sgl, sgl); - //printk("copy_to_bounce_buffer\n"); - // FIXME: We can optimize on reads by just skipping this + /* printk("bouncing buffer allocated %p original buffer %p\n", bounce_sgl, sgl); */ + /* printk("copy_to_bounce_buffer\n"); */ + /* FIXME: We can optimize on reads by just skipping this */ copy_to_bounce_buffer(sgl, cmd_request->bounce_sgl, scsi_sg_count(scmnd)); sgl = cmd_request->bounce_sgl; @@ -801,15 +801,15 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd, void (*done)(struct scs retry_request: - // Invokes the vsc to start an IO + /* Invokes the vsc to start an IO */ ret = storvsc_drv_obj->OnIORequest(&device_ctx->device_obj, &cmd_request->request); - if (ret == -1) // no more space + if (ret == -1) /* no more space */ { DPRINT_ERR(STORVSC_DRV, "scmnd (%p) - queue FULL...marking queue busy", scmnd); if (cmd_request->bounce_sgl_count) { - // FIXME: We can optimize on writes by just skipping this + /* FIXME: We can optimize on writes by just skipping this */ copy_from_bounce_buffer(scsi_sglist(scmnd), cmd_request->bounce_sgl, scsi_sg_count(scmnd)); destroy_bounce_buffer(cmd_request->bounce_sgl, cmd_request->bounce_sgl_count); } @@ -829,7 +829,7 @@ retry_request: static int storvsc_merge_bvec(struct request_queue *q, struct bvec_merge_data *bmd, struct bio_vec *bvec) { - return bvec->bv_len; //checking done by caller. + return bvec->bv_len; /* checking done by caller. */ } /*++ @@ -842,7 +842,7 @@ Desc: Configure the specified scsi device static int storvsc_device_alloc(struct scsi_device *sdevice) { DPRINT_DBG(STORVSC_DRV, "sdev (%p) - setting device flag to %d", sdevice, BLIST_SPARSELUN); - // This enables luns to be located sparsely. Otherwise, we may not discovered them. + /* This enables luns to be located sparsely. Otherwise, we may not discovered them. */ sdevice->sdev_bflags |= BLIST_SPARSELUN | BLIST_LARGELUN; return 0; } @@ -861,7 +861,7 @@ static int storvsc_device_configure(struct scsi_device *sdevice) blk_queue_merge_bvec(sdevice->request_queue, storvsc_merge_bvec); blk_queue_bounce_limit(sdevice->request_queue, BLK_BOUNCE_ANY); - //sdevice->timeout = (2000 * HZ);//(75 * HZ); + /* sdevice->timeout = (2000 * HZ);//(75 * HZ); */ return 0; } @@ -887,7 +887,7 @@ static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd) DPRINT_INFO(STORVSC_DRV, "sdev (%p) dev obj (%p) - host resetting...", scmnd->device, &device_ctx->device_obj); - // Invokes the vsc to reset the host/bus + /* Invokes the vsc to reset the host/bus */ ASSERT(storvsc_drv_obj->OnHostReset); ret = storvsc_drv_obj->OnHostReset(&device_ctx->device_obj); if (ret != 0) @@ -945,12 +945,12 @@ static void storvsc_host_rescan_callback(struct work_struct *work) DPRINT_INFO(STORVSC_DRV, "rescanning host for new scsi devices...", device_obj, host_device_ctx->target, host_device_ctx->path); - // Rescan for new device + /* Rescan for new device */ scsi_scan_target(&host->shost_gendev, host_device_ctx->path, host_device_ctx->target, SCAN_WILD_CARD, 1); DPRINT_INFO(STORVSC_DRV, "rescanning host for removed scsi device..."); - // Use the 1st device to send the report luns cmd + /* Use the 1st device to send the report luns cmd */ shost_for_each_device(sdev, host) { lun_count=STORVSC_MAX_LUNS_PER_TARGET; @@ -968,12 +968,12 @@ static void storvsc_host_rescan_callback(struct work_struct *work) DPRINT_INFO(STORVSC_DRV, "%d) lun %u", i, lun_list[i]); } - // Rescan for devices that may have been removed. - // We do not have to worry that new devices may have been added since - // this callback is serialized by the workqueue ie add/remove are done here. + /* Rescan for devices that may have been removed. */ + /* We do not have to worry that new devices may have been added since */ + /* this callback is serialized by the workqueue ie add/remove are done here. */ shost_for_each_device(sdev, host) { - // See if this device is still here + /* See if this device is still here */ found = 0; for (i=0; i<lun_count; i++) { @@ -990,13 +990,13 @@ static void storvsc_host_rescan_callback(struct work_struct *work) } } - // Now remove the devices + /* Now remove the devices */ for (i=0; i< sdevs_count; i++) { DPRINT_INFO(STORVSC_DRV, "removing scsi device (%p) lun (%u)...", sdevs_remove_list[i], sdevs_remove_list[i]->lun); - // make sure it is not removed from underneath us + /* make sure it is not removed from underneath us */ if (!scsi_device_get(sdevs_remove_list[i])) { scsi_remove_device(sdevs_remove_list[i]); @@ -1021,7 +1021,7 @@ static int storvsc_report_luns(struct scsi_device *sdev, unsigned int luns[], un unsigned char *data; struct scsi_sense_hdr sshdr; unsigned char cmd[16]={0}; - unsigned int report_len = 8*(STORVSC_MAX_LUNS_PER_TARGET+1); // Add 1 to cover the report_lun header + unsigned int report_len = 8*(STORVSC_MAX_LUNS_PER_TARGET+1); /* Add 1 to cover the report_lun header */ unsigned long long *report_luns; const unsigned int in_lun_count = *lun_count; @@ -1035,7 +1035,7 @@ static int storvsc_report_luns(struct scsi_device *sdev, unsigned int luns[], un cmd[0] = REPORT_LUNS; - // cmd length + /* cmd length */ *(unsigned int*)&cmd[6] = cpu_to_be32(report_len); result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, (unsigned char*)report_luns, report_len, &sshdr, 30*HZ, 3, NULL); @@ -1045,7 +1045,7 @@ static int storvsc_report_luns(struct scsi_device *sdev, unsigned int luns[], un return -EBUSY; } - // get the length from the first four bytes + /* get the length from the first four bytes */ report_len = be32_to_cpu(*(unsigned int*)&report_luns[0]); num_luns = (report_len / sizeof(unsigned long long)); @@ -1059,7 +1059,7 @@ static int storvsc_report_luns(struct scsi_device *sdev, unsigned int luns[], un DPRINT_DBG(STORVSC_DRV, "report luns on scsi device (%p) found %u luns ", sdev, num_luns); - // lun id starts at 1 + /* lun id starts at 1 */ for (i=1; i< num_luns+1; i++) { lun = 0; @@ -1088,8 +1088,8 @@ static void storvsc_host_rescan(DEVICE_OBJECT* device_obj) DPRINT_INFO(STORVSC_DRV, "initiating rescan on dev obj (%p) target (%u) bus (%u)...", device_obj, host_device_ctx->target, host_device_ctx->path); - // We need to queue this since the scanning may block and the caller may be in an intr context - //scsi_queue_work(host, &host_device_ctx->host_rescan_work); + /* We need to queue this since the scanning may block and the caller may be in an intr context */ + /* scsi_queue_work(host, &host_device_ctx->host_rescan_work); */ schedule_work(&host_device_ctx->host_rescan_work); DPRINT_EXIT(STORVSC_DRV); } @@ -1114,17 +1114,17 @@ static int storvsc_get_chs(struct scsi_device *sdev, struct block_device * bdev, heads = 16; cylinder_times_heads = total_sectors; - rem = sector_div(cylinder_times_heads, sectors_per_track); // sector_div stores the quotient in cylinder_times_heads + rem = sector_div(cylinder_times_heads, sectors_per_track); /* sector_div stores the quotient in cylinder_times_heads */ } else { sectors_per_track = 17; cylinder_times_heads = total_sectors; - rem = sector_div(cylinder_times_heads, sectors_per_track); // sector_div stores the quotient in cylinder_times_heads + rem = sector_div(cylinder_times_heads, sectors_per_track); /* sector_div stores the quotient in cylinder_times_heads */ temp = cylinder_times_heads + 1023; - rem = sector_div(temp, 1024); // sector_div stores the quotient in temp + rem = sector_div(temp, 1024); /* sector_div stores the quotient in temp */ heads = temp; @@ -1137,7 +1137,7 @@ static int storvsc_get_chs(struct scsi_device *sdev, struct block_device * bdev, heads = 16; cylinder_times_heads = total_sectors; - rem = sector_div(cylinder_times_heads, sectors_per_track); // sector_div stores the quotient in cylinder_times_heads + rem = sector_div(cylinder_times_heads, sectors_per_track); /* sector_div stores the quotient in cylinder_times_heads */ } if (cylinder_times_heads >= (heads * 1024)) { @@ -1145,12 +1145,12 @@ static int storvsc_get_chs(struct scsi_device *sdev, struct block_device * bdev, heads = 16; cylinder_times_heads = total_sectors; - rem = sector_div(cylinder_times_heads, sectors_per_track); // sector_div stores the quotient in cylinder_times_heads + rem = sector_div(cylinder_times_heads, sectors_per_track); /* sector_div stores the quotient in cylinder_times_heads */ } } temp = cylinder_times_heads; - rem = sector_div(temp, heads); // sector_div stores the quotient in temp + rem = sector_div(temp, heads); /* sector_div stores the quotient in temp */ cylinders = temp; info[0] = heads; @@ -1193,4 +1193,4 @@ module_param(storvsc_ringbuffer_size, int, S_IRUGO); module_init(storvsc_init); module_exit(storvsc_exit); -// eof +/* eof */ diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c index e615610ffbf..a86e4043d17 100644 --- a/drivers/staging/hv/vmbus_drv.c +++ b/drivers/staging/hv/vmbus_drv.c @@ -32,22 +32,22 @@ #include "include/logging.h" #include "include/vmbus.h" -// -// Defines -// -// FIXME! We need to do this dynamically for PIC and APIC system +/* Defines */ + + +/* FIXME! We need to do this dynamically for PIC and APIC system */ #define VMBUS_IRQ 0x5 #define VMBUS_IRQ_VECTOR IRQ5_VECTOR -// -// Data types -// -// Main vmbus driver data structure +/* Data types */ + + +/* Main vmbus driver data structure */ struct vmbus_driver_context { - // !! These must be the first 2 fields !! - // The driver field is not used in here. Instead, the bus field is - // used to represent the driver + /* !! These must be the first 2 fields !! */ + /* The driver field is not used in here. Instead, the bus field is */ + /* used to represent the driver */ struct driver_context drv_ctx; VMBUS_DRIVER_OBJECT drv_obj; @@ -55,13 +55,13 @@ struct vmbus_driver_context { struct tasklet_struct msg_dpc; struct tasklet_struct event_dpc; - // The bus root device + /* The bus root device */ struct device_context device_ctx; }; -// -// Static decl -// + +/* Static decl */ + static int vmbus_match(struct device *device, struct device_driver *driver); static int vmbus_probe(struct device *device); static int vmbus_remove(struct device *device); @@ -81,26 +81,26 @@ static int vmbus_child_device_register(DEVICE_OBJECT* root_device_obj, DEVICE_OB static void vmbus_child_device_unregister(DEVICE_OBJECT* child_device_obj); static void vmbus_child_device_get_info(DEVICE_OBJECT *device_obj, DEVICE_INFO *device_info); -//static ssize_t vmbus_show_class_id(struct device *dev, struct device_attribute *attr, char *buf); -//static ssize_t vmbus_show_device_id(struct device *dev, struct device_attribute *attr, char *buf); +/* static ssize_t vmbus_show_class_id(struct device *dev, struct device_attribute *attr, char *buf); */ +/* static ssize_t vmbus_show_device_id(struct device *dev, struct device_attribute *attr, char *buf); */ static ssize_t vmbus_show_device_attr(struct device *dev, struct device_attribute *dev_attr, char *buf); -// -// Global -// -// Global logging setting +/* Global */ + -//unsigned int vmbus_loglevel= (((VMBUS | VMBUS_DRV)<<16) | DEBUG_LVL_ENTEREXIT); -//unsigned int vmbus_loglevel= (ALL_MODULES << 16 | DEBUG_LVL_ENTEREXIT); +/* Global logging setting */ + +/* unsigned int vmbus_loglevel= (((VMBUS | VMBUS_DRV)<<16) | DEBUG_LVL_ENTEREXIT); */ +/* unsigned int vmbus_loglevel= (ALL_MODULES << 16 | DEBUG_LVL_ENTEREXIT); */ unsigned int vmbus_loglevel= (ALL_MODULES << 16 | INFO_LVL); EXPORT_SYMBOL(vmbus_loglevel); static int vmbus_irq = VMBUS_IRQ; -// Setup /proc/sys/bus/vmbus/vmbus_loglevel -// Allow usage of sysctl cmd to set the logging level +/* Setup /proc/sys/bus/vmbus/vmbus_loglevel */ +/* Allow usage of sysctl cmd to set the logging level */ static struct ctl_table_header *vmbus_ctl_table_hdr; static ctl_table vmbus_dev_ctl_table[] = { @@ -129,9 +129,9 @@ static ctl_table vmus_root_ctl_table[] = { { } }; -// -// Set up per device attributes in /sys/bus/vmbus/devices/<bus device> -// + +/* Set up per device attributes in /sys/bus/vmbus/devices/<bus device> */ + static struct device_attribute vmbus_device_attrs[] = { __ATTR(id, S_IRUGO, vmbus_show_device_attr, NULL), __ATTR(state, S_IRUGO, vmbus_show_device_attr, NULL), @@ -161,7 +161,7 @@ static struct device_attribute vmbus_device_attrs[] = { __ATTR_NULL }; -// The one and only one +/* The one and only one */ static struct vmbus_driver_context g_vmbus_drv={ .bus.name = "vmbus", .bus.match = vmbus_match, @@ -172,9 +172,9 @@ static struct vmbus_driver_context g_vmbus_drv={ .bus.dev_attrs = vmbus_device_attrs, }; -// -// Routines -// + +/* Routines */ + /*++ @@ -299,15 +299,15 @@ Name: vmbus_show_class_id() Desc: Show the device class id in sysfs --*/ -//static ssize_t vmbus_show_class_id(struct device *dev, struct device_attribute *attr, char *buf) -//{ -// struct device_context *device_ctx = device_to_device_context(dev); -// return sprintf(buf, "{%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x%02x%02x}\n", -// device_ctx->class_id[3], device_ctx->class_id[2], device_ctx->class_id[1], device_ctx->class_id[0], -// device_ctx->class_id[5], device_ctx->class_id[4], -// device_ctx->class_id[7], device_ctx->class_id[6], -// device_ctx->class_id[8], device_ctx->class_id[9], device_ctx->class_id[10], device_ctx->class_id[11], device_ctx->class_id[12], device_ctx->class_id[13], device_ctx->class_id[14], device_ctx->class_id[15]); -//} +/* static ssize_t vmbus_show_class_id(struct device *dev, struct device_attribute *attr, char *buf) */ +/* { */ +/* struct device_context *device_ctx = device_to_device_context(dev); */ +/* return sprintf(buf, "{%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x%02x%02x}\n", */ +/* device_ctx->class_id[3], device_ctx->class_id[2], device_ctx->class_id[1], device_ctx->class_id[0], */ +/* device_ctx->class_id[5], device_ctx->class_id[4], */ +/* device_ctx->class_id[7], device_ctx->class_id[6], */ +/* device_ctx->class_id[8], device_ctx->class_id[9], device_ctx->class_id[10], device_ctx->class_id[11], device_ctx->class_id[12], device_ctx->class_id[13], device_ctx->class_id[14], device_ctx->class_id[15]); */ +/* } */ /*++ @@ -316,15 +316,15 @@ Name: vmbus_show_device_id() Desc: Show the device instance id in sysfs --*/ -//static ssize_t vmbus_show_device_id(struct device *dev, struct device_attribute *attr, char *buf) -//{ -// struct device_context *device_ctx = device_to_device_context(dev); -// return sprintf(buf, "{%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x%02x%02x}\n", -// device_ctx->device_id[3], device_ctx->device_id[2], device_ctx->device_id[1], device_ctx->device_id[0], -// device_ctx->device_id[5], device_ctx->device_id[4], -// device_ctx->device_id[7], device_ctx->device_id[6], -// device_ctx->device_id[8], device_ctx->device_id[9], device_ctx->device_id[10], device_ctx->device_id[11], device_ctx->device_id[12], device_ctx->device_id[13], device_ctx->device_id[14], device_ctx->device_id[15]); -//} +/* static ssize_t vmbus_show_device_id(struct device *dev, struct device_attribute *attr, char *buf) */ +/* { */ +/* struct device_context *device_ctx = device_to_device_context(dev); */ +/* return sprintf(buf, "{%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x%02x%02x}\n", */ +/* device_ctx->device_id[3], device_ctx->device_id[2], device_ctx->device_id[1], device_ctx->device_id[0], */ +/* device_ctx->device_id[5], device_ctx->device_id[4], */ +/* device_ctx->device_id[7], device_ctx->device_id[6], */ +/* device_ctx->device_id[8], device_ctx->device_id[9], device_ctx->device_id[10], device_ctx->device_id[11], device_ctx->device_id[12], device_ctx->device_id[13], device_ctx->device_id[14], device_ctx->device_id[15]); */ +/* } */ /*++ @@ -351,13 +351,13 @@ int vmbus_bus_init(PFN_DRIVERINITIALIZE pfn_drv_init) DPRINT_ENTER(VMBUS_DRV); - // Set this up to allow lower layer to callback to add/remove child devices on the bus + /* Set this up to allow lower layer to callback to add/remove child devices on the bus */ vmbus_drv_obj->OnChildDeviceCreate = vmbus_child_device_create; vmbus_drv_obj->OnChildDeviceDestroy = vmbus_child_device_destroy; vmbus_drv_obj->OnChildDeviceAdd = vmbus_child_device_register; vmbus_drv_obj->OnChildDeviceRemove = vmbus_child_device_unregister; - // Call to bus driver to initialize + /* Call to bus driver to initialize */ ret = pfn_drv_init(&vmbus_drv_obj->Base); if (ret != 0) { @@ -365,7 +365,7 @@ int vmbus_bus_init(PFN_DRIVERINITIALIZE pfn_drv_init) goto cleanup; } - // Sanity checks + /* Sanity checks */ if (!vmbus_drv_obj->Base.OnDeviceAdd) { DPRINT_ERR(VMBUS_DRV, "OnDeviceAdd() routine not set"); @@ -375,14 +375,14 @@ int vmbus_bus_init(PFN_DRIVERINITIALIZE pfn_drv_init) vmbus_drv_ctx->bus.name = vmbus_drv_obj->Base.name; - // Initialize the bus context + /* Initialize the bus context */ tasklet_init(&vmbus_drv_ctx->msg_dpc, vmbus_msg_dpc, (unsigned long)vmbus_drv_obj); tasklet_init(&vmbus_drv_ctx->event_dpc, vmbus_event_dpc, (unsigned long)vmbus_drv_obj); - // Now, register the bus driver with LDM + /* Now, register the bus driver with LDM */ bus_register(&vmbus_drv_ctx->bus); - // Get the interrupt resource + /* Get the interrupt resource */ ret = request_irq(vmbus_irq, vmbus_isr, IRQF_SAMPLE_RANDOM, @@ -402,7 +402,7 @@ int vmbus_bus_init(PFN_DRIVERINITIALIZE pfn_drv_init) DPRINT_INFO(VMBUS_DRV, "irq 0x%x vector 0x%x", vmbus_irq, vector); - // Call to bus driver to add the root device + /* Call to bus driver to add the root device */ memset(dev_ctx, 0, sizeof(struct device_context)); ret = vmbus_drv_obj->Base.OnDeviceAdd(&dev_ctx->device_obj, &vector); @@ -417,19 +417,19 @@ int vmbus_bus_init(PFN_DRIVERINITIALIZE pfn_drv_init) ret = -1; goto cleanup; } - //strcpy(dev_ctx->device.bus_id, dev_ctx->device_obj.name); + /* strcpy(dev_ctx->device.bus_id, dev_ctx->device_obj.name); */ dev_set_name(&dev_ctx->device, "vmbus_0_0"); memcpy(&dev_ctx->class_id, &dev_ctx->device_obj.deviceType, sizeof(GUID)); memcpy(&dev_ctx->device_id, &dev_ctx->device_obj.deviceInstance, sizeof(GUID)); - // No need to bind a driver to the root device. + /* No need to bind a driver to the root device. */ dev_ctx->device.parent = NULL; - dev_ctx->device.bus = &vmbus_drv_ctx->bus; //NULL; // vmbus_remove() does not get invoked + dev_ctx->device.bus = &vmbus_drv_ctx->bus; /* NULL; vmbus_remove() does not get invoked */ - // Setup the device dispatch table + /* Setup the device dispatch table */ dev_ctx->device.release = vmbus_bus_release; - // Setup the bus as root device + /* Setup the bus as root device */ device_register(&dev_ctx->device); vmbus_drv_obj->GetChannelOffers(); @@ -457,14 +457,14 @@ void vmbus_bus_exit(void) DPRINT_ENTER(VMBUS_DRV); - // Remove the root device + /* Remove the root device */ if (vmbus_drv_obj->Base.OnDeviceRemove) vmbus_drv_obj->Base.OnDeviceRemove(&dev_ctx->device_obj); if (vmbus_drv_obj->Base.OnCleanup) vmbus_drv_obj->Base.OnCleanup(&vmbus_drv_obj->Base); - // Unregister the root bus device + /* Unregister the root bus device */ device_unregister(&dev_ctx->device); bus_unregister(&vmbus_drv_ctx->bus); @@ -494,7 +494,7 @@ void vmbus_child_driver_register(struct driver_context* driver_ctx) DPRINT_INFO(VMBUS_DRV, "child driver (%p) registering - name %s", driver_ctx, driver_ctx->driver.name); - // The child driver on this vmbus + /* The child driver on this vmbus */ driver_ctx->driver.bus = &g_vmbus_drv.bus; driver_register(&driver_ctx->driver); @@ -573,7 +573,7 @@ static DEVICE_OBJECT* vmbus_child_device_create(GUID type, GUID instance, void* DPRINT_ENTER(VMBUS_DRV); - // Allocate the new child device + /* Allocate the new child device */ child_device_ctx = kzalloc(sizeof(struct device_context), GFP_KERNEL); if (!child_device_ctx) { @@ -620,9 +620,9 @@ static int vmbus_child_device_register(DEVICE_OBJECT* root_device_obj, DEVICE_OB DPRINT_ENTER(VMBUS_DRV); DPRINT_DBG(VMBUS_DRV, "child device (%p) registering", child_device_ctx); - // - // Make sure we are not registered already - // + + /* Make sure we are not registered already */ + if (strlen(dev_name(&child_device_ctx->device)) != 0) { DPRINT_ERR(VMBUS_DRV, "child device (%p) already registered - busid %s", child_device_ctx, dev_name(&child_device_ctx->device)); @@ -631,19 +631,19 @@ static int vmbus_child_device_register(DEVICE_OBJECT* root_device_obj, DEVICE_OB goto Cleanup; } - // Set the device bus id. Otherwise, device_register()will fail. + /* Set the device bus id. Otherwise, device_register()will fail. */ dev_set_name(&child_device_ctx->device, "vmbus_0_%d", InterlockedIncrement(&device_num)); - // The new device belongs to this bus - child_device_ctx->device.bus = &g_vmbus_drv.bus; //device->dev.bus; + /* The new device belongs to this bus */ + child_device_ctx->device.bus = &g_vmbus_drv.bus; /* device->dev.bus; */ child_device_ctx->device.parent = &root_device_ctx->device; child_device_ctx->device.release = vmbus_device_release; - // Register with the LDM. This will kick off the driver/device binding...which will - // eventually call vmbus_match() and vmbus_probe() + /* Register with the LDM. This will kick off the driver/device binding...which will */ + /* eventually call vmbus_match() and vmbus_probe() */ ret = device_register(&child_device_ctx->device); - // vmbus_probe() error does not get propergate to device_register(). + /* vmbus_probe() error does not get propergate to device_register(). */ ret = child_device_ctx->probe_error; if (ret) @@ -672,8 +672,8 @@ static void vmbus_child_device_unregister(DEVICE_OBJECT* device_obj) DPRINT_INFO(VMBUS_DRV, "unregistering child device (%p)", &device_ctx->device); - // Kick off the process of unregistering the device. - // This will call vmbus_remove() and eventually vmbus_device_release() + /* Kick off the process of unregistering the device. */ + /* This will call vmbus_remove() and eventually vmbus_device_release() */ device_unregister(&device_ctx->device); DPRINT_INFO(VMBUS_DRV, "child device (%p) unregistered", &device_ctx->device); @@ -770,11 +770,11 @@ static int vmbus_match(struct device *device, struct device_driver *driver) DPRINT_ENTER(VMBUS_DRV); - // We found our driver ? + /* We found our driver ? */ if (memcmp(&device_ctx->class_id, &driver_ctx->class_id, sizeof(GUID)) == 0) { - // !! NOTE: The driver_ctx is not a vmbus_drv_ctx. We typecast it here to access the - // DRIVER_OBJECT field + /* !! NOTE: The driver_ctx is not a vmbus_drv_ctx. We typecast it here to access the */ + /* DRIVER_OBJECT field */ struct vmbus_driver_context *vmbus_drv_ctx = (struct vmbus_driver_context*)driver_ctx; device_ctx->device_obj.Driver = &vmbus_drv_ctx->drv_obj.Base; DPRINT_INFO(VMBUS_DRV, "device object (%p) set to driver object (%p)", &device_ctx->device_obj, device_ctx->device_obj.Driver); @@ -804,11 +804,11 @@ static void vmbus_probe_failed_cb(struct work_struct *context) DPRINT_ENTER(VMBUS_DRV); - // Kick off the process of unregistering the device. - // This will call vmbus_remove() and eventually vmbus_device_release() + /* Kick off the process of unregistering the device. */ + /* This will call vmbus_remove() and eventually vmbus_device_release() */ device_unregister(&device_ctx->device); - //put_device(&device_ctx->device); + /* put_device(&device_ctx->device); */ DPRINT_EXIT(VMBUS_DRV); } @@ -828,7 +828,7 @@ static int vmbus_probe(struct device *child_device) DPRINT_ENTER(VMBUS_DRV); - // Let the specific open-source driver handles the probe if it can + /* Let the specific open-source driver handles the probe if it can */ if (driver_ctx->probe) { ret = device_ctx->probe_error = driver_ctx->probe(child_device); @@ -865,10 +865,10 @@ static int vmbus_remove(struct device *child_device) DPRINT_ENTER(VMBUS_DRV); - // Special case root bus device + /* Special case root bus device */ if (child_device->parent == NULL) { - // No-op since it is statically defined and handle in vmbus_bus_exit() + /* No-op since it is statically defined and handle in vmbus_bus_exit() */ DPRINT_EXIT(VMBUS_DRV); return 0; } @@ -877,7 +877,7 @@ static int vmbus_remove(struct device *child_device) { driver_ctx = driver_to_driver_context(child_device->driver); - // Let the specific open-source driver handles the removal if it can + /* Let the specific open-source driver handles the removal if it can */ if (driver_ctx->remove) { ret = driver_ctx->remove(child_device); @@ -911,15 +911,15 @@ static void vmbus_shutdown(struct device *child_device) DPRINT_ENTER(VMBUS_DRV); - // Special case root bus device + /* Special case root bus device */ if (child_device->parent == NULL) { - // No-op since it is statically defined and handle in vmbus_bus_exit() + /* No-op since it is statically defined and handle in vmbus_bus_exit() */ DPRINT_EXIT(VMBUS_DRV); return; } - // The device may not be attached yet + /* The device may not be attached yet */ if (!child_device->driver) { DPRINT_EXIT(VMBUS_DRV); @@ -928,7 +928,7 @@ static void vmbus_shutdown(struct device *child_device) driver_ctx = driver_to_driver_context(child_device->driver); - // Let the specific open-source driver handles the removal if it can + /* Let the specific open-source driver handles the removal if it can */ if (driver_ctx->shutdown) { driver_ctx->shutdown(child_device); @@ -965,10 +965,10 @@ static void vmbus_device_release(struct device *device) DPRINT_ENTER(VMBUS_DRV); - //vmbus_child_device_destroy(&device_ctx->device_obj); + /* vmbus_child_device_destroy(&device_ctx->device_obj); */ kfree(device_ctx); - // !!DO NOT REFERENCE device_ctx anymore at this point!! + /* !!DO NOT REFERENCE device_ctx anymore at this point!! */ DPRINT_EXIT(VMBUS_DRV); @@ -990,7 +990,7 @@ static void vmbus_msg_dpc(unsigned long data) ASSERT(vmbus_drv_obj->OnMsgDpc != NULL); - // Call to bus driver to handle interrupt + /* Call to bus driver to handle interrupt */ vmbus_drv_obj->OnMsgDpc(&vmbus_drv_obj->Base); DPRINT_EXIT(VMBUS_DRV); @@ -1011,7 +1011,7 @@ static void vmbus_event_dpc(unsigned long data) ASSERT(vmbus_drv_obj->OnEventDpc != NULL); - // Call to bus driver to handle interrupt + /* Call to bus driver to handle interrupt */ vmbus_drv_obj->OnEventDpc(&vmbus_drv_obj->Base); DPRINT_EXIT(VMBUS_DRV); @@ -1033,10 +1033,10 @@ static irqreturn_t vmbus_isr(int irq, void* dev_id) ASSERT(vmbus_driver_obj->OnIsr != NULL); - // Call to bus driver to handle interrupt + /* Call to bus driver to handle interrupt */ ret = vmbus_driver_obj->OnIsr(&vmbus_driver_obj->Base); - // Schedules a dpc if necessary + /* Schedules a dpc if necessary */ if (ret > 0) { if (test_bit(0, (unsigned long*)&ret)) @@ -1078,7 +1078,7 @@ static int __init vmbus_init(void) DPRINT_INFO(VMBUS_DRV, "Vmbus initializing.... current log level 0x%x (%x,%x)", vmbus_loglevel, HIWORD(vmbus_loglevel), LOWORD(vmbus_loglevel)); -//Todo: it is used for loglevel, to be ported to new kernel. +/* Todo: it is used for loglevel, to be ported to new kernel. */ ret = vmbus_bus_init(VmbusInitialize); @@ -1100,7 +1100,7 @@ static void __exit vmbus_exit(void) DPRINT_ENTER(VMBUS_DRV); vmbus_bus_exit(); -//Todo: it is used for loglevel, to be ported to new kernel. +/* Todo: it is used for loglevel, to be ported to new kernel. */ DPRINT_EXIT(VMBUS_DRV); return; @@ -1111,4 +1111,4 @@ module_param(vmbus_loglevel, int, S_IRUGO); module_init(vmbus_init); module_exit(vmbus_exit); -// eof +/* eof */ |