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,
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;
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];
#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
);
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);
}
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);
}
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;
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);
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;
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);
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)
goto Cleanup;
}
- // FIXME: Need to time-out here
+ /* FIXME: Need to time-out here */
WaitEventWait(openInfo->WaitEvent);
if (openInfo->Response.OpenResult.Status == 0)
--*/
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)
{
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);
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)
(*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;
}
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;
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;
}
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,
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);
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;
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);
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);
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);
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);
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++)
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);
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;
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);
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,
{
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,
*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);
{
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);
*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);
}
-// eof
+/* eof */
#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;
} 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;
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(
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
);
VmbusChannelOnTimer(
void *Context
);
-#endif //_CHANNEL_H_
+#endif /* _CHANNEL_H_ */
DEVICE_INFO *DeviceInfo
);
-#endif // _CHANNEL_INTERFACE_H_
+#endif /* _CHANNEL_INTERFACE_H_ */
#include "VmbusPrivate.h"
-//
-// Defines
-//
-
-//
-// Data types
-//
+/* Data types */
typedef void (*PFN_CHANNEL_MESSAGE_HANDLER)(VMBUS_CHANNEL_MESSAGE_HEADER* msg);
PFN_CHANNEL_MESSAGE_HANDLER messageHandler;
} VMBUS_CHANNEL_MESSAGE_TABLE_ENTRY;
-//
-// Internal routines
-//
+/* Internal routines */
static void
VmbusChannelOnOffer(
);
-//
-// 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},
return NULL;
}
- //channel->dataWorkQueue = WorkQueueCreate("data");
+ /* channel->dataWorkQueue = WorkQueueCreate("data"); */
channel->ControlWQ = WorkQueueCreate("control");
if (!channel->ControlWQ)
{
{
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);
}
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)
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,
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)
{
}
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);
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)
{
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);
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)
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)
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)
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);
}
goto Cleanup;
}
- //WaitEventWait(msgInfo->waitEvent);
+ /* WaitEventWait(msgInfo->waitEvent); */
/*SpinlockAcquire(gVmbusConnection.channelMsgLock);
REMOVE_ENTRY_LIST(&msgInfo->msgListEntry);
spin_unlock_irqrestore(&gVmbusConnection.channel_lock, flags);
}
-// eof
-
+/* eof */
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;
} 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(
void
);
-#endif //_CHANNEL_MGMT_H_
+#endif /* _CHANNEL_MGMT_H_ */
#include "VmbusPrivate.h"
-//
-// Globals
-//
+/* Globals */
VMBUS_CONNECTION gVmbusConnection = {
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");
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)
{
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)
{
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);
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!!");
DPRINT_ENTER(VMBUS);
- // Make sure we are connected
+ /* Make sure we are connected */
if (gVmbusConnection.ConnectState != Connected)
return -1;
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);
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);
}
}
)
{
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++)
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);
}
}
DPRINT_ENTER(VMBUS);
- // Each u32 represents 32 channels
+ /* Each u32 represents 32 channels */
BitSet((u32*)gVmbusConnection.SendInterruptPage + (childRelId >> 5), childRelId & 31);
ret = HvSignalEvent();
return ret;
}
-// EOF
+/* EOF */
#include "include/logging.h"
#include "VmbusPrivate.h"
-//
-// Globals
-//
+/* Globals */
-// The one and only
+/* The one and only */
HV_CONTEXT gHvContext={
.SynICInitialized = false,
.HypercallPage = NULL,
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;
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;
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;
}
DPRINT_DBG(VMBUS, "Hypercall <return %llx>", hvStatusLo | ((u64)hvStatusHi << 32));
return (hvStatusLo | ((u64)hvStatusHi << 32));
-#endif // x86_64
+#endif /* x86_64 */
}
/*++
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)
}
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);
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)
{
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);
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.");
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)
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;
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;
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;
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);
}
-// eof
+/* eof */
#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"
VMBUS_MONITOR_PORT_ID = 3,
VMBUS_MESSAGE_SINT = 2
};
-//
-// #defines
-//
+
+/* #defines */
+
#define HV_PRESENT_BIT 0x80000000
#define HV_XENLINUX_GUEST_ID_LO 0x00000000
#define HV_HYPERCALL_PARAM_ALIGN sizeof(u64)
-//
-// Service definitions
-//
+
+/* Service definitions */
+
#define HV_SERVICE_PARENT_PORT (0)
#define HV_SERVICE_PARENT_CONNECTION (0)
#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
} 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];
extern HV_CONTEXT gHvContext;
-//
-// Inline routines
-//
+
+/* Inline routines */
+
static inline unsigned long long ReadMsr(int msr)
{
unsigned long long val;
return;
}
-//
-// Hv Interface
-//
+
+/* Hv Interface */
+
static int
HvInit(
void
void
);
-#endif // __HV_H__
+#endif /* __HV_H__ */
#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,
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;
}
-// 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;
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;
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);
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);
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;
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)
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,
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;
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),
WaitEventWait(netDevice->ChannelInitEvent);
- // Check the response
+ /* Check the response */
if (initPacket->Messages.Version1Messages.SendReceiveBufferComplete.Status != NvspStatusSuccess)
{
DPRINT_ERR(NETVSC,
goto Cleanup;
}
- // Parse the response
+ /* Parse the response */
ASSERT(netDevice->ReceiveSectionCount == 0);
ASSERT(netDevice->ReceiveSections == NULL);
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 )
{
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)
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)
{
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;
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),
WaitEventWait(netDevice->ChannelInitEvent);
- // Check the response
+ /* Check the response */
if (initPacket->Messages.Version1Messages.SendSendBufferComplete.Status != NvspStatusSuccess)
{
DPRINT_ERR(NETVSC,
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));
(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");
}
}
- // 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...");
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");
{
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;
}
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));
(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");
}
}
- // 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...");
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");
{
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;
}
DPRINT_INFO(NETVSC, "Sending NvspMessageTypeInit...");
- // Send the init request
+ /* Send the init request */
ret = Device->Driver->VmbusChannelInterface.SendPacket(Device,
initPacket,
sizeof(NVSP_MESSAGE),
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);
}
DPRINT_INFO(NETVSC, "Sending NvspMessage1TypeSendNdisVersion...");
- // Send the ndis version
+ /* Send the ndis version */
memset(initPacket, 0, sizeof(NVSP_MESSAGE));
ndisVersion = 0x00050000;
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),
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)
{
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);
}
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)
{
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)
{
return ret;
Close:
- // Now, we can close the channel safely
+ /* Now, we can close the channel safely */
Device->Driver->VmbusChannelInterface.Close(Device);
Cleanup:
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)
{
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);
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);
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);
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;
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;
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);
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);
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))
{
}
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--)
{
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)
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;
+ 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;
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);
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);
}
}
-//
-// 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)
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)
{
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;
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);
break;
}
- // reset
+ /* reset */
if (bufferlen > netPacketSize)
{
kfree(buffer);
}
else
{
- //DPRINT_DBG(NETVSC, "nothing else to read...");
+ /* DPRINT_DBG(NETVSC, "nothing else to read..."); */
- // reset
+ /* reset */
if (bufferlen > netPacketSize)
{
kfree(buffer);
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;
}
#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_ */
#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))
{
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;
RingInfo->RingBuffer->WriteIndex);
}
-//
-// Internal routines
-//
+
+/* Internal routines */
+
static u32
CopyToRingBuffer(
RING_BUFFER_INFO *RingInfo,
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);
return -1;
}
- // Write to the ring buffer
+ /* Write to the ring buffer */
nextWriteLocation = GetNextWriteLocation(OutRingInfo);
for (i=0; i < SgBufferCount; i++)
SgBuffers[i].Length);
}
- // Set previous packet start
+ /* Set previous packet start */
prevIndices = GetRingBufferIndices(OutRingInfo);
nextWriteLocation = CopyToRingBuffer(OutRingInfo,
&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);
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,
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);
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);
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!");
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!");
}
-// eof
+/* eof */
} 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;
}RING_BUFFER_DEBUG_INFO;
-//
-// Interface
-//
+
+/* Interface */
+
static int
RingBufferInit(
RING_BUFFER_DEBUG_INFO *DebugInfo
);
-#endif // _RING_BUFFER_H_
+#endif /* _RING_BUFFER_H_ */
#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;
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;
RNDIS_MESSAGE Message;
} RNDIS_FILTER_PACKET;
-//
-// Internal routines
-//
+
+/* Internal routines */
+
static int
RndisFilterSendRequest(
RNDIS_DEVICE *Device,
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)
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);
DPRINT_ENTER(NETVSC);
- // Setup the packet to send it
+ /* Setup the packet to send it */
packet = &Request->Packet;
packet->IsDataPacket = false;
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;
{
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)",
{
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;
}
}
else
{
- // TODO:
+ /* TODO: */
}
}
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;
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!");
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 )
{
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;
goto Cleanup;
}
- // Setup the rndis query
+ /* Setup the rndis query */
query = &request->RequestMessage.Message.QueryRequest;
query->Oid = Oid;
query->InformationBufferOffset = sizeof(RNDIS_QUERY_REQUEST);
WaitEventWait(request->WaitEvent);
- // Copy the response back
+ /* Copy the response back */
queryComplete = &request->ResponseMessage.Message.QueryComplete;
if (queryComplete->InformationBufferLength > inresultSize)
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);
{
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
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));
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;
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);
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;
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;
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)
{
return ret;
}
- //
- // Initialize the rndis device
- //
+
+ /* Initialize the rndis device */
+
netDevice = (NETVSC_DEVICE*)Device->Extension;
ASSERT(netDevice);
ASSERT(netDevice->Device);
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",
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);
DPRINT_ENTER(NETVSC);
- // Add the rndis header
+ /* Add the rndis header */
filterPacket = (RNDIS_FILTER_PACKET*)Packet->Extension;
ASSERT(filterPacket);
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;
}
DPRINT_ENTER(NETVSC);
- // Pass it back to the original handler
+ /* Pass it back to the original handler */
filterPacket->OnCompletion(filterPacket->CompletionContext);
DPRINT_EXIT(NETVSC);
{
DPRINT_ENTER(NETVSC);
- // Noop
+ /* Noop */
DPRINT_EXIT(NETVSC);
}
-//
-// Interface
-//
+
+/* Interface */
+
int
RndisFilterInit(
NETVSC_DRIVER_OBJECT *Driver
);
-#endif // _RNDISFILTER_H_
+#endif /* _RNDISFILTER_H_ */
#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;
} 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,
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;
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;
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;
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;
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);
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;
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);
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;
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;
{
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);
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;
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();
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;
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);
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;
memset(&props, sizeof(VMSTORAGE_CHANNEL_PROPERTIES), 0);
- // Open the channel
+ /* Open the channel */
ret = Device->Driver->VmbusChannelInterface.Open(Device,
storDriver->RingBufferSize,
storDriver->RingBufferSize,
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);
DPRINT_INFO(STORVSC, "storage device (%p) safe to remove", storDevice);
- // Close the channel
+ /* Close the channel */
Device->Driver->VmbusChannelInterface.Close(Device);
FreeStorDevice(storDevice);
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(
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);
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);
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)
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);
}
}
- // TODO:
+ /* TODO: */
request->BytesXfer = VStorPacket->VmSrb.DataTransferLength;
request->OnIOCompletion(request);
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:
{
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));
}
else
{
- //DPRINT_DBG(STORVSC, "nothing else to read...");
+ /* DPRINT_DBG(STORVSC, "nothing else to read..."); */
break;
}
} while (1);
#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(
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;
driver->GetChannelInterface = VmbusGetChannelInterface;
driver->GetChannelInfo = VmbusGetChannelInfo;
- // Hypervisor initialization...setup hypercall page..etc
+ /* Hypervisor initialization...setup hypercall page..etc */
ret = HvInit();
if (ret != 0)
{
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);
+}
+************* */
/*++
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;
DRIVER_OBJECT* drv
)
{
- //VMBUS_DRIVER_OBJECT* driver = (VMBUS_DRIVER_OBJECT*)drv;
+ /* VMBUS_DRIVER_OBJECT* driver = (VMBUS_DRIVER_OBJECT*)drv; */
DPRINT_ENTER(VMBUS);
HV_MESSAGE *copied;
while (1)
{
- if (msg->Header.MessageType == HvMessageTypeNone) // no msg
+ if (msg->Header.MessageType == HvMessageTypeNone) /* no msg */
{
break;
}
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);
}
}
DRIVER_OBJECT* drv
)
{
- // TODO: Process any events
+ /* TODO: Process any events */
VmbusOnEvents();
}
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]);
return ret;
}
-// eof
+/* eof */
#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,
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;
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,
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
);
-#endif // _VMBUS_PRIVATE_H_
+#endif /* _VMBUS_PRIVATE_H_ */
#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;
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;
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);
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;
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;
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);
{
struct device **curr = (struct device **)data;
*curr = dev;
- return 1; // stop iterating
+ return 1; /* stop iterating */
}
/*++
{
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);
}
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;
}
- // 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)
{
}
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)
{
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)
{
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);
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);
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;
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);
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)
}
else
{
- // TODO: this is currently unsupported device type
+ /* TODO: this is currently unsupported device type */
blkdev->device_type = UNKNOWN_DEV_TYPE;
}
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);
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;
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)
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);
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;
}
}
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];
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)
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);
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;
}
}
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);
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;
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;
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;
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)
{
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;
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);
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);
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;
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);
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)
(!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);
}
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",
-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);
}
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);
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;
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");
{
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);
module_init(blkvsc_init);
module_exit(blkvsc_exit);
-// eof
+/* eof */
#pragma pack(push,1)
-//
-// Version 1 messages
-//
+
+/* Version 1 messages */
+
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
{
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;
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;
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
{
} 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
{
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
#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)
-
#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;
#pragma once
-//
-// Declare the various hypercall operations.
-//
+
+/* Declare the various hypercall operations. */
+
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
{
} 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
{
#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
} 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
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
*/
-// 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)
#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)
#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,
} 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
{
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
{
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
{
HvPortTypeMonitor = 3
} HV_PORT_TYPE, *PHV_PORT_TYPE;
-//
-// Define port information structure.
-//
+
+/* Define port information structure. */
+
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;
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
{
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
{
} 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
{
} 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
{
} 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
{
struct
{
- u32 Pending;
- u32 Armed;
+ u32 Pending;
+ u32 Armed;
};
} HV_MONITOR_TRIGGER_GROUP, *PHV_MONITOR_TRIGGER_GROUP;
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
{
#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
{
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,
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; */
#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);
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 {
} 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;
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_ */
#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);
typedef void (*PFN_ON_HOST_RESCAN)(PDEVICE_OBJECT Device);
-// Matches Windows-end
+/* Matches Windows-end */
typedef enum _STORVSC_REQUEST_TYPE{
WRITE_TYPE,
READ_TYPE,
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;
unsigned char TargetId;
} STORVSC_DEVICE_INFO;
-//
-// Interface
-//
+
+/* Interface */
+
int
StorVscInitialize(
DRIVER_OBJECT *Driver
BlkVscInitialize(
DRIVER_OBJECT *Driver
);
-#endif // _STORVSC_API_H_
+#endif /* _STORVSC_API_H_ */
#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);
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)(
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
);
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;
} VMBUS_DRIVER_OBJECT;
-//
-// Interface
-//
+
+/* Interface */
+
int
VmbusInitialize(
DRIVER_OBJECT* drv
);
-#endif // _VMBUS_API_H_
+#endif /* _VMBUS_API_H_ */
#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
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;
typedef u32 GPADL_HANDLE;
-//
-// Server Flags
-//
+
+/* Server Flags */
+
#define VMBUS_CHANNEL_ENUMERATE_DEVICE_INTERFACE 1
#define VMBUS_CHANNEL_SERVER_SUPPORTS_TRANSFER_PAGES 2
#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
-
#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;
{
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;
#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 {
#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
} 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
#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
-//
-// This is the format for a Additional Data Packet.
-//
+
+/* This is the format for a Additional Data Packet. */
+
#ifdef __cplusplus
} VMBUS_PACKET_TYPE, *PVMBUS_PACKET_TYPE;
#define VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED 1
-
-
#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"
INPUTVSC_DRV|\
BLKVSC_DRV)
-// Logging Level
+/* Logging Level */
#define ERROR_LVL 3
#define WARNING_LVL 4
#define INFO_LVL 6
#define DPRINT_EXIT(mod)
#endif
-#endif //_LOGGING_H_
+#endif /* _LOGGING_H_ */
{
NvspMessageTypeNone = 0,
- //
- // Init Messages
- //
+
+ /* Init Messages */
+
NvspMessageTypeInit = 1,
NvspMessageTypeInitComplete = 2,
NvspVersionMessageStart = 100,
- //
- // Version 1 Messages
- //
+
+ /* Version 1 Messages */
+
NvspMessage1TypeSendNdisVersion = NvspVersionMessageStart,
NvspMessage1TypeSendReceiveBuffer,
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;
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;
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;
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;
} NVSP_ALL_MESSAGES;
-//
-// ALL Messages
-//
+
+/* ALL Messages */
+
typedef struct _NVSP_MESSAGE
{
NVSP_MESSAGE_HEADER Header;
#ifndef _OSD_H_
#define _OSD_H_
-//
-// Defines
-//
+
+/* Defines */
+
#define ALIGN_UP(value, align) ( ((value) & (align-1))? ( ((value) + (align-1)) & ~(align-1) ): (value) )
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 {
__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);
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);
extern void QueueWorkItem(PFN_WORKITEM_CALLBACK workItem, void* context);
-#endif // _OSD_H_
+#endif /* _OSD_H_ */
#ifndef _RNDIS_H_
#define _RNDIS_H_
-//
-// Basic types
-//
+
+/* Basic types */
+
typedef u32 RNDIS_REQUEST_ID;
typedef u32 RNDIS_HANDLE;
typedef u32 RNDIS_STATUS;
typedef u32 *PRNDIS_MEDIUM;
typedef u32 RNDIS_AF;
-//
-// Status codes
-//
+
+/* Status codes */
+
#ifndef STATUS_SUCCESS
#define STATUS_SUCCESS (0x00000000L)
#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
#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
#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
#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
#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
#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
#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
#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
#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
#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;
} RNDIS_INITIALIZE_REQUEST, *PRNDIS_INITIALIZE_REQUEST;
-//
-// Response to NdisInitialize
-//
+
+/* Response to NdisInitialize */
+
typedef struct _RNDIS_INITIALIZE_COMPLETE
{
RNDIS_REQUEST_ID RequestId;
} 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;
} 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;
} RNDIS_QUERY_REQUEST, *PRNDIS_QUERY_REQUEST;
-//
-// Response to NdisQueryRequest
-//
+
+/* Response to NdisQueryRequest */
+
typedef struct _RNDIS_QUERY_COMPLETE
{
RNDIS_REQUEST_ID RequestId;
} RNDIS_QUERY_COMPLETE, *PRNDIS_QUERY_COMPLETE;
-//
-// NdisSetRequest message
-//
+
+/* NdisSetRequest message */
+
typedef struct _RNDIS_SET_REQUEST
{
RNDIS_REQUEST_ID RequestId;
} RNDIS_SET_REQUEST, *PRNDIS_SET_REQUEST;
-//
-// Response to NdisSetRequest
-//
+
+/* Response to NdisSetRequest */
+
typedef struct _RNDIS_SET_COMPLETE
{
RNDIS_REQUEST_ID RequestId;
} 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;
} RNDIS_RESET_COMPLETE, *PRNDIS_RESET_COMPLETE;
-//
-// NdisMIndicateStatus message
-//
+
+/* NdisMIndicateStatus message */
+
typedef struct _RNDIS_INDICATE_STATUS
{
RNDIS_STATUS 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;
-//
-// 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;
} 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;
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;
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;
} 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;
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;
} 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;
} RCONDIS_MP_DELETE_VC_COMPLETE, *PRCONDIS_MP_DELETE_VC_COMPLETE;
-//
-// CoNdisMiniportQueryRequest message
-//
+
+/* CoNdisMiniportQueryRequest message */
+
typedef struct _RCONDIS_MP_QUERY_REQUEST
{
RNDIS_REQUEST_ID RequestId;
} RCONDIS_MP_QUERY_REQUEST, *PRCONDIS_MP_QUERY_REQUEST;
-//
-// CoNdisMiniportSetRequest message
-//
+
+/* CoNdisMiniportSetRequest message */
+
typedef struct _RCONDIS_MP_SET_REQUEST
{
RNDIS_REQUEST_ID RequestId;
} RCONDIS_MP_SET_REQUEST, *PRCONDIS_MP_SET_REQUEST;
-//
-// CoNdisIndicateStatus message
-//
+
+/* CoNdisIndicateStatus message */
+
typedef struct _RCONDIS_INDICATE_STATUS
{
RNDIS_HANDLE NdisVcHandle;
} RCONDIS_INDICATE_STATUS, *PRCONDIS_INDICATE_STATUS;
-//
-// CONDIS Call/VC parameters
-//
+
+/* CONDIS Call/VC parameters */
+
typedef struct _RCONDIS_SPECIFIC_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;
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;
} 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;
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;
} 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;
} 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_ */
#include "VmbusApi.h"
-//
-// Data types
-//
+
+/* Data types */
+
typedef int (*PFN_DRIVERINITIALIZE)(DRIVER_OBJECT *drv);
typedef int (*PFN_DRIVEREXIT)(DRIVER_OBJECT *drv);
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 *);
};
-//
-// 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);
return container_of(driver, struct driver_context, driver);
}
-//
-// Vmbus interface
-//
+
+/* Vmbus interface */
+
void
vmbus_child_driver_register(
struct driver_context* driver_ctx
VMBUS_CHANNEL_INTERFACE *interface
);
-#endif // _VMBUS_H_
+#endif /* _VMBUS_H_ */
#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_) \
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
{
} 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)
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;
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
{
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;
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;
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
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)
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);
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 */
+
/*++
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;
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);
}
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);
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)
{
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)
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);
}
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);
}
{
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)
{
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)
{
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;
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;
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);
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);
}
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);
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)
{
struct device **curr = (struct device **)data;
*curr = dev;
- return 1; // stop iterating
+ return 1; /* stop iterating */
}
/*++
{
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);
#include "include/osd.h"
-//
-// Data types
-//
+
+/* Data types */
+
typedef struct _TIMER {
struct timer_list timer;
PFN_TIMER_CALLBACK callback;
#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);
}
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)
#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)
#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;
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 *);
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",
.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,
};
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);
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);
{
struct device **curr = (struct device **)data;
*curr = dev;
- return 1; // stop iterating
+ return 1; /* stop iterating */
}
/*++
{
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);
}
}
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)
{
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)
{
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);
}
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);
}
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);
{
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)
{
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;
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);
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;
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);
}
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;
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);
}
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);
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;
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:
}
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;
{
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);
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;
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);
}
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. */
}
/*++
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;
}
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;
}
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)
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;
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++)
{
}
}
- // 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]);
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;
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);
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));
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;
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);
}
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;
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)) {
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;
module_init(storvsc_init);
module_exit(storvsc_exit);
-// eof
+/* eof */
#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;
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);
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[] = {
{ }
};
-//
-// 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),
__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,
.bus.dev_attrs = vmbus_device_attrs,
};
-//
-// Routines
-//
+
+/* Routines */
+
/*++
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]); */
+/* } */
/*++
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]); */
+/* } */
/*++
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)
{
goto cleanup;
}
- // Sanity checks
+ /* Sanity checks */
if (!vmbus_drv_obj->Base.OnDeviceAdd)
{
DPRINT_ERR(VMBUS_DRV, "OnDeviceAdd() routine not set");
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,
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);
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();
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);
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);
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)
{
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));
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)
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);
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);
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);
}
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);
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;
}
{
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);
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);
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);
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);
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);
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);
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))
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);
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;
module_init(vmbus_init);
module_exit(vmbus_exit);
-// eof
+/* eof */
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / commitdiff