Staging: hv: coding style cleanup for Channel.c
authorGreg Kroah-Hartman <gregkh@suse.de>
Wed, 2 Sep 2009 00:24:57 +0000 (17:24 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Tue, 15 Sep 2009 19:02:02 +0000 (12:02 -0700)
All clean now.

Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/staging/hv/Channel.c

index d303cbd4c5369479aa73ca2f40fed999565cc90c..442e6a3c6f5a48beb64056a9ac8003000204687f 100644 (file)
@@ -1,5 +1,4 @@
 /*
- *
  * Copyright (c) 2009, Microsoft Corporation.
  *
  * This program is free software; you can redistribute it and/or modify it
@@ -18,9 +17,7 @@
  * Authors:
  *   Haiyang Zhang <haiyangz@microsoft.com>
  *   Hank Janssen  <hjanssen@microsoft.com>
- *
  */
-
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include "osd.h"
 
 /* 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 */
        struct vmbus_channel_msginfo **msgInfo,
-       u32                                     *MessageCount
-       );
+       u32 *MessageCount);
 static void DumpVmbusChannel(struct vmbus_channel *channel);
 static void VmbusChannelSetEvent(struct vmbus_channel *channel);
 
 
 #if 0
-static void
-DumpMonitorPage(
-       struct hv_monitor_page *MonitorPage
-       )
+static void DumpMonitorPage(struct hv_monitor_page *MonitorPage)
 {
-       int i=0;
-       int j=0;
+       int i = 0;
+       int j = 0;
 
-       DPRINT_DBG(VMBUS, "monitorPage - %p, trigger state - %d", MonitorPage, MonitorPage->TriggerState);
+       DPRINT_DBG(VMBUS, "monitorPage - %p, trigger state - %d",
+                  MonitorPage, MonitorPage->TriggerState);
 
-       for (i=0; i<4; i++)
-       {
-               DPRINT_DBG(VMBUS, "trigger group (%d) - %llx", i, MonitorPage->TriggerGroup[i].AsUINT64);
-       }
+       for (i = 0; i < 4; i++)
+               DPRINT_DBG(VMBUS, "trigger group (%d) - %llx", i,
+                          MonitorPage->TriggerGroup[i].AsUINT64);
 
-       for (i=0; i<4; i++)
-       {
-               for (j=0; j<32; j++)
-               {
-                       DPRINT_DBG(VMBUS, "latency (%d)(%d) - %llx", i, j, MonitorPage->Latency[i][j]);
+       for (i = 0; i < 4; i++) {
+               for (j = 0; j < 32; j++) {
+                       DPRINT_DBG(VMBUS, "latency (%d)(%d) - %llx", i, j,
+                                  MonitorPage->Latency[i][j]);
                }
        }
-       for (i=0; i<4; i++)
-       {
-               for (j=0; j<32; j++)
-               {
-                       DPRINT_DBG(VMBUS, "param-conn id (%d)(%d) - %d", i, j, MonitorPage->Parameter[i][j].ConnectionId.Asu32);
-                       DPRINT_DBG(VMBUS, "param-flag (%d)(%d) - %d", i, j, MonitorPage->Parameter[i][j].FlagNumber);
-
+       for (i = 0; i < 4; i++) {
+               for (j = 0; j < 32; j++) {
+                       DPRINT_DBG(VMBUS, "param-conn id (%d)(%d) - %d", i, j,
+                              MonitorPage->Parameter[i][j].ConnectionId.Asu32);
+                       DPRINT_DBG(VMBUS, "param-flag (%d)(%d) - %d", i, j,
+                               MonitorPage->Parameter[i][j].FlagNumber);
                }
        }
 }
 #endif
 
-/*++
-
-Name:
-       VmbusChannelSetEvent()
-
-Description:
-       Trigger an event notification on the specified channel.
-
---*/
+/**
+ * VmbusChannelSetEvent - Trigger an event notification on the specified channel.
+ */
 static void VmbusChannelSetEvent(struct vmbus_channel *Channel)
 {
        struct hv_monitor_page *monitorPage;
 
        DPRINT_ENTER(VMBUS);
 
-       if (Channel->OfferMsg.MonitorAllocated)
-       {
+       if (Channel->OfferMsg.MonitorAllocated) {
                /* Each u32 represents 32 channels */
                set_bit(Channel->OfferMsg.ChildRelId & 31,
                        (unsigned long *) gVmbusConnection.SendInterruptPage +
-                       (Channel->OfferMsg.ChildRelId >> 5) );
+                       (Channel->OfferMsg.ChildRelId >> 5));
 
-               monitorPage = (struct hv_monitor_page *)gVmbusConnection.MonitorPages;
+               monitorPage = gVmbusConnection.MonitorPages;
                monitorPage++; /* Get the child to parent monitor page */
 
                set_bit(Channel->MonitorBit,
-                       (unsigned long *) &monitorPage->TriggerGroup[Channel->MonitorGroup].Pending);
+                       (unsigned long *)&monitorPage->TriggerGroup
+                                       [Channel->MonitorGroup].Pending);
 
-       }
-       else
-       {
+       } else {
                VmbusSetEvent(Channel->OfferMsg.ChildRelId);
        }
 
@@ -117,162 +100,162 @@ static void VmbusChannelClearEvent(struct vmbus_channel *channel)
 
        DPRINT_ENTER(VMBUS);
 
-       if (Channel->OfferMsg.MonitorAllocated)
-       {
+       if (Channel->OfferMsg.MonitorAllocated) {
                /* Each u32 represents 32 channels */
                clear_bit(Channel->OfferMsg.ChildRelId & 31,
-                         (unsigned long *) gVmbusConnection.SendInterruptPage + (Channel->OfferMsg.ChildRelId >> 5));
+                         (unsigned long *)gVmbusConnection.SendInterruptPage +
+                         (Channel->OfferMsg.ChildRelId >> 5));
 
-               monitorPage = (struct hv_monitor_page *)gVmbusConnection.MonitorPages;
+               monitorPage =
+                       (struct hv_monitor_page *)gVmbusConnection.MonitorPages;
                monitorPage++; /* Get the child to parent monitor page */
 
                clear_bit(Channel->MonitorBit,
-                         (unsigned long *) &monitorPage->TriggerGroup[Channel->MonitorGroup].Pending);
+                         (unsigned long *)&monitorPage->TriggerGroup
+                                       [Channel->MonitorGroup].Pending);
        }
 
        DPRINT_EXIT(VMBUS);
 }
 
 #endif
-/*++;
-
-Name:
-       VmbusChannelGetDebugInfo()
-
-Description:
-       Retrieve various channel debug info
-
---*/
+/**
+ * VmbusChannelGetDebugInfo -Retrieve various channel debug info
+ */
 void VmbusChannelGetDebugInfo(struct vmbus_channel *Channel,
                              struct vmbus_channel_debug_info *DebugInfo)
 {
        struct hv_monitor_page *monitorPage;
-    u8 monitorGroup    = (u8)Channel->OfferMsg.MonitorId / 32;
-    u8 monitorOffset   = (u8)Channel->OfferMsg.MonitorId % 32;
+       u8 monitorGroup = (u8)Channel->OfferMsg.MonitorId / 32;
+       u8 monitorOffset = (u8)Channel->OfferMsg.MonitorId % 32;
        /* u32 monitorBit       = 1 << monitorOffset; */
 
        DebugInfo->RelId = Channel->OfferMsg.ChildRelId;
        DebugInfo->State = Channel->State;
-       memcpy(&DebugInfo->InterfaceType, &Channel->OfferMsg.Offer.InterfaceType, sizeof(struct hv_guid));
-       memcpy(&DebugInfo->InterfaceInstance, &Channel->OfferMsg.Offer.InterfaceInstance, sizeof(struct hv_guid));
+       memcpy(&DebugInfo->InterfaceType,
+              &Channel->OfferMsg.Offer.InterfaceType, sizeof(struct hv_guid));
+       memcpy(&DebugInfo->InterfaceInstance,
+              &Channel->OfferMsg.Offer.InterfaceInstance,
+              sizeof(struct hv_guid));
 
        monitorPage = (struct hv_monitor_page *)gVmbusConnection.MonitorPages;
 
        DebugInfo->MonitorId = Channel->OfferMsg.MonitorId;
 
-       DebugInfo->ServerMonitorPending = monitorPage->TriggerGroup[monitorGroup].Pending;
-       DebugInfo->ServerMonitorLatency = monitorPage->Latency[monitorGroup][ monitorOffset];
-       DebugInfo->ServerMonitorConnectionId = monitorPage->Parameter[monitorGroup][ monitorOffset].ConnectionId.u.Id;
+       DebugInfo->ServerMonitorPending =
+                       monitorPage->TriggerGroup[monitorGroup].Pending;
+       DebugInfo->ServerMonitorLatency =
+                       monitorPage->Latency[monitorGroup][monitorOffset];
+       DebugInfo->ServerMonitorConnectionId =
+                       monitorPage->Parameter[monitorGroup]
+                                             [monitorOffset].ConnectionId.u.Id;
 
        monitorPage++;
 
-       DebugInfo->ClientMonitorPending = monitorPage->TriggerGroup[monitorGroup].Pending;
-       DebugInfo->ClientMonitorLatency = monitorPage->Latency[monitorGroup][ monitorOffset];
-       DebugInfo->ClientMonitorConnectionId = monitorPage->Parameter[monitorGroup][ monitorOffset].ConnectionId.u.Id;
+       DebugInfo->ClientMonitorPending =
+                       monitorPage->TriggerGroup[monitorGroup].Pending;
+       DebugInfo->ClientMonitorLatency =
+                       monitorPage->Latency[monitorGroup][monitorOffset];
+       DebugInfo->ClientMonitorConnectionId =
+                       monitorPage->Parameter[monitorGroup]
+                                             [monitorOffset].ConnectionId.u.Id;
 
        RingBufferGetDebugInfo(&Channel->Inbound, &DebugInfo->Inbound);
        RingBufferGetDebugInfo(&Channel->Outbound, &DebugInfo->Outbound);
 }
 
-
-/*++;
-
-Name:
-       VmbusChannelOpen()
-
-Description:
-       Open the specified channel.
-
---*/
-int VmbusChannelOpen(struct vmbus_channel *NewChannel,
-       u32                                     SendRingBufferSize,
-       u32                                     RecvRingBufferSize,
-       void *                                  UserData,
-       u32                                     UserDataLen,
-       PFN_CHANNEL_CALLBACK    pfnOnChannelCallback,
-       void *                                  Context
-       )
+/**
+ * VmbusChannelOpen - Open the specified channel.
+ */
+int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
+                    u32 RecvRingBufferSize, void *UserData, u32 UserDataLen,
+                    PFN_CHANNEL_CALLBACK pfnOnChannelCallback, void *Context)
 {
-       int ret=0;
        struct vmbus_channel_open_channel *openMsg;
        struct vmbus_channel_msginfo *openInfo;
        void *in, *out;
        unsigned long flags;
+       int ret;
 
        DPRINT_ENTER(VMBUS);
 
        /* Aligned to page size */
-       ASSERT(!(SendRingBufferSize & (PAGE_SIZE -1)));
-       ASSERT(!(RecvRingBufferSize & (PAGE_SIZE -1)));
+       ASSERT(!(SendRingBufferSize & (PAGE_SIZE - 1)));
+       ASSERT(!(RecvRingBufferSize & (PAGE_SIZE - 1)));
 
        NewChannel->OnChannelCallback = pfnOnChannelCallback;
        NewChannel->ChannelCallbackContext = Context;
 
        /* Allocate the ring buffer */
-       out = osd_PageAlloc((SendRingBufferSize + RecvRingBufferSize) >> PAGE_SHIFT);
-       /* out = kzalloc(sendRingBufferSize + recvRingBufferSize, GFP_KERNEL); */
+       out = osd_PageAlloc((SendRingBufferSize + RecvRingBufferSize)
+                            >> PAGE_SHIFT);
        ASSERT(out);
        ASSERT(((unsigned long)out & (PAGE_SIZE-1)) == 0);
 
-       in = (void*)((unsigned long)out + SendRingBufferSize);
+       in = (void *)((unsigned long)out + SendRingBufferSize);
 
        NewChannel->RingBufferPages = out;
-       NewChannel->RingBufferPageCount = (SendRingBufferSize + RecvRingBufferSize) >> PAGE_SHIFT;
+       NewChannel->RingBufferPageCount = (SendRingBufferSize +
+                                          RecvRingBufferSize) >> PAGE_SHIFT;
 
        RingBufferInit(&NewChannel->Outbound, out, SendRingBufferSize);
 
        RingBufferInit(&NewChannel->Inbound, in, RecvRingBufferSize);
 
        /* Establish the gpadl for the ring buffer */
-       DPRINT_DBG(VMBUS, "Establishing ring buffer's gpadl for channel %p...", NewChannel);
+       DPRINT_DBG(VMBUS, "Establishing ring buffer's gpadl for channel %p...",
+                  NewChannel);
 
        NewChannel->RingBufferGpadlHandle = 0;
 
        ret = VmbusChannelEstablishGpadl(NewChannel,
-               NewChannel->Outbound.RingBuffer,
-               SendRingBufferSize + RecvRingBufferSize,
-               &NewChannel->RingBufferGpadlHandle);
-
-       DPRINT_DBG(VMBUS, "channel %p <relid %d gpadl 0x%x send ring %p size %d recv ring %p size %d, downstreamoffset %d>",
-               NewChannel,
-               NewChannel->OfferMsg.ChildRelId,
-               NewChannel->RingBufferGpadlHandle,
-               NewChannel->Outbound.RingBuffer,
-               NewChannel->Outbound.RingSize,
-               NewChannel->Inbound.RingBuffer,
-               NewChannel->Inbound.RingSize,
-               SendRingBufferSize);
+                                        NewChannel->Outbound.RingBuffer,
+                                        SendRingBufferSize +
+                                        RecvRingBufferSize,
+                                        &NewChannel->RingBufferGpadlHandle);
+
+       DPRINT_DBG(VMBUS, "channel %p <relid %d gpadl 0x%x send ring %p "
+                  "size %d recv ring %p size %d, downstreamoffset %d>",
+                  NewChannel, NewChannel->OfferMsg.ChildRelId,
+                  NewChannel->RingBufferGpadlHandle,
+                  NewChannel->Outbound.RingBuffer,
+                  NewChannel->Outbound.RingSize,
+                  NewChannel->Inbound.RingBuffer,
+                  NewChannel->Inbound.RingSize,
+                  SendRingBufferSize);
 
        /* Create and init the channel open message */
-       openInfo = kmalloc(sizeof(*openInfo) + sizeof(struct vmbus_channel_open_channel), GFP_KERNEL);
+       openInfo = kmalloc(sizeof(*openInfo) +
+                          sizeof(struct vmbus_channel_open_channel),
+                          GFP_KERNEL);
        ASSERT(openInfo != NULL);
 
        openInfo->WaitEvent = osd_WaitEventCreate();
 
        openMsg = (struct vmbus_channel_open_channel *)openInfo->Msg;
-       openMsg->Header.MessageType                             = ChannelMessageOpenChannel;
-       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->Header.MessageType = ChannelMessageOpenChannel;
+       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 */
 
        ASSERT(UserDataLen <= MAX_USER_DEFINED_BYTES);
        if (UserDataLen)
-       {
                memcpy(openMsg->UserData, UserData, UserDataLen);
-       }
 
        spin_lock_irqsave(&gVmbusConnection.channelmsg_lock, flags);
-       INSERT_TAIL_LIST(&gVmbusConnection.ChannelMsgList, &openInfo->MsgListEntry);
+       INSERT_TAIL_LIST(&gVmbusConnection.ChannelMsgList,
+                        &openInfo->MsgListEntry);
        spin_unlock_irqrestore(&gVmbusConnection.channelmsg_lock, flags);
 
        DPRINT_DBG(VMBUS, "Sending channel open msg...");
 
-       ret = VmbusPostMessage(openMsg, sizeof(struct vmbus_channel_open_channel));
-       if (ret != 0)
-       {
+       ret = VmbusPostMessage(openMsg,
+                              sizeof(struct vmbus_channel_open_channel));
+       if (ret != 0) {
                DPRINT_ERR(VMBUS, "unable to open channel - %d", ret);
                goto Cleanup;
        }
@@ -281,13 +264,10 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel,
        osd_WaitEventWait(openInfo->WaitEvent);
 
        if (openInfo->Response.OpenResult.Status == 0)
-       {
                DPRINT_INFO(VMBUS, "channel <%p> open success!!", NewChannel);
-       }
        else
-       {
-               DPRINT_INFO(VMBUS, "channel <%p> open failed - %d!!", NewChannel, openInfo->Response.OpenResult.Status);
-       }
+               DPRINT_INFO(VMBUS, "channel <%p> open failed - %d!!",
+                           NewChannel, openInfo->Response.OpenResult.Status);
 
 Cleanup:
        spin_lock_irqsave(&gVmbusConnection.channelmsg_lock, flags);
@@ -302,119 +282,97 @@ Cleanup:
        return 0;
 }
 
-/*++;
-
-Name:
-       DumpGpadlBody()
-
-Description:
-       Dump the gpadl body message to the console for debugging purposes.
-
---*/
+/**
+ * DumpGpadlBody - Dump the gpadl body message to the console for debugging purposes.
+ */
 static void DumpGpadlBody(struct vmbus_channel_gpadl_body *Gpadl, u32 Len)
 {
-       int i=0;
-       int pfnCount=0;
+       int i;
+       int pfnCount;
 
-       pfnCount = (Len - sizeof(struct vmbus_channel_gpadl_body))/ sizeof(u64);
+       pfnCount = (Len - sizeof(struct vmbus_channel_gpadl_body)) /
+                  sizeof(u64);
        DPRINT_DBG(VMBUS, "gpadl body - len %d pfn count %d", Len, pfnCount);
 
-       for (i=0; i< pfnCount; i++)
-       {
-               DPRINT_DBG(VMBUS, "gpadl body  - %d) pfn %llu", i, Gpadl->Pfn[i]);
-       }
+       for (i = 0; i < pfnCount; i++)
+               DPRINT_DBG(VMBUS, "gpadl body  - %d) pfn %llu",
+                          i, Gpadl->Pfn[i]);
 }
 
-
-/*++;
-
-Name:
-       DumpGpadlHeader()
-
-Description:
-       Dump the gpadl header message to the console for debugging purposes.
-
---*/
+/**
+ * DumpGpadlHeader - Dump the gpadl header message to the console for debugging purposes.
+ */
 static void DumpGpadlHeader(struct vmbus_channel_gpadl_header *Gpadl)
 {
-       int i=0,j=0;
-       int pageCount=0;
-
+       int i, j;
+       int pageCount;
 
-       DPRINT_DBG(VMBUS, "gpadl header - relid %d, range count %d, range buflen %d",
-                               Gpadl->ChildRelId,
-                               Gpadl->RangeCount,
-                               Gpadl->RangeBufLen);
-       for (i=0; i< Gpadl->RangeCount; i++)
-       {
+       DPRINT_DBG(VMBUS,
+                  "gpadl header - relid %d, range count %d, range buflen %d",
+                  Gpadl->ChildRelId, Gpadl->RangeCount, Gpadl->RangeBufLen);
+       for (i = 0; i < Gpadl->RangeCount; i++) {
                pageCount = Gpadl->Range[i].ByteCount >> PAGE_SHIFT;
-               pageCount = (pageCount > 26)? 26 : pageCount;
+               pageCount = (pageCount > 26) ? 26 : pageCount;
 
-               DPRINT_DBG(VMBUS, "gpadl range %d - len %d offset %d page count %d",
-                       i, Gpadl->Range[i].ByteCount, Gpadl->Range[i].ByteOffset, pageCount);
+               DPRINT_DBG(VMBUS, "gpadl range %d - len %d offset %d "
+                          "page count %d", i, Gpadl->Range[i].ByteCount,
+                          Gpadl->Range[i].ByteOffset, pageCount);
 
-               for (j=0; j< pageCount; j++)
-               {
-                       DPRINT_DBG(VMBUS, "%d) pfn %llu", j, Gpadl->Range[i].PfnArray[j]);
-               }
+               for (j = 0; j < pageCount; j++)
+                       DPRINT_DBG(VMBUS, "%d) pfn %llu", j,
+                                  Gpadl->Range[i].PfnArray[j]);
        }
 }
 
-/*++;
-
-Name:
-       VmbusChannelCreateGpadlHeader()
-
-Description:
-       Creates a gpadl for the specified buffer
-
---*/
-static int
-VmbusChannelCreateGpadlHeader(
-       void *                                  Kbuffer,        /* from kmalloc() */
-       u32                                     Size,           /* page-size multiple */
-       struct vmbus_channel_msginfo **MsgInfo,
-       u32                                     *MessageCount)
+/**
+ * VmbusChannelCreateGpadlHeader - Creates a gpadl for the specified buffer
+ */
+static int VmbusChannelCreateGpadlHeader(void *Kbuffer, u32 Size,
+                                        struct vmbus_channel_msginfo **MsgInfo,
+                                        u32 *MessageCount)
 {
        int i;
        int pageCount;
-    unsigned long long pfn;
+       unsigned long long pfn;
        struct vmbus_channel_gpadl_header *gpaHeader;
        struct vmbus_channel_gpadl_body *gpadlBody;
        struct vmbus_channel_msginfo *msgHeader;
        struct vmbus_channel_msginfo *msgBody;
-       u32                             msgSize;
+       u32 msgSize;
 
        int pfnSum, pfnCount, pfnLeft, pfnCurr, pfnSize;
 
-       /* ASSERT( (kbuffer & (PAGE_SIZE-1)) == 0); */
-       ASSERT( (Size & (PAGE_SIZE-1)) == 0);
+       /* ASSERT((kbuffer & (PAGE_SIZE-1)) == 0); */
+       ASSERT((Size & (PAGE_SIZE-1)) == 0);
 
        pageCount = Size >> PAGE_SHIFT;
        pfn = virt_to_phys(Kbuffer) >> PAGE_SHIFT;
 
        /* do we need a gpadl body msg */
-       pfnSize = MAX_SIZE_CHANNEL_MESSAGE - sizeof(struct vmbus_channel_gpadl_header) - sizeof(struct gpa_range);
+       pfnSize = MAX_SIZE_CHANNEL_MESSAGE -
+                 sizeof(struct vmbus_channel_gpadl_header) -
+                 sizeof(struct 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 */
-               msgSize = sizeof(struct vmbus_channel_msginfo) + sizeof(struct vmbus_channel_gpadl_header) + sizeof(struct gpa_range) + pfnCount*sizeof(u64);
+               msgSize = sizeof(struct vmbus_channel_msginfo) +
+                         sizeof(struct vmbus_channel_gpadl_header) +
+                         sizeof(struct gpa_range) + pfnCount * sizeof(u64);
                msgHeader =  kzalloc(msgSize, GFP_KERNEL);
 
                INITIALIZE_LIST_HEAD(&msgHeader->SubMsgList);
-               msgHeader->MessageSize=msgSize;
+               msgHeader->MessageSize = msgSize;
 
                gpaHeader = (struct vmbus_channel_gpadl_header *)msgHeader->Msg;
                gpaHeader->RangeCount = 1;
-               gpaHeader->RangeBufLen = sizeof(struct gpa_range) + pageCount*sizeof(u64);
+               gpaHeader->RangeBufLen = sizeof(struct gpa_range) +
+                                        pageCount * sizeof(u64);
                gpaHeader->Range[0].ByteOffset = 0;
                gpaHeader->Range[0].ByteCount = Size;
-               for (i=0; i<pfnCount; i++)
-               {
+               for (i = 0; i < pfnCount; i++)
                        gpaHeader->Range[0].PfnArray[i] = pfn+i;
-               }
                *MsgInfo = msgHeader;
                *MessageCount = 1;
 
@@ -422,57 +380,58 @@ VmbusChannelCreateGpadlHeader(
                pfnLeft = pageCount - pfnCount;
 
                /* how many pfns can we fit */
-               pfnSize = MAX_SIZE_CHANNEL_MESSAGE - sizeof(struct vmbus_channel_gpadl_body);
+               pfnSize = MAX_SIZE_CHANNEL_MESSAGE -
+                         sizeof(struct vmbus_channel_gpadl_body);
                pfnCount = pfnSize / sizeof(u64);
 
                /* fill in the body */
-               while (pfnLeft)
-               {
+               while (pfnLeft) {
                        if (pfnLeft > pfnCount)
-                       {
                                pfnCurr = pfnCount;
-                       }
                        else
-                       {
                                pfnCurr = pfnLeft;
-                       }
 
-                       msgSize = sizeof(struct vmbus_channel_msginfo) + sizeof(struct vmbus_channel_gpadl_body) + pfnCurr*sizeof(u64);
+                       msgSize = sizeof(struct vmbus_channel_msginfo) +
+                                 sizeof(struct vmbus_channel_gpadl_body) +
+                                 pfnCurr * sizeof(u64);
                        msgBody = kzalloc(msgSize, GFP_KERNEL);
                        ASSERT(msgBody);
                        msgBody->MessageSize = msgSize;
                        (*MessageCount)++;
-                       gpadlBody = (struct vmbus_channel_gpadl_body *)msgBody->Msg;
-
-                       /* FIXME: Gpadl is u32 and we are using a pointer which could be 64-bit */
+                       gpadlBody =
+                               (struct vmbus_channel_gpadl_body *)msgBody->Msg;
+
+                       /*
+                        * FIXME:
+                        * Gpadl is u32 and we are using a pointer which could
+                        * be 64-bit
+                        */
                        /* gpadlBody->Gpadl = kbuffer; */
-                       for (i=0; i<pfnCurr; i++)
-                       {
+                       for (i = 0; i < pfnCurr; i++)
                                gpadlBody->Pfn[i] = pfn + pfnSum + i;
-                       }
 
                        /* add to msg header */
-                       INSERT_TAIL_LIST(&msgHeader->SubMsgList, &msgBody->MsgListEntry);
+                       INSERT_TAIL_LIST(&msgHeader->SubMsgList,
+                                        &msgBody->MsgListEntry);
                        pfnSum += pfnCurr;
                        pfnLeft -= pfnCurr;
                }
-       }
-       else
-       {
+       } else {
                /* everything fits in a header */
-               msgSize = sizeof(struct vmbus_channel_msginfo) + sizeof(struct vmbus_channel_gpadl_header) + sizeof(struct gpa_range) + pageCount*sizeof(u64);
+               msgSize = sizeof(struct vmbus_channel_msginfo) +
+                         sizeof(struct vmbus_channel_gpadl_header) +
+                         sizeof(struct gpa_range) + pageCount * sizeof(u64);
                msgHeader = kzalloc(msgSize, GFP_KERNEL);
-               msgHeader->MessageSize=msgSize;
+               msgHeader->MessageSize = msgSize;
 
                gpaHeader = (struct vmbus_channel_gpadl_header *)msgHeader->Msg;
                gpaHeader->RangeCount = 1;
-               gpaHeader->RangeBufLen = sizeof(struct gpa_range) + pageCount*sizeof(u64);
+               gpaHeader->RangeBufLen = sizeof(struct gpa_range) +
+                                        pageCount * sizeof(u64);
                gpaHeader->Range[0].ByteOffset = 0;
                gpaHeader->Range[0].ByteCount = Size;
-               for (i=0; i<pageCount; i++)
-               {
+               for (i = 0; i < pageCount; i++)
                        gpaHeader->Range[0].PfnArray[i] = pfn+i;
-               }
 
                *MsgInfo = msgHeader;
                *MessageCount = 1;
@@ -481,35 +440,28 @@ VmbusChannelCreateGpadlHeader(
        return 0;
 }
 
-
-/*++;
-
-Name:
-       VmbusChannelEstablishGpadl()
-
-Description:
-       Estabish a GPADL for the specified buffer
-
---*/
-int VmbusChannelEstablishGpadl(struct vmbus_channel *Channel,
-       void *                  Kbuffer,        /* from kmalloc() */
-       u32                     Size,           /* page-size multiple */
-       u32                     *GpadlHandle
-       )
+/**
+ * VmbusChannelEstablishGpadl - Estabish a GPADL for the specified buffer
+ *
+ * @Channel: a channel
+ * @Kbuffer: from kmalloc
+ * @Size: page-size multiple
+ * @GpadlHandle: some funky thing
+ */
+int VmbusChannelEstablishGpadl(struct vmbus_channel *Channel, void *Kbuffer,
+                              u32 Size, u32 *GpadlHandle)
 {
-       int ret=0;
        struct vmbus_channel_gpadl_header *gpadlMsg;
        struct vmbus_channel_gpadl_body *gpadlBody;
        /* struct vmbus_channel_gpadl_created *gpadlCreated; */
-
        struct vmbus_channel_msginfo *msgInfo;
        struct vmbus_channel_msginfo *subMsgInfo;
-
        u32 msgCount;
-       LIST_ENTRYanchor;
-       LIST_ENTRYcurr;
+       LIST_ENTRY *anchor;
+       LIST_ENTRY *curr;
        u32 nextGpadlHandle;
        unsigned long flags;
+       int ret;
 
        DPRINT_ENTER(VMBUS);
 
@@ -518,7 +470,7 @@ int VmbusChannelEstablishGpadl(struct vmbus_channel *Channel,
 
        VmbusChannelCreateGpadlHeader(Kbuffer, Size, &msgInfo, &msgCount);
        ASSERT(msgInfo != NULL);
-       ASSERT(msgCount >0);
+       ASSERT(msgCount > 0);
 
        msgInfo->WaitEvent = osd_WaitEventCreate();
        gpadlMsg = (struct vmbus_channel_gpadl_header *)msgInfo->Msg;
@@ -529,44 +481,52 @@ int VmbusChannelEstablishGpadl(struct vmbus_channel *Channel,
        DumpGpadlHeader(gpadlMsg);
 
        spin_lock_irqsave(&gVmbusConnection.channelmsg_lock, flags);
-       INSERT_TAIL_LIST(&gVmbusConnection.ChannelMsgList, &msgInfo->MsgListEntry);
+       INSERT_TAIL_LIST(&gVmbusConnection.ChannelMsgList,
+                        &msgInfo->MsgListEntry);
        spin_unlock_irqrestore(&gVmbusConnection.channelmsg_lock, flags);
 
-       DPRINT_DBG(VMBUS, "buffer %p, size %d msg cnt %d", Kbuffer, Size, msgCount);
+       DPRINT_DBG(VMBUS, "buffer %p, size %d msg cnt %d",
+                  Kbuffer, Size, msgCount);
 
-       DPRINT_DBG(VMBUS, "Sending GPADL Header - len %zd", msgInfo->MessageSize - sizeof(*msgInfo));
+       DPRINT_DBG(VMBUS, "Sending GPADL Header - len %zd",
+                  msgInfo->MessageSize - sizeof(*msgInfo));
 
-       ret = VmbusPostMessage(gpadlMsg, msgInfo->MessageSize - sizeof(*msgInfo));
-       if (ret != 0)
-       {
+       ret = VmbusPostMessage(gpadlMsg, msgInfo->MessageSize -
+                              sizeof(*msgInfo));
+       if (ret != 0) {
                DPRINT_ERR(VMBUS, "Unable to open channel - %d", ret);
                goto Cleanup;
        }
 
-       if (msgCount>1)
-       {
-               ITERATE_LIST_ENTRIES(anchor, curr, &msgInfo->SubMsgList)
-               {
+       if (msgCount > 1) {
+               ITERATE_LIST_ENTRIES(anchor, curr, &msgInfo->SubMsgList) {
                        subMsgInfo = (struct vmbus_channel_msginfo *)curr;
-                       gpadlBody = (struct vmbus_channel_gpadl_body *)subMsgInfo->Msg;
+                       gpadlBody =
+                            (struct vmbus_channel_gpadl_body *)subMsgInfo->Msg;
 
                        gpadlBody->Header.MessageType = ChannelMessageGpadlBody;
                        gpadlBody->Gpadl = nextGpadlHandle;
 
-                       DPRINT_DBG(VMBUS, "Sending GPADL Body - len %zd", subMsgInfo->MessageSize - sizeof(*subMsgInfo));
+                       DPRINT_DBG(VMBUS, "Sending GPADL Body - len %zd",
+                                  subMsgInfo->MessageSize -
+                                  sizeof(*subMsgInfo));
 
-                       DumpGpadlBody(gpadlBody, subMsgInfo->MessageSize - sizeof(*subMsgInfo));
-                       ret = VmbusPostMessage(gpadlBody, subMsgInfo->MessageSize - sizeof(*subMsgInfo));
+                       DumpGpadlBody(gpadlBody, subMsgInfo->MessageSize -
+                                     sizeof(*subMsgInfo));
+                       ret = VmbusPostMessage(gpadlBody,
+                                              subMsgInfo->MessageSize -
+                                              sizeof(*subMsgInfo));
                        ASSERT(ret == 0);
                }
        }
        osd_WaitEventWait(msgInfo->WaitEvent);
 
        /* 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,
-               gpadlMsg->Gpadl);
+       DPRINT_DBG(VMBUS, "Received GPADL created "
+                  "(relid %d, status %d handle %x)",
+                  Channel->OfferMsg.ChildRelId,
+                  msgInfo->Response.GpadlCreated.CreationStatus,
+                  gpadlMsg->Gpadl);
 
        *GpadlHandle = gpadlMsg->Gpadl;
 
@@ -583,29 +543,22 @@ Cleanup:
        return ret;
 }
 
-
-
-/*++;
-
-Name:
-       VmbusChannelTeardownGpadl()
-
-Description:
-       Teardown the specified GPADL handle
-
---*/
+/**
+ * VmbusChannelTeardownGpadl -Teardown the specified GPADL handle
+ */
 int VmbusChannelTeardownGpadl(struct vmbus_channel *Channel, u32 GpadlHandle)
 {
-       int ret=0;
        struct vmbus_channel_gpadl_teardown *msg;
        struct vmbus_channel_msginfo *info;
        unsigned long flags;
+       int ret;
 
        DPRINT_ENTER(VMBUS);
 
        ASSERT(GpadlHandle != 0);
 
-       info = kmalloc(sizeof(*info) + sizeof(struct vmbus_channel_gpadl_teardown), GFP_KERNEL);
+       info = kmalloc(sizeof(*info) +
+                      sizeof(struct vmbus_channel_gpadl_teardown), GFP_KERNEL);
        ASSERT(info != NULL);
 
        info->WaitEvent = osd_WaitEventCreate();
@@ -613,17 +566,18 @@ int VmbusChannelTeardownGpadl(struct vmbus_channel *Channel, u32 GpadlHandle)
        msg = (struct vmbus_channel_gpadl_teardown *)info->Msg;
 
        msg->Header.MessageType = ChannelMessageGpadlTeardown;
-    msg->ChildRelId  = Channel->OfferMsg.ChildRelId;
-    msg->Gpadl       = GpadlHandle;
+       msg->ChildRelId = Channel->OfferMsg.ChildRelId;
+       msg->Gpadl = GpadlHandle;
 
        spin_lock_irqsave(&gVmbusConnection.channelmsg_lock, flags);
        INSERT_TAIL_LIST(&gVmbusConnection.ChannelMsgList, &info->MsgListEntry);
        spin_unlock_irqrestore(&gVmbusConnection.channelmsg_lock, flags);
 
-       ret = VmbusPostMessage(msg, sizeof(struct vmbus_channel_gpadl_teardown));
-       if (ret != 0)
-       {
+       ret = VmbusPostMessage(msg,
+                              sizeof(struct vmbus_channel_gpadl_teardown));
+       if (ret != 0) {
                /* TODO: */
+               /* something... */
        }
 
        osd_WaitEventWait(info->WaitEvent);
@@ -641,22 +595,15 @@ int VmbusChannelTeardownGpadl(struct vmbus_channel *Channel, u32 GpadlHandle)
        return ret;
 }
 
-
-/*++
-
-Name:
-       VmbusChannelClose()
-
-Description:
-       Close the specified channel
-
---*/
+/**
+ * VmbusChannelClose - Close the specified channel
+ */
 void VmbusChannelClose(struct vmbus_channel *Channel)
 {
-       int ret=0;
        struct vmbus_channel_close_channel *msg;
        struct vmbus_channel_msginfo *info;
        unsigned long flags;
+       int ret;
 
        DPRINT_ENTER(VMBUS);
 
@@ -665,26 +612,26 @@ void VmbusChannelClose(struct vmbus_channel *Channel)
        del_timer(&Channel->poll_timer);
 
        /* Send a closing message */
-       info = kmalloc(sizeof(*info) + sizeof(struct vmbus_channel_close_channel), GFP_KERNEL);
+       info = kmalloc(sizeof(*info) +
+                      sizeof(struct vmbus_channel_close_channel), GFP_KERNEL);
        ASSERT(info != NULL);
 
        /* info->waitEvent = osd_WaitEventCreate(); */
 
        msg = (struct vmbus_channel_close_channel *)info->Msg;
-       msg->Header.MessageType                         = ChannelMessageCloseChannel;
-    msg->ChildRelId                                            = Channel->OfferMsg.ChildRelId;
+       msg->Header.MessageType = ChannelMessageCloseChannel;
+       msg->ChildRelId = Channel->OfferMsg.ChildRelId;
 
        ret = VmbusPostMessage(msg, sizeof(struct vmbus_channel_close_channel));
-       if (ret != 0)
-       {
+       if (ret != 0) {
                /* TODO: */
+               /* something... */
        }
 
        /* Tear down the gpadl for the channel's ring buffer */
        if (Channel->RingBufferGpadlHandle)
-       {
-               VmbusChannelTeardownGpadl(Channel, Channel->RingBufferGpadlHandle);
-       }
+               VmbusChannelTeardownGpadl(Channel,
+                                         Channel->RingBufferGpadlHandle);
 
        /* TODO: Send a msg to release the childRelId */
 
@@ -696,15 +643,13 @@ void VmbusChannelClose(struct vmbus_channel *Channel)
 
        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 (Channel->State == CHANNEL_OPEN_STATE)
-       {
+       if (Channel->State == CHANNEL_OPEN_STATE) {
                spin_lock_irqsave(&gVmbusConnection.channel_lock, flags);
                REMOVE_ENTRY_LIST(&Channel->ListEntry);
                spin_unlock_irqrestore(&gVmbusConnection.channel_lock, flags);
@@ -715,33 +660,23 @@ void VmbusChannelClose(struct vmbus_channel *Channel)
        DPRINT_EXIT(VMBUS);
 }
 
-
-/*++
-
-Name:
-       VmbusChannelSendPacket()
-
-Description:
-       Send the specified buffer on the given channel
-
---*/
-int VmbusChannelSendPacket(struct vmbus_channel *Channel,
-       const void *                    Buffer,
-       u32                             BufferLen,
-       u64                             RequestId,
-       enum vmbus_packet_type Type,
-       u32                             Flags
-)
+/**
+ * VmbusChannelSendPacket - Send the specified buffer on the given channel
+ */
+int VmbusChannelSendPacket(struct vmbus_channel *Channel, const void *Buffer,
+                          u32 BufferLen, u64 RequestId,
+                          enum vmbus_packet_type Type, u32 Flags)
 {
-       int ret=0;
        struct vmpacket_descriptor desc;
        u32 packetLen = sizeof(struct vmpacket_descriptor) + BufferLen;
        u32 packetLenAligned = ALIGN_UP(packetLen, sizeof(u64));
        struct scatterlist bufferList[3];
-       u64 alignedData=0;
+       u64 alignedData = 0;
+       int ret;
 
        DPRINT_ENTER(VMBUS);
-       DPRINT_DBG(VMBUS, "channel %p buffer %p len %d", Channel, Buffer, BufferLen);
+       DPRINT_DBG(VMBUS, "channel %p buffer %p len %d",
+                  Channel, Buffer, BufferLen);
 
        DumpVmbusChannel(Channel);
 
@@ -750,57 +685,43 @@ int VmbusChannelSendPacket(struct vmbus_channel *Channel,
        /* Setup the descriptor */
        desc.Type = Type; /* VmbusPacketTypeDataInBand; */
        desc.Flags = Flags; /* VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED; */
-       desc.DataOffset8 = sizeof(struct vmpacket_descriptor) >> 3; /* in 8-bytes granularity */
+       /* in 8-bytes granularity */
+       desc.DataOffset8 = sizeof(struct vmpacket_descriptor) >> 3;
        desc.Length8 = (u16)(packetLenAligned >> 3);
        desc.TransactionId = RequestId;
 
-       sg_init_table(bufferList,3);
+       sg_init_table(bufferList, 3);
        sg_set_buf(&bufferList[0], &desc, sizeof(struct vmpacket_descriptor));
        sg_set_buf(&bufferList[1], Buffer, BufferLen);
        sg_set_buf(&bufferList[2], &alignedData, packetLenAligned - packetLen);
 
-       ret = RingBufferWrite(
-               &Channel->Outbound,
-               bufferList,
-               3);
+       ret = RingBufferWrite(&Channel->Outbound, bufferList, 3);
 
        /* TODO: We should determine if this is optional */
        if (ret == 0 && !GetRingBufferInterruptMask(&Channel->Outbound))
-       {
                VmbusChannelSetEvent(Channel);
-       }
 
        DPRINT_EXIT(VMBUS);
 
        return ret;
 }
 
-
-/*++
-
-Name:
-       VmbusChannelSendPacketPageBuffer()
-
-Description:
-       Send a range of single-page buffer packets using a GPADL Direct packet type.
-
---*/
+/**
+ * VmbusChannelSendPacketPageBuffer - Send a range of single-page buffer packets using a GPADL Direct packet type.
+ */
 int VmbusChannelSendPacketPageBuffer(struct vmbus_channel *Channel,
-       struct hv_page_buffer PageBuffers[],
-       u32                             PageCount,
-       void *                          Buffer,
-       u32                             BufferLen,
-       u64                             RequestId
-)
+                                    struct hv_page_buffer PageBuffers[],
+                                    u32 PageCount, void *Buffer, u32 BufferLen,
+                                    u64 RequestId)
 {
-       int ret=0;
-       int i=0;
+       int ret;
+       int i;
        struct VMBUS_CHANNEL_PACKET_PAGE_BUFFER desc;
        u32 descSize;
        u32 packetLen;
        u32 packetLenAligned;
        struct scatterlist bufferList[3];
-       u64 alignedData=0;
+       u64 alignedData = 0;
 
        DPRINT_ENTER(VMBUS);
 
@@ -808,8 +729,13 @@ int VmbusChannelSendPacketPageBuffer(struct vmbus_channel *Channel,
 
        DumpVmbusChannel(Channel);
 
-       /* Adjust the size down since VMBUS_CHANNEL_PACKET_PAGE_BUFFER is the largest size we support */
-       descSize = sizeof(struct VMBUS_CHANNEL_PACKET_PAGE_BUFFER) - ((MAX_PAGE_BUFFER_COUNT - PageCount)*sizeof(struct hv_page_buffer));
+       /*
+        * Adjust the size down since VMBUS_CHANNEL_PACKET_PAGE_BUFFER is the
+        * largest size we support
+        */
+       descSize = sizeof(struct VMBUS_CHANNEL_PACKET_PAGE_BUFFER) -
+                         ((MAX_PAGE_BUFFER_COUNT - PageCount) *
+                         sizeof(struct hv_page_buffer));
        packetLen = descSize + BufferLen;
        packetLenAligned = ALIGN_UP(packetLen, sizeof(u64));
 
@@ -823,72 +749,62 @@ int VmbusChannelSendPacketPageBuffer(struct vmbus_channel *Channel,
        desc.TransactionId = RequestId;
        desc.RangeCount = PageCount;
 
-       for (i=0; i<PageCount; i++)
-       {
+       for (i = 0; i < PageCount; i++) {
                desc.Range[i].Length = PageBuffers[i].Length;
                desc.Range[i].Offset = PageBuffers[i].Offset;
                desc.Range[i].Pfn        = PageBuffers[i].Pfn;
        }
 
-       sg_init_table(bufferList,3);
+       sg_init_table(bufferList, 3);
        sg_set_buf(&bufferList[0], &desc, descSize);
        sg_set_buf(&bufferList[1], Buffer, BufferLen);
        sg_set_buf(&bufferList[2], &alignedData, packetLenAligned - packetLen);
 
-       ret = RingBufferWrite(
-               &Channel->Outbound,
-               bufferList,
-               3);
+       ret = RingBufferWrite(&Channel->Outbound, bufferList, 3);
 
        /* TODO: We should determine if this is optional */
        if (ret == 0 && !GetRingBufferInterruptMask(&Channel->Outbound))
-       {
                VmbusChannelSetEvent(Channel);
-       }
 
        DPRINT_EXIT(VMBUS);
 
        return ret;
 }
 
-
-
-/*++
-
-Name:
-       VmbusChannelSendPacketMultiPageBuffer()
-
-Description:
-       Send a multi-page buffer packet using a GPADL Direct packet type.
-
---*/
+/**
+ * VmbusChannelSendPacketMultiPageBuffer - Send a multi-page buffer packet using a GPADL Direct packet type.
+ */
 int VmbusChannelSendPacketMultiPageBuffer(struct vmbus_channel *Channel,
-       struct hv_multipage_buffer *MultiPageBuffer,
-       void *                          Buffer,
-       u32                             BufferLen,
-       u64                             RequestId
-)
+                               struct hv_multipage_buffer *MultiPageBuffer,
+                               void *Buffer, u32 BufferLen, u64 RequestId)
 {
-       int ret=0;
+       int ret;
        struct VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER desc;
        u32 descSize;
        u32 packetLen;
        u32 packetLenAligned;
        struct scatterlist bufferList[3];
-       u64 alignedData=0;
-       u32 PfnCount = NUM_PAGES_SPANNED(MultiPageBuffer->Offset, MultiPageBuffer->Length);
+       u64 alignedData = 0;
+       u32 PfnCount = NUM_PAGES_SPANNED(MultiPageBuffer->Offset,
+                                        MultiPageBuffer->Length);
 
        DPRINT_ENTER(VMBUS);
 
        DumpVmbusChannel(Channel);
 
-       DPRINT_DBG(VMBUS, "data buffer - offset %u len %u pfn count %u", MultiPageBuffer->Offset, MultiPageBuffer->Length, PfnCount);
+       DPRINT_DBG(VMBUS, "data buffer - offset %u len %u pfn count %u",
+                  MultiPageBuffer->Offset, MultiPageBuffer->Length, PfnCount);
 
        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 */
-       descSize = sizeof(struct VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER) - ((MAX_MULTIPAGE_BUFFER_COUNT - PfnCount)*sizeof(u64));
+       /*
+        * Adjust the size down since VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER is
+        * the largest size we support
+        */
+       descSize = sizeof(struct VMBUS_CHANNEL_PACKET_MULITPAGE_BUFFER) -
+                         ((MAX_MULTIPAGE_BUFFER_COUNT - PfnCount) *
+                         sizeof(u64));
        packetLen = descSize + BufferLen;
        packetLenAligned = ALIGN_UP(packetLen, sizeof(u64));
 
@@ -905,45 +821,31 @@ int VmbusChannelSendPacketMultiPageBuffer(struct vmbus_channel *Channel,
        desc.Range.Length = MultiPageBuffer->Length;
        desc.Range.Offset = MultiPageBuffer->Offset;
 
-       memcpy(desc.Range.PfnArray, MultiPageBuffer->PfnArray, PfnCount*sizeof(u64));
+       memcpy(desc.Range.PfnArray, MultiPageBuffer->PfnArray,
+              PfnCount * sizeof(u64));
 
-       sg_init_table(bufferList,3);
+       sg_init_table(bufferList, 3);
        sg_set_buf(&bufferList[0], &desc, descSize);
        sg_set_buf(&bufferList[1], Buffer, BufferLen);
        sg_set_buf(&bufferList[2], &alignedData, packetLenAligned - packetLen);
 
-       ret = RingBufferWrite(
-               &Channel->Outbound,
-               bufferList,
-               3);
+       ret = RingBufferWrite(&Channel->Outbound, bufferList, 3);
 
        /* TODO: We should determine if this is optional */
        if (ret == 0 && !GetRingBufferInterruptMask(&Channel->Outbound))
-       {
                VmbusChannelSetEvent(Channel);
-       }
 
        DPRINT_EXIT(VMBUS);
 
        return ret;
 }
 
-
-/*++
-
-Name:
-       VmbusChannelRecvPacket()
-
-Description:
-       Retrieve the user packet on the specified channel
-
---*/
+/**
+ * VmbusChannelRecvPacket - Retrieve the user packet on the specified channel
+ */
 /* TODO: Do we ever receive a gpa direct packet other than the ones we send ? */
-int VmbusChannelRecvPacket(struct vmbus_channel *Channel,
-                          void *Buffer,
-                          u32 BufferLen,
-                          u32 *BufferActualLen,
-                          u64 *RequestId)
+int VmbusChannelRecvPacket(struct vmbus_channel *Channel, void *Buffer,
+                          u32 BufferLen, u32 *BufferActualLen, u64 *RequestId)
 {
        struct vmpacket_descriptor desc;
        u32 packetLen;
@@ -958,9 +860,9 @@ int VmbusChannelRecvPacket(struct vmbus_channel *Channel,
 
        spin_lock_irqsave(&Channel->inbound_lock, flags);
 
-       ret = RingBufferPeek(&Channel->Inbound, &desc, sizeof(struct vmpacket_descriptor));
-       if (ret != 0)
-       {
+       ret = RingBufferPeek(&Channel->Inbound, &desc,
+                            sizeof(struct vmpacket_descriptor));
+       if (ret != 0) {
                spin_unlock_irqrestore(&Channel->inbound_lock, flags);
 
                /* DPRINT_DBG(VMBUS, "nothing to read!!"); */
@@ -974,20 +876,18 @@ int VmbusChannelRecvPacket(struct vmbus_channel *Channel,
        userLen = packetLen - (desc.DataOffset8 << 3);
        /* ASSERT(userLen > 0); */
 
-       DPRINT_DBG(VMBUS, "packet received on channel %p relid %d <type %d flag %d tid %llx pktlen %d datalen %d> ",
-               Channel,
-               Channel->OfferMsg.ChildRelId,
-               desc.Type,
-               desc.Flags,
-               desc.TransactionId, packetLen, userLen);
+       DPRINT_DBG(VMBUS, "packet received on channel %p relid %d <type %d "
+                  "flag %d tid %llx pktlen %d datalen %d> ",
+                  Channel, Channel->OfferMsg.ChildRelId, desc.Type,
+                  desc.Flags, desc.TransactionId, packetLen, userLen);
 
        *BufferActualLen = userLen;
 
-       if (userLen > BufferLen)
-       {
+       if (userLen > BufferLen) {
                spin_unlock_irqrestore(&Channel->inbound_lock, flags);
 
-               DPRINT_ERR(VMBUS, "buffer too small - got %d needs %d", BufferLen, userLen);
+               DPRINT_ERR(VMBUS, "buffer too small - got %d needs %d",
+                          BufferLen, userLen);
                DPRINT_EXIT(VMBUS);
 
                return -1;
@@ -996,7 +896,8 @@ int VmbusChannelRecvPacket(struct vmbus_channel *Channel,
        *RequestId = desc.TransactionId;
 
        /* Copy over the packet to the user buffer */
-       ret = RingBufferRead(&Channel->Inbound, Buffer, userLen, (desc.DataOffset8 << 3));
+       ret = RingBufferRead(&Channel->Inbound, Buffer, userLen,
+                            (desc.DataOffset8 << 3));
 
        spin_unlock_irqrestore(&Channel->inbound_lock, flags);
 
@@ -1005,21 +906,12 @@ int VmbusChannelRecvPacket(struct vmbus_channel *Channel,
        return 0;
 }
 
-/*++
-
-Name:
-       VmbusChannelRecvPacketRaw()
-
-Description:
-       Retrieve the raw packet on the specified channel
-
---*/
-int VmbusChannelRecvPacketRaw(struct vmbus_channel *Channel,
-       void *                          Buffer,
-       u32                             BufferLen,
-       u32*                            BufferActualLen,
-       u64*                            RequestId
-       )
+/**
+ * VmbusChannelRecvPacketRaw - Retrieve the raw packet on the specified channel
+ */
+int VmbusChannelRecvPacketRaw(struct vmbus_channel *Channel, void *Buffer,
+                             u32 BufferLen, u32 *BufferActualLen,
+                             u64 *RequestId)
 {
        struct vmpacket_descriptor desc;
        u32 packetLen;
@@ -1034,9 +926,9 @@ int VmbusChannelRecvPacketRaw(struct vmbus_channel *Channel,
 
        spin_lock_irqsave(&Channel->inbound_lock, flags);
 
-       ret = RingBufferPeek(&Channel->Inbound, &desc, sizeof(struct vmpacket_descriptor));
-       if (ret != 0)
-       {
+       ret = RingBufferPeek(&Channel->Inbound, &desc,
+                            sizeof(struct vmpacket_descriptor));
+       if (ret != 0) {
                spin_unlock_irqrestore(&Channel->inbound_lock, flags);
 
                /* DPRINT_DBG(VMBUS, "nothing to read!!"); */
@@ -1049,20 +941,18 @@ int VmbusChannelRecvPacketRaw(struct vmbus_channel *Channel,
        packetLen = desc.Length8 << 3;
        userLen = packetLen - (desc.DataOffset8 << 3);
 
-       DPRINT_DBG(VMBUS, "packet received on channel %p relid %d <type %d flag %d tid %llx pktlen %d datalen %d> ",
-               Channel,
-               Channel->OfferMsg.ChildRelId,
-               desc.Type,
-               desc.Flags,
-               desc.TransactionId, packetLen, userLen);
+       DPRINT_DBG(VMBUS, "packet received on channel %p relid %d <type %d "
+                  "flag %d tid %llx pktlen %d datalen %d> ",
+                  Channel, Channel->OfferMsg.ChildRelId, desc.Type,
+                  desc.Flags, desc.TransactionId, packetLen, userLen);
 
        *BufferActualLen = packetLen;
 
-       if (packetLen > BufferLen)
-       {
+       if (packetLen > BufferLen) {
                spin_unlock_irqrestore(&Channel->inbound_lock, flags);
 
-               DPRINT_ERR(VMBUS, "buffer too small - needed %d bytes but got space for only %d bytes", packetLen, BufferLen);
+               DPRINT_ERR(VMBUS, "buffer too small - needed %d bytes but "
+                          "got space for only %d bytes", packetLen, BufferLen);
                DPRINT_EXIT(VMBUS);
                return -2;
        }
@@ -1079,16 +969,9 @@ int VmbusChannelRecvPacketRaw(struct vmbus_channel *Channel,
        return 0;
 }
 
-
-/*++
-
-Name:
-       VmbusChannelOnChannelEvent()
-
-Description:
-       Channel event callback
-
---*/
+/**
+ * VmbusChannelOnChannelEvent - Channel event callback
+ */
 void VmbusChannelOnChannelEvent(struct vmbus_channel *Channel)
 {
        DumpVmbusChannel(Channel);
@@ -1103,21 +986,14 @@ void VmbusChannelOnChannelEvent(struct vmbus_channel *Channel)
 #endif
 }
 
-/*++
-
-Name:
-       VmbusChannelOnTimer()
-
-Description:
-       Timer event callback
-
---*/
+/**
+ * VmbusChannelOnTimer - Timer event callback
+ */
 void VmbusChannelOnTimer(unsigned long data)
 {
        struct vmbus_channel *channel = (struct vmbus_channel *)data;
 
-       if (channel->OnChannelCallback)
-       {
+       if (channel->OnChannelCallback) {
                channel->OnChannelCallback(channel->ChannelCallbackContext);
 #ifdef ENABLE_POLLING
                channel->poll_timer.expires(jiffies + usecs_to_jiffies(100);
@@ -1126,22 +1002,12 @@ void VmbusChannelOnTimer(unsigned long data)
        }
 }
 
-
-/*++
-
-Name:
-       DumpVmbusChannel()
-
-Description:
-       Dump vmbus channel info to the console
-
---*/
+/**
+ * DumpVmbusChannel - Dump vmbus channel info to the console
+ */
 static void DumpVmbusChannel(struct vmbus_channel *Channel)
 {
        DPRINT_DBG(VMBUS, "Channel (%d)", Channel->OfferMsg.ChildRelId);
        DumpRingInfo(&Channel->Outbound, "Outbound ");
        DumpRingInfo(&Channel->Inbound, "Inbound ");
 }
-
-
-/* eof */