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Message-ID: <8AFC7968D54FB448A30D8F38F259C56217DBFDF9@TK5EX14MBXC116.redmond.corp.microsoft.com>
Date: Thu, 4 Mar 2010 17:48:18 +0000
From: Hank Janssen <hjanssen@...rosoft.com>
To: "'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>,
"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
"virtualization@...ts.osdl.org" <virtualization@...ts.osdl.org>
CC: Haiyang Zhang <haiyangz@...rosoft.com>,
Hashir Abdi <habdi@...rosoft.com>, Greg KH <greg@...ah.com>
Subject: [PATCH 1/1] Stage: hv: Corrected all header comments to follow
kernel-doc format
From: Hank Janssen <hjanssen@...rosoft.com>
Removed kerneldoc /** from functions that should not have them.
Added proper kerneldoc headers to functions that should have them.
Cc: Greg Kroah-Hartman <gregkh@...e.de>
Signed-off-by: Hank Janssen <hjanssen@...rosoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
---
drivers/staging/hv/Channel.c | 49 ++++++++++++++-----------
drivers/staging/hv/ChannelMgmt.c | 33 +++++++++--------
drivers/staging/hv/Connection.c | 14 ++++----
drivers/staging/hv/Hv.c | 18 +++++-----
drivers/staging/hv/NetVsc.c | 8 ++--
drivers/staging/hv/StorVsc.c | 10 +++---
drivers/staging/hv/TODO | 1 -
drivers/staging/hv/Vmbus.c | 26 +++++++-------
drivers/staging/hv/VmbusApi.h | 19 ++++++++++
drivers/staging/hv/blkvsc_drv.c | 6 ++--
drivers/staging/hv/netvsc_drv.c | 4 +-
drivers/staging/hv/osd.c | 70 +++++++++++++++++++++++++++++++++++
drivers/staging/hv/storvsc_drv.c | 14 ++++----
drivers/staging/hv/vmbus_drv.c | 74 +++++++++++++++++++++++++------------
14 files changed, 233 insertions(+), 113 deletions(-)
diff --git a/drivers/staging/hv/Channel.c b/drivers/staging/hv/Channel.c index d46eb14..1fc2710 100644
--- a/drivers/staging/hv/Channel.c
+++ b/drivers/staging/hv/Channel.c
@@ -64,8 +64,9 @@ static void DumpMonitorPage(struct hv_monitor_page *MonitorPage) } #endif
-/**
- * VmbusChannelSetEvent - Trigger an event notification on the specified channel.
+/*
+ * VmbusChannelSetEvent - Trigger an event notification on the
+specified
+ * channel.
*/
static void VmbusChannelSetEvent(struct vmbus_channel *Channel) { @@ -119,7 +120,7 @@ static void VmbusChannelClearEvent(struct vmbus_channel *channel) }
#endif
-/**
+/*
* VmbusChannelGetDebugInfo -Retrieve various channel debug info
*/
void VmbusChannelGetDebugInfo(struct vmbus_channel *Channel, @@ -164,7 +165,7 @@ void VmbusChannelGetDebugInfo(struct vmbus_channel *Channel,
RingBufferGetDebugInfo(&Channel->Outbound, &DebugInfo->Outbound); }
-/**
+/*
* VmbusChannelOpen - Open the specified channel.
*/
int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize, @@ -282,8 +283,9 @@ Cleanup:
return 0;
}
-/**
- * DumpGpadlBody - 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) { @@ -299,8 +301,9 @@ static void DumpGpadlBody(struct vmbus_channel_gpadl_body *Gpadl, u32 Len)
i, Gpadl->Pfn[i]);
}
-/**
- * DumpGpadlHeader - 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) { @@ -324,7 +327,7 @@ static void DumpGpadlHeader(struct vmbus_channel_gpadl_header *Gpadl)
}
}
-/**
+/*
* VmbusChannelCreateGpadlHeader - Creates a gpadl for the specified buffer
*/
static int VmbusChannelCreateGpadlHeader(void *Kbuffer, u32 Size, @@ -440,7 +443,7 @@ static int VmbusChannelCreateGpadlHeader(void *Kbuffer, u32 Size,
return 0;
}
-/**
+/*
* VmbusChannelEstablishGpadl - Estabish a GPADL for the specified buffer
*
* @Channel: a channel
@@ -544,7 +547,7 @@ Cleanup:
return ret;
}
-/**
+/*
* VmbusChannelTeardownGpadl -Teardown the specified GPADL handle
*/
int VmbusChannelTeardownGpadl(struct vmbus_channel *Channel, u32 GpadlHandle) @@ -597,7 +600,7 @@ int VmbusChannelTeardownGpadl(struct vmbus_channel *Channel, u32 GpadlHandle)
return ret;
}
-/**
+/*
* VmbusChannelClose - Close the specified channel
*/
void VmbusChannelClose(struct vmbus_channel *Channel) @@ -662,7 +665,7 @@ void VmbusChannelClose(struct vmbus_channel *Channel)
DPRINT_EXIT(VMBUS);
}
-/**
+/*
* VmbusChannelSendPacket - Send the specified buffer on the given channel
*/
int VmbusChannelSendPacket(struct vmbus_channel *Channel, const void *Buffer, @@ -708,8 +711,9 @@ int VmbusChannelSendPacket(struct vmbus_channel *Channel, const void *Buffer,
return ret;
}
-/**
- * VmbusChannelSendPacketPageBuffer - 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[], @@ -773,8 +777,9 @@ int VmbusChannelSendPacketPageBuffer(struct vmbus_channel *Channel,
return ret;
}
-/**
- * VmbusChannelSendPacketMultiPageBuffer - 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, @@ -842,7 +847,7 @@ int VmbusChannelSendPacketMultiPageBuffer(struct vmbus_channel *Channel,
return ret;
}
-/**
+/*
* VmbusChannelRecvPacket - Retrieve the user packet on the specified channel
*/
/* TODO: Do we ever receive a gpa direct packet other than the ones we send ? */ @@ -908,7 +913,7 @@ int VmbusChannelRecvPacket(struct vmbus_channel *Channel, void *Buffer,
return 0;
}
-/**
+/*
* VmbusChannelRecvPacketRaw - Retrieve the raw packet on the specified channel
*/
int VmbusChannelRecvPacketRaw(struct vmbus_channel *Channel, void *Buffer, @@ -971,7 +976,7 @@ int VmbusChannelRecvPacketRaw(struct vmbus_channel *Channel, void *Buffer,
return 0;
}
-/**
+/*
* VmbusChannelOnChannelEvent - Channel event callback
*/
void VmbusChannelOnChannelEvent(struct vmbus_channel *Channel) @@ -984,7 +989,7 @@ void VmbusChannelOnChannelEvent(struct vmbus_channel *Channel)
mod_timer(&Channel->poll_timer, jiffies + usecs_to_jiffies(100)); }
-/**
+/*
* VmbusChannelOnTimer - Timer event callback
*/
void VmbusChannelOnTimer(unsigned long data) @@ -995,7 +1000,7 @@ void VmbusChannelOnTimer(unsigned long data)
channel->OnChannelCallback(channel->ChannelCallbackContext);
}
-/**
+/*
* DumpVmbusChannel - Dump vmbus channel info to the console
*/
static void DumpVmbusChannel(struct vmbus_channel *Channel) diff --git a/drivers/staging/hv/ChannelMgmt.c b/drivers/staging/hv/ChannelMgmt.c
index ef38467..cc4b93c 100644
--- a/drivers/staging/hv/ChannelMgmt.c
+++ b/drivers/staging/hv/ChannelMgmt.c
@@ -70,7 +70,7 @@ static const struct hv_guid
},
};
-/**
+/*
* AllocVmbusChannel - Allocate and initialize a vmbus channel object
*/
struct vmbus_channel *AllocVmbusChannel(void) @@ -96,7 +96,7 @@ struct vmbus_channel *AllocVmbusChannel(void)
return channel;
}
-/**
+/*
* ReleaseVmbusChannel - Release the vmbus channel object itself
*/
static inline void ReleaseVmbusChannel(void *context) @@ -114,7 +114,7 @@ static inline void ReleaseVmbusChannel(void *context)
DPRINT_EXIT(VMBUS);
}
-/**
+/*
* FreeVmbusChannel - Release the resources used by the vmbus channel object
*/
void FreeVmbusChannel(struct vmbus_channel *Channel) @@ -130,7 +130,7 @@ void FreeVmbusChannel(struct vmbus_channel *Channel)
Channel);
}
-/**
+/*
* VmbusChannelProcessOffer - Process the offer by creating a channel/device associated with this offer
*/
static void VmbusChannelProcessOffer(void *context) @@ -212,7 +212,7 @@ static void VmbusChannelProcessOffer(void *context)
DPRINT_EXIT(VMBUS);
}
-/**
+/*
* VmbusChannelProcessRescindOffer - Rescind the offer by initiating a device removal
*/
static void VmbusChannelProcessRescindOffer(void *context) @@ -224,7 +224,7 @@ static void VmbusChannelProcessRescindOffer(void *context)
DPRINT_EXIT(VMBUS);
}
-/**
+/*
* VmbusChannelOnOffer - Handler for channel offers from vmbus in parent partition.
*
* We ignore all offers except network and storage offers. For each network and @@ -307,7 +307,7 @@ static void VmbusChannelOnOffer(struct vmbus_channel_message_header *hdr)
DPRINT_EXIT(VMBUS);
}
-/**
+/*
* VmbusChannelOnOfferRescind - Rescind offer handler.
*
* We queue a work item to process this offer synchronously @@ -334,7 +334,7 @@ static void VmbusChannelOnOfferRescind(struct vmbus_channel_message_header *hdr)
DPRINT_EXIT(VMBUS);
}
-/**
+/*
* VmbusChannelOnOffersDelivered - This is invoked when all offers have been delivered.
*
* Nothing to do here.
@@ -346,7 +346,7 @@ static void VmbusChannelOnOffersDelivered(
DPRINT_EXIT(VMBUS);
}
-/**
+/*
* VmbusChannelOnOpenResult - Open result handler.
*
* This is invoked when we received a response to our channel open request.
@@ -394,7 +394,7 @@ static void VmbusChannelOnOpenResult(struct vmbus_channel_message_header *hdr)
DPRINT_EXIT(VMBUS);
}
-/**
+/*
* VmbusChannelOnGpadlCreated - GPADL created handler.
*
* This is invoked when we received a response to our gpadl create request.
@@ -446,7 +446,7 @@ static void VmbusChannelOnGpadlCreated(struct vmbus_channel_message_header *hdr)
DPRINT_EXIT(VMBUS);
}
-/**
+/*
* VmbusChannelOnGpadlTorndown - GPADL torndown handler.
*
* This is invoked when we received a response to our gpadl teardown request.
@@ -494,7 +494,7 @@ static void VmbusChannelOnGpadlTorndown(
DPRINT_EXIT(VMBUS);
}
-/**
+/*
* VmbusChannelOnVersionResponse - Version response handler
*
* This is invoked when we received a response to our initiate contact request.
@@ -557,7 +557,7 @@ static struct vmbus_channel_message_table_entry
{ChannelMessageUnload, NULL},
};
-/**
+/*
* VmbusOnChannelMessage - Handler for channel protocol messages.
*
* This is invoked in the vmbus worker thread context.
@@ -596,7 +596,7 @@ void VmbusOnChannelMessage(void *Context)
DPRINT_EXIT(VMBUS);
}
-/**
+/*
* VmbusChannelRequestOffers - Send a request to get all our pending offers.
*/
int VmbusChannelRequestOffers(void)
@@ -650,8 +650,9 @@ Cleanup:
return ret;
}
-/**
- * VmbusChannelReleaseUnattachedChannels - Release channels that are unattached/unconnected ie (no drivers associated)
+/*
+ * VmbusChannelReleaseUnattachedChannels - Release channels that are
+ * unattached/unconnected ie (no drivers associated)
*/
void VmbusChannelReleaseUnattachedChannels(void)
{
diff --git a/drivers/staging/hv/Connection.c b/drivers/staging/hv/Connection.c index 43c2e68..894aa37 100644
--- a/drivers/staging/hv/Connection.c
+++ b/drivers/staging/hv/Connection.c
@@ -33,7 +33,7 @@ struct VMBUS_CONNECTION gVmbusConnection = {
.NextGpadlHandle = ATOMIC_INIT(0xE1E10),
};
-/**
+/*
* VmbusConnect - Sends a connect request on the partition service connection
*/
int VmbusConnect(void)
@@ -179,7 +179,7 @@ Cleanup:
return ret;
}
-/**
+/*
* VmbusDisconnect - Sends a disconnect request on the partition service connection
*/
int VmbusDisconnect(void)
@@ -217,7 +217,7 @@ Cleanup:
return ret;
}
-/**
+/*
* GetChannelFromRelId - Get the channel object given its child relative id (ie channel id)
*/
struct vmbus_channel *GetChannelFromRelId(u32 relId) @@ -238,7 +238,7 @@ struct vmbus_channel *GetChannelFromRelId(u32 relId)
return foundChannel;
}
-/**
+/*
* VmbusProcessChannelEvent - Process a channel event notification
*/
static void VmbusProcessChannelEvent(void *context) @@ -266,7 +266,7 @@ static void VmbusProcessChannelEvent(void *context)
}
}
-/**
+/*
* VmbusOnEvents - Handler for events
*/
void VmbusOnEvents(void)
@@ -307,7 +307,7 @@ void VmbusOnEvents(void)
return;
}
-/**
+/*
* VmbusPostMessage - Send a msg on the vmbus's message connection
*/
int VmbusPostMessage(void *buffer, size_t bufferLen) @@ -319,7 +319,7 @@ int VmbusPostMessage(void *buffer, size_t bufferLen)
return HvPostMessage(connId, 1, buffer, bufferLen); }
-/**
+/*
* VmbusSetEvent - Send an event notification to the parent
*/
int VmbusSetEvent(u32 childRelId)
diff --git a/drivers/staging/hv/Hv.c b/drivers/staging/hv/Hv.c index 51149e6..9bee568 100644
--- a/drivers/staging/hv/Hv.c
+++ b/drivers/staging/hv/Hv.c
@@ -34,7 +34,7 @@ struct hv_context gHvContext = {
.SignalEventBuffer = NULL,
};
-/**
+/*
* HvQueryHypervisorPresence - Query the cpuid for presense of windows hypervisor
*/
static int HvQueryHypervisorPresence(void) @@ -55,7 +55,7 @@ static int HvQueryHypervisorPresence(void)
return ecx & HV_PRESENT_BIT;
}
-/**
+/*
* HvQueryHypervisorInfo - Get version info of the windows hypervisor
*/
static int HvQueryHypervisorInfo(void)
@@ -124,7 +124,7 @@ static int HvQueryHypervisorInfo(void)
return maxLeaf;
}
-/**
+/*
* HvDoHypercall - Invoke the specified hypercall
*/
static u64 HvDoHypercall(u64 Control, void *Input, void *Output) @@ -179,7 +179,7 @@ static u64 HvDoHypercall(u64 Control, void *Input, void *Output) #endif /* !x86_64 */ }
-/**
+/*
* HvInit - Main initialization routine.
*
* This routine must be called before any other routines in here are called @@ -293,7 +293,7 @@ Cleanup:
return ret;
}
-/**
+/*
* HvCleanup - Cleanup routine.
*
* This routine is called normally during driver unloading or exiting.
@@ -320,7 +320,7 @@ void HvCleanup(void)
DPRINT_EXIT(VMBUS);
}
-/**
+/*
* HvPostMessage - Post a message using the hypervisor message IPC.
*
* This involves a hypercall.
@@ -361,7 +361,7 @@ u16 HvPostMessage(union hv_connection_id connectionId, }
-/**
+/*
* HvSignalEvent - Signal an event on the specified connection using the hypervisor event IPC.
*
* This involves a hypercall.
@@ -375,7 +375,7 @@ u16 HvSignalEvent(void)
return status;
}
-/**
+/*
* HvSynicInit - Initialize the Synthethic Interrupt Controller.
*
* If it is already initialized by another entity (ie x2v shim), we need to @@ -481,7 +481,7 @@ Cleanup:
return;
}
-/**
+/*
* HvSynicCleanup - Cleanup routine for HvSynicInit().
*/
void HvSynicCleanup(void *arg)
diff --git a/drivers/staging/hv/NetVsc.c b/drivers/staging/hv/NetVsc.c index 1c717f9..bd739ac 100644
--- a/drivers/staging/hv/NetVsc.c
+++ b/drivers/staging/hv/NetVsc.c
@@ -166,7 +166,7 @@ static struct netvsc_device *ReleaseInboundNetDevice(struct hv_device *Device)
return netDevice;
}
-/**
+/*
* NetVscInitialize - Main entry point
*/
int NetVscInitialize(struct hv_driver *drv) @@ -704,7 +704,7 @@ static void NetVscDisconnectFromVsp(struct netvsc_device *NetDevice)
DPRINT_EXIT(NETVSC);
}
-/**
+/*
* NetVscOnDeviceAdd - Callback when the device belonging to this driver is added
*/
static int NetVscOnDeviceAdd(struct hv_device *Device, void *AdditionalInfo) @@ -806,7 +806,7 @@ Cleanup:
return ret;
}
-/**
+/*
* NetVscOnDeviceRemove - Callback when the root bus device is removed
*/
static int NetVscOnDeviceRemove(struct hv_device *Device) @@ -863,7 +863,7 @@ static int NetVscOnDeviceRemove(struct hv_device *Device)
return 0;
}
-/**
+/*
* NetVscOnCleanup - Perform any cleanup when the driver is removed
*/
static void NetVscOnCleanup(struct hv_driver *drv) diff --git a/drivers/staging/hv/StorVsc.c b/drivers/staging/hv/StorVsc.c index 38ea140..5a09d08 100644
--- a/drivers/staging/hv/StorVsc.c
+++ b/drivers/staging/hv/StorVsc.c
@@ -532,7 +532,7 @@ static int StorVscConnectToVsp(struct hv_device *Device)
return ret;
}
-/**
+/*
* StorVscOnDeviceAdd - Callback when the device belonging to this driver is added
*/
static int StorVscOnDeviceAdd(struct hv_device *Device, void *AdditionalInfo) @@ -584,7 +584,7 @@ Cleanup:
return ret;
}
-/**
+/*
* StorVscOnDeviceRemove - Callback when the our device is being removed
*/
static int StorVscOnDeviceRemove(struct hv_device *Device) @@ -682,7 +682,7 @@ Cleanup:
return ret;
}
-/**
+/*
* StorVscOnIORequest - Callback to initiate an I/O request
*/
static int StorVscOnIORequest(struct hv_device *Device, @@ -782,7 +782,7 @@ static int StorVscOnIORequest(struct hv_device *Device,
return ret;
}
-/**
+/*
* StorVscOnCleanup - Perform any cleanup when the driver is removed
*/
static void StorVscOnCleanup(struct hv_driver *Driver) @@ -791,7 +791,7 @@ static void StorVscOnCleanup(struct hv_driver *Driver)
DPRINT_EXIT(STORVSC);
}
-/**
+/*
* StorVscInitialize - Main entry point
*/
int StorVscInitialize(struct hv_driver *Driver) diff --git a/drivers/staging/hv/TODO b/drivers/staging/hv/TODO index dbfbde9..78d957e 100644
--- a/drivers/staging/hv/TODO
+++ b/drivers/staging/hv/TODO
@@ -1,6 +1,5 @@
TODO:
- fix remaining checkpatch warnings and errors
- - use of /** when it is not a kerneldoc header
- remove RingBuffer.c to us in-kernel ringbuffer functions instead.
- audit the vmbus to verify it is working properly with the
driver model
diff --git a/drivers/staging/hv/Vmbus.c b/drivers/staging/hv/Vmbus.c index 3d0a240..9a6a340 100644
--- a/drivers/staging/hv/Vmbus.c
+++ b/drivers/staging/hv/Vmbus.c
@@ -51,7 +51,7 @@ static const struct hv_guid gVmbusDeviceId = { static struct hv_driver *gDriver; /* vmbus driver object */ static struct hv_device *gDevice; /* vmbus root device */
-/**
+/*
* VmbusGetChannelOffers - Retrieve the channel offers from the parent partition
*/
static void VmbusGetChannelOffers(void) @@ -61,7 +61,7 @@ static void VmbusGetChannelOffers(void)
DPRINT_EXIT(VMBUS);
}
-/**
+/*
* VmbusGetChannelInterface - Get the channel interface
*/
static void VmbusGetChannelInterface(struct vmbus_channel_interface *Interface) @@ -69,7 +69,7 @@ static void VmbusGetChannelInterface(struct vmbus_channel_interface *Interface)
GetChannelInterface(Interface);
}
-/**
+/*
* VmbusGetChannelInfo - Get the device info for the specified device object
*/
static void VmbusGetChannelInfo(struct hv_device *DeviceObject, @@ -78,7 +78,7 @@ static void VmbusGetChannelInfo(struct hv_device *DeviceObject,
GetChannelInfo(DeviceObject, DeviceInfo); }
-/**
+/*
* VmbusCreateChildDevice - Creates the child device on the bus that represents the channel offer
*/
struct hv_device *VmbusChildDeviceCreate(struct hv_guid *DeviceType, @@ -91,7 +91,7 @@ struct hv_device *VmbusChildDeviceCreate(struct hv_guid *DeviceType,
Context);
}
-/**
+/*
* VmbusChildDeviceAdd - Registers the child device with the vmbus
*/
int VmbusChildDeviceAdd(struct hv_device *ChildDevice) @@ -101,7 +101,7 @@ int VmbusChildDeviceAdd(struct hv_device *ChildDevice)
return vmbusDriver->OnChildDeviceAdd(gDevice, ChildDevice); }
-/**
+/*
* VmbusChildDeviceRemove Unregisters the child device from the vmbus
*/
void VmbusChildDeviceRemove(struct hv_device *ChildDevice) @@ -111,7 +111,7 @@ void VmbusChildDeviceRemove(struct hv_device *ChildDevice)
vmbusDriver->OnChildDeviceRemove(ChildDevice);
}
-/**
+/*
* VmbusOnDeviceAdd - Callback when the root bus device is added
*/
static int VmbusOnDeviceAdd(struct hv_device *dev, void *AdditionalInfo) @@ -140,7 +140,7 @@ static int VmbusOnDeviceAdd(struct hv_device *dev, void *AdditionalInfo)
return ret;
}
-/**
+/*
* VmbusOnDeviceRemove - Callback when the root bus device is removed
*/
static int VmbusOnDeviceRemove(struct hv_device *dev) @@ -156,7 +156,7 @@ static int VmbusOnDeviceRemove(struct hv_device *dev)
return ret;
}
-/**
+/*
* VmbusOnCleanup - Perform any cleanup when the driver is removed
*/
static void VmbusOnCleanup(struct hv_driver *drv) @@ -168,7 +168,7 @@ static void VmbusOnCleanup(struct hv_driver *drv)
DPRINT_EXIT(VMBUS);
}
-/**
+/*
* VmbusOnMsgDPC - DPC routine to handle messages from the hypervisior
*/
static void VmbusOnMsgDPC(struct hv_driver *drv) @@ -216,7 +216,7 @@ static void VmbusOnMsgDPC(struct hv_driver *drv)
}
}
-/**
+/*
* VmbusOnEventDPC - DPC routine to handle events from the hypervisior
*/
static void VmbusOnEventDPC(struct hv_driver *drv) @@ -225,7 +225,7 @@ static void VmbusOnEventDPC(struct hv_driver *drv)
VmbusOnEvents();
}
-/**
+/*
* VmbusOnISR - ISR routine
*/
static int VmbusOnISR(struct hv_driver *drv) @@ -263,7 +263,7 @@ static int VmbusOnISR(struct hv_driver *drv)
return ret;
}
-/**
+/*
* VmbusInitialize - Main entry point
*/
int VmbusInitialize(struct hv_driver *drv) diff --git a/drivers/staging/hv/VmbusApi.h b/drivers/staging/hv/VmbusApi.h index d089bb1..2e3a3b8 100644
--- a/drivers/staging/hv/VmbusApi.h
+++ b/drivers/staging/hv/VmbusApi.h
@@ -84,6 +84,25 @@ struct hv_device_info {
struct hv_dev_port_info Outbound;
};
+/**
+ * struct vmbus_channel_interface - Contains member functions for vmbus channel
+ * @Open: Open the channel
+ * @Close: Close the channel
+ * @SendPacket: Send a packet over the channel
+ * @SendPacketPageBuffer: Send a single page buffer over the channel
+ * @SendPacketMultiPageBuffer: Send a multiple page buffers
+ * @RecvPacket: Receive packet
+ * @RecvPacketRaw: Receive Raw packet
+ * @EstablishGpadl: Set up GPADL for ringbuffer
+ * @TeardownGpadl: Teardown GPADL for ringbuffer
+ * @GetInfo: Get info about the channel
+ *
+ * This structure contains function pointer to control vmbus channel
+ * behavior.
+ * None of these functions is externally callable, but they are used
+for normal
+ * vmbus channel internal behavior.
+ * Only used by Hyper-V drivers.
+ */
struct vmbus_channel_interface {
int (*Open)(struct hv_device *Device, u32 SendBufferSize,
u32 RecvRingBufferSize, void *UserData, u32 UserDataLen, diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c index abeac12..c90a6aa 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -164,7 +164,7 @@ static struct block_device_operations block_ops = {
.ioctl = blkvsc_ioctl,
};
-/**
+/*
* blkvsc_drv_init - BlkVsc driver initialization.
*/
static int blkvsc_drv_init(int (*drv_init)(struct hv_driver *drv)) @@ -244,7 +244,7 @@ static void blkvsc_drv_exit(void)
return;
}
-/**
+/*
* blkvsc_probe - Add a new device for this driver
*/
static int blkvsc_probe(struct device *device) @@ -732,7 +732,7 @@ static int blkvsc_do_read_capacity16(struct block_device_context *blkdev)
return 0;
}
-/**
+/*
* blkvsc_remove() - Callback when our device is removed
*/
static int blkvsc_remove(struct device *device) diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c index 1af3dcb..933597e 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -265,7 +265,7 @@ retry_send:
return ret;
}
-/**
+/*
* netvsc_linkstatus_callback - Link up/down notification
*/
static void netvsc_linkstatus_callback(struct hv_device *device_obj, @@ -292,7 +292,7 @@ static void netvsc_linkstatus_callback(struct hv_device *device_obj,
DPRINT_EXIT(NETVSC_DRV);
}
-/**
+/*
* netvsc_recv_callback - Callback when we receive a packet from the "wire" on the specified device.
*/
static int netvsc_recv_callback(struct hv_device *device_obj, diff --git a/drivers/staging/hv/osd.c b/drivers/staging/hv/osd.c index 3a4793a..5afa94e 100644
--- a/drivers/staging/hv/osd.c
+++ b/drivers/staging/hv/osd.c
@@ -58,6 +58,15 @@ void *osd_VirtualAllocExec(unsigned int size) #endif }
+/**
+ * osd_PageAlloc() - Allocate pages
+ * @count: Total number of Kernel pages you want to allocate
+ *
+ * Tries to allocate @count number of consecutive free kernel pages.
+ * And if successful, it will set the pages to 0 before returning.
+ * If successfull it will return pointer to the @count pages.
+ * Mainly used by Hyper-V drivers.
+ */
void *osd_PageAlloc(unsigned int count) {
void *p;
@@ -77,6 +86,14 @@ void *osd_PageAlloc(unsigned int count) } EXPORT_SYMBOL_GPL(osd_PageAlloc);
+/**
+ * osd_PageFree() - Free pages
+ * @page: Pointer to the first page to be freed
+ * @count: Total number of Kernel pages you free
+ *
+ * Frees the pages allocated by osd_PageAlloc()
+ * Mainly used by Hyper-V drivers.
+ */
void osd_PageFree(void *page, unsigned int count) {
free_pages((unsigned long)page, get_order(count * PAGE_SIZE)); @@ -85,6 +102,17 @@ void osd_PageFree(void *page, unsigned int count) } EXPORT_SYMBOL_GPL(osd_PageFree);
+/**
+ * osd_WaitEventCreate() - Create the event queue
+ *
+ * Allocates memory for a &struct osd_waitevent. And than calls
+ * init_waitqueue_head to set up the wait queue for the event.
+ * This structure is usually part of a another structure that contains
+ * the actual Hyper-V device driver structure.
+ *
+ * Returns pointer to &struct osd_waitevent
+ * Mainly used by Hyper-V drivers.
+ */
struct osd_waitevent *osd_WaitEventCreate(void) {
struct osd_waitevent *wait = kmalloc(sizeof(struct osd_waitevent), @@ -98,6 +126,19 @@ struct osd_waitevent *osd_WaitEventCreate(void) } EXPORT_SYMBOL_GPL(osd_WaitEventCreate);
+
+/**
+ * osd_WaitEventSet() - Wake up the process
+ * @waitEvent: Structure to event to be woken up
+ *
+ * @waitevent is of type @struct osd_waitevent
+ *
+ * Wake up the sleeping process so it can do some work.
+ * And set condition indicator in struct osd_waitevent to indicate
+ * the process is in a woken state.
+ *
+ * Only used by Network and Storage Hyper-V drivers.
+ */
void osd_WaitEventSet(struct osd_waitevent *waitEvent) {
waitEvent->condition = 1;
@@ -105,6 +146,20 @@ void osd_WaitEventSet(struct osd_waitevent *waitEvent) } EXPORT_SYMBOL_GPL(osd_WaitEventSet);
+/**
+ * osd_WaitEventWait() - Wait for event till condition is true
+ * @waitEvent: Structure to event to be put to sleep
+ *
+ * @waitevent is of type @struct osd_waitevent
+ *
+ * Set up the process to sleep until waitEvent->condition get true.
+ * And set condition indicator in struct osd_waitevent to indicate
+ * the process is in a sleeping state.
+ *
+ * Returns the status of 'wait_event_interruptible()' system call
+ *
+ * Mainly used by Hyper-V drivers.
+ */
int osd_WaitEventWait(struct osd_waitevent *waitEvent) {
int ret = 0;
@@ -116,6 +171,21 @@ int osd_WaitEventWait(struct osd_waitevent *waitEvent) } EXPORT_SYMBOL_GPL(osd_WaitEventWait);
+/**
+ * osd_WaitEventWaitEx() - Wait for event or timeout for process wakeup
+ * @waitEvent: Structure to event to be put to sleep
+ * @TimeoutInMs: Total number of Milliseconds to wait before waking up
+ *
+ * @waitevent is of type @struct osd_waitevent
+ * Set up the process to sleep until @waitEvent->condition get true or
+ * @TimeoutInMs (Time out in Milliseconds) has been reached.
+ * And set condition indicator in struct osd_waitevent to indicate
+ * the process is in a sleeping state.
+ *
+ * Returns the status of 'wait_event_interruptible_timeout()' system
+call
+ *
+ * Mainly used by Hyper-V drivers.
+ */
int osd_WaitEventWaitEx(struct osd_waitevent *waitEvent, u32 TimeoutInMs) {
int ret = 0;
diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 3988f4b..7676ba5 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -129,7 +129,7 @@ static struct scsi_host_template scsi_driver = { };
-/**
+/*
* storvsc_drv_init - StorVsc driver initialization.
*/
static int storvsc_drv_init(int (*drv_init)(struct hv_driver *drv)) @@ -222,7 +222,7 @@ static void storvsc_drv_exit(void)
return;
}
-/**
+/*
* storvsc_probe - Add a new device for this driver
*/
static int storvsc_probe(struct device *device) @@ -318,7 +318,7 @@ static int storvsc_probe(struct device *device)
return ret;
}
-/**
+/*
* storvsc_remove - Callback when our device is removed
*/
static int storvsc_remove(struct device *device) @@ -371,7 +371,7 @@ static int storvsc_remove(struct device *device)
return ret;
}
-/**
+/*
* storvsc_commmand_completion - Command completion processing
*/
static void storvsc_commmand_completion(struct hv_storvsc_request *request) @@ -622,7 +622,7 @@ static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl,
return total_copied;
}
-/**
+/*
* storvsc_queuecommand - Initiate command processing
*/
static int storvsc_queuecommand(struct scsi_cmnd *scmnd, @@ -823,7 +823,7 @@ static int storvsc_merge_bvec(struct request_queue *q,
return bvec->bv_len;
}
-/**
+/*
* storvsc_device_configure - Configure the specified scsi device
*/
static int storvsc_device_alloc(struct scsi_device *sdevice) @@ -862,7 +862,7 @@ static int storvsc_device_configure(struct scsi_device *sdevice)
return 0;
}
-/**
+/*
* storvsc_host_reset_handler - Reset the scsi HBA
*/
static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd) diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c index 2c90619..177f565 100644
--- a/drivers/staging/hv/vmbus_drv.c
+++ b/drivers/staging/hv/vmbus_drv.c
@@ -128,7 +128,7 @@ static struct vmbus_driver_context g_vmbus_drv = {
.bus.dev_attrs = vmbus_device_attrs,
};
-/**
+/*
* vmbus_show_device_attr - Show the device attribute in sysfs.
*
* This is invoked when user does a
@@ -232,7 +232,7 @@ static ssize_t vmbus_show_device_attr(struct device *dev,
}
}
-/**
+/*
* vmbus_bus_init -Main vmbus driver initialization routine.
*
* Here, we
@@ -361,7 +361,7 @@ cleanup:
return ret;
}
-/**
+/*
* vmbus_bus_exit - Terminate the vmbus driver.
*
* This routine is opposite of vmbus_bus_init() @@ -397,8 +397,18 @@ static void vmbus_bus_exit(void)
return;
}
+
/**
- * vmbus_child_driver_register - Register a vmbus's child driver
+ * vmbus_child_driver_register() - Register a vmbus's child driver
+ * @driver_ctx: Pointer to driver structure you want to register
+ *
+ * @driver_ctx is of type &struct driver_context
+ *
+ * Registers the given driver with Linux through the
+ 'driver_register()' call
+ * And sets up the hyper-v vmbus handling for this driver.
+ * It will return the state of the 'driver_register()' call.
+ *
+ * Mainly used by Hyper-V drivers.
*/
int vmbus_child_driver_register(struct driver_context *driver_ctx) { @@ -424,7 +434,15 @@ int vmbus_child_driver_register(struct driver_context *driver_ctx) EXPORT_SYMBOL(vmbus_child_driver_register);
/**
- * vmbus_child_driver_unregister Unregister a vmbus's child driver
+ * vmbus_child_driver_unregister() - Unregister a vmbus's child driver
+ * @driver_ctx: Pointer to driver structure you want to un-register
+ *
+ * @driver_ctx is of type &struct driver_context
+ *
+ * Un-register the given driver with Linux through the 'driver_unregister()'
+ * call. And ungegisters the driver from the Hyper-V vmbus handler.
+ *
+ * Mainly used by Hyper-V drivers.
*/
void vmbus_child_driver_unregister(struct driver_context *driver_ctx) { @@ -442,9 +460,15 @@ void vmbus_child_driver_unregister(struct driver_context *driver_ctx) EXPORT_SYMBOL(vmbus_child_driver_unregister);
/**
- * vmbus_get_interface - Get the vmbus channel interface.
+ * vmbus_get_interface() - Get the vmbus channel interface.
+ * @interface: Pointer to channel interface structure
+ *
+ * Get the Hyper-V channel used for the driver.
+ *
+ * @interface is of type &struct vmbus_channel_interface
+ * This is invoked by child/client driver that sits above vmbus.
*
- * This is invoked by child/client driver that sits above vmbus
+ * Mainly used by Hyper-V drivers.
*/
void vmbus_get_interface(struct vmbus_channel_interface *interface) { @@ -454,7 +478,7 @@ void vmbus_get_interface(struct vmbus_channel_interface *interface) } EXPORT_SYMBOL(vmbus_get_interface);
-/**
+/*
* vmbus_child_device_get_info - Get the vmbus child device info.
*
* This is invoked to display various device attributes in sysfs.
@@ -467,8 +491,9 @@ static void vmbus_child_device_get_info(struct hv_device *device_obj,
vmbus_drv_obj->GetChannelInfo(device_obj, device_info); }
-/**
- * vmbus_child_device_create - Creates and registers a new child device on the vmbus.
+/*
+ * vmbus_child_device_create - Creates and registers a new child device
+ * on the vmbus.
*/
static struct hv_device *vmbus_child_device_create(struct hv_guid *type,
struct hv_guid *instance,
@@ -522,7 +547,7 @@ static struct hv_device *vmbus_child_device_create(struct hv_guid *type,
return child_device_obj;
}
-/**
+/*
* vmbus_child_device_register - Register the child device on the specified bus
*/
static int vmbus_child_device_register(struct hv_device *root_device_obj, @@ -570,8 +595,9 @@ static int vmbus_child_device_register(struct hv_device *root_device_obj,
return ret;
}
-/**
- * vmbus_child_device_unregister - Remove the specified child device from the vmbus.
+/*
+ * vmbus_child_device_unregister - Remove the specified child device
+ * from the vmbus.
*/
static void vmbus_child_device_unregister(struct hv_device *device_obj) { @@ -594,7 +620,7 @@ static void vmbus_child_device_unregister(struct hv_device *device_obj)
DPRINT_EXIT(VMBUS_DRV);
}
-/**
+/*
* vmbus_child_device_destroy - Destroy the specified child device on the vmbus.
*/
static void vmbus_child_device_destroy(struct hv_device *device_obj) @@ -604,7 +630,7 @@ static void vmbus_child_device_destroy(struct hv_device *device_obj)
DPRINT_EXIT(VMBUS_DRV);
}
-/**
+/*
* vmbus_uevent - add uevent for our device
*
* This routine is invoked when a device is added or removed on the vmbus to @@ -683,7 +709,7 @@ static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env)
return 0;
}
-/**
+/*
* vmbus_match - Attempt to match the specified device to the specified driver
*/
static int vmbus_match(struct device *device, struct device_driver *driver) @@ -718,7 +744,7 @@ static int vmbus_match(struct device *device, struct device_driver *driver)
return match;
}
-/**
+/*
* vmbus_probe_failed_cb - Callback when a driver probe failed in vmbus_probe()
*
* We need a callback because we cannot invoked device_unregister() inside @@ -741,7 +767,7 @@ static void vmbus_probe_failed_cb(struct work_struct *context)
DPRINT_EXIT(VMBUS_DRV);
}
-/**
+/*
* vmbus_probe - Add the new vmbus's child device
*/
static int vmbus_probe(struct device *child_device) @@ -777,7 +803,7 @@ static int vmbus_probe(struct device *child_device)
return ret;
}
-/**
+/*
* vmbus_remove - Remove a vmbus device
*/
static int vmbus_remove(struct device *child_device) @@ -819,7 +845,7 @@ static int vmbus_remove(struct device *child_device)
return 0;
}
-/**
+/*
* vmbus_shutdown - Shutdown a vmbus device
*/
static void vmbus_shutdown(struct device *child_device) @@ -855,7 +881,7 @@ static void vmbus_shutdown(struct device *child_device)
return;
}
-/**
+/*
* vmbus_bus_release - Final callback release of the vmbus root device
*/
static void vmbus_bus_release(struct device *device) @@ -869,7 +895,7 @@ static void vmbus_bus_release(struct device *device)
DPRINT_EXIT(VMBUS_DRV);
}
-/**
+/*
* vmbus_device_release - Final callback release of the vmbus child device
*/
static void vmbus_device_release(struct device *device) @@ -887,7 +913,7 @@ static void vmbus_device_release(struct device *device)
return;
}
-/**
+/*
* vmbus_msg_dpc - Tasklet routine to handle hypervisor messages
*/
static void vmbus_msg_dpc(unsigned long data) @@ -904,7 +930,7 @@ static void vmbus_msg_dpc(unsigned long data)
DPRINT_EXIT(VMBUS_DRV);
}
-/**
+/*
* vmbus_msg_dpc - Tasklet routine to handle hypervisor events
*/
static void vmbus_event_dpc(unsigned long data)
--
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