diff options
Diffstat (limited to 'drivers/staging/hv/StorVsc.c')
-rw-r--r-- | drivers/staging/hv/StorVsc.c | 91 |
1 files changed, 44 insertions, 47 deletions
diff --git a/drivers/staging/hv/StorVsc.c b/drivers/staging/hv/StorVsc.c index 75b92a051c8..ccb6d2ad30b 100644 --- a/drivers/staging/hv/StorVsc.c +++ b/drivers/staging/hv/StorVsc.c @@ -38,9 +38,7 @@ /* Data types */ - - -typedef struct _STORVSC_REQUEST_EXTENSION { +struct storvsc_request_extension { /* LIST_ENTRY ListEntry; */ struct hv_storvsc_request *Request; @@ -50,11 +48,11 @@ typedef struct _STORVSC_REQUEST_EXTENSION { struct osd_waitevent *WaitEvent; struct vstor_packet VStorPacket; -} STORVSC_REQUEST_EXTENSION; +}; /* A storvsc device is a device object that contains a vmbus channel */ -typedef struct _STORVSC_DEVICE{ +struct storvsc_device { struct hv_device *Device; atomic_t RefCount; /* 0 indicates the device is being destroyed */ @@ -74,11 +72,10 @@ typedef struct _STORVSC_DEVICE{ /* HANDLE OutstandingRequestLock; */ /* Used for vsc/vsp channel reset process */ - STORVSC_REQUEST_EXTENSION InitRequest; + struct storvsc_request_extension InitRequest; + struct storvsc_request_extension ResetRequest; - STORVSC_REQUEST_EXTENSION ResetRequest; - -} STORVSC_DEVICE; +}; @@ -133,14 +130,14 @@ static void StorVscOnIOCompletion( struct hv_device *Device, struct vstor_packet *VStorPacket, - STORVSC_REQUEST_EXTENSION *RequestExt + struct storvsc_request_extension *RequestExt ); static void StorVscOnReceive( struct hv_device *Device, struct vstor_packet *VStorPacket, - STORVSC_REQUEST_EXTENSION *RequestExt + struct storvsc_request_extension *RequestExt ); static int @@ -148,11 +145,11 @@ StorVscConnectToVsp( struct hv_device *Device ); -static inline STORVSC_DEVICE* AllocStorDevice(struct hv_device *Device) +static inline struct storvsc_device *AllocStorDevice(struct hv_device *Device) { - STORVSC_DEVICE *storDevice; + struct storvsc_device *storDevice; - storDevice = kzalloc(sizeof(STORVSC_DEVICE), GFP_KERNEL); + storDevice = kzalloc(sizeof(struct storvsc_device), GFP_KERNEL); if (!storDevice) return NULL; @@ -166,18 +163,18 @@ static inline STORVSC_DEVICE* AllocStorDevice(struct hv_device *Device) return storDevice; } -static inline void FreeStorDevice(STORVSC_DEVICE *Device) +static inline void FreeStorDevice(struct storvsc_device *Device) { ASSERT( atomic_read(&Device->RefCount) == 0); kfree(Device); } /* Get the stordevice object iff exists and its refcount > 1 */ -static inline STORVSC_DEVICE* GetStorDevice(struct hv_device *Device) +static inline struct storvsc_device* GetStorDevice(struct hv_device *Device) { - STORVSC_DEVICE *storDevice; + struct storvsc_device *storDevice; - storDevice = (STORVSC_DEVICE*)Device->Extension; + storDevice = (struct storvsc_device *)Device->Extension; if (storDevice && atomic_read(&storDevice->RefCount) > 1) atomic_inc(&storDevice->RefCount); else @@ -187,11 +184,11 @@ static inline STORVSC_DEVICE* GetStorDevice(struct hv_device *Device) } /* Get the stordevice object iff exists and its refcount > 0 */ -static inline STORVSC_DEVICE* MustGetStorDevice(struct hv_device *Device) +static inline struct storvsc_device *MustGetStorDevice(struct hv_device *Device) { - STORVSC_DEVICE *storDevice; + struct storvsc_device *storDevice; - storDevice = (STORVSC_DEVICE*)Device->Extension; + storDevice = (struct storvsc_device *)Device->Extension; if (storDevice && atomic_read(&storDevice->RefCount)) atomic_inc(&storDevice->RefCount); else @@ -202,9 +199,9 @@ static inline STORVSC_DEVICE* MustGetStorDevice(struct hv_device *Device) static inline void PutStorDevice(struct hv_device *Device) { - STORVSC_DEVICE *storDevice; + struct storvsc_device *storDevice; - storDevice = (STORVSC_DEVICE*)Device->Extension; + storDevice = (struct storvsc_device *)Device->Extension; ASSERT(storDevice); atomic_dec(&storDevice->RefCount); @@ -212,11 +209,11 @@ static inline void PutStorDevice(struct hv_device *Device) } /* Drop ref count to 1 to effectively disable GetStorDevice() */ -static inline STORVSC_DEVICE* ReleaseStorDevice(struct hv_device *Device) +static inline struct storvsc_device *ReleaseStorDevice(struct hv_device *Device) { - STORVSC_DEVICE *storDevice; + struct storvsc_device *storDevice; - storDevice = (STORVSC_DEVICE*)Device->Extension; + storDevice = (struct storvsc_device *)Device->Extension; ASSERT(storDevice); /* Busy wait until the ref drop to 2, then set it to 1 */ @@ -229,11 +226,11 @@ static inline STORVSC_DEVICE* ReleaseStorDevice(struct hv_device *Device) } /* Drop ref count to 0. No one can use StorDevice object. */ -static inline STORVSC_DEVICE* FinalReleaseStorDevice(struct hv_device *Device) +static inline struct storvsc_device *FinalReleaseStorDevice(struct hv_device *Device) { - STORVSC_DEVICE *storDevice; + struct storvsc_device *storDevice; - storDevice = (STORVSC_DEVICE*)Device->Extension; + storDevice = (struct storvsc_device *)Device->Extension; ASSERT(storDevice); /* Busy wait until the ref drop to 1, then set it to 0 */ @@ -266,8 +263,8 @@ StorVscInitialize( DPRINT_ENTER(STORVSC); - DPRINT_DBG(STORVSC, "sizeof(STORVSC_REQUEST)=%zd sizeof(STORVSC_REQUEST_EXTENSION)=%zd sizeof(struct vstor_packet)=%zd, sizeof(struct vmscsi_request)=%zd", - sizeof(struct hv_storvsc_request), sizeof(STORVSC_REQUEST_EXTENSION), sizeof(struct vstor_packet), sizeof(struct vmscsi_request)); + DPRINT_DBG(STORVSC, "sizeof(STORVSC_REQUEST)=%zd sizeof(struct storvsc_request_extension)=%zd sizeof(struct vstor_packet)=%zd, sizeof(struct vmscsi_request)=%zd", + sizeof(struct hv_storvsc_request), sizeof(struct storvsc_request_extension), sizeof(struct vstor_packet), sizeof(struct vmscsi_request)); /* Make sure we are at least 2 pages since 1 page is used for control */ ASSERT(storDriver->RingBufferSize >= (PAGE_SIZE << 1)); @@ -275,7 +272,7 @@ StorVscInitialize( Driver->name = gDriverName; memcpy(&Driver->deviceType, &gStorVscDeviceType, sizeof(struct hv_guid)); - storDriver->RequestExtSize = sizeof(STORVSC_REQUEST_EXTENSION); + storDriver->RequestExtSize = sizeof(struct storvsc_request_extension); /* * Divide the ring buffer data size (which is 1 page less @@ -317,7 +314,7 @@ StorVscOnDeviceAdd( ) { int ret=0; - STORVSC_DEVICE *storDevice; + struct storvsc_device *storDevice; /* struct vmstorage_channel_properties *props; */ struct storvsc_device_info *deviceInfo = (struct storvsc_device_info *)AdditionalInfo; @@ -363,8 +360,8 @@ Cleanup: static int StorVscChannelInit(struct hv_device *Device) { int ret=0; - STORVSC_DEVICE *storDevice; - STORVSC_REQUEST_EXTENSION *request; + struct storvsc_device *storDevice; + struct storvsc_request_extension *request; struct vstor_packet *vstorPacket; storDevice = GetStorDevice(Device); @@ -380,7 +377,7 @@ static int StorVscChannelInit(struct hv_device *Device) /* Now, initiate the vsc/vsp initialization protocol on the open channel */ - memset(request, sizeof(STORVSC_REQUEST_EXTENSION), 0); + memset(request, sizeof(struct storvsc_request_extension), 0); request->WaitEvent = osd_WaitEventCreate(); vstorPacket->Operation = VStorOperationBeginInitialization; @@ -572,7 +569,7 @@ StorVscOnDeviceRemove( struct hv_device *Device ) { - STORVSC_DEVICE *storDevice; + struct storvsc_device *storDevice; int ret=0; DPRINT_ENTER(STORVSC); @@ -633,8 +630,8 @@ StorVscOnHostReset( { int ret=0; - STORVSC_DEVICE *storDevice; - STORVSC_REQUEST_EXTENSION *request; + struct storvsc_device *storDevice; + struct storvsc_request_extension *request; struct vstor_packet *vstorPacket; DPRINT_ENTER(STORVSC); @@ -702,8 +699,8 @@ StorVscOnIORequest( struct hv_storvsc_request *Request ) { - STORVSC_DEVICE *storDevice; - STORVSC_REQUEST_EXTENSION* requestExtension = (STORVSC_REQUEST_EXTENSION*) Request->Extension; + struct storvsc_device *storDevice; + struct storvsc_request_extension* requestExtension = (struct storvsc_request_extension*) Request->Extension; struct vstor_packet *vstorPacket =&requestExtension->VStorPacket; int ret=0; @@ -814,11 +811,11 @@ static void StorVscOnIOCompletion( struct hv_device *Device, struct vstor_packet *VStorPacket, - STORVSC_REQUEST_EXTENSION *RequestExt + struct storvsc_request_extension *RequestExt ) { struct hv_storvsc_request *request; - STORVSC_DEVICE *storDevice; + struct storvsc_device *storDevice; DPRINT_ENTER(STORVSC); @@ -884,7 +881,7 @@ static void StorVscOnReceive( struct hv_device *Device, struct vstor_packet *VStorPacket, - STORVSC_REQUEST_EXTENSION *RequestExt + struct storvsc_request_extension *RequestExt ) { switch(VStorPacket->Operation) @@ -921,11 +918,11 @@ StorVscOnChannelCallback( { int ret=0; struct hv_device *device = (struct hv_device*)Context; - STORVSC_DEVICE *storDevice; + struct storvsc_device *storDevice; u32 bytesRecvd; u64 requestId; unsigned char packet[ALIGN_UP(sizeof(struct vstor_packet),8)]; - STORVSC_REQUEST_EXTENSION *request; + struct storvsc_request_extension *request; DPRINT_ENTER(STORVSC); @@ -952,7 +949,7 @@ StorVscOnChannelCallback( /* ASSERT(bytesRecvd == sizeof(struct vstor_packet)); */ - request = (STORVSC_REQUEST_EXTENSION*)(unsigned long)requestId; + request = (struct storvsc_request_extension*)(unsigned long)requestId; ASSERT(request); /* if (vstorPacket.Flags & SYNTHETIC_FLAG) */ |