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Staging: hv: remove RING_BUFFER_INFO typedef

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typedefs are bad, kill them.

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2010-07-27 11:43:11 -07:00
parent 80682b7a48
commit 8a0e1c5505
3 changed files with 37 additions and 35 deletions
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4
drivers/staging/hv/channel_mgmt.h
View File

@ -247,8 +247,8 @@ struct vmbus_channel {
/* Allocated memory for ring buffer */
void *RingBufferPages;
u32 RingBufferPageCount;
RING_BUFFER_INFO Outbound; /* send to parent */
RING_BUFFER_INFO Inbound; /* receive from parent */
struct hv_ring_buffer_info Outbound; /* send to parent */
struct hv_ring_buffer_info Inbound; /* receive from parent */
spinlock_t inbound_lock;
struct workqueue_struct *ControlWQ;

45
drivers/staging/hv/ring_buffer.c
View File

@ -46,7 +46,7 @@ Description:
--*/
static inline void
GetRingBufferAvailBytes(RING_BUFFER_INFO *rbi, u32 *read, u32 *write)
GetRingBufferAvailBytes(struct hv_ring_buffer_info *rbi, u32 *read, u32 *write)
{
u32 read_loc, write_loc;
@ -68,7 +68,7 @@ Description:
--*/
static inline u32
GetNextWriteLocation(RING_BUFFER_INFO *RingInfo)
GetNextWriteLocation(struct hv_ring_buffer_info *RingInfo)
{
u32 next = RingInfo->RingBuffer->WriteIndex;
@ -87,7 +87,8 @@ Description:
--*/
static inline void
SetNextWriteLocation(RING_BUFFER_INFO *RingInfo, u32 NextWriteLocation)
SetNextWriteLocation(struct hv_ring_buffer_info *RingInfo,
u32 NextWriteLocation)
{
RingInfo->RingBuffer->WriteIndex = NextWriteLocation;
}
@ -102,7 +103,7 @@ Description:
--*/
static inline u32
GetNextReadLocation(RING_BUFFER_INFO *RingInfo)
GetNextReadLocation(struct hv_ring_buffer_info *RingInfo)
{
u32 next = RingInfo->RingBuffer->ReadIndex;
@ -122,7 +123,7 @@ Description:
--*/
static inline u32
GetNextReadLocationWithOffset(RING_BUFFER_INFO *RingInfo, u32 Offset)
GetNextReadLocationWithOffset(struct hv_ring_buffer_info *RingInfo, u32 Offset)
{
u32 next = RingInfo->RingBuffer->ReadIndex;
@ -143,7 +144,7 @@ Description:
--*/
static inline void
SetNextReadLocation(RING_BUFFER_INFO *RingInfo, u32 NextReadLocation)
SetNextReadLocation(struct hv_ring_buffer_info *RingInfo, u32 NextReadLocation)
{
RingInfo->RingBuffer->ReadIndex = NextReadLocation;
}
@ -159,7 +160,7 @@ Description:
--*/
static inline void *
GetRingBuffer(RING_BUFFER_INFO *RingInfo)
GetRingBuffer(struct hv_ring_buffer_info *RingInfo)
{
return (void *)RingInfo->RingBuffer->Buffer;
}
@ -175,7 +176,7 @@ Description:
--*/
static inline u32
GetRingBufferSize(RING_BUFFER_INFO *RingInfo)
GetRingBufferSize(struct hv_ring_buffer_info *RingInfo)
{
return RingInfo->RingDataSize;
}
@ -190,7 +191,7 @@ Description:
--*/
static inline u64
GetRingBufferIndices(RING_BUFFER_INFO *RingInfo)
GetRingBufferIndices(struct hv_ring_buffer_info *RingInfo)
{
return ((u64)RingInfo->RingBuffer->WriteIndex << 32)
|| RingInfo->RingBuffer->ReadIndex;
@ -206,7 +207,7 @@ Description:
Dump out to console the ring buffer info
--*/
void DumpRingInfo(RING_BUFFER_INFO *RingInfo, char *Prefix)
void DumpRingInfo(struct hv_ring_buffer_info *RingInfo, char *Prefix)
{
u32 bytesAvailToWrite;
u32 bytesAvailToRead;
@ -233,14 +234,14 @@ void DumpRingInfo(RING_BUFFER_INFO *RingInfo, char *Prefix)
static u32
CopyToRingBuffer(
RING_BUFFER_INFO *RingInfo,
struct hv_ring_buffer_info *RingInfo,
u32 StartWriteOffset,
void *Src,
u32 SrcLen);
static u32
CopyFromRingBuffer(
RING_BUFFER_INFO *RingInfo,
struct hv_ring_buffer_info *RingInfo,
void *Dest,
u32 DestLen,
u32 StartReadOffset);
@ -256,7 +257,7 @@ Description:
Get various debug metrics for the specified ring buffer
--*/
void RingBufferGetDebugInfo(RING_BUFFER_INFO *RingInfo,
void RingBufferGetDebugInfo(struct hv_ring_buffer_info *RingInfo,
struct hv_ring_buffer_debug_info *debug_info)
{
u32 bytesAvailToWrite;
@ -285,7 +286,7 @@ Description:
Get the interrupt mask for the specified ring buffer
--*/
u32 GetRingBufferInterruptMask(RING_BUFFER_INFO *rbi)
u32 GetRingBufferInterruptMask(struct hv_ring_buffer_info *rbi)
{
return rbi->RingBuffer->InterruptMask;
}
@ -299,12 +300,12 @@ Description:
Initialize the ring buffer
--*/
int RingBufferInit(RING_BUFFER_INFO *RingInfo, void *Buffer, u32 BufferLen)
int RingBufferInit(struct hv_ring_buffer_info *RingInfo, void *Buffer, u32 BufferLen)
{
if (sizeof(RING_BUFFER) != PAGE_SIZE)
return -EINVAL;
memset(RingInfo, 0, sizeof(RING_BUFFER_INFO));
memset(RingInfo, 0, sizeof(struct hv_ring_buffer_info));
RingInfo->RingBuffer = (RING_BUFFER *)Buffer;
RingInfo->RingBuffer->ReadIndex = RingInfo->RingBuffer->WriteIndex = 0;
@ -326,7 +327,7 @@ Description:
Cleanup the ring buffer
--*/
void RingBufferCleanup(RING_BUFFER_INFO *RingInfo)
void RingBufferCleanup(struct hv_ring_buffer_info *RingInfo)
{
}
@ -339,7 +340,7 @@ Description:
Write to the ring buffer
--*/
int RingBufferWrite(RING_BUFFER_INFO *OutRingInfo,
int RingBufferWrite(struct hv_ring_buffer_info *OutRingInfo,
struct scatterlist *sglist, u32 sgcount)
{
int i = 0;
@ -424,7 +425,7 @@ Description:
Read without advancing the read index
--*/
int RingBufferPeek(RING_BUFFER_INFO *InRingInfo, void *Buffer, u32 BufferLen)
int RingBufferPeek(struct hv_ring_buffer_info *InRingInfo, void *Buffer, u32 BufferLen)
{
u32 bytesAvailToWrite;
u32 bytesAvailToRead;
@ -473,7 +474,7 @@ Description:
Read and advance the read index
--*/
int RingBufferRead(RING_BUFFER_INFO *InRingInfo, void *Buffer,
int RingBufferRead(struct hv_ring_buffer_info *InRingInfo, void *Buffer,
u32 BufferLen, u32 Offset)
{
u32 bytesAvailToWrite;
@ -548,7 +549,7 @@ Description:
--*/
static u32
CopyToRingBuffer(
RING_BUFFER_INFO *RingInfo,
struct hv_ring_buffer_info *RingInfo,
u32 StartWriteOffset,
void *Src,
u32 SrcLen)
@ -586,7 +587,7 @@ Description:
--*/
static u32
CopyFromRingBuffer(
RING_BUFFER_INFO *RingInfo,
struct hv_ring_buffer_info *RingInfo,
void *Dest,
u32 DestLen,
u32 StartReadOffset)

23
drivers/staging/hv/ring_buffer.h
View File

@ -53,15 +53,14 @@ typedef struct _RING_BUFFER {
u8 Buffer[0];
} __attribute__((packed)) RING_BUFFER;
typedef struct _RING_BUFFER_INFO {
struct hv_ring_buffer_info {
RING_BUFFER *RingBuffer;
u32 RingSize; /* Include the shared header */
spinlock_t ring_lock;
u32 RingDataSize; /* < ringSize */
u32 RingDataStartOffset;
} RING_BUFFER_INFO;
};
struct hv_ring_buffer_debug_info {
u32 CurrentInterruptMask;
@ -76,26 +75,28 @@ struct hv_ring_buffer_debug_info {
/* Interface */
int RingBufferInit(RING_BUFFER_INFO *RingInfo, void *Buffer, u32 BufferLen);
int RingBufferInit(struct hv_ring_buffer_info *RingInfo, void *Buffer,
u32 BufferLen);
void RingBufferCleanup(RING_BUFFER_INFO *RingInfo);
void RingBufferCleanup(struct hv_ring_buffer_info *RingInfo);
int RingBufferWrite(RING_BUFFER_INFO *RingInfo,
int RingBufferWrite(struct hv_ring_buffer_info *RingInfo,
struct scatterlist *sglist,
u32 sgcount);
int RingBufferPeek(RING_BUFFER_INFO *RingInfo, void *Buffer, u32 BufferLen);
int RingBufferPeek(struct hv_ring_buffer_info *RingInfo, void *Buffer,
u32 BufferLen);
int RingBufferRead(RING_BUFFER_INFO *RingInfo,
int RingBufferRead(struct hv_ring_buffer_info *RingInfo,
void *Buffer,
u32 BufferLen,
u32 Offset);
u32 GetRingBufferInterruptMask(RING_BUFFER_INFO *RingInfo);
u32 GetRingBufferInterruptMask(struct hv_ring_buffer_info *RingInfo);
void DumpRingInfo(RING_BUFFER_INFO *RingInfo, char *Prefix);
void DumpRingInfo(struct hv_ring_buffer_info *RingInfo, char *Prefix);
void RingBufferGetDebugInfo(RING_BUFFER_INFO *RingInfo,
void RingBufferGetDebugInfo(struct hv_ring_buffer_info *RingInfo,
struct hv_ring_buffer_debug_info *debug_info);
#endif /* _RING_BUFFER_H_ */