--*/
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;
--*/
static inline u32
-GetNextWriteLocation(RING_BUFFER_INFO *RingInfo)
+GetNextWriteLocation(struct hv_ring_buffer_info *RingInfo)
{
u32 next = RingInfo->RingBuffer->WriteIndex;
--*/
static inline void
-SetNextWriteLocation(RING_BUFFER_INFO *RingInfo, u32 NextWriteLocation)
+SetNextWriteLocation(struct hv_ring_buffer_info *RingInfo,
+ u32 NextWriteLocation)
{
RingInfo->RingBuffer->WriteIndex = NextWriteLocation;
}
--*/
static inline u32
-GetNextReadLocation(RING_BUFFER_INFO *RingInfo)
+GetNextReadLocation(struct hv_ring_buffer_info *RingInfo)
{
u32 next = RingInfo->RingBuffer->ReadIndex;
--*/
static inline u32
-GetNextReadLocationWithOffset(RING_BUFFER_INFO *RingInfo, u32 Offset)
+GetNextReadLocationWithOffset(struct hv_ring_buffer_info *RingInfo, u32 Offset)
{
u32 next = RingInfo->RingBuffer->ReadIndex;
--*/
static inline void
-SetNextReadLocation(RING_BUFFER_INFO *RingInfo, u32 NextReadLocation)
+SetNextReadLocation(struct hv_ring_buffer_info *RingInfo, u32 NextReadLocation)
{
RingInfo->RingBuffer->ReadIndex = NextReadLocation;
}
--*/
static inline void *
-GetRingBuffer(RING_BUFFER_INFO *RingInfo)
+GetRingBuffer(struct hv_ring_buffer_info *RingInfo)
{
return (void *)RingInfo->RingBuffer->Buffer;
}
--*/
static inline u32
-GetRingBufferSize(RING_BUFFER_INFO *RingInfo)
+GetRingBufferSize(struct hv_ring_buffer_info *RingInfo)
{
return RingInfo->RingDataSize;
}
--*/
static inline u64
-GetRingBufferIndices(RING_BUFFER_INFO *RingInfo)
+GetRingBufferIndices(struct hv_ring_buffer_info *RingInfo)
{
return ((u64)RingInfo->RingBuffer->WriteIndex << 32)
|| RingInfo->RingBuffer->ReadIndex;
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;
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);
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;
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;
}
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;
Cleanup the ring buffer
--*/
-void RingBufferCleanup(RING_BUFFER_INFO *RingInfo)
+void RingBufferCleanup(struct hv_ring_buffer_info *RingInfo)
{
}
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;
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;
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;
--*/
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)
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;
/* 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_ */