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Diffstat (limited to 'drivers/staging/hv/ring_buffer.h')
-rw-r--r--drivers/staging/hv/ring_buffer.h35
1 files changed, 18 insertions, 17 deletions
diff --git a/drivers/staging/hv/ring_buffer.h b/drivers/staging/hv/ring_buffer.h
index 6202157e145d..a7f1717c6a56 100644
--- a/drivers/staging/hv/ring_buffer.h
+++ b/drivers/staging/hv/ring_buffer.h
@@ -27,7 +27,7 @@
#include <linux/scatterlist.h>
-typedef struct _RING_BUFFER {
+struct hv_ring_buffer {
/* Offset in bytes from the start of ring data below */
volatile u32 WriteIndex;
@@ -51,51 +51,52 @@ typedef struct _RING_BUFFER {
* !!! DO NOT place any fields below this !!!
*/
u8 Buffer[0];
-} __attribute__((packed)) RING_BUFFER;
+} __attribute__((packed));
-typedef struct _RING_BUFFER_INFO {
- RING_BUFFER *RingBuffer;
+struct hv_ring_buffer_info {
+ struct hv_ring_buffer *RingBuffer;
u32 RingSize; /* Include the shared header */
spinlock_t ring_lock;
u32 RingDataSize; /* < ringSize */
u32 RingDataStartOffset;
+};
-} RING_BUFFER_INFO;
-
-typedef struct _RING_BUFFER_DEBUG_INFO {
+struct hv_ring_buffer_debug_info {
u32 CurrentInterruptMask;
u32 CurrentReadIndex;
u32 CurrentWriteIndex;
u32 BytesAvailToRead;
u32 BytesAvailToWrite;
-} 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,
- RING_BUFFER_DEBUG_INFO *DebugInfo);
+void RingBufferGetDebugInfo(struct hv_ring_buffer_info *RingInfo,
+ struct hv_ring_buffer_debug_info *debug_info);
#endif /* _RING_BUFFER_H_ */