linux-kernel - [PATCH 194/206] Staging: hv: Get rid of ring

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Date:	Mon,  9 May 2011 14:57:56 -0700
From:	"K. Y. Srinivasan" <kys@...rosoft.com>
To:	gregkh@...e.de, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, virtualization@...ts.osdl.org
Cc:	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Abhishek Kane <v-abkane@...rosoft.com>,
	Hank Janssen <hjanssen@...rosoft.com>
Subject: [PATCH 194/206] Staging: hv: Get rid of ring_buffer.h

Now get rid of ring_buffer.h.

Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
Signed-off-by: Abhishek Kane <v-abkane@...rosoft.com>
Signed-off-by: Hank Janssen <hjanssen@...rosoft.com>
---
 drivers/staging/hv/ring_buffer.h |  102 --------------------------------------
 1 files changed, 0 insertions(+), 102 deletions(-)
 delete mode 100644 drivers/staging/hv/ring_buffer.h

diff --git a/drivers/staging/hv/ring_buffer.h b/drivers/staging/hv/ring_buffer.h
deleted file mode 100644
index 089c536..0000000
--- a/drivers/staging/hv/ring_buffer.h
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- *
- * Copyright (c) 2009, Microsoft Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307 USA.
- *
- * Authors:
- *   Haiyang Zhang <haiyangz@...rosoft.com>
- *   Hank Janssen  <hjanssen@...rosoft.com>
- *   K. Y. Srinivasan <kys@...rosoft.com>
- *
- */
-
-
-#ifndef _RING_BUFFER_H_
-#define _RING_BUFFER_H_
-
-#include <linux/scatterlist.h>
-
-struct hv_ring_buffer {
-	/* Offset in bytes from the start of ring data below */
-	u32 write_index;
-
-	/* Offset in bytes from the start of ring data below */
-	u32 read_index;
-
-	u32 interrupt_mask;
-
-	/* Pad it to PAGE_SIZE so that data starts on page boundary */
-	u8	reserved[4084];
-
-	/* NOTE:
-	 * The interrupt_mask field is used only for channels but since our
-	 * vmbus connection also uses this data structure and its data starts
-	 * here, we commented out this field.
-	 */
-
-	/*
-	 * Ring data starts here + RingDataStartOffset
-	 * !!! DO NOT place any fields below this !!!
-	 */
-	u8 buffer[0];
-} __packed;
-
-struct hv_ring_buffer_info {
-	struct hv_ring_buffer *ring_buffer;
-	u32 ring_size;			/* Include the shared header */
-	spinlock_t ring_lock;
-
-	u32 ring_datasize;		/* < ring_size */
-	u32 ring_data_startoffset;
-};
-
-struct hv_ring_buffer_debug_info {
-	u32 current_interrupt_mask;
-	u32 current_read_index;
-	u32 current_write_index;
-	u32 bytes_avail_toread;
-	u32 bytes_avail_towrite;
-};
-
-
-
-/* Interface */
-
-
-int hv_ringbuffer_init(struct hv_ring_buffer_info *ring_info, void *buffer,
-		   u32 buflen);
-
-void hv_ringbuffer_cleanup(struct hv_ring_buffer_info *ring_info);
-
-int hv_ringbuffer_write(struct hv_ring_buffer_info *ring_info,
-		    struct scatterlist *sglist,
-		    u32 sgcount);
-
-int hv_ringbuffer_peek(struct hv_ring_buffer_info *ring_info, void *buffer,
-		   u32 buflen);
-
-int hv_ringbuffer_read(struct hv_ring_buffer_info *ring_info,
-		   void *buffer,
-		   u32 buflen,
-		   u32 offset);
-
-u32 hv_get_ringbuffer_interrupt_mask(struct hv_ring_buffer_info *ring_info);
-
-void hv_dump_ring_info(struct hv_ring_buffer_info *ring_info, char *prefix);
-
-void hv_ringbuffer_get_debuginfo(struct hv_ring_buffer_info *ring_info,
-			    struct hv_ring_buffer_debug_info *debug_info);
-
-#endif /* _RING_BUFFER_H_ */
-- 
1.7.4.1

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