Staging: hv: Get rid of the file blkvsc.c

Now delete the file.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/blkvsc.c

-/*
- *
- * 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@microsoft.com>
- *   Hank Janssen  <hjanssen@microsoft.com>
- *
- */
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include "logging.h"
-#include "hv_api.h"
-#include "storvsc_api.h"
-
-static const char *g_blk_driver_name = "blkvsc";
-
-/* {32412632-86cb-44a2-9b5c-50d1417354f5} */
-static const struct hv_guid g_blk_device_type = {
-	.data = {
-		0x32, 0x26, 0x41, 0x32, 0xcb, 0x86, 0xa2, 0x44,
-		0x9b, 0x5c, 0x50, 0xd1, 0x41, 0x73, 0x54, 0xf5
-	}
-};
-
-static int blk_vsc_on_device_add(struct hv_device *device, void *additional_info)
-{
-	struct storvsc_device_info *device_info;
-	int ret = 0;
-
-	device_info = (struct storvsc_device_info *)additional_info;
-
-	ret = stor_vsc_on_device_add(device, additional_info);
-	if (ret != 0)
-		return ret;
-
-	/*
-	 * We need to use the device instance guid to set the path and target
-	 * id. For IDE devices, the device instance id is formatted as
-	 * <bus id> * - <device id> - 8899 - 000000000000.
-	 */
-	device_info->path_id = device->dev_instance.data[3] << 24 |
-			     device->dev_instance.data[2] << 16 |
-			     device->dev_instance.data[1] << 8  |
-			     device->dev_instance.data[0];
-
-	device_info->target_id = device->dev_instance.data[5] << 8 |
-			       device->dev_instance.data[4];
-
-	return ret;
-}
-
-int blk_vsc_initialize(struct hv_driver *driver)
-{
-	struct storvsc_driver_object *stor_driver;
-	int ret = 0;
-
-	stor_driver = (struct storvsc_driver_object *)driver;
-
-	/* Make sure we are at least 2 pages since 1 page is used for control */
-	/* ASSERT(stor_driver->RingBufferSize >= (PAGE_SIZE << 1)); */
-
-	driver->name = g_blk_driver_name;
-	memcpy(&driver->dev_type, &g_blk_device_type, sizeof(struct hv_guid));
-
-	stor_driver->request_ext_size = sizeof(struct storvsc_request_extension);
-
-	/*
-	 * Divide the ring buffer data size (which is 1 page less than the ring
-	 * buffer size since that page is reserved for the ring buffer indices)
-	 * by the max request size (which is
-	 * vmbus_channel_packet_multipage_buffer + struct vstor_packet + u64)
-	 */
-	stor_driver->max_outstanding_req_per_channel =
-		((stor_driver->ring_buffer_size - PAGE_SIZE) /
-		  ALIGN(MAX_MULTIPAGE_BUFFER_PACKET +
-			   sizeof(struct vstor_packet) + sizeof(u64),
-			   sizeof(u64)));
-
-	DPRINT_INFO(BLKVSC, "max io outstd %u",
-		    stor_driver->max_outstanding_req_per_channel);
-
-	/* Setup the dispatch table */
-	stor_driver->base.dev_add = blk_vsc_on_device_add;
-	stor_driver->base.dev_rm = stor_vsc_on_device_remove;
-	stor_driver->base.cleanup = stor_vsc_on_cleanup;
-	stor_driver->on_io_request = stor_vsc_on_io_request;
-
-	return ret;
-}