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Subject[PATCH 197/206] Staging: hv: Get rid of storvsc_api.h
Date
Now, get rid of storvsc_api.h.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
---
drivers/staging/hv/storvsc_api.h | 162 --------------------------------------
1 files changed, 0 insertions(+), 162 deletions(-)
delete mode 100644 drivers/staging/hv/storvsc_api.h

diff --git a/drivers/staging/hv/storvsc_api.h b/drivers/staging/hv/storvsc_api.h
deleted file mode 100644
index b163515..0000000
--- a/drivers/staging/hv/storvsc_api.h
+++ /dev/null
@@ -1,162 +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@microsoft.com>
- * Hank Janssen <hjanssen@microsoft.com>
- *
- */
-
-
-#ifndef _STORVSC_API_H_
-#define _STORVSC_API_H_
-
-#include <linux/kernel.h>
-#include <linux/wait.h>
-#include "vstorage.h"
-#include "vmbus_api.h"
-#include "vmbus.h"
-
-/* Defines */
-#define STORVSC_RING_BUFFER_SIZE (20*PAGE_SIZE)
-#define BLKVSC_RING_BUFFER_SIZE (20*PAGE_SIZE)
-
-#define STORVSC_MAX_IO_REQUESTS 128
-
-/*
- * In Hyper-V, each port/path/target maps to 1 scsi host adapter. In
- * reality, the path/target is not used (ie always set to 0) so our
- * scsi host adapter essentially has 1 bus with 1 target that contains
- * up to 256 luns.
- */
-#define STORVSC_MAX_LUNS_PER_TARGET 64
-#define STORVSC_MAX_TARGETS 1
-#define STORVSC_MAX_CHANNELS 1
-
-struct hv_storvsc_request;
-
-/* Matches Windows-end */
-enum storvsc_request_type{
- WRITE_TYPE,
- READ_TYPE,
- UNKNOWN_TYPE,
-};
-
-
-struct hv_storvsc_request {
- struct hv_storvsc_request *request;
- struct hv_device *device;
-
- /* Synchronize the request/response if needed */
- struct completion wait_event;
-
- unsigned char *sense_buffer;
- void *context;
- void (*on_io_completion)(struct hv_storvsc_request *request);
- struct hv_multipage_buffer data_buffer;
-
- struct vstor_packet vstor_packet;
-};
-
-
-struct storvsc_device_info {
- u32 ring_buffer_size;
- unsigned int port_number;
- unsigned char path_id;
- unsigned char target_id;
-};
-
-struct storvsc_major_info {
- int major;
- int index;
- bool do_register;
- char *devname;
- char *diskname;
-};
-
-/* A storvsc device is a device object that contains a vmbus channel */
-struct storvsc_device {
- struct hv_device *device;
-
- /* 0 indicates the device is being destroyed */
- atomic_t ref_count;
-
- bool drain_notify;
- atomic_t num_outstanding_req;
-
- wait_queue_head_t waiting_to_drain;
-
- /*
- * Each unique Port/Path/Target represents 1 channel ie scsi
- * controller. In reality, the pathid, targetid is always 0
- * and the port is set by us
- */
- unsigned int port_number;
- unsigned char path_id;
- unsigned char target_id;
-
- /* Used for vsc/vsp channel reset process */
- struct hv_storvsc_request init_request;
- struct hv_storvsc_request reset_request;
-};
-
-
-/* Get the stordevice object iff exists and its refcount > 1 */
-static inline struct storvsc_device *get_stor_device(struct hv_device *device)
-{
- struct storvsc_device *stor_device;
-
- stor_device = (struct storvsc_device *)device->ext;
- if (stor_device && atomic_read(&stor_device->ref_count) > 1)
- atomic_inc(&stor_device->ref_count);
- else
- stor_device = NULL;
-
- return stor_device;
-}
-
-
-static inline void put_stor_device(struct hv_device *device)
-{
- struct storvsc_device *stor_device;
-
- stor_device = (struct storvsc_device *)device->ext;
-
- atomic_dec(&stor_device->ref_count);
-}
-
-static inline void storvsc_wait_to_drain(struct storvsc_device *dev)
-{
- dev->drain_notify = true;
- wait_event(dev->waiting_to_drain,
- atomic_read(&dev->num_outstanding_req) == 0);
- dev->drain_notify = false;
-}
-
-/* Interface */
-
-int storvsc_dev_add(struct hv_device *device,
- void *additional_info);
-int storvsc_dev_remove(struct hv_device *device);
-
-int storvsc_do_io(struct hv_device *device,
- struct hv_storvsc_request *request);
-
-int storvsc_get_major_info(struct storvsc_device_info *device_info,
- struct storvsc_major_info *major_info);
-
-#endif /* _STORVSC_API_H_ */
--
1.7.4.1


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