Now, get rid of storvsc_api.h. Signed-off-by: K. Y. Srinivasan <[email protected]> Signed-off-by: Haiyang Zhang <[email protected]> Signed-off-by: Abhishek Kane <[email protected]> Signed-off-by: Hank Janssen <[email protected]> --- 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 <[email protected]> - * Hank Janssen <[email protected]> - * - */ - - -#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 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
