/*
* Intel(R) Enclosure LED Utilities
* Copyright (C) 2009-2021 Intel 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.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#ifndef _SCSI_H_INCLUDED
#define _SCSI_H_INCLUDED
#include "block.h"
#include "ibpi.h"
/**
* @brief Gets the sas host path of the device.
*
* This function returns a sysfs path to the sas host that the device
* belongs to.
*
* @param[in] path Canonical sysfs path to block device.
*
* @return A sysfs path to host device associated with the given
* block device if successful, otherwise NULL pointer.
*/
char *scsi_get_host_path(const char *path, const char *cntrl_path);
/**
* @brief Prepares SES message based on ibpi pattern.
*
* @param[in] device Sysfs path of a drive in enclosure.
* @param[in] ibpi IBPI pattern to visualize.
*
* @return 0 on success, otherwise error.
*/
int scsi_ses_write(struct block_device *device, enum ibpi_pattern ibpi);
/**
* @brief Sends message to SES processor of an enclosure.
*
* This function send a message to an enclosure in order to control LEDs of
* the given slot/component. It uses interface of ENCLOSURE kernel module to
* control LEDs.
*
* @param[in] device Sysfs path of a drive in enclosure.
*
* @return 0 on success, otherwise error.
*/
int scsi_ses_flush(struct block_device *device);
/**
* @brief Assigns enclosure device to block device.
*
* @param[in] device Path to block device.
*
* @return 1 on success, 0 otherwise.
* */
int scsi_get_enclosure(struct block_device *device);
#endif /* _SCSI_H_INCLUDED_ */