0cf3f85364
(Patsburg) integrated SAS controller. sys/dev/isci contains all files specific to FreeBSD. sys/dev/isci/scil contains OS-agnostic library maintained by Intel and modified to best integrate into FreeBSD kernel build environment. Sponsored by: Intel Reviewed by: scottl
296 lines
12 KiB
C
296 lines
12 KiB
C
/*-
|
|
* This file is provided under a dual BSD/GPLv2 license. When using or
|
|
* redistributing this file, you may do so under either license.
|
|
*
|
|
* GPL LICENSE SUMMARY
|
|
*
|
|
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of version 2 of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that 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.
|
|
* The full GNU General Public License is included in this distribution
|
|
* in the file called LICENSE.GPL.
|
|
*
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
#ifndef _SCIF_REMOTE_DEVICE_H_
|
|
#define _SCIF_REMOTE_DEVICE_H_
|
|
|
|
/**
|
|
* @file
|
|
*
|
|
* @brief This file contains all of the interface methods that can be called
|
|
* by an SCI Framework user on a remote device object. The
|
|
* framework remote device object provides management of resets for
|
|
* the remote device, IO thresholds, potentially NCQ tag management,
|
|
* etc.
|
|
*/
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif // __cplusplus
|
|
|
|
#include <dev/isci/scil/sci_types.h>
|
|
#include <dev/isci/scil/sci_status.h>
|
|
#include <dev/isci/scil/intel_sas.h>
|
|
|
|
|
|
/**
|
|
* This constant is utilized to inform the user that there is no defined
|
|
* maximum request queue depth associated with a remote device.
|
|
*/
|
|
#define SCIF_REMOTE_DEVICE_NO_MAX_QUEUE_DEPTH 0xFFFF
|
|
|
|
/**
|
|
* @brief This method simply returns the maximum memory space needed to
|
|
* store a remote device object. The value returned includes enough
|
|
* space for the framework and core device objects.
|
|
*
|
|
* @return a positive integer value indicating the size (in bytes) of the
|
|
* remote device object.
|
|
*/
|
|
U32 scif_remote_device_get_object_size(
|
|
void
|
|
);
|
|
|
|
/**
|
|
* @brief This method performs the construction common to all device object
|
|
* types in the framework.
|
|
*
|
|
* @note
|
|
* - Remote device objects in the core are a limited resource. Since
|
|
* the framework construction/destruction methods wrap the core, the
|
|
* user must ensure that a construct or destruct method is never
|
|
* invoked when an existing construct or destruct method is ongoing.
|
|
* This method shall be utilized for discovered direct attached
|
|
* devices.
|
|
* - It isn't necessary to call scif_remote_device_destruct() for
|
|
* device objects that have only called this method for construction.
|
|
* Once subsequent construction methods have been invoked (e.g.
|
|
* scif_remote_device_da_construct()), then destruction should occur.
|
|
*
|
|
* @param[in] domain This parameter specifies the domain in which this
|
|
* remote device is contained.
|
|
* @param[in] remote_device_memory This parameter specifies the memory
|
|
* location into which this method shall construct the new
|
|
* framework device object.
|
|
* @param[out] new_scif_remote_device_handle This parameter specifies the
|
|
* handle to be used to communicate with the newly constructed
|
|
* framework remote device.
|
|
*
|
|
* @return none
|
|
*/
|
|
void scif_remote_device_construct(
|
|
SCI_DOMAIN_HANDLE_T domain,
|
|
void * remote_device_memory,
|
|
SCI_REMOTE_DEVICE_HANDLE_T * new_scif_remote_device_handle
|
|
);
|
|
|
|
/**
|
|
* @brief This method constructs a new framework remote device object. The
|
|
* remote device object shall remember it's counterpart core device
|
|
* object as well as the domain in which it is contained.
|
|
*
|
|
* @note Remote device objects in the core are a limited resource. Since
|
|
* the framework construction/destruction methods wrap the core, the
|
|
* user must ensure that a construct or destruct method is never
|
|
* invoked when an existing construct or destruct method is ongoing.
|
|
* This method shall be utilized for discovered direct attached
|
|
* devices.
|
|
*
|
|
* @pre The user must have previously called scif_remote_device_construct()
|
|
*
|
|
* @param[in] remote_device This parameter specifies the framework device
|
|
* for which to perform direct attached specific construction.
|
|
* @param[in] sas_address This parameter specifies the SAS address of the
|
|
* remote device object being constructed.
|
|
* @param[in] protocols This parameter specifies the protocols supported
|
|
* by the remote device to be constructed.
|
|
*
|
|
* @return Indicate if the remote device was successfully constructed.
|
|
* @retval SCI_SUCCESS This value is returned if the remote device was
|
|
* successfully constructed.
|
|
* @retval SCI_FAILURE_DEVICE_EXISTS Returned if the device has already
|
|
* been constructed.
|
|
* @retval SCI_FAILURE_INSUFFICIENT_RESOURCES This value is returned if
|
|
* the core controller associated with the supplied parameters
|
|
* is unable to support additional remote devices.
|
|
*/
|
|
SCI_STATUS scif_remote_device_da_construct(
|
|
SCI_REMOTE_DEVICE_HANDLE_T remote_device,
|
|
SCI_SAS_ADDRESS_T * sas_address,
|
|
SCI_SAS_IDENTIFY_ADDRESS_FRAME_PROTOCOLS_T * protocols
|
|
);
|
|
|
|
/**
|
|
* @brief This method constructs a new framework remote device object. The
|
|
* remote device object shall remember it's counterpart core device
|
|
* object as well as the domain in which it is contained.
|
|
*
|
|
* @pre The user must have previously called scif_remote_device_construct()
|
|
*
|
|
* @note Remote device objects in the core are a limited resource. Since
|
|
* the framework construction/destruction methods wrap the core, the
|
|
* user must ensure that a construct or destruct method is never
|
|
* invoked when an existing construct or destruct method is ongoing.
|
|
* This method shall be utilized for discovered expander attached
|
|
* devices.
|
|
*
|
|
* @param[in] remote_device This parameter specifies the framework device
|
|
* for which to perform expander specific construction.
|
|
* @param[in] containing_device This parameter specifies the remote
|
|
* device (i.e. an expander) that contains the device being
|
|
* constructed.
|
|
* @param[in] smp_response This parameter specifies the SMP_RESPONSE_DISCOVER
|
|
* associated with the remote device being constructed.
|
|
*
|
|
* @return Indicate if the remote device was successfully constructed.
|
|
* @retval SCI_SUCCESS This value is returned if the remote device was
|
|
* successfully constructed.
|
|
* @retval SCI_FAILURE_DEVICE_EXISTS Returned if the device has already
|
|
* been constructed.
|
|
* @retval SCI_FAILURE_INSUFFICIENT_RESOURCES This value is returned if
|
|
* the core controller associated with the supplied parameters
|
|
* is unable to support additional remote devices.
|
|
*/
|
|
SCI_STATUS scif_remote_device_ea_construct(
|
|
SCI_REMOTE_DEVICE_HANDLE_T remote_device,
|
|
SCI_REMOTE_DEVICE_HANDLE_T containing_device,
|
|
SMP_RESPONSE_DISCOVER_T * smp_response
|
|
);
|
|
|
|
|
|
/**
|
|
* @brief This method is utilized to free up a framework's remote
|
|
* device object.
|
|
*
|
|
* @note Remote device objects in the core are a limited resource. Since
|
|
* the framework construction/destruction methods wrap the core, the
|
|
* user must ensure that a construct or destruct method is never
|
|
* invoked when an existing construct or destruct method is ongoing.
|
|
*
|
|
* @param[in] remote_device This parameter specifies the remote device to be
|
|
* destructed.
|
|
*
|
|
* @return The return value shall indicate if the device was successfully
|
|
* destructed or if some failure occurred.
|
|
* @retval SCI_STATUS This value is returned if the device is successfully
|
|
* destructed.
|
|
* @retval SCI_FAILURE_INVALID_REMOTE_DEVICE This value is returned if the
|
|
* supplied device isn't valid (e.g. it's already been destructed,
|
|
* the handle isn't valid, etc.).
|
|
*/
|
|
SCI_STATUS scif_remote_device_destruct(
|
|
SCI_REMOTE_DEVICE_HANDLE_T remote_device
|
|
);
|
|
|
|
/**
|
|
* @brief This method simply returns the SCI Core object handle that is
|
|
* associated with the supplied SCI Framework object.
|
|
*
|
|
* @param[in] remote_device This parameter specifies the framework device
|
|
* for which to return the associated core remote device.
|
|
*
|
|
* @return This method returns a handle to the core remote device object
|
|
* associated with the framework remote device object.
|
|
* @retval SCI_INVALID_HANDLE This return value indicates that the SCI Core
|
|
* remote device handle for the supplied framework device is invalid.
|
|
*/
|
|
SCI_REMOTE_DEVICE_HANDLE_T scif_remote_device_get_scic_handle(
|
|
SCI_REMOTE_DEVICE_HANDLE_T remote_device
|
|
);
|
|
|
|
/**
|
|
* @brief This method returns the maximum queue depth supported for the
|
|
* supplied target by this SCI Framework impementation.
|
|
*
|
|
* @param[in] remote_device This parameter specifies the framework
|
|
* device for which to return the maximum queue depth.
|
|
*
|
|
* @return This method returns a value indicating the maximum number of
|
|
* IO requests that can be outstanding for the target at any
|
|
* point in time.
|
|
* @retval SCIF_REMOTE_DEVICE_NO_MAX_QUEUE_DEPTH This value is returned
|
|
* when there is no defined maximum queue depth for the target.
|
|
*/
|
|
U16 scif_remote_device_get_max_queue_depth(
|
|
SCI_REMOTE_DEVICE_HANDLE_T remote_device
|
|
);
|
|
|
|
/**
|
|
* @brief This method will return the handle to the parent device of the
|
|
* remote device.
|
|
*
|
|
* @param[in] remote_device This parameter specifies the device for which
|
|
* to return the parent device.
|
|
* @param[out] containing_device This parameter specifies the device
|
|
* handle, from the remote device object, which indicate
|
|
* the parent device of the supplied remote_device.
|
|
*
|
|
* @return none
|
|
*/
|
|
SCI_STATUS scif_remote_device_get_containing_device(
|
|
SCI_REMOTE_DEVICE_HANDLE_T remote_device,
|
|
SCI_REMOTE_DEVICE_HANDLE_T * containing_device
|
|
);
|
|
|
|
/**
|
|
* @brief This method returns the number of IO currently started
|
|
* to the supplied target. It does not include task
|
|
* management requests.
|
|
*
|
|
* @param[in] remote_device This parameter specifies the framework
|
|
* device for which to return the number of started IO.
|
|
*
|
|
* @return This method returns a value indicating the number of started
|
|
* IO requests.
|
|
*/
|
|
U32 scif_remote_device_get_started_io_count(
|
|
SCI_REMOTE_DEVICE_HANDLE_T remote_device
|
|
);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif // __cplusplus
|
|
|
|
#endif // _SCIF_REMOTE_DEVICE_H_
|
|
|