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/*-
* 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: release/9.1.0/sys/dev/isci/scil/sci_controller_constants.h 231689 2012-02-14 15:58:49Z jimharris $
*/
#ifndef _SCI_CONTROLLER_CONSTANTS_H_
#define _SCI_CONTROLLER_CONSTANTS_H_
/**
* @file
*
* @brief This file contains constant values that change based on the type
* of core or framework being managed. These constants are exported
* in order to provide the user with information as to the bounds
* (i.e. how many) of specific objects.
*/
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
#ifdef SCIC_SDS_4_ENABLED
#ifndef SCI_MAX_PHYS
/**
* This constant defines the maximum number of phy objects that can be
* supported for the SCU Driver Standard (SDS) library. This is tied
* directly to silicon capabilities.
*/
#define SCI_MAX_PHYS (4)
#endif
#ifndef SCI_MAX_PORTS
/**
* This constant defines the maximum number of port objects that can be
* supported for the SCU Driver Standard (SDS) library. This is tied
* directly to silicon capabilities.
*/
#define SCI_MAX_PORTS SCI_MAX_PHYS
#endif
#ifndef SCI_MIN_SMP_PHYS
/**
* This constant defines the minimum number of SMP phy objects that
* can be supported for a single expander level.
* This was determined by using 36 physical phys and room for 2 virtual
* phys.
*/
#define SCI_MIN_SMP_PHYS (38)
#endif
#ifndef SCI_MAX_SMP_PHYS
/**
* This constant defines the maximum number of SMP phy objects that
* can be supported for the SCU Driver Standard (SDS) library.
* This number can be increased if required.
*/
#define SCI_MAX_SMP_PHYS (384)
#endif
#ifndef SCI_MAX_REMOTE_DEVICES
/**
* This constant defines the maximum number of remote device objects that
* can be supported for the SCU Driver Standard (SDS) library. This is tied
* directly to silicon capabilities.
*/
#define SCI_MAX_REMOTE_DEVICES (256)
#endif
#ifndef SCI_MIN_REMOTE_DEVICES
/**
* This constant defines the minimum number of remote device objects that
* can be supported for the SCU Driver Standard (SDS) library. This # can
* be configured for minimum memory environments to any value less than
* SCI_MAX_REMOTE_DEVICES
*/
#define SCI_MIN_REMOTE_DEVICES (16)
#endif
#ifndef SCI_MAX_IO_REQUESTS
/**
* This constant defines the maximum number of IO request objects that
* can be supported for the SCU Driver Standard (SDS) library. This is tied
* directly to silicon capabilities.
*/
#define SCI_MAX_IO_REQUESTS (256)
#endif
#ifndef SCI_MIN_IO_REQUESTS
/**
* This constant defines the minimum number of IO request objects that
* can be supported for the SCU Driver Standard (SDS) library. This #
* can be configured for minimum memory environments to any value less
* than SCI_MAX_IO_REQUESTS.
*/
#define SCI_MIN_IO_REQUESTS (1)
#endif
#ifndef SCI_MAX_SCATTER_GATHER_ELEMENTS
/**
* This constant defines the maximum number of Scatter-Gather Elements
* to be used by any SCI component.
*/
#define SCI_MAX_SCATTER_GATHER_ELEMENTS 130
#endif
#ifndef SCI_MIN_SCATTER_GATHER_ELEMENTS
/**
* This constant defines the minimum number of Scatter-Gather Elements
* to be used by any SCI component.
*/
#define SCI_MIN_SCATTER_GATHER_ELEMENTS 1
#endif
#else // SCIC_SDS_4_ENABLED
#error "SCI Core configuration left unspecified (e.g. SCIC_SDS_4_ENABLED)"
#endif // SCIC_SDS_4_ENABLED
/**
* This constant defines the maximum number of PCI devices that can be supported
* by the driver.
*/
#define SCI_MAX_PCI_DEVICES (2)
/**
* This constant defines the maximum number of controllers that can
* occur in a single silicon package.
*/
#define SCI_MAX_CONTROLLERS_PER_PCI_DEVICE (2)
/**
* This constant defines the maximum number of controllers that can
* be supported by a library object. The user specified maximum controller
* count must be less than or equal to this number. This is a driver
* specific constant that is not tied to silicon capabilities.
*/
#if !defined(SCI_MAX_CONTROLLERS)
#define SCI_MAX_CONTROLLERS (2)
#endif
#ifndef SCI_MAX_MSIX_MESSAGES_PER_CONTROLLER
/**
* This constant defines the maximum number of MSI-X interrupt vectors/messages
* supported for an SCU hardware controller instance.
*/
#define SCI_MAX_MSIX_MESSAGES_PER_CONTROLLER (2)
#endif
/**
* This constant defines the maximum number of MSI-X interrupt vectors/messages
* supported for an SCU device.
*/
#define SCI_MAX_MSIX_MESSAGES \
(SCI_MAX_MSIX_MESSAGES_PER_CONTROLLER * SCI_MAX_CONTROLLERS)
/**
* The maximum number of supported domain objects is currently tied to the
* maximum number of support port objects.
*/
#define SCI_MAX_DOMAINS SCI_MAX_PORTS
#ifdef __cplusplus
}
#endif // __cplusplus
#endif // _SCI_CONTROLLER_CONSTANTS_H_