mirror of https://gitee.com/openkylin/linux.git
127 lines
4.0 KiB
C
127 lines
4.0 KiB
C
/*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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*
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* BSD LICENSE
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SCI_ENVIRONMENT_H_
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#define _SCI_ENVIRONMENT_H_
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#include "isci.h"
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struct scic_sds_controller;
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struct scic_sds_phy;
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struct scic_sds_port;
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struct scic_sds_remote_device;
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static inline struct device *scic_to_dev(struct scic_sds_controller *scic)
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{
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struct isci_host *isci_host = sci_object_get_association(scic);
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return &isci_host->pdev->dev;
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}
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static inline struct device *sciphy_to_dev(struct scic_sds_phy *sci_phy)
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{
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struct isci_phy *iphy = sci_object_get_association(sci_phy);
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if (!iphy || !iphy->isci_port || !iphy->isci_port->isci_host)
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return NULL;
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return &iphy->isci_port->isci_host->pdev->dev;
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}
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static inline struct device *sciport_to_dev(struct scic_sds_port *sci_port)
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{
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struct isci_port *iport = sci_object_get_association(sci_port);
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if (!iport || !iport->isci_host)
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return NULL;
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return &iport->isci_host->pdev->dev;
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}
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static inline struct device *scirdev_to_dev(struct scic_sds_remote_device *sci_dev)
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{
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struct isci_remote_device *idev = sci_object_get_association(sci_dev);
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if (!idev || !idev->isci_port || !idev->isci_port->isci_host)
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return NULL;
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return &idev->isci_port->isci_host->pdev->dev;
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}
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enum {
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ISCI_SI_REVA0,
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ISCI_SI_REVA2,
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ISCI_SI_REVB0,
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};
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extern int isci_si_rev;
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static inline bool is_a0(void)
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{
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return isci_si_rev == ISCI_SI_REVA0;
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}
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static inline bool is_a2(void)
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{
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return isci_si_rev == ISCI_SI_REVA2;
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}
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static inline bool is_b0(void)
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{
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return isci_si_rev > ISCI_SI_REVA2;
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}
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#endif
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