154 lines
5.0 KiB
C
154 lines
5.0 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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#if !defined(_ISCI_REMOTE_DEVICE_H_)
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#define _ISCI_REMOTE_DEVICE_H_
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struct isci_host;
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struct scic_sds_remote_device;
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struct isci_remote_device {
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struct scic_sds_remote_device *sci_device_handle;
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enum isci_status status;
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struct isci_port *isci_port;
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struct domain_device *domain_dev;
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struct completion *completion;
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struct list_head node;
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struct list_head reqs_in_process;
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struct work_struct stop_work;
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spinlock_t state_lock;
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spinlock_t host_quiesce_lock;
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bool host_quiesce;
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};
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#define to_isci_remote_device(p) \
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container_of(p, struct isci_remote_device, sci_remote_device);
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#define ISCI_REMOTE_DEVICE_START_TIMEOUT 5000
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/**
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* This function gets the status of the remote_device object.
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* @isci_device: This parameter points to the isci_remote_device object
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*
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* status of the object as a isci_status enum.
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*/
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static inline
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enum isci_status isci_remote_device_get_state(
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struct isci_remote_device *isci_device)
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{
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return (isci_device->host_quiesce)
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? isci_host_quiesce
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: isci_device->status;
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}
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/**
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* isci_dev_from_domain_dev() - This accessor retrieves the remote_device
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* object reference from the Linux domain_device reference.
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* @domdev,: This parameter points to the Linux domain_device object .
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*
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* A reference to the associated isci remote device.
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*/
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#define isci_dev_from_domain_dev(domdev) \
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((struct isci_remote_device *)(domdev)->lldd_dev)
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void isci_remote_device_start_complete(
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struct isci_host *,
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struct isci_remote_device *,
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enum sci_status);
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void isci_remote_device_stop_complete(
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struct isci_host *,
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struct isci_remote_device *,
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enum sci_status);
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enum sci_status isci_remote_device_stop(
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struct isci_remote_device *isci_device);
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void isci_remote_device_nuke_requests(
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struct isci_remote_device *isci_device);
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void isci_remote_device_ready(
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struct isci_remote_device *);
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void isci_remote_device_not_ready(
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struct isci_remote_device *,
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u32);
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void isci_remote_device_gone(
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struct domain_device *domain_dev);
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int isci_remote_device_found(
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struct domain_device *domain_dev);
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bool isci_device_is_reset_pending(
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struct isci_host *isci_host,
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struct isci_remote_device *isci_device);
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void isci_device_clear_reset_pending(
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struct isci_remote_device *isci_device);
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void isci_device_set_host_quiesce_lock_state(
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struct isci_remote_device *isci_device,
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bool lock_state);
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void isci_remote_device_change_state(
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struct isci_remote_device *isci_device,
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enum isci_status status);
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#endif /* !defined(_ISCI_REMOTE_DEVICE_H_) */
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