2011-07-03 13:56:22 +08:00
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/*
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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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#include "isci.h"
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#include "scic_io_request.h"
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#include "scic_remote_device.h"
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#include "scic_port.h"
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#include "port.h"
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#include "request.h"
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#include "host.h"
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2011-02-19 01:25:05 +08:00
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irqreturn_t isci_msix_isr(int vec, void *data)
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2011-07-03 13:56:22 +08:00
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{
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2011-02-19 01:25:05 +08:00
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struct isci_host *ihost = data;
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struct scic_sds_controller *scic = ihost->core_controller;
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2011-02-19 01:25:07 +08:00
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if (scic_sds_controller_isr(scic))
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tasklet_schedule(&ihost->completion_tasklet);
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2011-07-03 13:56:22 +08:00
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2011-02-19 01:25:05 +08:00
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return IRQ_HANDLED;
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2011-07-03 13:56:22 +08:00
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}
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2011-02-19 01:25:05 +08:00
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irqreturn_t isci_intx_isr(int vec, void *data)
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2011-07-03 13:56:22 +08:00
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{
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struct pci_dev *pdev = data;
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2011-02-19 01:25:05 +08:00
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struct isci_host *ihost;
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2011-07-03 13:56:22 +08:00
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irqreturn_t ret = IRQ_NONE;
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2011-02-19 01:25:05 +08:00
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for_each_isci_host(ihost, pdev) {
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struct scic_sds_controller *scic = ihost->core_controller;
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2011-02-19 01:25:07 +08:00
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if (scic_sds_controller_isr(scic)) {
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tasklet_schedule(&ihost->completion_tasklet);
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ret = IRQ_HANDLED;
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2011-02-19 01:25:11 +08:00
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} else if (scic_sds_controller_error_isr(scic)) {
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spin_lock(&ihost->scic_lock);
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scic_sds_controller_error_handler(scic);
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spin_unlock(&ihost->scic_lock);
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ret = IRQ_HANDLED;
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2011-02-19 01:25:07 +08:00
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}
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2011-07-03 13:56:22 +08:00
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}
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2011-02-19 01:25:11 +08:00
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2011-07-03 13:56:22 +08:00
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return ret;
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}
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2011-02-19 01:25:11 +08:00
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irqreturn_t isci_error_isr(int vec, void *data)
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{
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struct isci_host *ihost = data;
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struct scic_sds_controller *scic = ihost->core_controller;
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if (scic_sds_controller_error_isr(scic))
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scic_sds_controller_error_handler(scic);
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return IRQ_HANDLED;
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}
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2011-07-03 13:56:22 +08:00
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/**
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* isci_host_start_complete() - This function is called by the core library,
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* through the ISCI Module, to indicate controller start status.
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* @isci_host: This parameter specifies the ISCI host object
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* @completion_status: This parameter specifies the completion status from the
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* core library.
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*
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*/
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2011-02-19 01:25:07 +08:00
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void isci_host_start_complete(struct isci_host *ihost, enum sci_status completion_status)
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2011-07-03 13:56:22 +08:00
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{
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2011-02-19 01:25:07 +08:00
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if (completion_status != SCI_SUCCESS)
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dev_info(&ihost->pdev->dev,
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"controller start timed out, continuing...\n");
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isci_host_change_state(ihost, isci_ready);
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clear_bit(IHOST_START_PENDING, &ihost->flags);
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wake_up(&ihost->eventq);
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2011-07-03 13:56:22 +08:00
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}
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2011-02-19 01:25:05 +08:00
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int isci_host_scan_finished(struct Scsi_Host *shost, unsigned long time)
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2011-07-03 13:56:22 +08:00
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{
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2011-02-19 01:25:07 +08:00
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struct isci_host *ihost = isci_host_from_sas_ha(SHOST_TO_SAS_HA(shost));
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2011-07-03 13:56:22 +08:00
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2011-02-19 01:25:09 +08:00
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if (test_bit(IHOST_START_PENDING, &ihost->flags))
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2011-07-03 13:56:22 +08:00
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return 0;
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2011-02-19 01:25:09 +08:00
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/* todo: use sas_flush_discovery once it is upstream */
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scsi_flush_work(shost);
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scsi_flush_work(shost);
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2011-07-03 13:56:22 +08:00
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2011-02-19 01:25:07 +08:00
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dev_dbg(&ihost->pdev->dev,
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"%s: ihost->status = %d, time = %ld\n",
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__func__, isci_host_get_state(ihost), time);
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2011-07-03 13:56:22 +08:00
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return 1;
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}
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void isci_host_scan_start(struct Scsi_Host *shost)
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{
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2011-02-19 01:25:07 +08:00
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struct isci_host *ihost = isci_host_from_sas_ha(SHOST_TO_SAS_HA(shost));
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struct scic_sds_controller *scic = ihost->core_controller;
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unsigned long tmo = scic_controller_get_suggested_start_timeout(scic);
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2011-07-03 13:56:22 +08:00
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2011-02-19 01:25:07 +08:00
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set_bit(IHOST_START_PENDING, &ihost->flags);
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2011-02-19 01:25:09 +08:00
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spin_lock_irq(&ihost->scic_lock);
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2011-02-19 01:25:07 +08:00
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scic_controller_start(scic, tmo);
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2011-02-19 01:25:09 +08:00
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scic_controller_enable_interrupts(scic);
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spin_unlock_irq(&ihost->scic_lock);
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2011-07-03 13:56:22 +08:00
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}
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2011-02-19 01:25:07 +08:00
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void isci_host_stop_complete(struct isci_host *ihost, enum sci_status completion_status)
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2011-07-03 13:56:22 +08:00
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{
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2011-02-19 01:25:07 +08:00
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isci_host_change_state(ihost, isci_stopped);
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scic_controller_disable_interrupts(ihost->core_controller);
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clear_bit(IHOST_STOP_PENDING, &ihost->flags);
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wake_up(&ihost->eventq);
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2011-07-03 13:56:22 +08:00
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}
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static struct coherent_memory_info *isci_host_alloc_mdl_struct(
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struct isci_host *isci_host,
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u32 size)
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{
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struct coherent_memory_info *mdl_struct;
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void *uncached_address = NULL;
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mdl_struct = devm_kzalloc(&isci_host->pdev->dev,
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sizeof(*mdl_struct),
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GFP_KERNEL);
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if (!mdl_struct)
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return NULL;
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INIT_LIST_HEAD(&mdl_struct->node);
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uncached_address = dmam_alloc_coherent(&isci_host->pdev->dev,
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size,
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&mdl_struct->dma_handle,
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GFP_KERNEL);
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if (!uncached_address)
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return NULL;
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/* memset the whole memory area. */
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memset((char *)uncached_address, 0, size);
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mdl_struct->vaddr = uncached_address;
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mdl_struct->size = (size_t)size;
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return mdl_struct;
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}
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static void isci_host_build_mde(
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struct sci_physical_memory_descriptor *mde_struct,
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struct coherent_memory_info *mdl_struct)
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{
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unsigned long address = 0;
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dma_addr_t dma_addr = 0;
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address = (unsigned long)mdl_struct->vaddr;
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dma_addr = mdl_struct->dma_handle;
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/* to satisfy the alignment. */
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if ((address % mde_struct->constant_memory_alignment) != 0) {
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int align_offset
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= (mde_struct->constant_memory_alignment
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- (address % mde_struct->constant_memory_alignment));
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address += align_offset;
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dma_addr += align_offset;
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}
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mde_struct->virtual_address = (void *)address;
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mde_struct->physical_address = dma_addr;
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mdl_struct->mde = mde_struct;
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}
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static int isci_host_mdl_allocate_coherent(
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struct isci_host *isci_host)
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{
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struct sci_physical_memory_descriptor *current_mde;
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struct coherent_memory_info *mdl_struct;
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u32 size = 0;
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struct sci_base_memory_descriptor_list *mdl_handle
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= sci_controller_get_memory_descriptor_list_handle(
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isci_host->core_controller);
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sci_mdl_first_entry(mdl_handle);
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current_mde = sci_mdl_get_current_entry(mdl_handle);
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while (current_mde != NULL) {
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size = (current_mde->constant_memory_size
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+ current_mde->constant_memory_alignment);
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mdl_struct = isci_host_alloc_mdl_struct(isci_host, size);
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if (!mdl_struct)
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return -ENOMEM;
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list_add_tail(&mdl_struct->node, &isci_host->mdl_struct_list);
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isci_host_build_mde(current_mde, mdl_struct);
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sci_mdl_next_entry(mdl_handle);
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current_mde = sci_mdl_get_current_entry(mdl_handle);
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}
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return 0;
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}
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/**
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* isci_host_completion_routine() - This function is the delayed service
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* routine that calls the sci core library's completion handler. It's
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* scheduled as a tasklet from the interrupt service routine when interrupts
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* in use, or set as the timeout function in polled mode.
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* @data: This parameter specifies the ISCI host object
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*
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*/
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static void isci_host_completion_routine(unsigned long data)
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{
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struct isci_host *isci_host = (struct isci_host *)data;
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struct list_head completed_request_list;
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struct list_head aborted_request_list;
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struct list_head *current_position;
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struct list_head *next_position;
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struct isci_request *request;
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struct isci_request *next_request;
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struct sas_task *task;
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INIT_LIST_HEAD(&completed_request_list);
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INIT_LIST_HEAD(&aborted_request_list);
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spin_lock_irq(&isci_host->scic_lock);
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2011-02-19 01:25:05 +08:00
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scic_sds_controller_completion_handler(isci_host->core_controller);
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2011-07-03 13:56:22 +08:00
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/* Take the lists of completed I/Os from the host. */
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list_splice_init(&isci_host->requests_to_complete,
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&completed_request_list);
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list_splice_init(&isci_host->requests_to_abort,
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&aborted_request_list);
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spin_unlock_irq(&isci_host->scic_lock);
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/* Process any completions in the lists. */
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list_for_each_safe(current_position, next_position,
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&completed_request_list) {
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request = list_entry(current_position, struct isci_request,
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completed_node);
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task = isci_request_access_task(request);
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/* Normal notification (task_done) */
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dev_dbg(&isci_host->pdev->dev,
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"%s: Normal - request/task = %p/%p\n",
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__func__,
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request,
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task);
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task->task_done(task);
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task->lldd_task = NULL;
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/* Free the request object. */
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isci_request_free(isci_host, request);
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}
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list_for_each_entry_safe(request, next_request, &aborted_request_list,
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completed_node) {
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task = isci_request_access_task(request);
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/* Use sas_task_abort */
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dev_warn(&isci_host->pdev->dev,
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"%s: Error - request/task = %p/%p\n",
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__func__,
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request,
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task);
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/* Put the task into the abort path. */
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sas_task_abort(task);
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}
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}
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|
2011-02-19 01:25:07 +08:00
|
|
|
void isci_host_deinit(struct isci_host *ihost)
|
2011-07-03 13:56:22 +08:00
|
|
|
{
|
2011-02-19 01:25:07 +08:00
|
|
|
struct scic_sds_controller *scic = ihost->core_controller;
|
2011-07-03 13:56:22 +08:00
|
|
|
int i;
|
|
|
|
|
2011-02-19 01:25:07 +08:00
|
|
|
isci_host_change_state(ihost, isci_stopping);
|
2011-07-03 13:56:22 +08:00
|
|
|
for (i = 0; i < SCI_MAX_PORTS; i++) {
|
2011-02-19 01:25:07 +08:00
|
|
|
struct isci_port *port = &ihost->isci_ports[i];
|
|
|
|
struct isci_remote_device *idev, *d;
|
|
|
|
|
|
|
|
list_for_each_entry_safe(idev, d, &port->remote_dev_list, node) {
|
|
|
|
isci_remote_device_change_state(idev, isci_stopping);
|
|
|
|
isci_remote_device_stop(idev);
|
2011-07-03 13:56:22 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-02-19 01:25:07 +08:00
|
|
|
set_bit(IHOST_STOP_PENDING, &ihost->flags);
|
|
|
|
scic_controller_stop(scic, SCIC_CONTROLLER_STOP_TIMEOUT);
|
|
|
|
wait_for_stop(ihost);
|
|
|
|
scic_controller_reset(scic);
|
2011-07-03 13:56:22 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static int isci_verify_firmware(const struct firmware *fw,
|
|
|
|
struct isci_firmware *isci_fw)
|
|
|
|
{
|
|
|
|
const u8 *tmp;
|
|
|
|
|
|
|
|
if (fw->size < ISCI_FIRMWARE_MIN_SIZE)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
tmp = fw->data;
|
|
|
|
|
|
|
|
/* 12th char should be the NULL terminate for the ID string */
|
|
|
|
if (tmp[11] != '\0')
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (strncmp("#SCU MAGIC#", tmp, 11) != 0)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
isci_fw->id = tmp;
|
|
|
|
isci_fw->version = fw->data[ISCI_FW_VER_OFS];
|
|
|
|
isci_fw->subversion = fw->data[ISCI_FW_SUBVER_OFS];
|
|
|
|
|
|
|
|
tmp = fw->data + ISCI_FW_DATA_OFS;
|
|
|
|
|
|
|
|
while (*tmp != ISCI_FW_HDR_EOF) {
|
|
|
|
switch (*tmp) {
|
|
|
|
case ISCI_FW_HDR_PHYMASK:
|
|
|
|
tmp++;
|
|
|
|
isci_fw->phy_masks_size = *tmp;
|
|
|
|
tmp++;
|
|
|
|
isci_fw->phy_masks = (const u32 *)tmp;
|
|
|
|
tmp += sizeof(u32) * isci_fw->phy_masks_size;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ISCI_FW_HDR_PHYGEN:
|
|
|
|
tmp++;
|
|
|
|
isci_fw->phy_gens_size = *tmp;
|
|
|
|
tmp++;
|
|
|
|
isci_fw->phy_gens = (const u32 *)tmp;
|
|
|
|
tmp += sizeof(u32) * isci_fw->phy_gens_size;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ISCI_FW_HDR_SASADDR:
|
|
|
|
tmp++;
|
|
|
|
isci_fw->sas_addrs_size = *tmp;
|
|
|
|
tmp++;
|
|
|
|
isci_fw->sas_addrs = (const u64 *)tmp;
|
|
|
|
tmp += sizeof(u64) * isci_fw->sas_addrs_size;
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
pr_err("bad field in firmware binary blob\n");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pr_info("isci firmware v%u.%u loaded.\n",
|
|
|
|
isci_fw->version, isci_fw->subversion);
|
|
|
|
|
|
|
|
return SCI_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void __iomem *scu_base(struct isci_host *isci_host)
|
|
|
|
{
|
|
|
|
struct pci_dev *pdev = isci_host->pdev;
|
|
|
|
int id = isci_host->id;
|
|
|
|
|
|
|
|
return pcim_iomap_table(pdev)[SCI_SCU_BAR * 2] + SCI_SCU_BAR_SIZE * id;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void __iomem *smu_base(struct isci_host *isci_host)
|
|
|
|
{
|
|
|
|
struct pci_dev *pdev = isci_host->pdev;
|
|
|
|
int id = isci_host->id;
|
|
|
|
|
|
|
|
return pcim_iomap_table(pdev)[SCI_SMU_BAR * 2] + SCI_SMU_BAR_SIZE * id;
|
|
|
|
}
|
|
|
|
|
|
|
|
#define SCI_MAX_TIMER_COUNT 25
|
|
|
|
|
|
|
|
int isci_host_init(struct isci_host *isci_host)
|
|
|
|
{
|
|
|
|
int err = 0;
|
|
|
|
int index = 0;
|
|
|
|
enum sci_status status;
|
|
|
|
struct scic_sds_controller *controller;
|
|
|
|
struct scic_sds_port *scic_port;
|
|
|
|
union scic_oem_parameters scic_oem_params;
|
|
|
|
union scic_user_parameters scic_user_params;
|
|
|
|
const struct firmware *fw = NULL;
|
|
|
|
struct isci_firmware *isci_fw = NULL;
|
|
|
|
|
|
|
|
INIT_LIST_HEAD(&isci_host->timer_list_struct.timers);
|
|
|
|
isci_timer_list_construct(
|
|
|
|
&isci_host->timer_list_struct,
|
|
|
|
SCI_MAX_TIMER_COUNT
|
|
|
|
);
|
|
|
|
|
|
|
|
controller = scic_controller_alloc(&isci_host->pdev->dev);
|
|
|
|
|
|
|
|
if (!controller) {
|
|
|
|
err = -ENOMEM;
|
|
|
|
dev_err(&isci_host->pdev->dev, "%s: failed (%d)\n", __func__, err);
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
|
|
|
isci_host->core_controller = controller;
|
|
|
|
spin_lock_init(&isci_host->state_lock);
|
|
|
|
spin_lock_init(&isci_host->scic_lock);
|
|
|
|
spin_lock_init(&isci_host->queue_lock);
|
2011-02-19 01:25:07 +08:00
|
|
|
init_waitqueue_head(&isci_host->eventq);
|
2011-07-03 13:56:22 +08:00
|
|
|
|
|
|
|
isci_host_change_state(isci_host, isci_starting);
|
|
|
|
isci_host->can_queue = ISCI_CAN_QUEUE_VAL;
|
|
|
|
|
|
|
|
status = scic_controller_construct(controller, scu_base(isci_host),
|
|
|
|
smu_base(isci_host));
|
|
|
|
|
|
|
|
if (status != SCI_SUCCESS) {
|
|
|
|
dev_err(&isci_host->pdev->dev,
|
|
|
|
"%s: scic_controller_construct failed - status = %x\n",
|
|
|
|
__func__,
|
|
|
|
status);
|
|
|
|
err = -ENODEV;
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
|
|
|
isci_host->sas_ha.dev = &isci_host->pdev->dev;
|
|
|
|
isci_host->sas_ha.lldd_ha = isci_host;
|
|
|
|
|
|
|
|
/*----------- SCIC controller Initialization Stuff ------------------
|
|
|
|
* set association host adapter struct in core controller.
|
|
|
|
*/
|
|
|
|
sci_object_set_association(isci_host->core_controller,
|
|
|
|
(void *)isci_host
|
|
|
|
);
|
|
|
|
|
|
|
|
/* grab initial values stored in the controller object for OEM and USER
|
|
|
|
* parameters */
|
|
|
|
scic_oem_parameters_get(controller, &scic_oem_params);
|
|
|
|
scic_user_parameters_get(controller, &scic_user_params);
|
|
|
|
|
|
|
|
isci_fw = devm_kzalloc(&isci_host->pdev->dev,
|
|
|
|
sizeof(struct isci_firmware),
|
|
|
|
GFP_KERNEL);
|
|
|
|
if (!isci_fw) {
|
|
|
|
dev_warn(&isci_host->pdev->dev,
|
|
|
|
"allocating firmware struct failed\n");
|
|
|
|
dev_warn(&isci_host->pdev->dev,
|
|
|
|
"Default OEM configuration being used:"
|
|
|
|
" 4 narrow ports, and default SAS Addresses\n");
|
|
|
|
goto set_default_params;
|
|
|
|
}
|
|
|
|
|
|
|
|
status = request_firmware(&fw, ISCI_FW_NAME, &isci_host->pdev->dev);
|
|
|
|
if (status) {
|
|
|
|
dev_warn(&isci_host->pdev->dev,
|
|
|
|
"Loading firmware failed, using default values\n");
|
|
|
|
dev_warn(&isci_host->pdev->dev,
|
|
|
|
"Default OEM configuration being used:"
|
|
|
|
" 4 narrow ports, and default SAS Addresses\n");
|
|
|
|
goto set_default_params;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
status = isci_verify_firmware(fw, isci_fw);
|
|
|
|
if (status != SCI_SUCCESS) {
|
|
|
|
dev_warn(&isci_host->pdev->dev,
|
|
|
|
"firmware verification failed\n");
|
|
|
|
dev_warn(&isci_host->pdev->dev,
|
|
|
|
"Default OEM configuration being used:"
|
|
|
|
" 4 narrow ports, and default SAS "
|
|
|
|
"Addresses\n");
|
|
|
|
goto set_default_params;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* grab any OEM and USER parameters specified at module load */
|
|
|
|
status = isci_parse_oem_parameters(&scic_oem_params,
|
|
|
|
isci_host->id, isci_fw);
|
|
|
|
if (status != SCI_SUCCESS) {
|
|
|
|
dev_warn(&isci_host->pdev->dev,
|
|
|
|
"parsing firmware oem parameters failed\n");
|
|
|
|
err = -EINVAL;
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
|
|
|
status = isci_parse_user_parameters(&scic_user_params,
|
|
|
|
isci_host->id, isci_fw);
|
|
|
|
if (status != SCI_SUCCESS) {
|
|
|
|
dev_warn(&isci_host->pdev->dev,
|
|
|
|
"%s: isci_parse_user_parameters"
|
|
|
|
" failed\n", __func__);
|
|
|
|
err = -EINVAL;
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
set_default_params:
|
|
|
|
|
|
|
|
status = scic_oem_parameters_set(isci_host->core_controller,
|
|
|
|
&scic_oem_params
|
|
|
|
);
|
|
|
|
|
|
|
|
if (status != SCI_SUCCESS) {
|
|
|
|
dev_warn(&isci_host->pdev->dev,
|
|
|
|
"%s: scic_oem_parameters_set failed\n",
|
|
|
|
__func__);
|
|
|
|
err = -ENODEV;
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
status = scic_user_parameters_set(isci_host->core_controller,
|
|
|
|
&scic_user_params
|
|
|
|
);
|
|
|
|
|
|
|
|
if (status != SCI_SUCCESS) {
|
|
|
|
dev_warn(&isci_host->pdev->dev,
|
|
|
|
"%s: scic_user_parameters_set failed\n",
|
|
|
|
__func__);
|
|
|
|
err = -ENODEV;
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
|
|
|
status = scic_controller_initialize(isci_host->core_controller);
|
|
|
|
if (status != SCI_SUCCESS) {
|
|
|
|
dev_warn(&isci_host->pdev->dev,
|
|
|
|
"%s: scic_controller_initialize failed -"
|
|
|
|
" status = 0x%x\n",
|
|
|
|
__func__, status);
|
|
|
|
err = -ENODEV;
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
|
|
|
tasklet_init(&isci_host->completion_tasklet,
|
2011-02-19 01:25:05 +08:00
|
|
|
isci_host_completion_routine, (unsigned long)isci_host);
|
2011-07-03 13:56:22 +08:00
|
|
|
|
|
|
|
INIT_LIST_HEAD(&(isci_host->mdl_struct_list));
|
|
|
|
|
|
|
|
INIT_LIST_HEAD(&isci_host->requests_to_complete);
|
|
|
|
INIT_LIST_HEAD(&isci_host->requests_to_abort);
|
|
|
|
|
|
|
|
/* populate mdl with dma memory. scu_mdl_allocate_coherent() */
|
|
|
|
err = isci_host_mdl_allocate_coherent(isci_host);
|
|
|
|
|
|
|
|
if (err)
|
|
|
|
goto err_out;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* keep the pool alloc size around, will use it for a bounds checking
|
|
|
|
* when trying to convert virtual addresses to physical addresses
|
|
|
|
*/
|
|
|
|
isci_host->dma_pool_alloc_size = sizeof(struct isci_request) +
|
|
|
|
scic_io_request_get_object_size();
|
|
|
|
isci_host->dma_pool = dmam_pool_create(DRV_NAME, &isci_host->pdev->dev,
|
|
|
|
isci_host->dma_pool_alloc_size,
|
|
|
|
SLAB_HWCACHE_ALIGN, 0);
|
|
|
|
|
|
|
|
if (!isci_host->dma_pool) {
|
|
|
|
err = -ENOMEM;
|
|
|
|
goto req_obj_err_out;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (index = 0; index < SCI_MAX_PORTS; index++) {
|
|
|
|
isci_port_init(&isci_host->isci_ports[index],
|
|
|
|
isci_host, index);
|
|
|
|
}
|
|
|
|
|
|
|
|
for (index = 0; index < SCI_MAX_PHYS; index++)
|
|
|
|
isci_phy_init(&isci_host->phys[index], isci_host, index);
|
|
|
|
|
|
|
|
/* Why are we doing this? Is this even necessary? */
|
|
|
|
memcpy(&isci_host->sas_addr[0], &isci_host->phys[0].sas_addr[0],
|
|
|
|
SAS_ADDR_SIZE);
|
|
|
|
|
|
|
|
/* Start the ports */
|
|
|
|
for (index = 0; index < SCI_MAX_PORTS; index++) {
|
|
|
|
|
|
|
|
scic_controller_get_port_handle(controller, index, &scic_port);
|
|
|
|
scic_port_start(scic_port);
|
|
|
|
}
|
|
|
|
|
|
|
|
goto out;
|
|
|
|
|
|
|
|
/* SPB_Debug: destroy request object cache */
|
|
|
|
req_obj_err_out:
|
|
|
|
/* SPB_Debug: destroy remote object cache */
|
|
|
|
err_out:
|
|
|
|
/* SPB_Debug: undo controller init, construct and alloc, remove from parent
|
|
|
|
* controller list. */
|
|
|
|
out:
|
|
|
|
if (fw)
|
|
|
|
release_firmware(fw);
|
|
|
|
return err;
|
|
|
|
}
|