180 lines
6.5 KiB
C
180 lines
6.5 KiB
C
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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 "phy.h"
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#include "scic_port.h"
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#include "scic_config_parameters.h"
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/**
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* isci_phy_init() - This function is called by the probe function to
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* initialize the phy objects. This func assumes that the isci_port objects
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* associated with the SCU have been initialized.
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* @isci_phy: This parameter specifies the isci_phy object to initialize
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* @isci_host: This parameter specifies the parent SCU host object for this
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* isci_phy
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* @index: This parameter specifies which SCU phy associates with this
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* isci_phy. Generally, SCU phy 0 relates isci_phy 0, etc.
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*
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*/
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void isci_phy_init(
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struct isci_phy *phy,
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struct isci_host *isci_host,
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int index)
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{
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struct scic_sds_controller *controller = isci_host->core_controller;
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struct scic_sds_phy *scic_phy;
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union scic_oem_parameters oem_parameters;
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enum sci_status status = SCI_SUCCESS;
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/*--------------- SCU_Phy Initialization Stuff -----------------------*/
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status = scic_controller_get_phy_handle(controller, index, &scic_phy);
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if (status == SCI_SUCCESS) {
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sci_object_set_association(scic_phy, (void *)phy);
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phy->sci_phy_handle = scic_phy;
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} else
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dev_err(&isci_host->pdev->dev,
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"failed scic_controller_get_phy_handle\n");
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scic_oem_parameters_get(controller, &oem_parameters);
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phy->sas_addr[0] = oem_parameters.sds1.phys[index].sas_address.low
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& 0xFF;
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phy->sas_addr[1] = (oem_parameters.sds1.phys[index].sas_address.low
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>> 8) & 0xFF;
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phy->sas_addr[2] = (oem_parameters.sds1.phys[index].sas_address.low
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>> 16) & 0xFF;
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phy->sas_addr[3] = (oem_parameters.sds1.phys[index].sas_address.low
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>> 24) & 0xFF;
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phy->sas_addr[4] = oem_parameters.sds1.phys[index].sas_address.high
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& 0xFF;
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phy->sas_addr[5] = (oem_parameters.sds1.phys[index].sas_address.high
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>> 8) & 0xFF;
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phy->sas_addr[6] = (oem_parameters.sds1.phys[index].sas_address.high
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>> 16) & 0xFF;
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phy->sas_addr[7] = (oem_parameters.sds1.phys[index].sas_address.high
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>> 24) & 0xFF;
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phy->isci_port = NULL;
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phy->sas_phy.enabled = 0;
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phy->sas_phy.id = index;
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phy->sas_phy.sas_addr = &phy->sas_addr[0];
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phy->sas_phy.frame_rcvd = (u8 *)&phy->frame_rcvd;
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phy->sas_phy.ha = &isci_host->sas_ha;
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phy->sas_phy.lldd_phy = phy;
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phy->sas_phy.enabled = 1;
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phy->sas_phy.class = SAS;
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phy->sas_phy.iproto = SAS_PROTOCOL_ALL;
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phy->sas_phy.tproto = 0;
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phy->sas_phy.type = PHY_TYPE_PHYSICAL;
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phy->sas_phy.role = PHY_ROLE_INITIATOR;
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phy->sas_phy.oob_mode = OOB_NOT_CONNECTED;
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phy->sas_phy.linkrate = SAS_LINK_RATE_UNKNOWN;
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memset((u8 *)&phy->frame_rcvd, 0, sizeof(phy->frame_rcvd));
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}
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/**
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* isci_phy_control() - This function is one of the SAS Domain Template
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* functions. This is a phy management function.
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* @phy: This parameter specifies the sphy being controlled.
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* @func: This parameter specifies the phy control function being invoked.
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* @buf: This parameter is specific to the phy function being invoked.
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*
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* status, zero indicates success.
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*/
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int isci_phy_control(
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struct asd_sas_phy *phy,
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enum phy_func func,
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void *buf)
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{
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int ret = TMF_RESP_FUNC_COMPLETE;
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struct isci_phy *isci_phy_ptr = (struct isci_phy *)phy->lldd_phy;
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struct isci_port *isci_port_ptr = NULL;
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if (isci_phy_ptr != NULL)
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isci_port_ptr = isci_phy_ptr->isci_port;
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if ((isci_phy_ptr == NULL) || (isci_port_ptr == NULL)) {
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pr_err("%s: asd_sas_phy %p: lldd_phy %p or "
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"isci_port %p == NULL!\n",
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__func__, phy, isci_phy_ptr, isci_port_ptr);
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return TMF_RESP_FUNC_FAILED;
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}
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pr_debug("%s: phy %p; func %d; buf %p; isci phy %p, port %p\n",
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__func__, phy, func, buf, isci_phy_ptr, isci_port_ptr);
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switch (func) {
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case PHY_FUNC_HARD_RESET:
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case PHY_FUNC_LINK_RESET:
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/* Perform the port reset. */
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ret = isci_port_perform_hard_reset(isci_port_ptr, isci_phy_ptr);
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break;
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case PHY_FUNC_DISABLE:
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default:
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pr_debug("%s: phy %p; func %d NOT IMPLEMENTED!\n",
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__func__, phy, func);
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ret = TMF_RESP_FUNC_FAILED;
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break;
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}
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return ret;
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}
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