601 lines
20 KiB
C
601 lines
20 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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*
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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 <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/**
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* @file
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*
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* @brief This file contains the method implementations for the
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* SCIF_SAS_SMP_IO_REQUEST object. The contents will implement SMP
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* specific functionality.
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*/
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#include <dev/isci/scil/scif_sas_smp_io_request.h>
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#include <dev/isci/scil/scif_sas_logger.h>
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#include <dev/isci/scil/scif_sas_controller.h>
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#include <dev/isci/scil/sci_controller.h>
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#include <dev/isci/scil/sci_status.h>
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#include <dev/isci/scil/scic_io_request.h>
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#include <dev/isci/scil/scic_user_callback.h>
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#include <dev/isci/scil/intel_sas.h>
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/**
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* @brief This routine is to fill in the space given by core the SMP command
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* frame. Then it calls core's construction.
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*
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* @param[in] fw_io The smp io request to be constructed.
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* @param[in] smp_command The SMP request filled according to SAS spec.
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*
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* @return none
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*/
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void scif_sas_smp_request_construct(
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SCIF_SAS_REQUEST_T * fw_request,
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SMP_REQUEST_T * smp_command
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)
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{
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void * command_iu_address =
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scic_io_request_get_command_iu_address(fw_request->core_object);
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//copy the smp_command to the address;
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memcpy( (char*) command_iu_address,
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smp_command,
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sizeof(SMP_REQUEST_T)
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);
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scic_io_request_construct_smp(fw_request->core_object);
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fw_request->protocol_complete_handler
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= NULL;
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}
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/**
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* @brief This method will perform all of the construction common to all
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* SMP requests (e.g. filling in the frame type, zero-out memory,
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* etc.).
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*
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* @param[out] smp_request This parameter specifies the SMP request
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* structure containing the SMP request to be sent to the
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* SMP target.
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* @param[in] smp_function This parameter specifies the SMP function to
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* sent.
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* @param[in] smp_response_length This parameter specifies the length of
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* the response (in DWORDs) that will be returned for this
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* SMP request.
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* @param[in] smp_request_length This parameter specifies the length of
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* the request (in DWORDs) that will be sent.
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*/
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static
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void scif_sas_smp_protocol_request_construct(
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SMP_REQUEST_T * smp_request,
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U8 smp_function,
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U8 smp_response_length,
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U8 smp_request_length
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)
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{
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memset((char*)smp_request, 0, sizeof(SMP_REQUEST_T));
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smp_request->header.smp_frame_type = SMP_FRAME_TYPE_REQUEST;
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smp_request->header.function = smp_function;
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smp_request->header.allocated_response_length = smp_response_length;
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smp_request->header.request_length = smp_request_length;
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}
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/**
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* @brief This method will allocate the internal IO request object and
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* construct its contents based upon the supplied SMP request.
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*
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* @param[in] fw_controller This parameter specifies the controller object
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* from which to allocate the internal IO request.
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* @param[in] fw_device This parameter specifies the remote device for
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* which the internal IO request is destined.
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* @param[in] smp_request This parameter specifies the SMP request contents
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* to be sent to the SMP target.
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*
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* @return void * The address of built scif sas smp request.
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*/
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static
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void * scif_sas_smp_request_build(
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SCIF_SAS_CONTROLLER_T * fw_controller,
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SCIF_SAS_REMOTE_DEVICE_T * fw_device,
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SMP_REQUEST_T * smp_request,
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void * external_request_object,
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void * external_memory
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)
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{
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if (external_memory != NULL && external_request_object != NULL)
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{
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scif_sas_io_request_construct_smp(
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fw_controller,
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fw_device,
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external_memory,
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(char *)external_memory + sizeof(SCIF_SAS_IO_REQUEST_T),
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SCI_CONTROLLER_INVALID_IO_TAG,
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smp_request,
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external_request_object
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);
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return external_memory;
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}
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else
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{
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void * internal_io_memory;
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internal_io_memory = scif_sas_controller_allocate_internal_request(fw_controller);
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ASSERT(internal_io_memory != NULL);
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if (internal_io_memory != NULL)
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{
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//construct, only when we got valid io memory.
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scif_sas_internal_io_request_construct_smp(
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fw_controller,
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fw_device,
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internal_io_memory,
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SCI_CONTROLLER_INVALID_IO_TAG,
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smp_request
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);
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}
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else
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{
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SCIF_LOG_ERROR((
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sci_base_object_get_logger(fw_controller),
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SCIF_LOG_OBJECT_IO_REQUEST,
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"scif_sas_smp_request_build, no memory available!\n"
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));
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}
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return internal_io_memory;
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}
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}
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/**
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* @brief construct a smp Report Genernal command to the fw_device.
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*
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* @param[in] fw_controller The framework controller object.
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* @param[in] fw_device the framework device that the REPORT GENERAL command
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* targets to.
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*
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* @return void * address to the built scif sas smp request.
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*/
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void * scif_sas_smp_request_construct_report_general(
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SCIF_SAS_CONTROLLER_T * fw_controller,
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SCIF_SAS_REMOTE_DEVICE_T * fw_device
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)
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{
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SMP_REQUEST_T smp_report_general;
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// Build the REPORT GENERAL request.
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scif_sas_smp_protocol_request_construct(
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&smp_report_general,
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SMP_FUNCTION_REPORT_GENERAL,
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sizeof(SMP_RESPONSE_REPORT_GENERAL_T) / sizeof(U32),
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0
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);
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smp_report_general.request.report_general.crc = 0;
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SCIF_LOG_INFO((
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sci_base_object_get_logger(fw_device),
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SCIF_LOG_OBJECT_IO_REQUEST | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY,
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"SMP REPORT GENERAL - Device:0x%x\n",
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fw_device
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));
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return scif_sas_smp_request_build(
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fw_controller, fw_device, &smp_report_general, NULL, NULL);
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}
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/**
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* @brief construct a SMP Report Manufacturer Info request to the fw_device.
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*
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* @param[in] fw_controller The framework controller object.
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* @param[in] fw_device the framework device that the REPORT MANUFACTURER
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* INFO targets to.
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*
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* @return void * address to the built scif sas smp request.
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*/
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void * scif_sas_smp_request_construct_report_manufacturer_info(
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SCIF_SAS_CONTROLLER_T * fw_controller,
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SCIF_SAS_REMOTE_DEVICE_T * fw_device
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)
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{
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SMP_REQUEST_T smp_report_manufacturer_info;
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scif_sas_smp_protocol_request_construct(
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&smp_report_manufacturer_info,
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SMP_FUNCTION_REPORT_MANUFACTURER_INFORMATION,
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sizeof(SMP_RESPONSE_REPORT_MANUFACTURER_INFORMATION_T) / sizeof(U32),
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0
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);
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smp_report_manufacturer_info.request.report_general.crc = 0;
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SCIF_LOG_INFO((
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sci_base_object_get_logger(fw_device),
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SCIF_LOG_OBJECT_IO_REQUEST | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY,
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"SMP REPORT MANUFACTURER_INFO - Device:0x%x\n",
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fw_device
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));
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return scif_sas_smp_request_build(
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fw_controller, fw_device, &smp_report_manufacturer_info, NULL, NULL
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);
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}
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/**
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* @brief construct a smp Discover command to the fw_device.
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* @param[in] fw_controller The framework controller object.
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* @param[in] fw_device the framework smp device that DISCOVER command targets
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* to.
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* @param[in] phy_identifier The phy index the DISCOVER command targets to.
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*
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* @return void * address to the built scif sas smp request.
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*/
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void * scif_sas_smp_request_construct_discover(
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SCIF_SAS_CONTROLLER_T * fw_controller,
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SCIF_SAS_REMOTE_DEVICE_T * fw_device,
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U8 phy_identifier,
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void * external_request_object,
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void * external_memory
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)
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{
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SMP_REQUEST_T smp_discover;
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scif_sas_smp_protocol_request_construct(
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&smp_discover,
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SMP_FUNCTION_DISCOVER,
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sizeof(SMP_RESPONSE_DISCOVER_T) / sizeof(U32),
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sizeof(SMP_REQUEST_PHY_IDENTIFIER_T) / sizeof(U32)
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);
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smp_discover.request.discover.phy_identifier = phy_identifier;
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SCIF_LOG_INFO((
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sci_base_object_get_logger(fw_device),
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SCIF_LOG_OBJECT_IO_REQUEST | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY,
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"SMP DISCOVER - Device:0x%x PhyId:0x%x\n",
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fw_device, phy_identifier
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));
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return scif_sas_smp_request_build(
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fw_controller, fw_device, &smp_discover,
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external_request_object, external_memory
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);
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}
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/**
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* @brief construct a smp REPORT PHY SATA command to the fw_device.
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* @param[in] fw_controller The framework controller object.
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* @param[in] fw_device the framework smp device that DISCOVER command targets
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* to.
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* @param[in] phy_identifier The phy index the DISCOVER command targets to.
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*
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* @return void * address to the built scif sas smp request.
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*/
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void * scif_sas_smp_request_construct_report_phy_sata(
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SCIF_SAS_CONTROLLER_T * fw_controller,
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SCIF_SAS_REMOTE_DEVICE_T * fw_device,
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U8 phy_identifier
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)
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{
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SMP_REQUEST_T report_phy_sata;
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scif_sas_smp_protocol_request_construct(
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&report_phy_sata,
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SMP_FUNCTION_REPORT_PHY_SATA,
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sizeof(SMP_RESPONSE_REPORT_PHY_SATA_T) / sizeof(U32),
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sizeof(SMP_REQUEST_PHY_IDENTIFIER_T) / sizeof(U32)
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);
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report_phy_sata.request.report_phy_sata.phy_identifier = phy_identifier;
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SCIF_LOG_INFO((
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sci_base_object_get_logger(fw_device),
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SCIF_LOG_OBJECT_IO_REQUEST | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY,
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"SMP REPORT PHY SATA - Device:0x%x PhyId:0x%x\n",
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fw_device, phy_identifier
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));
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return scif_sas_smp_request_build(
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fw_controller, fw_device, &report_phy_sata, NULL, NULL);
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}
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/**
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* @brief construct a smp REPORT PHY SATA command to the fw_device.
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* @param[in] fw_controller The framework controller object.
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* @param[in] fw_device the framework smp device that PHY CONTROL command
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* targets to.
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* @param[in] phy_identifier The phy index the DISCOVER command targets to.
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*
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* @return void * address to the built scif sas smp request.
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*/
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void * scif_sas_smp_request_construct_phy_control(
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SCIF_SAS_CONTROLLER_T * fw_controller,
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SCIF_SAS_REMOTE_DEVICE_T * fw_device,
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U8 phy_operation,
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U8 phy_identifier,
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void * external_request_object,
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void * external_memory
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)
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{
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SMP_REQUEST_T phy_control;
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scif_sas_smp_protocol_request_construct(
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&phy_control,
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SMP_FUNCTION_PHY_CONTROL,
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0,
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sizeof(SMP_REQUEST_PHY_CONTROL_T) / sizeof(U32)
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);
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phy_control.request.phy_control.phy_operation = phy_operation;
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phy_control.request.phy_control.phy_identifier = phy_identifier;
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return scif_sas_smp_request_build(
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fw_controller, fw_device, &phy_control,
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external_request_object, external_memory
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);
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}
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/**
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* @brief construct a smp CONFIG ROUTE INFO command to the fw_device.
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*
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* @param[in] fw_controller The framework controller object.
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* @param[in] fw_device the framework smp device that PHY CONTROL command
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* targets to.
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* @param[in] phy_id The phy, whose route entry at route_index is to be configured.
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* @param[in] route_index The index of a phy's route entry that is to be configured.
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* @param[in] destination_sas_address A sas address for an route table entry
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*
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* @return void * address to the built scif sas smp request.
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*/
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void * scif_sas_smp_request_construct_config_route_info(
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struct SCIF_SAS_CONTROLLER * fw_controller,
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struct SCIF_SAS_REMOTE_DEVICE * fw_device,
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U8 phy_id,
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U16 route_index,
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SCI_SAS_ADDRESS_T destination_sas_address,
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BOOL disable_expander_route_entry
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)
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{
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SMP_REQUEST_T config_route_info;
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scif_sas_smp_protocol_request_construct(
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&config_route_info,
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SMP_FUNCTION_CONFIGURE_ROUTE_INFORMATION,
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0,
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sizeof(SMP_REQUEST_CONFIGURE_ROUTE_INFORMATION_T) / sizeof(U32)
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);
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config_route_info.request.configure_route_information.phy_identifier = phy_id;
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config_route_info.request.configure_route_information.expander_route_index_high =
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((route_index & 0xff00) >> 8);
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config_route_info.request.configure_route_information.expander_route_index =
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route_index & 0xff;
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config_route_info.request.configure_route_information.routed_sas_address[0] =
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destination_sas_address.high;
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config_route_info.request.configure_route_information.routed_sas_address[1] =
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destination_sas_address.low;
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if (disable_expander_route_entry == TRUE)
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config_route_info.request.configure_route_information.disable_route_entry = 1;
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return scif_sas_smp_request_build(
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fw_controller, fw_device, &config_route_info,
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NULL, NULL
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);
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}
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/**
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* @brief This method retry the internal smp request.
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*
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* @param[in] fw_device This parameter specifies the remote device for
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* which the internal IO request is destined.
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* @param[in] retry_count This parameter specifies how many times the
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* old smp request has been retried.
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*
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* @return none.
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*/
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SCI_STATUS scif_sas_smp_internal_request_retry(
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SCIF_SAS_REMOTE_DEVICE_T * fw_device
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)
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{
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SCIF_SAS_CONTROLLER_T * fw_controller;
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SCIF_SAS_IO_REQUEST_T * new_io;
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void * new_request_memory = NULL;
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U8 retry_count = fw_device->protocol_device.smp_device.io_retry_count;
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SCIF_LOG_TRACE((
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sci_base_object_get_logger(fw_device),
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SCIF_LOG_OBJECT_IO_REQUEST | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY,
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"scif_sas_smp_internal_request_retry(0x%x, 0x%x) time %d!\n",
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fw_device, retry_count
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));
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fw_controller = fw_device->domain->controller;
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switch (fw_device->protocol_device.smp_device.current_smp_request)
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{
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case SMP_FUNCTION_REPORT_GENERAL:
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new_request_memory = scif_sas_smp_request_construct_report_general(
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fw_controller, fw_device
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);
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|
break;
|
|
|
|
case SMP_FUNCTION_DISCOVER:
|
|
//We are retrying an internal io. So we are going to allocate
|
|
//a new memory from internal io memory pool.
|
|
new_request_memory = scif_sas_smp_request_construct_discover(
|
|
fw_controller, fw_device,
|
|
fw_device->protocol_device.smp_device.current_activity_phy_index,
|
|
NULL, NULL
|
|
);
|
|
|
|
break;
|
|
|
|
case SMP_FUNCTION_REPORT_PHY_SATA:
|
|
new_request_memory = scif_sas_smp_request_construct_report_phy_sata(
|
|
fw_controller, fw_device,
|
|
fw_device->protocol_device.smp_device.current_activity_phy_index
|
|
);
|
|
break;
|
|
|
|
default:
|
|
//unsupported case, TBD
|
|
break;
|
|
} //end of switch
|
|
|
|
if (new_request_memory != NULL)
|
|
{
|
|
//set the retry count to new built smp request.
|
|
new_io = (SCIF_SAS_IO_REQUEST_T *) new_request_memory;
|
|
new_io->retry_count = ++retry_count;
|
|
|
|
//need to schedule the DPC here.
|
|
scif_cb_start_internal_io_task_schedule(
|
|
fw_controller,
|
|
scif_sas_controller_start_high_priority_io,
|
|
fw_controller
|
|
);
|
|
|
|
return SCI_SUCCESS;
|
|
}
|
|
else
|
|
return SCI_FAILURE_INSUFFICIENT_RESOURCES;
|
|
|
|
}
|
|
|
|
/**
|
|
* @brief This method retry the external smp request.
|
|
*
|
|
* @param[in] fw_device This parameter specifies the remote device for
|
|
* which the internal IO request is destined.
|
|
* @param[in] old_internal_io This parameter specifies the old smp request to be
|
|
* retried.
|
|
*
|
|
* @return none.
|
|
*/
|
|
SCI_STATUS scif_sas_smp_external_request_retry(
|
|
SCIF_SAS_IO_REQUEST_T * old_io
|
|
)
|
|
{
|
|
SCIF_SAS_REMOTE_DEVICE_T * fw_device = old_io->parent.device;
|
|
SCIF_SAS_CONTROLLER_T * fw_controller;
|
|
SCIF_SAS_IO_REQUEST_T * new_io;
|
|
void * new_request_memory = NULL;
|
|
U8 retry_count = old_io->retry_count;
|
|
|
|
SCIF_LOG_TRACE((
|
|
sci_base_object_get_logger(fw_device),
|
|
SCIF_LOG_OBJECT_IO_REQUEST | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY,
|
|
"scif_sas_smp_external_request_retry(0x%x) time %d!\n",
|
|
old_io
|
|
));
|
|
|
|
fw_controller = fw_device->domain->controller;
|
|
|
|
// Before we construct new io using the same memory, we need to
|
|
// remove the IO from the list of outstanding requests on the domain
|
|
// so that we don't damage the domain's fast list of request.
|
|
sci_fast_list_remove_element(&old_io->parent.list_element);
|
|
|
|
switch (fw_device->protocol_device.smp_device.current_smp_request)
|
|
{
|
|
case SMP_FUNCTION_DISCOVER:
|
|
//we are retrying an external io, we are going to reuse the
|
|
//old io's memory. new_request_memory is same as old_io.
|
|
new_request_memory = scif_sas_smp_request_construct_discover(
|
|
fw_controller, fw_device,
|
|
fw_device->protocol_device.smp_device.current_activity_phy_index,
|
|
(void *)sci_object_get_association(old_io),
|
|
(void *)old_io
|
|
);
|
|
|
|
break;
|
|
|
|
case SMP_FUNCTION_PHY_CONTROL:
|
|
//Phy Control command always uses external io memory.
|
|
new_request_memory = scif_sas_smp_request_construct_phy_control(
|
|
fw_controller, fw_device, PHY_OPERATION_HARD_RESET,
|
|
fw_device->protocol_device.smp_device.current_activity_phy_index,
|
|
(void *)sci_object_get_association(old_io),
|
|
(void *)old_io
|
|
);
|
|
|
|
break;
|
|
|
|
default:
|
|
//unsupported case, TBD
|
|
return SCI_FAILURE;
|
|
} //end of switch
|
|
|
|
//set the retry count to new built smp request.
|
|
new_io = (SCIF_SAS_IO_REQUEST_T *) new_request_memory;
|
|
new_io->retry_count = ++retry_count;
|
|
|
|
//put into the high priority queue.
|
|
sci_pool_put(fw_controller->hprq.pool, (POINTER_UINT) new_request_memory);
|
|
|
|
//schedule the DPC to start new io.
|
|
scif_cb_start_internal_io_task_schedule(
|
|
fw_controller, scif_sas_controller_start_high_priority_io, fw_controller
|
|
);
|
|
|
|
return SCI_SUCCESS;
|
|
}
|
|
|