0cf3f85364
(Patsburg) integrated SAS controller. sys/dev/isci contains all files specific to FreeBSD. sys/dev/isci/scil contains OS-agnostic library maintained by Intel and modified to best integrate into FreeBSD kernel build environment. Sponsored by: Intel Reviewed by: scottl
482 lines
16 KiB
C
482 lines
16 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 task management request object
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* (SCIF_SAS_TASK_REQUEST) method implementations.
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*/
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#include <dev/isci/scil/intel_sas.h>
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#include <dev/isci/scil/scic_task_request.h>
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#include <dev/isci/scil/scic_remote_device.h>
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#include <dev/isci/scil/scic_user_callback.h>
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#include <dev/isci/scil/scic_controller.h>
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#include <dev/isci/scil/scif_user_callback.h>
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#include <dev/isci/scil/scif_sas_request.h>
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#include <dev/isci/scil/scif_sas_task_request.h>
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#include <dev/isci/scil/scif_sas_stp_task_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/scif_sas_domain.h>
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#include <dev/isci/scil/scif_sas_remote_device.h>
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#include <dev/isci/scil/scif_sas_smp_io_request.h>
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//******************************************************************************
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//* P U B L I C M E T H O D S
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//******************************************************************************
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U32 scif_task_request_get_object_size(
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void
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)
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{
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return (sizeof(SCIF_SAS_TASK_REQUEST_T) + scic_task_request_get_object_size());
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}
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// ---------------------------------------------------------------------------
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U8 scif_sas_task_request_get_function(
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SCIF_SAS_TASK_REQUEST_T *fw_task
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)
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{
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return fw_task->function;
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}
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// ---------------------------------------------------------------------------
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static
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SCI_STATUS scif_sas_task_request_generic_construct(
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SCI_CONTROLLER_HANDLE_T scif_controller,
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SCI_REMOTE_DEVICE_HANDLE_T scif_remote_device,
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U16 io_tag,
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void * user_task_request_object,
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void * task_request_memory,
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SCI_TASK_REQUEST_HANDLE_T * scif_task_request,
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U8 task_function
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)
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{
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SCI_STATUS status;
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SCIF_SAS_CONTROLLER_T * fw_controller = (SCIF_SAS_CONTROLLER_T*)
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scif_controller;
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SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*)
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task_request_memory;
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SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T*)
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scif_remote_device;
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U8 * core_request_memory;
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SCIF_LOG_TRACE((
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sci_base_object_get_logger(fw_controller),
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SCIF_LOG_OBJECT_TASK_MANAGEMENT,
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"scif_task_request_construct(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x) enter\n",
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scif_controller, scif_remote_device, io_tag, user_task_request_object,
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task_request_memory, scif_task_request
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));
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// Initialize the user's handle to the framework task request.
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*scif_task_request = fw_task;
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// initialize affected request count
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fw_task->affected_request_count = 0;
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fw_task->io_tag_to_manage = SCI_CONTROLLER_INVALID_IO_TAG;
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fw_task->function = task_function;
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if (task_function == SCI_SAS_HARD_RESET )
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{
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if (fw_device->containing_device != NULL )
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{// Target Reset is for an expander attached device,
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// go down to construct smp Phy Control request.
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scif_sas_smp_request_construct_phy_control(
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fw_controller,
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fw_device->containing_device,
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PHY_OPERATION_HARD_RESET,
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fw_device->expander_phy_identifier,
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user_task_request_object,
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task_request_memory
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);
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}
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else
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{
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scif_sas_request_construct(
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&fw_task->parent,
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fw_device,
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sci_base_object_get_logger(fw_controller),
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scif_sas_task_request_state_table
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);
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// If target reset is for a DA device, don't build task at all.
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// Just set object association.
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sci_object_set_association(fw_task, user_task_request_object);
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}
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return SCI_SUCCESS;
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}
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// Construct the parent object first in order to ensure logging can
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// function.
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scif_sas_request_construct(
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&fw_task->parent,
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fw_device,
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sci_base_object_get_logger(fw_controller),
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scif_sas_task_request_state_table
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);
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core_request_memory = (U8 *)task_request_memory + sizeof(SCIF_SAS_TASK_REQUEST_T);
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status = scic_task_request_construct(
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fw_controller->core_object,
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fw_device->core_object,
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io_tag,
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fw_task,
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core_request_memory,
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&fw_task->parent.core_object
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);
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if (status == SCI_SUCCESS)
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{
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SMP_DISCOVER_RESPONSE_PROTOCOLS_T dev_protocols;
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// These associations must be set early for the core io request
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// object construction to complete correctly as there will be
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// callbacks into the user driver framework during core construction
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sci_object_set_association(fw_task, user_task_request_object);
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sci_object_set_association(fw_task->parent.core_object, fw_task);
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// Perform protocol specific core IO request construction.
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scic_remote_device_get_protocols(fw_device->core_object, &dev_protocols);
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if (dev_protocols.u.bits.attached_ssp_target)
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status = scic_task_request_construct_ssp(fw_task->parent.core_object);
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else if (dev_protocols.u.bits.attached_stp_target)
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status = scif_sas_stp_task_request_construct(fw_task);
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else
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status = SCI_FAILURE_UNSUPPORTED_PROTOCOL;
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if (status == SCI_SUCCESS)
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{
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sci_base_state_machine_logger_initialize(
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&fw_task->parent.parent.state_machine_logger,
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&fw_task->parent.parent.state_machine,
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&fw_task->parent.parent.parent,
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scif_cb_logger_log_states,
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"SCIF_SAS_TASK_REQUEST_T", "base_state_machine",
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SCIF_LOG_OBJECT_TASK_MANAGEMENT
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);
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}
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else
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{
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SCIF_LOG_WARNING((
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sci_base_object_get_logger(fw_task),
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SCIF_LOG_OBJECT_TASK_MANAGEMENT,
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"Device:0x%x TaskRequest:0x%x Function:0x%x construct failed\n",
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fw_device, fw_task, scif_sas_task_request_get_function(fw_task)
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));
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}
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}
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return status;
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}
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// ---------------------------------------------------------------------------
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SCI_STATUS scif_sas_internal_task_request_construct(
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SCI_CONTROLLER_HANDLE_T scif_controller,
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SCI_REMOTE_DEVICE_HANDLE_T scif_remote_device,
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U16 io_tag,
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void * task_request_memory,
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SCI_TASK_REQUEST_HANDLE_T * scif_task_request,
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U8 task_function
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)
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{
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SCI_STATUS status;
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SCIF_SAS_TASK_REQUEST_T * fw_task;
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status = scif_sas_task_request_generic_construct(
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scif_controller,
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scif_remote_device,
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io_tag,
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NULL,
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task_request_memory,
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scif_task_request,
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task_function
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);
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fw_task = (SCIF_SAS_TASK_REQUEST_T *)task_request_memory;
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fw_task->parent.is_internal = TRUE;
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return status;
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}
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// ---------------------------------------------------------------------------
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SCI_STATUS scif_task_request_construct(
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SCI_CONTROLLER_HANDLE_T scif_controller,
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SCI_REMOTE_DEVICE_HANDLE_T scif_remote_device,
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U16 io_tag,
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void * user_task_request_object,
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void * task_request_memory,
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SCI_TASK_REQUEST_HANDLE_T * scif_task_request
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)
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{
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SCI_STATUS status;
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U8 task_function =
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scif_cb_task_request_get_function(user_task_request_object);
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status = scif_sas_task_request_generic_construct(
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scif_controller,
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scif_remote_device,
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io_tag,
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user_task_request_object,
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task_request_memory,
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scif_task_request,
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task_function
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);
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return status;
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}
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// ---------------------------------------------------------------------------
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void scif_sas_internal_task_request_destruct(
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SCIF_SAS_TASK_REQUEST_T * fw_internal_task
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)
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{
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SCIF_SAS_CONTROLLER_T * fw_controller =
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fw_internal_task->parent.device->domain->controller;
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scif_sas_controller_free_internal_request(fw_controller, fw_internal_task);
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}
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// ---------------------------------------------------------------------------
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void scic_cb_task_request_complete(
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SCI_CONTROLLER_HANDLE_T controller,
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SCI_REMOTE_DEVICE_HANDLE_T remote_device,
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SCI_TASK_REQUEST_HANDLE_T task_request,
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SCI_TASK_STATUS completion_status
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)
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{
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SCIF_SAS_CONTROLLER_T * fw_controller = (SCIF_SAS_CONTROLLER_T*)
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sci_object_get_association(controller);
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SCIF_SAS_REMOTE_DEVICE_T * fw_device = (SCIF_SAS_REMOTE_DEVICE_T*)
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sci_object_get_association(remote_device);
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SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*)
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sci_object_get_association(task_request);
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SCI_STATUS status;
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SCIF_LOG_TRACE((
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sci_base_object_get_logger(fw_controller),
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SCIF_LOG_OBJECT_TASK_MANAGEMENT,
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"scic_cb_task_request_complete(0x%x, 0x%x, 0x%x, 0x%x) enter\n",
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controller, remote_device, task_request, completion_status
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));
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status = fw_task->parent.state_handlers->complete_handler(
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&fw_task->parent.parent
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);
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if (status == SCI_SUCCESS)
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{
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if (fw_task->parent.protocol_complete_handler != NULL)
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{
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status = fw_task->parent.protocol_complete_handler(
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fw_controller, fw_device, &fw_task->parent, (SCI_STATUS *)&completion_status
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);
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}
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if (status == SCI_SUCCESS)
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{
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SCIF_LOG_WARNING((
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sci_base_object_get_logger(fw_task),
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SCIF_LOG_OBJECT_TASK_MANAGEMENT,
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"RemoteDevice:0x%x TaskRequest:0x%x Function:0x%x CompletionStatus:0x%x "
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"completed\n",
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fw_device, fw_task,
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scif_sas_task_request_get_function(fw_task),
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completion_status
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));
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// If this isn't an internal framework IO request, then simply pass the
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// notification up to the SCIF user. Otherwise, immediately complete the
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// task since there is no SCIF user to notify.
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if (fw_task->parent.is_internal == FALSE)
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{
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scif_cb_task_request_complete(
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fw_controller, fw_device, fw_task, completion_status
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);
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}
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else
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{
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scif_controller_complete_task(
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fw_controller,
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fw_device,
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fw_task
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);
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}
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}
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}
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}
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// ---------------------------------------------------------------------------
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U32 scic_cb_ssp_task_request_get_lun(
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void * scic_user_task_request
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)
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{
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SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*)
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scic_user_task_request;
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fw_task->parent.lun = scif_cb_task_request_get_lun(
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fw_task->parent.parent.parent.associated_object
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);
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return fw_task->parent.lun;
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}
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// ---------------------------------------------------------------------------
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U8 scic_cb_ssp_task_request_get_function(
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void * scic_user_task_request
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)
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{
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SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*)
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scic_user_task_request;
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return scif_sas_task_request_get_function(fw_task);
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}
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// ---------------------------------------------------------------------------
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U16 scic_cb_ssp_task_request_get_io_tag_to_manage(
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void * scic_user_task_request
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)
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{
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SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*)
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scic_user_task_request;
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fw_task->io_tag_to_manage
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= scif_cb_task_request_get_io_tag_to_manage(
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fw_task->parent.parent.parent.associated_object
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);
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return fw_task->io_tag_to_manage;
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}
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// ---------------------------------------------------------------------------
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void * scic_cb_ssp_task_request_get_response_data_address(
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void * scic_user_task_request
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)
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{
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SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*)
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scic_user_task_request;
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return scif_cb_task_request_get_response_data_address(
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fw_task->parent.parent.parent.associated_object
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);
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}
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// ---------------------------------------------------------------------------
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U32 scic_cb_ssp_task_request_get_response_data_length(
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void * scic_user_task_request
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)
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{
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SCIF_SAS_TASK_REQUEST_T * fw_task = (SCIF_SAS_TASK_REQUEST_T*)
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scic_user_task_request;
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return scif_cb_task_request_get_response_data_length(
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fw_task->parent.parent.parent.associated_object
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);
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}
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//******************************************************************************
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//* P R O T E C T E D M E T H O D S
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//******************************************************************************
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/**
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* @brief This method performs functionality required after a task management
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* operation (either a task management request or a silicon task
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* termination) has finished.
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*
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* @param[in] fw_task This parameter specifies the request that has
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* the operation completing.
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*
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* @return none
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*/
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void scif_sas_task_request_operation_complete(
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SCIF_SAS_TASK_REQUEST_T * fw_task
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)
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{
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SCIF_LOG_TRACE((
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sci_base_object_get_logger(fw_task),
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SCIF_LOG_OBJECT_TASK_MANAGEMENT,
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"scif_sas_task_request_operation_complete(0x%x) enter\n",
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fw_task
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));
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fw_task->affected_request_count--;
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SCIF_LOG_INFO((
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sci_base_object_get_logger(fw_task),
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SCIF_LOG_OBJECT_TASK_MANAGEMENT,
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"TaskRequest:0x%x current affected request count:0x%x\n",
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fw_task, fw_task->affected_request_count
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));
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}
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