9a0fff7bf0
Changed any occurrence of struct sci_base_object into void. Signed-off-by: Maciej Patelczyk <maciej.patelczyk@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
724 lines
27 KiB
C
724 lines
27 KiB
C
/*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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*
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* BSD LICENSE
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "intel_ata.h"
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#include "intel_sata.h"
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#include "intel_sat.h"
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#include "sci_base_state.h"
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#include "scic_sds_controller.h"
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#include "scic_sds_port.h"
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#include "remote_device.h"
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#include "scic_sds_request.h"
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#include "sci_environment.h"
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#include "sci_util.h"
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#include "scu_event_codes.h"
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/**
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* This method will perform the STP request completion processing common to IO
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* requests and task requests of all types
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* @device: This parameter specifies the device for which the request is being
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* completed.
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* @request: This parameter specifies the request being completed.
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*
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* This method returns an indication as to whether the request processing
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* completed successfully.
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*/
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static enum sci_status scic_sds_stp_remote_device_complete_request(
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struct scic_sds_remote_device *device,
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struct scic_sds_request *request)
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{
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enum sci_status status;
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status = scic_sds_io_request_complete(request);
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if (status == SCI_SUCCESS) {
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status = scic_sds_port_complete_io(
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device->owning_port, device, request);
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if (status == SCI_SUCCESS) {
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scic_sds_remote_device_decrement_request_count(device);
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if (request->sci_status == SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED) {
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/*
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* This request causes hardware error, device needs to be Lun Reset.
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* So here we force the state machine to IDLE state so the rest IOs
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* can reach RNC state handler, these IOs will be completed by RNC with
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* status of "DEVICE_RESET_REQUIRED", instead of "INVALID STATE". */
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sci_base_state_machine_change_state(
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&device->ready_substate_machine,
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SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_AWAIT_RESET
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);
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} else if (scic_sds_remote_device_get_request_count(device) == 0) {
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sci_base_state_machine_change_state(
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&device->ready_substate_machine,
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SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE
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);
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}
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}
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}
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if (status != SCI_SUCCESS)
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dev_err(scirdev_to_dev(device),
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"%s: Port:0x%p Device:0x%p Request:0x%p Status:0x%x "
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"could not complete\n",
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__func__,
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device->owning_port,
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device,
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request,
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status);
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return status;
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}
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/*
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* *****************************************************************************
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* * STP REMOTE DEVICE READY COMMON SUBSTATE HANDLERS
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* ***************************************************************************** */
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/**
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* This is the READY NCQ substate handler to start task management request. In
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* this routine, we suspend and resume the RNC.
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* @device: The target device a task management request towards to.
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* @request: The task request.
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*
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* enum sci_status Always return SCI_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS status to
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* let controller_start_task_handler know that the controller can't post TC for
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* task request yet, instead, when RNC gets resumed, a controller_continue_task
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* callback will be called.
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*/
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static enum sci_status scic_sds_stp_remote_device_ready_substate_start_request_handler(
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struct scic_sds_remote_device *device,
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struct scic_sds_request *request)
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{
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enum sci_status status;
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/* Will the port allow the io request to start? */
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status = device->owning_port->state_handlers->start_io_handler(
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device->owning_port, device, request);
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if (status != SCI_SUCCESS)
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return status;
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status = scic_sds_remote_node_context_start_task(&device->rnc, request);
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if (status != SCI_SUCCESS)
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goto out;
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status = request->state_handlers->start_handler(request);
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if (status != SCI_SUCCESS)
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goto out;
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/*
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* Note: If the remote device state is not IDLE this will replace
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* the request that probably resulted in the task management request.
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*/
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device->working_request = request;
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sci_base_state_machine_change_state(&device->ready_substate_machine,
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SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD);
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/*
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* The remote node context must cleanup the TCi to NCQ mapping table.
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* The only way to do this correctly is to either write to the TLCR
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* register or to invalidate and repost the RNC. In either case the
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* remote node context state machine will take the correct action when
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* the remote node context is suspended and later resumed.
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*/
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scic_sds_remote_node_context_suspend(&device->rnc,
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SCI_SOFTWARE_SUSPENSION, NULL, NULL);
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scic_sds_remote_node_context_resume(&device->rnc,
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scic_sds_remote_device_continue_request,
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device);
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out:
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scic_sds_remote_device_start_request(device, request, status);
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/*
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* We need to let the controller start request handler know that it can't
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* post TC yet. We will provide a callback function to post TC when RNC gets
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* resumed.
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*/
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return SCI_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS;
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}
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/*
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* *****************************************************************************
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* * STP REMOTE DEVICE READY IDLE SUBSTATE HANDLERS
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* ***************************************************************************** */
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/**
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* This method will handle the start io operation for a sata device that is in
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* the command idle state. - Evalute the type of IO request to be started -
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* If its an NCQ request change to NCQ substate - If its any other command
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* change to the CMD substate
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* @device:
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* @request:
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*
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* If this is a softreset we may want to have a different substate.
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* enum sci_status
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*/
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static enum sci_status scic_sds_stp_remote_device_ready_idle_substate_start_io_handler(
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struct scic_sds_remote_device *sci_dev,
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struct scic_sds_request *request)
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{
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enum sci_status status;
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struct isci_request *isci_request =
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(struct isci_request *)sci_object_get_association(request);
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/* Will the port allow the io request to start? */
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status = sci_dev->owning_port->state_handlers->start_io_handler(
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sci_dev->owning_port, sci_dev, request);
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if (status != SCI_SUCCESS)
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return status;
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status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, request);
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if (status != SCI_SUCCESS)
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goto out;
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status = request->state_handlers->start_handler(request);
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if (status != SCI_SUCCESS)
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goto out;
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if (isci_sata_get_sat_protocol(isci_request) == SAT_PROTOCOL_FPDMA) {
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sci_base_state_machine_change_state(&sci_dev->ready_substate_machine,
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SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ);
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} else {
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sci_dev->working_request = request;
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sci_base_state_machine_change_state(&sci_dev->ready_substate_machine,
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SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD);
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}
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out:
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scic_sds_remote_device_start_request(sci_dev, request, status);
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return status;
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}
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/**
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*
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* @[in]: device The device received event.
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* @[in]: event_code The event code.
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*
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* This method will handle the event for a sata device that is in the idle
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* state. We pick up suspension events to handle specifically to this state. We
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* resume the RNC right away. enum sci_status
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*/
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static enum sci_status scic_sds_stp_remote_device_ready_idle_substate_event_handler(
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struct scic_sds_remote_device *sci_dev,
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u32 event_code)
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{
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enum sci_status status;
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status = scic_sds_remote_device_general_event_handler(sci_dev, event_code);
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if (status == SCI_SUCCESS) {
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if (scu_get_event_type(event_code) == SCU_EVENT_TYPE_RNC_SUSPEND_TX
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|| scu_get_event_type(event_code) == SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX) {
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status = scic_sds_remote_node_context_resume(
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&sci_dev->rnc, NULL, NULL);
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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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* *****************************************************************************
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* * STP REMOTE DEVICE READY NCQ SUBSTATE HANDLERS
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* ***************************************************************************** */
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static enum sci_status scic_sds_stp_remote_device_ready_ncq_substate_start_io_handler(
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struct scic_sds_remote_device *sci_dev,
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struct scic_sds_request *request)
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{
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enum sci_status status;
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struct isci_request *isci_request =
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(struct isci_request *)sci_object_get_association(request);
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if (isci_sata_get_sat_protocol(isci_request) == SAT_PROTOCOL_FPDMA) {
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status = sci_dev->owning_port->state_handlers->start_io_handler(
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sci_dev->owning_port,
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sci_dev,
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request);
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if (status != SCI_SUCCESS)
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return status;
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status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, request);
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if (status != SCI_SUCCESS)
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return status;
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status = request->state_handlers->start_handler(request);
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scic_sds_remote_device_start_request(sci_dev, request, status);
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} else
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status = SCI_FAILURE_INVALID_STATE;
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return status;
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}
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/**
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* This method will handle events received while the STP device is in the ready
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* command substate.
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* @sci_dev: This is the device object that is receiving the event.
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* @event_code: The event code to process.
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*
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* enum sci_status
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*/
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static enum sci_status scic_sds_stp_remote_device_ready_ncq_substate_frame_handler(
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struct scic_sds_remote_device *sci_dev,
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u32 frame_index)
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{
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enum sci_status status;
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struct sata_fis_header *frame_header;
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status = scic_sds_unsolicited_frame_control_get_header(
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&(scic_sds_remote_device_get_controller(sci_dev)->uf_control),
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frame_index,
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(void **)&frame_header
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);
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if (status == SCI_SUCCESS) {
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if (frame_header->fis_type == SATA_FIS_TYPE_SETDEVBITS &&
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(frame_header->status & ATA_STATUS_REG_ERROR_BIT)) {
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sci_dev->not_ready_reason =
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SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED;
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/*
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* / @todo Check sactive and complete associated IO
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* if any.
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*/
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sci_base_state_machine_change_state(
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&sci_dev->ready_substate_machine,
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SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR
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);
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} else if (frame_header->fis_type == SATA_FIS_TYPE_REGD2H &&
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(frame_header->status & ATA_STATUS_REG_ERROR_BIT)) {
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/*
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* Some devices return D2H FIS when an NCQ error is detected.
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* Treat this like an SDB error FIS ready reason.
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*/
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sci_dev->not_ready_reason =
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SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED;
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sci_base_state_machine_change_state(
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&sci_dev->ready_substate_machine,
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SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR
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);
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} else {
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status = SCI_FAILURE;
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}
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scic_sds_controller_release_frame(
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scic_sds_remote_device_get_controller(sci_dev), frame_index
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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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/*
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* *****************************************************************************
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* * STP REMOTE DEVICE READY CMD SUBSTATE HANDLERS
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* ***************************************************************************** */
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/**
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* This device is already handling a command it can not accept new commands
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* until this one is complete.
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* @device:
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* @request:
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*
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* enum sci_status
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*/
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static enum sci_status scic_sds_stp_remote_device_ready_cmd_substate_start_io_handler(
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struct scic_sds_remote_device *device,
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struct scic_sds_request *request)
|
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{
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return SCI_FAILURE_INVALID_STATE;
|
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}
|
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|
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static enum sci_status scic_sds_stp_remote_device_ready_cmd_substate_suspend_handler(
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struct scic_sds_remote_device *sci_dev,
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u32 suspend_type)
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|
{
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enum sci_status status;
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|
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status = scic_sds_remote_node_context_suspend(&sci_dev->rnc,
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suspend_type, NULL, NULL);
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|
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return status;
|
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}
|
|
|
|
static enum sci_status scic_sds_stp_remote_device_ready_cmd_substate_frame_handler(
|
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struct scic_sds_remote_device *sci_dev,
|
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u32 frame_index)
|
|
{
|
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enum sci_status status;
|
|
|
|
/*
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* / The device doe not process any UF received from the hardware while
|
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* / in this state. All unsolicited frames are forwarded to the io request
|
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* / object. */
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status = scic_sds_io_request_frame_handler(
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sci_dev->working_request,
|
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frame_index
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|
);
|
|
|
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return status;
|
|
}
|
|
|
|
|
|
/*
|
|
* *****************************************************************************
|
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* * STP REMOTE DEVICE READY NCQ SUBSTATE HANDLERS
|
|
* ***************************************************************************** */
|
|
|
|
/*
|
|
* *****************************************************************************
|
|
* * STP REMOTE DEVICE READY NCQ ERROR SUBSTATE HANDLERS
|
|
* ***************************************************************************** */
|
|
|
|
/*
|
|
* *****************************************************************************
|
|
* * STP REMOTE DEVICE READY AWAIT RESET SUBSTATE HANDLERS
|
|
* ***************************************************************************** */
|
|
static enum sci_status scic_sds_stp_remote_device_ready_await_reset_substate_start_io_handler(
|
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struct scic_sds_remote_device *device,
|
|
struct scic_sds_request *request)
|
|
{
|
|
return SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* This method will perform the STP request (both io or task) completion
|
|
* processing for await reset state.
|
|
* @device: This parameter specifies the device for which the request is being
|
|
* completed.
|
|
* @request: This parameter specifies the request being completed.
|
|
*
|
|
* This method returns an indication as to whether the request processing
|
|
* completed successfully.
|
|
*/
|
|
static enum sci_status scic_sds_stp_remote_device_ready_await_reset_substate_complete_request_handler(
|
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struct scic_sds_remote_device *device,
|
|
struct scic_sds_request *request)
|
|
{
|
|
struct scic_sds_request *sci_req = (struct scic_sds_request *)request;
|
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enum sci_status status;
|
|
|
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status = scic_sds_io_request_complete(sci_req);
|
|
|
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if (status == SCI_SUCCESS) {
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status = scic_sds_port_complete_io(
|
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device->owning_port, device, sci_req
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);
|
|
|
|
if (status == SCI_SUCCESS)
|
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scic_sds_remote_device_decrement_request_count(device);
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}
|
|
|
|
if (status != SCI_SUCCESS)
|
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dev_err(scirdev_to_dev(device),
|
|
"%s: Port:0x%p Device:0x%p Request:0x%p Status:0x%x "
|
|
"could not complete\n",
|
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__func__,
|
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device->owning_port,
|
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device,
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sci_req,
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status);
|
|
|
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return status;
|
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}
|
|
|
|
static const struct scic_sds_remote_device_state_handler scic_sds_stp_remote_device_ready_substate_handler_table[] = {
|
|
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE] = {
|
|
.start_handler = scic_sds_remote_device_default_start_handler,
|
|
.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
|
|
.fail_handler = scic_sds_remote_device_default_fail_handler,
|
|
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
|
|
.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
|
|
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
|
|
.start_io_handler = scic_sds_stp_remote_device_ready_idle_substate_start_io_handler,
|
|
.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
|
|
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
|
.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
|
|
.complete_task_handler = scic_sds_remote_device_default_complete_request_handler,
|
|
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
|
|
.resume_handler = scic_sds_remote_device_default_resume_handler,
|
|
.event_handler = scic_sds_stp_remote_device_ready_idle_substate_event_handler,
|
|
.frame_handler = scic_sds_remote_device_default_frame_handler
|
|
},
|
|
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD] = {
|
|
.start_handler = scic_sds_remote_device_default_start_handler,
|
|
.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
|
|
.fail_handler = scic_sds_remote_device_default_fail_handler,
|
|
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
|
|
.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
|
|
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
|
|
.start_io_handler = scic_sds_stp_remote_device_ready_cmd_substate_start_io_handler,
|
|
.complete_io_handler = scic_sds_stp_remote_device_complete_request,
|
|
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
|
.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
|
|
.complete_task_handler = scic_sds_stp_remote_device_complete_request,
|
|
.suspend_handler = scic_sds_stp_remote_device_ready_cmd_substate_suspend_handler,
|
|
.resume_handler = scic_sds_remote_device_default_resume_handler,
|
|
.event_handler = scic_sds_remote_device_general_event_handler,
|
|
.frame_handler = scic_sds_stp_remote_device_ready_cmd_substate_frame_handler
|
|
},
|
|
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ] = {
|
|
.start_handler = scic_sds_remote_device_default_start_handler,
|
|
.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
|
|
.fail_handler = scic_sds_remote_device_default_fail_handler,
|
|
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
|
|
.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
|
|
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
|
|
.start_io_handler = scic_sds_stp_remote_device_ready_ncq_substate_start_io_handler,
|
|
.complete_io_handler = scic_sds_stp_remote_device_complete_request,
|
|
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
|
.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
|
|
.complete_task_handler = scic_sds_stp_remote_device_complete_request,
|
|
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
|
|
.resume_handler = scic_sds_remote_device_default_resume_handler,
|
|
.event_handler = scic_sds_remote_device_general_event_handler,
|
|
.frame_handler = scic_sds_stp_remote_device_ready_ncq_substate_frame_handler
|
|
},
|
|
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR] = {
|
|
.start_handler = scic_sds_remote_device_default_start_handler,
|
|
.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
|
|
.fail_handler = scic_sds_remote_device_default_fail_handler,
|
|
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
|
|
.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
|
|
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
|
|
.start_io_handler = scic_sds_remote_device_default_start_request_handler,
|
|
.complete_io_handler = scic_sds_stp_remote_device_complete_request,
|
|
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
|
.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
|
|
.complete_task_handler = scic_sds_stp_remote_device_complete_request,
|
|
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
|
|
.resume_handler = scic_sds_remote_device_default_resume_handler,
|
|
.event_handler = scic_sds_remote_device_general_event_handler,
|
|
.frame_handler = scic_sds_remote_device_general_frame_handler
|
|
},
|
|
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_AWAIT_RESET] = {
|
|
.start_handler = scic_sds_remote_device_default_start_handler,
|
|
.stop_handler = scic_sds_remote_device_ready_state_stop_handler,
|
|
.fail_handler = scic_sds_remote_device_default_fail_handler,
|
|
.destruct_handler = scic_sds_remote_device_default_destruct_handler,
|
|
.reset_handler = scic_sds_remote_device_ready_state_reset_handler,
|
|
.reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
|
|
.start_io_handler = scic_sds_stp_remote_device_ready_await_reset_substate_start_io_handler,
|
|
.complete_io_handler = scic_sds_stp_remote_device_ready_await_reset_substate_complete_request_handler,
|
|
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
|
.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
|
|
.complete_task_handler = scic_sds_stp_remote_device_complete_request,
|
|
.suspend_handler = scic_sds_remote_device_default_suspend_handler,
|
|
.resume_handler = scic_sds_remote_device_default_resume_handler,
|
|
.event_handler = scic_sds_remote_device_general_event_handler,
|
|
.frame_handler = scic_sds_remote_device_general_frame_handler
|
|
}
|
|
};
|
|
|
|
/*
|
|
* *****************************************************************************
|
|
* * STP REMOTE DEVICE READY SUBSTATE PRIVATE METHODS
|
|
* ***************************************************************************** */
|
|
|
|
static void
|
|
scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler(void *user_cookie)
|
|
{
|
|
struct scic_sds_remote_device *sci_dev = user_cookie;
|
|
struct isci_remote_device *idev = sci_object_get_association(sci_dev);
|
|
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev);
|
|
struct isci_host *ihost = sci_object_get_association(scic);
|
|
|
|
/*
|
|
* For NCQ operation we do not issue a
|
|
* scic_cb_remote_device_not_ready(). As a result, avoid sending
|
|
* the ready notification.
|
|
*/
|
|
if (sci_dev->ready_substate_machine.previous_state_id !=
|
|
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ)
|
|
isci_remote_device_ready(ihost, idev);
|
|
}
|
|
|
|
/*
|
|
* *****************************************************************************
|
|
* * STP REMOTE DEVICE READY IDLE SUBSTATE
|
|
* ***************************************************************************** */
|
|
|
|
/**
|
|
*
|
|
* @device: This is the object which is cast into a
|
|
* struct scic_sds_remote_device object.
|
|
*
|
|
*/
|
|
static void scic_sds_stp_remote_device_ready_idle_substate_enter(void *device)
|
|
{
|
|
struct scic_sds_remote_device *sci_dev;
|
|
|
|
sci_dev = (struct scic_sds_remote_device *)device;
|
|
|
|
SET_STATE_HANDLER(
|
|
sci_dev,
|
|
scic_sds_stp_remote_device_ready_substate_handler_table,
|
|
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE
|
|
);
|
|
|
|
sci_dev->working_request = NULL;
|
|
|
|
if (scic_sds_remote_node_context_is_ready(&sci_dev->rnc)) {
|
|
/*
|
|
* Since the RNC is ready, it's alright to finish completion
|
|
* processing (e.g. signal the remote device is ready). */
|
|
scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler(
|
|
sci_dev
|
|
);
|
|
} else {
|
|
scic_sds_remote_node_context_resume(
|
|
&sci_dev->rnc,
|
|
scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler,
|
|
sci_dev);
|
|
}
|
|
}
|
|
|
|
static void scic_sds_stp_remote_device_ready_cmd_substate_enter(void *object)
|
|
{
|
|
struct scic_sds_remote_device *sci_dev = container_of(object, typeof(*sci_dev),
|
|
parent);
|
|
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev);
|
|
struct isci_host *ihost = sci_object_get_association(scic);
|
|
struct isci_remote_device *idev = sci_object_get_association(sci_dev);
|
|
|
|
BUG_ON(sci_dev->working_request == NULL);
|
|
|
|
SET_STATE_HANDLER(sci_dev,
|
|
scic_sds_stp_remote_device_ready_substate_handler_table,
|
|
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD);
|
|
|
|
isci_remote_device_not_ready(ihost, idev,
|
|
SCIC_REMOTE_DEVICE_NOT_READY_SATA_REQUEST_STARTED);
|
|
}
|
|
|
|
static void scic_sds_stp_remote_device_ready_ncq_substate_enter(void *object)
|
|
{
|
|
struct scic_sds_remote_device *sci_dev = container_of(object, typeof(*sci_dev),
|
|
parent);
|
|
SET_STATE_HANDLER(sci_dev,
|
|
scic_sds_stp_remote_device_ready_substate_handler_table,
|
|
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ);
|
|
}
|
|
|
|
static void scic_sds_stp_remote_device_ready_ncq_error_substate_enter(
|
|
void *object)
|
|
{
|
|
struct scic_sds_remote_device *sci_dev = container_of(object, typeof(*sci_dev),
|
|
parent);
|
|
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev);
|
|
struct isci_host *ihost = sci_object_get_association(scic);
|
|
struct isci_remote_device *idev = sci_object_get_association(sci_dev);
|
|
|
|
SET_STATE_HANDLER(sci_dev,
|
|
scic_sds_stp_remote_device_ready_substate_handler_table,
|
|
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR);
|
|
|
|
if (sci_dev->not_ready_reason ==
|
|
SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED)
|
|
isci_remote_device_not_ready(ihost, idev, sci_dev->not_ready_reason);
|
|
}
|
|
|
|
/*
|
|
* *****************************************************************************
|
|
* * STP REMOTE DEVICE READY AWAIT RESET SUBSTATE
|
|
* ***************************************************************************** */
|
|
|
|
/**
|
|
* The enter routine to READY AWAIT RESET substate.
|
|
* @device: This is the object which is cast into a
|
|
* struct scic_sds_remote_device object.
|
|
*
|
|
*/
|
|
static void scic_sds_stp_remote_device_ready_await_reset_substate_enter(
|
|
void *device)
|
|
{
|
|
struct scic_sds_remote_device *sci_dev;
|
|
|
|
sci_dev = (struct scic_sds_remote_device *)device;
|
|
|
|
SET_STATE_HANDLER(
|
|
sci_dev,
|
|
scic_sds_stp_remote_device_ready_substate_handler_table,
|
|
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_AWAIT_RESET
|
|
);
|
|
}
|
|
|
|
const struct sci_base_state scic_sds_stp_remote_device_ready_substate_table[] = {
|
|
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE] = {
|
|
.enter_state = scic_sds_stp_remote_device_ready_idle_substate_enter,
|
|
},
|
|
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD] = {
|
|
.enter_state = scic_sds_stp_remote_device_ready_cmd_substate_enter,
|
|
},
|
|
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ] = {
|
|
.enter_state = scic_sds_stp_remote_device_ready_ncq_substate_enter,
|
|
},
|
|
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR] = {
|
|
.enter_state = scic_sds_stp_remote_device_ready_ncq_error_substate_enter,
|
|
},
|
|
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_AWAIT_RESET] = {
|
|
.enter_state = scic_sds_stp_remote_device_ready_await_reset_substate_enter,
|
|
},
|
|
};
|