362 lines
11 KiB
C
362 lines
11 KiB
C
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/*-
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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*
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* BSD LICENSE
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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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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* $FreeBSD$
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*/
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#ifndef _SATI_TRANSLATOR_SEQUENCE_H_
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#define _SATI_TRANSLATOR_SEQUENCE_H_
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/**
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* @file
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* @brief This file contains all of the defintions for the SATI translator
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* sequence. A translator sequence is simply a defintion for the
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* various sequences of commands that occur in this translator.
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*/
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#include <dev/isci/scil/sati_device.h>
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/**
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* @enum _SATI_TRANSLATOR_SEQUENCE_TYPE
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*
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* @brief This enumeration defines the possible sequence types for the
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* translator.
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*/
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typedef enum _SATI_TRANSLATOR_SEQUENCE_TYPE
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{
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// SCSI Primary Command (SPC) sequences.
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SATI_SEQUENCE_REPORT_LUNS,
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SATI_SEQUENCE_TEST_UNIT_READY,
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SATI_SEQUENCE_INQUIRY_STANDARD,
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SATI_SEQUENCE_INQUIRY_SUPPORTED_PAGES,
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SATI_SEQUENCE_INQUIRY_SERIAL_NUMBER,
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SATI_SEQUENCE_INQUIRY_DEVICE_ID,
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SATI_SEQUENCE_INQUIRY_ATA_INFORMATION,
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SATI_SEQUENCE_INQUIRY_BLOCK_DEVICE,
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SATI_SEQUENCE_INQUIRY_EXECUTE_DEVICE_DIAG,
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SATI_SEQUENCE_MODE_SENSE_6_CACHING,
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SATI_SEQUENCE_MODE_SENSE_6_INFORMATIONAL_EXCP_CONTROL,
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SATI_SEQUENCE_MODE_SENSE_6_READ_WRITE_ERROR,
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SATI_SEQUENCE_MODE_SENSE_6_DISCONNECT_RECONNECT,
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SATI_SEQUENCE_MODE_SENSE_6_CONTROL,
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SATI_SEQUENCE_MODE_SENSE_6_POWER_CONDITION,
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SATI_SEQUENCE_MODE_SENSE_6_ALL_PAGES,
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SATI_SEQUENCE_MODE_SENSE_10_CACHING,
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SATI_SEQUENCE_MODE_SENSE_10_INFORMATIONAL_EXCP_CONTROL,
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SATI_SEQUENCE_MODE_SENSE_10_READ_WRITE_ERROR,
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SATI_SEQUENCE_MODE_SENSE_10_DISCONNECT_RECONNECT,
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SATI_SEQUENCE_MODE_SENSE_10_CONTROL,
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SATI_SEQUENCE_MODE_SENSE_10_POWER_CONDITION,
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SATI_SEQUENCE_MODE_SENSE_10_ALL_PAGES,
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SATI_SEQUENCE_MODE_SELECT_MODE_PAGE_CACHING,
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SATI_SEQUENCE_MODE_SELECT_MODE_POWER_CONDITION,
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SATI_SEQUENCE_MODE_SELECT_MODE_INFORMATION_EXCEPT_CONTROL,
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//Log Sense Sequences
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SATI_SEQUENCE_LOG_SENSE_SELF_TEST_LOG_PAGE,
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SATI_SEQUENCE_LOG_SENSE_EXTENDED_SELF_TEST_LOG_PAGE,
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SATI_SEQUENCE_LOG_SENSE_SUPPORTED_LOG_PAGE,
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SATI_SEQUENCE_LOG_SENSE_INFO_EXCEPTION_LOG_PAGE,
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// SCSI Block Command (SBC) sequences.
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SATI_SEQUENCE_READ_6,
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SATI_SEQUENCE_READ_10,
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SATI_SEQUENCE_READ_12,
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SATI_SEQUENCE_READ_16,
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SATI_SEQUENCE_READ_CAPACITY_10,
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SATI_SEQUENCE_READ_CAPACITY_16,
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SATI_SEQUENCE_SYNCHRONIZE_CACHE,
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SATI_SEQUENCE_VERIFY_10,
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SATI_SEQUENCE_VERIFY_12,
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SATI_SEQUENCE_VERIFY_16,
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SATI_SEQUENCE_WRITE_6,
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SATI_SEQUENCE_WRITE_10,
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SATI_SEQUENCE_WRITE_12,
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SATI_SEQUENCE_WRITE_16,
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SATI_SEQUENCE_WRITE_AND_VERIFY,
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SATI_SEQUENCE_START_STOP_UNIT,
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SATI_SEQUENCE_REASSIGN_BLOCKS,
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// SCSI Task Requests sequences
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SATI_SEQUENCE_LUN_RESET,
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SATI_SEQUENCE_ABORT_TASK_SET,
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SATI_SEQUENCE_REQUEST_SENSE_SMART_RETURN_STATUS,
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SATI_SEQUENCE_REQUEST_SENSE_CHECK_POWER_MODE,
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SATI_SEQUENCE_WRITE_LONG,
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SATI_SEQUENCE_UNMAP,
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SATI_SEQUENCE_ATA_PASSTHROUGH_12,
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SATI_SEQUENCE_ATA_PASSTHROUGH_16,
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SATI_SEQUENCE_READ_BUFFER,
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SATI_SEQUENCE_WRITE_BUFFER,
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SATI_SEQUENCE_WRITE_BUFFER_MICROCODE
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} SATI_TRANSLATOR_SEQUENCE_TYPE;
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#define SATI_SEQUENCE_TYPE_READ_MIN SATI_SEQUENCE_READ_6
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#define SATI_SEQUENCE_TYPE_READ_MAX SATI_SEQUENCE_READ_16
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/**
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* @name SATI_SEQUENCE_STATES
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*
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* These constants depict the various state values associated with a
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* translation sequence.
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*/
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/*@{*/
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#define SATI_SEQUENCE_STATE_INITIAL 0
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#define SATI_SEQUENCE_STATE_TRANSLATE_DATA 1
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#define SATI_SEQUENCE_STATE_AWAIT_RESPONSE 2
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#define SATI_SEQUENCE_STATE_FINAL 3
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#define SATI_SEQUENCE_STATE_INCOMPLETE 4
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#define SATI_SEQUENCE_STATE_READ_ERROR 5
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/*@}*/
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/**
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* @name SATI_DATA_DIRECTIONS
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*
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* These constants depict the various types of data directions for a
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* translation sequence. Data can flow in/out (read/write) or no data at
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* all.
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*/
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/*@{*/
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#define SATI_DATA_DIRECTION_NONE 0
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#define SATI_DATA_DIRECTION_IN 1
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#define SATI_DATA_DIRECTION_OUT 2
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/*@}*/
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/**
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* @struct SATI_MODE_SELECT_PROCESSING_STATE
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*
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* @brief This structure contains all of the current processing states
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* for processing mode select 6 and 10 commands' parameter fields.
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*/
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typedef struct SATI_MODE_SELECT_PROCESSING_STATE
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{
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U8 * mode_pages;
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U32 mode_page_offset;
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U32 mode_pages_size;
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U32 size_of_data_processed;
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U32 total_ata_command_sent;
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U32 ata_command_sent_for_cmp; // cmp: current mode page
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BOOL current_mode_page_processed;
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} SATI_MODE_SELECT_PROCESSING_STATE_T;
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enum SATI_REASSIGN_BLOCKS_ATA_COMMAND_STATUS
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{
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SATI_REASSIGN_BLOCKS_READY_TO_SEND,
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SATI_REASSIGN_BLOCKS_COMMAND_FAIL,
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SATI_REASSIGN_BLOCKS_COMMAND_SUCCESS,
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};
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/**
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* @struct SATI_REASSIGN_BLOCKS_PROCESSING_STATE
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*
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* @brief This structure contains all of the current processing states
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* for processing reassign block command's parameter fields.
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*/
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typedef struct SATI_REASSIGN_BLOCKS_PROCESSING_STATE
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{
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U32 lba_offset;
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U32 block_lists_size;
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U8 lba_size;
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U32 size_of_data_processed;
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U32 ata_command_sent_for_current_lba;
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BOOL current_lba_processed;
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enum SATI_REASSIGN_BLOCKS_ATA_COMMAND_STATUS ata_command_status;
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}SATI_REASSIGN_BLOCKS_PROCESSING_STATE_T;
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#define SATI_ATAPI_REQUEST_SENSE_CDB_LENGTH 12
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/**
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* @struct SATI_ATAPI_DATA
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*
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* @brief The SATI_ATAPI_DATA structure is for sati atapi IO specific data.
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*/
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typedef struct SATI_ATAPI_DATA
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{
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U8 request_sense_cdb[SATI_ATAPI_REQUEST_SENSE_CDB_LENGTH];
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} SATI_ATAPI_DATA_T;
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enum SATI_UNMAP_ATA_COMMAND_STATUS
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{
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SATI_UNMAP_READY_TO_SEND,
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SATI_UNMAP_COMMAND_FAIL,
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SATI_UNMAP_COMMAND_SUCCESS,
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};
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/**
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* @struct SATI_UNMAP_PROCESSING_STATE
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*
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* @brief This structure contains all of the current processing states
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* for processing unmap command data translation.
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*/
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typedef struct SATI_UNMAP_PROCESSING_STATE
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{
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U32 max_unmap_block_descriptors;
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U32 current_unmap_block_descriptor_index;
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U32 current_lba_count;
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SATI_LBA current_lba;
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SATI_LBA next_lba;
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U32 max_lba_range_entries;
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void * current_dsm_descriptor;
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void * virtual_unmap_buffer;
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U32 physical_unmap_buffer_low;
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U32 physical_unmap_buffer_high;
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void * unmap_buffer_sgl_pair;
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} SATI_UNMAP_PROCESSING_STATE_T;
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/**
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* @struct SATI_TRANSLATOR_SEQUENCE
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*
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* @brief This structure contains all of the translation information
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* associated with a particular request.
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*/
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typedef struct SATI_TRANSLATOR_SEQUENCE
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{
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/**
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* This field contains the sequence type determined by the SATI.
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*/
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U8 type;
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/**
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* This field indicates the current state for the sequence.
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*/
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U8 state;
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/**
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* This field indicates the data direction (none, read, or write) for
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* the translated request.
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*/
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U8 data_direction;
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/**
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* This field contains the SATA/ATA protocol to be utilized during
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* the IO transfer.
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*/
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U8 protocol;
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/**
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* This field is utilized for sequences requiring data translation.
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* It specifies the amount of data requested by the caller from the
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* operation. It's necessary, because at times the user requests less
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* data than is available. Thus, we need to avoid overrunning the
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* buffer.
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*/
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U32 allocation_length;
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/**
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* This field specifies the amount of data that will actually be
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* transfered across the wire for this ATA request.
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*/
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U32 ata_transfer_length;
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/**
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* This field specifies the amount of data bytes that have been
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* set in a translation sequence. It will be incremented every time
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* a data byte has been set by a sati translation.
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*/
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U16 number_data_bytes_set;
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/**
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* This field indicates whether or not the sense response has been set
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* by the translation sequence.
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*/
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BOOL is_sense_response_set;
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/**
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* This field indicates whether or not the translation requires
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* response translation.
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*/
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BOOL is_translate_response_required;
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/**
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* This field specifies the remote device context for which this
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* translator sequence is destined.
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*/
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SATI_DEVICE_T * device;
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/**
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* This field is utilized to provide the translator with memory space
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* required for translations that utilize multiple requests.
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*/
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union {
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U32 translated_command;
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U32 move_sector_count;
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U32 scratch;
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SATI_REASSIGN_BLOCKS_PROCESSING_STATE_T reassign_blocks_process_state;
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SATI_MODE_SELECT_PROCESSING_STATE_T process_state;
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SATI_UNMAP_PROCESSING_STATE_T unmap_process_state;
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SATI_ATAPI_DATA_T sati_atapi_data;
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} command_specific_data;
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} SATI_TRANSLATOR_SEQUENCE_T;
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#endif // _SATI_TRANSLATOR_SEQUENCE_H_
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