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isci: removing non-working ATAPI code 

Removing not used / bit-rotten ATAPI code. This needs to go back
and debugged at a later date.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
[reflow against devel, delete dead sati headers]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dave Jiang 2011-04-26 12:31:37 -07:00 коммит произвёл Dan Williams
Родитель 1f4fa1f958
Коммит 3d6e428c0c
10 изменённых файлов: 0 добавлений и 1659 удалений
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4
drivers/scsi/isci/Makefile
Просмотреть файл

@ -2,9 +2,6 @@
#generation of silicon
EXTRA_CFLAGS += -DSCIC_SDS_4_ENABLED
#temporary until atapi support ready
EXTRA_CFLAGS += -DDISABLE_ATAPI
EXTRA_CFLAGS += -Idrivers/scsi/isci/core/ -Idrivers/scsi/isci/
obj-$(CONFIG_SCSI_ISCI) += isci.o
isci-objs := init.o phy.o request.o sata.o \
@ -17,7 +14,6 @@ isci-objs := init.o phy.o request.o sata.o \
core/scic_sds_controller.o \
core/scic_sds_request.o \
core/scic_sds_stp_request.o \
core/scic_sds_stp_packet_request.o \
core/scic_sds_port.o \
core/scic_sds_port_configuration_agent.o \
core/scic_sds_phy.o \

156
drivers/scsi/isci/core/sati_device.h
Просмотреть файл

@ -1,156 +0,0 @@
/*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* BSD LICENSE
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SATI_DEVICE_H_
#define _SATI_DEVICE_H_
/**
* This file contains all of the defintions for the SATI remote device object.
* Some translations require information to be remembered on a per device
* basis. This information is stored in the object defined in this file.
*
*
*/
#include "sati_types.h"
#include "intel_ata.h"
/**
* enum _SATI_DEVICE_STATE - This enumeration depicts the various states
* possible for the a translation remote device object.
*
*
*/
enum sati_device_state {
SATI_DEVICE_STATE_OPERATIONAL,
SATI_DEVICE_STATE_STOPPED,
SATI_DEVICE_STATE_STANDBY,
SATI_DEVICE_STATE_IDLE,
SATI_DEVICE_STATE_DEVICE_FAULT_OCCURRED,
SATI_DEVICE_STATE_FORMAT_UNIT_IN_PROGRESS,
SATI_DEVICE_STATE_SELF_TEST_IN_PROGRESS,
SATI_DEVICE_STATE_SEQUENCE_INCOMPLETE,
SATI_DEVICE_STATE_UNIT_ATTENTION_CONDITION
};
/**
*
*
* SATI_DEVICE_CAPABILITIES These constants define the various capabilities
* that a remote device may support for which there is an impact on translation.
*/
#define SATI_DEVICE_CAP_UDMA_ENABLE 0x00000001
#define SATI_DEVICE_CAP_NCQ_REQUESTED_ENABLE 0x00000002
#define SATI_DEVICE_CAP_NCQ_SUPPORTED_ENABLE 0x00000004
#define SATI_DEVICE_CAP_48BIT_ENABLE 0x00000008
#define SATI_DEVICE_CAP_DMA_FUA_ENABLE 0x00000010
#define SATI_DEVICE_CAP_SMART_SUPPORT 0x00000020
#define SATI_DEVICE_CAP_REMOVABLE_MEDIA 0x00000040
#define SATI_DEVICE_CAP_SMART_ENABLE 0x00000080
#define SATI_DEVICE_CAP_WRITE_UNCORRECTABLE_ENABLE 0x00000100
#define SATI_DEVICE_CAP_MULTIPLE_SECTORS_PER_PHYSCIAL_SECTOR 0x00000200
#define SATI_DEVICE_CAP_SMART_SELF_TEST_SUPPORT 0x00000400
/**
* struct sati_device - The SATI_DEVICE structure define the state of the
* remote device with respect to translation.
*
*
*/
struct sati_device {
/**
* This field simply dictates the state of the SATI device.
*/
enum sati_device_state state;
/**
* This field indicates features supported by the remote device that
* impact translation execution.
*/
u16 capabilities;
/**
* This field indicates the depth of the native command queue supported
* by the device.
*/
u8 ncq_depth;
/**
* This field stores the additional sense code for a unit attention
* condition.
*/
u8 unit_attention_asc;
/**
* This field indicates the additional sense code qualifier for a unit
* attention condition.
*/
u8 unit_attention_ascq;
};
void sati_device_construct(
struct sati_device *device,
bool is_ncq_enabled,
u8 max_ncq_depth);
void sati_device_update_capabilities(
struct sati_device *device,
struct ata_identify_device_data *identify);
#endif /* _SATI_TRANSLATOR_SEQUENCE_H_ */

304
drivers/scsi/isci/core/sati_translator_sequence.h
Просмотреть файл

@ -1,304 +0,0 @@
/*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* BSD LICENSE
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SATI_TRANSLATOR_SEQUENCE_H_
#define _SATI_TRANSLATOR_SEQUENCE_H_
/**
* This file contains all of the defintions for the SATI translator sequence.
* A translator sequence is simply a defintion for the various sequences of
* commands that occur in this translator.
*
*
*/
#include "sati_device.h"
/**
* enum _sati_translator_sequence_type - This enumeration defines the possible
* sequence types for the translator.
*
*
*/
enum sati_translator_sequence_type {
/* SCSI Primary Command (SPC) sequences. */
SATI_SEQUENCE_REPORT_LUNS,
SATI_SEQUENCE_TEST_UNIT_READY,
SATI_SEQUENCE_INQUIRY_STANDARD,
SATI_SEQUENCE_INQUIRY_SUPPORTED_PAGES,
SATI_SEQUENCE_INQUIRY_SERIAL_NUMBER,
SATI_SEQUENCE_INQUIRY_DEVICE_ID,
SATI_SEQUENCE_INQUIRY_BLOCK_DEVICE,
SATI_SEQUENCE_MODE_SENSE_6_CACHING,
SATI_SEQUENCE_MODE_SENSE_6_INFORMATIONAL_EXCP_CONTROL,
SATI_SEQUENCE_MODE_SENSE_6_READ_WRITE_ERROR,
SATI_SEQUENCE_MODE_SENSE_6_DISCONNECT_RECONNECT,
SATI_SEQUENCE_MODE_SENSE_6_CONTROL,
SATI_SEQUENCE_MODE_SENSE_6_ALL_PAGES,
SATI_SEQUENCE_MODE_SENSE_10_CACHING,
SATI_SEQUENCE_MODE_SENSE_10_INFORMATIONAL_EXCP_CONTROL,
SATI_SEQUENCE_MODE_SENSE_10_READ_WRITE_ERROR,
SATI_SEQUENCE_MODE_SENSE_10_DISCONNECT_RECONNECT,
SATI_SEQUENCE_MODE_SENSE_10_CONTROL,
SATI_SEQUENCE_MODE_SENSE_10_ALL_PAGES,
SATI_SEQUENCE_MODE_SELECT_MODE_PAGE_CACHING,
SATI_SEQUENCE_MODE_SELECT_MODE_POWER_CONDITION,
SATI_SEQUENCE_MODE_SELECT_MODE_INFORMATION_EXCEPT_CONTROL,
/* Log Sense Sequences */
SATI_SEQUENCE_LOG_SENSE_SELF_TEST_LOG_PAGE,
SATI_SEQUENCE_LOG_SENSE_EXTENDED_SELF_TEST_LOG_PAGE,
SATI_SEQUENCE_LOG_SENSE_SUPPORTED_LOG_PAGE,
SATI_SEQUENCE_LOG_SENSE_INFO_EXCEPTION_LOG_PAGE,
/* SCSI Block Command (SBC) sequences. */
SATI_SEQUENCE_READ_6,
SATI_SEQUENCE_READ_10,
SATI_SEQUENCE_READ_12,
SATI_SEQUENCE_READ_16,
SATI_SEQUENCE_READ_CAPACITY_10,
SATI_SEQUENCE_READ_CAPACITY_16,
SATI_SEQUENCE_SYNCHRONIZE_CACHE,
SATI_SEQUENCE_VERIFY_10,
SATI_SEQUENCE_VERIFY_12,
SATI_SEQUENCE_VERIFY_16,
SATI_SEQUENCE_WRITE_6,
SATI_SEQUENCE_WRITE_10,
SATI_SEQUENCE_WRITE_12,
SATI_SEQUENCE_WRITE_16,
SATI_SEQUENCE_START_STOP_UNIT,
SATI_SEQUENCE_REASSIGN_BLOCKS,
/* SCSI Task Requests sequences */
SATI_SEQUENCE_LUN_RESET,
SATI_SEQUENCE_REQUEST_SENSE_SMART_RETURN_STATUS,
SATI_SEQUENCE_REQUEST_SENSE_CHECK_POWER_MODE,
SATI_SEQUENCE_WRITE_LONG
};
#define SATI_SEQUENCE_TYPE_READ_MIN SATI_SEQUENCE_READ_6
#define SATI_SEQUENCE_TYPE_READ_MAX SATI_SEQUENCE_READ_16
/**
*
*
* SATI_SEQUENCE_STATES These constants depict the various state values
* associated with a translation sequence.
*/
#define SATI_SEQUENCE_STATE_INITIAL 0
#define SATI_SEQUENCE_STATE_TRANSLATE_DATA 1
#define SATI_SEQUENCE_STATE_AWAIT_RESPONSE 2
#define SATI_SEQUENCE_STATE_FINAL 3
#define SATI_SEQUENCE_STATE_INCOMPLETE 4
/**
*
*
* SATI_DATA_DIRECTIONS These constants depict the various types of data
* directions for a translation sequence. Data can flow in/out (read/write) or
* no data at all.
*/
#define SATI_DATA_DIRECTION_NONE 0
#define SATI_DATA_DIRECTION_IN 1
#define SATI_DATA_DIRECTION_OUT 2
/**
* struct SATI_MODE_SELECT_PROCESSING_STATE - This structure contains all of
* the current processing states for processing mode select 6 and 10
* commands' parameter fields.
*
*
*/
struct sati_mode_select_processing_state {
u8 *mode_pages;
u32 mode_page_offset;
u32 mode_pages_size;
u32 size_of_data_processed;
u32 total_ata_command_sent;
u32 ata_command_sent_for_cmp; /* cmp: current mode page */
bool current_mode_page_processed;
};
enum sati_reassign_blocks_ata_command_status {
SATI_REASSIGN_BLOCKS_READY_TO_SEND,
SATI_REASSIGN_BLOCKS_COMMAND_FAIL,
SATI_REASSIGN_BLOCKS_COMMAND_SUCCESS,
};
/**
* struct sati_reassign_blocks_processing_state - This structure contains all
* of the current processing states for processing reassign block command's
* parameter fields.
*
*
*/
struct sati_reassign_blocks_processing_state {
u32 lba_offset;
u32 block_lists_size;
u8 lba_size;
u32 size_of_data_processed;
u32 ata_command_sent_for_current_lba;
bool current_lba_processed;
enum sati_reassign_blocks_ata_command_status ata_command_status;
};
#define SATI_ATAPI_REQUEST_SENSE_CDB_LENGTH 12
/**
* struct sati_atapi_data - The SATI_ATAPI_DATA structure is for sati atapi IO
* specific data.
*
*
*/
struct sati_atapi_data {
u8 request_sense_cdb[SATI_ATAPI_REQUEST_SENSE_CDB_LENGTH];
};
/**
* struct sati_translator_sequence - This structure contains all of the
* translation information associated with a particular request.
*
*
*/
struct sati_translator_sequence {
/**
* This field contains the sequence type determined by the SATI.
*/
u8 type;
/**
* This field indicates the current state for the sequence.
*/
u8 state;
/**
* This field indicates the data direction (none, read, or write) for
* the translated request.
*/
u8 data_direction;
/**
* This field contains the SATA/ATA protocol to be utilized during
* the IO transfer.
*/
u8 protocol;
/**
* This field is utilized for sequences requiring data translation.
* It specifies the amount of data requested by the caller from the
* operation. It's necessary, because at times the user requests less
* data than is available. Thus, we need to avoid overrunning the
* buffer.
*/
u32 allocation_length;
/**
* This field specifies the amount of data that will actually be
* transfered across the wire for this ATA request.
*/
u32 ata_transfer_length;
/**
* This field specifies the amount of data bytes that have been
* set in a translation sequence. It will be incremented every time
* a data byte has been set by a sati translation.
*/
u16 number_data_bytes_set;
/**
* This field indicates whether or not the sense response has been set
* by the translation sequence.
*/
bool is_sense_response_set;
/**
* This field specifies the remote device context for which this
* translator sequence is destined.
*/
struct sati_device *device;
/**
* This field is utilized to provide the translator with memory space
* required for translations that utilize multiple requests.
*/
union {
u32 translated_command;
u32 move_sector_count;
u32 scratch;
struct sati_reassign_blocks_processing_state
reassign_blocks_process_state;
struct sati_mode_select_processing_state process_state;
struct sati_atapi_data sati_atapi_data;
} command_specific_data;
};
#endif /* _SATI_TRANSLATOR_SEQUENCE_H_ */

145
drivers/scsi/isci/core/sati_types.h
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@ -1,145 +0,0 @@
/*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* BSD LICENSE
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SATI_TYPES_H_
#define _SATI_TYPES_H_
/**
* This file contains various type definitions to be utilized with SCSI to ATA
* Translation Implementation.
*
*
*/
/**
* enum _SATI_STATUS - This enumeration defines the possible return values from
* the SATI translation methods.
*
*
*/
enum sati_status {
/**
* This indicates that the translation was supported and occurred
* without error.
*/
SATI_SUCCESS,
/**
* This indicates that the translation was supported, occurred without
* error, and no additional translation is necessary. This is done in
* conditions where the SCSI command doesn't require any interaction with
* the remote device.
*/
SATI_COMPLETE,
/**
* This indicated everything SATI_COMPLETE does in addition to the response data
* not using all the memory allocated by the OS.
*/
SATI_COMPLETE_IO_DONE_EARLY,
/**
* This indicates that translator sequence has finished some specific
* command in the sequence, but additional commands are necessary.
*/
SATI_SEQUENCE_INCOMPLETE,
/**
* This indicates a general failure has occurred for which no further
* specification information is available.
*/
SATI_FAILURE,
/**
* This indicates that the result of the IO request indicates a
* failure. The caller should reference the corresponding response
* data for further details.
*/
SATI_FAILURE_CHECK_RESPONSE_DATA,
/**
* This status indicates that the supplied sequence type doesn't map
* to an existing definition.
*/
SATI_FAILURE_INVALID_SEQUENCE_TYPE,
/**
* This status indicates that the supplied sequence state doesn't match
* the operation being requested by the user.
*/
SATI_FAILURE_INVALID_STATE
};
#if (!defined(DISABLE_SATI_MODE_SENSE) \
|| !defined(DISABLE_SATI_MODE_SELECT) \
|| !defined(DISABLE_SATI_REQUEST_SENSE)) \
#if !defined(ENABLE_SATI_MODE_PAGES)
/**
*
*
* This macro enables the common mode page data structures and code. Currently,
* MODE SENSE, MODE SELECT, and REQUEST SENSE all make reference to this common
* code. As a result, enable the common mode page code if any of these 3 are
* being translated.
*/
#define ENABLE_SATI_MODE_PAGES
#endif /* !defined(ENABLE_SATI_MODE_PAGES) */
#endif /* MODE_SENSE/SELECT/REQUEST_SENSE */
#endif /* _SATI_TYPES_H_ */

14
drivers/scsi/isci/core/scic_sds_request.c
Просмотреть файл

@ -73,10 +73,6 @@
#include "scu_constants.h"
#include "scu_task_context.h"
#if !defined(DISABLE_ATAPI)
#include "scic_sds_stp_packet_request.h"
#endif
/*
* ****************************************************************************
* * SCIC SDS IO REQUEST CONSTANTS
@ -670,16 +666,6 @@ static enum sci_status scic_io_request_construct_sata(struct scic_sds_request *s
status = scic_sds_stp_ncq_request_construct(sci_req, len, dir);
break;
#if !defined(DISABLE_ATAPI)
case SAT_PROTOCOL_PACKET_NON_DATA:
case SAT_PROTOCOL_PACKET_DMA_DATA_IN:
case SAT_PROTOCOL_PACKET_DMA_DATA_OUT:
case SAT_PROTOCOL_PACKET_PIO_DATA_IN:
case SAT_PROTOCOL_PACKET_PIO_DATA_OUT:
status = scic_sds_stp_packet_request_construct(sci_req);
break;
#endif
case SAT_PROTOCOL_DMA_QUEUED:
case SAT_PROTOCOL_DMA:
case SAT_PROTOCOL_DEVICE_DIAGNOSTIC:

805
drivers/scsi/isci/core/scic_sds_stp_packet_request.c
Просмотреть файл

@ -1,805 +0,0 @@
/*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* BSD LICENSE
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#if !defined(DISABLE_ATAPI)
#include "intel_ata.h"
#include "intel_sas.h"
#include "intel_sata.h"
#include "intel_sat.h"
#include "sati_translator_sequence.h"
#include "sci_base_state.h"
#include "scic_controller.h"
#include "scic_sds_controller.h"
#include "remote_device.h"
#include "scic_sds_request.h"
#include "scic_sds_stp_packet_request.h"
#include "scic_user_callback.h"
#include "sci_util.h"
#include "scu_completion_codes.h"
#include "scu_task_context.h"
/**
* This method will fill in the SCU Task Context for a PACKET fis. And
* construct the request STARTED sub-state machine for Packet Protocol IO.
* @sci_req: This parameter specifies the stp packet request object being
* constructed.
*
*/
enum sci_status scic_sds_stp_packet_request_construct(
struct scic_sds_request *sci_req)
{
struct sata_fis_reg_h2d *h2d_fis =
scic_stp_io_request_get_h2d_reg_address(
sci_req
);
/*
* Work around, we currently only support PACKET DMA protocol, so we
* need to make change to Packet Fis features field. */
h2d_fis->features = h2d_fis->features | ATA_PACKET_FEATURE_DMA;
scic_sds_stp_non_ncq_request_construct(sci_req);
/* Build the Packet Fis task context structure */
scu_stp_raw_request_construct_task_context(
(struct scic_sds_stp_request *)sci_req,
sci_req->task_context_buffer
);
sci_base_state_machine_construct(
&sci_req->started_substate_machine,
&sci_req->parent.parent,
scic_sds_stp_packet_request_started_substate_table,
SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_TC_COMPLETION_SUBSTATE
);
return SCI_SUCCESS;
}
/**
* This method will fill in the SCU Task Context for a Packet request command
* phase in PACKET DMA DATA (IN/OUT) type. The following important settings
* are utilized: -# task_type == SCU_TASK_TYPE_PACKET_DMA. This simply
* indicates that a normal request type (i.e. non-raw frame) is being
* utilized to perform task management. -# control_frame == 1. This ensures
* that the proper endianess is set so that the bytes are transmitted in the
* right order for a smp request frame.
* @sci_req: This parameter specifies the smp request object being
* constructed.
* @task_context: The task_context to be reconstruct for packet request command
* phase.
*
*/
void scu_stp_packet_request_command_phase_construct_task_context(
struct scic_sds_request *sci_req,
struct scu_task_context *task_context)
{
void *atapi_cdb;
u32 atapi_cdb_length;
struct scic_sds_stp_request *stp_request = (struct scic_sds_stp_request *)sci_req;
/*
* reference: SSTL 1.13.4.2
* task_type, sata_direction */
if (scic_cb_io_request_get_data_direction(sci_req->user_request)
== SCI_IO_REQUEST_DATA_OUT) {
task_context->task_type = SCU_TASK_TYPE_PACKET_DMA_OUT;
task_context->sata_direction = 0;
} else { /* todo: for NO_DATA command, we need to send out raw frame. */
task_context->task_type = SCU_TASK_TYPE_PACKET_DMA_IN;
task_context->sata_direction = 1;
}
/* sata header */
memset(&(task_context->type.stp), 0, sizeof(struct stp_task_context));
task_context->type.stp.fis_type = SATA_FIS_TYPE_DATA;
/*
* Copy in the command IU with CDB so that the commandIU address doesn't
* change. */
memset(sci_req->command_buffer, 0, sizeof(struct sata_fis_reg_h2d));
atapi_cdb =
scic_cb_stp_packet_io_request_get_cdb_address(sci_req->user_request);
atapi_cdb_length =
scic_cb_stp_packet_io_request_get_cdb_length(sci_req->user_request);
memcpy(((u8 *)sci_req->command_buffer + sizeof(u32)), atapi_cdb, atapi_cdb_length);
atapi_cdb_length =
max(atapi_cdb_length, stp_request->type.packet.device_preferred_cdb_length);
task_context->ssp_command_iu_length =
((atapi_cdb_length % 4) == 0) ?
(atapi_cdb_length / 4) : ((atapi_cdb_length / 4) + 1);
/* task phase is set to TX_CMD */
task_context->task_phase = 0x1;
/* retry counter */
task_context->stp_retry_count = 0;
if (scic_cb_request_is_initial_construction(sci_req->user_request)) {
/* data transfer size. */
task_context->transfer_length_bytes =
scic_cb_io_request_get_transfer_length(sci_req->user_request);
/* setup sgl */
scic_sds_request_build_sgl(sci_req);
} else {
/* data transfer size, need to be 4 bytes aligned. */
task_context->transfer_length_bytes = (SCSI_FIXED_SENSE_DATA_BASE_LENGTH + 2);
scic_sds_stp_packet_internal_request_sense_build_sgl(sci_req);
}
}
/**
* This method will fill in the SCU Task Context for a DATA fis containing CDB
* in Raw Frame type. The TC for previous Packet fis was already there, we
* only need to change the H2D fis content.
* @sci_req: This parameter specifies the smp request object being
* constructed.
* @task_context: The task_context to be reconstruct for packet request command
* phase.
*
*/
void scu_stp_packet_request_command_phase_reconstruct_raw_frame_task_context(
struct scic_sds_request *sci_req,
struct scu_task_context *task_context)
{
void *atapi_cdb =
scic_cb_stp_packet_io_request_get_cdb_address(sci_req->user_request);
u32 atapi_cdb_length =
scic_cb_stp_packet_io_request_get_cdb_length(sci_req->user_request);
memset(sci_req->command_buffer, 0, sizeof(struct sata_fis_reg_h2d));
memcpy(((u8 *)sci_req->command_buffer + sizeof(u32)), atapi_cdb, atapi_cdb_length);
memset(&(task_context->type.stp), 0, sizeof(struct stp_task_context));
task_context->type.stp.fis_type = SATA_FIS_TYPE_DATA;
/*
* Note the data send out has to be 4 bytes aligned. Or else out hardware will
* patch non-zero bytes and cause the target device unhappy. */
task_context->transfer_length_bytes = 12;
}
/*
* *@brief This methods decode the D2H status FIS and retrieve the sense data,
* then pass the sense data to user request.
*
***@param[in] sci_req The request receive D2H status FIS.
***@param[in] status_fis The D2H status fis to be processed.
*
*/
enum sci_status scic_sds_stp_packet_request_process_status_fis(
struct scic_sds_request *sci_req,
struct sata_fis_reg_d2h *status_fis)
{
enum sci_status status = SCI_SUCCESS;
/* TODO: Process the error status fis, retrieve sense data. */
if (status_fis->status & ATA_STATUS_REG_ERROR_BIT)
status = SCI_FAILURE_IO_RESPONSE_VALID;
return status;
}
/*
* *@brief This methods builds sgl for internal REQUEST SENSE stp packet
* command using this request response buffer, only one sge is
* needed.
*
***@param[in] sci_req The request receive request sense data.
*
*/
void scic_sds_stp_packet_internal_request_sense_build_sgl(
struct scic_sds_request *sds_request)
{
void *sge;
struct scu_sgl_element_pair *scu_sgl_list = NULL;
struct scu_task_context *task_context;
dma_addr_t dma_addr;
struct sci_ssp_response_iu *rsp_iu =
(struct sci_ssp_response_iu *)sds_request->response_buffer;
sge = (void *)&rsp_iu->data[0];
task_context =
(struct scu_task_context *)sds_request->task_context_buffer;
scu_sgl_list = &task_context->sgl_pair_ab;
dma_addr = scic_io_request_get_dma_addr(sds_request, sge);
scu_sgl_list->A.address_upper = upper_32_bits(dma_addr);
scu_sgl_list->A.address_lower = lower_32_bits(dma_addr);
scu_sgl_list->A.length = task_context->transfer_length_bytes;
scu_sgl_list->A.address_modifier = 0;
SCU_SGL_ZERO(scu_sgl_list->B);
}
/**
* This method processes the completions transport layer (TL) status to
* determine if the Packet FIS was sent successfully. If the Packet FIS was
* sent successfully, then the state for the Packet request transits to
* waiting for a PIO SETUP frame.
* @sci_req: This parameter specifies the request for which the TC
* completion was received.
* @completion_code: This parameter indicates the completion status information
* for the TC.
*
* Indicate if the tc completion handler was successful. SCI_SUCCESS currently
* this method always returns success.
*/
enum sci_status scic_sds_stp_packet_request_packet_phase_await_tc_completion_tc_completion_handler(
struct scic_sds_request *sci_req,
u32 completion_code)
{
enum sci_status status = SCI_SUCCESS;
switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) {
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD):
scic_sds_request_set_status(
sci_req, SCU_TASK_DONE_GOOD, SCI_SUCCESS
);
sci_base_state_machine_change_state(
&sci_req->started_substate_machine,
SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_PIO_SETUP_SUBSTATE
);
break;
default:
/*
* All other completion status cause the IO to be complete. If a NAK
* was received, then it is up to the user to retry the request. */
scic_sds_request_set_status(
sci_req,
SCU_NORMALIZE_COMPLETION_STATUS(completion_code),
SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR
);
sci_base_state_machine_change_state(
&sci_req->parent.state_machine,
SCI_BASE_REQUEST_STATE_COMPLETED
);
break;
}
return status;
}
/**
* This method processes an unsolicited frame while the Packet request is
* waiting for a PIO SETUP FIS. It will release the unsolicited frame, and
* transition the request to the COMMAND_PHASE_AWAIT_TC_COMPLETION_SUBSTATE
* state.
* @sci_req: This parameter specifies the request for which the
* unsolicited frame was received.
* @frame_index: This parameter indicates the unsolicited frame index that
* should contain the response.
*
* This method returns an indication of whether the pio setup frame was handled
* successfully or not. SCI_SUCCESS Currently this value is always returned and
* indicates successful processing of the TC response.
*/
enum sci_status scic_sds_stp_packet_request_packet_phase_await_pio_setup_frame_handler(
struct scic_sds_request *request,
u32 frame_index)
{
enum sci_status status;
struct sata_fis_header *frame_header;
u32 *frame_buffer;
struct scic_sds_stp_request *sci_req;
sci_req = (struct scic_sds_stp_request *)request;
status = scic_sds_unsolicited_frame_control_get_header(
&(sci_req->parent.owning_controller->uf_control),
frame_index,
(void **)&frame_header
);
if (status == SCI_SUCCESS) {
BUG_ON(frame_header->fis_type != SATA_FIS_TYPE_PIO_SETUP);
/*
* Get from the frame buffer the PIO Setup Data, although we don't need
* any info from this pio setup fis. */
scic_sds_unsolicited_frame_control_get_buffer(
&(sci_req->parent.owning_controller->uf_control),
frame_index,
(void **)&frame_buffer
);
/*
* Get the data from the PIO Setup
* The SCU Hardware returns first word in the frame_header and the rest
* of the data is in the frame buffer so we need to back up one dword */
sci_req->type.packet.device_preferred_cdb_length =
(u16)((struct sata_fis_pio_setup *)(&frame_buffer[-1]))->transfter_count;
/* Frame has been decoded return it to the controller */
scic_sds_controller_release_frame(
sci_req->parent.owning_controller, frame_index
);
sci_base_state_machine_change_state(
&sci_req->parent.started_substate_machine,
SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_TC_COMPLETION_SUBSTATE
);
} else
dev_err(scic_to_dev(request->owning_controller),
"%s: SCIC IO Request 0x%p could not get frame header "
"for frame index %d, status %x\n",
__func__, sci_req, frame_index, status);
return status;
}
/**
* This method processes the completions transport layer (TL) status to
* determine if the PACKET command data FIS was sent successfully. If
* successfully, then the state for the packet request transits to COMPLETE
* state. If not successfuly, the request transits to
* COMMAND_PHASE_AWAIT_D2H_FIS_SUBSTATE.
* @sci_req: This parameter specifies the request for which the TC
* completion was received.
* @completion_code: This parameter indicates the completion status information
* for the TC.
*
* Indicate if the tc completion handler was successful. SCI_SUCCESS currently
* this method always returns success.
*/
enum sci_status scic_sds_stp_packet_request_command_phase_await_tc_completion_tc_completion_handler(
struct scic_sds_request *sci_req,
u32 completion_code)
{
enum sci_status status = SCI_SUCCESS;
u8 sat_packet_protocol =
scic_cb_request_get_sat_protocol(sci_req->user_request);
switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) {
case (SCU_TASK_DONE_GOOD << SCU_COMPLETION_TL_STATUS_SHIFT):
scic_sds_request_set_status(
sci_req, SCU_TASK_DONE_GOOD, SCI_SUCCESS
);
if (sat_packet_protocol == SAT_PROTOCOL_PACKET_DMA_DATA_IN
|| sat_packet_protocol == SAT_PROTOCOL_PACKET_DMA_DATA_OUT
)
sci_base_state_machine_change_state(
&sci_req->parent.state_machine,
SCI_BASE_REQUEST_STATE_COMPLETED
);
else
sci_base_state_machine_change_state(
&sci_req->started_substate_machine,
SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_D2H_FIS_SUBSTATE
);
break;
case (SCU_TASK_DONE_UNEXP_FIS << SCU_COMPLETION_TL_STATUS_SHIFT):
if (scic_io_request_get_number_of_bytes_transferred(sci_req) <
scic_cb_io_request_get_transfer_length(sci_req->user_request)) {
scic_sds_request_set_status(
sci_req, SCU_TASK_DONE_GOOD, SCI_SUCCESS_IO_DONE_EARLY
);
sci_base_state_machine_change_state(
&sci_req->parent.state_machine,
SCI_BASE_REQUEST_STATE_COMPLETED
);
status = sci_req->sci_status;
}
break;
case (SCU_TASK_DONE_EXCESS_DATA << SCU_COMPLETION_TL_STATUS_SHIFT):
/* In this case, there is no UF coming after. compelte the IO now. */
scic_sds_request_set_status(
sci_req, SCU_TASK_DONE_GOOD, SCI_SUCCESS
);
sci_base_state_machine_change_state(
&sci_req->parent.state_machine,
SCI_BASE_REQUEST_STATE_COMPLETED
);
break;
default:
if (sci_req->sci_status != SCI_SUCCESS) { /* The io status was set already. This means an UF for the status
* fis was received already.
*/
/*
* A device suspension event is expected, we need to have the device
* coming out of suspension, then complete the IO. */
sci_base_state_machine_change_state(
&sci_req->started_substate_machine,
SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMPLETION_DELAY_SUBSTATE
);
/* change the device state to ATAPI_ERROR. */
sci_base_state_machine_change_state(
&sci_req->target_device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_ATAPI_ERROR
);
status = sci_req->sci_status;
} else { /* If receiving any non-sucess TC status, no UF received yet, then an UF for
* the status fis is coming after.
*/
scic_sds_request_set_status(
sci_req,
SCU_TASK_DONE_CHECK_RESPONSE,
SCI_FAILURE_IO_RESPONSE_VALID
);
sci_base_state_machine_change_state(
&sci_req->started_substate_machine,
SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_D2H_FIS_SUBSTATE
);
}
break;
}
return status;
}
/**
* This method processes an unsolicited frame.
* @sci_req: This parameter specifies the request for which the
* unsolicited frame was received.
* @frame_index: This parameter indicates the unsolicited frame index that
* should contain the response.
*
* This method returns an indication of whether the UF frame was handled
* successfully or not. SCI_SUCCESS Currently this value is always returned and
* indicates successful processing of the TC response.
*/
enum sci_status scic_sds_stp_packet_request_command_phase_common_frame_handler(
struct scic_sds_request *request,
u32 frame_index)
{
enum sci_status status;
struct sata_fis_header *frame_header;
u32 *frame_buffer;
struct scic_sds_stp_request *sci_req;
sci_req = (struct scic_sds_stp_request *)request;
status = scic_sds_unsolicited_frame_control_get_header(
&(sci_req->parent.owning_controller->uf_control),
frame_index,
(void **)&frame_header
);
if (status == SCI_SUCCESS) {
BUG_ON(frame_header->fis_type != SATA_FIS_TYPE_REGD2H);
/*
* Get from the frame buffer the PIO Setup Data, although we don't need
* any info from this pio setup fis. */
scic_sds_unsolicited_frame_control_get_buffer(
&(sci_req->parent.owning_controller->uf_control),
frame_index,
(void **)&frame_buffer
);
scic_sds_controller_copy_sata_response(
&sci_req->d2h_reg_fis, (u32 *)frame_header, frame_buffer
);
/* Frame has been decoded return it to the controller */
scic_sds_controller_release_frame(
sci_req->parent.owning_controller, frame_index
);
}
return status;
}
/**
* This method processes an unsolicited frame while the packet request is
* expecting TC completion. It will process the FIS and construct sense data.
* @sci_req: This parameter specifies the request for which the
* unsolicited frame was received.
* @frame_index: This parameter indicates the unsolicited frame index that
* should contain the response.
*
* This method returns an indication of whether the UF frame was handled
* successfully or not. SCI_SUCCESS Currently this value is always returned and
* indicates successful processing of the TC response.
*/
enum sci_status scic_sds_stp_packet_request_command_phase_await_tc_completion_frame_handler(
struct scic_sds_request *request,
u32 frame_index)
{
struct scic_sds_stp_request *sci_req = (struct scic_sds_stp_request *)request;
enum sci_status status =
scic_sds_stp_packet_request_command_phase_common_frame_handler(
request, frame_index);
if (status == SCI_SUCCESS) {
/* The command has completed with error status from target device. */
status = scic_sds_stp_packet_request_process_status_fis(
request, &sci_req->d2h_reg_fis);
if (status != SCI_SUCCESS) {
scic_sds_request_set_status(
&sci_req->parent,
SCU_TASK_DONE_CHECK_RESPONSE,
status
);
} else
scic_sds_request_set_status(
&sci_req->parent, SCU_TASK_DONE_GOOD, SCI_SUCCESS
);
}
return status;
}
/**
* This method processes an unsolicited frame while the packet request is
* expecting TC completion. It will process the FIS and construct sense data.
* @sci_req: This parameter specifies the request for which the
* unsolicited frame was received.
* @frame_index: This parameter indicates the unsolicited frame index that
* should contain the response.
*
* This method returns an indication of whether the UF frame was handled
* successfully or not. SCI_SUCCESS Currently this value is always returned and
* indicates successful processing of the TC response.
*/
enum sci_status scic_sds_stp_packet_request_command_phase_await_d2h_fis_frame_handler(
struct scic_sds_request *request,
u32 frame_index)
{
enum sci_status status =
scic_sds_stp_packet_request_command_phase_common_frame_handler(
request, frame_index);
struct scic_sds_stp_request *sci_req = (struct scic_sds_stp_request *)request;
if (status == SCI_SUCCESS) {
/* The command has completed with error status from target device. */
status = scic_sds_stp_packet_request_process_status_fis(
request, &sci_req->d2h_reg_fis);
if (status != SCI_SUCCESS) {
scic_sds_request_set_status(
request,
SCU_TASK_DONE_CHECK_RESPONSE,
status
);
} else
scic_sds_request_set_status(
request, SCU_TASK_DONE_GOOD, SCI_SUCCESS
);
/*
* Always complete the NON_DATA command right away, no need to delay completion
* even an error status fis came from target device. */
sci_base_state_machine_change_state(
&request->parent.state_machine,
SCI_BASE_REQUEST_STATE_COMPLETED
);
}
return status;
}
enum sci_status scic_sds_stp_packet_request_started_completion_delay_complete_handler(
struct scic_sds_request *request)
{
sci_base_state_machine_change_state(&request->parent.state_machine,
SCI_BASE_REQUEST_STATE_COMPLETED);
return request->sci_status;
}
/* --------------------------------------------------------------------------- */
const struct scic_sds_io_request_state_handler scic_sds_stp_packet_request_started_substate_handler_table[] = {
[SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_TC_COMPLETION_SUBSTATE] = {
.parent.abort_handler = scic_sds_request_started_state_abort_handler,
.tc_completion_handler = scic_sds_stp_packet_request_packet_phase_await_tc_completion_tc_completion_handler,
},
[SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_PIO_SETUP_SUBSTATE] = {
.parent.abort_handler = scic_sds_request_started_state_abort_handler,
.frame_handler = scic_sds_stp_packet_request_packet_phase_await_pio_setup_frame_handler
},
[SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_TC_COMPLETION_SUBSTATE] = {
.parent.abort_handler = scic_sds_request_started_state_abort_handler,
.tc_completion_handler = scic_sds_stp_packet_request_command_phase_await_tc_completion_tc_completion_handler,
.frame_handler = scic_sds_stp_packet_request_command_phase_await_tc_completion_frame_handler
},
[SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_D2H_FIS_SUBSTATE] = {
.parent.abort_handler = scic_sds_request_started_state_abort_handler,
.frame_handler = scic_sds_stp_packet_request_command_phase_await_d2h_fis_frame_handler
},
[SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMPLETION_DELAY_SUBSTATE] = {
.parent.abort_handler = scic_sds_request_started_state_abort_handler,
.parent.complete_handler = scic_sds_stp_packet_request_started_completion_delay_complete_handler,
},
};
void scic_sds_stp_packet_request_started_packet_phase_await_tc_completion_enter(
struct sci_base_object *object)
{
struct scic_sds_request *sci_req = (struct scic_sds_request *)object;
SET_STATE_HANDLER(
sci_req,
scic_sds_stp_packet_request_started_substate_handler_table,
SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_TC_COMPLETION_SUBSTATE
);
scic_sds_remote_device_set_working_request(
sci_req->target_device, sci_req
);
}
void scic_sds_stp_packet_request_started_packet_phase_await_pio_setup_enter(
struct sci_base_object *object)
{
struct scic_sds_request *sci_req = (struct scic_sds_request *)object;
SET_STATE_HANDLER(
sci_req,
scic_sds_stp_packet_request_started_substate_handler_table,
SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_PIO_SETUP_SUBSTATE
);
}
void scic_sds_stp_packet_request_started_command_phase_await_tc_completion_enter(
struct sci_base_object *object)
{
struct scic_sds_request *sci_req = (struct scic_sds_request *)object;
u8 sat_packet_protocol =
scic_cb_request_get_sat_protocol(sci_req->user_request);
struct scu_task_context *task_context;
enum sci_status status;
/*
* Recycle the TC and reconstruct it for sending out data fis containing
* CDB. */
task_context = scic_sds_controller_get_task_context_buffer(
sci_req->owning_controller, sci_req->io_tag);
if (sat_packet_protocol == SAT_PROTOCOL_PACKET_NON_DATA)
scu_stp_packet_request_command_phase_reconstruct_raw_frame_task_context(
sci_req, task_context);
else
scu_stp_packet_request_command_phase_construct_task_context(
sci_req, task_context);
/* send the new TC out. */
status = sci_req->owning_controller->state_handlers->parent.continue_io_handler(
&sci_req->owning_controller->parent,
&sci_req->target_device->parent,
&sci_req->parent
);
if (status == SCI_SUCCESS)
SET_STATE_HANDLER(
sci_req,
scic_sds_stp_packet_request_started_substate_handler_table,
SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_TC_COMPLETION_SUBSTATE
);
}
void scic_sds_stp_packet_request_started_command_phase_await_d2h_fis_enter(
struct sci_base_object *object)
{
struct scic_sds_request *sci_req = (struct scic_sds_request *)object;
SET_STATE_HANDLER(
sci_req,
scic_sds_stp_packet_request_started_substate_handler_table,
SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_D2H_FIS_SUBSTATE
);
}
void scic_sds_stp_packet_request_started_completion_delay_enter(
struct sci_base_object *object)
{
struct scic_sds_request *sci_req = (struct scic_sds_request *)object;
SET_STATE_HANDLER(
sci_req,
scic_sds_stp_packet_request_started_substate_handler_table,
SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMPLETION_DELAY_SUBSTATE
);
}
/* --------------------------------------------------------------------------- */
const struct sci_base_state scic_sds_stp_packet_request_started_substate_table[] = {
[SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_TC_COMPLETION_SUBSTATE] = {
.enter_state = scic_sds_stp_packet_request_started_packet_phase_await_tc_completion_enter,
},
[SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_PIO_SETUP_SUBSTATE] = {
.enter_state = scic_sds_stp_packet_request_started_packet_phase_await_pio_setup_enter,
},
[SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_TC_COMPLETION_SUBSTATE] = {
.enter_state = scic_sds_stp_packet_request_started_command_phase_await_tc_completion_enter,
},
[SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_D2H_FIS_SUBSTATE] = {
.enter_state = scic_sds_stp_packet_request_started_command_phase_await_d2h_fis_enter,
},
[SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMPLETION_DELAY_SUBSTATE] = {
.enter_state scic_sds_stp_packet_request_started_completion_delay_enter,
}
};
#endif /* !defined(DISABLE_ATAPI) */

39
drivers/scsi/isci/core/scic_sds_stp_packet_request.h
Просмотреть файл

@ -104,50 +104,11 @@ enum _scic_sds_stp_packet_request_started_substates {
SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMPLETION_DELAY_SUBSTATE,
};
#if !defined(DISABLE_ATAPI)
extern const struct sci_base_state scic_sds_stp_packet_request_started_substate_table[];
extern const struct scic_sds_io_request_state_handler scic_sds_stp_packet_request_started_substate_handler_table[];
#endif /* !defined(DISABLE_ATAPI) */
#if !defined(DISABLE_ATAPI)
enum sci_status scic_sds_stp_packet_request_construct(
struct scic_sds_request *sci_req);
#else /* !defined(DISABLE_ATAPI) */
#define scic_sds_stp_packet_request_construct(request) SCI_FAILURE
#endif /* !defined(DISABLE_ATAPI) */
#if !defined(DISABLE_ATAPI)
void scu_stp_packet_request_command_phase_construct_task_context(
struct scic_sds_request *sci_req,
struct scu_task_context *task_context);
#else /* !defined(DISABLE_ATAPI) */
#define scu_stp_packet_request_command_phase_construct_task_context(reqeust, tc)
#endif /* !defined(DISABLE_ATAPI) */
#if !defined(DISABLE_ATAPI)
void scu_stp_packet_request_command_phase_reconstruct_raw_frame_task_context(
struct scic_sds_request *sci_req,
struct scu_task_context *task_context);
#else /* !defined(DISABLE_ATAPI) */
#define scu_stp_packet_request_command_phase_reconstruct_raw_frame_task_context(reqeust, tc)
#endif /* !defined(DISABLE_ATAPI) */
#if !defined(DISABLE_ATAPI)
enum sci_status scic_sds_stp_packet_request_process_status_fis(
struct scic_sds_request *sci_req,
struct sata_fis_reg_d2h *status_fis);
#else /* !defined(DISABLE_ATAPI) */
#define scic_sds_stp_packet_request_process_status_fis(reqeust, fis) SCI_FAILURE
#endif /* !defined(DISABLE_ATAPI) */
#if !defined(DISABLE_ATAPI)
void scic_sds_stp_packet_internal_request_sense_build_sgl(
struct scic_sds_request *sci_req);
#else /* !defined(DISABLE_ATAPI) */
#define scic_sds_stp_packet_internal_request_sense_build_sgl(request)
#endif /* !defined(DISABLE_ATAPI) */
#endif /* _SCIC_SDS_STP_PACKET_REQUEST_H_ */

60
drivers/scsi/isci/remote_device.c
Просмотреть файл

@ -99,15 +99,6 @@ enum sas_linkrate scic_remote_device_get_connection_rate(
return sci_dev->connection_rate;
}
#if !defined(DISABLE_ATAPI)
bool scic_remote_device_is_atapi(struct scic_sds_remote_device *sci_dev)
{
return sci_dev->is_atapi;
}
#endif
/**
*
*
@ -215,16 +206,6 @@ enum sci_status scic_sds_remote_device_start_task(
sci_dev, io_request);
}
/**
*
* @controller: The controller that is completing the task request.
* @sci_dev: The remote device for which the complete task handling is
* being requested.
* @io_request: The task request that is being completed.
*
* This method invokes the remote device complete task handler. enum sci_status
*/
/**
*
* @sci_dev:
@ -247,47 +228,6 @@ void scic_sds_remote_device_post_request(
);
}
#if !defined(DISABLE_ATAPI)
/**
*
* @sci_dev: The device to be checked.
*
* This method check the signature fis of a stp device to decide whether a
* device is atapi or not. true if a device is atapi device. False if a device
* is not atapi.
*/
bool scic_sds_remote_device_is_atapi(
struct scic_sds_remote_device *sci_dev)
{
if (!sci_dev->target_protocols.u.bits.attached_stp_target)
return false;
else if (sci_dev->is_direct_attached) {
struct scic_sds_phy *phy;
struct scic_sata_phy_properties properties;
struct sata_fis_reg_d2h *signature_fis;
phy = scic_sds_port_get_a_connected_phy(sci_dev->owning_port);
scic_sata_phy_get_properties(phy, &properties);
/* decode the signature fis. */
signature_fis = &(properties.signature_fis);
if ((signature_fis->sector_count == 0x01)
&& (signature_fis->lba_low == 0x01)
&& (signature_fis->lba_mid == 0x14)
&& (signature_fis->lba_high == 0xEB)
&& ((signature_fis->device & 0x5F) == 0x00)
) {
/* An ATA device supporting the PACKET command set. */
return true;
} else
return false;
} else {
/* Expander supported ATAPI device is not currently supported. */
return false;
}
}
#endif
/**
*
* @user_parameter: This is cast to a remote device object.

38
drivers/scsi/isci/remote_device.h
Просмотреть файл

@ -105,14 +105,6 @@ struct scic_sds_remote_device {
*/
bool is_direct_attached;
#if !defined(DISABLE_ATAPI)
/**
* This filed is assinged the value of true if the device is an ATAPI
* device.
*/
bool is_atapi;
#endif
/**
* This filed contains a pointer back to the port to which this device
* is assigned.
@ -254,22 +246,7 @@ enum sci_status scic_remote_device_reset_complete(
enum sas_linkrate scic_remote_device_get_connection_rate(
struct scic_sds_remote_device *remote_device);
#if !defined(DISABLE_ATAPI)
/**
* scic_remote_device_is_atapi() -
* @this_device: The device whose type is to be decided.
*
* This method first decide whether a device is a stp target, then decode the
* signature fis of a DA STP device to tell whether it is a standard end disk
* or an ATAPI device. bool Indicate a device is ATAPI device or not.
*/
bool scic_remote_device_is_atapi(
struct scic_sds_remote_device *device_handle);
#else /* !defined(DISABLE_ATAPI) */
#define scic_remote_device_is_atapi(device_handle) false
#endif /* !defined(DISABLE_ATAPI) */
/**
* enum scic_sds_remote_device_states - This enumeration depicts all the states
@ -405,16 +382,6 @@ enum scic_sds_stp_remote_device_ready_substates {
*/
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR,
#if !defined(DISABLE_ATAPI)
/**
* This is the ATAPI error state for the STP ATAPI remote device. This state is
* entered when ATAPI device sends error status FIS without data while the device
* object is in CMD state. A suspension event is expected in this state. The device
* object will resume right away.
*/
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_ATAPI_ERROR,
#endif
/**
* This is the READY substate indicates the device is waiting for the RESET task
* coming to be recovered from certain hardware specific error.
@ -727,12 +694,7 @@ void scic_sds_remote_device_post_request(
struct scic_sds_remote_device *sci_dev,
u32 request);
#if !defined(DISABLE_ATAPI)
bool scic_sds_remote_device_is_atapi(
struct scic_sds_remote_device *sci_dev);
#else /* !defined(DISABLE_ATAPI) */
#define scic_sds_remote_device_is_atapi(sci_dev) false
#endif /* !defined(DISABLE_ATAPI) */
void scic_sds_remote_device_start_request(
struct scic_sds_remote_device *sci_dev,

94
drivers/scsi/isci/stp_remote_device.c
Просмотреть файл

@ -483,47 +483,6 @@ static enum sci_status scic_sds_stp_remote_device_ready_await_reset_substate_com
return status;
}
#if !defined(DISABLE_ATAPI)
/*
* *****************************************************************************
* * STP REMOTE DEVICE READY ATAPI ERROR SUBSTATE HANDLERS
* ***************************************************************************** */
/**
*
* @[in]: device The device received event.
* @[in]: event_code The event code.
*
* This method will handle the event for a ATAPI device that is in the ATAPI
* ERROR state. We pick up suspension events to handle specifically to this
* state. We resume the RNC right away. We then complete the outstanding IO to
* this device. enum sci_status
*/
enum sci_status scic_sds_stp_remote_device_ready_atapi_error_substate_event_handler(
struct scic_sds_remote_device *sci_dev,
u32 event_code)
{
enum sci_status status;
status = scic_sds_remote_device_general_event_handler(sci_dev, event_code);
if (status == SCI_SUCCESS) {
if (scu_get_event_type(event_code) == SCU_EVENT_TYPE_RNC_SUSPEND_TX
|| scu_get_event_type(event_code) == SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX) {
status = scic_sds_remote_node_context_resume(
sci_dev->rnc,
sci_dev->working_request->state_handlers->parent.complete_handler,
(void *)sci_dev->working_request
);
}
}
return status;
}
#endif /* !defined(DISABLE_ATAPI) */
/* --------------------------------------------------------------------------- */
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,
@ -593,25 +552,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_stp_remote_dev
.event_handler = scic_sds_remote_device_general_event_handler,
.frame_handler = scic_sds_remote_device_general_frame_handler
},
#if !defined(DISABLE_ATAPI)
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_ATAPI_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_stp_remote_device_ready_atapi_error_substate_event_handler,
.frame_handler = scic_sds_remote_device_general_frame_handler
},
#endif
[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,
@ -764,35 +704,6 @@ static void scic_sds_stp_remote_device_ready_await_reset_substate_enter(
);
}
#if !defined(DISABLE_ATAPI)
/*
* *****************************************************************************
* * STP REMOTE DEVICE READY ATAPI ERROR SUBSTATE
* ***************************************************************************** */
/**
* The enter routine to READY ATAPI ERROR substate.
* @device: This is the SCI base object which is cast into a
* struct scic_sds_remote_device object.
*
*/
void scic_sds_stp_remote_device_ready_atapi_error_substate_enter(
struct sci_base_object *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_ATAPI_ERROR
);
}
#endif /* !defined(DISABLE_ATAPI) */
/* --------------------------------------------------------------------------- */
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,
@ -806,11 +717,6 @@ const struct sci_base_state scic_sds_stp_remote_device_ready_substate_table[] =
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR] = {
.enter_state = scic_sds_stp_remote_device_ready_ncq_error_substate_enter,
},
#if !defined(DISABLE_ATAPI)
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_ATAPI_ERROR] = {
.enter_state = scic_sds_stp_remote_device_ready_atapi_error_substate_enter,
},
#endif
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_AWAIT_RESET] = {
.enter_state = scic_sds_stp_remote_device_ready_await_reset_substate_enter,
},