254 lines
12 KiB
C
254 lines
12 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 _SCIF_SAS_SATI_BINDING_H_
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#define _SCIF_SAS_SATI_BINDING_H_
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/**
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* @file
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*
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* @brief This file contains the SATI (SCSI to ATA Translation Implementation)
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* callback implementations that can be implemented by the SCI
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* Framework (or core in some cases).
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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#include <dev/isci/scil/scif_user_callback.h>
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#include <dev/isci/scil/scif_io_request.h>
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#include <dev/isci/scil/scif_remote_device.h>
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#include <dev/isci/scil/scic_user_callback.h>
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#include <dev/isci/scil/scic_io_request.h>
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#include <dev/isci/scil/scic_remote_device.h>
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//#include <dev/isci/scil/scic_sds_request.h>
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//#include <dev/isci/scil/scu_task_context.h>
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#include <dev/isci/scil/sci_object.h>
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#include <dev/isci/scil/scif_sas_request.h>
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#include <dev/isci/scil/sci_base_memory_descriptor_list.h>
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#include <dev/isci/scil/scif_sas_stp_remote_device.h>
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#include <dev/isci/scil/scif_sas_remote_device.h>
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#include <dev/isci/scil/scif_sas_domain.h>
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#include <dev/isci/scil/scif_sas_controller.h>
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#include <dev/isci/scil/scic_sds_request.h>
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#include <dev/isci/sci_environment.h>
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// SATI callbacks fulfilled by the framework user.
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#define sati_cb_get_data_byte(scsi_io, byte_offset, value) \
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{ \
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U8 * virtual_address = scif_cb_io_request_get_virtual_address_from_sgl( \
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sci_object_get_association(scsi_io),(byte_offset)\
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); \
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*(value) = *(virtual_address); \
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}
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#define sati_cb_set_data_byte(scsi_io, byte_offset, value) \
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{ \
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U8 * virtual_address = scif_cb_io_request_get_virtual_address_from_sgl( \
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sci_object_get_association(scsi_io),(byte_offset)\
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); \
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*(virtual_address) = value; \
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}
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#define sati_cb_get_cdb_address(scsi_io) \
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scif_cb_io_request_get_cdb_address(sci_object_get_association(scsi_io))
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#define sati_cb_get_cdb_length(scsi_io) \
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scif_cb_io_request_get_cdb_length(sci_object_get_association(scsi_io))
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#define sati_cb_get_data_direction(scsi_io, sati_data_direction) \
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{ \
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SCI_IO_REQUEST_DATA_DIRECTION sci_data_direction = \
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scif_cb_io_request_get_data_direction( \
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sci_object_get_association(scsi_io) \
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); \
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if (sci_data_direction == SCI_IO_REQUEST_DATA_IN) \
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*(sati_data_direction) = SATI_DATA_DIRECTION_IN; \
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else if (sci_data_direction == SCI_IO_REQUEST_DATA_OUT) \
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*(sati_data_direction) = SATI_DATA_DIRECTION_OUT; \
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else if (sci_data_direction == SCI_IO_REQUEST_NO_DATA) \
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*(sati_data_direction) = SATI_DATA_DIRECTION_NONE; \
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}
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#define sati_cb_get_lun(scsi_io) \
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scif_cb_io_request_get_lun(sci_object_get_association(scsi_io))
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// SATI callbacks fulfilled by the framework.
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/**
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* This method implements the functionality necessary to fulfill the
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* SCSI-to-ATA Translation requirements. It ensures that the SAS
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* address for the remote device associated with the supplied IO
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* is written into the sas_address parameter.
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* For more information on the parameters utilized in this method,
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* please refer to sati_cb_device_get_sas_address().
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*/
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#define sati_cb_device_get_sas_address(scsi_io, sas_address) \
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{ \
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SCIF_SAS_REQUEST_T* fw_request = (SCIF_SAS_REQUEST_T*)scsi_io; \
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SCI_REMOTE_DEVICE_HANDLE_T scic_device \
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= scif_remote_device_get_scic_handle(fw_request->device); \
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scic_remote_device_get_sas_address(scic_device, sas_address); \
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}
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#define sati_cb_device_get_request_by_ncq_tag(scsi_io, ncq_tag, matching_req) \
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{ \
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SCIF_SAS_REQUEST_T* fw_request = (SCIF_SAS_REQUEST_T*)scsi_io; \
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SCIF_SAS_REMOTE_DEVICE_T* fw_device = fw_request->device; \
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matching_req = scif_sas_stp_remote_device_get_request_by_ncq_tag(fw_device, ncq_tag); \
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}
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#define sati_cb_io_request_complete(scsi_io, completion_status) \
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{ \
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SCIF_SAS_REQUEST_T* fw_request = (SCIF_SAS_REQUEST_T*)scsi_io; \
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SCIF_SAS_REMOTE_DEVICE_T* fw_device = fw_request->device; \
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SCIF_SAS_DOMAIN_T* fw_domain = fw_device->domain; \
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SCIF_SAS_CONTROLLER_T* fw_controller = fw_domain->controller; \
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scif_cb_io_request_complete( \
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fw_controller, fw_device, fw_request, completion_status \
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); \
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}
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#define sati_cb_get_response_iu_address scif_io_request_get_response_iu_address
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#define sati_cb_get_task_function scic_cb_ssp_task_request_get_function
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#define sati_cb_get_ata_data_address(the_ata_io) \
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scic_io_request_get_rx_frame( \
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scif_io_request_get_scic_handle((the_ata_io)), 0 \
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)
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#define sati_cb_get_h2d_register_fis_address(the_ata_io) \
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(U8*) scic_stp_io_request_get_h2d_reg_address( \
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scif_io_request_get_scic_handle((the_ata_io)) \
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)
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#define sati_cb_get_d2h_register_fis_address(the_ata_io) \
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(U8*) scic_stp_io_request_get_d2h_reg_address( \
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scif_io_request_get_scic_handle((the_ata_io)) \
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)
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#define sati_cb_allocate_dma_buffer(scsi_io, length, virt_address, phys_address_low, phys_address_high) \
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{ \
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SCIF_SAS_REQUEST_T* fw_request = (SCIF_SAS_REQUEST_T*)scsi_io; \
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SCI_PHYSICAL_MEMORY_DESCRIPTOR_T mde; \
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SCI_PHYSICAL_ADDRESS phys_addr; \
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mde.virtual_address = NULL; \
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sci_cb_make_physical_address(mde.physical_address, 0, 0); \
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sci_base_mde_construct( \
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&mde, 4, length, SCI_MDE_ATTRIBUTE_PHYSICALLY_CONTIGUOUS \
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); \
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scif_cb_controller_allocate_memory( \
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fw_request->device->domain->controller, &mde \
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); \
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scic_cb_io_request_get_physical_address(fw_request->device->domain->controller, \
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NULL, \
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mde.virtual_address, \
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&phys_addr); \
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*(virt_address) = mde.virtual_address; \
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*(phys_address_low) = sci_cb_physical_address_lower(phys_addr); \
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*(phys_address_high) = sci_cb_physical_address_upper(phys_addr); \
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}
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#define sati_cb_free_dma_buffer(scsi_io, virt_address) \
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{ \
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SCIF_SAS_REQUEST_T* fw_request = (SCIF_SAS_REQUEST_T*)scsi_io; \
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SCI_PHYSICAL_MEMORY_DESCRIPTOR_T mde; \
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mde.virtual_address = virt_address; \
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sci_cb_make_physical_address(mde.physical_address, 0, 0); \
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sci_base_mde_construct( \
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&mde, 4, 0, SCI_MDE_ATTRIBUTE_PHYSICALLY_CONTIGUOUS \
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); \
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scif_cb_controller_free_memory( \
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fw_request->device->domain->controller, &mde \
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); \
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}
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#define sati_cb_sgl_next_sge(scsi_io, ata_io, current_sge, next_sge) \
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{ \
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/* For now just 2 SGEs are supported. */ \
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SCIC_SDS_REQUEST_T *scic_request; \
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SCU_SGL_ELEMENT_PAIR_T *sgl_pair; \
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scic_request = scif_io_request_get_scic_handle((scsi_io)); \
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sgl_pair = scic_sds_request_get_sgl_element_pair(scic_request, 0); \
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\
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if ((current_sge) == NULL) \
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{ \
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*(next_sge) = &(sgl_pair->A); \
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} \
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else \
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{ \
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*(next_sge) = &(sgl_pair->B); \
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} \
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}
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#define sati_cb_sge_write(current_sge, phys_address_low, phys_address_high, byte_length) \
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{ \
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SCU_SGL_ELEMENT_T * scu_sge = (SCU_SGL_ELEMENT_T*) (current_sge); \
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scu_sge->address_upper = (phys_address_high); \
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scu_sge->address_lower = (phys_address_low); \
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scu_sge->length = (byte_length); \
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scu_sge->address_modifier = 0; \
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}
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#define sati_cb_do_translate_response(request) \
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(request)->stp.sequence.is_translate_response_required
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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#endif // _SCIF_SAS_SATI_BINDING_H_
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