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/*-
* 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.
*
* 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.
*
* $FreeBSD: release/9.1.0/sys/dev/isci/scil/scif_sas_sati_binding.h 239741 2012-08-27 18:10:25Z jimharris $
*/
#ifndef _SCIF_SAS_SATI_BINDING_H_
#define _SCIF_SAS_SATI_BINDING_H_
/**
* @file
*
* @brief This file contains the SATI (SCSI to ATA Translation Implementation)
* callback implementations that can be implemented by the SCI
* Framework (or core in some cases).
*/
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
#include <dev/isci/scil/scif_user_callback.h>
#include <dev/isci/scil/scif_io_request.h>
#include <dev/isci/scil/scif_remote_device.h>
#include <dev/isci/scil/scic_user_callback.h>
#include <dev/isci/scil/scic_io_request.h>
#include <dev/isci/scil/scic_remote_device.h>
//#include <dev/isci/scil/scic_sds_request.h>
//#include <dev/isci/scil/scu_task_context.h>
#include <dev/isci/scil/sci_object.h>
#include <dev/isci/scil/scif_sas_request.h>
#include <dev/isci/scil/sci_base_memory_descriptor_list.h>
#include <dev/isci/scil/scif_sas_stp_remote_device.h>
#include <dev/isci/scil/scif_sas_remote_device.h>
#include <dev/isci/scil/scif_sas_domain.h>
#include <dev/isci/scil/scif_sas_controller.h>
#include <dev/isci/scil/scic_sds_request.h>
#include <dev/isci/sci_environment.h>
// SATI callbacks fulfilled by the framework user.
#define sati_cb_get_data_byte(scsi_io, byte_offset, value) \
{ \
U8 * virtual_address = scif_cb_io_request_get_virtual_address_from_sgl( \
sci_object_get_association(scsi_io),(byte_offset)\
); \
*(value) = *(virtual_address); \
}
#define sati_cb_set_data_byte(scsi_io, byte_offset, value) \
{ \
U8 * virtual_address = scif_cb_io_request_get_virtual_address_from_sgl( \
sci_object_get_association(scsi_io),(byte_offset)\
); \
*(virtual_address) = value; \
}
#define sati_cb_get_cdb_address(scsi_io) \
scif_cb_io_request_get_cdb_address(sci_object_get_association(scsi_io))
#define sati_cb_get_cdb_length(scsi_io) \
scif_cb_io_request_get_cdb_length(sci_object_get_association(scsi_io))
#define sati_cb_get_data_direction(scsi_io, sati_data_direction) \
{ \
SCI_IO_REQUEST_DATA_DIRECTION sci_data_direction = \
scif_cb_io_request_get_data_direction( \
sci_object_get_association(scsi_io) \
); \
if (sci_data_direction == SCI_IO_REQUEST_DATA_IN) \
*(sati_data_direction) = SATI_DATA_DIRECTION_IN; \
else if (sci_data_direction == SCI_IO_REQUEST_DATA_OUT) \
*(sati_data_direction) = SATI_DATA_DIRECTION_OUT; \
else if (sci_data_direction == SCI_IO_REQUEST_NO_DATA) \
*(sati_data_direction) = SATI_DATA_DIRECTION_NONE; \
}
#define sati_cb_get_lun(scsi_io) \
scif_cb_io_request_get_lun(sci_object_get_association(scsi_io))
// SATI callbacks fulfilled by the framework.
/**
* This method implements the functionality necessary to fulfill the
* SCSI-to-ATA Translation requirements. It ensures that the SAS
* address for the remote device associated with the supplied IO
* is written into the sas_address parameter.
* For more information on the parameters utilized in this method,
* please refer to sati_cb_device_get_sas_address().
*/
#define sati_cb_device_get_sas_address(scsi_io, sas_address) \
{ \
SCIF_SAS_REQUEST_T* fw_request = (SCIF_SAS_REQUEST_T*)scsi_io; \
SCI_REMOTE_DEVICE_HANDLE_T scic_device \
= scif_remote_device_get_scic_handle(fw_request->device); \
scic_remote_device_get_sas_address(scic_device, sas_address); \
}
#define sati_cb_device_get_request_by_ncq_tag(scsi_io, ncq_tag, matching_req) \
{ \
SCIF_SAS_REQUEST_T* fw_request = (SCIF_SAS_REQUEST_T*)scsi_io; \
SCIF_SAS_REMOTE_DEVICE_T* fw_device = fw_request->device; \
matching_req = scif_sas_stp_remote_device_get_request_by_ncq_tag(fw_device, ncq_tag); \
}
#define sati_cb_io_request_complete(scsi_io, completion_status) \
{ \
SCIF_SAS_REQUEST_T* fw_request = (SCIF_SAS_REQUEST_T*)scsi_io; \
SCIF_SAS_REMOTE_DEVICE_T* fw_device = fw_request->device; \
SCIF_SAS_DOMAIN_T* fw_domain = fw_device->domain; \
SCIF_SAS_CONTROLLER_T* fw_controller = fw_domain->controller; \
scif_cb_io_request_complete( \
fw_controller, fw_device, fw_request, completion_status \
); \
}
#define sati_cb_get_response_iu_address scif_io_request_get_response_iu_address
#define sati_cb_get_task_function scic_cb_ssp_task_request_get_function
#define sati_cb_get_ata_data_address(the_ata_io) \
scic_io_request_get_rx_frame( \
scif_io_request_get_scic_handle((the_ata_io)), 0 \
)
#define sati_cb_get_h2d_register_fis_address(the_ata_io) \
(U8*) scic_stp_io_request_get_h2d_reg_address( \
scif_io_request_get_scic_handle((the_ata_io)) \
)
#define sati_cb_get_d2h_register_fis_address(the_ata_io) \
(U8*) scic_stp_io_request_get_d2h_reg_address( \
scif_io_request_get_scic_handle((the_ata_io)) \
)
#define sati_cb_allocate_dma_buffer(scsi_io, length, virt_address, phys_address_low, phys_address_high) \
{ \
SCIF_SAS_REQUEST_T* fw_request = (SCIF_SAS_REQUEST_T*)scsi_io; \
SCI_PHYSICAL_MEMORY_DESCRIPTOR_T mde; \
mde.virtual_address = NULL; \
sci_base_mde_construct( \
&mde, 4, length, SCI_MDE_ATTRIBUTE_PHYSICALLY_CONTIGUOUS \
); \
scif_cb_controller_allocate_memory( \
fw_request->device->domain->controller, &mde \
); \
*(virt_address) = mde.virtual_address; \
*(phys_address_low) = sci_cb_physical_address_lower(mde.physical_address); \
*(phys_address_high) = sci_cb_physical_address_upper(mde.physical_address); \
}
#define sati_cb_free_dma_buffer(scsi_io, virt_address) \
{ \
SCIF_SAS_REQUEST_T* fw_request = (SCIF_SAS_REQUEST_T*)scsi_io; \
SCI_PHYSICAL_MEMORY_DESCRIPTOR_T mde; \
mde.virtual_address = virt_address; \
sci_base_mde_construct( \
&mde, 4, 0, SCI_MDE_ATTRIBUTE_PHYSICALLY_CONTIGUOUS \
); \
scif_cb_controller_free_memory( \
fw_request->device->domain->controller, &mde \
); \
}
#define sati_cb_sgl_next_sge(scsi_io, ata_io, current_sge, next_sge) \
{ \
/* For now just 2 SGEs are supported. */ \
SCIC_SDS_REQUEST_T *scic_request; \
SCU_SGL_ELEMENT_PAIR_T *sgl_pair; \
scic_request = scif_io_request_get_scic_handle((scsi_io)); \
sgl_pair = scic_sds_request_get_sgl_element_pair(scic_request, 0); \
\
if ((current_sge) == NULL) \
{ \
*(next_sge) = &(sgl_pair->A); \
} \
else \
{ \
*(next_sge) = &(sgl_pair->B); \
} \
}
#define sati_cb_sge_write(current_sge, phys_address_low, phys_address_high, byte_length) \
{ \
SCU_SGL_ELEMENT_T * scu_sge = (SCU_SGL_ELEMENT_T*) (current_sge); \
scu_sge->address_upper = (phys_address_high); \
scu_sge->address_lower = (phys_address_low); \
scu_sge->length = (byte_length); \
scu_sge->address_modifier = 0; \
}
#define sati_cb_do_translate_response(request) \
(request)->stp.sequence.is_translate_response_required
#ifdef __cplusplus
}
#endif // __cplusplus
#endif // _SCIF_SAS_SATI_BINDING_H_