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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/scic_sds_stp_request.h 231689 2012-02-14 15:58:49Z jimharris $
*/
#ifndef _SCIC_SDS_STP_REQUEST_T_
#define _SCIC_SDS_STP_REQUEST_T_
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
#include <dev/isci/scil/intel_sata.h>
#include <dev/isci/scil/sci_types.h>
#include <dev/isci/scil/scic_sds_request.h>
/**
* @struct
*
* @brief This structure represents the additional information that is
* required to handle SATA PIO requests.
*/
typedef struct SCIC_SDS_STP_REQUEST
{
SCIC_SDS_REQUEST_T parent;
SATA_FIS_REG_D2H_T d2h_reg_fis;
union
{
U32 ncq;
U32 udma;
struct
{
/**
* Total transfer for the entire PIO request recorded at request constuction
* time.
*
* @todo Should we just decrement this value for each byte of data transitted
* or received to elemenate the current_transfer_bytes field?
*/
U32 total_transfer_bytes;
/**
* Total number of bytes received/transmitted in data frames since the start
* of the IO request. At the end of the IO request this should equal the
* total_transfer_bytes.
*/
U32 current_transfer_bytes;
/**
* The number of bytes requested in the in the PIO setup.
*/
U32 pio_transfer_bytes;
/**
* PIO Setup ending status value to tell us if we need to wait for another FIS
* or if the transfer is complete. On the receipt of a D2H FIS this will be
* the status field of that FIS.
*/
U8 ending_status;
/**
* On receipt of a D2H FIS this will be the ending error field if the
* ending_status has the SATA_STATUS_ERR bit set.
*/
U8 ending_error;
/**
* Protocol Type. This is filled in by core during IO Request construction type.
*/
U8 sat_protocol;
/**
* This field keeps track of sgl pair to be retrieved from OS memory for processing.
*/
U8 sgl_pair_index;
struct
{
SCU_SGL_ELEMENT_PAIR_T * sgl_pair;
U8 sgl_set;
U32 sgl_offset;
} request_current;
} pio;
struct
{
/**
* The number of bytes requested in the PIO setup before CDB data frame.
*/
U32 device_preferred_cdb_length;
} packet;
} type;
} SCIC_SDS_STP_REQUEST_T;
/**
* @enum SCIC_SDS_STP_REQUEST_STARTED_UDMA_SUBSTATES
*
* @brief This enumeration depicts the various sub-states associated with
* a SATA/STP UDMA protocol operation.
*/
enum SCIC_SDS_STP_REQUEST_STARTED_UDMA_SUBSTATES
{
SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_TC_COMPLETION_SUBSTATE,
SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_D2H_REG_FIS_SUBSTATE,
SCIC_SDS_STP_REQUEST_STARTED_UDMA_MAX_SUBSTATES
};
/**
* @enum SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_SUBSTATES
*
* @brief This enumeration depicts the various sub-states associated with
* a SATA/STP non-data protocol operation.
*/
enum SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_SUBSTATES
{
SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_H2D_COMPLETION_SUBSTATE,
SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_D2H_SUBSTATE,
SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_MAX_SUBSTATES
};
/**
* @enum SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_SUBSTATES
*
* @brief THis enumeration depicts the various sub-states associated with a
* SATA/STP soft reset operation.
*/
enum SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_SUBSTATES
{
SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_ASSERTED_COMPLETION_SUBSTATE,
SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_DIAGNOSTIC_COMPLETION_SUBSTATE,
SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_D2H_RESPONSE_FRAME_SUBSTATE,
SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_MAX_SUBSTATES
};
extern SCIC_SDS_IO_REQUEST_STATE_HANDLER_T
scic_sds_stp_request_started_udma_substate_handler_table
[SCIC_SDS_STP_REQUEST_STARTED_UDMA_MAX_SUBSTATES];
extern SCI_BASE_STATE_T
scic_sds_stp_request_started_udma_substate_table
[SCIC_SDS_STP_REQUEST_STARTED_UDMA_MAX_SUBSTATES];
extern SCIC_SDS_IO_REQUEST_STATE_HANDLER_T
scic_sds_stp_request_started_non_data_substate_handler_table
[SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_MAX_SUBSTATES];
extern SCI_BASE_STATE_T
scic_sds_stp_request_started_non_data_substate_table
[SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_MAX_SUBSTATES];
extern SCIC_SDS_IO_REQUEST_STATE_HANDLER_T
scic_sds_stp_request_started_soft_reset_substate_handler_table
[SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_MAX_SUBSTATES];
extern SCI_BASE_STATE_T
scic_sds_stp_request_started_soft_reset_substate_table
[SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_MAX_SUBSTATES];
// ---------------------------------------------------------------------------
U32 scic_sds_stp_request_get_object_size(void);
U32 scic_sds_stp_task_request_get_object_size(void);
void scu_sata_reqeust_construct_task_context(
SCIC_SDS_REQUEST_T * this_request,
SCU_TASK_CONTEXT_T * task_context
);
void scic_sds_stp_non_ncq_request_construct(
SCIC_SDS_REQUEST_T *this_request
);
SCI_STATUS scic_sds_stp_pio_request_construct(
SCIC_SDS_REQUEST_T * scic_io_request,
U8 sat_protocol,
BOOL copy_rx_frame
);
SCI_STATUS scic_sds_stp_pio_request_construct_pass_through (
SCIC_SDS_REQUEST_T * scic_io_request,
SCIC_STP_PASSTHRU_REQUEST_CALLBACKS_T *passthru_cb
);
SCI_STATUS scic_sds_stp_udma_request_construct(
SCIC_SDS_REQUEST_T * this_request,
U32 transfer_length,
SCI_IO_REQUEST_DATA_DIRECTION data_direction
);
SCI_STATUS scic_sds_stp_non_data_request_construct(
SCIC_SDS_REQUEST_T * this_request
);
SCI_STATUS scic_sds_stp_soft_reset_request_construct(
SCIC_SDS_REQUEST_T * this_request
);
SCI_STATUS scic_sds_stp_ncq_request_construct(
SCIC_SDS_REQUEST_T * this_request,
U32 transfer_length,
SCI_IO_REQUEST_DATA_DIRECTION data_direction
);
void scu_stp_raw_request_construct_task_context(
SCIC_SDS_STP_REQUEST_T * this_request,
SCU_TASK_CONTEXT_T * task_context
);
SCI_STATUS scic_sds_io_request_construct_sata(
SCIC_SDS_REQUEST_T * this_request,
U8 sat_protocol,
U32 transfer_length,
SCI_IO_REQUEST_DATA_DIRECTION data_direction,
BOOL copy_rx_frame,
BOOL do_translate_sgl
);
#ifdef __cplusplus
}
#endif // __cplusplus
#endif // _SCIC_SDS_STP_REQUEST_T_