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Diffstat (limited to 'drivers/scsi/isci/stp_request.h')
| -rw-r--r-- | drivers/scsi/isci/stp_request.h | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/drivers/scsi/isci/stp_request.h b/drivers/scsi/isci/stp_request.h deleted file mode 100644 index eb14874ceda..00000000000 --- a/drivers/scsi/isci/stp_request.h +++ /dev/null @@ -1,195 +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 _SCIC_SDS_STP_REQUEST_T_ -#define _SCIC_SDS_STP_REQUEST_T_ - -#include <linux/dma-mapping.h> -#include <scsi/sas.h> - -struct scic_sds_stp_request { - union { - u32 ncq; - - u32 udma; - - struct scic_sds_stp_pio_request { - /** - * 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; - - struct scic_sds_request_pio_sgl { - struct scu_sgl_element_pair *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; -}; - -/** - * enum scic_sds_stp_request_started_udma_substates - 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, -}; - -/** - * enum scic_sds_stp_request_started_non_data_substates - 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, -}; - -/** - * enum scic_sds_stp_request_started_soft_reset_substates - 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, -}; - -/* This is the enumeration of the SATA PIO DATA IN started substate machine. */ -enum _scic_sds_stp_request_started_pio_substates { - /** - * While in this state the IO request object is waiting for the TC completion - * notification for the H2D Register FIS - */ - SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_H2D_COMPLETION_SUBSTATE, - - /** - * While in this state the IO request object is waiting for either a PIO Setup - * FIS or a D2H register FIS. The type of frame received is based on the - * result of the prior frame and line conditions. - */ - SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_FRAME_SUBSTATE, - - /** - * While in this state the IO request object is waiting for a DATA frame from - * the device. - */ - SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_IN_AWAIT_DATA_SUBSTATE, - - /** - * While in this state the IO request object is waiting to transmit the next data - * frame to the device. - */ - SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_OUT_TRANSMIT_DATA_SUBSTATE, -}; - -struct scic_sds_request; - -enum sci_status scic_sds_stp_pio_request_construct(struct scic_sds_request *sci_req, - bool copy_rx_frame); -enum sci_status scic_sds_stp_udma_request_construct(struct scic_sds_request *sci_req, - u32 transfer_length, - enum dma_data_direction dir); -enum sci_status scic_sds_stp_non_data_request_construct(struct scic_sds_request *sci_req); -enum sci_status scic_sds_stp_soft_reset_request_construct(struct scic_sds_request *sci_req); -enum sci_status scic_sds_stp_ncq_request_construct(struct scic_sds_request *sci_req, - u32 transfer_length, - enum dma_data_direction dir); -#endif /* _SCIC_SDS_STP_REQUEST_T_ */ |