drivers/scsi/isci/core/scic_sds_stp_packet_request.h

   1 /*
   2  * This file is provided under a dual BSD/GPLv2 license.  When using or
   3  * redistributing this file, you may do so under either license.
   4  *
   5  * GPL LICENSE SUMMARY
   6  *
   7  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of version 2 of the GNU General Public License as
  11  * published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  21  * The full GNU General Public License is included in this distribution
  22  * in the file called LICENSE.GPL.
  23  *
  24  * BSD LICENSE
  25  *
  26  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
  27  * All rights reserved.
  28  *
  29  * Redistribution and use in source and binary forms, with or without
  30  * modification, are permitted provided that the following conditions
  31  * are met:
  32  *
  33  *   * Redistributions of source code must retain the above copyright
  34  *     notice, this list of conditions and the following disclaimer.
  35  *   * Redistributions in binary form must reproduce the above copyright
  36  *     notice, this list of conditions and the following disclaimer in
  37  *     the documentation and/or other materials provided with the
  38  *     distribution.
  39  *   * Neither the name of Intel Corporation nor the names of its
  40  *     contributors may be used to endorse or promote products derived
  41  *     from this software without specific prior written permission.
  42  *
  43  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  44  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  45  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  46  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  47  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  48  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  49  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  50  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  51  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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  53  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  54  */
  55 #ifndef _SCIC_SDS_STP_PACKET_REQUEST_H_
  56 #define _SCIC_SDS_STP_PACKET_REQUEST_H_
  57
  58 #include "intel_sas.h"
  59 #include "scic_sds_stp_request.h"
  60
  61 /**
  62  * This file contains the structures and constants for PACKET protocol requests.
  63  *
  64  *
  65  */
  66
  67
  68 /**
  69  *
  70  *
  71  * This is the enumeration of the SATA PIO DATA IN started substate machine.
  72  */
  73 enum _scic_sds_stp_packet_request_started_substates {
  74         /**
  75          * While in this state the IO request object is waiting for the TC completion
  76          * notification for the H2D Register FIS
  77          */
  78         SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_TC_COMPLETION_SUBSTATE,
  79
  80         /**
  81          * While in this state the IO request object is waiting for either a PIO Setup.
  82          */
  83         SCIC_SDS_STP_PACKET_REQUEST_STARTED_PACKET_PHASE_AWAIT_PIO_SETUP_SUBSTATE,
  84
  85         /**
  86          * While in this state the IO request object is waiting for TC completion for
  87          * the Packet DMA DATA fis or Raw Frame.
  88          */
  89         SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_TC_COMPLETION_SUBSTATE,
  90
  91         /**
  92          * The non-data IO transit to this state in this state after receiving TC
  93          * completion. While in this state IO request object is waiting for D2H status
  94          * frame as UF.
  95          */
  96         SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMMAND_PHASE_AWAIT_D2H_FIS_SUBSTATE,
  97
  98         /**
  99          * The IO transit to this state in this state if the previous TC completion status
 100          * is not success and the atapi device is suspended due to target device failed the IO.
 101          * While in this state IO request object is waiting for device coming out of the
 102          * suspension state then complete the IO.
 103          */
 104         SCIC_SDS_STP_PACKET_REQUEST_STARTED_COMPLETION_DELAY_SUBSTATE,
 105 };
 106
 107
 108
 109 #if !defined(DISABLE_ATAPI)
 110 extern const struct sci_base_state scic_sds_stp_packet_request_started_substate_table[];
 111 extern const struct scic_sds_io_request_state_handler scic_sds_stp_packet_request_started_substate_handler_table[];
 112 #endif /* !defined(DISABLE_ATAPI) */
 113
 114 #if !defined(DISABLE_ATAPI)
 115 enum sci_status scic_sds_stp_packet_request_construct(
 116         struct scic_sds_request *sci_req);
 117 #else  /* !defined(DISABLE_ATAPI) */
 118 #define scic_sds_stp_packet_request_construct(request) SCI_FAILURE
 119 #endif /* !defined(DISABLE_ATAPI) */
 120
 121 #if !defined(DISABLE_ATAPI)
 122 void scu_stp_packet_request_command_phase_construct_task_context(
 123         struct scic_sds_request *sci_req,
 124         struct scu_task_context *task_context);
 125 #else  /* !defined(DISABLE_ATAPI) */
 126 #define scu_stp_packet_request_command_phase_construct_task_context(reqeust, tc)
 127 #endif /* !defined(DISABLE_ATAPI) */
 128
 129 #if !defined(DISABLE_ATAPI)
 130 void scu_stp_packet_request_command_phase_reconstruct_raw_frame_task_context(
 131         struct scic_sds_request *sci_req,
 132         struct scu_task_context *task_context);
 133 #else  /* !defined(DISABLE_ATAPI) */
 134 #define scu_stp_packet_request_command_phase_reconstruct_raw_frame_task_context(reqeust, tc)
 135 #endif /* !defined(DISABLE_ATAPI) */
 136
 137 #if !defined(DISABLE_ATAPI)
 138 enum sci_status scic_sds_stp_packet_request_process_status_fis(
 139         struct scic_sds_request *sci_req,
 140         struct sata_fis_reg_d2h *status_fis);
 141 #else  /* !defined(DISABLE_ATAPI) */
 142 #define scic_sds_stp_packet_request_process_status_fis(reqeust, fis) SCI_FAILURE
 143 #endif /* !defined(DISABLE_ATAPI) */
 144
 145 #if !defined(DISABLE_ATAPI)
 146 void scic_sds_stp_packet_internal_request_sense_build_sgl(
 147         struct scic_sds_request *sci_req);
 148 #else  /* !defined(DISABLE_ATAPI) */
 149 #define scic_sds_stp_packet_internal_request_sense_build_sgl(request)
 150 #endif /* !defined(DISABLE_ATAPI) */
 151
 152 #endif /* _SCIC_SDS_STP_PACKET_REQUEST_H_ */
 153