1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0 3 * 4 * This file is provided under a dual BSD/GPLv2 license. When using or 5 * redistributing this file, you may do so under either license. 6 * 7 * GPL LICENSE SUMMARY 8 * 9 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of version 2 of the GNU General Public License as 13 * published by the Free Software Foundation. 14 * 15 * This program is distributed in the hope that it will be useful, but 16 * WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 23 * The full GNU General Public License is included in this distribution 24 * in the file called LICENSE.GPL. 25 * 26 * BSD LICENSE 27 * 28 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 29 * All rights reserved. 30 * 31 * Redistribution and use in source and binary forms, with or without 32 * modification, are permitted provided that the following conditions 33 * are met: 34 * 35 * * Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * * Redistributions in binary form must reproduce the above copyright 38 * notice, this list of conditions and the following disclaimer in 39 * the documentation and/or other materials provided with the 40 * distribution. 41 * 42 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 43 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 44 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 45 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 46 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 47 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 48 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 49 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 50 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 51 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 52 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 53 */ 54 #ifndef _SCIC_SDS_SATA_PIO_REQUEST_H_ 55 #define _SCIC_SDS_SATA_PIO_REQUEST_H_ 56 57 #ifdef __cplusplus 58 extern "C" { 59 #endif // __cplusplus 60 61 #include <dev/isci/scil/sci_base_state.h> 62 #include <dev/isci/scil/scic_sds_request.h> 63 #include <dev/isci/scil/scu_task_context.h> 64 65 /** 66 * @file 67 * 68 * @brief This file contains the structures and constants for SATA PIO 69 * requests. 70 */ 71 72 73 /** 74 * @enum 75 * 76 * This is the enumeration of the SATA PIO DATA IN started substate machine. 77 */ 78 enum _SCIC_SDS_STP_REQUEST_STARTED_PIO_SUBSTATES 79 { 80 /** 81 * While in this state the IO request object is waiting for the TC completion 82 * notification for the H2D Register FIS 83 */ 84 SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_H2D_COMPLETION_SUBSTATE, 85 86 /** 87 * While in this state the IO request object is waiting for either a PIO Setup 88 * FIS or a D2H register FIS. The type of frame received is based on the 89 * result of the prior frame and line conditions. 90 */ 91 SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_FRAME_SUBSTATE, 92 93 /** 94 * While in this state the IO request object is waiting for a DATA frame from 95 * the device. 96 */ 97 SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_IN_AWAIT_DATA_SUBSTATE, 98 99 /** 100 * While in this state the IO request object is waiting to transmit the next data 101 * frame to the device. 102 */ 103 SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_OUT_TRANSMIT_DATA_SUBSTATE, 104 105 SCIC_SDS_STP_REQUEST_STARTED_PIO_MAX_SUBSTATES 106 }; 107 108 109 110 111 // --------------------------------------------------------------------------- 112 113 extern SCIC_SDS_IO_REQUEST_STATE_HANDLER_T 114 scic_sds_stp_request_started_pio_substate_handler_table[ 115 SCIC_SDS_STP_REQUEST_STARTED_PIO_MAX_SUBSTATES]; 116 117 extern SCI_BASE_STATE_T 118 scic_sds_stp_request_started_pio_substate_table[ 119 SCIC_SDS_STP_REQUEST_STARTED_PIO_MAX_SUBSTATES]; 120 121 // --------------------------------------------------------------------------- 122 123 SCU_SGL_ELEMENT_T * scic_sds_stp_request_pio_get_next_sgl( 124 SCIC_SDS_STP_REQUEST_T * this_request 125 ); 126 127 #ifdef __cplusplus 128 } 129 #endif // __cplusplus 130 131 #endif // _SCIC_SDS_SATA_PIO_REQUEST_H_ 132