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 * 40 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 41 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 42 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 43 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 44 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 46 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 47 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 48 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 49 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 50 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 51 * 52 * $FreeBSD$ 53 */ 54 #ifndef _SCIF_SAS_INTERNAL_REQUEST_H_ 55 #define _SCIF_SAS_INTERNAL_REQUEST_H_ 56 57 /** 58 * @file 59 * 60 * @brief This file contains the protected interface structures, constants, 61 * and methods for the SCIF_SAS_INTERNAL_REQUEST object. 62 */ 63 64 #ifdef __cplusplus 65 extern "C" { 66 #endif // __cplusplus 67 68 69 #include <dev/isci/scil/scif_io_request.h> 70 #include <dev/isci/scil/sci_base_request.h> 71 #include <dev/isci/scil/scif_sas_request.h> 72 #include <dev/isci/scil/scif_sas_io_request.h> 73 #include <dev/isci/scil/scif_sas_remote_device.h> 74 #include <dev/isci/scil/intel_sas.h> 75 #include <dev/isci/scil/sci_controller_constants.h> 76 77 struct SCIF_SAS_CONTROLLER; 78 79 /** 80 * This constant dictates the maximum number of internal framework 81 * IO request objects. These objects are used for internal SMP requests 82 * and for NCQ error handling. 83 */ 84 #define SCIF_SAS_MAX_INTERNAL_REQUEST_COUNT (SCI_MAX_DOMAINS*4) 85 86 /** 87 * This constant dictates the minimum number of internal framework 88 * IO request objects when size-constrained. 89 */ 90 #define SCIF_SAS_MIN_INTERNAL_REQUEST_COUNT (SCI_MAX_DOMAINS) 91 92 /* 93 * This constant indicates the timeout value of an internal IO request 94 * in mili-seconds. 95 */ 96 #define SCIF_SAS_INTERNAL_REQUEST_TIMEOUT 3000 97 98 /** 99 * @struct SCIF_SAS_INTERNAL_IO_REQUEST 100 * 101 * @brief The SCIF_SAS_INTERNAL_IO_REQUEST object represents the internal SAS 102 * IO request behavior for the framework component. 103 */ 104 typedef struct SCIF_SAS_INTERNAL_IO_REQUEST 105 { 106 /** 107 * The SCIF_SAS_IO_REQUEST is the parent object for the 108 * SCIF_SAS_INTERNAL_IO_REQUEST object. 109 */ 110 SCIF_SAS_IO_REQUEST_T parent; 111 112 /** 113 * This field will be utilized only by internal IO to handle timeout 114 * situation. 115 */ 116 void * internal_io_timer; 117 118 }SCIF_SAS_INTERNAL_IO_REQUEST_T; 119 120 121 U32 scif_sas_internal_request_get_object_size( 122 void 123 ); 124 125 SCI_STATUS scif_sas_internal_io_request_construct_smp( 126 struct SCIF_SAS_CONTROLLER * fw_controller, 127 SCIF_SAS_REMOTE_DEVICE_T * fw_remote_device, 128 void * internal_io_memory, 129 U16 io_tag, 130 SMP_REQUEST_T * smp_command 131 ); 132 133 SCI_STATUS scif_sas_internal_io_request_construct_stp( 134 SCIF_SAS_INTERNAL_IO_REQUEST_T * fw_io 135 ); 136 137 void scif_sas_internal_io_request_timeout_handler( 138 void * fw_io 139 ); 140 141 void scif_sas_internal_io_request_complete( 142 struct SCIF_SAS_CONTROLLER * fw_controller, 143 SCIF_SAS_INTERNAL_IO_REQUEST_T * fw_io, 144 SCI_STATUS completion_status 145 ); 146 147 void scif_sas_internal_io_request_destruct( 148 struct SCIF_SAS_CONTROLLER * fw_controller, 149 SCIF_SAS_INTERNAL_IO_REQUEST_T * fw_internal_io 150 ); 151 152 #ifdef __cplusplus 153 } 154 #endif // __cplusplus 155 156 #endif // _SCIF_SAS_IO_REQUEST_H_ 157 158