1/******************************************************************************* 2*Copyright (c) 2014 PMC-Sierra, Inc. All rights reserved. 3* 4*Redistribution and use in source and binary forms, with or without modification, are permitted provided 5*that the following conditions are met: 6*1. Redistributions of source code must retain the above copyright notice, this list of conditions and the 7*following disclaimer. 8*2. Redistributions in binary form must reproduce the above copyright notice, 9*this list of conditions and the following disclaimer in the documentation and/or other materials provided 10*with the distribution. 11* 12*THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED 13*WARRANTIES,INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 14*FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 15*FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 16*NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 17*BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 18*LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 19*SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE 20 21********************************************************************************/ 22/*******************************************************************************/ 23/** \file 24 * 25 * $RCSfile: ttdtxchg.h,v $ 26 * 27 * Copyright 2006 PMC-Sierra, Inc. 28 * 29 * 30 * #define and data structures for SAS target in SAS/SATA TD layer 31 * 32 */ 33 34typedef struct sas_resp_s 35{ 36 agsaSSPResponseInfoUnit_t agResp; 37 bit8 RespData[4]; 38 bit8 SenseData[64]; 39} sas_resp_t; 40 41typedef struct smp_resp_s 42{ 43 bit8 RespData[1024]; /* SAS Spec */ 44} smp_resp_t; 45 46 47typedef struct 48{ 49 bit8 *virtAddr; 50 bit32 phyAddrUpper; 51 bit32 phyAddrLower; 52 bit32 length; 53} ttdsaDmaMemoryArea_t; 54 55struct tdsaDeviceData_s; 56 57/* I/O structurre */ 58typedef struct ttdsaXchg_s 59{ 60 61 tdIORequestBody_t IORequestBody; /* has to be at the top */ 62 tdssSMPRequestBody_t SMPRequestBody; /* has to be at the second top */ 63 64 tdList_t XchgLinks; 65 /* pointer to device(initiator) for which the I/O was initiated */ 66 struct tdsaDeviceData_s *DeviceData; 67 struct ttdsaXchg_s *pTMResp; 68 bit32 oustandingIos; 69 bit32 isAborting; 70 bit32 oslayerAborting; 71 bit32 isTMRequest; 72 bit32 index; /* index of structure */ 73 agsaSSPCmdInfoUnit_t agSSPCmndIU; 74 agsaSSPScsiTaskMgntReq_t agTMIU; 75 /* SSPTargetRead/SSPTargetWrite */ 76 bit32 XchType; 77 bit32 FrameType; /* cmnd or TM */ 78 agsaRoot_t *agRoot; 79 tiRoot_t *tiRoot; 80 /* indicates that at the completion of this data phase, this 81 exchange structure will be freed */ 82 bit32 statusSent; 83 bit32 responseSent; 84 bit32 readRspCollapsed : 1; 85 bit32 wrtRspCollapsed : 1; 86 bit32 readWrtCollapsedRes : 30; 87 tiTargetScsiCmnd_t tiTgtScsiCmnd; 88 89 /* initiator tag a target received */ 90 bit16 tag; 91 bit64 dataLen; 92 bit32 respLen; 93 bit32 smprespLen; 94 ttdsaDmaMemoryArea_t resp; /* sas response */ 95 ttdsaDmaMemoryArea_t smpresp; /* sas smp response */ 96 bit32 usedEsgl; 97 /* for abort task io which is not founded in TD */ 98 bit32 io_found; 99 /* for debugging only */ 100 bit32 id; 101 /* PhyId for SMP*/ 102 bit32 SMPphyId; 103 bit32 state; 104 bit32 TLR; /* Transport Layer Retransmit bits */ 105 bit32 retries; /* retries */ 106 tiIORequest_t *tiIOToBeAbortedRequest; /* IO to be aborted */ 107 struct ttdsaXchg_s *XchgToBeAborted; /* Xchg to be aborted */ 108} ttdsaXchg_t; 109 110/************************************************************************* 111** now ttdssIOData_t and old tgtXchgData_t - 112**************************************************************************/ 113 114typedef struct ttdsaXchgData_s 115{ 116 bit32 maxNumXchgs; 117 tdList_t xchgFreeList; 118 tdList_t xchgBusyList; 119 bit32 noUsed; 120 bit32 noFreed; 121 bit32 noCmdRcvd; 122 bit32 noStartIo; 123 bit32 noSendRsp; 124 bit32 noCompleted; 125} ttdsaXchgData_t; 126 127 128