xref: /freebsd/sys/dev/pms/RefTisa/tisa/sassata/sas/tgt/ttdtxchg.h (revision 43a5ec4eb41567cc92586503212743d89686d78f)
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 
34 typedef struct sas_resp_s
35 {
36   agsaSSPResponseInfoUnit_t    agResp;
37   bit8                         RespData[4];
38   bit8                         SenseData[64];
39 } sas_resp_t;
40 
41 typedef struct smp_resp_s
42 {
43   bit8                         RespData[1024]; /* SAS Spec */
44 } smp_resp_t;
45 
46 
47 typedef struct
48 {
49   bit8   *virtAddr;
50   bit32  phyAddrUpper;
51   bit32  phyAddrLower;
52   bit32  length;
53 } ttdsaDmaMemoryArea_t;
54 
55 struct tdsaDeviceData_s;
56 
57 /* I/O structurre */
58 typedef 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 
114 typedef 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