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e351b826 PB |
1 | /* |
2 | * QEMU LSI SAS1068 Host Bus Adapter emulation | |
3 | * Endianness conversion for MPI data structures | |
4 | * | |
5 | * Copyright (c) 2016 Red Hat, Inc. | |
6 | * | |
7 | * Authors: Paolo Bonzini <pbonzini@redhat.com> | |
8 | * | |
9 | * This library is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU Lesser General Public | |
11 | * License as published by the Free Software Foundation; either | |
61f3c91a | 12 | * version 2.1 of the License, or (at your option) any later version. |
e351b826 PB |
13 | * |
14 | * This library is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * Lesser General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU Lesser General Public | |
20 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. | |
21 | */ | |
22 | ||
23 | #include "qemu/osdep.h" | |
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24 | #include "hw/pci/pci.h" |
25 | #include "sysemu/dma.h" | |
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26 | #include "hw/pci/msi.h" |
27 | #include "qemu/iov.h" | |
28 | #include "hw/scsi/scsi.h" | |
08e2c9f1 | 29 | #include "scsi/constants.h" |
e351b826 PB |
30 | #include "trace.h" |
31 | ||
32 | #include "mptsas.h" | |
33 | #include "mpi.h" | |
34 | ||
35 | static void mptsas_fix_sgentry_endianness(MPISGEntry *sge) | |
36 | { | |
97866508 | 37 | sge->FlagsLength = le32_to_cpu(sge->FlagsLength); |
e351b826 | 38 | if (sge->FlagsLength & MPI_SGE_FLAGS_64_BIT_ADDRESSING) { |
97866508 | 39 | sge->u.Address64 = le64_to_cpu(sge->u.Address64); |
e351b826 | 40 | } else { |
97866508 | 41 | sge->u.Address32 = le32_to_cpu(sge->u.Address32); |
e351b826 PB |
42 | } |
43 | } | |
44 | ||
45 | static void mptsas_fix_sgentry_endianness_reply(MPISGEntry *sge) | |
46 | { | |
47 | if (sge->FlagsLength & MPI_SGE_FLAGS_64_BIT_ADDRESSING) { | |
97866508 | 48 | sge->u.Address64 = cpu_to_le64(sge->u.Address64); |
e351b826 | 49 | } else { |
97866508 | 50 | sge->u.Address32 = cpu_to_le32(sge->u.Address32); |
e351b826 | 51 | } |
97866508 | 52 | sge->FlagsLength = cpu_to_le32(sge->FlagsLength); |
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53 | } |
54 | ||
55 | void mptsas_fix_scsi_io_endianness(MPIMsgSCSIIORequest *req) | |
56 | { | |
97866508 PM |
57 | req->MsgContext = le32_to_cpu(req->MsgContext); |
58 | req->Control = le32_to_cpu(req->Control); | |
59 | req->DataLength = le32_to_cpu(req->DataLength); | |
60 | req->SenseBufferLowAddr = le32_to_cpu(req->SenseBufferLowAddr); | |
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61 | } |
62 | ||
63 | void mptsas_fix_scsi_io_reply_endianness(MPIMsgSCSIIOReply *reply) | |
64 | { | |
97866508 PM |
65 | reply->MsgContext = cpu_to_le32(reply->MsgContext); |
66 | reply->IOCStatus = cpu_to_le16(reply->IOCStatus); | |
67 | reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo); | |
68 | reply->TransferCount = cpu_to_le32(reply->TransferCount); | |
69 | reply->SenseCount = cpu_to_le32(reply->SenseCount); | |
70 | reply->ResponseInfo = cpu_to_le32(reply->ResponseInfo); | |
71 | reply->TaskTag = cpu_to_le16(reply->TaskTag); | |
e351b826 PB |
72 | } |
73 | ||
74 | void mptsas_fix_scsi_task_mgmt_endianness(MPIMsgSCSITaskMgmt *req) | |
75 | { | |
97866508 PM |
76 | req->MsgContext = le32_to_cpu(req->MsgContext); |
77 | req->TaskMsgContext = le32_to_cpu(req->TaskMsgContext); | |
e351b826 PB |
78 | } |
79 | ||
80 | void mptsas_fix_scsi_task_mgmt_reply_endianness(MPIMsgSCSITaskMgmtReply *reply) | |
81 | { | |
97866508 PM |
82 | reply->MsgContext = cpu_to_le32(reply->MsgContext); |
83 | reply->IOCStatus = cpu_to_le16(reply->IOCStatus); | |
84 | reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo); | |
85 | reply->TerminationCount = cpu_to_le32(reply->TerminationCount); | |
e351b826 PB |
86 | } |
87 | ||
88 | void mptsas_fix_ioc_init_endianness(MPIMsgIOCInit *req) | |
89 | { | |
97866508 PM |
90 | req->MsgContext = le32_to_cpu(req->MsgContext); |
91 | req->ReplyFrameSize = le16_to_cpu(req->ReplyFrameSize); | |
92 | req->HostMfaHighAddr = le32_to_cpu(req->HostMfaHighAddr); | |
93 | req->SenseBufferHighAddr = le32_to_cpu(req->SenseBufferHighAddr); | |
94 | req->ReplyFifoHostSignalingAddr = | |
95 | le32_to_cpu(req->ReplyFifoHostSignalingAddr); | |
e351b826 | 96 | mptsas_fix_sgentry_endianness(&req->HostPageBufferSGE); |
97866508 PM |
97 | req->MsgVersion = le16_to_cpu(req->MsgVersion); |
98 | req->HeaderVersion = le16_to_cpu(req->HeaderVersion); | |
e351b826 PB |
99 | } |
100 | ||
101 | void mptsas_fix_ioc_init_reply_endianness(MPIMsgIOCInitReply *reply) | |
102 | { | |
97866508 PM |
103 | reply->MsgContext = cpu_to_le32(reply->MsgContext); |
104 | reply->IOCStatus = cpu_to_le16(reply->IOCStatus); | |
105 | reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo); | |
e351b826 PB |
106 | } |
107 | ||
108 | void mptsas_fix_ioc_facts_endianness(MPIMsgIOCFacts *req) | |
109 | { | |
97866508 | 110 | req->MsgContext = le32_to_cpu(req->MsgContext); |
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111 | } |
112 | ||
113 | void mptsas_fix_ioc_facts_reply_endianness(MPIMsgIOCFactsReply *reply) | |
114 | { | |
97866508 PM |
115 | reply->MsgVersion = cpu_to_le16(reply->MsgVersion); |
116 | reply->HeaderVersion = cpu_to_le16(reply->HeaderVersion); | |
117 | reply->MsgContext = cpu_to_le32(reply->MsgContext); | |
118 | reply->IOCExceptions = cpu_to_le16(reply->IOCExceptions); | |
119 | reply->IOCStatus = cpu_to_le16(reply->IOCStatus); | |
120 | reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo); | |
121 | reply->ReplyQueueDepth = cpu_to_le16(reply->ReplyQueueDepth); | |
122 | reply->RequestFrameSize = cpu_to_le16(reply->RequestFrameSize); | |
123 | reply->ProductID = cpu_to_le16(reply->ProductID); | |
124 | reply->CurrentHostMfaHighAddr = cpu_to_le32(reply->CurrentHostMfaHighAddr); | |
125 | reply->GlobalCredits = cpu_to_le16(reply->GlobalCredits); | |
126 | reply->CurrentSenseBufferHighAddr = | |
127 | cpu_to_le32(reply->CurrentSenseBufferHighAddr); | |
128 | reply->CurReplyFrameSize = cpu_to_le16(reply->CurReplyFrameSize); | |
129 | reply->FWImageSize = cpu_to_le32(reply->FWImageSize); | |
130 | reply->IOCCapabilities = cpu_to_le32(reply->IOCCapabilities); | |
131 | reply->HighPriorityQueueDepth = cpu_to_le16(reply->HighPriorityQueueDepth); | |
e351b826 | 132 | mptsas_fix_sgentry_endianness_reply(&reply->HostPageBufferSGE); |
97866508 PM |
133 | reply->ReplyFifoHostSignalingAddr = |
134 | cpu_to_le32(reply->ReplyFifoHostSignalingAddr); | |
e351b826 PB |
135 | } |
136 | ||
137 | void mptsas_fix_config_endianness(MPIMsgConfig *req) | |
138 | { | |
97866508 PM |
139 | req->ExtPageLength = le16_to_cpu(req->ExtPageLength); |
140 | req->MsgContext = le32_to_cpu(req->MsgContext); | |
141 | req->PageAddress = le32_to_cpu(req->PageAddress); | |
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142 | mptsas_fix_sgentry_endianness(&req->PageBufferSGE); |
143 | } | |
144 | ||
145 | void mptsas_fix_config_reply_endianness(MPIMsgConfigReply *reply) | |
146 | { | |
97866508 PM |
147 | reply->ExtPageLength = cpu_to_le16(reply->ExtPageLength); |
148 | reply->MsgContext = cpu_to_le32(reply->MsgContext); | |
149 | reply->IOCStatus = cpu_to_le16(reply->IOCStatus); | |
150 | reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo); | |
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151 | } |
152 | ||
153 | void mptsas_fix_port_facts_endianness(MPIMsgPortFacts *req) | |
154 | { | |
97866508 | 155 | req->MsgContext = le32_to_cpu(req->MsgContext); |
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156 | } |
157 | ||
158 | void mptsas_fix_port_facts_reply_endianness(MPIMsgPortFactsReply *reply) | |
159 | { | |
97866508 PM |
160 | reply->MsgContext = cpu_to_le32(reply->MsgContext); |
161 | reply->IOCStatus = cpu_to_le16(reply->IOCStatus); | |
162 | reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo); | |
163 | reply->MaxDevices = cpu_to_le16(reply->MaxDevices); | |
164 | reply->PortSCSIID = cpu_to_le16(reply->PortSCSIID); | |
165 | reply->ProtocolFlags = cpu_to_le16(reply->ProtocolFlags); | |
166 | reply->MaxPostedCmdBuffers = cpu_to_le16(reply->MaxPostedCmdBuffers); | |
167 | reply->MaxPersistentIDs = cpu_to_le16(reply->MaxPersistentIDs); | |
168 | reply->MaxLanBuckets = cpu_to_le16(reply->MaxLanBuckets); | |
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169 | } |
170 | ||
171 | void mptsas_fix_port_enable_endianness(MPIMsgPortEnable *req) | |
172 | { | |
97866508 | 173 | req->MsgContext = le32_to_cpu(req->MsgContext); |
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174 | } |
175 | ||
176 | void mptsas_fix_port_enable_reply_endianness(MPIMsgPortEnableReply *reply) | |
177 | { | |
97866508 PM |
178 | reply->MsgContext = cpu_to_le32(reply->MsgContext); |
179 | reply->IOCStatus = cpu_to_le16(reply->IOCStatus); | |
180 | reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo); | |
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181 | } |
182 | ||
183 | void mptsas_fix_event_notification_endianness(MPIMsgEventNotify *req) | |
184 | { | |
97866508 | 185 | req->MsgContext = le32_to_cpu(req->MsgContext); |
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186 | } |
187 | ||
188 | void mptsas_fix_event_notification_reply_endianness(MPIMsgEventNotifyReply *reply) | |
189 | { | |
190 | int length = reply->EventDataLength; | |
191 | int i; | |
192 | ||
97866508 PM |
193 | reply->EventDataLength = cpu_to_le16(reply->EventDataLength); |
194 | reply->MsgContext = cpu_to_le32(reply->MsgContext); | |
195 | reply->IOCStatus = cpu_to_le16(reply->IOCStatus); | |
196 | reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo); | |
197 | reply->Event = cpu_to_le32(reply->Event); | |
198 | reply->EventContext = cpu_to_le32(reply->EventContext); | |
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199 | |
200 | /* Really depends on the event kind. This will do for now. */ | |
201 | for (i = 0; i < length; i++) { | |
97866508 | 202 | reply->Data[i] = cpu_to_le32(reply->Data[i]); |
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203 | } |
204 | } | |
205 |