meson: convert hw/vfio
[qemu.git] / hw / scsi / mptendian.c
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
12 * version 2 of the License, or (at your option) any later version.
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"
24 #include "hw/pci/pci.h"
25 #include "sysemu/dma.h"
26 #include "hw/pci/msi.h"
27 #include "qemu/iov.h"
28 #include "hw/scsi/scsi.h"
29 #include "scsi/constants.h"
30 #include "trace.h"
31
32 #include "mptsas.h"
33 #include "mpi.h"
34
35 static void mptsas_fix_sgentry_endianness(MPISGEntry *sge)
36 {
37 sge->FlagsLength = le32_to_cpu(sge->FlagsLength);
38 if (sge->FlagsLength & MPI_SGE_FLAGS_64_BIT_ADDRESSING) {
39 sge->u.Address64 = le64_to_cpu(sge->u.Address64);
40 } else {
41 sge->u.Address32 = le32_to_cpu(sge->u.Address32);
42 }
43 }
44
45 static void mptsas_fix_sgentry_endianness_reply(MPISGEntry *sge)
46 {
47 if (sge->FlagsLength & MPI_SGE_FLAGS_64_BIT_ADDRESSING) {
48 sge->u.Address64 = cpu_to_le64(sge->u.Address64);
49 } else {
50 sge->u.Address32 = cpu_to_le32(sge->u.Address32);
51 }
52 sge->FlagsLength = cpu_to_le32(sge->FlagsLength);
53 }
54
55 void mptsas_fix_scsi_io_endianness(MPIMsgSCSIIORequest *req)
56 {
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);
61 }
62
63 void mptsas_fix_scsi_io_reply_endianness(MPIMsgSCSIIOReply *reply)
64 {
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);
72 }
73
74 void mptsas_fix_scsi_task_mgmt_endianness(MPIMsgSCSITaskMgmt *req)
75 {
76 req->MsgContext = le32_to_cpu(req->MsgContext);
77 req->TaskMsgContext = le32_to_cpu(req->TaskMsgContext);
78 }
79
80 void mptsas_fix_scsi_task_mgmt_reply_endianness(MPIMsgSCSITaskMgmtReply *reply)
81 {
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);
86 }
87
88 void mptsas_fix_ioc_init_endianness(MPIMsgIOCInit *req)
89 {
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);
96 mptsas_fix_sgentry_endianness(&req->HostPageBufferSGE);
97 req->MsgVersion = le16_to_cpu(req->MsgVersion);
98 req->HeaderVersion = le16_to_cpu(req->HeaderVersion);
99 }
100
101 void mptsas_fix_ioc_init_reply_endianness(MPIMsgIOCInitReply *reply)
102 {
103 reply->MsgContext = cpu_to_le32(reply->MsgContext);
104 reply->IOCStatus = cpu_to_le16(reply->IOCStatus);
105 reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo);
106 }
107
108 void mptsas_fix_ioc_facts_endianness(MPIMsgIOCFacts *req)
109 {
110 req->MsgContext = le32_to_cpu(req->MsgContext);
111 }
112
113 void mptsas_fix_ioc_facts_reply_endianness(MPIMsgIOCFactsReply *reply)
114 {
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);
132 mptsas_fix_sgentry_endianness_reply(&reply->HostPageBufferSGE);
133 reply->ReplyFifoHostSignalingAddr =
134 cpu_to_le32(reply->ReplyFifoHostSignalingAddr);
135 }
136
137 void mptsas_fix_config_endianness(MPIMsgConfig *req)
138 {
139 req->ExtPageLength = le16_to_cpu(req->ExtPageLength);
140 req->MsgContext = le32_to_cpu(req->MsgContext);
141 req->PageAddress = le32_to_cpu(req->PageAddress);
142 mptsas_fix_sgentry_endianness(&req->PageBufferSGE);
143 }
144
145 void mptsas_fix_config_reply_endianness(MPIMsgConfigReply *reply)
146 {
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);
151 }
152
153 void mptsas_fix_port_facts_endianness(MPIMsgPortFacts *req)
154 {
155 req->MsgContext = le32_to_cpu(req->MsgContext);
156 }
157
158 void mptsas_fix_port_facts_reply_endianness(MPIMsgPortFactsReply *reply)
159 {
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);
169 }
170
171 void mptsas_fix_port_enable_endianness(MPIMsgPortEnable *req)
172 {
173 req->MsgContext = le32_to_cpu(req->MsgContext);
174 }
175
176 void mptsas_fix_port_enable_reply_endianness(MPIMsgPortEnableReply *reply)
177 {
178 reply->MsgContext = cpu_to_le32(reply->MsgContext);
179 reply->IOCStatus = cpu_to_le16(reply->IOCStatus);
180 reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo);
181 }
182
183 void mptsas_fix_event_notification_endianness(MPIMsgEventNotify *req)
184 {
185 req->MsgContext = le32_to_cpu(req->MsgContext);
186 }
187
188 void mptsas_fix_event_notification_reply_endianness(MPIMsgEventNotifyReply *reply)
189 {
190 int length = reply->EventDataLength;
191 int i;
192
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);
199
200 /* Really depends on the event kind. This will do for now. */
201 for (i = 0; i < length; i++) {
202 reply->Data[i] = cpu_to_le32(reply->Data[i]);
203 }
204 }
205