hw: Add support for LSI SAS1068 (mptsas) device
[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/hw.h"
25 #include "hw/pci/pci.h"
26 #include "sysemu/dma.h"
27 #include "sysemu/block-backend.h"
28 #include "hw/pci/msi.h"
29 #include "qemu/iov.h"
30 #include "hw/scsi/scsi.h"
31 #include "block/scsi.h"
32 #include "trace.h"
33
34 #include "mptsas.h"
35 #include "mpi.h"
36
37 static void mptsas_fix_sgentry_endianness(MPISGEntry *sge)
38 {
39 le32_to_cpus(&sge->FlagsLength);
40 if (sge->FlagsLength & MPI_SGE_FLAGS_64_BIT_ADDRESSING) {
41 le64_to_cpus(&sge->u.Address64);
42 } else {
43 le32_to_cpus(&sge->u.Address32);
44 }
45 }
46
47 static void mptsas_fix_sgentry_endianness_reply(MPISGEntry *sge)
48 {
49 if (sge->FlagsLength & MPI_SGE_FLAGS_64_BIT_ADDRESSING) {
50 cpu_to_le64s(&sge->u.Address64);
51 } else {
52 cpu_to_le32s(&sge->u.Address32);
53 }
54 cpu_to_le32s(&sge->FlagsLength);
55 }
56
57 void mptsas_fix_scsi_io_endianness(MPIMsgSCSIIORequest *req)
58 {
59 le32_to_cpus(&req->MsgContext);
60 le32_to_cpus(&req->Control);
61 le32_to_cpus(&req->DataLength);
62 le32_to_cpus(&req->SenseBufferLowAddr);
63 }
64
65 void mptsas_fix_scsi_io_reply_endianness(MPIMsgSCSIIOReply *reply)
66 {
67 cpu_to_le32s(&reply->MsgContext);
68 cpu_to_le16s(&reply->IOCStatus);
69 cpu_to_le32s(&reply->IOCLogInfo);
70 cpu_to_le32s(&reply->TransferCount);
71 cpu_to_le32s(&reply->SenseCount);
72 cpu_to_le32s(&reply->ResponseInfo);
73 cpu_to_le16s(&reply->TaskTag);
74 }
75
76 void mptsas_fix_scsi_task_mgmt_endianness(MPIMsgSCSITaskMgmt *req)
77 {
78 le32_to_cpus(&req->MsgContext);
79 le32_to_cpus(&req->TaskMsgContext);
80 }
81
82 void mptsas_fix_scsi_task_mgmt_reply_endianness(MPIMsgSCSITaskMgmtReply *reply)
83 {
84 cpu_to_le32s(&reply->MsgContext);
85 cpu_to_le16s(&reply->IOCStatus);
86 cpu_to_le32s(&reply->IOCLogInfo);
87 cpu_to_le32s(&reply->TerminationCount);
88 }
89
90 void mptsas_fix_ioc_init_endianness(MPIMsgIOCInit *req)
91 {
92 le32_to_cpus(&req->MsgContext);
93 le16_to_cpus(&req->ReplyFrameSize);
94 le32_to_cpus(&req->HostMfaHighAddr);
95 le32_to_cpus(&req->SenseBufferHighAddr);
96 le32_to_cpus(&req->ReplyFifoHostSignalingAddr);
97 mptsas_fix_sgentry_endianness(&req->HostPageBufferSGE);
98 le16_to_cpus(&req->MsgVersion);
99 le16_to_cpus(&req->HeaderVersion);
100 }
101
102 void mptsas_fix_ioc_init_reply_endianness(MPIMsgIOCInitReply *reply)
103 {
104 cpu_to_le32s(&reply->MsgContext);
105 cpu_to_le16s(&reply->IOCStatus);
106 cpu_to_le32s(&reply->IOCLogInfo);
107 }
108
109 void mptsas_fix_ioc_facts_endianness(MPIMsgIOCFacts *req)
110 {
111 le32_to_cpus(&req->MsgContext);
112 }
113
114 void mptsas_fix_ioc_facts_reply_endianness(MPIMsgIOCFactsReply *reply)
115 {
116 cpu_to_le16s(&reply->MsgVersion);
117 cpu_to_le16s(&reply->HeaderVersion);
118 cpu_to_le32s(&reply->MsgContext);
119 cpu_to_le16s(&reply->IOCExceptions);
120 cpu_to_le16s(&reply->IOCStatus);
121 cpu_to_le32s(&reply->IOCLogInfo);
122 cpu_to_le16s(&reply->ReplyQueueDepth);
123 cpu_to_le16s(&reply->RequestFrameSize);
124 cpu_to_le16s(&reply->ProductID);
125 cpu_to_le32s(&reply->CurrentHostMfaHighAddr);
126 cpu_to_le16s(&reply->GlobalCredits);
127 cpu_to_le32s(&reply->CurrentSenseBufferHighAddr);
128 cpu_to_le16s(&reply->CurReplyFrameSize);
129 cpu_to_le32s(&reply->FWImageSize);
130 cpu_to_le32s(&reply->IOCCapabilities);
131 cpu_to_le16s(&reply->HighPriorityQueueDepth);
132 mptsas_fix_sgentry_endianness_reply(&reply->HostPageBufferSGE);
133 cpu_to_le32s(&reply->ReplyFifoHostSignalingAddr);
134 }
135
136 void mptsas_fix_config_endianness(MPIMsgConfig *req)
137 {
138 le16_to_cpus(&req->ExtPageLength);
139 le32_to_cpus(&req->MsgContext);
140 le32_to_cpus(&req->PageAddress);
141 mptsas_fix_sgentry_endianness(&req->PageBufferSGE);
142 }
143
144 void mptsas_fix_config_reply_endianness(MPIMsgConfigReply *reply)
145 {
146 cpu_to_le16s(&reply->ExtPageLength);
147 cpu_to_le32s(&reply->MsgContext);
148 cpu_to_le16s(&reply->IOCStatus);
149 cpu_to_le32s(&reply->IOCLogInfo);
150 }
151
152 void mptsas_fix_port_facts_endianness(MPIMsgPortFacts *req)
153 {
154 le32_to_cpus(&req->MsgContext);
155 }
156
157 void mptsas_fix_port_facts_reply_endianness(MPIMsgPortFactsReply *reply)
158 {
159 cpu_to_le32s(&reply->MsgContext);
160 cpu_to_le16s(&reply->IOCStatus);
161 cpu_to_le32s(&reply->IOCLogInfo);
162 cpu_to_le16s(&reply->MaxDevices);
163 cpu_to_le16s(&reply->PortSCSIID);
164 cpu_to_le16s(&reply->ProtocolFlags);
165 cpu_to_le16s(&reply->MaxPostedCmdBuffers);
166 cpu_to_le16s(&reply->MaxPersistentIDs);
167 cpu_to_le16s(&reply->MaxLanBuckets);
168 }
169
170 void mptsas_fix_port_enable_endianness(MPIMsgPortEnable *req)
171 {
172 le32_to_cpus(&req->MsgContext);
173 }
174
175 void mptsas_fix_port_enable_reply_endianness(MPIMsgPortEnableReply *reply)
176 {
177 cpu_to_le32s(&reply->MsgContext);
178 cpu_to_le16s(&reply->IOCStatus);
179 cpu_to_le32s(&reply->IOCLogInfo);
180 }
181
182 void mptsas_fix_event_notification_endianness(MPIMsgEventNotify *req)
183 {
184 le32_to_cpus(&req->MsgContext);
185 }
186
187 void mptsas_fix_event_notification_reply_endianness(MPIMsgEventNotifyReply *reply)
188 {
189 int length = reply->EventDataLength;
190 int i;
191
192 cpu_to_le16s(&reply->EventDataLength);
193 cpu_to_le32s(&reply->MsgContext);
194 cpu_to_le16s(&reply->IOCStatus);
195 cpu_to_le32s(&reply->IOCLogInfo);
196 cpu_to_le32s(&reply->Event);
197 cpu_to_le32s(&reply->EventContext);
198
199 /* Really depends on the event kind. This will do for now. */
200 for (i = 0; i < length; i++) {
201 cpu_to_le32s(&reply->Data[i]);
202 }
203 }
204