| 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 2.1 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 "system/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 |