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-rw-r--r--hw/scsi/mptendian.c205
1 files changed, 205 insertions, 0 deletions
diff --git a/hw/scsi/mptendian.c b/hw/scsi/mptendian.c
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+/*
+ * QEMU LSI SAS1068 Host Bus Adapter emulation
+ * Endianness conversion for MPI data structures
+ *
+ * Copyright (c) 2016 Red Hat, Inc.
+ *
+ * Authors: Paolo Bonzini <pbonzini@redhat.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "hw/pci/pci.h"
+#include "sysemu/dma.h"
+#include "hw/pci/msi.h"
+#include "qemu/iov.h"
+#include "hw/scsi/scsi.h"
+#include "scsi/constants.h"
+#include "trace.h"
+
+#include "mptsas.h"
+#include "mpi.h"
+
+static void mptsas_fix_sgentry_endianness(MPISGEntry *sge)
+{
+ sge->FlagsLength = le32_to_cpu(sge->FlagsLength);
+ if (sge->FlagsLength & MPI_SGE_FLAGS_64_BIT_ADDRESSING) {
+ sge->u.Address64 = le64_to_cpu(sge->u.Address64);
+ } else {
+ sge->u.Address32 = le32_to_cpu(sge->u.Address32);
+ }
+}
+
+static void mptsas_fix_sgentry_endianness_reply(MPISGEntry *sge)
+{
+ if (sge->FlagsLength & MPI_SGE_FLAGS_64_BIT_ADDRESSING) {
+ sge->u.Address64 = cpu_to_le64(sge->u.Address64);
+ } else {
+ sge->u.Address32 = cpu_to_le32(sge->u.Address32);
+ }
+ sge->FlagsLength = cpu_to_le32(sge->FlagsLength);
+}
+
+void mptsas_fix_scsi_io_endianness(MPIMsgSCSIIORequest *req)
+{
+ req->MsgContext = le32_to_cpu(req->MsgContext);
+ req->Control = le32_to_cpu(req->Control);
+ req->DataLength = le32_to_cpu(req->DataLength);
+ req->SenseBufferLowAddr = le32_to_cpu(req->SenseBufferLowAddr);
+}
+
+void mptsas_fix_scsi_io_reply_endianness(MPIMsgSCSIIOReply *reply)
+{
+ reply->MsgContext = cpu_to_le32(reply->MsgContext);
+ reply->IOCStatus = cpu_to_le16(reply->IOCStatus);
+ reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo);
+ reply->TransferCount = cpu_to_le32(reply->TransferCount);
+ reply->SenseCount = cpu_to_le32(reply->SenseCount);
+ reply->ResponseInfo = cpu_to_le32(reply->ResponseInfo);
+ reply->TaskTag = cpu_to_le16(reply->TaskTag);
+}
+
+void mptsas_fix_scsi_task_mgmt_endianness(MPIMsgSCSITaskMgmt *req)
+{
+ req->MsgContext = le32_to_cpu(req->MsgContext);
+ req->TaskMsgContext = le32_to_cpu(req->TaskMsgContext);
+}
+
+void mptsas_fix_scsi_task_mgmt_reply_endianness(MPIMsgSCSITaskMgmtReply *reply)
+{
+ reply->MsgContext = cpu_to_le32(reply->MsgContext);
+ reply->IOCStatus = cpu_to_le16(reply->IOCStatus);
+ reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo);
+ reply->TerminationCount = cpu_to_le32(reply->TerminationCount);
+}
+
+void mptsas_fix_ioc_init_endianness(MPIMsgIOCInit *req)
+{
+ req->MsgContext = le32_to_cpu(req->MsgContext);
+ req->ReplyFrameSize = le16_to_cpu(req->ReplyFrameSize);
+ req->HostMfaHighAddr = le32_to_cpu(req->HostMfaHighAddr);
+ req->SenseBufferHighAddr = le32_to_cpu(req->SenseBufferHighAddr);
+ req->ReplyFifoHostSignalingAddr =
+ le32_to_cpu(req->ReplyFifoHostSignalingAddr);
+ mptsas_fix_sgentry_endianness(&req->HostPageBufferSGE);
+ req->MsgVersion = le16_to_cpu(req->MsgVersion);
+ req->HeaderVersion = le16_to_cpu(req->HeaderVersion);
+}
+
+void mptsas_fix_ioc_init_reply_endianness(MPIMsgIOCInitReply *reply)
+{
+ reply->MsgContext = cpu_to_le32(reply->MsgContext);
+ reply->IOCStatus = cpu_to_le16(reply->IOCStatus);
+ reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo);
+}
+
+void mptsas_fix_ioc_facts_endianness(MPIMsgIOCFacts *req)
+{
+ req->MsgContext = le32_to_cpu(req->MsgContext);
+}
+
+void mptsas_fix_ioc_facts_reply_endianness(MPIMsgIOCFactsReply *reply)
+{
+ reply->MsgVersion = cpu_to_le16(reply->MsgVersion);
+ reply->HeaderVersion = cpu_to_le16(reply->HeaderVersion);
+ reply->MsgContext = cpu_to_le32(reply->MsgContext);
+ reply->IOCExceptions = cpu_to_le16(reply->IOCExceptions);
+ reply->IOCStatus = cpu_to_le16(reply->IOCStatus);
+ reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo);
+ reply->ReplyQueueDepth = cpu_to_le16(reply->ReplyQueueDepth);
+ reply->RequestFrameSize = cpu_to_le16(reply->RequestFrameSize);
+ reply->ProductID = cpu_to_le16(reply->ProductID);
+ reply->CurrentHostMfaHighAddr = cpu_to_le32(reply->CurrentHostMfaHighAddr);
+ reply->GlobalCredits = cpu_to_le16(reply->GlobalCredits);
+ reply->CurrentSenseBufferHighAddr =
+ cpu_to_le32(reply->CurrentSenseBufferHighAddr);
+ reply->CurReplyFrameSize = cpu_to_le16(reply->CurReplyFrameSize);
+ reply->FWImageSize = cpu_to_le32(reply->FWImageSize);
+ reply->IOCCapabilities = cpu_to_le32(reply->IOCCapabilities);
+ reply->HighPriorityQueueDepth = cpu_to_le16(reply->HighPriorityQueueDepth);
+ mptsas_fix_sgentry_endianness_reply(&reply->HostPageBufferSGE);
+ reply->ReplyFifoHostSignalingAddr =
+ cpu_to_le32(reply->ReplyFifoHostSignalingAddr);
+}
+
+void mptsas_fix_config_endianness(MPIMsgConfig *req)
+{
+ req->ExtPageLength = le16_to_cpu(req->ExtPageLength);
+ req->MsgContext = le32_to_cpu(req->MsgContext);
+ req->PageAddress = le32_to_cpu(req->PageAddress);
+ mptsas_fix_sgentry_endianness(&req->PageBufferSGE);
+}
+
+void mptsas_fix_config_reply_endianness(MPIMsgConfigReply *reply)
+{
+ reply->ExtPageLength = cpu_to_le16(reply->ExtPageLength);
+ reply->MsgContext = cpu_to_le32(reply->MsgContext);
+ reply->IOCStatus = cpu_to_le16(reply->IOCStatus);
+ reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo);
+}
+
+void mptsas_fix_port_facts_endianness(MPIMsgPortFacts *req)
+{
+ req->MsgContext = le32_to_cpu(req->MsgContext);
+}
+
+void mptsas_fix_port_facts_reply_endianness(MPIMsgPortFactsReply *reply)
+{
+ reply->MsgContext = cpu_to_le32(reply->MsgContext);
+ reply->IOCStatus = cpu_to_le16(reply->IOCStatus);
+ reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo);
+ reply->MaxDevices = cpu_to_le16(reply->MaxDevices);
+ reply->PortSCSIID = cpu_to_le16(reply->PortSCSIID);
+ reply->ProtocolFlags = cpu_to_le16(reply->ProtocolFlags);
+ reply->MaxPostedCmdBuffers = cpu_to_le16(reply->MaxPostedCmdBuffers);
+ reply->MaxPersistentIDs = cpu_to_le16(reply->MaxPersistentIDs);
+ reply->MaxLanBuckets = cpu_to_le16(reply->MaxLanBuckets);
+}
+
+void mptsas_fix_port_enable_endianness(MPIMsgPortEnable *req)
+{
+ req->MsgContext = le32_to_cpu(req->MsgContext);
+}
+
+void mptsas_fix_port_enable_reply_endianness(MPIMsgPortEnableReply *reply)
+{
+ reply->MsgContext = cpu_to_le32(reply->MsgContext);
+ reply->IOCStatus = cpu_to_le16(reply->IOCStatus);
+ reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo);
+}
+
+void mptsas_fix_event_notification_endianness(MPIMsgEventNotify *req)
+{
+ req->MsgContext = le32_to_cpu(req->MsgContext);
+}
+
+void mptsas_fix_event_notification_reply_endianness(MPIMsgEventNotifyReply *reply)
+{
+ int length = reply->EventDataLength;
+ int i;
+
+ reply->EventDataLength = cpu_to_le16(reply->EventDataLength);
+ reply->MsgContext = cpu_to_le32(reply->MsgContext);
+ reply->IOCStatus = cpu_to_le16(reply->IOCStatus);
+ reply->IOCLogInfo = cpu_to_le32(reply->IOCLogInfo);
+ reply->Event = cpu_to_le32(reply->Event);
+ reply->EventContext = cpu_to_le32(reply->EventContext);
+
+ /* Really depends on the event kind. This will do for now. */
+ for (i = 0; i < length; i++) {
+ reply->Data[i] = cpu_to_le32(reply->Data[i]);
+ }
+}
+