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authorDon Dugger <n0ano@n0ano.com>2016-06-03 03:33:22 +0000
committerGerrit Code Review <gerrit@172.30.200.206>2016-06-03 03:33:23 +0000
commitda27230f80795d0028333713f036d44c53cb0e68 (patch)
treeb3d379eaf000adf72b36cb01cdf4d79c3e3f064c /qemu/hw/scsi/mptendian.c
parent0e68cb048bb8aadb14675f5d4286d8ab2fc35449 (diff)
parent437fd90c0250dee670290f9b714253671a990160 (diff)
Merge "These changes are the raw update to qemu-2.6."
Diffstat (limited to 'qemu/hw/scsi/mptendian.c')
-rw-r--r--qemu/hw/scsi/mptendian.c204
1 files changed, 204 insertions, 0 deletions
diff --git a/qemu/hw/scsi/mptendian.c b/qemu/hw/scsi/mptendian.c
new file mode 100644
index 000000000..b7fe2a2a3
--- /dev/null
+++ b/qemu/hw/scsi/mptendian.c
@@ -0,0 +1,204 @@
+/*
+ * 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 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/hw.h"
+#include "hw/pci/pci.h"
+#include "sysemu/dma.h"
+#include "sysemu/block-backend.h"
+#include "hw/pci/msi.h"
+#include "qemu/iov.h"
+#include "hw/scsi/scsi.h"
+#include "block/scsi.h"
+#include "trace.h"
+
+#include "mptsas.h"
+#include "mpi.h"
+
+static void mptsas_fix_sgentry_endianness(MPISGEntry *sge)
+{
+ le32_to_cpus(&sge->FlagsLength);
+ if (sge->FlagsLength & MPI_SGE_FLAGS_64_BIT_ADDRESSING) {
+ le64_to_cpus(&sge->u.Address64);
+ } else {
+ le32_to_cpus(&sge->u.Address32);
+ }
+}
+
+static void mptsas_fix_sgentry_endianness_reply(MPISGEntry *sge)
+{
+ if (sge->FlagsLength & MPI_SGE_FLAGS_64_BIT_ADDRESSING) {
+ cpu_to_le64s(&sge->u.Address64);
+ } else {
+ cpu_to_le32s(&sge->u.Address32);
+ }
+ cpu_to_le32s(&sge->FlagsLength);
+}
+
+void mptsas_fix_scsi_io_endianness(MPIMsgSCSIIORequest *req)
+{
+ le32_to_cpus(&req->MsgContext);
+ le32_to_cpus(&req->Control);
+ le32_to_cpus(&req->DataLength);
+ le32_to_cpus(&req->SenseBufferLowAddr);
+}
+
+void mptsas_fix_scsi_io_reply_endianness(MPIMsgSCSIIOReply *reply)
+{
+ cpu_to_le32s(&reply->MsgContext);
+ cpu_to_le16s(&reply->IOCStatus);
+ cpu_to_le32s(&reply->IOCLogInfo);
+ cpu_to_le32s(&reply->TransferCount);
+ cpu_to_le32s(&reply->SenseCount);
+ cpu_to_le32s(&reply->ResponseInfo);
+ cpu_to_le16s(&reply->TaskTag);
+}
+
+void mptsas_fix_scsi_task_mgmt_endianness(MPIMsgSCSITaskMgmt *req)
+{
+ le32_to_cpus(&req->MsgContext);
+ le32_to_cpus(&req->TaskMsgContext);
+}
+
+void mptsas_fix_scsi_task_mgmt_reply_endianness(MPIMsgSCSITaskMgmtReply *reply)
+{
+ cpu_to_le32s(&reply->MsgContext);
+ cpu_to_le16s(&reply->IOCStatus);
+ cpu_to_le32s(&reply->IOCLogInfo);
+ cpu_to_le32s(&reply->TerminationCount);
+}
+
+void mptsas_fix_ioc_init_endianness(MPIMsgIOCInit *req)
+{
+ le32_to_cpus(&req->MsgContext);
+ le16_to_cpus(&req->ReplyFrameSize);
+ le32_to_cpus(&req->HostMfaHighAddr);
+ le32_to_cpus(&req->SenseBufferHighAddr);
+ le32_to_cpus(&req->ReplyFifoHostSignalingAddr);
+ mptsas_fix_sgentry_endianness(&req->HostPageBufferSGE);
+ le16_to_cpus(&req->MsgVersion);
+ le16_to_cpus(&req->HeaderVersion);
+}
+
+void mptsas_fix_ioc_init_reply_endianness(MPIMsgIOCInitReply *reply)
+{
+ cpu_to_le32s(&reply->MsgContext);
+ cpu_to_le16s(&reply->IOCStatus);
+ cpu_to_le32s(&reply->IOCLogInfo);
+}
+
+void mptsas_fix_ioc_facts_endianness(MPIMsgIOCFacts *req)
+{
+ le32_to_cpus(&req->MsgContext);
+}
+
+void mptsas_fix_ioc_facts_reply_endianness(MPIMsgIOCFactsReply *reply)
+{
+ cpu_to_le16s(&reply->MsgVersion);
+ cpu_to_le16s(&reply->HeaderVersion);
+ cpu_to_le32s(&reply->MsgContext);
+ cpu_to_le16s(&reply->IOCExceptions);
+ cpu_to_le16s(&reply->IOCStatus);
+ cpu_to_le32s(&reply->IOCLogInfo);
+ cpu_to_le16s(&reply->ReplyQueueDepth);
+ cpu_to_le16s(&reply->RequestFrameSize);
+ cpu_to_le16s(&reply->ProductID);
+ cpu_to_le32s(&reply->CurrentHostMfaHighAddr);
+ cpu_to_le16s(&reply->GlobalCredits);
+ cpu_to_le32s(&reply->CurrentSenseBufferHighAddr);
+ cpu_to_le16s(&reply->CurReplyFrameSize);
+ cpu_to_le32s(&reply->FWImageSize);
+ cpu_to_le32s(&reply->IOCCapabilities);
+ cpu_to_le16s(&reply->HighPriorityQueueDepth);
+ mptsas_fix_sgentry_endianness_reply(&reply->HostPageBufferSGE);
+ cpu_to_le32s(&reply->ReplyFifoHostSignalingAddr);
+}
+
+void mptsas_fix_config_endianness(MPIMsgConfig *req)
+{
+ le16_to_cpus(&req->ExtPageLength);
+ le32_to_cpus(&req->MsgContext);
+ le32_to_cpus(&req->PageAddress);
+ mptsas_fix_sgentry_endianness(&req->PageBufferSGE);
+}
+
+void mptsas_fix_config_reply_endianness(MPIMsgConfigReply *reply)
+{
+ cpu_to_le16s(&reply->ExtPageLength);
+ cpu_to_le32s(&reply->MsgContext);
+ cpu_to_le16s(&reply->IOCStatus);
+ cpu_to_le32s(&reply->IOCLogInfo);
+}
+
+void mptsas_fix_port_facts_endianness(MPIMsgPortFacts *req)
+{
+ le32_to_cpus(&req->MsgContext);
+}
+
+void mptsas_fix_port_facts_reply_endianness(MPIMsgPortFactsReply *reply)
+{
+ cpu_to_le32s(&reply->MsgContext);
+ cpu_to_le16s(&reply->IOCStatus);
+ cpu_to_le32s(&reply->IOCLogInfo);
+ cpu_to_le16s(&reply->MaxDevices);
+ cpu_to_le16s(&reply->PortSCSIID);
+ cpu_to_le16s(&reply->ProtocolFlags);
+ cpu_to_le16s(&reply->MaxPostedCmdBuffers);
+ cpu_to_le16s(&reply->MaxPersistentIDs);
+ cpu_to_le16s(&reply->MaxLanBuckets);
+}
+
+void mptsas_fix_port_enable_endianness(MPIMsgPortEnable *req)
+{
+ le32_to_cpus(&req->MsgContext);
+}
+
+void mptsas_fix_port_enable_reply_endianness(MPIMsgPortEnableReply *reply)
+{
+ cpu_to_le32s(&reply->MsgContext);
+ cpu_to_le16s(&reply->IOCStatus);
+ cpu_to_le32s(&reply->IOCLogInfo);
+}
+
+void mptsas_fix_event_notification_endianness(MPIMsgEventNotify *req)
+{
+ le32_to_cpus(&req->MsgContext);
+}
+
+void mptsas_fix_event_notification_reply_endianness(MPIMsgEventNotifyReply *reply)
+{
+ int length = reply->EventDataLength;
+ int i;
+
+ cpu_to_le16s(&reply->EventDataLength);
+ cpu_to_le32s(&reply->MsgContext);
+ cpu_to_le16s(&reply->IOCStatus);
+ cpu_to_le32s(&reply->IOCLogInfo);
+ cpu_to_le32s(&reply->Event);
+ cpu_to_le32s(&reply->EventContext);
+
+ /* Really depends on the event kind. This will do for now. */
+ for (i = 0; i < length; i++) {
+ cpu_to_le32s(&reply->Data[i]);
+ }
+}
+