qemu-e2k/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 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 "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]);
}
}