diff options
Diffstat (limited to 'hw/scsi/mptendian.c')
-rw-r--r-- | hw/scsi/mptendian.c | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/hw/scsi/mptendian.c b/hw/scsi/mptendian.c new file mode 100644 index 00000000..0d5abb4b --- /dev/null +++ b/hw/scsi/mptendian.c @@ -0,0 +1,205 @@ +/* + * 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]); + } +} + |