diff options
Diffstat (limited to 'qemu/hw/scsi/mptendian.c')
| -rw-r--r-- | qemu/hw/scsi/mptendian.c | 204 |
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]); + } +} + |