Machines should be able to boot after this commit. Tested with different Linux distributions (Ubuntu, CentOS) and different Windows versions (Windows 7, Windows 10, Server 2016).
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2390 Signed-off-by: Nikita Leshenko <nikita.leshche...@oracle.com> --- .../Include/IndustryStandard/FusionMptScsi.h | 9 + OvmfPkg/MptScsiDxe/MptScsi.c | 409 +++++++++++++++++- OvmfPkg/MptScsiDxe/MptScsiDxe.inf | 3 + OvmfPkg/OvmfPkg.dec | 3 + 4 files changed, 422 insertions(+), 2 deletions(-) diff --git a/OvmfPkg/Include/IndustryStandard/FusionMptScsi.h b/OvmfPkg/Include/IndustryStandard/FusionMptScsi.h index 655d629d902e..99778d1537da 100644 --- a/OvmfPkg/Include/IndustryStandard/FusionMptScsi.h +++ b/OvmfPkg/Include/IndustryStandard/FusionMptScsi.h @@ -44,6 +44,15 @@ #define MPT_IOC_WHOINIT_ROM_BIOS 0x02 +#define MPT_SCSIIO_REQUEST_CONTROL_TXDIR_NONE (0x00 << 24) +#define MPT_SCSIIO_REQUEST_CONTROL_TXDIR_WRITE (0x01 << 24) +#define MPT_SCSIIO_REQUEST_CONTROL_TXDIR_READ (0x02 << 24) + +#define MPT_SCSI_IOCSTATUS_SUCCESS 0x0000 +#define MPT_SCSI_IOCSTATUS_DEVICE_NOT_THERE 0x0043 +#define MPT_SCSI_IOCSTATUS_DATA_OVERRUN 0x0044 +#define MPT_SCSI_IOCSTATUS_DATA_UNDERRUN 0x0045 + // // Device structures // diff --git a/OvmfPkg/MptScsiDxe/MptScsi.c b/OvmfPkg/MptScsiDxe/MptScsi.c index 15d671b544c2..9cb5088bfbf9 100644 --- a/OvmfPkg/MptScsiDxe/MptScsi.c +++ b/OvmfPkg/MptScsiDxe/MptScsi.c @@ -17,6 +17,7 @@ #include <Library/UefiBootServicesTableLib.h> #include <Library/UefiLib.h> #include <Protocol/PciIo.h> +#include <Protocol/PciRootBridgeIo.h> #include <Protocol/ScsiPassThruExt.h> #include <Uefi/UefiSpec.h> @@ -30,19 +31,50 @@ // Runtime Structures // +typedef struct { + MPT_SCSI_REQUEST_ALIGNED IoRequest; + MPT_SCSI_IO_REPLY_ALIGNED IoReply; + // + // As EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET.SenseDataLength is defined + // as UINT8, defining here SenseData size to MAX_UINT8 will guarantee it + // cannot overflow when passed to device. + // + UINT8 Sense[MAX_UINT8]; + // + // This size of the data is arbitrarily chosen. + // It seems to be sufficient for all I/O requests sent through + // EFI_SCSI_PASS_THRU_PROTOCOL.PassThru() for common boot scenarios. + // + UINT8 Data[0x2000]; +} MPT_SCSI_DMA_BUFFER; + #define MPT_SCSI_DEV_SIGNATURE SIGNATURE_32 ('M','P','T','S') typedef struct { UINT32 Signature; EFI_EXT_SCSI_PASS_THRU_PROTOCOL PassThru; EFI_EXT_SCSI_PASS_THRU_MODE PassThruMode; UINT8 MaxTarget; + UINT32 StallPerPollUsec; EFI_PCI_IO_PROTOCOL *PciIo; UINT64 OriginalPciAttributes; + MPT_SCSI_DMA_BUFFER *Dma; + EFI_PHYSICAL_ADDRESS DmaPhysical; + VOID *DmaMapping; + BOOLEAN IoReplyEnqueued; } MPT_SCSI_DEV; #define MPT_SCSI_FROM_PASS_THRU(PassThruPtr) \ CR (PassThruPtr, MPT_SCSI_DEV, PassThru, MPT_SCSI_DEV_SIGNATURE) +#define MPT_SCSI_DMA_ADDR(Dev, MemberName) \ + (Dev->DmaPhysical + OFFSET_OF (MPT_SCSI_DMA_BUFFER, MemberName)) + +#define MPT_SCSI_DMA_ADDR_HIGH(Dev, MemberName) \ + ((UINT32)(MPT_SCSI_DMA_ADDR (Dev, MemberName) >> 32)) + +#define MPT_SCSI_DMA_ADDR_LOW(Dev, MemberName) \ + ((UINT32)MPT_SCSI_DMA_ADDR (Dev, MemberName)) + // // Hardware functions // @@ -157,6 +189,9 @@ MptScsiInit ( "Req supports 255 targets only (max target is 254)"); Req.MaxDevices = Dev->MaxTarget + 1; Req.MaxBuses = 1; + Req.ReplyFrameSize = sizeof Dev->Dma->IoReply.Data; + Req.HostMfaHighAddr = MPT_SCSI_DMA_ADDR_HIGH (Dev, IoRequest); + Req.SenseBufferHighAddr = MPT_SCSI_DMA_ADDR_HIGH (Dev, Sense); // // Send controller init through doorbell @@ -218,6 +253,289 @@ MptScsiInit ( return EFI_SUCCESS; } +STATIC +EFI_STATUS +ReportHostAdapterError ( + OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet + ) +{ + DEBUG ((DEBUG_ERROR, "%a: fatal error in scsi request\n", __FUNCTION__)); + Packet->InTransferLength = 0; + Packet->OutTransferLength = 0; + Packet->SenseDataLength = 0; + Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_OTHER; + Packet->TargetStatus = EFI_EXT_SCSI_STATUS_TARGET_TASK_ABORTED; + return EFI_DEVICE_ERROR; +} + +STATIC +EFI_STATUS +ReportHostAdapterOverrunError ( + OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet + ) +{ + Packet->SenseDataLength = 0; + Packet->HostAdapterStatus = + EFI_EXT_SCSI_STATUS_HOST_ADAPTER_DATA_OVERRUN_UNDERRUN; + Packet->TargetStatus = EFI_EXT_SCSI_STATUS_TARGET_GOOD; + return EFI_BAD_BUFFER_SIZE; +} + +STATIC +EFI_STATUS +MptScsiPopulateRequest ( + IN MPT_SCSI_DEV *Dev, + IN UINT8 Target, + IN UINT64 Lun, + IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet + ) +{ + MPT_SCSI_REQUEST_WITH_SG *Request; + + Request = &Dev->Dma->IoRequest.Data; + + if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_BIDIRECTIONAL || + (Packet->InTransferLength > 0 && Packet->OutTransferLength > 0) || + Packet->CdbLength > sizeof (Request->Header.Cdb)) { + return EFI_UNSUPPORTED; + } + + if (Target > Dev->MaxTarget || Lun > 0 || + Packet->DataDirection > EFI_EXT_SCSI_DATA_DIRECTION_BIDIRECTIONAL || + // + // Trying to receive, but destination pointer is NULL, or contradicting + // transfer direction + // + (Packet->InTransferLength > 0 && + (Packet->InDataBuffer == NULL || + Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_WRITE + ) + ) || + + // + // Trying to send, but source pointer is NULL, or contradicting transfer + // direction + // + (Packet->OutTransferLength > 0 && + (Packet->OutDataBuffer == NULL || + Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ + ) + ) + ) { + return EFI_INVALID_PARAMETER; + } + + if (Packet->InTransferLength > sizeof (Dev->Dma->Data)) { + Packet->InTransferLength = sizeof (Dev->Dma->Data); + return ReportHostAdapterOverrunError (Packet); + } + if (Packet->OutTransferLength > sizeof (Dev->Dma->Data)) { + Packet->OutTransferLength = sizeof (Dev->Dma->Data); + return ReportHostAdapterOverrunError (Packet); + } + + ZeroMem (Request, sizeof (*Request)); + Request->Header.TargetId = Target; + // + // Only LUN 0 is currently supported, hence the cast is safe + // + Request->Header.Lun[1] = (UINT8)Lun; + Request->Header.Function = MPT_MESSAGE_HDR_FUNCTION_SCSI_IO_REQUEST; + Request->Header.MessageContext = 1; // We handle one request at a time + + Request->Header.CdbLength = Packet->CdbLength; + CopyMem (Request->Header.Cdb, Packet->Cdb, Packet->CdbLength); + + // + // SenseDataLength is UINT8, Sense[] is MAX_UINT8, so we can't overflow + // + ZeroMem (Dev->Dma->Sense, Packet->SenseDataLength); + Request->Header.SenseBufferLength = Packet->SenseDataLength; + Request->Header.SenseBufferLowAddress = MPT_SCSI_DMA_ADDR_LOW (Dev, Sense); + + Request->Sg.EndOfList = 1; + Request->Sg.EndOfBuffer = 1; + Request->Sg.LastElement = 1; + Request->Sg.ElementType = MPT_SG_ENTRY_TYPE_SIMPLE; + Request->Sg.Is64BitAddress = 1; + Request->Sg.DataBufferAddress = MPT_SCSI_DMA_ADDR (Dev, Data); + + // + // "MPT_SG_ENTRY_SIMPLE.Length" is a 24-bit quantity. + // + STATIC_ASSERT ( + sizeof (Dev->Dma->Data) < SIZE_16MB, + "MPT_SCSI_DMA_BUFFER.Data must be smaller than 16MB" + ); + + if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) { + Request->Header.DataLength = Packet->InTransferLength; + Request->Sg.Length = Packet->InTransferLength; + Request->Header.Control = MPT_SCSIIO_REQUEST_CONTROL_TXDIR_READ; + } else { + Request->Header.DataLength = Packet->OutTransferLength; + Request->Sg.Length = Packet->OutTransferLength; + Request->Header.Control = MPT_SCSIIO_REQUEST_CONTROL_TXDIR_WRITE; + + CopyMem (Dev->Dma->Data, Packet->OutDataBuffer, Packet->OutTransferLength); + Request->Sg.BufferContainsData = 1; + } + + if (Request->Header.DataLength == 0) { + Request->Header.Control = MPT_SCSIIO_REQUEST_CONTROL_TXDIR_NONE; + } + + return EFI_SUCCESS; +} + +STATIC +EFI_STATUS +MptScsiSendRequest ( + IN MPT_SCSI_DEV *Dev, + IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet + ) +{ + EFI_STATUS Status; + + if (!Dev->IoReplyEnqueued) { + // + // Put one free reply frame on the reply queue, the hardware may use it to + // report an error to us. + // + Status = Out32 (Dev, MPT_REG_REP_Q, MPT_SCSI_DMA_ADDR_LOW (Dev, IoReply)); + if (EFI_ERROR (Status)) { + return EFI_DEVICE_ERROR; + } + Dev->IoReplyEnqueued = TRUE; + } + + Status = Out32 (Dev, MPT_REG_REQ_Q, MPT_SCSI_DMA_ADDR_LOW (Dev, IoRequest)); + if (EFI_ERROR (Status)) { + return EFI_DEVICE_ERROR; + } + + return EFI_SUCCESS; +} + +STATIC +EFI_STATUS +MptScsiGetReply ( + IN MPT_SCSI_DEV *Dev, + OUT UINT32 *Reply + ) +{ + EFI_STATUS Status; + UINT32 Istatus; + UINT32 EmptyReply; + + // + // Timeouts are not supported for + // EFI_EXT_SCSI_PASS_THRU_PROTOCOL.PassThru() in this implementation. + // + for (;;) { + Status = In32 (Dev, MPT_REG_ISTATUS, &Istatus); + if (EFI_ERROR (Status)) { + return Status; + } + + // + // Interrupt raised + // + if (Istatus & MPT_IMASK_REPLY) { + break; + } + + gBS->Stall (Dev->StallPerPollUsec); + } + + Status = In32 (Dev, MPT_REG_REP_Q, Reply); + if (EFI_ERROR (Status)) { + return Status; + } + + // + // The driver is supposed to fetch replies until 0xffffffff is returned, which + // will reset the interrupt status. We put only one request, so we expect the + // next read reply to be the last. + // + Status = In32 (Dev, MPT_REG_REP_Q, &EmptyReply); + if (EFI_ERROR (Status) || EmptyReply != MAX_UINT32) { + return EFI_DEVICE_ERROR; + } + + return EFI_SUCCESS; +} + +STATIC +EFI_STATUS +MptScsiHandleReply ( + IN MPT_SCSI_DEV *Dev, + IN UINT32 Reply, + OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet + ) +{ + if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) { + CopyMem (Packet->InDataBuffer, Dev->Dma->Data, Packet->InTransferLength); + } + + if (Reply == Dev->Dma->IoRequest.Data.Header.MessageContext) { + // + // This is a turbo reply, everything is good + // + Packet->SenseDataLength = 0; + Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_OK; + Packet->TargetStatus = EFI_EXT_SCSI_STATUS_TARGET_GOOD; + + } else if ((Reply & BIT31) != 0) { + DEBUG ((DEBUG_INFO, "%a: Full reply returned\n", __FUNCTION__)); + // + // When reply MSB is set, we got a full reply. Since we submitted only one + // reply frame, we know it's IoReply. + // + Dev->IoReplyEnqueued = FALSE; + + Packet->TargetStatus = Dev->Dma->IoReply.Data.ScsiStatus; + // + // Make sure device only lowers SenseDataLength before copying sense + // + ASSERT (Dev->Dma->IoReply.Data.SenseCount <= Packet->SenseDataLength); + Packet->SenseDataLength = + (UINT8)MIN (Dev->Dma->IoReply.Data.SenseCount, Packet->SenseDataLength); + CopyMem (Packet->SenseData, Dev->Dma->Sense, Packet->SenseDataLength); + + if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) { + Packet->InTransferLength = Dev->Dma->IoReply.Data.TransferCount; + } else { + Packet->OutTransferLength = Dev->Dma->IoReply.Data.TransferCount; + } + + switch (Dev->Dma->IoReply.Data.IocStatus) { + case MPT_SCSI_IOCSTATUS_SUCCESS: + Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_OK; + break; + case MPT_SCSI_IOCSTATUS_DEVICE_NOT_THERE: + Packet->HostAdapterStatus = + EFI_EXT_SCSI_STATUS_HOST_ADAPTER_SELECTION_TIMEOUT; + return EFI_TIMEOUT; + case MPT_SCSI_IOCSTATUS_DATA_UNDERRUN: + case MPT_SCSI_IOCSTATUS_DATA_OVERRUN: + Packet->HostAdapterStatus = + EFI_EXT_SCSI_STATUS_HOST_ADAPTER_DATA_OVERRUN_UNDERRUN; + break; + default: + Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_OTHER; + return EFI_DEVICE_ERROR; + } + + } else { + DEBUG ((DEBUG_ERROR, "%a: unexpected reply (%x)\n", __FUNCTION__, Reply)); + Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_OTHER; + return EFI_DEVICE_ERROR; + } + + return EFI_SUCCESS; +} + // // Ext SCSI Pass Thru // @@ -233,7 +551,33 @@ MptScsiPassThru ( IN EFI_EVENT Event OPTIONAL ) { - return EFI_UNSUPPORTED; + EFI_STATUS Status; + MPT_SCSI_DEV *Dev; + UINT32 Reply; + + Dev = MPT_SCSI_FROM_PASS_THRU (This); + // + // We only use first byte of target identifer + // + Status = MptScsiPopulateRequest (Dev, *Target, Lun, Packet); + if (EFI_ERROR (Status)) { + // + // MptScsiPopulateRequest modified packet according to the error + // + return Status; + } + + Status = MptScsiSendRequest (Dev, Packet); + if (EFI_ERROR (Status)) { + return ReportHostAdapterError (Packet); + } + + Status = MptScsiGetReply (Dev, &Reply); + if (EFI_ERROR (Status)) { + return ReportHostAdapterError (Packet); + } + + return MptScsiHandleReply (Dev, Reply, Packet); } STATIC @@ -488,6 +832,8 @@ MptScsiControllerStart ( { EFI_STATUS Status; MPT_SCSI_DEV *Dev; + UINTN Pages; + UINTN BytesMapped; Dev = AllocateZeroPool (sizeof (*Dev)); if (Dev == NULL) { @@ -497,6 +843,7 @@ MptScsiControllerStart ( Dev->Signature = MPT_SCSI_DEV_SIGNATURE; Dev->MaxTarget = PcdGet8 (PcdMptScsiMaxTargetLimit); + Dev->StallPerPollUsec = PcdGet32 (PcdMptScsiStallPerPollUsec); Status = gBS->OpenProtocol ( ControllerHandle, @@ -557,11 +904,45 @@ MptScsiControllerStart ( )); } - Status = MptScsiInit (Dev); + // + // Create buffers for data transfer + // + Pages = EFI_SIZE_TO_PAGES (sizeof (*Dev->Dma)); + Status = Dev->PciIo->AllocateBuffer ( + Dev->PciIo, + AllocateAnyPages, + EfiBootServicesData, + Pages, + (VOID **)&Dev->Dma, + EFI_PCI_ATTRIBUTE_MEMORY_CACHED + ); if (EFI_ERROR (Status)) { goto RestoreAttributes; } + BytesMapped = EFI_PAGES_TO_SIZE (Pages); + Status = Dev->PciIo->Map ( + Dev->PciIo, + EfiPciIoOperationBusMasterCommonBuffer, + Dev->Dma, + &BytesMapped, + &Dev->DmaPhysical, + &Dev->DmaMapping + ); + if (EFI_ERROR (Status)) { + goto FreeBuffer; + } + + if (BytesMapped != EFI_PAGES_TO_SIZE (Pages)) { + Status = EFI_OUT_OF_RESOURCES; + goto Unmap; + } + + Status = MptScsiInit (Dev); + if (EFI_ERROR (Status)) { + goto Unmap; + } + // // Host adapter channel, doesn't exist // @@ -594,6 +975,19 @@ MptScsiControllerStart ( UninitDev: MptScsiReset (Dev); +Unmap: + Dev->PciIo->Unmap ( + Dev->PciIo, + Dev->DmaMapping + ); + +FreeBuffer: + Dev->PciIo->FreeBuffer ( + Dev->PciIo, + EFI_SIZE_TO_PAGES (sizeof (*Dev->Dma)), + Dev->Dma + ); + RestoreAttributes: Dev->PciIo->Attributes ( Dev->PciIo, @@ -655,6 +1049,17 @@ MptScsiControllerStop ( MptScsiReset (Dev); + Dev->PciIo->Unmap ( + Dev->PciIo, + Dev->DmaMapping + ); + + Dev->PciIo->FreeBuffer ( + Dev->PciIo, + EFI_SIZE_TO_PAGES (sizeof (*Dev->Dma)), + Dev->Dma + ); + Dev->PciIo->Attributes ( Dev->PciIo, EfiPciIoAttributeOperationSet, diff --git a/OvmfPkg/MptScsiDxe/MptScsiDxe.inf b/OvmfPkg/MptScsiDxe/MptScsiDxe.inf index 4862ff9dd497..bb89e50e08f0 100644 --- a/OvmfPkg/MptScsiDxe/MptScsiDxe.inf +++ b/OvmfPkg/MptScsiDxe/MptScsiDxe.inf @@ -37,3 +37,6 @@ [Protocols] [FixedPcd] gUefiOvmfPkgTokenSpaceGuid.PcdMptScsiMaxTargetLimit ## CONSUMES + +[Pcd] + gUefiOvmfPkgTokenSpaceGuid.PcdMptScsiStallPerPollUsec ## CONSUMES diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec index 2d09444bbb16..3bf26e8df82d 100644 --- a/OvmfPkg/OvmfPkg.dec +++ b/OvmfPkg/OvmfPkg.dec @@ -167,6 +167,9 @@ [PcdsFixedAtBuild] # by ScsiBusDxe. gUefiOvmfPkgTokenSpaceGuid.PcdMptScsiMaxTargetLimit|7|UINT8|0x39 + ## Microseconds to stall between polling for MptScsi request result + gUefiOvmfPkgTokenSpaceGuid.PcdMptScsiStallPerPollUsec|5|UINT32|0x40 + gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogBase|0x0|UINT32|0x8 gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogSize|0x0|UINT32|0x9 gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareFdSize|0x0|UINT32|0xa -- 2.20.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. 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