ULONG
VirtIoFindAdapter(
IN PVOID DeviceExtension,
IN PVOID HwContext,
IN PVOID BusInformation,
IN PCHAR ArgumentString,
IN OUT PPORT_CONFIGURATION_INFORMATION ConfigInfo,
OUT PBOOLEAN Again
)
{
PACCESS_RANGE accessRange;
PADAPTER_EXTENSION adaptExt;
ULONG_PTR deviceBase;
ULONG allocationSize;
ULONG pageNum;
#ifdef MSI_SUPPORTED
PPCI_COMMON_CONFIG pPciConf = NULL;
UCHAR pci_cfg_buf[256];
ULONG pci_cfg_len;
#endif
UNREFERENCED_PARAMETER( HwContext );
UNREFERENCED_PARAMETER( BusInformation );
UNREFERENCED_PARAMETER( ArgumentString );
UNREFERENCED_PARAMETER( Again );
adaptExt = (PADAPTER_EXTENSION)DeviceExtension;
adaptExt->dump_mode = IsCrashDumpMode;
ConfigInfo->Master = TRUE;
ConfigInfo->ScatterGather = TRUE;
ConfigInfo->DmaWidth = Width32Bits;
ConfigInfo->Dma32BitAddresses = TRUE;
ConfigInfo->Dma64BitAddresses = TRUE;
ConfigInfo->WmiDataProvider = FALSE;
ConfigInfo->AlignmentMask = 0x3;
#ifdef USE_STORPORT
ConfigInfo->MapBuffers = STOR_MAP_NON_READ_WRITE_BUFFERS;
ConfigInfo->SynchronizationModel = StorSynchronizeFullDuplex;
#ifdef MSI_SUPPORTED
ConfigInfo->HwMSInterruptRoutine = VirtIoMSInterruptRoutine;
ConfigInfo->InterruptSynchronizationMode=InterruptSynchronizePerMessage;
#endif
#else
ConfigInfo->MapBuffers = TRUE;
#endif
accessRange = &(*ConfigInfo->AccessRanges)[0];
ASSERT (FALSE == accessRange->RangeInMemory) ;
RhelDbgPrint(TRACE_LEVEL_INFORMATION, ("Port Resource [%08I64X-%08I64X]\n",
accessRange->RangeStart.QuadPart,
accessRange->RangeStart.QuadPart +
accessRange->RangeLength));
if ( accessRange->RangeLength < IO_PORT_LENGTH) {
LogError(DeviceExtension,
SP_INTERNAL_ADAPTER_ERROR,
__LINE__);
RhelDbgPrint(TRACE_LEVEL_FATAL, ("Wrong access range %x bytes\n", accessRange->RangeLength));
return SP_RETURN_NOT_FOUND;
}
#ifndef USE_STORPORT
if (!ScsiPortValidateRange(DeviceExtension,
ConfigInfo->AdapterInterfaceType,
ConfigInfo->SystemIoBusNumber,
accessRange->RangeStart,
accessRange->RangeLength,
(BOOLEAN)!accessRange->RangeInMemory)) {
LogError(DeviceExtension,
SP_INTERNAL_ADAPTER_ERROR,
__LINE__);
RhelDbgPrint(TRACE_LEVEL_FATAL, ("Range validation failed %x for %x bytes\n",
(*ConfigInfo->AccessRanges)[0].RangeStart.LowPart,
(*ConfigInfo->AccessRanges)[0].RangeLength));
return SP_RETURN_ERROR;
}
#endif
ConfigInfo->NumberOfBuses = 1;
ConfigInfo->MaximumNumberOfTargets = 1;
ConfigInfo->MaximumNumberOfLogicalUnits = 1;
deviceBase = (ULONG_PTR)ScsiPortGetDeviceBase(DeviceExtension,
ConfigInfo->AdapterInterfaceType,
ConfigInfo->SystemIoBusNumber,
accessRange->RangeStart,
accessRange->RangeLength,
(BOOLEAN)!accessRange->RangeInMemory);
if (deviceBase == (ULONG_PTR)NULL) {
LogError(DeviceExtension,
SP_INTERNAL_ADAPTER_ERROR,
__LINE__);
RhelDbgPrint(TRACE_LEVEL_FATAL, ("Couldn't map %x for %x bytes\n",
(*ConfigInfo->AccessRanges)[0].RangeStart.LowPart,
(*ConfigInfo->AccessRanges)[0].RangeLength));
return SP_RETURN_ERROR;
}
VirtIODeviceInitialize(&adaptExt->vdev, deviceBase, sizeof(adaptExt->vdev));
VirtIODeviceAddStatus(&adaptExt->vdev, VIRTIO_CONFIG_S_DRIVER);
adaptExt->msix_enabled = FALSE;
#ifdef MSI_SUPPORTED
pci_cfg_len = StorPortGetBusData (DeviceExtension,
PCIConfiguration,
ConfigInfo->SystemIoBusNumber,
(ULONG)ConfigInfo->SlotNumber,
(PVOID)pci_cfg_buf,
(ULONG)256);
if (pci_cfg_len == 256)
{
UCHAR CapOffset;
PPCI_MSIX_CAPABILITY pMsixCapOffset;
pPciConf = (PPCI_COMMON_CONFIG)pci_cfg_buf;
if ( (pPciConf->Status & PCI_STATUS_CAPABILITIES_LIST) == 0)
{
RhelDbgPrint(TRACE_LEVEL_INFORMATION, ("NO CAPABILITIES_LIST\n"));
}
else
{
if ( (pPciConf->HeaderType & (~PCI_MULTIFUNCTION)) == PCI_DEVICE_TYPE )
{
CapOffset = pPciConf->u.type0.CapabilitiesPtr;
while (CapOffset != 0)
{
pMsixCapOffset = (PPCI_MSIX_CAPABILITY)(pci_cfg_buf + CapOffset);
if ( pMsixCapOffset->Header.CapabilityID == PCI_CAPABILITY_ID_MSIX )
{
RhelDbgPrint(TRACE_LEVEL_INFORMATION, ("MessageControl.TableSize = %d\n", pMsixCapOffset->MessageControl.TableSize));
RhelDbgPrint(TRACE_LEVEL_INFORMATION, ("MessageControl.FunctionMask = %d\n", pMsixCapOffset->MessageControl.FunctionMask));
RhelDbgPrint(TRACE_LEVEL_INFORMATION, ("MessageControl.MSIXEnable = %d\n", pMsixCapOffset->MessageControl.MSIXEnable));
RhelDbgPrint(TRACE_LEVEL_INFORMATION, ("MessageTable = %p\n", pMsixCapOffset->MessageTable));
RhelDbgPrint(TRACE_LEVEL_INFORMATION, ("PBATable = %d\n", pMsixCapOffset->PBATable));
adaptExt->msix_enabled = (pMsixCapOffset->MessageControl.MSIXEnable == 1);
break;
}
else
{
CapOffset = pMsixCapOffset->Header.Next;
RhelDbgPrint(TRACE_LEVEL_INFORMATION, ("CapabilityID = %x, Next CapOffset = %x\n", pMsixCapOffset->Header.CapabilityID, CapOffset));
}
}
VirtIODeviceSetMSIXUsed(&adaptExt->vdev, adaptExt->msix_enabled);
}
else
{
RhelDbgPrint(TRACE_LEVEL_FATAL, ("NOT A PCI_DEVICE_TYPE\n"));
}
}
}
else
{
RhelDbgPrint(TRACE_LEVEL_FATAL, ("CANNOT READ PCI CONFIGURATION SPACE %d\n", pci_cfg_len));
}
#endif
VirtIODeviceReset(&adaptExt->vdev);
VirtIODeviceAddStatus(&adaptExt->vdev, VIRTIO_CONFIG_S_ACKNOWLEDGE);
WriteVirtIODeviceWord(adaptExt->vdev.addr + VIRTIO_PCI_QUEUE_SEL, (USHORT)0);
if (adaptExt->dump_mode) {
WriteVirtIODeviceWord(adaptExt->vdev.addr + VIRTIO_PCI_QUEUE_PFN, (USHORT)0);
}
adaptExt->features = ReadVirtIODeviceRegister(adaptExt->vdev.addr + VIRTIO_PCI_HOST_FEATURES);
ConfigInfo->CachesData = CHECKBIT(adaptExt->features, VIRTIO_BLK_F_WCACHE) ? TRUE : FALSE;
if (ConfigInfo->CachesData) {
u32 GuestFeatures = 0;
VirtIOFeatureEnable(GuestFeatures, VIRTIO_BLK_F_WCACHE);
VirtIODeviceWriteGuestFeatures(&adaptExt->vdev, GuestFeatures);
}
RhelDbgPrint(TRACE_LEVEL_INFORMATION, ("VIRTIO_BLK_F_WCACHE = %d\n", ConfigInfo->CachesData));
VirtIODeviceQueryQueueAllocation(&adaptExt->vdev, 0, &pageNum, &allocationSize);
if(adaptExt->dump_mode) {
ConfigInfo->NumberOfPhysicalBreaks = 8;
} else {
ConfigInfo->NumberOfPhysicalBreaks = MAX_PHYS_SEGMENTS + 1;
}
ConfigInfo->MaximumTransferLength = 0x00FFFFFF;
adaptExt->queue_depth = pageNum / ConfigInfo->NumberOfPhysicalBreaks - 1;
#if (INDIRECT_SUPPORTED)
if(!adaptExt->dump_mode) {
adaptExt->indirect = CHECKBIT(adaptExt->features, VIRTIO_RING_F_INDIRECT_DESC);
}
if(adaptExt->indirect) {
adaptExt->queue_depth = pageNum;
}
#else
adaptExt->indirect = 0;
#endif
RhelDbgPrint(TRACE_LEVEL_INFORMATION, ("breaks_number = %x queue_depth = %x\n",
ConfigInfo->NumberOfPhysicalBreaks,
adaptExt->queue_depth));
adaptExt->uncachedExtensionVa = ScsiPortGetUncachedExtension(DeviceExtension, ConfigInfo, allocationSize);
if (!adaptExt->uncachedExtensionVa) {
LogError(DeviceExtension,
SP_INTERNAL_ADAPTER_ERROR,
__LINE__);
RhelDbgPrint(TRACE_LEVEL_FATAL, ("Couldn't get uncached extension\n"));
return SP_RETURN_ERROR;
}
InitializeListHead(&adaptExt->list_head);
#ifdef USE_STORPORT
InitializeListHead(&adaptExt->complete_list);
#endif
return SP_RETURN_FOUND;
}
ULONG
FindAdapter (IN PVOID HAObject, IN PVOID PContext, IN PVOID BusInfo,
IN PCHAR ArgString, IN OUT PPORT_CONFIGURATION_INFORMATION Config,
OUT PBOOLEAN PAgain)
{
ADAPTER_PTR HA = HAObject;
TRACE(3, ("FindAdapter(): Adapter ptr = %x, Config ptr = %x, Len = 0x%x\n", HA, Config, sizeof(struct _PORT_CONFIGURATION_INFORMATION)));
/* Hunt down and register the adapters in the system: */
HA->IOBaseAddr = (U16)ScsiPortConvertPhysicalAddressToUlong(
(*Config->AccessRanges)[0].RangeStart);
if (Adapter_Init(HA, (unsigned *)PContext)) {
// Set Again TRUE, only if we're being called with a non-sepcific access range
*PAgain = ScsiPortConvertPhysicalAddressToUlong(
(*Config->AccessRanges)[0].RangeStart) == 0;
Config->BusInterruptLevel = HA->IRQNumber;
Config->ScatterGather = HA->Supports.ScatterGather;
Config->MaximumTransferLength = 0x400000;
Config->NumberOfPhysicalBreaks = 0x400;
// Config->NumberOfPhysicalBreaks = HA->MaxSGListLength;
(*Config->AccessRanges)[0].RangeStart = ScsiPortConvertUlongToPhysicalAddress(HA->IOBaseAddr);
(*Config->AccessRanges)[0].RangeLength = HA->IOAddrLen;
(*Config->AccessRanges)[0].RangeInMemory = FALSE;
Config->NumberOfBuses = 1;
Config->InitiatorBusId[0] = HA->SCSI_ID;
Config->Master = (HA->Physical.Xfermode == XM_MASTER) || (HA->Physical.Xfermode == XM_MASTER24);
Config->Dma32BitAddresses = (HA->Physical.Xfermode == XM_MASTER);
Config->DemandMode = (HA->Physical.Xfermode == XM_DMAD);
Config->NeedPhysicalAddresses = XM_PHYSICAL(HA->Physical.Xfermode);
Config->MapBuffers = TRUE;
Config->CachesData = HA->Supports.Caching;
Config->AlignmentMask = 0x3;
Config->TaggedQueuing = FALSE;
#if defined(AUTOSENSE)
Config->AutoRequestSense = TRUE;
#else
Config->AutoRequestSense = FALSE;
#endif
Config->MultipleRequestPerLu = Config->AutoRequestSense;
Config->ReceiveEvent = FALSE;
HA->Ext = ScsiPortGetUncachedExtension(HA, Config, sizeof(AdapterExtension));
return SP_RETURN_FOUND;
} else {
*PAgain = FALSE;
return SP_RETURN_NOT_FOUND;
}
}
ULONG
Wd7000ExFindAdapter(
IN PVOID HwDeviceExtension,
IN PVOID Context,
IN PVOID BusInformation,
IN PCHAR ArgumentString,
IN OUT PPORT_CONFIGURATION_INFORMATION ConfigInfo,
OUT PBOOLEAN Again
)
/*++
Routine Description:
This function is called by the OS-specific port driver after
the necessary storage has been allocated, to gather information
about the adapter's configuration.
Arguments:
HwDeviceExtension - HBA miniport driver's adapter data storage
ConfigInfo - Configuration information structure describing HBA
Return Value:
TRUE if adapter present in system
--*/
{
PHW_DEVICE_EXTENSION deviceExtension = HwDeviceExtension;
PEISA_CONTROLLER eisaController;
PULONG adapterCount = Context;
PNONCACHED_EXTENSION ncExtension;
ULONG eisaSlotNumber;
PICB icb;
PADAPTER_INQUIRY adapterInquiry;
ULONG physicalIcb;
ULONG i;
ULONG length;
UCHAR status;
//
// Check to see if adapter present in system.
//
if (!AdapterPresent(deviceExtension, ConfigInfo, Context)) {
DebugPrint((1,"Wd7000EX: SCSI adapter not present\n"));
*Again = FALSE;
return SP_RETURN_NOT_FOUND;
}
//
// There is still more to look at.
//
*Again = FALSE;
//
// Fill in the access array information only if there are no
// default parameters already there.
//
if (ScsiPortConvertPhysicalAddressToUlong(
(*ConfigInfo->AccessRanges)[0].RangeStart) == 0) {
*Again = TRUE;
(*ConfigInfo->AccessRanges)[0].RangeStart =
ScsiPortConvertUlongToPhysicalAddress(0x1000 * (*((PULONG) Context)) + EISA_ADDRESS_BASE);
(*ConfigInfo->AccessRanges)[0].RangeLength = sizeof(EISA_CONTROLLER);
(*ConfigInfo->AccessRanges)[0].RangeInMemory = FALSE;
//
// Indicate maximum transfer length in bytes.
//
ConfigInfo->MaximumTransferLength = MAXIMUM_TRANSFER_SIZE;
//
// Maximum number of physical segments is 32.
//
ConfigInfo->NumberOfPhysicalBreaks = MAXIMUM_SDL_SIZE;
//
// Set the configuration parameters for this card.
//
ConfigInfo->NumberOfBuses = 1;
deviceExtension->NumberOfBuses = 1;
ConfigInfo->ScatterGather = TRUE;
ConfigInfo->Master = TRUE;
//
// Get a noncached extension for an adapter inquiry command.
//
ncExtension = ScsiPortGetUncachedExtension(
deviceExtension,
ConfigInfo,
sizeof(NONCACHED_EXTENSION));
if (ncExtension == NULL) {
//
// Log error.
//
ScsiPortLogError(
deviceExtension,
NULL,
0,
0,
0,
SP_INTERNAL_ADAPTER_ERROR,
6 << 16
);
return SP_RETURN_ERROR;
}
length = sizeof(NONCACHED_EXTENSION);
//
// Convert virtual to physical address.
//
physicalIcb = ScsiPortConvertPhysicalAddressToUlong(
ScsiPortGetPhysicalAddress(deviceExtension,
NULL,
ncExtension,
&length));
//
// Initialize the pointers.
//
icb = &ncExtension->Icb;
adapterInquiry = &ncExtension->AdapterInquiry;
//
// Create ICB for Adapter Inquiry Command.
//
icb->IcbFlags = 0;
icb->CompletionStatus = 0;
icb->Reserved = 0;
icb->DataBufferAddress = ScsiPortConvertPhysicalAddressToUlong(
ScsiPortGetPhysicalAddress(
deviceExtension,
NULL,
adapterInquiry,
&length));
icb->TransferCount = sizeof(ADAPTER_INQUIRY);
icb->OpCode = ADAPTER_INQUIRY_COMMAND;
//
// Get ICB physical address.
//
physicalIcb = ScsiPortConvertPhysicalAddressToUlong(
ScsiPortGetPhysicalAddress(
deviceExtension,
NULL,
icb,
&length));
//
// Disable system interrupts.
//
ScsiPortWritePortUchar(&deviceExtension->EisaController->SystemInterruptEnable,
SYSTEM_INTERRUPTS_DISABLE);
//
// Write ICB physical address and command to mailbox.
//
SendCommand(PROCESS_ICB,
physicalIcb,
deviceExtension);
//
// Poll for ICB completion.
//
i = 0;
while ((status =
ScsiPortReadPortUchar(
&deviceExtension->EisaController->ResponseRegister)) == 0) {
i++;
if (i > 100000) {
break;
}
ScsiPortStallExecution(10);
}
if (status == 0) {
//
// The request timed out. Log an error and return.
//
ScsiPortLogError(
deviceExtension,
NULL,
0,
0,
0,
SP_INTERNAL_ADAPTER_ERROR,
7 << 16
);
return SP_RETURN_ERROR;
}
DebugPrint((1, "Wd7000ExFindAdapter: Get configuration request time = %d.\n", i * 10));
//
// Acknowledge interrupt.
//
ScsiPortWritePortUchar(&deviceExtension->EisaController->ResponseRegister, 0xFF);
//
// Enable system interrupts.
//
ScsiPortWritePortUchar(&deviceExtension->EisaController->SystemInterruptEnable,
SYSTEM_INTERRUPTS_ENABLE);
//
// Check returned status for success.
//
if (status != COMPLETE_SUCCESS) {
//
// Give up.
//
DebugPrint((1,"Wd7000Ex: Response register %x\n", status));
DebugPrint((1,"Wd7000Ex: Adapter inquiry failed\n"));
//
// Log error.
//
ScsiPortLogError(
deviceExtension,
NULL,
0,
0,
0,
SP_INTERNAL_ADAPTER_ERROR,
8 << 16
);
return SP_RETURN_ERROR;
}
//
// NOTE: Delay here. I don't understand this latency between
// when the device interrupts and the status of the ICB
// is success and when the data is actually available in
// the buffer.
//
ScsiPortStallExecution(300);
if (adapterInquiry->AdapterInformation & DUAL_CHANNEL) {
//
// There are two buses on the adapter.
//
ConfigInfo->InitiatorBusId[1] =
(adapterInquiry->ChannelInformation >> 4) & BUS_ID_MASK;
ConfigInfo->NumberOfBuses = 2;
deviceExtension->NumberOfBuses = 2;
}
