static void BusLogic_AnnounceDriver(struct BusLogic_HostAdapter *HostAdapter)
{
- BusLogic_Announce("***** BusLogic SCSI Driver Version "
- BusLogic_DriverVersion " of "
- BusLogic_DriverDate " *****\n", HostAdapter);
- BusLogic_Announce("Copyright 1995-1998 by Leonard N. Zubkoff "
- "<lnz@dandelion.com>\n", HostAdapter);
+ BusLogic_Announce("***** BusLogic SCSI Driver Version " BusLogic_DriverVersion " of " BusLogic_DriverDate " *****\n", HostAdapter);
+ BusLogic_Announce("Copyright 1995-1998 by Leonard N. Zubkoff " "<lnz@dandelion.com>\n", HostAdapter);
}
static const char *BusLogic_DriverInfo(struct Scsi_Host *Host)
{
- struct BusLogic_HostAdapter *HostAdapter =
- (struct BusLogic_HostAdapter *) Host->hostdata;
- return HostAdapter->FullModelName;
+ struct BusLogic_HostAdapter *HostAdapter = (struct BusLogic_HostAdapter *) Host->hostdata;
+ return HostAdapter->FullModelName;
}
static void __init BusLogic_RegisterHostAdapter(struct BusLogic_HostAdapter *HostAdapter)
{
- HostAdapter->Next = NULL;
- if (BusLogic_FirstRegisteredHostAdapter == NULL)
- {
- BusLogic_FirstRegisteredHostAdapter = HostAdapter;
- BusLogic_LastRegisteredHostAdapter = HostAdapter;
- }
- else
- {
- BusLogic_LastRegisteredHostAdapter->Next = HostAdapter;
- BusLogic_LastRegisteredHostAdapter = HostAdapter;
- }
+ HostAdapter->Next = NULL;
+ if (BusLogic_FirstRegisteredHostAdapter == NULL) {
+ BusLogic_FirstRegisteredHostAdapter = HostAdapter;
+ BusLogic_LastRegisteredHostAdapter = HostAdapter;
+ } else {
+ BusLogic_LastRegisteredHostAdapter->Next = HostAdapter;
+ BusLogic_LastRegisteredHostAdapter = HostAdapter;
+ }
}
static void BusLogic_UnregisterHostAdapter(struct BusLogic_HostAdapter *HostAdapter)
{
- if (HostAdapter == BusLogic_FirstRegisteredHostAdapter)
- {
- BusLogic_FirstRegisteredHostAdapter =
- BusLogic_FirstRegisteredHostAdapter->Next;
- if (HostAdapter == BusLogic_LastRegisteredHostAdapter)
- BusLogic_LastRegisteredHostAdapter = NULL;
- }
- else
- {
- struct BusLogic_HostAdapter *PreviousHostAdapter =
- BusLogic_FirstRegisteredHostAdapter;
- while (PreviousHostAdapter != NULL &&
- PreviousHostAdapter->Next != HostAdapter)
- PreviousHostAdapter = PreviousHostAdapter->Next;
- if (PreviousHostAdapter != NULL)
- PreviousHostAdapter->Next = HostAdapter->Next;
- }
- HostAdapter->Next = NULL;
+ if (HostAdapter == BusLogic_FirstRegisteredHostAdapter) {
+ BusLogic_FirstRegisteredHostAdapter = BusLogic_FirstRegisteredHostAdapter->Next;
+ if (HostAdapter == BusLogic_LastRegisteredHostAdapter)
+ BusLogic_LastRegisteredHostAdapter = NULL;
+ } else {
+ struct BusLogic_HostAdapter *PreviousHostAdapter = BusLogic_FirstRegisteredHostAdapter;
+ while (PreviousHostAdapter != NULL && PreviousHostAdapter->Next != HostAdapter)
+ PreviousHostAdapter = PreviousHostAdapter->Next;
+ if (PreviousHostAdapter != NULL)
+ PreviousHostAdapter->Next = HostAdapter->Next;
+ }
+ HostAdapter->Next = NULL;
}
created CCBs are added to Host Adapter's free list.
*/
-static void BusLogic_InitializeCCBs(struct BusLogic_HostAdapter *HostAdapter,
- void *BlockPointer, int BlockSize,
- dma_addr_t BlockPointerHandle)
+static void BusLogic_InitializeCCBs(struct BusLogic_HostAdapter *HostAdapter, void *BlockPointer, int BlockSize, dma_addr_t BlockPointerHandle)
{
- struct BusLogic_CCB *CCB = (struct BusLogic_CCB *) BlockPointer;
- unsigned int offset = 0;
- memset(BlockPointer, 0, BlockSize);
- CCB->AllocationGroupHead = BlockPointerHandle;
- CCB->AllocationGroupSize = BlockSize;
- while ((BlockSize -= sizeof(struct BusLogic_CCB)) >= 0)
- {
- CCB->Status = BusLogic_CCB_Free;
- CCB->HostAdapter = HostAdapter;
- CCB->DMA_Handle = (u32)BlockPointerHandle + offset;
- if (BusLogic_FlashPointHostAdapterP(HostAdapter))
- {
- CCB->CallbackFunction = BusLogic_QueueCompletedCCB;
- CCB->BaseAddress = HostAdapter->FlashPointInfo.BaseAddress;
+ struct BusLogic_CCB *CCB = (struct BusLogic_CCB *) BlockPointer;
+ unsigned int offset = 0;
+ memset(BlockPointer, 0, BlockSize);
+ CCB->AllocationGroupHead = BlockPointerHandle;
+ CCB->AllocationGroupSize = BlockSize;
+ while ((BlockSize -= sizeof(struct BusLogic_CCB)) >= 0) {
+ CCB->Status = BusLogic_CCB_Free;
+ CCB->HostAdapter = HostAdapter;
+ CCB->DMA_Handle = (u32) BlockPointerHandle + offset;
+ if (BusLogic_FlashPointHostAdapterP(HostAdapter)) {
+ CCB->CallbackFunction = BusLogic_QueueCompletedCCB;
+ CCB->BaseAddress = HostAdapter->FlashPointInfo.BaseAddress;
+ }
+ CCB->Next = HostAdapter->Free_CCBs;
+ CCB->NextAll = HostAdapter->All_CCBs;
+ HostAdapter->Free_CCBs = CCB;
+ HostAdapter->All_CCBs = CCB;
+ HostAdapter->AllocatedCCBs++;
+ CCB++;
+ offset += sizeof(struct BusLogic_CCB);
}
- CCB->Next = HostAdapter->Free_CCBs;
- CCB->NextAll = HostAdapter->All_CCBs;
- HostAdapter->Free_CCBs = CCB;
- HostAdapter->All_CCBs = CCB;
- HostAdapter->AllocatedCCBs++;
- CCB++;
- offset += sizeof(struct BusLogic_CCB);
- }
}
static boolean __init BusLogic_CreateInitialCCBs(struct BusLogic_HostAdapter *HostAdapter)
{
- int BlockSize = BusLogic_CCB_AllocationGroupSize * sizeof(struct BusLogic_CCB);
- void *BlockPointer;
- dma_addr_t BlockPointerHandle;
- while (HostAdapter->AllocatedCCBs < HostAdapter->InitialCCBs)
- {
- BlockPointer = pci_alloc_consistent(HostAdapter->PCI_Device, BlockSize,
- &BlockPointerHandle);
- if (BlockPointer == NULL)
- {
- BusLogic_Error("UNABLE TO ALLOCATE CCB GROUP - DETACHING\n",
- HostAdapter);
- return false;
+ int BlockSize = BusLogic_CCB_AllocationGroupSize * sizeof(struct BusLogic_CCB);
+ void *BlockPointer;
+ dma_addr_t BlockPointerHandle;
+ while (HostAdapter->AllocatedCCBs < HostAdapter->InitialCCBs) {
+ BlockPointer = pci_alloc_consistent(HostAdapter->PCI_Device, BlockSize, &BlockPointerHandle);
+ if (BlockPointer == NULL) {
+ BusLogic_Error("UNABLE TO ALLOCATE CCB GROUP - DETACHING\n", HostAdapter);
+ return false;
+ }
+ BusLogic_InitializeCCBs(HostAdapter, BlockPointer, BlockSize, BlockPointerHandle);
}
- BusLogic_InitializeCCBs(HostAdapter, BlockPointer, BlockSize,
- BlockPointerHandle);
- }
- return true;
+ return true;
}
static void BusLogic_DestroyCCBs(struct BusLogic_HostAdapter *HostAdapter)
{
- struct BusLogic_CCB *NextCCB = HostAdapter->All_CCBs, *CCB, *Last_CCB = NULL;
- HostAdapter->All_CCBs = NULL;
- HostAdapter->Free_CCBs = NULL;
- while ((CCB = NextCCB) != NULL)
- {
- NextCCB = CCB->NextAll;
- if (CCB->AllocationGroupHead)
- {
- if (Last_CCB)
- pci_free_consistent(HostAdapter->PCI_Device,
- Last_CCB->AllocationGroupSize, Last_CCB,
- Last_CCB->AllocationGroupHead);
- Last_CCB = CCB;
+ struct BusLogic_CCB *NextCCB = HostAdapter->All_CCBs, *CCB, *Last_CCB = NULL;
+ HostAdapter->All_CCBs = NULL;
+ HostAdapter->Free_CCBs = NULL;
+ while ((CCB = NextCCB) != NULL) {
+ NextCCB = CCB->NextAll;
+ if (CCB->AllocationGroupHead) {
+ if (Last_CCB)
+ pci_free_consistent(HostAdapter->PCI_Device, Last_CCB->AllocationGroupSize, Last_CCB, Last_CCB->AllocationGroupHead);
+ Last_CCB = CCB;
+ }
}
- }
- if (Last_CCB)
- pci_free_consistent(HostAdapter->PCI_Device,
- Last_CCB->AllocationGroupSize, Last_CCB,
- Last_CCB->AllocationGroupHead);
+ if (Last_CCB)
+ pci_free_consistent(HostAdapter->PCI_Device, Last_CCB->AllocationGroupSize, Last_CCB, Last_CCB->AllocationGroupHead);
}
multiple host adapters share the same IRQ Channel.
*/
-static void BusLogic_CreateAdditionalCCBs(struct BusLogic_HostAdapter *HostAdapter,
- int AdditionalCCBs,
- boolean SuccessMessageP)
+static void BusLogic_CreateAdditionalCCBs(struct BusLogic_HostAdapter *HostAdapter, int AdditionalCCBs, boolean SuccessMessageP)
{
- int BlockSize = BusLogic_CCB_AllocationGroupSize * sizeof(struct BusLogic_CCB);
- int PreviouslyAllocated = HostAdapter->AllocatedCCBs;
- void *BlockPointer;
- dma_addr_t BlockPointerHandle;
- if (AdditionalCCBs <= 0) return;
- while (HostAdapter->AllocatedCCBs - PreviouslyAllocated < AdditionalCCBs)
- {
- BlockPointer = pci_alloc_consistent(HostAdapter->PCI_Device, BlockSize,
- &BlockPointerHandle);
- if (BlockPointer == NULL) break;
- BusLogic_InitializeCCBs(HostAdapter, BlockPointer, BlockSize,
- BlockPointerHandle);
- }
- if (HostAdapter->AllocatedCCBs > PreviouslyAllocated)
- {
- if (SuccessMessageP)
- BusLogic_Notice("Allocated %d additional CCBs (total now %d)\n",
- HostAdapter,
- HostAdapter->AllocatedCCBs - PreviouslyAllocated,
- HostAdapter->AllocatedCCBs);
- return;
- }
- BusLogic_Notice("Failed to allocate additional CCBs\n", HostAdapter);
- if (HostAdapter->DriverQueueDepth >
- HostAdapter->AllocatedCCBs - HostAdapter->TargetDeviceCount)
- {
- HostAdapter->DriverQueueDepth =
- HostAdapter->AllocatedCCBs - HostAdapter->TargetDeviceCount;
- HostAdapter->SCSI_Host->can_queue = HostAdapter->DriverQueueDepth;
- }
+ int BlockSize = BusLogic_CCB_AllocationGroupSize * sizeof(struct BusLogic_CCB);
+ int PreviouslyAllocated = HostAdapter->AllocatedCCBs;
+ void *BlockPointer;
+ dma_addr_t BlockPointerHandle;
+ if (AdditionalCCBs <= 0)
+ return;
+ while (HostAdapter->AllocatedCCBs - PreviouslyAllocated < AdditionalCCBs) {
+ BlockPointer = pci_alloc_consistent(HostAdapter->PCI_Device, BlockSize, &BlockPointerHandle);
+ if (BlockPointer == NULL)
+ break;
+ BusLogic_InitializeCCBs(HostAdapter, BlockPointer, BlockSize, BlockPointerHandle);
+ }
+ if (HostAdapter->AllocatedCCBs > PreviouslyAllocated) {
+ if (SuccessMessageP)
+ BusLogic_Notice("Allocated %d additional CCBs (total now %d)\n", HostAdapter, HostAdapter->AllocatedCCBs - PreviouslyAllocated, HostAdapter->AllocatedCCBs);
+ return;
+ }
+ BusLogic_Notice("Failed to allocate additional CCBs\n", HostAdapter);
+ if (HostAdapter->DriverQueueDepth > HostAdapter->AllocatedCCBs - HostAdapter->TargetDeviceCount) {
+ HostAdapter->DriverQueueDepth = HostAdapter->AllocatedCCBs - HostAdapter->TargetDeviceCount;
+ HostAdapter->SCSI_Host->can_queue = HostAdapter->DriverQueueDepth;
+ }
}
/*
*/
static struct BusLogic_CCB *BusLogic_AllocateCCB(struct BusLogic_HostAdapter
- *HostAdapter)
+ *HostAdapter)
{
- static unsigned long SerialNumber = 0;
- struct BusLogic_CCB *CCB;
- CCB = HostAdapter->Free_CCBs;
- if (CCB != NULL)
- {
- CCB->SerialNumber = ++SerialNumber;
- HostAdapter->Free_CCBs = CCB->Next;
- CCB->Next = NULL;
- if (HostAdapter->Free_CCBs == NULL)
- BusLogic_CreateAdditionalCCBs(HostAdapter,
- HostAdapter->IncrementalCCBs,
- true);
- return CCB;
- }
- BusLogic_CreateAdditionalCCBs(HostAdapter,
- HostAdapter->IncrementalCCBs,
- true);
- CCB = HostAdapter->Free_CCBs;
- if (CCB == NULL) return NULL;
- CCB->SerialNumber = ++SerialNumber;
- HostAdapter->Free_CCBs = CCB->Next;
- CCB->Next = NULL;
- return CCB;
+ static unsigned long SerialNumber = 0;
+ struct BusLogic_CCB *CCB;
+ CCB = HostAdapter->Free_CCBs;
+ if (CCB != NULL) {
+ CCB->SerialNumber = ++SerialNumber;
+ HostAdapter->Free_CCBs = CCB->Next;
+ CCB->Next = NULL;
+ if (HostAdapter->Free_CCBs == NULL)
+ BusLogic_CreateAdditionalCCBs(HostAdapter, HostAdapter->IncrementalCCBs, true);
+ return CCB;
+ }
+ BusLogic_CreateAdditionalCCBs(HostAdapter, HostAdapter->IncrementalCCBs, true);
+ CCB = HostAdapter->Free_CCBs;
+ if (CCB == NULL)
+ return NULL;
+ CCB->SerialNumber = ++SerialNumber;
+ HostAdapter->Free_CCBs = CCB->Next;
+ CCB->Next = NULL;
+ return CCB;
}
static void BusLogic_DeallocateCCB(struct BusLogic_CCB *CCB)
{
- struct BusLogic_HostAdapter *HostAdapter = CCB->HostAdapter;
- if (CCB->Command->use_sg != 0)
- {
- pci_unmap_sg(HostAdapter->PCI_Device,
- (struct scatterlist *)CCB->Command->request_buffer,
- CCB->Command->use_sg,
- scsi_to_pci_dma_dir(CCB->Command->sc_data_direction));
- }
- else if (CCB->Command->request_bufflen != 0)
- {
- pci_unmap_single(HostAdapter->PCI_Device, CCB->DataPointer,
- CCB->DataLength,
- scsi_to_pci_dma_dir(CCB->Command->sc_data_direction));
- }
- pci_unmap_single(HostAdapter->PCI_Device, CCB->SenseDataPointer,
- CCB->SenseDataLength, PCI_DMA_FROMDEVICE);
- CCB->Command = NULL;
- CCB->Status = BusLogic_CCB_Free;
- CCB->Next = HostAdapter->Free_CCBs;
- HostAdapter->Free_CCBs = CCB;
+ struct BusLogic_HostAdapter *HostAdapter = CCB->HostAdapter;
+ if (CCB->Command->use_sg != 0) {
+ pci_unmap_sg(HostAdapter->PCI_Device, (struct scatterlist *) CCB->Command->request_buffer, CCB->Command->use_sg, scsi_to_pci_dma_dir(CCB->Command->sc_data_direction));
+ } else if (CCB->Command->request_bufflen != 0) {
+ pci_unmap_single(HostAdapter->PCI_Device, CCB->DataPointer, CCB->DataLength, scsi_to_pci_dma_dir(CCB->Command->sc_data_direction));
+ }
+ pci_unmap_single(HostAdapter->PCI_Device, CCB->SenseDataPointer, CCB->SenseDataLength, PCI_DMA_FROMDEVICE);
+ CCB->Command = NULL;
+ CCB->Status = BusLogic_CCB_Free;
+ CCB->Next = HostAdapter->Free_CCBs;
+ HostAdapter->Free_CCBs = CCB;
}
waiting for the Host Adapter Ready bit to be set in the Status Register.
*/
-static int BusLogic_Command(struct BusLogic_HostAdapter *HostAdapter,
- enum BusLogic_OperationCode OperationCode,
- void *ParameterData,
- int ParameterLength,
- void *ReplyData,
- int ReplyLength)
+static int BusLogic_Command(struct BusLogic_HostAdapter *HostAdapter, enum BusLogic_OperationCode OperationCode, void *ParameterData, int ParameterLength, void *ReplyData, int ReplyLength)
{
- unsigned char *ParameterPointer = (unsigned char *) ParameterData;
- unsigned char *ReplyPointer = (unsigned char *) ReplyData;
- union BusLogic_StatusRegister StatusRegister;
- union BusLogic_InterruptRegister InterruptRegister;
- unsigned long ProcessorFlags = 0;
- int ReplyBytes = 0, Result;
- long TimeoutCounter;
- /*
- Clear out the Reply Data if provided.
- */
- if (ReplyLength > 0)
- memset(ReplyData, 0, ReplyLength);
- /*
- If the IRQ Channel has not yet been acquired, then interrupts must be
- disabled while issuing host adapter commands since a Command Complete
- interrupt could occur if the IRQ Channel was previously enabled by another
- BusLogic Host Adapter or another driver sharing the same IRQ Channel.
- */
- if (!HostAdapter->IRQ_ChannelAcquired)
- {
- local_irq_save(ProcessorFlags);
- local_irq_disable();
- }
- /*
- Wait for the Host Adapter Ready bit to be set and the Command/Parameter
- Register Busy bit to be reset in the Status Register.
- */
- TimeoutCounter = 10000;
- while (--TimeoutCounter >= 0)
- {
- StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
- if (StatusRegister.sr.HostAdapterReady &&
- !StatusRegister.sr.CommandParameterRegisterBusy)
- break;
- udelay(100);
- }
- if (TimeoutCounter < 0)
- {
- BusLogic_CommandFailureReason = "Timeout waiting for Host Adapter Ready";
- Result = -2;
- goto Done;
- }
- /*
- Write the OperationCode to the Command/Parameter Register.
- */
- HostAdapter->HostAdapterCommandCompleted = false;
- BusLogic_WriteCommandParameterRegister(HostAdapter, OperationCode);
- /*
- Write any additional Parameter Bytes.
- */
- TimeoutCounter = 10000;
- while (ParameterLength > 0 && --TimeoutCounter >= 0)
- {
- /*
- Wait 100 microseconds to give the Host Adapter enough time to determine
- whether the last value written to the Command/Parameter Register was
- valid or not. If the Command Complete bit is set in the Interrupt
- Register, then the Command Invalid bit in the Status Register will be
- reset if the Operation Code or Parameter was valid and the command
- has completed, or set if the Operation Code or Parameter was invalid.
- If the Data In Register Ready bit is set in the Status Register, then
- the Operation Code was valid, and data is waiting to be read back
- from the Host Adapter. Otherwise, wait for the Command/Parameter
- Register Busy bit in the Status Register to be reset.
- */
- udelay(100);
- InterruptRegister.All = BusLogic_ReadInterruptRegister(HostAdapter);
- StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
- if (InterruptRegister.ir.CommandComplete) break;
- if (HostAdapter->HostAdapterCommandCompleted) break;
- if (StatusRegister.sr.DataInRegisterReady) break;
- if (StatusRegister.sr.CommandParameterRegisterBusy) continue;
- BusLogic_WriteCommandParameterRegister(HostAdapter, *ParameterPointer++);
- ParameterLength--;
- }
- if (TimeoutCounter < 0)
- {
- BusLogic_CommandFailureReason =
- "Timeout waiting for Parameter Acceptance";
- Result = -2;
- goto Done;
- }
- /*
- The Modify I/O Address command does not cause a Command Complete Interrupt.
- */
- if (OperationCode == BusLogic_ModifyIOAddress)
- {
- StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
- if (StatusRegister.sr.CommandInvalid)
- {
- BusLogic_CommandFailureReason = "Modify I/O Address Invalid";
- Result = -1;
- goto Done;
+ unsigned char *ParameterPointer = (unsigned char *) ParameterData;
+ unsigned char *ReplyPointer = (unsigned char *) ReplyData;
+ union BusLogic_StatusRegister StatusRegister;
+ union BusLogic_InterruptRegister InterruptRegister;
+ unsigned long ProcessorFlags = 0;
+ int ReplyBytes = 0, Result;
+ long TimeoutCounter;
+ /*
+ Clear out the Reply Data if provided.
+ */
+ if (ReplyLength > 0)
+ memset(ReplyData, 0, ReplyLength);
+ /*
+ If the IRQ Channel has not yet been acquired, then interrupts must be
+ disabled while issuing host adapter commands since a Command Complete
+ interrupt could occur if the IRQ Channel was previously enabled by another
+ BusLogic Host Adapter or another driver sharing the same IRQ Channel.
+ */
+ if (!HostAdapter->IRQ_ChannelAcquired) {
+ local_irq_save(ProcessorFlags);
+ local_irq_disable();
+ }
+ /*
+ Wait for the Host Adapter Ready bit to be set and the Command/Parameter
+ Register Busy bit to be reset in the Status Register.
+ */
+ TimeoutCounter = 10000;
+ while (--TimeoutCounter >= 0) {
+ StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
+ if (StatusRegister.sr.HostAdapterReady && !StatusRegister.sr.CommandParameterRegisterBusy)
+ break;
+ udelay(100);
+ }
+ if (TimeoutCounter < 0) {
+ BusLogic_CommandFailureReason = "Timeout waiting for Host Adapter Ready";
+ Result = -2;
+ goto Done;
+ }
+ /*
+ Write the OperationCode to the Command/Parameter Register.
+ */
+ HostAdapter->HostAdapterCommandCompleted = false;
+ BusLogic_WriteCommandParameterRegister(HostAdapter, OperationCode);
+ /*
+ Write any additional Parameter Bytes.
+ */
+ TimeoutCounter = 10000;
+ while (ParameterLength > 0 && --TimeoutCounter >= 0) {
+ /*
+ Wait 100 microseconds to give the Host Adapter enough time to determine
+ whether the last value written to the Command/Parameter Register was
+ valid or not. If the Command Complete bit is set in the Interrupt
+ Register, then the Command Invalid bit in the Status Register will be
+ reset if the Operation Code or Parameter was valid and the command
+ has completed, or set if the Operation Code or Parameter was invalid.
+ If the Data In Register Ready bit is set in the Status Register, then
+ the Operation Code was valid, and data is waiting to be read back
+ from the Host Adapter. Otherwise, wait for the Command/Parameter
+ Register Busy bit in the Status Register to be reset.
+ */
+ udelay(100);
+ InterruptRegister.All = BusLogic_ReadInterruptRegister(HostAdapter);
+ StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
+ if (InterruptRegister.ir.CommandComplete)
+ break;
+ if (HostAdapter->HostAdapterCommandCompleted)
+ break;
+ if (StatusRegister.sr.DataInRegisterReady)
+ break;
+ if (StatusRegister.sr.CommandParameterRegisterBusy)
+ continue;
+ BusLogic_WriteCommandParameterRegister(HostAdapter, *ParameterPointer++);
+ ParameterLength--;
}
- if (BusLogic_GlobalOptions.TraceConfiguration)
- BusLogic_Notice("BusLogic_Command(%02X) Status = %02X: "
- "(Modify I/O Address)\n", HostAdapter,
- OperationCode, StatusRegister.All);
- Result = 0;
- goto Done;
- }
- /*
- Select an appropriate timeout value for awaiting command completion.
- */
- switch (OperationCode)
- {
- case BusLogic_InquireInstalledDevicesID0to7:
- case BusLogic_InquireInstalledDevicesID8to15:
- case BusLogic_InquireTargetDevices:
- /* Approximately 60 seconds. */
- TimeoutCounter = 60*10000;
- break;
- default:
- /* Approximately 1 second. */
- TimeoutCounter = 10000;
- break;
- }
- /*
- Receive any Reply Bytes, waiting for either the Command Complete bit to
- be set in the Interrupt Register, or for the Interrupt Handler to set the
- Host Adapter Command Completed bit in the Host Adapter structure.
- */
- while (--TimeoutCounter >= 0)
- {
- InterruptRegister.All = BusLogic_ReadInterruptRegister(HostAdapter);
- StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
- if (InterruptRegister.ir.CommandComplete) break;
- if (HostAdapter->HostAdapterCommandCompleted) break;
- if (StatusRegister.sr.DataInRegisterReady)
- {
- if (++ReplyBytes <= ReplyLength)
- *ReplyPointer++ = BusLogic_ReadDataInRegister(HostAdapter);
- else BusLogic_ReadDataInRegister(HostAdapter);
+ if (TimeoutCounter < 0) {
+ BusLogic_CommandFailureReason = "Timeout waiting for Parameter Acceptance";
+ Result = -2;
+ goto Done;
}
- if (OperationCode == BusLogic_FetchHostAdapterLocalRAM &&
- StatusRegister.sr.HostAdapterReady) break;
- udelay(100);
- }
- if (TimeoutCounter < 0)
- {
- BusLogic_CommandFailureReason = "Timeout waiting for Command Complete";
- Result = -2;
- goto Done;
- }
- /*
- Clear any pending Command Complete Interrupt.
- */
- BusLogic_InterruptReset(HostAdapter);
- /*
- Provide tracing information if requested.
- */
- if (BusLogic_GlobalOptions.TraceConfiguration)
- {
- int i;
- BusLogic_Notice("BusLogic_Command(%02X) Status = %02X: %2d ==> %2d:",
- HostAdapter, OperationCode,
- StatusRegister.All, ReplyLength, ReplyBytes);
- if (ReplyLength > ReplyBytes) ReplyLength = ReplyBytes;
- for (i = 0; i < ReplyLength; i++)
- BusLogic_Notice(" %02X", HostAdapter,
- ((unsigned char *) ReplyData)[i]);
- BusLogic_Notice("\n", HostAdapter);
- }
- /*
- Process Command Invalid conditions.
- */
- if (StatusRegister.sr.CommandInvalid)
- {
- /*
- Some early BusLogic Host Adapters may not recover properly from
- a Command Invalid condition, so if this appears to be the case,
- a Soft Reset is issued to the Host Adapter. Potentially invalid
- commands are never attempted after Mailbox Initialization is
- performed, so there should be no Host Adapter state lost by a
- Soft Reset in response to a Command Invalid condition.
- */
- udelay(1000);
- StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
- if (StatusRegister.sr.CommandInvalid ||
- StatusRegister.sr.Reserved ||
- StatusRegister.sr.DataInRegisterReady ||
- StatusRegister.sr.CommandParameterRegisterBusy ||
- !StatusRegister.sr.HostAdapterReady ||
- !StatusRegister.sr.InitializationRequired ||
- StatusRegister.sr.DiagnosticActive ||
- StatusRegister.sr.DiagnosticFailure)
- {
- BusLogic_SoftReset(HostAdapter);
- udelay(1000);
+ /*
+ The Modify I/O Address command does not cause a Command Complete Interrupt.
+ */
+ if (OperationCode == BusLogic_ModifyIOAddress) {
+ StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
+ if (StatusRegister.sr.CommandInvalid) {
+ BusLogic_CommandFailureReason = "Modify I/O Address Invalid";
+ Result = -1;
+ goto Done;
+ }
+ if (BusLogic_GlobalOptions.TraceConfiguration)
+ BusLogic_Notice("BusLogic_Command(%02X) Status = %02X: " "(Modify I/O Address)\n", HostAdapter, OperationCode, StatusRegister.All);
+ Result = 0;
+ goto Done;
+ }
+ /*
+ Select an appropriate timeout value for awaiting command completion.
+ */
+ switch (OperationCode) {
+ case BusLogic_InquireInstalledDevicesID0to7:
+ case BusLogic_InquireInstalledDevicesID8to15:
+ case BusLogic_InquireTargetDevices:
+ /* Approximately 60 seconds. */
+ TimeoutCounter = 60 * 10000;
+ break;
+ default:
+ /* Approximately 1 second. */
+ TimeoutCounter = 10000;
+ break;
}
- BusLogic_CommandFailureReason = "Command Invalid";
- Result = -1;
- goto Done;
- }
- /*
- Handle Excess Parameters Supplied conditions.
- */
- if (ParameterLength > 0)
- {
- BusLogic_CommandFailureReason = "Excess Parameters Supplied";
- Result = -1;
- goto Done;
- }
- /*
- Indicate the command completed successfully.
- */
- BusLogic_CommandFailureReason = NULL;
- Result = ReplyBytes;
- /*
- Restore the interrupt status if necessary and return.
- */
-Done:
- if (!HostAdapter->IRQ_ChannelAcquired)
- local_irq_restore(ProcessorFlags);
- return Result;
+ /*
+ Receive any Reply Bytes, waiting for either the Command Complete bit to
+ be set in the Interrupt Register, or for the Interrupt Handler to set the
+ Host Adapter Command Completed bit in the Host Adapter structure.
+ */
+ while (--TimeoutCounter >= 0) {
+ InterruptRegister.All = BusLogic_ReadInterruptRegister(HostAdapter);
+ StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
+ if (InterruptRegister.ir.CommandComplete)
+ break;
+ if (HostAdapter->HostAdapterCommandCompleted)
+ break;
+ if (StatusRegister.sr.DataInRegisterReady) {
+ if (++ReplyBytes <= ReplyLength)
+ *ReplyPointer++ = BusLogic_ReadDataInRegister(HostAdapter);
+ else
+ BusLogic_ReadDataInRegister(HostAdapter);
+ }
+ if (OperationCode == BusLogic_FetchHostAdapterLocalRAM && StatusRegister.sr.HostAdapterReady)
+ break;
+ udelay(100);
+ }
+ if (TimeoutCounter < 0) {
+ BusLogic_CommandFailureReason = "Timeout waiting for Command Complete";
+ Result = -2;
+ goto Done;
+ }
+ /*
+ Clear any pending Command Complete Interrupt.
+ */
+ BusLogic_InterruptReset(HostAdapter);
+ /*
+ Provide tracing information if requested.
+ */
+ if (BusLogic_GlobalOptions.TraceConfiguration) {
+ int i;
+ BusLogic_Notice("BusLogic_Command(%02X) Status = %02X: %2d ==> %2d:", HostAdapter, OperationCode, StatusRegister.All, ReplyLength, ReplyBytes);
+ if (ReplyLength > ReplyBytes)
+ ReplyLength = ReplyBytes;
+ for (i = 0; i < ReplyLength; i++)
+ BusLogic_Notice(" %02X", HostAdapter, ((unsigned char *) ReplyData)[i]);
+ BusLogic_Notice("\n", HostAdapter);
+ }
+ /*
+ Process Command Invalid conditions.
+ */
+ if (StatusRegister.sr.CommandInvalid) {
+ /*
+ Some early BusLogic Host Adapters may not recover properly from
+ a Command Invalid condition, so if this appears to be the case,
+ a Soft Reset is issued to the Host Adapter. Potentially invalid
+ commands are never attempted after Mailbox Initialization is
+ performed, so there should be no Host Adapter state lost by a
+ Soft Reset in response to a Command Invalid condition.
+ */
+ udelay(1000);
+ StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
+ if (StatusRegister.sr.CommandInvalid ||
+ StatusRegister.sr.Reserved ||
+ StatusRegister.sr.DataInRegisterReady ||
+ StatusRegister.sr.CommandParameterRegisterBusy || !StatusRegister.sr.HostAdapterReady || !StatusRegister.sr.InitializationRequired || StatusRegister.sr.DiagnosticActive || StatusRegister.sr.DiagnosticFailure) {
+ BusLogic_SoftReset(HostAdapter);
+ udelay(1000);
+ }
+ BusLogic_CommandFailureReason = "Command Invalid";
+ Result = -1;
+ goto Done;
+ }
+ /*
+ Handle Excess Parameters Supplied conditions.
+ */
+ if (ParameterLength > 0) {
+ BusLogic_CommandFailureReason = "Excess Parameters Supplied";
+ Result = -1;
+ goto Done;
+ }
+ /*
+ Indicate the command completed successfully.
+ */
+ BusLogic_CommandFailureReason = NULL;
+ Result = ReplyBytes;
+ /*
+ Restore the interrupt status if necessary and return.
+ */
+ Done:
+ if (!HostAdapter->IRQ_ChannelAcquired)
+ local_irq_restore(ProcessorFlags);
+ return Result;
}
static void __init BusLogic_AppendProbeAddressISA(unsigned long IO_Address)
{
- struct BusLogic_ProbeInfo *ProbeInfo;
- if (BusLogic_ProbeInfoCount >= BusLogic_MaxHostAdapters) return;
- ProbeInfo = &BusLogic_ProbeInfoList[BusLogic_ProbeInfoCount++];
- ProbeInfo->HostAdapterType = BusLogic_MultiMaster;
- ProbeInfo->HostAdapterBusType = BusLogic_ISA_Bus;
- ProbeInfo->IO_Address = IO_Address;
- ProbeInfo->PCI_Device = NULL;
+ struct BusLogic_ProbeInfo *ProbeInfo;
+ if (BusLogic_ProbeInfoCount >= BusLogic_MaxHostAdapters)
+ return;
+ ProbeInfo = &BusLogic_ProbeInfoList[BusLogic_ProbeInfoCount++];
+ ProbeInfo->HostAdapterType = BusLogic_MultiMaster;
+ ProbeInfo->HostAdapterBusType = BusLogic_ISA_Bus;
+ ProbeInfo->IO_Address = IO_Address;
+ ProbeInfo->PCI_Device = NULL;
}
static void __init BusLogic_InitializeProbeInfoListISA(struct BusLogic_HostAdapter
*PrototypeHostAdapter)
{
- /*
- If BusLogic Driver Options specifications requested that ISA Bus Probes
- be inhibited, do not proceed further.
- */
- if (BusLogic_ProbeOptions.NoProbeISA) return;
- /*
- Append the list of standard BusLogic MultiMaster ISA I/O Addresses.
- */
- if (BusLogic_ProbeOptions.LimitedProbeISA
- ? BusLogic_ProbeOptions.Probe330
- : check_region(0x330, BusLogic_MultiMasterAddressCount) == 0)
- BusLogic_AppendProbeAddressISA(0x330);
- if (BusLogic_ProbeOptions.LimitedProbeISA
- ? BusLogic_ProbeOptions.Probe334
- : check_region(0x334, BusLogic_MultiMasterAddressCount) == 0)
- BusLogic_AppendProbeAddressISA(0x334);
- if (BusLogic_ProbeOptions.LimitedProbeISA
- ? BusLogic_ProbeOptions.Probe230
- : check_region(0x230, BusLogic_MultiMasterAddressCount) == 0)
- BusLogic_AppendProbeAddressISA(0x230);
- if (BusLogic_ProbeOptions.LimitedProbeISA
- ? BusLogic_ProbeOptions.Probe234
- : check_region(0x234, BusLogic_MultiMasterAddressCount) == 0)
- BusLogic_AppendProbeAddressISA(0x234);
- if (BusLogic_ProbeOptions.LimitedProbeISA
- ? BusLogic_ProbeOptions.Probe130
- : check_region(0x130, BusLogic_MultiMasterAddressCount) == 0)
- BusLogic_AppendProbeAddressISA(0x130);
- if (BusLogic_ProbeOptions.LimitedProbeISA
- ? BusLogic_ProbeOptions.Probe134
- : check_region(0x134, BusLogic_MultiMasterAddressCount) == 0)
- BusLogic_AppendProbeAddressISA(0x134);
+ /*
+ If BusLogic Driver Options specifications requested that ISA Bus Probes
+ be inhibited, do not proceed further.
+ */
+ if (BusLogic_ProbeOptions.NoProbeISA)
+ return;
+ /*
+ Append the list of standard BusLogic MultiMaster ISA I/O Addresses.
+ */
+ if (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe330 : check_region(0x330, BusLogic_MultiMasterAddressCount) == 0)
+ BusLogic_AppendProbeAddressISA(0x330);
+ if (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe334 : check_region(0x334, BusLogic_MultiMasterAddressCount) == 0)
+ BusLogic_AppendProbeAddressISA(0x334);
+ if (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe230 : check_region(0x230, BusLogic_MultiMasterAddressCount) == 0)
+ BusLogic_AppendProbeAddressISA(0x230);
+ if (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe234 : check_region(0x234, BusLogic_MultiMasterAddressCount) == 0)
+ BusLogic_AppendProbeAddressISA(0x234);
+ if (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe130 : check_region(0x130, BusLogic_MultiMasterAddressCount) == 0)
+ BusLogic_AppendProbeAddressISA(0x130);
+ if (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe134 : check_region(0x134, BusLogic_MultiMasterAddressCount) == 0)
+ BusLogic_AppendProbeAddressISA(0x134);
}
of increasing PCI Bus and Device Number.
*/
-static void __init BusLogic_SortProbeInfo(struct BusLogic_ProbeInfo *ProbeInfoList,
- int ProbeInfoCount)
+static void __init BusLogic_SortProbeInfo(struct BusLogic_ProbeInfo *ProbeInfoList, int ProbeInfoCount)
{
- int LastInterchange = ProbeInfoCount-1, Bound, j;
- while (LastInterchange > 0)
- {
- Bound = LastInterchange;
- LastInterchange = 0;
- for (j = 0; j < Bound; j++)
- {
- struct BusLogic_ProbeInfo *ProbeInfo1 = &ProbeInfoList[j];
- struct BusLogic_ProbeInfo *ProbeInfo2 = &ProbeInfoList[j+1];
- if (ProbeInfo1->Bus > ProbeInfo2->Bus ||
- (ProbeInfo1->Bus == ProbeInfo2->Bus &&
- (ProbeInfo1->Device > ProbeInfo2->Device)))
- {
- struct BusLogic_ProbeInfo TempProbeInfo;
- memcpy(&TempProbeInfo, ProbeInfo1, sizeof(struct BusLogic_ProbeInfo));
- memcpy(ProbeInfo1, ProbeInfo2, sizeof(struct BusLogic_ProbeInfo));
- memcpy(ProbeInfo2, &TempProbeInfo, sizeof(struct BusLogic_ProbeInfo));
- LastInterchange = j;
- }
+ int LastInterchange = ProbeInfoCount - 1, Bound, j;
+ while (LastInterchange > 0) {
+ Bound = LastInterchange;
+ LastInterchange = 0;
+ for (j = 0; j < Bound; j++) {
+ struct BusLogic_ProbeInfo *ProbeInfo1 = &ProbeInfoList[j];
+ struct BusLogic_ProbeInfo *ProbeInfo2 = &ProbeInfoList[j + 1];
+ if (ProbeInfo1->Bus > ProbeInfo2->Bus || (ProbeInfo1->Bus == ProbeInfo2->Bus && (ProbeInfo1->Device > ProbeInfo2->Device))) {
+ struct BusLogic_ProbeInfo TempProbeInfo;
+ memcpy(&TempProbeInfo, ProbeInfo1, sizeof(struct BusLogic_ProbeInfo));
+ memcpy(ProbeInfo1, ProbeInfo2, sizeof(struct BusLogic_ProbeInfo));
+ memcpy(ProbeInfo2, &TempProbeInfo, sizeof(struct BusLogic_ProbeInfo));
+ LastInterchange = j;
+ }
+ }
}
- }
}
static int __init BusLogic_InitializeMultiMasterProbeInfo(struct BusLogic_HostAdapter
*PrototypeHostAdapter)
{
- struct BusLogic_ProbeInfo *PrimaryProbeInfo =
- &BusLogic_ProbeInfoList[BusLogic_ProbeInfoCount];
- int NonPrimaryPCIMultiMasterIndex = BusLogic_ProbeInfoCount + 1;
- int NonPrimaryPCIMultiMasterCount = 0, PCIMultiMasterCount = 0;
- boolean ForceBusDeviceScanningOrder = false;
- boolean ForceBusDeviceScanningOrderChecked = false;
- boolean StandardAddressSeen[6];
- struct pci_dev *PCI_Device = NULL;
- int i;
- if (BusLogic_ProbeInfoCount >= BusLogic_MaxHostAdapters) return 0;
- BusLogic_ProbeInfoCount++;
- for (i = 0; i < 6; i++)
- StandardAddressSeen[i] = false;
- /*
- Iterate over the MultiMaster PCI Host Adapters. For each enumerated host
- adapter, determine whether its ISA Compatible I/O Port is enabled and if
- so, whether it is assigned the Primary I/O Address. A host adapter that is
- assigned the Primary I/O Address will always be the preferred boot device.
- The MultiMaster BIOS will first recognize a host adapter at the Primary I/O
- Address, then any other PCI host adapters, and finally any host adapters
- located at the remaining standard ISA I/O Addresses. When a PCI host
- adapter is found with its ISA Compatible I/O Port enabled, a command is
- issued to disable the ISA Compatible I/O Port, and it is noted that the
- particular standard ISA I/O Address need not be probed.
- */
- PrimaryProbeInfo->IO_Address = 0;
- while ((PCI_Device = pci_find_device(PCI_VENDOR_ID_BUSLOGIC,
- PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER,
- PCI_Device)) != NULL)
- {
- struct BusLogic_HostAdapter *HostAdapter = PrototypeHostAdapter;
- struct BusLogic_PCIHostAdapterInformation PCIHostAdapterInformation;
- enum BusLogic_ISACompatibleIOPort ModifyIOAddressRequest;
- unsigned char Bus;
- unsigned char Device;
- unsigned int IRQ_Channel;
- unsigned long BaseAddress0;
- unsigned long BaseAddress1;
- unsigned long IO_Address;
- unsigned long PCI_Address;
-
- if (pci_enable_device(PCI_Device))
- continue;
-
- if (pci_set_dma_mask(PCI_Device, (u64)0xffffffff))
- continue;
-
- Bus = PCI_Device->bus->number;
- Device = PCI_Device->devfn >> 3;
- IRQ_Channel = PCI_Device->irq;
- IO_Address = BaseAddress0 = pci_resource_start(PCI_Device, 0);
- PCI_Address = BaseAddress1 = pci_resource_start(PCI_Device, 1);
-
- if (pci_resource_flags(PCI_Device, 0) & IORESOURCE_MEM)
- {
- BusLogic_Error("BusLogic: Base Address0 0x%X not I/O for "
- "MultiMaster Host Adapter\n", NULL, BaseAddress0);
- BusLogic_Error("at PCI Bus %d Device %d I/O Address 0x%X\n",
- NULL, Bus, Device, IO_Address);
- continue;
- }
- if (pci_resource_flags(PCI_Device,1) & IORESOURCE_IO)
- {
- BusLogic_Error("BusLogic: Base Address1 0x%X not Memory for "
- "MultiMaster Host Adapter\n", NULL, BaseAddress1);
- BusLogic_Error("at PCI Bus %d Device %d PCI Address 0x%X\n",
- NULL, Bus, Device, PCI_Address);
- continue;
- }
- if (IRQ_Channel == 0)
- {
- BusLogic_Error("BusLogic: IRQ Channel %d invalid for "
- "MultiMaster Host Adapter\n", NULL, IRQ_Channel);
- BusLogic_Error("at PCI Bus %d Device %d I/O Address 0x%X\n",
- NULL, Bus, Device, IO_Address);
- continue;
- }
- if (BusLogic_GlobalOptions.TraceProbe)
- {
- BusLogic_Notice("BusLogic: PCI MultiMaster Host Adapter "
- "detected at\n", NULL);
- BusLogic_Notice("BusLogic: PCI Bus %d Device %d I/O Address "
- "0x%X PCI Address 0x%X\n", NULL,
- Bus, Device, IO_Address, PCI_Address);
- }
- /*
- Issue the Inquire PCI Host Adapter Information command to determine
- the ISA Compatible I/O Port. If the ISA Compatible I/O Port is
- known and enabled, note that the particular Standard ISA I/O
- Address should not be probed.
- */
- HostAdapter->IO_Address = IO_Address;
- BusLogic_InterruptReset(HostAdapter);
- if (BusLogic_Command(HostAdapter,
- BusLogic_InquirePCIHostAdapterInformation,
- NULL, 0, &PCIHostAdapterInformation,
- sizeof(PCIHostAdapterInformation))
- == sizeof(PCIHostAdapterInformation))
- {
- if (PCIHostAdapterInformation.ISACompatibleIOPort < 6)
- StandardAddressSeen[PCIHostAdapterInformation
- .ISACompatibleIOPort] = true;
- }
- else PCIHostAdapterInformation.ISACompatibleIOPort =
- BusLogic_IO_Disable;
- /*
- * Issue the Modify I/O Address command to disable the ISA Compatible
- * I/O Port. On PCI Host Adapters, the Modify I/O Address command
- * allows modification of the ISA compatible I/O Address that the Host
- * Adapter responds to; it does not affect the PCI compliant I/O Address
- * assigned at system initialization.
- */
- ModifyIOAddressRequest = BusLogic_IO_Disable;
- BusLogic_Command(HostAdapter, BusLogic_ModifyIOAddress,
- &ModifyIOAddressRequest,
- sizeof(ModifyIOAddressRequest), NULL, 0);
- /*
- For the first MultiMaster Host Adapter enumerated, issue the Fetch
- Host Adapter Local RAM command to read byte 45 of the AutoSCSI area,
- for the setting of the "Use Bus And Device # For PCI Scanning Seq."
- option. Issue the Inquire Board ID command since this option is
- only valid for the BT-948/958/958D.
- */
- if (!ForceBusDeviceScanningOrderChecked)
- {
- struct BusLogic_FetchHostAdapterLocalRAMRequest
- FetchHostAdapterLocalRAMRequest;
- struct BusLogic_AutoSCSIByte45 AutoSCSIByte45;
- struct BusLogic_BoardID BoardID;
- FetchHostAdapterLocalRAMRequest.ByteOffset =
- BusLogic_AutoSCSI_BaseOffset + 45;
- FetchHostAdapterLocalRAMRequest.ByteCount =
- sizeof(AutoSCSIByte45);
- BusLogic_Command(HostAdapter,
- BusLogic_FetchHostAdapterLocalRAM,
- &FetchHostAdapterLocalRAMRequest,
- sizeof(FetchHostAdapterLocalRAMRequest),
- &AutoSCSIByte45, sizeof(AutoSCSIByte45));
- BusLogic_Command(HostAdapter, BusLogic_InquireBoardID,
- NULL, 0, &BoardID, sizeof(BoardID));
- if (BoardID.FirmwareVersion1stDigit == '5')
- ForceBusDeviceScanningOrder =
- AutoSCSIByte45.ForceBusDeviceScanningOrder;
- ForceBusDeviceScanningOrderChecked = true;
- }
- /*
- Determine whether this MultiMaster Host Adapter has its ISA
- Compatible I/O Port enabled and is assigned the Primary I/O Address.
- If it does, then it is the Primary MultiMaster Host Adapter and must
- be recognized first. If it does not, then it is added to the list
- for probing after any Primary MultiMaster Host Adapter is probed.
- */
- if (PCIHostAdapterInformation.ISACompatibleIOPort == BusLogic_IO_330)
- {
- PrimaryProbeInfo->HostAdapterType = BusLogic_MultiMaster;
- PrimaryProbeInfo->HostAdapterBusType = BusLogic_PCI_Bus;
- PrimaryProbeInfo->IO_Address = IO_Address;
- PrimaryProbeInfo->PCI_Address = PCI_Address;
- PrimaryProbeInfo->Bus = Bus;
- PrimaryProbeInfo->Device = Device;
- PrimaryProbeInfo->IRQ_Channel = IRQ_Channel;
- PrimaryProbeInfo->PCI_Device = PCI_Device;
- PCIMultiMasterCount++;
+ struct BusLogic_ProbeInfo *PrimaryProbeInfo = &BusLogic_ProbeInfoList[BusLogic_ProbeInfoCount];
+ int NonPrimaryPCIMultiMasterIndex = BusLogic_ProbeInfoCount + 1;
+ int NonPrimaryPCIMultiMasterCount = 0, PCIMultiMasterCount = 0;
+ boolean ForceBusDeviceScanningOrder = false;
+ boolean ForceBusDeviceScanningOrderChecked = false;
+ boolean StandardAddressSeen[6];
+ struct pci_dev *PCI_Device = NULL;
+ int i;
+ if (BusLogic_ProbeInfoCount >= BusLogic_MaxHostAdapters)
+ return 0;
+ BusLogic_ProbeInfoCount++;
+ for (i = 0; i < 6; i++)
+ StandardAddressSeen[i] = false;
+ /*
+ Iterate over the MultiMaster PCI Host Adapters. For each enumerated host
+ adapter, determine whether its ISA Compatible I/O Port is enabled and if
+ so, whether it is assigned the Primary I/O Address. A host adapter that is
+ assigned the Primary I/O Address will always be the preferred boot device.
+ The MultiMaster BIOS will first recognize a host adapter at the Primary I/O
+ Address, then any other PCI host adapters, and finally any host adapters
+ located at the remaining standard ISA I/O Addresses. When a PCI host
+ adapter is found with its ISA Compatible I/O Port enabled, a command is
+ issued to disable the ISA Compatible I/O Port, and it is noted that the
+ particular standard ISA I/O Address need not be probed.
+ */
+ PrimaryProbeInfo->IO_Address = 0;
+ while ((PCI_Device = pci_find_device(PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER, PCI_Device)) != NULL) {
+ struct BusLogic_HostAdapter *HostAdapter = PrototypeHostAdapter;
+ struct BusLogic_PCIHostAdapterInformation PCIHostAdapterInformation;
+ enum BusLogic_ISACompatibleIOPort ModifyIOAddressRequest;
+ unsigned char Bus;
+ unsigned char Device;
+ unsigned int IRQ_Channel;
+ unsigned long BaseAddress0;
+ unsigned long BaseAddress1;
+ unsigned long IO_Address;
+ unsigned long PCI_Address;
+
+ if (pci_enable_device(PCI_Device))
+ continue;
+
+ if (pci_set_dma_mask(PCI_Device, (u64) 0xffffffff))
+ continue;
+
+ Bus = PCI_Device->bus->number;
+ Device = PCI_Device->devfn >> 3;
+ IRQ_Channel = PCI_Device->irq;
+ IO_Address = BaseAddress0 = pci_resource_start(PCI_Device, 0);
+ PCI_Address = BaseAddress1 = pci_resource_start(PCI_Device, 1);
+
+ if (pci_resource_flags(PCI_Device, 0) & IORESOURCE_MEM) {
+ BusLogic_Error("BusLogic: Base Address0 0x%X not I/O for " "MultiMaster Host Adapter\n", NULL, BaseAddress0);
+ BusLogic_Error("at PCI Bus %d Device %d I/O Address 0x%X\n", NULL, Bus, Device, IO_Address);
+ continue;
+ }
+ if (pci_resource_flags(PCI_Device, 1) & IORESOURCE_IO) {
+ BusLogic_Error("BusLogic: Base Address1 0x%X not Memory for " "MultiMaster Host Adapter\n", NULL, BaseAddress1);
+ BusLogic_Error("at PCI Bus %d Device %d PCI Address 0x%X\n", NULL, Bus, Device, PCI_Address);
+ continue;
+ }
+ if (IRQ_Channel == 0) {
+ BusLogic_Error("BusLogic: IRQ Channel %d invalid for " "MultiMaster Host Adapter\n", NULL, IRQ_Channel);
+ BusLogic_Error("at PCI Bus %d Device %d I/O Address 0x%X\n", NULL, Bus, Device, IO_Address);
+ continue;
+ }
+ if (BusLogic_GlobalOptions.TraceProbe) {
+ BusLogic_Notice("BusLogic: PCI MultiMaster Host Adapter " "detected at\n", NULL);
+ BusLogic_Notice("BusLogic: PCI Bus %d Device %d I/O Address " "0x%X PCI Address 0x%X\n", NULL, Bus, Device, IO_Address, PCI_Address);
+ }
+ /*
+ Issue the Inquire PCI Host Adapter Information command to determine
+ the ISA Compatible I/O Port. If the ISA Compatible I/O Port is
+ known and enabled, note that the particular Standard ISA I/O
+ Address should not be probed.
+ */
+ HostAdapter->IO_Address = IO_Address;
+ BusLogic_InterruptReset(HostAdapter);
+ if (BusLogic_Command(HostAdapter, BusLogic_InquirePCIHostAdapterInformation, NULL, 0, &PCIHostAdapterInformation, sizeof(PCIHostAdapterInformation))
+ == sizeof(PCIHostAdapterInformation)) {
+ if (PCIHostAdapterInformation.ISACompatibleIOPort < 6)
+ StandardAddressSeen[PCIHostAdapterInformation.ISACompatibleIOPort] = true;
+ } else
+ PCIHostAdapterInformation.ISACompatibleIOPort = BusLogic_IO_Disable;
+ /*
+ * Issue the Modify I/O Address command to disable the ISA Compatible
+ * I/O Port. On PCI Host Adapters, the Modify I/O Address command
+ * allows modification of the ISA compatible I/O Address that the Host
+ * Adapter responds to; it does not affect the PCI compliant I/O Address
+ * assigned at system initialization.
+ */
+ ModifyIOAddressRequest = BusLogic_IO_Disable;
+ BusLogic_Command(HostAdapter, BusLogic_ModifyIOAddress, &ModifyIOAddressRequest, sizeof(ModifyIOAddressRequest), NULL, 0);
+ /*
+ For the first MultiMaster Host Adapter enumerated, issue the Fetch
+ Host Adapter Local RAM command to read byte 45 of the AutoSCSI area,
+ for the setting of the "Use Bus And Device # For PCI Scanning Seq."
+ option. Issue the Inquire Board ID command since this option is
+ only valid for the BT-948/958/958D.
+ */
+ if (!ForceBusDeviceScanningOrderChecked) {
+ struct BusLogic_FetchHostAdapterLocalRAMRequest FetchHostAdapterLocalRAMRequest;
+ struct BusLogic_AutoSCSIByte45 AutoSCSIByte45;
+ struct BusLogic_BoardID BoardID;
+ FetchHostAdapterLocalRAMRequest.ByteOffset = BusLogic_AutoSCSI_BaseOffset + 45;
+ FetchHostAdapterLocalRAMRequest.ByteCount = sizeof(AutoSCSIByte45);
+ BusLogic_Command(HostAdapter, BusLogic_FetchHostAdapterLocalRAM, &FetchHostAdapterLocalRAMRequest, sizeof(FetchHostAdapterLocalRAMRequest), &AutoSCSIByte45, sizeof(AutoSCSIByte45));
+ BusLogic_Command(HostAdapter, BusLogic_InquireBoardID, NULL, 0, &BoardID, sizeof(BoardID));
+ if (BoardID.FirmwareVersion1stDigit == '5')
+ ForceBusDeviceScanningOrder = AutoSCSIByte45.ForceBusDeviceScanningOrder;
+ ForceBusDeviceScanningOrderChecked = true;
+ }
+ /*
+ Determine whether this MultiMaster Host Adapter has its ISA
+ Compatible I/O Port enabled and is assigned the Primary I/O Address.
+ If it does, then it is the Primary MultiMaster Host Adapter and must
+ be recognized first. If it does not, then it is added to the list
+ for probing after any Primary MultiMaster Host Adapter is probed.
+ */
+ if (PCIHostAdapterInformation.ISACompatibleIOPort == BusLogic_IO_330) {
+ PrimaryProbeInfo->HostAdapterType = BusLogic_MultiMaster;
+ PrimaryProbeInfo->HostAdapterBusType = BusLogic_PCI_Bus;
+ PrimaryProbeInfo->IO_Address = IO_Address;
+ PrimaryProbeInfo->PCI_Address = PCI_Address;
+ PrimaryProbeInfo->Bus = Bus;
+ PrimaryProbeInfo->Device = Device;
+ PrimaryProbeInfo->IRQ_Channel = IRQ_Channel;
+ PrimaryProbeInfo->PCI_Device = PCI_Device;
+ PCIMultiMasterCount++;
+ } else if (BusLogic_ProbeInfoCount < BusLogic_MaxHostAdapters) {
+ struct BusLogic_ProbeInfo *ProbeInfo = &BusLogic_ProbeInfoList[BusLogic_ProbeInfoCount++];
+ ProbeInfo->HostAdapterType = BusLogic_MultiMaster;
+ ProbeInfo->HostAdapterBusType = BusLogic_PCI_Bus;
+ ProbeInfo->IO_Address = IO_Address;
+ ProbeInfo->PCI_Address = PCI_Address;
+ ProbeInfo->Bus = Bus;
+ ProbeInfo->Device = Device;
+ ProbeInfo->IRQ_Channel = IRQ_Channel;
+ ProbeInfo->PCI_Device = PCI_Device;
+ NonPrimaryPCIMultiMasterCount++;
+ PCIMultiMasterCount++;
+ } else
+ BusLogic_Warning("BusLogic: Too many Host Adapters " "detected\n", NULL);
}
- else if (BusLogic_ProbeInfoCount < BusLogic_MaxHostAdapters)
- {
- struct BusLogic_ProbeInfo *ProbeInfo =
- &BusLogic_ProbeInfoList[BusLogic_ProbeInfoCount++];
- ProbeInfo->HostAdapterType = BusLogic_MultiMaster;
- ProbeInfo->HostAdapterBusType = BusLogic_PCI_Bus;
- ProbeInfo->IO_Address = IO_Address;
- ProbeInfo->PCI_Address = PCI_Address;
- ProbeInfo->Bus = Bus;
- ProbeInfo->Device = Device;
- ProbeInfo->IRQ_Channel = IRQ_Channel;
- ProbeInfo->PCI_Device = PCI_Device;
- NonPrimaryPCIMultiMasterCount++;
- PCIMultiMasterCount++;
+ /*
+ If the AutoSCSI "Use Bus And Device # For PCI Scanning Seq." option is ON
+ for the first enumerated MultiMaster Host Adapter, and if that host adapter
+ is a BT-948/958/958D, then the MultiMaster BIOS will recognize MultiMaster
+ Host Adapters in the order of increasing PCI Bus and Device Number. In
+ that case, sort the probe information into the same order the BIOS uses.
+ If this option is OFF, then the MultiMaster BIOS will recognize MultiMaster
+ Host Adapters in the order they are enumerated by the PCI BIOS, and hence
+ no sorting is necessary.
+ */
+ if (ForceBusDeviceScanningOrder)
+ BusLogic_SortProbeInfo(&BusLogic_ProbeInfoList[NonPrimaryPCIMultiMasterIndex], NonPrimaryPCIMultiMasterCount);
+ /*
+ If no PCI MultiMaster Host Adapter is assigned the Primary I/O Address,
+ then the Primary I/O Address must be probed explicitly before any PCI
+ host adapters are probed.
+ */
+ if (!BusLogic_ProbeOptions.NoProbeISA)
+ if (PrimaryProbeInfo->IO_Address == 0 && (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe330 : check_region(0x330, BusLogic_MultiMasterAddressCount) == 0)) {
+ PrimaryProbeInfo->HostAdapterType = BusLogic_MultiMaster;
+ PrimaryProbeInfo->HostAdapterBusType = BusLogic_ISA_Bus;
+ PrimaryProbeInfo->IO_Address = 0x330;
+ }
+ /*
+ Append the list of standard BusLogic MultiMaster ISA I/O Addresses,
+ omitting the Primary I/O Address which has already been handled.
+ */
+ if (!BusLogic_ProbeOptions.NoProbeISA) {
+ if (!StandardAddressSeen[1] && (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe334 : check_region(0x334, BusLogic_MultiMasterAddressCount) == 0))
+ BusLogic_AppendProbeAddressISA(0x334);
+ if (!StandardAddressSeen[2] && (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe230 : check_region(0x230, BusLogic_MultiMasterAddressCount) == 0))
+ BusLogic_AppendProbeAddressISA(0x230);
+ if (!StandardAddressSeen[3] && (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe234 : check_region(0x234, BusLogic_MultiMasterAddressCount) == 0))
+ BusLogic_AppendProbeAddressISA(0x234);
+ if (!StandardAddressSeen[4] && (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe130 : check_region(0x130, BusLogic_MultiMasterAddressCount) == 0))
+ BusLogic_AppendProbeAddressISA(0x130);
+ if (!StandardAddressSeen[5] && (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe134 : check_region(0x134, BusLogic_MultiMasterAddressCount) == 0))
+ BusLogic_AppendProbeAddressISA(0x134);
}
- else BusLogic_Warning("BusLogic: Too many Host Adapters "
- "detected\n", NULL);
- }
- /*
- If the AutoSCSI "Use Bus And Device # For PCI Scanning Seq." option is ON
- for the first enumerated MultiMaster Host Adapter, and if that host adapter
- is a BT-948/958/958D, then the MultiMaster BIOS will recognize MultiMaster
- Host Adapters in the order of increasing PCI Bus and Device Number. In
- that case, sort the probe information into the same order the BIOS uses.
- If this option is OFF, then the MultiMaster BIOS will recognize MultiMaster
- Host Adapters in the order they are enumerated by the PCI BIOS, and hence
- no sorting is necessary.
- */
- if (ForceBusDeviceScanningOrder)
- BusLogic_SortProbeInfo(&BusLogic_ProbeInfoList[
- NonPrimaryPCIMultiMasterIndex],
- NonPrimaryPCIMultiMasterCount);
- /*
- If no PCI MultiMaster Host Adapter is assigned the Primary I/O Address,
- then the Primary I/O Address must be probed explicitly before any PCI
- host adapters are probed.
- */
- if (!BusLogic_ProbeOptions.NoProbeISA)
- if (PrimaryProbeInfo->IO_Address == 0 &&
- (BusLogic_ProbeOptions.LimitedProbeISA
- ? BusLogic_ProbeOptions.Probe330
- : check_region(0x330, BusLogic_MultiMasterAddressCount) == 0))
- {
- PrimaryProbeInfo->HostAdapterType = BusLogic_MultiMaster;
- PrimaryProbeInfo->HostAdapterBusType = BusLogic_ISA_Bus;
- PrimaryProbeInfo->IO_Address = 0x330;
- }
- /*
- Append the list of standard BusLogic MultiMaster ISA I/O Addresses,
- omitting the Primary I/O Address which has already been handled.
- */
- if (!BusLogic_ProbeOptions.NoProbeISA)
- {
- if (!StandardAddressSeen[1] &&
- (BusLogic_ProbeOptions.LimitedProbeISA
- ? BusLogic_ProbeOptions.Probe334
- : check_region(0x334, BusLogic_MultiMasterAddressCount) == 0))
- BusLogic_AppendProbeAddressISA(0x334);
- if (!StandardAddressSeen[2] &&
- (BusLogic_ProbeOptions.LimitedProbeISA
- ? BusLogic_ProbeOptions.Probe230
- : check_region(0x230, BusLogic_MultiMasterAddressCount) == 0))
- BusLogic_AppendProbeAddressISA(0x230);
- if (!StandardAddressSeen[3] &&
- (BusLogic_ProbeOptions.LimitedProbeISA
- ? BusLogic_ProbeOptions.Probe234
- : check_region(0x234, BusLogic_MultiMasterAddressCount) == 0))
- BusLogic_AppendProbeAddressISA(0x234);
- if (!StandardAddressSeen[4] &&
- (BusLogic_ProbeOptions.LimitedProbeISA
- ? BusLogic_ProbeOptions.Probe130
- : check_region(0x130, BusLogic_MultiMasterAddressCount) == 0))
- BusLogic_AppendProbeAddressISA(0x130);
- if (!StandardAddressSeen[5] &&
- (BusLogic_ProbeOptions.LimitedProbeISA
- ? BusLogic_ProbeOptions.Probe134
- : check_region(0x134, BusLogic_MultiMasterAddressCount) == 0))
- BusLogic_AppendProbeAddressISA(0x134);
- }
- /*
- Iterate over the older non-compliant MultiMaster PCI Host Adapters,
- noting the PCI bus location and assigned IRQ Channel.
- */
- PCI_Device = NULL;
- while ((PCI_Device = pci_find_device(PCI_VENDOR_ID_BUSLOGIC,
- PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER_NC,
- PCI_Device)) != NULL)
- {
- unsigned char Bus;
- unsigned char Device;
- unsigned int IRQ_Channel;
- unsigned long IO_Address;
-
- if (pci_enable_device(PCI_Device))
- continue;
-
- if (pci_set_dma_mask(PCI_Device, (u64)0xffffffff))
- continue;
-
- Bus = PCI_Device->bus->number;
- Device = PCI_Device->devfn >> 3;
- IRQ_Channel = PCI_Device->irq;
- IO_Address = pci_resource_start(PCI_Device, 0);
-
- if (IO_Address == 0 || IRQ_Channel == 0) continue;
- for (i = 0; i < BusLogic_ProbeInfoCount; i++)
- {
- struct BusLogic_ProbeInfo *ProbeInfo = &BusLogic_ProbeInfoList[i];
- if (ProbeInfo->IO_Address == IO_Address &&
- ProbeInfo->HostAdapterType == BusLogic_MultiMaster)
- {
- ProbeInfo->HostAdapterBusType = BusLogic_PCI_Bus;
- ProbeInfo->PCI_Address = 0;
- ProbeInfo->Bus = Bus;
- ProbeInfo->Device = Device;
- ProbeInfo->IRQ_Channel = IRQ_Channel;
- ProbeInfo->PCI_Device = PCI_Device;
- break;
- }
+ /*
+ Iterate over the older non-compliant MultiMaster PCI Host Adapters,
+ noting the PCI bus location and assigned IRQ Channel.
+ */
+ PCI_Device = NULL;
+ while ((PCI_Device = pci_find_device(PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER_NC, PCI_Device)) != NULL) {
+ unsigned char Bus;
+ unsigned char Device;
+ unsigned int IRQ_Channel;
+ unsigned long IO_Address;
+
+ if (pci_enable_device(PCI_Device))
+ continue;
+
+ if (pci_set_dma_mask(PCI_Device, (u64) 0xffffffff))
+ continue;
+
+ Bus = PCI_Device->bus->number;
+ Device = PCI_Device->devfn >> 3;
+ IRQ_Channel = PCI_Device->irq;
+ IO_Address = pci_resource_start(PCI_Device, 0);
+
+ if (IO_Address == 0 || IRQ_Channel == 0)
+ continue;
+ for (i = 0; i < BusLogic_ProbeInfoCount; i++) {
+ struct BusLogic_ProbeInfo *ProbeInfo = &BusLogic_ProbeInfoList[i];
+ if (ProbeInfo->IO_Address == IO_Address && ProbeInfo->HostAdapterType == BusLogic_MultiMaster) {
+ ProbeInfo->HostAdapterBusType = BusLogic_PCI_Bus;
+ ProbeInfo->PCI_Address = 0;
+ ProbeInfo->Bus = Bus;
+ ProbeInfo->Device = Device;
+ ProbeInfo->IRQ_Channel = IRQ_Channel;
+ ProbeInfo->PCI_Device = PCI_Device;
+ break;
+ }
+ }
}
- }
- return PCIMultiMasterCount;
+ return PCIMultiMasterCount;
}
static int __init BusLogic_InitializeFlashPointProbeInfo(struct BusLogic_HostAdapter
*PrototypeHostAdapter)
{
- int FlashPointIndex = BusLogic_ProbeInfoCount, FlashPointCount = 0;
- struct pci_dev *PCI_Device = NULL;
- /*
- Interrogate PCI Configuration Space for any FlashPoint Host Adapters.
- */
- while ((PCI_Device = pci_find_device(PCI_VENDOR_ID_BUSLOGIC,
- PCI_DEVICE_ID_BUSLOGIC_FLASHPOINT,
- PCI_Device)) != NULL)
- {
- unsigned char Bus;
- unsigned char Device;
- unsigned int IRQ_Channel;
- unsigned long BaseAddress0;
- unsigned long BaseAddress1;
- unsigned long IO_Address;
- unsigned long PCI_Address;
-
- if (pci_enable_device(PCI_Device))
- continue;
-
- if (pci_set_dma_mask(PCI_Device, (u64)0xffffffff))
- continue;
-
- Bus = PCI_Device->bus->number;
- Device = PCI_Device->devfn >> 3;
- IRQ_Channel = PCI_Device->irq;
- IO_Address = BaseAddress0 = pci_resource_start(PCI_Device, 0);
- PCI_Address = BaseAddress1 = pci_resource_start(PCI_Device, 1);
+ int FlashPointIndex = BusLogic_ProbeInfoCount, FlashPointCount = 0;
+ struct pci_dev *PCI_Device = NULL;
+ /*
+ Interrogate PCI Configuration Space for any FlashPoint Host Adapters.
+ */
+ while ((PCI_Device = pci_find_device(PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_FLASHPOINT, PCI_Device)) != NULL) {
+ unsigned char Bus;
+ unsigned char Device;
+ unsigned int IRQ_Channel;
+ unsigned long BaseAddress0;
+ unsigned long BaseAddress1;
+ unsigned long IO_Address;
+ unsigned long PCI_Address;
+
+ if (pci_enable_device(PCI_Device))
+ continue;
+
+ if (pci_set_dma_mask(PCI_Device, (u64) 0xffffffff))
+ continue;
+
+ Bus = PCI_Device->bus->number;
+ Device = PCI_Device->devfn >> 3;
+ IRQ_Channel = PCI_Device->irq;
+ IO_Address = BaseAddress0 = pci_resource_start(PCI_Device, 0);
+ PCI_Address = BaseAddress1 = pci_resource_start(PCI_Device, 1);
#ifndef CONFIG_SCSI_OMIT_FLASHPOINT
- if (pci_resource_flags(PCI_Device, 0) & IORESOURCE_MEM)
- {
- BusLogic_Error("BusLogic: Base Address0 0x%X not I/O for "
- "FlashPoint Host Adapter\n", NULL, BaseAddress0);
- BusLogic_Error("at PCI Bus %d Device %d I/O Address 0x%X\n",
- NULL, Bus, Device, IO_Address);
- continue;
- }
- if (pci_resource_flags(PCI_Device, 1) & IORESOURCE_IO)
- {
- BusLogic_Error("BusLogic: Base Address1 0x%X not Memory for "
- "FlashPoint Host Adapter\n", NULL, BaseAddress1);
- BusLogic_Error("at PCI Bus %d Device %d PCI Address 0x%X\n",
- NULL, Bus, Device, PCI_Address);
- continue;
- }
- if (IRQ_Channel == 0)
- {
- BusLogic_Error("BusLogic: IRQ Channel %d invalid for "
- "FlashPoint Host Adapter\n", NULL, IRQ_Channel);
- BusLogic_Error("at PCI Bus %d Device %d I/O Address 0x%X\n",
- NULL, Bus, Device, IO_Address);
- continue;
- }
- if (BusLogic_GlobalOptions.TraceProbe)
- {
- BusLogic_Notice("BusLogic: FlashPoint Host Adapter "
- "detected at\n", NULL);
- BusLogic_Notice("BusLogic: PCI Bus %d Device %d I/O Address "
- "0x%X PCI Address 0x%X\n", NULL,
- Bus, Device, IO_Address, PCI_Address);
- }
- if (BusLogic_ProbeInfoCount < BusLogic_MaxHostAdapters)
- {
- struct BusLogic_ProbeInfo *ProbeInfo =
- &BusLogic_ProbeInfoList[BusLogic_ProbeInfoCount++];
- ProbeInfo->HostAdapterType = BusLogic_FlashPoint;
- ProbeInfo->HostAdapterBusType = BusLogic_PCI_Bus;
- ProbeInfo->IO_Address = IO_Address;
- ProbeInfo->PCI_Address = PCI_Address;
- ProbeInfo->Bus = Bus;
- ProbeInfo->Device = Device;
- ProbeInfo->IRQ_Channel = IRQ_Channel;
- ProbeInfo->PCI_Device = PCI_Device;
- FlashPointCount++;
- }
- else BusLogic_Warning("BusLogic: Too many Host Adapters "
- "detected\n", NULL);
+ if (pci_resource_flags(PCI_Device, 0) & IORESOURCE_MEM) {
+ BusLogic_Error("BusLogic: Base Address0 0x%X not I/O for " "FlashPoint Host Adapter\n", NULL, BaseAddress0);
+ BusLogic_Error("at PCI Bus %d Device %d I/O Address 0x%X\n", NULL, Bus, Device, IO_Address);
+ continue;
+ }
+ if (pci_resource_flags(PCI_Device, 1) & IORESOURCE_IO) {
+ BusLogic_Error("BusLogic: Base Address1 0x%X not Memory for " "FlashPoint Host Adapter\n", NULL, BaseAddress1);
+ BusLogic_Error("at PCI Bus %d Device %d PCI Address 0x%X\n", NULL, Bus, Device, PCI_Address);
+ continue;
+ }
+ if (IRQ_Channel == 0) {
+ BusLogic_Error("BusLogic: IRQ Channel %d invalid for " "FlashPoint Host Adapter\n", NULL, IRQ_Channel);
+ BusLogic_Error("at PCI Bus %d Device %d I/O Address 0x%X\n", NULL, Bus, Device, IO_Address);
+ continue;
+ }
+ if (BusLogic_GlobalOptions.TraceProbe) {
+ BusLogic_Notice("BusLogic: FlashPoint Host Adapter " "detected at\n", NULL);
+ BusLogic_Notice("BusLogic: PCI Bus %d Device %d I/O Address " "0x%X PCI Address 0x%X\n", NULL, Bus, Device, IO_Address, PCI_Address);
+ }
+ if (BusLogic_ProbeInfoCount < BusLogic_MaxHostAdapters) {
+ struct BusLogic_ProbeInfo *ProbeInfo = &BusLogic_ProbeInfoList[BusLogic_ProbeInfoCount++];
+ ProbeInfo->HostAdapterType = BusLogic_FlashPoint;
+ ProbeInfo->HostAdapterBusType = BusLogic_PCI_Bus;
+ ProbeInfo->IO_Address = IO_Address;
+ ProbeInfo->PCI_Address = PCI_Address;
+ ProbeInfo->Bus = Bus;
+ ProbeInfo->Device = Device;
+ ProbeInfo->IRQ_Channel = IRQ_Channel;
+ ProbeInfo->PCI_Device = PCI_Device;
+ FlashPointCount++;
+ } else
+ BusLogic_Warning("BusLogic: Too many Host Adapters " "detected\n", NULL);
#else
- BusLogic_Error("BusLogic: FlashPoint Host Adapter detected at "
- "PCI Bus %d Device %d\n", NULL, Bus, Device);
- BusLogic_Error("BusLogic: I/O Address 0x%X PCI Address 0x%X, irq %d, "
- "but FlashPoint\n", NULL, IO_Address, PCI_Address, IRQ_Channel);
- BusLogic_Error("BusLogic: support was omitted in this kernel "
- "configuration.\n", NULL);
+ BusLogic_Error("BusLogic: FlashPoint Host Adapter detected at " "PCI Bus %d Device %d\n", NULL, Bus, Device);
+ BusLogic_Error("BusLogic: I/O Address 0x%X PCI Address 0x%X, irq %d, " "but FlashPoint\n", NULL, IO_Address, PCI_Address, IRQ_Channel);
+ BusLogic_Error("BusLogic: support was omitted in this kernel " "configuration.\n", NULL);
#endif
- }
- /*
- The FlashPoint BIOS will scan for FlashPoint Host Adapters in the order of
- increasing PCI Bus and Device Number, so sort the probe information into
- the same order the BIOS uses.
- */
- BusLogic_SortProbeInfo(&BusLogic_ProbeInfoList[FlashPointIndex],
- FlashPointCount);
- return FlashPointCount;
+ }
+ /*
+ The FlashPoint BIOS will scan for FlashPoint Host Adapters in the order of
+ increasing PCI Bus and Device Number, so sort the probe information into
+ the same order the BIOS uses.
+ */
+ BusLogic_SortProbeInfo(&BusLogic_ProbeInfoList[FlashPointIndex], FlashPointCount);
+ return FlashPointCount;
}
static void __init BusLogic_InitializeProbeInfoList(struct BusLogic_HostAdapter
*PrototypeHostAdapter)
{
- /*
- If a PCI BIOS is present, interrogate it for MultiMaster and FlashPoint
- Host Adapters; otherwise, default to the standard ISA MultiMaster probe.
- */
- if (!BusLogic_ProbeOptions.NoProbePCI)
- {
- if (BusLogic_ProbeOptions.MultiMasterFirst)
- {
- BusLogic_InitializeMultiMasterProbeInfo(PrototypeHostAdapter);
- BusLogic_InitializeFlashPointProbeInfo(PrototypeHostAdapter);
- }
- else if (BusLogic_ProbeOptions.FlashPointFirst)
- {
- BusLogic_InitializeFlashPointProbeInfo(PrototypeHostAdapter);
- BusLogic_InitializeMultiMasterProbeInfo(PrototypeHostAdapter);
- }
- else
- {
- int FlashPointCount =
- BusLogic_InitializeFlashPointProbeInfo(PrototypeHostAdapter);
- int PCIMultiMasterCount =
- BusLogic_InitializeMultiMasterProbeInfo(PrototypeHostAdapter);
- if (FlashPointCount > 0 && PCIMultiMasterCount > 0)
- {
- struct BusLogic_ProbeInfo *ProbeInfo =
- &BusLogic_ProbeInfoList[FlashPointCount];
- struct BusLogic_HostAdapter *HostAdapter = PrototypeHostAdapter;
- struct BusLogic_FetchHostAdapterLocalRAMRequest
- FetchHostAdapterLocalRAMRequest;
- struct BusLogic_BIOSDriveMapByte Drive0MapByte;
- while (ProbeInfo->HostAdapterBusType != BusLogic_PCI_Bus)
- ProbeInfo++;
- HostAdapter->IO_Address = ProbeInfo->IO_Address;
- FetchHostAdapterLocalRAMRequest.ByteOffset =
- BusLogic_BIOS_BaseOffset + BusLogic_BIOS_DriveMapOffset + 0;
- FetchHostAdapterLocalRAMRequest.ByteCount =
- sizeof(Drive0MapByte);
- BusLogic_Command(HostAdapter,
- BusLogic_FetchHostAdapterLocalRAM,
- &FetchHostAdapterLocalRAMRequest,
- sizeof(FetchHostAdapterLocalRAMRequest),
- &Drive0MapByte, sizeof(Drive0MapByte));
- /*
- If the Map Byte for BIOS Drive 0 indicates that BIOS Drive 0
- is controlled by this PCI MultiMaster Host Adapter, then
- reverse the probe order so that MultiMaster Host Adapters are
- probed before FlashPoint Host Adapters.
- */
- if (Drive0MapByte.DiskGeometry !=
- BusLogic_BIOS_Disk_Not_Installed)
- {
- struct BusLogic_ProbeInfo
- SavedProbeInfo[BusLogic_MaxHostAdapters];
- int MultiMasterCount =
- BusLogic_ProbeInfoCount - FlashPointCount;
- memcpy(SavedProbeInfo,
- BusLogic_ProbeInfoList,
- BusLogic_ProbeInfoCount
- * sizeof(struct BusLogic_ProbeInfo));
- memcpy(&BusLogic_ProbeInfoList[0],
- &SavedProbeInfo[FlashPointCount],
- MultiMasterCount * sizeof(struct BusLogic_ProbeInfo));
- memcpy(&BusLogic_ProbeInfoList[MultiMasterCount],
- &SavedProbeInfo[0],
- FlashPointCount * sizeof(struct BusLogic_ProbeInfo));
+ /*
+ If a PCI BIOS is present, interrogate it for MultiMaster and FlashPoint
+ Host Adapters; otherwise, default to the standard ISA MultiMaster probe.
+ */
+ if (!BusLogic_ProbeOptions.NoProbePCI) {
+ if (BusLogic_ProbeOptions.MultiMasterFirst) {
+ BusLogic_InitializeMultiMasterProbeInfo(PrototypeHostAdapter);
+ BusLogic_InitializeFlashPointProbeInfo(PrototypeHostAdapter);
+ } else if (BusLogic_ProbeOptions.FlashPointFirst) {
+ BusLogic_InitializeFlashPointProbeInfo(PrototypeHostAdapter);
+ BusLogic_InitializeMultiMasterProbeInfo(PrototypeHostAdapter);
+ } else {
+ int FlashPointCount = BusLogic_InitializeFlashPointProbeInfo(PrototypeHostAdapter);
+ int PCIMultiMasterCount = BusLogic_InitializeMultiMasterProbeInfo(PrototypeHostAdapter);
+ if (FlashPointCount > 0 && PCIMultiMasterCount > 0) {
+ struct BusLogic_ProbeInfo *ProbeInfo = &BusLogic_ProbeInfoList[FlashPointCount];
+ struct BusLogic_HostAdapter *HostAdapter = PrototypeHostAdapter;
+ struct BusLogic_FetchHostAdapterLocalRAMRequest FetchHostAdapterLocalRAMRequest;
+ struct BusLogic_BIOSDriveMapByte Drive0MapByte;
+ while (ProbeInfo->HostAdapterBusType != BusLogic_PCI_Bus)
+ ProbeInfo++;
+ HostAdapter->IO_Address = ProbeInfo->IO_Address;
+ FetchHostAdapterLocalRAMRequest.ByteOffset = BusLogic_BIOS_BaseOffset + BusLogic_BIOS_DriveMapOffset + 0;
+ FetchHostAdapterLocalRAMRequest.ByteCount = sizeof(Drive0MapByte);
+ BusLogic_Command(HostAdapter, BusLogic_FetchHostAdapterLocalRAM, &FetchHostAdapterLocalRAMRequest, sizeof(FetchHostAdapterLocalRAMRequest), &Drive0MapByte, sizeof(Drive0MapByte));
+ /*
+ If the Map Byte for BIOS Drive 0 indicates that BIOS Drive 0
+ is controlled by this PCI MultiMaster Host Adapter, then
+ reverse the probe order so that MultiMaster Host Adapters are
+ probed before FlashPoint Host Adapters.
+ */
+ if (Drive0MapByte.DiskGeometry != BusLogic_BIOS_Disk_Not_Installed) {
+ struct BusLogic_ProbeInfo SavedProbeInfo[BusLogic_MaxHostAdapters];
+ int MultiMasterCount = BusLogic_ProbeInfoCount - FlashPointCount;
+ memcpy(SavedProbeInfo, BusLogic_ProbeInfoList, BusLogic_ProbeInfoCount * sizeof(struct BusLogic_ProbeInfo));
+ memcpy(&BusLogic_ProbeInfoList[0], &SavedProbeInfo[FlashPointCount], MultiMasterCount * sizeof(struct BusLogic_ProbeInfo));
+ memcpy(&BusLogic_ProbeInfoList[MultiMasterCount], &SavedProbeInfo[0], FlashPointCount * sizeof(struct BusLogic_ProbeInfo));
+ }
+ }
}
- }
- }
- }
- else BusLogic_InitializeProbeInfoListISA(PrototypeHostAdapter);
+ } else
+ BusLogic_InitializeProbeInfoListISA(PrototypeHostAdapter);
}
-#endif /* CONFIG_PCI */
+#endif /* CONFIG_PCI */
/*
BusLogic_Failure prints a standardized error message, and then returns false.
*/
-static boolean BusLogic_Failure(struct BusLogic_HostAdapter *HostAdapter,
- char *ErrorMessage)
+static boolean BusLogic_Failure(struct BusLogic_HostAdapter *HostAdapter, char *ErrorMessage)
{
- BusLogic_AnnounceDriver(HostAdapter);
- if (HostAdapter->HostAdapterBusType == BusLogic_PCI_Bus)
- {
- BusLogic_Error("While configuring BusLogic PCI Host Adapter at\n",
- HostAdapter);
- BusLogic_Error("Bus %d Device %d I/O Address 0x%X PCI Address 0x%X:\n",
- HostAdapter, HostAdapter->Bus, HostAdapter->Device,
- HostAdapter->IO_Address, HostAdapter->PCI_Address);
- }
- else BusLogic_Error("While configuring BusLogic Host Adapter at "
- "I/O Address 0x%X:\n", HostAdapter,
- HostAdapter->IO_Address);
- BusLogic_Error("%s FAILED - DETACHING\n", HostAdapter, ErrorMessage);
- if (BusLogic_CommandFailureReason != NULL)
- BusLogic_Error("ADDITIONAL FAILURE INFO - %s\n", HostAdapter,
- BusLogic_CommandFailureReason);
- return false;
+ BusLogic_AnnounceDriver(HostAdapter);
+ if (HostAdapter->HostAdapterBusType == BusLogic_PCI_Bus) {
+ BusLogic_Error("While configuring BusLogic PCI Host Adapter at\n", HostAdapter);
+ BusLogic_Error("Bus %d Device %d I/O Address 0x%X PCI Address 0x%X:\n", HostAdapter, HostAdapter->Bus, HostAdapter->Device, HostAdapter->IO_Address, HostAdapter->PCI_Address);
+ } else
+ BusLogic_Error("While configuring BusLogic Host Adapter at " "I/O Address 0x%X:\n", HostAdapter, HostAdapter->IO_Address);
+ BusLogic_Error("%s FAILED - DETACHING\n", HostAdapter, ErrorMessage);
+ if (BusLogic_CommandFailureReason != NULL)
+ BusLogic_Error("ADDITIONAL FAILURE INFO - %s\n", HostAdapter, BusLogic_CommandFailureReason);
+ return false;
}
static boolean __init BusLogic_ProbeHostAdapter(struct BusLogic_HostAdapter *HostAdapter)
{
- union BusLogic_StatusRegister StatusRegister;
- union BusLogic_InterruptRegister InterruptRegister;
- union BusLogic_GeometryRegister GeometryRegister;
- /*
- FlashPoint Host Adapters are Probed by the FlashPoint SCCB Manager.
- */
- if (BusLogic_FlashPointHostAdapterP(HostAdapter))
- {
- struct FlashPoint_Info *FlashPointInfo = &HostAdapter->FlashPointInfo;
- FlashPointInfo->BaseAddress =
- (u32) HostAdapter->IO_Address;
- FlashPointInfo->IRQ_Channel = HostAdapter->IRQ_Channel;
- FlashPointInfo->Present = false;
- if (!(FlashPoint_ProbeHostAdapter(FlashPointInfo) == 0 &&
- FlashPointInfo->Present))
- {
- BusLogic_Error("BusLogic: FlashPoint Host Adapter detected at "
- "PCI Bus %d Device %d\n", HostAdapter,
- HostAdapter->Bus, HostAdapter->Device);
- BusLogic_Error("BusLogic: I/O Address 0x%X PCI Address 0x%X, "
- "but FlashPoint\n", HostAdapter,
- HostAdapter->IO_Address, HostAdapter->PCI_Address);
- BusLogic_Error("BusLogic: Probe Function failed to validate it.\n",
- HostAdapter);
- return false;
+ union BusLogic_StatusRegister StatusRegister;
+ union BusLogic_InterruptRegister InterruptRegister;
+ union BusLogic_GeometryRegister GeometryRegister;
+ /*
+ FlashPoint Host Adapters are Probed by the FlashPoint SCCB Manager.
+ */
+ if (BusLogic_FlashPointHostAdapterP(HostAdapter)) {
+ struct FlashPoint_Info *FlashPointInfo = &HostAdapter->FlashPointInfo;
+ FlashPointInfo->BaseAddress = (u32) HostAdapter->IO_Address;
+ FlashPointInfo->IRQ_Channel = HostAdapter->IRQ_Channel;
+ FlashPointInfo->Present = false;
+ if (!(FlashPoint_ProbeHostAdapter(FlashPointInfo) == 0 && FlashPointInfo->Present)) {
+ BusLogic_Error("BusLogic: FlashPoint Host Adapter detected at " "PCI Bus %d Device %d\n", HostAdapter, HostAdapter->Bus, HostAdapter->Device);
+ BusLogic_Error("BusLogic: I/O Address 0x%X PCI Address 0x%X, " "but FlashPoint\n", HostAdapter, HostAdapter->IO_Address, HostAdapter->PCI_Address);
+ BusLogic_Error("BusLogic: Probe Function failed to validate it.\n", HostAdapter);
+ return false;
+ }
+ if (BusLogic_GlobalOptions.TraceProbe)
+ BusLogic_Notice("BusLogic_Probe(0x%X): FlashPoint Found\n", HostAdapter, HostAdapter->IO_Address);
+ /*
+ Indicate the Host Adapter Probe completed successfully.
+ */
+ return true;
}
- if (BusLogic_GlobalOptions.TraceProbe)
- BusLogic_Notice("BusLogic_Probe(0x%X): FlashPoint Found\n",
- HostAdapter, HostAdapter->IO_Address);
- /*
- Indicate the Host Adapter Probe completed successfully.
- */
- return true;
- }
- /*
- Read the Status, Interrupt, and Geometry Registers to test if there are I/O
- ports that respond, and to check the values to determine if they are from a
- BusLogic Host Adapter. A nonexistent I/O port will return 0xFF, in which
- case there is definitely no BusLogic Host Adapter at this base I/O Address.
- The test here is a subset of that used by the BusLogic Host Adapter BIOS.
- */
- StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
- InterruptRegister.All = BusLogic_ReadInterruptRegister(HostAdapter);
- GeometryRegister.All = BusLogic_ReadGeometryRegister(HostAdapter);
- if (BusLogic_GlobalOptions.TraceProbe)
- BusLogic_Notice("BusLogic_Probe(0x%X): Status 0x%02X, Interrupt 0x%02X, "
- "Geometry 0x%02X\n", HostAdapter,
- HostAdapter->IO_Address, StatusRegister.All,
- InterruptRegister.All, GeometryRegister.All);
- if (StatusRegister.All == 0 ||
- StatusRegister.sr.DiagnosticActive ||
- StatusRegister.sr.CommandParameterRegisterBusy ||
- StatusRegister.sr.Reserved ||
- StatusRegister.sr.CommandInvalid ||
- InterruptRegister.ir.Reserved != 0)
- return false;
- /*
- Check the undocumented Geometry Register to test if there is an I/O port
- that responded. Adaptec Host Adapters do not implement the Geometry
- Register, so this test helps serve to avoid incorrectly recognizing an
- Adaptec 1542A or 1542B as a BusLogic. Unfortunately, the Adaptec 1542C
- series does respond to the Geometry Register I/O port, but it will be
- rejected later when the Inquire Extended Setup Information command is
- issued in BusLogic_CheckHostAdapter. The AMI FastDisk Host Adapter is a
- BusLogic clone that implements the same interface as earlier BusLogic
- Host Adapters, including the undocumented commands, and is therefore
- supported by this driver. However, the AMI FastDisk always returns 0x00
- upon reading the Geometry Register, so the extended translation option
- should always be left disabled on the AMI FastDisk.
- */
- if (GeometryRegister.All == 0xFF) return false;
- /*
- Indicate the Host Adapter Probe completed successfully.
- */
- return true;
+ /*
+ Read the Status, Interrupt, and Geometry Registers to test if there are I/O
+ ports that respond, and to check the values to determine if they are from a
+ BusLogic Host Adapter. A nonexistent I/O port will return 0xFF, in which
+ case there is definitely no BusLogic Host Adapter at this base I/O Address.
+ The test here is a subset of that used by the BusLogic Host Adapter BIOS.
+ */
+ StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
+ InterruptRegister.All = BusLogic_ReadInterruptRegister(HostAdapter);
+ GeometryRegister.All = BusLogic_ReadGeometryRegister(HostAdapter);
+ if (BusLogic_GlobalOptions.TraceProbe)
+ BusLogic_Notice("BusLogic_Probe(0x%X): Status 0x%02X, Interrupt 0x%02X, " "Geometry 0x%02X\n", HostAdapter, HostAdapter->IO_Address, StatusRegister.All, InterruptRegister.All, GeometryRegister.All);
+ if (StatusRegister.All == 0 || StatusRegister.sr.DiagnosticActive || StatusRegister.sr.CommandParameterRegisterBusy || StatusRegister.sr.Reserved || StatusRegister.sr.CommandInvalid || InterruptRegister.ir.Reserved != 0)
+ return false;
+ /*
+ Check the undocumented Geometry Register to test if there is an I/O port
+ that responded. Adaptec Host Adapters do not implement the Geometry
+ Register, so this test helps serve to avoid incorrectly recognizing an
+ Adaptec 1542A or 1542B as a BusLogic. Unfortunately, the Adaptec 1542C
+ series does respond to the Geometry Register I/O port, but it will be
+ rejected later when the Inquire Extended Setup Information command is
+ issued in BusLogic_CheckHostAdapter. The AMI FastDisk Host Adapter is a
+ BusLogic clone that implements the same interface as earlier BusLogic
+ Host Adapters, including the undocumented commands, and is therefore
+ supported by this driver. However, the AMI FastDisk always returns 0x00
+ upon reading the Geometry Register, so the extended translation option
+ should always be left disabled on the AMI FastDisk.
+ */
+ if (GeometryRegister.All == 0xFF)
+ return false;
+ /*
+ Indicate the Host Adapter Probe completed successfully.
+ */
+ return true;
}
*/
static boolean BusLogic_HardwareResetHostAdapter(struct BusLogic_HostAdapter
- *HostAdapter,
- boolean HardReset)
+ *HostAdapter, boolean HardReset)
{
- union BusLogic_StatusRegister StatusRegister;
- int TimeoutCounter;
- /*
- FlashPoint Host Adapters are Hard Reset by the FlashPoint SCCB Manager.
- */
- if (BusLogic_FlashPointHostAdapterP(HostAdapter))
- {
- struct FlashPoint_Info *FlashPointInfo = &HostAdapter->FlashPointInfo;
- FlashPointInfo->HostSoftReset = !HardReset;
- FlashPointInfo->ReportDataUnderrun = true;
- HostAdapter->CardHandle =
- FlashPoint_HardwareResetHostAdapter(FlashPointInfo);
- if (HostAdapter->CardHandle == FlashPoint_BadCardHandle) return false;
- /*
- Indicate the Host Adapter Hard Reset completed successfully.
- */
- return true;
- }
- /*
- Issue a Hard Reset or Soft Reset Command to the Host Adapter. The Host
- Adapter should respond by setting Diagnostic Active in the Status Register.
- */
- if (HardReset)
- BusLogic_HardReset(HostAdapter);
- else BusLogic_SoftReset(HostAdapter);
- /*
- Wait until Diagnostic Active is set in the Status Register.
- */
- TimeoutCounter = 5*10000;
- while (--TimeoutCounter >= 0)
- {
- StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
- if (StatusRegister.sr.DiagnosticActive) break;
- udelay(100);
- }
- if (BusLogic_GlobalOptions.TraceHardwareReset)
- BusLogic_Notice("BusLogic_HardwareReset(0x%X): Diagnostic Active, "
- "Status 0x%02X\n", HostAdapter,
- HostAdapter->IO_Address, StatusRegister.All);
- if (TimeoutCounter < 0) return false;
- /*
- Wait 100 microseconds to allow completion of any initial diagnostic
- activity which might leave the contents of the Status Register
- unpredictable.
- */
- udelay(100);
- /*
- Wait until Diagnostic Active is reset in the Status Register.
- */
- TimeoutCounter = 10*10000;
- while (--TimeoutCounter >= 0)
- {
- StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
- if (!StatusRegister.sr.DiagnosticActive) break;
- udelay(100);
- }
- if (BusLogic_GlobalOptions.TraceHardwareReset)
- BusLogic_Notice("BusLogic_HardwareReset(0x%X): Diagnostic Completed, "
- "Status 0x%02X\n", HostAdapter,
- HostAdapter->IO_Address, StatusRegister.All);
- if (TimeoutCounter < 0) return false;
- /*
- Wait until at least one of the Diagnostic Failure, Host Adapter Ready,
- or Data In Register Ready bits is set in the Status Register.
- */
- TimeoutCounter = 10000;
- while (--TimeoutCounter >= 0)
- {
- StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
- if (StatusRegister.sr.DiagnosticFailure ||
- StatusRegister.sr.HostAdapterReady ||
- StatusRegister.sr.DataInRegisterReady)
- break;
- udelay(100);
- }
- if (BusLogic_GlobalOptions.TraceHardwareReset)
- BusLogic_Notice("BusLogic_HardwareReset(0x%X): Host Adapter Ready, "
- "Status 0x%02X\n", HostAdapter,
- HostAdapter->IO_Address, StatusRegister.All);
- if (TimeoutCounter < 0) return false;
- /*
- If Diagnostic Failure is set or Host Adapter Ready is reset, then an
- error occurred during the Host Adapter diagnostics. If Data In Register
- Ready is set, then there is an Error Code available.
- */
- if (StatusRegister.sr.DiagnosticFailure ||
- !StatusRegister.sr.HostAdapterReady)
- {
- BusLogic_CommandFailureReason = NULL;
- BusLogic_Failure(HostAdapter, "HARD RESET DIAGNOSTICS");
- BusLogic_Error("HOST ADAPTER STATUS REGISTER = %02X\n",
- HostAdapter, StatusRegister.All);
- if (StatusRegister.sr.DataInRegisterReady)
- {
- unsigned char ErrorCode = BusLogic_ReadDataInRegister(HostAdapter);
- BusLogic_Error("HOST ADAPTER ERROR CODE = %d\n",
- HostAdapter, ErrorCode);
+ union BusLogic_StatusRegister StatusRegister;
+ int TimeoutCounter;
+ /*
+ FlashPoint Host Adapters are Hard Reset by the FlashPoint SCCB Manager.
+ */
+ if (BusLogic_FlashPointHostAdapterP(HostAdapter)) {
+ struct FlashPoint_Info *FlashPointInfo = &HostAdapter->FlashPointInfo;
+ FlashPointInfo->HostSoftReset = !HardReset;
+ FlashPointInfo->ReportDataUnderrun = true;
+ HostAdapter->CardHandle = FlashPoint_HardwareResetHostAdapter(FlashPointInfo);
+ if (HostAdapter->CardHandle == FlashPoint_BadCardHandle)
+ return false;
+ /*
+ Indicate the Host Adapter Hard Reset completed successfully.
+ */
+ return true;
+ }
+ /*
+ Issue a Hard Reset or Soft Reset Command to the Host Adapter. The Host
+ Adapter should respond by setting Diagnostic Active in the Status Register.
+ */
+ if (HardReset)
+ BusLogic_HardReset(HostAdapter);
+ else
+ BusLogic_SoftReset(HostAdapter);
+ /*
+ Wait until Diagnostic Active is set in the Status Register.
+ */
+ TimeoutCounter = 5 * 10000;
+ while (--TimeoutCounter >= 0) {
+ StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
+ if (StatusRegister.sr.DiagnosticActive)
+ break;
+ udelay(100);
}
- return false;
- }
- /*
- Indicate the Host Adapter Hard Reset completed successfully.
- */
- return true;
+ if (BusLogic_GlobalOptions.TraceHardwareReset)
+ BusLogic_Notice("BusLogic_HardwareReset(0x%X): Diagnostic Active, " "Status 0x%02X\n", HostAdapter, HostAdapter->IO_Address, StatusRegister.All);
+ if (TimeoutCounter < 0)
+ return false;
+ /*
+ Wait 100 microseconds to allow completion of any initial diagnostic
+ activity which might leave the contents of the Status Register
+ unpredictable.
+ */
+ udelay(100);
+ /*
+ Wait until Diagnostic Active is reset in the Status Register.
+ */
+ TimeoutCounter = 10 * 10000;
+ while (--TimeoutCounter >= 0) {
+ StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
+ if (!StatusRegister.sr.DiagnosticActive)
+ break;
+ udelay(100);
+ }
+ if (BusLogic_GlobalOptions.TraceHardwareReset)
+ BusLogic_Notice("BusLogic_HardwareReset(0x%X): Diagnostic Completed, " "Status 0x%02X\n", HostAdapter, HostAdapter->IO_Address, StatusRegister.All);
+ if (TimeoutCounter < 0)
+ return false;
+ /*
+ Wait until at least one of the Diagnostic Failure, Host Adapter Ready,
+ or Data In Register Ready bits is set in the Status Register.
+ */
+ TimeoutCounter = 10000;
+ while (--TimeoutCounter >= 0) {
+ StatusRegister.All = BusLogic_ReadStatusRegister(HostAdapter);
+ if (StatusRegister.sr.DiagnosticFailure || StatusRegister.sr.HostAdapterReady || StatusRegister.sr.DataInRegisterReady)
+ break;
+ udelay(100);
+ }
+ if (BusLogic_GlobalOptions.TraceHardwareReset)
+ BusLogic_Notice("BusLogic_HardwareReset(0x%X): Host Adapter Ready, " "Status 0x%02X\n", HostAdapter, HostAdapter->IO_Address, StatusRegister.All);
+ if (TimeoutCounter < 0)
+ return false;
+ /*
+ If Diagnostic Failure is set or Host Adapter Ready is reset, then an
+ error occurred during the Host Adapter diagnostics. If Data In Register
+ Ready is set, then there is an Error Code available.
+ */
+ if (StatusRegister.sr.DiagnosticFailure || !StatusRegister.sr.HostAdapterReady) {
+ BusLogic_CommandFailureReason = NULL;
+ BusLogic_Failure(HostAdapter, "HARD RESET DIAGNOSTICS");
+ BusLogic_Error("HOST ADAPTER STATUS REGISTER = %02X\n", HostAdapter, StatusRegister.All);
+ if (StatusRegister.sr.DataInRegisterReady) {
+ unsigned char ErrorCode = BusLogic_ReadDataInRegister(HostAdapter);
+ BusLogic_Error("HOST ADAPTER ERROR CODE = %d\n", HostAdapter, ErrorCode);
+ }
+ return false;
+ }
+ /*
+ Indicate the Host Adapter Hard Reset completed successfully.
+ */
+ return true;
}
static boolean __init BusLogic_CheckHostAdapter(struct BusLogic_HostAdapter *HostAdapter)
{
- struct BusLogic_ExtendedSetupInformation ExtendedSetupInformation;
- unsigned char RequestedReplyLength;
- boolean Result = true;
- /*
- FlashPoint Host Adapters do not require this protection.
- */
- if (BusLogic_FlashPointHostAdapterP(HostAdapter)) return true;
- /*
- Issue the Inquire Extended Setup Information command. Only genuine
- BusLogic Host Adapters and true clones support this command. Adaptec 1542C
- series Host Adapters that respond to the Geometry Register I/O port will
- fail this command.
- */
- RequestedReplyLength = sizeof(ExtendedSetupInformation);
- if (BusLogic_Command(HostAdapter,
- BusLogic_InquireExtendedSetupInformation,
- &RequestedReplyLength,
- sizeof(RequestedReplyLength),
- &ExtendedSetupInformation,
- sizeof(ExtendedSetupInformation))
- != sizeof(ExtendedSetupInformation))
- Result = false;
- /*
- Provide tracing information if requested and return.
- */
- if (BusLogic_GlobalOptions.TraceProbe)
- BusLogic_Notice("BusLogic_Check(0x%X): MultiMaster %s\n", HostAdapter,
- HostAdapter->IO_Address, (Result ? "Found" : "Not Found"));
- return Result;
+ struct BusLogic_ExtendedSetupInformation ExtendedSetupInformation;
+ unsigned char RequestedReplyLength;
+ boolean Result = true;
+ /*
+ FlashPoint Host Adapters do not require this protection.
+ */
+ if (BusLogic_FlashPointHostAdapterP(HostAdapter))
+ return true;
+ /*
+ Issue the Inquire Extended Setup Information command. Only genuine
+ BusLogic Host Adapters and true clones support this command. Adaptec 1542C
+ series Host Adapters that respond to the Geometry Register I/O port will
+ fail this command.
+ */
+ RequestedReplyLength = sizeof(ExtendedSetupInformation);
+ if (BusLogic_Command(HostAdapter, BusLogic_InquireExtendedSetupInformation, &RequestedReplyLength, sizeof(RequestedReplyLength), &ExtendedSetupInformation, sizeof(ExtendedSetupInformation))
+ != sizeof(ExtendedSetupInformation))
+ Result = false;
+ /*
+ Provide tracing information if requested and return.
+ */
+ if (BusLogic_GlobalOptions.TraceProbe)
+ BusLogic_Notice("BusLogic_Check(0x%X): MultiMaster %s\n", HostAdapter, HostAdapter->IO_Address, (Result ? "Found" : "Not Found"));
+ return Result;
}
static boolean __init BusLogic_ReadHostAdapterConfiguration(struct BusLogic_HostAdapter
*HostAdapter)
{
- struct BusLogic_BoardID BoardID;
- struct BusLogic_Configuration Configuration;
- struct BusLogic_SetupInformation SetupInformation;
- struct BusLogic_ExtendedSetupInformation ExtendedSetupInformation;
- unsigned char HostAdapterModelNumber[5];
- unsigned char FirmwareVersion3rdDigit;
- unsigned char FirmwareVersionLetter;
- struct BusLogic_PCIHostAdapterInformation PCIHostAdapterInformation;
- struct BusLogic_FetchHostAdapterLocalRAMRequest FetchHostAdapterLocalRAMRequest;
- struct BusLogic_AutoSCSIData AutoSCSIData;
- union BusLogic_GeometryRegister GeometryRegister;
- unsigned char RequestedReplyLength;
- unsigned char *TargetPointer, Character;
- int TargetID, i;
- /*
- Configuration Information for FlashPoint Host Adapters is provided in the
- FlashPoint_Info structure by the FlashPoint SCCB Manager's Probe Function.
- Initialize fields in the Host Adapter structure from the FlashPoint_Info
- structure.
- */
- if (BusLogic_FlashPointHostAdapterP(HostAdapter))
- {
- struct FlashPoint_Info *FlashPointInfo = &HostAdapter->FlashPointInfo;
- TargetPointer = HostAdapter->ModelName;
- *TargetPointer++ = 'B';
- *TargetPointer++ = 'T';
- *TargetPointer++ = '-';
- for (i = 0; i < sizeof(FlashPointInfo->ModelNumber); i++)
- *TargetPointer++ = FlashPointInfo->ModelNumber[i];
- *TargetPointer++ = '\0';
- strcpy(HostAdapter->FirmwareVersion, FlashPoint_FirmwareVersion);
- HostAdapter->SCSI_ID = FlashPointInfo->SCSI_ID;
- HostAdapter->ExtendedTranslationEnabled =
- FlashPointInfo->ExtendedTranslationEnabled;
- HostAdapter->ParityCheckingEnabled =
- FlashPointInfo->ParityCheckingEnabled;
- HostAdapter->BusResetEnabled = !FlashPointInfo->HostSoftReset;
- HostAdapter->LevelSensitiveInterrupt = true;
- HostAdapter->HostWideSCSI = FlashPointInfo->HostWideSCSI;
- HostAdapter->HostDifferentialSCSI = false;
- HostAdapter->HostSupportsSCAM = true;
- HostAdapter->HostUltraSCSI = true;
- HostAdapter->ExtendedLUNSupport = true;
- HostAdapter->TerminationInfoValid = true;
- HostAdapter->LowByteTerminated = FlashPointInfo->LowByteTerminated;
- HostAdapter->HighByteTerminated = FlashPointInfo->HighByteTerminated;
- HostAdapter->SCAM_Enabled = FlashPointInfo->SCAM_Enabled;
- HostAdapter->SCAM_Level2 = FlashPointInfo->SCAM_Level2;
- HostAdapter->DriverScatterGatherLimit = BusLogic_ScatterGatherLimit;
- HostAdapter->MaxTargetDevices = (HostAdapter->HostWideSCSI ? 16 : 8);
- HostAdapter->MaxLogicalUnits = 32;
- HostAdapter->InitialCCBs = 4 * BusLogic_CCB_AllocationGroupSize;
- HostAdapter->IncrementalCCBs = BusLogic_CCB_AllocationGroupSize;
- HostAdapter->DriverQueueDepth = 255;
- HostAdapter->HostAdapterQueueDepth = HostAdapter->DriverQueueDepth;
- HostAdapter->SynchronousPermitted = FlashPointInfo->SynchronousPermitted;
- HostAdapter->FastPermitted = FlashPointInfo->FastPermitted;
- HostAdapter->UltraPermitted = FlashPointInfo->UltraPermitted;
- HostAdapter->WidePermitted = FlashPointInfo->WidePermitted;
- HostAdapter->DisconnectPermitted = FlashPointInfo->DisconnectPermitted;
- HostAdapter->TaggedQueuingPermitted = 0xFFFF;
- goto Common;
- }
- /*
- Issue the Inquire Board ID command.
- */
- if (BusLogic_Command(HostAdapter, BusLogic_InquireBoardID, NULL, 0,
- &BoardID, sizeof(BoardID)) != sizeof(BoardID))
- return BusLogic_Failure(HostAdapter, "INQUIRE BOARD ID");
- /*
- Issue the Inquire Configuration command.
- */
- if (BusLogic_Command(HostAdapter, BusLogic_InquireConfiguration, NULL, 0,
- &Configuration, sizeof(Configuration))
- != sizeof(Configuration))
- return BusLogic_Failure(HostAdapter, "INQUIRE CONFIGURATION");
- /*
- Issue the Inquire Setup Information command.
- */
- RequestedReplyLength = sizeof(SetupInformation);
- if (BusLogic_Command(HostAdapter, BusLogic_InquireSetupInformation,
- &RequestedReplyLength, sizeof(RequestedReplyLength),
- &SetupInformation, sizeof(SetupInformation))
- != sizeof(SetupInformation))
- return BusLogic_Failure(HostAdapter, "INQUIRE SETUP INFORMATION");
- /*
- Issue the Inquire Extended Setup Information command.
- */
- RequestedReplyLength = sizeof(ExtendedSetupInformation);
- if (BusLogic_Command(HostAdapter, BusLogic_InquireExtendedSetupInformation,
- &RequestedReplyLength, sizeof(RequestedReplyLength),
- &ExtendedSetupInformation,
- sizeof(ExtendedSetupInformation))
- != sizeof(ExtendedSetupInformation))
- return BusLogic_Failure(HostAdapter, "INQUIRE EXTENDED SETUP INFORMATION");
- /*
- Issue the Inquire Firmware Version 3rd Digit command.
- */
- FirmwareVersion3rdDigit = '\0';
- if (BoardID.FirmwareVersion1stDigit > '0')
- if (BusLogic_Command(HostAdapter, BusLogic_InquireFirmwareVersion3rdDigit,
- NULL, 0, &FirmwareVersion3rdDigit,
- sizeof(FirmwareVersion3rdDigit))
- != sizeof(FirmwareVersion3rdDigit))
- return BusLogic_Failure(HostAdapter, "INQUIRE FIRMWARE 3RD DIGIT");
- /*
- Issue the Inquire Host Adapter Model Number command.
- */
- if (ExtendedSetupInformation.BusType == 'A' &&
- BoardID.FirmwareVersion1stDigit == '2')
- /* BusLogic BT-542B ISA 2.xx */
- strcpy(HostAdapterModelNumber, "542B");
- else if (ExtendedSetupInformation.BusType == 'E' &&
- BoardID.FirmwareVersion1stDigit == '2' &&
- (BoardID.FirmwareVersion2ndDigit <= '1' ||
- (BoardID.FirmwareVersion2ndDigit == '2' &&
- FirmwareVersion3rdDigit == '0')))
- /* BusLogic BT-742A EISA 2.1x or 2.20 */
- strcpy(HostAdapterModelNumber, "742A");
- else if (ExtendedSetupInformation.BusType == 'E' &&
- BoardID.FirmwareVersion1stDigit == '0')
- /* AMI FastDisk EISA Series 441 0.x */
- strcpy(HostAdapterModelNumber, "747A");
- else
- {
- RequestedReplyLength = sizeof(HostAdapterModelNumber);
- if (BusLogic_Command(HostAdapter, BusLogic_InquireHostAdapterModelNumber,
- &RequestedReplyLength, sizeof(RequestedReplyLength),
- &HostAdapterModelNumber,
- sizeof(HostAdapterModelNumber))
- != sizeof(HostAdapterModelNumber))
- return BusLogic_Failure(HostAdapter,
- "INQUIRE HOST ADAPTER MODEL NUMBER");
- }
- /*
- BusLogic MultiMaster Host Adapters can be identified by their model number
- and the major version number of their firmware as follows:
-
- 5.xx BusLogic "W" Series Host Adapters:
- BT-948/958/958D
- 4.xx BusLogic "C" Series Host Adapters:
- BT-946C/956C/956CD/747C/757C/757CD/445C/545C/540CF
- 3.xx BusLogic "S" Series Host Adapters:
- BT-747S/747D/757S/757D/445S/545S/542D
- BT-542B/742A (revision H)
- 2.xx BusLogic "A" Series Host Adapters:
- BT-542B/742A (revision G and below)
- 0.xx AMI FastDisk VLB/EISA BusLogic Clone Host Adapter
- */
- /*
- Save the Model Name and Host Adapter Name in the Host Adapter structure.
- */
- TargetPointer = HostAdapter->ModelName;
- *TargetPointer++ = 'B';
- *TargetPointer++ = 'T';
- *TargetPointer++ = '-';
- for (i = 0; i < sizeof(HostAdapterModelNumber); i++)
- {
- Character = HostAdapterModelNumber[i];
- if (Character == ' ' || Character == '\0') break;
- *TargetPointer++ = Character;
- }
- *TargetPointer++ = '\0';
- /*
- Save the Firmware Version in the Host Adapter structure.
- */
- TargetPointer = HostAdapter->FirmwareVersion;
- *TargetPointer++ = BoardID.FirmwareVersion1stDigit;
- *TargetPointer++ = '.';
- *TargetPointer++ = BoardID.FirmwareVersion2ndDigit;
- if (FirmwareVersion3rdDigit != ' ' && FirmwareVersion3rdDigit != '\0')
- *TargetPointer++ = FirmwareVersion3rdDigit;
- *TargetPointer = '\0';
- /*
- Issue the Inquire Firmware Version Letter command.
- */
- if (strcmp(HostAdapter->FirmwareVersion, "3.3") >= 0)
- {
- if (BusLogic_Command(HostAdapter, BusLogic_InquireFirmwareVersionLetter,
- NULL, 0, &FirmwareVersionLetter,
- sizeof(FirmwareVersionLetter))
- != sizeof(FirmwareVersionLetter))
- return BusLogic_Failure(HostAdapter,
- "INQUIRE FIRMWARE VERSION LETTER");
- if (FirmwareVersionLetter != ' ' && FirmwareVersionLetter != '\0')
- *TargetPointer++ = FirmwareVersionLetter;
- *TargetPointer = '\0';
- }
- /*
- Save the Host Adapter SCSI ID in the Host Adapter structure.
- */
- HostAdapter->SCSI_ID = Configuration.HostAdapterID;
- /*
- Determine the Bus Type and save it in the Host Adapter structure, determine
- and save the IRQ Channel if necessary, and determine and save the DMA
- Channel for ISA Host Adapters.
- */
- HostAdapter->HostAdapterBusType =
- BusLogic_HostAdapterBusTypes[HostAdapter->ModelName[3] - '4'];
- if (HostAdapter->IRQ_Channel == 0)
- {
- if (Configuration.IRQ_Channel9)
- HostAdapter->IRQ_Channel = 9;
- else if (Configuration.IRQ_Channel10)
- HostAdapter->IRQ_Channel = 10;
- else if (Configuration.IRQ_Channel11)
- HostAdapter->IRQ_Channel = 11;
- else if (Configuration.IRQ_Channel12)
- HostAdapter->IRQ_Channel = 12;
- else if (Configuration.IRQ_Channel14)
- HostAdapter->IRQ_Channel = 14;
- else if (Configuration.IRQ_Channel15)
- HostAdapter->IRQ_Channel = 15;
- }
- if (HostAdapter->HostAdapterBusType == BusLogic_ISA_Bus)
- {
- if (Configuration.DMA_Channel5)
- HostAdapter->DMA_Channel = 5;
- else if (Configuration.DMA_Channel6)
- HostAdapter->DMA_Channel = 6;
- else if (Configuration.DMA_Channel7)
- HostAdapter->DMA_Channel = 7;
- }
- /*
- Determine whether Extended Translation is enabled and save it in
- the Host Adapter structure.
- */
- GeometryRegister.All = BusLogic_ReadGeometryRegister(HostAdapter);
- HostAdapter->ExtendedTranslationEnabled =
- GeometryRegister.gr.ExtendedTranslationEnabled;
- /*
- Save the Scatter Gather Limits, Level Sensitive Interrupt flag, Wide
- SCSI flag, Differential SCSI flag, SCAM Supported flag, and
- Ultra SCSI flag in the Host Adapter structure.
- */
- HostAdapter->HostAdapterScatterGatherLimit =
- ExtendedSetupInformation.ScatterGatherLimit;
- HostAdapter->DriverScatterGatherLimit =
- HostAdapter->HostAdapterScatterGatherLimit;
- if (HostAdapter->HostAdapterScatterGatherLimit > BusLogic_ScatterGatherLimit)
- HostAdapter->DriverScatterGatherLimit = BusLogic_ScatterGatherLimit;
- if (ExtendedSetupInformation.Misc.LevelSensitiveInterrupt)
- HostAdapter->LevelSensitiveInterrupt = true;
- HostAdapter->HostWideSCSI = ExtendedSetupInformation.HostWideSCSI;
- HostAdapter->HostDifferentialSCSI =
- ExtendedSetupInformation.HostDifferentialSCSI;
- HostAdapter->HostSupportsSCAM = ExtendedSetupInformation.HostSupportsSCAM;
- HostAdapter->HostUltraSCSI = ExtendedSetupInformation.HostUltraSCSI;
- /*
- Determine whether Extended LUN Format CCBs are supported and save the
- information in the Host Adapter structure.
- */
- if (HostAdapter->FirmwareVersion[0] == '5' ||
- (HostAdapter->FirmwareVersion[0] == '4' && HostAdapter->HostWideSCSI))
- HostAdapter->ExtendedLUNSupport = true;
- /*
- Issue the Inquire PCI Host Adapter Information command to read the
- Termination Information from "W" series MultiMaster Host Adapters.
- */
- if (HostAdapter->FirmwareVersion[0] == '5')
- {
- if (BusLogic_Command(HostAdapter,
- BusLogic_InquirePCIHostAdapterInformation,
- NULL, 0, &PCIHostAdapterInformation,
- sizeof(PCIHostAdapterInformation))
- != sizeof(PCIHostAdapterInformation))
- return BusLogic_Failure(HostAdapter,
- "INQUIRE PCI HOST ADAPTER INFORMATION");
- /*
- Save the Termination Information in the Host Adapter structure.
- */
- if (PCIHostAdapterInformation.GenericInfoValid)
- {
- HostAdapter->TerminationInfoValid = true;
- HostAdapter->LowByteTerminated =
- PCIHostAdapterInformation.LowByteTerminated;
- HostAdapter->HighByteTerminated =
- PCIHostAdapterInformation.HighByteTerminated;
+ struct BusLogic_BoardID BoardID;
+ struct BusLogic_Configuration Configuration;
+ struct BusLogic_SetupInformation SetupInformation;
+ struct BusLogic_ExtendedSetupInformation ExtendedSetupInformation;
+ unsigned char HostAdapterModelNumber[5];
+ unsigned char FirmwareVersion3rdDigit;
+ unsigned char FirmwareVersionLetter;
+ struct BusLogic_PCIHostAdapterInformation PCIHostAdapterInformation;
+ struct BusLogic_FetchHostAdapterLocalRAMRequest FetchHostAdapterLocalRAMRequest;
+ struct BusLogic_AutoSCSIData AutoSCSIData;
+ union BusLogic_GeometryRegister GeometryRegister;
+ unsigned char RequestedReplyLength;
+ unsigned char *TargetPointer, Character;
+ int TargetID, i;
+ /*
+ Configuration Information for FlashPoint Host Adapters is provided in the
+ FlashPoint_Info structure by the FlashPoint SCCB Manager's Probe Function.
+ Initialize fields in the Host Adapter structure from the FlashPoint_Info
+ structure.
+ */
+ if (BusLogic_FlashPointHostAdapterP(HostAdapter)) {
+ struct FlashPoint_Info *FlashPointInfo = &HostAdapter->FlashPointInfo;
+ TargetPointer = HostAdapter->ModelName;
+ *TargetPointer++ = 'B';
+ *TargetPointer++ = 'T';
+ *TargetPointer++ = '-';
+ for (i = 0; i < sizeof(FlashPointInfo->ModelNumber); i++)
+ *TargetPointer++ = FlashPointInfo->ModelNumber[i];
+ *TargetPointer++ = '\0';
+ strcpy(HostAdapter->FirmwareVersion, FlashPoint_FirmwareVersion);
+ HostAdapter->SCSI_ID = FlashPointInfo->SCSI_ID;
+ HostAdapter->ExtendedTranslationEnabled = FlashPointInfo->ExtendedTranslationEnabled;
+ HostAdapter->ParityCheckingEnabled = FlashPointInfo->ParityCheckingEnabled;
+ HostAdapter->BusResetEnabled = !FlashPointInfo->HostSoftReset;
+ HostAdapter->LevelSensitiveInterrupt = true;
+ HostAdapter->HostWideSCSI = FlashPointInfo->HostWideSCSI;
+ HostAdapter->HostDifferentialSCSI = false;
+ HostAdapter->HostSupportsSCAM = true;
+ HostAdapter->HostUltraSCSI = true;
+ HostAdapter->ExtendedLUNSupport = true;
+ HostAdapter->TerminationInfoValid = true;
+ HostAdapter->LowByteTerminated = FlashPointInfo->LowByteTerminated;
+ HostAdapter->HighByteTerminated = FlashPointInfo->HighByteTerminated;
+ HostAdapter->SCAM_Enabled = FlashPointInfo->SCAM_Enabled;
+ HostAdapter->SCAM_Level2 = FlashPointInfo->SCAM_Level2;
+ HostAdapter->DriverScatterGatherLimit = BusLogic_ScatterGatherLimit;
+ HostAdapter->MaxTargetDevices = (HostAdapter->HostWideSCSI ? 16 : 8);
+ HostAdapter->MaxLogicalUnits = 32;
+ HostAdapter->InitialCCBs = 4 * BusLogic_CCB_AllocationGroupSize;
+ HostAdapter->IncrementalCCBs = BusLogic_CCB_AllocationGroupSize;
+ HostAdapter->DriverQueueDepth = 255;
+ HostAdapter->HostAdapterQueueDepth = HostAdapter->DriverQueueDepth;
+ HostAdapter->SynchronousPermitted = FlashPointInfo->SynchronousPermitted;
+ HostAdapter->FastPermitted = FlashPointInfo->FastPermitted;
+ HostAdapter->UltraPermitted = FlashPointInfo->UltraPermitted;
+ HostAdapter->WidePermitted = FlashPointInfo->WidePermitted;
+ HostAdapter->DisconnectPermitted = FlashPointInfo->DisconnectPermitted;
+ HostAdapter->TaggedQueuingPermitted = 0xFFFF;
+ goto Common;
+ }
+ /*
+ Issue the Inquire Board ID command.
+ */
+ if (BusLogic_Command(HostAdapter, BusLogic_InquireBoardID, NULL, 0, &BoardID, sizeof(BoardID)) != sizeof(BoardID))
+ return BusLogic_Failure(HostAdapter, "INQUIRE BOARD ID");
+ /*
+ Issue the Inquire Configuration command.
+ */
+ if (BusLogic_Command(HostAdapter, BusLogic_InquireConfiguration, NULL, 0, &Configuration, sizeof(Configuration))
+ != sizeof(Configuration))
+ return BusLogic_Failure(HostAdapter, "INQUIRE CONFIGURATION");
+ /*
+ Issue the Inquire Setup Information command.
+ */
+ RequestedReplyLength = sizeof(SetupInformation);
+ if (BusLogic_Command(HostAdapter, BusLogic_InquireSetupInformation, &RequestedReplyLength, sizeof(RequestedReplyLength), &SetupInformation, sizeof(SetupInformation))
+ != sizeof(SetupInformation))
+ return BusLogic_Failure(HostAdapter, "INQUIRE SETUP INFORMATION");
+ /*
+ Issue the Inquire Extended Setup Information command.
+ */
+ RequestedReplyLength = sizeof(ExtendedSetupInformation);
+ if (BusLogic_Command(HostAdapter, BusLogic_InquireExtendedSetupInformation, &RequestedReplyLength, sizeof(RequestedReplyLength), &ExtendedSetupInformation, sizeof(ExtendedSetupInformation))
+ != sizeof(ExtendedSetupInformation))
+ return BusLogic_Failure(HostAdapter, "INQUIRE EXTENDED SETUP INFORMATION");
+ /*
+ Issue the Inquire Firmware Version 3rd Digit command.
+ */
+ FirmwareVersion3rdDigit = '\0';
+ if (BoardID.FirmwareVersion1stDigit > '0')
+ if (BusLogic_Command(HostAdapter, BusLogic_InquireFirmwareVersion3rdDigit, NULL, 0, &FirmwareVersion3rdDigit, sizeof(FirmwareVersion3rdDigit))
+ != sizeof(FirmwareVersion3rdDigit))
+ return BusLogic_Failure(HostAdapter, "INQUIRE FIRMWARE 3RD DIGIT");
+ /*
+ Issue the Inquire Host Adapter Model Number command.
+ */
+ if (ExtendedSetupInformation.BusType == 'A' && BoardID.FirmwareVersion1stDigit == '2')
+ /* BusLogic BT-542B ISA 2.xx */
+ strcpy(HostAdapterModelNumber, "542B");
+ else if (ExtendedSetupInformation.BusType == 'E' && BoardID.FirmwareVersion1stDigit == '2' && (BoardID.FirmwareVersion2ndDigit <= '1' || (BoardID.FirmwareVersion2ndDigit == '2' && FirmwareVersion3rdDigit == '0')))
+ /* BusLogic BT-742A EISA 2.1x or 2.20 */
+ strcpy(HostAdapterModelNumber, "742A");
+ else if (ExtendedSetupInformation.BusType == 'E' && BoardID.FirmwareVersion1stDigit == '0')
+ /* AMI FastDisk EISA Series 441 0.x */
+ strcpy(HostAdapterModelNumber, "747A");
+ else {
+ RequestedReplyLength = sizeof(HostAdapterModelNumber);
+ if (BusLogic_Command(HostAdapter, BusLogic_InquireHostAdapterModelNumber, &RequestedReplyLength, sizeof(RequestedReplyLength), &HostAdapterModelNumber, sizeof(HostAdapterModelNumber))
+ != sizeof(HostAdapterModelNumber))
+ return BusLogic_Failure(HostAdapter, "INQUIRE HOST ADAPTER MODEL NUMBER");
}
- }
- /*
- Issue the Fetch Host Adapter Local RAM command to read the AutoSCSI data
- from "W" and "C" series MultiMaster Host Adapters.
- */
- if (HostAdapter->FirmwareVersion[0] >= '4')
- {
- FetchHostAdapterLocalRAMRequest.ByteOffset =
- BusLogic_AutoSCSI_BaseOffset;
- FetchHostAdapterLocalRAMRequest.ByteCount = sizeof(AutoSCSIData);
- if (BusLogic_Command(HostAdapter,
- BusLogic_FetchHostAdapterLocalRAM,
- &FetchHostAdapterLocalRAMRequest,
- sizeof(FetchHostAdapterLocalRAMRequest),
- &AutoSCSIData, sizeof(AutoSCSIData))
- != sizeof(AutoSCSIData))
- return BusLogic_Failure(HostAdapter, "FETCH HOST ADAPTER LOCAL RAM");
- /*
- Save the Parity Checking Enabled, Bus Reset Enabled, and Termination
- Information in the Host Adapter structure.
- */
- HostAdapter->ParityCheckingEnabled = AutoSCSIData.ParityCheckingEnabled;
- HostAdapter->BusResetEnabled = AutoSCSIData.BusResetEnabled;
- if (HostAdapter->FirmwareVersion[0] == '4')
- {
- HostAdapter->TerminationInfoValid = true;
- HostAdapter->LowByteTerminated = AutoSCSIData.LowByteTerminated;
- HostAdapter->HighByteTerminated = AutoSCSIData.HighByteTerminated;
+ /*
+ BusLogic MultiMaster Host Adapters can be identified by their model number
+ and the major version number of their firmware as follows:
+
+ 5.xx BusLogic "W" Series Host Adapters:
+ BT-948/958/958D
+ 4.xx BusLogic "C" Series Host Adapters:
+ BT-946C/956C/956CD/747C/757C/757CD/445C/545C/540CF
+ 3.xx BusLogic "S" Series Host Adapters:
+ BT-747S/747D/757S/757D/445S/545S/542D
+ BT-542B/742A (revision H)
+ 2.xx BusLogic "A" Series Host Adapters:
+ BT-542B/742A (revision G and below)
+ 0.xx AMI FastDisk VLB/EISA BusLogic Clone Host Adapter
+ */
+ /*
+ Save the Model Name and Host Adapter Name in the Host Adapter structure.
+ */
+ TargetPointer = HostAdapter->ModelName;
+ *TargetPointer++ = 'B';
+ *TargetPointer++ = 'T';
+ *TargetPointer++ = '-';
+ for (i = 0; i < sizeof(HostAdapterModelNumber); i++) {
+ Character = HostAdapterModelNumber[i];
+ if (Character == ' ' || Character == '\0')
+ break;
+ *TargetPointer++ = Character;
+ }
+ *TargetPointer++ = '\0';
+ /*
+ Save the Firmware Version in the Host Adapter structure.
+ */
+ TargetPointer = HostAdapter->FirmwareVersion;
+ *TargetPointer++ = BoardID.FirmwareVersion1stDigit;
+ *TargetPointer++ = '.';
+ *TargetPointer++ = BoardID.FirmwareVersion2ndDigit;
+ if (FirmwareVersion3rdDigit != ' ' && FirmwareVersion3rdDigit != '\0')
+ *TargetPointer++ = FirmwareVersion3rdDigit;
+ *TargetPointer = '\0';
+ /*
+ Issue the Inquire Firmware Version Letter command.
+ */
+ if (strcmp(HostAdapter->FirmwareVersion, "3.3") >= 0) {
+ if (BusLogic_Command(HostAdapter, BusLogic_InquireFirmwareVersionLetter, NULL, 0, &FirmwareVersionLetter, sizeof(FirmwareVersionLetter))
+ != sizeof(FirmwareVersionLetter))
+ return BusLogic_Failure(HostAdapter, "INQUIRE FIRMWARE VERSION LETTER");
+ if (FirmwareVersionLetter != ' ' && FirmwareVersionLetter != '\0')
+ *TargetPointer++ = FirmwareVersionLetter;
+ *TargetPointer = '\0';
}
- /*
- Save the Wide Permitted, Fast Permitted, Synchronous Permitted,
- Disconnect Permitted, Ultra Permitted, and SCAM Information in the
- Host Adapter structure.
- */
- HostAdapter->WidePermitted = AutoSCSIData.WidePermitted;
- HostAdapter->FastPermitted = AutoSCSIData.FastPermitted;
- HostAdapter->SynchronousPermitted =
- AutoSCSIData.SynchronousPermitted;
- HostAdapter->DisconnectPermitted =
- AutoSCSIData.DisconnectPermitted;
- if (HostAdapter->HostUltraSCSI)
- HostAdapter->UltraPermitted = AutoSCSIData.UltraPermitted;
- if (HostAdapter->HostSupportsSCAM)
- {
- HostAdapter->SCAM_Enabled = AutoSCSIData.SCAM_Enabled;
- HostAdapter->SCAM_Level2 = AutoSCSIData.SCAM_Level2;
+ /*
+ Save the Host Adapter SCSI ID in the Host Adapter structure.
+ */
+ HostAdapter->SCSI_ID = Configuration.HostAdapterID;
+ /*
+ Determine the Bus Type and save it in the Host Adapter structure, determine
+ and save the IRQ Channel if necessary, and determine and save the DMA
+ Channel for ISA Host Adapters.
+ */
+ HostAdapter->HostAdapterBusType = BusLogic_HostAdapterBusTypes[HostAdapter->ModelName[3] - '4'];
+ if (HostAdapter->IRQ_Channel == 0) {
+ if (Configuration.IRQ_Channel9)
+ HostAdapter->IRQ_Channel = 9;
+ else if (Configuration.IRQ_Channel10)
+ HostAdapter->IRQ_Channel = 10;
+ else if (Configuration.IRQ_Channel11)
+ HostAdapter->IRQ_Channel = 11;
+ else if (Configuration.IRQ_Channel12)
+ HostAdapter->IRQ_Channel = 12;
+ else if (Configuration.IRQ_Channel14)
+ HostAdapter->IRQ_Channel = 14;
+ else if (Configuration.IRQ_Channel15)
+ HostAdapter->IRQ_Channel = 15;
+ }
+ if (HostAdapter->HostAdapterBusType == BusLogic_ISA_Bus) {
+ if (Configuration.DMA_Channel5)
+ HostAdapter->DMA_Channel = 5;
+ else if (Configuration.DMA_Channel6)
+ HostAdapter->DMA_Channel = 6;
+ else if (Configuration.DMA_Channel7)
+ HostAdapter->DMA_Channel = 7;
}
- }
- /*
- Initialize fields in the Host Adapter structure for "S" and "A" series
- MultiMaster Host Adapters.
- */
- if (HostAdapter->FirmwareVersion[0] < '4')
- {
- if (SetupInformation.SynchronousInitiationEnabled)
- {
- HostAdapter->SynchronousPermitted = 0xFF;
- if (HostAdapter->HostAdapterBusType == BusLogic_EISA_Bus)
- {
- if (ExtendedSetupInformation.Misc.FastOnEISA)
- HostAdapter->FastPermitted = 0xFF;
- if (strcmp(HostAdapter->ModelName, "BT-757") == 0)
- HostAdapter->WidePermitted = 0xFF;
- }
+ /*
+ Determine whether Extended Translation is enabled and save it in
+ the Host Adapter structure.
+ */
+ GeometryRegister.All = BusLogic_ReadGeometryRegister(HostAdapter);
+ HostAdapter->ExtendedTranslationEnabled = GeometryRegister.gr.ExtendedTranslationEnabled;
+ /*
+ Save the Scatter Gather Limits, Level Sensitive Interrupt flag, Wide
+ SCSI flag, Differential SCSI flag, SCAM Supported flag, and
+ Ultra SCSI flag in the Host Adapter structure.
+ */
+ HostAdapter->HostAdapterScatterGatherLimit = ExtendedSetupInformation.ScatterGatherLimit;
+ HostAdapter->DriverScatterGatherLimit = HostAdapter->HostAdapterScatterGatherLimit;
+ if (HostAdapter->HostAdapterScatterGatherLimit > BusLogic_ScatterGatherLimit)
+ HostAdapter->DriverScatterGatherLimit = BusLogic_ScatterGatherLimit;
+ if (ExtendedSetupInformation.Misc.LevelSensitiveInterrupt)
+ HostAdapter->LevelSensitiveInterrupt = true;
+ HostAdapter->HostWideSCSI = ExtendedSetupInformation.HostWideSCSI;
+ HostAdapter->HostDifferentialSCSI = ExtendedSetupInformation.HostDifferentialSCSI;
+ HostAdapter->HostSupportsSCAM = ExtendedSetupInformation.HostSupportsSCAM;
+ HostAdapter->HostUltraSCSI = ExtendedSetupInformation.HostUltraSCSI;
+ /*
+ Determine whether Extended LUN Format CCBs are supported and save the
+ information in the Host Adapter structure.
+ */
+ if (HostAdapter->FirmwareVersion[0] == '5' || (HostAdapter->FirmwareVersion[0] == '4' && HostAdapter->HostWideSCSI))
+ HostAdapter->ExtendedLUNSupport = true;
+ /*
+ Issue the Inquire PCI Host Adapter Information command to read the
+ Termination Information from "W" series MultiMaster Host Adapters.
+ */
+ if (HostAdapter->FirmwareVersion[0] == '5') {
+ if (BusLogic_Command(HostAdapter, BusLogic_InquirePCIHostAdapterInformation, NULL, 0, &PCIHostAdapterInformation, sizeof(PCIHostAdapterInformation))
+ != sizeof(PCIHostAdapterInformation))
+ return BusLogic_Failure(HostAdapter, "INQUIRE PCI HOST ADAPTER INFORMATION");
+ /*
+ Save the Termination Information in the Host Adapter structure.
+ */
+ if (PCIHostAdapterInformation.GenericInfoValid) {
+ HostAdapter->TerminationInfoValid = true;
+ HostAdapter->LowByteTerminated = PCIHostAdapterInformation.LowByteTerminated;
+ HostAdapter->HighByteTerminated = PCIHostAdapterInformation.HighByteTerminated;
+ }
+ }
+ /*
+ Issue the Fetch Host Adapter Local RAM command to read the AutoSCSI data
+ from "W" and "C" series MultiMaster Host Adapters.
+ */
+ if (HostAdapter->FirmwareVersion[0] >= '4') {
+ FetchHostAdapterLocalRAMRequest.ByteOffset = BusLogic_AutoSCSI_BaseOffset;
+ FetchHostAdapterLocalRAMRequest.ByteCount = sizeof(AutoSCSIData);
+ if (BusLogic_Command(HostAdapter, BusLogic_FetchHostAdapterLocalRAM, &FetchHostAdapterLocalRAMRequest, sizeof(FetchHostAdapterLocalRAMRequest), &AutoSCSIData, sizeof(AutoSCSIData))
+ != sizeof(AutoSCSIData))
+ return BusLogic_Failure(HostAdapter, "FETCH HOST ADAPTER LOCAL RAM");
+ /*
+ Save the Parity Checking Enabled, Bus Reset Enabled, and Termination
+ Information in the Host Adapter structure.
+ */
+ HostAdapter->ParityCheckingEnabled = AutoSCSIData.ParityCheckingEnabled;
+ HostAdapter->BusResetEnabled = AutoSCSIData.BusResetEnabled;
+ if (HostAdapter->FirmwareVersion[0] == '4') {
+ HostAdapter->TerminationInfoValid = true;
+ HostAdapter->LowByteTerminated = AutoSCSIData.LowByteTerminated;
+ HostAdapter->HighByteTerminated = AutoSCSIData.HighByteTerminated;
+ }
+ /*
+ Save the Wide Permitted, Fast Permitted, Synchronous Permitted,
+ Disconnect Permitted, Ultra Permitted, and SCAM Information in the
+ Host Adapter structure.
+ */
+ HostAdapter->WidePermitted = AutoSCSIData.WidePermitted;
+ HostAdapter->FastPermitted = AutoSCSIData.FastPermitted;
+ HostAdapter->SynchronousPermitted = AutoSCSIData.SynchronousPermitted;
+ HostAdapter->DisconnectPermitted = AutoSCSIData.DisconnectPermitted;
+ if (HostAdapter->HostUltraSCSI)
+ HostAdapter->UltraPermitted = AutoSCSIData.UltraPermitted;
+ if (HostAdapter->HostSupportsSCAM) {
+ HostAdapter->SCAM_Enabled = AutoSCSIData.SCAM_Enabled;
+ HostAdapter->SCAM_Level2 = AutoSCSIData.SCAM_Level2;
+ }
+ }
+ /*
+ Initialize fields in the Host Adapter structure for "S" and "A" series
+ MultiMaster Host Adapters.
+ */
+ if (HostAdapter->FirmwareVersion[0] < '4') {
+ if (SetupInformation.SynchronousInitiationEnabled) {
+ HostAdapter->SynchronousPermitted = 0xFF;
+ if (HostAdapter->HostAdapterBusType == BusLogic_EISA_Bus) {
+ if (ExtendedSetupInformation.Misc.FastOnEISA)
+ HostAdapter->FastPermitted = 0xFF;
+ if (strcmp(HostAdapter->ModelName, "BT-757") == 0)
+ HostAdapter->WidePermitted = 0xFF;
+ }
+ }
+ HostAdapter->DisconnectPermitted = 0xFF;
+ HostAdapter->ParityCheckingEnabled = SetupInformation.ParityCheckingEnabled;
+ HostAdapter->BusResetEnabled = true;
+ }
+ /*
+ Determine the maximum number of Target IDs and Logical Units supported by
+ this driver for Wide and Narrow Host Adapters.
+ */
+ HostAdapter->MaxTargetDevices = (HostAdapter->HostWideSCSI ? 16 : 8);
+ HostAdapter->MaxLogicalUnits = (HostAdapter->ExtendedLUNSupport ? 32 : 8);
+ /*
+ Select appropriate values for the Mailbox Count, Driver Queue Depth,
+ Initial CCBs, and Incremental CCBs variables based on whether or not Strict
+ Round Robin Mode is supported. If Strict Round Robin Mode is supported,
+ then there is no performance degradation in using the maximum possible
+ number of Outgoing and Incoming Mailboxes and allowing the Tagged and
+ Untagged Queue Depths to determine the actual utilization. If Strict Round
+ Robin Mode is not supported, then the Host Adapter must scan all the
+ Outgoing Mailboxes whenever an Outgoing Mailbox entry is made, which can
+ cause a substantial performance penalty. The host adapters actually have
+ room to store the following number of CCBs internally; that is, they can
+ internally queue and manage this many active commands on the SCSI bus
+ simultaneously. Performance measurements demonstrate that the Driver Queue
+ Depth should be set to the Mailbox Count, rather than the Host Adapter
+ Queue Depth (internal CCB capacity), as it is more efficient to have the
+ queued commands waiting in Outgoing Mailboxes if necessary than to block
+ the process in the higher levels of the SCSI Subsystem.
+
+ 192 BT-948/958/958D
+ 100 BT-946C/956C/956CD/747C/757C/757CD/445C
+ 50 BT-545C/540CF
+ 30 BT-747S/747D/757S/757D/445S/545S/542D/542B/742A
+ */
+ if (HostAdapter->FirmwareVersion[0] == '5')
+ HostAdapter->HostAdapterQueueDepth = 192;
+ else if (HostAdapter->FirmwareVersion[0] == '4')
+ HostAdapter->HostAdapterQueueDepth = (HostAdapter->HostAdapterBusType != BusLogic_ISA_Bus ? 100 : 50);
+ else
+ HostAdapter->HostAdapterQueueDepth = 30;
+ if (strcmp(HostAdapter->FirmwareVersion, "3.31") >= 0) {
+ HostAdapter->StrictRoundRobinModeSupport = true;
+ HostAdapter->MailboxCount = BusLogic_MaxMailboxes;
+ } else {
+ HostAdapter->StrictRoundRobinModeSupport = false;
+ HostAdapter->MailboxCount = 32;
+ }
+ HostAdapter->DriverQueueDepth = HostAdapter->MailboxCount;
+ HostAdapter->InitialCCBs = 4 * BusLogic_CCB_AllocationGroupSize;
+ HostAdapter->IncrementalCCBs = BusLogic_CCB_AllocationGroupSize;
+ /*
+ Tagged Queuing support is available and operates properly on all "W" series
+ MultiMaster Host Adapters, on "C" series MultiMaster Host Adapters with
+ firmware version 4.22 and above, and on "S" series MultiMaster Host
+ Adapters with firmware version 3.35 and above.
+ */
+ HostAdapter->TaggedQueuingPermitted = 0;
+ switch (HostAdapter->FirmwareVersion[0]) {
+ case '5':
+ HostAdapter->TaggedQueuingPermitted = 0xFFFF;
+ break;
+ case '4':
+ if (strcmp(HostAdapter->FirmwareVersion, "4.22") >= 0)
+ HostAdapter->TaggedQueuingPermitted = 0xFFFF;
+ break;
+ case '3':
+ if (strcmp(HostAdapter->FirmwareVersion, "3.35") >= 0)
+ HostAdapter->TaggedQueuingPermitted = 0xFFFF;
+ break;
}
- HostAdapter->DisconnectPermitted = 0xFF;
- HostAdapter->ParityCheckingEnabled =
- SetupInformation.ParityCheckingEnabled;
- HostAdapter->BusResetEnabled = true;
- }
- /*
- Determine the maximum number of Target IDs and Logical Units supported by
- this driver for Wide and Narrow Host Adapters.
- */
- HostAdapter->MaxTargetDevices = (HostAdapter->HostWideSCSI ? 16 : 8);
- HostAdapter->MaxLogicalUnits = (HostAdapter->ExtendedLUNSupport ? 32 : 8);
- /*
- Select appropriate values for the Mailbox Count, Driver Queue Depth,
- Initial CCBs, and Incremental CCBs variables based on whether or not Strict
- Round Robin Mode is supported. If Strict Round Robin Mode is supported,
- then there is no performance degradation in using the maximum possible
- number of Outgoing and Incoming Mailboxes and allowing the Tagged and
- Untagged Queue Depths to determine the actual utilization. If Strict Round
- Robin Mode is not supported, then the Host Adapter must scan all the
- Outgoing Mailboxes whenever an Outgoing Mailbox entry is made, which can
- cause a substantial performance penalty. The host adapters actually have
- room to store the following number of CCBs internally; that is, they can
- internally queue and manage this many active commands on the SCSI bus
- simultaneously. Performance measurements demonstrate that the Driver Queue
- Depth should be set to the Mailbox Count, rather than the Host Adapter
- Queue Depth (internal CCB capacity), as it is more efficient to have the
- queued commands waiting in Outgoing Mailboxes if necessary than to block
- the process in the higher levels of the SCSI Subsystem.
-
- 192 BT-948/958/958D
- 100 BT-946C/956C/956CD/747C/757C/757CD/445C
- 50 BT-545C/540CF
- 30 BT-747S/747D/757S/757D/445S/545S/542D/542B/742A
- */
- if (HostAdapter->FirmwareVersion[0] == '5')
- HostAdapter->HostAdapterQueueDepth = 192;
- else if (HostAdapter->FirmwareVersion[0] == '4')
- HostAdapter->HostAdapterQueueDepth =
- (HostAdapter->HostAdapterBusType != BusLogic_ISA_Bus ? 100 : 50);
- else HostAdapter->HostAdapterQueueDepth = 30;
- if (strcmp(HostAdapter->FirmwareVersion, "3.31") >= 0)
- {
- HostAdapter->StrictRoundRobinModeSupport = true;
- HostAdapter->MailboxCount = BusLogic_MaxMailboxes;
- }
- else
- {
- HostAdapter->StrictRoundRobinModeSupport = false;
- HostAdapter->MailboxCount = 32;
- }
- HostAdapter->DriverQueueDepth = HostAdapter->MailboxCount;
- HostAdapter->InitialCCBs = 4 * BusLogic_CCB_AllocationGroupSize;
- HostAdapter->IncrementalCCBs = BusLogic_CCB_AllocationGroupSize;
- /*
- Tagged Queuing support is available and operates properly on all "W" series
- MultiMaster Host Adapters, on "C" series MultiMaster Host Adapters with
- firmware version 4.22 and above, and on "S" series MultiMaster Host
- Adapters with firmware version 3.35 and above.
- */
- HostAdapter->TaggedQueuingPermitted = 0;
- switch (HostAdapter->FirmwareVersion[0])
- {
- case '5':
- HostAdapter->TaggedQueuingPermitted = 0xFFFF;
- break;
- case '4':
- if (strcmp(HostAdapter->FirmwareVersion, "4.22") >= 0)
- HostAdapter->TaggedQueuingPermitted = 0xFFFF;
- break;
- case '3':
- if (strcmp(HostAdapter->FirmwareVersion, "3.35") >= 0)
- HostAdapter->TaggedQueuingPermitted = 0xFFFF;
- break;
- }
- /*
- Determine the Host Adapter BIOS Address if the BIOS is enabled and
- save it in the Host Adapter structure. The BIOS is disabled if the
- BIOS_Address is 0.
- */
- HostAdapter->BIOS_Address = ExtendedSetupInformation.BIOS_Address << 12;
- /*
- ISA Host Adapters require Bounce Buffers if there is more than 16MB memory.
- */
- if (HostAdapter->HostAdapterBusType == BusLogic_ISA_Bus &&
- (void *) high_memory > (void *) MAX_DMA_ADDRESS)
- HostAdapter->BounceBuffersRequired = true;
- /*
- BusLogic BT-445S Host Adapters prior to board revision E have a hardware
- bug whereby when the BIOS is enabled, transfers to/from the same address
- range the BIOS occupies modulo 16MB are handled incorrectly. Only properly
- functioning BT-445S Host Adapters have firmware version 3.37, so require
- that ISA Bounce Buffers be used for the buggy BT-445S models if there is
- more than 16MB memory.
- */
- if (HostAdapter->BIOS_Address > 0 &&
- strcmp(HostAdapter->ModelName, "BT-445S") == 0 &&
- strcmp(HostAdapter->FirmwareVersion, "3.37") < 0 &&
- (void *) high_memory > (void *) MAX_DMA_ADDRESS)
- HostAdapter->BounceBuffersRequired = true;
- /*
- Initialize parameters common to MultiMaster and FlashPoint Host Adapters.
- */
-Common:
- /*
- Initialize the Host Adapter Full Model Name from the Model Name.
- */
- strcpy(HostAdapter->FullModelName, "BusLogic ");
- strcat(HostAdapter->FullModelName, HostAdapter->ModelName);
- /*
- Select an appropriate value for the Tagged Queue Depth either from a
- BusLogic Driver Options specification, or based on whether this Host
- Adapter requires that ISA Bounce Buffers be used. The Tagged Queue Depth
- is left at 0 for automatic determination in BusLogic_SelectQueueDepths.
- Initialize the Untagged Queue Depth.
- */
- for (TargetID = 0; TargetID < BusLogic_MaxTargetDevices; TargetID++)
- {
- unsigned char QueueDepth = 0;
- if (HostAdapter->DriverOptions != NULL &&
- HostAdapter->DriverOptions->QueueDepth[TargetID] > 0)
- QueueDepth = HostAdapter->DriverOptions->QueueDepth[TargetID];
- else if (HostAdapter->BounceBuffersRequired)
- QueueDepth = BusLogic_TaggedQueueDepthBB;
- HostAdapter->QueueDepth[TargetID] = QueueDepth;
- }
- if (HostAdapter->BounceBuffersRequired)
- HostAdapter->UntaggedQueueDepth = BusLogic_UntaggedQueueDepthBB;
- else HostAdapter->UntaggedQueueDepth = BusLogic_UntaggedQueueDepth;
- if (HostAdapter->DriverOptions != NULL)
- HostAdapter->CommonQueueDepth =
- HostAdapter->DriverOptions->CommonQueueDepth;
- if (HostAdapter->CommonQueueDepth > 0 &&
- HostAdapter->CommonQueueDepth < HostAdapter->UntaggedQueueDepth)
- HostAdapter->UntaggedQueueDepth = HostAdapter->CommonQueueDepth;
- /*
- Tagged Queuing is only allowed if Disconnect/Reconnect is permitted.
- Therefore, mask the Tagged Queuing Permitted Default bits with the
- Disconnect/Reconnect Permitted bits.
- */
- HostAdapter->TaggedQueuingPermitted &= HostAdapter->DisconnectPermitted;
- /*
- Combine the default Tagged Queuing Permitted bits with any BusLogic Driver
- Options Tagged Queuing specification.
- */
- if (HostAdapter->DriverOptions != NULL)
- HostAdapter->TaggedQueuingPermitted =
- (HostAdapter->DriverOptions->TaggedQueuingPermitted &
- HostAdapter->DriverOptions->TaggedQueuingPermittedMask) |
- (HostAdapter->TaggedQueuingPermitted &
- ~HostAdapter->DriverOptions->TaggedQueuingPermittedMask);
-
- /*
- Select an appropriate value for Bus Settle Time either from a BusLogic
- Driver Options specification, or from BusLogic_DefaultBusSettleTime.
- */
- if (HostAdapter->DriverOptions != NULL &&
- HostAdapter->DriverOptions->BusSettleTime > 0)
- HostAdapter->BusSettleTime = HostAdapter->DriverOptions->BusSettleTime;
- else HostAdapter->BusSettleTime = BusLogic_DefaultBusSettleTime;
- /*
- Indicate reading the Host Adapter Configuration completed successfully.
- */
- return true;
+ /*
+ Determine the Host Adapter BIOS Address if the BIOS is enabled and
+ save it in the Host Adapter structure. The BIOS is disabled if the
+ BIOS_Address is 0.
+ */
+ HostAdapter->BIOS_Address = ExtendedSetupInformation.BIOS_Address << 12;
+ /*
+ ISA Host Adapters require Bounce Buffers if there is more than 16MB memory.
+ */
+ if (HostAdapter->HostAdapterBusType == BusLogic_ISA_Bus && (void *) high_memory > (void *) MAX_DMA_ADDRESS)
+ HostAdapter->BounceBuffersRequired = true;
+ /*
+ BusLogic BT-445S Host Adapters prior to board revision E have a hardware
+ bug whereby when the BIOS is enabled, transfers to/from the same address
+ range the BIOS occupies modulo 16MB are handled incorrectly. Only properly
+ functioning BT-445S Host Adapters have firmware version 3.37, so require
+ that ISA Bounce Buffers be used for the buggy BT-445S models if there is
+ more than 16MB memory.
+ */
+ if (HostAdapter->BIOS_Address > 0 && strcmp(HostAdapter->ModelName, "BT-445S") == 0 && strcmp(HostAdapter->FirmwareVersion, "3.37") < 0 && (void *) high_memory > (void *) MAX_DMA_ADDRESS)
+ HostAdapter->BounceBuffersRequired = true;
+ /*
+ Initialize parameters common to MultiMaster and FlashPoint Host Adapters.
+ */
+ Common:
+ /*
+ Initialize the Host Adapter Full Model Name from the Model Name.
+ */
+ strcpy(HostAdapter->FullModelName, "BusLogic ");
+ strcat(HostAdapter->FullModelName, HostAdapter->ModelName);
+ /*
+ Select an appropriate value for the Tagged Queue Depth either from a
+ BusLogic Driver Options specification, or based on whether this Host
+ Adapter requires that ISA Bounce Buffers be used. The Tagged Queue Depth
+ is left at 0 for automatic determination in BusLogic_SelectQueueDepths.
+ Initialize the Untagged Queue Depth.
+ */
+ for (TargetID = 0; TargetID < BusLogic_MaxTargetDevices; TargetID++) {
+ unsigned char QueueDepth = 0;
+ if (HostAdapter->DriverOptions != NULL && HostAdapter->DriverOptions->QueueDepth[TargetID] > 0)
+ QueueDepth = HostAdapter->DriverOptions->QueueDepth[TargetID];
+ else if (HostAdapter->BounceBuffersRequired)
+ QueueDepth = BusLogic_TaggedQueueDepthBB;
+ HostAdapter->QueueDepth[TargetID] = QueueDepth;
+ }
+ if (HostAdapter->BounceBuffersRequired)
+ HostAdapter->UntaggedQueueDepth = BusLogic_UntaggedQueueDepthBB;
+ else
+ HostAdapter->UntaggedQueueDepth = BusLogic_UntaggedQueueDepth;
+ if (HostAdapter->DriverOptions != NULL)
+ HostAdapter->CommonQueueDepth = HostAdapter->DriverOptions->CommonQueueDepth;
+ if (HostAdapter->CommonQueueDepth > 0 && HostAdapter->CommonQueueDepth < HostAdapter->UntaggedQueueDepth)
+ HostAdapter->UntaggedQueueDepth = HostAdapter->CommonQueueDepth;
+ /*
+ Tagged Queuing is only allowed if Disconnect/Reconnect is permitted.
+ Therefore, mask the Tagged Queuing Permitted Default bits with the
+ Disconnect/Reconnect Permitted bits.
+ */
+ HostAdapter->TaggedQueuingPermitted &= HostAdapter->DisconnectPermitted;
+ /*
+ Combine the default Tagged Queuing Permitted bits with any BusLogic Driver
+ Options Tagged Queuing specification.
+ */
+ if (HostAdapter->DriverOptions != NULL)
+ HostAdapter->TaggedQueuingPermitted =
+ (HostAdapter->DriverOptions->TaggedQueuingPermitted & HostAdapter->DriverOptions->TaggedQueuingPermittedMask) | (HostAdapter->TaggedQueuingPermitted & ~HostAdapter->DriverOptions->TaggedQueuingPermittedMask);
+
+ /*
+ Select an appropriate value for Bus Settle Time either from a BusLogic
+ Driver Options specification, or from BusLogic_DefaultBusSettleTime.
+ */
+ if (HostAdapter->DriverOptions != NULL && HostAdapter->DriverOptions->BusSettleTime > 0)
+ HostAdapter->BusSettleTime = HostAdapter->DriverOptions->BusSettleTime;
+ else
+ HostAdapter->BusSettleTime = BusLogic_DefaultBusSettleTime;
+ /*
+ Indicate reading the Host Adapter Configuration completed successfully.
+ */
+ return true;
}
static boolean __init BusLogic_ReportHostAdapterConfiguration(struct BusLogic_HostAdapter
*HostAdapter)
{
- unsigned short AllTargetsMask = (1 << HostAdapter->MaxTargetDevices) - 1;
- unsigned short SynchronousPermitted, FastPermitted;
- unsigned short UltraPermitted, WidePermitted;
- unsigned short DisconnectPermitted, TaggedQueuingPermitted;
- boolean CommonSynchronousNegotiation, CommonTaggedQueueDepth;
- char SynchronousString[BusLogic_MaxTargetDevices+1];
- char WideString[BusLogic_MaxTargetDevices+1];
- char DisconnectString[BusLogic_MaxTargetDevices+1];
- char TaggedQueuingString[BusLogic_MaxTargetDevices+1];
- char *SynchronousMessage = SynchronousString;
- char *WideMessage = WideString;
- char *DisconnectMessage = DisconnectString;
- char *TaggedQueuingMessage = TaggedQueuingString;
- int TargetID;
- BusLogic_Info("Configuring BusLogic Model %s %s%s%s%s SCSI Host Adapter\n",
- HostAdapter, HostAdapter->ModelName,
- BusLogic_HostAdapterBusNames[HostAdapter->HostAdapterBusType],
- (HostAdapter->HostWideSCSI ? " Wide" : ""),
- (HostAdapter->HostDifferentialSCSI ? " Differential" : ""),
- (HostAdapter->HostUltraSCSI ? " Ultra" : ""));
- BusLogic_Info(" Firmware Version: %s, I/O Address: 0x%X, "
- "IRQ Channel: %d/%s\n", HostAdapter,
- HostAdapter->FirmwareVersion,
- HostAdapter->IO_Address, HostAdapter->IRQ_Channel,
- (HostAdapter->LevelSensitiveInterrupt ? "Level" : "Edge"));
- if (HostAdapter->HostAdapterBusType != BusLogic_PCI_Bus)
- {
- BusLogic_Info(" DMA Channel: ", HostAdapter);
- if (HostAdapter->DMA_Channel > 0)
- BusLogic_Info("%d, ", HostAdapter, HostAdapter->DMA_Channel);
- else BusLogic_Info("None, ", HostAdapter);
- if (HostAdapter->BIOS_Address > 0)
- BusLogic_Info("BIOS Address: 0x%X, ", HostAdapter,
- HostAdapter->BIOS_Address);
- else BusLogic_Info("BIOS Address: None, ", HostAdapter);
- }
- else
- {
- BusLogic_Info(" PCI Bus: %d, Device: %d, Address: ",
- HostAdapter, HostAdapter->Bus, HostAdapter->Device);
- if (HostAdapter->PCI_Address > 0)
- BusLogic_Info("0x%X, ", HostAdapter, HostAdapter->PCI_Address);
- else BusLogic_Info("Unassigned, ", HostAdapter);
- }
- BusLogic_Info("Host Adapter SCSI ID: %d\n", HostAdapter,
- HostAdapter->SCSI_ID);
- BusLogic_Info(" Parity Checking: %s, Extended Translation: %s\n",
- HostAdapter,
- (HostAdapter->ParityCheckingEnabled
- ? "Enabled" : "Disabled"),
- (HostAdapter->ExtendedTranslationEnabled
- ? "Enabled" : "Disabled"));
- AllTargetsMask &= ~(1 << HostAdapter->SCSI_ID);
- SynchronousPermitted = HostAdapter->SynchronousPermitted & AllTargetsMask;
- FastPermitted = HostAdapter->FastPermitted & AllTargetsMask;
- UltraPermitted = HostAdapter->UltraPermitted & AllTargetsMask;
- if ((BusLogic_MultiMasterHostAdapterP(HostAdapter) &&
- (HostAdapter->FirmwareVersion[0] >= '4' ||
- HostAdapter->HostAdapterBusType == BusLogic_EISA_Bus)) ||
- BusLogic_FlashPointHostAdapterP(HostAdapter))
- {
- CommonSynchronousNegotiation = false;
- if (SynchronousPermitted == 0)
- {
- SynchronousMessage = "Disabled";
- CommonSynchronousNegotiation = true;
- }
- else if (SynchronousPermitted == AllTargetsMask)
- {
- if (FastPermitted == 0)
- {
- SynchronousMessage = "Slow";
- CommonSynchronousNegotiation = true;
- }
- else if (FastPermitted == AllTargetsMask)
- {
- if (UltraPermitted == 0)
- {
- SynchronousMessage = "Fast";
- CommonSynchronousNegotiation = true;
+ unsigned short AllTargetsMask = (1 << HostAdapter->MaxTargetDevices) - 1;
+ unsigned short SynchronousPermitted, FastPermitted;
+ unsigned short UltraPermitted, WidePermitted;
+ unsigned short DisconnectPermitted, TaggedQueuingPermitted;
+ boolean CommonSynchronousNegotiation, CommonTaggedQueueDepth;
+ char SynchronousString[BusLogic_MaxTargetDevices + 1];
+ char WideString[BusLogic_MaxTargetDevices + 1];
+ char DisconnectString[BusLogic_MaxTargetDevices + 1];
+ char TaggedQueuingString[BusLogic_MaxTargetDevices + 1];
+ char *SynchronousMessage = SynchronousString;
+ char *WideMessage = WideString;
+ char *DisconnectMessage = DisconnectString;
+ char *TaggedQueuingMessage = TaggedQueuingString;
+ int TargetID;
+ BusLogic_Info("Configuring BusLogic Model %s %s%s%s%s SCSI Host Adapter\n",
+ HostAdapter, HostAdapter->ModelName,
+ BusLogic_HostAdapterBusNames[HostAdapter->HostAdapterBusType], (HostAdapter->HostWideSCSI ? " Wide" : ""), (HostAdapter->HostDifferentialSCSI ? " Differential" : ""), (HostAdapter->HostUltraSCSI ? " Ultra" : ""));
+ BusLogic_Info(" Firmware Version: %s, I/O Address: 0x%X, " "IRQ Channel: %d/%s\n", HostAdapter, HostAdapter->FirmwareVersion, HostAdapter->IO_Address, HostAdapter->IRQ_Channel, (HostAdapter->LevelSensitiveInterrupt ? "Level" : "Edge"));
+ if (HostAdapter->HostAdapterBusType != BusLogic_PCI_Bus) {
+ BusLogic_Info(" DMA Channel: ", HostAdapter);
+ if (HostAdapter->DMA_Channel > 0)
+ BusLogic_Info("%d, ", HostAdapter, HostAdapter->DMA_Channel);
+ else
+ BusLogic_Info("None, ", HostAdapter);
+ if (HostAdapter->BIOS_Address > 0)
+ BusLogic_Info("BIOS Address: 0x%X, ", HostAdapter, HostAdapter->BIOS_Address);
+ else
+ BusLogic_Info("BIOS Address: None, ", HostAdapter);
+ } else {
+ BusLogic_Info(" PCI Bus: %d, Device: %d, Address: ", HostAdapter, HostAdapter->Bus, HostAdapter->Device);
+ if (HostAdapter->PCI_Address > 0)
+ BusLogic_Info("0x%X, ", HostAdapter, HostAdapter->PCI_Address);
+ else
+ BusLogic_Info("Unassigned, ", HostAdapter);
+ }
+ BusLogic_Info("Host Adapter SCSI ID: %d\n", HostAdapter, HostAdapter->SCSI_ID);
+ BusLogic_Info(" Parity Checking: %s, Extended Translation: %s\n", HostAdapter, (HostAdapter->ParityCheckingEnabled ? "Enabled" : "Disabled"), (HostAdapter->ExtendedTranslationEnabled ? "Enabled" : "Disabled"));
+ AllTargetsMask &= ~(1 << HostAdapter->SCSI_ID);
+ SynchronousPermitted = HostAdapter->SynchronousPermitted & AllTargetsMask;
+ FastPermitted = HostAdapter->FastPermitted & AllTargetsMask;
+ UltraPermitted = HostAdapter->UltraPermitted & AllTargetsMask;
+ if ((BusLogic_MultiMasterHostAdapterP(HostAdapter) && (HostAdapter->FirmwareVersion[0] >= '4' || HostAdapter->HostAdapterBusType == BusLogic_EISA_Bus)) || BusLogic_FlashPointHostAdapterP(HostAdapter)) {
+ CommonSynchronousNegotiation = false;
+ if (SynchronousPermitted == 0) {
+ SynchronousMessage = "Disabled";
+ CommonSynchronousNegotiation = true;
+ } else if (SynchronousPermitted == AllTargetsMask) {
+ if (FastPermitted == 0) {
+ SynchronousMessage = "Slow";
+ CommonSynchronousNegotiation = true;
+ } else if (FastPermitted == AllTargetsMask) {
+ if (UltraPermitted == 0) {
+ SynchronousMessage = "Fast";
+ CommonSynchronousNegotiation = true;
+ } else if (UltraPermitted == AllTargetsMask) {
+ SynchronousMessage = "Ultra";
+ CommonSynchronousNegotiation = true;
+ }
+ }
}
- else if (UltraPermitted == AllTargetsMask)
- {
- SynchronousMessage = "Ultra";
- CommonSynchronousNegotiation = true;
+ if (!CommonSynchronousNegotiation) {
+ for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
+ SynchronousString[TargetID] = ((!(SynchronousPermitted & (1 << TargetID))) ? 'N' : (!(FastPermitted & (1 << TargetID)) ? 'S' : (!(UltraPermitted & (1 << TargetID)) ? 'F' : 'U')));
+ SynchronousString[HostAdapter->SCSI_ID] = '#';
+ SynchronousString[HostAdapter->MaxTargetDevices] = '\0';
}
- }
- }
- if (!CommonSynchronousNegotiation)
- {
- for (TargetID = 0;
- TargetID < HostAdapter->MaxTargetDevices;
- TargetID++)
- SynchronousString[TargetID] =
- ((!(SynchronousPermitted & (1 << TargetID))) ? 'N' :
- (!(FastPermitted & (1 << TargetID)) ? 'S' :
- (!(UltraPermitted & (1 << TargetID)) ? 'F' : 'U')));
- SynchronousString[HostAdapter->SCSI_ID] = '#';
- SynchronousString[HostAdapter->MaxTargetDevices] = '\0';
+ } else
+ SynchronousMessage = (SynchronousPermitted == 0 ? "Disabled" : "Enabled");
+ WidePermitted = HostAdapter->WidePermitted & AllTargetsMask;
+ if (WidePermitted == 0)
+ WideMessage = "Disabled";
+ else if (WidePermitted == AllTargetsMask)
+ WideMessage = "Enabled";
+ else {
+ for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
+ WideString[TargetID] = ((WidePermitted & (1 << TargetID)) ? 'Y' : 'N');
+ WideString[HostAdapter->SCSI_ID] = '#';
+ WideString[HostAdapter->MaxTargetDevices] = '\0';
+ }
+ DisconnectPermitted = HostAdapter->DisconnectPermitted & AllTargetsMask;
+ if (DisconnectPermitted == 0)
+ DisconnectMessage = "Disabled";
+ else if (DisconnectPermitted == AllTargetsMask)
+ DisconnectMessage = "Enabled";
+ else {
+ for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
+ DisconnectString[TargetID] = ((DisconnectPermitted & (1 << TargetID)) ? 'Y' : 'N');
+ DisconnectString[HostAdapter->SCSI_ID] = '#';
+ DisconnectString[HostAdapter->MaxTargetDevices] = '\0';
+ }
+ TaggedQueuingPermitted = HostAdapter->TaggedQueuingPermitted & AllTargetsMask;
+ if (TaggedQueuingPermitted == 0)
+ TaggedQueuingMessage = "Disabled";
+ else if (TaggedQueuingPermitted == AllTargetsMask)
+ TaggedQueuingMessage = "Enabled";
+ else {
+ for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
+ TaggedQueuingString[TargetID] = ((TaggedQueuingPermitted & (1 << TargetID)) ? 'Y' : 'N');
+ TaggedQueuingString[HostAdapter->SCSI_ID] = '#';
+ TaggedQueuingString[HostAdapter->MaxTargetDevices] = '\0';
+ }
+ BusLogic_Info(" Synchronous Negotiation: %s, Wide Negotiation: %s\n", HostAdapter, SynchronousMessage, WideMessage);
+ BusLogic_Info(" Disconnect/Reconnect: %s, Tagged Queuing: %s\n", HostAdapter, DisconnectMessage, TaggedQueuingMessage);
+ if (BusLogic_MultiMasterHostAdapterP(HostAdapter)) {
+ BusLogic_Info(" Scatter/Gather Limit: %d of %d segments, " "Mailboxes: %d\n", HostAdapter, HostAdapter->DriverScatterGatherLimit, HostAdapter->HostAdapterScatterGatherLimit, HostAdapter->MailboxCount);
+ BusLogic_Info(" Driver Queue Depth: %d, " "Host Adapter Queue Depth: %d\n", HostAdapter, HostAdapter->DriverQueueDepth, HostAdapter->HostAdapterQueueDepth);
+ } else
+ BusLogic_Info(" Driver Queue Depth: %d, " "Scatter/Gather Limit: %d segments\n", HostAdapter, HostAdapter->DriverQueueDepth, HostAdapter->DriverScatterGatherLimit);
+ BusLogic_Info(" Tagged Queue Depth: ", HostAdapter);
+ CommonTaggedQueueDepth = true;
+ for (TargetID = 1; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
+ if (HostAdapter->QueueDepth[TargetID] != HostAdapter->QueueDepth[0]) {
+ CommonTaggedQueueDepth = false;
+ break;
+ }
+ if (CommonTaggedQueueDepth) {
+ if (HostAdapter->QueueDepth[0] > 0)
+ BusLogic_Info("%d", HostAdapter, HostAdapter->QueueDepth[0]);
+ else
+ BusLogic_Info("Automatic", HostAdapter);
+ } else
+ BusLogic_Info("Individual", HostAdapter);
+ BusLogic_Info(", Untagged Queue Depth: %d\n", HostAdapter, HostAdapter->UntaggedQueueDepth);
+ if (HostAdapter->TerminationInfoValid) {
+ if (HostAdapter->HostWideSCSI)
+ BusLogic_Info(" SCSI Bus Termination: %s", HostAdapter, (HostAdapter->LowByteTerminated ? (HostAdapter->HighByteTerminated ? "Both Enabled" : "Low Enabled")
+ : (HostAdapter->HighByteTerminated ? "High Enabled" : "Both Disabled")));
+ else
+ BusLogic_Info(" SCSI Bus Termination: %s", HostAdapter, (HostAdapter->LowByteTerminated ? "Enabled" : "Disabled"));
+ if (HostAdapter->HostSupportsSCAM)
+ BusLogic_Info(", SCAM: %s", HostAdapter, (HostAdapter->SCAM_Enabled ? (HostAdapter->SCAM_Level2 ? "Enabled, Level 2" : "Enabled, Level 1")
+ : "Disabled"));
+ BusLogic_Info("\n", HostAdapter);
}
- }
- else SynchronousMessage =
- (SynchronousPermitted == 0 ? "Disabled" : "Enabled");
- WidePermitted = HostAdapter->WidePermitted & AllTargetsMask;
- if (WidePermitted == 0)
- WideMessage = "Disabled";
- else if (WidePermitted == AllTargetsMask)
- WideMessage = "Enabled";
- else
- {
- for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
- WideString[TargetID] =
- ((WidePermitted & (1 << TargetID)) ? 'Y' : 'N');
- WideString[HostAdapter->SCSI_ID] = '#';
- WideString[HostAdapter->MaxTargetDevices] = '\0';
- }
- DisconnectPermitted = HostAdapter->DisconnectPermitted & AllTargetsMask;
- if (DisconnectPermitted == 0)
- DisconnectMessage = "Disabled";
- else if (DisconnectPermitted == AllTargetsMask)
- DisconnectMessage = "Enabled";
- else
- {
- for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
- DisconnectString[TargetID] =
- ((DisconnectPermitted & (1 << TargetID)) ? 'Y' : 'N');
- DisconnectString[HostAdapter->SCSI_ID] = '#';
- DisconnectString[HostAdapter->MaxTargetDevices] = '\0';
- }
- TaggedQueuingPermitted =
- HostAdapter->TaggedQueuingPermitted & AllTargetsMask;
- if (TaggedQueuingPermitted == 0)
- TaggedQueuingMessage = "Disabled";
- else if (TaggedQueuingPermitted == AllTargetsMask)
- TaggedQueuingMessage = "Enabled";
- else
- {
- for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
- TaggedQueuingString[TargetID] =
- ((TaggedQueuingPermitted & (1 << TargetID)) ? 'Y' : 'N');
- TaggedQueuingString[HostAdapter->SCSI_ID] = '#';
- TaggedQueuingString[HostAdapter->MaxTargetDevices] = '\0';
- }
- BusLogic_Info(" Synchronous Negotiation: %s, Wide Negotiation: %s\n",
- HostAdapter, SynchronousMessage, WideMessage);
- BusLogic_Info(" Disconnect/Reconnect: %s, Tagged Queuing: %s\n",
- HostAdapter, DisconnectMessage, TaggedQueuingMessage);
- if (BusLogic_MultiMasterHostAdapterP(HostAdapter))
- {
- BusLogic_Info(" Scatter/Gather Limit: %d of %d segments, "
- "Mailboxes: %d\n", HostAdapter,
- HostAdapter->DriverScatterGatherLimit,
- HostAdapter->HostAdapterScatterGatherLimit,
- HostAdapter->MailboxCount);
- BusLogic_Info(" Driver Queue Depth: %d, "
- "Host Adapter Queue Depth: %d\n",
- HostAdapter, HostAdapter->DriverQueueDepth,
- HostAdapter->HostAdapterQueueDepth);
- }
- else BusLogic_Info(" Driver Queue Depth: %d, "
- "Scatter/Gather Limit: %d segments\n",
- HostAdapter, HostAdapter->DriverQueueDepth,
- HostAdapter->DriverScatterGatherLimit);
- BusLogic_Info(" Tagged Queue Depth: ", HostAdapter);
- CommonTaggedQueueDepth = true;
- for (TargetID = 1; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
- if (HostAdapter->QueueDepth[TargetID] != HostAdapter->QueueDepth[0])
- {
- CommonTaggedQueueDepth = false;
- break;
- }
- if (CommonTaggedQueueDepth)
- {
- if (HostAdapter->QueueDepth[0] > 0)
- BusLogic_Info("%d", HostAdapter, HostAdapter->QueueDepth[0]);
- else BusLogic_Info("Automatic", HostAdapter);
- }
- else BusLogic_Info("Individual", HostAdapter);
- BusLogic_Info(", Untagged Queue Depth: %d\n", HostAdapter,
- HostAdapter->UntaggedQueueDepth);
- if (HostAdapter->TerminationInfoValid)
- {
- if (HostAdapter->HostWideSCSI)
- BusLogic_Info(" SCSI Bus Termination: %s", HostAdapter,
- (HostAdapter->LowByteTerminated
- ? (HostAdapter->HighByteTerminated
- ? "Both Enabled" : "Low Enabled")
- : (HostAdapter->HighByteTerminated
- ? "High Enabled" : "Both Disabled")));
- else BusLogic_Info(" SCSI Bus Termination: %s", HostAdapter,
- (HostAdapter->LowByteTerminated ?
- "Enabled" : "Disabled"));
- if (HostAdapter->HostSupportsSCAM)
- BusLogic_Info(", SCAM: %s", HostAdapter,
- (HostAdapter->SCAM_Enabled
- ? (HostAdapter->SCAM_Level2
- ? "Enabled, Level 2" : "Enabled, Level 1")
- : "Disabled"));
- BusLogic_Info("\n", HostAdapter);
- }
- /*
- Indicate reporting the Host Adapter configuration completed successfully.
- */
- return true;
+ /*
+ Indicate reporting the Host Adapter configuration completed successfully.
+ */
+ return true;
}
static boolean __init BusLogic_AcquireResources(struct BusLogic_HostAdapter *HostAdapter)
{
- if (HostAdapter->IRQ_Channel == 0)
- {
- BusLogic_Error("NO LEGAL INTERRUPT CHANNEL ASSIGNED - DETACHING\n",
- HostAdapter);
- return false;
- }
- /*
- Acquire shared access to the IRQ Channel.
- */
- if (request_irq(HostAdapter->IRQ_Channel, BusLogic_InterruptHandler,
- SA_SHIRQ, HostAdapter->FullModelName, HostAdapter) < 0)
- {
- BusLogic_Error("UNABLE TO ACQUIRE IRQ CHANNEL %d - DETACHING\n",
- HostAdapter, HostAdapter->IRQ_Channel);
- return false;
- }
- HostAdapter->IRQ_ChannelAcquired = true;
- /*
- Acquire exclusive access to the DMA Channel.
- */
- if (HostAdapter->DMA_Channel > 0)
- {
- if (request_dma(HostAdapter->DMA_Channel,
- HostAdapter->FullModelName) < 0)
- {
- BusLogic_Error("UNABLE TO ACQUIRE DMA CHANNEL %d - DETACHING\n",
- HostAdapter, HostAdapter->DMA_Channel);
- return false;
+ if (HostAdapter->IRQ_Channel == 0) {
+ BusLogic_Error("NO LEGAL INTERRUPT CHANNEL ASSIGNED - DETACHING\n", HostAdapter);
+ return false;
}
- set_dma_mode(HostAdapter->DMA_Channel, DMA_MODE_CASCADE);
- enable_dma(HostAdapter->DMA_Channel);
- HostAdapter->DMA_ChannelAcquired = true;
- }
- /*
- Indicate the System Resource Acquisition completed successfully,
- */
- return true;
+ /*
+ Acquire shared access to the IRQ Channel.
+ */
+ if (request_irq(HostAdapter->IRQ_Channel, BusLogic_InterruptHandler, SA_SHIRQ, HostAdapter->FullModelName, HostAdapter) < 0) {
+ BusLogic_Error("UNABLE TO ACQUIRE IRQ CHANNEL %d - DETACHING\n", HostAdapter, HostAdapter->IRQ_Channel);
+ return false;
+ }
+ HostAdapter->IRQ_ChannelAcquired = true;
+ /*
+ Acquire exclusive access to the DMA Channel.
+ */
+ if (HostAdapter->DMA_Channel > 0) {
+ if (request_dma(HostAdapter->DMA_Channel, HostAdapter->FullModelName) < 0) {
+ BusLogic_Error("UNABLE TO ACQUIRE DMA CHANNEL %d - DETACHING\n", HostAdapter, HostAdapter->DMA_Channel);
+ return false;
+ }
+ set_dma_mode(HostAdapter->DMA_Channel, DMA_MODE_CASCADE);
+ enable_dma(HostAdapter->DMA_Channel);
+ HostAdapter->DMA_ChannelAcquired = true;
+ }
+ /*
+ Indicate the System Resource Acquisition completed successfully,
+ */
+ return true;
}
static void BusLogic_ReleaseResources(struct BusLogic_HostAdapter *HostAdapter)
{
- /*
- Release shared access to the IRQ Channel.
- */
- if (HostAdapter->IRQ_ChannelAcquired)
- free_irq(HostAdapter->IRQ_Channel, HostAdapter);
- /*
- Release exclusive access to the DMA Channel.
- */
- if (HostAdapter->DMA_ChannelAcquired)
- free_dma(HostAdapter->DMA_Channel);
- /*
- Release any allocated memory structs not released elsewhere
- */
- if (HostAdapter->MailboxSpace)
- pci_free_consistent(HostAdapter->PCI_Device, HostAdapter->MailboxSize,
- HostAdapter->MailboxSpace,
- HostAdapter->MailboxSpaceHandle);
- HostAdapter->MailboxSpace = NULL;
- HostAdapter->MailboxSpaceHandle = 0;
- HostAdapter->MailboxSize = 0;
+ /*
+ Release shared access to the IRQ Channel.
+ */
+ if (HostAdapter->IRQ_ChannelAcquired)
+ free_irq(HostAdapter->IRQ_Channel, HostAdapter);
+ /*
+ Release exclusive access to the DMA Channel.
+ */
+ if (HostAdapter->DMA_ChannelAcquired)
+ free_dma(HostAdapter->DMA_Channel);
+ /*
+ Release any allocated memory structs not released elsewhere
+ */
+ if (HostAdapter->MailboxSpace)
+ pci_free_consistent(HostAdapter->PCI_Device, HostAdapter->MailboxSize, HostAdapter->MailboxSpace, HostAdapter->MailboxSpaceHandle);
+ HostAdapter->MailboxSpace = NULL;
+ HostAdapter->MailboxSpaceHandle = 0;
+ HostAdapter->MailboxSize = 0;
}
static boolean BusLogic_InitializeHostAdapter(struct BusLogic_HostAdapter
*HostAdapter)
{
- struct BusLogic_ExtendedMailboxRequest ExtendedMailboxRequest;
- enum BusLogic_RoundRobinModeRequest RoundRobinModeRequest;
- enum BusLogic_SetCCBFormatRequest SetCCBFormatRequest;
- int TargetID;
- /*
- Initialize the pointers to the first and last CCBs that are queued for
- completion processing.
- */
- HostAdapter->FirstCompletedCCB = NULL;
- HostAdapter->LastCompletedCCB = NULL;
- /*
- Initialize the Bus Device Reset Pending CCB, Tagged Queuing Active,
- Command Successful Flag, Active Commands, and Commands Since Reset
- for each Target Device.
- */
- for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
- {
- HostAdapter->BusDeviceResetPendingCCB[TargetID] = NULL;
- HostAdapter->TargetFlags[TargetID].TaggedQueuingActive = false;
- HostAdapter->TargetFlags[TargetID].CommandSuccessfulFlag = false;
- HostAdapter->ActiveCommands[TargetID] = 0;
- HostAdapter->CommandsSinceReset[TargetID] = 0;
- }
- /*
- FlashPoint Host Adapters do not use Outgoing and Incoming Mailboxes.
- */
- if (BusLogic_FlashPointHostAdapterP(HostAdapter)) goto Done;
- /*
- Initialize the Outgoing and Incoming Mailbox pointers.
- */
- HostAdapter->MailboxSize = HostAdapter->MailboxCount *
- (sizeof(struct BusLogic_OutgoingMailbox) + sizeof(struct BusLogic_IncomingMailbox));
- HostAdapter->MailboxSpace = pci_alloc_consistent(HostAdapter->PCI_Device,
- HostAdapter->MailboxSize, &HostAdapter->MailboxSpaceHandle);
- if (HostAdapter->MailboxSpace == NULL)
- return BusLogic_Failure(HostAdapter, "MAILBOX ALLOCATION");
- HostAdapter->FirstOutgoingMailbox =
- (struct BusLogic_OutgoingMailbox *) HostAdapter->MailboxSpace;
- HostAdapter->LastOutgoingMailbox =
- HostAdapter->FirstOutgoingMailbox + HostAdapter->MailboxCount - 1;
- HostAdapter->NextOutgoingMailbox = HostAdapter->FirstOutgoingMailbox;
- HostAdapter->FirstIncomingMailbox =
- (struct BusLogic_IncomingMailbox *) (HostAdapter->LastOutgoingMailbox + 1);
- HostAdapter->LastIncomingMailbox =
- HostAdapter->FirstIncomingMailbox + HostAdapter->MailboxCount - 1;
- HostAdapter->NextIncomingMailbox = HostAdapter->FirstIncomingMailbox;
-
- /*
- Initialize the Outgoing and Incoming Mailbox structures.
- */
- memset(HostAdapter->FirstOutgoingMailbox, 0,
- HostAdapter->MailboxCount * sizeof(struct BusLogic_OutgoingMailbox));
- memset(HostAdapter->FirstIncomingMailbox, 0,
- HostAdapter->MailboxCount * sizeof(struct BusLogic_IncomingMailbox));
- /*
- Initialize the Host Adapter's Pointer to the Outgoing/Incoming Mailboxes.
- */
- ExtendedMailboxRequest.MailboxCount = HostAdapter->MailboxCount;
- ExtendedMailboxRequest.BaseMailboxAddress =
- (u32) HostAdapter->MailboxSpaceHandle;
- if (BusLogic_Command(HostAdapter, BusLogic_InitializeExtendedMailbox,
- &ExtendedMailboxRequest,
- sizeof(ExtendedMailboxRequest), NULL, 0) < 0)
- return BusLogic_Failure(HostAdapter, "MAILBOX INITIALIZATION");
- /*
- Enable Strict Round Robin Mode if supported by the Host Adapter. In
- Strict Round Robin Mode, the Host Adapter only looks at the next Outgoing
- Mailbox for each new command, rather than scanning through all the
- Outgoing Mailboxes to find any that have new commands in them. Strict
- Round Robin Mode is significantly more efficient.
- */
- if (HostAdapter->StrictRoundRobinModeSupport)
- {
- RoundRobinModeRequest = BusLogic_StrictRoundRobinMode;
- if (BusLogic_Command(HostAdapter, BusLogic_EnableStrictRoundRobinMode,
- &RoundRobinModeRequest,
- sizeof(RoundRobinModeRequest), NULL, 0) < 0)
- return BusLogic_Failure(HostAdapter, "ENABLE STRICT ROUND ROBIN MODE");
- }
- /*
- For Host Adapters that support Extended LUN Format CCBs, issue the Set CCB
- Format command to allow 32 Logical Units per Target Device.
- */
- if (HostAdapter->ExtendedLUNSupport)
- {
- SetCCBFormatRequest = BusLogic_ExtendedLUNFormatCCB;
- if (BusLogic_Command(HostAdapter, BusLogic_SetCCBFormat,
- &SetCCBFormatRequest, sizeof(SetCCBFormatRequest),
- NULL, 0) < 0)
- return BusLogic_Failure(HostAdapter, "SET CCB FORMAT");
- }
- /*
- Announce Successful Initialization.
- */
-Done:
- if (!HostAdapter->HostAdapterInitialized)
- {
- BusLogic_Info("*** %s Initialized Successfully ***\n",
- HostAdapter, HostAdapter->FullModelName);
- BusLogic_Info("\n", HostAdapter);
- }
- else BusLogic_Warning("*** %s Initialized Successfully ***\n",
- HostAdapter, HostAdapter->FullModelName);
- HostAdapter->HostAdapterInitialized = true;
- /*
- Indicate the Host Adapter Initialization completed successfully.
- */
- return true;
+ struct BusLogic_ExtendedMailboxRequest ExtendedMailboxRequest;
+ enum BusLogic_RoundRobinModeRequest RoundRobinModeRequest;
+ enum BusLogic_SetCCBFormatRequest SetCCBFormatRequest;
+ int TargetID;
+ /*
+ Initialize the pointers to the first and last CCBs that are queued for
+ completion processing.
+ */
+ HostAdapter->FirstCompletedCCB = NULL;
+ HostAdapter->LastCompletedCCB = NULL;
+ /*
+ Initialize the Bus Device Reset Pending CCB, Tagged Queuing Active,
+ Command Successful Flag, Active Commands, and Commands Since Reset
+ for each Target Device.
+ */
+ for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++) {
+ HostAdapter->BusDeviceResetPendingCCB[TargetID] = NULL;
+ HostAdapter->TargetFlags[TargetID].TaggedQueuingActive = false;
+ HostAdapter->TargetFlags[TargetID].CommandSuccessfulFlag = false;
+ HostAdapter->ActiveCommands[TargetID] = 0;
+ HostAdapter->CommandsSinceReset[TargetID] = 0;
+ }
+ /*
+ FlashPoint Host Adapters do not use Outgoing and Incoming Mailboxes.
+ */
+ if (BusLogic_FlashPointHostAdapterP(HostAdapter))
+ goto Done;
+ /*
+ Initialize the Outgoing and Incoming Mailbox pointers.
+ */
+ HostAdapter->MailboxSize = HostAdapter->MailboxCount * (sizeof(struct BusLogic_OutgoingMailbox) + sizeof(struct BusLogic_IncomingMailbox));
+ HostAdapter->MailboxSpace = pci_alloc_consistent(HostAdapter->PCI_Device, HostAdapter->MailboxSize, &HostAdapter->MailboxSpaceHandle);
+ if (HostAdapter->MailboxSpace == NULL)
+ return BusLogic_Failure(HostAdapter, "MAILBOX ALLOCATION");
+ HostAdapter->FirstOutgoingMailbox = (struct BusLogic_OutgoingMailbox *) HostAdapter->MailboxSpace;
+ HostAdapter->LastOutgoingMailbox = HostAdapter->FirstOutgoingMailbox + HostAdapter->MailboxCount - 1;
+ HostAdapter->NextOutgoingMailbox = HostAdapter->FirstOutgoingMailbox;
+ HostAdapter->FirstIncomingMailbox = (struct BusLogic_IncomingMailbox *) (HostAdapter->LastOutgoingMailbox + 1);
+ HostAdapter->LastIncomingMailbox = HostAdapter->FirstIncomingMailbox + HostAdapter->MailboxCount - 1;
+ HostAdapter->NextIncomingMailbox = HostAdapter->FirstIncomingMailbox;
+
+ /*
+ Initialize the Outgoing and Incoming Mailbox structures.
+ */
+ memset(HostAdapter->FirstOutgoingMailbox, 0, HostAdapter->MailboxCount * sizeof(struct BusLogic_OutgoingMailbox));
+ memset(HostAdapter->FirstIncomingMailbox, 0, HostAdapter->MailboxCount * sizeof(struct BusLogic_IncomingMailbox));
+ /*
+ Initialize the Host Adapter's Pointer to the Outgoing/Incoming Mailboxes.
+ */
+ ExtendedMailboxRequest.MailboxCount = HostAdapter->MailboxCount;
+ ExtendedMailboxRequest.BaseMailboxAddress = (u32) HostAdapter->MailboxSpaceHandle;
+ if (BusLogic_Command(HostAdapter, BusLogic_InitializeExtendedMailbox, &ExtendedMailboxRequest, sizeof(ExtendedMailboxRequest), NULL, 0) < 0)
+ return BusLogic_Failure(HostAdapter, "MAILBOX INITIALIZATION");
+ /*
+ Enable Strict Round Robin Mode if supported by the Host Adapter. In
+ Strict Round Robin Mode, the Host Adapter only looks at the next Outgoing
+ Mailbox for each new command, rather than scanning through all the
+ Outgoing Mailboxes to find any that have new commands in them. Strict
+ Round Robin Mode is significantly more efficient.
+ */
+ if (HostAdapter->StrictRoundRobinModeSupport) {
+ RoundRobinModeRequest = BusLogic_StrictRoundRobinMode;
+ if (BusLogic_Command(HostAdapter, BusLogic_EnableStrictRoundRobinMode, &RoundRobinModeRequest, sizeof(RoundRobinModeRequest), NULL, 0) < 0)
+ return BusLogic_Failure(HostAdapter, "ENABLE STRICT ROUND ROBIN MODE");
+ }
+ /*
+ For Host Adapters that support Extended LUN Format CCBs, issue the Set CCB
+ Format command to allow 32 Logical Units per Target Device.
+ */
+ if (HostAdapter->ExtendedLUNSupport) {
+ SetCCBFormatRequest = BusLogic_ExtendedLUNFormatCCB;
+ if (BusLogic_Command(HostAdapter, BusLogic_SetCCBFormat, &SetCCBFormatRequest, sizeof(SetCCBFormatRequest), NULL, 0) < 0)
+ return BusLogic_Failure(HostAdapter, "SET CCB FORMAT");
+ }
+ /*
+ Announce Successful Initialization.
+ */
+ Done:
+ if (!HostAdapter->HostAdapterInitialized) {
+ BusLogic_Info("*** %s Initialized Successfully ***\n", HostAdapter, HostAdapter->FullModelName);
+ BusLogic_Info("\n", HostAdapter);
+ } else
+ BusLogic_Warning("*** %s Initialized Successfully ***\n", HostAdapter, HostAdapter->FullModelName);
+ HostAdapter->HostAdapterInitialized = true;
+ /*
+ Indicate the Host Adapter Initialization completed successfully.
+ */
+ return true;
}
static boolean __init BusLogic_TargetDeviceInquiry(struct BusLogic_HostAdapter
*HostAdapter)
{
- u16 InstalledDevices;
- u8 InstalledDevicesID0to7[8];
- struct BusLogic_SetupInformation SetupInformation;
- u8 SynchronousPeriod[BusLogic_MaxTargetDevices];
- unsigned char RequestedReplyLength;
- int TargetID;
- /*
- Wait a few seconds between the Host Adapter Hard Reset which initiates
- a SCSI Bus Reset and issuing any SCSI Commands. Some SCSI devices get
- confused if they receive SCSI Commands too soon after a SCSI Bus Reset.
- */
- BusLogic_Delay(HostAdapter->BusSettleTime);
- /*
- FlashPoint Host Adapters do not provide for Target Device Inquiry.
- */
- if (BusLogic_FlashPointHostAdapterP(HostAdapter)) return true;
- /*
- Inhibit the Target Device Inquiry if requested.
- */
- if (HostAdapter->DriverOptions != NULL &&
- HostAdapter->DriverOptions->LocalOptions.InhibitTargetInquiry)
- return true;
- /*
- Issue the Inquire Target Devices command for host adapters with firmware
- version 4.25 or later, or the Inquire Installed Devices ID 0 to 7 command
- for older host adapters. This is necessary to force Synchronous Transfer
- Negotiation so that the Inquire Setup Information and Inquire Synchronous
- Period commands will return valid data. The Inquire Target Devices command
- is preferable to Inquire Installed Devices ID 0 to 7 since it only probes
- Logical Unit 0 of each Target Device.
- */
- if (strcmp(HostAdapter->FirmwareVersion, "4.25") >= 0)
- {
-
- /*
- * Issue a Inquire Target Devices command. Inquire Target Devices only
- * tests Logical Unit 0 of each Target Device unlike the Inquire Installed
- * Devices commands which test Logical Units 0 - 7. Two bytes are
- * returned, where byte 0 bit 0 set indicates that Target Device 0 exists,
- * and so on.
- */
-
- if (BusLogic_Command(HostAdapter, BusLogic_InquireTargetDevices, NULL, 0,
- &InstalledDevices, sizeof(InstalledDevices))
- != sizeof(InstalledDevices))
- return BusLogic_Failure(HostAdapter, "INQUIRE TARGET DEVICES");
- for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
- HostAdapter->TargetFlags[TargetID].TargetExists =
- (InstalledDevices & (1 << TargetID) ? true : false);
- }
- else
- {
-
- /*
- * Issue an Inquire Installed Devices command. For each Target Device,
- * a byte is returned where bit 0 set indicates that Logical Unit 0
- * exists, bit 1 set indicates that Logical Unit 1 exists, and so on.
- */
-
- if (BusLogic_Command(HostAdapter, BusLogic_InquireInstalledDevicesID0to7,
- NULL, 0, &InstalledDevicesID0to7,
- sizeof(InstalledDevicesID0to7))
- != sizeof(InstalledDevicesID0to7))
- return BusLogic_Failure(HostAdapter,
- "INQUIRE INSTALLED DEVICES ID 0 TO 7");
- for (TargetID = 0; TargetID < 8; TargetID++)
- HostAdapter->TargetFlags[TargetID].TargetExists =
- (InstalledDevicesID0to7[TargetID] != 0 ? true : false);
- }
- /*
- Issue the Inquire Setup Information command.
- */
- RequestedReplyLength = sizeof(SetupInformation);
- if (BusLogic_Command(HostAdapter, BusLogic_InquireSetupInformation,
- &RequestedReplyLength, sizeof(RequestedReplyLength),
- &SetupInformation, sizeof(SetupInformation))
- != sizeof(SetupInformation))
- return BusLogic_Failure(HostAdapter, "INQUIRE SETUP INFORMATION");
- for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
- HostAdapter->SynchronousOffset[TargetID] =
- (TargetID < 8
- ? SetupInformation.SynchronousValuesID0to7[TargetID].Offset
- : SetupInformation.SynchronousValuesID8to15[TargetID-8].Offset);
- if (strcmp(HostAdapter->FirmwareVersion, "5.06L") >= 0)
- for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
- HostAdapter->TargetFlags[TargetID].WideTransfersActive =
- (TargetID < 8
- ? (SetupInformation.WideTransfersActiveID0to7 & (1 << TargetID)
- ? true : false)
- : (SetupInformation.WideTransfersActiveID8to15 & (1 << (TargetID-8))
- ? true : false));
- /*
- Issue the Inquire Synchronous Period command.
- */
- if (HostAdapter->FirmwareVersion[0] >= '3')
- {
-
- /* Issue a Inquire Synchronous Period command. For each Target Device,
- * a byte is returned which represents the Synchronous Transfer Period
- * in units of 10 nanoseconds.
- */
-
- RequestedReplyLength = sizeof(SynchronousPeriod);
- if (BusLogic_Command(HostAdapter, BusLogic_InquireSynchronousPeriod,
- &RequestedReplyLength, sizeof(RequestedReplyLength),
- &SynchronousPeriod, sizeof(SynchronousPeriod))
- != sizeof(SynchronousPeriod))
- return BusLogic_Failure(HostAdapter, "INQUIRE SYNCHRONOUS PERIOD");
- for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
- HostAdapter->SynchronousPeriod[TargetID] = SynchronousPeriod[TargetID];
- }
- else
- for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
- if (SetupInformation.SynchronousValuesID0to7[TargetID].Offset > 0)
- HostAdapter->SynchronousPeriod[TargetID] =
- 20 + 5 * SetupInformation.SynchronousValuesID0to7[TargetID]
- .TransferPeriod;
- /*
- Indicate the Target Device Inquiry completed successfully.
- */
- return true;
+ u16 InstalledDevices;
+ u8 InstalledDevicesID0to7[8];
+ struct BusLogic_SetupInformation SetupInformation;
+ u8 SynchronousPeriod[BusLogic_MaxTargetDevices];
+ unsigned char RequestedReplyLength;
+ int TargetID;
+ /*
+ Wait a few seconds between the Host Adapter Hard Reset which initiates
+ a SCSI Bus Reset and issuing any SCSI Commands. Some SCSI devices get
+ confused if they receive SCSI Commands too soon after a SCSI Bus Reset.
+ */
+ BusLogic_Delay(HostAdapter->BusSettleTime);
+ /*
+ FlashPoint Host Adapters do not provide for Target Device Inquiry.
+ */
+ if (BusLogic_FlashPointHostAdapterP(HostAdapter))
+ return true;
+ /*
+ Inhibit the Target Device Inquiry if requested.
+ */
+ if (HostAdapter->DriverOptions != NULL && HostAdapter->DriverOptions->LocalOptions.InhibitTargetInquiry)
+ return true;
+ /*
+ Issue the Inquire Target Devices command for host adapters with firmware
+ version 4.25 or later, or the Inquire Installed Devices ID 0 to 7 command
+ for older host adapters. This is necessary to force Synchronous Transfer
+ Negotiation so that the Inquire Setup Information and Inquire Synchronous
+ Period commands will return valid data. The Inquire Target Devices command
+ is preferable to Inquire Installed Devices ID 0 to 7 since it only probes
+ Logical Unit 0 of each Target Device.
+ */
+ if (strcmp(HostAdapter->FirmwareVersion, "4.25") >= 0) {
+
+ /*
+ * Issue a Inquire Target Devices command. Inquire Target Devices only
+ * tests Logical Unit 0 of each Target Device unlike the Inquire Installed
+ * Devices commands which test Logical Units 0 - 7. Two bytes are
+ * returned, where byte 0 bit 0 set indicates that Target Device 0 exists,
+ * and so on.
+ */
+
+ if (BusLogic_Command(HostAdapter, BusLogic_InquireTargetDevices, NULL, 0, &InstalledDevices, sizeof(InstalledDevices))
+ != sizeof(InstalledDevices))
+ return BusLogic_Failure(HostAdapter, "INQUIRE TARGET DEVICES");
+ for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
+ HostAdapter->TargetFlags[TargetID].TargetExists = (InstalledDevices & (1 << TargetID) ? true : false);
+ } else {
+
+ /*
+ * Issue an Inquire Installed Devices command. For each Target Device,
+ * a byte is returned where bit 0 set indicates that Logical Unit 0
+ * exists, bit 1 set indicates that Logical Unit 1 exists, and so on.
+ */
+
+ if (BusLogic_Command(HostAdapter, BusLogic_InquireInstalledDevicesID0to7, NULL, 0, &InstalledDevicesID0to7, sizeof(InstalledDevicesID0to7))
+ != sizeof(InstalledDevicesID0to7))
+ return BusLogic_Failure(HostAdapter, "INQUIRE INSTALLED DEVICES ID 0 TO 7");
+ for (TargetID = 0; TargetID < 8; TargetID++)
+ HostAdapter->TargetFlags[TargetID].TargetExists = (InstalledDevicesID0to7[TargetID] != 0 ? true : false);
+ }
+ /*
+ Issue the Inquire Setup Information command.
+ */
+ RequestedReplyLength = sizeof(SetupInformation);
+ if (BusLogic_Command(HostAdapter, BusLogic_InquireSetupInformation, &RequestedReplyLength, sizeof(RequestedReplyLength), &SetupInformation, sizeof(SetupInformation))
+ != sizeof(SetupInformation))
+ return BusLogic_Failure(HostAdapter, "INQUIRE SETUP INFORMATION");
+ for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
+ HostAdapter->SynchronousOffset[TargetID] = (TargetID < 8 ? SetupInformation.SynchronousValuesID0to7[TargetID].Offset : SetupInformation.SynchronousValuesID8to15[TargetID - 8].Offset);
+ if (strcmp(HostAdapter->FirmwareVersion, "5.06L") >= 0)
+ for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
+ HostAdapter->TargetFlags[TargetID].WideTransfersActive = (TargetID < 8 ? (SetupInformation.WideTransfersActiveID0to7 & (1 << TargetID)
+ ? true : false)
+ : (SetupInformation.WideTransfersActiveID8to15 & (1 << (TargetID - 8))
+ ? true : false));
+ /*
+ Issue the Inquire Synchronous Period command.
+ */
+ if (HostAdapter->FirmwareVersion[0] >= '3') {
+
+ /* Issue a Inquire Synchronous Period command. For each Target Device,
+ * a byte is returned which represents the Synchronous Transfer Period
+ * in units of 10 nanoseconds.
+ */
+
+ RequestedReplyLength = sizeof(SynchronousPeriod);
+ if (BusLogic_Command(HostAdapter, BusLogic_InquireSynchronousPeriod, &RequestedReplyLength, sizeof(RequestedReplyLength), &SynchronousPeriod, sizeof(SynchronousPeriod))
+ != sizeof(SynchronousPeriod))
+ return BusLogic_Failure(HostAdapter, "INQUIRE SYNCHRONOUS PERIOD");
+ for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
+ HostAdapter->SynchronousPeriod[TargetID] = SynchronousPeriod[TargetID];
+ } else
+ for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
+ if (SetupInformation.SynchronousValuesID0to7[TargetID].Offset > 0)
+ HostAdapter->SynchronousPeriod[TargetID] = 20 + 5 * SetupInformation.SynchronousValuesID0to7[TargetID]
+ .TransferPeriod;
+ /*
+ Indicate the Target Device Inquiry completed successfully.
+ */
+ return true;
}
/*
*/
static void __init BusLogic_InitializeHostStructure(struct BusLogic_HostAdapter
- *HostAdapter,
- struct Scsi_Host *Host)
+ *HostAdapter, struct Scsi_Host *Host)
{
- Host->max_id = HostAdapter->MaxTargetDevices;
- Host->max_lun = HostAdapter->MaxLogicalUnits;
- Host->max_channel = 0;
- Host->unique_id = HostAdapter->IO_Address;
- Host->this_id = HostAdapter->SCSI_ID;
- Host->can_queue = HostAdapter->DriverQueueDepth;
- Host->sg_tablesize = HostAdapter->DriverScatterGatherLimit;
- Host->unchecked_isa_dma = HostAdapter->BounceBuffersRequired;
- Host->cmd_per_lun = HostAdapter->UntaggedQueueDepth;
+ Host->max_id = HostAdapter->MaxTargetDevices;
+ Host->max_lun = HostAdapter->MaxLogicalUnits;
+ Host->max_channel = 0;
+ Host->unique_id = HostAdapter->IO_Address;
+ Host->this_id = HostAdapter->SCSI_ID;
+ Host->can_queue = HostAdapter->DriverQueueDepth;
+ Host->sg_tablesize = HostAdapter->DriverScatterGatherLimit;
+ Host->unchecked_isa_dma = HostAdapter->BounceBuffersRequired;
+ Host->cmd_per_lun = HostAdapter->UntaggedQueueDepth;
}
/*
*/
static int BusLogic_SlaveConfigure(struct scsi_device *Device)
{
- struct BusLogic_HostAdapter *HostAdapter =
- (struct BusLogic_HostAdapter *) Device->host->hostdata;
- int TargetID = Device->id;
- int QueueDepth = HostAdapter->QueueDepth[TargetID];
-
- if (HostAdapter->TargetFlags[TargetID].TaggedQueuingSupported &&
- (HostAdapter->TaggedQueuingPermitted & (1 << TargetID)))
- {
- if (QueueDepth == 0)
- QueueDepth = BusLogic_MaxAutomaticTaggedQueueDepth;
- HostAdapter->QueueDepth[TargetID] = QueueDepth;
- scsi_adjust_queue_depth(Device, MSG_SIMPLE_TAG, QueueDepth);
- }
- else
- {
- HostAdapter->TaggedQueuingPermitted &= ~(1 << TargetID);
- QueueDepth = HostAdapter->UntaggedQueueDepth;
- HostAdapter->QueueDepth[TargetID] = QueueDepth;
- scsi_adjust_queue_depth(Device, 0, QueueDepth);
- }
- QueueDepth = 0;
- for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
- if (HostAdapter->TargetFlags[TargetID].TargetExists)
- {
- QueueDepth += HostAdapter->QueueDepth[TargetID];
- }
- if (QueueDepth > HostAdapter->AllocatedCCBs)
- BusLogic_CreateAdditionalCCBs(HostAdapter,
- QueueDepth
- - HostAdapter->AllocatedCCBs,
- false);
- return 0;
+ struct BusLogic_HostAdapter *HostAdapter = (struct BusLogic_HostAdapter *) Device->host->hostdata;
+ int TargetID = Device->id;
+ int QueueDepth = HostAdapter->QueueDepth[TargetID];
+
+ if (HostAdapter->TargetFlags[TargetID].TaggedQueuingSupported && (HostAdapter->TaggedQueuingPermitted & (1 << TargetID))) {
+ if (QueueDepth == 0)
+ QueueDepth = BusLogic_MaxAutomaticTaggedQueueDepth;
+ HostAdapter->QueueDepth[TargetID] = QueueDepth;
+ scsi_adjust_queue_depth(Device, MSG_SIMPLE_TAG, QueueDepth);
+ } else {
+ HostAdapter->TaggedQueuingPermitted &= ~(1 << TargetID);
+ QueueDepth = HostAdapter->UntaggedQueueDepth;
+ HostAdapter->QueueDepth[TargetID] = QueueDepth;
+ scsi_adjust_queue_depth(Device, 0, QueueDepth);
+ }
+ QueueDepth = 0;
+ for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
+ if (HostAdapter->TargetFlags[TargetID].TargetExists) {
+ QueueDepth += HostAdapter->QueueDepth[TargetID];
+ }
+ if (QueueDepth > HostAdapter->AllocatedCCBs)
+ BusLogic_CreateAdditionalCCBs(HostAdapter, QueueDepth - HostAdapter->AllocatedCCBs, false);
+ return 0;
}
/*
static int __init BusLogic_DetectHostAdapter(struct scsi_host_template *HostTemplate)
{
- int BusLogicHostAdapterCount = 0, DriverOptionsIndex = 0, ProbeIndex;
- struct BusLogic_HostAdapter *PrototypeHostAdapter;
- if (BusLogic_ProbeOptions.NoProbe) return 0;
- BusLogic_ProbeInfoList = (struct BusLogic_ProbeInfo *)
- kmalloc(BusLogic_MaxHostAdapters * sizeof(struct BusLogic_ProbeInfo),
- GFP_ATOMIC);
- if (BusLogic_ProbeInfoList == NULL)
- {
- BusLogic_Error("BusLogic: Unable to allocate Probe Info List\n", NULL);
- return 0;
- }
- memset(BusLogic_ProbeInfoList, 0,
- BusLogic_MaxHostAdapters * sizeof(struct BusLogic_ProbeInfo));
- PrototypeHostAdapter = (struct BusLogic_HostAdapter *)
- kmalloc(sizeof(struct BusLogic_HostAdapter), GFP_ATOMIC);
- if (PrototypeHostAdapter == NULL)
- {
- kfree(BusLogic_ProbeInfoList);
- BusLogic_Error("BusLogic: Unable to allocate Prototype "
- "Host Adapter\n", NULL);
- return 0;
- }
- memset(PrototypeHostAdapter, 0, sizeof(struct BusLogic_HostAdapter));
+ int BusLogicHostAdapterCount = 0, DriverOptionsIndex = 0, ProbeIndex;
+ struct BusLogic_HostAdapter *PrototypeHostAdapter;
+ if (BusLogic_ProbeOptions.NoProbe)
+ return 0;
+ BusLogic_ProbeInfoList = (struct BusLogic_ProbeInfo *)
+ kmalloc(BusLogic_MaxHostAdapters * sizeof(struct BusLogic_ProbeInfo), GFP_ATOMIC);
+ if (BusLogic_ProbeInfoList == NULL) {
+ BusLogic_Error("BusLogic: Unable to allocate Probe Info List\n", NULL);
+ return 0;
+ }
+ memset(BusLogic_ProbeInfoList, 0, BusLogic_MaxHostAdapters * sizeof(struct BusLogic_ProbeInfo));
+ PrototypeHostAdapter = (struct BusLogic_HostAdapter *)
+ kmalloc(sizeof(struct BusLogic_HostAdapter), GFP_ATOMIC);
+ if (PrototypeHostAdapter == NULL) {
+ kfree(BusLogic_ProbeInfoList);
+ BusLogic_Error("BusLogic: Unable to allocate Prototype " "Host Adapter\n", NULL);
+ return 0;
+ }
+ memset(PrototypeHostAdapter, 0, sizeof(struct BusLogic_HostAdapter));
#ifdef MODULE
- if (BusLogic != NULL)
- BusLogic_Setup(BusLogic);
+ if (BusLogic != NULL)
+ BusLogic_Setup(BusLogic);
#endif
- BusLogic_InitializeProbeInfoList(PrototypeHostAdapter);
- for (ProbeIndex = 0; ProbeIndex < BusLogic_ProbeInfoCount; ProbeIndex++)
- {
- struct BusLogic_ProbeInfo *ProbeInfo = &BusLogic_ProbeInfoList[ProbeIndex];
- struct BusLogic_HostAdapter *HostAdapter = PrototypeHostAdapter;
- struct Scsi_Host *Host;
- if (ProbeInfo->IO_Address == 0) continue;
- memset(HostAdapter, 0, sizeof(struct BusLogic_HostAdapter));
- HostAdapter->HostAdapterType = ProbeInfo->HostAdapterType;
- HostAdapter->HostAdapterBusType = ProbeInfo->HostAdapterBusType;
- HostAdapter->IO_Address = ProbeInfo->IO_Address;
- HostAdapter->PCI_Address = ProbeInfo->PCI_Address;
- HostAdapter->Bus = ProbeInfo->Bus;
- HostAdapter->Device = ProbeInfo->Device;
- HostAdapter->IRQ_Channel = ProbeInfo->IRQ_Channel;
- HostAdapter->AddressCount =
- BusLogic_HostAdapterAddressCount[HostAdapter->HostAdapterType];
- /*
- Probe the Host Adapter. If unsuccessful, abort further initialization.
- */
- if (!BusLogic_ProbeHostAdapter(HostAdapter)) continue;
- /*
- Hard Reset the Host Adapter. If unsuccessful, abort further
- initialization.
- */
- if (!BusLogic_HardwareResetHostAdapter(HostAdapter, true)) continue;
- /*
- Check the Host Adapter. If unsuccessful, abort further initialization.
- */
- if (!BusLogic_CheckHostAdapter(HostAdapter)) continue;
- /*
- Initialize the Driver Options field if provided.
- */
- if (DriverOptionsIndex < BusLogic_DriverOptionsCount)
- HostAdapter->DriverOptions =
- &BusLogic_DriverOptions[DriverOptionsIndex++];
- /*
- Announce the Driver Version and Date, Author's Name, Copyright Notice,
- and Electronic Mail Address.
- */
- BusLogic_AnnounceDriver(HostAdapter);
- /*
- Register usage of the I/O Address range. From this point onward, any
- failure will be assumed to be due to a problem with the Host Adapter,
- rather than due to having mistakenly identified this port as belonging
- to a BusLogic Host Adapter. The I/O Address range will not be
- released, thereby preventing it from being incorrectly identified as
- any other type of Host Adapter.
- */
- if (!request_region(HostAdapter->IO_Address, HostAdapter->AddressCount,
- "BusLogic")) continue;
- /*
- Register the SCSI Host structure.
- */
-
- Host = scsi_host_alloc(HostTemplate, sizeof(struct BusLogic_HostAdapter));
- if(Host==NULL)
- {
- release_region(HostAdapter->IO_Address, HostAdapter->AddressCount);
- continue;
- }
- HostAdapter = (struct BusLogic_HostAdapter *) Host->hostdata;
- memcpy(HostAdapter, PrototypeHostAdapter, sizeof(struct BusLogic_HostAdapter));
- HostAdapter->SCSI_Host = Host;
- HostAdapter->HostNumber = Host->host_no;
- /*
- Add Host Adapter to the end of the list of registered BusLogic
- Host Adapters.
- */
- BusLogic_RegisterHostAdapter(HostAdapter);
- /*
- Read the Host Adapter Configuration, Configure the Host Adapter,
- Acquire the System Resources necessary to use the Host Adapter, then
- Create the Initial CCBs, Initialize the Host Adapter, and finally
- perform Target Device Inquiry.
- */
- if (BusLogic_ReadHostAdapterConfiguration(HostAdapter) &&
- BusLogic_ReportHostAdapterConfiguration(HostAdapter) &&
- BusLogic_AcquireResources(HostAdapter) &&
- BusLogic_CreateInitialCCBs(HostAdapter) &&
- BusLogic_InitializeHostAdapter(HostAdapter) &&
- BusLogic_TargetDeviceInquiry(HostAdapter))
- {
- /*
- Initialization has been completed successfully. Release and
- re-register usage of the I/O Address range so that the Model
- Name of the Host Adapter will appear, and initialize the SCSI
- Host structure.
- */
- release_region(HostAdapter->IO_Address,
- HostAdapter->AddressCount);
- if(!request_region(HostAdapter->IO_Address,
- HostAdapter->AddressCount,
- HostAdapter->FullModelName)) {
- printk(KERN_WARNING "BusLogic: Release and re-register of "
- "port 0x%04lx failed \n",
- (unsigned long)HostAdapter->IO_Address);
- BusLogic_DestroyCCBs(HostAdapter);
- BusLogic_ReleaseResources(HostAdapter);
- BusLogic_UnregisterHostAdapter(HostAdapter);
- scsi_host_put(Host);
- }
- else {
- BusLogic_InitializeHostStructure(HostAdapter, Host);
- scsi_add_host(Host, NULL);
- scsi_scan_host(Host);
- BusLogicHostAdapterCount++;
- }
- }
- else
- {
- /*
- An error occurred during Host Adapter Configuration Querying, Host
- Adapter Configuration, Resource Acquisition, CCB Creation, Host
- Adapter Initialization, or Target Device Inquiry, so remove Host
- Adapter from the list of registered BusLogic Host Adapters, destroy
- the CCBs, Release the System Resources, and Unregister the SCSI
- Host.
- */
- BusLogic_DestroyCCBs(HostAdapter);
- BusLogic_ReleaseResources(HostAdapter);
- BusLogic_UnregisterHostAdapter(HostAdapter);
- scsi_host_put(Host);
+ BusLogic_InitializeProbeInfoList(PrototypeHostAdapter);
+ for (ProbeIndex = 0; ProbeIndex < BusLogic_ProbeInfoCount; ProbeIndex++) {
+ struct BusLogic_ProbeInfo *ProbeInfo = &BusLogic_ProbeInfoList[ProbeIndex];
+ struct BusLogic_HostAdapter *HostAdapter = PrototypeHostAdapter;
+ struct Scsi_Host *Host;
+ if (ProbeInfo->IO_Address == 0)
+ continue;
+ memset(HostAdapter, 0, sizeof(struct BusLogic_HostAdapter));
+ HostAdapter->HostAdapterType = ProbeInfo->HostAdapterType;
+ HostAdapter->HostAdapterBusType = ProbeInfo->HostAdapterBusType;
+ HostAdapter->IO_Address = ProbeInfo->IO_Address;
+ HostAdapter->PCI_Address = ProbeInfo->PCI_Address;
+ HostAdapter->Bus = ProbeInfo->Bus;
+ HostAdapter->Device = ProbeInfo->Device;
+ HostAdapter->IRQ_Channel = ProbeInfo->IRQ_Channel;
+ HostAdapter->AddressCount = BusLogic_HostAdapterAddressCount[HostAdapter->HostAdapterType];
+ /*
+ Probe the Host Adapter. If unsuccessful, abort further initialization.
+ */
+ if (!BusLogic_ProbeHostAdapter(HostAdapter))
+ continue;
+ /*
+ Hard Reset the Host Adapter. If unsuccessful, abort further
+ initialization.
+ */
+ if (!BusLogic_HardwareResetHostAdapter(HostAdapter, true))
+ continue;
+ /*
+ Check the Host Adapter. If unsuccessful, abort further initialization.
+ */
+ if (!BusLogic_CheckHostAdapter(HostAdapter))
+ continue;
+ /*
+ Initialize the Driver Options field if provided.
+ */
+ if (DriverOptionsIndex < BusLogic_DriverOptionsCount)
+ HostAdapter->DriverOptions = &BusLogic_DriverOptions[DriverOptionsIndex++];
+ /*
+ Announce the Driver Version and Date, Author's Name, Copyright Notice,
+ and Electronic Mail Address.
+ */
+ BusLogic_AnnounceDriver(HostAdapter);
+ /*
+ Register usage of the I/O Address range. From this point onward, any
+ failure will be assumed to be due to a problem with the Host Adapter,
+ rather than due to having mistakenly identified this port as belonging
+ to a BusLogic Host Adapter. The I/O Address range will not be
+ released, thereby preventing it from being incorrectly identified as
+ any other type of Host Adapter.
+ */
+ if (!request_region(HostAdapter->IO_Address, HostAdapter->AddressCount, "BusLogic"))
+ continue;
+ /*
+ Register the SCSI Host structure.
+ */
+
+ Host = scsi_host_alloc(HostTemplate, sizeof(struct BusLogic_HostAdapter));
+ if (Host == NULL) {
+ release_region(HostAdapter->IO_Address, HostAdapter->AddressCount);
+ continue;
+ }
+ HostAdapter = (struct BusLogic_HostAdapter *) Host->hostdata;
+ memcpy(HostAdapter, PrototypeHostAdapter, sizeof(struct BusLogic_HostAdapter));
+ HostAdapter->SCSI_Host = Host;
+ HostAdapter->HostNumber = Host->host_no;
+ /*
+ Add Host Adapter to the end of the list of registered BusLogic
+ Host Adapters.
+ */
+ BusLogic_RegisterHostAdapter(HostAdapter);
+ /*
+ Read the Host Adapter Configuration, Configure the Host Adapter,
+ Acquire the System Resources necessary to use the Host Adapter, then
+ Create the Initial CCBs, Initialize the Host Adapter, and finally
+ perform Target Device Inquiry.
+ */
+ if (BusLogic_ReadHostAdapterConfiguration(HostAdapter) &&
+ BusLogic_ReportHostAdapterConfiguration(HostAdapter) && BusLogic_AcquireResources(HostAdapter) && BusLogic_CreateInitialCCBs(HostAdapter) && BusLogic_InitializeHostAdapter(HostAdapter) && BusLogic_TargetDeviceInquiry(HostAdapter)) {
+ /*
+ Initialization has been completed successfully. Release and
+ re-register usage of the I/O Address range so that the Model
+ Name of the Host Adapter will appear, and initialize the SCSI
+ Host structure.
+ */
+ release_region(HostAdapter->IO_Address, HostAdapter->AddressCount);
+ if (!request_region(HostAdapter->IO_Address, HostAdapter->AddressCount, HostAdapter->FullModelName)) {
+ printk(KERN_WARNING "BusLogic: Release and re-register of " "port 0x%04lx failed \n", (unsigned long) HostAdapter->IO_Address);
+ BusLogic_DestroyCCBs(HostAdapter);
+ BusLogic_ReleaseResources(HostAdapter);
+ BusLogic_UnregisterHostAdapter(HostAdapter);
+ scsi_host_put(Host);
+ } else {
+ BusLogic_InitializeHostStructure(HostAdapter, Host);
+ scsi_add_host(Host, NULL);
+ scsi_scan_host(Host);
+ BusLogicHostAdapterCount++;
+ }
+ } else {
+ /*
+ An error occurred during Host Adapter Configuration Querying, Host
+ Adapter Configuration, Resource Acquisition, CCB Creation, Host
+ Adapter Initialization, or Target Device Inquiry, so remove Host
+ Adapter from the list of registered BusLogic Host Adapters, destroy
+ the CCBs, Release the System Resources, and Unregister the SCSI
+ Host.
+ */
+ BusLogic_DestroyCCBs(HostAdapter);
+ BusLogic_ReleaseResources(HostAdapter);
+ BusLogic_UnregisterHostAdapter(HostAdapter);
+ scsi_host_put(Host);
+ }
}
- }
- kfree(PrototypeHostAdapter);
- kfree(BusLogic_ProbeInfoList);
- BusLogic_ProbeInfoList = NULL;
- return BusLogicHostAdapterCount;
+ kfree(PrototypeHostAdapter);
+ kfree(BusLogic_ProbeInfoList);
+ BusLogic_ProbeInfoList = NULL;
+ return BusLogicHostAdapterCount;
}
static int __exit BusLogic_ReleaseHostAdapter(struct Scsi_Host *Host)
{
- struct BusLogic_HostAdapter *HostAdapter =
- (struct BusLogic_HostAdapter *) Host->hostdata;
- /*
- FlashPoint Host Adapters must first be released by the FlashPoint
- SCCB Manager.
- */
- if (BusLogic_FlashPointHostAdapterP(HostAdapter))
- FlashPoint_ReleaseHostAdapter(HostAdapter->CardHandle);
- /*
- Destroy the CCBs and release any system resources acquired to
- support Host Adapter.
- */
- BusLogic_DestroyCCBs(HostAdapter);
- BusLogic_ReleaseResources(HostAdapter);
- /*
- Release usage of the I/O Address range.
- */
- release_region(HostAdapter->IO_Address, HostAdapter->AddressCount);
- /*
- Remove Host Adapter from the list of registered BusLogic Host Adapters.
- */
- BusLogic_UnregisterHostAdapter(HostAdapter);
- return 0;
+ struct BusLogic_HostAdapter *HostAdapter = (struct BusLogic_HostAdapter *) Host->hostdata;
+ /*
+ FlashPoint Host Adapters must first be released by the FlashPoint
+ SCCB Manager.
+ */
+ if (BusLogic_FlashPointHostAdapterP(HostAdapter))
+ FlashPoint_ReleaseHostAdapter(HostAdapter->CardHandle);
+ /*
+ Destroy the CCBs and release any system resources acquired to
+ support Host Adapter.
+ */
+ BusLogic_DestroyCCBs(HostAdapter);
+ BusLogic_ReleaseResources(HostAdapter);
+ /*
+ Release usage of the I/O Address range.
+ */
+ release_region(HostAdapter->IO_Address, HostAdapter->AddressCount);
+ /*
+ Remove Host Adapter from the list of registered BusLogic Host Adapters.
+ */
+ BusLogic_UnregisterHostAdapter(HostAdapter);
+ return 0;
}
static void BusLogic_QueueCompletedCCB(struct BusLogic_CCB *CCB)
{
- struct BusLogic_HostAdapter *HostAdapter = CCB->HostAdapter;
- CCB->Status = BusLogic_CCB_Completed;
- CCB->Next = NULL;
- if (HostAdapter->FirstCompletedCCB == NULL)
- {
- HostAdapter->FirstCompletedCCB = CCB;
- HostAdapter->LastCompletedCCB = CCB;
- }
- else
- {
- HostAdapter->LastCompletedCCB->Next = CCB;
- HostAdapter->LastCompletedCCB = CCB;
- }
- HostAdapter->ActiveCommands[CCB->TargetID]--;
+ struct BusLogic_HostAdapter *HostAdapter = CCB->HostAdapter;
+ CCB->Status = BusLogic_CCB_Completed;
+ CCB->Next = NULL;
+ if (HostAdapter->FirstCompletedCCB == NULL) {
+ HostAdapter->FirstCompletedCCB = CCB;
+ HostAdapter->LastCompletedCCB = CCB;
+ } else {
+ HostAdapter->LastCompletedCCB->Next = CCB;
+ HostAdapter->LastCompletedCCB = CCB;
+ }
+ HostAdapter->ActiveCommands[CCB->TargetID]--;
}
the Host Adapter Status and Target Device Status.
*/
-static int BusLogic_ComputeResultCode(struct BusLogic_HostAdapter *HostAdapter,
- enum BusLogic_HostAdapterStatus
- HostAdapterStatus,
- enum BusLogic_TargetDeviceStatus
- TargetDeviceStatus)
+static int BusLogic_ComputeResultCode(struct BusLogic_HostAdapter *HostAdapter, enum BusLogic_HostAdapterStatus HostAdapterStatus, enum BusLogic_TargetDeviceStatus TargetDeviceStatus)
{
- int HostStatus;
- switch (HostAdapterStatus)
- {
- case BusLogic_CommandCompletedNormally:
- case BusLogic_LinkedCommandCompleted:
- case BusLogic_LinkedCommandCompletedWithFlag:
- HostStatus = DID_OK;
- break;
- case BusLogic_SCSISelectionTimeout:
- HostStatus = DID_TIME_OUT;
- break;
- case BusLogic_InvalidOutgoingMailboxActionCode:
- case BusLogic_InvalidCommandOperationCode:
- case BusLogic_InvalidCommandParameter:
- BusLogic_Warning("BusLogic Driver Protocol Error 0x%02X\n",
- HostAdapter, HostAdapterStatus);
- case BusLogic_DataUnderRun:
- case BusLogic_DataOverRun:
- case BusLogic_UnexpectedBusFree:
- case BusLogic_LinkedCCBhasInvalidLUN:
- case BusLogic_AutoRequestSenseFailed:
- case BusLogic_TaggedQueuingMessageRejected:
- case BusLogic_UnsupportedMessageReceived:
- case BusLogic_HostAdapterHardwareFailed:
- case BusLogic_TargetDeviceReconnectedImproperly:
- case BusLogic_AbortQueueGenerated:
- case BusLogic_HostAdapterSoftwareError:
- case BusLogic_HostAdapterHardwareTimeoutError:
- case BusLogic_SCSIParityErrorDetected:
- HostStatus = DID_ERROR;
- break;
- case BusLogic_InvalidBusPhaseRequested:
- case BusLogic_TargetFailedResponseToATN:
- case BusLogic_HostAdapterAssertedRST:
- case BusLogic_OtherDeviceAssertedRST:
- case BusLogic_HostAdapterAssertedBusDeviceReset:
- HostStatus = DID_RESET;
- break;
- default:
- BusLogic_Warning("Unknown Host Adapter Status 0x%02X\n",
- HostAdapter, HostAdapterStatus);
- HostStatus = DID_ERROR;
- break;
- }
- return (HostStatus << 16) | TargetDeviceStatus;
+ int HostStatus;
+ switch (HostAdapterStatus) {
+ case BusLogic_CommandCompletedNormally:
+ case BusLogic_LinkedCommandCompleted:
+ case BusLogic_LinkedCommandCompletedWithFlag:
+ HostStatus = DID_OK;
+ break;
+ case BusLogic_SCSISelectionTimeout:
+ HostStatus = DID_TIME_OUT;
+ break;
+ case BusLogic_InvalidOutgoingMailboxActionCode:
+ case BusLogic_InvalidCommandOperationCode:
+ case BusLogic_InvalidCommandParameter:
+ BusLogic_Warning("BusLogic Driver Protocol Error 0x%02X\n", HostAdapter, HostAdapterStatus);
+ case BusLogic_DataUnderRun:
+ case BusLogic_DataOverRun:
+ case BusLogic_UnexpectedBusFree:
+ case BusLogic_LinkedCCBhasInvalidLUN:
+ case BusLogic_AutoRequestSenseFailed:
+ case BusLogic_TaggedQueuingMessageRejected:
+ case BusLogic_UnsupportedMessageReceived:
+ case BusLogic_HostAdapterHardwareFailed:
+ case BusLogic_TargetDeviceReconnectedImproperly:
+ case BusLogic_AbortQueueGenerated:
+ case BusLogic_HostAdapterSoftwareError:
+ case BusLogic_HostAdapterHardwareTimeoutError:
+ case BusLogic_SCSIParityErrorDetected:
+ HostStatus = DID_ERROR;
+ break;
+ case BusLogic_InvalidBusPhaseRequested:
+ case BusLogic_TargetFailedResponseToATN:
+ case BusLogic_HostAdapterAssertedRST:
+ case BusLogic_OtherDeviceAssertedRST:
+ case BusLogic_HostAdapterAssertedBusDeviceReset:
+ HostStatus = DID_RESET;
+ break;
+ default:
+ BusLogic_Warning("Unknown Host Adapter Status 0x%02X\n", HostAdapter, HostAdapterStatus);
+ HostStatus = DID_ERROR;
+ break;
+ }
+ return (HostStatus << 16) | TargetDeviceStatus;
}
static void BusLogic_ScanIncomingMailboxes(struct BusLogic_HostAdapter *HostAdapter)
{
- /*
- Scan through the Incoming Mailboxes in Strict Round Robin fashion, saving
- any completed CCBs for further processing. It is essential that for each
- CCB and SCSI Command issued, command completion processing is performed
- exactly once. Therefore, only Incoming Mailboxes with completion code
- Command Completed Without Error, Command Completed With Error, or Command
- Aborted At Host Request are saved for completion processing. When an
- Incoming Mailbox has a completion code of Aborted Command Not Found, the
- CCB had already completed or been aborted before the current Abort request
- was processed, and so completion processing has already occurred and no
- further action should be taken.
- */
- struct BusLogic_IncomingMailbox *NextIncomingMailbox =
- HostAdapter->NextIncomingMailbox;
- enum BusLogic_CompletionCode CompletionCode;
- while ((CompletionCode = NextIncomingMailbox->CompletionCode) !=
- BusLogic_IncomingMailboxFree)
- {
- /*
- We are only allowed to do this because we limit our architectures we
- run on to machines where bus_to_virt() actually works. There *needs*
- to be a dma_addr_to_virt() in the new PCI DMA mapping interface to
- replace bus_to_virt() or else this code is going to become very
- innefficient.
- */
- struct BusLogic_CCB *CCB = (struct BusLogic_CCB *)
- Bus_to_Virtual(NextIncomingMailbox->CCB);
- if (CompletionCode != BusLogic_AbortedCommandNotFound)
- {
- if (CCB->Status == BusLogic_CCB_Active ||
- CCB->Status == BusLogic_CCB_Reset)
- {
- /*
- Save the Completion Code for this CCB and queue the CCB
- for completion processing.
- */
- CCB->CompletionCode = CompletionCode;
- BusLogic_QueueCompletedCCB(CCB);
- }
- else
- {
- /*
- If a CCB ever appears in an Incoming Mailbox and is not marked
- as status Active or Reset, then there is most likely a bug in
- the Host Adapter firmware.
- */
- BusLogic_Warning("Illegal CCB #%ld status %d in "
- "Incoming Mailbox\n", HostAdapter,
- CCB->SerialNumber, CCB->Status);
- }
+ /*
+ Scan through the Incoming Mailboxes in Strict Round Robin fashion, saving
+ any completed CCBs for further processing. It is essential that for each
+ CCB and SCSI Command issued, command completion processing is performed
+ exactly once. Therefore, only Incoming Mailboxes with completion code
+ Command Completed Without Error, Command Completed With Error, or Command
+ Aborted At Host Request are saved for completion processing. When an
+ Incoming Mailbox has a completion code of Aborted Command Not Found, the
+ CCB had already completed or been aborted before the current Abort request
+ was processed, and so completion processing has already occurred and no
+ further action should be taken.
+ */
+ struct BusLogic_IncomingMailbox *NextIncomingMailbox = HostAdapter->NextIncomingMailbox;
+ enum BusLogic_CompletionCode CompletionCode;
+ while ((CompletionCode = NextIncomingMailbox->CompletionCode) != BusLogic_IncomingMailboxFree) {
+ /*
+ We are only allowed to do this because we limit our architectures we
+ run on to machines where bus_to_virt() actually works. There *needs*
+ to be a dma_addr_to_virt() in the new PCI DMA mapping interface to
+ replace bus_to_virt() or else this code is going to become very
+ innefficient.
+ */
+ struct BusLogic_CCB *CCB = (struct BusLogic_CCB *) Bus_to_Virtual(NextIncomingMailbox->CCB);
+ if (CompletionCode != BusLogic_AbortedCommandNotFound) {
+ if (CCB->Status == BusLogic_CCB_Active || CCB->Status == BusLogic_CCB_Reset) {
+ /*
+ Save the Completion Code for this CCB and queue the CCB
+ for completion processing.
+ */
+ CCB->CompletionCode = CompletionCode;
+ BusLogic_QueueCompletedCCB(CCB);
+ } else {
+ /*
+ If a CCB ever appears in an Incoming Mailbox and is not marked
+ as status Active or Reset, then there is most likely a bug in
+ the Host Adapter firmware.
+ */
+ BusLogic_Warning("Illegal CCB #%ld status %d in " "Incoming Mailbox\n", HostAdapter, CCB->SerialNumber, CCB->Status);
+ }
+ }
+ NextIncomingMailbox->CompletionCode = BusLogic_IncomingMailboxFree;
+ if (++NextIncomingMailbox > HostAdapter->LastIncomingMailbox)
+ NextIncomingMailbox = HostAdapter->FirstIncomingMailbox;
}
- NextIncomingMailbox->CompletionCode = BusLogic_IncomingMailboxFree;
- if (++NextIncomingMailbox > HostAdapter->LastIncomingMailbox)
- NextIncomingMailbox = HostAdapter->FirstIncomingMailbox;
- }
- HostAdapter->NextIncomingMailbox = NextIncomingMailbox;
+ HostAdapter->NextIncomingMailbox = NextIncomingMailbox;
}
static void BusLogic_ProcessCompletedCCBs(struct BusLogic_HostAdapter *HostAdapter)
{
- if (HostAdapter->ProcessCompletedCCBsActive) return;
- HostAdapter->ProcessCompletedCCBsActive = true;
- while (HostAdapter->FirstCompletedCCB != NULL)
- {
- struct BusLogic_CCB *CCB = HostAdapter->FirstCompletedCCB;
- struct scsi_cmnd *Command = CCB->Command;
- HostAdapter->FirstCompletedCCB = CCB->Next;
- if (HostAdapter->FirstCompletedCCB == NULL)
- HostAdapter->LastCompletedCCB = NULL;
- /*
- Process the Completed CCB.
- */
- if (CCB->Opcode == BusLogic_BusDeviceReset)
- {
- int TargetID = CCB->TargetID;
- BusLogic_Warning("Bus Device Reset CCB #%ld to Target "
- "%d Completed\n", HostAdapter,
- CCB->SerialNumber, TargetID);
- BusLogic_IncrementErrorCounter(
- &HostAdapter->TargetStatistics[TargetID].BusDeviceResetsCompleted);
- HostAdapter->TargetFlags[TargetID].TaggedQueuingActive = false;
- HostAdapter->CommandsSinceReset[TargetID] = 0;
- HostAdapter->LastResetCompleted[TargetID] = jiffies;
- /*
- Place CCB back on the Host Adapter's free list.
- */
- BusLogic_DeallocateCCB(CCB);
-#if 0 /* this needs to be redone different for new EH */
- /*
- Bus Device Reset CCBs have the Command field non-NULL only when a
- Bus Device Reset was requested for a Command that did not have a
- currently active CCB in the Host Adapter (i.e., a Synchronous
- Bus Device Reset), and hence would not have its Completion Routine
- called otherwise.
- */
- while (Command != NULL)
- {
- struct scsi_cmnd *NextCommand = Command->reset_chain;
- Command->reset_chain = NULL;
- Command->result = DID_RESET << 16;
- Command->scsi_done(Command);
- Command = NextCommand;
- }
+ if (HostAdapter->ProcessCompletedCCBsActive)
+ return;
+ HostAdapter->ProcessCompletedCCBsActive = true;
+ while (HostAdapter->FirstCompletedCCB != NULL) {
+ struct BusLogic_CCB *CCB = HostAdapter->FirstCompletedCCB;
+ struct scsi_cmnd *Command = CCB->Command;
+ HostAdapter->FirstCompletedCCB = CCB->Next;
+ if (HostAdapter->FirstCompletedCCB == NULL)
+ HostAdapter->LastCompletedCCB = NULL;
+ /*
+ Process the Completed CCB.
+ */
+ if (CCB->Opcode == BusLogic_BusDeviceReset) {
+ int TargetID = CCB->TargetID;
+ BusLogic_Warning("Bus Device Reset CCB #%ld to Target " "%d Completed\n", HostAdapter, CCB->SerialNumber, TargetID);
+ BusLogic_IncrementErrorCounter(&HostAdapter->TargetStatistics[TargetID].BusDeviceResetsCompleted);
+ HostAdapter->TargetFlags[TargetID].TaggedQueuingActive = false;
+ HostAdapter->CommandsSinceReset[TargetID] = 0;
+ HostAdapter->LastResetCompleted[TargetID] = jiffies;
+ /*
+ Place CCB back on the Host Adapter's free list.
+ */
+ BusLogic_DeallocateCCB(CCB);
+#if 0 /* this needs to be redone different for new EH */
+ /*
+ Bus Device Reset CCBs have the Command field non-NULL only when a
+ Bus Device Reset was requested for a Command that did not have a
+ currently active CCB in the Host Adapter (i.e., a Synchronous
+ Bus Device Reset), and hence would not have its Completion Routine
+ called otherwise.
+ */
+ while (Command != NULL) {
+ struct scsi_cmnd *NextCommand = Command->reset_chain;
+ Command->reset_chain = NULL;
+ Command->result = DID_RESET << 16;
+ Command->scsi_done(Command);
+ Command = NextCommand;
+ }
#endif
- /*
- Iterate over the CCBs for this Host Adapter performing completion
- processing for any CCBs marked as Reset for this Target.
- */
- for (CCB = HostAdapter->All_CCBs; CCB != NULL; CCB = CCB->NextAll)
- if (CCB->Status == BusLogic_CCB_Reset && CCB->TargetID == TargetID)
- {
- Command = CCB->Command;
- BusLogic_DeallocateCCB(CCB);
- HostAdapter->ActiveCommands[TargetID]--;
- Command->result = DID_RESET << 16;
- Command->scsi_done(Command);
- }
- HostAdapter->BusDeviceResetPendingCCB[TargetID] = NULL;
- }
- else
- {
- /*
- Translate the Completion Code, Host Adapter Status, and Target
- Device Status into a SCSI Subsystem Result Code.
- */
- switch (CCB->CompletionCode)
- {
- case BusLogic_IncomingMailboxFree:
- case BusLogic_AbortedCommandNotFound:
- case BusLogic_InvalidCCB:
- BusLogic_Warning("CCB #%ld to Target %d Impossible State\n",
- HostAdapter, CCB->SerialNumber, CCB->TargetID);
- break;
- case BusLogic_CommandCompletedWithoutError:
- HostAdapter->TargetStatistics[CCB->TargetID]
- .CommandsCompleted++;
- HostAdapter->TargetFlags[CCB->TargetID]
- .CommandSuccessfulFlag = true;
- Command->result = DID_OK << 16;
- break;
- case BusLogic_CommandAbortedAtHostRequest:
- BusLogic_Warning("CCB #%ld to Target %d Aborted\n",
- HostAdapter, CCB->SerialNumber, CCB->TargetID);
- BusLogic_IncrementErrorCounter(
- &HostAdapter->TargetStatistics[CCB->TargetID]
- .CommandAbortsCompleted);
- Command->result = DID_ABORT << 16;
- break;
- case BusLogic_CommandCompletedWithError:
- Command->result =
- BusLogic_ComputeResultCode(HostAdapter,
- CCB->HostAdapterStatus,
- CCB->TargetDeviceStatus);
- if (CCB->HostAdapterStatus != BusLogic_SCSISelectionTimeout)
- {
- HostAdapter->TargetStatistics[CCB->TargetID]
- .CommandsCompleted++;
- if (BusLogic_GlobalOptions.TraceErrors)
- {
- int i;
- BusLogic_Notice("CCB #%ld Target %d: Result %X Host "
- "Adapter Status %02X "
- "Target Status %02X\n",
- HostAdapter, CCB->SerialNumber,
- CCB->TargetID, Command->result,
- CCB->HostAdapterStatus,
- CCB->TargetDeviceStatus);
- BusLogic_Notice("CDB ", HostAdapter);
- for (i = 0; i < CCB->CDB_Length; i++)
- BusLogic_Notice(" %02X", HostAdapter, CCB->CDB[i]);
- BusLogic_Notice("\n", HostAdapter);
- BusLogic_Notice("Sense ", HostAdapter);
- for (i = 0; i < CCB->SenseDataLength; i++)
- BusLogic_Notice(" %02X", HostAdapter,
- Command->sense_buffer[i]);
- BusLogic_Notice("\n", HostAdapter);
- }
+ /*
+ Iterate over the CCBs for this Host Adapter performing completion
+ processing for any CCBs marked as Reset for this Target.
+ */
+ for (CCB = HostAdapter->All_CCBs; CCB != NULL; CCB = CCB->NextAll)
+ if (CCB->Status == BusLogic_CCB_Reset && CCB->TargetID == TargetID) {
+ Command = CCB->Command;
+ BusLogic_DeallocateCCB(CCB);
+ HostAdapter->ActiveCommands[TargetID]--;
+ Command->result = DID_RESET << 16;
+ Command->scsi_done(Command);
+ }
+ HostAdapter->BusDeviceResetPendingCCB[TargetID] = NULL;
+ } else {
+ /*
+ Translate the Completion Code, Host Adapter Status, and Target
+ Device Status into a SCSI Subsystem Result Code.
+ */
+ switch (CCB->CompletionCode) {
+ case BusLogic_IncomingMailboxFree:
+ case BusLogic_AbortedCommandNotFound:
+ case BusLogic_InvalidCCB:
+ BusLogic_Warning("CCB #%ld to Target %d Impossible State\n", HostAdapter, CCB->SerialNumber, CCB->TargetID);
+ break;
+ case BusLogic_CommandCompletedWithoutError:
+ HostAdapter->TargetStatistics[CCB->TargetID]
+ .CommandsCompleted++;
+ HostAdapter->TargetFlags[CCB->TargetID]
+ .CommandSuccessfulFlag = true;
+ Command->result = DID_OK << 16;
+ break;
+ case BusLogic_CommandAbortedAtHostRequest:
+ BusLogic_Warning("CCB #%ld to Target %d Aborted\n", HostAdapter, CCB->SerialNumber, CCB->TargetID);
+ BusLogic_IncrementErrorCounter(&HostAdapter->TargetStatistics[CCB->TargetID]
+ .CommandAbortsCompleted);
+ Command->result = DID_ABORT << 16;
+ break;
+ case BusLogic_CommandCompletedWithError:
+ Command->result = BusLogic_ComputeResultCode(HostAdapter, CCB->HostAdapterStatus, CCB->TargetDeviceStatus);
+ if (CCB->HostAdapterStatus != BusLogic_SCSISelectionTimeout) {
+ HostAdapter->TargetStatistics[CCB->TargetID]
+ .CommandsCompleted++;
+ if (BusLogic_GlobalOptions.TraceErrors) {
+ int i;
+ BusLogic_Notice("CCB #%ld Target %d: Result %X Host "
+ "Adapter Status %02X " "Target Status %02X\n", HostAdapter, CCB->SerialNumber, CCB->TargetID, Command->result, CCB->HostAdapterStatus, CCB->TargetDeviceStatus);
+ BusLogic_Notice("CDB ", HostAdapter);
+ for (i = 0; i < CCB->CDB_Length; i++)
+ BusLogic_Notice(" %02X", HostAdapter, CCB->CDB[i]);
+ BusLogic_Notice("\n", HostAdapter);
+ BusLogic_Notice("Sense ", HostAdapter);
+ for (i = 0; i < CCB->SenseDataLength; i++)
+ BusLogic_Notice(" %02X", HostAdapter, Command->sense_buffer[i]);
+ BusLogic_Notice("\n", HostAdapter);
+ }
+ }
+ break;
+ }
+ /*
+ When an INQUIRY command completes normally, save the
+ CmdQue (Tagged Queuing Supported) and WBus16 (16 Bit
+ Wide Data Transfers Supported) bits.
+ */
+ if (CCB->CDB[0] == INQUIRY && CCB->CDB[1] == 0 && CCB->HostAdapterStatus == BusLogic_CommandCompletedNormally) {
+ struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[CCB->TargetID];
+ struct SCSI_Inquiry *InquiryResult = (struct SCSI_Inquiry *) Command->request_buffer;
+ TargetFlags->TargetExists = true;
+ TargetFlags->TaggedQueuingSupported = InquiryResult->CmdQue;
+ TargetFlags->WideTransfersSupported = InquiryResult->WBus16;
+ }
+ /*
+ Place CCB back on the Host Adapter's free list.
+ */
+ BusLogic_DeallocateCCB(CCB);
+ /*
+ Call the SCSI Command Completion Routine.
+ */
+ Command->scsi_done(Command);
}
- break;
- }
- /*
- When an INQUIRY command completes normally, save the
- CmdQue (Tagged Queuing Supported) and WBus16 (16 Bit
- Wide Data Transfers Supported) bits.
- */
- if (CCB->CDB[0] == INQUIRY && CCB->CDB[1] == 0 &&
- CCB->HostAdapterStatus == BusLogic_CommandCompletedNormally)
- {
- struct BusLogic_TargetFlags *TargetFlags =
- &HostAdapter->TargetFlags[CCB->TargetID];
- struct SCSI_Inquiry *InquiryResult =
- (struct SCSI_Inquiry *) Command->request_buffer;
- TargetFlags->TargetExists = true;
- TargetFlags->TaggedQueuingSupported = InquiryResult->CmdQue;
- TargetFlags->WideTransfersSupported = InquiryResult->WBus16;
- }
- /*
- Place CCB back on the Host Adapter's free list.
- */
- BusLogic_DeallocateCCB(CCB);
- /*
- Call the SCSI Command Completion Routine.
- */
- Command->scsi_done(Command);
}
- }
- HostAdapter->ProcessCompletedCCBsActive = false;
+ HostAdapter->ProcessCompletedCCBsActive = false;
}
Adapters.
*/
-static irqreturn_t BusLogic_InterruptHandler(int IRQ_Channel,
- void *DeviceIdentifier,
- struct pt_regs *InterruptRegisters)
+static irqreturn_t BusLogic_InterruptHandler(int IRQ_Channel, void *DeviceIdentifier, struct pt_regs *InterruptRegisters)
{
- struct BusLogic_HostAdapter *HostAdapter =
- (struct BusLogic_HostAdapter *) DeviceIdentifier;
- unsigned long ProcessorFlags;
- /*
- Acquire exclusive access to Host Adapter.
- */
- BusLogic_AcquireHostAdapterLockIH(HostAdapter, &ProcessorFlags);
- /*
- Handle Interrupts appropriately for each Host Adapter type.
- */
- if (BusLogic_MultiMasterHostAdapterP(HostAdapter))
- {
- union BusLogic_InterruptRegister InterruptRegister;
- /*
- Read the Host Adapter Interrupt Register.
- */
- InterruptRegister.All = BusLogic_ReadInterruptRegister(HostAdapter);
- if (InterruptRegister.ir.InterruptValid)
- {
- /*
- Acknowledge the interrupt and reset the Host Adapter
- Interrupt Register.
- */
- BusLogic_InterruptReset(HostAdapter);
- /*
- Process valid External SCSI Bus Reset and Incoming Mailbox
- Loaded Interrupts. Command Complete Interrupts are noted,
- and Outgoing Mailbox Available Interrupts are ignored, as
- they are never enabled.
- */
- if (InterruptRegister.ir.ExternalBusReset)
- HostAdapter->HostAdapterExternalReset = true;
- else if (InterruptRegister.ir.IncomingMailboxLoaded)
- BusLogic_ScanIncomingMailboxes(HostAdapter);
- else if (InterruptRegister.ir.CommandComplete)
- HostAdapter->HostAdapterCommandCompleted = true;
+ struct BusLogic_HostAdapter *HostAdapter = (struct BusLogic_HostAdapter *) DeviceIdentifier;
+ unsigned long ProcessorFlags;
+ /*
+ Acquire exclusive access to Host Adapter.
+ */
+ BusLogic_AcquireHostAdapterLockIH(HostAdapter, &ProcessorFlags);
+ /*
+ Handle Interrupts appropriately for each Host Adapter type.
+ */
+ if (BusLogic_MultiMasterHostAdapterP(HostAdapter)) {
+ union BusLogic_InterruptRegister InterruptRegister;
+ /*
+ Read the Host Adapter Interrupt Register.
+ */
+ InterruptRegister.All = BusLogic_ReadInterruptRegister(HostAdapter);
+ if (InterruptRegister.ir.InterruptValid) {
+ /*
+ Acknowledge the interrupt and reset the Host Adapter
+ Interrupt Register.
+ */
+ BusLogic_InterruptReset(HostAdapter);
+ /*
+ Process valid External SCSI Bus Reset and Incoming Mailbox
+ Loaded Interrupts. Command Complete Interrupts are noted,
+ and Outgoing Mailbox Available Interrupts are ignored, as
+ they are never enabled.
+ */
+ if (InterruptRegister.ir.ExternalBusReset)
+ HostAdapter->HostAdapterExternalReset = true;
+ else if (InterruptRegister.ir.IncomingMailboxLoaded)
+ BusLogic_ScanIncomingMailboxes(HostAdapter);
+ else if (InterruptRegister.ir.CommandComplete)
+ HostAdapter->HostAdapterCommandCompleted = true;
+ }
+ } else {
+ /*
+ Check if there is a pending interrupt for this Host Adapter.
+ */
+ if (FlashPoint_InterruptPending(HostAdapter->CardHandle))
+ switch (FlashPoint_HandleInterrupt(HostAdapter->CardHandle)) {
+ case FlashPoint_NormalInterrupt:
+ break;
+ case FlashPoint_ExternalBusReset:
+ HostAdapter->HostAdapterExternalReset = true;
+ break;
+ case FlashPoint_InternalError:
+ BusLogic_Warning("Internal FlashPoint Error detected" " - Resetting Host Adapter\n", HostAdapter);
+ HostAdapter->HostAdapterInternalError = true;
+ break;
+ }
+ }
+ /*
+ Process any completed CCBs.
+ */
+ if (HostAdapter->FirstCompletedCCB != NULL)
+ BusLogic_ProcessCompletedCCBs(HostAdapter);
+ /*
+ Reset the Host Adapter if requested.
+ */
+ if (HostAdapter->HostAdapterExternalReset) {
+ BusLogic_Warning("Resetting %s due to External SCSI Bus Reset\n", HostAdapter, HostAdapter->FullModelName);
+ BusLogic_IncrementErrorCounter(&HostAdapter->ExternalHostAdapterResets);
+ BusLogic_ResetHostAdapter(HostAdapter, false);
+ HostAdapter->HostAdapterExternalReset = false;
+ } else if (HostAdapter->HostAdapterInternalError) {
+ BusLogic_Warning("Resetting %s due to Host Adapter Internal Error\n", HostAdapter, HostAdapter->FullModelName);
+ BusLogic_IncrementErrorCounter(&HostAdapter->HostAdapterInternalErrors);
+ BusLogic_ResetHostAdapter(HostAdapter, true);
+ HostAdapter->HostAdapterInternalError = false;
}
- }
- else
- {
- /*
- Check if there is a pending interrupt for this Host Adapter.
- */
- if (FlashPoint_InterruptPending(HostAdapter->CardHandle))
- switch (FlashPoint_HandleInterrupt(HostAdapter->CardHandle))
- {
- case FlashPoint_NormalInterrupt:
- break;
- case FlashPoint_ExternalBusReset:
- HostAdapter->HostAdapterExternalReset = true;
- break;
- case FlashPoint_InternalError:
- BusLogic_Warning("Internal FlashPoint Error detected"
- " - Resetting Host Adapter\n", HostAdapter);
- HostAdapter->HostAdapterInternalError = true;
- break;
- }
- }
- /*
- Process any completed CCBs.
- */
- if (HostAdapter->FirstCompletedCCB != NULL)
- BusLogic_ProcessCompletedCCBs(HostAdapter);
- /*
- Reset the Host Adapter if requested.
- */
- if (HostAdapter->HostAdapterExternalReset)
- {
- BusLogic_Warning("Resetting %s due to External SCSI Bus Reset\n",
- HostAdapter, HostAdapter->FullModelName);
- BusLogic_IncrementErrorCounter(&HostAdapter->ExternalHostAdapterResets);
- BusLogic_ResetHostAdapter(HostAdapter, false);
- HostAdapter->HostAdapterExternalReset = false;
- }
- else if (HostAdapter->HostAdapterInternalError)
- {
- BusLogic_Warning("Resetting %s due to Host Adapter Internal Error\n",
- HostAdapter, HostAdapter->FullModelName);
- BusLogic_IncrementErrorCounter(&HostAdapter->HostAdapterInternalErrors);
- BusLogic_ResetHostAdapter(HostAdapter, true);
- HostAdapter->HostAdapterInternalError = false;
- }
- /*
- Release exclusive access to Host Adapter.
- */
- BusLogic_ReleaseHostAdapterLockIH(HostAdapter, &ProcessorFlags);
- return IRQ_HANDLED;
+ /*
+ Release exclusive access to Host Adapter.
+ */
+ BusLogic_ReleaseHostAdapterLockIH(HostAdapter, &ProcessorFlags);
+ return IRQ_HANDLED;
}
*/
static boolean BusLogic_WriteOutgoingMailbox(struct BusLogic_HostAdapter
- *HostAdapter,
- enum BusLogic_ActionCode ActionCode,
- struct BusLogic_CCB *CCB)
+ *HostAdapter, enum BusLogic_ActionCode ActionCode, struct BusLogic_CCB *CCB)
{
- struct BusLogic_OutgoingMailbox *NextOutgoingMailbox;
- NextOutgoingMailbox = HostAdapter->NextOutgoingMailbox;
- if (NextOutgoingMailbox->ActionCode == BusLogic_OutgoingMailboxFree)
- {
- CCB->Status = BusLogic_CCB_Active;
- /*
- The CCB field must be written before the Action Code field since
- the Host Adapter is operating asynchronously and the locking code
- does not protect against simultaneous access by the Host Adapter.
- */
- NextOutgoingMailbox->CCB = CCB->DMA_Handle;
- NextOutgoingMailbox->ActionCode = ActionCode;
- BusLogic_StartMailboxCommand(HostAdapter);
- if (++NextOutgoingMailbox > HostAdapter->LastOutgoingMailbox)
- NextOutgoingMailbox = HostAdapter->FirstOutgoingMailbox;
- HostAdapter->NextOutgoingMailbox = NextOutgoingMailbox;
- if (ActionCode == BusLogic_MailboxStartCommand)
- {
- HostAdapter->ActiveCommands[CCB->TargetID]++;
- if (CCB->Opcode != BusLogic_BusDeviceReset)
- HostAdapter->TargetStatistics[CCB->TargetID].CommandsAttempted++;
+ struct BusLogic_OutgoingMailbox *NextOutgoingMailbox;
+ NextOutgoingMailbox = HostAdapter->NextOutgoingMailbox;
+ if (NextOutgoingMailbox->ActionCode == BusLogic_OutgoingMailboxFree) {
+ CCB->Status = BusLogic_CCB_Active;
+ /*
+ The CCB field must be written before the Action Code field since
+ the Host Adapter is operating asynchronously and the locking code
+ does not protect against simultaneous access by the Host Adapter.
+ */
+ NextOutgoingMailbox->CCB = CCB->DMA_Handle;
+ NextOutgoingMailbox->ActionCode = ActionCode;
+ BusLogic_StartMailboxCommand(HostAdapter);
+ if (++NextOutgoingMailbox > HostAdapter->LastOutgoingMailbox)
+ NextOutgoingMailbox = HostAdapter->FirstOutgoingMailbox;
+ HostAdapter->NextOutgoingMailbox = NextOutgoingMailbox;
+ if (ActionCode == BusLogic_MailboxStartCommand) {
+ HostAdapter->ActiveCommands[CCB->TargetID]++;
+ if (CCB->Opcode != BusLogic_BusDeviceReset)
+ HostAdapter->TargetStatistics[CCB->TargetID].CommandsAttempted++;
+ }
+ return true;
}
- return true;
- }
- return false;
+ return false;
}
/* Error Handling (EH) support */
-static int BusLogic_host_reset(Scsi_Cmnd *SCpnt)
+static int BusLogic_host_reset(Scsi_Cmnd * SCpnt)
{
- struct BusLogic_HostAdapter *HostAdapter =
- (struct BusLogic_HostAdapter *) SCpnt->device->host->hostdata;
+ struct BusLogic_HostAdapter *HostAdapter = (struct BusLogic_HostAdapter *) SCpnt->device->host->hostdata;
unsigned int id = SCpnt->device->id;
struct BusLogic_TargetStatistics *stats = &HostAdapter->TargetStatistics[id];
Outgoing Mailbox for execution by the associated Host Adapter.
*/
-static int BusLogic_QueueCommand(struct scsi_cmnd *Command,
- void (*CompletionRoutine)(struct scsi_cmnd *))
+static int BusLogic_QueueCommand(struct scsi_cmnd *Command, void (*CompletionRoutine) (struct scsi_cmnd *))
{
- struct BusLogic_HostAdapter *HostAdapter =
- (struct BusLogic_HostAdapter *) Command->device->host->hostdata;
- struct BusLogic_TargetFlags *TargetFlags =
- &HostAdapter->TargetFlags[Command->device->id];
- struct BusLogic_TargetStatistics *TargetStatistics =
- HostAdapter->TargetStatistics;
- unsigned char *CDB = Command->cmnd;
- int CDB_Length = Command->cmd_len;
- int TargetID = Command->device->id;
- int LogicalUnit = Command->device->lun;
- void *BufferPointer = Command->request_buffer;
- int BufferLength = Command->request_bufflen;
- int SegmentCount = Command->use_sg;
- struct BusLogic_CCB *CCB;
- /*
- SCSI REQUEST_SENSE commands will be executed automatically by the Host
- Adapter for any errors, so they should not be executed explicitly unless
- the Sense Data is zero indicating that no error occurred.
- */
- if (CDB[0] == REQUEST_SENSE && Command->sense_buffer[0] != 0)
- {
- Command->result = DID_OK << 16;
- CompletionRoutine(Command);
- return 0;
- }
- /*
- Allocate a CCB from the Host Adapter's free list. In the unlikely event
- that there are none available and memory allocation fails, wait 1 second
- and try again. If that fails, the Host Adapter is probably hung so signal
- an error as a Host Adapter Hard Reset should be initiated soon.
- */
- CCB = BusLogic_AllocateCCB(HostAdapter);
- if (CCB == NULL)
- {
- BusLogic_ReleaseHostAdapterLock(HostAdapter);
- BusLogic_Delay(1);
- BusLogic_AcquireHostAdapterLock(HostAdapter);
- CCB = BusLogic_AllocateCCB(HostAdapter);
- if (CCB == NULL)
- {
- Command->result = DID_ERROR << 16;
- CompletionRoutine(Command);
- return 0;
- }
- }
- /*
- Initialize the fields in the BusLogic Command Control Block (CCB).
- */
- if (SegmentCount == 0 && BufferLength != 0)
- {
- CCB->Opcode = BusLogic_InitiatorCCB;
- CCB->DataLength = BufferLength;
- CCB->DataPointer =
- pci_map_single(HostAdapter->PCI_Device, BufferPointer, BufferLength,
- scsi_to_pci_dma_dir(Command->sc_data_direction));
- }
- else if (SegmentCount != 0)
- {
- struct scatterlist *ScatterList = (struct scatterlist *) BufferPointer;
- int Segment, Count;
-
- Count = pci_map_sg(HostAdapter->PCI_Device, ScatterList, SegmentCount,
- scsi_to_pci_dma_dir(Command->sc_data_direction));
- CCB->Opcode = BusLogic_InitiatorCCB_ScatterGather;
- CCB->DataLength = Count * sizeof(struct BusLogic_ScatterGatherSegment);
- if (BusLogic_MultiMasterHostAdapterP(HostAdapter))
- CCB->DataPointer = (unsigned int)CCB->DMA_Handle +
- ((unsigned long)&CCB->ScatterGatherList -
- (unsigned long)CCB);
- else CCB->DataPointer = Virtual_to_32Bit_Virtual(CCB->ScatterGatherList);
- for (Segment = 0; Segment < Count; Segment++)
- {
- CCB->ScatterGatherList[Segment].SegmentByteCount =
- sg_dma_len(ScatterList+Segment);
- CCB->ScatterGatherList[Segment].SegmentDataPointer =
- sg_dma_address(ScatterList+Segment);
- }
- }
- else
- {
- CCB->Opcode = BusLogic_InitiatorCCB;
- CCB->DataLength = BufferLength;
- CCB->DataPointer = 0;
- }
- switch (CDB[0])
- {
- case READ_6:
- case READ_10:
- CCB->DataDirection = BusLogic_DataInLengthChecked;
- TargetStatistics[TargetID].ReadCommands++;
- BusLogic_IncrementByteCounter(
- &TargetStatistics[TargetID].TotalBytesRead, BufferLength);
- BusLogic_IncrementSizeBucket(
- TargetStatistics[TargetID].ReadCommandSizeBuckets, BufferLength);
- break;
- case WRITE_6:
- case WRITE_10:
- CCB->DataDirection = BusLogic_DataOutLengthChecked;
- TargetStatistics[TargetID].WriteCommands++;
- BusLogic_IncrementByteCounter(
- &TargetStatistics[TargetID].TotalBytesWritten, BufferLength);
- BusLogic_IncrementSizeBucket(
- TargetStatistics[TargetID].WriteCommandSizeBuckets, BufferLength);
- break;
- default:
- CCB->DataDirection = BusLogic_UncheckedDataTransfer;
- break;
- }
- CCB->CDB_Length = CDB_Length;
- CCB->HostAdapterStatus = 0;
- CCB->TargetDeviceStatus = 0;
- CCB->TargetID = TargetID;
- CCB->LogicalUnit = LogicalUnit;
- CCB->TagEnable = false;
- CCB->LegacyTagEnable = false;
- /*
- BusLogic recommends that after a Reset the first couple of commands that
- are sent to a Target Device be sent in a non Tagged Queue fashion so that
- the Host Adapter and Target Device can establish Synchronous and Wide
- Transfer before Queue Tag messages can interfere with the Synchronous and
- Wide Negotiation messages. By waiting to enable Tagged Queuing until after
- the first BusLogic_MaxTaggedQueueDepth commands have been queued, it is
- assured that after a Reset any pending commands are requeued before Tagged
- Queuing is enabled and that the Tagged Queuing message will not occur while
- the partition table is being printed. In addition, some devices do not
- properly handle the transition from non-tagged to tagged commands, so it is
- necessary to wait until there are no pending commands for a target device
- before queuing tagged commands.
- */
- if (HostAdapter->CommandsSinceReset[TargetID]++ >=
- BusLogic_MaxTaggedQueueDepth &&
- !TargetFlags->TaggedQueuingActive &&
- HostAdapter->ActiveCommands[TargetID] == 0 &&
- TargetFlags->TaggedQueuingSupported &&
- (HostAdapter->TaggedQueuingPermitted & (1 << TargetID)))
- {
- TargetFlags->TaggedQueuingActive = true;
- BusLogic_Notice("Tagged Queuing now active for Target %d\n",
- HostAdapter, TargetID);
- }
- if (TargetFlags->TaggedQueuingActive)
- {
- enum BusLogic_QueueTag QueueTag = BusLogic_SimpleQueueTag;
- /*
- When using Tagged Queuing with Simple Queue Tags, it appears that disk
- drive controllers do not guarantee that a queued command will not
- remain in a disconnected state indefinitely if commands that read or
- write nearer the head position continue to arrive without interruption.
- Therefore, for each Target Device this driver keeps track of the last
- time either the queue was empty or an Ordered Queue Tag was issued. If
- more than 4 seconds (one fifth of the 20 second disk timeout) have
- elapsed since this last sequence point, this command will be issued
- with an Ordered Queue Tag rather than a Simple Queue Tag, which forces
- the Target Device to complete all previously queued commands before
- this command may be executed.
- */
- if (HostAdapter->ActiveCommands[TargetID] == 0)
- HostAdapter->LastSequencePoint[TargetID] = jiffies;
- else if (jiffies - HostAdapter->LastSequencePoint[TargetID] > 4*HZ)
- {
- HostAdapter->LastSequencePoint[TargetID] = jiffies;
- QueueTag = BusLogic_OrderedQueueTag;
- }
- if (HostAdapter->ExtendedLUNSupport)
- {
- CCB->TagEnable = true;
- CCB->QueueTag = QueueTag;
+ struct BusLogic_HostAdapter *HostAdapter = (struct BusLogic_HostAdapter *) Command->device->host->hostdata;
+ struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[Command->device->id];
+ struct BusLogic_TargetStatistics *TargetStatistics = HostAdapter->TargetStatistics;
+ unsigned char *CDB = Command->cmnd;
+ int CDB_Length = Command->cmd_len;
+ int TargetID = Command->device->id;
+ int LogicalUnit = Command->device->lun;
+ void *BufferPointer = Command->request_buffer;
+ int BufferLength = Command->request_bufflen;
+ int SegmentCount = Command->use_sg;
+ struct BusLogic_CCB *CCB;
+ /*
+ SCSI REQUEST_SENSE commands will be executed automatically by the Host
+ Adapter for any errors, so they should not be executed explicitly unless
+ the Sense Data is zero indicating that no error occurred.
+ */
+ if (CDB[0] == REQUEST_SENSE && Command->sense_buffer[0] != 0) {
+ Command->result = DID_OK << 16;
+ CompletionRoutine(Command);
+ return 0;
}
- else
- {
- CCB->LegacyTagEnable = true;
- CCB->LegacyQueueTag = QueueTag;
+ /*
+ Allocate a CCB from the Host Adapter's free list. In the unlikely event
+ that there are none available and memory allocation fails, wait 1 second
+ and try again. If that fails, the Host Adapter is probably hung so signal
+ an error as a Host Adapter Hard Reset should be initiated soon.
+ */
+ CCB = BusLogic_AllocateCCB(HostAdapter);
+ if (CCB == NULL) {
+ BusLogic_ReleaseHostAdapterLock(HostAdapter);
+ BusLogic_Delay(1);
+ BusLogic_AcquireHostAdapterLock(HostAdapter);
+ CCB = BusLogic_AllocateCCB(HostAdapter);
+ if (CCB == NULL) {
+ Command->result = DID_ERROR << 16;
+ CompletionRoutine(Command);
+ return 0;
+ }
}
- }
- memcpy(CCB->CDB, CDB, CDB_Length);
- CCB->SenseDataLength = sizeof(Command->sense_buffer);
- CCB->SenseDataPointer = pci_map_single(HostAdapter->PCI_Device,
- Command->sense_buffer,
- CCB->SenseDataLength,
- PCI_DMA_FROMDEVICE);
- CCB->Command = Command;
- Command->scsi_done = CompletionRoutine;
- if (BusLogic_MultiMasterHostAdapterP(HostAdapter))
- {
- /*
- Place the CCB in an Outgoing Mailbox. The higher levels of the SCSI
- Subsystem should not attempt to queue more commands than can be placed
- in Outgoing Mailboxes, so there should always be one free. In the
- unlikely event that there are none available, wait 1 second and try
- again. If that fails, the Host Adapter is probably hung so signal an
- error as a Host Adapter Hard Reset should be initiated soon.
- */
- if (!BusLogic_WriteOutgoingMailbox(
- HostAdapter, BusLogic_MailboxStartCommand, CCB))
- {
- BusLogic_ReleaseHostAdapterLock(HostAdapter);
- BusLogic_Warning("Unable to write Outgoing Mailbox - "
- "Pausing for 1 second\n", HostAdapter);
- BusLogic_Delay(1);
- BusLogic_AcquireHostAdapterLock(HostAdapter);
- if (!BusLogic_WriteOutgoingMailbox(
- HostAdapter, BusLogic_MailboxStartCommand, CCB))
- {
- BusLogic_Warning("Still unable to write Outgoing Mailbox - "
- "Host Adapter Dead?\n", HostAdapter);
- BusLogic_DeallocateCCB(CCB);
- Command->result = DID_ERROR << 16;
- Command->scsi_done(Command);
- }
+ /*
+ Initialize the fields in the BusLogic Command Control Block (CCB).
+ */
+ if (SegmentCount == 0 && BufferLength != 0) {
+ CCB->Opcode = BusLogic_InitiatorCCB;
+ CCB->DataLength = BufferLength;
+ CCB->DataPointer = pci_map_single(HostAdapter->PCI_Device, BufferPointer, BufferLength, scsi_to_pci_dma_dir(Command->sc_data_direction));
+ } else if (SegmentCount != 0) {
+ struct scatterlist *ScatterList = (struct scatterlist *) BufferPointer;
+ int Segment, Count;
+
+ Count = pci_map_sg(HostAdapter->PCI_Device, ScatterList, SegmentCount, scsi_to_pci_dma_dir(Command->sc_data_direction));
+ CCB->Opcode = BusLogic_InitiatorCCB_ScatterGather;
+ CCB->DataLength = Count * sizeof(struct BusLogic_ScatterGatherSegment);
+ if (BusLogic_MultiMasterHostAdapterP(HostAdapter))
+ CCB->DataPointer = (unsigned int) CCB->DMA_Handle + ((unsigned long) &CCB->ScatterGatherList - (unsigned long) CCB);
+ else
+ CCB->DataPointer = Virtual_to_32Bit_Virtual(CCB->ScatterGatherList);
+ for (Segment = 0; Segment < Count; Segment++) {
+ CCB->ScatterGatherList[Segment].SegmentByteCount = sg_dma_len(ScatterList + Segment);
+ CCB->ScatterGatherList[Segment].SegmentDataPointer = sg_dma_address(ScatterList + Segment);
+ }
+ } else {
+ CCB->Opcode = BusLogic_InitiatorCCB;
+ CCB->DataLength = BufferLength;
+ CCB->DataPointer = 0;
+ }
+ switch (CDB[0]) {
+ case READ_6:
+ case READ_10:
+ CCB->DataDirection = BusLogic_DataInLengthChecked;
+ TargetStatistics[TargetID].ReadCommands++;
+ BusLogic_IncrementByteCounter(&TargetStatistics[TargetID].TotalBytesRead, BufferLength);
+ BusLogic_IncrementSizeBucket(TargetStatistics[TargetID].ReadCommandSizeBuckets, BufferLength);
+ break;
+ case WRITE_6:
+ case WRITE_10:
+ CCB->DataDirection = BusLogic_DataOutLengthChecked;
+ TargetStatistics[TargetID].WriteCommands++;
+ BusLogic_IncrementByteCounter(&TargetStatistics[TargetID].TotalBytesWritten, BufferLength);
+ BusLogic_IncrementSizeBucket(TargetStatistics[TargetID].WriteCommandSizeBuckets, BufferLength);
+ break;
+ default:
+ CCB->DataDirection = BusLogic_UncheckedDataTransfer;
+ break;
+ }
+ CCB->CDB_Length = CDB_Length;
+ CCB->HostAdapterStatus = 0;
+ CCB->TargetDeviceStatus = 0;
+ CCB->TargetID = TargetID;
+ CCB->LogicalUnit = LogicalUnit;
+ CCB->TagEnable = false;
+ CCB->LegacyTagEnable = false;
+ /*
+ BusLogic recommends that after a Reset the first couple of commands that
+ are sent to a Target Device be sent in a non Tagged Queue fashion so that
+ the Host Adapter and Target Device can establish Synchronous and Wide
+ Transfer before Queue Tag messages can interfere with the Synchronous and
+ Wide Negotiation messages. By waiting to enable Tagged Queuing until after
+ the first BusLogic_MaxTaggedQueueDepth commands have been queued, it is
+ assured that after a Reset any pending commands are requeued before Tagged
+ Queuing is enabled and that the Tagged Queuing message will not occur while
+ the partition table is being printed. In addition, some devices do not
+ properly handle the transition from non-tagged to tagged commands, so it is
+ necessary to wait until there are no pending commands for a target device
+ before queuing tagged commands.
+ */
+ if (HostAdapter->CommandsSinceReset[TargetID]++ >=
+ BusLogic_MaxTaggedQueueDepth && !TargetFlags->TaggedQueuingActive && HostAdapter->ActiveCommands[TargetID] == 0 && TargetFlags->TaggedQueuingSupported && (HostAdapter->TaggedQueuingPermitted & (1 << TargetID))) {
+ TargetFlags->TaggedQueuingActive = true;
+ BusLogic_Notice("Tagged Queuing now active for Target %d\n", HostAdapter, TargetID);
+ }
+ if (TargetFlags->TaggedQueuingActive) {
+ enum BusLogic_QueueTag QueueTag = BusLogic_SimpleQueueTag;
+ /*
+ When using Tagged Queuing with Simple Queue Tags, it appears that disk
+ drive controllers do not guarantee that a queued command will not
+ remain in a disconnected state indefinitely if commands that read or
+ write nearer the head position continue to arrive without interruption.
+ Therefore, for each Target Device this driver keeps track of the last
+ time either the queue was empty or an Ordered Queue Tag was issued. If
+ more than 4 seconds (one fifth of the 20 second disk timeout) have
+ elapsed since this last sequence point, this command will be issued
+ with an Ordered Queue Tag rather than a Simple Queue Tag, which forces
+ the Target Device to complete all previously queued commands before
+ this command may be executed.
+ */
+ if (HostAdapter->ActiveCommands[TargetID] == 0)
+ HostAdapter->LastSequencePoint[TargetID] = jiffies;
+ else if (jiffies - HostAdapter->LastSequencePoint[TargetID] > 4 * HZ) {
+ HostAdapter->LastSequencePoint[TargetID] = jiffies;
+ QueueTag = BusLogic_OrderedQueueTag;
+ }
+ if (HostAdapter->ExtendedLUNSupport) {
+ CCB->TagEnable = true;
+ CCB->QueueTag = QueueTag;
+ } else {
+ CCB->LegacyTagEnable = true;
+ CCB->LegacyQueueTag = QueueTag;
+ }
}
- }
- else
- {
- /*
- Call the FlashPoint SCCB Manager to start execution of the CCB.
- */
- CCB->Status = BusLogic_CCB_Active;
- HostAdapter->ActiveCommands[TargetID]++;
- TargetStatistics[TargetID].CommandsAttempted++;
- FlashPoint_StartCCB(HostAdapter->CardHandle, CCB);
- /*
- The Command may have already completed and BusLogic_QueueCompletedCCB
- been called, or it may still be pending.
- */
- if (CCB->Status == BusLogic_CCB_Completed)
- BusLogic_ProcessCompletedCCBs(HostAdapter);
- }
- return 0;
+ memcpy(CCB->CDB, CDB, CDB_Length);
+ CCB->SenseDataLength = sizeof(Command->sense_buffer);
+ CCB->SenseDataPointer = pci_map_single(HostAdapter->PCI_Device, Command->sense_buffer, CCB->SenseDataLength, PCI_DMA_FROMDEVICE);
+ CCB->Command = Command;
+ Command->scsi_done = CompletionRoutine;
+ if (BusLogic_MultiMasterHostAdapterP(HostAdapter)) {
+ /*
+ Place the CCB in an Outgoing Mailbox. The higher levels of the SCSI
+ Subsystem should not attempt to queue more commands than can be placed
+ in Outgoing Mailboxes, so there should always be one free. In the
+ unlikely event that there are none available, wait 1 second and try
+ again. If that fails, the Host Adapter is probably hung so signal an
+ error as a Host Adapter Hard Reset should be initiated soon.
+ */
+ if (!BusLogic_WriteOutgoingMailbox(HostAdapter, BusLogic_MailboxStartCommand, CCB)) {
+ BusLogic_ReleaseHostAdapterLock(HostAdapter);
+ BusLogic_Warning("Unable to write Outgoing Mailbox - " "Pausing for 1 second\n", HostAdapter);
+ BusLogic_Delay(1);
+ BusLogic_AcquireHostAdapterLock(HostAdapter);
+ if (!BusLogic_WriteOutgoingMailbox(HostAdapter, BusLogic_MailboxStartCommand, CCB)) {
+ BusLogic_Warning("Still unable to write Outgoing Mailbox - " "Host Adapter Dead?\n", HostAdapter);
+ BusLogic_DeallocateCCB(CCB);
+ Command->result = DID_ERROR << 16;
+ Command->scsi_done(Command);
+ }
+ }
+ } else {
+ /*
+ Call the FlashPoint SCCB Manager to start execution of the CCB.
+ */
+ CCB->Status = BusLogic_CCB_Active;
+ HostAdapter->ActiveCommands[TargetID]++;
+ TargetStatistics[TargetID].CommandsAttempted++;
+ FlashPoint_StartCCB(HostAdapter->CardHandle, CCB);
+ /*
+ The Command may have already completed and BusLogic_QueueCompletedCCB
+ been called, or it may still be pending.
+ */
+ if (CCB->Status == BusLogic_CCB_Completed)
+ BusLogic_ProcessCompletedCCBs(HostAdapter);
+ }
+ return 0;
}
static int BusLogic_AbortCommand(struct scsi_cmnd *Command)
{
- struct BusLogic_HostAdapter *HostAdapter =
- (struct BusLogic_HostAdapter *) Command->device->host->hostdata;
-
- int TargetID = Command->device->id;
- struct BusLogic_CCB *CCB;
- BusLogic_IncrementErrorCounter(
- &HostAdapter->TargetStatistics[TargetID].CommandAbortsRequested);
- /*
- If this Command has already completed, then no Abort is necessary.
- */
- if (Command->serial_number != Command->serial_number_at_timeout)
- {
- BusLogic_Warning("Unable to Abort Command to Target %d - "
- "Already Completed\n", HostAdapter, TargetID);
- return SUCCESS;
- }
- /*
- Attempt to find an Active CCB for this Command. If no Active CCB for this
- Command is found, then no Abort is necessary.
- */
- for (CCB = HostAdapter->All_CCBs; CCB != NULL; CCB = CCB->NextAll)
- if (CCB->Command == Command) break;
- if (CCB == NULL)
- {
- BusLogic_Warning("Unable to Abort Command to Target %d - "
- "No CCB Found\n", HostAdapter, TargetID);
- return SUCCESS;
- }
- else if (CCB->Status == BusLogic_CCB_Completed)
- {
- BusLogic_Warning("Unable to Abort Command to Target %d - "
- "CCB Completed\n", HostAdapter, TargetID);
- return SUCCESS;
- }
- else if (CCB->Status == BusLogic_CCB_Reset)
- {
- BusLogic_Warning("Unable to Abort Command to Target %d - "
- "CCB Reset\n", HostAdapter, TargetID);
- return SUCCESS;
- }
- if (BusLogic_MultiMasterHostAdapterP(HostAdapter))
- {
- /*
- Attempt to Abort this CCB. MultiMaster Firmware versions prior to 5.xx
- do not generate Abort Tag messages, but only generate the non-tagged
- Abort message. Since non-tagged commands are not sent by the Host
- Adapter until the queue of outstanding tagged commands has completed,
- and the Abort message is treated as a non-tagged command, it is
- effectively impossible to abort commands when Tagged Queuing is active.
- Firmware version 5.xx does generate Abort Tag messages, so it is
- possible to abort commands when Tagged Queuing is active.
- */
- if (HostAdapter->TargetFlags[TargetID].TaggedQueuingActive &&
- HostAdapter->FirmwareVersion[0] < '5')
- {
- BusLogic_Warning("Unable to Abort CCB #%ld to Target %d - "
- "Abort Tag Not Supported\n",
- HostAdapter, CCB->SerialNumber, TargetID);
- return FAILURE;
- }
- else if (BusLogic_WriteOutgoingMailbox(
- HostAdapter, BusLogic_MailboxAbortCommand, CCB))
- {
- BusLogic_Warning("Aborting CCB #%ld to Target %d\n",
- HostAdapter, CCB->SerialNumber, TargetID);
- BusLogic_IncrementErrorCounter(
- &HostAdapter->TargetStatistics[TargetID].CommandAbortsAttempted);
- return SUCCESS;
- }
- else
- {
- BusLogic_Warning("Unable to Abort CCB #%ld to Target %d - "
- "No Outgoing Mailboxes\n",
- HostAdapter, CCB->SerialNumber, TargetID);
- return FAILURE;
+ struct BusLogic_HostAdapter *HostAdapter = (struct BusLogic_HostAdapter *) Command->device->host->hostdata;
+
+ int TargetID = Command->device->id;
+ struct BusLogic_CCB *CCB;
+ BusLogic_IncrementErrorCounter(&HostAdapter->TargetStatistics[TargetID].CommandAbortsRequested);
+ /*
+ If this Command has already completed, then no Abort is necessary.
+ */
+ if (Command->serial_number != Command->serial_number_at_timeout) {
+ BusLogic_Warning("Unable to Abort Command to Target %d - " "Already Completed\n", HostAdapter, TargetID);
+ return SUCCESS;
}
- }
- else
- {
- /*
- Call the FlashPoint SCCB Manager to abort execution of the CCB.
- */
- BusLogic_Warning("Aborting CCB #%ld to Target %d\n",
- HostAdapter, CCB->SerialNumber, TargetID);
- BusLogic_IncrementErrorCounter(
- &HostAdapter->TargetStatistics[TargetID].CommandAbortsAttempted);
- FlashPoint_AbortCCB(HostAdapter->CardHandle, CCB);
- /*
- The Abort may have already been completed and
- BusLogic_QueueCompletedCCB been called, or it
- may still be pending.
- */
- if (CCB->Status == BusLogic_CCB_Completed)
- {
- BusLogic_ProcessCompletedCCBs(HostAdapter);
+ /*
+ Attempt to find an Active CCB for this Command. If no Active CCB for this
+ Command is found, then no Abort is necessary.
+ */
+ for (CCB = HostAdapter->All_CCBs; CCB != NULL; CCB = CCB->NextAll)
+ if (CCB->Command == Command)
+ break;
+ if (CCB == NULL) {
+ BusLogic_Warning("Unable to Abort Command to Target %d - " "No CCB Found\n", HostAdapter, TargetID);
+ return SUCCESS;
+ } else if (CCB->Status == BusLogic_CCB_Completed) {
+ BusLogic_Warning("Unable to Abort Command to Target %d - " "CCB Completed\n", HostAdapter, TargetID);
+ return SUCCESS;
+ } else if (CCB->Status == BusLogic_CCB_Reset) {
+ BusLogic_Warning("Unable to Abort Command to Target %d - " "CCB Reset\n", HostAdapter, TargetID);
+ return SUCCESS;
+ }
+ if (BusLogic_MultiMasterHostAdapterP(HostAdapter)) {
+ /*
+ Attempt to Abort this CCB. MultiMaster Firmware versions prior to 5.xx
+ do not generate Abort Tag messages, but only generate the non-tagged
+ Abort message. Since non-tagged commands are not sent by the Host
+ Adapter until the queue of outstanding tagged commands has completed,
+ and the Abort message is treated as a non-tagged command, it is
+ effectively impossible to abort commands when Tagged Queuing is active.
+ Firmware version 5.xx does generate Abort Tag messages, so it is
+ possible to abort commands when Tagged Queuing is active.
+ */
+ if (HostAdapter->TargetFlags[TargetID].TaggedQueuingActive && HostAdapter->FirmwareVersion[0] < '5') {
+ BusLogic_Warning("Unable to Abort CCB #%ld to Target %d - " "Abort Tag Not Supported\n", HostAdapter, CCB->SerialNumber, TargetID);
+ return FAILURE;
+ } else if (BusLogic_WriteOutgoingMailbox(HostAdapter, BusLogic_MailboxAbortCommand, CCB)) {
+ BusLogic_Warning("Aborting CCB #%ld to Target %d\n", HostAdapter, CCB->SerialNumber, TargetID);
+ BusLogic_IncrementErrorCounter(&HostAdapter->TargetStatistics[TargetID].CommandAbortsAttempted);
+ return SUCCESS;
+ } else {
+ BusLogic_Warning("Unable to Abort CCB #%ld to Target %d - " "No Outgoing Mailboxes\n", HostAdapter, CCB->SerialNumber, TargetID);
+ return FAILURE;
+ }
+ } else {
+ /*
+ Call the FlashPoint SCCB Manager to abort execution of the CCB.
+ */
+ BusLogic_Warning("Aborting CCB #%ld to Target %d\n", HostAdapter, CCB->SerialNumber, TargetID);
+ BusLogic_IncrementErrorCounter(&HostAdapter->TargetStatistics[TargetID].CommandAbortsAttempted);
+ FlashPoint_AbortCCB(HostAdapter->CardHandle, CCB);
+ /*
+ The Abort may have already been completed and
+ BusLogic_QueueCompletedCCB been called, or it
+ may still be pending.
+ */
+ if (CCB->Status == BusLogic_CCB_Completed) {
+ BusLogic_ProcessCompletedCCBs(HostAdapter);
+ }
+ return SUCCESS;
}
- return SUCCESS;
- }
- return SUCCESS;
+ return SUCCESS;
}
/*
currently executing SCSI Commands as having been Reset.
*/
-static int BusLogic_ResetHostAdapter(struct BusLogic_HostAdapter *HostAdapter,
- boolean HardReset)
+static int BusLogic_ResetHostAdapter(struct BusLogic_HostAdapter *HostAdapter, boolean HardReset)
{
struct BusLogic_CCB *CCB;
int TargetID;
* Attempt to Reset and Reinitialize the Host Adapter.
*/
- if (!(BusLogic_HardwareResetHostAdapter(HostAdapter, HardReset) &&
- BusLogic_InitializeHostAdapter(HostAdapter))) {
- BusLogic_Error("Resetting %s Failed\n", HostAdapter,
- HostAdapter->FullModelName);
+ if (!(BusLogic_HardwareResetHostAdapter(HostAdapter, HardReset) && BusLogic_InitializeHostAdapter(HostAdapter))) {
+ BusLogic_Error("Resetting %s Failed\n", HostAdapter, HostAdapter->FullModelName);
return FAILURE;
}
the BIOS, and a warning may be displayed.
*/
-static int BusLogic_BIOSDiskParameters(struct scsi_device *sdev, struct block_device *Device,
- sector_t capacity, int *Parameters)
+static int BusLogic_BIOSDiskParameters(struct scsi_device *sdev, struct block_device *Device, sector_t capacity, int *Parameters)
{
- struct BusLogic_HostAdapter *HostAdapter = (struct BusLogic_HostAdapter *) sdev->host->hostdata;
- struct BIOS_DiskParameters *DiskParameters = (struct BIOS_DiskParameters *) Parameters;
- unsigned char *buf;
- if (HostAdapter->ExtendedTranslationEnabled &&
- capacity >= 2*1024*1024 /* 1 GB in 512 byte sectors */)
- {
- if (capacity >= 4*1024*1024 /* 2 GB in 512 byte sectors */)
- {
- DiskParameters->Heads = 255;
- DiskParameters->Sectors = 63;
- }
- else
- {
- DiskParameters->Heads = 128;
- DiskParameters->Sectors = 32;
- }
- }
- else
- {
- DiskParameters->Heads = 64;
- DiskParameters->Sectors = 32;
- }
- DiskParameters->Cylinders =
- (unsigned long)capacity / (DiskParameters->Heads * DiskParameters->Sectors);
- buf = scsi_bios_ptable(Device);
- if (buf == NULL) return 0;
- /*
- If the boot sector partition table flag is valid, search for a partition
- table entry whose end_head matches one of the standard BusLogic geometry
- translations (64/32, 128/32, or 255/63).
- */
- if (*(unsigned short *) (buf+64) == 0xAA55)
- {
- struct partition *FirstPartitionEntry = (struct partition *) buf;
- struct partition *PartitionEntry = FirstPartitionEntry;
- int SavedCylinders = DiskParameters->Cylinders, PartitionNumber;
- unsigned char PartitionEntryEndHead=0, PartitionEntryEndSector=0;
- for (PartitionNumber = 0; PartitionNumber < 4; PartitionNumber++)
- {
- PartitionEntryEndHead = PartitionEntry->end_head;
- PartitionEntryEndSector = PartitionEntry->end_sector & 0x3F;
- if (PartitionEntryEndHead == 64-1)
- {
- DiskParameters->Heads = 64;
- DiskParameters->Sectors = 32;
- break;
- }
- else if (PartitionEntryEndHead == 128-1)
- {
- DiskParameters->Heads = 128;
- DiskParameters->Sectors = 32;
- break;
- }
- else if (PartitionEntryEndHead == 255-1)
- {
- DiskParameters->Heads = 255;
- DiskParameters->Sectors = 63;
- break;
- }
- PartitionEntry++;
- }
- if (PartitionNumber == 4)
- {
- PartitionEntryEndHead = FirstPartitionEntry->end_head;
- PartitionEntryEndSector = FirstPartitionEntry->end_sector & 0x3F;
- }
- DiskParameters->Cylinders =
- (unsigned long)capacity / (DiskParameters->Heads * DiskParameters->Sectors);
- if (PartitionNumber < 4 &&
- PartitionEntryEndSector == DiskParameters->Sectors)
- {
- if (DiskParameters->Cylinders != SavedCylinders)
- BusLogic_Warning("Adopting Geometry %d/%d from Partition Table\n",
- HostAdapter,
- DiskParameters->Heads, DiskParameters->Sectors);
+ struct BusLogic_HostAdapter *HostAdapter = (struct BusLogic_HostAdapter *) sdev->host->hostdata;
+ struct BIOS_DiskParameters *DiskParameters = (struct BIOS_DiskParameters *) Parameters;
+ unsigned char *buf;
+ if (HostAdapter->ExtendedTranslationEnabled && capacity >= 2 * 1024 * 1024 /* 1 GB in 512 byte sectors */ ) {
+ if (capacity >= 4 * 1024 * 1024 /* 2 GB in 512 byte sectors */ ) {
+ DiskParameters->Heads = 255;
+ DiskParameters->Sectors = 63;
+ } else {
+ DiskParameters->Heads = 128;
+ DiskParameters->Sectors = 32;
+ }
+ } else {
+ DiskParameters->Heads = 64;
+ DiskParameters->Sectors = 32;
}
- else if (PartitionEntryEndHead > 0 || PartitionEntryEndSector > 0)
- {
- BusLogic_Warning("Warning: Partition Table appears to "
- "have Geometry %d/%d which is\n", HostAdapter,
- PartitionEntryEndHead + 1,
- PartitionEntryEndSector);
- BusLogic_Warning("not compatible with current BusLogic "
- "Host Adapter Geometry %d/%d\n", HostAdapter,
- DiskParameters->Heads, DiskParameters->Sectors);
+ DiskParameters->Cylinders = (unsigned long) capacity / (DiskParameters->Heads * DiskParameters->Sectors);
+ buf = scsi_bios_ptable(Device);
+ if (buf == NULL)
+ return 0;
+ /*
+ If the boot sector partition table flag is valid, search for a partition
+ table entry whose end_head matches one of the standard BusLogic geometry
+ translations (64/32, 128/32, or 255/63).
+ */
+ if (*(unsigned short *) (buf + 64) == 0xAA55) {
+ struct partition *FirstPartitionEntry = (struct partition *) buf;
+ struct partition *PartitionEntry = FirstPartitionEntry;
+ int SavedCylinders = DiskParameters->Cylinders, PartitionNumber;
+ unsigned char PartitionEntryEndHead = 0, PartitionEntryEndSector = 0;
+ for (PartitionNumber = 0; PartitionNumber < 4; PartitionNumber++) {
+ PartitionEntryEndHead = PartitionEntry->end_head;
+ PartitionEntryEndSector = PartitionEntry->end_sector & 0x3F;
+ if (PartitionEntryEndHead == 64 - 1) {
+ DiskParameters->Heads = 64;
+ DiskParameters->Sectors = 32;
+ break;
+ } else if (PartitionEntryEndHead == 128 - 1) {
+ DiskParameters->Heads = 128;
+ DiskParameters->Sectors = 32;
+ break;
+ } else if (PartitionEntryEndHead == 255 - 1) {
+ DiskParameters->Heads = 255;
+ DiskParameters->Sectors = 63;
+ break;
+ }
+ PartitionEntry++;
+ }
+ if (PartitionNumber == 4) {
+ PartitionEntryEndHead = FirstPartitionEntry->end_head;
+ PartitionEntryEndSector = FirstPartitionEntry->end_sector & 0x3F;
+ }
+ DiskParameters->Cylinders = (unsigned long) capacity / (DiskParameters->Heads * DiskParameters->Sectors);
+ if (PartitionNumber < 4 && PartitionEntryEndSector == DiskParameters->Sectors) {
+ if (DiskParameters->Cylinders != SavedCylinders)
+ BusLogic_Warning("Adopting Geometry %d/%d from Partition Table\n", HostAdapter, DiskParameters->Heads, DiskParameters->Sectors);
+ } else if (PartitionEntryEndHead > 0 || PartitionEntryEndSector > 0) {
+ BusLogic_Warning("Warning: Partition Table appears to " "have Geometry %d/%d which is\n", HostAdapter, PartitionEntryEndHead + 1, PartitionEntryEndSector);
+ BusLogic_Warning("not compatible with current BusLogic " "Host Adapter Geometry %d/%d\n", HostAdapter, DiskParameters->Heads, DiskParameters->Sectors);
+ }
}
- }
- kfree(buf);
- return 0;
+ kfree(buf);
+ return 0;
}
BugLogic_ProcDirectoryInfo implements /proc/scsi/BusLogic/<N>.
*/
-static int BusLogic_ProcDirectoryInfo(struct Scsi_Host *shost, char *ProcBuffer,
- char **StartPointer, off_t Offset,
- int BytesAvailable, int WriteFlag)
+static int BusLogic_ProcDirectoryInfo(struct Scsi_Host *shost, char *ProcBuffer, char **StartPointer, off_t Offset, int BytesAvailable, int WriteFlag)
{
- struct BusLogic_HostAdapter *HostAdapter;
- struct BusLogic_TargetStatistics *TargetStatistics;
- int TargetID, Length;
- char *Buffer;
- for (HostAdapter = BusLogic_FirstRegisteredHostAdapter;
- HostAdapter != NULL;
- HostAdapter = HostAdapter->Next)
- if (HostAdapter->HostNumber == shost->host_no) break;
- if (HostAdapter == NULL)
- {
- BusLogic_Error("Cannot find Host Adapter for SCSI Host %d\n",
- NULL, shost->host_no);
- return 0;
- }
- TargetStatistics = HostAdapter->TargetStatistics;
- if (WriteFlag)
- {
- HostAdapter->ExternalHostAdapterResets = 0;
- HostAdapter->HostAdapterInternalErrors = 0;
- memset(TargetStatistics, 0,
- BusLogic_MaxTargetDevices * sizeof(struct BusLogic_TargetStatistics));
- return 0;
- }
- Buffer = HostAdapter->MessageBuffer;
- Length = HostAdapter->MessageBufferLength;
- Length += sprintf(&Buffer[Length], "\n\
+ struct BusLogic_HostAdapter *HostAdapter;
+ struct BusLogic_TargetStatistics *TargetStatistics;
+ int TargetID, Length;
+ char *Buffer;
+ for (HostAdapter = BusLogic_FirstRegisteredHostAdapter; HostAdapter != NULL; HostAdapter = HostAdapter->Next)
+ if (HostAdapter->HostNumber == shost->host_no)
+ break;
+ if (HostAdapter == NULL) {
+ BusLogic_Error("Cannot find Host Adapter for SCSI Host %d\n", NULL, shost->host_no);
+ return 0;
+ }
+ TargetStatistics = HostAdapter->TargetStatistics;
+ if (WriteFlag) {
+ HostAdapter->ExternalHostAdapterResets = 0;
+ HostAdapter->HostAdapterInternalErrors = 0;
+ memset(TargetStatistics, 0, BusLogic_MaxTargetDevices * sizeof(struct BusLogic_TargetStatistics));
+ return 0;
+ }
+ Buffer = HostAdapter->MessageBuffer;
+ Length = HostAdapter->MessageBufferLength;
+ Length += sprintf(&Buffer[Length], "\n\
Current Driver Queue Depth: %d\n\
-Currently Allocated CCBs: %d\n",
- HostAdapter->DriverQueueDepth,
- HostAdapter->AllocatedCCBs);
- Length += sprintf(&Buffer[Length], "\n\n\
+Currently Allocated CCBs: %d\n", HostAdapter->DriverQueueDepth, HostAdapter->AllocatedCCBs);
+ Length += sprintf(&Buffer[Length], "\n\n\
DATA TRANSFER STATISTICS\n\
\n\
Target Tagged Queuing Queue Depth Active Attempted Completed\n\
====== ============== =========== ====== ========= =========\n");
- for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
- {
- struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[TargetID];
- if (!TargetFlags->TargetExists) continue;
- Length +=
- sprintf(&Buffer[Length], " %2d %s", TargetID,
- (TargetFlags->TaggedQueuingSupported
- ? (TargetFlags->TaggedQueuingActive
- ? " Active"
- : (HostAdapter->TaggedQueuingPermitted & (1 << TargetID)
- ? " Permitted" : " Disabled"))
- : "Not Supported"));
- Length += sprintf(&Buffer[Length],
- " %3d %3u %9u %9u\n",
- HostAdapter->QueueDepth[TargetID],
- HostAdapter->ActiveCommands[TargetID],
- TargetStatistics[TargetID].CommandsAttempted,
- TargetStatistics[TargetID].CommandsCompleted);
- }
- Length += sprintf(&Buffer[Length], "\n\
+ for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++) {
+ struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[TargetID];
+ if (!TargetFlags->TargetExists)
+ continue;
+ Length += sprintf(&Buffer[Length], " %2d %s", TargetID, (TargetFlags->TaggedQueuingSupported ? (TargetFlags->TaggedQueuingActive ? " Active" : (HostAdapter->TaggedQueuingPermitted & (1 << TargetID)
+ ? " Permitted" : " Disabled"))
+ : "Not Supported"));
+ Length += sprintf(&Buffer[Length],
+ " %3d %3u %9u %9u\n", HostAdapter->QueueDepth[TargetID], HostAdapter->ActiveCommands[TargetID], TargetStatistics[TargetID].CommandsAttempted, TargetStatistics[TargetID].CommandsCompleted);
+ }
+ Length += sprintf(&Buffer[Length], "\n\
Target Read Commands Write Commands Total Bytes Read Total Bytes Written\n\
====== ============= ============== =================== ===================\n");
- for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
- {
- struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[TargetID];
- if (!TargetFlags->TargetExists) continue;
- Length +=
- sprintf(&Buffer[Length], " %2d %9u %9u", TargetID,
- TargetStatistics[TargetID].ReadCommands,
- TargetStatistics[TargetID].WriteCommands);
- if (TargetStatistics[TargetID].TotalBytesRead.Billions > 0)
- Length +=
- sprintf(&Buffer[Length], " %9u%09u",
- TargetStatistics[TargetID].TotalBytesRead.Billions,
- TargetStatistics[TargetID].TotalBytesRead.Units);
- else
- Length +=
- sprintf(&Buffer[Length], " %9u",
- TargetStatistics[TargetID].TotalBytesRead.Units);
- if (TargetStatistics[TargetID].TotalBytesWritten.Billions > 0)
- Length +=
- sprintf(&Buffer[Length], " %9u%09u\n",
- TargetStatistics[TargetID].TotalBytesWritten.Billions,
- TargetStatistics[TargetID].TotalBytesWritten.Units);
- else
- Length +=
- sprintf(&Buffer[Length], " %9u\n",
- TargetStatistics[TargetID].TotalBytesWritten.Units);
- }
- Length += sprintf(&Buffer[Length], "\n\
+ for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++) {
+ struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[TargetID];
+ if (!TargetFlags->TargetExists)
+ continue;
+ Length += sprintf(&Buffer[Length], " %2d %9u %9u", TargetID, TargetStatistics[TargetID].ReadCommands, TargetStatistics[TargetID].WriteCommands);
+ if (TargetStatistics[TargetID].TotalBytesRead.Billions > 0)
+ Length += sprintf(&Buffer[Length], " %9u%09u", TargetStatistics[TargetID].TotalBytesRead.Billions, TargetStatistics[TargetID].TotalBytesRead.Units);
+ else
+ Length += sprintf(&Buffer[Length], " %9u", TargetStatistics[TargetID].TotalBytesRead.Units);
+ if (TargetStatistics[TargetID].TotalBytesWritten.Billions > 0)
+ Length += sprintf(&Buffer[Length], " %9u%09u\n", TargetStatistics[TargetID].TotalBytesWritten.Billions, TargetStatistics[TargetID].TotalBytesWritten.Units);
+ else
+ Length += sprintf(&Buffer[Length], " %9u\n", TargetStatistics[TargetID].TotalBytesWritten.Units);
+ }
+ Length += sprintf(&Buffer[Length], "\n\
Target Command 0-1KB 1-2KB 2-4KB 4-8KB 8-16KB\n\
====== ======= ========= ========= ========= ========= =========\n");
- for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
- {
- struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[TargetID];
- if (!TargetFlags->TargetExists) continue;
- Length +=
- sprintf(&Buffer[Length],
- " %2d Read %9u %9u %9u %9u %9u\n", TargetID,
- TargetStatistics[TargetID].ReadCommandSizeBuckets[0],
- TargetStatistics[TargetID].ReadCommandSizeBuckets[1],
- TargetStatistics[TargetID].ReadCommandSizeBuckets[2],
- TargetStatistics[TargetID].ReadCommandSizeBuckets[3],
- TargetStatistics[TargetID].ReadCommandSizeBuckets[4]);
- Length +=
- sprintf(&Buffer[Length],
- " %2d Write %9u %9u %9u %9u %9u\n", TargetID,
- TargetStatistics[TargetID].WriteCommandSizeBuckets[0],
- TargetStatistics[TargetID].WriteCommandSizeBuckets[1],
- TargetStatistics[TargetID].WriteCommandSizeBuckets[2],
- TargetStatistics[TargetID].WriteCommandSizeBuckets[3],
- TargetStatistics[TargetID].WriteCommandSizeBuckets[4]);
- }
- Length += sprintf(&Buffer[Length], "\n\
+ for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++) {
+ struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[TargetID];
+ if (!TargetFlags->TargetExists)
+ continue;
+ Length +=
+ sprintf(&Buffer[Length],
+ " %2d Read %9u %9u %9u %9u %9u\n", TargetID,
+ TargetStatistics[TargetID].ReadCommandSizeBuckets[0],
+ TargetStatistics[TargetID].ReadCommandSizeBuckets[1], TargetStatistics[TargetID].ReadCommandSizeBuckets[2], TargetStatistics[TargetID].ReadCommandSizeBuckets[3], TargetStatistics[TargetID].ReadCommandSizeBuckets[4]);
+ Length +=
+ sprintf(&Buffer[Length],
+ " %2d Write %9u %9u %9u %9u %9u\n", TargetID,
+ TargetStatistics[TargetID].WriteCommandSizeBuckets[0],
+ TargetStatistics[TargetID].WriteCommandSizeBuckets[1], TargetStatistics[TargetID].WriteCommandSizeBuckets[2], TargetStatistics[TargetID].WriteCommandSizeBuckets[3], TargetStatistics[TargetID].WriteCommandSizeBuckets[4]);
+ }
+ Length += sprintf(&Buffer[Length], "\n\
Target Command 16-32KB 32-64KB 64-128KB 128-256KB 256KB+\n\
====== ======= ========= ========= ========= ========= =========\n");
- for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
- {
- struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[TargetID];
- if (!TargetFlags->TargetExists) continue;
- Length +=
- sprintf(&Buffer[Length],
- " %2d Read %9u %9u %9u %9u %9u\n", TargetID,
- TargetStatistics[TargetID].ReadCommandSizeBuckets[5],
- TargetStatistics[TargetID].ReadCommandSizeBuckets[6],
- TargetStatistics[TargetID].ReadCommandSizeBuckets[7],
- TargetStatistics[TargetID].ReadCommandSizeBuckets[8],
- TargetStatistics[TargetID].ReadCommandSizeBuckets[9]);
- Length +=
- sprintf(&Buffer[Length],
- " %2d Write %9u %9u %9u %9u %9u\n", TargetID,
- TargetStatistics[TargetID].WriteCommandSizeBuckets[5],
- TargetStatistics[TargetID].WriteCommandSizeBuckets[6],
- TargetStatistics[TargetID].WriteCommandSizeBuckets[7],
- TargetStatistics[TargetID].WriteCommandSizeBuckets[8],
- TargetStatistics[TargetID].WriteCommandSizeBuckets[9]);
- }
- Length += sprintf(&Buffer[Length], "\n\n\
+ for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++) {
+ struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[TargetID];
+ if (!TargetFlags->TargetExists)
+ continue;
+ Length +=
+ sprintf(&Buffer[Length],
+ " %2d Read %9u %9u %9u %9u %9u\n", TargetID,
+ TargetStatistics[TargetID].ReadCommandSizeBuckets[5],
+ TargetStatistics[TargetID].ReadCommandSizeBuckets[6], TargetStatistics[TargetID].ReadCommandSizeBuckets[7], TargetStatistics[TargetID].ReadCommandSizeBuckets[8], TargetStatistics[TargetID].ReadCommandSizeBuckets[9]);
+ Length +=
+ sprintf(&Buffer[Length],
+ " %2d Write %9u %9u %9u %9u %9u\n", TargetID,
+ TargetStatistics[TargetID].WriteCommandSizeBuckets[5],
+ TargetStatistics[TargetID].WriteCommandSizeBuckets[6], TargetStatistics[TargetID].WriteCommandSizeBuckets[7], TargetStatistics[TargetID].WriteCommandSizeBuckets[8], TargetStatistics[TargetID].WriteCommandSizeBuckets[9]);
+ }
+ Length += sprintf(&Buffer[Length], "\n\n\
ERROR RECOVERY STATISTICS\n\
\n\
Command Aborts Bus Device Resets Host Adapter Resets\n\
Target Requested Completed Requested Completed Requested Completed\n\
ID \\\\\\\\ Attempted //// \\\\\\\\ Attempted //// \\\\\\\\ Attempted ////\n\
====== ===== ===== ===== ===== ===== ===== ===== ===== =====\n");
- for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++)
- {
- struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[TargetID];
- if (!TargetFlags->TargetExists) continue;
- Length +=
- sprintf(&Buffer[Length], "\
- %2d %5d %5d %5d %5d %5d %5d %5d %5d %5d\n", TargetID,
- TargetStatistics[TargetID].CommandAbortsRequested,
- TargetStatistics[TargetID].CommandAbortsAttempted,
- TargetStatistics[TargetID].CommandAbortsCompleted,
- TargetStatistics[TargetID].BusDeviceResetsRequested,
- TargetStatistics[TargetID].BusDeviceResetsAttempted,
- TargetStatistics[TargetID].BusDeviceResetsCompleted,
- TargetStatistics[TargetID].HostAdapterResetsRequested,
- TargetStatistics[TargetID].HostAdapterResetsAttempted,
- TargetStatistics[TargetID].HostAdapterResetsCompleted);
- }
- Length += sprintf(&Buffer[Length], "\nExternal Host Adapter Resets: %d\n",
- HostAdapter->ExternalHostAdapterResets);
- Length += sprintf(&Buffer[Length], "Host Adapter Internal Errors: %d\n",
- HostAdapter->HostAdapterInternalErrors);
- if (Length >= BusLogic_MessageBufferSize)
- BusLogic_Error("Message Buffer length %d exceeds size %d\n",
- HostAdapter, Length, BusLogic_MessageBufferSize);
- if ((Length -= Offset) <= 0) return 0;
- if (Length >= BytesAvailable) Length = BytesAvailable;
- memcpy(ProcBuffer, HostAdapter->MessageBuffer + Offset, Length);
- *StartPointer = ProcBuffer;
- return Length;
+ for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++) {
+ struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[TargetID];
+ if (!TargetFlags->TargetExists)
+ continue;
+ Length += sprintf(&Buffer[Length], "\
+ %2d %5d %5d %5d %5d %5d %5d %5d %5d %5d\n", TargetID, TargetStatistics[TargetID].CommandAbortsRequested, TargetStatistics[TargetID].CommandAbortsAttempted, TargetStatistics[TargetID].CommandAbortsCompleted, TargetStatistics[TargetID].BusDeviceResetsRequested, TargetStatistics[TargetID].BusDeviceResetsAttempted, TargetStatistics[TargetID].BusDeviceResetsCompleted, TargetStatistics[TargetID].HostAdapterResetsRequested, TargetStatistics[TargetID].HostAdapterResetsAttempted, TargetStatistics[TargetID].HostAdapterResetsCompleted);
+ }
+ Length += sprintf(&Buffer[Length], "\nExternal Host Adapter Resets: %d\n", HostAdapter->ExternalHostAdapterResets);
+ Length += sprintf(&Buffer[Length], "Host Adapter Internal Errors: %d\n", HostAdapter->HostAdapterInternalErrors);
+ if (Length >= BusLogic_MessageBufferSize)
+ BusLogic_Error("Message Buffer length %d exceeds size %d\n", HostAdapter, Length, BusLogic_MessageBufferSize);
+ if ((Length -= Offset) <= 0)
+ return 0;
+ if (Length >= BytesAvailable)
+ Length = BytesAvailable;
+ memcpy(ProcBuffer, HostAdapter->MessageBuffer + Offset, Length);
+ *StartPointer = ProcBuffer;
+ return Length;
}
BusLogic_Message prints Driver Messages.
*/
-static void BusLogic_Message(enum BusLogic_MessageLevel MessageLevel,
- char *Format,
- struct BusLogic_HostAdapter *HostAdapter,
- ...)
+static void BusLogic_Message(enum BusLogic_MessageLevel MessageLevel, char *Format, struct BusLogic_HostAdapter *HostAdapter, ...)
{
- static char Buffer[BusLogic_LineBufferSize];
- static boolean BeginningOfLine = true;
- va_list Arguments;
- int Length = 0;
- va_start(Arguments, HostAdapter);
- Length = vsprintf(Buffer, Format, Arguments);
- va_end(Arguments);
- if (MessageLevel == BusLogic_AnnounceLevel)
- {
- static int AnnouncementLines = 0;
- strcpy(&HostAdapter->MessageBuffer[HostAdapter->MessageBufferLength],
- Buffer);
- HostAdapter->MessageBufferLength += Length;
- if (++AnnouncementLines <= 2)
- printk("%sscsi: %s", BusLogic_MessageLevelMap[MessageLevel], Buffer);
- }
- else if (MessageLevel == BusLogic_InfoLevel)
- {
- strcpy(&HostAdapter->MessageBuffer[HostAdapter->MessageBufferLength],
- Buffer);
- HostAdapter->MessageBufferLength += Length;
- if (BeginningOfLine)
- {
- if (Buffer[0] != '\n' || Length > 1)
- printk("%sscsi%d: %s", BusLogic_MessageLevelMap[MessageLevel],
- HostAdapter->HostNumber, Buffer);
- }
- else printk("%s", Buffer);
- }
- else
- {
- if (BeginningOfLine)
- {
- if (HostAdapter != NULL && HostAdapter->HostAdapterInitialized)
- printk("%sscsi%d: %s", BusLogic_MessageLevelMap[MessageLevel],
- HostAdapter->HostNumber, Buffer);
- else printk("%s%s", BusLogic_MessageLevelMap[MessageLevel], Buffer);
- }
- else printk("%s", Buffer);
- }
- BeginningOfLine = (Buffer[Length-1] == '\n');
+ static char Buffer[BusLogic_LineBufferSize];
+ static boolean BeginningOfLine = true;
+ va_list Arguments;
+ int Length = 0;
+ va_start(Arguments, HostAdapter);
+ Length = vsprintf(Buffer, Format, Arguments);
+ va_end(Arguments);
+ if (MessageLevel == BusLogic_AnnounceLevel) {
+ static int AnnouncementLines = 0;
+ strcpy(&HostAdapter->MessageBuffer[HostAdapter->MessageBufferLength], Buffer);
+ HostAdapter->MessageBufferLength += Length;
+ if (++AnnouncementLines <= 2)
+ printk("%sscsi: %s", BusLogic_MessageLevelMap[MessageLevel], Buffer);
+ } else if (MessageLevel == BusLogic_InfoLevel) {
+ strcpy(&HostAdapter->MessageBuffer[HostAdapter->MessageBufferLength], Buffer);
+ HostAdapter->MessageBufferLength += Length;
+ if (BeginningOfLine) {
+ if (Buffer[0] != '\n' || Length > 1)
+ printk("%sscsi%d: %s", BusLogic_MessageLevelMap[MessageLevel], HostAdapter->HostNumber, Buffer);
+ } else
+ printk("%s", Buffer);
+ } else {
+ if (BeginningOfLine) {
+ if (HostAdapter != NULL && HostAdapter->HostAdapterInitialized)
+ printk("%sscsi%d: %s", BusLogic_MessageLevelMap[MessageLevel], HostAdapter->HostNumber, Buffer);
+ else
+ printk("%s%s", BusLogic_MessageLevelMap[MessageLevel], Buffer);
+ } else
+ printk("%s", Buffer);
+ }
+ BeginningOfLine = (Buffer[Length - 1] == '\n');
}
static boolean __init BusLogic_ParseKeyword(char **StringPointer, char *Keyword)
{
- char *Pointer = *StringPointer;
- while (*Keyword != '\0')
- {
- char StringChar = *Pointer++;
- char KeywordChar = *Keyword++;
- if (StringChar >= 'A' && StringChar <= 'Z')
- StringChar += 'a' - 'Z';
- if (KeywordChar >= 'A' && KeywordChar <= 'Z')
- KeywordChar += 'a' - 'Z';
- if (StringChar != KeywordChar) return false;
- }
- *StringPointer = Pointer;
- return true;
+ char *Pointer = *StringPointer;
+ while (*Keyword != '\0') {
+ char StringChar = *Pointer++;
+ char KeywordChar = *Keyword++;
+ if (StringChar >= 'A' && StringChar <= 'Z')
+ StringChar += 'a' - 'Z';
+ if (KeywordChar >= 'A' && KeywordChar <= 'Z')
+ KeywordChar += 'a' - 'Z';
+ if (StringChar != KeywordChar)
+ return false;
+ }
+ *StringPointer = Pointer;
+ return true;
}
static int __init BusLogic_ParseDriverOptions(char *OptionsString)
{
- while (true)
- {
- struct BusLogic_DriverOptions *DriverOptions =
- &BusLogic_DriverOptions[BusLogic_DriverOptionsCount++];
- int TargetID;
- memset(DriverOptions, 0, sizeof(struct BusLogic_DriverOptions));
- while (*OptionsString != '\0' && *OptionsString != ';')
- {
- /* Probing Options. */
- if (BusLogic_ParseKeyword(&OptionsString, "IO:"))
- {
- unsigned long IO_Address =
- simple_strtoul(OptionsString, &OptionsString, 0);
- BusLogic_ProbeOptions.LimitedProbeISA = true;
- switch (IO_Address)
- {
- case 0x330:
- BusLogic_ProbeOptions.Probe330 = true;
- break;
- case 0x334:
- BusLogic_ProbeOptions.Probe334 = true;
- break;
- case 0x230:
- BusLogic_ProbeOptions.Probe230 = true;
- break;
- case 0x234:
- BusLogic_ProbeOptions.Probe234 = true;
- break;
- case 0x130:
- BusLogic_ProbeOptions.Probe130 = true;
- break;
- case 0x134:
- BusLogic_ProbeOptions.Probe134 = true;
- break;
- default:
- BusLogic_Error("BusLogic: Invalid Driver Options "
- "(invalid I/O Address 0x%X)\n",
- NULL, IO_Address);
- return 0;
- }
- }
- else if (BusLogic_ParseKeyword(&OptionsString, "NoProbeISA"))
- BusLogic_ProbeOptions.NoProbeISA = true;
- else if (BusLogic_ParseKeyword(&OptionsString, "NoProbePCI"))
- BusLogic_ProbeOptions.NoProbePCI = true;
- else if (BusLogic_ParseKeyword(&OptionsString, "NoProbe"))
- BusLogic_ProbeOptions.NoProbe = true;
- else if (BusLogic_ParseKeyword(&OptionsString, "NoSortPCI"))
- BusLogic_ProbeOptions.NoSortPCI = true;
- else if (BusLogic_ParseKeyword(&OptionsString, "MultiMasterFirst"))
- BusLogic_ProbeOptions.MultiMasterFirst = true;
- else if (BusLogic_ParseKeyword(&OptionsString, "FlashPointFirst"))
- BusLogic_ProbeOptions.FlashPointFirst = true;
- /* Tagged Queuing Options. */
- else if (BusLogic_ParseKeyword(&OptionsString, "QueueDepth:[") ||
- BusLogic_ParseKeyword(&OptionsString, "QD:["))
- {
- for (TargetID = 0;
- TargetID < BusLogic_MaxTargetDevices;
- TargetID++)
- {
- unsigned short QueueDepth =
- simple_strtoul(OptionsString, &OptionsString, 0);
- if (QueueDepth > BusLogic_MaxTaggedQueueDepth)
- {
- BusLogic_Error("BusLogic: Invalid Driver Options "
- "(invalid Queue Depth %d)\n",
- NULL, QueueDepth);
- return 0;
- }
- DriverOptions->QueueDepth[TargetID] = QueueDepth;
- if (*OptionsString == ',')
- OptionsString++;
- else if (*OptionsString == ']')
- break;
- else
- {
- BusLogic_Error("BusLogic: Invalid Driver Options "
- "(',' or ']' expected at '%s')\n",
- NULL, OptionsString);
- return 0;
- }
- }
- if (*OptionsString != ']')
- {
- BusLogic_Error("BusLogic: Invalid Driver Options "
- "(']' expected at '%s')\n",
- NULL, OptionsString);
- return 0;
- }
- else OptionsString++;
- }
- else if (BusLogic_ParseKeyword(&OptionsString, "QueueDepth:") ||
- BusLogic_ParseKeyword(&OptionsString, "QD:"))
- {
- unsigned short QueueDepth =
- simple_strtoul(OptionsString, &OptionsString, 0);
- if (QueueDepth == 0 || QueueDepth > BusLogic_MaxTaggedQueueDepth)
- {
- BusLogic_Error("BusLogic: Invalid Driver Options "
- "(invalid Queue Depth %d)\n",
- NULL, QueueDepth);
- return 0;
+ while (true) {
+ struct BusLogic_DriverOptions *DriverOptions = &BusLogic_DriverOptions[BusLogic_DriverOptionsCount++];
+ int TargetID;
+ memset(DriverOptions, 0, sizeof(struct BusLogic_DriverOptions));
+ while (*OptionsString != '\0' && *OptionsString != ';') {
+ /* Probing Options. */
+ if (BusLogic_ParseKeyword(&OptionsString, "IO:")) {
+ unsigned long IO_Address = simple_strtoul(OptionsString, &OptionsString, 0);
+ BusLogic_ProbeOptions.LimitedProbeISA = true;
+ switch (IO_Address) {
+ case 0x330:
+ BusLogic_ProbeOptions.Probe330 = true;
+ break;
+ case 0x334:
+ BusLogic_ProbeOptions.Probe334 = true;
+ break;
+ case 0x230:
+ BusLogic_ProbeOptions.Probe230 = true;
+ break;
+ case 0x234:
+ BusLogic_ProbeOptions.Probe234 = true;
+ break;
+ case 0x130:
+ BusLogic_ProbeOptions.Probe130 = true;
+ break;
+ case 0x134:
+ BusLogic_ProbeOptions.Probe134 = true;
+ break;
+ default:
+ BusLogic_Error("BusLogic: Invalid Driver Options " "(invalid I/O Address 0x%X)\n", NULL, IO_Address);
+ return 0;
+ }
+ } else if (BusLogic_ParseKeyword(&OptionsString, "NoProbeISA"))
+ BusLogic_ProbeOptions.NoProbeISA = true;
+ else if (BusLogic_ParseKeyword(&OptionsString, "NoProbePCI"))
+ BusLogic_ProbeOptions.NoProbePCI = true;
+ else if (BusLogic_ParseKeyword(&OptionsString, "NoProbe"))
+ BusLogic_ProbeOptions.NoProbe = true;
+ else if (BusLogic_ParseKeyword(&OptionsString, "NoSortPCI"))
+ BusLogic_ProbeOptions.NoSortPCI = true;
+ else if (BusLogic_ParseKeyword(&OptionsString, "MultiMasterFirst"))
+ BusLogic_ProbeOptions.MultiMasterFirst = true;
+ else if (BusLogic_ParseKeyword(&OptionsString, "FlashPointFirst"))
+ BusLogic_ProbeOptions.FlashPointFirst = true;
+ /* Tagged Queuing Options. */
+ else if (BusLogic_ParseKeyword(&OptionsString, "QueueDepth:[") || BusLogic_ParseKeyword(&OptionsString, "QD:[")) {
+ for (TargetID = 0; TargetID < BusLogic_MaxTargetDevices; TargetID++) {
+ unsigned short QueueDepth = simple_strtoul(OptionsString, &OptionsString, 0);
+ if (QueueDepth > BusLogic_MaxTaggedQueueDepth) {
+ BusLogic_Error("BusLogic: Invalid Driver Options " "(invalid Queue Depth %d)\n", NULL, QueueDepth);
+ return 0;
+ }
+ DriverOptions->QueueDepth[TargetID] = QueueDepth;
+ if (*OptionsString == ',')
+ OptionsString++;
+ else if (*OptionsString == ']')
+ break;
+ else {
+ BusLogic_Error("BusLogic: Invalid Driver Options " "(',' or ']' expected at '%s')\n", NULL, OptionsString);
+ return 0;
+ }
+ }
+ if (*OptionsString != ']') {
+ BusLogic_Error("BusLogic: Invalid Driver Options " "(']' expected at '%s')\n", NULL, OptionsString);
+ return 0;
+ } else
+ OptionsString++;
+ } else if (BusLogic_ParseKeyword(&OptionsString, "QueueDepth:") || BusLogic_ParseKeyword(&OptionsString, "QD:")) {
+ unsigned short QueueDepth = simple_strtoul(OptionsString, &OptionsString, 0);
+ if (QueueDepth == 0 || QueueDepth > BusLogic_MaxTaggedQueueDepth) {
+ BusLogic_Error("BusLogic: Invalid Driver Options " "(invalid Queue Depth %d)\n", NULL, QueueDepth);
+ return 0;
+ }
+ DriverOptions->CommonQueueDepth = QueueDepth;
+ for (TargetID = 0; TargetID < BusLogic_MaxTargetDevices; TargetID++)
+ DriverOptions->QueueDepth[TargetID] = QueueDepth;
+ } else if (BusLogic_ParseKeyword(&OptionsString, "TaggedQueuing:") || BusLogic_ParseKeyword(&OptionsString, "TQ:")) {
+ if (BusLogic_ParseKeyword(&OptionsString, "Default")) {
+ DriverOptions->TaggedQueuingPermitted = 0x0000;
+ DriverOptions->TaggedQueuingPermittedMask = 0x0000;
+ } else if (BusLogic_ParseKeyword(&OptionsString, "Enable")) {
+ DriverOptions->TaggedQueuingPermitted = 0xFFFF;
+ DriverOptions->TaggedQueuingPermittedMask = 0xFFFF;
+ } else if (BusLogic_ParseKeyword(&OptionsString, "Disable")) {
+ DriverOptions->TaggedQueuingPermitted = 0x0000;
+ DriverOptions->TaggedQueuingPermittedMask = 0xFFFF;
+ } else {
+ unsigned short TargetBit;
+ for (TargetID = 0, TargetBit = 1; TargetID < BusLogic_MaxTargetDevices; TargetID++, TargetBit <<= 1)
+ switch (*OptionsString++) {
+ case 'Y':
+ DriverOptions->TaggedQueuingPermitted |= TargetBit;
+ DriverOptions->TaggedQueuingPermittedMask |= TargetBit;
+ break;
+ case 'N':
+ DriverOptions->TaggedQueuingPermitted &= ~TargetBit;
+ DriverOptions->TaggedQueuingPermittedMask |= TargetBit;
+ break;
+ case 'X':
+ break;
+ default:
+ OptionsString--;
+ TargetID = BusLogic_MaxTargetDevices;
+ break;
+ }
+ }
+ }
+ /* Miscellaneous Options. */
+ else if (BusLogic_ParseKeyword(&OptionsString, "BusSettleTime:") || BusLogic_ParseKeyword(&OptionsString, "BST:")) {
+ unsigned short BusSettleTime = simple_strtoul(OptionsString, &OptionsString, 0);
+ if (BusSettleTime > 5 * 60) {
+ BusLogic_Error("BusLogic: Invalid Driver Options " "(invalid Bus Settle Time %d)\n", NULL, BusSettleTime);
+ return 0;
+ }
+ DriverOptions->BusSettleTime = BusSettleTime;
+ } else if (BusLogic_ParseKeyword(&OptionsString, "InhibitTargetInquiry"))
+ DriverOptions->LocalOptions.InhibitTargetInquiry = true;
+ /* Debugging Options. */
+ else if (BusLogic_ParseKeyword(&OptionsString, "TraceProbe"))
+ BusLogic_GlobalOptions.TraceProbe = true;
+ else if (BusLogic_ParseKeyword(&OptionsString, "TraceHardwareReset"))
+ BusLogic_GlobalOptions.TraceHardwareReset = true;
+ else if (BusLogic_ParseKeyword(&OptionsString, "TraceConfiguration"))
+ BusLogic_GlobalOptions.TraceConfiguration = true;
+ else if (BusLogic_ParseKeyword(&OptionsString, "TraceErrors"))
+ BusLogic_GlobalOptions.TraceErrors = true;
+ else if (BusLogic_ParseKeyword(&OptionsString, "Debug")) {
+ BusLogic_GlobalOptions.TraceProbe = true;
+ BusLogic_GlobalOptions.TraceHardwareReset = true;
+ BusLogic_GlobalOptions.TraceConfiguration = true;
+ BusLogic_GlobalOptions.TraceErrors = true;
+ }
+ if (*OptionsString == ',')
+ OptionsString++;
+ else if (*OptionsString != ';' && *OptionsString != '\0') {
+ BusLogic_Error("BusLogic: Unexpected Driver Option '%s' " "ignored\n", NULL, OptionsString);
+ *OptionsString = '\0';
+ }
}
- DriverOptions->CommonQueueDepth = QueueDepth;
- for (TargetID = 0;
- TargetID < BusLogic_MaxTargetDevices;
- TargetID++)
- DriverOptions->QueueDepth[TargetID] = QueueDepth;
- }
- else if (BusLogic_ParseKeyword(&OptionsString, "TaggedQueuing:") ||
- BusLogic_ParseKeyword(&OptionsString, "TQ:"))
- {
- if (BusLogic_ParseKeyword(&OptionsString, "Default"))
- {
- DriverOptions->TaggedQueuingPermitted = 0x0000;
- DriverOptions->TaggedQueuingPermittedMask = 0x0000;
+ if (!(BusLogic_DriverOptionsCount == 0 || BusLogic_ProbeInfoCount == 0 || BusLogic_DriverOptionsCount == BusLogic_ProbeInfoCount)) {
+ BusLogic_Error("BusLogic: Invalid Driver Options " "(all or no I/O Addresses must be specified)\n", NULL);
+ return 0;
}
- else if (BusLogic_ParseKeyword(&OptionsString, "Enable"))
- {
- DriverOptions->TaggedQueuingPermitted = 0xFFFF;
- DriverOptions->TaggedQueuingPermittedMask = 0xFFFF;
- }
- else if (BusLogic_ParseKeyword(&OptionsString, "Disable"))
- {
- DriverOptions->TaggedQueuingPermitted = 0x0000;
- DriverOptions->TaggedQueuingPermittedMask = 0xFFFF;
- }
- else
- {
- unsigned short TargetBit;
- for (TargetID = 0, TargetBit = 1;
- TargetID < BusLogic_MaxTargetDevices;
- TargetID++, TargetBit <<= 1)
- switch (*OptionsString++)
- {
- case 'Y':
- DriverOptions->TaggedQueuingPermitted |= TargetBit;
- DriverOptions->TaggedQueuingPermittedMask |= TargetBit;
- break;
- case 'N':
- DriverOptions->TaggedQueuingPermitted &= ~TargetBit;
- DriverOptions->TaggedQueuingPermittedMask |= TargetBit;
- break;
- case 'X':
- break;
- default:
- OptionsString--;
- TargetID = BusLogic_MaxTargetDevices;
- break;
- }
- }
- }
- /* Miscellaneous Options. */
- else if (BusLogic_ParseKeyword(&OptionsString, "BusSettleTime:") ||
- BusLogic_ParseKeyword(&OptionsString, "BST:"))
- {
- unsigned short BusSettleTime =
- simple_strtoul(OptionsString, &OptionsString, 0);
- if (BusSettleTime > 5 * 60)
- {
- BusLogic_Error("BusLogic: Invalid Driver Options "
- "(invalid Bus Settle Time %d)\n",
- NULL, BusSettleTime);
- return 0;
- }
- DriverOptions->BusSettleTime = BusSettleTime;
- }
- else if (BusLogic_ParseKeyword(&OptionsString,
- "InhibitTargetInquiry"))
- DriverOptions->LocalOptions.InhibitTargetInquiry = true;
- /* Debugging Options. */
- else if (BusLogic_ParseKeyword(&OptionsString, "TraceProbe"))
- BusLogic_GlobalOptions.TraceProbe = true;
- else if (BusLogic_ParseKeyword(&OptionsString, "TraceHardwareReset"))
- BusLogic_GlobalOptions.TraceHardwareReset = true;
- else if (BusLogic_ParseKeyword(&OptionsString, "TraceConfiguration"))
- BusLogic_GlobalOptions.TraceConfiguration = true;
- else if (BusLogic_ParseKeyword(&OptionsString, "TraceErrors"))
- BusLogic_GlobalOptions.TraceErrors = true;
- else if (BusLogic_ParseKeyword(&OptionsString, "Debug"))
- {
- BusLogic_GlobalOptions.TraceProbe = true;
- BusLogic_GlobalOptions.TraceHardwareReset = true;
- BusLogic_GlobalOptions.TraceConfiguration = true;
- BusLogic_GlobalOptions.TraceErrors = true;
- }
- if (*OptionsString == ',')
- OptionsString++;
- else if (*OptionsString != ';' && *OptionsString != '\0')
- {
- BusLogic_Error("BusLogic: Unexpected Driver Option '%s' "
- "ignored\n", NULL, OptionsString);
- *OptionsString = '\0';
- }
- }
- if (!(BusLogic_DriverOptionsCount == 0 ||
- BusLogic_ProbeInfoCount == 0 ||
- BusLogic_DriverOptionsCount == BusLogic_ProbeInfoCount))
- {
- BusLogic_Error("BusLogic: Invalid Driver Options "
- "(all or no I/O Addresses must be specified)\n", NULL);
- return 0;
- }
- /*
- Tagged Queuing is disabled when the Queue Depth is 1 since queuing
- multiple commands is not possible.
- */
- for (TargetID = 0; TargetID < BusLogic_MaxTargetDevices; TargetID++)
- if (DriverOptions->QueueDepth[TargetID] == 1)
- {
- unsigned short TargetBit = 1 << TargetID;
- DriverOptions->TaggedQueuingPermitted &= ~TargetBit;
- DriverOptions->TaggedQueuingPermittedMask |= TargetBit;
- }
- if (*OptionsString == ';') OptionsString++;
- if (*OptionsString == '\0') return 0;
- }
- return 1;
+ /*
+ Tagged Queuing is disabled when the Queue Depth is 1 since queuing
+ multiple commands is not possible.
+ */
+ for (TargetID = 0; TargetID < BusLogic_MaxTargetDevices; TargetID++)
+ if (DriverOptions->QueueDepth[TargetID] == 1) {
+ unsigned short TargetBit = 1 << TargetID;
+ DriverOptions->TaggedQueuingPermitted &= ~TargetBit;
+ DriverOptions->TaggedQueuingPermittedMask |= TargetBit;
+ }
+ if (*OptionsString == ';')
+ OptionsString++;
+ if (*OptionsString == '\0')
+ return 0;
+ }
+ return 1;
}
/*
*/
static struct scsi_host_template driver_template = {
- .module = THIS_MODULE,
- .proc_name = "BusLogic",
- .proc_info = BusLogic_ProcDirectoryInfo,
- .name = "BusLogic",
- .info = BusLogic_DriverInfo,
- .queuecommand = BusLogic_QueueCommand,
- .slave_configure = BusLogic_SlaveConfigure,
- .bios_param = BusLogic_BIOSDiskParameters,
- .eh_host_reset_handler = BusLogic_host_reset,
+ .module = THIS_MODULE,
+ .proc_name = "BusLogic",
+ .proc_info = BusLogic_ProcDirectoryInfo,
+ .name = "BusLogic",
+ .info = BusLogic_DriverInfo,
+ .queuecommand = BusLogic_QueueCommand,
+ .slave_configure = BusLogic_SlaveConfigure,
+ .bios_param = BusLogic_BIOSDiskParameters,
+ .eh_host_reset_handler = BusLogic_host_reset,
#if 0
- .eh_abort_handler = BusLogic_AbortCommand,
+ .eh_abort_handler = BusLogic_AbortCommand,
#endif
- .unchecked_isa_dma = 1,
- .max_sectors = 128,
- .use_clustering = ENABLE_CLUSTERING,
+ .unchecked_isa_dma = 1,
+ .max_sectors = 128,
+ .use_clustering = ENABLE_CLUSTERING,
};
/*
{
int ints[3];
- (void)get_options(str, ARRAY_SIZE(ints), ints);
+ (void) get_options(str, ARRAY_SIZE(ints), ints);
if (ints[0] != 0) {
- BusLogic_Error("BusLogic: Obsolete Command Line Entry "
- "Format Ignored\n", NULL);
+ BusLogic_Error("BusLogic: Obsolete Command Line Entry " "Format Ignored\n", NULL);
return 0;
}
if (str == NULL || *str == '\0')
* Initialization function
*/
-static int __init BusLogic_init(void) {
+static int __init BusLogic_init(void)
+{
#ifdef MODULE
if (BusLogic)
BusLogic_Setup(BusLogic);
#endif
-
+
return BusLogic_DetectHostAdapter(&driver_template) ? 0 : -ENODEV;
}
static void __exit BusLogic_exit(void)
{
struct BusLogic_HostAdapter *HostAdapter;
- for (HostAdapter = BusLogic_FirstRegisteredHostAdapter;
- HostAdapter != NULL; HostAdapter = HostAdapter->Next) {
+ for (HostAdapter = BusLogic_FirstRegisteredHostAdapter; HostAdapter != NULL; HostAdapter = HostAdapter->Next) {
struct Scsi_Host *host = HostAdapter->SCSI_Host;
scsi_remove_host(host);
}
- for (HostAdapter = BusLogic_FirstRegisteredHostAdapter;
- HostAdapter != NULL; HostAdapter = HostAdapter->Next) {
+ for (HostAdapter = BusLogic_FirstRegisteredHostAdapter; HostAdapter != NULL; HostAdapter = HostAdapter->Next) {
struct Scsi_Host *host = HostAdapter->SCSI_Host;
BusLogic_ReleaseHostAdapter(host);
}
git://git.onelab.eu / linux-2.6.git / blobdiff