Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
new file mode 100644
index 0000000..41b5197
--- /dev/null
+++ b/drivers/scsi/BusLogic.c
@@ -0,0 +1,3574 @@
+
+/*
+
+ Linux Driver for BusLogic MultiMaster and FlashPoint SCSI Host Adapters
+
+ Copyright 1995-1998 by Leonard N. Zubkoff <lnz@dandelion.com>
+
+ This program is free software; you may redistribute and/or modify it under
+ the terms of the GNU General Public License Version 2 as published by the
+ Free Software Foundation.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ for complete details.
+
+ The author respectfully requests that any modifications to this software be
+ sent directly to him for evaluation and testing.
+
+ Special thanks to Wayne Yen, Jin-Lon Hon, and Alex Win of BusLogic, whose
+ advice has been invaluable, to David Gentzel, for writing the original Linux
+ BusLogic driver, and to Paul Gortmaker, for being such a dedicated test site.
+
+ Finally, special thanks to Mylex/BusLogic for making the FlashPoint SCCB
+ Manager available as freely redistributable source code.
+
+*/
+
+#define BusLogic_DriverVersion "2.1.16"
+#define BusLogic_DriverDate "18 July 2002"
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/types.h>
+#include <linux/blkdev.h>
+#include <linux/delay.h>
+#include <linux/ioport.h>
+#include <linux/mm.h>
+#include <linux/stat.h>
+#include <linux/pci.h>
+#include <linux/spinlock.h>
+#include <scsi/scsicam.h>
+
+#include <asm/dma.h>
+#include <asm/io.h>
+#include <asm/system.h>
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tcq.h>
+#include "BusLogic.h"
+#include "FlashPoint.c"
+
+#ifndef FAILURE
+#define FAILURE (-1)
+#endif
+
+static struct scsi_host_template Bus_Logic_template;
+
+/*
+ BusLogic_DriverOptionsCount is a count of the number of BusLogic Driver
+ Options specifications provided via the Linux Kernel Command Line or via
+ the Loadable Kernel Module Installation Facility.
+*/
+
+static int BusLogic_DriverOptionsCount;
+
+
+/*
+ BusLogic_DriverOptions is an array of Driver Options structures representing
+ BusLogic Driver Options specifications provided via the Linux Kernel Command
+ Line or via the Loadable Kernel Module Installation Facility.
+*/
+
+static struct BusLogic_DriverOptions BusLogic_DriverOptions[BusLogic_MaxHostAdapters];
+
+
+/*
+ BusLogic can be assigned a string by insmod.
+*/
+
+MODULE_LICENSE("GPL");
+#ifdef MODULE
+static char *BusLogic;
+module_param(BusLogic, charp, 0);
+#endif
+
+
+/*
+ BusLogic_ProbeOptions is a set of Probe Options to be applied across
+ all BusLogic Host Adapters.
+*/
+
+static struct BusLogic_ProbeOptions BusLogic_ProbeOptions;
+
+
+/*
+ BusLogic_GlobalOptions is a set of Global Options to be applied across
+ all BusLogic Host Adapters.
+*/
+
+static struct BusLogic_GlobalOptions BusLogic_GlobalOptions;
+
+static LIST_HEAD(BusLogic_host_list);
+
+/*
+ BusLogic_ProbeInfoCount is the number of entries in BusLogic_ProbeInfoList.
+*/
+
+static int BusLogic_ProbeInfoCount;
+
+
+/*
+ BusLogic_ProbeInfoList is the list of I/O Addresses and Bus Probe Information
+ to be checked for potential BusLogic Host Adapters. It is initialized by
+ interrogating the PCI Configuration Space on PCI machines as well as from the
+ list of standard BusLogic I/O Addresses.
+*/
+
+static struct BusLogic_ProbeInfo *BusLogic_ProbeInfoList;
+
+
+/*
+ BusLogic_CommandFailureReason holds a string identifying the reason why a
+ call to BusLogic_Command failed. It is only non-NULL when BusLogic_Command
+ returns a failure code.
+*/
+
+static char *BusLogic_CommandFailureReason;
+
+/*
+ BusLogic_AnnounceDriver announces the Driver Version and Date, Author's
+ Name, Copyright Notice, and Electronic Mail Address.
+*/
+
+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_DriverInfo returns the Host Adapter Name to identify this SCSI
+ Driver and Host Adapter.
+*/
+
+static const char *BusLogic_DriverInfo(struct Scsi_Host *Host)
+{
+ struct BusLogic_HostAdapter *HostAdapter = (struct BusLogic_HostAdapter *) Host->hostdata;
+ return HostAdapter->FullModelName;
+}
+
+/*
+ BusLogic_InitializeCCBs initializes a group of Command Control Blocks (CCBs)
+ for Host Adapter from the BlockSize bytes located at BlockPointer. The newly
+ 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)
+{
+ 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);
+ }
+}
+
+
+/*
+ BusLogic_CreateInitialCCBs allocates the initial CCBs for Host Adapter.
+*/
+
+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;
+ }
+ BusLogic_InitializeCCBs(HostAdapter, BlockPointer, BlockSize, BlockPointerHandle);
+ }
+ return true;
+}
+
+
+/*
+ BusLogic_DestroyCCBs deallocates the CCBs for Host Adapter.
+*/
+
+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;
+ }
+ }
+ if (Last_CCB)
+ pci_free_consistent(HostAdapter->PCI_Device, Last_CCB->AllocationGroupSize, Last_CCB, Last_CCB->AllocationGroupHead);
+}
+
+
+/*
+ BusLogic_CreateAdditionalCCBs allocates Additional CCBs for Host Adapter. If
+ allocation fails and there are no remaining CCBs available, the Driver Queue
+ Depth is decreased to a known safe value to avoid potential deadlocks when
+ multiple host adapters share the same IRQ Channel.
+*/
+
+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;
+ }
+}
+
+/*
+ BusLogic_AllocateCCB allocates a CCB from Host Adapter's free list,
+ allocating more memory from the Kernel if necessary. The Host Adapter's
+ Lock should already have been acquired by the caller.
+*/
+
+static struct BusLogic_CCB *BusLogic_AllocateCCB(struct BusLogic_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;
+}
+
+
+/*
+ BusLogic_DeallocateCCB deallocates a CCB, returning it to the Host Adapter's
+ free list. The Host Adapter's Lock should already have been acquired by the
+ caller.
+*/
+
+static void BusLogic_DeallocateCCB(struct BusLogic_CCB *CCB)
+{
+ struct BusLogic_HostAdapter *HostAdapter = CCB->HostAdapter;
+ struct scsi_cmnd *cmd = CCB->Command;
+
+ if (cmd->use_sg != 0) {
+ pci_unmap_sg(HostAdapter->PCI_Device,
+ (struct scatterlist *)cmd->request_buffer,
+ cmd->use_sg, cmd->sc_data_direction);
+ } else if (cmd->request_bufflen != 0) {
+ pci_unmap_single(HostAdapter->PCI_Device, CCB->DataPointer,
+ CCB->DataLength, cmd->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;
+}
+
+
+/*
+ BusLogic_Command sends the command OperationCode to HostAdapter, optionally
+ providing ParameterLength bytes of ParameterData and receiving at most
+ ReplyLength bytes of ReplyData; any excess reply data is received but
+ discarded.
+
+ On success, this function returns the number of reply bytes read from
+ the Host Adapter (including any discarded data); on failure, it returns
+ -1 if the command was invalid, or -2 if a timeout occurred.
+
+ BusLogic_Command is called exclusively during host adapter detection and
+ initialization, so performance and latency are not critical, and exclusive
+ access to the Host Adapter hardware is assumed. Once the host adapter and
+ driver are initialized, the only Host Adapter command that is issued is the
+ single byte Execute Mailbox Command operation code, which does not require
+ 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)
+{
+ 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;
+ }
+ 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 (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;
+}
+
+
+/*
+ BusLogic_AppendProbeAddressISA appends a single ISA I/O Address to the list
+ of I/O Address and Bus Probe Information to be checked for potential BusLogic
+ Host Adapters.
+*/
+
+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;
+}
+
+
+/*
+ BusLogic_InitializeProbeInfoListISA initializes the list of I/O Address and
+ Bus Probe Information to be checked for potential BusLogic SCSI Host Adapters
+ only from the list of standard BusLogic MultiMaster ISA I/O Addresses.
+*/
+
+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);
+}
+
+
+#ifdef CONFIG_PCI
+
+
+/*
+ BusLogic_SortProbeInfo sorts a section of BusLogic_ProbeInfoList in order
+ of increasing PCI Bus and Device Number.
+*/
+
+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;
+ }
+ }
+ }
+}
+
+
+/*
+ BusLogic_InitializeMultiMasterProbeInfo initializes the list of I/O Address
+ and Bus Probe Information to be checked for potential BusLogic MultiMaster
+ SCSI Host Adapters by interrogating the PCI Configuration Space on PCI
+ machines as well as from the list of standard BusLogic MultiMaster ISA
+ I/O Addresses. It returns the number of PCI MultiMaster Host Adapters found.
+*/
+
+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++;
+ } 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);
+ }
+ /*
+ 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;
+ }
+ }
+ }
+ return PCIMultiMasterCount;
+}
+
+
+/*
+ BusLogic_InitializeFlashPointProbeInfo initializes the list of I/O Address
+ and Bus Probe Information to be checked for potential BusLogic FlashPoint
+ Host Adapters by interrogating the PCI Configuration Space. It returns the
+ number of FlashPoint Host Adapters found.
+*/
+
+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);
+#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);
+#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);
+#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;
+}
+
+
+/*
+ BusLogic_InitializeProbeInfoList initializes the list of I/O Address and Bus
+ Probe Information to be checked for potential BusLogic SCSI Host Adapters by
+ interrogating the PCI Configuration Space on PCI machines as well as from the
+ list of standard BusLogic MultiMaster ISA I/O Addresses. By default, if both
+ FlashPoint and PCI MultiMaster Host Adapters are present, this driver will
+ probe for FlashPoint Host Adapters first unless the BIOS primary disk is
+ controlled by the first PCI MultiMaster Host Adapter, in which case
+ MultiMaster Host Adapters will be probed first. The BusLogic Driver Options
+ specifications "MultiMasterFirst" and "FlashPointFirst" can be used to force
+ a particular probe order.
+*/
+
+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));
+ }
+ }
+ }
+ } else
+ BusLogic_InitializeProbeInfoListISA(PrototypeHostAdapter);
+}
+
+
+#endif /* CONFIG_PCI */
+
+
+/*
+ BusLogic_Failure prints a standardized error message, and then returns false.
+*/
+
+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_ProbeHostAdapter probes for a BusLogic Host Adapter.
+*/
+
+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;
+ }
+ 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;
+}
+
+
+/*
+ BusLogic_HardwareResetHostAdapter issues a Hardware Reset to the Host Adapter
+ and waits for Host Adapter Diagnostics to complete. If HardReset is true, a
+ Hard Reset is performed which also initiates a SCSI Bus Reset. Otherwise, a
+ Soft Reset is performed which only resets the Host Adapter without forcing a
+ SCSI Bus Reset.
+*/
+
+static boolean BusLogic_HardwareResetHostAdapter(struct BusLogic_HostAdapter
+ *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);
+ }
+ return false;
+ }
+ /*
+ Indicate the Host Adapter Hard Reset completed successfully.
+ */
+ return true;
+}
+
+
+/*
+ BusLogic_CheckHostAdapter checks to be sure this really is a BusLogic
+ Host Adapter.
+*/
+
+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;
+}
+
+
+/*
+ BusLogic_ReadHostAdapterConfiguration reads the Configuration Information
+ from Host Adapter and initializes the Host Adapter structure.
+*/
+
+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;
+ }
+ }
+ /*
+ 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;
+ }
+ /*
+ 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;
+}
+
+
+/*
+ BusLogic_ReportHostAdapterConfiguration reports the configuration of
+ Host Adapter.
+*/
+
+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;
+ } 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';
+ }
+ } 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;
+}
+
+
+/*
+ BusLogic_AcquireResources acquires the system resources necessary to use
+ Host Adapter.
+*/
+
+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;
+ }
+ 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;
+}
+
+
+/*
+ BusLogic_ReleaseResources releases any system resources previously acquired
+ by BusLogic_AcquireResources.
+*/
+
+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;
+}
+
+
+/*
+ BusLogic_InitializeHostAdapter initializes Host Adapter. This is the only
+ function called during SCSI Host Adapter detection which modifies the state
+ of the Host Adapter from its initial power on or hard reset state.
+*/
+
+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;
+}
+
+
+/*
+ BusLogic_TargetDeviceInquiry inquires about the Target Devices accessible
+ through Host Adapter.
+*/
+
+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;
+}
+
+/*
+ BusLogic_InitializeHostStructure initializes the fields in the SCSI Host
+ structure. The base, io_port, n_io_ports, irq, and dma_channel fields in the
+ SCSI Host structure are intentionally left uninitialized, as this driver
+ handles acquisition and release of these resources explicitly, as well as
+ ensuring exclusive access to the Host Adapter hardware and data structures
+ through explicit acquisition and release of the Host Adapter's Lock.
+*/
+
+static void __init BusLogic_InitializeHostStructure(struct BusLogic_HostAdapter
+ *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;
+}
+
+/*
+ BusLogic_SlaveConfigure will actually set the queue depth on individual
+ scsi devices as they are permanently added to the device chain. We
+ shamelessly rip off the SelectQueueDepths code to make this work mostly
+ like it used to. Since we don't get called once at the end of the scan
+ but instead get called for each device, we have to do things a bit
+ differently.
+*/
+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;
+}
+
+/*
+ BusLogic_DetectHostAdapter probes for BusLogic Host Adapters at the standard
+ I/O Addresses where they may be located, initializing, registering, and
+ reporting the configuration of each BusLogic Host Adapter it finds. It
+ returns the number of BusLogic Host Adapters successfully initialized and
+ registered.
+*/
+
+static int __init BusLogic_init(void)
+{
+ int BusLogicHostAdapterCount = 0, DriverOptionsIndex = 0, ProbeIndex;
+ struct BusLogic_HostAdapter *PrototypeHostAdapter;
+
+#ifdef MODULE
+ if (BusLogic)
+ BusLogic_Setup(BusLogic);
+#endif
+
+ if (BusLogic_ProbeOptions.NoProbe)
+ return -ENODEV;
+ 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 -ENOMEM;
+ }
+ 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 -ENOMEM;
+ }
+ memset(PrototypeHostAdapter, 0, sizeof(struct BusLogic_HostAdapter));
+#ifdef MODULE
+ 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(&Bus_Logic_template, 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.
+ */
+ list_add_tail(&HostAdapter->host_list, &BusLogic_host_list);
+
+ /*
+ 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);
+ list_del(&HostAdapter->host_list);
+ 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);
+ list_del(&HostAdapter->host_list);
+ scsi_host_put(Host);
+ }
+ }
+ kfree(PrototypeHostAdapter);
+ kfree(BusLogic_ProbeInfoList);
+ BusLogic_ProbeInfoList = NULL;
+ return 0;
+}
+
+
+/*
+ BusLogic_ReleaseHostAdapter releases all resources previously acquired to
+ support a specific Host Adapter, including the I/O Address range, and
+ unregisters the BusLogic Host Adapter.
+*/
+
+static int __exit BusLogic_ReleaseHostAdapter(struct BusLogic_HostAdapter *HostAdapter)
+{
+ struct Scsi_Host *Host = HostAdapter->SCSI_Host;
+
+ scsi_remove_host(Host);
+
+ /*
+ 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.
+ */
+ list_del(&HostAdapter->host_list);
+
+ scsi_host_put(Host);
+ return 0;
+}
+
+
+/*
+ BusLogic_QueueCompletedCCB queues CCB for completion processing.
+*/
+
+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]--;
+}
+
+
+/*
+ BusLogic_ComputeResultCode computes a SCSI Subsystem Result Code from
+ the Host Adapter Status and Target Device Status.
+*/
+
+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;
+}
+
+
+/*
+ BusLogic_ScanIncomingMailboxes scans the Incoming Mailboxes saving any
+ Incoming Mailbox entries for completion processing.
+*/
+
+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);
+ }
+ }
+ NextIncomingMailbox->CompletionCode = BusLogic_IncomingMailboxFree;
+ if (++NextIncomingMailbox > HostAdapter->LastIncomingMailbox)
+ NextIncomingMailbox = HostAdapter->FirstIncomingMailbox;
+ }
+ HostAdapter->NextIncomingMailbox = NextIncomingMailbox;
+}
+
+
+/*
+ BusLogic_ProcessCompletedCCBs iterates over the completed CCBs for Host
+ Adapter setting the SCSI Command Result Codes, deallocating the CCBs, and
+ calling the SCSI Subsystem Completion Routines. The Host Adapter's Lock
+ should already have been acquired by the caller.
+*/
+
+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;
+ }
+#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);
+ }
+ }
+ 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;
+}
+
+
+/*
+ BusLogic_InterruptHandler handles hardware interrupts from BusLogic Host
+ Adapters.
+*/
+
+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.
+ */
+ spin_lock_irqsave(HostAdapter->SCSI_Host->host_lock, 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;
+ }
+ /*
+ Release exclusive access to Host Adapter.
+ */
+ spin_unlock_irqrestore(HostAdapter->SCSI_Host->host_lock, ProcessorFlags);
+ return IRQ_HANDLED;
+}
+
+
+/*
+ BusLogic_WriteOutgoingMailbox places CCB and Action Code into an Outgoing
+ Mailbox for execution by Host Adapter. The Host Adapter's Lock should
+ already have been acquired by the caller.
+*/
+
+static boolean BusLogic_WriteOutgoingMailbox(struct BusLogic_HostAdapter
+ *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++;
+ }
+ return true;
+ }
+ return false;
+}
+
+/* Error Handling (EH) support */
+
+static int BusLogic_host_reset(struct scsi_cmnd * SCpnt)
+{
+ struct BusLogic_HostAdapter *HostAdapter = (struct BusLogic_HostAdapter *) SCpnt->device->host->hostdata;
+
+ unsigned int id = SCpnt->device->id;
+ struct BusLogic_TargetStatistics *stats = &HostAdapter->TargetStatistics[id];
+ BusLogic_IncrementErrorCounter(&stats->HostAdapterResetsRequested);
+
+ return BusLogic_ResetHostAdapter(HostAdapter, false);
+}
+
+/*
+ BusLogic_QueueCommand creates a CCB for Command and places it into an
+ Outgoing Mailbox for execution by the associated Host Adapter.
+*/
+
+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) {
+ spin_unlock_irq(HostAdapter->SCSI_Host->host_lock);
+ BusLogic_Delay(1);
+ spin_lock_irq(HostAdapter->SCSI_Host->host_lock);
+ 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,
+ 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,
+ 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;
+ }
+ }
+ 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)) {
+ spin_unlock_irq(HostAdapter->SCSI_Host->host_lock);
+ BusLogic_Warning("Unable to write Outgoing Mailbox - " "Pausing for 1 second\n", HostAdapter);
+ BusLogic_Delay(1);
+ spin_lock_irq(HostAdapter->SCSI_Host->host_lock);
+ 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;
+}
+
+
+/*
+ BusLogic_AbortCommand aborts Command if possible.
+*/
+
+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;
+ }
+ } 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;
+}
+
+/*
+ BusLogic_ResetHostAdapter resets Host Adapter if possible, marking all
+ currently executing SCSI Commands as having been Reset.
+*/
+
+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);
+ return FAILURE;
+ }
+
+ /*
+ * Deallocate all currently executing CCBs.
+ */
+
+ for (CCB = HostAdapter->All_CCBs; CCB != NULL; CCB = CCB->NextAll)
+ if (CCB->Status == BusLogic_CCB_Active)
+ BusLogic_DeallocateCCB(CCB);
+ /*
+ * 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.
+ */
+
+ if (HardReset) {
+ spin_unlock_irq(HostAdapter->SCSI_Host->host_lock);
+ BusLogic_Delay(HostAdapter->BusSettleTime);
+ spin_lock_irq(HostAdapter->SCSI_Host->host_lock);
+ }
+
+ for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++) {
+ HostAdapter->LastResetAttempted[TargetID] = jiffies;
+ HostAdapter->LastResetCompleted[TargetID] = jiffies;
+ }
+ return SUCCESS;
+}
+
+/*
+ BusLogic_BIOSDiskParameters returns the Heads/Sectors/Cylinders BIOS Disk
+ Parameters for Disk. The default disk geometry is 64 heads, 32 sectors, and
+ the appropriate number of cylinders so as not to exceed drive capacity. In
+ order for disks equal to or larger than 1 GB to be addressable by the BIOS
+ without exceeding the BIOS limitation of 1024 cylinders, Extended Translation
+ may be enabled in AutoSCSI on FlashPoint Host Adapters and on "W" and "C"
+ series MultiMaster Host Adapters, or by a dip switch setting on "S" and "A"
+ series MultiMaster Host Adapters. With Extended Translation enabled, drives
+ between 1 GB inclusive and 2 GB exclusive are given a disk geometry of 128
+ heads and 32 sectors, and drives above 2 GB inclusive are given a disk
+ geometry of 255 heads and 63 sectors. However, if the BIOS detects that the
+ Extended Translation setting does not match the geometry in the partition
+ table, then the translation inferred from the partition table will be used by
+ 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)
+{
+ 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);
+ } 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;
+}
+
+
+/*
+ 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)
+{
+ struct BusLogic_HostAdapter *HostAdapter = (struct BusLogic_HostAdapter *) shost->hostdata;
+ struct BusLogic_TargetStatistics *TargetStatistics;
+ int TargetID, Length;
+ char *Buffer;
+
+ 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\
+ 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\
+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\
+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\
+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\
+ 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;
+}
+
+
+/*
+ BusLogic_Message prints Driver Messages.
+*/
+
+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');
+}
+
+
+/*
+ BusLogic_ParseKeyword parses an individual option keyword. It returns true
+ and updates the pointer if the keyword is recognized and false otherwise.
+*/
+
+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;
+}
+
+
+/*
+ BusLogic_ParseDriverOptions handles processing of BusLogic Driver Options
+ specifications.
+
+ BusLogic Driver Options may be specified either via the Linux Kernel Command
+ Line or via the Loadable Kernel Module Installation Facility. Driver Options
+ for multiple host adapters may be specified either by separating the option
+ strings by a semicolon, or by specifying multiple "BusLogic=" strings on the
+ command line. Individual option specifications for a single host adapter are
+ separated by commas. The Probing and Debugging Options apply to all host
+ adapters whereas the remaining options apply individually only to the
+ selected host adapter.
+
+ The BusLogic Driver Probing Options are described in
+ <file:Documentation/scsi/BusLogic.txt>.
+*/
+
+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;
+ }
+ 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';
+ }
+ }
+ 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;
+}
+
+/*
+ Get it all started
+*/
+
+static struct scsi_host_template Bus_Logic_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,
+#if 0
+ .eh_abort_handler = BusLogic_AbortCommand,
+#endif
+ .unchecked_isa_dma = 1,
+ .max_sectors = 128,
+ .use_clustering = ENABLE_CLUSTERING,
+};
+
+/*
+ BusLogic_Setup handles processing of Kernel Command Line Arguments.
+*/
+
+static int __init BusLogic_Setup(char *str)
+{
+ int ints[3];
+
+ (void) get_options(str, ARRAY_SIZE(ints), ints);
+
+ if (ints[0] != 0) {
+ BusLogic_Error("BusLogic: Obsolete Command Line Entry " "Format Ignored\n", NULL);
+ return 0;
+ }
+ if (str == NULL || *str == '\0')
+ return 0;
+ return BusLogic_ParseDriverOptions(str);
+}
+
+/*
+ * Exit function. Deletes all hosts associated with this driver.
+ */
+
+static void __exit BusLogic_exit(void)
+{
+ struct BusLogic_HostAdapter *ha, *next;
+
+ list_for_each_entry_safe(ha, next, &BusLogic_host_list, host_list)
+ BusLogic_ReleaseHostAdapter(ha);
+}
+
+__setup("BusLogic=", BusLogic_Setup);
+
+module_init(BusLogic_init);
+module_exit(BusLogic_exit);