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);
- }
+ scsi_dma_unmap(CCB->Command);
pci_unmap_single(HostAdapter->PCI_Device, CCB->SenseDataPointer,
- CCB->SenseDataLength, PCI_DMA_FROMDEVICE);
+ CCB->SenseDataLength, PCI_DMA_FROMDEVICE);
CCB->Command = NULL;
CCB->Status = BusLogic_CCB_Free;
/*
Append the list of standard BusLogic MultiMaster ISA I/O Addresses.
*/
- if (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe330 : check_region(0x330, BusLogic_MultiMasterAddressCount) == 0)
+ if (!BusLogic_ProbeOptions.LimitedProbeISA || BusLogic_ProbeOptions.Probe330)
BusLogic_AppendProbeAddressISA(0x330);
- if (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe334 : check_region(0x334, BusLogic_MultiMasterAddressCount) == 0)
+ if (!BusLogic_ProbeOptions.LimitedProbeISA || BusLogic_ProbeOptions.Probe334)
BusLogic_AppendProbeAddressISA(0x334);
- if (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe230 : check_region(0x230, BusLogic_MultiMasterAddressCount) == 0)
+ if (!BusLogic_ProbeOptions.LimitedProbeISA || BusLogic_ProbeOptions.Probe230)
BusLogic_AppendProbeAddressISA(0x230);
- if (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe234 : check_region(0x234, BusLogic_MultiMasterAddressCount) == 0)
+ if (!BusLogic_ProbeOptions.LimitedProbeISA || BusLogic_ProbeOptions.Probe234)
BusLogic_AppendProbeAddressISA(0x234);
- if (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe130 : check_region(0x130, BusLogic_MultiMasterAddressCount) == 0)
+ if (!BusLogic_ProbeOptions.LimitedProbeISA || BusLogic_ProbeOptions.Probe130)
BusLogic_AppendProbeAddressISA(0x130);
- if (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe134 : check_region(0x134, BusLogic_MultiMasterAddressCount) == 0)
+ if (!BusLogic_ProbeOptions.LimitedProbeISA || BusLogic_ProbeOptions.Probe134)
BusLogic_AppendProbeAddressISA(0x134);
}
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)) {
+ if (PrimaryProbeInfo->IO_Address == 0 &&
+ (!BusLogic_ProbeOptions.LimitedProbeISA ||
+ BusLogic_ProbeOptions.Probe330)) {
PrimaryProbeInfo->HostAdapterType = BusLogic_MultiMaster;
PrimaryProbeInfo->HostAdapterBusType = BusLogic_ISA_Bus;
PrimaryProbeInfo->IO_Address = 0x330;
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))
+ if (!StandardAddressSeen[1] &&
+ (!BusLogic_ProbeOptions.LimitedProbeISA ||
+ BusLogic_ProbeOptions.Probe334))
BusLogic_AppendProbeAddressISA(0x334);
- if (!StandardAddressSeen[2] && (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe230 : check_region(0x230, BusLogic_MultiMasterAddressCount) == 0))
+ if (!StandardAddressSeen[2] &&
+ (!BusLogic_ProbeOptions.LimitedProbeISA ||
+ BusLogic_ProbeOptions.Probe230))
BusLogic_AppendProbeAddressISA(0x230);
- if (!StandardAddressSeen[3] && (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe234 : check_region(0x234, BusLogic_MultiMasterAddressCount) == 0))
+ if (!StandardAddressSeen[3] &&
+ (!BusLogic_ProbeOptions.LimitedProbeISA ||
+ BusLogic_ProbeOptions.Probe234))
BusLogic_AppendProbeAddressISA(0x234);
- if (!StandardAddressSeen[4] && (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe130 : check_region(0x130, BusLogic_MultiMasterAddressCount) == 0))
+ if (!StandardAddressSeen[4] &&
+ (!BusLogic_ProbeOptions.LimitedProbeISA ||
+ BusLogic_ProbeOptions.Probe130))
BusLogic_AppendProbeAddressISA(0x130);
- if (!StandardAddressSeen[5] && (BusLogic_ProbeOptions.LimitedProbeISA ? BusLogic_ProbeOptions.Probe134 : check_region(0x134, BusLogic_MultiMasterAddressCount) == 0))
+ if (!StandardAddressSeen[5] &&
+ (!BusLogic_ProbeOptions.LimitedProbeISA ||
+ BusLogic_ProbeOptions.Probe134))
BusLogic_AppendProbeAddressISA(0x134);
}
/*
HostAdapter->PCI_Device = ProbeInfo->PCI_Device;
HostAdapter->IRQ_Channel = ProbeInfo->IRQ_Channel;
HostAdapter->AddressCount = BusLogic_HostAdapterAddressCount[HostAdapter->HostAdapterType];
+
+ /*
+ Make sure region is free prior to probing.
+ */
+ if (!request_region(HostAdapter->IO_Address, HostAdapter->AddressCount,
+ "BusLogic"))
+ continue;
/*
Probe the Host Adapter. If unsuccessful, abort further initialization.
*/
- if (!BusLogic_ProbeHostAdapter(HostAdapter))
+ if (!BusLogic_ProbeHostAdapter(HostAdapter)) {
+ release_region(HostAdapter->IO_Address, HostAdapter->AddressCount);
continue;
+ }
/*
Hard Reset the Host Adapter. If unsuccessful, abort further
initialization.
*/
- if (!BusLogic_HardwareResetHostAdapter(HostAdapter, true))
+ if (!BusLogic_HardwareResetHostAdapter(HostAdapter, true)) {
+ release_region(HostAdapter->IO_Address, HostAdapter->AddressCount);
continue;
+ }
/*
Check the Host Adapter. If unsuccessful, abort further initialization.
*/
- if (!BusLogic_CheckHostAdapter(HostAdapter))
+ if (!BusLogic_CheckHostAdapter(HostAdapter)) {
+ release_region(HostAdapter->IO_Address, HostAdapter->AddressCount);
continue;
+ }
/*
Initialize the Driver Options field if provided.
*/
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.
*/
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.
+
+ 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 (BusLogic_ReadHostAdapterConfiguration(HostAdapter) &&
BusLogic_ReportHostAdapterConfiguration(HostAdapter) &&
*/
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;
+ struct SCSI_Inquiry *InquiryResult =
+ (struct SCSI_Inquiry *) scsi_sglist(Command);
TargetFlags->TargetExists = true;
TargetFlags->TaggedQueuingSupported = InquiryResult->CmdQue;
TargetFlags->WideTransfersSupported = InquiryResult->WBus16;
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;
+ int BufferLength = scsi_bufflen(Command);
+ int Count;
struct BusLogic_CCB *CCB;
/*
SCSI REQUEST_SENSE commands will be executed automatically by the Host
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);
+ Count = scsi_dma_map(Command);
+ BUG_ON(Count < 0);
+ if (Count) {
+ struct scatterlist *sg;
+ int i;
+
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);
+
+ scsi_for_each_sg(Command, sg, Count, i) {
+ CCB->ScatterGatherList[i].SegmentByteCount =
+ sg_dma_len(sg);
+ CCB->ScatterGatherList[i].SegmentDataPointer =
+ sg_dma_address(sg);
}
- } else {
+ } else if (!Count) {
CCB->Opcode = BusLogic_InitiatorCCB;
CCB->DataLength = BufferLength;
CCB->DataPointer = 0;
}
+
switch (CDB[0]) {
case READ_6:
case READ_10:
}
}
memcpy(CCB->CDB, CDB, CDB_Length);
- CCB->SenseDataLength = sizeof(Command->sense_buffer);
+ CCB->SenseDataLength = SCSI_SENSE_BUFFERSIZE;
CCB->SenseDataPointer = pci_map_single(HostAdapter->PCI_Device, Command->sense_buffer, CCB->SenseDataLength, PCI_DMA_FROMDEVICE);
CCB->Command = Command;
Command->scsi_done = CompletionRoutine;
__setup("BusLogic=", BusLogic_Setup);
+#ifdef MODULE
static struct pci_device_id BusLogic_pci_tbl[] __devinitdata = {
{ PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ }
};
+#endif
MODULE_DEVICE_TABLE(pci, BusLogic_pci_tbl);
module_init(BusLogic_init);