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Say hello to Streamer (tape) device support

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Implements the mandatory and a few optional commands for tandberd see
https://bitsavers.org/pdf/tandbergData/TDC4100/6047-1_TDC-4100_SCSI-2_Interface_Functional_Specification_Aug1991.pdf
for more info.

Fixed #480
This commit is contained in:
BogDan Vatra
2024-08-14 12:09:59 +03:00
committed by Daniel Markstedt
parent 65e2729190
commit a985fc83e4
33 changed files with 1235 additions and 107 deletions
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cpp/controllers/scsi_controller.cpp
+9 -9
View File
@@ -739,9 +739,9 @@ bool ScsiController::XferIn(vector<uint8_t>& buf)
case scsi_command::eCmdRead6:
case scsi_command::eCmdRead10:
case scsi_command::eCmdRead16:
// Read from disk
// Read from StorageDevice
try {
SetLength(dynamic_pointer_cast<Disk>(GetDeviceForLun(lun))->Read(buf, GetNext()));
SetLength(dynamic_pointer_cast<StorageDevice>(GetDeviceForLun(lun))->Read(buf, GetNext()));
}
catch(const scsi_exception&) {
// If there is an error, go to the status phase
@@ -819,13 +819,13 @@ bool ScsiController::XferOutBlockOriented(bool cont)
break;
}
auto disk = dynamic_pointer_cast<Disk>(device);
if (disk == nullptr) {
auto storage = dynamic_pointer_cast<StorageDevice>(device);
if (storage == nullptr) {
return false;
}
try {
disk->Write(GetBuffer(), GetNext() - 1);
storage->Write(GetBuffer(), GetNext() - 1);
}
catch(const scsi_exception& e) {
Error(e.get_sense_key(), e.get_asc());
@@ -836,7 +836,7 @@ bool ScsiController::XferOutBlockOriented(bool cont)
// If you do not need the next block, end here
IncrementNext();
if (cont) {
SetLength(disk->GetSectorSizeInBytes());
SetLength(storage->GetSectorSizeInBytes());
ResetOffset();
}
@@ -846,15 +846,15 @@ bool ScsiController::XferOutBlockOriented(bool cont)
case scsi_command::eCmdVerify10:
case scsi_command::eCmdVerify16:
{
auto disk = dynamic_pointer_cast<Disk>(device);
if (disk == nullptr) {
auto storage = dynamic_pointer_cast<StorageDevice>(device);
if (storage == nullptr) {
return false;
}
// If you do not need the next block, end here
IncrementNext();
if (cont) {
SetLength(disk->GetSectorSizeInBytes());
SetLength(storage->GetSectorSizeInBytes());
ResetOffset();
}