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February 12, 2018 UPDATE
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I've fixed the SCSI Tape End-Of-File read problems.
The st.c driver has some very bizarre code interpreting the SCSI status blocks.
With that said, I found two issues:
1. When a short-record was read, it was not setting bp->b_resid
to the correct shorter length in certain cirumstances; and
2. When a tapemark was read, bp->b_resid was not being set to
indicate no bytes read.
I've tested the my changes extensively and I'm satisfied that SCSI Tape
functionality is working as it should now.
Current device probe configurations (in order):
| Device | Type | CSR/Port | IRQ/PIC | Memory |
|---|---|---|---|---|
| hd | Hard Disk | 0x1f0 | 14 | |
| HD Drive 0 | 0x104 | 14 | ||
| HD Drive 1 | 0x1f0 | 14 | ||
| fd | Floppy | 0x3f2 | 6 | |
| sd | SCSI Controller | 0x330 | 11 | |
| pc586 | PC Network | 9 | 0xd0000 | |
| Alternate 1 | 5 | 0xc0000 | ||
| Alternate 2 | 12 | 0xf0000 | ||
| wd | SMC 80x3 Ethernet | 0x280 | 3 | 0xd0000 |
| Alternate 1 | 0x2a0 | 5 | 0xd0000 | |
| Alternate 2 | 0x2e0 | 10 | 0xd0000 | |
| Alternate 3 | 0x300 | 10 | 0xcc000 | |
| 3c501 | 3Com #C501 Ethernet | 0x300 | 9 | |
| Mouse | Mouse Driver | 0x23c | 4 | |
| com | Serial Port 1 | 0x3f8 | 4 | |
| Serial Port 2 | 0x2f8 | 3 | ||
| Serial Port 3 | 0x3e8 | 5 | ||
| Serial Port 4 | 0x2e8 | 10 | ||
| lpr | Parallel Port | 0x378 | 7 | |
| wt | Wangtek Tape | 0x300 | 5 | |
| Alternate 1 | 0x288 | 5 | ||
| Alternate 2 | 0x338 | 5 |