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SBCSCSI/D1 E-11
E
NOTE: Command may be issued prior to the first attach.
Table E-1. SDL Direct Access Commands
cmd hex code arg argp notes
ATTACH 0x06 Driver status routine Pointer to work area Uses SCSI-2 mode
pages
RD_SCAT_GAT 0x07 Start block Pointer to S/G list S/G list longword
aligned
WR_SCAT_GAT 0x08 Start block Pointer to S/G list S/G list longword
aligned
SAFE_READ 0x09 Size of buffer/
Number of blocks
Pointer to buffer Boot device read
INQIRY (NOTE) 0x0A Size in bytes of
inquiry data
Pointer to buffer Device dependent
format
PASS_THRU
(NOTE)
0x0B Address of status
routine
Pointer to buffer arg=0, FILTERED
mode
SCSI_RST
(NOTE)
0x0C Not used Not used Resets all devices
on SCSI Bus
CNTL_RST
(NOTE)
0x0D Not used Not used Resets speciÞed
SCSI controller
RESRVE 0x0E 0 = Release,
1 = Reserve
Not used State = released
after 1st ATTACH
CHG_INTR
(NOTE)
0x0F Interrupt level Not used Change SIOP
interrupt level
GET_INFO 0x10 Size of argp data area Pointer to data area Get peripheral
information
FORMAT 0x20 Defect list length Pointer to defect list Device DeÞned
Defect List
ASG_ALTS 0x21 Defect list length Pointer to defect list Device DeÞned
Defect List
DEF_FORMAT 0x22 Size of argp data area Pointer to data area Restores all pages
to default
RD_CAPACITY 0x23 Returned block size Returned block
capacity
Read capacity