Specifications

READ_SYSTIME macro, 2–52
example, 2–52
Real time device, 1–89, 1–91
Record oriented device, 1–88
Register-dumping routine, 1–37, 1–98, 2–50, 3–11,
3–91, 3–112, 3–113, 4–15
address, 4–15
context, 4–15
entry point, 4–15
exit method, 4–15
functions, 4–16
input, 4–15
register usage, 4–15
synchronization requirements, 4–15
Reinitialization table, 1–41, 2–26
RELALT macro, 2–53, 3–114
RELCHAN macro, 2–54, 3–116
RELDPR macro, 2–55, 3–117
RELMPR macro, 2–56, 3–119
RELSCHAN macro, 2–57, 3–121
Remote terminal UCB extension, 1–89
REQALT macro, 3–129
REQCOM macro, 2–59, 3–131
REQDPR macro, 2–60, 3–133
REQMPR macro, 2–61, 3–135
REQPCHAN macro, 2–62, 3–137
REQSCHAN macro, 2–63, 3–137
Resource wait mode, 3–14, 3–24, 3–26
Resource wait queue
See also Alternate map register wait queue,
Device controller data channel wait queue
See also Data path wait queue, Map register
wait queue, Secondary controller data
channel wait queue
buffered data path, 3–118
RUN processor state, 1–16
S
SAVIPL macro, 2–64
SCB (system control block), 1–7
SCDRP$L_BCNT field
passing values, 2–79, 2–81, 2–88
SCDRP$L_CMD_PTR field
passing values, 2–81, 2–88
SCDRP$L_SCSI_FLAGS field
passing values, 2–80
SCDRP$L_STS_PTR field
passing values, 2–82, 2–89
SCDRP$L_SVAPTE field
passing values, 2–80
SCDRP$L_SVA_SPTE field
passing values, 2–80
SCDRP$L_SVA_USER field
passing values, 2–80, 2–82, 2–89
SCDRP$L_TRANS_CNT field
passing values, 2–82, 2–89
SCDRP$W_BOFF field
passing values, 2–79
SCDRP$W_FUNC field
passing values, 2–82, 2–89
SCDRP$W_MAPREG field
passing values, 2–80
SCDRP$W_NUMREG field
passing values, 2–80
SCDRP$W_PAD_BCNT field
passing values, 2–81, 2–88
SCDRP$W_STS field
passing values, 2–80
SCDRP (SCSI class driver request packet), 1–54
to 1–65
SCDT (SCSI connection descriptor table), 1–66 to
1–73
SCH$POSTEF, 1–46
SCHED spinlock, 3–23
SCS (system communications services), 1–40
SCSI-2 status
getting characteristics, 2–77
setting characteristics, 2–92
SCSI bus
releasing in AEN operation, 2–84
resetting, 2–86
sensing phase of, 2–90
setting phase of, 2–94
SCSI class driver request packet
See SCDRP
SCSI command
determining timeout setting for, 2–77
disabling retry, 2–76, 2–91
enabling retry, 2–76
getting DMA timeout for, 2–77
getting phase change timeout for, 2–77
sending to SCSI-2 device, 2–81
sending to SCSI device, 2–88 to 2–89
setting disconnect timeout for, 2–77, 2–92
setting DMA timeout for, 2–92
setting phase change timeout for, 2–92
terminating, 2–68
SCSI command byte
buffering, 2–69
SCSI connection descriptor table
See SCDT
SCSI port descriptor table
See SPDT
Secondary controller data channel, 2–57
obtaining ownership of, 2–63, 3–137
releasing, 3–121
Secondary controller data channel wait queue,
3–121, 3–138
Set device characteristics function, 1–90, 1–91
Index–11