Specifications

SHOW BUS command
in System Management utility (SYSMAN),
10–9
SHOW DEVICE command
in System Management utility (SYSMAN),
10–10
SHOW PREFIX command
in System Management utility (SYSMAN),
10–12
Software timer interrupt service routine, 8–3
Solicited interrupt
See Device interrupt
Spinlock, 1–6
SS$_ABORT, 8–5
Stack
device driver use of, 6–1
Start I/O routine
address, 4–3
Start-I/O routine, 1–3
context, 6–1, 6–2
kernel process, 4–4
register usage, 6–1
synchronization requirements, 6–3
transferring control to, 6–1, 8–3
writing, 6–1
Synchronization techniques, 1–6
SYS$AR_OPRMBX, 8–6
SYS$ASSIGN, 1–5
SYS$CANCEL, 1–3
SYS$QIO, 1–1
SYSMAN
commands
IO
AUTOCONFIGURE, 10–4
CONNECT, 10–5
SET PREFIX, 10–8
SHOW BUS, 10–9
SHOW DEVICE, 10–10
SHOW PREFIX, 10–12
I/O configuration support, 10–3
System context, 1–7
System Management utility (SYSMAN)
See SYSMAN
System page-table entry
allocating permanent, 4–2
System parameters
displaying
I/O subsystems, 10–10
T
Timeout
caused by power failure recovery procedure,
8–4
disabling, 8–1
logging, 8–5
Timeout enable bit
See UCB$V_TIM
Timeout handling routine, 1–3, 7–2, 8–3 to 8–7
aborting an I/O request in, 8–5 to 8–6
address, 8–1
context, 8–4
functions, 8–4
retrying an I/O operation in, 8–5
Timeout interval
specifying, 8–3
U
UCB$B_DIPL, 8–4
UCB$B_ERTCNT, 8–3
UCB$B_FLCK, 8–1
UCB$L_DUETIM, 8–4
UCB$L_EMB, 8–3
UCB$L_FPC, 7–2
UCB$L_FR3, 7–2, 8–1, 8–4
UCB$L_FR4, 7–2, 8–1, 8–4
UCB$L_IOQFL, 8–3
UCB$L_IRP, 8–3
UCB$L_STS, 6–3
UCB$L_SVAPTE, 6–2
UCB$V_BSY, 5–5, 8–3
UCB$V_CANCEL, 8–5, 8–6
UCB$V_ERLOGIP, 8–3
UCB$V_INT, 7–2, 8–4
UCB$V_POWER, 6–3, 8–4
UCB$V_TIM, 8–1, 8–4
UCB$V_TIMOUT, 8–4
UCB$W_BCNT, 6–2
UCB$W_BOFF, 6–2
UCB (unit control block), 1–4
number to be created, 4–2
UCB_DEVSTS, 8–3
Unit delivery routine
address, 4–2
Unit initialization routine, 1–3
address, 4–3
allocating controller data channel in, 6–3, 8–2
Unsolicited interrupt
See Device interrupt
Upper-level FDT action routine, 5–1, 5–2 to 5–3
identifying, 4–5
V
Volume valid bit
See UCB$V_VALID
Index–5