IDT 89HPES24N3A, User Manual

Page: 157 / 168

IDT Configuration Registers
PES24N3A User Manual 9 - 63 April 10, 2008
Notes
SWTORCTL - Switch Time-Out Reporting Control (0x758)
2 CPTLPTO RW1C 0x0 Completion TLP Time-Out. This bit is set when a TLP is
discarded from the port’s IFB completion queue because of
a time-out.
3 ITLPTO RW1C 0x0 Inserted TLP Time-Out. This bit is set when a TLP is dis-
carded from the port’s IFB insertion queue because of a
time-out.
31:4 Reserved RO 0x0 Reserved field.
Bit
Field
Field
Name
Type
Default
Value
Description
1:0 PTLPTO RW 0x2
Sticky
Posted TLP Time-Out Reporting. This field controls the
manner in which posted TLP time-outs are reported. A time-
out is reported as specified in this field whenever the corre-
sponding bit in the Switch Time-Out Status (SWTOSTS)
register transitions from a zero to a one.
0x0 - (none) The time-out is not reported
0x1 - (correctable) The port generates an ERR_COR mes-
sage to the root.
0x2 - (nonfatal) The port generates an ERR_NONFATAL
message to the root.
0x3 - (fatal) The port generates an ERR_FATAL message to
the root.
3:2 NPTLPTO RW 0x0
Sticky
Non-Posted TLP Time-Out Reporting. This field controls
the manner in which non-posted TLP time-outs are reported.
A time-out is reported as specified in this field whenever the
corresponding bit in the Switch Time-Out Status
(SWTOSTS) register transitions from a zero to a one.
0x0 - (none) The time-out is not reported
0x1 - (correctable) The port generates an ERR_COR mes-
sage to the root.
0x2 - (nonfatal) The port generates an ERR_NONFATAL
message to the root.
0x3 - (fatal) The port generates an ERR_FATAL message to
the root.
5:4 CPTLPTO RW 0x0
Sticky
Completion TLP Time-Out Reporting. This field controls
the manner in which completion TLP time-outs are reported.
A time-out is reported as specified in this field whenever the
corresponding bit in the Switch Time-Out Status
(SWTOSTS) register transitions from a zero to a one.
0x0 - (none) The time-out is not reported
0x1 - (correctable) The port generates an ERR_COR mes-
sage to the root.
0x2 - (nonfatal) The port generates an ERR_NONFATAL
message to the root.
0x3 - (fatal) The port generates an ERR_FATAL message to
the root.
Bit
Field
Field
Name
Type
Default
Value
Description