ibm3206k0424 ETC-unknow, ibm3206k0424 Datasheet - Page 265

• Manufacturer Part Number: ibm3206k0424
• Description: Ibm Processor For Network Resources
• Manufacturer: ETC-unknow

Preliminary
9.15: POOLS Status Register
The POOLS Status Register provides status information about pools operations. See Note on Set/Clear Type
Registers on page 93 for more details on addressing.
Length
Type
Address
Power on Reset value
Restrictions
pnr25.chapt04.01
August 14, 2000
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
31-21
Bit(s)
20
19
18
17
16
15
14
13
12
Reserved
POOLs Event Issued
Packet Memory Access Timer
Expired
Control Memory Access Timer
Expired
POOLs Locked
Initialization Error Detected
Unused Buffer Freed Error
Bad Map Detected
Active Count Error Detected
Bad Index Detected
Reserved
Function
32 bits
Clear/Set
XXXX 3080 and 084
X’00 00 00 00’
During normal operations, if a status bit is cleared, it will be reset if the condition
that is causing it is still present.
Reserved
This bit is set when a POOLs event is issued.
This bit is set when the Packet Memory access timer hits the Packet Memory
access threshold and the control bit in the control register is set to enable this func-
tion.
This bit is set when the Control Memory access timer hits the Control Memory
access threshold and the control bit in the control register is set to enable this func-
tion.
This bit is set when a lock enable bit is set and the corresponding status bit is set.
This causes all state machines to be held in idle once this bit is set. It is the func-
tional equivalent to POOLS Control Register bit 0.
This bit is set when too many indexes are freed to a queue.
This bit is set when a previously freed buffer is detected during a free operation.
This typically would occur when the buffer was freed two or more times.
This bit is set when a bad map is detected during a free operation.
This bit is set when an active packet count is decremented from ’0’ to X’FFFF’. This
is most likely the result of a subtle map corruption where a POOL ID has been
changed.
This bit is set when an Index Threshold is crossed.
Description
IBM Processor for Network Resources
9
8
Buffer Pool Management (POOLS)
7
6
5
4
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