Intel EP80579 User Manual

Intel

®

 EP80579 Software for Security Applications on Intel

®

 QuickAssist Technology

August 2009

PG

Order Number: 320183-004US

33

NUM_CONCURRENT_LAC_SYMMETRIC_REQUESTS

Number of concurrent Cryptographic 

(LAC) symmetric requests allowed. 

Resources will be allocated during system 

initialization to support the specified 

number of concurrent requests. 

Specifically, this affects LAC Cipher, Hash 

and Combined Cipher and Hash requests, 

LAC Key and Mask Generation requests, 

and LAC Random Number Generation 

requests.

768

NUM_CONCURRENT_LAC_ASYMMETRIC_REQUESTS

Number of concurrent Cryptographic 

(LAC) asymmetric requests allowed. 

Resources will be allocated during system 

initialization to support this number. 

Specifically, this affects LAC Public Key 

Encryption requests for RSA, DSA, Diffie-

Hellman, Prime Number Testing and Large 

Number Operations.

512

LAC_RANDOM_CACHE_SIZE

Size of a buffer used to preallocate LAC 

random numbers in a cache to use in 

synchronous mode. 

131070

ET_RING_LOOKASIDE_INTERRUPT_COALESCING_ENABLE

Enable interrupt coalescing on the 

ring.

1

ET_RING_LOOKASIDE_COALESCE_TIMER_NS

Frequency of coalesced interrupt for 

the ring in nanoseconds 

The resolution of this timer is 

SKU-dependent with a 

minimum accuracy of 5 

nanoseconds.

10000

ET_RING_MSI_INTERRUPT_ENABLE

Enable MSI interrupts for the ring 

controller. This setting improves 

performance, taking advantage of 

fully implemented APIC. 
0 = Use INTx interrupts

1 = Use MSI interrupts (Default) 

1

ET_RING_FAST_INTERRUPT_ENABLE

Supported on FreeBSD only: 

Enable FAST (filtered) Interrupts for 

the Ring Controller. This setting 

improves performance.
Enable it only if the registered 

callback will not execute any 

potentially blocking operation.
0 = FAST interrupts disabled

1 = FAST interrupts enabled (Default)

1