Filter
Top Products
Intel
®
EP80579 Software for Security Applications on Intel
®
QuickAssist Technology
August 2009 PG
Order Number: 320183-004US 33
ASD Module Architecture Overview—Security Software
Table 6. Cryptographic System Resource Variables
Parameter Name Description
Default
Value
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
Table 7. Resource Variables
Parameter Name Description
Default
Value
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
Note: 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