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Reviewed by: sam
Tested on: hifn(4), ubsec(4)
Compile-tested: safe(4)
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o replace driver-global lock with three locks: one for the handling of mcr1
operations, one for handling of mcr2 operations, and one for the mcr1
free list
o mark the interrupt handler MPSAFE
o don't use locking on detach; disabling interrupts is sufficient (I think)
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conditional in each driver on foo_RNDTEST being defined_
o bring HIFN_DEBUG and UBSEC_DEBUG out to be visible options; they control
the debugging printfs that are set with hw.foo.debug (e.g. hw.hifn.debug)
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o create a separate tag for each object allocated with bus_dmamem_alloc so
the tag's maxsize is setup appropriately; this reduces memory allocation
for the queue descriptors from 16M to what it should be and also fixes
memory allocation for public key operands
o release bus dma resources on detach so module usage doesn't leak
o remove public key op disable now that bus dma memory allocation is fixed
o collect attach error handling in one place
Sponsored by: Vernier Networks
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aggregation tunable and set it to 1 to minimize latency
Sponsored by: Vernier Networks
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currently disabled):
o Don't use constants for the output parameter, use the iparam count as a
pointer to the first result location.
o Fix bits vs bytes counting problems.
o Split out the hardware and software normalization versions of modexp.
o Enable hardware normalization for chips that support it.
o On reset, disable hardware normalization for 582x and make sure the
chip is in little endian mode.
o Since sw normalization is now the only option, simplify normalization
handling.
Also fix RNG harvesting: disabling PK support (for the moment) had disabled
the MCR2 interrupt; consider both KEY support and RNG support when deciding
whether or not to enable it.
Obtained from: openbsd
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cards. Supposed to work with several others.
Obtained from: openbsd
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