sam e6589a620a Add support to eliminate a context switch per crypto op when using the
software crypto device:

o record crypto device capabilities in each session id
o add a capability that indicates if the crypto driver operates synchronously
o tag the software crypto driver as operating synchronously

This commit also introduces crypto session id macros that cleanup their
construction and querying.
2003-06-27 20:07:10 +00:00
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