'RELENG_7_0_0_RELEASE'.

This commit was manufactured to restore the state of the 7.0-RELEASE image.

o make all crypto drivers have a device_t; pseudo drivers like the s/w
  crypto driver synthesize one
o change the api between the crypto subsystem and drivers to use kobj;
  cryptodev_if.m defines this api
o use the fact that all crypto drivers now have a device_t to add support
  for specifying which of several potential devices to use when doing
  crypto operations
o add new ioctls that allow user apps to select a specific crypto device
  to use (previous ioctls maintained for compatibility)
o overhaul crypto subsystem code to eliminate lots of cruft and hide
  implementation details from drivers
o bring in numerous fixes from Michale Richardson/hifn; mostly for
  795x parts
o add an optional mechanism for mmap'ing the hifn 795x public key h/w
  to user space for use by openssl (not enabled by default)
o update crypto test tools to use new ioctl's and add cmd line options
  to specify a device to use for tests

These changes will also enable much future work on improving the core
crypto subsystem; including proper load balancing and interposing code
between the core and drivers to dispatch small operations to the s/w
driver as appropriate.

These changes were instigated by the work of Michael Richardson.

Reviewed by:	pjd
Approved by:	re

  bus_setup_intr()

o add an int return code to all fast handlers

o retire INTR_FAST/IH_FAST

For more info: http://docs.freebsd.org/cgi/getmsg.cgi?fetch=465712+0+current/freebsd-current

Reviewed by: many
Approved by: re@

Submitted by:	Stepan A. Baranov

This corresponds to OpenBSD rev. 1.134:

: revision 1.134
: date: 2004/05/04 16:59:31;  author: grange;  state: Exp;  lines: +10 -10
: Remove useless ``elm'' argument from the SIMPLEQ_REMOVE_HEAD macro.
: This matches our SLIST behaviour and NetBSD's SIMPLEQ as well.
:
: ok millert krw deraadt

  alloc'ing mbufs so that there is less error handling required.
- Go ahead and account for the data space in the first mbuf before entering
  the loop to alloc more mbuf's.  This simplifies the loop logic and avoids
  confusing Coverity.

CID:		817
Reviewed by:	sam
Tested by:	pjd
Found by:	Coverity Prevent (tm)

of the function.
It was wrong anyway, because we also support uio's structures, not only
mbufs.