Copy stable/10@r272459 to releng/10.1 as part of
the 10.1-RELEASE process.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Decode common state bits in getencstat output.

Add -c option to sesd to make it clear enclosure status after reading it
in case if it is not permanent and was fixed.

Rise priority of the informational messages from LOG_INFO to LOG_NOTICE,
same as used for OK status. Otherwise it looks strange when OK status is
reported, while informational is not.

Fix a minor typo.

MFprojects/zfsd:
Revamp the CAM enclosure services driver.
This updated driver uses an in-kernel daemon to track state changes and
publishes physical path location information\for disk elements into the
CAM device database.

Sponsored by: Spectra Logic Corporation
Sponsored by: iXsystems, Inc.
Submitted by: gibbs, will, mav

Change new constant names to ones used by OpenSolaris.

Oops, fix typo in r222336.

Add names for few more SES element types according SES-2 specification.

Cleanup code to make it WARNS=6 clean:

- ANSIfy prototypes;
- Add __unused for parameters that is not being currently used;
- Add a header for subrountines being called from other modules.

Reviewed by: mjacob

Include string.h for prototype of strcmp().

Update SES userland examples to something out of the toy stage.
Approved: jkh