Add camcontrol support for the SCSI sanitize command

Reviewed by: ken, mjacob (eariler version)
Sponsored by: Netapp

Merge from head

IFC @ r254014

IFC @253398

Merge fresh head.

mdoc: remove superfluous paragraph macro.

Adds Host Protected Area (HPA) support for ATA disks to camcontrol

Reviewed by: mav
Approved by: pjd (mentor)
MFC after: 2 weeks

sync from head

Remove contractions.

mdoc: new sentence should be on a new line. Also remove EOL whitespace while
here.

mdoc: remove superfluous paragraph macro.

Adds security options to camcontrol this includes the ability to secure erase
disks such as SSD's

Adds the ability to run ATA commands via the SCSI ATA Pass-Through(16) comand

Reviewed by: mav
Appr

Adds security options to camcontrol this includes the ability to secure erase
disks such as SSD's

Adds the ability to run ATA commands via the SCSI ATA Pass-Through(16) comand

Reviewed by: mav
Approved by: pjd (mentor)
MFC after: 2 weeks

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Sync from head

Merge head r236710 through r238467.

IFC @238412.

IFC @ r238370

Change 'camcontrol defects' to first probe a drive to find out how much
defect information it has before grabbing the full defect list.

This works around a bug with some Hitachi drives that generate

Change 'camcontrol defects' to first probe a drive to find out how much
defect information it has before grabbing the full defect list.

This works around a bug with some Hitachi drives that generate data overrun
errors when they are asked for more defect data than they have.

The change is done in a spec-compliant way, so it should have no negative
impact on drives that don't have this issue.

This is based on work originally done at Sandvine.

scsi_da.h: Add a define for the maximum amount of data that can be
contained in a defect list.

camcontrol.c: Update the readdefects() function to issue an initial
command to determine the length of the defect list, and
then use that length in the request for the full defect
list.

camcontrol.8: Add a note that some drives will report 0 defects available
if you don't request either the PLIST or GLIST.

Submitted by: Mark Johnston <markjdb@gmail.com> (original version)
MFC after: 3 days

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Merge head r233826 through r236710.

Minor spelling fixes.

Merge head r233826 through r236557.

Add -p argument for `camcontrol debug` to allow enabling CAM_DEBUG_PROBE
added at r208911.

MFC

IFC @ r234692

sys/amd64/include/cpufunc.h
sys/amd64/include/fpu.h
sys/amd64/amd64/fpu.c
sys/amd64/vmm/vmm.c

- Add API to allow vmm FPU state init/save/restore.

FP stuff discussed with: kib

Merge head r232686 through r233825 into projects/pf/head.

Remove trailing whitespace per mdoc lint warning

Disussed with: gavin
No objection from: doc
Approved by: joel
MFC after: 3 days