Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

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

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

Start each of the license/copyright comments with /*-

scsi_message.h:
Include PPR option bits defined in SPI4.

scsi_iu.h:
Add data structures releated to parallel SCSI information units
for use in SPI4 packetized protocol.

0x03F -> 0x3F for consistancy with the rest of the file.

Remove duplicate FreeBSD RCSID.

scsi_all.c:
Clean up the comments related to the high speed
sync rate table for SPI.

scsi_message.h:
Bring in some SCSI3 message terminology. All SCSI2 names
are still preserved for backwards compatibility.

Add $FreeBSD$

SCSI Peripheral drivers for CAM:

da - Direct Access Devices (disks, optical devices, SS disks)
cd - CDROM (or devices that can act like them, WORM, CD-RW, etc)
ch - Medium Changer devices.
sa - Sequential Access Devices (tape drives)
pass - Application pass-thru driver
targ - Target Mode "Processor Target" Emulator
pt - Processor Target Devices (scanners, cpus, etc.)

Submitted by: The CAM Team