Minor LinuxKPI code cleanup:
- Declare some static functions in linux_compat.c instead if inside
various header files.
- Prefix FreeBSD local functions in the LinuxKPI with "linux_" to
avoid symb

Minor LinuxKPI code cleanup:
- Declare some static functions in linux_compat.c instead if inside
various header files.
- Prefix FreeBSD local functions in the LinuxKPI with "linux_" to
avoid symbol name conflicts in the future and to make debugging
easier.
- Make the "struct kobj_ktype" declaractions constant to shave off a
few bytes from the data segment.

MFC after: 1 week
Sponsored by: Mellanox Technologies

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Make the kobject refcounting compliant with Linux. Refcounting on the
parent kobject cannot be factored out and must be done by the kobject
consumers.

MFC after: 1 week
Sponsored by: Mellanox Techno

Make the kobject refcounting compliant with Linux. Refcounting on the
parent kobject cannot be factored out and must be done by the kobject
consumers.

MFC after: 1 week
Sponsored by: Mellanox Technologies

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Reduce memory consumption when allocating kobject strings in the
LinuxKPI. Compute string length before allocating memory instead of
using fixed size allocations. Make kobject_set_name_vargs() global

Reduce memory consumption when allocating kobject strings in the
LinuxKPI. Compute string length before allocating memory instead of
using fixed size allocations. Make kobject_set_name_vargs() global
instead of inline to save some bytes when compiling.

MFC after: 1 week
Sponsored by: Mellanox Technologies

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Implement drain_workqueue() function.

MFC after: 1 week
Sponsored by: Mellanox Technologies

Minor workqueue cleanup:
- Make some functions global instead of inline to ease debugging.
- Fix some minor style issues.

MFC after: 1 week
Sponsored by: Mellanox Technologies

Add assert and note about the size of "unsigned long" inside the
LinuxKPI for the future.

Sponsored by: Mellanox Technologies

Build fixes:
- Add some missing I/O functions for non-i386 and amd64 platforms.
- Stub ioremap() to NULL using a macro to ensure non-existing memory
attributes are not referred when they do not exi

Build fixes:
- Add some missing I/O functions for non-i386 and amd64 platforms.
- Stub ioremap() to NULL using a macro to ensure non-existing memory
attributes are not referred when they do not exist.
- Add more header files to linux/list.h to resolve driver compilation
issues on Sparc64 and PowerPC platforms.

Sponsored by: Mellanox Technologies

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Finish process of moving the LinuxKPI module into the default kernel build.

- Move all files related to the LinuxKPI into sys/compat/linuxkpi and
its subfolders.
- Update sys/conf/files and some M

Finish process of moving the LinuxKPI module into the default kernel build.

- Move all files related to the LinuxKPI into sys/compat/linuxkpi and
its subfolders.
- Update sys/conf/files and some Makefiles to use new file locations.
- Added description of COMPAT_LINUXKPI to sys/conf/NOTES which in turn
adds the LinuxKPI to all LINT builds.
- The LinuxKPI can be added to the kernel by setting the
COMPAT_LINUXKPI option. The OFED kernel option no longer builds the
LinuxKPI into the kernel. This was done to keep the build rules for
the LinuxKPI in sys/conf/files simple.
- Extend the LinuxKPI module to include support for USB by moving the
Linux USB compat from usb.ko to linuxkpi.ko.
- Bump the FreeBSD_version.
- A universe kernel build has been done.

Reviewed by: np @ (cxgb and cxgbe related changes only)
Sponsored by: Mellanox Technologies

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