Fix some modules to export more used symbols

(cherry picked from commit 5bb3134a8c21cb87b30e135ef168483f0333dabb)

Introduce LINUXKPI_GENSRCS.

Centralize the list of generated files required by linuxkpi consumers,
into the common variable. This way, consumers that use the variable
are insulated from possible ch

Introduce LINUXKPI_GENSRCS.

Centralize the list of generated files required by linuxkpi consumers,
into the common variable. This way, consumers that use the variable
are insulated from possible changes in the list.

Reviewed by: hselasky, imp
Sponsored by: Mellanox Technologies
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D24137

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Add pci_iov_if.h header as a dependency for Linuxkpi consumers.

Sponsored by: Mellanox Technologies
MFC after: 2 weeks

Initial RoCE/infiniband kernel update to Linux v4.9.

This patch currently supports:
- ibcore as a kernel module only
- krping as a kernel module only
- ipoib as a kernel module only

Sponsored by: M

Initial RoCE/infiniband kernel update to Linux v4.9.

This patch currently supports:
- ibcore as a kernel module only
- krping as a kernel module only
- ipoib as a kernel module only

Sponsored by: Mellanox Technologies

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sys/modules: normalize .CURDIR-relative paths to SRCTOP

This simplifies make output/logic

Tested with: `cd sys/modules; make ALL_MODULES=` on amd64
MFC after: 1 month
Sponsored by: Dell EMC Isilon

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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Globally enable -fms-extensions when building kernel with gcc, and remove
this option from all modules that enable it theirselves.
In C mode -fms-extensions option enables anonymous structs and uni

Globally enable -fms-extensions when building kernel with gcc, and remove
this option from all modules that enable it theirselves.
In C mode -fms-extensions option enables anonymous structs and unions,
allowing us to use this C11 feature in kernel. Of course, clang supports
it without any extra options.

Reviewed by: dim

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Update the infiniband stack to Mellanox's OFED version 2.1.

Highlights:
- Multiple verbs API updates
- Support for RoCE, RDMA over ethernet

All hardware drivers depending on the common infiniband

Update the infiniband stack to Mellanox's OFED version 2.1.

Highlights:
- Multiple verbs API updates
- Support for RoCE, RDMA over ethernet

All hardware drivers depending on the common infiniband stack has been
updated aswell.

Discussed with: np @
Sponsored by: Mellanox Technologies
MFC after: 1 month

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Start importing the basic OFED linux compatibility layer changes made
by dumbbell@ to be able to compile this layer as a dependency module.
Clean up some Makefiles and remove the no longer used OFED

Start importing the basic OFED linux compatibility layer changes made
by dumbbell@ to be able to compile this layer as a dependency module.
Clean up some Makefiles and remove the no longer used OFED define.
Currently only i386 and amd64 targets are supported.

MFC after: 1 month
Sponsored by: Mellanox Technologies

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Re-support CWARNFLAGS, lost when bsd.sys.mk was removed. Also, support
CWARNFALGS.$file centrally so we don't have to have it in all the
places. Remove a few warning flags that are no longer needed.

Re-support CWARNFLAGS, lost when bsd.sys.mk was removed. Also, support
CWARNFALGS.$file centrally so we don't have to have it in all the
places. Remove a few warning flags that are no longer needed.
Also, always use -Wno-unknown-pragma to (hopefully temporarily) work
around #pragma ident in debug.h in the opensolaris code. Remove some
stale warning suppression that's no longer necessary.

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Remove unnecessary inclusions of bsd.own.mk.

For sys/ofed/drivers/infiniband/core/cm.c, disable warning about unused
functions for now.

MFC after: 3 days

Similar to r260020, only use -fms-extensions with gcc, for all other
modules which require this flag to compile. Use a GCC_MS_EXTENSIONS
variable, defined in kern.pre.mk, which can be used to easily

Similar to r260020, only use -fms-extensions with gcc, for all other
modules which require this flag to compile. Use a GCC_MS_EXTENSIONS
variable, defined in kern.pre.mk, which can be used to easily supply the
flag (or not), depending on the compiler type.

MFC after: 3 days

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Fix make depend.

Approved by: re (glebius)

Update OFED to Linux 3.7 and update Mellanox drivers.

Update the OFED Infiniband core to the version supplied in Linux
version 3.7.

The update to OFED is nearly all additional defines and functions

Update OFED to Linux 3.7 and update Mellanox drivers.

Update the OFED Infiniband core to the version supplied in Linux
version 3.7.

The update to OFED is nearly all additional defines and functions
with the exception of the addition of additional parameters to
ib_register_device() and the reg_user_mr callback.

In addition the ibcore (Infiniband core) and ipoib (IP over Infiniband)
have both been made into completely loadable modules to facilitate
testing of the OFED stack in FreeBSD.

Finally the Mellanox Infiniband drivers are now updated to the
latest version shipping with Linux 3.7.

Submitted by: Mellanox FreeBSD driver team:
Oded Shanoon (odeds mellanox.com),
Meny Yossefi (menyy mellanox.com),
Orit Moskovich (oritm mellanox.com)

Approved by: re

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