sys: Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

mrsas module: Use MACHINE_ARCH exlcusively

TARGET_ARCH is always wrong when not used at the toplevel Makefile*, or
in something that has to be included from there. Switch to using
MACHINE_ARCH exclu

mrsas module: Use MACHINE_ARCH exlcusively

TARGET_ARCH is always wrong when not used at the toplevel Makefile*, or
in something that has to be included from there. Switch to using
MACHINE_ARCH exclusively here since there's no benefit from assigning
TARGET_ARCH the value of MACHINE_ARCH and then using TARGET_ARCH (and
make TARGET_ARCH=xxx won't work).

Sponsored by: Netflix

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Don't define _STANDALONE when building kernel modules.

_STANDALONE is only for the bootloader, not kernel modules. Remove it
from the build. This was harmless before, but sys/malloc.h now does
diffe

Don't define _STANDALONE when building kernel modules.

_STANDALONE is only for the bootloader, not kernel modules. Remove it
from the build. This was harmless before, but sys/malloc.h now does
different things for the standalone environment, triggering the issue.

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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

Reintegrate head: r274132-r277384

Sponsored by: The FreeBSD Foundation

Reintegrate head revisions r273096-r277147

Sponsored by: The FreeBSD Foundation

Merge from head@274682

Sync to HEAD@r274297.

clean removes @ and machine now, so no need to do it again.

Reintegrate head@r273095

Sponsored by: The FreeBSD Foundation

Merge HEAD@r272944.

IFC @r272887

Sync to HEAD@r272825.

Fix the minor svn add issue. $FreeBSD$ expands at the time of
snv add, so I have added $FreeBSD$ as comment.

This commit is contininous of last mrsas commit, so that compilation
does not break.

Obt

Fix the minor svn add issue. $FreeBSD$ expands at the time of
snv add, so I have added $FreeBSD$ as comment.

This commit is contininous of last mrsas commit, so that compilation
does not break.

Obtained from: AVAGO Technologies
MFC after: 2 weeks

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This is a feature provided to run 32-bit linux binaries on FreeBSD 64bit
machine, for which 32bit compatibilty code has been added.
As in linux there is only one device entry that is used to fire IOC

This is a feature provided to run 32-bit linux binaries on FreeBSD 64bit
machine, for which 32bit compatibilty code has been added.
As in linux there is only one device entry that is used to fire IOCTL commands,
a new device entry megaraid_sas_ioctl_node is added for solely this
purpose.

From one dev node i.e mrgaraid_sa_ioctl_node we have to find out the
controller instance in case of multicontroller, for which one management info
structure has been added.

Reviewed by: ambrisko
MFC after: 2 weeks
Sponsored by: AVAGO Technologies

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MFC @ r266724

An SVM update will follow this.

IFC @266473

Merge from head

Add mrsas(4) driver from LSI official support of newer MegaRAID SAS
cards. LSI has been maintaining this driver outside of the FreeBSD
tree. It overlaps support of ThunderBolt and Invader cards tha

Add mrsas(4) driver from LSI official support of newer MegaRAID SAS
cards. LSI has been maintaining this driver outside of the FreeBSD
tree. It overlaps support of ThunderBolt and Invader cards that mfi(4)
supports. By default mfi(4) will attach to cards. If the tunable:
hw.mfi.mrsas_enable=1
is set then mfi(4) will not probe and attach to these newer cards and
allow mrsas(4) to attach. So by default this driver will not effect
a FreeBSD system unless mfi(4) is removed from the kernel or the
tunable is enabled.

mrsas(4) attaches disks to the CAM layer so it depends on CAM and devices
show up as /dev/daX. mfiutil(8) does not work with mrsas. The FreeBSD
version of MegaCli and StorCli from LSI do work with mrsas. It appears
that StorCli only works with mrsas. MegaCli appears to work with mfi(4)
and mrsas(4).

It would be good to add mfiutil(4) support to mrsas, emulations modes,
kernel logging, device aliases to ease the transition between mfi(4)
and mrsas(4).

Style issues should be resolved by LSI when they get committers approved.
The plan is get this driver in FreeBSD 9.3 to improve HW support.

Thanks to LSI for developing, testing and working with FreeBSD to
make this driver co-exist in FreeBSD. This improves the overall
support of MegaRAID SAS.

Submitted by: Kashyap Desai <Kashyap.Desai@lsi.com>
Reviewed by: scottl
MFC after: 3 days
Sponsored by: LSI

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