sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

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kerneldump: remove physical argument from d_dumper

The physical address argument is essentially ignored by every dumper
method. In addition, the dump routines don't actually pass a real
address; eve

kerneldump: remove physical argument from d_dumper

The physical address argument is essentially ignored by every dumper
method. In addition, the dump routines don't actually pass a real
address; every call to dump_append() passes a value of zero for
physical.

Reviewed by: markj
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D35173

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aac: Remove unused devclass argument to DRIVER_MODULE.

aac: clean up empty lines in .c and .h files

Merge ^/head r357408 through r357661.

Ever since the block layer expanded its command syntax beyond just
BIO_READ and BIO_WRITE, we've handled this expanded syntax poorly in
drivers when the driver doesn't support a particular command.

Ever since the block layer expanded its command syntax beyond just
BIO_READ and BIO_WRITE, we've handled this expanded syntax poorly in
drivers when the driver doesn't support a particular command. Do a
sweep and fix that.

Reported by: imp

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sys/dev: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error

sys/dev: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

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sys/dev: minor spelling fixes.

Most affect comments, very few have user-visible effects.

Merge from head

IFC @ r254014

IFC @253398

Merge fresh head.

Allow unmapped I/O via aacd(4). It shouldn't be too hard to add the
same support for aacp(4), I'm lacking the necessary hardware for
testing, though.

- Remove pointless returns.
- Make cm_data a void pointer and cm_flags unsigned as appropriate.

MFC after: 3 days

sync from head

- Make tables, device ID strings etc const. This includes #ifdef'ing 0
aac_command_status_table, which is actually unused since r111532.
While at it, make aac_if a pointer to the now const interf

- Make tables, device ID strings etc const. This includes #ifdef'ing 0
aac_command_status_table, which is actually unused since r111532.
While at it, make aac_if a pointer to the now const interface tables
instead of copying them over to the softc (this alone already reduces the
size of aac.ko on amd64 by ~1 KiB).
- Remove redundant softc members.
- Use DEVMETHOD_END.
- Use NULL instead of 0 for pointers.
- Remove redundant bzero(9)'ing of the softc.
- Use pci_enable_busmaster(9) instead of duplicating it.
- Remove redundant checking for PCIM_CMD_MEMEN (resource allocation will
just fail).
- Canonicalize the error messages in case of resource allocation failures.
- Add support for using MSI instead of INTx, controllable via the tunable
hw.aac.enable_msi (defaulting to on).

MFC after: 1 month

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MFC @ r241285

IFC @ r242684

Sync from head

Merge head r233826 through r239010.

On BIO_ERROR, set bio_resid to stop losing data in the error case.

Submitted by: Mark Johnston <markjdb@gmail.com>
Reviewed by: scottl@freebsd.org
MFC after: 2 weeks

Merge head r236710 through r238467.

IFC @238412.

IFC @ r238370