sys: Remove $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\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spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD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spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD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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iscsi: Abort fewer data-out tasks on a terminating session.

Only abort tasks queued for datamove after
cfiscsi_sesssion_terminate_tasks has posted its internal
CTL_TASK_I_T_NEXUS_RESET task.

Report

iscsi: Abort fewer data-out tasks on a terminating session.

Only abort tasks queued for datamove after
cfiscsi_sesssion_terminate_tasks has posted its internal
CTL_TASK_I_T_NEXUS_RESET task.

Reported by: Jithesh Arakkan @ Chelsio
Reviewed by: mav
Fixes: 0cd6e85e242b iscsi: Abort data-out tasks queued on a terminating session.
Sponsored by: Chelsio Communications
Differential Revision: https://reviews.freebsd.org/D33747

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iscsi: Move the maximum data segment limits into 'struct icl_conn'.

This fixes a few bugs in iSCSI backends where the backends were using
the limits they advertised initially during the login phase

iscsi: Move the maximum data segment limits into 'struct icl_conn'.

This fixes a few bugs in iSCSI backends where the backends were using
the limits they advertised initially during the login phase as the
final values instead of the values negotiated with the other end.

Reported by: Jithesh Arakkan @ Chelsio
Reviewed by: mav
Differential Revision: https://reviews.freebsd.org/D30271

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Drop "All rights reserved" from all my stuff. This includes
Foundation copyrights, approved by emaste@. It does not include
files which carry other people's copyrights; if you're one
of those peopl

Drop "All rights reserved" from all my stuff. This includes
Foundation copyrights, approved by emaste@. It does not include
files which carry other people's copyrights; if you're one
of those people, feel free to make similar change.

Reviewed by: emaste, imp, gbe (manpages)
Differential Revision: https://reviews.freebsd.org/D26980

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Fix iSCSI target crash on session reinstation.

The crash scenario goes like this: there's a thread waiting on "reinstate";
because it doesn't update the timeout counter it gets terminated by the
cal

Fix iSCSI target crash on session reinstation.

The crash scenario goes like this: there's a thread waiting on "reinstate";
because it doesn't update the timeout counter it gets terminated by the
callout; at this point the maintenance thread starts the termination routine.
The first thread finishes waiting, proceeds to icl_conn_handoff(), and drops
the refcount, which allows the maintenance thread to free its resources. At
this point another thread receives a PDU. Boom.

PR: 222898, 219866
Reported by: Eugene M. Zheganin <emz at norma.perm.ru>
Tested by: Eugene M. Zheganin <emz at norma.perm.ru>
Reviewed by: mav@ (earlier version)
MFC after: 2 weeks
Sponsored by: playkey.net

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sys/cam: 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/cam: 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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Merge ^/head r304700 through r304884.

MFhead @ r304815

Make the iSCSI parameter negotiation more flexible.

Decouple the send and receive limits on the amount of data in a single
iSCSI PDU. MaxRecvDataSegmentLength is declarative, not negotiated, and
is

Make the iSCSI parameter negotiation more flexible.

Decouple the send and receive limits on the amount of data in a single
iSCSI PDU. MaxRecvDataSegmentLength is declarative, not negotiated, and
is direction-specific so there is no reason for both ends to limit
themselves to the same min(initiator, target) value in both directions.

Allow iSCSI drivers to report their send, receive, first burst, and max
burst limits explicitly instead of using hardcoded values or trying to
derive all of them from the receive limit (which was the only limit
reported by the drivers prior to this change).

Display the send and receive limits separately in the userspace iSCSI
utilities.

Reviewed by: jpaetzel@ (earlier version), trasz@
Sponsored by: Chelsio Communications
Differential Revision: https://reviews.freebsd.org/D7279

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Report negotiated MaxBurstLength and FirstBurstLength in "iscsictl -v"
and "ctladm islist -v" outputs.

MFC after: 1 month

Merge sync of head

Merge from HEAD

MFH: r278202,r278205-r278590

Sponsored by: The FreeBSD Foundation

Merge ^/head r278351 through r278498.

Extend ICL to add receive offload methods. For software ICL backend
they are no-ops.

MFC after: 1 month
Sponsored by: The FreeBSD Foundation

Merge from HEAD

Merge ^/head r278110 through r278223.

Bring some more order into iSCSI portal group tags support.

While ctld(8) still does not allow multiple portal groups per target
to be configured, kernel should now be able to handle it.

MFC after:

Bring some more order into iSCSI portal group tags support.

While ctld(8) still does not allow multiple portal groups per target
to be configured, kernel should now be able to handle it.

MFC after: 2 weeks
Sponsored by: iXsystems, Inc.

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Merge ^/head r278005 through r278109.

CTL LUN mapping rewrite.

Replace iSCSI-specific LUN mapping mechanism with new one, working for any
ports. By default all ports are created without LUN mapping, exposing all
CTL LUNs as before. Bu

CTL LUN mapping rewrite.

Replace iSCSI-specific LUN mapping mechanism with new one, working for any
ports. By default all ports are created without LUN mapping, exposing all
CTL LUNs as before. But, if needed, LUN mapping can be manually set on
per-port basis via ctladm. For its iSCSI ports ctld does it via ioctl(2).
The next step will be to teach ctld to work with FibreChannel ports also.

Respecting additional flexibility of the new mechanism, ctl.conf now allows
alternative syntax for LUN definition. LUNs can now be defined in global
context, and then referenced from targets by unique name, as needed. It
allows same LUN to be exposed several times via multiple targets.

While there, increase limit for LUNs per target in ctld from 256 to 1024.
Some initiators do not support LUNs above 255, but that is not our problem.

Discussed with: trasz
MFC after: 2 weeks
Relnotes: yes
Sponsored by: iXsystems, Inc.

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Reintegrate head: r274132-r277384

Sponsored by: The FreeBSD Foundation

Reintegrate head revisions r273096-r277147

Sponsored by: The FreeBSD Foundation

MFhead @ r275911 (also, sort out MK_* flags in BMAKE, etc on this branch)

Merge ^/head r275759 through r275911.