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diff --git a/ObsoleteFiles.inc b/ObsoleteFiles.inc
--- a/ObsoleteFiles.inc
+++ b/ObsoleteFiles.inc
@@ -2236,6 +2236,9 @@
OLD_FILES+=usr/share/certs/trusted/TrustCor_RootCert_CA-1.pem
OLD_FILES+=usr/share/certs/trusted/TrustCor_RootCert_CA-2.pem
+# 20230510: twe(4) driver removed
+OLD_FILES+=usr/share/man/man4/twe.4.gz
+
# 20230505: md5 tests are now self-contained
OLD_FILES+=usr/tests/sbin/md5/1.inp
OLD_FILES+=usr/tests/sbin/md5/1.sha512-p.chk
diff --git a/share/man/man4/Makefile b/share/man/man4/Makefile
--- a/share/man/man4/Makefile
+++ b/share/man/man4/Makefile
@@ -584,7 +584,6 @@
tslog.4 \
tty.4 \
tun.4 \
- twe.4 \
tws.4 \
udp.4 \
udplite.4 \
diff --git a/share/man/man4/twe.4 b/share/man/man4/twe.4
deleted file mode 100644
--- a/share/man/man4/twe.4
+++ /dev/null
@@ -1,278 +0,0 @@
-.\"
-.\" Copyright (c) 2000 Michael Smith
-.\" Copyright (c) 2000 BSDi
-.\" All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\" notice, this list of conditions and the following disclaimer.
-.\" 2. The name of the author may not be used to endorse or promote products
-.\" derived from this software without specific prior written permission
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
-.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
-.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.\"
-.Dd May 7, 2023
-.Dt TWE 4
-.Os
-.Sh NAME
-.Nm twe
-.Nd 3ware 5000/6000/7000/8000 series PATA/SATA RAID adapter driver
-.Sh SYNOPSIS
-To compile this driver into the kernel,
-place the following lines in your
-kernel configuration file:
-.Bd -ragged -offset indent
-.Cd "device pci"
-.Cd "device twe"
-.Ed
-.Pp
-Alternatively, to load the driver as a
-module at boot time, place the following line in
-.Xr loader.conf 5 :
-.Bd -literal -offset indent
-twe_load="YES"
-.Ed
-.Sh DEPRECATION NOTICE
-The
-.Nm
-driver is not present in
-.Fx 14.0 .
-.Sh DESCRIPTION
-The
-.Nm
-driver provides support for AMCC's 3ware 5000/6000/7000/8000 series
-PATA/SATA RAID adapters.
-These adapters were formerly known as
-.Dq 3ware Escalade .
-.Pp
-These devices support 2, 4, 8, or 12 ATA disk drives
-and provide RAID0 (striping) and RAID1 (mirroring) functionality.
-.Sh HARDWARE
-The
-.Nm
-driver supports the following PATA/SATA RAID
-controllers:
-.Pp
-.Bl -bullet -compact
-.It
-AMCC's 3ware 5000 series
-.It
-AMCC's 3ware 6000 series
-.It
-AMCC's 3ware 7000-2
-.It
-AMCC's 3ware 7006-2
-.It
-AMCC's 3ware 7500-4LP
-.It
-AMCC's 3ware 7500-8
-.It
-AMCC's 3ware 7500-12
-.It
-AMCC's 3ware 7506-4LP
-.It
-AMCC's 3ware 7506-8
-.It
-AMCC's 3ware 7506-12
-.It
-AMCC's 3ware 8006-2LP
-.It
-AMCC's 3ware 8500-4LP
-.It
-AMCC's 3ware 8500-8
-.It
-AMCC's 3ware 8500-12
-.It
-AMCC's 3ware 8506-4LP
-.It
-AMCC's 3ware 8506-8
-.It
-AMCC's 3ware 8506-8MI
-.It
-AMCC's 3ware 8506-12
-.It
-AMCC's 3ware 8506-12MI
-.El
-.Sh DIAGNOSTICS
-.Ss Controller initialisation phase
-.Bl -diag
-.It twe%d: microcontroller not ready
-.Pp
-The controller's onboard CPU is not reporting that it is ready;
-this may be due to either a board or system failure.
-Initialisation has failed.
-.It twe%d: no attention interrupt
-.It twe%d: can't drain AEN queue
-.It twe%d: reset not reported
-.It twe%d: controller errors detected
-.It twe%d: can't drain response queue
-.It twe%d: reset %d failed, trying again
-.Pp
-The controller is not responding correctly to
-the driver's attempts to reset and initialise it.
-This process is retried several times.
-.It twe%d: can't initialise controller, giving up
-.Pp
-Several attempts to reset and initialise the controller have failed;
-initialisation has failed
-and the driver will not attach to this controller.
-.El
-.Ss Driver initialisation/shutdown phase
-.Bl -diag
-.It twe%d: register window not available
-.It twe%d: can't allocate register window
-.It twe%d: can't allocate parent DMA tag
-.It twe%d: can't allocate interrupt
-.It twe%d: can't set up interrupt
-.It twe%d: can't establish configuration hook
-.Pp
-A resource allocation error occurred while initialising the driver;
-initialisation has failed
-and the driver will not attach to this controller.
-.It twe%d: can't detect attached units
-.Pp
-Fetching the list of attached units failed; initialisation has failed.
-.It twe%d: error fetching capacity for unit %d
-.It twe%d: error fetching state for unit %d
-.It twe%d: error fetching descriptor size for unit %d
-.It twe%d: error fetching descriptor for unit %d
-.It twe%d: device_add_child failed
-.It twe%d: bus_generic_attach returned %d
-.Pp
-Creation of the disk devices failed, either due to communication
-problems with the adapter or due to resource shortage;
-attachment of one or more units may have been aborted.
-.El
-.Ss Operational phase
-.Bl -diag
-.It twe%d: command completed - %s
-.El
-.Pp
-A command was reported completed with a warning by the controller.
-The warning may be one of:
-.Bl -diag
-.It redundant/inconsequential request ignored
-.It failed to write zeroes to LBA 0
-.It failed to profile TwinStor zones
-.El
-.Bl -diag
-.It twe%d: command failed - %s
-.El
-.Pp
-A command was reported as failed by the controller.
-The failure message may be one of:
-.Bl -diag
-.It aborted due to system command or reconfiguration
-.It aborted
-.It access error
-.It access violation
-.It device failure
-.It controller error
-.It timed out
-.It invalid unit number
-.It unit not available
-.It undefined opcode
-.It request incompatible with unit
-.It invalid request
-.It firmware error, reset requested
-.Pp
-The command will be returned to the operating system after a
-fatal error.
-.El
-.Bl -diag
-.It twe%d: command failed submission - controller wedged
-.Pp
-A command could not be delivered to the controller because
-the controller is unresponsive.
-.It twe%d: AEN: <%s>
-.El
-.Pp
-The controller has reported a change in status using an AEN
-(Asynchronous Event Notification).
-The following AENs may be reported:
-.Bl -diag
-.It queue empty
-.It soft reset
-.It degraded mirror
-.It controller error
-.It rebuild fail
-.It rebuild done
-.It incomplete unit
-.It initialisation done
-.It unclean shutdown detected
-.It drive timeout
-.It drive error
-.It rebuild started
-.It aen queue full
-.Pp
-AENs are also queued internally for use by management tools.
-.El
-.Bl -diag
-.It twe%d: error polling for signalled AENs
-.Pp
-The controller has reported
-that one or more status messages are ready for the driver,
-but attempting to fetch one of these has returned an error.
-.It twe%d: AEN queue overflow, lost AEN <%s>
-.Pp
-A status message was retrieved from the controller,
-but there is no more room to queue it in the driver.
-The message is lost (but will be printed to the console).
-.It twe%d: missing expected status bits %s
-.It twe%d: unexpected status bits %s
-.Pp
-A check of the controller's status bits
-indicates an unexpected condition.
-.It twe%d: host interrupt
-.Pp
-The controller has signalled a host interrupt.
-This serves an unknown purpose and is ignored.
-.It twe%d: command interrupt
-.Pp
-The controller has signalled a command interrupt.
-This is not used, and will be disabled.
-.It twe%d: controller reset in progress...
-.Pp
-The controller is being reset by the driver.
-Typically this is done when the driver has determined that the
-controller is in an unrecoverable state.
-.It twe%d: can't reset controller, giving up
-.Pp
-The driver has given up on resetting the controller.
-No further I/O will be handled.
-.It controller reset done, %d commands restarted
-.Pp
-The controller was successfully reset,
-and outstanding commands were restarted.
-.El
-.Sh AUTHORS
-.An -nosplit
-The
-.Nm
-driver and manual page were written by
-.An Michael Smith Aq Mt msmith@FreeBSD.org .
-.Pp
-Extensive work done on the driver by
-.An Vinod Kashyap Aq Mt vkashyap@FreeBSD.org
-and
-.An Paul Saab Aq Mt ps@FreeBSD.org .
-.Sh BUGS
-The controller cannot handle I/O transfers
-that are not aligned to a 512-byte boundary.
-In order to support raw device access from user-space,
-the driver will perform alignment fixup on non-aligned data.
-This process is inefficient,
-and thus in order to obtain best performance
-user-space applications accessing the device
-should do so with aligned buffers.

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