MFC r314659,r314676:

r314659:

usr.sbin: normalize paths using SRCTOP-relative paths or :H when possible

This simplifies make logic/output

r314676:

Fix build after r314656

Some of the changes I introduced to use .ALLSRC were correct in spirit,
but incorrect in reality -- in particular, ../Makefile.inc hadn't been
pulled in via bsd.init.mk (via bsd.lib.mk, bsd.prog.mk), so the value
of .ALLSRC (evaluated immediately) was empty. .include bsd.init.mk
explicitly so we can be certain that the values used as dependencies in
the targets are defined when the target recipe has been evaluated.

Reminder: thou shalt separate out separate functional changes before
committing them.

(YUGE) Pointyhat to: ngie
In collaboration with: bdrewery

Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Clean up repeated "All rights reserved"

META MODE: Update dependencies with 'the-lot' and add missing directories.

This is not properly respecting WITHOUT or ARCH dependencies in target/.
Doing so requires a massive effort to rework targets/ to do so. A
better approach will be to either include the SUBDIR Makefiles directly
and map to DIRDEPS or just dynamically lookup the SUBDIR. These lose
the benefit of having a userland/lib, userland/libexec, etc, though and
results in a massive package. The current implementation of targets/ is
very unmaintainable.

Currently rescue/rescue and sys/modules are still not connected.

Sponsored by: EMC / Isilon Storage Division

Replace use of .Po Pc with the preferred .Pq for single line
enclosures in iovctl.conf(5), iovctl(8), pci(9), and
pci_iov_schema(9).

Differential Revision: https://reviews.freebsd.org/D3000
Reviewed by: wblock
Approved by: jmallett (mentor)

Fix range upper bound for uint32_t and uint64_t, and reformat range
description for uint8_t, uint16_t, uint32_t, and uint64_t.

Differential Revision: https://reviews.freebsd.org/D2988
Reviewed by: rstone, wblock
Approved by: jmallett (mentor)
Sponsored by: Norse Corp, Inc.

Let the nv.h and dnv.h includes be only in sys directory.

Change consumers to include those files from sys.
Add duplicated files to ObsoleteFiles.

Approved by: pjd (mentor)

Approved, oprócz użycie RESTORE_ERRNO() do ustawiania errno.

Change the nvlist_recv() function to take additional argument that
specifies flags expected on the received nvlist. Receiving a nvlist with
different set of flags than the ones we expect might lead to undefined
behaviour, which might be potentially dangerous.

Update consumers of this and related functions and update the tests.

Approved by: pjd (mentor)

Update man page for nvlist_unpack, nvlist_recv, nvlist_xfer, cap_recv_nvlist
and cap_xfer_nvlist.

Reviewed by: AllanJude
Approved by: pjd (mentor)

Fix minor mdoc issues.

Correct a typo.

X-MFC-With: r279458

Add main() for iovctl and hook iovctl into build

Differential Revision: https://reviews.freebsd.org/D87
Reviewed by: jhb
MFC after: 1 month
Sponsored by: Sandvine Inc.

Add functions for parsing the iovctl config file

Add two functions for parsing the iovctl config file. The config
file is parsed using libucl[1], which accepts most YAML files and
a superset of JSON. The first function is an ad-hoc parser that
searches the file for the PF.DEVICE configuration value. We need
to know that value in order to fetch the schema from the kernel,
and we need the schema in order to be able to fully parse the file.

The second function parses the config file and validates it
against a schema. This function will exit with an error message
if any validation error occurs. If it succeeds, the configuration
is returned as an nvlist suitable for passing to the kernel.

[1] https://github.com/vstakhov/libucl

Differential Revision: https://reviews.freebsd.org/D86
Reviewed by: jhb
MFC after: 1 month
Sponsored by: Sandvine Inc.

Add iovctl functions for validating config

Add an function to iovctl that validates the configuration against
a schema. This function is able to assume that the parser has
done most of the validation already and it's only responsible for
applying default VF values specified in the config file, confirming
that all required parameters have been set and that no invalid VF
numbers have been specified.

Differential Revision: https://reviews.freebsd.org/D85
Reviewed by: bcr
MFC after: 1 month
Sponsored by: Sandvine Inc.

Add manpage documenting iovctl config file format.

Differential Revision: https://reviews.freebsd.org/D84
Reviewed by: emaste, bcr, wblock
MFC after: 1 month
Sponsored by: Sandvine Inc.

Add a manpage for iovctl(8)

Differential Revision: https://reviews.freebsd.org/D83
Reviewed by: wblock
MFC after: 1 month
Sponsored by: Sandvine Inc.