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History log of /src/sys/arch/x68k/dev/neptune.c
RevisionDateAuthorComments
 1.23  07-Aug-2021  thorpej Merge thorpej-cfargs2.
 1.22  24-Apr-2021  thorpej branches: 1.22.8;
Merge thorpej-cfargs branch:

Simplify and make extensible the config_search() / config_found() /
config_attach() interfaces: rather than having different variants for
which arguments you want pass along, just have a single call that
takes a variadic list of tag-value arguments.

Adjust all call sites:
- Simplify wherever possible; don't pass along arguments that aren't
actually needed.
- Don't be explicit about what interface attribute is attaching if
the device only has one. (More simplification.)
- Add a config_probe() function to be used in indirect configuiration
situations, making is visibly easier to see when indirect config is
in play, and allowing for future change in semantics. (As of now,
this is just a wrapper around config_match(), but that is an
implementation detail.)

Remove unnecessary or redundant interface attributes where they're not
needed.

There are currently 5 "cfargs" defined:
- CFARG_SUBMATCH (submatch function for direct config)
- CFARG_SEARCH (search function for indirect config)
- CFARG_IATTR (interface attribte)
- CFARG_LOCATORS (locators array)
- CFARG_DEVHANDLE (devhandle_t - wraps OFW, ACPI, etc. handles)

...and a sentinel value CFARG_EOL.

Add some extra sanity checking to ensure that interface attributes
aren't ambiguous.

Use CFARG_DEVHANDLE in MI FDT, OFW, and ACPI code, and macppc and shark
ports to associate those device handles with device_t instance. This
will trickle trough to more places over time (need back-end for pre-OFW
Sun OBP; any others?).
 1.21  10-Nov-2019  chs branches: 1.21.10;
in many device attach paths, allocate memory with M_WAITOK instead of M_NOWAIT
and remove code to handle failures that can no longer happen.
 1.20  26-Mar-2014  christos branches: 1.20.30;
kill sprintf, fix unused.
 1.19  18-Dec-2008  isaki branches: 1.19.14; 1.19.24; 1.19.28;
Sync with other m68k ports.
- Remove PHYS_IODEV, PHYS_INTIODEV. These are real copy of INTIOBASE.
- Define IIOV() (and IIOP()) and use it, rather than INTIO_ADDR().
 1.18  25-Jun-2008  isaki branches: 1.18.4;
Split device_t/softc. Use aprint*() and device_xname().
 1.17  04-May-2008  martin branches: 1.17.2; 1.17.4;
Move to standard TNF 2 clause license
 1.16  11-Mar-2007  isaki branches: 1.16.38; 1.16.40; 1.16.42;
white space, indent and KNF.
 1.15  11-Dec-2005  christos branches: 1.15.26; 1.15.30;
merge ktrace-lwp.
 1.14  26-Aug-2005  drochner s/locdesc_t/int/g
 1.13  30-Jun-2005  drochner branches: 1.13.2;
adaptions to config_search() change, and minor autoconf fixes, mostly from Havard Eidnes
 1.12  13-Jun-2005  he Change the signature of badaddr() and badbaddr() from taking a caddr_t
to taking a volatile void*. This gets rid of a number of casts to make
this compile under -Wcast-qual.
Add some volatiles and consts in other places to make this build under
-Wcast-qual.
Also rename a few variables to make this build under -Wshadow.
Also get rid of duplicated declarations of badaddr() and badbaddr()
in machdep.c, they're already there from <machine/cpu.h>.
 1.11  18-Jan-2005  chs de-__P, remove register, ansify.
 1.10  15-Jul-2003  lukem branches: 1.10.8;
rcsid
 1.9  01-Jan-2003  thorpej branches: 1.9.2;
Use aprint_normal() for cfprint routines.
 1.8  02-Oct-2002  thorpej Add trailing ; to CFATTACH_DECL.
 1.7  01-Oct-2002  thorpej Use CFATTACH_DECL().
 1.6  27-Sep-2002  thorpej Declare all cfattach structures const.
 1.5  27-Sep-2002  thorpej Introduce a new routine, config_match(), which invokes the
cfattach->ca_match function in behalf of the caller. Use it
rather than invoking cfattach->ca_match directly.
 1.4  16-Jan-2000  minoura branches: 1.4.8; 1.4.12;
Minor cleanups & corrections.
 1.3  24-Mar-1999  minoura branches: 1.3.8;
Shut up gcc -Wall.
 1.2  16-Mar-1999  minoura Merged minoura_x68k_bus_h branch.
 1.1  23-Dec-1998  minoura branches: 1.1.2;
file neptune.c was initially added on branch minoura_x68k_bus_h.
 1.1.2.6  14-Mar-1999  minoura Use a single (inline) function instead of refering the bus_space switch.
 1.1.2.5  14-Mar-1999  minoura scsirom driver to probe CZ-6BS1-clone and Mach-2 SCSI host adaptor board
itself.
Modifications to spc and mha drivers.
NOTE: mha is not fully bus.h'fied.
 1.1.2.4  13-Feb-1999  minoura Use BUS_SPACE_MAP_SHIFTED.
 1.1.2.3  28-Dec-1998  minoura Free i/o map when the NIC is not found.
 1.1.2.2  27-Dec-1998  minoura Match device names.
 1.1.2.1  23-Dec-1998  minoura First import of bus_space implementation for x68k port.
 1.3.8.1  20-Nov-2000  bouyer Update thorpej_scsipi to -current as of a month ago
A i386 GENERIC kernel compiles without the siop, ahc and bha drivers
(will be updated later). i386 IDE/ATAPI and ncr work, as well as
sparc/esp_sbus. alpha should work as well (untested yet).
siop, ahc and bha will be updated once I've updated the branch to current
-current, as well as machine-dependant code.
 1.4.12.2  03-Jan-2003  thorpej Sync with HEAD.
 1.4.12.1  18-Oct-2002  nathanw Catch up to -current.
 1.4.8.1  10-Oct-2002  jdolecek sync kqueue with -current; this includes merge of gehenna-devsw branch,
merge of i386 MP branch, and part of autoconf rototil work
 1.9.2.5  10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.9.2.4  24-Jan-2005  skrll Sync with HEAD.
 1.9.2.3  21-Sep-2004  skrll Fix the sync with head I botched.
 1.9.2.2  18-Sep-2004  skrll Sync with HEAD.
 1.9.2.1  03-Aug-2004  skrll Sync with HEAD
 1.10.8.1  29-Apr-2005  kent sync with -current
 1.13.2.2  03-Sep-2007  yamt sync with head.
 1.13.2.1  21-Jun-2006  yamt sync with head.
 1.15.30.1  13-Mar-2007  ad Sync with head.
 1.15.26.1  12-Mar-2007  rmind Sync with HEAD.
 1.16.42.2  04-May-2009  yamt sync with head.
 1.16.42.1  16-May-2008  yamt sync with head.
 1.16.40.1  18-May-2008  yamt sync with head.
 1.16.38.3  17-Jan-2009  mjf Sync with HEAD.
 1.16.38.2  29-Jun-2008  mjf Sync with HEAD.
 1.16.38.1  02-Jun-2008  mjf Sync with HEAD.
 1.17.4.1  27-Jun-2008  simonb Sync with head.
 1.17.2.1  18-Sep-2008  wrstuden Sync with wrstuden-revivesa-base-2.
 1.18.4.1  19-Jan-2009  skrll Sync with HEAD.
 1.19.28.1  18-May-2014  rmind sync with head
 1.19.24.1  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.19.14.1  22-May-2014  yamt sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs. ("Protocol error: too many arguments")
 1.20.30.1  13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411
 1.21.10.3  03-Apr-2021  thorpej Give config_attach() the tagged variadic argument treatment and
mechanically convert all call sites.
 1.21.10.2  21-Mar-2021  thorpej CFARG_IATTR usage audit:

If a device carries only one interface attribute, there is no need
to specify it when calling config_search(); that specification is
meant only to disambiguate which interface attribute (which is a
proxy for "what kind of attach args are being used") is having
children attached. cfparent_match() will take care of ensuring that
any potential children can attach to one of the parent's iterface
attributes, and if the parent only carries one, no disambiguation is
necessary.
 1.21.10.1  20-Mar-2021  thorpej The proliferation if config_search_*() and config_found_*() combinations
is a little absurd, so begin to tidy this up:

- Introduce a new cfarg_t enumerated type, that defines the types of
tag-value variadic arguments that can be passed to the various
config_*() functions (CFARG_SUBMATCH, CFARG_IATTR, and CFARG_LOCATORS,
for now, plus a CFARG_EOL sentinel).
- Collapse config_search_*() into config_search() that takes these
variadic arguments.
- Convert all call sites of config_search_*() to the new signature.
Noticed several incorrect usages along the way, which will be
audited in a future commit.
 1.22.8.1  04-Aug-2021  thorpej Adapt to CFARGS().

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