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History log of /src/sys/arch/alpha/pci/irongate.c
RevisionDateAuthorComments
 1.22  04-Dec-2023  thorpej Convert the Alpha port's bus_space back-end to manage address space
with vmem(9) arenas (using statically-allocated private boundary tags
for very early-in-boot) rather than extent(9).

As a side-effect, there's arguments to some initialization functions
that are no longer required, so garbage-collect those, update all the
call sites.
 1.21  07-Aug-2021  thorpej Merge thorpej-cfargs2.
 1.20  04-Jul-2021  thorpej branches: 1.20.2;
Remove unnecessary #include <sys/malloc.h>
 1.19  19-Jun-2021  thorpej Don't use a bunch of switch() statements in the core logic drivers to select
the PCI interrupt initialization routine. Instead, register said routines
by systype in a link set, and look them up and invoke them in a new function
alpha_pci_intr_init().
 1.18  18-Jun-2021  thorpej Sprinkle some static.
 1.17  24-Apr-2021  thorpej branches: 1.17.2;
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?).
 1.16  14-Jun-2011  matt branches: 1.16.68;
Major cleanup of alpha device drivers.
Switch to CFATTACH_DECL_NEW.
struct device * -> device_t
struct cfdata * -> cfdata_t
Use of device_xname. No direct access to struct device members.
Use aprint* (not complete).
 1.15  17-May-2011  dyoung branches: 1.15.2;
PCI_FLAGS_IO_ENABLED and PCI_FLAGS_MEM_ENABLED changed their functional
role in NetBSD (drivers are no longer supposed to write these to
pa_flags) without changing name. Correct that.

Rename PCI_FLAGS_IO_ENABLED to PCI_FLAGS_IO_OKAY and
PCI_FLAGS_MEM_ENABLED to PCI_FLAGS_MEM_OKAY, thus making their names
consistent with the other PCI flags and poisoning 3rd-party driver
sources that use the flags in the old bad way.

This patch produces no binary changes in this set of PCI kernels when
they are compiled w/o 'options DIAGNOSTIC' and w/ -V MKREPRO=yes:

algor P4032 P5064 P6032
alpha GENERIC
amd64 GENERIC XEN3_DOM0
arc GENERIC
atari HADES MILAN-PCIIDE
bebox GENERIC
cats GENERIC
cobalt GENERIC
evbarm-el ADI_BRH ARMADILLO9 CP3100 GEMINI GEMINI_MASTER GEMINI_SLAVE
evbarm-el GUMSTIX HDL_G IMX31LITE INTEGRATOR IQ31244 IQ80310 IQ80321
evbarm-el IXDP425 IXM1200 KUROBOX_PRO
evbarm-el LUBBOCK MARVELL_NAS NAPPI NSLU2 SHEEVAPLUG SMDK2800 TEAMASA_NPWR
evbarm-el TEAMASA_NPWR_FC TS7200 TWINTAIL ZAO425
evbmips-el AP30 DBAU1500 DBAU1550 MALTA MERAKI MTX-1 OMSAL400 RB153 WGT624V3
evbmips64-el XLSATX
evbppc EV64260 MPC8536DS MPC8548CDS OPENBLOCKS200 OPENBLOCKS266
evbppc OPENBLOCKS266_OPT P2020RDB PMPPC RB800 WALNUT
hp700 GENERIC
i386 ALL XEN3_DOM0 XEN3_DOMU
ibmnws GENERIC
iyonix GENERIC
landisk GENERIC
macppc GENERIC
mvmeppc GENERIC
netwinder GENERIC
ofppc GENERIC
prep GENERIC
sandpoint GENERIC
sbmips-el GENERIC
sgimips GENERIC32_IP2x GENERIC32_IP3x
sparc GENERIC_SUN4U KRUPS
sparc64 GENERIC
 1.14  28-Apr-2008  martin branches: 1.14.22; 1.14.28;
Remove clause 3 and 4 from TNF licenses
 1.13  11-Dec-2005  christos branches: 1.13.74; 1.13.76; 1.13.78;
merge ktrace-lwp.
 1.12  30-Aug-2004  drochner Phase out the use of a string as first "attach args" member to control
which bustype should be attached with a specific call to config_found()
(from a "mainbus" or a bus bridge).
Do it for isa/eisa/mca and pci/agp for now. These buses all attach to
an mi interface attribute "isabus", "eisabus" etc., and the autoconf
framework now allows to specify an interface attribute on config_found()
and config_search(), which limits the search of matching config data
to these which attach to that specific attribute.
So we basically have to call config_found_ia(..., "foobus", ...) where
such a bus is attached.
As a consequence, where a "mainbus" or alike also attaches other
devices (eg CPUs) which do not attach to a specific attribute yet,
we need at least pass an attribute name (different from "foobus") so
that the foo bus is not found at these places. This made some minor
changes necessary which are not obviously related to the mentioned buses.
 1.11  15-Jun-2003  fvdl branches: 1.11.2;
Handle 64bit DMA addresses on PCI for platforms that can (currently only
enabled on amd64). Add a dmat64 field to various PCI attach structures,
and pass it down where needed. Implement a simple new function called
pci_dma64_available(pa) to test if 64bit DMA addresses may be used.
This returns 1 iff _PCI_HAVE_DMA64 is defined in <machine/pci_machdep.h>,
and there is more than 4G of memory.
 1.10  01-Jan-2003  thorpej Use aprint_normal() for cfprint routines.
 1.9  02-Oct-2002  thorpej Use CFATTACH_DECL().
 1.8  27-Sep-2002  thorpej Declare all cfattach structures const.
 1.7  16-May-2002  thorpej * Add "pcitag_t *pba_bridgetag" to pci_attach_args. This is set to
NULL for root PCI busses. For busses behind a bridge, it points to
a persistent copy of the bridge's pcitag_t. This can be very useful
for machine-dependent PCI bus enumeration code.
* Implement a machine-dependent pci_enumerate_bus() for sparc64 which
uses OFW device nodes to enumerate the bus. When a PCI bus that is
behind a bridge is attached, pci_attach_hook() allocates a new PCI
chipset tag for the new bus and sets it's "curnode" to the OFW node
of the bridge. This is used as a starting point when enumerating
that bus. Root busses get the OFW node of the host bridge (psycho).
* Garbage-collect "ofpci" and "ofppb" from the sparc64 port.
 1.6  06-Oct-2001  thorpej branches: 1.6.10;
Don't forget to fill in the DMA tag when attaching the AGP
controller.
 1.5  15-Sep-2001  thorpej Oops, don't need to fill in pcibus_attach_args twice.
 1.4  15-Sep-2001  thorpej Attach "agp" to the AMD-751 PCI host controller (Alpha UP1000/UP1100).
 1.3  29-Nov-2000  thorpej branches: 1.3.2; 1.3.4; 1.3.6;
Do the additional PCI memory initialization after configuring DMA.
 1.2  26-Jun-2000  thorpej branches: 1.2.2;
Do the previously slightly differently, to avoid confusing the internal
space extent maps. Pointed out by msaitoh@netbsd.org. (Someone should
send me an EV6 machine!)
 1.1  01-Jun-2000  thorpej branches: 1.1.2; 1.1.4;
Add support for the Alpha Processor, Inc. UP1000 EV6 system.
 1.1.4.2  22-Jun-2000  minoura Sync w/ netbsd-1-5-base.
 1.1.4.1  01-Jun-2000  minoura file irongate.c was added on branch minoura-xpg4dl on 2000-06-22 16:58:38 +0000
 1.1.2.1  27-Jun-2000  thorpej Update from trunk:
Implement bus_get_window on Tsunami and MCPCIA, and compensate for
the Cool sign-extend hack we use on EV6 when mapping PCI space into
userspace.
 1.2.2.3  08-Dec-2000  bouyer Sync with HEAD.
 1.2.2.2  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.
 1.2.2.1  26-Jun-2000  bouyer file irongate.c was added on branch thorpej_scsipi on 2000-11-20 19:57:08 +0000
 1.3.6.2  11-Oct-2001  fvdl Catch up with -current. Fix some bogons in the sparc64 kbd/ms
attach code. cd18xx conversion provided by mrg.
 1.3.6.1  01-Oct-2001  fvdl Catch up with -current.
 1.3.4.3  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
 1.3.4.2  23-Jun-2002  jdolecek catch up with -current on kqueue branch
 1.3.4.1  10-Jan-2002  thorpej Sync kqueue branch with -current.
 1.3.2.5  03-Jan-2003  thorpej Sync with HEAD.
 1.3.2.4  18-Oct-2002  nathanw Catch up to -current.
 1.3.2.3  20-Jun-2002  nathanw Catch up to -current.
 1.3.2.2  22-Oct-2001  nathanw Catch up to -current.
 1.3.2.1  21-Sep-2001  nathanw Catch up to -current.
 1.6.10.1  30-May-2002  gehenna Catch up with -current.
 1.11.2.3  21-Sep-2004  skrll Fix the sync with head I botched.
 1.11.2.2  18-Sep-2004  skrll Sync with HEAD.
 1.11.2.1  03-Sep-2004  skrll Sync with HEAD
 1.13.78.1  16-May-2008  yamt sync with head.
 1.13.76.1  18-May-2008  yamt sync with head.
 1.13.74.1  02-Jun-2008  mjf Sync with HEAD.
 1.14.28.1  06-Jun-2011  jruoho Sync with HEAD.
 1.14.22.1  31-May-2011  rmind sync with head
 1.15.2.1  23-Jun-2011  cherry Catchup with rmind-uvmplock merge.
 1.16.68.1  02-Apr-2021  thorpej config_found_ia() -> config_found() w/ CFARG_IATTR.
 1.17.2.1  01-Aug-2021  thorpej Sync with HEAD.
 1.20.2.1  03-Aug-2021  thorpej Adapt to CFARGS().

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