CVS log for src/sys/arch/vax/vsa/ncr.c

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Pull up following revision(s) (requested by tsutsui in ticket #1800):

	sys/arch/vax/vsa/vsbus.c: revision 1.69 (patch)
	sys/arch/vax/vsa/ncr.c: revision 1.52

Fix SCSI tranfer corruption on VAXstation 3100/m30 (KA420) on netboot.

See my post on port-vax@ for details:
 https://mail-index.netbsd.org/port-vax/2024/02/16/msg004866.html
and "go ahead!" from ragge@.

Pull up following revision(s) (requested by tsutsui in ticket #601):

	sys/arch/vax/vsa/vsbus.c: revision 1.69
	sys/arch/vax/vsa/ncr.c: revision 1.52

Fix SCSI tranfer corruption on VAXstation 3100/m30 (KA420) on netboot.

See my post on port-vax@ for details:
 https://mail-index.netbsd.org/port-vax/2024/02/16/msg004866.html
and "go ahead!" from ragge@.

Fix SCSI tranfer corruption on VAXstation 3100/m30 (KA420) on netboot.

See my post on port-vax@ for details:
 https://mail-index.netbsd.org/port-vax/2024/02/16/msg004866.html
and "go ahead!" from ragge@.  Should be pulled up to netbsd-10 and -9.

Remove unnecessary <sys/malloc.h>.

Merge changes from current as of 20200406

Pull up following revision(s) (requested by ragge in ticket #802):

	sys/arch/vax/vsa/ncr.c: revision 1.50

Do not expect a struct buf to be present if doing DMA to kernel space.
Fixes bug reported by sadness on port-vax.

Do not expect a struct buf to be present if doing DMA to kernel space.
Fixes bug reported by sadness on port-vax.

Sync with HEAD

Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)

Rename min/max -> uimin/uimax for better honesty.

These functions are defined on unsigned int.  The generic name
min/max should not silently truncate to 32 bits on 64-bit systems.
This is purely a name change -- no functional change intended.

HOWEVER!  Some subsystems have

	#define min(a, b)	((a) < (b) ? (a) : (b))
	#define max(a, b)	((a) > (b) ? (a) : (b))

even though our standard name for that is MIN/MAX.  Although these
may invite multiple evaluation bugs, these do _not_ cause integer
truncation.

To avoid `fixing' these cases, I first changed the name in libkern,
and then compile-tested every file where min/max occurred in order to
confirm that it failed -- and thus confirm that nothing shadowed
min/max -- before changing it.

I have left a handful of bootloaders that are too annoying to
compile-test, and some dead code:

cobalt ews4800mips hp300 hppa ia64 luna68k vax
acorn32/if_ie.c (not included in any kernels)
macppc/if_gm.c (superseded by gem(4))

It should be easy to fix the fallout once identified -- this way of
doing things fails safe, and the goal here, after all, is to _avoid_
silent integer truncations, not introduce them.

Maybe one day we can reintroduce min/max as type-generic things that
never silently truncate.  But we should avoid doing that for a while,
so that existing code has a chance to be detected by the compiler for
conversion to uimin/uimax without changing the semantics until we can
properly audit it all.  (Who knows, maybe in some cases integer
truncation is actually intended!)

sync with head

Cleanup includes.  Switch from <machine/XXX.h> to <sys/XXX.h> from
bus, cpu, and intr.  Remove unneeded includes.

sync with head

- Use lwp_getpcb() on VAX, clean from struct user usage.
- Include sys/user.h in MD proc.h .

Sync with HEAD.

sync with head.

sync with head.

Remove clause 3 and 4 from TNF licenses

Split devict_t/softc for ncr5380sbc SCSI, and misc cosmetic changes.

Sync with HEAD.

sync with head.

sync with HEAD

sync with head.

Rototill the vax code.  Switch to devicet/PRIV_ALLOC.  Cleanup vax autoconf
code.  Move to prototype definitions.  staticfy, constify, avoid casting.
Use device_* accessors.

sync with head.

Sync with HEAD.

Fix caddr_t fallout.

Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.

merge ktrace-lwp.

Fix the sync with head I botched.

Sync with HEAD.

Sync with HEAD

__KERNEL_RCSID()

Catch up to -current.

sync kqueue with -current; this includes merge of gehenna-devsw branch,
merge of i386 MP branch, and part of autoconf rototil work

Add trailing ; to CFATTACH_DECL.

Use CFATTACH_DECL().

Declare all cfattach structures const.

remove trailing \n in panic().  approved perry.

Catch up to -current.

file ncr.c was added on branch nathanw_sa on 2002-10-18 02:40:38 +0000

Pull up the thorpej_scsipi branch to main branch.
This is a completely rewritten scsipi_xfer execution engine, and the
associated changes to HBA drivers. Overview of changes & features:
- All xfers are queued in the mid-layer, rather than doing so in an
  ad-hoc fashion in individual adapter drivers.
- Adapter/channel resource management in the mid-layer, avoids even trying
  to start running an xfer if the adapter/channel doesn't have the resources.
- Better communication between the mid-layer and the adapters.
- Asynchronous event notification mechanism from adapter to mid-layer and
  peripherals.
- Better peripheral queue management: freeze/thaw, sorted requeueing during
  recovery, etc.
- Clean separation of peripherals, adapters, and adapter channels (no more
  scsipi_link).
- Kernel thread for each scsipi_channel makes error recovery much easier
  (no more dealing with interrupt context when recovering from an error).
- Mid-layer support for tagged queueing: commands can have the tag type
  set explicitly, tag IDs are allocated in the mid-layer (thus eliminating
  the need to use buggy tag ID allocation schemes in many adapter drivers).
- support for QUEUE FULL and CHECK CONDITION status in mid-layer; the command
  will be requeued, or a REQUEST SENSE will be sent as appropriate.

Just before the merge syssrc has been tagged with thorpej_scsipi_beforemerge

Make this compile.

Sync with HEAD.

Giant update from Michael Kukat (michael@unixiron.org).
Fixes support for:
                       MicroVAX 3100m90
                       MicroVAX 3100m95
                       VAX 4000/100 (tested)
                       VAX 4000/105A (tested)
                       VAX 4000/108
                       VAX 4000/400 (tested)
                       VAX 4000/500 (tested)
                       VAX 4000/600

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.

Pullup of rev. 1.33 (approved by thorpej):
Make SCSI chain B work and fixes PR#11124.

Fix bug that prevented DMA to work on SCSI chain B. This fixes PR#11124
but in a different way than suggested by the submitter.

Pull up revision 1.32 (requested by ragge):
Fixes broken MFM support + DMA area queueing.

Make the HDC9224 MFM device driver up-to-date; has been not-working
since NetBSD 1.2 (!) It also uses interrupts instead of polling now.
Also fix the DMA area locking between SCSI and MFM disks.
Still missing - floppy support.

Sync w/ netbsd-1-5-base.

Rename ncr[5380] device to si to more consistent with other ports.
Add VAX660 to cputype.h.  Remove needs-flag from si & asc entries.

Adjust to new evcnt stuff.

More event counter stuff.  Plus a little cruft cleanup while doing it.

Add extra argument to scb_vecalloc (a struct evcnt *)
Move ivec_dsp from trap.h to scb.h
Add interrupt counting to asc, le, ze, ncr, dz interrupts.
add common support for counting interrupts to cnm_idisp so
it can be done very efficiently.

Growel out the SCSI BUS ID from NVRAM instead of hard-code it.

Add a "sc_rev" member to ncr5380_softc and handle CXD1180 quirk
in MI ncr5380sbc.

Add a ncr5380_attach() routine which does part of the initialization, attaches
the scsibus, and does the addref/delref dance.

Apply patch (requested by toddpw):
  Fix bugs in support for VaxStation 2000 and 3100, vax pmap, and
  the NCR scsi driver.

Revamp the VAX interrupt handling code.  Make it compatible with all the
other ports.  Clean up some things.

Pull up to last week's -current.

Sync with -current

DMA support for the NCR 5380-equipped vs3100's.

Fix minphys() on vax. While here, convert to bus.h.

Don't try to search for these devices on 4000/90. badaddr() should
be fixed for this arch also.

Sync w/ -current.

Don't try to disconnect SCSI disks. From Michael Kukat.
Now DEC disks also works in VAXstations :-)

Buggfixes for VS 4000/VLC. Basic support for VS4000/90 and MV4000/300.
From Michael Kukat.

Change vsbus to take a locator for all devices.
Figure out interrupt vector/mask on vsbus by forcing all devices to
generate interrupts in the match routine, like on unibus.

Another giant change: Allocate register space dynamic instead of compiled-in.
This is done on a physical page size basis, instead of virtual (as the
(on vax yet non-existing) bus_* routines does). This is similar to the
way uba allocation is done.

Simple hack to get at least PIO functionality out of the VS2000/3100 ncr5380.
Fixed by Jens Arvid Nilsson.

Adapt to the new scsipi_adapter interface.

Garbage-collect the open_target_lu and close_target_lu entry points from
struct scsipi_adapter; they were not used.

Add a scsipi_ioctl entry point to struct scsipi_adapter.  This will be
used to issue ioctl commands to the host adapters.

Inspired by PR #6090, from Matt Jacob.

defopt DDB.

Wall cleaning.

Update for changes to config.

Add match code to detect more than one SCSI adapter on 3100.
Provided by Bertram Barth.

Update marc-pcmcia branch from trunk.

Merge scsipi branch in the mainline. This add support for ATAPI devices
(currently only CD-ROM drives on i386). The sys/dev/scsipi system provides 2
busses to which devices can attach (scsibus and atapibus). This needed to
change some include files and structure names in the low level scsi drivers.

Updates for new scsipi subsystem. Actally known to work on i386 and sparc.

Merge in changes from Trunk

Minimal changes to adapt to removal of NCR5380_PERMIT_RESELECT.
This driver should be updated to allow per-target control over
disconnect/reselect, but I will leave that to the port masters.

Patches to make VS2000 to work. From Ari Suutari.

Add a forgotten #ifdef DDB

backout previous kprintf change

printf -> kprintf, sprintf -> ksprintf

(1) set scsi_link channel to either the appropriate channel (if a
    multi-channel driver), or to SCSI_CHANNEL_ONLY_ONE if a
    single-channel driver.
(2) use scsiprint() rather than a locally-defined autoconfig print
    function, and kill any locally-defined print function.

change cfprint_t type definition to take a const char *, rather than
a char *, because that's what was really intended, and because
if the print function modifies the string, various things could become
unhappy (so the string should _not_ be modified).

SCSI and ST506 support for the VAXstation architecture.