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Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.
Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/
Sponsored by: Netflix
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Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/
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The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.
Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix
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o Remove All Rights Reserved from my notices
o imp@FreeBSD.org everywhere
o regularize punctiation, eliminate date ranges
o Make sure that it's clear that I don't claim All Rights reserved by listing
All Rights Reserved on same line as other copyright holders (but not
me). Other such holders are also listed last where it's clear.
Notes:
svn path=/head/; revision=355394
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ISA PNP card support (replace by hand version in if_ed). Move module
declarations to the end of some files. Fix PCCARD_PNP_INFO to use
nitems(). Remove some stale comments about pc98, turns out the comment
was simply wrong.
Notes:
svn path=/head/; revision=327102
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Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.
The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.
Notes:
svn path=/head/; revision=326255
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- Enable the commented out locking in fd_probe(). The worker thread
should not be running yet (even after these changes), but better to be
safe than sorry.
- Defer starting the worker thread until after the child drives have been
probed. The worker thread startup is moved into a fdc_start_worker()
thread that the various front ends call at the end of attach. As a
side effect this fixes a few edge cases that weren't shutting down the
worker thread if attach encountered a late failure.
- When executing the initial reset requested by attach in the worker
thread, use DELAY() instead of a tsleep() if cold is set.
Tested by: Howard Su <howard0su@gmail.com>
Sponsored by: Netflix
Notes:
svn path=/head/; revision=298426
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Most calls to bus_alloc_resource() use "anywhere" as the range, with a given
count. Migrate these to use the new bus_alloc_resource_anywhere() API.
Reviewed by: jhb
Differential Revision: https://reviews.freebsd.org/D5370
Notes:
svn path=/head/; revision=296137
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that we free that resource. All the other resources are freed in
their own routine, but since we haven't saved a pointer to this one,
it is leaked. This is the failure case that lead to the sio ports
that weren't working, I think.
Notes:
svn path=/head/; revision=143618
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length form the enumeration mechanism, or we're dealing with the FDCTL
register, which is only 1 port long.
Notes:
svn path=/head/; revision=143602
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resources. When allocating 6 ports for a 4 port range isa code
returns an error. I'm not sure yet why this is the case, but suspect
it is just a non-regularity in how the resource allocation code works
which should be corrected. Use 1 as the ports size in this case.
However, in the hints case, we have to specify the length, so use 6 in
that case. I believe that this is also acpi friendly.
Also, complain when we can't allocate FDOUT register space. Right now we
silently fail when we can't. This failure is referred to above.
When there's no resource for FDCTL, go ahead and allocate one by hand.
Many PNPBIOS tables don't list this resource, and our hints mechanism also
doesn't cover that range. If we can't allocate it, whine, but fake up
something. Before, we were always bogusly faking it and no one noticed
the sham (save the original author who has now fixed his private shame).
Notes:
svn path=/head/; revision=143380
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into a small array. Also, re-save the dev in attach to avoid
depending on side effects of the probe.
Weird stuff Reported by: jeffr
Notes:
svn path=/head/; revision=140514
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Rather than have a twisty maze of special case allocations, move
instead to a data driven allocation. This should be the most robust
way to cope with the resource problems that the multiplicity of ways
of encoding 5 registers that have the misfortune of not being a power
of 2 nor contiguous.
Also, make it less impossible that pccard will work. I've not been able
to get my libretto floppy working, but it now fails later than before.
phk and I had similar ideas on this during the 5.3 release cycle, but
it wasn't until recently that I could test more than one allocation
scenario.
MFC After: 1 month (5.4 if possible, 5.5 if not)
Notes:
svn path=/head/; revision=140469
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Notes:
svn path=/head/; revision=140040
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+ * 9: 0x3f0-0x3f3,0x3f4-0x3f5,0x3f7
This requires only one change to support. Rather than keying on the
size of the resource being 2, instead key off the end & 7 being 3.
This covers the same cases that the size of 2 would catch, but also
covers the new above case.
In addition, I think it is clearer to use the end in preference to the
size and start for case #8 as well. Turns two tests into one, and
catches no other cases.
Make minor commentary changes to deal with new case #9.
# This change is specifically minimal to allow easy MFC. A more
# extensive change will go into current once I've had a chance to test
# it on a lot of hardware...
Notes:
svn path=/head/; revision=136138
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and 0x3f7. fdc_isa_alloc_resource() didn't work right in this case
(it accessed FDOUT correctly due to an overflow of the first resource.
It accesed FDSTS and FDDATA incorrectly via the second resource (which
wound up accessing FDOUT and the tape register at 0x3f3) and badly for
the CTL register (at location 0x3f4). This is a minimal fix that just
'eats' the first one if it covers two locations and has an offset of
0. This confusion lead the floppy driver to think there'd been a disk
change, which uncovered a deadlock in the floppy/geom code which lead
to a panic. These changes fix that by fixing the underlying resource
problem, but doesn't address the potential deadlock issue that might
still be there.
This is a minimal fix so it can more safely be merged into 5 w/o risk
for known working configurations (hence the use of the ugly goto,
which reduces case 8 to case 6 w/o affecting cases 1-7). A more
invasive fix that will handle more ACPI resource list diversity is in
the pipeline that should kill these issues once and for all, while
staying within the resources that we allocate.
Tested/Reported by: das
Reviewed by: njl
MFC before: re->next_release_name(5.3-BETA5);
Notes:
svn path=/head/; revision=135504
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driver. Trim its fingernails by removing some useless bits before
fixing the 'thread not terminated on detach' problem.
o dmacnt is no longer used now that we allocate at attach time. Remove
it from struct fdc_data.
o ISPNP was only ever set, but never tested. It used to be used for the
allocation routines to change how it allocated resources. Since that's
no longer necessary, retire the flag.
o ISPCMICA was only ever tested, but never set. GC it. This removes
a special case in determining the drive type. The drive type is
now set in fdc_pcmcia.c, so the hack isn't needed anymore. Sadly,
this isn't tested with a Y-E Data pcmcia floppy drive because there
are a number of other issues that preclude it from working.
o Fix ifdef for reading from the rtc. I'm of the opinion that this ifdef
should be moved into fdc_isa.c, but not today as ideally there'd be
other fixes to the probing of children. So now we just read it on
i386 ! pc98 (there's no #define for MACHINE_ARCH, just MACHINE, hence
this slightly inelegant kludge) and amd64. The PC98 exclusion likely
isn't meaningful since pc98 uses a different driver, but will be when
merging of the pc98 floppy code into this driver is complete (this is the
other reason I think this block of code belongs outside fdc.c).
All of these changes are safe to MT5.
Notes:
svn path=/head/; revision=135392
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o Allow for up to 3 resource I/O ranges to be given for the floppy
controller, rather than just two that are allowed for now.
o Make sure that we can work with either a base address of 0x3f0 or 0x3f2.
o Create new inline functions to access the YE DATA's unique BDCR register.
o Update pccard attachment to add the fd device.
o Do some minor style(9) polishing.
# I'm guessing that the fdc pccard attachment broke some time ago, since
# there are a number of issues with it still.
Notes:
svn path=/head/; revision=135212
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ENOENT when there's no PNP ID for this device node, or ENXIO when there
is one, but it doesn't match.
In the nonPNP case (as most Alpha systems appear to be), we were
treating the error return as an error, when it should be have ignored
it. Version 1.9 properly ignored it, but the attach re-write of 1.10
introduced this logic error.
Pointy Hat to: phk (for breaking it then asking me to fix it :-)
Sponsored by: The Voices in Bill Paul's Head, LLC
Notes:
svn path=/head/; revision=134580
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of 0x3f2-0x3f5,0x3f7 the ports are not 7 bytes apart. This should fix
floppy probing on such systems. (We handle the case of adjusting for
a start of 0x3f2 -> 0x3f0 separately, although that code should still be
checked if there are still floppy problems for others.)
Tested by: Sarunas Vancevicius <vsarunas_at_eircom.net>
MFC after: 3 days
Notes:
svn path=/head/; revision=134085
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Centralize the fdctl_wr() function by adding the offset in
the resource to the softc structure.
Bugfix: Read the drive-change signal from the correct place:
same place as the ctl register.
Remove the cdevsw{} related code and implement a GEOM class.
Ditch the state-engine and park a thread on each controller
to service the queue.
Make the interrupt FAST & MPSAFE since it is just a simple
wakeup(9) call.
Rely on a per controller mutex to protect the bioqueues.
Grab GEOMs topology lock when we have to and Giant when
ISADMA needs it. Since all access to the hardware is
isolated in the per controller thread, the rest of the
driver is lock & Giant free.
Create a per-drive queue where requests are parked while
the motor spins up. When the motor is running the requests
are purged to the per controller queue. This allows
requests to other drives to be serviced during spin-up.
Only setup the motor-off timeout when we finish the last
request on the queue and cancel it when a new request
arrives. This fixes the bug in the old code where the motor
turned off while we were still retrying a request.
Make the "drive-change" work reliably. Probe the drive on
first opens. Probe with a recal and a seek to cyl=1 to
reset the drive change line and check again to see if we
have a media.
When we see the media disappear we destroy the geom provider,
create a new one, and flag that autodetection should happen
next time we see a media (unless a specific format is configured).
Add sysctl tunables for a lot of drive related parameters.
If you spend a lot of time waiting for floppies you can
grab the i82078 pdf from Intels web-page and try tuning
these.
Add sysctl debug.fdc.debugflags which will enable various
kinds of debugging printfs.
Add central definitions of our well known floppy formats.
Simplify datastructures for autoselection of format and
call the code at the right times.
Bugfix: Remove at least one piece of code which would have
made 2.88M floppies not work.
Use implied seeks on enhanced controllers.
Use multisector transfers on all controllers. Increase
ISADMA bounce buffers accordingly.
Fall back to single sector when retrying. Reset retry count
on every successful transaction.
Sort functions in a more sensible order and generally tidy
up a fair bit here and there.
Assorted related fixes and adjustments in userland utilities.
WORKAROUNDS:
Do allow r/w opens of r/o media but refuse actual write
operations. This is necessary until the p4::phk_bufwork
branch gets integrated (This problem relates to remounting
not reopening devices, see sys/*/*/${fs}_vfsops.c for details).
Keep PC98's private copy of the old floppy driver compiling
and presumably working (see below).
TODO (planned)
Move probing of drives until after interrupts/timeouts work
(like for ATA/SCSI drives).
TODO (unplanned)
This driver should be made to work on PC98 as well.
Test on YE-DATA PCMCIA floppy drive.
Fix 2.88M media.
This is a MT5 candidate (depends on the bioq_takefirst() addition).
Notes:
svn path=/head/; revision=134081
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Notes:
svn path=/head/; revision=132284
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Notes:
svn path=/head/; revision=132271
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probe.
Notes:
svn path=/head/; revision=132216
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Notes:
svn path=/head/; revision=132139
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Move the resource allocation into the bus front ends.
Notes:
svn path=/head/; revision=132137
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explicitly include it.
Notes:
svn path=/head/; revision=132080
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Notes:
svn path=/head/; revision=132050
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* Add an fdtype ivar. This will be the equivalent of fd->type.
* Move enabling the FIFO to the end of attach.
* Unify reset code into fdc_initial_reset().
* Add fdc_write_ivar().
* Update isa and pccard attachments accordingly.
* Set the flags unconditionally in probe since they may be overridden by
other probe routines. Both before and now, we're depending on probe
being called a final time on the winning driver so the flags we get are
the ones we intended.
* Use the bus accessor macros instead of defining our own.
* Remove duplicate assigns of fd->type.
Notes:
svn path=/head/; revision=132048
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step in making this driver more attachment neutral. Others plan on
adding acpi front ends.
Still need to cleanup the MI part of the driver because it isn't as
bus independent as it could be.
Notes:
svn path=/head/; revision=131767
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