Commit Graph

130 Commits

Author SHA1 Message Date
Poul-Henning Kamp
9626b608de Separate the struct bio related stuff out of <sys/buf.h> into
<sys/bio.h>.

<sys/bio.h> is now a prerequisite for <sys/buf.h> but it shall
not be made a nested include according to bdes teachings on the
subject of nested includes.

Diskdrivers and similar stuff below specfs::strategy() should no
longer need to include <sys/buf.> unless they need caching of data.

Still a few bogus uses of struct buf to track down.

Repocopy by:    peter
2000-05-05 09:59:14 +00:00
Søren Schmidt
af5bd99e9a Fix for the HP burners (and possibly other broken drives to)
that fails to proberly close the disk.
The problem seems to be that the HP burners sometimes return
ready when they actually are not, the solution is to not use
immediate mode on the closing commands. This is suboptimal
for real burners, in that they now hog the ATA bus for possibly
minutes, where its really not nessesary, *sigh*.
2000-05-01 07:30:28 +00:00
Poul-Henning Kamp
67f3c95cf9 Clone the {b|bio}_offset field, and make sure it is always initialized
in struct bio.  Eventually, bio_offset will probably obsolete the
bio_blkno and bio_pblkno fields.

Remove the special hack in atapi-cd.c to determine of bio_offset was valid.
2000-04-25 10:51:18 +00:00
Poul-Henning Kamp
ed6aff7387 Remove unneeded <sys/buf.h> includes.
Due to some interesting cpp tricks in lockmgr, the LINT kernel shrinks
by 924 bytes.
2000-04-18 15:15:39 +00:00
Poul-Henning Kamp
8177437d85 Complete the bio/buf divorce for all code below devfs::strategy
Exceptions:
        Vinum untouched.  This means that it cannot be compiled.
        Greg Lehey is on the case.

        CCD not converted yet, casts to struct buf (still safe)

        atapi-cd casts to struct buf to examine B_PHYS
2000-04-15 05:54:02 +00:00
Søren Schmidt
4175758a2d Add support for ATA66 on newer revisions of the VIA 82C596 2000-04-09 15:08:27 +00:00
Poul-Henning Kamp
c244d2de43 Move B_ERROR flag to b_ioflags and call it BIO_ERROR.
(Much of this done by script)

Move B_ORDERED flag to b_ioflags and call it BIO_ORDERED.

Move b_pblkno and b_iodone_chain to struct bio while we transition, they
will be obsoleted once bio structs chain/stack.

Add bio_queue field for struct bio aware disksort.

Address a lot of stylistic issues brought up by bde.
2000-04-02 15:24:56 +00:00
Søren Schmidt
eae50c69b3 Correct a mishap in phk's BIO_* changes. 2000-03-26 12:01:27 +00:00
Søren Schmidt
8c918526a5 Fix the panic occuring on non-changer devices. 2000-03-24 07:44:20 +00:00
Søren Schmidt
c481f1fa74 Make ATAPI CD changer devices work, hopefully better than before. 2000-03-21 13:26:54 +00:00
Poul-Henning Kamp
21144e3bf1 Remove B_READ, B_WRITE and B_FREEBUF and replace them with a new
field in struct buf: b_iocmd.  The b_iocmd is enforced to have
exactly one bit set.

B_WRITE was bogusly defined as zero giving rise to obvious coding
mistakes.

Also eliminate the redundant struct buf flag B_CALL, it can just
as efficiently be done by comparing b_iodone to NULL.

Should you get a panic or drop into the debugger, complaining about
"b_iocmd", don't continue.  It is likely to write on your disk
where it should have been reading.

This change is a step in the direction towards a stackable BIO capability.

A lot of this patch were machine generated (Thanks to style(9) compliance!)

Vinum users:  Greg has not had time to test this yet, be careful.
2000-03-20 10:44:49 +00:00
Søren Schmidt
2a14fd50d9 Remove the old DSC code, it doesn't work anymore. 2000-03-18 22:42:45 +00:00
Søren Schmidt
0d611a6c29 Cleanup sweep. 2000-03-13 12:27:11 +00:00
Søren Schmidt
cfb21bbb7d Enable disksort the right way both on ATA disks and ATAPI devices. 2000-03-13 12:04:58 +00:00
Søren Schmidt
8048917432 Backout the previous fix, it is _not_ that easy too fix.
Leave it as is for 4.0 the real solution comes later.
2000-03-13 09:10:25 +00:00
Søren Schmidt
4c435787ab Dont call ad_start unless the controller is idle.
This effectively nullified the usefullness of disksort().
2000-03-12 13:56:05 +00:00
Søren Schmidt
924f6734a5 Cosmetics.. 2000-03-10 22:10:34 +00:00
Søren Schmidt
643b70ec9d Dont call make_dev until we are sure the device is there, this prevents
panic'ing when the device is tried accessed later.
2000-03-10 08:09:53 +00:00
Søren Schmidt
aaa29cf209 Fix the CD driver so that the last blocks can be read even if
a blocksize != 2k is used.
Update the timeout code to try fallback to PIO if problems
arise in DMA mode.
2000-03-05 16:52:26 +00:00
Søren Schmidt
b744c0fdc6 Spell construct right. 2000-03-01 14:39:51 +00:00
Søren Schmidt
7caf73fb3c Add DVD-RAM support.
The driver constructs a fake disklabel that makes the 'a' partition
cover the entire DVD-RAM disk. This cannot be changed from the user
side. This solution was chosen because most DVD-RAM will have a
UDF (or until we have that CD9660) filesystem on it covering the
entire disk, its not really thought as a real random access device.

This might change over time, but for now this is what we have, and
it is compatible with CDROM's etc, that makes using the minidisk
subsystem less than ideal, because of !modulo BDEV_SIZE blocks.
2000-02-29 22:00:53 +00:00
Søren Schmidt
41ef40c93d Only read user data when blocksize != 2048, this "read the works"
sneaked in sometime which is not what the average user wants.
2000-02-29 16:11:18 +00:00
Søren Schmidt
cb66e8d4e3 Fix the problem that caused the boot to fail when modules were loaded.
Real braino, confuses two different softc types, I wonder how this
could ever work :(
2000-02-27 12:41:07 +00:00
Søren Schmidt
1a488af60f Add (partial) support for the Cypress ATA controller.
Call intr_teardown on detach.

Always add non masterdevice from unit 2 upwards.

Update to the pccard code, at least some cards are now working,
more testing to follow.
2000-02-25 09:48:23 +00:00
Søren Schmidt
9bd1c89ad3 Add UDMA66 support to the Intel ICH chip.
Submitted by: sakichan@lares.dti.ne.jp
2000-02-22 20:37:01 +00:00
Søren Schmidt
456b5ad253 Fix the changer code, dont wait for device ready on unload, it
wont become ready as there is no media - doh.

Update the command name reporting.
2000-02-21 18:41:05 +00:00
Søren Schmidt
47351d2774 Update the ata driver to take more advantage of newbus, this
was needed to make attach/detach of devices work, which is
needed for the PCCARD support.
(PCCARD support is still not working though, more to come on that)

Support the CMD646 chip which is used on many alphas, sadly only
in WDMA2 mode, as the silicon is broken beyond belief for UDMA modes.

Lots of cosmetic fixes here and there.

Sorry for the size of this megapatchfromhell but it was not
possible otherwise...

newbus patches based on work from: dfr (Doug Rabson)
2000-02-18 20:57:33 +00:00
Søren Schmidt
32c3d17908 That "NO DRIVER" panic fix wasn't good enough... 2000-02-11 07:37:00 +00:00
Søren Schmidt
1af69d6936 Probe cosmetics. 2000-02-08 18:38:39 +00:00
Søren Schmidt
cc8baa1136 The bde script has a bug, I used a patch from it verbatim, bad idea....
Fixed...
2000-02-08 16:39:11 +00:00
Søren Schmidt
e8359a57de Do refcounting of open devices (more) correctly.
count_dev funtion by phk.
2000-02-07 23:05:40 +00:00
Søren Schmidt
a9ec39136b Dont panic if no sub-driver is found. 2000-02-07 22:57:11 +00:00
Søren Schmidt
77145a3388 Unbreak addump, now dumping works again. 2000-02-07 22:56:32 +00:00
Søren Schmidt
96ebd6d1fc fix support for shared IRQ's.
fix support for multiple HPT & Promise controllers.

support mixed 33/66 devices on the Promise 66 controllers.

fix the refcount stuff in the atapi drivers.

misc cleanups.
2000-02-04 10:20:22 +00:00
Søren Schmidt
4de1cbfab9 cosmetic changes only. 2000-01-29 22:38:36 +00:00
Søren Schmidt
eff43d0e8a cosmetic changes only. 2000-01-29 14:10:59 +00:00
Søren Schmidt
a4fec20898 Get the MEDIA_CHANGED status right here too. 2000-01-28 22:17:29 +00:00
Søren Schmidt
211a760057 Use atapi_test_ready not atapi_wait_ready, I need more sleep :( 2000-01-28 21:30:31 +00:00
Søren Schmidt
78e0324341 Get the MEDIA_CHANGED status right. 2000-01-28 21:03:25 +00:00
Søren Schmidt
0b905b407e Fix the atapi-fd.c (afd device) so that fx MSDOS formatted ZIP
disks can be mounted. Use b_pblkno instead of b_blkno

Found by: phk

Protect (proberly) against setting modes on nonexisting devices.
2000-01-28 20:18:19 +00:00
Søren Schmidt
96478887ff Fix compilation on ISA only setups... 2000-01-28 15:57:13 +00:00
Søren Schmidt
02ce0452e1 Cleanup the ata_dmainit function a bit.
Also allow BIOS setup DMA on unknown controllers.
2000-01-28 13:35:43 +00:00
Søren Schmidt
6a7f51845b Oops, fix compile error due to the new way of storing the transfer mode. 2000-01-28 08:03:21 +00:00
Søren Schmidt
0fd4327bb6 Add sysctl oid hw.atamodes to set the transfermodes online. 2000-01-27 19:00:51 +00:00
Søren Schmidt
0817db9f98 Retry a bit more agressively on the atapi identify.
Try to support older systems reporting irq0 for the first channels.

Support sharing of the std interrupts (says peter :) )

Dont use READ_CD on normal data reads (2048 bytes), too many old drives
doesn't support this command even if the std says "shall" :(, but still
use READ_CD on all other blocksizes.

Add the geometry to the ad probe, its still usefull.
2000-01-25 20:14:51 +00:00
Søren Schmidt
fe08efdcfb General cleanup.
Dont be so verbose in the probe, only ONE line printed now, to get more
info boot verbose. Centralise most printf's in ata-all & ata-dma to use
the ata_printf function, it saves alot of codelines.

Repeat the identify command if drive fails the first.

Protect the timeout functions with splbio.

Dont update the transfer details before we are sure the transfer
succeded, this way they are proberly retried on errors.

Move the handling of next_writeable to userland.

Use the READ_CD command to read CD's. That enables us to read _anything_
via the normal read/write interface. This kindof obsoletes the READAUDIO
ioctl, but we keep that for now.
2000-01-24 20:45:24 +00:00
Søren Schmidt
6e5d660a63 Quantify the calls to ad_attach and atapi_attach so that diskless
or atapiless kernels can be built.
2000-01-19 07:25:46 +00:00
Søren Schmidt
974f34013a Rearrange the probecode, so that 80pin cables can be identified
correctly on both master and slave.
Smash together the ata_params & atapi_params structures as they
are more or less equal anyways.
Get rid of the last SYSINIT's in here.
2000-01-18 21:02:59 +00:00
Søren Schmidt
46a37dbac0 Add support for the Intel 810 chipset (ICH type of chips)
Prober support for the VIA 82C686, I finally got the right datasheet.

Get rid of atapi_wait, merge it into ata_wait.

Avoid a couple of races by using asleep instead of tsleep.

Always use 16bit transfers on ISA systems.

Clear up the atapi_read/write functions.
2000-01-17 02:04:19 +00:00
Søren Schmidt
9687efec89 Grrrr, this time it should be right, I need sleep - badly... 2000-01-07 15:51:45 +00:00