Commit Graph

88917 Commits

Author SHA1 Message Date
Marcel Moolenaar
ef3afadd29 Add the UQ_MSC_NO_PREVENT_ALLOW quirk to handle devices that do not support
the 'PREVENT/ALLOW MEDIUM REMOVAL' SCSI command. An example of such a
device is the STmicro ST72682. We send the SCSI command for every open and
close, which can result in a significant amount of spam on the console
during boot.

Reviewed by:	hps@
2012-11-05 21:03:38 +00:00
Michael Tuexen
f3b05218ea Move from early SSN assignment to late SSN assignment.
This doesn't change functionality, but makes upcoming change
much easier.
Developed with rrs@ at the IETF 85.

MFC after: 1 week
2012-11-05 20:55:17 +00:00
Dimitry Andric
29658c96ce Remove duplicate const specifiers in many drivers (I hope I got all of
them, please let me know if not).  Most of these are of the form:

static const struct bzzt_type {
	[...list of members...]
} const bzzt_devs[] = {
	[...list of initializers...]
};

The second const is unnecessary, as arrays cannot be modified anyway,
and if the elements are const, the whole thing is const automatically
(e.g. it is placed in .rodata).

I have verified this does not change the binary output of a full kernel
build (except for build timestamps embedded in the object files).

Reviewed by:	yongari, marius
MFC after:	1 week
2012-11-05 19:16:27 +00:00
Brooks Davis
5b6478b077 After years of hard work by many FreeBSD and LLVM developers, make
clang the default compiler on i386 and amd64 systems.

Special thanks to:	dim, ed, rdivacky
2012-11-05 19:08:18 +00:00
Dimitry Andric
31edd45d7b In sys/contrib/ngatm/netnatm/msg/uni_ie.c, fix a few warnings from newer
versions of clang 3.2, about comparing enum uni_cause values against
integer constants which fall outside the enum range.  No functional
change.

MFC after:	3 days
2012-11-05 19:00:25 +00:00
Hans Petter Selasky
d30d96ea57 Add a jitter buffer in the common USB serial driver code which
temporarily stores characters if the TTY buffer is full when
used a as a console. This can happen when a console is suspended.
Also properly do the flow stop signalling when this happens and
flow start when the condition changes back to normal again.

Bump __FreeBSD_version to force external kernel modules
to be recompiled. No kernel API changes.

MFC after:	1 week
Suggested by:	ed @
2012-11-05 17:50:40 +00:00
Konstantin Belousov
76fd782cd9 A clarification to the behaviour of the active vnode list management
regarding the vnode page cleaning.

In collaboration with:	pho
MFC after:	1 week
2012-11-05 16:40:42 +00:00
Attilio Rao
2810826df9 fuse_io* must be able to crunch also VDIR vnodes.
Update assert appropriately.

Reported and Tested by:	flo
MFC after:	2 months
X-MFC:		241519,242536
2012-11-05 15:23:54 +00:00
Adrian Chadd
c19a2a1a9f Clear IFF_DRV_OACTIVE if any slots were completed.
This unblocks TX EDMA under high load.
2012-11-05 09:27:47 +00:00
Andre Oppermann
60ee3bb213 Back out r242262. The simplified window change/update logic wasn't
complete and ready for production use.

PR:	kern/173309
2012-11-05 09:13:06 +00:00
Adrian Chadd
bc919a54b2 TX EDMA debugging fixes:
* Do the calculation for each ath_buf, rather than just the first
* Correct the calculation in the first place.
2012-11-05 07:08:45 +00:00
Eitan Adler
a016af99a9 Add support for a few more devices:
PNP0510 and FUJ02E5 for a  "Wacom Tablet at FuS Lifebook T"
PNP0502 and PNP0511 for some other generic devices.

PR:		kern/173357
Submitted by:	Andrey Zakharchenko <avz@jscc.ru>
Approved by:	cperciva (implicit)
MFC after:	1 week
2012-11-04 20:50:23 +00:00
Andriy Gapon
2c6024ec1b zfs_dirlook: bailout early if directory is unlinked
Otherwise we could fail with an incorrect error if e.g. parent
object id is removed too or we can even return a wrong vnode if
parent object has been already re-used.

Discussed with:	pjd
Also see:	http://article.gmane.org/gmane.os.freebsd.devel.file-systems/13863
MFC after:	26 days
2012-11-04 14:50:08 +00:00
Andriy Gapon
5c997cc429 zfsctl_snapdir_lookup: obtain a snapname in the remount case
... which is triggered if somebody did regular umount on a snapshot mount.

Reviewed by:	Matthew Ahrens <mahrens@delphix.com>
MFC after:	20 days
2012-11-04 14:43:15 +00:00
Andriy Gapon
88c8884a71 zfs: set MNTK_EXTENDED_SHARED flag
Discussed with:	kib
MFC after:	20 days
2012-11-04 14:36:11 +00:00
Andriy Gapon
f8abf4a1e4 opensolaris compat: clear VI_MOUNT before returning if mount_snapshot fails
To do: investigate if it would be possible to use normal vfs_domount here.

Reviewed by:	kib
MFC after:	19 days
2012-11-04 14:27:31 +00:00
Andriy Gapon
71900cfaf7 zfs_vnode_forget: dispose of larvae vnode using public vfs api (mostly)
Reviewed by:	kib
MFC after:	19 days
2012-11-04 14:24:00 +00:00
Andriy Gapon
a16e534dbe zfs_umount: no need to set MNTK_UNMOUNTF here, dounmount handles that
Reviewed by:	kib
MFC after:	19 days
2012-11-04 14:22:25 +00:00
Andriy Gapon
8d041ea733 opensolaris_lookup: use vfs_busy in traverse before calling VFS_ROOT
... to ensure that we have a valid mountpoint during the call.

Reviewed by:	kib
MFC after:	19 days
2012-11-04 14:16:18 +00:00
Andriy Gapon
62eeeb8ff8 zfs_vnode_lock: no need to double-guess caller's intentions here
vn_lock should do the right thing with respect to given vnode lock
flags.  If a caller doesn't mind a doomed vnode, then zfs should deliver.

Reviewed by:	kib
MFC after:	19 days
2012-11-04 14:15:13 +00:00
Andriy Gapon
d548e8b66f zfs_mount: drop vfs.zfs.rootpool.prefer_cached_config tunable
It turned out to be not that useful, because its default value may lead
to a problem when a root pool is present in zpool.cache, but its
on-disk status is 'exported'.  This may happen if the pool was imported
in a different environment with -f flag and then exported.

MFC after:	12 days
2012-11-04 13:50:08 +00:00
Andriy Gapon
7ac8ca0d58 zfs_freebsd_close: call zfs_close with count=1 instead of count=0
Otherwise we may be leaking z_sync_cnt, which may lead to unnecessary
ZIL sync-ing.

MFC after:	12 days
2012-11-04 13:48:48 +00:00
Andriy Gapon
e21e29d716 cpuctl_do_cpuid: explicitly use ecx=0 for cpuid call
... instead of whatever random value may happen to be in the register.
ecx is important to some cpuid leaves.

To do: extend cpuctl interface to provide for ecx value parameter.

MFC after:	5 days
2012-11-04 13:46:28 +00:00
Konstantin Belousov
90af57930c Add decoding of the missed MNT_KERN_ flags to ddb "show mount" command.
MFC after:	3 weeks
2012-11-04 13:33:13 +00:00
Konstantin Belousov
fb81941575 Add decoding of the missed VI_ and VV_ flags to ddb "show vnode" command.
MFC after:	3 days
2012-11-04 13:32:45 +00:00
Konstantin Belousov
df3161c7df Order the enumeration of the MNT_ flags to be the same as the order of
their definitions.

MFC after:	3 days
2012-11-04 13:31:41 +00:00
Adrian Chadd
4c5038c7b5 Oops - conditionalise that. 2012-11-04 00:46:01 +00:00
Attilio Rao
6de3b00db6 Fix a bug where operations was carried on even if not implemented,
leading to handling of an invalid fdip object.

Reported and tested by:	flo
MFC after:	2 months
X-MFC:		241519
2012-11-03 23:32:32 +00:00
Alan Cox
e33d0ab830 Replace all uses of the page queues lock by a R/W lock that is private
to this pmap.

Eliminate two redundant #include's.

Tested by:	marcel
2012-11-03 23:22:49 +00:00
Attilio Rao
cfedf924d3 Rework the known rwlock to benefit about staying on their own
cache line in order to avoid manual frobbing but using
struct rwlock_padalign.

Reviewed by:	alc, jimharris
2012-11-03 23:03:14 +00:00
Adrian Chadd
d40c846abf EDMA TX tweaks:
* don't poke ath_hal_txstart() if nothing was pushed into the FIFO during
  the refill process;

* shuffle around the TX debugging output a little so it's logged at
  TX hardware enqueue;

* Add logging of the TX status processing.
2012-11-03 22:54:42 +00:00
Andrew Turner
7bf9ab5331 Merge the FDT versions of initarm.
The copies of initarm used on platforms with FDT support were almost
identical. The differences were pulled out into separate functions that
were called by initarm.

This change merges the, now identical, copies of initarm and a few of it's
support functions. This is a step towards a common kernel on ARMv6.
2012-11-03 22:39:07 +00:00
Ed Schouten
305921c48e Add tty_set_winsize().
This removes some of the signalling magic from the Syscons driver and
puts it in the TTY layer, where it belongs.
2012-11-03 22:21:37 +00:00
Adrian Chadd
64dbfc6d92 For AR9380 NICs - the non-enterprise versions don't support RTS protection
of small (< 256 byte) aggregate frames.

This needs to be done or 11n aggregation TX just simply doesn't work
on these NICs.

Whilst here, extend some debug printing; I was using this whilst
debugging the TX power setup in the TX descriptor(s) on the AR9380.
2012-11-03 22:13:42 +00:00
Adrian Chadd
5540369b93 Add a new HAL call to extract out the HAL enterprise bits from the
AR9300 HAL.
2012-11-03 22:12:35 +00:00
Marcel Moolenaar
4a49da83e1 1. Have the APs initialize the TLB1 entries from what has been
programmed on the BSP during (early) boot. This makes sure
    that the APs get configured the same as the BSP, irrspective
    of how FreeBSD was loaded.
2.  Make sure to flush the dcache after writing the TLB1 entries
    to the boot page. The APs aren't part of the coherency domain
    just yet.
3.  Set pmap_bootstrapped after calling pmap_bootstrap(). The
    FDT code now maps the devices (like OF), and this resulted
    in a panic.
4.  Since we pre-wire the CCSR, make sure not to map chunks of
    it in pmap_mapdev().
2012-11-03 22:02:12 +00:00
Marcel Moolenaar
22ff74b2f4 Add a MD_ROOT_FSTYPE kernel option. The option specifies the
file system part for the MD_ROOT mount string. Hardcoding the
the file system type as "ufs" is too restrictive.
2012-11-03 21:20:55 +00:00
Marcel Moolenaar
d3576a3f9d Add the bus attachment for the embedded EHCI HC. 2012-11-03 21:08:27 +00:00
Marcel Moolenaar
db43ed3750 Allow using the embedded EHCI host controller in Freescale SoCs
by adding the missing bits. See ehci_fsl.c for their use.
2012-11-03 21:05:32 +00:00
Kirk McKusick
aa7ddc85c7 When a file is first being written, the dynamic block reallocation
(implemented by ffs_reallocblks_ufs[12]) relocates the file's blocks
so as to cluster them together into a contiguous set of blocks on
the disk.

When the cluster crosses the boundary into the first indirect block,
the first indirect block is initially allocated in a position
immediately following the last direct block.  Block reallocation
would usually destroy locality by moving the indirect block out of
the way to keep the data blocks contiguous.  This change compensates
for this problem by noting that the first indirect block should be
left immediately following the last direct block.  It then tries
to start a new cluster of contiguous blocks (referenced by the
indirect block) immediately following the indirect block.

We should also do this for other indirect block boundaries, but it
is only important for the first one.

Suggested by: Bruce Evans
MFC:          2 weeks
2012-11-03 18:55:55 +00:00
Attilio Rao
19d4153329 Merge r242395,242483 from mutex implementation:
give rwlock(9) the ability to crunch different type of structures, with
the only constraint that they have a lock cookie named rw_lock.
This name, then, becames reserved from the struct that wants to use
the rwlock(9) KPI and other locking primitives cannot reuse it for
their members.

Namely such structs are the current struct rwlock and the new struct
rwlock_padalign. The new structure will define an object which has the
same layout of a struct rwlock but will be allocated in areas aligned
to the cache line size and will be as big as a cache line.

For further details check comments on above mentioned revisions.

Reviewed by:	jimharris, jeff
2012-11-03 15:57:37 +00:00
Adrian Chadd
b90559c429 HAL API updates, from the previous couple of HAL commits. 2012-11-03 04:56:08 +00:00
Adrian Chadd
f74b406ddd HAL API changes!
* introduce a new HAL API method to pull out the TX status descriptor
  contents.

* Add num_delims to the 11n first aggr method.  This isn't used by the
  driver at the moment so it won't affect anything.
2012-11-03 04:55:43 +00:00
Adrian Chadd
70ee90299b Add a debug method to dump the EDMA TX status descriptor contents out.
This requires some HAL API changes to be useful, as there's no way
right now to pull out the TX status descriptor contents.
2012-11-03 04:53:44 +00:00
Xin LI
299ff0d7cc Sync strlcpy with userland version.
MFC after:	1 month
2012-11-03 04:29:24 +00:00
Xin LI
6afdae4139 Sync strlen with userland implementation.
MFC after:	1 month
2012-11-03 04:28:53 +00:00
Xin LI
808df72635 Copy code from scsi_read_write() as mfi_build_syspd_cdb() to build SCSI
command properly.  Without this change, mfi(4) always sends 10 byte READ
and WRITE commands, which will cause data corruption when device is
larger than 2^32 sectors.

PR:		kern/173291
Submitted by:	Steven Hartland <steven.hartland multiplay.co.uk>
Reviewed by:	mav
MFC after:	2 weeks
2012-11-02 22:07:45 +00:00
Jeff Roberson
6d95eb4c5f - In cancel_mkdir_dotdot don't panic if the inodedep is not available. If
the previous diradd had already finished it could have been reclaimed
   already.  This would only happen under heavy dependency pressure.

Reported by:	Andrey Zonov <zont@FreeBSD.org>
Discussed with:	mckusick
MFC after:	1 week
2012-11-02 21:04:06 +00:00
Alfred Perlstein
5a3a8ec037 Merge 242488, better use of strlcpy.
Submitted by:	Eric van Gyzen <eric@vangyzen.net>
2012-11-02 18:57:38 +00:00
Attilio Rao
e10acbc4d2 Tweak comment to make more clear why it will fail.
Submitted by:	jimharris
2012-11-02 16:31:01 +00:00