Commit Graph

85916 Commits

Author SHA1 Message Date
Randall Stewart
c4e848b770 Make stream our stream reset implementation
compliant to RFC6525.

MFC after:	1 month
2012-03-29 13:36:53 +00:00
Jayachandran C.
7fb26c47df Remove unnecessary assembly code.
The compiler should generate lw/sw corresponding to register
operations.
2012-03-29 11:46:29 +00:00
Andrey V. Elsukov
ba289b84b0 VMDB offset should be greater than logical volume size only for MBR. 2012-03-29 07:29:27 +00:00
Andrey V. Elsukov
1c45872b03 Do proper cleanup for the GPT case when an error occurs. 2012-03-29 06:37:02 +00:00
Eitan Adler
50d675f7a9 Remove trailing whitespace per mdoc lint warning
Disussed with:	gavin
No objection from:	doc
Approved by:	joel
MFC after:	3 days
2012-03-29 05:02:12 +00:00
Juli Mallett
84db023ec1 Assume a big-endian default on MIPS and drop the "eb" suffix from MACHINE_ARCH.
This makes our naming scheme more closely match other systems and the
expectations of much third-party software.  MIPS builds which are little-endian
should require and exhibit no changes.  Big-endian TARGET_ARCHes must be
changed:
	From:		To:
	mipseb		mips
	mipsn32eb	mipsn32
	mips64eb	mips64

An entry has been added to UPDATING and some foot-shooting protection (complete
with warnings which should become errors in the near future) to the top-level
base system Makefile.
2012-03-29 02:54:35 +00:00
David Xu
d31f470d15 Reduce code size by creating common timed sleeping function. 2012-03-29 02:46:43 +00:00
Juli Mallett
df42d19401 Turn on messages from the Simple Executive codebase, what few there are. 2012-03-29 02:05:11 +00:00
Juli Mallett
5143d82211 Disable FP instruction emulation by default on !o32 because of ABI concerns.
Note that in practice this isn't needed because we get a coprocessor unusable
exception first, but that's actually something like a bug.
2012-03-29 02:04:15 +00:00
Juli Mallett
39dec33f2b Supply endianness implied by the -m flag when compiling ucore code. 2012-03-29 02:03:06 +00:00
Juli Mallett
5c3c01764b Fix little-endian built. 2012-03-29 02:02:23 +00:00
Nathan Whitehorn
13b5e92e01 Allow multiple inclusion of trap.h. This has always been broken, but
until recently never caused problems.
2012-03-29 02:02:14 +00:00
Kirk McKusick
6c09f4a27c A refinement of change 232351 to avoid a race with a forcible unmount.
While we have a snapshot vnode unlocked to avoid a deadlock with another
inode in the same inode block being updated, the filesystem containing
it may be forcibly unmounted. When that happens the snapshot vnode is
revoked. We need to check for that condition and fail appropriately.

This change will be included along with 232351 when it is MFC'ed to 9.

Spotted by:  kib
Reviewed by: kib
2012-03-28 21:21:19 +00:00
Fabien Thomas
f5f9340b98 Add software PMC support.
New kernel events can be added at various location for sampling or counting.
This will for example allow easy system profiling whatever the processor is
with known tools like pmcstat(8).

Simultaneous usage of software PMC and hardware PMC is possible, for example
looking at the lock acquire failure, page fault while sampling on
instructions.

Sponsored by: NETASQ
MFC after:	1 month
2012-03-28 20:58:30 +00:00
Kirk McKusick
1faacf5d09 Keep track of the mount point associated with a special device
to enable the collection of counts of synchronous and asynchronous
reads and writes for its associated filesystem. The counts are
displayed using `mount -v'.

Ensure that buffers used for paging indicate the vnode from
which they are operating so that counts of paging I/O operations
from the filesystem are collected.

This checkin only adds the setting of the mount point for the
UFS/FFS filesystem, but it would be trivial to add the setting
and clearing of the mount point at filesystem mount/unmount
time for other filesystems too.

Reviewed by: kib
2012-03-28 20:49:11 +00:00
John Baldwin
45a225844f Allocate the ioapics[] array dynamically since it is only needed for the
duration of madt_setup_io().  This avoids having the array take up
permanent space in the BSS.

Inspired by:	bde
MFC after:	2 weeks
2012-03-28 18:53:48 +00:00
Jim Harris
47c3b89324 Ensure consistent target IDs for direct-attached devices.
Sponsored by: Intel
Reported by: sbruno, <rpokala at panasas dot com>
Tested by: <rpokala at panasas dot com>
Reviewed by: scottl
Approved by: scottl
MFC after: 3 days
2012-03-28 18:38:13 +00:00
Jung-uk Kim
a6e69b92e6 Add a PNP ID for Japanese 106-key keyboard.
PR:		kern/166459
MFC after:	3 days
2012-03-28 17:58:37 +00:00
Nathan Whitehorn
7e55df27cb More PMAP performance improvements: skip 256 MB segments entirely if they
are are not mapped during ranged operations and reduce the scope of the
tlbie lock only to the actual tlbie instruction instead of the entire
sequence. There are a few more optimization possibilities here as well.
2012-03-28 17:25:29 +00:00
Jung-uk Kim
3f8d720f87 MFV: r233615
Revert r233555 and apply a fix for the reference counting regressions.

Tested by:	andreast, lme, nwhitehorn,
		Sevan / Venture37 (venture37 at gmail dot com)
Submitted by:	Robert Moore (robert dot moore at intel dot com)
2012-03-28 17:21:59 +00:00
John Baldwin
5dba6ec3b3 Move the DTrace return IDT vector back up from 0x20 to 0x92. The 0x20
vector is currently dedicated to servicing IRQ 0 from the 8259A's, so
it shouldn't be overloaded for DTrace.

Tested by:	rstone
MFC after:	1 week
2012-03-28 16:32:17 +00:00
Konstantin Belousov
ea573a50b3 Do trivial reformatting of the comment to record the missed commit
message for r233609:
Restore the writes of atimes, quotas and superblock from syncer vnode.

Noted by:   rdivacky
2012-03-28 14:16:15 +00:00
Konstantin Belousov
a988a5c609 Reviewed by: bde, mckusick
Tested by:	pho
MFC after:	2 weeks
2012-03-28 14:06:47 +00:00
Konstantin Belousov
64c8ead942 Microoptimize: in qsync loop over mount vnodes, only unlock mount
interlock after we committed to try to vget() the vnode.

Submitted by:	bde
Reviewed by:	mckusick
Tested by:	pho
MFC after:	1 week
2012-03-28 13:56:18 +00:00
Konstantin Belousov
e0c1740853 Update comment.
MFC after:	3 days
2012-03-28 13:47:07 +00:00
Alexander Motin
16b8ad6420 Stop HDA controller polling callout on suspend and reset it on resume.
PR:		kern/166382
MFC after:	1 week
2012-03-28 13:28:09 +00:00
Marko Zec
2454a7ca98 Permit tcpdrop in VNET jails.
Submitted by:	Miljenko Mikuc
MFC after:	3 days
2012-03-28 12:30:16 +00:00
Michael Tuexen
86e4703fa6 Honor the net.inet.udp.checksum sysctl when using SCTP/UDP/IPv4
encapsulation.
MFCing requires MFCing http://svn.freebsd.org/changeset/base/233554
MFC after: 2 weeks
2012-03-28 08:11:46 +00:00
Pyun YongHyeon
c3f52a31a5 Remove unnecessary #if as the software workaround for PCI protocol
violation should be activated unless the system is cold-booted
after updating EEPROM.
The PCI protocol violation happens only when established link is
10Mbps so the workaround should be updated whenever link state
change is detected.  Previously the workaround was activated only
when user checks current media status with ifconfig(8).
2012-03-28 01:52:38 +00:00
Pyun YongHyeon
8262183e5b Load entire EEPROM contents in device attach time and verify
whether the checksum of EEPROM is valid or not.  Because driver
heavily relies on EEPROM information when it selectively enables
features/workarounds, it would be helpful to know whether driver
sees valid EEPROM.
While I'm here remove all other EEPROM accesses since the entire
EEPROM is loaded at device attach time.

MFC after:	2 weeks
2012-03-28 01:27:27 +00:00
Pyun YongHyeon
1343a72fe2 Partially revert r223608 and selectively allow microcode loading
for 82550C.  For 82550 controllers this change restores CPUSaver
microcode loading.  Due to silicon bug on 82550 and 82550C with
server extension, these controllers seem to require CPUSaver
microcode to receive fragmented UDP datagrams.  However the
microcode shouldn't be used on client featured 82550C as it locks
up the controller.  In addition, client featured 82550C does not
have the silicon bug.  Also clear temporary memory used for
microcode loading since the same memory area is used for other
commands.
While I'm here use 82550C in probe message instead of generic
82550.

Reported by:	Andreas Longwitz <longwitz <> incore de>
Tested by:	Andreas Longwitz <longwitz <> incore de>
MFC after:	2 weeks
2012-03-28 01:08:55 +00:00
Jung-uk Kim
f9be5550f7 - Do not clobber softc when psm(4) is reintialized.
- Make INITAFTERSUSPEND flag independent of HOOKRESUME flag.
- Automatically set INITAFTERSUSPEND flag when ALPS GlidePoint is detected.
- Always probe Synaptics Touchpad.  Allow MOUSE_SYN_GETHWINFO ioctl and
automatically set INITAFTERSUSPEND flag when a supported device is detected,
regardless of "hw.psm.synaptics_support" tunable setting.
- Update psm(4) to reflect the above changes.
- Remove long-time defunct SYNCHACK flag while I am in the neighborhood.

MFC after:	1 month
2012-03-27 23:43:01 +00:00
Jung-uk Kim
71804adc62 Restore interrupt state after executing AcpiEnterSleepState(). 2012-03-27 23:26:58 +00:00
Peter Wemm
88c7c4348b Allow (with a license warning) "options ZFS" to work in static kernels.
The 'make depend' rules have to use custom -I paths for the special compat
includes for the opensolaris/zfs headers.

This option will pull in the couple of files that are shared with dtrace,
but they appear to correctly use the MODULE_VERSION/MODULE_DEPEND rules
so loader should do the right thing, as should kldload.

Reviewed by:	pjd (glanced at)
2012-03-27 21:23:56 +00:00
Jean-Sébastien Pédron
b00e1f7c38 Make ReiserFS MPSAFE
Most functions seemed to be already fine w.r.t. what's done in msdosfs.

MFC after:	1 month
2012-03-27 20:36:03 +00:00
Bernhard Schmidt
d3287f9a2e strip (R) to match manpage and pci_vendors
MFC after:	1 week
2012-03-27 18:27:45 +00:00
Jayachandran C.
eff39d0f38 Fix size of PCI softc. 2012-03-27 18:26:35 +00:00
Oleksandr Tymoshenko
ef902782ef Fix crash on VirtualBox (and probably on some real hardware):
- Do not cover error returned by pmc_core_initialize with the
    result of pmc_uncore_initialize, fail right away.
- Give a user something to report instead failing silently

Reported by:	Alexandr Kovalenko <never@nevermind.kiev.ua>
2012-03-27 18:22:14 +00:00
Bernhard Schmidt
5465c7a0d4 Add support for 6150 series devices.
Tested by:	Shane Riddle <sh4neriddle at yahoo dot com>
MFC after:	1 week
2012-03-27 17:45:50 +00:00
Jayachandran C.
4b3aada9d4 Resource allocation for XLP SoC SDHCI slots
The on-chip SD slots do not have PCI BARs corresponding to them, so
this has to be handled in the custom SoC memory allocation.

Provide memory resource for rids corresponding to BAR 0 and 1 in
the custom allocation code.
2012-03-27 15:43:32 +00:00
Jayachandran C.
d5d4261f35 Update memory and resource allocation code for SoC devices
The XLP on-chip devices have PCI configuration headers, but some of the
devices need custom resource allocation code.
- devices with no MEM/IO BARs with registers in PCIe extended reg
  space have to be handled in memory resource allocation
- devices without INTPIN/INTLINE in PCI header can be supported
  by having these faked with a shadow register.
- Some devices does not allow 8/16 bit access to the register space,
  he default bus space cannot be used for these.

Subclass pci and override attach and resource allocation methods to
take care of this.

Remove earlier code which did this partially.
2012-03-27 15:39:55 +00:00
Jung-uk Kim
c708f80e7d MFV: r233551
Fix two possible memory leaks in error path.

Obtained from:	ACPICA
2012-03-27 15:27:20 +00:00
Jayachandran C.
2652f84c92 NOR flash driver for XLP.
The NOR interface on the SoC appears on the top level PCI bus. Add
a simple driver for this.
2012-03-27 15:16:38 +00:00
Jung-uk Kim
f19ebc89a3 MFV: r233550
Temporarily revert an upstream commit.  This change caused regressions for
too many laptop users.  Especially, automatic repair for broken _BIF caused
strange reference counting issues and kernal panics.  This reverts:

c995fed15a
2012-03-27 15:15:30 +00:00
Bjoern A. Zeeb
40b676bea6 Export the udp_cksum sysctl for upcoming SCTP work. Rather than always,
SCTP will only do IPv4 UDP checksum calculation as defined by the host
policy.  When tunneling SCTP always calculates the inner checksum already
so not doing the outer UDP can save cycles.

While here virtualize the variable.

Requested by:	tuexen
MFC after:	2 weeks
2012-03-27 15:14:29 +00:00
Jayachandran C.
9c1f1330d6 CFI fixes for big endian archs.
The flash commands and responses are little-endian and have to be
byte swapped on big-endian systems.  However the raw read of data
need not be swapped.

Make the cfi_read and cfi_write do the swapping, and provide a
cfi_read_raw which does not byte swap for reading data from
flash.
2012-03-27 15:13:12 +00:00
Ryan Stone
9742410797 Instead of only iterating over the set of known SDT probes when sdt.ko is
loaded and unloaded, also have sdt.ko register callbacks with kern_sdt.c
that will be called when a newly loaded KLD module adds more probes or
a module with probes is unloaded.

This fixes two issues: first, if a module with SDT probes was loaded after
sdt.ko was loaded, those new probes would not be available in DTrace.
Second, if a module with SDT probes was unloaded while sdt.ko was loaded,
the kernel would panic the next time DTrace had cause to try and do
anything with the no-longer-existent probes.

This makes it possible to create SDT probes in KLD modules, although there
are still two caveats: first, any SDT probes in a KLD module must be part
of a DTrace provider that is defined in that module.  At present DTrace
only destroys probes when the provider is destroyed, so you can still
panic the system if a KLD module creates new probes in a provider from a
different module(including the kernel) and then unload the the first module.

Second, the system will panic if you unload a module containing SDT probes
while there is an active D script that has enabled those probes.

MFC after:	1 month
2012-03-27 15:07:43 +00:00
Jayachandran C.
250a191260 XLP UART code udpate.
Move XLP PCI UART device to sys/mips/nlm/dev/ directory.  Other
drivers for the XLP SoC devices will be added here as well.
Update uart_cpu_xlp.c and uart_pci_xlp.c use macros for uart port,
speed and IO frequency.
2012-03-27 14:48:40 +00:00
John Baldwin
02fe8590fd Use VM_MEMATTR_UNCACHEABLE instead of VM_MEMATTR_UNCACHED for UC mappings.
VM_MEMATTR_UNCACHED is actually the x86-specific UC- mode (where a WC
MTRR can override the PAT setting).
2012-03-27 14:24:29 +00:00
Jayachandran C.
35011d20cb xlpge : driver for XLP network accelerator
Features:
- network driver for the four 10G interfaces and two management ports
  on XLP 8xx.
- Support 4xx and 3xx variants of the processor.
- Source code and firmware building for the 16 mips32r2 micro-code engines
  in the Network Accelerator.
- Basic initialization code for Packet ordering Engine.

Submitted by:	Prabhath Raman (prabhath at netlogicmicro com)
		[refactored and fixed up for style by jchandra]
2012-03-27 14:05:12 +00:00
Fabien Thomas
6f33c108f7 Fix random deadlock on pmcstat exit:
- Exit the thread when soft shutdown is requested
- Wakeup owner thread.

Reproduced/tested by looping pmcstat measurement:
pmcstat -S instructions -O/tmp/test ls

MFC after:	1 week
2012-03-27 14:02:22 +00:00
Jayachandran C.
ca950537bb Support for EEPROM and CPLD on XLP EVP boards.
On XLP evaluation platform, the board information is stored
in an I2C eeprom and the network block configuration is available
from a CPLD connected to the GBU (NOR flash bus). Add support
for both of these.
2012-03-27 12:25:47 +00:00
Jayachandran C.
9b4d140639 Opencrypto driver for XLP Security and RSA/ECC blocks
Support for the Security and RSA blocks on XLP SoC. Even though
the XLP supports many more algorithms, only the ones supported
in OCF have been added.

Submitted by:	Venkatesh J. V. (venkatesh at netlogicmicro com)
2012-03-27 11:43:46 +00:00
Jayachandran C.
8f57f9e0d7 I2C support for XLP, add hints for I2C devices and update PCI resource
allocation code.
2012-03-27 11:17:04 +00:00
Jayachandran C.
1ab68cbb08 Driver for OpenCores I2C controller.
Add a Simple polled driver iicoc for the OpenCores I2C controller. This
is used in Netlogic XLP processors.

Submitted by:	Sreekanth M. S. (kanthms at netlogicmicro com)
2012-03-27 10:44:32 +00:00
Jayachandran C.
1513a6ff90 Move driver for DS1374 RTC to sys/dev/iicbus
The earlier version of the driver is sys/mips/rmi/dev/iic/ds1374u.c
Convert all references to ds1374u to ds1374, and use DEVMETHOD_END.
Also update the license header as Netlogic is now Broadcom.
2012-03-27 09:48:18 +00:00
Jayachandran C.
e12ed67f35 XLP PCIe code update.
- XLP supports hardware swap for PCIe IO/MEM accesses. Since we
  are in big-endian mode, enable hardware swap and use the normal
  bus space.
- move some printfs to bootverbose, and remove others.
- fix SoC device resource allocation code
- Do not use '|' while updating PCIE_BRIDGE_MSI_ADDRL
- some style fixes

In collaboration with: Venkatesh J. V. (venkatesh at netlogicmicro com)
2012-03-27 07:57:41 +00:00
Jayachandran C.
752a2fe776 Update the L1D cache flush sequence when enabling threads.
Added more comments to the code.
2012-03-27 07:51:42 +00:00
Jayachandran C.
68790561a5 Switch to interrupt based message handling for XLP 8xx B0.
Fixup some style issues in the file as well.
2012-03-27 07:47:13 +00:00
Jayachandran C.
91339fd498 Support for XLP4xx and XLP 8xx B0 revision
- Add 4xx processor IDs, add workaround in CPU detection code.
- Update frequency detection code for XLP 8xx.
- Add setting device frequency code.
- Update processor ID checking code.
2012-03-27 07:39:05 +00:00
Jayachandran C.
7aeda475e5 Fixes to the XLP startup code.
Changes are:
- Correct the order of calling init functions.
- Fix up checking excluding reset area.
2012-03-27 07:34:27 +00:00
Adrian Chadd
e789273713 Correct the ordering of tid/crypto ic_name.
Because the code lacks all the GNU extensions to printf() format stuff,
the compiler doesn't helpfully tell us that I messed up in a previous
commit.

Pointy hat to: adrian, who likely only cares about this because he's the
  only one who bothers flipping on net80211 debugging.
2012-03-27 04:15:38 +00:00
Nathan Whitehorn
a3e9e259b3 Make sure to call vm_page_dirty() before the pmap lock is released to
prevent a race where another process could conclude the page was clean.

Submitted by:	alc
2012-03-27 01:26:00 +00:00
Nathan Whitehorn
5afcb4c91e More PMAP concurrency improvements: replace the table lock and (almost) all
uses of the page queues mutex with a new rwlock that protects the page
table and the PV lists. This reduces system time during a parallel
buildworld by 35%.

Reviewed by:	alc
2012-03-27 01:24:18 +00:00
Oleksandr Tymoshenko
683822338e - For o32 ABI get arguments from the stack
- Clear CPU_DTRACE_FAULT flag in userland backtrace routine. It just
   means we hit wrong memory region and should stop.
2012-03-26 21:47:06 +00:00
Oleksandr Tymoshenko
b74d1af74e Add .reginfo section entry 2012-03-26 21:26:23 +00:00
Oleksandr Tymoshenko
933fab9d73 Properly cast 64-bit dofhp_dof to pointer.
For i386 this change is no-op. For AMD64 it was tested with DTrace test
suite: results are the same from the test run before the change and after
2012-03-26 21:22:51 +00:00
Robert Millan
63eebf9c6b Register signal 33 explicitly as reserved by real-time library, and
use it by its new name (SIGLIBRT) rather than internal definition
in librt (SIGSERVICE).

Approved by:	davidxu, arch
2012-03-26 19:12:09 +00:00
Marius Strobl
f7b9ae0882 Remove second consts in r233288 in order to appease C++ compilers.
While at it, remove some style(9) bugs in libkern.h.

Submitted by:	kan
2012-03-26 18:22:04 +00:00
Adrian Chadd
091e146cf6 Use the assigned sequence number when checking if a retried packet is
within the BAW.

This regression was introduced in ane earlier commit by me to fix the
BAW seqno allocation-but-not-insertion-into-BAW race.  Since it was only
ever using the to-be allocated sequence number, any frame retries
with the first frame in the BAW still in the software queue would
have constantly failed, as ni_txseqs[tid] would always be outside
the BAW.

TODO:

* Extract out the mostly common code here in the agg and non-agg ADDBA
  case and stuff it into a single function.

PR:		kern/166357
2012-03-26 16:05:19 +00:00
Alexander V. Chernikov
b25711e6b0 - Add knlist_init_rw_reader() function to kqueue(9).
Function acquired reader lock if needed.
Assert check for reader or writer lock (RA_LOCKED / RA_UNLOCKED)
- While here, add knlist_init_mtx.9 to MLINKS and fix some style(9) issues

Reviewed by:    glebius
Approved by:    ae(mentor)

MFC after:      2 weeks
2012-03-26 09:34:17 +00:00
Oleksandr Tymoshenko
4d18d83736 Use macroses to load/store pointers and increase indexes instead of
hardcoded MIPS64 instructions
2012-03-26 01:26:33 +00:00
Adrian Chadd
0f04c5a211 Add some more debugging to try and nail down exactly what's going on when
I see traffic stalls.

It turns out that the bug isn't because the first and last frame in the
BAW is in the software queue.  It is more likely that it's because
the first frame in the BAW is still in the software queue and thus there's
no more room to allocate and do subsequent TX.

PR:		kern/166357
2012-03-25 23:50:34 +00:00
Robert Millan
fb27c25a9a Follow non-BSD case when GNU/Hurd is detected. 2012-03-25 21:54:36 +00:00
Alexander V. Chernikov
732d27b32d - Permit number of ipfw tables to be changed in runtime.
net.inet.ip.fw.tables_max is now read-write.

- Bump IPFW_TABLES_MAX to 65535
Default number of tables is still 128

- Remove IPFW_TABLES_MAX from ipfw(8) code.

Sponsored by Yandex LLC

Approved by:    kib(mentor)

MFC after:      2 weeks
2012-03-25 20:37:59 +00:00
Justin T. Gibbs
0d17232400 Correct failure to attach the PV block front device on Citrix
XenServer configurations that advertise the multi-page ring extension,
but only allow a single page of ring space.

sys/dev/xen/blkfront/blkfront.c:
	If only one page of ring space is being used, do not publish
	in the XenStore the number of pages in use (1), via either
	of the supported multi-page ring extension schemes.

	Single page operation is the same with or without the
	ring-page extension being negotiated.   Relying on the
	legacy behavior avoids an incompatible difference in how
	the two ring-page extension schemes that are out in the
	wild, deal with the base case of a single page.  The
	Amazon/Red Hat drivers use the same XenStore variable as
	if the extension was not negotiated.  The Citrix drivers
	assume the new ring reference XenStore variables will be
	available

Reported by:	Oliver Schonefeld <schonefeld@ids-mannheim.de>
MFC after:	3 days
2012-03-25 14:20:43 +00:00
Edward Tomasz Napierala
bd944e019e Remove unused define.
Discussed with:	kib
2012-03-25 12:53:19 +00:00
Nathan Whitehorn
e71dfa7b84 More PMAP performance improvements: on powerpc64, when TLBIE can be run
with exceptions enabled, leave them enabled and use a regular mutex to
guard TLB invalidations instead of a spinlock.
2012-03-25 06:01:34 +00:00
Adrian Chadd
e7200579b8 Add the new channel width change field to the ath(4) driver.
This is not entirely correct as it simply resets the channel, flushing
whatever is in the TX/RX queue.  This can and will break aggregation
BAW tracking.  But the alternative (HT40 frames being sent with the hardware
in HT20 mode) is even worse.

There's still a small window between the htinfo being received (and the ni_chw
field being updated) which could cause problems.  I'll look at fleshing this
out in follow-up commits.

PR:		kern/166286
2012-03-25 03:14:31 +00:00
Adrian Chadd
b94299c437 Create a new task to handle 802.11n channel width changes.
Currently, a channel width change updates the 802.11n HT info data in
net80211 but it doesn't trigger any device changes.  So the device
driver may decide that HT40 frames can be transmitted but the last
device channel set only had HT20 set.

Now, a task is scheduled so a hardware reset or change isn't done
during any active ongoing RX. It also means that it's serialised
with the other task operations (eg channel change.)

This isn't the final incantation of this work, see below.

For now, any unmodified drivers will simply receive a channel
change log entry.  A subsequent patch to ath(4) will introduce
some basic channel change handling (by resetting the NIC.)
Other NICs may need to update their rate control information.

TODO:

* There's still a small window at the present moment where the
  channel width has been updated but the task hasn't been fired.
  The final version of this should likely pass in a channel width
  field to the driver and let the driver atomically do whatever
  it needs to before changing the channel.

PR:		kern/166286
2012-03-25 03:11:57 +00:00
Kirk McKusick
75a5838904 Add a third flags argument to ffs_syncvnode to avoid a possible conflict
with MNT_WAIT flags that passed in its second argument. This will be
MFC'ed together with r232351.

Discussed with: kib
2012-03-25 00:02:37 +00:00
Nathan Whitehorn
d456d3e31f Only call vm_page_dirty() on pages that are writable in order not to
confuse the VM.
2012-03-24 22:32:19 +00:00
Nathan Whitehorn
8e7c7ea2ea Following suggestions from alc, skip wired mappings in pmap_remove_pages()
and remove moea64_attr_*() in favor of direct calls to vm_page_dirty()
and friends.
2012-03-24 19:59:14 +00:00
Alan Cox
5d4c773b32 Disable detailed PV entry accounting by default. Add a config option
to enable it.

MFC after:	1 week
2012-03-24 19:43:49 +00:00
Marius Strobl
b78ebd64b2 Add cas(4), gem(4) and hme(4) to x86 GENERICs as suggested by netchild@ in
<20120222095239.Horde.0hpYHJjmRSRPRKzXsoFRbYk@webmail.leidinger.net>.
According to some private emails received, it apparently is not unpopular
to use at least Quad GigaSwift cards driven by cas(4) in x86 machines.

MFC after:	1 week
2012-03-24 18:08:28 +00:00
Marius Strobl
12af29abfd Consistently update to the MPI header set version 01.05.20 after r224761.
Requested by:	mjacob

MFC after:	1 week
2012-03-24 16:23:21 +00:00
Marius Strobl
b3f46df007 Initialize the mutexes used for the NVM and the swflag as MTX_DUPOK in
order to avoid otherwise harmless witness warnings when these are acquired
at the same time and due to both using MTX_NETWORK_LOCK as their type.
The right fix actually would be to use different, descriptive types for
these. However, the latter would require undesirable changes to the shared
code base. Another approach would be to just supply NULL as the type, which
was deemed as less desirable though as it would cause the unique but cryptic
name also to be used for the type and to diverge from the type used by other
network device drivers.

MFC after:	1 week
2012-03-24 15:15:34 +00:00
Marius Strobl
1376f3e1d1 Given that this is a host-PCI-Express bridge driver, create the parent
DMA tag with a 4 GB boundary as required by PCI-Express. With r232403 in
place this actually is redundant. However, the host-PCI-Express bridge
driver is the more appropriate place for implementing this restriction.

MFC after:	3 days
2012-03-24 13:11:58 +00:00
Dimitry Andric
d4ddb330c9 Fix the following clang warning in sys/dev/dcons/dcons.c, caused by the
recent changes in sys/x86/include/endian.h:

  sys/dev/dcons/dcons.c:190:15: error: implicit conversion from '__uint32_t' (aka 'unsigned int') to '__uint16_t' (aka 'unsigned short') changes value from 1684238190 to 28526 [-Werror,-Wconstant-conversion]
	  buf->magic = ntohl(DCONS_MAGIC);
		       ^~~~~~~~~~~~~~~~~~
  sys/sys/param.h:306:18: note: expanded from:
  #define ntohl(x)        __ntohl(x)
			  ^
  ./x86/endian.h:128:20: note: expanded from:
  #define __ntohl(x)      __bswap32(x)
			  ^
  ./x86/endian.h:78:20: note: expanded from:
	      __bswap32_gen((__uint32_t)(x)) : __bswap32_var(x))
			    ^
  ./x86/endian.h:68:26: note: expanded from:
	  (((__uint32_t)__bswap16(x) << 16) | __bswap16((x) >> 16))
				  ^
  ./x86/endian.h:75:53: note: expanded from:
	      __bswap16_gen((__uint16_t)(x)) : __bswap16_var(x)))
					       ~~~~~~~~~~~~~ ^

This is because the __bswapXX_gen() macros (for x86) call the regular
__bswapXX() macros.  Since the __bswapXX_gen() variants are only called
when their arguments are constant, there is no need to do that constancy
check recursively.  Also, it causes the above error with clang.

Fix it by calling __bswap16_gen() from __bswap32_gen(), and similarly,
__bswap32_gen() from  __bswap64_gen().

While here, add extra parentheses around the __bswap16_gen() macro
expansion, to prevent unexpected side effects.
2012-03-24 10:07:21 +00:00
Oleksandr Tymoshenko
5e608d0b09 Remap PMC interrupt for all cores 2012-03-24 06:28:15 +00:00
Oleksandr Tymoshenko
fa1e9b3a72 Add DTrace-related part to machine-dependent code:
- DTrace trap handler
- invop-related variables (unused on MIPS but still referenced from dtrace)
2012-03-24 05:17:38 +00:00
Oleksandr Tymoshenko
2c1620b407 Jusy use i386 version of cyclic_machdep.c on all supported architectures.
It's generic enough to cover all of them.
2012-03-24 05:16:26 +00:00
Oleksandr Tymoshenko
9f69e6bdb1 Make lockstat and profile modules x86-only 2012-03-24 05:15:14 +00:00
Oleksandr Tymoshenko
c57e9d4e83 Add device part of DTrace/MIPS code 2012-03-24 05:14:37 +00:00
Oleksandr Tymoshenko
5083ce5c09 Add MIPS support to cddl/contrib part:
- header and stub .c file for fasttrap module. It's not supported on
    MIPS yet, but there is no way to disable support completely
- Do as amd64 trying to limit allocated memory
2012-03-24 04:52:18 +00:00
Marius Strobl
24a0e7eeab As it turns out, mpi_cnfg.h already is included by mpt.h. 2012-03-24 00:37:56 +00:00
Marius Strobl
fd61f4215c - Use the PCI ID macros from mpi_cnfg.h rather than duplicating them here.
Note that this driver additionally probes some device IDs for the most
  part not know to other MPT drivers, if at all. So rename the macros not
  present in mpi_cnfg.h to match the naming scheme in the latter and but
  suffix them with a _FB in order to not cause conflicts.
- Like mpt_set_config_regs(), comment out mpt_read_config_regs() as the
  content of the registers read isn't actually used and both functions
  aren't exactly up to date regarding the possible layouts of the BARs
  (these function might be helpful for debugging though, so don't remove
  them completely).
- Use DEVMETHOD_END.
- Use NULL rather than 0 for pointers.
- Remove an unusual check for the softc being NULL.
- Remove redundant zeroing of the softc.
- Remove an overly banal and actually partly incorrect as well as partly
  outdated comment regarding the allocation of the memory resource.

MFC after:	3 days
2012-03-24 00:30:17 +00:00
Oleksandr Tymoshenko
27f3b996d0 Add define for MIPS.options 2012-03-23 22:52:23 +00:00
Mikolaj Golub
903712c99c Add a sysctl to set and retrieve binary osreldate of another process.
Suggested by:	kib
Reviewed by:	kib
MFC after:	2 weeks
2012-03-23 20:05:41 +00:00
Bernhard Schmidt
ada977b103 Use suspend/resume methods provided by net80211. This ensures that the
appropriate state handling takes place, not doing so results in the
device doing nothing until manual intervention.

Reviewed by:	iwasaki
Tested by:	iwasaki (iwi)
MFC after:	4 weeks
2012-03-23 19:32:30 +00:00