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68773 commits

Author SHA1 Message Date
Joachim Fenkes
c8d8beea03 IB/umem: Add hugetlb flag to struct ib_umem
During ib_umem_get(), determine whether all pages from the memory
region are hugetlb pages and report this in the "hugetlb" member.
Low-level drivers can use this information if they need it.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:13 -07:00
Sean Hefty
247e020ee5 IB/srp: Add QoS support through service ID
Provide the target service ID when performing a path record query to
support optional QoS capability.  QoS requires support from the SA.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:12 -07:00
Sean Hefty
7ce86409ad RDMA/ucma: Allow user space to set service type
Export the ability to set the type of service to user space.  Model
the interface after setsockopt.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:12 -07:00
Sean Hefty
a81c994d5e RDMA/cma: Add ability to specify type of service
Provide support to specify a type of service for a communication
identifier.  A new function call is used when dealing with IPv4
addresses.  For IPv6 addresses, the ToS is specified through the
traffic class field in the sockaddr_in6 structure.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>

[ The comments Eitan Zahavi and myself have made over the v1 post at 
  <http://lists.openfabrics.org/pipermail/general/2007-August/039247.html>
  were fully addressed. ]
 
Reviewed-by: Or Gerlitz <ogerlitz@voltaire.com> 
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:12 -07:00
Sean Hefty
733d65fe33 IB/sa: Add new QoS fields to path record
The QoS annex defines new fields for path records.  Add them to the
ib_sa for consumers that want to use them.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Reviewed-by: Or Gerlitz <ogerlitz@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:12 -07:00
Sean Hefty
81668838c4 IPoIB: Specify Traffic Class with path record queries for QoS support
To support QoS within and between subnets, modify IPoIB to request
specific Traffic Class values with path record queries, using
the value associated with the IPoIB broadcast group.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>

[ See some comments I made on this at v1 and v2 of the posts
  <http://lists.openfabrics.org/pipermail/general/2007-August/039275.html>
  <http://lists.openfabrics.org/pipermail/general/2007-September/040312.html> ]

Reviewed-by: Or Gerlitz <ogerlitz@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:11 -07:00
Hoang-Nam Nguyen
08c283ac26 IB/ehca: Fix large page HW cap defines
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:11 -07:00
Joachim Fenkes
39089e7774 IB/ehca: Bump version number and change its format
Nobody needed the SVNEHCA_ prefix anyway.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:11 -07:00
Joachim Fenkes
5110e4de49 IB/ehca: Replace get_paca()->paca_index by the more portable raw_smp_processor_id()
We can use raw_smp_processor_id() here because the processor ID is
only used for debug output and therefore our use is preemption-unsafe.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:11 -07:00
Joachim Fenkes
0b5de96858 IB/ehca: Serialize MR alloc and MR free hvCalls
Some firmware levels exhibit a race condition between H_ALLOC_RESOURCE(MR)
and H_FREE_RESOURCE(MR).  Work around this problem by locking these hvCalls
against each other.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:11 -07:00
Joachim Fenkes
e90d0b3dae IB/ehca: Path migration support
Fix some modify_qp() issues related to path migration.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:10 -07:00
Joachim Fenkes
b708fba3c2 IB/ehca: Add check for max #SGE to create_qp()
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:10 -07:00
Joachim Fenkes
86dce445e0 IB/ehca: ehca_gen_warn() should always print
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:10 -07:00
Joachim Fenkes
e37221928b IB/ehca: Print return codes as signed decimal integers
...because -12 is easier to read than FFFFFFF4.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:10 -07:00
Joachim Fenkes
2863ad4bdd IB/ehca: Refactor hvcall tracing
Change hvcall trace output towards better readability: reg numbers
instead of argument numbers, return code as signed decimal instead of
unsigned hex.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:10 -07:00
Hoang-Nam Nguyen
e390d3b52f IB/ehca: Use remap_4k_pfn() to map firmware contexts to user space
Use Paul's new remap_4k_pfn() function to map our 4K firmware contexts
into user space on 64K-page machines without exposing neighboring
firmware contexts. Return the context's offset within a 64K page to
user space so it can determine the proper virtual address.

For details about remap_4k_pfn(), see commit 721151d0 or
http://patchwork.ozlabs.org/linuxppc/patch?id=10281

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:09 -07:00
Stefan Roscher
5281a4b8a0 IB/ehca: Support more than 4k QPs for userspace and kernelspace
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:08 -07:00
Stefan Roscher
441633b968 IB/ehca: Small QP userspace support
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:07 -07:00
Peter Oruba
a855b1a742 IB/mthca: Use PCI-X/PCI-Express read control interfaces
These driver changes incorporate the proposed PCI-X / PCI-Express read
byte count interface.  Reading and setting those values doesn't take
place "manually", instead wrapping functions are called to allow
quirks for some PCI bridges.

Signed-off by: Peter Oruba <peter.oruba@amd.com>
Based on work by Stephen Hemminger <shemminger@linux-foundation.org>
Cc: Roland Dreier <rolandd@cisco.com>
Cc: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:07 -07:00
Ali Ayoub
3c10c7c929 IB/sa: Error handling thinko fix
ib_create_send_mad() returns an error code pointer on error, not NULL.

Signed-off-by: Michael S. Tsirkin <mst@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:07 -07:00
Anton Blanchard
339e2640a9 IB/ehca: Export module parameters in sysfs
At the moment the ehca module parameters are not exported in sysfs.
Export them with 0444 permissions.

Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Hoang-Nam Nguyen <hnguyen@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:06 -07:00
Anton Blanchard
1f79448302 IB/ehca: Make output clearer by removing some debug messages
ehca spits out a lot of debugging information. I had to look closely to
see the "Port 1 is not active" message within all the debug:

eHCA Infiniband Device Driver (Rel.: SVNEHCA_0022)
eHCA scaling code enabled
ehca D.001.DQDXYCB-P1-C9: PU0006 EHCA_ERR:ehca_define_sqp Port 1 is not active.
ehca D.001.DQDXYCB-P1-C9: PU0006 EHCA_ERR:ehca_create_qp ehca_define_sqp() failed rc=ffffffffffffffff
ib_mad: Couldn't create ib_mad QP1
ib_mad: Couldn't open ehca0 port 1
ehca D.001.DQDXYCB-P1-C9: PU0006 EHCA_ERR:ehca_alloc_fmr unsupported fmr_attr->page_shift=9
ehca D.001.DQDXYCB-P1-C9: PU0006 EHCA_ERR:ehca_alloc_fmr rc=ffffffffffffffea pd=c000000b4b5b2420 mr_access_flags=7 fmr_attr=c0000005afd37394
fmr_create failed for FMR 0

Remove a few debug statements so that things are clearer:

eHCA Infiniband Device Driver (Rel.: SVNEHCA_0022)
eHCA scaling code enabled
ehca D.001.DQDXYCB-P1-C9: PU0006 EHCA_ERR:ehca_define_sqp Port 1 is not active.
ib_mad: Couldn't create ib_mad QP1
ib_mad: Couldn't open ehca0 port 1
ehca D.001.DQDXYCB-P1-C9: PU0006 EHCA_ERR:ehca_alloc_fmr unsupported fmr_attr->page_shift=9
fmr_create failed for FMR 0

Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Hoang-Nam Nguyen <hnguyen@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:06 -07:00
Roland Dreier
d7dc3ccbe4 IB/mlx4: Fix up SRQ limit_watermark endianness
mlx4_srq_query() returns a big-endian 16-bit value through an int *,
which screws up sparse checking.  Fix this so that a CPU-endian value
is returned.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:06 -07:00
Eli Cohen
ca6de177ac IPoIB: Fix error path memory leak
Clean up properly if ib_query_pkey() or ib_query_gid() fail.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:06 -07:00
Eli Cohen
b3ac60fc24 IPoIB: Fix typo to end statement with ';' instead of ','
Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:06 -07:00
Michael S. Tsirkin
017aadc4b5 IB/mthca: Enable MSI-X by default
Recover from MSI-X errors by automatically falling back on regular
interrupt, instead of asking the user to do this manually.  This makes
it possible to enable MSI-X by default, and will make it possible to
get rid of the msi_x module option in the future.

Signed-off-by: Michael S. Tsirkin <mst@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:06 -07:00
Michael S. Tsirkin
08fb105540 mlx4_core: Enable MSI-X by default
Recover from MSI-X errors by automatically falling back on regular
interrupt, instead of asking the user to do this manually.  This makes
it possible to enable MSI-X by default, and will make it possible to
get rid of the msi_x module option in the future.

Signed-off-by: Michael S. Tsirkin <mst@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:05 -07:00
Anton Blanchard
8a68bbe31d IB/fmr_pool: Clean up some error messages in fmr_pool.c
A number of printks in fmr_pool.c dont have newlines, eg:

    fmr_create failed for FMR 0<5>FS-Cache: Loaded

Fix them up.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:05 -07:00
Roland Dreier
1fea391039 IB/ehca: Include <linux/mutex.h> from ehca_classes.h
ehca_classes.h uses struct mutex, so while <linux/mutex.h> seems to be
pulled in indirectly by one of the headers it includes, the right
thing is to include <linux/mutex.h> directly.

Signed-off-by: Michael S. Tsirkin <mst@dev.mellanox.co.il>
Acked-by: Stefan Roscher <stefan.roscher@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:05 -07:00
Roland Dreier
2242fa4f04 IB/mlx4: Use __set_data_seg() in mlx4_ib_post_recv()
Use a __set_data_seg() helper in mlx4_ib_post_recv() too; in addition
to making the code easier to read, this also allows gcc to generate
better code -- on x86_64:

add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-8 (-8)
function                                     old     new   delta
mlx4_ib_post_recv                            359     351      -8

Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:05 -07:00
Roland Dreier
eaf559bf56 mlx4_core: Don't free special QPs in QP number bitmap
Special QPs are not allocated using the regular QP number bitmap, so
when they are destroyed, their QP number should not be freed in the
bitmap.

Found by Dotan Barak of Mellanox.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:05 -07:00
Dotan Barak
36ce10d3e8 mlx4_core: Use enum value GO_BIT_TIMEOUT_MSECS
Rename GO_BIT_TIMEOUT to GO_BIT_TIMEOUT_MSECS for clarity, and
actually use it as the go bit timeout (instead of having the define
but then ignoring it and using a hard-coded 10 * HZ for the actual
timeout).

Signed-off-by: Dotan Barak <dotanb@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:04 -07:00
Roland Dreier
65d470b3ea IB: find_first_zero_bit() takes unsigned pointer
Fix sparse warning

    drivers/infiniband/core/device.c:142:6: warning: incorrect type in argument 1 (different signedness)
    drivers/infiniband/core/device.c:142:6:    expected unsigned long const *addr
    drivers/infiniband/core/device.c:142:6:    got long *[assigned] inuse

by making the local variable inuse unsigned.  Does not affect generated
code at all.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:04 -07:00
Roland Dreier
ce423ef50e IPoIB: Make sure no receives are handled when stopping device
The current IPoIB code might process receive completions from
ipoib_drain_cq() when bringing down the interface.  This could cause
packets to be passed up the stack without the device's poll method
being called.  Avoid this by setting the status of any successful
completions to IB_WC_WR_FLUSH_ERR.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:04 -07:00
Steve Wise
e54664c095 RDMA/cxgb3: Make the iw_cxgb3 module parameters writable
Allow changing parameter values without having to reload the module.
This is safe because these parameters are only looked at when a new
connection is established.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:04 -07:00
Darrick J. Wong
57c7c3a0fd hwmon: IBM power meter driver
Add a driver to export IBM PowerExecutive power meter sensors.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-10-09 22:56:32 -04:00
Rudolf Marek
c940336b44 hwmon: (coretemp) Add support for Celeron 4xx
This patch adds support for the Celeron 4xx based on Core 2 core.

Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-10-09 22:56:32 -04:00
Jean Delvare
889af3d5d9 hwmon: (lm87) Disable VID when it should be
A stupid bit shifting bug caused the VID value to be always exported
even when the hardware is configured for something different.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-10-09 22:56:32 -04:00
Jean Delvare
7d4a137491 hwmon: (w83781d) Add individual alarm and beep files
The upcoming libsensors 3 needs these individual alarm and beep files.
For the W83781D, this is quirky because this chip has a single alarm
bit for both temp2 and temp3.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-10-09 22:56:32 -04:00
Jean Delvare
90d6619a91 hwmon: VRM is not read from registers
The VRM value is not read from chip registers, so there's no need
to update the device data cache before exporting the VRM value to
user-space.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-10-09 22:56:32 -04:00
Mark M. Hoffman
a1aa5a770d MAINTAINERS: update hwmon subsystem git trees
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-10-09 22:56:32 -04:00
Jean Delvare
5fbea518da hwmon: Fix the code examples in documentation
Fix a bug in the code examples, make them comply with CodingStyle,
and indent them for a better redability.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-10-09 22:56:32 -04:00
Hans de Goede
2ed4263308 hwmon: update sysfs interface document - error handling
Here is a patch adding some text to the sysfs interface documentation on how
settings written to sysfs attributes should be handled, focussing mainly on
error handling. This version incorperates Jean's latest comments.

Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-10-09 22:56:31 -04:00
Jean Delvare
cc28a610d4 hwmon: (thmc50) Fix a debug message
type_name was used before being set. See why I don't like play-it-safe
variable initializations: they prevent the compiler from warning you
about such mistakes. So fix that as well.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-10-09 22:56:31 -04:00
Jean Delvare
894c00cf38 hwmon: (thmc50) Don't create temp3 if not enabled
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-10-09 22:56:31 -04:00
Jean Delvare
c2803b9855 hwmon: (lm87) Add individual alarm files
Add individual alarm files to the lm87 driver. The new libsensors
needs this.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-10-09 22:56:31 -04:00
Jean Delvare
b965d4b7f6 hwmon: (lm87) Fix a division by zero
Missing parentheses in the definition of FAN_FROM_REG cause a division
by zero for a specific register value.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-10-09 22:56:31 -04:00
Jean Delvare
428a7039c5 hwmon: (lm78) Add individual alarm files
Add individual alarm files to the lm78 driver, these are needed by
the next version of libsensors.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-10-09 22:56:31 -04:00
Jean Delvare
69f2f96d9c hwmon: (lm90) Export temperature offset values
Now that we have standard sysfs names to export temperature offset
values, add this feature to the lm90 driver. All supported chips
except the MAX6657, MAX6658 and MAX6659 support it.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-10-09 22:56:31 -04:00
Jean Delvare
dabf375b87 hwmon: Kconfig dependency cleanups
* Drop HWMON from the dependency list of ABITUGURU3 and LM93: this is
  now handled at menu level.
* Make the Abit, Asus and FSC chip drivers depend on X86. These are
  custom chips which can only be found on their respective manufacturer's
  systems, and these manufacturers only do x86 hardware AFAIK.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-10-09 22:56:31 -04:00