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2007-10-09IB/umem: Add hugetlb flag to struct ib_umemJoachim Fenkes
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>
2007-10-09IB/srp: Add QoS support through service IDSean Hefty
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>
2007-10-09RDMA/ucma: Allow user space to set service typeSean Hefty
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>
2007-10-09RDMA/cma: Add ability to specify type of serviceSean Hefty
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>
2007-10-09IB/sa: Add new QoS fields to path recordSean Hefty
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>
2007-10-09IPoIB: Specify Traffic Class with path record queries for QoS supportSean Hefty
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>
2007-10-09IB/ehca: Fix large page HW cap definesHoang-Nam Nguyen
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09IB/ehca: Bump version number and change its formatJoachim Fenkes
Nobody needed the SVNEHCA_ prefix anyway. Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09IB/ehca: Replace get_paca()->paca_index by the more portable ↵Joachim Fenkes
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>
2007-10-09IB/ehca: Serialize MR alloc and MR free hvCallsJoachim Fenkes
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>
2007-10-09IB/ehca: Path migration supportJoachim Fenkes
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>
2007-10-09IB/ehca: Add check for max #SGE to create_qp()Joachim Fenkes
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09IB/ehca: ehca_gen_warn() should always printJoachim Fenkes
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09IB/ehca: Print return codes as signed decimal integersJoachim Fenkes
...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>
2007-10-09IB/ehca: Refactor hvcall tracingJoachim Fenkes
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>
2007-10-09IB/ehca: Use remap_4k_pfn() to map firmware contexts to user spaceHoang-Nam Nguyen
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>
2007-10-09IB/ehca: Support more than 4k QPs for userspace and kernelspaceStefan Roscher
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09IB/ehca: Small QP userspace supportStefan Roscher
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09IB/mthca: Use PCI-X/PCI-Express read control interfacesPeter Oruba
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>
2007-10-09IB/sa: Error handling thinko fixAli Ayoub
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>
2007-10-09IB/ehca: Export module parameters in sysfsAnton Blanchard
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>
2007-10-09IB/ehca: Make output clearer by removing some debug messagesAnton Blanchard
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>
2007-10-09IB/mlx4: Fix up SRQ limit_watermark endiannessRoland Dreier
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>
2007-10-09IPoIB: Fix error path memory leakEli Cohen
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>
2007-10-09IPoIB: Fix typo to end statement with ';' instead of ','Eli Cohen
Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09IB/mthca: Enable MSI-X by defaultMichael S. Tsirkin
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>
2007-10-09mlx4_core: Enable MSI-X by defaultMichael S. Tsirkin
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>
2007-10-09IB/fmr_pool: Clean up some error messages in fmr_pool.cAnton Blanchard
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>
2007-10-09IB/ehca: Include <linux/mutex.h> from ehca_classes.hRoland Dreier
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>
2007-10-09IB/mlx4: Use __set_data_seg() in mlx4_ib_post_recv()Roland Dreier
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>
2007-10-09mlx4_core: Don't free special QPs in QP number bitmapRoland Dreier
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>
2007-10-09mlx4_core: Use enum value GO_BIT_TIMEOUT_MSECSDotan Barak
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>
2007-10-09IB: find_first_zero_bit() takes unsigned pointerRoland Dreier
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>
2007-10-09IPoIB: Make sure no receives are handled when stopping deviceRoland Dreier
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>
2007-10-09RDMA/cxgb3: Make the iw_cxgb3 module parameters writableSteve Wise
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>
2007-10-09Linux 2.6.23Linus Torvalds
2007-10-09Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] Au1000: set the PCI controller IO base [MIPS] Alchemy: Fix USB initialization. [MIPS] IP32: Fix fatal typo in address computation.
2007-10-09NLM: Fix a memory leak in nlmsvc_testlockTrond Myklebust
The recent fix for a circular lock dependency unfortunately introduced a potential memory leak in the event where the call to nlmsvc_lookup_host fails for some reason. Thanks to Roel Kluin for spotting this. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-09sata_mv: correct S/G table limitsJeff Garzik
The recent mv_fill_sg() rewrite, to fix a data corruption problem related to IOMMU virtual merging, forgot to account for the potentially-increased size of the scatter/gather table after its run. Additionally, the DMA boundary is reduced from 0xffffffff to 0xffff to more closely match the needs of mv_fill_sg(). Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-09[MIPS] Au1000: set the PCI controller IO baseFlorian Fainelli
The PCI controller IO base was not set in the au1000 pci code. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John Crispin <blogic@openwrt.org> Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-10-09[MIPS] Alchemy: Fix USB initialization.Florian Fainelli
This patch fixes a wrong ifdef in the board setup code, leading to the GPIO pin not being pulled high, and thus the USB switch not being powered at all. This finishes the rename of CONFIG_USB_OHCI to CONFIG_USB_OHCI_HCD, which started in 2005 (before 2.6.12-rc2), then probably because things were working anyway for most people got forgotten. [Ralf: Paolo's original patch didn't fix the module case, Florian's patch only fixed MTX1 etc. so this is a combined patch plus some cleanups.] Cc: Giuseppe Patanè <giuseppe.patane@tvblob.com> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John Crispin <blogic@openwrt.org> Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-10-09[MIPS] IP32: Fix fatal typo in address computation.Giuseppe Sacco
Signed-off-by: Giuseppe Sacco <eppesuig@debian.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-10-08Correct Makefile rule for generating custom keymapMaarten Bressers
When building a custom keymap, after setting GENERATE_KEYMAP := 1 in drivers/char/Makefile, the kernel build fails like this: CC drivers/char/vt.o make[2]: *** No rule to make target `drivers/char/%.map', needed by `drivers/char/defkeymap.c'. Stop. make[1]: *** [drivers/char] Error 2 make: *** [drivers] Error 2 This was caused by commit af8b128719f5248e542036ea994610a29d0642a6, which deleted a necessary colon from the Makefile rule that generates the keymap, since that rule contains both a target and a target-pattern. The following patch puts the colon back: Signed-off-by: Maarten Bressers <mbres@gentoo.org> Cc: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-08ISDN: Fix data access out of array boundsKarsten Keil
Fix against access random data bytes outside the dev->chanmap array. Thanks to Oliver Neukum for pointing me to this issue. Signed-off-by: Karsten Keil <kkeil@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-08Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [IPv6]: Fix ICMPv6 redirect handling with target multicast address [PKT_SCHED] cls_u32: error code isn't been propogated properly [ROSE]: Fix rose.ko oops on unload [TCP]: Fix fastpath_cnt_hint when GSO skb is partially ACKed
2007-10-08AIO: fix cleanup in io_submit_one(...)Yan Zheng
When IOCB_FLAG_RESFD flag is set and iocb->aio_resfd is incorrect, statement 'goto out_put_req' is executed. At label 'out_put_req', aio_put_req(..) is called, which requires 'req->ki_filp' set. Signed-off-by: Yan Zheng<yanzheng@21cn.com> Cc: Zach Brown <zach.brown@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-08fix page release issue in filemap_faultYan Zheng
find_lock_page increases page's usage count, we should decrease it before return VM_FAULT_SIGBUS Signed-off-by: Yan Zheng<yanzheng@21cn.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-08fix VM_CAN_NONLINEAR check in sys_remap_file_pagesYan Zheng
The test for VM_CAN_NONLINEAR always fails Signed-off-by: Yan Zheng<yanzheng@21cn.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-08mm: set_page_dirty_balance() vs ->page_mkwrite()Peter Zijlstra
All the current page_mkwrite() implementations also set the page dirty. Which results in the set_page_dirty_balance() call to _not_ call balance, because the page is already found dirty. This allows us to dirty a _lot_ of pages without ever hitting balance_dirty_pages(). Not good (tm). Force a balance call if ->page_mkwrite() was successful. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-08[IPv6]: Fix ICMPv6 redirect handling with target multicast addressBrian Haley
When the ICMPv6 Target address is multicast, Linux processes the redirect instead of dropping it. The problem is in this code in ndisc_redirect_rcv(): if (ipv6_addr_equal(dest, target)) { on_link = 1; } else if (!(ipv6_addr_type(target) & IPV6_ADDR_LINKLOCAL)) { ND_PRINTK2(KERN_WARNING "ICMPv6 Redirect: target address is not link-local.\n"); return; } This second check will succeed if the Target address is, for example, FF02::1 because it has link-local scope. Instead, it should be checking if it's a unicast link-local address, as stated in RFC 2461/4861 Section 8.1: - The ICMP Target Address is either a link-local address (when redirected to a router) or the same as the ICMP Destination Address (when redirected to the on-link destination). I know this doesn't explicitly say unicast link-local address, but it's implied. This bug is preventing Linux kernels from achieving IPv6 Logo Phase II certification because of a recent error that was found in the TAHI test suite - Neighbor Disovery suite test 206 (v6LC.2.3.6_G) had the multicast address in the Destination field instead of Target field, so we were passing the test. This won't be the case anymore. The patch below fixes this problem, and also fixes ndisc_send_redirect() to not send an invalid redirect with a multicast address in the Target field. I re-ran the TAHI Neighbor Discovery section to make sure Linux passes all 245 tests now. Signed-off-by: Brian Haley <brian.haley@hp.com> Acked-by: David L Stevens <dlstevens@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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