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path: root/drivers/infiniband
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2006-03-03IB/srp: Don't send task management commands after target removalRoland Dreier
Just fail abort and reset requests that come in after we've already decided to remove a target. Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-02-14Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
2006-02-13IB/mthca: bump driver version and release dateRoland Dreier
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-02-11IPoIB: Yet another fix for send-only joinsRoland Dreier
Even after the last fix, it's still possible for a send-only join to start before the join for the broadcast group has finished. This could cause us to create a multicast group using attributes from the broadcast group that haven't been initialized yet, so we would use garbage for the Q_Key, etc. Fix this by waiting until the broadcast group's attached flag is set before starting send-only joins. Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-02-10IB/mthca: Don't print debugging info until we have all valuesRoland Dreier
When debugging is enabled, the mthca_QUERY_DEV_LIM() firmware command function prints out some of the device limits that it queries. However the debugging prints happen before all of the fields are extracted from the firmware response, so some of the values that get printed are uninitialized junk. Move the prints to the end of the function to fix this. Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-02-07IPoIB: Fix another send-only join raceMichael S. Tsirkin
Further, there's an additional issue that I saw in testing: ipoib_mcast_send may get called when priv->broadcast is NULL (e.g. if the device was downed and then upped internally because of a port event). If this happends and the send-only join request gets completed before priv->broadcast is set, we get an oops. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-02-07IPoIB: Don't start send-only joins while multicast thread is stoppedMichael S. Tsirkin
Fix the following race scenario: - Device is up. - Port event or set mcast list triggers ipoib_mcast_stop_thread, this cancels the query and waits on mcast "done" completion. - Completion is called and "done" is set. - Meanwhile, ipoib_mcast_send arrives and starts a new query, re-initializing "done". Fix this by adding a "multicast started" bit and checking it before starting a send-only join. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-02-06[PATCH] IB: fix up major/minor sysfs interface for IB coreGreg Kroah-Hartman
Current IB code doesn't work with userspace programs that listen only to the kernel event netlink socket as it is trying to create its own dev interface. This small patch fixes this problem, and removes some unneeded code as the driver core handles this logic for you automatically. Acked-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-02-03IB/mad: Handle DR SMPs with a LID routed partRalph Campbell
Fix handling of directed route SMPs with a beginning or ending LID routed part. Signed-off-by: Ralph Campbell <ralphc@pathscale.com> Signed-off-by: Hal Rosenstock <halr@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-30IB/mthca: Semaphore to mutex conversionsRoland Dreier
Convert semaphores to mutexes in mthca. Leave firmware command interface poll_sem and event_sem as semaphores. Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-30IB/mthca: Don't cancel commands on a signalMichael S. Tsirkin
We have run into the following problem: if a task receives a signal while in the process of e.g. destroying a resource (which could be because the relevant file was closed) mthca could bail out from trying to take a command interface semaphore without performing the appropriate command to tell hardware that the resource is being destroyed. As a result we see messages like ib_mthca 0000:04:00.0: HW2SW_CQ failed (-4) In this case, hardware could access the resource after the memory has been freed, possibly causing memory corruption. A simple solution is to replace down_interruptible() by down() in command interface activation. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> [ It's also not safe to bail out on multicast table operations, since they may be invoked on the cleanup path too. So use down() for mcg_table.sem too. ] Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-30IB/srp: Semaphore to mutex conversionIngo Molnar
Convert srp_host->target_mutex from a semaphore to a mutex. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-30IB/mthca: Relax UAR size checkMichael S. Tsirkin
There are some cards around that have UAR (user access region) size different from 8 MB. Relax our sanity check to make sure that the PCI BAR is big enough to access the UAR size reported by the device firmware instead. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-21IB/mthca: Use correct GID in MADs sent on port 2Michael S. Tsirkin
mthca_create_ah() includes the port number in the GID index. The reverse needs to be done in mthca_read_ah(). Noted by Hal Rosenstock. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-17IPoIB: Lock accesses to multicast packet queuesMichael S. Tsirkin
Avoid corrupting mcast->pkt_queue by serializing access with priv->tx_lock. Also, update dropped packet statistics to count multicast packets removed from pkt_queue as dropped. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-17IB/sa_query: Flush scheduled work before unloading moduleMichael S. Tsirkin
sa_query schedules work on IB asynchronous events. After unregistering the async event handler, make sure that this work has completed before releasing the IB device (and possibly allowing the sa_query module text to go away). Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-17IB/uverbs: Flush scheduled work before unloading moduleMichael S. Tsirkin
uverbs might schedule work to clean up when a file is closed. Make sure that this work runs before allowing module text to go away. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-17IPoIB: Make sure path is fully initialized before using itMichael S. Tsirkin
The SA path record query completion can initialize path->pathrec.dlid before IPoIB's callback runs and initializes path->ah, so we must test ah rather than dlid. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-14[PATCH] Unlinline a bunch of other functionsArjan van de Ven
Remove the "inline" keyword from a bunch of big functions in the kernel with the goal of shrinking it by 30kb to 40kb Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Acked-by: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-13IB: convert from semaphores to mutexesIngo Molnar
semaphore to mutex conversion by Ingo and Arjan's script. Signed-off-by: Ingo Molnar <mingo@elte.hu> [ Sanity-checked on real IB hardware ] Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-12IB/mthca: Initialize grh_present before using itMichael S. Tsirkin
build_mlx_header() was using sqp->ud_header.grh_present before it was initialized by mthca_read_ah(). Furthermore, header->grh_present is set by ib_ud_header_init, so there's no need to set it again in mthca_read_ah(). Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-12IB/mthca: Cosmetic: use the ALIGN macroMichael S. Tsirkin
Use the ALIGN macro to simplify some rounding code. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-12IB/mthca: Fix memory leaks in error handlingJack Morgenstein
Fix memory leaks in mthca_create_qp() and mthca_create_srq() error handling. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-12IB/mthca: Fix memory leak of multicast group structuresIshai Rabinovitz
Convert "/ (1 << lg)" to ">> lg" for a slight code size reduction. add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-24 (-24) function old new delta mthca_map_cmd 613 589 -24 Signed-off-by: Ishai Rabinovitz <ishai@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-12IPoIB: Fix memory leak of multicast group structuresEli Cohen
The current handling of multicast groups in IPoIB ends up never freeing send-only multicast groups. It turns out the logic was much more complicated than it needed to be; we can fix this bug and completely kill ipoib_mcast_dev_down() at the same time. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-11IPoIB: Take dev->xmit_lock around mc_list accessesMichael S. Tsirkin
dev->mc_list accesses must be protected by dev->xmit_lock. Found by Eli Cohen <eli@mellanox.co.il>. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-10IPoIB: Fix address handle refcounting for multicast groupsEli Cohen
Multiple ipoib_neigh structures on mcast->neigh_list may point to the same ah. This means that ipoib_mcast_free() can't just make a list of ah structs to free, since this might end up trying to add the same ah to the list more than once. Handle this in ipoib_multicast.c in the same way as it is handled in ipoib_main.c for struct ipoib_path. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-10IPoIB: Fix error path in ipoib_mcast_dev_flush()Eli Cohen
Don't leak memory on allocation failure for broadcast mcast group. Also, print a warning to match handling for other mcast groups. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-10IB: Add node_guid to struct ib_deviceSean Hefty
Add a node_guid field to struct ib_device. It is the responsibility of the low-level driver to initialize this field before registering a device with the midlayer. Convert everyone to looking at this field instead of calling ib_query_device() when all they want is the node GUID, and remove the node_guid field from struct ib_device_attr. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-09IB/mthca: Factor common MAD initialization codeRoland Dreier
Factor out common code for initializing MAD packets, which is shared by many query routines in mthca_provider.c, into init_query_mad(). add/remove: 1/0 grow/shrink: 0/4 up/down: 16/-44 (-28) function old new delta init_query_mad - 16 +16 mthca_query_port 521 518 -3 mthca_query_pkey 301 294 -7 mthca_query_device 648 641 -7 mthca_query_gid 453 426 -27 Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-09IB/mthca: kzalloc conversionsRoland Dreier
Convert kmalloc()/memset(,0,) pairs to kzalloc(). Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-09IB/mthca: prevent event queue overrunMichael S. Tsirkin
I am seeing EQ overruns in SDP stress tests: if the CQ completion handler arms a CQ, this could generate more EQEs, so that EQ will never get empty and consumer index will never get updated. This is similiar to what we have with command interface: /* * cmd_event() may add more commands. * The card will think the queue has overflowed if * we don't tell it we've been processing events. */ However, for completion events, we *don't* want to update the consumer index on each event. So, perform EQ doorbell coalescing: allocate EQs with some spare EQEs, and update once we run out of them. The value 0x80 was selected to avoid any performance impact. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-09IB/mthca: fix page shift calculation in mthca_reg_phys_mr()Michael S. Tsirkin
For all pages except possibly the last one, the byte beyond the buffer end must be page aligned. Therefore, when computing the page shift to use, OR the end addresses of the buffers as well as the start addresses into the mask we check. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-08Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
2006-01-08[PATCH] fix more missing includesTim Schmielau
Include fixes for 2.6.14-git11. Should allow to remove sched.h from module.h on i386, x86_64, arm, ia64, ppc, ppc64, and s390. Probably more to come since I haven't yet checked the other archs. Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06IB: Set GIDs correctly in ib_create_ah_from_wc()Ralph Campbell
ib_create_ah_from_wc() doesn't create the correct return address (AH) when there is a GRH present (source & dest GIDs need to be swapped). Signed-off-by: Ralph Campbell <ralphc@pathscale.com> Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-06IB/uverbs: Release event file reference on ib_uverbs_create_cq() errorJack Morgenstein
ib_uverbs_create_cq() should release the completion channel event file if an error occurs after it looks it up. Also, if userspace asks for a completion channel and we don't find it, an error should be returned instead of silently creating a CQ without a completion channel. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-06IB/uverbs: set ah_flags when creating address handleRalph Campbell
AH attribute's ah_flags need to be set according to the is_global flag passed in from userspace. Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-06IB/uverbs: Fix reference counting on error pathsJack Morgenstein
If an operation fails after incrementing an object's reference count, then it should decrement the reference count on the error path. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-06IB/mthca: Add support for automatic path migration (APM)Dotan Barak
Add code to modify QP operation to handle setting alternate paths for connected QPs. Signed-off-by: Dotan Barak <dotanb@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-06IB/mthca: Fill in vendor_err field in completion with errorMichael S. Tsirkin
Fill vendor_err field in completion with error. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-06IB/mthca: multiple fixes for multicast group handlingJack Morgenstein
Multicast group management fixes: . Fix leak of mailbox memory in error handling on multicast group operations. . Free AMGM indices at detach and in attach error handling. . Fix amount to shift for aligning next_gid_index in mailbox: it starts at bit 6, not bit 5. . Allocate AMGM index after end of MGM table, in the range num_mgms to multicast table size - 1. Add some BUG_ON checks to catch cases where the index falls in the MGM hash area. . Initialize the list of QPs in a newly-allocated group from AMGM to 0 This is necessary since when a group is moved from AMGM to MGM (in the case where the MGM entry has been emptied of QPs), the AMGM entry is not reset to 0 (and we don't want an extra command to do that). Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-06IB/mthca: fix for RTR-to-RTS transition in modify QPJack Morgenstein
PKEY_INDEX is not a legal parameter in the RTR->RTS transition. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-06IB/mthca: fix for SQEr-to-RTS transition in modify QPJack Morgenstein
Fixes to SQEr->RTS transition in modify_qp: 1. The flag IB_QP_ACCESS_FLAGS is optional for UC qps 2. The SQEr state is not supported for RC qps Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-06IB/mthca: max_inline_data handling tweaksJack Morgenstein
Fix a case where copying max_inline_data from a successful create_qp capabilities output to create_qp input could cause EINVAL error: mthca_set_qp_size must check max_inline_data directly against max_desc_sz; checking qp->sq.max_gs is wrong since max_inline_data depends on the qp type and does not involve max_sg. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-05IB/mthca: create_eq with size not a power of 2Michael S. Tsirkin
Fix mthca_create_eq for when the EQ size is not a power of 2. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-05IB/mthca: check port validity in modify_qpJack Morgenstein
Modify_qp should check that the physical port number provided is a legal value. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-05IB/mthca: check return value in mthca_dev_lim callJack Morgenstein
Check error return on call to mthca_dev_lim for Tavor (as is done for memfree). Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2006-01-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6Linus Torvalds
Trivial manual merge fixup for usb_find_interface clashes.
2006-01-04[PATCH] driver core: replace "hotplug" by "uevent"Kay Sievers
Leave the overloaded "hotplug" word to susbsystems which are handling real devices. The driver core does not "plug" anything, it just exports the state to userspace and generates events. Signed-off-by: Kay Sievers <kay.sievers@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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