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* Merge ../bleed-2.6Greg KH2005-10-28
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| * [PATCH] gfp_t: drivers/infinibandAl Viro2005-10-28
| | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Driver Core: fix up all callers of class_device_create()Greg Kroah-Hartman2005-10-28
|/ | | | | | | | The previous patch adding the ability to nest struct class_device changed the paramaters to the call class_device_create(). This patch fixes up all in-kernel users of the function. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] ib: mthca: Always re-arm EQs in mthca_tavor_interrupt()Roland Dreier2005-10-23
| | | | | | | | | | | | We should always re-arm an event queue's interrupt in mthca_tavor_interrupt() if the corresponding bit is set in the event cause register (ECR), even if we didn't find any entries in the EQ. If we don't, then there's a window where we miss an EQ entry and then get stuck because we don't get another EQ event. Signed-off-by: Roland Dreier <rolandd@cisco.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] gfp flags annotations - part 1Al Viro2005-10-08
| | | | | | | | | | | | - added typedef unsigned int __nocast gfp_t; - replaced __nocast uses for gfp flags with gfp_t - it gives exactly the same warnings as far as sparse is concerned, doesn't change generated code (from gcc point of view we replaced unsigned int with typedef) and documents what's going on far better. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [IB] mthca: Fix memory leak on device closeMichael S. Tsirkin2005-09-30
| | | | | | | Remember to free the multicast group context memory table. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [IPoIB] Rename IPoIB's path_lookup() to avoid name clashesRoland Dreier2005-09-28
| | | | | | | | | | Rename IPoIB driver's path_lookup() to ipoib_path_lookup() to avoid a clashes with the kernel global path_lookup(). We don't hit this with the current kernel source, but some external patches seem to trigger this, and it's cleaner to avoid clashing with global names anyway. Signed-off-by: Roland Dreier <rolandd@cisco.com> refs/heads/for-linus
* [IB] mthca: fix hw_ver value returned from mthca_query_deviceJack Morgenstein2005-09-27
| | | | | | | The IB spec defines the field to be 32 bits, not 16 bits. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [IB] mthca: Round up number of slots in HCA context memory tableMichael S. Tsirkin2005-09-27
| | | | | | | | | | When allocating a table for mem-free HCA context, don't assume that obj_size * nobj is an even multiple of MTHCA_TABLE_CHUNK_SIZE. In particular, make sure we allocate at least one slot even if the table is smaller than MTHCA_TABLE_CHUNK_SIZE. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [IB] uverbs: Close some exploitable racesRoland Dreier2005-09-26
| | | | | | | | | | | | | Al Viro pointed out that the current IB userspace verbs interface allows userspace to cause mischief by closing file descriptors before we're ready, or issuing the same command twice at the same time. This patch closes those races, and fixes other obvious problems such as a module reference leak. Some other interface bogosities will require an ABI change to fix properly, so I'm deferring those fixes until 2.6.15. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [IB] mthca: Fix off by one bug in mthca_map_cmdMichael S. Tsirkin2005-09-26
| | | | | | | | The loop in mthca_map_cmd() would fill one entry past the end of the mailbox buffer before calling the firmware command. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [IB] mthca: fix off by one in clr_int calculationMichael S. Tsirkin2005-09-26
| | | | | | | | We should use the first word of the clear interrupt register if the bit we're after is < 32, not < 31. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [IB] mthca: Fix doorbell record resource leakRoland Dreier2005-09-26
| | | | | | | | | | | If we allocate a bunch of doorbell records and then free them, we'll end up with completely empty pages, which we then free. However, when we come back to allocate more doorbell pages, we have to reallocate those empty pages rather than always trying to take a slot that we've never used. If we don't, we eventually use up every slot and fail to allocate a doorbell record, even though we have plenty of free space. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [IB] Fix RMPP receive length calculationHal Rosenstock2005-09-21
| | | | | | | Based on simplification idea from Sean Hefty <sean.hefty@intel.com> Signed-off-by: Hal Rosenstock <halr@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [IB] Add MAD data field size definitionsSean Hefty2005-09-21
| | | | | | | Clean up code by using enums instead of hard-coded magic numbers. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB/mthca: Fix device removal memory leakMichael S. Tsirkin2005-09-20
| | | | | | | Clean up QP table array on device removal. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IPoIB: Don't flush workqueue from within workqueueRoland Dreier2005-09-20
| | | | | | | | | | | ipoib_mcast_restart_task() is always called from within the single-threaded IPoIB workqueue, so flushing the workqueue from within the function can lead to a recursion overflow. But since we're running in a single-threaded workqueue, we're already synchronized against other items in the workqueue, so just get rid of the flush in ipoib_mcast_restart_task(). Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB: Fix data length for RMPP SA sendsHal Rosenstock2005-09-19
| | | | | | | | We need to subtract off the header length from our payload length when sending multi-packet SA messages. Signed-off-by: Hal Rosenstock <halr@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB/mthca: Don't try to set srq->last for userspace SRQsRoland Dreier2005-09-19
| | | | | | | | Userspace SRQs don't have a buffer allocated for them in the kernel, so it doesn't make sense to set srq->last during initialization. In fact, this can crash trying to follow a nonexistent buffer pointer. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB/mthca: Fix posting work requests to shared receive queuesRoland Dreier2005-09-19
| | | | | | | | | | The error handling paths in mthca_tavor_post_srq_recv() and mthca_arbel_post_srq_recv() are quite bogus, the result of a screwed up merge. Fix them so they work as intended. Pointed out by Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB/mthca: Initialize eq->nent before we use itRoland Dreier2005-09-19
| | | | | | | | | | | | In mthca_create_eq(), we call get_eqe() before setting eq->nent. This is wrong, because get_eqe() uses eq->nent. Fix this, and clean up the code a little while we're at it. (We got lucky with the current code, because eq->nent was cleared to 0, which get_eqe() made happen to do the right thing) Pointed out by Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IPoIB: Fix SA client retransmission strategyHal Rosenstock2005-09-19
| | | | | | | | | | We got a little mixed up with what the backoff member holds in the IPoIB multicast group structure: sometimes it was used as a number of seconds, and sometimes it was used as a number of jiffies. Fix the code so that backoff is always in seconds. Signed-off-by: Hal Rosenstock <halr@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB/mthca: fix posting of first work requestRoland Dreier2005-09-19
| | | | | | | | | | | Fix posting first WQE for mem-free HCAs: we need to link to previous WQE even in that case. While we're at it, simplify code for Tavor-mode HCAs. We don't really need the conditional test there either; we can similarly always link to the previous WQE. Based on Michael S. Tsirkin's analogous fix for userspace libmthca. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB/mthca: assign ACK timeout field correctlyRoland Dreier2005-09-19
| | | | | | | | | The hardware reads the ACK timeout field from the most significant 5 bits of struct mthca_qp_path's ackto field, not the least significant bits. This fix has the driver put the timeout in the right place. Without this, we get a timeout that is 2^8 times too small. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IPoIB: fix module removal raceMichael S. Tsirkin2005-09-19
| | | | | | | | Since ipoib uses queue_delayed_work to run flush task on port state events, it must flush scheduled work after unregistering the event handler. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband Linus Torvalds2005-09-11
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| * [PATCH] IB: fix CM use-after-freeRoland Dreier2005-09-09
| | | | | | | | | | | | | | | | | | | | | | If the CM REQ handling function gets to error2, then it frees cm_id_priv->timewait_info. But the next line goes through ib_destroy_cm_id() -> ib_send_cm_rej() -> cm_reset_to_idle(), which ends up calling cm_cleanup_timewait(), which dereferences the pointer we just freed. Make sure we clear cm_id_priv->timewait_info after freeing it, so that doesn't happen. Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * [PATCH] IB CM: support CM redirJohn Kingman2005-09-09
| | | | | | | | | | | | | | | | Changes to CM to support CM and port redirection (REJ reason 24). Signed-off-by: John Kingman <kingman <at> storagegear.com> Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * Make sure that userspace does not retrieve stale asynchronous orRoland Dreier2005-09-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | completion events after destroying a CQ, QP or SRQ. We do this by sweeping the event lists before returning from a destroy calls, and then return the number of events already reported before the destroy call. This allows userspace wait until it has processed all events for an object returned from the kernel before it frees its context for the object. The ABI of the destroy CQ, destroy QP and destroy SRQ commands has to change to return the event count, so bump the ABI version from 1 to 2. The userspace libibverbs library has already been updated to handle both the old and new ABI versions. Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * [PATCH] IB: Move SA attributes to ib_sa.hHal Rosenstock2005-09-09
| | | | | | | | | | | | | | | | SA: Move SA attributes to ib_sa.h so are accessible to more than sa_query.c. Also, remove deprecated attributes and add one missing one. Signed-off-by: Hal Rosenstock <halr@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * [PATCH] IB: clean up user access config optionsJames Lentini2005-09-07
| | | | | | | | | | | | | | | | | | Add a new config option INFINIBAND_USER_MAD to control whether we build ib_umad. Change INFINIBAND_USER_VERBS to INFINIBAND_USER_ACCESS, and have it control ib_ucm and ib_uat as well as ib_uverbs. Signed-off-by: James Lentini <jlentini@netapp.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * [PATCH] IB: RMPP fixesHal Rosenstock2005-09-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Fix payload length of middle RMPP sent segments. Middle payload lengths should be 0 on the send side. (This is perhaps a compliance and should not be an interop issue as middle payload lengths are supposed to be ignored on receive). - Fix length in first segment of multipacket sends (This is a compliance issue but does not affect at least OpenIB to OpenIB RMPP transfers). Signed-off-by: Hal Rosenstock <halr@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * [PATCH] IB: Initialize qp->waitMichael S. Tsirkin2005-09-07
| | | | | | | | | | | | | | Add missing call to init_waitqueue_head(). Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * [PATCH] IB: really reset QPsRoland Dreier2005-09-07
| | | | | | | | | | | | | | When we modify a QP to the RESET state, completely clean up the QP so that it is really and truly reset. Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * [PATCH] IB: Add user-supplied context to userspace CM ABISean Hefty2005-09-07
| | | | | | | | | | | | | | | | | | | | | | | | | | - Add user specified context to all uCM events. Users will not retrieve any events associated with the context after destroying the corresponding cm_id. - Provide the ib_cm_init_qp_attr() call to userspace clients of the CM. This call may be used to set QP attributes properly before modifying the QP. - Fixes some error handling synchonization and cleanup issues. - Performs some minor code cleanup. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * [PATCH] IB/sa_query: avoid unnecessary list scanMichael S. Tsirkin2005-09-07
| | | | | | | | | | | | | | | | Using ib_get_client_data in SA event handler performs a list scan. It's better to use container_of to get the sa device directly. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * [PATCH] IPoIB: fix memory leakMichael S. Tsirkin2005-09-07
| | | | | | | | | | | | | | Fix IPoIB memory leak on device removal. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* | [PATCH] PCI: remove CONFIG_PCI_NAMESAdrian Bunk2005-09-08
| | | | | | | | | | | | | | This patch removes CONFIG_PCI_NAMES. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | [PATCH] drivers: convert kcalloc to kzallocPekka Enberg2005-09-07
|/ | | | | | | | This patch converts kcalloc(1, ...) calls to use the new kzalloc() function. Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] IB: move include files to include/rdmaRoland Dreier2005-08-26
| | | | | | | | Move the InfiniBand headers from drivers/infiniband/include to include/rdma. This allows InfiniBand-using code to live elsewhere, and lets us remove the ugly EXTRA_CFLAGS include path from the InfiniBand Makefiles. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IPoIB: Fix device removal raceMichael S. Tsirkin2005-08-26
| | | | | | | | | | | | | Currently we may have work scheduled in default kernel workqueue when the device is going down. The device could get freed before this workqueue gets serviced. I am actually seeing this causing system hangs. The following patch fixes this by using ipoib_workqueue which gets flushed when the device is going down. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB: Add handling for ABORT and STOP RMPP MADs.Sean Hefty2005-08-26
| | | | | | | Add handling for ABORT / STOP RMPP MADs. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB: fix userspace CM deadlockSean Hefty2005-08-26
| | | | | | | | | | Fix deadlock condition resulting from trying to destroy a cm_id from the context of a CM thread. The synchronization around the ucm context structure is simplified as a result, and some simple code cleanup is included. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IPoIB: Set full membership bit in P_KeysRoland Dreier2005-08-26
| | | | | | | | | Always make sure that the full membership bit is set in the P_Keys that IPoIB uses. This makes sure that all hosts join the correct multicast groups so that hosts that are partial partition members can talk to the rest of the network. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB/mthca: Add SRQ implementationRoland Dreier2005-08-26
| | | | | | | Add mthca support for shared receive queues (SRQs), including userspace SRQs. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB/mthca: Handle context tables smaller than our chunk sizeRoland Dreier2005-08-26
| | | | | | | | | | | | When creating a table in context memory where the table is smaller than our chunk size, we don't want to allocate and map a full chunk. Instead, allocate just enough memory to cover the table. This can be pretty simple because all tables are a power-of-2 size, so either the table is a multiple of the chunk size, or it's smaller than one chunk. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB/mthca: Move WQE structures into their own headerRoland Dreier2005-08-26
| | | | | | | | Move the definitions of the WQE structures from mthca_qp.c into mthca_wqe.h, so that we'll be able to share them when we add the SRQ code in mthca_srq.c. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB/mthca: Simplify handling of completions with errorRoland Dreier2005-08-26
| | | | | | | | Mem-free HCAs never generate error CQEs that complete multiple WQEs, so just skip the call to mthca_free_err_wqe() for them rather than having logic to handle the mem-free case in mthca_free_err_wqe(). Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB/mthca: Factor out common queue alloc codeRoland Dreier2005-08-26
| | | | | | | | Clean up the allocation of memory for queues by factoring out the common code into mthca_buf_alloc() and mthca_buf_free(). Now CQs and QPs share the same queue allocation code, which we'll also use for SRQs. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* [PATCH] IB: userspace SRQ supportRoland Dreier2005-08-26
| | | | | | | | | | | | | | | | | | | | Add SRQ support to userspace verbs module. This adds several commands and associated structures, but it's OK to do this without bumping the ABI version because the commands are added at the end of the list so they don't change the existing numbering. There are two cases to worry about: 1. New kernel, old userspace. This is OK because old userspace simply won't try to use the new SRQ commands. None of the old commands are changed. 2. Old kernel, new userspace. This works perfectly as long as userspace doesn't try to use SRQ commands. If userspace tries to use SRQ commands, it will get EINVAL, which is perfectly reasonable: the kernel doesn't support SRQs, so we couldn't do any better. Signed-off-by: Roland Dreier <rolandd@cisco.com>
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