diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-01 17:51:38 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-01 17:51:38 (GMT) |
commit | f470f8d4e702593ee1d0852871ad80373bce707b (patch) | |
tree | 85a67e65c5e5b9777639bd8f4c763a4cf8787e0e /drivers/infiniband/hw/cxgb3 | |
parent | dc47d3810cdcb4f32bfa31d50f26af97aced0638 (diff) | |
parent | 504255f8d0480cf293962adf4bc3aecac645ae71 (diff) | |
download | linux-f470f8d4e702593ee1d0852871ad80373bce707b.tar.xz |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (62 commits)
mlx4_core: Deprecate log_num_vlan module param
IB/mlx4: Don't set VLAN in IBoE WQEs' control segment
IB/mlx4: Enable 4K mtu for IBoE
RDMA/cxgb4: Mark QP in error before disabling the queue in firmware
RDMA/cxgb4: Serialize calls to CQ's comp_handler
RDMA/cxgb3: Serialize calls to CQ's comp_handler
IB/qib: Fix issue with link states and QSFP cables
IB/mlx4: Configure extended active speeds
mlx4_core: Add extended port capabilities support
IB/qib: Hold links until tuning data is available
IB/qib: Clean up checkpatch issue
IB/qib: Remove s_lock around header validation
IB/qib: Precompute timeout jiffies to optimize latency
IB/qib: Use RCU for qpn lookup
IB/qib: Eliminate divide/mod in converting idx to egr buf pointer
IB/qib: Decode path MTU optimization
IB/qib: Optimize RC/UC code by IB operation
IPoIB: Use the right function to do DMA unmap pages
RDMA/cxgb4: Use correct QID in insert_recv_cqe()
RDMA/cxgb4: Make sure flush CQ entries are collected on connection close
...
Diffstat (limited to 'drivers/infiniband/hw/cxgb3')
-rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch_cm.c | 10 | ||||
-rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch_ev.c | 6 | ||||
-rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch_provider.c | 1 | ||||
-rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch_provider.h | 1 | ||||
-rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch_qp.c | 14 |
5 files changed, 30 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c index 6cd642a..de6d077 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_cm.c +++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c @@ -753,6 +753,11 @@ static void connect_request_upcall(struct iwch_ep *ep) event.private_data_len = ep->plen; event.private_data = ep->mpa_pkt + sizeof(struct mpa_message); event.provider_data = ep; + /* + * Until ird/ord negotiation via MPAv2 support is added, send max + * supported values + */ + event.ird = event.ord = 8; if (state_read(&ep->parent_ep->com) != DEAD) { get_ep(&ep->com); ep->parent_ep->com.cm_id->event_handler( @@ -770,6 +775,11 @@ static void established_upcall(struct iwch_ep *ep) PDBG("%s ep %p\n", __func__, ep); memset(&event, 0, sizeof(event)); event.event = IW_CM_EVENT_ESTABLISHED; + /* + * Until ird/ord negotiation via MPAv2 support is added, send max + * supported values + */ + event.ird = event.ord = 8; if (ep->com.cm_id) { PDBG("%s ep %p tid %d\n", __func__, ep, ep->hwtid); ep->com.cm_id->event_handler(ep->com.cm_id, &event); diff --git a/drivers/infiniband/hw/cxgb3/iwch_ev.c b/drivers/infiniband/hw/cxgb3/iwch_ev.c index 71e0d84..abcc9e7 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_ev.c +++ b/drivers/infiniband/hw/cxgb3/iwch_ev.c @@ -46,6 +46,7 @@ static void post_qp_event(struct iwch_dev *rnicp, struct iwch_cq *chp, struct ib_event event; struct iwch_qp_attributes attrs; struct iwch_qp *qhp; + unsigned long flag; spin_lock(&rnicp->lock); qhp = get_qhp(rnicp, CQE_QPID(rsp_msg->cqe)); @@ -94,7 +95,9 @@ static void post_qp_event(struct iwch_dev *rnicp, struct iwch_cq *chp, if (qhp->ibqp.event_handler) (*qhp->ibqp.event_handler)(&event, qhp->ibqp.qp_context); + spin_lock_irqsave(&chp->comp_handler_lock, flag); (*chp->ibcq.comp_handler)(&chp->ibcq, chp->ibcq.cq_context); + spin_unlock_irqrestore(&chp->comp_handler_lock, flag); if (atomic_dec_and_test(&qhp->refcnt)) wake_up(&qhp->wait); @@ -107,6 +110,7 @@ void iwch_ev_dispatch(struct cxio_rdev *rdev_p, struct sk_buff *skb) struct iwch_cq *chp; struct iwch_qp *qhp; u32 cqid = RSPQ_CQID(rsp_msg); + unsigned long flag; rnicp = (struct iwch_dev *) rdev_p->ulp; spin_lock(&rnicp->lock); @@ -170,7 +174,9 @@ void iwch_ev_dispatch(struct cxio_rdev *rdev_p, struct sk_buff *skb) */ if (qhp->ep && SQ_TYPE(rsp_msg->cqe)) dst_confirm(qhp->ep->dst); + spin_lock_irqsave(&chp->comp_handler_lock, flag); (*chp->ibcq.comp_handler)(&chp->ibcq, chp->ibcq.cq_context); + spin_unlock_irqrestore(&chp->comp_handler_lock, flag); break; case TPT_ERR_STAG: diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index c7d9411..37c224f 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -190,6 +190,7 @@ static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int ve chp->rhp = rhp; chp->ibcq.cqe = 1 << chp->cq.size_log2; spin_lock_init(&chp->lock); + spin_lock_init(&chp->comp_handler_lock); atomic_set(&chp->refcnt, 1); init_waitqueue_head(&chp->wait); if (insert_handle(rhp, &rhp->cqidr, chp, chp->cq.cqid)) { diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.h b/drivers/infiniband/hw/cxgb3/iwch_provider.h index 9a342c9..87c14b0 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.h +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.h @@ -103,6 +103,7 @@ struct iwch_cq { struct iwch_dev *rhp; struct t3_cq cq; spinlock_t lock; + spinlock_t comp_handler_lock; atomic_t refcnt; wait_queue_head_t wait; u32 __user *user_rptr_addr; diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c index ecd313f..bea5839 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_qp.c +++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c @@ -822,8 +822,11 @@ static void __flush_qp(struct iwch_qp *qhp, struct iwch_cq *rchp, flushed = cxio_flush_rq(&qhp->wq, &rchp->cq, count); spin_unlock(&qhp->lock); spin_unlock_irqrestore(&rchp->lock, *flag); - if (flushed) + if (flushed) { + spin_lock_irqsave(&rchp->comp_handler_lock, *flag); (*rchp->ibcq.comp_handler)(&rchp->ibcq, rchp->ibcq.cq_context); + spin_unlock_irqrestore(&rchp->comp_handler_lock, *flag); + } /* locking hierarchy: cq lock first, then qp lock. */ spin_lock_irqsave(&schp->lock, *flag); @@ -833,8 +836,11 @@ static void __flush_qp(struct iwch_qp *qhp, struct iwch_cq *rchp, flushed = cxio_flush_sq(&qhp->wq, &schp->cq, count); spin_unlock(&qhp->lock); spin_unlock_irqrestore(&schp->lock, *flag); - if (flushed) + if (flushed) { + spin_lock_irqsave(&schp->comp_handler_lock, *flag); (*schp->ibcq.comp_handler)(&schp->ibcq, schp->ibcq.cq_context); + spin_unlock_irqrestore(&schp->comp_handler_lock, *flag); + } /* deref */ if (atomic_dec_and_test(&qhp->refcnt)) @@ -853,11 +859,15 @@ static void flush_qp(struct iwch_qp *qhp, unsigned long *flag) if (qhp->ibqp.uobject) { cxio_set_wq_in_error(&qhp->wq); cxio_set_cq_in_error(&rchp->cq); + spin_lock_irqsave(&rchp->comp_handler_lock, *flag); (*rchp->ibcq.comp_handler)(&rchp->ibcq, rchp->ibcq.cq_context); + spin_unlock_irqrestore(&rchp->comp_handler_lock, *flag); if (schp != rchp) { cxio_set_cq_in_error(&schp->cq); + spin_lock_irqsave(&schp->comp_handler_lock, *flag); (*schp->ibcq.comp_handler)(&schp->ibcq, schp->ibcq.cq_context); + spin_unlock_irqrestore(&schp->comp_handler_lock, *flag); } return; } |