From 10889a36437ffe92c9b81041525ac9661a8f2c92 Mon Sep 17 00:00:00 2001 From: Yong Zhang Date: Thu, 6 Oct 2011 09:33:04 -0700 Subject: IB/ehca: Remove IRQF_DISABLED, since it's a no-op Since commit e58aa3d2d0cc ("genirq: Run irq handlers with interrupts disabled"), we run all interrupt handlers with interrupts disabled and we even check and yell when an interrupt handler returns with interrupts enabled -- cf commit b738a50a2026 ("genirq: Warn when handler enables interrupts"). So now this flag is a no-op and can be removed. Signed-off-by: Yong Zhang Acked-by: Hoang-Nam Nguyen Signed-off-by: Roland Dreier --- drivers/infiniband/hw/ehca/ehca_eq.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/infiniband/hw/ehca') diff --git a/drivers/infiniband/hw/ehca/ehca_eq.c b/drivers/infiniband/hw/ehca/ehca_eq.c index d9b1bb40f48..818d721fc44 100644 --- a/drivers/infiniband/hw/ehca/ehca_eq.c +++ b/drivers/infiniband/hw/ehca/ehca_eq.c @@ -125,7 +125,7 @@ int ehca_create_eq(struct ehca_shca *shca, tasklet_init(&eq->interrupt_task, ehca_tasklet_eq, (long)shca); ret = ibmebus_request_irq(eq->ist, ehca_interrupt_eq, - IRQF_DISABLED, "ehca_eq", + 0, "ehca_eq", (void *)shca); if (ret < 0) ehca_err(ib_dev, "Can't map interrupt handler."); @@ -133,7 +133,7 @@ int ehca_create_eq(struct ehca_shca *shca, tasklet_init(&eq->interrupt_task, ehca_tasklet_neq, (long)shca); ret = ibmebus_request_irq(eq->ist, ehca_interrupt_neq, - IRQF_DISABLED, "ehca_neq", + 0, "ehca_neq", (void *)shca); if (ret < 0) ehca_err(ib_dev, "Can't map interrupt handler."); -- cgit v1.2.3-70-g09d2 From 96104eda01695a26da2c8f7423ec0ba3509c8c97 Mon Sep 17 00:00:00 2001 From: Sean Hefty Date: Mon, 23 May 2011 16:31:36 -0700 Subject: RDMA/core: Add SRQ type field Currently, there is only a single ("basic") type of SRQ, but with XRC support we will add a second. Prepare for this by defining an SRQ type and setting all current users to IB_SRQT_BASIC. Signed-off-by: Sean Hefty Signed-off-by: Roland Dreier --- drivers/infiniband/core/uverbs_cmd.c | 1 + drivers/infiniband/core/verbs.c | 1 + drivers/infiniband/hw/ehca/ehca_qp.c | 3 +++ drivers/infiniband/hw/ipath/ipath_srq.c | 5 +++++ drivers/infiniband/hw/mlx4/srq.c | 3 +++ drivers/infiniband/hw/mthca/mthca_provider.c | 3 +++ drivers/infiniband/hw/qib/qib_srq.c | 5 +++++ drivers/infiniband/ulp/ipoib/ipoib_cm.c | 1 + include/rdma/ib_verbs.h | 6 ++++++ 9 files changed, 28 insertions(+) (limited to 'drivers/infiniband/hw/ehca') diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index c42699285f8..48d21d09afe 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -2013,6 +2013,7 @@ ssize_t ib_uverbs_create_srq(struct ib_uverbs_file *file, attr.event_handler = ib_uverbs_srq_event_handler; attr.srq_context = file; + attr.srq_type = IB_SRQT_BASIC; attr.attr.max_wr = cmd.max_wr; attr.attr.max_sge = cmd.max_sge; attr.attr.srq_limit = cmd.srq_limit; diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 5e03ab78fc8..cbe85ddaf89 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -250,6 +250,7 @@ struct ib_srq *ib_create_srq(struct ib_pd *pd, srq->uobject = NULL; srq->event_handler = srq_init_attr->event_handler; srq->srq_context = srq_init_attr->srq_context; + srq->srq_type = srq_init_attr->srq_type; atomic_inc(&pd->usecnt); atomic_set(&srq->usecnt, 0); } diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c index 32fb34201ab..964f8552079 100644 --- a/drivers/infiniband/hw/ehca/ehca_qp.c +++ b/drivers/infiniband/hw/ehca/ehca_qp.c @@ -977,6 +977,9 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd, struct hcp_modify_qp_control_block *mqpcb; u64 hret, update_mask; + if (srq_init_attr->srq_type != IB_SRQT_BASIC) + return ERR_PTR(-ENOSYS); + /* For common attributes, internal_create_qp() takes its info * out of qp_init_attr, so copy all common attrs there. */ diff --git a/drivers/infiniband/hw/ipath/ipath_srq.c b/drivers/infiniband/hw/ipath/ipath_srq.c index 386e2c717c5..26271984b71 100644 --- a/drivers/infiniband/hw/ipath/ipath_srq.c +++ b/drivers/infiniband/hw/ipath/ipath_srq.c @@ -107,6 +107,11 @@ struct ib_srq *ipath_create_srq(struct ib_pd *ibpd, u32 sz; struct ib_srq *ret; + if (srq_init_attr->srq_type != IB_SRQT_BASIC) { + ret = ERR_PTR(-ENOSYS); + goto done; + } + if (srq_init_attr->attr.max_wr == 0) { ret = ERR_PTR(-EINVAL); goto done; diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c index 818b7ecace5..4f7f7600d27 100644 --- a/drivers/infiniband/hw/mlx4/srq.c +++ b/drivers/infiniband/hw/mlx4/srq.c @@ -81,6 +81,9 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, int err; int i; + if (init_attr->srq_type != IB_SRQT_BASIC) + return ERR_PTR(-ENOSYS); + /* Sanity check SRQ size before proceeding */ if (init_attr->attr.max_wr >= dev->dev->caps.max_srq_wqes || init_attr->attr.max_sge > dev->dev->caps.max_srq_sge) diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index 365fe0e1419..cb9a0b97680 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -438,6 +438,9 @@ static struct ib_srq *mthca_create_srq(struct ib_pd *pd, struct mthca_srq *srq; int err; + if (init_attr->srq_type != IB_SRQT_BASIC) + return ERR_PTR(-ENOSYS); + srq = kmalloc(sizeof *srq, GFP_KERNEL); if (!srq) return ERR_PTR(-ENOMEM); diff --git a/drivers/infiniband/hw/qib/qib_srq.c b/drivers/infiniband/hw/qib/qib_srq.c index c3ec8efc2ed..d6235931a1b 100644 --- a/drivers/infiniband/hw/qib/qib_srq.c +++ b/drivers/infiniband/hw/qib/qib_srq.c @@ -107,6 +107,11 @@ struct ib_srq *qib_create_srq(struct ib_pd *ibpd, u32 sz; struct ib_srq *ret; + if (srq_init_attr->srq_type != IB_SRQT_BASIC) { + ret = ERR_PTR(-ENOSYS); + goto done; + } + if (srq_init_attr->attr.max_sge == 0 || srq_init_attr->attr.max_sge > ib_qib_max_srq_sges || srq_init_attr->attr.max_wr == 0 || diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 39913a065f9..ef003cc54a4 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -1496,6 +1496,7 @@ static void ipoib_cm_create_srq(struct net_device *dev, int max_sge) { struct ipoib_dev_priv *priv = netdev_priv(dev); struct ib_srq_init_attr srq_init_attr = { + .srq_type = IB_SRQT_BASIC, .attr = { .max_wr = ipoib_recvq_size, .max_sge = max_sge diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index d2a5c9b991d..d0c2dc03405 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -523,6 +523,10 @@ enum ib_cq_notify_flags { IB_CQ_REPORT_MISSED_EVENTS = 1 << 2, }; +enum ib_srq_type { + IB_SRQT_BASIC +}; + enum ib_srq_attr_mask { IB_SRQ_MAX_WR = 1 << 0, IB_SRQ_LIMIT = 1 << 1, @@ -538,6 +542,7 @@ struct ib_srq_init_attr { void (*event_handler)(struct ib_event *, void *); void *srq_context; struct ib_srq_attr attr; + enum ib_srq_type srq_type; }; struct ib_qp_cap { @@ -888,6 +893,7 @@ struct ib_srq { struct ib_uobject *uobject; void (*event_handler)(struct ib_event *, void *); void *srq_context; + enum ib_srq_type srq_type; atomic_t usecnt; }; -- cgit v1.2.3-70-g09d2