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Subject[PATCH 2/5] ehca: Generate event when SRQ limit reached
Date
From: Joachim Fenkes <fenkes@de.ibm.com>
Date: Thu, 19 Jul 2007 20:51:43 +0200
Subject: [PATCH 2/5] IB/ehca: Generate event when SRQ limit reached

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
---
drivers/infiniband/hw/ehca/ehca_irq.c | 42 ++++++++++++++++++++++-----------
1 files changed, 28 insertions(+), 14 deletions(-)

diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c
index 4fb01fc..71c0799 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.c
+++ b/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -175,9 +175,8 @@ error_data1:

}

-static void qp_event_callback(struct ehca_shca *shca,
- u64 eqe,
- enum ib_event_type event_type)
+static void qp_event_callback(struct ehca_shca *shca, u64 eqe,
+ enum ib_event_type event_type, int fatal)
{
struct ib_event event;
struct ehca_qp *qp;
@@ -191,16 +190,26 @@ static void qp_event_callback(struct ehca_shca *shca,
if (!qp)
return;

- ehca_error_data(shca, qp, qp->ipz_qp_handle.handle);
+ if (fatal)
+ ehca_error_data(shca, qp, qp->ipz_qp_handle.handle);

- if (!qp->ib_qp.event_handler)
- return;
+ event.device = &shca->ib_device;

- event.device = &shca->ib_device;
- event.event = event_type;
- event.element.qp = &qp->ib_qp;
+ if (qp->ext_type == EQPT_SRQ) {
+ if (!qp->ib_srq.event_handler)
+ return;

- qp->ib_qp.event_handler(&event, qp->ib_qp.qp_context);
+ event.event = fatal ? IB_EVENT_SRQ_ERR : event_type;
+ event.element.srq = &qp->ib_srq;
+ qp->ib_srq.event_handler(&event, qp->ib_srq.srq_context);
+ } else {
+ if (!qp->ib_qp.event_handler)
+ return;
+
+ event.event = event_type;
+ event.element.qp = &qp->ib_qp;
+ qp->ib_qp.event_handler(&event, qp->ib_qp.qp_context);
+ }

return;
}
@@ -234,17 +243,17 @@ static void parse_identifier(struct ehca_shca *shca, u64 eqe)

switch (identifier) {
case 0x02: /* path migrated */
- qp_event_callback(shca, eqe, IB_EVENT_PATH_MIG);
+ qp_event_callback(shca, eqe, IB_EVENT_PATH_MIG, 0);
break;
case 0x03: /* communication established */
- qp_event_callback(shca, eqe, IB_EVENT_COMM_EST);
+ qp_event_callback(shca, eqe, IB_EVENT_COMM_EST, 0);
break;
case 0x04: /* send queue drained */
- qp_event_callback(shca, eqe, IB_EVENT_SQ_DRAINED);
+ qp_event_callback(shca, eqe, IB_EVENT_SQ_DRAINED, 0);
break;
case 0x05: /* QP error */
case 0x06: /* QP error */
- qp_event_callback(shca, eqe, IB_EVENT_QP_FATAL);
+ qp_event_callback(shca, eqe, IB_EVENT_QP_FATAL, 1);
break;
case 0x07: /* CQ error */
case 0x08: /* CQ error */
@@ -278,6 +287,11 @@ static void parse_identifier(struct ehca_shca *shca, u64 eqe)
ehca_err(&shca->ib_device, "Interface trace stopped.");
break;
case 0x14: /* first error capture info available */
+ ehca_info(&shca->ib_device, "First error capture available");
+ break;
+ case 0x15: /* SRQ limit reached */
+ qp_event_callback(shca, eqe, IB_EVENT_SRQ_LIMIT_REACHED, 0);
+ break;
default:
ehca_err(&shca->ib_device, "Unknown identifier: %x on %s.",
identifier, shca->ib_device.name);
--
1.5.2

-
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