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path: root/drivers/infiniband/hw/ehca/ehca_irq.c
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Diffstat (limited to 'drivers/infiniband/hw/ehca/ehca_irq.c')
-rw-r--r--drivers/infiniband/hw/ehca/ehca_irq.c38
1 files changed, 33 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c
index 3f617b27b954..863b34fa9ff9 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.c
+++ b/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -62,6 +62,7 @@
#define NEQE_PORT_NUMBER EHCA_BMASK_IBM( 8, 15)
#define NEQE_PORT_AVAILABILITY EHCA_BMASK_IBM(16, 16)
#define NEQE_DISRUPTIVE EHCA_BMASK_IBM(16, 16)
+#define NEQE_SPECIFIC_EVENT EHCA_BMASK_IBM(16, 23)
#define ERROR_DATA_LENGTH EHCA_BMASK_IBM(52, 63)
#define ERROR_DATA_TYPE EHCA_BMASK_IBM( 0, 7)
@@ -354,17 +355,34 @@ static void parse_ec(struct ehca_shca *shca, u64 eqe)
{
u8 ec = EHCA_BMASK_GET(NEQE_EVENT_CODE, eqe);
u8 port = EHCA_BMASK_GET(NEQE_PORT_NUMBER, eqe);
+ u8 spec_event;
+ struct ehca_sport *sport = &shca->sport[port - 1];
+ unsigned long flags;
switch (ec) {
case 0x30: /* port availability change */
if (EHCA_BMASK_GET(NEQE_PORT_AVAILABILITY, eqe)) {
- shca->sport[port - 1].port_state = IB_PORT_ACTIVE;
+ int suppress_event;
+ /* replay modify_qp for sqps */
+ spin_lock_irqsave(&sport->mod_sqp_lock, flags);
+ suppress_event = !sport->ibqp_sqp[IB_QPT_GSI];
+ if (sport->ibqp_sqp[IB_QPT_SMI])
+ ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_SMI]);
+ if (!suppress_event)
+ ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_GSI]);
+ spin_unlock_irqrestore(&sport->mod_sqp_lock, flags);
+
+ /* AQP1 was destroyed, ignore this event */
+ if (suppress_event)
+ break;
+
+ sport->port_state = IB_PORT_ACTIVE;
dispatch_port_event(shca, port, IB_EVENT_PORT_ACTIVE,
"is active");
ehca_query_sma_attr(shca, port,
- &shca->sport[port - 1].saved_attr);
+ &sport->saved_attr);
} else {
- shca->sport[port - 1].port_state = IB_PORT_DOWN;
+ sport->port_state = IB_PORT_DOWN;
dispatch_port_event(shca, port, IB_EVENT_PORT_ERR,
"is inactive");
}
@@ -378,11 +396,11 @@ static void parse_ec(struct ehca_shca *shca, u64 eqe)
ehca_warn(&shca->ib_device, "disruptive port "
"%d configuration change", port);
- shca->sport[port - 1].port_state = IB_PORT_DOWN;
+ sport->port_state = IB_PORT_DOWN;
dispatch_port_event(shca, port, IB_EVENT_PORT_ERR,
"is inactive");
- shca->sport[port - 1].port_state = IB_PORT_ACTIVE;
+ sport->port_state = IB_PORT_ACTIVE;
dispatch_port_event(shca, port, IB_EVENT_PORT_ACTIVE,
"is active");
} else
@@ -394,6 +412,16 @@ static void parse_ec(struct ehca_shca *shca, u64 eqe)
case 0x33: /* trace stopped */
ehca_err(&shca->ib_device, "Traced stopped.");
break;
+ case 0x34: /* util async event */
+ spec_event = EHCA_BMASK_GET(NEQE_SPECIFIC_EVENT, eqe);
+ if (spec_event == 0x80) /* client reregister required */
+ dispatch_port_event(shca, port,
+ IB_EVENT_CLIENT_REREGISTER,
+ "client reregister req.");
+ else
+ ehca_warn(&shca->ib_device, "Unknown util async "
+ "event %x on port %x", spec_event, port);
+ break;
default:
ehca_err(&shca->ib_device, "Unknown event code: %x on %s.",
ec, shca->ib_device.name);