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Subject[PATCH v3 05/28] IB/Verbs: Reform IB-core sa_query

Use raw management helpers to reform IB-core sa_query.

Cc: Steve Wise <swise@opengridcomputing.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Michael Wang <yun.wang@profitbricks.com>
---
drivers/infiniband/core/sa_query.c | 29 ++++++++++++++++++-----------
1 file changed, 18 insertions(+), 11 deletions(-)

diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index c38f030..803ccf7 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -450,7 +450,7 @@ static void ib_sa_event(struct ib_event_handler *handler, struct ib_event *event
struct ib_sa_port *port =
&sa_dev->port[event->element.port_num - sa_dev->start_port];

- if (rdma_port_get_link_layer(handler->device, port->port_num) != IB_LINK_LAYER_INFINIBAND)
+ if (WARN_ON(!rdma_tech_ib(handler->device, port->port_num)))
return;

spin_lock_irqsave(&port->ah_lock, flags);
@@ -540,7 +540,7 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
ah_attr->port_num = port_num;
ah_attr->static_rate = rec->rate;

- force_grh = rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_ETHERNET;
+ force_grh = rdma_tech_iboe(device, port_num);

if (rec->hop_limit > 1 || force_grh) {
ah_attr->ah_flags = IB_AH_GRH;
@@ -1153,9 +1153,7 @@ static void ib_sa_add_one(struct ib_device *device)
{
struct ib_sa_device *sa_dev;
int s, e, i;
-
- if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
- return;
+ int count = 0;

if (device->node_type == RDMA_NODE_IB_SWITCH)
s = e = 0;
@@ -1175,7 +1173,7 @@ static void ib_sa_add_one(struct ib_device *device)

for (i = 0; i <= e - s; ++i) {
spin_lock_init(&sa_dev->port[i].ah_lock);
- if (rdma_port_get_link_layer(device, i + 1) != IB_LINK_LAYER_INFINIBAND)
+ if (!rdma_tech_ib(device, i + 1))
continue;

sa_dev->port[i].sm_ah = NULL;
@@ -1189,6 +1187,13 @@ static void ib_sa_add_one(struct ib_device *device)
goto err;

INIT_WORK(&sa_dev->port[i].update_task, update_sm_ah);
+
+ count++;
+ }
+
+ if (!count) {
+ kfree(sa_dev);
+ return;
}

ib_set_client_data(device, &sa_client, sa_dev);
@@ -1204,16 +1209,18 @@ static void ib_sa_add_one(struct ib_device *device)
if (ib_register_event_handler(&sa_dev->event_handler))
goto err;

- for (i = 0; i <= e - s; ++i)
- if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND)
+ for (i = 0; i <= e - s; ++i) {
+ if (rdma_tech_ib(device, i + 1))
update_sm_ah(&sa_dev->port[i].update_task);
+ }

return;

err:
- while (--i >= 0)
- if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND)
+ while (--i >= 0) {
+ if (rdma_tech_ib(device, i + 1))
ib_unregister_mad_agent(sa_dev->port[i].agent);
+ }

kfree(sa_dev);

@@ -1233,7 +1240,7 @@ static void ib_sa_remove_one(struct ib_device *device)
flush_workqueue(ib_wq);

for (i = 0; i <= sa_dev->end_port - sa_dev->start_port; ++i) {
- if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND) {
+ if (rdma_tech_ib(device, i + 1)) {
ib_unregister_mad_agent(sa_dev->port[i].agent);
if (sa_dev->port[i].sm_ah)
kref_put(&sa_dev->port[i].sm_ah->ref, free_sm_ah);
--
2.1.0

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