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Subject[PATCH v5 03/27] IB/Verbs: Reform IB-core mad/agent/user_mad

Use raw management helpers to reform IB-core mad/agent/user_mad.

Cc: Hal Rosenstock <hal@dev.mellanox.co.il>
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/agent.c | 2 +-
drivers/infiniband/core/mad.c | 43 +++++++++++++++++++-------------------
drivers/infiniband/core/user_mad.c | 26 ++++++++++++++++-------
3 files changed, 41 insertions(+), 30 deletions(-)

diff --git a/drivers/infiniband/core/agent.c b/drivers/infiniband/core/agent.c
index f6d2961..ffdef4d 100644
--- a/drivers/infiniband/core/agent.c
+++ b/drivers/infiniband/core/agent.c
@@ -156,7 +156,7 @@ int ib_agent_port_open(struct ib_device *device, int port_num)
goto error1;
}

- if (rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_INFINIBAND) {
+ if (rdma_tech_ib(device, port_num)) {
/* Obtain send only MAD agent for SMI QP */
port_priv->agent[0] = ib_register_mad_agent(device, port_num,
IB_QPT_SMI, NULL, 0,
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 74c30f4..1822932 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -2938,7 +2938,7 @@ static int ib_mad_port_open(struct ib_device *device,
init_mad_qp(port_priv, &port_priv->qp_info[1]);

cq_size = mad_sendq_size + mad_recvq_size;
- has_smi = rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_INFINIBAND;
+ has_smi = rdma_tech_ib(device, port_num);
if (has_smi)
cq_size *= 2;

@@ -3057,9 +3057,6 @@ static void ib_mad_init_device(struct ib_device *device)
{
int start, end, i;

- if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
- return;
-
if (device->node_type == RDMA_NODE_IB_SWITCH) {
start = 0;
end = 0;
@@ -3069,6 +3066,9 @@ static void ib_mad_init_device(struct ib_device *device)
}

for (i = start; i <= end; i++) {
+ if (!rdma_ib_or_iboe(device, i))
+ continue;
+
if (ib_mad_port_open(device, i)) {
dev_err(&device->dev, "Couldn't open port %d\n", i);
goto error;
@@ -3086,40 +3086,39 @@ error_agent:
dev_err(&device->dev, "Couldn't close port %d\n", i);

error:
- i--;
+ while (--i >= start) {
+ if (!rdma_ib_or_iboe(device, i))
+ continue;

- while (i >= start) {
if (ib_agent_port_close(device, i))
dev_err(&device->dev,
"Couldn't close port %d for agents\n", i);
if (ib_mad_port_close(device, i))
dev_err(&device->dev, "Couldn't close port %d\n", i);
- i--;
}
}

static void ib_mad_remove_device(struct ib_device *device)
{
- int i, num_ports, cur_port;
-
- if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
- return;
+ int start, end, i;

if (device->node_type == RDMA_NODE_IB_SWITCH) {
- num_ports = 1;
- cur_port = 0;
+ start = 0;
+ end = 0;
} else {
- num_ports = device->phys_port_cnt;
- cur_port = 1;
+ start = 1;
+ end = device->phys_port_cnt;
}
- for (i = 0; i < num_ports; i++, cur_port++) {
- if (ib_agent_port_close(device, cur_port))
+
+ for (i = start; i <= end; i++) {
+ if (!rdma_ib_or_iboe(device, i))
+ continue;
+
+ if (ib_agent_port_close(device, i))
dev_err(&device->dev,
- "Couldn't close port %d for agents\n",
- cur_port);
- if (ib_mad_port_close(device, cur_port))
- dev_err(&device->dev, "Couldn't close port %d\n",
- cur_port);
+ "Couldn't close port %d for agents\n", i);
+ if (ib_mad_port_close(device, i))
+ dev_err(&device->dev, "Couldn't close port %d\n", i);
}
}

diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index 928cdd2..aa8b334 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -1273,9 +1273,7 @@ static void ib_umad_add_one(struct ib_device *device)
{
struct ib_umad_device *umad_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;
@@ -1296,21 +1294,33 @@ static void ib_umad_add_one(struct ib_device *device)
umad_dev->end_port = e;

for (i = s; i <= e; ++i) {
+ if (!rdma_ib_or_iboe(device, i))
+ continue;
+
umad_dev->port[i - s].umad_dev = umad_dev;

if (ib_umad_init_port(device, i, umad_dev,
&umad_dev->port[i - s]))
goto err;
+
+ count++;
}

+ if (!count)
+ goto free;
+
ib_set_client_data(device, &umad_client, umad_dev);

return;

err:
- while (--i >= s)
- ib_umad_kill_port(&umad_dev->port[i - s]);
+ while (--i >= s) {
+ if (!rdma_ib_or_iboe(device, i))
+ continue;

+ ib_umad_kill_port(&umad_dev->port[i - s]);
+ }
+free:
kobject_put(&umad_dev->kobj);
}

@@ -1322,8 +1332,10 @@ static void ib_umad_remove_one(struct ib_device *device)
if (!umad_dev)
return;

- for (i = 0; i <= umad_dev->end_port - umad_dev->start_port; ++i)
- ib_umad_kill_port(&umad_dev->port[i]);
+ for (i = 0; i <= umad_dev->end_port - umad_dev->start_port; ++i) {
+ if (rdma_ib_or_iboe(device, i))
+ ib_umad_kill_port(&umad_dev->port[i]);
+ }

kobject_put(&umad_dev->kobj);
}
--
2.1.0

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