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Message-ID: <552BB720.1090100@profitbricks.com>
Date: Mon, 13 Apr 2015 14:31:28 +0200
From: Michael Wang <yun.wang@...fitbricks.com>
To: Roland Dreier <roland@...nel.org>,
Sean Hefty <sean.hefty@...el.com>,
Hal Rosenstock <hal.rosenstock@...il.com>,
linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
CC: Tom Tucker <tom@...ngridcomputing.com>,
Steve Wise <swise@...ngridcomputing.com>,
Hoang-Nam Nguyen <hnguyen@...ibm.com>,
Christoph Raisch <raisch@...ibm.com>,
Mike Marciniszyn <infinipath@...el.com>,
Eli Cohen <eli@...lanox.com>,
Faisal Latif <faisal.latif@...el.com>,
Jack Morgenstein <jackm@....mellanox.co.il>,
Or Gerlitz <ogerlitz@...lanox.com>,
Haggai Eran <haggaie@...lanox.com>,
Ira Weiny <ira.weiny@...el.com>, Tom Talpey <tom@...pey.com>,
Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
Doug Ledford <dledford@...hat.com>,
Michael Wang <yun.wang@...fitbricks.com>
Subject: [PATCH v3 18/28] IB/Verbs: Use management helper cap_ib_cm()
Introduce helper cap_ib_cm() to help us check if the port of an
IB device support Infiniband Communication Manager.
Cc: Steve Wise <swise@...ngridcomputing.com>
Cc: Tom Talpey <tom@...pey.com>
Cc: Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Cc: Doug Ledford <dledford@...hat.com>
Cc: Ira Weiny <ira.weiny@...el.com>
Cc: Sean Hefty <sean.hefty@...el.com>
Signed-off-by: Michael Wang <yun.wang@...fitbricks.com>
---
drivers/infiniband/core/cm.c | 6 +++---
drivers/infiniband/core/cma.c | 14 +++++++-------
include/rdma/ib_verbs.h | 15 +++++++++++++++
3 files changed, 25 insertions(+), 10 deletions(-)
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 50321fe..63418ee 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -3781,7 +3781,7 @@ static void cm_add_one(struct ib_device *ib_device)
set_bit(IB_MGMT_METHOD_SEND, reg_req.method_mask);
for (i = 1; i <= ib_device->phys_port_cnt; i++) {
- if (!rdma_ib_or_iboe(ib_device, i))
+ if (!cap_ib_cm(ib_device, i))
continue;
port = kzalloc(sizeof *port, GFP_KERNEL);
@@ -3835,7 +3835,7 @@ error1:
port_modify.set_port_cap_mask = 0;
port_modify.clr_port_cap_mask = IB_PORT_CM_SUP;
while (--i) {
- if (!rdma_ib_or_iboe(ib_device, i))
+ if (!cap_ib_cm(ib_device, i))
continue;
port = cm_dev->port[i-1];
@@ -3866,7 +3866,7 @@ static void cm_remove_one(struct ib_device *ib_device)
write_unlock_irqrestore(&cm.device_lock, flags);
for (i = 1; i <= ib_device->phys_port_cnt; i++) {
- if (!rdma_ib_or_iboe(ib_device, i))
+ if (!cap_ib_cm(ib_device, i))
continue;
port = cm_dev->port[i-1];
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 33d080f..ccd319a 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -767,7 +767,7 @@ int rdma_init_qp_attr(struct rdma_cm_id *id, struct ib_qp_attr *qp_attr,
int ret = 0;
id_priv = container_of(id, struct rdma_id_private, id);
- if (rdma_ib_or_iboe(id_priv->id.device, id_priv->id.port_num)) {
+ if (cap_ib_cm(id_priv->id.device, id_priv->id.port_num)) {
if (!id_priv->cm_id.ib || (id_priv->id.qp_type == IB_QPT_UD))
ret = cma_ib_init_qp_attr(id_priv, qp_attr, qp_attr_mask);
else
@@ -1056,7 +1056,7 @@ void rdma_destroy_id(struct rdma_cm_id *id)
mutex_unlock(&id_priv->handler_mutex);
if (id_priv->cma_dev) {
- if (rdma_ib_or_iboe(id_priv->id.device, id_priv->id.port_num)) {
+ if (cap_ib_cm(id_priv->id.device, id_priv->id.port_num)) {
if (id_priv->cm_id.ib)
ib_destroy_cm_id(id_priv->cm_id.ib);
} else if (rdma_tech_iwarp(id_priv->id.device,
@@ -2541,7 +2541,7 @@ int rdma_listen(struct rdma_cm_id *id, int backlog)
id_priv->backlog = backlog;
if (id->device) {
- if (rdma_ib_or_iboe(id->device, id->port_num)) {
+ if (cap_ib_cm(id->device, id->port_num)) {
ret = cma_ib_listen(id_priv);
if (ret)
goto err;
@@ -2885,7 +2885,7 @@ int rdma_connect(struct rdma_cm_id *id, struct rdma_conn_param *conn_param)
id_priv->srq = conn_param->srq;
}
- if (rdma_ib_or_iboe(id->device, id->port_num)) {
+ if (cap_ib_cm(id->device, id->port_num)) {
if (id->qp_type == IB_QPT_UD)
ret = cma_resolve_ib_udp(id_priv, conn_param);
else
@@ -2996,7 +2996,7 @@ int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param)
id_priv->srq = conn_param->srq;
}
- if (rdma_ib_or_iboe(id->device, id->port_num)) {
+ if (cap_ib_cm(id->device, id->port_num)) {
if (id->qp_type == IB_QPT_UD) {
if (conn_param)
ret = cma_send_sidr_rep(id_priv, IB_SIDR_SUCCESS,
@@ -3059,7 +3059,7 @@ int rdma_reject(struct rdma_cm_id *id, const void *private_data,
if (!id_priv->cm_id.ib)
return -EINVAL;
- if (rdma_ib_or_iboe(id->device, id->port_num)) {
+ if (cap_ib_cm(id->device, id->port_num)) {
if (id->qp_type == IB_QPT_UD)
ret = cma_send_sidr_rep(id_priv, IB_SIDR_REJECT, 0,
private_data, private_data_len);
@@ -3086,7 +3086,7 @@ int rdma_disconnect(struct rdma_cm_id *id)
if (!id_priv->cm_id.ib)
return -EINVAL;
- if (rdma_ib_or_iboe(id->device, id->port_num)) {
+ if (cap_ib_cm(id->device, id->port_num)) {
ret = cma_modify_qp_err(id_priv);
if (ret)
goto out;
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 873b9a6..6805e3e 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1803,6 +1803,21 @@ static inline int cap_ib_smi(struct ib_device *device, u8 port_num)
return rdma_tech_ib(device, port_num);
}
+/**
+ * cap_ib_cm - Check if the port of device has the capability Infiniband
+ * Communication Manager.
+ *
+ * @device: Device to be checked
+ * @port_num: Port number of the device
+ *
+ * Return 0 when port of the device don't support Infiniband
+ * Communication Manager.
+ */
+static inline int cap_ib_cm(struct ib_device *device, u8 port_num)
+{
+ return rdma_ib_or_iboe(device, port_num);
+}
+
int ib_query_gid(struct ib_device *device,
u8 port_num, int index, union ib_gid *gid);
--
2.1.0
--
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