IB/Verbs: Use management helper rdma_cap_ib_cm()

Introduce helper rdma_cap_ib_cm() to help us check if the port of an
IB device support Infiniband Communication Manager.

Signed-off-by: Michael Wang <yun.wang@profitbricks.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Tested-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Sean Hefty <sean.hefty@intel.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Tested-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index cfcc7f45118540c9a25036a916796a6adde9022c..14423c20c55b5a783eec08cfef3fc000e9ad04c2 100644 (file)
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -3780,7 +3780,7 @@ 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 (!rdma_cap_ib_cm(ib_device, i))
                        continue;
 
                port = kzalloc(sizeof *port, GFP_KERNEL);
@@ -3831,7 +3831,7 @@ 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 (!rdma_cap_ib_cm(ib_device, i))
                        continue;
 
                port = cm_dev->port[i-1];
@@ -3863,7 +3863,7 @@ 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 (!rdma_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 da7e55f8097fb6bbbf82ad220626eacec3171890..754a96b6660856e6b28f8c8ae8d856a689a81658 100644 (file)
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -745,7 +745,7 @@ 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->device, id->port_num)) {
+       if (rdma_cap_ib_cm(id->device, 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
@@ -1040,7 +1040,7 @@ 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, 1)) {
+               if (rdma_cap_ib_cm(id_priv->id.device, 1)) {
                        if (id_priv->cm_id.ib)
                                ib_destroy_cm_id(id_priv->cm_id.ib);
                } else if (rdma_protocol_iwarp(id_priv->id.device, 1)) {
@@ -1623,8 +1623,7 @@ static void cma_listen_on_dev(struct rdma_id_private *id_priv,
        struct rdma_cm_id *id;
        int ret;
 
-       if (cma_family(id_priv) == AF_IB &&
-           !rdma_ib_or_iboe(cma_dev->device, 1))
+       if (cma_family(id_priv) == AF_IB && !rdma_cap_ib_cm(cma_dev->device, 1))
                return;
 
        id = rdma_create_id(cma_listen_handler, id_priv, id_priv->id.ps,
@@ -2015,7 +2014,7 @@ static int cma_bind_loopback(struct rdma_id_private *id_priv)
        mutex_lock(&lock);
        list_for_each_entry(cur_dev, &dev_list, list) {
                if (cma_family(id_priv) == AF_IB &&
-                   !rdma_ib_or_iboe(cur_dev->device, 1))
+                   !rdma_cap_ib_cm(cur_dev->device, 1))
                        continue;
 
                if (!cma_dev)
@@ -2524,7 +2523,7 @@ int rdma_listen(struct rdma_cm_id *id, int backlog)
 
        id_priv->backlog = backlog;
        if (id->device) {
-               if (rdma_ib_or_iboe(id->device, 1)) {
+               if (rdma_cap_ib_cm(id->device, 1)) {
                        ret = cma_ib_listen(id_priv);
                        if (ret)
                                goto err;
@@ -2868,7 +2867,7 @@ 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 (rdma_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
@@ -2979,7 +2978,7 @@ 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 (rdma_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,
@@ -3042,7 +3041,7 @@ 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 (rdma_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);
@@ -3069,7 +3068,7 @@ 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 (rdma_cap_ib_cm(id->device, id->port_num)) {
                ret = cma_modify_qp_err(id_priv);
                if (ret)
                        goto out;

diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index 70e0ccb77fcaa20310c64e1f80ac7e1195764f64..62c24b1452b89e2546f2e023a560ee3a21f222e4 100644 (file)
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -1253,7 +1253,7 @@ static void ib_ucm_add_one(struct ib_device *device)
        dev_t base;
        struct ib_ucm_device *ucm_dev;
 
-       if (!device->alloc_ucontext || !rdma_ib_or_iboe(device, 1))
+       if (!device->alloc_ucontext || !rdma_cap_ib_cm(device, 1))
                return;
 
        ucm_dev = kzalloc(sizeof *ucm_dev, GFP_KERNEL);

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index e983e335af21a9392d8685c4d63f93c934de1ab8..e349596fd5007b519780f0464a34b015fa5e961d 100644 (file)
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1804,6 +1804,21 @@ static inline bool rdma_cap_ib_smi(struct ib_device *device, u8 port_num)
        return rdma_protocol_ib(device, port_num);
 }
 
+/**
+ * rdma_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 false when port of the device don't support Infiniband
+ * Communication Manager.
+ */
+static inline bool rdma_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);