RDMA/cma: Export enum cma_state in <rdma/rdma_cm.h>

Move cma.c's internal definition of enum cma_state to enum rdma_cm_state
in an exported header so that it can be exported via RDMA netlink.

Signed-off-by: Nir Muchtar <nirm@voltaire.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 99dde87..451d39e 100644 (file)
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -89,20 +89,6 @@ struct cma_device {
        struct list_head        id_list;
 };
 
-enum cma_state {
-       CMA_IDLE,
-       CMA_ADDR_QUERY,
-       CMA_ADDR_RESOLVED,
-       CMA_ROUTE_QUERY,
-       CMA_ROUTE_RESOLVED,
-       CMA_CONNECT,
-       CMA_DISCONNECT,
-       CMA_ADDR_BOUND,
-       CMA_LISTEN,
-       CMA_DEVICE_REMOVAL,
-       CMA_DESTROYING
-};
-
 struct rdma_bind_list {
        struct idr              *ps;
        struct hlist_head       owners;
@@ -126,7 +112,7 @@ struct rdma_id_private {
        struct list_head        mc_list;
 
        int                     internal_id;
-       enum cma_state          state;
+       enum rdma_cm_state      state;
        spinlock_t              lock;
        struct mutex            qp_mutex;
 
@@ -165,8 +151,8 @@ struct cma_multicast {
 struct cma_work {
        struct work_struct      work;
        struct rdma_id_private  *id;
-       enum cma_state          old_state;
-       enum cma_state          new_state;
+       enum rdma_cm_state      old_state;
+       enum rdma_cm_state      new_state;
        struct rdma_cm_event    event;
 };
 
@@ -217,7 +203,7 @@ struct sdp_hah {
 #define CMA_VERSION 0x00
 #define SDP_MAJ_VERSION 0x2
 
-static int cma_comp(struct rdma_id_private *id_priv, enum cma_state comp)
+static int cma_comp(struct rdma_id_private *id_priv, enum rdma_cm_state comp)
 {
        unsigned long flags;
        int ret;
@@ -229,7 +215,7 @@ static int cma_comp(struct rdma_id_private *id_priv, enum cma_state comp)
 }
 
 static int cma_comp_exch(struct rdma_id_private *id_priv,
-                        enum cma_state comp, enum cma_state exch)
+                        enum rdma_cm_state comp, enum rdma_cm_state exch)
 {
        unsigned long flags;
        int ret;
@@ -241,11 +227,11 @@ static int cma_comp_exch(struct rdma_id_private *id_priv,
        return ret;
 }
 
-static enum cma_state cma_exch(struct rdma_id_private *id_priv,
-                              enum cma_state exch)
+static enum rdma_cm_state cma_exch(struct rdma_id_private *id_priv,
+                                  enum rdma_cm_state exch)
 {
        unsigned long flags;
-       enum cma_state old;
+       enum rdma_cm_state old;
 
        spin_lock_irqsave(&id_priv->lock, flags);
        old = id_priv->state;
@@ -413,7 +399,7 @@ static void cma_deref_id(struct rdma_id_private *id_priv)
 }
 
 static int cma_disable_callback(struct rdma_id_private *id_priv,
-                             enum cma_state state)
+                               enum rdma_cm_state state)
 {
        mutex_lock(&id_priv->handler_mutex);
        if (id_priv->state != state) {
@@ -437,7 +423,7 @@ struct rdma_cm_id *rdma_create_id(rdma_cm_event_handler event_handler,
        if (!id_priv)
                return ERR_PTR(-ENOMEM);
 
-       id_priv->state = CMA_IDLE;
+       id_priv->state = RDMA_CM_IDLE;
        id_priv->id.context = context;
        id_priv->id.event_handler = event_handler;
        id_priv->id.ps = ps;
@@ -858,16 +844,16 @@ static void cma_cancel_listens(struct rdma_id_private *id_priv)
 }
 
 static void cma_cancel_operation(struct rdma_id_private *id_priv,
-                                enum cma_state state)
+                                enum rdma_cm_state state)
 {
        switch (state) {
-       case CMA_ADDR_QUERY:
+       case RDMA_CM_ADDR_QUERY:
                rdma_addr_cancel(&id_priv->id.route.addr.dev_addr);
                break;
-       case CMA_ROUTE_QUERY:
+       case RDMA_CM_ROUTE_QUERY:
                cma_cancel_route(id_priv);
                break;
-       case CMA_LISTEN:
+       case RDMA_CM_LISTEN:
                if (cma_any_addr((struct sockaddr *) &id_priv->id.route.addr.src_addr)
                                && !id_priv->cma_dev)
                        cma_cancel_listens(id_priv);
@@ -918,10 +904,10 @@ static void cma_leave_mc_groups(struct rdma_id_private *id_priv)
 void rdma_destroy_id(struct rdma_cm_id *id)
 {
        struct rdma_id_private *id_priv;
-       enum cma_state state;
+       enum rdma_cm_state state;
 
        id_priv = container_of(id, struct rdma_id_private, id);
-       state = cma_exch(id_priv, CMA_DESTROYING);
+       state = cma_exch(id_priv, RDMA_CM_DESTROYING);
        cma_cancel_operation(id_priv, state);
 
        /*
@@ -1015,9 +1001,9 @@ static int cma_ib_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
        int ret = 0;
 
        if ((ib_event->event != IB_CM_TIMEWAIT_EXIT &&
-               cma_disable_callback(id_priv, CMA_CONNECT)) ||
+               cma_disable_callback(id_priv, RDMA_CM_CONNECT)) ||
            (ib_event->event == IB_CM_TIMEWAIT_EXIT &&
-               cma_disable_callback(id_priv, CMA_DISCONNECT)))
+               cma_disable_callback(id_priv, RDMA_CM_DISCONNECT)))
                return 0;
 
        memset(&event, 0, sizeof event);
@@ -1048,7 +1034,8 @@ static int cma_ib_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
                event.status = -ETIMEDOUT; /* fall through */
        case IB_CM_DREQ_RECEIVED:
        case IB_CM_DREP_RECEIVED:
-               if (!cma_comp_exch(id_priv, CMA_CONNECT, CMA_DISCONNECT))
+               if (!cma_comp_exch(id_priv, RDMA_CM_CONNECT,
+                                  RDMA_CM_DISCONNECT))
                        goto out;
                event.event = RDMA_CM_EVENT_DISCONNECTED;
                break;
@@ -1075,7 +1062,7 @@ static int cma_ib_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
        if (ret) {
                /* Destroy the CM ID by returning a non-zero value. */
                id_priv->cm_id.ib = NULL;
-               cma_exch(id_priv, CMA_DESTROYING);
+               cma_exch(id_priv, RDMA_CM_DESTROYING);
                mutex_unlock(&id_priv->handler_mutex);
                rdma_destroy_id(&id_priv->id);
                return ret;
@@ -1132,7 +1119,7 @@ static struct rdma_id_private *cma_new_conn_id(struct rdma_cm_id *listen_id,
        rdma_addr_set_dgid(&rt->addr.dev_addr, &rt->path_rec[0].dgid);
 
        id_priv = container_of(id, struct rdma_id_private, id);
-       id_priv->state = CMA_CONNECT;
+       id_priv->state = RDMA_CM_CONNECT;
        return id_priv;
 
 destroy_id:
@@ -1172,7 +1159,7 @@ static struct rdma_id_private *cma_new_udp_id(struct rdma_cm_id *listen_id,
        }
 
        id_priv = container_of(id, struct rdma_id_private, id);
-       id_priv->state = CMA_CONNECT;
+       id_priv->state = RDMA_CM_CONNECT;
        return id_priv;
 err:
        rdma_destroy_id(id);
@@ -1201,7 +1188,7 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
        int offset, ret;
 
        listen_id = cm_id->context;
-       if (cma_disable_callback(listen_id, CMA_LISTEN))
+       if (cma_disable_callback(listen_id, RDMA_CM_LISTEN))
                return -ECONNABORTED;
 
        memset(&event, 0, sizeof event);
@@ -1243,7 +1230,7 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
                 * while we're accessing the cm_id.
                 */
                mutex_lock(&lock);
-               if (cma_comp(conn_id, CMA_CONNECT) &&
+               if (cma_comp(conn_id, RDMA_CM_CONNECT) &&
                    !cma_is_ud_ps(conn_id->id.ps))
                        ib_send_cm_mra(cm_id, CMA_CM_MRA_SETTING, NULL, 0);
                mutex_unlock(&lock);
@@ -1257,7 +1244,7 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
        conn_id->cm_id.ib = NULL;
 
 release_conn_id:
-       cma_exch(conn_id, CMA_DESTROYING);
+       cma_exch(conn_id, RDMA_CM_DESTROYING);
        mutex_unlock(&conn_id->handler_mutex);
        rdma_destroy_id(&conn_id->id);
 
@@ -1328,7 +1315,7 @@ static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event)
        struct sockaddr_in *sin;
        int ret = 0;
 
-       if (cma_disable_callback(id_priv, CMA_CONNECT))
+       if (cma_disable_callback(id_priv, RDMA_CM_CONNECT))
                return 0;
 
        memset(&event, 0, sizeof event);
@@ -1371,7 +1358,7 @@ static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event)
        if (ret) {
                /* Destroy the CM ID by returning a non-zero value. */
                id_priv->cm_id.iw = NULL;
-               cma_exch(id_priv, CMA_DESTROYING);
+               cma_exch(id_priv, RDMA_CM_DESTROYING);
                mutex_unlock(&id_priv->handler_mutex);
                rdma_destroy_id(&id_priv->id);
                return ret;
@@ -1393,7 +1380,7 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
        struct ib_device_attr attr;
 
        listen_id = cm_id->context;
-       if (cma_disable_callback(listen_id, CMA_LISTEN))
+       if (cma_disable_callback(listen_id, RDMA_CM_LISTEN))
                return -ECONNABORTED;
 
        /* Create a new RDMA id for the new IW CM ID */
@@ -1406,7 +1393,7 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
        }
        conn_id = container_of(new_cm_id, struct rdma_id_private, id);
        mutex_lock_nested(&conn_id->handler_mutex, SINGLE_DEPTH_NESTING);
-       conn_id->state = CMA_CONNECT;
+       conn_id->state = RDMA_CM_CONNECT;
 
        dev = ip_dev_find(&init_net, iw_event->local_addr.sin_addr.s_addr);
        if (!dev) {
@@ -1461,7 +1448,7 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
        if (ret) {
                /* User wants to destroy the CM ID */
                conn_id->cm_id.iw = NULL;
-               cma_exch(conn_id, CMA_DESTROYING);
+               cma_exch(conn_id, RDMA_CM_DESTROYING);
                mutex_unlock(&conn_id->handler_mutex);
                cma_deref_id(conn_id);
                rdma_destroy_id(&conn_id->id);
@@ -1554,7 +1541,7 @@ static void cma_listen_on_dev(struct rdma_id_private *id_priv,
 
        dev_id_priv = container_of(id, struct rdma_id_private, id);
 
-       dev_id_priv->state = CMA_ADDR_BOUND;
+       dev_id_priv->state = RDMA_CM_ADDR_BOUND;
        memcpy(&id->route.addr.src_addr, &id_priv->id.route.addr.src_addr,
               ip_addr_size((struct sockaddr *) &id_priv->id.route.addr.src_addr));
 
@@ -1601,8 +1588,8 @@ static void cma_query_handler(int status, struct ib_sa_path_rec *path_rec,
                route->num_paths = 1;
                *route->path_rec = *path_rec;
        } else {
-               work->old_state = CMA_ROUTE_QUERY;
-               work->new_state = CMA_ADDR_RESOLVED;
+               work->old_state = RDMA_CM_ROUTE_QUERY;
+               work->new_state = RDMA_CM_ADDR_RESOLVED;
                work->event.event = RDMA_CM_EVENT_ROUTE_ERROR;
                work->event.status = status;
        }
@@ -1660,7 +1647,7 @@ static void cma_work_handler(struct work_struct *_work)
                goto out;
 
        if (id_priv->id.event_handler(&id_priv->id, &work->event)) {
-               cma_exch(id_priv, CMA_DESTROYING);
+               cma_exch(id_priv, RDMA_CM_DESTROYING);
                destroy = 1;
        }
 out:
@@ -1678,12 +1665,12 @@ static void cma_ndev_work_handler(struct work_struct *_work)
        int destroy = 0;
 
        mutex_lock(&id_priv->handler_mutex);
-       if (id_priv->state == CMA_DESTROYING ||
-           id_priv->state == CMA_DEVICE_REMOVAL)
+       if (id_priv->state == RDMA_CM_DESTROYING ||
+           id_priv->state == RDMA_CM_DEVICE_REMOVAL)
                goto out;
 
        if (id_priv->id.event_handler(&id_priv->id, &work->event)) {
-               cma_exch(id_priv, CMA_DESTROYING);
+               cma_exch(id_priv, RDMA_CM_DESTROYING);
                destroy = 1;
        }
 
@@ -1707,8 +1694,8 @@ static int cma_resolve_ib_route(struct rdma_id_private *id_priv, int timeout_ms)
 
        work->id = id_priv;
        INIT_WORK(&work->work, cma_work_handler);
-       work->old_state = CMA_ROUTE_QUERY;
-       work->new_state = CMA_ROUTE_RESOLVED;
+       work->old_state = RDMA_CM_ROUTE_QUERY;
+       work->new_state = RDMA_CM_ROUTE_RESOLVED;
        work->event.event = RDMA_CM_EVENT_ROUTE_RESOLVED;
 
        route->path_rec = kmalloc(sizeof *route->path_rec, GFP_KERNEL);
@@ -1737,7 +1724,8 @@ int rdma_set_ib_paths(struct rdma_cm_id *id,
        int ret;
 
        id_priv = container_of(id, struct rdma_id_private, id);
-       if (!cma_comp_exch(id_priv, CMA_ADDR_RESOLVED, CMA_ROUTE_RESOLVED))
+       if (!cma_comp_exch(id_priv, RDMA_CM_ADDR_RESOLVED,
+                          RDMA_CM_ROUTE_RESOLVED))
                return -EINVAL;
 
        id->route.path_rec = kmemdup(path_rec, sizeof *path_rec * num_paths,
@@ -1750,7 +1738,7 @@ int rdma_set_ib_paths(struct rdma_cm_id *id,
        id->route.num_paths = num_paths;
        return 0;
 err:
-       cma_comp_exch(id_priv, CMA_ROUTE_RESOLVED, CMA_ADDR_RESOLVED);
+       cma_comp_exch(id_priv, RDMA_CM_ROUTE_RESOLVED, RDMA_CM_ADDR_RESOLVED);
        return ret;
 }
 EXPORT_SYMBOL(rdma_set_ib_paths);
@@ -1765,8 +1753,8 @@ static int cma_resolve_iw_route(struct rdma_id_private *id_priv, int timeout_ms)
 
        work->id = id_priv;
        INIT_WORK(&work->work, cma_work_handler);
-       work->old_state = CMA_ROUTE_QUERY;
-       work->new_state = CMA_ROUTE_RESOLVED;
+       work->old_state = RDMA_CM_ROUTE_QUERY;
+       work->new_state = RDMA_CM_ROUTE_RESOLVED;
        work->event.event = RDMA_CM_EVENT_ROUTE_RESOLVED;
        queue_work(cma_wq, &work->work);
        return 0;
@@ -1830,8 +1818,8 @@ static int cma_resolve_iboe_route(struct rdma_id_private *id_priv)
                goto err2;
        }
 
-       work->old_state = CMA_ROUTE_QUERY;
-       work->new_state = CMA_ROUTE_RESOLVED;
+       work->old_state = RDMA_CM_ROUTE_QUERY;
+       work->new_state = RDMA_CM_ROUTE_RESOLVED;
        work->event.event = RDMA_CM_EVENT_ROUTE_RESOLVED;
        work->event.status = 0;
 
@@ -1853,7 +1841,7 @@ int rdma_resolve_route(struct rdma_cm_id *id, int timeout_ms)
        int ret;
 
        id_priv = container_of(id, struct rdma_id_private, id);
-       if (!cma_comp_exch(id_priv, CMA_ADDR_RESOLVED, CMA_ROUTE_QUERY))
+       if (!cma_comp_exch(id_priv, RDMA_CM_ADDR_RESOLVED, RDMA_CM_ROUTE_QUERY))
                return -EINVAL;
 
        atomic_inc(&id_priv->refcount);
@@ -1882,7 +1870,7 @@ int rdma_resolve_route(struct rdma_cm_id *id, int timeout_ms)
 
        return 0;
 err:
-       cma_comp_exch(id_priv, CMA_ROUTE_QUERY, CMA_ADDR_RESOLVED);
+       cma_comp_exch(id_priv, RDMA_CM_ROUTE_QUERY, RDMA_CM_ADDR_RESOLVED);
        cma_deref_id(id_priv);
        return ret;
 }
@@ -1941,14 +1929,16 @@ static void addr_handler(int status, struct sockaddr *src_addr,
 
        memset(&event, 0, sizeof event);
        mutex_lock(&id_priv->handler_mutex);
-       if (!cma_comp_exch(id_priv, CMA_ADDR_QUERY, CMA_ADDR_RESOLVED))
+       if (!cma_comp_exch(id_priv, RDMA_CM_ADDR_QUERY,
+                          RDMA_CM_ADDR_RESOLVED))
                goto out;
 
        if (!status && !id_priv->cma_dev)
                status = cma_acquire_dev(id_priv);
 
        if (status) {
-               if (!cma_comp_exch(id_priv, CMA_ADDR_RESOLVED, CMA_ADDR_BOUND))
+               if (!cma_comp_exch(id_priv, RDMA_CM_ADDR_RESOLVED,
+                                  RDMA_CM_ADDR_BOUND))
                        goto out;
                event.event = RDMA_CM_EVENT_ADDR_ERROR;
                event.status = status;
@@ -1959,7 +1949,7 @@ static void addr_handler(int status, struct sockaddr *src_addr,
        }
 
        if (id_priv->id.event_handler(&id_priv->id, &event)) {
-               cma_exch(id_priv, CMA_DESTROYING);
+               cma_exch(id_priv, RDMA_CM_DESTROYING);
                mutex_unlock(&id_priv->handler_mutex);
                cma_deref_id(id_priv);
                rdma_destroy_id(&id_priv->id);
@@ -2004,8 +1994,8 @@ static int cma_resolve_loopback(struct rdma_id_private *id_priv)
 
        work->id = id_priv;
        INIT_WORK(&work->work, cma_work_handler);
-       work->old_state = CMA_ADDR_QUERY;
-       work->new_state = CMA_ADDR_RESOLVED;
+       work->old_state = RDMA_CM_ADDR_QUERY;
+       work->new_state = RDMA_CM_ADDR_RESOLVED;
        work->event.event = RDMA_CM_EVENT_ADDR_RESOLVED;
        queue_work(cma_wq, &work->work);
        return 0;
@@ -2034,13 +2024,13 @@ int rdma_resolve_addr(struct rdma_cm_id *id, struct sockaddr *src_addr,
        int ret;
 
        id_priv = container_of(id, struct rdma_id_private, id);
-       if (id_priv->state == CMA_IDLE) {
+       if (id_priv->state == RDMA_CM_IDLE) {
                ret = cma_bind_addr(id, src_addr, dst_addr);
                if (ret)
                        return ret;
        }
 
-       if (!cma_comp_exch(id_priv, CMA_ADDR_BOUND, CMA_ADDR_QUERY))
+       if (!cma_comp_exch(id_priv, RDMA_CM_ADDR_BOUND, RDMA_CM_ADDR_QUERY))
                return -EINVAL;
 
        atomic_inc(&id_priv->refcount);
@@ -2056,7 +2046,7 @@ int rdma_resolve_addr(struct rdma_cm_id *id, struct sockaddr *src_addr,
 
        return 0;
 err:
-       cma_comp_exch(id_priv, CMA_ADDR_QUERY, CMA_ADDR_BOUND);
+       cma_comp_exch(id_priv, RDMA_CM_ADDR_QUERY, RDMA_CM_ADDR_BOUND);
        cma_deref_id(id_priv);
        return ret;
 }
@@ -2070,7 +2060,7 @@ int rdma_set_reuseaddr(struct rdma_cm_id *id, int reuse)
 
        id_priv = container_of(id, struct rdma_id_private, id);
        spin_lock_irqsave(&id_priv->lock, flags);
-       if (id_priv->state == CMA_IDLE) {
+       if (id_priv->state == RDMA_CM_IDLE) {
                id_priv->reuseaddr = reuse;
                ret = 0;
        } else {
@@ -2177,7 +2167,7 @@ static int cma_check_port(struct rdma_bind_list *bind_list,
                if (id_priv == cur_id)
                        continue;
 
-               if ((cur_id->state == CMA_LISTEN) ||
+               if ((cur_id->state == RDMA_CM_LISTEN) ||
                    !reuseaddr || !cur_id->reuseaddr) {
                        cur_addr = (struct sockaddr *) &cur_id->id.route.addr.src_addr;
                        if (cma_any_addr(cur_addr))
@@ -2280,14 +2270,14 @@ int rdma_listen(struct rdma_cm_id *id, int backlog)
        int ret;
 
        id_priv = container_of(id, struct rdma_id_private, id);
-       if (id_priv->state == CMA_IDLE) {
+       if (id_priv->state == RDMA_CM_IDLE) {
                ((struct sockaddr *) &id->route.addr.src_addr)->sa_family = AF_INET;
                ret = rdma_bind_addr(id, (struct sockaddr *) &id->route.addr.src_addr);
                if (ret)
                        return ret;
        }
 
-       if (!cma_comp_exch(id_priv, CMA_ADDR_BOUND, CMA_LISTEN))
+       if (!cma_comp_exch(id_priv, RDMA_CM_ADDR_BOUND, RDMA_CM_LISTEN))
                return -EINVAL;
 
        if (id_priv->reuseaddr) {
@@ -2319,7 +2309,7 @@ int rdma_listen(struct rdma_cm_id *id, int backlog)
        return 0;
 err:
        id_priv->backlog = 0;
-       cma_comp_exch(id_priv, CMA_LISTEN, CMA_ADDR_BOUND);
+       cma_comp_exch(id_priv, RDMA_CM_LISTEN, RDMA_CM_ADDR_BOUND);
        return ret;
 }
 EXPORT_SYMBOL(rdma_listen);
@@ -2333,7 +2323,7 @@ int rdma_bind_addr(struct rdma_cm_id *id, struct sockaddr *addr)
                return -EAFNOSUPPORT;
 
        id_priv = container_of(id, struct rdma_id_private, id);
-       if (!cma_comp_exch(id_priv, CMA_IDLE, CMA_ADDR_BOUND))
+       if (!cma_comp_exch(id_priv, RDMA_CM_IDLE, RDMA_CM_ADDR_BOUND))
                return -EINVAL;
 
        ret = cma_check_linklocal(&id->route.addr.dev_addr, addr);
@@ -2360,7 +2350,7 @@ err2:
        if (id_priv->cma_dev)
                cma_release_dev(id_priv);
 err1:
-       cma_comp_exch(id_priv, CMA_ADDR_BOUND, CMA_IDLE);
+       cma_comp_exch(id_priv, RDMA_CM_ADDR_BOUND, RDMA_CM_IDLE);
        return ret;
 }
 EXPORT_SYMBOL(rdma_bind_addr);
@@ -2433,7 +2423,7 @@ static int cma_sidr_rep_handler(struct ib_cm_id *cm_id,
        struct ib_cm_sidr_rep_event_param *rep = &ib_event->param.sidr_rep_rcvd;
        int ret = 0;
 
-       if (cma_disable_callback(id_priv, CMA_CONNECT))
+       if (cma_disable_callback(id_priv, RDMA_CM_CONNECT))
                return 0;
 
        memset(&event, 0, sizeof event);
@@ -2479,7 +2469,7 @@ static int cma_sidr_rep_handler(struct ib_cm_id *cm_id,
        if (ret) {
                /* Destroy the CM ID by returning a non-zero value. */
                id_priv->cm_id.ib = NULL;
-               cma_exch(id_priv, CMA_DESTROYING);
+               cma_exch(id_priv, RDMA_CM_DESTROYING);
                mutex_unlock(&id_priv->handler_mutex);
                rdma_destroy_id(&id_priv->id);
                return ret;
@@ -2645,7 +2635,7 @@ int rdma_connect(struct rdma_cm_id *id, struct rdma_conn_param *conn_param)
        int ret;
 
        id_priv = container_of(id, struct rdma_id_private, id);
-       if (!cma_comp_exch(id_priv, CMA_ROUTE_RESOLVED, CMA_CONNECT))
+       if (!cma_comp_exch(id_priv, RDMA_CM_ROUTE_RESOLVED, RDMA_CM_CONNECT))
                return -EINVAL;
 
        if (!id->qp) {
@@ -2672,7 +2662,7 @@ int rdma_connect(struct rdma_cm_id *id, struct rdma_conn_param *conn_param)
 
        return 0;
 err:
-       cma_comp_exch(id_priv, CMA_CONNECT, CMA_ROUTE_RESOLVED);
+       cma_comp_exch(id_priv, RDMA_CM_CONNECT, RDMA_CM_ROUTE_RESOLVED);
        return ret;
 }
 EXPORT_SYMBOL(rdma_connect);
@@ -2758,7 +2748,7 @@ int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param)
        int ret;
 
        id_priv = container_of(id, struct rdma_id_private, id);
-       if (!cma_comp(id_priv, CMA_CONNECT))
+       if (!cma_comp(id_priv, RDMA_CM_CONNECT))
                return -EINVAL;
 
        if (!id->qp && conn_param) {
@@ -2887,8 +2877,8 @@ static int cma_ib_mc_handler(int status, struct ib_sa_multicast *multicast)
        int ret;
 
        id_priv = mc->id_priv;
-       if (cma_disable_callback(id_priv, CMA_ADDR_BOUND) &&
-           cma_disable_callback(id_priv, CMA_ADDR_RESOLVED))
+       if (cma_disable_callback(id_priv, RDMA_CM_ADDR_BOUND) &&
+           cma_disable_callback(id_priv, RDMA_CM_ADDR_RESOLVED))
                return 0;
 
        mutex_lock(&id_priv->qp_mutex);
@@ -2912,7 +2902,7 @@ static int cma_ib_mc_handler(int status, struct ib_sa_multicast *multicast)
 
        ret = id_priv->id.event_handler(&id_priv->id, &event);
        if (ret) {
-               cma_exch(id_priv, CMA_DESTROYING);
+               cma_exch(id_priv, RDMA_CM_DESTROYING);
                mutex_unlock(&id_priv->handler_mutex);
                rdma_destroy_id(&id_priv->id);
                return 0;
@@ -3095,8 +3085,8 @@ int rdma_join_multicast(struct rdma_cm_id *id, struct sockaddr *addr,
        int ret;
 
        id_priv = container_of(id, struct rdma_id_private, id);
-       if (!cma_comp(id_priv, CMA_ADDR_BOUND) &&
-           !cma_comp(id_priv, CMA_ADDR_RESOLVED))
+       if (!cma_comp(id_priv, RDMA_CM_ADDR_BOUND) &&
+           !cma_comp(id_priv, RDMA_CM_ADDR_RESOLVED))
                return -EINVAL;
 
        mc = kmalloc(sizeof *mc, GFP_KERNEL);
@@ -3261,19 +3251,19 @@ static void cma_add_one(struct ib_device *device)
 static int cma_remove_id_dev(struct rdma_id_private *id_priv)
 {
        struct rdma_cm_event event;
-       enum cma_state state;
+       enum rdma_cm_state state;
        int ret = 0;
 
        /* Record that we want to remove the device */
-       state = cma_exch(id_priv, CMA_DEVICE_REMOVAL);
-       if (state == CMA_DESTROYING)
+       state = cma_exch(id_priv, RDMA_CM_DEVICE_REMOVAL);
+       if (state == RDMA_CM_DESTROYING)
                return 0;
 
        cma_cancel_operation(id_priv, state);
        mutex_lock(&id_priv->handler_mutex);
 
        /* Check for destruction from another callback. */
-       if (!cma_comp(id_priv, CMA_DEVICE_REMOVAL))
+       if (!cma_comp(id_priv, RDMA_CM_DEVICE_REMOVAL))
                goto out;
 
        memset(&event, 0, sizeof event);

diff --git a/include/rdma/rdma_cm.h b/include/rdma/rdma_cm.h
index 169f7a5..d5b2265 100644 (file)
--- a/include/rdma/rdma_cm.h
+++ b/include/rdma/rdma_cm.h
@@ -111,6 +111,20 @@ struct rdma_cm_event {
        } param;
 };
 
+enum rdma_cm_state {
+       RDMA_CM_IDLE,
+       RDMA_CM_ADDR_QUERY,
+       RDMA_CM_ADDR_RESOLVED,
+       RDMA_CM_ROUTE_QUERY,
+       RDMA_CM_ROUTE_RESOLVED,
+       RDMA_CM_CONNECT,
+       RDMA_CM_DISCONNECT,
+       RDMA_CM_ADDR_BOUND,
+       RDMA_CM_LISTEN,
+       RDMA_CM_DEVICE_REMOVAL,
+       RDMA_CM_DESTROYING
+};
+
 struct rdma_cm_id;
 
 /**