diff options
| -rw-r--r-- | drivers/infiniband/core/cma.c | 7 | ||||
| -rw-r--r-- | drivers/infiniband/core/sa_query.c | 60 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib.h | 2 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_main.c | 12 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_multicast.c | 12 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/srp/ib_srp.c | 9 | ||||
| -rw-r--r-- | include/rdma/ib_sa.h | 41 |
7 files changed, 116 insertions, 27 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 488fa1d642a7..1178bd434d1b 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -62,6 +62,7 @@ static struct ib_client cma_client = { .remove = cma_remove_one }; +static struct ib_sa_client sa_client; static LIST_HEAD(dev_list); static LIST_HEAD(listen_any_list); static DEFINE_MUTEX(lock); @@ -1323,7 +1324,7 @@ static int cma_query_ib_route(struct rdma_id_private *id_priv, int timeout_ms, path_rec.pkey = cpu_to_be16(ib_addr_get_pkey(addr)); path_rec.numb_path = 1; - id_priv->query_id = ib_sa_path_rec_get(id_priv->id.device, + id_priv->query_id = ib_sa_path_rec_get(&sa_client, id_priv->id.device, id_priv->id.port_num, &path_rec, IB_SA_PATH_REC_DGID | IB_SA_PATH_REC_SGID | IB_SA_PATH_REC_PKEY | IB_SA_PATH_REC_NUMB_PATH, @@ -2199,12 +2200,15 @@ static int cma_init(void) if (!cma_wq) return -ENOMEM; + ib_sa_register_client(&sa_client); + ret = ib_register_client(&cma_client); if (ret) goto err; return 0; err: + ib_sa_unregister_client(&sa_client); destroy_workqueue(cma_wq); return ret; } @@ -2212,6 +2216,7 @@ err: static void cma_cleanup(void) { ib_unregister_client(&cma_client); + ib_sa_unregister_client(&sa_client); destroy_workqueue(cma_wq); idr_destroy(&sdp_ps); idr_destroy(&tcp_ps); diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index ca8760a7d88c..1706d3c7e95e 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -1,6 +1,7 @@ /* * Copyright (c) 2004 Topspin Communications. All rights reserved. * Copyright (c) 2005 Voltaire, Inc. All rights reserved. + * Copyright (c) 2006 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU @@ -75,6 +76,7 @@ struct ib_sa_device { struct ib_sa_query { void (*callback)(struct ib_sa_query *, int, struct ib_sa_mad *); void (*release)(struct ib_sa_query *); + struct ib_sa_client *client; struct ib_sa_port *port; struct ib_mad_send_buf *mad_buf; struct ib_sa_sm_ah *sm_ah; @@ -415,6 +417,31 @@ static void ib_sa_event(struct ib_event_handler *handler, struct ib_event *event } } +void ib_sa_register_client(struct ib_sa_client *client) +{ + atomic_set(&client->users, 1); + init_completion(&client->comp); +} +EXPORT_SYMBOL(ib_sa_register_client); + +static inline void ib_sa_client_get(struct ib_sa_client *client) +{ + atomic_inc(&client->users); +} + +static inline void ib_sa_client_put(struct ib_sa_client *client) +{ + if (atomic_dec_and_test(&client->users)) + complete(&client->comp); +} + +void ib_sa_unregister_client(struct ib_sa_client *client) +{ + ib_sa_client_put(client); + wait_for_completion(&client->comp); +} +EXPORT_SYMBOL(ib_sa_unregister_client); + /** * ib_sa_cancel_query - try to cancel an SA query * @id:ID of query to cancel @@ -557,6 +584,7 @@ static void ib_sa_path_rec_release(struct ib_sa_query *sa_query) /** * ib_sa_path_rec_get - Start a Path get query + * @client:SA client * @device:device to send query on * @port_num: port number to send query on * @rec:Path Record to send in query @@ -579,7 +607,8 @@ static void ib_sa_path_rec_release(struct ib_sa_query *sa_query) * error code. Otherwise it is a query ID that can be used to cancel * the query. */ -int ib_sa_path_rec_get(struct ib_device *device, u8 port_num, +int ib_sa_path_rec_get(struct ib_sa_client *client, + struct ib_device *device, u8 port_num, struct ib_sa_path_rec *rec, ib_sa_comp_mask comp_mask, int timeout_ms, gfp_t gfp_mask, @@ -614,8 +643,10 @@ int ib_sa_path_rec_get(struct ib_device *device, u8 port_num, goto err1; } - query->callback = callback; - query->context = context; + ib_sa_client_get(client); + query->sa_query.client = client; + query->callback = callback; + query->context = context; mad = query->sa_query.mad_buf->mad; init_mad(mad, agent); @@ -639,6 +670,7 @@ int ib_sa_path_rec_get(struct ib_device *device, u8 port_num, err2: *sa_query = NULL; + ib_sa_client_put(query->sa_query.client); ib_free_send_mad(query->sa_query.mad_buf); err1: @@ -671,6 +703,7 @@ static void ib_sa_service_rec_release(struct ib_sa_query *sa_query) /** * ib_sa_service_rec_query - Start Service Record operation + * @client:SA client * @device:device to send request on * @port_num: port number to send request on * @method:SA method - should be get, set, or delete @@ -695,7 +728,8 @@ static void ib_sa_service_rec_release(struct ib_sa_query *sa_query) * error code. Otherwise it is a request ID that can be used to cancel * the query. */ -int ib_sa_service_rec_query(struct ib_device *device, u8 port_num, u8 method, +int ib_sa_service_rec_query(struct ib_sa_client *client, + struct ib_device *device, u8 port_num, u8 method, struct ib_sa_service_rec *rec, ib_sa_comp_mask comp_mask, int timeout_ms, gfp_t gfp_mask, @@ -735,8 +769,10 @@ int ib_sa_service_rec_query(struct ib_device *device, u8 port_num, u8 method, goto err1; } - query->callback = callback; - query->context = context; + ib_sa_client_get(client); + query->sa_query.client = client; + query->callback = callback; + query->context = context; mad = query->sa_query.mad_buf->mad; init_mad(mad, agent); @@ -761,6 +797,7 @@ int ib_sa_service_rec_query(struct ib_device *device, u8 port_num, u8 method, err2: *sa_query = NULL; + ib_sa_client_put(query->sa_query.client); ib_free_send_mad(query->sa_query.mad_buf); err1: @@ -791,7 +828,8 @@ static void ib_sa_mcmember_rec_release(struct ib_sa_query *sa_query) kfree(container_of(sa_query, struct ib_sa_mcmember_query, sa_query)); } -int ib_sa_mcmember_rec_query(struct ib_device *device, u8 port_num, +int ib_sa_mcmember_rec_query(struct ib_sa_client *client, + struct ib_device *device, u8 port_num, u8 method, struct ib_sa_mcmember_rec *rec, ib_sa_comp_mask comp_mask, @@ -827,8 +865,10 @@ int ib_sa_mcmember_rec_query(struct ib_device *device, u8 port_num, goto err1; } - query->callback = callback; - query->context = context; + ib_sa_client_get(client); + query->sa_query.client = client; + query->callback = callback; + query->context = context; mad = query->sa_query.mad_buf->mad; init_mad(mad, agent); @@ -853,6 +893,7 @@ int ib_sa_mcmember_rec_query(struct ib_device *device, u8 port_num, err2: *sa_query = NULL; + ib_sa_client_put(query->sa_query.client); ib_free_send_mad(query->sa_query.mad_buf); err1: @@ -889,6 +930,7 @@ static void send_handler(struct ib_mad_agent *agent, ib_free_send_mad(mad_send_wc->send_buf); kref_put(&query->sm_ah->ref, free_sm_ah); + ib_sa_client_put(query->client); query->release(query); } diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index 474aa214ab57..0b8a79d53a00 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -336,6 +336,8 @@ static inline void ipoib_unregister_debugfs(void) { } extern int ipoib_sendq_size; extern int ipoib_recvq_size; +extern struct ib_sa_client ipoib_sa_client; + #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG extern int ipoib_debug_level; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index e9a7659eb1d7..ae3a4982cddb 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -82,6 +82,8 @@ static const u8 ipv4_bcast_addr[] = { struct workqueue_struct *ipoib_workqueue; +struct ib_sa_client ipoib_sa_client; + static void ipoib_add_one(struct ib_device *device); static void ipoib_remove_one(struct ib_device *device); @@ -463,7 +465,7 @@ static int path_rec_start(struct net_device *dev, init_completion(&path->done); path->query_id = - ib_sa_path_rec_get(priv->ca, priv->port, + ib_sa_path_rec_get(&ipoib_sa_client, priv->ca, priv->port, &path->pathrec, IB_SA_PATH_REC_DGID | IB_SA_PATH_REC_SGID | @@ -1191,13 +1193,16 @@ static int __init ipoib_init_module(void) goto err_fs; } + ib_sa_register_client(&ipoib_sa_client); + ret = ib_register_client(&ipoib_client); if (ret) - goto err_wq; + goto err_sa; return 0; -err_wq: +err_sa: + ib_sa_unregister_client(&ipoib_sa_client); destroy_workqueue(ipoib_workqueue); err_fs: @@ -1209,6 +1214,7 @@ err_fs: static void __exit ipoib_cleanup_module(void) { ib_unregister_client(&ipoib_client); + ib_sa_unregister_client(&ipoib_sa_client); ipoib_unregister_debugfs(); destroy_workqueue(ipoib_workqueue); } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index 60b09f5cb347..fb3e4875a46d 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -361,7 +361,7 @@ static int ipoib_mcast_sendonly_join(struct ipoib_mcast *mcast) init_completion(&mcast->done); - ret = ib_sa_mcmember_rec_set(priv->ca, priv->port, &rec, + ret = ib_sa_mcmember_rec_set(&ipoib_sa_client, priv->ca, priv->port, &rec, IB_SA_MCMEMBER_REC_MGID | IB_SA_MCMEMBER_REC_PORT_GID | IB_SA_MCMEMBER_REC_PKEY | @@ -485,9 +485,9 @@ static void ipoib_mcast_join(struct net_device *dev, struct ipoib_mcast *mcast, init_completion(&mcast->done); - ret = ib_sa_mcmember_rec_set(priv->ca, priv->port, &rec, comp_mask, - mcast->backoff * 1000, GFP_ATOMIC, - ipoib_mcast_join_complete, + ret = ib_sa_mcmember_rec_set(&ipoib_sa_client, priv->ca, priv->port, + &rec, comp_mask, mcast->backoff * 1000, + GFP_ATOMIC, ipoib_mcast_join_complete, mcast, &mcast->query); if (ret < 0) { @@ -528,7 +528,7 @@ void ipoib_mcast_join_task(void *dev_ptr) priv->local_rate = attr.active_speed * ib_width_enum_to_int(attr.active_width); } else - ipoib_warn(priv, "ib_query_port failed\n"); + ipoib_warn(priv, "ib_query_port failed\n"); } if (!priv->broadcast) { @@ -681,7 +681,7 @@ static int ipoib_mcast_leave(struct net_device *dev, struct ipoib_mcast *mcast) * Just make one shot at leaving and don't wait for a reply; * if we fail, too bad. */ - ret = ib_sa_mcmember_rec_delete(priv->ca, priv->port, &rec, + ret = ib_sa_mcmember_rec_delete(&ipoib_sa_client, priv->ca, priv->port, &rec, IB_SA_MCMEMBER_REC_MGID | IB_SA_MCMEMBER_REC_PORT_GID | IB_SA_MCMEMBER_REC_PKEY | diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index feb1fcd0f2fb..44b9e5be6687 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -96,6 +96,8 @@ static struct ib_client srp_client = { .remove = srp_remove_one }; +static struct ib_sa_client srp_sa_client; + static inline struct srp_target_port *host_to_target(struct Scsi_Host *host) { return (struct srp_target_port *) host->hostdata; @@ -267,7 +269,8 @@ static int srp_lookup_path(struct srp_target_port *target) init_completion(&target->done); - target->path_query_id = ib_sa_path_rec_get(target->srp_host->dev->dev, + target->path_query_id = ib_sa_path_rec_get(&srp_sa_client, + target->srp_host->dev->dev, target->srp_host->port, &target->path, IB_SA_PATH_REC_DGID | @@ -1998,9 +2001,12 @@ static int __init srp_init_module(void) return ret; } + ib_sa_register_client(&srp_sa_client); + ret = ib_register_client(&srp_client); if (ret) { printk(KERN_ERR PFX "couldn't register IB client\n"); + ib_sa_unregister_client(&srp_sa_client); class_unregister(&srp_class); return ret; } @@ -2011,6 +2017,7 @@ static int __init srp_init_module(void) static void __exit srp_cleanup_module(void) { ib_unregister_client(&srp_client); + ib_sa_unregister_client(&srp_sa_client); class_unregister(&srp_class); } diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h index c99e4420fd7e..58bb5f716fe3 100644 --- a/include/rdma/ib_sa.h +++ b/include/rdma/ib_sa.h @@ -1,6 +1,7 @@ /* * Copyright (c) 2004 Topspin Communications. All rights reserved. * Copyright (c) 2005 Voltaire, Inc. All rights reserved. + * Copyright (c) 2006 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU @@ -36,8 +37,11 @@ #ifndef IB_SA_H #define IB_SA_H +#include <linux/completion.h> #include <linux/compiler.h> +#include <asm/atomic.h> + #include <rdma/ib_verbs.h> #include <rdma/ib_mad.h> @@ -250,11 +254,28 @@ struct ib_sa_service_rec { u64 data64[2]; }; +struct ib_sa_client { + atomic_t users; + struct completion comp; +}; + +/** + * ib_sa_register_client - Register an SA client. + */ +void ib_sa_register_client(struct ib_sa_client *client); + +/** + * ib_sa_unregister_client - Deregister an SA client. + * @client: Client object to deregister. + */ +void ib_sa_unregister_client(struct ib_sa_client *client); + struct ib_sa_query; void ib_sa_cancel_query(int id, struct ib_sa_query *query); -int ib_sa_path_rec_get(struct ib_device *device, u8 port_num, +int ib_sa_path_rec_get(struct ib_sa_client *client, + struct ib_device *device, u8 port_num, struct ib_sa_path_rec *rec, ib_sa_comp_mask comp_mask, int timeout_ms, gfp_t gfp_mask, @@ -264,7 +285,8 @@ int ib_sa_path_rec_get(struct ib_device *device, u8 port_num, void *context, struct ib_sa_query **query); -int ib_sa_mcmember_rec_query(struct ib_device *device, u8 port_num, +int ib_sa_mcmember_rec_query(struct ib_sa_client *client, + struct ib_device *device, u8 port_num, u8 method, struct ib_sa_mcmember_rec *rec, ib_sa_comp_mask comp_mask, @@ -275,7 +297,8 @@ int ib_sa_mcmember_rec_query(struct ib_device *device, u8 port_num, void *context, struct ib_sa_query **query); -int ib_sa_service_rec_query(struct ib_device *device, u8 port_num, +int ib_sa_service_rec_query(struct ib_sa_client *client, + struct ib_device *device, u8 port_num, u8 method, struct ib_sa_service_rec *rec, ib_sa_comp_mask comp_mask, @@ -288,6 +311,7 @@ int ib_sa_service_rec_query(struct ib_device *device, u8 port_num, /** * ib_sa_mcmember_rec_set - Start an MCMember set query + * @client:SA client * @device:device to send query on * @port_num: port number to send query on * @rec:MCMember Record to send in query @@ -311,7 +335,8 @@ int ib_sa_service_rec_query(struct ib_device *device, u8 port_num, * cancel the query. */ static inline int -ib_sa_mcmember_rec_set(struct ib_device *device, u8 port_num, +ib_sa_mcmember_rec_set(struct ib_sa_client *client, + struct ib_device *device, u8 port_num, struct ib_sa_mcmember_rec *rec, ib_sa_comp_mask comp_mask, int timeout_ms, gfp_t gfp_mask, @@ -321,7 +346,7 @@ ib_sa_mcmember_rec_set(struct ib_device *device, u8 port_num, void *context, struct ib_sa_query **query) { - return ib_sa_mcmember_rec_query(device, port_num, + return ib_sa_mcmember_rec_query(client, device, port_num, IB_MGMT_METHOD_SET, rec, comp_mask, timeout_ms, gfp_mask, callback, @@ -330,6 +355,7 @@ ib_sa_mcmember_rec_set(struct ib_device *device, u8 port_num, /** * ib_sa_mcmember_rec_delete - Start an MCMember delete query + * @client:SA client * @device:device to send query on * @port_num: port number to send query on * @rec:MCMember Record to send in query @@ -353,7 +379,8 @@ ib_sa_mcmember_rec_set(struct ib_device *device, u8 port_num, * cancel the query. */ static inline int -ib_sa_mcmember_rec_delete(struct ib_device *device, u8 port_num, +ib_sa_mcmember_rec_delete(struct ib_sa_client *client, + struct ib_device *device, u8 port_num, struct ib_sa_mcmember_rec *rec, ib_sa_comp_mask comp_mask, int timeout_ms, gfp_t gfp_mask, @@ -363,7 +390,7 @@ ib_sa_mcmember_rec_delete(struct ib_device *device, u8 port_num, void *context, struct ib_sa_query **query) { - return ib_sa_mcmember_rec_query(device, port_num, + return ib_sa_mcmember_rec_query(client, device, port_num, IB_SA_METHOD_DELETE, rec, comp_mask, timeout_ms, gfp_mask, callback, |