From 66f57b871efc576dfe8117b65af4e805e03ea689 Mon Sep 17 00:00:00 2001 From: Leon Romanovsky Date: Tue, 17 Nov 2020 09:01:48 +0200 Subject: [PATCH] RDMA/restrack: Support all QP types The latest changes in restrack name handling allowed to simplify the QP creation code to support all types of QPs. For example XRC QP are presented with rdmatool. $ ibv_xsrq_pingpong & $ rdma res show qp link ibp0s9/1 lqpn 0 type SMI state RTS sq-psn 0 comm [ib_core] link ibp0s9/1 lqpn 1 type GSI state RTS sq-psn 0 comm [ib_core] link ibp0s9/1 lqpn 7 type UD state RTS sq-psn 0 comm [mlx5_ib] link ibp0s9/1 lqpn 42 type XRC_TGT state INIT sq-psn 0 path-mig-state MIGRATED comm [ib_uverbs] link ibp0s9/1 lqpn 43 type XRC_INI state INIT sq-psn 0 path-mig-state MIGRATED pdn 197 pid 419 comm ibv_xsrq_pingpong Link: https://lore.kernel.org/r/20201117070148.1974114-4-leon@kernel.org Reviewed-by: Mark Zhang Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe --- drivers/infiniband/core/core_priv.h | 25 ++++++------------- drivers/infiniband/core/uverbs_cmd.c | 4 +-- drivers/infiniband/core/uverbs_std_types_qp.c | 4 +-- drivers/infiniband/core/verbs.c | 11 ++++---- include/rdma/ib_verbs.h | 10 ++++++-- 5 files changed, 25 insertions(+), 29 deletions(-) diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h index 7c4752c47f80e..baa86c86efad5 100644 --- a/drivers/infiniband/core/core_priv.h +++ b/drivers/infiniband/core/core_priv.h @@ -318,15 +318,12 @@ struct ib_device *ib_device_get_by_index(const struct net *net, u32 index); void nldev_init(void); void nldev_exit(void); -static inline struct ib_qp *_ib_create_qp(struct ib_device *dev, - struct ib_pd *pd, - struct ib_qp_init_attr *attr, - struct ib_udata *udata, - struct ib_uqp_object *uobj) +static inline struct ib_qp * +_ib_create_qp(struct ib_device *dev, struct ib_pd *pd, + struct ib_qp_init_attr *attr, struct ib_udata *udata, + struct ib_uqp_object *uobj, const char *caller) { - enum ib_qp_type qp_type = attr->qp_type; struct ib_qp *qp; - bool is_xrc; if (!dev->ops.create_qp) return ERR_PTR(-EOPNOTSUPP); @@ -347,7 +344,6 @@ static inline struct ib_qp *_ib_create_qp(struct ib_device *dev, qp->srq = attr->srq; qp->rwq_ind_tbl = attr->rwq_ind_tbl; qp->event_handler = attr->event_handler; - qp->qp_type = attr->qp_type; qp->port = attr->port_num; atomic_set(&qp->usecnt, 0); @@ -356,16 +352,9 @@ static inline struct ib_qp *_ib_create_qp(struct ib_device *dev, INIT_LIST_HEAD(&qp->sig_mrs); rdma_restrack_new(&qp->res, RDMA_RESTRACK_QP); - /* - * We don't track XRC QPs for now, because they don't have PD - * and more importantly they are created internaly by driver, - * see mlx5 create_dev_resources() as an example. - */ - is_xrc = qp_type == IB_QPT_XRC_INI || qp_type == IB_QPT_XRC_TGT; - if ((qp_type < IB_QPT_MAX && !is_xrc) || qp_type == IB_QPT_DRIVER) { - rdma_restrack_parent_name(&qp->res, &pd->res); - rdma_restrack_add(&qp->res); - } + WARN_ONCE(!udata && !caller, "Missing kernel QP owner"); + rdma_restrack_set_name(&qp->res, udata ? NULL : caller); + rdma_restrack_add(&qp->res); return qp; } diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 92c9d2a548f31..402d0b8bf58e7 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -1400,8 +1400,8 @@ static int create_qp(struct uverbs_attr_bundle *attrs, if (cmd->qp_type == IB_QPT_XRC_TGT) qp = ib_create_qp(pd, &attr); else - qp = _ib_create_qp(device, pd, &attr, &attrs->driver_udata, - obj); + qp = _ib_create_qp(device, pd, &attr, &attrs->driver_udata, obj, + NULL); if (IS_ERR(qp)) { ret = PTR_ERR(qp); diff --git a/drivers/infiniband/core/uverbs_std_types_qp.c b/drivers/infiniband/core/uverbs_std_types_qp.c index 294cd29d5cede..c00cfb5ed3879 100644 --- a/drivers/infiniband/core/uverbs_std_types_qp.c +++ b/drivers/infiniband/core/uverbs_std_types_qp.c @@ -251,8 +251,8 @@ static int UVERBS_HANDLER(UVERBS_METHOD_QP_CREATE)( if (attr.qp_type == IB_QPT_XRC_TGT) qp = ib_create_qp(pd, &attr); else - qp = _ib_create_qp(device, pd, &attr, &attrs->driver_udata, - obj); + qp = _ib_create_qp(device, pd, &attr, &attrs->driver_udata, obj, + NULL); if (IS_ERR(qp)) { ret = PTR_ERR(qp); diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 33778f8674a14..5d4c7c263665c 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1191,7 +1191,7 @@ static struct ib_qp *create_xrc_qp_user(struct ib_qp *qp, } /** - * ib_create_qp - Creates a kernel QP associated with the specified protection + * ib_create_named_qp - Creates a kernel QP associated with the specified protection * domain. * @pd: The protection domain associated with the QP. * @qp_init_attr: A list of initial attributes required to create the @@ -1200,8 +1200,9 @@ static struct ib_qp *create_xrc_qp_user(struct ib_qp *qp, * * NOTE: for user qp use ib_create_qp_user with valid udata! */ -struct ib_qp *ib_create_qp(struct ib_pd *pd, - struct ib_qp_init_attr *qp_init_attr) +struct ib_qp *ib_create_named_qp(struct ib_pd *pd, + struct ib_qp_init_attr *qp_init_attr, + const char *caller) { struct ib_device *device = pd ? pd->device : qp_init_attr->xrcd->device; struct ib_qp *qp; @@ -1226,7 +1227,7 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd, if (qp_init_attr->cap.max_rdma_ctxs) rdma_rw_init_qp(device, qp_init_attr); - qp = _ib_create_qp(device, pd, qp_init_attr, NULL, NULL); + qp = _ib_create_qp(device, pd, qp_init_attr, NULL, NULL, caller); if (IS_ERR(qp)) return qp; @@ -1292,7 +1293,7 @@ err: return ERR_PTR(ret); } -EXPORT_SYMBOL(ib_create_qp); +EXPORT_SYMBOL(ib_create_named_qp); static const struct { int valid; diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 174c1bffa00c8..7bee8abae35cf 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -3618,8 +3618,14 @@ static inline int ib_post_srq_recv(struct ib_srq *srq, bad_recv_wr ? : &dummy); } -struct ib_qp *ib_create_qp(struct ib_pd *pd, - struct ib_qp_init_attr *qp_init_attr); +struct ib_qp *ib_create_named_qp(struct ib_pd *pd, + struct ib_qp_init_attr *qp_init_attr, + const char *caller); +static inline struct ib_qp *ib_create_qp(struct ib_pd *pd, + struct ib_qp_init_attr *init_attr) +{ + return ib_create_named_qp(pd, init_attr, KBUILD_MODNAME); +} /** * ib_modify_qp_with_udata - Modifies the attributes for the specified QP. -- 2.30.2