From: Neta Ostrovsky <netao@xxxxxxxxxx>
In order to track SRQ resources, a new restrack object is initialized
and added to the resource tracking database.
Signed-off-by: Neta Ostrovsky <netao@xxxxxxxxxx>
Reviewed-by: Mark Zhang <markzhang@xxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
---
drivers/infiniband/core/restrack.c | 3 +++
drivers/infiniband/core/verbs.c | 7 +++++++
include/rdma/ib_verbs.h | 5 +++++
include/rdma/restrack.h | 4 ++++
4 files changed, 19 insertions(+)
diff --git a/drivers/infiniband/core/restrack.c b/drivers/infiniband/core/restrack.c
index def0c5b0efe9..1f935d9f6178 100644
--- a/drivers/infiniband/core/restrack.c
+++ b/drivers/infiniband/core/restrack.c
@@ -47,6 +47,7 @@ static const char *type2str(enum rdma_restrack_type type)
[RDMA_RESTRACK_MR] = "MR",
[RDMA_RESTRACK_CTX] = "CTX",
[RDMA_RESTRACK_COUNTER] = "COUNTER",
+ [RDMA_RESTRACK_SRQ] = "SRQ",
};
return names[type];
@@ -141,6 +142,8 @@ static struct ib_device *res_to_dev(struct rdma_restrack_entry *res)
return container_of(res, struct ib_ucontext, res)->device;
case RDMA_RESTRACK_COUNTER:
return container_of(res, struct rdma_counter, res)->device;
+ case RDMA_RESTRACK_SRQ:
+ return container_of(res, struct ib_srq, res)->device;
default:
WARN_ONCE(true, "Wrong resource tracking type %u\n", res->type);
return NULL;
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 5b6214b803a2..2b0798151fb7 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -1039,8 +1039,12 @@ struct ib_srq *ib_create_srq_user(struct ib_pd *pd,
}
atomic_inc(&pd->usecnt);
+ rdma_restrack_new(&srq->res, RDMA_RESTRACK_SRQ);
+ rdma_restrack_parent_name(&srq->res, &pd->res);
+
ret = pd->device->ops.create_srq(srq, srq_init_attr, udata);
if (ret) {
+ rdma_restrack_put(&srq->res);
atomic_dec(&srq->pd->usecnt);
if (srq->srq_type == IB_SRQT_XRC)
atomic_dec(&srq->ext.xrc.xrcd->usecnt);
@@ -1050,6 +1054,8 @@ struct ib_srq *ib_create_srq_user(struct ib_pd *pd,
return ERR_PTR(ret);
}
+ rdma_restrack_add(&srq->res);
+
return srq;
}
EXPORT_SYMBOL(ib_create_srq_user);
@@ -1088,6 +1094,7 @@ int ib_destroy_srq_user(struct ib_srq *srq, struct ib_udata *udata)
atomic_dec(&srq->ext.xrc.xrcd->usecnt);
if (ib_srq_has_cq(srq->srq_type))
atomic_dec(&srq->ext.cq->usecnt);
+ rdma_restrack_del(&srq->res);
kfree(srq);
return ret;
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index c596882893ae..7e2f3699b898 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1610,6 +1610,11 @@ struct ib_srq {
} xrc;
};
} ext;
+
+ /*
+ * Implementation details of the RDMA core, don't use in drivers:
+ */
+ struct rdma_restrack_entry res;
};
enum ib_raw_packet_caps {
diff --git a/include/rdma/restrack.h b/include/rdma/restrack.h
index 05e18839eaff..79d109c47242 100644
--- a/include/rdma/restrack.h
+++ b/include/rdma/restrack.h
@@ -49,6 +49,10 @@ enum rdma_restrack_type {
* @RDMA_RESTRACK_COUNTER: Statistic Counter
*/
RDMA_RESTRACK_COUNTER,
+ /**
+ * @RDMA_RESTRACK_SRQ: Shared receive queue (SRQ)
+ */
+ RDMA_RESTRACK_SRQ,
/**
* @RDMA_RESTRACK_MAX: Last entry, used for array dclarations
*/
--
2.30.2
