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authorParav Pandit <pandit.parav@gmail.com>2017-01-10 00:02:14 +0000
committerTejun Heo <tj@kernel.org>2017-01-10 11:14:27 -0500
commit43579b5f2c79d747d8294bd233db41c954e2dc4a (patch)
treed9934831b4c832cf0c2c10606276940ff5e3a7d4 /drivers/infiniband/core/uverbs_main.c
parentrdmacg: Added rdma cgroup controller (diff)
downloadlinux-dev-43579b5f2c79d747d8294bd233db41c954e2dc4a.tar.xz
linux-dev-43579b5f2c79d747d8294bd233db41c954e2dc4a.zip
IB/core: added support to use rdma cgroup controller
Added support APIs for IB core to register/unregister every IB/RDMA device with rdma cgroup for tracking rdma resources. IB core registers with rdma cgroup controller. Added support APIs for uverbs layer to make use of rdma controller. Added uverbs layer to perform resource charge/uncharge functionality. Added support during query_device uverb operation to ensure it returns resource limits by honoring rdma cgroup configured limits. Signed-off-by: Parav Pandit <pandit.parav@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/infiniband/core/uverbs_main.c')
-rw-r--r--drivers/infiniband/core/uverbs_main.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index b3f95d453fba..cdbd26d6574b 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -51,6 +51,7 @@
#include <rdma/ib.h>
#include "uverbs.h"
+#include "core_priv.h"
MODULE_AUTHOR("Roland Dreier");
MODULE_DESCRIPTION("InfiniBand userspace verbs access");
@@ -237,6 +238,8 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file,
idr_remove_uobj(&ib_uverbs_ah_idr, uobj);
ib_destroy_ah(ah);
+ ib_rdmacg_uncharge(&uobj->cg_obj, context->device,
+ RDMACG_RESOURCE_HCA_OBJECT);
kfree(uobj);
}
@@ -246,6 +249,8 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file,
idr_remove_uobj(&ib_uverbs_mw_idr, uobj);
uverbs_dealloc_mw(mw);
+ ib_rdmacg_uncharge(&uobj->cg_obj, context->device,
+ RDMACG_RESOURCE_HCA_OBJECT);
kfree(uobj);
}
@@ -254,6 +259,8 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file,
idr_remove_uobj(&ib_uverbs_rule_idr, uobj);
ib_destroy_flow(flow_id);
+ ib_rdmacg_uncharge(&uobj->cg_obj, context->device,
+ RDMACG_RESOURCE_HCA_OBJECT);
kfree(uobj);
}
@@ -266,6 +273,8 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file,
if (qp == qp->real_qp)
ib_uverbs_detach_umcast(qp, uqp);
ib_destroy_qp(qp);
+ ib_rdmacg_uncharge(&uobj->cg_obj, context->device,
+ RDMACG_RESOURCE_HCA_OBJECT);
ib_uverbs_release_uevent(file, &uqp->uevent);
kfree(uqp);
}
@@ -298,6 +307,8 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file,
idr_remove_uobj(&ib_uverbs_srq_idr, uobj);
ib_destroy_srq(srq);
+ ib_rdmacg_uncharge(&uobj->cg_obj, context->device,
+ RDMACG_RESOURCE_HCA_OBJECT);
ib_uverbs_release_uevent(file, uevent);
kfree(uevent);
}
@@ -310,6 +321,8 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file,
idr_remove_uobj(&ib_uverbs_cq_idr, uobj);
ib_destroy_cq(cq);
+ ib_rdmacg_uncharge(&uobj->cg_obj, context->device,
+ RDMACG_RESOURCE_HCA_OBJECT);
ib_uverbs_release_ucq(file, ev_file, ucq);
kfree(ucq);
}
@@ -319,6 +332,8 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file,
idr_remove_uobj(&ib_uverbs_mr_idr, uobj);
ib_dereg_mr(mr);
+ ib_rdmacg_uncharge(&uobj->cg_obj, context->device,
+ RDMACG_RESOURCE_HCA_OBJECT);
kfree(uobj);
}
@@ -339,11 +354,16 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file,
idr_remove_uobj(&ib_uverbs_pd_idr, uobj);
ib_dealloc_pd(pd);
+ ib_rdmacg_uncharge(&uobj->cg_obj, context->device,
+ RDMACG_RESOURCE_HCA_OBJECT);
kfree(uobj);
}
put_pid(context->tgid);
+ ib_rdmacg_uncharge(&context->cg_obj, context->device,
+ RDMACG_RESOURCE_HCA_HANDLE);
+
return context->device->dealloc_ucontext(context);
}