cgroup.c (1547B)
1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Copyright (C) 2016 Parav Pandit <pandit.parav@gmail.com> 4 */ 5 6#include "core_priv.h" 7 8/** 9 * ib_device_register_rdmacg - register with rdma cgroup. 10 * @device: device to register to participate in resource 11 * accounting by rdma cgroup. 12 * 13 * Register with the rdma cgroup. Should be called before 14 * exposing rdma device to user space applications to avoid 15 * resource accounting leak. 16 */ 17void ib_device_register_rdmacg(struct ib_device *device) 18{ 19 device->cg_device.name = device->name; 20 rdmacg_register_device(&device->cg_device); 21} 22 23/** 24 * ib_device_unregister_rdmacg - unregister with rdma cgroup. 25 * @device: device to unregister. 26 * 27 * Unregister with the rdma cgroup. Should be called after 28 * all the resources are deallocated, and after a stage when any 29 * other resource allocation by user application cannot be done 30 * for this device to avoid any leak in accounting. 31 */ 32void ib_device_unregister_rdmacg(struct ib_device *device) 33{ 34 rdmacg_unregister_device(&device->cg_device); 35} 36 37int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj, 38 struct ib_device *device, 39 enum rdmacg_resource_type resource_index) 40{ 41 return rdmacg_try_charge(&cg_obj->cg, &device->cg_device, 42 resource_index); 43} 44EXPORT_SYMBOL(ib_rdmacg_try_charge); 45 46void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj, 47 struct ib_device *device, 48 enum rdmacg_resource_type resource_index) 49{ 50 rdmacg_uncharge(cg_obj->cg, &device->cg_device, 51 resource_index); 52} 53EXPORT_SYMBOL(ib_rdmacg_uncharge);