| 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 | */ |
| 17 | void ib_device_register_rdmacg(struct ib_device *device) |
| 18 | { |
| 19 | device->cg_device.name = device->name; |
| 20 | rdmacg_register_device(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 | */ |
| 32 | void ib_device_unregister_rdmacg(struct ib_device *device) |
| 33 | { |
| 34 | rdmacg_unregister_device(device: &device->cg_device); |
| 35 | } |
| 36 | |
| 37 | int 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(rdmacg: &cg_obj->cg, device: &device->cg_device, |
| 42 | index: resource_index); |
| 43 | } |
| 44 | EXPORT_SYMBOL(ib_rdmacg_try_charge); |
| 45 | |
| 46 | void 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: cg_obj->cg, device: &device->cg_device, |
| 51 | index: resource_index); |
| 52 | } |
| 53 | EXPORT_SYMBOL(ib_rdmacg_uncharge); |
| 54 |