/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2016 Parav Pandit <pandit.parav@gmail.com> */ #ifndef _CGROUP_RDMA_H #define _CGROUP_RDMA_H #include <linux/cgroup.h> enum rdmacg_resource_type { RDMACG_RESOURCE_HCA_HANDLE, RDMACG_RESOURCE_HCA_OBJECT, RDMACG_RESOURCE_MAX, }; #ifdef CONFIG_CGROUP_RDMA struct rdma_cgroup { struct cgroup_subsys_state css; /* * head to keep track of all resource pools * that belongs to this cgroup. */ struct list_head rpools; /* Handles for rdma.events[.local] */ struct cgroup_file events_file; struct cgroup_file events_local_file; }; struct rdmacg_device { struct list_head dev_node; struct list_head rpools; char *name; }; /* * APIs for RDMA/IB stack to publish when a device wants to * participate in resource accounting */ void rdmacg_register_device(struct rdmacg_device *device); void rdmacg_unregister_device(struct rdmacg_device *device); /* APIs for RDMA/IB stack to charge/uncharge pool specific resources */ int rdmacg_try_charge(struct rdma_cgroup **rdmacg, struct rdmacg_device *device, enum rdmacg_resource_type index); void rdmacg_uncharge(struct rdma_cgroup *cg, struct rdmacg_device *device, enum rdmacg_resource_type index); #endif /* CONFIG_CGROUP_RDMA */ #endif /* _CGROUP_RDMA_H */