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| author |   Parav Pandit <pandit.parav@gmail.com> | 2017-01-10 00:02:14 +0000 |
|---|---|---|
| committer |   Tejun Heo <tj@kernel.org> | 2017-01-10 11:14:27 -0500 |
| commit | 43579b5f2c79d747d8294bd233db41c954e2dc4a (patch) | |
| tree | d9934831b4c832cf0c2c10606276940ff5e3a7d4 /drivers/infiniband/core/core_priv.h | |
| parent | rdmacg: Added rdma cgroup controller (diff) | |
| download | linux-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/core_priv.h')
| -rw-r--r-- | drivers/infiniband/core/core_priv.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h index d29372624f3a..389f6192bddc 100644 --- a/drivers/infiniband/core/core_priv.h +++ b/drivers/infiniband/core/core_priv.h @@ -35,6 +35,7 @@ #include <linux/list.h> #include <linux/spinlock.h> +#include <linux/cgroup_rdma.h> #include <rdma/ib_verbs.h> @@ -121,6 +122,35 @@ int ib_cache_setup_one(struct ib_device *device); void ib_cache_cleanup_one(struct ib_device *device); void ib_cache_release_one(struct ib_device *device); +#ifdef CONFIG_CGROUP_RDMA +int ib_device_register_rdmacg(struct ib_device *device); +void ib_device_unregister_rdmacg(struct ib_device *device); + +int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj, + struct ib_device *device, + enum rdmacg_resource_type resource_index); + +void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj, + struct ib_device *device, + enum rdmacg_resource_type resource_index); +#else +static inline int ib_device_register_rdmacg(struct ib_device *device) +{ return 0; } + +static inline void ib_device_unregister_rdmacg(struct ib_device *device) +{ } + +static inline int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj, + struct ib_device *device, + enum rdmacg_resource_type resource_index) +{ return 0; } + +static inline void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj, + struct ib_device *device, + enum rdmacg_resource_type resource_index) +{ } +#endif + static inline bool rdma_is_upper_dev_rcu(struct net_device *dev, struct net_device *upper) { |