diff options
Diffstat (limited to 'drivers/infiniband/core/restrack.h')
| -rw-r--r-- | drivers/infiniband/core/restrack.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/infiniband/core/restrack.h b/drivers/infiniband/core/restrack.h new file mode 100644 index 000000000..6a04fc41f --- /dev/null +++ b/drivers/infiniband/core/restrack.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ +/* + * Copyright (c) 2017-2019 Mellanox Technologies. All rights reserved. + */ + +#ifndef _RDMA_CORE_RESTRACK_H_ +#define _RDMA_CORE_RESTRACK_H_ + +#include <linux/mutex.h> + +/** + * struct rdma_restrack_root - main resource tracking management + * entity, per-device + */ +struct rdma_restrack_root { + /** + * @xa: Array of XArray structure to hold restrack entries. + */ + struct xarray xa; + /** + * @next_id: Next ID to support cyclic allocation + */ + u32 next_id; +}; + +int rdma_restrack_init(struct ib_device *dev); +void rdma_restrack_clean(struct ib_device *dev); +void rdma_restrack_add(struct rdma_restrack_entry *res); +void rdma_restrack_del(struct rdma_restrack_entry *res); +void rdma_restrack_new(struct rdma_restrack_entry *res, + enum rdma_restrack_type type); +void rdma_restrack_set_name(struct rdma_restrack_entry *res, + const char *caller); +void rdma_restrack_parent_name(struct rdma_restrack_entry *dst, + const struct rdma_restrack_entry *parent); +#endif /* _RDMA_CORE_RESTRACK_H_ */ |