diff options
Diffstat (limited to 'include/rdma/restrack.h')
| -rw-r--r-- | include/rdma/restrack.h | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/include/rdma/restrack.h b/include/rdma/restrack.h index cc66cc7a11d3..16e11b4c3ec3 100644 --- a/include/rdma/restrack.h +++ b/include/rdma/restrack.h @@ -13,6 +13,7 @@ #include <linux/completion.h> #include <linux/sched/task.h> #include <uapi/rdma/rdma_netlink.h> +#include <linux/xarray.h> /** * enum rdma_restrack_type - HW objects to track @@ -48,7 +49,6 @@ enum rdma_restrack_type { RDMA_RESTRACK_MAX }; -#define RDMA_RESTRACK_HASH_BITS 8 struct ib_device; struct rdma_restrack_entry; @@ -62,9 +62,17 @@ struct rdma_restrack_root { */ struct rw_semaphore rwsem; /** - * @hash: global database for all resources per-device + * @xa: Array of XArray structures to hold restrack entries. + * We want to use array of XArrays because insertion is type + * dependent. For types with xisiting unique ID (like QPN), + * we will insert to that unique index. For other types, + * we insert based on pointers and auto-allocate unique index. */ - DECLARE_HASHTABLE(hash, RDMA_RESTRACK_HASH_BITS); + struct xarray xa[RDMA_RESTRACK_MAX]; + /** + * @next_id: Next ID to support cyclic allocation + */ + u32 next_id[RDMA_RESTRACK_MAX]; }; /** @@ -103,10 +111,6 @@ struct rdma_restrack_entry { */ const char *kern_name; /** - * @node: hash table entry - */ - struct hlist_node node; - /** * @type: various objects in restrack database */ enum rdma_restrack_type type; @@ -114,6 +118,10 @@ struct rdma_restrack_entry { * @user: user resource */ bool user; + /** + * @id: ID to expose to users + */ + u32 id; }; void rdma_restrack_init(struct ib_device *dev); |