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-rw-r--r--include/rdma/restrack.h58
1 files changed, 10 insertions, 48 deletions
diff --git a/include/rdma/restrack.h b/include/rdma/restrack.h
index 8f179be9d9a9..ecf3c7702a4f 100644
--- a/include/rdma/restrack.h
+++ b/include/rdma/restrack.h
@@ -7,12 +7,12 @@
#define _RDMA_RESTRACK_H_
#include <linux/typecheck.h>
-#include <linux/rwsem.h>
#include <linux/sched.h>
#include <linux/kref.h>
#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
@@ -48,30 +48,7 @@ enum rdma_restrack_type {
RDMA_RESTRACK_MAX
};
-#define RDMA_RESTRACK_HASH_BITS 8
-struct rdma_restrack_entry;
-
-/**
- * struct rdma_restrack_root - main resource tracking management
- * entity, per-device
- */
-struct rdma_restrack_root {
- /*
- * @rwsem: Read/write lock to protect lists
- */
- struct rw_semaphore rwsem;
- /**
- * @hash: global database for all resources per-device
- */
- DECLARE_HASHTABLE(hash, RDMA_RESTRACK_HASH_BITS);
- /**
- * @fill_res_entry: driver-specific fill function
- *
- * Allows rdma drivers to add their own restrack attributes.
- */
- int (*fill_res_entry)(struct sk_buff *msg,
- struct rdma_restrack_entry *entry);
-};
+struct ib_device;
/**
* struct rdma_restrack_entry - metadata per-entry
@@ -109,10 +86,6 @@ 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;
@@ -120,27 +93,13 @@ struct rdma_restrack_entry {
* @user: user resource
*/
bool user;
+ /**
+ * @id: ID to expose to users
+ */
+ u32 id;
};
-/**
- * rdma_restrack_init() - initialize resource tracking
- * @res: resource tracking root
- */
-void rdma_restrack_init(struct rdma_restrack_root *res);
-
-/**
- * rdma_restrack_clean() - clean resource tracking
- * @res: resource tracking root
- */
-void rdma_restrack_clean(struct rdma_restrack_root *res);
-
-/**
- * rdma_restrack_count() - the current usage of specific object
- * @res: resource entry
- * @type: actual type of object to operate
- * @ns: PID namespace
- */
-int rdma_restrack_count(struct rdma_restrack_root *res,
+int rdma_restrack_count(struct ib_device *dev,
enum rdma_restrack_type type,
struct pid_namespace *ns);
@@ -193,4 +152,7 @@ int rdma_nl_put_driver_u32_hex(struct sk_buff *msg, const char *name,
int rdma_nl_put_driver_u64(struct sk_buff *msg, const char *name, u64 value);
int rdma_nl_put_driver_u64_hex(struct sk_buff *msg, const char *name,
u64 value);
+struct rdma_restrack_entry *rdma_restrack_get_byid(struct ib_device *dev,
+ enum rdma_restrack_type type,
+ u32 id);
#endif /* _RDMA_RESTRACK_H_ */