1 #ifndef _GPXE_IB_PATHREC_H
2 #define _GPXE_IB_PATHREC_H
3
4 /** @file
5 *
6 * Infiniband path records
7 *
8 */
9
10 FILE_LICENCE ( GPL2_OR_LATER );
11
12 #include <gpxe/infiniband.h>
13
14 struct ib_mad_transaction;
15 struct ib_path;
16
17 /** Infiniband path operations */
18 struct ib_path_operations {
19 /** Handle path transaction completion
20 *
21 * @v ibdev Infiniband device
22 * @v path Path
23 * @v rc Status code
24 * @v av Address vector, or NULL on error
25 */
26 void ( * complete ) ( struct ib_device *ibdev,
27 struct ib_path *path, int rc,
28 struct ib_address_vector *av );
29 };
30
31 /** An Infiniband path */
32 struct ib_path {
33 /** Infiniband device */
34 struct ib_device *ibdev;
35 /** Address vector */
36 struct ib_address_vector av;
37 /** Management transaction */
38 struct ib_mad_transaction *madx;
39 /** Path operations */
40 struct ib_path_operations *op;
41 /** Owner private data */
42 void *owner_priv;
43 };
44
45 /**
46 * Set Infiniband path owner-private data
47 *
48 * @v path Path
49 * @v priv Private data
50 */
51 static inline __always_inline void
ib_path_set_ownerdata(struct ib_path * path,void * priv)52 ib_path_set_ownerdata ( struct ib_path *path, void *priv ) {
53 path->owner_priv = priv;
54 }
55
56 /**
57 * Get Infiniband path owner-private data
58 *
59 * @v path Path
60 * @ret priv Private data
61 */
62 static inline __always_inline void *
ib_path_get_ownerdata(struct ib_path * path)63 ib_path_get_ownerdata ( struct ib_path *path ) {
64 return path->owner_priv;
65 }
66
67 extern struct ib_path *
68 ib_create_path ( struct ib_device *ibdev, struct ib_address_vector *av,
69 struct ib_path_operations *op );
70 extern void ib_destroy_path ( struct ib_device *ibdev,
71 struct ib_path *path );
72
73 extern int ib_resolve_path ( struct ib_device *ibdev,
74 struct ib_address_vector *av );
75
76 #endif /* _GPXE_IB_PATHREC_H */
77