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IB/sa: Export function to pack a path record into wire format

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Allow converting from struct ib_sa_path_rec to the IB defined SA path
record wire format.  This will be used to report path data from the
rdma cm into user space.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Sean Hefty 2013-05-29 10:09:26 -07:00 committed by Roland Dreier
parent ee7aed4528
commit 2e08b5879e
2 changed files with 13 additions and 0 deletions
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6
drivers/infiniband/core/sa_query.c
View file

@ -652,6 +652,12 @@ void ib_sa_unpack_path(void *attribute, struct ib_sa_path_rec *rec)
}
EXPORT_SYMBOL(ib_sa_unpack_path);
void ib_sa_pack_path(struct ib_sa_path_rec *rec, void *attribute)
{
ib_pack(path_rec_table, ARRAY_SIZE(path_rec_table), rec, attribute);
}
EXPORT_SYMBOL(ib_sa_pack_path);
static void ib_sa_path_rec_callback(struct ib_sa_query *sa_query,
int status,
struct ib_sa_mad *mad)

7
include/rdma/ib_sa.h
View file

@ -401,6 +401,12 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
struct ib_sa_path_rec *rec,
struct ib_ah_attr *ah_attr);
/**
* ib_sa_pack_path - Conert a path record from struct ib_sa_path_rec
* to IB MAD wire format.
*/
void ib_sa_pack_path(struct ib_sa_path_rec *rec, void *attribute);
/**
* ib_sa_unpack_path - Convert a path record from MAD format to struct
* ib_sa_path_rec.
@ -418,4 +424,5 @@ int ib_sa_guid_info_rec_query(struct ib_sa_client *client,
void *context),
void *context,
struct ib_sa_query **sa_query);
#endif /* IB_SA_H */