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| author | Mark Zhang <markzhang@nvidia.com> | 2025-06-30 13:52:32 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2025-08-13 06:15:56 -0400 |
| commit | a892a3e74fb4f6ef040659297603abf11ccf29a7 (patch) | |
| tree | 96addc30affd92337f86bc67ffd09c313bce50a2 /include/rdma | |
| parent | ef5fcdb7300abafd610fd8f815e77dd687eced65 (diff) | |
| download | linux-a892a3e74fb4f6ef040659297603abf11ccf29a7.tar.gz linux-a892a3e74fb4f6ef040659297603abf11ccf29a7.tar.bz2 linux-a892a3e74fb4f6ef040659297603abf11ccf29a7.zip | |
RDMA/sa_query: Support IB service records resolution
Add an SA query API ib_sa_service_rec_get() to support building and
sending SA query MADs that ask for service records with a specific
name or ID, and receiving and parsing responses from the SM.
Signed-off-by: Or Har-Toov <ohartoov@nvidia.com>
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Reviewed-by: Vlad Dumitrescu <vdumitrescu@nvidia.com>
Link: https://patch.msgid.link/9af6c82f3a3a9d975115a33235fb4ffc7c8edb21.1751279793.git.leonro@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/ib_mad.h | 1 | ||||
| -rw-r--r-- | include/rdma/ib_sa.h | 37 |
2 files changed, 38 insertions, 0 deletions
diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h index 3f1b58d8b4bf..8bd0e1eb393b 100644 --- a/include/rdma/ib_mad.h +++ b/include/rdma/ib_mad.h @@ -48,6 +48,7 @@ #define IB_MGMT_METHOD_REPORT 0x06 #define IB_MGMT_METHOD_REPORT_RESP 0x86 #define IB_MGMT_METHOD_TRAP_REPRESS 0x07 +#define IB_MGMT_METHOD_GET_TABLE 0x12 #define IB_MGMT_METHOD_RESP 0x80 #define IB_BM_ATTR_MOD_RESP cpu_to_be32(1) diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h index b46353fc53bf..95e8924ad563 100644 --- a/include/rdma/ib_sa.h +++ b/include/rdma/ib_sa.h @@ -189,6 +189,20 @@ struct sa_path_rec { u32 flags; }; +struct sa_service_rec { + __be64 id; + __u8 gid[16]; + __be16 pkey; + __u8 reserved[2]; + __be32 lease; + __u8 key[16]; + __u8 name[64]; + __u8 data_8[16]; + __be16 data_16[8]; + __be32 data_32[4]; + __be64 data_64[2]; +}; + static inline enum ib_gid_type sa_conv_pathrec_to_gid_type(struct sa_path_rec *rec) { @@ -417,6 +431,17 @@ int ib_sa_path_rec_get(struct ib_sa_client *client, struct ib_device *device, unsigned int num_prs, void *context), void *context, struct ib_sa_query **query); +int ib_sa_service_rec_get(struct ib_sa_client *client, + struct ib_device *device, u32 port_num, + struct sa_service_rec *rec, + ib_sa_comp_mask comp_mask, + unsigned long timeout_ms, gfp_t gfp_mask, + void (*callback)(int status, + struct sa_service_rec *resp, + unsigned int num_services, + void *context), + void *context, struct ib_sa_query **sa_query); + struct ib_sa_multicast { struct ib_sa_mcmember_rec rec; ib_sa_comp_mask comp_mask; @@ -509,6 +534,18 @@ int ib_init_ah_attr_from_path(struct ib_device *device, u32 port_num, void ib_sa_pack_path(struct sa_path_rec *rec, void *attribute); /** + * ib_sa_pack_service - Convert a service record from struct ib_sa_service_rec + * to IB MAD wire format. + */ +void ib_sa_pack_service(struct sa_service_rec *rec, void *attribute); + +/** + * ib_sa_unpack_service - Convert a service record from MAD format to struct + * ib_sa_service_rec. + */ +void ib_sa_unpack_service(void *attribute, struct sa_service_rec *rec); + +/** * ib_sa_unpack_path - Convert a path record from MAD format to struct * ib_sa_path_rec. */ |