bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-18 06:44:00 -04:00
Code Issues Packages Projects Releases Wiki Activity

RDMA/sa_query: Support IB service records resolution

Browse Source 
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>
This commit is contained in:
Mark Zhang
2025-06-30 13:52:32 +03:00
committed by Leon Romanovsky
parent ef5fcdb730
commit a892a3e74f
3 changed files with 276 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
include/rdma/ib_mad.h
View File

@@ -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)

37
include/rdma/ib_sa.h
View File

@@ -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;
@@ -508,6 +533,18 @@ 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.