diff options
| author | Or Har-Toov <ohartoov@nvidia.com> | 2025-12-18 18:58:46 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2026-01-05 10:43:05 +0300 |
| commit | 51a07ce2fefd061edf4ba552a741c85f07b3e6dd (patch) | |
| tree | de0336218a8a2fb14209f997a38d58e7cf75de82 /include | |
| parent | d4adeff26c3e8f1a9bc86d5dfb14f227c9041070 (diff) | |
| download | linux-51a07ce2fefd061edf4ba552a741c85f07b3e6dd.tar.xz | |
IB/core: Add query_port_speed verb
Add new ibv_query_port_speed() verb to enable applications to query
the effective bandwidth of a port.
This verb is particularly useful when the speed is not a multiplication
of IB speed and width where width is 2^n.
Signed-off-by: Or Har-Toov <ohartoov@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Edward Srouji <edwards@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/rdma/ib_verbs.h | 2 | ||||
| -rw-r--r-- | include/uapi/rdma/ib_user_ioctl_cmds.h | 6 |
2 files changed, 8 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index b984f9581a73..a4786395328a 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -2418,6 +2418,8 @@ struct ib_device_ops { int comp_vector); int (*query_port)(struct ib_device *device, u32 port_num, struct ib_port_attr *port_attr); + int (*query_port_speed)(struct ib_device *device, u32 port_num, + u64 *speed); int (*modify_port)(struct ib_device *device, u32 port_num, int port_modify_mask, struct ib_port_modify *port_modify); diff --git a/include/uapi/rdma/ib_user_ioctl_cmds.h b/include/uapi/rdma/ib_user_ioctl_cmds.h index de6f5a94f1e3..35da4026f452 100644 --- a/include/uapi/rdma/ib_user_ioctl_cmds.h +++ b/include/uapi/rdma/ib_user_ioctl_cmds.h @@ -73,6 +73,7 @@ enum uverbs_methods_device { UVERBS_METHOD_QUERY_CONTEXT, UVERBS_METHOD_QUERY_GID_TABLE, UVERBS_METHOD_QUERY_GID_ENTRY, + UVERBS_METHOD_QUERY_PORT_SPEED, }; enum uverbs_attrs_invoke_write_cmd_attr_ids { @@ -86,6 +87,11 @@ enum uverbs_attrs_query_port_cmd_attr_ids { UVERBS_ATTR_QUERY_PORT_RESP, }; +enum uverbs_attrs_query_port_speed_cmd_attr_ids { + UVERBS_ATTR_QUERY_PORT_SPEED_PORT_NUM, + UVERBS_ATTR_QUERY_PORT_SPEED_RESP, +}; + enum uverbs_attrs_get_context_attr_ids { UVERBS_ATTR_GET_CONTEXT_NUM_COMP_VECTORS, UVERBS_ATTR_GET_CONTEXT_CORE_SUPPORT, |