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IB/uverbs: Expose XRQ capabilities 

Make XRQ capabilities available via ibv_query_device() verb.

Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Reviewed-by: Yossi Itigin <yosefe@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
zero-colors
Artemy Kovalyov 2017-08-17 15:52:08 +03:00 committed by Doug Ledford
parent 38eb44fac7
commit 8d50505ada
2 changed files with 25 additions and 0 deletions
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10
drivers/infiniband/core/uverbs_cmd.c
View File

@ -3868,6 +3868,16 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file,
resp.raw_packet_caps = attr.raw_packet_caps;
resp.response_length += sizeof(resp.raw_packet_caps);
if (ucore->outlen < resp.response_length + sizeof(resp.xrq_caps))
goto end;
resp.xrq_caps.max_rndv_hdr_size = attr.xrq_caps.max_rndv_hdr_size;
resp.xrq_caps.max_num_tags = attr.xrq_caps.max_num_tags;
resp.xrq_caps.max_ops = attr.xrq_caps.max_ops;
resp.xrq_caps.max_sge = attr.xrq_caps.max_sge;
resp.xrq_caps.flags = attr.xrq_caps.flags;
resp.response_length += sizeof(resp.xrq_caps);
end:
err = ib_copy_to_udata(ucore, &resp, resp.response_length);
return err;

15
include/uapi/rdma/ib_user_verbs.h
View File

@ -236,6 +236,20 @@ struct ib_uverbs_rss_caps {
__u32 reserved;
};
struct ib_uverbs_tm_caps {
/* Max size of rendezvous request message */
__u32 max_rndv_hdr_size;
/* Max number of entries in tag matching list */
__u32 max_num_tags;
/* TM flags */
__u32 flags;
/* Max number of outstanding list operations */
__u32 max_ops;
/* Max number of SGE in tag matching entry */
__u32 max_sge;
__u32 reserved;
};
struct ib_uverbs_ex_query_device_resp {
struct ib_uverbs_query_device_resp base;
__u32 comp_mask;
@ -247,6 +261,7 @@ struct ib_uverbs_ex_query_device_resp {
struct ib_uverbs_rss_caps rss_caps;
__u32 max_wq_type_rq;
__u32 raw_packet_caps;
struct ib_uverbs_tm_caps xrq_caps;
};
struct ib_uverbs_query_port {