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authorArtemy Kovalyov <artemyko@mellanox.com>2017-08-17 15:52:08 +0300
committerDoug Ledford <dledford@redhat.com>2017-08-29 15:30:18 +0300
commit8d50505ada728258fcdce99120b937ce68298c4e (patch)
treed6adbad9b8a5b3881ff783193033c95df84dcbdb /drivers
parent38eb44fac71729fabdef71166e72bee5964c10d6 (diff)
downloadlinux-8d50505ada728258fcdce99120b937ce68298c4e.tar.xz
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index e69038a07fa0..e0cb99860934 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -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;