From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leon Romanovsky Subject: [PATCH rdma-next 05/10] IB/uverbs: Expose XRQ capabilities Date: Sun, 28 Aug 2016 14:00:45 +0300 Message-ID: <1472382050-25908-6-git-send-email-leon@kernel.org> References: <1472382050-25908-1-git-send-email-leon@kernel.org> Return-path: In-Reply-To: <1472382050-25908-1-git-send-email-leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Artemy Kovalyov List-Id: linux-rdma@vger.kernel.org From: Artemy Kovalyov Make XRQ capabilities available via ibv_query_device() verb. Signed-off-by: Artemy Kovalyov Signed-off-by: Leon Romanovsky --- drivers/infiniband/core/uverbs_cmd.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index e1fb1cd..548d4b4 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -4173,6 +4173,17 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file, resp.device_cap_flags_ex = attr.device_cap_flags; resp.response_length += sizeof(resp.device_cap_flags_ex); + + if (ucore->outlen < resp.response_length + sizeof(resp.xrq_caps)) + goto end; + + resp.xrq_caps.max_unexpected_tags = attr.xrq_caps.max_unexpected_tags; + resp.xrq_caps.tag_mask_length = attr.xrq_caps.tag_mask_length; + resp.xrq_caps.header_size = attr.xrq_caps.header_size; + resp.xrq_caps.app_context_size = attr.xrq_caps.app_context_size; + resp.xrq_caps.max_match_list = attr.xrq_caps.max_match_list; + resp.xrq_caps.capability_flags = attr.xrq_caps.capability_flags; + resp.response_length += sizeof(resp.xrq_caps); end: err = ib_copy_to_udata(ucore, &resp, resp.response_length); return err; -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html