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Commit 8d50505a authored by Artemy Kovalyov's avatar Artemy Kovalyov Committed by Doug Ledford
Browse files

IB/uverbs: Expose XRQ capabilities 



Make XRQ capabilities available via ibv_query_device() verb.

Signed-off-by: default avatarArtemy Kovalyov <artemyko@mellanox.com>
Reviewed-by: default avatarYossi Itigin <yosefe@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 38eb44fa

drivers/infiniband/core/uverbs_cmd.c

+10 −0
Original line number Original line Diff line number Diff line
@@ -3868,6 +3868,16 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file, 




	resp.raw_packet_caps = attr.raw_packet_caps;

	resp.raw_packet_caps = attr.raw_packet_caps;

	resp.response_length += sizeof(resp.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:

end:

	err = ib_copy_to_udata(ucore, &resp, resp.response_length);

	err = ib_copy_to_udata(ucore, &resp, resp.response_length);

	return err;

	return err;

include/uapi/rdma/ib_user_verbs.h

+15 −0
Original line number Original line Diff line number Diff line
@@ -236,6 +236,20 @@ struct ib_uverbs_rss_caps { 
	__u32 reserved;

	__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_ex_query_device_resp {

	struct ib_uverbs_query_device_resp base;

	struct ib_uverbs_query_device_resp base;

	__u32 comp_mask;

	__u32 comp_mask;
@@ -247,6 +261,7 @@ struct ib_uverbs_ex_query_device_resp { 
	struct ib_uverbs_rss_caps rss_caps;

	struct ib_uverbs_rss_caps rss_caps;

	__u32  max_wq_type_rq;

	__u32  max_wq_type_rq;

	__u32 raw_packet_caps;

	__u32 raw_packet_caps;

	struct ib_uverbs_tm_caps xrq_caps;

};

};





struct ib_uverbs_query_port {

struct ib_uverbs_query_port {