From 6938fc1ee07e54c057430005f8dcaccabce027c3 Mon Sep 17 00:00:00 2001 From: Artemy Kovalyov Date: Thu, 17 Aug 2017 15:52:03 +0300 Subject: IB/core: Add XRQ capabilities This patch adds following TM XRQ capabilities: * max_rndv_hdr_size - Max size of rendezvous request message * max_num_tags - Max number of entries in tag matching list * max_ops - Max number of outstanding list operations * max_sge - Max number of SGE in tag matching entry * flags - the following flags are currently defined: - IB_TM_CAP_RC - Support tag matching on RC transport Signed-off-by: Artemy Kovalyov Reviewed-by: Yossi Itigin Signed-off-by: Leon Romanovsky Signed-off-by: Doug Ledford --- include/rdma/ib_verbs.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'include/rdma') diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 355c7a328e0b..cab0bdcfad51 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -280,6 +280,24 @@ struct ib_rss_caps { u32 max_rwq_indirection_table_size; }; +enum ib_tm_cap_flags { + /* Support tag matching on RC transport */ + IB_TM_CAP_RC = 1 << 0, +}; + +struct ib_xrq_caps { + /* Max size of RNDV header */ + u32 max_rndv_hdr_size; + /* Max number of entries in tag matching list */ + u32 max_num_tags; + /* From enum ib_tm_cap_flags */ + u32 flags; + /* Max number of outstanding list operations */ + u32 max_ops; + /* Max number of SGE in tag matching entry */ + u32 max_sge; +}; + enum ib_cq_creation_flags { IB_CQ_FLAGS_TIMESTAMP_COMPLETION = 1 << 0, IB_CQ_FLAGS_IGNORE_OVERRUN = 1 << 1, @@ -340,6 +358,7 @@ struct ib_device_attr { struct ib_rss_caps rss_caps; u32 max_wq_type_rq; u32 raw_packet_caps; /* Use ib_raw_packet_caps enum */ + struct ib_xrq_caps xrq_caps; }; enum ib_mtu { -- cgit v1.2.3