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charset="utf-8" Read the rcq_sign_bit from the RDMA LIF identity reported by firmware. Signed-off-by: Abhijit Gangurde --- drivers/net/ethernet/pensando/ionic/ionic_if.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/pensando/ionic/ionic_if.h b/drivers/net/e= thernet/pensando/ionic/ionic_if.h index 23d6e2b4791e..b97de96f78c4 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_if.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_if.h @@ -553,6 +553,8 @@ enum ionic_lif_rdma_cap_stats { * @rdma.eq_qtype: RDMA Event Qtype * @rdma.stats_type: Supported statistics type * (enum ionic_lif_rdma_cap_stats) + * @rdma.rsvd: Reserved byte + * @rdma.rcq_sign_bit: RCQ sign bit * @rdma.rsvd1: Reserved byte(s) * @words: word access to struct contents */ @@ -598,7 +600,9 @@ union ionic_lif_identity { struct ionic_lif_logical_qtype cq_qtype; struct ionic_lif_logical_qtype eq_qtype; __le16 stats_type; - u8 rsvd1[162]; + u8 rsvd; + u8 rcq_sign_bit; + u8 rsvd1[160]; } __packed rdma; } __packed; __le32 words[478]; --=20 2.43.0 From nobody Tue Jun 16 15:55:56 2026 Received: from BL0PR03CU003.outbound.protection.outlook.com (mail-eastusazon11012065.outbound.protection.outlook.com [52.101.53.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9BB51399351; 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charset="utf-8" Expose the Reorder Completion Queue (RCQ) capability to userspace via ucontext response and allow userspace to specify ionic specific QP flags during QP creation. Co-developed-by: Allen Hubbe Signed-off-by: Allen Hubbe Signed-off-by: Abhijit Gangurde --- drivers/infiniband/hw/ionic/ionic_controlpath.c | 11 +++++++---- drivers/infiniband/hw/ionic/ionic_fw.h | 2 ++ drivers/infiniband/hw/ionic/ionic_lif_cfg.c | 1 + drivers/infiniband/hw/ionic/ionic_lif_cfg.h | 1 + include/uapi/rdma/ionic-abi.h | 4 +++- 5 files changed, 14 insertions(+), 5 deletions(-) diff --git a/drivers/infiniband/hw/ionic/ionic_controlpath.c b/drivers/infi= niband/hw/ionic/ionic_controlpath.c index db18c315cc21..83e80ab6a254 100644 --- a/drivers/infiniband/hw/ionic/ionic_controlpath.c +++ b/drivers/infiniband/hw/ionic/ionic_controlpath.c @@ -408,6 +408,7 @@ int ionic_alloc_ucontext(struct ib_ucontext *ibctx, str= uct ib_udata *udata) =20 resp.udma_count =3D dev->lif_cfg.udma_count; resp.expdb_mask =3D dev->lif_cfg.expdb_mask; + resp.rcq_sign_bit =3D dev->lif_cfg.rcq_sign_bit; =20 if (dev->lif_cfg.sq_expdb) resp.expdb_qtypes |=3D IONIC_EXPDB_SQ; @@ -1324,7 +1325,8 @@ static int ionic_create_qp_cmd(struct ionic_ibdev *de= v, struct ionic_qp *qp, struct ionic_tbl_buf *sq_buf, struct ionic_tbl_buf *rq_buf, - struct ib_qp_init_attr *attr) + struct ib_qp_init_attr *attr, + u32 ionic_flags) { const u16 dbid =3D ionic_obj_dbid(dev, pd->ibpd.uobject); const u32 flags =3D to_ionic_qp_flags(0, 0, @@ -1340,7 +1342,8 @@ static int ionic_create_qp_cmd(struct ionic_ibdev *de= v, .len =3D cpu_to_le16(IONIC_ADMIN_CREATE_QP_IN_V1_LEN), .cmd.create_qp =3D { .pd_id =3D cpu_to_le32(pd->pdid), - .priv_flags =3D cpu_to_be32(flags), + .priv_flags =3D cpu_to_be32(flags | + (ionic_flags & IONIC_QP_USER_FLAGS_MASK)), .type_state =3D to_ionic_qp_type(attr->qp_type), .dbid_flags =3D cpu_to_le16(dbid), .id_ver =3D cpu_to_le32(qp->qpid), @@ -2154,7 +2157,7 @@ int ionic_create_qp(struct ib_qp *ibqp, struct ib_qp_= init_attr *attr, int rc; =20 if (udata) { - rc =3D ib_copy_validate_udata_in(udata, req, rsvd); + rc =3D ib_copy_validate_udata_in(udata, req, ionic_flags); if (rc) return rc; } else { @@ -2237,7 +2240,7 @@ int ionic_create_qp(struct ib_qp *ibqp, struct ib_qp_= init_attr *attr, rc =3D ionic_create_qp_cmd(dev, pd, to_ionic_vcq_cq(attr->send_cq, qp->udma_idx), to_ionic_vcq_cq(attr->recv_cq, qp->udma_idx), - qp, &sq_buf, &rq_buf, attr); + qp, &sq_buf, &rq_buf, attr, req.ionic_flags); if (rc) goto err_cmd; =20 diff --git a/drivers/infiniband/hw/ionic/ionic_fw.h b/drivers/infiniband/hw= /ionic/ionic_fw.h index adfbb89d856c..4c6752bfb1de 100644 --- a/drivers/infiniband/hw/ionic/ionic_fw.h +++ b/drivers/infiniband/hw/ionic/ionic_fw.h @@ -105,6 +105,8 @@ enum ionic_qp_flags { IONIC_QPF_SQ_CMB =3D BIT(13), IONIC_QPF_RQ_CMB =3D BIT(14), IONIC_QPF_PRIVILEGED =3D BIT(15), + + IONIC_QP_USER_FLAGS_MASK =3D GENMASK(31, 16), }; =20 static inline int from_ionic_qp_flags(int flags) diff --git a/drivers/infiniband/hw/ionic/ionic_lif_cfg.c b/drivers/infiniba= nd/hw/ionic/ionic_lif_cfg.c index f3cd281c3a2f..a9044f47c913 100644 --- a/drivers/infiniband/hw/ionic/ionic_lif_cfg.c +++ b/drivers/infiniband/hw/ionic/ionic_lif_cfg.c @@ -84,6 +84,7 @@ void ionic_fill_lif_cfg(struct ionic_lif *lif, struct ion= ic_lif_cfg *cfg) cfg->udma_count =3D 2; =20 cfg->max_stride =3D ident->rdma.max_stride; + cfg->rcq_sign_bit =3D ident->rdma.rcq_sign_bit; cfg->expdb_mask =3D ionic_get_expdb(lif); =20 cfg->sq_expdb =3D diff --git a/drivers/infiniband/hw/ionic/ionic_lif_cfg.h b/drivers/infiniba= nd/hw/ionic/ionic_lif_cfg.h index 20853429f623..e6b17055147f 100644 --- a/drivers/infiniband/hw/ionic/ionic_lif_cfg.h +++ b/drivers/infiniband/hw/ionic/ionic_lif_cfg.h @@ -56,6 +56,7 @@ struct ionic_lif_cfg { bool sq_expdb; bool rq_expdb; u8 expdb_mask; + u8 rcq_sign_bit; }; =20 void ionic_fill_lif_cfg(struct ionic_lif *lif, struct ionic_lif_cfg *cfg); diff --git a/include/uapi/rdma/ionic-abi.h b/include/uapi/rdma/ionic-abi.h index 7b589d3e9728..729cea3ccd56 100644 --- a/include/uapi/rdma/ionic-abi.h +++ b/include/uapi/rdma/ionic-abi.h @@ -46,8 +46,9 @@ struct ionic_ctx_resp { __u8 udma_count; __u8 expdb_mask; __u8 expdb_qtypes; + __u8 rcq_sign_bit; =20 - __u8 rsvd2[3]; + __u8 rsvd2[2]; }; =20 struct ionic_qdesc { @@ -84,6 +85,7 @@ struct ionic_qp_req { __u8 rq_cmb; __u8 udma_mask; __u8 rsvd[3]; + __u32 ionic_flags; }; =20 struct ionic_qp_resp { --=20 2.43.0