From patchwork Wed May 22 08:24:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konstantin Taranov X-Patchwork-Id: 13670558 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 84FCA8061D; Wed, 22 May 2024 08:24:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716366249; cv=none; b=XDN3TDHpjm+tjass79Kehf1S2IuIdGughsNem3saZXySQ7Fy/WBz6PR0zBGdgt2NSK8fKzQWLRFvSjVhUUXaTJ+VCpRIkOyPHBbPcl/9Ex29IXywinh5TwpyR+VAzUy2xmjUwZ0ez6Ji9ruVIUeyzIgkkafYjOUHcaRXzFiv+IA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716366249; c=relaxed/simple; bh=97mNS073dQajsSPI6QcQZr9OEU0aslu26axwdq3uQ6w=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=f7t4mPiR83aIuE6uth4rms42Pc7qoLXZvJS0eOmKexiJ503qfZyvPAD7Gp1uneZdXQr5pnANtatUvGmYmrvodvcLmXUjVMe+rePcQXGdICKzOE+U7qbiBBOl7TmIyAl5BUEPTcbXJaGneSDq7KwYKm/mjIlXX0SUadOPq/cJpZg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=qwIHcxjD; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="qwIHcxjD" Received: from linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net (linux.microsoft.com [13.77.154.182]) by linux.microsoft.com (Postfix) with ESMTPSA id 4D9D220B9263; Wed, 22 May 2024 01:24:07 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 4D9D220B9263 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1716366247; bh=HyrbYDwCHC5gGfc/wxRrSSovKmYqFVYq+6T2+TwbUN0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qwIHcxjD3vNEjdlRLOwy1NZkmO5D9QN6GDMftyrYWF409V5/SC6JsDd36NyFJGZ2a nZaoudVK/W24ZRVFsq2PDr8Vj6hm/tIV/vbqirJYvnpLhG4kahj1EHGGIedDimgvAP avcq+3MyaoWUiSwaY/bfzI6T00OVOt12tpcEv82w= From: Konstantin Taranov To: kotaranov@microsoft.com, sharmaajay@microsoft.com, longli@microsoft.com, jgg@ziepe.ca, leon@kernel.org Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH rdma-next v3 3/3] RDMA/mana_ib: Modify QP state Date: Wed, 22 May 2024 01:24:02 -0700 Message-Id: <1716366242-558-4-git-send-email-kotaranov@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1716366242-558-1-git-send-email-kotaranov@linux.microsoft.com> References: <1716366242-558-1-git-send-email-kotaranov@linux.microsoft.com> Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: From: Konstantin Taranov Implement modify QP state for RC QPs. Signed-off-by: Konstantin Taranov Reviewed-by: Long Li --- drivers/infiniband/hw/mana/mana_ib.h | 37 ++++++++++++++ drivers/infiniband/hw/mana/qp.c | 72 +++++++++++++++++++++++++++- 2 files changed, 107 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/mana/mana_ib.h index 5cccbe397..d29dee7b5 100644 --- a/drivers/infiniband/hw/mana/mana_ib.h +++ b/drivers/infiniband/hw/mana/mana_ib.h @@ -140,6 +140,7 @@ enum mana_ib_command_code { MANA_IB_DESTROY_CQ = 0x30009, MANA_IB_CREATE_RC_QP = 0x3000a, MANA_IB_DESTROY_RC_QP = 0x3000b, + MANA_IB_SET_QP_STATE = 0x3000d, }; struct mana_ib_query_adapter_caps_req { @@ -286,6 +287,42 @@ struct mana_rnic_destroy_rc_qp_resp { struct gdma_resp_hdr hdr; }; /* HW Data */ +struct mana_ib_ah_attr { + u8 src_addr[16]; + u8 dest_addr[16]; + u8 src_mac[ETH_ALEN]; + u8 dest_mac[ETH_ALEN]; + u8 src_addr_type; + u8 dest_addr_type; + u8 hop_limit; + u8 traffic_class; + u16 src_port; + u16 dest_port; + u32 reserved; +}; + +struct mana_rnic_set_qp_state_req { + struct gdma_req_hdr hdr; + mana_handle_t adapter; + mana_handle_t qp_handle; + u64 attr_mask; + u32 qp_state; + u32 path_mtu; + u32 rq_psn; + u32 sq_psn; + u32 dest_qpn; + u32 max_dest_rd_atomic; + u32 retry_cnt; + u32 rnr_retry; + u32 min_rnr_timer; + u32 reserved; + struct mana_ib_ah_attr ah_attr; +}; /* HW Data */ + +struct mana_rnic_set_qp_state_resp { + struct gdma_resp_hdr hdr; +}; /* HW Data */ + static inline struct gdma_context *mdev_to_gc(struct mana_ib_dev *mdev) { return mdev->gdma_dev->gdma_context; diff --git a/drivers/infiniband/hw/mana/qp.c b/drivers/infiniband/hw/mana/qp.c index 7dbeba41b..34a93729d 100644 --- a/drivers/infiniband/hw/mana/qp.c +++ b/drivers/infiniband/hw/mana/qp.c @@ -491,11 +491,79 @@ int mana_ib_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *attr, return -EINVAL; } +static int mana_ib_gd_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, + int attr_mask, struct ib_udata *udata) +{ + struct mana_ib_dev *mdev = container_of(ibqp->device, struct mana_ib_dev, ib_dev); + struct mana_ib_qp *qp = container_of(ibqp, struct mana_ib_qp, ibqp); + struct mana_rnic_set_qp_state_resp resp = {}; + struct mana_rnic_set_qp_state_req req = {}; + struct gdma_context *gc = mdev_to_gc(mdev); + struct mana_port_context *mpc; + struct net_device *ndev; + int err; + + mana_gd_init_req_hdr(&req.hdr, MANA_IB_SET_QP_STATE, sizeof(req), sizeof(resp)); + req.hdr.dev_id = gc->mana_ib.dev_id; + req.adapter = mdev->adapter_handle; + req.qp_handle = qp->qp_handle; + req.qp_state = attr->qp_state; + req.attr_mask = attr_mask; + req.path_mtu = attr->path_mtu; + req.rq_psn = attr->rq_psn; + req.sq_psn = attr->sq_psn; + req.dest_qpn = attr->dest_qp_num; + req.max_dest_rd_atomic = attr->max_dest_rd_atomic; + req.retry_cnt = attr->retry_cnt; + req.rnr_retry = attr->rnr_retry; + req.min_rnr_timer = attr->min_rnr_timer; + if (attr_mask & IB_QP_AV) { + ndev = mana_ib_get_netdev(&mdev->ib_dev, ibqp->port); + if (!ndev) { + ibdev_dbg(&mdev->ib_dev, "Invalid port %u in QP %u\n", + ibqp->port, ibqp->qp_num); + return -EINVAL; + } + mpc = netdev_priv(ndev); + copy_in_reverse(req.ah_attr.src_mac, mpc->mac_addr, ETH_ALEN); + copy_in_reverse(req.ah_attr.dest_mac, attr->ah_attr.roce.dmac, ETH_ALEN); + copy_in_reverse(req.ah_attr.src_addr, attr->ah_attr.grh.sgid_attr->gid.raw, + sizeof(union ib_gid)); + copy_in_reverse(req.ah_attr.dest_addr, attr->ah_attr.grh.dgid.raw, + sizeof(union ib_gid)); + if (rdma_gid_attr_network_type(attr->ah_attr.grh.sgid_attr) == RDMA_NETWORK_IPV4) { + req.ah_attr.src_addr_type = SGID_TYPE_IPV4; + req.ah_attr.dest_addr_type = SGID_TYPE_IPV4; + } else { + req.ah_attr.src_addr_type = SGID_TYPE_IPV6; + req.ah_attr.dest_addr_type = SGID_TYPE_IPV6; + } + req.ah_attr.dest_port = ROCE_V2_UDP_DPORT; + req.ah_attr.src_port = rdma_get_udp_sport(attr->ah_attr.grh.flow_label, + ibqp->qp_num, attr->dest_qp_num); + req.ah_attr.traffic_class = attr->ah_attr.grh.traffic_class; + req.ah_attr.hop_limit = attr->ah_attr.grh.hop_limit; + } + + err = mana_gd_send_request(gc, sizeof(req), &req, sizeof(resp), &resp); + if (err) { + ibdev_err(&mdev->ib_dev, "Failed modify qp err %d", err); + return err; + } + + return 0; +} + int mana_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask, struct ib_udata *udata) { - /* modify_qp is not supported by this version of the driver */ - return -EOPNOTSUPP; + switch (ibqp->qp_type) { + case IB_QPT_RC: + return mana_ib_gd_modify_qp(ibqp, attr, attr_mask, udata); + default: + ibdev_dbg(ibqp->device, "Modify QP type %u not supported", ibqp->qp_type); + return -EOPNOTSUPP; + } } static int mana_ib_destroy_qp_rss(struct mana_ib_qp *qp,