From patchwork Mon Dec 4 23:02:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: longli@linuxonhyperv.com X-Patchwork-Id: 173592 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:bcd1:0:b0:403:3b70:6f57 with SMTP id r17csp3090119vqy; Mon, 4 Dec 2023 15:03:33 -0800 (PST) X-Google-Smtp-Source: AGHT+IEu5JeGKmGz80a840fmrfK3UPI2ythRuzvJP56aVy/Gwrz841r+mu5NGEacdESs+7MfsdLt X-Received: by 2002:a17:902:bb8c:b0:1d0:700b:3f8a with SMTP id m12-20020a170902bb8c00b001d0700b3f8amr467092pls.68.1701731013643; Mon, 04 Dec 2023 15:03:33 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1701731013; cv=none; d=google.com; s=arc-20160816; b=CBvfynp57b4Nz1YonAjB4WAAfzVe2q/esOQFE6TZiBjgRaR6XAjqBoQEipZxaLNjxo LSl6pF7b5uN+cZ2u8KjE5gjmsVbTT7eeHQ/JBDwCLlqaeZ/uWguw0AwDHAWb8XuF/uph lLRLUEJZGkuVt/7V4FdOg0z+DTCntveIgyhjZfIGw1GvtG54mSrgviX9CQSGPiaUQseQ p+VrO6a0q/jpNL7J/Nvq9ZWD36dzewCEIBI8ds9kTB8wLBfavG0TRXYRj96etyXGdRqi j1zMVbugN53MIhzratDEnCRnUYyTEiQL+TiOY1xLR5R6n2mfFISjUJgBT+x2/SERCRPl 6YBg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:references:in-reply-to:message-id:date:subject :cc:to:from:dkim-signature:dkim-filter; bh=KZ53rh4Ej3x/cVSA+BR5/VypWc8KvcoOEKi9H+/nGFg=; fh=uNLUDd9eMsTSVEvEY0MjopzAsOI0Sfr5Wvsh0Zza+hA=; b=DWZ60BiG9yq9Ep5iS2I9Lz+4l1A+Sqawq8/aeSz+KHWIJ0qoj/V4mhqrVIeNQnBx1P UsbsWWB6aR0sEK6ttckd7IxcSUICtLtaLbai0v+I9FzkIkFk9yraA27lddzOISy0Hhe9 KRv0OWOUDiAAJNfzWO6SAy8wTRPtDTD44zZvRNmxzxPUTZOuWS0wYZc8lwtcATmFlK+4 Xn3dFzFyQ589tJkBXNilsDiKkj1SV6GDtPP9949CQaOz4Ny2FD7ep5qgqnn5EgVKr7JM QkXta0o/5HZ4L+73n4kpoqSE2pyKDQekTEJJMAzA6krQsJjBMst45FsK/Ku5IpeCtDgr jTBw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxonhyperv.com header.s=default header.b=gaZ4faCY; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:1 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxonhyperv.com Received: from morse.vger.email (morse.vger.email. [2620:137:e000::3:1]) by mx.google.com with ESMTPS id m34-20020a634c62000000b005b21d089aa7si8690723pgl.788.2023.12.04.15.03.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Dec 2023 15:03:33 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:1 as permitted sender) client-ip=2620:137:e000::3:1; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxonhyperv.com header.s=default header.b=gaZ4faCY; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:1 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxonhyperv.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by morse.vger.email (Postfix) with ESMTP id EFE268079B14; Mon, 4 Dec 2023 15:03:29 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at morse.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234505AbjLDXDV (ORCPT + 99 others); Mon, 4 Dec 2023 18:03:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50588 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231528AbjLDXDT (ORCPT ); Mon, 4 Dec 2023 18:03:19 -0500 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B0050D5; Mon, 4 Dec 2023 15:03:24 -0800 (PST) Received: by linux.microsoft.com (Postfix, from userid 1004) id 116E320B74C1; Mon, 4 Dec 2023 15:03:24 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 116E320B74C1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxonhyperv.com; s=default; t=1701731004; bh=KZ53rh4Ej3x/cVSA+BR5/VypWc8KvcoOEKi9H+/nGFg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gaZ4faCYy2T47o9n4gTUOZQ5W0GQrfhoITESrVFaJ2bm4Sw7xFjXvnjjj34QHyZu7 ygqbJnhW/GuhDg6m/1bwK1n6qpffyK8C4F7D27eFFnO75Ee2BQ1U05+K4ikqdVnhe6 7GdMeYlzeNgIUvpr/wybnEE0zyhKMInhRKcfXBUM= From: longli@linuxonhyperv.com To: Jason Gunthorpe , Leon Romanovsky , Ajay Sharma , Dexuan Cui , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: linux-rdma@vger.kernel.org, linux-hyperv@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Long Li Subject: [Patch v2 2/3] RDMA/mana_ib: query device capabilities Date: Mon, 4 Dec 2023 15:02:58 -0800 Message-Id: <1701730979-1148-3-git-send-email-longli@linuxonhyperv.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1701730979-1148-1-git-send-email-longli@linuxonhyperv.com> References: <1701730979-1148-1-git-send-email-longli@linuxonhyperv.com> X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (morse.vger.email [0.0.0.0]); Mon, 04 Dec 2023 15:03:30 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1784394298894356495 X-GMAIL-MSGID: 1784394298894356495 From: Long Li With RDMA device registered, use it to query on hardware capabilities and cache this information for future query requests to the driver. Signed-off-by: Long Li --- drivers/infiniband/hw/mana/cq.c | 2 +- drivers/infiniband/hw/mana/device.c | 7 +++ drivers/infiniband/hw/mana/main.c | 65 ++++++++++++++++++++++------ drivers/infiniband/hw/mana/mana_ib.h | 50 +++++++++++++++++++++ drivers/infiniband/hw/mana/qp.c | 4 +- include/net/mana/gdma.h | 1 + 6 files changed, 113 insertions(+), 16 deletions(-) diff --git a/drivers/infiniband/hw/mana/cq.c b/drivers/infiniband/hw/mana/cq.c index d141cab8a1e6..09a2c263e39b 100644 --- a/drivers/infiniband/hw/mana/cq.c +++ b/drivers/infiniband/hw/mana/cq.c @@ -26,7 +26,7 @@ int mana_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr, return err; } - if (attr->cqe > MAX_SEND_BUFFERS_PER_QUEUE) { + if (attr->cqe > mdev->adapter_caps.max_qp_wr) { ibdev_dbg(ibdev, "CQE %d exceeding limit\n", attr->cqe); return -EINVAL; } diff --git a/drivers/infiniband/hw/mana/device.c b/drivers/infiniband/hw/mana/device.c index fe025e13a45c..e9494172195b 100644 --- a/drivers/infiniband/hw/mana/device.c +++ b/drivers/infiniband/hw/mana/device.c @@ -85,6 +85,13 @@ static int mana_ib_probe(struct auxiliary_device *adev, } dev->gdma_dev = &mdev->gdma_context->mana_ib; + ret = mana_ib_query_adapter_caps(dev); + if (ret) { + ibdev_err(&dev->ib_dev, "Failed to query device caps, ret %d", + ret); + goto free_ib_device; + } + ret = ib_register_device(&dev->ib_dev, "mana_%d", mdev->gdma_context->dev); if (ret) diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c index 53730306ed9b..8d8f711121d2 100644 --- a/drivers/infiniband/hw/mana/main.c +++ b/drivers/infiniband/hw/mana/main.c @@ -486,20 +486,17 @@ int mana_ib_get_port_immutable(struct ib_device *ibdev, u32 port_num, int mana_ib_query_device(struct ib_device *ibdev, struct ib_device_attr *props, struct ib_udata *uhw) { - props->max_qp = MANA_MAX_NUM_QUEUES; - props->max_qp_wr = MAX_SEND_BUFFERS_PER_QUEUE; - - /* - * max_cqe could be potentially much bigger. - * As this version of driver only support RAW QP, set it to the same - * value as max_qp_wr - */ - props->max_cqe = MAX_SEND_BUFFERS_PER_QUEUE; - + struct mana_ib_dev *dev = container_of(ibdev, + struct mana_ib_dev, ib_dev); + + props->max_qp = dev->adapter_caps.max_qp_count; + props->max_qp_wr = dev->adapter_caps.max_qp_wr; + props->max_cq = dev->adapter_caps.max_cq_count; + props->max_cqe = dev->adapter_caps.max_qp_wr; + props->max_mr = dev->adapter_caps.max_mr_count; props->max_mr_size = MANA_IB_MAX_MR_SIZE; - props->max_mr = MANA_IB_MAX_MR; - props->max_send_sge = MAX_TX_WQE_SGL_ENTRIES; - props->max_recv_sge = MAX_RX_WQE_SGL_ENTRIES; + props->max_send_sge = dev->adapter_caps.max_send_sge_count; + props->max_recv_sge = dev->adapter_caps.max_recv_sge_count; return 0; } @@ -521,3 +518,45 @@ int mana_ib_query_gid(struct ib_device *ibdev, u32 port, int index, void mana_ib_disassociate_ucontext(struct ib_ucontext *ibcontext) { } + +int mana_ib_query_adapter_caps(struct mana_ib_dev *dev) +{ + struct mana_ib_adapter_caps *caps = &dev->adapter_caps; + struct mana_ib_query_adapter_caps_resp resp = {}; + struct mana_ib_query_adapter_caps_req req = {}; + int err; + + mana_gd_init_req_hdr(&req.hdr, MANA_IB_GET_ADAPTER_CAP, sizeof(req), + sizeof(resp)); + req.hdr.resp.msg_version = GDMA_MESSAGE_V3; + req.hdr.dev_id = dev->gdma_dev->dev_id; + + err = mana_gd_send_request(dev->gdma_dev->gdma_context, sizeof(req), + &req, sizeof(resp), &resp); + + if (err) { + ibdev_err(&dev->ib_dev, + "Failed to query adapter caps err %d", err); + return err; + } + + caps->max_sq_id = resp.max_sq_id; + caps->max_rq_id = resp.max_rq_id; + caps->max_cq_id = resp.max_cq_id; + caps->max_qp_count = resp.max_qp_count; + caps->max_cq_count = resp.max_cq_count; + caps->max_mr_count = resp.max_mr_count; + caps->max_pd_count = resp.max_pd_count; + caps->max_inbound_read_limit = resp.max_inbound_read_limit; + caps->max_outbound_read_limit = resp.max_outbound_read_limit; + caps->mw_count = resp.mw_count; + caps->max_srq_count = resp.max_srq_count; + caps->max_qp_wr = min_t(u32, + resp.max_requester_sq_size / GDMA_MAX_SQE_SIZE, + resp.max_requester_rq_size / GDMA_MAX_RQE_SIZE); + caps->max_inline_data_size = resp.max_inline_data_size; + caps->max_send_sge_count = resp.max_send_sge_count; + caps->max_recv_sge_count = resp.max_recv_sge_count; + + return 0; +} diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/mana/mana_ib.h index 502cc8672eef..7cb3d8ee4292 100644 --- a/drivers/infiniband/hw/mana/mana_ib.h +++ b/drivers/infiniband/hw/mana/mana_ib.h @@ -27,9 +27,28 @@ */ #define MANA_IB_MAX_MR 0xFFFFFFu +struct mana_ib_adapter_caps { + u32 max_sq_id; + u32 max_rq_id; + u32 max_cq_id; + u32 max_qp_count; + u32 max_cq_count; + u32 max_mr_count; + u32 max_pd_count; + u32 max_inbound_read_limit; + u32 max_outbound_read_limit; + u32 mw_count; + u32 max_srq_count; + u32 max_qp_wr; + u32 max_send_sge_count; + u32 max_recv_sge_count; + u32 max_inline_data_size; +}; + struct mana_ib_dev { struct ib_device ib_dev; struct gdma_dev *gdma_dev; + struct mana_ib_adapter_caps adapter_caps; }; struct mana_ib_wq { @@ -92,6 +111,36 @@ struct mana_ib_rwq_ind_table { struct ib_rwq_ind_table ib_ind_table; }; +enum mana_ib_command_code { + MANA_IB_GET_ADAPTER_CAP = 0x30001, +}; + +struct mana_ib_query_adapter_caps_req { + struct gdma_req_hdr hdr; +}; /*HW Data */ + +struct mana_ib_query_adapter_caps_resp { + struct gdma_resp_hdr hdr; + u32 max_sq_id; + u32 max_rq_id; + u32 max_cq_id; + u32 max_qp_count; + u32 max_cq_count; + u32 max_mr_count; + u32 max_pd_count; + u32 max_inbound_read_limit; + u32 max_outbound_read_limit; + u32 mw_count; + u32 max_srq_count; + u32 max_requester_sq_size; + u32 max_responder_sq_size; + u32 max_requester_rq_size; + u32 max_responder_rq_size; + u32 max_send_sge_count; + u32 max_recv_sge_count; + u32 max_inline_data_size; +}; /* HW Data */ + int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem, mana_handle_t *gdma_region); @@ -159,4 +208,5 @@ int mana_ib_query_gid(struct ib_device *ibdev, u32 port, int index, void mana_ib_disassociate_ucontext(struct ib_ucontext *ibcontext); +int mana_ib_query_adapter_caps(struct mana_ib_dev *mdev); #endif diff --git a/drivers/infiniband/hw/mana/qp.c b/drivers/infiniband/hw/mana/qp.c index ae45d28eef5e..4667b18ec1dd 100644 --- a/drivers/infiniband/hw/mana/qp.c +++ b/drivers/infiniband/hw/mana/qp.c @@ -130,7 +130,7 @@ static int mana_ib_create_qp_rss(struct ib_qp *ibqp, struct ib_pd *pd, return ret; } - if (attr->cap.max_recv_wr > MAX_SEND_BUFFERS_PER_QUEUE) { + if (attr->cap.max_recv_wr > mdev->adapter_caps.max_qp_wr) { ibdev_dbg(&mdev->ib_dev, "Requested max_recv_wr %d exceeding limit\n", attr->cap.max_recv_wr); @@ -296,7 +296,7 @@ static int mana_ib_create_qp_raw(struct ib_qp *ibqp, struct ib_pd *ibpd, if (port < 1 || port > mc->num_ports) return -EINVAL; - if (attr->cap.max_send_wr > MAX_SEND_BUFFERS_PER_QUEUE) { + if (attr->cap.max_send_wr > mdev->adapter_caps.max_qp_wr) { ibdev_dbg(&mdev->ib_dev, "Requested max_send_wr %d exceeding limit\n", attr->cap.max_send_wr); diff --git a/include/net/mana/gdma.h b/include/net/mana/gdma.h index 000f0d7670f7..797971e2d5a5 100644 --- a/include/net/mana/gdma.h +++ b/include/net/mana/gdma.h @@ -150,6 +150,7 @@ struct gdma_general_req { #define GDMA_MESSAGE_V1 1 #define GDMA_MESSAGE_V2 2 +#define GDMA_MESSAGE_V3 3 struct gdma_general_resp { struct gdma_resp_hdr hdr;