From patchwork Mon Nov 9 19:39:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuck Lever III X-Patchwork-Id: 11892383 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9C13016C1 for ; Mon, 9 Nov 2020 19:39:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 760E4206D8 for ; Mon, 9 Nov 2020 19:39:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="rdfatSjt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730470AbgKITjf (ORCPT ); Mon, 9 Nov 2020 14:39:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54864 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729831AbgKITjf (ORCPT ); Mon, 9 Nov 2020 14:39:35 -0500 Received: from mail-qt1-x843.google.com (mail-qt1-x843.google.com [IPv6:2607:f8b0:4864:20::843]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3CE7BC0613CF; Mon, 9 Nov 2020 11:39:35 -0800 (PST) Received: by mail-qt1-x843.google.com with SMTP id t5so6882954qtp.2; Mon, 09 Nov 2020 11:39:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:from:to:date:message-id:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=dlaNl8psgDveUmc9otkF1XnarLugqrJ7ajs/WgVC65s=; b=rdfatSjtsDEoFMoy8KEt1MRlRjaJkIWUd3fmOcwAvN/97dhdgcjEKMNqMVRn+tVcgp 6Waa04oida43VWPuEMREeBD5TSSqKEignxQ3EwM/EDfK9q13Sbd/XfgIdoKIP1aJQMN9 sMJ5YgnhKiKmBvQ/oEP/1jUD1X0IEJAijrjaCdgh5KAI4YcIa6ogf0KD7SIsxvhBegO4 lTp72zWxKMmR0O4XHGvaini3B2PnApI4sUku5oXgyMGIM6kIn815q3Li1WwJqkHUQLIQ LZGRNxtuxTu3deKLnHh18/jInq/MOoNH67AqCbPOsDZ0nPOp9V55OTpLll67etKoEiip dqNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:from:to:date:message-id :in-reply-to:references:user-agent:mime-version :content-transfer-encoding; bh=dlaNl8psgDveUmc9otkF1XnarLugqrJ7ajs/WgVC65s=; b=JNrTk0HEEcM11NZ+obuaNfSNCgMD/wjjGK3XHeTD66UzsuKA/eYaPjeidiNetVGulf /DVJsnTubN7SMnDs+7XcBI+vXTFxx4KlOJVsryg9XIp3rEMulBEQCnJIoZl5rz8IVHiC HWYaVLBSqFXcz+5bBeTnVczYCHDbuXzkttkmYiWHuIY424lZ9sivX8l8wRXD5OtQjz5G 2IQTZRSXop8oyTSWvlr9RmOTM6KtZ1xutFluEFXw660KYMAce6fldDK8V+x4OjAm1Gd/ k1yP63ln+fNJpIVSRJNfCIrWEA2Ejsn0cVcZ/weHV0f8lMpja67l+PrEadf1rLOhVNeX Qirg== X-Gm-Message-State: AOAM532XbGEzcQeyC5l8zFV5N8WQFn0Tcx/bsPUYCCT+p8qnTHCcBqQh X9vDfoKJkUXVnFqIkoybsW19zYhMj7U= X-Google-Smtp-Source: ABdhPJxzwK+Bnqv3ZkQ4W0+d5LPrJKilFhmRRfEzPw0jrXyzwyChxQvMPCn8wJ8y0xNv/UOnmHIb9Q== X-Received: by 2002:ac8:59c9:: with SMTP id f9mr14014439qtf.85.1604950773967; Mon, 09 Nov 2020 11:39:33 -0800 (PST) Received: from gateway.1015granger.net (c-68-61-232-219.hsd1.mi.comcast.net. [68.61.232.219]) by smtp.gmail.com with ESMTPSA id h16sm6722130qka.47.2020.11.09.11.39.32 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 09 Nov 2020 11:39:33 -0800 (PST) Sender: Chuck Lever Received: from manet.1015granger.net (manet.1015granger.net [192.168.1.51]) by gateway.1015granger.net (8.14.7/8.14.7) with ESMTP id 0A9JdV5B021800; Mon, 9 Nov 2020 19:39:31 GMT Subject: [PATCH v1 04/13] xprtrdma: Introduce FRWR completion IDs From: Chuck Lever To: linux-nfs@vger.kernel.org, linux-rdma@vger.kernel.org Date: Mon, 09 Nov 2020 14:39:31 -0500 Message-ID: <160495077182.2072548.2905105620059977472.stgit@manet.1015granger.net> In-Reply-To: <160495073877.2072548.16070760241273615384.stgit@manet.1015granger.net> References: <160495073877.2072548.16070760241273615384.stgit@manet.1015granger.net> User-Agent: StGit/0.23-29-ga622f1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Set up a completion ID in each rpcrdma_frwr. The ID is used to match an incoming completion to a transport (CQ) and other MR-related activity. Signed-off-by: Chuck Lever --- include/trace/events/rpcrdma.h | 44 ++++----------------------------------- net/sunrpc/xprtrdma/frwr_ops.c | 29 ++++++++++++++++++++------ net/sunrpc/xprtrdma/xprt_rdma.h | 1 + 3 files changed, 27 insertions(+), 47 deletions(-) diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h index ab239f4f924e..9e30f8aa3562 100644 --- a/include/trace/events/rpcrdma.h +++ b/include/trace/events/rpcrdma.h @@ -261,41 +261,6 @@ DECLARE_EVENT_CLASS(xprtrdma_wrch_event, ), \ TP_ARGS(task, mr, nsegs)) -DECLARE_EVENT_CLASS(xprtrdma_frwr_done, - TP_PROTO( - const struct ib_wc *wc, - const struct rpcrdma_frwr *frwr - ), - - TP_ARGS(wc, frwr), - - TP_STRUCT__entry( - __field(u32, mr_id) - __field(unsigned int, status) - __field(unsigned int, vendor_err) - ), - - TP_fast_assign( - __entry->mr_id = frwr->fr_mr->res.id; - __entry->status = wc->status; - __entry->vendor_err = __entry->status ? wc->vendor_err : 0; - ), - - TP_printk( - "mr.id=%u: %s (%u/0x%x)", - __entry->mr_id, rdma_show_wc_status(__entry->status), - __entry->status, __entry->vendor_err - ) -); - -#define DEFINE_FRWR_DONE_EVENT(name) \ - DEFINE_EVENT(xprtrdma_frwr_done, name, \ - TP_PROTO( \ - const struct ib_wc *wc, \ - const struct rpcrdma_frwr *frwr \ - ), \ - TP_ARGS(wc, frwr)) - TRACE_DEFINE_ENUM(DMA_BIDIRECTIONAL); TRACE_DEFINE_ENUM(DMA_TO_DEVICE); TRACE_DEFINE_ENUM(DMA_FROM_DEVICE); @@ -850,11 +815,10 @@ TRACE_EVENT(xprtrdma_post_linv, DEFINE_COMPLETION_EVENT(xprtrdma_wc_receive); DEFINE_COMPLETION_EVENT(xprtrdma_wc_send); - -DEFINE_FRWR_DONE_EVENT(xprtrdma_wc_fastreg); -DEFINE_FRWR_DONE_EVENT(xprtrdma_wc_li); -DEFINE_FRWR_DONE_EVENT(xprtrdma_wc_li_wake); -DEFINE_FRWR_DONE_EVENT(xprtrdma_wc_li_done); +DEFINE_COMPLETION_EVENT(xprtrdma_wc_fastreg); +DEFINE_COMPLETION_EVENT(xprtrdma_wc_li); +DEFINE_COMPLETION_EVENT(xprtrdma_wc_li_wake); +DEFINE_COMPLETION_EVENT(xprtrdma_wc_li_done); TRACE_EVENT(xprtrdma_frwr_alloc, TP_PROTO( diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c index 44888f5badef..2cc6862a52dc 100644 --- a/net/sunrpc/xprtrdma/frwr_ops.c +++ b/net/sunrpc/xprtrdma/frwr_ops.c @@ -363,12 +363,21 @@ static void frwr_wc_fastreg(struct ib_cq *cq, struct ib_wc *wc) container_of(cqe, struct rpcrdma_frwr, fr_cqe); /* WARNING: Only wr_cqe and status are reliable at this point */ - trace_xprtrdma_wc_fastreg(wc, frwr); + trace_xprtrdma_wc_fastreg(wc, &frwr->fr_cid); /* The MR will get recycled when the associated req is retransmitted */ rpcrdma_flush_disconnect(cq->cq_context, wc); } +static void frwr_cid_init(struct rpcrdma_ep *ep, + struct rpcrdma_frwr *frwr) +{ + struct rpc_rdma_cid *cid = &frwr->fr_cid; + + cid->ci_queue_id = ep->re_attr.send_cq->res.id; + cid->ci_completion_id = frwr->fr_mr->res.id; +} + /** * frwr_send - post Send WRs containing the RPC Call message * @r_xprt: controlling transport instance @@ -385,6 +394,7 @@ static void frwr_wc_fastreg(struct ib_cq *cq, struct ib_wc *wc) */ int frwr_send(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) { + struct rpcrdma_ep *ep = r_xprt->rx_ep; struct ib_send_wr *post_wr; struct rpcrdma_mr *mr; @@ -395,6 +405,7 @@ int frwr_send(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) frwr = &mr->frwr; frwr->fr_cqe.done = frwr_wc_fastreg; + frwr_cid_init(ep, frwr); frwr->fr_regwr.wr.next = post_wr; frwr->fr_regwr.wr.wr_cqe = &frwr->fr_cqe; frwr->fr_regwr.wr.num_sge = 0; @@ -404,7 +415,7 @@ int frwr_send(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) post_wr = &frwr->fr_regwr.wr; } - return ib_post_send(r_xprt->rx_ep->re_id->qp, post_wr, NULL); + return ib_post_send(ep->re_id->qp, post_wr, NULL); } /** @@ -448,7 +459,7 @@ static void frwr_wc_localinv(struct ib_cq *cq, struct ib_wc *wc) struct rpcrdma_mr *mr = container_of(frwr, struct rpcrdma_mr, frwr); /* WARNING: Only wr_cqe and status are reliable at this point */ - trace_xprtrdma_wc_li(wc, frwr); + trace_xprtrdma_wc_li(wc, &frwr->fr_cid); __frwr_release_mr(wc, mr); rpcrdma_flush_disconnect(cq->cq_context, wc); @@ -469,7 +480,7 @@ static void frwr_wc_localinv_wake(struct ib_cq *cq, struct ib_wc *wc) struct rpcrdma_mr *mr = container_of(frwr, struct rpcrdma_mr, frwr); /* WARNING: Only wr_cqe and status are reliable at this point */ - trace_xprtrdma_wc_li_wake(wc, frwr); + trace_xprtrdma_wc_li_wake(wc, &frwr->fr_cid); __frwr_release_mr(wc, mr); complete(&frwr->fr_linv_done); @@ -490,6 +501,7 @@ static void frwr_wc_localinv_wake(struct ib_cq *cq, struct ib_wc *wc) void frwr_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) { struct ib_send_wr *first, **prev, *last; + struct rpcrdma_ep *ep = r_xprt->rx_ep; const struct ib_send_wr *bad_wr; struct rpcrdma_frwr *frwr; struct rpcrdma_mr *mr; @@ -509,6 +521,7 @@ void frwr_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) frwr = &mr->frwr; frwr->fr_cqe.done = frwr_wc_localinv; + frwr_cid_init(ep, frwr); last = &frwr->fr_invwr; last->next = NULL; last->wr_cqe = &frwr->fr_cqe; @@ -534,7 +547,7 @@ void frwr_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) * unless re_id->qp is a valid pointer. */ bad_wr = NULL; - rc = ib_post_send(r_xprt->rx_ep->re_id->qp, first, &bad_wr); + rc = ib_post_send(ep->re_id->qp, first, &bad_wr); /* The final LOCAL_INV WR in the chain is supposed to * do the wake. If it was never posted, the wake will @@ -574,7 +587,7 @@ static void frwr_wc_localinv_done(struct ib_cq *cq, struct ib_wc *wc) struct rpcrdma_rep *rep = mr->mr_req->rl_reply; /* WARNING: Only wr_cqe and status are reliable at this point */ - trace_xprtrdma_wc_li_done(wc, frwr); + trace_xprtrdma_wc_li_done(wc, &frwr->fr_cid); __frwr_release_mr(wc, mr); /* Ensure @rep is generated before __frwr_release_mr */ @@ -597,6 +610,7 @@ static void frwr_wc_localinv_done(struct ib_cq *cq, struct ib_wc *wc) void frwr_unmap_async(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) { struct ib_send_wr *first, *last, **prev; + struct rpcrdma_ep *ep = r_xprt->rx_ep; const struct ib_send_wr *bad_wr; struct rpcrdma_frwr *frwr; struct rpcrdma_mr *mr; @@ -614,6 +628,7 @@ void frwr_unmap_async(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) frwr = &mr->frwr; frwr->fr_cqe.done = frwr_wc_localinv; + frwr_cid_init(ep, frwr); last = &frwr->fr_invwr; last->next = NULL; last->wr_cqe = &frwr->fr_cqe; @@ -639,7 +654,7 @@ void frwr_unmap_async(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req) * unless re_id->qp is a valid pointer. */ bad_wr = NULL; - rc = ib_post_send(r_xprt->rx_ep->re_id->qp, first, &bad_wr); + rc = ib_post_send(ep->re_id->qp, first, &bad_wr); if (!rc) return; diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index 4eb8e32b9f4a..cef9d0f2e2c8 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -231,6 +231,7 @@ struct rpcrdma_sendctx { struct rpcrdma_frwr { struct ib_mr *fr_mr; struct ib_cqe fr_cqe; + struct rpc_rdma_cid fr_cid; struct completion fr_linv_done; union { struct ib_reg_wr fr_regwr;