From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE8ADC35247 for ; Wed, 5 Feb 2020 17:17:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9577821741 for ; Wed, 5 Feb 2020 17:17:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="SjedPgum" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727392AbgBERRk (ORCPT ); Wed, 5 Feb 2020 12:17:40 -0500 Received: from mail-pl1-f195.google.com ([209.85.214.195]:33874 "EHLO mail-pl1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726748AbgBERRj (ORCPT ); Wed, 5 Feb 2020 12:17:39 -0500 Received: by mail-pl1-f195.google.com with SMTP id j7so1146711plt.1 for ; Wed, 05 Feb 2020 09:17:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id; bh=fJZwWhExGC98e9aHuYaOiWB7cCCXGncBoKgbfkR3SFw=; b=SjedPgumfmxdG2Y8jo8GTe1H24QrbXTwewSQFkh3DXY7OSdTUVzu2vr2ig944LvCKH M6eQXMsToWaexKnLctEWeod30iTV7u1aKxTPnfDPtzceRrWorzfxdBkigS1SV6ac3pZ4 gu2pAm3A8rVVreHk9L1EnmE9YSQOtNguk6jiZh4TCjjAo6qRObJjzn7WIOi5Y0nejZkn dr8/itsNpKHdSZ8ehMcwU/4xiOdvyDn6RrdYSKSgrXc6CuajAhT+xBBuFfBDWXMF8u40 Q6EMqr0ptnj4NAgCoA7jCdeNtQlh++6gy8ef9G2eCRA1hyfb2ng7Npp90bL9YmkX8UOn q5TA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id; bh=fJZwWhExGC98e9aHuYaOiWB7cCCXGncBoKgbfkR3SFw=; b=cG/pC9pdVshnCeE0u9DUujV1/OrW7e0QXmn+MZ73Ww1b+BJxvUNcJeYaIXU3yn3mQ7 jqU4B43NvpZdAgG72cSfIdZgZEIXPfXZW9kiewKbVPuqGMntbL9h39YUyJlcAkLszF/V E7LMq6IkrssL/LnVU/trrCUFJ/4Ivkx5pGYZ/z/Sa68vIYaEJlNT/27uZbbQbcPphflA AnM5CKixd944ZRtUs8IJrWc2GtLqGD/OqCNs/zpn8Klo68vwmHfStdg2+S4wPtZ53adu 05j+cHu8cGqFKjGBGSesQ625i//DIzKSsVwy3Nqs0Kip1jSy9iRa89zKB18k0pVFBiqJ rBaQ== X-Gm-Message-State: APjAAAWN9WHKCM1oc9XQHIzj/8o/ZFLdjy4PFXYqkIb5aFmzfrdctVNI gkqDMbzBsfemRRgdr6opsvo= X-Google-Smtp-Source: APXvYqxH0nJXO08ERyK02TyfPI2orSn+Vdb/KXcqtJdehWeLJ2qvhsg99bhBdNdoC32dm0ash4cqGw== X-Received: by 2002:a17:902:8682:: with SMTP id g2mr35181161plo.336.1580923058663; Wed, 05 Feb 2020 09:17:38 -0800 (PST) Received: from emb-wallaby.amd.com ([165.204.156.251]) by smtp.gmail.com with ESMTPSA id l8sm357945pjy.24.2020.02.05.09.17.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Feb 2020 09:17:37 -0800 (PST) From: Arindam Nath To: Jon Mason , Dave Jiang , Allen Hubbe , Sanjay R Mehta Cc: linux-ntb@googlegroups.com, linux-kernel@vger.kernel.org, Arindam Nath Subject: [PATCH 0/4] ntb perf and ntb tool improvements Date: Wed, 5 Feb 2020 22:46:54 +0530 Message-Id: X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch series modifies the ntb perf code to have separate functions for CPU and DMA transfers. It also adds handling for -EAGAIN error code so that we re-try sending commands later. Fixes have been made to ntb_perf and ntb_tool to use 'struct device' associated with 'struct pci_dev' rather than 'struct ntb_dev'. The patches are based on Linus' tree, git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git Arindam Nath (2): ntb_perf: refactor code for CPU and DMA transfers ntb_perf: send command in response to EAGAIN Sanjay R Mehta (2): ntb_perf: pass correct struct device to dma_alloc_coherent ntb_tool: pass correct struct device to dma_alloc_coherent drivers/ntb/test/ntb_perf.c | 168 ++++++++++++++++++++++++++---------- drivers/ntb/test/ntb_tool.c | 6 +- 2 files changed, 126 insertions(+), 48 deletions(-) -- 2.17.1