From patchwork Wed May 13 11:31:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Melnychenko X-Patchwork-Id: 282878 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=-9.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 49AF9C2D0FA for ; Wed, 13 May 2020 11:07:37 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 17E8D20740 for ; Wed, 13 May 2020 11:07:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=daynix-com.20150623.gappssmtp.com header.i=@daynix-com.20150623.gappssmtp.com header.b="ZdCui0vU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 17E8D20740 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=daynix.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:45636 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jYpEe-0003CY-8E for qemu-devel@archiver.kernel.org; Wed, 13 May 2020 07:07:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54194) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jYpAk-0006cv-42 for qemu-devel@nongnu.org; Wed, 13 May 2020 07:03:34 -0400 Received: from mail-lj1-x22b.google.com ([2a00:1450:4864:20::22b]:41355) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jYpAh-0002Uy-TP for qemu-devel@nongnu.org; Wed, 13 May 2020 07:03:33 -0400 Received: by mail-lj1-x22b.google.com with SMTP id j3so17250885ljg.8 for ; Wed, 13 May 2020 04:03:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=daynix-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=2j5Ly7B4QEkKhIFgs8Zvw/iU8lv07rrrXczgDV4BzvY=; b=ZdCui0vUwWpZ/z3j8fuPlk79W5KHlweyi/tZ+xapLNt2JA+GLAhV60vUF/picQgREE JowfmdDAEscwXJjos0profgJvpSZHMQCiE+o+k9DLP9C6m/aoFqk2K01u6VZ/wXc+iKq WFh5yAStT55FH8YkLYMTPkEohWe1WHtyzfNMp4XVHcsu2E+jyDb8WxqMUsC0DjblsY18 kcVJXb9tt8/1c10rPnfjVMsyzWXB2Xno13VnFYwPsZStRmHBlkIL3ZRiwqxNH/2thI8M IKHqO63Ob71MXKCmRdni6OfBF1ck14B071SQ5qfzd/3BpUhj2Wu+0Ds0NyR+RqTZQV6J Unhg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=2j5Ly7B4QEkKhIFgs8Zvw/iU8lv07rrrXczgDV4BzvY=; b=q1lLFTDYSL+oHIzqu+AQkVuN6FHxSlZLkUn+RrjKdlyiULC4LCSnc/rpmH0AotUvv1 l7ijWJWBXB1pgbziRCtU9kIKwl2zj9HEz3BiBkF6QtKiIm6R2EmA0ZjAbbQzMYSbv64C F4tvVO32CjXXDMqxxBxLiDVdeu9pR+yHFU1KC4erGPk99McNUCRMVH1NExXJXWRCchGs eqE2erwLkJX0MKdOR32/O+5HmWugSWLcKRX06Jvgnr+REahJDoAA4Em0XFoa13Stx3vi 9o3RSrqDh7lLg6mdfajeWbKelaYcRlRQND8GOHnUdDogStp9LlXGCRvPH+Y1iAiQgwsT 9mPw== X-Gm-Message-State: AOAM530MaYeuzcb8SBkobuwA8RbTjlzW167r41YPl2zrkjLMN0pVKPXi D/34mCtb25OMRQVjTqnXEKHt+nEaVxDieQ== X-Google-Smtp-Source: ABdhPJyPMClqem9jUToFXHTYDV1qO3aPCECH3I0Crkp+5gLkSoGBB709Lu6D1ZScCPXJplAEhFyB9Q== X-Received: by 2002:a2e:740f:: with SMTP id p15mr16975590ljc.151.1589367809782; Wed, 13 May 2020 04:03:29 -0700 (PDT) Received: from navi.cosmonova.net.ua ([95.67.24.131]) by smtp.gmail.com with ESMTPSA id s4sm12045991lja.14.2020.05.13.04.03.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 May 2020 04:03:29 -0700 (PDT) From: andrew@daynix.com To: qemu-devel@nongnu.org Subject: [PATCH 1/1] e1000e: Added ICR clearing by corresponding IMS bit. Date: Wed, 13 May 2020 14:31:25 +0300 Message-Id: <20200513113125.1465650-2-andrew@daynix.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200513113125.1465650-1-andrew@daynix.com> References: <20200513113125.1465650-1-andrew@daynix.com> MIME-Version: 1.0 Received-SPF: none client-ip=2a00:1450:4864:20::22b; envelope-from=andrew@daynix.com; helo=mail-lj1-x22b.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jasowang@redhat.com, dmitry.fleytman@gmail.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Andrew Melnychenko Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1707441 Added ICR clearing if there is IMS bit - according to the note by section 13.3.27 of the 8257X developers manual. Signed-off-by: Andrew Melnychenko --- hw/net/e1000e_core.c | 10 ++++++++++ hw/net/trace-events | 1 + 2 files changed, 11 insertions(+) diff --git a/hw/net/e1000e_core.c b/hw/net/e1000e_core.c index d5676871fa..10212d7932 100644 --- a/hw/net/e1000e_core.c +++ b/hw/net/e1000e_core.c @@ -2624,6 +2624,16 @@ e1000e_mac_icr_read(E1000ECore *core, int index) e1000e_clear_ims_bits(core, core->mac[IAM]); } + /* + * PCIe* GbE Controllers Open Source Software Developer's Manual + * 13.3.27 Interrupt Cause Read Register + */ + if ((core->mac[ICR] & E1000_ICR_ASSERTED) && + (core->mac[ICR] & core->mac[IMS])) { + trace_e1000e_irq_icr_clear_icr_bit_ims(core->mac[ICR], core->mac[IMS]); + core->mac[ICR] = 0; + } + trace_e1000e_irq_icr_read_exit(core->mac[ICR]); e1000e_update_interrupt_state(core); return ret; diff --git a/hw/net/trace-events b/hw/net/trace-events index e18f883cfd..46e40fcfa9 100644 --- a/hw/net/trace-events +++ b/hw/net/trace-events @@ -237,6 +237,7 @@ e1000e_irq_icr_read_entry(uint32_t icr) "Starting ICR read. Current ICR: 0x%x" e1000e_irq_icr_read_exit(uint32_t icr) "Ending ICR read. Current ICR: 0x%x" e1000e_irq_icr_clear_zero_ims(void) "Clearing ICR on read due to zero IMS" e1000e_irq_icr_clear_iame(void) "Clearing ICR on read due to IAME" +e1000e_irq_icr_clear_icr_bit_ims(uint32_t icr, uint32_t ims) "Clearing ICR on read due corresponding IMS bit: 0x%x & 0x%x" e1000e_irq_iam_clear_eiame(uint32_t iam, uint32_t cause) "Clearing IMS due to EIAME, IAM: 0x%X, cause: 0x%X" e1000e_irq_icr_clear_eiac(uint32_t icr, uint32_t eiac) "Clearing ICR bits due to EIAC, ICR: 0x%X, EIAC: 0x%X" e1000e_irq_ims_clear_set_imc(uint32_t val) "Clearing IMS bits due to IMC write 0x%x"