From patchwork Mon Jun 29 20:31:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Klaus Jensen X-Patchwork-Id: 279087 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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=no 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 86694C433E1 for ; Mon, 29 Jun 2020 20:34:08 +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 5FD88206A5 for ; Mon, 29 Jun 2020 20:34:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5FD88206A5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=irrelevant.dk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:34592 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jq0Tf-0005xo-G5 for qemu-devel@archiver.kernel.org; Mon, 29 Jun 2020 16:34:07 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39980) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jq0Rv-00049h-Qr; Mon, 29 Jun 2020 16:32:21 -0400 Received: from charlie.dont.surf ([128.199.63.193]:46318) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jq0Rs-00047t-I2; Mon, 29 Jun 2020 16:32:19 -0400 Received: from apples.local (80-167-98-190-cable.dk.customer.tdc.net [80.167.98.190]) by charlie.dont.surf (Postfix) with ESMTPSA id 03B28BF450; Mon, 29 Jun 2020 20:32:12 +0000 (UTC) From: Klaus Jensen To: qemu-block@nongnu.org Subject: [PATCH 0/3] hw/block/nvme: support scatter gather lists Date: Mon, 29 Jun 2020 22:31:52 +0200 Message-Id: <20200629203155.1236860-1-its@irrelevant.dk> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Received-SPF: pass client-ip=128.199.63.193; envelope-from=its@irrelevant.dk; helo=charlie.dont.surf X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/29 14:26:53 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] 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, SPF_HELO_NONE=0.001, SPF_PASS=-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: Kevin Wolf , Klaus Jensen , qemu-devel@nongnu.org, Max Reitz , Klaus Jensen , Keith Busch , Maxim Levitsky Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Klaus Jensen This adds support for scatter gather lists (SGLs). The full flexibility of SGLs require the device to be a bit more strict about CMB access, hence the "hw/block/nvme: harden cmb access" patch. Based-on: <20200629202053.1223342-1-its@irrelevant.dk> ("[PATCH 0/2] hw/block/nvme: handle transient dma errors") Gollu Appalanaidu (1): hw/block/nvme: add support for sgl bit bucket descriptor Klaus Jensen (2): hw/block/nvme: harden cmb access hw/block/nvme: add support for scatter gather lists hw/block/nvme.c | 359 +++++++++++++++++++++++++++++++++++------- hw/block/trace-events | 4 + include/block/nvme.h | 6 +- 3 files changed, 308 insertions(+), 61 deletions(-)