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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY,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 666AFC433DF for ; Fri, 5 Jun 2020 18:11:22 +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 3BCF12077D for ; Fri, 5 Jun 2020 18:11:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3BCF12077D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:36592 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jhGoL-0003yO-7o for qemu-devel@archiver.kernel.org; Fri, 05 Jun 2020 14:11:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52110) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jhGn5-0002cV-Oq; Fri, 05 Jun 2020 14:10:03 -0400 Received: from mga17.intel.com ([192.55.52.151]:32522) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jhGn3-0002DI-8K; Fri, 05 Jun 2020 14:10:02 -0400 IronPort-SDR: JyMbHvWgVFckDQLrmR9KmHdQqN4x/ShuH/zszDQzBPVdE/hycSGjzGbi26JBXubTbXqFfIoDFt 6eOSjVwIv80Q== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jun 2020 11:09:54 -0700 IronPort-SDR: IK3IbXIgJMbH9jgWOyGY4yY4n2HxKLjia50YLGG5MBaFJ7ds4HIVLcO83mUxDhBq0Z+hZW/tqo 1kaAu6UKuYcA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,477,1583222400"; d="scan'208";a="258094491" Received: from unknown (HELO localhost.ch.intel.com) ([10.2.28.117]) by fmsmga007.fm.intel.com with ESMTP; 05 Jun 2020 11:09:54 -0700 From: Andrzej Jakowski To: kbusch@kernel.org, kwolf@redhat.com, mreitz@redhat.com Subject: [PATCH v1 1/2] nvme: indicate CMB support through controller capabilities register Date: Fri, 5 Jun 2020 11:10:42 -0700 Message-Id: <20200605181043.28782-2-andrzej.jakowski@linux.intel.com> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200605181043.28782-1-andrzej.jakowski@linux.intel.com> References: <20200605181043.28782-1-andrzej.jakowski@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: none client-ip=192.55.52.151; envelope-from=andrzej.jakowski@linux.intel.com; helo=mga17.intel.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/05 14:09:54 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, 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: Klaus Jensen , Andrzej Jakowski , qemu-devel@nongnu.org, qemu-block@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This patch sets CMBS bit in controller capabilities register when user configures NVMe driver with CMB support, so capabilites are correctly reported to guest OS. Signed-off-by: Andrzej Jakowski Reviewed-by: Klaus Jensen --- hw/block/nvme.c | 2 ++ include/block/nvme.h | 6 +++++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index a21eeca2fb..f0b45704be 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -1449,6 +1449,8 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp) n->bar.intmc = n->bar.intms = 0; if (n->cmb_size_mb) { + /* Contoller capabilities */ + NVME_CAP_SET_CMBS(n->bar.cap, 1); NVME_CMBLOC_SET_BIR(n->bar.cmbloc, 2); NVME_CMBLOC_SET_OFST(n->bar.cmbloc, 0); diff --git a/include/block/nvme.h b/include/block/nvme.h index 5525c8e343..b48349dbd0 100644 --- a/include/block/nvme.h +++ b/include/block/nvme.h @@ -35,6 +35,7 @@ enum NvmeCapShift { CAP_MPSMIN_SHIFT = 48, CAP_MPSMAX_SHIFT = 52, CAP_PMR_SHIFT = 56, + CAP_CMB_SHIFT = 57, }; enum NvmeCapMask { @@ -48,6 +49,7 @@ enum NvmeCapMask { CAP_MPSMIN_MASK = 0xf, CAP_MPSMAX_MASK = 0xf, CAP_PMR_MASK = 0x1, + CAP_CMB_MASK = 0x1, }; #define NVME_CAP_MQES(cap) (((cap) >> CAP_MQES_SHIFT) & CAP_MQES_MASK) @@ -78,8 +80,10 @@ enum NvmeCapMask { << CAP_MPSMIN_SHIFT) #define NVME_CAP_SET_MPSMAX(cap, val) (cap |= (uint64_t)(val & CAP_MPSMAX_MASK)\ << CAP_MPSMAX_SHIFT) -#define NVME_CAP_SET_PMRS(cap, val) (cap |= (uint64_t)(val & CAP_PMR_MASK)\ +#define NVME_CAP_SET_PMRS(cap, val) (cap |= (uint64_t)(val & CAP_PMR_MASK) \ << CAP_PMR_SHIFT) +#define NVME_CAP_SET_CMBS(cap, val) (cap |= (uint64_t)(val & CAP_CMB_MASK) \ + << CAP_CMB_SHIFT) enum NvmeCcShift { CC_EN_SHIFT = 0, -- 2.21.1