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=-7.2 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 ACC3BC433E0 for ; Wed, 1 Jul 2020 21:50:17 +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 7FF3D206A1 for ; Wed, 1 Jul 2020 21:50:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7FF3D206A1 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]:53314 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jqkcS-0002FG-LN for qemu-devel@archiver.kernel.org; Wed, 01 Jul 2020 17:50:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42478) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jqka1-0000Of-OQ; Wed, 01 Jul 2020 17:47:45 -0400 Received: from mga04.intel.com ([192.55.52.120]:61627) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jqkZu-0004yn-6s; Wed, 01 Jul 2020 17:47:44 -0400 IronPort-SDR: xW65SpT9QIBpuoa+++x1hYqKtnrR8pDC2nrhR3MS8+EIr/8gNPZL165m413nv3EqvVB3ovE9/w tmV8Gt4eklEA== X-IronPort-AV: E=McAfee;i="6000,8403,9669"; a="144226808" X-IronPort-AV: E=Sophos;i="5.75,301,1589266800"; d="scan'208";a="144226808" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jul 2020 14:47:33 -0700 IronPort-SDR: VGkuIzztl9S3a5zIbhIqcT5ceG8r4/3ELTO4IKy6R7LM3/I1+M3F9uaQJgqiX4XjwzQs8o/pjL BQY+nkt4q4Wg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,301,1589266800"; d="scan'208";a="481447145" Received: from unknown (HELO localhost.ch.intel.com) ([10.2.61.79]) by fmsmga006.fm.intel.com with ESMTP; 01 Jul 2020 14:47:32 -0700 From: Andrzej Jakowski To: kbusch@kernel.org, kwolf@redhat.com, mreitz@redhat.com Subject: [PATCH v4 1/2] nvme: indicate CMB support through controller capabilities register Date: Wed, 1 Jul 2020 14:48:57 -0700 Message-Id: <20200701214858.28515-2-andrzej.jakowski@linux.intel.com> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200701214858.28515-1-andrzej.jakowski@linux.intel.com> References: <20200701214858.28515-1-andrzej.jakowski@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: none client-ip=192.55.52.120; envelope-from=andrzej.jakowski@linux.intel.com; helo=mga04.intel.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/01 17:47:32 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, SPF_HELO_NONE=0.001, SPF_NONE=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, 6 insertions(+), 2 deletions(-) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 1aee042d4c..9f11f3e9da 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -1582,6 +1582,7 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) NVME_CAP_SET_TO(n->bar.cap, 0xf); NVME_CAP_SET_CSS(n->bar.cap, 1); NVME_CAP_SET_MPSMAX(n->bar.cap, 4); + NVME_CAP_SET_CMBS(n->bar.cap, n->params.cmb_size_mb ? 1 : 0); n->bar.vs = 0x00010200; n->bar.intmc = n->bar.intms = 0; @@ -1591,7 +1592,6 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp) { NvmeCtrl *n = NVME(pci_dev); Error *local_err = NULL; - int i; nvme_check_constraints(n, &local_err); diff --git a/include/block/nvme.h b/include/block/nvme.h index 1720ee1d51..14cf398dfa 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