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=-10.2 required=3.0 tests=BAYES_00, 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 502E8C433DF for ; Wed, 29 Jul 2020 22:03:13 +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 2372A2070B for ; Wed, 29 Jul 2020 22:03:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2372A2070B 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]:36276 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k0uAK-0004r4-F3 for qemu-devel@archiver.kernel.org; Wed, 29 Jul 2020 18:03:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52738) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k0u8U-0003MB-1B; Wed, 29 Jul 2020 18:01:18 -0400 Received: from mga11.intel.com ([192.55.52.93]:41645) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k0u8R-0007sQ-Rq; Wed, 29 Jul 2020 18:01:17 -0400 IronPort-SDR: MB5b+XRbQjzbICVQf/RfnTvVc4XrTneChKAdCy0YRaE1SmwUwSDj9wKuw/Gr9RTvtyUpyph4U0 faIOP8bhk0Qg== X-IronPort-AV: E=McAfee;i="6000,8403,9697"; a="149342744" X-IronPort-AV: E=Sophos;i="5.75,412,1589266800"; d="scan'208";a="149342744" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jul 2020 15:01:12 -0700 IronPort-SDR: XoXL8ddi1CVpHk3zW9KHX5qvPCBJsTTESVnDkd4nxAgE8JiYBJ8CheCUjFrSZ23fxrFF6ummwS fNLE8xvC4fCQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,412,1589266800"; d="scan'208";a="304361602" Received: from ajakowsk-mobl1.amr.corp.intel.com (HELO localhost.localdomain) ([10.209.191.249]) by orsmga002.jf.intel.com with ESMTP; 29 Jul 2020 15:01:11 -0700 From: Andrzej Jakowski To: kbusch@kernel.org, kwolf@redhat.com, mreitz@redhat.com Subject: [PATCH v6 1/2] nvme: indicate CMB support through controller capabilities register Date: Wed, 29 Jul 2020 15:01:06 -0700 Message-Id: <20200729220107.37758-2-andrzej.jakowski@linux.intel.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20200729220107.37758-1-andrzej.jakowski@linux.intel.com> References: <20200729220107.37758-1-andrzej.jakowski@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: none client-ip=192.55.52.93; envelope-from=andrzej.jakowski@linux.intel.com; helo=mga11.intel.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/29 18:01:11 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no 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 , Maxim Levitsky , 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 Reviewed-by: Maxim Levitsky --- hw/block/nvme.c | 1 + include/block/nvme.h | 10 +++++++--- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 841c18920c..43866b744f 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -2198,6 +2198,7 @@ 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 = NVME_SPEC_VER; n->bar.intmc = n->bar.intms = 0; diff --git a/include/block/nvme.h b/include/block/nvme.h index 370df7fc05..d641ca6649 100644 --- a/include/block/nvme.h +++ b/include/block/nvme.h @@ -36,6 +36,7 @@ enum NvmeCapShift { CAP_MPSMIN_SHIFT = 48, CAP_MPSMAX_SHIFT = 52, CAP_PMR_SHIFT = 56, + CAP_CMB_SHIFT = 57, }; enum NvmeCapMask { @@ -49,6 +50,7 @@ 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) @@ -78,9 +80,11 @@ enum NvmeCapMask { #define NVME_CAP_SET_MPSMIN(cap, val) (cap |= (uint64_t)(val & CAP_MPSMIN_MASK)\ << 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)\ - << CAP_PMR_SHIFT) + << CAP_MPSMAX_SHIFT) +#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, -- 2.25.4