From patchwork Wed Jun 17 14:48:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Kevin Wolf X-Patchwork-Id: 1311289 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=Ax8ZRl3f; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 49n7hq69ZZz9sRR for ; Thu, 18 Jun 2020 01:07:23 +1000 (AEST) Received: from localhost ([::1]:54894 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jlZer-0000u6-K8 for incoming@patchwork.ozlabs.org; Wed, 17 Jun 2020 11:07:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45362) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jlZNt-00037U-L6 for qemu-devel@nongnu.org; Wed, 17 Jun 2020 10:49:49 -0400 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:36760 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jlZNq-0001jS-49 for qemu-devel@nongnu.org; Wed, 17 Jun 2020 10:49:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1592405384; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=WCMxHSIvK8NrqxtaLK1jm+7CZhdADvSuKPMRRngiERc=; b=Ax8ZRl3fSxpIZ/y41K+fU8kYY75GtTzbGSkb4ihU3vJrhdolD9Rmh1YjINHHYLTBnZZmXV qA1JNBZO7UxhhrUPi829oI7/HJcwI2YluU+yA6MgSgQXaRI2EN6ajhXWKPn1CfAzSezQt+ RAtTAVRGTN0+JN7Tr7LdyH2qmLJimO0= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-190-lCqjJV6EOOuB_9TTCh_UVA-1; Wed, 17 Jun 2020 10:49:41 -0400 X-MC-Unique: lCqjJV6EOOuB_9TTCh_UVA-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id BE3CF80F5F0; Wed, 17 Jun 2020 14:49:40 +0000 (UTC) Received: from linux.fritz.box.com (ovpn-114-44.ams2.redhat.com [10.36.114.44]) by smtp.corp.redhat.com (Postfix) with ESMTP id 689BD7CAA0; Wed, 17 Jun 2020 14:49:37 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Subject: [PULL 19/43] hw/block/nvme: add namespace helpers Date: Wed, 17 Jun 2020 16:48:45 +0200 Message-Id: <20200617144909.192176-20-kwolf@redhat.com> In-Reply-To: <20200617144909.192176-1-kwolf@redhat.com> References: <20200617144909.192176-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.61; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/17 02:02:46 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, 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: kwolf@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Klaus Jensen Introduce some small helpers to make the next patches easier on the eye. Signed-off-by: Klaus Jensen Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Maxim Levitsky Reviewed-by: Keith Busch Message-Id: <20200609190333.59390-14-its@irrelevant.dk> Signed-off-by: Kevin Wolf --- hw/block/nvme.h | 17 +++++++++++++++++ hw/block/nvme.c | 3 +-- 2 files changed, 18 insertions(+), 2 deletions(-) diff --git a/hw/block/nvme.h b/hw/block/nvme.h index cedc8022db..61dd9b23b8 100644 --- a/hw/block/nvme.h +++ b/hw/block/nvme.h @@ -61,6 +61,17 @@ typedef struct NvmeNamespace { NvmeIdNs id_ns; } NvmeNamespace; +static inline NvmeLBAF *nvme_ns_lbaf(NvmeNamespace *ns) +{ + NvmeIdNs *id_ns = &ns->id_ns; + return &id_ns->lbaf[NVME_ID_NS_FLBAS_INDEX(id_ns->flbas)]; +} + +static inline uint8_t nvme_ns_lbads(NvmeNamespace *ns) +{ + return nvme_ns_lbaf(ns)->ds; +} + #define TYPE_NVME "nvme" #define NVME(obj) \ OBJECT_CHECK(NvmeCtrl, (obj), TYPE_NVME) @@ -97,4 +108,10 @@ typedef struct NvmeCtrl { NvmeIdCtrl id_ctrl; } NvmeCtrl; +/* calculate the number of LBAs that the namespace can accomodate */ +static inline uint64_t nvme_ns_nlbas(NvmeCtrl *n, NvmeNamespace *ns) +{ + return n->ns_size >> nvme_ns_lbads(ns); +} + #endif /* HW_NVME_H */ diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 87f1f0d0d1..3f3db17231 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -1573,8 +1573,7 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp) id_ns->dps = 0; id_ns->lbaf[0].ds = BDRV_SECTOR_BITS; id_ns->ncap = id_ns->nuse = id_ns->nsze = - cpu_to_le64(n->ns_size >> - id_ns->lbaf[NVME_ID_NS_FLBAS_INDEX(ns->id_ns.flbas)].ds); + cpu_to_le64(nvme_ns_nlbas(n, ns)); } }