From patchwork Wed Apr 15 10:24:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Klaus Jensen X-Patchwork-Id: 11490983 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F25E4186E for ; Wed, 15 Apr 2020 10:37:12 +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 CCDE2206D9 for ; Wed, 15 Apr 2020 10:37:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CCDE2206D9 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:47484 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jOfPr-00046Y-VT for patchwork-qemu-devel@patchwork.kernel.org; Wed, 15 Apr 2020 06:37:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43303) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jOfEb-0004AP-TL for qemu-devel@nongnu.org; Wed, 15 Apr 2020 06:25:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jOfEZ-0005Ea-VV for qemu-devel@nongnu.org; Wed, 15 Apr 2020 06:25:33 -0400 Received: from charlie.dont.surf ([128.199.63.193]:48202) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jOfEP-0004wY-EL; Wed, 15 Apr 2020 06:25:21 -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 52148BFB38; Wed, 15 Apr 2020 10:25:00 +0000 (UTC) From: Klaus Jensen To: qemu-block@nongnu.org Subject: [PATCH 12/16] nvme: add namespace helpers Date: Wed, 15 Apr 2020 12:24:41 +0200 Message-Id: <20200415102445.564803-13-its@irrelevant.dk> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200415102445.564803-1-its@irrelevant.dk> References: <20200415102445.564803-1-its@irrelevant.dk> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 128.199.63.193 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 , Beata Michalska , Klaus Jensen , qemu-devel@nongnu.org, Max Reitz , Klaus Jensen , Keith Busch , Javier Gonzalez , Maxim Levitsky , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.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 --- hw/block/nvme.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/hw/block/nvme.h b/hw/block/nvme.h index ad1786953be9..d9900bed957c 100644 --- a/hw/block/nvme.h +++ b/hw/block/nvme.h @@ -67,6 +67,17 @@ 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) @@ -101,4 +112,9 @@ typedef struct NvmeCtrl { NvmeIdCtrl id_ctrl; } NvmeCtrl; +static inline uint64_t nvme_ns_nlbas(NvmeCtrl *n, NvmeNamespace *ns) +{ + return n->ns_size >> nvme_ns_lbads(ns); +} + #endif /* HW_NVME_H */