From patchwork Thu May 14 04:46:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Klaus Jensen X-Patchwork-Id: 282792 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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, 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 8BC25C433DF for ; Thu, 14 May 2020 04:56:32 +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 749A1205CB for ; Thu, 14 May 2020 04:56:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 749A1205CB 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+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:43038 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jZ5v5-00025p-KO for qemu-devel@archiver.kernel.org; Thu, 14 May 2020 00:56:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56720) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jZ5lr-0001X7-FJ; Thu, 14 May 2020 00:46:59 -0400 Received: from charlie.dont.surf ([128.199.63.193]:43830) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jZ5lq-0003l9-GC; Thu, 14 May 2020 00:46:59 -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 8D6B5BFE3B; Thu, 14 May 2020 04:46:34 +0000 (UTC) From: Klaus Jensen To: qemu-block@nongnu.org Subject: [PATCH v6 11/20] hw/block/nvme: factor out property/constraint checks Date: Thu, 14 May 2020 06:46:02 +0200 Message-Id: <20200514044611.734782-12-its@irrelevant.dk> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200514044611.734782-1-its@irrelevant.dk> References: <20200514044611.734782-1-its@irrelevant.dk> MIME-Version: 1.0 Received-SPF: pass client-ip=128.199.63.193; envelope-from=its@irrelevant.dk; helo=charlie.dont.surf X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/14 00:46:30 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_PASS=-0.001, 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: Kevin Wolf , Klaus Jensen , qemu-devel@nongnu.org, Max Reitz , Klaus Jensen , Keith Busch , Javier Gonzalez , Maxim Levitsky , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?b?w6k=?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Klaus Jensen Signed-off-by: Klaus Jensen Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Maxim Levitsky Reviewed-by: Keith Busch --- hw/block/nvme.c | 48 ++++++++++++++++++++++++++++++------------------ 1 file changed, 30 insertions(+), 18 deletions(-) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index e93ed729aef5..1d4fbba9c5da 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -1356,24 +1356,19 @@ static const MemoryRegionOps nvme_cmb_ops = { }, }; -static void nvme_realize(PCIDevice *pci_dev, Error **errp) +static void nvme_check_constraints(NvmeCtrl *n, Error **errp) { - NvmeCtrl *n = NVME(pci_dev); - NvmeIdCtrl *id = &n->id_ctrl; + NvmeParams *params = &n->params; - int i; - int64_t bs_size; - uint8_t *pci_conf; - - if (n->params.num_queues) { + if (params->num_queues) { warn_report("num_queues is deprecated; please use max_ioqpairs " "instead"); - n->params.max_ioqpairs = n->params.num_queues - 1; + params->max_ioqpairs = params->num_queues - 1; } - if (n->params.max_ioqpairs < 1 || - n->params.max_ioqpairs > PCI_MSIX_FLAGS_QSIZE) { + if (params->max_ioqpairs < 1 || + params->max_ioqpairs > PCI_MSIX_FLAGS_QSIZE) { error_setg(errp, "max_ioqpairs must be between 1 and %d", PCI_MSIX_FLAGS_QSIZE); return; @@ -1384,13 +1379,7 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp) return; } - bs_size = blk_getlength(n->conf.blk); - if (bs_size < 0) { - error_setg(errp, "could not get backing file size"); - return; - } - - if (!n->params.serial) { + if (!params->serial) { error_setg(errp, "serial property not set"); return; } @@ -1410,6 +1399,29 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp) host_memory_backend_set_mapped(n->pmrdev, true); } +} + +static void nvme_realize(PCIDevice *pci_dev, Error **errp) +{ + NvmeCtrl *n = NVME(pci_dev); + NvmeIdCtrl *id = &n->id_ctrl; + Error *local_err = NULL; + + int i; + int64_t bs_size; + uint8_t *pci_conf; + + nvme_check_constraints(n, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + bs_size = blk_getlength(n->conf.blk); + if (bs_size < 0) { + error_setg(errp, "could not get backing file size"); + return; + } blkconf_blocksizes(&n->conf); if (!blkconf_apply_backend_options(&n->conf, blk_is_read_only(n->conf.blk),