From nobody Thu Mar 28 09:39:23 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1610456220; cv=none; d=zohomail.com; s=zohoarc; b=PNExCNXtZbiw2CTfo3rcPkYlvzFqdeblNu+5X3F4LoV2EdNm1xhjmwlINLlhaB7wfUl9jR8MaaqSx7Zh7Lv9CTdtpfhe53fbIkhVQjCXwKrUR81/9G/WafHA9OICYh41jCU+3UjrnotGhPLWcJoQFdvZg8E88czEXKv+Wn84JZg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1610456220; h=Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=GwFNX6vHdud+NWH4setQSvBaz98JQFPV8+ZmgqcWzac=; b=cgzJ7FqpQ608APz9bwT2vquaTFwrUFPXkjcVDSAz39mWnkQlm05OFKXvjr6K3zrd5rADiEqlxhOVnll+CLqawZSloiTCh9Mq5XxpJHxbmIBvA2loJxPQS/kVTDbRZXVLM2cxql7d2dfE9WOR3W5NZZ+QPNfNt1BdxgBHhh6Q62M= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1610456220476785.7462583297472; Tue, 12 Jan 2021 04:57:00 -0800 (PST) Received: from localhost ([::1]:48772 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kzJEJ-00078b-3p for importer@patchew.org; Tue, 12 Jan 2021 07:56:59 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:54614) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kzJ51-00016B-Dl; Tue, 12 Jan 2021 07:47:23 -0500 Received: from wout5-smtp.messagingengine.com ([64.147.123.21]:59281) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kzJ4y-0002iw-Rw; Tue, 12 Jan 2021 07:47:23 -0500 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.west.internal (Postfix) with ESMTP id 16F0E1A83; Tue, 12 Jan 2021 07:47:18 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute4.internal (MEProxy); Tue, 12 Jan 2021 07:47:18 -0500 Received: from apples.local (80-167-98-190-cable.dk.customer.tdc.net [80.167.98.190]) by mail.messagingengine.com (Postfix) with ESMTPA id DCD5C108005F; Tue, 12 Jan 2021 07:47:15 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=irrelevant.dk; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; s=fm2; bh=GwFNX6vHdud+NWH4setQSvBaz9 8JQFPV8+ZmgqcWzac=; b=KuOJ6OV+CUFDqz017+NO+dlvKFNuQ10UehKlEv7f6i qiZ4XePZuRCLHtv8YSztf3j/BB+sIHIpSuBUVsOzWrBewq+/W6XLC0mMdAe0mEMW vedvx72HkevHyQO0E7nXYpTrbNsmevK2uZefr8KkPPxPWtaQnKqASlpRU+8yz/Z2 Bb4akMYG2OmrBAw2N6fsb8zuuNUk7U3SdBtUu//7/fMnxgdxgjPfhOnfXssvc3Yb TyNv1i6zodZQBz7vnIvxeAiAlR7ivfSdmUDsvEmVP85bl7areBSHMpWH4Rj0X1w+ 98xswEjOMNW14VC+xxcD5+sR8B1Y4Vwl29XYn8vmfriA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :message-id:mime-version:subject:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=GwFNX6vHdud+NWH4s etQSvBaz98JQFPV8+ZmgqcWzac=; b=XW8Fc7qjjHrWmrgDADitPttfYSxNOBV9S Teg87d2/qDS1ODkRVEp8jn0sWuc/J02Sa6VEAggafcec195CHMs8xRlLzeGnGJzF 1xpLd/r2HgpunMR5vMPa9bfZZ2xsOmebK3HJYKjfjZOX+OQLDAaqFzyYX+Bice/M w6SDmva4+Oo4re+XLDeW8NQXJV6lJDCRcX+NEEIs3PV9oUy0uUy1Q9jHYUvvw/9+ Kv9JnruuFZ2JNINB78no5nolRWqoS0/i3X/PVU7KA0l7C8rqWFqTYt9qH8cnsFXt 55YvJ64kPJa2s2wgAlr4EE8kfzwotibSAqcidcHx4azG6HiuVYgpA== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedukedrtddtgdduvdcutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhvffufffkofgggfestdekredtredttdenucfhrhhomhepmfhlrghushculfgv nhhsvghnuceoihhtshesihhrrhgvlhgvvhgrnhhtrdgukheqnecuggftrfgrthhtvghrnh epveeltefgtdevhedtvdduffetvdevjeevueffheeltdfhfeffjeejveethffhjedtnecu ffhomhgrihhnpehquggvvhdrihgunecukfhppeektddrudeijedrleekrdduledtnecuve hluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepihhtshesihhr rhgvlhgvvhgrnhhtrdgukh X-ME-Proxy: From: Klaus Jensen To: qemu-devel@nongnu.org Subject: [PATCH] hw/block/nvme: fix for non-msix machines Date: Tue, 12 Jan 2021 13:47:14 +0100 Message-Id: <20210112124714.220657-1-its@irrelevant.dk> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=64.147.123.21; envelope-from=its@irrelevant.dk; helo=wout5-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-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: Kevin Wolf , qemu-block@nongnu.org, Klaus Jensen , Max Reitz , Keith Busch , Klaus Jensen , Guenter Roeck Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Klaus Jensen Commit 1c0c2163aa08 ("hw/block/nvme: verify msix_init_exclusive_bar() return value") had the unintended effect of breaking support on several platforms not supporting MSI-X. Still check for errors, but only report that MSI-X is unsupported instead of bailing out. Reported-by: Guenter Roeck Fixes: 1c0c2163aa08 ("hw/block/nvme: verify msix_init_exclusive_bar() retur= n value") Fixes: fbf2e5375e33 ("hw/block/nvme: Verify msix_vector_use() returned valu= e") Signed-off-by: Klaus Jensen Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/block/nvme.c | 31 ++++++++++++++++++++++--------- 1 file changed, 22 insertions(+), 9 deletions(-) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 0854ee307227..cf0fe28fe6eb 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -2590,7 +2590,9 @@ static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n) n->cq[cq->cqid] =3D NULL; timer_del(cq->timer); timer_free(cq->timer); - msix_vector_unuse(&n->parent_obj, cq->vector); + if (msix_enabled(&n->parent_obj)) { + msix_vector_unuse(&n->parent_obj, cq->vector); + } if (cq->cqid) { g_free(cq); } @@ -2624,8 +2626,10 @@ static void nvme_init_cq(NvmeCQueue *cq, NvmeCtrl *n= , uint64_t dma_addr, { int ret; =20 - ret =3D msix_vector_use(&n->parent_obj, vector); - assert(ret =3D=3D 0); + if (msix_enabled(&n->parent_obj)) { + ret =3D msix_vector_use(&n->parent_obj, vector); + assert(ret =3D=3D 0); + } cq->ctrl =3D n; cq->cqid =3D cqid; cq->size =3D size; @@ -4159,9 +4163,12 @@ static void nvme_init_pmr(NvmeCtrl *n, PCIDevice *pc= i_dev) PCI_BASE_ADDRESS_MEM_PREFETCH, &n->pmrdev->mr); } =20 -static void nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) +static int nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) { uint8_t *pci_conf =3D pci_dev->config; + int ret; + + Error *err =3D NULL; =20 pci_conf[PCI_INTERRUPT_PIN] =3D 1; pci_config_set_prog_interface(pci_conf, 0x2); @@ -4181,8 +4188,14 @@ static void nvme_init_pci(NvmeCtrl *n, PCIDevice *pc= i_dev, Error **errp) n->reg_size); pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64, &n->iomem); - if (msix_init_exclusive_bar(pci_dev, n->params.msix_qsize, 4, errp)) { - return; + ret =3D msix_init_exclusive_bar(pci_dev, n->params.msix_qsize, 4, &err= ); + if (ret < 0) { + if (ret =3D=3D -ENOTSUP) { + warn_report_err(err); + } else { + error_propagate(errp, err); + return ret; + } } =20 if (n->params.cmb_size_mb) { @@ -4190,6 +4203,8 @@ static void nvme_init_pci(NvmeCtrl *n, PCIDevice *pci= _dev, Error **errp) } else if (n->pmrdev) { nvme_init_pmr(n, pci_dev); } + + return 0; } =20 static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) @@ -4278,9 +4293,7 @@ static void nvme_realize(PCIDevice *pci_dev, Error **= errp) &pci_dev->qdev, n->parent_obj.qdev.id); =20 nvme_init_state(n); - nvme_init_pci(n, pci_dev, &local_err); - if (local_err) { - error_propagate(errp, local_err); + if (nvme_init_pci(n, pci_dev, errp)) { return; } =20 --=20 2.30.0