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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 18E7EC77B75 for ; Wed, 19 Apr 2023 22:24:24 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 5730B900038; Wed, 19 Apr 2023 18:24:22 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 5223A900002; Wed, 19 Apr 2023 18:24:22 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 39ABE900038; Wed, 19 Apr 2023 18:24:22 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 20382900002 for ; Wed, 19 Apr 2023 18:24:22 -0400 (EDT) Received: from smtpin01.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id E5A74C0224 for ; Wed, 19 Apr 2023 22:24:21 +0000 (UTC) X-FDA: 80699570322.01.DB2B0F9 Received: from mail-pg1-f171.google.com (mail-pg1-f171.google.com [209.85.215.171]) by imf25.hostedemail.com (Postfix) with ESMTP id 14137A0010 for ; Wed, 19 Apr 2023 22:24:19 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=rivosinc-com.20221208.gappssmtp.com header.s=20221208 header.b=nUPF7sXf; spf=pass (imf25.hostedemail.com: domain of atishp@rivosinc.com designates 209.85.215.171 as permitted sender) smtp.mailfrom=atishp@rivosinc.com; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1681943060; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=92JmYNvjI4h3x1v84zDdO04a6NNcBv03E/psDBTJE8A=; b=dvkLOw+7CEaCaX7HTHF0/mDeAcF7HdwFXj+Kw2TWuMtS+yEXNujDUakgJ27galoefyOhmG /uFTrdNglSAWbd4S+uEc0jg0Pi9aNhhzHRcn7YyzZg+vjX97bgY0dZG6DwAAQ4P10DX/nJ paE8JwQ+rb8/aIW4TBsI+4Afa4NGSZQ= ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=pass header.d=rivosinc-com.20221208.gappssmtp.com header.s=20221208 header.b=nUPF7sXf; spf=pass (imf25.hostedemail.com: domain of atishp@rivosinc.com designates 209.85.215.171 as permitted sender) smtp.mailfrom=atishp@rivosinc.com; dmarc=none ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1681943060; a=rsa-sha256; cv=none; b=sA8uLIkySA1FafcVMmQ4VbV3JEFm6yEDq6wlERkHhIG+4NIZC38K6xPFR4wLPj68lb9Ii7 SQM33Q5DCpOJCBkyeqnSPTY5z+FE/zbm+rudna5EUnL2IOU84jJT3/GnjxcZ0y7OZSJhH7 fMMXNByJiy/enFaNLGf6plOcRD4Ae9U= Received: by mail-pg1-f171.google.com with SMTP id 41be03b00d2f7-517c57386f6so199811a12.2 for ; Wed, 19 Apr 2023 15:24:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20221208.gappssmtp.com; s=20221208; t=1681943059; x=1684535059; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=92JmYNvjI4h3x1v84zDdO04a6NNcBv03E/psDBTJE8A=; b=nUPF7sXfdzfSW6QquvIfaq4GAfSYyZeAk0mT1xklq8pqmC8JoWNIvCjy+zgsODVUHq O1IjPJuK8sxnkfCXOFdrW+u9RpzMDpy7y7UdhAG0oCuYW3dH8GSGsOh9ODDRIxw2eaFz bkM34qwDSq7IzfX047RwYqZPP8OQknDg9R1karBknWrofSn/KUs6wUf/rHdpra1bOATf rzsEvtKv0XMZjsFArXphtLo3X7lGUkjGEGkW6yljl786vgCvygViLOvHooAc3u8hDTWy WbwJ4EH+yr+KTGNMLcFTkEfYKE8eHBN2A40w7EVpD08O7tCunWfP2Fwi90JATCfWffYG bUcQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681943059; x=1684535059; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=92JmYNvjI4h3x1v84zDdO04a6NNcBv03E/psDBTJE8A=; b=dO76KZDk0gwnf5utBwMk8WDUQYqGQVnMh4xz/bx//zwFxThMDG9xKbOSAvKxTjrDvh Lj3S/qggJGTgligYImSVRKg1/UqzGp41JuvkAV5g7+38VJohXlDIS5LL7YQWOC0Bx5e1 d6cPdD21OgvnUfUk+Dp1V4H0cvOJM3ZxEKRHUGgeKcPmlgPASyO+H9BX6IAs/2Zyyipj I4p0auJ5BQEwrn6hwD4e+We8lA2Uqtiltxp6I38xcWSgm5EIEwxsj/d4ioY2V9mhg9wg EuhB0V5kj89XqI9tJYx/k66IuaEQixTqFU+SG/1pR9B6AyqBCu1/pSOp8WJUFBj0btqM jVjA== X-Gm-Message-State: AAQBX9d6TFiA3Nf5b9ltJsX/ZF1kLvsyCVez5LCbW3OF2fZojXi+pNKi E6ZaOhmWfBdflkBGort2D90VMQ== X-Google-Smtp-Source: AKy350Z85naSstLXZzvY5D57utZL9LkLhfRNOpeuO+9VtZ6rJWlxmJ/TTxgn/rQUXeeW25YB/WTEcw== X-Received: by 2002:a17:90a:cf81:b0:247:1f35:3314 with SMTP id i1-20020a17090acf8100b002471f353314mr3406729pju.48.1681943059019; Wed, 19 Apr 2023 15:24:19 -0700 (PDT) Received: from atishp.ba.rivosinc.com ([66.220.2.162]) by smtp.gmail.com with ESMTPSA id e4-20020a170902744400b001a681fb3e77sm11867810plt.44.2023.04.19.15.24.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Apr 2023 15:24:18 -0700 (PDT) From: Atish Patra To: linux-kernel@vger.kernel.org Cc: Rajnesh Kanwal , Alexandre Ghiti , Andrew Jones , Andrew Morton , Anup Patel , Atish Patra , Suzuki K Poulose , Will Deacon , Marc Zyngier , Sean Christopherson , linux-coco@lists.linux.dev, Dylan Reid , abrestic@rivosinc.com, Samuel Ortiz , Jiri Slaby , kvm-riscv@lists.infradead.org, kvm@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, Palmer Dabbelt , Paolo Bonzini , Uladzislau Rezki Subject: [RFC kvmtool 09/10] riscv: Don't emit MMIO devices for CoVE VM. Date: Wed, 19 Apr 2023 15:23:49 -0700 Message-Id: <20230419222350.3604274-10-atishp@rivosinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230419222350.3604274-1-atishp@rivosinc.com> References: <20230419222350.3604274-1-atishp@rivosinc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 14137A0010 X-Stat-Signature: sp93m4ro6i4m8hgasdhncs9twr6559yw X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1681943059-595096 X-HE-Meta: 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 r8pDJh4b roZMdty9vKlfughxV3BoVlJrYw8BEkrVrZh4BXkK1eWIy7R3iVqSqEs7wGYsqAAlh+BQMIo+vRis4PrtUli9JJ5P2WOfx7/V0JfmKnRy58DEIfcm3MYwIgSSKR+kFyl88ilfg4hItSDWSyG64nUXL0VqZXLpiTG656TL2oTPwewN2nFQhLPom5oegYPMO/9sqWZjL95Qgzb9cJNC9GTMcLfUG1GjnHpYrsW7DsRb6wLDRK1WCDxJyhRUegMpjjrIo8eu18tnhlJ1tBZ+ln+KNNV3wTKqmN9AbLPke26Hk59VSevKF7kmh3/8aSZE9Brtprms2ygBCzuYCuS8nM9PkoYhQ8Er/t+DaYYO7zRHo5Q3Pn1JhfPc4v8XUN96SQE54kBtHs7uQ6/jAlyakpGkyy4Xnxsg1gqrmHEs98jCr8quOr7NSQw2Yq1mpszXJPo2y1XeNqrwAPavaU8aSBuHUAJPuFQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Rajnesh Kanwal The CoVE VMs do not support MMIO devices yet. Do not emit MMIO device nodes for CoVE VMs. Signed-off-by: Rajnesh Kanwal --- riscv/fdt.c | 33 ++++++++++++++++++--------------- 1 file changed, 18 insertions(+), 15 deletions(-) diff --git a/riscv/fdt.c b/riscv/fdt.c index 07ec336..a7d32b3 100644 --- a/riscv/fdt.c +++ b/riscv/fdt.c @@ -210,22 +210,25 @@ static int setup_fdt(struct kvm *kvm) riscv_irqchip_phandle)); _FDT(fdt_property(fdt, "ranges", NULL, 0)); - /* Virtio MMIO devices */ - dev_hdr = device__first_dev(DEVICE_BUS_MMIO); - while (dev_hdr) { - generate_mmio_fdt_nodes = dev_hdr->data; - generate_mmio_fdt_nodes(fdt, dev_hdr, - riscv__generate_irq_prop); - dev_hdr = device__next_dev(dev_hdr); - } + /* CoVE VMs do not support MMIO devices yet */ + if (!kvm->cfg.arch.cove_vm) { + /* Virtio MMIO devices */ + dev_hdr = device__first_dev(DEVICE_BUS_MMIO); + while (dev_hdr) { + generate_mmio_fdt_nodes = dev_hdr->data; + generate_mmio_fdt_nodes(fdt, dev_hdr, + riscv__generate_irq_prop); + dev_hdr = device__next_dev(dev_hdr); + } - /* IOPORT devices */ - dev_hdr = device__first_dev(DEVICE_BUS_IOPORT); - while (dev_hdr) { - generate_mmio_fdt_nodes = dev_hdr->data; - generate_mmio_fdt_nodes(fdt, dev_hdr, - riscv__generate_irq_prop); - dev_hdr = device__next_dev(dev_hdr); + /* IOPORT devices */ + dev_hdr = device__first_dev(DEVICE_BUS_IOPORT); + while (dev_hdr) { + generate_mmio_fdt_nodes = dev_hdr->data; + generate_mmio_fdt_nodes(fdt, dev_hdr, + riscv__generate_irq_prop); + dev_hdr = device__next_dev(dev_hdr); + } } /* PCI host controller */ -- 2.25.1