From nobody Sat May 30 17:44:35 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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; dmarc=pass(p=quarantine dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1778598873; cv=none; d=zohomail.com; s=zohoarc; b=KC6mGpW1XSG21k+ZFSK2+ZsTk3fc1jPQq4U+/yOXVMt7ASxmSxR8fQZ0ooHlDfBbJOqeiVomjuk4P5EYEVgzRAgWC8I7+ekuaCfbYse1if3S4/Ls8kwX1TeVuAK7lE0zzVIsi9IxfjmVZ17/gV1M0wKuqFz/uuVn5I8jthyhpoo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1778598873; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=4ipTl8SxHF2BtSH0nCWnuSQlDSFAuLUpgjGujTX8sr4=; b=lJXM50ZEfHXuhftQLKQk7pbqPenSM0OGZmbeayDliJBAdVG5WsELoDCIvlDhYSHWq4KqKAAUkxwRPCIequPUys8CdzBFtOCez0HM/k2x4gRnBHyv4M7g8b3IPKtPr6dfMRtHGQMRDRG+1qWStBW//GPu0CkY+Kx39rgA6dX0UNY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1778598873837650.8632658945396; Tue, 12 May 2026 08:14:33 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wMooR-0005gF-JE; Tue, 12 May 2026 11:14:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wMooO-0005fj-Qp for qemu-devel@nongnu.org; Tue, 12 May 2026 11:14:20 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wMooN-0006xU-1h for qemu-devel@nongnu.org; Tue, 12 May 2026 11:14:20 -0400 Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-594-IqKO9NxRMFCpe1Ye5SDrhA-1; Tue, 12 May 2026 11:14:16 -0400 Received: by mail-wm1-f71.google.com with SMTP id 5b1f17b1804b1-48d0677b5f7so31983895e9.1 for ; Tue, 12 May 2026 08:14:15 -0700 (PDT) Received: from lleonard-thinkpadx1carbongen13.rmtit.csb ([176.206.19.176]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48e8f410558sm39968055e9.5.2026.05.12.08.14.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 May 2026 08:14:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1778598857; 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; bh=4ipTl8SxHF2BtSH0nCWnuSQlDSFAuLUpgjGujTX8sr4=; b=Pxn6ClV4Z/RfE8qCcQ2Ce2m3LMErQLo7YaE9Q/hnNPYVEjeWgxluYrymvb1JgnSKOksZpb /bZ63LpQHJKavMUPj/+oweafBGGC/Dx8WazBy8CDJckxofz3Ee87ttzEHKWL3aG8+sh7Ww +YoE2Zj0jqy1azunszc+ln48N0q4VKs= X-MC-Unique: IqKO9NxRMFCpe1Ye5SDrhA-1 X-Mimecast-MFC-AGG-ID: IqKO9NxRMFCpe1Ye5SDrhA_1778598855 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=google; t=1778598855; x=1779203655; darn=nongnu.org; h=cc:to:message-id:content-transfer-encoding:mime-version:subject :date:from:from:to:cc:subject:date:message-id:reply-to; bh=4ipTl8SxHF2BtSH0nCWnuSQlDSFAuLUpgjGujTX8sr4=; b=ktdAiNGPWa1jiRr/HheEeB/6fztKl0olKuvzmENWt+uHEZ3wEPO3GLV2+1+uGZvT9x dXagsg7rwzUj4p/ODm1S8SVGD/ni3tlpCUWfFZyDaDt0Ctp0dPtflgXWCG1w3ONaO8HA l2TdeTdWinsSUo09sZ/A6kj0qSkH3wCGaufNUwb02bxS6LwRQQeJ+Ddnvv1PryGmu9f7 nhztaegpCDxbYbtIvCuaksbs4bhOjcIbp0YZCWo6iaZos49pAD6bPM628sMK1BQxPJ1t R6IEM6dVjbtdosWGr9UN5d6ZgqBkwaZLEAHAGsbFlCU/UIWcsfcmaWWYe4W1WWBLr+33 GJqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778598855; x=1779203655; h=cc:to:message-id:content-transfer-encoding:mime-version:subject :date:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=4ipTl8SxHF2BtSH0nCWnuSQlDSFAuLUpgjGujTX8sr4=; b=HFikL0I59pGRY5Mfr3xIIONW6DedIp/S66lzrfFWz4K9anKmaVaqHjPhbj05tID/3+ xNDLaY3XXaWQ/xqTVgUlvSq2M5JHzXmnO8x9cR+3J0t5zQ1bo2szoksImXiQbIH+YS4X nAXgZvGaM3BKqSdVQOgj1E4BLeYjhBohgJjSic01/5DEekRjkhY/aeN7UgfyrWZgl6Jq aM16zac4/qIydRXwFdGf8YablFs+D6zVk8tk+/vlrVjzd/XEMtlAvQRXP6N/7z83nPzd BxxjQXHxg4AC2B8hBN2c8areUtsrvrQ3GCuKknvzFboUYfZZ+NOQ67qvGHBUoy8gJ03M f0Wg== X-Gm-Message-State: AOJu0Yy/QKXvK0IgB7tbiXL6NMwm1HRPRBaDXDEc/7TFeuXhXMDZ8/U5 PIXJnxVVxk5pcPAqMFbEbVsPKuvOoL4iTUPogeAp014IyUZBM6WLI+LyB5bNCayWH4Ay/247unb 1daLUaE4nJVWmFz00MuQUh74JLE7JdSf3aKoxW+ImXItZXhwp4Y6K2Nh3 X-Gm-Gg: Acq92OHkMT4Dws381W42s7wh93ARJTljHnogLa62JNdPp7lU8w8cF1qG0A4DdZpFz1w psQGjDHGFJSxPN9trUjFn67nQuV3AA5ZTTLHIaG9B401woV2SxJL6YKXsWPGq7HUgjfZ7sNohCh AyecQU4r51ZsekoGhFPvNVO4EdhFo0dWCFDMZbRqqpr58Y3X/ZzWNOg4pfT2ANI3FS9f2B6et5H EghasTomxARtnSuyyL1jOaNOnzSkfrWosA7BcgKeo8/ctTcwpVdvgePOFYGsloyr6zdlnhfZ7j6 FVJcI5DBcBP1NUCPPaQbKTCWVXLX8VaT/W/bdJvOhVYHMpyyK28Tm0yWUByEVs5BI9EAN13B6Me C8qCdfpaEE9hbc7UKvnARfImKmziQXkFhlEK5MWTUZlKPfK4RRHRG4TSkQRI5o0HSAZgD9yA2KF A9HtlTWggcGKpUyDdE X-Received: by 2002:a05:600c:c166:b0:48a:93f8:dd02 with SMTP id 5b1f17b1804b1-48e8fe7227cmr54459615e9.14.1778598854800; Tue, 12 May 2026 08:14:14 -0700 (PDT) X-Received: by 2002:a05:600c:c166:b0:48a:93f8:dd02 with SMTP id 5b1f17b1804b1-48e8fe7227cmr54459065e9.14.1778598854441; Tue, 12 May 2026 08:14:14 -0700 (PDT) From: Luigi Leonardi Date: Tue, 12 May 2026 17:14:12 +0200 Subject: [PATCH] hw/i386/microvm: Add IGVM support MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260512-microvm_igvm-v1-1-8b1fd8861235@redhat.com> X-B4-Tracking: v=1; b=H4sIAAAAAAAC/x3MQQqAIBBA0avIrBOcASO6SkSIjTULMxQkkO6et HyL/xsUzsIFZtUgc5Ui6erAQYE/3XWwlr0byNBoLJKO4nOqcZOjRu0o2GlE9B4N9OTOHOT5d8v 6vh9X2UWRXgAAAA== X-Change-ID: 20260512-microvm_igvm-a2f58611cc10 To: qemu-devel@nongnu.org Cc: Sergio Lopez , Paolo Bonzini , "Michael S. Tsirkin" , Richard Henderson , Gerd Hoffmann , Oliver Steffen , Stefano Garzarella , Luigi Leonardi X-Mailer: b4 0.14.3 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=lists1p.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=leonardi@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.445, 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_H5=0.001, RCVD_IN_MSPIKE_WL=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: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1778598875405154100 The IGVM infrastructure operates on X86MachineState and is already machine-type-agnostic, but the "igvm-cfg" QOM property is only registered on the PC machine type. Register it on microvm as well. When an IGVM file is configured, the firmware image is provided as a payload of the IGVM file so skip loading the default BIOS. Signed-off-by: Luigi Leonardi --- hw/i386/microvm.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c index 5a7889f21b..779741ec76 100644 --- a/hw/i386/microvm.c +++ b/hw/i386/microvm.c @@ -159,7 +159,6 @@ static int microvm_ioapics(MicrovmMachineState *mms) =20 static void microvm_devices_init(MicrovmMachineState *mms) { - const char *default_firmware; X86MachineState *x86ms =3D X86_MACHINE(mms); ISABus *isa_bus; GSIState *gsi_state; @@ -276,10 +275,12 @@ static void microvm_devices_init(MicrovmMachineState = *mms) serial_hds_isa_init(isa_bus, 0, 1); } =20 - default_firmware =3D x86_machine_is_acpi_enabled(x86ms) - ? MICROVM_BIOS_FILENAME - : MICROVM_QBOOT_FILENAME; - x86_bios_rom_init(x86ms, default_firmware, get_system_memory(), true); + if (!x86ms->igvm) { + const char *default_firmware =3D x86_machine_is_acpi_enabled(x86ms) + ? MICROVM_BIOS_FILENAME + : MICROVM_QBOOT_FILENAME; + x86_bios_rom_init(x86ms, default_firmware, get_system_memory(), tr= ue); + } } =20 static void microvm_memory_init(MicrovmMachineState *mms) @@ -717,6 +718,16 @@ static void microvm_class_init(ObjectClass *oc, const = void *data) =20 compat_props_add(mc->compat_props, microvm_properties, G_N_ELEMENTS(microvm_properties)); + +#if defined(CONFIG_IGVM) + object_class_property_add_link(oc, "igvm-cfg", + TYPE_IGVM_CFG, + offsetof(X86MachineState, igvm), + object_property_allow_set_link, + OBJ_PROP_LINK_STRONG); + object_class_property_set_description(oc, "igvm-cfg", + "Set IGVM configuration"); +#endif } =20 static const TypeInfo microvm_machine_info =3D { --- base-commit: 5e61afe211e82a9af15a8794a0bd29bb574e953b change-id: 20260512-microvm_igvm-a2f58611cc10 Best regards, --=20 Luigi Leonardi