From patchwork Tue Feb 25 16:30:23 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 13990233 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 79DF2C021B2 for ; Tue, 25 Feb 2025 16:38:45 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tmxqo-0002CK-G3; Tue, 25 Feb 2025 11:32:06 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tmxq3-000171-Hz for qemu-devel@nongnu.org; Tue, 25 Feb 2025 11:31:19 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tmxpz-0006bh-OR for qemu-devel@nongnu.org; Tue, 25 Feb 2025 11:31:18 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1740501075; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=qvorbgiHjRAcQNyyKsR/FLp8f9h6za5NToARgffqtJo=; b=K3xcTr1ZkNo95BZ+JA4DY8dJQULkaE5lacHV8qP09Ty/NT6Vdvh0NqvyUqW/S7m9Z5gYRv edPTjydZIU6tXF9K0XqC0NZCkNF3jfOyYBkPqCRy52ydl9O8BjT4Hgt6TwZTuxyxErdIU5 7o5mV5lDoZZ106OxNrXb+YYwQLicDEY= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-575-pLfCMs8tPwygfsT2PPhbtA-1; Tue, 25 Feb 2025 11:31:09 -0500 X-MC-Unique: pLfCMs8tPwygfsT2PPhbtA-1 X-Mimecast-MFC-AGG-ID: pLfCMs8tPwygfsT2PPhbtA_1740501068 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id F007418D95EA; Tue, 25 Feb 2025 16:31:07 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.45.224.219]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id A2B12300018D; Tue, 25 Feb 2025 16:31:07 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id CF8931800798; Tue, 25 Feb 2025 17:30:32 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Markus Armbruster , Eduardo Habkost , qemu-arm@nongnu.org, Ard Biesheuvel , =?utf-8?q?Marc-Andr?= =?utf-8?q?=C3=A9_Lureau?= , Thomas Huth , "Michael S. Tsirkin" , Marcel Apfelbaum , Peter Maydell , graf@amazon.com, Eric Blake , Michael Roth , Richard Henderson , =?utf-8?q?Daniel_P=2E_Ber?= =?utf-8?q?rang=C3=A9?= , Gerd Hoffmann , Paolo Bonzini Subject: [PATCH v5 19/24] hw/uefi-vars-sysbus: qemu platform bus support Date: Tue, 25 Feb 2025 17:30:23 +0100 Message-ID: <20250225163031.1409078-20-kraxel@redhat.com> In-Reply-To: <20250225163031.1409078-1-kraxel@redhat.com> References: <20250225163031.1409078-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass client-ip=170.10.129.124; envelope-from=kraxel@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=-0.443, 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, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Add and register function to create an device tree entry when the device is added to the qemu platform bus. Signed-off-by: Gerd Hoffmann --- hw/core/sysbus-fdt.c | 24 ++++++++++++++++++++++++ hw/uefi/var-service-sysbus.c | 1 + 2 files changed, 25 insertions(+) diff --git a/hw/core/sysbus-fdt.c b/hw/core/sysbus-fdt.c index 774c0aed41b5..e85066b90563 100644 --- a/hw/core/sysbus-fdt.c +++ b/hw/core/sysbus-fdt.c @@ -36,6 +36,7 @@ #include "hw/vfio/vfio-calxeda-xgmac.h" #include "hw/vfio/vfio-amd-xgbe.h" #include "hw/display/ramfb.h" +#include "hw/uefi/var-service-api.h" #include "hw/arm/fdt.h" /* @@ -471,6 +472,28 @@ static int add_tpm_tis_fdt_node(SysBusDevice *sbdev, void *opaque) } #endif +static int add_uefi_vars_node(SysBusDevice *sbdev, void *opaque) +{ + PlatformBusFDTData *data = opaque; + PlatformBusDevice *pbus = data->pbus; + const char *parent_node = data->pbus_node_name; + void *fdt = data->fdt; + uint64_t mmio_base; + char *nodename; + + mmio_base = platform_bus_get_mmio_addr(pbus, sbdev, 0); + nodename = g_strdup_printf("%s/%s@%" PRIx64, parent_node, + UEFI_VARS_FDT_NODE, mmio_base); + qemu_fdt_add_subnode(fdt, nodename); + qemu_fdt_setprop_string(fdt, nodename, + "compatible", UEFI_VARS_FDT_COMPAT); + qemu_fdt_setprop_sized_cells(fdt, nodename, "reg", + 1, mmio_base, + 1, UEFI_VARS_REGS_SIZE); + g_free(nodename); + return 0; +} + static int no_fdt_node(SysBusDevice *sbdev, void *opaque) { return 0; @@ -495,6 +518,7 @@ static const BindingEntry bindings[] = { TYPE_BINDING(TYPE_TPM_TIS_SYSBUS, add_tpm_tis_fdt_node), #endif TYPE_BINDING(TYPE_RAMFB_DEVICE, no_fdt_node), + TYPE_BINDING(TYPE_UEFI_VARS_SYSBUS, add_uefi_vars_node), TYPE_BINDING("", NULL), /* last element */ }; diff --git a/hw/uefi/var-service-sysbus.c b/hw/uefi/var-service-sysbus.c index 60072c8815cd..28572981c2af 100644 --- a/hw/uefi/var-service-sysbus.c +++ b/hw/uefi/var-service-sysbus.c @@ -69,6 +69,7 @@ static void uefi_vars_sysbus_class_init(ObjectClass *klass, void *data) dc->realize = uefi_vars_sysbus_realize; dc->vmsd = &vmstate_uefi_vars_sysbus; + dc->user_creatable = true; device_class_set_legacy_reset(dc, uefi_vars_sysbus_reset); device_class_set_props(dc, uefi_vars_sysbus_properties); set_bit(DEVICE_CATEGORY_MISC, dc->categories);