From nobody Mon Feb 9 09:43:12 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1660023329; cv=none; d=zohomail.com; s=zohoarc; b=ma1QGXyEdK8fOAAU/GoerjeO9ZKZqgs8VTiPg961mnPsDSYD0XY003OlnYgilep46WynjbL/oeWle/MP4OkBIxDBnfrc9LEiRp6WRw9m6hHdr29g0uHtheyQegXdxSUX6V2VQN8iUFWyM5U3V5pUKJillyoPkQo6IiPwoAzdNWo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1660023329; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=NifFepPUEguH0dl29HRZU/y8m1pbiLwFccGf0MAc2pA=; b=bXxTK63q/0EI/bGWiwoe5emhShgyNs0YrgS8scEImEQJcRaKVeut8Stl2BsT+xx3KkxaZT87XGZmTsjzoywaJgTokTUxqUpSrDbFFxunhmet8mhgj7I9G3CzPVhVtVKJ94c9Y/GSAoWnaQeWbXYV9lFgVKFRAkEQczymPXO7/Kk= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1660023329670175.23718340477365; Mon, 8 Aug 2022 22:35:29 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.382694.617753 (Exim 4.92) (envelope-from ) id 1oLHtY-0007zd-57; Tue, 09 Aug 2022 05:35:12 +0000 Received: by outflank-mailman (output) from mailman id 382694.617753; Tue, 09 Aug 2022 05:35:12 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oLHtY-0007zP-1x; Tue, 09 Aug 2022 05:35:12 +0000 Received: by outflank-mailman (input) for mailman id 382694; Tue, 09 Aug 2022 05:35:10 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oLHtW-0006dh-BL for xen-devel@lists.xen.org; Tue, 09 Aug 2022 05:35:10 +0000 Received: from mail-pf1-x431.google.com (mail-pf1-x431.google.com [2607:f8b0:4864:20::431]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 0446a8a2-17a5-11ed-924f-1f966e50362f; Tue, 09 Aug 2022 07:35:03 +0200 (CEST) Received: by mail-pf1-x431.google.com with SMTP id 130so9867402pfv.13 for ; Mon, 08 Aug 2022 22:35:09 -0700 (PDT) Received: from localhost ([122.171.18.80]) by smtp.gmail.com with ESMTPSA id u11-20020a17090341cb00b0016be14a776asm9780535ple.286.2022.08.08.22.35.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Aug 2022 22:35:07 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 0446a8a2-17a5-11ed-924f-1f966e50362f DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=NifFepPUEguH0dl29HRZU/y8m1pbiLwFccGf0MAc2pA=; b=ah2SuRCjUKuhv6hVLB517eCMzsnil5+BM1eVIYMRFKCDB/Dvpg3drAYwg0yEBs2bq6 p98EcRuCrmJInJmt0KUgy1LQ4ZEru+Hf7uZod7FYlB1RyhWbf7twlWCj43QjBJhvPbZy ZonQaXmY0G8LsqzoNUttBnrAGwDA+MBhRB4tB4ULXgcXA+QTIlsKAephC50pHZ1M/jey 1XufQpw/7zREXXeH46/fv9gbM2mPLMzAidpQK5C3pd8os9rbTBRF7qmdwr2OWrtIPAex wMPUb49lkvTDhoMreWA1dJF0t93kVbu1uPJtedHXvCdBGUaokEgoEYIZ6pIuzlWxwY59 lM2g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=NifFepPUEguH0dl29HRZU/y8m1pbiLwFccGf0MAc2pA=; b=JmKKEB2OLunlUikx1OZoeKMHr/7dl82YvPFh9mnF5T6o/ULciNNg5D1HFZX/wQ+2XH TJN1AHr0yOrgwprz8rQ70PXzNGfPNk73RkBvrmqE+K7nw37rSHaCWC3d6VzRVNgbdibs dYKyzqux+CeSh5BmKOQpfSOuI6G4i7zGrD+7rb4ffQT3oftdXainb1FswW4MxRPNkUo2 I9XgwjIM2TPOPW3yZR33KV+iT+PRGhJxfZPeCn1ImHxEjNiLIhtfTo/s9onx5+Wp2Kti 0pwHGtaoHrSO5rodFxdnDw+x3e+hJXtOKpTUx3x9kzwEKjv/oP6IPV1UtRjBeGU6UefR 3Skw== X-Gm-Message-State: ACgBeo1fXmjKHpE76i8t0KzVdC9DyEr7qcF3DhiVhcVsOVxzw11BTidE daDtMp30cJmXRbiLwvNahV4khZ3/pf80jw== X-Google-Smtp-Source: AA6agR5gnYMyP837LUSYvjIMwCdyIj8l6QnmsH6niTyS910SeX5CSj47a3c/PFLRrKjgXspgncMDww== X-Received: by 2002:a65:6b8a:0:b0:3db:7dc5:fec2 with SMTP id d10-20020a656b8a000000b003db7dc5fec2mr17535630pgw.223.1660023308188; Mon, 08 Aug 2022 22:35:08 -0700 (PDT) From: Viresh Kumar To: xen-devel@lists.xen.org Cc: Viresh Kumar , Vincent Guittot , stratos-dev@op-lists.linaro.org, =?UTF-8?q?Alex=20Benn=C3=A9e?= , Stefano Stabellini , Mathieu Poirier , Mike Holmes , Oleksandr Tyshchenko , Wei Liu , Juergen Gross , Julien Grall Subject: [PATCH V4 6/6] libxl: Allocate MMIO params for GPIO device and update DT Date: Tue, 9 Aug 2022 11:04:33 +0530 Message-Id: X-Mailer: git-send-email 2.31.1.272.g89b43f80a514 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1660023331209100007 Content-Type: text/plain; charset="utf-8" This patch allocates Virtio MMIO params (IRQ and memory region) and pass them to the backend, also update Guest device-tree based on Virtio GPIO DT bindings [1]. [1] https://www.kernel.org/doc/Documentation/devicetree/bindings/gpio/gpio-= virtio.yaml Signed-off-by: Viresh Kumar Reviewed-by: Oleksandr Tyshchenko --- tools/libs/light/libxl_arm.c | 51 ++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/tools/libs/light/libxl_arm.c b/tools/libs/light/libxl_arm.c index 93ea8e3d3fa3..c0ffb7f179d4 100644 --- a/tools/libs/light/libxl_arm.c +++ b/tools/libs/light/libxl_arm.c @@ -119,6 +119,15 @@ int libxl__arch_domain_prepare_config(libxl__gc *gc, return rc; } =20 + for (i =3D 0; i < d_config->num_gpios; i++) { + libxl_device_gpio *gpio =3D &d_config->gpios[i]; + + int rc =3D alloc_virtio_mmio_params(gc, &gpio->base, &gpio->irq, + &virtio_mmio_base, &virtio_mmio_irq); + if (rc) + return rc; + } + /* * Every virtio-mmio device uses one emulated SPI. If Virtio devices a= re * present, make sure that we allocate enough SPIs for them. @@ -976,6 +985,38 @@ static int make_virtio_mmio_node_i2c(libxl__gc *gc, vo= id *fdt, uint64_t base, return fdt_end_node(fdt); } =20 +static int make_virtio_mmio_node_gpio(libxl__gc *gc, void *fdt, uint64_t b= ase, + uint32_t irq, uint32_t backend_domid) +{ + int res; + + res =3D make_virtio_mmio_node_common(gc, fdt, base, irq, backend_domid= ); + if (res) return res; + + res =3D fdt_begin_node(fdt, "gpio"); + if (res) return res; + + res =3D fdt_property_compat(gc, fdt, 1, "virtio,device29"); + if (res) return res; + + res =3D fdt_property(fdt, "gpio-controller", NULL, 0); + if (res) return res; + + res =3D fdt_property_cell(fdt, "#gpio-cells", 2); + if (res) return res; + + res =3D fdt_property(fdt, "interrupt-controller", NULL, 0); + if (res) return res; + + res =3D fdt_property_cell(fdt, "#interrupt-cells", 2); + if (res) return res; + + res =3D fdt_end_node(fdt); + if (res) return res; + + return fdt_end_node(fdt); +} + static const struct arch_info *get_arch_info(libxl__gc *gc, const struct xc_dom_image *do= m) { @@ -1308,6 +1349,16 @@ static int libxl__prepare_dtb(libxl__gc *gc, libxl_d= omain_config *d_config, i2c->backend_domid) ); } =20 + for (i =3D 0; i < d_config->num_gpios; i++) { + libxl_device_gpio *gpio =3D &d_config->gpios[i]; + + if (gpio->backend_domid !=3D LIBXL_TOOLSTACK_DOMID) + iommu_needed =3D true; + + FDT( make_virtio_mmio_node_gpio(gc, fdt, gpio->base, gpio->irq, + gpio->backend_domid) ); + } + /* * Note, this should be only called after creating all virtio-mmio * device nodes --=20 2.31.1.272.g89b43f80a514