From nobody Sun Oct 5 14:38:34 2025 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=quarantine dis=none) header.from=kernel.org ARC-Seal: i=1; a=rsa-sha256; t=1754311881; cv=none; d=zohomail.com; s=zohoarc; b=VpqaoPx7uuMVLmU0GAsLFBKKBJXoKr2EzUFUFSjVv+kZhg5At92HIuG1LiK3v7jaPHjf8YjgFz8+x66I3tUY3FpBynuxfmPDWJKEDDFN/eVY2ythb5Ot7L5AcA/M7Un7h7RYM43S6datG/Jy3/35tjsMt3TgDuPFLxFMRqavtU4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1754311881; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=njJVaIqIe6sqKLpFp72s28bWMOkerJgS7/NyUH+svec=; b=mDQ9U0UNtpCV/bRUjjMwQsSVKBsftg+e9p5ICQVSQo7nXTwkt2lWDyYTPDTTqjdtJUdk1Gyazdk1yQgYNzYw/b4SiOBERTZ+Cbdzaa9jW9l7BUrc0hglG+adkkeJrca+eMrfX+qjHEz/1ieIl2EpK/LziL7MSY74mjkXGfbZfw8= 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=quarantine dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1754311881299700.8672530504361; Mon, 4 Aug 2025 05:51:21 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.1069208.1433066 (Exim 4.92) (envelope-from ) id 1uiuee-0003Nv-SG; Mon, 04 Aug 2025 12:51:04 +0000 Received: by outflank-mailman (output) from mailman id 1069208.1433066; Mon, 04 Aug 2025 12:51:04 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1uiuee-0003No-P6; Mon, 04 Aug 2025 12:51:04 +0000 Received: by outflank-mailman (input) for mailman id 1069208; Mon, 04 Aug 2025 12:51:03 +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 1uiuY5-0006V7-E5 for xen-devel@lists.xenproject.org; Mon, 04 Aug 2025 12:44:17 +0000 Received: from nyc.source.kernel.org (nyc.source.kernel.org [147.75.193.91]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id baab2ecc-7130-11f0-b898-0df219b8e170; Mon, 04 Aug 2025 14:44:15 +0200 (CEST) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 0920DA55826; Mon, 4 Aug 2025 12:44:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 58081C4CEF0; Mon, 4 Aug 2025 12:44:13 +0000 (UTC) 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: baab2ecc-7130-11f0-b898-0df219b8e170 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1754311454; bh=qnVGWPERMw1BTa2/gk85Rr9nCLsamOSAPU4HKvyJS1c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OtgAnXB9G/hO4kHiG6lUbx1lGdhplK8QSnQvERbDkZeJ2rBPi5BohP2fOcU1EY1H0 LWK7JmM6eYjvDV85Iv2oqAeUvxpoecgv6pnhGevxoOAJjwoIKIBVlnyhDtWl6iMFdx RkkwEUkNj1PK4RIEa7lvhblH+3HASR9LDXUdd9ooPuLmkTQNLafsqp7vExm+lHX79L xgsW9Dlqtb1H+ROfUItFyQuMNgUa0HHgvJ+5cBoMm5E0OKANto/+eCMPooaSWD2S6k W4Hqu5Itep2BtJPMCEt1CECg7NNUHsl45+R6007i0eogZT7o+A+uJhsGr5xPHo73g0 Vn+VRBXex4Xsg== From: Leon Romanovsky To: Marek Szyprowski Cc: Leon Romanovsky , Jason Gunthorpe , Abdiel Janulgue , Alexander Potapenko , Alex Gaynor , Andrew Morton , Christoph Hellwig , Danilo Krummrich , iommu@lists.linux.dev, Jason Wang , Jens Axboe , Joerg Roedel , Jonathan Corbet , Juergen Gross , kasan-dev@googlegroups.com, Keith Busch , linux-block@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-nvme@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-trace-kernel@vger.kernel.org, Madhavan Srinivasan , Masami Hiramatsu , Michael Ellerman , "Michael S. Tsirkin" , Miguel Ojeda , Robin Murphy , rust-for-linux@vger.kernel.org, Sagi Grimberg , Stefano Stabellini , Steven Rostedt , virtualization@lists.linux.dev, Will Deacon , xen-devel@lists.xenproject.org Subject: [PATCH v1 10/16] xen: swiotlb: Open code map_resource callback Date: Mon, 4 Aug 2025 15:42:44 +0300 Message-ID: X-Mailer: git-send-email 2.50.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @kernel.org) X-ZM-MESSAGEID: 1754311882967124100 Content-Type: text/plain; charset="utf-8" From: Leon Romanovsky General dma_direct_map_resource() is going to be removed in next patch, so simply open-code it in xen driver. Signed-off-by: Leon Romanovsky Reviewed-by: Juergen Gross --- drivers/xen/swiotlb-xen.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index da1a7d3d377cf..dd7747a2de879 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -392,6 +392,25 @@ xen_swiotlb_sync_sg_for_device(struct device *dev, str= uct scatterlist *sgl, } } =20 +static dma_addr_t xen_swiotlb_direct_map_resource(struct device *dev, + phys_addr_t paddr, + size_t size, + enum dma_data_direction dir, + unsigned long attrs) +{ + dma_addr_t dma_addr =3D paddr; + + if (unlikely(!dma_capable(dev, dma_addr, size, false))) { + dev_err_once(dev, + "DMA addr %pad+%zu overflow (mask %llx, bus limit %llx).\n", + &dma_addr, size, *dev->dma_mask, dev->bus_dma_limit); + WARN_ON_ONCE(1); + return DMA_MAPPING_ERROR; + } + + return dma_addr; +} + /* * Return whether the given device DMA address mask can be supported * properly. For example, if your device can only drive the low 24-bits @@ -426,5 +445,5 @@ const struct dma_map_ops xen_swiotlb_dma_ops =3D { .alloc_pages_op =3D dma_common_alloc_pages, .free_pages =3D dma_common_free_pages, .max_mapping_size =3D swiotlb_max_mapping_size, - .map_resource =3D dma_direct_map_resource, + .map_resource =3D xen_swiotlb_direct_map_resource, }; --=20 2.50.1