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 2DE10CA0EEB for ; Tue, 19 Aug 2025 17:38:49 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 77B8F8E0005; Tue, 19 Aug 2025 13:38:45 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 704618E0045; Tue, 19 Aug 2025 13:38:45 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5CCAA8E0005; Tue, 19 Aug 2025 13:38:45 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 40DCC8E0045 for ; Tue, 19 Aug 2025 13:38:45 -0400 (EDT) Received: from smtpin24.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 0FA6814019B for ; Tue, 19 Aug 2025 17:38:45 +0000 (UTC) X-FDA: 83794217010.24.81AACDB Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf13.hostedemail.com (Postfix) with ESMTP id 7854720002 for ; Tue, 19 Aug 2025 17:38:42 +0000 (UTC) Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=mqPmNYet; spf=pass (imf13.hostedemail.com: domain of leon@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=leon@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1755625122; 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=Py7VOBxcd4HwAc7HHDB+PTMRXMSLHO8b88vcAnVEU6A=; b=LK7IQOi86WF6FgqhQNiBIfTLy7oNmqQqB5VKZoBJzI8nSi+PkKf950/oyLjhVERADRFAaI uaiB1QTkr8FhcBzX1oEjWtuJj4oFdqYqeLKDqLCd84gicngeprVSSnf49xkqCzqW2ql53X 96qfpyPh80CGlaDeIiZq4dXi/0h8mzY= ARC-Authentication-Results: i=1; imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=mqPmNYet; spf=pass (imf13.hostedemail.com: domain of leon@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=leon@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1755625122; a=rsa-sha256; cv=none; b=YfQrSI+MDA6wXMY+JTDXBop63jTY3xIhTSSvWjQT93AVEz2dzpZi5ePN7QQU94VTJR3+TP Ybc+UlvWwXpOV5nJmhGKW8ag3kuV/0xW/rzlxGGCEGNT7ihJ1OkqvA0j+uka/y8PTUtrhn K4DudF2Gnm4KqENlHqzXqQ7/zmNwEV0= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id D42D360209; Tue, 19 Aug 2025 17:38:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 55B1EC4CEF4; Tue, 19 Aug 2025 17:38:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755625109; bh=0mJoy+46tPnckyRiCMrZ6rM11HgiRAqoXhfeDURewQs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mqPmNYet1sH32wQnvqz+VvZ80hlj8hmAn5LZc210nMHXG8bXYuHHo6lQnpRQ7wdDm AVkPPjVfSjLNW0DehbYvlIM2mXfpwOQAjPxs6e3RlPIo73ds9O4X7lgEElc8ORAi/f C/x1WmcQqUdWnZImWQk08xqztT32jxKdhvXMOS9p8adbr0qesEwjEYXcIE7Gr89B9V D5kxqWCfk0RMLfyN34FLwGfWViKqrxfYSCkMcFA4I+yentRF7/d5qM2RviS+FzeTgP DNhrTd61vuyUNS97sahLp3RYlTbC6p901YEbBgWhZmWbk3sGcF6U+DBlT0qK2dJfvC h1+6GBB7poGFg== 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 v4 10/16] xen: swiotlb: Open code map_resource callback Date: Tue, 19 Aug 2025 20:36:54 +0300 Message-ID: X-Mailer: git-send-email 2.50.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 7854720002 X-Rspamd-Server: rspam04 X-Rspam-User: X-Stat-Signature: s3xez56rozt3jke7wgzrp9qy5udbujnu X-HE-Tag: 1755625122-848642 X-HE-Meta: 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 2s9rbrsv MNE+BrKXm1OumJJXH9TlO2zn84SJWm8AmMf1KqIckCyhOCfJKOJqcz7ckv+EHVkFMHDAbJXXm+fcu3e3ZClwgKu50rIVbT2VuJ13ISVeqRTOaR2QvpbwVGIUn4bwv+cd3NHun96i9yDGEMyJW8gHPdhxuNqUZONsEKhNSdVgj1BWqpjQB+9/dnud0lXHbwf1BTGZ3D5zeKJTIGY8CmT+4mA5sqW48KpdzQU3U6nXSQqa4UbZ17R6rToscvOF9l9NGNBulP7Dl1iFoedSqHrbtxLnQEStx2RG/r1HEEbpTw0x+PIlKh4uSO4sKbNkGEUJhPzbLwyN1fciDnMHl9y7w1r37AazIyj4CBOBKRZBkBm11avZcUTF/IiB5Y5x+Mbm/WF4RiEtSR94Y/XE/rgY4ZuwUwQ== 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: List-Subscribe: List-Unsubscribe: From: Leon Romanovsky General dma_direct_map_resource() is going to be removed in next patch, so simply open-code it in xen driver. Reviewed-by: Juergen Gross Signed-off-by: Leon Romanovsky --- 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 da1a7d3d377c..dd7747a2de87 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, struct scatterlist *sgl, } } +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 = 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 = { .alloc_pages_op = dma_common_alloc_pages, .free_pages = dma_common_free_pages, .max_mapping_size = swiotlb_max_mapping_size, - .map_resource = dma_direct_map_resource, + .map_resource = xen_swiotlb_direct_map_resource, }; -- 2.50.1