From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 17 Feb 2025 10:59:05 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tjxu6-003Qxo-1O for lore@lore.pengutronix.de; Mon, 17 Feb 2025 10:59:05 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tjxu5-0006Sf-AI for lore@pengutronix.de; Mon, 17 Feb 2025 10:59:05 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:Date:Message-Id:Subject:References:In-Reply-To:To: From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=E5Km1gjMpIQCGexL87J+pFXFFXJ13yH4jHwjhVU+H0s=; b=Io5L8M6HSpQXkf/XqGIHiCiFBh OC7D5CCCuyKdlOF0hd8kZNyHmUbjdxKQM0BpWYMH7stD0G+NsONEEQz+MkFlQB/ZKlSQAgk8AdJWo sZeiJHMo/1IyvL2SGvwQR2ywGZ4wuROJjCMVYOnnXxoIV1bXTwOrTrAjduDz0lYt2pLNEXG/uEoAU OxwW3aPfucMM709JsdzzcEiOiR/4CPK1Aaq9OIo8i9KtEKTFD89eOMh47X3+JGxf0io+sErdU5Dhi HW8MFMg+Kkz7MEtaI0Cvz892s1LGzQP+ShnKCk0EEQBUlsmkxIro06rRcNXH52sU4mglOATsY5I/7 aCRQRDNA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tjxth-000000041Ni-1owy; Mon, 17 Feb 2025 09:58:41 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tjxji-00000003zYr-1nLO for barebox@lists.infradead.org; Mon, 17 Feb 2025 09:48:23 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tjxjg-0004gm-Ow; Mon, 17 Feb 2025 10:48:20 +0100 Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tjxjg-001Ntt-1u; Mon, 17 Feb 2025 10:48:20 +0100 Received: from localhost ([::1] helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1tjxjg-002JZE-1h; Mon, 17 Feb 2025 10:48:20 +0100 From: Sascha Hauer To: barebox@lists.infradead.org, Ahmad Fatoum In-Reply-To: <20250214101206.2876051-1-a.fatoum@pengutronix.de> References: <20250214101206.2876051-1-a.fatoum@pengutronix.de> Message-Id: <173978570052.551144.12311101416064673133.b4-ty@pengutronix.de> Date: Mon, 17 Feb 2025 10:48:20 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.12.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250217_014822_466863_2CD51D94 X-CRM114-Status: UNSURE ( 7.01 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.2 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 1/3] lib: add scatterlist abstraction X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On Fri, 14 Feb 2025 11:12:04 +0100, Ahmad Fatoum wrote: > With barebox using 1:1 memory mapping whenever possible, scatter-gather > DMA seems not that important. Many Linux APIs use struct scatterlist > as parameters though, so adding a basic support in barebox will make > easier to port these drivers. > > Applied, thanks! [1/3] lib: add scatterlist abstraction https://git.pengutronix.de/cgit/barebox/commit/?id=118ef08339cc (link may not be stable) [2/3] virtio: replace virtio_sg with common scatterlist https://git.pengutronix.de/cgit/barebox/commit/?id=2336406d2b91 (link may not be stable) [3/3] virtio: add token data parameter to virtqueue_add_sgs https://git.pengutronix.de/cgit/barebox/commit/?id=2bafe34d2f68 (link may not be stable) Best regards, -- Sascha Hauer