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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6FF6AC433FE for ; Fri, 7 Oct 2022 06:41:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229603AbiJGGlv (ORCPT ); Fri, 7 Oct 2022 02:41:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41274 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229674AbiJGGlt (ORCPT ); Fri, 7 Oct 2022 02:41:49 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F6BBC8970 for ; Thu, 6 Oct 2022 23:41:47 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 1DB8C218FC; Fri, 7 Oct 2022 06:41:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1665124906; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=fjnPZrMU8HQlRaEL1NbINikk37iX63+Ug6moJ46OZmk=; b=hYTSewCYiI+AB2wh7D9K8770bh/oZfm6y1fNcNhyF18xnoHpjxv9vyOEKHo/JgmjOEUkSr ejlzKkTwdN78gU9FbLy5mRYt+ERVN2a8+E9cpQeoTYHfRD2iIUWanZ7JciAtrBVkEUYRfZ t7xafpoAia1OgwgajW+TLytKRgpk9x0= Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id A588B13A3D; Fri, 7 Oct 2022 06:41:45 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id cy/WJinKP2PjSQAAMHmgww (envelope-from ); Fri, 07 Oct 2022 06:41:45 +0000 From: Juergen Gross To: linux-kernel@vger.kernel.org, x86@kernel.org Cc: Juergen Gross , Stefano Stabellini , Oleksandr Tyshchenko , xen-devel@lists.xenproject.org, Boris Ostrovsky , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" Subject: [PATCH v2 0/3] xen/virtio: support grant based virtio on x86 Date: Fri, 7 Oct 2022 08:41:40 +0200 Message-Id: <20221007064143.10049-1-jgross@suse.com> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add basic support for virtio with grants on x86 by defaulting the backend to be in dom0 in the case the guest kernel was built with CONFIG_XEN_VIRTIO_FORCE_GRANT. Juergen Gross (3): xen/virtio: restructure xen grant dma setup xen/virtio: use dom0 as default backend for CONFIG_XEN_VIRTIO_FORCE_GRANT xen/virtio: enable grant based virtio on x86 arch/x86/xen/enlighten_hvm.c | 2 +- arch/x86/xen/enlighten_pv.c | 2 +- drivers/xen/grant-dma-ops.c | 83 +++++++++++++++++++++++++----------- include/xen/xen-ops.h | 6 +++ 4 files changed, 65 insertions(+), 28 deletions(-) -- 2.35.3