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 7FED8C433F5 for ; Thu, 6 Oct 2022 07:15:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230193AbiJFHPR (ORCPT ); Thu, 6 Oct 2022 03:15:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56794 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230029AbiJFHPL (ORCPT ); Thu, 6 Oct 2022 03:15:11 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 979D4220FA for ; Thu, 6 Oct 2022 00:15:04 -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-out2.suse.de (Postfix) with ESMTPS id 1C3081F893; Thu, 6 Oct 2022 07:15:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1665040503; 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=F4Hi4dJTyEkg0FruOU9TNRrOsyiLA+8nKk3nWX9VhZE=; b=ZhV6kFBaLi5TbOhS0qhdtyfiCwBaPWE8FdyiFl7JZTsGqjUjwktFVVsm7MfLtRf6z1qMs7 gNEidOcTQv3IXG00aNrtlX3Sg3vluSmR3qCFdeoHIUikCbD1jRqdAicy+D879PW4QVHlzp /e4Nlyj5Uc7/GCpAOPtzW+zlk+tZBvc= 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 A893A1376E; Thu, 6 Oct 2022 07:15:02 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id jMLaJnaAPmMpEwAAMHmgww (envelope-from ); Thu, 06 Oct 2022 07:15:02 +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 0/3] xen/virtio: support grant based virtio on x86 Date: Thu, 6 Oct 2022 09:14:57 +0200 Message-Id: <20221006071500.15689-1-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 | 81 +++++++++++++++++++++++++----------- include/xen/xen-ops.h | 1 + 4 files changed, 59 insertions(+), 27 deletions(-) -- 2.35.3