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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8866DC6FD1A for ; Tue, 7 Mar 2023 18:28:55 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pZc1z-0006ee-38; Tue, 07 Mar 2023 13:27:23 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pZc1w-0006dl-VR for qemu-devel@nongnu.org; Tue, 07 Mar 2023 13:27:21 -0500 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pZc1s-0005xT-NF for qemu-devel@nongnu.org; Tue, 07 Mar 2023 13:27:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:In-Reply-To:References; bh=IaNafSRjao+HaQw+ELYtYhkTBjvlc263O8BCVna3wJQ=; b=AqDQak70zR9wTipkqxullPY4kX ZoGJ6bhYui0ncHAA5WTJ6IF2bEtLU3hiavoVEzGKJBVrlYa5rYIOE4CgdTzrlitaLDwvSOLzjPOEv 1fe0qLcdks+wXeorcMBrIKW+eLT+49EPPnnhek5q7IN0NJ+rPxNCzUOnlvows0yrZLRUKwBwlB7V/ NUGykSofL946Crl6ODSdlGzB81/sQEgK4yCfSIm9454Br/+ECWLxg8MBLHrKWZ7zR9lirgZlIfw+6 NipmUli0AZB93LBghuS1GB6223Ehwpxe2bvIpI7fN9Im22Ui4X13fvgGWErxDHwu+1EgrHE9z6Ra4 IV/F7Y4w==; Received: from i7.infradead.org ([2001:8b0:10b:1:21e:67ff:fecb:7a92]) by desiato.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1pZc1m-00H8T0-30; Tue, 07 Mar 2023 18:27:11 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1pZc1m-009e87-2N; Tue, 07 Mar 2023 18:27:10 +0000 From: David Woodhouse To: Peter Maydell Cc: qemu-devel@nongnu.org, Paolo Bonzini , Paul Durrant , Joao Martins , Ankur Arora , Stefano Stabellini , vikram.garhwal@amd.com, Anthony Perard , xen-devel@lists.xenproject.org, Juan Quintela , "Dr . David Alan Gilbert" Subject: [PULL 00/27] Enable PV backends with Xen/KVM emulation Date: Tue, 7 Mar 2023 18:26:40 +0000 Message-Id: <20230307182707.2298618-1-dwmw2@infradead.org> X-Mailer: git-send-email 2.39.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by desiato.infradead.org. See http://www.infradead.org/rpr.html Received-SPF: none client-ip=2001:8b0:10b:1:d65d:64ff:fe57:4e05; envelope-from=BATV+98a25f4d4d04c9e21499+7135+infradead.org+dwmw2@desiato.srs.infradead.org; helo=desiato.infradead.org X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org The following changes since commit 9832009d9dd2386664c15cc70f6e6bfe062be8bd: Merge tag 'pull-riscv-to-apply-20230306' of https://gitlab.com/palmer-dabbelt/qemu into staging (2023-03-07 12:53:00 +0000) are available in the Git repository at: git://git.infradead.org/users/dwmw2/qemu.git refs/tags/xenfv-2 for you to fetch changes up to 154eac37190c4d80d29b09c226abd899e397530f: docs: Update Xen-on-KVM documentation for PV disk support (2023-03-07 17:04:30 +0000) Tested-by: Paul Durrant ... on real Xen (master branch, 4.18) with a Debian guest. ---------------------------------------------------------------- David Woodhouse (23): hw/xen: Add xenstore wire implementation and implementation stubs hw/xen: Add basic XenStore tree walk and write/read/directory support hw/xen: Implement XenStore watches hw/xen: Implement XenStore transactions hw/xen: Watches on XenStore transactions hw/xen: Implement core serialize/deserialize methods for xenstore_impl hw/xen: Add evtchn operations to allow redirection to internal emulation hw/xen: Add gnttab operations to allow redirection to internal emulation hw/xen: Pass grant ref to gnttab unmap operation hw/xen: Add foreignmem operations to allow redirection to internal emulation hw/xen: Move xenstore_store_pv_console_info to xen_console.c hw/xen: Use XEN_PAGE_SIZE in PV backend drivers hw/xen: Rename xen_common.h to xen_native.h hw/xen: Build PV backend drivers for CONFIG_XEN_BUS hw/xen: Only advertise ring-page-order for xen-block if gnttab supports it hw/xen: Hook up emulated implementation for event channel operations hw/xen: Add emulated implementation of grant table operations hw/xen: Add emulated implementation of XenStore operations hw/xen: Map guest XENSTORE_PFN grant in emulated Xenstore hw/xen: Implement soft reset for emulated gnttab i386/xen: Initialize Xen backends from pc_basic_device_init() for emulation MAINTAINERS: Add entry for Xen on KVM emulation docs: Update Xen-on-KVM documentation for PV disk support Paul Durrant (4): hw/xen: Implement XenStore permissions hw/xen: Create initial XenStore nodes hw/xen: Add xenstore operations to allow redirection to internal emulation hw/xen: Avoid crash when backend watch fires too early MAINTAINERS | 9 + accel/xen/xen-all.c | 69 +- docs/system/i386/xen.rst | 30 +- hw/9pfs/meson.build | 2 +- hw/9pfs/xen-9p-backend.c | 32 +- hw/block/dataplane/meson.build | 2 +- hw/block/dataplane/xen-block.c | 12 +- hw/block/meson.build | 2 +- hw/block/xen-block.c | 12 +- hw/char/meson.build | 2 +- hw/char/xen_console.c | 57 +- hw/display/meson.build | 2 +- hw/display/xenfb.c | 32 +- hw/i386/kvm/meson.build | 1 + hw/i386/kvm/trace-events | 15 + hw/i386/kvm/xen_evtchn.c | 15 + hw/i386/kvm/xen_gnttab.c | 325 ++++- hw/i386/kvm/xen_gnttab.h | 1 + hw/i386/kvm/xen_xenstore.c | 1251 +++++++++++++++- hw/i386/kvm/xenstore_impl.c | 1927 +++++++++++++++++++++++++ hw/i386/kvm/xenstore_impl.h | 63 + hw/i386/pc.c | 7 + hw/i386/pc_piix.c | 4 +- hw/i386/xen/xen-hvm.c | 38 +- hw/i386/xen/xen-mapcache.c | 2 +- hw/i386/xen/xen_platform.c | 7 +- hw/net/xen_nic.c | 25 +- hw/usb/meson.build | 2 +- hw/usb/xen-usb.c | 29 +- hw/xen/meson.build | 6 +- hw/xen/trace-events | 2 +- hw/xen/xen-bus-helper.c | 62 +- hw/xen/xen-bus.c | 411 +----- hw/xen/xen-legacy-backend.c | 254 +--- hw/xen/xen-operations.c | 478 ++++++ hw/xen/xen_devconfig.c | 4 +- hw/xen/xen_pt.c | 2 +- hw/xen/xen_pt.h | 2 +- hw/xen/xen_pt_config_init.c | 2 +- hw/xen/xen_pt_graphics.c | 1 - hw/xen/xen_pt_msi.c | 4 +- hw/xen/xen_pvdev.c | 63 +- include/hw/xen/xen-bus-helper.h | 26 +- include/hw/xen/xen-bus.h | 21 +- include/hw/xen/xen-legacy-backend.h | 24 +- include/hw/xen/xen.h | 24 +- include/hw/xen/xen_backend_ops.h | 408 ++++++ include/hw/xen/{xen_common.h => xen_native.h} | 75 +- include/hw/xen/xen_pvdev.h | 6 +- softmmu/globals.c | 4 + target/i386/kvm/xen-emu.c | 5 + tests/unit/meson.build | 1 + tests/unit/test-xs-node.c | 871 +++++++++++ 53 files changed, 5804 insertions(+), 927 deletions(-) create mode 100644 hw/i386/kvm/xenstore_impl.c create mode 100644 hw/i386/kvm/xenstore_impl.h create mode 100644 hw/xen/xen-operations.c create mode 100644 include/hw/xen/xen_backend_ops.h rename include/hw/xen/{xen_common.h => xen_native.h} (89%) create mode 100644 tests/unit/test-xs-node.c