From patchwork Tue Aug 18 10:30:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Paul Durrant X-Patchwork-Id: 11720485 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9EDDD739 for ; Tue, 18 Aug 2020 10:31:02 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 79AF52075E for ; Tue, 18 Aug 2020 10:31:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=xen.org header.i=@xen.org header.b="nSeOaABZ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 79AF52075E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xen.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1k7yt5-0005zd-Ai; Tue, 18 Aug 2020 10:30:39 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1k7yt3-0005zI-Lo for xen-devel@lists.xenproject.org; Tue, 18 Aug 2020 10:30:37 +0000 X-Inumbo-ID: 64f467a5-1e2d-4737-a8f9-9b0c9a029722 Received: from mail.xenproject.org (unknown [104.130.215.37]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 64f467a5-1e2d-4737-a8f9-9b0c9a029722; Tue, 18 Aug 2020 10:30:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=xen.org; s=20200302mail; h=Content-Transfer-Encoding:Content-Type:MIME-Version: Message-Id:Date:Subject:Cc:To:From; bh=u2sW8Qo9MZlEDttqIvbdtCRRB8ULCbaykqttrxV2p/Q=; b=nSeOaABZtNp8bQJa1vV9k2kccc +SzQYfsKA9LWEKK6p06X3H3ORSMiVvewqHSIrbtXBfFFOfTdzfvmQMsais7Vz6d9PUknhluWJWnzY xeeMd/lUtjc3rgPNGjFFI1R3gapPTeicXz5H390fHEzl2e07DwknvlcML7VUezKWOSb0=; Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1k7yt1-00013L-67; Tue, 18 Aug 2020 10:30:35 +0000 Received: from host31-48-92-96.range31-48.btcentralplus.com ([31.48.92.96] helo=u2f063a87eabd5f.home) by xenbits.xenproject.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1k7yt0-0003Rw-SL; Tue, 18 Aug 2020 10:30:35 +0000 From: Paul Durrant To: xen-devel@lists.xenproject.org Cc: Paul Durrant , Andrew Cooper , Daniel De Graaf , George Dunlap , Ian Jackson , Jan Beulich , Julien Grall , =?utf-8?q?Marek_Marczykowski-G=C3=B3recki?= , =?utf-8?q?Roger_Pau_Monn=C3=A9?= , Stefano Stabellini , Volodymyr Babchuk , Wei Liu Subject: [PATCH v7 0/9] domain context infrastructure Date: Tue, 18 Aug 2020 11:30:23 +0100 Message-Id: <20200818103032.3050-1-paul@xen.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" From: Paul Durrant The first 3 patches of the series are largely the same as v6 but patches 4 thru 9 are basically new (patch 7 being inherited from v6 but heavily re-worked). Patch 4 is cleanup work that I noticed needed doing whilst working patch 5. Paul Durrant (9): xen/common: introduce a new framework for save/restore of 'domain' context xen/common/domctl: introduce XEN_DOMCTL_get/setdomaincontext tools/misc: add xen-domctx to present domain context docs/specs: add missing definitions to libxc-migration-stream docs / tools: specific migration v4 to include DOMAIN_CONTEXT tools/libxc: split restore handler handle_shared_info() functionality common/domain: add a domain context record for shared_info... x86/time: add a domain context record for tsc_info... tools/libxc: add DOMAIN_CONTEXT records to the migration stream... .gitignore | 1 + docs/specs/libxc-migration-stream.pandoc | 69 ++++- tools/flask/policy/modules/xen.if | 4 +- tools/libxc/include/xenctrl.h | 5 + tools/libxc/xc_domain.c | 56 ++++ tools/libxc/xc_sr_common.c | 1 + tools/libxc/xc_sr_common.h | 3 + tools/libxc/xc_sr_common_x86.c | 20 -- tools/libxc/xc_sr_common_x86.h | 6 - tools/libxc/xc_sr_restore.c | 45 +++- tools/libxc/xc_sr_restore_x86_pv.c | 31 ++- tools/libxc/xc_sr_save.c | 52 +++- tools/libxc/xc_sr_save_x86_hvm.c | 5 - tools/libxc/xc_sr_save_x86_pv.c | 22 -- tools/libxc/xc_sr_stream_format.h | 1 + tools/misc/Makefile | 4 + tools/misc/xen-domctx.c | 290 +++++++++++++++++++++ tools/python/xen/migration/libxc.py | 2 + xen/arch/x86/time.c | 34 ++- xen/common/Makefile | 1 + xen/common/domain.c | 114 ++++++++ xen/common/domctl.c | 173 +++++++++++++ xen/common/save.c | 315 +++++++++++++++++++++++ xen/include/asm-x86/time.h | 5 +- xen/include/public/arch-arm/hvm/save.h | 5 + xen/include/public/arch-x86/hvm/save.h | 5 + xen/include/public/domctl.h | 41 +++ xen/include/public/save.h | 111 ++++++++ xen/include/xen/save.h | 170 ++++++++++++ xen/xsm/flask/hooks.c | 6 + xen/xsm/flask/policy/access_vectors | 4 + 31 files changed, 1525 insertions(+), 76 deletions(-) create mode 100644 tools/misc/xen-domctx.c create mode 100644 xen/common/save.c create mode 100644 xen/include/public/save.h create mode 100644 xen/include/xen/save.h --- Cc: Andrew Cooper Cc: Daniel De Graaf Cc: George Dunlap Cc: Ian Jackson Cc: Jan Beulich Cc: Julien Grall Cc: "Marek Marczykowski-Górecki" Cc: "Roger Pau Monné" Cc: Stefano Stabellini Cc: Volodymyr Babchuk Cc: Wei Liu