From patchwork Tue Nov 24 19:17:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Durrant X-Patchwork-Id: 11929621 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6B898C6379D for ; Tue, 24 Nov 2020 19:18:14 +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 DF962206C0 for ; Tue, 24 Nov 2020 19:18:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=xen.org header.i=@xen.org header.b="XhYSWVF0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DF962206C0 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 list by lists.xenproject.org with outflank-mailman.36879.68960 (Exim 4.92) (envelope-from ) id 1khdp7-0003OX-QK; Tue, 24 Nov 2020 19:17:57 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 36879.68960; Tue, 24 Nov 2020 19:17:57 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1khdp7-0003OE-K5; Tue, 24 Nov 2020 19:17:57 +0000 Received: by outflank-mailman (input) for mailman id 36879; Tue, 24 Nov 2020 19:17:56 +0000 Received: from mail.xenproject.org ([104.130.215.37]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1khdp6-0003NJ-IB for xen-devel@lists.xenproject.org; Tue, 24 Nov 2020 19:17:56 +0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1khdp5-000473-MH; Tue, 24 Nov 2020 19:17:55 +0000 Received: from host86-183-162-145.range86-183.btcentralplus.com ([86.183.162.145] helo=u2f063a87eabd5f.home) by xenbits.xenproject.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1khdp5-0001af-EV; Tue, 24 Nov 2020 19:17:55 +0000 Received: from mail.xenproject.org ([104.130.215.37]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1khdp6-0003NJ-IB for xen-devel@lists.xenproject.org; Tue, 24 Nov 2020 19:17:56 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=xen.org; s=20200302mail; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-Id:Date:Subject:Cc:To:From; bh=Ab1xFXjavoHWImv5EdYjiLsTfFXo0yohVYFMNSfSBu8=; b=XhYSWVF0+rPXX327YXZdWgIakp hwNMBq11dVZDKNTIM1BiXi5SO/7j2c9rqUefBht0MR1ONR9FEJ6+ELuaXw2ZNaDKvdRND+BA4ZURu 9WF7A9N0zZHn8PBV0g7BcM53MGzaFZVF+N8cnaT6twdxkh0VpmoNefvIcFnw7mnxCAlI=; Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1khdp5-000473-MH; Tue, 24 Nov 2020 19:17:55 +0000 Received: from host86-183-162-145.range86-183.btcentralplus.com ([86.183.162.145] helo=u2f063a87eabd5f.home) by xenbits.xenproject.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1khdp5-0001af-EV; Tue, 24 Nov 2020 19:17:55 +0000 From: Paul Durrant To: xen-devel@lists.xenproject.org Cc: Paul Durrant , Eslam Elnikety , Ian Jackson , Wei Liu , Anthony PERARD Subject: [PATCH v4 2/3] libxl: add a 'disable_fifo_evtchn' flag to libxl_domain_build_info ... Date: Tue, 24 Nov 2020 19:17:50 +0000 Message-Id: <20201124191751.11472-3-paul@xen.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201124191751.11472-1-paul@xen.org> References: <20201124191751.11472-1-paul@xen.org> MIME-Version: 1.0 From: Paul Durrant ...to control setting the domain create flag XEN_DOMCTL_CDF_disable_fifo. Signed-off-by: Paul Durrant Signed-off-by: Eslam Elnikety --- Cc: Ian Jackson Cc: Wei Liu Cc: Anthony PERARD v4: - New in v4 --- tools/include/libxl.h | 8 ++++++++ tools/libs/light/libxl_create.c | 5 +++++ tools/libs/light/libxl_types.idl | 1 + 3 files changed, 14 insertions(+) diff --git a/tools/include/libxl.h b/tools/include/libxl.h index 1ea5b4f446e8..fe0aad632c08 100644 --- a/tools/include/libxl.h +++ b/tools/include/libxl.h @@ -444,6 +444,14 @@ */ #define LIBXL_HAVE_DISK_SAFE_REMOVE 1 +/* + * LIBXL_HAVE_BUILDINFO_DISABLE_EVTCHN_FIFO indicates that + * libxl_domain_build_info has a disable_evtchn_fifo (boolean) field + * to determine whether the EVTCHNOPs to initialize and manipulate FIFO + * event channels are exposed to the guest. + */ +#define LIBXL_HAVE_BUILDINFO_DISABLE_EVTCHN_FIFO 1 + /* * libxl ABI compatibility * diff --git a/tools/libs/light/libxl_create.c b/tools/libs/light/libxl_create.c index 321a13e519b5..abbbd91442c0 100644 --- a/tools/libs/light/libxl_create.c +++ b/tools/libs/light/libxl_create.c @@ -263,6 +263,8 @@ int libxl__domain_build_info_setdefault(libxl__gc *gc, if (!b_info->event_channels) b_info->event_channels = 1023; + libxl_defbool_setdefault(&b_info->disable_evtchn_fifo, false); + libxl__arch_domain_build_info_setdefault(gc, b_info); libxl_defbool_setdefault(&b_info->dm_restrict, false); @@ -609,6 +611,9 @@ int libxl__domain_make(libxl__gc *gc, libxl_domain_config *d_config, .max_maptrack_frames = b_info->max_maptrack_frames, }; + if (libxl_defbool_val(b_info->disable_evtchn_fifo)) + create.flags |= XEN_DOMCTL_CDF_disable_fifo; + if (info->type != LIBXL_DOMAIN_TYPE_PV) { create.flags |= XEN_DOMCTL_CDF_hvm; diff --git a/tools/libs/light/libxl_types.idl b/tools/libs/light/libxl_types.idl index 9d3f05f39978..fa3f6ec3425e 100644 --- a/tools/libs/light/libxl_types.idl +++ b/tools/libs/light/libxl_types.idl @@ -541,6 +541,7 @@ libxl_domain_build_info = Struct("domain_build_info",[ ("iomem", Array(libxl_iomem_range, "num_iomem")), ("claim_mode", libxl_defbool), ("event_channels", uint32), + ("disable_evtchn_fifo",libxl_defbool), ("kernel", string), ("cmdline", string), ("ramdisk", string),