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 X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, T_DKIMWL_WL_HIGH autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by aws-us-west-2-korg-lkml-1.web.codeaurora.org (Postfix) with ESMTP id 437DAC433EF for ; Tue, 12 Jun 2018 20:59:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EEDED2089C for ; Tue, 12 Jun 2018 20:59:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="p0+Os1tn" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EEDED2089C Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=amazon.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934217AbeFLU4j (ORCPT ); Tue, 12 Jun 2018 16:56:39 -0400 Received: from smtp-fw-33001.amazon.com ([207.171.190.10]:6029 "EHLO smtp-fw-33001.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933685AbeFLU4f (ORCPT ); Tue, 12 Jun 2018 16:56:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1528836995; x=1560372995; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=0F1GfjZPIl4k7H/vkwsKAphOOqwq532rc/1rL93kMSg=; b=p0+Os1tnFnJSGqqvMjoccerrRGBaBNQdiuvTiXFKfe3Fek42U6N0adRI Ine32Q4uELpXO5qTJA3nrw8My1v3RJConGWWEMB+DSIyEX/a/hNY6b5q7 04mncv1byNXY4LaiNd7BcUqy81TEPELvK30csxb1YuNuAshQGbygu+ZFx k=; X-IronPort-AV: E=Sophos;i="5.51,216,1526342400"; d="scan'208";a="736713942" Received: from sea3-co-svc-lb6-vlan2.sea.amazon.com (HELO email-inbound-relay-2b-c7131dcf.us-west-2.amazon.com) ([10.47.22.34]) by smtp-border-fw-out-33001.sea14.amazon.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 12 Jun 2018 20:56:32 +0000 Received: from EX13MTAUWB001.ant.amazon.com (pdx1-ws-svc-p6-lb9-vlan3.pdx.amazon.com [10.236.137.198]) by email-inbound-relay-2b-c7131dcf.us-west-2.amazon.com (8.14.7/8.14.7) with ESMTP id w5CKuT1J117272 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Tue, 12 Jun 2018 20:56:32 GMT Received: from EX13D16UWB003.ant.amazon.com (10.43.161.194) by EX13MTAUWB001.ant.amazon.com (10.43.161.249) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Tue, 12 Jun 2018 20:56:28 +0000 Received: from EX13MTAUEE001.ant.amazon.com (10.43.62.200) by EX13D16UWB003.ant.amazon.com (10.43.161.194) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Tue, 12 Jun 2018 20:56:27 +0000 Received: from localhost (10.25.15.63) by mail-relay.amazon.com (10.43.62.226) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Tue, 12 Jun 2018 20:56:27 +0000 From: Anchal Agarwal To: , , , CC: , , , , , , , , , , , , , , , , , Subject: [RFC PATCH 02/12] xen/manage: introduce helper function to know the on-going suspend mode Date: Tue, 12 Jun 2018 20:56:09 +0000 Message-ID: <20180612205619.28156-3-anchalag@amazon.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180612205619.28156-1-anchalag@amazon.com> References: <20180612205619.28156-1-anchalag@amazon.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Munehisa Kamata Introduce simple functions which help to know the on-going suspend mode so that other Xen-related code can behave differently according to the current suspend mode. Signed-off-by: Munehisa Kamata Signed-off-by: Anchal Agarwal Reviewed-by: Alakesh Haloi Reviewed-by: Sebastian Biemueller Reviewed-by: Munehisa Kamata Reviewed-by: Eduardo Valentin --- drivers/xen/manage.c | 15 +++++++++++++++ include/xen/xen-ops.h | 4 ++++ 2 files changed, 19 insertions(+) diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c index 8f9ea87..326631d 100644 --- a/drivers/xen/manage.c +++ b/drivers/xen/manage.c @@ -50,6 +50,21 @@ enum suspend_modes { /* Protected by pm_mutex */ static enum suspend_modes suspend_mode = NO_SUSPEND; +bool xen_suspend_mode_is_xen_suspend(void) +{ + return suspend_mode == XEN_SUSPEND; +} + +bool xen_suspend_mode_is_pm_suspend(void) +{ + return suspend_mode == PM_SUSPEND; +} + +bool xen_suspend_mode_is_pm_hibernation(void) +{ + return suspend_mode == PM_HIBERNATION; +} + struct suspend_info { int cancelled; }; diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h index fd23e42..be78f6f 100644 --- a/include/xen/xen-ops.h +++ b/include/xen/xen-ops.h @@ -39,6 +39,10 @@ u64 xen_steal_clock(int cpu); int xen_setup_shutdown_event(void); +bool xen_suspend_mode_is_xen_suspend(void); +bool xen_suspend_mode_is_pm_suspend(void); +bool xen_suspend_mode_is_pm_hibernation(void); + extern unsigned long *xen_contiguous_bitmap; #ifdef CONFIG_XEN_PV -- 2.7.4