From patchwork Thu Sep 7 08:05:25 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Privoznik X-Patchwork-Id: 9941735 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id A91656038C for ; Thu, 7 Sep 2017 08:07:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 982D91FF28 for ; Thu, 7 Sep 2017 08:07:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8D19728550; Thu, 7 Sep 2017 08:07:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0C2BF1FF28 for ; Thu, 7 Sep 2017 08:07:10 +0000 (UTC) Received: from localhost ([::1]:39208 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dprq9-0003Ka-6R for patchwork-qemu-devel@patchwork.kernel.org; Thu, 07 Sep 2017 04:07:09 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54454) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dprop-0003DK-N8 for qemu-devel@nongnu.org; Thu, 07 Sep 2017 04:05:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dprol-0000TP-ER for qemu-devel@nongnu.org; Thu, 07 Sep 2017 04:05:47 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33966) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dprol-0000Sq-6C for qemu-devel@nongnu.org; Thu, 07 Sep 2017 04:05:43 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4807E85542 for ; Thu, 7 Sep 2017 08:05:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 4807E85542 Authentication-Results: ext-mx04.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx04.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=mprivozn@redhat.com Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8475A60603; Thu, 7 Sep 2017 08:05:40 +0000 (UTC) From: Michal Privoznik To: qemu-devel@nongnu.org Date: Thu, 7 Sep 2017 10:05:25 +0200 Message-Id: In-Reply-To: References: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Thu, 07 Sep 2017 08:05:42 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v5 2/3] watchdog.h: Drop local redefinition of actions enum X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: armbru@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP We already have enum that enumerates all the actions that a watchdog can take when hitting its timeout: WatchdogAction. Use that instead of inventing our own. Signed-off-by: Michal Privoznik Reviewed-by: Daniel P. Berrange --- hw/watchdog/watchdog.c | 45 ++++++++++++++++++++------------------------- hw/watchdog/wdt_diag288.c | 6 +++--- include/sysemu/watchdog.h | 12 ++---------- 3 files changed, 25 insertions(+), 38 deletions(-) diff --git a/hw/watchdog/watchdog.c b/hw/watchdog/watchdog.c index 358d79804d..0d3eeed187 100644 --- a/hw/watchdog/watchdog.c +++ b/hw/watchdog/watchdog.c @@ -30,7 +30,7 @@ #include "hw/nmi.h" #include "qemu/help_option.h" -static int watchdog_action = WDT_RESET; +static WatchdogAction watchdog_action = WATCHDOG_ACTION_RESET; static QLIST_HEAD(watchdog_list, WatchdogTimerModel) watchdog_list; void watchdog_add_model(WatchdogTimerModel *model) @@ -77,27 +77,19 @@ int select_watchdog(const char *p) int select_watchdog_action(const char *p) { - if (strcasecmp(p, "reset") == 0) - watchdog_action = WDT_RESET; - else if (strcasecmp(p, "shutdown") == 0) - watchdog_action = WDT_SHUTDOWN; - else if (strcasecmp(p, "poweroff") == 0) - watchdog_action = WDT_POWEROFF; - else if (strcasecmp(p, "pause") == 0) - watchdog_action = WDT_PAUSE; - else if (strcasecmp(p, "debug") == 0) - watchdog_action = WDT_DEBUG; - else if (strcasecmp(p, "none") == 0) - watchdog_action = WDT_NONE; - else if (strcasecmp(p, "inject-nmi") == 0) - watchdog_action = WDT_NMI; - else - return -1; + int action; + char *qapi_value; + qapi_value = g_ascii_strdown(p, -1); + action = qapi_enum_parse(&WatchdogAction_lookup, qapi_value, -1, NULL); + g_free(qapi_value); + if (action < 0) + return -1; + watchdog_action = action; return 0; } -int get_watchdog_action(void) +WatchdogAction get_watchdog_action(void) { return watchdog_action; } @@ -108,21 +100,21 @@ int get_watchdog_action(void) void watchdog_perform_action(void) { switch (watchdog_action) { - case WDT_RESET: /* same as 'system_reset' in monitor */ + case WATCHDOG_ACTION_RESET: /* same as 'system_reset' in monitor */ qapi_event_send_watchdog(WATCHDOG_ACTION_RESET, &error_abort); qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); break; - case WDT_SHUTDOWN: /* same as 'system_powerdown' in monitor */ + case WATCHDOG_ACTION_SHUTDOWN: /* same as 'system_powerdown' in monitor */ qapi_event_send_watchdog(WATCHDOG_ACTION_SHUTDOWN, &error_abort); qemu_system_powerdown_request(); break; - case WDT_POWEROFF: /* same as 'quit' command in monitor */ + case WATCHDOG_ACTION_POWEROFF: /* same as 'quit' command in monitor */ qapi_event_send_watchdog(WATCHDOG_ACTION_POWEROFF, &error_abort); exit(0); - case WDT_PAUSE: /* same as 'stop' command in monitor */ + case WATCHDOG_ACTION_PAUSE: /* same as 'stop' command in monitor */ /* In a timer callback, when vm_stop calls qemu_clock_enable * you would get a deadlock. Bypass the problem. */ @@ -131,19 +123,22 @@ void watchdog_perform_action(void) qemu_system_vmstop_request(RUN_STATE_WATCHDOG); break; - case WDT_DEBUG: + case WATCHDOG_ACTION_DEBUG: qapi_event_send_watchdog(WATCHDOG_ACTION_DEBUG, &error_abort); fprintf(stderr, "watchdog: timer fired\n"); break; - case WDT_NONE: + case WATCHDOG_ACTION_NONE: qapi_event_send_watchdog(WATCHDOG_ACTION_NONE, &error_abort); break; - case WDT_NMI: + case WATCHDOG_ACTION_INJECT_NMI: qapi_event_send_watchdog(WATCHDOG_ACTION_INJECT_NMI, &error_abort); nmi_monitor_handle(0, NULL); break; + + default: + assert(0); } } diff --git a/hw/watchdog/wdt_diag288.c b/hw/watchdog/wdt_diag288.c index 47f289216a..1475743527 100644 --- a/hw/watchdog/wdt_diag288.c +++ b/hw/watchdog/wdt_diag288.c @@ -57,9 +57,9 @@ static void diag288_timer_expired(void *dev) * the BQL; reset before triggering the action to avoid races with * diag288 instructions. */ switch (get_watchdog_action()) { - case WDT_DEBUG: - case WDT_NONE: - case WDT_PAUSE: + case WATCHDOG_ACTION_DEBUG: + case WATCHDOG_ACTION_NONE: + case WATCHDOG_ACTION_PAUSE: break; default: wdt_diag288_reset(dev); diff --git a/include/sysemu/watchdog.h b/include/sysemu/watchdog.h index 72a4da07a6..677ace3945 100644 --- a/include/sysemu/watchdog.h +++ b/include/sysemu/watchdog.h @@ -23,15 +23,7 @@ #define QEMU_WATCHDOG_H #include "qemu/queue.h" - -/* Possible values for action parameter. */ -#define WDT_RESET 1 /* Hard reset. */ -#define WDT_SHUTDOWN 2 /* Shutdown. */ -#define WDT_POWEROFF 3 /* Quit. */ -#define WDT_PAUSE 4 /* Pause. */ -#define WDT_DEBUG 5 /* Prints a message and continues running. */ -#define WDT_NONE 6 /* Do nothing. */ -#define WDT_NMI 7 /* Inject nmi into the guest. */ +#include "qapi-types.h" struct WatchdogTimerModel { QLIST_ENTRY(WatchdogTimerModel) entry; @@ -46,7 +38,7 @@ typedef struct WatchdogTimerModel WatchdogTimerModel; /* in hw/watchdog.c */ int select_watchdog(const char *p); int select_watchdog_action(const char *action); -int get_watchdog_action(void); +WatchdogAction get_watchdog_action(void); void watchdog_add_model(WatchdogTimerModel *model); void watchdog_perform_action(void);