From nobody Sun Apr 28 23:58:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1504771644274515.68691815848; Thu, 7 Sep 2017 01:07:24 -0700 (PDT) Received: from localhost ([::1]:39209 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dprqN-000448-4m for importer@patchew.org; Thu, 07 Sep 2017 04:07:23 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54422) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dpron-0003CS-B9 for qemu-devel@nongnu.org; Thu, 07 Sep 2017 04:05:46 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dproj-0000RX-Ei for qemu-devel@nongnu.org; Thu, 07 Sep 2017 04:05:45 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35326) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dproj-0000QY-5A for qemu-devel@nongnu.org; Thu, 07 Sep 2017 04:05:41 -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 3D2DD5CE for ; Thu, 7 Sep 2017 08:05:40 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 64C5460603; Thu, 7 Sep 2017 08:05:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 3D2DD5CE Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=mprivozn@redhat.com From: Michal Privoznik To: qemu-devel@nongnu.org Date: Thu, 7 Sep 2017 10:05:24 +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 [10.5.110.29]); Thu, 07 Sep 2017 08:05:40 +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 1/3] qapi: Rename WatchdogExpirationAction 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The new name is WatchdogAction which is shorter, Signed-off-by: Michal Privoznik Reviewed-by: Daniel P. Berrange Reviewed-by: Eric Blake Reviewed-by: Markus Armbruster --- hw/watchdog/watchdog.c | 14 +++++++------- monitor.c | 4 ++-- qapi/run-state.json | 6 +++--- 3 files changed, 12 insertions(+), 12 deletions(-) diff --git a/hw/watchdog/watchdog.c b/hw/watchdog/watchdog.c index 0c5c9cde1c..358d79804d 100644 --- a/hw/watchdog/watchdog.c +++ b/hw/watchdog/watchdog.c @@ -109,17 +109,17 @@ void watchdog_perform_action(void) { switch (watchdog_action) { case WDT_RESET: /* same as 'system_reset' in monitor */ - qapi_event_send_watchdog(WATCHDOG_EXPIRATION_ACTION_RESET, &error_= abort); + qapi_event_send_watchdog(WATCHDOG_ACTION_RESET, &error_abort); qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); break; =20 case WDT_SHUTDOWN: /* same as 'system_powerdown' in monitor */ - qapi_event_send_watchdog(WATCHDOG_EXPIRATION_ACTION_SHUTDOWN, &err= or_abort); + qapi_event_send_watchdog(WATCHDOG_ACTION_SHUTDOWN, &error_abort); qemu_system_powerdown_request(); break; =20 case WDT_POWEROFF: /* same as 'quit' command in monitor */ - qapi_event_send_watchdog(WATCHDOG_EXPIRATION_ACTION_POWEROFF, &err= or_abort); + qapi_event_send_watchdog(WATCHDOG_ACTION_POWEROFF, &error_abort); exit(0); =20 case WDT_PAUSE: /* same as 'stop' command in monitor */ @@ -127,21 +127,21 @@ void watchdog_perform_action(void) * you would get a deadlock. Bypass the problem. */ qemu_system_vmstop_request_prepare(); - qapi_event_send_watchdog(WATCHDOG_EXPIRATION_ACTION_PAUSE, &error_= abort); + qapi_event_send_watchdog(WATCHDOG_ACTION_PAUSE, &error_abort); qemu_system_vmstop_request(RUN_STATE_WATCHDOG); break; =20 case WDT_DEBUG: - qapi_event_send_watchdog(WATCHDOG_EXPIRATION_ACTION_DEBUG, &error_= abort); + qapi_event_send_watchdog(WATCHDOG_ACTION_DEBUG, &error_abort); fprintf(stderr, "watchdog: timer fired\n"); break; =20 case WDT_NONE: - qapi_event_send_watchdog(WATCHDOG_EXPIRATION_ACTION_NONE, &error_a= bort); + qapi_event_send_watchdog(WATCHDOG_ACTION_NONE, &error_abort); break; =20 case WDT_NMI: - qapi_event_send_watchdog(WATCHDOG_EXPIRATION_ACTION_INJECT_NMI, + qapi_event_send_watchdog(WATCHDOG_ACTION_INJECT_NMI, &error_abort); nmi_monitor_handle(0, NULL); break; diff --git a/monitor.c b/monitor.c index 9239f7adde..e6a6675c15 100644 --- a/monitor.c +++ b/monitor.c @@ -3537,8 +3537,8 @@ void watchdog_action_completion(ReadLineState *rs, in= t nb_args, const char *str) return; } readline_set_completion_index(rs, strlen(str)); - for (i =3D 0; i < WATCHDOG_EXPIRATION_ACTION__MAX; i++) { - add_completion_option(rs, str, WatchdogExpirationAction_str(i)); + for (i =3D 0; i < WATCHDOG_ACTION__MAX; i++) { + add_completion_option(rs, str, WatchdogAction_str(i)); } } =20 diff --git a/qapi/run-state.json b/qapi/run-state.json index d36ff49834..bca46a8785 100644 --- a/qapi/run-state.json +++ b/qapi/run-state.json @@ -253,10 +253,10 @@ # ## { 'event': 'WATCHDOG', - 'data': { 'action': 'WatchdogExpirationAction' } } + 'data': { 'action': 'WatchdogAction' } } =20 ## -# @WatchdogExpirationAction: +# @WatchdogAction: # # An enumeration of the actions taken when the watchdog device's timer is # expired @@ -279,7 +279,7 @@ # # Since: 2.1 ## -{ 'enum': 'WatchdogExpirationAction', +{ 'enum': 'WatchdogAction', 'data': [ 'reset', 'shutdown', 'poweroff', 'pause', 'debug', 'none', 'inject-nmi' ] } =20 --=20 2.13.5 From nobody Sun Apr 28 23:58:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1504771661386722.3737641792226; Thu, 7 Sep 2017 01:07:41 -0700 (PDT) Received: from localhost ([::1]:39212 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dprqe-0004ND-8x for importer@patchew.org; Thu, 07 Sep 2017 04:07:40 -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) 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) 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 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 Reviewed-by: Eric Blake Reviewed-by: Markus Armbruster --- 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" =20 -static int watchdog_action =3D WDT_RESET; +static WatchdogAction watchdog_action =3D WATCHDOG_ACTION_RESET; static QLIST_HEAD(watchdog_list, WatchdogTimerModel) watchdog_list; =20 void watchdog_add_model(WatchdogTimerModel *model) @@ -77,27 +77,19 @@ int select_watchdog(const char *p) =20 int select_watchdog_action(const char *p) { - if (strcasecmp(p, "reset") =3D=3D 0) - watchdog_action =3D WDT_RESET; - else if (strcasecmp(p, "shutdown") =3D=3D 0) - watchdog_action =3D WDT_SHUTDOWN; - else if (strcasecmp(p, "poweroff") =3D=3D 0) - watchdog_action =3D WDT_POWEROFF; - else if (strcasecmp(p, "pause") =3D=3D 0) - watchdog_action =3D WDT_PAUSE; - else if (strcasecmp(p, "debug") =3D=3D 0) - watchdog_action =3D WDT_DEBUG; - else if (strcasecmp(p, "none") =3D=3D 0) - watchdog_action =3D WDT_NONE; - else if (strcasecmp(p, "inject-nmi") =3D=3D 0) - watchdog_action =3D WDT_NMI; - else - return -1; + int action; + char *qapi_value; =20 + qapi_value =3D g_ascii_strdown(p, -1); + action =3D qapi_enum_parse(&WatchdogAction_lookup, qapi_value, -1, NUL= L); + g_free(qapi_value); + if (action < 0) + return -1; + watchdog_action =3D action; return 0; } =20 -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; =20 - case WDT_SHUTDOWN: /* same as 'system_powerdown' in monitor */ + case WATCHDOG_ACTION_SHUTDOWN: /* same as 'system_powerdown' in monit= or */ qapi_event_send_watchdog(WATCHDOG_ACTION_SHUTDOWN, &error_abort); qemu_system_powerdown_request(); break; =20 - 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); =20 - 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; =20 - case WDT_DEBUG: + case WATCHDOG_ACTION_DEBUG: qapi_event_send_watchdog(WATCHDOG_ACTION_DEBUG, &error_abort); fprintf(stderr, "watchdog: timer fired\n"); break; =20 - case WDT_NONE: + case WATCHDOG_ACTION_NONE: qapi_event_send_watchdog(WATCHDOG_ACTION_NONE, &error_abort); break; =20 - 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 =20 #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" =20 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); =20 --=20 2.13.5 From nobody Sun Apr 28 23:58:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1504771761511182.07955731887; Thu, 7 Sep 2017 01:09:21 -0700 (PDT) Received: from localhost ([::1]:39216 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dprsG-0005a0-4M for importer@patchew.org; Thu, 07 Sep 2017 04:09:20 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54492) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dpros-0003Fb-M8 for qemu-devel@nongnu.org; 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spf=fail smtp.mailfrom=mprivozn@redhat.com From: Michal Privoznik To: qemu-devel@nongnu.org Date: Thu, 7 Sep 2017 10:05:26 +0200 Message-Id: <35d6ce6fe3d357122d73b8272bc8198134c74104.1504771369.git.mprivozn@redhat.com> 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 [10.5.110.38]); Thu, 07 Sep 2017 08:05:44 +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 3/3] watchdog: Allow setting action on the fly 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Currently, the only time that users can set watchdog action is at the start as all we expose is this -watchdog-action command line argument. This is suboptimal when users want to plug the device later via monitor. Alternatively, they might want to change the action for already existing device on the fly. Inspired by: https://bugzilla.redhat.com/show_bug.cgi?id=3D1447169 Signed-off-by: Michal Privoznik Reviewed-by: Daniel P. Berrange Reviewed-by: Eric Blake Reviewed-by: Markus Armbruster --- hw/watchdog/watchdog.c | 8 +++++++- qapi-schema.json | 9 +++++++++ 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/hw/watchdog/watchdog.c b/hw/watchdog/watchdog.c index 0d3eeed187..670114ecfe 100644 --- a/hw/watchdog/watchdog.c +++ b/hw/watchdog/watchdog.c @@ -29,6 +29,7 @@ #include "qapi-event.h" #include "hw/nmi.h" #include "qemu/help_option.h" +#include "qmp-commands.h" =20 static WatchdogAction watchdog_action =3D WATCHDOG_ACTION_RESET; static QLIST_HEAD(watchdog_list, WatchdogTimerModel) watchdog_list; @@ -85,7 +86,7 @@ int select_watchdog_action(const char *p) g_free(qapi_value); if (action < 0) return -1; - watchdog_action =3D action; + qmp_watchdog_set_action(action, &error_abort); return 0; } =20 @@ -142,3 +143,8 @@ void watchdog_perform_action(void) assert(0); } } + +void qmp_watchdog_set_action(WatchdogAction action, Error **errp) +{ + watchdog_action =3D action; +} diff --git a/qapi-schema.json b/qapi-schema.json index f3af2cb851..f5db401838 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -3143,3 +3143,12 @@ # Since 2.9 ## { 'command': 'query-vm-generation-id', 'returns': 'GuidInfo' } + +## +# @watchdog-set-action: +# +# Set watchdog action +# +# Since 2.11 +## +{ 'command': 'watchdog-set-action', 'data' : {'action': 'WatchdogAction'} } --=20 2.13.5