From nobody Thu May 15 01:52:20 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1512474296102178.47769419462327; Tue, 5 Dec 2017 03:44:56 -0800 (PST) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A734348C; Tue, 5 Dec 2017 11:44:54 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 810695C54B; Tue, 5 Dec 2017 11:44:54 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 36A264A468; Tue, 5 Dec 2017 11:44:54 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id vB5BiqBL025615 for ; Tue, 5 Dec 2017 06:44:52 -0500 Received: by smtp.corp.redhat.com (Postfix) id 5E0CE187BD; Tue, 5 Dec 2017 11:44:52 +0000 (UTC) Received: from localhost.localdomain.com (ovpn-117-84.phx2.redhat.com [10.3.117.84]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2610860605 for ; Tue, 5 Dec 2017 11:44:52 +0000 (UTC) From: John Ferlan To: libvir-list@redhat.com Date: Tue, 5 Dec 2017 06:44:38 -0500 Message-Id: <20171205114443.27555-6-jferlan@redhat.com> In-Reply-To: <20171205114443.27555-1-jferlan@redhat.com> References: <20171205114443.27555-1-jferlan@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [REBASE PATCH v2 05/10] qemu: Introduce qemuMonitor[JSON]QueryDump X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Tue, 05 Dec 2017 11:44:55 +0000 (UTC) X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Add the query-dump API's in order to allow the dump-guest-memory to be used to monitor progress. Signed-off-by: John Ferlan --- src/qemu/qemu_monitor.c | 14 +++++++++ src/qemu/qemu_monitor.h | 11 +++++++ src/qemu/qemu_monitor_json.c | 69 ++++++++++++++++++++++++++++++++++++++++= ++++ src/qemu/qemu_monitor_json.h | 4 +++ 4 files changed, 98 insertions(+) diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c index ae64edd95..41a04dd00 100644 --- a/src/qemu/qemu_monitor.c +++ b/src/qemu/qemu_monitor.c @@ -2760,6 +2760,20 @@ qemuMonitorMigrateCancel(qemuMonitorPtr mon) } =20 =20 +int +qemuMonitorQueryDump(qemuMonitorPtr mon, + qemuMonitorDumpStatsPtr stats) +{ + QEMU_CHECK_MONITOR(mon); + + /* No capability is supported without JSON monitor */ + if (!mon->json) + return 0; + + return qemuMonitorJSONQueryDump(mon, stats); +} + + /** * Returns 1 if @capability is supported, 0 if it's not, or -1 on error. */ diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h index ab4c67ef3..b4322e360 100644 --- a/src/qemu/qemu_monitor.h +++ b/src/qemu/qemu_monitor.h @@ -775,6 +775,17 @@ int qemuMonitorMigrateCancel(qemuMonitorPtr mon); int qemuMonitorGetDumpGuestMemoryCapability(qemuMonitorPtr mon, const char *capability); =20 +typedef struct _qemuMonitorDumpStats qemuMonitorDumpStats; +typedef qemuMonitorDumpStats *qemuMonitorDumpStatsPtr; +struct _qemuMonitorDumpStats { + int status; /* qemuMonitorDumpStatus */ + unsigned long long completed; /* bytes written */ + unsigned long long total; /* total bytes to be written */ +}; + +int qemuMonitorQueryDump(qemuMonitorPtr mon, + qemuMonitorDumpStatsPtr stats); + int qemuMonitorDumpToFd(qemuMonitorPtr mon, int fd, const char *dumpformat); diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c index 7e3cdce9c..f29588c4d 100644 --- a/src/qemu/qemu_monitor_json.c +++ b/src/qemu/qemu_monitor_json.c @@ -3131,6 +3131,75 @@ int qemuMonitorJSONMigrateCancel(qemuMonitorPtr mon) return ret; } =20 + +/* qemuMonitorJSONQueryDump: + * @mon: Monitor pointer + * @stats: Dump "stats" + * + * Attempt to make a "query-dump" call, check for errors, and get/return + * the current from the reply + * + * Returns: 0 on success, -1 on failure + */ +int +qemuMonitorJSONQueryDump(qemuMonitorPtr mon, + qemuMonitorDumpStatsPtr stats) +{ + int ret =3D -1; + virJSONValuePtr cmd =3D qemuMonitorJSONMakeCommand("query-dump", NULL); + virJSONValuePtr reply =3D NULL; + virJSONValuePtr result =3D NULL; + const char *statusstr; + + if (!cmd) + return -1; + + if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0) + goto cleanup; + + if (qemuMonitorJSONCheckError(cmd, reply) < 0) + goto cleanup; + + if (!(result =3D virJSONValueObjectGetObject(reply, "return"))) + goto cleanup; + + if (!(statusstr =3D virJSONValueObjectGetString(result, "status"))) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("incomplete result, failed to get status")); + goto cleanup; + } + + stats->status =3D qemuMonitorDumpStatusTypeFromString(statusstr); + if (stats->status < 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("incomplete result, unknown status string '%s'"), + statusstr); + goto cleanup; + } + + if (virJSONValueObjectGetNumberUlong(result, "completed", + &stats->completed) < 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("incomplete result, failed to get completed")); + goto cleanup; + } + + if (virJSONValueObjectGetNumberUlong(result, "total", &stats->total) <= 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("incomplete result, failed to get total")); + goto cleanup; + } + + ret =3D 0; + + cleanup: + virJSONValueFree(cmd); + virJSONValueFree(reply); + virJSONValueFree(result); + return ret; +} + + int qemuMonitorJSONGetDumpGuestMemoryCapability(qemuMonitorPtr mon, const char *capability) diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h index 739a99293..090e3a144 100644 --- a/src/qemu/qemu_monitor_json.h +++ b/src/qemu/qemu_monitor_json.h @@ -162,6 +162,10 @@ int qemuMonitorJSONGetSpiceMigrationStatus(qemuMonitor= Ptr mon, =20 int qemuMonitorJSONMigrateCancel(qemuMonitorPtr mon); =20 +int +qemuMonitorJSONQueryDump(qemuMonitorPtr mon, + qemuMonitorDumpStatsPtr stats); + int qemuMonitorJSONGetDumpGuestMemoryCapability(qemuMonitorPtr mon, const char *capability); =20 --=20 2.13.6 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list