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Mon, 12 Oct 2020 05:32:13 -0700 (PDT) From: zhenwei pi To: pkrempa@redhat.com, berrange@redhat.com Subject: [PATCH v2 2/4] qemu: process: implement domainMemoryFailure Date: Mon, 12 Oct 2020 20:31:57 +0800 Message-Id: <20201012123159.908654-3-pizhenwei@bytedance.com> In-Reply-To: <20201012123159.908654-1-pizhenwei@bytedance.com> References: <20201012123159.908654-1-pizhenwei@bytedance.com> X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-loop: libvir-list@redhat.com Cc: libvir-list@redhat.com, pizhenwei@bytedance.com 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: , Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=libvir-list-bounces@redhat.com X-Mimecast-Spam-Score: 2 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Implement domainMemoryFailure callback function to handle a domain memory failure event. Convert QEMU specified parameters to a common libvirt domain event, and send to uplayer. Notice that, this commit could compiling with the following patch (introduce QEMU specified memory failure parameters). Signed-off-by: zhenwei pi --- src/qemu/qemu_process.c | 59 +++++++++++++++++++++++++++++++++++++++++++++= ++++ 1 file changed, 59 insertions(+) diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index 6b5de29fdb..7c24677ecb 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -1878,6 +1878,64 @@ qemuProcessHandleGuestCrashloaded(qemuMonitorPtr mon= G_GNUC_UNUSED, } =20 =20 +static int +qemuProcessHandleMemoryFailure(qemuMonitorPtr mon G_GNUC_UNUSED, + virDomainObjPtr vm, + qemuMonitorEventMemoryFailurePtr mfp, + void *opaque) +{ + virQEMUDriverPtr driver =3D opaque; + virObjectEventPtr event =3D NULL; + virDomainMemoryFailureRecipientType recipient; + virDomainMemoryFailureActionType action; + unsigned int flags =3D 0; + + switch (mfp->recipient) { + case QEMU_MONITOR_MEMORY_FAILURE_RECIPIENT_HYPERVISOR: + recipient =3D VIR_DOMAIN_EVENT_MEMORY_FAILURE_RECIPIENT_HYPERVISOR; + break; + case QEMU_MONITOR_MEMORY_FAILURE_RECIPIENT_GUEST: + recipient =3D VIR_DOMAIN_EVENT_MEMORY_FAILURE_RECIPIENT_GUEST; + break; + case QEMU_MONITOR_MEMORY_FAILURE_RECIPIENT_LAST: + default: + virReportError(VIR_ERR_INVALID_ARG, "%s", + _("requested unknown memory failure recipient")); + return -1; + } + + switch (mfp->action) { + case QEMU_MONITOR_MEMORY_FAILURE_ACTION_IGNORE: + action =3D VIR_DOMAIN_EVENT_MEMORY_FAILURE_ACTION_IGNORE; + break; + case QEMU_MONITOR_MEMORY_FAILURE_ACTION_INJECT: + action =3D VIR_DOMAIN_EVENT_MEMORY_FAILURE_ACTION_INJECT; + break; + case QEMU_MONITOR_MEMORY_FAILURE_ACTION_FATAL: + action =3D VIR_DOMAIN_EVENT_MEMORY_FAILURE_ACTION_FATAL; + break; + case QEMU_MONITOR_MEMORY_FAILURE_ACTION_RESET: + action =3D VIR_DOMAIN_EVENT_MEMORY_FAILURE_ACTION_RESET; + break; + case QEMU_MONITOR_MEMORY_FAILURE_ACTION_LAST: + default: + virReportError(VIR_ERR_INVALID_ARG, "%s", + _("requested unknown memory failure action")); + return -1; + } + + if (mfp->action_required) + flags |=3D VIR_DOMAIN_MEMORY_FAILURE_ACTION_REQUIRED; + if (mfp->recursive) + flags |=3D VIR_DOMAIN_MEMORY_FAILURE_RECURSIVE; + + event =3D virDomainEventMemoryFailureNewFromObj(vm, recipient, action,= flags); + virObjectEventStateQueue(driver->domainEventState, event); + + return 0; +} + + static qemuMonitorCallbacks monitorCallbacks =3D { .eofNotify =3D qemuProcessHandleMonitorEOF, .errorNotify =3D qemuProcessHandleMonitorError, @@ -1910,6 +1968,7 @@ static qemuMonitorCallbacks monitorCallbacks =3D { .domainPRManagerStatusChanged =3D qemuProcessHandlePRManagerStatusChan= ged, .domainRdmaGidStatusChanged =3D qemuProcessHandleRdmaGidStatusChanged, .domainGuestCrashloaded =3D qemuProcessHandleGuestCrashloaded, + .domainMemoryFailure =3D qemuProcessHandleMemoryFailure, }; =20 static void --=20 2.11.0