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t=1641549040; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=+0KCyO5dgObwrE3dOdkks5IuuxrAvcj/cTOpq4usP5A=; b=fus9FJURGRm59VYkCTXnHqTpi2zvvlfYfHQW/N3O/RQdEyWQV+KxN4bJhi92dhgD5iVXYv +Wqk333oocw2bYzPdOxrFqEmHWkm57oOBB9a7YLN9h+juqOYnkG2FUVzbf3o923X4YnWXt YqK3tWTqWGOMH1GwfNVyTk5+8dK5Axs= X-MC-Unique: hXYS14bFNna4KovURojRLg-1 From: Andrea Bolognani To: libvir-list@redhat.com Subject: [libvirt PATCH v4 09/19] qemu: Introduce virQEMUCapsHaveAccel Date: Fri, 7 Jan 2022 10:47:36 +0100 Message-Id: <20220107094746.1042621-10-abologna@redhat.com> In-Reply-To: <20220107094746.1042621-1-abologna@redhat.com> References: <20220107094746.1042621-1-abologna@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-loop: libvir-list@redhat.com Cc: r.bolshakov@yadro.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 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=libvir-list-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1641549042868100001 From: Roman Bolshakov The function should be used to check if qemu capabilities include a hardware acceleration, i.e. accel is not TCG. Signed-off-by: Roman Bolshakov Signed-off-by: Andrea Bolognani Reviewed-by: Daniel P. Berrang=C3=A9 --- src/qemu/qemu_capabilities.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index 8e127c9041..8d0a700544 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -809,6 +809,13 @@ virQEMUCapsTypeIsAccelerated(virDomainVirtType type) } =20 =20 +static bool +virQEMUCapsHaveAccel(virQEMUCaps *qemuCaps) +{ + return virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM); +} + + /* Checks whether a domain with @guest arch can run natively on @host. */ bool @@ -5021,7 +5028,7 @@ virQEMUCapsIsValid(void *data, return false; } =20 - if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM)) { + if (virQEMUCapsHaveAccel(qemuCaps)) { if (STRNEQ_NULLABLE(priv->hostCPUSignature, qemuCaps->hostCPUSigna= ture)) { VIR_DEBUG("Outdated capabilities for '%s': host CPU changed " "('%s' vs '%s')", @@ -5055,7 +5062,9 @@ virQEMUCapsIsValid(void *data, qemuCaps->binary); return false; } + } =20 + if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM)) { kvmSupportsNesting =3D virQEMUCapsKVMSupportsNesting(); if (kvmSupportsNesting !=3D qemuCaps->kvmSupportsNesting) { VIR_DEBUG("Outdated capabilities for '%s': kvm kernel nested " @@ -5520,7 +5529,7 @@ virQEMUCapsInitQMP(virQEMUCaps *qemuCaps, * for TCG capabilities by asking the same binary again and turning KVM * off. */ - if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM) && + if (virQEMUCapsHaveAccel(qemuCaps) && virQEMUCapsGet(qemuCaps, QEMU_CAPS_TCG) && virQEMUCapsInitQMPSingle(qemuCaps, libDir, runUid, runGid, true) <= 0) return -1; @@ -5584,13 +5593,15 @@ virQEMUCapsNewForBinaryInternal(virArch hostArch, virQEMUCapsInitHostCPUModel(qemuCaps, hostArch, VIR_DOMAIN_VIRT_KV= M); virQEMUCapsInitHostCPUModel(qemuCaps, hostArch, VIR_DOMAIN_VIRT_QEMU); =20 - if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM)) { + if (virQEMUCapsHaveAccel(qemuCaps)) { qemuCaps->hostCPUSignature =3D g_strdup(hostCPUSignature); qemuCaps->microcodeVersion =3D microcodeVersion; qemuCaps->cpuData =3D virCPUDataNewCopy(cpuData); =20 qemuCaps->kernelVersion =3D g_strdup(kernelVersion); + } =20 + if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM)) { qemuCaps->kvmSupportsNesting =3D virQEMUCapsKVMSupportsNesting(); =20 qemuCaps->kvmSupportsSecureGuest =3D virQEMUCapsKVMSupportsSecureG= uest(); --=20 2.31.1