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t=1636043279; 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=snnmz0EuWm3zGOC1qffcXuc2Ba1BVeg4svDdVd4HXOs=; b=e7eGU83Kx4GA47DO4xO4tf8XAXuRoaSEPzHBvQ11M6chFmFuI3xyiHzIBwBMEsPYNlFvvs QsTzbIeBrsckMyjHJhcI+8EyzBR34Ah+2hYm/CO2QVx/pkBWnVN7dne280ESlaQ+nod9Nd pdZNeNgdWV2dMA19FALGoVp33CK2RtI= X-MC-Unique: BOGxo_vLMZC9RxOM7yfqaw-1 From: Tim Wiederhake To: libvir-list@redhat.com Subject: [libvirt PATCH v2 17/20] cpu_x86: Implement virCPUDataGetHost for x86 Date: Thu, 4 Nov 2021 17:27:17 +0100 Message-Id: <20211104162720.108973-18-twiederh@redhat.com> In-Reply-To: <20211104162720.108973-1-twiederh@redhat.com> References: <20211104162720.108973-1-twiederh@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-loop: libvir-list@redhat.com Cc: Tim Wiederhake 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: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1636043282306100001 Content-Type: text/plain; charset="utf-8" Signed-off-by: Tim Wiederhake --- src/cpu/cpu_x86.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/src/cpu/cpu_x86.c b/src/cpu/cpu_x86.c index 0dc9a7d9fb..a72eae07dd 100644 --- a/src/cpu/cpu_x86.c +++ b/src/cpu/cpu_x86.c @@ -20,6 +20,9 @@ =20 #include =20 +#if WITH_LINUX_KVM_H +# include +#endif =20 #include "virlog.h" #include "viralloc.h" @@ -3417,6 +3420,38 @@ virCPUx86DataIsIdentical(const virCPUData *a, return VIR_CPU_COMPARE_IDENTICAL; } =20 +#if WITH_LINUX_KVM_H && defined(KVM_GET_MSRS) && \ + (defined(__i386__) || defined(__x86_64__)) && \ + (defined(__linux__) || defined(__FreeBSD__)) +static virCPUData * +virCPUx86DataGetHost(void) +{ + size_t i; + virCPUData *cpuid; + g_autofree struct kvm_cpuid2 *kvm_cpuid =3D NULL; + + if ((kvm_cpuid =3D virHostCPUGetCPUID()) =3D=3D NULL) + return NULL; + + cpuid =3D virCPUDataNew(virArchFromHost()); + cpuid->data.x86.len =3D kvm_cpuid->nent; + cpuid->data.x86.items =3D g_new0(virCPUx86DataItem, kvm_cpuid->nent); + + for (i =3D 0; i < kvm_cpuid->nent; ++i) { + virCPUx86DataItem *item =3D &cpuid->data.x86.items[i]; + item->type =3D VIR_CPU_X86_DATA_CPUID; + item->data.cpuid.eax_in =3D kvm_cpuid->entries[i].function; + item->data.cpuid.ecx_in =3D kvm_cpuid->entries[i].index; + item->data.cpuid.eax =3D kvm_cpuid->entries[i].eax; + item->data.cpuid.ebx =3D kvm_cpuid->entries[i].ebx; + item->data.cpuid.ecx =3D kvm_cpuid->entries[i].ecx; + item->data.cpuid.edx =3D kvm_cpuid->entries[i].edx; + } + + return cpuid; +} +#endif + static bool virCPUx86FeatureIsMSR(const char *name) { @@ -3502,4 +3537,9 @@ struct cpuArchDriver cpuDriverX86 =3D { .validateFeatures =3D virCPUx86ValidateFeatures, .dataAddFeature =3D virCPUx86DataAddFeature, .dataIsIdentical =3D virCPUx86DataIsIdentical, +#if WITH_LINUX_KVM_H && defined(KVM_GET_MSRS) && \ + (defined(__i386__) || defined(__x86_64__)) && \ + (defined(__linux__) || defined(__FreeBSD__)) + .dataGetHost =3D virCPUx86DataGetHost, +#endif }; --=20 2.31.1