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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1776406525; h=from:from: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; bh=hiz2m7pWstQ18bBvbqBcXMAKcEXQ4J5afkLQ1gg1nUM=; b=W9JxD6n6v/2WnfS0fy3Fu2O+vqlOgQoBgoOkLCgHJoYoHSXZ4rqwspE3c7StWSDL019Jik cQZvZacJfFntnCYHna/AFxlVOo21/kLKoE6HBRHhXD2eRnYHZ0gmWmwhTVyb0ODiDOsn0Q N7fccH7vw1PkuxZ/BzFy1Mox7ueBzZM= X-MC-Unique: wI3FST7hNA2BZ29aAFK45w-1 X-Mimecast-MFC-AGG-ID: wI3FST7hNA2BZ29aAFK45w_1776406523 To: devel@lists.libvirt.org Subject: [PATCH] libvirt: configure TPM device in the XML Date: Fri, 17 Apr 2026 11:45:15 +0530 Message-ID: <20260417061517.46477-1-sparimi@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: lariTng0U-s5N6lJbKIO9xnt2Yw1VJWfCr-PMWUSlPQ_1776406523 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-MailFrom: sparimi@redhat.com X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-devel.lists.libvirt.org-0; emergency; member-moderation Message-ID-Hash: SIZFDMHWDFNXX4W6KI4RP6QJ3CAX3ALR X-Message-ID-Hash: SIZFDMHWDFNXX4W6KI4RP6QJ3CAX3ALR X-Mailman-Approved-At: Fri, 17 Apr 2026 10:00:48 +0000 CC: Srihari Parimi X-Mailman-Version: 3.3.10 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Srihari Parimi via Devel Reply-To: Srihari Parimi X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1776420267795158500 Content-Type: text/plain; charset="utf-8"; x-default="true" Parses vtpm.present from VMX files and converts to libvirt TPM device with CRB model and emulator backend. VMware vTPM uses TPM 2.0 with the CRB Signed-off-by: Srihari Parimi --- src/vmx/vmx.c | 50 ++++++++++++++++++++++++++++++++++++++ tests/vmx2xmldata/vtpm.vmx | 22 +++++++++++++++++ tests/vmx2xmldata/vtpm.xml | 32 ++++++++++++++++++++++++ tests/vmx2xmltest.c | 2 ++ 4 files changed, 106 insertions(+) create mode 100644 tests/vmx2xmldata/vtpm.vmx create mode 100644 tests/vmx2xmldata/vtpm.xml diff --git a/src/vmx/vmx.c b/src/vmx/vmx.c index 57dfd57cfc..9231968175 100644 --- a/src/vmx/vmx.c +++ b/src/vmx/vmx.c @@ -599,6 +599,7 @@ static int virVMXParseSerial(virVMXContext *ctx, virCon= f *conf, int port, static int virVMXParseParallel(virVMXContext *ctx, virConf *conf, int port, virDomainChrDef **def); static int virVMXParseSVGA(virConf *conf, virDomainVideoDef **def); +static int virVMXParseTPM(virConf *conf, virDomainTPMDef **def); =20 static int virVMXFormatVNC(virDomainGraphicsDef *def, virBuffer *buffer); static int virVMXFormatDisk(virVMXContext *ctx, virDomainDiskDef *def, @@ -1403,6 +1404,7 @@ virVMXParseConfig(virVMXContext *ctx, char *guestOS =3D NULL; bool smbios_reflecthost =3D false; bool uefi_secureboot =3D false; + bool vtpm_present =3D false; int controller; int bus; int port; @@ -1938,6 +1940,16 @@ virVMXParseConfig(virVMXContext *ctx, =20 def->nvideos =3D 1; =20 + /* def:tpms */ + { + virDomainTPMDef *tpm =3D NULL; + if (virVMXParseTPM(conf, &tpm) < 0) + goto cleanup; + + if (tpm) + VIR_APPEND_ELEMENT(def->tpms, def->ntpms, tpm); + } + /* def:sounds */ /* FIXME */ =20 @@ -2001,6 +2013,18 @@ virVMXParseConfig(virVMXContext *ctx, } } =20 + /* vmx: vtpm.present (optional) */ + if (virVMXGetConfigBoolean(conf, "vtpm.present", + &vtpm_present, false, true) < 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("Unable to parse vtpm.present")); + goto cleanup; + } + if (vtpm_present) { + VIR_DEBUG("Processing vtpm_present: %s", + (vtpm_present =3D=3D true) ? "yes" : "no"); + } + /* vmx:uefi.secureBoot.enabled */ if (virVMXGetConfigBoolean(conf, "uefi.secureBoot.enabled", &uefi_secureboot, false, true) < 0) { @@ -3367,6 +3391,32 @@ virVMXParseSVGA(virConf *conf, virDomainVideoDef **d= ef) return result; } =20 +static int +virVMXParseTPM(virConf *conf, virDomainTPMDef **def) +{ + bool vtpm_present =3D false; + + if (def =3D=3D NULL || *def !=3D NULL) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Invalid argument")= ); + return -1; + } + + /* vmx:vtpm.present */ + if (virVMXGetConfigBoolean(conf, "vtpm.present", &vtpm_present, + false, true) < 0) { + return -1; + } + + if (!vtpm_present) + return 0; + + *def =3D g_new0(virDomainTPMDef, 1); + (*def)->type =3D VIR_DOMAIN_TPM_TYPE_EMULATOR; + (*def)->model =3D VIR_DOMAIN_TPM_MODEL_CRB; + (*def)->data.emulator.version =3D VIR_DOMAIN_TPM_VERSION_2_0; + + return 0; +} =20 =20 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *= * * diff --git a/tests/vmx2xmldata/vtpm.vmx b/tests/vmx2xmldata/vtpm.vmx new file mode 100644 index 0000000000..6e2fd725b7 --- /dev/null +++ b/tests/vmx2xmldata/vtpm.vmx @@ -0,0 +1,22 @@ +config.version =3D "8" +virtualHW.version =3D "19" +displayName =3D "test-vtpm" +memsize =3D "4096" +numvcpus =3D "2" +guestOS =3D "windows9-64" + +# Disk Configuration +scsi0.present =3D "TRUE" +scsi0.virtualDev =3D "lsisas1068" +scsi0:0.present =3D "TRUE" +scsi0:0.deviceType =3D "scsi-hardDisk" +scsi0:0.fileName =3D "test_disk.vmdk" + +# vTPM configuration +vtpm.present =3D "TRUE" + +# Network Configuration +ethernet0.present =3D "TRUE" +ethernet0.connectionType =3D "nat" +ethernet0.virtualDev =3D "e1000e" +ethernet0.addressType =3D "generated" diff --git a/tests/vmx2xmldata/vtpm.xml b/tests/vmx2xmldata/vtpm.xml new file mode 100644 index 0000000000..cbb23ce673 --- /dev/null +++ b/tests/vmx2xmldata/vtpm.xml @@ -0,0 +1,32 @@ + + test-vtpm + 00000000-0000-0000-0000-000000000000 + 4194304 + 4194304 + 2 + + hvm + + + destroy + restart + destroy + + + + +
+ + + + + + + + + + + + diff --git a/tests/vmx2xmltest.c b/tests/vmx2xmltest.c index fcca765bed..3ffc04fda4 100644 --- a/tests/vmx2xmltest.c +++ b/tests/vmx2xmltest.c @@ -243,6 +243,8 @@ mymain(void) =20 DO_TEST("firmware-efi"); =20 + DO_TEST("vtpm"); + ctx.datacenterPath =3D "folder1/folder2/datacenter1"; =20 DO_TEST("datacenterpath"); --=20 2.53.0