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The following flags, making use of QEMU's existing flags, are now configurable for Xen: vapic, synic, stimer, frequencies, tlbflush and ipi Tests have been added validating translation to libxl's viridian flags Updated docs section on flags to note support and to specify which flags work with Xen Signed-off-by: Will --- docs/formatdomain.rst | 24 +-- src/libxl/libxl_conf.c | 101 ++++++++++++ .../viridian-hvm-full.json | 101 ++++++++++++ .../viridian-hvm-full.xml | 45 +++++ .../libxlxml2domconfigdata/viridian-hvm.json | 99 +++++++++++ tests/libxlxml2domconfigdata/viridian-hvm.xml | 42 +++++ .../viridian-passthrough.json | 155 ++++++++++++++++++ .../viridian-passthrough.xml | 37 +++++ tests/libxlxml2domconfigtest.c | 8 + 9 files changed, 601 insertions(+), 11 deletions(-) create mode 100644 tests/libxlxml2domconfigdata/viridian-hvm-full.json create mode 100644 tests/libxlxml2domconfigdata/viridian-hvm-full.xml create mode 100644 tests/libxlxml2domconfigdata/viridian-hvm.json create mode 100644 tests/libxlxml2domconfigdata/viridian-hvm.xml create mode 100644 tests/libxlxml2domconfigdata/viridian-passthrough.json create mode 100644 tests/libxlxml2domconfigdata/viridian-passthrough.xml diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst index aae58fab60..7220c9ff4b 100644 --- a/docs/formatdomain.rst +++ b/docs/formatdomain.rst @@ -2132,32 +2132,34 @@ are: based virtualization drivers, such as LXC. ``hyperv`` Enable various features improving behavior of guests running Microsoft - Windows. + Windows. :since:`Since 11.2.0` some of these flags are also available f= or + Xen domains running Microsoft Windows. =20 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D Feature Description = Value Since =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D - relaxed Relax constraints on timers = on, off :since:`1.0.0 = (QEMU 2.0)` - vapic Enable virtual APIC = on, off :since:`1.1.0 = (QEMU 2.0)` + relaxed Relax constraints on timers = on, off :since:`1.0.0 = (QEMU 2.0), 11.2.0 (Xen, always on)` + vapic Enable virtual APIC = on, off :since:`1.1.0 = (QEMU 2.0), 11.2.0 (Xen)` spinlocks Enable spinlock support = on, off; retries - at least 4095 :since:`1.1.0 = (QEMU 2.0)` - vpindex Virtual processor index = on, off :since:`1.3.3 = (QEMU 2.5)` + vpindex Virtual processor index = on, off :since:`1.3.3 = (QEMU 2.5), 11.2.0 (Xen, always on)` runtime Processor time spent on running guest code and on behal= f of guest code on, off :since:`1.3.3 = (QEMU 2.5)` - synic Enable Synthetic Interrupt Controller (SynIC) = on, off :since:`1.3.3 = (QEMU 2.6)` - stimer Enable SynIC timers, optionally with Direct Mode suppor= t on, off; direct - on,off :since:`1.3.3 = (QEMU 2.6), direct mode 5.7.0 (QEMU 4.1)` + synic Enable Synthetic Interrupt Controller (SynIC) = on, off :since:`1.3.3 = (QEMU 2.6), 11.2.0 (Xen)` + stimer Enable SynIC timers, optionally with Direct Mode suppor= t on, off; direct - on,off :since:`1.3.3 = (QEMU 2.6), direct mode 5.7.0 (QEMU 4.1), 11.2.0 (Xen, on/off only)` reset Enable hypervisor reset = on, off :since:`1.3.3 = (QEMU 2.5)` vendor_id Set hypervisor vendor id = on, off; value - string, up to 12 characters :since:`1.3.3 = (QEMU 2.5)` - frequencies Expose frequency MSRs = on, off :since:`4.7.0 = (QEMU 2.12)` + frequencies Expose frequency MSRs = on, off :since:`4.7.0 = (QEMU 2.12), 11.2.0 (Xen)` reenlightenment Enable re-enlightenment notification on migration = on, off :since:`4.7.0 = (QEMU 3.0)` - tlbflush Enable PV TLB flush support = on, off; direct - on,off; extended - on,off :since:`4.7.0 = (QEMU 3.0), direct and extended modes 11.0.0 (QEMU 7.1.0)` - ipi Enable PV IPI support = on, off :since:`4.10.0= (QEMU 3.1)` + tlbflush Enable PV TLB flush support = on, off; direct - on,off; extended - on,off :since:`4.7.0 = (QEMU 3.0), direct and extended modes 11.0.0 (QEMU 7.1.0), 11.2.0 (Xen, on/= off only)` + ipi Enable PV IPI support = on, off :since:`4.10.0= (QEMU 3.1), 11.2.0 (Xen)` evmcs Enable Enlightened VMCS = on, off :since:`4.10.0= (QEMU 3.1)` avic Enable use Hyper-V SynIC with hardware APICv/AVIC = on, off :since:`8.10.0= (QEMU 6.2)` emsr_bitmap Avoid unnecessary updates to L2 MSR Bitmap upon vmexits= . on, off :since:`10.7.0= (QEMU 7.1)` xmm_input Enable XMM Fast Hypercall Input = on, off :since:`10.7.0= (QEMU 7.1)` =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D =20 - :since:`Since 8.0.0`, the hypervisor can be configured further by setti= ng - the ``mode`` attribute to one of the following values: + :since:`Since 8.0.0 (QEMU) Since 11.2.0 (Xen)`, the hypervisor can be + configured further by setting the ``mode`` attribute to one of the foll= owing + values: =20 ``custom`` Set exactly the specified features. diff --git a/src/libxl/libxl_conf.c b/src/libxl/libxl_conf.c index 16cd11c215..bdd30dd65a 100644 --- a/src/libxl/libxl_conf.c +++ b/src/libxl/libxl_conf.c @@ -582,6 +582,107 @@ libxlMakeDomBuildInfo(virDomainDef *def, VIR_TRISTATE_SWITCH_ON); #endif =20 +#ifdef LIBXL_HAVE_BUILDINFO_HVM_VIRIDIAN_ENABLE_DISABLE + if (def->features[VIR_DOMAIN_FEATURE_HYPERV] !=3D VIR_DOMAIN_HYPER= V_MODE_NONE) { + libxl_bitmap_alloc(ctx, &b_info->u.hvm.viridian_enable, + LIBXL_BUILDINFO_HVM_VIRIDIAN_ENABLE_DISABLE= _WIDTH); + + switch ((virDomainHyperVMode) def->features[VIR_DOMAIN_FEATURE= _HYPERV]) { + case VIR_DOMAIN_HYPERV_MODE_CUSTOM: + /* Base is required by Xen to enable any other flag */ + libxl_bitmap_set(&b_info->u.hvm.viridian_enable, + LIBXL_VIRIDIAN_ENLIGHTENMENT_BASE); + /* Enable crash ctl register by default to allow guest log= s to reach Xen */ + libxl_bitmap_set(&b_info->u.hvm.viridian_enable, + LIBXL_VIRIDIAN_ENLIGHTENMENT_CRASH_CTL); + break; + case VIR_DOMAIN_HYPERV_MODE_PASSTHROUGH: + libxl_bitmap_set_any(&b_info->u.hvm.viridian_enable); + break; + case VIR_DOMAIN_HYPERV_MODE_NONE: + case VIR_DOMAIN_HYPERV_MODE_LAST: + default: + virReportEnumRangeError(virDomainHyperVMode, + def->features[VIR_DOMAIN_FEATURE_H= YPERV]); + return -1; + } + + for (i =3D 0; i < VIR_DOMAIN_HYPERV_LAST; i++) { + switch ((virDomainHyperv) i) { + case VIR_DOMAIN_HYPERV_VPINDEX: + case VIR_DOMAIN_HYPERV_RELAXED: + /* Already set by base flag */ + break; + case VIR_DOMAIN_HYPERV_SYNIC: + if (def->hyperv_features[i] =3D=3D VIR_TRISTATE_SWITCH= _ON) { + libxl_bitmap_set(&b_info->u.hvm.viridian_enable, + LIBXL_VIRIDIAN_ENLIGHTENMENT_SYNI= C); + } + break; + case VIR_DOMAIN_HYPERV_STIMER: + if (def->hyperv_features[i] =3D=3D VIR_TRISTATE_SWITCH= _ON) { + /* STIMER implies synic and clock features */ + libxl_bitmap_set(&b_info->u.hvm.viridian_enable, + LIBXL_VIRIDIAN_ENLIGHTENMENT_STIM= ER); + libxl_bitmap_set(&b_info->u.hvm.viridian_enable, + LIBXL_VIRIDIAN_ENLIGHTENMENT_SYNI= C); + libxl_bitmap_set(&b_info->u.hvm.viridian_enable, + LIBXL_VIRIDIAN_ENLIGHTENMENT_TIME= _REF_COUNT); + libxl_bitmap_set(&b_info->u.hvm.viridian_enable, + LIBXL_VIRIDIAN_ENLIGHTENMENT_REFE= RENCE_TSC); + } + break; + case VIR_DOMAIN_HYPERV_VAPIC: + if (def->hyperv_features[i] =3D=3D VIR_TRISTATE_SWITCH= _ON) { + libxl_bitmap_set(&b_info->u.hvm.viridian_enable, + LIBXL_VIRIDIAN_ENLIGHTENMENT_APIC= _ASSIST); + } + break; + case VIR_DOMAIN_HYPERV_FREQUENCIES: + if (def->hyperv_features[i] =3D=3D VIR_TRISTATE_SWITCH= _ON) { + libxl_bitmap_set(&b_info->u.hvm.viridian_enable, + LIBXL_VIRIDIAN_ENLIGHTENMENT_FREQ= ); + } + break; + case VIR_DOMAIN_HYPERV_TLBFLUSH: + if (def->hyperv_features[i] =3D=3D VIR_TRISTATE_SWITCH= _ON) { + libxl_bitmap_set(&b_info->u.hvm.viridian_enable, + LIBXL_VIRIDIAN_ENLIGHTENMENT_HCAL= L_REMOTE_TLB_FLUSH); + } + break; + case VIR_DOMAIN_HYPERV_IPI: + if (def->hyperv_features[i] =3D=3D VIR_TRISTATE_SWITCH= _ON) { + libxl_bitmap_set(&b_info->u.hvm.viridian_enable, + LIBXL_VIRIDIAN_ENLIGHTENMENT_HCAL= L_IPI); + } + break; + case VIR_DOMAIN_HYPERV_SPINLOCKS: + case VIR_DOMAIN_HYPERV_VENDOR_ID: + if (def->hyperv_features[i] =3D=3D VIR_TRISTATE_SWITCH= _ON) { + const char *name =3D virDomainHypervTypeToString(i= ); + VIR_WARN("Hyper-v flag '%s' specified per-domain b= ut is a global Xen setting and will be ignored.", name); + } + break; + case VIR_DOMAIN_HYPERV_RUNTIME: + case VIR_DOMAIN_HYPERV_RESET: + case VIR_DOMAIN_HYPERV_REENLIGHTENMENT: + case VIR_DOMAIN_HYPERV_EVMCS: + case VIR_DOMAIN_HYPERV_AVIC: + case VIR_DOMAIN_HYPERV_EMSR_BITMAP: + case VIR_DOMAIN_HYPERV_XMM_INPUT: + if (def->hyperv_features[i] =3D=3D VIR_TRISTATE_SWITCH= _ON) { + const char *name =3D virDomainHypervTypeToString(i= ); + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, + _("Hyper-v enlightenment feature '%1$s' is not= supported for Xen domains."), name); + } + break; + case VIR_DOMAIN_HYPERV_LAST: + break; + } + } + } +#endif + /* copy the table path to acpi_firmware */ if (def->os.nacpiTables) b_info->u.hvm.acpi_firmware =3D g_strdup(def->os.acpiTables[0]= ->path); diff --git a/tests/libxlxml2domconfigdata/viridian-hvm-full.json b/tests/li= bxlxml2domconfigdata/viridian-hvm-full.json new file mode 100644 index 0000000000..5cb69f7b5d --- /dev/null +++ b/tests/libxlxml2domconfigdata/viridian-hvm-full.json @@ -0,0 +1,101 @@ +{ + "c_info": { + "type": "hvm", + "name": "test-hvm", + "uuid": "2147d599-9cc6-c0dc-92ab-4064b5446e9b" + }, + "b_info": { + "max_vcpus": 4, + "avail_vcpus": [ + 0, + 1, + 2, + 3 + ], + "max_memkb": 1048576, + "target_memkb": 1048576, + "video_memkb": 8192, + "shadow_memkb": 1234, + "device_model_version": "qemu_xen", + "device_model": "/bin/true", + "sched_params": { + + }, + "apic": "True", + "acpi": "True", + "type.hvm": { + "pae": "True", + "viridian_enable": [ + 0, + 1, + 2, + 3, + 4, + 5, + 6, + 7, + 8, + 9 + ], + "vga": { + "kind": "cirrus" + }, + "vnc": { + "enable": "True", + "listen": "0.0.0.0", + "findunused": "False" + }, + "sdl": { + "enable": "False" + }, + "spice": { + + }, + "boot": "c", + "rdm": { + + } + }, + "arch_arm": { + + } + }, + "disks": [ + { + "pdev_path": "/var/lib/xen/images/test-hvm.img", + "vdev": "hda", + "backend": "qdisk", + "format": "raw", + "removable": 1, + "readwrite": 1 + } + ], + "nics": [ + { + "devid": 0, + "mac": "00:16:3e:66:12:b4", + "bridge": "br0", + "script": "/etc/xen/scripts/vif-bridge", + "nictype": "vif_ioemu" + } + ], + "vfbs": [ + { + "devid": -1, + "vnc": { + "enable": "True", + "listen": "0.0.0.0", + "findunused": "False" + }, + "sdl": { + "enable": "False" + } + } + ], + "vkbs": [ + { + "devid": -1 + } + ], + "on_reboot": "restart" +} diff --git a/tests/libxlxml2domconfigdata/viridian-hvm-full.xml b/tests/lib= xlxml2domconfigdata/viridian-hvm-full.xml new file mode 100644 index 0000000000..17f5ed5209 --- /dev/null +++ b/tests/libxlxml2domconfigdata/viridian-hvm-full.xml @@ -0,0 +1,45 @@ + + test-hvm + None + 2147d599-9cc6-c0dc-92ab-4064b5446e9b + 1048576 + 1048576 + 4 + destroy + restart + destroy + + + hvm + /usr/lib/xen/boot/hvmloader + + + + + + + + + + + + + + + + + + /bin/true + + + + + + + + +