[libvirt] [PATCH v3 4/6] conf: add support for Hyper-V Enlightened VMCS

Support Hyper-V Enlightened VMCS in domain config. QEMU support will be implemented in the next patch, adding interim VIR_DOMAIN_HYPERV_EVMCS cases to src/qemu/* for now. Reviewed-by: Andrea Bolognani <abologna(a)redhat.com&gt; Signed-off-by: Vitaly Kuznetsov <vkuznets(a)redhat.com&gt; --- docs/formatdomain.html.in | 7 +++++++ docs/schemas/domaincommon.rng | 5 +++++ src/conf/domain_conf.c | 4 ++++ src/conf/domain_conf.h | 1 + src/cpu/cpu_x86.c | 3 +++ src/cpu/cpu_x86_data.h | 1 + src/qemu/qemu_command.c | 1 + src/qemu/qemu_parse_command.c | 1 + src/qemu/qemu_process.c | 1 + 9 files changed, 24 insertions(+) diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in index 7592f13a84..1b1518f465 100644 --- a/docs/formatdomain.html.in +++ b/docs/formatdomain.html.in @@ -1982,6 +1982,7 @@ &lt;reenlightenment state='on'/&gt; &lt;tlbflush state='on'/&gt; &lt;ipi state='on'/&gt; + &lt;evmcs state='on'/&gt; &lt;/hyperv&gt; &lt;kvm&gt; &lt;hidden state='on'/&gt; @@ -2128,6 +2129,12 @@ <td>on, off</td> <td><span class="since">4.10.0 (QEMU 3.1)</span></td> </tr> + <tr> + <td>evmcs</td> + <td>Enable Enlightened VMCS</td> + <td>on, off</td> + <td><span class="since">4.10.0 (QEMU 3.1)</span></td> + </tr> </table> </dd> <dt><code>pvspinlock</code></dt> diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng index 26019b3279..ff57ce1015 100644 --- a/docs/schemas/domaincommon.rng +++ b/docs/schemas/domaincommon.rng @@ -5774,6 +5774,11 @@ <ref name="featurestate"/> </element> </optional> + <optional> + <element name="evmcs"> + <ref name="featurestate"/> + </element> + </optional> </interleave> </element> </define> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 24876994c5..18d235872f 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -174,6 +174,7 @@ VIR_ENUM_IMPL(virDomainHyperv, VIR_DOMAIN_HYPERV_LAST, "reenlightenment", "tlbflush", "ipi", + "evmcs", ); VIR_ENUM_IMPL(virDomainKVM, VIR_DOMAIN_KVM_LAST, @@ -19993,6 +19994,7 @@ virDomainDefParseXML(xmlDocPtr xml, case VIR_DOMAIN_HYPERV_REENLIGHTENMENT: case VIR_DOMAIN_HYPERV_TLBFLUSH: case VIR_DOMAIN_HYPERV_IPI: + case VIR_DOMAIN_HYPERV_EVMCS: break; case VIR_DOMAIN_HYPERV_SPINLOCKS: @@ -22188,6 +22190,7 @@ virDomainDefFeaturesCheckABIStability(virDomainDefPtr src, case VIR_DOMAIN_HYPERV_REENLIGHTENMENT: case VIR_DOMAIN_HYPERV_TLBFLUSH: case VIR_DOMAIN_HYPERV_IPI: + case VIR_DOMAIN_HYPERV_EVMCS: if (src->hyperv_features[i] != dst->hyperv_features[i]) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("State of HyperV enlightenment " @@ -27953,6 +27956,7 @@ virDomainDefFormatInternal(virDomainDefPtr def, case VIR_DOMAIN_HYPERV_REENLIGHTENMENT: case VIR_DOMAIN_HYPERV_TLBFLUSH: case VIR_DOMAIN_HYPERV_IPI: + case VIR_DOMAIN_HYPERV_EVMCS: break; case VIR_DOMAIN_HYPERV_SPINLOCKS: diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h index 9eea75548d..061185e779 100644 --- a/src/conf/domain_conf.h +++ b/src/conf/domain_conf.h @@ -1796,6 +1796,7 @@ typedef enum { VIR_DOMAIN_HYPERV_REENLIGHTENMENT, VIR_DOMAIN_HYPERV_TLBFLUSH, VIR_DOMAIN_HYPERV_IPI, + VIR_DOMAIN_HYPERV_EVMCS, VIR_DOMAIN_HYPERV_LAST } virDomainHyperv; diff --git a/src/cpu/cpu_x86.c b/src/cpu/cpu_x86.c index 33252e927e..ebfa74fccd 100644 --- a/src/cpu/cpu_x86.c +++ b/src/cpu/cpu_x86.c @@ -116,6 +116,8 @@ KVM_FEATURE_DEF(VIR_CPU_x86_KVM_HV_TLBFLUSH, 0x40000004, 0x00000004); KVM_FEATURE_DEF(VIR_CPU_x86_KVM_HV_IPI, 0x40000004, 0x00000400); +KVM_FEATURE_DEF(VIR_CPU_x86_KVM_HV_EVMCS, + 0x40000004, 0x00004000); static virCPUx86Feature x86_kvm_features[] = { @@ -140,6 +142,7 @@ static virCPUx86Feature x86_kvm_features[] = KVM_FEATURE(VIR_CPU_x86_KVM_HV_REENLIGHTENMENT), KVM_FEATURE(VIR_CPU_x86_KVM_HV_TLBFLUSH), KVM_FEATURE(VIR_CPU_x86_KVM_HV_IPI), + KVM_FEATURE(VIR_CPU_x86_KVM_HV_EVMCS), }; typedef struct _virCPUx86Model virCPUx86Model; diff --git a/src/cpu/cpu_x86_data.h b/src/cpu/cpu_x86_data.h index 8c51d88e1a..f52bba821f 100644 --- a/src/cpu/cpu_x86_data.h +++ b/src/cpu/cpu_x86_data.h @@ -66,6 +66,7 @@ struct _virCPUx86CPUID { # define VIR_CPU_x86_KVM_HV_REENLIGHTENMENT "__kvm_hv_reenlightenment" # define VIR_CPU_x86_KVM_HV_TLBFLUSH "__kvm_hv_tlbflush" # define VIR_CPU_x86_KVM_HV_IPI "__kvm_hv_ipi" +# define VIR_CPU_x86_KVM_HV_EVMCS "__kvm_hv_evmcs" # define VIR_CPU_X86_DATA_INIT { 0 } diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 6fc8deff00..27e77f7d66 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -6900,6 +6900,7 @@ qemuBuildCpuCommandLine(virCommandPtr cmd, def->hyperv_vendor_id); break; + case VIR_DOMAIN_HYPERV_EVMCS: /* coverity[dead_error_begin] */ case VIR_DOMAIN_HYPERV_LAST: break; diff --git a/src/qemu/qemu_parse_command.c b/src/qemu/qemu_parse_command.c index a15f4d1121..a1f8369919 100644 --- a/src/qemu/qemu_parse_command.c +++ b/src/qemu/qemu_parse_command.c @@ -1580,6 +1580,7 @@ qemuParseCommandLineCPU(virDomainDefPtr dom, break; + case VIR_DOMAIN_HYPERV_EVMCS: case VIR_DOMAIN_HYPERV_LAST: break; } diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index 85e2f7046b..ed8bcf7f76 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -3959,6 +3959,7 @@ qemuProcessVerifyHypervFeatures(virDomainDefPtr def, virDomainHypervTypeToString(i)); return -1; + case VIR_DOMAIN_HYPERV_EVMCS: /* coverity[dead_error_begin] */ case VIR_DOMAIN_HYPERV_VENDOR_ID: case VIR_DOMAIN_HYPERV_LAST: -- 2.17.2