[libvirt] [PATCH v3 2/6] conf: add support for Hyper-V PV IPIs

Support Hyper-V PV IPI enlightenment in domain config. QEMU support will be implemented in the next patch, adding interim VIR_DOMAIN_HYPERV_IPI 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 | 7 ++++++- 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, 26 insertions(+), 1 deletion(-) diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in index 28246deb63..7592f13a84 100644 --- a/docs/formatdomain.html.in +++ b/docs/formatdomain.html.in @@ -1981,6 +1981,7 @@ &lt;frequencies state='on'/&gt; &lt;reenlightenment state='on'/&gt; &lt;tlbflush state='on'/&gt; + &lt;ipi state='on'/&gt; &lt;/hyperv&gt; &lt;kvm&gt; &lt;hidden state='on'/&gt; @@ -2121,6 +2122,12 @@ <td>on, off</td> <td><span class="since">4.7.0 (QEMU 3.0)</span></td> </tr> + <tr> + <td>ipi</td> + <td>Enable PV IPI support</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 b9ac5df479..26019b3279 100644 --- a/docs/schemas/domaincommon.rng +++ b/docs/schemas/domaincommon.rng @@ -5769,6 +5769,11 @@ <ref name="featurestate"/> </element> </optional> + <optional> + <element name="ipi"> + <ref name="featurestate"/> + </element> + </optional> </interleave> </element> </define> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index e8e0adc819..24876994c5 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -172,7 +172,9 @@ VIR_ENUM_IMPL(virDomainHyperv, VIR_DOMAIN_HYPERV_LAST, "vendor_id", "frequencies", "reenlightenment", - "tlbflush") + "tlbflush", + "ipi", +); VIR_ENUM_IMPL(virDomainKVM, VIR_DOMAIN_KVM_LAST, "hidden") @@ -19990,6 +19992,7 @@ virDomainDefParseXML(xmlDocPtr xml, case VIR_DOMAIN_HYPERV_FREQUENCIES: case VIR_DOMAIN_HYPERV_REENLIGHTENMENT: case VIR_DOMAIN_HYPERV_TLBFLUSH: + case VIR_DOMAIN_HYPERV_IPI: break; case VIR_DOMAIN_HYPERV_SPINLOCKS: @@ -22184,6 +22187,7 @@ virDomainDefFeaturesCheckABIStability(virDomainDefPtr src, case VIR_DOMAIN_HYPERV_FREQUENCIES: case VIR_DOMAIN_HYPERV_REENLIGHTENMENT: case VIR_DOMAIN_HYPERV_TLBFLUSH: + case VIR_DOMAIN_HYPERV_IPI: if (src->hyperv_features[i] != dst->hyperv_features[i]) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("State of HyperV enlightenment " @@ -27948,6 +27952,7 @@ virDomainDefFormatInternal(virDomainDefPtr def, case VIR_DOMAIN_HYPERV_FREQUENCIES: case VIR_DOMAIN_HYPERV_REENLIGHTENMENT: case VIR_DOMAIN_HYPERV_TLBFLUSH: + case VIR_DOMAIN_HYPERV_IPI: break; case VIR_DOMAIN_HYPERV_SPINLOCKS: diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h index e30a4b2fe7..9eea75548d 100644 --- a/src/conf/domain_conf.h +++ b/src/conf/domain_conf.h @@ -1795,6 +1795,7 @@ typedef enum { VIR_DOMAIN_HYPERV_FREQUENCIES, VIR_DOMAIN_HYPERV_REENLIGHTENMENT, VIR_DOMAIN_HYPERV_TLBFLUSH, + VIR_DOMAIN_HYPERV_IPI, VIR_DOMAIN_HYPERV_LAST } virDomainHyperv; diff --git a/src/cpu/cpu_x86.c b/src/cpu/cpu_x86.c index 69a0c8db28..33252e927e 100644 --- a/src/cpu/cpu_x86.c +++ b/src/cpu/cpu_x86.c @@ -114,6 +114,8 @@ KVM_FEATURE_DEF(VIR_CPU_x86_KVM_HV_REENLIGHTENMENT, 0x40000003, 0x00002000); KVM_FEATURE_DEF(VIR_CPU_x86_KVM_HV_TLBFLUSH, 0x40000004, 0x00000004); +KVM_FEATURE_DEF(VIR_CPU_x86_KVM_HV_IPI, + 0x40000004, 0x00000400); static virCPUx86Feature x86_kvm_features[] = { @@ -137,6 +139,7 @@ static virCPUx86Feature x86_kvm_features[] = KVM_FEATURE(VIR_CPU_x86_KVM_HV_FREQUENCIES), KVM_FEATURE(VIR_CPU_x86_KVM_HV_REENLIGHTENMENT), KVM_FEATURE(VIR_CPU_x86_KVM_HV_TLBFLUSH), + KVM_FEATURE(VIR_CPU_x86_KVM_HV_IPI), }; typedef struct _virCPUx86Model virCPUx86Model; diff --git a/src/cpu/cpu_x86_data.h b/src/cpu/cpu_x86_data.h index e75b3a2d0d..8c51d88e1a 100644 --- a/src/cpu/cpu_x86_data.h +++ b/src/cpu/cpu_x86_data.h @@ -65,6 +65,7 @@ struct _virCPUx86CPUID { # define VIR_CPU_x86_KVM_HV_FREQUENCIES "__kvm_hv_frequencies" # 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_DATA_INIT { 0 } diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index f59cbf559e..b4d3f1ee35 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -6899,6 +6899,7 @@ qemuBuildCpuCommandLine(virCommandPtr cmd, def->hyperv_vendor_id); break; + case VIR_DOMAIN_HYPERV_IPI: /* 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 5b4a378a18..ab418432af 100644 --- a/src/qemu/qemu_parse_command.c +++ b/src/qemu/qemu_parse_command.c @@ -1579,6 +1579,7 @@ qemuParseCommandLineCPU(virDomainDefPtr dom, break; + case VIR_DOMAIN_HYPERV_IPI: case VIR_DOMAIN_HYPERV_LAST: break; } diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index 1850923914..3291d3f439 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -3958,6 +3958,7 @@ qemuProcessVerifyHypervFeatures(virDomainDefPtr def, virDomainHypervTypeToString(i)); return -1; + case VIR_DOMAIN_HYPERV_IPI: /* coverity[dead_error_begin] */ case VIR_DOMAIN_HYPERV_VENDOR_ID: case VIR_DOMAIN_HYPERV_LAST: -- 2.17.2