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authorVitaly Kuznetsov <vkuznets@redhat.com>2016-06-30 17:56:35 +0200
committerDavid Vrabel <david.vrabel@citrix.com>2016-07-25 13:30:45 +0100
commitde2f5537b397249e91cafcbed4de64a24818542e (patch)
treeafb616adc5580c8952a3c25257574014ce414d3f /arch/x86/include/asm
parentfbc872c38c8fed31948c85683b5326ee5ab9fccc (diff)
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x86/xen: update cpuid.h from Xen-4.7
Update cpuid.h header from xen hypervisor tree to get XEN_HVM_CPUID_VCPU_ID_PRESENT definition. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r--arch/x86/include/asm/xen/cpuid.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/include/asm/xen/cpuid.h b/arch/x86/include/asm/xen/cpuid.h
index 0d809e9fc975..3bdd10d71223 100644
--- a/arch/x86/include/asm/xen/cpuid.h
+++ b/arch/x86/include/asm/xen/cpuid.h
@@ -76,15 +76,18 @@
/*
* Leaf 5 (0x40000x04)
* HVM-specific features
+ * EAX: Features
+ * EBX: vcpu id (iff EAX has XEN_HVM_CPUID_VCPU_ID_PRESENT flag)
*/
-/* EAX Features */
/* Virtualized APIC registers */
#define XEN_HVM_CPUID_APIC_ACCESS_VIRT (1u << 0)
/* Virtualized x2APIC accesses */
#define XEN_HVM_CPUID_X2APIC_VIRT (1u << 1)
/* Memory mapped from other domains has valid IOMMU entries */
#define XEN_HVM_CPUID_IOMMU_MAPPINGS (1u << 2)
+/* vcpu id is present in EBX */
+#define XEN_HVM_CPUID_VCPU_ID_PRESENT (1u << 3)
#define XEN_CPUID_MAX_NUM_LEAVES 4