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authorMaxim Levitsky <mlevitsk@redhat.com>2022-02-07 16:54:26 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2022-02-08 19:30:50 +0100
commit3915035282573c5e29996ce3173171f5f05234d1 (patch)
tree7cca41407d4dcacf8f0a63992afc7eb4e5e85f71 /arch/x86/include/asm/svm.h
parentKVM: x86: lapic: don't touch irr_pending in kvm_apic_update_apicv when inhibi... (diff)
downloadlinux-3915035282573c5e29996ce3173171f5f05234d1.tar.xz
linux-3915035282573c5e29996ce3173171f5f05234d1.zip
KVM: x86: SVM: move avic definitions from AMD's spec to svm.h
asm/svm.h is the correct place for all values that are defined in the SVM spec, and that includes AVIC. Also add some values from the spec that were not defined before and will be soon useful. Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com> Message-Id: <20220207155447.840194-10-mlevitsk@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/svm.h')
-rw-r--r--arch/x86/include/asm/svm.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h
index b00dbc5fac2b..bb2fb78523ce 100644
--- a/arch/x86/include/asm/svm.h
+++ b/arch/x86/include/asm/svm.h
@@ -220,6 +220,42 @@ struct __attribute__ ((__packed__)) vmcb_control_area {
#define SVM_NESTED_CTL_SEV_ENABLE BIT(1)
#define SVM_NESTED_CTL_SEV_ES_ENABLE BIT(2)
+
+/* AVIC */
+#define AVIC_LOGICAL_ID_ENTRY_GUEST_PHYSICAL_ID_MASK (0xFF)
+#define AVIC_LOGICAL_ID_ENTRY_VALID_BIT 31
+#define AVIC_LOGICAL_ID_ENTRY_VALID_MASK (1 << 31)
+
+#define AVIC_PHYSICAL_ID_ENTRY_HOST_PHYSICAL_ID_MASK (0xFFULL)
+#define AVIC_PHYSICAL_ID_ENTRY_BACKING_PAGE_MASK (0xFFFFFFFFFFULL << 12)
+#define AVIC_PHYSICAL_ID_ENTRY_IS_RUNNING_MASK (1ULL << 62)
+#define AVIC_PHYSICAL_ID_ENTRY_VALID_MASK (1ULL << 63)
+#define AVIC_PHYSICAL_ID_TABLE_SIZE_MASK (0xFF)
+
+#define AVIC_DOORBELL_PHYSICAL_ID_MASK (0xFF)
+
+#define AVIC_UNACCEL_ACCESS_WRITE_MASK 1
+#define AVIC_UNACCEL_ACCESS_OFFSET_MASK 0xFF0
+#define AVIC_UNACCEL_ACCESS_VECTOR_MASK 0xFFFFFFFF
+
+enum avic_ipi_failure_cause {
+ AVIC_IPI_FAILURE_INVALID_INT_TYPE,
+ AVIC_IPI_FAILURE_TARGET_NOT_RUNNING,
+ AVIC_IPI_FAILURE_INVALID_TARGET,
+ AVIC_IPI_FAILURE_INVALID_BACKING_PAGE,
+};
+
+
+/*
+ * 0xff is broadcast, so the max index allowed for physical APIC ID
+ * table is 0xfe. APIC IDs above 0xff are reserved.
+ */
+#define AVIC_MAX_PHYSICAL_ID_COUNT 0xff
+
+#define AVIC_HPA_MASK ~((0xFFFULL << 52) | 0xFFF)
+#define VMCB_AVIC_APIC_BAR_MASK 0xFFFFFFFFFF000ULL
+
+
struct vmcb_seg {
u16 selector;
u16 attrib;