1 files changed, 57 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/arch/x86/drivers/hyperv/hyperv.h b/qemu/roms/ipxe/src/arch/x86/drivers/hyperv/hyperv.h
new file mode 100644
index 000000000..0d09beb44
--- /dev/null
+++ b/qemu/roms/ipxe/src/arch/x86/drivers/hyperv/hyperv.h
@@ -0,0 +1,57 @@
+#ifndef _HYPERV_H
+#define _HYPERV_H
+
+/** @file
+ *
+ * Hyper-V driver
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+/** Get vendor identification */
+#define HV_CPUID_VENDOR_ID 0x40000000UL
+
+/** Get interface identification */
+#define HV_CPUID_INTERFACE_ID 0x40000001UL
+
+/** Get hypervisor identification */
+#define HV_CPUID_HYPERVISOR_ID 0x40000002UL
+
+/** Get hypervisor features */
+#define HV_CPUID_FEATURES 0x40000003UL
+
+/** SynIC MSRs are available */
+#define HV_FEATURES_AVAIL_SYNIC_MSR 0x00000004UL
+
+/** Hypercall MSRs are available */
+#define HV_FEATURES_AVAIL_HYPERCALL_MSR 0x00000020UL
+
+/** Guest may post messages */
+#define HV_FEATURES_PERM_POST_MESSAGES 0x00000010UL
+
+/** Guest may signal events */
+#define HV_FEATURES_PERM_SIGNAL_EVENTS 0x00000020UL
+
+/** Guest OS identity MSR */
+#define HV_X64_MSR_GUEST_OS_ID 0x40000000UL
+
+/** Hypercall page MSR */
+#define HV_X64_MSR_HYPERCALL 0x40000001UL
+
+/** SynIC control MSR */
+#define HV_X64_MSR_SCONTROL 0x40000080UL
+
+/** SynIC event flags page MSR */
+#define HV_X64_MSR_SIEFP 0x40000082UL
+
+/** SynIC message page MSR */
+#define HV_X64_MSR_SIMP 0x40000083UL
+
+/** SynIC end of message MSR */
+#define HV_X64_MSR_EOM 0x40000084UL
+
+/** SynIC interrupt source MSRs */
+#define HV_X64_MSR_SINT(x) ( 0x40000090UL + (x) )
+
+#endif /* _HYPERV_H */