Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / x86 / realmode / rm / wakeup.h

diff --git a/kernel/arch/x86/realmode/rm/wakeup.h b/kernel/arch/x86/realmode/rm/wakeup.h
new file mode 100644 (file)
index 0000000..7dd86a4
--- /dev/null
+++ b/kernel/arch/x86/realmode/rm/wakeup.h
@@ -0,0 +1,42 @@
+/*
+ * Definitions for the wakeup data structure at the head of the
+ * wakeup code.
+ */
+
+#ifndef ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H
+#define ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+
+/* This must match data at wakeup.S */
+struct wakeup_header {
+       u16 video_mode;         /* Video mode number */
+       u32 pmode_entry;        /* Protected mode resume point, 32-bit only */
+       u16 pmode_cs;
+       u32 pmode_cr0;          /* Protected mode cr0 */
+       u32 pmode_cr3;          /* Protected mode cr3 */
+       u32 pmode_cr4;          /* Protected mode cr4 */
+       u32 pmode_efer_low;     /* Protected mode EFER */
+       u32 pmode_efer_high;
+       u64 pmode_gdt;
+       u32 pmode_misc_en_low;  /* Protected mode MISC_ENABLE */
+       u32 pmode_misc_en_high;
+       u32 pmode_behavior;     /* Wakeup routine behavior flags */
+       u32 realmode_flags;
+       u32 real_magic;
+       u32 signature;          /* To check we have correct structure */
+} __attribute__((__packed__));
+
+extern struct wakeup_header wakeup_header;
+#endif
+
+#define WAKEUP_HEADER_OFFSET   8
+#define WAKEUP_HEADER_SIGNATURE 0x51ee1111
+
+/* Wakeup behavior bits */
+#define WAKEUP_BEHAVIOR_RESTORE_MISC_ENABLE     0
+#define WAKEUP_BEHAVIOR_RESTORE_CR4            1
+#define WAKEUP_BEHAVIOR_RESTORE_EFER           2
+
+#endif /* ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H */