1/*
 2 * Definitions for the wakeup data structure at the head of the
 3 * wakeup code.
 4 */
 5
 6#ifndef ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H
 7#define ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H
 8
 9#ifndef __ASSEMBLY__
10#include <linux/types.h>
11
12/* This must match data at wakeup.S */
13struct wakeup_header {
14	u16 video_mode;		/* Video mode number */
15	u32 pmode_entry;	/* Protected mode resume point, 32-bit only */
16	u16 pmode_cs;
17	u32 pmode_cr0;		/* Protected mode cr0 */
18	u32 pmode_cr3;		/* Protected mode cr3 */
19	u32 pmode_cr4;		/* Protected mode cr4 */
20	u32 pmode_efer_low;	/* Protected mode EFER */
21	u32 pmode_efer_high;
22	u64 pmode_gdt;
23	u32 pmode_misc_en_low;	/* Protected mode MISC_ENABLE */
24	u32 pmode_misc_en_high;
25	u32 pmode_behavior;	/* Wakeup routine behavior flags */
26	u32 realmode_flags;
27	u32 real_magic;
28	u32 signature;		/* To check we have correct structure */
29} __attribute__((__packed__));
30
31extern struct wakeup_header wakeup_header;
32#endif
33
34#define WAKEUP_HEADER_OFFSET	8
35#define WAKEUP_HEADER_SIGNATURE 0x51ee1111
36
37/* Wakeup behavior bits */
38#define WAKEUP_BEHAVIOR_RESTORE_MISC_ENABLE     0
39
40#endif /* ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H */