[mirror_ubuntu-zesty-kernel.git] / include / asm-i386 / kexec.h

#ifndef _I386_KEXEC_H
#define _I386_KEXEC_H

#include <asm/fixmap.h>

/*
 * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
 * I.e. Maximum page that is mapped directly into kernel memory,
 * and kmap is not required.
 *
 * Someone correct me if FIXADDR_START - PAGEOFFSET is not the correct
 * calculation for the amount of memory directly mappable into the
 * kernel memory space.
 */

/* Maximum physical address we can use pages from */
#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
/* Maximum address we can reach in physical address mode */
#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
/* Maximum address we can use for the control code buffer */
#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE

#define KEXEC_CONTROL_CODE_SIZE	4096

/* The native architecture */
#define KEXEC_ARCH KEXEC_ARCH_386

#define MAX_NOTE_BYTES 1024

#endif /* _I386_KEXEC_H */
Commit	Line	Data
5033cba0 EB	1	#ifndef _I386_KEXEC_H
	2	#define _I386_KEXEC_H
	3
	4	#include <asm/fixmap.h>
	5
	6	/*
	7	* KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
	8	* I.e. Maximum page that is mapped directly into kernel memory,
	9	* and kmap is not required.
	10	*
	11	* Someone correct me if FIXADDR_START - PAGEOFFSET is not the correct
	12	* calculation for the amount of memory directly mappable into the
	13	* kernel memory space.
	14	*/
	15
	16	/* Maximum physical address we can use pages from */
	17	#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
	18	/* Maximum address we can reach in physical address mode */
	19	#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
	20	/* Maximum address we can use for the control code buffer */
	21	#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
	22
	23	#define KEXEC_CONTROL_CODE_SIZE 4096
	24
	25	/* The native architecture */
	26	#define KEXEC_ARCH KEXEC_ARCH_386
	27
625f1c82	28	#define MAX_NOTE_BYTES 1024
625f1c82	29
5033cba0	30	#endif /* _I386_KEXEC_H */