2005-06-26 05:58:11 +08:00
|
|
|
/*
|
|
|
|
|
* include/asm-s390/kexec.h
|
|
|
|
|
*
|
|
|
|
|
* (C) Copyright IBM Corp. 2005
|
|
|
|
|
*
|
|
|
|
|
* Author(s): Rolf Adelsberger <adelsberger@de.ibm.com>
|
|
|
|
|
*
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef _S390_KEXEC_H
|
|
|
|
|
#define _S390_KEXEC_H
|
|
|
|
|
|
2008-02-07 16:15:56 +08:00
|
|
|
#ifdef __KERNEL__
|
2005-06-26 05:58:11 +08:00
|
|
|
#include <asm/page.h>
|
2008-02-07 16:15:56 +08:00
|
|
|
#endif
|
2005-06-26 05:58:11 +08:00
|
|
|
#include <asm/processor.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.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/* 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 pages */
|
|
|
|
|
/* Not more than 2GB */
|
2006-12-04 22:40:28 +08:00
|
|
|
#define KEXEC_CONTROL_MEMORY_LIMIT (1UL<<31)
|
2005-06-26 05:58:11 +08:00
|
|
|
|
|
|
|
|
/* Allocate one page for the pdp and the second for the code */
|
2008-08-15 15:40:22 +08:00
|
|
|
#define KEXEC_CONTROL_PAGE_SIZE 4096
|
2005-06-26 05:58:11 +08:00
|
|
|
|
|
|
|
|
/* The native architecture */
|
|
|
|
|
#define KEXEC_ARCH KEXEC_ARCH_S390
|
|
|
|
|
|
2006-01-10 12:51:45 +08:00
|
|
|
/* Provide a dummy definition to avoid build failures. */
|
|
|
|
|
static inline void crash_setup_regs(struct pt_regs *newregs,
|
|
|
|
|
struct pt_regs *oldregs) { }
|
|
|
|
|
|
2005-06-26 05:58:11 +08:00
|
|
|
#endif /*_S390_KEXEC_H */
|
