mirror of https://gitee.com/openkylin/linux.git
43 lines
1021 B
C
43 lines
1021 B
C
|
/*
|
||
|
|
* 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
|
||
|
|
|
||
|
|
#include <asm/page.h>
|
||
|
|
#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 */
|
||
|
|
#define KEXEC_CONTROL_MEMORY_LIMIT (1<<31)
|
||
|
|
|
||
|
|
/* Allocate one page for the pdp and the second for the code */
|
||
|
|
#define KEXEC_CONTROL_CODE_SIZE 4096
|
||
|
|
|
||
|
|
/* The native architecture */
|
||
|
|
#define KEXEC_ARCH KEXEC_ARCH_S390
|
||
|
|
|
||
|
|
#define MAX_NOTE_BYTES 1024
|
||
|
|
typedef u32 note_buf_t[MAX_NOTE_BYTES/4];
|
||
|
|
|
||
|
|
extern note_buf_t crash_notes[];
|
||
|
|
|
||
|
|
#endif /*_S390_KEXEC_H */
|