2005-06-26 05:58:11 +08:00
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/*
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* include/asm-s390/kexec.h
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*
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* (C) Copyright IBM Corp. 2005
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*
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* Author(s): Rolf Adelsberger <adelsberger@de.ibm.com>
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*
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*/
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#ifndef _S390_KEXEC_H
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#define _S390_KEXEC_H
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2008-02-07 16:15:56 +08:00
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#ifdef __KERNEL__
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2005-06-26 05:58:11 +08:00
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#include <asm/page.h>
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2008-02-07 16:15:56 +08:00
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#endif
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2005-06-26 05:58:11 +08:00
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#include <asm/processor.h>
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/*
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* KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
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* I.e. Maximum page that is mapped directly into kernel memory,
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* and kmap is not required.
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*/
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/* Maximum physical address we can use pages from */
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#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
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/* Maximum address we can reach in physical address mode */
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#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
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/* Maximum address we can use for the control pages */
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/* Not more than 2GB */
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2006-12-04 22:40:28 +08:00
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#define KEXEC_CONTROL_MEMORY_LIMIT (1UL<<31)
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2005-06-26 05:58:11 +08:00
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/* Allocate one page for the pdp and the second for the code */
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#define KEXEC_CONTROL_CODE_SIZE 4096
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/* The native architecture */
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#define KEXEC_ARCH KEXEC_ARCH_S390
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2006-01-10 12:51:45 +08:00
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/* Provide a dummy definition to avoid build failures. */
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static inline void crash_setup_regs(struct pt_regs *newregs,
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struct pt_regs *oldregs) { }
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2005-06-26 05:58:11 +08:00
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#endif /*_S390_KEXEC_H */
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