42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
#ifndef _PPC64_KEXEC_H
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#define _PPC64_KEXEC_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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/* XXX: since we copy virt we can use any page we allocate */
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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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/* XXX: I want to allow initrd in highmem. otherwise set to rmo on lpar */
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#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
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/* Maximum address we can use for the control code buffer */
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/* XXX: unused today, ppc32 uses TASK_SIZE, probably left over from use_mm */
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#define KEXEC_CONTROL_MEMORY_LIMIT (-1UL)
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/* XXX: today we don't use this at all, althogh we have a static stack */
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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_PPC64
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#define MAX_NOTE_BYTES 1024
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#ifndef __ASSEMBLY__
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typedef u32 note_buf_t[MAX_NOTE_BYTES/4];
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extern note_buf_t crash_notes[];
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extern void kexec_smp_wait(void); /* get and clear naca physid, wait for
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master to copy new code to 0 */
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#endif /* __ASSEMBLY__ */
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#endif /* _PPC_KEXEC_H */
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