42 строки
1.2 KiB
C
42 строки
1.2 KiB
C
#ifndef _PPC64_KEXEC_H
|
|
#define _PPC64_KEXEC_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 */
|
|
/* XXX: since we copy virt we can use any page we allocate */
|
|
#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
|
|
|
|
/* Maximum address we can reach in physical address mode */
|
|
/* XXX: I want to allow initrd in highmem. otherwise set to rmo on lpar */
|
|
#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
|
|
|
|
/* Maximum address we can use for the control code buffer */
|
|
/* XXX: unused today, ppc32 uses TASK_SIZE, probably left over from use_mm */
|
|
#define KEXEC_CONTROL_MEMORY_LIMIT (-1UL)
|
|
|
|
/* XXX: today we don't use this at all, althogh we have a static stack */
|
|
#define KEXEC_CONTROL_CODE_SIZE 4096
|
|
|
|
/* The native architecture */
|
|
#define KEXEC_ARCH KEXEC_ARCH_PPC64
|
|
|
|
#define MAX_NOTE_BYTES 1024
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
typedef u32 note_buf_t[MAX_NOTE_BYTES/4];
|
|
|
|
extern note_buf_t crash_notes[];
|
|
|
|
extern void kexec_smp_wait(void); /* get and clear naca physid, wait for
|
|
master to copy new code to 0 */
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
#endif /* _PPC_KEXEC_H */
|
|
|