| #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 */ |
| |
