| R Sharada | fce0d57 | 2005-06-25 14:58:10 -0700 | [diff] [blame] | 1 | #ifndef _PPC64_KEXEC_H |
| 2 | #define _PPC64_KEXEC_H |
| 3 | |
| 4 | /* |
| 5 | * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return. |
| 6 | * I.e. Maximum page that is mapped directly into kernel memory, |
| 7 | * and kmap is not required. |
| 8 | */ |
| 9 | |
| 10 | /* Maximum physical address we can use pages from */ |
| 11 | /* XXX: since we copy virt we can use any page we allocate */ |
| 12 | #define KEXEC_SOURCE_MEMORY_LIMIT (-1UL) |
| 13 | |
| 14 | /* Maximum address we can reach in physical address mode */ |
| 15 | /* XXX: I want to allow initrd in highmem. otherwise set to rmo on lpar */ |
| 16 | #define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL) |
| 17 | |
| 18 | /* Maximum address we can use for the control code buffer */ |
| 19 | /* XXX: unused today, ppc32 uses TASK_SIZE, probably left over from use_mm */ |
| 20 | #define KEXEC_CONTROL_MEMORY_LIMIT (-1UL) |
| 21 | |
| 22 | /* XXX: today we don't use this at all, althogh we have a static stack */ |
| 23 | #define KEXEC_CONTROL_CODE_SIZE 4096 |
| 24 | |
| 25 | /* The native architecture */ |
| 26 | #define KEXEC_ARCH KEXEC_ARCH_PPC64 |
| 27 | |
| 28 | #define MAX_NOTE_BYTES 1024 |
| 29 | |
| 30 | #ifndef __ASSEMBLY__ |
| 31 | |
| 32 | typedef u32 note_buf_t[MAX_NOTE_BYTES/4]; |
| 33 | |
| 34 | extern note_buf_t crash_notes[]; |
| 35 | |
| 36 | extern void kexec_smp_wait(void); /* get and clear naca physid, wait for |
| 37 | master to copy new code to 0 */ |
| 38 | |
| 39 | #endif /* __ASSEMBLY__ */ |
| 40 | #endif /* _PPC_KEXEC_H */ |
| 41 | |