projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| cf13f0ea HC |
1 | /* |
| 2 | * include/asm-s390/kexec.h | |
| 3 | * | |
| 4 | * (C) Copyright IBM Corp. 2005 | |
| 5 | * | |
| 6 | * Author(s): Rolf Adelsberger <adelsberger@de.ibm.com> | |
| 7 | * | |
| 8 | */ | |
| 9 | ||
| 10 | #ifndef _S390_KEXEC_H | |
| 11 | #define _S390_KEXEC_H | |
| 12 | ||
| 13 | #include <asm/page.h> | |
| 14 | #include <asm/processor.h> | |
| 15 | /* | |
| 16 | * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return. | |
| 17 | * I.e. Maximum page that is mapped directly into kernel memory, | |
| 18 | * and kmap is not required. | |
| 19 | */ | |
| 20 | ||
| 21 | /* Maximum physical address we can use pages from */ | |
| 22 | #define KEXEC_SOURCE_MEMORY_LIMIT (-1UL) | |
| 23 | ||
| 24 | /* Maximum address we can reach in physical address mode */ | |
| 25 | #define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL) | |
| 26 | ||
| 27 | /* Maximum address we can use for the control pages */ | |
| 28 | /* Not more than 2GB */ | |
| a1a392f0 | 29 | #define KEXEC_CONTROL_MEMORY_LIMIT (1UL<<31) |
| cf13f0ea HC |
30 | |
| 31 | /* Allocate one page for the pdp and the second for the code */ | |
| 32 | #define KEXEC_CONTROL_CODE_SIZE 4096 | |
| 33 | ||
| 34 | /* The native architecture */ | |
| 35 | #define KEXEC_ARCH KEXEC_ARCH_S390 | |
| 36 | ||
| bf208305 | 37 | /* Provide a dummy definition to avoid build failures. */ |
| 38 | static inline void crash_setup_regs(struct pt_regs *newregs, | |
| 39 | struct pt_regs *oldregs) { } | |
| 40 | ||
| cf13f0ea | 41 | #endif /*_S390_KEXEC_H */ |