diff options
Diffstat (limited to 'include/asm-s390')
| -rw-r--r-- | include/asm-s390/kexec.h | 42 | ||||
| -rw-r--r-- | include/asm-s390/unistd.h | 2 |
2 files changed, 43 insertions, 1 deletions
diff --git a/include/asm-s390/kexec.h b/include/asm-s390/kexec.h new file mode 100644 index 000000000000..54cf7d9f251c --- /dev/null +++ b/include/asm-s390/kexec.h @@ -0,0 +1,42 @@ +/* + * include/asm-s390/kexec.h + * + * (C) Copyright IBM Corp. 2005 + * + * Author(s): Rolf Adelsberger <adelsberger@de.ibm.com> + * + */ + +#ifndef _S390_KEXEC_H +#define _S390_KEXEC_H + +#include <asm/page.h> +#include <asm/processor.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 */ +#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL) + +/* Maximum address we can reach in physical address mode */ +#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL) + +/* Maximum address we can use for the control pages */ +/* Not more than 2GB */ +#define KEXEC_CONTROL_MEMORY_LIMIT (1<<31) + +/* Allocate one page for the pdp and the second for the code */ +#define KEXEC_CONTROL_CODE_SIZE 4096 + +/* The native architecture */ +#define KEXEC_ARCH KEXEC_ARCH_S390 + +#define MAX_NOTE_BYTES 1024 +typedef u32 note_buf_t[MAX_NOTE_BYTES/4]; + +extern note_buf_t crash_notes[]; + +#endif /*_S390_KEXEC_H */ diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h index f1a204f7c0f0..363db45f8d07 100644 --- a/include/asm-s390/unistd.h +++ b/include/asm-s390/unistd.h @@ -269,7 +269,7 @@ #define __NR_mq_timedreceive 274 #define __NR_mq_notify 275 #define __NR_mq_getsetattr 276 -/* Number 277 is reserved for new sys_kexec_load */ +#define __NR_kexec_load 277 #define __NR_add_key 278 #define __NR_request_key 279 #define __NR_keyctl 280 |