diff options
Diffstat (limited to 'kexec/arch/ppc64/crashdump-ppc64.h')
| -rw-r--r-- | kexec/arch/ppc64/crashdump-ppc64.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/kexec/arch/ppc64/crashdump-ppc64.h b/kexec/arch/ppc64/crashdump-ppc64.h new file mode 100644 index 0000000..b0cba8a --- /dev/null +++ b/kexec/arch/ppc64/crashdump-ppc64.h @@ -0,0 +1,51 @@ +#ifndef CRASHDUMP_PPC64_H +#define CRASHDUMP_PPC64_H + +#include <stdint.h> +#include <sys/types.h> + +struct kexec_info; +int load_crashdump_segments(struct kexec_info *info, char *mod_cmdline, + uint64_t max_addr, unsigned long min_base); +void add_usable_mem_rgns(unsigned long long base, unsigned long long size); + +#define PAGE_OFFSET 0xC000000000000000ULL +#define KERNELBASE PAGE_OFFSET +#define VMALLOCBASE 0xD000000000000000ULL + +#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET) +#define MAXMEM (-(unsigned long)(KERNELBASE-VMALLOCBASE)) + +#define COMMAND_LINE_SIZE 2048 /* from kernel */ +/* Backup Region, First 64K of System RAM. */ +#define BACKUP_SRC_START 0x0000 +#define BACKUP_SRC_END 0xffff +#define BACKUP_SRC_SIZE (BACKUP_SRC_END - BACKUP_SRC_START + 1) + +#define KDUMP_BACKUP_LIMIT BACKUP_SRC_SIZE + +#define KERNEL_RUN_AT_ZERO_MAGIC 0x72756e30 /* "run0" */ + +extern uint64_t crash_base; +extern uint64_t crash_size; +extern uint64_t memory_limit; +extern unsigned int rtas_base; +extern unsigned int rtas_size; +extern uint64_t opal_base; +extern uint64_t opal_size; + +/* + * In case of ibm,dynamic-memory-v2 property, this is the number of LMB + * sets where each set represents a group of sequential LMB entries. In + * case of ibm,dynamic-memory property, the number of LMB sets is nothing + * but the total number of LMB entries. + */ +extern unsigned int num_of_lmb_sets; +extern unsigned int is_dyn_mem_v2; +extern uint64_t lmb_size; + +#define LMB_ENTRY_SIZE 24 +#define DRCONF_ADDR (is_dyn_mem_v2 ? 4 : 0) +#define DRCONF_FLAGS 20 + +#endif /* CRASHDUMP_PPC64_H */ |