| /* | |
| * Hypervisor-assisted dump | |
| * | |
| * Linas Vepstas, Manish Ahuja 2008 | |
| * Copyright 2008 IBM Corp. | |
| * | |
| * This program is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU General Public License | |
| * as published by the Free Software Foundation; either version | |
| * 2 of the License, or (at your option) any later version. | |
| */ | |
| #ifndef _PPC64_PHYP_DUMP_H | |
| #define _PPC64_PHYP_DUMP_H | |
| #ifdef CONFIG_PHYP_DUMP | |
| /* The RMR region will be saved for later dumping | |
| * whenever the kernel crashes. Set this to 256MB. */ | |
| #define PHYP_DUMP_RMR_START 0x0 | |
| #define PHYP_DUMP_RMR_END (1UL<<28) | |
| struct phyp_dump { | |
| /* Memory that is reserved during very early boot. */ | |
| unsigned long init_reserve_start; | |
| unsigned long init_reserve_size; | |
| /* cmd line options during boot */ | |
| unsigned long reserve_bootvar; | |
| unsigned long phyp_dump_at_boot; | |
| /* Check status during boot if dump supported, active & present*/ | |
| unsigned long phyp_dump_configured; | |
| unsigned long phyp_dump_is_active; | |
| /* store cpu & hpte size */ | |
| unsigned long cpu_state_size; | |
| unsigned long hpte_region_size; | |
| /* previous scratch area values */ | |
| unsigned long reserved_scratch_addr; | |
| unsigned long reserved_scratch_size; | |
| }; | |
| extern struct phyp_dump *phyp_dump_info; | |
| int early_init_dt_scan_phyp_dump(unsigned long node, | |
| const char *uname, int depth, void *data); | |
| #endif /* CONFIG_PHYP_DUMP */ | |
| #endif /* _PPC64_PHYP_DUMP_H */ |