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