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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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fe1d475888
To allow for easier build test coverage and run-time testing, this allows multiple compression algorithms to be built into pstore. Still only one is supported to operate at a time (which can be selected at build time or at boot time, similar to how LSMs are selected). Signed-off-by: Kees Cook <keescook@chromium.org>
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __PSTORE_INTERNAL_H__
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#define __PSTORE_INTERNAL_H__
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#include <linux/types.h>
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#include <linux/time.h>
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#include <linux/pstore.h>
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#define PSTORE_DEFAULT_KMSG_BYTES 10240
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extern unsigned long kmsg_bytes;
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#ifdef CONFIG_PSTORE_FTRACE
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extern void pstore_register_ftrace(void);
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extern void pstore_unregister_ftrace(void);
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#else
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static inline void pstore_register_ftrace(void) {}
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static inline void pstore_unregister_ftrace(void) {}
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#endif
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#ifdef CONFIG_PSTORE_PMSG
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extern void pstore_register_pmsg(void);
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extern void pstore_unregister_pmsg(void);
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#else
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static inline void pstore_register_pmsg(void) {}
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static inline void pstore_unregister_pmsg(void) {}
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#endif
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extern struct pstore_info *psinfo;
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extern void pstore_set_kmsg_bytes(int);
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extern void pstore_get_records(int);
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extern void pstore_get_backend_records(struct pstore_info *psi,
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struct dentry *root, int quiet);
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extern int pstore_mkfile(struct dentry *root,
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struct pstore_record *record);
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extern bool pstore_is_mounted(void);
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extern void pstore_record_init(struct pstore_record *record,
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struct pstore_info *psi);
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/* Called during module_init() */
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extern void __init pstore_choose_compression(void);
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#endif
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