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/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _SYSTEMCFG_H
#define _SYSTEMCFG_H
/*
* Copyright (C) 2002 Peter Bergner <bergner@vnet.ibm.com>, IBM
* Copyright (C) 2005 Benjamin Herrenschmidy <benh@kernel.crashing.org>,
* IBM Corp.
*/
#ifdef CONFIG_PPC64
/*
* If the major version changes we are incompatible.
* Minor version changes are a hint.
*/
#define SYSTEMCFG_MAJOR 1
#define SYSTEMCFG_MINOR 1
#include <linux/types.h>
struct systemcfg {
__u8 eye_catcher[16]; /* Eyecatcher: SYSTEMCFG:PPC64 0x00 */
struct { /* Systemcfg version numbers */
__u32 major; /* Major number 0x10 */
__u32 minor; /* Minor number 0x14 */
} version;
/* Note about the platform flags: it now only contains the lpar
* bit. The actual platform number is dead and buried
*/
__u32 platform; /* Platform flags 0x18 */
__u32 processor; /* Processor type 0x1C */
__u64 processorCount; /* # of physical processors 0x20 */
__u64 physicalMemorySize; /* Size of real memory(B) 0x28 */
__u64 tb_orig_stamp; /* (NU) Timebase at boot 0x30 */
__u64 tb_ticks_per_sec; /* Timebase tics / sec 0x38 */
__u64 tb_to_xs; /* (NU) Inverse of TB to 2^20 0x40 */
__u64 stamp_xsec; /* (NU) 0x48 */
__u64 tb_update_count; /* (NU) Timebase atomicity ctr 0x50 */
__u32 tz_minuteswest; /* (NU) Min. west of Greenwich 0x58 */
__u32 tz_dsttime; /* (NU) Type of dst correction 0x5C */
__u32 dcache_size; /* L1 d-cache size 0x60 */
__u32 dcache_line_size; /* L1 d-cache line size 0x64 */
__u32 icache_size; /* L1 i-cache size 0x68 */
__u32 icache_line_size; /* L1 i-cache line size 0x6C */
};
extern struct systemcfg *systemcfg;
#endif /* CONFIG_PPC64 */
#endif /* _SYSTEMCFG_H */
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