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6142be7ed7
The systemcfg data has nothing to do anymore with the vdso. Split it into a dedicated header file. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/all/20241010-vdso-generic-base-v1-27-b64f0842d512@linutronix.de
52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#ifndef _SYSTEMCFG_H
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#define _SYSTEMCFG_H
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/*
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* Copyright (C) 2002 Peter Bergner <bergner@vnet.ibm.com>, IBM
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* Copyright (C) 2005 Benjamin Herrenschmidy <benh@kernel.crashing.org>,
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* IBM Corp.
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*/
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#ifdef CONFIG_PPC64
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/*
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* If the major version changes we are incompatible.
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* Minor version changes are a hint.
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*/
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#define SYSTEMCFG_MAJOR 1
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#define SYSTEMCFG_MINOR 1
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#include <linux/types.h>
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struct systemcfg {
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__u8 eye_catcher[16]; /* Eyecatcher: SYSTEMCFG:PPC64 0x00 */
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struct { /* Systemcfg version numbers */
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__u32 major; /* Major number 0x10 */
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__u32 minor; /* Minor number 0x14 */
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} version;
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/* Note about the platform flags: it now only contains the lpar
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* bit. The actual platform number is dead and buried
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*/
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__u32 platform; /* Platform flags 0x18 */
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__u32 processor; /* Processor type 0x1C */
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__u64 processorCount; /* # of physical processors 0x20 */
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__u64 physicalMemorySize; /* Size of real memory(B) 0x28 */
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__u64 tb_orig_stamp; /* (NU) Timebase at boot 0x30 */
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__u64 tb_ticks_per_sec; /* Timebase tics / sec 0x38 */
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__u64 tb_to_xs; /* (NU) Inverse of TB to 2^20 0x40 */
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__u64 stamp_xsec; /* (NU) 0x48 */
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__u64 tb_update_count; /* (NU) Timebase atomicity ctr 0x50 */
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__u32 tz_minuteswest; /* (NU) Min. west of Greenwich 0x58 */
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__u32 tz_dsttime; /* (NU) Type of dst correction 0x5C */
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__u32 dcache_size; /* L1 d-cache size 0x60 */
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__u32 dcache_line_size; /* L1 d-cache line size 0x64 */
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__u32 icache_size; /* L1 i-cache size 0x68 */
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__u32 icache_line_size; /* L1 i-cache line size 0x6C */
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};
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extern struct systemcfg *systemcfg;
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#endif /* CONFIG_PPC64 */
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#endif /* _SYSTEMCFG_H */
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