/* 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 */
