| /* 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 */ |
