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| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
|---|---|
| 2 | #ifndef _SYSTEMCFG_H |
| 3 | #define _SYSTEMCFG_H |
| 4 | |
| 5 | /* |
| 6 | * Copyright (C) 2002 Peter Bergner <bergner@vnet.ibm.com>, IBM |
| 7 | * Copyright (C) 2005 Benjamin Herrenschmidy <benh@kernel.crashing.org>, |
| 8 | * IBM Corp. |
| 9 | */ |
| 10 | |
| 11 | #ifdef CONFIG_PPC64 |
| 12 | |
| 13 | /* |
| 14 | * If the major version changes we are incompatible. |
| 15 | * Minor version changes are a hint. |
| 16 | */ |
| 17 | #define SYSTEMCFG_MAJOR 1 |
| 18 | #define SYSTEMCFG_MINOR 1 |
| 19 | |
| 20 | #include <linux/types.h> |
| 21 | |
| 22 | struct systemcfg { |
| 23 | __u8 eye_catcher[16]; /* Eyecatcher: SYSTEMCFG:PPC64 0x00 */ |
| 24 | struct { /* Systemcfg version numbers */ |
| 25 | __u32 major; /* Major number 0x10 */ |
| 26 | __u32 minor; /* Minor number 0x14 */ |
| 27 | } version; |
| 28 | |
| 29 | /* Note about the platform flags: it now only contains the lpar |
| 30 | * bit. The actual platform number is dead and buried |
| 31 | */ |
| 32 | __u32 platform; /* Platform flags 0x18 */ |
| 33 | __u32 processor; /* Processor type 0x1C */ |
| 34 | __u64 processorCount; /* # of physical processors 0x20 */ |
| 35 | __u64 physicalMemorySize; /* Size of real memory(B) 0x28 */ |
| 36 | __u64 tb_orig_stamp; /* (NU) Timebase at boot 0x30 */ |
| 37 | __u64 tb_ticks_per_sec; /* Timebase tics / sec 0x38 */ |
| 38 | __u64 tb_to_xs; /* (NU) Inverse of TB to 2^20 0x40 */ |
| 39 | __u64 stamp_xsec; /* (NU) 0x48 */ |
| 40 | __u64 tb_update_count; /* (NU) Timebase atomicity ctr 0x50 */ |
| 41 | __u32 tz_minuteswest; /* (NU) Min. west of Greenwich 0x58 */ |
| 42 | __u32 tz_dsttime; /* (NU) Type of dst correction 0x5C */ |
| 43 | __u32 dcache_size; /* L1 d-cache size 0x60 */ |
| 44 | __u32 dcache_line_size; /* L1 d-cache line size 0x64 */ |
| 45 | __u32 icache_size; /* L1 i-cache size 0x68 */ |
| 46 | __u32 icache_line_size; /* L1 i-cache line size 0x6C */ |
| 47 | }; |
| 48 | |
| 49 | extern struct systemcfg *systemcfg; |
| 50 | |
| 51 | #endif /* CONFIG_PPC64 */ |
| 52 | #endif /* _SYSTEMCFG_H */ |
| 53 |
Warning: This file is not a C or C++ file. It does not have highlighting.