diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-powerpc/abs_addr.h | 3 | ||||
| -rw-r--r-- | include/asm-powerpc/lmb.h | 82 | ||||
| -rw-r--r-- | include/asm-sparc64/lmb.h | 10 | ||||
| -rw-r--r-- | include/linux/lmb.h | 83 |
4 files changed, 103 insertions, 75 deletions
diff --git a/include/asm-powerpc/abs_addr.h b/include/asm-powerpc/abs_addr.h index 4aa220718b19..98324c5a8286 100644 --- a/include/asm-powerpc/abs_addr.h +++ b/include/asm-powerpc/abs_addr.h @@ -12,10 +12,11 @@ * 2 of the License, or (at your option) any later version. */ +#include <linux/lmb.h> + #include <asm/types.h> #include <asm/page.h> #include <asm/prom.h> -#include <asm/lmb.h> #include <asm/firmware.h> struct mschunks_map { diff --git a/include/asm-powerpc/lmb.h b/include/asm-powerpc/lmb.h index 5d1dc48a0bb8..028184b6a162 100644 --- a/include/asm-powerpc/lmb.h +++ b/include/asm-powerpc/lmb.h @@ -1,81 +1,15 @@ #ifndef _ASM_POWERPC_LMB_H #define _ASM_POWERPC_LMB_H -#ifdef __KERNEL__ -/* - * Definitions for talking to the Open Firmware PROM on - * Power Macintosh computers. - * - * Copyright (C) 2001 Peter Bergner, IBM Corp. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ +#include <asm/udbg.h> -#include <linux/init.h> -#include <asm/prom.h> +#define LMB_DBG(fmt...) udbg_printf(fmt) -#define MAX_LMB_REGIONS 128 +#ifdef CONFIG_PPC32 +extern unsigned long __max_low_memory; +#define LMB_REAL_LIMIT __max_low_memory +#else +#define LMB_REAL_LIMIT 0 +#endif -struct lmb_property { - unsigned long base; - unsigned long size; -}; - -struct lmb_region { - unsigned long cnt; - unsigned long size; - struct lmb_property region[MAX_LMB_REGIONS+1]; -}; - -struct lmb { - unsigned long debug; - unsigned long rmo_size; - struct lmb_region memory; - struct lmb_region reserved; -}; - -extern struct lmb lmb; - -extern void __init lmb_init(void); -extern void __init lmb_analyze(void); -extern long __init lmb_add(unsigned long base, unsigned long size); -extern long __init lmb_reserve(unsigned long base, unsigned long size); -extern unsigned long __init lmb_alloc(unsigned long size, unsigned long align); -extern unsigned long __init lmb_alloc_base(unsigned long size, - unsigned long align, unsigned long max_addr); -extern unsigned long __init __lmb_alloc_base(unsigned long size, - unsigned long align, unsigned long max_addr); -extern unsigned long __init lmb_phys_mem_size(void); -extern unsigned long __init lmb_end_of_DRAM(void); -extern void __init lmb_enforce_memory_limit(unsigned long memory_limit); -extern int __init lmb_is_reserved(unsigned long addr); - -extern void lmb_dump_all(void); - -static inline unsigned long -lmb_size_bytes(struct lmb_region *type, unsigned long region_nr) -{ - return type->region[region_nr].size; -} -static inline unsigned long -lmb_size_pages(struct lmb_region *type, unsigned long region_nr) -{ - return lmb_size_bytes(type, region_nr) >> PAGE_SHIFT; -} -static inline unsigned long -lmb_start_pfn(struct lmb_region *type, unsigned long region_nr) -{ - return type->region[region_nr].base >> PAGE_SHIFT; -} -static inline unsigned long -lmb_end_pfn(struct lmb_region *type, unsigned long region_nr) -{ - return lmb_start_pfn(type, region_nr) + - lmb_size_pages(type, region_nr); -} - -#endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_LMB_H */ diff --git a/include/asm-sparc64/lmb.h b/include/asm-sparc64/lmb.h new file mode 100644 index 000000000000..6a352cbcf520 --- /dev/null +++ b/include/asm-sparc64/lmb.h @@ -0,0 +1,10 @@ +#ifndef _SPARC64_LMB_H +#define _SPARC64_LMB_H + +#include <asm/oplib.h> + +#define LMB_DBG(fmt...) prom_printf(fmt) + +#define LMB_REAL_LIMIT 0 + +#endif /* !(_SPARC64_LMB_H) */ diff --git a/include/linux/lmb.h b/include/linux/lmb.h new file mode 100644 index 000000000000..8b93f63407e9 --- /dev/null +++ b/include/linux/lmb.h @@ -0,0 +1,83 @@ +#ifndef _LINUX_LMB_H +#define _LINUX_LMB_H +#ifdef __KERNEL__ + +/* + * Logical memory blocks. + * + * Copyright (C) 2001 Peter Bergner, IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/init.h> +#include <linux/mm.h> + +#define MAX_LMB_REGIONS 128 + +struct lmb_property { + unsigned long base; + unsigned long size; +}; + +struct lmb_region { + unsigned long cnt; + unsigned long size; + struct lmb_property region[MAX_LMB_REGIONS+1]; +}; + +struct lmb { + unsigned long debug; + unsigned long rmo_size; + struct lmb_region memory; + struct lmb_region reserved; +}; + +extern struct lmb lmb; + +extern void __init lmb_init(void); +extern void __init lmb_analyze(void); +extern long __init lmb_add(unsigned long base, unsigned long size); +extern long __init lmb_reserve(unsigned long base, unsigned long size); +extern unsigned long __init lmb_alloc(unsigned long size, unsigned long align); +extern unsigned long __init lmb_alloc_base(unsigned long size, + unsigned long align, unsigned long max_addr); +extern unsigned long __init __lmb_alloc_base(unsigned long size, + unsigned long align, unsigned long max_addr); +extern unsigned long __init lmb_phys_mem_size(void); +extern unsigned long __init lmb_end_of_DRAM(void); +extern void __init lmb_enforce_memory_limit(unsigned long memory_limit); +extern int __init lmb_is_reserved(unsigned long addr); + +extern void lmb_dump_all(void); + +static inline unsigned long +lmb_size_bytes(struct lmb_region *type, unsigned long region_nr) +{ + return type->region[region_nr].size; +} +static inline unsigned long +lmb_size_pages(struct lmb_region *type, unsigned long region_nr) +{ + return lmb_size_bytes(type, region_nr) >> PAGE_SHIFT; +} +static inline unsigned long +lmb_start_pfn(struct lmb_region *type, unsigned long region_nr) +{ + return type->region[region_nr].base >> PAGE_SHIFT; +} +static inline unsigned long +lmb_end_pfn(struct lmb_region *type, unsigned long region_nr) +{ + return lmb_start_pfn(type, region_nr) + + lmb_size_pages(type, region_nr); +} + +#include <asm/lmb.h> + +#endif /* __KERNEL__ */ + +#endif /* _LINUX_LMB_H */ |