|  | /* | 
|  | * Copyright (C) 2010 Loongson Inc. & Lemote Inc. & | 
|  | *                    Insititute of Computing Technology | 
|  | * Author:  Xiang Gao, gaoxiang@ict.ac.cn | 
|  | *          Huacai Chen, chenhc@lemote.com | 
|  | *          Xiaofu Meng, Shuangshuang Zhang | 
|  | * | 
|  | * 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. | 
|  | */ | 
|  | #ifndef _ASM_MACH_MMZONE_H | 
|  | #define _ASM_MACH_MMZONE_H | 
|  |  | 
|  | #include <boot_param.h> | 
|  | #define NODE_ADDRSPACE_SHIFT 44 | 
|  | #define NODE0_ADDRSPACE_OFFSET 0x000000000000UL | 
|  | #define NODE1_ADDRSPACE_OFFSET 0x100000000000UL | 
|  | #define NODE2_ADDRSPACE_OFFSET 0x200000000000UL | 
|  | #define NODE3_ADDRSPACE_OFFSET 0x300000000000UL | 
|  |  | 
|  | #define pa_to_nid(addr)  (((addr) & 0xf00000000000) >> NODE_ADDRSPACE_SHIFT) | 
|  |  | 
|  | #define LEVELS_PER_SLICE 128 | 
|  |  | 
|  | struct slice_data { | 
|  | unsigned long irq_enable_mask[2]; | 
|  | int level_to_irq[LEVELS_PER_SLICE]; | 
|  | }; | 
|  |  | 
|  | struct hub_data { | 
|  | cpumask_t	h_cpus; | 
|  | unsigned long slice_map; | 
|  | unsigned long irq_alloc_mask[2]; | 
|  | struct slice_data slice[2]; | 
|  | }; | 
|  |  | 
|  | struct node_data { | 
|  | struct pglist_data pglist; | 
|  | struct hub_data hub; | 
|  | cpumask_t cpumask; | 
|  | }; | 
|  |  | 
|  | extern struct node_data *__node_data[]; | 
|  |  | 
|  | #define NODE_DATA(n)		(&__node_data[(n)]->pglist) | 
|  | #define hub_data(n)		(&__node_data[(n)]->hub) | 
|  |  | 
|  | extern void setup_zero_pages(void); | 
|  | extern void __init prom_init_numa_memory(void); | 
|  |  | 
|  | #endif /* _ASM_MACH_MMZONE_H */ |