/* * Copyright (C) 2010 Loongson Inc. & Lemote Inc. & * Institute 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 nid_to_addrbase(nid) ((nid) << 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 */