1 /* 2 * Copyright (C) 2010 Loongson Inc. & Lemote Inc. & 3 * Institute of Computing Technology 4 * Author: Xiang Gao, gaoxiang@ict.ac.cn 5 * Huacai Chen, chenhc@lemote.com 6 * Xiaofu Meng, Shuangshuang Zhang 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the 10 * Free Software Foundation; either version 2 of the License, or (at your 11 * option) any later version. 12 */ 13 #ifndef _ASM_MACH_MMZONE_H 14 #define _ASM_MACH_MMZONE_H 15 16 #include <boot_param.h> 17 #define NODE_ADDRSPACE_SHIFT 44 18 #define NODE0_ADDRSPACE_OFFSET 0x000000000000UL 19 #define NODE1_ADDRSPACE_OFFSET 0x100000000000UL 20 #define NODE2_ADDRSPACE_OFFSET 0x200000000000UL 21 #define NODE3_ADDRSPACE_OFFSET 0x300000000000UL 22 23 #define pa_to_nid(addr) (((addr) & 0xf00000000000) >> NODE_ADDRSPACE_SHIFT) 24 25 #define LEVELS_PER_SLICE 128 26 27 struct slice_data { 28 unsigned long irq_enable_mask[2]; 29 int level_to_irq[LEVELS_PER_SLICE]; 30 }; 31 32 struct hub_data { 33 cpumask_t h_cpus; 34 unsigned long slice_map; 35 unsigned long irq_alloc_mask[2]; 36 struct slice_data slice[2]; 37 }; 38 39 struct node_data { 40 struct pglist_data pglist; 41 struct hub_data hub; 42 cpumask_t cpumask; 43 }; 44 45 extern struct node_data *__node_data[]; 46 47 #define NODE_DATA(n) (&__node_data[(n)]->pglist) 48 #define hub_data(n) (&__node_data[(n)]->hub) 49 50 extern void setup_zero_pages(void); 51 extern void __init prom_init_numa_memory(void); 52 53 #endif /* _ASM_MACH_MMZONE_H */ 54