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 #define nid_to_addrbase(nid) ((nid) << NODE_ADDRSPACE_SHIFT) 25 26 #define LEVELS_PER_SLICE 128 27 28 struct slice_data { 29 unsigned long irq_enable_mask[2]; 30 int level_to_irq[LEVELS_PER_SLICE]; 31 }; 32 33 struct hub_data { 34 cpumask_t h_cpus; 35 unsigned long slice_map; 36 unsigned long irq_alloc_mask[2]; 37 struct slice_data slice[2]; 38 }; 39 40 struct node_data { 41 struct pglist_data pglist; 42 struct hub_data hub; 43 cpumask_t cpumask; 44 }; 45 46 extern struct node_data *__node_data[]; 47 48 #define NODE_DATA(n) (&__node_data[(n)]->pglist) 49 #define hub_data(n) (&__node_data[(n)]->hub) 50 51 extern void setup_zero_pages(void); 52 extern void __init prom_init_numa_memory(void); 53 54 #endif /* _ASM_MACH_MMZONE_H */ 55