1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright (C) 2010 Loongson Inc. & Lemote Inc. & 4 * Institute of Computing Technology 5 * Author: Xiang Gao, gaoxiang@ict.ac.cn 6 * Huacai Chen, chenhc@lemote.com 7 * Xiaofu Meng, Shuangshuang Zhang 8 */ 9 #ifndef _ASM_MACH_MMZONE_H 10 #define _ASM_MACH_MMZONE_H 11 12 #include <boot_param.h> 13 #define NODE_ADDRSPACE_SHIFT 44 14 #define NODE0_ADDRSPACE_OFFSET 0x000000000000UL 15 #define NODE1_ADDRSPACE_OFFSET 0x100000000000UL 16 #define NODE2_ADDRSPACE_OFFSET 0x200000000000UL 17 #define NODE3_ADDRSPACE_OFFSET 0x300000000000UL 18 19 #define pa_to_nid(addr) (((addr) & 0xf00000000000) >> NODE_ADDRSPACE_SHIFT) 20 #define nid_to_addrbase(nid) ((nid) << NODE_ADDRSPACE_SHIFT) 21 22 #define LEVELS_PER_SLICE 128 23 24 struct slice_data { 25 unsigned long irq_enable_mask[2]; 26 int level_to_irq[LEVELS_PER_SLICE]; 27 }; 28 29 struct hub_data { 30 cpumask_t h_cpus; 31 unsigned long slice_map; 32 unsigned long irq_alloc_mask[2]; 33 struct slice_data slice[2]; 34 }; 35 36 struct node_data { 37 struct pglist_data pglist; 38 struct hub_data hub; 39 cpumask_t cpumask; 40 }; 41 42 extern struct node_data *__node_data[]; 43 44 #define NODE_DATA(n) (&__node_data[(n)]->pglist) 45 #define hub_data(n) (&__node_data[(n)]->hub) 46 47 extern void setup_zero_pages(void); 48 extern void __init prom_init_numa_memory(void); 49 50 #endif /* _ASM_MACH_MMZONE_H */ 51