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 24struct slice_data { 25 unsigned long irq_enable_mask[2]; 26 int level_to_irq[LEVELS_PER_SLICE]; 27}; 28 29struct 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 36struct node_data { 37 struct pglist_data pglist; 38 struct hub_data hub; 39 cpumask_t cpumask; 40}; 41 42extern 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 47extern void setup_zero_pages(void); 48extern void __init prom_init_numa_memory(void); 49 50#endif /* _ASM_MACH_MMZONE_H */ 51