1 /* 2 * Copyright (C) 1999 VA Linux Systems 3 * Copyright (C) 1999 Walt Drummond <drummond@valinux.com> 4 * Copyright (C) 2000,2001 J.I. Lee <jung-ik.lee@intel.com> 5 * Copyright (C) 2001,2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> 6 * 7 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 24 */ 25 26 #ifndef _ASM_ACPI_H 27 #define _ASM_ACPI_H 28 29 #ifdef __KERNEL__ 30 31 #include <acpi/pdc_intel.h> 32 33 #include <linux/init.h> 34 #include <linux/numa.h> 35 #include <asm/numa.h> 36 37 #ifdef CONFIG_ACPI 38 extern int acpi_lapic; 39 #define acpi_disabled 0 /* ACPI always enabled on IA64 */ 40 #define acpi_noirq 0 /* ACPI always enabled on IA64 */ 41 #define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */ 42 #define acpi_strict 1 /* no ACPI spec workarounds on IA64 */ 43 #endif 44 #define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */ 45 static inline void disable_acpi(void) { } 46 47 #ifdef CONFIG_IA64_GENERIC 48 const char *acpi_get_sysname (void); 49 #else 50 static inline const char *acpi_get_sysname (void) 51 { 52 # if defined (CONFIG_IA64_HP_SIM) 53 return "hpsim"; 54 # elif defined (CONFIG_IA64_HP_ZX1) 55 return "hpzx1"; 56 # elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB) 57 return "hpzx1_swiotlb"; 58 # elif defined (CONFIG_IA64_SGI_SN2) 59 return "sn2"; 60 # elif defined (CONFIG_IA64_SGI_UV) 61 return "uv"; 62 # elif defined (CONFIG_IA64_DIG) 63 return "dig"; 64 # elif defined(CONFIG_IA64_DIG_VTD) 65 return "dig_vtd"; 66 # else 67 # error Unknown platform. Fix acpi.c. 68 # endif 69 } 70 #endif 71 int acpi_request_vector (u32 int_type); 72 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 73 74 /* Low-level suspend routine. */ 75 extern int acpi_suspend_lowlevel(void); 76 77 extern unsigned long acpi_wakeup_address; 78 79 /* 80 * Record the cpei override flag and current logical cpu. This is 81 * useful for CPU removal. 82 */ 83 extern unsigned int can_cpei_retarget(void); 84 extern unsigned int is_cpu_cpei_target(unsigned int cpu); 85 extern void set_cpei_target_cpu(unsigned int cpu); 86 extern unsigned int get_cpei_target_cpu(void); 87 extern void prefill_possible_map(void); 88 #ifdef CONFIG_ACPI_HOTPLUG_CPU 89 extern int additional_cpus; 90 #else 91 #define additional_cpus 0 92 #endif 93 94 #ifdef CONFIG_ACPI_NUMA 95 #if MAX_NUMNODES > 256 96 #define MAX_PXM_DOMAINS MAX_NUMNODES 97 #else 98 #define MAX_PXM_DOMAINS (256) 99 #endif 100 extern int pxm_to_nid_map[MAX_PXM_DOMAINS]; 101 extern int __initdata nid_to_pxm_map[MAX_NUMNODES]; 102 #endif 103 104 static inline bool arch_has_acpi_pdc(void) { return true; } 105 static inline void arch_acpi_set_pdc_bits(u32 *buf) 106 { 107 buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP; 108 } 109 110 #define acpi_unlazy_tlb(x) 111 112 #ifdef CONFIG_ACPI_NUMA 113 extern cpumask_t early_cpu_possible_map; 114 #define for_each_possible_early_cpu(cpu) \ 115 for_each_cpu_mask((cpu), early_cpu_possible_map) 116 117 static inline void per_cpu_scan_finalize(int min_cpus, int reserve_cpus) 118 { 119 int low_cpu, high_cpu; 120 int cpu; 121 int next_nid = 0; 122 123 low_cpu = cpus_weight(early_cpu_possible_map); 124 125 high_cpu = max(low_cpu, min_cpus); 126 high_cpu = min(high_cpu + reserve_cpus, NR_CPUS); 127 128 for (cpu = low_cpu; cpu < high_cpu; cpu++) { 129 cpu_set(cpu, early_cpu_possible_map); 130 if (node_cpuid[cpu].nid == NUMA_NO_NODE) { 131 node_cpuid[cpu].nid = next_nid; 132 next_nid++; 133 if (next_nid >= num_online_nodes()) 134 next_nid = 0; 135 } 136 } 137 } 138 #endif /* CONFIG_ACPI_NUMA */ 139 140 #endif /*__KERNEL__*/ 141 142 #endif /*_ASM_ACPI_H*/ 143