Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Venki Pallipadi | 3572944 | 2007-05-22 15:36:57 -0700 | [diff] [blame] | 31 | #include <acpi/pdc_intel.h> |
| 32 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | #include <linux/init.h> |
| 34 | #include <linux/numa.h> |
holt@sgi.com | 2c6e6db | 2008-04-03 15:17:13 -0500 | [diff] [blame] | 35 | #include <asm/numa.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | |
Len Brown | e56d953 | 2009-09-27 04:17:21 -0400 | [diff] [blame] | 37 | #ifdef CONFIG_ACPI |
Baoquan He | 247dba5 | 2014-05-05 12:48:25 +0800 | [diff] [blame] | 38 | extern int acpi_lapic; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
Graeme Gregory | b50154d | 2014-07-18 18:02:53 +0800 | [diff] [blame] | 43 | |
| 44 | static inline bool acpi_has_cpu_in_madt(void) |
| 45 | { |
| 46 | return !!acpi_lapic; |
| 47 | } |
Len Brown | e56d953 | 2009-09-27 04:17:21 -0400 | [diff] [blame] | 48 | #endif |
Alexey Starikovskiy | c1c3063 | 2007-11-26 20:42:19 +0100 | [diff] [blame] | 49 | #define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | static inline void disable_acpi(void) { } |
| 51 | |
Alex Chiang | d868080 | 2010-02-25 14:09:52 -0700 | [diff] [blame] | 52 | #ifdef CONFIG_IA64_GENERIC |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | const char *acpi_get_sysname (void); |
Alex Chiang | d868080 | 2010-02-25 14:09:52 -0700 | [diff] [blame] | 54 | #else |
| 55 | static inline const char *acpi_get_sysname (void) |
| 56 | { |
| 57 | # if defined (CONFIG_IA64_HP_SIM) |
| 58 | return "hpsim"; |
| 59 | # elif defined (CONFIG_IA64_HP_ZX1) |
| 60 | return "hpzx1"; |
| 61 | # elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB) |
| 62 | return "hpzx1_swiotlb"; |
| 63 | # elif defined (CONFIG_IA64_SGI_SN2) |
| 64 | return "sn2"; |
| 65 | # elif defined (CONFIG_IA64_SGI_UV) |
| 66 | return "uv"; |
| 67 | # elif defined (CONFIG_IA64_DIG) |
| 68 | return "dig"; |
Alex Chiang | d868080 | 2010-02-25 14:09:52 -0700 | [diff] [blame] | 69 | # elif defined(CONFIG_IA64_DIG_VTD) |
| 70 | return "dig_vtd"; |
| 71 | # else |
| 72 | # error Unknown platform. Fix acpi.c. |
| 73 | # endif |
| 74 | } |
| 75 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | int acpi_request_vector (u32 int_type); |
| 77 | int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); |
| 78 | |
Rafael J. Wysocki | f1a2003 | 2011-02-08 23:42:22 +0100 | [diff] [blame] | 79 | /* Low-level suspend routine. */ |
| 80 | extern int acpi_suspend_lowlevel(void); |
Rafael J. Wysocki | c41b93f | 2011-02-08 23:41:35 +0100 | [diff] [blame] | 81 | |
Len Brown | e8b2fd0 | 2007-07-24 22:26:33 -0400 | [diff] [blame] | 82 | extern unsigned long acpi_wakeup_address; |
| 83 | |
Ashok Raj | 55e59c5 | 2005-03-31 22:51:10 -0500 | [diff] [blame] | 84 | /* |
| 85 | * Record the cpei override flag and current logical cpu. This is |
| 86 | * useful for CPU removal. |
| 87 | */ |
| 88 | extern unsigned int can_cpei_retarget(void); |
| 89 | extern unsigned int is_cpu_cpei_target(unsigned int cpu); |
| 90 | extern void set_cpei_target_cpu(unsigned int cpu); |
| 91 | extern unsigned int get_cpei_target_cpu(void); |
Ashok Raj | a6b14fa | 2006-02-14 15:01:12 -0800 | [diff] [blame] | 92 | extern void prefill_possible_map(void); |
holt@sgi.com | 2c6e6db | 2008-04-03 15:17:13 -0500 | [diff] [blame] | 93 | #ifdef CONFIG_ACPI_HOTPLUG_CPU |
Ashok Raj | a6b14fa | 2006-02-14 15:01:12 -0800 | [diff] [blame] | 94 | extern int additional_cpus; |
holt@sgi.com | 2c6e6db | 2008-04-03 15:17:13 -0500 | [diff] [blame] | 95 | #else |
| 96 | #define additional_cpus 0 |
| 97 | #endif |
Ashok Raj | 55e59c5 | 2005-03-31 22:51:10 -0500 | [diff] [blame] | 98 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | #ifdef CONFIG_ACPI_NUMA |
Jack Steiner | 0d9adec | 2006-04-18 15:00:45 -0500 | [diff] [blame] | 100 | #if MAX_NUMNODES > 256 |
| 101 | #define MAX_PXM_DOMAINS MAX_NUMNODES |
Jack Steiner | 3ad5ef8 | 2006-03-02 16:02:25 -0600 | [diff] [blame] | 102 | #else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | #define MAX_PXM_DOMAINS (256) |
Jack Steiner | 3ad5ef8 | 2006-03-02 16:02:25 -0600 | [diff] [blame] | 104 | #endif |
Greg Kroah-Hartman | 5b5e76e | 2012-12-21 14:05:13 -0800 | [diff] [blame] | 105 | extern int pxm_to_nid_map[MAX_PXM_DOMAINS]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | extern int __initdata nid_to_pxm_map[MAX_NUMNODES]; |
| 107 | #endif |
| 108 | |
Alex Chiang | 1d9cb47 | 2009-12-20 12:19:14 -0700 | [diff] [blame] | 109 | static inline bool arch_has_acpi_pdc(void) { return true; } |
Alex Chiang | 6c5807d | 2009-12-20 12:19:29 -0700 | [diff] [blame] | 110 | static inline void arch_acpi_set_pdc_bits(u32 *buf) |
| 111 | { |
| 112 | buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP; |
| 113 | } |
Alex Chiang | 1d9cb47 | 2009-12-20 12:19:14 -0700 | [diff] [blame] | 114 | |
Venki Pallipadi | bde6f5f | 2008-01-30 13:32:01 +0100 | [diff] [blame] | 115 | #define acpi_unlazy_tlb(x) |
| 116 | |
holt@sgi.com | 2c6e6db | 2008-04-03 15:17:13 -0500 | [diff] [blame] | 117 | #ifdef CONFIG_ACPI_NUMA |
| 118 | extern cpumask_t early_cpu_possible_map; |
| 119 | #define for_each_possible_early_cpu(cpu) \ |
Rusty Russell | 5d2068d | 2015-03-05 10:49:16 +1030 | [diff] [blame] | 120 | for_each_cpu((cpu), &early_cpu_possible_map) |
holt@sgi.com | 2c6e6db | 2008-04-03 15:17:13 -0500 | [diff] [blame] | 121 | |
| 122 | static inline void per_cpu_scan_finalize(int min_cpus, int reserve_cpus) |
| 123 | { |
| 124 | int low_cpu, high_cpu; |
| 125 | int cpu; |
| 126 | int next_nid = 0; |
| 127 | |
Rusty Russell | 5d2068d | 2015-03-05 10:49:16 +1030 | [diff] [blame] | 128 | low_cpu = cpumask_weight(&early_cpu_possible_map); |
holt@sgi.com | 2c6e6db | 2008-04-03 15:17:13 -0500 | [diff] [blame] | 129 | |
| 130 | high_cpu = max(low_cpu, min_cpus); |
| 131 | high_cpu = min(high_cpu + reserve_cpus, NR_CPUS); |
| 132 | |
| 133 | for (cpu = low_cpu; cpu < high_cpu; cpu++) { |
Rusty Russell | 5d2068d | 2015-03-05 10:49:16 +1030 | [diff] [blame] | 134 | cpumask_set_cpu(cpu, &early_cpu_possible_map); |
holt@sgi.com | 2c6e6db | 2008-04-03 15:17:13 -0500 | [diff] [blame] | 135 | if (node_cpuid[cpu].nid == NUMA_NO_NODE) { |
| 136 | node_cpuid[cpu].nid = next_nid; |
| 137 | next_nid++; |
| 138 | if (next_nid >= num_online_nodes()) |
| 139 | next_nid = 0; |
| 140 | } |
| 141 | } |
| 142 | } |
| 143 | #endif /* CONFIG_ACPI_NUMA */ |
| 144 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | #endif /*__KERNEL__*/ |
| 146 | |
| 147 | #endif /*_ASM_ACPI_H*/ |