Thomas Gleixner | 1a59d1b8 | 2019-05-27 08:55:05 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * Copyright (C) 1999 VA Linux Systems |
| 4 | * Copyright (C) 1999 Walt Drummond <drummond@valinux.com> |
| 5 | * Copyright (C) 2000,2001 J.I. Lee <jung-ik.lee@intel.com> |
| 6 | * Copyright (C) 2001,2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | */ |
| 8 | |
| 9 | #ifndef _ASM_ACPI_H |
| 10 | #define _ASM_ACPI_H |
| 11 | |
| 12 | #ifdef __KERNEL__ |
| 13 | |
Venki Pallipadi | 3572944 | 2007-05-22 15:36:57 -0700 | [diff] [blame] | 14 | #include <acpi/pdc_intel.h> |
| 15 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | #include <linux/init.h> |
| 17 | #include <linux/numa.h> |
holt@sgi.com | 2c6e6db | 2008-04-03 15:17:13 -0500 | [diff] [blame] | 18 | #include <asm/numa.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | |
Christoph Hellwig | 2e0f2b1 | 2019-08-13 09:25:05 +0200 | [diff] [blame] | 20 | |
Baoquan He | 247dba5 | 2014-05-05 12:48:25 +0800 | [diff] [blame] | 21 | extern int acpi_lapic; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #define acpi_disabled 0 /* ACPI always enabled on IA64 */ |
| 23 | #define acpi_noirq 0 /* ACPI always enabled on IA64 */ |
| 24 | #define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */ |
| 25 | #define acpi_strict 1 /* no ACPI spec workarounds on IA64 */ |
Graeme Gregory | b50154d | 2014-07-18 18:02:53 +0800 | [diff] [blame] | 26 | |
| 27 | static inline bool acpi_has_cpu_in_madt(void) |
| 28 | { |
| 29 | return !!acpi_lapic; |
| 30 | } |
Christoph Hellwig | 2e0f2b1 | 2019-08-13 09:25:05 +0200 | [diff] [blame] | 31 | |
Alexey Starikovskiy | c1c3063 | 2007-11-26 20:42:19 +0100 | [diff] [blame] | 32 | #define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | static inline void disable_acpi(void) { } |
| 34 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | int acpi_request_vector (u32 int_type); |
| 36 | int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); |
| 37 | |
Rafael J. Wysocki | f1a2003 | 2011-02-08 23:42:22 +0100 | [diff] [blame] | 38 | /* Low-level suspend routine. */ |
| 39 | extern int acpi_suspend_lowlevel(void); |
Rafael J. Wysocki | c41b93f | 2011-02-08 23:41:35 +0100 | [diff] [blame] | 40 | |
Sean Christopherson | 8c53b31 | 2019-11-26 08:54:16 -0800 | [diff] [blame] | 41 | static inline unsigned long acpi_get_wakeup_address(void) |
| 42 | { |
| 43 | return 0; |
| 44 | } |
Len Brown | e8b2fd0 | 2007-07-24 22:26:33 -0400 | [diff] [blame] | 45 | |
Ashok Raj | 55e59c5 | 2005-03-31 22:51:10 -0500 | [diff] [blame] | 46 | /* |
| 47 | * Record the cpei override flag and current logical cpu. This is |
| 48 | * useful for CPU removal. |
| 49 | */ |
| 50 | extern unsigned int can_cpei_retarget(void); |
| 51 | extern unsigned int is_cpu_cpei_target(unsigned int cpu); |
| 52 | extern void set_cpei_target_cpu(unsigned int cpu); |
| 53 | extern unsigned int get_cpei_target_cpu(void); |
Ashok Raj | a6b14fa | 2006-02-14 15:01:12 -0800 | [diff] [blame] | 54 | extern void prefill_possible_map(void); |
holt@sgi.com | 2c6e6db | 2008-04-03 15:17:13 -0500 | [diff] [blame] | 55 | #ifdef CONFIG_ACPI_HOTPLUG_CPU |
Ashok Raj | a6b14fa | 2006-02-14 15:01:12 -0800 | [diff] [blame] | 56 | extern int additional_cpus; |
holt@sgi.com | 2c6e6db | 2008-04-03 15:17:13 -0500 | [diff] [blame] | 57 | #else |
| 58 | #define additional_cpus 0 |
| 59 | #endif |
Ashok Raj | 55e59c5 | 2005-03-31 22:51:10 -0500 | [diff] [blame] | 60 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | #ifdef CONFIG_ACPI_NUMA |
Jack Steiner | 0d9adec | 2006-04-18 15:00:45 -0500 | [diff] [blame] | 62 | #if MAX_NUMNODES > 256 |
| 63 | #define MAX_PXM_DOMAINS MAX_NUMNODES |
Jack Steiner | 3ad5ef8 | 2006-03-02 16:02:25 -0600 | [diff] [blame] | 64 | #else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | #define MAX_PXM_DOMAINS (256) |
Jack Steiner | 3ad5ef8 | 2006-03-02 16:02:25 -0600 | [diff] [blame] | 66 | #endif |
Greg Kroah-Hartman | 5b5e76e | 2012-12-21 14:05:13 -0800 | [diff] [blame] | 67 | extern int pxm_to_nid_map[MAX_PXM_DOMAINS]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | extern int __initdata nid_to_pxm_map[MAX_NUMNODES]; |
| 69 | #endif |
| 70 | |
Alex Chiang | 1d9cb47 | 2009-12-20 12:19:14 -0700 | [diff] [blame] | 71 | static inline bool arch_has_acpi_pdc(void) { return true; } |
Alex Chiang | 6c5807d | 2009-12-20 12:19:29 -0700 | [diff] [blame] | 72 | static inline void arch_acpi_set_pdc_bits(u32 *buf) |
| 73 | { |
| 74 | buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP; |
| 75 | } |
Alex Chiang | 1d9cb47 | 2009-12-20 12:19:14 -0700 | [diff] [blame] | 76 | |
holt@sgi.com | 2c6e6db | 2008-04-03 15:17:13 -0500 | [diff] [blame] | 77 | #ifdef CONFIG_ACPI_NUMA |
| 78 | extern cpumask_t early_cpu_possible_map; |
| 79 | #define for_each_possible_early_cpu(cpu) \ |
Rusty Russell | 5d2068d | 2015-03-05 10:49:16 +1030 | [diff] [blame] | 80 | for_each_cpu((cpu), &early_cpu_possible_map) |
holt@sgi.com | 2c6e6db | 2008-04-03 15:17:13 -0500 | [diff] [blame] | 81 | |
| 82 | static inline void per_cpu_scan_finalize(int min_cpus, int reserve_cpus) |
| 83 | { |
| 84 | int low_cpu, high_cpu; |
| 85 | int cpu; |
| 86 | int next_nid = 0; |
| 87 | |
Rusty Russell | 5d2068d | 2015-03-05 10:49:16 +1030 | [diff] [blame] | 88 | low_cpu = cpumask_weight(&early_cpu_possible_map); |
holt@sgi.com | 2c6e6db | 2008-04-03 15:17:13 -0500 | [diff] [blame] | 89 | |
| 90 | high_cpu = max(low_cpu, min_cpus); |
| 91 | high_cpu = min(high_cpu + reserve_cpus, NR_CPUS); |
| 92 | |
| 93 | for (cpu = low_cpu; cpu < high_cpu; cpu++) { |
Rusty Russell | 5d2068d | 2015-03-05 10:49:16 +1030 | [diff] [blame] | 94 | cpumask_set_cpu(cpu, &early_cpu_possible_map); |
holt@sgi.com | 2c6e6db | 2008-04-03 15:17:13 -0500 | [diff] [blame] | 95 | if (node_cpuid[cpu].nid == NUMA_NO_NODE) { |
| 96 | node_cpuid[cpu].nid = next_nid; |
| 97 | next_nid++; |
| 98 | if (next_nid >= num_online_nodes()) |
| 99 | next_nid = 0; |
| 100 | } |
| 101 | } |
| 102 | } |
Robert Richter | 312521d | 2016-05-24 15:35:34 -0700 | [diff] [blame] | 103 | |
| 104 | extern void acpi_numa_fixup(void); |
| 105 | |
holt@sgi.com | 2c6e6db | 2008-04-03 15:17:13 -0500 | [diff] [blame] | 106 | #endif /* CONFIG_ACPI_NUMA */ |
| 107 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | #endif /*__KERNEL__*/ |
| 109 | |
| 110 | #endif /*_ASM_ACPI_H*/ |