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110 lines
2.7 KiB
110 lines
2.7 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* Copyright (C) 1999 VA Linux Systems |
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* Copyright (C) 1999 Walt Drummond <[email protected]> |
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* Copyright (C) 2000,2001 J.I. Lee <[email protected]> |
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* Copyright (C) 2001,2002 Paul Diefenbaugh <[email protected]> |
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*/ |
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#ifndef _ASM_ACPI_H |
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#define _ASM_ACPI_H |
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#ifdef __KERNEL__ |
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#include <acpi/pdc_intel.h> |
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#include <linux/init.h> |
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#include <linux/numa.h> |
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#include <asm/numa.h> |
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extern int acpi_lapic; |
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#define acpi_disabled 0 /* ACPI always enabled on IA64 */ |
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#define acpi_noirq 0 /* ACPI always enabled on IA64 */ |
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#define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */ |
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#define acpi_strict 1 /* no ACPI spec workarounds on IA64 */ |
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static inline bool acpi_has_cpu_in_madt(void) |
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{ |
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return !!acpi_lapic; |
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} |
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#define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */ |
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static inline void disable_acpi(void) { } |
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int acpi_request_vector (u32 int_type); |
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int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); |
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/* Low-level suspend routine. */ |
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extern int acpi_suspend_lowlevel(void); |
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static inline unsigned long acpi_get_wakeup_address(void) |
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{ |
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return 0; |
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} |
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/* |
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* Record the cpei override flag and current logical cpu. This is |
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* useful for CPU removal. |
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*/ |
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extern unsigned int can_cpei_retarget(void); |
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extern unsigned int is_cpu_cpei_target(unsigned int cpu); |
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extern void set_cpei_target_cpu(unsigned int cpu); |
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extern unsigned int get_cpei_target_cpu(void); |
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extern void prefill_possible_map(void); |
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#ifdef CONFIG_ACPI_HOTPLUG_CPU |
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extern int additional_cpus; |
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#else |
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#define additional_cpus 0 |
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#endif |
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#ifdef CONFIG_ACPI_NUMA |
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#if MAX_NUMNODES > 256 |
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#define MAX_PXM_DOMAINS MAX_NUMNODES |
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#else |
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#define MAX_PXM_DOMAINS (256) |
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#endif |
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extern int pxm_to_nid_map[MAX_PXM_DOMAINS]; |
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extern int __initdata nid_to_pxm_map[MAX_NUMNODES]; |
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#endif |
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static inline bool arch_has_acpi_pdc(void) { return true; } |
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static inline void arch_acpi_set_pdc_bits(u32 *buf) |
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{ |
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buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP; |
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} |
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#ifdef CONFIG_ACPI_NUMA |
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extern cpumask_t early_cpu_possible_map; |
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#define for_each_possible_early_cpu(cpu) \ |
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for_each_cpu((cpu), &early_cpu_possible_map) |
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static inline void per_cpu_scan_finalize(int min_cpus, int reserve_cpus) |
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{ |
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int low_cpu, high_cpu; |
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int cpu; |
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int next_nid = 0; |
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low_cpu = cpumask_weight(&early_cpu_possible_map); |
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high_cpu = max(low_cpu, min_cpus); |
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high_cpu = min(high_cpu + reserve_cpus, NR_CPUS); |
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for (cpu = low_cpu; cpu < high_cpu; cpu++) { |
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cpumask_set_cpu(cpu, &early_cpu_possible_map); |
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if (node_cpuid[cpu].nid == NUMA_NO_NODE) { |
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node_cpuid[cpu].nid = next_nid; |
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next_nid++; |
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if (next_nid >= num_online_nodes()) |
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next_nid = 0; |
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} |
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} |
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} |
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extern void acpi_numa_fixup(void); |
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#endif /* CONFIG_ACPI_NUMA */ |
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#endif /*__KERNEL__*/ |
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#endif /*_ASM_ACPI_H*/
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