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Diffstat (limited to 'arch/ia64/include/asm/acpi.h')
| -rw-r--r-- | arch/ia64/include/asm/acpi.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h new file mode 100644 index 000000000..87927eb82 --- /dev/null +++ b/arch/ia64/include/asm/acpi.h @@ -0,0 +1,110 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 1999 VA Linux Systems + * Copyright (C) 1999 Walt Drummond <drummond@valinux.com> + * Copyright (C) 2000,2001 J.I. Lee <jung-ik.lee@intel.com> + * Copyright (C) 2001,2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> + */ + +#ifndef _ASM_ACPI_H +#define _ASM_ACPI_H + +#ifdef __KERNEL__ + +#include <acpi/pdc_intel.h> + +#include <linux/init.h> +#include <linux/numa.h> +#include <asm/numa.h> + + +extern int acpi_lapic; +#define acpi_disabled 0 /* ACPI always enabled on IA64 */ +#define acpi_noirq 0 /* ACPI always enabled on IA64 */ +#define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */ +#define acpi_strict 1 /* no ACPI spec workarounds on IA64 */ + +static inline bool acpi_has_cpu_in_madt(void) +{ + return !!acpi_lapic; +} + +#define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */ +static inline void disable_acpi(void) { } + +int acpi_request_vector (u32 int_type); +int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); + +/* Low-level suspend routine. */ +extern int acpi_suspend_lowlevel(void); + +static inline unsigned long acpi_get_wakeup_address(void) +{ + return 0; +} + +/* + * Record the cpei override flag and current logical cpu. This is + * useful for CPU removal. + */ +extern unsigned int can_cpei_retarget(void); +extern unsigned int is_cpu_cpei_target(unsigned int cpu); +extern void set_cpei_target_cpu(unsigned int cpu); +extern unsigned int get_cpei_target_cpu(void); +extern void prefill_possible_map(void); +#ifdef CONFIG_ACPI_HOTPLUG_CPU +extern int additional_cpus; +#else +#define additional_cpus 0 +#endif + +#ifdef CONFIG_ACPI_NUMA +#if MAX_NUMNODES > 256 +#define MAX_PXM_DOMAINS MAX_NUMNODES +#else +#define MAX_PXM_DOMAINS (256) +#endif +extern int pxm_to_nid_map[MAX_PXM_DOMAINS]; +extern int __initdata nid_to_pxm_map[MAX_NUMNODES]; +#endif + +static inline bool arch_has_acpi_pdc(void) { return true; } +static inline void arch_acpi_set_pdc_bits(u32 *buf) +{ + buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP; +} + +#ifdef CONFIG_ACPI_NUMA +extern cpumask_t early_cpu_possible_map; +#define for_each_possible_early_cpu(cpu) \ + for_each_cpu((cpu), &early_cpu_possible_map) + +static inline void per_cpu_scan_finalize(int min_cpus, int reserve_cpus) +{ + int low_cpu, high_cpu; + int cpu; + int next_nid = 0; + + low_cpu = cpumask_weight(&early_cpu_possible_map); + + high_cpu = max(low_cpu, min_cpus); + high_cpu = min(high_cpu + reserve_cpus, NR_CPUS); + + for (cpu = low_cpu; cpu < high_cpu; cpu++) { + cpumask_set_cpu(cpu, &early_cpu_possible_map); + if (node_cpuid[cpu].nid == NUMA_NO_NODE) { + node_cpuid[cpu].nid = next_nid; + next_nid++; + if (next_nid >= num_online_nodes()) + next_nid = 0; + } + } +} + +extern void acpi_numa_fixup(void); + +#endif /* CONFIG_ACPI_NUMA */ + +#endif /*__KERNEL__*/ + +#endif /*_ASM_ACPI_H*/ |