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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/ia64/include/asm/acpi.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/ia64/include/asm/acpi.h')
-rw-r--r--arch/ia64/include/asm/acpi.h110
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*/