[linux-2.6-block.git] / arch / ia64 / include / asm / acpi.h

/* 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) { }

#ifdef CONFIG_IA64_GENERIC
const char *acpi_get_sysname (void);
#else
static inline const char *acpi_get_sysname (void)
{
# if defined (CONFIG_IA64_HP_ZX1)
	return "hpzx1";
# elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
	return "hpzx1_swiotlb";
# elif defined (CONFIG_IA64_SGI_UV)
	return "uv";
# elif defined (CONFIG_IA64_DIG)
	return "dig";
# elif defined(CONFIG_IA64_DIG_VTD)
	return "dig_vtd";
# else
#	error Unknown platform.  Fix acpi.c.
# endif
}
#endif
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);

extern unsigned long acpi_wakeup_address;

/*
 * 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;
}

#define acpi_unlazy_tlb(x)

#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*/
Commit	Line	Data
1a59d1b8	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
1da177e4	2	/*
1da177e4 LT	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>
1da177e4 LT	7	*/
	8
	9	#ifndef _ASM_ACPI_H
	10	#define _ASM_ACPI_H
	11
	12	#ifdef __KERNEL__
	13
35729449 VP	14	#include <acpi/pdc_intel.h>
35729449 VP	15
1da177e4 LT	16	#include <linux/init.h>
1da177e4 LT	17	#include <linux/numa.h>
2c6e6db4	18	#include <asm/numa.h>
1da177e4	19
2e0f2b16	20
247dba58	21	extern int acpi_lapic;
1da177e4 LT	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 */
b50154d5 GG	26
	27	static inline bool acpi_has_cpu_in_madt(void)
	28	{
	29	return !!acpi_lapic;
	30	}
2e0f2b16	31
c1c30634	32	#define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */
1da177e4 LT	33	static inline void disable_acpi(void) { }
1da177e4 LT	34
d868080d	35	#ifdef CONFIG_IA64_GENERIC
1da177e4	36	const char *acpi_get_sysname (void);
d868080d AC	37	#else
	38	static inline const char *acpi_get_sysname (void)
	39	{
fc5bad03	40	# if defined (CONFIG_IA64_HP_ZX1)
d868080d AC	41	return "hpzx1";
	42	# elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
	43	return "hpzx1_swiotlb";
d868080d AC	44	# elif defined (CONFIG_IA64_SGI_UV)
	45	return "uv";
	46	# elif defined (CONFIG_IA64_DIG)
	47	return "dig";
d868080d AC	48	# elif defined(CONFIG_IA64_DIG_VTD)
	49	return "dig_vtd";
	50	# else
	51	# error Unknown platform. Fix acpi.c.
	52	# endif
	53	}
	54	#endif
1da177e4 LT	55	int acpi_request_vector (u32 int_type);
	56	int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
	57
f1a2003e RW	58	/* Low-level suspend routine. */
f1a2003e RW	59	extern int acpi_suspend_lowlevel(void);
c41b93fb	60
e8b2fd01 LB	61	extern unsigned long acpi_wakeup_address;
e8b2fd01 LB	62
55e59c51 AR	63	/*
	64	* Record the cpei override flag and current logical cpu. This is
	65	* useful for CPU removal.
	66	*/
	67	extern unsigned int can_cpei_retarget(void);
	68	extern unsigned int is_cpu_cpei_target(unsigned int cpu);
	69	extern void set_cpei_target_cpu(unsigned int cpu);
	70	extern unsigned int get_cpei_target_cpu(void);
a6b14fa6	71	extern void prefill_possible_map(void);
2c6e6db4	72	#ifdef CONFIG_ACPI_HOTPLUG_CPU
a6b14fa6	73	extern int additional_cpus;
2c6e6db4	74	#else
	75	#define additional_cpus 0
	76	#endif
55e59c51	77
1da177e4	78	#ifdef CONFIG_ACPI_NUMA
0d9adec5 JS	79	#if MAX_NUMNODES > 256
0d9adec5 JS	80	#define MAX_PXM_DOMAINS MAX_NUMNODES
3ad5ef8b	81	#else
1da177e4	82	#define MAX_PXM_DOMAINS (256)
3ad5ef8b	83	#endif
5b5e76e9	84	extern int pxm_to_nid_map[MAX_PXM_DOMAINS];
1da177e4 LT	85	extern int __initdata nid_to_pxm_map[MAX_NUMNODES];
	86	#endif
	87
1d9cb470	88	static inline bool arch_has_acpi_pdc(void) { return true; }
6c5807d7 AC	89	static inline void arch_acpi_set_pdc_bits(u32 *buf)
	90	{
	91	buf[2] \|= ACPI_PDC_EST_CAPABILITY_SMP;
	92	}
1d9cb470	93
67535736 AL	94	#define acpi_unlazy_tlb(x)
67535736 AL	95
2c6e6db4	96	#ifdef CONFIG_ACPI_NUMA
	97	extern cpumask_t early_cpu_possible_map;
	98	#define for_each_possible_early_cpu(cpu) \
5d2068da	99	for_each_cpu((cpu), &early_cpu_possible_map)
2c6e6db4	100
	101	static inline void per_cpu_scan_finalize(int min_cpus, int reserve_cpus)
	102	{
	103	int low_cpu, high_cpu;
	104	int cpu;
	105	int next_nid = 0;
	106
5d2068da	107	low_cpu = cpumask_weight(&early_cpu_possible_map);
2c6e6db4	108
	109	high_cpu = max(low_cpu, min_cpus);
	110	high_cpu = min(high_cpu + reserve_cpus, NR_CPUS);
	111
	112	for (cpu = low_cpu; cpu < high_cpu; cpu++) {
5d2068da	113	cpumask_set_cpu(cpu, &early_cpu_possible_map);
2c6e6db4	114	if (node_cpuid[cpu].nid == NUMA_NO_NODE) {
	115	node_cpuid[cpu].nid = next_nid;
	116	next_nid++;
	117	if (next_nid >= num_online_nodes())
	118	next_nid = 0;
	119	}
	120	}
	121	}
312521d0 RR	122
	123	extern void acpi_numa_fixup(void);
	124
2c6e6db4	125	#endif /* CONFIG_ACPI_NUMA */
2c6e6db4	126
1da177e4 LT	127	#endif /__KERNEL__/
	128
	129	#endif /_ASM_ACPI_H/