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/*
* acpi.h - ACPI Interface
*
* Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#ifndef _LINUX_ACPI_H
#define _LINUX_ACPI_H
#ifndef _LINUX
#define _LINUX
#endif
#include <xen/list.h>
#include <acpi/acpi.h>
#include <asm/acpi.h>
#define ACPI_MADT_GET_(fld, x) (((x) & ACPI_MADT_##fld##_MASK) / \
(ACPI_MADT_##fld##_MASK & -ACPI_MADT_##fld##_MASK))
#define ACPI_MADT_GET_POLARITY(inti) ACPI_MADT_GET_(POLARITY, inti)
#define ACPI_MADT_GET_TRIGGER(inti) ACPI_MADT_GET_(TRIGGER, inti)
#ifdef CONFIG_ACPI_BOOT
enum acpi_interrupt_id {
ACPI_INTERRUPT_PMI = 1,
ACPI_INTERRUPT_INIT,
ACPI_INTERRUPT_CPEI,
ACPI_INTERRUPT_COUNT
};
typedef int (*acpi_madt_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
typedef int (*acpi_table_handler) (struct acpi_table_header *table);
typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
unsigned int acpi_get_processor_id (unsigned int cpu);
char * __acpi_map_table (paddr_t phys_addr, unsigned long size);
int acpi_boot_init (void);
int acpi_boot_table_init (void);
int acpi_numa_init (void);
int erst_init(void);
int acpi_table_init (void);
int acpi_table_parse(char *id, acpi_table_handler handler);
int acpi_table_parse_entries(char *id, unsigned long table_size,
int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
int acpi_table_parse_madt(enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries);
int acpi_table_parse_srat(int id, acpi_madt_entry_handler handler,
unsigned int max_entries);
int acpi_parse_srat(struct acpi_table_header *);
void acpi_table_print (struct acpi_table_header *header, unsigned long phys_addr);
void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
void acpi_table_print_srat_entry (struct acpi_subtable_header *srat);
/* the following four functions are architecture-dependent */
void acpi_numa_slit_init (struct acpi_table_slit *slit);
void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
void acpi_numa_arch_fixup(void);
#ifdef CONFIG_ACPI_HOTPLUG_CPU
/* Arch dependent functions for cpu hotplug support */
int acpi_map_lsapic(acpi_handle handle, int *pcpu);
int acpi_unmap_lsapic(int cpu);
#endif /* CONFIG_ACPI_HOTPLUG_CPU */
extern int acpi_mp_config;
extern u32 pci_mmcfg_base_addr;
#else /*!CONFIG_ACPI_BOOT*/
#define acpi_mp_config 0
static inline int acpi_boot_init(void)
{
return 0;
}
static inline int acpi_boot_table_init(void)
{
return 0;
}
#endif /*!CONFIG_ACPI_BOOT*/
int get_cpu_id(u32 acpi_id);
unsigned int acpi_register_gsi (u32 gsi, int edge_level, int active_high_low);
int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
/*
* This function undoes the effect of one call to acpi_register_gsi().
* If this matches the last registration, any IRQ resources for gsi
* are freed.
*/
#ifdef CONFIG_ACPI_DEALLOCATE_IRQ
void acpi_unregister_gsi (u32 gsi);
#endif
#ifdef CONFIG_ACPI_CSTATE
/*
* Set highest legal C-state
* 0: C0 okay, but not C1
* 1: C1 okay, but not C2
* 2: C2 okay, but not C3 etc.
*/
extern unsigned int max_cstate;
static inline unsigned int acpi_get_cstate_limit(void)
{
return max_cstate;
}
static inline void acpi_set_cstate_limit(unsigned int new_limit)
{
max_cstate = new_limit;
return;
}
#else
static inline unsigned int acpi_get_cstate_limit(void) { return 0; }
static inline void acpi_set_cstate_limit(unsigned int new_limit) { return; }
#endif
#ifdef XEN_GUEST_HANDLE_PARAM
int acpi_set_pdc_bits(u32 acpi_id, XEN_GUEST_HANDLE_PARAM(uint32));
#endif
int arch_acpi_set_pdc_bits(u32 acpi_id, u32 *, u32 mask);
#ifdef CONFIG_ACPI_NUMA
int acpi_get_pxm(acpi_handle handle);
#else
static inline int acpi_get_pxm(acpi_handle handle)
{
return 0;
}
#endif
void acpi_reboot(void);
void acpi_dmar_zap(void);
void acpi_dmar_reinstate(void);
#endif /*_LINUX_ACPI_H*/
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