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/*
* asm-x86_64/acpi.h
*
* Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
* Copyright (C) 2001 Patrick Mochel <mochel@osdl.org>
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* 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 _ASM_ACPI_H
#define _ASM_ACPI_H
#ifdef __KERNEL__
#include <acpi/pdc_intel.h>
#include <asm/numa.h>
#define COMPILER_DEPENDENT_INT64 long long
#define COMPILER_DEPENDENT_UINT64 unsigned long long
/*
* Calling conventions:
*
* ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads)
* ACPI_EXTERNAL_XFACE - External ACPI interfaces
* ACPI_INTERNAL_XFACE - Internal ACPI interfaces
* ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces
*/
#define ACPI_SYSTEM_XFACE
#define ACPI_EXTERNAL_XFACE
#define ACPI_INTERNAL_XFACE
#define ACPI_INTERNAL_VAR_XFACE
/* Asm macros */
#define ACPI_ASM_MACROS
#define BREAKPOINT3
#define ACPI_DISABLE_IRQS() local_irq_disable()
#define ACPI_ENABLE_IRQS() local_irq_enable()
#define ACPI_FLUSH_CPU_CACHE() wbinvd()
int __acpi_acquire_global_lock(unsigned int *lock);
int __acpi_release_global_lock(unsigned int *lock);
#define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq) \
((Acq) = __acpi_acquire_global_lock(&facs->global_lock))
#define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \
((Acq) = __acpi_release_global_lock(&facs->global_lock))
/*
* Math helper asm macros
*/
#define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \
asm("divl %2;" \
:"=a"(q32), "=d"(r32) \
:"r"(d32), \
"0"(n_lo), "1"(n_hi))
#define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \
asm("shrl $1,%2;" \
"rcrl $1,%3;" \
:"=r"(n_hi), "=r"(n_lo) \
:"0"(n_hi), "1"(n_lo))
#ifdef CONFIG_ACPI
extern int acpi_lapic;
extern int acpi_ioapic;
extern int acpi_noirq;
extern int acpi_strict;
extern int acpi_disabled;
extern int acpi_pci_disabled;
extern int acpi_ht;
static inline void disable_acpi(void)
{
acpi_disabled = 1;
acpi_ht = 0;
acpi_pci_disabled = 1;
acpi_noirq = 1;
}
/* Fixmap pages to reserve for ACPI boot-time tables (see fixmap.h) */
#define FIX_ACPI_PAGES 4
extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq);
static inline void acpi_noirq_set(void) { acpi_noirq = 1; }
static inline void acpi_disable_pci(void)
{
acpi_pci_disabled = 1;
acpi_noirq_set();
}
extern int acpi_irq_balance_set(char *str);
/* routines for saving/restoring kernel state */
extern int acpi_save_state_mem(void);
extern void acpi_restore_state_mem(void);
extern unsigned long acpi_wakeup_address;
/* early initialization routine */
extern void acpi_reserve_bootmem(void);
#else /* !CONFIG_ACPI */
#define acpi_lapic 0
#define acpi_ioapic 0
static inline void acpi_noirq_set(void) { }
static inline void acpi_disable_pci(void) { }
#endif /* !CONFIG_ACPI */
extern int acpi_numa;
extern int acpi_scan_nodes(unsigned long start, unsigned long end);
#define NR_NODE_MEMBLKS (MAX_NUMNODES*2)
extern int acpi_disabled;
extern int acpi_pci_disabled;
#define ARCH_HAS_POWER_INIT 1
extern int acpi_skip_timer_override;
extern int acpi_use_timer_override;
#ifdef CONFIG_ACPI_NUMA
extern void __init acpi_fake_nodes(const struct bootnode *fake_nodes,
int num_nodes);
#else
static inline void acpi_fake_nodes(const struct bootnode *fake_nodes,
int num_nodes)
{
}
#endif
#endif /*__KERNEL__*/
#endif /*_ASM_ACPI_H*/
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