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- /*
- * asm-ia64/acpi.h
- *
- * 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>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- * 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 <linux/init.h>
- #include <linux/numa.h>
- #include <asm/system.h>
-
- #define COMPILER_DEPENDENT_INT64 long
- #define COMPILER_DEPENDENT_UINT64 unsigned 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()
-
- static inline int
- ia64_acpi_acquire_global_lock (unsigned int *lock)
- {
- unsigned int old, new, val;
- do {
- old = *lock;
- new = (((old & ~0x3) + 2) + ((old >> 1) & 0x1));
- val = ia64_cmpxchg4_acq(lock, new, old);
- } while (unlikely (val != old));
- return (new < 3) ? -1 : 0;
- }
-
- static inline int
- ia64_acpi_release_global_lock (unsigned int *lock)
- {
- unsigned int old, new, val;
- do {
- old = *lock;
- new = old & ~0x3;
- val = ia64_cmpxchg4_acq(lock, new, old);
- } while (unlikely (val != old));
- return old & 0x1;
- }
-
- #define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \
- ((Acq) = ia64_acpi_acquire_global_lock((unsigned int *) GLptr))
-
- #define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
- ((Acq) = ia64_acpi_release_global_lock((unsigned int *) GLptr))
-
- #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 void disable_acpi(void) { }
-
- const char *acpi_get_sysname (void);
- int acpi_request_vector (u32 int_type);
- int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
-
- /*
- * 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);
- extern int additional_cpus;
-
- #ifdef CONFIG_ACPI_NUMA
- #if MAX_NUMNODES > 256
- #define MAX_PXM_DOMAINS MAX_NUMNODES
- #else
- #define MAX_PXM_DOMAINS (256)
- #endif
- extern int __devinitdata pxm_to_nid_map[MAX_PXM_DOMAINS];
- extern int __initdata nid_to_pxm_map[MAX_NUMNODES];
- #endif
-
- extern u16 ia64_acpiid_to_sapicid[];
-
- /*
- * Refer Intel ACPI _PDC support document for bit definitions
- */
- #define ACPI_PDC_EST_CAPABILITY_SMP 0x8
-
- #endif /*__KERNEL__*/
-
- #endif /*_ASM_ACPI_H*/
-