mirror of https://gitee.com/openkylin/linux.git
149 lines
4.1 KiB
C
149 lines
4.1 KiB
C
/*
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* Copyright (C) 1999 VA Linux Systems
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* Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
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* Copyright (C) 2000,2001 J.I. Lee <jung-ik.lee@intel.com>
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* Copyright (C) 2001,2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*/
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#ifndef _ASM_ACPI_H
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#define _ASM_ACPI_H
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#ifdef __KERNEL__
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#include <acpi/pdc_intel.h>
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#include <linux/init.h>
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#include <linux/numa.h>
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#include <asm/numa.h>
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#ifdef CONFIG_ACPI
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extern int acpi_lapic;
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#define acpi_disabled 0 /* ACPI always enabled on IA64 */
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#define acpi_noirq 0 /* ACPI always enabled on IA64 */
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#define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */
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#define acpi_strict 1 /* no ACPI spec workarounds on IA64 */
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static inline bool acpi_has_cpu_in_madt(void)
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{
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return !!acpi_lapic;
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}
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#endif
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#define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */
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static inline void disable_acpi(void) { }
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#ifdef CONFIG_IA64_GENERIC
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const char *acpi_get_sysname (void);
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#else
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static inline const char *acpi_get_sysname (void)
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{
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# if defined (CONFIG_IA64_HP_SIM)
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return "hpsim";
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# elif defined (CONFIG_IA64_HP_ZX1)
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return "hpzx1";
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# elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
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return "hpzx1_swiotlb";
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# elif defined (CONFIG_IA64_SGI_SN2)
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return "sn2";
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# elif defined (CONFIG_IA64_SGI_UV)
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return "uv";
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# elif defined (CONFIG_IA64_DIG)
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return "dig";
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# elif defined(CONFIG_IA64_DIG_VTD)
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return "dig_vtd";
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# else
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# error Unknown platform. Fix acpi.c.
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# endif
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}
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#endif
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int acpi_request_vector (u32 int_type);
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int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
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/* Low-level suspend routine. */
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extern int acpi_suspend_lowlevel(void);
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extern unsigned long acpi_wakeup_address;
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/*
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* Record the cpei override flag and current logical cpu. This is
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* useful for CPU removal.
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*/
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extern unsigned int can_cpei_retarget(void);
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extern unsigned int is_cpu_cpei_target(unsigned int cpu);
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extern void set_cpei_target_cpu(unsigned int cpu);
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extern unsigned int get_cpei_target_cpu(void);
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extern void prefill_possible_map(void);
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#ifdef CONFIG_ACPI_HOTPLUG_CPU
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extern int additional_cpus;
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#else
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#define additional_cpus 0
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#endif
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#ifdef CONFIG_ACPI_NUMA
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#if MAX_NUMNODES > 256
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#define MAX_PXM_DOMAINS MAX_NUMNODES
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#else
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#define MAX_PXM_DOMAINS (256)
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#endif
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extern int pxm_to_nid_map[MAX_PXM_DOMAINS];
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extern int __initdata nid_to_pxm_map[MAX_NUMNODES];
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#endif
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static inline bool arch_has_acpi_pdc(void) { return true; }
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static inline void arch_acpi_set_pdc_bits(u32 *buf)
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{
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buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP;
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}
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#ifdef CONFIG_ACPI_NUMA
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extern cpumask_t early_cpu_possible_map;
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#define for_each_possible_early_cpu(cpu) \
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for_each_cpu((cpu), &early_cpu_possible_map)
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static inline void per_cpu_scan_finalize(int min_cpus, int reserve_cpus)
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{
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int low_cpu, high_cpu;
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int cpu;
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int next_nid = 0;
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low_cpu = cpumask_weight(&early_cpu_possible_map);
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high_cpu = max(low_cpu, min_cpus);
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high_cpu = min(high_cpu + reserve_cpus, NR_CPUS);
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for (cpu = low_cpu; cpu < high_cpu; cpu++) {
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cpumask_set_cpu(cpu, &early_cpu_possible_map);
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if (node_cpuid[cpu].nid == NUMA_NO_NODE) {
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node_cpuid[cpu].nid = next_nid;
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next_nid++;
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if (next_nid >= num_online_nodes())
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next_nid = 0;
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}
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}
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}
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extern void acpi_numa_fixup(void);
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#endif /* CONFIG_ACPI_NUMA */
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#endif /*__KERNEL__*/
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#endif /*_ASM_ACPI_H*/
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