Release 4.14 arch/x86/include/asm/acpi.h
#ifndef _ASM_X86_ACPI_H
#define _ASM_X86_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
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <acpi/pdc_intel.h>
#include <asm/numa.h>
#include <asm/fixmap.h>
#include <asm/processor.h>
#include <asm/mmu.h>
#include <asm/mpspec.h>
#include <asm/realmode.h>
#ifdef CONFIG_ACPI_APEI
# include <asm/pgtable_types.h>
#endif
#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_skip_timer_override;
extern int acpi_use_timer_override;
extern int acpi_fix_pin2_polarity;
extern int acpi_disable_cmcff;
extern u8 acpi_sci_flags;
extern int acpi_sci_override_gsi;
void acpi_pic_sci_set_trigger(unsigned int, u16);
struct device;
extern int (*__acpi_register_gsi)(struct device *dev, u32 gsi,
int trigger, int polarity);
extern void (*__acpi_unregister_gsi)(u32 gsi);
static inline void disable_acpi(void)
{
acpi_disabled = 1;
acpi_pci_disabled = 1;
acpi_noirq = 1;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Thomas Gleixner | 21 | 100.00% | 1 | 100.00% |
| Total | 21 | 100.00% | 1 | 100.00% |
extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq);
static inline void acpi_noirq_set(void) { acpi_noirq = 1; }
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| Thomas Gleixner | 13 | 100.00% | 1 | 100.00% |
| Total | 13 | 100.00% | 1 | 100.00% |
static inline void acpi_disable_pci(void)
{
acpi_pci_disabled = 1;
acpi_noirq_set();
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Thomas Gleixner | 16 | 100.00% | 1 | 100.00% |
| Total | 16 | 100.00% | 1 | 100.00% |
/* Low-level suspend routine. */
extern int (*acpi_suspend_lowlevel)(void);
/* Physical address to resume after wakeup */
#define acpi_wakeup_address ((unsigned long)(real_mode_header->wakeup_start))
/*
* Check if the CPU can handle C2 and deeper
*/
static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate)
{
/*
* Early models (<=5) of AMD Opterons are not supposed to go into
* C2 state.
*
* Steppings 0x0A and later are good
*/
if (boot_cpu_data.x86 == 0x0F &&
boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
boot_cpu_data.x86_model <= 0x05 &&
boot_cpu_data.x86_mask < 0x0A)
return 1;
else if (boot_cpu_has(X86_BUG_AMD_APIC_C1E))
return 1;
else
return max_cstate;
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Alexey Y. Starikovskiy | 46 | 80.70% | 1 | 33.33% |
| Thomas Gleixner | 7 | 12.28% | 1 | 33.33% |
| Borislav Petkov | 4 | 7.02% | 1 | 33.33% |
| Total | 57 | 100.00% | 3 | 100.00% |
static inline bool arch_has_acpi_pdc(void)
{
struct cpuinfo_x86 *c = &cpu_data(0);
return (c->x86_vendor == X86_VENDOR_INTEL ||
c->x86_vendor == X86_VENDOR_CENTAUR);
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Alexander Chiang | 35 | 100.00% | 1 | 100.00% |
| Total | 35 | 100.00% | 1 | 100.00% |
static inline void arch_acpi_set_pdc_bits(u32 *buf)
{
struct cpuinfo_x86 *c = &cpu_data(0);
buf[2] |= ACPI_PDC_C_CAPABILITY_SMP;
if (cpu_has(c, X86_FEATURE_EST))
buf[2] |= ACPI_PDC_EST_CAPABILITY_SWSMP;
if (cpu_has(c, X86_FEATURE_ACPI))
buf[2] |= ACPI_PDC_T_FFH;
/*
* If mwait/monitor is unsupported, C2/C3_FFH will be disabled
*/
if (!cpu_has(c, X86_FEATURE_MWAIT))
buf[2] &= ~(ACPI_PDC_C_C2C3_FFH);
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Alexander Chiang | 82 | 100.00% | 1 | 100.00% |
| Total | 82 | 100.00% | 1 | 100.00% |
static inline bool acpi_has_cpu_in_madt(void)
{
return !!acpi_lapic;
}
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| Graeme Gregory | 14 | 100.00% | 1 | 100.00% |
| Total | 14 | 100.00% | 1 | 100.00% |
#else /* !CONFIG_ACPI */
#define acpi_lapic 0
#define acpi_ioapic 0
#define acpi_disable_cmcff 0
static inline void acpi_noirq_set(void) { }
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| Person | Tokens | Prop | Commits | CommitProp |
| Thomas Gleixner | 8 | 100.00% | 1 | 100.00% |
| Total | 8 | 100.00% | 1 | 100.00% |
static inline void acpi_disable_pci(void) { }
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| Person | Tokens | Prop | Commits | CommitProp |
| Thomas Gleixner | 8 | 100.00% | 1 | 100.00% |
| Total | 8 | 100.00% | 1 | 100.00% |
static inline void disable_acpi(void) { }
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Thomas Gleixner | 8 | 100.00% | 1 | 100.00% |
| Total | 8 | 100.00% | 1 | 100.00% |
#endif /* !CONFIG_ACPI */
#define ARCH_HAS_POWER_INIT 1
#ifdef CONFIG_ACPI_NUMA
extern int x86_acpi_numa_init(void);
#endif /* CONFIG_ACPI_NUMA */
#define acpi_unlazy_tlb(x) leave_mm(x)
#ifdef CONFIG_ACPI_APEI
static inline pgprot_t arch_apei_get_mem_attribute(phys_addr_t addr)
{
/*
* We currently have no way to look up the EFI memory map
* attributes for a region in a consistent way, because the
* memmap is discarded after efi_free_boot_services(). So if
* you call efi_mem_attributes() during boot and at runtime,
* you could theoretically see different attributes.
*
* We are yet to see any x86 platforms that require anything
* other than PAGE_KERNEL (some ARM64 platforms require the
* equivalent of PAGE_KERNEL_NOCACHE). Additionally, if SME
* is active, the ACPI information will not be encrypted,
* so return PAGE_KERNEL_NOENC until we know differently.
*/
return PAGE_KERNEL_NOENC;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jonathan (Zhixiong) Zhang | 12 | 85.71% | 1 | 50.00% |
| Tom Lendacky | 2 | 14.29% | 1 | 50.00% |
| Total | 14 | 100.00% | 2 | 100.00% |
#endif
#define ACPI_TABLE_UPGRADE_MAX_PHYS (max_low_pfn_mapped << PAGE_SHIFT)
#endif /* _ASM_X86_ACPI_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Thomas Gleixner | 168 | 34.15% | 3 | 10.71% |
| Alexander Chiang | 117 | 23.78% | 2 | 7.14% |
| Alexey Y. Starikovskiy | 56 | 11.38% | 1 | 3.57% |
| Jonathan (Zhixiong) Zhang | 25 | 5.08% | 1 | 3.57% |
| Jeremy Fitzhardinge | 22 | 4.47% | 1 | 3.57% |
| Harvey Harrison | 17 | 3.46% | 1 | 3.57% |
| Graeme Gregory | 14 | 2.85% | 1 | 3.57% |
| Jiang Liu | 11 | 2.24% | 1 | 3.57% |
| H. Peter Anvin | 11 | 2.24% | 2 | 7.14% |
| Naveen N. Rao | 8 | 1.63% | 1 | 3.57% |
| Andrew Lutomirski | 7 | 1.42% | 1 | 3.57% |
| Ingo Molnar | 6 | 1.22% | 2 | 7.14% |
| Aleksey Makarov | 4 | 0.81% | 1 | 3.57% |
| David Rientjes | 4 | 0.81% | 2 | 7.14% |
| Borislav Petkov | 4 | 0.81% | 1 | 3.57% |
| Andreas Herrmann | 4 | 0.81% | 1 | 3.57% |
| Venkatesh Pallipadi | 3 | 0.61% | 1 | 3.57% |
| Konrad Rzeszutek Wilk | 3 | 0.61% | 1 | 3.57% |
| Yinghai Lu | 3 | 0.61% | 1 | 3.57% |
| Tom Lendacky | 2 | 0.41% | 1 | 3.57% |
| Rafael J. Wysocki | 2 | 0.41% | 1 | 3.57% |
| Tejun Heo | 1 | 0.20% | 1 | 3.57% |
| Total | 492 | 100.00% | 28 | 100.00% |
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