mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
195 lines
4.7 KiB
195 lines
4.7 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
|
#ifndef _ASM_X86_ACPI_H |
|
#define _ASM_X86_ACPI_H |
|
|
|
/* |
|
* Copyright (C) 2001 Paul Diefenbaugh <[email protected]> |
|
* Copyright (C) 2001 Patrick Mochel <[email protected]> |
|
*/ |
|
#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/x86_init.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 u32 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; |
|
} |
|
|
|
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(); |
|
} |
|
|
|
/* Low-level suspend routine. */ |
|
extern int (*acpi_suspend_lowlevel)(void); |
|
|
|
/* Physical address to resume after wakeup */ |
|
unsigned long acpi_get_wakeup_address(void); |
|
|
|
/* |
|
* 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_stepping < 0x0A) |
|
return 1; |
|
else if (boot_cpu_has(X86_BUG_AMD_APIC_C1E)) |
|
return 1; |
|
else |
|
return max_cstate; |
|
} |
|
|
|
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); |
|
} |
|
|
|
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); |
|
} |
|
|
|
static inline bool acpi_has_cpu_in_madt(void) |
|
{ |
|
return !!acpi_lapic; |
|
} |
|
|
|
#define ACPI_HAVE_ARCH_SET_ROOT_POINTER |
|
static inline void acpi_arch_set_root_pointer(u64 addr) |
|
{ |
|
x86_init.acpi.set_root_pointer(addr); |
|
} |
|
|
|
#define ACPI_HAVE_ARCH_GET_ROOT_POINTER |
|
static inline u64 acpi_arch_get_root_pointer(void) |
|
{ |
|
return x86_init.acpi.get_root_pointer(); |
|
} |
|
|
|
void acpi_generic_reduced_hw_init(void); |
|
|
|
void x86_default_set_root_pointer(u64 addr); |
|
u64 x86_default_get_root_pointer(void); |
|
|
|
#else /* !CONFIG_ACPI */ |
|
|
|
#define acpi_lapic 0 |
|
#define acpi_ioapic 0 |
|
#define acpi_disable_cmcff 0 |
|
static inline void acpi_noirq_set(void) { } |
|
static inline void acpi_disable_pci(void) { } |
|
static inline void disable_acpi(void) { } |
|
|
|
static inline void acpi_generic_reduced_hw_init(void) { } |
|
|
|
static inline void x86_default_set_root_pointer(u64 addr) { } |
|
|
|
static inline u64 x86_default_get_root_pointer(void) |
|
{ |
|
return 0; |
|
} |
|
|
|
#endif /* !CONFIG_ACPI */ |
|
|
|
#define ARCH_HAS_POWER_INIT 1 |
|
|
|
#ifdef CONFIG_ACPI_NUMA |
|
extern int x86_acpi_numa_init(void); |
|
#endif /* CONFIG_ACPI_NUMA */ |
|
|
|
struct cper_ia_proc_ctx; |
|
|
|
#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; |
|
} |
|
|
|
int arch_apei_report_x86_error(struct cper_ia_proc_ctx *ctx_info, |
|
u64 lapic_id); |
|
#else |
|
static inline int arch_apei_report_x86_error(struct cper_ia_proc_ctx *ctx_info, |
|
u64 lapic_id) |
|
{ |
|
return -EINVAL; |
|
} |
|
#endif |
|
|
|
#define ACPI_TABLE_UPGRADE_MAX_PHYS (max_low_pfn_mapped << PAGE_SHIFT) |
|
|
|
#endif /* _ASM_X86_ACPI_H */
|
|
|