/* * Copyright (C) 2013-2014, Linaro Ltd. * Author: Al Stone <al.stone@linaro.org> * Author: Graeme Gregory <graeme.gregory@linaro.org> * Author: Hanjun Guo <hanjun.guo@linaro.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation; */ #ifndef _ASM_ACPI_H #define _ASM_ACPI_H #include <linux/efi.h> #include <linux/memblock.h> #include <linux/psci.h> #include <asm/cputype.h> #include <asm/io.h> #include <asm/smp_plat.h> #include <asm/tlbflush.h> /* Macros for consistency checks of the GICC subtable of MADT */ #define ACPI_MADT_GICC_LENGTH \ (acpi_gbl_FADT.header.revision < 6 ? 76 : 80) #define BAD_MADT_GICC_ENTRY(entry, end) \ (!(entry) || (entry)->header.length != ACPI_MADT_GICC_LENGTH || \ (unsigned long)(entry) + ACPI_MADT_GICC_LENGTH > (end)) /* Basic configuration for ACPI */ #ifdef CONFIG_ACPI pgprot_t __acpi_get_mem_attribute(phys_addr_t addr); /* ACPI table mapping after acpi_permanent_mmap is set */ static inline void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size) { /* For normal memory we already have a cacheable mapping. */ if (memblock_is_map_memory(phys)) return (void __iomem *)__phys_to_virt(phys); /* * We should still honor the memory's attribute here because * crash dump kernel possibly excludes some ACPI (reclaim) * regions from memblock list. */ return __ioremap(phys, size, __acpi_get_mem_attribute(phys)); } #define acpi_os_ioremap acpi_os_ioremap typedef u64 phys_cpuid_t; #define PHYS_CPUID_INVALID INVALID_HWID #define acpi_strict 1 /* No out-of-spec workarounds on ARM64 */ extern int acpi_disabled; extern int acpi_noirq; extern int acpi_pci_disabled; static inline void disable_acpi(void) { acpi_disabled = 1; acpi_pci_disabled = 1; acpi_noirq = 1; } static inline void enable_acpi(void) { acpi_disabled = 0; acpi_pci_disabled = 0; acpi_noirq = 0; } /* * The ACPI processor driver for ACPI core code needs this macro * to find out this cpu was already mapped (mapping from CPU hardware * ID to CPU logical ID) or not. */ #define cpu_physical_id(cpu) cpu_logical_map(cpu) /* * It's used from ACPI core in kdump to boot UP system with SMP kernel, * with this check the ACPI core will not override the CPU index * obtained from GICC with 0 and not print some error message as well. * Since MADT must provide at least one GICC structure for GIC * initialization, CPU will be always available in MADT on ARM64. */ static inline bool acpi_has_cpu_in_madt(void) { return true; } struct acpi_madt_generic_interrupt *acpi_cpu_get_madt_gicc(int cpu); static inline u32 get_acpi_id_for_cpu(unsigned int cpu) { return acpi_cpu_get_madt_gicc(cpu)->uid; } static inline void arch_fix_phys_package_id(int num, u32 slot) { } void __init acpi_init_cpus(void); #else static inline void acpi_init_cpus(void) { } #endif /* CONFIG_ACPI */ #ifdef CONFIG_ARM64_ACPI_PARKING_PROTOCOL bool acpi_parking_protocol_valid(int cpu); void __init acpi_set_mailbox_entry(int cpu, struct acpi_madt_generic_interrupt *processor); #else static inline bool acpi_parking_protocol_valid(int cpu) { return false; } static inline void acpi_set_mailbox_entry(int cpu, struct acpi_madt_generic_interrupt *processor) {} #endif static inline const char *acpi_get_enable_method(int cpu) { if (acpi_psci_present()) return "psci"; if (acpi_parking_protocol_valid(cpu)) return "parking-protocol"; return NULL; } #ifdef CONFIG_ACPI_APEI /* * acpi_disable_cmcff is used in drivers/acpi/apei/hest.c for disabling * IA-32 Architecture Corrected Machine Check (CMC) Firmware-First mode * with a kernel command line parameter "acpi=nocmcoff". But we don't * have this IA-32 specific feature on ARM64, this definition is only * for compatibility. */ #define acpi_disable_cmcff 1 static inline pgprot_t arch_apei_get_mem_attribute(phys_addr_t addr) { return __acpi_get_mem_attribute(addr); } #endif /* CONFIG_ACPI_APEI */ #ifdef CONFIG_ACPI_NUMA int arm64_acpi_numa_init(void); int acpi_numa_get_nid(unsigned int cpu, u64 hwid); #else static inline int arm64_acpi_numa_init(void) { return -ENOSYS; } static inline int acpi_numa_get_nid(unsigned int cpu, u64 hwid) { return NUMA_NO_NODE; } #endif /* CONFIG_ACPI_NUMA */ #define ACPI_TABLE_UPGRADE_MAX_PHYS MEMBLOCK_ALLOC_ACCESSIBLE #endif /*_ASM_ACPI_H*/
Name | Type | Size | Permission | Actions |
---|---|---|---|---|
xen | Folder | 0755 |
|
|
Kbuild | File | 703 B | 0644 |
|
acenv.h | File | 541 B | 0644 |
|
acpi.h | File | 4.34 KB | 0644 |
|
alternative.h | File | 7.63 KB | 0644 |
|
arch_gicv3.h | File | 3.44 KB | 0644 |
|
arch_timer.h | File | 4.87 KB | 0644 |
|
arm-cci.h | File | 794 B | 0644 |
|
asm-bug.h | File | 1.45 KB | 0644 |
|
asm-offsets.h | File | 35 B | 0644 |
|
asm-uaccess.h | File | 2.09 KB | 0644 |
|
assembler.h | File | 13.51 KB | 0644 |
|
atomic.h | File | 8.35 KB | 0644 |
|
atomic_ll_sc.h | File | 10.62 KB | 0644 |
|
atomic_lse.h | File | 14.82 KB | 0644 |
|
barrier.h | File | 3.78 KB | 0644 |
|
bitops.h | File | 1.9 KB | 0644 |
|
bitrev.h | File | 452 B | 0644 |
|
boot.h | File | 384 B | 0644 |
|
brk-imm.h | File | 706 B | 0644 |
|
bug.h | File | 1.09 KB | 0644 |
|
cache.h | File | 2.23 KB | 0644 |
|
cacheflush.h | File | 4.87 KB | 0644 |
|
checksum.h | File | 1.35 KB | 0644 |
|
clocksource.h | File | 192 B | 0644 |
|
cmpxchg.h | File | 7.98 KB | 0644 |
|
compat.h | File | 7.15 KB | 0644 |
|
compiler.h | File | 1.18 KB | 0644 |
|
cpu.h | File | 1.84 KB | 0644 |
|
cpu_ops.h | File | 2.73 KB | 0644 |
|
cpucaps.h | File | 1.83 KB | 0644 |
|
cpufeature.h | File | 19.14 KB | 0644 |
|
cpuidle.h | File | 401 B | 0644 |
|
cputype.h | File | 8.1 KB | 0644 |
|
current.h | File | 517 B | 0644 |
|
daifflags.h | File | 1.59 KB | 0644 |
|
dcc.h | File | 1.36 KB | 0644 |
|
debug-monitors.h | File | 3.76 KB | 0644 |
|
device.h | File | 886 B | 0644 |
|
dma-mapping.h | File | 2.42 KB | 0644 |
|
dmi.h | File | 850 B | 0644 |
|
efi.h | File | 4.57 KB | 0644 |
|
elf.h | File | 5.7 KB | 0644 |
|
esr.h | File | 9.02 KB | 0644 |
|
exception.h | File | 1.21 KB | 0644 |
|
exec.h | File | 868 B | 0644 |
|
extable.h | File | 815 B | 0644 |
|
fb.h | File | 1000 B | 0644 |
|
fixmap.h | File | 2.91 KB | 0644 |
|
fpsimd.h | File | 4.21 KB | 0644 |
|
fpsimdmacros.h | File | 5.62 KB | 0644 |
|
ftrace.h | File | 1.92 KB | 0644 |
|
futex.h | File | 3.41 KB | 0644 |
|
hardirq.h | File | 2.08 KB | 0644 |
|
hugetlb.h | File | 2.71 KB | 0644 |
|
hw_breakpoint.h | File | 4.46 KB | 0644 |
|
hwcap.h | File | 1.86 KB | 0644 |
|
hypervisor.h | File | 144 B | 0644 |
|
insn.h | File | 16.03 KB | 0644 |
|
io.h | File | 7.72 KB | 0644 |
|
irq.h | File | 307 B | 0644 |
|
irq_work.h | File | 228 B | 0644 |
|
irqflags.h | File | 2.3 KB | 0644 |
|
jump_label.h | File | 1.68 KB | 0644 |
|
kasan.h | File | 1.16 KB | 0644 |
|
kernel-pgtable.h | File | 4.03 KB | 0644 |
|
kexec.h | File | 2.42 KB | 0644 |
|
kgdb.h | File | 3.79 KB | 0644 |
|
kprobes.h | File | 1.74 KB | 0644 |
|
kvm_arm.h | File | 8.38 KB | 0644 |
|
kvm_asm.h | File | 4.26 KB | 0644 |
|
kvm_coproc.h | File | 2.04 KB | 0644 |
|
kvm_emulate.h | File | 10.38 KB | 0644 |
|
kvm_host.h | File | 15.73 KB | 0644 |
|
kvm_hyp.h | File | 5.79 KB | 0644 |
|
kvm_mmio.h | File | 1.3 KB | 0644 |
|
kvm_mmu.h | File | 11.72 KB | 0644 |
|
linkage.h | File | 114 B | 0644 |
|
lse.h | File | 1.26 KB | 0644 |
|
memblock.h | File | 720 B | 0644 |
|
memory.h | File | 9.32 KB | 0644 |
|
mmu.h | File | 2.74 KB | 0644 |
|
mmu_context.h | File | 6.35 KB | 0644 |
|
mmzone.h | File | 266 B | 0644 |
|
module.h | File | 2.8 KB | 0644 |
|
neon.h | File | 815 B | 0644 |
|
numa.h | File | 1.33 KB | 0644 |
|
page-def.h | File | 1.17 KB | 0644 |
|
page.h | File | 1.61 KB | 0644 |
|
paravirt.h | File | 458 B | 0644 |
|
pci.h | File | 878 B | 0644 |
|
percpu.h | File | 7.48 KB | 0644 |
|
perf_event.h | File | 3.17 KB | 0644 |
|
pgalloc.h | File | 3.71 KB | 0644 |
|
pgtable-hwdef.h | File | 9.4 KB | 0644 |
|
pgtable-prot.h | File | 4.38 KB | 0644 |
|
pgtable-types.h | File | 1.84 KB | 0644 |
|
pgtable.h | File | 21.55 KB | 0644 |
|
probes.h | File | 1022 B | 0644 |
|
proc-fns.h | File | 1.21 KB | 0644 |
|
processor.h | File | 6.52 KB | 0644 |
|
ptdump.h | File | 1.42 KB | 0644 |
|
ptrace.h | File | 9 KB | 0644 |
|
sdei.h | File | 1.46 KB | 0644 |
|
seccomp.h | File | 714 B | 0644 |
|
sections.h | File | 1.46 KB | 0644 |
|
shmparam.h | File | 965 B | 0644 |
|
signal32.h | File | 1.45 KB | 0644 |
|
simd.h | File | 1.39 KB | 0644 |
|
smp.h | File | 4.23 KB | 0644 |
|
smp_plat.h | File | 1.43 KB | 0644 |
|
sparsemem.h | File | 771 B | 0644 |
|
spinlock.h | File | 3.33 KB | 0644 |
|
spinlock_types.h | File | 1.06 KB | 0644 |
|
stack_pointer.h | File | 247 B | 0644 |
|
stackprotector.h | File | 1.11 KB | 0644 |
|
stacktrace.h | File | 2.53 KB | 0644 |
|
stage2_pgtable-nopmd.h | File | 1.3 KB | 0644 |
|
stage2_pgtable-nopud.h | File | 1.24 KB | 0644 |
|
stage2_pgtable.h | File | 4.89 KB | 0644 |
|
stat.h | File | 1.43 KB | 0644 |
|
string.h | File | 2.33 KB | 0644 |
|
suspend.h | File | 1.65 KB | 0644 |
|
sync_bitops.h | File | 1.11 KB | 0644 |
|
syscall.h | File | 2.87 KB | 0644 |
|
sysreg.h | File | 25.1 KB | 0644 |
|
system_misc.h | File | 1.86 KB | 0644 |
|
thread_info.h | File | 3.93 KB | 0644 |
|
timex.h | File | 883 B | 0644 |
|
tlb.h | File | 2.22 KB | 0644 |
|
tlbflush.h | File | 5.38 KB | 0644 |
|
topology.h | File | 1.29 KB | 0644 |
|
traps.h | File | 3.33 KB | 0644 |
|
uaccess.h | File | 12.01 KB | 0644 |
|
unistd.h | File | 1.6 KB | 0644 |
|
unistd32.h | File | 27.53 KB | 0644 |
|
uprobes.h | File | 777 B | 0644 |
|
vdso.h | File | 1.09 KB | 0644 |
|
vdso_datapage.h | File | 1.53 KB | 0644 |
|
vectors.h | File | 1.75 KB | 0644 |
|
virt.h | File | 3 KB | 0644 |
|
vmap_stack.h | File | 769 B | 0644 |
|
word-at-a-time.h | File | 2.22 KB | 0644 |
|