arch/x86/kernel/apic/local.h
Source file repositories/reference/linux-study-clean/arch/x86/kernel/apic/local.h
File Facts
- System
- Linux kernel
- Corpus path
arch/x86/kernel/apic/local.h- Extension
.h- Size
- 2118 bytes
- Lines
- 77
- Domain
- Architecture Layer
- Bucket
- arch/x86
- Inferred role
- Architecture Layer: implementation source
- Status
- source implementation candidate
Why This File Exists
CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.
- CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.
- Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.
Dependency Surface
linux/jump_label.hasm/irq_vectors.hasm/apic.h
Detected Declarations
function __prepare_ICRfunction __x2apic_send_IPI_dest
Annotated Snippet
#include <linux/jump_label.h>
#include <asm/irq_vectors.h>
#include <asm/apic.h>
/* X2APIC */
u32 x2apic_get_apic_id(u32 id);
void x2apic_send_IPI_all(int vector);
void x2apic_send_IPI_allbutself(int vector);
void x2apic_send_IPI_self(int vector);
extern u32 x2apic_max_apicid;
/* IPI */
DECLARE_STATIC_KEY_FALSE(apic_use_ipi_shorthand);
static inline unsigned int __prepare_ICR(unsigned int shortcut, int vector,
unsigned int dest)
{
unsigned int icr = shortcut | dest;
switch (vector) {
default:
icr |= APIC_DM_FIXED | vector;
break;
case NMI_VECTOR:
icr |= APIC_DM_NMI;
break;
}
return icr;
}
#ifdef CONFIG_X86_X2APIC
static inline void __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest)
{
unsigned long cfg = __prepare_ICR(0, vector, dest);
native_x2apic_icr_write(cfg, apicid);
}
#endif
void default_init_apic_ldr(void);
void apic_mem_wait_icr_idle(void);
u32 apic_mem_wait_icr_idle_timeout(void);
/*
* This is used to send an IPI with no shorthand notation (the destination is
* specified in bits 56 to 63 of the ICR).
*/
void __default_send_IPI_dest_field(unsigned int mask, int vector, unsigned int dest);
void default_send_IPI_single(int cpu, int vector);
void default_send_IPI_single_phys(int cpu, int vector);
void default_send_IPI_mask_sequence_phys(const struct cpumask *mask, int vector);
void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask, int vector);
void default_send_IPI_allbutself(int vector);
void default_send_IPI_all(int vector);
void default_send_IPI_self(int vector);
#ifdef CONFIG_X86_32
void default_send_IPI_mask_sequence_logical(const struct cpumask *mask, int vector);
void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask, int vector);
void default_send_IPI_mask_logical(const struct cpumask *mask, int vector);
#endif
Annotation
- Immediate include surface: `linux/jump_label.h`, `asm/irq_vectors.h`, `asm/apic.h`.
- Detected declarations: `function __prepare_ICR`, `function __x2apic_send_IPI_dest`.
- Atlas domain: Architecture Layer / arch/x86.
- Implementation status: source implementation candidate.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.