intel_irq_remapping.c File Reference

#include <linux/interrupt.h>
#include <linux/dmar.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/jiffies.h>
#include <linux/hpet.h>
#include <linux/pci.h>
#include <linux/irq.h>
#include <asm/io_apic.h>
#include <asm/smp.h>
#include <asm/cpu.h>
#include <linux/intel-iommu.h>
#include <acpi/acpi.h>
#include <asm/irq_remapping.h>
#include <asm/pci-direct.h>
#include <asm/msidef.h>
#include "irq_remapping.h"

Go to the source code of this file.

Data Structures
struct	ioapic_scope
struct	hpet_scope

Macros
#define	IR_X2APIC_MODE(mode)   (mode ? (1 << 11) : 0)
#define	IRTE_DEST(dest)   ((x2apic_mode) ? dest : dest << 8)
#define	SVT_NO_VERIFY   0x0 /* no verification is required */
#define	SVT_VERIFY_SID_SQ   0x1 /* verify using SID and SQ fields */
#define	SVT_VERIFY_BUS   0x2 /* verify bus of request-id */
#define	SQ_ALL_16   0x0 /* verify all 16 bits of request-id */
#define	SQ_13_IGNORE_1
#define	SQ_13_IGNORE_2
#define	SQ_13_IGNORE_3

Functions
int	get_irte (int irq, struct irte *entry)
int __init	parse_ioapics_under_ir (void)
int __init	ir_dev_scope_init (void)
	rootfs_initcall (ir_dev_scope_init)

Variables
struct irq_remap_ops	intel_irq_remap_ops

Macro Definition Documentation

#define IR_X2APIC_MODE

(

mode

)

(mode ? (1 << 11) : 0)

Definition at line 34 of file intel_irq_remapping.c.

#define IRTE_DEST

(

dest

)

((x2apic_mode) ? dest : dest << 8)

Definition at line 35 of file intel_irq_remapping.c.

#define SQ_13_IGNORE_1

Value:

0x1  /* verify most significant 13 bits, ignore
                  * the third least significant bit
                  */

Definition at line 291 of file intel_irq_remapping.c.

#define SQ_13_IGNORE_2

Value:

0x2  /* verify most significant 13 bits, ignore
                  * the second and third least significant bits
                  */

Definition at line 292 of file intel_irq_remapping.c.

#define SQ_13_IGNORE_3

Value:

0x3  /* verify most significant 13 bits, ignore
                  * the least three significant bits
                  */

Definition at line 293 of file intel_irq_remapping.c.

#define SQ_ALL_16   0x0 /* verify all 16 bits of request-id */

Definition at line 290 of file intel_irq_remapping.c.

#define SVT_NO_VERIFY   0x0 /* no verification is required */

Definition at line 283 of file intel_irq_remapping.c.

#define SVT_VERIFY_BUS   0x2 /* verify bus of request-id */

Definition at line 285 of file intel_irq_remapping.c.

#define SVT_VERIFY_SID_SQ   0x1 /* verify using SID and SQ fields */

Definition at line 284 of file intel_irq_remapping.c.

Function Documentation

int get_irte	(	int	irq,
		struct irte *	entry
	)

Definition at line 49 of file intel_irq_remapping.c.

int __init ir_dev_scope_init

(

void

)

Definition at line 762 of file intel_irq_remapping.c.

int __init parse_ioapics_under_ir

(

void

)

Definition at line 729 of file intel_irq_remapping.c.

rootfs_initcall

(

ir_dev_scope_init

)

Variable Documentation

struct irq_remap_ops intel_irq_remap_ops

Initial value:

= {
    .supported      = intel_irq_remapping_supported,
    .prepare        = dmar_table_init,
    .enable         = intel_enable_irq_remapping,
    .disable        = disable_irq_remapping,
    .reenable       = reenable_irq_remapping,
    .enable_faulting    = enable_drhd_fault_handling,
    .setup_ioapic_entry = intel_setup_ioapic_entry,
    .set_affinity       = intel_ioapic_set_affinity,
    .free_irq       = free_irte,
    .compose_msi_msg    = intel_compose_msi_msg,
    .msi_alloc_irq      = intel_msi_alloc_irq,
    .msi_setup_irq      = intel_msi_setup_irq,
    .setup_hpet_msi     = intel_setup_hpet_msi,
}

Definition at line 1063 of file intel_irq_remapping.c.