dmar.c File Reference

#include <linux/pci.h>
#include <linux/dmar.h>
#include <linux/iova.h>
#include <linux/intel-iommu.h>
#include <linux/timer.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/tboot.h>
#include <linux/dmi.h>
#include <linux/slab.h>
#include <asm/irq_remapping.h>
#include <asm/iommu_table.h>

Go to the source code of this file.

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt /* has to precede printk.h */
#define	MAX_FAULT_REASON_IDX   (ARRAY_SIZE(fault_reason_strings) - 1)
#define	PRIMARY_FAULT_REG_LEN   (16)

Enumerations
enum	faulttype { DMA_REMAP, INTR_REMAP, UNKNOWN }

Functions
	LIST_HEAD (dmar_drhd_units)
int __init	dmar_parse_dev_scope (void *start, void *end, int *cnt, struct pci_dev ***devices, u16 segment)
struct dmar_drhd_unit *	dmar_find_matched_drhd_unit (struct pci_dev *dev)
int __init	dmar_dev_scope_init (void)
int __init	dmar_table_init (void)
int __init	check_zero_address (void)
int __init	detect_intel_iommu (void)
int	alloc_iommu (struct dmar_drhd_unit *drhd)
void	free_iommu (struct intel_iommu *iommu)
int	qi_submit_sync (struct qi_desc *desc, struct intel_iommu *iommu)
void	qi_global_iec (struct intel_iommu *iommu)
void	qi_flush_context (struct intel_iommu *iommu, u16 did, u16 sid, u8 fm, u64 type)
void	qi_flush_iotlb (struct intel_iommu *iommu, u16 did, u64 addr, unsigned int size_order, u64 type)
void	qi_flush_dev_iotlb (struct intel_iommu *iommu, u16 sid, u16 qdep, u64 addr, unsigned mask)
void	dmar_disable_qi (struct intel_iommu *iommu)
int	dmar_enable_qi (struct intel_iommu *iommu)
const char *	dmar_get_fault_reason (u8 fault_reason, int *fault_type)
void	dmar_msi_unmask (struct irq_data *data)
void	dmar_msi_mask (struct irq_data *data)
void	dmar_msi_write (int irq, struct msi_msg *msg)
void	dmar_msi_read (int irq, struct msi_msg *msg)
irqreturn_t	dmar_fault (int irq, void *dev_id)
int	dmar_set_interrupt (struct intel_iommu *iommu)
int __init	enable_drhd_fault_handling (void)
int	dmar_reenable_qi (struct intel_iommu *iommu)
int __init	dmar_ir_support (void)
	IOMMU_INIT_POST (detect_intel_iommu)

Variables
struct acpi_table_header *__initdata	dmar_tbl

Macro Definition Documentation

#define MAX_FAULT_REASON_IDX   (ARRAY_SIZE(fault_reason_strings) - 1)

Definition at line 1097 of file dmar.c.

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt /* has to precede printk.h */

Definition at line 29 of file dmar.c.

#define PRIMARY_FAULT_REG_LEN   (16)

Definition at line 1189 of file dmar.c.

Enumeration Type Documentation

enum faulttype

Enumerator:

DMA_REMAP
INTR_REMAP
UNKNOWN

Definition at line 1063 of file dmar.c.

Function Documentation

int alloc_iommu

(

struct dmar_drhd_unit *

drhd

)

Definition at line 643 of file dmar.c.

int __init check_zero_address

(

void

)

Definition at line 484 of file dmar.c.

int __init detect_intel_iommu

(

void

)

Definition at line 534 of file dmar.c.

int __init dmar_dev_scope_init

(

void

)

Definition at line 416 of file dmar.c.

void dmar_disable_qi

(

struct intel_iommu *

iommu

)

Definition at line 948 of file dmar.c.

int dmar_enable_qi

(

struct intel_iommu *

iommu

)

Definition at line 1013 of file dmar.c.

irqreturn_t dmar_fault	(	int	irq,
		void *	dev_id
	)

Definition at line 1190 of file dmar.c.

struct dmar_drhd_unit* dmar_find_matched_drhd_unit ( struct pci_dev *  dev )

read

Definition at line 392 of file dmar.c.

const char* dmar_get_fault_reason	(	u8	fault_reason,
		int *	fault_type
	)

Definition at line 1099 of file dmar.c.

int __init dmar_ir_support

(

void

)

Definition at line 1342 of file dmar.c.

void dmar_msi_mask

(

struct irq_data *

data

)

Definition at line 1127 of file dmar.c.

void dmar_msi_read	(	int	irq,
		struct msi_msg *	msg
	)

Definition at line 1152 of file dmar.c.

void dmar_msi_unmask

(

struct irq_data *

data

)

Definition at line 1114 of file dmar.c.

void dmar_msi_write	(	int	irq,
		struct msi_msg *	msg
	)

Definition at line 1140 of file dmar.c.

int __init dmar_parse_dev_scope	(	void *	start,
		void *	end,
		int *	cnt,
		struct pci_dev ***	devices,
		u16	segment
	)

Definition at line 116 of file dmar.c.

int dmar_reenable_qi

(

struct intel_iommu *

iommu

)

Definition at line 1317 of file dmar.c.

int dmar_set_interrupt

(

struct intel_iommu *

iommu

)

Definition at line 1254 of file dmar.c.

int __init dmar_table_init

(

void

)

Definition at line 447 of file dmar.c.

int __init enable_drhd_fault_handling

(

void

)

Definition at line 1287 of file dmar.c.

void free_iommu

(

struct intel_iommu *

iommu

)

Definition at line 708 of file dmar.c.

IOMMU_INIT_POST

(

detect_intel_iommu

)

LIST_HEAD

(

dmar_drhd_units

)

void qi_flush_context	(	struct intel_iommu *	iommu,
		u16	did,
		u16	sid,
		u8	fm,
		u64	type
	)

Definition at line 890 of file dmar.c.

void qi_flush_dev_iotlb	(	struct intel_iommu *	iommu,
		u16	sid,
		u16	qdep,
		u64	addr,
		unsigned	mask
	)

Definition at line 924 of file dmar.c.

void qi_flush_iotlb	(	struct intel_iommu *	iommu,
		u16	did,
		u64	addr,
		unsigned int	size_order,
		u64	type
	)

Definition at line 902 of file dmar.c.

void qi_global_iec

(

struct intel_iommu *

iommu

)

Definition at line 879 of file dmar.c.

int qi_submit_sync	(	struct qi_desc *	desc,
		struct intel_iommu *	iommu
	)

Definition at line 800 of file dmar.c.

Variable Documentation

struct acpi_table_header* __initdata dmar_tbl

Definition at line 50 of file dmar.c.