mtrr.h File Reference

#include <linux/types.h>
#include <linux/stddef.h>

Go to the source code of this file.

Data Structures
struct	mtrr_ops
struct	set_mtrr_context

Macros
#define	MTRR_CHANGE_MASK_FIXED   0x01
#define	MTRR_CHANGE_MASK_VARIABLE   0x02
#define	MTRR_CHANGE_MASK_DEFTYPE   0x04
#define	is_cpu(vnd)   (mtrr_if && mtrr_if->vendor == X86_VENDOR_##vnd)
#define	use_intel()   (mtrr_if && mtrr_if->use_intel_if == 1)

Functions
int	generic_get_free_region (unsigned long base, unsigned long size, int replace_reg)
int	generic_validate_add_page (unsigned long base, unsigned long size, unsigned int type)
int	positive_have_wrcomb (void)
void	set_mtrr_done (struct set_mtrr_context *ctxt)
void	set_mtrr_cache_disable (struct set_mtrr_context *ctxt)
void	set_mtrr_prepare_save (struct set_mtrr_context *ctxt)
void	fill_mtrr_var_range (unsigned int index, u32 base_lo, u32 base_hi, u32 mask_lo, u32 mask_hi)
void	get_mtrr_state (void)
void	set_mtrr_ops (const struct mtrr_ops *ops)
void	mtrr_state_warn (void)
const char *	mtrr_attrib_to_str (int x)
void	mtrr_wrmsr (unsigned, unsigned, unsigned)
int	amd_init_mtrr (void)
int	cyrix_init_mtrr (void)
int	centaur_init_mtrr (void)
int	mtrr_cleanup (unsigned address_bits)

Variables
unsigned int	mtrr_usage_table [MTRR_MAX_VAR_RANGES]
struct mtrr_ops	generic_mtrr_ops
u64	size_or_mask
u64	size_and_mask
struct mtrr_ops *	mtrr_if
unsigned int	num_var_ranges
u64	mtrr_tom2
struct mtrr_state_type	mtrr_state
int	changed_by_mtrr_cleanup

Macro Definition Documentation

#define is_cpu

(

vnd

)

(mtrr_if && mtrr_if->vendor == X86_VENDOR_##vnd)

Definition at line 61 of file mtrr.h.

#define MTRR_CHANGE_MASK_DEFTYPE   0x04

Definition at line 10 of file mtrr.h.

#define MTRR_CHANGE_MASK_FIXED   0x01

Definition at line 8 of file mtrr.h.

#define MTRR_CHANGE_MASK_VARIABLE   0x02

Definition at line 9 of file mtrr.h.

#define use_intel

(

)

(mtrr_if && mtrr_if->use_intel_if == 1)

Definition at line 62 of file mtrr.h.

Function Documentation

int amd_init_mtrr

(

void

)

Definition at line 120 of file amd.c.

int centaur_init_mtrr

(

void

)

Definition at line 122 of file centaur.c.

int cyrix_init_mtrr

(

void

)

Definition at line 278 of file cyrix.c.

void fill_mtrr_var_range	(	unsigned int	index,
		u32	base_lo,
		u32	base_hi,
		u32	mask_lo,
		u32	mask_hi
	)

Definition at line 261 of file generic.c.

int generic_get_free_region	(	unsigned long	base,
		unsigned long	size,
		int	replace_reg
	)

generic_get_free_region - Get a free MTRR. : The starting (base) address of the region. : The size (in bytes) of the region. : mtrr index to be replaced; set to invalid value if none.

Returns: The index of the region on success, else negative on error.

Definition at line 491 of file generic.c.

int generic_validate_add_page	(	unsigned long	base,
		unsigned long	size,
		unsigned int	type
	)

Definition at line 780 of file generic.c.

void get_mtrr_state

(

void

)

Definition at line 385 of file generic.c.

const char* mtrr_attrib_to_str

(

int

x

)

Definition at line 30 of file if.c.

int mtrr_cleanup

(

unsigned

address_bits

)

Definition at line 800 of file cleanup.c.

void mtrr_state_warn

(

void

)

Definition at line 432 of file generic.c.

void mtrr_wrmsr	(	unsigned	,
		unsigned	,
		unsigned
	)

Definition at line 454 of file generic.c.

int positive_have_wrcomb

(

void

)

Definition at line 826 of file generic.c.

void set_mtrr_cache_disable

(

struct set_mtrr_context *

ctxt

)

void set_mtrr_done

(

struct set_mtrr_context *

ctxt

)

void set_mtrr_ops

(

const struct mtrr_ops *

ops

)

Definition at line 72 of file main.c.

void set_mtrr_prepare_save

(

struct set_mtrr_context *

ctxt

)

Variable Documentation

int changed_by_mtrr_cleanup

Definition at line 584 of file main.c.

struct mtrr_ops generic_mtrr_ops

Definition at line 834 of file generic.c.

struct mtrr_ops* mtrr_if

Definition at line 67 of file main.c.

struct mtrr_state_type mtrr_state

Definition at line 37 of file generic.c.

u64 mtrr_tom2

Definition at line 35 of file generic.c.

unsigned int mtrr_usage_table[MTRR_MAX_VAR_RANGES]

Definition at line 59 of file main.c.

unsigned int num_var_ranges

Definition at line 57 of file main.c.

u64 size_and_mask

Definition at line 62 of file main.c.

u64 size_or_mask

Definition at line 62 of file main.c.