p2m.c File Reference

#include <linux/init.h>
#include <linux/module.h>
#include <linux/list.h>
#include <linux/hash.h>
#include <linux/sched.h>
#include <linux/seq_file.h>
#include <asm/cache.h>
#include <asm/setup.h>
#include <asm/xen/page.h>
#include <asm/xen/hypercall.h>
#include <asm/xen/hypervisor.h>
#include <xen/grant_table.h>
#include "multicalls.h"
#include "xen-ops.h"

Go to the source code of this file.

Macros
#define	P2M_PER_PAGE   (PAGE_SIZE / sizeof(unsigned long))
#define	P2M_MID_PER_PAGE   (PAGE_SIZE / sizeof(unsigned long *))
#define	P2M_TOP_PER_PAGE   (PAGE_SIZE / sizeof(unsigned long **))
#define	MAX_P2M_PFN   (P2M_TOP_PER_PAGE * P2M_MID_PER_PAGE * P2M_PER_PAGE)
#define	M2P_OVERRIDE_HASH_SHIFT   10
#define	M2P_OVERRIDE_HASH   (1 << M2P_OVERRIDE_HASH_SHIFT)

Functions
	RESERVE_BRK (p2m_mid, PAGE_SIZE *(MAX_DOMAIN_PAGES/(P2M_PER_PAGE *P2M_MID_PER_PAGE)))
	RESERVE_BRK (p2m_mid_mfn, PAGE_SIZE *(MAX_DOMAIN_PAGES/(P2M_PER_PAGE *P2M_MID_PER_PAGE)))
	RESERVE_BRK (p2m_mid_identity, PAGE_SIZE *2 *3)
	RESERVE_BRK (p2m_populated, PAGE_SIZE *3)
void __ref	xen_build_mfn_list_list (void)
void	xen_setup_mfn_list_list (void)
void __init	xen_build_dynamic_phys_to_machine (void)
unsigned long __init	xen_revector_p2m_tree (void)
unsigned long	get_phys_to_machine (unsigned long pfn)
	EXPORT_SYMBOL_GPL (get_phys_to_machine)
bool __init	early_can_reuse_p2m_middle (unsigned long set_pfn, unsigned long set_mfn)
bool __init	early_set_phys_to_machine (unsigned long pfn, unsigned long mfn)
unsigned long __init	set_phys_range_identity (unsigned long pfn_s, unsigned long pfn_e)
bool	__set_phys_to_machine (unsigned long pfn, unsigned long mfn)
bool	set_phys_to_machine (unsigned long pfn, unsigned long mfn)
int	m2p_add_override (unsigned long mfn, struct page *page, struct gnttab_map_grant_ref *kmap_op)
	EXPORT_SYMBOL_GPL (m2p_add_override)
int	m2p_remove_override (struct page *page, struct gnttab_map_grant_ref *kmap_op)
	EXPORT_SYMBOL_GPL (m2p_remove_override)
struct page *	m2p_find_override (unsigned long mfn)
unsigned long	m2p_find_override_pfn (unsigned long mfn, unsigned long pfn)
	EXPORT_SYMBOL_GPL (m2p_find_override_pfn)

Variables
unsigned long xen_max_p2m_pfn	__read_mostly

Macro Definition Documentation

#define M2P_OVERRIDE_HASH   (1 << M2P_OVERRIDE_HASH_SHIFT)

Definition at line 851 of file p2m.c.

#define M2P_OVERRIDE_HASH_SHIFT   10

Definition at line 850 of file p2m.c.

#define MAX_P2M_PFN   (P2M_TOP_PER_PAGE * P2M_MID_PER_PAGE * P2M_PER_PAGE)

Definition at line 177 of file p2m.c.

#define P2M_MID_PER_PAGE   (PAGE_SIZE / sizeof(unsigned long *))

Definition at line 174 of file p2m.c.

#define P2M_PER_PAGE   (PAGE_SIZE / sizeof(unsigned long))

Definition at line 173 of file p2m.c.

#define P2M_TOP_PER_PAGE   (PAGE_SIZE / sizeof(unsigned long **))

Definition at line 175 of file p2m.c.

Function Documentation

bool __set_phys_to_machine	(	unsigned long	pfn,
		unsigned long	mfn
	)

Definition at line 797 of file p2m.c.

bool __init early_can_reuse_p2m_middle	(	unsigned long	set_pfn,
		unsigned long	set_mfn
	)

Definition at line 665 of file p2m.c.

bool __init early_set_phys_to_machine	(	unsigned long	pfn,
		unsigned long	mfn
	)

Definition at line 742 of file p2m.c.

EXPORT_SYMBOL_GPL

(

get_phys_to_machine

)

EXPORT_SYMBOL_GPL

(

m2p_add_override

)

EXPORT_SYMBOL_GPL

(

m2p_remove_override

)

EXPORT_SYMBOL_GPL

(

m2p_find_override_pfn

)

unsigned long get_phys_to_machine

(

unsigned long

pfn

)

Definition at line 478 of file p2m.c.

int m2p_add_override	(	unsigned long	mfn,
		struct page *	page,
		struct gnttab_map_grant_ref *	kmap_op
	)

Definition at line 873 of file p2m.c.

struct page* m2p_find_override ( unsigned long  mfn )

read

Definition at line 1031 of file p2m.c.

unsigned long m2p_find_override_pfn	(	unsigned long	mfn,
		unsigned long	pfn
	)

Definition at line 1053 of file p2m.c.

int m2p_remove_override	(	struct page *	page,
		struct gnttab_map_grant_ref *	kmap_op
	)

Definition at line 935 of file p2m.c.

RESERVE_BRK	(	p2m_mid	,
		PAGE_SIZE *	MAX_DOMAIN_PAGES/(P2M_PER_PAGE *P2M_MID_PER_PAGE)
	)

RESERVE_BRK	(	p2m_mid_mfn	,
		PAGE_SIZE *	MAX_DOMAIN_PAGES/(P2M_PER_PAGE *P2M_MID_PER_PAGE)
	)

RESERVE_BRK	(	p2m_mid_identity	,
		PAGE_SIZE *2 *	3
	)

RESERVE_BRK	(	p2m_populated	,
		PAGE_SIZE *	3
	)

unsigned long __init set_phys_range_identity	(	unsigned long	pfn_s,
		unsigned long	pfn_e
	)

Definition at line 760 of file p2m.c.

bool set_phys_to_machine	(	unsigned long	pfn,
		unsigned long	mfn
	)

Definition at line 837 of file p2m.c.

void __init xen_build_dynamic_phys_to_machine

(

void

)

Definition at line 346 of file p2m.c.

void __ref xen_build_mfn_list_list

(

void

)

Definition at line 278 of file p2m.c.

unsigned long __init xen_revector_p2m_tree

(

void

)

Definition at line 473 of file p2m.c.

void xen_setup_mfn_list_list

(

void

)

Definition at line 336 of file p2m.c.

Variable Documentation

unsigned long xen_max_p2m_pfn __read_mostly

Definition at line 171 of file p2m.c.