grant_table.h File Reference

#include <asm/page.h>
#include <xen/interface/xen.h>
#include <xen/interface/grant_table.h>
#include <asm/xen/hypervisor.h>
#include <xen/features.h>

Go to the source code of this file.

Data Structures
struct	gnttab_free_callback

Macros
#define	GNTTAB_RESERVED_XENSTORE   1
#define	NR_GRANT_FRAMES   4
#define	gnttab_map_vaddr(map)   ((void *)(map.host_virt_addr))

Functions
int	gnttab_init (void)
int	gnttab_suspend (void)
int	gnttab_resume (void)
int	gnttab_grant_foreign_access (domid_t domid, unsigned long frame, int readonly)
int	gnttab_grant_foreign_access_subpage (domid_t domid, unsigned long frame, int flags, unsigned page_off, unsigned length)
int	gnttab_grant_foreign_access_trans (domid_t domid, int flags, domid_t trans_domid, grant_ref_t trans_gref)
bool	gnttab_subpage_grants_available (void)
bool	gnttab_trans_grants_available (void)
int	gnttab_end_foreign_access_ref (grant_ref_t ref, int readonly)
void	gnttab_end_foreign_access (grant_ref_t ref, int readonly, unsigned long page)
int	gnttab_grant_foreign_transfer (domid_t domid, unsigned long pfn)
unsigned long	gnttab_end_foreign_transfer_ref (grant_ref_t ref)
unsigned long	gnttab_end_foreign_transfer (grant_ref_t ref)
int	gnttab_query_foreign_access (grant_ref_t ref)
int	gnttab_alloc_grant_references (u16 count, grant_ref_t *pprivate_head)
void	gnttab_free_grant_reference (grant_ref_t ref)
void	gnttab_free_grant_references (grant_ref_t head)
int	gnttab_empty_grant_references (const grant_ref_t *pprivate_head)
int	gnttab_claim_grant_reference (grant_ref_t *pprivate_head)
void	gnttab_release_grant_reference (grant_ref_t *private_head, grant_ref_t release)
void	gnttab_request_free_callback (struct gnttab_free_callback *callback, void(*fn)(void *), void *arg, u16 count)
void	gnttab_cancel_free_callback (struct gnttab_free_callback *callback)
void	gnttab_grant_foreign_access_ref (grant_ref_t ref, domid_t domid, unsigned long frame, int readonly)
int	gnttab_grant_foreign_access_subpage_ref (grant_ref_t ref, domid_t domid, unsigned long frame, int flags, unsigned page_off, unsigned length)
int	gnttab_grant_foreign_access_trans_ref (grant_ref_t ref, domid_t domid, int flags, domid_t trans_domid, grant_ref_t trans_gref)
void	gnttab_grant_foreign_transfer_ref (grant_ref_t, domid_t domid, unsigned long pfn)
int	arch_gnttab_map_shared (xen_pfn_t *frames, unsigned long nr_gframes, unsigned long max_nr_gframes, void **__shared)
int	arch_gnttab_map_status (uint64_t *frames, unsigned long nr_gframes, unsigned long max_nr_gframes, grant_status_t **__shared)
void	arch_gnttab_unmap (void *shared, unsigned long nr_gframes)
unsigned int	gnttab_max_grant_frames (void)
int	gnttab_map_refs (struct gnttab_map_grant_ref *map_ops, struct gnttab_map_grant_ref *kmap_ops, struct page **pages, unsigned int count)
int	gnttab_unmap_refs (struct gnttab_unmap_grant_ref *unmap_ops, struct gnttab_map_grant_ref *kunmap_ops, struct page **pages, unsigned int count)
void	gnttab_batch_map (struct gnttab_map_grant_ref *batch, unsigned count)
void	gnttab_batch_copy (struct gnttab_copy *batch, unsigned count)

Variables
unsigned long	xen_hvm_resume_frames

Macro Definition Documentation

#define gnttab_map_vaddr

(

map

)

((void *)(map.host_virt_addr))

Definition at line 184 of file grant_table.h.

#define GNTTAB_RESERVED_XENSTORE   1

Definition at line 49 of file grant_table.h.

#define NR_GRANT_FRAMES   4

Definition at line 52 of file grant_table.h.

Function Documentation

int arch_gnttab_map_shared	(	xen_pfn_t *	frames,
		unsigned long	nr_gframes,
		unsigned long	max_nr_gframes,
		void **	__shared
	)

Definition at line 36 of file grant-table.c.

int arch_gnttab_map_status	(	uint64_t *	frames,
		unsigned long	nr_gframes,
		unsigned long	max_nr_gframes,
		grant_status_t **	__shared
	)

Definition at line 48 of file grant-table.c.

void arch_gnttab_unmap	(	void *	shared,
		unsigned long	nr_gframes
	)

Definition at line 43 of file grant-table.c.

int gnttab_alloc_grant_references	(	u16	count,
		grant_ref_t *	pprivate_head
	)

Definition at line 694 of file grant-table.c.

void gnttab_batch_copy	(	struct gnttab_copy *	batch,
		unsigned	count
	)

Definition at line 860 of file grant-table.c.

void gnttab_batch_map	(	struct gnttab_map_grant_ref *	batch,
		unsigned	count
	)

Definition at line 847 of file grant-table.c.

void gnttab_cancel_free_callback

(

struct gnttab_free_callback *

callback

)

Definition at line 749 of file grant-table.c.

int gnttab_claim_grant_reference

(

grant_ref_t *

pprivate_head

)

Definition at line 713 of file grant-table.c.

int gnttab_empty_grant_references

(

const grant_ref_t *

pprivate_head

)

Definition at line 707 of file grant-table.c.

void gnttab_end_foreign_access	(	grant_ref_t	ref,
		int	readonly,
		unsigned long	page
	)

Definition at line 558 of file grant-table.c.

int gnttab_end_foreign_access_ref	(	grant_ref_t	ref,
		int	readonly
	)

Definition at line 466 of file grant-table.c.

unsigned long gnttab_end_foreign_transfer

(

grant_ref_t

ref

)

Definition at line 659 of file grant-table.c.

unsigned long gnttab_end_foreign_transfer_ref

(

grant_ref_t

ref

)

Definition at line 653 of file grant-table.c.

void gnttab_free_grant_reference

(

grant_ref_t

ref

)

Definition at line 667 of file grant-table.c.

void gnttab_free_grant_references

(

grant_ref_t

head

)

Definition at line 673 of file grant-table.c.

int gnttab_grant_foreign_access	(	domid_t	domid,
		unsigned long	frame,
		int	readonly
	)

Definition at line 275 of file grant-table.c.

void gnttab_grant_foreign_access_ref	(	grant_ref_t	ref,
		domid_t	domid,
		unsigned long	frame,
		int	readonly
	)

Definition at line 267 of file grant-table.c.

int gnttab_grant_foreign_access_subpage	(	domid_t	domid,
		unsigned long	frame,
		int	flags,
		unsigned	page_off,
		unsigned	length
	)

Definition at line 322 of file grant-table.c.

int gnttab_grant_foreign_access_subpage_ref	(	grant_ref_t	ref,
		domid_t	domid,
		unsigned long	frame,
		int	flags,
		unsigned	page_off,
		unsigned	length
	)

Definition at line 303 of file grant-table.c.

int gnttab_grant_foreign_access_trans	(	domid_t	domid,
		int	flags,
		domid_t	trans_domid,
		grant_ref_t	trans_gref
	)

Definition at line 379 of file grant-table.c.

int gnttab_grant_foreign_access_trans_ref	(	grant_ref_t	ref,
		domid_t	domid,
		int	flags,
		domid_t	trans_domid,
		grant_ref_t	trans_gref
	)

Definition at line 361 of file grant-table.c.

int gnttab_grant_foreign_transfer	(	domid_t	domid,
		unsigned long	pfn
	)

Definition at line 571 of file grant-table.c.

void gnttab_grant_foreign_transfer_ref	(	grant_ref_t	,
		domid_t	domid,
		unsigned long	pfn
	)

Definition at line 584 of file grant-table.c.

int gnttab_init

(

void

)

Definition at line 1187 of file grant-table.c.

int gnttab_map_refs	(	struct gnttab_map_grant_ref *	map_ops,
		struct gnttab_map_grant_ref *	kmap_ops,
		struct page **	pages,
		unsigned int	count
	)

Definition at line 873 of file grant-table.c.

unsigned int gnttab_max_grant_frames

(

void

)

Definition at line 817 of file grant-table.c.

int gnttab_query_foreign_access

(

grant_ref_t

ref

)

Definition at line 416 of file grant-table.c.

void gnttab_release_grant_reference	(	grant_ref_t *	private_head,
		grant_ref_t	release
	)

Definition at line 723 of file grant-table.c.

void gnttab_request_free_callback	(	struct gnttab_free_callback *	callback,
		void(*)(void *)	fn,
		void *	arg,
		u16	count
	)

Definition at line 731 of file grant-table.c.

int gnttab_resume

(

void

)

Definition at line 1136 of file grant-table.c.

bool gnttab_subpage_grants_available

(

void

)

Definition at line 343 of file grant-table.c.

int gnttab_suspend

(

void

)

Definition at line 1163 of file grant-table.c.

bool gnttab_trans_grants_available

(

void

)

Definition at line 400 of file grant-table.c.

int gnttab_unmap_refs	(	struct gnttab_unmap_grant_ref *	unmap_ops,
		struct gnttab_map_grant_ref *	kunmap_ops,
		struct page **	pages,
		unsigned int	count
	)

Definition at line 925 of file grant-table.c.

Variable Documentation

unsigned long xen_hvm_resume_frames

Definition at line 70 of file grant-table.c.