gnttab.h File Reference

Xen grant table helpers. More...

#include <stdbool.h>
#include <stdint.h>
#include <zephyr/xen/public/grant_table.h>

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Functions
grant_ref_t	gnttab_grant_access (domid_t domid, unsigned long gfn, bool readonly)
	Grant another domain access to a guest frame.
int	gnttab_end_access (grant_ref_t gref)
	Release a grant reference created by gnttab_grant_access().
int32_t	gnttab_alloc_and_grant (void **map, bool readonly)
	Allocate a page and immediately grant access to it.
void *	gnttab_get_pages (unsigned int npages)
	Allocate pages that can host grant mappings.
int	gnttab_put_pages (void *start_addr, unsigned int npages)
	Release pages allocated by gnttab_get_pages().
int	gnttab_map_refs (struct gnttab_map_grant_ref *map_ops, unsigned int count)
	Map one or more foreign grant references.
int	gnttab_unmap_refs (struct gnttab_unmap_grant_ref *unmap_ops, unsigned int count)
	Unmap one or more foreign grant references.
const char *	gnttabop_error (int16_t status)
	Convert a Xen grant-table status into readable text.

Detailed Description

Xen grant table helpers.