gnttab.h

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/*
 * Copyright (c) 2021-2024 EPAM Systems
 *
 * SPDX-License-Identifier: Apache-2.0
 */

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


grant_ref_t gnttab_grant_access(domid_t domid, unsigned long gfn,
                                bool readonly);

int gnttab_end_access(grant_ref_t gref);

int32_t gnttab_alloc_and_grant(void **map, bool readonly);

void *gnttab_get_pages(unsigned int npages);

int gnttab_put_pages(void *start_addr, unsigned int npages);

int gnttab_map_refs(struct gnttab_map_grant_ref *map_ops, unsigned int count);

int gnttab_unmap_refs(struct gnttab_unmap_grant_ref *unmap_ops, unsigned int count);

const char *gnttabop_error(int16_t status);

 
#endif /* __XEN_GNTTAB_H__ */