diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/xen.h | 3 | ||||
| -rw-r--r-- | include/xen/gnttab.h | 24 |
2 files changed, 26 insertions, 1 deletions
diff --git a/include/xen.h b/include/xen.h index 6fe30b83a2..686b7148b5 100644 --- a/include/xen.h +++ b/include/xen.h @@ -8,7 +8,8 @@ /** * xen_init() - Xen initialization * - * Map Xen memory pages, initialize event handler and xenbus. + * Map Xen memory pages, initialize event handler and xenbus, + * setup the grant table. */ void xen_init(void); diff --git a/include/xen/gnttab.h b/include/xen/gnttab.h new file mode 100644 index 0000000000..db1d5361fe --- /dev/null +++ b/include/xen/gnttab.h @@ -0,0 +1,24 @@ +/* + * SPDX-License-Identifier: GPL-2.0 + * + * (C) 2006, Steven Smith <sos22@cam.ac.uk> + * (C) 2006, Grzegorz Milos <gm281@cam.ac.uk> + * (C) 2020, EPAM Systems Inc. + */ +#ifndef __GNTTAB_H__ +#define __GNTTAB_H__ + +#include <xen/interface/grant_table.h> + +void init_gnttab(void); +void fini_gnttab(void); + +grant_ref_t gnttab_alloc_and_grant(void **map); +grant_ref_t gnttab_grant_access(domid_t domid, unsigned long frame, + int readonly); +int gnttab_end_access(grant_ref_t ref); +const char *gnttabop_error(int16_t status); + +void get_gnttab_base(phys_addr_t *gnttab_base, phys_size_t *gnttab_sz); + +#endif /* !__GNTTAB_H__ */ |