diff options
Diffstat (limited to 'sys/xen/gnttab.h')
| -rw-r--r-- | sys/xen/gnttab.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/xen/gnttab.h b/sys/xen/gnttab.h index 8348af5..1741ec3 100644 --- a/sys/xen/gnttab.h +++ b/sys/xen/gnttab.h @@ -43,6 +43,8 @@ #include <machine/xen/xen-os.h> #include <xen/features.h> +#define GNTTAB_LIST_END GRANT_REF_INVALID + struct gnttab_free_callback { struct gnttab_free_callback *next; void (*fn)(void *); @@ -74,6 +76,13 @@ int gnttab_end_foreign_access_ref(grant_ref_t ref); */ void gnttab_end_foreign_access(grant_ref_t ref, void *page); +/* + * Eventually end access through the given array of grant references. + * Access will be ended immediately iff the grant entry is not in use, + * otherwise it will happen some time later + */ +void gnttab_end_foreign_access_references(u_int count, grant_ref_t *refs); + int gnttab_grant_foreign_transfer(domid_t domid, unsigned long pfn, grant_ref_t *result); unsigned long gnttab_end_foreign_transfer_ref(grant_ref_t ref); |
