73 static grant_ref_t **gnttab_list;
76 static grant_ref_t gnttab_free_head;
117 	void (*update_entry)(grant_ref_t ref, domid_t domid,
127 	int (*end_foreign_access_ref)(grant_ref_t ref, int readonly);
135 	unsigned long (*end_foreign_transfer_ref)(grant_ref_t ref);
139 	unsigned long (*read_frame)(grant_ref_t ref);
156 #define RPP (PAGE_SIZE / sizeof(grant_ref_t))
159 static inline grant_ref_t *__gnttab_entry(grant_ref_t entry)  in __gnttab_entry()
170 	grant_ref_t head;  in get_free_entries()
218 static void put_free_entry(grant_ref_t ref)  in put_free_entry()
240 static void gnttab_update_entry_v1(grant_ref_t ref, domid_t domid,  in gnttab_update_entry_v1()
249 static void gnttab_update_entry_v2(grant_ref_t ref, domid_t domid,  in gnttab_update_entry_v2()
261 void gnttab_grant_foreign_access_ref(grant_ref_t ref, domid_t domid,  in gnttab_grant_foreign_access_ref()
284 static int gnttab_end_foreign_access_ref_v1(grant_ref_t ref, int readonly)  in gnttab_end_foreign_access_ref_v1()
300 static int gnttab_end_foreign_access_ref_v2(grant_ref_t ref, int readonly)  in gnttab_end_foreign_access_ref_v2()
323 static inline int _gnttab_end_foreign_access_ref(grant_ref_t ref, int readonly)  in _gnttab_end_foreign_access_ref()
328 int gnttab_end_foreign_access_ref(grant_ref_t ref, int readonly)  in gnttab_end_foreign_access_ref()
337 static unsigned long gnttab_read_frame_v1(grant_ref_t ref)  in gnttab_read_frame_v1()
342 static unsigned long gnttab_read_frame_v2(grant_ref_t ref)  in gnttab_read_frame_v2()
349 	grant_ref_t ref;
400 static void gnttab_add_deferred(grant_ref_t ref, bool readonly,  in gnttab_add_deferred()
435 int gnttab_try_end_foreign_access(grant_ref_t ref)  in gnttab_try_end_foreign_access()
446 void gnttab_end_foreign_access(grant_ref_t ref, int readonly,  in gnttab_end_foreign_access()
471 void gnttab_grant_foreign_transfer_ref(grant_ref_t ref, domid_t domid,  in gnttab_grant_foreign_transfer_ref()
478 static unsigned long gnttab_end_foreign_transfer_ref_v1(grant_ref_t ref)  in gnttab_end_foreign_transfer_ref_v1()
509 static unsigned long gnttab_end_foreign_transfer_ref_v2(grant_ref_t ref)  in gnttab_end_foreign_transfer_ref_v2()
540 unsigned long gnttab_end_foreign_transfer_ref(grant_ref_t ref)  in gnttab_end_foreign_transfer_ref()
546 unsigned long gnttab_end_foreign_transfer(grant_ref_t ref)  in gnttab_end_foreign_transfer()
554 void gnttab_free_grant_reference(grant_ref_t ref)  in gnttab_free_grant_reference()
560 void gnttab_free_grant_references(grant_ref_t head)  in gnttab_free_grant_references()
562 	grant_ref_t ref;  in gnttab_free_grant_references()
581 int gnttab_alloc_grant_references(u16 count, grant_ref_t *head)  in gnttab_alloc_grant_references()
594 int gnttab_empty_grant_references(const grant_ref_t *private_head)  in gnttab_empty_grant_references()
600 int gnttab_claim_grant_reference(grant_ref_t *private_head)  in gnttab_claim_grant_reference()
602 	grant_ref_t g = *private_head;  in gnttab_claim_grant_reference()
610 void gnttab_release_grant_reference(grant_ref_t *private_head,  in gnttab_release_grant_reference()
611 				    grant_ref_t release)  in gnttab_release_grant_reference()
681 		gnttab_list[i] = (grant_ref_t *)__get_free_page(GFP_ATOMIC);  in grow_gnttab_list()
1559 				    sizeof(grant_ref_t *),  in gnttab_init()
1566 		gnttab_list[i] = (grant_ref_t *)__get_free_page(GFP_KERNEL);  in gnttab_init()