Cross Reference: /illumos-gate/usr/src/uts/common/xen/os/gnttab.c

Lines Matching defs:ref
218 	int ref, rc;
227 	ref = head = gnttab_free_head;
234 	return (ref);
238 put_free_entry(grant_ref_t ref)
240 	ASSERT(VALID_GRANT_REF(ref));
243 	GNTTAB_ENTRY(ref) = gnttab_free_head;
244 	gnttab_free_head = ref;
257 	int ref;
259 	if ((ref = get_free_entries(1)) == -1)
262 	ASSERT(VALID_GRANT_REF(ref));
264 	shared[ref].frame = frame;
265 	shared[ref].domid = domid;
267 	shared[ref].flags = GTF_permit_access | (readonly ? GTF_readonly : 0);
269 	return (ref);
273 gnttab_grant_foreign_access_ref(grant_ref_t ref, domid_t domid,
276 	ASSERT(VALID_GRANT_REF(ref));
278 	shared[ref].frame = frame;
279 	shared[ref].domid = domid;
281 	shared[ref].flags = GTF_permit_access | (readonly ? GTF_readonly : 0);
286 gnttab_query_foreign_access(grant_ref_t ref)
290 	ASSERT(VALID_GRANT_REF(ref));
292 	nflags = shared[ref].flags;
299 gnttab_end_foreign_access_ref(grant_ref_t ref, int readonly)
303 	ASSERT(VALID_GRANT_REF(ref));
305 	nflags = shared[ref].flags;
311 	} while ((nflags = CMPXCHG(&shared[ref].flags, flags, 0)) != flags);
317 gnttab_end_foreign_access(grant_ref_t ref, int readonly, gnttab_frame_t page)
319 	ASSERT(VALID_GRANT_REF(ref));
321 	if (gnttab_end_foreign_access_ref(ref, readonly)) {
322 		put_free_entry(ref);
333 		 * XXX This needs to be fixed so that the ref and page are
343 	int ref;
345 	if ((ref = get_free_entries(1)) == -1)
348 	ASSERT(VALID_GRANT_REF(ref));
350 	gnttab_grant_foreign_transfer_ref(ref, domid, pfn);
352 	return (ref);
356 gnttab_grant_foreign_transfer_ref(grant_ref_t ref, domid_t domid, pfn_t pfn)
358 	ASSERT(VALID_GRANT_REF(ref));
360 	shared[ref].frame = pfn;
361 	shared[ref].domid = domid;
363 	shared[ref].flags = GTF_accept_transfer;
367 gnttab_end_foreign_transfer_ref(grant_ref_t ref)
372 	ASSERT(VALID_GRANT_REF(ref));
378 	while (!((flags = shared[ref].flags) & GTF_transfer_committed)) {
379 		if (CMPXCHG(&shared[ref].flags, flags, 0) == flags)
386 		flags = shared[ref].flags;
392 	frame = shared[ref].frame;
399 gnttab_end_foreign_transfer(grant_ref_t ref)
403 	ASSERT(VALID_GRANT_REF(ref));
405 	frame = gnttab_end_foreign_transfer_ref(ref);
406 	put_free_entry(ref);
411 gnttab_free_grant_reference(grant_ref_t ref)
413 	ASSERT(VALID_GRANT_REF(ref));
415 	put_free_entry(ref);
421 	grant_ref_t ref;
427 	ref = head;
428 	while (GNTTAB_ENTRY(ref) != GNTTAB_LIST_END) {
429 		ref = GNTTAB_ENTRY(ref);
432 	GNTTAB_ENTRY(ref) = gnttab_free_head;