s390/kernel/uv.c

44 	struct uv_cb_init uvcb = {
46 		.header.len = sizeof(uvcb),
51 	if (uv_call(0, (uint64_t)&uvcb)) {
53 		       uvcb.header.rc, uvcb.header.rrc);
94 	struct uv_cb_cfs uvcb = {
96 		.header.len = sizeof(uvcb),
100 	if (uv_call(0, (u64)&uvcb))
115 	struct uv_cb_cfs uvcb = {
117 		.header.len = sizeof(uvcb),
121 	if (uv_call(0, (u64)&uvcb)) {
126 		if (uvcb.header.rc == 0x107 && uvcb.header.rrc == 0xd)
170 	struct uv_cb_cfs uvcb = {
172 		.header.len = sizeof(uvcb),
176 	if (uv_call(0, (u64)&uvcb))
214  * @uvcb: the Ultravisor control block of the UVC to be performed
230 static bool should_export_before_import(struct uv_cb_header *uvcb, struct mm_struct *mm)
239 	if (uvcb->cmd == UVC_CMD_UNPIN_PAGE_SHARED)
268  * @uvcb: the uvcb that describes the UVC to be used
270  * The folio @folio will be made secure if possible, @uvcb will be passed
283 static int __make_folio_secure(struct folio *folio, struct uv_cb_header *uvcb)
301 	cc = __uv_call(0, (u64)uvcb);
311 	return uvcb->rc == 0x10a ? -ENXIO : -EINVAL;
314 static int make_folio_secure(struct mm_struct *mm, struct folio *folio, struct uv_cb_header *uvcb)
320 	if (should_export_before_import(uvcb, mm))
322 	rc = __make_folio_secure(folio, uvcb);
414 int make_hva_secure(struct mm_struct *mm, unsigned long hva, struct uv_cb_header *uvcb)
449 		rc = make_folio_secure(mm, folio, uvcb);
697 	struct uv_cb_query_keys uvcb = {
699 		.header.len = sizeof(uvcb)
702 	uv_call(0, (uint64_t)&uvcb);
703 	return uvcb;
715 	struct uv_cb_query_keys uvcb = uv_query_keys();
717 	return emit_hash(&uvcb.key_hashes[UVC_QUERY_KEYS_IDX_HK], buf, 0);
726 	struct uv_cb_query_keys uvcb = uv_query_keys();
728 	return emit_hash(&uvcb.key_hashes[UVC_QUERY_KEYS_IDX_BACK_HK], buf, 0);
737 	struct uv_cb_query_keys uvcb = uv_query_keys();
741 	for (i = 0; i < ARRAY_SIZE(uvcb.key_hashes); i++)
742 		len += emit_hash(uvcb.key_hashes + i, buf, len);
923 	struct uv_cb_retr_secr uvcb = {
924 		.header.len = sizeof(uvcb),
931 	uv_call_sched(0, (u64)&uvcb);
933 	switch (uvcb.header.rc) {