s390/crypto/pkey_base.c

11 #include <linux/cpufeature.h>
12 #include <linux/export.h>
13 #include <linux/init.h>
14 #include <linux/list.h>
15 #include <linux/module.h>
16 #include <linux/rculist.h>
18 #include "pkey_base.h"
39 	const struct pkey_handler *h;
52 	list_for_each_entry_rcu(h, &handler_list, list) {
53 		if (h == handler) {
96 	const struct pkey_handler *h;
99 	list_for_each_entry_rcu(h, &handler_list, list) {
100 		if (!try_module_get(h->module))
102 		if (h->is_supported_key(key, keylen)) {
104 			return h;
106 		module_put(h->module);
116 	const struct pkey_handler *h;
119 	list_for_each_entry_rcu(h, &handler_list, list) {
120 		if (!try_module_get(h->module))
122 		if (h->is_supported_keytype(kt)) {
124 			return h;
126 		module_put(h->module);
136 	const struct pkey_handler *h;
142 	list_for_each_entry_rcu(h, &handler_list, list) {
143 		if (h == handler) {
144 			module_put(h->module);
157 	const struct pkey_handler *h;
160 	h = pkey_handler_get_keybased(key, keylen);
161 	if (h && h->key_to_protkey) {
162 		rc = h->key_to_protkey(apqns, nr_apqns, key, keylen,
166 	pkey_handler_put(h);
184 	const struct pkey_handler *h, *htmp[10];
188 	list_for_each_entry_rcu(h, &handler_list, list) {
189 		if (!try_module_get(h->module))
191 		if (h->slowpath_key_to_protkey && n < ARRAY_SIZE(htmp))
192 			htmp[n++] = h;
194 			module_put(h->module);
199 		h = htmp[i];
201 			rc = h->slowpath_key_to_protkey(apqns, nr_apqns,
205 		module_put(h->module);
217 	const struct pkey_handler *h;
220 	h = pkey_handler_get_keytypebased(keysubtype);
221 	if (h && h->gen_key) {
222 		rc = h->gen_key(apqns, nr_apqns, keytype, keysubtype,
226 	pkey_handler_put(h);
239 	const struct pkey_handler *h;
242 	h = pkey_handler_get_keytypebased(keysubtype);
243 	if (h && h->clr_to_key) {
244 		rc = h->clr_to_key(apqns, nr_apqns, keytype, keysubtype,
248 	pkey_handler_put(h);
259 	const struct pkey_handler *h;
262 	h = pkey_handler_get_keybased(key, keylen);
263 	if (h && h->verify_key) {
264 		rc = h->verify_key(key, keylen, card, dom,
267 	pkey_handler_put(h);
277 	const struct pkey_handler *h;
280 	h = pkey_handler_get_keybased(key, keylen);
281 	if (h && h->apqns_for_key)
282 		rc = h->apqns_for_key(key, keylen, flags, apqns, nr_apqns,
284 	pkey_handler_put(h);
295 	const struct pkey_handler *h;
298 	h = pkey_handler_get_keytypebased(keysubtype);
299 	if (h && h->apqns_for_keytype) {
300 		rc = h->apqns_for_keytype(keysubtype,
304 	pkey_handler_put(h);
330 		const struct pkey_handler *h;
334 		list_for_each_entry_rcu(h, &handler_list, list) {
335 			if (h->module &&
336 			    !strcmp(h->module->name, pkey_handler_modules[i])) {