11 #include <linux/cpufeature.h>
12 #include <linux/init.h>
13 #include <linux/list.h>
14 #include <linux/module.h>
15 #include <linux/rculist.h>
17 #include "pkey_base.h"
38 	const struct pkey_handler *h;  in pkey_handler_register()  local
51 	list_for_each_entry_rcu(h, &handler_list, list) {  in pkey_handler_register()
52 		if (h == handler) {  in pkey_handler_register()
95 	const struct pkey_handler *h;  in pkey_handler_get_keybased()  local
98 	list_for_each_entry_rcu(h, &handler_list, list) {  in pkey_handler_get_keybased()
99 		if (!try_module_get(h->module))  in pkey_handler_get_keybased()
101 		if (h->is_supported_key(key, keylen)) {  in pkey_handler_get_keybased()
103 			return h;  in pkey_handler_get_keybased()
105 		module_put(h->module);  in pkey_handler_get_keybased()
115 	const struct pkey_handler *h;  in pkey_handler_get_keytypebased()  local
118 	list_for_each_entry_rcu(h, &handler_list, list) {  in pkey_handler_get_keytypebased()
119 		if (!try_module_get(h->module))  in pkey_handler_get_keytypebased()
121 		if (h->is_supported_keytype(kt)) {  in pkey_handler_get_keytypebased()
123 			return h;  in pkey_handler_get_keytypebased()
125 		module_put(h->module);  in pkey_handler_get_keytypebased()
135 	const struct pkey_handler *h;  in pkey_handler_put()  local
141 	list_for_each_entry_rcu(h, &handler_list, list) {  in pkey_handler_put()
142 		if (h == handler) {  in pkey_handler_put()
143 			module_put(h->module);  in pkey_handler_put()
155 	const struct pkey_handler *h;  in pkey_handler_key_to_protkey()  local
158 	h = pkey_handler_get_keybased(key, keylen);  in pkey_handler_key_to_protkey()
159 	if (h && h->key_to_protkey) {  in pkey_handler_key_to_protkey()
160 		rc = h->key_to_protkey(apqns, nr_apqns, key, keylen,  in pkey_handler_key_to_protkey()
164 	pkey_handler_put(h);  in pkey_handler_key_to_protkey()
182 	const struct pkey_handler *h, *htmp[10];  in pkey_handler_slowpath_key_to_protkey()  local
186 	list_for_each_entry_rcu(h, &handler_list, list) {  in pkey_handler_slowpath_key_to_protkey()
187 		if (!try_module_get(h->module))  in pkey_handler_slowpath_key_to_protkey()
189 		if (h->slowpath_key_to_protkey && n < ARRAY_SIZE(htmp))  in pkey_handler_slowpath_key_to_protkey()
190 			htmp[n++] = h;  in pkey_handler_slowpath_key_to_protkey()
192 			module_put(h->module);  in pkey_handler_slowpath_key_to_protkey()
197 		h = htmp[i];  in pkey_handler_slowpath_key_to_protkey()
199 			rc = h->slowpath_key_to_protkey(apqns, nr_apqns,  in pkey_handler_slowpath_key_to_protkey()
203 		module_put(h->module);  in pkey_handler_slowpath_key_to_protkey()
215 	const struct pkey_handler *h;  in pkey_handler_gen_key()  local
218 	h = pkey_handler_get_keytypebased(keysubtype);  in pkey_handler_gen_key()
219 	if (h && h->gen_key) {  in pkey_handler_gen_key()
220 		rc = h->gen_key(apqns, nr_apqns, keytype, keysubtype,  in pkey_handler_gen_key()
224 	pkey_handler_put(h);  in pkey_handler_gen_key()
236 	const struct pkey_handler *h;  in pkey_handler_clr_to_key()  local
239 	h = pkey_handler_get_keytypebased(keysubtype);  in pkey_handler_clr_to_key()
240 	if (h && h->clr_to_key) {  in pkey_handler_clr_to_key()
241 		rc = h->clr_to_key(apqns, nr_apqns, keytype, keysubtype,  in pkey_handler_clr_to_key()
245 	pkey_handler_put(h);  in pkey_handler_clr_to_key()
255 	const struct pkey_handler *h;  in pkey_handler_verify_key()  local
258 	h = pkey_handler_get_keybased(key, keylen);  in pkey_handler_verify_key()
259 	if (h && h->verify_key) {  in pkey_handler_verify_key()
260 		rc = h->verify_key(key, keylen, card, dom,  in pkey_handler_verify_key()
263 	pkey_handler_put(h);  in pkey_handler_verify_key()
272 	const struct pkey_handler *h;  in pkey_handler_apqns_for_key()  local
275 	h = pkey_handler_get_keybased(key, keylen);  in pkey_handler_apqns_for_key()
276 	if (h && h->apqns_for_key)  in pkey_handler_apqns_for_key()
277 		rc = h->apqns_for_key(key, keylen, flags, apqns, nr_apqns);  in pkey_handler_apqns_for_key()
278 	pkey_handler_put(h);  in pkey_handler_apqns_for_key()
288 	const struct pkey_handler *h;  in pkey_handler_apqns_for_keytype()  local
291 	h = pkey_handler_get_keytypebased(keysubtype);  in pkey_handler_apqns_for_keytype()
292 	if (h && h->apqns_for_keytype) {  in pkey_handler_apqns_for_keytype()
293 		rc = h->apqns_for_keytype(keysubtype,  in pkey_handler_apqns_for_keytype()
297 	pkey_handler_put(h);  in pkey_handler_apqns_for_keytype()
323 		const struct pkey_handler *h;  in pkey_handler_request_modules()  local
327 		list_for_each_entry_rcu(h, &handler_list, list) {  in pkey_handler_request_modules()
328 			if (h->module &&  in pkey_handler_request_modules()
329 			    !strcmp(h->module->name, pkey_handler_modules[i])) {  in pkey_handler_request_modules()