crypto/via/padlock.c

69     struct padlock_session *ses, int locked);
146 	struct padlock_session *ses;
149 	TAILQ_FOREACH(ses, &sc->sc_sessions, ses_next) {
150 		if (ses->ses_used) {
157 	while ((ses = TAILQ_FIRST(&sc->sc_sessions)) != NULL) {
158 		TAILQ_REMOVE(&sc->sc_sessions, ses, ses_next);
159 		fpu_kern_free_ctx(ses->ses_fpu_ctx);
160 		free(ses, M_PADLOCK);
171 	struct padlock_session *ses = NULL;
219 	ses = TAILQ_FIRST(&sc->sc_sessions);
220 	if (ses == NULL || ses->ses_used) {
221 		ses = malloc(sizeof(*ses), M_PADLOCK, M_NOWAIT | M_ZERO);
222 		if (ses == NULL) {
226 		ses->ses_fpu_ctx = fpu_kern_alloc_ctx(FPU_KERN_NORMAL |
228 		if (ses->ses_fpu_ctx == NULL) {
229 			free(ses, M_PADLOCK);
233 		ses->ses_id = sc->sc_sid++;
235 		TAILQ_REMOVE(&sc->sc_sessions, ses, ses_next);
237 	ses->ses_used = 1;
238 	TAILQ_INSERT_TAIL(&sc->sc_sessions, ses, ses_next);
241 	error = padlock_cipher_setup(ses, encini);
243 		padlock_freesession_one(sc, ses, 0);
249 		error = fpu_kern_enter(td, ses->ses_fpu_ctx, FPU_KERN_NORMAL |
252 			error = padlock_hash_setup(ses, macini);
253 			fpu_kern_leave(td, ses->ses_fpu_ctx);
256 			padlock_freesession_one(sc, ses, 0);
261 	*sidp = ses->ses_id;
266 padlock_freesession_one(struct padlock_softc *sc, struct padlock_session *ses,
270 	uint32_t sid = ses->ses_id;
274 	TAILQ_REMOVE(&sc->sc_sessions, ses, ses_next);
275 	padlock_hash_free(ses);
276 	ctx = ses->ses_fpu_ctx;
277 	bzero(ses, sizeof(*ses));
278 	ses->ses_used = 0;
279 	ses->ses_id = sid;
280 	ses->ses_fpu_ctx = ctx;
281 	TAILQ_INSERT_HEAD(&sc->sc_sessions, ses, ses_next);
290 	struct padlock_session *ses;
294 	TAILQ_FOREACH_REVERSE(ses, &sc->sc_sessions, padlock_sessions_head,
296 		if (ses->ses_id == sid)
299 	if (ses == NULL) {
303 	padlock_freesession_one(sc, ses, 1);
312 	struct padlock_session *ses = NULL;
359 	TAILQ_FOREACH_REVERSE(ses, &sc->sc_sessions, padlock_sessions_head,
361 		if (ses->ses_id == (crp->crp_sid & 0xffffffff))
365 	if (ses == NULL) {
372 		error = padlock_hash_process(ses, maccrd, crp);
377 	error = padlock_cipher_process(ses, enccrd, crp);
383 		error = padlock_hash_process(ses, maccrd, crp);
394 	if (ses != NULL && maccrd != NULL &&
396 		padlock_free_ctx(ses->ses_axf, ses->ses_ictx);
397 		padlock_free_ctx(ses->ses_axf, ses->ses_octx);