90 int okm_get_req(okms_t *okmsp, sckm_ioctl_getreq_t *ireqp,
92 int okm_process_req(okms_t *okmsp, okm_req_hdr_t *reqp, uint32_t len,
94 int okm_process_status(okms_t *okmsp, sckm_ioctl_status_t *ireply);
96 int okm_send_reply(okms_t *okmsp, uint32_t transid, uint32_t status,
98 int block_until_ready(okms_t *okmsp);
103 static void okm_cleanup(okms_t *okmsp);
104 static int okm_mbox_init(okms_t *okmsp);
105 static void okm_mbox_fini(okms_t *okmsp);
202 	okms_t *okmsp = &okms_global;  in okm_attach()  local
215 	okmsp->km_dip = dip;  in okm_attach()
216 	okmsp->km_major = ddi_driver_major(dip);  in okm_attach()
217 	okmsp->km_inst = instance;  in okm_attach()
228 	    &okmsp->km_ibcookie) != DDI_SUCCESS) {  in okm_attach()
232 	mutex_init(&okmsp->km_lock, NULL, MUTEX_DRIVER,  in okm_attach()
233 	    (void *)okmsp->km_ibcookie);  in okm_attach()
234 	okmsp->km_clean |= OKM_CLEAN_LOCK;  in okm_attach()
235 	cv_init(&okmsp->km_wait, NULL, CV_DRIVER, NULL);  in okm_attach()
236 	okmsp->km_clean |= OKM_CLEAN_CV;  in okm_attach()
242 	okmsp->km_clean |= OKM_CLEAN_NODE;  in okm_attach()
246 		okm_cleanup(okmsp);  in okm_attach()
250 	ddi_set_driver_private(dip, (caddr_t)okmsp);  in okm_attach()
264 	okms_t *okmsp;  in okm_detach()  local
270 	if ((okmsp = ddi_get_driver_private(dip)) == NULL) {  in okm_detach()
274 	mutex_enter(&okmsp->km_lock);  in okm_detach()
278 	if (okmsp->km_state & OKM_MB_INITED) {  in okm_detach()
279 		mutex_exit(&okmsp->km_lock);  in okm_detach()
283 	mutex_exit(&okmsp->km_lock);  in okm_detach()
284 	okm_cleanup(okmsp);  in okm_detach()
296 	okms_t	*okmsp = &okms_global;  in okm_info()  local
309 		if (okmsp->km_inst != minor) {  in okm_info()
312 			*result = okmsp->km_dip;  in okm_info()
338 	okms_t *okmsp = &okms_global;  in okm_open()  local
342 	mutex_enter(&okmsp->km_lock);  in okm_open()
343 	if (okmsp->km_state & OKM_OPENED) {  in okm_open()
345 		mutex_exit(&okmsp->km_lock);  in okm_open()
349 	okmsp->km_state |= OKM_OPENED;  in okm_open()
350 	ret = block_until_ready(okmsp);  in okm_open()
352 		okmsp->km_state &= ~OKM_OPENED;  in okm_open()
354 	mutex_exit(&okmsp->km_lock);  in okm_open()
366 block_until_ready(okms_t *okmsp)  in block_until_ready()  argument
371 	ASSERT(MUTEX_HELD(&okmsp->km_lock));  in block_until_ready()
373 	if (okmsp->km_state & OKM_MB_DISC) {  in block_until_ready()
375 		okm_mbox_fini(okmsp);  in block_until_ready()
377 	if (okmsp->km_state & OKM_MB_CONN) {  in block_until_ready()
384 	if ((ret = okm_mbox_init(okmsp)) != 0) {  in block_until_ready()
402 	okms_t *okmsp = &okms_global;  in okm_close()  local
406 	mutex_enter(&okmsp->km_lock);  in okm_close()
407 	okm_mbox_fini(okmsp);  in okm_close()
408 	okmsp->km_state = 0;  in okm_close()
409 	mutex_exit(&okmsp->km_lock);  in okm_close()
423 	okms_t *okmsp = &okms_global;  in okm_ioctl()  local
436 		ret = okm_get_req(okmsp, &ireq, data, flag);  in okm_ioctl()
447 		ret = okm_process_status(okmsp, &istatus);  in okm_ioctl()
465 okm_get_req(okms_t *okmsp, sckm_ioctl_getreq_t *ireqp, intptr_t data, int flag)  in okm_get_req()  argument
473 	mutex_enter(&okmsp->km_lock);  in okm_get_req()
474 	if ((ret = block_until_ready(okmsp)) != 0) {  in okm_get_req()
475 		mutex_exit(&okmsp->km_lock);  in okm_get_req()
480 	if (okmsp->km_reqp != NULL) {  in okm_get_req()
482 		reqp = okmsp->km_reqp;  in okm_get_req()
483 		len = okmsp->km_reqlen;  in okm_get_req()
484 		okmsp->km_reqp = NULL;  in okm_get_req()
485 		okmsp->km_reqlen = 0;  in okm_get_req()
488 		while (OKM_MBOX_READY(okmsp) &&  in okm_get_req()
489 		    ((ret = scf_mb_canget(okmsp->km_target,  in okm_get_req()
490 		    okmsp->km_key, &len)) != 0)) {  in okm_get_req()
494 				mutex_exit(&okmsp->km_lock);  in okm_get_req()
498 			if (cv_wait_sig(&okmsp->km_wait,  in okm_get_req()
499 			    &okmsp->km_lock) <= 0) {  in okm_get_req()
500 				mutex_exit(&okmsp->km_lock);  in okm_get_req()
505 		if (!OKM_MBOX_READY(okmsp)) {  in okm_get_req()
506 			mutex_exit(&okmsp->km_lock);  in okm_get_req()
512 		okmsp->km_sg_rcv.msc_dptr = msgbuf;  in okm_get_req()
513 		okmsp->km_sg_rcv.msc_len = len;  in okm_get_req()
516 		ret = scf_mb_getmsg(okmsp->km_target, okmsp->km_key, len, 1,  in okm_get_req()
517 		    &okmsp->km_sg_rcv, 0);  in okm_get_req()
524 			mutex_exit(&okmsp->km_lock);  in okm_get_req()
534 			mutex_exit(&okmsp->km_lock);  in okm_get_req()
547 			(void) okm_send_reply(okmsp, reqp->krq_transid,  in okm_get_req()
550 			mutex_exit(&okmsp->km_lock);  in okm_get_req()
558 	ret = okm_process_req(okmsp, reqp, len, ireqp, data, flag);  in okm_get_req()
559 	if (okmsp->km_reqp == NULL) {  in okm_get_req()
565 	mutex_exit(&okmsp->km_lock);  in okm_get_req()
578 okm_process_req(okms_t *okmsp, okm_req_hdr_t *reqp, uint32_t len,  in okm_process_req()  argument
591 			(void) okm_send_reply(okmsp, reqp->krq_transid,  in okm_process_req()
600 		okmsp->km_reqp = reqp;  in okm_process_req()
601 		okmsp->km_reqlen = len;  in okm_process_req()
630 		(void) okm_send_reply(okmsp, reqp->krq_transid,  in okm_process_req()
645 okm_process_status(okms_t *okmsp, sckm_ioctl_status_t *ireply)  in okm_process_status()  argument
650 	okm_req_hdr_t *reqp = okmsp->km_reqp;  in okm_process_status()
654 	mutex_enter(&okmsp->km_lock);  in okm_process_status()
655 	if ((ret = block_until_ready(okmsp)) != 0) {  in okm_process_status()
656 		mutex_exit(&okmsp->km_lock);  in okm_process_status()
663 	if (!okmsp->km_reqp || (reqp->krq_transid != ireply->transid)) {  in okm_process_status()
664 		mutex_exit(&okmsp->km_lock);  in okm_process_status()
706 	ret = okm_send_reply(okmsp, ireply->transid, status,  in okm_process_status()
712 		kmem_free(okmsp->km_reqp, okmsp->km_reqlen);  in okm_process_status()
713 		okmsp->km_reqp = NULL;  in okm_process_status()
714 		okmsp->km_reqlen = 0;  in okm_process_status()
716 	mutex_exit(&okmsp->km_lock);  in okm_process_status()
802 okm_cleanup(okms_t *okmsp)  in okm_cleanup()  argument
805 	ASSERT(okmsp != NULL);  in okm_cleanup()
806 	if (okmsp->km_clean & OKM_CLEAN_NODE) {  in okm_cleanup()
807 		ddi_remove_minor_node(okmsp->km_dip, NULL);  in okm_cleanup()
809 	if (okmsp->km_clean & OKM_CLEAN_LOCK)  in okm_cleanup()
810 		mutex_destroy(&okmsp->km_lock);  in okm_cleanup()
811 	if (okmsp->km_clean & OKM_CLEAN_CV)  in okm_cleanup()
812 		cv_destroy(&okmsp->km_wait);  in okm_cleanup()
813 	if (okmsp->km_reqp != NULL) {  in okm_cleanup()
814 		kmem_free(okmsp->km_reqp, okmsp->km_reqlen);  in okm_cleanup()
815 		okmsp->km_reqp = NULL;  in okm_cleanup()
816 		okmsp->km_reqlen = 0;  in okm_cleanup()
818 	ddi_set_driver_private(okmsp->km_dip, NULL);  in okm_cleanup()
825 okm_mbox_init(okms_t *okmsp)  in okm_mbox_init()  argument
830 	ASSERT(MUTEX_HELD(&okmsp->km_lock));  in okm_mbox_init()
831 	okmsp->km_target = OKM_TARGET_ID;  in okm_mbox_init()
832 	okmsp->km_key = DKMD_KEY;  in okm_mbox_init()
833 	okmsp->km_state &= ~OKM_MB_INITED;  in okm_mbox_init()
836 	while (!(okmsp->km_state & OKM_MB_CONN)) {  in okm_mbox_init()
838 		ret = scf_mb_init(okmsp->km_target, okmsp->km_key,  in okm_mbox_init()
839 		    okm_event_handler, (void *)okmsp);  in okm_mbox_init()
847 			okmsp->km_state |= OKM_MB_INITED;  in okm_mbox_init()
850 			while (!(okmsp->km_state &  in okm_mbox_init()
853 				if (cv_wait_sig(&okmsp->km_wait,  in okm_mbox_init()
854 				    &okmsp->km_lock) <= 0) {  in okm_mbox_init()
862 		if ((ret != 0) || (okmsp->km_state & OKM_MB_DISC)) {  in okm_mbox_init()
864 			if (okmsp->km_state & OKM_MB_INITED) {  in okm_mbox_init()
865 				(void) scf_mb_fini(okmsp->km_target,  in okm_mbox_init()
866 				    okmsp->km_key);  in okm_mbox_init()
868 			if (okmsp->km_state & OKM_MB_DISC) {  in okm_mbox_init()
875 			okmsp->km_state &= ~(OKM_MB_INITED | OKM_MB_DISC |  in okm_mbox_init()
889 			ret = cv_reltimedwait_sig(&okmsp->km_wait,  in okm_mbox_init()
890 			    &okmsp->km_lock, tout, TR_CLOCK_TICK);  in okm_mbox_init()
900 	ret = scf_mb_ctrl(okmsp->km_target, okmsp->km_key,  in okm_mbox_init()
901 	    SCF_MBOP_MAXMSGSIZE, &okmsp->km_maxsz);  in okm_mbox_init()
907 	if ((ret == 0) && (okmsp->km_maxsz < sizeof (okm_rep_hdr_t))) {  in okm_mbox_init()
909 		    "but found %d\n", sizeof (okm_rep_hdr_t), okmsp->km_maxsz);  in okm_mbox_init()
913 		okmsp->km_state &= ~OKM_MB_INITED;  in okm_mbox_init()
914 		(void) scf_mb_fini(okmsp->km_target, okmsp->km_key);  in okm_mbox_init()
924 okm_mbox_fini(okms_t *okmsp)  in okm_mbox_fini()  argument
928 	ASSERT(MUTEX_HELD(&okmsp->km_lock));  in okm_mbox_fini()
929 	if (okmsp->km_state & OKM_MB_INITED) {  in okm_mbox_fini()
931 		ret = scf_mb_fini(okmsp->km_target, okmsp->km_key);  in okm_mbox_fini()
937 		okmsp->km_state &= ~(OKM_MB_INITED | OKM_MB_CONN | OKM_MB_DISC);  in okm_mbox_fini()
951 	okms_t *okmsp = (okms_t *)arg;  in okm_event_handler()  local
954 	ASSERT(okmsp != NULL);  in okm_event_handler()
955 	mutex_enter(&okmsp->km_lock);  in okm_event_handler()
956 	if (!(okmsp->km_state & OKM_MB_INITED)) {  in okm_event_handler()
961 		mutex_exit(&okmsp->km_lock);  in okm_event_handler()
974 		okmsp->km_state |= OKM_MB_CONN;  in okm_event_handler()
975 		cv_broadcast(&okmsp->km_wait);  in okm_event_handler()
984 		if (OKM_MBOX_READY(okmsp)) {  in okm_event_handler()
985 			cv_broadcast(&okmsp->km_wait);  in okm_event_handler()
995 		if (OKM_MBOX_READY(okmsp)) {  in okm_event_handler()
996 			cv_broadcast(&okmsp->km_wait);  in okm_event_handler()
1001 		okmsp->km_state &= ~OKM_MB_CONN;  in okm_event_handler()
1002 		okmsp->km_state |= OKM_MB_DISC;  in okm_event_handler()
1003 		cv_broadcast(&okmsp->km_wait);  in okm_event_handler()
1008 	mutex_exit(&okmsp->km_lock);  in okm_event_handler()
1015 okm_send_reply(okms_t *okmsp, uint32_t transid,  in okm_send_reply()  argument
1022 	ASSERT(MUTEX_HELD(&okmsp->km_lock));  in okm_send_reply()
1028 	okmsp->km_sg_tx.msc_dptr = (caddr_t)&reply;  in okm_send_reply()
1029 	okmsp->km_sg_tx.msc_len = sizeof (reply);  in okm_send_reply()
1032 	while (OKM_MBOX_READY(okmsp)) {  in okm_send_reply()
1034 		ret = scf_mb_putmsg(okmsp->km_target, okmsp->km_key,  in okm_send_reply()
1035 		    sizeof (reply), 1, &okmsp->km_sg_tx, 0);  in okm_send_reply()
1039 			if (cv_timedwait_sig(&okmsp->km_wait,  in okm_send_reply()
1040 			    &okmsp->km_lock, okm_timeout_val(ret)) == 0) {  in okm_send_reply()