1248 	struct devmap_softlock *slock,  in devmap_softlock_enter()  argument
1254 	mutex_enter(&(slock->lock));  in devmap_softlock_enter()
1257 		while (slock->softlocked) {  in devmap_softlock_enter()
1258 			if (cv_wait_sig(&(slock)->cv, &(slock)->lock) == 0) {  in devmap_softlock_enter()
1260 				mutex_exit(&(slock->lock));  in devmap_softlock_enter()
1264 		slock->softlocked -= npages; /* -ve count => locked */  in devmap_softlock_enter()
1268 		while (slock->softlocked < 0)  in devmap_softlock_enter()
1269 			if (cv_wait_sig(&(slock)->cv, &(slock)->lock) == 0) {  in devmap_softlock_enter()
1271 				mutex_exit(&(slock->lock));  in devmap_softlock_enter()
1274 		slock->softlocked += npages; /* +ve count => f_invals */  in devmap_softlock_enter()
1279 	mutex_exit(&(slock->lock));  in devmap_softlock_enter()
1284 	struct devmap_softlock *slock,  in devmap_softlock_exit()  argument
1288 	if (slock == NULL)  in devmap_softlock_exit()
1290 	mutex_enter(&(slock->lock));  in devmap_softlock_exit()
1293 		ASSERT(-slock->softlocked >= npages);  in devmap_softlock_exit()
1294 		slock->softlocked += npages;	/* -ve count is softlocked */  in devmap_softlock_exit()
1295 		if (slock->softlocked == 0)  in devmap_softlock_exit()
1296 			cv_signal(&slock->cv);  in devmap_softlock_exit()
1300 		ASSERT(slock->softlocked >= npages);  in devmap_softlock_exit()
1301 		slock->softlocked -= npages;  in devmap_softlock_exit()
1302 		if (slock->softlocked == 0)  in devmap_softlock_exit()
1303 			cv_signal(&slock->cv);  in devmap_softlock_exit()
1308 	mutex_exit(&(slock->lock));  in devmap_softlock_exit()
1606 	struct devmap_softlock *slock = NULL;  in segdev_fault()  local
1744 				slock = dhpp->dh_softlock;  in segdev_fault()
1767 		if (err = devmap_softlock_enter(slock, slpage, type))  in segdev_fault()
1856 				devmap_softlock_exit(slock,  in segdev_fault()
1859 				devmap_softlock_exit(slock, slpage, type);  in segdev_fault()
1886 		devmap_softlock_exit(slock, slpage, type);  in segdev_fault()
2905 	struct devmap_softlock *slock;  in devmap_softlock_init()  local
2914 	for (slock = devmap_slist; slock != NULL; slock = slock->next)  in devmap_softlock_init()
2915 		if ((slock->dev == dev) && (slock->id == id))  in devmap_softlock_init()
2918 	if (slock == NULL) {  in devmap_softlock_init()
2919 		slock = tmp;  in devmap_softlock_init()
2920 		slock->dev = dev;  in devmap_softlock_init()
2921 		slock->id = id;  in devmap_softlock_init()
2922 		mutex_init(&slock->lock, NULL, MUTEX_DEFAULT, NULL);  in devmap_softlock_init()
2923 		cv_init(&slock->cv, NULL, CV_DEFAULT, NULL);  in devmap_softlock_init()
2924 		slock->next = devmap_slist;  in devmap_softlock_init()
2925 		devmap_slist = slock;  in devmap_softlock_init()
2929 	mutex_enter(&slock->lock);  in devmap_softlock_init()
2930 	slock->refcnt++;  in devmap_softlock_init()
2931 	mutex_exit(&slock->lock);  in devmap_softlock_init()
2934 	return (slock);  in devmap_softlock_init()
2944 	struct devmap_softlock *slock = dhp->dh_softlock;  in devmap_softlock_rele()  local
2952 	mutex_enter(&slock->lock);  in devmap_softlock_rele()
2954 	ASSERT(slock->refcnt > 0);  in devmap_softlock_rele()
2956 	slock->refcnt--;  in devmap_softlock_rele()
2961 	if (slock->refcnt == 0) {  in devmap_softlock_rele()
2962 		slock->softlocked = 0;  in devmap_softlock_rele()
2963 		cv_signal(&slock->cv);  in devmap_softlock_rele()
2965 		if (devmap_slist == slock)  in devmap_softlock_rele()
2966 			devmap_slist = slock->next;  in devmap_softlock_rele()
2971 				if (tmp == slock) {  in devmap_softlock_rele()
2978 		mutex_exit(&slock->lock);  in devmap_softlock_rele()
2979 		mutex_destroy(&slock->lock);  in devmap_softlock_rele()
2980 		cv_destroy(&slock->cv);  in devmap_softlock_rele()
2981 		kmem_free(slock, sizeof (struct devmap_softlock));  in devmap_softlock_rele()
2983 		mutex_exit(&slock->lock);  in devmap_softlock_rele()
3143 	struct devmap_softlock *slock = NULL;  in devmap_setup()  local
3241 			if (slock == NULL)  in devmap_setup()
3242 				slock = dhp->dh_softlock;  in devmap_setup()
3243 			if (slock != dhp->dh_softlock) {  in devmap_setup()