common/os/driver_lyr.c

348 	struct ldi_handle	*lhp, **lhpp, *retlhp;
354 	lhp = kmem_zalloc(sizeof (*lhp), KM_SLEEP);
373 		kmem_free(lhp, sizeof (struct ldi_handle));
378 	lhp->lh_ref = 1;
379 	lhp->lh_vp = vp;
380 	lhp->lh_ident = ident;
382 	mutex_init(lhp->lh_lock, NULL, MUTEX_DEFAULT, NULL);
386 	lhp->lh_type = 0;
389 		lhp->lh_type |= LH_STREAM;
391 		lhp->lh_type |= LH_CBDEV;
400 	lhp->lh_next = ldi_handle_hash[index];
401 	ldi_handle_hash[index] = lhp;
406 	    (void *)lhp, (void *)ident, (void *)vp,
411 	return (lhp);
415 handle_release(struct ldi_handle *lhp)
420 	ASSERT(lhp != NULL);
422 	index = LH_HASH(lhp->lh_vp);
427 	    (void *)lhp, (void *)lhp->lh_ident, (void *)lhp->lh_vp,
428 	    mod_major_to_name(getmajor(lhp->lh_vp->v_rdev)),
429 	    getminor(lhp->lh_vp->v_rdev)));
431 	ASSERT(lhp->lh_ref > 0);
432 	if (--lhp->lh_ref > 0) {
439 	lhpp = handle_find_ref_nolock(lhp->lh_vp, lhp->lh_ident);
441 	*lhpp = lhp->lh_next;
445 	VN_RELE(lhp->lh_vp);
446 	ident_release(lhp->lh_ident);
448 	mutex_destroy(lhp->lh_lock);
450 	kmem_free(lhp, sizeof (struct ldi_handle));
460 	struct ldi_handle *lhp = lep->le_lhp;
462 	ASSERT(lhp != NULL);
464 	mutex_enter(lhp->lh_lock);
465 	if (lhp->lh_events == NULL) {
466 		lhp->lh_events = lep;
467 		mutex_exit(lhp->lh_lock);
471 	lep->le_next = lhp->lh_events;
472 	lhp->lh_events->le_prev = lep;
473 	lhp->lh_events = lep;
474 	mutex_exit(lhp->lh_lock);
480 	struct ldi_handle *lhp = lep->le_lhp;
482 	ASSERT(lhp != NULL);
484 	mutex_enter(lhp->lh_lock);
489 	if (lhp->lh_events == lep)
490 		lhp->lh_events = lep->le_next;
491 	mutex_exit(lhp->lh_lock);
732     ldi_handle_t *lhp, struct ldi_ident *li)
739 	ASSERT((lhp != NULL) && (li != NULL));
777 	*lhp = (ldi_handle_t)nlhp;
1162 	struct ldi_handle	*lhp;
1171 		lhp = ldi_handle_hash[i];
1172 		while ((lhp != NULL) && (ret == LDI_USAGE_CONTINUE)) {
1173 			lip = lhp->lh_ident;
1174 			vp = lhp->lh_vp;
1179 			lhp = lhp->lh_next;
1212 	struct ldi_handle	*lhp = (struct ldi_handle *)arg;
1217 	if (lhp == NULL)
1220 	vpdown = lhp->lh_vp;
1368 	struct ldi_handle	*lhp;
1413 	lhp = handle_find(vp, (struct ldi_ident *)li);
1414 	handle_release(lhp);
1588     ldi_handle_t *lhp, ldi_ident_t li)
1596 	    (lhp == NULL) || (lip == NULL))
1604 	if ((ret = ldi_open_by_vp(&vp, flag, cr, lhp, lip)) == 0) {
1615     ldi_handle_t *lhp, ldi_ident_t li)
1623 	    (cr == NULL) || (lhp == NULL) || (lip == NULL))
1631 	ret = ldi_open_by_vp(&vp, flag, cr, lhp, lip);
1640     int flag, cred_t *cr, ldi_handle_t *lhp, ldi_ident_t li)
1648 	    (lhp == NULL) || (lip == NULL))
1656 	ret = ldi_open_by_vp(&vp, flag, cr, lhp, lip);
3160 	struct ldi_handle	*lhp = (struct ldi_handle *)lh;
3186 	dev = lhp->lh_vp->v_rdev;
3187 	csp = VTOCS(lhp->lh_vp);
3197 		    "LDI handle: %p", (void *)lhp);
3213 			    lhp->lh_ident->li_modname);
3241 	lecp->lec_lhp = lhp;
3242 	lecp->lec_dev = lhp->lh_vp->v_rdev;
3243 	lecp->lec_spec = VTYP_TO_STYP(lhp->lh_vp->v_type);