common/os/driver_lyr.c

93 #define	LI_HASH(mid, dip, dev)	(ident_hash_func(mid, dip, dev) % LI_HASH_SZ)
178 ident_hash_func(modid_t modid, dev_info_t *dip, dev_t dev)
184 	} else if (dev != DDI_DEV_T_NONE) {
185 		return (modid + getminor(dev) + getmajor(dev));
192 ident_find_ref_nolock(modid_t modid, dev_info_t *dip, dev_t dev, major_t major)
195 	uint_t			index = LI_HASH(modid, dip, dev);
205 		    ((*lipp)->li_dev == dev))
214 ident_alloc(char *mod_name, dev_info_t *dip, dev_t dev, major_t major)
230 	index = LI_HASH(modid, dip, dev);
232 	lipp = ident_find_ref_nolock(modid, dip, dev, major);
250 	lip->li_dev = dev;
517 ldi_vp_from_dev(dev_t dev, int otyp, vnode_t **vpp)
523 	if ((dev == DDI_DEV_T_NONE) || (!OTYP_VALID(otyp)) || (vpp == NULL))
526 	if ((dip = e_ddi_hold_devi_by_dev(dev, 0)) == NULL)
529 	vp = makespecvp(dev, OTYP_TO_VTYP(otyp));
580 		dev_t		dev;
601 		ret = resolve_pathname(path, &dip, &dev, &spec_type);
606 		vp = makespecvp(dev, STYP_TO_VTYP(spec_type));
616 ldi_devid_match(ddi_devid_t devid, dev_info_t *dip, dev_t dev)
650 	propp = i_ddi_prop_search(dev,
679 	dev_t			dev, *devs;
690 		dev = devs[i];
692 		if ((dip = e_ddi_hold_devi_by_dev(dev, 0)) == NULL)
709 		    ldi_devid_match(devid, dip, dev))
721 	vp = makespecvp(dev, STYP_TO_VTYP(styp));
783 i_ldi_prop_op(dev_t dev, dev_info_t *dip, ddi_prop_op_t prop_op,
814 		dev = DDI_DEV_T_ANY;
817 	res = cdev_prop_op(dev, dip, prop_op, flags, name, valuep, lengthp);
845 i_ldi_prop_op_typed(dev_t dev, dev_info_t *dip, int flags, char *name,
858 	res = i_ldi_prop_op(dev, dip, PROP_LEN,
885 	res = i_ldi_prop_op(dev, dip, PROP_LEN_AND_VAL_BUF,
1000 	dev_t		dev;
1005 	dev = vp->v_rdev;
1011 	} else if (dev != DDI_DEV_T_NONE) {
1012 		dip = e_ddi_hold_devi_by_dev(dev, 0);
1016 	ldi_usage->tgt_name = mod_major_to_name(getmajor(dev));
1018 	ldi_usage->tgt_devt = dev;
1032 	dev_t		dev;
1039 	dev = lip->li_dev;
1045 	} else if (dev != DDI_DEV_T_NONE) {
1046 		dip = e_ddi_hold_devi_by_dev(dev, 0);
1052 	ldi_usage.src_devt = dev;
1064 	if (((lip->li_major == -1) && (dev == DDI_DEV_T_NONE)) ||
1120 	if (dev != DDI_DEV_T_NONE)
1121 		major = getmajor(dev);
1472 	dev_t			dev;
1484 	dev = stp->sd_vnode->v_rdev;
1485 	name = mod_major_to_name(getmajor(dev));
1488 	*lip = (ldi_ident_t)ident_alloc(name, NULL, dev, -1);
1492 	    "ldi_ident_from_stream", (void *)*lip, name, getminor(dev),
1499 ldi_ident_from_dev(dev_t dev, ldi_ident_t *lip)
1508 	name = mod_major_to_name(getmajor(dev));
1511 	*lip = (ldi_ident_t)ident_alloc(name, NULL, dev, -1);
1515 	    "ldi_ident_from_dev", (void *)*lip, name, getminor(dev)));
1765 	dev_t			dev;
1772 	dev = vp->v_rdev;
1774 		ret = cdev_read(dev, uiop, credp);
1788 	dev_t			dev;
1795 	dev = vp->v_rdev;
1797 		ret = cdev_write(dev, uiop, credp);
1922 	dev_t			dev;
1943 	dev = vp->v_rdev;
1945 		ret = cdev_ioctl(dev, cmd, arg, mode, cr, rvalp);
1972 	dev_t			dev;
1979 	dev = vp->v_rdev;
1981 		ret = cdev_poll(dev, events, anyyet, reventsp, phpp);
1996 	dev_t			dev;
2014 	dev = handlep->lh_vp->v_rdev;
2022 		dip = e_ddi_hold_devi_by_dev(dev, 0);
2027 	ret = i_ldi_prop_op(dev, dip, prop_op, flags, name, valuep, length);
2037 	dev_t			dev;
2043 	dev = handlep->lh_vp->v_rdev;
2047 	bp->b_edev = dev;
2048 	bp->b_dev = cmpdev(dev);
2056 	dev_t			dev;
2062 	dev = handlep->lh_vp->v_rdev;
2066 	return (bdev_dump(dev, addr, blkno, nblk));
2074 	dev_t			dev;
2080 	dev = handlep->lh_vp->v_rdev;
2084 	return (cdev_devmap(dev, dhp, off, len, maplen, model));
2091 	dev_t			dev;
2104 	dev = handlep->lh_vp->v_rdev;
2105 	cb = devopsp[getmajor(dev)]->devo_cb_ops;
2112 	return (cb->cb_aread(dev, aio_reqp, cr));
2120 	dev_t			dev;
2132 	dev = handlep->lh_vp->v_rdev;
2133 	cb = devopsp[getmajor(dev)]->devo_cb_ops;
2140 	return (cb->cb_awrite(dev, aio_reqp, cr));
2233 	dev_t			dev;
2238 	dev = handlep->lh_vp->v_rdev;
2240 	ret = ddi_lyr_get_devid(dev, devid);
2252 	dev_t			dev;
2257 	dev = handlep->lh_vp->v_rdev;
2260 	ret = ddi_lyr_get_minor_name(dev, OTYP_TO_STYP(otyp), minor_name);
2273 	dev_t			dev;
2280 	dev = handlep->lh_vp->v_rdev;
2288 		dip = e_ddi_hold_devi_by_dev(dev, 0);
2294 		dev = DDI_DEV_T_ANY;
2300 		res = i_ldi_prop_op_typed(dev, dip, flags, name,
2314 	res = ddi_prop_lookup_int_array(dev, dip, flags,
2329 	dev_t			dev;
2336 	dev = handlep->lh_vp->v_rdev;
2344 		dip = e_ddi_hold_devi_by_dev(dev, 0);
2350 		dev = DDI_DEV_T_ANY;
2357 		res = i_ldi_prop_op_typed(dev, dip, flags, name,
2371 	res = ddi_prop_lookup_int64_array(dev, dip, flags,
2386 	dev_t			dev;
2393 	dev = handlep->lh_vp->v_rdev;
2401 		dip = e_ddi_hold_devi_by_dev(dev, 0);
2407 		dev = DDI_DEV_T_ANY;
2414 		res = i_ldi_prop_op_typed(dev, dip, flags, name,
2446 	res = ddi_prop_lookup_string_array(dev, dip, flags,
2461 	dev_t			dev;
2468 	dev = handlep->lh_vp->v_rdev;
2476 		dip = e_ddi_hold_devi_by_dev(dev, 0);
2482 		dev = DDI_DEV_T_ANY;
2489 		res = i_ldi_prop_op_typed(dev, dip, flags, name,
2508 	res = ddi_prop_lookup_string(dev, dip, flags, name, data);
2539 	dev_t			dev;
2546 	dev = handlep->lh_vp->v_rdev;
2554 		dip = e_ddi_hold_devi_by_dev(dev, 0);
2560 		dev = DDI_DEV_T_ANY;
2567 		res = i_ldi_prop_op_typed(dev, dip, flags, name,
2581 	res = ddi_prop_lookup_byte_array(dev, dip, flags,
2596 	dev_t			dev;
2603 	dev = handlep->lh_vp->v_rdev;
2611 		dip = e_ddi_hold_devi_by_dev(dev, 0);
2617 		dev = DDI_DEV_T_ANY;
2629 		res = i_ldi_prop_op(dev, dip, PROP_LEN_AND_VAL_BUF,
2643 	res = ddi_prop_get_int(dev, dip, flags, name, defvalue);
2657 	dev_t			dev;
2664 	dev = handlep->lh_vp->v_rdev;
2672 		dip = e_ddi_hold_devi_by_dev(dev, 0);
2678 		dev = DDI_DEV_T_ANY;
2690 		res = i_ldi_prop_op(dev, dip, PROP_LEN_AND_VAL_BUF,
2704 	res = ddi_prop_get_int64(dev, dip, flags, name, defvalue);
2717 	dev_t			dev;
2724 	dev = handlep->lh_vp->v_rdev;
2732 		dip = e_ddi_hold_devi_by_dev(dev, 0);
2740 		dev = DDI_DEV_T_ANY;
2747 	res = i_ldi_prop_op(dev, dip, PROP_LEN,
2756 	res = ddi_prop_exists(dev, dip, flags, name);
2769 	dev_t			dev;
2780 	dev = handlep->lh_vp->v_rdev;
2788 		dip = e_ddi_hold_devi_by_dev(dev, 0);
2811 	dev_t			dev;
2820 	dev = handlep->lh_vp->v_rdev;
2828 		dip = e_ddi_hold_devi_by_dev(dev, 0);
3071 	dev_t			dev;
3102 	dev = handlep->lh_vp->v_rdev;
3110 		dip = e_ddi_hold_devi_by_dev(dev, 0);
3162 	dev_t			dev;
3186 	dev = lhp->lh_vp->v_rdev;
3193 		dip = e_ddi_hold_devi_by_dev(dev, 0);
3269     dev_t dev, int spec_type)
3273 	ASSERT(dev != DDI_DEV_T_NONE);
3274 	ASSERT(dev != NODEV);
3275 	ASSERT((dev == DDI_DEV_T_ANY && spec_type == 0) ||
3286 	if (dev != DDI_DEV_T_ANY) {
3287 		if (dev != lecp->lec_dev || spec_type != lecp->lec_spec)
3310 ldi_invoke_notify(dev_info_t *dip, dev_t dev, int spec_type, char *event,
3319 	ASSERT(dev != DDI_DEV_T_NONE);
3320 	ASSERT(dev != NODEV);
3321 	ASSERT((dev == DDI_DEV_T_ANY && spec_type == 0) ||
3336 		if (!ldi_ev_device_match(lecp, dip, dev, spec_type))
3394 		if (!ldi_ev_device_match(lecp, dip, dev, spec_type))
3464 	dev_t		dev;
3491 	dev = makedevice(major, minor);
3499 	retc = contract_device_negotiate(dip, dev, spec_type, ct_evtype);
3506 	retl = ldi_invoke_notify(dip, dev, spec_type, evname, ev_data);
3510 		contract_device_negend(dip, dev, spec_type, CT_EV_FAILURE);
3534 ldi_invoke_finalize(dev_info_t *dip, dev_t dev, int spec_type, char *event,
3543 	ASSERT(dev != DDI_DEV_T_NONE);
3544 	ASSERT(dev != NODEV);
3545 	ASSERT((dev == DDI_DEV_T_ANY && spec_type == 0) ||
3567 		if (!ldi_ev_device_match(lecp, dip, dev, spec_type))
3627 	dev_t dev;
3650 	dev = makedevice(major, minor);
3656 	contract_device_finalize(dip, dev, spec_type, ct_evtype, ct_result);
3659 	ldi_invoke_finalize(dip, dev, spec_type, evname, ldi_result, ev_data);