glue for ebus found on ultra 5 and later. From NetBSD.

1 files changed, 641 insertions, 0 deletions

diff --git a/sys/arch/sparc64/dev/ebus.c b/sys/arch/sparc64/dev/ebus.c
new file mode 100644
index 00000000000..56b1627ffe0
--- /dev/null
+++ b/sys/arch/sparc64/dev/ebus.c
@@ -0,0 +1,641 @@
+/*	$NetBSD: ebus.c,v 1.24 2001/07/25 03:49:54 eeh Exp $	*/
+
+/*
+ * Copyright (c) 1999, 2000 Matthew R. Green
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * UltraSPARC 5 and beyond ebus support.
+ *
+ * note that this driver is not complete:
+ *	- ebus2 dma code is completely unwritten
+ *	- interrupt establish is written and appears to work
+ *	- bus map code is written and appears to work
+ */
+
+#ifdef DEBUG
+#define	EDB_PROM	0x01
+#define EDB_CHILD	0x02
+#define	EDB_INTRMAP	0x04
+#define EDB_BUSMAP	0x08
+#define EDB_BUSDMA	0x10
+#define EDB_INTR	0x20
+int ebus_debug = 0x0;
+#define DPRINTF(l, s)   do { if (ebus_debug & l) printf s; } while (0)
+#else
+#define DPRINTF(l, s)
+#endif
+
+#include <sys/param.h>
+#include <sys/conf.h>
+#include <sys/device.h>
+#include <sys/errno.h>
+#include <sys/extent.h>
+#include <sys/malloc.h>
+#include <sys/systm.h>
+#include <sys/time.h>
+
+#define _SPARC_BUS_DMA_PRIVATE
+#include <machine/bus.h>
+#include <machine/autoconf.h>
+#include <machine/openfirm.h>
+
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcidevs.h>
+
+#include <sparc64/dev/iommureg.h>
+#include <sparc64/dev/iommuvar.h>
+#include <sparc64/dev/psychoreg.h>
+#include <sparc64/dev/psychovar.h>
+#include <sparc64/dev/ebusreg.h>
+#include <sparc64/dev/ebusvar.h>
+#include <sparc64/sparc64/cache.h>
+
+int	ebus_match __P((struct device *, void *, void *));
+void	ebus_attach __P((struct device *, struct device *, void *));
+
+struct cfattach ebus_ca = {
+	sizeof(struct ebus_softc), ebus_match, ebus_attach
+};
+
+struct cfdriver ebus_cd = {
+	NULL, "ebus", DV_DULL
+};
+
+
+int	ebus_setup_attach_args __P((struct ebus_softc *, int,
+	    struct ebus_attach_args *));
+void	ebus_destroy_attach_args __P((struct ebus_attach_args *));
+int	ebus_print __P((void *, const char *));
+void	ebus_find_ino __P((struct ebus_softc *, struct ebus_attach_args *));
+int	ebus_find_node __P((struct pci_attach_args *));
+
+/*
+ * here are our bus space and bus dma routines.
+ */
+static int ebus_bus_mmap __P((bus_space_tag_t, bus_type_t, bus_addr_t,
+				int, bus_space_handle_t *));
+static int _ebus_bus_map __P((bus_space_tag_t, bus_type_t, bus_addr_t,
+				bus_size_t, int, vaddr_t,
+				bus_space_handle_t *));
+static void *ebus_intr_establish __P((bus_space_tag_t, int, int, int,
+				int (*) __P((void *)), void *));
+
+static int ebus_dmamap_load __P((bus_dma_tag_t, bus_dmamap_t, void *,
+			  bus_size_t, struct proc *, int));
+static void ebus_dmamap_unload __P((bus_dma_tag_t, bus_dmamap_t));
+static void ebus_dmamap_sync __P((bus_dma_tag_t, bus_dmamap_t, bus_addr_t,
+				  bus_size_t, int));
+int ebus_dmamem_alloc __P((bus_dma_tag_t, bus_size_t, bus_size_t, bus_size_t,
+			   bus_dma_segment_t *, int, int *, int));
+void ebus_dmamem_free __P((bus_dma_tag_t, bus_dma_segment_t *, int));
+int ebus_dmamem_map __P((bus_dma_tag_t, bus_dma_segment_t *, int, size_t,
+			 caddr_t *, int));
+void ebus_dmamem_unmap __P((bus_dma_tag_t, caddr_t, size_t));
+
+int
+ebus_match(parent, match, aux)
+	struct device *parent;
+	void *match;
+	void *aux;
+{
+	struct pci_attach_args *pa = aux;
+	char name[10];
+	int node;
+
+	/* Only attach if there's a PROM node. */
+	node = PCITAG_NODE(pa->pa_tag);
+	if (node == -1) return (0);
+
+	/* Match a real ebus */
+	OF_getprop(node, "name", &name, sizeof(name));
+	if (PCI_CLASS(pa->pa_class) == PCI_CLASS_BRIDGE &&
+	    PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SUN &&
+	    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_EBUS &&
+		strcmp(name, "ebus") == 0)
+		return (1);
+
+	/* Or a PCI-ISA bridge XXX I hope this is on-board. */
+	if (PCI_CLASS(pa->pa_class) == PCI_CLASS_BRIDGE &&
+	    PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_BRIDGE_ISA) {
+		return (1);
+	}
+
+	return (0);
+}
+
+/*
+ * attach an ebus and all it's children.  this code is modeled
+ * after the sbus code which does similar things.
+ */
+void
+ebus_attach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	struct ebus_softc *sc = (struct ebus_softc *)self;
+	struct pci_attach_args *pa = aux;
+	struct ebus_attach_args eba;
+	struct ebus_interrupt_map_mask *immp;
+	int node, nmapmask, error;
+	char devinfo[256];
+
+	printf("\n");
+
+	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
+	printf("%s: %s, revision 0x%02x\n", self->dv_xname, devinfo,
+	    PCI_REVISION(pa->pa_class));
+
+	sc->sc_parent = (struct psycho_softc *)parent;
+	sc->sc_memtag = pa->pa_memt;
+	sc->sc_iotag = pa->pa_iot;
+	sc->sc_childbustag = ebus_alloc_bus_tag(sc, PCI_MEMORY_BUS_SPACE);
+	sc->sc_dmatag = ebus_alloc_dma_tag(sc, pa->pa_dmat);
+
+	node = PCITAG_NODE(pa->pa_tag);
+	if (node == -1)
+		panic("could not find ebus node");
+
+	sc->sc_node = node;
+
+	/*
+	 * fill in our softc with information from the prom
+	 */
+	sc->sc_intmap = NULL;
+	sc->sc_range = NULL;
+	error = getprop(node, "interrupt-map",
+			sizeof(struct ebus_interrupt_map),
+			&sc->sc_nintmap, (void **)&sc->sc_intmap);
+	switch (error) {
+	case 0:
+		immp = &sc->sc_intmapmask;
+		error = getprop(node, "interrupt-map-mask",
+			    sizeof(struct ebus_interrupt_map_mask), &nmapmask,
+			    (void **)&immp);
+		if (error)
+			panic("could not get ebus interrupt-map-mask");
+		if (nmapmask != 1)
+			panic("ebus interrupt-map-mask is broken");
+		break;
+	case ENOENT:
+		break;
+	default:
+		panic("ebus interrupt-map: error %d", error);
+		break;
+	}
+
+	error = getprop(node, "ranges", sizeof(struct ebus_ranges),
+	    &sc->sc_nrange, (void **)&sc->sc_range);
+	if (error)
+		panic("ebus ranges: error %d", error);
+
+	/*
+	 * now attach all our children
+	 */
+	DPRINTF(EDB_CHILD, ("ebus node %08x, searching children...\n", node));
+	for (node = firstchild(node); node; node = nextsibling(node)) {
+		char *name = getpropstring(node, "name");
+
+		if (ebus_setup_attach_args(sc, node, &eba) != 0) {
+			printf("ebus_attach: %s: incomplete\n", name);
+			continue;
+		} else {
+			DPRINTF(EDB_CHILD, ("- found child `%s', attaching\n",
+			    eba.ea_name));
+			(void)config_found(self, &eba, ebus_print);
+		}
+		ebus_destroy_attach_args(&eba);
+	}
+}
+
+int
+ebus_setup_attach_args(sc, node, ea)
+	struct ebus_softc	*sc;
+	int			node;
+	struct ebus_attach_args	*ea;
+{
+	int	n, rv;
+
+	bzero(ea, sizeof(struct ebus_attach_args));
+	rv = getprop(node, "name", 1, &n, (void **)&ea->ea_name);
+	if (rv != 0)
+		return (rv);
+	ea->ea_name[n] = '\0';
+
+	ea->ea_node = node;
+	ea->ea_bustag = sc->sc_childbustag;
+	ea->ea_dmatag = sc->sc_dmatag;
+
+	rv = getprop(node, "reg", sizeof(struct ebus_regs), &ea->ea_nregs,
+	    (void **)&ea->ea_regs);
+	if (rv)
+		return (rv);
+
+	rv = getprop(node, "address", sizeof(u_int32_t), &ea->ea_nvaddrs,
+	    (void **)&ea->ea_vaddrs);
+	if (rv != ENOENT) {
+		if (rv)
+			return (rv);
+
+		if (ea->ea_nregs != ea->ea_nvaddrs)
+			printf("ebus loses: device %s: %d regs and %d addrs\n",
+			    ea->ea_name, ea->ea_nregs, ea->ea_nvaddrs);
+	} else
+		ea->ea_nvaddrs = 0;
+
+	if (getprop(node, "interrupts", sizeof(u_int32_t), &ea->ea_nintrs,
+	    (void **)&ea->ea_intrs))
+		ea->ea_nintrs = 0;
+	else
+		ebus_find_ino(sc, ea);
+
+	return (0);
+}
+
+void
+ebus_destroy_attach_args(ea)
+	struct ebus_attach_args	*ea;
+{
+
+	if (ea->ea_name)
+		free((void *)ea->ea_name, M_DEVBUF);
+	if (ea->ea_regs)
+		free((void *)ea->ea_regs, M_DEVBUF);
+	if (ea->ea_intrs)
+		free((void *)ea->ea_intrs, M_DEVBUF);
+	if (ea->ea_vaddrs)
+		free((void *)ea->ea_vaddrs, M_DEVBUF);
+}
+
+int
+ebus_print(aux, p)
+	void *aux;
+	const char *p;
+{
+	struct ebus_attach_args *ea = aux;
+	int i;
+
+	if (p)
+		printf("%s at %s", ea->ea_name, p);
+	for (i = 0; i < ea->ea_nregs; i++)
+		printf("%s %x-%x", i == 0 ? " addr" : ",",
+		    ea->ea_regs[i].lo,
+		    ea->ea_regs[i].lo + ea->ea_regs[i].size - 1);
+	for (i = 0; i < ea->ea_nintrs; i++)
+		printf(" ipl %d", ea->ea_intrs[i]);
+	return (UNCONF);
+}
+
+
+/*
+ * find the INO values for each interrupt and fill them in.
+ *
+ * for each "reg" property of this device, mask it's hi and lo
+ * values with the "interrupt-map-mask"'s hi/lo values, and also
+ * mask the interrupt number with the interrupt mask.  search the
+ * "interrupt-map" list for matching values of hi, lo and interrupt
+ * to give the INO for this interrupt.
+ */
+void
+ebus_find_ino(sc, ea)
+	struct ebus_softc *sc;
+	struct ebus_attach_args *ea;
+{
+	u_int32_t hi, lo, intr;
+	int i, j, k;
+
+	if (sc->sc_nintmap == 0) {
+		for (i = 0; i < ea->ea_nintrs; i++) {
+			OF_mapintr(ea->ea_node, &ea->ea_intrs[i],
+				sizeof(ea->ea_intrs[0]),
+				sizeof(ea->ea_intrs[0]));
+		}
+		return;
+	}
+
+	DPRINTF(EDB_INTRMAP,
+	    ("ebus_find_ino: searching %d interrupts", ea->ea_nintrs));
+
+	for (j = 0; j < ea->ea_nintrs; j++) {
+
+		intr = ea->ea_intrs[j] & sc->sc_intmapmask.intr;
+
+		DPRINTF(EDB_INTRMAP,
+		    ("; intr %x masked to %x", ea->ea_intrs[j], intr));
+		for (i = 0; i < ea->ea_nregs; i++) {
+			hi = ea->ea_regs[i].hi & sc->sc_intmapmask.hi;
+			lo = ea->ea_regs[i].lo & sc->sc_intmapmask.lo;
+
+			DPRINTF(EDB_INTRMAP,
+			    ("; reg hi.lo %08x.%08x masked to %08x.%08x",
+			    ea->ea_regs[i].hi, ea->ea_regs[i].lo, hi, lo));
+			for (k = 0; k < sc->sc_nintmap; k++) {
+				DPRINTF(EDB_INTRMAP,
+				    ("; checking hi.lo %08x.%08x intr %x",
+				    sc->sc_intmap[k].hi, sc->sc_intmap[k].lo,
+				    sc->sc_intmap[k].intr));
+				if (hi == sc->sc_intmap[k].hi &&
+				    lo == sc->sc_intmap[k].lo &&
+				    intr == sc->sc_intmap[k].intr) {
+					ea->ea_intrs[j] =
+					    sc->sc_intmap[k].cintr;
+					DPRINTF(EDB_INTRMAP,
+					    ("; FOUND IT! changing to %d\n",
+					    sc->sc_intmap[k].cintr));
+					goto next_intr;
+				}
+			}
+		}
+next_intr:;
+	}
+}
+
+
+/*
+ * bus space and bus dma below here
+ */
+bus_space_tag_t
+ebus_alloc_bus_tag(sc, type)
+	struct ebus_softc *sc;
+	int type;
+{
+	bus_space_tag_t bt;
+
+	bt = (bus_space_tag_t)
+		malloc(sizeof(struct sparc_bus_space_tag), M_DEVBUF, M_NOWAIT);
+	if (bt == NULL)
+		panic("could not allocate ebus bus tag");
+
+	bzero(bt, sizeof *bt);
+	bt->cookie = sc;
+	bt->parent = sc->sc_memtag;
+	bt->type = type;
+	bt->sparc_bus_map = _ebus_bus_map;
+	bt->sparc_bus_mmap = ebus_bus_mmap;
+	bt->sparc_intr_establish = ebus_intr_establish;
+	return (bt);
+}
+
+/* XXX? */
+bus_dma_tag_t
+ebus_alloc_dma_tag(sc, pdt)
+	struct ebus_softc *sc;
+	bus_dma_tag_t pdt;
+{
+	bus_dma_tag_t dt;
+
+	dt = (bus_dma_tag_t)
+		malloc(sizeof(struct sparc_bus_dma_tag), M_DEVBUF, M_NOWAIT);
+	if (dt == NULL)
+		panic("could not allocate ebus dma tag");
+
+	bzero(dt, sizeof *dt);
+	dt->_cookie = sc;
+	dt->_parent = pdt;
+#define PCOPY(x)	dt->x = pdt->x
+	PCOPY(_dmamap_create);
+	PCOPY(_dmamap_destroy);
+	dt->_dmamap_load = ebus_dmamap_load;
+	PCOPY(_dmamap_load_mbuf);
+	PCOPY(_dmamap_load_uio);
+	PCOPY(_dmamap_load_raw);
+	dt->_dmamap_unload = ebus_dmamap_unload;
+	dt->_dmamap_sync = ebus_dmamap_sync;
+	dt->_dmamem_alloc = ebus_dmamem_alloc;
+	dt->_dmamem_free = ebus_dmamem_free;
+	dt->_dmamem_map = ebus_dmamem_map;
+	dt->_dmamem_unmap = ebus_dmamem_unmap;
+	PCOPY(_dmamem_mmap);
+#undef	PCOPY
+	return (dt);
+}
+
+/*
+ * bus space support.  <sparc64/dev/psychoreg.h> has a discussion
+ * about PCI physical addresses, which also applies to ebus.
+ */
+static int
+_ebus_bus_map(t, btype, offset, size, flags, vaddr, hp)
+	bus_space_tag_t t;
+	bus_type_t btype;
+	bus_addr_t offset;
+	bus_size_t size;
+	int	flags;
+	vaddr_t vaddr;
+	bus_space_handle_t *hp;
+{
+	struct ebus_softc *sc = t->cookie;
+	bus_addr_t hi, lo;
+	int i, ss;
+
+	DPRINTF(EDB_BUSMAP,
+	    ("\n_ebus_bus_map: type %d off %016llx sz %x flags %d va %p",
+	    (int)t->type, (unsigned long long)offset, (int)size, (int)flags,
+	    (void *)vaddr));
+
+	hi = offset >> 32UL;
+	lo = offset & 0xffffffff;
+	DPRINTF(EDB_BUSMAP, (" (hi %08x lo %08x)", (u_int)hi, (u_int)lo));
+	for (i = 0; i < sc->sc_nrange; i++) {
+		bus_addr_t pciaddr;
+
+		if (hi != sc->sc_range[i].child_hi)
+			continue;
+		if (lo < sc->sc_range[i].child_lo ||
+		    (lo + size) >
+		      (sc->sc_range[i].child_lo + sc->sc_range[i].size))
+			continue;
+
+		/* Isolate address space and find the right tag */
+		ss = (sc->sc_range[i].phys_hi>>24)&3;
+		switch (ss) {
+		case 1:	/* I/O space */
+			t = sc->sc_iotag;
+			break;
+		case 2:	/* Memory space */
+			t = sc->sc_memtag;
+			break;
+		case 0:	/* Config space */
+		case 3:	/* 64-bit Memory space */
+		default: /* WTF? */
+			/* We don't handle these */
+			panic("_ebus_bus_map: illegal space %x", ss);
+			break;
+		}
+		pciaddr = ((bus_addr_t)sc->sc_range[i].phys_mid << 32UL) |
+				       sc->sc_range[i].phys_lo;
+		pciaddr += lo;
+		DPRINTF(EDB_BUSMAP,
+		    ("\n_ebus_bus_map: mapping space %x paddr offset %qx pciaddr %qx\n",
+		    ss, (unsigned long long)offset, (unsigned long long)pciaddr));
+		/* pass it onto the psycho */
+		return (bus_space_map2(t, sc->sc_range[i].phys_hi, 
+			pciaddr, size, flags, vaddr, hp));
+	}
+	DPRINTF(EDB_BUSMAP, (": FAILED\n"));
+	return (EINVAL);
+}
+
+static int
+ebus_bus_mmap(t, btype, paddr, flags, hp)
+	bus_space_tag_t t;
+	bus_type_t btype;
+	bus_addr_t paddr;
+	int flags;
+	bus_space_handle_t *hp;
+{
+	bus_addr_t offset = paddr;
+	struct ebus_softc *sc = t->cookie;
+	int i;
+
+	for (i = 0; i < sc->sc_nrange; i++) {
+		bus_addr_t paddr = ((bus_addr_t)sc->sc_range[i].child_hi << 32) |
+		    sc->sc_range[i].child_lo;
+
+		if (offset != paddr)
+			continue;
+
+		DPRINTF(EDB_BUSMAP, ("\n_ebus_bus_mmap: mapping paddr %qx\n",
+		    (unsigned long long)paddr));
+		return (bus_space_mmap(sc->sc_memtag, 0, paddr,
+				       flags, hp));
+	}
+
+	return (-1);
+}
+
+/*
+ * install an interrupt handler for a PCI device
+ */
+void *
+ebus_intr_establish(t, pri, level, flags, handler, arg)
+	bus_space_tag_t t;
+	int pri;
+	int level;
+	int flags;
+	int (*handler) __P((void *));
+	void *arg;
+{
+	return (bus_intr_establish(t->parent, pri, level, flags, handler, arg));
+}
+
+/*
+ * bus dma support
+ */
+int
+ebus_dmamap_load(t, map, buf, buflen, p, flags)
+	bus_dma_tag_t t;
+	bus_dmamap_t map;
+	void *buf;
+	bus_size_t buflen;
+	struct proc *p;
+	int flags;
+{
+	struct ebus_softc *sc = t->_cookie;
+
+	return (iommu_dvmamap_load(t, sc->sc_parent->sc_is, map, buf, buflen,
+	    p, flags));
+}
+
+void
+ebus_dmamap_unload(t, map)
+	bus_dma_tag_t t;
+	bus_dmamap_t map;
+{
+	struct ebus_softc *sc = t->_cookie;
+
+	iommu_dvmamap_unload(t, sc->sc_parent->sc_is, map);
+}
+
+void
+ebus_dmamap_sync(t, map, offset, len, ops)
+	bus_dma_tag_t t;
+	bus_dmamap_t map;
+	bus_addr_t offset;
+	bus_size_t len;
+	int ops;
+{
+	struct ebus_softc *sc = t->_cookie;
+
+	iommu_dvmamap_sync(t, sc->sc_parent->sc_is, map, offset, len, ops);
+	bus_dmamap_sync(t->_parent, map, offset, len, ops);
+}
+
+int
+ebus_dmamem_alloc(t, size, alignment, boundary, segs, nsegs, rsegs, flags)
+	bus_dma_tag_t t;
+	bus_size_t size;
+	bus_size_t alignment;
+	bus_size_t boundary;
+	bus_dma_segment_t *segs;
+	int nsegs;
+	int *rsegs;
+	int flags;
+{
+	struct ebus_softc *sc = t->_cookie;
+
+	return (iommu_dvmamem_alloc(t, sc->sc_parent->sc_is, size, alignment,
+	    boundary, segs, nsegs, rsegs, flags));
+}
+
+void
+ebus_dmamem_free(t, segs, nsegs)
+	bus_dma_tag_t t;
+	bus_dma_segment_t *segs;
+	int nsegs;
+{
+	struct ebus_softc *sc = t->_cookie;
+
+	iommu_dvmamem_free(t, sc->sc_parent->sc_is, segs, nsegs);
+}
+
+int
+ebus_dmamem_map(t, segs, nsegs, size, kvap, flags)
+	bus_dma_tag_t t;
+	bus_dma_segment_t *segs;
+	int nsegs;
+	size_t size;
+	caddr_t *kvap;
+	int flags;
+{
+	struct ebus_softc *sc = t->_cookie;
+
+	return (iommu_dvmamem_map(t, sc->sc_parent->sc_is, segs, nsegs,
+	    size, kvap, flags));
+}
+
+void
+ebus_dmamem_unmap(t, kva, size)
+	bus_dma_tag_t t;
+	caddr_t kva;
+	size_t size;
+{
+	struct ebus_softc *sc = t->_cookie;
+
+	iommu_dvmamem_unmap(t, sc->sc_parent->sc_is, kva, size);
+}