/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2000, 2002 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* fc_ops.c: Framework generic fcode ops
*/
#include <sys/types.h>
#include <sys/kmem.h>
#include <sys/systm.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
#include <sys/sunndi.h>
#include <sys/modctl.h>
#include <sys/fcode.h>
#include <sys/ddi_implfuncs.h>
#include <sys/ndi_impldefs.h>
#include <sys/ethernet.h>
static int fco_new_device(dev_info_t *, fco_handle_t, fc_ci_t *);
static int fco_finish_device(dev_info_t *, fco_handle_t, fc_ci_t *);
static int fco_create_property(dev_info_t *, fco_handle_t, fc_ci_t *);
static int fco_validate(dev_info_t *, fco_handle_t, fc_ci_t *);
static int fco_invalidate(dev_info_t *, fco_handle_t, fc_ci_t *);
static int fco_exit(dev_info_t *, fco_handle_t, fc_ci_t *);
static int fco_getproplen(dev_info_t *, fco_handle_t, fc_ci_t *);
static int fco_getprop(dev_info_t *, fco_handle_t, fc_ci_t *);
static int fco_ap_phandle(dev_info_t *, fco_handle_t, fc_ci_t *);
static int fco_child(dev_info_t *, fco_handle_t, fc_ci_t *);
static int fco_peer(dev_info_t *, fco_handle_t, fc_ci_t *);
static int fco_parent(dev_info_t *, fco_handle_t, fc_ci_t *);
static int fco_alloc_phandle(dev_info_t *, fco_handle_t, fc_ci_t *);
static int fco_local_ether_addr(dev_info_t *, fco_handle_t, fc_ci_t *);
struct fc_ops_v {
char *svc_name;
fc_ops_t *f;
};
static struct fc_ops_v fov[] = {
{ "open", fc_fail_op},
{ "close", fc_fail_op},
{ "$find", fc_fail_op},
{ "encode-unit", fc_fail_op},
{ "decode-unit", fc_fail_op},
{ FC_GET_MY_PROPLEN, fco_getproplen},
{ FC_GET_MY_PROP, fco_getprop},
{ FC_GET_PKG_PROPLEN, fco_getproplen},
{ FC_GET_PKG_PROP, fco_getprop},
{ FC_GET_IN_PROPLEN, fco_getproplen},
{ FC_GET_IN_PROP, fco_getprop},
{ FC_NEW_DEVICE, fco_new_device},
{ FC_FINISH_DEVICE, fco_finish_device},
{ FC_CREATE_PROPERTY, fco_create_property},
{ FC_AP_PHANDLE, fco_ap_phandle},
{ "child", fco_child},
{ "peer", fco_peer},
{ FC_PARENT, fco_parent},
{ FC_ALLOC_PHANDLE, fco_alloc_phandle},
{ FC_SVC_VALIDATE, fco_validate},
{ FC_SVC_INVALIDATE, fco_invalidate},
{ FC_SVC_EXIT, fco_exit},
{ "local-ether-addr", fco_local_ether_addr},
{ NULL, NULL}
};
/*
* Allocate a handle for the ops function .. our handle is a resource list
* Return the handle to our caller, so he can call us with it when we need it.
*/
/*ARGSUSED*/
fco_handle_t
fc_ops_alloc_handle(dev_info_t *ap, dev_info_t *child,
void *fcode, size_t fcode_size, char *unit_address, void *bus_args)
{
fco_handle_t rp;
char *up;
rp = kmem_zalloc(sizeof (struct fc_resource_list), KM_SLEEP);
rp->next_handle = NULL; /* nobody is downstream */
rp->ap = ap;
rp->child = child;
rp->fcode = fcode;
rp->fcode_size = fcode_size;
if (unit_address) {
up = kmem_zalloc(strlen(unit_address) + 1, KM_SLEEP);
(void) strcpy(up, unit_address);
rp->unit_address = up;
}
rp->bus_args = NULL; /* generic module has no bus args */
fc_phandle_table_alloc(fc_handle_to_phandle_head(rp));
(void) fc_dip_to_phandle(fc_handle_to_phandle_head(rp), ap);
/*
* Create our copy of the device tree.
*/
fc_create_device_tree(ap, &rp->dtree);
return (rp);
}
/*
* Free any resources associated with this handle.
*/
void
fc_ops_free_handle(fco_handle_t rp)
{
struct fc_resource *ip, *np;
if (rp->unit_address)
kmem_free(rp->unit_address, strlen(rp->unit_address) + 1);
if (rp->dtree)
fc_remove_device_tree(&rp->dtree);
fc_phandle_table_free(fc_handle_to_phandle_head(rp));
for (ip = rp->head; ip != NULL; ip = np) {
np = ip->next;
switch (ip->type) {
case RT_NODEID:
impl_ddi_free_nodeid(ip->fc_nodeid_r);
break;
default:
cmn_err(CE_CONT, "pci_fc_ops_free: "
"unknown resource type %d\n", ip->type);
break;
}
fc_rem_resource(rp, ip);
kmem_free(ip, sizeof (struct fc_resource));
}
kmem_free(rp, sizeof (struct fc_resource_list));
}
int
fc_ops(dev_info_t *ap, fco_handle_t handle, fc_ci_t *cp)
{
struct fc_ops_v *pv;
char *name = fc_cell2ptr(cp->svc_name);
for (pv = fov; pv->svc_name != NULL; ++pv)
if (strcmp(pv->svc_name, name) == 0)
return (pv->f(ap, handle, cp));
return (-1);
}
/*
* The interpreter can't do get-inherited-property directly,
* because we don't want to return a kernel address, so it
* has to break up the request into a get-proplen and get-prop
* call so it can allocate memory for the property and pass that
* buffer in to get-prop. The buffer should be 'suitably aligned'.
*
* XXX: We don't know the property type, so we can't return
* prop-encoded arrays, which fortunately, isn't a problem
* on big-endian machines.
*
* get-proplen has one result: proplen
* proplen is returned as -1 if the propname doesn't exist and
* as zero if the property is a boolean property.
*
* get-prop has one result: proplen, returned as -1 if propname doesn't exist.
*/
/*
* fco_getproplen ( propname phandle -- proplen )
*/
/*ARGSUSED*/
static int
fco_getproplen(dev_info_t *ap, fco_handle_t rp, fc_ci_t *cp)
{
int proplen;
int flags = 0;
fc_phandle_t h;
dev_info_t *dip;
char *pnp;
char propname[OBP_MAXPROPNAME];
if (strstr(fc_cell2ptr(cp->svc_name), "inherited") == NULL)
flags |= DDI_PROP_DONTPASS;
if (fc_cell2int(cp->nargs) != 2)
return (fc_syntax_error(cp, "nargs must be 2"));
if (fc_cell2int(cp->nresults) < 1)
return (fc_syntax_error(cp, "nresults must be > 0"));
/*
* Make sure this is a handle we gave out ...
*/
h = fc_cell2phandle(fc_arg(cp, 0));
if ((dip = fc_phandle_to_dip(fc_handle_to_phandle_head(rp), h)) == NULL)
return (fc_priv_error(cp, "unknown handle"));
/*
* XXX: We should care if the string is longer than OBP_MAXPROPNAME
*/
pnp = fc_cell2ptr(fc_arg(cp, 1));
bzero(propname, OBP_MAXPROPNAME);
if (copyinstr(pnp, propname, OBP_MAXPROPNAME - 1, NULL))
return (fc_priv_error(cp, "EFAULT copying in propname"));
if (ddi_getproplen(DDI_DEV_T_ANY, dip, flags, propname, &proplen))
proplen = -1;
fc_result(cp, 0) = fc_int2cell(proplen);
cp->nresults = fc_int2cell(1);
return (fc_success_op(ap, rp, cp));
}
/*
* fco_getprop ( propname buffer phandle -- proplen )
*/
/*ARGSUSED*/
static int
fco_getprop(dev_info_t *ap, fco_handle_t rp, fc_ci_t *cp)
{
int proplen = -1;
int flags = DDI_PROP_CANSLEEP;
char *pnp, *bp;
fc_phandle_t h;
dev_info_t *dip;
char propname[OBP_MAXPROPNAME];
if (strstr(fc_cell2ptr(cp->svc_name), "inherited") == NULL)
flags |= DDI_PROP_DONTPASS;
if (fc_cell2int(cp->nargs) != 3)
return (fc_syntax_error(cp, "nargs must be 3"));
if (fc_cell2int(cp->nresults) < 1)
return (fc_syntax_error(cp, "nresults must be > 0"));
/*
* Make sure this is a handle we gave out ...
*/
h = fc_cell2phandle(fc_arg(cp, 0));
if ((dip = fc_phandle_to_dip(fc_handle_to_phandle_head(rp), h)) == NULL)
return (fc_priv_error(cp, "unknown handle"));
/*
* XXX: We should care if the string is longer than OBP_MAXPROPNAME
*/
pnp = fc_cell2ptr(fc_arg(cp, 2));
bzero(propname, OBP_MAXPROPNAME);
if (copyinstr(pnp, propname, OBP_MAXPROPNAME - 1, NULL))
return (fc_priv_error(cp, "EFAULT copying in propname"));
if (ddi_getlongprop(DDI_DEV_T_ANY, dip, flags,
propname, (caddr_t)&bp, &proplen))
proplen = -1;
if (proplen > 0) {
char *up = fc_cell2ptr(fc_arg(cp, 1));
int error;
error = copyout(bp, up, proplen);
kmem_free(bp, proplen);
if (error)
return (fc_priv_error(cp, "EFAULT copying data out"));
}
cp->nresults = fc_int2cell(1);
fc_result(cp, 0) = fc_int2cell(proplen);
return (fc_success_op(ap, rp, cp));
}
static int
fco_ap_phandle(dev_info_t *ap, fco_handle_t rp, fc_ci_t *cp)
{
fc_phandle_t h;
if (fc_cell2int(cp->nargs) != 0)
return (fc_syntax_error(cp, "nargs must be 0"));
if (fc_cell2int(cp->nresults) < 1)
return (fc_syntax_error(cp, "nresults must be > 0"));
FC_DEBUG1(9, CE_CONT, "fco_ap_phandle: Looking up ap dip %p\n", ap);
h = fc_dip_to_phandle(fc_handle_to_phandle_head(rp), ap);
cp->nresults = fc_int2cell(1);
fc_result(cp, 0) = fc_phandle2cell(h);
return (fc_success_op(ap, rp, cp));
}
static int
fco_child(dev_info_t *ap, fco_handle_t rp, fc_ci_t *cp)
{
fc_phandle_t h;
dev_info_t *dip;
if (fc_cell2int(cp->nargs) != 1)
return (fc_syntax_error(cp, "nargs must be 1"));
if (fc_cell2int(cp->nresults) < 1)
return (fc_syntax_error(cp, "nresults must be > 0"));
/*
* Make sure this is a handle we gave out ...
*/
h = fc_cell2phandle(fc_arg(cp, 0));
if ((dip = fc_phandle_to_dip(fc_handle_to_phandle_head(rp), h)) == NULL)
return (fc_priv_error(cp, "unknown handle"));
/*
* Find the child and if there is one, return it ...
*/
dip = ddi_get_child(dip);
h = 0;
if (dip != NULL)
h = fc_dip_to_phandle(fc_handle_to_phandle_head(rp), dip);
cp->nresults = fc_int2cell(1);
fc_result(cp, 0) = fc_phandle2cell(h);
return (fc_success_op(ap, rp, cp));
}
static int
fco_peer(dev_info_t *ap, fco_handle_t rp, fc_ci_t *cp)
{
fc_phandle_t h;
dev_info_t *dip;
if (fc_cell2int(cp->nargs) != 1)
return (fc_syntax_error(cp, "nargs must be 1"));
if (fc_cell2int(cp->nresults) < 1)
return (fc_syntax_error(cp, "nresults must be > 0"));
/*
* Make sure this is a handle we gave out ...
*/
h = fc_cell2phandle(fc_arg(cp, 0));
if ((dip = fc_phandle_to_dip(fc_handle_to_phandle_head(rp), h)) == NULL)
return (fc_priv_error(cp, "unknown handle"));
/*
* Find the child and if there is one, return it ...
*/
dip = ddi_get_next_sibling(dip);
h = 0;
if (dip != NULL)
h = fc_dip_to_phandle(fc_handle_to_phandle_head(rp), dip);
cp->nresults = fc_int2cell(1);
fc_result(cp, 0) = fc_phandle2cell(h);
return (fc_success_op(ap, rp, cp));
}
static int
fco_parent(dev_info_t *ap, fco_handle_t rp, fc_ci_t *cp)
{
fc_phandle_t h;
dev_info_t *dip;
if (fc_cell2int(cp->nargs) != 1)
return (fc_syntax_error(cp, "nargs must be 1"));
if (fc_cell2int(cp->nresults) < 1)
return (fc_syntax_error(cp, "nresults must be > 0"));
/*
* Make sure this is a handle we gave out ...
*/
h = fc_cell2phandle(fc_arg(cp, 0));
if ((dip = fc_phandle_to_dip(fc_handle_to_phandle_head(rp), h)) == NULL)
return (fc_priv_error(cp, "unknown handle"));
/*
* Find the parent and if there is one, return it ...
*/
dip = ddi_get_parent(dip);
h = 0;
if (dip != NULL)
h = fc_dip_to_phandle(fc_handle_to_phandle_head(rp), dip);
cp->nresults = fc_int2cell(1);
fc_result(cp, 0) = fc_phandle2cell(h);
return (fc_success_op(ap, rp, cp));
}
/*
* Allocate a phandle ... we don't currently track the phandle.
*/
static int
fco_alloc_phandle(dev_info_t *ap, fco_handle_t rp, fc_ci_t *cp)
{
fc_phandle_t h;
int n;
struct fc_resource *ip;
if (fc_cell2int(cp->nargs) != 0)
return (fc_syntax_error(cp, "nargs must be 0"));
if (fc_cell2int(cp->nresults) < 1)
return (fc_syntax_error(cp, "nresults must be > 0"));
if (impl_ddi_alloc_nodeid(&n))
return (fc_priv_error(cp, "Can't allocate a nodeid"));
/*
* Log the nodeid resource so we can release it later if we need to.
*/
ip = kmem_zalloc(sizeof (struct fc_resource), KM_SLEEP);
ip->type = RT_NODEID;
ip->fc_nodeid_r = n;
fc_add_resource(rp, ip);
h = (fc_phandle_t)n;
cp->nresults = fc_int2cell(1);
fc_result(cp, 0) = fc_phandle2cell(h);
return (fc_success_op(ap, rp, cp));
}
static struct fc_resource *
find_nodeid_resource(fco_handle_t rp, int n)
{
struct fc_resource *ip;
fc_lock_resource_list(rp);
for (ip = rp->head; ip != NULL; ip = ip->next) {
if (ip->type != RT_NODEID)
continue;
if (ip->fc_nodeid_r == n)
break;
}
fc_unlock_resource_list(rp);
return (ip);
}
/*
* fco_new_device ( name-cstr unit-addr-cstr parent.phandle phandle -- )
*/
static int
fco_new_device(dev_info_t *ap, fco_handle_t rp, fc_ci_t *cp)
{
fc_phandle_t ph, ch;
dev_info_t *pdev, *cdev;
char *s;
int createmode = 0;
char *unit_address = NULL;
char nodename[OBP_MAXPROPNAME];
if (fc_cell2int(cp->nargs) != 4)
return (fc_syntax_error(cp, "nargs must be 4"));
/*
* Make sure these are handles we gave out ... and we have
* a corresponding parent devinfo node.
*/
ph = fc_cell2phandle(fc_arg(cp, 1));
pdev = fc_phandle_to_dip(fc_handle_to_phandle_head(rp), ph);
if (pdev == NULL)
return (fc_priv_error(cp, "unknown parent phandle"));
ch = fc_cell2phandle(fc_arg(cp, 0));
cdev = fc_phandle_to_dip(fc_handle_to_phandle_head(rp), ch);
switch (rp->cdip_state) {
case FC_CDIP_NOSTATE:
/*
* The first child must be a child of the attachment point.
*/
if (pdev != ap)
return (fc_priv_error(cp, "first child must be a "
"child of the attachment point"));
/*
* If this bus has a config child, the first child must
* be the configuration child. Otherwise, the child must
* be a new (unknown) node.
*/
if (cdev != NULL) {
if (rp->child != NULL) {
if (cdev != rp->child)
return (fc_priv_error(cp, "first "
"child must be the "
"configuration child"));
} else {
return (fc_priv_error(cp, "known child -- "
"unknown child expected"));
}
}
break;
case FC_CDIP_DONE:
/*
* If we've already created the first child, this
* child must be unknown and the parent must be a known
* child of the attachment point.
*/
if (cdev)
return (fc_priv_error(cp, "known child -- "
"unknown child expected"));
if (fc_find_node(pdev, fc_handle_to_dtree(rp)) == NULL)
return (fc_priv_error(cp, "parent is an unknown "
"child of the attachment point"));
break;
default:
/*
* If we're in some other state, we shouldn't be here.
*/
return (fc_priv_error(cp, "bad node-creation state"));
/* NOTREACHED */
}
/*
* Get the nodename and the unit address.
*/
s = fc_cell2ptr(fc_arg(cp, 3));
bzero(nodename, OBP_MAXPROPNAME);
if (copyinstr(s, nodename, OBP_MAXPROPNAME - 1, NULL))
return (fc_priv_error(cp, "EFAULT copying in nodename"));
s = fc_cell2ptr(fc_arg(cp, 2));
unit_address = kmem_zalloc(OBP_MAXPATHLEN, KM_SLEEP);
if (copyinstr(s, unit_address, OBP_MAXPATHLEN - 1, NULL)) {
kmem_free(unit_address, OBP_MAXPATHLEN);
return (fc_priv_error(cp, "EFAULT copying in unit address"));
}
/*
* If cdev is NULL, we have to create the child, otherwise, the
* child already exists and we're just merging properties into
* the existing node. The node must be unbound.
*/
if (cdev == NULL)
createmode = 1;
if (createmode) {
struct fc_resource *ip;
int nodeid;
/*
* Make sure 'ch' is a nodeid we gave the interpreter.
* It must be on our resource list.
*/
if ((ip = find_nodeid_resource(rp, (int)ch)) == NULL) {
kmem_free(unit_address, OBP_MAXPATHLEN);
return (fc_priv_error(cp, "Unknown phandle"));
}
/*
* Allocate a self-identifying, persistent node with
* the auto-free attribute.
*/
if (ndi_devi_alloc(pdev, nodename, DEVI_SID_NODEID, &cdev)) {
kmem_free(unit_address, OBP_MAXPATHLEN);
return (fc_priv_error(cp, "Can't create node"));
}
/*
* Free the nodeid we just allocated here, and use
* the one we handed in. Retain the attributes of
* the original SID nodetype.
*/
nodeid = ddi_get_nodeid(cdev);
i_ndi_set_nodeid(cdev, (int)ch);
impl_ddi_free_nodeid(nodeid);
/*
* Remove nodeid 'ch' from our resource list, now that it
* will be managed by the ddi framework.
*/
fc_rem_resource(rp, ip);
kmem_free(ip, sizeof (struct fc_resource));
} else if (strcmp(ddi_node_name(cdev), nodename) != 0) {
FC_DEBUG2(1, CE_CONT, "Changing <%s> nodename to <%s>\n",
ddi_node_name(cdev), nodename);
if (ndi_devi_set_nodename(cdev, nodename, 0)) {
kmem_free(unit_address, OBP_MAXPATHLEN);
return (fc_priv_error(cp, "Can't set ndi nodename"));
}
}
if (fc_ndi_prop_update(DDI_DEV_T_NONE, cdev, "name",
(uchar_t *)nodename, strlen(nodename) + 1)) {
kmem_free(unit_address, OBP_MAXPATHLEN);
if (createmode)
(void) ndi_devi_free(cdev);
return (fc_priv_error(cp, "Can't create name property"));
}
/*
* Add the dip->phandle translation to our list of known phandles.
*/
fc_add_dip_to_phandle(fc_handle_to_phandle_head(rp), cdev, ch);
/*
* Add the new node to our copy of the subtree.
*/
fc_add_child(cdev, pdev, fc_handle_to_dtree(rp));
rp->cdip = cdev;
rp->cdip_state = FC_CDIP_STARTED;
kmem_free(unit_address, OBP_MAXPATHLEN);
cp->nresults = fc_int2cell(0);
return (fc_success_op(ap, rp, cp));
}
/*
* fco_finish_device ( phandle -- )
*/
static int
fco_finish_device(dev_info_t *ap, fco_handle_t rp, fc_ci_t *cp)
{
fc_phandle_t h;
dev_info_t *cdev;
if (fc_cell2int(cp->nargs) != 1)
return (fc_syntax_error(cp, "nargs must be 1"));
if (rp->cdip_state != FC_CDIP_STARTED)
return (fc_priv_error(cp, "bad node-creation state"));
h = fc_cell2phandle(fc_arg(cp, 0));
cdev = fc_phandle_to_dip(fc_handle_to_phandle_head(rp), h);
if (cdev != rp->cdip)
return (fc_priv_error(cp, "bad phandle"));
/*
* We don't want to online children of the attachment point.
* We'll 'config' them online later.
*
* XXX - APA - I've changed this a bit. The only time we don't
* want to bind the device is if the parent is the attachment point
* and the device is the same as the device that was passed to
* the interpreter. We assume the configurator will do the binding.
*/
if ((ddi_get_parent(cdev) == ap) && (cdev == rp->child)) {
FC_DEBUG2(5, CE_CONT, "fc_finish_device: "
"*not* binding <%s> dip %p\n", ddi_node_name(cdev), cdev);
} else {
FC_DEBUG2(5, CE_CONT, "fc_finish_device: binding <%s> dip %p\n",
ddi_node_name(cdev), cdev);
(void) ndi_devi_bind_driver(cdev, 0);
}
rp->cdip_state = FC_CDIP_DONE;
cp->nresults = fc_int2cell(0);
return (fc_success_op(ap, rp, cp));
}
/*
* fco_create_property ( propname-cstr buf len phandle -- )
*/
static int
fco_create_property(dev_info_t *ap, fco_handle_t rp, fc_ci_t *cp)
{
char *buf, *bp, *pnp;
size_t len;
fc_phandle_t h;
dev_info_t *dev;
int error;
char propname[OBP_MAXPROPNAME];
if (fc_cell2int(cp->nargs) != 4)
return (fc_syntax_error(cp, "nargs must be 4"));
h = fc_cell2phandle(fc_arg(cp, 0));
len = fc_cell2size(fc_arg(cp, 1));
bp = fc_cell2ptr(fc_arg(cp, 2));
pnp = fc_cell2ptr(fc_arg(cp, 3));
dev = fc_phandle_to_dip(fc_handle_to_phandle_head(rp), h);
if (dev == NULL)
return (fc_priv_error(cp, "bad phandle"));
bzero(propname, OBP_MAXPROPNAME);
if (copyinstr(pnp, propname, OBP_MAXPROPNAME - 1, NULL))
return (fc_priv_error(cp, "EFAULT copying in propname"));
buf = NULL;
if (len != 0) {
buf = kmem_zalloc(len, KM_SLEEP);
if (copyin(bp, buf, len)) {
kmem_free(buf, len);
return (fc_priv_error(cp, "EFAULT copying in propval"));
}
}
/*
* check for propname: 'name' ... we don't allow it
* by changed here. It has to be specified when the node
* is created.
*/
if (strcmp(propname, "name") == 0) {
char *n = ddi_node_name(dev);
if (len == 0)
return (fc_priv_error(cp, "setting <name> to NULL"));
if ((len < (strlen(n) + 1)) || (strcmp(n, buf) != 0)) {
kmem_free(buf, len);
return (fc_priv_error(cp, "changing <name> property"));
}
/*
* Since we're not changing the value, and we already created
* the 'name' property when we created the node ...
*/
kmem_free(buf, len);
cp->nresults = fc_int2cell(0);
return (fc_success_op(ap, rp, cp));
}
error = fc_ndi_prop_update(DDI_DEV_T_NONE, dev, propname,
(uchar_t *)buf, len);
if (len != 0)
kmem_free(buf, len);
if (error)
return (fc_priv_error(cp, "Can't create property"));
cp->nresults = fc_int2cell(0);
return (fc_success_op(ap, rp, cp));
}
/*
* Make sure any in-progress activity is completed,
* and for now, online the subtree.
* XXX: Presumably the configurator will online the subtree
* XXX: by doing an ndi_devi_online with NDI_CONFIG on the child
* XXX: if there is one. For now, we're doing it here.
* XXX: For buses without a configurator (and thus no config child),
* XXX: we have to do it here.
*
*/
static int
fco_validate(dev_info_t *ap, fco_handle_t rp, fc_ci_t *cp)
{
rp->cdip_state = FC_CDIP_CONFIG;
cp->nresults = fc_int2cell(0);
return (fc_success_op(ap, rp, cp));
}
static void
remove_subtree(dev_info_t *root, struct fc_device_tree *subtree)
{
dev_info_t *child;
/*
* Remove the subtree, depth first. Each iterative
* call gets another child at each level of the tree
* until there are no more children.
*/
while ((child = fc_child_node(root, subtree)) != NULL)
remove_subtree(child, subtree);
/*
* Delete the subtree root and remove its record from our
* copy of the subtree.
*/
fc_remove_child(root, subtree);
(void) ndi_devi_offline(root, NDI_UNCONFIG | NDI_DEVI_REMOVE);
}
static int
fco_invalidate(dev_info_t *ap, fco_handle_t rp, fc_ci_t *cp)
{
dev_info_t *root, *child;
struct fc_device_tree *subtree = fc_handle_to_dtree(rp);
int configured = (rp->cdip_state == FC_CDIP_CONFIG);
/*
* If we created any children, delete them. The root node is the
* config child, if one exists for this bus, otherwise it's the
* attachment point.
*
* Our copy of the subtree only contains records of nodes we created
* under the subtree root and contains the parent->child linkage
* that isn't yet established in the real device tree.
*
* XXX: What we don't do is restore the config child node to it's
* pre-interpretive state. (We may have added properties to
* that node. It's not clear if its necessary to clean them up.)
*/
root = rp->child ? rp->child : ap;
while ((child = fc_child_node(root, subtree)) != NULL) {
FC_DEBUG2(1, CE_CONT, "fco_invalidate: remove subtree "
"<%s> dip %p\n", ddi_node_name(child), child);
remove_subtree(child, subtree);
}
if (configured)
(void) ndi_devi_offline(root, NDI_UNCONFIG);
cp->nresults = fc_int2cell(0);
return (fc_success_op(ap, rp, cp));
}
static int
fco_exit(dev_info_t *ap, fco_handle_t rp, fc_ci_t *cp)
{
FC_DEBUG0(1, CE_CONT, "exit op not implemented .. succeeding\n");
cp->nresults = fc_int2cell(0);
return (fc_success_op(ap, rp, cp));
}
/*
* Needed to implement 'mac-address' Fcode, no obvious place to pick this
* info up from user-land.
*/
static int
fco_local_ether_addr(dev_info_t *ap, fco_handle_t rp, fc_ci_t *cp)
{
if (fc_cell2int(cp->nargs) != 0)
return (fc_syntax_error(cp, "nargs must be 0"));
if (fc_cell2int(cp->nresults) != 2)
return (fc_syntax_error(cp, "nresults must be 2"));
cp->nresults = fc_int2cell(2);
(void) localetheraddr(NULL, (struct ether_addr *)(&fc_result(cp, 0)));
return (fc_success_op(ap, rp, cp));
}
#ifdef DEBUG
void
fc_debug(char *fmt, uintptr_t a1, uintptr_t a2, uintptr_t a3,
uintptr_t a4, uintptr_t a5)
{
cmn_err(CE_CONT, fmt, a1, a2, a3, a4, a5);
}
#endif