static int
fbt_attach(dev_info_t *devi, ddi_attach_cmd_t cmd)
{
switch (cmd) {
case DDI_ATTACH:
break;
case DDI_RESUME:
return (DDI_SUCCESS);
default:
return (DDI_FAILURE);
}
if (fbt_probetab_size == 0)
fbt_probetab_size = FBT_PROBETAB_SIZE;
fbt_probetab_mask = fbt_probetab_size - 1;
fbt_probetab =
kmem_zalloc(fbt_probetab_size * sizeof (fbt_probe_t *), KM_SLEEP);
dtrace_invop_add(fbt_invop);
if (ddi_create_minor_node(devi, "fbt", S_IFCHR, 0,
DDI_PSEUDO, 0) == DDI_FAILURE ||
dtrace_register("fbt", &fbt_attr, DTRACE_PRIV_KERNEL, NULL,
&fbt_pops, NULL, &fbt_id) != 0) {
fbt_cleanup(devi);
return (DDI_FAILURE);
}
ddi_report_dev(devi);
fbt_devi = devi;
return (DDI_SUCCESS);
}
void fbt_exit(void)
{
remove_proc_entry("dtrace/fbt", 0);
if (initted) {
fbt_cleanup(NULL);
misc_deregister(&fbt_dev);
}
// printk(KERN_WARNING "fbt driver unloaded.\n");
}
static int
fbt_detach(dev_info_t *devi, ddi_detach_cmd_t cmd)
{
switch (cmd) {
case DDI_DETACH:
break;
case DDI_SUSPEND:
return (DDI_SUCCESS);
default:
return (DDI_FAILURE);
}
if (dtrace_unregister(fbt_id) != 0)
return (DDI_FAILURE);
fbt_cleanup(devi);
return (DDI_SUCCESS);
}