843e19887f64dde75055cf8842fc4db2171eff45johnlev * CDDL HEADER START
843e19887f64dde75055cf8842fc4db2171eff45johnlev * The contents of this file are subject to the terms of the
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Common Development and Distribution License (the "License").
843e19887f64dde75055cf8842fc4db2171eff45johnlev * You may not use this file except in compliance with the License.
843e19887f64dde75055cf8842fc4db2171eff45johnlev * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
843e19887f64dde75055cf8842fc4db2171eff45johnlev * See the License for the specific language governing permissions
843e19887f64dde75055cf8842fc4db2171eff45johnlev * and limitations under the License.
843e19887f64dde75055cf8842fc4db2171eff45johnlev * When distributing Covered Code, include this CDDL HEADER in each
843e19887f64dde75055cf8842fc4db2171eff45johnlev * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
843e19887f64dde75055cf8842fc4db2171eff45johnlev * If applicable, add the following below this CDDL HEADER, with the
843e19887f64dde75055cf8842fc4db2171eff45johnlev * fields enclosed by brackets "[]" replaced with your own identifying
843e19887f64dde75055cf8842fc4db2171eff45johnlev * information: Portions Copyright [yyyy] [name of copyright owner]
843e19887f64dde75055cf8842fc4db2171eff45johnlev * CDDL HEADER END
349b53dd4e695e3d833b5380540385145b2d3ae8Stuart Maybee * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Use is subject to license terms.
cd21e7c548ae2a3b5e522244bf798f2a6b4ba02dGarrett D'Amore * Copyright 2012 Garrett D'Amore <garrett@damore.org>. All rights reserved.
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Host to hypervisor virtual devices nexus driver
843e19887f64dde75055cf8842fc4db2171eff45johnlev * - Add watchpoints on vbd/vif and enumerate/offline on watch callback
843e19887f64dde75055cf8842fc4db2171eff45johnlev * - Add DR IOCTLs
843e19887f64dde75055cf8842fc4db2171eff45johnlev * - Filter/restrict property lookups into xenstore
843e19887f64dde75055cf8842fc4db2171eff45johnlev * DDI dev_ops entrypoints
843e19887f64dde75055cf8842fc4db2171eff45johnlevstatic int xpvd_info(dev_info_t *, ddi_info_cmd_t, void *, void **);
843e19887f64dde75055cf8842fc4db2171eff45johnlevstatic int xpvd_attach(dev_info_t *devi, ddi_attach_cmd_t cmd);
843e19887f64dde75055cf8842fc4db2171eff45johnlevstatic int xpvd_detach(dev_info_t *devi, ddi_detach_cmd_t cmd);
843e19887f64dde75055cf8842fc4db2171eff45johnlev * NDI bus_ops entrypoints
843e19887f64dde75055cf8842fc4db2171eff45johnlevstatic int xpvd_ctlops(dev_info_t *, dev_info_t *, ddi_ctl_enum_t, void *,
843e19887f64dde75055cf8842fc4db2171eff45johnlevstatic int xpvd_intr_ops(dev_info_t *, dev_info_t *, ddi_intr_op_t,
843e19887f64dde75055cf8842fc4db2171eff45johnlevstatic int xpvd_prop_op(dev_t, dev_info_t *, dev_info_t *, ddi_prop_op_t,
843e19887f64dde75055cf8842fc4db2171eff45johnlev int, char *, caddr_t, int *);
843e19887f64dde75055cf8842fc4db2171eff45johnlevstatic int xpvd_bus_config(dev_info_t *, uint_t, ddi_bus_config_op_t,
843e19887f64dde75055cf8842fc4db2171eff45johnlevstatic int xpvd_bus_unconfig(dev_info_t *, uint_t, ddi_bus_config_op_t,
843e19887f64dde75055cf8842fc4db2171eff45johnlevstatic int xpvd_get_eventcookie(dev_info_t *, dev_info_t *,
843e19887f64dde75055cf8842fc4db2171eff45johnlevstatic int xpvd_add_eventcall(dev_info_t *, dev_info_t *,
843e19887f64dde75055cf8842fc4db2171eff45johnlev ddi_eventcookie_t, void *, void *),
843e19887f64dde75055cf8842fc4db2171eff45johnlevstatic int xpvd_remove_eventcall(dev_info_t *, ddi_callback_id_t);
843e19887f64dde75055cf8842fc4db2171eff45johnlevstatic int xpvd_post_event(dev_info_t *, dev_info_t *,
843e19887f64dde75055cf8842fc4db2171eff45johnlev * misc functions
843e19887f64dde75055cf8842fc4db2171eff45johnlevstatic int xpvd_enable_intr(dev_info_t *, ddi_intr_handle_impl_t *, int);
843e19887f64dde75055cf8842fc4db2171eff45johnlevstatic void xpvd_disable_intr(dev_info_t *, ddi_intr_handle_impl_t *, int);
843e19887f64dde75055cf8842fc4db2171eff45johnlevstatic int xpvd_name_child(dev_info_t *, char *, int);
843e19887f64dde75055cf8842fc4db2171eff45johnlevstatic boolean_t i_xpvd_parse_devname(char *, xendev_devclass_t *,
843e19887f64dde75055cf8842fc4db2171eff45johnlev/* Extern declarations */
843e19887f64dde75055cf8842fc4db2171eff45johnlevextern int (*psm_intr_ops)(dev_info_t *, ddi_intr_handle_impl_t *,
843e19887f64dde75055cf8842fc4db2171eff45johnlev 0, /* (*bus_intr_ctl)(); */
843e19887f64dde75055cf8842fc4db2171eff45johnlev 0, /* refcnt */
843e19887f64dde75055cf8842fc4db2171eff45johnlevstatic ndi_event_definition_t xpvd_ndi_event_defs[] = {
843e19887f64dde75055cf8842fc4db2171eff45johnlev { 0, XS_OE_STATE, EPL_KERNEL, NDI_EVENT_POST_TO_TGT },
843e19887f64dde75055cf8842fc4db2171eff45johnlev { 1, XS_HP_STATE, EPL_KERNEL, NDI_EVENT_POST_TO_TGT },
843e19887f64dde75055cf8842fc4db2171eff45johnlev (sizeof (xpvd_ndi_event_defs) / sizeof (xpvd_ndi_event_defs[0]))
843e19887f64dde75055cf8842fc4db2171eff45johnlev NDI_EVENTS_REV1, XENDEV_N_NDI_EVENTS, xpvd_ndi_event_defs
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Hypervisor interrupt capabilities
843e19887f64dde75055cf8842fc4db2171eff45johnlev (DDI_INTR_FLAG_EDGE | DDI_INTR_FLAG_MASKABLE | DDI_INTR_FLAG_PENDING)
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Module linkage information for the kernel.
8793b36b40d14ad0a0fecc97738dc118a928f46cNick Todd "virtual device nexus driver",
843e19887f64dde75055cf8842fc4db2171eff45johnlev/* ARGSUSED */
843e19887f64dde75055cf8842fc4db2171eff45johnlevxpvd_info(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **result)
843e19887f64dde75055cf8842fc4db2171eff45johnlev *result = (void *)0;
843e19887f64dde75055cf8842fc4db2171eff45johnlev/*ARGSUSED*/
843e19887f64dde75055cf8842fc4db2171eff45johnlev extern void xvdi_watch_devices(int);
551bc2a66868b5cb5be6b70ab9f55515e77a39a9mrj if (ddi_hold_installed_driver(ddi_name_to_major("xpv")) ==
06bbe1e05e4f6fd0773ee85a50c0de7adfc4fa06edp#endif /* XPV_HVM_DRIVER */
843e19887f64dde75055cf8842fc4db2171eff45johnlev if (ndi_event_alloc_hdl(devi, 0, &xpvd_ndi_event_handle,
843e19887f64dde75055cf8842fc4db2171eff45johnlev if (ndi_event_bind_set(xpvd_ndi_event_handle, &xpvd_ndi_events,
06bbe1e05e4f6fd0773ee85a50c0de7adfc4fa06edp (void) ddi_prop_update_int(DDI_DEV_T_NONE, devi, DDI_NO_AUTODETACH, 1);
6eb35ee750312cc65aa066dd0f625b9d54c6f86erab * Report our version to dom0.
349b53dd4e695e3d833b5380540385145b2d3ae8Stuart Maybee if (xenbus_printf(XBT_NULL, "guest/xpvd", "version", "%d",
06bbe1e05e4f6fd0773ee85a50c0de7adfc4fa06edp#endif /* XPV_HVM_DRIVER */
843e19887f64dde75055cf8842fc4db2171eff45johnlev /* watch both frontend and backend for new devices */
843e19887f64dde75055cf8842fc4db2171eff45johnlev (void) xs_register_xenbus_callback(xvdi_watch_devices);
843e19887f64dde75055cf8842fc4db2171eff45johnlev/*ARGSUSED*/
843e19887f64dde75055cf8842fc4db2171eff45johnlev * xpvd_prop_op()
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Query xenstore for the value of properties if DDI_PROP_NOTPROM
843e19887f64dde75055cf8842fc4db2171eff45johnlev * is not set. Xenstore property values are represented as ascii strings.
843e19887f64dde75055cf8842fc4db2171eff45johnlevxpvd_prop_op(dev_t dev, dev_info_t *dip, dev_info_t *ch_dip,
843e19887f64dde75055cf8842fc4db2171eff45johnlev ddi_prop_op_t prop_op, int mod_flags, char *name, caddr_t valuep,
843e19887f64dde75055cf8842fc4db2171eff45johnlev pdp = (struct xendev_ppd *)ddi_get_parent_data(ch_dip);
843e19887f64dde75055cf8842fc4db2171eff45johnlev if ((pdp == NULL) || !(mod_flags & (DDI_PROP_CANSLEEP)) ||
843e19887f64dde75055cf8842fc4db2171eff45johnlev (mod_flags & DDI_PROP_NOTPROM) || (pdp->xd_xsdev.nodename == NULL))
843e19887f64dde75055cf8842fc4db2171eff45johnlev * First try reading the property off the the frontend. if that
843e19887f64dde75055cf8842fc4db2171eff45johnlev * fails, try and read it from the backend node. If that
843e19887f64dde75055cf8842fc4db2171eff45johnlev * also fails, pass the request on the DDI framework
843e19887f64dde75055cf8842fc4db2171eff45johnlev if ((xenbus_read(XBT_NULL, pdp->xd_xsdev.nodename, name, &prop_str,
843e19887f64dde75055cf8842fc4db2171eff45johnlev &len) == 0) && (prop_str != NULL) && (strlen(prop_str) != 0))
843e19887f64dde75055cf8842fc4db2171eff45johnlev (xenbus_read(XBT_NULL, pdp->xd_xsdev.otherend, name, &prop_str,
843e19887f64dde75055cf8842fc4db2171eff45johnlev &len) == 0) && (prop_str != NULL) && (strlen(prop_str) != 0))
843e19887f64dde75055cf8842fc4db2171eff45johnlev mod_flags | DDI_PROP_NOTPROM, name, valuep, lengthp));
843e19887f64dde75055cf8842fc4db2171eff45johnlev * return address of the device's interrupt spec structure.
843e19887f64dde75055cf8842fc4db2171eff45johnlev/*ARGSUSED*/
843e19887f64dde75055cf8842fc4db2171eff45johnlev * return (and determine) the interrupt priority of the device.
843e19887f64dde75055cf8842fc4db2171eff45johnlev/*ARGSUSED*/
843e19887f64dde75055cf8842fc4db2171eff45johnlevxpvd_get_priority(dev_info_t *dip, int inum, int *pri)
843e19887f64dde75055cf8842fc4db2171eff45johnlev DDI_INTR_NEXDBG((CE_CONT, "xpvd_get_priority: dip = 0x%p\n",
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Set the default priority based on the device class. The
843e19887f64dde75055cf8842fc4db2171eff45johnlev * "interrupt-priorities" property can be used to override
843e19887f64dde75055cf8842fc4db2171eff45johnlev * the default.
843e19887f64dde75055cf8842fc4db2171eff45johnlev ispec->intrspec_pri = xendev_devclass_ipl(pdp->xd_devclass);
843e19887f64dde75055cf8842fc4db2171eff45johnlev * xpvd_intr_ops: bus_intr_op() function for interrupt support
843e19887f64dde75055cf8842fc4db2171eff45johnlev/* ARGSUSED */
843e19887f64dde75055cf8842fc4db2171eff45johnlevxpvd_intr_ops(dev_info_t *pdip, dev_info_t *rdip, ddi_intr_op_t intr_op,
843e19887f64dde75055cf8842fc4db2171eff45johnlev "xpvd_intr_ops: pdip 0x%p, rdip 0x%p, op %x handle 0x%p\n",
843e19887f64dde75055cf8842fc4db2171eff45johnlev (void *)pdip, (void *)rdip, intr_op, (void *)hdlp));
843e19887f64dde75055cf8842fc4db2171eff45johnlev /* Process the request */
843e19887f64dde75055cf8842fc4db2171eff45johnlev /* Fixed supported by default */
843e19887f64dde75055cf8842fc4db2171eff45johnlev * FIXED interrupts: just return available interrupts
843e19887f64dde75055cf8842fc4db2171eff45johnlev * event channels are edge-triggered, maskable,
843e19887f64dde75055cf8842fc4db2171eff45johnlev * and support int pending.
843e19887f64dde75055cf8842fc4db2171eff45johnlev ispec->intrspec_pri = 0; /* mark as un-initialized */
843e19887f64dde75055cf8842fc4db2171eff45johnlev if (xpvd_get_priority(rdip, hdlp->ih_inum, &priority) !=
843e19887f64dde75055cf8842fc4db2171eff45johnlev DDI_INTR_NEXDBG((CE_CONT, "xpvd_intr_ops: priority = 0x%x\n",
843e19887f64dde75055cf8842fc4db2171eff45johnlev /* Validate the interrupt priority passed */
843e19887f64dde75055cf8842fc4db2171eff45johnlev /* Ensure that PSM is all initialized */
843e19887f64dde75055cf8842fc4db2171eff45johnlev /* Change the priority */
843e19887f64dde75055cf8842fc4db2171eff45johnlev if ((*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_SET_PRI, result) ==
843e19887f64dde75055cf8842fc4db2171eff45johnlev /* update ispec */
843e19887f64dde75055cf8842fc4db2171eff45johnlev pdp = (struct xendev_ppd *)ddi_get_parent_data(rdip);
843e19887f64dde75055cf8842fc4db2171eff45johnlev * event channels are edge-triggered, maskable,
843e19887f64dde75055cf8842fc4db2171eff45johnlev * and support int pending.
843e19887f64dde75055cf8842fc4db2171eff45johnlev *(int *)result = 0;
843e19887f64dde75055cf8842fc4db2171eff45johnlev DDI_INTR_NEXDBG((CE_CONT, "xpvd: GETCAP returned = %x\n",
843e19887f64dde75055cf8842fc4db2171eff45johnlev DDI_INTR_NEXDBG((CE_CONT, "xpvd_intr_ops: SETCAP cap=0x%x\n",
843e19887f64dde75055cf8842fc4db2171eff45johnlev if ((*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_SET_CAP, result)) {
843e19887f64dde75055cf8842fc4db2171eff45johnlev " returned failure\n"));
843e19887f64dde75055cf8842fc4db2171eff45johnlev if (xpvd_enable_intr(rdip, hdlp, (int)hdlp->ih_inum) !=
843e19887f64dde75055cf8842fc4db2171eff45johnlev DDI_INTR_NEXDBG((CE_CONT, "xpvd_intr_ops: ENABLE vec=0x%x\n",
843e19887f64dde75055cf8842fc4db2171eff45johnlev DDI_INTR_NEXDBG((CE_CONT, "xpvd_intr_ops: DISABLE vec = %x\n",
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Handle this here
843e19887f64dde75055cf8842fc4db2171eff45johnlev DDI_INTR_NEXDBG((CE_CONT, "xpvd: GETPENDING returned = %x\n",
843e19887f64dde75055cf8842fc4db2171eff45johnlev DDI_INTR_NEXDBG((CE_CONT, "xpvd: NAVAIL returned = %x\n",
843e19887f64dde75055cf8842fc4db2171eff45johnlev return (i_ddi_intr_ops(pdip, rdip, intr_op, hdlp, result));
843e19887f64dde75055cf8842fc4db2171eff45johnlevxpvd_enable_intr(dev_info_t *rdip, ddi_intr_handle_impl_t *hdlp, int inum)
843e19887f64dde75055cf8842fc4db2171eff45johnlev ihdl_plat_t *ihdl_plat_datap = (ihdl_plat_t *)hdlp->ih_private;
843e19887f64dde75055cf8842fc4db2171eff45johnlev DDI_INTR_NEXDBG((CE_CONT, "xpvd_enable_intr: hdlp %p inum %x\n",
843e19887f64dde75055cf8842fc4db2171eff45johnlev ihdl_plat_datap->ip_ispecp = xpvd_get_ispec(rdip, inum);
843e19887f64dde75055cf8842fc4db2171eff45johnlev /* translate the interrupt if needed */
843e19887f64dde75055cf8842fc4db2171eff45johnlev (void) (*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_XLATE_VECTOR, &vector);
843e19887f64dde75055cf8842fc4db2171eff45johnlev DDI_INTR_NEXDBG((CE_CONT, "xpvd_enable_intr: priority=%x vector=%x\n",
843e19887f64dde75055cf8842fc4db2171eff45johnlev /* Add the interrupt handler */
843e19887f64dde75055cf8842fc4db2171eff45johnlev if (!add_avintr((void *)hdlp, hdlp->ih_pri, hdlp->ih_cb_func,
843e19887f64dde75055cf8842fc4db2171eff45johnlev /* Note this really is an irq. */
843e19887f64dde75055cf8842fc4db2171eff45johnlevxpvd_disable_intr(dev_info_t *rdip, ddi_intr_handle_impl_t *hdlp, int inum)
843e19887f64dde75055cf8842fc4db2171eff45johnlev ihdl_plat_t *ihdl_plat_datap = (ihdl_plat_t *)hdlp->ih_private;
843e19887f64dde75055cf8842fc4db2171eff45johnlev DDI_INTR_NEXDBG((CE_CONT, "xpvd_disable_intr: \n"));
843e19887f64dde75055cf8842fc4db2171eff45johnlev ihdl_plat_datap->ip_ispecp = xpvd_get_ispec(rdip, inum);
843e19887f64dde75055cf8842fc4db2171eff45johnlev /* translate the interrupt if needed */
843e19887f64dde75055cf8842fc4db2171eff45johnlev (void) (*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_XLATE_VECTOR, &vector);
843e19887f64dde75055cf8842fc4db2171eff45johnlev /* Disable the interrupt handler */
843e19887f64dde75055cf8842fc4db2171eff45johnlev rem_avintr((void *)hdlp, hdlp->ih_pri, hdlp->ih_cb_func, vector);
843e19887f64dde75055cf8842fc4db2171eff45johnlev/*ARGSUSED*/
843e19887f64dde75055cf8842fc4db2171eff45johnlev cmn_err(CE_CONT, "?%s@%s, %s%d\n", ddi_node_name(rdip),
843e19887f64dde75055cf8842fc4db2171eff45johnlev /* NOTREACHED */
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Assign the address portion of the node name
06bbe1e05e4f6fd0773ee85a50c0de7adfc4fa06edpxpvd_name_child(dev_info_t *child, char *addr, int addrlen)
843e19887f64dde75055cf8842fc4db2171eff45johnlev * i_xpvd_parse_devname() knows the formats used by this
843e19887f64dde75055cf8842fc4db2171eff45johnlev * routine. If this code changes, so must that.
843e19887f64dde75055cf8842fc4db2171eff45johnlev if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, child, DDI_PROP_DONTPASS,
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Use "domain" and "vdev" properties (backend drivers).
06bbe1e05e4f6fd0773ee85a50c0de7adfc4fa06edp (void) snprintf(addr, addrlen, "%d,%d", domain[0], vdev[0]);
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Use "unit-address" property (frontend/softdev drivers).
06bbe1e05e4f6fd0773ee85a50c0de7adfc4fa06edp if (ddi_prop_lookup_string(DDI_DEV_T_ANY, child, DDI_PROP_DONTPASS,
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Pseudo nodes indicate a prototype node with per-instance
843e19887f64dde75055cf8842fc4db2171eff45johnlev * properties to be merged into the real h/w device node.
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Try to merge the properties from this prototype
843e19887f64dde75055cf8842fc4db2171eff45johnlev * node into real h/w nodes.
843e19887f64dde75055cf8842fc4db2171eff45johnlev if (ndi_merge_node(child, xpvd_name_child) == DDI_SUCCESS) {
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Merged ok - return failure to remove the node.
843e19887f64dde75055cf8842fc4db2171eff45johnlev * The child was not merged into a h/w node,
843e19887f64dde75055cf8842fc4db2171eff45johnlev * but there's not much we can do with it other
843e19887f64dde75055cf8842fc4db2171eff45johnlev * than return failure to cause the node to be removed.
843e19887f64dde75055cf8842fc4db2171eff45johnlev cmn_err(CE_WARN, "!%s@%s: %s.conf properties not merged",
06bbe1e05e4f6fd0773ee85a50c0de7adfc4fa06edp if (xpvd_name_child(child, addr, sizeof (addr)) != DDI_SUCCESS) {
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Strip the node to properly convert it back to prototype
843e19887f64dde75055cf8842fc4db2171eff45johnlevxpvd_bus_unconfig(dev_info_t *parent, uint_t flag, ddi_bus_config_op_t op,
843e19887f64dde75055cf8842fc4db2171eff45johnlev return (ndi_busop_bus_unconfig(parent, flag, op, device_name));
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Given the name of a child of xpvd, determine the device class,
843e19887f64dde75055cf8842fc4db2171eff45johnlev * domain and vdevnum to which it refers.
843e19887f64dde75055cf8842fc4db2171eff45johnlevi_xpvd_parse_devname(char *name, xendev_devclass_t *devclassp,
843e19887f64dde75055cf8842fc4db2171eff45johnlev i_ddi_parse_name(device_name, &cname, &caddr, NULL);
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Parsing the address component requires knowledge of how
843e19887f64dde75055cf8842fc4db2171eff45johnlev * xpvd_name_child() works. If that code changes, so must
843e19887f64dde75055cf8842fc4db2171eff45johnlev /* Backend format is "<domain>,<vdev>". */
843e19887f64dde75055cf8842fc4db2171eff45johnlev /* Frontend format is "<vdev>". */
843e19887f64dde75055cf8842fc4db2171eff45johnlev * xpvd_bus_config()
843e19887f64dde75055cf8842fc4db2171eff45johnlev * BUS_CONFIG_ONE:
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Enumerate the exact instance of a driver.
843e19887f64dde75055cf8842fc4db2171eff45johnlev * BUS_CONFIG_ALL:
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Enumerate all the instances of all the possible children (seen before
843e19887f64dde75055cf8842fc4db2171eff45johnlev * and never seen before).
843e19887f64dde75055cf8842fc4db2171eff45johnlev * BUS_CONFIG_DRIVER:
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Enumerate all the instances of a particular driver.
843e19887f64dde75055cf8842fc4db2171eff45johnlevxpvd_bus_config(dev_info_t *parent, uint_t flag, ddi_bus_config_op_t op,
843e19887f64dde75055cf8842fc4db2171eff45johnlev if (!i_xpvd_parse_devname(arg, &devclass, &dom, &vdev)) {
843e19887f64dde75055cf8842fc4db2171eff45johnlev *childp = xvdi_find_dev(parent, devclass, dom, vdev);
843e19887f64dde75055cf8842fc4db2171eff45johnlev *childp = xvdi_create_dev(parent, devclass, dom, vdev);
843e19887f64dde75055cf8842fc4db2171eff45johnlev /* NOTREACHED */
843e19887f64dde75055cf8842fc4db2171eff45johnlev/*ARGSUSED*/
843e19887f64dde75055cf8842fc4db2171eff45johnlevxpvd_get_eventcookie(dev_info_t *dip, dev_info_t *rdip,
843e19887f64dde75055cf8842fc4db2171eff45johnlev return (ndi_event_retrieve_cookie(xpvd_ndi_event_handle,
843e19887f64dde75055cf8842fc4db2171eff45johnlev/*ARGSUSED*/
843e19887f64dde75055cf8842fc4db2171eff45johnlevxpvd_add_eventcall(dev_info_t *dip, dev_info_t *rdip,
843e19887f64dde75055cf8842fc4db2171eff45johnlev ddi_eventcookie_t cookie, void (*callback)(dev_info_t *dip,
843e19887f64dde75055cf8842fc4db2171eff45johnlev ddi_eventcookie_t cookie, void *arg, void *bus_impldata),
843e19887f64dde75055cf8842fc4db2171eff45johnlev return (ndi_event_add_callback(xpvd_ndi_event_handle,
843e19887f64dde75055cf8842fc4db2171eff45johnlev/*ARGSUSED*/
843e19887f64dde75055cf8842fc4db2171eff45johnlevxpvd_remove_eventcall(dev_info_t *dip, ddi_callback_id_t cb_id)
843e19887f64dde75055cf8842fc4db2171eff45johnlev return (ndi_event_remove_callback(xpvd_ndi_event_handle,
843e19887f64dde75055cf8842fc4db2171eff45johnlev/*ARGSUSED*/