1843e1988Sjohnlev /* 2843e1988Sjohnlev * CDDL HEADER START 3843e1988Sjohnlev * 4843e1988Sjohnlev * The contents of this file are subject to the terms of the 5843e1988Sjohnlev * Common Development and Distribution License (the "License"). 6843e1988Sjohnlev * You may not use this file except in compliance with the License. 7843e1988Sjohnlev * 8843e1988Sjohnlev * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9843e1988Sjohnlev * or http://www.opensolaris.org/os/licensing. 10843e1988Sjohnlev * See the License for the specific language governing permissions 11843e1988Sjohnlev * and limitations under the License. 12843e1988Sjohnlev * 13843e1988Sjohnlev * When distributing Covered Code, include this CDDL HEADER in each 14843e1988Sjohnlev * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15843e1988Sjohnlev * If applicable, add the following below this CDDL HEADER, with the 16843e1988Sjohnlev * fields enclosed by brackets "[]" replaced with your own identifying 17843e1988Sjohnlev * information: Portions Copyright [yyyy] [name of copyright owner] 18843e1988Sjohnlev * 19843e1988Sjohnlev * CDDL HEADER END 20843e1988Sjohnlev */ 21843e1988Sjohnlev 22843e1988Sjohnlev /* 23*39b361b2SRichard Bean * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24843e1988Sjohnlev * Use is subject to license terms. 25843e1988Sjohnlev */ 26843e1988Sjohnlev 27843e1988Sjohnlev #include <sys/types.h> 28843e1988Sjohnlev #include <sys/hypervisor.h> 29843e1988Sjohnlev #include <sys/sunndi.h> 30843e1988Sjohnlev #include <sys/sunddi.h> 31843e1988Sjohnlev #include <sys/ddi_subrdefs.h> 32843e1988Sjohnlev #include <sys/bootconf.h> 33843e1988Sjohnlev #include <sys/psw.h> 34843e1988Sjohnlev #include <sys/modctl.h> 35843e1988Sjohnlev #include <sys/errno.h> 36843e1988Sjohnlev #include <sys/reboot.h> 37843e1988Sjohnlev #include <sys/hypervisor.h> 38843e1988Sjohnlev #include <xen/sys/xenbus_comms.h> 39843e1988Sjohnlev #include <xen/sys/xenbus_impl.h> 40843e1988Sjohnlev #include <xen/sys/xendev.h> 41843e1988Sjohnlev 42843e1988Sjohnlev extern int xen_boot_debug; 43843e1988Sjohnlev 44843e1988Sjohnlev /* 45843e1988Sjohnlev * Internal structures and functions 46843e1988Sjohnlev */ 47843e1988Sjohnlev int xendev_nounload = 0; 48843e1988Sjohnlev void xendev_enumerate(int); 49843e1988Sjohnlev 50843e1988Sjohnlev /* 51843e1988Sjohnlev * Interface routines 52843e1988Sjohnlev */ 53843e1988Sjohnlev 54843e1988Sjohnlev static struct modlmisc modlmisc = { 55*39b361b2SRichard Bean &mod_miscops, "virtual device probe" 56843e1988Sjohnlev }; 57843e1988Sjohnlev 58843e1988Sjohnlev static struct modlinkage modlinkage = { 59843e1988Sjohnlev MODREV_1, (void *)&modlmisc, NULL 60843e1988Sjohnlev }; 61843e1988Sjohnlev 62843e1988Sjohnlev int 63843e1988Sjohnlev _init(void) 64843e1988Sjohnlev { 65843e1988Sjohnlev int err; 66843e1988Sjohnlev 67843e1988Sjohnlev if ((err = mod_install(&modlinkage)) != 0) 68843e1988Sjohnlev return (err); 69843e1988Sjohnlev 70843e1988Sjohnlev impl_bus_add_probe(xendev_enumerate); 71843e1988Sjohnlev return (0); 72843e1988Sjohnlev } 73843e1988Sjohnlev 74843e1988Sjohnlev int 75843e1988Sjohnlev _fini(void) 76843e1988Sjohnlev { 77843e1988Sjohnlev int err; 78843e1988Sjohnlev 79843e1988Sjohnlev if (xendev_nounload) 80843e1988Sjohnlev return (EBUSY); 81843e1988Sjohnlev 82843e1988Sjohnlev if ((err = mod_remove(&modlinkage)) != 0) 83843e1988Sjohnlev return (err); 84843e1988Sjohnlev 85843e1988Sjohnlev impl_bus_delete_probe(xendev_enumerate); 86843e1988Sjohnlev return (0); 87843e1988Sjohnlev } 88843e1988Sjohnlev 89843e1988Sjohnlev int 90843e1988Sjohnlev _info(struct modinfo *modinfop) 91843e1988Sjohnlev { 92843e1988Sjohnlev return (mod_info(&modlinkage, modinfop)); 93843e1988Sjohnlev } 94843e1988Sjohnlev 95843e1988Sjohnlev 96843e1988Sjohnlev /* 97843e1988Sjohnlev * This functions is invoked twice, first time with reprogram=0 to 98843e1988Sjohnlev * set up the xpvd portion of the device tree. The second time is 99843e1988Sjohnlev * ignored. 100843e1988Sjohnlev */ 101843e1988Sjohnlev void 102843e1988Sjohnlev xendev_enumerate(int reprogram) 103843e1988Sjohnlev { 104843e1988Sjohnlev dev_info_t *dip; 105843e1988Sjohnlev 106843e1988Sjohnlev if (reprogram != 0) 107843e1988Sjohnlev return; 108843e1988Sjohnlev 109843e1988Sjohnlev ndi_devi_alloc_sleep(ddi_root_node(), "xpvd", 110843e1988Sjohnlev (pnode_t)DEVI_SID_NODEID, &dip); 111843e1988Sjohnlev 112843e1988Sjohnlev (void) ndi_devi_bind_driver(dip, 0); 113843e1988Sjohnlev 114843e1988Sjohnlev /* 115843e1988Sjohnlev * Too early to enumerate split device drivers in domU 116843e1988Sjohnlev * since we need to create taskq thread during enumeration. 117843e1988Sjohnlev * So, we only enumerate softdevs and console here. 118843e1988Sjohnlev */ 119843e1988Sjohnlev xendev_enum_all(dip, B_TRUE); 120843e1988Sjohnlev } 121