diff options
Diffstat (limited to 'kvm_link.c')
-rw-r--r-- | kvm_link.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/kvm_link.c b/kvm_link.c new file mode 100644 index 0000000..ef2ab7a --- /dev/null +++ b/kvm_link.c @@ -0,0 +1,59 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (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 2011 Joyent Inc. All rights reserved. + * Use is subject to license terms. + */ + +#include <devfsadm.h> +#include <strings.h> +#include <stdio.h> +#include <sys/dtrace.h> + +static int devfs_kvm_ln(di_minor_t minor, di_node_t node); + +/* + * The amount of documentation for this format is unsurprisingly limited. There + * is probably a better match that we could do. This is modeled off of the + * misc_link_i386.c things that we are matching. Like xsvc and its ilk we look + * for most ddi_psuedo devices and look for node names that are kvm. + */ +static devfsadm_create_t devfs_kvm_create_cbt[] = { + { "pseudo", "ddi_pseudo", NULL, TYPE_EXACT, ILEVEL_0, devfs_kvm_ln } +}; + +DEVFSADM_CREATE_INIT_V0(devfs_kvm_create_cbt); + +static int +devfs_kvm_ln(di_minor_t minor, di_node_t node) +{ + char *mn; + + if (strcmp(di_node_name(node), "kvm") != 0) + return (DEVFSADM_CONTINUE); + + mn = di_minor_name(minor); + if (mn == NULL) + return (DEVFSADM_CONTINUE); + + (void) devfsadm_mklink(mn, node, minor, 0); + return (DEVFSADM_CONTINUE); +} |