1*936b7af6Sjw149990 /*
2*936b7af6Sjw149990 * CDDL HEADER START
3*936b7af6Sjw149990 *
4*936b7af6Sjw149990 * The contents of this file are subject to the terms of the
5*936b7af6Sjw149990 * Common Development and Distribution License (the "License").
6*936b7af6Sjw149990 * You may not use this file except in compliance with the License.
7*936b7af6Sjw149990 *
8*936b7af6Sjw149990 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*936b7af6Sjw149990 * or http://www.opensolaris.org/os/licensing.
10*936b7af6Sjw149990 * See the License for the specific language governing permissions
11*936b7af6Sjw149990 * and limitations under the License.
12*936b7af6Sjw149990 *
13*936b7af6Sjw149990 * When distributing Covered Code, include this CDDL HEADER in each
14*936b7af6Sjw149990 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*936b7af6Sjw149990 * If applicable, add the following below this CDDL HEADER, with the
16*936b7af6Sjw149990 * fields enclosed by brackets "[]" replaced with your own identifying
17*936b7af6Sjw149990 * information: Portions Copyright [yyyy] [name of copyright owner]
18*936b7af6Sjw149990 *
19*936b7af6Sjw149990 * CDDL HEADER END
20*936b7af6Sjw149990 */
21*936b7af6Sjw149990
22*936b7af6Sjw149990 /*
23*936b7af6Sjw149990 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
24*936b7af6Sjw149990 * Use is subject to license terms.
25*936b7af6Sjw149990 */
26*936b7af6Sjw149990
27*936b7af6Sjw149990 #pragma ident "%Z%%M% %I% %E% SMI"
28*936b7af6Sjw149990
29*936b7af6Sjw149990 #include <devfsadm.h>
30*936b7af6Sjw149990 #include <strings.h>
31*936b7af6Sjw149990 #include <stdlib.h>
32*936b7af6Sjw149990 #include <limits.h>
33*936b7af6Sjw149990 #include <bsm/devalloc.h>
34*936b7af6Sjw149990
35*936b7af6Sjw149990 #define SMP_LINK_RE "^smp/expd[0-9]+$"
36*936b7af6Sjw149990 #define SMP_CLASS "sas"
37*936b7af6Sjw149990 #define SMP_DRV_NAME "smp"
38*936b7af6Sjw149990
39*936b7af6Sjw149990 static int smp_callback(di_minor_t minor, di_node_t node);
40*936b7af6Sjw149990
41*936b7af6Sjw149990 static devfsadm_create_t smp_create_cbt[] = {
42*936b7af6Sjw149990 { SMP_CLASS, "ddi_sas_smp", SMP_DRV_NAME,
43*936b7af6Sjw149990 TYPE_EXACT | DRV_EXACT, ILEVEL_0, smp_callback
44*936b7af6Sjw149990 }
45*936b7af6Sjw149990 };
46*936b7af6Sjw149990
47*936b7af6Sjw149990 DEVFSADM_CREATE_INIT_V0(smp_create_cbt);
48*936b7af6Sjw149990
49*936b7af6Sjw149990 /*
50*936b7af6Sjw149990 * HOT auto cleanup of smp links not desired.
51*936b7af6Sjw149990 */
52*936b7af6Sjw149990 static devfsadm_remove_t smp_remove_cbt[] = {
53*936b7af6Sjw149990 { SMP_CLASS, SMP_LINK_RE, RM_PRE,
54*936b7af6Sjw149990 ILEVEL_0, devfsadm_rm_all
55*936b7af6Sjw149990 }
56*936b7af6Sjw149990 };
57*936b7af6Sjw149990
58*936b7af6Sjw149990 DEVFSADM_REMOVE_INIT_V0(smp_remove_cbt);
59*936b7af6Sjw149990
60*936b7af6Sjw149990 /*
61*936b7af6Sjw149990 * Create link for expander devices as form
62*936b7af6Sjw149990 * dev/smp/expd0 -> ../../devices/pci@0,0/.../smp@w5001636000005aff:smp
63*936b7af6Sjw149990 */
64*936b7af6Sjw149990 static int
smp_callback(di_minor_t minor,di_node_t node)65*936b7af6Sjw149990 smp_callback(di_minor_t minor, di_node_t node)
66*936b7af6Sjw149990 {
67*936b7af6Sjw149990 char l_path[PATH_MAX + 1];
68*936b7af6Sjw149990 char *buf;
69*936b7af6Sjw149990 char *mn;
70*936b7af6Sjw149990 char *devfspath;
71*936b7af6Sjw149990 devfsadm_enumerate_t rules[1] = {"smp/expd([0-9]+)", 1, MATCH_ADDR};
72*936b7af6Sjw149990
73*936b7af6Sjw149990 mn = di_minor_name(minor);
74*936b7af6Sjw149990
75*936b7af6Sjw149990 devfspath = di_devfs_path(node);
76*936b7af6Sjw149990
77*936b7af6Sjw149990 (void) strcpy(l_path, devfspath);
78*936b7af6Sjw149990 (void) strcat(l_path, ":");
79*936b7af6Sjw149990 (void) strcat(l_path, mn);
80*936b7af6Sjw149990
81*936b7af6Sjw149990 di_devfs_path_free(devfspath);
82*936b7af6Sjw149990
83*936b7af6Sjw149990 if (devfsadm_enumerate_int(l_path, 0, &buf, rules, 1)) {
84*936b7af6Sjw149990 return (DEVFSADM_CONTINUE);
85*936b7af6Sjw149990 }
86*936b7af6Sjw149990
87*936b7af6Sjw149990 (void) strcpy(l_path, "smp/expd");
88*936b7af6Sjw149990 (void) strcat(l_path, buf);
89*936b7af6Sjw149990 free(buf);
90*936b7af6Sjw149990
91*936b7af6Sjw149990 (void) devfsadm_mklink(l_path, node, minor, 0);
92*936b7af6Sjw149990
93*936b7af6Sjw149990 return (DEVFSADM_CONTINUE);
94*936b7af6Sjw149990 }
95