1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 #include <sys/mdb_modapi.h>
27 #include <sys/proc.h>
28 #include <sys/types.h>
29 #include <sys/sunddi.h>
30 #include <sys/ddi_hp.h>
31 #include "devinfo.h"
32
33 static char *
ddihp_get_cn_state(ddi_hp_cn_state_t state)34 ddihp_get_cn_state(ddi_hp_cn_state_t state)
35 {
36 switch (state) {
37 case DDI_HP_CN_STATE_EMPTY:
38 return ("Empty");
39 case DDI_HP_CN_STATE_PRESENT:
40 return ("Present");
41 case DDI_HP_CN_STATE_POWERED:
42 return ("Powered");
43 case DDI_HP_CN_STATE_ENABLED:
44 return ("Enabled");
45 case DDI_HP_CN_STATE_PORT_EMPTY:
46 return ("Port_Empty");
47 case DDI_HP_CN_STATE_PORT_PRESENT:
48 return ("Port_Present");
49 case DDI_HP_CN_STATE_OFFLINE:
50 return ("Offline");
51 case DDI_HP_CN_STATE_ATTACHED:
52 return ("Attached");
53 case DDI_HP_CN_STATE_MAINTENANCE:
54 return ("Maintenance");
55 case DDI_HP_CN_STATE_ONLINE:
56 return ("Online");
57 default:
58 return ("Unknown");
59 }
60 }
61
62 /*ARGSUSED*/
63 static int
hotplug_print(uintptr_t addr,struct dev_info * dev,devinfo_cb_data_t * data)64 hotplug_print(uintptr_t addr, struct dev_info *dev, devinfo_cb_data_t *data)
65 {
66 ddi_hp_cn_handle_t hdl;
67 uintptr_t hdlp = (uintptr_t)dev->devi_hp_hdlp;
68 char cn_type[15];
69 char cn_name[15];
70
71 while (hdlp) {
72 if (mdb_vread(&hdl, sizeof (ddi_hp_cn_handle_t), hdlp) == -1) {
73 mdb_warn("Failed to read hdlp!\n");
74 return (DCMD_ERR);
75 }
76
77 if (!(data->di_flags & DEVINFO_HP_PHYSICAL) ||
78 hdl.cn_info.cn_type != DDI_HP_CN_TYPE_VIRTUAL_PORT) {
79 if (mdb_readstr(cn_type, sizeof (cn_type),
80 (uintptr_t)hdl.cn_info.cn_type_str) == -1) {
81 mdb_warn("Failed to read cn_type!\n");
82 return (DCMD_ERR);
83 }
84 if (mdb_readstr(cn_name, sizeof (cn_name),
85 (uintptr_t)hdl.cn_info.cn_name) == -1) {
86 mdb_warn("Failed to read cn_name!\n");
87 return (DCMD_ERR);
88 }
89 mdb_printf("%?p %?p %-12s %-15s %-15s\n", hdl.cn_dip,
90 hdlp, ddihp_get_cn_state(hdl.cn_info.cn_state),
91 cn_type, cn_name);
92 }
93 hdlp = (uintptr_t)hdl.next;
94 };
95
96 return (WALK_NEXT);
97 }
98
99 void
hotplug_help(void)100 hotplug_help(void)
101 {
102 mdb_printf("Switches:\n"
103 " -p only print the physical hotplug connectors\n");
104 }
105
106 int
hotplug(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)107 hotplug(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
108 {
109 devinfo_cb_data_t data;
110 uintptr_t devinfo_root; /* Address of root of devinfo tree */
111 ddi_hp_cn_handle_t hdl;
112 char cn_type[15];
113 char cn_name[15];
114 int status;
115
116 data.di_flags = 0;
117 if (mdb_getopts(argc, argv,
118 'p', MDB_OPT_SETBITS, DEVINFO_HP_PHYSICAL, &data.di_flags, NULL)
119 != argc)
120 return (DCMD_USAGE);
121
122 if (DCMD_HDRSPEC(flags)) {
123 mdb_printf("%<u>%?s %?s %-12s %-15s %-15s%</u>\n",
124 "PARENT_DEVINFO", "HANDLE", "STATE", "TYPE", "CN_NAME");
125 }
126
127 if ((flags & DCMD_ADDRSPEC) == 0) {
128 data.di_flags |= DEVINFO_PARENT | DEVINFO_CHILD;
129
130 if (mdb_readvar(&devinfo_root, "top_devinfo") == -1) {
131 mdb_warn("failed to read 'top_devinfo'");
132 return (NULL);
133 }
134
135 data.di_base = devinfo_root;
136 status = mdb_pwalk("devinfo", (mdb_walk_cb_t)hotplug_print,
137 &data, devinfo_root);
138 if (status == -1) {
139 mdb_warn("couldn't walk devinfo tree");
140 return (DCMD_ERR);
141 }
142 return (DCMD_OK);
143 }
144
145 if (mdb_vread(&hdl, sizeof (ddi_hp_cn_handle_t), (uintptr_t)addr)
146 == -1) {
147 mdb_warn("Failed to read hdlp!\n");
148 return (DCMD_ERR);
149 }
150 if (mdb_readstr(cn_type, sizeof (cn_type),
151 (uintptr_t)hdl.cn_info.cn_type_str) == -1) {
152 mdb_warn("Failed to read cn_type!\n");
153 return (DCMD_ERR);
154 }
155 if (mdb_readstr(cn_name, sizeof (cn_name),
156 (uintptr_t)hdl.cn_info.cn_name) == -1) {
157 mdb_warn("Failed to read cn_name!\n");
158 return (DCMD_ERR);
159 }
160 mdb_printf("%?p %?p %-12s %-15s %-15s\n", hdl.cn_dip, addr,
161 ddihp_get_cn_state(hdl.cn_info.cn_state), cn_type, cn_name);
162
163 return (DCMD_OK);
164 }
165