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 * Copyright 2019, Joyent, Inc.
25 */
26
27 #include <sys/mdb_modapi.h>
28 #include <sys/proc.h>
29 #include <sys/types.h>
30 #include <sys/sunddi.h>
31 #include <sys/ddi_hp.h>
32 #include "devinfo.h"
33
34 static char *
ddihp_get_cn_state(ddi_hp_cn_state_t state)35 ddihp_get_cn_state(ddi_hp_cn_state_t state)
36 {
37 switch (state) {
38 case DDI_HP_CN_STATE_EMPTY:
39 return ("Empty");
40 case DDI_HP_CN_STATE_PRESENT:
41 return ("Present");
42 case DDI_HP_CN_STATE_POWERED:
43 return ("Powered");
44 case DDI_HP_CN_STATE_ENABLED:
45 return ("Enabled");
46 case DDI_HP_CN_STATE_PORT_EMPTY:
47 return ("Port_Empty");
48 case DDI_HP_CN_STATE_PORT_PRESENT:
49 return ("Port_Present");
50 case DDI_HP_CN_STATE_OFFLINE:
51 return ("Offline");
52 case DDI_HP_CN_STATE_ATTACHED:
53 return ("Attached");
54 case DDI_HP_CN_STATE_MAINTENANCE:
55 return ("Maintenance");
56 case DDI_HP_CN_STATE_ONLINE:
57 return ("Online");
58 default:
59 return ("Unknown");
60 }
61 }
62
63 /*ARGSUSED*/
64 static int
hotplug_print(uintptr_t addr,struct dev_info * dev,devinfo_cb_data_t * data)65 hotplug_print(uintptr_t addr, struct dev_info *dev, devinfo_cb_data_t *data)
66 {
67 ddi_hp_cn_handle_t hdl;
68 uintptr_t hdlp = (uintptr_t)dev->devi_hp_hdlp;
69 char cn_type[15];
70 char cn_name[15];
71
72 while (hdlp) {
73 if (mdb_vread(&hdl, sizeof (ddi_hp_cn_handle_t), hdlp) == -1) {
74 mdb_warn("Failed to read hdlp!\n");
75 return (DCMD_ERR);
76 }
77
78 if (!(data->di_flags & DEVINFO_HP_PHYSICAL) ||
79 hdl.cn_info.cn_type != DDI_HP_CN_TYPE_VIRTUAL_PORT) {
80 if (mdb_readstr(cn_type, sizeof (cn_type),
81 (uintptr_t)hdl.cn_info.cn_type_str) == -1) {
82 mdb_warn("Failed to read cn_type!\n");
83 return (DCMD_ERR);
84 }
85 if (mdb_readstr(cn_name, sizeof (cn_name),
86 (uintptr_t)hdl.cn_info.cn_name) == -1) {
87 mdb_warn("Failed to read cn_name!\n");
88 return (DCMD_ERR);
89 }
90 mdb_printf("%?p %?p %-12s %-15s %-15s\n", hdl.cn_dip,
91 hdlp, ddihp_get_cn_state(hdl.cn_info.cn_state),
92 cn_type, cn_name);
93 }
94 hdlp = (uintptr_t)hdl.next;
95 };
96
97 return (WALK_NEXT);
98 }
99
100 void
hotplug_help(void)101 hotplug_help(void)
102 {
103 mdb_printf("Switches:\n"
104 " -p only print the physical hotplug connectors\n");
105 }
106
107 int
hotplug(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)108 hotplug(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
109 {
110 devinfo_cb_data_t data;
111 uintptr_t devinfo_root; /* Address of root of devinfo tree */
112 ddi_hp_cn_handle_t hdl;
113 char cn_type[15];
114 char cn_name[15];
115 int status;
116
117 data.di_flags = 0;
118 data.di_filter = NULL;
119 data.di_instance = UINT64_MAX;
120 if (mdb_getopts(argc, argv,
121 'p', MDB_OPT_SETBITS, DEVINFO_HP_PHYSICAL, &data.di_flags, NULL)
122 != argc)
123 return (DCMD_USAGE);
124
125 if (DCMD_HDRSPEC(flags)) {
126 mdb_printf("%<u>%?s %?s %-12s %-15s %-15s%</u>\n",
127 "PARENT_DEVINFO", "HANDLE", "STATE", "TYPE", "CN_NAME");
128 }
129
130 if ((flags & DCMD_ADDRSPEC) == 0) {
131 data.di_flags |= DEVINFO_PARENT | DEVINFO_CHILD;
132
133 if (mdb_readvar(&devinfo_root, "top_devinfo") == -1) {
134 mdb_warn("failed to read 'top_devinfo'");
135 return (0);
136 }
137
138 data.di_base = devinfo_root;
139 status = mdb_pwalk("devinfo", (mdb_walk_cb_t)hotplug_print,
140 &data, devinfo_root);
141 if (status == -1) {
142 mdb_warn("couldn't walk devinfo tree");
143 return (DCMD_ERR);
144 }
145 return (DCMD_OK);
146 }
147
148 if (mdb_vread(&hdl, sizeof (ddi_hp_cn_handle_t), (uintptr_t)addr)
149 == -1) {
150 mdb_warn("Failed to read hdlp!\n");
151 return (DCMD_ERR);
152 }
153 if (mdb_readstr(cn_type, sizeof (cn_type),
154 (uintptr_t)hdl.cn_info.cn_type_str) == -1) {
155 mdb_warn("Failed to read cn_type!\n");
156 return (DCMD_ERR);
157 }
158 if (mdb_readstr(cn_name, sizeof (cn_name),
159 (uintptr_t)hdl.cn_info.cn_name) == -1) {
160 mdb_warn("Failed to read cn_name!\n");
161 return (DCMD_ERR);
162 }
163 mdb_printf("%?p %?p %-12s %-15s %-15s\n", hdl.cn_dip, addr,
164 ddihp_get_cn_state(hdl.cn_info.cn_state), cn_type, cn_name);
165
166 return (DCMD_OK);
167 }
168