1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
/*
* 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 (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#include <sys/mdb_modapi.h>
#include <sys/proc.h>
#include <sys/types.h>
#include <sys/sunddi.h>
#include <sys/ddi_intr.h>
#include <sys/ddi_intr_impl.h>
#include <stddef.h>
#include "list.h"
extern int mdb_devinfo2driver(uintptr_t, char *, size_t);
static char *
irm_get_type(int type)
{
if (type == (DDI_INTR_TYPE_MSI | DDI_INTR_TYPE_MSIX))
return ("MSI/X");
switch (type) {
case DDI_INTR_TYPE_FIXED:
return ("Fixed");
case DDI_INTR_TYPE_MSI:
return ("MSI");
case DDI_INTR_TYPE_MSIX:
return ("MSI-X");
default:
return ("Unknown");
}
}
static int
check_irm_enabled(void)
{
GElf_Sym sym;
uintptr_t addr;
int value;
if (mdb_lookup_by_name("irm_enable", &sym) == -1) {
mdb_warn("couldn't find irm_enable");
return (0);
}
addr = (uintptr_t)sym.st_value;
if (mdb_vread(&value, sizeof (value), addr) != sizeof (value)) {
mdb_warn("couldn't read irm_enable at %p", addr);
return (0);
}
return (value);
}
int
irmpools_walk_init(mdb_walk_state_t *wsp)
{
GElf_Sym sym;
if (mdb_lookup_by_name("irm_pools_list", &sym) == -1) {
mdb_warn("couldn't find irm_pools_list");
return (WALK_ERR);
}
wsp->walk_addr = (uintptr_t)sym.st_value;
return (list_walk_init_named(wsp, "interrupt pools", "pool"));
}
int
irmreqs_walk_init(mdb_walk_state_t *wsp)
{
wsp->walk_addr = (uintptr_t)(wsp->walk_addr +
offsetof(ddi_irm_pool_t, ipool_req_list));
return (list_walk_init_named(wsp, "interrupt requests", "request"));
}
int
irmpools_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
ddi_irm_pool_t pool;
struct dev_info dev;
char driver[MODMAXNAMELEN + 1] = "";
char devname[MODMAXNAMELEN + 1] = "";
if (argc != 0)
return (DCMD_USAGE);
if (check_irm_enabled() == 0) {
mdb_warn("IRM is not enabled");
return (DCMD_ERR);
}
if (!(flags & DCMD_ADDRSPEC)) {
if (mdb_walk_dcmd("irmpools", "irmpools", argc, argv) == -1) {
mdb_warn("can't walk interrupt pools");
return (DCMD_ERR);
}
return (DCMD_OK);
}
if (DCMD_HDRSPEC(flags)) {
mdb_printf("%<u>%?s %-18s %-8s %-6s %-9s %-8s%</u>\n",
"ADDR", "OWNER", "TYPE", "SIZE", "REQUESTED", "RESERVED");
}
if (mdb_vread(&pool, sizeof (pool), addr) != sizeof (pool)) {
mdb_warn("couldn't read interrupt pool at %p", addr);
return (DCMD_ERR);
}
if (mdb_vread(&dev, sizeof (dev),
(uintptr_t)pool.ipool_owner) != sizeof (dev)) {
mdb_warn("couldn't read dev_info at %p", pool.ipool_owner);
return (DCMD_ERR);
}
mdb_devinfo2driver((uintptr_t)pool.ipool_owner, driver,
sizeof (driver));
/*
* Include driver instance number only if the node has an
* instance number assigned (i.e. instance != -1) to it.
* This will cover cases like rootnex driver which doesn't
* have instance number assigned to it.
*/
if (dev.devi_instance != -1)
mdb_snprintf(devname, sizeof (devname), "%s#%d", driver,
dev.devi_instance);
else
mdb_snprintf(devname, sizeof (devname), "%s", driver);
mdb_printf("%0?p %-18s %-8s %-6d %-9d %-8d\n", addr, devname,
irm_get_type(pool.ipool_types), pool.ipool_totsz,
pool.ipool_reqno, pool.ipool_resno);
return (DCMD_OK);
}
int
irmreqs_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
if (argc != 0)
return (DCMD_USAGE);
if (check_irm_enabled() == 0) {
mdb_warn("IRM is not enabled");
return (DCMD_ERR);
}
if (!(flags & DCMD_ADDRSPEC)) {
mdb_warn("can't perform global interrupt request walk");
return (DCMD_ERR);
}
if (mdb_pwalk_dcmd("irmreqs", "irmreq", argc, argv, addr) == -1) {
mdb_warn("can't walk interrupt requests");
return (DCMD_ERR);
}
return (DCMD_OK);
}
/*ARGSUSED*/
int
irmreq_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
ddi_irm_req_t req;
struct dev_info dev;
struct devinfo_intr intr;
char driver[MODMAXNAMELEN + 1] = "";
char devname[MODMAXNAMELEN + 1] = "";
if (argc != 0)
return (DCMD_USAGE);
if (!(flags & DCMD_ADDRSPEC)) {
return (DCMD_ERR);
}
if (DCMD_HDRSPEC(flags)) {
mdb_printf("%<u>%?s %-18s %-8s %-8s %-6s %-4s "
"%-6s%</u>\n", "ADDR", "OWNER", "TYPE", "CALLBACK",
"NINTRS", "NREQ", "NAVAIL");
}
if (mdb_vread(&req, sizeof (req), addr) != sizeof (req)) {
mdb_warn("couldn't read interrupt request at %p", addr);
return (DCMD_ERR);
}
if (mdb_vread(&dev, sizeof (dev),
(uintptr_t)req.ireq_dip) != sizeof (dev)) {
mdb_warn("couldn't read dev_info at %p", req.ireq_dip);
return (DCMD_ERR);
}
if (mdb_vread(&intr, sizeof (intr),
(uintptr_t)dev.devi_intr_p) != sizeof (intr)) {
mdb_warn("couldn't read devinfo_intr at %p", dev.devi_intr_p);
return (DCMD_ERR);
}
mdb_devinfo2driver((uintptr_t)req.ireq_dip, driver, sizeof (driver));
mdb_snprintf(devname, sizeof (devname), "%s#%d", driver,
dev.devi_instance);
mdb_printf("%0?p %-18s %-8s %-8s %-6d %-4d %-6d\n",
addr, devname, irm_get_type(req.ireq_type),
(req.ireq_flags & DDI_IRM_FLAG_CALLBACK) ? "Yes" : "No",
intr.devi_intr_sup_nintrs, req.ireq_nreq, req.ireq_navail);
return (DCMD_OK);
}
|
