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 2008 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 #include <npi.h>
27 #include <sys/nxge/nxge_impl.h>
28
29 nxge_os_mutex_t npidebuglock;
30 int npi_debug_init = 0;
31 uint64_t npi_debug_level = 0;
32
33 extern void npi_trace_dump(rtrace_t *, int);
34
35 void
npi_debug_msg(npi_handle_function_t function,uint64_t level,char * fmt,...)36 npi_debug_msg(npi_handle_function_t function, uint64_t level, char *fmt, ...)
37 {
38 char msg_buffer[1024];
39 char prefix_buffer[32];
40 int cmn_level = CE_CONT;
41 va_list ap;
42
43 if ((level & npi_debug_level) ||
44 (level & NPI_REG_CTL) ||
45 (level & NPI_ERR_CTL)) {
46
47 if (npi_debug_init == 0) {
48 MUTEX_INIT(&npidebuglock, NULL, MUTEX_DRIVER, NULL);
49 npi_debug_init = 1;
50 }
51
52 MUTEX_ENTER(&npidebuglock);
53
54 if (level & NPI_ERR_CTL) {
55 cmn_level = CE_WARN;
56 }
57
58 va_start(ap, fmt);
59 (void) vsprintf(msg_buffer, fmt, ap);
60 va_end(ap);
61
62 (void) sprintf(prefix_buffer, "%s%d(%d):", "npi",
63 function.instance, function.function);
64
65 MUTEX_EXIT(&npidebuglock);
66 cmn_err(cmn_level, "!%s %s\n", prefix_buffer, msg_buffer);
67 }
68 }
69
70 void
npi_rtrace_buf_init(rtrace_t * rt)71 npi_rtrace_buf_init(rtrace_t *rt)
72 {
73 int i;
74
75 rt->next_idx = 0;
76 rt->last_idx = MAX_RTRACE_ENTRIES - 1;
77 rt->wrapped = B_FALSE;
78 for (i = 0; i < MAX_RTRACE_ENTRIES; i++) {
79 rt->buf[i].ctl_addr = TRACE_CTL_INVALID;
80 rt->buf[i].val_l32 = 0;
81 rt->buf[i].val_h32 = 0;
82 }
83 }
84
85 void
npi_rtrace_update(npi_handle_t handle,boolean_t wr,rtrace_t * rt,uint32_t addr,uint64_t val)86 npi_rtrace_update(npi_handle_t handle, boolean_t wr, rtrace_t *rt,
87 uint32_t addr, uint64_t val)
88 {
89 int idx;
90 idx = rt->next_idx;
91 if (wr == B_TRUE)
92 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK)
93 | TRACE_CTL_WR;
94 else
95 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK);
96 rt->buf[idx].ctl_addr |= (((handle.function.function
97 << TRACE_FUNC_SHIFT) & TRACE_FUNC_MASK) |
98 ((handle.function.instance
99 << TRACE_INST_SHIFT) & TRACE_INST_MASK));
100 rt->buf[idx].val_l32 = val & 0xFFFFFFFF;
101 rt->buf[idx].val_h32 = (val >> 32) & 0xFFFFFFFF;
102 rt->next_idx++;
103 if (rt->next_idx > rt->last_idx) {
104 rt->next_idx = 0;
105 rt->wrapped = B_TRUE;
106 }
107 }
108
109 void
npi_trace_update(npi_handle_t handle,boolean_t wr,rtrace_t * rt,const char * name,uint32_t addr,uint64_t val)110 npi_trace_update(npi_handle_t handle, boolean_t wr, rtrace_t *rt,
111 const char *name, uint32_t addr, uint64_t val)
112 {
113 int idx;
114 idx = rt->next_idx;
115 if (wr == B_TRUE)
116 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK)
117 | TRACE_CTL_WR;
118 else
119 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK);
120 /*
121 * Control Address field format
122 *
123 * Bit 0 - 23: Address
124 * Bit 24 - 25: Function Number
125 * Bit 26 - 29: Instance Number
126 * Bit 30: Read/Write Direction bit
127 * Bit 31: Invalid bit
128 */
129 rt->buf[idx].ctl_addr |= (((handle.function.function
130 << TRACE_FUNC_SHIFT) & TRACE_FUNC_MASK) |
131 ((handle.function.instance
132 << TRACE_INST_SHIFT) & TRACE_INST_MASK));
133 rt->buf[idx].val_l32 = val & 0xFFFFFFFF;
134 rt->buf[idx].val_h32 = (val >> 32) & 0xFFFFFFFF;
135 (void) strncpy(rt->buf[idx].name, name, 15);
136 rt->next_idx++;
137 if (rt->next_idx > rt->last_idx) {
138 rt->next_idx = 0;
139 rt->wrapped = B_TRUE;
140 }
141 }
142
143 #if defined(NPI_DEBUG)
144 void
npi_trace_dump(rtrace_t * rt,int count)145 npi_trace_dump(
146 rtrace_t *rt,
147 int count)
148 {
149 rt_buf_t *trace;
150 int cursor, i;
151
152 if (count == 0 || count > MAX_RTRACE_ENTRIES)
153 count = 32;
154
155 /*
156 * Starting with the last recorded entry,
157 * dump the <count> most recent records.
158 */
159 cursor = rt->next_idx;
160 cursor = (cursor == 0) ? rt->last_idx : cursor - 1;
161
162 for (i = 0; i < count; i++) {
163 trace = &rt->buf[cursor];
164 if (trace->ctl_addr == 0)
165 break;
166 cmn_err(CE_NOTE, "%16s @ 0x%08x: 0x%08x.%08x: %c",
167 trace->name, trace->ctl_addr,
168 trace->val_h32, trace->val_l32,
169 trace->ctl_addr & TRACE_CTL_WR ? 'W' : 'R');
170 cursor = (cursor == 0) ? rt->last_idx : cursor - 1;
171 }
172 }
173 #endif
174