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 #pragma ident "%Z%%M% %I% %E% SMI"
27
28 #include <npi.h>
29 #include <sys/nxge/nxge_impl.h>
30
31 nxge_os_mutex_t npidebuglock;
32 int npi_debug_init = 0;
33 uint64_t npi_debug_level = 0;
34
35 extern void npi_trace_dump(rtrace_t *, int);
36
37 void
npi_debug_msg(npi_handle_function_t function,uint64_t level,char * fmt,...)38 npi_debug_msg(npi_handle_function_t function, uint64_t level, char *fmt, ...)
39 {
40 char msg_buffer[1024];
41 char prefix_buffer[32];
42 int cmn_level = CE_CONT;
43 va_list ap;
44
45 if ((level & npi_debug_level) ||
46 (level & NPI_REG_CTL) ||
47 (level & NPI_ERR_CTL)) {
48
49 if (npi_debug_init == 0) {
50 MUTEX_INIT(&npidebuglock, NULL, MUTEX_DRIVER, NULL);
51 npi_debug_init = 1;
52 }
53
54 MUTEX_ENTER(&npidebuglock);
55
56 if (level & NPI_ERR_CTL) {
57 cmn_level = CE_WARN;
58 }
59
60 va_start(ap, fmt);
61 (void) vsprintf(msg_buffer, fmt, ap);
62 va_end(ap);
63
64 (void) sprintf(prefix_buffer, "%s%d(%d):", "npi",
65 function.instance, function.function);
66
67 MUTEX_EXIT(&npidebuglock);
68 cmn_err(cmn_level, "!%s %s\n", prefix_buffer, msg_buffer);
69 }
70 }
71
72 void
npi_rtrace_buf_init(rtrace_t * rt)73 npi_rtrace_buf_init(rtrace_t *rt)
74 {
75 int i;
76
77 rt->next_idx = 0;
78 rt->last_idx = MAX_RTRACE_ENTRIES - 1;
79 rt->wrapped = B_FALSE;
80 for (i = 0; i < MAX_RTRACE_ENTRIES; i++) {
81 rt->buf[i].ctl_addr = TRACE_CTL_INVALID;
82 rt->buf[i].val_l32 = 0;
83 rt->buf[i].val_h32 = 0;
84 }
85 }
86
87 void
npi_rtrace_update(npi_handle_t handle,boolean_t wr,rtrace_t * rt,uint32_t addr,uint64_t val)88 npi_rtrace_update(npi_handle_t handle, boolean_t wr, rtrace_t *rt,
89 uint32_t addr, uint64_t val)
90 {
91 int idx;
92 idx = rt->next_idx;
93 if (wr == B_TRUE)
94 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK)
95 | TRACE_CTL_WR;
96 else
97 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK);
98 rt->buf[idx].ctl_addr |= (((handle.function.function
99 << TRACE_FUNC_SHIFT) & TRACE_FUNC_MASK) |
100 ((handle.function.instance
101 << TRACE_INST_SHIFT) & TRACE_INST_MASK));
102 rt->buf[idx].val_l32 = val & 0xFFFFFFFF;
103 rt->buf[idx].val_h32 = (val >> 32) & 0xFFFFFFFF;
104 rt->next_idx++;
105 if (rt->next_idx > rt->last_idx) {
106 rt->next_idx = 0;
107 rt->wrapped = B_TRUE;
108 }
109 }
110
111 void
npi_trace_update(npi_handle_t handle,boolean_t wr,rtrace_t * rt,const char * name,uint32_t addr,uint64_t val)112 npi_trace_update(npi_handle_t handle, boolean_t wr, rtrace_t *rt,
113 const char *name, uint32_t addr, uint64_t val)
114 {
115 int idx;
116 idx = rt->next_idx;
117 if (wr == B_TRUE)
118 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK)
119 | TRACE_CTL_WR;
120 else
121 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK);
122 /*
123 * Control Address field format
124 *
125 * Bit 0 - 23: Address
126 * Bit 24 - 25: Function Number
127 * Bit 26 - 29: Instance Number
128 * Bit 30: Read/Write Direction bit
129 * Bit 31: Invalid bit
130 */
131 rt->buf[idx].ctl_addr |= (((handle.function.function
132 << TRACE_FUNC_SHIFT) & TRACE_FUNC_MASK) |
133 ((handle.function.instance
134 << TRACE_INST_SHIFT) & TRACE_INST_MASK));
135 rt->buf[idx].val_l32 = val & 0xFFFFFFFF;
136 rt->buf[idx].val_h32 = (val >> 32) & 0xFFFFFFFF;
137 (void) strncpy(rt->buf[idx].name, name, 15);
138 rt->next_idx++;
139 if (rt->next_idx > rt->last_idx) {
140 rt->next_idx = 0;
141 rt->wrapped = B_TRUE;
142 }
143 }
144
145 #if defined(NPI_DEBUG)
146 void
npi_trace_dump(rtrace_t * rt,int count)147 npi_trace_dump(
148 rtrace_t *rt,
149 int count)
150 {
151 rt_buf_t *trace;
152 int cursor, i;
153
154 if (count == 0 || count > MAX_RTRACE_ENTRIES)
155 count = 32;
156
157 /*
158 * Starting with the last recorded entry,
159 * dump the <count> most recent records.
160 */
161 cursor = rt->next_idx;
162 cursor = (cursor == 0) ? rt->last_idx : cursor - 1;
163
164 for (i = 0; i < count; i++) {
165 trace = &rt->buf[cursor];
166 if (trace->ctl_addr == 0)
167 break;
168 cmn_err(CE_NOTE, "%16s @ 0x%08x: 0x%08x.%08x: %c",
169 trace->name, trace->ctl_addr,
170 trace->val_h32, trace->val_l32,
171 trace->ctl_addr & TRACE_CTL_WR ? 'W' : 'R');
172 cursor = (cursor == 0) ? rt->last_idx : cursor - 1;
173 }
174 }
175 #endif
176