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 <hpi.h>
27 #include <hxge_impl.h>
28
29 static hxge_os_mutex_t hpidebuglock;
30 static int hpi_debug_init = 0;
31 uint64_t hpi_debug_level = 0x0;
32
33 void
hpi_debug_msg(hpi_handle_function_t function,uint64_t level,char * fmt,...)34 hpi_debug_msg(hpi_handle_function_t function, uint64_t level, char *fmt, ...)
35 {
36 char msg_buffer[1024];
37 char prefix_buffer[32];
38 int cmn_level = CE_CONT;
39 va_list ap;
40
41 if ((level & hpi_debug_level) ||
42 (level & HPI_REG_CTL) || (level & HPI_ERR_CTL)) {
43
44 if (hpi_debug_init == 0) {
45 MUTEX_INIT(&hpidebuglock, NULL, MUTEX_DRIVER, NULL);
46 hpi_debug_init = 1;
47 }
48
49 MUTEX_ENTER(&hpidebuglock);
50
51 if (level & HPI_ERR_CTL) {
52 cmn_level = CE_WARN;
53 }
54
55 va_start(ap, fmt);
56 (void) vsprintf(msg_buffer, fmt, ap);
57 va_end(ap);
58
59 (void) sprintf(prefix_buffer, "%s%d(%d):", "hpi",
60 function.instance, function.function);
61
62 cmn_err(cmn_level, "%s %s\n", prefix_buffer, msg_buffer);
63 MUTEX_EXIT(&hpidebuglock);
64 }
65 }
66
67 void
hpi_rtrace_buf_init(rtrace_t * rt)68 hpi_rtrace_buf_init(rtrace_t *rt)
69 {
70 int i;
71
72 rt->next_idx = 0;
73 rt->last_idx = MAX_RTRACE_ENTRIES - 1;
74 rt->wrapped = B_FALSE;
75 for (i = 0; i < MAX_RTRACE_ENTRIES; i++) {
76 rt->buf[i].ctl_addr = TRACE_CTL_INVALID;
77 rt->buf[i].val_l32 = 0;
78 rt->buf[i].val_h32 = 0;
79 }
80 }
81
82 void
hpi_rtrace_update(hpi_handle_t handle,boolean_t wr,rtrace_t * rt,uint32_t addr,uint64_t val)83 hpi_rtrace_update(hpi_handle_t handle, boolean_t wr, rtrace_t *rt,
84 uint32_t addr, uint64_t val)
85 {
86 int idx;
87 idx = rt->next_idx;
88 if (wr == B_TRUE)
89 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK) | TRACE_CTL_WR;
90 else
91 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK);
92 rt->buf[idx].ctl_addr |= (((handle.function.function
93 << TRACE_FUNC_SHIFT) & TRACE_FUNC_MASK) |
94 ((handle.function.instance << TRACE_INST_SHIFT) & TRACE_INST_MASK));
95 rt->buf[idx].val_l32 = val & 0xFFFFFFFF;
96 rt->buf[idx].val_h32 = (val >> 32) & 0xFFFFFFFF;
97 rt->next_idx++;
98 if (rt->next_idx > rt->last_idx) {
99 rt->next_idx = 0;
100 rt->wrapped = B_TRUE;
101 }
102 }
103