/*
* 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) 2010, Oracle and/or its affiliates. All rights reserved.
*/
#include <sys/types.h>
#include <sys/kmem.h>
#include <sys/cmn_err.h>
#include <sys/conf.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
#include <sys/ksynch.h>
#include <sys/varargs.h>
#include <sys/ib/clients/eoib/eib_impl.h>
/*
* Defaults
*/
uint_t eib_log_size = EIB_LOGSZ_DEFAULT;
int eib_log_level = EIB_MSGS_DEFAULT | EIB_MSGS_DEBUG;
int eib_log_timestamps = 0;
/*
* Debug variables, should not be tunables so allocated debug buffer
* and its size remain consistent.
*/
static kmutex_t eib_debug_buf_lock;
static uint8_t *eib_debug_buf;
static uint32_t eib_debug_buf_ndx;
static uint_t eib_debug_buf_sz = 0;
/*
* Local declarations
*/
static void eib_log(char *);
void
eib_debug_init(void)
{
eib_debug_buf_ndx = 0;
eib_debug_buf_sz = eib_log_size;
eib_debug_buf = kmem_zalloc(eib_debug_buf_sz, KM_SLEEP);
mutex_init(&eib_debug_buf_lock, NULL, MUTEX_DRIVER, NULL);
}
void
eib_debug_fini(void)
{
mutex_destroy(&eib_debug_buf_lock);
if (eib_debug_buf && eib_debug_buf_sz) {
kmem_free(eib_debug_buf, eib_debug_buf_sz);
eib_debug_buf = NULL;
}
eib_debug_buf_sz = 0;
eib_debug_buf_ndx = 0;
}
void
eib_log(char *msg)
{
uint32_t off;
int msglen;
char msgbuf[EIB_MAX_LINE];
if (eib_debug_buf == NULL)
return;
if (eib_log_timestamps) {
msglen = snprintf(msgbuf, EIB_MAX_LINE, "%llx: %s",
(unsigned long long)ddi_get_lbolt64(), msg);
} else {
msglen = snprintf(msgbuf, EIB_MAX_LINE, "%s", msg);
}
if (msglen < 0)
return;
else if (msglen >= EIB_MAX_LINE)
msglen = EIB_MAX_LINE - 1;
mutex_enter(&eib_debug_buf_lock);
if ((eib_debug_buf_ndx == 0) ||
(eib_debug_buf[eib_debug_buf_ndx-1] != '\n')) {
eib_debug_buf[eib_debug_buf_ndx] = '\n';
eib_debug_buf_ndx++;
}
off = eib_debug_buf_ndx; /* current msg should go here */
eib_debug_buf_ndx += msglen; /* next msg should start here */
eib_debug_buf[eib_debug_buf_ndx] = 0; /* terminate current msg */
if (eib_debug_buf_ndx >= (eib_debug_buf_sz - 2 * EIB_MAX_LINE))
eib_debug_buf_ndx = 0;
mutex_exit(&eib_debug_buf_lock);
bcopy(msgbuf, eib_debug_buf+off, msglen); /* no lock needed */
}
#ifdef EIB_DEBUG
void
eib_dprintf_verbose(int inst, const char *fmt, ...)
{
va_list ap;
int msglen;
char msgbuf[EIB_MAX_LINE];
char newfmt[EIB_MAX_LINE];
if ((eib_log_level & EIB_MSGS_VERBOSE) != EIB_MSGS_VERBOSE)
return;
(void) snprintf(newfmt, EIB_MAX_LINE, "eoib%d__%s", inst, fmt);
va_start(ap, fmt);
msglen = vsnprintf(msgbuf, EIB_MAX_LINE, newfmt, ap);
va_end(ap);
if (msglen > 0) {
eib_log(msgbuf);
}
}
void
eib_dprintf_pkt(int inst, uint8_t *pkt, uint_t sz)
{
char msgbuf[EIB_MAX_LINE];
char *bufp;
uint8_t *p = pkt;
uint_t len;
uint_t i;
if ((eib_log_level & EIB_MSGS_PKT) != EIB_MSGS_PKT)
return;
while (sz >= 16) {
(void) snprintf(msgbuf, EIB_MAX_LINE,
"eoib%02d__%02x %02x %02x %02x %02x %02x %02x %02x "
"%02x %02x %02x %02x %02x %02x %02x %02x\n", inst,
p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],
p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]);
eib_log(msgbuf);
p += 16;
sz -= 16;
}
len = EIB_MAX_LINE;
bufp = msgbuf;
for (i = 0; i < sz; i++) {
if (i == 0) {
(void) snprintf(bufp, len, "eoib%02d__%02x ",
inst, p[i]);
len -= 11;
bufp += 11;
} else if (i < (sz - 1)) {
(void) snprintf(bufp, len, "%02x ", p[i]);
len -= 3;
bufp += 3;
} else {
(void) snprintf(bufp, len, "%02x\n", p[i]);
len -= 3;
bufp += 3;
}
}
eib_log(msgbuf);
}
void
eib_dprintf_args(int inst, const char *fmt, ...)
{
va_list ap;
int msglen;
char msgbuf[EIB_MAX_LINE];
char newfmt[EIB_MAX_LINE];
if ((eib_log_level & EIB_MSGS_ARGS) != EIB_MSGS_ARGS)
return;
(void) snprintf(newfmt, EIB_MAX_LINE, "eoib%d__%s", inst, fmt);
va_start(ap, fmt);
msglen = vsnprintf(msgbuf, EIB_MAX_LINE, newfmt, ap);
va_end(ap);
if (msglen > 0) {
eib_log(msgbuf);
}
}
void
eib_dprintf_debug(int inst, const char *fmt, ...)
{
va_list ap;
int msglen;
char msgbuf[EIB_MAX_LINE];
char newfmt[EIB_MAX_LINE];
if ((eib_log_level & EIB_MSGS_DEBUG) != EIB_MSGS_DEBUG)
return;
(void) snprintf(newfmt, EIB_MAX_LINE, "eoib%d__%s", inst, fmt);
va_start(ap, fmt);
msglen = vsnprintf(msgbuf, EIB_MAX_LINE, newfmt, ap);
va_end(ap);
if (msglen > 0) {
eib_log(msgbuf);
}
}
#endif
void
eib_dprintf_warn(int inst, const char *fmt, ...)
{
va_list ap;
int msglen;
char msgbuf[EIB_MAX_LINE];
char newfmt[EIB_MAX_LINE];
if ((eib_log_level & EIB_MSGS_WARN) != EIB_MSGS_WARN)
return;
(void) snprintf(newfmt, EIB_MAX_LINE, "eoib%d__%s", inst, fmt);
va_start(ap, fmt);
msglen = vsnprintf(msgbuf, EIB_MAX_LINE, newfmt, ap);
va_end(ap);
if (msglen > 0) {
eib_log(msgbuf);
}
}
void
eib_dprintf_err(int inst, const char *fmt, ...)
{
va_list ap;
int msglen;
char msgbuf[EIB_MAX_LINE];
char newfmt[EIB_MAX_LINE];
if ((eib_log_level & EIB_MSGS_ERR) != EIB_MSGS_ERR)
return;
(void) snprintf(newfmt, EIB_MAX_LINE, "eoib%d__%s", inst, fmt);
va_start(ap, fmt);
msglen = vsnprintf(msgbuf, EIB_MAX_LINE, newfmt, ap);
va_end(ap);
if (msglen > 0) {
eib_log(msgbuf);
cmn_err(CE_WARN, "!%s\n", msgbuf);
}
}
void
eib_dprintf_crit(int inst, const char *fmt, ...)
{
va_list ap;
int msglen;
char msgbuf[EIB_MAX_LINE];
char newfmt[EIB_MAX_LINE];
if ((eib_log_level & EIB_MSGS_CRIT) != EIB_MSGS_CRIT)
return;
(void) snprintf(newfmt, EIB_MAX_LINE, "eoib%d__%s", inst, fmt);
va_start(ap, fmt);
msglen = vsnprintf(msgbuf, EIB_MAX_LINE, newfmt, ap);
va_end(ap);
if (msglen > 0) {
eib_log(msgbuf);
cmn_err(CE_PANIC, "!%s\n", msgbuf);
}
}