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/*
* 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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <npi.h>
#include <sys/nxge/nxge_impl.h>
nxge_os_mutex_t npidebuglock;
int npi_debug_init = 0;
uint64_t npi_debug_level = 0;
extern void npi_trace_dump(rtrace_t *, int);
void
npi_debug_msg(npi_handle_function_t function, uint64_t level, char *fmt, ...)
{
char msg_buffer[1024];
char prefix_buffer[32];
int cmn_level = CE_CONT;
va_list ap;
if ((level & npi_debug_level) ||
(level & NPI_REG_CTL) ||
(level & NPI_ERR_CTL)) {
if (npi_debug_init == 0) {
MUTEX_INIT(&npidebuglock, NULL, MUTEX_DRIVER, NULL);
npi_debug_init = 1;
}
MUTEX_ENTER(&npidebuglock);
if (level & NPI_ERR_CTL) {
cmn_level = CE_WARN;
}
va_start(ap, fmt);
(void) vsprintf(msg_buffer, fmt, ap);
va_end(ap);
(void) sprintf(prefix_buffer, "%s%d(%d):", "npi",
function.instance, function.function);
MUTEX_EXIT(&npidebuglock);
cmn_err(cmn_level, "!%s %s\n", prefix_buffer, msg_buffer);
}
}
void
npi_rtrace_buf_init(rtrace_t *rt)
{
int i;
rt->next_idx = 0;
rt->last_idx = MAX_RTRACE_ENTRIES - 1;
rt->wrapped = B_FALSE;
for (i = 0; i < MAX_RTRACE_ENTRIES; i++) {
rt->buf[i].ctl_addr = TRACE_CTL_INVALID;
rt->buf[i].val_l32 = 0;
rt->buf[i].val_h32 = 0;
}
}
void
npi_rtrace_update(npi_handle_t handle, boolean_t wr, rtrace_t *rt,
uint32_t addr, uint64_t val)
{
int idx;
idx = rt->next_idx;
if (wr == B_TRUE)
rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK)
| TRACE_CTL_WR;
else
rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK);
rt->buf[idx].ctl_addr |= (((handle.function.function
<< TRACE_FUNC_SHIFT) & TRACE_FUNC_MASK) |
((handle.function.instance
<< TRACE_INST_SHIFT) & TRACE_INST_MASK));
rt->buf[idx].val_l32 = val & 0xFFFFFFFF;
rt->buf[idx].val_h32 = (val >> 32) & 0xFFFFFFFF;
rt->next_idx++;
if (rt->next_idx > rt->last_idx) {
rt->next_idx = 0;
rt->wrapped = B_TRUE;
}
}
void
npi_trace_update(npi_handle_t handle, boolean_t wr, rtrace_t *rt,
const char *name, uint32_t addr, uint64_t val)
{
int idx;
idx = rt->next_idx;
if (wr == B_TRUE)
rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK)
| TRACE_CTL_WR;
else
rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK);
/*
* Control Address field format
*
* Bit 0 - 23: Address
* Bit 24 - 25: Function Number
* Bit 26 - 29: Instance Number
* Bit 30: Read/Write Direction bit
* Bit 31: Invalid bit
*/
rt->buf[idx].ctl_addr |= (((handle.function.function
<< TRACE_FUNC_SHIFT) & TRACE_FUNC_MASK) |
((handle.function.instance
<< TRACE_INST_SHIFT) & TRACE_INST_MASK));
rt->buf[idx].val_l32 = val & 0xFFFFFFFF;
rt->buf[idx].val_h32 = (val >> 32) & 0xFFFFFFFF;
(void) strncpy(rt->buf[idx].name, name, 15);
rt->next_idx++;
if (rt->next_idx > rt->last_idx) {
rt->next_idx = 0;
rt->wrapped = B_TRUE;
}
}
#if defined(NPI_DEBUG)
void
npi_trace_dump(
rtrace_t *rt,
int count)
{
rt_buf_t *trace;
int cursor, i;
if (count == 0 || count > MAX_RTRACE_ENTRIES)
count = 32;
/*
* Starting with the last recorded entry,
* dump the <count> most recent records.
*/
cursor = rt->next_idx;
cursor = (cursor == 0) ? rt->last_idx : cursor - 1;
for (i = 0; i < count; i++) {
trace = &rt->buf[cursor];
if (trace->ctl_addr == 0)
break;
cmn_err(CE_NOTE, "%16s @ 0x%08x: 0x%08x.%08x: %c",
trace->name, trace->ctl_addr,
trace->val_h32, trace->val_l32,
trace->ctl_addr & TRACE_CTL_WR ? 'W' : 'R');
cursor = (cursor == 0) ? rt->last_idx : cursor - 1;
}
}
#endif
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