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      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 <hpi.h>
     29 #include <hxge_impl.h>
     30 
     31 static hxge_os_mutex_t hpidebuglock;
     32 static int hpi_debug_init = 0;
     33 uint64_t hpi_debug_level = 0x0;
     34 
     35 void
     36 hpi_debug_msg(hpi_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 & hpi_debug_level) ||
     44 	    (level & HPI_REG_CTL) || (level & HPI_ERR_CTL)) {
     45 
     46 		if (hpi_debug_init == 0) {
     47 			MUTEX_INIT(&hpidebuglock, NULL, MUTEX_DRIVER, NULL);
     48 			hpi_debug_init = 1;
     49 		}
     50 
     51 		MUTEX_ENTER(&hpidebuglock);
     52 
     53 		if (level & HPI_ERR_CTL) {
     54 			cmn_level = CE_WARN;
     55 		}
     56 
     57 		va_start(ap, fmt);
     58 		(void) vsprintf(msg_buffer, fmt, ap);
     59 		va_end(ap);
     60 
     61 		(void) sprintf(prefix_buffer, "%s%d(%d):", "hpi",
     62 		    function.instance, function.function);
     63 
     64 		cmn_err(cmn_level, "%s %s\n", prefix_buffer, msg_buffer);
     65 		MUTEX_EXIT(&hpidebuglock);
     66 	}
     67 }
     68 
     69 void
     70 hpi_rtrace_buf_init(rtrace_t *rt)
     71 {
     72 	int i;
     73 
     74 	rt->next_idx = 0;
     75 	rt->last_idx = MAX_RTRACE_ENTRIES - 1;
     76 	rt->wrapped = B_FALSE;
     77 	for (i = 0; i < MAX_RTRACE_ENTRIES; i++) {
     78 		rt->buf[i].ctl_addr = TRACE_CTL_INVALID;
     79 		rt->buf[i].val_l32 = 0;
     80 		rt->buf[i].val_h32 = 0;
     81 	}
     82 }
     83 
     84 void
     85 hpi_rtrace_update(hpi_handle_t handle, boolean_t wr, rtrace_t *rt,
     86     uint32_t addr, uint64_t val)
     87 {
     88 	int idx;
     89 	idx = rt->next_idx;
     90 	if (wr == B_TRUE)
     91 		rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK) | TRACE_CTL_WR;
     92 	else
     93 		rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK);
     94 	rt->buf[idx].ctl_addr |= (((handle.function.function
     95 	    << TRACE_FUNC_SHIFT) & TRACE_FUNC_MASK) |
     96 	    ((handle.function.instance << TRACE_INST_SHIFT) & TRACE_INST_MASK));
     97 	rt->buf[idx].val_l32 = val & 0xFFFFFFFF;
     98 	rt->buf[idx].val_h32 = (val >> 32) & 0xFFFFFFFF;
     99 	rt->next_idx++;
    100 	if (rt->next_idx > rt->last_idx) {
    101 		rt->next_idx = 0;
    102 		rt->wrapped = B_TRUE;
    103 	}
    104 }
    105