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, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29/*
30 * PCI nexus driver general debug support
31 */
32#include <sys/promif.h>		/* prom_printf */
33#include <sys/async.h>
34#include <sys/sunddi.h>		/* dev_info_t */
35#include <sys/ddi_impldefs.h>
36#include <sys/pci/pci_obj.h>
37
38/*LINTLIBRARY*/
39
40#ifdef DEBUG
41extern uint64_t pci_debug_flags;
42
43pci_debug_flag_to_string_t pci_flags_to_string [] = {
44	{DBG_ATTACH,		"attach"},
45	{DBG_DETACH,		"detach"},
46	{DBG_MAP,		"map"},
47	{DBG_RSV1,		"reserved"},
48	{DBG_A_INTX,		"add_intx"},
49	{DBG_R_INTX,		"rem_intx"},
50	{DBG_INIT_CLD,		"init_child"},
51	{DBG_CTLOPS,		"ctlops"},
52	{DBG_INTR,		"intr_wrapper"},
53	{DBG_ERR_INTR,		"pbm_error_intr"},
54	{DBG_BUS_FAULT,		"pci_fault"},
55	{DBG_DMA_ALLOCH,	"dma_alloc_handle"},
56	{DBG_DMA_FREEH,		"dma_free_handle"},
57	{DBG_DMA_BINDH,		"dma_bind_handle"},
58	{DBG_DMA_UNBINDH,	"dma_unbind_handle"},
59	{DBG_DMA_MAP,		"dma_map"},
60	{DBG_CHK_MOD,		"check_dma_mode"},
61	{DBG_BYPASS,		"bypass"},
62	{DBG_IOMMU,		"iommu"},
63	{DBG_DMA_WIN,		"dma_win"},
64	{DBG_MAP_WIN,		"map_window"},
65	{DBG_UNMAP_WIN,		"unmap_window"},
66	{DBG_DMA_CTL,		"dma_ctl"},
67	{DBG_DMA_SYNC,		"dma_sync"},
68	{DBG_DMA_SYNC_PBM,	"dma_sync_pbm"},
69	{DBG_FAST_DVMA,		"fast_dvma"},
70	{DBG_IB,		"ib"},
71	{DBG_CB,		"cb"},
72	{DBG_PBM,		"pbm"},
73	{DBG_OPEN,		"open"},
74	{DBG_CLOSE,		"close"},
75	{DBG_IOCTL,		"ioctl"},
76	{DBG_SC,		"sc"},
77	{DBG_PWR,		"pwr"},
78	{DBG_RELOC,		"dma_reloc"},
79	{DBG_TOOLS,		"tools"},
80	{DBG_PHYS_ACC,		"phys_acc"}
81};
82
83void
84pci_debug(uint64_t flag, dev_info_t *dip, char *fmt,
85	uintptr_t a1, uintptr_t a2, uintptr_t a3, uintptr_t a4, uintptr_t a5)
86{
87	char *s = NULL;
88	uint_t cont = 0;
89
90	if (flag & DBG_CONT) {
91		flag &= ~DBG_CONT;
92		cont = 1;
93	}
94	if ((pci_debug_flags & flag) == flag) {
95		int i;
96		int no_rec = (sizeof (pci_flags_to_string) /
97		    sizeof (pci_debug_flag_to_string_t));
98		for (i = 0; i < no_rec; i++) {
99			if (pci_flags_to_string[i].flag == flag) {
100				s = pci_flags_to_string[i].string;
101				break;
102			}
103		}
104
105		if (i >= no_rec)
106			s = "PCI debug unknown";
107
108		if (s && cont == 0) {
109			prom_printf("%s(%d): %s: ", ddi_driver_name(dip),
110			    ddi_get_instance(dip), s);
111		}
112		prom_printf(fmt, a1, a2, a3, a4, a5);
113	}
114}
115#endif
116