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
41 extern uint64_t pci_debug_flags;
42
43 pci_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
83 void
pci_debug(uint64_t flag,dev_info_t * dip,char * fmt,uintptr_t a1,uintptr_t a2,uintptr_t a3,uintptr_t a4,uintptr_t a5)84 pci_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