1 /*
2  * Copyright 2012 Red Hat Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: Ben Skeggs
23  */
24 #include <core/printk.h>
25 #include <core/client.h>
26 #include <core/device.h>
27 
28 int nv_info_debug_level = NV_DBG_INFO_NORMAL;
29 
30 void
nv_printk_(struct nvkm_object * object,int level,const char * fmt,...)31 nv_printk_(struct nvkm_object *object, int level, const char *fmt, ...)
32 {
33 	static const char name[] = { '!', 'E', 'W', ' ', 'D', 'T', 'P', 'S' };
34 	const char *pfx;
35 	char mfmt[256];
36 	va_list args;
37 
38 	switch (level) {
39 	case NV_DBG_FATAL:
40 		pfx = KERN_CRIT;
41 		break;
42 	case NV_DBG_ERROR:
43 		pfx = KERN_ERR;
44 		break;
45 	case NV_DBG_WARN:
46 		pfx = KERN_WARNING;
47 		break;
48 	case NV_DBG_INFO_NORMAL:
49 		pfx = KERN_INFO;
50 		break;
51 	case NV_DBG_DEBUG:
52 	case NV_DBG_PARANOIA:
53 	case NV_DBG_TRACE:
54 	case NV_DBG_SPAM:
55 	default:
56 		pfx = KERN_DEBUG;
57 		break;
58 	}
59 
60 	if (object && !nv_iclass(object, NV_CLIENT_CLASS)) {
61 		struct nvkm_object *device;
62 		struct nvkm_object *subdev;
63 		char obuf[64], *ofmt = "";
64 
65 		if (object->engine == NULL) {
66 			subdev = object;
67 			while (subdev && !nv_iclass(subdev, NV_SUBDEV_CLASS))
68 				subdev = subdev->parent;
69 		} else {
70 			subdev = &object->engine->subdev.object;
71 		}
72 
73 		device = subdev;
74 		if (device->parent)
75 			device = device->parent;
76 
77 		if (object != subdev) {
78 			snprintf(obuf, sizeof(obuf), "[0x%08x]",
79 				 nv_hclass(object));
80 			ofmt = obuf;
81 		}
82 
83 		if (level > nv_subdev(subdev)->debug)
84 			return;
85 
86 		snprintf(mfmt, sizeof(mfmt), "%snouveau %c[%8s][%s]%s %s", pfx,
87 			 name[level], nv_subdev(subdev)->name,
88 			 nv_device(device)->name, ofmt, fmt);
89 	} else
90 	if (object && nv_iclass(object, NV_CLIENT_CLASS)) {
91 		if (level > nv_client(object)->debug)
92 			return;
93 
94 		snprintf(mfmt, sizeof(mfmt), "%snouveau %c[%8s] %s", pfx,
95 			 name[level], nv_client(object)->name, fmt);
96 	} else {
97 		snprintf(mfmt, sizeof(mfmt), "%snouveau: %s", pfx, fmt);
98 	}
99 
100 	va_start(args, fmt);
101 	vprintk(mfmt, args);
102 	va_end(args);
103 }
104