diff options
Diffstat (limited to 'drivers/gpu/nvgpu/os/posix/log.c')
-rw-r--r-- | drivers/gpu/nvgpu/os/posix/log.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/os/posix/log.c b/drivers/gpu/nvgpu/os/posix/log.c new file mode 100644 index 00000000..6bfb673c --- /dev/null +++ b/drivers/gpu/nvgpu/os/posix/log.c | |||
@@ -0,0 +1,95 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved. | ||
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
19 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
20 | * DEALINGS IN THE SOFTWARE. | ||
21 | */ | ||
22 | |||
23 | #include <nvgpu/log.h> | ||
24 | #include <nvgpu/types.h> | ||
25 | |||
26 | #include "gk20a/gk20a.h" | ||
27 | |||
28 | /* | ||
29 | * Define a length for log buffers. This is the buffer that the 'fmt, ...' part | ||
30 | * of __nvgpu_do_log_print() prints into. | ||
31 | */ | ||
32 | #define LOG_BUFFER_LENGTH 160 | ||
33 | |||
34 | /* | ||
35 | * Keep this roughly the same as the kernel log format. | ||
36 | */ | ||
37 | #define LOG_FMT "nvgpu: %s %33s:%-4d [%-4s] %s\n" | ||
38 | |||
39 | u64 nvgpu_dbg_mask = NVGPU_DEFAULT_DBG_MASK; | ||
40 | |||
41 | static const char *log_types[] = { | ||
42 | "ERR", | ||
43 | "WRN", | ||
44 | "DBG", | ||
45 | "INFO", | ||
46 | }; | ||
47 | |||
48 | static inline const char *nvgpu_log_name(struct gk20a *g) | ||
49 | { | ||
50 | return "gpu.USS"; | ||
51 | } | ||
52 | |||
53 | static void __nvgpu_really_print_log(const char *gpu_name, | ||
54 | const char *func_name, int line, | ||
55 | enum nvgpu_log_type type, const char *log) | ||
56 | { | ||
57 | const char *name = gpu_name ? gpu_name : ""; | ||
58 | const char *log_type = log_types[type]; | ||
59 | |||
60 | printf(LOG_FMT, name, func_name, line, log_type, log); | ||
61 | } | ||
62 | |||
63 | __attribute__((format (printf, 5, 6))) | ||
64 | void __nvgpu_log_msg(struct gk20a *g, const char *func_name, int line, | ||
65 | enum nvgpu_log_type type, const char *fmt, ...) | ||
66 | { | ||
67 | char log[LOG_BUFFER_LENGTH]; | ||
68 | va_list args; | ||
69 | |||
70 | va_start(args, fmt); | ||
71 | vsnprintf(log, LOG_BUFFER_LENGTH, fmt, args); | ||
72 | va_end(args); | ||
73 | |||
74 | __nvgpu_really_print_log(nvgpu_log_name(g), | ||
75 | func_name, line, type, log); | ||
76 | } | ||
77 | |||
78 | __attribute__((format (printf, 5, 6))) | ||
79 | void __nvgpu_log_dbg(struct gk20a *g, u64 log_mask, | ||
80 | const char *func_name, int line, | ||
81 | const char *fmt, ...) | ||
82 | { | ||
83 | char log[LOG_BUFFER_LENGTH]; | ||
84 | va_list args; | ||
85 | |||
86 | if ((log_mask & g->log_mask) == 0) | ||
87 | return; | ||
88 | |||
89 | va_start(args, fmt); | ||
90 | vsnprintf(log, LOG_BUFFER_LENGTH, fmt, args); | ||
91 | va_end(args); | ||
92 | |||
93 | __nvgpu_really_print_log(nvgpu_log_name(g), | ||
94 | func_name, line, NVGPU_DEBUG, log); | ||
95 | } | ||