diff options
Diffstat (limited to 'include/os/linux/log.c')
| -rw-r--r-- | include/os/linux/log.c | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/include/os/linux/log.c b/include/os/linux/log.c deleted file mode 100644 index bd9f67d..0000000 --- a/include/os/linux/log.c +++ /dev/null | |||
| @@ -1,132 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) 2017-2018, NVIDIA CORPORATION. All rights reserved. | ||
| 3 | * | ||
| 4 | * This program is free software; you can redistribute it and/or modify it | ||
| 5 | * under the terms and conditions of the GNU General Public License, | ||
| 6 | * version 2, as published by the Free Software Foundation. | ||
| 7 | * | ||
| 8 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
| 9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
| 11 | * more details. | ||
| 12 | * | ||
| 13 | * You should have received a copy of the GNU General Public License | ||
| 14 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| 15 | */ | ||
| 16 | |||
| 17 | #include <linux/kernel.h> | ||
| 18 | #include <linux/device.h> | ||
| 19 | |||
| 20 | #include <nvgpu/log.h> | ||
| 21 | #include <nvgpu/gk20a.h> | ||
| 22 | |||
| 23 | #include "platform_gk20a.h" | ||
| 24 | #include "os_linux.h" | ||
| 25 | |||
| 26 | /* | ||
| 27 | * Define a length for log buffers. This is the buffer that the 'fmt, ...' part | ||
| 28 | * of __nvgpu_do_log_print() prints into. This buffer lives on the stack so it | ||
| 29 | * needs to not be overly sized since we have limited kernel stack space. But at | ||
| 30 | * the same time we don't want it to be restrictive either. | ||
| 31 | */ | ||
| 32 | #define LOG_BUFFER_LENGTH 160 | ||
| 33 | |||
| 34 | /* | ||
| 35 | * Annoying quirk of Linux: this has to be a string literal since the printk() | ||
| 36 | * function and friends use the preprocessor to concatenate stuff to the start | ||
| 37 | * of this string when printing. | ||
| 38 | */ | ||
| 39 | #define LOG_FMT "nvgpu: %s %33s:%-4d [%s] %s\n" | ||
| 40 | |||
| 41 | static const char *log_types[] = { | ||
| 42 | "ERR", | ||
| 43 | "WRN", | ||
| 44 | "DBG", | ||
| 45 | "INFO", | ||
| 46 | }; | ||
| 47 | |||
| 48 | int nvgpu_log_mask_enabled(struct gk20a *g, u64 log_mask) | ||
| 49 | { | ||
| 50 | return !!(g->log_mask & log_mask); | ||
| 51 | } | ||
| 52 | |||
| 53 | static inline const char *nvgpu_log_name(struct gk20a *g) | ||
| 54 | { | ||
| 55 | return dev_name(dev_from_gk20a(g)); | ||
| 56 | } | ||
| 57 | |||
| 58 | #ifdef CONFIG_GK20A_TRACE_PRINTK | ||
| 59 | static void __nvgpu_trace_printk_log(u32 trace, const char *gpu_name, | ||
| 60 | const char *func_name, int line, | ||
| 61 | const char *log_type, const char *log) | ||
| 62 | { | ||
| 63 | trace_printk(LOG_FMT, gpu_name, func_name, line, log_type, log); | ||
| 64 | } | ||
| 65 | #endif | ||
| 66 | |||
| 67 | static void __nvgpu_really_print_log(u32 trace, const char *gpu_name, | ||
| 68 | const char *func_name, int line, | ||
| 69 | enum nvgpu_log_type type, const char *log) | ||
| 70 | { | ||
| 71 | const char *name = gpu_name ? gpu_name : ""; | ||
| 72 | const char *log_type = log_types[type]; | ||
| 73 | |||
| 74 | #ifdef CONFIG_GK20A_TRACE_PRINTK | ||
| 75 | if (trace) | ||
| 76 | return __nvgpu_trace_printk_log(trace, name, func_name, | ||
| 77 | line, log_type, log); | ||
| 78 | #endif | ||
| 79 | switch (type) { | ||
| 80 | case NVGPU_DEBUG: | ||
| 81 | /* | ||
| 82 | * We could use pr_debug() here but we control debug enablement | ||
| 83 | * separately from the Linux kernel. Perhaps this is a bug in | ||
| 84 | * nvgpu. | ||
| 85 | */ | ||
| 86 | pr_info(LOG_FMT, name, func_name, line, log_type, log); | ||
| 87 | break; | ||
| 88 | case NVGPU_INFO: | ||
| 89 | pr_info(LOG_FMT, name, func_name, line, log_type, log); | ||
| 90 | break; | ||
| 91 | case NVGPU_WARNING: | ||
| 92 | pr_warn(LOG_FMT, name, func_name, line, log_type, log); | ||
| 93 | break; | ||
| 94 | case NVGPU_ERROR: | ||
| 95 | pr_err(LOG_FMT, name, func_name, line, log_type, log); | ||
| 96 | break; | ||
| 97 | } | ||
| 98 | } | ||
| 99 | |||
| 100 | __attribute__((format (printf, 5, 6))) | ||
| 101 | void __nvgpu_log_msg(struct gk20a *g, const char *func_name, int line, | ||
| 102 | enum nvgpu_log_type type, const char *fmt, ...) | ||
| 103 | { | ||
| 104 | char log[LOG_BUFFER_LENGTH]; | ||
| 105 | va_list args; | ||
| 106 | |||
| 107 | va_start(args, fmt); | ||
| 108 | vsnprintf(log, LOG_BUFFER_LENGTH, fmt, args); | ||
| 109 | va_end(args); | ||
| 110 | |||
| 111 | __nvgpu_really_print_log(0, g ? nvgpu_log_name(g) : "", | ||
| 112 | func_name, line, type, log); | ||
| 113 | } | ||
| 114 | |||
| 115 | __attribute__((format (printf, 5, 6))) | ||
| 116 | void __nvgpu_log_dbg(struct gk20a *g, u64 log_mask, | ||
| 117 | const char *func_name, int line, | ||
| 118 | const char *fmt, ...) | ||
| 119 | { | ||
| 120 | char log[LOG_BUFFER_LENGTH]; | ||
| 121 | va_list args; | ||
| 122 | |||
| 123 | if ((log_mask & g->log_mask) == 0) | ||
| 124 | return; | ||
| 125 | |||
| 126 | va_start(args, fmt); | ||
| 127 | vsnprintf(log, LOG_BUFFER_LENGTH, fmt, args); | ||
| 128 | va_end(args); | ||
| 129 | |||
| 130 | __nvgpu_really_print_log(g->log_trace, nvgpu_log_name(g), | ||
| 131 | func_name, line, NVGPU_DEBUG, log); | ||
| 132 | } | ||
