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path: root/drivers/acpi/debug.c
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Diffstat (limited to 'drivers/acpi/debug.c')
-rw-r--r--drivers/acpi/debug.c332
1 files changed, 0 insertions, 332 deletions
diff --git a/drivers/acpi/debug.c b/drivers/acpi/debug.c
deleted file mode 100644
index 6df564f4ca6..00000000000
--- a/drivers/acpi/debug.c
+++ /dev/null
@@ -1,332 +0,0 @@
-/*
- * debug.c - ACPI debug interface to userspace.
- */
-
-#include <linux/proc_fs.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/moduleparam.h>
-#include <asm/uaccess.h>
-#include <acpi/acpi_drivers.h>
-#include <acpi/acglobal.h>
-
-#define _COMPONENT ACPI_SYSTEM_COMPONENT
-ACPI_MODULE_NAME("debug");
-
-#ifdef MODULE_PARAM_PREFIX
-#undef MODULE_PARAM_PREFIX
-#endif
-#define MODULE_PARAM_PREFIX "acpi."
-
-struct acpi_dlayer {
- const char *name;
- unsigned long value;
-};
-struct acpi_dlevel {
- const char *name;
- unsigned long value;
-};
-#define ACPI_DEBUG_INIT(v) { .name = #v, .value = v }
-
-static const struct acpi_dlayer acpi_debug_layers[] = {
- ACPI_DEBUG_INIT(ACPI_UTILITIES),
- ACPI_DEBUG_INIT(ACPI_HARDWARE),
- ACPI_DEBUG_INIT(ACPI_EVENTS),
- ACPI_DEBUG_INIT(ACPI_TABLES),
- ACPI_DEBUG_INIT(ACPI_NAMESPACE),
- ACPI_DEBUG_INIT(ACPI_PARSER),
- ACPI_DEBUG_INIT(ACPI_DISPATCHER),
- ACPI_DEBUG_INIT(ACPI_EXECUTER),
- ACPI_DEBUG_INIT(ACPI_RESOURCES),
- ACPI_DEBUG_INIT(ACPI_CA_DEBUGGER),
- ACPI_DEBUG_INIT(ACPI_OS_SERVICES),
- ACPI_DEBUG_INIT(ACPI_CA_DISASSEMBLER),
- ACPI_DEBUG_INIT(ACPI_COMPILER),
- ACPI_DEBUG_INIT(ACPI_TOOLS),
-};
-
-static const struct acpi_dlevel acpi_debug_levels[] = {
- ACPI_DEBUG_INIT(ACPI_LV_ERROR),
- ACPI_DEBUG_INIT(ACPI_LV_WARN),
- ACPI_DEBUG_INIT(ACPI_LV_INIT),
- ACPI_DEBUG_INIT(ACPI_LV_DEBUG_OBJECT),
- ACPI_DEBUG_INIT(ACPI_LV_INFO),
-
- ACPI_DEBUG_INIT(ACPI_LV_INIT_NAMES),
- ACPI_DEBUG_INIT(ACPI_LV_PARSE),
- ACPI_DEBUG_INIT(ACPI_LV_LOAD),
- ACPI_DEBUG_INIT(ACPI_LV_DISPATCH),
- ACPI_DEBUG_INIT(ACPI_LV_EXEC),
- ACPI_DEBUG_INIT(ACPI_LV_NAMES),
- ACPI_DEBUG_INIT(ACPI_LV_OPREGION),
- ACPI_DEBUG_INIT(ACPI_LV_BFIELD),
- ACPI_DEBUG_INIT(ACPI_LV_TABLES),
- ACPI_DEBUG_INIT(ACPI_LV_VALUES),
- ACPI_DEBUG_INIT(ACPI_LV_OBJECTS),
- ACPI_DEBUG_INIT(ACPI_LV_RESOURCES),
- ACPI_DEBUG_INIT(ACPI_LV_USER_REQUESTS),
- ACPI_DEBUG_INIT(ACPI_LV_PACKAGE),
-
- ACPI_DEBUG_INIT(ACPI_LV_ALLOCATIONS),
- ACPI_DEBUG_INIT(ACPI_LV_FUNCTIONS),
- ACPI_DEBUG_INIT(ACPI_LV_OPTIMIZATIONS),
-
- ACPI_DEBUG_INIT(ACPI_LV_MUTEX),
- ACPI_DEBUG_INIT(ACPI_LV_THREADS),
- ACPI_DEBUG_INIT(ACPI_LV_IO),
- ACPI_DEBUG_INIT(ACPI_LV_INTERRUPTS),
-
- ACPI_DEBUG_INIT(ACPI_LV_AML_DISASSEMBLE),
- ACPI_DEBUG_INIT(ACPI_LV_VERBOSE_INFO),
- ACPI_DEBUG_INIT(ACPI_LV_FULL_TABLES),
- ACPI_DEBUG_INIT(ACPI_LV_EVENTS),
-};
-
-/* --------------------------------------------------------------------------
- FS Interface (/sys)
- -------------------------------------------------------------------------- */
-static int param_get_debug_layer(char *buffer, struct kernel_param *kp) {
- int result = 0;
- int i;
-
- result = sprintf(buffer, "%-25s\tHex SET\n", "Description");
-
- for(i = 0; i <ARRAY_SIZE(acpi_debug_layers); i++) {
- result += sprintf(buffer+result, "%-25s\t0x%08lX [%c]\n",
- acpi_debug_layers[i].name,
- acpi_debug_layers[i].value,
- (acpi_dbg_layer & acpi_debug_layers[i].value) ? '*' : ' ');
- }
- result += sprintf(buffer+result, "%-25s\t0x%08X [%c]\n", "ACPI_ALL_DRIVERS",
- ACPI_ALL_DRIVERS,
- (acpi_dbg_layer & ACPI_ALL_DRIVERS) ==
- ACPI_ALL_DRIVERS ? '*' : (acpi_dbg_layer &
- ACPI_ALL_DRIVERS) == 0 ? ' ' : '-');
- result += sprintf(buffer+result, "--\ndebug_layer = 0x%08X ( * = enabled)\n", acpi_dbg_layer);
-
- return result;
-}
-
-static int param_get_debug_level(char *buffer, struct kernel_param *kp) {
- int result = 0;
- int i;
-
- result = sprintf(buffer, "%-25s\tHex SET\n", "Description");
-
- for (i = 0; i < ARRAY_SIZE(acpi_debug_levels); i++) {
- result += sprintf(buffer+result, "%-25s\t0x%08lX [%c]\n",
- acpi_debug_levels[i].name,
- acpi_debug_levels[i].value,
- (acpi_dbg_level & acpi_debug_levels[i].
- value) ? '*' : ' ');
- }
- result += sprintf(buffer+result, "--\ndebug_level = 0x%08X (* = enabled)\n",
- acpi_dbg_level);
-
- return result;
-}
-
-module_param_call(debug_layer, param_set_uint, param_get_debug_layer, &acpi_dbg_layer, 0644);
-module_param_call(debug_level, param_set_uint, param_get_debug_level, &acpi_dbg_level, 0644);
-
-static char trace_method_name[6];
-module_param_string(trace_method_name, trace_method_name, 6, 0644);
-static unsigned int trace_debug_layer;
-module_param(trace_debug_layer, uint, 0644);
-static unsigned int trace_debug_level;
-module_param(trace_debug_level, uint, 0644);
-
-static int param_set_trace_state(const char *val, struct kernel_param *kp)
-{
- int result = 0;
-
- if (!strncmp(val, "enable", strlen("enable") - 1)) {
- result = acpi_debug_trace(trace_method_name, trace_debug_level,
- trace_debug_layer, 0);
- if (result)
- result = -EBUSY;
- goto exit;
- }
-
- if (!strncmp(val, "disable", strlen("disable") - 1)) {
- int name = 0;
- result = acpi_debug_trace((char *)&name, trace_debug_level,
- trace_debug_layer, 0);
- if (result)
- result = -EBUSY;
- goto exit;
- }
-
- if (!strncmp(val, "1", 1)) {
- result = acpi_debug_trace(trace_method_name, trace_debug_level,
- trace_debug_layer, 1);
- if (result)
- result = -EBUSY;
- goto exit;
- }
-
- result = -EINVAL;
-exit:
- return result;
-}
-
-static int param_get_trace_state(char *buffer, struct kernel_param *kp)
-{
- if (!acpi_gbl_trace_method_name)
- return sprintf(buffer, "disable");
- else {
- if (acpi_gbl_trace_flags & 1)
- return sprintf(buffer, "1");
- else
- return sprintf(buffer, "enable");
- }
- return 0;
-}
-
-module_param_call(trace_state, param_set_trace_state, param_get_trace_state,
- NULL, 0644);
-
-/* --------------------------------------------------------------------------
- FS Interface (/proc)
- -------------------------------------------------------------------------- */
-#ifdef CONFIG_ACPI_PROCFS
-#define ACPI_SYSTEM_FILE_DEBUG_LAYER "debug_layer"
-#define ACPI_SYSTEM_FILE_DEBUG_LEVEL "debug_level"
-
-static int
-acpi_system_read_debug(char *page,
- char **start, off_t off, int count, int *eof, void *data)
-{
- char *p = page;
- int size = 0;
- unsigned int i;
-
- if (off != 0)
- goto end;
-
- p += sprintf(p, "%-25s\tHex SET\n", "Description");
-
- switch ((unsigned long)data) {
- case 0:
- for (i = 0; i < ARRAY_SIZE(acpi_debug_layers); i++) {
- p += sprintf(p, "%-25s\t0x%08lX [%c]\n",
- acpi_debug_layers[i].name,
- acpi_debug_layers[i].value,
- (acpi_dbg_layer & acpi_debug_layers[i].
- value) ? '*' : ' ');
- }
- p += sprintf(p, "%-25s\t0x%08X [%c]\n", "ACPI_ALL_DRIVERS",
- ACPI_ALL_DRIVERS,
- (acpi_dbg_layer & ACPI_ALL_DRIVERS) ==
- ACPI_ALL_DRIVERS ? '*' : (acpi_dbg_layer &
- ACPI_ALL_DRIVERS) ==
- 0 ? ' ' : '-');
- p += sprintf(p,
- "--\ndebug_layer = 0x%08X (* = enabled, - = partial)\n",
- acpi_dbg_layer);
- break;
- case 1:
- for (i = 0; i < ARRAY_SIZE(acpi_debug_levels); i++) {
- p += sprintf(p, "%-25s\t0x%08lX [%c]\n",
- acpi_debug_levels[i].name,
- acpi_debug_levels[i].value,
- (acpi_dbg_level & acpi_debug_levels[i].
- value) ? '*' : ' ');
- }
- p += sprintf(p, "--\ndebug_level = 0x%08X (* = enabled)\n",
- acpi_dbg_level);
- break;
- default:
- p += sprintf(p, "Invalid debug option\n");
- break;
- }
-
- end:
- size = (p - page);
- if (size <= off + count)
- *eof = 1;
- *start = page + off;
- size -= off;
- if (size > count)
- size = count;
- if (size < 0)
- size = 0;
-
- return size;
-}
-
-static int
-acpi_system_write_debug(struct file *file,
- const char __user * buffer,
- unsigned long count, void *data)
-{
- char debug_string[12] = { '\0' };
-
-
- if (count > sizeof(debug_string) - 1)
- return -EINVAL;
-
- if (copy_from_user(debug_string, buffer, count))
- return -EFAULT;
-
- debug_string[count] = '\0';
-
- switch ((unsigned long)data) {
- case 0:
- acpi_dbg_layer = simple_strtoul(debug_string, NULL, 0);
- break;
- case 1:
- acpi_dbg_level = simple_strtoul(debug_string, NULL, 0);
- break;
- default:
- return -EINVAL;
- }
-
- return count;
-}
-
-static int __init acpi_debug_init(void)
-{
- struct proc_dir_entry *entry;
- int error = 0;
- char *name;
-
-
- if (acpi_disabled)
- return 0;
-
- /* 'debug_layer' [R/W] */
- name = ACPI_SYSTEM_FILE_DEBUG_LAYER;
- entry =
- create_proc_read_entry(name, S_IFREG | S_IRUGO | S_IWUSR,
- acpi_root_dir, acpi_system_read_debug,
- (void *)0);
- if (entry)
- entry->write_proc = acpi_system_write_debug;
- else
- goto Error;
-
- /* 'debug_level' [R/W] */
- name = ACPI_SYSTEM_FILE_DEBUG_LEVEL;
- entry =
- create_proc_read_entry(name, S_IFREG | S_IRUGO | S_IWUSR,
- acpi_root_dir, acpi_system_read_debug,
- (void *)1);
- if (entry)
- entry->write_proc = acpi_system_write_debug;
- else
- goto Error;
-
- Done:
- return error;
-
- Error:
- remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LEVEL, acpi_root_dir);
- remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LAYER, acpi_root_dir);
- error = -ENODEV;
- goto Done;
-}
-
-subsys_initcall(acpi_debug_init);
-#endif
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