ACPI: introduce drivers/acpi/sysfs.c
Introduce drivers/acpi/sysfs.c. code for ACPI sysfs I/F, including #ifdef ACPI_DEBUG /sys/module/acpi/parameters/debug_layer /sys/module/acpi/parameters/debug_level /sys/module/acpi/parameters/trace_method_name /sys/module/acpi/parameters/trace_debug_layer /sys/module/acpi/parameters/trace_debug_level /sys/module/acpi/parameters/trace_state #endif /sys/module/acpi/parameters/acpica_version /sys/firmware/acpi/tables/ /sys/firmware/acpi/interrupts/ is moved to this file. No function change in this patch. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Zhang Rui
Len Brown
Родитель
c172cb73bc
Коммит
1c8fce27e2
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@ -38,6 +38,7 @@ acpi-$(CONFIG_ACPI_DOCK) += dock.o
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acpi-y += pci_root.o pci_link.o pci_irq.o pci_bind.o
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acpi-y += power.o
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acpi-y += system.o event.o
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acpi-y += sysfs.o
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acpi-$(CONFIG_ACPI_DEBUG) += debug.o
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acpi-$(CONFIG_DEBUG_FS) += debugfs.o
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acpi-$(CONFIG_ACPI_NUMA) += numa.o
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@ -1036,6 +1036,7 @@ static int __init acpi_init(void)
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acpi_power_init();
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acpi_system_init();
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acpi_debug_init();
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acpi_sysfs_init();
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acpi_debugfs_init();
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acpi_sleep_proc_init();
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acpi_wakeup_device_init();
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@ -93,110 +93,6 @@ static const struct acpi_dlevel acpi_debug_levels[] = {
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ACPI_DEBUG_INIT(ACPI_LV_EVENTS),
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};
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/* --------------------------------------------------------------------------
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FS Interface (/sys)
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-------------------------------------------------------------------------- */
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static int param_get_debug_layer(char *buffer, struct kernel_param *kp) {
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int result = 0;
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int i;
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result = sprintf(buffer, "%-25s\tHex SET\n", "Description");
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for(i = 0; i <ARRAY_SIZE(acpi_debug_layers); i++) {
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result += sprintf(buffer+result, "%-25s\t0x%08lX [%c]\n",
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acpi_debug_layers[i].name,
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acpi_debug_layers[i].value,
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(acpi_dbg_layer & acpi_debug_layers[i].value) ? '*' : ' ');
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}
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result += sprintf(buffer+result, "%-25s\t0x%08X [%c]\n", "ACPI_ALL_DRIVERS",
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ACPI_ALL_DRIVERS,
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(acpi_dbg_layer & ACPI_ALL_DRIVERS) ==
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ACPI_ALL_DRIVERS ? '*' : (acpi_dbg_layer &
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ACPI_ALL_DRIVERS) == 0 ? ' ' : '-');
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result += sprintf(buffer+result, "--\ndebug_layer = 0x%08X ( * = enabled)\n", acpi_dbg_layer);
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return result;
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}
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static int param_get_debug_level(char *buffer, struct kernel_param *kp) {
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int result = 0;
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int i;
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result = sprintf(buffer, "%-25s\tHex SET\n", "Description");
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for (i = 0; i < ARRAY_SIZE(acpi_debug_levels); i++) {
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result += sprintf(buffer+result, "%-25s\t0x%08lX [%c]\n",
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acpi_debug_levels[i].name,
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acpi_debug_levels[i].value,
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(acpi_dbg_level & acpi_debug_levels[i].
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value) ? '*' : ' ');
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}
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result += sprintf(buffer+result, "--\ndebug_level = 0x%08X (* = enabled)\n",
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acpi_dbg_level);
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return result;
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}
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module_param_call(debug_layer, param_set_uint, param_get_debug_layer, &acpi_dbg_layer, 0644);
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module_param_call(debug_level, param_set_uint, param_get_debug_level, &acpi_dbg_level, 0644);
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static char trace_method_name[6];
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module_param_string(trace_method_name, trace_method_name, 6, 0644);
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static unsigned int trace_debug_layer;
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module_param(trace_debug_layer, uint, 0644);
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static unsigned int trace_debug_level;
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module_param(trace_debug_level, uint, 0644);
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static int param_set_trace_state(const char *val, struct kernel_param *kp)
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{
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int result = 0;
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if (!strncmp(val, "enable", strlen("enable") - 1)) {
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result = acpi_debug_trace(trace_method_name, trace_debug_level,
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trace_debug_layer, 0);
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if (result)
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result = -EBUSY;
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goto exit;
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}
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if (!strncmp(val, "disable", strlen("disable") - 1)) {
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int name = 0;
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result = acpi_debug_trace((char *)&name, trace_debug_level,
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trace_debug_layer, 0);
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if (result)
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result = -EBUSY;
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goto exit;
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}
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if (!strncmp(val, "1", 1)) {
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result = acpi_debug_trace(trace_method_name, trace_debug_level,
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trace_debug_layer, 1);
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if (result)
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result = -EBUSY;
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goto exit;
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}
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result = -EINVAL;
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exit:
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return result;
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}
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static int param_get_trace_state(char *buffer, struct kernel_param *kp)
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{
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if (!acpi_gbl_trace_method_name)
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return sprintf(buffer, "disable");
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else {
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if (acpi_gbl_trace_flags & 1)
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return sprintf(buffer, "1");
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else
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return sprintf(buffer, "enable");
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}
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return 0;
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}
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module_param_call(trace_state, param_set_trace_state, param_get_trace_state,
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NULL, 0644);
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/* --------------------------------------------------------------------------
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FS Interface (/proc)
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-------------------------------------------------------------------------- */
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@ -23,6 +23,7 @@
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int init_acpi_device_notify(void);
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int acpi_scan_init(void);
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int acpi_system_init(void);
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int acpi_sysfs_init(void);
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#ifdef CONFIG_ACPI_DEBUG
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int acpi_debug_init(void);
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@ -0,0 +1,685 @@
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/*
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* sysfs.c - ACPI sysfs interface to userspace.
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/moduleparam.h>
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#include <acpi/acpi_drivers.h>
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#define _COMPONENT ACPI_SYSTEM_COMPONENT
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ACPI_MODULE_NAME("sysfs");
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#define PREFIX "ACPI: "
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#ifdef CONFIG_ACPI_DEBUG
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/*
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* ACPI debug sysfs I/F, including:
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* /sys/modules/acpi/parameters/debug_layer
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* /sys/modules/acpi/parameters/debug_level
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* /sys/modules/acpi/parameters/trace_method_name
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* /sys/modules/acpi/parameters/trace_state
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* /sys/modules/acpi/parameters/trace_debug_layer
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* /sys/modules/acpi/parameters/trace_debug_level
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*/
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struct acpi_dlayer {
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const char *name;
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unsigned long value;
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};
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struct acpi_dlevel {
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const char *name;
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unsigned long value;
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};
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#define ACPI_DEBUG_INIT(v) { .name = #v, .value = v }
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static const struct acpi_dlayer acpi_debug_layers[] = {
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ACPI_DEBUG_INIT(ACPI_UTILITIES),
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ACPI_DEBUG_INIT(ACPI_HARDWARE),
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ACPI_DEBUG_INIT(ACPI_EVENTS),
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ACPI_DEBUG_INIT(ACPI_TABLES),
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ACPI_DEBUG_INIT(ACPI_NAMESPACE),
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ACPI_DEBUG_INIT(ACPI_PARSER),
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ACPI_DEBUG_INIT(ACPI_DISPATCHER),
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ACPI_DEBUG_INIT(ACPI_EXECUTER),
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ACPI_DEBUG_INIT(ACPI_RESOURCES),
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ACPI_DEBUG_INIT(ACPI_CA_DEBUGGER),
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ACPI_DEBUG_INIT(ACPI_OS_SERVICES),
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ACPI_DEBUG_INIT(ACPI_CA_DISASSEMBLER),
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ACPI_DEBUG_INIT(ACPI_COMPILER),
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ACPI_DEBUG_INIT(ACPI_TOOLS),
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ACPI_DEBUG_INIT(ACPI_BUS_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_AC_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_BATTERY_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_BUTTON_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_SBS_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_FAN_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_PCI_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_POWER_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_CONTAINER_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_SYSTEM_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_THERMAL_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_MEMORY_DEVICE_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_VIDEO_COMPONENT),
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ACPI_DEBUG_INIT(ACPI_PROCESSOR_COMPONENT),
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};
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static const struct acpi_dlevel acpi_debug_levels[] = {
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ACPI_DEBUG_INIT(ACPI_LV_INIT),
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ACPI_DEBUG_INIT(ACPI_LV_DEBUG_OBJECT),
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ACPI_DEBUG_INIT(ACPI_LV_INFO),
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ACPI_DEBUG_INIT(ACPI_LV_INIT_NAMES),
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ACPI_DEBUG_INIT(ACPI_LV_PARSE),
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ACPI_DEBUG_INIT(ACPI_LV_LOAD),
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ACPI_DEBUG_INIT(ACPI_LV_DISPATCH),
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ACPI_DEBUG_INIT(ACPI_LV_EXEC),
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ACPI_DEBUG_INIT(ACPI_LV_NAMES),
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ACPI_DEBUG_INIT(ACPI_LV_OPREGION),
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ACPI_DEBUG_INIT(ACPI_LV_BFIELD),
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ACPI_DEBUG_INIT(ACPI_LV_TABLES),
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ACPI_DEBUG_INIT(ACPI_LV_VALUES),
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ACPI_DEBUG_INIT(ACPI_LV_OBJECTS),
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ACPI_DEBUG_INIT(ACPI_LV_RESOURCES),
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ACPI_DEBUG_INIT(ACPI_LV_USER_REQUESTS),
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ACPI_DEBUG_INIT(ACPI_LV_PACKAGE),
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ACPI_DEBUG_INIT(ACPI_LV_ALLOCATIONS),
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ACPI_DEBUG_INIT(ACPI_LV_FUNCTIONS),
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ACPI_DEBUG_INIT(ACPI_LV_OPTIMIZATIONS),
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ACPI_DEBUG_INIT(ACPI_LV_MUTEX),
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ACPI_DEBUG_INIT(ACPI_LV_THREADS),
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ACPI_DEBUG_INIT(ACPI_LV_IO),
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ACPI_DEBUG_INIT(ACPI_LV_INTERRUPTS),
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ACPI_DEBUG_INIT(ACPI_LV_AML_DISASSEMBLE),
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ACPI_DEBUG_INIT(ACPI_LV_VERBOSE_INFO),
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ACPI_DEBUG_INIT(ACPI_LV_FULL_TABLES),
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ACPI_DEBUG_INIT(ACPI_LV_EVENTS),
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};
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static int param_get_debug_layer(char *buffer, struct kernel_param *kp)
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{
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int result = 0;
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int i;
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result = sprintf(buffer, "%-25s\tHex SET\n", "Description");
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for (i = 0; i < ARRAY_SIZE(acpi_debug_layers); i++) {
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result += sprintf(buffer + result, "%-25s\t0x%08lX [%c]\n",
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acpi_debug_layers[i].name,
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acpi_debug_layers[i].value,
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(acpi_dbg_layer & acpi_debug_layers[i].value)
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? '*' : ' ');
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}
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result +=
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sprintf(buffer + result, "%-25s\t0x%08X [%c]\n", "ACPI_ALL_DRIVERS",
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ACPI_ALL_DRIVERS,
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(acpi_dbg_layer & ACPI_ALL_DRIVERS) ==
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ACPI_ALL_DRIVERS ? '*' : (acpi_dbg_layer & ACPI_ALL_DRIVERS)
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== 0 ? ' ' : '-');
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result +=
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sprintf(buffer + result,
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"--\ndebug_layer = 0x%08X ( * = enabled)\n",
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acpi_dbg_layer);
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return result;
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}
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static int param_get_debug_level(char *buffer, struct kernel_param *kp)
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{
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int result = 0;
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int i;
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result = sprintf(buffer, "%-25s\tHex SET\n", "Description");
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for (i = 0; i < ARRAY_SIZE(acpi_debug_levels); i++) {
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result += sprintf(buffer + result, "%-25s\t0x%08lX [%c]\n",
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acpi_debug_levels[i].name,
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acpi_debug_levels[i].value,
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(acpi_dbg_level & acpi_debug_levels[i].value)
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? '*' : ' ');
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}
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result +=
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sprintf(buffer + result, "--\ndebug_level = 0x%08X (* = enabled)\n",
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acpi_dbg_level);
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return result;
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}
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module_param_call(debug_layer, param_set_uint, param_get_debug_layer,
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&acpi_dbg_layer, 0644);
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module_param_call(debug_level, param_set_uint, param_get_debug_level,
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&acpi_dbg_level, 0644);
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static char trace_method_name[6];
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module_param_string(trace_method_name, trace_method_name, 6, 0644);
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static unsigned int trace_debug_layer;
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module_param(trace_debug_layer, uint, 0644);
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static unsigned int trace_debug_level;
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module_param(trace_debug_level, uint, 0644);
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static int param_set_trace_state(const char *val, struct kernel_param *kp)
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{
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int result = 0;
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if (!strncmp(val, "enable", strlen("enable") - 1)) {
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result = acpi_debug_trace(trace_method_name, trace_debug_level,
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trace_debug_layer, 0);
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if (result)
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result = -EBUSY;
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goto exit;
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}
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if (!strncmp(val, "disable", strlen("disable") - 1)) {
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int name = 0;
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result = acpi_debug_trace((char *)&name, trace_debug_level,
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trace_debug_layer, 0);
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if (result)
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result = -EBUSY;
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goto exit;
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}
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if (!strncmp(val, "1", 1)) {
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result = acpi_debug_trace(trace_method_name, trace_debug_level,
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trace_debug_layer, 1);
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if (result)
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result = -EBUSY;
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goto exit;
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}
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result = -EINVAL;
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exit:
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return result;
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}
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static int param_get_trace_state(char *buffer, struct kernel_param *kp)
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{
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if (!acpi_gbl_trace_method_name)
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return sprintf(buffer, "disable");
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else {
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if (acpi_gbl_trace_flags & 1)
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return sprintf(buffer, "1");
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else
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return sprintf(buffer, "enable");
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}
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return 0;
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}
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module_param_call(trace_state, param_set_trace_state, param_get_trace_state,
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NULL, 0644);
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#endif /* CONFIG_ACPI_DEBUG */
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/* /sys/module/acpi/parameters/acpica_version */
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static int param_get_acpica_version(char *buffer, struct kernel_param *kp)
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{
|
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int result;
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result = sprintf(buffer, "%x", ACPI_CA_VERSION);
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return result;
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}
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module_param_call(acpica_version, NULL, param_get_acpica_version, NULL, 0444);
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/*
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* ACPI table sysfs I/F:
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* /sys/firmware/acpi/tables/
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* /sys/firmware/acpi/tables/dynamic/
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*/
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static LIST_HEAD(acpi_table_attr_list);
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static struct kobject *tables_kobj;
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static struct kobject *dynamic_tables_kobj;
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struct acpi_table_attr {
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struct bin_attribute attr;
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char name[8];
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int instance;
|
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struct list_head node;
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};
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static ssize_t acpi_table_show(struct file *filp, struct kobject *kobj,
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struct bin_attribute *bin_attr, char *buf,
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loff_t offset, size_t count)
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{
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struct acpi_table_attr *table_attr =
|
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container_of(bin_attr, struct acpi_table_attr, attr);
|
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struct acpi_table_header *table_header = NULL;
|
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acpi_status status;
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char name[ACPI_NAME_SIZE];
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||||
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if (strncmp(table_attr->name, "NULL", 4))
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memcpy(name, table_attr->name, ACPI_NAME_SIZE);
|
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else
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memcpy(name, "\0\0\0\0", 4);
|
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status = acpi_get_table(name, table_attr->instance, &table_header);
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if (ACPI_FAILURE(status))
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return -ENODEV;
|
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|
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return memory_read_from_buffer(buf, count, &offset,
|
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table_header, table_header->length);
|
||||
}
|
||||
|
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static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
|
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struct acpi_table_header *table_header)
|
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{
|
||||
struct acpi_table_header *header = NULL;
|
||||
struct acpi_table_attr *attr = NULL;
|
||||
|
||||
sysfs_attr_init(&table_attr->attr.attr);
|
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if (table_header->signature[0] != '\0')
|
||||
memcpy(table_attr->name, table_header->signature,
|
||||
ACPI_NAME_SIZE);
|
||||
else
|
||||
memcpy(table_attr->name, "NULL", 4);
|
||||
|
||||
list_for_each_entry(attr, &acpi_table_attr_list, node) {
|
||||
if (!memcmp(table_attr->name, attr->name, ACPI_NAME_SIZE))
|
||||
if (table_attr->instance < attr->instance)
|
||||
table_attr->instance = attr->instance;
|
||||
}
|
||||
table_attr->instance++;
|
||||
|
||||
if (table_attr->instance > 1 || (table_attr->instance == 1 &&
|
||||
!acpi_get_table
|
||||
(table_header->signature, 2, &header)))
|
||||
sprintf(table_attr->name + ACPI_NAME_SIZE, "%d",
|
||||
table_attr->instance);
|
||||
|
||||
table_attr->attr.size = 0;
|
||||
table_attr->attr.read = acpi_table_show;
|
||||
table_attr->attr.attr.name = table_attr->name;
|
||||
table_attr->attr.attr.mode = 0400;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
static acpi_status
|
||||
acpi_sysfs_table_handler(u32 event, void *table, void *context)
|
||||
{
|
||||
struct acpi_table_attr *table_attr;
|
||||
|
||||
switch (event) {
|
||||
case ACPI_TABLE_EVENT_LOAD:
|
||||
table_attr =
|
||||
kzalloc(sizeof(struct acpi_table_attr), GFP_KERNEL);
|
||||
if (!table_attr)
|
||||
return AE_NO_MEMORY;
|
||||
|
||||
acpi_table_attr_init(table_attr, table);
|
||||
if (sysfs_create_bin_file(dynamic_tables_kobj,
|
||||
&table_attr->attr)) {
|
||||
kfree(table_attr);
|
||||
return AE_ERROR;
|
||||
} else
|
||||
list_add_tail(&table_attr->node, &acpi_table_attr_list);
|
||||
break;
|
||||
case ACPI_TABLE_EVENT_UNLOAD:
|
||||
/*
|
||||
* we do not need to do anything right now
|
||||
* because the table is not deleted from the
|
||||
* global table list when unloading it.
|
||||
*/
|
||||
break;
|
||||
default:
|
||||
return AE_BAD_PARAMETER;
|
||||
}
|
||||
return AE_OK;
|
||||
}
|
||||
|
||||
static int acpi_tables_sysfs_init(void)
|
||||
{
|
||||
struct acpi_table_attr *table_attr;
|
||||
struct acpi_table_header *table_header = NULL;
|
||||
int table_index = 0;
|
||||
int result;
|
||||
|
||||
tables_kobj = kobject_create_and_add("tables", acpi_kobj);
|
||||
if (!tables_kobj)
|
||||
goto err;
|
||||
|
||||
dynamic_tables_kobj = kobject_create_and_add("dynamic", tables_kobj);
|
||||
if (!dynamic_tables_kobj)
|
||||
goto err_dynamic_tables;
|
||||
|
||||
do {
|
||||
result = acpi_get_table_by_index(table_index, &table_header);
|
||||
if (!result) {
|
||||
table_index++;
|
||||
table_attr = NULL;
|
||||
table_attr =
|
||||
kzalloc(sizeof(struct acpi_table_attr), GFP_KERNEL);
|
||||
if (!table_attr)
|
||||
return -ENOMEM;
|
||||
|
||||
acpi_table_attr_init(table_attr, table_header);
|
||||
result =
|
||||
sysfs_create_bin_file(tables_kobj,
|
||||
&table_attr->attr);
|
||||
if (result) {
|
||||
kfree(table_attr);
|
||||
return result;
|
||||
} else
|
||||
list_add_tail(&table_attr->node,
|
||||
&acpi_table_attr_list);
|
||||
}
|
||||
} while (!result);
|
||||
kobject_uevent(tables_kobj, KOBJ_ADD);
|
||||
kobject_uevent(dynamic_tables_kobj, KOBJ_ADD);
|
||||
result = acpi_install_table_handler(acpi_sysfs_table_handler, NULL);
|
||||
|
||||
return result == AE_OK ? 0 : -EINVAL;
|
||||
err_dynamic_tables:
|
||||
kobject_put(tables_kobj);
|
||||
err:
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
/*
|
||||
* Detailed ACPI IRQ counters:
|
||||
* /sys/firmware/acpi/interrupts/
|
||||
*/
|
||||
|
||||
u32 acpi_irq_handled;
|
||||
u32 acpi_irq_not_handled;
|
||||
|
||||
#define COUNT_GPE 0
|
||||
#define COUNT_SCI 1 /* acpi_irq_handled */
|
||||
#define COUNT_SCI_NOT 2 /* acpi_irq_not_handled */
|
||||
#define COUNT_ERROR 3 /* other */
|
||||
#define NUM_COUNTERS_EXTRA 4
|
||||
|
||||
struct event_counter {
|
||||
u32 count;
|
||||
u32 flags;
|
||||
};
|
||||
|
||||
static struct event_counter *all_counters;
|
||||
static u32 num_gpes;
|
||||
static u32 num_counters;
|
||||
static struct attribute **all_attrs;
|
||||
static u32 acpi_gpe_count;
|
||||
|
||||
static struct attribute_group interrupt_stats_attr_group = {
|
||||
.name = "interrupts",
|
||||
};
|
||||
|
||||
static struct kobj_attribute *counter_attrs;
|
||||
|
||||
static void delete_gpe_attr_array(void)
|
||||
{
|
||||
struct event_counter *tmp = all_counters;
|
||||
|
||||
all_counters = NULL;
|
||||
kfree(tmp);
|
||||
|
||||
if (counter_attrs) {
|
||||
int i;
|
||||
|
||||
for (i = 0; i < num_gpes; i++)
|
||||
kfree(counter_attrs[i].attr.name);
|
||||
|
||||
kfree(counter_attrs);
|
||||
}
|
||||
kfree(all_attrs);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
void acpi_os_gpe_count(u32 gpe_number)
|
||||
{
|
||||
acpi_gpe_count++;
|
||||
|
||||
if (!all_counters)
|
||||
return;
|
||||
|
||||
if (gpe_number < num_gpes)
|
||||
all_counters[gpe_number].count++;
|
||||
else
|
||||
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS +
|
||||
COUNT_ERROR].count++;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
void acpi_os_fixed_event_count(u32 event_number)
|
||||
{
|
||||
if (!all_counters)
|
||||
return;
|
||||
|
||||
if (event_number < ACPI_NUM_FIXED_EVENTS)
|
||||
all_counters[num_gpes + event_number].count++;
|
||||
else
|
||||
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS +
|
||||
COUNT_ERROR].count++;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
static int get_status(u32 index, acpi_event_status *status,
|
||||
acpi_handle *handle)
|
||||
{
|
||||
int result = 0;
|
||||
|
||||
if (index >= num_gpes + ACPI_NUM_FIXED_EVENTS)
|
||||
goto end;
|
||||
|
||||
if (index < num_gpes) {
|
||||
result = acpi_get_gpe_device(index, handle);
|
||||
if (result) {
|
||||
ACPI_EXCEPTION((AE_INFO, AE_NOT_FOUND,
|
||||
"Invalid GPE 0x%x\n", index));
|
||||
goto end;
|
||||
}
|
||||
result = acpi_get_gpe_status(*handle, index, status);
|
||||
} else if (index < (num_gpes + ACPI_NUM_FIXED_EVENTS))
|
||||
result = acpi_get_event_status(index - num_gpes, status);
|
||||
|
||||
end:
|
||||
return result;
|
||||
}
|
||||
|
||||
static ssize_t counter_show(struct kobject *kobj,
|
||||
struct kobj_attribute *attr, char *buf)
|
||||
{
|
||||
int index = attr - counter_attrs;
|
||||
int size;
|
||||
acpi_handle handle;
|
||||
acpi_event_status status;
|
||||
int result = 0;
|
||||
|
||||
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI].count =
|
||||
acpi_irq_handled;
|
||||
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI_NOT].count =
|
||||
acpi_irq_not_handled;
|
||||
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_GPE].count =
|
||||
acpi_gpe_count;
|
||||
size = sprintf(buf, "%8d", all_counters[index].count);
|
||||
|
||||
/* "gpe_all" or "sci" */
|
||||
if (index >= num_gpes + ACPI_NUM_FIXED_EVENTS)
|
||||
goto end;
|
||||
|
||||
result = get_status(index, &status, &handle);
|
||||
if (result)
|
||||
goto end;
|
||||
|
||||
if (!(status & ACPI_EVENT_FLAG_HANDLE))
|
||||
size += sprintf(buf + size, " invalid");
|
||||
else if (status & ACPI_EVENT_FLAG_ENABLED)
|
||||
size += sprintf(buf + size, " enabled");
|
||||
else if (status & ACPI_EVENT_FLAG_WAKE_ENABLED)
|
||||
size += sprintf(buf + size, " wake_enabled");
|
||||
else
|
||||
size += sprintf(buf + size, " disabled");
|
||||
|
||||
end:
|
||||
size += sprintf(buf + size, "\n");
|
||||
return result ? result : size;
|
||||
}
|
||||
|
||||
/*
|
||||
* counter_set() sets the specified counter.
|
||||
* setting the total "sci" file to any value clears all counters.
|
||||
* enable/disable/clear a gpe/fixed event in user space.
|
||||
*/
|
||||
static ssize_t counter_set(struct kobject *kobj,
|
||||
struct kobj_attribute *attr, const char *buf,
|
||||
size_t size)
|
||||
{
|
||||
int index = attr - counter_attrs;
|
||||
acpi_event_status status;
|
||||
acpi_handle handle;
|
||||
int result = 0;
|
||||
|
||||
if (index == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI) {
|
||||
int i;
|
||||
for (i = 0; i < num_counters; ++i)
|
||||
all_counters[i].count = 0;
|
||||
acpi_gpe_count = 0;
|
||||
acpi_irq_handled = 0;
|
||||
acpi_irq_not_handled = 0;
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* show the event status for both GPEs and Fixed Events */
|
||||
result = get_status(index, &status, &handle);
|
||||
if (result)
|
||||
goto end;
|
||||
|
||||
if (!(status & ACPI_EVENT_FLAG_HANDLE)) {
|
||||
printk(KERN_WARNING PREFIX
|
||||
"Can not change Invalid GPE/Fixed Event status\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (index < num_gpes) {
|
||||
if (!strcmp(buf, "disable\n") &&
|
||||
(status & ACPI_EVENT_FLAG_ENABLED))
|
||||
result = acpi_disable_gpe(handle, index);
|
||||
else if (!strcmp(buf, "enable\n") &&
|
||||
!(status & ACPI_EVENT_FLAG_ENABLED))
|
||||
result = acpi_enable_gpe(handle, index);
|
||||
else if (!strcmp(buf, "clear\n") &&
|
||||
(status & ACPI_EVENT_FLAG_SET))
|
||||
result = acpi_clear_gpe(handle, index);
|
||||
else
|
||||
all_counters[index].count = strtoul(buf, NULL, 0);
|
||||
} else if (index < num_gpes + ACPI_NUM_FIXED_EVENTS) {
|
||||
int event = index - num_gpes;
|
||||
if (!strcmp(buf, "disable\n") &&
|
||||
(status & ACPI_EVENT_FLAG_ENABLED))
|
||||
result = acpi_disable_event(event, ACPI_NOT_ISR);
|
||||
else if (!strcmp(buf, "enable\n") &&
|
||||
!(status & ACPI_EVENT_FLAG_ENABLED))
|
||||
result = acpi_enable_event(event, ACPI_NOT_ISR);
|
||||
else if (!strcmp(buf, "clear\n") &&
|
||||
(status & ACPI_EVENT_FLAG_SET))
|
||||
result = acpi_clear_event(event);
|
||||
else
|
||||
all_counters[index].count = strtoul(buf, NULL, 0);
|
||||
} else
|
||||
all_counters[index].count = strtoul(buf, NULL, 0);
|
||||
|
||||
if (ACPI_FAILURE(result))
|
||||
result = -EINVAL;
|
||||
end:
|
||||
return result ? result : size;
|
||||
}
|
||||
|
||||
void acpi_irq_stats_init(void)
|
||||
{
|
||||
int i;
|
||||
|
||||
if (all_counters)
|
||||
return;
|
||||
|
||||
num_gpes = acpi_current_gpe_count;
|
||||
num_counters = num_gpes + ACPI_NUM_FIXED_EVENTS + NUM_COUNTERS_EXTRA;
|
||||
|
||||
all_attrs = kzalloc(sizeof(struct attribute *) * (num_counters + 1),
|
||||
GFP_KERNEL);
|
||||
if (all_attrs == NULL)
|
||||
return;
|
||||
|
||||
all_counters = kzalloc(sizeof(struct event_counter) * (num_counters),
|
||||
GFP_KERNEL);
|
||||
if (all_counters == NULL)
|
||||
goto fail;
|
||||
|
||||
counter_attrs = kzalloc(sizeof(struct kobj_attribute) * (num_counters),
|
||||
GFP_KERNEL);
|
||||
if (counter_attrs == NULL)
|
||||
goto fail;
|
||||
|
||||
for (i = 0; i < num_counters; ++i) {
|
||||
char buffer[12];
|
||||
char *name;
|
||||
|
||||
if (i < num_gpes)
|
||||
sprintf(buffer, "gpe%02X", i);
|
||||
else if (i == num_gpes + ACPI_EVENT_PMTIMER)
|
||||
sprintf(buffer, "ff_pmtimer");
|
||||
else if (i == num_gpes + ACPI_EVENT_GLOBAL)
|
||||
sprintf(buffer, "ff_gbl_lock");
|
||||
else if (i == num_gpes + ACPI_EVENT_POWER_BUTTON)
|
||||
sprintf(buffer, "ff_pwr_btn");
|
||||
else if (i == num_gpes + ACPI_EVENT_SLEEP_BUTTON)
|
||||
sprintf(buffer, "ff_slp_btn");
|
||||
else if (i == num_gpes + ACPI_EVENT_RTC)
|
||||
sprintf(buffer, "ff_rt_clk");
|
||||
else if (i == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_GPE)
|
||||
sprintf(buffer, "gpe_all");
|
||||
else if (i == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI)
|
||||
sprintf(buffer, "sci");
|
||||
else if (i == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI_NOT)
|
||||
sprintf(buffer, "sci_not");
|
||||
else if (i == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR)
|
||||
sprintf(buffer, "error");
|
||||
else
|
||||
sprintf(buffer, "bug%02X", i);
|
||||
|
||||
name = kzalloc(strlen(buffer) + 1, GFP_KERNEL);
|
||||
if (name == NULL)
|
||||
goto fail;
|
||||
strncpy(name, buffer, strlen(buffer) + 1);
|
||||
|
||||
sysfs_attr_init(&counter_attrs[i].attr);
|
||||
counter_attrs[i].attr.name = name;
|
||||
counter_attrs[i].attr.mode = 0644;
|
||||
counter_attrs[i].show = counter_show;
|
||||
counter_attrs[i].store = counter_set;
|
||||
|
||||
all_attrs[i] = &counter_attrs[i].attr;
|
||||
}
|
||||
|
||||
interrupt_stats_attr_group.attrs = all_attrs;
|
||||
if (!sysfs_create_group(acpi_kobj, &interrupt_stats_attr_group))
|
||||
return;
|
||||
|
||||
fail:
|
||||
delete_gpe_attr_array();
|
||||
return;
|
||||
}
|
||||
|
||||
static void __exit interrupt_stats_exit(void)
|
||||
{
|
||||
sysfs_remove_group(acpi_kobj, &interrupt_stats_attr_group);
|
||||
|
||||
delete_gpe_attr_array();
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
int __init acpi_sysfs_init(void)
|
||||
{
|
||||
int result;
|
||||
|
||||
result = acpi_tables_sysfs_init();
|
||||
|
||||
return result;
|
||||
}
|
||||
|
|
@ -40,469 +40,6 @@ ACPI_MODULE_NAME("system");
|
|||
#define ACPI_SYSTEM_CLASS "system"
|
||||
#define ACPI_SYSTEM_DEVICE_NAME "System"
|
||||
|
||||
u32 acpi_irq_handled;
|
||||
u32 acpi_irq_not_handled;
|
||||
|
||||
/*
|
||||
* Make ACPICA version work as module param
|
||||
*/
|
||||
static int param_get_acpica_version(char *buffer, struct kernel_param *kp)
|
||||
{
|
||||
int result;
|
||||
|
||||
result = sprintf(buffer, "%x", ACPI_CA_VERSION);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
module_param_call(acpica_version, NULL, param_get_acpica_version, NULL, 0444);
|
||||
|
||||
/* --------------------------------------------------------------------------
|
||||
FS Interface (/sys)
|
||||
-------------------------------------------------------------------------- */
|
||||
static LIST_HEAD(acpi_table_attr_list);
|
||||
static struct kobject *tables_kobj;
|
||||
static struct kobject *dynamic_tables_kobj;
|
||||
|
||||
struct acpi_table_attr {
|
||||
struct bin_attribute attr;
|
||||
char name[8];
|
||||
int instance;
|
||||
struct list_head node;
|
||||
};
|
||||
|
||||
static ssize_t acpi_table_show(struct file *filp, struct kobject *kobj,
|
||||
struct bin_attribute *bin_attr, char *buf,
|
||||
loff_t offset, size_t count)
|
||||
{
|
||||
struct acpi_table_attr *table_attr =
|
||||
container_of(bin_attr, struct acpi_table_attr, attr);
|
||||
struct acpi_table_header *table_header = NULL;
|
||||
acpi_status status;
|
||||
char name[ACPI_NAME_SIZE];
|
||||
|
||||
if (strncmp(table_attr->name, "NULL", 4))
|
||||
memcpy(name, table_attr->name, ACPI_NAME_SIZE);
|
||||
else
|
||||
memcpy(name, "\0\0\0\0", 4);
|
||||
|
||||
status =
|
||||
acpi_get_table(name, table_attr->instance,
|
||||
&table_header);
|
||||
if (ACPI_FAILURE(status))
|
||||
return -ENODEV;
|
||||
|
||||
return memory_read_from_buffer(buf, count, &offset,
|
||||
table_header, table_header->length);
|
||||
}
|
||||
|
||||
static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
|
||||
struct acpi_table_header *table_header)
|
||||
{
|
||||
struct acpi_table_header *header = NULL;
|
||||
struct acpi_table_attr *attr = NULL;
|
||||
|
||||
sysfs_attr_init(&table_attr->attr.attr);
|
||||
if (table_header->signature[0] != '\0')
|
||||
memcpy(table_attr->name, table_header->signature,
|
||||
ACPI_NAME_SIZE);
|
||||
else
|
||||
memcpy(table_attr->name, "NULL", 4);
|
||||
|
||||
list_for_each_entry(attr, &acpi_table_attr_list, node) {
|
||||
if (!memcmp(table_attr->name, attr->name, ACPI_NAME_SIZE))
|
||||
if (table_attr->instance < attr->instance)
|
||||
table_attr->instance = attr->instance;
|
||||
}
|
||||
table_attr->instance++;
|
||||
|
||||
if (table_attr->instance > 1 || (table_attr->instance == 1 &&
|
||||
!acpi_get_table
|
||||
(table_header->signature, 2, &header)))
|
||||
sprintf(table_attr->name + ACPI_NAME_SIZE, "%d",
|
||||
table_attr->instance);
|
||||
|
||||
table_attr->attr.size = 0;
|
||||
table_attr->attr.read = acpi_table_show;
|
||||
table_attr->attr.attr.name = table_attr->name;
|
||||
table_attr->attr.attr.mode = 0400;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
static acpi_status
|
||||
acpi_sysfs_table_handler(u32 event, void *table, void *context)
|
||||
{
|
||||
struct acpi_table_attr *table_attr;
|
||||
|
||||
switch (event) {
|
||||
case ACPI_TABLE_EVENT_LOAD:
|
||||
table_attr =
|
||||
kzalloc(sizeof(struct acpi_table_attr), GFP_KERNEL);
|
||||
if (!table_attr)
|
||||
return AE_NO_MEMORY;
|
||||
|
||||
acpi_table_attr_init(table_attr, table);
|
||||
if (sysfs_create_bin_file(dynamic_tables_kobj,
|
||||
&table_attr->attr)) {
|
||||
kfree(table_attr);
|
||||
return AE_ERROR;
|
||||
} else
|
||||
list_add_tail(&table_attr->node,
|
||||
&acpi_table_attr_list);
|
||||
break;
|
||||
case ACPI_TABLE_EVENT_UNLOAD:
|
||||
/*
|
||||
* we do not need to do anything right now
|
||||
* because the table is not deleted from the
|
||||
* global table list when unloading it.
|
||||
*/
|
||||
break;
|
||||
default:
|
||||
return AE_BAD_PARAMETER;
|
||||
}
|
||||
return AE_OK;
|
||||
}
|
||||
|
||||
static int acpi_system_sysfs_init(void)
|
||||
{
|
||||
struct acpi_table_attr *table_attr;
|
||||
struct acpi_table_header *table_header = NULL;
|
||||
int table_index = 0;
|
||||
int result;
|
||||
|
||||
tables_kobj = kobject_create_and_add("tables", acpi_kobj);
|
||||
if (!tables_kobj)
|
||||
goto err;
|
||||
|
||||
dynamic_tables_kobj = kobject_create_and_add("dynamic", tables_kobj);
|
||||
if (!dynamic_tables_kobj)
|
||||
goto err_dynamic_tables;
|
||||
|
||||
do {
|
||||
result = acpi_get_table_by_index(table_index, &table_header);
|
||||
if (!result) {
|
||||
table_index++;
|
||||
table_attr = NULL;
|
||||
table_attr =
|
||||
kzalloc(sizeof(struct acpi_table_attr), GFP_KERNEL);
|
||||
if (!table_attr)
|
||||
return -ENOMEM;
|
||||
|
||||
acpi_table_attr_init(table_attr, table_header);
|
||||
result =
|
||||
sysfs_create_bin_file(tables_kobj,
|
||||
&table_attr->attr);
|
||||
if (result) {
|
||||
kfree(table_attr);
|
||||
return result;
|
||||
} else
|
||||
list_add_tail(&table_attr->node,
|
||||
&acpi_table_attr_list);
|
||||
}
|
||||
} while (!result);
|
||||
kobject_uevent(tables_kobj, KOBJ_ADD);
|
||||
kobject_uevent(dynamic_tables_kobj, KOBJ_ADD);
|
||||
result = acpi_install_table_handler(acpi_sysfs_table_handler, NULL);
|
||||
|
||||
return result == AE_OK ? 0 : -EINVAL;
|
||||
err_dynamic_tables:
|
||||
kobject_put(tables_kobj);
|
||||
err:
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
/*
|
||||
* Detailed ACPI IRQ counters in /sys/firmware/acpi/interrupts/
|
||||
* See Documentation/ABI/testing/sysfs-firmware-acpi
|
||||
*/
|
||||
|
||||
#define COUNT_GPE 0
|
||||
#define COUNT_SCI 1 /* acpi_irq_handled */
|
||||
#define COUNT_SCI_NOT 2 /* acpi_irq_not_handled */
|
||||
#define COUNT_ERROR 3 /* other */
|
||||
#define NUM_COUNTERS_EXTRA 4
|
||||
|
||||
struct event_counter {
|
||||
u32 count;
|
||||
u32 flags;
|
||||
};
|
||||
|
||||
static struct event_counter *all_counters;
|
||||
static u32 num_gpes;
|
||||
static u32 num_counters;
|
||||
static struct attribute **all_attrs;
|
||||
static u32 acpi_gpe_count;
|
||||
|
||||
static struct attribute_group interrupt_stats_attr_group = {
|
||||
.name = "interrupts",
|
||||
};
|
||||
static struct kobj_attribute *counter_attrs;
|
||||
|
||||
static void delete_gpe_attr_array(void)
|
||||
{
|
||||
struct event_counter *tmp = all_counters;
|
||||
|
||||
all_counters = NULL;
|
||||
kfree(tmp);
|
||||
|
||||
if (counter_attrs) {
|
||||
int i;
|
||||
|
||||
for (i = 0; i < num_gpes; i++)
|
||||
kfree(counter_attrs[i].attr.name);
|
||||
|
||||
kfree(counter_attrs);
|
||||
}
|
||||
kfree(all_attrs);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
void acpi_os_gpe_count(u32 gpe_number)
|
||||
{
|
||||
acpi_gpe_count++;
|
||||
|
||||
if (!all_counters)
|
||||
return;
|
||||
|
||||
if (gpe_number < num_gpes)
|
||||
all_counters[gpe_number].count++;
|
||||
else
|
||||
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR].
|
||||
count++;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
void acpi_os_fixed_event_count(u32 event_number)
|
||||
{
|
||||
if (!all_counters)
|
||||
return;
|
||||
|
||||
if (event_number < ACPI_NUM_FIXED_EVENTS)
|
||||
all_counters[num_gpes + event_number].count++;
|
||||
else
|
||||
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR].
|
||||
count++;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
static int get_status(u32 index, acpi_event_status *status, acpi_handle *handle)
|
||||
{
|
||||
int result = 0;
|
||||
|
||||
if (index >= num_gpes + ACPI_NUM_FIXED_EVENTS)
|
||||
goto end;
|
||||
|
||||
if (index < num_gpes) {
|
||||
result = acpi_get_gpe_device(index, handle);
|
||||
if (result) {
|
||||
ACPI_EXCEPTION((AE_INFO, AE_NOT_FOUND,
|
||||
"Invalid GPE 0x%x\n", index));
|
||||
goto end;
|
||||
}
|
||||
result = acpi_get_gpe_status(*handle, index, status);
|
||||
} else if (index < (num_gpes + ACPI_NUM_FIXED_EVENTS))
|
||||
result = acpi_get_event_status(index - num_gpes, status);
|
||||
|
||||
end:
|
||||
return result;
|
||||
}
|
||||
|
||||
static ssize_t counter_show(struct kobject *kobj,
|
||||
struct kobj_attribute *attr, char *buf)
|
||||
{
|
||||
int index = attr - counter_attrs;
|
||||
int size;
|
||||
acpi_handle handle;
|
||||
acpi_event_status status;
|
||||
int result = 0;
|
||||
|
||||
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI].count =
|
||||
acpi_irq_handled;
|
||||
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI_NOT].count =
|
||||
acpi_irq_not_handled;
|
||||
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_GPE].count =
|
||||
acpi_gpe_count;
|
||||
|
||||
size = sprintf(buf, "%8d", all_counters[index].count);
|
||||
|
||||
/* "gpe_all" or "sci" */
|
||||
if (index >= num_gpes + ACPI_NUM_FIXED_EVENTS)
|
||||
goto end;
|
||||
|
||||
result = get_status(index, &status, &handle);
|
||||
if (result)
|
||||
goto end;
|
||||
|
||||
if (!(status & ACPI_EVENT_FLAG_HANDLE))
|
||||
size += sprintf(buf + size, " invalid");
|
||||
else if (status & ACPI_EVENT_FLAG_ENABLED)
|
||||
size += sprintf(buf + size, " enabled");
|
||||
else if (status & ACPI_EVENT_FLAG_WAKE_ENABLED)
|
||||
size += sprintf(buf + size, " wake_enabled");
|
||||
else
|
||||
size += sprintf(buf + size, " disabled");
|
||||
|
||||
end:
|
||||
size += sprintf(buf + size, "\n");
|
||||
return result ? result : size;
|
||||
}
|
||||
|
||||
/*
|
||||
* counter_set() sets the specified counter.
|
||||
* setting the total "sci" file to any value clears all counters.
|
||||
* enable/disable/clear a gpe/fixed event in user space.
|
||||
*/
|
||||
static ssize_t counter_set(struct kobject *kobj,
|
||||
struct kobj_attribute *attr, const char *buf, size_t size)
|
||||
{
|
||||
int index = attr - counter_attrs;
|
||||
acpi_event_status status;
|
||||
acpi_handle handle;
|
||||
int result = 0;
|
||||
|
||||
if (index == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI) {
|
||||
int i;
|
||||
for (i = 0; i < num_counters; ++i)
|
||||
all_counters[i].count = 0;
|
||||
acpi_gpe_count = 0;
|
||||
acpi_irq_handled = 0;
|
||||
acpi_irq_not_handled = 0;
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* show the event status for both GPEs and Fixed Events */
|
||||
result = get_status(index, &status, &handle);
|
||||
if (result)
|
||||
goto end;
|
||||
|
||||
if (!(status & ACPI_EVENT_FLAG_HANDLE)) {
|
||||
printk(KERN_WARNING PREFIX
|
||||
"Can not change Invalid GPE/Fixed Event status\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (index < num_gpes) {
|
||||
if (!strcmp(buf, "disable\n") &&
|
||||
(status & ACPI_EVENT_FLAG_ENABLED))
|
||||
result = acpi_disable_gpe(handle, index);
|
||||
else if (!strcmp(buf, "enable\n") &&
|
||||
!(status & ACPI_EVENT_FLAG_ENABLED))
|
||||
result = acpi_enable_gpe(handle, index);
|
||||
else if (!strcmp(buf, "clear\n") &&
|
||||
(status & ACPI_EVENT_FLAG_SET))
|
||||
result = acpi_clear_gpe(handle, index);
|
||||
else
|
||||
all_counters[index].count = strtoul(buf, NULL, 0);
|
||||
} else if (index < num_gpes + ACPI_NUM_FIXED_EVENTS) {
|
||||
int event = index - num_gpes;
|
||||
if (!strcmp(buf, "disable\n") &&
|
||||
(status & ACPI_EVENT_FLAG_ENABLED))
|
||||
result = acpi_disable_event(event, ACPI_NOT_ISR);
|
||||
else if (!strcmp(buf, "enable\n") &&
|
||||
!(status & ACPI_EVENT_FLAG_ENABLED))
|
||||
result = acpi_enable_event(event, ACPI_NOT_ISR);
|
||||
else if (!strcmp(buf, "clear\n") &&
|
||||
(status & ACPI_EVENT_FLAG_SET))
|
||||
result = acpi_clear_event(event);
|
||||
else
|
||||
all_counters[index].count = strtoul(buf, NULL, 0);
|
||||
} else
|
||||
all_counters[index].count = strtoul(buf, NULL, 0);
|
||||
|
||||
if (ACPI_FAILURE(result))
|
||||
result = -EINVAL;
|
||||
end:
|
||||
return result ? result : size;
|
||||
}
|
||||
|
||||
void acpi_irq_stats_init(void)
|
||||
{
|
||||
int i;
|
||||
|
||||
if (all_counters)
|
||||
return;
|
||||
|
||||
num_gpes = acpi_current_gpe_count;
|
||||
num_counters = num_gpes + ACPI_NUM_FIXED_EVENTS + NUM_COUNTERS_EXTRA;
|
||||
|
||||
all_attrs = kzalloc(sizeof(struct attribute *) * (num_counters + 1),
|
||||
GFP_KERNEL);
|
||||
if (all_attrs == NULL)
|
||||
return;
|
||||
|
||||
all_counters = kzalloc(sizeof(struct event_counter) * (num_counters),
|
||||
GFP_KERNEL);
|
||||
if (all_counters == NULL)
|
||||
goto fail;
|
||||
|
||||
counter_attrs = kzalloc(sizeof(struct kobj_attribute) * (num_counters),
|
||||
GFP_KERNEL);
|
||||
if (counter_attrs == NULL)
|
||||
goto fail;
|
||||
|
||||
for (i = 0; i < num_counters; ++i) {
|
||||
char buffer[12];
|
||||
char *name;
|
||||
|
||||
if (i < num_gpes)
|
||||
sprintf(buffer, "gpe%02X", i);
|
||||
else if (i == num_gpes + ACPI_EVENT_PMTIMER)
|
||||
sprintf(buffer, "ff_pmtimer");
|
||||
else if (i == num_gpes + ACPI_EVENT_GLOBAL)
|
||||
sprintf(buffer, "ff_gbl_lock");
|
||||
else if (i == num_gpes + ACPI_EVENT_POWER_BUTTON)
|
||||
sprintf(buffer, "ff_pwr_btn");
|
||||
else if (i == num_gpes + ACPI_EVENT_SLEEP_BUTTON)
|
||||
sprintf(buffer, "ff_slp_btn");
|
||||
else if (i == num_gpes + ACPI_EVENT_RTC)
|
||||
sprintf(buffer, "ff_rt_clk");
|
||||
else if (i == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_GPE)
|
||||
sprintf(buffer, "gpe_all");
|
||||
else if (i == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI)
|
||||
sprintf(buffer, "sci");
|
||||
else if (i == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI_NOT)
|
||||
sprintf(buffer, "sci_not");
|
||||
else if (i == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR)
|
||||
sprintf(buffer, "error");
|
||||
else
|
||||
sprintf(buffer, "bug%02X", i);
|
||||
|
||||
name = kzalloc(strlen(buffer) + 1, GFP_KERNEL);
|
||||
if (name == NULL)
|
||||
goto fail;
|
||||
strncpy(name, buffer, strlen(buffer) + 1);
|
||||
|
||||
sysfs_attr_init(&counter_attrs[i].attr);
|
||||
counter_attrs[i].attr.name = name;
|
||||
counter_attrs[i].attr.mode = 0644;
|
||||
counter_attrs[i].show = counter_show;
|
||||
counter_attrs[i].store = counter_set;
|
||||
|
||||
all_attrs[i] = &counter_attrs[i].attr;
|
||||
}
|
||||
|
||||
interrupt_stats_attr_group.attrs = all_attrs;
|
||||
if (!sysfs_create_group(acpi_kobj, &interrupt_stats_attr_group))
|
||||
return;
|
||||
|
||||
fail:
|
||||
delete_gpe_attr_array();
|
||||
return;
|
||||
}
|
||||
|
||||
static void __exit interrupt_stats_exit(void)
|
||||
{
|
||||
sysfs_remove_group(acpi_kobj, &interrupt_stats_attr_group);
|
||||
|
||||
delete_gpe_attr_array();
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
/* --------------------------------------------------------------------------
|
||||
FS Interface (/proc)
|
||||
-------------------------------------------------------------------------- */
|
||||
|
|
@ -628,10 +165,6 @@ int __init acpi_system_init(void)
|
|||
int result;
|
||||
|
||||
result = acpi_system_procfs_init();
|
||||
if (result)
|
||||
return result;
|
||||
|
||||
result = acpi_system_sysfs_init();
|
||||
|
||||
return result;
|
||||
}
|
||||
|
|
|
|||
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