ACPICA: Disassembler: Add decoding of Notify() values.
For Notify operators, displays a comment that describe the meaning
of the notify value.
This patch updates the debugging information that is enabled for
CONFIG_ACPI_DEBUG builds.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index 5328610..2cf8d2c 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -176,8 +176,7 @@
char *acpi_ut_get_mutex_name(u32 mutex_id);
-const char *acpi_ut_get_notify_name(u32 notify_value);
-
+const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type);
#endif
char *acpi_ut_get_type_name(acpi_object_type type);
diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c
index 5d594eb..24ea342 100644
--- a/drivers/acpi/acpica/evmisc.c
+++ b/drivers/acpi/acpica/evmisc.c
@@ -167,7 +167,8 @@
"Dispatching Notify on [%4.4s] (%s) Value 0x%2.2X (%s) Node %p\n",
acpi_ut_get_node_name(node),
acpi_ut_get_type_name(node->type), notify_value,
- acpi_ut_get_notify_name(notify_value), node));
+ acpi_ut_get_notify_name(notify_value, ACPI_TYPE_ANY),
+ node));
status = acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_ev_notify_dispatch,
info);
diff --git a/drivers/acpi/acpica/utdecode.c b/drivers/acpi/acpica/utdecode.c
index fbfa9ec..90ec37c 100644
--- a/drivers/acpi/acpica/utdecode.c
+++ b/drivers/acpi/acpica/utdecode.c
@@ -462,7 +462,7 @@
/* Names for Notify() values, used for debug output */
-static const char *acpi_gbl_notify_value_names[ACPI_NOTIFY_MAX + 1] = {
+static const char *acpi_gbl_generic_notify[ACPI_NOTIFY_MAX + 1] = {
/* 00 */ "Bus Check",
/* 01 */ "Device Check",
/* 02 */ "Device Wake",
@@ -473,23 +473,75 @@
/* 07 */ "Power Fault",
/* 08 */ "Capabilities Check",
/* 09 */ "Device PLD Check",
- /* 10 */ "Reserved",
- /* 11 */ "System Locality Update",
- /* 12 */ "Shutdown Request"
+ /* 0A */ "Reserved",
+ /* 0B */ "System Locality Update",
+ /* 0C */ "Shutdown Request"
};
-const char *acpi_ut_get_notify_name(u32 notify_value)
+static const char *acpi_gbl_device_notify[4] = {
+ /* 80 */ "Status Change",
+ /* 81 */ "Information Change",
+ /* 82 */ "Device-Specific Change",
+ /* 83 */ "Device-Specific Change"
+};
+
+static const char *acpi_gbl_processor_notify[4] = {
+ /* 80 */ "Performance Capability Change",
+ /* 81 */ "C-State Change",
+ /* 82 */ "Throttling Capability Change",
+ /* 83 */ "Device-Specific Change"
+};
+
+static const char *acpi_gbl_thermal_notify[4] = {
+ /* 80 */ "Thermal Status Change",
+ /* 81 */ "Thermal Trip Point Change",
+ /* 82 */ "Thermal Device List Change",
+ /* 83 */ "Thermal Relationship Change"
+};
+
+const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type)
{
+ /* 00 - 0C are common to all object types */
+
if (notify_value <= ACPI_NOTIFY_MAX) {
- return (acpi_gbl_notify_value_names[notify_value]);
- } else if (notify_value <= ACPI_MAX_SYS_NOTIFY) {
- return ("Reserved");
- } else if (notify_value <= ACPI_MAX_DEVICE_SPECIFIC_NOTIFY) {
- return ("Device Specific");
- } else {
- return ("Hardware Specific");
+ return (acpi_gbl_generic_notify[notify_value]);
}
+
+ /* 0D - 7F are reserved */
+
+ if (notify_value <= ACPI_MAX_SYS_NOTIFY) {
+ return ("Reserved");
+ }
+
+ /* 80 - 83 are per-object-type */
+
+ if (notify_value <= 0x83) {
+ switch (type) {
+ case ACPI_TYPE_ANY:
+ case ACPI_TYPE_DEVICE:
+ return (acpi_gbl_device_notify[notify_value - 0x80]);
+
+ case ACPI_TYPE_PROCESSOR:
+ return (acpi_gbl_processor_notify[notify_value - 0x80]);
+
+ case ACPI_TYPE_THERMAL:
+ return (acpi_gbl_thermal_notify[notify_value - 0x80]);
+
+ default:
+ return ("Target object type does not support notifies");
+ }
+ }
+
+ /* 84 - BF are device-specific */
+
+ if (notify_value <= ACPI_MAX_DEVICE_SPECIFIC_NOTIFY) {
+ return ("Device-Specific");
+ }
+
+ /* C0 and above are hardware-specific */
+
+ return ("Hardware-Specific");
}
#endif