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Commit 06a63e33 authored by Bob Moore's avatar Bob Moore Committed by Rafael J. Wysocki
Browse files

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: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarLv Zheng <lv.zheng@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent b944b29c

drivers/acpi/acpica/acutils.h

+1 −2
Original line number Diff line number Diff line
@@ -176,8 +176,7 @@ acpi_status acpi_ut_init_globals(void); 


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);

drivers/acpi/acpica/evmisc.c

+2 −1
Original line number Diff line number Diff line
@@ -167,7 +167,8 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node, 
			  "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);

drivers/acpi/acpica/utdecode.c

+63 −11
Original line number Diff line number Diff line
@@ -462,7 +462,7 @@ char *acpi_ut_get_mutex_name(u32 mutex_id) 


/* 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 @@ static const char *acpi_gbl_notify_value_names[ACPI_NOTIFY_MAX + 1] = { 
	/* 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 (acpi_gbl_generic_notify[notify_value]);

	}



	/* 0D - 7F are reserved */



	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");

	}



	/* 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