Advanced Configuration and Power Interface Specification

Advanced Configuration and Power Interface Specification
The platform enumerates the error source with event as the notification method using the format in
Table 18-329 and Table 18-330
The platform surfaces an error device, PNP ID PNP0C33, to the OSPM
When the platform is ready to report an error, the platform populates the error status block including
the block status field ( Table 18-330)
Traditional ACPI platforms signal the error using an SCI, on the appropriate GPE:
• The OSPM evaluates the GPE control method associated with this event as indicated on
Section 5.6.4.1.1
• OSPM responds to this notification by checking the error status block of all generic error
sources with the SCI Generic notification type to identify the source reporting the error
HW-reduced ACPI platforms signal the error using a GPIO interrupt on a pin designated as an ACPI
event, as declared by the associated _AEI object:
• The OSPM evaluates the control method associated with this event as indicated in
Section 5.6.5.3
• OSPM responds to this notification by checking the error status block of all generic error
sources with the GPIO-Signal notification type to identify the source reporting the error.
18.3.2.7 Hardware Error Notification
This table describes the notification mechanism associated with a hardware error source.
Table 18-332 Hardware Error Notification Structure
Field
Byte
Length
Byte
Offset
Description
Type 1 0 Identifies the notification type:
0 – Polled
1 – External Interrupt
2 – Local Interrupt
3 – SCI
4 – NMI
5 - CMCI
6 - MCE
7 - GPIO-Signal
All other values are reserved
Length 1 1 Total length of the structure in bytes.
Configuration
Write Enable
2 2 This field indicates whether configuration parameters may be
modified by OSPM. If the bit for the associated parameter is set,
the parameter is writeable by OSPM:
Bit [0]: Type
Bit [1]: Poll Interval
Bit [2]: Switch To Polling Threshold Value
Bit [3]: Switch To Polling Threshold Window
Bit [4]: Error Threshold Value
Bit [5]: Error Threshold Window
All other bits are reserved.
728 April, 2015 Version 6.0