arch/arm64/acpi_object_usage.rst

10 the table signature (the first four bytes of the table) is the only portion
11 of the table recognized by the specification, and the actual table is defined
28 Table  Usage for ARMv8 Linux
32        **Arm Error Source Table**
34        This table informs the OS of any error nodes in the system that are
39        **Arm Generic diagnostic Dump and Reset Device Interface Table**
41        This table describes a non-maskable event, that is used by the platform
46        **Arm Performance Monitoring Table**
48        This table describes the properties of PMU support implemented by
53        **Boot Error Record Table**
56        is recommended this table be supplied.
60        **simple BOOT flag table**
62        Microsoft only table, will not be supported.
66        **Boot Graphics Resource Table**
73        **CXL Early Discovery Table**
75        This table allows the OS to discover any CXL Host Bridges and the Host
80        **Corrected Platform Error Polling table**
88        **Core System Resources Table**
94        **DeBuG port table 2**
101        **DeBuG Port table**
103        Microsoft only table, will not be supported.
107        **Differentiated System Description Table**
117        **DMA Remapping table**
119        x86 only table, will not be supported.
123        **Dynamic Root of Trust for Measurement table**
129        **Embedded Controller Description Table**
138        **Error Injection table**
140        This table is very useful for testing platform response to error
142        if it had actually occurred.  However, this table should not be
148        **Error Record Serialization Table**
150        On a platform supports RAS, this table must be supplied if it is not
151        UEFI-based; if it is UEFI-based, this table may be supplied. When this
152        table is not present, UEFI run time service will be utilized to save
157        **Event Timer Description Table**
159        Obsolete table, will not be supported.
165        It is unlikely that this table will be terribly useful.  If it is
172        **Fixed ACPI Description Table**
180        If an FACS table is provided, the X_FIRMWARE_CTRL field is to be
185        PSCI_USE_HVC is set or unset as needed (see table 5-37).
192        **Firmware Performance Data Table**
198        **Generic Timer Description Table**
204        **Hardware Error Source Table**
213        is recommended this table be supplied.
217        **Heterogeneous Memory Attribute Table**
219        This table describes the memory attributes, such as memory side cache
226        **High Precision Event timer Table**
228        x86 only table, will not be supported.
232        **iSCSI Boot Firmware Table**
234        Microsoft defined table, support TBD.
238        **Input Output Remapping Table**
240        arm64 only table, required in order to describe IO topology, SMMUs,
243        This table will only be required on certain SBSA platforms (e.g.,
251        x86_64 (AMD) only table, will not be supported.
255        **Low Power Idle Table**
257        x86 only table as of ACPI 5.1; starting with ACPI 6.0, processor
264        **Multiple APIC Description Table**
273        If the platform supports PCI/PCIe, an MCFG table is required.
277        **Management Controller Host Interface table**
283        **Memory Partitioning And Monitoring table**
285        This table allows the OS to discover the MPAM controls implemented by
290        **Memory Power State Table**
296        **Maximum System Characteristic Table**
302        **Microsoft Data Management table**
304        Microsoft only table, will not be supported.
308        **NVDIMM Firmware Interface Table**
323        **Platform Communications Channel Table**
330        **Platform Debug Trigger Table**
332        This table describes PCC channels used to gather debug logs of
338        **Platform Memory Topology Table**
344        **Processor Properties Topology Table**
346        This table provides the processor and cache topology.
350        **Persistent System Description Table**
352        Obsolete table, will not be supported.
356        **RAS Features 2 table**
358        This table provides interfaces for the RAS capabilities implemented in
363        **RAS Feature table**
375        **Root System Description Table**
377        Since this table can only provide 32-bit addresses, it is deprecated
382        **Smart Battery Subsystem Table**
388        **Software Delegated Exception Interface table**
390        This table advertises the presence of the SDEI interface.
394        **Software LIcensing table**
396        Microsoft only table, will not be supported.
400        **System Locality distance Information Table**
406        **Serial Port Console Redirection table**
412        **Server Platform Management Interface table**
418        **System Resource Affinity Table**
421        To support arm64 NUMA, this table is required.
425        **Secondary System Description Table**
440        **_STA Override table**
447        **Trusted Computing Platform Alliance table**
454        **Trusted Platform Module 2 table**
461        **UEFI ACPI data table**
468        **Windows ACPI Emulated devices Table**
470        Microsoft only table, will not be supported.
474        **Watch Dog Action Table**
476        Microsoft only table, will not be supported.
480        **Watch Dog Resource Table**
482        Microsoft only table, will not be supported.
486        **Windows Platform Binary Table**
488        Microsoft only table, will not be supported.
492        **Xen project table**
498        **eXtended System Description Table**
525                        the appropriate SMMU configuration (see Table 17 of
643 _SLI   6.2.15          Use is recommended when SLIT table is in use.
646        7.2.4           that can be turned on or off.  See also the STAO table