diff options
| author | Alexey Neyman <aneyman@google.com> | 2025-04-25 21:22:35 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2025-05-12 15:38:41 +0200 |
| commit | f61c39494901d729d5c21ba92040e9164ea957be (patch) | |
| tree | 2b006d2ade218a598501771c876898f0da8e4e32 | |
| parent | 12b660251007e00a3e4d47ec62dbe3a7ace7023e (diff) | |
ACPICA: Interpret SIDP structures in DMAR
ACPICA commit af51f730e0bccf789686cea68e116d5f0b27aacb
Added in revision 3.4 of the VT-d spec. To support SIDP, part of the
previously reserved field in the device scope structure was used to
create a 1-byte "Flags" field.
Link: https://github.com/acpica/acpica/commit/af51f730
Signed-off-by: Alexey Neyman <aneyman@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/2239745.irdbgypaU6@rjwysocki.net
| -rw-r--r-- | include/acpi/actbl1.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h index 329454c303b9..e0cbda95fec8 100644 --- a/include/acpi/actbl1.h +++ b/include/acpi/actbl1.h @@ -819,7 +819,8 @@ enum acpi_dmar_type { ACPI_DMAR_TYPE_HARDWARE_AFFINITY = 3, ACPI_DMAR_TYPE_NAMESPACE = 4, ACPI_DMAR_TYPE_SATC = 5, - ACPI_DMAR_TYPE_RESERVED = 6 /* 6 and greater are reserved */ + ACPI_DMAR_TYPE_SIDP = 6, + ACPI_DMAR_TYPE_RESERVED = 7 /* 7 and greater are reserved */ }; /* DMAR Device Scope structure */ @@ -827,7 +828,8 @@ enum acpi_dmar_type { struct acpi_dmar_device_scope { u8 entry_type; u8 length; - u16 reserved; + u8 flags; + u8 reserved; u8 enumeration_id; u8 bus; }; @@ -923,6 +925,15 @@ struct acpi_dmar_satc { u8 reserved; u16 segment; }; + +/* 6: so_c Integrated Device Property Reporting Structure */ + +struct acpi_dmar_sidp { + struct acpi_dmar_header header; + u16 reserved; + u16 segment; +}; + /******************************************************************************* * * DRTM - Dynamic Root of Trust for Measurement table |