[RFC 05/12] ACPICA: Add TLBI table definition
flat view
From: Kristina Martšenko <hidden>
Date: 2026-10-01 11:07:51
Also in:
kvmarm, linux-acpi, linux-efi
Subsystem:
acpi, acpi component architecture (acpica), the rest · Maintainers:
"Rafael J. Wysocki", Maciej Wieczor-Retman, Pawel Chmielewski, Linus Torvalds
Add the definition of the new Arm TLBI ACPI table. NOTE: This patch is not yet part of ACPICA and should not be merged as is. The TLBI table description is not yet public and may change. This definition is just an initial proposal of how it will look. Assisted-by: LLM Signed-off-by: Kristina Martšenko <redacted> --- include/acpi/actbl2.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+)
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index baef525367b5..68849c9f7cf6 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h@@ -61,6 +61,7 @@ #define ACPI_SIG_SVKL "SVKL" /* Storage Volume Key Location Table */ #define ACPI_SIG_SWFT "SWFT" /* SoundWire File Table */ #define ACPI_SIG_TDEL "TDEL" /* TD Event Log Table */ +#define ACPI_SIG_TLBI "TLBI" /* TLB Invalidate Domain Table */ /* * All tables must be byte-packed to match the ACPI specification, since
@@ -3701,6 +3702,37 @@ struct acpi_table_tdel { u64 log_area_start_address; }; +/******************************************************************************* + * + * TLBI - TLBI Domain Table + * + ******************************************************************************/ + +struct acpi_table_tlbi { + struct acpi_table_header header; + u32 domain_count; + u32 domains_offset; +}; + +struct acpi_tlbi_domain { + u32 length; + u32 id; + u32 descendant_count; + u32 descendants_offset; +}; + +struct acpi_tlbi_descendant { + u32 type; + u32 identifier; + u32 length; +}; + +enum acpi_tlbi_descendant_type { + ACPI_TLBI_DESCENDANT_DOMAIN = 0, + ACPI_TLBI_DESCENDANT_CPU = 1, + ACPI_TLBI_DESCENDANT_SMMU = 2, +}; + /* Reset to default packing */ #pragma pack()
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2.43.0