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| author | Dave Jiang <dave.jiang@intel.com> | 2026-01-14 13:21:05 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2026-01-15 18:17:48 +0100 |
| commit | 55e81991e1e4f8e220e83677919a65e919a407bc (patch) | |
| tree | 91746c97804ec228e7dd3db70dff9201091fd693 /include/acpi | |
| parent | f851e03bce968ff9b3faad1b616062e1244fd38d (diff) | |
| download | linux-next-55e81991e1e4f8e220e83677919a65e919a407bc.tar.gz linux-next-55e81991e1e4f8e220e83677919a65e919a407bc.zip | |
ACPICA: Add KEYP table definition
Software uses this table to discover the base address of the Key
Configuration Unit (KCU) register block associated with each IDE capable
host bridge.
[1]: Root Complex IDE Key Configuration Unit Software Programming Guide
https://cdrdv2.intel.com/v1/dl/getContent/732838
Link: https://github.com/acpica/acpica/commit/af970172e2dd
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/3401908.44csPzL39Z@rafael.j.wysocki
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/actbl2.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index f726bce3eb84..4040e4df051b 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -32,6 +32,7 @@ #define ACPI_SIG_ERDT "ERDT" /* Enhanced Resource Director Technology */ #define ACPI_SIG_IORT "IORT" /* IO Remapping Table */ #define ACPI_SIG_IVRS "IVRS" /* I/O Virtualization Reporting Structure */ +#define ACPI_SIG_KEYP "KEYP" /* Key Programming Interface for IDE */ #define ACPI_SIG_LPIT "LPIT" /* Low Power Idle Table */ #define ACPI_SIG_MADT "APIC" /* Multiple APIC Description Table */ #define ACPI_SIG_MCFG "MCFG" /* PCI Memory Mapped Configuration table */ @@ -1067,6 +1068,64 @@ struct acpi_ivrs_memory { /******************************************************************************* * + * KEYP - Key Programming Interface for Root Complex Integrity and Data + * Encryption (IDE) + * Version 1 + * + * Conforms to "Key Programming Interface for Root Complex Integrity and Data + * Encryption (IDE)" document. See under ACPI-Related Documents. + * + ******************************************************************************/ +struct acpi_table_keyp { + struct acpi_table_header header; /* Common ACPI table header */ + u32 reserved; +}; + +/* KEYP common subtable header */ + +struct acpi_keyp_common_header { + u8 type; + u8 reserved; + u16 length; +}; + +/* Values for Type field above */ + +enum acpi_keyp_type { + ACPI_KEYP_TYPE_CONFIG_UNIT = 0, +}; + +/* Root Port Information Structure */ + +struct acpi_keyp_rp_info { + u16 segment; + u8 bus; + u8 devfn; +}; + +/* Key Configuration Unit Structure */ + +struct acpi_keyp_config_unit { + struct acpi_keyp_common_header header; + u8 protocol_type; + u8 version; + u8 root_port_count; + u8 flags; + u64 register_base_address; + struct acpi_keyp_rp_info rp_info[]; +}; + +enum acpi_keyp_protocol_type { + ACPI_KEYP_PROTO_TYPE_INVALID = 0, + ACPI_KEYP_PROTO_TYPE_PCIE, + ACPI_KEYP_PROTO_TYPE_CXL, + ACPI_KEYP_PROTO_TYPE_RESERVED +}; + +#define ACPI_KEYP_F_TVM_USABLE (1) + +/******************************************************************************* + * * LPIT - Low Power Idle Table * * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014. |