diff options
Diffstat (limited to 'source/include/actbl2.h')
| -rw-r--r-- | source/include/actbl2.h | 83 |
1 files changed, 80 insertions, 3 deletions
diff --git a/source/include/actbl2.h b/source/include/actbl2.h index ae46ad8d8124..df6692f4054f 100644 --- a/source/include/actbl2.h +++ b/source/include/actbl2.h @@ -72,6 +72,7 @@ #define ACPI_SIG_HPET "HPET" /* High Precision Event Timer table */ #define ACPI_SIG_IBFT "IBFT" /* iSCSI Boot Firmware Table */ #define ACPI_SIG_IVRS "IVRS" /* I/O Virtualization Reporting Structure */ +#define ACPI_SIG_LPIT "LPIT" /* Low Power Idle Table */ #define ACPI_SIG_MCFG "MCFG" /* PCI Memory Mapped Configuration table */ #define ACPI_SIG_MCHI "MCHI" /* Management Controller Host Interface table */ #define ACPI_SIG_MTMR "MTMR" /* MID Timer table */ @@ -521,7 +522,7 @@ typedef struct acpi_dmar_pci_path /* - * DMAR Sub-tables, correspond to Type in ACPI_DMAR_HEADER + * DMAR Subtables, correspond to Type in ACPI_DMAR_HEADER */ /* 0: Hardware Unit Definition */ @@ -934,7 +935,83 @@ typedef struct acpi_ivrs_memory /******************************************************************************* * - * MCFG - PCI Memory Mapped Configuration table and sub-table + * LPIT - Low Power Idle Table + * + * Conforms to "ACPI Low Power Idle Table (LPIT) and _LPD Proposal (DRAFT)" + * + ******************************************************************************/ + +typedef struct acpi_table_lpit +{ + ACPI_TABLE_HEADER Header; /* Common ACPI table header */ + +} ACPI_TABLE_LPIT; + + +/* LPIT subtable header */ + +typedef struct acpi_lpit_header +{ + UINT32 Type; /* Subtable type */ + UINT32 Length; /* Subtable length */ + UINT16 UniqueId; + UINT16 Reserved; + UINT32 Flags; + +} ACPI_LPIT_HEADER; + +/* Values for subtable Type above */ + +enum AcpiLpitType +{ + ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00, + ACPI_LPIT_TYPE_SIMPLE_IO = 0x01 +}; + +/* Masks for Flags field above */ + +#define ACPI_LPIT_STATE_DISABLED (1) +#define ACPI_LPIT_NO_COUNTER (1<<1) + +/* + * LPIT subtables, correspond to Type in ACPI_LPIT_HEADER + */ + +/* 0x00: Native C-state instruction based LPI structure */ + +typedef struct acpi_lpit_native +{ + ACPI_LPIT_HEADER Header; + ACPI_GENERIC_ADDRESS EntryTrigger; + UINT32 Residency; + UINT32 Latency; + ACPI_GENERIC_ADDRESS ResidencyCounter; + UINT64 CounterFrequency; + +} ACPI_LPIT_NATIVE; + + +/* 0x01: Simple I/O based LPI structure */ + +typedef struct acpi_lpit_io +{ + ACPI_LPIT_HEADER Header; + ACPI_GENERIC_ADDRESS EntryTrigger; + UINT32 TriggerAction; + UINT64 TriggerValue; + UINT64 TriggerMask; + ACPI_GENERIC_ADDRESS MinimumIdleState; + UINT32 Residency; + UINT32 Latency; + ACPI_GENERIC_ADDRESS ResidencyCounter; + UINT64 CounterFrequency; + +} ACPI_LPIT_IO; + + +/******************************************************************************* + * + * MCFG - PCI Memory Mapped Configuration table and subtable * Version 1 * * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005 @@ -1058,7 +1135,7 @@ enum AcpiSlicType /* - * SLIC Sub-tables, correspond to Type in ACPI_SLIC_HEADER + * SLIC Subtables, correspond to Type in ACPI_SLIC_HEADER */ /* 0: Public Key Structure */ |