diff options
Diffstat (limited to 'source/include/actbl2.h')
| -rw-r--r-- | source/include/actbl2.h | 136 |
1 files changed, 133 insertions, 3 deletions
diff --git a/source/include/actbl2.h b/source/include/actbl2.h index 70c6a09a3c3f..44f7de321b58 100644 --- a/source/include/actbl2.h +++ b/source/include/actbl2.h @@ -65,6 +65,8 @@ */ #define ACPI_SIG_ASF "ASF!" /* Alert Standard Format table */ #define ACPI_SIG_BOOT "BOOT" /* Simple Boot Flag Table */ +#define ACPI_SIG_CSRT "CSRT" /* Core System Resource Table */ +#define ACPI_SIG_DBG2 "DBG2" /* Debug Port table type 2 */ #define ACPI_SIG_DBGP "DBGP" /* Debug Port table */ #define ACPI_SIG_DMAR "DMAR" /* DMA Remapping table */ #define ACPI_SIG_HPET "HPET" /* High Precision Event Timer table */ @@ -98,9 +100,15 @@ #pragma pack(1) /* - * Note about bitfields: The UINT8 type is used for bitfields in ACPI tables. - * This is the only type that is even remotely portable. Anything else is not - * portable, so do not use any other bitfield types. + * Note: C bitfields are not used for this reason: + * + * "Bitfields are great and easy to read, but unfortunately the C language + * does not specify the layout of bitfields in memory, which means they are + * essentially useless for dealing with packed data in on-disk formats or + * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me, + * this decision was a design error in C. Ritchie could have picked an order + * and stuck with it." Norman Ramsey. + * See http://stackoverflow.com/a/1053662/41661 */ @@ -264,6 +272,128 @@ typedef struct acpi_table_boot /******************************************************************************* * + * CSRT - Core System Resource Table + * Version 0 + * + * Conforms to the "Core System Resource Table (CSRT)", November 14, 2011 + * + ******************************************************************************/ + +typedef struct acpi_table_csrt +{ + ACPI_TABLE_HEADER Header; /* Common ACPI table header */ + +} ACPI_TABLE_CSRT; + +/* Resource Group subtable */ + +typedef struct acpi_csrt_group +{ + UINT32 Length; + UINT32 VendorId; + UINT32 SubvendorId; + UINT16 DeviceId; + UINT16 SubdeviceId; + UINT16 Revision; + UINT16 Reserved; + UINT32 InfoLength; + + /* Shared data (length = InfoLength) immediately follows */ + +} ACPI_CSRT_GROUP; + +/* Resource Descriptor subtable */ + +typedef struct acpi_csrt_descriptor +{ + UINT32 Length; + UINT16 Type; + UINT16 Subtype; + UINT32 Uid; + + /* Resource-specific information immediately follows */ + +} ACPI_CSRT_DESCRIPTOR; + + +/* Resource Types */ + +#define ACPI_CSRT_TYPE_INTERRUPT 0x0001 +#define ACPI_CSRT_TYPE_TIMER 0x0002 +#define ACPI_CSRT_TYPE_DMA 0x0003 + +/* Resource Subtypes */ + +#define ACPI_CSRT_XRUPT_LINE 0x0000 +#define ACPI_CSRT_XRUPT_CONTROLLER 0x0001 +#define ACPI_CSRT_TIMER 0x0000 +#define ACPI_CSRT_DMA_CHANNEL 0x0000 +#define ACPI_CSRT_DMA_CONTROLLER 0x0001 + + +/******************************************************************************* + * + * DBG2 - Debug Port Table 2 + * Version 0 (Both main table and subtables) + * + * Conforms to "Microsoft Debug Port Table 2 (DBG2)", May 22 2012. + * + ******************************************************************************/ + +typedef struct acpi_table_dbg2 +{ + ACPI_TABLE_HEADER Header; /* Common ACPI table header */ + UINT32 InfoOffset; + UINT32 InfoCount; + +} ACPI_TABLE_DBG2; + + +/* Debug Device Information Subtable */ + +typedef struct acpi_dbg2_device +{ + UINT8 Revision; + UINT16 Length; + UINT8 RegisterCount; /* Number of BaseAddress registers */ + UINT16 NamepathLength; + UINT16 NamepathOffset; + UINT16 OemDataLength; + UINT16 OemDataOffset; + UINT16 PortType; + UINT16 PortSubtype; + UINT16 Reserved; + UINT16 BaseAddressOffset; + UINT16 AddressSizeOffset; + /* + * Data that follows: + * BaseAddress (required) - Each in 12-byte Generic Address Structure format. + * AddressSize (required) - Array of UINT32 sizes corresponding to each BaseAddress register. + * Namepath (required) - Null terminated string. Single dot if not supported. + * OemData (optional) - Length is OemDataLength. + */ +} ACPI_DBG2_DEVICE; + +/* Types for PortType field above */ + +#define ACPI_DBG2_SERIAL_PORT 0x8000 +#define ACPI_DBG2_1394_PORT 0x8001 +#define ACPI_DBG2_USB_PORT 0x8002 +#define ACPI_DBG2_NET_PORT 0x8003 + +/* Subtypes for PortSubtype field above */ + +#define ACPI_DBG2_16550_COMPATIBLE 0x0000 +#define ACPI_DBG2_16550_SUBSET 0x0001 + +#define ACPI_DBG2_1394_STANDARD 0x0000 + +#define ACPI_DBG2_USB_XHCI 0x0000 +#define ACPI_DBG2_USB_EHCI 0x0001 + + +/******************************************************************************* + * * DBGP - Debug Port table * Version 1 * |