diff options
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/acpi_table.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/acpi/acpi_table.h b/include/acpi/acpi_table.h index f8140446a59..c826a797f5b 100644 --- a/include/acpi/acpi_table.h +++ b/include/acpi/acpi_table.h @@ -448,6 +448,29 @@ struct __packed acpi_dmar { #define ACPI_DBG2_UNKNOWN 0x00FF +/* DBG2: Microsoft Debug Port Table 2 header */ +struct __packed acpi_dbg2_header { + struct acpi_table_header header; + u32 devices_offset; + u32 devices_count; +}; + +/* DBG2: Microsoft Debug Port Table 2 device entry */ +struct __packed acpi_dbg2_device { + u8 revision; + u16 length; + u8 address_count; + u16 namespace_string_length; + u16 namespace_string_offset; + u16 oem_data_length; + u16 oem_data_offset; + u16 port_type; + u16 port_subtype; + u8 reserved[2]; + u16 base_address_offset; + u16 address_size_offset; +}; + /* SPCR (Serial Port Console Redirection table) */ struct __packed acpi_spcr { struct acpi_table_header header; @@ -523,6 +546,23 @@ int acpi_get_table_revision(enum acpi_tables table); int acpi_create_dmar(struct acpi_dmar *dmar, enum dmar_flags flags); /** + * acpi_create_dbg2() - Create a DBG2 table + * + * This table describes how to access the debug UART + * + * @dbg2: Place to put information + * @port_type: Serial port type (see ACPI_DBG2_...) + * @port_subtype: Serial port sub-type (see ACPI_DBG2_...) + * @address: ACPI address of port + * @address_size: Size of address space + * @device_path: Path of device (created using acpi_device_path()) + */ +void acpi_create_dbg2(struct acpi_dbg2_header *dbg2, + int port_type, int port_subtype, + struct acpi_gen_regaddr *address, uint32_t address_size, + const char *device_path); + +/** * acpi_fill_header() - Set up a new table header * * This sets all fields except length, revision, checksum and aslc_revision |