diff options
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/acdisasm.h | 14 | ||||
| -rw-r--r-- | include/acpi/actbl1.h | 73 |
2 files changed, 84 insertions, 3 deletions
diff --git a/include/acpi/acdisasm.h b/include/acpi/acdisasm.h index 9a7d6921f53..722583af53b 100644 --- a/include/acpi/acdisasm.h +++ b/include/acpi/acdisasm.h @@ -97,9 +97,10 @@ typedef const struct acpi_dmtable_info { #define ACPI_DMT_CHKSUM 20 #define ACPI_DMT_SPACEID 21 #define ACPI_DMT_GAS 22 -#define ACPI_DMT_MADT 23 -#define ACPI_DMT_SRAT 24 -#define ACPI_DMT_EXIT 25 +#define ACPI_DMT_DMAR 23 +#define ACPI_DMT_MADT 24 +#define ACPI_DMT_SRAT 25 +#define ACPI_DMT_EXIT 26 typedef void (*ACPI_TABLE_HANDLER) (struct acpi_table_header * table); @@ -147,6 +148,11 @@ extern struct acpi_dmtable_info acpi_dm_table_info_boot[]; extern struct acpi_dmtable_info acpi_dm_table_info_cpep[]; extern struct acpi_dmtable_info acpi_dm_table_info_cpep0[]; extern struct acpi_dmtable_info acpi_dm_table_info_dbgp[]; +extern struct acpi_dmtable_info acpi_dm_table_info_dmar[]; +extern struct acpi_dmtable_info acpi_dm_table_info_dmar_hdr[]; +extern struct acpi_dmtable_info acpi_dm_table_info_dmar_scope[]; +extern struct acpi_dmtable_info acpi_dm_table_info_dmar0[]; +extern struct acpi_dmtable_info acpi_dm_table_info_dmar1[]; extern struct acpi_dmtable_info acpi_dm_table_info_ecdt[]; extern struct acpi_dmtable_info acpi_dm_table_info_facs[]; extern struct acpi_dmtable_info acpi_dm_table_info_fadt1[]; @@ -201,6 +207,8 @@ void acpi_dm_dump_asf(struct acpi_table_header *table); void acpi_dm_dump_cpep(struct acpi_table_header *table); +void acpi_dm_dump_dmar(struct acpi_table_header *table); + void acpi_dm_dump_fadt(struct acpi_table_header *table); void acpi_dm_dump_srat(struct acpi_table_header *table); diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h index 8ae30b7ed65..515d82c5ec6 100644 --- a/include/acpi/actbl1.h +++ b/include/acpi/actbl1.h @@ -61,6 +61,7 @@ #define ACPI_SIG_BOOT "BOOT" /* Simple Boot Flag Table */ #define ACPI_SIG_CPEP "CPEP" /* Corrected Platform Error Polling table */ #define ACPI_SIG_DBGP "DBGP" /* Debug Port table */ +#define ACPI_SIG_DMAR "DMAR" /* DMA Remapping table */ #define ACPI_SIG_ECDT "ECDT" /* Embedded Controller Boot Resources Table */ #define ACPI_SIG_HPET "HPET" /* High Precision Event Timer table */ #define ACPI_SIG_MADT "APIC" /* Multiple APIC Description Table */ @@ -228,6 +229,78 @@ struct acpi_table_dbgp { /******************************************************************************* * + * DMAR - DMA Remapping table + * + ******************************************************************************/ + +struct acpi_table_dmar { + struct acpi_table_header header; /* Common ACPI table header */ + u8 width; /* Host Address Width */ + u8 reserved[11]; +}; + +/* DMAR subtable header */ + +struct acpi_dmar_header { + u16 type; + u16 length; + u8 flags; + u8 reserved[3]; +}; + +/* Values for subtable type in struct acpi_dmar_header */ + +enum acpi_dmar_type { + ACPI_DMAR_TYPE_HARDWARE_UNIT = 0, + ACPI_DMAR_TYPE_RESERVED_MEMORY = 1, + ACPI_DMAR_TYPE_RESERVED = 2 /* 2 and greater are reserved */ +}; + +struct acpi_dmar_device_scope { + u8 entry_type; + u8 length; + u8 segment; + u8 bus; +}; + +/* Values for entry_type in struct acpi_dmar_device_scope */ + +enum acpi_dmar_scope_type { + ACPI_DMAR_SCOPE_TYPE_NOT_USED = 0, + ACPI_DMAR_SCOPE_TYPE_ENDPOINT = 1, + ACPI_DMAR_SCOPE_TYPE_BRIDGE = 2, + ACPI_DMAR_SCOPE_TYPE_RESERVED = 3 /* 3 and greater are reserved */ +}; + +/* + * DMAR Sub-tables, correspond to Type in struct acpi_dmar_header + */ + +/* 0: Hardware Unit Definition */ + +struct acpi_dmar_hardware_unit { + struct acpi_dmar_header header; + u64 address; /* Register Base Address */ +}; + +/* Flags */ + +#define ACPI_DMAR_INCLUDE_ALL (1) + +/* 1: Reserved Memory Defininition */ + +struct acpi_dmar_reserved_memory { + struct acpi_dmar_header header; + u64 address; /* 4_k aligned base address */ + u64 end_address; /* 4_k aligned limit address */ +}; + +/* Flags */ + +#define ACPI_DMAR_ALLOW_ALL (1) + +/******************************************************************************* + * * ECDT - Embedded Controller Boot Resources Table * ******************************************************************************/ |