Commit 2502fffb authored by Bob Moore's avatar Bob Moore Committed by Len Brown
Browse files

ACPICA: Add support for DMAR table 



Implement support for ACPI DMAR table (DMA
Remapping Table) in header files and disassembler.

Signed-off-by: default avatarAlexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent ad71860a

include/acpi/acdisasm.h

+11 −3
Original line number Diff line number Diff line
@@ -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);

include/acpi/actbl1.h

+73 −0
Original line number Diff line number Diff line
@@ -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 */
@@ -226,6 +227,78 @@ struct acpi_table_dbgp { 
	struct acpi_generic_address debug_port;

};



/*******************************************************************************

 *

 * 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