Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2502fffb1958da66fa50a475081cb6827acdd9f3
Commit: 2502fffb1958da66fa50a475081cb6827acdd9f3
Parent: ad71860a17ba33eb0e673e9e2cf5ba0d8e3e3fdd
Author: Bob Moore <[EMAIL PROTECTED]>
AuthorDate: Fri Feb 2 19:48:19 2007 +0300
Committer: Len Brown <[EMAIL PROTECTED]>
CommitDate: Fri Feb 2 21:14:22 2007 -0500
ACPICA: Add support for DMAR table
Implement support for ACPI DMAR table (DMA
Remapping Table) in header files and disassembler.
Signed-off-by: Alexey Starikovskiy <[EMAIL PROTECTED]>
Signed-off-by: Len Brown <[EMAIL PROTECTED]>
---
include/acpi/acdisasm.h | 14 +++++++--
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 9a7d692..722583a 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 8ae30b7..515d82c 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
*
******************************************************************************/
-
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