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-rw-r--r--include/acpi/actbl2.h26
1 files changed, 20 insertions, 6 deletions
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 8383446295a5..18cafe3ebddc 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -68,7 +68,7 @@
* IORT - IO Remapping Table
*
* Conforms to "IO Remapping Table System Software on ARM Platforms",
- * Document number: ARM DEN 0049D, March 2018
+ * Document number: ARM DEN 0049E.b, Feb 2021
*
******************************************************************************/
@@ -86,7 +86,7 @@ struct acpi_iort_node {
u8 type;
u16 length;
u8 revision;
- u32 reserved;
+ u32 identifier;
u32 mapping_count;
u32 mapping_offset;
char node_data[1];
@@ -100,7 +100,8 @@ enum acpi_iort_node_type {
ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
ACPI_IORT_NODE_SMMU = 0x03,
ACPI_IORT_NODE_SMMU_V3 = 0x04,
- ACPI_IORT_NODE_PMCG = 0x05
+ ACPI_IORT_NODE_PMCG = 0x05,
+ ACPI_IORT_NODE_RMR = 0x06,
};
struct acpi_iort_id_mapping {
@@ -167,10 +168,11 @@ struct acpi_iort_root_complex {
u8 reserved[3]; /* Reserved, must be zero */
};
-/* Values for ats_attribute field above */
+/* Masks for ats_attribute field above */
-#define ACPI_IORT_ATS_SUPPORTED 0x00000001 /* The root complex supports ATS */
-#define ACPI_IORT_ATS_UNSUPPORTED 0x00000000 /* The root complex doesn't support ATS */
+#define ACPI_IORT_ATS_SUPPORTED (1) /* The root complex ATS support */
+#define ACPI_IORT_PRI_SUPPORTED (1<<1) /* The root complex PRI support */
+#define ACPI_IORT_PASID_FWD_SUPPORTED (1<<2) /* The root complex PASID forward support */
struct acpi_iort_smmu {
u64 base_address; /* SMMU base address */
@@ -241,6 +243,18 @@ struct acpi_iort_pmcg {
u64 page1_base_address;
};
+struct acpi_iort_rmr {
+ u32 flags;
+ u32 rmr_count;
+ u32 rmr_offset;
+};
+
+struct acpi_iort_rmr_desc {
+ u64 base_address;
+ u64 length;
+ u32 reserved;
+};
+
/*******************************************************************************
*
* IVRS - I/O Virtualization Reporting Structure