1 files changed, 129 insertions, 0 deletions
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 9775384d61c6..64a3f9ae2641 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -47,6 +47,7 @@
 #define ACPI_SIG_PPTT           "PPTT"	/* Processor Properties Topology Table */
 #define ACPI_SIG_PRMT           "PRMT"	/* Platform Runtime Mechanism Table */
 #define ACPI_SIG_RASF           "RASF"	/* RAS Feature table */
+#define ACPI_SIG_RAS2           "RAS2"	/* RAS2 Feature table */
 #define ACPI_SIG_RGRT           "RGRT"	/* Regulatory Graphics Resource Table */
 #define ACPI_SIG_RHCT           "RHCT"	/* RISC-V Hart Capabilities Table */
 #define ACPI_SIG_SBST           "SBST"	/* Smart Battery Specification Table */
@@ -2753,6 +2754,134 @@ enum acpi_rasf_status {
 
 /*******************************************************************************
  *
+ * RAS2 - RAS2 Feature Table (ACPI 6.5)
+ *        Version 1
+ *
+ *
+ ******************************************************************************/
+
+struct acpi_table_ras2 {
+	struct acpi_table_header header;	/* Common ACPI table header */
+	u16 reserved;
+	u16 num_pcc_descs;
+};
+
+/* RAS2 Platform Communication Channel Descriptor */
+
+struct acpi_ras2_pcc_desc {
+	u8 channel_id;
+	u16 reserved;
+	u8 feature_type;
+	u32 instance;
+};
+
+/* RAS2 Platform Communication Channel Shared Memory Region */
+
+struct acpi_ras2_shared_memory {
+	u32 signature;
+	u16 command;
+	u16 status;
+	u16 version;
+	u8 features[16];
+	u8 set_capabilities[16];
+	u16 num_parameter_blocks;
+	u32 set_capabilities_status;
+};
+
+/* RAS2 Parameter Block Structure for PATROL_SCRUB */
+
+struct acpi_ras2_parameter_block {
+	u16 type;
+	u16 version;
+	u16 length;
+};
+
+/* RAS2 Parameter Block Structure for PATROL_SCRUB */
+
+struct acpi_ras2_patrol_scrub_parameter {
+	struct acpi_ras2_parameter_block header;
+	u16 patrol_scrub_command;
+	u64 requested_address_range[2];
+	u64 actual_address_range[2];
+	u32 flags;
+	u32 scrub_params_out;
+	u32 scrub_params_in;
+};
+
+/* Masks for Flags field above */
+
+#define ACPI_RAS2_SCRUBBER_RUNNING      1
+
+/* RAS2 Parameter Block Structure for LA2PA_TRANSLATION */
+
+struct acpi_ras2_la2pa_translation_parameter {
+	struct acpi_ras2_parameter_block header;
+	u16 addr_translation_command;
+	u64 sub_inst_id;
+	u64 logical_address;
+	u64 physical_address;
+	u32 status;
+};
+
+/* Channel Commands */
+
+enum acpi_ras2_commands {
+	ACPI_RAS2_EXECUTE_RAS2_COMMAND = 1
+};
+
+/* Platform RAS2 Features */
+
+enum acpi_ras2_features {
+	ACPI_RAS2_PATROL_SCRUB_SUPPORTED = 0,
+	ACPI_RAS2_LA2PA_TRANSLATION = 1
+};
+
+/* RAS2 Patrol Scrub Commands */
+
+enum acpi_ras2_patrol_scrub_commands {
+	ACPI_RAS2_GET_PATROL_PARAMETERS = 1,
+	ACPI_RAS2_START_PATROL_SCRUBBER = 2,
+	ACPI_RAS2_STOP_PATROL_SCRUBBER = 3
+};
+
+/* RAS2 LA2PA Translation Commands */
+
+enum acpi_ras2_la2_pa_translation_commands {
+	ACPI_RAS2_GET_LA2PA_TRANSLATION = 1,
+};
+
+/* RAS2 LA2PA Translation Status values */
+
+enum acpi_ras2_la2_pa_translation_status {
+	ACPI_RAS2_LA2PA_TRANSLATION_SUCCESS = 0,
+	ACPI_RAS2_LA2PA_TRANSLATION_FAIL = 1,
+};
+
+/* Channel Command flags */
+
+#define ACPI_RAS2_GENERATE_SCI          (1<<15)
+
+/* Status values */
+
+enum acpi_ras2_status {
+	ACPI_RAS2_SUCCESS = 0,
+	ACPI_RAS2_NOT_VALID = 1,
+	ACPI_RAS2_NOT_SUPPORTED = 2,
+	ACPI_RAS2_BUSY = 3,
+	ACPI_RAS2_FAILED = 4,
+	ACPI_RAS2_ABORTED = 5,
+	ACPI_RAS2_INVALID_DATA = 6
+};
+
+/* Status flags */
+
+#define ACPI_RAS2_COMMAND_COMPLETE      (1)
+#define ACPI_RAS2_SCI_DOORBELL          (1<<1)
+#define ACPI_RAS2_ERROR                 (1<<2)
+#define ACPI_RAS2_STATUS                (0x1F<<3)
+
+/*******************************************************************************
+ *
  * RGRT - Regulatory Graphics Resource Table
  *        Version 1
  *