@@ -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 */
@@ -2751,6 +2752,134 @@ enum acpi_rasf_status {
#define ACPI_RASF_ERROR (1<<2)
#define ACPI_RASF_STATUS (0x1F<<3)
+/*******************************************************************************
+ *
+ * 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