ACPICA: actbl2.h: MRRM: Add typedef and other definitions

ACPICA commit 04fd53b2647b9f6f98cfca551383689cb3b59362

The MRRM table describes association between physical address ranges
and "region numbers".

Structure defined in the Intel Resource Director Technology (RDT)
Architecture specification downloadable from www.intel.com/sdm

Link: https://github.com/acpica/acpica/commit/04fd53b2
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/3372188.44csPzL39Z@rjwysocki.net

diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index a3008bae6f48066c1ca33888552c00c020752861..4fd5e8b2e19975b4c9da304973828782144d4b18 100644 (file)
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -37,6 +37,7 @@
 #define ACPI_SIG_MCHI           "MCHI" /* Management Controller Host Interface table */
 #define ACPI_SIG_MPAM           "MPAM" /* Memory System Resource Partitioning and Monitoring Table */
 #define ACPI_SIG_MPST           "MPST" /* Memory Power State Table */
+#define ACPI_SIG_MRRM           "MRRM" /* Memory Range and Region Mapping table */
 #define ACPI_SIG_MSDM           "MSDM" /* Microsoft Data Management Table */
 #define ACPI_SIG_NFIT           "NFIT" /* NVDIMM Firmware Interface Table */
 #define ACPI_SIG_NHLT           "NHLT" /* Non HD Audio Link Table */
@@ -1736,6 +1737,45 @@ struct acpi_msct_proximity {
        u64 memory_capacity;    /* In bytes */
 };
 
+/*******************************************************************************
+ *
+ * MRRM - Memory Range and Region Mapping (MRRM) table
+ *
+ ******************************************************************************/
+
+struct acpi_table_mrrm {
+       struct acpi_table_header header;        /* Common ACPI table header */
+       u8 max_mem_region;      /* Max Memory Regions supported */
+       u8 flags;               /* Region assignment type */
+       u8 reserved[26];
+       u8 memory_range_entry[];
+};
+
+/* Flags */
+#define ACPI_MRRM_FLAGS_REGION_ASSIGNMENT_OS    (1<<0)
+
+/*******************************************************************************
+ *
+ * Memory Range entry - Memory Range entry in MRRM table
+ *
+ ******************************************************************************/
+
+struct acpi_table_mrrm_mem_range_entry {
+       ACPI_SUBTABLE_HEADER_16 header;
+       u32 reserved0;          /* Reserved */
+       u64 addr_base;          /* Base addr of the mem range */
+       u64 addr_len;           /* Length of the mem range */
+       u16 region_id_flags;    /* Valid local or remote Region-ID */
+       u8 local_region_id;     /* Platform-assigned static local Region-ID */
+       u8 remote_region_id;    /* Platform-assigned static remote Region-ID */
+       u32 reserved1;          /* Reserved */
+       /* Region-ID Programming Registers[] */
+};
+
+/* Values for region_id_flags above */
+#define ACPI_MRRM_VALID_REGION_ID_FLAGS_LOCAL   (1<<0)
+#define ACPI_MRRM_VALID_REGION_ID_FLAGS_REMOTE  (1<<1)
+
 /*******************************************************************************
  *
  * MSDM - Microsoft Data Management table