From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Linux ACPI <linux-acpi@vger.kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Bob Moore <robert.moore@intel.com>,
Saket Dumbre <saket.dumbre@intel.com>
Subject: [PATCH v1 06/19] ACPICA: actbl2.h: MRRM: Add typedef and other definitions
Date: Fri, 25 Apr 2025 21:24:02 +0200 [thread overview]
Message-ID: <3372188.44csPzL39Z@rjwysocki.net> (raw)
In-Reply-To: <12671029.O9o76ZdvQC@rjwysocki.net>
From: Tony Luck <tony.luck@intel.com>
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>
---
include/acpi/actbl2.h | 40 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index a3008bae6f48..4fd5e8b2e199 100644
--- 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
--
2.43.0
next prev parent reply other threads:[~2025-04-25 19:34 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-25 19:19 [PATCH v1 00/19] ACPICA: ACPICA 20250404 Rafael J. Wysocki
2025-04-25 19:20 ` [PATCH v1 01/19] ACPICA: Drop stale comment about the header file content Rafael J. Wysocki
2025-04-25 19:21 ` [PATCH v1 02/19] ACPICA: Apply pack(1) to union aml_resource Rafael J. Wysocki
2025-04-30 18:48 ` Tamir Duberstein
2025-04-30 18:48 ` [PATCH 0/0] Cover letter only Tamir Duberstein
2025-04-30 18:52 ` Tamir Duberstein
2025-04-25 19:21 ` [PATCH v1 03/19] ACPICA: utilities: Fix overflow check in vsnprintf() Rafael J. Wysocki
2025-05-09 21:41 ` gldrk
2025-04-25 19:22 ` [PATCH v1 04/19] ACPICA: Interpret SIDP structures in DMAR Rafael J. Wysocki
2025-04-25 19:23 ` [PATCH v1 05/19] ACPICA: infrastructure: Add new header and ACPI_DMT_BUF26 types Rafael J. Wysocki
2025-04-25 19:24 ` Rafael J. Wysocki [this message]
2025-04-25 19:24 ` [PATCH v1 07/19] ACPICA: actbl2: Add definitions for RIMT Rafael J. Wysocki
2025-04-25 19:25 ` [PATCH v1 08/19] ACPICA: MRRM: Some cleanups Rafael J. Wysocki
2025-04-25 19:26 ` [PATCH v1 09/19] ACPICA: Utilities: Fix spelling mistake "Incremement" -> "Increment" Rafael J. Wysocki
2025-04-25 19:26 ` [PATCH v1 10/19] ACPICA: infrastructure: Add new DMT_BUF types and shorten a long name Rafael J. Wysocki
2025-04-25 19:27 ` [PATCH v1 11/19] ACPICA: actbl2.h: ERDT: Add typedef and other definitions Rafael J. Wysocki
2025-04-25 19:27 ` [PATCH v1 12/19] ACPICA: Introduce ACPI_NONSTRING Rafael J. Wysocki
2025-04-30 18:35 ` Kees Cook
2025-04-30 18:49 ` Rafael J. Wysocki
2025-04-25 19:28 ` [PATCH v1 13/19] ACPICA: Apply ACPI_NONSTRING Rafael J. Wysocki
2025-04-25 19:29 ` [PATCH v1 14/19] ACPICA: actbl2.h: ACPI 6.5: RAS2: Rename structure and field names of the RAS2 table Rafael J. Wysocki
2025-04-25 19:29 ` [PATCH v1 15/19] ACPICA: Adjust the position of code lines Rafael J. Wysocki
2025-04-25 19:30 ` [PATCH v1 16/19] ACPICA: Avoid sequence overread in call to strncmp() Rafael J. Wysocki
2025-04-25 19:31 ` [PATCH v1 17/19] ACPICA: Apply ACPI_NONSTRING in more places Rafael J. Wysocki
2025-04-25 19:32 ` [PATCH v1 18/19] ACPICA: Replace strncpy() with memcpy() Rafael J. Wysocki
2025-05-07 5:42 ` kernel test robot
2025-04-25 19:33 ` [PATCH v1 19/19] ACPICA: Logfile: Changes for version 20250404 Rafael J. Wysocki
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