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authorBob Moore <robert.moore@intel.com>2022-10-27 20:58:36 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2022-10-28 18:28:23 +0300
commit51aad1a6723b3ed564d243031c4f284298b4329c (patch)
tree06d065b84144775d2c10a2ac40fa46f6a741fe99 /include/acpi/actbl1.h
parent3f062a516a6327d64c45af10fec04cb1475912f3 (diff)
downloadlinux-51aad1a6723b3ed564d243031c4f284298b4329c.tar.xz
ACPICA: Finish support for the CDAT table
ACPICA commit 8ac4e5116f59d6f9ba2fbeb9ce22ab58237a278f Finish support for the CDAT table, in both the data table compiler and the disassembler. Link: https://github.com/acpica/acpica/commit/8ac4e511 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/acpi/actbl1.h')
-rw-r--r--include/acpi/actbl1.h116
1 files changed, 115 insertions, 1 deletions
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index 2aba6f516e70..4175dce3967c 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -45,6 +45,7 @@
#define ACPI_SIG_HMAT "HMAT" /* Heterogeneous Memory Attributes Table */
#define ACPI_SIG_HPET "HPET" /* High Precision Event Timer table */
#define ACPI_SIG_IBFT "IBFT" /* iSCSI Boot Firmware Table */
+#define ACPI_SIG_MSCT "MSCT" /* Maximum System Characteristics Table */
#define ACPI_SIG_S3PT "S3PT" /* S3 Performance (sub)Table */
#define ACPI_SIG_PCCS "PCC" /* PCC Shared Memory Region */
@@ -305,10 +306,123 @@ struct acpi_table_boot {
/*******************************************************************************
*
+ * CDAT - Coherent Device Attribute Table
+ * Version 1
+ *
+ * Conforms to the "Coherent Device Attribute Table (CDAT) Specification
+ " (Revision 1.01, October 2020.)
+ *
+ ******************************************************************************/
+
+struct acpi_table_cdat {
+ u32 length; /* Length of table in bytes, including this header */
+ u8 revision; /* ACPI Specification minor version number */
+ u8 checksum; /* To make sum of entire table == 0 */
+ u8 reserved[6];
+ u32 sequence; /* Used to detect runtime CDAT table changes */
+};
+
+/* CDAT common subtable header */
+
+struct acpi_cdat_header {
+ u8 type;
+ u8 reserved;
+ u16 length;
+};
+
+/* Values for Type field above */
+
+enum acpi_cdat_type {
+ ACPI_CDAT_TYPE_DSMAS = 0,
+ ACPI_CDAT_TYPE_DSLBIS = 1,
+ ACPI_CDAT_TYPE_DSMSCIS = 2,
+ ACPI_CDAT_TYPE_DSIS = 3,
+ ACPI_CDAT_TYPE_DSEMTS = 4,
+ ACPI_CDAT_TYPE_SSLBIS = 5,
+ ACPI_CDAT_TYPE_RESERVED = 6 /* 6 through 0xFF are reserved */
+};
+
+/* Subtable 0: Device Scoped Memory Affinity Structure (DSMAS) */
+
+struct acpi_cadt_dsmas {
+ u8 dsmad_handle;
+ u8 flags;
+ u16 reserved;
+ u64 dpa_base_address;
+ u64 dpa_length;
+};
+
+/* Flags for subtable above */
+
+#define ACPI_CEDT_DSMAS_NON_VOLATILE (1 << 2)
+
+/* Subtable 1: Device scoped Latency and Bandwidth Information Structure (DSLBIS) */
+
+struct acpi_cdat_dslbis {
+ u8 handle;
+ u8 flags; /* If Handle matches a DSMAS handle, the definition of this field matches
+ * Flags field in HMAT System Locality Latency */
+ u8 data_type;
+ u8 reserved;
+ u64 entry_base_unit;
+ u16 entry[3];
+ u16 reserved2;
+};
+
+/* Subtable 2: Device Scoped Memory Side Cache Information Structure (DSMSCIS) */
+
+struct acpi_cdat_dsmscis {
+ u8 dsmas_handle;
+ u8 reserved[3];
+ u64 side_cache_size;
+ u32 cache_attributes;
+};
+
+/* Subtable 3: Device Scoped Initiator Structure (DSIS) */
+
+struct acpi_cdat_dsis {
+ u8 flags;
+ u8 handle;
+ u16 reserved;
+};
+
+/* Flags for above subtable */
+
+#define ACPI_CDAT_DSIS_MEM_ATTACHED (1 << 0)
+
+/* Subtable 4: Device Scoped EFI Memory Type Structure (DSEMTS) */
+
+struct acpi_cdat_dsemts {
+ u8 dsmas_handle;
+ u8 memory_type;
+ u16 reserved;
+ u64 dpa_offset;
+ u64 range_length;
+};
+
+/* Subtable 5: Switch Scoped Latency and Bandwidth Information Structure (SSLBIS) */
+
+struct acpi_cdat_sslbis {
+ u8 data_type;
+ u8 reserved[3];
+ u64 entry_base_unit;
+};
+
+/* Sub-subtable for above, sslbe_entries field */
+
+struct acpi_cdat_sslbe {
+ u16 portx_id;
+ u16 porty_id;
+ u16 latency_or_bandwidth;
+ u16 reserved;
+};
+
+/*******************************************************************************
+ *
* CEDT - CXL Early Discovery Table
* Version 1
*
- * Conforms to the "CXL Early Discovery Table" (CXL 2.0)
+ * Conforms to the "CXL Early Discovery Table" (CXL 2.0, October 2020)
*
******************************************************************************/