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Message-ID: <4345936.LvFx2qVVIh@kreacher>
Date: Tue, 03 Aug 2021 20:07:53 +0200
From: "Rafael J. Wysocki" <rjw@...ysocki.net>
To: Linux ACPI <linux-acpi@...r.kernel.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
Bob Moore <robert.moore@...el.com>
Subject: [PATCH 1/7] ACPICA: iASL: Add support for the AEST table (data compiler)
From: Bob Moore <robert.moore@...el.com>
Includes support in the table compiler and the disassembler.
ACPICA commit e75074d84d1207339a048486c2d06ecb935d0092
Link: https://github.com/acpica/acpica/commit/e75074d8
Signed-off-by: Bob Moore <robert.moore@...el.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
include/acpi/actbl1.h | 1 +
include/acpi/actbl2.h | 170 ++++++++++++++++++++++++++++++++++++++++++
2 files changed, 171 insertions(+)
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index ef2872dea01c..a7ea179b2089 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -24,6 +24,7 @@
* file. Useful because they make it more difficult to inadvertently type in
* the wrong signature.
*/
+#define ACPI_SIG_AEST "AEST" /* Arm Error Source Table */
#define ACPI_SIG_ASF "ASF!" /* Alert Standard Format table */
#define ACPI_SIG_BERT "BERT" /* Boot Error Record Table */
#define ACPI_SIG_BGRT "BGRT" /* Boot Graphics Resource Table */
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 2069ac38a4e2..a47b32a5cbde 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -67,6 +67,176 @@
* See http://stackoverflow.com/a/1053662/41661
*/
+/*******************************************************************************
+ *
+ * AEST - Arm Error Source Table
+ *
+ * Conforms to: ACPI for the Armv8 RAS Extensions 1.1 Platform Design Document
+ * September 2020.
+ *
+ ******************************************************************************/
+
+struct acpi_table_aest {
+ struct acpi_table_header header;
+ void *node_array[];
+};
+
+/* Common Subtable header - one per Node Structure (Subtable) */
+
+struct acpi_aest_hdr {
+ u8 type;
+ u16 length;
+ u8 reserved;
+ u32 node_specific_offset;
+ u32 node_interface_offset;
+ u32 node_interrupt_offset;
+ u32 node_interrupt_count;
+ u64 timestamp_rate;
+ u64 reserved1;
+ u64 error_injection_rate;
+};
+
+/* Values for Type above */
+
+#define ACPI_AEST_PROCESSOR_ERROR_NODE 0
+#define ACPI_AEST_MEMORY_ERROR_NODE 1
+#define ACPI_AEST_SMMU_ERROR_NODE 2
+#define ACPI_AEST_VENDOR_ERROR_NODE 3
+#define ACPI_AEST_GIC_ERROR_NODE 4
+#define ACPI_AEST_NODE_TYPE_RESERVED 5 /* 5 and above are reserved */
+
+/*
+ * AEST subtables (Error nodes)
+ */
+
+/* 0: Processor Error */
+
+typedef struct acpi_aest_processor {
+ u32 processor_id;
+ u8 resource_type;
+ u8 reserved;
+ u8 flags;
+ u8 revision;
+ u64 processor_affinity;
+
+} acpi_aest_processor;
+
+/* Values for resource_type above, related structs below */
+
+#define ACPI_AEST_CACHE_RESOURCE 0
+#define ACPI_AEST_TLB_RESOURCE 1
+#define ACPI_AEST_GENERIC_RESOURCE 2
+#define ACPI_AEST_RESOURCE_RESERVED 3 /* 3 and above are reserved */
+
+/* 0R: Processor Cache Resource Substructure */
+
+typedef struct acpi_aest_processor_cache {
+ u32 cache_reference;
+ u32 reserved;
+
+} acpi_aest_processor_cache;
+
+/* Values for cache_type above */
+
+#define ACPI_AEST_CACHE_DATA 0
+#define ACPI_AEST_CACHE_INSTRUCTION 1
+#define ACPI_AEST_CACHE_UNIFIED 2
+#define ACPI_AEST_CACHE_RESERVED 3 /* 3 and above are reserved */
+
+/* 1R: Processor TLB Resource Substructure */
+
+typedef struct acpi_aest_processor_tlb {
+ u32 tlb_level;
+ u32 reserved;
+
+} acpi_aest_processor_tlb;
+
+/* 2R: Processor Generic Resource Substructure */
+
+typedef struct acpi_aest_processor_generic {
+ u8 *resource;
+
+} acpi_aest_processor_generic;
+
+/* 1: Memory Error */
+
+typedef struct acpi_aest_memory {
+ u32 srat_proximity_domain;
+
+} acpi_aest_memory;
+
+/* 2: Smmu Error */
+
+typedef struct acpi_aest_smmu {
+ u32 iort_node_reference;
+ u32 subcomponent_reference;
+
+} acpi_aest_smmu;
+
+/* 3: Vendor Defined */
+
+typedef struct acpi_aest_vendor {
+ u32 acpi_hid;
+ u32 acpi_uid;
+ u8 vendor_specific_data[16];
+
+} acpi_aest_vendor;
+
+/* 4: Gic Error */
+
+typedef struct acpi_aest_gic {
+ u32 interface_type;
+ u32 instance_id;
+
+} acpi_aest_gic;
+
+/* Values for interface_type above */
+
+#define ACPI_AEST_GIC_CPU 0
+#define ACPI_AEST_GIC_DISTRIBUTOR 1
+#define ACPI_AEST_GIC_REDISTRIBUTOR 2
+#define ACPI_AEST_GIC_ITS 3
+#define ACPI_AEST_GIC_RESERVED 4 /* 4 and above are reserved */
+
+/* Node Interface Structure */
+
+typedef struct acpi_aest_node_interface {
+ u8 type;
+ u8 reserved[3];
+ u32 flags;
+ u64 address;
+ u32 error_record_index;
+ u32 error_record_count;
+ u64 error_record_implemented;
+ u64 error_status_reporting;
+ u64 addressing_mode;
+
+} acpi_aest_node_interface;
+
+/* Values for Type field above */
+
+#define ACPI_AEST_NODE_SYSTEM_REGISTER 0
+#define ACPI_AEST_NODE_MEMORY_MAPPED 1
+#define ACPI_AEST_XFACE_RESERVED 2 /* 2 and above are reserved */
+
+/* Node Interrupt Structure */
+
+typedef struct acpi_aest_node_interrupt {
+ u8 type;
+ u8 reserved[2];
+ u8 flags;
+ u32 gsiv;
+ u8 iort_id;
+ u8 reserved1[3];
+
+} acpi_aest_node_interrupt;
+
+/* Values for Type field above */
+
+#define ACPI_AEST_NODE_FAULT_HANDLING 0
+#define ACPI_AEST_NODE_ERROR_RECOVERY 1
+#define ACPI_AEST_XRUPT_RESERVED 2 /* 2 and above are reserved */
+
/*******************************************************************************
*
* BDAT - BIOS Data ACPI Table
--
2.26.2
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