linux-kernel - [PATCH 2/6] acpi/ghes: Support GPIO error source.

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Message-ID: <101bc837292c02badd2831ee1070065ff0794842.1720690278.git.mchehab+huawei@kernel.org>
Date: Thu, 11 Jul 2024 11:52:04 +0200
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: 
Cc: Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Ani Sinha <anisinha@...hat.com>,
	Dongjiu Geng <gengdongjiu1@...il.com>,
	Igor Mammedov <imammedo@...hat.com>,
	linux-edac@...nel.org,
	linux-kernel@...r.kernel.org,
	qemu-arm@...gnu.org,
	qemu-devel@...gnu.org,
	Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Subject: [PATCH 2/6] acpi/ghes: Support GPIO error source.

From: Jonathan Cameron <Jonathan.Cameron@...wei.com>

Add error notification to GHES v2 using the GPIO source.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 hw/acpi/ghes.c         | 8 ++++++--
 include/hw/acpi/ghes.h | 1 +
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/hw/acpi/ghes.c b/hw/acpi/ghes.c
index e9511d9b8f71..5b8bc6eeb437 100644
--- a/hw/acpi/ghes.c
+++ b/hw/acpi/ghes.c
@@ -34,8 +34,8 @@
 /* The max size in bytes for one error block */
 #define ACPI_GHES_MAX_RAW_DATA_LENGTH   (1 * KiB)
 
-/* Now only support ARMv8 SEA notification type error source */
-#define ACPI_GHES_ERROR_SOURCE_COUNT        1
+/* Support ARMv8 SEA notification type error source and GPIO interrupt. */
+#define ACPI_GHES_ERROR_SOURCE_COUNT        2
 
 /* Generic Hardware Error Source version 2 */
 #define ACPI_GHES_SOURCE_GENERIC_ERROR_V2   10
@@ -327,6 +327,9 @@ static void build_ghes_v2(GArray *table_data, int source_id, BIOSLinker *linker)
          */
         build_ghes_hw_error_notification(table_data, ACPI_GHES_NOTIFY_SEA);
         break;
+    case ACPI_HEST_SRC_ID_GPIO:
+        build_ghes_hw_error_notification(table_data, ACPI_GHES_NOTIFY_GPIO);
+        break;
     default:
         error_report("Not support this error source");
         abort();
@@ -370,6 +373,7 @@ void acpi_build_hest(GArray *table_data, BIOSLinker *linker,
     /* Error Source Count */
     build_append_int_noprefix(table_data, ACPI_GHES_ERROR_SOURCE_COUNT, 4);
     build_ghes_v2(table_data, ACPI_HEST_SRC_ID_SEA, linker);
+    build_ghes_v2(table_data, ACPI_HEST_SRC_ID_GPIO, linker);
 
     acpi_table_end(linker, &table);
 }
diff --git a/include/hw/acpi/ghes.h b/include/hw/acpi/ghes.h
index 674f6958e905..4f1ab1a73a06 100644
--- a/include/hw/acpi/ghes.h
+++ b/include/hw/acpi/ghes.h
@@ -58,6 +58,7 @@ enum AcpiGhesNotifyType {
 
 enum {
     ACPI_HEST_SRC_ID_SEA = 0,
+    ACPI_HEST_SRC_ID_GPIO = 1,
     /* future ids go here */
     ACPI_HEST_SRC_ID_RESERVED,
 };
-- 
2.45.2