linux-kernel - [PATCH RFC 5/5] arm/virt-acpi-build: Properly handle virt-9.1

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Message-ID: <2b5b4e57eb5332c83789d4bd0f01214861cc7f0a.1727782588.git.mchehab+huawei@kernel.org>
Date: Tue,  1 Oct 2024 13:42:50 +0200
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Igor Mammedov <imammedo@...hat.com>
Cc: Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	Shiju Jose <shiju.jose@...wei.com>,
	Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Ani Sinha <anisinha@...hat.com>,
	Peter Maydell <peter.maydell@...aro.org>,
	Shannon Zhao <shannon.zhaosl@...il.com>,
	linux-kernel@...r.kernel.org,
	qemu-arm@...gnu.org,
	qemu-devel@...gnu.org
Subject: [PATCH RFC 5/5] arm/virt-acpi-build: Properly handle virt-9.1

A virt-9.1 machine can have only one source ID.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 hw/arm/virt-acpi-build.c | 30 ++++++++++++++++++++++++++----
 1 file changed, 26 insertions(+), 4 deletions(-)

diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 476c365851c4..8036eb5953d0 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -894,6 +894,10 @@ static const AcpiNotificationSourceId hest_ghes_notify[] = {
     {ACPI_HEST_SRC_ID_SYNC, ACPI_GHES_NOTIFY_SEA},
 };
 
+static const AcpiNotificationSourceId hest_ghes_notify_9_1[] = {
+    {ACPI_HEST_SRC_ID_QMP, ACPI_GHES_NOTIFY_GPIO},
+};
+
 static
 void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables)
 {
@@ -947,10 +951,28 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables)
     build_dbg2(tables_blob, tables->linker, vms);
 
     if (vms->ras) {
-        acpi_add_table(table_offsets, tables_blob);
-        acpi_build_hest(tables_blob, tables->hardware_errors, tables->linker,
-                        hest_ghes_notify, ARRAY_SIZE(hest_ghes_notify),
-                        vms->oem_id, vms->oem_table_id);
+        AcpiGhesState *ags;
+        AcpiGedState *acpi_ged_state;
+
+        acpi_ged_state = ACPI_GED(object_resolve_path_type("", TYPE_ACPI_GED,
+                                                       NULL));
+        if (acpi_ged_state) {
+            ags = &acpi_ged_state->ghes_state;
+
+            acpi_add_table(table_offsets, tables_blob);
+
+            if (!ags->hest_lookup) {
+                acpi_build_hest(tables_blob, tables->hardware_errors,
+                                tables->linker, hest_ghes_notify_9_1,
+                                ARRAY_SIZE(hest_ghes_notify_9_1),
+                                vms->oem_id, vms->oem_table_id);
+            } else {
+                acpi_build_hest(tables_blob, tables->hardware_errors,
+                                tables->linker, hest_ghes_notify,
+                                ARRAY_SIZE(hest_ghes_notify),
+                                vms->oem_id, vms->oem_table_id);
+            }
+        }
     }
 
     if (ms->numa_state->num_nodes > 0) {
-- 
2.46.1