linux-kernel - [PATCH RFC 3/5] acpi/generic_event_device: Update GHES migration to cover hest addr

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Message-ID: <d29cdf2bbb67c660142841c2d854db280c18e5e0.1727782588.git.mchehab+huawei@kernel.org>
Date: Tue,  1 Oct 2024 13:42:48 +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>,
	linux-kernel@...r.kernel.org,
	qemu-devel@...gnu.org
Subject: [PATCH RFC 3/5] acpi/generic_event_device: Update GHES migration to cover hest addr

The GHES migration logic at GED should now support HEST table
location too.

Increase migration version and change needed to check for both
ghes_addr_le and hest_addr_le.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 hw/acpi/generic_event_device.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c
index d4dbfb45e181..49ca1fb8e84a 100644
--- a/hw/acpi/generic_event_device.c
+++ b/hw/acpi/generic_event_device.c
@@ -369,6 +369,34 @@ static const VMStateDescription vmstate_ghes_state = {
     }
 };
 
+static const VMStateDescription vmstate_hest = {
+    .name = "acpi-ghes",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (const VMStateField[]) {
+        VMSTATE_UINT64(hest_addr_le, AcpiGhesState),
+        VMSTATE_END_OF_LIST()
+    },
+};
+
+static bool hest_needed(void *opaque)
+{
+    AcpiGedState *s = opaque;
+    return s->ghes_state.hest_addr_le;
+}
+
+static const VMStateDescription vmstate_hest_state = {
+    .name = "acpi-ged/ghes",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .needed = hest_needed,
+    .fields = (const VMStateField[]) {
+        VMSTATE_STRUCT(ghes_state, AcpiGedState, 1,
+                       vmstate_hest, AcpiGhesState),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
 static const VMStateDescription vmstate_acpi_ged = {
     .name = "acpi-ged",
     .version_id = 1,
@@ -380,6 +408,7 @@ static const VMStateDescription vmstate_acpi_ged = {
     .subsections = (const VMStateDescription * const []) {
         &vmstate_memhp_state,
         &vmstate_ghes_state,
+        &vmstate_hest_state,
         NULL
     }
 };
-- 
2.46.1