[PATCH 19/31] acpi/ghes: add a notifier to notify when error data is ready

Mauro Carvalho Chehab
2024-12-06T17:21:28Z

Some error injection notify methods are async, like GPIO
notify. Add a notifier to be used when the error record is
ready to be sent to the guest OS.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
hw/acpi/ghes.c | 5 ++++-
include/hw/acpi/ghes.h | 3 +++
2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/hw/acpi/ghes.c b/hw/acpi/ghes.c
index c9295a3b0db7..7035b76fd222 100644
--- a/hw/acpi/ghes.c
+++ b/hw/acpi/ghes.c
@@ -510,6 +510,9 @@ static void get_ghes_source_offsets(uint16_t source_id, uint64_t hest_addr,
*read_ack_start_addr = le64_to_cpu(*read_ack_start_addr);
}

+NotifierList acpi_generic_error_notifiers =
+ NOTIFIER_LIST_INITIALIZER(error_device_notifiers);
+
void ghes_record_cper_errors(const void *cper, size_t len,
uint16_t source_id, Error **errp)
{
@@ -565,7 +568,7 @@ void ghes_record_cper_errors(const void *cper, size_t len,
/* Write the generic error data entry into guest memory */
cpu_physical_memory_write(cper_addr, cper, len);

- return;
+ notifier_list_notify(&acpi_generic_error_notifiers, NULL);
}

int acpi_ghes_memory_errors(uint16_t source_id, uint64_t physical_address)
diff --git a/include/hw/acpi/ghes.h b/include/hw/acpi/ghes.h
index 164ed8b0f9a3..2e8405edfe27 100644
--- a/include/hw/acpi/ghes.h
+++ b/include/hw/acpi/ghes.h
@@ -24,6 +24,9 @@

#include "hw/acpi/bios-linker-loader.h"
#include "qapi/error.h"
+#include "qemu/notify.h"
+
+extern NotifierList acpi_generic_error_notifiers;

/*
* Values for Hardware Error Notification Type field
--
2.47.1