acpi/ghes: add a firmware file with HEST address

Store HEST table address at GPA, placing its the start of the table at
hest_addr_le variable.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-ID: <c29aa5e6ab9b2d93dd5328481630c3b03da86261.1758610789.git.mchehab+huawei@kernel.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/include/hw/acpi/ghes.h b/include/hw/acpi/ghes.h
index 411f592662..ea9baab764 100644
--- a/include/hw/acpi/ghes.h
+++ b/include/hw/acpi/ghes.h
@@ -70,9 +70,13 @@ enum {
  * When use_hest_addr is false, the GPA of the etc/hardware_errors firmware
  * is stored at hw_error_le. This is the default on QEMU 9.x.
  *
- * An GPA value equal to zero means that GHES is not present.
+ * When use_hest_addr is true, the GPA of the HEST table is stored at
+ * hest_addr_le. This is the default for QEMU 10.x and above.
+ *
+ * Whe both GPA values are equal to zero means that GHES is not present.
  */
 typedef struct AcpiGhesState {
+    uint64_t hest_addr_le;
     uint64_t hw_error_le;
     bool use_hest_addr;         /* Currently, always false */
 } AcpiGhesState;