Record the GHEB address via fw_cfg file, when recording
a error to CPER, it will use this address to find out
Generic Error Data Entries and write the error.
Make the HEST GHES to a GED device.
Signed-off-by: Dongjiu Geng <address@hidden>
Signed-off-by: Xiang Zheng <address@hidden>
---
hw/acpi/generic_event_device.c | 15 ++++++++++++++-
hw/acpi/ghes.c | 16 ++++++++++++++++
hw/arm/virt-acpi-build.c | 13 ++++++++++++-
include/hw/acpi/generic_event_device.h | 2 ++
include/hw/acpi/ghes.h | 6 ++++++
5 files changed, 50 insertions(+), 2 deletions(-)
diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c
index 9cee90c..9bf37e4 100644
--- a/hw/acpi/generic_event_device.c
+++ b/hw/acpi/generic_event_device.c
@@ -234,12 +234,25 @@ static const VMStateDescription vmstate_ged_state = {
}
};
+static const VMStateDescription vmstate_ghes_state = {
+ .name = "acpi-ghes-state",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT64(ghes_addr_le, AcpiGhesState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
static const VMStateDescription vmstate_acpi_ged = {
.name = "acpi-ged",
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
- VMSTATE_STRUCT(ged_state, AcpiGedState, 1, vmstate_ged_state,
GEDState),
+ VMSTATE_STRUCT(ged_state, AcpiGedState, 1,
+ vmstate_ged_state, GEDState),
+ VMSTATE_STRUCT(ghes_state, AcpiGedState, 1,
+ vmstate_ghes_state, AcpiGhesState),
VMSTATE_END_OF_LIST(),
},
.subsections = (const VMStateDescription * []) {
diff --git a/hw/acpi/ghes.c b/hw/acpi/ghes.c
index 9d37798..68f4abf 100644
--- a/hw/acpi/ghes.c
+++ b/hw/acpi/ghes.c
@@ -23,6 +23,7 @@
#include "hw/acpi/acpi.h"
#include "hw/acpi/ghes.h"
#include "hw/acpi/aml-build.h"
+#include "hw/acpi/generic_event_device.h"
#include "hw/nvram/fw_cfg.h"
#include "sysemu/sysemu.h"
#include "qemu/error-report.h"
@@ -208,3 +209,18 @@ void acpi_build_hest(GArray *table_data, GArray
*hardware_errors,
build_header(linker, table_data, (void *)(table_data->data + hest_start),
"HEST", table_data->len - hest_start, 1, NULL, "");
}
+
+void acpi_ghes_add_fw_cfg(AcpiGhesState *ags, FWCfgState *s,
+ GArray *hardware_error)
+{
+ size_t size = 2 * sizeof(uint64_t) + ACPI_GHES_MAX_RAW_DATA_LENGTH;
+ size_t request_block_size = ACPI_GHES_ERROR_SOURCE_COUNT * size;
+
+ /* Create a read-only fw_cfg file for GHES */
+ fw_cfg_add_file(s, ACPI_GHES_ERRORS_FW_CFG_FILE, hardware_error->data,
+ request_block_size);
+
+ /* Create a read-write fw_cfg file for Address */
+ fw_cfg_add_file_callback(s, ACPI_GHES_DATA_ADDR_FW_CFG_FILE, NULL, NULL,
+ NULL, &(ags->ghes_addr_le), sizeof(ags->ghes_addr_le), false);
+}
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 837bbf9..c8aa94d 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -797,6 +797,7 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables
*tables)
unsigned dsdt, xsdt;
GArray *tables_blob = tables->table_data;
MachineState *ms = MACHINE(vms);
+ AcpiGedState *acpi_ged_state;
table_offsets = g_array_new(false, true /* clear */,
sizeof(uint32_t));
@@ -831,7 +832,9 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables
*tables)
acpi_add_table(table_offsets, tables_blob);
build_spcr(tables_blob, tables->linker, vms);
- if (vms->ras) {
+ acpi_ged_state = ACPI_GED(object_resolve_path_type("", TYPE_ACPI_GED,
+ NULL));
+ if (acpi_ged_state && vms->ras) {
acpi_add_table(table_offsets, tables_blob);
build_ghes_error_table(tables->hardware_errors, tables->linker);
acpi_build_hest(tables_blob, tables->hardware_errors,
@@ -925,6 +928,7 @@ void virt_acpi_setup(VirtMachineState *vms)
{
AcpiBuildTables tables;
AcpiBuildState *build_state;
+ AcpiGedState *acpi_ged_state;
if (!vms->fw_cfg) {
trace_virt_acpi_setup();
@@ -955,6 +959,13 @@ void virt_acpi_setup(VirtMachineState *vms)
fw_cfg_add_file(vms->fw_cfg, ACPI_BUILD_TPMLOG_FILE, tables.tcpalog->data,
acpi_data_len(tables.tcpalog));
+ acpi_ged_state = ACPI_GED(object_resolve_path_type("", TYPE_ACPI_GED,
+ NULL));
+ if (acpi_ged_state && vms->ras) {
+ acpi_ghes_add_fw_cfg(&acpi_ged_state->ghes_state,
+ vms->fw_cfg, tables.hardware_errors);
+ }
+
build_state->rsdp_mr = acpi_add_rom_blob(virt_acpi_build_update,
build_state, tables.rsdp,
ACPI_BUILD_RSDP_FILE, 0);
diff --git a/include/hw/acpi/generic_event_device.h
b/include/hw/acpi/generic_event_device.h
index d157eac..037d2b5 100644
--- a/include/hw/acpi/generic_event_device.h
+++ b/include/hw/acpi/generic_event_device.h
@@ -61,6 +61,7 @@
#include "hw/sysbus.h"
#include "hw/acpi/memory_hotplug.h"
+#include "hw/acpi/ghes.h"
#define ACPI_POWER_BUTTON_DEVICE "PWRB"
@@ -95,6 +96,7 @@ typedef struct AcpiGedState {
GEDState ged_state;
uint32_t ged_event_bitmap;
qemu_irq irq;
+ AcpiGhesState ghes_state;
} AcpiGedState;
void build_ged_aml(Aml *table, const char* name, HotplugHandler *hotplug_dev,
diff --git a/include/hw/acpi/ghes.h b/include/hw/acpi/ghes.h
index 09a7f86..a6761e6 100644
--- a/include/hw/acpi/ghes.h
+++ b/include/hw/acpi/ghes.h
@@ -60,7 +60,13 @@ enum {
ACPI_HEST_SRC_ID_RESERVED,
};
+typedef struct AcpiGhesState {
+ uint64_t ghes_addr_le;
+} AcpiGhesState;
+
void build_ghes_error_table(GArray *hardware_errors, BIOSLinker *linker);
void acpi_build_hest(GArray *table_data, GArray *hardware_error,
BIOSLinker *linker);
+void acpi_ghes_add_fw_cfg(AcpiGhesState *vms, FWCfgState *s,
+ GArray *hardware_errors);
#endif