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Re: [PATCH v22 5/9] ACPI: Record the Generic Error Status Block address
From: |
gengdongjiu |
Subject: |
Re: [PATCH v22 5/9] ACPI: Record the Generic Error Status Block address |
Date: |
Sun, 2 Feb 2020 20:44:35 +0800 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 |
sorry for the late response due to Chinese new year
On 2020/1/28 22:41, Igor Mammedov wrote:
> On Wed, 8 Jan 2020 19:32:19 +0800
> Dongjiu Geng <address@hidden> wrote:
>
> in addition to comments of others:
>
>> 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.
>
> It's hard to parse this even kno
> Pls rephrase/make commit message more verbose,
> so it would describe why and what patch is supposed to do
Ok, thanks for the comments.
>
>
>> 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)
>
> not aligned properly
will modify it.
>
>> +{
>> + 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) {
>
> there is vms->acpi_dev which is GED, so you don't need to look it up
>
> suggest:
Thanks for the suggestion.
> if (ras) {
> assert(ged)
assert(vms->acpi_dev), right?
> do other fun stuff ...
> }
>
>> 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) {
>
> ditto
Ok.
>
>> + 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
>
> .
>
- Re: [PATCH v22 5/9] ACPI: Record the Generic Error Status Block address,
gengdongjiu <=