| Message ID | a1dacc20d1a2e6fc0031f957863750bd6132f423.1726293808.git.mchehab+huawei@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add ACPI CPER firmware first error injection on ARM emulation | expand |
On Sat, 14 Sep 2024 08:13:22 +0200 Mauro Carvalho Chehab <mchehab+huawei@kernel.org> wrote: > Store HEST table address at GPA, placing its content at > hest_addr_le variable. say here why (just short description and pointing to the next patch that would do that) > > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Reviewed-by: Igor Mammedov <imammedo@redhat.com> PS: I'd move this patch to later in the series, right before the patch where you are going to use hest_addr_le > > --- > > Change from v8: > - hest_addr_lr is now pointing to the error source size and data. > > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> stray Signed-off-by > --- > hw/acpi/ghes.c | 15 +++++++++++++++ > include/hw/acpi/ghes.h | 1 + > 2 files changed, 16 insertions(+) > > diff --git a/hw/acpi/ghes.c b/hw/acpi/ghes.c > index e9511d9b8f71..529c14e3289f 100644 > --- a/hw/acpi/ghes.c > +++ b/hw/acpi/ghes.c > @@ -30,6 +30,7 @@ > > #define ACPI_GHES_ERRORS_FW_CFG_FILE "etc/hardware_errors" > #define ACPI_GHES_DATA_ADDR_FW_CFG_FILE "etc/hardware_errors_addr" > +#define ACPI_HEST_ADDR_FW_CFG_FILE "etc/acpi_table_hest_addr" > > /* The max size in bytes for one error block */ > #define ACPI_GHES_MAX_RAW_DATA_LENGTH (1 * KiB) > @@ -367,11 +368,22 @@ void acpi_build_hest(GArray *table_data, BIOSLinker *linker, > > acpi_table_begin(&table, table_data); > > + int hest_offset = table_data->len; > + > /* Error Source Count */ > build_append_int_noprefix(table_data, ACPI_GHES_ERROR_SOURCE_COUNT, 4); > build_ghes_v2(table_data, ACPI_HEST_SRC_ID_SEA, linker); > > acpi_table_end(linker, &table); > + > + /* > + * tell firmware to write into GPA the address of HEST via fw_cfg, > + * once initialized. > + */ > + bios_linker_loader_write_pointer(linker, > + ACPI_HEST_ADDR_FW_CFG_FILE, 0, > + sizeof(uint64_t), > + ACPI_BUILD_TABLE_FILE, hest_offset); > } > > void acpi_ghes_add_fw_cfg(AcpiGhesState *ags, FWCfgState *s, > @@ -385,6 +397,9 @@ void acpi_ghes_add_fw_cfg(AcpiGhesState *ags, FWCfgState *s, > 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); > > + fw_cfg_add_file_callback(s, ACPI_HEST_ADDR_FW_CFG_FILE, NULL, NULL, > + NULL, &(ags->hest_addr_le), sizeof(ags->hest_addr_le), false); > + > ags->present = true; > } > > diff --git a/include/hw/acpi/ghes.h b/include/hw/acpi/ghes.h > index 674f6958e905..28b956acb19a 100644 > --- a/include/hw/acpi/ghes.h > +++ b/include/hw/acpi/ghes.h > @@ -63,6 +63,7 @@ enum { > }; > > typedef struct AcpiGhesState { > + uint64_t hest_addr_le; > uint64_t ghes_addr_le; > bool present; /* True if GHES is present at all on this board */ > } AcpiGhesState;
diff --git a/hw/acpi/ghes.c b/hw/acpi/ghes.c index e9511d9b8f71..529c14e3289f 100644 --- a/hw/acpi/ghes.c +++ b/hw/acpi/ghes.c @@ -30,6 +30,7 @@ #define ACPI_GHES_ERRORS_FW_CFG_FILE "etc/hardware_errors" #define ACPI_GHES_DATA_ADDR_FW_CFG_FILE "etc/hardware_errors_addr" +#define ACPI_HEST_ADDR_FW_CFG_FILE "etc/acpi_table_hest_addr" /* The max size in bytes for one error block */ #define ACPI_GHES_MAX_RAW_DATA_LENGTH (1 * KiB) @@ -367,11 +368,22 @@ void acpi_build_hest(GArray *table_data, BIOSLinker *linker, acpi_table_begin(&table, table_data); + int hest_offset = table_data->len; + /* Error Source Count */ build_append_int_noprefix(table_data, ACPI_GHES_ERROR_SOURCE_COUNT, 4); build_ghes_v2(table_data, ACPI_HEST_SRC_ID_SEA, linker); acpi_table_end(linker, &table); + + /* + * tell firmware to write into GPA the address of HEST via fw_cfg, + * once initialized. + */ + bios_linker_loader_write_pointer(linker, + ACPI_HEST_ADDR_FW_CFG_FILE, 0, + sizeof(uint64_t), + ACPI_BUILD_TABLE_FILE, hest_offset); } void acpi_ghes_add_fw_cfg(AcpiGhesState *ags, FWCfgState *s, @@ -385,6 +397,9 @@ void acpi_ghes_add_fw_cfg(AcpiGhesState *ags, FWCfgState *s, 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); + fw_cfg_add_file_callback(s, ACPI_HEST_ADDR_FW_CFG_FILE, NULL, NULL, + NULL, &(ags->hest_addr_le), sizeof(ags->hest_addr_le), false); + ags->present = true; } diff --git a/include/hw/acpi/ghes.h b/include/hw/acpi/ghes.h index 674f6958e905..28b956acb19a 100644 --- a/include/hw/acpi/ghes.h +++ b/include/hw/acpi/ghes.h @@ -63,6 +63,7 @@ enum { }; typedef struct AcpiGhesState { + uint64_t hest_addr_le; uint64_t ghes_addr_le; bool present; /* True if GHES is present at all on this board */ } AcpiGhesState;