On 2019/6/20 20:28, Igor Mammedov wrote: > On Tue, 14 May 2019 04:18:17 -0700 > Dongjiu Geng <gengdongjiu@xxxxxxxxxx> wrote: > >> It will help to add Generic Error Data Entry to ACPI tables >> without using packed C structures and avoid endianness >> issues as API doesn't need explicit conversion. >> >> Signed-off-by: Dongjiu Geng <gengdongjiu@xxxxxxxxxx> >> --- >> hw/acpi/aml-build.c | 32 ++++++++++++++++++++++++++++++++ >> include/hw/acpi/aml-build.h | 6 ++++++ >> 2 files changed, 38 insertions(+) >> >> diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c >> index fb53f21..102a288 100644 >> --- a/hw/acpi/aml-build.c >> +++ b/hw/acpi/aml-build.c >> @@ -296,6 +296,38 @@ void build_append_ghes_notify(GArray *table, const uint8_t type, >> build_append_int_noprefix(table, error_threshold_window, 4); >> } >> >> +/* Generic Error Data Entry >> + * ACPI 4.0: 17.3.2.6.1 Generic Error Data >> + */ >> +void build_append_ghes_generic_data(GArray *table, const char *section_type, > s/build_append_ghes_generic_data/build_append_ghes_generic_error_data/ > >> + uint32_t error_severity, uint16_t revision, >> + uint8_t validation_bits, uint8_t flags, >> + uint32_t error_data_length, uint8_t *fru_id, >> + uint8_t *fru_text, uint64_t time_stamp) > checkpatch probably will complain due to too long lines > you can use: > void build_append_ghe... > uint32_t error_severity, uint16_t revision, > ... > >> +{ >> + int i; >> + >> + for (i = 0; i < 16; i++) { >> + build_append_int_noprefix(table, section_type[i], 1); > ^^^ > use QemuUUID instead, see vmgenid_build_acpi ok. > >> + } >> + >> + build_append_int_noprefix(table, error_severity, 4); >> + build_append_int_noprefix(table, revision, 2); >> + build_append_int_noprefix(table, validation_bits, 1); >> + build_append_int_noprefix(table, flags, 1); >> + build_append_int_noprefix(table, error_data_length, 4); >> + >> + for (i = 0; i < 16; i++) { >> + build_append_int_noprefix(table, fru_id[i], 1); > same as section_type ok. > >> + } >> + >> + for (i = 0; i < 20; i++) { >> + build_append_int_noprefix(table, fru_text[i], 1); >> + } > instead of loop use g_array_insert_vals() ok > >> + >> + build_append_int_noprefix(table, time_stamp, 8); > that's not part of 'Table 17-13' > where does it come from? It comes from "ACPI 6.1: Table 18-343 Generic Error Data Entry", I will update the comments, thanks for the pointing out. > >> +} >> + >> /* >> * Build NAME(XXXX, 0x00000000) where 0x00000000 is encoded as a dword, >> * and return the offset to 0x00000000 for runtime patching. >> diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h >> index 90c8ef8..a71db2f 100644 >> --- a/include/hw/acpi/aml-build.h >> +++ b/include/hw/acpi/aml-build.h >> @@ -419,6 +419,12 @@ void build_append_ghes_notify(GArray *table, const uint8_t type, >> uint32_t error_threshold_value, >> uint32_t error_threshold_window); >> >> +void build_append_ghes_generic_data(GArray *table, const char *section_type, >> + uint32_t error_severity, uint16_t revision, >> + uint8_t validation_bits, uint8_t flags, >> + uint32_t error_data_length, uint8_t *fru_id, >> + uint8_t *fru_text, uint64_t time_stamp); >> + >> void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base, >> uint64_t len, int node, MemoryAffinityFlags flags); >> > > . >