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Re: [Qemu-devel] [PATCH v17 04/10] acpi: add build_append_ghes_generic_d
From: |
gengdongjiu |
Subject: |
Re: [Qemu-devel] [PATCH v17 04/10] acpi: add build_append_ghes_generic_data() helper for Generic Error Data Entry |
Date: |
Mon, 24 Jun 2019 20:37:26 +0800 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 |
On 2019/6/20 20:28, Igor Mammedov wrote:
> On Tue, 14 May 2019 04:18:17 -0700
> Dongjiu Geng <address@hidden> 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 <address@hidden>
>> ---
>> 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);
>>
>
> .
>