Re: [PATCH v14 1/9] ACPI: add some GHES structures and macros definition

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On Thu, 28 Dec 2017 13:54:10 +0800
Dongjiu Geng <gengdongjiu@xxxxxxxxxx> wrote:

> Add Generic Error Status Block structures and some macros
> definitions, which is referred to the ACPI 4.0 or ACPI 6.1. The
> HEST table generation and CPER record will use them.
> 
> Signed-off-by: Dongjiu Geng <gengdongjiu@xxxxxxxxxx>
> ---
> Change since v13:
> 1. Clean the new added structures and macros definition
> 
> Change since v12:
> 1. Address Igor's comments to to get rid of most structures and use
> build_append_int_noprefix() API to compose whole error status block
> and APEI table in [1]
> 
> [1]: https://lkml.org/lkml/2017/8/29/187
> ---
>  include/hw/acpi/acpi-defs.h | 52 +++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 52 insertions(+)
> 
> diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h
> index 72be675..fb2110c 100644
> --- a/include/hw/acpi/acpi-defs.h
> +++ b/include/hw/acpi/acpi-defs.h
> @@ -298,6 +298,25 @@ typedef struct AcpiMultipleApicTable AcpiMultipleApicTable;
>  #define ACPI_APIC_RESERVED              16   /* 16 and greater are reserved */
>  
>  /*
> + * Hardware Error Notification
> + */
> +enum AcpiHestNotifyType {
> +    ACPI_HEST_NOTIFY_POLLED = 0,
> +    ACPI_HEST_NOTIFY_EXTERNAL = 1,
> +    ACPI_HEST_NOTIFY_LOCAL = 2,
> +    ACPI_HEST_NOTIFY_SCI = 3,
> +    ACPI_HEST_NOTIFY_NMI = 4,
> +    ACPI_HEST_NOTIFY_CMCI = 5,  /* ACPI 5.0 */
for stuff coming from spec comment should be something like this
/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefReturn */

i.e. concrete version, chapter/table
otherwise it could be hard to find definition in huge spec 

> +    ACPI_HEST_NOTIFY_MCE = 6,   /* ACPI 5.0 */
> +    ACPI_HEST_NOTIFY_GPIO = 7,  /* ACPI 6.0 */
> +    ACPI_HEST_NOTIFY_SEA = 8,   /* ACPI 6.1 */
> +    ACPI_HEST_NOTIFY_SEI = 9,   /* ACPI 6.1 */
> +    ACPI_HEST_NOTIFY_GSIV = 10, /* ACPI 6.1 */
> +    ACPI_HEST_NOTIFY_SDEI = 11, /* ACPI 6.2 */
> +    ACPI_HEST_NOTIFY_RESERVED = 12 /* 12 and greater are reserved */
> +};
> +
> +/*
>   * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE)
>   */
>  #define ACPI_SUB_HEADER_DEF   /* Common ACPI sub-structure header */\
> @@ -474,6 +493,39 @@ struct AcpiSystemResourceAffinityTable {
>  } QEMU_PACKED;
>  typedef struct AcpiSystemResourceAffinityTable AcpiSystemResourceAffinityTable;
>  
> +/*
> + * Generic Error Status Block
> + */
> +struct AcpiGenericErrorStatus {
> +    /* It is a bitmask composed of ACPI_GEBS_xxx macros */
> +    uint32_t block_status;
> +    uint32_t raw_data_offset;
> +    uint32_t raw_data_length;
> +    uint32_t data_length;
> +    uint32_t error_severity;
> +} QEMU_PACKED;
> +typedef struct AcpiGenericErrorStatus AcpiGenericErrorStatus;
> +
> +/*
> + * Masks for Block Status field above
> + */
> +#define ACPI_GEBS_UNCORRECTABLE          (1)
() are usually used with an expression and not with single value,
so drop that to be consistent with style of the header

> +
> +/*
> + * Value for Error Severity field above
> + */
> +enum AcpiGenericErrorSeverity {
> +    ACPI_CPER_SEV_RECOVERABLE,
> +    ACPI_CPER_SEV_FATAL,
> +    ACPI_CPER_SEV_CORRECTED,
> +    ACPI_CPER_SEV_NONE,
> +};
> +
> +/*
> + * Generic Hardware Error Source version 2
> + */
> +#define ACPI_HEST_SOURCE_GENERIC_ERROR_V2    (10)
ditto

> +
>  #define ACPI_SRAT_PROCESSOR_APIC     0
>  #define ACPI_SRAT_MEMORY             1
>  #define ACPI_SRAT_PROCESSOR_x2APIC   2




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