Re: [RFC PATCH v2 5/8] ACPI: APEI: EINJ: Add einjv2 extension struct

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On 5/21/24 4:10 PM, Zaid Alali wrote:
> Add einjv2 extension struct and EINJv2 error types to prepare
> the driver for EINJv2 support. ACPI specifications(1) enables
> EINJv2 by extending set_error_type_with_address strcut.
> 
> Signed-off-by: Zaid Alali <zaidal@xxxxxxxxxxxxxxxxxxxxxx>
> ---
>  drivers/acpi/apei/einj-core.c | 23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 
> diff --git a/drivers/acpi/apei/einj-core.c b/drivers/acpi/apei/einj-core.c
> index cc5ad1f45ea4..2021bea02996 100644
> --- a/drivers/acpi/apei/einj-core.c
> +++ b/drivers/acpi/apei/einj-core.c
> @@ -50,6 +50,28 @@
>   */
>  static int acpi5;
>  
> +struct syndrome_array {
> +	union {
> +		u32	acpi_id;
> +		u32	device_id;
> +		u32	pcie_sbdf;
> +		u8	fru_id[16];

I would rename fru_id to vendor_id since this isn't necessarily a FRU id. It also has the
added benefit of matching the naming of the vendor field in comp_synd as well.

> +	} comp_id;
> +	union {
> +		u32	proc_synd;
> +		u32	mem_synd;
> +		u32	pcie_synd;
> +		u8	vendor_synd[16];
> +	} comp_synd;
> +};
> +
> +struct einjv2_extension_struct {
> +	u32 length;
> +	u16 revision;
> +	u16 component_arr_count;
> +	struct syndrome_array component_arr[];
> +};
> +
>  struct set_error_type_with_address {
>  	u32	type;
>  	u32	vendor_extension;
> @@ -58,6 +80,7 @@ struct set_error_type_with_address {
>  	u64	memory_address;
>  	u64	memory_address_range;
>  	u32	pcie_sbdf;
> +	struct einjv2_extension_struct einjv2_struct;
>  };
>  enum {
>  	SETWA_FLAGS_APICID = 1,




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