linux-kernel - Re: [PATCH v2 6/9] ACPI: APEI: EINJ: Add einjv2 extension struct

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Message-ID: <20241224155113.00001d29@huawei.com>
Date: Tue, 24 Dec 2024 15:51:13 +0000
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: Zaid Alali <zaidal@...amperecomputing.com>
CC: <rafael@...nel.org>, <lenb@...nel.org>, <james.morse@....com>,
	<tony.luck@...el.com>, <bp@...en8.de>, <robert.moore@...el.com>,
	<dan.j.williams@...el.com>, <Benjamin.Cheatham@....com>,
	<Avadhut.Naik@....com>, <viro@...iv.linux.org.uk>, <arnd@...db.de>,
	<ira.weiny@...el.com>, <dave.jiang@...el.com>,
	<sthanneeru.opensrc@...ron.com>, <linux-acpi@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <acpica-devel@...ts.linux.dev>
Subject: Re: [PATCH v2 6/9] ACPI: APEI: EINJ: Add einjv2 extension struct

On Thu,  5 Dec 2024 13:18:51 -0800
Zaid Alali <zaidal@...amperecomputing.com> wrote:

> Add einjv2 extension struct and EINJv2 error types to prepare
> the driver for EINJv2 support. ACPI specifications(1) enables

Reference got lost? 

> EINJv2 by extending set_error_type_with_address struct.
> 
> Signed-off-by: Zaid Alali <zaidal@...amperecomputing.com>
> ---
>  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 2c57e25252ac..039d36472342 100644
> --- a/drivers/acpi/apei/einj-core.c
> +++ b/drivers/acpi/apei/einj-core.c

> +struct einjv2_extension_struct {
> +	u32 length;
> +	u16 revision;
> +	u16 component_arr_count;
> +	struct syndrome_array component_arr[];

__counted_by marking seems appropriate here.

> +};
> +
>  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,