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Message-ID: <841281bf-75eb-e12d-c531-7d50805fc8d1@redhat.com>
Date:   Wed, 14 Dec 2022 13:20:21 -0500
From:   John Meneghini <jmeneghi@...hat.com>
To:     Stuart Hayes <stuart.w.hayes@...il.com>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
        Charles Rose <charles_rose@...l.com>,
        Doug Farley <Douglas_Farley@...l.com>,
        Lenny Szubowicz <lszubowi@...hat.com>
Subject: Re: [PATCH] acpi: add support for the NBFT

Reviewed-by: John Meneghini <jmeneghi@...hat.com>

On 12/8/22 18:25, Stuart Hayes wrote:
> Add support for the NVMe Boot Firmware Table (NBFT) to facilitate
> booting from NVM Express namespaces which are accessed via
> NVMe over Fabrics (NVMe-oF).
> 
> Signed-off-by: Stuart Hayes <stuart.w.hayes@...il.com>
> Signed-off-by: Doug Farley <Douglas_Farley@...l.com>
> Signed-off-by: Lenny Szubowicz <lszubowi@...hat.com>
> ---
>   drivers/acpi/tables.c | 3 ++-
>   include/acpi/actbl1.h | 2 ++
>   2 files changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
> index 47ec11d4c68e..f390c5883b56 100644
> --- a/drivers/acpi/tables.c
> +++ b/drivers/acpi/tables.c
> @@ -545,7 +545,8 @@ static const char table_sigs[][ACPI_NAMESEG_SIZE] __initconst = {
>   	ACPI_SIG_WDDT, ACPI_SIG_WDRT, ACPI_SIG_DSDT, ACPI_SIG_FADT,
>   	ACPI_SIG_PSDT, ACPI_SIG_RSDT, ACPI_SIG_XSDT, ACPI_SIG_SSDT,
>   	ACPI_SIG_IORT, ACPI_SIG_NFIT, ACPI_SIG_HMAT, ACPI_SIG_PPTT,
> -	ACPI_SIG_NHLT, ACPI_SIG_AEST, ACPI_SIG_CEDT, ACPI_SIG_AGDI };
> +	ACPI_SIG_NHLT, ACPI_SIG_AEST, ACPI_SIG_CEDT, ACPI_SIG_AGDI,
> +	ACPI_SIG_NBFT };
>   
>   #define ACPI_HEADER_SIZE sizeof(struct acpi_table_header)
>   
> diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
> index 15c78678c5d3..6ec43410288a 100644
> --- a/include/acpi/actbl1.h
> +++ b/include/acpi/actbl1.h
> @@ -49,6 +49,8 @@
>   #define ACPI_SIG_S3PT           "S3PT"	/* S3 Performance (sub)Table */
>   #define ACPI_SIG_PCCS           "PCC"	/* PCC Shared Memory Region */
>   
> +#define ACPI_SIG_NBFT		"NBFT"	/* NVMe Boot Firmware Table */
> +
>   /* Reserved table signatures */
>   
>   #define ACPI_SIG_MATR           "MATR"	/* Memory Address Translation Table */

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