From: Stuart Hayes <stuart.w.hayes@gmail.com>
Date: Thu, 8 Dec 2022 17:25:36 -0600
Subject: ACPI: tables: Add support for NBFT
Patch-mainline: v6.3-rc1
Git-commit: 6ad90f71129219f9b87ce181189817bcbcde34b8
References: bsc#1195921

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@gmail.com>
Reviewed-by: John Meneghini <jmeneghi@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Lee, Chun-Yi <jlee@suse.com>
---
 drivers/acpi/tables.c |    2 +-
 include/acpi/actbl1.h |    2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -499,7 +499,7 @@ static const char table_sigs[][ACPI_NAME
 	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_NHLT, ACPI_SIG_NBFT };
 
 #define ACPI_HEADER_SIZE sizeof(struct acpi_table_header)
 
--- 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 */