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Message-Id: <20221208232536.591347-1-stuart.w.hayes@gmail.com>
Date: Thu, 8 Dec 2022 17:25:36 -0600
From: Stuart Hayes <stuart.w.hayes@...il.com>
To: "Rafael J . Wysocki" <rafael@...nel.org>,
Len Brown <lenb@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
John Meneghini <jmeneghi@...hat.com>,
Charles Rose <charles_rose@...l.com>,
Stuart Hayes <stuart.w.hayes@...il.com>,
Doug Farley <Douglas_Farley@...l.com>,
Lenny Szubowicz <lszubowi@...hat.com>
Subject: [PATCH] acpi: add support for the NBFT
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 */
--
2.31.1
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