Re: [PATCH] acpi: add support for the NBFT

From: John Meneghini
Date: Wed Dec 14 2022 - 13:21:25 EST


Reviewed-by: John Meneghini <jmeneghi@xxxxxxxxxx>

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@xxxxxxxxx>
Signed-off-by: Doug Farley <Douglas_Farley@xxxxxxxx>
Signed-off-by: Lenny Szubowicz <lszubowi@xxxxxxxxxx>
---
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 */